X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=vms%2Fvms.c;h=e7687ac7aec387b593dc6c69732b02afcf5e5cfe;hb=9137345a080bfc646c2f9440cdb7bd90b8b37428;hp=8cefe47cc9adca4a48f0c2231e1ec855c430048f;hpb=01b8edb6b1ee0f0e7ac45b416ab8cd4d8c1de6ce;p=p5sagit%2Fp5-mst-13.2.git diff --git a/vms/vms.c b/vms/vms.c index 8cefe47..e7687ac 100644 --- a/vms/vms.c +++ b/vms/vms.c @@ -1,9 +1,12 @@ /* vms.c * * VMS-specific routines for perl5 + * Version: 5.7.0 * - * Last revised: 24-Jun-1996 by Charles Bailey bailey@genetics.upenn.edu - * Version: 5.3.0 + * August 2000 tweaks to vms_image_init, my_flush, my_fwrite, cando_by_name, + * and Perl_cando by Craig Berry + * 29-Aug-2000 Charles Lane's piping improvements rolled in + * 20-Aug-1999 revisions by Charles Bailey bailey@newman.upenn.edu */ #include @@ -11,31 +14,60 @@ #include #include #include +#include #include #include +#include #include #include #include #include #include #include +#include +#include #include #include #include +#include #include #include #include #include #include #include -#include +#include +#include #include #include #include +/* Older versions of ssdef.h don't have these */ +#ifndef SS$_INVFILFOROP +# define SS$_INVFILFOROP 3930 +#endif +#ifndef SS$_NOSUCHOBJECT +# define SS$_NOSUCHOBJECT 2696 +#endif + +/* We implement I/O here, so we will be mixing PerlIO and stdio calls. */ +#define PERLIO_NOT_STDIO 0 + +/* Don't replace system definitions of vfork, getenv, and stat, + * code below needs to get to the underlying CRTL routines. */ +#define DONT_MASK_RTL_CALLS #include "EXTERN.h" #include "perl.h" #include "XSUB.h" +/* Anticipating future expansion in lexical warnings . . . */ +#ifndef WARN_INTERNAL +# define WARN_INTERNAL WARN_MISC +#endif + +#if defined(__VMS_VER) && __VMS_VER >= 70000000 && __DECC_VER >= 50200000 +# define RTL_USES_UTC 1 +#endif + /* gcc's header files don't #define direct access macros * corresponding to VAXC's variant structs */ @@ -49,6 +81,9 @@ # define prv$v_sysprv prv$r_prvdef_bits0.prv$v_sysprv #endif +#if defined(NEED_AN_H_ERRNO) +dEXT int h_errno; +#endif struct itmlst_3 { unsigned short int buflen; @@ -57,128 +92,854 @@ struct itmlst_3 { unsigned short int *retlen; }; +#define do_fileify_dirspec(a,b,c) mp_do_fileify_dirspec(aTHX_ a,b,c) +#define do_pathify_dirspec(a,b,c) mp_do_pathify_dirspec(aTHX_ a,b,c) +#define do_tovmsspec(a,b,c) mp_do_tovmsspec(aTHX_ a,b,c) +#define do_tovmspath(a,b,c) mp_do_tovmspath(aTHX_ a,b,c) +#define do_rmsexpand(a,b,c,d,e) mp_do_rmsexpand(aTHX_ a,b,c,d,e) +#define do_tounixspec(a,b,c) mp_do_tounixspec(aTHX_ a,b,c) +#define do_tounixpath(a,b,c) mp_do_tounixpath(aTHX_ a,b,c) +#define expand_wild_cards(a,b,c,d) mp_expand_wild_cards(aTHX_ a,b,c,d) +#define getredirection(a,b) mp_getredirection(aTHX_ a,b) + +/* see system service docs for $TRNLNM -- NOT the same as LNM$_MAX_INDEX */ +#define PERL_LNM_MAX_ALLOWED_INDEX 127 + +/* OpenVMS User's Guide says at least 9 iterative translations will be performed, + * depending on the facility. SHOW LOGICAL does 10, so we'll imitate that for + * the Perl facility. + */ +#define PERL_LNM_MAX_ITER 10 + +#define MAX_DCL_SYMBOL 255 /* well, what *we* can set, at least*/ +#define MAX_DCL_LINE_LENGTH (4*MAX_DCL_SYMBOL-4) + static char *__mystrtolower(char *str) { if (str) for (; *str; ++str) *str= tolower(*str); return str; } +static struct dsc$descriptor_s fildevdsc = + { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" }; +static struct dsc$descriptor_s crtlenvdsc = + { 8, DSC$K_DTYPE_T, DSC$K_CLASS_S, "CRTL_ENV" }; +static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL }; +static struct dsc$descriptor_s *defenv[] = { &fildevdsc, &crtlenvdsc, NULL }; +static struct dsc$descriptor_s **env_tables = defenv; +static bool will_taint = FALSE; /* tainting active, but no PL_curinterp yet */ + +/* True if we shouldn't treat barewords as logicals during directory */ +/* munching */ +static int no_translate_barewords; + +#ifndef RTL_USES_UTC +static int tz_updated = 1; +#endif + +/* my_maxidx + * Routine to retrieve the maximum equivalence index for an input + * logical name. Some calls to this routine have no knowledge if + * the variable is a logical or not. So on error we return a max + * index of zero. + */ +/*{{{int my_maxidx(char *lnm) */ +static int +my_maxidx(char *lnm) +{ + int status; + int midx; + int attr = LNM$M_CASE_BLIND; + struct dsc$descriptor lnmdsc; + struct itmlst_3 itlst[2] = {{sizeof(midx), LNM$_MAX_INDEX, &midx, 0}, + {0, 0, 0, 0}}; + + lnmdsc.dsc$w_length = strlen(lnm); + lnmdsc.dsc$b_dtype = DSC$K_DTYPE_T; + lnmdsc.dsc$b_class = DSC$K_CLASS_S; + lnmdsc.dsc$a_pointer = lnm; + + status = sys$trnlnm(&attr, &fildevdsc, &lnmdsc, 0, itlst); + if ((status & 1) == 0) + midx = 0; + + return (midx); +} +/*}}}*/ + +/*{{{int vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, struct dsc$descriptor_s **tabvec, unsigned long int flags) */ int -my_trnlnm(char *lnm, char *eqv, unsigned long int idx) +Perl_vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, + struct dsc$descriptor_s **tabvec, unsigned long int flags) { - static char __my_trnlnm_eqv[LNM$C_NAMLENGTH+1]; - unsigned short int eqvlen; + char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2; + unsigned short int eqvlen, curtab, ivlnm = 0, ivsym = 0, ivenv = 0, secure; unsigned long int retsts, attr = LNM$M_CASE_BLIND; - $DESCRIPTOR(tabdsc,"LNM$FILE_DEV"); - struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}; - struct itmlst_3 lnmlst[3] = {{sizeof idx, LNM$_INDEX, &idx, 0}, - {LNM$C_NAMLENGTH, LNM$_STRING, 0, &eqvlen}, + int midx; + unsigned char acmode; + struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}, + tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}; + struct itmlst_3 lnmlst[3] = {{sizeof idx, LNM$_INDEX, &idx, 0}, + {LNM$C_NAMLENGTH, LNM$_STRING, eqv, &eqvlen}, {0, 0, 0, 0}}; + $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM"); +#if defined(PERL_IMPLICIT_CONTEXT) + pTHX = NULL; + if (PL_curinterp) { + aTHX = PERL_GET_INTERP; + } else { + aTHX = NULL; + } +#endif - if (!eqv) eqv = __my_trnlnm_eqv; - lnmlst[1].bufadr = (void *)eqv; - lnmdsc.dsc$a_pointer = lnm; - lnmdsc.dsc$w_length = strlen(lnm); - retsts = sys$trnlnm(&attr,&tabdsc,&lnmdsc,0,lnmlst); - if (retsts == SS$_NOLOGNAM || retsts == SS$_IVLOGNAM) { - set_vaxc_errno(retsts); set_errno(EINVAL); return 0; + if (!lnm || !eqv || ((idx != 0) && ((idx-1) > PERL_LNM_MAX_ALLOWED_INDEX))) { + set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return 0; + } + for (cp1 = (char *)lnm, cp2 = uplnm; *cp1; cp1++, cp2++) { + *cp2 = _toupper(*cp1); + if (cp1 - lnm > LNM$C_NAMLENGTH) { + set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM); + return 0; + } + } + lnmdsc.dsc$w_length = cp1 - lnm; + lnmdsc.dsc$a_pointer = uplnm; + uplnm[lnmdsc.dsc$w_length] = '\0'; + secure = flags & PERL__TRNENV_SECURE; + acmode = secure ? PSL$C_EXEC : PSL$C_USER; + if (!tabvec || !*tabvec) tabvec = env_tables; + + for (curtab = 0; tabvec[curtab]; curtab++) { + if (!str$case_blind_compare(tabvec[curtab],&crtlenv)) { + if (!ivenv && !secure) { + char *eq, *end; + int i; + if (!environ) { + ivenv = 1; + Perl_warn(aTHX_ "Can't read CRTL environ\n"); + continue; + } + retsts = SS$_NOLOGNAM; + for (i = 0; environ[i]; i++) { + if ((eq = strchr(environ[i],'=')) && + lnmdsc.dsc$w_length == (eq - environ[i]) && + !strncmp(environ[i],uplnm,eq - environ[i])) { + eq++; + for (eqvlen = 0; eq[eqvlen]; eqvlen++) eqv[eqvlen] = eq[eqvlen]; + if (!eqvlen) continue; + retsts = SS$_NORMAL; + break; + } + } + if (retsts != SS$_NOLOGNAM) break; + } + } + else if ((tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer) && + !str$case_blind_compare(&tmpdsc,&clisym)) { + if (!ivsym && !secure) { + unsigned short int deflen = LNM$C_NAMLENGTH; + struct dsc$descriptor_d eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_D,0}; + /* dynamic dsc to accomodate possible long value */ + _ckvmssts(lib$sget1_dd(&deflen,&eqvdsc)); + retsts = lib$get_symbol(&lnmdsc,&eqvdsc,&eqvlen,0); + if (retsts & 1) { + if (eqvlen > 1024) { + set_errno(EVMSERR); set_vaxc_errno(LIB$_STRTRU); + eqvlen = 1024; + /* Special hack--we might be called before the interpreter's */ + /* fully initialized, in which case either thr or PL_curcop */ + /* might be bogus. We have to check, since ckWARN needs them */ + /* both to be valid if running threaded */ + if (ckWARN(WARN_MISC)) { + Perl_warner(aTHX_ packWARN(WARN_MISC),"Value of CLI symbol \"%s\" too long",lnm); + } + } + strncpy(eqv,eqvdsc.dsc$a_pointer,eqvlen); + } + _ckvmssts(lib$sfree1_dd(&eqvdsc)); + if (retsts == LIB$_INVSYMNAM) { ivsym = 1; continue; } + if (retsts == LIB$_NOSUCHSYM) continue; + break; + } + } + else if (!ivlnm) { + if ( (idx == 0) && (flags & PERL__TRNENV_JOIN_SEARCHLIST) ) { + midx = my_maxidx((char *) lnm); + for (idx = 0, cp1 = eqv; idx <= midx; idx++) { + lnmlst[1].bufadr = cp1; + eqvlen = 0; + retsts = sys$trnlnm(&attr,tabvec[curtab],&lnmdsc,&acmode,lnmlst); + if (retsts == SS$_IVLOGNAM) { ivlnm = 1; break; } + if (retsts == SS$_NOLOGNAM) break; + /* PPFs have a prefix */ + if ( +#if INTSIZE == 4 + *((int *)uplnm) == *((int *)"SYS$") && +#endif + eqvlen >= 4 && eqv[0] == 0x1b && eqv[1] == 0x00 && + ( (uplnm[4] == 'O' && !strcmp(uplnm,"SYS$OUTPUT")) || + (uplnm[4] == 'I' && !strcmp(uplnm,"SYS$INPUT")) || + (uplnm[4] == 'E' && !strcmp(uplnm,"SYS$ERROR")) || + (uplnm[4] == 'C' && !strcmp(uplnm,"SYS$COMMAND")) ) ) { + memcpy(eqv,eqv+4,eqvlen-4); + eqvlen -= 4; + } + cp1 += eqvlen; + *cp1 = '\0'; + } + if ((retsts == SS$_IVLOGNAM) || + (retsts == SS$_NOLOGNAM)) { continue; } + } + else { + retsts = sys$trnlnm(&attr,tabvec[curtab],&lnmdsc,&acmode,lnmlst); + if (retsts == SS$_IVLOGNAM) { ivlnm = 1; continue; } + if (retsts == SS$_NOLOGNAM) continue; + eqv[eqvlen] = '\0'; + } + eqvlen = strlen(eqv); + break; + } } - else if (retsts & 1) { - eqv[eqvlen] = '\0'; - return 1; + if (retsts & 1) { eqv[eqvlen] = '\0'; return eqvlen; } + else if (retsts == LIB$_NOSUCHSYM || retsts == LIB$_INVSYMNAM || + retsts == SS$_IVLOGNAM || retsts == SS$_IVLOGTAB || + retsts == SS$_NOLOGNAM) { + set_errno(EINVAL); set_vaxc_errno(retsts); } - _ckvmssts(retsts); /* Must be an error */ - return 0; /* Not reached, assuming _ckvmssts() bails out */ + else _ckvmssts(retsts); + return 0; +} /* end of vmstrnenv */ +/*}}}*/ -} /* end of my_trnlnm */ +/*{{{ int my_trnlnm(const char *lnm, char *eqv, unsigned long int idx)*/ +/* Define as a function so we can access statics. */ +int Perl_my_trnlnm(pTHX_ const char *lnm, char *eqv, unsigned long int idx) +{ + return vmstrnenv(lnm,eqv,idx,fildev, +#ifdef SECURE_INTERNAL_GETENV + (PL_curinterp ? PL_tainting : will_taint) ? PERL__TRNENV_SECURE : 0 +#else + 0 +#endif + ); +} +/*}}}*/ /* my_getenv - * Translate a logical name. Substitute for CRTL getenv() to avoid - * memory leak, and to keep my_getenv() and my_setenv() in the same - * domain (mostly - my_getenv() need not return a translation from - * the process logical name table) - * - * Note: Uses static buffer -- not thread-safe! + * Note: Uses Perl temp to store result so char * can be returned to + * caller; this pointer will be invalidated at next Perl statement + * transition. + * We define this as a function rather than a macro in terms of my_getenv_len() + * so that it'll work when PL_curinterp is undefined (and we therefore can't + * allocate SVs). */ -/*{{{ char *my_getenv(char *lnm)*/ +/*{{{ char *my_getenv(const char *lnm, bool sys)*/ char * -my_getenv(char *lnm) +Perl_my_getenv(pTHX_ const char *lnm, bool sys) { - static char __my_getenv_eqv[LNM$C_NAMLENGTH+1]; - char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2; + static char *__my_getenv_eqv = NULL; + char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2, *eqv; unsigned long int idx = 0; + int trnsuccess, success, secure, saverr, savvmserr; + int midx, flags; + SV *tmpsv; + + midx = my_maxidx((char *) lnm) + 1; + + if (PL_curinterp) { /* Perl interpreter running -- may be threaded */ + /* Set up a temporary buffer for the return value; Perl will + * clean it up at the next statement transition */ + tmpsv = sv_2mortal(newSVpv("",(LNM$C_NAMLENGTH*midx)+1)); + if (!tmpsv) return NULL; + eqv = SvPVX(tmpsv); + } + else { + /* Assume no interpreter ==> single thread */ + if (__my_getenv_eqv != NULL) { + Renew(__my_getenv_eqv,LNM$C_NAMLENGTH*midx+1,char); + } + else { + New(1380,__my_getenv_eqv,LNM$C_NAMLENGTH*midx+1,char); + } + eqv = __my_getenv_eqv; + } - for (cp1 = lnm, cp2= uplnm; *cp1; cp1++, cp2++) *cp2 = _toupper(*cp1); - *cp2 = '\0'; - if (cp1 - lnm == 7 && !strncmp(uplnm,"DEFAULT",7)) { - getcwd(__my_getenv_eqv,sizeof __my_getenv_eqv); - return __my_getenv_eqv; + for (cp1 = (char *) lnm, cp2 = eqv; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1); + if (cp1 - lnm == 7 && !strncmp(eqv,"DEFAULT",7)) { + getcwd(eqv,LNM$C_NAMLENGTH); + return eqv; } else { - if ((cp2 = strchr(uplnm,';')) != NULL) { - *cp2 = '\0'; + /* Impose security constraints only if tainting */ + if (sys) { + /* Impose security constraints only if tainting */ + secure = PL_curinterp ? PL_tainting : will_taint; + saverr = errno; savvmserr = vaxc$errno; + } + else { + secure = 0; + } + + flags = +#ifdef SECURE_INTERNAL_GETENV + secure ? PERL__TRNENV_SECURE : 0 +#else + 0 +#endif + ; + + /* For the getenv interface we combine all the equivalence names + * of a search list logical into one value to acquire a maximum + * value length of 255*128 (assuming %ENV is using logicals). + */ + flags |= PERL__TRNENV_JOIN_SEARCHLIST; + + /* If the name contains a semicolon-delimited index, parse it + * off and make sure we only retrieve the equivalence name for + * that index. */ + if ((cp2 = strchr(lnm,';')) != NULL) { + strcpy(uplnm,lnm); + uplnm[cp2-lnm] = '\0'; idx = strtoul(cp2+1,NULL,0); + lnm = uplnm; + flags &= ~PERL__TRNENV_JOIN_SEARCHLIST; } - if (my_trnlnm(uplnm,__my_getenv_eqv,idx)) { - return __my_getenv_eqv; + + success = vmstrnenv(lnm,eqv,idx,secure ? fildev : NULL,flags); + + /* Discard NOLOGNAM on internal calls since we're often looking + * for an optional name, and this "error" often shows up as the + * (bogus) exit status for a die() call later on. */ + if (sys && vaxc$errno == SS$_NOLOGNAM) SETERRNO(saverr,savvmserr); + return success ? eqv : Nullch; + } + +} /* end of my_getenv() */ +/*}}}*/ + + +/*{{{ SV *my_getenv_len(const char *lnm, bool sys)*/ +char * +Perl_my_getenv_len(pTHX_ const char *lnm, unsigned long *len, bool sys) +{ + char *buf, *cp1, *cp2; + unsigned long idx = 0; + int midx, flags; + static char *__my_getenv_len_eqv = NULL; + int secure, saverr, savvmserr; + SV *tmpsv; + + midx = my_maxidx((char *) lnm) + 1; + + if (PL_curinterp) { /* Perl interpreter running -- may be threaded */ + /* Set up a temporary buffer for the return value; Perl will + * clean it up at the next statement transition */ + tmpsv = sv_2mortal(newSVpv("",(LNM$C_NAMLENGTH*midx)+1)); + if (!tmpsv) return NULL; + buf = SvPVX(tmpsv); + } + else { + /* Assume no interpreter ==> single thread */ + if (__my_getenv_len_eqv != NULL) { + Renew(__my_getenv_len_eqv,LNM$C_NAMLENGTH*midx+1,char); } else { - unsigned long int retsts; - struct dsc$descriptor_s symdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}, - valdsc = {sizeof __my_getenv_eqv,DSC$K_DTYPE_T, - DSC$K_CLASS_S, __my_getenv_eqv}; - symdsc.dsc$w_length = cp1 - lnm; - symdsc.dsc$a_pointer = uplnm; - retsts = lib$get_symbol(&symdsc,&valdsc,&(valdsc.dsc$w_length),0); - if (retsts == LIB$_INVSYMNAM) return Nullch; - if (retsts != LIB$_NOSUCHSYM) { - /* We want to return only logical names or CRTL Unix emulations */ - if (retsts & 1) return Nullch; - _ckvmssts(retsts); - } - /* Try for CRTL emulation of a Unix/POSIX name */ - else return getenv(lnm); + New(1381,__my_getenv_len_eqv,LNM$C_NAMLENGTH*midx+1,char); } + buf = __my_getenv_len_eqv; } - return Nullch; -} /* end of my_getenv() */ + for (cp1 = (char *)lnm, cp2 = buf; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1); + if (cp1 - lnm == 7 && !strncmp(buf,"DEFAULT",7)) { + getcwd(buf,LNM$C_NAMLENGTH); + *len = strlen(buf); + return buf; + } + else { + if (sys) { + /* Impose security constraints only if tainting */ + secure = PL_curinterp ? PL_tainting : will_taint; + saverr = errno; savvmserr = vaxc$errno; + } + else { + secure = 0; + } + + flags = +#ifdef SECURE_INTERNAL_GETENV + secure ? PERL__TRNENV_SECURE : 0 +#else + 0 +#endif + ; + + flags |= PERL__TRNENV_JOIN_SEARCHLIST; + + if ((cp2 = strchr(lnm,';')) != NULL) { + strcpy(buf,lnm); + buf[cp2-lnm] = '\0'; + idx = strtoul(cp2+1,NULL,0); + lnm = buf; + flags &= ~PERL__TRNENV_JOIN_SEARCHLIST; + } + + *len = vmstrnenv(lnm,buf,idx,secure ? fildev : NULL,flags); + + /* Discard NOLOGNAM on internal calls since we're often looking + * for an optional name, and this "error" often shows up as the + * (bogus) exit status for a die() call later on. */ + if (sys && vaxc$errno == SS$_NOLOGNAM) SETERRNO(saverr,savvmserr); + return *len ? buf : Nullch; + } + +} /* end of my_getenv_len() */ /*}}}*/ -/*{{{ void my_setenv(char *lnm, char *eqv)*/ +static void create_mbx(pTHX_ unsigned short int *, struct dsc$descriptor_s *); + +static void riseandshine(unsigned long int dummy) { sys$wake(0,0); } + +/*{{{ void prime_env_iter() */ void -my_setenv(char *lnm,char *eqv) -/* Define a supervisor-mode logical name in the process table. - * In the future we'll add tables, attribs, and acmodes, - * probably through a different call. +prime_env_iter(void) +/* Fill the %ENV associative array with all logical names we can + * find, in preparation for iterating over it. + */ +{ + static int primed = 0; + HV *seenhv = NULL, *envhv; + SV *sv = NULL; + char cmd[LNM$C_NAMLENGTH+24], mbxnam[LNM$C_NAMLENGTH], *buf = Nullch; + unsigned short int chan; +#ifndef CLI$M_TRUSTED +# define CLI$M_TRUSTED 0x40 /* Missing from VAXC headers */ +#endif + unsigned long int defflags = CLI$M_NOWAIT | CLI$M_NOKEYPAD | CLI$M_TRUSTED; + unsigned long int mbxbufsiz, flags, retsts, subpid = 0, substs = 0, wakect = 0; + long int i; + bool have_sym = FALSE, have_lnm = FALSE; + struct dsc$descriptor_s tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}; + $DESCRIPTOR(cmddsc,cmd); $DESCRIPTOR(nldsc,"_NLA0:"); + $DESCRIPTOR(clidsc,"DCL"); $DESCRIPTOR(clitabdsc,"DCLTABLES"); + $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM"); + $DESCRIPTOR(local,"_LOCAL"); $DESCRIPTOR(mbxdsc,mbxnam); +#if defined(PERL_IMPLICIT_CONTEXT) + pTHX; +#endif +#if defined(USE_ITHREADS) + static perl_mutex primenv_mutex; + MUTEX_INIT(&primenv_mutex); +#endif + +#if defined(PERL_IMPLICIT_CONTEXT) + /* We jump through these hoops because we can be called at */ + /* platform-specific initialization time, which is before anything is */ + /* set up--we can't even do a plain dTHX since that relies on the */ + /* interpreter structure to be initialized */ + if (PL_curinterp) { + aTHX = PERL_GET_INTERP; + } else { + aTHX = NULL; + } +#endif + + if (primed || !PL_envgv) return; + MUTEX_LOCK(&primenv_mutex); + if (primed) { MUTEX_UNLOCK(&primenv_mutex); return; } + envhv = GvHVn(PL_envgv); + /* Perform a dummy fetch as an lval to insure that the hash table is + * set up. Otherwise, the hv_store() will turn into a nullop. */ + (void) hv_fetch(envhv,"DEFAULT",7,TRUE); + + for (i = 0; env_tables[i]; i++) { + if (!have_sym && (tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer) && + !str$case_blind_compare(&tmpdsc,&clisym)) have_sym = 1; + if (!have_lnm && !str$case_blind_compare(env_tables[i],&crtlenv)) have_lnm = 1; + } + if (have_sym || have_lnm) { + long int syiitm = SYI$_MAXBUF, dviitm = DVI$_DEVNAM; + _ckvmssts(lib$getsyi(&syiitm, &mbxbufsiz, 0, 0, 0, 0)); + _ckvmssts(sys$crembx(0,&chan,mbxbufsiz,mbxbufsiz,0xff0f,0,0)); + _ckvmssts(lib$getdvi(&dviitm, &chan, NULL, NULL, &mbxdsc, &mbxdsc.dsc$w_length)); + } + + for (i--; i >= 0; i--) { + if (!str$case_blind_compare(env_tables[i],&crtlenv)) { + char *start; + int j; + for (j = 0; environ[j]; j++) { + if (!(start = strchr(environ[j],'='))) { + if (ckWARN(WARN_INTERNAL)) + Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Ill-formed CRTL environ value \"%s\"\n",environ[j]); + } + else { + start++; + sv = newSVpv(start,0); + SvTAINTED_on(sv); + (void) hv_store(envhv,environ[j],start - environ[j] - 1,sv,0); + } + } + continue; + } + else if ((tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer) && + !str$case_blind_compare(&tmpdsc,&clisym)) { + strcpy(cmd,"Show Symbol/Global *"); + cmddsc.dsc$w_length = 20; + if (env_tables[i]->dsc$w_length == 12 && + (tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer + 6) && + !str$case_blind_compare(&tmpdsc,&local)) strcpy(cmd+12,"Local *"); + flags = defflags | CLI$M_NOLOGNAM; + } + else { + strcpy(cmd,"Show Logical *"); + if (str$case_blind_compare(env_tables[i],&fildevdsc)) { + strcat(cmd," /Table="); + strncat(cmd,env_tables[i]->dsc$a_pointer,env_tables[i]->dsc$w_length); + cmddsc.dsc$w_length = strlen(cmd); + } + else cmddsc.dsc$w_length = 14; /* N.B. We test this below */ + flags = defflags | CLI$M_NOCLISYM; + } + + /* Create a new subprocess to execute each command, to exclude the + * remote possibility that someone could subvert a mbx or file used + * to write multiple commands to a single subprocess. + */ + do { + retsts = lib$spawn(&cmddsc,&nldsc,&mbxdsc,&flags,0,&subpid,&substs, + 0,&riseandshine,0,0,&clidsc,&clitabdsc); + flags &= ~CLI$M_TRUSTED; /* Just in case we hit a really old version */ + defflags &= ~CLI$M_TRUSTED; + } while (retsts == LIB$_INVARG && (flags | CLI$M_TRUSTED)); + _ckvmssts(retsts); + if (!buf) New(1322,buf,mbxbufsiz + 1,char); + if (seenhv) SvREFCNT_dec(seenhv); + seenhv = newHV(); + while (1) { + char *cp1, *cp2, *key; + unsigned long int sts, iosb[2], retlen, keylen; + register U32 hash; + + sts = sys$qiow(0,chan,IO$_READVBLK,iosb,0,0,buf,mbxbufsiz,0,0,0,0); + if (sts & 1) sts = iosb[0] & 0xffff; + if (sts == SS$_ENDOFFILE) { + int wakect = 0; + while (substs == 0) { sys$hiber(); wakect++;} + if (wakect > 1) sys$wake(0,0); /* Stole someone else's wake */ + _ckvmssts(substs); + break; + } + _ckvmssts(sts); + retlen = iosb[0] >> 16; + if (!retlen) continue; /* blank line */ + buf[retlen] = '\0'; + if (iosb[1] != subpid) { + if (iosb[1]) { + Perl_croak(aTHX_ "Unknown process %x sent message to prime_env_iter: %s",buf); + } + continue; + } + if (sts == SS$_BUFFEROVF && ckWARN(WARN_INTERNAL)) + Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Buffer overflow in prime_env_iter: %s",buf); + + for (cp1 = buf; *cp1 && isspace(*cp1); cp1++) ; + if (*cp1 == '(' || /* Logical name table name */ + *cp1 == '=' /* Next eqv of searchlist */) continue; + if (*cp1 == '"') cp1++; + for (cp2 = cp1; *cp2 && *cp2 != '"' && *cp2 != ' '; cp2++) ; + key = cp1; keylen = cp2 - cp1; + if (keylen && hv_exists(seenhv,key,keylen)) continue; + while (*cp2 && *cp2 != '=') cp2++; + while (*cp2 && *cp2 == '=') cp2++; + while (*cp2 && *cp2 == ' ') cp2++; + if (*cp2 == '"') { /* String translation; may embed "" */ + for (cp1 = buf + retlen; *cp1 != '"'; cp1--) ; + cp2++; cp1--; /* Skip "" surrounding translation */ + } + else { /* Numeric translation */ + for (cp1 = cp2; *cp1 && *cp1 != ' '; cp1++) ; + cp1--; /* stop on last non-space char */ + } + if ((!keylen || (cp1 - cp2 < -1)) && ckWARN(WARN_INTERNAL)) { + Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Ill-formed message in prime_env_iter: |%s|",buf); + continue; + } + PERL_HASH(hash,key,keylen); + + if (cp1 == cp2 && *cp2 == '.') { + /* A single dot usually means an unprintable character, such as a null + * to indicate a zero-length value. Get the actual value to make sure. + */ + char lnm[LNM$C_NAMLENGTH+1]; + char eqv[LNM$C_NAMLENGTH+1]; + strncpy(lnm, key, keylen); + int trnlen = vmstrnenv(lnm, eqv, 0, fildev, 0); + sv = newSVpvn(eqv, strlen(eqv)); + } + else { + sv = newSVpvn(cp2,cp1 - cp2 + 1); + } + + SvTAINTED_on(sv); + hv_store(envhv,key,keylen,sv,hash); + hv_store(seenhv,key,keylen,&PL_sv_yes,hash); + } + if (cmddsc.dsc$w_length == 14) { /* We just read LNM$FILE_DEV */ + /* get the PPFs for this process, not the subprocess */ + char *ppfs[] = {"SYS$COMMAND", "SYS$INPUT", "SYS$OUTPUT", "SYS$ERROR", NULL}; + char eqv[LNM$C_NAMLENGTH+1]; + int trnlen, i; + for (i = 0; ppfs[i]; i++) { + trnlen = vmstrnenv(ppfs[i],eqv,0,fildev,0); + sv = newSVpv(eqv,trnlen); + SvTAINTED_on(sv); + hv_store(envhv,ppfs[i],strlen(ppfs[i]),sv,0); + } + } + } + primed = 1; + if (have_sym || have_lnm) _ckvmssts(sys$dassgn(chan)); + if (buf) Safefree(buf); + if (seenhv) SvREFCNT_dec(seenhv); + MUTEX_UNLOCK(&primenv_mutex); + return; + +} /* end of prime_env_iter */ +/*}}}*/ + + +/*{{{ int vmssetenv(const char *lnm, const char *eqv)*/ +/* Define or delete an element in the same "environment" as + * vmstrnenv(). If an element is to be deleted, it's removed from + * the first place it's found. If it's to be set, it's set in the + * place designated by the first element of the table vector. + * Like setenv() returns 0 for success, non-zero on error. */ +int +Perl_vmssetenv(pTHX_ const char *lnm, const char *eqv, struct dsc$descriptor_s **tabvec) { - char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2; + char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2, *c; + unsigned short int curtab, ivlnm = 0, ivsym = 0, ivenv = 0; + int nseg = 0, j; unsigned long int retsts, usermode = PSL$C_USER; - $DESCRIPTOR(tabdsc,"LNM$PROCESS"); + struct itmlst_3 *ile, *ilist; struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,uplnm}, - eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}; + eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}, + tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}; + $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM"); + $DESCRIPTOR(local,"_LOCAL"); + + if (!lnm) { + set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM); + return SS$_IVLOGNAM; + } - for(cp1 = lnm, cp2 = uplnm; *cp1; cp1++, cp2++) *cp2 = _toupper(*cp1); + for (cp1 = (char *)lnm, cp2 = uplnm; *cp1; cp1++, cp2++) { + *cp2 = _toupper(*cp1); + if (cp1 - lnm > LNM$C_NAMLENGTH) { + set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM); + return SS$_IVLOGNAM; + } + } lnmdsc.dsc$w_length = cp1 - lnm; + if (!tabvec || !*tabvec) tabvec = env_tables; + + if (!eqv) { /* we're deleting n element */ + for (curtab = 0; tabvec[curtab]; curtab++) { + if (!ivenv && !str$case_blind_compare(tabvec[curtab],&crtlenv)) { + int i; + for (i = 0; environ[i]; i++) { /* If it's an environ elt, reset */ + if ((cp1 = strchr(environ[i],'=')) && + lnmdsc.dsc$w_length == (cp1 - environ[i]) && + !strncmp(environ[i],lnm,cp1 - environ[i])) { +#ifdef HAS_SETENV + return setenv(lnm,"",1) ? vaxc$errno : 0; + } + } + ivenv = 1; retsts = SS$_NOLOGNAM; +#else + if (ckWARN(WARN_INTERNAL)) + Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"This Perl can't reset CRTL environ elements (%s)",lnm); + ivenv = 1; retsts = SS$_NOSUCHPGM; + break; + } + } +#endif + } + else if ((tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer) && + !str$case_blind_compare(&tmpdsc,&clisym)) { + unsigned int symtype; + if (tabvec[curtab]->dsc$w_length == 12 && + (tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer + 6) && + !str$case_blind_compare(&tmpdsc,&local)) + symtype = LIB$K_CLI_LOCAL_SYM; + else symtype = LIB$K_CLI_GLOBAL_SYM; + retsts = lib$delete_symbol(&lnmdsc,&symtype); + if (retsts == LIB$_INVSYMNAM) { ivsym = 1; continue; } + if (retsts == LIB$_NOSUCHSYM) continue; + break; + } + else if (!ivlnm) { + retsts = sys$dellnm(tabvec[curtab],&lnmdsc,&usermode); /* try user mode first */ + if (retsts == SS$_IVLOGNAM) { ivlnm = 1; continue; } + if (retsts != SS$_NOLOGNAM && retsts != SS$_NOLOGTAB) break; + retsts = lib$delete_logical(&lnmdsc,tabvec[curtab]); /* then supervisor mode */ + if (retsts != SS$_NOLOGNAM && retsts != SS$_NOLOGTAB) break; + } + } + } + else { /* we're defining a value */ + if (!ivenv && !str$case_blind_compare(tabvec[0],&crtlenv)) { +#ifdef HAS_SETENV + return setenv(lnm,eqv,1) ? vaxc$errno : 0; +#else + if (ckWARN(WARN_INTERNAL)) + Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"This Perl can't set CRTL environ elements (%s=%s)",lnm,eqv); + retsts = SS$_NOSUCHPGM; +#endif + } + else { + eqvdsc.dsc$a_pointer = (char *)eqv; + eqvdsc.dsc$w_length = strlen(eqv); + if ((tmpdsc.dsc$a_pointer = tabvec[0]->dsc$a_pointer) && + !str$case_blind_compare(&tmpdsc,&clisym)) { + unsigned int symtype; + if (tabvec[0]->dsc$w_length == 12 && + (tmpdsc.dsc$a_pointer = tabvec[0]->dsc$a_pointer + 6) && + !str$case_blind_compare(&tmpdsc,&local)) + symtype = LIB$K_CLI_LOCAL_SYM; + else symtype = LIB$K_CLI_GLOBAL_SYM; + retsts = lib$set_symbol(&lnmdsc,&eqvdsc,&symtype); + } + else { + if (!*eqv) eqvdsc.dsc$w_length = 1; + if (eqvdsc.dsc$w_length > LNM$C_NAMLENGTH) { + + nseg = (eqvdsc.dsc$w_length + LNM$C_NAMLENGTH - 1) / LNM$C_NAMLENGTH; + if (nseg > PERL_LNM_MAX_ALLOWED_INDEX + 1) { + Perl_warner(aTHX_ packWARN(WARN_MISC),"Value of logical \"%s\" too long. Truncating to %i bytes", + lnm, LNM$C_NAMLENGTH * (PERL_LNM_MAX_ALLOWED_INDEX+1)); + eqvdsc.dsc$w_length = LNM$C_NAMLENGTH * (PERL_LNM_MAX_ALLOWED_INDEX+1); + nseg = PERL_LNM_MAX_ALLOWED_INDEX + 1; + } + + New(1382,ilist,nseg+1,struct itmlst_3); + ile = ilist; + if (!ile) { + set_errno(ENOMEM); set_vaxc_errno(SS$_INSFMEM); + return SS$_INSFMEM; + } + memset(ilist, 0, (sizeof(struct itmlst_3) * (nseg+1))); + + for (j = 0, c = eqvdsc.dsc$a_pointer; j < nseg; j++, ile++, c += LNM$C_NAMLENGTH) { + ile->itmcode = LNM$_STRING; + ile->bufadr = c; + if ((j+1) == nseg) { + ile->buflen = strlen(c); + /* in case we are truncating one that's too long */ + if (ile->buflen > LNM$C_NAMLENGTH) ile->buflen = LNM$C_NAMLENGTH; + } + else { + ile->buflen = LNM$C_NAMLENGTH; + } + } - if (!eqv || !*eqv) { /* we're deleting a logical name */ - retsts = sys$dellnm(&tabdsc,&lnmdsc,&usermode); /* try user mode first */ - if (retsts == SS$_IVLOGNAM) return; - if (retsts != SS$_NOLOGNAM) _ckvmssts(retsts); - if (!(retsts & 1)) { - retsts = lib$delete_logical(&lnmdsc,&tabdsc); /* then supervisor mode */ - if (retsts != SS$_NOLOGNAM) _ckvmssts(retsts); + retsts = lib$set_logical(&lnmdsc,0,tabvec[0],0,ilist); + Safefree (ilist); + } + else { + retsts = lib$set_logical(&lnmdsc,&eqvdsc,tabvec[0],0,0); + } + } } } + if (!(retsts & 1)) { + switch (retsts) { + case LIB$_AMBSYMDEF: case LIB$_INSCLIMEM: + case SS$_NOLOGTAB: case SS$_TOOMANYLNAM: case SS$_IVLOGTAB: + set_errno(EVMSERR); break; + case LIB$_INVARG: case LIB$_INVSYMNAM: case SS$_IVLOGNAM: + case LIB$_NOSUCHSYM: case SS$_NOLOGNAM: + set_errno(EINVAL); break; + case SS$_NOPRIV: + set_errno(EACCES); + default: + _ckvmssts(retsts); + set_errno(EVMSERR); + } + set_vaxc_errno(retsts); + return (int) retsts || 44; /* retsts should never be 0, but just in case */ + } else { - eqvdsc.dsc$w_length = strlen(eqv); - eqvdsc.dsc$a_pointer = eqv; + /* We reset error values on success because Perl does an hv_fetch() + * before each hv_store(), and if the thing we're setting didn't + * previously exist, we've got a leftover error message. (Of course, + * this fails in the face of + * $foo = $ENV{nonexistent}; $ENV{existent} = 'foo'; + * in that the error reported in $! isn't spurious, + * but it's right more often than not.) + */ + set_errno(0); set_vaxc_errno(retsts); + return 0; + } + +} /* end of vmssetenv() */ +/*}}}*/ - _ckvmssts(lib$set_logical(&lnmdsc,&eqvdsc,&tabdsc,0,0)); +/*{{{ void my_setenv(const char *lnm, const char *eqv)*/ +/* This has to be a function since there's a prototype for it in proto.h */ +void +Perl_my_setenv(pTHX_ const char *lnm, const char *eqv) +{ + if (lnm && *lnm) { + int len = strlen(lnm); + if (len == 7) { + char uplnm[8]; + int i; + for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]); + if (!strcmp(uplnm,"DEFAULT")) { + if (eqv && *eqv) chdir(eqv); + return; + } + } +#ifndef RTL_USES_UTC + if (len == 6 || len == 2) { + char uplnm[7]; + int i; + for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]); + uplnm[len] = '\0'; + if (!strcmp(uplnm,"UCX$TZ")) tz_updated = 1; + if (!strcmp(uplnm,"TZ")) tz_updated = 1; } +#endif + } + (void) vmssetenv(lnm,eqv,NULL); +} +/*}}}*/ + +/*{{{static void vmssetuserlnm(char *name, char *eqv); */ +/* vmssetuserlnm + * sets a user-mode logical in the process logical name table + * used for redirection of sys$error + */ +void +Perl_vmssetuserlnm(pTHX_ char *name, char *eqv) +{ + $DESCRIPTOR(d_tab, "LNM$PROCESS"); + struct dsc$descriptor_d d_name = {0,DSC$K_DTYPE_T,DSC$K_CLASS_D,0}; + unsigned long int iss, attr = LNM$M_CONFINE; + unsigned char acmode = PSL$C_USER; + struct itmlst_3 lnmlst[2] = {{0, LNM$_STRING, 0, 0}, + {0, 0, 0, 0}}; + d_name.dsc$a_pointer = name; + d_name.dsc$w_length = strlen(name); + + lnmlst[0].buflen = strlen(eqv); + lnmlst[0].bufadr = eqv; -} /* end of my_setenv() */ + iss = sys$crelnm(&attr,&d_tab,&d_name,&acmode,lnmlst); + if (!(iss&1)) lib$signal(iss); +} /*}}}*/ @@ -193,7 +954,7 @@ my_setenv(char *lnm,char *eqv) * be upcased by the caller. */ char * -my_crypt(const char *textpasswd, const char *usrname) +Perl_my_crypt(pTHX_ const char *textpasswd, const char *usrname) { # ifndef UAI$C_PREFERRED_ALGORITHM # define UAI$C_PREFERRED_ALGORITHM 127 @@ -218,8 +979,7 @@ my_crypt(const char *textpasswd, const char *usrname) usrdsc.dsc$a_pointer = usrname; if (!((sts = sys$getuai(0, 0, &usrdsc, uailst, 0, 0, 0)) & 1)) { switch (sts) { - case SS$_NOGRPPRV: - case SS$_NOSYSPRV: + case SS$_NOGRPPRV: case SS$_NOSYSPRV: set_errno(EACCES); break; case RMS$_RNF: @@ -244,16 +1004,17 @@ my_crypt(const char *textpasswd, const char *usrname) /*}}}*/ -static char *do_fileify_dirspec(char *, char *, int); -static char *do_tovmsspec(char *, char *, int); +static char *mp_do_rmsexpand(pTHX_ char *, char *, int, char *, unsigned); +static char *mp_do_fileify_dirspec(pTHX_ char *, char *, int); +static char *mp_do_tovmsspec(pTHX_ char *, char *, int); /*{{{int do_rmdir(char *name)*/ int -do_rmdir(char *name) +Perl_do_rmdir(pTHX_ char *name) { char dirfile[NAM$C_MAXRSS+1]; int retval; - struct stat st; + Stat_t st; if (do_fileify_dirspec(name,dirfile,0) == NULL) return -1; if (flex_stat(dirfile,&st) || !S_ISDIR(st.st_mode)) retval = -1; @@ -273,9 +1034,9 @@ do_rmdir(char *name) */ /*{{{int kill_file(char *name)*/ int -kill_file(char *name) +Perl_kill_file(pTHX_ char *name) { - char vmsname[NAM$C_MAXRSS+1]; + char vmsname[NAM$C_MAXRSS+1], rspec[NAM$C_MAXRSS+1]; unsigned long int jpicode = JPI$_UIC, type = ACL$C_FILE; unsigned long int cxt = 0, aclsts, fndsts, rmsts = -1; struct dsc$descriptor_s fildsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; @@ -296,20 +1057,39 @@ kill_file(char *name) lcklst[2] = {{sizeof newace, ACL$C_WLOCK_ACL, &newace, 0},{0,0,0,0}}, ulklst[2] = {{sizeof newace, ACL$C_UNLOCK_ACL, &newace, 0},{0,0,0,0}}; - if (!remove(name)) return 0; /* Can we just get rid of it? */ + /* Expand the input spec using RMS, since the CRTL remove() and + * system services won't do this by themselves, so we may miss + * a file "hiding" behind a logical name or search list. */ + if (do_tovmsspec(name,vmsname,0) == NULL) return -1; + if (do_rmsexpand(vmsname,rspec,1,NULL,0) == NULL) return -1; + if (!remove(rspec)) return 0; /* Can we just get rid of it? */ + /* If not, can changing protections help? */ + if (vaxc$errno != RMS$_PRV) return -1; /* No, so we get our own UIC to use as a rights identifier, * and the insert an ACE at the head of the ACL which allows us * to delete the file. */ _ckvmssts(lib$getjpi(&jpicode,0,0,&(oldace.myace$l_ident),0,0)); - if (do_tovmsspec(name,vmsname,0) == NULL) return -1; - fildsc.dsc$w_length = strlen(vmsname); - fildsc.dsc$a_pointer = vmsname; + fildsc.dsc$w_length = strlen(rspec); + fildsc.dsc$a_pointer = rspec; cxt = 0; newace.myace$l_ident = oldace.myace$l_ident; if (!((aclsts = sys$change_acl(0,&type,&fildsc,lcklst,0,0,0)) & 1)) { - set_errno(EVMSERR); + switch (aclsts) { + case RMS$_FNF: case RMS$_DNF: case SS$_NOSUCHOBJECT: + set_errno(ENOENT); break; + case RMS$_DIR: + set_errno(ENOTDIR); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_SYN: case SS$_INVFILFOROP: + set_errno(EINVAL); break; + case RMS$_PRV: + set_errno(EACCES); break; + default: + _ckvmssts(aclsts); + } set_vaxc_errno(aclsts); return -1; } @@ -334,10 +1114,13 @@ kill_file(char *name) } yourroom: - if (rmsts) { - fndsts = sys$change_acl(0,&type,&fildsc,ulklst,0,0,0); - if (aclsts & 1) aclsts = fndsts; - } + fndsts = sys$change_acl(0,&type,&fildsc,ulklst,0,0,0); + /* We just deleted it, so of course it's not there. Some versions of + * VMS seem to return success on the unlock operation anyhow (after all + * the unlock is successful), but others don't. + */ + if (fndsts == RMS$_FNF || fndsts == SS$_NOSUCHOBJECT) fndsts = SS$_NORMAL; + if (aclsts & 1) aclsts = fndsts; if (!(aclsts & 1)) { set_errno(EVMSERR); set_vaxc_errno(aclsts); @@ -349,178 +1132,247 @@ kill_file(char *name) } /* end of kill_file() */ /*}}}*/ -/* my_utime - update modification time of a file - * calling sequence is identical to POSIX utime(), but under - * VMS only the modification time is changed; ODS-2 does not - * maintain access times. Restrictions differ from the POSIX - * definition in that the time can be changed as long as the - * caller has permission to execute the necessary IO$_MODIFY $QIO; - * no separate checks are made to insure that the caller is the - * owner of the file or has special privs enabled. - * Code here is based on Joe Meadows' FILE utility. - */ - -/* Adjustment from Unix epoch (01-JAN-1970 00:00:00.00) - * to VMS epoch (01-JAN-1858 00:00:00.00) - * in 100 ns intervals. - */ -static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 }; -/*{{{int my_utime(char *path, struct utimbuf *utimes)*/ -int my_utime(char *file, struct utimbuf *utimes) +/*{{{int my_mkdir(char *,Mode_t)*/ +int +Perl_my_mkdir(pTHX_ char *dir, Mode_t mode) { - register int i; - long int bintime[2], len = 2, lowbit, unixtime, - secscale = 10000000; /* seconds --> 100 ns intervals */ - unsigned long int chan, iosb[2], retsts; - char vmsspec[NAM$C_MAXRSS+1], rsa[NAM$C_MAXRSS], esa[NAM$C_MAXRSS]; - struct FAB myfab = cc$rms_fab; - struct NAM mynam = cc$rms_nam; -#if defined (__DECC) && defined (__VAX) - /* VAX DEC C atrdef.h has unsigned type for pointer member atr$l_addr, - * at least through VMS V6.1, which causes a type-conversion warning. + STRLEN dirlen = strlen(dir); + + /* zero length string sometimes gives ACCVIO */ + if (dirlen == 0) return -1; + + /* CRTL mkdir() doesn't tolerate trailing /, since that implies + * null file name/type. However, it's commonplace under Unix, + * so we'll allow it for a gain in portability. */ -# pragma message save -# pragma message disable cvtdiftypes -#endif - struct atrdef myatr[2] = {{sizeof bintime, ATR$C_REVDATE, bintime}, {0,0,0}}; - struct fibdef myfib; -#if defined (__DECC) && defined (__VAX) - /* This should be right after the declaration of myatr, but due - * to a bug in VAX DEC C, this takes effect a statement early. - */ -# pragma message restore -#endif - struct dsc$descriptor fibdsc = {sizeof(myfib), DSC$K_DTYPE_Z, DSC$K_CLASS_S,(char *) &myfib}, - devdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0}, - fnmdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0}; - - if (file == NULL || *file == '\0') { - set_errno(ENOENT); - set_vaxc_errno(LIB$_INVARG); - return -1; + if (dir[dirlen-1] == '/') { + char *newdir = savepvn(dir,dirlen-1); + int ret = mkdir(newdir,mode); + Safefree(newdir); + return ret; } - if (do_tovmsspec(file,vmsspec,0) == NULL) return -1; + else return mkdir(dir,mode); +} /* end of my_mkdir */ +/*}}}*/ - if (utimes != NULL) { - /* Convert Unix time (seconds since 01-JAN-1970 00:00:00.00) - * to VMS quadword time (100 nsec intervals since 01-JAN-1858 00:00:00.00). - * Since time_t is unsigned long int, and lib$emul takes a signed long int - * as input, we force the sign bit to be clear by shifting unixtime right - * one bit, then multiplying by an extra factor of 2 in lib$emul(). - */ - lowbit = (utimes->modtime & 1) ? secscale : 0; - unixtime = (long int) utimes->modtime; - unixtime >> 1; secscale << 1; - retsts = lib$emul(&secscale, &unixtime, &lowbit, bintime); - if (!(retsts & 1)) { - set_errno(EVMSERR); - set_vaxc_errno(retsts); - return -1; - } - retsts = lib$addx(bintime,utime_baseadjust,bintime,&len); - if (!(retsts & 1)) { - set_errno(EVMSERR); - set_vaxc_errno(retsts); - return -1; - } - } - else { - /* Just get the current time in VMS format directly */ - retsts = sys$gettim(bintime); - if (!(retsts & 1)) { - set_errno(EVMSERR); - set_vaxc_errno(retsts); - return -1; - } - } +/*{{{int my_chdir(char *)*/ +int +Perl_my_chdir(pTHX_ char *dir) +{ + STRLEN dirlen = strlen(dir); - myfab.fab$l_fna = vmsspec; - myfab.fab$b_fns = (unsigned char) strlen(vmsspec); - myfab.fab$l_nam = &mynam; - mynam.nam$l_esa = esa; - mynam.nam$b_ess = (unsigned char) sizeof esa; - mynam.nam$l_rsa = rsa; - mynam.nam$b_rss = (unsigned char) sizeof rsa; + /* zero length string sometimes gives ACCVIO */ + if (dirlen == 0) return -1; - /* Look for the file to be affected, letting RMS parse the file - * specification for us as well. I have set errno using only - * values documented in the utime() man page for VMS POSIX. + /* some versions of CRTL chdir() doesn't tolerate trailing /, since + * that implies + * null file name/type. However, it's commonplace under Unix, + * so we'll allow it for a gain in portability. */ - retsts = sys$parse(&myfab,0,0); - if (!(retsts & 1)) { - set_vaxc_errno(retsts); - if (retsts == RMS$_PRV) set_errno(EACCES); - else if (retsts == RMS$_DIR) set_errno(ENOTDIR); - else set_errno(EVMSERR); - return -1; - } - retsts = sys$search(&myfab,0,0); - if (!(retsts & 1)) { - set_vaxc_errno(retsts); - if (retsts == RMS$_PRV) set_errno(EACCES); - else if (retsts == RMS$_FNF) set_errno(ENOENT); - else set_errno(EVMSERR); - return -1; + if (dir[dirlen-1] == '/') { + char *newdir = savepvn(dir,dirlen-1); + int ret = chdir(newdir); + Safefree(newdir); + return ret; } + else return chdir(dir); +} /* end of my_chdir */ +/*}}}*/ - devdsc.dsc$w_length = mynam.nam$b_dev; - devdsc.dsc$a_pointer = (char *) mynam.nam$l_dev; - retsts = sys$assign(&devdsc,&chan,0,0); - if (!(retsts & 1)) { - set_vaxc_errno(retsts); - if (retsts == SS$_IVDEVNAM) set_errno(ENOTDIR); - else if (retsts == SS$_NOPRIV) set_errno(EACCES); - else if (retsts == SS$_NOSUCHDEV) set_errno(ENOTDIR); - else set_errno(EVMSERR); - return -1; +/*{{{FILE *my_tmpfile()*/ +FILE * +my_tmpfile(void) +{ + FILE *fp; + char *cp; + + if ((fp = tmpfile())) return fp; + + New(1323,cp,L_tmpnam+24,char); + strcpy(cp,"Sys$Scratch:"); + tmpnam(cp+strlen(cp)); + strcat(cp,".Perltmp"); + fp = fopen(cp,"w+","fop=dlt"); + Safefree(cp); + return fp; +} +/*}}}*/ + + +#ifndef HOMEGROWN_POSIX_SIGNALS +/* + * The C RTL's sigaction fails to check for invalid signal numbers so we + * help it out a bit. The docs are correct, but the actual routine doesn't + * do what the docs say it will. + */ +/*{{{int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*);*/ +int +Perl_my_sigaction (pTHX_ int sig, const struct sigaction* act, + struct sigaction* oact) +{ + if (sig == SIGKILL || sig == SIGSTOP || sig == SIGCONT) { + SETERRNO(EINVAL, SS$_INVARG); + return -1; } + return sigaction(sig, act, oact); +} +/*}}}*/ +#endif - fnmdsc.dsc$a_pointer = mynam.nam$l_name; - fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver; +#ifdef KILL_BY_SIGPRC +#include - memset((void *) &myfib, 0, sizeof myfib); -#ifdef __DECC - for (i=0;i<3;i++) myfib.fib$w_fid[i] = mynam.nam$w_fid[i]; - for (i=0;i<3;i++) myfib.fib$w_did[i] = mynam.nam$w_did[i]; - /* This prevents the revision time of the file being reset to the current - * time as a result of our IO$_MODIFY $QIO. */ - myfib.fib$l_acctl = FIB$M_NORECORD; -#else - for (i=0;i<3;i++) myfib.fib$r_fid_overlay.fib$w_fid[i] = mynam.nam$w_fid[i]; - for (i=0;i<3;i++) myfib.fib$r_did_overlay.fib$w_did[i] = mynam.nam$w_did[i]; - myfib.fib$r_acctl_overlay.fib$l_acctl = FIB$M_NORECORD; +/* We implement our own kill() using the undocumented system service + sys$sigprc for one of two reasons: + + 1.) If the kill() in an older CRTL uses sys$forcex, causing the + target process to do a sys$exit, which usually can't be handled + gracefully...certainly not by Perl and the %SIG{} mechanism. + + 2.) If the kill() in the CRTL can't be called from a signal + handler without disappearing into the ether, i.e., the signal + it purportedly sends is never trapped. Still true as of VMS 7.3. + + sys$sigprc has the same parameters as sys$forcex, but throws an exception + in the target process rather than calling sys$exit. + + Note that distinguishing SIGSEGV from SIGBUS requires an extra arg + on the ACCVIO condition, which sys$sigprc (and sys$forcex) don't + provide. On VMS 7.0+ this is taken care of by doing sys$sigprc + with condition codes C$_SIG0+nsig*8, catching the exception on the + target process and resignaling with appropriate arguments. + + But we don't have that VMS 7.0+ exception handler, so if you + Perl_my_kill(.., SIGSEGV) it will show up as a SIGBUS. Oh well. + + Also note that SIGTERM is listed in the docs as being "unimplemented", + yet always seems to be signaled with a VMS condition code of 4 (and + correctly handled for that code). So we hardwire it in. + + Unlike the VMS 7.0+ CRTL kill() function, we actually check the signal + number to see if it's valid. So Perl_my_kill(pid,0) returns -1 rather + than signalling with an unrecognized (and unhandled by CRTL) code. +*/ + +#define _MY_SIG_MAX 17 + +unsigned int +Perl_sig_to_vmscondition(int sig) +{ + static unsigned int sig_code[_MY_SIG_MAX+1] = + { + 0, /* 0 ZERO */ + SS$_HANGUP, /* 1 SIGHUP */ + SS$_CONTROLC, /* 2 SIGINT */ + SS$_CONTROLY, /* 3 SIGQUIT */ + SS$_RADRMOD, /* 4 SIGILL */ + SS$_BREAK, /* 5 SIGTRAP */ + SS$_OPCCUS, /* 6 SIGABRT */ + SS$_COMPAT, /* 7 SIGEMT */ +#ifdef __VAX + SS$_FLTOVF, /* 8 SIGFPE VAX */ +#else + SS$_HPARITH, /* 8 SIGFPE AXP */ +#endif + SS$_ABORT, /* 9 SIGKILL */ + SS$_ACCVIO, /* 10 SIGBUS */ + SS$_ACCVIO, /* 11 SIGSEGV */ + SS$_BADPARAM, /* 12 SIGSYS */ + SS$_NOMBX, /* 13 SIGPIPE */ + SS$_ASTFLT, /* 14 SIGALRM */ + 4, /* 15 SIGTERM */ + 0, /* 16 SIGUSR1 */ + 0 /* 17 SIGUSR2 */ + }; + +#if __VMS_VER >= 60200000 + static int initted = 0; + if (!initted) { + initted = 1; + sig_code[16] = C$_SIGUSR1; + sig_code[17] = C$_SIGUSR2; + } #endif - retsts = sys$qiow(0,chan,IO$_MODIFY,iosb,0,0,&fibdsc,&fnmdsc,0,0,myatr,0); - _ckvmssts(sys$dassgn(chan)); - if (retsts & 1) retsts = iosb[0]; - if (!(retsts & 1)) { - set_vaxc_errno(retsts); - if (retsts == SS$_NOPRIV) set_errno(EACCES); - else set_errno(EVMSERR); + + if (sig < _SIG_MIN) return 0; + if (sig > _MY_SIG_MAX) return 0; + return sig_code[sig]; +} + + +int +Perl_my_kill(int pid, int sig) +{ + dTHX; + int iss; + unsigned int code; + int sys$sigprc(unsigned int *pidadr, + struct dsc$descriptor_s *prcname, + unsigned int code); + + code = Perl_sig_to_vmscondition(sig); + + if (!pid || !code) { + return -1; + } + + iss = sys$sigprc((unsigned int *)&pid,0,code); + if (iss&1) return 0; + + switch (iss) { + case SS$_NOPRIV: + set_errno(EPERM); break; + case SS$_NONEXPR: + case SS$_NOSUCHNODE: + case SS$_UNREACHABLE: + set_errno(ESRCH); break; + case SS$_INSFMEM: + set_errno(ENOMEM); break; + default: + _ckvmssts(iss); + set_errno(EVMSERR); + } + set_vaxc_errno(iss); + return -1; - } +} +#endif + +/* default piping mailbox size */ +#define PERL_BUFSIZ 512 - return 0; -} /* end of my_utime() */ -/*}}}*/ static void -create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc) +create_mbx(pTHX_ unsigned short int *chan, struct dsc$descriptor_s *namdsc) { - static unsigned long int mbxbufsiz; - long int syiitm = SYI$_MAXBUF, dviitm = DVI$_DEVNAM; + unsigned long int mbxbufsiz; + static unsigned long int syssize = 0; + unsigned long int dviitm = DVI$_DEVNAM; + char csize[LNM$C_NAMLENGTH+1]; - if (!mbxbufsiz) { + if (!syssize) { + unsigned long syiitm = SYI$_MAXBUF; /* - * Get the SYSGEN parameter MAXBUF, and the smaller of it and the - * preprocessor consant BUFSIZ from stdio.h as the size of the - * 'pipe' mailbox. + * Get the SYSGEN parameter MAXBUF + * + * If the logical 'PERL_MBX_SIZE' is defined + * use the value of the logical instead of PERL_BUFSIZ, but + * keep the size between 128 and MAXBUF. + * */ - _ckvmssts(lib$getsyi(&syiitm, &mbxbufsiz, 0, 0, 0, 0)); - if (mbxbufsiz > BUFSIZ) mbxbufsiz = BUFSIZ; + _ckvmssts(lib$getsyi(&syiitm, &syssize, 0, 0, 0, 0)); } + + if (vmstrnenv("PERL_MBX_SIZE", csize, 0, fildev, 0)) { + mbxbufsiz = atoi(csize); + } else { + mbxbufsiz = PERL_BUFSIZ; + } + if (mbxbufsiz < 128) mbxbufsiz = 128; + if (mbxbufsiz > syssize) mbxbufsiz = syssize; + _ckvmssts(sys$crembx(0,chan,mbxbufsiz,mbxbufsiz,0,0,0)); _ckvmssts(lib$getdvi(&dviitm, chan, NULL, NULL, namdsc, &namdsc->dsc$w_length)); @@ -528,15 +1380,84 @@ create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc) } /* end of create_mbx() */ + /*{{{ my_popen and my_pclose*/ + +typedef struct _iosb IOSB; +typedef struct _iosb* pIOSB; +typedef struct _pipe Pipe; +typedef struct _pipe* pPipe; +typedef struct pipe_details Info; +typedef struct pipe_details* pInfo; +typedef struct _srqp RQE; +typedef struct _srqp* pRQE; +typedef struct _tochildbuf CBuf; +typedef struct _tochildbuf* pCBuf; + +struct _iosb { + unsigned short status; + unsigned short count; + unsigned long dvispec; +}; + +#pragma member_alignment save +#pragma nomember_alignment quadword +struct _srqp { /* VMS self-relative queue entry */ + unsigned long qptr[2]; +}; +#pragma member_alignment restore +static RQE RQE_ZERO = {0,0}; + +struct _tochildbuf { + RQE q; + int eof; + unsigned short size; + char *buf; +}; + +struct _pipe { + RQE free; + RQE wait; + int fd_out; + unsigned short chan_in; + unsigned short chan_out; + char *buf; + unsigned int bufsize; + IOSB iosb; + IOSB iosb2; + int *pipe_done; + int retry; + int type; + int shut_on_empty; + int need_wake; + pPipe *home; + pInfo info; + pCBuf curr; + pCBuf curr2; +#if defined(PERL_IMPLICIT_CONTEXT) + void *thx; /* Either a thread or an interpreter */ + /* pointer, depending on how we're built */ +#endif +}; + + struct pipe_details { - struct pipe_details *next; - FILE *fp; /* stdio file pointer to pipe mailbox */ + pInfo next; + PerlIO *fp; /* file pointer to pipe mailbox */ + int useFILE; /* using stdio, not perlio */ int pid; /* PID of subprocess */ int mode; /* == 'r' if pipe open for reading */ int done; /* subprocess has completed */ - unsigned long int completion; /* termination status of subprocess */ + int waiting; /* waiting for completion/closure */ + int closing; /* my_pclose is closing this pipe */ + unsigned long completion; /* termination status of subprocess */ + pPipe in; /* pipe in to sub */ + pPipe out; /* pipe out of sub */ + pPipe err; /* pipe of sub's sys$error */ + int in_done; /* true when in pipe finished */ + int out_done; + int err_done; }; struct exit_control_block @@ -548,23 +1469,136 @@ struct exit_control_block unsigned long int exit_status; }; -static struct pipe_details *open_pipes = NULL; +typedef struct _closed_pipes Xpipe; +typedef struct _closed_pipes* pXpipe; + +struct _closed_pipes { + int pid; /* PID of subprocess */ + unsigned long completion; /* termination status of subprocess */ +}; +#define NKEEPCLOSED 50 +static Xpipe closed_list[NKEEPCLOSED]; +static int closed_index = 0; +static int closed_num = 0; + +#define RETRY_DELAY "0 ::0.20" +#define MAX_RETRY 50 + +static int pipe_ef = 0; /* first call to safe_popen inits these*/ +static unsigned long mypid; +static unsigned long delaytime[2]; + +static pInfo open_pipes = NULL; static $DESCRIPTOR(nl_desc, "NL:"); -static int waitpid_asleep = 0; + +#define PIPE_COMPLETION_WAIT 30 /* seconds, for EOF/FORCEX wait */ + + static unsigned long int -pipe_exit_routine() +pipe_exit_routine(pTHX) { - unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT, sts; + pInfo info; + unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT; + int sts, did_stuff, need_eof, j; + + /* + flush any pending i/o + */ + info = open_pipes; + while (info) { + if (info->fp) { + if (!info->useFILE) + PerlIO_flush(info->fp); /* first, flush data */ + else + fflush((FILE *)info->fp); + } + info = info->next; + } + + /* + next we try sending an EOF...ignore if doesn't work, make sure we + don't hang + */ + did_stuff = 0; + info = open_pipes; + + while (info) { + int need_eof; + _ckvmssts(sys$setast(0)); + if (info->in && !info->in->shut_on_empty) { + _ckvmssts(sys$qio(0,info->in->chan_in,IO$_WRITEOF,0,0,0, + 0, 0, 0, 0, 0, 0)); + info->waiting = 1; + did_stuff = 1; + } + _ckvmssts(sys$setast(1)); + info = info->next; + } + + /* wait for EOF to have effect, up to ~ 30 sec [default] */ + + for (j = 0; did_stuff && j < PIPE_COMPLETION_WAIT; j++) { + int nwait = 0; + + info = open_pipes; + while (info) { + _ckvmssts(sys$setast(0)); + if (info->waiting && info->done) + info->waiting = 0; + nwait += info->waiting; + _ckvmssts(sys$setast(1)); + info = info->next; + } + if (!nwait) break; + sleep(1); + } + + did_stuff = 0; + info = open_pipes; + while (info) { + _ckvmssts(sys$setast(0)); + if (!info->done) { /* Tap them gently on the shoulder . . .*/ + sts = sys$forcex(&info->pid,0,&abort); + if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts); + did_stuff = 1; + } + _ckvmssts(sys$setast(1)); + info = info->next; + } + + /* again, wait for effect */ + + for (j = 0; did_stuff && j < PIPE_COMPLETION_WAIT; j++) { + int nwait = 0; + + info = open_pipes; + while (info) { + _ckvmssts(sys$setast(0)); + if (info->waiting && info->done) + info->waiting = 0; + nwait += info->waiting; + _ckvmssts(sys$setast(1)); + info = info->next; + } + if (!nwait) break; + sleep(1); + } - while (open_pipes != NULL) { - if (!open_pipes->done) { /* Tap them gently on the shoulder . . .*/ - _ckvmssts(sys$forcex(&open_pipes->pid,0,&abort)); - sleep(1); + info = open_pipes; + while (info) { + _ckvmssts(sys$setast(0)); + if (!info->done) { /* We tried to be nice . . . */ + sts = sys$delprc(&info->pid,0); + if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts); } - if (!open_pipes->done) /* We tried to be nice . . . */ - _ckvmssts(sys$delprc(&open_pipes->pid,0)); - if (!((sts = my_pclose(open_pipes->fp))&1)) retsts = sts; + _ckvmssts(sys$setast(1)); + info = info->next; + } + + while(open_pipes) { + if ((sts = my_pclose(open_pipes->fp)) == -1) retsts = vaxc$errno; + else if (!(sts & 1)) retsts = sts; } return retsts; } @@ -573,178 +1607,1489 @@ static struct exit_control_block pipe_exitblock = {(struct exit_control_block *) 0, pipe_exit_routine, 0, &pipe_exitblock.exit_status, 0}; +static void pipe_mbxtofd_ast(pPipe p); +static void pipe_tochild1_ast(pPipe p); +static void pipe_tochild2_ast(pPipe p); static void -popen_completion_ast(struct pipe_details *thispipe) +popen_completion_ast(pInfo info) { - thispipe->done = TRUE; - if (waitpid_asleep) { - waitpid_asleep = 0; - sys$wake(0,0); + pInfo i = open_pipes; + int iss; + pXpipe x; + + info->completion &= 0x0FFFFFFF; /* strip off "control" field */ + closed_list[closed_index].pid = info->pid; + closed_list[closed_index].completion = info->completion; + closed_index++; + if (closed_index == NKEEPCLOSED) + closed_index = 0; + closed_num++; + + while (i) { + if (i == info) break; + i = i->next; } -} + if (!i) return; /* unlinked, probably freed too */ -/*{{{ FILE *my_popen(char *cmd, char *mode)*/ -FILE * -my_popen(char *cmd, char *mode) -{ - static int handler_set_up = FALSE; - char mbxname[64]; - unsigned short int chan; - unsigned long int flags=1; /* nowait - gnu c doesn't allow &1 */ - struct pipe_details *info; - struct dsc$descriptor_s namdsc = {sizeof mbxname, DSC$K_DTYPE_T, - DSC$K_CLASS_S, mbxname}, - cmddsc = {0, DSC$K_DTYPE_T, - DSC$K_CLASS_S, 0}; - + info->done = TRUE; - cmddsc.dsc$w_length=strlen(cmd); - cmddsc.dsc$a_pointer=cmd; - if (cmddsc.dsc$w_length > 255) { - set_errno(E2BIG); set_vaxc_errno(CLI$_BUFOVF); - return Nullfp; - } +/* + Writing to subprocess ... + if my_pclose'd: EOF already sent, should shutdown chan_in part of pipe - New(7001,info,1,struct pipe_details); + chan_out may be waiting for "done" flag, or hung waiting + for i/o completion to child...cancel the i/o. This will + put it into "snarf mode" (done but no EOF yet) that discards + input. - /* create mailbox */ - create_mbx(&chan,&namdsc); + Output from subprocess (stdout, stderr) needs to be flushed and + shut down. We try sending an EOF, but if the mbx is full the pipe + routine should still catch the "shut_on_empty" flag, telling it to + use immediate-style reads so that "mbx empty" -> EOF. - /* open a FILE* onto it */ - info->fp=fopen(mbxname, mode); - /* give up other channel onto it */ - _ckvmssts(sys$dassgn(chan)); +*/ + if (info->in && !info->in_done) { /* only for mode=w */ + if (info->in->shut_on_empty && info->in->need_wake) { + info->in->need_wake = FALSE; + _ckvmssts_noperl(sys$dclast(pipe_tochild2_ast,info->in,0)); + } else { + _ckvmssts_noperl(sys$cancel(info->in->chan_out)); + } + } - if (!info->fp) - return Nullfp; - - info->mode = *mode; - info->done = FALSE; - info->completion=0; - - if (*mode == 'r') { - _ckvmssts(lib$spawn(&cmddsc, &nl_desc, &namdsc, &flags, - 0 /* name */, &info->pid, &info->completion, - 0, popen_completion_ast,info,0,0,0)); - } - else { - _ckvmssts(lib$spawn(&cmddsc, &namdsc, 0 /* sys$output */, &flags, - 0 /* name */, &info->pid, &info->completion, - 0, popen_completion_ast,info,0,0,0)); - } + if (info->out && !info->out_done) { /* were we also piping output? */ + info->out->shut_on_empty = TRUE; + iss = sys$qio(0,info->out->chan_in,IO$_WRITEOF|IO$M_NORSWAIT, 0, 0, 0, 0, 0, 0, 0, 0, 0); + if (iss == SS$_MBFULL) iss = SS$_NORMAL; + _ckvmssts_noperl(iss); + } + + if (info->err && !info->err_done) { /* we were piping stderr */ + info->err->shut_on_empty = TRUE; + iss = sys$qio(0,info->err->chan_in,IO$_WRITEOF|IO$M_NORSWAIT, 0, 0, 0, 0, 0, 0, 0, 0, 0); + if (iss == SS$_MBFULL) iss = SS$_NORMAL; + _ckvmssts_noperl(iss); + } + _ckvmssts_noperl(sys$setef(pipe_ef)); - if (!handler_set_up) { - _ckvmssts(sys$dclexh(&pipe_exitblock)); - handler_set_up = TRUE; - } - info->next=open_pipes; /* prepend to list */ - open_pipes=info; - - forkprocess = info->pid; - return info->fp; } -/*}}}*/ -/*{{{ I32 my_pclose(FILE *fp)*/ -I32 my_pclose(FILE *fp) -{ - struct pipe_details *info, *last = NULL; - unsigned long int retsts; - - for (info = open_pipes; info != NULL; last = info, info = info->next) - if (info->fp == fp) break; +static unsigned long int setup_cmddsc(pTHX_ char *cmd, int check_img, int *suggest_quote, struct dsc$descriptor_s **pvmscmd); +static void vms_execfree(struct dsc$descriptor_s *vmscmd); - if (info == NULL) - /* get here => no such pipe open */ - croak("No such pipe open"); +/* + we actually differ from vmstrnenv since we use this to + get the RMS IFI to check if SYS$OUTPUT and SYS$ERROR *really* + are pointing to the same thing +*/ - fclose(info->fp); +static unsigned short +popen_translate(pTHX_ char *logical, char *result) +{ + int iss; + $DESCRIPTOR(d_table,"LNM$PROCESS_TABLE"); + $DESCRIPTOR(d_log,""); + struct _il3 { + unsigned short length; + unsigned short code; + char * buffer_addr; + unsigned short *retlenaddr; + } itmlst[2]; + unsigned short l, ifi; + + d_log.dsc$a_pointer = logical; + d_log.dsc$w_length = strlen(logical); + + itmlst[0].code = LNM$_STRING; + itmlst[0].length = 255; + itmlst[0].buffer_addr = result; + itmlst[0].retlenaddr = &l; + + itmlst[1].code = 0; + itmlst[1].length = 0; + itmlst[1].buffer_addr = 0; + itmlst[1].retlenaddr = 0; + + iss = sys$trnlnm(0, &d_table, &d_log, 0, itmlst); + if (iss == SS$_NOLOGNAM) { + iss = SS$_NORMAL; + l = 0; + } + if (!(iss&1)) lib$signal(iss); + result[l] = '\0'; +/* + logicals for PPFs have a 4 byte prefix ESC+NUL+(RMS IFI) + strip it off and return the ifi, if any +*/ + ifi = 0; + if (result[0] == 0x1b && result[1] == 0x00) { + memcpy(&ifi,result+2,2); + strcpy(result,result+4); + } + return ifi; /* this is the RMS internal file id */ +} - if (info->done) retsts = info->completion; - else waitpid(info->pid,(int *) &retsts,0); +static void pipe_infromchild_ast(pPipe p); - /* remove from list of open pipes */ - if (last) last->next = info->next; - else open_pipes = info->next; - Safefree(info); +/* + I'm using LIB$(GET|FREE)_VM here so that we can allocate and deallocate + inside an AST routine without worrying about reentrancy and which Perl + memory allocator is being used. - return retsts; + We read data and queue up the buffers, then spit them out one at a + time to the output mailbox when the output mailbox is ready for one. -} /* end of my_pclose() */ +*/ +#define INITIAL_TOCHILDQUEUE 2 -/* sort-of waitpid; use only with popen() */ -/*{{{unsigned long int waitpid(unsigned long int pid, int *statusp, int flags)*/ -unsigned long int -waitpid(unsigned long int pid, int *statusp, int flags) +static pPipe +pipe_tochild_setup(pTHX_ char *rmbx, char *wmbx) { - struct pipe_details *info; - - for (info = open_pipes; info != NULL; info = info->next) - if (info->pid == pid) break; + pPipe p; + pCBuf b; + char mbx1[64], mbx2[64]; + struct dsc$descriptor_s d_mbx1 = {sizeof mbx1, DSC$K_DTYPE_T, + DSC$K_CLASS_S, mbx1}, + d_mbx2 = {sizeof mbx2, DSC$K_DTYPE_T, + DSC$K_CLASS_S, mbx2}; + unsigned int dviitm = DVI$_DEVBUFSIZ; + int j, n; + + New(1368, p, 1, Pipe); + + create_mbx(aTHX_ &p->chan_in , &d_mbx1); + create_mbx(aTHX_ &p->chan_out, &d_mbx2); + _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize)); + + p->buf = 0; + p->shut_on_empty = FALSE; + p->need_wake = FALSE; + p->type = 0; + p->retry = 0; + p->iosb.status = SS$_NORMAL; + p->iosb2.status = SS$_NORMAL; + p->free = RQE_ZERO; + p->wait = RQE_ZERO; + p->curr = 0; + p->curr2 = 0; + p->info = 0; +#ifdef PERL_IMPLICIT_CONTEXT + p->thx = aTHX; +#endif - if (info != NULL) { /* we know about this child */ - while (!info->done) { - waitpid_asleep = 1; - sys$hiber(); - } + n = sizeof(CBuf) + p->bufsize; - *statusp = info->completion; - return pid; + for (j = 0; j < INITIAL_TOCHILDQUEUE; j++) { + _ckvmssts(lib$get_vm(&n, &b)); + b->buf = (char *) b + sizeof(CBuf); + _ckvmssts(lib$insqhi(b, &p->free)); } - else { /* we haven't heard of this child */ - $DESCRIPTOR(intdsc,"0 00:00:01"); - unsigned long int ownercode = JPI$_OWNER, ownerpid, mypid; - unsigned long int interval[2],sts; - if (dowarn) { - _ckvmssts(lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0)); - _ckvmssts(lib$getjpi(&ownercode,0,0,&mypid,0,0)); - if (ownerpid != mypid) - warn("pid %d not a child",pid); - } + pipe_tochild2_ast(p); + pipe_tochild1_ast(p); + strcpy(wmbx, mbx1); + strcpy(rmbx, mbx2); + return p; +} + +/* reads the MBX Perl is writing, and queues */ + +static void +pipe_tochild1_ast(pPipe p) +{ + pCBuf b = p->curr; + int iss = p->iosb.status; + int eof = (iss == SS$_ENDOFFILE); +#ifdef PERL_IMPLICIT_CONTEXT + pTHX = p->thx; +#endif + + if (p->retry) { + if (eof) { + p->shut_on_empty = TRUE; + b->eof = TRUE; + _ckvmssts(sys$dassgn(p->chan_in)); + } else { + _ckvmssts(iss); + } + + b->eof = eof; + b->size = p->iosb.count; + _ckvmssts(lib$insqhi(b, &p->wait)); + if (p->need_wake) { + p->need_wake = FALSE; + _ckvmssts(sys$dclast(pipe_tochild2_ast,p,0)); + } + } else { + p->retry = 1; /* initial call */ + } + + if (eof) { /* flush the free queue, return when done */ + int n = sizeof(CBuf) + p->bufsize; + while (1) { + iss = lib$remqti(&p->free, &b); + if (iss == LIB$_QUEWASEMP) return; + _ckvmssts(iss); + _ckvmssts(lib$free_vm(&n, &b)); + } + } + + iss = lib$remqti(&p->free, &b); + if (iss == LIB$_QUEWASEMP) { + int n = sizeof(CBuf) + p->bufsize; + _ckvmssts(lib$get_vm(&n, &b)); + b->buf = (char *) b + sizeof(CBuf); + } else { + _ckvmssts(iss); + } + + p->curr = b; + iss = sys$qio(0,p->chan_in, + IO$_READVBLK|(p->shut_on_empty ? IO$M_NOWAIT : 0), + &p->iosb, + pipe_tochild1_ast, p, b->buf, p->bufsize, 0, 0, 0, 0); + if (iss == SS$_ENDOFFILE && p->shut_on_empty) iss = SS$_NORMAL; + _ckvmssts(iss); +} + + +/* writes queued buffers to output, waits for each to complete before + doing the next */ + +static void +pipe_tochild2_ast(pPipe p) +{ + pCBuf b = p->curr2; + int iss = p->iosb2.status; + int n = sizeof(CBuf) + p->bufsize; + int done = (p->info && p->info->done) || + iss == SS$_CANCEL || iss == SS$_ABORT; +#if defined(PERL_IMPLICIT_CONTEXT) + pTHX = p->thx; +#endif + + do { + if (p->type) { /* type=1 has old buffer, dispose */ + if (p->shut_on_empty) { + _ckvmssts(lib$free_vm(&n, &b)); + } else { + _ckvmssts(lib$insqhi(b, &p->free)); + } + p->type = 0; + } + + iss = lib$remqti(&p->wait, &b); + if (iss == LIB$_QUEWASEMP) { + if (p->shut_on_empty) { + if (done) { + _ckvmssts(sys$dassgn(p->chan_out)); + *p->pipe_done = TRUE; + _ckvmssts(sys$setef(pipe_ef)); + } else { + _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF, + &p->iosb2, pipe_tochild2_ast, p, 0, 0, 0, 0, 0, 0)); + } + return; + } + p->need_wake = TRUE; + return; + } + _ckvmssts(iss); + p->type = 1; + } while (done); + + + p->curr2 = b; + if (b->eof) { + _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF, + &p->iosb2, pipe_tochild2_ast, p, 0, 0, 0, 0, 0, 0)); + } else { + _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEVBLK, + &p->iosb2, pipe_tochild2_ast, p, b->buf, b->size, 0, 0, 0, 0)); + } + + return; + +} + + +static pPipe +pipe_infromchild_setup(pTHX_ char *rmbx, char *wmbx) +{ + pPipe p; + char mbx1[64], mbx2[64]; + struct dsc$descriptor_s d_mbx1 = {sizeof mbx1, DSC$K_DTYPE_T, + DSC$K_CLASS_S, mbx1}, + d_mbx2 = {sizeof mbx2, DSC$K_DTYPE_T, + DSC$K_CLASS_S, mbx2}; + unsigned int dviitm = DVI$_DEVBUFSIZ; + + New(1367, p, 1, Pipe); + create_mbx(aTHX_ &p->chan_in , &d_mbx1); + create_mbx(aTHX_ &p->chan_out, &d_mbx2); + + _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize)); + New(1367, p->buf, p->bufsize, char); + p->shut_on_empty = FALSE; + p->info = 0; + p->type = 0; + p->iosb.status = SS$_NORMAL; +#if defined(PERL_IMPLICIT_CONTEXT) + p->thx = aTHX; +#endif + pipe_infromchild_ast(p); + + strcpy(wmbx, mbx1); + strcpy(rmbx, mbx2); + return p; +} + +static void +pipe_infromchild_ast(pPipe p) +{ + int iss = p->iosb.status; + int eof = (iss == SS$_ENDOFFILE); + int myeof = (eof && (p->iosb.dvispec == mypid || p->iosb.dvispec == 0)); + int kideof = (eof && (p->iosb.dvispec == p->info->pid)); +#if defined(PERL_IMPLICIT_CONTEXT) + pTHX = p->thx; +#endif + + if (p->info && p->info->closing && p->chan_out) { /* output shutdown */ + _ckvmssts(sys$dassgn(p->chan_out)); + p->chan_out = 0; + } + + /* read completed: + input shutdown if EOF from self (done or shut_on_empty) + output shutdown if closing flag set (my_pclose) + send data/eof from child or eof from self + otherwise, re-read (snarf of data from child) + */ + + if (p->type == 1) { + p->type = 0; + if (myeof && p->chan_in) { /* input shutdown */ + _ckvmssts(sys$dassgn(p->chan_in)); + p->chan_in = 0; + } + + if (p->chan_out) { + if (myeof || kideof) { /* pass EOF to parent */ + _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF, &p->iosb, + pipe_infromchild_ast, p, + 0, 0, 0, 0, 0, 0)); + return; + } else if (eof) { /* eat EOF --- fall through to read*/ + + } else { /* transmit data */ + _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEVBLK,&p->iosb, + pipe_infromchild_ast,p, + p->buf, p->iosb.count, 0, 0, 0, 0)); + return; + } + } + } + + /* everything shut? flag as done */ + + if (!p->chan_in && !p->chan_out) { + *p->pipe_done = TRUE; + _ckvmssts(sys$setef(pipe_ef)); + return; + } + + /* write completed (or read, if snarfing from child) + if still have input active, + queue read...immediate mode if shut_on_empty so we get EOF if empty + otherwise, + check if Perl reading, generate EOFs as needed + */ + + if (p->type == 0) { + p->type = 1; + if (p->chan_in) { + iss = sys$qio(0,p->chan_in,IO$_READVBLK|(p->shut_on_empty ? IO$M_NOW : 0),&p->iosb, + pipe_infromchild_ast,p, + p->buf, p->bufsize, 0, 0, 0, 0); + if (p->shut_on_empty && iss == SS$_ENDOFFILE) iss = SS$_NORMAL; + _ckvmssts(iss); + } else { /* send EOFs for extra reads */ + p->iosb.status = SS$_ENDOFFILE; + p->iosb.dvispec = 0; + _ckvmssts(sys$qio(0,p->chan_out,IO$_SETMODE|IO$M_READATTN, + 0, 0, 0, + pipe_infromchild_ast, p, 0, 0, 0, 0)); + } + } +} + +static pPipe +pipe_mbxtofd_setup(pTHX_ int fd, char *out) +{ + pPipe p; + char mbx[64]; + unsigned long dviitm = DVI$_DEVBUFSIZ; + struct stat s; + struct dsc$descriptor_s d_mbx = {sizeof mbx, DSC$K_DTYPE_T, + DSC$K_CLASS_S, mbx}; + + /* things like terminals and mbx's don't need this filter */ + if (fd && fstat(fd,&s) == 0) { + unsigned long dviitm = DVI$_DEVCHAR, devchar; + struct dsc$descriptor_s d_dev = {strlen(s.st_dev), DSC$K_DTYPE_T, + DSC$K_CLASS_S, s.st_dev}; + + _ckvmssts(lib$getdvi(&dviitm,0,&d_dev,&devchar,0,0)); + if (!(devchar & DEV$M_DIR)) { /* non directory structured...*/ + strcpy(out, s.st_dev); + return 0; + } + } + + New(1366, p, 1, Pipe); + p->fd_out = dup(fd); + create_mbx(aTHX_ &p->chan_in, &d_mbx); + _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize)); + New(1366, p->buf, p->bufsize+1, char); + p->shut_on_empty = FALSE; + p->retry = 0; + p->info = 0; + strcpy(out, mbx); + + _ckvmssts(sys$qio(0, p->chan_in, IO$_READVBLK, &p->iosb, + pipe_mbxtofd_ast, p, + p->buf, p->bufsize, 0, 0, 0, 0)); + + return p; +} + +static void +pipe_mbxtofd_ast(pPipe p) +{ + int iss = p->iosb.status; + int done = p->info->done; + int iss2; + int eof = (iss == SS$_ENDOFFILE); + int myeof = eof && ((p->iosb.dvispec == mypid)||(p->iosb.dvispec == 0)); + int err = !(iss&1) && !eof; +#if defined(PERL_IMPLICIT_CONTEXT) + pTHX = p->thx; +#endif + + if (done && myeof) { /* end piping */ + close(p->fd_out); + sys$dassgn(p->chan_in); + *p->pipe_done = TRUE; + _ckvmssts(sys$setef(pipe_ef)); + return; + } + + if (!err && !eof) { /* good data to send to file */ + p->buf[p->iosb.count] = '\n'; + iss2 = write(p->fd_out, p->buf, p->iosb.count+1); + if (iss2 < 0) { + p->retry++; + if (p->retry < MAX_RETRY) { + _ckvmssts(sys$setimr(0,delaytime,pipe_mbxtofd_ast,p)); + return; + } + } + p->retry = 0; + } else if (err) { + _ckvmssts(iss); + } + + + iss = sys$qio(0, p->chan_in, IO$_READVBLK|(p->shut_on_empty ? IO$M_NOW : 0), &p->iosb, + pipe_mbxtofd_ast, p, + p->buf, p->bufsize, 0, 0, 0, 0); + if (p->shut_on_empty && (iss == SS$_ENDOFFILE)) iss = SS$_NORMAL; + _ckvmssts(iss); +} + + +typedef struct _pipeloc PLOC; +typedef struct _pipeloc* pPLOC; + +struct _pipeloc { + pPLOC next; + char dir[NAM$C_MAXRSS+1]; +}; +static pPLOC head_PLOC = 0; + +void +free_pipelocs(pTHX_ void *head) +{ + pPLOC p, pnext; + pPLOC *pHead = (pPLOC *)head; + + p = *pHead; + while (p) { + pnext = p->next; + Safefree(p); + p = pnext; + } + *pHead = 0; +} + +static void +store_pipelocs(pTHX) +{ + int i; + pPLOC p; + AV *av = 0; + SV *dirsv; + GV *gv; + char *dir, *x; + char *unixdir; + char temp[NAM$C_MAXRSS+1]; + STRLEN n_a; + + if (head_PLOC) + free_pipelocs(aTHX_ &head_PLOC); + +/* the . directory from @INC comes last */ + + New(1370,p,1,PLOC); + p->next = head_PLOC; + head_PLOC = p; + strcpy(p->dir,"./"); + +/* get the directory from $^X */ + +#ifdef PERL_IMPLICIT_CONTEXT + if (aTHX && PL_origargv && PL_origargv[0]) { /* maybe nul if embedded Perl */ +#else + if (PL_origargv && PL_origargv[0]) { /* maybe nul if embedded Perl */ +#endif + strcpy(temp, PL_origargv[0]); + x = strrchr(temp,']'); + if (x) x[1] = '\0'; + + if ((unixdir = tounixpath(temp, Nullch)) != Nullch) { + New(1370,p,1,PLOC); + p->next = head_PLOC; + head_PLOC = p; + strncpy(p->dir,unixdir,sizeof(p->dir)-1); + p->dir[NAM$C_MAXRSS] = '\0'; + } + } + +/* reverse order of @INC entries, skip "." since entered above */ + +#ifdef PERL_IMPLICIT_CONTEXT + if (aTHX) +#endif + if (PL_incgv) av = GvAVn(PL_incgv); + + for (i = 0; av && i <= AvFILL(av); i++) { + dirsv = *av_fetch(av,i,TRUE); + + if (SvROK(dirsv)) continue; + dir = SvPVx(dirsv,n_a); + if (strcmp(dir,".") == 0) continue; + if ((unixdir = tounixpath(dir, Nullch)) == Nullch) + continue; + + New(1370,p,1,PLOC); + p->next = head_PLOC; + head_PLOC = p; + strncpy(p->dir,unixdir,sizeof(p->dir)-1); + p->dir[NAM$C_MAXRSS] = '\0'; + } + +/* most likely spot (ARCHLIB) put first in the list */ + +#ifdef ARCHLIB_EXP + if ((unixdir = tounixpath(ARCHLIB_EXP, Nullch)) != Nullch) { + New(1370,p,1,PLOC); + p->next = head_PLOC; + head_PLOC = p; + strncpy(p->dir,unixdir,sizeof(p->dir)-1); + p->dir[NAM$C_MAXRSS] = '\0'; + } +#endif +} + + +static char * +find_vmspipe(pTHX) +{ + static int vmspipe_file_status = 0; + static char vmspipe_file[NAM$C_MAXRSS+1]; + + /* already found? Check and use ... need read+execute permission */ + + if (vmspipe_file_status == 1) { + if (cando_by_name(S_IRUSR, 0, vmspipe_file) + && cando_by_name(S_IXUSR, 0, vmspipe_file)) { + return vmspipe_file; + } + vmspipe_file_status = 0; + } + + /* scan through stored @INC, $^X */ + + if (vmspipe_file_status == 0) { + char file[NAM$C_MAXRSS+1]; + pPLOC p = head_PLOC; + + while (p) { + strcpy(file, p->dir); + strncat(file, "vmspipe.com",NAM$C_MAXRSS); + file[NAM$C_MAXRSS] = '\0'; + p = p->next; + + if (!do_tovmsspec(file,vmspipe_file,0)) continue; + + if (cando_by_name(S_IRUSR, 0, vmspipe_file) + && cando_by_name(S_IXUSR, 0, vmspipe_file)) { + vmspipe_file_status = 1; + return vmspipe_file; + } + } + vmspipe_file_status = -1; /* failed, use tempfiles */ + } + + return 0; +} + +static FILE * +vmspipe_tempfile(pTHX) +{ + char file[NAM$C_MAXRSS+1]; + FILE *fp; + static int index = 0; + stat_t s0, s1; + + /* create a tempfile */ + + /* we can't go from W, shr=get to R, shr=get without + an intermediate vulnerable state, so don't bother trying... + + and lib$spawn doesn't shr=put, so have to close the write + + So... match up the creation date/time and the FID to + make sure we're dealing with the same file + + */ + + index++; + sprintf(file,"sys$scratch:perlpipe_%08.8x_%d.com",mypid,index); + fp = fopen(file,"w"); + if (!fp) { + sprintf(file,"sys$login:perlpipe_%08.8x_%d.com",mypid,index); + fp = fopen(file,"w"); + if (!fp) { + sprintf(file,"sys$disk:[]perlpipe_%08.8x_%d.com",mypid,index); + fp = fopen(file,"w"); + } + } + if (!fp) return 0; /* we're hosed */ + + fprintf(fp,"$! 'f$verify(0)'\n"); + fprintf(fp,"$! --- protect against nonstandard definitions ---\n"); + fprintf(fp,"$ perl_cfile = f$environment(\"procedure\")\n"); + fprintf(fp,"$ perl_define = \"define/nolog\"\n"); + fprintf(fp,"$ perl_on = \"set noon\"\n"); + fprintf(fp,"$ perl_exit = \"exit\"\n"); + fprintf(fp,"$ perl_del = \"delete\"\n"); + fprintf(fp,"$ pif = \"if\"\n"); + fprintf(fp,"$! --- define i/o redirection (sys$output set by lib$spawn)\n"); + fprintf(fp,"$ pif perl_popen_in .nes. \"\" then perl_define/user/name_attributes=confine sys$input 'perl_popen_in'\n"); + fprintf(fp,"$ pif perl_popen_err .nes. \"\" then perl_define/user/name_attributes=confine sys$error 'perl_popen_err'\n"); + fprintf(fp,"$ pif perl_popen_out .nes. \"\" then perl_define sys$output 'perl_popen_out'\n"); + fprintf(fp,"$! --- build command line to get max possible length\n"); + fprintf(fp,"$c=perl_popen_cmd0\n"); + fprintf(fp,"$c=c+perl_popen_cmd1\n"); + fprintf(fp,"$c=c+perl_popen_cmd2\n"); + fprintf(fp,"$x=perl_popen_cmd3\n"); + fprintf(fp,"$c=c+x\n"); + fprintf(fp,"$ perl_on\n"); + fprintf(fp,"$ 'c'\n"); + fprintf(fp,"$ perl_status = $STATUS\n"); + fprintf(fp,"$ perl_del 'perl_cfile'\n"); + fprintf(fp,"$ perl_exit 'perl_status'\n"); + fsync(fileno(fp)); + + fgetname(fp, file, 1); + fstat(fileno(fp), &s0); + fclose(fp); + + fp = fopen(file,"r","shr=get"); + if (!fp) return 0; + fstat(fileno(fp), &s1); + + if (s0.st_ino[0] != s1.st_ino[0] || + s0.st_ino[1] != s1.st_ino[1] || + s0.st_ino[2] != s1.st_ino[2] || + s0.st_ctime != s1.st_ctime ) { + fclose(fp); + return 0; + } + + return fp; +} + + + +static PerlIO * +safe_popen(pTHX_ char *cmd, char *in_mode, int *psts) +{ + static int handler_set_up = FALSE; + unsigned long int sts, flags = CLI$M_NOWAIT; + /* The use of a GLOBAL table (as was done previously) rendered + * Perl's qx() or `` unusable from a C<$ SET SYMBOL/SCOPE=NOGLOBAL> DCL + * environment. Hence we've switched to LOCAL symbol table. + */ + unsigned int table = LIB$K_CLI_LOCAL_SYM; + int j, wait = 0; + char *p, mode[10], symbol[MAX_DCL_SYMBOL+1], *vmspipe; + char in[512], out[512], err[512], mbx[512]; + FILE *tpipe = 0; + char tfilebuf[NAM$C_MAXRSS+1]; + pInfo info; + char cmd_sym_name[20]; + struct dsc$descriptor_s d_symbol= {0, DSC$K_DTYPE_T, + DSC$K_CLASS_S, symbol}; + struct dsc$descriptor_s vmspipedsc = {0, DSC$K_DTYPE_T, + DSC$K_CLASS_S, 0}; + struct dsc$descriptor_s d_sym_cmd = {0, DSC$K_DTYPE_T, + DSC$K_CLASS_S, cmd_sym_name}; + struct dsc$descriptor_s *vmscmd; + $DESCRIPTOR(d_sym_in ,"PERL_POPEN_IN"); + $DESCRIPTOR(d_sym_out,"PERL_POPEN_OUT"); + $DESCRIPTOR(d_sym_err,"PERL_POPEN_ERR"); + + if (!head_PLOC) store_pipelocs(aTHX); /* at least TRY to use a static vmspipe file */ + + /* once-per-program initialization... + note that the SETAST calls and the dual test of pipe_ef + makes sure that only the FIRST thread through here does + the initialization...all other threads wait until it's + done. + + Yeah, uglier than a pthread call, it's got all the stuff inline + rather than in a separate routine. + */ + + if (!pipe_ef) { + _ckvmssts(sys$setast(0)); + if (!pipe_ef) { + unsigned long int pidcode = JPI$_PID; + $DESCRIPTOR(d_delay, RETRY_DELAY); + _ckvmssts(lib$get_ef(&pipe_ef)); + _ckvmssts(lib$getjpi(&pidcode,0,0,&mypid,0,0)); + _ckvmssts(sys$bintim(&d_delay, delaytime)); + } + if (!handler_set_up) { + _ckvmssts(sys$dclexh(&pipe_exitblock)); + handler_set_up = TRUE; + } + _ckvmssts(sys$setast(1)); + } + + /* see if we can find a VMSPIPE.COM */ + + tfilebuf[0] = '@'; + vmspipe = find_vmspipe(aTHX); + if (vmspipe) { + strcpy(tfilebuf+1,vmspipe); + } else { /* uh, oh...we're in tempfile hell */ + tpipe = vmspipe_tempfile(aTHX); + if (!tpipe) { /* a fish popular in Boston */ + if (ckWARN(WARN_PIPE)) { + Perl_warner(aTHX_ packWARN(WARN_PIPE),"unable to find VMSPIPE.COM for i/o piping"); + } + return Nullfp; + } + fgetname(tpipe,tfilebuf+1,1); + } + vmspipedsc.dsc$a_pointer = tfilebuf; + vmspipedsc.dsc$w_length = strlen(tfilebuf); + + sts = setup_cmddsc(aTHX_ cmd,0,0,&vmscmd); + if (!(sts & 1)) { + switch (sts) { + case RMS$_FNF: case RMS$_DNF: + set_errno(ENOENT); break; + case RMS$_DIR: + set_errno(ENOTDIR); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_PRV: + set_errno(EACCES); break; + case RMS$_SYN: + set_errno(EINVAL); break; + case CLI$_BUFOVF: case RMS$_RTB: case CLI$_TKNOVF: case CLI$_RSLOVF: + set_errno(E2BIG); break; + case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */ + _ckvmssts(sts); /* fall through */ + default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */ + set_errno(EVMSERR); + } + set_vaxc_errno(sts); + if (*mode != 'n' && ckWARN(WARN_PIPE)) { + Perl_warner(aTHX_ packWARN(WARN_PIPE),"Can't pipe \"%*s\": %s", strlen(cmd), cmd, Strerror(errno)); + } + *psts = sts; + return Nullfp; + } + New(1301,info,1,Info); + + strcpy(mode,in_mode); + info->mode = *mode; + info->done = FALSE; + info->completion = 0; + info->closing = FALSE; + info->in = 0; + info->out = 0; + info->err = 0; + info->fp = Nullfp; + info->useFILE = 0; + info->waiting = 0; + info->in_done = TRUE; + info->out_done = TRUE; + info->err_done = TRUE; + in[0] = out[0] = err[0] = '\0'; + + if ((p = strchr(mode,'F')) != NULL) { /* F -> use FILE* */ + info->useFILE = 1; + strcpy(p,p+1); + } + if ((p = strchr(mode,'W')) != NULL) { /* W -> wait for completion */ + wait = 1; + strcpy(p,p+1); + } + + if (*mode == 'r') { /* piping from subroutine */ + + info->out = pipe_infromchild_setup(aTHX_ mbx,out); + if (info->out) { + info->out->pipe_done = &info->out_done; + info->out_done = FALSE; + info->out->info = info; + } + if (!info->useFILE) { + info->fp = PerlIO_open(mbx, mode); + } else { + info->fp = (PerlIO *) freopen(mbx, mode, stdin); + Perl_vmssetuserlnm(aTHX_ "SYS$INPUT",mbx); + } + + if (!info->fp && info->out) { + sys$cancel(info->out->chan_out); + + while (!info->out_done) { + int done; + _ckvmssts(sys$setast(0)); + done = info->out_done; + if (!done) _ckvmssts(sys$clref(pipe_ef)); + _ckvmssts(sys$setast(1)); + if (!done) _ckvmssts(sys$waitfr(pipe_ef)); + } + + if (info->out->buf) Safefree(info->out->buf); + Safefree(info->out); + Safefree(info); + *psts = RMS$_FNF; + return Nullfp; + } + + info->err = pipe_mbxtofd_setup(aTHX_ fileno(stderr), err); + if (info->err) { + info->err->pipe_done = &info->err_done; + info->err_done = FALSE; + info->err->info = info; + } + + } else if (*mode == 'w') { /* piping to subroutine */ + + info->out = pipe_mbxtofd_setup(aTHX_ fileno(stdout), out); + if (info->out) { + info->out->pipe_done = &info->out_done; + info->out_done = FALSE; + info->out->info = info; + } + + info->err = pipe_mbxtofd_setup(aTHX_ fileno(stderr), err); + if (info->err) { + info->err->pipe_done = &info->err_done; + info->err_done = FALSE; + info->err->info = info; + } + + info->in = pipe_tochild_setup(aTHX_ in,mbx); + if (!info->useFILE) { + info->fp = PerlIO_open(mbx, mode); + } else { + info->fp = (PerlIO *) freopen(mbx, mode, stdout); + Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT",mbx); + } + + if (info->in) { + info->in->pipe_done = &info->in_done; + info->in_done = FALSE; + info->in->info = info; + } + + /* error cleanup */ + if (!info->fp && info->in) { + info->done = TRUE; + _ckvmssts(sys$qiow(0,info->in->chan_in, IO$_WRITEOF, 0, + 0, 0, 0, 0, 0, 0, 0, 0)); + + while (!info->in_done) { + int done; + _ckvmssts(sys$setast(0)); + done = info->in_done; + if (!done) _ckvmssts(sys$clref(pipe_ef)); + _ckvmssts(sys$setast(1)); + if (!done) _ckvmssts(sys$waitfr(pipe_ef)); + } + + if (info->in->buf) Safefree(info->in->buf); + Safefree(info->in); + Safefree(info); + *psts = RMS$_FNF; + return Nullfp; + } + + + } else if (*mode == 'n') { /* separate subprocess, no Perl i/o */ + info->out = pipe_mbxtofd_setup(aTHX_ fileno(stdout), out); + if (info->out) { + info->out->pipe_done = &info->out_done; + info->out_done = FALSE; + info->out->info = info; + } + + info->err = pipe_mbxtofd_setup(aTHX_ fileno(stderr), err); + if (info->err) { + info->err->pipe_done = &info->err_done; + info->err_done = FALSE; + info->err->info = info; + } + } + + symbol[MAX_DCL_SYMBOL] = '\0'; + + strncpy(symbol, in, MAX_DCL_SYMBOL); + d_symbol.dsc$w_length = strlen(symbol); + _ckvmssts(lib$set_symbol(&d_sym_in, &d_symbol, &table)); + + strncpy(symbol, err, MAX_DCL_SYMBOL); + d_symbol.dsc$w_length = strlen(symbol); + _ckvmssts(lib$set_symbol(&d_sym_err, &d_symbol, &table)); + + strncpy(symbol, out, MAX_DCL_SYMBOL); + d_symbol.dsc$w_length = strlen(symbol); + _ckvmssts(lib$set_symbol(&d_sym_out, &d_symbol, &table)); + + p = vmscmd->dsc$a_pointer; + while (*p && *p != '\n') p++; + *p = '\0'; /* truncate on \n */ + p = vmscmd->dsc$a_pointer; + while (*p == ' ' || *p == '\t') p++; /* remove leading whitespace */ + if (*p == '$') p++; /* remove leading $ */ + while (*p == ' ' || *p == '\t') p++; + + for (j = 0; j < 4; j++) { + sprintf(cmd_sym_name,"PERL_POPEN_CMD%d",j); + d_sym_cmd.dsc$w_length = strlen(cmd_sym_name); + + strncpy(symbol, p, MAX_DCL_SYMBOL); + d_symbol.dsc$w_length = strlen(symbol); + _ckvmssts(lib$set_symbol(&d_sym_cmd, &d_symbol, &table)); + + if (strlen(p) > MAX_DCL_SYMBOL) { + p += MAX_DCL_SYMBOL; + } else { + p += strlen(p); + } + } + _ckvmssts(sys$setast(0)); + info->next=open_pipes; /* prepend to list */ + open_pipes=info; + _ckvmssts(sys$setast(1)); + /* Omit arg 2 (input file) so the child will get the parent's SYS$INPUT + * and SYS$COMMAND. vmspipe.com will redefine SYS$INPUT, but we'll still + * have SYS$COMMAND if we need it. + */ + _ckvmssts(lib$spawn(&vmspipedsc, 0, &nl_desc, &flags, + 0, &info->pid, &info->completion, + 0, popen_completion_ast,info,0,0,0)); + + /* if we were using a tempfile, close it now */ + + if (tpipe) fclose(tpipe); + + /* once the subprocess is spawned, it has copied the symbols and + we can get rid of ours */ + + for (j = 0; j < 4; j++) { + sprintf(cmd_sym_name,"PERL_POPEN_CMD%d",j); + d_sym_cmd.dsc$w_length = strlen(cmd_sym_name); + _ckvmssts(lib$delete_symbol(&d_sym_cmd, &table)); + } + _ckvmssts(lib$delete_symbol(&d_sym_in, &table)); + _ckvmssts(lib$delete_symbol(&d_sym_err, &table)); + _ckvmssts(lib$delete_symbol(&d_sym_out, &table)); + vms_execfree(vmscmd); + +#ifdef PERL_IMPLICIT_CONTEXT + if (aTHX) +#endif + PL_forkprocess = info->pid; + + if (wait) { + int done = 0; + while (!done) { + _ckvmssts(sys$setast(0)); + done = info->done; + if (!done) _ckvmssts(sys$clref(pipe_ef)); + _ckvmssts(sys$setast(1)); + if (!done) _ckvmssts(sys$waitfr(pipe_ef)); + } + *psts = info->completion; + my_pclose(info->fp); + } else { + *psts = SS$_NORMAL; + } + return info->fp; +} /* end of safe_popen */ + + +/*{{{ PerlIO *my_popen(char *cmd, char *mode)*/ +PerlIO * +Perl_my_popen(pTHX_ char *cmd, char *mode) +{ + int sts; + TAINT_ENV(); + TAINT_PROPER("popen"); + PERL_FLUSHALL_FOR_CHILD; + return safe_popen(aTHX_ cmd,mode,&sts); +} + +/*}}}*/ + +/*{{{ I32 my_pclose(PerlIO *fp)*/ +I32 Perl_my_pclose(pTHX_ PerlIO *fp) +{ + pInfo info, last = NULL; + unsigned long int retsts; + int done, iss; + + for (info = open_pipes; info != NULL; last = info, info = info->next) + if (info->fp == fp) break; + + if (info == NULL) { /* no such pipe open */ + set_errno(ECHILD); /* quoth POSIX */ + set_vaxc_errno(SS$_NONEXPR); + return -1; + } + + /* If we were writing to a subprocess, insure that someone reading from + * the mailbox gets an EOF. It looks like a simple fclose() doesn't + * produce an EOF record in the mailbox. + * + * well, at least sometimes it *does*, so we have to watch out for + * the first EOF closing the pipe (and DASSGN'ing the channel)... + */ + if (info->fp) { + if (!info->useFILE) + PerlIO_flush(info->fp); /* first, flush data */ + else + fflush((FILE *)info->fp); + } + + _ckvmssts(sys$setast(0)); + info->closing = TRUE; + done = info->done && info->in_done && info->out_done && info->err_done; + /* hanging on write to Perl's input? cancel it */ + if (info->mode == 'r' && info->out && !info->out_done) { + if (info->out->chan_out) { + _ckvmssts(sys$cancel(info->out->chan_out)); + if (!info->out->chan_in) { /* EOF generation, need AST */ + _ckvmssts(sys$dclast(pipe_infromchild_ast,info->out,0)); + } + } + } + if (info->in && !info->in_done && !info->in->shut_on_empty) /* EOF if hasn't had one yet */ + _ckvmssts(sys$qio(0,info->in->chan_in,IO$_WRITEOF,0,0,0, + 0, 0, 0, 0, 0, 0)); + _ckvmssts(sys$setast(1)); + if (info->fp) { + if (!info->useFILE) + PerlIO_close(info->fp); + else + fclose((FILE *)info->fp); + } + /* + we have to wait until subprocess completes, but ALSO wait until all + the i/o completes...otherwise we'll be freeing the "info" structure + that the i/o ASTs could still be using... + */ + + while (!done) { + _ckvmssts(sys$setast(0)); + done = info->done && info->in_done && info->out_done && info->err_done; + if (!done) _ckvmssts(sys$clref(pipe_ef)); + _ckvmssts(sys$setast(1)); + if (!done) _ckvmssts(sys$waitfr(pipe_ef)); + } + retsts = info->completion; + + /* remove from list of open pipes */ + _ckvmssts(sys$setast(0)); + if (last) last->next = info->next; + else open_pipes = info->next; + _ckvmssts(sys$setast(1)); + + /* free buffers and structures */ + + if (info->in) { + if (info->in->buf) Safefree(info->in->buf); + Safefree(info->in); + } + if (info->out) { + if (info->out->buf) Safefree(info->out->buf); + Safefree(info->out); + } + if (info->err) { + if (info->err->buf) Safefree(info->err->buf); + Safefree(info->err); + } + Safefree(info); + + return retsts; + +} /* end of my_pclose() */ + +#if defined(__CRTL_VER) && __CRTL_VER >= 70200000 + /* Roll our own prototype because we want this regardless of whether + * _VMS_WAIT is defined. + */ + __pid_t __vms_waitpid( __pid_t __pid, int *__stat_loc, int __options ); +#endif +/* sort-of waitpid; special handling of pipe clean-up for subprocesses + created with popen(); otherwise partially emulate waitpid() unless + we have a suitable one from the CRTL that came with VMS 7.2 and later. + Also check processes not considered by the CRTL waitpid(). + */ +/*{{{Pid_t my_waitpid(Pid_t pid, int *statusp, int flags)*/ +Pid_t +Perl_my_waitpid(pTHX_ Pid_t pid, int *statusp, int flags) +{ + pInfo info; + int done; + int sts; + int j; + + if (statusp) *statusp = 0; + + for (info = open_pipes; info != NULL; info = info->next) + if (info->pid == pid) break; + + if (info != NULL) { /* we know about this child */ + while (!info->done) { + _ckvmssts(sys$setast(0)); + done = info->done; + if (!done) _ckvmssts(sys$clref(pipe_ef)); + _ckvmssts(sys$setast(1)); + if (!done) _ckvmssts(sys$waitfr(pipe_ef)); + } + + if (statusp) *statusp = info->completion; + return pid; + } + + /* child that already terminated? */ + + for (j = 0; j < NKEEPCLOSED && j < closed_num; j++) { + if (closed_list[j].pid == pid) { + if (statusp) *statusp = closed_list[j].completion; + return pid; + } + } + + /* fall through if this child is not one of our own pipe children */ + +#if defined(__CRTL_VER) && __CRTL_VER >= 70200000 + + /* waitpid() became available in the CRTL as of VMS 7.0, but only + * in 7.2 did we get a version that fills in the VMS completion + * status as Perl has always tried to do. + */ + + sts = __vms_waitpid( pid, statusp, flags ); + + if ( sts == 0 || !(sts == -1 && errno == ECHILD) ) + return sts; + + /* If the real waitpid tells us the child does not exist, we + * fall through here to implement waiting for a child that + * was created by some means other than exec() (say, spawned + * from DCL) or to wait for a process that is not a subprocess + * of the current process. + */ + +#endif /* defined(__CRTL_VER) && __CRTL_VER >= 70200000 */ + + { + $DESCRIPTOR(intdsc,"0 00:00:01"); + unsigned long int ownercode = JPI$_OWNER, ownerpid; + unsigned long int pidcode = JPI$_PID, mypid; + unsigned long int interval[2]; + unsigned int jpi_iosb[2]; + struct itmlst_3 jpilist[2] = { + {sizeof(ownerpid), JPI$_OWNER, &ownerpid, 0}, + { 0, 0, 0, 0} + }; + + if (pid <= 0) { + /* Sorry folks, we don't presently implement rooting around for + the first child we can find, and we definitely don't want to + pass a pid of -1 to $getjpi, where it is a wildcard operation. + */ + set_errno(ENOTSUP); + return -1; + } + + /* Get the owner of the child so I can warn if it's not mine. If the + * process doesn't exist or I don't have the privs to look at it, + * I can go home early. + */ + sts = sys$getjpiw(0,&pid,NULL,&jpilist,&jpi_iosb,NULL,NULL); + if (sts & 1) sts = jpi_iosb[0]; + if (!(sts & 1)) { + switch (sts) { + case SS$_NONEXPR: + set_errno(ECHILD); + break; + case SS$_NOPRIV: + set_errno(EACCES); + break; + default: + _ckvmssts(sts); + } + set_vaxc_errno(sts); + return -1; + } + + if (ckWARN(WARN_EXEC)) { + /* remind folks they are asking for non-standard waitpid behavior */ + _ckvmssts(lib$getjpi(&pidcode,0,0,&mypid,0,0)); + if (ownerpid != mypid) + Perl_warner(aTHX_ packWARN(WARN_EXEC), + "waitpid: process %x is not a child of process %x", + pid,mypid); + } + + /* simply check on it once a second until it's not there anymore. */ _ckvmssts(sys$bintim(&intdsc,interval)); while ((sts=lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0)) & 1) { - _ckvmssts(sys$schdwk(0,0,interval,0)); - _ckvmssts(sys$hiber()); + _ckvmssts(sys$schdwk(0,0,interval,0)); + _ckvmssts(sys$hiber()); } - _ckvmssts(sts); + if (sts == SS$_NONEXPR) sts = SS$_NORMAL; - /* There's no easy way to find the termination status a child we're - * not aware of beforehand. If we're really interested in the future, - * we can go looking for a termination mailbox, or chase after the - * accounting record for the process. - */ - *statusp = 0; + _ckvmssts(sts); return pid; } - -} /* end of waitpid() */ -/*}}}*/ -/*}}}*/ -/*}}}*/ - -/*{{{ char *my_gconvert(double val, int ndig, int trail, char *buf) */ -char * -my_gconvert(double val, int ndig, int trail, char *buf) -{ - static char __gcvtbuf[DBL_DIG+1]; - char *loc; +} /* end of waitpid() */ +/*}}}*/ +/*}}}*/ +/*}}}*/ + +/*{{{ char *my_gconvert(double val, int ndig, int trail, char *buf) */ +char * +my_gconvert(double val, int ndig, int trail, char *buf) +{ + static char __gcvtbuf[DBL_DIG+1]; + char *loc; + + loc = buf ? buf : __gcvtbuf; + +#ifndef __DECC /* VAXCRTL gcvt uses E format for numbers < 1 */ + if (val < 1) { + sprintf(loc,"%.*g",ndig,val); + return loc; + } +#endif + + if (val) { + if (!buf && ndig > DBL_DIG) ndig = DBL_DIG; + return gcvt(val,ndig,loc); + } + else { + loc[0] = '0'; loc[1] = '\0'; + return loc; + } + +} +/*}}}*/ + + +/*{{{char *do_rmsexpand(char *fspec, char *out, int ts, char *def, unsigned opts)*/ +/* Shortcut for common case of simple calls to $PARSE and $SEARCH + * to expand file specification. Allows for a single default file + * specification and a simple mask of options. If outbuf is non-NULL, + * it must point to a buffer at least NAM$C_MAXRSS bytes long, into which + * the resultant file specification is placed. If outbuf is NULL, the + * resultant file specification is placed into a static buffer. + * The third argument, if non-NULL, is taken to be a default file + * specification string. The fourth argument is unused at present. + * rmesexpand() returns the address of the resultant string if + * successful, and NULL on error. + */ +static char *mp_do_tounixspec(pTHX_ char *, char *, int); + +static char * +mp_do_rmsexpand(pTHX_ char *filespec, char *outbuf, int ts, char *defspec, unsigned opts) +{ + static char __rmsexpand_retbuf[NAM$C_MAXRSS+1]; + char vmsfspec[NAM$C_MAXRSS+1], tmpfspec[NAM$C_MAXRSS+1]; + char esa[NAM$C_MAXRSS], *cp, *out = NULL; + struct FAB myfab = cc$rms_fab; + struct NAM mynam = cc$rms_nam; + STRLEN speclen; + unsigned long int retsts, trimver, trimtype, haslower = 0, isunix = 0; + + if (!filespec || !*filespec) { + set_vaxc_errno(LIB$_INVARG); set_errno(EINVAL); + return NULL; + } + if (!outbuf) { + if (ts) out = New(1319,outbuf,NAM$C_MAXRSS+1,char); + else outbuf = __rmsexpand_retbuf; + } + if ((isunix = (strchr(filespec,'/') != NULL))) { + if (do_tovmsspec(filespec,vmsfspec,0) == NULL) return NULL; + filespec = vmsfspec; + } + + myfab.fab$l_fna = filespec; + myfab.fab$b_fns = strlen(filespec); + myfab.fab$l_nam = &mynam; + + if (defspec && *defspec) { + if (strchr(defspec,'/') != NULL) { + if (do_tovmsspec(defspec,tmpfspec,0) == NULL) return NULL; + defspec = tmpfspec; + } + myfab.fab$l_dna = defspec; + myfab.fab$b_dns = strlen(defspec); + } + + mynam.nam$l_esa = esa; + mynam.nam$b_ess = sizeof esa; + mynam.nam$l_rsa = outbuf; + mynam.nam$b_rss = NAM$C_MAXRSS; + + retsts = sys$parse(&myfab,0,0); + if (!(retsts & 1)) { + mynam.nam$b_nop |= NAM$M_SYNCHK; + if (retsts == RMS$_DNF || retsts == RMS$_DIR || retsts == RMS$_DEV) { + retsts = sys$parse(&myfab,0,0); + if (retsts & 1) goto expanded; + } + mynam.nam$l_rlf = NULL; myfab.fab$b_dns = 0; + (void) sys$parse(&myfab,0,0); /* Free search context */ + if (out) Safefree(out); + set_vaxc_errno(retsts); + if (retsts == RMS$_PRV) set_errno(EACCES); + else if (retsts == RMS$_DEV) set_errno(ENODEV); + else if (retsts == RMS$_DIR) set_errno(ENOTDIR); + else set_errno(EVMSERR); + return NULL; + } + retsts = sys$search(&myfab,0,0); + if (!(retsts & 1) && retsts != RMS$_FNF) { + mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL; + myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); /* Free search context */ + if (out) Safefree(out); + set_vaxc_errno(retsts); + if (retsts == RMS$_PRV) set_errno(EACCES); + else set_errno(EVMSERR); + return NULL; + } + + /* If the input filespec contained any lowercase characters, + * downcase the result for compatibility with Unix-minded code. */ + expanded: + for (out = myfab.fab$l_fna; *out; out++) + if (islower(*out)) { haslower = 1; break; } + if (mynam.nam$b_rsl) { out = outbuf; speclen = mynam.nam$b_rsl; } + else { out = esa; speclen = mynam.nam$b_esl; } + /* Trim off null fields added by $PARSE + * If type > 1 char, must have been specified in original or default spec + * (not true for version; $SEARCH may have added version of existing file). + */ + trimver = !(mynam.nam$l_fnb & NAM$M_EXP_VER); + trimtype = !(mynam.nam$l_fnb & NAM$M_EXP_TYPE) && + (mynam.nam$l_ver - mynam.nam$l_type == 1); + if (trimver || trimtype) { + if (defspec && *defspec) { + char defesa[NAM$C_MAXRSS]; + struct FAB deffab = cc$rms_fab; + struct NAM defnam = cc$rms_nam; + + deffab.fab$l_nam = &defnam; + deffab.fab$l_fna = defspec; deffab.fab$b_fns = myfab.fab$b_dns; + defnam.nam$l_esa = defesa; defnam.nam$b_ess = sizeof defesa; + defnam.nam$b_nop = NAM$M_SYNCHK; + if (sys$parse(&deffab,0,0) & 1) { + if (trimver) trimver = !(defnam.nam$l_fnb & NAM$M_EXP_VER); + if (trimtype) trimtype = !(defnam.nam$l_fnb & NAM$M_EXP_TYPE); + } + } + if (trimver) speclen = mynam.nam$l_ver - out; + if (trimtype) { + /* If we didn't already trim version, copy down */ + if (speclen > mynam.nam$l_ver - out) + memcpy(mynam.nam$l_type, mynam.nam$l_ver, + speclen - (mynam.nam$l_ver - out)); + speclen -= mynam.nam$l_ver - mynam.nam$l_type; + } + } + /* If we just had a directory spec on input, $PARSE "helpfully" + * adds an empty name and type for us */ + if (mynam.nam$l_name == mynam.nam$l_type && + mynam.nam$l_ver == mynam.nam$l_type + 1 && + !(mynam.nam$l_fnb & NAM$M_EXP_NAME)) + speclen = mynam.nam$l_name - out; + out[speclen] = '\0'; + if (haslower) __mystrtolower(out); - loc = buf ? buf : __gcvtbuf; - if (val) { - if (!buf && ndig > DBL_DIG) ndig = DBL_DIG; - return gcvt(val,ndig,loc); + /* Have we been working with an expanded, but not resultant, spec? */ + /* Also, convert back to Unix syntax if necessary. */ + if (!mynam.nam$b_rsl) { + if (isunix) { + if (do_tounixspec(esa,outbuf,0) == NULL) return NULL; + } + else strcpy(outbuf,esa); } - else { - loc[0] = '0'; loc[1] = '\0'; - return loc; + else if (isunix) { + if (do_tounixspec(outbuf,tmpfspec,0) == NULL) return NULL; + strcpy(outbuf,tmpfspec); } - + mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL; + mynam.nam$l_rsa = NULL; mynam.nam$b_rss = 0; + myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); /* Free search context */ + return outbuf; } /*}}}*/ +/* External entry points */ +char *Perl_rmsexpand(pTHX_ char *spec, char *buf, char *def, unsigned opt) +{ return do_rmsexpand(spec,buf,0,def,opt); } +char *Perl_rmsexpand_ts(pTHX_ char *spec, char *buf, char *def, unsigned opt) +{ return do_rmsexpand(spec,buf,1,def,opt); } + /* ** The following routines are provided to make life easier when @@ -773,36 +3118,42 @@ my_gconvert(double val, int ndig, int trail, char *buf) ** tounixspec() - convert any file spec into a Unix-style file spec. ** tovmsspec() - convert any file spec into a VMS-style spec. ** -** Copyright 1996 by Charles Bailey +** Copyright 1996 by Charles Bailey ** Permission is given to distribute this code as part of the Perl ** standard distribution under the terms of the GNU General Public ** License or the Perl Artistic License. Copies of each may be ** found in the Perl standard distribution. */ -static char *do_tounixspec(char *, char *, int); - /*{{{ char *fileify_dirspec[_ts](char *path, char *buf)*/ -static char *do_fileify_dirspec(char *dir,char *buf,int ts) +static char *mp_do_fileify_dirspec(pTHX_ char *dir,char *buf,int ts) { static char __fileify_retbuf[NAM$C_MAXRSS+1]; - unsigned long int dirlen, retlen, addmfd = 0; + unsigned long int dirlen, retlen, addmfd = 0, hasfilename = 0; char *retspec, *cp1, *cp2, *lastdir; - char trndir[NAM$C_MAXRSS+1], vmsdir[NAM$C_MAXRSS+1]; + char trndir[NAM$C_MAXRSS+2], vmsdir[NAM$C_MAXRSS+1]; + unsigned short int trnlnm_iter_count; if (!dir || !*dir) { set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return NULL; } dirlen = strlen(dir); - if (dir[dirlen-1] == '/') --dirlen; - if (!dirlen) { - set_errno(ENOTDIR); - set_vaxc_errno(RMS$_DIR); - return NULL; + while (dirlen && dir[dirlen-1] == '/') --dirlen; + if (!dirlen) { /* We had Unixish '/' -- substitute top of current tree */ + strcpy(trndir,"/sys$disk/000000"); + dir = trndir; + dirlen = 16; + } + if (dirlen > NAM$C_MAXRSS) { + set_errno(ENAMETOOLONG); set_vaxc_errno(RMS$_SYN); return NULL; } if (!strpbrk(dir+1,"/]>:")) { strcpy(trndir,*dir == '/' ? dir + 1: dir); - while (!strpbrk(trndir,"/]>:>") && my_trnlnm(trndir,trndir,0)) ; + trnlnm_iter_count = 0; + while (!strpbrk(trndir,"/]>:>") && my_trnlnm(trndir,trndir,0)) { + trnlnm_iter_count++; + if (trnlnm_iter_count >= PERL_LNM_MAX_ITER) break; + } dir = trndir; dirlen = strlen(dir); } @@ -817,12 +3168,33 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) * ... do_fileify_dirspec("myroot",buf,1) ... * does something useful. */ - if (!strcmp(dir+dirlen-2,".]")) { + if (dirlen >= 2 && !strcmp(dir+dirlen-2,".]")) { dir[--dirlen] = '\0'; dir[dirlen-1] = ']'; } + if (dirlen >= 2 && !strcmp(dir+dirlen-2,".>")) { + dir[--dirlen] = '\0'; + dir[dirlen-1] = '>'; + } + + if ((cp1 = strrchr(dir,']')) != NULL || (cp1 = strrchr(dir,'>')) != NULL) { + /* If we've got an explicit filename, we can just shuffle the string. */ + if (*(cp1+1)) hasfilename = 1; + /* Similarly, we can just back up a level if we've got multiple levels + of explicit directories in a VMS spec which ends with directories. */ + else { + for (cp2 = cp1; cp2 > dir; cp2--) { + if (*cp2 == '.') { + *cp2 = *cp1; *cp1 = '\0'; + hasfilename = 1; + break; + } + if (*cp2 == '[' || *cp2 == '<') break; + } + } + } - if (!strpbrk(dir,"]:>")) { /* Unix-style path or plain dir name */ + if (hasfilename || !strpbrk(dir,"]:>")) { /* Unix-style path or filename */ if (dir[0] == '.') { if (dir[1] == '\0' || (dir[1] == '/' && dir[2] == '\0')) return do_fileify_dirspec("[]",buf,ts); @@ -830,7 +3202,7 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) (dir[2] == '\0' || (dir[2] == '/' && dir[3] == '\0'))) return do_fileify_dirspec("[-]",buf,ts); } - if (dir[dirlen-1] == '/') { /* path ends with '/'; just add .dir;1 */ + if (dirlen && dir[dirlen-1] == '/') { /* path ends with '/'; just add .dir;1 */ dirlen -= 1; /* to last element */ lastdir = strrchr(dir,'/'); } @@ -842,32 +3214,46 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) if (*(cp1+2) == '.') cp1++; if (*(cp1+2) == '/' || *(cp1+2) == '\0') { if (do_tovmsspec(dir,vmsdir,0) == NULL) return NULL; + if (strchr(vmsdir,'/') != NULL) { + /* If do_tovmsspec() returned it, it must have VMS syntax + * delimiters in it, so it's a mixed VMS/Unix spec. We take + * the time to check this here only so we avoid a recursion + * loop; otherwise, gigo. + */ + set_errno(EINVAL); set_vaxc_errno(RMS$_SYN); return NULL; + } if (do_fileify_dirspec(vmsdir,trndir,0) == NULL) return NULL; return do_tounixspec(trndir,buf,ts); } cp1++; } while ((cp1 = strstr(cp1,"/.")) != NULL); + lastdir = strrchr(dir,'/'); + } + else if (dirlen >= 7 && !strcmp(&dir[dirlen-7],"/000000")) { + /* Ditto for specs that end in an MFD -- let the VMS code + * figure out whether it's a real device or a rooted logical. */ + dir[dirlen] = '/'; dir[dirlen+1] = '\0'; + if (do_tovmsspec(dir,vmsdir,0) == NULL) return NULL; + if (do_fileify_dirspec(vmsdir,trndir,0) == NULL) return NULL; + return do_tounixspec(trndir,buf,ts); } else { - if (!(lastdir = cp1 = strrchr(dir,'/'))) cp1 = dir; + if ( !(lastdir = cp1 = strrchr(dir,'/')) && + !(lastdir = cp1 = strrchr(dir,']')) && + !(lastdir = cp1 = strrchr(dir,'>'))) cp1 = dir; if ((cp2 = strchr(cp1,'.'))) { /* look for explicit type */ - if (toupper(*(cp2+1)) == 'D' && /* Yep. Is it .dir? */ - toupper(*(cp2+2)) == 'I' && - toupper(*(cp2+3)) == 'R') { - if ((cp1 = strchr(cp2,';')) || (cp1 = strchr(cp2+1,'.'))) { - if (*(cp1+1) != '1' || *(cp1+2) != '\0') { /* Version is not ;1 */ - set_errno(ENOTDIR); /* Bzzt. */ - set_vaxc_errno(RMS$_DIR); - return NULL; - } - } - dirlen = cp2 - dir; - } - else { /* There's a type, and it's not .dir. Bzzt. */ - set_errno(ENOTDIR); + int ver; char *cp3; + if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */ + !*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */ + !*(cp2+3) || toupper(*(cp2+3)) != 'R' || + (*(cp2+4) && ((*(cp2+4) != ';' && *(cp2+4) != '.') || + (*(cp2+5) && ((ver = strtol(cp2+5,&cp3,10)) != 1 && + (ver || *cp3)))))) { + set_errno(ENOTDIR); set_vaxc_errno(RMS$_DIR); return NULL; } + dirlen = cp2 - dir; } } /* If we lead off with a device or rooted logical, add the MFD @@ -883,7 +3269,7 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) } retlen = dirlen + (addmfd ? 13 : 6); if (buf) retspec = buf; - else if (ts) New(7009,retspec,retlen+1,char); + else if (ts) New(1309,retspec,retlen+1,char); else retspec = __fileify_retbuf; if (addmfd) { dirlen = lastdir - dir; @@ -933,13 +3319,14 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) /* Yes; fake the fnb bits so we'll check type below */ dirnam.nam$l_fnb |= NAM$M_EXP_TYPE | NAM$M_EXP_VER; } - else { - if (dirfab.fab$l_sts != RMS$_FNF) { - set_errno(EVMSERR); - set_vaxc_errno(dirfab.fab$l_sts); + else { /* No; just work with potential name */ + if (dirfab.fab$l_sts == RMS$_FNF) dirnam = savnam; + else { + set_errno(EVMSERR); set_vaxc_errno(dirfab.fab$l_sts); + dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); return NULL; } - dirnam = savnam; /* No; just work with potential name */ } } if (!(dirnam.nam$l_fnb & (NAM$M_EXP_DEV | NAM$M_EXP_DIR))) { @@ -955,6 +3342,8 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) cmplen = (dirnam.nam$l_fnb & NAM$M_EXP_VER) ? 6 : 4; if (strncmp(dirnam.nam$l_type,".DIR;1",cmplen)) { /* Something other than .DIR[;1]. Bzzt. */ + dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); set_errno(ENOTDIR); set_vaxc_errno(RMS$_DIR); return NULL; @@ -964,9 +3353,11 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) if (dirnam.nam$l_fnb & NAM$M_EXP_NAME) { /* They provided at least the name; we added the type, if necessary, */ if (buf) retspec = buf; /* in sys$parse() */ - else if (ts) New(7011,retspec,dirnam.nam$b_esl+1,char); + else if (ts) New(1311,retspec,dirnam.nam$b_esl+1,char); else retspec = __fileify_retbuf; strcpy(retspec,esa); + dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); return retspec; } if ((cp1 = strstr(esa,".][000000]")) != NULL) { @@ -975,7 +3366,11 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) dirnam.nam$b_esl -= 9; } if ((cp1 = strrchr(esa,']')) == NULL) cp1 = strrchr(esa,'>'); - if (cp1 == NULL) return NULL; /* should never happen */ + if (cp1 == NULL) { /* should never happen */ + dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); + return NULL; + } term = *cp1; *cp1 = '\0'; retlen = strlen(esa); @@ -983,7 +3378,7 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) /* There's more than one directory in the path. Just roll back. */ *cp1 = term; if (buf) retspec = buf; - else if (ts) New(7011,retspec,retlen+7,char); + else if (ts) New(1311,retspec,retlen+7,char); else retspec = __fileify_retbuf; strcpy(retspec,esa); } @@ -992,15 +3387,18 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) /* Go back and expand rooted logical name */ dirnam.nam$b_nop = NAM$M_SYNCHK | NAM$M_NOCONCEAL; if (!(sys$parse(&dirfab) & 1)) { + dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); set_errno(EVMSERR); set_vaxc_errno(dirfab.fab$l_sts); return NULL; } retlen = dirnam.nam$b_esl - 9; /* esa - '][' - '].DIR;1' */ if (buf) retspec = buf; - else if (ts) New(7012,retspec,retlen+16,char); + else if (ts) New(1312,retspec,retlen+16,char); else retspec = __fileify_retbuf; cp1 = strstr(esa,"]["); + if (!cp1) cp1 = strstr(esa,"]<"); dirlen = cp1 - esa; memcpy(retspec,esa,dirlen); if (!strncmp(cp1+2,"000000]",7)) { @@ -1026,7 +3424,7 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) } else { /* This is a top-level dir. Add the MFD to the path. */ if (buf) retspec = buf; - else if (ts) New(7012,retspec,retlen+16,char); + else if (ts) New(1312,retspec,retlen+16,char); else retspec = __fileify_retbuf; cp1 = esa; cp2 = retspec; @@ -1036,6 +3434,8 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) strcpy(cp2+9,cp1); } } + dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); /* We've set up the string up through the filename. Add the type and version, and we're done. */ strcat(retspec,".DIR;1"); @@ -1048,17 +3448,19 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) } /* end of do_fileify_dirspec() */ /*}}}*/ /* External entry points */ -char *fileify_dirspec(char *dir, char *buf) +char *Perl_fileify_dirspec(pTHX_ char *dir, char *buf) { return do_fileify_dirspec(dir,buf,0); } -char *fileify_dirspec_ts(char *dir, char *buf) +char *Perl_fileify_dirspec_ts(pTHX_ char *dir, char *buf) { return do_fileify_dirspec(dir,buf,1); } /*{{{ char *pathify_dirspec[_ts](char *path, char *buf)*/ -static char *do_pathify_dirspec(char *dir,char *buf, int ts) +static char *mp_do_pathify_dirspec(pTHX_ char *dir,char *buf, int ts) { static char __pathify_retbuf[NAM$C_MAXRSS+1]; unsigned long int retlen; char *retpath, *cp1, *cp2, trndir[NAM$C_MAXRSS+1]; + unsigned short int trnlnm_iter_count; + STRLEN trnlen; if (!dir || !*dir) { set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return NULL; @@ -1067,13 +3469,17 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) if (*dir) strcpy(trndir,dir); else getcwd(trndir,sizeof trndir - 1); - while (!strpbrk(trndir,"/]:>") && my_trnlnm(trndir,trndir,0)) { - STRLEN trnlen = strlen(trndir); + trnlnm_iter_count = 0; + while (!strpbrk(trndir,"/]:>") && !no_translate_barewords + && my_trnlnm(trndir,trndir,0)) { + trnlnm_iter_count++; + if (trnlnm_iter_count >= PERL_LNM_MAX_ITER) break; + trnlen = strlen(trndir); /* Trap simple rooted lnms, and return lnm:[000000] */ if (!strcmp(trndir+trnlen-2,".]")) { if (buf) retpath = buf; - else if (ts) New(7018,retpath,strlen(dir)+10,char); + else if (ts) New(1318,retpath,strlen(dir)+10,char); else retpath = __pathify_retbuf; strcpy(retpath,dir); strcat(retpath,":[000000]"); @@ -1082,30 +3488,38 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) } dir = trndir; - if (!strpbrk(dir,"]:>")) { /* Unix-style path or plain dir name */ + if (!strpbrk(dir,"]:>")) { /* Unix-style path or plain name */ if (*dir == '.' && (*(dir+1) == '\0' || (*(dir+1) == '.' && *(dir+2) == '\0'))) retlen = 2 + (*(dir+1) != '\0'); else { - if (!(cp1 = strrchr(dir,'/'))) cp1 = dir; - if ((cp2 = strchr(cp1,'.')) && (*(cp2+1) != '.' && *(cp2+1) != '\0')) { - if (toupper(*(cp2+1)) == 'D' && /* They specified .dir. */ - toupper(*(cp2+2)) == 'I' && /* Trim it off. */ - toupper(*(cp2+3)) == 'R') { - retlen = cp2 - dir + 1; - } - else { /* Some other file type. Bzzt. */ + if ( !(cp1 = strrchr(dir,'/')) && + !(cp1 = strrchr(dir,']')) && + !(cp1 = strrchr(dir,'>')) ) cp1 = dir; + if ((cp2 = strchr(cp1,'.')) != NULL && + (*(cp2-1) != '/' || /* Trailing '.', '..', */ + !(*(cp2+1) == '\0' || /* or '...' are dirs. */ + (*(cp2+1) == '.' && *(cp2+2) == '\0') || + (*(cp2+1) == '.' && *(cp2+2) == '.' && *(cp2+3) == '\0')))) { + int ver; char *cp3; + if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */ + !*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */ + !*(cp2+3) || toupper(*(cp2+3)) != 'R' || + (*(cp2+4) && ((*(cp2+4) != ';' && *(cp2+4) != '.') || + (*(cp2+5) && ((ver = strtol(cp2+5,&cp3,10)) != 1 && + (ver || *cp3)))))) { set_errno(ENOTDIR); set_vaxc_errno(RMS$_DIR); return NULL; } + retlen = cp2 - dir + 1; } else { /* No file type present. Treat the filename as a directory. */ retlen = strlen(dir) + 1; } } if (buf) retpath = buf; - else if (ts) New(7013,retpath,retlen+1,char); + else if (ts) New(1313,retpath,retlen+1,char); else retpath = __pathify_retbuf; strncpy(retpath,dir,retlen-1); if (retpath[retlen-2] != '/') { /* If the path doesn't already end */ @@ -1120,13 +3534,37 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) struct FAB dirfab = cc$rms_fab; struct NAM savnam, dirnam = cc$rms_nam; + /* If we've got an explicit filename, we can just shuffle the string. */ + if ( ( (cp1 = strrchr(dir,']')) != NULL || + (cp1 = strrchr(dir,'>')) != NULL ) && *(cp1+1)) { + if ((cp2 = strchr(cp1,'.')) != NULL) { + int ver; char *cp3; + if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */ + !*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */ + !*(cp2+3) || toupper(*(cp2+3)) != 'R' || + (*(cp2+4) && ((*(cp2+4) != ';' && *(cp2+4) != '.') || + (*(cp2+5) && ((ver = strtol(cp2+5,&cp3,10)) != 1 && + (ver || *cp3)))))) { + set_errno(ENOTDIR); + set_vaxc_errno(RMS$_DIR); + return NULL; + } + } + else { /* No file type, so just draw name into directory part */ + for (cp2 = cp1; *cp2; cp2++) ; + } + *cp2 = *cp1; + *(cp2+1) = '\0'; /* OK; trndir is guaranteed to be long enough */ + *cp1 = '.'; + /* We've now got a VMS 'path'; fall through */ + } dirfab.fab$b_fns = strlen(dir); dirfab.fab$l_fna = dir; if (dir[dirfab.fab$b_fns-1] == ']' || dir[dirfab.fab$b_fns-1] == '>' || dir[dirfab.fab$b_fns-1] == ':') { /* It's already a VMS 'path' */ if (buf) retpath = buf; - else if (ts) New(7014,retpath,strlen(dir)+1,char); + else if (ts) New(1314,retpath,strlen(dir)+1,char); else retpath = __pathify_retbuf; strcpy(retpath,dir); return retpath; @@ -1155,6 +3593,8 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) savnam = dirnam; if (!(sys$search(&dirfab)&1)) { /* Does the file really exist? */ if (dirfab.fab$l_sts != RMS$_FNF) { + dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); set_errno(EVMSERR); set_vaxc_errno(dirfab.fab$l_sts); return NULL; @@ -1167,6 +3607,8 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) cmplen = (dirnam.nam$l_fnb & NAM$M_EXP_VER) ? 6 : 4; if (strncmp(dirnam.nam$l_type,".DIR;1",cmplen)) { /* Something other than .DIR[;1]. Bzzt. */ + dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); set_errno(ENOTDIR); set_vaxc_errno(RMS$_DIR); return NULL; @@ -1183,9 +3625,11 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) *(dirnam.nam$l_type + 1) = '\0'; retlen = dirnam.nam$l_type - esa + 2; if (buf) retpath = buf; - else if (ts) New(7014,retpath,retlen,char); + else if (ts) New(1314,retpath,retlen,char); else retpath = __pathify_retbuf; strcpy(retpath,esa); + dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL; + dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0); /* $PARSE may have upcased filespec, so convert output to lower * case if input contained any lowercase characters. */ if (haslower) __mystrtolower(retpath); @@ -1195,17 +3639,19 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) } /* end of do_pathify_dirspec() */ /*}}}*/ /* External entry points */ -char *pathify_dirspec(char *dir, char *buf) +char *Perl_pathify_dirspec(pTHX_ char *dir, char *buf) { return do_pathify_dirspec(dir,buf,0); } -char *pathify_dirspec_ts(char *dir, char *buf) +char *Perl_pathify_dirspec_ts(pTHX_ char *dir, char *buf) { return do_pathify_dirspec(dir,buf,1); } /*{{{ char *tounixspec[_ts](char *path, char *buf)*/ -static char *do_tounixspec(char *spec, char *buf, int ts) +static char *mp_do_tounixspec(pTHX_ char *spec, char *buf, int ts) { static char __tounixspec_retbuf[NAM$C_MAXRSS+1]; char *dirend, *rslt, *cp1, *cp2, *cp3, tmp[NAM$C_MAXRSS+1]; - int devlen, dirlen, retlen = NAM$C_MAXRSS+1, dashes = 0; + int devlen, dirlen, retlen = NAM$C_MAXRSS+1; + int expand = 1; /* guarantee room for leading and trailing slashes */ + unsigned short int trnlnm_iter_count; if (spec == NULL) return NULL; if (strlen(spec) > NAM$C_MAXRSS) return NULL; @@ -1215,9 +3661,13 @@ static char *do_tounixspec(char *spec, char *buf, int ts) cp1 = strchr(spec,'['); if (!cp1) cp1 = strchr(spec,'<'); if (cp1) { - for (cp1++; *cp1 == '-'; cp1++) dashes++; /* VMS '-' ==> Unix '../' */ + for (cp1++; *cp1; cp1++) { + if (*cp1 == '-') expand++; /* VMS '-' ==> Unix '../' */ + if (*cp1 == '.' && *(cp1+1) == '.' && *(cp1+2) == '.') + { expand++; cp1 +=2; } /* VMS '...' ==> Unix '/.../' */ + } } - New(7015,rslt,retlen+2+2*dashes,char); + New(1315,rslt,retlen+2+2*expand,char); } else rslt = __tounixspec_retbuf; if (strchr(spec,'/') != NULL) { @@ -1240,41 +3690,53 @@ static char *do_tounixspec(char *spec, char *buf, int ts) else { /* the VMS spec begins with directories */ cp2++; if (*cp2 == ']' || *cp2 == '>') { - strcpy(rslt,"./"); + *(cp1++) = '.'; *(cp1++) = '/'; *(cp1++) = '\0'; return rslt; } - else if ( *cp2 != '.' && *cp2 != '-') { - *(cp1++) = '/'; /* add the implied device into the Unix spec */ + else if ( *cp2 != '.' && *cp2 != '-') { /* add the implied device */ if (getcwd(tmp,sizeof tmp,1) == NULL) { if (ts) Safefree(rslt); return NULL; } + trnlnm_iter_count = 0; do { cp3 = tmp; while (*cp3 != ':' && *cp3) cp3++; *(cp3++) = '\0'; if (strchr(cp3,']') != NULL) break; - } while (((cp3 = my_getenv(tmp)) != NULL) && strcpy(tmp,cp3)); - cp3 = tmp; - while (*cp3) *(cp1++) = *(cp3++); - *(cp1++) = '/'; - if (ts && + trnlnm_iter_count++; + if (trnlnm_iter_count >= PERL_LNM_MAX_ITER+1) break; + } while (vmstrnenv(tmp,tmp,0,fildev,0)); + if (ts && !buf && ((devlen = strlen(tmp)) + (dirlen = strlen(cp2)) + 1 > retlen)) { - int offset = cp1 - rslt; - retlen = devlen + dirlen; - Renew(rslt,retlen+1+2*dashes,char); - cp1 = rslt + offset; + Renew(rslt,retlen+1+2*expand,char); + cp1 = rslt; + } + cp3 = tmp; + *(cp1++) = '/'; + while (*cp3) { + *(cp1++) = *(cp3++); + if (cp1 - rslt > NAM$C_MAXRSS && !ts && !buf) return NULL; /* No room */ + } + *(cp1++) = '/'; + } + else if ( *cp2 == '.') { + if (*(cp2+1) == '.' && *(cp2+2) == '.') { + *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '/'; + cp2 += 3; } + else cp2++; } - else if (*cp2 == '.') cp2++; } for (; cp2 <= dirend; cp2++) { if (*cp2 == ':') { *(cp1++) = '/'; if (*(cp2+1) == '[') cp2++; } - else if (*cp2 == ']' || *cp2 == '>') *(cp1++) = '/'; + else if (*cp2 == ']' || *cp2 == '>') { + if (*(cp1-1) != '/') *(cp1++) = '/'; /* Don't double after ellipsis */ + } else if (*cp2 == '.') { *(cp1++) = '/'; if (*(cp2+1) == ']' || *(cp2+1) == '>') { @@ -1283,6 +3745,10 @@ static char *do_tounixspec(char *spec, char *buf, int ts) if (!strncmp(cp2,"[000000",7) && (*(cp2+7) == ']' || *(cp2+7) == '>' || *(cp2+7) == '.')) cp2 += 7; } + else if ( *(cp2+1) == '.' && *(cp2+2) == '.') { + *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) ='/'; + cp2 += 2; + } } else if (*cp2 == '-') { if (*(cp2-1) == '[' || *(cp2-1) == '<' || *(cp2-1) == '.') { @@ -1308,11 +3774,11 @@ static char *do_tounixspec(char *spec, char *buf, int ts) } /* end of do_tounixspec() */ /*}}}*/ /* External entry points */ -char *tounixspec(char *spec, char *buf) { return do_tounixspec(spec,buf,0); } -char *tounixspec_ts(char *spec, char *buf) { return do_tounixspec(spec,buf,1); } +char *Perl_tounixspec(pTHX_ char *spec, char *buf) { return do_tounixspec(spec,buf,0); } +char *Perl_tounixspec_ts(pTHX_ char *spec, char *buf) { return do_tounixspec(spec,buf,1); } /*{{{ char *tovmsspec[_ts](char *path, char *buf)*/ -static char *do_tovmsspec(char *path, char *buf, int ts) { +static char *mp_do_tovmsspec(pTHX_ char *path, char *buf, int ts) { static char __tovmsspec_retbuf[NAM$C_MAXRSS+1]; char *rslt, *dirend; register char *cp1, *cp2; @@ -1320,7 +3786,7 @@ static char *do_tovmsspec(char *path, char *buf, int ts) { if (path == NULL) return NULL; if (buf) rslt = buf; - else if (ts) New(7016,rslt,strlen(path)+9,char); + else if (ts) New(1316,rslt,strlen(path)+9,char); else rslt = __tovmsspec_retbuf; if (strpbrk(path,"]:>") || (dirend = strrchr(path,'/')) == NULL) { @@ -1332,9 +3798,10 @@ static char *do_tovmsspec(char *path, char *buf, int ts) { else strcpy(rslt,path); return rslt; } - if (*(dirend+1) == '.') { /* do we have trailing "/." or "/.."? */ + if (*(dirend+1) == '.') { /* do we have trailing "/." or "/.." or "/..."? */ if (!*(dirend+2)) dirend +=2; if (*(dirend+2) == '.' && !*(dirend+3)) dirend += 3; + if (*(dirend+2) == '.' && *(dirend+3) == '.' && !*(dirend+4)) dirend += 4; } cp1 = rslt; cp2 = path; @@ -1343,7 +3810,12 @@ static char *do_tovmsspec(char *path, char *buf, int ts) { int islnm, rooted; STRLEN trnend; - while (*(++cp2) == '/') ; /* Skip multiple /s */ + while (*(cp2+1) == '/') cp2++; /* Skip multiple /s */ + if (!*(cp2+1)) { + if (!buf & ts) Renew(rslt,18,char); + strcpy(rslt,"sys$disk:[000000]"); + return rslt; + } while (*(++cp2) != '/' && *cp2) *(cp1++) = *cp2; *cp1 = '\0'; islnm = my_trnlnm(rslt,trndev,0); @@ -1383,6 +3855,12 @@ static char *do_tovmsspec(char *path, char *buf, int ts) { *(cp1++) = '-'; /* "../" --> "-" */ cp2 += 3; } + else if (*(cp2+1) == '.' && *(cp2+2) == '.' && + (*(cp2+3) == '/' || *(cp2+3) == '\0')) { + *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; /* ".../" --> "..." */ + if (!*(cp2+4)) *(cp1++) = '.'; /* Simulate trailing '/' for later */ + cp2 += 4; + } if (cp2 > dirend) cp2 = dirend; } else *(cp1++) = '.'; @@ -1410,6 +3888,16 @@ static char *do_tovmsspec(char *path, char *buf, int ts) { cp2 += 2; if (cp2 == dirend) break; } + else if ( *(cp2+1) == '.' && *(cp2+2) == '.' && + (*(cp2+3) == '/' || *(cp2+3) == '\0') ) { + if (*(cp1-1) != '.') *(cp1++) = '.'; /* May already have 1 from '/' */ + *(cp1++) = '.'; *(cp1++) = '.'; /* ".../" --> "..." */ + if (!*(cp2+3)) { + *(cp1++) = '.'; /* Simulate trailing '/' */ + cp2 += 2; /* for loop will incr this to == dirend */ + } + else cp2 += 3; /* Trailing '/' was there, so skip it, too */ + } else *(cp1++) = '_'; /* fix up syntax - '.' in name not allowed */ } else { @@ -1430,11 +3918,11 @@ static char *do_tovmsspec(char *path, char *buf, int ts) { } /* end of do_tovmsspec() */ /*}}}*/ /* External entry points */ -char *tovmsspec(char *path, char *buf) { return do_tovmsspec(path,buf,0); } -char *tovmsspec_ts(char *path, char *buf) { return do_tovmsspec(path,buf,1); } +char *Perl_tovmsspec(pTHX_ char *path, char *buf) { return do_tovmsspec(path,buf,0); } +char *Perl_tovmsspec_ts(pTHX_ char *path, char *buf) { return do_tovmsspec(path,buf,1); } /*{{{ char *tovmspath[_ts](char *path, char *buf)*/ -static char *do_tovmspath(char *path, char *buf, int ts) { +static char *mp_do_tovmspath(pTHX_ char *path, char *buf, int ts) { static char __tovmspath_retbuf[NAM$C_MAXRSS+1]; int vmslen; char pathified[NAM$C_MAXRSS+1], vmsified[NAM$C_MAXRSS+1], *cp; @@ -1445,7 +3933,7 @@ static char *do_tovmspath(char *path, char *buf, int ts) { if (buf) return buf; else if (ts) { vmslen = strlen(vmsified); - New(7017,cp,vmslen+1,char); + New(1317,cp,vmslen+1,char); memcpy(cp,vmsified,vmslen); cp[vmslen] = '\0'; return cp; @@ -1458,12 +3946,12 @@ static char *do_tovmspath(char *path, char *buf, int ts) { } /* end of do_tovmspath() */ /*}}}*/ /* External entry points */ -char *tovmspath(char *path, char *buf) { return do_tovmspath(path,buf,0); } -char *tovmspath_ts(char *path, char *buf) { return do_tovmspath(path,buf,1); } +char *Perl_tovmspath(pTHX_ char *path, char *buf) { return do_tovmspath(path,buf,0); } +char *Perl_tovmspath_ts(pTHX_ char *path, char *buf) { return do_tovmspath(path,buf,1); } /*{{{ char *tounixpath[_ts](char *path, char *buf)*/ -static char *do_tounixpath(char *path, char *buf, int ts) { +static char *mp_do_tounixpath(pTHX_ char *path, char *buf, int ts) { static char __tounixpath_retbuf[NAM$C_MAXRSS+1]; int unixlen; char pathified[NAM$C_MAXRSS+1], unixified[NAM$C_MAXRSS+1], *cp; @@ -1474,7 +3962,7 @@ static char *do_tounixpath(char *path, char *buf, int ts) { if (buf) return buf; else if (ts) { unixlen = strlen(unixified); - New(7017,cp,unixlen+1,char); + New(1317,cp,unixlen+1,char); memcpy(cp,unixified,unixlen); cp[unixlen] = '\0'; return cp; @@ -1487,8 +3975,8 @@ static char *do_tounixpath(char *path, char *buf, int ts) { } /* end of do_tounixpath() */ /*}}}*/ /* External entry points */ -char *tounixpath(char *path, char *buf) { return do_tounixpath(path,buf,0); } -char *tounixpath_ts(char *path, char *buf) { return do_tounixpath(path,buf,1); } +char *Perl_tounixpath(pTHX_ char *path, char *buf) { return do_tounixpath(path,buf,0); } +char *Perl_tounixpath_ts(pTHX_ char *path, char *buf) { return do_tounixpath(path,buf,1); } /* * @(#)argproc.c 2.2 94/08/16 Mark Pizzolato (mark@infocomm.com) @@ -1504,7 +3992,7 @@ char *tounixpath_ts(char *path, char *buf) { return do_tounixpath(path,buf,1); } * gain. * * * * 27-Aug-1994 Modified for inclusion in perl5 * - * by Charles Bailey bailey@genetics.upenn.edu * + * by Charles Bailey bailey@newman.upenn.edu * ***************************************************************************** */ @@ -1533,18 +4021,18 @@ static void add_item(struct list_item **head, char *value, int *count); -static void expand_wild_cards(char *item, - struct list_item **head, - struct list_item **tail, - int *count); +static void mp_expand_wild_cards(pTHX_ char *item, + struct list_item **head, + struct list_item **tail, + int *count); -static int background_process(int argc, char **argv); +static int background_process(pTHX_ int argc, char **argv); -static void pipe_and_fork(char **cmargv); +static void pipe_and_fork(pTHX_ char **cmargv); /*{{{ void getredirection(int *ac, char ***av)*/ -void -getredirection(int *ac, char ***av) +static void +mp_getredirection(pTHX_ int *ac, char ***av) /* * Process vms redirection arg's. Exit if any error is seen. * If getredirection() processes an argument, it is erased @@ -1588,11 +4076,11 @@ getredirection(int *ac, char ***av) */ ap = argv[argc-1]; if (0 == strcmp("&", ap)) - exit(background_process(--argc, argv)); + exit(background_process(aTHX_ --argc, argv)); if (*ap && '&' == ap[strlen(ap)-1]) { ap[strlen(ap)-1] = '\0'; - exit(background_process(argc, argv)); + exit(background_process(aTHX_ argc, argv)); } /* * Now we handle the general redirection cases that involve '>', '>>', @@ -1692,7 +4180,7 @@ getredirection(int *ac, char ***av) * Allocate and fill in the new argument vector, Some Unix's terminate * the list with an extra null pointer. */ - New(7002, argv, item_count+1, char *); + New(1302, argv, item_count+1, char *); *av = argv; for (j = 0; j < item_count; ++j, list_head = list_head->next) argv[j] = list_head->value; @@ -1704,7 +4192,7 @@ getredirection(int *ac, char ***av) fprintf(stderr,"'|' and '>' may not both be specified on command line"); exit(LIB$_INVARGORD); } - pipe_and_fork(cmargv); + pipe_and_fork(aTHX_ cmargv); } /* Check for input from a pipe (mailbox) */ @@ -1720,7 +4208,7 @@ getredirection(int *ac, char ***av) /* Input from a pipe, reopen it in binary mode to disable */ /* carriage control processing. */ - fgetname(stdin, mbxname,1); + fgetname(stdin, mbxname); mbxnam.dsc$a_pointer = mbxname; mbxnam.dsc$w_length = strlen(mbxnam.dsc$a_pointer); lib$getdvi(&dvi_item, 0, &mbxnam, &bufsize, 0, 0); @@ -1748,7 +4236,13 @@ getredirection(int *ac, char ***av) fprintf(stderr,"Can't open output file %s as stdout",out); exit(vaxc$errno); } + if (out != NULL) Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT",out); + if (err != NULL) { + if (strcmp(err,"&1") == 0) { + dup2(fileno(stdout), fileno(stderr)); + Perl_vmssetuserlnm(aTHX_ "SYS$ERROR","SYS$OUTPUT"); + } else { FILE *tmperr; if (NULL == (tmperr = fopen(err, errmode, "mbc=32", "mbf=2"))) { @@ -1756,16 +4250,21 @@ getredirection(int *ac, char ***av) exit(vaxc$errno); } fclose(tmperr); - if (NULL == freopen(err, "a", stderr, "mbc=32", "mbf=2")) + if (NULL == freopen(err, "a", stderr, "mbc=32", "mbf=2")) { exit(vaxc$errno); } + Perl_vmssetuserlnm(aTHX_ "SYS$ERROR",err); } + } #ifdef ARGPROC_DEBUG - fprintf(stderr, "Arglist:\n"); + PerlIO_printf(Perl_debug_log, "Arglist:\n"); for (j = 0; j < *ac; ++j) - fprintf(stderr, "argv[%d] = '%s'\n", j, argv[j]); + PerlIO_printf(Perl_debug_log, "argv[%d] = '%s'\n", j, argv[j]); #endif + /* Clear errors we may have hit expanding wildcards, so they don't + show up in Perl's $! later */ + set_errno(0); set_vaxc_errno(1); } /* end of getredirection() */ /*}}}*/ @@ -1776,18 +4275,18 @@ static void add_item(struct list_item **head, { if (*head == 0) { - New(7003,*head,1,struct list_item); + New(1303,*head,1,struct list_item); *tail = *head; } else { - New(7004,(*tail)->next,1,struct list_item); + New(1304,(*tail)->next,1,struct list_item); *tail = (*tail)->next; } (*tail)->value = value; ++(*count); } -static void expand_wild_cards(char *item, +static void mp_expand_wild_cards(pTHX_ char *item, struct list_item **head, struct list_item **tail, int *count) @@ -1795,21 +4294,40 @@ static void expand_wild_cards(char *item, int expcount = 0; unsigned long int context = 0; int isunix = 0; +int item_len = 0; char *had_version; char *had_device; int had_directory; -char *devdir; +char *devdir,*cp; char vmsspec[NAM$C_MAXRSS+1]; $DESCRIPTOR(filespec, ""); $DESCRIPTOR(defaultspec, "SYS$DISK:[]"); $DESCRIPTOR(resultspec, ""); unsigned long int zero = 0, sts; - if (strcspn(item, "*%") == strlen(item)) + for (cp = item; *cp; cp++) { + if (*cp == '*' || *cp == '%' || isspace(*cp)) break; + if (*cp == '.' && *(cp-1) == '.' && *(cp-2) =='.') break; + } + if (!*cp || isspace(*cp)) { add_item(head, tail, item, count); return; } + else + { + /* "double quoted" wild card expressions pass as is */ + /* From DCL that means using e.g.: */ + /* perl program """perl.*""" */ + item_len = strlen(item); + if ( '"' == *item && '"' == item[item_len-1] ) + { + item++; + item[item_len-2] = '\0'; + add_item(head, tail, item, count); + return; + } + } resultspec.dsc$b_dtype = DSC$K_DTYPE_T; resultspec.dsc$b_class = DSC$K_CLASS_D; resultspec.dsc$a_pointer = NULL; @@ -1834,7 +4352,7 @@ unsigned long int zero = 0, sts; char *string; char *c; - New(7005,string,resultspec.dsc$w_length+1,char); + New(1305,string,resultspec.dsc$w_length+1,char); strncpy(string, resultspec.dsc$a_pointer, resultspec.dsc$w_length); string[resultspec.dsc$w_length] = '\0'; if (NULL == had_version) @@ -1852,7 +4370,7 @@ unsigned long int zero = 0, sts; for (c = string; *c; ++c) if (isupper(*c)) *c = tolower(*c); - if (isunix) trim_unixpath(string,item); + if (isunix) trim_unixpath(string,item,1); add_item(head, tail, string, count); ++expcount; } @@ -1861,23 +4379,24 @@ unsigned long int zero = 0, sts; set_vaxc_errno(sts); switch (sts) { - case RMS$_FNF: - case RMS$_DIR: + case RMS$_FNF: case RMS$_DNF: set_errno(ENOENT); break; + case RMS$_DIR: + set_errno(ENOTDIR); break; case RMS$_DEV: set_errno(ENODEV); break; - case RMS$_SYN: + case RMS$_FNM: case RMS$_SYN: set_errno(EINVAL); break; case RMS$_PRV: set_errno(EACCES); break; default: - _ckvmssts(sts); + _ckvmssts_noperl(sts); } } if (expcount == 0) add_item(head, tail, item, count); - _ckvmssts(lib$sfree1_dd(&resultspec)); - _ckvmssts(lib$find_file_end(&context)); + _ckvmssts_noperl(lib$sfree1_dd(&resultspec)); + _ckvmssts_noperl(lib$find_file_end(&context)); } static int child_st[2];/* Event Flag set when child process completes */ @@ -1891,7 +4410,7 @@ short iosb[4]; if (0 == child_st[0]) { #ifdef ARGPROC_DEBUG - fprintf(stderr, "Waiting for Child Process to Finish . . .\n"); + PerlIO_printf(Perl_debug_log, "Waiting for Child Process to Finish . . .\n"); #endif fflush(stdout); /* Have to flush pipe for binary data to */ /* terminate properly -- */ @@ -1906,7 +4425,7 @@ short iosb[4]; static void sig_child(int chan) { #ifdef ARGPROC_DEBUG - fprintf(stderr, "Child Completion AST\n"); + PerlIO_printf(Perl_debug_log, "Child Completion AST\n"); #endif if (child_st[0] == 0) child_st[0] = 1; @@ -1921,44 +4440,58 @@ static struct exit_control_block exit_block = 0 }; -static void pipe_and_fork(char **cmargv) +static void +pipe_and_fork(pTHX_ char **cmargv) { - char subcmd[2048]; - $DESCRIPTOR(cmddsc, ""); - static char mbxname[64]; - $DESCRIPTOR(mbxdsc, mbxname); - int pid, j; - unsigned long int zero = 0, one = 1; - - strcpy(subcmd, cmargv[0]); - for (j = 1; NULL != cmargv[j]; ++j) - { - strcat(subcmd, " \""); - strcat(subcmd, cmargv[j]); - strcat(subcmd, "\""); + PerlIO *fp; + struct dsc$descriptor_s *vmscmd; + char subcmd[2*MAX_DCL_LINE_LENGTH], *p, *q; + int sts, j, l, ismcr, quote, tquote = 0; + + sts = setup_cmddsc(aTHX_ cmargv[0],0,"e,&vmscmd); + vms_execfree(vmscmd); + + j = l = 0; + p = subcmd; + q = cmargv[0]; + ismcr = q && toupper(*q) == 'M' && toupper(*(q+1)) == 'C' + && toupper(*(q+2)) == 'R' && !*(q+3); + + while (q && l < MAX_DCL_LINE_LENGTH) { + if (!*q) { + if (j > 0 && quote) { + *p++ = '"'; + l++; + } + q = cmargv[++j]; + if (q) { + if (ismcr && j > 1) quote = 1; + tquote = (strchr(q,' ')) != NULL || *q == '\0'; + *p++ = ' '; + l++; + if (quote || tquote) { + *p++ = '"'; + l++; + } + } + } else { + if ((quote||tquote) && *q == '"') { + *p++ = '"'; + l++; } - cmddsc.dsc$a_pointer = subcmd; - cmddsc.dsc$w_length = strlen(cmddsc.dsc$a_pointer); + *p++ = *q++; + l++; + } + } + *p = '\0'; - create_mbx(&child_chan,&mbxdsc); -#ifdef ARGPROC_DEBUG - fprintf(stderr, "Pipe Mailbox Name = '%s'\n", mbxdsc.dsc$a_pointer); - fprintf(stderr, "Sub Process Command = '%s'\n", cmddsc.dsc$a_pointer); -#endif - _ckvmssts(lib$spawn(&cmddsc, &mbxdsc, 0, &one, - 0, &pid, child_st, &zero, sig_child, - &child_chan)); -#ifdef ARGPROC_DEBUG - fprintf(stderr, "Subprocess's Pid = %08X\n", pid); -#endif - sys$dclexh(&exit_block); - if (NULL == freopen(mbxname, "wb", stdout)) - { - fprintf(stderr,"Can't open output pipe (name %s)",mbxname); + fp = safe_popen(aTHX_ subcmd,"wbF",&sts); + if (fp == Nullfp) { + PerlIO_printf(Perl_debug_log,"Can't open output pipe (status %d)",sts); } } -static int background_process(int argc, char **argv) +static int background_process(pTHX_ int argc, char **argv) { char command[2048] = "$"; $DESCRIPTOR(value, ""); @@ -1979,19 +4512,19 @@ unsigned long int flags = 17, one = 1, retsts; } value.dsc$a_pointer = command; value.dsc$w_length = strlen(value.dsc$a_pointer); - _ckvmssts(lib$set_symbol(&cmd, &value)); + _ckvmssts_noperl(lib$set_symbol(&cmd, &value)); retsts = lib$spawn(&cmd, &null, 0, &flags, 0, &pid); if (retsts == 0x38250) { /* DCL-W-NOTIFY - We must be BATCH, so retry */ - _ckvmssts(lib$spawn(&cmd, &null, 0, &one, 0, &pid)); + _ckvmssts_noperl(lib$spawn(&cmd, &null, 0, &one, 0, &pid)); } else { - _ckvmssts(retsts); + _ckvmssts_noperl(retsts); } #ifdef ARGPROC_DEBUG - fprintf(stderr, "%s\n", command); + PerlIO_printf(Perl_debug_log, "%s\n", command); #endif sprintf(pidstring, "%08X", pid); - fprintf(stderr, "%s\n", pidstring); + PerlIO_printf(Perl_debug_log, "%s\n", pidstring); pidstr.dsc$a_pointer = pidstring; pidstr.dsc$w_length = strlen(pidstr.dsc$a_pointer); lib$set_symbol(&pidsymbol, &pidstr); @@ -2000,6 +4533,144 @@ unsigned long int flags = 17, one = 1, retsts; /*}}}*/ /***** End of code taken from Mark Pizzolato's argproc.c package *****/ + +/* OS-specific initialization at image activation (not thread startup) */ +/* Older VAXC header files lack these constants */ +#ifndef JPI$_RIGHTS_SIZE +# define JPI$_RIGHTS_SIZE 817 +#endif +#ifndef KGB$M_SUBSYSTEM +# define KGB$M_SUBSYSTEM 0x8 +#endif + +/*{{{void vms_image_init(int *, char ***)*/ +void +vms_image_init(int *argcp, char ***argvp) +{ + char eqv[LNM$C_NAMLENGTH+1] = ""; + unsigned int len, tabct = 8, tabidx = 0; + unsigned long int *mask, iosb[2], i, rlst[128], rsz; + unsigned long int iprv[(sizeof(union prvdef) + sizeof(unsigned long int) - 1) / sizeof(unsigned long int)]; + unsigned short int dummy, rlen; + struct dsc$descriptor_s **tabvec; +#if defined(PERL_IMPLICIT_CONTEXT) + pTHX = NULL; +#endif + struct itmlst_3 jpilist[4] = { {sizeof iprv, JPI$_IMAGPRIV, iprv, &dummy}, + {sizeof rlst, JPI$_RIGHTSLIST, rlst, &rlen}, + { sizeof rsz, JPI$_RIGHTS_SIZE, &rsz, &dummy}, + { 0, 0, 0, 0} }; + +#ifdef KILL_BY_SIGPRC + (void) Perl_csighandler_init(); +#endif + + _ckvmssts_noperl(sys$getjpiw(0,NULL,NULL,jpilist,iosb,NULL,NULL)); + _ckvmssts_noperl(iosb[0]); + for (i = 0; i < sizeof iprv / sizeof(unsigned long int); i++) { + if (iprv[i]) { /* Running image installed with privs? */ + _ckvmssts_noperl(sys$setprv(0,iprv,0,NULL)); /* Turn 'em off. */ + will_taint = TRUE; + break; + } + } + /* Rights identifiers might trigger tainting as well. */ + if (!will_taint && (rlen || rsz)) { + while (rlen < rsz) { + /* We didn't get all the identifiers on the first pass. Allocate a + * buffer much larger than $GETJPI wants (rsz is size in bytes that + * were needed to hold all identifiers at time of last call; we'll + * allocate that many unsigned long ints), and go back and get 'em. + * If it gave us less than it wanted to despite ample buffer space, + * something's broken. Is your system missing a system identifier? + */ + if (rsz <= jpilist[1].buflen) { + /* Perl_croak accvios when used this early in startup. */ + fprintf(stderr, "vms_image_init: $getjpiw refuses to store RIGHTSLIST of %u bytes in buffer of %u bytes.\n%s", + rsz, (unsigned long) jpilist[1].buflen, + "Check your rights database for corruption.\n"); + exit(SS$_ABORT); + } + if (jpilist[1].bufadr != rlst) Safefree(jpilist[1].bufadr); + jpilist[1].bufadr = New(1320,mask,rsz,unsigned long int); + jpilist[1].buflen = rsz * sizeof(unsigned long int); + _ckvmssts_noperl(sys$getjpiw(0,NULL,NULL,&jpilist[1],iosb,NULL,NULL)); + _ckvmssts_noperl(iosb[0]); + } + mask = jpilist[1].bufadr; + /* Check attribute flags for each identifier (2nd longword); protected + * subsystem identifiers trigger tainting. + */ + for (i = 1; i < (rlen + sizeof(unsigned long int) - 1) / sizeof(unsigned long int); i += 2) { + if (mask[i] & KGB$M_SUBSYSTEM) { + will_taint = TRUE; + break; + } + } + if (mask != rlst) Safefree(mask); + } + /* We need to use this hack to tell Perl it should run with tainting, + * since its tainting flag may be part of the PL_curinterp struct, which + * hasn't been allocated when vms_image_init() is called. + */ + if (will_taint) { + char **newargv, **oldargv; + oldargv = *argvp; + New(1320,newargv,(*argcp)+2,char *); + newargv[0] = oldargv[0]; + New(1320,newargv[1],3,char); + strcpy(newargv[1], "-T"); + Copy(&oldargv[1],&newargv[2],(*argcp)-1,char **); + (*argcp)++; + newargv[*argcp] = NULL; + /* We orphan the old argv, since we don't know where it's come from, + * so we don't know how to free it. + */ + *argvp = newargv; + } + else { /* Did user explicitly request tainting? */ + int i; + char *cp, **av = *argvp; + for (i = 1; i < *argcp; i++) { + if (*av[i] != '-') break; + for (cp = av[i]+1; *cp; cp++) { + if (*cp == 'T') { will_taint = 1; break; } + else if ( (*cp == 'd' || *cp == 'V') && *(cp+1) == ':' || + strchr("DFIiMmx",*cp)) break; + } + if (will_taint) break; + } + } + + for (tabidx = 0; + len = my_trnlnm("PERL_ENV_TABLES",eqv,tabidx); + tabidx++) { + if (!tabidx) New(1321,tabvec,tabct,struct dsc$descriptor_s *); + else if (tabidx >= tabct) { + tabct += 8; + Renew(tabvec,tabct,struct dsc$descriptor_s *); + } + New(1322,tabvec[tabidx],1,struct dsc$descriptor_s); + tabvec[tabidx]->dsc$w_length = 0; + tabvec[tabidx]->dsc$b_dtype = DSC$K_DTYPE_T; + tabvec[tabidx]->dsc$b_class = DSC$K_CLASS_D; + tabvec[tabidx]->dsc$a_pointer = NULL; + _ckvmssts_noperl(lib$scopy_r_dx(&len,eqv,tabvec[tabidx])); + } + if (tabidx) { tabvec[tabidx] = NULL; env_tables = tabvec; } + + getredirection(argcp,argvp); +#if defined(USE_ITHREADS) && ( defined(__DECC) || defined(__DECCXX) ) + { +# include + (void) decc$set_reentrancy(C$C_MULTITHREAD); + } +#endif + return; +} +/*}}}*/ + + /* trim_unixpath() * Trim Unix-style prefix off filespec, so it looks like what a shell * glob expansion would return (i.e. from specified prefix on, not @@ -2007,23 +4678,26 @@ unsigned long int flags = 17, one = 1, retsts; * of whether input filespec was VMS-style or Unix-style. * * fspec is filespec to be trimmed, and wildspec is wildcard spec used to - * determine prefix (both may be in VMS or Unix syntax). + * determine prefix (both may be in VMS or Unix syntax). opts is a bit + * vector of options; at present, only bit 0 is used, and if set tells + * trim unixpath to try the current default directory as a prefix when + * presented with a possibly ambiguous ... wildcard. * * Returns !=0 on success, with trimmed filespec replacing contents of * fspec, and 0 on failure, with contents of fpsec unchanged. */ -/*{{{int trim_unixpath(char *fspec, char *wildspec)*/ +/*{{{int trim_unixpath(char *fspec, char *wildspec, int opts)*/ int -trim_unixpath(char *fspec, char *wildspec) +Perl_trim_unixpath(pTHX_ char *fspec, char *wildspec, int opts) { char unixified[NAM$C_MAXRSS+1], unixwild[NAM$C_MAXRSS+1], - *template, *base, *cp1, *cp2; - register int tmplen, reslen = 0; + *template, *base, *end, *cp1, *cp2; + register int tmplen, reslen = 0, dirs = 0; if (!wildspec || !fspec) return 0; if (strpbrk(wildspec,"]>:") != NULL) { if (do_tounixspec(wildspec,unixwild,0) == NULL) return 0; - else template = unixified; + else template = unixwild; } else template = wildspec; if (strpbrk(fspec,"]>:") != NULL) { @@ -2045,63 +4719,112 @@ trim_unixpath(char *fspec, char *wildspec) return 1; } - /* Find prefix to template consisting of path elements without wildcards */ - if ((cp1 = strpbrk(template,"*%?")) == NULL) - for (cp1 = template; *cp1; cp1++) ; - else while (cp1 > template && *cp1 != '/') cp1--; - for (cp2 = base; *cp2; cp2++) ; /* Find end of resultant filespec */ - - /* Wildcard was in first element, so we don't have a reliable string to - * match against. Guess where to trim resultant filespec by counting - * directory levels in the Unix template. (We could do this instead of - * string matching in all cases, since Unix doesn't have a ... wildcard - * that can expand into multiple levels of subdirectory, but we try for - * the string match so our caller can interpret foo/.../bar.* as - * [.foo...]bar.* if it wants, and only get burned if there was a - * wildcard in the first word (in which case, caveat caller). */ - if (cp1 == template) { - int subdirs = 0; - for ( ; *cp1; cp1++) if (*cp1 == '/') subdirs++; - /* need to back one more '/' than in template, to pick up leading dirname */ - subdirs++; - while (cp2 > base) { - if (*cp2 == '/') subdirs--; - if (!subdirs) break; /* quit without decrement when we hit last '/' */ - cp2--; - } - /* ran out of directories on resultant; allow for already trimmed - * resultant, which hits start of string looking for leading '/' */ - if (subdirs && (cp2 != base || subdirs != 1)) return 0; - /* Move past leading '/', if there is one */ - base = cp2 + (*cp2 == '/' ? 1 : 0); - tmplen = strlen(base); - if (reslen && tmplen > reslen) return 0; /* not enough space */ - memmove(fspec,base,tmplen+1); /* copy result to fspec, with trailing NUL */ + for (end = base; *end; end++) ; /* Find end of resultant filespec */ + if ((cp1 = strstr(template,".../")) == NULL) { /* No ...; just count elts */ + for (cp1 = template; *cp1; cp1++) if (*cp1 == '/') dirs++; + for (cp1 = end ;cp1 >= base; cp1--) + if ((*cp1 == '/') && !dirs--) /* postdec so we get front of rel path */ + { cp1++; break; } + if (cp1 != fspec) memmove(fspec,cp1, end - cp1 + 1); return 1; } - /* We have a prefix string of complete directory names, so we - * try to find it on the resultant filespec */ - else { - tmplen = cp1 - template; - if (!memcmp(base,template,tmplen)) { /* Nothing before prefix; we're done */ - if (reslen) { /* we converted to Unix syntax; copy result over */ - tmplen = cp2 - base; - if (tmplen > reslen) return 0; /* not enough space */ - memmove(fspec,base,tmplen+1); /* Copy trimmed spec + trailing NUL */ + else { + char tpl[NAM$C_MAXRSS+1], lcres[NAM$C_MAXRSS+1]; + char *front, *nextell, *lcend, *lcfront, *ellipsis = cp1; + int ells = 1, totells, segdirs, match; + struct dsc$descriptor_s wilddsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, tpl}, + resdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; + + while ((cp1 = strstr(ellipsis+4,".../")) != NULL) {ellipsis = cp1; ells++;} + totells = ells; + for (cp1 = ellipsis+4; *cp1; cp1++) if (*cp1 == '/') dirs++; + if (ellipsis == template && opts & 1) { + /* Template begins with an ellipsis. Since we can't tell how many + * directory names at the front of the resultant to keep for an + * arbitrary starting point, we arbitrarily choose the current + * default directory as a starting point. If it's there as a prefix, + * clip it off. If not, fall through and act as if the leading + * ellipsis weren't there (i.e. return shortest possible path that + * could match template). + */ + if (getcwd(tpl, sizeof tpl,0) == NULL) return 0; + for (cp1 = tpl, cp2 = base; *cp1 && *cp2; cp1++,cp2++) + if (_tolower(*cp1) != _tolower(*cp2)) break; + segdirs = dirs - totells; /* Min # of dirs we must have left */ + for (front = cp2+1; *front; front++) if (*front == '/') segdirs--; + if (*cp1 == '\0' && *cp2 == '/' && segdirs < 1) { + memcpy(fspec,cp2+1,end - cp2); + return 1; } - return 1; } - for ( ; cp2 - base > tmplen; base++) { - if (*base != '/') continue; - if (!memcmp(base + 1,template,tmplen)) break; + /* First off, back up over constant elements at end of path */ + if (dirs) { + for (front = end ; front >= base; front--) + if (*front == '/' && !dirs--) { front++; break; } } - - if (cp2 - base == tmplen) return 0; /* Not there - not good */ - base++; /* Move past leading '/' */ - if (reslen && cp2 - base > reslen) return 0; /* not enough space */ - /* Copy down remaining portion of filespec, including trailing NUL */ - memmove(fspec,base,cp2 - base + 1); + for (cp1=template,cp2=lcres; *cp1 && cp2 <= lcres + sizeof lcres; + cp1++,cp2++) *cp2 = _tolower(*cp1); /* Make lc copy for match */ + if (cp1 != '\0') return 0; /* Path too long. */ + lcend = cp2; + *cp2 = '\0'; /* Pick up with memcpy later */ + lcfront = lcres + (front - base); + /* Now skip over each ellipsis and try to match the path in front of it. */ + while (ells--) { + for (cp1 = ellipsis - 2; cp1 >= template; cp1--) + if (*(cp1) == '.' && *(cp1+1) == '.' && + *(cp1+2) == '.' && *(cp1+3) == '/' ) break; + if (cp1 < template) break; /* template started with an ellipsis */ + if (cp1 + 4 == ellipsis) { /* Consecutive ellipses */ + ellipsis = cp1; continue; + } + wilddsc.dsc$w_length = resdsc.dsc$w_length = ellipsis - 1 - cp1; + nextell = cp1; + for (segdirs = 0, cp2 = tpl; + cp1 <= ellipsis - 1 && cp2 <= tpl + sizeof tpl; + cp1++, cp2++) { + if (*cp1 == '?') *cp2 = '%'; /* Substitute VMS' wildcard for Unix' */ + else *cp2 = _tolower(*cp1); /* else lowercase for match */ + if (*cp2 == '/') segdirs++; + } + if (cp1 != ellipsis - 1) return 0; /* Path too long */ + /* Back up at least as many dirs as in template before matching */ + for (cp1 = lcfront - 1; segdirs && cp1 >= lcres; cp1--) + if (*cp1 == '/' && !segdirs--) { cp1++; break; } + for (match = 0; cp1 > lcres;) { + resdsc.dsc$a_pointer = cp1; + if (str$match_wild(&wilddsc,&resdsc) == STR$_MATCH) { + match++; + if (match == 1) lcfront = cp1; + } + for ( ; cp1 >= lcres; cp1--) if (*cp1 == '/') { cp1++; break; } + } + if (!match) return 0; /* Can't find prefix ??? */ + if (match > 1 && opts & 1) { + /* This ... wildcard could cover more than one set of dirs (i.e. + * a set of similar dir names is repeated). If the template + * contains more than 1 ..., upstream elements could resolve the + * ambiguity, but it's not worth a full backtracking setup here. + * As a quick heuristic, clip off the current default directory + * if it's present to find the trimmed spec, else use the + * shortest string that this ... could cover. + */ + char def[NAM$C_MAXRSS+1], *st; + + if (getcwd(def, sizeof def,0) == NULL) return 0; + for (cp1 = def, cp2 = base; *cp1 && *cp2; cp1++,cp2++) + if (_tolower(*cp1) != _tolower(*cp2)) break; + segdirs = dirs - totells; /* Min # of dirs we must have left */ + for (st = cp2+1; *st; st++) if (*st == '/') segdirs--; + if (*cp1 == '\0' && *cp2 == '/') { + memcpy(fspec,cp2+1,end - cp2); + return 1; + } + /* Nope -- stick with lcfront from above and keep going. */ + } + } + memcpy(fspec,base + (lcfront - lcres), lcend - lcfront + 1); return 1; + ellipsis = nextell; } } /* end of trim_unixpath() */ @@ -2111,12 +4834,23 @@ trim_unixpath(char *fspec, char *wildspec) /* * VMS readdir() routines. * Written by Rich $alz, in August, 1990. - * This code has no copyright. * - * 21-Jul-1994 Charles Bailey bailey@genetics.upenn.edu + * 21-Jul-1994 Charles Bailey bailey@newman.upenn.edu * Minor modifications to original routines. */ +/* readdir may have been redefined by reentr.h, so make sure we get + * the local version for what we do here. + */ +#ifdef readdir +# undef readdir +#endif +#if !defined(PERL_IMPLICIT_CONTEXT) +# define readdir Perl_readdir +#else +# define readdir(a) Perl_readdir(aTHX_ a) +#endif + /* Number of elements in vms_versions array */ #define VERSIZE(e) (sizeof e->vms_versions / sizeof e->vms_versions[0]) @@ -2125,18 +4859,30 @@ trim_unixpath(char *fspec, char *wildspec) */ /*{{{ DIR *opendir(char*name) */ DIR * -opendir(char *name) +Perl_opendir(pTHX_ char *name) { DIR *dd; char dir[NAM$C_MAXRSS+1]; - - /* Get memory for the handle, and the pattern. */ - New(7006,dd,1,DIR); + Stat_t sb; + if (do_tovmspath(name,dir,0) == NULL) { - Safefree((char *)dd); - return(NULL); + return NULL; + } + /* Check access before stat; otherwise stat does not + * accurately report whether it's a directory. + */ + if (!cando_by_name(S_IRUSR,0,dir)) { + /* cando_by_name has already set errno */ + return NULL; + } + if (flex_stat(dir,&sb) == -1) return NULL; + if (!S_ISDIR(sb.st_mode)) { + set_errno(ENOTDIR); set_vaxc_errno(RMS$_DIR); + return NULL; } - New(7007,dd->pattern,strlen(dir)+sizeof "*.*" + 1,char); + /* Get memory for the handle, and the pattern. */ + New(1306,dd,1,DIR); + New(1307,dd->pattern,strlen(dir)+sizeof "*.*" + 1,char); /* Fill in the fields; mainly playing with the descriptor. */ (void)sprintf(dd->pattern, "%s*.*",dir); @@ -2147,6 +4893,12 @@ opendir(char *name) dd->pat.dsc$w_length = strlen(dd->pattern); dd->pat.dsc$b_dtype = DSC$K_DTYPE_T; dd->pat.dsc$b_class = DSC$K_CLASS_S; +#if defined(USE_ITHREADS) + New(1308,dd->mutex,1,perl_mutex); + MUTEX_INIT( (perl_mutex *) dd->mutex ); +#else + dd->mutex = NULL; +#endif return dd; } /* end of opendir() */ @@ -2172,6 +4924,10 @@ closedir(DIR *dd) { (void)lib$find_file_end(&dd->context); Safefree(dd->pattern); +#if defined(USE_ITHREADS) + MUTEX_DESTROY( (perl_mutex *) dd->mutex ); + Safefree(dd->mutex); +#endif Safefree((char *)dd); } /*}}}*/ @@ -2180,8 +4936,7 @@ closedir(DIR *dd) * Collect all the version numbers for the current file. */ static void -collectversions(dd) - DIR *dd; +collectversions(pTHX_ DIR *dd) { struct dsc$descriptor_s pat; struct dsc$descriptor_s res; @@ -2195,7 +4950,7 @@ collectversions(dd) /* Add the version wildcard, ignoring the "*.*" put on before */ i = strlen(dd->pattern); - New(7008,text,i + e->d_namlen + 3,char); + New(1308,text,i + e->d_namlen + 3,char); (void)strcpy(text, dd->pattern); (void)sprintf(&text[i - 3], "%s;*", e->d_name); @@ -2235,7 +4990,7 @@ collectversions(dd) */ /*{{{ struct dirent *readdir(DIR *dd)*/ struct dirent * -readdir(DIR *dd) +Perl_readdir(pTHX_ DIR *dd) { struct dsc$descriptor_s res; char *p, buff[sizeof dd->entry.d_name]; @@ -2256,7 +5011,8 @@ readdir(DIR *dd) case RMS$_DEV: set_errno(ENODEV); break; case RMS$_DIR: - case RMS$_FNF: + set_errno(ENOTDIR); break; + case RMS$_FNF: case RMS$_DNF: set_errno(ENOENT); break; default: set_errno(EVMSERR); @@ -2266,7 +5022,8 @@ readdir(DIR *dd) dd->count++; /* Force the buffer to end with a NUL, and downcase name to match C convention. */ buff[sizeof buff - 1] = '\0'; - for (p = buff; !isspace(*p); p++) *p = _tolower(*p); + for (p = buff; *p; p++) *p = _tolower(*p); + while (--p >= buff) if (!isspace(*p)) break; /* Do we really need this? */ *p = '\0'; /* Skip any directory component and just copy the name. */ @@ -2278,13 +5035,35 @@ readdir(DIR *dd) dd->entry.d_namlen = strlen(dd->entry.d_name); dd->entry.vms_verscount = 0; - if (dd->vms_wantversions) collectversions(dd); + if (dd->vms_wantversions) collectversions(aTHX_ dd); return &dd->entry; } /* end of readdir() */ /*}}}*/ /* + * Read the next entry from the directory -- thread-safe version. + */ +/*{{{ int readdir_r(DIR *dd, struct dirent *entry, struct dirent **result)*/ +int +Perl_readdir_r(pTHX_ DIR *dd, struct dirent *entry, struct dirent **result) +{ + int retval; + + MUTEX_LOCK( (perl_mutex *) dd->mutex ); + + entry = readdir(dd); + *result = entry; + retval = ( *result == NULL ? errno : 0 ); + + MUTEX_UNLOCK( (perl_mutex *) dd->mutex ); + + return retval; + +} /* end of readdir_r() */ +/*}}}*/ + +/* * Return something that can be used in a seekdir later. */ /*{{{ long telldir(DIR *dd)*/ @@ -2300,7 +5079,7 @@ telldir(DIR *dd) */ /*{{{ void seekdir(DIR *dd,long count)*/ void -seekdir(DIR *dd, long count) +Perl_seekdir(pTHX_ DIR *dd, long count) { int vms_wantversions; @@ -2330,7 +5109,7 @@ seekdir(DIR *dd, long count) * * vms_do_aexec() and vms_do_exec() are called in response to the * perl 'exec' function. If this follows a vfork call, then they - * call out the the regular perl routines in doio.c which do an + * call out the regular perl routines in doio.c which do an * execvp (for those who really want to try this under VMS). * Otherwise, they do exactly what the perl docs say exec should * do - terminate the current script and invoke a new command @@ -2343,12 +5122,12 @@ seekdir(DIR *dd, long count) * in 'VMSish fashion' (i.e. not after a call to vfork) The args * are concatenated to form a DCL command string. If the first arg * begins with '$' (i.e. the perl script had "\$ Type" or some such), - * the the command string is hrnded off to DCL directly. Otherwise, + * the command string is handed off to DCL directly. Otherwise, * the first token of the command is taken as the filespec of an image * to run. The filespec is expanded using a default type of '.EXE' and - * the process defaults for device, directory, etc., and the resultant + * the process defaults for device, directory, etc., and if found, the resultant * filespec is invoked using the DCL verb 'MCR', and passed the rest of - * the command string as parameters. This is perhaps a bit compicated, + * the command string as parameters. This is perhaps a bit complicated, * but I hope it will form a happy medium between what VMS folks expect * from lib$spawn and what Unix folks expect from exec. */ @@ -2365,28 +5144,25 @@ my_vfork() /*}}}*/ -static struct dsc$descriptor_s VMScmd = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,Nullch}; - static void -vms_execfree() { - if (Cmd) { - Safefree(Cmd); - Cmd = Nullch; - } - if (VMScmd.dsc$a_pointer) { - Safefree(VMScmd.dsc$a_pointer); - VMScmd.dsc$w_length = 0; - VMScmd.dsc$a_pointer = Nullch; +vms_execfree(struct dsc$descriptor_s *vmscmd) +{ + if (vmscmd) { + if (vmscmd->dsc$a_pointer) { + Safefree(vmscmd->dsc$a_pointer); + } + Safefree(vmscmd); } } static char * -setup_argstr(SV *really, SV **mark, SV **sp) +setup_argstr(pTHX_ SV *really, SV **mark, SV **sp) { char *junk, *tmps = Nullch; register size_t cmdlen = 0; size_t rlen; register SV **idx; + STRLEN n_a; idx = mark; if (really) { @@ -2403,104 +5179,193 @@ setup_argstr(SV *really, SV **mark, SV **sp) cmdlen += rlen ? rlen + 1 : 0; } } - New(401,Cmd,cmdlen+1,char); + New(401,PL_Cmd,cmdlen+1,char); if (tmps && *tmps) { - strcpy(Cmd,tmps); + strcpy(PL_Cmd,tmps); mark++; } - else *Cmd = '\0'; + else *PL_Cmd = '\0'; while (++mark <= sp) { if (*mark) { - strcat(Cmd," "); - strcat(Cmd,SvPVx(*mark,na)); + char *s = SvPVx(*mark,n_a); + if (!*s) continue; + if (*PL_Cmd) strcat(PL_Cmd," "); + strcat(PL_Cmd,s); } } - return Cmd; + return PL_Cmd; } /* end of setup_argstr() */ static unsigned long int -setup_cmddsc(char *cmd, int check_img) +setup_cmddsc(pTHX_ char *cmd, int check_img, int *suggest_quote, + struct dsc$descriptor_s **pvmscmd) { - char resspec[NAM$C_MAXRSS+1]; + char vmsspec[NAM$C_MAXRSS+1], resspec[NAM$C_MAXRSS+1]; $DESCRIPTOR(defdsc,".EXE"); + $DESCRIPTOR(defdsc2,"."); $DESCRIPTOR(resdsc,resspec); + struct dsc$descriptor_s *vmscmd; struct dsc$descriptor_s imgdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; - unsigned long int cxt = 0, flags = 1, retsts; - register char *s, *rest, *cp; - register int isdcl = 0; + unsigned long int cxt = 0, flags = 1, retsts = SS$_NORMAL; + register char *s, *rest, *cp, *wordbreak; + register int isdcl; + + New(402,vmscmd,sizeof(struct dsc$descriptor_s),struct dsc$descriptor_s); + vmscmd->dsc$a_pointer = NULL; + vmscmd->dsc$b_dtype = DSC$K_DTYPE_T; + vmscmd->dsc$b_class = DSC$K_CLASS_S; + vmscmd->dsc$w_length = 0; + if (pvmscmd) *pvmscmd = vmscmd; + if (suggest_quote) *suggest_quote = 0; + + if (strlen(cmd) > MAX_DCL_LINE_LENGTH) + return CLI$_BUFOVF; /* continuation lines currently unsupported */ s = cmd; while (*s && isspace(*s)) s++; - if (check_img) { - if (*s == '$') { /* Check whether this is a DCL command: leading $ and */ - isdcl = 1; /* no dev/dir separators (i.e. not a foreign command) */ - for (cp = s; *cp && *cp != '/' && !isspace(*cp); cp++) { - if (*cp == ':' || *cp == '[' || *cp == '<') { - isdcl = 0; - break; - } + + if (*s == '@' || *s == '$') { + vmsspec[0] = *s; rest = s + 1; + for (cp = &vmsspec[1]; *rest && isspace(*rest); rest++,cp++) *cp = *rest; + } + else { cp = vmsspec; rest = s; } + if (*rest == '.' || *rest == '/') { + char *cp2; + for (cp2 = resspec; + *rest && !isspace(*rest) && cp2 - resspec < sizeof resspec; + rest++, cp2++) *cp2 = *rest; + *cp2 = '\0'; + if (do_tovmsspec(resspec,cp,0)) { + s = vmsspec; + if (*rest) { + for (cp2 = vmsspec + strlen(vmsspec); + *rest && cp2 - vmsspec < sizeof vmsspec; + rest++, cp2++) *cp2 = *rest; + *cp2 = '\0'; } } } - else isdcl = 1; - if (isdcl) { /* It's a DCL command, just do it. */ - VMScmd.dsc$w_length = strlen(cmd); - if (cmd == Cmd) { - VMScmd.dsc$a_pointer = Cmd; - Cmd = Nullch; /* Don't try to free twice in vms_execfree() */ - } - else VMScmd.dsc$a_pointer = savepvn(cmd,VMScmd.dsc$w_length); + /* Intuit whether verb (first word of cmd) is a DCL command: + * - if first nonspace char is '@', it's a DCL indirection + * otherwise + * - if verb contains a filespec separator, it's not a DCL command + * - if it doesn't, caller tells us whether to default to a DCL + * command, or to a local image unless told it's DCL (by leading '$') + */ + if (*s == '@') { + isdcl = 1; + if (suggest_quote) *suggest_quote = 1; + } else { + register char *filespec = strpbrk(s,":<[.;"); + rest = wordbreak = strpbrk(s," \"\t/"); + if (!wordbreak) wordbreak = s + strlen(s); + if (*s == '$') check_img = 0; + if (filespec && (filespec < wordbreak)) isdcl = 0; + else isdcl = !check_img; } - else { /* assume first token is an image spec */ - cmd = s; - while (*s && !isspace(*s)) s++; - rest = *s ? s : 0; - imgdsc.dsc$a_pointer = cmd; - imgdsc.dsc$w_length = s - cmd; + + if (!isdcl) { + imgdsc.dsc$a_pointer = s; + imgdsc.dsc$w_length = wordbreak - s; retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc,0,0,&flags); - if (!(retsts & 1)) { - /* just hand off status values likely to be due to user error */ - if (retsts == RMS$_FNF || retsts == RMS$_DNF || - retsts == RMS$_DEV || retsts == RMS$_DIR || retsts == RMS$_SYN || - (retsts & STS$M_CODE) == (SHR$_NOWILD & STS$M_CODE)) return retsts; - else { _ckvmssts(retsts); } - } - else { + if (!(retsts&1)) { + _ckvmssts(lib$find_file_end(&cxt)); + retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc2,0,0,&flags); + if (!(retsts & 1) && *s == '$') { + _ckvmssts(lib$find_file_end(&cxt)); + imgdsc.dsc$a_pointer++; imgdsc.dsc$w_length--; + retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc,0,0,&flags); + if (!(retsts&1)) { _ckvmssts(lib$find_file_end(&cxt)); + retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc2,0,0,&flags); + } + } + } + _ckvmssts(lib$find_file_end(&cxt)); + + if (retsts & 1) { + FILE *fp; s = resspec; while (*s && !isspace(*s)) s++; *s = '\0'; - New(402,VMScmd.dsc$a_pointer,7 + s - resspec + (rest ? strlen(rest) : 0),char); - strcpy(VMScmd.dsc$a_pointer,"$ MCR "); - strcat(VMScmd.dsc$a_pointer,resspec); - if (rest) strcat(VMScmd.dsc$a_pointer,rest); - VMScmd.dsc$w_length = strlen(VMScmd.dsc$a_pointer); + + /* check that it's really not DCL with no file extension */ + fp = fopen(resspec,"r","ctx=bin,shr=get"); + if (fp) { + char b[4] = {0,0,0,0}; + read(fileno(fp),b,4); + isdcl = isprint(b[0]) && isprint(b[1]) && isprint(b[2]) && isprint(b[3]); + fclose(fp); + } + if (check_img && isdcl) return RMS$_FNF; + + if (cando_by_name(S_IXUSR,0,resspec)) { + New(402,vmscmd->dsc$a_pointer,7 + s - resspec + (rest ? strlen(rest) : 0),char); + if (!isdcl) { + strcpy(vmscmd->dsc$a_pointer,"$ MCR "); + if (suggest_quote) *suggest_quote = 1; + } else { + strcpy(vmscmd->dsc$a_pointer,"@"); + if (suggest_quote) *suggest_quote = 1; + } + strcat(vmscmd->dsc$a_pointer,resspec); + if (rest) strcat(vmscmd->dsc$a_pointer,rest); + vmscmd->dsc$w_length = strlen(vmscmd->dsc$a_pointer); + return (vmscmd->dsc$w_length > MAX_DCL_LINE_LENGTH ? CLI$_BUFOVF : retsts); + } + else retsts = RMS$_PRV; } } + /* It's either a DCL command or we couldn't find a suitable image */ + vmscmd->dsc$w_length = strlen(cmd); +/* if (cmd == PL_Cmd) { + vmscmd->dsc$a_pointer = PL_Cmd; + if (suggest_quote) *suggest_quote = 1; + } + else */ + vmscmd->dsc$a_pointer = savepvn(cmd,vmscmd->dsc$w_length); + + /* check if it's a symbol (for quoting purposes) */ + if (suggest_quote && !*suggest_quote) { + int iss; + char equiv[LNM$C_NAMLENGTH]; + struct dsc$descriptor_s eqvdsc = {sizeof(equiv), DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; + eqvdsc.dsc$a_pointer = equiv; + + iss = lib$get_symbol(vmscmd,&eqvdsc); + if (iss&1 && (*equiv == '$' || *equiv == '@')) *suggest_quote = 1; + } + if (!(retsts & 1)) { + /* just hand off status values likely to be due to user error */ + if (retsts == RMS$_FNF || retsts == RMS$_DNF || retsts == RMS$_PRV || + retsts == RMS$_DEV || retsts == RMS$_DIR || retsts == RMS$_SYN || + (retsts & STS$M_CODE) == (SHR$_NOWILD & STS$M_CODE)) return retsts; + else { _ckvmssts(retsts); } + } - return (VMScmd.dsc$w_length > 255 ? CLI$_BUFOVF : SS$_NORMAL); + return (vmscmd->dsc$w_length > MAX_DCL_LINE_LENGTH ? CLI$_BUFOVF : retsts); } /* end of setup_cmddsc() */ /* {{{ bool vms_do_aexec(SV *really,SV **mark,SV **sp) */ bool -vms_do_aexec(SV *really,SV **mark,SV **sp) +Perl_vms_do_aexec(pTHX_ SV *really,SV **mark,SV **sp) { if (sp > mark) { if (vfork_called) { /* this follows a vfork - act Unixish */ vfork_called--; if (vfork_called < 0) { - warn("Internal inconsistency in tracking vforks"); + Perl_warn(aTHX_ "Internal inconsistency in tracking vforks"); vfork_called = 0; } else return do_aexec(really,mark,sp); } /* no vfork - act VMSish */ - return vms_do_exec(setup_argstr(really,mark,sp)); + return vms_do_exec(setup_argstr(aTHX_ really,mark,sp)); } @@ -2510,13 +5375,14 @@ vms_do_aexec(SV *really,SV **mark,SV **sp) /* {{{bool vms_do_exec(char *cmd) */ bool -vms_do_exec(char *cmd) +Perl_vms_do_exec(pTHX_ char *cmd) { + struct dsc$descriptor_s *vmscmd; if (vfork_called) { /* this follows a vfork - act Unixish */ vfork_called--; if (vfork_called < 0) { - warn("Internal inconsistency in tracking vforks"); + Perl_warn(aTHX_ "Internal inconsistency in tracking vforks"); vfork_called = 0; } else return do_exec(cmd); @@ -2525,85 +5391,218 @@ vms_do_exec(char *cmd) { /* no vfork - act VMSish */ unsigned long int retsts; - if ((retsts = setup_cmddsc(cmd,1)) & 1) - retsts = lib$do_command(&VMScmd); - - set_errno(EVMSERR); + TAINT_ENV(); + TAINT_PROPER("exec"); + if ((retsts = setup_cmddsc(aTHX_ cmd,1,0,&vmscmd)) & 1) + retsts = lib$do_command(vmscmd); + + switch (retsts) { + case RMS$_FNF: case RMS$_DNF: + set_errno(ENOENT); break; + case RMS$_DIR: + set_errno(ENOTDIR); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_PRV: + set_errno(EACCES); break; + case RMS$_SYN: + set_errno(EINVAL); break; + case CLI$_BUFOVF: case RMS$_RTB: case CLI$_TKNOVF: case CLI$_RSLOVF: + set_errno(E2BIG); break; + case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */ + _ckvmssts(retsts); /* fall through */ + default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */ + set_errno(EVMSERR); + } set_vaxc_errno(retsts); - if (dowarn) - warn("Can't exec \"%s\": %s", VMScmd.dsc$a_pointer, Strerror(errno)); - vms_execfree(); + if (ckWARN(WARN_EXEC)) { + Perl_warner(aTHX_ packWARN(WARN_EXEC),"Can't exec \"%*s\": %s", + vmscmd->dsc$w_length, vmscmd->dsc$a_pointer, Strerror(errno)); + } + vms_execfree(vmscmd); + } + + return FALSE; + +} /* end of vms_do_exec() */ +/*}}}*/ + +unsigned long int Perl_do_spawn(pTHX_ char *); + +/* {{{ unsigned long int do_aspawn(void *really,void **mark,void **sp) */ +unsigned long int +Perl_do_aspawn(pTHX_ void *really,void **mark,void **sp) +{ + if (sp > mark) return do_spawn(setup_argstr(aTHX_ (SV *)really,(SV **)mark,(SV **)sp)); + + return SS$_ABORT; +} /* end of do_aspawn() */ +/*}}}*/ + +/* {{{unsigned long int do_spawn(char *cmd) */ +unsigned long int +Perl_do_spawn(pTHX_ char *cmd) +{ + unsigned long int sts, substs; + + TAINT_ENV(); + TAINT_PROPER("spawn"); + if (!cmd || !*cmd) { + sts = lib$spawn(0,0,0,0,0,0,&substs,0,0,0,0,0,0); + if (!(sts & 1)) { + switch (sts) { + case RMS$_FNF: case RMS$_DNF: + set_errno(ENOENT); break; + case RMS$_DIR: + set_errno(ENOTDIR); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_PRV: + set_errno(EACCES); break; + case RMS$_SYN: + set_errno(EINVAL); break; + case CLI$_BUFOVF: case RMS$_RTB: case CLI$_TKNOVF: case CLI$_RSLOVF: + set_errno(E2BIG); break; + case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */ + _ckvmssts(sts); /* fall through */ + default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */ + set_errno(EVMSERR); + } + set_vaxc_errno(sts); + if (ckWARN(WARN_EXEC)) { + Perl_warner(aTHX_ packWARN(WARN_EXEC),"Can't spawn: %s", + Strerror(errno)); + } + } + sts = substs; } - - return FALSE; - -} /* end of vms_do_exec() */ + else { + (void) safe_popen(aTHX_ cmd, "nW", (int *)&sts); + } + return sts; +} /* end of do_spawn() */ /*}}}*/ -unsigned long int do_spawn(char *); -/* {{{ unsigned long int do_aspawn(SV *really,SV **mark,SV **sp) */ -unsigned long int -do_aspawn(SV *really,SV **mark,SV **sp) +static unsigned int *sockflags, sockflagsize; + +/* + * Shim fdopen to identify sockets for my_fwrite later, since the stdio + * routines found in some versions of the CRTL can't deal with sockets. + * We don't shim the other file open routines since a socket isn't + * likely to be opened by a name. + */ +/*{{{ FILE *my_fdopen(int fd, const char *mode)*/ +FILE *my_fdopen(int fd, const char *mode) { - if (sp > mark) return do_spawn(setup_argstr(really,mark,sp)); + FILE *fp = fdopen(fd, (char *) mode); + + if (fp) { + unsigned int fdoff = fd / sizeof(unsigned int); + struct stat sbuf; /* native stat; we don't need flex_stat */ + if (!sockflagsize || fdoff > sockflagsize) { + if (sockflags) Renew( sockflags,fdoff+2,unsigned int); + else New (1324,sockflags,fdoff+2,unsigned int); + memset(sockflags+sockflagsize,0,fdoff + 2 - sockflagsize); + sockflagsize = fdoff + 2; + } + if (fstat(fd,&sbuf) == 0 && S_ISSOCK(sbuf.st_mode)) + sockflags[fdoff] |= 1 << (fd % sizeof(unsigned int)); + } + return fp; - return SS$_ABORT; -} /* end of do_aspawn() */ +} /*}}}*/ -/* {{{unsigned long int do_spawn(char *cmd) */ -unsigned long int -do_spawn(char *cmd) -{ - unsigned long int substs, hadcmd = 1; - if (!cmd || !*cmd) { - hadcmd = 0; - _ckvmssts(lib$spawn(0,0,0,0,0,0,&substs,0,0,0,0,0,0)); - } - else if ((substs = setup_cmddsc(cmd,0)) & 1) { - _ckvmssts(lib$spawn(&VMScmd,0,0,0,0,0,&substs,0,0,0,0,0,0)); - } - - if (!(substs&1)) { - set_errno(EVMSERR); - set_vaxc_errno(substs); - if (dowarn) - warn("Can't spawn \"%s\": %s", - hadcmd ? VMScmd.dsc$a_pointer : "", Strerror(errno)); +/* + * Clear the corresponding bit when the (possibly) socket stream is closed. + * There still a small hole: we miss an implicit close which might occur + * via freopen(). >> Todo + */ +/*{{{ int my_fclose(FILE *fp)*/ +int my_fclose(FILE *fp) { + if (fp) { + unsigned int fd = fileno(fp); + unsigned int fdoff = fd / sizeof(unsigned int); + + if (sockflagsize && fdoff <= sockflagsize) + sockflags[fdoff] &= ~(1 << fd % sizeof(unsigned int)); } - vms_execfree(); - return substs; - -} /* end of do_spawn() */ + return fclose(fp); +} /*}}}*/ + /* * A simple fwrite replacement which outputs itmsz*nitm chars without * introducing record boundaries every itmsz chars. + * We are using fputs, which depends on a terminating null. We may + * well be writing binary data, so we need to accommodate not only + * data with nulls sprinkled in the middle but also data with no null + * byte at the end. */ -/*{{{ int my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest)*/ +/*{{{ int my_fwrite(const void *src, size_t itmsz, size_t nitm, FILE *dest)*/ int -my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest) +my_fwrite(const void *src, size_t itmsz, size_t nitm, FILE *dest) { - register char *cp, *end; + register char *cp, *end, *cpd, *data; + register unsigned int fd = fileno(dest); + register unsigned int fdoff = fd / sizeof(unsigned int); + int retval; + int bufsize = itmsz * nitm + 1; + + if (fdoff < sockflagsize && + (sockflags[fdoff] | 1 << (fd % sizeof(unsigned int)))) { + if (write(fd, src, itmsz * nitm) == EOF) return EOF; + return nitm; + } - end = (char *)src + itmsz * nitm; + _ckvmssts_noperl(lib$get_vm(&bufsize, &data)); + memcpy( data, src, itmsz*nitm ); + data[itmsz*nitm] = '\0'; - while ((char *)src <= end) { - for (cp = src; cp <= end; cp++) if (!*cp) break; - if (fputs(src,dest) == EOF) return EOF; + end = data + itmsz * nitm; + retval = (int) nitm; /* on success return # items written */ + + cpd = data; + while (cpd <= end) { + for (cp = cpd; cp <= end; cp++) if (!*cp) break; + if (fputs(cpd,dest) == EOF) { retval = EOF; break; } if (cp < end) - if (fputc('\0',dest) == EOF) return EOF; - src = cp + 1; + if (fputc('\0',dest) == EOF) { retval = EOF; break; } + cpd = cp + 1; } - return 1; + if (data) _ckvmssts_noperl(lib$free_vm(&bufsize, &data)); + return retval; } /* end of my_fwrite() */ /*}}}*/ +/*{{{ int my_flush(FILE *fp)*/ +int +Perl_my_flush(pTHX_ FILE *fp) +{ + int res; + if ((res = fflush(fp)) == 0 && fp) { +#ifdef VMS_DO_SOCKETS + Stat_t s; + if (Fstat(fileno(fp), &s) == 0 && !S_ISSOCK(s.st_mode)) +#endif + res = fsync(fileno(fp)); + } +/* + * If the flush succeeded but set end-of-file, we need to clear + * the error because our caller may check ferror(). BTW, this + * probably means we just flushed an empty file. + */ + if (res == 0 && vaxc$errno == RMS$_EOF) clearerr(fp); + + return res; +} +/*}}}*/ + /* * Here are replacements for the following Unix routines in the VMS environment: * getpwuid Get information for a particular UIC or UID @@ -2664,7 +5663,7 @@ static char __pw_namecache[UAI$S_IDENT+1]; /* * This routine does most of the work extracting the user information. */ -static int fillpasswd (const char *name, struct passwd *pwd) +static int fillpasswd (pTHX_ const char *name, struct passwd *pwd) { static struct { unsigned char length; @@ -2724,7 +5723,7 @@ static int fillpasswd (const char *name, struct passwd *pwd) pwd->pw_gid= uic.uic$v_group; } else - warn("getpwnam returned invalid UIC %#o for user \"%s\""); + Perl_warn(aTHX_ "getpwnam returned invalid UIC %#o for user \"%s\""); pwd->pw_passwd= pw_passwd; pwd->pw_gecos= owner.pw_gecos; pwd->pw_dir= defdev.pw_dir; @@ -2745,30 +5744,30 @@ static int fillpasswd (const char *name, struct passwd *pwd) * Get information for a named user. */ /*{{{struct passwd *getpwnam(char *name)*/ -struct passwd *my_getpwnam(char *name) +struct passwd *Perl_my_getpwnam(pTHX_ char *name) { struct dsc$descriptor_s name_desc; union uicdef uic; - unsigned long int status, stat; + unsigned long int status, sts; __pwdcache = __passwd_empty; - if (!fillpasswd(name, &__pwdcache)) { + if (!fillpasswd(aTHX_ name, &__pwdcache)) { /* We still may be able to determine pw_uid and pw_gid */ name_desc.dsc$w_length= strlen(name); name_desc.dsc$b_dtype= DSC$K_DTYPE_T; name_desc.dsc$b_class= DSC$K_CLASS_S; name_desc.dsc$a_pointer= (char *) name; - if ((stat = sys$asctoid(&name_desc, &uic, 0)) == SS$_NORMAL) { + if ((sts = sys$asctoid(&name_desc, &uic, 0)) == SS$_NORMAL) { __pwdcache.pw_uid= uic.uic$l_uic; __pwdcache.pw_gid= uic.uic$v_group; } else { - if (stat == SS$_NOSUCHID || stat == SS$_IVIDENT || stat == RMS$_PRV) { - set_vaxc_errno(stat); - set_errno(stat == RMS$_PRV ? EACCES : EINVAL); + if (sts == SS$_NOSUCHID || sts == SS$_IVIDENT || sts == RMS$_PRV) { + set_vaxc_errno(sts); + set_errno(sts == RMS$_PRV ? EACCES : EINVAL); return NULL; } - else { _ckvmssts(stat); } + else { _ckvmssts(sts); } } } strncpy(__pw_namecache, name, sizeof(__pw_namecache)); @@ -2783,7 +5782,7 @@ struct passwd *my_getpwnam(char *name) * Called by my_getpwent with uid=-1 to list all users. */ /*{{{struct passwd *my_getpwuid(Uid_t uid)*/ -struct passwd *my_getpwuid(Uid_t uid) +struct passwd *Perl_my_getpwuid(pTHX_ Uid_t uid) { const $DESCRIPTOR(name_desc,__pw_namecache); unsigned short lname; @@ -2805,7 +5804,7 @@ struct passwd *my_getpwuid(Uid_t uid) else { uic.uic$l_uic= uid; if (!uic.uic$v_group) - uic.uic$v_group= getgid(); + uic.uic$v_group= PerlProc_getgid(); if (valid_uic(uic)) status = sys$idtoasc(uic.uic$l_uic, &lname, &name_desc, 0, 0, 0); else status = SS$_IVIDENT; @@ -2828,85 +5827,793 @@ struct passwd *my_getpwuid(Uid_t uid) __pwdcache.pw_uid = uic.uic$l_uic; __pwdcache.pw_gid = uic.uic$v_group; - fillpasswd(__pw_namecache, &__pwdcache); + fillpasswd(aTHX_ __pw_namecache, &__pwdcache); return &__pwdcache; } /* end of my_getpwuid() */ /*}}}*/ -/* - * Get information for next user. -*/ -/*{{{struct passwd *my_getpwent()*/ -struct passwd *my_getpwent() -{ - return (my_getpwuid((unsigned int) -1)); -} -/*}}}*/ +/* + * Get information for next user. +*/ +/*{{{struct passwd *my_getpwent()*/ +struct passwd *Perl_my_getpwent(pTHX) +{ + return (my_getpwuid((unsigned int) -1)); +} +/*}}}*/ + +/* + * Finish searching rights database for users. +*/ +/*{{{void my_endpwent()*/ +void Perl_my_endpwent(pTHX) +{ + if (contxt) { + _ckvmssts(sys$finish_rdb(&contxt)); + contxt= 0; + } +} +/*}}}*/ + +#ifdef HOMEGROWN_POSIX_SIGNALS + /* Signal handling routines, pulled into the core from POSIX.xs. + * + * We need these for threads, so they've been rolled into the core, + * rather than left in POSIX.xs. + * + * (DRS, Oct 23, 1997) + */ + + /* sigset_t is atomic under VMS, so these routines are easy */ +/*{{{int my_sigemptyset(sigset_t *) */ +int my_sigemptyset(sigset_t *set) { + if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; } + *set = 0; return 0; +} +/*}}}*/ + + +/*{{{int my_sigfillset(sigset_t *)*/ +int my_sigfillset(sigset_t *set) { + int i; + if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; } + for (i = 0; i < NSIG; i++) *set |= (1 << i); + return 0; +} +/*}}}*/ + + +/*{{{int my_sigaddset(sigset_t *set, int sig)*/ +int my_sigaddset(sigset_t *set, int sig) { + if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; } + if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; } + *set |= (1 << (sig - 1)); + return 0; +} +/*}}}*/ + + +/*{{{int my_sigdelset(sigset_t *set, int sig)*/ +int my_sigdelset(sigset_t *set, int sig) { + if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; } + if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; } + *set &= ~(1 << (sig - 1)); + return 0; +} +/*}}}*/ + + +/*{{{int my_sigismember(sigset_t *set, int sig)*/ +int my_sigismember(sigset_t *set, int sig) { + if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; } + if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; } + return *set & (1 << (sig - 1)); +} +/*}}}*/ + + +/*{{{int my_sigprocmask(int how, sigset_t *set, sigset_t *oset)*/ +int my_sigprocmask(int how, sigset_t *set, sigset_t *oset) { + sigset_t tempmask; + + /* If set and oset are both null, then things are badly wrong. Bail out. */ + if ((oset == NULL) && (set == NULL)) { + set_errno(EFAULT); set_vaxc_errno(SS$_ACCVIO); + return -1; + } + + /* If set's null, then we're just handling a fetch. */ + if (set == NULL) { + tempmask = sigblock(0); + } + else { + switch (how) { + case SIG_SETMASK: + tempmask = sigsetmask(*set); + break; + case SIG_BLOCK: + tempmask = sigblock(*set); + break; + case SIG_UNBLOCK: + tempmask = sigblock(0); + sigsetmask(*oset & ~tempmask); + break; + default: + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + return -1; + } + } + + /* Did they pass us an oset? If so, stick our holding mask into it */ + if (oset) + *oset = tempmask; + + return 0; +} +/*}}}*/ +#endif /* HOMEGROWN_POSIX_SIGNALS */ + + +/* Used for UTC calculation in my_gmtime(), my_localtime(), my_time(), + * my_utime(), and flex_stat(), all of which operate on UTC unless + * VMSISH_TIMES is true. + */ +/* method used to handle UTC conversions: + * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction + */ +static int gmtime_emulation_type; +/* number of secs to add to UTC POSIX-style time to get local time */ +static long int utc_offset_secs; + +/* We #defined 'gmtime', 'localtime', and 'time' as 'my_gmtime' etc. + * in vmsish.h. #undef them here so we can call the CRTL routines + * directly. + */ +#undef gmtime +#undef localtime +#undef time + + +/* + * DEC C previous to 6.0 corrupts the behavior of the /prefix + * qualifier with the extern prefix pragma. This provisional + * hack circumvents this prefix pragma problem in previous + * precompilers. + */ +#if defined(__VMS_VER) && __VMS_VER >= 70000000 +# if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000) +# pragma __extern_prefix save +# pragma __extern_prefix "" /* set to empty to prevent prefixing */ +# define gmtime decc$__utctz_gmtime +# define localtime decc$__utctz_localtime +# define time decc$__utc_time +# pragma __extern_prefix restore + + struct tm *gmtime(), *localtime(); + +# endif +#endif + + +static time_t toutc_dst(time_t loc) { + struct tm *rsltmp; + + if ((rsltmp = localtime(&loc)) == NULL) return -1; + loc -= utc_offset_secs; + if (rsltmp->tm_isdst) loc -= 3600; + return loc; +} +#define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ + ((gmtime_emulation_type || my_time(NULL)), \ + (gmtime_emulation_type == 1 ? toutc_dst(secs) : \ + ((secs) - utc_offset_secs)))) + +static time_t toloc_dst(time_t utc) { + struct tm *rsltmp; + + utc += utc_offset_secs; + if ((rsltmp = localtime(&utc)) == NULL) return -1; + if (rsltmp->tm_isdst) utc += 3600; + return utc; +} +#define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ + ((gmtime_emulation_type || my_time(NULL)), \ + (gmtime_emulation_type == 1 ? toloc_dst(secs) : \ + ((secs) + utc_offset_secs)))) + +#ifndef RTL_USES_UTC +/* + + ucx$tz = "EST5EDT4,M4.1.0,M10.5.0" typical + DST starts on 1st sun of april at 02:00 std time + ends on last sun of october at 02:00 dst time + see the UCX management command reference, SET CONFIG TIMEZONE + for formatting info. + + No, it's not as general as it should be, but then again, NOTHING + will handle UK times in a sensible way. +*/ + + +/* + parse the DST start/end info: + (Jddd|ddd|Mmon.nth.dow)[/hh:mm:ss] +*/ + +static char * +tz_parse_startend(char *s, struct tm *w, int *past) +{ + int dinm[] = {31,28,31,30,31,30,31,31,30,31,30,31}; + int ly, dozjd, d, m, n, hour, min, sec, j, k; + time_t g; + + if (!s) return 0; + if (!w) return 0; + if (!past) return 0; + + ly = 0; + if (w->tm_year % 4 == 0) ly = 1; + if (w->tm_year % 100 == 0) ly = 0; + if (w->tm_year+1900 % 400 == 0) ly = 1; + if (ly) dinm[1]++; + + dozjd = isdigit(*s); + if (*s == 'J' || *s == 'j' || dozjd) { + if (!dozjd && !isdigit(*++s)) return 0; + d = *s++ - '0'; + if (isdigit(*s)) { + d = d*10 + *s++ - '0'; + if (isdigit(*s)) { + d = d*10 + *s++ - '0'; + } + } + if (d == 0) return 0; + if (d > 366) return 0; + d--; + if (!dozjd && d > 58 && ly) d++; /* after 28 feb */ + g = d * 86400; + dozjd = 1; + } else if (*s == 'M' || *s == 'm') { + if (!isdigit(*++s)) return 0; + m = *s++ - '0'; + if (isdigit(*s)) m = 10*m + *s++ - '0'; + if (*s != '.') return 0; + if (!isdigit(*++s)) return 0; + n = *s++ - '0'; + if (n < 1 || n > 5) return 0; + if (*s != '.') return 0; + if (!isdigit(*++s)) return 0; + d = *s++ - '0'; + if (d > 6) return 0; + } + + if (*s == '/') { + if (!isdigit(*++s)) return 0; + hour = *s++ - '0'; + if (isdigit(*s)) hour = 10*hour + *s++ - '0'; + if (*s == ':') { + if (!isdigit(*++s)) return 0; + min = *s++ - '0'; + if (isdigit(*s)) min = 10*min + *s++ - '0'; + if (*s == ':') { + if (!isdigit(*++s)) return 0; + sec = *s++ - '0'; + if (isdigit(*s)) sec = 10*sec + *s++ - '0'; + } + } + } else { + hour = 2; + min = 0; + sec = 0; + } + + if (dozjd) { + if (w->tm_yday < d) goto before; + if (w->tm_yday > d) goto after; + } else { + if (w->tm_mon+1 < m) goto before; + if (w->tm_mon+1 > m) goto after; + + j = (42 + w->tm_wday - w->tm_mday)%7; /*dow of mday 0 */ + k = d - j; /* mday of first d */ + if (k <= 0) k += 7; + k += 7 * ((n>4?4:n)-1); /* mday of n'th d */ + if (n == 5 && k+7 <= dinm[w->tm_mon]) k += 7; + if (w->tm_mday < k) goto before; + if (w->tm_mday > k) goto after; + } + + if (w->tm_hour < hour) goto before; + if (w->tm_hour > hour) goto after; + if (w->tm_min < min) goto before; + if (w->tm_min > min) goto after; + if (w->tm_sec < sec) goto before; + goto after; + +before: + *past = 0; + return s; +after: + *past = 1; + return s; +} + + + + +/* parse the offset: (+|-)hh[:mm[:ss]] */ + +static char * +tz_parse_offset(char *s, int *offset) +{ + int hour = 0, min = 0, sec = 0; + int neg = 0; + if (!s) return 0; + if (!offset) return 0; + + if (*s == '-') {neg++; s++;} + if (*s == '+') s++; + if (!isdigit(*s)) return 0; + hour = *s++ - '0'; + if (isdigit(*s)) hour = hour*10+(*s++ - '0'); + if (hour > 24) return 0; + if (*s == ':') { + if (!isdigit(*++s)) return 0; + min = *s++ - '0'; + if (isdigit(*s)) min = min*10 + (*s++ - '0'); + if (min > 59) return 0; + if (*s == ':') { + if (!isdigit(*++s)) return 0; + sec = *s++ - '0'; + if (isdigit(*s)) sec = sec*10 + (*s++ - '0'); + if (sec > 59) return 0; + } + } + + *offset = (hour*60+min)*60 + sec; + if (neg) *offset = -*offset; + return s; +} + +/* + input time is w, whatever type of time the CRTL localtime() uses. + sets dst, the zone, and the gmtoff (seconds) + + caches the value of TZ and UCX$TZ env variables; note that + my_setenv looks for these and sets a flag if they're changed + for efficiency. + + We have to watch out for the "australian" case (dst starts in + october, ends in april)...flagged by "reverse" and checked by + scanning through the months of the previous year. + +*/ + +static int +tz_parse(pTHX_ time_t *w, int *dst, char *zone, int *gmtoff) +{ + time_t when; + struct tm *w2; + char *s,*s2; + char *dstzone, *tz, *s_start, *s_end; + int std_off, dst_off, isdst; + int y, dststart, dstend; + static char envtz[1025]; /* longer than any logical, symbol, ... */ + static char ucxtz[1025]; + static char reversed = 0; + + if (!w) return 0; + + if (tz_updated) { + tz_updated = 0; + reversed = -1; /* flag need to check */ + envtz[0] = ucxtz[0] = '\0'; + tz = my_getenv("TZ",0); + if (tz) strcpy(envtz, tz); + tz = my_getenv("UCX$TZ",0); + if (tz) strcpy(ucxtz, tz); + if (!envtz[0] && !ucxtz[0]) return 0; /* we give up */ + } + tz = envtz; + if (!*tz) tz = ucxtz; + + s = tz; + while (isalpha(*s)) s++; + s = tz_parse_offset(s, &std_off); + if (!s) return 0; + if (!*s) { /* no DST, hurray we're done! */ + isdst = 0; + goto done; + } + + dstzone = s; + while (isalpha(*s)) s++; + s2 = tz_parse_offset(s, &dst_off); + if (s2) { + s = s2; + } else { + dst_off = std_off - 3600; + } + + if (!*s) { /* default dst start/end?? */ + if (tz != ucxtz) { /* if TZ tells zone only, UCX$TZ tells rule */ + s = strchr(ucxtz,','); + } + if (!s || !*s) s = ",M4.1.0,M10.5.0"; /* we know we do dst, default rule */ + } + if (*s != ',') return 0; + + when = *w; + when = _toutc(when); /* convert to utc */ + when = when - std_off; /* convert to pseudolocal time*/ + + w2 = localtime(&when); + y = w2->tm_year; + s_start = s+1; + s = tz_parse_startend(s_start,w2,&dststart); + if (!s) return 0; + if (*s != ',') return 0; + + when = *w; + when = _toutc(when); /* convert to utc */ + when = when - dst_off; /* convert to pseudolocal time*/ + w2 = localtime(&when); + if (w2->tm_year != y) { /* spans a year, just check one time */ + when += dst_off - std_off; + w2 = localtime(&when); + } + s_end = s+1; + s = tz_parse_startend(s_end,w2,&dstend); + if (!s) return 0; + + if (reversed == -1) { /* need to check if start later than end */ + int j, ds, de; + + when = *w; + if (when < 2*365*86400) { + when += 2*365*86400; + } else { + when -= 365*86400; + } + w2 =localtime(&when); + when = when + (15 - w2->tm_yday) * 86400; /* jan 15 */ + + for (j = 0; j < 12; j++) { + w2 =localtime(&when); + (void) tz_parse_startend(s_start,w2,&ds); + (void) tz_parse_startend(s_end,w2,&de); + if (ds != de) break; + when += 30*86400; + } + reversed = 0; + if (de && !ds) reversed = 1; + } + + isdst = dststart && !dstend; + if (reversed) isdst = dststart || !dstend; + +done: + if (dst) *dst = isdst; + if (gmtoff) *gmtoff = isdst ? dst_off : std_off; + if (isdst) tz = dstzone; + if (zone) { + while(isalpha(*tz)) *zone++ = *tz++; + *zone = '\0'; + } + return 1; +} + +#endif /* !RTL_USES_UTC */ + +/* my_time(), my_localtime(), my_gmtime() + * By default traffic in UTC time values, using CRTL gmtime() or + * SYS$TIMEZONE_DIFFERENTIAL to determine offset from local time zone. + * Note: We need to use these functions even when the CRTL has working + * UTC support, since they also handle C + * + * Contributed by Chuck Lane + * Modified by Charles Bailey + */ + +/*{{{time_t my_time(time_t *timep)*/ +time_t Perl_my_time(pTHX_ time_t *timep) +{ + time_t when; + struct tm *tm_p; + + if (gmtime_emulation_type == 0) { + int dstnow; + time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */ + /* results of calls to gmtime() and localtime() */ + /* for same &base */ + + gmtime_emulation_type++; + if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */ + char off[LNM$C_NAMLENGTH+1];; + + gmtime_emulation_type++; + if (!vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) { + gmtime_emulation_type++; + utc_offset_secs = 0; + Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC"); + } + else { utc_offset_secs = atol(off); } + } + else { /* We've got a working gmtime() */ + struct tm gmt, local; + + gmt = *tm_p; + tm_p = localtime(&base); + local = *tm_p; + utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400; + utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600; + utc_offset_secs += (local.tm_min - gmt.tm_min) * 60; + utc_offset_secs += (local.tm_sec - gmt.tm_sec); + } + } + + when = time(NULL); +# ifdef VMSISH_TIME +# ifdef RTL_USES_UTC + if (VMSISH_TIME) when = _toloc(when); +# else + if (!VMSISH_TIME) when = _toutc(when); +# endif +# endif + if (timep != NULL) *timep = when; + return when; + +} /* end of my_time() */ +/*}}}*/ + + +/*{{{struct tm *my_gmtime(const time_t *timep)*/ +struct tm * +Perl_my_gmtime(pTHX_ const time_t *timep) +{ + char *p; + time_t when; + struct tm *rsltmp; + + if (timep == NULL) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + return NULL; + } + if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */ + + when = *timep; +# ifdef VMSISH_TIME + if (VMSISH_TIME) when = _toutc(when); /* Input was local time */ +# endif +# ifdef RTL_USES_UTC /* this implies that the CRTL has a working gmtime() */ + return gmtime(&when); +# else + /* CRTL localtime() wants local time as input, so does no tz correction */ + rsltmp = localtime(&when); + if (rsltmp) rsltmp->tm_isdst = 0; /* We already took DST into account */ + return rsltmp; +#endif +} /* end of my_gmtime() */ +/*}}}*/ + + +/*{{{struct tm *my_localtime(const time_t *timep)*/ +struct tm * +Perl_my_localtime(pTHX_ const time_t *timep) +{ + time_t when, whenutc; + struct tm *rsltmp; + int dst, offset; + + if (timep == NULL) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + return NULL; + } + if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */ + if (gmtime_emulation_type == 0) (void) my_time(NULL); /* Init UTC */ + + when = *timep; +# ifdef RTL_USES_UTC +# ifdef VMSISH_TIME + if (VMSISH_TIME) when = _toutc(when); +# endif + /* CRTL localtime() wants UTC as input, does tz correction itself */ + return localtime(&when); + +# else /* !RTL_USES_UTC */ + whenutc = when; +# ifdef VMSISH_TIME + if (!VMSISH_TIME) when = _toloc(whenutc); /* input was UTC */ + if (VMSISH_TIME) whenutc = _toutc(when); /* input was truelocal */ +# endif + dst = -1; +#ifndef RTL_USES_UTC + if (tz_parse(aTHX_ &when, &dst, 0, &offset)) { /* truelocal determines DST*/ + when = whenutc - offset; /* pseudolocal time*/ + } +# endif + /* CRTL localtime() wants local time as input, so does no tz correction */ + rsltmp = localtime(&when); + if (rsltmp && gmtime_emulation_type != 1) rsltmp->tm_isdst = dst; + return rsltmp; +# endif + +} /* end of my_localtime() */ +/*}}}*/ + +/* Reset definitions for later calls */ +#define gmtime(t) my_gmtime(t) +#define localtime(t) my_localtime(t) +#define time(t) my_time(t) + + +/* my_utime - update modification time of a file + * calling sequence is identical to POSIX utime(), but under + * VMS only the modification time is changed; ODS-2 does not + * maintain access times. Restrictions differ from the POSIX + * definition in that the time can be changed as long as the + * caller has permission to execute the necessary IO$_MODIFY $QIO; + * no separate checks are made to insure that the caller is the + * owner of the file or has special privs enabled. + * Code here is based on Joe Meadows' FILE utility. + */ + +/* Adjustment from Unix epoch (01-JAN-1970 00:00:00.00) + * to VMS epoch (01-JAN-1858 00:00:00.00) + * in 100 ns intervals. + */ +static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 }; + +/*{{{int my_utime(const char *path, const struct utimbuf *utimes)*/ +int Perl_my_utime(pTHX_ const char *file, const struct utimbuf *utimes) +{ + register int i; + long int bintime[2], len = 2, lowbit, unixtime, + secscale = 10000000; /* seconds --> 100 ns intervals */ + unsigned long int chan, iosb[2], retsts; + char vmsspec[NAM$C_MAXRSS+1], rsa[NAM$C_MAXRSS], esa[NAM$C_MAXRSS]; + struct FAB myfab = cc$rms_fab; + struct NAM mynam = cc$rms_nam; +#if defined (__DECC) && defined (__VAX) + /* VAX DEC C atrdef.h has unsigned type for pointer member atr$l_addr, + * at least through VMS V6.1, which causes a type-conversion warning. + */ +# pragma message save +# pragma message disable cvtdiftypes +#endif + struct atrdef myatr[2] = {{sizeof bintime, ATR$C_REVDATE, bintime}, {0,0,0}}; + struct fibdef myfib; +#if defined (__DECC) && defined (__VAX) + /* This should be right after the declaration of myatr, but due + * to a bug in VAX DEC C, this takes effect a statement early. + */ +# pragma message restore +#endif + struct dsc$descriptor fibdsc = {sizeof(myfib), DSC$K_DTYPE_Z, DSC$K_CLASS_S,(char *) &myfib}, + devdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0}, + fnmdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0}; + + if (file == NULL || *file == '\0') { + set_errno(ENOENT); + set_vaxc_errno(LIB$_INVARG); + return -1; + } + if (do_tovmsspec((char *)file,vmsspec,0) == NULL) return -1; -/* - * Finish searching rights database for users. -*/ -/*{{{void my_endpwent()*/ -void my_endpwent() -{ - if (contxt) { - _ckvmssts(sys$finish_rdb(&contxt)); - contxt= 0; + if (utimes != NULL) { + /* Convert Unix time (seconds since 01-JAN-1970 00:00:00.00) + * to VMS quadword time (100 nsec intervals since 01-JAN-1858 00:00:00.00). + * Since time_t is unsigned long int, and lib$emul takes a signed long int + * as input, we force the sign bit to be clear by shifting unixtime right + * one bit, then multiplying by an extra factor of 2 in lib$emul(). + */ + lowbit = (utimes->modtime & 1) ? secscale : 0; + unixtime = (long int) utimes->modtime; +# ifdef VMSISH_TIME + /* If input was UTC; convert to local for sys svc */ + if (!VMSISH_TIME) unixtime = _toloc(unixtime); +# endif + unixtime >>= 1; secscale <<= 1; + retsts = lib$emul(&secscale, &unixtime, &lowbit, bintime); + if (!(retsts & 1)) { + set_errno(EVMSERR); + set_vaxc_errno(retsts); + return -1; } -} -/*}}}*/ + retsts = lib$addx(bintime,utime_baseadjust,bintime,&len); + if (!(retsts & 1)) { + set_errno(EVMSERR); + set_vaxc_errno(retsts); + return -1; + } + } + else { + /* Just get the current time in VMS format directly */ + retsts = sys$gettim(bintime); + if (!(retsts & 1)) { + set_errno(EVMSERR); + set_vaxc_errno(retsts); + return -1; + } + } + myfab.fab$l_fna = vmsspec; + myfab.fab$b_fns = (unsigned char) strlen(vmsspec); + myfab.fab$l_nam = &mynam; + mynam.nam$l_esa = esa; + mynam.nam$b_ess = (unsigned char) sizeof esa; + mynam.nam$l_rsa = rsa; + mynam.nam$b_rss = (unsigned char) sizeof rsa; -/* my_gmtime - * If the CRTL has a real gmtime(), use it, else look for the logical - * name SYS$TIMEZONE_DIFFERENTIAL used by the native UTC routines on - * VMS >= 6.0. Can be manually defined under earlier versions of VMS - * to translate to the number of seconds which must be added to UTC - * to get to the local time of the system. - * Contributed by Chuck Lane - */ + /* Look for the file to be affected, letting RMS parse the file + * specification for us as well. I have set errno using only + * values documented in the utime() man page for VMS POSIX. + */ + retsts = sys$parse(&myfab,0,0); + if (!(retsts & 1)) { + set_vaxc_errno(retsts); + if (retsts == RMS$_PRV) set_errno(EACCES); + else if (retsts == RMS$_DIR) set_errno(ENOTDIR); + else set_errno(EVMSERR); + return -1; + } + retsts = sys$search(&myfab,0,0); + if (!(retsts & 1)) { + mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL; + myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); + set_vaxc_errno(retsts); + if (retsts == RMS$_PRV) set_errno(EACCES); + else if (retsts == RMS$_FNF) set_errno(ENOENT); + else set_errno(EVMSERR); + return -1; + } -/*{{{struct tm *my_gmtime(const time_t *time)*/ -/* We #defined 'gmtime' as 'my_gmtime' in vmsish.h. #undef it here - * so we can call the CRTL's routine to see if it works. - */ -#undef gmtime -struct tm * -my_gmtime(const time_t *time) -{ - static int gmtime_emulation_type; - static time_t utc_offset_secs; - char *p; - time_t when; + devdsc.dsc$w_length = mynam.nam$b_dev; + devdsc.dsc$a_pointer = (char *) mynam.nam$l_dev; - if (gmtime_emulation_type == 0) { - gmtime_emulation_type++; - when = 300000000; - if (gmtime(&when) == NULL) { /* CRTL gmtime() is just a stub */ - gmtime_emulation_type++; - if ((p = my_getenv("SYS$TIMEZONE_DIFFERENTIAL")) == NULL) - gmtime_emulation_type++; - else - utc_offset_secs = (time_t) atol(p); - } + retsts = sys$assign(&devdsc,&chan,0,0); + if (!(retsts & 1)) { + mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL; + myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); + set_vaxc_errno(retsts); + if (retsts == SS$_IVDEVNAM) set_errno(ENOTDIR); + else if (retsts == SS$_NOPRIV) set_errno(EACCES); + else if (retsts == SS$_NOSUCHDEV) set_errno(ENOTDIR); + else set_errno(EVMSERR); + return -1; } - switch (gmtime_emulation_type) { - case 1: - return gmtime(time); - case 2: - when = *time - utc_offset_secs; - return localtime(&when); - default: - warn("gmtime not supported on this system"); - return NULL; + fnmdsc.dsc$a_pointer = mynam.nam$l_name; + fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver; + + memset((void *) &myfib, 0, sizeof myfib); +#if defined(__DECC) || defined(__DECCXX) + for (i=0;i<3;i++) myfib.fib$w_fid[i] = mynam.nam$w_fid[i]; + for (i=0;i<3;i++) myfib.fib$w_did[i] = mynam.nam$w_did[i]; + /* This prevents the revision time of the file being reset to the current + * time as a result of our IO$_MODIFY $QIO. */ + myfib.fib$l_acctl = FIB$M_NORECORD; +#else + for (i=0;i<3;i++) myfib.fib$r_fid_overlay.fib$w_fid[i] = mynam.nam$w_fid[i]; + for (i=0;i<3;i++) myfib.fib$r_did_overlay.fib$w_did[i] = mynam.nam$w_did[i]; + myfib.fib$r_acctl_overlay.fib$l_acctl = FIB$M_NORECORD; +#endif + retsts = sys$qiow(0,chan,IO$_MODIFY,iosb,0,0,&fibdsc,&fnmdsc,0,0,myatr,0); + mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL; + myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); + _ckvmssts(sys$dassgn(chan)); + if (retsts & 1) retsts = iosb[0]; + if (!(retsts & 1)) { + set_vaxc_errno(retsts); + if (retsts == SS$_NOPRIV) set_errno(EACCES); + else set_errno(EVMSERR); + return -1; } -} /* end of my_gmtime() */ -/* Reset definition for later calls */ -#define gmtime(t) my_gmtime(t) -/*}}}*/ + return 0; +} /* end of my_utime() */ +/*}}}*/ /* * flex_stat, flex_fstat @@ -2943,11 +6650,11 @@ my_gmtime(const time_t *time) * on the first call. */ #define LOCKID_MASK 0x80000000 /* Use 0 to force device name use only */ -static dev_t encode_dev (const char *dev) +static mydev_t encode_dev (pTHX_ const char *dev) { int i; unsigned long int f; - dev_t enc; + mydev_t enc; char c; const char *q; @@ -3009,16 +6716,15 @@ is_null_device(name) return (*name++ == ':') && (*name != ':'); } -/* Do the permissions allow some operation? Assumes statcache already set. */ +/* Do the permissions allow some operation? Assumes PL_statcache already set. */ /* Do this via $Check_Access on VMS, since the CRTL stat() returns only a * subset of the applicable information. */ -/*{{{I32 cando(I32 bit, I32 effective, struct stat *statbufp)*/ -I32 -cando(I32 bit, I32 effective, struct stat *statbufp) +bool +Perl_cando(pTHX_ Mode_t bit, Uid_t effective, const Stat_t *statbufp) { - if (statbufp == &statcache) - return cando_by_name(bit,effective,namecache); + char fname_phdev[NAM$C_MAXRSS+1]; + if (statbufp == &PL_statcache) return cando_by_name(bit,effective,namecache); else { char fname[NAM$C_MAXRSS+1]; unsigned long int retsts; @@ -3027,19 +6733,27 @@ cando(I32 bit, I32 effective, struct stat *statbufp) /* If the struct mystat is stale, we're OOL; stat() overwrites the device name on successive calls */ - devdsc.dsc$a_pointer = statbufp->st_devnam; - devdsc.dsc$w_length = strlen(statbufp->st_devnam); + devdsc.dsc$a_pointer = ((Stat_t *)statbufp)->st_devnam; + devdsc.dsc$w_length = strlen(((Stat_t *)statbufp)->st_devnam); namdsc.dsc$a_pointer = fname; namdsc.dsc$w_length = sizeof fname - 1; - retsts = lib$fid_to_name(&devdsc,&(statbufp->st_ino),&namdsc, - &namdsc.dsc$w_length,0,0); + retsts = lib$fid_to_name(&devdsc,&(((Stat_t *)statbufp)->st_ino), + &namdsc,&namdsc.dsc$w_length,0,0); if (retsts & 1) { fname[namdsc.dsc$w_length] = '\0'; - return cando_by_name(bit,effective,fname); +/* + * lib$fid_to_name returns DVI$_LOGVOLNAM as the device part of the name, + * but if someone has redefined that logical, Perl gets very lost. Since + * we have the physical device name from the stat buffer, just paste it on. + */ + strcpy( fname_phdev, statbufp->st_devnam ); + strcat( fname_phdev, strrchr(fname, ':') ); + + return cando_by_name(bit,effective,fname_phdev); } else if (retsts == SS$_NOSUCHDEV || retsts == SS$_NOSUCHFILE) { - warn("Can't get filespec - stale stat buffer?\n"); + Perl_warn(aTHX_ "Can't get filespec - stale stat buffer?\n"); return FALSE; } _ckvmssts(retsts); @@ -3049,28 +6763,36 @@ cando(I32 bit, I32 effective, struct stat *statbufp) /*}}}*/ -/*{{{I32 cando_by_name(I32 bit, I32 effective, char *fname)*/ +/*{{{I32 cando_by_name(I32 bit, Uid_t effective, char *fname)*/ I32 -cando_by_name(I32 bit, I32 effective, char *fname) +Perl_cando_by_name(pTHX_ I32 bit, Uid_t effective, char *fname) { static char usrname[L_cuserid]; static struct dsc$descriptor_s usrdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, usrname}; char vmsname[NAM$C_MAXRSS+1], fileified[NAM$C_MAXRSS+1]; unsigned long int objtyp = ACL$C_FILE, access, retsts, privused, iosb[2]; - unsigned short int retlen; + unsigned short int retlen, trnlnm_iter_count; struct dsc$descriptor_s namdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; union prvdef curprv; struct itmlst_3 armlst[3] = {{sizeof access, CHP$_ACCESS, &access, &retlen}, {sizeof privused, CHP$_PRIVUSED, &privused, &retlen},{0,0,0,0}}; - struct itmlst_3 jpilst[2] = {{sizeof curprv, JPI$_CURPRIV, &curprv, &retlen}, + struct itmlst_3 jpilst[3] = {{sizeof curprv, JPI$_CURPRIV, &curprv, &retlen}, + {sizeof usrname, JPI$_USERNAME, &usrname, &usrdsc.dsc$w_length}, {0,0,0,0}}; + struct itmlst_3 usrprolst[2] = {{sizeof curprv, CHP$_PRIV, &curprv, &retlen}, + {0,0,0,0}}; + struct dsc$descriptor_s usrprodsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; if (!fname || !*fname) return FALSE; /* Make sure we expand logical names, since sys$check_access doesn't */ if (!strpbrk(fname,"/]>:")) { strcpy(fileified,fname); - while (!strpbrk(fileified,"/]>:>") && my_trnlnm(fileified,fileified,0)) ; + trnlnm_iter_count = 0; + while (!strpbrk(fileified,"/]>:>") && my_trnlnm(fileified,fileified,0)) { + trnlnm_iter_count++; + if (trnlnm_iter_count >= PERL_LNM_MAX_ITER) break; + } fname = fileified; } if (!do_tovmsspec(fname,vmsname,1)) return FALSE; @@ -3083,57 +6805,62 @@ cando_by_name(I32 bit, I32 effective, char *fname) namdsc.dsc$a_pointer = fileified; } - if (!usrdsc.dsc$w_length) { - cuserid(usrname); - usrdsc.dsc$w_length = strlen(usrname); - } - switch (bit) { - case S_IXUSR: - case S_IXGRP: - case S_IXOTH: - access = ARM$M_EXECUTE; - break; - case S_IRUSR: - case S_IRGRP: - case S_IROTH: - access = ARM$M_READ; - break; - case S_IWUSR: - case S_IWGRP: - case S_IWOTH: - access = ARM$M_WRITE; - break; - case S_IDUSR: - case S_IDGRP: - case S_IDOTH: - access = ARM$M_DELETE; - break; + case S_IXUSR: case S_IXGRP: case S_IXOTH: + access = ARM$M_EXECUTE; break; + case S_IRUSR: case S_IRGRP: case S_IROTH: + access = ARM$M_READ; break; + case S_IWUSR: case S_IWGRP: case S_IWOTH: + access = ARM$M_WRITE; break; + case S_IDUSR: case S_IDGRP: case S_IDOTH: + access = ARM$M_DELETE; break; default: return FALSE; } + /* Before we call $check_access, create a user profile with the current + * process privs since otherwise it just uses the default privs from the + * UAF and might give false positives or negatives. This only works on + * VMS versions v6.0 and later since that's when sys$create_user_profile + * became available. + */ + + /* get current process privs and username */ + _ckvmssts(sys$getjpiw(0,0,0,jpilst,iosb,0,0)); + _ckvmssts(iosb[0]); + +#if defined(__VMS_VER) && __VMS_VER >= 60000000 + + /* find out the space required for the profile */ + _ckvmssts(sys$create_user_profile(&usrdsc,&usrprolst,0,0, + &usrprodsc.dsc$w_length,0)); + + /* allocate space for the profile and get it filled in */ + New(1330,usrprodsc.dsc$a_pointer,usrprodsc.dsc$w_length,char); + _ckvmssts(sys$create_user_profile(&usrdsc,&usrprolst,0,usrprodsc.dsc$a_pointer, + &usrprodsc.dsc$w_length,0)); + + /* use the profile to check access to the file; free profile & analyze results */ + retsts = sys$check_access(&objtyp,&namdsc,0,armlst,0,0,0,&usrprodsc); + Safefree(usrprodsc.dsc$a_pointer); + if (retsts == SS$_NOCALLPRIV) retsts = SS$_NOPRIV; /* not really 3rd party */ + +#else + retsts = sys$check_access(&objtyp,&namdsc,&usrdsc,armlst); -#ifndef SS$_NOSUCHOBJECT /* Older versions of ssdef.h don't have this */ -# define SS$_NOSUCHOBJECT 2696 + #endif - if (retsts == SS$_NOPRIV || retsts == SS$_NOSUCHOBJECT || - retsts == RMS$_FNF || retsts == RMS$_DIR || - retsts == RMS$_DEV) { - set_errno(retsts == SS$_NOPRIV ? EACCES : ENOENT); set_vaxc_errno(retsts); + + if (retsts == SS$_NOPRIV || retsts == SS$_NOSUCHOBJECT || + retsts == SS$_INVFILFOROP || retsts == RMS$_FNF || retsts == RMS$_SYN || + retsts == RMS$_DIR || retsts == RMS$_DEV || retsts == RMS$_DNF) { + set_vaxc_errno(retsts); + if (retsts == SS$_NOPRIV) set_errno(EACCES); + else if (retsts == SS$_INVFILFOROP) set_errno(EINVAL); + else set_errno(ENOENT); return FALSE; } - if (retsts == SS$_NORMAL) { - if (!privused) return TRUE; - /* We can get access, but only by using privs. Do we have the - necessary privs currently enabled? */ - _ckvmssts(sys$getjpiw(0,0,0,jpilst,iosb,0,0)); - if ((privused & CHP$M_BYPASS) && !curprv.prv$v_bypass) return FALSE; - if ((privused & CHP$M_SYSPRV) && !curprv.prv$v_sysprv && - !curprv.prv$v_bypass) return FALSE; - if ((privused & CHP$M_GRPPRV) && !curprv.prv$v_grpprv && - !curprv.prv$v_sysprv && !curprv.prv$v_bypass) return FALSE; - if ((privused & CHP$M_READALL) && !curprv.prv$v_readall) return FALSE; + if (retsts == SS$_NORMAL || retsts == SS$_ACCONFLICT) { return TRUE; } _ckvmssts(retsts); @@ -3144,37 +6871,56 @@ cando_by_name(I32 bit, I32 effective, char *fname) /*}}}*/ -/*{{{ int flex_fstat(int fd, struct stat *statbuf)*/ +/*{{{ int flex_fstat(int fd, Stat_t *statbuf)*/ int -flex_fstat(int fd, struct stat *statbuf) +Perl_flex_fstat(pTHX_ int fd, Stat_t *statbufp) { - char fspec[NAM$C_MAXRSS+1]; - - if (!getname(fd,fspec,1)) return -1; - return flex_stat(fspec,statbuf); + if (!fstat(fd,(stat_t *) statbufp)) { + if (statbufp == (Stat_t *) &PL_statcache) *namecache == '\0'; + statbufp->st_dev = encode_dev(aTHX_ statbufp->st_devnam); +# ifdef RTL_USES_UTC +# ifdef VMSISH_TIME + if (VMSISH_TIME) { + statbufp->st_mtime = _toloc(statbufp->st_mtime); + statbufp->st_atime = _toloc(statbufp->st_atime); + statbufp->st_ctime = _toloc(statbufp->st_ctime); + } +# endif +# else +# ifdef VMSISH_TIME + if (!VMSISH_TIME) { /* Return UTC instead of local time */ +# else + if (1) { +# endif + statbufp->st_mtime = _toutc(statbufp->st_mtime); + statbufp->st_atime = _toutc(statbufp->st_atime); + statbufp->st_ctime = _toutc(statbufp->st_ctime); + } +#endif + return 0; + } + return -1; } /* end of flex_fstat() */ /*}}}*/ -/*{{{ int flex_stat(char *fspec, struct stat *statbufp)*/ -/* We defined 'stat' as 'mystat' in vmsish.h so that declarations of - * 'struct stat' elsewhere in Perl would use our struct. We go back - * to the system version here, since we're actually calling their - * stat(). - */ -#undef stat +/*{{{ int flex_stat(const char *fspec, Stat_t *statbufp)*/ int -flex_stat(char *fspec, struct mystat *statbufp) +Perl_flex_stat(pTHX_ const char *fspec, Stat_t *statbufp) { char fileified[NAM$C_MAXRSS+1]; - int retval,myretval; - struct mystat tmpbuf; - - - if (statbufp == &statcache) do_tovmsspec(fspec,namecache,0); - if (is_null_device(fspec)) { /* Fake a stat() for the null device */ + char temp_fspec[NAM$C_MAXRSS+300]; + int retval = -1; + int saved_errno, saved_vaxc_errno; + + if (!fspec) return retval; + saved_errno = errno; saved_vaxc_errno = vaxc$errno; + strcpy(temp_fspec, fspec); + if (statbufp == (Stat_t *) &PL_statcache) + do_tovmsspec(temp_fspec,namecache,0); + if (is_null_device(temp_fspec)) { /* Fake a stat() for the null device */ memset(statbufp,0,sizeof *statbufp); - statbufp->st_dev = encode_dev("_NLA0:"); + statbufp->st_dev = encode_dev(aTHX_ "_NLA0:"); statbufp->st_mode = S_IFBLK | S_IREAD | S_IWRITE | S_IEXEC; statbufp->st_uid = 0x00010001; statbufp->st_gid = 0x0001; @@ -3183,30 +6929,50 @@ flex_stat(char *fspec, struct mystat *statbufp) return 0; } - if (do_fileify_dirspec(fspec,fileified,0) == NULL) myretval = -1; - else { - myretval = stat(fileified,(stat_t *) &tmpbuf); + /* Try for a directory name first. If fspec contains a filename without + * a type (e.g. sea:[wine.dark]water), and both sea:[wine.dark]water.dir + * and sea:[wine.dark]water. exist, we prefer the directory here. + * Similarly, sea:[wine.dark] returns the result for sea:[wine]dark.dir, + * not sea:[wine.dark]., if the latter exists. If the intended target is + * the file with null type, specify this by calling flex_stat() with + * a '.' at the end of fspec. + */ + if (do_fileify_dirspec(temp_fspec,fileified,0) != NULL) { + retval = stat(fileified,(stat_t *) statbufp); + if (!retval && statbufp == (Stat_t *) &PL_statcache) + strcpy(namecache,fileified); } - retval = stat(fspec,(stat_t *) statbufp); - if (!myretval) { - if (retval == -1) { - *statbufp = tmpbuf; - retval = 0; + if (retval) retval = stat(temp_fspec,(stat_t *) statbufp); + if (!retval) { + statbufp->st_dev = encode_dev(aTHX_ statbufp->st_devnam); +# ifdef RTL_USES_UTC +# ifdef VMSISH_TIME + if (VMSISH_TIME) { + statbufp->st_mtime = _toloc(statbufp->st_mtime); + statbufp->st_atime = _toloc(statbufp->st_atime); + statbufp->st_ctime = _toloc(statbufp->st_ctime); } - else if (!retval) { /* Dir with same name. Substitute it. */ - statbufp->st_mode &= ~S_IFDIR; - statbufp->st_mode |= tmpbuf.st_mode & S_IFDIR; - strcpy(namecache,fileified); +# endif +# else +# ifdef VMSISH_TIME + if (!VMSISH_TIME) { /* Return UTC instead of local time */ +# else + if (1) { +# endif + statbufp->st_mtime = _toutc(statbufp->st_mtime); + statbufp->st_atime = _toutc(statbufp->st_atime); + statbufp->st_ctime = _toutc(statbufp->st_ctime); } +# endif } - if (!retval) statbufp->st_dev = encode_dev(statbufp->st_devnam); + /* If we were successful, leave errno where we found it */ + if (retval == 0) { errno = saved_errno; vaxc$errno = saved_vaxc_errno; } return retval; } /* end of flex_stat() */ -/* Reset definition for later calls */ -#define stat mystat /*}}}*/ + /*{{{char *my_getlogin()*/ /* VMS cuserid == Unix getlogin, except calling sequence */ char * @@ -3235,7 +7001,7 @@ my_getlogin() * * Returns 1 on success; returns 0 and sets errno and vaxc$errno on failure. * - * Copyright 1996 by Charles Bailey . + * Copyright 1996 by Charles Bailey . * Incorporates, with permission, some code from EZCOPY by Tim Adye * . Permission is given to distribute this code * as part of the Perl standard distribution under the terms of the @@ -3244,7 +7010,7 @@ my_getlogin() */ /*{{{int rmscopy(char *src, char *dst, int preserve_dates)*/ int -rmscopy(char *spec_in, char *spec_out, int preserve_dates) +Perl_rmscopy(pTHX_ char *spec_in, char *spec_out, int preserve_dates) { char vmsin[NAM$C_MAXRSS+1], vmsout[NAM$C_MAXRSS+1], esa[NAM$C_MAXRSS], rsa[NAM$C_MAXRSS], ubf[32256]; @@ -3290,9 +7056,10 @@ rmscopy(char *spec_in, char *spec_out, int preserve_dates) if (!((sts = sys$open(&fab_in)) & 1)) { set_vaxc_errno(sts); switch (sts) { - case RMS$_FNF: - case RMS$_DIR: + case RMS$_FNF: case RMS$_DNF: set_errno(ENOENT); break; + case RMS$_DIR: + set_errno(ENOTDIR); break; case RMS$_DEV: set_errno(ENODEV); break; case RMS$_SYN: @@ -3334,8 +7101,10 @@ rmscopy(char *spec_in, char *spec_out, int preserve_dates) if (!((sts = sys$create(&fab_out)) & 1)) { set_vaxc_errno(sts); switch (sts) { - case RMS$_DIR: + case RMS$_DNF: set_errno(ENOENT); break; + case RMS$_DIR: + set_errno(ENOTDIR); break; case RMS$_DEV: set_errno(ENODEV); break; case RMS$_SYN: @@ -3351,7 +7120,13 @@ rmscopy(char *spec_in, char *spec_out, int preserve_dates) if (preserve_dates & 2) { /* sys$close() will process xabrdt, not xabdat */ xabrdt = cc$rms_xabrdt; +#ifndef __GNUC__ xabrdt.xab$q_rdt = xabdat.xab$q_rdt; +#else + /* gcc doesn't like the assignment, since its prototype for xab$q_rdt + * is unsigned long[2], while DECC & VAXC use a struct */ + memcpy(xabrdt.xab$q_rdt,xabdat.xab$q_rdt,sizeof xabrdt.xab$q_rdt); +#endif fab_out.fab$l_xab = (void *) &xabrdt; } @@ -3409,165 +7184,142 @@ rmscopy(char *spec_in, char *spec_out, int preserve_dates) */ void -rmsexpand_fromperl(CV *cv) +rmsexpand_fromperl(pTHX_ CV *cv) { dXSARGS; - char esa[NAM$C_MAXRSS], rsa[NAM$C_MAXRSS], *cp, *out; - struct FAB myfab = cc$rms_fab; - struct NAM mynam = cc$rms_nam; - STRLEN speclen; - unsigned long int retsts, haslower = 0; - - myfab.fab$l_fna = SvPV(ST(0),speclen); - myfab.fab$b_fns = speclen; - myfab.fab$l_nam = &mynam; - - mynam.nam$l_esa = esa; - mynam.nam$b_ess = sizeof esa; - mynam.nam$l_rsa = rsa; - mynam.nam$b_rss = sizeof rsa; + char *fspec, *defspec = NULL, *rslt; + STRLEN n_a; - retsts = sys$parse(&myfab,0,0); - if (!(retsts & 1)) { - set_vaxc_errno(retsts); - if (retsts == RMS$_PRV) set_errno(EACCES); - else if (retsts == RMS$_DEV) set_errno(ENODEV); - else if (retsts == RMS$_DIR) set_errno(ENOTDIR); - else set_errno(EVMSERR); - XSRETURN_UNDEF; - } - retsts = sys$search(&myfab,0,0); - if (!(retsts & 1) && retsts != RMS$_FNF) { - set_vaxc_errno(retsts); - if (retsts == RMS$_PRV) set_errno(EACCES); - else set_errno(EVMSERR); - XSRETURN_UNDEF; - } - /* If the input filespec contained any lowercase characters, - * downcase the result for compatibility with Unix-minded code. */ - for (out = myfab.fab$l_fna; *out; out++) - if (islower(*out)) { haslower = 1; break; } - if (mynam.nam$b_rsl) { out = rsa; speclen = mynam.nam$b_rsl; } - else { out = esa; speclen = mynam.nam$b_esl; } - if (!(mynam.nam$l_fnb & NAM$M_EXP_VER)) - speclen = mynam.nam$l_type - out; - out[speclen] = '\0'; - if (haslower) __mystrtolower(out); + if (!items || items > 2) + Perl_croak(aTHX_ "Usage: VMS::Filespec::rmsexpand(spec[,defspec])"); + fspec = SvPV(ST(0),n_a); + if (!fspec || !*fspec) XSRETURN_UNDEF; + if (items == 2) defspec = SvPV(ST(1),n_a); - ST(0) = sv_2mortal(newSVpv(out, speclen)); + rslt = do_rmsexpand(fspec,NULL,1,defspec,0); + ST(0) = sv_newmortal(); + if (rslt != NULL) sv_usepvn(ST(0),rslt,strlen(rslt)); + XSRETURN(1); } void -vmsify_fromperl(CV *cv) +vmsify_fromperl(pTHX_ CV *cv) { dXSARGS; char *vmsified; + STRLEN n_a; - if (items != 1) croak("Usage: VMS::Filespec::vmsify(spec)"); - vmsified = do_tovmsspec(SvPV(ST(0),na),NULL,1); + if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::vmsify(spec)"); + vmsified = do_tovmsspec(SvPV(ST(0),n_a),NULL,1); ST(0) = sv_newmortal(); if (vmsified != NULL) sv_usepvn(ST(0),vmsified,strlen(vmsified)); XSRETURN(1); } void -unixify_fromperl(CV *cv) +unixify_fromperl(pTHX_ CV *cv) { dXSARGS; char *unixified; + STRLEN n_a; - if (items != 1) croak("Usage: VMS::Filespec::unixify(spec)"); - unixified = do_tounixspec(SvPV(ST(0),na),NULL,1); + if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::unixify(spec)"); + unixified = do_tounixspec(SvPV(ST(0),n_a),NULL,1); ST(0) = sv_newmortal(); if (unixified != NULL) sv_usepvn(ST(0),unixified,strlen(unixified)); XSRETURN(1); } void -fileify_fromperl(CV *cv) +fileify_fromperl(pTHX_ CV *cv) { dXSARGS; char *fileified; + STRLEN n_a; - if (items != 1) croak("Usage: VMS::Filespec::fileify(spec)"); - fileified = do_fileify_dirspec(SvPV(ST(0),na),NULL,1); + if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::fileify(spec)"); + fileified = do_fileify_dirspec(SvPV(ST(0),n_a),NULL,1); ST(0) = sv_newmortal(); if (fileified != NULL) sv_usepvn(ST(0),fileified,strlen(fileified)); XSRETURN(1); } void -pathify_fromperl(CV *cv) +pathify_fromperl(pTHX_ CV *cv) { dXSARGS; char *pathified; + STRLEN n_a; - if (items != 1) croak("Usage: VMS::Filespec::pathify(spec)"); - pathified = do_pathify_dirspec(SvPV(ST(0),na),NULL,1); + if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::pathify(spec)"); + pathified = do_pathify_dirspec(SvPV(ST(0),n_a),NULL,1); ST(0) = sv_newmortal(); if (pathified != NULL) sv_usepvn(ST(0),pathified,strlen(pathified)); XSRETURN(1); } void -vmspath_fromperl(CV *cv) +vmspath_fromperl(pTHX_ CV *cv) { dXSARGS; char *vmspath; + STRLEN n_a; - if (items != 1) croak("Usage: VMS::Filespec::vmspath(spec)"); - vmspath = do_tovmspath(SvPV(ST(0),na),NULL,1); + if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::vmspath(spec)"); + vmspath = do_tovmspath(SvPV(ST(0),n_a),NULL,1); ST(0) = sv_newmortal(); if (vmspath != NULL) sv_usepvn(ST(0),vmspath,strlen(vmspath)); XSRETURN(1); } void -unixpath_fromperl(CV *cv) +unixpath_fromperl(pTHX_ CV *cv) { dXSARGS; char *unixpath; + STRLEN n_a; - if (items != 1) croak("Usage: VMS::Filespec::unixpath(spec)"); - unixpath = do_tounixpath(SvPV(ST(0),na),NULL,1); + if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::unixpath(spec)"); + unixpath = do_tounixpath(SvPV(ST(0),n_a),NULL,1); ST(0) = sv_newmortal(); if (unixpath != NULL) sv_usepvn(ST(0),unixpath,strlen(unixpath)); XSRETURN(1); } void -candelete_fromperl(CV *cv) +candelete_fromperl(pTHX_ CV *cv) { dXSARGS; char fspec[NAM$C_MAXRSS+1], *fsp; SV *mysv; IO *io; + STRLEN n_a; - if (items != 1) croak("Usage: VMS::Filespec::candelete(spec)"); + if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::candelete(spec)"); mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0); if (SvTYPE(mysv) == SVt_PVGV) { - if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),fspec)) { + if (!(io = GvIOp(mysv)) || !PerlIO_getname(IoIFP(io),fspec)) { set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); - ST(0) = &sv_no; + ST(0) = &PL_sv_no; XSRETURN(1); } fsp = fspec; } else { - if (mysv != ST(0) || !(fsp = SvPV(mysv,na)) || !*fsp) { + if (mysv != ST(0) || !(fsp = SvPV(mysv,n_a)) || !*fsp) { set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); - ST(0) = &sv_no; + ST(0) = &PL_sv_no; XSRETURN(1); } } - ST(0) = cando_by_name(S_IDUSR,0,fsp) ? &sv_yes : &sv_no; + ST(0) = boolSV(cando_by_name(S_IDUSR,0,fsp)); XSRETURN(1); } void -rmscopy_fromperl(CV *cv) +rmscopy_fromperl(pTHX_ CV *cv) { dXSARGS; char inspec[NAM$C_MAXRSS+1], outspec[NAM$C_MAXRSS+1], *inp, *outp; @@ -3577,54 +7329,174 @@ rmscopy_fromperl(CV *cv) unsigned long int sts; SV *mysv; IO *io; + STRLEN n_a; if (items < 2 || items > 3) - croak("Usage: File::Copy::rmscopy(from,to[,date_flag])"); + Perl_croak(aTHX_ "Usage: File::Copy::rmscopy(from,to[,date_flag])"); mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0); if (SvTYPE(mysv) == SVt_PVGV) { - if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),inspec)) { + if (!(io = GvIOp(mysv)) || !PerlIO_getname(IoIFP(io),inspec)) { set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); - ST(0) = &sv_no; + ST(0) = &PL_sv_no; XSRETURN(1); } inp = inspec; } else { - if (mysv != ST(0) || !(inp = SvPV(mysv,na)) || !*inp) { + if (mysv != ST(0) || !(inp = SvPV(mysv,n_a)) || !*inp) { set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); - ST(0) = &sv_no; + ST(0) = &PL_sv_no; XSRETURN(1); } } mysv = SvROK(ST(1)) ? SvRV(ST(1)) : ST(1); if (SvTYPE(mysv) == SVt_PVGV) { - if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),outspec)) { + if (!(io = GvIOp(mysv)) || !PerlIO_getname(IoIFP(io),outspec)) { set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); - ST(0) = &sv_no; + ST(0) = &PL_sv_no; XSRETURN(1); } outp = outspec; } else { - if (mysv != ST(1) || !(outp = SvPV(mysv,na)) || !*outp) { + if (mysv != ST(1) || !(outp = SvPV(mysv,n_a)) || !*outp) { set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); - ST(0) = &sv_no; + ST(0) = &PL_sv_no; XSRETURN(1); } } date_flag = (items == 3) ? SvIV(ST(2)) : 0; - ST(0) = rmscopy(inp,outp,date_flag) ? &sv_yes : &sv_no; + ST(0) = boolSV(rmscopy(inp,outp,date_flag)); + XSRETURN(1); +} + + +void +mod2fname(pTHX_ CV *cv) +{ + dXSARGS; + char ultimate_name[NAM$C_MAXRSS+1], work_name[NAM$C_MAXRSS*8 + 1], + workbuff[NAM$C_MAXRSS*1 + 1]; + int total_namelen = 3, counter, num_entries; + /* ODS-5 ups this, but we want to be consistent, so... */ + int max_name_len = 39; + AV *in_array = (AV *)SvRV(ST(0)); + + num_entries = av_len(in_array); + + /* All the names start with PL_. */ + strcpy(ultimate_name, "PL_"); + + /* Clean up our working buffer */ + Zero(work_name, sizeof(work_name), char); + + /* Run through the entries and build up a working name */ + for(counter = 0; counter <= num_entries; counter++) { + /* If it's not the first name then tack on a __ */ + if (counter) { + strcat(work_name, "__"); + } + strcat(work_name, SvPV(*av_fetch(in_array, counter, FALSE), + PL_na)); + } + + /* Check to see if we actually have to bother...*/ + if (strlen(work_name) + 3 <= max_name_len) { + strcat(ultimate_name, work_name); + } else { + /* It's too darned big, so we need to go strip. We use the same */ + /* algorithm as xsubpp does. First, strip out doubled __ */ + char *source, *dest, last; + dest = workbuff; + last = 0; + for (source = work_name; *source; source++) { + if (last == *source && last == '_') { + continue; + } + *dest++ = *source; + last = *source; + } + /* Go put it back */ + strcpy(work_name, workbuff); + /* Is it still too big? */ + if (strlen(work_name) + 3 > max_name_len) { + /* Strip duplicate letters */ + last = 0; + dest = workbuff; + for (source = work_name; *source; source++) { + if (last == toupper(*source)) { + continue; + } + *dest++ = *source; + last = toupper(*source); + } + strcpy(work_name, workbuff); + } + + /* Is it *still* too big? */ + if (strlen(work_name) + 3 > max_name_len) { + /* Too bad, we truncate */ + work_name[max_name_len - 2] = 0; + } + strcat(ultimate_name, work_name); + } + + /* Okay, return it */ + ST(0) = sv_2mortal(newSVpv(ultimate_name, 0)); XSRETURN(1); } void +hushexit_fromperl(pTHX_ CV *cv) +{ + dXSARGS; + + if (items > 0) { + VMSISH_HUSHED = SvTRUE(ST(0)); + } + ST(0) = boolSV(VMSISH_HUSHED); + XSRETURN(1); +} + +void +Perl_sys_intern_dup(pTHX_ struct interp_intern *src, + struct interp_intern *dst) +{ + memcpy(dst,src,sizeof(struct interp_intern)); +} + +void +Perl_sys_intern_clear(pTHX) +{ +} + +void +Perl_sys_intern_init(pTHX) +{ + unsigned int ix = RAND_MAX; + double x; + + VMSISH_HUSHED = 0; + + x = (float)ix; + MY_INV_RAND_MAX = 1./x; +} + +void init_os_extras() { + dTHX; char* file = __FILE__; + char temp_buff[512]; + if (my_trnlnm("DECC$DISABLE_TO_VMS_LOGNAME_TRANSLATION", temp_buff, 0)) { + no_translate_barewords = TRUE; + } else { + no_translate_barewords = FALSE; + } - newXSproto("VMS::Filespec::rmsexpand",rmsexpand_fromperl,file,"$"); + newXSproto("VMS::Filespec::rmsexpand",rmsexpand_fromperl,file,"$;$"); newXSproto("VMS::Filespec::vmsify",vmsify_fromperl,file,"$"); newXSproto("VMS::Filespec::unixify",unixify_fromperl,file,"$"); newXSproto("VMS::Filespec::pathify",pathify_fromperl,file,"$"); @@ -3632,7 +7504,12 @@ init_os_extras() newXSproto("VMS::Filespec::vmspath",vmspath_fromperl,file,"$"); newXSproto("VMS::Filespec::unixpath",unixpath_fromperl,file,"$"); newXSproto("VMS::Filespec::candelete",candelete_fromperl,file,"$"); + newXSproto("DynaLoader::mod2fname", mod2fname, file, "$"); newXS("File::Copy::rmscopy",rmscopy_fromperl,file); + newXSproto("vmsish::hushed",hushexit_fromperl,file,";$"); + + store_pipelocs(aTHX); /* will redo any earlier attempts */ + return; }