/* perl.c
*
- * Copyright (c) 1987-1994 Larry Wall
+ * Copyright (c) 1987-1996 Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#endif
*/
-char rcsid[] = "perl.c\nPatch level: ###\n";
+dEXT char rcsid[] = "perl.c\nPatch level: ###\n";
#ifdef IAMSUID
#ifndef DOSUID
static void init_predump_symbols _((void));
static void init_stacks _((void));
static void open_script _((char *, bool, SV *));
-static void validate_suid _((char *));
+static void usage _((char *));
+static void validate_suid _((char *, char*));
+
+static int fdscript = -1;
PerlInterpreter *
perl_alloc()
SvNV(&sv_yes);
SvREADONLY_on(&sv_yes);
+ nrs = newSVpv("\n", 1);
+ rs = SvREFCNT_inc(nrs);
+
#ifdef MSDOS
/*
* There is no way we can refer to them from Perl so close them to save
chopset = " \n-";
copline = NOLINE;
curcop = &compiling;
+ dbargs = 0;
dlmax = 128;
laststatval = -1;
laststype = OP_STAT;
maxscream = -1;
maxsysfd = MAXSYSFD;
- nrs = "\n";
- nrschar = '\n';
- nrslen = 1;
- rs = "\n";
- rschar = '\n';
rsfp = Nullfp;
- rslen = 1;
statname = Nullsv;
tmps_floor = -1;
#endif
init_ids();
+
+#if defined(SUBVERSION) && SUBVERSION > 0
+ sprintf(patchlevel, "%7.5f", 5.0 + (PATCHLEVEL / 1000.0)
+ + (SUBVERSION / 100000.0));
+#else
sprintf(patchlevel, "%5.3f", 5.0 + (PATCHLEVEL / 1000.0));
+#endif
+
+#if defined(LOCAL_PATCH_COUNT)
+ Ilocalpatches = local_patches; /* For possible -v */
+#endif
fdpid = newAV(); /* for remembering popen pids by fd */
pidstatus = newHV();/* for remembering status of dead pids */
return;
destruct_level = perl_destruct_level;
+#ifdef DEBUGGING
+ {
+ char *s;
+ if (s = getenv("PERL_DESTRUCT_LEVEL"))
+ destruct_level = atoi(s);
+ }
+#endif
+
LEAVE;
FREETMPS;
}
if (sv_count != 0)
warn("Scalars leaked: %d\n", sv_count);
+ sv_free_arenas();
DEBUG_P(debprofdump());
}
{
register SV *sv;
register char *s;
- char *scriptname;
+ char *scriptname = NULL;
VOL bool dosearch = FALSE;
char *validarg = "";
AV* comppadlist;
#ifndef VMS /* VMS doesn't have environ array */
origenviron = environ;
#endif
+ e_tmpname = Nullch;
if (do_undump) {
op_free(main_root);
main_root = 0;
- switch (setjmp(top_env)) {
+ switch (Sigsetjmp(top_env,1)) {
case 1:
#ifdef VMS
statusvalue = 255;
case 'c':
case 'd':
case 'D':
+ case 'h':
case 'i':
case 'l':
+ case 'M':
+ case 'm':
case 'n':
case 'p':
case 's':
dosearch = TRUE;
s++;
goto reswitch;
+ case 'V':
+ if (!preambleav)
+ preambleav = newAV();
+ av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0));
+ if (*++s != ':') {
+ Sv = newSVpv("print myconfig(),'@INC: '.\"@INC\\n\"",0);
+ }
+ else {
+ Sv = newSVpv("config_vars(qw(",0);
+ sv_catpv(Sv, ++s);
+ sv_catpv(Sv, "))");
+ s += strlen(s);
+ }
+ av_push(preambleav, Sv);
+ scriptname = BIT_BUCKET; /* don't look for script or read stdin */
+ goto reswitch;
case 'x':
doextract = TRUE;
s++;
}
}
switch_end:
- scriptname = argv[0];
+ if (!scriptname)
+ scriptname = argv[0];
if (e_fp) {
- if (fflush(e_fp) || ferror(e_fp) || fclose(e_fp))
+ if (Fflush(e_fp) || ferror(e_fp) || fclose(e_fp))
croak("Can't write to temp file for -e: %s", Strerror(errno));
+ e_fp = Nullfp;
argc++,argv--;
scriptname = e_tmpname;
}
open_script(scriptname,dosearch,sv);
- validate_suid(validarg);
+ validate_suid(validarg, scriptname);
if (doextract)
find_beginning();
comppadlist = newAV();
AvREAL_off(comppadlist);
- av_store(comppadlist, 0, SvREFCNT_inc((SV*)comppad_name));
- av_store(comppadlist, 1, SvREFCNT_inc((SV*)comppad));
+ av_store(comppadlist, 0, (SV*)comppad_name);
+ av_store(comppadlist, 1, (SV*)comppad);
CvPADLIST(compcv) = comppadlist;
if (xsinit)
curcop->cop_line = 0;
curstash = defstash;
preprocess = FALSE;
- if (e_fp) {
- e_fp = Nullfp;
+ if (e_tmpname) {
(void)UNLINK(e_tmpname);
+ Safefree(e_tmpname);
+ e_tmpname = Nullch;
}
/* now that script is parsed, we can modify record separator */
-
- rs = nrs;
- rslen = nrslen;
- rschar = nrschar;
- rspara = (nrslen == 2);
- sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs, rslen);
+ SvREFCNT_dec(rs);
+ rs = SvREFCNT_inc(nrs);
+ sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs);
if (do_undump)
my_unexec();
LEAVE;
FREETMPS;
+
+#ifdef DEBUGGING_MSTATS
+ if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
+ dump_mstats("after compilation:");
+#endif
+
ENTER;
restartop = 0;
return 0;
{
if (!(curinterp = sv_interp))
return 255;
- switch (setjmp(top_env)) {
+ switch (Sigsetjmp(top_env,1)) {
case 1:
cxstack_ix = -1; /* start context stack again */
break;
if (endav)
calllist(endav);
FREETMPS;
+#ifdef DEBUGGING_MSTATS
+ if (getenv("PERL_DEBUG_MSTATS"))
+ dump_mstats("after execution: ");
+#endif
return(statusvalue); /* my_exit() was called */
case 3:
if (!restartop) {
my_exit(0);
}
if (perldb && DBsingle)
- sv_setiv(DBsingle, 1);
+ sv_setiv(DBsingle, 1);
+ if (restartav)
+ calllist(restartav);
}
/* do it */
if (restartop) {
op = restartop;
restartop = 0;
- run();
+ runops();
}
else if (main_start) {
op = main_start;
- run();
+ runops();
}
my_exit(0);
POPBLOCK(cx,curpm);
LEAVE;
}
- longjmp(top_env, 2);
+ Siglongjmp(top_env, 2);
}
SV*
if (create && !GvCV(gv))
return newSUB(start_subparse(),
newSVOP(OP_CONST, 0, newSVpv(name,0)),
+ Nullop,
Nullop);
if (gv)
return GvCV(gv);
SV** sp = stack_sp;
I32 oldmark = TOPMARK;
I32 retval;
- jmp_buf oldtop;
+ Sigjmp_buf oldtop;
I32 oldscope;
if (flags & G_DISCARD) {
myop.op_flags |= OPf_LIST;
if (flags & G_EVAL) {
- Copy(top_env, oldtop, 1, jmp_buf);
+ Copy(top_env, oldtop, 1, Sigjmp_buf);
cLOGOP->op_other = op;
markstack_ptr--;
- pp_entertry();
+ /* we're trying to emulate pp_entertry() here */
+ {
+ register CONTEXT *cx;
+ I32 gimme = GIMME;
+
+ ENTER;
+ SAVETMPS;
+
+ push_return(op->op_next);
+ PUSHBLOCK(cx, CXt_EVAL, stack_sp);
+ PUSHEVAL(cx, 0, 0);
+ eval_root = op; /* Only needed so that goto works right. */
+
+ in_eval = 1;
+ if (flags & G_KEEPERR)
+ in_eval |= 4;
+ else
+ sv_setpv(GvSV(errgv),"");
+ }
markstack_ptr++;
restart:
- switch (setjmp(top_env)) {
+ switch (Sigsetjmp(top_env,1)) {
case 0:
break;
case 1:
/* my_exit() was called */
curstash = defstash;
FREETMPS;
- Copy(oldtop, top_env, 1, jmp_buf);
+ Copy(oldtop, top_env, 1, Sigjmp_buf);
if (statusvalue)
croak("Callback called exit");
my_exit(statusvalue);
if (op == (OP*)&myop)
op = pp_entersub();
if (op)
- run();
+ runops();
retval = stack_sp - (stack_base + oldmark);
- if (flags & G_EVAL)
- sv_setpv(GvSV(gv_fetchpv("@",TRUE, SVt_PV)),"");
+ if ((flags & G_EVAL) && !(flags & G_KEEPERR))
+ sv_setpv(GvSV(errgv),"");
cleanup:
if (flags & G_EVAL) {
curpm = newpm;
LEAVE;
}
- Copy(oldtop, top_env, 1, jmp_buf);
+ Copy(oldtop, top_env, 1, Sigjmp_buf);
}
if (flags & G_DISCARD) {
stack_sp = stack_base + oldmark;
return retval;
}
-/* Older forms, here grandfathered. */
-
-#ifdef DEPRECATED
-I32
-perl_callargv(subname, spix, gimme, argv)
-char *subname;
-register I32 spix; /* current stack pointer index */
-I32 gimme; /* See G_* flags in cop.h */
-register char **argv; /* null terminated arg list, NULL for no arglist */
-{
- stack_sp = stack_base + spix;
- return spix + perl_call_argv(subname, gimme, argv);
-}
+/* Eval a string. */
I32
-perl_callpv(subname, spix, gimme, hasargs, numargs)
-char *subname;
-I32 spix; /* stack pointer index after args are pushed */
-I32 gimme; /* See G_* flags in cop.h */
-I32 hasargs; /* whether to create a @_ array for routine */
-I32 numargs; /* how many args are pushed on the stack */
-{
- stack_sp = stack_base + spix;
- PUSHMARK(stack_sp - numargs);
- return spix - numargs + perl_call_sv((SV*)perl_get_cv(subname, TRUE),
- gimme, hasargs, numargs);
-}
-
-I32
-perl_callsv(sv, spix, gimme, hasargs, numargs)
+perl_eval_sv(sv, flags)
SV* sv;
-I32 spix; /* stack pointer index after args are pushed */
-I32 gimme; /* See G_* flags in cop.h */
-I32 hasargs; /* whether to create a @_ array for routine */
-I32 numargs; /* how many args are pushed on the stack */
-{
- stack_sp = stack_base + spix;
- PUSHMARK(stack_sp - numargs);
- return spix - numargs + perl_call_sv(sv, gimme, hasargs, numargs);
-}
-#endif
-
-/* Require a module. */
-
-void
-perl_requirepv(pv)
-char* pv;
+I32 flags; /* See G_* flags in cop.h */
{
UNOP myop; /* fake syntax tree node */
- SV* sv;
- dSP;
+ SV** sp = stack_sp;
+ I32 oldmark = sp - stack_base;
+ I32 retval;
+ Sigjmp_buf oldtop;
+ I32 oldscope;
- ENTER;
- SAVETMPS;
+ if (flags & G_DISCARD) {
+ ENTER;
+ SAVETMPS;
+ }
+
SAVESPTR(op);
- sv = sv_newmortal();
- sv_setpv(sv, pv);
op = (OP*)&myop;
Zero(op, 1, UNOP);
- XPUSHs(sv);
+ EXTEND(stack_sp, 1);
+ *++stack_sp = sv;
+ oldscope = scopestack_ix;
- myop.op_type = OP_REQUIRE;
+ if (!(flags & G_NOARGS))
+ myop.op_flags = OPf_STACKED;
myop.op_next = Nullop;
- myop.op_private = 1;
- myop.op_flags = OPf_KNOW;
+ myop.op_flags |= OPf_KNOW;
+ if (flags & G_ARRAY)
+ myop.op_flags |= OPf_LIST;
- PUTBACK;
- if (op = pp_require())
- run();
- stack_sp--;
- FREETMPS;
- LEAVE;
+ Copy(top_env, oldtop, 1, Sigjmp_buf);
+
+restart:
+ switch (Sigsetjmp(top_env,1)) {
+ case 0:
+ break;
+ case 1:
+#ifdef VMS
+ statusvalue = 255; /* XXX I don't think we use 1 anymore. */
+#else
+ statusvalue = 1;
+#endif
+ /* FALL THROUGH */
+ case 2:
+ /* my_exit() was called */
+ curstash = defstash;
+ FREETMPS;
+ Copy(oldtop, top_env, 1, Sigjmp_buf);
+ if (statusvalue)
+ croak("Callback called exit");
+ my_exit(statusvalue);
+ /* NOTREACHED */
+ case 3:
+ if (restartop) {
+ op = restartop;
+ restartop = 0;
+ goto restart;
+ }
+ stack_sp = stack_base + oldmark;
+ if (flags & G_ARRAY)
+ retval = 0;
+ else {
+ retval = 1;
+ *++stack_sp = &sv_undef;
+ }
+ goto cleanup;
+ }
+
+ if (op == (OP*)&myop)
+ op = pp_entereval();
+ if (op)
+ runops();
+ retval = stack_sp - (stack_base + oldmark);
+ if ((flags & G_EVAL) && !(flags & G_KEEPERR))
+ sv_setpv(GvSV(errgv),"");
+
+ cleanup:
+ Copy(oldtop, top_env, 1, Sigjmp_buf);
+ if (flags & G_DISCARD) {
+ stack_sp = stack_base + oldmark;
+ retval = 0;
+ FREETMPS;
+ LEAVE;
+ }
+ return retval;
+}
+
+/* Require a module. */
+
+void
+perl_require_pv(pv)
+char* pv;
+{
+ SV* sv = sv_newmortal();
+ sv_setpv(sv, "require '");
+ sv_catpv(sv, pv);
+ sv_catpv(sv, "'");
+ perl_eval_sv(sv, G_DISCARD);
}
void
}
}
+static void
+usage(name) /* XXX move this out into a module ? */
+char *name;
+{
+ /* This message really ought to be max 23 lines.
+ * Removed -h because the user already knows that opton. Others? */
+ printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name);
+ printf("\n -0[octal] specify record separator (\\0, if no argument)");
+ printf("\n -a autosplit mode with -n or -p (splits $_ into @F)");
+ printf("\n -c check syntax only (runs BEGIN and END blocks)");
+ printf("\n -d[:debugger] run scripts under debugger");
+ printf("\n -D[number/list] set debugging flags (argument is a bit mask or flags)");
+ printf("\n -e 'command' one line of script. Several -e's allowed. Omit [programfile].");
+ printf("\n -F/pattern/ split() pattern for autosplit (-a). The //'s are optional.");
+ printf("\n -i[extension] edit <> files in place (make backup if extension supplied)");
+ printf("\n -Idirectory specify @INC/#include directory (may be used more then once)");
+ printf("\n -l[octal] enable line ending processing, specifies line teminator");
+ printf("\n -[mM][-]module.. executes `use/no module...' before executing your script.");
+ printf("\n -n assume 'while (<>) { ... }' loop arround your script");
+ printf("\n -p assume loop like -n but print line also like sed");
+ printf("\n -P run script through C preprocessor before compilation");
+#ifdef OS2
+ printf("\n -R enable REXX variable pool");
+#endif
+ printf("\n -s enable some switch parsing for switches after script name");
+ printf("\n -S look for the script using PATH environment variable");
+ printf("\n -T turn on tainting checks");
+ printf("\n -u dump core after parsing script");
+ printf("\n -U allow unsafe operations");
+ printf("\n -v print version number and patchlevel of perl");
+ printf("\n -V[:variable] print perl configuration information");
+ printf("\n -w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT.");
+ printf("\n -x[directory] strip off text before #!perl line and perhaps cd to directory\n");
+}
+
/* This routine handles any switches that can be given during run */
char *
char *s;
{
I32 numlen;
+ U32 rschar;
switch (*s) {
case '0':
- nrschar = scan_oct(s, 4, &numlen);
- nrs = savepvn("\n",1);
- *nrs = nrschar;
- if (nrschar > 0377) {
- nrslen = 0;
- nrs = "";
- }
- else if (!nrschar && numlen >= 2) {
- nrslen = 2;
- nrs = "\n\n";
- nrschar = '\n';
+ rschar = scan_oct(s, 4, &numlen);
+ SvREFCNT_dec(nrs);
+ if (rschar & ~((U8)~0))
+ nrs = &sv_undef;
+ else if (!rschar && numlen >= 2)
+ nrs = newSVpv("", 0);
+ else {
+ char ch = rschar;
+ nrs = newSVpv(&ch, 1);
}
return s + numlen;
case 'F':
return s;
case 'd':
taint_not("-d");
+ s++;
+ if (*s == ':' || *s == '=') {
+ sprintf(buf, "use Devel::%s;", ++s);
+ s += strlen(s);
+ my_setenv("PERL5DB",buf);
+ }
if (!perldb) {
perldb = TRUE;
init_debugger();
}
- s++;
return s;
case 'D':
#ifdef DEBUGGING
#endif
/*SUPPRESS 530*/
return s;
+ case 'h':
+ usage(origargv[0]);
+ exit(0);
case 'i':
if (inplace)
Safefree(inplace);
s += numlen;
}
else {
- ors = savepvn(nrs,nrslen);
- orslen = nrslen;
+ if (RsPARA(nrs)) {
+ ors = savepvn("\n\n", 2);
+ orslen = 2;
+ }
+ else
+ ors = SvPV(nrs, orslen);
+ }
+ return s;
+ case 'M':
+ taint_not("-M"); /* XXX ? */
+ /* FALL THROUGH */
+ case 'm':
+ taint_not("-m"); /* XXX ? */
+ if (*++s) {
+ char *start;
+ char *use = "use ";
+ /* -M-foo == 'no foo' */
+ if (*s == '-') { use = "no "; ++s; }
+ Sv = newSVpv(use,0);
+ start = s;
+ /* We allow -M'Module qw(Foo Bar)' */
+ while(isALNUM(*s) || *s==':') ++s;
+ if (*s != '=') {
+ sv_catpv(Sv, start);
+ if (*(start-1) == 'm') {
+ if (*s != '\0')
+ croak("Can't use '%c' after -mname", *s);
+ sv_catpv( Sv, " ()");
+ }
+ } else {
+ sv_catpvn(Sv, start, s-start);
+ sv_catpv(Sv, " split(/,/,q{");
+ sv_catpv(Sv, ++s);
+ sv_catpv(Sv, "})");
+ }
+ s += strlen(s);
+ if (preambleav == NULL)
+ preambleav = newAV();
+ av_push(preambleav, Sv);
}
+ else
+ croak("No space allowed after -%c", *(s-1));
return s;
case 'n':
minus_n = TRUE;
s++;
return s;
case 'v':
- printf("\nThis is perl, version %s\n\n",patchlevel);
- fputs("\nCopyright 1987-1994, Larry Wall\n",stdout);
+#if defined(SUBVERSION) && SUBVERSION > 0
+ printf("\nThis is perl, version 5.%03d_%02d", PATCHLEVEL, SUBVERSION);
+#else
+ printf("\nThis is perl, version %s",patchlevel);
+#endif
+
+#if defined(DEBUGGING) || defined(EMBED) || defined(MULTIPLICITY)
+ fputs(" with", stdout);
+#ifdef DEBUGGING
+ fputs(" DEBUGGING", stdout);
+#endif
+#ifdef EMBED
+ fputs(" EMBED", stdout);
+#endif
+#ifdef MULTIPLICITY
+ fputs(" MULTIPLICITY", stdout);
+#endif
+#endif
+
+#if defined(LOCAL_PATCH_COUNT)
+ if (LOCAL_PATCH_COUNT > 0)
+ { int i;
+ fputs("\n\tLocally applied patches:\n", stdout);
+ for (i = 1; i <= LOCAL_PATCH_COUNT; i++) {
+ if (Ilocalpatches[i])
+ fprintf(stdout, "\t %s\n", Ilocalpatches[i]);
+ }
+ }
+#endif
+ printf("\n\tbuilt under %s",OSNAME);
+#ifdef __DATE__
+# ifdef __TIME__
+ printf(" at %s %s",__DATE__,__TIME__);
+# else
+ printf(" on %s",__DATE__);
+# endif
+#endif
+ fputs("\n\t+ suidperl security patch", stdout);
+ fputs("\n\nCopyright 1987-1996, Larry Wall\n",stdout);
#ifdef MSDOS
fputs("MS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n",
stdout);
-#ifdef OS2
- fputs("OS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n",
- stdout);
#endif
+#ifdef OS2
+ fputs("OS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n"
+ "Version 5 port Copyright (c) 1994-1995, Andreas Kaiser\n", stdout);
#endif
#ifdef atarist
- fputs("atariST series port, ++jrb bammi@cadence.com\n", stdout);
+ fputs("atariST series port, ++jrb bammi@cadence.com\n", stdout);
#endif
fputs("\n\
Perl may be copied only under the terms of either the Artistic License or the\n\
-GNU General Public License, which may be found in the Perl 5.0 source kit.\n",stdout);
+GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n",stdout);
#ifdef MSDOS
usage(origargv[0]);
#endif
fprintf(stderr, "unexec of %s into %s failed!\n", tokenbuf, buf);
exit(status);
#else
+# ifdef VMS
+# include <lib$routines.h>
+ lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */
+#else
ABORT(); /* for use with undump */
#endif
+#endif
}
static void
SvREADONLY_on(gv);
HvNAME(defstash) = savepv("main");
incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV)));
- SvMULTI_on(incgv);
+ GvMULTI_on(incgv);
defgv = gv_fetchpv("_",TRUE, SVt_PVAV);
+ errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV));
+ GvMULTI_on(errgv);
curstash = defstash;
compiling.cop_stash = defstash;
debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV));
+ /* We must init $/ before switches are processed. */
+ sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1);
}
#ifdef CAN_PROTOTYPE
char *xfailed = Nullch;
register char *s;
I32 len;
+ int retval;
+#if defined(DOSISH) && !defined(OS2) && !defined(atarist)
+#define SEARCH_EXTS ".bat", ".cmd", NULL
+#endif
+#ifdef VMS
+# define SEARCH_EXTS ".pl", ".com", NULL
+#endif
+ /* additional extensions to try in each dir if scriptname not found */
+#ifdef SEARCH_EXTS
+ char *ext[] = { SEARCH_EXTS };
+ int extidx = (strchr(scriptname,'.')) ? -1 : 0; /* has ext already */
+#endif
+#ifdef VMS
+ if (dosearch && !strpbrk(scriptname,":[</") && (my_getenv("DCL$PATH"))) {
+ int idx = 0;
+
+ while (my_trnlnm("DCL$PATH",tokenbuf,idx++)) {
+ strcat(tokenbuf,scriptname);
+#else /* !VMS */
if (dosearch && !strchr(scriptname, '/') && (s = getenv("PATH"))) {
bufend = s + strlen(s);
#endif
(void)strcat(tokenbuf+len,"/");
(void)strcat(tokenbuf+len,scriptname);
- DEBUG_p(fprintf(stderr,"Looking for %s\n",tokenbuf));
- if (Stat(tokenbuf,&statbuf) < 0) /* not there? */
+#endif /* !VMS */
+
+#ifdef SEARCH_EXTS
+ len = strlen(tokenbuf);
+ if (extidx > 0) /* reset after previous loop */
+ extidx = 0;
+ do {
+#endif
+ DEBUG_p(fprintf(stderr,"Looking for %s\n",tokenbuf));
+ retval = Stat(tokenbuf,&statbuf);
+#ifdef SEARCH_EXTS
+ } while ( retval < 0 /* not there */
+ && extidx>=0 && ext[extidx] /* try an extension? */
+ && strcpy(tokenbuf+len, ext[extidx++])
+ );
+#endif
+ if (retval < 0)
continue;
if (S_ISREG(statbuf.st_mode)
&& cando(S_IRUSR,TRUE,&statbuf) && cando(S_IXUSR,TRUE,&statbuf)) {
scriptname = xfound;
}
- origfilename = savepv(e_fp ? "-e" : scriptname);
+ if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) {
+ char *s = scriptname + 8;
+ fdscript = atoi(s);
+ while (isDIGIT(*s))
+ s++;
+ if (*s)
+ scriptname = s + 1;
+ }
+ else
+ fdscript = -1;
+ origfilename = savepv(e_tmpname ? "-e" : scriptname);
curcop->cop_filegv = gv_fetchfile(origfilename);
if (strEQ(origfilename,"-"))
scriptname = "";
- if (preprocess) {
+ if (fdscript >= 0) {
+ rsfp = fdopen(fdscript,"r");
+#if defined(HAS_FCNTL) && defined(F_SETFD)
+ fcntl(fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
+#endif
+ }
+ else if (preprocess) {
char *cpp = CPPSTDIN;
if (strEQ(cpp,"cppstdin"))
taint_not("program input from stdin");
rsfp = stdin;
}
- else
+ else {
rsfp = fopen(scriptname,"r");
+#if defined(HAS_FCNTL) && defined(F_SETFD)
+ fcntl(fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
+#endif
+ }
if ((FILE*)rsfp == Nullfp) {
#ifdef DOSUID
#ifndef IAMSUID /* in case script is not readable before setuid */
}
static void
-validate_suid(validarg)
+validate_suid(validarg, scriptname)
char *validarg;
+char *scriptname;
{
+ int which;
+
/* do we need to emulate setuid on scripts? */
/* This code is for those BSD systems that have setuid #! scripts disabled
if (Fstat(fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */
croak("Can't stat script \"%s\"",origfilename);
- if (statbuf.st_mode & (S_ISUID|S_ISGID)) {
+ if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) {
I32 len;
#ifdef IAMSUID
#ifdef IAMSUID
else if (preprocess)
croak("-P not allowed for setuid/setgid script\n");
+ else if (fdscript >= 0)
+ croak("fd script not allowed in suidperl\n");
else
croak("Script is not setuid/setgid in suidperl\n");
+
+ /* We absolutely must clear out any saved ids here, so we */
+ /* exec the real perl, substituting fd script for scriptname. */
+ /* (We pass script name as "subdir" of fd, which perl will grok.) */
+ rewind(rsfp);
+ for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ;
+ if (!origargv[which])
+ croak("Permission denied");
+ (void)sprintf(buf, "/dev/fd/%d/%.127s", fileno(rsfp), origargv[which]);
+ origargv[which] = buf;
+
+#if defined(HAS_FCNTL) && defined(F_SETFD)
+ fcntl(fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */
+#endif
+
+ (void)sprintf(tokenbuf, "%s/perl%s", BIN, patchlevel);
+ execv(tokenbuf, origargv); /* try again */
+ croak("Can't do setuid\n");
#endif /* IAMSUID */
#else /* !DOSUID */
if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */
uid |= gid << 16;
euid |= egid << 16;
#endif
- tainting |= (euid != uid || egid != gid);
+ tainting |= (uid && (euid != uid || egid != gid));
}
static void
DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV);
DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV));
DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV)));
+ sv_setiv(DBsingle, 0);
DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV)));
+ sv_setiv(DBtrace, 0);
DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV)));
+ sv_setiv(DBsignal, 0);
curstash = defstash;
}
retstack_ix = 0;
retstack_max = 16;
- New(50,cxstack,128,CONTEXT);
+ cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */
+ New(50,cxstack,cxstack_max + 1,CONTEXT);
cxstack_ix = -1;
- cxstack_max = 128;
New(50,tmps_stack,128,SV*);
tmps_ix = -1;
sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1);
stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO);
- SvMULTI_on(stdingv);
+ GvMULTI_on(stdingv);
IoIFP(GvIOp(stdingv)) = stdin;
tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV);
+ GvMULTI_on(tmpgv);
GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv));
- SvMULTI_on(tmpgv);
tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO);
- SvMULTI_on(tmpgv);
+ GvMULTI_on(tmpgv);
IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = stdout;
- defoutgv = tmpgv;
+ setdefout(tmpgv);
tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV);
+ GvMULTI_on(tmpgv);
GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv));
- SvMULTI_on(tmpgv);
othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO);
- SvMULTI_on(othergv);
+ GvMULTI_on(othergv);
IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = stderr;
tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV);
+ GvMULTI_on(tmpgv);
GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv));
- SvMULTI_on(tmpgv);
statname = NEWSV(66,0); /* last filename we did stat on */
+
+ osname = savepv(OSNAME);
}
static void
if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))
sv_setpv(GvSV(tmpgv),origargv[0]);
if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) {
- SvMULTI_on(argvgv);
+ GvMULTI_on(argvgv);
(void)gv_AVadd(argvgv);
av_clear(GvAVn(argvgv));
for (; argc > 0; argc--,argv++) {
}
if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) {
HV *hv;
- SvMULTI_on(envgv);
+ GvMULTI_on(envgv);
hv = GvHVn(envgv);
hv_clear(hv);
#ifndef VMS /* VMS doesn't have environ array */
+ /* Note that if the supplied env parameter is actually a copy
+ of the global environ then it may now point to free'd memory
+ if the environment has been modified since. To avoid this
+ problem we treat env==NULL as meaning 'use the default'
+ */
+ if (!env)
+ env = environ;
if (env != environ) {
environ[0] = Nullch;
hv_magic(hv, envgv, 'E');
}
-#endif
-#ifdef DYNAMIC_ENV_FETCH
- HvNAME(hv) = savepv(ENV_HV_NAME);
-#endif
for (; *env; env++) {
if (!(s = strchr(*env,'=')))
continue;
(void)hv_store(hv, *env, s - *env, sv, 0);
*s = '=';
}
+#endif
+#ifdef DYNAMIC_ENV_FETCH
+ HvNAME(hv) = savepv(ENV_HV_NAME);
+#endif
hv_magic(hv, envgv, 'E');
}
tainted = 0;
incpush(getenv("PERLLIB"));
}
+#ifdef APPLLIB_EXP
+ incpush(APPLLIB_EXP);
+#endif
+
#ifdef ARCHLIB_EXP
incpush(ARCHLIB_EXP);
#endif
#define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
#endif
incpush(PRIVLIB_EXP);
+
+#ifdef SITEARCH_EXP
+ incpush(SITEARCH_EXP);
+#endif
+#ifdef SITELIB_EXP
+ incpush(SITELIB_EXP);
+#endif
+#ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */
+ incpush(OLDARCHLIB_EXP);
+#endif
- av_push(GvAVn(incgv),newSVpv(".",1));
+ if (!tainting)
+ incpush(".");
}
void
calllist(list)
AV* list;
{
- jmp_buf oldtop;
+ Sigjmp_buf oldtop;
STRLEN len;
line_t oldline = curcop->cop_line;
- Copy(top_env, oldtop, 1, jmp_buf);
+ Copy(top_env, oldtop, 1, Sigjmp_buf);
while (AvFILL(list) >= 0) {
CV *cv = (CV*)av_shift(list);
SAVEFREESV(cv);
- switch (setjmp(top_env)) {
+ switch (Sigsetjmp(top_env,1)) {
case 0: {
- SV* atsv = GvSV(gv_fetchpv("@",TRUE, SVt_PV));
+ SV* atsv = GvSV(errgv);
PUSHMARK(stack_sp);
perl_call_sv((SV*)cv, G_EVAL|G_DISCARD);
(void)SvPV(atsv, len);
if (len) {
- Copy(oldtop, top_env, 1, jmp_buf);
+ Copy(oldtop, top_env, 1, Sigjmp_buf);
curcop = &compiling;
curcop->cop_line = oldline;
if (list == beginav)
if (endav)
calllist(endav);
FREETMPS;
- Copy(oldtop, top_env, 1, jmp_buf);
+ Copy(oldtop, top_env, 1, Sigjmp_buf);
curcop = &compiling;
curcop->cop_line = oldline;
if (statusvalue) {
FREETMPS;
break;
}
- Copy(oldtop, top_env, 1, jmp_buf);
+ Copy(oldtop, top_env, 1, Sigjmp_buf);
curcop = &compiling;
curcop->cop_line = oldline;
- longjmp(top_env, 3);
+ Siglongjmp(top_env, 3);
}
}
- Copy(oldtop, top_env, 1, jmp_buf);
+ Copy(oldtop, top_env, 1, Sigjmp_buf);
}
https://perl5.git.perl.org / perl5.git / blobdiff