X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=vms%2Fvms.c;h=f1f62bd6eb6903b8c3fb64619b470463d13ccd68;hb=c93fa8177be816b728baa070d16f5574403845f6;hp=ae4f608fcf6073d584fa2992e5f8a66b60d306ac;hpb=748a93069b3d16374a9859d1456065dd3ae11394;p=p5sagit%2Fp5-mst-13.2.git diff --git a/vms/vms.c b/vms/vms.c index ae4f608..f1f62bd 100644 --- a/vms/vms.c +++ b/vms/vms.c @@ -2,7 +2,8 @@ * * VMS-specific routines for perl5 * - * Last revised: 09-Mar-1995 by Charles Bailey bailey@genetics.upenn.edu + * Last revised: 20-Aug-1999 by Charles Bailey bailey@newman.upenn.edu + * Version: 5.5.60 */ #include @@ -10,6 +11,8 @@ #include #include #include +#include +#include #include #include #include @@ -17,6 +20,8 @@ #include #include #include +#include +#include #include #include #include @@ -26,14 +31,43 @@ #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 + +/* 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 + +/* gcc's header files don't #define direct access macros + * corresponding to VAXC's variant structs */ +#ifdef __GNUC__ +# define uic$v_format uic$r_uic_form.uic$v_format +# define uic$v_group uic$r_uic_form.uic$v_group +# define uic$v_member uic$r_uic_form.uic$v_member +# define prv$v_bypass prv$r_prvdef_bits0.prv$v_bypass +# define prv$v_grpprv prv$r_prvdef_bits0.prv$v_grpprv +# define prv$v_readall prv$r_prvdef_bits0.prv$v_readall +# define prv$v_sysprv prv$r_prvdef_bits0.prv$v_sysprv +#endif + struct itmlst_3 { unsigned short int buflen; @@ -42,112 +76,672 @@ struct itmlst_3 { unsigned short int *retlen; }; -static char * -my_trnlnm(char *lnm, char *eqv) +static char *__mystrtolower(char *str) +{ + if (str) for (; *str; ++str) *str= tolower(*str); + return str; +} + +static struct dsc$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$descriptor_s **env_tables = defenv; +static bool will_taint = FALSE; /* tainting active, but no PL_curinterp yet */ + +/* True if we shouldn't treat barewords as logicals during directory */ +/* munching */ +static int no_translate_barewords; + +/* Temp for subprocess commands */ +static struct dsc$descriptor_s VMScmd = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,Nullch}; + +/*{{{int vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, struct dsc$descriptor_s **tabvec, unsigned long int flags) */ +int +vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, + struct dsc$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], *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$K_CLASS_S,0}; - struct itmlst_3 lnmlst[2] = {{LNM$C_NAMLENGTH, LNM$_STRING,0, &eqvlen}, + unsigned char acmode; + struct dsc$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"); $DESCRIPTOR(clisym,"CLISYM"); +#if defined(USE_THREADS) + /* We jump through these hoops because we can be called at */ + /* platform-specific initialization time, which is before anything is */ + /* set up--we can't even do a plain dTHX since that relies on the */ + /* interpreter structure to be initialized */ + struct perl_thread *thr; + if (PL_curinterp) { + thr = PL_threadnum? THR : (struct perl_thread*)SvPVX(PL_thrsv); + } else { + thr = NULL; + } +#endif - if (!eqv) eqv = __my_trnlnm_eqv; - lnmlst[0].bufadr = (void *)eqv; - lnmdsc.dsc$a_pointer = lnm; - lnmdsc.dsc$w_length = strlen(lnm); - retsts = sys$trnlnm(&attr,&tabdsc,&lnmdsc,0,lnmlst); - if (retsts == SS$_NOLOGNAM || retsts == SS$_IVLOGNAM) return Nullch; - else if (retsts & 1) { - eqv[eqvlen] = '\0'; - return eqv; + if (!lnm || !eqv || idx > LNM$_MAX_INDEX) { + set_errno(EINVAL); set_vaxc_errno(SS$_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; + 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],'=')) && + !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 defined(USE_THREADS) + if (thr && PL_curcop) { +#endif + if (ckWARN(WARN_MISC)) { + Perl_warner(aTHX_ WARN_MISC,"Value of CLI symbol \"%s\" too long",lnm); + } +#if defined(USE_THREADS) + } else { + Perl_warner(aTHX_ WARN_MISC,"Value of CLI symbol \"%s\" too long",lnm); + } +#endif + + } + 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) { + retsts = sys$trnlnm(&attr,tabvec[curtab],&lnmdsc,&acmode,lnmlst); + if (retsts == SS$_IVLOGNAM) { ivlnm = 1; continue; } + if (retsts == SS$_NOLOGNAM) continue; + break; + } + } + if (retsts & 1) { eqv[eqvlen] = '\0'; return eqvlen; } + else if (retsts == LIB$_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 Nullch; /* Not reached, assuming _ckvmssts() bails out */ + else _ckvmssts(retsts); + return 0; +} /* end of vmstrnenv */ +/*}}}*/ + +/*{{{ int my_trnlnm(const char *lnm, char *eqv, unsigned long int idx)*/ +/* Define as a function so we can access statics. */ +int my_trnlnm(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; - - 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; + char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2, *eqv; + unsigned long int idx = 0; + int trnsuccess; + SV *tmpsv; + + if (PL_curinterp) { /* Perl interpreter running -- may be threaded */ + /* Set up a temporary buffer for the return value; Perl will + * clean it up at the next statement transition */ + tmpsv = sv_2mortal(newSVpv("",LNM$C_NAMLENGTH+1)); + if (!tmpsv) return NULL; + eqv = SvPVX(tmpsv); } - else if (my_trnlnm(uplnm,__my_getenv_eqv) != NULL) { - return __my_getenv_eqv; + else eqv = __my_getenv_eqv; /* Assume no interpreter ==> single thread */ + for (cp1 = (char *) lnm, cp2 = eqv; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1); + if (cp1 - lnm == 7 && !strncmp(eqv,"DEFAULT",7)) { + getcwd(eqv,LNM$C_NAMLENGTH); + return eqv; } else { - unsigned long int retsts; - struct dsc$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); - } - else return getenv(lnm); /* Try for CRTL emulation of a Unix/POSIX name */ - } - return Nullch; + if ((cp2 = strchr(lnm,';')) != NULL) { + strcpy(uplnm,lnm); + uplnm[cp2-lnm] = '\0'; + idx = strtoul(cp2+1,NULL,0); + lnm = uplnm; + } + /* Impose security constraints only if tainting */ + if (sys) sys = PL_curinterp ? PL_tainting : will_taint; + if (vmstrnenv(lnm,eqv,idx, + sys ? fildev : NULL, +#ifdef SECURE_INTERNAL_GETENV + sys ? PERL__TRNENV_SECURE : 0 +#else + 0 +#endif + )) return eqv; + else return Nullch; + } } /* end of my_getenv() */ /*}}}*/ -/*{{{ void my_setenv(char *lnm, char *eqv)*/ + +/*{{{ SV *my_getenv_len(const char *lnm, bool sys)*/ +char * +my_getenv_len(const char *lnm, unsigned long *len, bool sys) +{ + dTHX; + char *buf, *cp1, *cp2; + unsigned long idx = 0; + static char __my_getenv_len_eqv[LNM$C_NAMLENGTH+1]; + SV *tmpsv; + + if (PL_curinterp) { /* Perl interpreter running -- may be threaded */ + /* Set up a temporary buffer for the return value; Perl will + * clean it up at the next statement transition */ + tmpsv = sv_2mortal(newSVpv("",LNM$C_NAMLENGTH+1)); + if (!tmpsv) return NULL; + buf = SvPVX(tmpsv); + } + else buf = __my_getenv_len_eqv; /* Assume no interpreter ==> single thread */ + for (cp1 = (char *)lnm, cp2 = buf; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1); + if (cp1 - lnm == 7 && !strncmp(buf,"DEFAULT",7)) { + getcwd(buf,LNM$C_NAMLENGTH); + *len = strlen(buf); + return buf; + } + else { + if ((cp2 = strchr(lnm,';')) != NULL) { + strcpy(buf,lnm); + buf[cp2-lnm] = '\0'; + idx = strtoul(cp2+1,NULL,0); + lnm = buf; + } + /* Impose security constraints only if tainting */ + if (sys) sys = PL_curinterp ? PL_tainting : will_taint; + if ((*len = vmstrnenv(lnm,buf,idx, + sys ? fildev : NULL, +#ifdef SECURE_INTERNAL_GETENV + sys ? PERL__TRNENV_SECURE : 0 +#else + 0 +#endif + ))) + return buf; + else + return Nullch; + } + +} /* end of my_getenv_len() */ +/*}}}*/ + +static void create_mbx(unsigned short int *, struct dsc$descriptor_s *); + +static void riseandshine(unsigned long int dummy) { sys$wake(0,0); } + +/*{{{ void prime_env_iter() */ void -my_setenv(char *lnm,char *eqv) -/* Define a supervisor-mode logical name in the process table. - * In the future we'll add tables, attribs, and acmodes, - * probably through a different call. +prime_env_iter(void) +/* Fill the %ENV associative array with all logical names we can + * find, in preparation for iterating over it. + */ +{ + dTHX; + static int primed = 0; + HV *seenhv = NULL, *envhv; + char cmd[LNM$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"); $DESCRIPTOR(mbxdsc,mbxnam); +#ifdef USE_THREADS + static perl_mutex primenv_mutex; + MUTEX_INIT(&primenv_mutex); +#endif + + if (primed || !PL_envgv) return; + MUTEX_LOCK(&primenv_mutex); + if (primed) { MUTEX_UNLOCK(&primenv_mutex); return; } + envhv = GvHVn(PL_envgv); + /* Perform a dummy fetch as an lval to insure that the hash table is + * set up. Otherwise, the hv_store() will turn into a nullop. */ + (void) hv_fetch(envhv,"DEFAULT",7,TRUE); + + for (i = 0; env_tables[i]; i++) { + if (!have_sym && (tmpdsc.dsc$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_ WARN_INTERNAL,"Ill-formed CRTL environ value \"%s\"\n",environ[j]); + } + else { + start++; + (void) hv_store(envhv,environ[j],start - environ[j] - 1, + newSVpv(start,0),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_ 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_ WARN_INTERNAL,"Ill-formed message in prime_env_iter: |%s|",buf); + continue; + } + PERL_HASH(hash,key,keylen); + hv_store(envhv,key,keylen,newSVpvn(cp2,cp1 - cp2 + 1),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$C_NAMLENGTH+1]; + int trnlen, i; + for (i = 0; ppfs[i]; i++) { + trnlen = vmstrnenv(ppfs[i],eqv,0,fildev,0); + hv_store(envhv,ppfs[i],strlen(ppfs[i]),newSVpv(eqv,trnlen),0); + } + } + } + primed = 1; + if (have_sym || have_lnm) _ckvmssts(sys$dassgn(chan)); + if (buf) Safefree(buf); + if (seenhv) SvREFCNT_dec(seenhv); + MUTEX_UNLOCK(&primenv_mutex); + return; + +} /* end of prime_env_iter */ +/*}}}*/ + + +/*{{{ int vmssetenv(char *lnm, 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 +vmssetenv(char *lnm, char *eqv, struct dsc$descriptor_s **tabvec) { char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2; + unsigned short int curtab, ivlnm = 0, ivsym = 0, ivenv = 0; unsigned long int retsts, usermode = PSL$C_USER; - $DESCRIPTOR(tabdsc,"LNM$PROCESS"); struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,uplnm}, - eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0}; - - for(cp1 = lnm, cp2 = uplnm; *cp1; cp1++, cp2++) *cp2 = _toupper(*cp1); + eqvdsc = {0,DSC$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"); + $DESCRIPTOR(local,"_LOCAL"); + dTHX; + + for (cp1 = lnm, cp2 = uplnm; *cp1; cp1++, cp2++) { + *cp2 = _toupper(*cp1); + if (cp1 - lnm > LNM$C_NAMLENGTH) { + set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM); + return SS$_IVLOGNAM; + } + } lnmdsc.dsc$w_length = cp1 - lnm; - - if (!eqv || !*eqv) { /* we're deleting a logical name */ - retsts = sys$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); + if (!tabvec || !*tabvec) tabvec = env_tables; + + if (!eqv) { /* we're deleting n element */ + for (curtab = 0; tabvec[curtab]; curtab++) { + if (!ivenv && !str$case_blind_compare(tabvec[curtab],&crtlenv)) { + int i; + for (i = 0; environ[i]; i++) { /* Iff it's an environ elt, reset */ + if ((cp1 = strchr(environ[i],'=')) && + !strncmp(environ[i],lnm,cp1 - environ[i])) { +#ifdef HAS_SETENV + return setenv(lnm,eqv,1) ? vaxc$errno : 0; + } + } + ivenv = 1; retsts = SS$_NOLOGNAM; +#else + if (ckWARN(WARN_INTERNAL)) + Perl_warner(aTHX_ WARN_INTERNAL,"This Perl can't reset CRTL environ elements (%s)",lnm); + ivenv = 1; retsts = SS$_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$errno : 0; +#else + if (ckWARN(WARN_INTERNAL)) + Perl_warner(aTHX_ WARN_INTERNAL,"This Perl can't set CRTL environ elements (%s=%s)",lnm,eqv); + retsts = SS$_NOSUCHPGM; +#endif + } + else { + eqvdsc.dsc$a_pointer = eqv; + eqvdsc.dsc$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$C_NAMLENGTH) { + eqvdsc.dsc$w_length = LNM$C_NAMLENGTH; + if (ckWARN(WARN_MISC)) { + Perl_warner(aTHX_ WARN_MISC,"Value of logical \"%s\" too long. Truncating to %i bytes",lnm, LNM$C_NAMLENGTH); + } + } + 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 $! isn't spurious, + * but it's right more often than not.) + */ + set_errno(0); set_vaxc_errno(retsts); + return 0; + } + +} /* end of vmssetenv() */ +/*}}}*/ + +/*{{{ void my_setenv(char *lnm, char *eqv)*/ +/* This has to be a function since there's a prototype for it in proto.h */ +void +Perl_my_setenv(pTHX_ char *lnm,char *eqv) +{ + if (lnm && *lnm && strlen(lnm) == 7) { + char uplnm[8]; + int i; + for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]); + if (!strcmp(uplnm,"DEFAULT")) { + if (eqv && *eqv) chdir(eqv); + return; + } + } + (void) vmssetenv(lnm,eqv,NULL); +} +/*}}}*/ + + + +/*{{{ char *my_crypt(const char *textpasswd, const char *usrname)*/ +/* my_crypt - VMS password hashing + * my_crypt() provides an interface compatible with the Unix crypt() + * C library function, and uses sys$hash_password() to perform VMS + * password hashing. The quadword hashed password value is returned + * as a NUL-terminated 8 character string. my_crypt() does not change + * the case of its string arguments; in order to match the behavior + * of LOGINOUT et al., alphabetic characters in both arguments must + * be upcased by the caller. + */ +char * +my_crypt(const char *textpasswd, const char *usrname) +{ +# ifndef UAI$C_PREFERRED_ALGORITHM +# define UAI$C_PREFERRED_ALGORITHM 127 +# endif + unsigned char alg = UAI$C_PREFERRED_ALGORITHM; + unsigned short int salt = 0; + unsigned long int sts; + struct const_dsc { + unsigned short int dsc$w_length; + unsigned char dsc$b_type; + unsigned char dsc$b_class; + const char * dsc$a_pointer; + } usrdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}, + txtdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; + struct itmlst_3 uailst[3] = { + { sizeof alg, UAI$_ENCRYPT, &alg, 0}, + { sizeof salt, UAI$_SALT, &salt, 0}, + { 0, 0, NULL, NULL}}; + static char hash[9]; + + usrdsc.dsc$w_length = strlen(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: + set_errno(EACCES); + break; + case RMS$_RNF: + set_errno(ESRCH); /* There isn't a Unix no-such-user error */ + break; + default: + set_errno(EVMSERR); + } + set_vaxc_errno(sts); + if (sts != RMS$_RNF) return NULL; + } - _ckvmssts(lib$set_logical(&lnmdsc,&eqvdsc,&tabdsc,0,0)); + txtdsc.dsc$w_length = strlen(textpasswd); + txtdsc.dsc$a_pointer = textpasswd; + if (!((sts = sys$hash_password(&txtdsc, alg, salt, &usrdsc, &hash)) & 1)) { + set_errno(EVMSERR); set_vaxc_errno(sts); return NULL; } -} /* end of my_setenv() */ + return (char *) hash; + +} /* end of my_crypt() */ /*}}}*/ + +static char *do_rmsexpand(char *, char *, int, char *, unsigned); static char *do_fileify_dirspec(char *, char *, int); static char *do_tovmsspec(char *, char *, int); @@ -157,7 +751,7 @@ do_rmdir(char *name) { char dirfile[NAM$C_MAXRSS+1]; int retval; - struct stat st; + Stat_t st; if (do_fileify_dirspec(name,dirfile,0) == NULL) return -1; if (flex_stat(dirfile,&st) || !S_ISDIR(st.st_mode)) retval = -1; @@ -179,9 +773,10 @@ do_rmdir(char *name) int kill_file(char *name) { - char vmsname[NAM$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; + dTHX; struct dsc$descriptor_s fildsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; struct myacedef { unsigned char myace$b_length; @@ -200,26 +795,48 @@ 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$_DNF: + case RMS$_DIR: + case SS$_NOSUCHOBJECT: + set_errno(ENOENT); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_SYN: + case SS$_INVFILFOROP: + set_errno(EINVAL); break; + case RMS$_PRV: + set_errno(EACCES); break; + default: + _ckvmssts(aclsts); + } set_vaxc_errno(aclsts); return -1; } /* Grab any existing ACEs with this identifier in case we fail */ aclsts = fndsts = sys$change_acl(0,&type,&fildsc,findlst,0,0,&cxt); - if ( fndsts & 1 || fndsts == SS$_ACLEMPTY || fndsts == SS$_NOENTRY) { + if ( fndsts & 1 || fndsts == SS$_ACLEMPTY || fndsts == SS$_NOENTRY + || fndsts == SS$_NOMOREACE ) { /* Add the new ACE . . . */ if (!((aclsts = sys$change_acl(0,&type,&fildsc,addlst,0,0,0)) & 1)) goto yourroom; @@ -236,170 +853,54 @@ kill_file(char *name) } } - yourroom: - if (rmsts) { - fndsts = sys$change_acl(0,&type,&fildsc,ulklst,0,0,0); - if (aclsts & 1) aclsts = fndsts; - } - if (!(aclsts & 1)) { - set_errno(EVMSERR); - set_vaxc_errno(aclsts); - return -1; - } - - return rmsts; - -} /* end of kill_file() */ -/*}}}*/ - -/* my_utime - update modification time of a file - * calling sequence is identical to POSIX utime(), but under - * VMS only the modification time is changed; ODS-2 does not - * maintain access times. Restrictions differ from the POSIX - * definition in that the time can be changed as long as the - * caller has permission to execute the necessary IO$_MODIFY $QIO; - * no separate checks are made to insure that the caller is the - * owner of the file or has special privs enabled. - * Code here is based on Joe Meadows' FILE utility. - */ - -/* Adjustment from Unix epoch (01-JAN-1970 00:00:00.00) - * to VMS epoch (01-JAN-1858 00:00:00.00) - * in 100 ns intervals. - */ -static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 }; - -/*{{{int my_utime(char *path, struct utimbuf *utimes)*/ -int my_utime(char *file, struct utimbuf *utimes) -{ - register int i; - long int bintime[2], len = 2, lowbit, unixtime, - secscale = 10000000; /* seconds --> 100 ns intervals */ - unsigned long int chan, iosb[2], retsts; - char vmsspec[NAM$C_MAXRSS+1], rsa[NAM$C_MAXRSS], esa[NAM$C_MAXRSS]; - struct FAB myfab = cc$rms_fab; - struct NAM mynam = cc$rms_nam; - struct atrdef myatr[2] = {{sizeof bintime, ATR$C_REVDATE, bintime}, {0,0,0}}; - struct fibdef myfib; - struct dsc$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$_INVARG); - return -1; - } - if (tovmsspec(file,vmsspec) == NULL) return -1; - - if (utimes != NULL) { - /* Convert Unix time (seconds since 01-JAN-1970 00:00:00.00) - * to VMS quadword time (100 nsec intervals since 01-JAN-1858 00:00:00.00). - * Since time_t is unsigned long int, and lib$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; - } - } - - 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$b_rss = (unsigned char) sizeof rsa; - - /* Look for the file to be affected, letting RMS parse the file - * specification for us as well. I have set errno using only - * values documented in the utime() man page for VMS POSIX. - */ - retsts = sys$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$search(&myfab,0,0); - if (!(retsts & 1)) { - set_vaxc_errno(retsts); - if (retsts == RMS$_PRV) set_errno(EACCES); - else if (retsts == RMS$_FNF) set_errno(ENOENT); - else set_errno(EVMSERR); - return -1; - } - - devdsc.dsc$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$_NOSUCHDEV) set_errno(ENOTDIR); - else set_errno(EVMSERR); - return -1; - } - - fnmdsc.dsc$a_pointer = mynam.nam$l_name; - fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver; - - memset((void *) &myfib, 0, sizeof myfib); -#ifdef __DECC - for (i=0;i<3;i++) myfib.fib$w_fid[i] = mynam.nam$w_fid[i]; - for (i=0;i<3;i++) myfib.fib$w_did[i] = mynam.nam$w_did[i]; - /* This prevents the revision time of the file being reset to the current - * time as a reqult of our IO$_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); - if (retsts & 1) retsts = iosb[0]; - if (!(retsts & 1)) { - set_vaxc_errno(retsts); - if (retsts == SS$_NOPRIV) set_errno(EACCES); - else set_errno(EVMSERR); - return -1; - } + yourroom: + fndsts = sys$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$_NORMAL; + if (aclsts & 1) aclsts = fndsts; + if (!(aclsts & 1)) { + set_errno(EVMSERR); + set_vaxc_errno(aclsts); + return -1; + } - return 0; -} /* end of my_utime() */ + return rmsts; + +} /* end of kill_file() */ +/*}}}*/ + + +/*{{{int my_mkdir(char *,Mode_t)*/ +int +my_mkdir(char *dir, Mode_t mode) +{ + STRLEN dirlen = strlen(dir); + dTHX; + + /* CRTL mkdir() doesn't tolerate trailing /, since that implies + * null file name/type. However, it's commonplace under Unix, + * so we'll allow it for a gain in portability. + */ + if (dir[dirlen-1] == '/') { + char *newdir = savepvn(dir,dirlen-1); + int ret = mkdir(newdir,mode); + Safefree(newdir); + return ret; + } + else return mkdir(dir,mode); +} /* end of my_mkdir */ /*}}}*/ + static void create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc) { static unsigned long int mbxbufsiz; long int syiitm = SYI$_MAXBUF, dviitm = DVI$_DEVNAM; + dTHX; if (!mbxbufsiz) { /* @@ -421,7 +922,7 @@ create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc) struct pipe_details { struct pipe_details *next; - FILE *fp; /* stdio file pointer to pipe mailbox */ + PerlIO *fp; /* stdio file pointer to pipe mailbox */ int pid; /* PID of subprocess */ int mode; /* == 'r' if pipe open for reading */ int done; /* subprocess has completed */ @@ -441,19 +942,91 @@ static struct pipe_details *open_pipes = NULL; static $DESCRIPTOR(nl_desc, "NL:"); static int waitpid_asleep = 0; +/* Send an EOF to a mbx. N.B. We don't check that fp actually points + * to a mbx; that's the caller's responsibility. + */ static unsigned long int -pipe_exit_routine() +pipe_eof(FILE *fp, int immediate) { - unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT, sts; + char devnam[NAM$C_MAXRSS+1], *cp; + unsigned long int chan, iosb[2], retsts, retsts2; + struct dsc$descriptor devdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, devnam}; + dTHX; + + if (fgetname(fp,devnam,1)) { + /* It oughta be a mailbox, so fgetname should give just the device + * name, but just in case . . . */ + if ((cp = strrchr(devnam,':')) != NULL) *(cp+1) = '\0'; + devdsc.dsc$w_length = strlen(devnam); + _ckvmssts(sys$assign(&devdsc,&chan,0,0)); + retsts = sys$qiow(0,chan,IO$_WRITEOF|(immediate?IO$M_NOW|IO$M_NORSWAIT:0), + iosb,0,0,0,0,0,0,0,0); + if (retsts & 1) retsts = iosb[0]; + retsts2 = sys$dassgn(chan); /* Be sure to deassign the channel */ + if (retsts & 1) retsts = retsts2; + _ckvmssts(retsts); + return retsts; + } + else _ckvmssts(vaxc$errno); /* Should never happen */ + return (unsigned long int) vaxc$errno; +} - while (open_pipes != NULL) { - if (!open_pipes->done) { /* Tap them gently on the shoulder . . .*/ - _ckvmssts(sys$forcex(&open_pipes->pid,0,&abort)); - sleep(1); +static unsigned long int +pipe_exit_routine() +{ + struct pipe_details *info; + unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT; + int sts, did_stuff; + dTHX; + + /* + first we try sending an EOF...ignore if doesn't work, make sure we + don't hang + */ + did_stuff = 0; + info = open_pipes; + + while (info) { + int need_eof; + _ckvmssts(SYS$SETAST(0)); + need_eof = info->mode != 'r' && !info->done; + _ckvmssts(SYS$SETAST(1)); + if (need_eof) { + if (pipe_eof(info->fp, 1) & 1) did_stuff = 1; + } + info = info->next; + } + if (did_stuff) sleep(1); /* wait for EOF to have an effect */ + + did_stuff = 0; + info = open_pipes; + while (info) { + _ckvmssts(SYS$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$SETAST(1)); + info = info->next; + } + if (did_stuff) sleep(1); /* wait for them to respond */ + + info = open_pipes; + while (info) { + _ckvmssts(SYS$SETAST(0)); + if (!info->done) { /* We tried to be nice . . . */ + sts = sys$delprc(&info->pid,0); + if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts); + info->done = 1; /* so my_pclose doesn't try to write EOF */ } - 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$errno; + else if (!(sts & 1)) retsts = sts; } return retsts; } @@ -473,14 +1046,17 @@ popen_completion_ast(struct pipe_details *thispipe) } } -/*{{{ FILE *my_popen(char *cmd, char *mode)*/ -FILE * -my_popen(char *cmd, char *mode) +static unsigned long int setup_cmddsc(char *cmd, int check_img); +static void vms_execfree(); + +static PerlIO * +safe_popen(char *cmd, char *mode) { static int handler_set_up = FALSE; char mbxname[64]; unsigned short int chan; - unsigned long int flags=1; /* nowait - gnu c doesn't allow &1 */ + unsigned long int sts, flags=1; /* nowait - gnu c doesn't allow &1 */ + dTHX; struct pipe_details *info; struct dsc$descriptor_s namdsc = {sizeof mbxname, DSC$K_DTYPE_T, DSC$K_CLASS_S, mbxname}, @@ -488,13 +1064,14 @@ my_popen(char *cmd, char *mode) DSC$K_CLASS_S, 0}; - New(7001,info,1,struct pipe_details); + if (!(setup_cmddsc(cmd,0) & 1)) { set_errno(EINVAL); return Nullfp; } + New(1301,info,1,struct pipe_details); /* create mailbox */ create_mbx(&chan,&namdsc); /* open a FILE* onto it */ - info->fp=fopen(mbxname, mode); + info->fp = PerlIO_open(mbxname, mode); /* give up other channel onto it */ _ckvmssts(sys$dassgn(chan)); @@ -502,24 +1079,22 @@ my_popen(char *cmd, char *mode) if (!info->fp) return Nullfp; - cmddsc.dsc$w_length=strlen(cmd); - cmddsc.dsc$a_pointer=cmd; - info->mode = *mode; info->done = FALSE; info->completion=0; if (*mode == 'r') { - _ckvmssts(lib$spawn(&cmddsc, &nl_desc, &namdsc, &flags, + _ckvmssts(lib$spawn(&VMScmd, &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, + _ckvmssts(lib$spawn(&VMScmd, &namdsc, 0 /* sys$output */, &flags, 0 /* name */, &info->pid, &info->completion, 0, popen_completion_ast,info,0,0,0)); } + vms_execfree(); if (!handler_set_up) { _ckvmssts(sys$dclexh(&pipe_exitblock)); handler_set_up = TRUE; @@ -527,31 +1102,56 @@ my_popen(char *cmd, char *mode) info->next=open_pipes; /* prepend to list */ open_pipes=info; + PL_forkprocess = info->pid; return info->fp; +} /* end of safe_popen */ + + +/*{{{ FILE *my_popen(char *cmd, char *mode)*/ +FILE * +Perl_my_popen(pTHX_ char *cmd, char *mode) +{ + TAINT_ENV(); + TAINT_PROPER("popen"); + PERL_FLUSHALL_FOR_CHILD; + return safe_popen(cmd,mode); } + /*}}}*/ /*{{{ I32 my_pclose(FILE *fp)*/ -I32 my_pclose(FILE *fp) +I32 Perl_my_pclose(pTHX_ FILE *fp) { struct pipe_details *info, *last = NULL; unsigned long int retsts; + int need_eof; for (info = open_pipes; info != NULL; last = info, info = info->next) if (info->fp == fp) break; - if (info == NULL) - /* get here => no such pipe open */ - croak("No such pipe open"); + if (info == NULL) { /* no such pipe open */ + set_errno(ECHILD); /* quoth POSIX */ + set_vaxc_errno(SS$_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. */ + _ckvmssts(SYS$SETAST(0)); + need_eof = info->mode != 'r' && !info->done; + _ckvmssts(SYS$SETAST(1)); + if (need_eof) pipe_eof(info->fp,0); + PerlIO_close(info->fp); if (info->done) retsts = info->completion; else waitpid(info->pid,(int *) &retsts,0); - fclose(info->fp); - /* 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)); Safefree(info); return retsts; @@ -559,11 +1159,12 @@ I32 my_pclose(FILE *fp) } /* end of my_pclose() */ /* 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) +/*{{{Pid_t my_waitpid(Pid_t pid, int *statusp, int flags)*/ +Pid_t +my_waitpid(Pid_t pid, int *statusp, int flags) { struct pipe_details *info; + dTHX; for (info = open_pipes; info != NULL; info = info->next) if (info->pid == pid) break; @@ -582,11 +1183,11 @@ waitpid(unsigned long int pid, int *statusp, int flags) unsigned long int ownercode = JPI$_OWNER, ownerpid, mypid; unsigned long int interval[2],sts; - if (dowarn) { + if (ckWARN(WARN_EXEC)) { _ckvmssts(lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0)); _ckvmssts(lib$getjpi(&ownercode,0,0,&mypid,0,0)); if (ownerpid != mypid) - warn("pid %d not a child",pid); + Perl_warner(aTHX_ WARN_EXEC,"pid %x not a child",pid); } _ckvmssts(sys$bintim(&intdsc,interval)); @@ -618,6 +1219,14 @@ my_gconvert(double val, int ndig, int trail, char *buf) 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); @@ -630,6 +1239,164 @@ my_gconvert(double val, int ndig, int trail, char *buf) } /*}}}*/ + +/*{{{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 *do_tounixspec(char *, char *, int); + +static char * +do_rmsexpand(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 == 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); + + /* Have we been working with an expanded, but not resultant, spec? */ + /* Also, convert back to Unix syntax if necessary. */ + if (!mynam.nam$b_rsl) { + if (isunix) { + if (do_tounixspec(esa,outbuf,0) == NULL) return NULL; + } + else strcpy(outbuf,esa); + } + else if (isunix) { + if (do_tounixspec(outbuf,tmpfspec,0) == NULL) return NULL; + strcpy(outbuf,tmpfspec); + } + mynam.nam$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 *rmsexpand(char *spec, char *buf, char *def, unsigned opt) +{ return do_rmsexpand(spec,buf,0,def,opt); } +char *rmsexpand_ts(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 ** converting among VMS-style and Unix-style directory specifications. @@ -656,25 +1423,75 @@ my_gconvert(double val, int ndig, int trail, char *buf) ** tovmspath() - convert a directory spec into a VMS-style path. ** 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 +** 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 __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$C_MAXRSS+1]; - - if (dir == NULL) return NULL; - strcpy(trndir,dir); - while (!strpbrk(trndir,"/]:>") && my_trnlnm(trndir,trndir) != NULL) ; - dir = trndir; + char trndir[NAM$C_MAXRSS+2], vmsdir[NAM$C_MAXRSS+1]; + if (!dir || !*dir) { + set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return NULL; + } dirlen = strlen(dir); - if (!strpbrk(dir,"]:>")) { /* Unix-style path or plain dir name */ + while (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)) ; + dir = trndir; + dirlen = strlen(dir); + } + else { + strncpy(trndir,dir,dirlen); + trndir[dirlen] = '\0'; + dir = trndir; + } + /* If we were handed a rooted logical name or spec, treat it like a + * simple directory, so that + * $ Define myroot dev:[dir.] + * ... do_fileify_dirspec("myroot",buf,1) ... + * does something useful. + */ + if (!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 (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); @@ -686,33 +1503,54 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) dirlen -= 1; /* to last element */ lastdir = strrchr(dir,'/'); } - else if (strstr(trndir,"..") != NULL) { - /* If we have a relative path, let do_tovmsspec figure it out, - * rather than repeating the code here */ - if (do_tovmsspec(trndir,vmsdir,0) == NULL) return NULL; + else if ((cp1 = strstr(dir,"/.")) != NULL) { + /* If we have "/." or "/..", VMSify it and let the VMS code + * below expand it, rather than repeating the code to handle + * relative components of a filespec here */ + do { + 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$_SYN); return NULL; + } + if (do_fileify_dirspec(vmsdir,trndir,0) == NULL) return NULL; + return do_tounixspec(trndir,buf,ts); + } + cp1++; + } while ((cp1 = strstr(cp1,"/.")) != NULL); + lastdir = strrchr(dir,'/'); + } + else if (!strcmp(&dir[dirlen-7],"/000000")) { + /* Ditto for specs that end in an MFD -- let the VMS code + * figure out whether it's a real device or a rooted logical. */ + dir[dirlen] = '/'; dir[dirlen+1] = '\0'; + if (do_tovmsspec(dir,vmsdir,0) == NULL) return NULL; if (do_fileify_dirspec(vmsdir,trndir,0) == NULL) return NULL; return do_tounixspec(trndir,buf,ts); } else { - if (!(lastdir = cp1 = strrchr(dir,'/'))) cp1 = dir; + if ( !(lastdir = cp1 = strrchr(dir,'/')) && + !(lastdir = cp1 = strrchr(dir,']')) && + !(lastdir = cp1 = strrchr(dir,'>'))) cp1 = dir; if ((cp2 = strchr(cp1,'.'))) { /* look for explicit type */ - if (toupper(*(cp2+1)) == 'D' && /* Yep. Is it .dir? */ - toupper(*(cp2+2)) == 'I' && - toupper(*(cp2+3)) == 'R') { - if ((cp1 = strchr(cp2,';')) || (cp1 = strchr(cp2+1,'.'))) { - if (*(cp1+1) != '1' || *(cp1+2) != '\0') { /* Version is not ;1 */ - set_errno(ENOTDIR); /* Bzzt. */ - set_vaxc_errno(RMS$_DIR); - return NULL; - } - } - dirlen = cp2 - dir; - } - else { /* There's a type, and it's not .dir. Bzzt. */ + 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$_DIR); return NULL; } + dirlen = cp2 - dir; } } /* If we lead off with a device or rooted logical, add the MFD @@ -726,9 +1564,9 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) } } } - retlen = dirlen + addmfd ? 13 : 6; + retlen = dirlen + (addmfd ? 13 : 6); if (buf) retspec = buf; - else if (ts) New(7009,retspec,retlen+6,char); + else if (ts) New(1309,retspec,retlen+1,char); else retspec = __fileify_retbuf; if (addmfd) { dirlen = lastdir - dir; @@ -746,8 +1584,8 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) return retspec; } else { /* VMS-style directory spec */ - char esa[NAM$C_MAXRSS+1], term; - unsigned long int cmplen, hasdev, hasdir, hastype, hasver; + char esa[NAM$C_MAXRSS+1], term, *cp; + unsigned long int sts, cmplen, haslower = 0; struct FAB dirfab = cc$rms_fab; struct NAM savnam, dirnam = cc$rms_nam; @@ -758,23 +1596,35 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) dirfab.fab$b_dns = 6; dirnam.nam$b_ess = NAM$C_MAXRSS; dirnam.nam$l_esa = esa; - if (!(sys$parse(&dirfab)&1)) { - set_errno(EVMSERR); - set_vaxc_errno(dirfab.fab$l_sts); - return NULL; - } - savnam = dirnam; - if (sys$search(&dirfab)&1) { /* Does the file really exist? */ - /* 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$_FNF) { + + for (cp = dir; *cp; cp++) + if (islower(*cp)) { haslower = 1; break; } + if (!((sts = sys$parse(&dirfab))&1)) { + if (dirfab.fab$l_sts == RMS$_DIR) { + dirnam.nam$b_nop |= NAM$M_SYNCHK; + sts = sys$parse(&dirfab) & 1; + } + if (!sts) { set_errno(EVMSERR); set_vaxc_errno(dirfab.fab$l_sts); return NULL; } - dirnam = savnam; /* No; just work with potential name */ + } + else { + savnam = dirnam; + if (sys$search(&dirfab)&1) { /* Does the file really exist? */ + /* Yes; fake the fnb bits so we'll check type below */ + dirnam.nam$l_fnb |= NAM$M_EXP_TYPE | NAM$M_EXP_VER; + } + 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; + } + } } if (!(dirnam.nam$l_fnb & (NAM$M_EXP_DEV | NAM$M_EXP_DIR))) { cp1 = strchr(esa,']'); @@ -789,6 +1639,8 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) cmplen = (dirnam.nam$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; @@ -798,13 +1650,24 @@ 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,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) { + for (cp2 = cp1 + 9; *cp2; cp1++,cp2++) *cp1 = *cp2; + *cp1 = '\0'; + 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); @@ -812,7 +1675,7 @@ 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+6,char); + else if (ts) New(1311,retspec,retlen+7,char); else retspec = __fileify_retbuf; strcpy(retspec,esa); } @@ -821,33 +1684,43 @@ 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$b_esl - 9; /* esa - '][' - '].DIR;1' */ if (buf) retspec = buf; - else if (ts) New(7012,retspec,retlen+7,char); + else if (ts) New(1312,retspec,retlen+16,char); else retspec = __fileify_retbuf; cp1 = strstr(esa,"]["); dirlen = cp1 - esa; memcpy(retspec,esa,dirlen); if (!strncmp(cp1+2,"000000]",7)) { retspec[dirlen-1] = '\0'; - for (cp1 = retspec+dirlen-1; *cp1 != '.'; cp1--) ; - *cp1 = ']'; + for (cp1 = retspec+dirlen-1; *cp1 != '.' && *cp1 != '['; cp1--) ; + if (*cp1 == '.') *cp1 = ']'; + else { + memmove(cp1+8,cp1+1,retspec+dirlen-cp1); + memcpy(cp1+1,"000000]",7); + } } else { memcpy(retspec+dirlen,cp1+2,retlen-dirlen); retspec[retlen] = '\0'; /* Convert last '.' to ']' */ - for (cp1 = retspec+retlen-1; *cp1 != '.'; cp1--) ; - *cp1 = ']'; + for (cp1 = retspec+retlen-1; *cp1 != '.' && *cp1 != '['; cp1--) ; + if (*cp1 == '.') *cp1 = ']'; + else { + memmove(cp1+8,cp1+1,retspec+dirlen-cp1); + memcpy(cp1+1,"000000]",7); + } } } else { /* This is a top-level dir. Add the MFD to the path. */ if (buf) retspec = buf; - else if (ts) New(7012,retspec,retlen+14,char); + else if (ts) New(1312,retspec,retlen+16,char); else retspec = __fileify_retbuf; cp1 = esa; cp2 = retspec; @@ -857,9 +1730,15 @@ static char *do_fileify_dirspec(char *dir,char *buf,int ts) strcpy(cp2+9,cp1); } } + dirnam.nam$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"); + + /* $PARSE may have upcased filespec, so convert output to lower + * case if input contained any lowercase characters. */ + if (haslower) __mystrtolower(retspec); return retspec; } } /* end of do_fileify_dirspec() */ @@ -877,36 +1756,61 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) unsigned long int retlen; char *retpath, *cp1, *cp2, trndir[NAM$C_MAXRSS+1]; - if (dir == NULL) return NULL; + if (!dir || !*dir) { + set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return NULL; + } + + if (*dir) strcpy(trndir,dir); + else getcwd(trndir,sizeof trndir - 1); - strcpy(trndir,dir); - while (!strpbrk(trndir,"/]:>") && my_trnlnm(trndir,trndir) != NULL) ; + while (!strpbrk(trndir,"/]:>") && !no_translate_barewords + && my_trnlnm(trndir,trndir,0)) { + STRLEN trnlen = strlen(trndir); + + /* Trap simple rooted lnms, and return lnm:[000000] */ + if (!strcmp(trndir+trnlen-2,".]")) { + if (buf) retpath = buf; + else if (ts) New(1318,retpath,strlen(dir)+10,char); + else retpath = __pathify_retbuf; + strcpy(retpath,dir); + strcat(retpath,":[000000]"); + return retpath; + } + } dir = trndir; - if (!strpbrk(dir,"]:>")) { /* Unix-style path or plain dir name */ + if (!strpbrk(dir,"]:>")) { /* Unix-style path or plain name */ if (*dir == '.' && (*(dir+1) == '\0' || (*(dir+1) == '.' && *(dir+2) == '\0'))) retlen = 2 + (*(dir+1) != '\0'); else { - if (!(cp1 = strrchr(dir,'/'))) cp1 = dir; - if ((cp2 = strchr(cp1,'.')) && *(cp2+1) != '.') { - if (toupper(*(cp2+1)) == 'D' && /* They specified .dir. */ - toupper(*(cp2+2)) == 'I' && /* Trim it off. */ - toupper(*(cp2+3)) == 'R') { - retlen = cp2 - dir + 1; - } - else { /* Some other file type. Bzzt. */ + if ( !(cp1 = strrchr(dir,'/')) && + !(cp1 = strrchr(dir,']')) && + !(cp1 = strrchr(dir,'>')) ) cp1 = dir; + if ((cp2 = strchr(cp1,'.')) != NULL && + (*(cp2-1) != '/' || /* Trailing '.', '..', */ + !(*(cp2+1) == '\0' || /* or '...' are dirs. */ + (*(cp2+1) == '.' && *(cp2+2) == '\0') || + (*(cp2+1) == '.' && *(cp2+2) == '.' && *(cp2+3) == '\0')))) { + int ver; char *cp3; + if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */ + !*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */ + !*(cp2+3) || toupper(*(cp2+3)) != 'R' || + (*(cp2+4) && ((*(cp2+4) != ';' && *(cp2+4) != '.') || + (*(cp2+5) && ((ver = strtol(cp2+5,&cp3,10)) != 1 && + (ver || *cp3)))))) { set_errno(ENOTDIR); set_vaxc_errno(RMS$_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,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 */ @@ -916,18 +1820,42 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) else retpath[retlen-1] = '\0'; } else { /* VMS-style directory spec */ - char esa[NAM$C_MAXRSS+1]; - unsigned long int cmplen; + char esa[NAM$C_MAXRSS+1], *cp; + unsigned long int sts, cmplen, haslower; 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),char); + else if (ts) New(1314,retpath,strlen(dir)+1,char); else retpath = __pathify_retbuf; strcpy(retpath,dir); return retpath; @@ -935,28 +1863,43 @@ static char *do_pathify_dirspec(char *dir,char *buf, int ts) dirfab.fab$l_dna = ".DIR;1"; dirfab.fab$b_dns = 6; dirfab.fab$l_nam = &dirnam; - dirnam.nam$b_ess = (unsigned char) sizeof esa; + dirnam.nam$b_ess = (unsigned char) sizeof esa - 1; dirnam.nam$l_esa = esa; - if (!(sys$parse(&dirfab)&1)) { - set_errno(EVMSERR); - set_vaxc_errno(dirfab.fab$l_sts); - return NULL; - } - savnam = dirnam; - if (!(sys$search(&dirfab)&1)) { /* Does the file really exist? */ - if (dirfab.fab$l_sts != RMS$_FNF) { + + for (cp = dir; *cp; cp++) + if (islower(*cp)) { haslower = 1; break; } + + if (!(sts = (sys$parse(&dirfab)&1))) { + if (dirfab.fab$l_sts == RMS$_DIR) { + dirnam.nam$b_nop |= NAM$M_SYNCHK; + sts = sys$parse(&dirfab) & 1; + } + if (!sts) { set_errno(EVMSERR); set_vaxc_errno(dirfab.fab$l_sts); return NULL; } - dirnam = savnam; /* No; just work with potential name */ } - + else { + 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$l_sts); + return NULL; + } + dirnam = savnam; /* No; just work with potential name */ + } + } if (dirnam.nam$l_fnb & NAM$M_EXP_TYPE) { /* Was type specified? */ /* Yep; check version while we're at it, if it's there. */ cmplen = (dirnam.nam$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; @@ -973,9 +1916,14 @@ 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); + /* $PARSE may have upcased filespec, so convert output to lower + * case if input contained any lowercase characters. */ + if (haslower) __mystrtolower(retpath); } return retpath; @@ -992,11 +1940,24 @@ static char *do_tounixspec(char *spec, char *buf, int ts) { static char __tounixspec_retbuf[NAM$C_MAXRSS+1]; char *dirend, *rslt, *cp1, *cp2, *cp3, tmp[NAM$C_MAXRSS+1]; - int devlen, dirlen; + int devlen, dirlen, retlen = NAM$C_MAXRSS+1, expand = 0; if (spec == NULL) return NULL; + if (strlen(spec) > NAM$C_MAXRSS) return NULL; if (buf) rslt = buf; - else if (ts) New(7015,rslt,NAM$C_MAXRSS+1,char); + else if (ts) { + retlen = strlen(spec); + cp1 = strchr(spec,'['); + if (!cp1) cp1 = strchr(spec,'<'); + if (cp1) { + for (cp1++; *cp1; cp1++) { + if (*cp1 == '-') expand++; /* VMS '-' ==> Unix '../' */ + if (*cp1 == '.' && *(cp1+1) == '.' && *(cp1+2) == '.') + { expand++; cp1 +=2; } /* VMS '...' ==> Unix '/.../' */ + } + } + New(1315,rslt,retlen+2+2*expand,char); + } else rslt = __tounixspec_retbuf; if (strchr(spec,'/') != NULL) { strcpy(rslt,spec); @@ -1012,25 +1973,16 @@ static char *do_tounixspec(char *spec, char *buf, int ts) strcpy(rslt,spec); return rslt; } - if (*cp2 != '[') { + if (*cp2 != '[' && *cp2 != '<') { *(cp1++) = '/'; } else { /* the VMS spec begins with directories */ cp2++; - if (*cp2 == '-') { - while (*cp2 == '-') { - *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '/'; - cp2++; - } - if (*cp2 != '.' && *cp2 != ']' && *cp2 != '>') { /* we don't allow */ - if (ts) Safefree(rslt); /* filespecs like */ - set_errno(EINVAL); set_vaxc_errno(RMS$_SYN); /* [--foo.bar] */ - return NULL; - } - cp2++; + if (*cp2 == ']' || *cp2 == '>') { + *(cp1++) = '.'; *(cp1++) = '/'; *(cp1++) = '\0'; + return rslt; } - else if ( *(cp2) != '.') { /* add the implied device into the Unix spec */ - *(cp1++) = '/'; + else if ( *cp2 != '.' && *cp2 != '-') { /* add the implied device */ if (getcwd(tmp,sizeof tmp,1) == NULL) { if (ts) Safefree(rslt); return NULL; @@ -1040,29 +1992,49 @@ static char *do_tounixspec(char *spec, char *buf, int ts) while (*cp3 != ':' && *cp3) cp3++; *(cp3++) = '\0'; if (strchr(cp3,']') != NULL) break; - } while (((cp3 = getenv(tmp)) != NULL) && strcpy(tmp,cp3)); + } while (vmstrnenv(tmp,tmp,0,fildev,0)); + if (ts && !buf && + ((devlen = strlen(tmp)) + (dirlen = strlen(cp2)) + 1 > retlen)) { + retlen = devlen + dirlen; + Renew(rslt,retlen+1+2*expand,char); + cp1 = rslt; + } cp3 = tmp; - while (*cp3) *(cp1++) = *(cp3++); *(cp1++) = '/'; - if ((devlen = strlen(tmp)) + (dirlen = strlen(cp2)) + 1 > NAM$C_MAXRSS) { - if (ts) Safefree(rslt); - set_errno(ERANGE); - set_errno(RMS$_SYN); - return NULL; + while (*cp3) { + *(cp1++) = *(cp3++); + if (cp1 - rslt > NAM$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 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++) = '/'; - while (*(cp2+1) == ']' || *(cp2+1) == '>' || - *(cp2+1) == '[' || *(cp2+1) == '<') cp2++; + if (*(cp2+1) == ']' || *(cp2+1) == '>') { + while (*(cp2+1) == ']' || *(cp2+1) == '>' || + *(cp2+1) == '[' || *(cp2+1) == '<') cp2++; + 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) == '.') { @@ -1072,10 +2044,9 @@ static char *do_tounixspec(char *spec, char *buf, int ts) } if (*cp2 != '.' && *cp2 != ']' && *cp2 != '>') { /* we don't allow */ if (ts) Safefree(rslt); /* filespecs like */ - set_errno(EINVAL); set_vaxc_errno(RMS$_SYN); /* [--foo.bar] */ + set_errno(EINVAL); set_vaxc_errno(RMS$_SYN); /* [fred.--foo.bar] */ return NULL; } - cp2++; } else *(cp1++) = *cp2; } @@ -1095,12 +2066,13 @@ char *tounixspec_ts(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 __tovmsspec_retbuf[NAM$C_MAXRSS+1]; - register char *rslt, *dirend, *cp1, *cp2; - register unsigned long int infront = 0; + char *rslt, *dirend; + register char *cp1, *cp2; + unsigned long int infront = 0, hasdir = 1; if (path == NULL) return NULL; if (buf) rslt = buf; - else if (ts) New(7016,rslt,strlen(path)+1,char); + else if (ts) New(1316,rslt,strlen(path)+9,char); else rslt = __tovmsspec_retbuf; if (strpbrk(path,"]:>") || (dirend = strrchr(path,'/')) == NULL) { @@ -1112,18 +2084,51 @@ static char *do_tovmsspec(char *path, char *buf, int ts) { else strcpy(rslt,path); return rslt; } - if (*(dirend+1) == '.') { /* do we have trailing "/." or "/.."? */ + if (*(dirend+1) == '.') { /* do we have trailing "/." or "/.." or "/..."? */ if (!*(dirend+2)) dirend +=2; if (*(dirend+2) == '.' && !*(dirend+3)) dirend += 3; + if (*(dirend+2) == '.' && *(dirend+3) == '.' && !*(dirend+4)) dirend += 4; } cp1 = rslt; cp2 = path; if (*cp2 == '/') { + char trndev[NAM$C_MAXRSS+1]; + int islnm, rooted; + STRLEN trnend; + + 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++) = ':'; - *(cp1++) = '['; - if (cp2 == dirend) while (infront++ < 6) *(cp1++) = '0'; - else cp2++; + *cp1 = '\0'; + islnm = my_trnlnm(rslt,trndev,0); + trnend = islnm ? strlen(trndev) - 1 : 0; + islnm = trnend ? (trndev[trnend] == ']' || trndev[trnend] == '>') : 0; + rooted = islnm ? (trndev[trnend-1] == '.') : 0; + /* If the first element of the path is a logical name, determine + * whether it has to be translated so we can add more directories. */ + if (!islnm || rooted) { + *(cp1++) = ':'; + *(cp1++) = '['; + if (cp2 == dirend) while (infront++ < 6) *(cp1++) = '0'; + else cp2++; + } + else { + if (cp2 != dirend) { + if (!buf && ts) Renew(rslt,strlen(path)-strlen(rslt)+trnend+4,char); + strcpy(rslt,trndev); + cp1 = rslt + trnend; + *(cp1++) = '.'; + cp2++; + } + else { + *(cp1++) = ':'; + hasdir = 0; + } + } } else { *(cp1++) = '['; @@ -1136,42 +2141,56 @@ 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++) = '.'; } for (; cp2 < dirend; cp2++) { if (*cp2 == '/') { + if (*(cp2-1) == '/') continue; if (*(cp1-1) != '.') *(cp1++) = '.'; infront = 0; } else if (!infront && *cp2 == '.') { - if (*(cp2+1) == '/') cp2++; /* skip over "./" - it's redundant */ - else if (*(cp2+1) == '.' && (*(cp2+2) == '/' || *(cp2+2) == '\0')) { - if (*(cp1-1) == '-' || *(cp1-1) == '[') *(cp1++) = '-'; /* handle "../" */ + if (cp2+1 == dirend || *(cp2+1) == '\0') { cp2++; break; } + else if (*(cp2+1) == '/') cp2++; /* skip over "./" - it's redundant */ + else if (*(cp2+1) == '.' && (*(cp2+2) == '/' || *(cp2+2) == '\0')) { /* handle "../" */ + if (*(cp1-1) == '-' || *(cp1-1) == '[') *(cp1++) = '-'; else if (*(cp1-2) == '[') *(cp1-1) = '-'; - else { /* back up over previous directory name */ - cp1--; - while (*(cp1-1) != '.' && *(cp1-1) != '[') cp1--; + else { +/* if (*(cp1-1) != '.') *(cp1++) = '.'; */ + *(cp1++) = '-'; } cp2 += 2; - if (cp2 == dirend) { - if (*(cp1-1) == '.') cp1--; - break; + 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 { - if (*(cp1-1) == '-') *(cp1++) = '.'; - if (*cp2 == '/') *(cp1++) = '.'; - else if (*cp2 == '.') *(cp1++) = '_'; + if (!infront && *(cp1-1) == '-') *(cp1++) = '.'; + if (*cp2 == '.') *(cp1++) = '_'; else *(cp1++) = *cp2; infront = 1; } } if (*(cp1-1) == '.') cp1--; /* Unix spec ending in '/' ==> trailing '.' */ - *(cp1++) = ']'; + if (hasdir) *(cp1++) = ']'; if (*cp2) cp2++; /* check in case we ended with trailing '..' */ while (*cp2) *(cp1++) = *(cp2++); *cp1 = '\0'; @@ -1196,7 +2215,7 @@ static char *do_tovmspath(char *path, char *buf, int ts) { if (buf) return buf; else if (ts) { vmslen = strlen(vmsified); - New(7017,cp,vmslen,char); + New(1317,cp,vmslen+1,char); memcpy(cp,vmsified,vmslen); cp[vmslen] = '\0'; return cp; @@ -1225,7 +2244,7 @@ static char *do_tounixpath(char *path, char *buf, int ts) { if (buf) return buf; else if (ts) { unixlen = strlen(unixified); - New(7017,cp,unixlen,char); + New(1317,cp,unixlen+1,char); memcpy(cp,unixified,unixlen); cp[unixlen] = '\0'; return cp; @@ -1255,7 +2274,7 @@ 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 * ***************************************************************************** */ @@ -1294,7 +2313,7 @@ static int background_process(int argc, char **argv); static void pipe_and_fork(char **cmargv); /*{{{ void getredirection(int *ac, char ***av)*/ -void +static void getredirection(int *ac, char ***av) /* * Process vms redirection arg's. Exit if any error is seen. @@ -1340,7 +2359,7 @@ getredirection(int *ac, char ***av) ap = argv[argc-1]; if (0 == strcmp("&", ap)) exit(background_process(--argc, argv)); - if ('&' == ap[strlen(ap)-1]) + if (*ap && '&' == ap[strlen(ap)-1]) { ap[strlen(ap)-1] = '\0'; exit(background_process(argc, argv)); @@ -1355,7 +2374,7 @@ getredirection(int *ac, char ***av) { if (j+1 >= argc) { - fprintf(stderr,"No input file after < on command line"); + PerlIO_printf(Perl_debug_log,"No input file after < on command line"); exit(LIB$_WRONUMARG); } in = argv[++j]; @@ -1370,7 +2389,7 @@ getredirection(int *ac, char ***av) { if (j+1 >= argc) { - fprintf(stderr,"No output file after > on command line"); + PerlIO_printf(Perl_debug_log,"No output file after > on command line"); exit(LIB$_WRONUMARG); } out = argv[++j]; @@ -1390,7 +2409,7 @@ getredirection(int *ac, char ***av) out = 1 + ap; if (j >= argc) { - fprintf(stderr,"No output file after > or >> on command line"); + PerlIO_printf(Perl_debug_log,"No output file after > or >> on command line"); exit(LIB$_WRONUMARG); } continue; @@ -1412,7 +2431,7 @@ getredirection(int *ac, char ***av) err = 2 + ap; if (j >= argc) { - fprintf(stderr,"No output file after 2> or 2>> on command line"); + PerlIO_printf(Perl_debug_log,"No output file after 2> or 2>> on command line"); exit(LIB$_WRONUMARG); } continue; @@ -1421,7 +2440,7 @@ getredirection(int *ac, char ***av) { if (j+1 >= argc) { - fprintf(stderr,"No command into which to pipe on command line"); + PerlIO_printf(Perl_debug_log,"No command into which to pipe on command line"); exit(LIB$_WRONUMARG); } cmargc = argc-(j+1); @@ -1443,7 +2462,7 @@ 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; @@ -1452,7 +2471,7 @@ getredirection(int *ac, char ***av) { if (out != NULL) { - fprintf(stderr,"'|' and '>' may not both be specified on command line"); + PerlIO_printf(Perl_debug_log,"'|' and '>' may not both be specified on command line"); exit(LIB$_INVARGORD); } pipe_and_fork(cmargv); @@ -1460,7 +2479,7 @@ getredirection(int *ac, char ***av) /* Check for input from a pipe (mailbox) */ - if (1 == isapipe(0)) + if (in == NULL && 1 == isapipe(0)) { char mbxname[L_tmpnam]; long int bufsize; @@ -1471,12 +2490,7 @@ getredirection(int *ac, char ***av) /* Input from a pipe, reopen it in binary mode to disable */ /* carriage control processing. */ - if (in != NULL) - { - fprintf(stderr,"'|' and '<' may not both be specified on command line"); - exit(LIB$_INVARGORD); - } - fgetname(stdin, mbxname,1); + PerlIO_getname(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); @@ -1490,38 +2504,45 @@ getredirection(int *ac, char ***av) freopen(mbxname, "rb", stdin); if (errno != 0) { - fprintf(stderr,"Can't reopen input pipe (name: %s) in binary mode",mbxname); + PerlIO_printf(Perl_debug_log,"Can't reopen input pipe (name: %s) in binary mode",mbxname); exit(vaxc$errno); } } if ((in != NULL) && (NULL == freopen(in, "r", stdin, "mbc=32", "mbf=2"))) { - fprintf(stderr,"Can't open input file %s as stdin",in); + PerlIO_printf(Perl_debug_log,"Can't open input file %s as stdin",in); exit(vaxc$errno); } if ((out != NULL) && (NULL == freopen(out, outmode, stdout, "mbc=32", "mbf=2"))) { - fprintf(stderr,"Can't open output file %s as stdout",out); + PerlIO_printf(Perl_debug_log,"Can't open output file %s as stdout",out); exit(vaxc$errno); } if (err != NULL) { + if (strcmp(err,"&1") == 0) { + dup2(fileno(stdout), fileno(Perl_debug_log)); + } else { FILE *tmperr; if (NULL == (tmperr = fopen(err, errmode, "mbc=32", "mbf=2"))) { - fprintf(stderr,"Can't open error file %s as stderr",err); + PerlIO_printf(Perl_debug_log,"Can't open error file %s as stderr",err); exit(vaxc$errno); } fclose(tmperr); - if (NULL == freopen(err, "a", stderr, "mbc=32", "mbf=2")) + if (NULL == freopen(err, "a", Perl_debug_log, "mbc=32", "mbf=2")) { exit(vaxc$errno); } } + } #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 $! later */ + set_errno(0); set_vaxc_errno(1); } /* end of getredirection() */ /*}}}*/ @@ -1532,11 +2553,11 @@ static void add_item(struct list_item **head, { if (*head == 0) { - New(7003,*head,1,struct list_item); + New(1303,*head,1,struct list_item); *tail = *head; } else { - New(7004,(*tail)->next,1,struct list_item); + New(1304,(*tail)->next,1,struct list_item); *tail = (*tail)->next; } (*tail)->value = value; @@ -1551,18 +2572,21 @@ static void expand_wild_cards(char *item, int expcount = 0; unsigned long int context = 0; int isunix = 0; -int status_value; char *had_version; char *had_device; int had_directory; -char *devdir; +char *devdir,*cp; char vmsspec[NAM$C_MAXRSS+1]; $DESCRIPTOR(filespec, ""); $DESCRIPTOR(defaultspec, "SYS$DISK:[]"); $DESCRIPTOR(resultspec, ""); -unsigned long int zero = 0; +unsigned long int zero = 0, sts; - if (strcspn(item, "*%") == strlen(item)) + for (cp = item; *cp; cp++) { + if (*cp == '*' || *cp == '%' || isspace(*cp)) break; + if (*cp == '.' && *(cp-1) == '.' && *(cp-2) =='.') break; + } + if (!*cp || isspace(*cp)) { add_item(head, tail, item, count); return; @@ -1585,13 +2609,13 @@ unsigned long int zero = 0; had_device = strchr(item, ':'); had_directory = (isunix || NULL != strchr(item, '[')) || (NULL != strchr(item, '<')); - while (1 == (1&lib$find_file(&filespec, &resultspec, &context, - &defaultspec, 0, &status_value, &zero))) + while (1 == (1 & (sts = lib$find_file(&filespec, &resultspec, &context, + &defaultspec, 0, 0, &zero)))) { char *string; char *c; - New(7005,string,resultspec.dsc$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) @@ -1609,14 +2633,34 @@ unsigned long int zero = 0; for (c = string; *c; ++c) if (isupper(*c)) *c = tolower(*c); - if (isunix) trim_unixpath(item,string); + if (isunix) trim_unixpath(string,item,1); add_item(head, tail, string, count); ++expcount; } + if (sts != RMS$_NMF) + { + set_vaxc_errno(sts); + switch (sts) + { + case RMS$_FNF: + case RMS$_DNF: + case RMS$_DIR: + set_errno(ENOENT); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_FNM: + case RMS$_SYN: + set_errno(EINVAL); break; + case RMS$_PRV: + set_errno(EACCES); break; + default: + _ckvmssts_noperl(sts); + } + } if (expcount == 0) add_item(head, tail, item, count); - lib$sfree1_dd(&resultspec); - lib$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 */ @@ -1630,7 +2674,7 @@ 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 -- */ @@ -1645,7 +2689,7 @@ 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; @@ -1681,19 +2725,19 @@ static void pipe_and_fork(char **cmargv) 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); + PerlIO_printf(Perl_debug_log, "Pipe Mailbox Name = '%s'\n", mbxdsc.dsc$a_pointer); + PerlIO_printf(Perl_debug_log, "Sub Process Command = '%s'\n", cmddsc.dsc$a_pointer); #endif - _ckvmssts(lib$spawn(&cmddsc, &mbxdsc, 0, &one, - 0, &pid, child_st, &zero, sig_child, - &child_chan)); + _ckvmssts_noperl(lib$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); + PerlIO_printf(Perl_debug_log, "Subprocess's Pid = %08X\n", pid); #endif sys$dclexh(&exit_block); if (NULL == freopen(mbxname, "wb", stdout)) { - fprintf(stderr,"Can't open output pipe (name %s)",mbxname); + PerlIO_printf(Perl_debug_log,"Can't open output pipe (name %s)",mbxname); } } @@ -1718,19 +2762,19 @@ unsigned long int flags = 17, one = 1, retsts; } value.dsc$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$set_symbol(&pidsymbol, &pidstr); @@ -1739,46 +2783,280 @@ unsigned long int flags = 17, one = 1, retsts; /*}}}*/ /***** End of code taken from Mark Pizzolato's argproc.c package *****/ + +/* OS-specific initialization at image activation (not thread startup) */ +/* Older VAXC header files lack these constants */ +#ifndef JPI$_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$descriptor_s **tabvec; + dTHX; + struct itmlst_3 jpilist[4] = { {sizeof iprv, JPI$_IMAGPRIV, iprv, &dummy}, + {sizeof rlst, JPI$_RIGHTSLIST, rlst, &rlen}, + { sizeof rsz, JPI$_RIGHTS_SIZE, &rsz, &dummy}, + { 0, 0, 0, 0} }; + + _ckvmssts(sys$getjpiw(0,NULL,NULL,jpilist,iosb,NULL,NULL)); + _ckvmssts(iosb[0]); + for (i = 0; i < sizeof iprv / sizeof(unsigned long int); i++) { + if (iprv[i]) { /* Running image installed with privs? */ + _ckvmssts(sys$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 $GETJPI wants (rsz is size in bytes that + * were needed to hold all identifiers at time of last call; we'll + * allocate that many unsigned long ints), and go back and get 'em. + */ + if (jpilist[1].bufadr != rlst) Safefree(jpilist[1].bufadr); + jpilist[1].bufadr = New(1320,mask,rsz,unsigned long int); + jpilist[1].buflen = rsz * sizeof(unsigned long int); + _ckvmssts(sys$getjpiw(0,NULL,NULL,&jpilist[1],iosb,NULL,NULL)); + _ckvmssts(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$M_SUBSYSTEM) { + will_taint = TRUE; + break; + } + } + if (mask != rlst) Safefree(mask); + } + /* We need to use this hack to tell Perl it should run with tainting, + * since its tainting flag may be part of the PL_curinterp struct, which + * hasn't been allocated when vms_image_init() is called. + */ + if (will_taint) { + char ***newap; + New(1320,newap,*argcp+2,char **); + newap[0] = argvp[0]; + *newap[1] = "-T"; + Copy(argvp[1],newap[2],*argcp-1,char **); + /* We orphan the old argv, since we don't know where it's come from, + * so we don't know how to free it. + */ + *argcp++; argvp = newap; + } + else { /* Did user explicitly request tainting? */ + int i; + char *cp, **av = *argvp; + for (i = 1; i < *argcp; i++) { + if (*av[i] != '-') break; + for (cp = av[i]+1; *cp; cp++) { + if (*cp == 'T') { will_taint = 1; break; } + else if ( (*cp == 'd' || *cp == 'V') && *(cp+1) == ':' || + strchr("DFIiMmx",*cp)) break; + } + if (will_taint) break; + } + } + + for (tabidx = 0; + len = my_trnlnm("PERL_ENV_TABLES",eqv,tabidx); + tabidx++) { + if (!tabidx) New(1321,tabvec,tabct,struct dsc$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(lib$scopy_r_dx(&len,eqv,tabvec[tabidx])); + } + if (tabidx) { tabvec[tabidx] = NULL; env_tables = tabvec; } + + getredirection(argcp,argvp); +#if defined(USE_THREADS) && defined(__DECC) + { +# include + (void) decc$set_reentrancy(C$C_MULTITHREAD); + } +#endif + return; +} +/*}}}*/ + + /* trim_unixpath() * Trim Unix-style prefix off filespec, so it looks like what a shell * glob expansion would return (i.e. from specified prefix on, not * full path). Note that returned filespec is Unix-style, regardless * of whether input filespec was VMS-style or Unix-style. * - * Returns !=0 on success, 0 on failure. + * fspec is filespec to be trimmed, and wildspec is wildcard spec used to + * determine prefix (both may be in VMS or Unix syntax). opts is a bit + * vector of options; at present, only bit 0 is used, and if set tells + * trim unixpath to try the current default directory as a prefix when + * presented with a possibly ambiguous ... wildcard. + * + * Returns !=0 on success, with trimmed filespec replacing contents of + * fspec, and 0 on failure, with contents of fpsec unchanged. */ -/*{{{int trim_unixpath(char *template, char *fspec)*/ +/*{{{int trim_unixpath(char *fspec, char *wildspec, int opts)*/ int -trim_unixpath(char *template, char *fspec) +trim_unixpath(char *fspec, char *wildspec, int opts) { - char unixified[NAM$C_MAXRSS+1], *base, *cp1, *cp2; - register int tmplen; - + char unixified[NAM$C_MAXRSS+1], unixwild[NAM$C_MAXRSS+1], + *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 = unixwild; + } + else template = wildspec; if (strpbrk(fspec,"]>:") != NULL) { if (do_tounixspec(fspec,unixified,0) == NULL) return 0; else base = unixified; + /* reslen != 0 ==> we had to unixify resultant filespec, so we must + * check to see that final result fits into (isn't longer than) fspec */ + reslen = strlen(fspec); } else base = fspec; - for (cp2 = base; *cp2; cp2++) ; /* Find end of filespec */ - - /* 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--; - if (cp1 == template) return 1; /* Wildcard was up front - no prefix to clip */ - tmplen = cp1 - template; - - /* Try to find template prefix on filespec */ - if (!memcmp(base,template,tmplen)) return 1; /* Nothing before prefix - we're done */ - for (; cp2 - base > tmplen; base++) { - if (*base != '/') continue; - if (!memcmp(base + 1,template,tmplen)) break; - } - if (cp2 - base == tmplen) return 0; /* Not there - not good */ - base++; /* Move past leading '/' */ - /* Copy down remaining portion of filespec, including trailing NUL */ - memmove(fspec,base,cp2 - base + 1); - return 1; + + /* No prefix or absolute path on wildcard, so nothing to remove */ + if (!*template || *template == '/') { + if (base == fspec) return 1; + tmplen = strlen(unixified); + if (tmplen > reslen) return 0; /* not enough space */ + /* Copy unixified resultant, including trailing NUL */ + memmove(fspec,unixified,tmplen+1); + return 1; + } + + 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; + } + 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$K_CLASS_S, 0}; + + while ((cp1 = strstr(ellipsis+4,".../")) != NULL) {ellipsis = cp1; ells++;} + totells = ells; + for (cp1 = ellipsis+4; *cp1; cp1++) if (*cp1 == '/') dirs++; + if (ellipsis == template && opts & 1) { + /* Template begins with an ellipsis. Since we can't tell how many + * directory names at the front of the resultant to keep for an + * arbitrary starting point, we arbitrarily choose the current + * default directory as a starting point. If it's there as a prefix, + * clip it off. If not, fall through and act as if the leading + * ellipsis weren't there (i.e. return shortest possible path that + * could match template). + */ + if (getcwd(tpl, sizeof tpl,0) == NULL) return 0; + for (cp1 = tpl, cp2 = base; *cp1 && *cp2; cp1++,cp2++) + if (_tolower(*cp1) != _tolower(*cp2)) break; + segdirs = dirs - totells; /* Min # of dirs we must have left */ + for (front = cp2+1; *front; front++) if (*front == '/') segdirs--; + if (*cp1 == '\0' && *cp2 == '/' && segdirs < 1) { + memcpy(fspec,cp2+1,end - cp2); + return 1; + } + } + /* First off, back up over constant elements at end of path */ + if (dirs) { + for (front = end ; front >= base; front--) + if (*front == '/' && !dirs--) { front++; break; } + } + for (cp1=template,cp2=lcres; *cp1 && cp2 <= lcres + sizeof lcres; + cp1++,cp2++) *cp2 = _tolower(*cp1); /* Make lc copy for match */ + if (cp1 != '\0') return 0; /* Path too long. */ + lcend = cp2; + *cp2 = '\0'; /* Pick up with memcpy later */ + lcfront = lcres + (front - base); + /* Now skip over each ellipsis and try to match the path in front of it. */ + while (ells--) { + for (cp1 = ellipsis - 2; cp1 >= template; cp1--) + if (*(cp1) == '.' && *(cp1+1) == '.' && + *(cp1+2) == '.' && *(cp1+3) == '/' ) break; + if (cp1 < template) break; /* template started with an ellipsis */ + if (cp1 + 4 == ellipsis) { /* Consecutive ellipses */ + ellipsis = cp1; continue; + } + wilddsc.dsc$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() */ /*}}}*/ @@ -1787,9 +3065,8 @@ trim_unixpath(char *template, char *fspec) /* * VMS readdir() routines. * Written by Rich $alz, in August, 1990. - * This code has no copyright. * - * 21-Jul-1994 Charles Bailey bailey@genetics.upenn.edu + * 21-Jul-1994 Charles Bailey bailey@newman.upenn.edu * Minor modifications to original routines. */ @@ -1805,14 +3082,23 @@ opendir(char *name) { DIR *dd; char dir[NAM$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; + } + if (flex_stat(dir,&sb) == -1) return NULL; + if (!S_ISDIR(sb.st_mode)) { + set_errno(ENOTDIR); set_vaxc_errno(RMS$_DIR); + return NULL; } - New(7007,dd->pattern,strlen(dir)+sizeof "*.*" + 1,char); + if (!cando_by_name(S_IRUSR,0,dir)) { + set_errno(EACCES); set_vaxc_errno(RMS$_PRV); + return NULL; + } + /* 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); @@ -1865,13 +3151,14 @@ collectversions(dd) char *p, *text, buff[sizeof dd->entry.d_name]; int i; unsigned long context, tmpsts; + dTHX; /* Convenient shorthand. */ e = &dd->entry; /* 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); @@ -1922,14 +3209,28 @@ readdir(DIR *dd) res.dsc$w_length = sizeof buff - 2; res.dsc$b_dtype = DSC$K_DTYPE_T; res.dsc$b_class = DSC$K_CLASS_S; - dd->count++; tmpsts = lib$find_file(&dd->pat, &res, &dd->context); - if ( tmpsts == RMS$_NMF || tmpsts == RMS$_FNF || - dd->context == 0) return NULL; /* None left. */ - + if ( tmpsts == RMS$_NMF || dd->context == 0) return NULL; /* None left. */ + if (!(tmpsts & 1)) { + set_vaxc_errno(tmpsts); + switch (tmpsts) { + case RMS$_PRV: + set_errno(EACCES); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_DIR: + case RMS$_FNF: + set_errno(ENOENT); break; + default: + set_errno(EVMSERR); + } + return NULL; + } + dd->count++; /* Force the buffer to end with a NUL, and downcase name to match C convention. */ buff[sizeof buff - 1] = '\0'; - for (p = buff; !isspace(*p); p++) *p = _tolower(*p); + for (p = buff; *p; p++) *p = _tolower(*p); + while (--p >= buff) if (!isspace(*p)) break; /* Do we really need this? */ *p = '\0'; /* Skip any directory component and just copy the name. */ @@ -1966,6 +3267,7 @@ void seekdir(DIR *dd, long count) { int vms_wantversions; + dTHX; /* If we haven't done anything yet... */ if (dd->count == 0) @@ -2006,12 +3308,12 @@ seekdir(DIR *dd, long count) * in 'VMSish fashion' (i.e. not after a call to vfork) The args * are concatenated to form a DCL command string. If the first arg * begins with '$' (i.e. the perl script had "\$ Type" or some such), - * the the command string is hrnded off to DCL directly. Otherwise, + * the 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$spawn and what Unix folks expect from exec. */ @@ -2027,19 +3329,37 @@ my_vfork() } /*}}}*/ + static void -setup_argstr(SV *really, SV **mark, SV **sp, char **argstr) +vms_execfree() { + if (PL_Cmd) { + if (PL_Cmd != VMScmd.dsc$a_pointer) Safefree(PL_Cmd); + PL_Cmd = Nullch; + } + if (VMScmd.dsc$a_pointer) { + Safefree(VMScmd.dsc$a_pointer); + VMScmd.dsc$w_length = 0; + VMScmd.dsc$a_pointer = Nullch; + } +} + +static char * +setup_argstr(SV *really, SV **mark, SV **sp) { - char *tmps, *junk; + dTHX; + char *junk, *tmps = Nullch; register size_t cmdlen = 0; size_t rlen; register SV **idx; + STRLEN n_a; idx = mark; - tmps = SvPV(really,rlen); - if (really && *tmps) { - cmdlen += rlen + 1; - idx++; + if (really) { + tmps = SvPV(really,rlen); + if (*tmps) { + cmdlen += rlen + 1; + idx++; + } } for (idx++; idx <= sp; idx++) { @@ -2048,95 +3368,167 @@ setup_argstr(SV *really, SV **mark, SV **sp, char **argstr) cmdlen += rlen ? rlen + 1 : 0; } } - New(401,*argstr,cmdlen, char); + New(401,PL_Cmd,cmdlen+1,char); - if (*tmps) { - strcpy(*argstr,tmps); + if (tmps && *tmps) { + strcpy(PL_Cmd,tmps); mark++; } - else **argstr = '\0'; + else *PL_Cmd = '\0'; while (++mark <= sp) { if (*mark) { - strcat(*argstr," "); - strcat(*argstr,SvPVx(*mark,na)); + char *s = SvPVx(*mark,n_a); + if (!*s) continue; + if (*PL_Cmd) strcat(PL_Cmd," "); + strcat(PL_Cmd,s); } } + return PL_Cmd; } /* end of setup_argstr() */ + static unsigned long int -setup_cmddsc(char *cmd, struct dsc$descriptor_s *cmddsc, int check_img) +setup_cmddsc(char *cmd, int check_img) { - char resspec[NAM$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 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$_NORMAL; + register char *s, *rest, *cp, *wordbreak; + register int isdcl; + dTHX; + + if (strlen(cmd) > + (sizeof(vmsspec) > sizeof(resspec) ? sizeof(resspec) : sizeof(vmsspec))) + return LIB$_INVARG; 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 == '$') { + vmsspec[0] = *s; rest = s + 1; + for (cp = &vmsspec[1]; *rest && isspace(*rest); rest++,cp++) *cp = *rest; + } + else { cp = vmsspec; rest = s; } + if (*rest == '.' || *rest == '/') { + char *cp2; + for (cp2 = resspec; + *rest && !isspace(*rest) && cp2 - resspec < sizeof resspec; + rest++, cp2++) *cp2 = *rest; + *cp2 = '\0'; + if (do_tovmsspec(resspec,cp,0)) { + s = vmsspec; + if (*rest) { + for (cp2 = vmsspec + strlen(vmsspec); + *rest && cp2 - vmsspec < sizeof vmsspec; + rest++, cp2++) *cp2 = *rest; + *cp2 = '\0'; } } } - else isdcl = 1; - if (isdcl) { /* It's a DCL command, just do it. */ - cmddsc->dsc$a_pointer = cmd; - cmddsc->dsc$w_length = strlen(cmd); + /* Intuit whether verb (first word of cmd) is a DCL command: + * - if first nonspace char is '@', it's a DCL indirection + * otherwise + * - if verb contains a filespec separator, it's not a DCL command + * - if it doesn't, caller tells us whether to default to a DCL + * command, or to a local image unless told it's DCL (by leading '$') + */ + if (*s == '@') isdcl = 1; + 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 & STS$M_CODE) == (SHR$_NOWILD & STS$M_CODE)) return retsts; - else { - _ckvmssts(retsts); + if (!(retsts&1)) { + _ckvmssts(lib$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$find_file_end(&cxt)); + + if (retsts & 1) { + FILE *fp; s = resspec; while (*s && !isspace(*s)) s++; *s = '\0'; - New(402,Cmd,6 + s - resspec + (rest ? strlen(rest) : 0),char); - strcpy(Cmd,"$ MCR "); - strcat(Cmd,resspec); - if (rest) strcat(Cmd,rest); - cmddsc->dsc$a_pointer = Cmd; - cmddsc->dsc$w_length = strlen(Cmd); + + /* 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 "); + } else { + strcpy(VMScmd.dsc$a_pointer,"@"); + } + strcat(VMScmd.dsc$a_pointer,resspec); + if (rest) strcat(VMScmd.dsc$a_pointer,rest); + VMScmd.dsc$w_length = strlen(VMScmd.dsc$a_pointer); + return retsts; + } + else retsts = RMS$_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; + else VMScmd.dsc$a_pointer = savepvn(cmd,VMScmd.dsc$w_length); + 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$_BUFOVF : retsts); - return SS$_NORMAL; } /* end of setup_cmddsc() */ + /* {{{ bool vms_do_aexec(SV *really,SV **mark,SV **sp) */ bool vms_do_aexec(SV *really,SV **mark,SV **sp) { - + dTHX; 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)); - /* no vfork - act VMSish */ - setup_argstr(really,mark,sp,Argv); - return vms_do_exec(*Argv); } return FALSE; @@ -2148,27 +3540,46 @@ bool vms_do_exec(char *cmd) { + dTHX; 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); } { /* no vfork - act VMSish */ - struct dsc$descriptor_s cmddsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; unsigned long int retsts; - if ((retsts = setup_cmddsc(cmd,&cmddsc,1)) & 1) - retsts = lib$do_command(&cmddsc); - - set_errno(EVMSERR); + TAINT_ENV(); + TAINT_PROPER("exec"); + if ((retsts = setup_cmddsc(cmd,1)) & 1) + retsts = lib$do_command(&VMScmd); + + switch (retsts) { + case RMS$_FNF: + set_errno(ENOENT); break; + case RMS$_DNF: case RMS$_DIR: case RMS$_DEV: + set_errno(ENOTDIR); break; + case RMS$_PRV: + set_errno(EACCES); break; + case RMS$_SYN: + set_errno(EINVAL); break; + case CLI$_BUFOVF: + set_errno(E2BIG); break; + case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */ + _ckvmssts(retsts); /* fall through */ + default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */ + set_errno(EVMSERR); + } set_vaxc_errno(retsts); - if (dowarn) - warn("Can't exec \"%s\": %s", cmddsc.dsc$a_pointer, Strerror(errno)); - do_execfree(); + if (ckWARN(WARN_EXEC)) { + Perl_warner(aTHX_ WARN_EXEC,"Can't exec \"%*s\": %s", + VMScmd.dsc$w_length, VMScmd.dsc$a_pointer, Strerror(errno)); + } + vms_execfree(); } return FALSE; @@ -2178,15 +3589,12 @@ vms_do_exec(char *cmd) unsigned long int do_spawn(char *); -/* {{{ unsigned long int do_aspawn(SV *really,SV **mark,SV **sp) */ +/* {{{ unsigned long int do_aspawn(void *really,void **mark,void **sp) */ unsigned long int -do_aspawn(SV *really,SV **mark,SV **sp) +do_aspawn(void *really,void **mark,void **sp) { - - if (sp > mark) { - setup_argstr(really,mark,sp,Argv); - return do_spawn(*Argv); - } + dTHX; + if (sp > mark) return do_spawn(setup_argstr((SV *)really,(SV **)mark,(SV **)sp)); return SS$_ABORT; } /* end of do_aspawn() */ @@ -2196,23 +3604,45 @@ do_aspawn(SV *really,SV **mark,SV **sp) unsigned long int do_spawn(char *cmd) { - struct dsc$descriptor_s cmddsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; - unsigned long int substs; + unsigned long int sts, substs, hadcmd = 1; + dTHX; + TAINT_ENV(); + TAINT_PROPER("spawn"); if (!cmd || !*cmd) { - _ckvmssts(lib$spawn(0,0,0,0,0,&substs,0,0,0,0,0)); + hadcmd = 0; + sts = lib$spawn(0,0,0,0,0,0,&substs,0,0,0,0,0,0); } - else if ((substs = setup_cmddsc(cmd,&cmddsc,0)) & 1) { - _ckvmssts(lib$spawn(&cmddsc,0,0,0,0,&substs,0,0,0,0,0)); + else if ((sts = setup_cmddsc(cmd,0)) & 1) { + sts = lib$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 exec \"%s\": %s", - (cmd && *cmd) ? cmddsc.dsc$a_pointer : "", Strerror(errno)); + if (!(sts & 1)) { + switch (sts) { + case RMS$_FNF: + set_errno(ENOENT); break; + case RMS$_DNF: case RMS$_DIR: case RMS$_DEV: + set_errno(ENOTDIR); break; + case RMS$_PRV: + set_errno(EACCES); break; + case RMS$_SYN: + set_errno(EINVAL); break; + case CLI$_BUFOVF: + set_errno(E2BIG); break; + case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */ + _ckvmssts(sts); /* fall through */ + default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */ + set_errno(EVMSERR); + } + set_vaxc_errno(sts); + if (ckWARN(WARN_EXEC)) { + Perl_warner(aTHX_ WARN_EXEC,"Can't spawn \"%*s\": %s", + hadcmd ? VMScmd.dsc$w_length : 0, + hadcmd ? VMScmd.dsc$a_pointer : "", + Strerror(errno)); + } } + vms_execfree(); return substs; } /* end of do_spawn() */ @@ -2243,6 +3673,22 @@ my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest) } /* end of my_fwrite() */ /*}}}*/ +/*{{{ int my_flush(FILE *fp)*/ +int +my_flush(FILE *fp) +{ + int res; + if ((res = fflush(fp)) == 0 && fp) { +#ifdef VMS_DO_SOCKETS + Stat_t s; + if (Fstat(fileno(fp), &s) == 0 && !S_ISSOCK(s.st_mode)) +#endif + res = fsync(fileno(fp)); + } + return res; +} +/*}}}*/ + /* * Here are replacements for the following Unix routines in the VMS environment: * getpwuid Get information for a particular UIC or UID @@ -2292,25 +3738,20 @@ my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest) (uic).uic$v_member != UIC$K_WILD_MEMBER && \ (uic).uic$v_group != UIC$K_WILD_GROUP) -static const char __empty[]= ""; -static const struct passwd __passwd_empty= +static char __empty[]= ""; +static struct passwd __passwd_empty= {(char *) __empty, (char *) __empty, 0, 0, (char *) __empty, (char *) __empty, (char *) __empty, (char *) __empty}; static int contxt= 0; static struct passwd __pwdcache; static char __pw_namecache[UAI$S_IDENT+1]; -static char *_mystrtolower(char *str) -{ - if (str) for (; *str; ++str) *str= tolower(*str); - return str; -} - /* * This routine does most of the work extracting the user information. */ static int fillpasswd (const char *name, struct passwd *pwd) { + dTHX; static struct { unsigned char length; char pw_gecos[UAI$S_OWNER+1]; @@ -2332,9 +3773,9 @@ static int fillpasswd (const char *name, struct passwd *pwd) static unsigned short lowner, luic, ldefdev, ldefdir, ldefcli, lpwd; struct dsc$descriptor_s name_desc; - int status; + unsigned long int sts; - static const struct itmlst_3 itmlst[]= { + static struct itmlst_3 itmlst[]= { {UAI$S_OWNER+1, UAI$_OWNER, &owner, &lowner}, {sizeof(uic), UAI$_UIC, &uic, &luic}, {UAI$S_DEFDEV+1, UAI$_DEFDEV, &defdev, &ldefdev}, @@ -2349,8 +3790,12 @@ static int fillpasswd (const char *name, struct passwd *pwd) name_desc.dsc$a_pointer= (char *) name; /* Note that sys$getuai returns many fields as counted strings. */ - status= sys$getuai(0, 0, &name_desc, &itmlst, 0, 0, 0); - if (!(status&1)) return status; + sts= sys$getuai(0, 0, &name_desc, &itmlst, 0, 0, 0); + if (sts == SS$_NOSYSPRV || sts == SS$_NOGRPPRV || sts == RMS$_RNF) { + set_vaxc_errno(sts); set_errno(sts == RMS$_RNF ? EINVAL : EACCES); + } + else { _ckvmssts(sts); } + if (!(sts & 1)) return 0; /* out here in case _ckvmssts() doesn't abort */ if ((int) owner.length < lowner) lowner= (int) owner.length; if ((int) defdev.length < ldefdev) ldefdev= (int) defdev.length; @@ -2365,7 +3810,7 @@ static int fillpasswd (const char *name, struct passwd *pwd) pwd->pw_gid= uic.uic$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; @@ -2378,8 +3823,8 @@ static int fillpasswd (const char *name, struct passwd *pwd) } else strcpy(pwd->pw_unixdir, pwd->pw_dir); - _mystrtolower(pwd->pw_unixdir); - return status; + __mystrtolower(pwd->pw_unixdir); + return 1; } /* @@ -2390,24 +3835,29 @@ struct passwd *my_getpwnam(char *name) { struct dsc$descriptor_s name_desc; union uicdef uic; - unsigned long int status, stat; + unsigned long int status, sts; + dTHX; __pwdcache = __passwd_empty; - if ((status = fillpasswd(name, &__pwdcache)) == SS$_NOSYSPRV - || status == SS$_NOGRPPRV || status == RMS$_RNF) { + if (!fillpasswd(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$_NOSUCHID || stat == RMS$_PRV) return NULL; - else { _ckvmssts(stat); } + else { + 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(sts); } + } } - else { _ckvmssts(status); } strncpy(__pw_namecache, name, sizeof(__pw_namecache)); __pw_namecache[sizeof __pw_namecache - 1] = '\0'; __pwdcache.pw_name= __pw_namecache; @@ -2426,66 +3876,546 @@ struct passwd *my_getpwuid(Uid_t uid) unsigned short lname; union uicdef uic; unsigned long int status; + dTHX; + + if (uid == (unsigned int) -1) { + do { + status = sys$idtoasc(-1, &lname, &name_desc, &uic, 0, &contxt); + if (status == SS$_NOSUCHID || status == RMS$_PRV) { + set_vaxc_errno(status); + set_errno(status == RMS$_PRV ? EACCES : EINVAL); + my_endpwent(); + return NULL; + } + else { _ckvmssts(status); } + } while (!valid_uic (uic)); + } + else { + uic.uic$l_uic= uid; + if (!uic.uic$v_group) + 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; + if (status == SS$_IVIDENT || status == SS$_NOSUCHID || + status == RMS$_PRV) { + set_vaxc_errno(status); set_errno(status == RMS$_PRV ? EACCES : EINVAL); + return NULL; + } + else { _ckvmssts(status); } + } + __pw_namecache[lname]= '\0'; + __mystrtolower(__pw_namecache); + + __pwdcache = __passwd_empty; + __pwdcache.pw_name = __pw_namecache; + +/* Fill in the uid and gid in case fillpasswd can't (eg. no privilege). + The identifier's value is usually the UIC, but it doesn't have to be, + so if we can, we let fillpasswd update this. */ + __pwdcache.pw_uid = uic.uic$l_uic; + __pwdcache.pw_gid = uic.uic$v_group; + + fillpasswd(__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)); +} +/*}}}*/ + +/* + * Finish searching rights database for users. +*/ +/*{{{void my_endpwent()*/ +void my_endpwent() +{ + dTHX; + 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$_INVARG); return -1; } + *set & (1 << (sig - 1)); +} +/*}}}*/ + + +/*{{{int my_sigprocmask(int how, sigset_t *set, sigset_t *oset)*/ +int my_sigprocmask(int how, sigset_t *set, sigset_t *oset) { + sigset_t tempmask; + + /* If set and oset are both null, then things are badly wrong. Bail out. */ + if ((oset == NULL) && (set == NULL)) { + set_errno(EFAULT); set_vaxc_errno(SS$_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 + +#if defined(__VMS_VER) && __VMS_VER >= 70000000 && __DECC_VER >= 50200000 +# define RTL_USES_UTC 1 +#endif + +/* + * 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$__utc_time +# pragma __extern_prefix restore + + struct tm *gmtime(), *localtime(); + +# endif +#endif + + +static time_t toutc_dst(time_t loc) { + struct tm *rsltmp; + + if ((rsltmp = localtime(&loc)) == NULL) return -1; + loc -= utc_offset_secs; + if (rsltmp->tm_isdst) loc -= 3600; + return loc; +} +#define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ + ((gmtime_emulation_type || my_time(NULL)), \ + (gmtime_emulation_type == 1 ? toutc_dst(secs) : \ + ((secs) - utc_offset_secs)))) + +static time_t toloc_dst(time_t utc) { + struct tm *rsltmp; + + utc += utc_offset_secs; + if ((rsltmp = localtime(&utc)) == NULL) return -1; + if (rsltmp->tm_isdst) utc += 3600; + return utc; +} +#define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \ + ((gmtime_emulation_type || my_time(NULL)), \ + (gmtime_emulation_type == 1 ? toloc_dst(secs) : \ + ((secs) + utc_offset_secs)))) + + +/* my_time(), my_localtime(), my_gmtime() + * By default traffic in UTC time values, using CRTL gmtime() or + * SYS$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 my_time(time_t *timep) +{ + dTHX; + 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++; + 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 * +my_gmtime(const time_t *timep) +{ + dTHX; + char *p; + time_t when; + struct tm *rsltmp; + + if (timep == NULL) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + return NULL; + } + if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */ + + when = *timep; +# ifdef VMSISH_TIME + if (VMSISH_TIME) when = _toutc(when); /* Input was local time */ +# endif +# ifdef RTL_USES_UTC /* this implies that the CRTL has a working gmtime() */ + return gmtime(&when); +# else + /* CRTL localtime() wants local time as input, so does no tz correction */ + rsltmp = localtime(&when); + if (rsltmp) rsltmp->tm_isdst = 0; /* We already took DST into account */ + return rsltmp; +#endif +} /* end of my_gmtime() */ +/*}}}*/ + + +/*{{{struct tm *my_localtime(const time_t *timep)*/ +struct tm * +my_localtime(const time_t *timep) +{ + dTHX; + time_t when; + struct tm *rsltmp; + + if (timep == NULL) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + return NULL; + } + if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */ + 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 +# ifdef VMSISH_TIME + if (!VMSISH_TIME) when = _toloc(when); /* Input was UTC */ +# endif +# 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 = -1; + return rsltmp; + +} /* 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 $QIO; + * no separate checks are made to insure that the caller is the + * owner of the file or has special privs enabled. + * Code here is based on Joe Meadows' FILE utility. + */ + +/* Adjustment from Unix epoch (01-JAN-1970 00:00:00.00) + * to VMS epoch (01-JAN-1858 00:00:00.00) + * in 100 ns intervals. + */ +static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 }; + +/*{{{int my_utime(char *path, struct utimbuf *utimes)*/ +int my_utime(char *file, struct utimbuf *utimes) +{ + dTHX; + register int i; + long int bintime[2], len = 2, lowbit, unixtime, + secscale = 10000000; /* seconds --> 100 ns intervals */ + unsigned long int chan, iosb[2], retsts; + char vmsspec[NAM$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$K_CLASS_S,0}; - if (uid == (unsigned int) -1) { - do { - status = sys$idtoasc(-1, &lname, &name_desc, &uic, 0, &contxt); - if (status == SS$_NOSUCHID || status == RMS$_PRV) { - my_endpwent(); - return NULL; - } - else { _ckvmssts(status); } - } while (!valid_uic (uic)); + if (file == NULL || *file == '\0') { + set_errno(ENOENT); + set_vaxc_errno(LIB$_INVARG); + return -1; + } + if (do_tovmsspec(file,vmsspec,0) == NULL) return -1; + + if (utimes != NULL) { + /* Convert Unix time (seconds since 01-JAN-1970 00:00:00.00) + * to VMS quadword time (100 nsec intervals since 01-JAN-1858 00:00:00.00). + * Since time_t is unsigned long int, and lib$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; } - else { - uic.uic$l_uic= uid; - if (!uic.uic$v_group) uic.uic$v_group= getgid(); - if (valid_uic(uic)) - status = sys$idtoasc(uic.uic$l_uic, &lname, &name_desc, 0, 0, 0); - else status = SS$_IVIDENT; - _ckvmssts(status); + retsts = lib$addx(bintime,utime_baseadjust,bintime,&len); + if (!(retsts & 1)) { + set_errno(EVMSERR); + set_vaxc_errno(retsts); + return -1; } - __pw_namecache[lname]= '\0'; - _mystrtolower(__pw_namecache); + } + else { + /* Just get the current time in VMS format directly */ + retsts = sys$gettim(bintime); + if (!(retsts & 1)) { + set_errno(EVMSERR); + set_vaxc_errno(retsts); + return -1; + } + } - __pwdcache = __passwd_empty; - __pwdcache.pw_name = __pw_namecache; + 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$b_rss = (unsigned char) sizeof rsa; -/* Fill in the uid and gid in case fillpasswd can't (eg. no privilege). - The identifier's value is usually the UIC, but it doesn't have to be, - so if we can, we let fillpasswd update this. */ - __pwdcache.pw_uid = uic.uic$l_uic; - __pwdcache.pw_gid = uic.uic$v_group; + /* Look for the file to be affected, letting RMS parse the file + * specification for us as well. I have set errno using only + * values documented in the utime() man page for VMS POSIX. + */ + retsts = sys$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; + } - status = fillpasswd(__pw_namecache, &__pwdcache); - if (status != SS$_NOSYSPRV && status != SS$_NOGRPPRV && - status != RMS$_RNF) { _ckvmssts(status); } - return &__pwdcache; + devdsc.dsc$w_length = mynam.nam$b_dev; + devdsc.dsc$a_pointer = (char *) mynam.nam$l_dev; -} /* end of my_getpwuid() */ -/*}}}*/ + retsts = sys$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; + } -/* - * Get information for next user. -*/ -/*{{{struct passwd *my_getpwent()*/ -struct passwd *my_getpwent() -{ - return (my_getpwuid((unsigned int) -1)); -} -/*}}}*/ + fnmdsc.dsc$a_pointer = mynam.nam$l_name; + fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver; -/* - * Finish searching rights database for users. -*/ -/*{{{void my_endpwent()*/ -void my_endpwent() -{ - if (contxt) { - _ckvmssts(sys$finish_rdb(&contxt)); - contxt= 0; - } -} + memset((void *) &myfib, 0, sizeof myfib); +#ifdef __DECC + for (i=0;i<3;i++) myfib.fib$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; +#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; + } + + return 0; +} /* end of my_utime() */ /*}}}*/ /* @@ -2510,7 +4440,7 @@ void my_endpwent() * available, do we try to pack the device name into an integer (flagged by * the sign bit (LOCKID_MASK) being set). * - * Note that encode_dev cann guarantee an 1-to-1 correspondence twixt device + * Note that encode_dev cannot guarantee an 1-to-1 correspondence twixt device * name and its encoded form, but it seems very unlikely that we will find * two files on different disks that share the same encoded device names, * and even more remote that they will share the same file id (if the test @@ -2523,13 +4453,14 @@ void my_endpwent() * 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 (const char *dev) { int i; unsigned long int f; - dev_t enc; + mydev_t enc; char c; const char *q; + dTHX; if (!dev || !dev[0]) return 0; @@ -2575,6 +4506,7 @@ static int is_null_device(name) const char *name; { + dTHX; /* The VMS null device is named "_NLA0:", usually abbreviated as "NL:". The underscore prefix, controller letter, and unit number are independently optional; for our purposes, the colon punctuation @@ -2589,16 +4521,14 @@ 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 $Check_Access on VMS, since the CRTL stat() returns only a * subset of the applicable information. */ -/*{{{I32 cando(I32 bit, I32 effective, struct stat *statbufp)*/ -I32 -cando(I32 bit, I32 effective, struct stat *statbufp) +bool +Perl_cando(pTHX_ Mode_t bit, Uid_t effective, Stat_t *statbufp) { - if (statbufp == &statcache) - return cando_by_name(bit,effective,namecache); + if (statbufp == &PL_statcache) return cando_by_name(bit,effective,namecache); else { char fname[NAM$C_MAXRSS+1]; unsigned long int retsts; @@ -2607,37 +4537,39 @@ 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$fid_to_name(&devdsc,statbufp->st_inode_u.fid,&namdsc, - &namdsc.dsc$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$w_length] = '\0'; return cando_by_name(bit,effective,fname); } else if (retsts == SS$_NOSUCHDEV || retsts == SS$_NOSUCHFILE) { - warn("Can't get filespec - stale stat buffer?\n"); + Perl_warn(aTHX_ "Can't get filespec - stale stat buffer?\n"); return FALSE; } _ckvmssts(retsts); return FALSE; /* Should never get to here */ } -} +} /* end of cando() */ /*}}}*/ -/*{{{I32 cando_by_name(I32 bit, I32 effective, char *fname)*/ + +/*{{{I32 cando_by_name(I32 bit, Uid_t effective, char *fname)*/ I32 -cando_by_name(I32 bit, I32 effective, char *fname) +cando_by_name(I32 bit, Uid_t effective, char *fname) { static char usrname[L_cuserid]; static struct dsc$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$C_FILE, access, retsts, privused, iosb[2]; unsigned short int retlen; + dTHX; struct dsc$descriptor_s namdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; union prvdef curprv; struct itmlst_3 armlst[3] = {{sizeof access, CHP$_ACCESS, &access, &retlen}, @@ -2646,12 +4578,27 @@ cando_by_name(I32 bit, I32 effective, char *fname) {0,0,0,0}}; if (!fname || !*fname) return FALSE; + /* Make sure we expand logical names, since sys$check_access doesn't */ + if (!strpbrk(fname,"/]>:")) { + strcpy(fileified,fname); + while (!strpbrk(fileified,"/]>:>") && my_trnlnm(fileified,fileified,0)) ; + fname = fileified; + } + if (!do_tovmsspec(fname,vmsname,1)) return FALSE; + retlen = namdsc.dsc$w_length = strlen(vmsname); + namdsc.dsc$a_pointer = vmsname; + if (vmsname[retlen-1] == ']' || vmsname[retlen-1] == '>' || + vmsname[retlen-1] == ':') { + if (!do_fileify_dirspec(vmsname,fileified,1)) return FALSE; + namdsc.dsc$w_length = strlen(fileified); + namdsc.dsc$a_pointer = fileified; + } + if (!usrdsc.dsc$w_length) { cuserid(usrname); usrdsc.dsc$w_length = strlen(usrname); } - namdsc.dsc$w_length = strlen(fname); - namdsc.dsc$a_pointer = fname; + switch (bit) { case S_IXUSR: case S_IXGRP: @@ -2678,21 +4625,31 @@ cando_by_name(I32 bit, I32 effective, char *fname) } retsts = sys$check_access(&objtyp,&namdsc,&usrdsc,armlst); - if (retsts == SS$_NOPRIV || retsts == RMS$_FNF || - retsts == RMS$_DIR || retsts == RMS$_DEV) return FALSE; + if (retsts == SS$_NOPRIV || retsts == SS$_NOSUCHOBJECT || + retsts == SS$_INVFILFOROP || retsts == RMS$_FNF || retsts == RMS$_SYN || + retsts == RMS$_DIR || retsts == RMS$_DEV) { + 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_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; return TRUE; } + if (retsts == SS$_ACCONFLICT) { + return TRUE; + } _ckvmssts(retsts); return FALSE; /* Should never get here */ @@ -2701,29 +4658,53 @@ cando_by_name(I32 bit, I32 effective, char *fname) /*}}}*/ -/*{{{ int flex_fstat(int fd, struct stat *statbuf)*/ +/*{{{ int flex_fstat(int fd, Stat_t *statbuf)*/ int -flex_fstat(int fd, struct stat *statbuf) +flex_fstat(int fd, Stat_t *statbufp) { - char fspec[NAM$C_MAXRSS+1]; - - if (!getname(fd,fspec,1)) return -1; - return flex_stat(fspec,statbuf); + dTHX; + if (!fstat(fd,(stat_t *) statbufp)) { + if (statbufp == (Stat_t *) &PL_statcache) *namecache == '\0'; + statbufp->st_dev = encode_dev(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)*/ +/*{{{ int flex_stat(const char *fspec, Stat_t *statbufp)*/ int -flex_stat(char *fspec, struct stat *statbufp) +flex_stat(const char *fspec, Stat_t *statbufp) { + dTHX; char fileified[NAM$C_MAXRSS+1]; - int retval,myretval; - struct stat tmpbuf; + char temp_fspec[NAM$C_MAXRSS+300]; + int retval = -1; - - if (statbufp == &statcache) do_tovmsspec(fspec,namecache,0); - if (is_null_device(fspec)) { /* Fake a stat() for the null device */ + 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_mode = S_IFBLK | S_IREAD | S_IWRITE | S_IEXEC; @@ -2734,35 +4715,246 @@ flex_stat(char *fspec, struct stat *statbufp) return 0; } -/* 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 - - 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(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); return retval; } /* end of flex_stat() */ /*}}}*/ + +/*{{{char *my_getlogin()*/ +/* VMS cuserid == Unix getlogin, except calling sequence */ +char * +my_getlogin() +{ + static char user[L_cuserid]; + return cuserid(user); +} +/*}}}*/ + + +/* rmscopy - copy a file using VMS RMS routines + * + * Copies contents and attributes of spec_in to spec_out, except owner + * and protection information. Name and type of spec_in are used as + * defaults for spec_out. The third parameter specifies whether rmscopy() + * should try to propagate timestamps from the input file to the output file. + * If it is less than 0, no timestamps are preserved. If it is 0, then + * rmscopy() will behave similarly to the DCL COPY command: timestamps are + * propagated to the output file at creation iff the output file specification + * did not contain an explicit name or type, and the revision date is always + * updated at the end of the copy operation. If it is greater than 0, then + * it is interpreted as a bitmask, in which bit 0 indicates that timestamps + * other than the revision date should be propagated, and bit 1 indicates + * that the revision date should be propagated. + * + * Returns 1 on success; returns 0 and sets errno and vaxc$errno on failure. + * + * Copyright 1996 by Charles Bailey . + * Incorporates, with permission, some code from EZCOPY by Tim Adye + * . Permission is given to distribute this code + * as part of the Perl standard distribution under the terms of the + * GNU General Public License or the Perl Artistic License. Copies + * of each may be found in the Perl standard distribution. + */ +/*{{{int rmscopy(char *src, char *dst, int preserve_dates)*/ +int +rmscopy(char *spec_in, char *spec_out, int preserve_dates) +{ + char vmsin[NAM$C_MAXRSS+1], vmsout[NAM$C_MAXRSS+1], esa[NAM$C_MAXRSS], + rsa[NAM$C_MAXRSS], ubf[32256]; + unsigned long int i, sts, sts2; + struct FAB fab_in, fab_out; + struct RAB rab_in, rab_out; + struct NAM nam; + struct XABDAT xabdat; + struct XABFHC xabfhc; + struct XABRDT xabrdt; + struct XABSUM xabsum; + + if (!spec_in || !*spec_in || !do_tovmsspec(spec_in,vmsin,1) || + !spec_out || !*spec_out || !do_tovmsspec(spec_out,vmsout,1)) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + return 0; + } + + fab_in = cc$rms_fab; + fab_in.fab$l_fna = vmsin; + fab_in.fab$b_fns = strlen(vmsin); + fab_in.fab$b_shr = FAB$M_SHRPUT | FAB$M_UPI; + fab_in.fab$b_fac = FAB$M_BIO | FAB$M_GET; + fab_in.fab$l_fop = FAB$M_SQO; + fab_in.fab$l_nam = &nam; + fab_in.fab$l_xab = (void *) &xabdat; + + nam = cc$rms_nam; + nam.nam$l_rsa = rsa; + nam.nam$b_rss = sizeof(rsa); + nam.nam$l_esa = esa; + nam.nam$b_ess = sizeof (esa); + nam.nam$b_esl = nam.nam$b_rsl = 0; + + xabdat = cc$rms_xabdat; /* To get creation date */ + xabdat.xab$l_nxt = (void *) &xabfhc; + + xabfhc = cc$rms_xabfhc; /* To get record length */ + xabfhc.xab$l_nxt = (void *) &xabsum; + + xabsum = cc$rms_xabsum; /* To get key and area information */ + + if (!((sts = sys$open(&fab_in)) & 1)) { + set_vaxc_errno(sts); + switch (sts) { + case RMS$_FNF: + case RMS$_DIR: + set_errno(ENOENT); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_SYN: + set_errno(EINVAL); break; + case RMS$_PRV: + set_errno(EACCES); break; + default: + set_errno(EVMSERR); + } + return 0; + } + + fab_out = fab_in; + fab_out.fab$w_ifi = 0; + fab_out.fab$b_fac = FAB$M_BIO | FAB$M_PUT; + fab_out.fab$b_shr = FAB$M_SHRGET | FAB$M_UPI; + fab_out.fab$l_fop = FAB$M_SQO; + fab_out.fab$l_fna = vmsout; + fab_out.fab$b_fns = strlen(vmsout); + fab_out.fab$l_dna = nam.nam$l_name; + fab_out.fab$b_dns = nam.nam$l_name ? nam.nam$b_name + nam.nam$b_type : 0; + + if (preserve_dates == 0) { /* Act like DCL COPY */ + nam.nam$b_nop = NAM$M_SYNCHK; + fab_out.fab$l_xab = NULL; /* Don't disturb data from input file */ + if (!((sts = sys$parse(&fab_out)) & 1)) { + set_errno(sts == RMS$_SYN ? EINVAL : EVMSERR); + set_vaxc_errno(sts); + return 0; + } + fab_out.fab$l_xab = (void *) &xabdat; + if (nam.nam$l_fnb & (NAM$M_EXP_NAME | NAM$M_EXP_TYPE)) preserve_dates = 1; + } + fab_out.fab$l_nam = (void *) 0; /* Done with NAM block */ + if (preserve_dates < 0) /* Clear all bits; we'll use it as a */ + preserve_dates =0; /* bitmask from this point forward */ + + if (!(preserve_dates & 1)) fab_out.fab$l_xab = (void *) &xabfhc; + if (!((sts = sys$create(&fab_out)) & 1)) { + set_vaxc_errno(sts); + switch (sts) { + case RMS$_DIR: + set_errno(ENOENT); break; + case RMS$_DEV: + set_errno(ENODEV); break; + case RMS$_SYN: + set_errno(EINVAL); break; + case RMS$_PRV: + set_errno(EACCES); break; + default: + set_errno(EVMSERR); + } + return 0; + } + fab_out.fab$l_fop |= FAB$M_DLT; /* in case we have to bail out */ + 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$l_xab = (void *) &xabrdt; + } + + rab_in = cc$rms_rab; + rab_in.rab$l_fab = &fab_in; + rab_in.rab$l_rop = RAB$M_BIO; + rab_in.rab$l_ubf = ubf; + rab_in.rab$w_usz = sizeof ubf; + if (!((sts = sys$connect(&rab_in)) & 1)) { + sys$close(&fab_in); sys$close(&fab_out); + set_errno(EVMSERR); set_vaxc_errno(sts); + return 0; + } + + rab_out = cc$rms_rab; + rab_out.rab$l_fab = &fab_out; + rab_out.rab$l_rbf = ubf; + if (!((sts = sys$connect(&rab_out)) & 1)) { + sys$close(&fab_in); sys$close(&fab_out); + set_errno(EVMSERR); set_vaxc_errno(sts); + return 0; + } + + while ((sts = sys$read(&rab_in))) { /* always true */ + if (sts == RMS$_EOF) break; + rab_out.rab$w_rsz = rab_in.rab$w_rsz; + if (!(sts & 1) || !((sts = sys$write(&rab_out)) & 1)) { + sys$close(&fab_in); sys$close(&fab_out); + set_errno(EVMSERR); set_vaxc_errno(sts); + return 0; + } + } + + fab_out.fab$l_fop &= ~FAB$M_DLT; /* We got this far; keep the output */ + sys$close(&fab_in); sys$close(&fab_out); + sts = (fab_in.fab$l_sts & 1) ? fab_out.fab$l_sts : fab_in.fab$l_sts; + if (!(sts & 1)) { + set_errno(EVMSERR); set_vaxc_errno(sts); + return 0; + } + + return 1; + +} /* end of rmscopy() */ +/*}}}*/ + + /*** The following glue provides 'hooks' to make some of the routines * from this file available from Perl. These routines are sufficiently * basic, and are required sufficiently early in the build process, @@ -2773,93 +4965,191 @@ flex_stat(char *fspec, struct stat *statbufp) */ void -vmsify_fromperl(CV *cv) +rmsexpand_fromperl(pTHX_ CV *cv) +{ + dXSARGS; + char *fspec, *defspec = NULL, *rslt; + STRLEN n_a; + + 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); + + 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(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$C_MAXRSS+1], *fsp; + SV *mysv; + IO *io; + STRLEN n_a; + + if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::candelete(spec)"); + + mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0); + if (SvTYPE(mysv) == SVt_PVGV) { + if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),fspec,1)) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + ST(0) = &PL_sv_no; + XSRETURN(1); + } + fsp = fspec; + } + else { + if (mysv != ST(0) || !(fsp = SvPV(mysv,n_a)) || !*fsp) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + ST(0) = &PL_sv_no; + XSRETURN(1); + } + } + + ST(0) = boolSV(cando_by_name(S_IDUSR,0,fsp)); + XSRETURN(1); +} + +void +rmscopy_fromperl(pTHX_ CV *cv) { dXSARGS; - char vmsspec[NAM$C_MAXRSS+1]; + char inspec[NAM$C_MAXRSS+1], outspec[NAM$C_MAXRSS+1], *inp, *outp; + int date_flag; + struct dsc$descriptor indsc = { 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}, + outdsc = { 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; + unsigned long int sts; + SV *mysv; + IO *io; + STRLEN n_a; + + if (items < 2 || items > 3) + Perl_croak(aTHX_ "Usage: File::Copy::rmscopy(from,to[,date_flag])"); + + mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0); + if (SvTYPE(mysv) == SVt_PVGV) { + if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),inspec,1)) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + ST(0) = &PL_sv_no; + XSRETURN(1); + } + inp = inspec; + } + else { + if (mysv != ST(0) || !(inp = SvPV(mysv,n_a)) || !*inp) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + ST(0) = &PL_sv_no; + XSRETURN(1); + } + } + mysv = SvROK(ST(1)) ? SvRV(ST(1)) : ST(1); + if (SvTYPE(mysv) == SVt_PVGV) { + if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),outspec,1)) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + ST(0) = &PL_sv_no; + XSRETURN(1); + } + outp = outspec; + } + else { + if (mysv != ST(1) || !(outp = SvPV(mysv,n_a)) || !*outp) { + set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG); + ST(0) = &PL_sv_no; + XSRETURN(1); + } + } + date_flag = (items == 3) ? SvIV(ST(2)) : 0; - if (items != 1) croak("Usage: VMS::Filespec::candelete(spec)"); - if (do_tovmsspec(SvPV(ST(0),na),buf,0) && cando_by_name(S_IDUSR,0,buf)) - ST(0) = &sv_yes; - else ST(0) = &sv_no; + ST(0) = boolSV(rmscopy(inp,outp,date_flag)); XSRETURN(1); } @@ -2867,14 +5157,24 @@ void init_os_extras() { char* file = __FILE__; + dTHX; + char temp_buff[512]; + if (my_trnlnm("DECC$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::vmsify",vmsify_fromperl,file,"$"); + newXSproto("VMS::Filespec::unixify",unixify_fromperl,file,"$"); + newXSproto("VMS::Filespec::pathify",pathify_fromperl,file,"$"); + newXSproto("VMS::Filespec::fileify",fileify_fromperl,file,"$"); + newXSproto("VMS::Filespec::vmspath",vmspath_fromperl,file,"$"); + newXSproto("VMS::Filespec::unixpath",unixpath_fromperl,file,"$"); + newXSproto("VMS::Filespec::candelete",candelete_fromperl,file,"$"); + newXS("File::Copy::rmscopy",rmscopy_fromperl,file); - newXS("VMS::Filespec::vmsify",vmsify_fromperl,file); - newXS("VMS::Filespec::unixify",unixify_fromperl,file); - newXS("VMS::Filespec::pathify",pathify_fromperl,file); - newXS("VMS::Filespec::fileify",fileify_fromperl,file); - newXS("VMS::Filespec::vmspath",vmspath_fromperl,file); - newXS("VMS::Filespec::unixpath",unixpath_fromperl,file); - newXS("VMS::Filespec::candelete",candelete_fromperl,file); return; }