*
* VMS-specific routines for perl5
*
- * Last revised: 27-Feb-1998 by Charles Bailey bailey@newman.upenn.edu
- * Version: 5.4.61
+ * Last revised: 24-Apr-1999 by Charles Bailey bailey@newman.upenn.edu
+ * Version: 5.5.58
*/
#include <acedef.h>
#include <iodef.h>
#include <jpidef.h>
#include <kgbdef.h>
+#include <libclidef.h>
#include <libdef.h>
#include <lib$routines.h>
#include <lnmdef.h>
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
+/* Anticipating future expansion in lexical warnings . . . */
+#ifndef WARN_INTERNAL
+# define WARN_INTERNAL WARN_MISC
+#endif
/* gcc's header files don't #define direct access macros
* corresponding to VAXC's variant structs */
return str;
}
+static struct dsc$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$descriptor_s **env_tables = defenv;
+static bool will_taint = FALSE; /* tainting active, but no PL_curinterp yet */
+
+/*{{{int vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, struct dsc$descriptor_s **tabvec, unsigned long int flags) */
int
-my_trnlnm(char *lnm, char *eqv, unsigned long int idx)
+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$K_CLASS_S,0};
- struct itmlst_3 lnmlst[3] = {{sizeof idx, LNM$_INDEX, &idx, 0},
- {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"); $DESCRIPTOR(clisym,"CLISYM");
- if (!lnm || idx > LNM$_MAX_INDEX) {
+ if (!lnm || !eqv || idx > LNM$_MAX_INDEX) {
set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return 0;
}
- if (!eqv) eqv = __my_trnlnm_eqv;
- lnmlst[1].bufadr = (void *)eqv;
- lnmdsc.dsc$a_pointer = lnm;
- lnmdsc.dsc$w_length = strlen(lnm);
- retsts = sys$trnlnm(&attr,&tabdsc,&lnmdsc,0,lnmlst);
- if (retsts == SS$_NOLOGNAM || retsts == SS$_IVLOGNAM) {
- set_vaxc_errno(retsts); set_errno(EINVAL); return 0;
+ for (cp1 = (char *)lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
+ *cp2 = _toupper(*cp1);
+ if (cp1 - lnm > LNM$C_NAMLENGTH) {
+ set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM);
+ return 0;
+ }
}
- else if (retsts & 1) {
- eqv[eqvlen] = '\0';
- return eqvlen;
+ lnmdsc.dsc$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;
+ warn("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$_STRTRU);
+ eqvlen = 1024;
+ if (ckWARN(WARN_MISC))
+ warner(WARN_MISC,"Value of CLI symbol \"%s\" too long",lnm);
+ }
+ strncpy(eqv,eqvdsc.dsc$a_pointer,eqvlen);
+ }
+ _ckvmssts(lib$sfree1_dd(&eqvdsc));
+ if (retsts == LIB$_INVSYMNAM) { ivsym = 1; continue; }
+ if (retsts == LIB$_NOSUCHSYM) continue;
+ break;
+ }
+ }
+ else if (!ivlnm) {
+ retsts = sys$trnlnm(&attr,tabvec[curtab],&lnmdsc,&acmode,lnmlst);
+ if (retsts == SS$_IVLOGNAM) { ivlnm = 1; continue; }
+ if (retsts == SS$_NOLOGNAM) continue;
+ break;
+ }
}
- _ckvmssts(retsts); /* Must be an error */
- return 0; /* Not reached, assuming _ckvmssts() bails out */
+ if (retsts & 1) { eqv[eqvlen] = '\0'; return eqvlen; }
+ else if (retsts == LIB$_NOSUCHSYM || retsts == LIB$_INVSYMNAM ||
+ retsts == SS$_IVLOGNAM || retsts == SS$_IVLOGTAB ||
+ retsts == SS$_NOLOGNAM) {
+ set_errno(EINVAL); set_vaxc_errno(retsts);
+ }
+ else _ckvmssts(retsts);
+ return 0;
+} /* end of vmstrnenv */
+/*}}}*/
-} /* end of my_trnlnm */
+
+/*{{{ int my_trnlnm(const char *lnm, char *eqv, unsigned long int idx)*/
+/* Define as a function so we can access statics. */
+int my_trnlnm(const char *lnm, char *eqv, unsigned long int idx)
+{
+ return vmstrnenv(lnm,eqv,idx,fildev,
+#ifdef SECURE_INTERNAL_GETENV
+ (PL_curinterp ? PL_tainting : will_taint) ? PERL__TRNENV_SECURE : 0
+#else
+ 0
+#endif
+ );
+}
+/*}}}*/
/* my_getenv
- * Translate a logical name. Substitute for CRTL getenv() to avoid
- * memory leak, and to keep my_getenv() and my_setenv() in the same
- * domain (mostly - my_getenv() need not return a translation from
- * the process logical name table)
- *
* Note: Uses Perl temp to store result so char * can be returned to
* caller; this pointer will be invalidated at next Perl statement
* transition.
+ * We define this as a function rather than a macro in terms of my_getenv_sv()
+ * so that it'll work when PL_curinterp is undefined (and we therefore can't
+ * allocate SVs).
*/
-/*{{{ char *my_getenv(const char *lnm)*/
+/*{{{ char *my_getenv(const char *lnm, bool sys)*/
char *
-my_getenv(const char *lnm)
+my_getenv(const char *lnm, bool sys)
{
static char __my_getenv_eqv[LNM$C_NAMLENGTH+1];
- char uplnm[LNM$C_NAMLENGTH+1], *cp2, *eqv;
- const char *cp1;
+ char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2, *eqv;
unsigned long int idx = 0;
int trnsuccess;
SV *tmpsv;
eqv = SvPVX(tmpsv);
}
else eqv = __my_getenv_eqv; /* Assume no interpreter ==> single thread */
- for (cp1 = lnm, cp2= uplnm; *cp1; cp1++, cp2++) *cp2 = _toupper(*cp1);
- *cp2 = '\0';
- if (cp1 - lnm == 7 && !strncmp(uplnm,"DEFAULT",7)) {
+ for (cp1 = (char *) lnm, cp2 = eqv; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1);
+ if (cp1 - lnm == 7 && !strncmp(eqv,"DEFAULT",7)) {
getcwd(eqv,LNM$C_NAMLENGTH);
return eqv;
}
else {
- if ((cp2 = strchr(uplnm,';')) != NULL) {
- *cp2 = '\0';
+ if ((cp2 = strchr(lnm,';')) != NULL) {
+ strcpy(uplnm,lnm);
+ uplnm[cp2-lnm] = '\0';
idx = strtoul(cp2+1,NULL,0);
+ lnm = uplnm;
}
- trnsuccess = my_trnlnm(uplnm,eqv,idx);
- /* If we had a translation index, we're only interested in lnms */
- if (!trnsuccess && cp2 != NULL) return Nullch;
- if (trnsuccess) return eqv;
- else {
- unsigned long int retsts;
- struct dsc$descriptor_s symdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0},
- valdsc = {LNM$C_NAMLENGTH,DSC$K_DTYPE_T,
- DSC$K_CLASS_S, eqv};
- symdsc.dsc$w_length = cp1 - lnm;
- symdsc.dsc$a_pointer = uplnm;
- retsts = lib$get_symbol(&symdsc,&valdsc,&(valdsc.dsc$w_length),0);
- if (retsts == LIB$_INVSYMNAM) return Nullch;
- if (retsts != LIB$_NOSUCHSYM) {
- /* We want to return only logical names or CRTL Unix emulations */
- if (retsts & 1) return Nullch;
- _ckvmssts(retsts);
- }
- /* Try for CRTL emulation of a Unix/POSIX name */
- else return getenv(uplnm);
- }
+ if (vmstrnenv(lnm,eqv,idx,
+ sys ? fildev : NULL,
+#ifdef SECURE_INTERNAL_GETENV
+ sys ? PERL__TRNENV_SECURE : 0
+#else
+ 0
+#endif
+ )) return eqv;
+ else return Nullch;
}
- return Nullch;
} /* end of my_getenv() */
/*}}}*/
+
+/*{{{ SV *my_getenv_sv(const char *lnm, bool sys)*/
+SV *
+my_getenv_sv(const char *lnm, bool sys)
+{
+ char buf[LNM$C_NAMLENGTH+1], *cp1, *cp2;
+ unsigned long int len, idx = 0;
+
+ for (cp1 = (char *)lnm, cp2 = buf; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1);
+ if (cp1 - lnm == 7 && !strncmp(buf,"DEFAULT",7)) {
+ getcwd(buf,LNM$C_NAMLENGTH);
+ return newSVpv(buf,0);
+ }
+ else {
+ if ((cp2 = strchr(lnm,';')) != NULL) {
+ strcpy(buf,lnm);
+ buf[cp2-lnm] = '\0';
+ idx = strtoul(cp2+1,NULL,0);
+ lnm = buf;
+ }
+ if ((len = vmstrnenv(lnm,buf,idx,
+ sys ? fildev : NULL,
+#ifdef SECURE_INTERNAL_GETENV
+ sys ? PERL__TRNENV_SECURE : 0
+#else
+ 0
+#endif
+ ))) return newSVpv(buf,len);
+ else return &PL_sv_undef;
+ }
+
+} /* end of my_getenv_sv() */
+/*}}}*/
+
static void create_mbx(unsigned short int *, struct dsc$descriptor_s *);
static void riseandshine(unsigned long int dummy) { sys$wake(0,0); }
{
dTHR;
static int primed = 0;
- HV *envhv = GvHVn(PL_envgv);
- PerlIO *sholog;
- char eqv[LNM$C_NAMLENGTH+1],mbxnam[LNM$C_NAMLENGTH+1],*start,*end;
+ HV *seenhv = NULL, *envhv;
+ char cmd[LNM$C_NAMLENGTH+24], mbxnam[LNM$C_NAMLENGTH], *buf = Nullch;
unsigned short int chan;
#ifndef CLI$M_TRUSTED
# define CLI$M_TRUSTED 0x40 /* Missing from VAXC headers */
#endif
- unsigned long int flags = CLI$M_NOWAIT | CLI$M_NOCLISYM | CLI$M_NOKEYPAD | CLI$M_TRUSTED;
- unsigned long int i, retsts, substs = 0, wakect = 0;
- STRLEN eqvlen;
- SV *oldrs, *linesv, *eqvsv;
- $DESCRIPTOR(cmddsc,"Show Logical *"); $DESCRIPTOR(nldsc,"_NLA0:");
- $DESCRIPTOR(clidsc,"DCL"); $DESCRIPTOR(tabdsc,"DCLTABLES");
- $DESCRIPTOR(mbxdsc,mbxnam);
+ unsigned long int defflags = CLI$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"); $DESCRIPTOR(mbxdsc,mbxnam);
#ifdef USE_THREADS
static perl_mutex primenv_mutex;
MUTEX_INIT(&primenv_mutex);
#endif
- if (primed) return;
+ if (primed || !PL_envgv) return;
MUTEX_LOCK(&primenv_mutex);
if (primed) { MUTEX_UNLOCK(&primenv_mutex); return; }
+ envhv = GvHVn(PL_envgv);
/* Perform a dummy fetch as an lval to insure that the hash table is
* set up. Otherwise, the hv_store() will turn into a nullop. */
(void) hv_fetch(envhv,"DEFAULT",7,TRUE);
- /* Also, set up any "special" keys that the CRTL defines,
- * either by itself or becasue we were called from a C program
- * using exec[lv]e() */
- for (i = 0; environ[i]; i++) {
- if (!(start = strchr(environ[i],'='))) {
- warn("Ill-formed CRTL environ value \"%s\"\n",environ[i]);
- }
- else {
- start++;
- (void) hv_store(envhv,environ[i],start - environ[i] - 1,newSVpv(start,0),0);
- }
- }
- /* Now, go get the logical names */
- create_mbx(&chan,&mbxdsc);
- if ((sholog = PerlIO_open(mbxnam,"r")) != Nullfp) {
- if ((retsts = sys$dassgn(chan)) & 1) {
- /* Be certain that subprocess is using the CLI and command tables we
- * expect, and don't pass symbols through so that we insure that
- * "Show Logical" can't be subverted.
- */
- do {
- retsts = lib$spawn(&cmddsc,&nldsc,&mbxdsc,&flags,0,0,&substs,
- 0,&riseandshine,0,0,&clidsc,&tabdsc);
- flags &= ~CLI$M_TRUSTED; /* Just in case we hit a really old version */
- } while (retsts == LIB$_INVARG && (flags | CLI$M_TRUSTED));
- }
+ 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 (sholog == Nullfp || !(retsts & 1)) {
- if (sholog != Nullfp) PerlIO_close(sholog);
- MUTEX_UNLOCK(&primenv_mutex);
- _ckvmssts(sholog == Nullfp ? vaxc$errno : retsts);
+ if (have_sym || have_lnm) {
+ long int syiitm = SYI$_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$w_length));
}
- /* We use Perl's sv_gets to read from the pipe, since PerlIO_open is
- * tied to Perl's I/O layer, so it may not return a simple FILE * */
- oldrs = PL_rs;
- PL_rs = newSVpv("\n",1);
- linesv = newSVpv("",0);
- while (1) {
- if ((start = sv_gets(linesv,sholog,0)) == Nullch) {
- PerlIO_close(sholog);
- SvREFCNT_dec(linesv); SvREFCNT_dec(PL_rs); PL_rs = oldrs;
- primed = 1;
- /* Wait for subprocess to clean up (we know subproc won't return 0) */
- while (substs == 0) { sys$hiber(); wakect++;}
- if (wakect > 1) sys$wake(0,0); /* Stole someone else's wake */
- _ckvmssts(substs);
- MUTEX_UNLOCK(&primenv_mutex);
- return;
+
+ for (i--; i >= 0; i--) {
+ if (!str$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))
+ warner(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$M_NOLOGNAM;
}
- while (*start != '"' && *start != '=' && *start) start++;
- if (*start != '"') continue;
- for (end = ++start; *end && *end != '"'; end++) ;
- if (*end) *end = '\0';
- else end = Nullch;
- if ((eqvlen = my_trnlnm(start,eqv,0)) == 0) {
- if (vaxc$errno == SS$_NOLOGNAM || vaxc$errno == SS$_IVLOGNAM) {
- if (PL_dowarn)
- warn("Ill-formed logical name |%s| in prime_env_iter",start);
+ else {
+ strcpy(cmd,"Show Logical *");
+ if (str$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$wake(0,0); /* Stole someone else's wake */
+ _ckvmssts(substs);
+ break;
+ }
+ _ckvmssts(sts);
+ retlen = iosb[0] >> 16;
+ if (!retlen) continue; /* blank line */
+ buf[retlen] = '\0';
+ if (iosb[1] != subpid) {
+ if (iosb[1]) {
+ croak("Unknown process %x sent message to prime_env_iter: %s",buf);
+ }
+ continue;
+ }
+ if (sts == SS$_BUFFEROVF && ckWARN(WARN_INTERNAL))
+ warner(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++;
+ for (cp1 = buf + retlen; *cp1 != '"'; cp1--) ;
+ if ((!keylen || (cp1 - cp2 <= 0)) && ckWARN(WARN_INTERNAL)) {
+ warner(WARN_INTERNAL,"Ill-formed message in prime_env_iter: |%s|",buf);
continue;
}
- else { MUTEX_UNLOCK(&primenv_mutex); _ckvmssts(vaxc$errno); }
+ /* Skip "" surrounding translation */
+ PERL_HASH(hash,key,keylen);
+ hv_store(envhv,key,keylen,newSVpv(cp2+1,cp1 - cp2 - 1),hash);
+ hv_store(seenhv,key,keylen,&PL_sv_yes,hash);
}
- else {
- eqvsv = newSVpv(eqv,eqvlen);
- hv_store(envhv,start,(end ? end - start : strlen(start)),eqvsv,0);
+ if (cmddsc.dsc$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$dassgn(chan));
+ if (buf) Safefree(buf);
+ if (seenhv) SvREFCNT_dec(seenhv);
+ MUTEX_UNLOCK(&primenv_mutex);
+ return;
+
} /* end of prime_env_iter */
/*}}}*/
-
-/*{{{ void my_setenv(char *lnm, char *eqv)*/
-void
-my_setenv(char *lnm,char *eqv)
-/* Define a supervisor-mode logical name in the process table.
- * In the future we'll add tables, attribs, and acmodes,
- * probably through a different call.
+
+/*{{{ int vmssetenv(char *lnm, char *eqv)*/
+/* Define or delete an element in the same "environment" as
+ * vmstrnenv(). If an element is to be deleted, it's removed from
+ * the first place it's found. If it's to be set, it's set in the
+ * place designated by the first element of the table vector.
+ * Like setenv() returns 0 for success, non-zero on error.
*/
+int
+vmssetenv(char *lnm, char *eqv, struct dsc$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");
+ $DESCRIPTOR(local,"_LOCAL");
+
+ for (cp1 = lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
+ *cp2 = _toupper(*cp1);
+ if (cp1 - lnm > LNM$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$_NOLOGNAM;
+#else
+ if (ckWARN(WARN_INTERNAL))
+ warner(WARN_INTERNAL,"This Perl can't reset CRTL environ elements (%s)",lnm);
+ ivenv = 1; retsts = SS$_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$errno : 0;
+#else
+ if (ckWARN(WARN_INTERNAL))
+ warner(WARN_INTERNAL,"This Perl can't set CRTL environ elements (%s=%s)",lnm,eqv);
+ retsts = SS$_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$w_length = 1;
+ retsts = lib$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$a_pointer = eqv;
-
- _ckvmssts(lib$set_logical(&lnmdsc,&eqvdsc,&tabdsc,0,0));
+ /* 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 my_setenv() */
+} /* 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
+my_setenv(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()
static $DESCRIPTOR(nl_desc, "NL:");
static int waitpid_asleep = 0;
+/* Send an EOF to a mbx. N.B. We don't check that fp actually points
+ * to a mbx; that's the caller's responsibility.
+ */
+static unsigned long int
+pipe_eof(FILE *fp)
+{
+ char devnam[NAM$C_MAXRSS+1], *cp;
+ unsigned long int chan, iosb[2], retsts, retsts2;
+ struct dsc$descriptor devdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, devnam};
+
+ if (fgetname(fp,devnam,1)) {
+ /* It oughta be a mailbox, so fgetname should give just the device
+ * name, but just in case . . . */
+ if ((cp = strrchr(devnam,':')) != NULL) *(cp+1) = '\0';
+ devdsc.dsc$w_length = strlen(devnam);
+ _ckvmssts(sys$assign(&devdsc,&chan,0,0));
+ retsts = sys$qiow(0,chan,IO$_WRITEOF,iosb,0,0,0,0,0,0,0,0);
+ if (retsts & 1) retsts = iosb[0];
+ retsts2 = sys$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;
+}
+
static unsigned long int
pipe_exit_routine()
{
+ struct pipe_details *info;
unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT;
- int sts;
-
- while (open_pipes != NULL) {
- if (!open_pipes->done) { /* Tap them gently on the shoulder . . .*/
- _ckvmssts(sys$forcex(&open_pipes->pid,0,&abort));
- sleep(1);
+ int sts, did_stuff;
+
+ /*
+ first we try sending an EOF...ignore if doesn't work, make sure we
+ don't hang
+ */
+ did_stuff = 0;
+ info = open_pipes;
+
+ while (info) {
+ if (info->mode != 'r' && !info->done) {
+ if (pipe_eof(info->fp) & 1) did_stuff = 1;
+ }
+ info = info->next;
+ }
+ if (did_stuff) sleep(1); /* wait for EOF to have an effect */
+
+ did_stuff = 0;
+ info = open_pipes;
+ while (info) {
+ if (!info->done) { /* Tap them gently on the shoulder . . .*/
+ sts = sys$forcex(&info->pid,0,&abort);
+ if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts);
+ did_stuff = 1;
}
- if (!open_pipes->done) /* We tried to be nice . . . */
- _ckvmssts(sys$delprc(&open_pipes->pid,0));
+ info = info->next;
+ }
+ if (did_stuff) sleep(1); /* wait for them to respond */
+
+ info = open_pipes;
+ while (info) {
+ 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 */
+ }
+ info = info->next;
+ }
+
+ while(open_pipes) {
if ((sts = my_pclose(open_pipes->fp)) == -1) retsts = vaxc$errno;
else if (!(sts & 1)) retsts = sts;
}
{
TAINT_ENV();
TAINT_PROPER("popen");
+ PERL_FLUSHALL_FOR_CHILD;
return safe_popen(cmd,mode);
}
/* If we were writing to a subprocess, insure that someone reading from
* the mailbox gets an EOF. It looks like a simple fclose() doesn't
* produce an EOF record in the mailbox. */
- if (info->mode != 'r') {
- char devnam[NAM$C_MAXRSS+1], *cp;
- unsigned long int chan, iosb[2], retsts, retsts2;
- struct dsc$descriptor devdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, devnam};
-
- if (fgetname(info->fp,devnam,1)) {
- /* It oughta be a mailbox, so fgetname should give just the device
- * name, but just in case . . . */
- if ((cp = strrchr(devnam,':')) != NULL) *(cp+1) = '\0';
- devdsc.dsc$w_length = strlen(devnam);
- _ckvmssts(sys$assign(&devdsc,&chan,0,0));
- retsts = sys$qiow(0,chan,IO$_WRITEOF,iosb,0,0,0,0,0,0,0,0);
- if (retsts & 1) retsts = iosb[0];
- retsts2 = sys$dassgn(chan); /* Be sure to deassign the channel */
- if (retsts & 1) retsts = retsts2;
- _ckvmssts(retsts);
- }
- else _ckvmssts(vaxc$errno); /* Should never happen */
- }
+ if (info->mode != 'r' && !info->done) pipe_eof(info->fp);
PerlIO_close(info->fp);
if (info->done) retsts = info->completion;
unsigned long int ownercode = JPI$_OWNER, ownerpid, mypid;
unsigned long int interval[2],sts;
- if (PL_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 %x not a child",pid);
+ warner(WARN_EXEC,"pid %x not a child",pid);
}
_ckvmssts(sys$bintim(&intdsc,interval));
struct FAB myfab = cc$rms_fab;
struct NAM mynam = cc$rms_nam;
STRLEN speclen;
- unsigned long int retsts, haslower = 0, isunix = 0;
+ unsigned long int retsts, trimver, trimtype, haslower = 0, isunix = 0;
if (!filespec || !*filespec) {
set_vaxc_errno(LIB$_INVARG); set_errno(EINVAL);
if (islower(*out)) { haslower = 1; break; }
if (mynam.nam$b_rsl) { out = outbuf; speclen = mynam.nam$b_rsl; }
else { out = esa; speclen = mynam.nam$b_esl; }
- if (!(mynam.nam$l_fnb & NAM$M_EXP_VER) &&
- (!defspec || !*defspec || !strchr(myfab.fab$l_dna,';')))
- speclen = mynam.nam$l_ver - out;
- if (!(mynam.nam$l_fnb & NAM$M_EXP_TYPE) &&
- (!defspec || !*defspec || defspec[myfab.fab$b_dns-1] != '.' ||
- defspec[myfab.fab$b_dns-2] == '.'))
- speclen = mynam.nam$l_type - out;
+ /* 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$l_type &&
while (*cp3 != ':' && *cp3) cp3++;
*(cp3++) = '\0';
if (strchr(cp3,']') != NULL) break;
- } while (((cp3 = my_getenv(tmp)) != NULL) && strcpy(tmp,cp3));
+ } while (vmstrnenv(tmp,tmp,0,fildev,0));
if (ts && !buf &&
((devlen = strlen(tmp)) + (dirlen = strlen(cp2)) + 1 > retlen)) {
retlen = devlen + dirlen;
char *had_version;
char *had_device;
int had_directory;
-char *devdir;
+char *devdir,*cp;
char vmsspec[NAM$C_MAXRSS+1];
$DESCRIPTOR(filespec, "");
$DESCRIPTOR(defaultspec, "SYS$DISK:[]");
$DESCRIPTOR(resultspec, "");
unsigned long int zero = 0, sts;
- if (strcspn(item, "*%") == strlen(item) || strchr(item,' ') != NULL)
+ for (cp = item; *cp; cp++) {
+ if (*cp == '*' || *cp == '%' || isspace(*cp)) break;
+ if (*cp == '.' && *(cp-1) == '.' && *(cp-2) =='.') break;
+ }
+ if (!*cp || isspace(*cp))
{
add_item(head, tail, item, count);
return;
void
vms_image_init(int *argcp, char ***argvp)
{
- unsigned long int *mask, iosb[2], i, rlst[128], rsz, add_taint = FALSE;
+ char eqv[LNM$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$descriptor_s **tabvec;
struct itmlst_3 jpilist[4] = { {sizeof iprv, JPI$_IMAGPRIV, iprv, &dummy},
{sizeof rlst, JPI$_RIGHTSLIST, rlst, &rlen},
{ sizeof rsz, JPI$_RIGHTS_SIZE, &rsz, &dummy},
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. */
- add_taint = TRUE;
+ will_taint = TRUE;
break;
}
}
/* Rights identifiers might trigger tainting as well. */
- if (!add_taint && (rlen || rsz)) {
+ 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 $GETJPI wants (rsz is size in bytes that
*/
for (i = 1; i < (rlen + sizeof(unsigned long int) - 1) / sizeof(unsigned long int); i += 2) {
if (mask[i] & KGB$M_SUBSYSTEM) {
- add_taint = TRUE;
+ will_taint = TRUE;
break;
}
}
* since its tainting flag may be part of the PL_curinterp struct, which
* hasn't been allocated when vms_image_init() is called.
*/
- if (add_taint) {
+ if (will_taint) {
char ***newap;
New(1320,newap,*argcp+2,char **);
newap[0] = argvp[0];
*/
*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)
{
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. */
* 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.
*/
else *PL_Cmd = '\0';
while (++mark <= sp) {
if (*mark) {
- strcat(PL_Cmd," ");
- strcat(PL_Cmd,SvPVx(*mark,n_a));
+ char *s = SvPVx(*mark,n_a);
+ if (!*s) continue;
+ if (*PL_Cmd) strcat(PL_Cmd," ");
+ strcat(PL_Cmd,s);
}
}
return PL_Cmd;
$DESCRIPTOR(defdsc,".EXE");
$DESCRIPTOR(resdsc,resspec);
struct dsc$descriptor_s imgdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
- unsigned long int cxt = 0, flags = 1, retsts;
+ unsigned long int cxt = 0, flags = 1, retsts = SS$_NORMAL;
register char *s, *rest, *cp;
register int isdcl = 0;
}
}
else isdcl = 1;
- if (isdcl) { /* It's a DCL command, just do it. */
- VMScmd.dsc$w_length = strlen(cmd);
- if (cmd == PL_Cmd) {
- VMScmd.dsc$a_pointer = PL_Cmd;
- PL_Cmd = Nullch; /* Don't try to free twice in vms_execfree() */
- }
- else VMScmd.dsc$a_pointer = savepvn(cmd,VMScmd.dsc$w_length);
- }
- else { /* assume first token is an image spec */
+ if (!isdcl) {
cmd = s;
while (*s && !isspace(*s)) s++;
rest = *s ? s : 0;
imgdsc.dsc$a_pointer = cmd;
imgdsc.dsc$w_length = s - cmd;
retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc,0,0,&flags);
- if (!(retsts & 1)) {
- /* just hand off status values likely to be due to user error */
- if (retsts == RMS$_FNF || retsts == RMS$_DNF ||
- retsts == RMS$_DEV || retsts == RMS$_DIR || retsts == RMS$_SYN ||
- (retsts & STS$M_CODE) == (SHR$_NOWILD & STS$M_CODE)) return retsts;
- else { _ckvmssts(retsts); }
- }
- else {
+ if (retsts & 1) {
_ckvmssts(lib$find_file_end(&cxt));
s = resspec;
while (*s && !isspace(*s)) s++;
*s = '\0';
- if (!cando_by_name(S_IXUSR,0,resspec)) return RMS$_PRV;
- New(402,VMScmd.dsc$a_pointer,7 + s - resspec + (rest ? strlen(rest) : 0),char);
- strcpy(VMScmd.dsc$a_pointer,"$ MCR ");
- strcat(VMScmd.dsc$a_pointer,resspec);
- if (rest) strcat(VMScmd.dsc$a_pointer,rest);
- VMScmd.dsc$w_length = strlen(VMScmd.dsc$a_pointer);
+ if (cando_by_name(S_IXUSR,0,resspec)) {
+ New(402,VMScmd.dsc$a_pointer,7 + s - resspec + (rest ? strlen(rest) : 0),char);
+ strcpy(VMScmd.dsc$a_pointer,"$ MCR ");
+ strcat(VMScmd.dsc$a_pointer,resspec);
+ if (rest) strcat(VMScmd.dsc$a_pointer,rest);
+ VMScmd.dsc$w_length = strlen(VMScmd.dsc$a_pointer);
+ 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$a_pointer = PL_Cmd;
+ PL_Cmd = Nullch; /* Don't try to free twice in vms_execfree() */
+ }
+ else VMScmd.dsc$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 : SS$_NORMAL);
+ return (VMScmd.dsc$w_length > 255 ? CLI$_BUFOVF : retsts);
} /* end of setup_cmddsc() */
set_errno(EVMSERR);
}
set_vaxc_errno(retsts);
- if (PL_dowarn)
- warn("Can't exec \"%s\": %s", VMScmd.dsc$a_pointer, Strerror(errno));
+ if (ckWARN(WARN_EXEC)) {
+ warner(WARN_EXEC,"Can't exec \"%*s\": %s",
+ VMScmd.dsc$w_length, VMScmd.dsc$a_pointer, Strerror(errno));
+ }
vms_execfree();
}
set_errno(EVMSERR);
}
set_vaxc_errno(sts);
- if (PL_dowarn)
- warn("Can't spawn \"%s\": %s",
- hadcmd ? VMScmd.dsc$a_pointer : "", Strerror(errno));
+ if (ckWARN(WARN_EXEC)) {
+ warner(WARN_EXEC,"Can't spawn \"%*s\": %s",
+ hadcmd ? VMScmd.dsc$w_length : 0,
+ hadcmd ? VMScmd.dsc$a_pointer : "",
+ Strerror(errno));
+ }
}
vms_execfree();
return substs;
gmtime_emulation_type++;
if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */
- char *off;
+ char off[LNM$C_NAMLENGTH+1];;
gmtime_emulation_type++;
- if ((off = my_getenv("SYS$TIMEZONE_DIFFERENTIAL")) == NULL) {
+ if (!vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
gmtime_emulation_type++;
warn("no UTC offset information; assuming local time is UTC");
}
} /* end of flex_stat() */
/*}}}*/
-/* Insures that no carriage-control translation will be done on a file. */
-/*{{{FILE *my_binmode(FILE *fp, char iotype)*/
-FILE *
-my_binmode(FILE *fp, char iotype)
-{
- char filespec[NAM$C_MAXRSS], *acmode, *s, *colon, *dirend = Nullch;
- int ret = 0, saverrno = errno, savevmserrno = vaxc$errno;
- fpos_t pos;
-
- if (!fgetname(fp,filespec,1)) return NULL;
- for (s = filespec; *s; s++) {
- if (*s == ':') colon = s;
- else if (*s == ']' || *s == '>') dirend = s;
- }
- /* Looks like a tmpfile, which will go away if reopened */
- if (s == dirend + 3) return fp;
- /* If we've got a non-file-structured device, clip off the trailing
- * junk, and don't lose sleep if we can't get a stream position. */
- if (dirend == Nullch) *(colon+1) = '\0';
- if (iotype != '-'&& (ret = fgetpos(fp, &pos)) == -1 && dirend) return NULL;
- switch (iotype) {
- case '<': case 'r': acmode = "rb"; break;
- case '>': case 'w': case '|':
- /* use 'a' instead of 'w' to avoid creating new file;
- fsetpos below will take care of restoring file position */
- case 'a': acmode = "ab"; break;
- case '+': case 's': acmode = "rb+"; break;
- case '-': acmode = fileno(fp) ? "ab" : "rb"; break;
- /* iotype'll be null for the SYS$INPUT:/SYS$OUTPUT:/SYS$ERROR: files */
- /* since we didn't really open them and can't really */
- /* reopen them */
- case 0: return NULL; break;
- default:
- warn("Unrecognized iotype %x for %s in my_binmode",iotype, filespec);
- acmode = "rb+";
- }
- if (freopen(filespec,acmode,fp) == NULL) return NULL;
- if (iotype != '-' && ret != -1 && fsetpos(fp,&pos) == -1) return NULL;
- if (ret == -1) { set_errno(saverrno); set_vaxc_errno(savevmserrno); }
- return fp;
-} /* end of my_binmode() */
-/*}}}*/
-
/*{{{char *my_getlogin()*/
/* VMS cuserid == Unix getlogin, except calling sequence */
newXSproto("VMS::Filespec::candelete",candelete_fromperl,file,"$");
newXS("File::Copy::rmscopy",rmscopy_fromperl,file);
-#ifdef PRIME_ENV_AT_STARTUP
- prime_env_iter();
-#endif
-
return;
}
projects / p5sagit/p5-mst-13.2.git / blobdiff