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 | ||
71be2cbc | 27 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 28 | |
a687059c LW |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID | |
31 | #define DOSUID | |
32 | #endif | |
33 | #endif | |
378cc40b | 34 | |
a687059c LW |
35 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
36 | #ifdef DOSUID | |
37 | #undef DOSUID | |
38 | #endif | |
39 | #endif | |
8d063cd8 | 40 | |
8ebc5c01 | 41 | #define I_REINIT \ |
42 | STMT_START { \ | |
43 | chopset = " \n-"; \ | |
44 | copline = NOLINE; \ | |
45 | curcop = &compiling; \ | |
46 | curcopdb = NULL; \ | |
47 | cxstack_ix = -1; \ | |
48 | cxstack_max = 128; \ | |
49 | dbargs = 0; \ | |
50 | dlmax = 128; \ | |
51 | laststatval = -1; \ | |
52 | laststype = OP_STAT; \ | |
53 | maxscream = -1; \ | |
54 | maxsysfd = MAXSYSFD; \ | |
55 | statname = Nullsv; \ | |
56 | tmps_floor = -1; \ | |
57 | tmps_ix = -1; \ | |
58 | op_mask = NULL; \ | |
59 | dlmax = 128; \ | |
60 | laststatval = -1; \ | |
61 | laststype = OP_STAT; \ | |
46fc3d4c | 62 | mess_sv = Nullsv; \ |
8ebc5c01 | 63 | } STMT_END |
64 | ||
a0d0e21e | 65 | static void find_beginning _((void)); |
bbce6d69 | 66 | static void forbid_setid _((char *)); |
774d564b | 67 | static void incpush _((char *, int)); |
748a9306 | 68 | static void init_ids _((void)); |
a0d0e21e LW |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); | |
71 | static void init_main_stash _((void)); | |
199100c8 | 72 | #ifdef USE_THREADS |
52e1cb5e | 73 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 74 | #endif /* USE_THREADS */ |
a0d0e21e LW |
75 | static void init_perllib _((void)); |
76 | static void init_postdump_symbols _((int, char **, char **)); | |
77 | static void init_predump_symbols _((void)); | |
f86702cc | 78 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 79 | static void nuke_stacks _((void)); |
a0d0e21e | 80 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 81 | static void usage _((char *)); |
96436eeb | 82 | static void validate_suid _((char *, char*)); |
83 | ||
84 | static int fdscript = -1; | |
79072805 | 85 | |
93a17b20 | 86 | PerlInterpreter * |
8ac85365 | 87 | perl_alloc(void) |
79072805 | 88 | { |
93a17b20 | 89 | PerlInterpreter *sv_interp; |
79072805 | 90 | |
8990e307 | 91 | curinterp = 0; |
93a17b20 | 92 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
93 | return sv_interp; |
94 | } | |
95 | ||
96 | void | |
8ac85365 | 97 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 | 98 | { |
a863c7d1 MB |
99 | #ifdef USE_THREADS |
100 | int i; | |
101 | #ifndef FAKE_THREADS | |
52e1cb5e | 102 | struct perl_thread *thr; |
a863c7d1 MB |
103 | #endif /* FAKE_THREADS */ |
104 | #endif /* USE_THREADS */ | |
11343788 | 105 | |
79072805 LW |
106 | if (!(curinterp = sv_interp)) |
107 | return; | |
108 | ||
8990e307 | 109 | #ifdef MULTIPLICITY |
93a17b20 | 110 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 111 | #endif |
79072805 | 112 | |
33f46ff6 | 113 | /* Init the real globals (and main thread)? */ |
c116a00c | 114 | if (!linestr) { |
11343788 | 115 | #ifdef USE_THREADS |
8023c3ce | 116 | |
33f46ff6 | 117 | INIT_THREADS; |
d55594ae GS |
118 | #ifdef ALLOC_THREAD_KEY |
119 | ALLOC_THREAD_KEY; | |
120 | #else | |
a863c7d1 MB |
121 | if (pthread_key_create(&thr_key, 0)) |
122 | croak("panic: pthread_key_create"); | |
d55594ae | 123 | #endif |
c116a00c | 124 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
125 | /* |
126 | * Safe to use basic SV functions from now on (though | |
127 | * not things like mortals or tainting yet). | |
128 | */ | |
c116a00c MB |
129 | MUTEX_INIT(&eval_mutex); |
130 | COND_INIT(&eval_cond); | |
33f46ff6 | 131 | MUTEX_INIT(&threads_mutex); |
c116a00c | 132 | COND_INIT(&nthreads_cond); |
dce16143 MB |
133 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
134 | MUTEX_INIT(&svref_mutex); | |
135 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 136 | |
199100c8 | 137 | thr = init_main_thread(); |
11343788 MB |
138 | #endif /* USE_THREADS */ |
139 | ||
79072805 | 140 | linestr = NEWSV(65,80); |
ed6116ce | 141 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 142 | |
6e72f9df | 143 | if (!SvREADONLY(&sv_undef)) { |
144 | SvREADONLY_on(&sv_undef); | |
79072805 | 145 | |
6e72f9df | 146 | sv_setpv(&sv_no,No); |
147 | SvNV(&sv_no); | |
148 | SvREADONLY_on(&sv_no); | |
79072805 | 149 | |
6e72f9df | 150 | sv_setpv(&sv_yes,Yes); |
151 | SvNV(&sv_yes); | |
152 | SvREADONLY_on(&sv_yes); | |
153 | } | |
79072805 | 154 | |
c07a80fd | 155 | nrs = newSVpv("\n", 1); |
156 | rs = SvREFCNT_inc(nrs); | |
157 | ||
c23142e2 | 158 | sighandlerp = sighandler; |
44a8e56a | 159 | pidstatus = newHV(); |
160 | ||
79072805 LW |
161 | #ifdef MSDOS |
162 | /* | |
163 | * There is no way we can refer to them from Perl so close them to save | |
164 | * space. The other alternative would be to provide STDAUX and STDPRN | |
165 | * filehandles. | |
166 | */ | |
167 | (void)fclose(stdaux); | |
168 | (void)fclose(stdprn); | |
169 | #endif | |
170 | } | |
171 | ||
8990e307 | 172 | #ifdef MULTIPLICITY |
8ebc5c01 | 173 | I_REINIT; |
174 | perl_destruct_level = 1; | |
175 | #else | |
176 | if(perl_destruct_level > 0) | |
177 | I_REINIT; | |
79072805 LW |
178 | #endif |
179 | ||
748a9306 | 180 | init_ids(); |
fb73857a | 181 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 182 | |
54310121 | 183 | start_env.je_prev = NULL; |
184 | start_env.je_ret = -1; | |
185 | start_env.je_mustcatch = TRUE; | |
186 | top_env = &start_env; | |
f86702cc | 187 | STATUS_ALL_SUCCESS; |
188 | ||
36477c24 | 189 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 190 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 191 | sprintf(patchlevel, "%7.5f", (double) 5 |
192 | + ((double) PATCHLEVEL / (double) 1000) | |
193 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 194 | #else |
e2666263 | 195 | sprintf(patchlevel, "%5.3f", (double) 5 + |
196 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 197 | #endif |
79072805 | 198 | |
ab821d7f | 199 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 200 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 201 | #endif |
202 | ||
760ac839 LW |
203 | PerlIO_init(); /* Hook to IO system */ |
204 | ||
79072805 | 205 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 206 | |
11343788 MB |
207 | init_stacks(ARGS); |
208 | DEBUG( { | |
209 | New(51,debname,128,char); | |
210 | New(52,debdelim,128,char); | |
211 | } ) | |
212 | ||
8990e307 | 213 | ENTER; |
79072805 LW |
214 | } |
215 | ||
216 | void | |
8ac85365 | 217 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 218 | { |
11343788 | 219 | dTHR; |
748a9306 | 220 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 221 | I32 last_sv_count; |
a0d0e21e | 222 | HV *hv; |
1f2bfc8a | 223 | #ifdef USE_THREADS |
33f46ff6 | 224 | Thread t; |
1f2bfc8a | 225 | #endif /* USE_THREADS */ |
8990e307 | 226 | |
79072805 LW |
227 | if (!(curinterp = sv_interp)) |
228 | return; | |
748a9306 | 229 | |
11343788 | 230 | #ifdef USE_THREADS |
0f15f207 | 231 | #ifndef FAKE_THREADS |
8023c3ce MB |
232 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
233 | retry_cleanup: | |
33f46ff6 MB |
234 | MUTEX_LOCK(&threads_mutex); |
235 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 236 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
237 | nthreads - 1)); |
238 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
239 | MUTEX_LOCK(&t->mutex); |
240 | switch (ThrSTATE(t)) { | |
241 | AV *av; | |
c7848ba1 MB |
242 | case THRf_ZOMBIE: |
243 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
244 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
245 | ThrSETSTATE(t, THRf_DEAD); |
246 | MUTEX_UNLOCK(&t->mutex); | |
247 | nthreads--; | |
8023c3ce MB |
248 | /* |
249 | * The SvREFCNT_dec below may take a long time (e.g. av | |
250 | * may contain an object scalar whose destructor gets | |
251 | * called) so we have to unlock threads_mutex and start | |
252 | * all over again. | |
253 | */ | |
605e5515 | 254 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 255 | JOIN(t, &av); |
605e5515 | 256 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
257 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
258 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 259 | goto retry_cleanup; |
c7848ba1 MB |
260 | case THRf_R_JOINABLE: |
261 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
262 | "perl_destruct: detaching thread %p\n", t)); | |
263 | ThrSETSTATE(t, THRf_R_DETACHED); | |
264 | /* | |
265 | * We unlock threads_mutex and t->mutex in the opposite order | |
266 | * from which we locked them just so that DETACH won't | |
267 | * deadlock if it panics. It's only a breach of good style | |
268 | * not a bug since they are unlocks not locks. | |
269 | */ | |
270 | MUTEX_UNLOCK(&threads_mutex); | |
271 | DETACH(t); | |
272 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 273 | goto retry_cleanup; |
c7848ba1 MB |
274 | default: |
275 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
276 | "perl_destruct: ignoring %p (state %u)\n", | |
277 | t, ThrSTATE(t))); | |
278 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 279 | /* fall through and out */ |
33f46ff6 MB |
280 | } |
281 | } | |
8023c3ce MB |
282 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
283 | ||
284 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
285 | while (nthreads > 1) |
286 | { | |
33f46ff6 | 287 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 288 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
289 | nthreads - 1)); |
290 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
291 | } |
292 | /* At this point, we're the last thread */ | |
33f46ff6 | 293 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 294 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 295 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 296 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 297 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
298 | #endif /* USE_THREADS */ |
299 | ||
748a9306 | 300 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
301 | #ifdef DEBUGGING |
302 | { | |
303 | char *s; | |
5fd9e9a4 | 304 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 305 | int i = atoi(s); |
306 | if (destruct_level < i) | |
307 | destruct_level = i; | |
308 | } | |
4633a7c4 LW |
309 | } |
310 | #endif | |
311 | ||
8990e307 | 312 | LEAVE; |
a0d0e21e LW |
313 | FREETMPS; |
314 | ||
ff0cee69 | 315 | /* We must account for everything. */ |
316 | ||
317 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 318 | if (main_root) { |
319 | curpad = AvARRAY(comppad); | |
320 | op_free(main_root); | |
ff0cee69 | 321 | main_root = Nullop; |
a0d0e21e | 322 | } |
ff0cee69 | 323 | main_start = Nullop; |
324 | SvREFCNT_dec(main_cv); | |
325 | main_cv = Nullcv; | |
326 | ||
a0d0e21e LW |
327 | if (sv_objcount) { |
328 | /* | |
329 | * Try to destruct global references. We do this first so that the | |
330 | * destructors and destructees still exist. Some sv's might remain. | |
331 | * Non-referenced objects are on their own. | |
332 | */ | |
333 | ||
334 | dirty = TRUE; | |
335 | sv_clean_objs(); | |
8990e307 LW |
336 | } |
337 | ||
5cd24f17 | 338 | /* unhook hooks which will soon be, or use, destroyed data */ |
339 | SvREFCNT_dec(warnhook); | |
340 | warnhook = Nullsv; | |
341 | SvREFCNT_dec(diehook); | |
342 | diehook = Nullsv; | |
343 | SvREFCNT_dec(parsehook); | |
344 | parsehook = Nullsv; | |
345 | ||
a0d0e21e | 346 | if (destruct_level == 0){ |
8990e307 | 347 | |
a0d0e21e LW |
348 | DEBUG_P(debprofdump()); |
349 | ||
350 | /* The exit() function will do everything that needs doing. */ | |
351 | return; | |
352 | } | |
5dd60ef7 | 353 | |
5f05dabc | 354 | /* loosen bonds of global variables */ |
355 | ||
8ebc5c01 | 356 | if(rsfp) { |
357 | (void)PerlIO_close(rsfp); | |
358 | rsfp = Nullfp; | |
359 | } | |
360 | ||
361 | /* Filters for program text */ | |
362 | SvREFCNT_dec(rsfp_filters); | |
363 | rsfp_filters = Nullav; | |
364 | ||
365 | /* switches */ | |
366 | preprocess = FALSE; | |
367 | minus_n = FALSE; | |
368 | minus_p = FALSE; | |
369 | minus_l = FALSE; | |
370 | minus_a = FALSE; | |
371 | minus_F = FALSE; | |
372 | doswitches = FALSE; | |
373 | dowarn = FALSE; | |
374 | doextract = FALSE; | |
375 | sawampersand = FALSE; /* must save all match strings */ | |
376 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
377 | sawvec = FALSE; | |
378 | unsafe = FALSE; | |
379 | ||
380 | Safefree(inplace); | |
381 | inplace = Nullch; | |
382 | ||
383 | Safefree(e_tmpname); | |
384 | e_tmpname = Nullch; | |
385 | ||
386 | if (e_fp) { | |
387 | PerlIO_close(e_fp); | |
388 | e_fp = Nullfp; | |
389 | } | |
390 | ||
391 | /* magical thingies */ | |
392 | ||
393 | Safefree(ofs); /* $, */ | |
394 | ofs = Nullch; | |
5f05dabc | 395 | |
8ebc5c01 | 396 | Safefree(ors); /* $\ */ |
397 | ors = Nullch; | |
398 | ||
399 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 400 | nrs = Nullsv; |
401 | ||
8ebc5c01 | 402 | multiline = 0; /* $* */ |
5f05dabc | 403 | |
8ebc5c01 | 404 | SvREFCNT_dec(statname); |
5f05dabc | 405 | statname = Nullsv; |
406 | statgv = Nullgv; | |
5f05dabc | 407 | |
8ebc5c01 | 408 | /* defgv, aka *_ should be taken care of elsewhere */ |
409 | ||
8ebc5c01 | 410 | /* clean up after study() */ |
411 | SvREFCNT_dec(lastscream); | |
412 | lastscream = Nullsv; | |
413 | Safefree(screamfirst); | |
414 | screamfirst = 0; | |
415 | Safefree(screamnext); | |
416 | screamnext = 0; | |
417 | ||
418 | /* startup and shutdown function lists */ | |
419 | SvREFCNT_dec(beginav); | |
420 | SvREFCNT_dec(endav); | |
77a005ab | 421 | SvREFCNT_dec(initav); |
5618dfe8 | 422 | beginav = Nullav; |
5618dfe8 | 423 | endav = Nullav; |
77a005ab | 424 | initav = Nullav; |
5618dfe8 | 425 | |
8ebc5c01 | 426 | /* temp stack during pp_sort() */ |
427 | SvREFCNT_dec(sortstack); | |
428 | sortstack = Nullav; | |
429 | ||
430 | /* shortcuts just get cleared */ | |
431 | envgv = Nullgv; | |
432 | siggv = Nullgv; | |
433 | incgv = Nullgv; | |
12f917ad | 434 | errgv = Nullgv; |
8ebc5c01 | 435 | argvgv = Nullgv; |
436 | argvoutgv = Nullgv; | |
437 | stdingv = Nullgv; | |
438 | last_in_gv = Nullgv; | |
439 | ||
440 | /* reset so print() ends up where we expect */ | |
441 | setdefout(Nullgv); | |
442 | ||
a0d0e21e | 443 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 444 | |
a0d0e21e | 445 | hv = defstash; |
85e6fe83 | 446 | defstash = 0; |
a0d0e21e LW |
447 | SvREFCNT_dec(hv); |
448 | ||
449 | FREETMPS; | |
450 | if (destruct_level >= 2) { | |
451 | if (scopestack_ix != 0) | |
ff0cee69 | 452 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
453 | (long)scopestack_ix); | |
a0d0e21e | 454 | if (savestack_ix != 0) |
ff0cee69 | 455 | warn("Unbalanced saves: %ld more saves than restores\n", |
456 | (long)savestack_ix); | |
a0d0e21e | 457 | if (tmps_floor != -1) |
ff0cee69 | 458 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
459 | (long)tmps_floor + 1); | |
a0d0e21e | 460 | if (cxstack_ix != -1) |
ff0cee69 | 461 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
462 | (long)cxstack_ix + 1); | |
a0d0e21e | 463 | } |
8990e307 LW |
464 | |
465 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 466 | last_sv_count = 0; |
6e72f9df | 467 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
468 | while (sv_count != 0 && sv_count != last_sv_count) { |
469 | last_sv_count = sv_count; | |
470 | sv_clean_all(); | |
471 | } | |
6e72f9df | 472 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
473 | SvFLAGS(strtab) |= SVt_PVHV; | |
474 | ||
475 | /* Destruct the global string table. */ | |
476 | { | |
477 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
478 | * so that sv_free() won't fail on them. | |
479 | */ | |
480 | I32 riter; | |
481 | I32 max; | |
482 | HE *hent; | |
483 | HE **array; | |
484 | ||
485 | riter = 0; | |
486 | max = HvMAX(strtab); | |
487 | array = HvARRAY(strtab); | |
488 | hent = array[0]; | |
489 | for (;;) { | |
490 | if (hent) { | |
491 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
492 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
493 | HeVAL(hent) = Nullsv; | |
494 | hent = HeNEXT(hent); | |
495 | } | |
496 | if (!hent) { | |
497 | if (++riter > max) | |
498 | break; | |
499 | hent = array[riter]; | |
500 | } | |
501 | } | |
502 | } | |
503 | SvREFCNT_dec(strtab); | |
504 | ||
8990e307 | 505 | if (sv_count != 0) |
ff0cee69 | 506 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 507 | |
4633a7c4 | 508 | sv_free_arenas(); |
44a8e56a | 509 | |
510 | /* No SVs have survived, need to clean out */ | |
511 | linestr = NULL; | |
512 | pidstatus = Nullhv; | |
6e72f9df | 513 | if (origfilename) |
514 | Safefree(origfilename); | |
515 | nuke_stacks(); | |
fc36a67e | 516 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
517 | |
518 | DEBUG_P(debprofdump()); | |
11343788 MB |
519 | #ifdef USE_THREADS |
520 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 521 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 522 | COND_DESTROY(&eval_cond); |
fc36a67e | 523 | |
8023c3ce MB |
524 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
525 | Safefree(SvPVX(thrsv)); | |
526 | Safefree(SvANY(thrsv)); | |
527 | Safefree(thrsv); | |
528 | thrsv = Nullsv; | |
529 | #endif /* USE_THREADS */ | |
530 | ||
fc36a67e | 531 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
532 | ||
533 | if (mess_sv) { | |
534 | /* we know that type >= SVt_PV */ | |
535 | SvOOK_off(mess_sv); | |
536 | Safefree(SvPVX(mess_sv)); | |
537 | Safefree(SvANY(mess_sv)); | |
538 | Safefree(mess_sv); | |
539 | mess_sv = Nullsv; | |
540 | } | |
79072805 LW |
541 | } |
542 | ||
543 | void | |
8ac85365 | 544 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
545 | { |
546 | if (!(curinterp = sv_interp)) | |
547 | return; | |
548 | Safefree(sv_interp); | |
549 | } | |
550 | ||
551 | int | |
8ac85365 | 552 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 553 | { |
11343788 | 554 | dTHR; |
79072805 | 555 | register SV *sv; |
8d063cd8 | 556 | register char *s; |
1a30305b | 557 | char *scriptname = NULL; |
a0d0e21e | 558 | VOL bool dosearch = FALSE; |
13281fa4 | 559 | char *validarg = ""; |
2ae324a7 | 560 | I32 oldscope; |
748a9306 | 561 | AV* comppadlist; |
e5c9fcd0 | 562 | int e_tmpfd = -1; |
54310121 | 563 | dJMPENV; |
22921e25 | 564 | int ret; |
8d063cd8 | 565 | |
a687059c LW |
566 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
567 | #ifdef IAMSUID | |
568 | #undef IAMSUID | |
463ee0b2 | 569 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
570 | setuid perl scripts securely.\n"); |
571 | #endif | |
572 | #endif | |
573 | ||
79072805 LW |
574 | if (!(curinterp = sv_interp)) |
575 | return 255; | |
576 | ||
6e72f9df | 577 | #if defined(NeXT) && defined(__DYNAMIC__) |
578 | _dyld_lookup_and_bind | |
579 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
580 | #endif /* environ */ | |
581 | ||
ac58e20f LW |
582 | origargv = argv; |
583 | origargc = argc; | |
a0d0e21e | 584 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 585 | origenviron = environ; |
a0d0e21e | 586 | #endif |
ab821d7f | 587 | e_tmpname = Nullch; |
a0d0e21e LW |
588 | |
589 | if (do_undump) { | |
590 | ||
591 | /* Come here if running an undumped a.out. */ | |
592 | ||
593 | origfilename = savepv(argv[0]); | |
594 | do_undump = FALSE; | |
595 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 596 | init_ids(); |
a0d0e21e LW |
597 | init_postdump_symbols(argc,argv,env); |
598 | return 0; | |
599 | } | |
600 | ||
ff0cee69 | 601 | if (main_root) { |
602 | curpad = AvARRAY(comppad); | |
a0d0e21e | 603 | op_free(main_root); |
ff0cee69 | 604 | main_root = Nullop; |
605 | } | |
606 | main_start = Nullop; | |
607 | SvREFCNT_dec(main_cv); | |
608 | main_cv = Nullcv; | |
79072805 | 609 | |
f86702cc | 610 | time(&basetime); |
2ae324a7 | 611 | oldscope = scopestack_ix; |
f86702cc | 612 | |
22921e25 CS |
613 | JMPENV_PUSH(ret); |
614 | switch (ret) { | |
79072805 | 615 | case 1: |
f86702cc | 616 | STATUS_ALL_FAILURE; |
617 | /* FALL THROUGH */ | |
79072805 | 618 | case 2: |
f86702cc | 619 | /* my_exit() was called */ |
2ae324a7 | 620 | while (scopestack_ix > oldscope) |
621 | LEAVE; | |
84902520 | 622 | FREETMPS; |
8990e307 LW |
623 | curstash = defstash; |
624 | if (endav) | |
68dc0745 | 625 | call_list(oldscope, endav); |
54310121 | 626 | JMPENV_POP; |
f86702cc | 627 | return STATUS_NATIVE_EXPORT; |
79072805 | 628 | case 3: |
54310121 | 629 | JMPENV_POP; |
760ac839 | 630 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 631 | return 1; |
79072805 LW |
632 | } |
633 | ||
79072805 LW |
634 | sv_setpvn(linestr,"",0); |
635 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 636 | SAVEFREESV(sv); |
79072805 | 637 | init_main_stash(); |
54310121 | 638 | |
33b78306 | 639 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
640 | if (argv[0][0] != '-' || !argv[0][1]) |
641 | break; | |
13281fa4 LW |
642 | #ifdef DOSUID |
643 | if (*validarg) | |
644 | validarg = " PHOOEY "; | |
645 | else | |
646 | validarg = argv[0]; | |
647 | #endif | |
648 | s = argv[0]+1; | |
8d063cd8 | 649 | reswitch: |
13281fa4 | 650 | switch (*s) { |
27e2fb84 | 651 | case '0': |
2304df62 | 652 | case 'F': |
378cc40b | 653 | case 'a': |
33b78306 | 654 | case 'c': |
a687059c | 655 | case 'd': |
8d063cd8 | 656 | case 'D': |
4633a7c4 | 657 | case 'h': |
33b78306 | 658 | case 'i': |
fe14fcc3 | 659 | case 'l': |
1a30305b | 660 | case 'M': |
661 | case 'm': | |
33b78306 LW |
662 | case 'n': |
663 | case 'p': | |
79072805 | 664 | case 's': |
33b78306 LW |
665 | case 'u': |
666 | case 'U': | |
667 | case 'v': | |
668 | case 'w': | |
669 | if (s = moreswitches(s)) | |
670 | goto reswitch; | |
8d063cd8 | 671 | break; |
33b78306 | 672 | |
f86702cc | 673 | case 'T': |
674 | tainting = TRUE; | |
675 | s++; | |
676 | goto reswitch; | |
677 | ||
8d063cd8 | 678 | case 'e': |
a687059c | 679 | if (euid != uid || egid != gid) |
463ee0b2 | 680 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 681 | if (!e_fp) { |
a0d0e21e | 682 | e_tmpname = savepv(TMPPATH); |
e5c9fcd0 AD |
683 | #ifdef HAS_MKSTEMP |
684 | e_tmpfd = PerlLIO_mkstemp(e_tmpname); | |
685 | ||
686 | if (e_tmpfd < 0) | |
687 | croak("Can't mkstemp() temporary file \"%s\"", e_tmpname); | |
688 | e_fp = PerlIO_fdopen(e_tmpfd,"w"); | |
689 | #else /* use mktemp() */ | |
3028581b | 690 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 | 691 | if (!*e_tmpname) |
e5c9fcd0 | 692 | croak("Can't mktemp() temporary file \"%s\"", e_tmpname); |
760ac839 | 693 | e_fp = PerlIO_open(e_tmpname,"w"); |
e5c9fcd0 AD |
694 | #endif /* HAS_MKSTEMP */ |
695 | if (!e_fp) | |
696 | croak("Cannot open temporary file \"%s\"", e_tmpname); | |
8d063cd8 | 697 | } |
552a7a9b | 698 | if (*++s) |
699 | PerlIO_puts(e_fp,s); | |
700 | else if (argv[1]) { | |
760ac839 | 701 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
702 | argc--,argv++; |
703 | } | |
552a7a9b | 704 | else |
705 | croak("No code specified for -e"); | |
760ac839 | 706 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 707 | break; |
fb73857a | 708 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 709 | forbid_setid("-I"); |
fb73857a | 710 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 711 | argc--,argv++; |
8d063cd8 | 712 | } |
fb73857a | 713 | while (s && isSPACE(*s)) |
714 | ++s; | |
715 | if (s && *s) { | |
716 | char *e, *p; | |
717 | for (e = s; *e && !isSPACE(*e); e++) ; | |
718 | p = savepvn(s, e-s); | |
719 | incpush(p, TRUE); | |
720 | sv_catpv(sv,"-I"); | |
721 | sv_catpv(sv,p); | |
722 | sv_catpv(sv," "); | |
723 | Safefree(p); | |
724 | } /* XXX else croak? */ | |
8d063cd8 | 725 | break; |
8d063cd8 | 726 | case 'P': |
bbce6d69 | 727 | forbid_setid("-P"); |
8d063cd8 | 728 | preprocess = TRUE; |
13281fa4 | 729 | s++; |
8d063cd8 | 730 | goto reswitch; |
378cc40b | 731 | case 'S': |
bbce6d69 | 732 | forbid_setid("-S"); |
378cc40b | 733 | dosearch = TRUE; |
13281fa4 | 734 | s++; |
378cc40b | 735 | goto reswitch; |
1a30305b | 736 | case 'V': |
737 | if (!preambleav) | |
738 | preambleav = newAV(); | |
739 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
740 | if (*++s != ':') { | |
6e72f9df | 741 | Sv = newSVpv("print myconfig();",0); |
742 | #ifdef VMS | |
743 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
744 | #else | |
745 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
746 | #endif | |
54310121 | 747 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 748 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 749 | # ifdef DEBUGGING |
46fc3d4c | 750 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 751 | # endif |
54310121 | 752 | # ifdef NO_EMBED |
46fc3d4c | 753 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 754 | # endif |
755 | # ifdef MULTIPLICITY | |
46fc3d4c | 756 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 757 | # endif |
46fc3d4c | 758 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 759 | #endif |
760 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 761 | if (LOCAL_PATCH_COUNT > 0) { |
762 | int i; | |
5cd24f17 | 763 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 764 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 765 | if (localpatches[i]) |
766 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 767 | } |
768 | } | |
769 | #endif | |
46fc3d4c | 770 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 771 | #ifdef __DATE__ |
772 | # ifdef __TIME__ | |
46fc3d4c | 773 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 774 | # else |
46fc3d4c | 775 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 776 | # endif |
6e72f9df | 777 | #endif |
54310121 | 778 | sv_catpv(Sv, "; \ |
779 | $\"=\"\\n \"; \ | |
780 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
781 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
782 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 783 | } |
784 | else { | |
785 | Sv = newSVpv("config_vars(qw(",0); | |
786 | sv_catpv(Sv, ++s); | |
787 | sv_catpv(Sv, "))"); | |
788 | s += strlen(s); | |
789 | } | |
790 | av_push(preambleav, Sv); | |
c07a80fd | 791 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 792 | goto reswitch; |
33b78306 LW |
793 | case 'x': |
794 | doextract = TRUE; | |
13281fa4 | 795 | s++; |
33b78306 | 796 | if (*s) |
a0d0e21e | 797 | cddir = savepv(s); |
33b78306 | 798 | break; |
8d063cd8 LW |
799 | case 0: |
800 | break; | |
fb73857a | 801 | case '-': |
802 | if (!*++s || isSPACE(*s)) { | |
803 | argc--,argv++; | |
804 | goto switch_end; | |
805 | } | |
806 | /* catch use of gnu style long options */ | |
807 | if (strEQ(s, "version")) { | |
808 | s = "v"; | |
809 | goto reswitch; | |
810 | } | |
811 | if (strEQ(s, "help")) { | |
812 | s = "h"; | |
813 | goto reswitch; | |
814 | } | |
815 | s--; | |
816 | /* FALL THROUGH */ | |
8d063cd8 | 817 | default: |
90248788 | 818 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
819 | } |
820 | } | |
821 | switch_end: | |
54310121 | 822 | |
5fd9e9a4 | 823 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a | 824 | while (s && *s) { |
54310121 | 825 | while (isSPACE(*s)) |
826 | s++; | |
827 | if (*s == '-') { | |
828 | s++; | |
829 | if (isSPACE(*s)) | |
830 | continue; | |
831 | } | |
832 | if (!*s) | |
833 | break; | |
834 | if (!strchr("DIMUdmw", *s)) | |
835 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
836 | s = moreswitches(s); | |
837 | } | |
838 | } | |
839 | ||
1a30305b | 840 | if (!scriptname) |
841 | scriptname = argv[0]; | |
8d063cd8 | 842 | if (e_fp) { |
68dc0745 | 843 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
844 | #ifndef MULTIPLICITY | |
845 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
846 | #endif | |
2304df62 | 847 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 848 | } |
ab821d7f | 849 | e_fp = Nullfp; |
8d063cd8 | 850 | argc++,argv--; |
45d8adaa | 851 | scriptname = e_tmpname; |
8d063cd8 | 852 | } |
79072805 LW |
853 | else if (scriptname == Nullch) { |
854 | #ifdef MSDOS | |
3028581b | 855 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 856 | moreswitches("h"); |
fe14fcc3 | 857 | #endif |
79072805 LW |
858 | scriptname = "-"; |
859 | } | |
fe14fcc3 | 860 | |
79072805 | 861 | init_perllib(); |
8d063cd8 | 862 | |
79072805 | 863 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 864 | |
96436eeb | 865 | validate_suid(validarg, scriptname); |
378cc40b | 866 | |
79072805 LW |
867 | if (doextract) |
868 | find_beginning(); | |
869 | ||
4fdae800 | 870 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 871 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 872 | CvUNIQUE_on(compcv); |
748a9306 | 873 | |
6e72f9df | 874 | comppad = newAV(); |
79072805 LW |
875 | av_push(comppad, Nullsv); |
876 | curpad = AvARRAY(comppad); | |
6e72f9df | 877 | comppad_name = newAV(); |
8990e307 | 878 | comppad_name_fill = 0; |
e858de61 MB |
879 | min_intro_pending = 0; |
880 | padix = 0; | |
11343788 MB |
881 | #ifdef USE_THREADS |
882 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 883 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 884 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 885 | CvOWNER(compcv) = 0; |
12ca11f6 | 886 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 887 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 888 | #endif /* USE_THREADS */ |
79072805 | 889 | |
748a9306 LW |
890 | comppadlist = newAV(); |
891 | AvREAL_off(comppadlist); | |
8e07c86e AD |
892 | av_store(comppadlist, 0, (SV*)comppad_name); |
893 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
894 | CvPADLIST(compcv) = comppadlist; |
895 | ||
6e72f9df | 896 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
897 | if (xsinit) |
898 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
39e571d4 | 899 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
900 | init_os_extras(); |
901 | #endif | |
93a17b20 | 902 | |
93a17b20 | 903 | init_predump_symbols(); |
8990e307 LW |
904 | if (!do_undump) |
905 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 906 | |
79072805 LW |
907 | init_lexer(); |
908 | ||
909 | /* now parse the script */ | |
910 | ||
61bb5906 | 911 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
912 | error_count = 0; |
913 | if (yyparse() || error_count) { | |
914 | if (minus_c) | |
463ee0b2 | 915 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 916 | else { |
463ee0b2 | 917 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 918 | origfilename); |
378cc40b | 919 | } |
79072805 LW |
920 | } |
921 | curcop->cop_line = 0; | |
922 | curstash = defstash; | |
923 | preprocess = FALSE; | |
ab821d7f | 924 | if (e_tmpname) { |
79072805 | 925 | (void)UNLINK(e_tmpname); |
ab821d7f | 926 | Safefree(e_tmpname); |
927 | e_tmpname = Nullch; | |
e5c9fcd0 | 928 | e_tmpfd = -1; |
378cc40b | 929 | } |
a687059c | 930 | |
93a17b20 | 931 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 932 | SvREFCNT_dec(rs); |
933 | rs = SvREFCNT_inc(nrs); | |
e1c148c2 | 934 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 LW |
935 | if (do_undump) |
936 | my_unexec(); | |
937 | ||
8990e307 LW |
938 | if (dowarn) |
939 | gv_check(defstash); | |
940 | ||
a0d0e21e LW |
941 | LEAVE; |
942 | FREETMPS; | |
c07a80fd | 943 | |
3562ef9b | 944 | #ifdef MYMALLOC |
5fd9e9a4 | 945 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 946 | dump_mstats("after compilation:"); |
947 | #endif | |
948 | ||
a0d0e21e LW |
949 | ENTER; |
950 | restartop = 0; | |
54310121 | 951 | JMPENV_POP; |
79072805 LW |
952 | return 0; |
953 | } | |
954 | ||
955 | int | |
8ac85365 | 956 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 957 | { |
11343788 | 958 | dTHR; |
2ae324a7 | 959 | I32 oldscope; |
22921e25 CS |
960 | dJMPENV; |
961 | int ret; | |
2ae324a7 | 962 | |
79072805 LW |
963 | if (!(curinterp = sv_interp)) |
964 | return 255; | |
2ae324a7 | 965 | |
966 | oldscope = scopestack_ix; | |
967 | ||
22921e25 CS |
968 | JMPENV_PUSH(ret); |
969 | switch (ret) { | |
79072805 LW |
970 | case 1: |
971 | cxstack_ix = -1; /* start context stack again */ | |
972 | break; | |
973 | case 2: | |
f86702cc | 974 | /* my_exit() was called */ |
2ae324a7 | 975 | while (scopestack_ix > oldscope) |
976 | LEAVE; | |
84902520 | 977 | FREETMPS; |
79072805 | 978 | curstash = defstash; |
93a17b20 | 979 | if (endav) |
68dc0745 | 980 | call_list(oldscope, endav); |
3562ef9b | 981 | #ifdef MYMALLOC |
5fd9e9a4 | 982 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 983 | dump_mstats("after execution: "); |
984 | #endif | |
54310121 | 985 | JMPENV_POP; |
f86702cc | 986 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
987 | case 3: |
988 | if (!restartop) { | |
760ac839 | 989 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 990 | FREETMPS; |
54310121 | 991 | JMPENV_POP; |
8990e307 | 992 | return 1; |
83025b21 | 993 | } |
6e72f9df | 994 | if (curstack != mainstack) { |
79072805 | 995 | dSP; |
6e72f9df | 996 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
997 | } |
998 | break; | |
8d063cd8 | 999 | } |
79072805 | 1000 | |
fb73857a | 1001 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1002 | sawampersand ? "Enabling" : "Omitting")); |
1003 | ||
79072805 LW |
1004 | if (!restartop) { |
1005 | DEBUG_x(dump_all()); | |
760ac839 | 1006 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1007 | #ifdef USE_THREADS |
5dc0d613 MB |
1008 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1009 | (unsigned long) thr)); | |
11343788 | 1010 | #endif /* USE_THREADS */ |
79072805 LW |
1011 | |
1012 | if (minus_c) { | |
760ac839 | 1013 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1014 | my_exit(0); |
1015 | } | |
84902520 | 1016 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1017 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1018 | if (initav) |
1019 | call_list(oldscope, initav); | |
45d8adaa | 1020 | } |
79072805 LW |
1021 | |
1022 | /* do it */ | |
1023 | ||
1024 | if (restartop) { | |
1025 | op = restartop; | |
1026 | restartop = 0; | |
ab821d7f | 1027 | runops(); |
79072805 LW |
1028 | } |
1029 | else if (main_start) { | |
4fdae800 | 1030 | CvDEPTH(main_cv) = 1; |
79072805 | 1031 | op = main_start; |
ab821d7f | 1032 | runops(); |
79072805 | 1033 | } |
79072805 LW |
1034 | |
1035 | my_exit(0); | |
54310121 | 1036 | /* NOTREACHED */ |
a0d0e21e | 1037 | return 0; |
79072805 LW |
1038 | } |
1039 | ||
a0d0e21e | 1040 | SV* |
8ac85365 | 1041 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1042 | { |
2faa37cc | 1043 | GV *gv; |
38a03e6e | 1044 | #ifdef USE_THREADS |
2faa37cc | 1045 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1046 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1047 | if (tmp != NOT_IN_PAD) { |
1048 | dTHR; | |
940cb80d | 1049 | return THREADSV(tmp); |
2faa37cc | 1050 | } |
38a03e6e MB |
1051 | } |
1052 | #endif /* USE_THREADS */ | |
2faa37cc | 1053 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1054 | if (gv) |
1055 | return GvSV(gv); | |
1056 | return Nullsv; | |
1057 | } | |
1058 | ||
1059 | AV* | |
8ac85365 | 1060 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1061 | { |
1062 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1063 | if (create) | |
1064 | return GvAVn(gv); | |
1065 | if (gv) | |
1066 | return GvAV(gv); | |
1067 | return Nullav; | |
1068 | } | |
1069 | ||
1070 | HV* | |
8ac85365 | 1071 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1072 | { |
1073 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1074 | if (create) | |
1075 | return GvHVn(gv); | |
1076 | if (gv) | |
1077 | return GvHV(gv); | |
1078 | return Nullhv; | |
1079 | } | |
1080 | ||
1081 | CV* | |
8ac85365 | 1082 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1083 | { |
1084 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1085 | if (create && !GvCVu(gv)) |
774d564b | 1086 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1087 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1088 | Nullop, |
a0d0e21e LW |
1089 | Nullop); |
1090 | if (gv) | |
8ebc5c01 | 1091 | return GvCVu(gv); |
a0d0e21e LW |
1092 | return Nullcv; |
1093 | } | |
1094 | ||
79072805 LW |
1095 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1096 | ||
a0d0e21e | 1097 | I32 |
22239a37 | 1098 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1099 | |
1100 | /* See G_* flags in cop.h */ | |
1101 | /* null terminated arg list */ | |
8990e307 | 1102 | { |
a0d0e21e | 1103 | dSP; |
8990e307 | 1104 | |
a0d0e21e LW |
1105 | PUSHMARK(sp); |
1106 | if (argv) { | |
8990e307 | 1107 | while (*argv) { |
a0d0e21e | 1108 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1109 | argv++; |
1110 | } | |
a0d0e21e | 1111 | PUTBACK; |
8990e307 | 1112 | } |
22239a37 | 1113 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1114 | } |
1115 | ||
a0d0e21e | 1116 | I32 |
22239a37 | 1117 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1118 | /* name of the subroutine */ |
1119 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1120 | { |
22239a37 | 1121 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1122 | } |
1123 | ||
1124 | I32 | |
8ac85365 NIS |
1125 | perl_call_method(char *methname, I32 flags) |
1126 | /* name of the subroutine */ | |
1127 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1128 | { |
1129 | dSP; | |
1130 | OP myop; | |
1131 | if (!op) | |
1132 | op = &myop; | |
1133 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1134 | PUTBACK; | |
11343788 | 1135 | pp_method(ARGS); |
a0d0e21e LW |
1136 | return perl_call_sv(*stack_sp--, flags); |
1137 | } | |
1138 | ||
1139 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1140 | I32 | |
8ac85365 NIS |
1141 | perl_call_sv(SV *sv, I32 flags) |
1142 | ||
1143 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1144 | { |
11343788 | 1145 | dTHR; |
a0d0e21e LW |
1146 | LOGOP myop; /* fake syntax tree node */ |
1147 | SV** sp = stack_sp; | |
aa689395 | 1148 | I32 oldmark; |
a0d0e21e | 1149 | I32 retval; |
a0d0e21e | 1150 | I32 oldscope; |
6e72f9df | 1151 | static CV *DBcv; |
54310121 | 1152 | bool oldcatch = CATCH_GET; |
1153 | dJMPENV; | |
22921e25 | 1154 | int ret; |
d6602a8c | 1155 | OP* oldop = op; |
1e422769 | 1156 | |
a0d0e21e LW |
1157 | if (flags & G_DISCARD) { |
1158 | ENTER; | |
1159 | SAVETMPS; | |
1160 | } | |
1161 | ||
aa689395 | 1162 | Zero(&myop, 1, LOGOP); |
54310121 | 1163 | myop.op_next = Nullop; |
f51d4af5 | 1164 | if (!(flags & G_NOARGS)) |
aa689395 | 1165 | myop.op_flags |= OPf_STACKED; |
54310121 | 1166 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1167 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1168 | OPf_WANT_SCALAR); | |
462e5cf6 | 1169 | SAVEOP(); |
a0d0e21e | 1170 | op = (OP*)&myop; |
aa689395 | 1171 | |
a0d0e21e LW |
1172 | EXTEND(stack_sp, 1); |
1173 | *++stack_sp = sv; | |
aa689395 | 1174 | oldmark = TOPMARK; |
a0d0e21e LW |
1175 | oldscope = scopestack_ix; |
1176 | ||
84902520 | 1177 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1178 | /* Handle first BEGIN of -d. */ |
1179 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1180 | /* Try harder, since this may have been a sighandler, thus | |
1181 | * curstash may be meaningless. */ | |
1182 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1183 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1184 | |
1185 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1186 | cLOGOP->op_other = op; |
1187 | markstack_ptr--; | |
4633a7c4 LW |
1188 | /* we're trying to emulate pp_entertry() here */ |
1189 | { | |
c09156bb | 1190 | register PERL_CONTEXT *cx; |
54310121 | 1191 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1192 | |
1193 | ENTER; | |
1194 | SAVETMPS; | |
1195 | ||
1196 | push_return(op->op_next); | |
1197 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1198 | PUSHEVAL(cx, 0, 0); | |
1199 | eval_root = op; /* Only needed so that goto works right. */ | |
1200 | ||
1201 | in_eval = 1; | |
1202 | if (flags & G_KEEPERR) | |
1203 | in_eval |= 4; | |
1204 | else | |
38a03e6e | 1205 | sv_setpv(ERRSV,""); |
4633a7c4 | 1206 | } |
a0d0e21e LW |
1207 | markstack_ptr++; |
1208 | ||
22921e25 CS |
1209 | JMPENV_PUSH(ret); |
1210 | switch (ret) { | |
a0d0e21e LW |
1211 | case 0: |
1212 | break; | |
1213 | case 1: | |
f86702cc | 1214 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1215 | /* FALL THROUGH */ |
1216 | case 2: | |
1217 | /* my_exit() was called */ | |
1218 | curstash = defstash; | |
1219 | FREETMPS; | |
54310121 | 1220 | JMPENV_POP; |
a0d0e21e LW |
1221 | if (statusvalue) |
1222 | croak("Callback called exit"); | |
f86702cc | 1223 | my_exit_jump(); |
a0d0e21e LW |
1224 | /* NOTREACHED */ |
1225 | case 3: | |
1226 | if (restartop) { | |
1227 | op = restartop; | |
1228 | restartop = 0; | |
54310121 | 1229 | break; |
a0d0e21e LW |
1230 | } |
1231 | stack_sp = stack_base + oldmark; | |
1232 | if (flags & G_ARRAY) | |
1233 | retval = 0; | |
1234 | else { | |
1235 | retval = 1; | |
1236 | *++stack_sp = &sv_undef; | |
1237 | } | |
1238 | goto cleanup; | |
1239 | } | |
1240 | } | |
1e422769 | 1241 | else |
54310121 | 1242 | CATCH_SET(TRUE); |
a0d0e21e LW |
1243 | |
1244 | if (op == (OP*)&myop) | |
11343788 | 1245 | op = pp_entersub(ARGS); |
a0d0e21e | 1246 | if (op) |
ab821d7f | 1247 | runops(); |
a0d0e21e | 1248 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1249 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1250 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1251 | |
1252 | cleanup: | |
1253 | if (flags & G_EVAL) { | |
1254 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1255 | SV **newsp; |
1256 | PMOP *newpm; | |
1257 | I32 gimme; | |
c09156bb | 1258 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1259 | I32 optype; |
1260 | ||
1261 | POPBLOCK(cx,newpm); | |
1262 | POPEVAL(cx); | |
1263 | pop_return(); | |
1264 | curpm = newpm; | |
1265 | LEAVE; | |
a0d0e21e | 1266 | } |
54310121 | 1267 | JMPENV_POP; |
a0d0e21e | 1268 | } |
1e422769 | 1269 | else |
54310121 | 1270 | CATCH_SET(oldcatch); |
1e422769 | 1271 | |
a0d0e21e LW |
1272 | if (flags & G_DISCARD) { |
1273 | stack_sp = stack_base + oldmark; | |
1274 | retval = 0; | |
1275 | FREETMPS; | |
1276 | LEAVE; | |
1277 | } | |
d6602a8c | 1278 | op = oldop; |
a0d0e21e LW |
1279 | return retval; |
1280 | } | |
1281 | ||
6e72f9df | 1282 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1283 | |
a0d0e21e | 1284 | I32 |
8ac85365 NIS |
1285 | perl_eval_sv(SV *sv, I32 flags) |
1286 | ||
1287 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1288 | { |
11343788 | 1289 | dTHR; |
a0d0e21e | 1290 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1291 | SV** sp = stack_sp; |
1292 | I32 oldmark = sp - stack_base; | |
1293 | I32 retval; | |
4633a7c4 | 1294 | I32 oldscope; |
54310121 | 1295 | dJMPENV; |
22921e25 | 1296 | int ret; |
84902520 TB |
1297 | OP* oldop = op; |
1298 | ||
4633a7c4 LW |
1299 | if (flags & G_DISCARD) { |
1300 | ENTER; | |
1301 | SAVETMPS; | |
1302 | } | |
1303 | ||
462e5cf6 | 1304 | SAVEOP(); |
79072805 | 1305 | op = (OP*)&myop; |
a0d0e21e | 1306 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1307 | EXTEND(stack_sp, 1); |
1308 | *++stack_sp = sv; | |
1309 | oldscope = scopestack_ix; | |
79072805 | 1310 | |
4633a7c4 LW |
1311 | if (!(flags & G_NOARGS)) |
1312 | myop.op_flags = OPf_STACKED; | |
79072805 | 1313 | myop.op_next = Nullop; |
6e72f9df | 1314 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1315 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1316 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1317 | OPf_WANT_SCALAR); | |
6e72f9df | 1318 | if (flags & G_KEEPERR) |
1319 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1320 | |
22921e25 CS |
1321 | JMPENV_PUSH(ret); |
1322 | switch (ret) { | |
4633a7c4 LW |
1323 | case 0: |
1324 | break; | |
1325 | case 1: | |
f86702cc | 1326 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1327 | /* FALL THROUGH */ |
1328 | case 2: | |
1329 | /* my_exit() was called */ | |
1330 | curstash = defstash; | |
1331 | FREETMPS; | |
54310121 | 1332 | JMPENV_POP; |
4633a7c4 LW |
1333 | if (statusvalue) |
1334 | croak("Callback called exit"); | |
f86702cc | 1335 | my_exit_jump(); |
4633a7c4 LW |
1336 | /* NOTREACHED */ |
1337 | case 3: | |
1338 | if (restartop) { | |
1339 | op = restartop; | |
1340 | restartop = 0; | |
54310121 | 1341 | break; |
4633a7c4 LW |
1342 | } |
1343 | stack_sp = stack_base + oldmark; | |
1344 | if (flags & G_ARRAY) | |
1345 | retval = 0; | |
1346 | else { | |
1347 | retval = 1; | |
1348 | *++stack_sp = &sv_undef; | |
1349 | } | |
1350 | goto cleanup; | |
1351 | } | |
1352 | ||
1353 | if (op == (OP*)&myop) | |
11343788 | 1354 | op = pp_entereval(ARGS); |
4633a7c4 | 1355 | if (op) |
ab821d7f | 1356 | runops(); |
4633a7c4 | 1357 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1358 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1359 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1360 | |
1361 | cleanup: | |
54310121 | 1362 | JMPENV_POP; |
4633a7c4 LW |
1363 | if (flags & G_DISCARD) { |
1364 | stack_sp = stack_base + oldmark; | |
1365 | retval = 0; | |
1366 | FREETMPS; | |
1367 | LEAVE; | |
1368 | } | |
84902520 | 1369 | op = oldop; |
4633a7c4 LW |
1370 | return retval; |
1371 | } | |
1372 | ||
137443ea | 1373 | SV* |
8ac85365 | 1374 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1375 | { |
1376 | dSP; | |
1377 | SV* sv = newSVpv(p, 0); | |
1378 | ||
1379 | PUSHMARK(sp); | |
1380 | perl_eval_sv(sv, G_SCALAR); | |
1381 | SvREFCNT_dec(sv); | |
1382 | ||
1383 | SPAGAIN; | |
1384 | sv = POPs; | |
1385 | PUTBACK; | |
1386 | ||
38a03e6e MB |
1387 | if (croak_on_error && SvTRUE(ERRSV)) |
1388 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1389 | |
1390 | return sv; | |
1391 | } | |
1392 | ||
4633a7c4 LW |
1393 | /* Require a module. */ |
1394 | ||
1395 | void | |
8ac85365 | 1396 | perl_require_pv(char *pv) |
4633a7c4 LW |
1397 | { |
1398 | SV* sv = sv_newmortal(); | |
1399 | sv_setpv(sv, "require '"); | |
1400 | sv_catpv(sv, pv); | |
1401 | sv_catpv(sv, "'"); | |
1402 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1403 | } |
1404 | ||
79072805 | 1405 | void |
8ac85365 | 1406 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1407 | { |
1408 | register GV *gv; | |
1409 | ||
85e6fe83 | 1410 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1411 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1412 | } | |
1413 | ||
ab821d7f | 1414 | static void |
8ac85365 NIS |
1415 | usage(char *name) /* XXX move this out into a module ? */ |
1416 | ||
4633a7c4 | 1417 | { |
ab821d7f | 1418 | /* This message really ought to be max 23 lines. |
1419 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1420 | |
1421 | static char *usage[] = { | |
1422 | "-0[octal] specify record separator (\\0, if no argument)", | |
1423 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1424 | "-c check syntax only (runs BEGIN and END blocks)", | |
1425 | "-d[:debugger] run scripts under debugger", | |
1426 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1427 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1428 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1429 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1430 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1431 | "-l[octal] enable line ending processing, specifies line terminator", | |
1432 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1433 | "-n assume 'while (<>) { ... }' loop around your script", | |
1434 | "-p assume loop like -n but print line also like sed", | |
1435 | "-P run script through C preprocessor before compilation", | |
1436 | "-s enable some switch parsing for switches after script name", | |
1437 | "-S look for the script using PATH environment variable", | |
1438 | "-T turn on tainting checks", | |
1439 | "-u dump core after parsing script", | |
1440 | "-U allow unsafe operations", | |
1441 | "-v print version number and patchlevel of perl", | |
1442 | "-V[:variable] print perl configuration information", | |
1443 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1444 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1445 | "\n", | |
1446 | NULL | |
1447 | }; | |
1448 | char **p = usage; | |
1449 | ||
ab821d7f | 1450 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1451 | while (*p) |
1452 | printf("\n %s", *p++); | |
4633a7c4 LW |
1453 | } |
1454 | ||
79072805 LW |
1455 | /* This routine handles any switches that can be given during run */ |
1456 | ||
1457 | char * | |
8ac85365 | 1458 | moreswitches(char *s) |
79072805 LW |
1459 | { |
1460 | I32 numlen; | |
c07a80fd | 1461 | U32 rschar; |
79072805 LW |
1462 | |
1463 | switch (*s) { | |
1464 | case '0': | |
a863c7d1 MB |
1465 | { |
1466 | dTHR; | |
c07a80fd | 1467 | rschar = scan_oct(s, 4, &numlen); |
1468 | SvREFCNT_dec(nrs); | |
1469 | if (rschar & ~((U8)~0)) | |
1470 | nrs = &sv_undef; | |
1471 | else if (!rschar && numlen >= 2) | |
1472 | nrs = newSVpv("", 0); | |
1473 | else { | |
1474 | char ch = rschar; | |
1475 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1476 | } |
1477 | return s + numlen; | |
a863c7d1 | 1478 | } |
2304df62 AD |
1479 | case 'F': |
1480 | minus_F = TRUE; | |
a0d0e21e | 1481 | splitstr = savepv(s + 1); |
2304df62 AD |
1482 | s += strlen(s); |
1483 | return s; | |
79072805 LW |
1484 | case 'a': |
1485 | minus_a = TRUE; | |
1486 | s++; | |
1487 | return s; | |
1488 | case 'c': | |
1489 | minus_c = TRUE; | |
1490 | s++; | |
1491 | return s; | |
1492 | case 'd': | |
bbce6d69 | 1493 | forbid_setid("-d"); |
4633a7c4 | 1494 | s++; |
c07a80fd | 1495 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1496 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1497 | s += strlen(s); |
4633a7c4 | 1498 | } |
a0d0e21e | 1499 | if (!perldb) { |
84902520 | 1500 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1501 | init_debugger(); |
1502 | } | |
79072805 LW |
1503 | return s; |
1504 | case 'D': | |
1505 | #ifdef DEBUGGING | |
bbce6d69 | 1506 | forbid_setid("-D"); |
79072805 | 1507 | if (isALPHA(s[1])) { |
8990e307 | 1508 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1509 | char *d; |
1510 | ||
93a17b20 | 1511 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1512 | debug |= 1 << (d - debopts); |
1513 | } | |
1514 | else { | |
1515 | debug = atoi(s+1); | |
1516 | for (s++; isDIGIT(*s); s++) ; | |
1517 | } | |
8990e307 | 1518 | debug |= 0x80000000; |
79072805 LW |
1519 | #else |
1520 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1521 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1522 | #endif |
1523 | /*SUPPRESS 530*/ | |
1524 | return s; | |
4633a7c4 LW |
1525 | case 'h': |
1526 | usage(origargv[0]); | |
3028581b | 1527 | PerlProc_exit(0); |
79072805 LW |
1528 | case 'i': |
1529 | if (inplace) | |
1530 | Safefree(inplace); | |
a0d0e21e | 1531 | inplace = savepv(s+1); |
79072805 LW |
1532 | /*SUPPRESS 530*/ |
1533 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1534 | if (*s) |
1535 | *s++ = '\0'; | |
1536 | return s; | |
1537 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1538 | forbid_setid("-I"); |
fb73857a | 1539 | ++s; |
1540 | while (*s && isSPACE(*s)) | |
1541 | ++s; | |
1542 | if (*s) { | |
774d564b | 1543 | char *e, *p; |
748a9306 | 1544 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1545 | p = savepvn(s, e-s); |
1546 | incpush(p, TRUE); | |
1547 | Safefree(p); | |
fb73857a | 1548 | s = e; |
79072805 LW |
1549 | } |
1550 | else | |
463ee0b2 | 1551 | croak("No space allowed after -I"); |
fb73857a | 1552 | return s; |
79072805 LW |
1553 | case 'l': |
1554 | minus_l = TRUE; | |
1555 | s++; | |
a0d0e21e LW |
1556 | if (ors) |
1557 | Safefree(ors); | |
79072805 | 1558 | if (isDIGIT(*s)) { |
a0d0e21e | 1559 | ors = savepv("\n"); |
79072805 LW |
1560 | orslen = 1; |
1561 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1562 | s += numlen; | |
1563 | } | |
1564 | else { | |
a863c7d1 | 1565 | dTHR; |
c07a80fd | 1566 | if (RsPARA(nrs)) { |
6e72f9df | 1567 | ors = "\n\n"; |
c07a80fd | 1568 | orslen = 2; |
1569 | } | |
1570 | else | |
1571 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1572 | ors = savepvn(ors, orslen); |
79072805 LW |
1573 | } |
1574 | return s; | |
1a30305b | 1575 | case 'M': |
bbce6d69 | 1576 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1577 | /* FALL THROUGH */ |
1578 | case 'm': | |
bbce6d69 | 1579 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1580 | if (*++s) { |
a5f75d66 | 1581 | char *start; |
11343788 | 1582 | SV *sv; |
a5f75d66 AD |
1583 | char *use = "use "; |
1584 | /* -M-foo == 'no foo' */ | |
1585 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1586 | sv = newSVpv(use,0); |
a5f75d66 | 1587 | start = s; |
1a30305b | 1588 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1589 | while(isALNUM(*s) || *s==':') ++s; |
1590 | if (*s != '=') { | |
11343788 | 1591 | sv_catpv(sv, start); |
c07a80fd | 1592 | if (*(start-1) == 'm') { |
1593 | if (*s != '\0') | |
1594 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1595 | sv_catpv( sv, " ()"); |
c07a80fd | 1596 | } |
1597 | } else { | |
11343788 MB |
1598 | sv_catpvn(sv, start, s-start); |
1599 | sv_catpv(sv, " split(/,/,q{"); | |
1600 | sv_catpv(sv, ++s); | |
1601 | sv_catpv(sv, "})"); | |
c07a80fd | 1602 | } |
1a30305b | 1603 | s += strlen(s); |
c07a80fd | 1604 | if (preambleav == NULL) |
1605 | preambleav = newAV(); | |
11343788 | 1606 | av_push(preambleav, sv); |
1a30305b | 1607 | } |
1608 | else | |
1609 | croak("No space allowed after -%c", *(s-1)); | |
1610 | return s; | |
79072805 LW |
1611 | case 'n': |
1612 | minus_n = TRUE; | |
1613 | s++; | |
1614 | return s; | |
1615 | case 'p': | |
1616 | minus_p = TRUE; | |
1617 | s++; | |
1618 | return s; | |
1619 | case 's': | |
bbce6d69 | 1620 | forbid_setid("-s"); |
79072805 LW |
1621 | doswitches = TRUE; |
1622 | s++; | |
1623 | return s; | |
463ee0b2 | 1624 | case 'T': |
f86702cc | 1625 | if (!tainting) |
9607fc9c | 1626 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1627 | s++; |
1628 | return s; | |
79072805 LW |
1629 | case 'u': |
1630 | do_undump = TRUE; | |
1631 | s++; | |
1632 | return s; | |
1633 | case 'U': | |
1634 | unsafe = TRUE; | |
1635 | s++; | |
1636 | return s; | |
1637 | case 'v': | |
a5f75d66 | 1638 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1639 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1640 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1641 | #else |
fb73857a | 1642 | printf("\nThis is perl, version %s built for %s", |
1643 | patchlevel, ARCHNAME); | |
1644 | #endif | |
1645 | #if defined(LOCAL_PATCH_COUNT) | |
1646 | if (LOCAL_PATCH_COUNT > 0) | |
1647 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1648 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1649 | #endif |
1a30305b | 1650 | |
a411490c | 1651 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1652 | #ifdef MSDOS |
fb73857a | 1653 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1654 | #endif |
1655 | #ifdef DJGPP | |
1656 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1657 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1658 | #endif |
79072805 | 1659 | #ifdef OS2 |
5dd60ef7 | 1660 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1661 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1662 | #endif |
79072805 | 1663 | #ifdef atarist |
760ac839 | 1664 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1665 | #endif |
760ac839 | 1666 | printf("\n\ |
79072805 | 1667 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1668 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
3028581b | 1669 | PerlProc_exit(0); |
79072805 LW |
1670 | case 'w': |
1671 | dowarn = TRUE; | |
1672 | s++; | |
1673 | return s; | |
a0d0e21e | 1674 | case '*': |
79072805 LW |
1675 | case ' ': |
1676 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1677 | return s+2; | |
1678 | break; | |
a0d0e21e | 1679 | case '-': |
79072805 | 1680 | case 0: |
a868473f NIS |
1681 | #ifdef WIN32 |
1682 | case '\r': | |
1683 | #endif | |
79072805 LW |
1684 | case '\n': |
1685 | case '\t': | |
1686 | break; | |
aa689395 | 1687 | #ifdef ALTERNATE_SHEBANG |
1688 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1689 | break; | |
1690 | #endif | |
a0d0e21e LW |
1691 | case 'P': |
1692 | if (preprocess) | |
1693 | return s+1; | |
1694 | /* FALL THROUGH */ | |
79072805 | 1695 | default: |
a0d0e21e | 1696 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1697 | } |
1698 | return Nullch; | |
1699 | } | |
1700 | ||
1701 | /* compliments of Tom Christiansen */ | |
1702 | ||
1703 | /* unexec() can be found in the Gnu emacs distribution */ | |
1704 | ||
1705 | void | |
8ac85365 | 1706 | my_unexec(void) |
79072805 LW |
1707 | { |
1708 | #ifdef UNEXEC | |
46fc3d4c | 1709 | SV* prog; |
1710 | SV* file; | |
79072805 LW |
1711 | int status; |
1712 | extern int etext; | |
1713 | ||
46fc3d4c | 1714 | prog = newSVpv(BIN_EXP); |
1715 | sv_catpv(prog, "/perl"); | |
1716 | file = newSVpv(origfilename); | |
1717 | sv_catpv(file, ".perldump"); | |
79072805 | 1718 | |
46fc3d4c | 1719 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1720 | if (status) |
46fc3d4c | 1721 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1722 | SvPVX(prog), SvPVX(file)); | |
3028581b | 1723 | PerlProc_exit(status); |
79072805 | 1724 | #else |
a5f75d66 AD |
1725 | # ifdef VMS |
1726 | # include <lib$routines.h> | |
1727 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1728 | # else |
79072805 | 1729 | ABORT(); /* for use with undump */ |
aa689395 | 1730 | # endif |
a5f75d66 | 1731 | #endif |
79072805 LW |
1732 | } |
1733 | ||
1734 | static void | |
8ac85365 | 1735 | init_main_stash(void) |
79072805 | 1736 | { |
11343788 | 1737 | dTHR; |
463ee0b2 | 1738 | GV *gv; |
6e72f9df | 1739 | |
1740 | /* Note that strtab is a rather special HV. Assumptions are made | |
1741 | about not iterating on it, and not adding tie magic to it. | |
1742 | It is properly deallocated in perl_destruct() */ | |
1743 | strtab = newHV(); | |
1744 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1745 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1746 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1747 | ||
463ee0b2 | 1748 | curstash = defstash = newHV(); |
79072805 | 1749 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1750 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1751 | SvREFCNT_dec(GvHV(gv)); | |
1752 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1753 | SvREADONLY_on(gv); |
a0d0e21e | 1754 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1755 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1756 | GvMULTI_on(incgv); |
a0d0e21e | 1757 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1758 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1759 | GvMULTI_on(errgv); | |
84902520 | 1760 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1761 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1762 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1763 | curstash = defstash; |
1764 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1765 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1766 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1767 | /* We must init $/ before switches are processed. */ |
1768 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1769 | } |
1770 | ||
a0d0e21e LW |
1771 | static void |
1772 | open_script(char *scriptname, bool dosearch, SV *sv) | |
79072805 | 1773 | { |
0f15f207 | 1774 | dTHR; |
79072805 LW |
1775 | char *xfound = Nullch; |
1776 | char *xfailed = Nullch; | |
1777 | register char *s; | |
1778 | I32 len; | |
a38d6535 LW |
1779 | int retval; |
1780 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1781 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1782 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1783 | #endif |
d8c2d278 IZ |
1784 | #ifdef OS2 |
1785 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1786 | # define MAX_EXT_LEN 4 | |
1787 | #endif | |
ab821d7f | 1788 | #ifdef VMS |
1789 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1790 | # define MAX_EXT_LEN 4 |
ab821d7f | 1791 | #endif |
a38d6535 LW |
1792 | /* additional extensions to try in each dir if scriptname not found */ |
1793 | #ifdef SEARCH_EXTS | |
1794 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1795 | int extidx = 0, i = 0; |
1796 | char *curext = Nullch; | |
fc36a67e | 1797 | #else |
1798 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1799 | #endif |
79072805 | 1800 | |
2a92aaa0 GS |
1801 | /* |
1802 | * If dosearch is true and if scriptname does not contain path | |
1803 | * delimiters, search the PATH for scriptname. | |
1804 | * | |
1805 | * If SEARCH_EXTS is also defined, will look for each | |
1806 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1807 | * while searching the PATH. | |
1808 | * | |
1809 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1810 | * proceeds as follows: | |
61bb5906 | 1811 | * If DOSISH or VMSISH: |
2a92aaa0 GS |
1812 | * + look for ./scriptname{,.foo,.bar} |
1813 | * + search the PATH for scriptname{,.foo,.bar} | |
1814 | * | |
1815 | * If !DOSISH: | |
1816 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1817 | * this will not look in '.' if it's not in the PATH) | |
1818 | */ | |
1819 | ||
c07a80fd | 1820 | #ifdef VMS |
61bb5906 CB |
1821 | # ifdef ALWAYS_DEFTYPES |
1822 | len = strlen(scriptname); | |
1823 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
1824 | int hasdir, idx = 0, deftypes = 1; | |
1825 | bool seen_dot = 1; | |
1826 | ||
1827 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
1828 | # else | |
6e72f9df | 1829 | if (dosearch) { |
1830 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1831 | bool seen_dot = 1; |
6e72f9df | 1832 | |
1833 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
61bb5906 | 1834 | # endif |
6e72f9df | 1835 | /* The first time through, just add SEARCH_EXTS to whatever we |
1836 | * already have, so we can check for default file types. */ | |
fc36a67e | 1837 | while (deftypes || |
1838 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1839 | { | |
1840 | if (deftypes) { | |
1841 | deftypes = 0; | |
1842 | *tokenbuf = '\0'; | |
1843 | } | |
1844 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1845 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1846 | continue; /* don't search dir with too-long name */ | |
1847 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1848 | #else /* !VMS */ |
2a92aaa0 | 1849 | |
fc36a67e | 1850 | #ifdef DOSISH |
2a92aaa0 | 1851 | if (strEQ(scriptname, "-")) |
84902520 | 1852 | dosearch = 0; |
2a92aaa0 GS |
1853 | if (dosearch) { /* Look in '.' first. */ |
1854 | char *cur = scriptname; | |
1855 | #ifdef SEARCH_EXTS | |
1856 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1857 | while (ext[i]) | |
1858 | if (strEQ(ext[i++],curext)) { | |
1859 | extidx = -1; /* already has an ext */ | |
1860 | break; | |
1861 | } | |
1862 | do { | |
79072805 | 1863 | #endif |
2a92aaa0 GS |
1864 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1865 | "Looking for %s\n",cur)); | |
1866 | if (Stat(cur,&statbuf) >= 0) { | |
1867 | dosearch = 0; | |
1868 | scriptname = cur; | |
84902520 | 1869 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1870 | break; |
84902520 | 1871 | #endif |
2a92aaa0 GS |
1872 | } |
1873 | #ifdef SEARCH_EXTS | |
1874 | if (cur == scriptname) { | |
1875 | len = strlen(scriptname); | |
1876 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1877 | break; | |
1878 | cur = strcpy(tokenbuf, scriptname); | |
1879 | } | |
1880 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1881 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1882 | #endif | |
1883 | } | |
1884 | #endif | |
84902520 | 1885 | |
e92c4225 WJ |
1886 | if (dosearch && !strchr(scriptname, '/') |
1887 | #ifdef DOSISH | |
1888 | && !strchr(scriptname, '\\') | |
1889 | #endif | |
5fd9e9a4 | 1890 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 | 1891 | bool seen_dot = 0; |
84902520 | 1892 | |
79072805 | 1893 | bufend = s + strlen(s); |
fc36a67e | 1894 | while (s < bufend) { |
2a92aaa0 GS |
1895 | #if defined(atarist) || defined(DOSISH) |
1896 | for (len = 0; *s | |
1897 | # ifdef atarist | |
1898 | && *s != ',' | |
1899 | # endif | |
1900 | && *s != ';'; len++, s++) { | |
fc36a67e | 1901 | if (len < sizeof tokenbuf) |
1902 | tokenbuf[len] = *s; | |
1903 | } | |
1904 | if (len < sizeof tokenbuf) | |
1905 | tokenbuf[len] = '\0'; | |
84902520 TB |
1906 | #else /* ! (atarist || DOSISH) */ |
1907 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1908 | ':', | |
1909 | &len); | |
1910 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1911 | if (s < bufend) |
79072805 | 1912 | s++; |
fc36a67e | 1913 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1914 | continue; /* don't search dir with too-long name */ | |
1915 | if (len | |
fc36a67e | 1916 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1917 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1918 | && tokenbuf[len - 1] != '\\' |
79072805 | 1919 | #endif |
fc36a67e | 1920 | ) |
1921 | tokenbuf[len++] = '/'; | |
84902520 | 1922 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1923 | seen_dot = 1; |
fc36a67e | 1924 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1925 | #endif /* !VMS */ |
a38d6535 LW |
1926 | |
1927 | #ifdef SEARCH_EXTS | |
1928 | len = strlen(tokenbuf); | |
1929 | if (extidx > 0) /* reset after previous loop */ | |
1930 | extidx = 0; | |
1931 | do { | |
1932 | #endif | |
760ac839 | 1933 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1934 | retval = Stat(tokenbuf,&statbuf); |
1935 | #ifdef SEARCH_EXTS | |
1936 | } while ( retval < 0 /* not there */ | |
1937 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1938 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1939 | ); | |
1940 | #endif | |
1941 | if (retval < 0) | |
79072805 LW |
1942 | continue; |
1943 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1944 | && cando(S_IRUSR,TRUE,&statbuf) |
1945 | #ifndef DOSISH | |
1946 | && cando(S_IXUSR,TRUE,&statbuf) | |
1947 | #endif | |
1948 | ) | |
1949 | { | |
79072805 LW |
1950 | xfound = tokenbuf; /* bingo! */ |
1951 | break; | |
1952 | } | |
1953 | if (!xfailed) | |
a0d0e21e | 1954 | xfailed = savepv(tokenbuf); |
79072805 | 1955 | } |
2a92aaa0 GS |
1956 | #ifndef DOSISH |
1957 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1958 | #endif |
1959 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1960 | if (!xfound) |
84902520 | 1961 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1962 | (xfailed ? "execute" : "find"), |
1963 | (xfailed ? xfailed : scriptname), | |
1964 | (xfailed ? "" : " on PATH"), | |
1965 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1966 | if (xfailed) |
1967 | Safefree(xfailed); | |
1968 | scriptname = xfound; | |
1969 | } | |
1970 | ||
96436eeb | 1971 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1972 | char *s = scriptname + 8; | |
1973 | fdscript = atoi(s); | |
1974 | while (isDIGIT(*s)) | |
1975 | s++; | |
1976 | if (*s) | |
1977 | scriptname = s + 1; | |
1978 | } | |
1979 | else | |
1980 | fdscript = -1; | |
ab821d7f | 1981 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1982 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1983 | if (strEQ(origfilename,"-")) | |
1984 | scriptname = ""; | |
96436eeb | 1985 | if (fdscript >= 0) { |
a868473f | 1986 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 1987 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1988 | if (rsfp) |
1989 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1990 | #endif |
1991 | } | |
1992 | else if (preprocess) { | |
46fc3d4c | 1993 | char *cpp_cfg = CPPSTDIN; |
1994 | SV *cpp = NEWSV(0,0); | |
1995 | SV *cmd = NEWSV(0,0); | |
1996 | ||
1997 | if (strEQ(cpp_cfg, "cppstdin")) | |
1998 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1999 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2000 | |
79072805 | 2001 | sv_catpv(sv,"-I"); |
fed7345c | 2002 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2003 | |
79072805 | 2004 | #ifdef MSDOS |
46fc3d4c | 2005 | sv_setpvf(cmd, "\ |
79072805 LW |
2006 | sed %s -e \"/^[^#]/b\" \ |
2007 | -e \"/^#[ ]*include[ ]/b\" \ | |
2008 | -e \"/^#[ ]*define[ ]/b\" \ | |
2009 | -e \"/^#[ ]*if[ ]/b\" \ | |
2010 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2011 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2012 | -e \"/^#[ ]*else/b\" \ | |
2013 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2014 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2015 | -e \"/^#[ ]*endif/b\" \ | |
2016 | -e \"s/^#.*//\" \ | |
fc36a67e | 2017 | %s | %_ -C %_ %s", |
79072805 LW |
2018 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2019 | #else | |
46fc3d4c | 2020 | sv_setpvf(cmd, "\ |
79072805 LW |
2021 | %s %s -e '/^[^#]/b' \ |
2022 | -e '/^#[ ]*include[ ]/b' \ | |
2023 | -e '/^#[ ]*define[ ]/b' \ | |
2024 | -e '/^#[ ]*if[ ]/b' \ | |
2025 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2026 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2027 | -e '/^#[ ]*else/b' \ | |
2028 | -e '/^#[ ]*elif[ ]/b' \ | |
2029 | -e '/^#[ ]*undef[ ]/b' \ | |
2030 | -e '/^#[ ]*endif/b' \ | |
2031 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2032 | %s | %_ -C %_ %s", |
79072805 LW |
2033 | #ifdef LOC_SED |
2034 | LOC_SED, | |
2035 | #else | |
2036 | "sed", | |
2037 | #endif | |
2038 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2039 | #endif | |
46fc3d4c | 2040 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2041 | doextract = FALSE; |
2042 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2043 | if (euid != uid && !euid) { /* if running suidperl */ | |
2044 | #ifdef HAS_SETEUID | |
2045 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2046 | #else | |
2047 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2048 | (void)setreuid((Uid_t)-1, uid); |
2049 | #else | |
2050 | #ifdef HAS_SETRESUID | |
2051 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2052 | #else |
2053 | setuid(uid); | |
2054 | #endif | |
2055 | #endif | |
85e6fe83 | 2056 | #endif |
79072805 | 2057 | if (geteuid() != uid) |
463ee0b2 | 2058 | croak("Can't do seteuid!\n"); |
79072805 LW |
2059 | } |
2060 | #endif /* IAMSUID */ | |
3028581b | 2061 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2062 | SvREFCNT_dec(cmd); |
2063 | SvREFCNT_dec(cpp); | |
79072805 LW |
2064 | } |
2065 | else if (!*scriptname) { | |
bbce6d69 | 2066 | forbid_setid("program input from stdin"); |
760ac839 | 2067 | rsfp = PerlIO_stdin(); |
79072805 | 2068 | } |
96436eeb | 2069 | else { |
a868473f | 2070 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2071 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2072 | if (rsfp) |
2073 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2074 | #endif |
2075 | } | |
5dd60ef7 | 2076 | if (e_tmpname) { |
2077 | e_fp = rsfp; | |
2078 | } | |
7aa04957 | 2079 | if (!rsfp) { |
13281fa4 | 2080 | #ifdef DOSUID |
a687059c | 2081 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2082 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2083 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2084 | /* try again */ |
3028581b | 2085 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 2086 | croak("Can't do setuid\n"); |
13281fa4 LW |
2087 | } |
2088 | #endif | |
2089 | #endif | |
463ee0b2 | 2090 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2091 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2092 | } |
79072805 | 2093 | } |
8d063cd8 | 2094 | |
79072805 | 2095 | static void |
8ac85365 | 2096 | validate_suid(char *validarg, char *scriptname) |
79072805 | 2097 | { |
96436eeb | 2098 | int which; |
2099 | ||
13281fa4 LW |
2100 | /* do we need to emulate setuid on scripts? */ |
2101 | ||
2102 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2103 | * in the kernel because of a security problem. Merely defining DOSUID | |
2104 | * in perl will not fix that problem, but if you have disabled setuid | |
2105 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2106 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2107 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2108 | * discovers that it has opened a setuid script, it calls suidperl with | |
2109 | * the same argv that it had. If suidperl finds that the script it has | |
2110 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2111 | * uid. We don't just make perl setuid root because that loses the | |
2112 | * effective uid we had before invoking perl, if it was different from the | |
2113 | * uid. | |
13281fa4 LW |
2114 | * |
2115 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2116 | * be defined in suidperl only. suidperl must be setuid root. The | |
2117 | * Configure script will set this up for you if you want it. | |
2118 | */ | |
a687059c | 2119 | |
13281fa4 | 2120 | #ifdef DOSUID |
ea0efc06 | 2121 | dTHR; |
6e72f9df | 2122 | char *s, *s2; |
a0d0e21e | 2123 | |
3028581b | 2124 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2125 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2126 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2127 | I32 len; |
13281fa4 | 2128 | |
a687059c | 2129 | #ifdef IAMSUID |
fe14fcc3 | 2130 | #ifndef HAS_SETREUID |
a687059c LW |
2131 | /* On this access check to make sure the directories are readable, |
2132 | * there is actually a small window that the user could use to make | |
2133 | * filename point to an accessible directory. So there is a faint | |
2134 | * chance that someone could execute a setuid script down in a | |
2135 | * non-accessible directory. I don't know what to do about that. | |
2136 | * But I don't think it's too important. The manual lies when | |
2137 | * it says access() is useful in setuid programs. | |
2138 | */ | |
3028581b | 2139 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2140 | croak("Permission denied"); |
a687059c LW |
2141 | #else |
2142 | /* If we can swap euid and uid, then we can determine access rights | |
2143 | * with a simple stat of the file, and then compare device and | |
2144 | * inode to make sure we did stat() on the same file we opened. | |
2145 | * Then we just have to make sure he or she can execute it. | |
2146 | */ | |
2147 | { | |
2148 | struct stat tmpstatbuf; | |
2149 | ||
85e6fe83 LW |
2150 | if ( |
2151 | #ifdef HAS_SETREUID | |
2152 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2153 | #else |
2154 | # if HAS_SETRESUID | |
85e6fe83 | 2155 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2156 | # endif |
85e6fe83 LW |
2157 | #endif |
2158 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2159 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2160 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2161 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2162 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2163 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2164 | (void)PerlIO_close(rsfp); |
3028581b | 2165 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2166 | PerlIO_printf(rsfp, |
ff0cee69 | 2167 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2168 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2169 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2170 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2171 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2172 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
3028581b | 2173 | (void)PerlProc_pclose(rsfp); |
a687059c | 2174 | } |
463ee0b2 | 2175 | croak("Permission denied\n"); |
a687059c | 2176 | } |
85e6fe83 LW |
2177 | if ( |
2178 | #ifdef HAS_SETREUID | |
2179 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2180 | #else |
2181 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2182 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2183 | # endif |
85e6fe83 LW |
2184 | #endif |
2185 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2186 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2187 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2188 | croak("Permission denied\n"); |
a687059c | 2189 | } |
fe14fcc3 | 2190 | #endif /* HAS_SETREUID */ |
a687059c LW |
2191 | #endif /* IAMSUID */ |
2192 | ||
27e2fb84 | 2193 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2194 | croak("Permission denied"); |
27e2fb84 | 2195 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2196 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2197 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2198 | curcop->cop_line++; |
760ac839 LW |
2199 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2200 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2201 | croak("No #! line"); |
760ac839 | 2202 | s = SvPV(linestr,na)+2; |
663a0e37 | 2203 | if (*s == ' ') s++; |
45d8adaa | 2204 | while (!isSPACE(*s)) s++; |
760ac839 | 2205 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2206 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2207 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2208 | croak("Not a perl script"); |
a687059c | 2209 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2210 | /* |
2211 | * #! arg must be what we saw above. They can invoke it by | |
2212 | * mentioning suidperl explicitly, but they may not add any strange | |
2213 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2214 | */ | |
2215 | len = strlen(validarg); | |
2216 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2217 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2218 | croak("Args must match #! line"); |
a687059c LW |
2219 | |
2220 | #ifndef IAMSUID | |
2221 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2222 | euid == statbuf.st_uid) | |
2223 | if (!do_undump) | |
463ee0b2 | 2224 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2225 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2226 | #endif /* IAMSUID */ | |
13281fa4 LW |
2227 | |
2228 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2229 | (void)PerlIO_close(rsfp); |
13281fa4 | 2230 | #ifndef IAMSUID |
46fc3d4c | 2231 | /* try again */ |
3028581b | 2232 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2233 | #endif |
463ee0b2 | 2234 | croak("Can't do setuid\n"); |
13281fa4 LW |
2235 | } |
2236 | ||
83025b21 | 2237 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2238 | #ifdef HAS_SETEGID |
a687059c LW |
2239 | (void)setegid(statbuf.st_gid); |
2240 | #else | |
fe14fcc3 | 2241 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2242 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2243 | #else | |
2244 | #ifdef HAS_SETRESGID | |
2245 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2246 | #else |
2247 | setgid(statbuf.st_gid); | |
2248 | #endif | |
2249 | #endif | |
85e6fe83 | 2250 | #endif |
83025b21 | 2251 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2252 | croak("Can't do setegid!\n"); |
83025b21 | 2253 | } |
a687059c LW |
2254 | if (statbuf.st_mode & S_ISUID) { |
2255 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2256 | #ifdef HAS_SETEUID |
a687059c LW |
2257 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2258 | #else | |
fe14fcc3 | 2259 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2260 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2261 | #else | |
2262 | #ifdef HAS_SETRESUID | |
2263 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2264 | #else |
2265 | setuid(statbuf.st_uid); | |
2266 | #endif | |
2267 | #endif | |
85e6fe83 | 2268 | #endif |
83025b21 | 2269 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2270 | croak("Can't do seteuid!\n"); |
a687059c | 2271 | } |
83025b21 | 2272 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2273 | #ifdef HAS_SETEUID |
85e6fe83 | 2274 | (void)seteuid((Uid_t)uid); |
a687059c | 2275 | #else |
fe14fcc3 | 2276 | #ifdef HAS_SETREUID |
85e6fe83 | 2277 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2278 | #else |
85e6fe83 LW |
2279 | #ifdef HAS_SETRESUID |
2280 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2281 | #else | |
2282 | setuid((Uid_t)uid); | |
2283 | #endif | |
a687059c LW |
2284 | #endif |
2285 | #endif | |
83025b21 | 2286 | if (geteuid() != uid) |
463ee0b2 | 2287 | croak("Can't do seteuid!\n"); |
83025b21 | 2288 | } |
748a9306 | 2289 | init_ids(); |
27e2fb84 | 2290 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2291 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2292 | } |
2293 | #ifdef IAMSUID | |
2294 | else if (preprocess) | |
463ee0b2 | 2295 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2296 | else if (fdscript >= 0) |
2297 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2298 | else |
463ee0b2 | 2299 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2300 | |
2301 | /* We absolutely must clear out any saved ids here, so we */ | |
2302 | /* exec the real perl, substituting fd script for scriptname. */ | |
2303 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2304 | PerlIO_rewind(rsfp); |
3028581b | 2305 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2306 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2307 | if (!origargv[which]) | |
2308 | croak("Permission denied"); | |
46fc3d4c | 2309 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2310 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2311 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2312 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2313 | #endif |
3028581b | 2314 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2315 | croak("Can't do setuid\n"); |
13281fa4 | 2316 | #endif /* IAMSUID */ |
a687059c | 2317 | #else /* !DOSUID */ |
a687059c LW |
2318 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2319 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2320 | dTHR; |
3028581b | 2321 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2322 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2323 | || | |
2324 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2325 | ) | |
2326 | if (!do_undump) | |
463ee0b2 | 2327 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2328 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2329 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2330 | /* not set-id, must be wrapped */ | |
a687059c | 2331 | } |
13281fa4 | 2332 | #endif /* DOSUID */ |
79072805 | 2333 | } |
13281fa4 | 2334 | |
79072805 | 2335 | static void |
8ac85365 | 2336 | find_beginning(void) |
79072805 | 2337 | { |
6e72f9df | 2338 | register char *s, *s2; |
33b78306 LW |
2339 | |
2340 | /* skip forward in input to the real script? */ | |
2341 | ||
bbce6d69 | 2342 | forbid_setid("-x"); |
33b78306 | 2343 | while (doextract) { |
79072805 | 2344 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2345 | croak("No Perl script found in input\n"); |
6e72f9df | 2346 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2347 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2348 | doextract = FALSE; |
6e72f9df | 2349 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2350 | s2 = s; | |
2351 | while (*s == ' ' || *s == '\t') s++; | |
2352 | if (*s++ == '-') { | |
2353 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2354 | if (strnEQ(s2-4,"perl",4)) | |
2355 | /*SUPPRESS 530*/ | |
2356 | while (s = moreswitches(s)) ; | |
33b78306 | 2357 | } |
3028581b | 2358 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2359 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2360 | } |
2361 | } | |
2362 | } | |
2363 | ||
79072805 | 2364 | static void |
8ac85365 | 2365 | init_ids(void) |
352d5a3a | 2366 | { |
748a9306 LW |
2367 | uid = (int)getuid(); |
2368 | euid = (int)geteuid(); | |
2369 | gid = (int)getgid(); | |
2370 | egid = (int)getegid(); | |
2371 | #ifdef VMS | |
2372 | uid |= gid << 16; | |
2373 | euid |= egid << 16; | |
2374 | #endif | |
4633a7c4 | 2375 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2376 | } |
79072805 | 2377 | |
748a9306 | 2378 | static void |
8ac85365 | 2379 | forbid_setid(char *s) |
bbce6d69 | 2380 | { |
2381 | if (euid != uid) | |
2382 | croak("No %s allowed while running setuid", s); | |
2383 | if (egid != gid) | |
2384 | croak("No %s allowed while running setgid", s); | |
2385 | } | |
2386 | ||
2387 | static void | |
8ac85365 | 2388 | init_debugger(void) |
748a9306 | 2389 | { |
11343788 | 2390 | dTHR; |
79072805 | 2391 | curstash = debstash; |
748a9306 | 2392 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2393 | AvREAL_off(dbargs); |
a0d0e21e LW |
2394 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2395 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2396 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2397 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2398 | sv_setiv(DBsingle, 0); |
748a9306 | 2399 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2400 | sv_setiv(DBtrace, 0); |
748a9306 | 2401 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2402 | sv_setiv(DBsignal, 0); |
79072805 | 2403 | curstash = defstash; |
352d5a3a LW |
2404 | } |
2405 | ||
11343788 | 2406 | void |
8ac85365 | 2407 | init_stacks(ARGSproto) |
79072805 | 2408 | { |
6e72f9df | 2409 | curstack = newAV(); |
5f05dabc | 2410 | mainstack = curstack; /* remember in case we switch stacks */ |
2411 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2412 | av_extend(curstack,127); |
79072805 | 2413 | |
6e72f9df | 2414 | stack_base = AvARRAY(curstack); |
79072805 | 2415 | stack_sp = stack_base; |
8990e307 | 2416 | stack_max = stack_base + 127; |
79072805 | 2417 | |
c09156bb MB |
2418 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2419 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); | |
8990e307 | 2420 | cxstack_ix = -1; |
8990e307 LW |
2421 | |
2422 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2423 | tmps_floor = -1; |
8990e307 LW |
2424 | tmps_ix = -1; |
2425 | tmps_max = 128; | |
2426 | ||
5f05dabc | 2427 | /* |
2428 | * The following stacks almost certainly should be per-interpreter, | |
2429 | * but for now they're not. XXX | |
2430 | */ | |
2431 | ||
6e72f9df | 2432 | if (markstack) { |
2433 | markstack_ptr = markstack; | |
2434 | } else { | |
2435 | New(54,markstack,64,I32); | |
2436 | markstack_ptr = markstack; | |
2437 | markstack_max = markstack + 64; | |
2438 | } | |
79072805 | 2439 | |
6e72f9df | 2440 | if (scopestack) { |
2441 | scopestack_ix = 0; | |
2442 | } else { | |
2443 | New(54,scopestack,32,I32); | |
2444 | scopestack_ix = 0; | |
2445 | scopestack_max = 32; | |
2446 | } | |
79072805 | 2447 | |
6e72f9df | 2448 | if (savestack) { |
2449 | savestack_ix = 0; | |
2450 | } else { | |
2451 | New(54,savestack,128,ANY); | |
2452 | savestack_ix = 0; | |
2453 | savestack_max = 128; | |
2454 | } | |
79072805 | 2455 | |
6e72f9df | 2456 | if (retstack) { |
2457 | retstack_ix = 0; | |
2458 | } else { | |
2459 | New(54,retstack,16,OP*); | |
2460 | retstack_ix = 0; | |
2461 | retstack_max = 16; | |
5f05dabc | 2462 | } |
378cc40b | 2463 | } |
33b78306 | 2464 | |
6e72f9df | 2465 | static void |
8ac85365 | 2466 | nuke_stacks(void) |
6e72f9df | 2467 | { |
e858de61 | 2468 | dTHR; |
6e72f9df | 2469 | Safefree(cxstack); |
2470 | Safefree(tmps_stack); | |
5f05dabc | 2471 | DEBUG( { |
2472 | Safefree(debname); | |
2473 | Safefree(debdelim); | |
2474 | } ) | |
378cc40b | 2475 | } |
33b78306 | 2476 | |
760ac839 | 2477 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2478 | |
79072805 | 2479 | static void |
8ac85365 | 2480 | init_lexer(void) |
8990e307 | 2481 | { |
a0d0e21e | 2482 | tmpfp = rsfp; |
90248788 | 2483 | rsfp = Nullfp; |
8990e307 LW |
2484 | lex_start(linestr); |
2485 | rsfp = tmpfp; | |
2486 | subname = newSVpv("main",4); | |
2487 | } | |
2488 | ||
2489 | static void | |
8ac85365 | 2490 | init_predump_symbols(void) |
45d8adaa | 2491 | { |
11343788 | 2492 | dTHR; |
93a17b20 | 2493 | GV *tmpgv; |
a0d0e21e | 2494 | GV *othergv; |
79072805 | 2495 | |
e1c148c2 | 2496 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2497 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2498 | GvMULTI_on(stdingv); |
760ac839 | 2499 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2500 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2501 | GvMULTI_on(tmpgv); |
a0d0e21e | 2502 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2503 | |
85e6fe83 | 2504 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2505 | GvMULTI_on(tmpgv); |
760ac839 | 2506 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2507 | setdefout(tmpgv); |
adbc6bb1 | 2508 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2509 | GvMULTI_on(tmpgv); |
a0d0e21e | 2510 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2511 | |
a0d0e21e | 2512 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2513 | GvMULTI_on(othergv); |
760ac839 | 2514 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2515 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2516 | GvMULTI_on(tmpgv); |
a0d0e21e | 2517 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2518 | |
2519 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2520 | |
6e72f9df | 2521 | if (!osname) |
2522 | osname = savepv(OSNAME); | |
79072805 | 2523 | } |
33b78306 | 2524 | |
79072805 | 2525 | static void |
8ac85365 | 2526 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2527 | { |
a863c7d1 | 2528 | dTHR; |
79072805 LW |
2529 | char *s; |
2530 | SV *sv; | |
2531 | GV* tmpgv; | |
fe14fcc3 | 2532 | |
79072805 LW |
2533 | argc--,argv++; /* skip name of script */ |
2534 | if (doswitches) { | |
2535 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2536 | if (!argv[0][1]) | |
2537 | break; | |
2538 | if (argv[0][1] == '-') { | |
2539 | argc--,argv++; | |
2540 | break; | |
2541 | } | |
93a17b20 | 2542 | if (s = strchr(argv[0], '=')) { |
79072805 | 2543 | *s++ = '\0'; |
85e6fe83 | 2544 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2545 | } |
2546 | else | |
85e6fe83 | 2547 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2548 | } |
79072805 LW |
2549 | } |
2550 | toptarget = NEWSV(0,0); | |
2551 | sv_upgrade(toptarget, SVt_PVFM); | |
2552 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2553 | bodytarget = NEWSV(0,0); |
79072805 LW |
2554 | sv_upgrade(bodytarget, SVt_PVFM); |
2555 | sv_setpvn(bodytarget, "", 0); | |
2556 | formtarget = bodytarget; | |
2557 | ||
bbce6d69 | 2558 | TAINT; |
85e6fe83 | 2559 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2560 | sv_setpv(GvSV(tmpgv),origfilename); |
2561 | magicname("0", "0", 1); | |
2562 | } | |
85e6fe83 | 2563 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2564 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2565 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2566 | GvMULTI_on(argvgv); |
79072805 LW |
2567 | (void)gv_AVadd(argvgv); |
2568 | av_clear(GvAVn(argvgv)); | |
2569 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2570 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2571 | } |
2572 | } | |
85e6fe83 | 2573 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2574 | HV *hv; |
a5f75d66 | 2575 | GvMULTI_on(envgv); |
79072805 | 2576 | hv = GvHVn(envgv); |
5aabfad6 | 2577 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2578 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2579 | /* Note that if the supplied env parameter is actually a copy |
2580 | of the global environ then it may now point to free'd memory | |
2581 | if the environment has been modified since. To avoid this | |
2582 | problem we treat env==NULL as meaning 'use the default' | |
2583 | */ | |
2584 | if (!env) | |
2585 | env = environ; | |
5aabfad6 | 2586 | if (env != environ) |
79072805 LW |
2587 | environ[0] = Nullch; |
2588 | for (; *env; env++) { | |
93a17b20 | 2589 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2590 | continue; |
2591 | *s++ = '\0'; | |
39e571d4 | 2592 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2593 | (void)strupr(*env); |
2594 | #endif | |
79072805 LW |
2595 | sv = newSVpv(s--,0); |
2596 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2597 | *s = '='; | |
3e3baf6d TB |
2598 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2599 | /* Sins of the RTL. See note in my_setenv(). */ | |
5fd9e9a4 | 2600 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2601 | #endif |
fe14fcc3 | 2602 | } |
4550b24a | 2603 | #endif |
2604 | #ifdef DYNAMIC_ENV_FETCH | |
2605 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2606 | #endif | |
79072805 | 2607 | } |
bbce6d69 | 2608 | TAINT_NOT; |
85e6fe83 | 2609 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2610 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2611 | } |
34de22dd | 2612 | |
79072805 | 2613 | static void |
8ac85365 | 2614 | init_perllib(void) |
34de22dd | 2615 | { |
85e6fe83 LW |
2616 | char *s; |
2617 | if (!tainting) { | |
552a7a9b | 2618 | #ifndef VMS |
5fd9e9a4 | 2619 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2620 | if (s) |
774d564b | 2621 | incpush(s, TRUE); |
85e6fe83 | 2622 | else |
5fd9e9a4 | 2623 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2624 | #else /* VMS */ |
2625 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2626 | * "natural" VMS idiom for a Unix path string. We allow each | |
2627 | * element to be a set of |-separated directories for compatibility. | |
2628 | */ | |
2629 | char buf[256]; | |
2630 | int idx = 0; | |
2631 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2632 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2633 | else |
774d564b | 2634 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2635 | #endif /* VMS */ |
85e6fe83 | 2636 | } |
34de22dd | 2637 | |
c90c0ff4 | 2638 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2639 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2640 | */ |
4633a7c4 | 2641 | #ifdef APPLLIB_EXP |
774d564b | 2642 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2643 | #endif |
4633a7c4 | 2644 | |
fed7345c | 2645 | #ifdef ARCHLIB_EXP |
774d564b | 2646 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2647 | #endif |
fed7345c AD |
2648 | #ifndef PRIVLIB_EXP |
2649 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2650 | #endif |
774d564b | 2651 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2652 | |
2653 | #ifdef SITEARCH_EXP | |
774d564b | 2654 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2655 | #endif |
2656 | #ifdef SITELIB_EXP | |
774d564b | 2657 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2658 | #endif |
4633a7c4 | 2659 | if (!tainting) |
774d564b | 2660 | incpush(".", FALSE); |
2661 | } | |
2662 | ||
2663 | #if defined(DOSISH) | |
2664 | # define PERLLIB_SEP ';' | |
2665 | #else | |
2666 | # if defined(VMS) | |
2667 | # define PERLLIB_SEP '|' | |
2668 | # else | |
2669 | # define PERLLIB_SEP ':' | |
2670 | # endif | |
2671 | #endif | |
2672 | #ifndef PERLLIB_MANGLE | |
2673 | # define PERLLIB_MANGLE(s,n) (s) | |
2674 | #endif | |
2675 | ||
2676 | static void | |
8ac85365 | 2677 | incpush(char *p, int addsubdirs) |
774d564b | 2678 | { |
2679 | SV *subdir = Nullsv; | |
2680 | static char *archpat_auto; | |
2681 | ||
2682 | if (!p) | |
2683 | return; | |
2684 | ||
2685 | if (addsubdirs) { | |
8c52afec | 2686 | subdir = NEWSV(55,0); |
774d564b | 2687 | if (!archpat_auto) { |
2688 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2689 | + sizeof("//auto")); | |
2690 | New(55, archpat_auto, len, char); | |
2691 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2692 | #ifdef VMS |
2693 | for (len = sizeof(ARCHNAME) + 2; | |
2694 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2695 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2696 | #endif | |
774d564b | 2697 | } |
2698 | } | |
2699 | ||
2700 | /* Break at all separators */ | |
2701 | while (p && *p) { | |
8c52afec | 2702 | SV *libdir = NEWSV(55,0); |
774d564b | 2703 | char *s; |
2704 | ||
2705 | /* skip any consecutive separators */ | |
2706 | while ( *p == PERLLIB_SEP ) { | |
2707 | /* Uncomment the next line for PATH semantics */ | |
2708 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2709 | p++; | |
2710 | } | |
2711 | ||
2712 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2713 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2714 | (STRLEN)(s - p)); | |
2715 | p = s + 1; | |
2716 | } | |
2717 | else { | |
2718 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2719 | p = Nullch; /* break out */ | |
2720 | } | |
2721 | ||
2722 | /* | |
2723 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2724 | * archname-specific sub-directories. | |
2725 | */ | |
2726 | if (addsubdirs) { | |
2727 | struct stat tmpstatbuf; | |
aa689395 | 2728 | #ifdef VMS |
2729 | char *unix; | |
2730 | STRLEN len; | |
774d564b | 2731 | |
aa689395 | 2732 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2733 | len = strlen(unix); | |
2734 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2735 | sv_usepvn(libdir,unix,len); | |
2736 | } | |
2737 | else | |
2738 | PerlIO_printf(PerlIO_stderr(), | |
2739 | "Failed to unixify @INC element \"%s\"\n", | |
2740 | SvPV(libdir,na)); | |
2741 | #endif | |
4fdae800 | 2742 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2743 | sv_setsv(subdir, libdir); |
2744 | sv_catpv(subdir, archpat_auto); | |
2745 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2746 | S_ISDIR(tmpstatbuf.st_mode)) | |
2747 | av_push(GvAVn(incgv), | |
2748 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2749 | ||
4fdae800 | 2750 | /* .../archname if -d .../archname/auto */ |
774d564b | 2751 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2752 | strlen(patchlevel) + 1, "", 0); | |
2753 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2754 | S_ISDIR(tmpstatbuf.st_mode)) | |
2755 | av_push(GvAVn(incgv), | |
2756 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2757 | } | |
2758 | ||
2759 | /* finally push this lib directory on the end of @INC */ | |
2760 | av_push(GvAVn(incgv), libdir); | |
2761 | } | |
2762 | ||
2763 | SvREFCNT_dec(subdir); | |
34de22dd | 2764 | } |
93a17b20 | 2765 | |
199100c8 | 2766 | #ifdef USE_THREADS |
52e1cb5e | 2767 | static struct perl_thread * |
199100c8 MB |
2768 | init_main_thread() |
2769 | { | |
52e1cb5e | 2770 | struct perl_thread *thr; |
199100c8 MB |
2771 | XPV *xpv; |
2772 | ||
52e1cb5e | 2773 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2774 | curcop = &compiling; |
2775 | thr->cvcache = newHV(); | |
54b9620d | 2776 | thr->threadsv = newAV(); |
940cb80d | 2777 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2778 | thr->specific = newAV(); |
38a03e6e | 2779 | thr->errhv = newHV(); |
199100c8 MB |
2780 | thr->flags = THRf_R_JOINABLE; |
2781 | MUTEX_INIT(&thr->mutex); | |
2782 | /* Handcraft thrsv similarly to mess_sv */ | |
2783 | New(53, thrsv, 1, SV); | |
2784 | Newz(53, xpv, 1, XPV); | |
2785 | SvFLAGS(thrsv) = SVt_PV; | |
2786 | SvANY(thrsv) = (void*)xpv; | |
2787 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2788 | SvPVX(thrsv) = (char*)thr; | |
2789 | SvCUR_set(thrsv, sizeof(thr)); | |
2790 | SvLEN_set(thrsv, sizeof(thr)); | |
2791 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2792 | thr->oursv = thrsv; | |
2793 | curcop = &compiling; | |
2794 | chopset = " \n-"; | |
2795 | ||
2796 | MUTEX_LOCK(&threads_mutex); | |
2797 | nthreads++; | |
2798 | thr->tid = 0; | |
2799 | thr->next = thr; | |
2800 | thr->prev = thr; | |
2801 | MUTEX_UNLOCK(&threads_mutex); | |
2802 | ||
4b026b9e GS |
2803 | #ifdef HAVE_THREAD_INTERN |
2804 | init_thread_intern(thr); | |
235db74f GS |
2805 | #endif |
2806 | ||
2807 | #ifdef SET_THREAD_SELF | |
2808 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2809 | #else |
2810 | thr->self = pthread_self(); | |
235db74f | 2811 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2812 | SET_THR(thr); |
2813 | ||
2814 | /* | |
2815 | * These must come after the SET_THR because sv_setpvn does | |
2816 | * SvTAINT and the taint fields require dTHR. | |
2817 | */ | |
2818 | toptarget = NEWSV(0,0); | |
2819 | sv_upgrade(toptarget, SVt_PVFM); | |
2820 | sv_setpvn(toptarget, "", 0); | |
2821 | bodytarget = NEWSV(0,0); | |
2822 | sv_upgrade(bodytarget, SVt_PVFM); | |
2823 | sv_setpvn(bodytarget, "", 0); | |
2824 | formtarget = bodytarget; | |
2faa37cc | 2825 | thr->errsv = newSVpv("", 0); |
78857c3c | 2826 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2827 | return thr; |
2828 | } | |
2829 | #endif /* USE_THREADS */ | |
2830 | ||
93a17b20 | 2831 | void |
8ac85365 | 2832 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2833 | { |
11343788 | 2834 | dTHR; |
a0d0e21e | 2835 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2836 | STRLEN len; |
2837 | dJMPENV; | |
2838 | int ret; | |
93a17b20 | 2839 | |
93965878 | 2840 | while (AvFILL(list) >= 0) { |
8990e307 | 2841 | CV *cv = (CV*)av_shift(list); |
93a17b20 | 2842 | |
8990e307 | 2843 | SAVEFREESV(cv); |
a0d0e21e | 2844 | |
22921e25 CS |
2845 | JMPENV_PUSH(ret); |
2846 | switch (ret) { | |
748a9306 | 2847 | case 0: { |
38a03e6e | 2848 | SV* atsv = ERRSV; |
748a9306 LW |
2849 | PUSHMARK(stack_sp); |
2850 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2851 | (void)SvPV(atsv, len); |
748a9306 | 2852 | if (len) { |
54310121 | 2853 | JMPENV_POP; |
748a9306 LW |
2854 | curcop = &compiling; |
2855 | curcop->cop_line = oldline; | |
2856 | if (list == beginav) | |
12f917ad | 2857 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2858 | else |
12f917ad | 2859 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2860 | while (scopestack_ix > oldscope) |
2861 | LEAVE; | |
12f917ad | 2862 | croak("%s", SvPVX(atsv)); |
748a9306 | 2863 | } |
a0d0e21e | 2864 | } |
85e6fe83 LW |
2865 | break; |
2866 | case 1: | |
f86702cc | 2867 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2868 | /* FALL THROUGH */ |
2869 | case 2: | |
2870 | /* my_exit() was called */ | |
2ae324a7 | 2871 | while (scopestack_ix > oldscope) |
2872 | LEAVE; | |
84902520 | 2873 | FREETMPS; |
85e6fe83 LW |
2874 | curstash = defstash; |
2875 | if (endav) | |
68dc0745 | 2876 | call_list(oldscope, endav); |
54310121 | 2877 | JMPENV_POP; |
a0d0e21e LW |
2878 | curcop = &compiling; |
2879 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2880 | if (statusvalue) { |
2881 | if (list == beginav) | |
a0d0e21e | 2882 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2883 | else |
a0d0e21e | 2884 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2885 | } |
f86702cc | 2886 | my_exit_jump(); |
85e6fe83 | 2887 | /* NOTREACHED */ |
85e6fe83 LW |
2888 | case 3: |
2889 | if (!restartop) { | |
760ac839 | 2890 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2891 | FREETMPS; |
85e6fe83 LW |
2892 | break; |
2893 | } | |
54310121 | 2894 | JMPENV_POP; |
a0d0e21e LW |
2895 | curcop = &compiling; |
2896 | curcop->cop_line = oldline; | |
54310121 | 2897 | JMPENV_JUMP(3); |
8990e307 | 2898 | } |
54310121 | 2899 | JMPENV_POP; |
93a17b20 | 2900 | } |
93a17b20 | 2901 | } |
93a17b20 | 2902 | |
f86702cc | 2903 | void |
8ac85365 | 2904 | my_exit(U32 status) |
f86702cc | 2905 | { |
5dc0d613 MB |
2906 | dTHR; |
2907 | ||
2908 | #ifdef USE_THREADS | |
a863c7d1 MB |
2909 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2910 | thr, (unsigned long) status)); | |
5dc0d613 | 2911 | #endif /* USE_THREADS */ |
f86702cc | 2912 | switch (status) { |
2913 | case 0: | |
2914 | STATUS_ALL_SUCCESS; | |
2915 | break; | |
2916 | case 1: | |
2917 | STATUS_ALL_FAILURE; | |
2918 | break; | |
2919 | default: | |
2920 | STATUS_NATIVE_SET(status); | |
2921 | break; | |
2922 | } | |
2923 | my_exit_jump(); | |
2924 | } | |
2925 | ||
2926 | void | |
8ac85365 | 2927 | my_failure_exit(void) |
f86702cc | 2928 | { |
2929 | #ifdef VMS | |
2930 | if (vaxc$errno & 1) { | |
4fdae800 | 2931 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2932 | STATUS_NATIVE_SET(44); | |
f86702cc | 2933 | } |
2934 | else { | |
ff0cee69 | 2935 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2936 | STATUS_NATIVE_SET(44); |
f86702cc | 2937 | else |
4fdae800 | 2938 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2939 | } |
2940 | #else | |
2941 | if (errno & 255) | |
2942 | STATUS_POSIX_SET(errno); | |
2943 | else if (STATUS_POSIX == 0) | |
2944 | STATUS_POSIX_SET(255); | |
2945 | #endif | |
2946 | my_exit_jump(); | |
93a17b20 LW |
2947 | } |
2948 | ||
f86702cc | 2949 | static void |
8ac85365 | 2950 | my_exit_jump(void) |
f86702cc | 2951 | { |
e858de61 | 2952 | dTHR; |
c09156bb | 2953 | register PERL_CONTEXT *cx; |
f86702cc | 2954 | I32 gimme; |
2955 | SV **newsp; | |
2956 | ||
2957 | if (e_tmpname) { | |
2958 | if (e_fp) { | |
2959 | PerlIO_close(e_fp); | |
2960 | e_fp = Nullfp; | |
2961 | } | |
2962 | (void)UNLINK(e_tmpname); | |
2963 | Safefree(e_tmpname); | |
2964 | e_tmpname = Nullch; | |
2965 | } | |
2966 | ||
2967 | if (cxstack_ix >= 0) { | |
2968 | if (cxstack_ix > 0) | |
2969 | dounwind(0); | |
2970 | POPBLOCK(cx,curpm); | |
2971 | LEAVE; | |
2972 | } | |
ff0cee69 | 2973 | |
54310121 | 2974 | JMPENV_JUMP(2); |
f86702cc | 2975 | } |
4e35701f | 2976 | |
aeea060c | 2977 | |
22239a37 | 2978 |