/* perl.c
*
- * Copyright (c) 1987-2002 Larry Wall
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, 2003, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#include <unistd.h>
#endif
+#ifdef __BEOS__
+# define HZ 1000000
+#endif
+
+#ifndef HZ
+# ifdef CLK_TCK
+# define HZ CLK_TCK
+# else
+# define HZ 60
+# endif
+#endif
+
#if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO)
char *getenv (char *); /* Usually in <stdlib.h> */
#endif
#endif
#endif
-#if defined(USE_5005THREADS)
-# define INIT_TLS_AND_INTERP \
- STMT_START { \
- if (!PL_curinterp) { \
- PERL_SET_INTERP(my_perl); \
- INIT_THREADS; \
- ALLOC_THREAD_KEY; \
- } \
- } STMT_END
-#else
-# if defined(USE_ITHREADS)
+#if defined(USE_ITHREADS)
# define INIT_TLS_AND_INTERP \
STMT_START { \
if (!PL_curinterp) { \
ALLOC_THREAD_KEY; \
PERL_SET_THX(my_perl); \
OP_REFCNT_INIT; \
+ MUTEX_INIT(&PL_dollarzero_mutex); \
} \
else { \
PERL_SET_THX(my_perl); \
} \
} STMT_END
-# else
+#else
# define INIT_TLS_AND_INTERP \
STMT_START { \
if (!PL_curinterp) { \
PERL_SET_THX(my_perl); \
} STMT_END
# endif
-#endif
#ifdef PERL_IMPLICIT_SYS
PerlInterpreter *
void
perl_construct(pTHXx)
{
-#ifdef USE_5005THREADS
-#ifndef FAKE_THREADS
- struct perl_thread *thr = NULL;
-#endif /* FAKE_THREADS */
-#endif /* USE_5005THREADS */
-
#ifdef MULTIPLICITY
init_interp();
PL_perl_destruct_level = 1;
if (PL_perl_destruct_level > 0)
init_interp();
#endif
-
/* Init the real globals (and main thread)? */
if (!PL_linestr) {
-#ifdef USE_5005THREADS
- MUTEX_INIT(&PL_sv_mutex);
- /*
- * Safe to use basic SV functions from now on (though
- * not things like mortals or tainting yet).
- */
- MUTEX_INIT(&PL_eval_mutex);
- COND_INIT(&PL_eval_cond);
- MUTEX_INIT(&PL_threads_mutex);
- COND_INIT(&PL_nthreads_cond);
-# ifdef EMULATE_ATOMIC_REFCOUNTS
- MUTEX_INIT(&PL_svref_mutex);
-# endif /* EMULATE_ATOMIC_REFCOUNTS */
-
- MUTEX_INIT(&PL_cred_mutex);
- MUTEX_INIT(&PL_sv_lock_mutex);
- MUTEX_INIT(&PL_fdpid_mutex);
-
- thr = init_main_thread();
-#endif /* USE_5005THREADS */
-
#ifdef PERL_FLEXIBLE_EXCEPTIONS
PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */
#endif
SvNV(&PL_sv_yes);
SvREADONLY_on(&PL_sv_yes);
SvREFCNT(&PL_sv_yes) = (~(U32)0)/2;
+
+ SvREADONLY_on(&PL_sv_placeholder);
+ SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2;
}
PL_sighandlerp = Perl_sighandler;
*s = '\0';
SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel));
SvPOK_on(PL_patchlevel);
- SvNVX(PL_patchlevel) = (NV)PERL_REVISION
- + ((NV)PERL_VERSION / (NV)1000)
-#if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0
- + ((NV)PERL_SUBVERSION / (NV)1000000)
-#endif
- ;
+ SvNVX(PL_patchlevel) = (NV)PERL_REVISION +
+ ((NV)PERL_VERSION / (NV)1000) +
+ ((NV)PERL_SUBVERSION / (NV)1000000);
SvNOK_on(PL_patchlevel); /* dual valued */
SvUTF8_on(PL_patchlevel);
SvREADONLY_on(PL_patchlevel);
It is properly deallocated in perl_destruct() */
PL_strtab = newHV();
-#ifdef USE_5005THREADS
- MUTEX_INIT(&PL_strtab_mutex);
-#endif
HvSHAREKEYS_off(PL_strtab); /* mandatory */
hv_ksplit(PL_strtab, 512);
("__environ", (unsigned long *) &environ_pointer, NULL);
#endif /* environ */
-#ifdef USE_ENVIRON_ARRAY
+#ifndef PERL_MICRO
+# ifdef USE_ENVIRON_ARRAY
PL_origenviron = environ;
+# endif
+#endif
+
+ /* Use sysconf(_SC_CLK_TCK) if available, if not
+ * available or if the sysconf() fails, use the HZ. */
+#if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK)
+ PL_clocktick = sysconf(_SC_CLK_TCK);
+ if (PL_clocktick <= 0)
#endif
+ PL_clocktick = HZ;
+
+ PL_stashcache = newHV();
ENTER;
}
volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */
HV *hv;
#ifdef USE_5005THREADS
- Thread t;
dTHX;
#endif /* USE_5005THREADS */
/* wait for all pseudo-forked children to finish */
PERL_WAIT_FOR_CHILDREN;
-#ifdef USE_5005THREADS
-#ifndef FAKE_THREADS
- /* Pass 1 on any remaining threads: detach joinables, join zombies */
- retry_cleanup:
- MUTEX_LOCK(&PL_threads_mutex);
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: waiting for %d threads...\n",
- PL_nthreads - 1));
- for (t = thr->next; t != thr; t = t->next) {
- MUTEX_LOCK(&t->mutex);
- switch (ThrSTATE(t)) {
- AV *av;
- case THRf_ZOMBIE:
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: joining zombie %p\n", t));
- ThrSETSTATE(t, THRf_DEAD);
- MUTEX_UNLOCK(&t->mutex);
- PL_nthreads--;
- /*
- * The SvREFCNT_dec below may take a long time (e.g. av
- * may contain an object scalar whose destructor gets
- * called) so we have to unlock threads_mutex and start
- * all over again.
- */
- MUTEX_UNLOCK(&PL_threads_mutex);
- JOIN(t, &av);
- SvREFCNT_dec((SV*)av);
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: joined zombie %p OK\n", t));
- goto retry_cleanup;
- case THRf_R_JOINABLE:
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: detaching thread %p\n", t));
- ThrSETSTATE(t, THRf_R_DETACHED);
- /*
- * We unlock threads_mutex and t->mutex in the opposite order
- * from which we locked them just so that DETACH won't
- * deadlock if it panics. It's only a breach of good style
- * not a bug since they are unlocks not locks.
- */
- MUTEX_UNLOCK(&PL_threads_mutex);
- DETACH(t);
- MUTEX_UNLOCK(&t->mutex);
- goto retry_cleanup;
- default:
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: ignoring %p (state %u)\n",
- t, ThrSTATE(t)));
- MUTEX_UNLOCK(&t->mutex);
- /* fall through and out */
- }
- }
- /* We leave the above "Pass 1" loop with threads_mutex still locked */
-
- /* Pass 2 on remaining threads: wait for the thread count to drop to one */
- while (PL_nthreads > 1)
- {
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: final wait for %d threads\n",
- PL_nthreads - 1));
- COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex);
- }
- /* At this point, we're the last thread */
- MUTEX_UNLOCK(&PL_threads_mutex);
- DEBUG_S(PerlIO_printf(Perl_debug_log, "perl_destruct: armageddon has arrived\n"));
- MUTEX_DESTROY(&PL_threads_mutex);
- COND_DESTROY(&PL_nthreads_cond);
- PL_nthreads--;
-#endif /* !defined(FAKE_THREADS) */
-#endif /* USE_5005THREADS */
-
destruct_level = PL_perl_destruct_level;
#ifdef DEBUGGING
{
FREETMPS;
/* Need to flush since END blocks can produce output */
- PerlIO_flush((PerlIO*)NULL);
+ my_fflush_all();
if (CALL_FPTR(PL_threadhook)(aTHX)) {
/* Threads hook has vetoed further cleanup */
- return STATUS_NATIVE_EXPORT;;
+ return STATUS_NATIVE_EXPORT;
}
/* We must account for everything. */
/* Destroy the main CV and syntax tree */
if (PL_main_root) {
- PL_curpad = AvARRAY(PL_comppad);
+ /* ensure comppad/curpad to refer to main's pad */
+ if (CvPADLIST(PL_main_cv)) {
+ PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1);
+ }
op_free(PL_main_root);
PL_main_root = Nullop;
}
* Non-referenced objects are on their own.
*/
sv_clean_objs();
+ PL_sv_objcount = 0;
}
/* unhook hooks which will soon be, or use, destroyed data */
Safefree(PL_exitlist);
+ PL_exitlist = NULL;
+ PL_exitlistlen = 0;
+
if (destruct_level == 0){
DEBUG_P(debprofdump());
#endif
/* The exit() function will do everything that needs doing. */
- return STATUS_NATIVE_EXPORT;;
+ return STATUS_NATIVE_EXPORT;
}
/* jettison our possibly duplicated environment */
/* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied
* so we certainly shouldn't free it here
*/
+#ifndef PERL_MICRO
#if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV)
if (environ != PL_origenviron
#ifdef USE_ITHREADS
environ = PL_origenviron;
}
#endif
+#endif /* !PERL_MICRO */
#ifdef USE_ITHREADS
/* the syntax tree is shared between clones
PL_regex_pad = NULL;
#endif
+ SvREFCNT_dec((SV*) PL_stashcache);
+ PL_stashcache = NULL;
+
/* loosen bonds of global variables */
if(PL_rsfp) {
PL_e_script = Nullsv;
}
- while (--PL_origargc >= 0) {
- Safefree(PL_origargv[PL_origargc]);
- }
- Safefree(PL_origargv);
+ PL_perldb = 0;
/* magical thingies */
SvREFCNT_dec(PL_beginav_save);
SvREFCNT_dec(PL_endav);
SvREFCNT_dec(PL_checkav);
+ SvREFCNT_dec(PL_checkav_save);
SvREFCNT_dec(PL_initav);
PL_beginav = Nullav;
PL_beginav_save = Nullav;
PL_endav = Nullav;
PL_checkav = Nullav;
+ PL_checkav_save = Nullav;
PL_initav = Nullav;
/* shortcuts just get cleared */
PL_stderrgv = Nullgv;
PL_last_in_gv = Nullgv;
PL_replgv = Nullgv;
+ PL_DBgv = Nullgv;
+ PL_DBline = Nullgv;
+ PL_DBsub = Nullgv;
+ PL_DBsingle = Nullsv;
+ PL_DBtrace = Nullsv;
+ PL_DBsignal = Nullsv;
+ PL_DBassertion = Nullsv;
+ PL_DBcv = Nullcv;
+ PL_dbargs = Nullav;
PL_debstash = Nullhv;
/* reset so print() ends up where we expect */
Safefree(PL_numeric_name);
PL_numeric_name = Nullch;
SvREFCNT_dec(PL_numeric_radix_sv);
+ PL_numeric_radix_sv = Nullsv;
#endif
/* clear utf8 character classes */
#ifdef USE_ITHREADS
/* free the pointer table used for cloning */
ptr_table_free(PL_ptr_table);
+ PL_ptr_table = (PTR_TBL_t*)NULL;
#endif
/* free special SVs */
if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL))
Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count);
+#ifdef DEBUG_LEAKING_SCALARS
+ if (PL_sv_count != 0) {
+ SV* sva;
+ SV* sv;
+ register SV* svend;
+
+ for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
+ svend = &sva[SvREFCNT(sva)];
+ for (sv = sva + 1; sv < svend; ++sv) {
+ if (SvTYPE(sv) != SVTYPEMASK) {
+ PerlIO_printf(Perl_debug_log, "leaked: 0x%p\n", sv);
+ }
+ }
+ }
+ }
+#endif
+ PL_sv_count = 0;
+
+
#if defined(PERLIO_LAYERS)
/* No more IO - including error messages ! */
PerlIO_cleanup(aTHX);
SvREFCNT(&PL_sv_undef) = 0;
SvREADONLY_off(&PL_sv_undef);
+ SvREFCNT(&PL_sv_placeholder) = 0;
+ SvREADONLY_off(&PL_sv_placeholder);
+
Safefree(PL_origfilename);
+ PL_origfilename = Nullch;
Safefree(PL_reg_start_tmp);
+ PL_reg_start_tmp = (char**)NULL;
+ PL_reg_start_tmpl = 0;
if (PL_reg_curpm)
Safefree(PL_reg_curpm);
Safefree(PL_reg_poscache);
- Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh));
+ free_tied_hv_pool();
Safefree(PL_op_mask);
Safefree(PL_psig_ptr);
+ PL_psig_ptr = (SV**)NULL;
Safefree(PL_psig_name);
+ PL_psig_name = (SV**)NULL;
Safefree(PL_bitcount);
+ PL_bitcount = Nullch;
Safefree(PL_psig_pend);
+ PL_psig_pend = (int*)NULL;
+ PL_formfeed = Nullsv;
+ Safefree(PL_ofmt);
+ PL_ofmt = Nullch;
nuke_stacks();
+ PL_tainting = FALSE;
+ PL_taint_warn = FALSE;
PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */
+ PL_debug = 0;
DEBUG_P(debprofdump());
-#ifdef USE_5005THREADS
- MUTEX_DESTROY(&PL_strtab_mutex);
- MUTEX_DESTROY(&PL_sv_mutex);
- MUTEX_DESTROY(&PL_eval_mutex);
- MUTEX_DESTROY(&PL_cred_mutex);
- MUTEX_DESTROY(&PL_fdpid_mutex);
- COND_DESTROY(&PL_eval_cond);
-#ifdef EMULATE_ATOMIC_REFCOUNTS
- MUTEX_DESTROY(&PL_svref_mutex);
-#endif /* EMULATE_ATOMIC_REFCOUNTS */
-
- /* As the penultimate thing, free the non-arena SV for thrsv */
- Safefree(SvPVX(PL_thrsv));
- Safefree(SvANY(PL_thrsv));
- Safefree(PL_thrsv);
- PL_thrsv = Nullsv;
-#endif /* USE_5005THREADS */
#ifdef USE_REENTRANT_API
Perl_reentrant_free(aTHX);
#endif
#endif
- PL_origargc = argc;
+#if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT)
+ /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0
+ * This MUST be done before any hash stores or fetches take place.
+ * If you set PL_hash_seed (and assumedly also PL_hash_seed_set) yourself,
+ * it is your responsibility to provide a good random seed!
+ * You can also define PERL_HASH_SEED in compile time, see hv.h. */
+ if (!PL_hash_seed_set)
+ PL_new_hash_seed = get_hash_seed();
{
- /* we copy rather than point to argv
- * since perl_clone will copy and perl_destruct
- * has no way of knowing if we've made a copy or
- * just point to argv
- */
- int i = PL_origargc;
- New(0, PL_origargv, i+1, char*);
- PL_origargv[i] = '\0';
- while (i-- > 0) {
- PL_origargv[i] = savepv(argv[i]);
- }
+ char *s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG");
+
+ if (s) {
+ int i = atoi(s);
+
+ if (i == 1)
+ PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n",
+ PL_new_hash_seed);
+ }
}
+#endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */
+ PL_origargc = argc;
+ PL_origargv = argv;
+ {
+ /* Set PL_origalen be the sum of the contiguous argv[]
+ * elements plus the size of the env in case that it is
+ * contiguous with the argv[]. This is used in mg.c:mg_set()
+ * as the maximum modifiable length of $0. In the worst case
+ * the area we are able to modify is limited to the size of
+ * the original argv[0]. (See below for 'contiguous', though.)
+ * --jhi */
+ char *s = NULL;
+ int i;
+ UV mask =
+ ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0);
+ /* Do the mask check only if the args seem like aligned. */
+ UV aligned =
+ (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0]));
+
+ /* See if all the arguments are contiguous in memory. Note
+ * that 'contiguous' is a loose term because some platforms
+ * align the argv[] and the envp[]. If the arguments look
+ * like non-aligned, assume that they are 'strictly' or
+ * 'traditionally' contiguous. If the arguments look like
+ * aligned, we just check that they are within aligned
+ * PTRSIZE bytes. As long as no system has something bizarre
+ * like the argv[] interleaved with some other data, we are
+ * fine. (Did I just evoke Murphy's Law?) --jhi */
+ if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) {
+ while (*s) s++;
+ for (i = 1; i < PL_origargc; i++) {
+ if ((PL_origargv[i] == s + 1
+#ifdef OS2
+ || PL_origargv[i] == s + 2
+#endif
+ )
+ ||
+ (aligned &&
+ (PL_origargv[i] > s &&
+ PL_origargv[i] <=
+ INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask)))
+ )
+ {
+ s = PL_origargv[i];
+ while (*s) s++;
+ }
+ else
+ break;
+ }
+ }
+ /* Can we grab env area too to be used as the area for $0? */
+ if (PL_origenviron) {
+ if ((PL_origenviron[0] == s + 1
+#ifdef OS2
+ || (PL_origenviron[0] == s + 9 && (s += 8))
+#endif
+ )
+ ||
+ (aligned &&
+ (PL_origenviron[0] > s &&
+ PL_origenviron[0] <=
+ INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask)))
+ )
+ {
+#ifndef OS2
+ s = PL_origenviron[0];
+ while (*s) s++;
+#endif
+ my_setenv("NoNe SuCh", Nullch);
+ /* Force copy of environment. */
+ for (i = 1; PL_origenviron[i]; i++) {
+ if (PL_origenviron[i] == s + 1
+ ||
+ (aligned &&
+ (PL_origenviron[i] > s &&
+ PL_origenviron[i] <=
+ INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask)))
+ )
+ {
+ s = PL_origenviron[i];
+ while (*s) s++;
+ }
+ else
+ break;
+ }
+ }
+ }
+ PL_origalen = s - PL_origargv[0];
+ }
if (PL_do_undump) {
}
if (PL_main_root) {
- PL_curpad = AvARRAY(PL_comppad);
op_free(PL_main_root);
PL_main_root = Nullop;
}
int fdscript = -1;
VOL bool dosearch = FALSE;
char *validarg = "";
- AV* comppadlist;
register SV *sv;
register char *s;
char *cddir = Nullch;
reswitch:
switch (*s) {
case 'C':
-#ifdef WIN32
- win32_argv2utf8(argc-1, argv+1);
- /* FALL THROUGH */
-#endif
#ifndef PERL_STRICT_CR
case '\r':
#endif
case 'W':
case 'X':
case 'w':
+ case 'A':
if ((s = moreswitches(s)))
goto reswitch;
break;
case 't':
+ CHECK_MALLOC_TOO_LATE_FOR('t');
if( !PL_tainting ) {
PL_taint_warn = TRUE;
PL_tainting = TRUE;
s++;
goto reswitch;
case 'T':
+ CHECK_MALLOC_TOO_LATE_FOR('T');
PL_tainting = TRUE;
PL_taint_warn = FALSE;
s++;
#ifdef MACOS_TRADITIONAL
/* ignore -e for Dev:Pseudo argument */
if (argv[1] && !strcmp(argv[1], "Dev:Pseudo"))
- break;
+ break;
#endif
if (PL_euid != PL_uid || PL_egid != PL_gid)
Perl_croak(aTHX_ "No -e allowed in setuid scripts");
char *p;
STRLEN len = strlen(s);
p = savepvn(s, len);
- incpush(p, TRUE, TRUE);
+ incpush(p, TRUE, TRUE, FALSE);
sv_catpvn(sv, "-I", 2);
sv_catpvn(sv, p, len);
sv_catpvn(sv, " ", 1);
}
}
switch_end:
+ sv_setsv(get_sv("/", TRUE), PL_rs);
if (
#ifndef SECURE_INTERNAL_GETENV
while (isSPACE(*s))
s++;
if (*s == '-' && *(s+1) == 'T') {
+ CHECK_MALLOC_TOO_LATE_FOR('T');
PL_tainting = TRUE;
PL_taint_warn = FALSE;
}
d = s;
if (!*s)
break;
- if (!strchr("DIMUdmtw", *s))
+ if (!strchr("DIMUdmtwA", *s))
Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s);
while (++s && *s) {
if (isSPACE(*s)) {
sv_upgrade((SV *)PL_compcv, SVt_PVCV);
CvUNIQUE_on(PL_compcv);
- PL_comppad = newAV();
- av_push(PL_comppad, Nullsv);
- PL_curpad = AvARRAY(PL_comppad);
- PL_comppad_name = newAV();
- PL_comppad_name_fill = 0;
- PL_min_intro_pending = 0;
- PL_padix = 0;
+ CvPADLIST(PL_compcv) = pad_new(0);
#ifdef USE_5005THREADS
- av_store(PL_comppad_name, 0, newSVpvn("@_", 2));
- PL_curpad[0] = (SV*)newAV();
- SvPADMY_on(PL_curpad[0]); /* XXX Needed? */
CvOWNER(PL_compcv) = 0;
New(666, CvMUTEXP(PL_compcv), 1, perl_mutex);
MUTEX_INIT(CvMUTEXP(PL_compcv));
#endif /* USE_5005THREADS */
- comppadlist = newAV();
- AvREAL_off(comppadlist);
- av_store(comppadlist, 0, (SV*)PL_comppad_name);
- av_store(comppadlist, 1, (SV*)PL_comppad);
- CvPADLIST(PL_compcv) = comppadlist;
-
boot_core_PerlIO();
boot_core_UNIVERSAL();
-#ifndef PERL_MICRO
boot_core_xsutils();
-#endif
if (xsinit)
(*xsinit)(aTHX); /* in case linked C routines want magical variables */
if (!PL_do_undump)
init_postdump_symbols(argc,argv,env);
- if (PL_wantutf8) { /* Requires init_predump_symbols(). */
- IO* io;
- PerlIO* fp;
- SV* sv;
- if (PL_stdingv && (io = GvIO(PL_stdingv)) && (fp = IoIFP(io)))
- PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
- if (PL_defoutgv && (io = GvIO(PL_defoutgv)) && (fp = IoOFP(io)))
- PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
- if (PL_stderrgv && (io = GvIO(PL_stderrgv)) && (fp = IoOFP(io)))
- PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
- if ((sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) {
- sv_setpvn(sv, ":utf8\0:utf8", 11);
- SvSETMAGIC(sv);
+ /* PL_unicode is turned on by -C or by $ENV{PERL_UNICODE}.
+ * PL_utf8locale is conditionally turned on by
+ * locale.c:Perl_init_i18nl10n() if the environment
+ * look like the user wants to use UTF-8. */
+ if (PL_unicode) {
+ /* Requires init_predump_symbols(). */
+ if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) {
+ IO* io;
+ PerlIO* fp;
+ SV* sv;
+
+ /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR
+ * and the default open disciplines. */
+ if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) &&
+ PL_stdingv && (io = GvIO(PL_stdingv)) &&
+ (fp = IoIFP(io)))
+ PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
+ if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) &&
+ PL_defoutgv && (io = GvIO(PL_defoutgv)) &&
+ (fp = IoOFP(io)))
+ PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
+ if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) &&
+ PL_stderrgv && (io = GvIO(PL_stderrgv)) &&
+ (fp = IoOFP(io)))
+ PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
+ if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) &&
+ (sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) {
+ U32 in = PL_unicode & PERL_UNICODE_IN_FLAG;
+ U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG;
+ if (in) {
+ if (out)
+ sv_setpvn(sv, ":utf8\0:utf8", 11);
+ else
+ sv_setpvn(sv, ":utf8\0", 6);
+ }
+ else if (out)
+ sv_setpvn(sv, "\0:utf8", 6);
+ SvSETMAGIC(sv);
+ }
}
}
+ if ((s = PerlEnv_getenv("PERL_SIGNALS"))) {
+ if (strEQ(s, "unsafe"))
+ PL_signals |= PERL_SIGNALS_UNSAFE_FLAG;
+ else if (strEQ(s, "safe"))
+ PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG;
+ else
+ Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s);
+ }
+
init_lexer();
/* now parse the script */
- SETERRNO(0,SS$_NORMAL);
+ SETERRNO(0,SS_NORMAL);
PL_error_count = 0;
#ifdef MACOS_TRADITIONAL
if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) {
PL_e_script = Nullsv;
}
-/*
- Not sure that this is still the right place to do this now that we
- no longer use PL_nrs. HVDS 2001/09/09
-*/
- sv_setsv(get_sv("/", TRUE), PL_rs);
-
if (PL_do_undump)
my_unexec();
if (!PL_restartop) {
DEBUG_x(dump_all());
- DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n"));
+ PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n"));
DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n",
PTR2UV(thr)));
if (PL_minus_c) {
#ifdef MACOS_TRADITIONAL
- PerlIO_printf(Perl_error_log, "# %s syntax OK\n", MacPerl_MPWFileName(PL_origfilename));
+ PerlIO_printf(Perl_error_log, "%s%s syntax OK\n",
+ (gMacPerl_ErrorFormat ? "# " : ""),
+ MacPerl_MPWFileName(PL_origfilename));
#else
PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename);
#endif
Tells Perl to C<require> the file named by the string argument. It is
analogous to the Perl code C<eval "require '$file'">. It's even
-implemented that way; consider using Perl_load_module instead.
+implemented that way; consider using load_module instead.
=cut */
static char *usage_msg[] = {
"-0[octal] specify record separator (\\0, if no argument)",
"-a autosplit mode with -n or -p (splits $_ into @F)",
-"-C enable native wide character system interfaces",
+"-C[number/list] enables the listed Unicode features",
"-c check syntax only (runs BEGIN and CHECK blocks)",
"-d[:debugger] run program under debugger",
"-D[number/list] set debugging flags (argument is a bit mask or alphabets)",
-"-e 'command' one line of program (several -e's allowed, omit programfile)",
+"-e program one line of program (several -e's allowed, omit programfile)",
"-F/pattern/ split() pattern for -a switch (//'s are optional)",
"-i[extension] edit <> files in place (makes backup if extension supplied)",
"-Idirectory specify @INC/#include directory (several -I's allowed)",
"-P run program through C preprocessor before compilation",
"-s enable rudimentary parsing for switches after programfile",
"-S look for programfile using PATH environment variable",
-"-T enable tainting checks",
"-t enable tainting warnings",
+"-T enable tainting checks",
"-u dump core after parsing program",
"-U allow unsafe operations",
"-v print version, subversion (includes VERY IMPORTANT perl info)",
"-V[:variable] print configuration summary (or a single Config.pm variable)",
"-w enable many useful warnings (RECOMMENDED)",
"-W enable all warnings",
-"-X disable all warnings",
"-x[directory] strip off text before #!perl line and perhaps cd to directory",
+"-X disable all warnings",
"\n",
NULL
};
PerlIO_printf(PerlIO_stdout(), "\n %s", *p++);
}
+/* convert a string of -D options (or digits) into an int.
+ * sets *s to point to the char after the options */
+
+#ifdef DEBUGGING
+int
+Perl_get_debug_opts(pTHX_ char **s)
+{
+ int i = 0;
+ if (isALPHA(**s)) {
+ /* if adding extra options, remember to update DEBUG_MASK */
+ static char debopts[] = "psltocPmfrxu HXDSTRJvC";
+
+ for (; isALNUM(**s); (*s)++) {
+ char *d = strchr(debopts,**s);
+ if (d)
+ i |= 1 << (d - debopts);
+ else if (ckWARN_d(WARN_DEBUGGING))
+ Perl_warner(aTHX_ packWARN(WARN_DEBUGGING),
+ "invalid option -D%c\n", **s);
+ }
+ }
+ else {
+ i = atoi(*s);
+ for (; isALNUM(**s); (*s)++) ;
+ }
+# ifdef EBCDIC
+ if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING))
+ Perl_warner(aTHX_ packWARN(WARN_DEBUGGING),
+ "-Dp not implemented on this platform\n");
+# endif
+ return i;
+}
+#endif
+
/* This routine handles any switches that can be given during run */
char *
Perl_moreswitches(pTHX_ char *s)
{
STRLEN numlen;
- U32 rschar;
+ UV rschar;
switch (*s) {
case '0':
{
- I32 flags = 0;
- numlen = 4;
- rschar = (U32)grok_oct(s, &numlen, &flags, NULL);
- SvREFCNT_dec(PL_rs);
- if (rschar & ~((U8)~0))
- PL_rs = &PL_sv_undef;
- else if (!rschar && numlen >= 2)
- PL_rs = newSVpvn("", 0);
- else {
- char ch = (char)rschar;
- PL_rs = newSVpvn(&ch, 1);
- }
- return s + numlen;
+ I32 flags = 0;
+
+ SvREFCNT_dec(PL_rs);
+ if (s[1] == 'x' && s[2]) {
+ char *e;
+ U8 *tmps;
+
+ for (s += 2, e = s; *e; e++);
+ numlen = e - s;
+ flags = PERL_SCAN_SILENT_ILLDIGIT;
+ rschar = (U32)grok_hex(s, &numlen, &flags, NULL);
+ if (s + numlen < e) {
+ rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */
+ numlen = 0;
+ s--;
+ }
+ PL_rs = newSVpvn("", 0);
+ SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1));
+ tmps = (U8*)SvPVX(PL_rs);
+ uvchr_to_utf8(tmps, rschar);
+ SvCUR_set(PL_rs, UNISKIP(rschar));
+ SvUTF8_on(PL_rs);
+ }
+ else {
+ numlen = 4;
+ rschar = (U32)grok_oct(s, &numlen, &flags, NULL);
+ if (rschar & ~((U8)~0))
+ PL_rs = &PL_sv_undef;
+ else if (!rschar && numlen >= 2)
+ PL_rs = newSVpvn("", 0);
+ else {
+ char ch = (char)rschar;
+ PL_rs = newSVpvn(&ch, 1);
+ }
+ }
+ return s + numlen;
}
case 'C':
- PL_widesyscalls = TRUE;
- s++;
+ s++;
+ PL_unicode = parse_unicode_opts(&s);
return s;
case 'F':
PL_minus_F = TRUE;
sv_catpvn(sv, start, s-start);
sv_catpv(sv, " split(/,/,q{");
sv_catpv(sv, ++s);
- sv_catpv(sv, "})");
+ sv_catpv(sv, "})");
}
s += strlen(s);
my_setenv("PERL5DB", SvPV(sv, PL_na));
{
#ifdef DEBUGGING
forbid_setid("-D");
- if (isALPHA(s[1])) {
- /* if adding extra options, remember to update DEBUG_MASK */
- static char debopts[] = "psltocPmfrxuLHXDSTRJ";
- char *d;
-
- for (s++; *s && (d = strchr(debopts,*s)); s++)
- PL_debug |= 1 << (d - debopts);
- }
- else {
- PL_debug = atoi(s+1);
- for (s++; isDIGIT(*s); s++) ;
- }
-#ifdef EBCDIC
- if (DEBUG_p_TEST_ && ckWARN_d(WARN_DEBUGGING))
- Perl_warner(aTHX_ packWARN(WARN_DEBUGGING),
- "-Dp not implemented on this platform\n");
-#endif
- PL_debug |= DEBUG_TOP_FLAG;
+ s++;
+ PL_debug = get_debug_opts(&s) | DEBUG_TOP_FLAG;
#else /* !DEBUGGING */
if (ckWARN_d(WARN_DEBUGGING))
Perl_warner(aTHX_ packWARN(WARN_DEBUGGING),
}
case 'h':
usage(PL_origargv[0]);
- PerlProc_exit(0);
+ my_exit(0);
case 'i':
if (PL_inplace)
Safefree(PL_inplace);
+#if defined(__CYGWIN__) /* do backup extension automagically */
+ if (*(s+1) == '\0') {
+ PL_inplace = savepv(".bak");
+ return s+1;
+ }
+#endif /* __CYGWIN__ */
PL_inplace = savepv(s+1);
/*SUPPRESS 530*/
for (s = PL_inplace; *s && !isSPACE(*s); s++) ;
p++;
} while (*p && *p != '-');
e = savepvn(s, e-s);
- incpush(e, TRUE, TRUE);
+ incpush(e, TRUE, TRUE, FALSE);
Safefree(e);
s = p;
if (*s == '-')
}
}
return s;
+ case 'A':
+ forbid_setid("-A");
+ if (!PL_preambleav)
+ PL_preambleav = newAV();
+ if (*++s) {
+ SV *sv = newSVpv("use assertions::activate split(/,/,q", 0);
+ sv_catpvn(sv, "\0", 1); /* Use NUL as q//-delimiter. */
+ sv_catpv(sv,s);
+ sv_catpvn(sv, "\0)", 2);
+ s+=strlen(s);
+ av_push(PL_preambleav, sv);
+ }
+ else
+ av_push(PL_preambleav, newSVpvn("use assertions::activate",24));
+ return s;
case 'M':
forbid_setid("-M"); /* XXX ? */
/* FALL THROUGH */
Perl_croak(aTHX_ "Module name required with -%c option",
s[-1]);
sv_catpvn(sv, start, s-start);
- sv_catpv(sv, " split(/,/,q{");
+ sv_catpv(sv, " split(/,/,q");
+ sv_catpvn(sv, "\0)", 1); /* Use NUL as q//-delimiter. */
sv_catpv(sv, ++s);
- sv_catpv(sv, "})");
+ sv_catpvn(sv, "\0)", 2);
}
s += strlen(s);
if (!PL_preambleav)
return s;
case 't':
if (!PL_tainting)
- Perl_croak(aTHX_ "Too late for \"-t\" option");
+ TOO_LATE_FOR('t');
s++;
return s;
case 'T':
if (!PL_tainting)
- Perl_croak(aTHX_ "Too late for \"-T\" option");
+ TOO_LATE_FOR('T');
s++;
return s;
case 'u':
#endif
PerlIO_printf(PerlIO_stdout(),
- "\n\nCopyright 1987-2002, Larry Wall\n");
+ "\n\nCopyright 1987-2003, Larry Wall\n");
#ifdef MACOS_TRADITIONAL
PerlIO_printf(PerlIO_stdout(),
"\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n"
#endif
#ifdef MPE
PerlIO_printf(PerlIO_stdout(),
- "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2002\n");
+ "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n");
#endif
#ifdef OEMVS
PerlIO_printf(PerlIO_stdout(),
"EPOC port by Olaf Flebbe, 1999-2002\n");
#endif
#ifdef UNDER_CE
- printf("WINCE port by Rainer Keuchel, 2001-2002\n");
- printf("Built on " __DATE__ " " __TIME__ "\n\n");
+ PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n");
+ PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n");
wce_hitreturn();
#endif
#ifdef BINARY_BUILD_NOTICE
Complete documentation for Perl, including FAQ lists, should be found on\n\
this system using `man perl' or `perldoc perl'. If you have access to the\n\
Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n");
- PerlProc_exit(0);
+ my_exit(0);
case 'w':
if (! (PL_dowarn & G_WARN_ALL_MASK))
PL_dowarn |= G_WARN_ON;
CopSTASH_set(&PL_compiling, PL_defstash);
PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV));
PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV));
- PL_nullstash = GvHV(gv_fetchpv("<none>::", GV_ADDMULTI, SVt_PVHV));
/* We must init $/ before switches are processed. */
sv_setpvn(get_sv("/", TRUE), "\n", 1);
}
SV *cpp = newSVpvn("",0);
SV *cmd = NEWSV(0,0);
+ if (cpp_cfg[0] == 0) /* PERL_MICRO? */
+ Perl_croak(aTHX_ "Can't run with cpp -P with CPPSTDIN undefined");
if (strEQ(cpp_cfg, "cppstdin"))
Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP);
sv_catpv(cpp, cpp_cfg);
PL_statbuf.st_mode & (S_ISUID|S_ISGID))
{
/* try again */
+ PERL_FPU_PRE_EXEC
PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT,
BIN_EXP, (int)PERL_REVISION,
(int)PERL_VERSION,
(int)PERL_SUBVERSION), PL_origargv);
+ PERL_FPU_POST_EXEC
Perl_croak(aTHX_ "Can't do setuid\n");
}
# endif
# endif
# ifdef IAMSUID
errno = EPERM;
- Perl_croak(aTHX_ "Can't open perl script: %s\n",
- Strerror(errno));
+ Perl_croak(aTHX_ "Permission denied\n");
# else
Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n",
CopFILE(PL_curcop), Strerror(errno));
* But I don't think it's too important. The manual lies when
* it says access() is useful in setuid programs.
*/
- if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/
- Perl_croak(aTHX_ "Permission denied");
+ if (PerlLIO_access(CopFILE(PL_curcop),1)) { /*double check*/
+ errno = EPERM;
+ Perl_croak(aTHX_ "Permission denied\n");
+ }
#else
/* If we can swap euid and uid, then we can determine access rights
* with a simple stat of the file, and then compare device and
#endif
|| PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid)
Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */
- if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0)
- Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */
+ if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) {
+ errno = EPERM;
+ Perl_croak(aTHX_ "Permission denied\n"); /* testing full pathname here */
+ }
#if defined(IAMSUID) && !defined(NO_NOSUID_CHECK)
- if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp)))
- Perl_croak(aTHX_ "Permission denied");
+ if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) {
+ errno = EPERM;
+ Perl_croak(aTHX_ "Permission denied\n");
+ }
#endif
if (tmpstatbuf.st_dev != PL_statbuf.st_dev ||
tmpstatbuf.st_ino != PL_statbuf.st_ino) {
(void)PerlIO_close(PL_rsfp);
+ errno = EPERM;
Perl_croak(aTHX_ "Permission denied\n");
}
if (
#endif /* HAS_SETREUID */
#endif /* IAMSUID */
- if (!S_ISREG(PL_statbuf.st_mode))
- Perl_croak(aTHX_ "Permission denied");
+ if (!S_ISREG(PL_statbuf.st_mode)) {
+ errno = EPERM;
+ Perl_croak(aTHX_ "Permission denied\n");
+ }
if (PL_statbuf.st_mode & S_IWOTH)
Perl_croak(aTHX_ "Setuid/gid script is writable by world");
PL_doswitches = FALSE; /* -s is insecure in suid */
PL_euid == PL_statbuf.st_uid)
if (!PL_do_undump)
Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\
-FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n");
+FIX YOUR KERNEL, OR PUT A C WRAPPER AROUND THIS SCRIPT!\n");
#endif /* IAMSUID */
if (PL_euid) { /* oops, we're not the setuid root perl */
(void)PerlIO_close(PL_rsfp);
#ifndef IAMSUID
/* try again */
+ PERL_FPU_PRE_EXEC
PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP,
(int)PERL_REVISION, (int)PERL_VERSION,
(int)PERL_SUBVERSION), PL_origargv);
+ PERL_FPU_POST_EXEC
#endif
Perl_croak(aTHX_ "Can't do setuid\n");
}
Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n");
else if (fdscript >= 0)
Perl_croak(aTHX_ "fd script not allowed in suidperl\n");
- else
- Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n");
+ else {
+ errno = EPERM;
+ Perl_croak(aTHX_ "Permission denied\n");
+ }
/* We absolutely must clear out any saved ids here, so we */
/* exec the real perl, substituting fd script for scriptname. */
PerlIO_rewind(PL_rsfp);
PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */
for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ;
- if (!PL_origargv[which])
- Perl_croak(aTHX_ "Permission denied");
+ if (!PL_origargv[which]) {
+ errno = EPERM;
+ Perl_croak(aTHX_ "Permission denied\n");
+ }
PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s",
PerlIO_fileno(PL_rsfp), PL_origargv[which]));
#if defined(HAS_FCNTL) && defined(F_SETFD)
fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */
#endif
+ PERL_FPU_PRE_EXEC
PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP,
(int)PERL_REVISION, (int)PERL_VERSION,
(int)PERL_SUBVERSION), PL_origargv);/* try again */
+ PERL_FPU_POST_EXEC
Perl_croak(aTHX_ "Can't do setuid\n");
#endif /* IAMSUID */
#else /* !DOSUID */
S_find_beginning(pTHX)
{
register char *s, *s2;
+#ifdef MACOS_TRADITIONAL
+ int maclines = 0;
+#endif
/* skip forward in input to the real script? */
if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) {
if (!gMacPerl_AlwaysExtract)
Perl_croak(aTHX_ "No Perl script found in input\n");
-
+
if (PL_doextract) /* require explicit override ? */
if (!OverrideExtract(PL_origfilename))
Perl_croak(aTHX_ "User aborted script\n");
else
PL_doextract = FALSE;
-
+
/* Pater peccavi, file does not have #! */
PerlIO_rewind(PL_rsfp);
-
+
break;
}
#else
;
}
#ifdef MACOS_TRADITIONAL
+ /* We are always searching for the #!perl line in MacPerl,
+ * so if we find it, still keep the line count correct
+ * by counting lines we already skipped over
+ */
+ for (; maclines > 0 ; maclines--)
+ PerlIO_ungetc(PL_rsfp, '\n');
+
break;
+
+ /* gMacPerl_AlwaysExtract is false in MPW tool */
+ } else if (gMacPerl_AlwaysExtract) {
+ ++maclines;
#endif
}
}
PL_uid |= PL_gid << 16;
PL_euid |= PL_egid << 16;
#endif
+ /* Should not happen: */
+ CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
}
+/* This is used very early in the lifetime of the program,
+ * before even the options are parsed, so PL_tainting has
+ * not been initialized properly. */
+bool
+Perl_doing_taint(int argc, char *argv[], char *envp[])
+{
+#ifndef PERL_IMPLICIT_SYS
+ /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia
+ * before we have an interpreter-- and the whole point of this
+ * function is to be called at such an early stage. If you are on
+ * a system with PERL_IMPLICIT_SYS but you do have a concept of
+ * "tainted because running with altered effective ids', you'll
+ * have to add your own checks somewhere in here. The two most
+ * known samples of 'implicitness' are Win32 and NetWare, neither
+ * of which has much of concept of 'uids'. */
+ int uid = PerlProc_getuid();
+ int euid = PerlProc_geteuid();
+ int gid = PerlProc_getgid();
+ int egid = PerlProc_getegid();
+
+#ifdef VMS
+ uid |= gid << 16;
+ euid |= egid << 16;
+#endif
+ if (uid && (euid != uid || egid != gid))
+ return 1;
+#endif /* !PERL_IMPLICIT_SYS */
+ /* This is a really primitive check; environment gets ignored only
+ * if -T are the first chars together; otherwise one gets
+ * "Too late" message. */
+ if ( argc > 1 && argv[1][0] == '-'
+ && (argv[1][1] == 't' || argv[1][1] == 'T') )
+ return 1;
+ return 0;
+}
+
STATIC void
S_forbid_setid(pTHX_ char *s)
{
HV *ostash = PL_curstash;
PL_curstash = PL_debstash;
- PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV))));
+ PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("DB::args", GV_ADDMULTI, SVt_PVAV))));
AvREAL_off(PL_dbargs);
- PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV);
- PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV);
- PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV));
+ PL_DBgv = gv_fetchpv("DB::DB", GV_ADDMULTI, SVt_PVGV);
+ PL_DBline = gv_fetchpv("DB::dbline", GV_ADDMULTI, SVt_PVAV);
+ PL_DBsub = gv_HVadd(gv_fetchpv("DB::sub", GV_ADDMULTI, SVt_PVHV));
sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */
- PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV)));
+ PL_DBsingle = GvSV((gv_fetchpv("DB::single", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBsingle, 0);
- PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV)));
+ PL_DBtrace = GvSV((gv_fetchpv("DB::trace", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBtrace, 0);
- PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV)));
+ PL_DBsignal = GvSV((gv_fetchpv("DB::signal", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBsignal, 0);
+ PL_DBassertion = GvSV((gv_fetchpv("DB::assertion", GV_ADDMULTI, SVt_PV)));
+ sv_setiv(PL_DBassertion, 0);
PL_curstash = ostash;
}
for (; argc > 0; argc--,argv++) {
SV *sv = newSVpv(argv[0],0);
av_push(GvAVn(PL_argvgv),sv);
- if (PL_widesyscalls)
- (void)sv_utf8_decode(sv);
+ if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) {
+ if (PL_unicode & PERL_UNICODE_ARGV_FLAG)
+ SvUTF8_on(sv);
+ }
+ if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */
+ (void)sv_utf8_decode(sv);
}
}
}
{
char buf[MAXPATHLEN];
int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1);
+
+ /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe)
+ includes a spurious NUL which will cause $^X to fail in system
+ or backticks (this will prevent extensions from being built and
+ many tests from working). readlink is not meant to add a NUL.
+ Normal readlink works fine.
+ */
+ if (len > 0 && buf[len-1] == '\0') {
+ len--;
+ }
+
/* FreeBSD's implementation is acknowledged to be imperfect, sometimes
returning the text "unknown" from the readlink rather than the path
to the executable (or returning an error from the readlink). Any valid
GvMULTI_on(PL_envgv);
hv = GvHVn(PL_envgv);
hv_magic(hv, Nullgv, PERL_MAGIC_env);
+#ifndef PERL_MICRO
#ifdef USE_ENVIRON_ARRAY
/* Note that if the supplied env parameter is actually a copy
of the global environ then it may now point to free'd memory
for (; *env; env++) {
if (!(s = strchr(*env,'=')))
continue;
-#if defined(MSDOS)
+#if defined(MSDOS) && !defined(DJGPP)
*s = '\0';
(void)strupr(*env);
*s = '=';
mg_set(sv);
}
#endif /* USE_ENVIRON_ARRAY */
+#endif /* !PERL_MICRO */
}
TAINT_NOT;
if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) {
sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
SvREADONLY_on(GvSV(tmpgv));
}
+#ifdef THREADS_HAVE_PIDS
+ PL_ppid = (IV)getppid();
+#endif
/* touch @F array to prevent spurious warnings 20020415 MJD */
if (PL_minus_a) {
#ifndef VMS
s = PerlEnv_getenv("PERL5LIB");
if (s)
- incpush(s, TRUE, TRUE);
+ incpush(s, TRUE, TRUE, TRUE);
else
- incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE);
+ incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE);
#else /* VMS */
/* Treat PERL5?LIB as a possible search list logical name -- the
* "natural" VMS idiom for a Unix path string. We allow each
char buf[256];
int idx = 0;
if (my_trnlnm("PERL5LIB",buf,0))
- do { incpush(buf,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx));
+ do { incpush(buf,TRUE,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx));
else
- while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE);
+ while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE);
#endif /* VMS */
}
ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB
*/
#ifdef APPLLIB_EXP
- incpush(APPLLIB_EXP, TRUE, TRUE);
+ incpush(APPLLIB_EXP, TRUE, TRUE, TRUE);
#endif
#ifdef ARCHLIB_EXP
- incpush(ARCHLIB_EXP, FALSE, FALSE);
+ incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE);
#endif
#ifdef MACOS_TRADITIONAL
{
Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl);
if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode))
- incpush(SvPVX(privdir), TRUE, FALSE);
+ incpush(SvPVX(privdir), TRUE, FALSE, TRUE);
Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl);
if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode))
- incpush(SvPVX(privdir), TRUE, FALSE);
+ incpush(SvPVX(privdir), TRUE, FALSE, TRUE);
SvREFCNT_dec(privdir);
}
if (!PL_tainting)
- incpush(":", FALSE, FALSE);
+ incpush(":", FALSE, FALSE, TRUE);
#else
#ifndef PRIVLIB_EXP
# define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
#endif
#if defined(WIN32)
- incpush(PRIVLIB_EXP, TRUE, FALSE);
+ incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE);
#else
- incpush(PRIVLIB_EXP, FALSE, FALSE);
+ incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE);
#endif
#ifdef SITEARCH_EXP
/* sitearch is always relative to sitelib on Windows for
* DLL-based path intuition to work correctly */
# if !defined(WIN32)
- incpush(SITEARCH_EXP, FALSE, FALSE);
+ incpush(SITEARCH_EXP, FALSE, FALSE, TRUE);
# endif
#endif
#ifdef SITELIB_EXP
# if defined(WIN32)
- incpush(SITELIB_EXP, TRUE, FALSE); /* this picks up sitearch as well */
+ /* this picks up sitearch as well */
+ incpush(SITELIB_EXP, TRUE, FALSE, TRUE);
# else
- incpush(SITELIB_EXP, FALSE, FALSE);
+ incpush(SITELIB_EXP, FALSE, FALSE, TRUE);
# endif
#endif
#ifdef SITELIB_STEM /* Search for version-specific dirs below here */
- incpush(SITELIB_STEM, FALSE, TRUE);
+ incpush(SITELIB_STEM, FALSE, TRUE, TRUE);
#endif
#ifdef PERL_VENDORARCH_EXP
/* vendorarch is always relative to vendorlib on Windows for
* DLL-based path intuition to work correctly */
# if !defined(WIN32)
- incpush(PERL_VENDORARCH_EXP, FALSE, FALSE);
+ incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE);
# endif
#endif
#ifdef PERL_VENDORLIB_EXP
# if defined(WIN32)
- incpush(PERL_VENDORLIB_EXP, TRUE, FALSE); /* this picks up vendorarch as well */
+ incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE); /* this picks up vendorarch as well */
# else
- incpush(PERL_VENDORLIB_EXP, FALSE, FALSE);
+ incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE);
# endif
#endif
#ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */
- incpush(PERL_VENDORLIB_STEM, FALSE, TRUE);
+ incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE);
#endif
#ifdef PERL_OTHERLIBDIRS
- incpush(PERL_OTHERLIBDIRS, TRUE, TRUE);
+ incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE);
#endif
if (!PL_tainting)
- incpush(".", FALSE, FALSE);
+ incpush(".", FALSE, FALSE, TRUE);
#endif /* MACOS_TRADITIONAL */
}
#endif
STATIC void
-S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers)
+S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers, int usesep)
{
SV *subdir = Nullsv;
char *s;
/* skip any consecutive separators */
- while ( *p == PERLLIB_SEP ) {
- /* Uncomment the next line for PATH semantics */
- /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */
- p++;
+ if (usesep) {
+ while ( *p == PERLLIB_SEP ) {
+ /* Uncomment the next line for PATH semantics */
+ /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */
+ p++;
+ }
}
- if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) {
+ if ( usesep && (s = strchr(p, PERLLIB_SEP)) != Nullch ) {
sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)),
(STRLEN)(s - p));
p = s + 1;
p = Nullch; /* break out */
}
#ifdef MACOS_TRADITIONAL
- if (!strchr(SvPVX(libdir), ':'))
- sv_insert(libdir, 0, 0, ":", 1);
+ if (!strchr(SvPVX(libdir), ':')) {
+ char buf[256];
+
+ sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0));
+ }
if (SvPVX(libdir)[SvCUR(libdir)-1] != ':')
sv_catpv(libdir, ":");
#endif
while (AvFILL(paramList) >= 0) {
cv = (CV*)av_shift(paramList);
- if (PL_savebegin && (paramList == PL_beginav)) {
+ if (PL_savebegin) {
+ if (paramList == PL_beginav) {
/* save PL_beginav for compiler */
- if (! PL_beginav_save)
- PL_beginav_save = newAV();
- av_push(PL_beginav_save, (SV*)cv);
+ if (! PL_beginav_save)
+ PL_beginav_save = newAV();
+ av_push(PL_beginav_save, (SV*)cv);
+ }
+ else if (paramList == PL_checkav) {
+ /* save PL_checkav for compiler */
+ if (! PL_checkav_save)
+ PL_checkav_save = newAV();
+ av_push(PL_checkav_save, (SV*)cv);
+ }
} else {
SAVEFREESV(cv);
}
atsv = ERRSV;
(void)SvPV(atsv, len);
if (len) {
- STRLEN n_a;
PL_curcop = &PL_compiling;
CopLINE_set(PL_curcop, oldline);
if (paramList == PL_beginav)
while (PL_scopestack_ix > oldscope)
LEAVE;
JMPENV_POP;
- Perl_croak(aTHX_ "%s", SvPVx(atsv, n_a));
+ Perl_croak(aTHX_ "%"SVf"", atsv);
}
break;
case 1: