Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
a411490c | 3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
51fa4eea JH |
27 | #ifdef I_FCNTL |
28 | #include <fcntl.h> | |
29 | #endif | |
30 | #ifdef I_SYS_FILE | |
31 | #include <sys/file.h> | |
32 | #endif | |
33 | ||
a687059c LW |
34 | #ifdef IAMSUID |
35 | #ifndef DOSUID | |
36 | #define DOSUID | |
37 | #endif | |
38 | #endif | |
378cc40b | 39 | |
a687059c LW |
40 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
41 | #ifdef DOSUID | |
42 | #undef DOSUID | |
43 | #endif | |
44 | #endif | |
8d063cd8 | 45 | |
873ef191 GS |
46 | #ifdef PERL_OBJECT |
47 | static I32 read_e_script _((CPerlObj* pPerl, int idx, SV *buf_sv, int maxlen)); | |
48 | #else | |
a0d0e21e | 49 | static void find_beginning _((void)); |
bbce6d69 | 50 | static void forbid_setid _((char *)); |
774d564b | 51 | static void incpush _((char *, int)); |
cb68f92d | 52 | static void init_interp _((void)); |
748a9306 | 53 | static void init_ids _((void)); |
a0d0e21e LW |
54 | static void init_debugger _((void)); |
55 | static void init_lexer _((void)); | |
56 | static void init_main_stash _((void)); | |
199100c8 | 57 | #ifdef USE_THREADS |
52e1cb5e | 58 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 59 | #endif /* USE_THREADS */ |
a0d0e21e LW |
60 | static void init_perllib _((void)); |
61 | static void init_postdump_symbols _((int, char **, char **)); | |
62 | static void init_predump_symbols _((void)); | |
f86702cc | 63 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 64 | static void nuke_stacks _((void)); |
01f988be | 65 | static void open_script _((char *, bool, SV *, int *fd)); |
ab821d7f | 66 | static void usage _((char *)); |
01f988be | 67 | static void validate_suid _((char *, char*, int)); |
afe37c7d | 68 | static I32 read_e_script _((int idx, SV *buf_sv, int maxlen)); |
76e3520e | 69 | #endif |
96436eeb | 70 | |
01f988be GS |
71 | #ifdef PERL_OBJECT |
72 | CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd, | |
73 | IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP) | |
74 | { | |
75 | CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP); | |
76 | if(pPerl != NULL) | |
77 | pPerl->Init(); | |
79072805 | 78 | |
01f988be GS |
79 | return pPerl; |
80 | } | |
81 | #else | |
93a17b20 | 82 | PerlInterpreter * |
8ac85365 | 83 | perl_alloc(void) |
79072805 | 84 | { |
93a17b20 | 85 | PerlInterpreter *sv_interp; |
79072805 | 86 | |
3280af22 | 87 | PL_curinterp = 0; |
93a17b20 | 88 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
89 | return sv_interp; |
90 | } | |
01f988be | 91 | #endif /* PERL_OBJECT */ |
79072805 LW |
92 | |
93 | void | |
76e3520e GS |
94 | #ifdef PERL_OBJECT |
95 | CPerlObj::perl_construct(void) | |
96 | #else | |
8ac85365 | 97 | perl_construct(register PerlInterpreter *sv_interp) |
76e3520e | 98 | #endif |
79072805 | 99 | { |
a863c7d1 MB |
100 | #ifdef USE_THREADS |
101 | int i; | |
102 | #ifndef FAKE_THREADS | |
52e1cb5e | 103 | struct perl_thread *thr; |
a863c7d1 MB |
104 | #endif /* FAKE_THREADS */ |
105 | #endif /* USE_THREADS */ | |
11343788 | 106 | |
76e3520e | 107 | #ifndef PERL_OBJECT |
3280af22 | 108 | if (!(PL_curinterp = sv_interp)) |
79072805 | 109 | return; |
76e3520e | 110 | #endif |
79072805 | 111 | |
8990e307 | 112 | #ifdef MULTIPLICITY |
8f872242 | 113 | ++PL_ninterps; |
93a17b20 | 114 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 115 | #endif |
79072805 | 116 | |
33f46ff6 | 117 | /* Init the real globals (and main thread)? */ |
3280af22 | 118 | if (!PL_linestr) { |
11343788 | 119 | #ifdef USE_THREADS |
8023c3ce | 120 | |
33f46ff6 | 121 | INIT_THREADS; |
d55594ae GS |
122 | #ifdef ALLOC_THREAD_KEY |
123 | ALLOC_THREAD_KEY; | |
124 | #else | |
533c011a | 125 | if (pthread_key_create(&PL_thr_key, 0)) |
a863c7d1 | 126 | croak("panic: pthread_key_create"); |
d55594ae | 127 | #endif |
533c011a | 128 | MUTEX_INIT(&PL_sv_mutex); |
a863c7d1 MB |
129 | /* |
130 | * Safe to use basic SV functions from now on (though | |
131 | * not things like mortals or tainting yet). | |
132 | */ | |
533c011a NIS |
133 | MUTEX_INIT(&PL_eval_mutex); |
134 | COND_INIT(&PL_eval_cond); | |
135 | MUTEX_INIT(&PL_threads_mutex); | |
136 | COND_INIT(&PL_nthreads_cond); | |
dce16143 | 137 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
533c011a | 138 | MUTEX_INIT(&PL_svref_mutex); |
dce16143 | 139 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ |
a863c7d1 | 140 | |
199100c8 | 141 | thr = init_main_thread(); |
11343788 MB |
142 | #endif /* USE_THREADS */ |
143 | ||
3280af22 NIS |
144 | PL_linestr = NEWSV(65,79); |
145 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 146 | |
3280af22 | 147 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
148 | /* set read-only and try to insure than we wont see REFCNT==0 |
149 | very often */ | |
150 | ||
3280af22 NIS |
151 | SvREADONLY_on(&PL_sv_undef); |
152 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 153 | |
3280af22 NIS |
154 | sv_setpv(&PL_sv_no,PL_No); |
155 | SvNV(&PL_sv_no); | |
156 | SvREADONLY_on(&PL_sv_no); | |
157 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 158 | |
3280af22 NIS |
159 | sv_setpv(&PL_sv_yes,PL_Yes); |
160 | SvNV(&PL_sv_yes); | |
161 | SvREADONLY_on(&PL_sv_yes); | |
162 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 163 | } |
79072805 | 164 | |
76e3520e GS |
165 | #ifdef PERL_OBJECT |
166 | /* TODO: */ | |
6b88bc9c | 167 | /* PL_sighandlerp = sighandler; */ |
76e3520e | 168 | #else |
3280af22 | 169 | PL_sighandlerp = sighandler; |
76e3520e | 170 | #endif |
3280af22 | 171 | PL_pidstatus = newHV(); |
44a8e56a | 172 | |
79072805 LW |
173 | #ifdef MSDOS |
174 | /* | |
175 | * There is no way we can refer to them from Perl so close them to save | |
176 | * space. The other alternative would be to provide STDAUX and STDPRN | |
177 | * filehandles. | |
178 | */ | |
179 | (void)fclose(stdaux); | |
180 | (void)fclose(stdprn); | |
181 | #endif | |
182 | } | |
183 | ||
3280af22 NIS |
184 | PL_nrs = newSVpv("\n", 1); |
185 | PL_rs = SvREFCNT_inc(PL_nrs); | |
dc92893f | 186 | |
1a441de9 | 187 | init_stacks(ARGS); |
8990e307 | 188 | #ifdef MULTIPLICITY |
cb68f92d | 189 | init_interp(); |
8f872242 | 190 | PL_perl_destruct_level = 1; |
8ebc5c01 | 191 | #else |
3280af22 | 192 | if (PL_perl_destruct_level > 0) |
cb68f92d | 193 | init_interp(); |
79072805 LW |
194 | #endif |
195 | ||
748a9306 | 196 | init_ids(); |
3280af22 | 197 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 198 | |
3280af22 NIS |
199 | PL_start_env.je_prev = NULL; |
200 | PL_start_env.je_ret = -1; | |
201 | PL_start_env.je_mustcatch = TRUE; | |
202 | PL_top_env = &PL_start_env; | |
f86702cc | 203 | STATUS_ALL_SUCCESS; |
204 | ||
36477c24 | 205 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 206 | #if defined(SUBVERSION) && SUBVERSION > 0 |
3280af22 | 207 | sprintf(PL_patchlevel, "%7.5f", (double) 5 |
e2666263 | 208 | + ((double) PATCHLEVEL / (double) 1000) |
209 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 210 | #else |
6b88bc9c | 211 | sprintf(PL_patchlevel, "%5.3f", (double) 5 + |
e2666263 | 212 | ((double) PATCHLEVEL / (double) 1000)); |
a5f75d66 | 213 | #endif |
79072805 | 214 | |
ab821d7f | 215 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 216 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 217 | #endif |
218 | ||
4b556e6c | 219 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 220 | |
3280af22 NIS |
221 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
222 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 223 | |
11343788 | 224 | DEBUG( { |
3280af22 NIS |
225 | New(51,PL_debname,128,char); |
226 | New(52,PL_debdelim,128,char); | |
11343788 MB |
227 | } ) |
228 | ||
8990e307 | 229 | ENTER; |
79072805 LW |
230 | } |
231 | ||
232 | void | |
76e3520e GS |
233 | #ifdef PERL_OBJECT |
234 | CPerlObj::perl_destruct(void) | |
235 | #else | |
8ac85365 | 236 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e | 237 | #endif |
79072805 | 238 | { |
11343788 | 239 | dTHR; |
748a9306 | 240 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 241 | I32 last_sv_count; |
a0d0e21e | 242 | HV *hv; |
1f2bfc8a | 243 | #ifdef USE_THREADS |
33f46ff6 | 244 | Thread t; |
1f2bfc8a | 245 | #endif /* USE_THREADS */ |
8990e307 | 246 | |
76e3520e | 247 | #ifndef PERL_OBJECT |
3280af22 | 248 | if (!(PL_curinterp = sv_interp)) |
79072805 | 249 | return; |
76e3520e | 250 | #endif |
748a9306 | 251 | |
11343788 | 252 | #ifdef USE_THREADS |
0f15f207 | 253 | #ifndef FAKE_THREADS |
8023c3ce MB |
254 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
255 | retry_cleanup: | |
533c011a | 256 | MUTEX_LOCK(&PL_threads_mutex); |
8b73bbec | 257 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 258 | "perl_destruct: waiting for %d threads...\n", |
533c011a | 259 | PL_nthreads - 1)); |
33f46ff6 | 260 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 MB |
261 | MUTEX_LOCK(&t->mutex); |
262 | switch (ThrSTATE(t)) { | |
263 | AV *av; | |
c7848ba1 | 264 | case THRf_ZOMBIE: |
8b73bbec | 265 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 266 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 MB |
267 | ThrSETSTATE(t, THRf_DEAD); |
268 | MUTEX_UNLOCK(&t->mutex); | |
533c011a | 269 | PL_nthreads--; |
8023c3ce MB |
270 | /* |
271 | * The SvREFCNT_dec below may take a long time (e.g. av | |
272 | * may contain an object scalar whose destructor gets | |
273 | * called) so we have to unlock threads_mutex and start | |
274 | * all over again. | |
275 | */ | |
533c011a | 276 | MUTEX_UNLOCK(&PL_threads_mutex); |
ea0efc06 | 277 | JOIN(t, &av); |
605e5515 | 278 | SvREFCNT_dec((SV*)av); |
8b73bbec | 279 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 280 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce | 281 | goto retry_cleanup; |
c7848ba1 | 282 | case THRf_R_JOINABLE: |
8b73bbec | 283 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 MB |
284 | "perl_destruct: detaching thread %p\n", t)); |
285 | ThrSETSTATE(t, THRf_R_DETACHED); | |
286 | /* | |
287 | * We unlock threads_mutex and t->mutex in the opposite order | |
288 | * from which we locked them just so that DETACH won't | |
289 | * deadlock if it panics. It's only a breach of good style | |
290 | * not a bug since they are unlocks not locks. | |
291 | */ | |
533c011a | 292 | MUTEX_UNLOCK(&PL_threads_mutex); |
c7848ba1 MB |
293 | DETACH(t); |
294 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 295 | goto retry_cleanup; |
c7848ba1 | 296 | default: |
8b73bbec | 297 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 MB |
298 | "perl_destruct: ignoring %p (state %u)\n", |
299 | t, ThrSTATE(t))); | |
300 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 301 | /* fall through and out */ |
33f46ff6 MB |
302 | } |
303 | } | |
8023c3ce MB |
304 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
305 | ||
306 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
533c011a | 307 | while (PL_nthreads > 1) |
11343788 | 308 | { |
8b73bbec | 309 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 310 | "perl_destruct: final wait for %d threads\n", |
533c011a NIS |
311 | PL_nthreads - 1)); |
312 | COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex); | |
11343788 MB |
313 | } |
314 | /* At this point, we're the last thread */ | |
533c011a | 315 | MUTEX_UNLOCK(&PL_threads_mutex); |
8b73bbec | 316 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
533c011a NIS |
317 | MUTEX_DESTROY(&PL_threads_mutex); |
318 | COND_DESTROY(&PL_nthreads_cond); | |
0f15f207 | 319 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
320 | #endif /* USE_THREADS */ |
321 | ||
3280af22 | 322 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
323 | #ifdef DEBUGGING |
324 | { | |
325 | char *s; | |
76e3520e | 326 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 327 | int i = atoi(s); |
328 | if (destruct_level < i) | |
329 | destruct_level = i; | |
330 | } | |
4633a7c4 LW |
331 | } |
332 | #endif | |
333 | ||
8990e307 | 334 | LEAVE; |
a0d0e21e LW |
335 | FREETMPS; |
336 | ||
cb68f92d | 337 | #ifdef MULTIPLICITY |
8f872242 | 338 | --PL_ninterps; |
cb68f92d GS |
339 | #endif |
340 | ||
ff0cee69 | 341 | /* We must account for everything. */ |
342 | ||
343 | /* Destroy the main CV and syntax tree */ | |
3280af22 NIS |
344 | if (PL_main_root) { |
345 | PL_curpad = AvARRAY(PL_comppad); | |
346 | op_free(PL_main_root); | |
347 | PL_main_root = Nullop; | |
a0d0e21e | 348 | } |
3280af22 NIS |
349 | PL_curcop = &PL_compiling; |
350 | PL_main_start = Nullop; | |
351 | SvREFCNT_dec(PL_main_cv); | |
352 | PL_main_cv = Nullcv; | |
ff0cee69 | 353 | |
3280af22 | 354 | if (PL_sv_objcount) { |
a0d0e21e LW |
355 | /* |
356 | * Try to destruct global references. We do this first so that the | |
357 | * destructors and destructees still exist. Some sv's might remain. | |
358 | * Non-referenced objects are on their own. | |
359 | */ | |
360 | ||
3280af22 | 361 | PL_dirty = TRUE; |
a0d0e21e | 362 | sv_clean_objs(); |
8990e307 LW |
363 | } |
364 | ||
5cd24f17 | 365 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
366 | SvREFCNT_dec(PL_warnhook); |
367 | PL_warnhook = Nullsv; | |
368 | SvREFCNT_dec(PL_diehook); | |
369 | PL_diehook = Nullsv; | |
370 | SvREFCNT_dec(PL_parsehook); | |
371 | PL_parsehook = Nullsv; | |
5cd24f17 | 372 | |
4b556e6c | 373 | /* call exit list functions */ |
3280af22 NIS |
374 | while (PL_exitlistlen-- > 0) |
375 | PL_exitlist[PL_exitlistlen].fn(PERL_OBJECT_THIS_ PL_exitlist[PL_exitlistlen].ptr); | |
4b556e6c | 376 | |
3280af22 | 377 | Safefree(PL_exitlist); |
4b556e6c | 378 | |
a0d0e21e | 379 | if (destruct_level == 0){ |
8990e307 | 380 | |
a0d0e21e LW |
381 | DEBUG_P(debprofdump()); |
382 | ||
383 | /* The exit() function will do everything that needs doing. */ | |
384 | return; | |
385 | } | |
5dd60ef7 | 386 | |
5f05dabc | 387 | /* loosen bonds of global variables */ |
388 | ||
3280af22 NIS |
389 | if(PL_rsfp) { |
390 | (void)PerlIO_close(PL_rsfp); | |
391 | PL_rsfp = Nullfp; | |
8ebc5c01 | 392 | } |
393 | ||
394 | /* Filters for program text */ | |
3280af22 NIS |
395 | SvREFCNT_dec(PL_rsfp_filters); |
396 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 397 | |
398 | /* switches */ | |
3280af22 NIS |
399 | PL_preprocess = FALSE; |
400 | PL_minus_n = FALSE; | |
401 | PL_minus_p = FALSE; | |
402 | PL_minus_l = FALSE; | |
403 | PL_minus_a = FALSE; | |
404 | PL_minus_F = FALSE; | |
405 | PL_doswitches = FALSE; | |
406 | PL_dowarn = FALSE; | |
407 | PL_doextract = FALSE; | |
408 | PL_sawampersand = FALSE; /* must save all match strings */ | |
409 | PL_sawstudy = FALSE; /* do fbm_instr on all strings */ | |
410 | PL_sawvec = FALSE; | |
411 | PL_unsafe = FALSE; | |
412 | ||
413 | Safefree(PL_inplace); | |
414 | PL_inplace = Nullch; | |
415 | ||
416 | if (PL_e_script) { | |
417 | SvREFCNT_dec(PL_e_script); | |
418 | PL_e_script = Nullsv; | |
8ebc5c01 | 419 | } |
420 | ||
421 | /* magical thingies */ | |
422 | ||
3280af22 NIS |
423 | Safefree(PL_ofs); /* $, */ |
424 | PL_ofs = Nullch; | |
5f05dabc | 425 | |
3280af22 NIS |
426 | Safefree(PL_ors); /* $\ */ |
427 | PL_ors = Nullch; | |
8ebc5c01 | 428 | |
3280af22 NIS |
429 | SvREFCNT_dec(PL_rs); /* $/ */ |
430 | PL_rs = Nullsv; | |
dc92893f | 431 | |
3280af22 NIS |
432 | SvREFCNT_dec(PL_nrs); /* $/ helper */ |
433 | PL_nrs = Nullsv; | |
5f05dabc | 434 | |
3280af22 | 435 | PL_multiline = 0; /* $* */ |
5f05dabc | 436 | |
3280af22 NIS |
437 | SvREFCNT_dec(PL_statname); |
438 | PL_statname = Nullsv; | |
439 | PL_statgv = Nullgv; | |
5f05dabc | 440 | |
8ebc5c01 | 441 | /* defgv, aka *_ should be taken care of elsewhere */ |
442 | ||
8ebc5c01 | 443 | /* clean up after study() */ |
3280af22 NIS |
444 | SvREFCNT_dec(PL_lastscream); |
445 | PL_lastscream = Nullsv; | |
446 | Safefree(PL_screamfirst); | |
447 | PL_screamfirst = 0; | |
448 | Safefree(PL_screamnext); | |
449 | PL_screamnext = 0; | |
8ebc5c01 | 450 | |
451 | /* startup and shutdown function lists */ | |
3280af22 NIS |
452 | SvREFCNT_dec(PL_beginav); |
453 | SvREFCNT_dec(PL_endav); | |
454 | SvREFCNT_dec(PL_initav); | |
455 | PL_beginav = Nullav; | |
456 | PL_endav = Nullav; | |
457 | PL_initav = Nullav; | |
5618dfe8 | 458 | |
8ebc5c01 | 459 | /* shortcuts just get cleared */ |
3280af22 NIS |
460 | PL_envgv = Nullgv; |
461 | PL_siggv = Nullgv; | |
462 | PL_incgv = Nullgv; | |
463 | PL_hintgv = Nullgv; | |
464 | PL_errgv = Nullgv; | |
465 | PL_argvgv = Nullgv; | |
466 | PL_argvoutgv = Nullgv; | |
467 | PL_stdingv = Nullgv; | |
468 | PL_last_in_gv = Nullgv; | |
469 | PL_replgv = Nullgv; | |
8ebc5c01 | 470 | |
471 | /* reset so print() ends up where we expect */ | |
472 | setdefout(Nullgv); | |
473 | ||
a0d0e21e | 474 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 475 | |
3280af22 NIS |
476 | hv = PL_defstash; |
477 | PL_defstash = 0; | |
a0d0e21e LW |
478 | SvREFCNT_dec(hv); |
479 | ||
480 | FREETMPS; | |
481 | if (destruct_level >= 2) { | |
3280af22 | 482 | if (PL_scopestack_ix != 0) |
ff0cee69 | 483 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
484 | (long)PL_scopestack_ix); |
485 | if (PL_savestack_ix != 0) | |
ff0cee69 | 486 | warn("Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
487 | (long)PL_savestack_ix); |
488 | if (PL_tmps_floor != -1) | |
ff0cee69 | 489 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 490 | (long)PL_tmps_floor + 1); |
a0d0e21e | 491 | if (cxstack_ix != -1) |
ff0cee69 | 492 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
493 | (long)cxstack_ix + 1); | |
a0d0e21e | 494 | } |
8990e307 LW |
495 | |
496 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 497 | last_sv_count = 0; |
3280af22 NIS |
498 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
499 | while (PL_sv_count != 0 && PL_sv_count != last_sv_count) { | |
500 | last_sv_count = PL_sv_count; | |
8990e307 LW |
501 | sv_clean_all(); |
502 | } | |
3280af22 NIS |
503 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
504 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
6e72f9df | 505 | |
506 | /* Destruct the global string table. */ | |
507 | { | |
508 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
509 | * so that sv_free() won't fail on them. | |
510 | */ | |
511 | I32 riter; | |
512 | I32 max; | |
513 | HE *hent; | |
514 | HE **array; | |
515 | ||
516 | riter = 0; | |
3280af22 NIS |
517 | max = HvMAX(PL_strtab); |
518 | array = HvARRAY(PL_strtab); | |
6e72f9df | 519 | hent = array[0]; |
520 | for (;;) { | |
521 | if (hent) { | |
522 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
523 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
524 | HeVAL(hent) = Nullsv; | |
525 | hent = HeNEXT(hent); | |
526 | } | |
527 | if (!hent) { | |
528 | if (++riter > max) | |
529 | break; | |
530 | hent = array[riter]; | |
531 | } | |
532 | } | |
533 | } | |
3280af22 | 534 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 535 | |
3280af22 NIS |
536 | if (PL_sv_count != 0) |
537 | warn("Scalars leaked: %ld\n", (long)PL_sv_count); | |
6e72f9df | 538 | |
4633a7c4 | 539 | sv_free_arenas(); |
44a8e56a | 540 | |
541 | /* No SVs have survived, need to clean out */ | |
3280af22 NIS |
542 | PL_linestr = NULL; |
543 | PL_pidstatus = Nullhv; | |
544 | Safefree(PL_origfilename); | |
545 | Safefree(PL_archpat_auto); | |
546 | Safefree(PL_reg_start_tmp); | |
547 | Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh)); | |
548 | Safefree(PL_op_mask); | |
6e72f9df | 549 | nuke_stacks(); |
3280af22 | 550 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
551 | |
552 | DEBUG_P(debprofdump()); | |
11343788 | 553 | #ifdef USE_THREADS |
533c011a NIS |
554 | MUTEX_DESTROY(&PL_sv_mutex); |
555 | MUTEX_DESTROY(&PL_eval_mutex); | |
556 | COND_DESTROY(&PL_eval_cond); | |
fc36a67e | 557 | |
8023c3ce | 558 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
533c011a NIS |
559 | Safefree(SvPVX(PL_thrsv)); |
560 | Safefree(SvANY(PL_thrsv)); | |
561 | Safefree(PL_thrsv); | |
562 | PL_thrsv = Nullsv; | |
8023c3ce MB |
563 | #endif /* USE_THREADS */ |
564 | ||
fc36a67e | 565 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
566 | ||
3280af22 | 567 | if (PL_mess_sv) { |
9c63abab GS |
568 | /* it could have accumulated taint magic */ |
569 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
570 | MAGIC* mg; | |
571 | MAGIC* moremagic; | |
572 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
573 | moremagic = mg->mg_moremagic; | |
574 | if (mg->mg_ptr && mg->mg_type != 'g' && mg->mg_len >= 0) | |
575 | Safefree(mg->mg_ptr); | |
576 | Safefree(mg); | |
577 | } | |
578 | } | |
fc36a67e | 579 | /* we know that type >= SVt_PV */ |
3280af22 NIS |
580 | SvOOK_off(PL_mess_sv); |
581 | Safefree(SvPVX(PL_mess_sv)); | |
582 | Safefree(SvANY(PL_mess_sv)); | |
583 | Safefree(PL_mess_sv); | |
584 | PL_mess_sv = Nullsv; | |
fc36a67e | 585 | } |
79072805 LW |
586 | } |
587 | ||
588 | void | |
76e3520e GS |
589 | #ifdef PERL_OBJECT |
590 | CPerlObj::perl_free(void) | |
591 | #else | |
8ac85365 | 592 | perl_free(PerlInterpreter *sv_interp) |
76e3520e | 593 | #endif |
79072805 | 594 | { |
76e3520e | 595 | #ifdef PERL_OBJECT |
565764a8 | 596 | Safefree(this); |
76e3520e | 597 | #else |
3280af22 | 598 | if (!(PL_curinterp = sv_interp)) |
79072805 LW |
599 | return; |
600 | Safefree(sv_interp); | |
76e3520e | 601 | #endif |
79072805 LW |
602 | } |
603 | ||
4b556e6c | 604 | void |
873ef191 GS |
605 | #ifdef PERL_OBJECT |
606 | CPerlObj::perl_atexit(void (*fn) (CPerlObj*,void *), void *ptr) | |
607 | #else | |
4b556e6c | 608 | perl_atexit(void (*fn) (void *), void *ptr) |
873ef191 | 609 | #endif |
4b556e6c | 610 | { |
3280af22 NIS |
611 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
612 | PL_exitlist[PL_exitlistlen].fn = fn; | |
613 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
614 | ++PL_exitlistlen; | |
4b556e6c JD |
615 | } |
616 | ||
79072805 | 617 | int |
76e3520e GS |
618 | #ifdef PERL_OBJECT |
619 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) | |
620 | #else | |
8ac85365 | 621 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e | 622 | #endif |
8d063cd8 | 623 | { |
11343788 | 624 | dTHR; |
6224f72b GS |
625 | register SV *sv; |
626 | register char *s; | |
627 | char *scriptname = NULL; | |
628 | VOL bool dosearch = FALSE; | |
629 | char *validarg = ""; | |
630 | I32 oldscope; | |
631 | AV* comppadlist; | |
632 | dJMPENV; | |
633 | int ret; | |
634 | int fdscript = -1; | |
8d063cd8 | 635 | |
a687059c LW |
636 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
637 | #ifdef IAMSUID | |
638 | #undef IAMSUID | |
463ee0b2 | 639 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
640 | setuid perl scripts securely.\n"); |
641 | #endif | |
642 | #endif | |
643 | ||
76e3520e | 644 | #ifndef PERL_OBJECT |
3280af22 | 645 | if (!(PL_curinterp = sv_interp)) |
79072805 | 646 | return 255; |
76e3520e | 647 | #endif |
79072805 | 648 | |
6e72f9df | 649 | #if defined(NeXT) && defined(__DYNAMIC__) |
650 | _dyld_lookup_and_bind | |
651 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
652 | #endif /* environ */ | |
653 | ||
3280af22 NIS |
654 | PL_origargv = argv; |
655 | PL_origargc = argc; | |
a0d0e21e | 656 | #ifndef VMS /* VMS doesn't have environ array */ |
3280af22 | 657 | PL_origenviron = environ; |
a0d0e21e LW |
658 | #endif |
659 | ||
3280af22 | 660 | if (PL_do_undump) { |
a0d0e21e LW |
661 | |
662 | /* Come here if running an undumped a.out. */ | |
663 | ||
3280af22 NIS |
664 | PL_origfilename = savepv(argv[0]); |
665 | PL_do_undump = FALSE; | |
a0d0e21e | 666 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 667 | init_ids(); |
a0d0e21e LW |
668 | init_postdump_symbols(argc,argv,env); |
669 | return 0; | |
670 | } | |
671 | ||
3280af22 NIS |
672 | if (PL_main_root) { |
673 | PL_curpad = AvARRAY(PL_comppad); | |
674 | op_free(PL_main_root); | |
675 | PL_main_root = Nullop; | |
ff0cee69 | 676 | } |
3280af22 NIS |
677 | PL_main_start = Nullop; |
678 | SvREFCNT_dec(PL_main_cv); | |
679 | PL_main_cv = Nullcv; | |
79072805 | 680 | |
3280af22 NIS |
681 | time(&PL_basetime); |
682 | oldscope = PL_scopestack_ix; | |
f86702cc | 683 | |
6224f72b GS |
684 | JMPENV_PUSH(ret); |
685 | switch (ret) { | |
686 | case 1: | |
687 | STATUS_ALL_FAILURE; | |
688 | /* FALL THROUGH */ | |
689 | case 2: | |
690 | /* my_exit() was called */ | |
3280af22 | 691 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
692 | LEAVE; |
693 | FREETMPS; | |
3280af22 NIS |
694 | PL_curstash = PL_defstash; |
695 | if (PL_endav) | |
696 | call_list(oldscope, PL_endav); | |
6224f72b GS |
697 | JMPENV_POP; |
698 | return STATUS_NATIVE_EXPORT; | |
699 | case 3: | |
700 | JMPENV_POP; | |
701 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); | |
702 | return 1; | |
703 | } | |
79072805 | 704 | |
3280af22 | 705 | sv_setpvn(PL_linestr,"",0); |
6224f72b GS |
706 | sv = newSVpv("",0); /* first used for -I flags */ |
707 | SAVEFREESV(sv); | |
708 | init_main_stash(); | |
54310121 | 709 | |
6224f72b GS |
710 | for (argc--,argv++; argc > 0; argc--,argv++) { |
711 | if (argv[0][0] != '-' || !argv[0][1]) | |
712 | break; | |
713 | #ifdef DOSUID | |
714 | if (*validarg) | |
715 | validarg = " PHOOEY "; | |
716 | else | |
717 | validarg = argv[0]; | |
13281fa4 | 718 | #endif |
6224f72b GS |
719 | s = argv[0]+1; |
720 | reswitch: | |
721 | switch (*s) { | |
722 | case ' ': | |
723 | case '0': | |
724 | case 'F': | |
725 | case 'a': | |
726 | case 'c': | |
727 | case 'd': | |
728 | case 'D': | |
729 | case 'h': | |
730 | case 'i': | |
731 | case 'l': | |
732 | case 'M': | |
733 | case 'm': | |
734 | case 'n': | |
735 | case 'p': | |
736 | case 's': | |
737 | case 'u': | |
738 | case 'U': | |
739 | case 'v': | |
740 | case 'w': | |
741 | if (s = moreswitches(s)) | |
742 | goto reswitch; | |
743 | break; | |
33b78306 | 744 | |
6224f72b | 745 | case 'T': |
3280af22 | 746 | PL_tainting = TRUE; |
6224f72b GS |
747 | s++; |
748 | goto reswitch; | |
f86702cc | 749 | |
6224f72b | 750 | case 'e': |
3280af22 | 751 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
6224f72b | 752 | croak("No -e allowed in setuid scripts"); |
3280af22 NIS |
753 | if (!PL_e_script) { |
754 | PL_e_script = newSVpv("",0); | |
6224f72b GS |
755 | filter_add(read_e_script, NULL); |
756 | } | |
757 | if (*++s) | |
3280af22 | 758 | sv_catpv(PL_e_script, s); |
6224f72b | 759 | else if (argv[1]) { |
3280af22 | 760 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
761 | argc--,argv++; |
762 | } | |
763 | else | |
764 | croak("No code specified for -e"); | |
3280af22 | 765 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 766 | break; |
afe37c7d | 767 | |
6224f72b GS |
768 | case 'I': /* -I handled both here and in moreswitches() */ |
769 | forbid_setid("-I"); | |
770 | if (!*++s && (s=argv[1]) != Nullch) { | |
771 | argc--,argv++; | |
772 | } | |
773 | while (s && isSPACE(*s)) | |
774 | ++s; | |
775 | if (s && *s) { | |
776 | char *e, *p; | |
777 | for (e = s; *e && !isSPACE(*e); e++) ; | |
778 | p = savepvn(s, e-s); | |
779 | incpush(p, TRUE); | |
780 | sv_catpv(sv,"-I"); | |
781 | sv_catpv(sv,p); | |
782 | sv_catpv(sv," "); | |
783 | Safefree(p); | |
784 | } /* XXX else croak? */ | |
785 | break; | |
786 | case 'P': | |
787 | forbid_setid("-P"); | |
3280af22 | 788 | PL_preprocess = TRUE; |
6224f72b GS |
789 | s++; |
790 | goto reswitch; | |
791 | case 'S': | |
792 | forbid_setid("-S"); | |
793 | dosearch = TRUE; | |
794 | s++; | |
795 | goto reswitch; | |
796 | case 'V': | |
3280af22 NIS |
797 | if (!PL_preambleav) |
798 | PL_preambleav = newAV(); | |
799 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 800 | if (*++s != ':') { |
3280af22 | 801 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 802 | #ifdef VMS |
6b88bc9c | 803 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 804 | #else |
3280af22 | 805 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b GS |
806 | #endif |
807 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) | |
3280af22 | 808 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 809 | # ifdef DEBUGGING |
3280af22 | 810 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b GS |
811 | # endif |
812 | # ifdef NO_EMBED | |
6b88bc9c | 813 | sv_catpv(PL_Sv," NO_EMBED"); |
6224f72b GS |
814 | # endif |
815 | # ifdef MULTIPLICITY | |
8f872242 | 816 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 817 | # endif |
3280af22 | 818 | sv_catpv(PL_Sv,"\\n\","); |
6224f72b GS |
819 | #endif |
820 | #if defined(LOCAL_PATCH_COUNT) | |
821 | if (LOCAL_PATCH_COUNT > 0) { | |
822 | int i; | |
3280af22 | 823 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 824 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 NIS |
825 | if (PL_localpatches[i]) |
826 | sv_catpvf(PL_Sv,"\" \\t%s\\n\",",PL_localpatches[i]); | |
6224f72b GS |
827 | } |
828 | } | |
829 | #endif | |
3280af22 | 830 | sv_catpvf(PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
831 | #ifdef __DATE__ |
832 | # ifdef __TIME__ | |
3280af22 | 833 | sv_catpvf(PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 834 | # else |
6b88bc9c | 835 | sv_catpvf(PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
836 | # endif |
837 | #endif | |
3280af22 | 838 | sv_catpv(PL_Sv, "; \ |
6224f72b GS |
839 | $\"=\"\\n \"; \ |
840 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
841 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
842 | print \" \\@INC:\\n @INC\\n\";"); | |
843 | } | |
844 | else { | |
3280af22 NIS |
845 | PL_Sv = newSVpv("config_vars(qw(",0); |
846 | sv_catpv(PL_Sv, ++s); | |
847 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
848 | s += strlen(s); |
849 | } | |
3280af22 | 850 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
851 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
852 | goto reswitch; | |
853 | case 'x': | |
3280af22 | 854 | PL_doextract = TRUE; |
6224f72b GS |
855 | s++; |
856 | if (*s) | |
3280af22 | 857 | PL_cddir = savepv(s); |
6224f72b GS |
858 | break; |
859 | case 0: | |
860 | break; | |
861 | case '-': | |
862 | if (!*++s || isSPACE(*s)) { | |
863 | argc--,argv++; | |
864 | goto switch_end; | |
865 | } | |
866 | /* catch use of gnu style long options */ | |
867 | if (strEQ(s, "version")) { | |
868 | s = "v"; | |
869 | goto reswitch; | |
870 | } | |
871 | if (strEQ(s, "help")) { | |
872 | s = "h"; | |
873 | goto reswitch; | |
874 | } | |
875 | s--; | |
876 | /* FALL THROUGH */ | |
877 | default: | |
878 | croak("Unrecognized switch: -%s (-h will show valid options)",s); | |
8d063cd8 LW |
879 | } |
880 | } | |
6224f72b | 881 | switch_end: |
54310121 | 882 | |
3280af22 | 883 | if (!PL_tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
6224f72b GS |
884 | while (s && *s) { |
885 | while (isSPACE(*s)) | |
886 | s++; | |
887 | if (*s == '-') { | |
888 | s++; | |
889 | if (isSPACE(*s)) | |
890 | continue; | |
891 | } | |
892 | if (!*s) | |
893 | break; | |
894 | if (!strchr("DIMUdmw", *s)) | |
895 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
896 | s = moreswitches(s); | |
897 | } | |
898 | } | |
a0d0e21e | 899 | |
6224f72b GS |
900 | if (!scriptname) |
901 | scriptname = argv[0]; | |
3280af22 | 902 | if (PL_e_script) { |
6224f72b GS |
903 | argc++,argv--; |
904 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
905 | } | |
906 | else if (scriptname == Nullch) { | |
907 | #ifdef MSDOS | |
908 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
909 | moreswitches("h"); | |
910 | #endif | |
911 | scriptname = "-"; | |
912 | } | |
913 | ||
914 | init_perllib(); | |
915 | ||
916 | open_script(scriptname,dosearch,sv,&fdscript); | |
917 | ||
918 | validate_suid(validarg, scriptname,fdscript); | |
919 | ||
3280af22 | 920 | if (PL_doextract) |
6224f72b GS |
921 | find_beginning(); |
922 | ||
3280af22 NIS |
923 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
924 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
925 | CvUNIQUE_on(PL_compcv); | |
926 | ||
927 | PL_comppad = newAV(); | |
928 | av_push(PL_comppad, Nullsv); | |
929 | PL_curpad = AvARRAY(PL_comppad); | |
930 | PL_comppad_name = newAV(); | |
931 | PL_comppad_name_fill = 0; | |
932 | PL_min_intro_pending = 0; | |
933 | PL_padix = 0; | |
6224f72b | 934 | #ifdef USE_THREADS |
533c011a NIS |
935 | av_store(PL_comppad_name, 0, newSVpv("@_", 2)); |
936 | PL_curpad[0] = (SV*)newAV(); | |
937 | SvPADMY_on(PL_curpad[0]); /* XXX Needed? */ | |
938 | CvOWNER(PL_compcv) = 0; | |
939 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
940 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
6224f72b GS |
941 | #endif /* USE_THREADS */ |
942 | ||
943 | comppadlist = newAV(); | |
944 | AvREAL_off(comppadlist); | |
3280af22 NIS |
945 | av_store(comppadlist, 0, (SV*)PL_comppad_name); |
946 | av_store(comppadlist, 1, (SV*)PL_comppad); | |
947 | CvPADLIST(PL_compcv) = comppadlist; | |
6224f72b GS |
948 | |
949 | boot_core_UNIVERSAL(); | |
950 | ||
951 | if (xsinit) | |
952 | (*xsinit)(PERL_OBJECT_THIS); /* in case linked C routines want magical variables */ | |
953 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) | |
954 | init_os_extras(); | |
955 | #endif | |
956 | ||
957 | init_predump_symbols(); | |
958 | /* init_postdump_symbols not currently designed to be called */ | |
959 | /* more than once (ENV isn't cleared first, for example) */ | |
960 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 961 | if (!PL_do_undump) |
6224f72b GS |
962 | init_postdump_symbols(argc,argv,env); |
963 | ||
964 | init_lexer(); | |
965 | ||
966 | /* now parse the script */ | |
967 | ||
968 | SETERRNO(0,SS$_NORMAL); | |
3280af22 NIS |
969 | PL_error_count = 0; |
970 | if (yyparse() || PL_error_count) { | |
971 | if (PL_minus_c) | |
972 | croak("%s had compilation errors.\n", PL_origfilename); | |
6224f72b GS |
973 | else { |
974 | croak("Execution of %s aborted due to compilation errors.\n", | |
3280af22 | 975 | PL_origfilename); |
6224f72b GS |
976 | } |
977 | } | |
3280af22 NIS |
978 | PL_curcop->cop_line = 0; |
979 | PL_curstash = PL_defstash; | |
980 | PL_preprocess = FALSE; | |
981 | if (PL_e_script) { | |
982 | SvREFCNT_dec(PL_e_script); | |
983 | PL_e_script = Nullsv; | |
6224f72b GS |
984 | } |
985 | ||
986 | /* now that script is parsed, we can modify record separator */ | |
3280af22 NIS |
987 | SvREFCNT_dec(PL_rs); |
988 | PL_rs = SvREFCNT_inc(PL_nrs); | |
989 | sv_setsv(perl_get_sv("/", TRUE), PL_rs); | |
990 | if (PL_do_undump) | |
6224f72b GS |
991 | my_unexec(); |
992 | ||
3280af22 NIS |
993 | if (PL_dowarn) |
994 | gv_check(PL_defstash); | |
6224f72b GS |
995 | |
996 | LEAVE; | |
997 | FREETMPS; | |
998 | ||
999 | #ifdef MYMALLOC | |
1000 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1001 | dump_mstats("after compilation:"); | |
1002 | #endif | |
1003 | ||
1004 | ENTER; | |
3280af22 | 1005 | PL_restartop = 0; |
6224f72b GS |
1006 | JMPENV_POP; |
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | int | |
1011 | #ifdef PERL_OBJECT | |
1012 | CPerlObj::perl_run(void) | |
1013 | #else | |
1014 | perl_run(PerlInterpreter *sv_interp) | |
1015 | #endif | |
1016 | { | |
1017 | dSP; | |
1018 | I32 oldscope; | |
1019 | dJMPENV; | |
1020 | int ret; | |
1021 | ||
1022 | #ifndef PERL_OBJECT | |
3280af22 | 1023 | if (!(PL_curinterp = sv_interp)) |
6224f72b GS |
1024 | return 255; |
1025 | #endif | |
1026 | ||
3280af22 | 1027 | oldscope = PL_scopestack_ix; |
6224f72b GS |
1028 | |
1029 | JMPENV_PUSH(ret); | |
1030 | switch (ret) { | |
1031 | case 1: | |
1032 | cxstack_ix = -1; /* start context stack again */ | |
1033 | break; | |
1034 | case 2: | |
1035 | /* my_exit() was called */ | |
3280af22 | 1036 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1037 | LEAVE; |
1038 | FREETMPS; | |
3280af22 NIS |
1039 | PL_curstash = PL_defstash; |
1040 | if (PL_endav) | |
1041 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1042 | #ifdef MYMALLOC |
1043 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1044 | dump_mstats("after execution: "); | |
1045 | #endif | |
1046 | JMPENV_POP; | |
1047 | return STATUS_NATIVE_EXPORT; | |
1048 | case 3: | |
3280af22 | 1049 | if (!PL_restartop) { |
6224f72b GS |
1050 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
1051 | FREETMPS; | |
1052 | JMPENV_POP; | |
1053 | return 1; | |
1054 | } | |
3280af22 | 1055 | POPSTACK_TO(PL_mainstack); |
6224f72b GS |
1056 | break; |
1057 | } | |
1058 | ||
1059 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", | |
3280af22 | 1060 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1061 | |
3280af22 | 1062 | if (!PL_restartop) { |
6224f72b GS |
1063 | DEBUG_x(dump_all()); |
1064 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
8b73bbec | 1065 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
6224f72b | 1066 | (unsigned long) thr)); |
6224f72b | 1067 | |
3280af22 NIS |
1068 | if (PL_minus_c) { |
1069 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", PL_origfilename); | |
6224f72b GS |
1070 | my_exit(0); |
1071 | } | |
3280af22 NIS |
1072 | if (PERLDB_SINGLE && PL_DBsingle) |
1073 | sv_setiv(PL_DBsingle, 1); | |
1074 | if (PL_initav) | |
1075 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1076 | } |
1077 | ||
1078 | /* do it */ | |
1079 | ||
3280af22 | 1080 | if (PL_restartop) { |
533c011a | 1081 | PL_op = PL_restartop; |
3280af22 | 1082 | PL_restartop = 0; |
6224f72b GS |
1083 | CALLRUNOPS(); |
1084 | } | |
3280af22 NIS |
1085 | else if (PL_main_start) { |
1086 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1087 | PL_op = PL_main_start; |
6224f72b GS |
1088 | CALLRUNOPS(); |
1089 | } | |
1090 | ||
1091 | my_exit(0); | |
1092 | /* NOTREACHED */ | |
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | SV* | |
1097 | perl_get_sv(char *name, I32 create) | |
1098 | { | |
1099 | GV *gv; | |
1100 | #ifdef USE_THREADS | |
1101 | if (name[1] == '\0' && !isALPHA(name[0])) { | |
1102 | PADOFFSET tmp = find_threadsv(name); | |
1103 | if (tmp != NOT_IN_PAD) { | |
1104 | dTHR; | |
1105 | return THREADSV(tmp); | |
1106 | } | |
1107 | } | |
1108 | #endif /* USE_THREADS */ | |
1109 | gv = gv_fetchpv(name, create, SVt_PV); | |
1110 | if (gv) | |
1111 | return GvSV(gv); | |
1112 | return Nullsv; | |
1113 | } | |
1114 | ||
1115 | AV* | |
1116 | perl_get_av(char *name, I32 create) | |
1117 | { | |
1118 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1119 | if (create) | |
1120 | return GvAVn(gv); | |
1121 | if (gv) | |
1122 | return GvAV(gv); | |
1123 | return Nullav; | |
1124 | } | |
1125 | ||
1126 | HV* | |
1127 | perl_get_hv(char *name, I32 create) | |
1128 | { | |
a0d0e21e LW |
1129 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1130 | if (create) | |
1131 | return GvHVn(gv); | |
1132 | if (gv) | |
1133 | return GvHV(gv); | |
1134 | return Nullhv; | |
1135 | } | |
1136 | ||
1137 | CV* | |
8ac85365 | 1138 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1139 | { |
1140 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1141 | if (create && !GvCVu(gv)) |
774d564b | 1142 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1143 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1144 | Nullop, |
a0d0e21e LW |
1145 | Nullop); |
1146 | if (gv) | |
8ebc5c01 | 1147 | return GvCVu(gv); |
a0d0e21e LW |
1148 | return Nullcv; |
1149 | } | |
1150 | ||
79072805 LW |
1151 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1152 | ||
a0d0e21e | 1153 | I32 |
22239a37 | 1154 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1155 | |
1156 | /* See G_* flags in cop.h */ | |
1157 | /* null terminated arg list */ | |
8990e307 | 1158 | { |
a0d0e21e | 1159 | dSP; |
8990e307 | 1160 | |
924508f0 | 1161 | PUSHMARK(SP); |
a0d0e21e | 1162 | if (argv) { |
8990e307 | 1163 | while (*argv) { |
a0d0e21e | 1164 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1165 | argv++; |
1166 | } | |
a0d0e21e | 1167 | PUTBACK; |
8990e307 | 1168 | } |
22239a37 | 1169 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1170 | } |
1171 | ||
a0d0e21e | 1172 | I32 |
22239a37 | 1173 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1174 | /* name of the subroutine */ |
1175 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1176 | { |
22239a37 | 1177 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1178 | } |
1179 | ||
1180 | I32 | |
8ac85365 NIS |
1181 | perl_call_method(char *methname, I32 flags) |
1182 | /* name of the subroutine */ | |
1183 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1184 | { |
1185 | dSP; | |
1186 | OP myop; | |
533c011a NIS |
1187 | if (!PL_op) |
1188 | PL_op = &myop; | |
a0d0e21e LW |
1189 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1190 | PUTBACK; | |
11343788 | 1191 | pp_method(ARGS); |
533c011a NIS |
1192 | if(PL_op == &myop) |
1193 | PL_op = Nullop; | |
3280af22 | 1194 | return perl_call_sv(*PL_stack_sp--, flags); |
a0d0e21e LW |
1195 | } |
1196 | ||
1197 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1198 | I32 | |
8ac85365 NIS |
1199 | perl_call_sv(SV *sv, I32 flags) |
1200 | ||
1201 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1202 | { |
924508f0 | 1203 | dSP; |
a0d0e21e | 1204 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1205 | I32 oldmark; |
a0d0e21e | 1206 | I32 retval; |
a0d0e21e | 1207 | I32 oldscope; |
54310121 | 1208 | bool oldcatch = CATCH_GET; |
1209 | dJMPENV; | |
6224f72b | 1210 | int ret; |
533c011a | 1211 | OP* oldop = PL_op; |
1e422769 | 1212 | |
a0d0e21e LW |
1213 | if (flags & G_DISCARD) { |
1214 | ENTER; | |
1215 | SAVETMPS; | |
1216 | } | |
1217 | ||
aa689395 | 1218 | Zero(&myop, 1, LOGOP); |
54310121 | 1219 | myop.op_next = Nullop; |
f51d4af5 | 1220 | if (!(flags & G_NOARGS)) |
aa689395 | 1221 | myop.op_flags |= OPf_STACKED; |
54310121 | 1222 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1223 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1224 | OPf_WANT_SCALAR); | |
462e5cf6 | 1225 | SAVEOP(); |
533c011a | 1226 | PL_op = (OP*)&myop; |
aa689395 | 1227 | |
3280af22 NIS |
1228 | EXTEND(PL_stack_sp, 1); |
1229 | *++PL_stack_sp = sv; | |
aa689395 | 1230 | oldmark = TOPMARK; |
3280af22 | 1231 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1232 | |
3280af22 | 1233 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1234 | /* Handle first BEGIN of -d. */ |
3280af22 | 1235 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1236 | /* Try harder, since this may have been a sighandler, thus |
1237 | * curstash may be meaningless. */ | |
3280af22 | 1238 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1239 | && !(flags & G_NODEBUG)) |
533c011a | 1240 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1241 | |
1242 | if (flags & G_EVAL) { | |
533c011a | 1243 | cLOGOP->op_other = PL_op; |
3280af22 | 1244 | PL_markstack_ptr--; |
4633a7c4 LW |
1245 | /* we're trying to emulate pp_entertry() here */ |
1246 | { | |
c09156bb | 1247 | register PERL_CONTEXT *cx; |
54310121 | 1248 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1249 | |
1250 | ENTER; | |
1251 | SAVETMPS; | |
1252 | ||
533c011a | 1253 | push_return(PL_op->op_next); |
3280af22 | 1254 | PUSHBLOCK(cx, CXt_EVAL, PL_stack_sp); |
4633a7c4 | 1255 | PUSHEVAL(cx, 0, 0); |
533c011a | 1256 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
4633a7c4 | 1257 | |
3280af22 | 1258 | PL_in_eval = 1; |
4633a7c4 | 1259 | if (flags & G_KEEPERR) |
3280af22 | 1260 | PL_in_eval |= 4; |
4633a7c4 | 1261 | else |
38a03e6e | 1262 | sv_setpv(ERRSV,""); |
4633a7c4 | 1263 | } |
3280af22 | 1264 | PL_markstack_ptr++; |
a0d0e21e | 1265 | |
6224f72b GS |
1266 | JMPENV_PUSH(ret); |
1267 | switch (ret) { | |
1268 | case 0: | |
a0d0e21e | 1269 | break; |
6224f72b | 1270 | case 1: |
f86702cc | 1271 | STATUS_ALL_FAILURE; |
a0d0e21e | 1272 | /* FALL THROUGH */ |
6224f72b | 1273 | case 2: |
a0d0e21e | 1274 | /* my_exit() was called */ |
3280af22 | 1275 | PL_curstash = PL_defstash; |
a0d0e21e | 1276 | FREETMPS; |
54310121 | 1277 | JMPENV_POP; |
3280af22 | 1278 | if (PL_statusvalue) |
a0d0e21e | 1279 | croak("Callback called exit"); |
f86702cc | 1280 | my_exit_jump(); |
a0d0e21e | 1281 | /* NOTREACHED */ |
6224f72b | 1282 | case 3: |
3280af22 | 1283 | if (PL_restartop) { |
533c011a | 1284 | PL_op = PL_restartop; |
3280af22 | 1285 | PL_restartop = 0; |
54310121 | 1286 | break; |
a0d0e21e | 1287 | } |
3280af22 | 1288 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1289 | if (flags & G_ARRAY) |
1290 | retval = 0; | |
1291 | else { | |
1292 | retval = 1; | |
3280af22 | 1293 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e LW |
1294 | } |
1295 | goto cleanup; | |
1296 | } | |
1297 | } | |
1e422769 | 1298 | else |
54310121 | 1299 | CATCH_SET(TRUE); |
a0d0e21e | 1300 | |
533c011a NIS |
1301 | if (PL_op == (OP*)&myop) |
1302 | PL_op = pp_entersub(ARGS); | |
1303 | if (PL_op) | |
76e3520e | 1304 | CALLRUNOPS(); |
3280af22 | 1305 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
4633a7c4 | 1306 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1307 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1308 | |
1309 | cleanup: | |
1310 | if (flags & G_EVAL) { | |
3280af22 | 1311 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
1312 | SV **newsp; |
1313 | PMOP *newpm; | |
1314 | I32 gimme; | |
c09156bb | 1315 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1316 | I32 optype; |
1317 | ||
1318 | POPBLOCK(cx,newpm); | |
1319 | POPEVAL(cx); | |
1320 | pop_return(); | |
3280af22 | 1321 | PL_curpm = newpm; |
a0a2876f | 1322 | LEAVE; |
a0d0e21e | 1323 | } |
54310121 | 1324 | JMPENV_POP; |
a0d0e21e | 1325 | } |
1e422769 | 1326 | else |
54310121 | 1327 | CATCH_SET(oldcatch); |
1e422769 | 1328 | |
a0d0e21e | 1329 | if (flags & G_DISCARD) { |
3280af22 | 1330 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1331 | retval = 0; |
1332 | FREETMPS; | |
1333 | LEAVE; | |
1334 | } | |
533c011a | 1335 | PL_op = oldop; |
a0d0e21e LW |
1336 | return retval; |
1337 | } | |
1338 | ||
6e72f9df | 1339 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1340 | |
a0d0e21e | 1341 | I32 |
8ac85365 NIS |
1342 | perl_eval_sv(SV *sv, I32 flags) |
1343 | ||
1344 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1345 | { |
924508f0 | 1346 | dSP; |
a0d0e21e | 1347 | UNOP myop; /* fake syntax tree node */ |
3280af22 | 1348 | I32 oldmark = SP - PL_stack_base; |
4633a7c4 | 1349 | I32 retval; |
4633a7c4 | 1350 | I32 oldscope; |
54310121 | 1351 | dJMPENV; |
6224f72b | 1352 | int ret; |
533c011a | 1353 | OP* oldop = PL_op; |
84902520 | 1354 | |
4633a7c4 LW |
1355 | if (flags & G_DISCARD) { |
1356 | ENTER; | |
1357 | SAVETMPS; | |
1358 | } | |
1359 | ||
462e5cf6 | 1360 | SAVEOP(); |
533c011a NIS |
1361 | PL_op = (OP*)&myop; |
1362 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
1363 | EXTEND(PL_stack_sp, 1); |
1364 | *++PL_stack_sp = sv; | |
1365 | oldscope = PL_scopestack_ix; | |
79072805 | 1366 | |
4633a7c4 LW |
1367 | if (!(flags & G_NOARGS)) |
1368 | myop.op_flags = OPf_STACKED; | |
79072805 | 1369 | myop.op_next = Nullop; |
6e72f9df | 1370 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1371 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1372 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1373 | OPf_WANT_SCALAR); | |
6e72f9df | 1374 | if (flags & G_KEEPERR) |
1375 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1376 | |
6224f72b GS |
1377 | JMPENV_PUSH(ret); |
1378 | switch (ret) { | |
1379 | case 0: | |
4633a7c4 | 1380 | break; |
6224f72b | 1381 | case 1: |
f86702cc | 1382 | STATUS_ALL_FAILURE; |
4633a7c4 | 1383 | /* FALL THROUGH */ |
6224f72b | 1384 | case 2: |
4633a7c4 | 1385 | /* my_exit() was called */ |
3280af22 | 1386 | PL_curstash = PL_defstash; |
4633a7c4 | 1387 | FREETMPS; |
54310121 | 1388 | JMPENV_POP; |
3280af22 | 1389 | if (PL_statusvalue) |
4633a7c4 | 1390 | croak("Callback called exit"); |
f86702cc | 1391 | my_exit_jump(); |
4633a7c4 | 1392 | /* NOTREACHED */ |
6224f72b | 1393 | case 3: |
3280af22 | 1394 | if (PL_restartop) { |
533c011a | 1395 | PL_op = PL_restartop; |
3280af22 | 1396 | PL_restartop = 0; |
54310121 | 1397 | break; |
4633a7c4 | 1398 | } |
3280af22 | 1399 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1400 | if (flags & G_ARRAY) |
1401 | retval = 0; | |
1402 | else { | |
1403 | retval = 1; | |
3280af22 | 1404 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 LW |
1405 | } |
1406 | goto cleanup; | |
1407 | } | |
1408 | ||
533c011a NIS |
1409 | if (PL_op == (OP*)&myop) |
1410 | PL_op = pp_entereval(ARGS); | |
1411 | if (PL_op) | |
76e3520e | 1412 | CALLRUNOPS(); |
3280af22 | 1413 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
6e72f9df | 1414 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1415 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1416 | |
1417 | cleanup: | |
54310121 | 1418 | JMPENV_POP; |
4633a7c4 | 1419 | if (flags & G_DISCARD) { |
3280af22 | 1420 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1421 | retval = 0; |
1422 | FREETMPS; | |
1423 | LEAVE; | |
1424 | } | |
533c011a | 1425 | PL_op = oldop; |
4633a7c4 LW |
1426 | return retval; |
1427 | } | |
1428 | ||
137443ea | 1429 | SV* |
8ac85365 | 1430 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1431 | { |
1432 | dSP; | |
1433 | SV* sv = newSVpv(p, 0); | |
1434 | ||
924508f0 | 1435 | PUSHMARK(SP); |
137443ea | 1436 | perl_eval_sv(sv, G_SCALAR); |
1437 | SvREFCNT_dec(sv); | |
1438 | ||
1439 | SPAGAIN; | |
1440 | sv = POPs; | |
1441 | PUTBACK; | |
1442 | ||
38a03e6e | 1443 | if (croak_on_error && SvTRUE(ERRSV)) |
3280af22 | 1444 | croak(SvPVx(ERRSV, PL_na)); |
137443ea | 1445 | |
1446 | return sv; | |
1447 | } | |
1448 | ||
4633a7c4 LW |
1449 | /* Require a module. */ |
1450 | ||
1451 | void | |
8ac85365 | 1452 | perl_require_pv(char *pv) |
4633a7c4 | 1453 | { |
d3acc0f7 JP |
1454 | SV* sv; |
1455 | dSP; | |
e788e7d3 | 1456 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
1457 | PUTBACK; |
1458 | sv = sv_newmortal(); | |
4633a7c4 LW |
1459 | sv_setpv(sv, "require '"); |
1460 | sv_catpv(sv, pv); | |
1461 | sv_catpv(sv, "'"); | |
1462 | perl_eval_sv(sv, G_DISCARD); | |
d3acc0f7 JP |
1463 | SPAGAIN; |
1464 | POPSTACK; | |
79072805 LW |
1465 | } |
1466 | ||
79072805 | 1467 | void |
8ac85365 | 1468 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1469 | { |
1470 | register GV *gv; | |
1471 | ||
85e6fe83 | 1472 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1473 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1474 | } | |
1475 | ||
76e3520e | 1476 | STATIC void |
8ac85365 NIS |
1477 | usage(char *name) /* XXX move this out into a module ? */ |
1478 | ||
4633a7c4 | 1479 | { |
ab821d7f | 1480 | /* This message really ought to be max 23 lines. |
1481 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1482 | |
76e3520e | 1483 | static char *usage_msg[] = { |
fb73857a | 1484 | "-0[octal] specify record separator (\\0, if no argument)", |
1485 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1486 | "-c check syntax only (runs BEGIN and END blocks)", | |
1487 | "-d[:debugger] run scripts under debugger", | |
1488 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1489 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1490 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1491 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1492 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1493 | "-l[octal] enable line ending processing, specifies line terminator", | |
1494 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1495 | "-n assume 'while (<>) { ... }' loop around your script", | |
1496 | "-p assume loop like -n but print line also like sed", | |
1497 | "-P run script through C preprocessor before compilation", | |
1498 | "-s enable some switch parsing for switches after script name", | |
1499 | "-S look for the script using PATH environment variable", | |
1500 | "-T turn on tainting checks", | |
1501 | "-u dump core after parsing script", | |
1502 | "-U allow unsafe operations", | |
95103687 | 1503 | "-v print version number, patchlevel plus VERY IMPORTANT perl info", |
fb73857a | 1504 | "-V[:variable] print perl configuration information", |
1505 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1506 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1507 | "\n", | |
1508 | NULL | |
1509 | }; | |
76e3520e | 1510 | char **p = usage_msg; |
fb73857a | 1511 | |
ab821d7f | 1512 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1513 | while (*p) |
1514 | printf("\n %s", *p++); | |
4633a7c4 LW |
1515 | } |
1516 | ||
79072805 LW |
1517 | /* This routine handles any switches that can be given during run */ |
1518 | ||
1519 | char * | |
8ac85365 | 1520 | moreswitches(char *s) |
79072805 LW |
1521 | { |
1522 | I32 numlen; | |
c07a80fd | 1523 | U32 rschar; |
79072805 LW |
1524 | |
1525 | switch (*s) { | |
1526 | case '0': | |
a863c7d1 MB |
1527 | { |
1528 | dTHR; | |
c07a80fd | 1529 | rschar = scan_oct(s, 4, &numlen); |
3280af22 | 1530 | SvREFCNT_dec(PL_nrs); |
c07a80fd | 1531 | if (rschar & ~((U8)~0)) |
3280af22 | 1532 | PL_nrs = &PL_sv_undef; |
c07a80fd | 1533 | else if (!rschar && numlen >= 2) |
3280af22 | 1534 | PL_nrs = newSVpv("", 0); |
c07a80fd | 1535 | else { |
1536 | char ch = rschar; | |
3280af22 | 1537 | PL_nrs = newSVpv(&ch, 1); |
79072805 LW |
1538 | } |
1539 | return s + numlen; | |
a863c7d1 | 1540 | } |
2304df62 | 1541 | case 'F': |
3280af22 NIS |
1542 | PL_minus_F = TRUE; |
1543 | PL_splitstr = savepv(s + 1); | |
2304df62 AD |
1544 | s += strlen(s); |
1545 | return s; | |
79072805 | 1546 | case 'a': |
3280af22 | 1547 | PL_minus_a = TRUE; |
79072805 LW |
1548 | s++; |
1549 | return s; | |
1550 | case 'c': | |
3280af22 | 1551 | PL_minus_c = TRUE; |
79072805 LW |
1552 | s++; |
1553 | return s; | |
1554 | case 'd': | |
bbce6d69 | 1555 | forbid_setid("-d"); |
4633a7c4 | 1556 | s++; |
c07a80fd | 1557 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1558 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1559 | s += strlen(s); |
4633a7c4 | 1560 | } |
3280af22 NIS |
1561 | if (!PL_perldb) { |
1562 | PL_perldb = PERLDB_ALL; | |
a0d0e21e LW |
1563 | init_debugger(); |
1564 | } | |
79072805 LW |
1565 | return s; |
1566 | case 'D': | |
1567 | #ifdef DEBUGGING | |
bbce6d69 | 1568 | forbid_setid("-D"); |
79072805 | 1569 | if (isALPHA(s[1])) { |
8b73bbec | 1570 | static char debopts[] = "psltocPmfrxuLHXDS"; |
79072805 LW |
1571 | char *d; |
1572 | ||
93a17b20 | 1573 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
3280af22 | 1574 | PL_debug |= 1 << (d - debopts); |
79072805 LW |
1575 | } |
1576 | else { | |
3280af22 | 1577 | PL_debug = atoi(s+1); |
79072805 LW |
1578 | for (s++; isDIGIT(*s); s++) ; |
1579 | } | |
3280af22 | 1580 | PL_debug |= 0x80000000; |
79072805 LW |
1581 | #else |
1582 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1583 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1584 | #endif |
1585 | /*SUPPRESS 530*/ | |
1586 | return s; | |
4633a7c4 | 1587 | case 'h': |
3280af22 | 1588 | usage(PL_origargv[0]); |
6ad3d225 | 1589 | PerlProc_exit(0); |
79072805 | 1590 | case 'i': |
3280af22 NIS |
1591 | if (PL_inplace) |
1592 | Safefree(PL_inplace); | |
1593 | PL_inplace = savepv(s+1); | |
79072805 | 1594 | /*SUPPRESS 530*/ |
3280af22 | 1595 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 1596 | if (*s) { |
fb73857a | 1597 | *s++ = '\0'; |
7b8d334a GS |
1598 | if (*s == '-') /* Additional switches on #! line. */ |
1599 | s++; | |
1600 | } | |
fb73857a | 1601 | return s; |
1602 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1603 | forbid_setid("-I"); |
fb73857a | 1604 | ++s; |
1605 | while (*s && isSPACE(*s)) | |
1606 | ++s; | |
1607 | if (*s) { | |
774d564b | 1608 | char *e, *p; |
748a9306 | 1609 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1610 | p = savepvn(s, e-s); |
1611 | incpush(p, TRUE); | |
1612 | Safefree(p); | |
fb73857a | 1613 | s = e; |
79072805 LW |
1614 | } |
1615 | else | |
463ee0b2 | 1616 | croak("No space allowed after -I"); |
fb73857a | 1617 | return s; |
79072805 | 1618 | case 'l': |
3280af22 | 1619 | PL_minus_l = TRUE; |
79072805 | 1620 | s++; |
3280af22 NIS |
1621 | if (PL_ors) |
1622 | Safefree(PL_ors); | |
79072805 | 1623 | if (isDIGIT(*s)) { |
3280af22 NIS |
1624 | PL_ors = savepv("\n"); |
1625 | PL_orslen = 1; | |
1626 | *PL_ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
79072805 LW |
1627 | s += numlen; |
1628 | } | |
1629 | else { | |
a863c7d1 | 1630 | dTHR; |
3280af22 NIS |
1631 | if (RsPARA(PL_nrs)) { |
1632 | PL_ors = "\n\n"; | |
1633 | PL_orslen = 2; | |
c07a80fd | 1634 | } |
1635 | else | |
3280af22 NIS |
1636 | PL_ors = SvPV(PL_nrs, PL_orslen); |
1637 | PL_ors = savepvn(PL_ors, PL_orslen); | |
79072805 LW |
1638 | } |
1639 | return s; | |
1a30305b | 1640 | case 'M': |
bbce6d69 | 1641 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1642 | /* FALL THROUGH */ |
1643 | case 'm': | |
bbce6d69 | 1644 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1645 | if (*++s) { |
a5f75d66 | 1646 | char *start; |
11343788 | 1647 | SV *sv; |
a5f75d66 AD |
1648 | char *use = "use "; |
1649 | /* -M-foo == 'no foo' */ | |
1650 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1651 | sv = newSVpv(use,0); |
a5f75d66 | 1652 | start = s; |
1a30305b | 1653 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1654 | while(isALNUM(*s) || *s==':') ++s; |
1655 | if (*s != '=') { | |
11343788 | 1656 | sv_catpv(sv, start); |
c07a80fd | 1657 | if (*(start-1) == 'm') { |
1658 | if (*s != '\0') | |
1659 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1660 | sv_catpv( sv, " ()"); |
c07a80fd | 1661 | } |
1662 | } else { | |
11343788 MB |
1663 | sv_catpvn(sv, start, s-start); |
1664 | sv_catpv(sv, " split(/,/,q{"); | |
1665 | sv_catpv(sv, ++s); | |
1666 | sv_catpv(sv, "})"); | |
c07a80fd | 1667 | } |
1a30305b | 1668 | s += strlen(s); |
3280af22 NIS |
1669 | if (PL_preambleav == NULL) |
1670 | PL_preambleav = newAV(); | |
1671 | av_push(PL_preambleav, sv); | |
1a30305b | 1672 | } |
1673 | else | |
1674 | croak("No space allowed after -%c", *(s-1)); | |
1675 | return s; | |
79072805 | 1676 | case 'n': |
3280af22 | 1677 | PL_minus_n = TRUE; |
79072805 LW |
1678 | s++; |
1679 | return s; | |
1680 | case 'p': | |
3280af22 | 1681 | PL_minus_p = TRUE; |
79072805 LW |
1682 | s++; |
1683 | return s; | |
1684 | case 's': | |
bbce6d69 | 1685 | forbid_setid("-s"); |
3280af22 | 1686 | PL_doswitches = TRUE; |
79072805 LW |
1687 | s++; |
1688 | return s; | |
463ee0b2 | 1689 | case 'T': |
3280af22 | 1690 | if (!PL_tainting) |
9607fc9c | 1691 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1692 | s++; |
1693 | return s; | |
79072805 | 1694 | case 'u': |
3280af22 | 1695 | PL_do_undump = TRUE; |
79072805 LW |
1696 | s++; |
1697 | return s; | |
1698 | case 'U': | |
3280af22 | 1699 | PL_unsafe = TRUE; |
79072805 LW |
1700 | s++; |
1701 | return s; | |
1702 | case 'v': | |
a5f75d66 | 1703 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1704 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1705 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1706 | #else |
fb73857a | 1707 | printf("\nThis is perl, version %s built for %s", |
6b88bc9c | 1708 | PL_patchlevel, ARCHNAME); |
fb73857a | 1709 | #endif |
1710 | #if defined(LOCAL_PATCH_COUNT) | |
1711 | if (LOCAL_PATCH_COUNT > 0) | |
1712 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1713 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1714 | #endif |
1a30305b | 1715 | |
a411490c | 1716 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1717 | #ifdef MSDOS |
fb73857a | 1718 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1719 | #endif |
1720 | #ifdef DJGPP | |
1721 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1722 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1723 | #endif |
79072805 | 1724 | #ifdef OS2 |
5dd60ef7 | 1725 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1726 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1727 | #endif |
79072805 | 1728 | #ifdef atarist |
760ac839 | 1729 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1730 | #endif |
a3f9223b GS |
1731 | #ifdef __BEOS__ |
1732 | printf("BeOS port Copyright Tom Spindler, 1997-1998\n"); | |
1733 | #endif | |
1d84e8df JH |
1734 | #ifdef MPE |
1735 | printf("MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-1998\n"); | |
1736 | #endif | |
9d116dd7 JH |
1737 | #ifdef OEMVS |
1738 | printf("MVS (OS390) port by Mortice Kern Systems, 1997-1998\n"); | |
1739 | #endif | |
baed7233 DL |
1740 | #ifdef BINARY_BUILD_NOTICE |
1741 | BINARY_BUILD_NOTICE; | |
1742 | #endif | |
760ac839 | 1743 | printf("\n\ |
79072805 | 1744 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
1745 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1746 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
1747 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
1748 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 1749 | PerlProc_exit(0); |
79072805 | 1750 | case 'w': |
3280af22 | 1751 | PL_dowarn = TRUE; |
79072805 LW |
1752 | s++; |
1753 | return s; | |
a0d0e21e | 1754 | case '*': |
79072805 LW |
1755 | case ' ': |
1756 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1757 | return s+2; | |
1758 | break; | |
a0d0e21e | 1759 | case '-': |
79072805 | 1760 | case 0: |
a868473f NIS |
1761 | #ifdef WIN32 |
1762 | case '\r': | |
1763 | #endif | |
79072805 LW |
1764 | case '\n': |
1765 | case '\t': | |
1766 | break; | |
aa689395 | 1767 | #ifdef ALTERNATE_SHEBANG |
1768 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1769 | break; | |
1770 | #endif | |
a0d0e21e | 1771 | case 'P': |
3280af22 | 1772 | if (PL_preprocess) |
a0d0e21e LW |
1773 | return s+1; |
1774 | /* FALL THROUGH */ | |
79072805 | 1775 | default: |
a0d0e21e | 1776 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1777 | } |
1778 | return Nullch; | |
1779 | } | |
1780 | ||
1781 | /* compliments of Tom Christiansen */ | |
1782 | ||
1783 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 1784 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
1785 | |
1786 | void | |
8ac85365 | 1787 | my_unexec(void) |
79072805 LW |
1788 | { |
1789 | #ifdef UNEXEC | |
46fc3d4c | 1790 | SV* prog; |
1791 | SV* file; | |
ee580363 | 1792 | int status = 1; |
79072805 LW |
1793 | extern int etext; |
1794 | ||
ee580363 | 1795 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 1796 | sv_catpv(prog, "/perl"); |
6b88bc9c | 1797 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 1798 | sv_catpv(file, ".perldump"); |
79072805 | 1799 | |
ee580363 GS |
1800 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
1801 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 1802 | PerlProc_exit(status); |
79072805 | 1803 | #else |
a5f75d66 AD |
1804 | # ifdef VMS |
1805 | # include <lib$routines.h> | |
1806 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1807 | # else |
79072805 | 1808 | ABORT(); /* for use with undump */ |
aa689395 | 1809 | # endif |
a5f75d66 | 1810 | #endif |
79072805 LW |
1811 | } |
1812 | ||
cb68f92d GS |
1813 | /* initialize curinterp */ |
1814 | STATIC void | |
1815 | init_interp(void) | |
1816 | { | |
1817 | ||
066ef5b5 | 1818 | #ifdef PERL_OBJECT /* XXX kludge */ |
cb68f92d | 1819 | #define I_REINIT \ |
6b88bc9c GS |
1820 | STMT_START { \ |
1821 | PL_chopset = " \n-"; \ | |
1822 | PL_copline = NOLINE; \ | |
1823 | PL_curcop = &PL_compiling;\ | |
1824 | PL_curcopdb = NULL; \ | |
1825 | PL_dbargs = 0; \ | |
1826 | PL_dlmax = 128; \ | |
1827 | PL_laststatval = -1; \ | |
1828 | PL_laststype = OP_STAT; \ | |
1829 | PL_maxscream = -1; \ | |
1830 | PL_maxsysfd = MAXSYSFD; \ | |
1831 | PL_statname = Nullsv; \ | |
1832 | PL_tmps_floor = -1; \ | |
1833 | PL_tmps_ix = -1; \ | |
1834 | PL_op_mask = NULL; \ | |
1835 | PL_dlmax = 128; \ | |
1836 | PL_laststatval = -1; \ | |
1837 | PL_laststype = OP_STAT; \ | |
1838 | PL_mess_sv = Nullsv; \ | |
1839 | PL_splitstr = " "; \ | |
1840 | PL_generation = 100; \ | |
1841 | PL_exitlist = NULL; \ | |
1842 | PL_exitlistlen = 0; \ | |
1843 | PL_regindent = 0; \ | |
1844 | PL_in_clean_objs = FALSE; \ | |
1845 | PL_in_clean_all = FALSE; \ | |
1846 | PL_profiledata = NULL; \ | |
1847 | PL_rsfp = Nullfp; \ | |
1848 | PL_rsfp_filters = Nullav; \ | |
cb68f92d | 1849 | } STMT_END |
9666903d | 1850 | I_REINIT; |
066ef5b5 GS |
1851 | #else |
1852 | # ifdef MULTIPLICITY | |
1853 | # define PERLVAR(var,type) | |
8f872242 NIS |
1854 | # define PERLVARI(var,type,init) PL_curinterp->var = init; |
1855 | # define PERLVARIC(var,type,init) PL_curinterp->var = init; | |
066ef5b5 GS |
1856 | # include "intrpvar.h" |
1857 | # ifndef USE_THREADS | |
1858 | # include "thrdvar.h" | |
1859 | # endif | |
1860 | # undef PERLVAR | |
1861 | # undef PERLVARI | |
1862 | # undef PERLVARIC | |
1863 | # else | |
1864 | # define PERLVAR(var,type) | |
533c011a NIS |
1865 | # define PERLVARI(var,type,init) PL_##var = init; |
1866 | # define PERLVARIC(var,type,init) PL_##var = init; | |
066ef5b5 GS |
1867 | # include "intrpvar.h" |
1868 | # ifndef USE_THREADS | |
1869 | # include "thrdvar.h" | |
1870 | # endif | |
1871 | # undef PERLVAR | |
1872 | # undef PERLVARI | |
1873 | # undef PERLVARIC | |
1874 | # endif | |
cb68f92d GS |
1875 | #endif |
1876 | ||
cb68f92d GS |
1877 | } |
1878 | ||
76e3520e | 1879 | STATIC void |
8ac85365 | 1880 | init_main_stash(void) |
79072805 | 1881 | { |
11343788 | 1882 | dTHR; |
463ee0b2 | 1883 | GV *gv; |
6e72f9df | 1884 | |
1885 | /* Note that strtab is a rather special HV. Assumptions are made | |
1886 | about not iterating on it, and not adding tie magic to it. | |
1887 | It is properly deallocated in perl_destruct() */ | |
3280af22 NIS |
1888 | PL_strtab = newHV(); |
1889 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ | |
1890 | hv_ksplit(PL_strtab, 512); | |
6e72f9df | 1891 | |
3280af22 NIS |
1892 | PL_curstash = PL_defstash = newHV(); |
1893 | PL_curstname = newSVpv("main",4); | |
adbc6bb1 LW |
1894 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1895 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 1896 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 1897 | SvREADONLY_on(gv); |
3280af22 NIS |
1898 | HvNAME(PL_defstash) = savepv("main"); |
1899 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
1900 | GvMULTI_on(PL_incgv); | |
1901 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
1902 | GvMULTI_on(PL_hintgv); | |
1903 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
1904 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
1905 | GvMULTI_on(PL_errgv); | |
1906 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
1907 | GvMULTI_on(PL_replgv); | |
84902520 | 1908 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1909 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1910 | sv_setpvn(ERRSV, "", 0); | |
3280af22 NIS |
1911 | PL_curstash = PL_defstash; |
1912 | PL_compiling.cop_stash = PL_defstash; | |
1913 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); | |
1914 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); | |
4633a7c4 LW |
1915 | /* We must init $/ before switches are processed. */ |
1916 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1917 | } |
1918 | ||
76e3520e | 1919 | STATIC void |
01f988be | 1920 | open_script(char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 1921 | { |
0f15f207 | 1922 | dTHR; |
79072805 | 1923 | register char *s; |
2a92aaa0 | 1924 | |
6c4ab083 | 1925 | *fdscript = -1; |
79072805 | 1926 | |
3280af22 NIS |
1927 | if (PL_e_script) { |
1928 | PL_origfilename = savepv("-e"); | |
96436eeb | 1929 | } |
6c4ab083 GS |
1930 | else { |
1931 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 1932 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
1933 | |
1934 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
1935 | char *s = scriptname + 8; | |
1936 | *fdscript = atoi(s); | |
1937 | while (isDIGIT(*s)) | |
1938 | s++; | |
1939 | if (*s) { | |
1940 | scriptname = savepv(s + 1); | |
3280af22 NIS |
1941 | Safefree(PL_origfilename); |
1942 | PL_origfilename = scriptname; | |
6c4ab083 GS |
1943 | } |
1944 | } | |
1945 | } | |
1946 | ||
3280af22 NIS |
1947 | PL_curcop->cop_filegv = gv_fetchfile(PL_origfilename); |
1948 | if (strEQ(PL_origfilename,"-")) | |
79072805 | 1949 | scriptname = ""; |
01f988be | 1950 | if (*fdscript >= 0) { |
3280af22 | 1951 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
96436eeb | 1952 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
1953 | if (PL_rsfp) |
1954 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1955 | #endif |
1956 | } | |
3280af22 | 1957 | else if (PL_preprocess) { |
46fc3d4c | 1958 | char *cpp_cfg = CPPSTDIN; |
63bfd3db | 1959 | SV *cpp = newSVpv("",0); |
46fc3d4c | 1960 | SV *cmd = NEWSV(0,0); |
1961 | ||
1962 | if (strEQ(cpp_cfg, "cppstdin")) | |
1963 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1964 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1965 | |
79072805 | 1966 | sv_catpv(sv,"-I"); |
fed7345c | 1967 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1968 | |
79072805 | 1969 | #ifdef MSDOS |
46fc3d4c | 1970 | sv_setpvf(cmd, "\ |
79072805 LW |
1971 | sed %s -e \"/^[^#]/b\" \ |
1972 | -e \"/^#[ ]*include[ ]/b\" \ | |
1973 | -e \"/^#[ ]*define[ ]/b\" \ | |
1974 | -e \"/^#[ ]*if[ ]/b\" \ | |
1975 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1976 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1977 | -e \"/^#[ ]*else/b\" \ | |
1978 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1979 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1980 | -e \"/^#[ ]*endif/b\" \ | |
1981 | -e \"s/^#.*//\" \ | |
fc36a67e | 1982 | %s | %_ -C %_ %s", |
6b88bc9c | 1983 | (PL_doextract ? "-e \"1,/^#/d\n\"" : ""), |
79072805 | 1984 | #else |
46fc3d4c | 1985 | sv_setpvf(cmd, "\ |
79072805 LW |
1986 | %s %s -e '/^[^#]/b' \ |
1987 | -e '/^#[ ]*include[ ]/b' \ | |
1988 | -e '/^#[ ]*define[ ]/b' \ | |
1989 | -e '/^#[ ]*if[ ]/b' \ | |
1990 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1991 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1992 | -e '/^#[ ]*else/b' \ | |
1993 | -e '/^#[ ]*elif[ ]/b' \ | |
1994 | -e '/^#[ ]*undef[ ]/b' \ | |
1995 | -e '/^#[ ]*endif/b' \ | |
1996 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 1997 | %s | %_ -C %_ %s", |
79072805 LW |
1998 | #ifdef LOC_SED |
1999 | LOC_SED, | |
2000 | #else | |
2001 | "sed", | |
2002 | #endif | |
3280af22 | 2003 | (PL_doextract ? "-e '1,/^#/d\n'" : ""), |
79072805 | 2004 | #endif |
46fc3d4c | 2005 | scriptname, cpp, sv, CPPMINUS); |
3280af22 | 2006 | PL_doextract = FALSE; |
79072805 | 2007 | #ifdef IAMSUID /* actually, this is caught earlier */ |
b28d0864 | 2008 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ |
79072805 | 2009 | #ifdef HAS_SETEUID |
b28d0864 | 2010 | (void)seteuid(PL_uid); /* musn't stay setuid root */ |
79072805 LW |
2011 | #else |
2012 | #ifdef HAS_SETREUID | |
b28d0864 | 2013 | (void)setreuid((Uid_t)-1, PL_uid); |
85e6fe83 LW |
2014 | #else |
2015 | #ifdef HAS_SETRESUID | |
b28d0864 | 2016 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); |
79072805 | 2017 | #else |
b28d0864 | 2018 | PerlProc_setuid(PL_uid); |
79072805 LW |
2019 | #endif |
2020 | #endif | |
85e6fe83 | 2021 | #endif |
b28d0864 | 2022 | if (PerlProc_geteuid() != PL_uid) |
463ee0b2 | 2023 | croak("Can't do seteuid!\n"); |
79072805 LW |
2024 | } |
2025 | #endif /* IAMSUID */ | |
3280af22 | 2026 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2027 | SvREFCNT_dec(cmd); |
2028 | SvREFCNT_dec(cpp); | |
79072805 LW |
2029 | } |
2030 | else if (!*scriptname) { | |
bbce6d69 | 2031 | forbid_setid("program input from stdin"); |
3280af22 | 2032 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2033 | } |
96436eeb | 2034 | else { |
3280af22 | 2035 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2036 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
2037 | if (PL_rsfp) |
2038 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2039 | #endif |
2040 | } | |
3280af22 | 2041 | if (!PL_rsfp) { |
13281fa4 | 2042 | #ifdef DOSUID |
a687059c | 2043 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
6b88bc9c GS |
2044 | if (PL_euid && |
2045 | PerlLIO_stat(SvPVX(GvSV(PL_curcop->cop_filegv)),&PL_statbuf) >= 0 && | |
2046 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) | |
2047 | { | |
46fc3d4c | 2048 | /* try again */ |
6b88bc9c | 2049 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, PL_patchlevel), PL_origargv); |
463ee0b2 | 2050 | croak("Can't do setuid\n"); |
13281fa4 LW |
2051 | } |
2052 | #endif | |
2053 | #endif | |
463ee0b2 | 2054 | croak("Can't open perl script \"%s\": %s\n", |
3280af22 | 2055 | SvPVX(GvSV(PL_curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2056 | } |
79072805 | 2057 | } |
8d063cd8 | 2058 | |
76e3520e | 2059 | STATIC void |
01f988be | 2060 | validate_suid(char *validarg, char *scriptname, int fdscript) |
79072805 | 2061 | { |
96436eeb | 2062 | int which; |
2063 | ||
13281fa4 LW |
2064 | /* do we need to emulate setuid on scripts? */ |
2065 | ||
2066 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2067 | * in the kernel because of a security problem. Merely defining DOSUID | |
2068 | * in perl will not fix that problem, but if you have disabled setuid | |
2069 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2070 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2071 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2072 | * discovers that it has opened a setuid script, it calls suidperl with | |
2073 | * the same argv that it had. If suidperl finds that the script it has | |
2074 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2075 | * uid. We don't just make perl setuid root because that loses the | |
2076 | * effective uid we had before invoking perl, if it was different from the | |
2077 | * uid. | |
13281fa4 LW |
2078 | * |
2079 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2080 | * be defined in suidperl only. suidperl must be setuid root. The | |
2081 | * Configure script will set this up for you if you want it. | |
2082 | */ | |
a687059c | 2083 | |
13281fa4 | 2084 | #ifdef DOSUID |
ea0efc06 | 2085 | dTHR; |
6e72f9df | 2086 | char *s, *s2; |
a0d0e21e | 2087 | |
b28d0864 | 2088 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
6b88bc9c | 2089 | croak("Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 2090 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2091 | I32 len; |
13281fa4 | 2092 | |
a687059c | 2093 | #ifdef IAMSUID |
fe14fcc3 | 2094 | #ifndef HAS_SETREUID |
a687059c LW |
2095 | /* On this access check to make sure the directories are readable, |
2096 | * there is actually a small window that the user could use to make | |
2097 | * filename point to an accessible directory. So there is a faint | |
2098 | * chance that someone could execute a setuid script down in a | |
2099 | * non-accessible directory. I don't know what to do about that. | |
2100 | * But I don't think it's too important. The manual lies when | |
2101 | * it says access() is useful in setuid programs. | |
2102 | */ | |
6b88bc9c | 2103 | if (PerlLIO_access(SvPVX(GvSV(PL_curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2104 | croak("Permission denied"); |
a687059c LW |
2105 | #else |
2106 | /* If we can swap euid and uid, then we can determine access rights | |
2107 | * with a simple stat of the file, and then compare device and | |
2108 | * inode to make sure we did stat() on the same file we opened. | |
2109 | * Then we just have to make sure he or she can execute it. | |
2110 | */ | |
2111 | { | |
2112 | struct stat tmpstatbuf; | |
2113 | ||
85e6fe83 LW |
2114 | if ( |
2115 | #ifdef HAS_SETREUID | |
b28d0864 | 2116 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
2117 | #else |
2118 | # if HAS_SETRESUID | |
b28d0864 | 2119 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 2120 | # endif |
85e6fe83 | 2121 | #endif |
b28d0864 | 2122 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
463ee0b2 | 2123 | croak("Can't swap uid and euid"); /* really paranoid */ |
6b88bc9c | 2124 | if (PerlLIO_stat(SvPVX(GvSV(PL_curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2125 | croak("Permission denied"); /* testing full pathname here */ |
b28d0864 NIS |
2126 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
2127 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
2128 | (void)PerlIO_close(PL_rsfp); | |
2129 | if (PL_rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ | |
2130 | PerlIO_printf(PL_rsfp, | |
ff0cee69 | 2131 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2132 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
b28d0864 NIS |
2133 | (long)PL_uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, |
2134 | (long)PL_statbuf.st_dev, (long)PL_statbuf.st_ino, | |
6b88bc9c | 2135 | SvPVX(GvSV(PL_curcop->cop_filegv)), |
b28d0864 NIS |
2136 | (long)PL_statbuf.st_uid, (long)PL_statbuf.st_gid); |
2137 | (void)PerlProc_pclose(PL_rsfp); | |
a687059c | 2138 | } |
463ee0b2 | 2139 | croak("Permission denied\n"); |
a687059c | 2140 | } |
85e6fe83 LW |
2141 | if ( |
2142 | #ifdef HAS_SETREUID | |
b28d0864 | 2143 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
2144 | #else |
2145 | # if defined(HAS_SETRESUID) | |
b28d0864 | 2146 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 2147 | # endif |
85e6fe83 | 2148 | #endif |
b28d0864 | 2149 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
463ee0b2 | 2150 | croak("Can't reswap uid and euid"); |
b28d0864 | 2151 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
463ee0b2 | 2152 | croak("Permission denied\n"); |
a687059c | 2153 | } |
fe14fcc3 | 2154 | #endif /* HAS_SETREUID */ |
a687059c LW |
2155 | #endif /* IAMSUID */ |
2156 | ||
b28d0864 | 2157 | if (!S_ISREG(PL_statbuf.st_mode)) |
463ee0b2 | 2158 | croak("Permission denied"); |
b28d0864 | 2159 | if (PL_statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2160 | croak("Setuid/gid script is writable by world"); |
6b88bc9c GS |
2161 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
2162 | PL_curcop->cop_line++; | |
2163 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || | |
2164 | strnNE(SvPV(PL_linestr,PL_na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2165 | croak("No #! line"); |
6b88bc9c | 2166 | s = SvPV(PL_linestr,PL_na)+2; |
663a0e37 | 2167 | if (*s == ' ') s++; |
45d8adaa | 2168 | while (!isSPACE(*s)) s++; |
6b88bc9c | 2169 | for (s2 = s; (s2 > SvPV(PL_linestr,PL_na)+2 && |
6e72f9df | 2170 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2171 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2172 | croak("Not a perl script"); |
a687059c | 2173 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2174 | /* |
2175 | * #! arg must be what we saw above. They can invoke it by | |
2176 | * mentioning suidperl explicitly, but they may not add any strange | |
2177 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2178 | */ | |
2179 | len = strlen(validarg); | |
2180 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2181 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2182 | croak("Args must match #! line"); |
a687059c LW |
2183 | |
2184 | #ifndef IAMSUID | |
b28d0864 NIS |
2185 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
2186 | PL_euid == PL_statbuf.st_uid) | |
2187 | if (!PL_do_undump) | |
463ee0b2 | 2188 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2189 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2190 | #endif /* IAMSUID */ | |
13281fa4 | 2191 | |
b28d0864 NIS |
2192 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
2193 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 2194 | #ifndef IAMSUID |
46fc3d4c | 2195 | /* try again */ |
6b88bc9c | 2196 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, PL_patchlevel), PL_origargv); |
13281fa4 | 2197 | #endif |
463ee0b2 | 2198 | croak("Can't do setuid\n"); |
13281fa4 LW |
2199 | } |
2200 | ||
b28d0864 | 2201 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 2202 | #ifdef HAS_SETEGID |
b28d0864 | 2203 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 2204 | #else |
fe14fcc3 | 2205 | #ifdef HAS_SETREGID |
b28d0864 | 2206 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
2207 | #else |
2208 | #ifdef HAS_SETRESGID | |
b28d0864 | 2209 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 2210 | #else |
b28d0864 | 2211 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
2212 | #endif |
2213 | #endif | |
85e6fe83 | 2214 | #endif |
b28d0864 | 2215 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
463ee0b2 | 2216 | croak("Can't do setegid!\n"); |
83025b21 | 2217 | } |
b28d0864 NIS |
2218 | if (PL_statbuf.st_mode & S_ISUID) { |
2219 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 2220 | #ifdef HAS_SETEUID |
b28d0864 | 2221 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 2222 | #else |
fe14fcc3 | 2223 | #ifdef HAS_SETREUID |
b28d0864 | 2224 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
2225 | #else |
2226 | #ifdef HAS_SETRESUID | |
b28d0864 | 2227 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 2228 | #else |
b28d0864 | 2229 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
2230 | #endif |
2231 | #endif | |
85e6fe83 | 2232 | #endif |
b28d0864 | 2233 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
463ee0b2 | 2234 | croak("Can't do seteuid!\n"); |
a687059c | 2235 | } |
b28d0864 | 2236 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2237 | #ifdef HAS_SETEUID |
b28d0864 | 2238 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 2239 | #else |
fe14fcc3 | 2240 | #ifdef HAS_SETREUID |
b28d0864 | 2241 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 2242 | #else |
85e6fe83 | 2243 | #ifdef HAS_SETRESUID |
b28d0864 | 2244 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 2245 | #else |
b28d0864 | 2246 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 2247 | #endif |
a687059c LW |
2248 | #endif |
2249 | #endif | |
b28d0864 | 2250 | if (PerlProc_geteuid() != PL_uid) |
463ee0b2 | 2251 | croak("Can't do seteuid!\n"); |
83025b21 | 2252 | } |
748a9306 | 2253 | init_ids(); |
b28d0864 | 2254 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
463ee0b2 | 2255 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2256 | } |
2257 | #ifdef IAMSUID | |
6b88bc9c | 2258 | else if (PL_preprocess) |
463ee0b2 | 2259 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2260 | else if (fdscript >= 0) |
2261 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2262 | else |
463ee0b2 | 2263 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2264 | |
2265 | /* We absolutely must clear out any saved ids here, so we */ | |
2266 | /* exec the real perl, substituting fd script for scriptname. */ | |
2267 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
2268 | PerlIO_rewind(PL_rsfp); |
2269 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
2270 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
2271 | if (!PL_origargv[which]) | |
96436eeb | 2272 | croak("Permission denied"); |
6b88bc9c GS |
2273 | PL_origargv[which] = savepv(form("/dev/fd/%d/%s", |
2274 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); | |
96436eeb | 2275 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 2276 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2277 | #endif |
6b88bc9c | 2278 | PerlProc_execv(form("%s/perl%s", BIN_EXP, PL_patchlevel), PL_origargv);/* try again */ |
96436eeb | 2279 | croak("Can't do setuid\n"); |
13281fa4 | 2280 | #endif /* IAMSUID */ |
a687059c | 2281 | #else /* !DOSUID */ |
3280af22 | 2282 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 2283 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 | 2284 | dTHR; |
b28d0864 NIS |
2285 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
2286 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 2287 | || |
b28d0864 | 2288 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 2289 | ) |
b28d0864 | 2290 | if (!PL_do_undump) |
463ee0b2 | 2291 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2292 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2293 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2294 | /* not set-id, must be wrapped */ | |
a687059c | 2295 | } |
13281fa4 | 2296 | #endif /* DOSUID */ |
79072805 | 2297 | } |
13281fa4 | 2298 | |
76e3520e | 2299 | STATIC void |
8ac85365 | 2300 | find_beginning(void) |
79072805 | 2301 | { |
6e72f9df | 2302 | register char *s, *s2; |
33b78306 LW |
2303 | |
2304 | /* skip forward in input to the real script? */ | |
2305 | ||
bbce6d69 | 2306 | forbid_setid("-x"); |
3280af22 NIS |
2307 | while (PL_doextract) { |
2308 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
463ee0b2 | 2309 | croak("No Perl script found in input\n"); |
6e72f9df | 2310 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
3280af22 NIS |
2311 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
2312 | PL_doextract = FALSE; | |
6e72f9df | 2313 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2314 | s2 = s; | |
2315 | while (*s == ' ' || *s == '\t') s++; | |
2316 | if (*s++ == '-') { | |
2317 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2318 | if (strnEQ(s2-4,"perl",4)) | |
2319 | /*SUPPRESS 530*/ | |
2320 | while (s = moreswitches(s)) ; | |
33b78306 | 2321 | } |
3280af22 NIS |
2322 | if (PL_cddir && PerlDir_chdir(PL_cddir) < 0) |
2323 | croak("Can't chdir to %s",PL_cddir); | |
83025b21 LW |
2324 | } |
2325 | } | |
2326 | } | |
2327 | ||
afe37c7d | 2328 | |
76e3520e | 2329 | STATIC void |
8ac85365 | 2330 | init_ids(void) |
352d5a3a | 2331 | { |
3280af22 NIS |
2332 | PL_uid = (int)PerlProc_getuid(); |
2333 | PL_euid = (int)PerlProc_geteuid(); | |
2334 | PL_gid = (int)PerlProc_getgid(); | |
2335 | PL_egid = (int)PerlProc_getegid(); | |
748a9306 | 2336 | #ifdef VMS |
b28d0864 NIS |
2337 | PL_uid |= PL_gid << 16; |
2338 | PL_euid |= PL_egid << 16; | |
748a9306 | 2339 | #endif |
3280af22 | 2340 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 2341 | } |
79072805 | 2342 | |
76e3520e | 2343 | STATIC void |
8ac85365 | 2344 | forbid_setid(char *s) |
bbce6d69 | 2345 | { |
3280af22 | 2346 | if (PL_euid != PL_uid) |
bbce6d69 | 2347 | croak("No %s allowed while running setuid", s); |
3280af22 | 2348 | if (PL_egid != PL_gid) |
bbce6d69 | 2349 | croak("No %s allowed while running setgid", s); |
2350 | } | |
2351 | ||
76e3520e | 2352 | STATIC void |
8ac85365 | 2353 | init_debugger(void) |
748a9306 | 2354 | { |
11343788 | 2355 | dTHR; |
3280af22 NIS |
2356 | PL_curstash = PL_debstash; |
2357 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); | |
2358 | AvREAL_off(PL_dbargs); | |
2359 | PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); | |
2360 | PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
2361 | PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); | |
2362 | PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
2363 | sv_setiv(PL_DBsingle, 0); | |
2364 | PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); | |
2365 | sv_setiv(PL_DBtrace, 0); | |
2366 | PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); | |
2367 | sv_setiv(PL_DBsignal, 0); | |
2368 | PL_curstash = PL_defstash; | |
352d5a3a LW |
2369 | } |
2370 | ||
2ce36478 SM |
2371 | #ifndef STRESS_REALLOC |
2372 | #define REASONABLE(size) (size) | |
2373 | #else | |
2374 | #define REASONABLE(size) (1) /* unreasonable */ | |
2375 | #endif | |
2376 | ||
11343788 | 2377 | void |
8ac85365 | 2378 | init_stacks(ARGSproto) |
79072805 | 2379 | { |
e336de0d | 2380 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 2381 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 2382 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
2383 | PL_curstackinfo->si_type = PERLSI_MAIN; |
2384 | PL_curstack = PL_curstackinfo->si_stack; | |
2385 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 2386 | |
3280af22 NIS |
2387 | PL_stack_base = AvARRAY(PL_curstack); |
2388 | PL_stack_sp = PL_stack_base; | |
2389 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 2390 | |
3280af22 NIS |
2391 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
2392 | PL_tmps_floor = -1; | |
2393 | PL_tmps_ix = -1; | |
2394 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 2395 | |
3280af22 NIS |
2396 | New(54,PL_markstack,REASONABLE(32),I32); |
2397 | PL_markstack_ptr = PL_markstack; | |
2398 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 2399 | |
e336de0d GS |
2400 | SET_MARKBASE; |
2401 | ||
3280af22 NIS |
2402 | New(54,PL_scopestack,REASONABLE(32),I32); |
2403 | PL_scopestack_ix = 0; | |
2404 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 2405 | |
3280af22 NIS |
2406 | New(54,PL_savestack,REASONABLE(128),ANY); |
2407 | PL_savestack_ix = 0; | |
2408 | PL_savestack_max = REASONABLE(128); | |
79072805 | 2409 | |
3280af22 NIS |
2410 | New(54,PL_retstack,REASONABLE(16),OP*); |
2411 | PL_retstack_ix = 0; | |
2412 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 2413 | } |
33b78306 | 2414 | |
2ce36478 SM |
2415 | #undef REASONABLE |
2416 | ||
76e3520e | 2417 | STATIC void |
8ac85365 | 2418 | nuke_stacks(void) |
6e72f9df | 2419 | { |
e858de61 | 2420 | dTHR; |
3280af22 NIS |
2421 | while (PL_curstackinfo->si_next) |
2422 | PL_curstackinfo = PL_curstackinfo->si_next; | |
2423 | while (PL_curstackinfo) { | |
2424 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 2425 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
2426 | Safefree(PL_curstackinfo->si_cxstack); |
2427 | Safefree(PL_curstackinfo); | |
2428 | PL_curstackinfo = p; | |
e336de0d | 2429 | } |
3280af22 NIS |
2430 | Safefree(PL_tmps_stack); |
2431 | Safefree(PL_markstack); | |
2432 | Safefree(PL_scopestack); | |
2433 | Safefree(PL_savestack); | |
2434 | Safefree(PL_retstack); | |
5f05dabc | 2435 | DEBUG( { |
3280af22 NIS |
2436 | Safefree(PL_debname); |
2437 | Safefree(PL_debdelim); | |
5f05dabc | 2438 | } ) |
378cc40b | 2439 | } |
33b78306 | 2440 | |
76e3520e | 2441 | #ifndef PERL_OBJECT |
760ac839 | 2442 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 2443 | #endif |
7aa04957 | 2444 | |
76e3520e | 2445 | STATIC void |
8ac85365 | 2446 | init_lexer(void) |
8990e307 | 2447 | { |
76e3520e GS |
2448 | #ifdef PERL_OBJECT |
2449 | PerlIO *tmpfp; | |
2450 | #endif | |
3280af22 NIS |
2451 | tmpfp = PL_rsfp; |
2452 | PL_rsfp = Nullfp; | |
2453 | lex_start(PL_linestr); | |
2454 | PL_rsfp = tmpfp; | |
2455 | PL_subname = newSVpv("main",4); | |
8990e307 LW |
2456 | } |
2457 | ||
76e3520e | 2458 | STATIC void |
8ac85365 | 2459 | init_predump_symbols(void) |
45d8adaa | 2460 | { |
11343788 | 2461 | dTHR; |
93a17b20 | 2462 | GV *tmpgv; |
a0d0e21e | 2463 | GV *othergv; |
79072805 | 2464 | |
e1c148c2 | 2465 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
2466 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
2467 | GvMULTI_on(PL_stdingv); | |
2468 | IoIFP(GvIOp(PL_stdingv)) = PerlIO_stdin(); | |
adbc6bb1 | 2469 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2470 | GvMULTI_on(tmpgv); |
3280af22 | 2471 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(PL_stdingv)); |
79072805 | 2472 | |
85e6fe83 | 2473 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2474 | GvMULTI_on(tmpgv); |
760ac839 | 2475 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2476 | setdefout(tmpgv); |
adbc6bb1 | 2477 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2478 | GvMULTI_on(tmpgv); |
3280af22 | 2479 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(PL_defoutgv)); |
79072805 | 2480 | |
a0d0e21e | 2481 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2482 | GvMULTI_on(othergv); |
760ac839 | 2483 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2484 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2485 | GvMULTI_on(tmpgv); |
a0d0e21e | 2486 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 | 2487 | |
3280af22 | 2488 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 2489 | |
3280af22 NIS |
2490 | if (!PL_osname) |
2491 | PL_osname = savepv(OSNAME); | |
79072805 | 2492 | } |
33b78306 | 2493 | |
76e3520e | 2494 | STATIC void |
8ac85365 | 2495 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2496 | { |
a863c7d1 | 2497 | dTHR; |
79072805 LW |
2498 | char *s; |
2499 | SV *sv; | |
2500 | GV* tmpgv; | |
fe14fcc3 | 2501 | |
79072805 | 2502 | argc--,argv++; /* skip name of script */ |
3280af22 | 2503 | if (PL_doswitches) { |
79072805 LW |
2504 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
2505 | if (!argv[0][1]) | |
2506 | break; | |
2507 | if (argv[0][1] == '-') { | |
2508 | argc--,argv++; | |
2509 | break; | |
2510 | } | |
93a17b20 | 2511 | if (s = strchr(argv[0], '=')) { |
79072805 | 2512 | *s++ = '\0'; |
85e6fe83 | 2513 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2514 | } |
2515 | else | |
85e6fe83 | 2516 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2517 | } |
79072805 | 2518 | } |
3280af22 NIS |
2519 | PL_toptarget = NEWSV(0,0); |
2520 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
2521 | sv_setpvn(PL_toptarget, "", 0); | |
2522 | PL_bodytarget = NEWSV(0,0); | |
2523 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
2524 | sv_setpvn(PL_bodytarget, "", 0); | |
2525 | PL_formtarget = PL_bodytarget; | |
79072805 | 2526 | |
bbce6d69 | 2527 | TAINT; |
85e6fe83 | 2528 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
3280af22 | 2529 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 LW |
2530 | magicname("0", "0", 1); |
2531 | } | |
85e6fe83 | 2532 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
3280af22 NIS |
2533 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); |
2534 | if (PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { | |
2535 | GvMULTI_on(PL_argvgv); | |
2536 | (void)gv_AVadd(PL_argvgv); | |
2537 | av_clear(GvAVn(PL_argvgv)); | |
79072805 | 2538 | for (; argc > 0; argc--,argv++) { |
3280af22 | 2539 | av_push(GvAVn(PL_argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2540 | } |
2541 | } | |
3280af22 | 2542 | if (PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2543 | HV *hv; |
3280af22 NIS |
2544 | GvMULTI_on(PL_envgv); |
2545 | hv = GvHVn(PL_envgv); | |
2546 | hv_magic(hv, PL_envgv, 'E'); | |
a0d0e21e | 2547 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2548 | /* Note that if the supplied env parameter is actually a copy |
2549 | of the global environ then it may now point to free'd memory | |
2550 | if the environment has been modified since. To avoid this | |
2551 | problem we treat env==NULL as meaning 'use the default' | |
2552 | */ | |
2553 | if (!env) | |
2554 | env = environ; | |
5aabfad6 | 2555 | if (env != environ) |
79072805 LW |
2556 | environ[0] = Nullch; |
2557 | for (; *env; env++) { | |
93a17b20 | 2558 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2559 | continue; |
2560 | *s++ = '\0'; | |
60ce6247 | 2561 | #if defined(MSDOS) |
137443ea | 2562 | (void)strupr(*env); |
2563 | #endif | |
79072805 LW |
2564 | sv = newSVpv(s--,0); |
2565 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2566 | *s = '='; | |
3e3baf6d TB |
2567 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2568 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 2569 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2570 | #endif |
fe14fcc3 | 2571 | } |
4550b24a | 2572 | #endif |
2573 | #ifdef DYNAMIC_ENV_FETCH | |
2574 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2575 | #endif | |
79072805 | 2576 | } |
bbce6d69 | 2577 | TAINT_NOT; |
85e6fe83 | 2578 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2579 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2580 | } |
34de22dd | 2581 | |
76e3520e | 2582 | STATIC void |
8ac85365 | 2583 | init_perllib(void) |
34de22dd | 2584 | { |
85e6fe83 | 2585 | char *s; |
3280af22 | 2586 | if (!PL_tainting) { |
552a7a9b | 2587 | #ifndef VMS |
76e3520e | 2588 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2589 | if (s) |
774d564b | 2590 | incpush(s, TRUE); |
85e6fe83 | 2591 | else |
76e3520e | 2592 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2593 | #else /* VMS */ |
2594 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2595 | * "natural" VMS idiom for a Unix path string. We allow each | |
2596 | * element to be a set of |-separated directories for compatibility. | |
2597 | */ | |
2598 | char buf[256]; | |
2599 | int idx = 0; | |
2600 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2601 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2602 | else |
774d564b | 2603 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2604 | #endif /* VMS */ |
85e6fe83 | 2605 | } |
34de22dd | 2606 | |
c90c0ff4 | 2607 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2608 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2609 | */ |
4633a7c4 | 2610 | #ifdef APPLLIB_EXP |
43051805 | 2611 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 2612 | #endif |
4633a7c4 | 2613 | |
fed7345c | 2614 | #ifdef ARCHLIB_EXP |
774d564b | 2615 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2616 | #endif |
fed7345c AD |
2617 | #ifndef PRIVLIB_EXP |
2618 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2619 | #endif |
00dc2f4f GS |
2620 | #if defined(WIN32) |
2621 | incpush(PRIVLIB_EXP, TRUE); | |
2622 | #else | |
774d564b | 2623 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f | 2624 | #endif |
4633a7c4 LW |
2625 | |
2626 | #ifdef SITEARCH_EXP | |
774d564b | 2627 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2628 | #endif |
2629 | #ifdef SITELIB_EXP | |
00dc2f4f GS |
2630 | #if defined(WIN32) |
2631 | incpush(SITELIB_EXP, TRUE); | |
2632 | #else | |
774d564b | 2633 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2634 | #endif |
00dc2f4f | 2635 | #endif |
3280af22 | 2636 | if (!PL_tainting) |
774d564b | 2637 | incpush(".", FALSE); |
2638 | } | |
2639 | ||
2640 | #if defined(DOSISH) | |
2641 | # define PERLLIB_SEP ';' | |
2642 | #else | |
2643 | # if defined(VMS) | |
2644 | # define PERLLIB_SEP '|' | |
2645 | # else | |
2646 | # define PERLLIB_SEP ':' | |
2647 | # endif | |
2648 | #endif | |
2649 | #ifndef PERLLIB_MANGLE | |
2650 | # define PERLLIB_MANGLE(s,n) (s) | |
2651 | #endif | |
2652 | ||
76e3520e | 2653 | STATIC void |
8ac85365 | 2654 | incpush(char *p, int addsubdirs) |
774d564b | 2655 | { |
2656 | SV *subdir = Nullsv; | |
774d564b | 2657 | |
2658 | if (!p) | |
2659 | return; | |
2660 | ||
2661 | if (addsubdirs) { | |
00db4c45 | 2662 | subdir = sv_newmortal(); |
3280af22 NIS |
2663 | if (!PL_archpat_auto) { |
2664 | STRLEN len = (sizeof(ARCHNAME) + strlen(PL_patchlevel) | |
774d564b | 2665 | + sizeof("//auto")); |
3280af22 NIS |
2666 | New(55, PL_archpat_auto, len, char); |
2667 | sprintf(PL_archpat_auto, "/%s/%s/auto", ARCHNAME, PL_patchlevel); | |
aa689395 | 2668 | #ifdef VMS |
2669 | for (len = sizeof(ARCHNAME) + 2; | |
6b88bc9c GS |
2670 | PL_archpat_auto[len] != '\0' && PL_archpat_auto[len] != '/'; len++) |
2671 | if (PL_archpat_auto[len] == '.') PL_archpat_auto[len] = '_'; | |
aa689395 | 2672 | #endif |
774d564b | 2673 | } |
2674 | } | |
2675 | ||
2676 | /* Break at all separators */ | |
2677 | while (p && *p) { | |
8c52afec | 2678 | SV *libdir = NEWSV(55,0); |
774d564b | 2679 | char *s; |
2680 | ||
2681 | /* skip any consecutive separators */ | |
2682 | while ( *p == PERLLIB_SEP ) { | |
2683 | /* Uncomment the next line for PATH semantics */ | |
6b88bc9c | 2684 | /* av_push(GvAVn(PL_incgv), newSVpv(".", 1)); */ |
774d564b | 2685 | p++; |
2686 | } | |
2687 | ||
2688 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2689 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2690 | (STRLEN)(s - p)); | |
2691 | p = s + 1; | |
2692 | } | |
2693 | else { | |
2694 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2695 | p = Nullch; /* break out */ | |
2696 | } | |
2697 | ||
2698 | /* | |
2699 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2700 | * archname-specific sub-directories. | |
2701 | */ | |
2702 | if (addsubdirs) { | |
2703 | struct stat tmpstatbuf; | |
aa689395 | 2704 | #ifdef VMS |
2705 | char *unix; | |
2706 | STRLEN len; | |
774d564b | 2707 | |
6b88bc9c | 2708 | if ((unix = tounixspec_ts(SvPV(libdir,PL_na),Nullch)) != Nullch) { |
aa689395 | 2709 | len = strlen(unix); |
2710 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2711 | sv_usepvn(libdir,unix,len); | |
2712 | } | |
2713 | else | |
2714 | PerlIO_printf(PerlIO_stderr(), | |
2715 | "Failed to unixify @INC element \"%s\"\n", | |
6b88bc9c | 2716 | SvPV(libdir,PL_na)); |
aa689395 | 2717 | #endif |
4fdae800 | 2718 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2719 | sv_setsv(subdir, libdir); |
3280af22 | 2720 | sv_catpv(subdir, PL_archpat_auto); |
76e3520e | 2721 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2722 | S_ISDIR(tmpstatbuf.st_mode)) |
3280af22 | 2723 | av_push(GvAVn(PL_incgv), |
774d564b | 2724 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2725 | ||
4fdae800 | 2726 | /* .../archname if -d .../archname/auto */ |
774d564b | 2727 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
3280af22 | 2728 | strlen(PL_patchlevel) + 1, "", 0); |
76e3520e | 2729 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2730 | S_ISDIR(tmpstatbuf.st_mode)) |
3280af22 | 2731 | av_push(GvAVn(PL_incgv), |
774d564b | 2732 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2733 | } | |
2734 | ||
2735 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 2736 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 2737 | } |
34de22dd | 2738 | } |
93a17b20 | 2739 | |
199100c8 | 2740 | #ifdef USE_THREADS |
76e3520e | 2741 | STATIC struct perl_thread * |
199100c8 MB |
2742 | init_main_thread() |
2743 | { | |
52e1cb5e | 2744 | struct perl_thread *thr; |
199100c8 MB |
2745 | XPV *xpv; |
2746 | ||
52e1cb5e | 2747 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 2748 | PL_curcop = &PL_compiling; |
199100c8 | 2749 | thr->cvcache = newHV(); |
54b9620d | 2750 | thr->threadsv = newAV(); |
940cb80d | 2751 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2752 | thr->specific = newAV(); |
38a03e6e | 2753 | thr->errhv = newHV(); |
199100c8 MB |
2754 | thr->flags = THRf_R_JOINABLE; |
2755 | MUTEX_INIT(&thr->mutex); | |
2756 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 2757 | New(53, PL_thrsv, 1, SV); |
199100c8 | 2758 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
2759 | SvFLAGS(PL_thrsv) = SVt_PV; |
2760 | SvANY(PL_thrsv) = (void*)xpv; | |
2761 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
2762 | SvPVX(PL_thrsv) = (char*)thr; | |
2763 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
2764 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
2765 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
2766 | thr->oursv = PL_thrsv; | |
2767 | PL_chopset = " \n-"; | |
2768 | ||
2769 | MUTEX_LOCK(&PL_threads_mutex); | |
2770 | PL_nthreads++; | |
199100c8 MB |
2771 | thr->tid = 0; |
2772 | thr->next = thr; | |
2773 | thr->prev = thr; | |
533c011a | 2774 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 2775 | |
4b026b9e GS |
2776 | #ifdef HAVE_THREAD_INTERN |
2777 | init_thread_intern(thr); | |
235db74f GS |
2778 | #endif |
2779 | ||
2780 | #ifdef SET_THREAD_SELF | |
2781 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2782 | #else |
2783 | thr->self = pthread_self(); | |
235db74f | 2784 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2785 | SET_THR(thr); |
2786 | ||
2787 | /* | |
2788 | * These must come after the SET_THR because sv_setpvn does | |
2789 | * SvTAINT and the taint fields require dTHR. | |
2790 | */ | |
533c011a NIS |
2791 | PL_toptarget = NEWSV(0,0); |
2792 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
2793 | sv_setpvn(PL_toptarget, "", 0); | |
2794 | PL_bodytarget = NEWSV(0,0); | |
2795 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
2796 | sv_setpvn(PL_bodytarget, "", 0); | |
2797 | PL_formtarget = PL_bodytarget; | |
2faa37cc | 2798 | thr->errsv = newSVpv("", 0); |
78857c3c | 2799 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 2800 | |
533c011a NIS |
2801 | PL_maxscream = -1; |
2802 | PL_regcompp = FUNC_NAME_TO_PTR(pregcomp); | |
2803 | PL_regexecp = FUNC_NAME_TO_PTR(regexec_flags); | |
2804 | PL_regindent = 0; | |
2805 | PL_reginterp_cnt = 0; | |
5c0ca799 | 2806 | |
199100c8 MB |
2807 | return thr; |
2808 | } | |
2809 | #endif /* USE_THREADS */ | |
2810 | ||
93a17b20 | 2811 | void |
76e3520e | 2812 | call_list(I32 oldscope, AV *paramList) |
93a17b20 | 2813 | { |
11343788 | 2814 | dTHR; |
3280af22 | 2815 | line_t oldline = PL_curcop->cop_line; |
22921e25 CS |
2816 | STRLEN len; |
2817 | dJMPENV; | |
6224f72b | 2818 | int ret; |
93a17b20 | 2819 | |
76e3520e GS |
2820 | while (AvFILL(paramList) >= 0) { |
2821 | CV *cv = (CV*)av_shift(paramList); | |
93a17b20 | 2822 | |
8990e307 | 2823 | SAVEFREESV(cv); |
a0d0e21e | 2824 | |
6224f72b GS |
2825 | JMPENV_PUSH(ret); |
2826 | switch (ret) { | |
2827 | case 0: { | |
38a03e6e | 2828 | SV* atsv = ERRSV; |
3280af22 | 2829 | PUSHMARK(PL_stack_sp); |
748a9306 | 2830 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); |
12f917ad | 2831 | (void)SvPV(atsv, len); |
748a9306 | 2832 | if (len) { |
54310121 | 2833 | JMPENV_POP; |
3280af22 NIS |
2834 | PL_curcop = &PL_compiling; |
2835 | PL_curcop->cop_line = oldline; | |
2836 | if (paramList == PL_beginav) | |
12f917ad | 2837 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2838 | else |
12f917ad | 2839 | sv_catpv(atsv, "END failed--cleanup aborted"); |
3280af22 | 2840 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 2841 | LEAVE; |
12f917ad | 2842 | croak("%s", SvPVX(atsv)); |
748a9306 | 2843 | } |
a0d0e21e | 2844 | } |
85e6fe83 | 2845 | break; |
6224f72b | 2846 | case 1: |
f86702cc | 2847 | STATUS_ALL_FAILURE; |
85e6fe83 | 2848 | /* FALL THROUGH */ |
6224f72b | 2849 | case 2: |
85e6fe83 | 2850 | /* my_exit() was called */ |
3280af22 | 2851 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 2852 | LEAVE; |
84902520 | 2853 | FREETMPS; |
3280af22 NIS |
2854 | PL_curstash = PL_defstash; |
2855 | if (PL_endav) | |
2856 | call_list(oldscope, PL_endav); | |
54310121 | 2857 | JMPENV_POP; |
3280af22 NIS |
2858 | PL_curcop = &PL_compiling; |
2859 | PL_curcop->cop_line = oldline; | |
2860 | if (PL_statusvalue) { | |
2861 | if (paramList == PL_beginav) | |
a0d0e21e | 2862 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2863 | else |
a0d0e21e | 2864 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2865 | } |
f86702cc | 2866 | my_exit_jump(); |
85e6fe83 | 2867 | /* NOTREACHED */ |
6224f72b | 2868 | case 3: |
3280af22 | 2869 | if (!PL_restartop) { |
760ac839 | 2870 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2871 | FREETMPS; |
85e6fe83 LW |
2872 | break; |
2873 | } | |
54310121 | 2874 | JMPENV_POP; |
3280af22 NIS |
2875 | PL_curcop = &PL_compiling; |
2876 | PL_curcop->cop_line = oldline; | |
6224f72b | 2877 | JMPENV_JUMP(3); |
8990e307 | 2878 | } |
54310121 | 2879 | JMPENV_POP; |
93a17b20 | 2880 | } |
93a17b20 | 2881 | } |
93a17b20 | 2882 | |
f86702cc | 2883 | void |
8ac85365 | 2884 | my_exit(U32 status) |
f86702cc | 2885 | { |
5dc0d613 MB |
2886 | dTHR; |
2887 | ||
8b73bbec | 2888 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 2889 | thr, (unsigned long) status)); |
f86702cc | 2890 | switch (status) { |
2891 | case 0: | |
2892 | STATUS_ALL_SUCCESS; | |
2893 | break; | |
2894 | case 1: | |
2895 | STATUS_ALL_FAILURE; | |
2896 | break; | |
2897 | default: | |
2898 | STATUS_NATIVE_SET(status); | |
2899 | break; | |
2900 | } | |
2901 | my_exit_jump(); | |
2902 | } | |
2903 | ||
2904 | void | |
8ac85365 | 2905 | my_failure_exit(void) |
f86702cc | 2906 | { |
2907 | #ifdef VMS | |
2908 | if (vaxc$errno & 1) { | |
4fdae800 | 2909 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2910 | STATUS_NATIVE_SET(44); | |
f86702cc | 2911 | } |
2912 | else { | |
ff0cee69 | 2913 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2914 | STATUS_NATIVE_SET(44); |
f86702cc | 2915 | else |
4fdae800 | 2916 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2917 | } |
2918 | #else | |
9b599b2a | 2919 | int exitstatus; |
f86702cc | 2920 | if (errno & 255) |
2921 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
2922 | else { |
2923 | exitstatus = STATUS_POSIX >> 8; | |
2924 | if (exitstatus & 255) | |
2925 | STATUS_POSIX_SET(exitstatus); | |
2926 | else | |
2927 | STATUS_POSIX_SET(255); | |
2928 | } | |
f86702cc | 2929 | #endif |
2930 | my_exit_jump(); | |
93a17b20 LW |
2931 | } |
2932 | ||
76e3520e | 2933 | STATIC void |
8ac85365 | 2934 | my_exit_jump(void) |
f86702cc | 2935 | { |
bac4b2ad | 2936 | dSP; |
c09156bb | 2937 | register PERL_CONTEXT *cx; |
f86702cc | 2938 | I32 gimme; |
2939 | SV **newsp; | |
2940 | ||
3280af22 NIS |
2941 | if (PL_e_script) { |
2942 | SvREFCNT_dec(PL_e_script); | |
2943 | PL_e_script = Nullsv; | |
f86702cc | 2944 | } |
2945 | ||
3280af22 | 2946 | POPSTACK_TO(PL_mainstack); |
f86702cc | 2947 | if (cxstack_ix >= 0) { |
2948 | if (cxstack_ix > 0) | |
2949 | dounwind(0); | |
3280af22 | 2950 | POPBLOCK(cx,PL_curpm); |
f86702cc | 2951 | LEAVE; |
2952 | } | |
ff0cee69 | 2953 | |
6224f72b | 2954 | JMPENV_JUMP(2); |
f86702cc | 2955 | } |
873ef191 | 2956 | |
7a5f8e82 DL |
2957 | #ifdef PERL_OBJECT |
2958 | #define NO_XSLOCKS | |
2959 | #endif /* PERL_OBJECT */ | |
873ef191 GS |
2960 | |
2961 | #include "XSUB.h" | |
2962 | ||
2963 | static I32 | |
6224f72b GS |
2964 | #ifdef PERL_OBJECT |
2965 | read_e_script(CPerlObj *pPerl, int idx, SV *buf_sv, int maxlen) | |
2966 | #else | |
2967 | read_e_script(int idx, SV *buf_sv, int maxlen) | |
2968 | #endif | |
873ef191 GS |
2969 | { |
2970 | char *p, *nl; | |
3280af22 | 2971 | p = SvPVX(PL_e_script); |
873ef191 | 2972 | nl = strchr(p, '\n'); |
3280af22 | 2973 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
873ef191 GS |
2974 | if (nl-p == 0) |
2975 | return 0; | |
2976 | sv_catpvn(buf_sv, p, nl-p); | |
3280af22 | 2977 | sv_chop(PL_e_script, nl); |
873ef191 GS |
2978 | return 1; |
2979 | } | |
2980 | ||
1163b5c4 | 2981 |