Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
a411490c | 3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
51fa4eea JH |
27 | #ifdef I_FCNTL |
28 | #include <fcntl.h> | |
29 | #endif | |
30 | #ifdef I_SYS_FILE | |
31 | #include <sys/file.h> | |
32 | #endif | |
33 | ||
71be2cbc | 34 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 35 | |
a687059c LW |
36 | #ifdef IAMSUID |
37 | #ifndef DOSUID | |
38 | #define DOSUID | |
39 | #endif | |
40 | #endif | |
378cc40b | 41 | |
a687059c LW |
42 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
43 | #ifdef DOSUID | |
44 | #undef DOSUID | |
45 | #endif | |
46 | #endif | |
8d063cd8 | 47 | |
8ebc5c01 | 48 | #define I_REINIT \ |
49 | STMT_START { \ | |
50 | chopset = " \n-"; \ | |
51 | copline = NOLINE; \ | |
52 | curcop = &compiling; \ | |
53 | curcopdb = NULL; \ | |
54 | cxstack_ix = -1; \ | |
55 | cxstack_max = 128; \ | |
56 | dbargs = 0; \ | |
57 | dlmax = 128; \ | |
58 | laststatval = -1; \ | |
59 | laststype = OP_STAT; \ | |
60 | maxscream = -1; \ | |
61 | maxsysfd = MAXSYSFD; \ | |
62 | statname = Nullsv; \ | |
63 | tmps_floor = -1; \ | |
64 | tmps_ix = -1; \ | |
65 | op_mask = NULL; \ | |
66 | dlmax = 128; \ | |
67 | laststatval = -1; \ | |
68 | laststype = OP_STAT; \ | |
46fc3d4c | 69 | mess_sv = Nullsv; \ |
8ebc5c01 | 70 | } STMT_END |
71 | ||
a0d0e21e | 72 | static void find_beginning _((void)); |
bbce6d69 | 73 | static void forbid_setid _((char *)); |
774d564b | 74 | static void incpush _((char *, int)); |
748a9306 | 75 | static void init_ids _((void)); |
a0d0e21e LW |
76 | static void init_debugger _((void)); |
77 | static void init_lexer _((void)); | |
78 | static void init_main_stash _((void)); | |
199100c8 | 79 | #ifdef USE_THREADS |
52e1cb5e | 80 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 81 | #endif /* USE_THREADS */ |
a0d0e21e LW |
82 | static void init_perllib _((void)); |
83 | static void init_postdump_symbols _((int, char **, char **)); | |
84 | static void init_predump_symbols _((void)); | |
f86702cc | 85 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 86 | static void nuke_stacks _((void)); |
a0d0e21e | 87 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 88 | static void usage _((char *)); |
96436eeb | 89 | static void validate_suid _((char *, char*)); |
90 | ||
91 | static int fdscript = -1; | |
79072805 | 92 | |
93a17b20 | 93 | PerlInterpreter * |
8ac85365 | 94 | perl_alloc(void) |
79072805 | 95 | { |
93a17b20 | 96 | PerlInterpreter *sv_interp; |
79072805 | 97 | |
8990e307 | 98 | curinterp = 0; |
93a17b20 | 99 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
100 | return sv_interp; |
101 | } | |
102 | ||
103 | void | |
8ac85365 | 104 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 | 105 | { |
a863c7d1 MB |
106 | #ifdef USE_THREADS |
107 | int i; | |
108 | #ifndef FAKE_THREADS | |
52e1cb5e | 109 | struct perl_thread *thr; |
a863c7d1 MB |
110 | #endif /* FAKE_THREADS */ |
111 | #endif /* USE_THREADS */ | |
11343788 | 112 | |
79072805 LW |
113 | if (!(curinterp = sv_interp)) |
114 | return; | |
115 | ||
8990e307 | 116 | #ifdef MULTIPLICITY |
93a17b20 | 117 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 118 | #endif |
79072805 | 119 | |
33f46ff6 | 120 | /* Init the real globals (and main thread)? */ |
c116a00c | 121 | if (!linestr) { |
11343788 | 122 | #ifdef USE_THREADS |
8023c3ce | 123 | |
33f46ff6 | 124 | INIT_THREADS; |
d55594ae GS |
125 | #ifdef ALLOC_THREAD_KEY |
126 | ALLOC_THREAD_KEY; | |
127 | #else | |
a863c7d1 MB |
128 | if (pthread_key_create(&thr_key, 0)) |
129 | croak("panic: pthread_key_create"); | |
d55594ae | 130 | #endif |
c116a00c | 131 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
132 | /* |
133 | * Safe to use basic SV functions from now on (though | |
134 | * not things like mortals or tainting yet). | |
135 | */ | |
c116a00c MB |
136 | MUTEX_INIT(&eval_mutex); |
137 | COND_INIT(&eval_cond); | |
33f46ff6 | 138 | MUTEX_INIT(&threads_mutex); |
c116a00c | 139 | COND_INIT(&nthreads_cond); |
dce16143 MB |
140 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
141 | MUTEX_INIT(&svref_mutex); | |
142 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 143 | |
199100c8 | 144 | thr = init_main_thread(); |
11343788 MB |
145 | #endif /* USE_THREADS */ |
146 | ||
79072805 | 147 | linestr = NEWSV(65,80); |
ed6116ce | 148 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 149 | |
6e72f9df | 150 | if (!SvREADONLY(&sv_undef)) { |
151 | SvREADONLY_on(&sv_undef); | |
79072805 | 152 | |
6e72f9df | 153 | sv_setpv(&sv_no,No); |
154 | SvNV(&sv_no); | |
155 | SvREADONLY_on(&sv_no); | |
79072805 | 156 | |
6e72f9df | 157 | sv_setpv(&sv_yes,Yes); |
158 | SvNV(&sv_yes); | |
159 | SvREADONLY_on(&sv_yes); | |
160 | } | |
79072805 | 161 | |
c07a80fd | 162 | nrs = newSVpv("\n", 1); |
163 | rs = SvREFCNT_inc(nrs); | |
164 | ||
c23142e2 | 165 | sighandlerp = sighandler; |
44a8e56a | 166 | pidstatus = newHV(); |
167 | ||
79072805 LW |
168 | #ifdef MSDOS |
169 | /* | |
170 | * There is no way we can refer to them from Perl so close them to save | |
171 | * space. The other alternative would be to provide STDAUX and STDPRN | |
172 | * filehandles. | |
173 | */ | |
174 | (void)fclose(stdaux); | |
175 | (void)fclose(stdprn); | |
176 | #endif | |
177 | } | |
178 | ||
1a441de9 | 179 | init_stacks(ARGS); |
8990e307 | 180 | #ifdef MULTIPLICITY |
8ebc5c01 | 181 | I_REINIT; |
182 | perl_destruct_level = 1; | |
183 | #else | |
184 | if(perl_destruct_level > 0) | |
185 | I_REINIT; | |
79072805 LW |
186 | #endif |
187 | ||
748a9306 | 188 | init_ids(); |
fb73857a | 189 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 190 | |
54310121 | 191 | start_env.je_prev = NULL; |
192 | start_env.je_ret = -1; | |
193 | start_env.je_mustcatch = TRUE; | |
194 | top_env = &start_env; | |
f86702cc | 195 | STATUS_ALL_SUCCESS; |
196 | ||
36477c24 | 197 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 198 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 199 | sprintf(patchlevel, "%7.5f", (double) 5 |
200 | + ((double) PATCHLEVEL / (double) 1000) | |
201 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 202 | #else |
e2666263 | 203 | sprintf(patchlevel, "%5.3f", (double) 5 + |
204 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 205 | #endif |
79072805 | 206 | |
ab821d7f | 207 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 208 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 209 | #endif |
210 | ||
4b556e6c | 211 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 212 | |
4b556e6c JD |
213 | fdpid = newAV(); /* for remembering popen pids by fd */ |
214 | modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 215 | |
11343788 MB |
216 | DEBUG( { |
217 | New(51,debname,128,char); | |
218 | New(52,debdelim,128,char); | |
219 | } ) | |
220 | ||
8990e307 | 221 | ENTER; |
79072805 LW |
222 | } |
223 | ||
224 | void | |
8ac85365 | 225 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 226 | { |
11343788 | 227 | dTHR; |
748a9306 | 228 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 229 | I32 last_sv_count; |
a0d0e21e | 230 | HV *hv; |
1f2bfc8a | 231 | #ifdef USE_THREADS |
33f46ff6 | 232 | Thread t; |
1f2bfc8a | 233 | #endif /* USE_THREADS */ |
8990e307 | 234 | |
79072805 LW |
235 | if (!(curinterp = sv_interp)) |
236 | return; | |
748a9306 | 237 | |
11343788 | 238 | #ifdef USE_THREADS |
0f15f207 | 239 | #ifndef FAKE_THREADS |
8023c3ce MB |
240 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
241 | retry_cleanup: | |
33f46ff6 MB |
242 | MUTEX_LOCK(&threads_mutex); |
243 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 244 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
245 | nthreads - 1)); |
246 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
247 | MUTEX_LOCK(&t->mutex); |
248 | switch (ThrSTATE(t)) { | |
249 | AV *av; | |
c7848ba1 MB |
250 | case THRf_ZOMBIE: |
251 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
252 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
253 | ThrSETSTATE(t, THRf_DEAD); |
254 | MUTEX_UNLOCK(&t->mutex); | |
255 | nthreads--; | |
8023c3ce MB |
256 | /* |
257 | * The SvREFCNT_dec below may take a long time (e.g. av | |
258 | * may contain an object scalar whose destructor gets | |
259 | * called) so we have to unlock threads_mutex and start | |
260 | * all over again. | |
261 | */ | |
605e5515 | 262 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 263 | JOIN(t, &av); |
605e5515 | 264 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
265 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
266 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 267 | goto retry_cleanup; |
c7848ba1 MB |
268 | case THRf_R_JOINABLE: |
269 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
270 | "perl_destruct: detaching thread %p\n", t)); | |
271 | ThrSETSTATE(t, THRf_R_DETACHED); | |
272 | /* | |
273 | * We unlock threads_mutex and t->mutex in the opposite order | |
274 | * from which we locked them just so that DETACH won't | |
275 | * deadlock if it panics. It's only a breach of good style | |
276 | * not a bug since they are unlocks not locks. | |
277 | */ | |
278 | MUTEX_UNLOCK(&threads_mutex); | |
279 | DETACH(t); | |
280 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 281 | goto retry_cleanup; |
c7848ba1 MB |
282 | default: |
283 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
284 | "perl_destruct: ignoring %p (state %u)\n", | |
285 | t, ThrSTATE(t))); | |
286 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 287 | /* fall through and out */ |
33f46ff6 MB |
288 | } |
289 | } | |
8023c3ce MB |
290 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
291 | ||
292 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
293 | while (nthreads > 1) |
294 | { | |
33f46ff6 | 295 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 296 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
297 | nthreads - 1)); |
298 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
299 | } |
300 | /* At this point, we're the last thread */ | |
33f46ff6 | 301 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 302 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 303 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 304 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 305 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
306 | #endif /* USE_THREADS */ |
307 | ||
748a9306 | 308 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
309 | #ifdef DEBUGGING |
310 | { | |
311 | char *s; | |
5fd9e9a4 | 312 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 313 | int i = atoi(s); |
314 | if (destruct_level < i) | |
315 | destruct_level = i; | |
316 | } | |
4633a7c4 LW |
317 | } |
318 | #endif | |
319 | ||
8990e307 | 320 | LEAVE; |
a0d0e21e LW |
321 | FREETMPS; |
322 | ||
ff0cee69 | 323 | /* We must account for everything. */ |
324 | ||
325 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 326 | if (main_root) { |
327 | curpad = AvARRAY(comppad); | |
328 | op_free(main_root); | |
ff0cee69 | 329 | main_root = Nullop; |
a0d0e21e | 330 | } |
bac4b2ad | 331 | curcop = &compiling; |
ff0cee69 | 332 | main_start = Nullop; |
333 | SvREFCNT_dec(main_cv); | |
334 | main_cv = Nullcv; | |
335 | ||
a0d0e21e LW |
336 | if (sv_objcount) { |
337 | /* | |
338 | * Try to destruct global references. We do this first so that the | |
339 | * destructors and destructees still exist. Some sv's might remain. | |
340 | * Non-referenced objects are on their own. | |
341 | */ | |
342 | ||
343 | dirty = TRUE; | |
344 | sv_clean_objs(); | |
8990e307 LW |
345 | } |
346 | ||
5cd24f17 | 347 | /* unhook hooks which will soon be, or use, destroyed data */ |
348 | SvREFCNT_dec(warnhook); | |
349 | warnhook = Nullsv; | |
350 | SvREFCNT_dec(diehook); | |
351 | diehook = Nullsv; | |
352 | SvREFCNT_dec(parsehook); | |
353 | parsehook = Nullsv; | |
354 | ||
4b556e6c JD |
355 | /* call exit list functions */ |
356 | while (exitlistlen-- > 0) | |
357 | exitlist[exitlistlen].fn(exitlist[exitlistlen].ptr); | |
358 | ||
359 | Safefree(exitlist); | |
360 | ||
a0d0e21e | 361 | if (destruct_level == 0){ |
8990e307 | 362 | |
a0d0e21e LW |
363 | DEBUG_P(debprofdump()); |
364 | ||
365 | /* The exit() function will do everything that needs doing. */ | |
366 | return; | |
367 | } | |
5dd60ef7 | 368 | |
5f05dabc | 369 | /* loosen bonds of global variables */ |
370 | ||
8ebc5c01 | 371 | if(rsfp) { |
372 | (void)PerlIO_close(rsfp); | |
373 | rsfp = Nullfp; | |
374 | } | |
375 | ||
376 | /* Filters for program text */ | |
377 | SvREFCNT_dec(rsfp_filters); | |
378 | rsfp_filters = Nullav; | |
379 | ||
380 | /* switches */ | |
381 | preprocess = FALSE; | |
382 | minus_n = FALSE; | |
383 | minus_p = FALSE; | |
384 | minus_l = FALSE; | |
385 | minus_a = FALSE; | |
386 | minus_F = FALSE; | |
387 | doswitches = FALSE; | |
388 | dowarn = FALSE; | |
389 | doextract = FALSE; | |
390 | sawampersand = FALSE; /* must save all match strings */ | |
391 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
392 | sawvec = FALSE; | |
393 | unsafe = FALSE; | |
394 | ||
395 | Safefree(inplace); | |
396 | inplace = Nullch; | |
397 | ||
398 | Safefree(e_tmpname); | |
399 | e_tmpname = Nullch; | |
400 | ||
401 | if (e_fp) { | |
402 | PerlIO_close(e_fp); | |
403 | e_fp = Nullfp; | |
404 | } | |
405 | ||
406 | /* magical thingies */ | |
407 | ||
408 | Safefree(ofs); /* $, */ | |
409 | ofs = Nullch; | |
5f05dabc | 410 | |
8ebc5c01 | 411 | Safefree(ors); /* $\ */ |
412 | ors = Nullch; | |
413 | ||
414 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 415 | nrs = Nullsv; |
416 | ||
8ebc5c01 | 417 | multiline = 0; /* $* */ |
5f05dabc | 418 | |
8ebc5c01 | 419 | SvREFCNT_dec(statname); |
5f05dabc | 420 | statname = Nullsv; |
421 | statgv = Nullgv; | |
5f05dabc | 422 | |
8ebc5c01 | 423 | /* defgv, aka *_ should be taken care of elsewhere */ |
424 | ||
8ebc5c01 | 425 | /* clean up after study() */ |
426 | SvREFCNT_dec(lastscream); | |
427 | lastscream = Nullsv; | |
428 | Safefree(screamfirst); | |
429 | screamfirst = 0; | |
430 | Safefree(screamnext); | |
431 | screamnext = 0; | |
432 | ||
433 | /* startup and shutdown function lists */ | |
434 | SvREFCNT_dec(beginav); | |
435 | SvREFCNT_dec(endav); | |
77a005ab | 436 | SvREFCNT_dec(initav); |
5618dfe8 | 437 | beginav = Nullav; |
5618dfe8 | 438 | endav = Nullav; |
77a005ab | 439 | initav = Nullav; |
5618dfe8 | 440 | |
8ebc5c01 | 441 | /* shortcuts just get cleared */ |
442 | envgv = Nullgv; | |
443 | siggv = Nullgv; | |
444 | incgv = Nullgv; | |
12f917ad | 445 | errgv = Nullgv; |
8ebc5c01 | 446 | argvgv = Nullgv; |
447 | argvoutgv = Nullgv; | |
448 | stdingv = Nullgv; | |
449 | last_in_gv = Nullgv; | |
450 | ||
451 | /* reset so print() ends up where we expect */ | |
452 | setdefout(Nullgv); | |
453 | ||
a0d0e21e | 454 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 455 | |
a0d0e21e | 456 | hv = defstash; |
85e6fe83 | 457 | defstash = 0; |
a0d0e21e LW |
458 | SvREFCNT_dec(hv); |
459 | ||
460 | FREETMPS; | |
461 | if (destruct_level >= 2) { | |
462 | if (scopestack_ix != 0) | |
ff0cee69 | 463 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
464 | (long)scopestack_ix); | |
a0d0e21e | 465 | if (savestack_ix != 0) |
ff0cee69 | 466 | warn("Unbalanced saves: %ld more saves than restores\n", |
467 | (long)savestack_ix); | |
a0d0e21e | 468 | if (tmps_floor != -1) |
ff0cee69 | 469 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
470 | (long)tmps_floor + 1); | |
a0d0e21e | 471 | if (cxstack_ix != -1) |
ff0cee69 | 472 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
473 | (long)cxstack_ix + 1); | |
a0d0e21e | 474 | } |
8990e307 LW |
475 | |
476 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 477 | last_sv_count = 0; |
6e72f9df | 478 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
479 | while (sv_count != 0 && sv_count != last_sv_count) { |
480 | last_sv_count = sv_count; | |
481 | sv_clean_all(); | |
482 | } | |
6e72f9df | 483 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
484 | SvFLAGS(strtab) |= SVt_PVHV; | |
485 | ||
486 | /* Destruct the global string table. */ | |
487 | { | |
488 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
489 | * so that sv_free() won't fail on them. | |
490 | */ | |
491 | I32 riter; | |
492 | I32 max; | |
493 | HE *hent; | |
494 | HE **array; | |
495 | ||
496 | riter = 0; | |
497 | max = HvMAX(strtab); | |
498 | array = HvARRAY(strtab); | |
499 | hent = array[0]; | |
500 | for (;;) { | |
501 | if (hent) { | |
502 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
503 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
16bdeea2 | 504 | HeVAL(hent) = Nullsv; |
6e72f9df | 505 | hent = HeNEXT(hent); |
506 | } | |
507 | if (!hent) { | |
508 | if (++riter > max) | |
509 | break; | |
510 | hent = array[riter]; | |
511 | } | |
512 | } | |
513 | } | |
514 | SvREFCNT_dec(strtab); | |
515 | ||
8990e307 | 516 | if (sv_count != 0) |
ff0cee69 | 517 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 518 | |
4633a7c4 | 519 | sv_free_arenas(); |
44a8e56a | 520 | |
521 | /* No SVs have survived, need to clean out */ | |
522 | linestr = NULL; | |
523 | pidstatus = Nullhv; | |
6e72f9df | 524 | if (origfilename) |
525 | Safefree(origfilename); | |
526 | nuke_stacks(); | |
fc36a67e | 527 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
528 | |
529 | DEBUG_P(debprofdump()); | |
11343788 MB |
530 | #ifdef USE_THREADS |
531 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 532 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 533 | COND_DESTROY(&eval_cond); |
fc36a67e | 534 | |
8023c3ce MB |
535 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
536 | Safefree(SvPVX(thrsv)); | |
537 | Safefree(SvANY(thrsv)); | |
538 | Safefree(thrsv); | |
539 | thrsv = Nullsv; | |
540 | #endif /* USE_THREADS */ | |
541 | ||
fc36a67e | 542 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
543 | ||
544 | if (mess_sv) { | |
545 | /* we know that type >= SVt_PV */ | |
546 | SvOOK_off(mess_sv); | |
547 | Safefree(SvPVX(mess_sv)); | |
548 | Safefree(SvANY(mess_sv)); | |
549 | Safefree(mess_sv); | |
550 | mess_sv = Nullsv; | |
551 | } | |
79072805 LW |
552 | } |
553 | ||
554 | void | |
8ac85365 | 555 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
556 | { |
557 | if (!(curinterp = sv_interp)) | |
558 | return; | |
559 | Safefree(sv_interp); | |
560 | } | |
561 | ||
4b556e6c JD |
562 | void |
563 | perl_atexit(void (*fn) (void *), void *ptr) | |
564 | { | |
565 | Renew(exitlist, exitlistlen+1, PerlExitListEntry); | |
566 | exitlist[exitlistlen].fn = fn; | |
567 | exitlist[exitlistlen].ptr = ptr; | |
568 | ++exitlistlen; | |
569 | } | |
570 | ||
79072805 | 571 | int |
8ac85365 | 572 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 573 | { |
11343788 | 574 | dTHR; |
79072805 | 575 | register SV *sv; |
8d063cd8 | 576 | register char *s; |
1a30305b | 577 | char *scriptname = NULL; |
a0d0e21e | 578 | VOL bool dosearch = FALSE; |
13281fa4 | 579 | char *validarg = ""; |
2ae324a7 | 580 | I32 oldscope; |
748a9306 | 581 | AV* comppadlist; |
e5c9fcd0 | 582 | int e_tmpfd = -1; |
54310121 | 583 | dJMPENV; |
22921e25 | 584 | int ret; |
8d063cd8 | 585 | |
a687059c LW |
586 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
587 | #ifdef IAMSUID | |
588 | #undef IAMSUID | |
463ee0b2 | 589 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
590 | setuid perl scripts securely.\n"); |
591 | #endif | |
592 | #endif | |
593 | ||
79072805 LW |
594 | if (!(curinterp = sv_interp)) |
595 | return 255; | |
596 | ||
6e72f9df | 597 | #if defined(NeXT) && defined(__DYNAMIC__) |
598 | _dyld_lookup_and_bind | |
599 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
600 | #endif /* environ */ | |
601 | ||
ac58e20f LW |
602 | origargv = argv; |
603 | origargc = argc; | |
a0d0e21e | 604 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 605 | origenviron = environ; |
a0d0e21e | 606 | #endif |
ab821d7f | 607 | e_tmpname = Nullch; |
a0d0e21e LW |
608 | |
609 | if (do_undump) { | |
610 | ||
611 | /* Come here if running an undumped a.out. */ | |
612 | ||
613 | origfilename = savepv(argv[0]); | |
614 | do_undump = FALSE; | |
615 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 616 | init_ids(); |
a0d0e21e LW |
617 | init_postdump_symbols(argc,argv,env); |
618 | return 0; | |
619 | } | |
620 | ||
ff0cee69 | 621 | if (main_root) { |
622 | curpad = AvARRAY(comppad); | |
a0d0e21e | 623 | op_free(main_root); |
ff0cee69 | 624 | main_root = Nullop; |
625 | } | |
626 | main_start = Nullop; | |
627 | SvREFCNT_dec(main_cv); | |
628 | main_cv = Nullcv; | |
79072805 | 629 | |
f86702cc | 630 | time(&basetime); |
2ae324a7 | 631 | oldscope = scopestack_ix; |
f86702cc | 632 | |
22921e25 CS |
633 | JMPENV_PUSH(ret); |
634 | switch (ret) { | |
79072805 | 635 | case 1: |
f86702cc | 636 | STATUS_ALL_FAILURE; |
637 | /* FALL THROUGH */ | |
79072805 | 638 | case 2: |
f86702cc | 639 | /* my_exit() was called */ |
2ae324a7 | 640 | while (scopestack_ix > oldscope) |
641 | LEAVE; | |
84902520 | 642 | FREETMPS; |
8990e307 LW |
643 | curstash = defstash; |
644 | if (endav) | |
68dc0745 | 645 | call_list(oldscope, endav); |
54310121 | 646 | JMPENV_POP; |
f86702cc | 647 | return STATUS_NATIVE_EXPORT; |
79072805 | 648 | case 3: |
54310121 | 649 | JMPENV_POP; |
760ac839 | 650 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 651 | return 1; |
79072805 LW |
652 | } |
653 | ||
79072805 LW |
654 | sv_setpvn(linestr,"",0); |
655 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 656 | SAVEFREESV(sv); |
79072805 | 657 | init_main_stash(); |
54310121 | 658 | |
33b78306 | 659 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
660 | if (argv[0][0] != '-' || !argv[0][1]) |
661 | break; | |
13281fa4 LW |
662 | #ifdef DOSUID |
663 | if (*validarg) | |
664 | validarg = " PHOOEY "; | |
665 | else | |
666 | validarg = argv[0]; | |
667 | #endif | |
668 | s = argv[0]+1; | |
8d063cd8 | 669 | reswitch: |
13281fa4 | 670 | switch (*s) { |
27e2fb84 | 671 | case '0': |
2304df62 | 672 | case 'F': |
378cc40b | 673 | case 'a': |
33b78306 | 674 | case 'c': |
a687059c | 675 | case 'd': |
8d063cd8 | 676 | case 'D': |
4633a7c4 | 677 | case 'h': |
33b78306 | 678 | case 'i': |
fe14fcc3 | 679 | case 'l': |
1a30305b | 680 | case 'M': |
681 | case 'm': | |
33b78306 LW |
682 | case 'n': |
683 | case 'p': | |
79072805 | 684 | case 's': |
33b78306 LW |
685 | case 'u': |
686 | case 'U': | |
687 | case 'v': | |
688 | case 'w': | |
689 | if (s = moreswitches(s)) | |
690 | goto reswitch; | |
8d063cd8 | 691 | break; |
33b78306 | 692 | |
f86702cc | 693 | case 'T': |
694 | tainting = TRUE; | |
695 | s++; | |
696 | goto reswitch; | |
697 | ||
8d063cd8 | 698 | case 'e': |
a687059c | 699 | if (euid != uid || egid != gid) |
463ee0b2 | 700 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 701 | if (!e_fp) { |
51fa4eea JH |
702 | #ifdef HAS_UMASK |
703 | int oldumask = PerlLIO_umask(0177); | |
704 | #endif | |
a0d0e21e | 705 | e_tmpname = savepv(TMPPATH); |
e5c9fcd0 AD |
706 | #ifdef HAS_MKSTEMP |
707 | e_tmpfd = PerlLIO_mkstemp(e_tmpname); | |
e5c9fcd0 | 708 | #else /* use mktemp() */ |
3028581b | 709 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 | 710 | if (!*e_tmpname) |
51fa4eea JH |
711 | croak("Cannot generate temporary filename"); |
712 | # if defined(HAS_OPEN3) && defined(O_EXCL) | |
713 | e_tmpfd = open(e_tmpname, | |
714 | O_WRONLY | O_CREAT | O_EXCL, | |
715 | 0600); | |
716 | # else | |
717 | (void)UNLINK(e_tmpname); | |
718 | /* Yes, potential race. But at least we can say we tried. */ | |
760ac839 | 719 | e_fp = PerlIO_open(e_tmpname,"w"); |
51fa4eea JH |
720 | # endif |
721 | #endif /* ifdef HAS_MKSTEMP */ | |
722 | #if defined(HAS_MKSTEMP) || (defined(HAS_OPEN3) && defined(O_EXCL)) | |
723 | if (e_tmpfd < 0) | |
724 | croak("Cannot create temporary file \"%s\"", e_tmpname); | |
725 | e_fp = PerlIO_fdopen(e_tmpfd,"w"); | |
726 | #endif | |
e5c9fcd0 | 727 | if (!e_fp) |
51fa4eea JH |
728 | croak("Cannot create temporary file \"%s\"", e_tmpname); |
729 | #ifdef HAS_UMASK | |
730 | (void)PerlLIO_umask(oldumask); | |
731 | #endif | |
8d063cd8 | 732 | } |
552a7a9b | 733 | if (*++s) |
734 | PerlIO_puts(e_fp,s); | |
735 | else if (argv[1]) { | |
760ac839 | 736 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
737 | argc--,argv++; |
738 | } | |
552a7a9b | 739 | else |
740 | croak("No code specified for -e"); | |
760ac839 | 741 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 742 | break; |
fb73857a | 743 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 744 | forbid_setid("-I"); |
fb73857a | 745 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 746 | argc--,argv++; |
8d063cd8 | 747 | } |
fb73857a | 748 | while (s && isSPACE(*s)) |
749 | ++s; | |
750 | if (s && *s) { | |
751 | char *e, *p; | |
752 | for (e = s; *e && !isSPACE(*e); e++) ; | |
753 | p = savepvn(s, e-s); | |
754 | incpush(p, TRUE); | |
755 | sv_catpv(sv,"-I"); | |
756 | sv_catpv(sv,p); | |
757 | sv_catpv(sv," "); | |
758 | Safefree(p); | |
759 | } /* XXX else croak? */ | |
8d063cd8 | 760 | break; |
8d063cd8 | 761 | case 'P': |
bbce6d69 | 762 | forbid_setid("-P"); |
8d063cd8 | 763 | preprocess = TRUE; |
13281fa4 | 764 | s++; |
8d063cd8 | 765 | goto reswitch; |
378cc40b | 766 | case 'S': |
bbce6d69 | 767 | forbid_setid("-S"); |
378cc40b | 768 | dosearch = TRUE; |
13281fa4 | 769 | s++; |
378cc40b | 770 | goto reswitch; |
1a30305b | 771 | case 'V': |
772 | if (!preambleav) | |
773 | preambleav = newAV(); | |
774 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
775 | if (*++s != ':') { | |
6e72f9df | 776 | Sv = newSVpv("print myconfig();",0); |
777 | #ifdef VMS | |
778 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
779 | #else | |
780 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
781 | #endif | |
54310121 | 782 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 783 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 784 | # ifdef DEBUGGING |
46fc3d4c | 785 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 786 | # endif |
54310121 | 787 | # ifdef NO_EMBED |
46fc3d4c | 788 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 789 | # endif |
790 | # ifdef MULTIPLICITY | |
46fc3d4c | 791 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 792 | # endif |
46fc3d4c | 793 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 794 | #endif |
795 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 796 | if (LOCAL_PATCH_COUNT > 0) { |
797 | int i; | |
5cd24f17 | 798 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 799 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 800 | if (localpatches[i]) |
801 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 802 | } |
803 | } | |
804 | #endif | |
46fc3d4c | 805 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 806 | #ifdef __DATE__ |
807 | # ifdef __TIME__ | |
46fc3d4c | 808 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 809 | # else |
46fc3d4c | 810 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 811 | # endif |
6e72f9df | 812 | #endif |
54310121 | 813 | sv_catpv(Sv, "; \ |
814 | $\"=\"\\n \"; \ | |
815 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
816 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
817 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 818 | } |
819 | else { | |
820 | Sv = newSVpv("config_vars(qw(",0); | |
821 | sv_catpv(Sv, ++s); | |
822 | sv_catpv(Sv, "))"); | |
823 | s += strlen(s); | |
824 | } | |
825 | av_push(preambleav, Sv); | |
c07a80fd | 826 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 827 | goto reswitch; |
33b78306 LW |
828 | case 'x': |
829 | doextract = TRUE; | |
13281fa4 | 830 | s++; |
33b78306 | 831 | if (*s) |
a0d0e21e | 832 | cddir = savepv(s); |
33b78306 | 833 | break; |
8d063cd8 LW |
834 | case 0: |
835 | break; | |
fb73857a | 836 | case '-': |
837 | if (!*++s || isSPACE(*s)) { | |
838 | argc--,argv++; | |
839 | goto switch_end; | |
840 | } | |
841 | /* catch use of gnu style long options */ | |
842 | if (strEQ(s, "version")) { | |
843 | s = "v"; | |
844 | goto reswitch; | |
845 | } | |
846 | if (strEQ(s, "help")) { | |
847 | s = "h"; | |
848 | goto reswitch; | |
849 | } | |
850 | s--; | |
851 | /* FALL THROUGH */ | |
8d063cd8 | 852 | default: |
90248788 | 853 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
854 | } |
855 | } | |
856 | switch_end: | |
54310121 | 857 | |
5fd9e9a4 | 858 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a | 859 | while (s && *s) { |
54310121 | 860 | while (isSPACE(*s)) |
861 | s++; | |
862 | if (*s == '-') { | |
863 | s++; | |
864 | if (isSPACE(*s)) | |
865 | continue; | |
866 | } | |
867 | if (!*s) | |
868 | break; | |
869 | if (!strchr("DIMUdmw", *s)) | |
870 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
871 | s = moreswitches(s); | |
872 | } | |
873 | } | |
874 | ||
1a30305b | 875 | if (!scriptname) |
876 | scriptname = argv[0]; | |
8d063cd8 | 877 | if (e_fp) { |
68dc0745 | 878 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
879 | #ifndef MULTIPLICITY | |
880 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
881 | #endif | |
2304df62 | 882 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 883 | } |
ab821d7f | 884 | e_fp = Nullfp; |
8d063cd8 | 885 | argc++,argv--; |
45d8adaa | 886 | scriptname = e_tmpname; |
8d063cd8 | 887 | } |
79072805 LW |
888 | else if (scriptname == Nullch) { |
889 | #ifdef MSDOS | |
3028581b | 890 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 891 | moreswitches("h"); |
fe14fcc3 | 892 | #endif |
79072805 LW |
893 | scriptname = "-"; |
894 | } | |
fe14fcc3 | 895 | |
79072805 | 896 | init_perllib(); |
8d063cd8 | 897 | |
79072805 | 898 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 899 | |
96436eeb | 900 | validate_suid(validarg, scriptname); |
378cc40b | 901 | |
79072805 LW |
902 | if (doextract) |
903 | find_beginning(); | |
904 | ||
4fdae800 | 905 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 906 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 907 | CvUNIQUE_on(compcv); |
748a9306 | 908 | |
6e72f9df | 909 | comppad = newAV(); |
79072805 LW |
910 | av_push(comppad, Nullsv); |
911 | curpad = AvARRAY(comppad); | |
6e72f9df | 912 | comppad_name = newAV(); |
8990e307 | 913 | comppad_name_fill = 0; |
e858de61 MB |
914 | min_intro_pending = 0; |
915 | padix = 0; | |
11343788 MB |
916 | #ifdef USE_THREADS |
917 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 918 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 919 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 920 | CvOWNER(compcv) = 0; |
12ca11f6 | 921 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 922 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 923 | #endif /* USE_THREADS */ |
79072805 | 924 | |
748a9306 LW |
925 | comppadlist = newAV(); |
926 | AvREAL_off(comppadlist); | |
8e07c86e AD |
927 | av_store(comppadlist, 0, (SV*)comppad_name); |
928 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
929 | CvPADLIST(compcv) = comppadlist; |
930 | ||
6e72f9df | 931 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
932 | if (xsinit) |
933 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
39e571d4 | 934 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
935 | init_os_extras(); |
936 | #endif | |
93a17b20 | 937 | |
93a17b20 | 938 | init_predump_symbols(); |
8990e307 LW |
939 | if (!do_undump) |
940 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 941 | |
79072805 LW |
942 | init_lexer(); |
943 | ||
944 | /* now parse the script */ | |
945 | ||
61bb5906 | 946 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
947 | error_count = 0; |
948 | if (yyparse() || error_count) { | |
949 | if (minus_c) | |
463ee0b2 | 950 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 951 | else { |
463ee0b2 | 952 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 953 | origfilename); |
378cc40b | 954 | } |
79072805 LW |
955 | } |
956 | curcop->cop_line = 0; | |
957 | curstash = defstash; | |
958 | preprocess = FALSE; | |
ab821d7f | 959 | if (e_tmpname) { |
79072805 | 960 | (void)UNLINK(e_tmpname); |
ab821d7f | 961 | Safefree(e_tmpname); |
962 | e_tmpname = Nullch; | |
e5c9fcd0 | 963 | e_tmpfd = -1; |
378cc40b | 964 | } |
a687059c | 965 | |
93a17b20 | 966 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 967 | SvREFCNT_dec(rs); |
968 | rs = SvREFCNT_inc(nrs); | |
e1c148c2 | 969 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 LW |
970 | if (do_undump) |
971 | my_unexec(); | |
972 | ||
8990e307 LW |
973 | if (dowarn) |
974 | gv_check(defstash); | |
975 | ||
a0d0e21e LW |
976 | LEAVE; |
977 | FREETMPS; | |
c07a80fd | 978 | |
3562ef9b | 979 | #ifdef MYMALLOC |
5fd9e9a4 | 980 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 981 | dump_mstats("after compilation:"); |
982 | #endif | |
983 | ||
a0d0e21e LW |
984 | ENTER; |
985 | restartop = 0; | |
54310121 | 986 | JMPENV_POP; |
79072805 LW |
987 | return 0; |
988 | } | |
989 | ||
990 | int | |
8ac85365 | 991 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 992 | { |
e336de0d | 993 | dSP; |
2ae324a7 | 994 | I32 oldscope; |
22921e25 CS |
995 | dJMPENV; |
996 | int ret; | |
2ae324a7 | 997 | |
79072805 LW |
998 | if (!(curinterp = sv_interp)) |
999 | return 255; | |
2ae324a7 | 1000 | |
1001 | oldscope = scopestack_ix; | |
1002 | ||
22921e25 CS |
1003 | JMPENV_PUSH(ret); |
1004 | switch (ret) { | |
79072805 LW |
1005 | case 1: |
1006 | cxstack_ix = -1; /* start context stack again */ | |
1007 | break; | |
1008 | case 2: | |
f86702cc | 1009 | /* my_exit() was called */ |
2ae324a7 | 1010 | while (scopestack_ix > oldscope) |
1011 | LEAVE; | |
84902520 | 1012 | FREETMPS; |
79072805 | 1013 | curstash = defstash; |
93a17b20 | 1014 | if (endav) |
68dc0745 | 1015 | call_list(oldscope, endav); |
3562ef9b | 1016 | #ifdef MYMALLOC |
5fd9e9a4 | 1017 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 1018 | dump_mstats("after execution: "); |
1019 | #endif | |
54310121 | 1020 | JMPENV_POP; |
f86702cc | 1021 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1022 | case 3: |
1023 | if (!restartop) { | |
760ac839 | 1024 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 1025 | FREETMPS; |
54310121 | 1026 | JMPENV_POP; |
8990e307 | 1027 | return 1; |
83025b21 | 1028 | } |
e336de0d | 1029 | POPSTACK_TO(mainstack); |
79072805 | 1030 | break; |
8d063cd8 | 1031 | } |
79072805 | 1032 | |
fb73857a | 1033 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1034 | sawampersand ? "Enabling" : "Omitting")); |
1035 | ||
79072805 LW |
1036 | if (!restartop) { |
1037 | DEBUG_x(dump_all()); | |
760ac839 | 1038 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1039 | #ifdef USE_THREADS |
5dc0d613 MB |
1040 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1041 | (unsigned long) thr)); | |
11343788 | 1042 | #endif /* USE_THREADS */ |
79072805 LW |
1043 | |
1044 | if (minus_c) { | |
760ac839 | 1045 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1046 | my_exit(0); |
1047 | } | |
84902520 | 1048 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1049 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1050 | if (initav) |
1051 | call_list(oldscope, initav); | |
45d8adaa | 1052 | } |
79072805 LW |
1053 | |
1054 | /* do it */ | |
1055 | ||
1056 | if (restartop) { | |
1057 | op = restartop; | |
1058 | restartop = 0; | |
ab821d7f | 1059 | runops(); |
79072805 LW |
1060 | } |
1061 | else if (main_start) { | |
4fdae800 | 1062 | CvDEPTH(main_cv) = 1; |
79072805 | 1063 | op = main_start; |
ab821d7f | 1064 | runops(); |
79072805 | 1065 | } |
79072805 LW |
1066 | |
1067 | my_exit(0); | |
54310121 | 1068 | /* NOTREACHED */ |
a0d0e21e | 1069 | return 0; |
79072805 LW |
1070 | } |
1071 | ||
a0d0e21e | 1072 | SV* |
8ac85365 | 1073 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1074 | { |
2faa37cc | 1075 | GV *gv; |
38a03e6e | 1076 | #ifdef USE_THREADS |
2faa37cc | 1077 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1078 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1079 | if (tmp != NOT_IN_PAD) { |
1080 | dTHR; | |
940cb80d | 1081 | return THREADSV(tmp); |
2faa37cc | 1082 | } |
38a03e6e MB |
1083 | } |
1084 | #endif /* USE_THREADS */ | |
2faa37cc | 1085 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1086 | if (gv) |
1087 | return GvSV(gv); | |
1088 | return Nullsv; | |
1089 | } | |
1090 | ||
1091 | AV* | |
8ac85365 | 1092 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1093 | { |
1094 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1095 | if (create) | |
1096 | return GvAVn(gv); | |
1097 | if (gv) | |
1098 | return GvAV(gv); | |
1099 | return Nullav; | |
1100 | } | |
1101 | ||
1102 | HV* | |
8ac85365 | 1103 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1104 | { |
1105 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1106 | if (create) | |
1107 | return GvHVn(gv); | |
1108 | if (gv) | |
1109 | return GvHV(gv); | |
1110 | return Nullhv; | |
1111 | } | |
1112 | ||
1113 | CV* | |
8ac85365 | 1114 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1115 | { |
1116 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1117 | if (create && !GvCVu(gv)) |
774d564b | 1118 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1119 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1120 | Nullop, |
a0d0e21e LW |
1121 | Nullop); |
1122 | if (gv) | |
8ebc5c01 | 1123 | return GvCVu(gv); |
a0d0e21e LW |
1124 | return Nullcv; |
1125 | } | |
1126 | ||
79072805 LW |
1127 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1128 | ||
a0d0e21e | 1129 | I32 |
22239a37 | 1130 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1131 | |
1132 | /* See G_* flags in cop.h */ | |
1133 | /* null terminated arg list */ | |
8990e307 | 1134 | { |
a0d0e21e | 1135 | dSP; |
8990e307 | 1136 | |
924508f0 | 1137 | PUSHMARK(SP); |
a0d0e21e | 1138 | if (argv) { |
8990e307 | 1139 | while (*argv) { |
a0d0e21e | 1140 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1141 | argv++; |
1142 | } | |
a0d0e21e | 1143 | PUTBACK; |
8990e307 | 1144 | } |
22239a37 | 1145 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1146 | } |
1147 | ||
a0d0e21e | 1148 | I32 |
22239a37 | 1149 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1150 | /* name of the subroutine */ |
1151 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1152 | { |
22239a37 | 1153 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1154 | } |
1155 | ||
1156 | I32 | |
8ac85365 NIS |
1157 | perl_call_method(char *methname, I32 flags) |
1158 | /* name of the subroutine */ | |
1159 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1160 | { |
1161 | dSP; | |
1162 | OP myop; | |
1163 | if (!op) | |
1164 | op = &myop; | |
1165 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1166 | PUTBACK; | |
11343788 | 1167 | pp_method(ARGS); |
a0d0e21e LW |
1168 | return perl_call_sv(*stack_sp--, flags); |
1169 | } | |
1170 | ||
1171 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1172 | I32 | |
8ac85365 NIS |
1173 | perl_call_sv(SV *sv, I32 flags) |
1174 | ||
1175 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1176 | { |
924508f0 | 1177 | dSP; |
a0d0e21e | 1178 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1179 | I32 oldmark; |
a0d0e21e | 1180 | I32 retval; |
a0d0e21e | 1181 | I32 oldscope; |
6e72f9df | 1182 | static CV *DBcv; |
54310121 | 1183 | bool oldcatch = CATCH_GET; |
1184 | dJMPENV; | |
22921e25 | 1185 | int ret; |
d6602a8c | 1186 | OP* oldop = op; |
1e422769 | 1187 | |
a0d0e21e LW |
1188 | if (flags & G_DISCARD) { |
1189 | ENTER; | |
1190 | SAVETMPS; | |
1191 | } | |
1192 | ||
aa689395 | 1193 | Zero(&myop, 1, LOGOP); |
54310121 | 1194 | myop.op_next = Nullop; |
f51d4af5 | 1195 | if (!(flags & G_NOARGS)) |
aa689395 | 1196 | myop.op_flags |= OPf_STACKED; |
54310121 | 1197 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1198 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1199 | OPf_WANT_SCALAR); | |
462e5cf6 | 1200 | SAVEOP(); |
a0d0e21e | 1201 | op = (OP*)&myop; |
aa689395 | 1202 | |
a0d0e21e LW |
1203 | EXTEND(stack_sp, 1); |
1204 | *++stack_sp = sv; | |
aa689395 | 1205 | oldmark = TOPMARK; |
a0d0e21e LW |
1206 | oldscope = scopestack_ix; |
1207 | ||
84902520 | 1208 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1209 | /* Handle first BEGIN of -d. */ |
1210 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1211 | /* Try harder, since this may have been a sighandler, thus | |
1212 | * curstash may be meaningless. */ | |
491527d0 GS |
1213 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash) |
1214 | && !(flags & G_NODEBUG)) | |
6e72f9df | 1215 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1216 | |
1217 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1218 | cLOGOP->op_other = op; |
1219 | markstack_ptr--; | |
4633a7c4 LW |
1220 | /* we're trying to emulate pp_entertry() here */ |
1221 | { | |
c09156bb | 1222 | register PERL_CONTEXT *cx; |
54310121 | 1223 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1224 | |
1225 | ENTER; | |
1226 | SAVETMPS; | |
1227 | ||
1228 | push_return(op->op_next); | |
1229 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1230 | PUSHEVAL(cx, 0, 0); | |
1231 | eval_root = op; /* Only needed so that goto works right. */ | |
1232 | ||
1233 | in_eval = 1; | |
1234 | if (flags & G_KEEPERR) | |
1235 | in_eval |= 4; | |
1236 | else | |
38a03e6e | 1237 | sv_setpv(ERRSV,""); |
4633a7c4 | 1238 | } |
a0d0e21e LW |
1239 | markstack_ptr++; |
1240 | ||
22921e25 CS |
1241 | JMPENV_PUSH(ret); |
1242 | switch (ret) { | |
a0d0e21e LW |
1243 | case 0: |
1244 | break; | |
1245 | case 1: | |
f86702cc | 1246 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1247 | /* FALL THROUGH */ |
1248 | case 2: | |
1249 | /* my_exit() was called */ | |
1250 | curstash = defstash; | |
1251 | FREETMPS; | |
54310121 | 1252 | JMPENV_POP; |
a0d0e21e LW |
1253 | if (statusvalue) |
1254 | croak("Callback called exit"); | |
f86702cc | 1255 | my_exit_jump(); |
a0d0e21e LW |
1256 | /* NOTREACHED */ |
1257 | case 3: | |
1258 | if (restartop) { | |
1259 | op = restartop; | |
1260 | restartop = 0; | |
54310121 | 1261 | break; |
a0d0e21e LW |
1262 | } |
1263 | stack_sp = stack_base + oldmark; | |
1264 | if (flags & G_ARRAY) | |
1265 | retval = 0; | |
1266 | else { | |
1267 | retval = 1; | |
1268 | *++stack_sp = &sv_undef; | |
1269 | } | |
1270 | goto cleanup; | |
1271 | } | |
1272 | } | |
1e422769 | 1273 | else |
54310121 | 1274 | CATCH_SET(TRUE); |
a0d0e21e LW |
1275 | |
1276 | if (op == (OP*)&myop) | |
11343788 | 1277 | op = pp_entersub(ARGS); |
a0d0e21e | 1278 | if (op) |
ab821d7f | 1279 | runops(); |
a0d0e21e | 1280 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1281 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1282 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1283 | |
1284 | cleanup: | |
1285 | if (flags & G_EVAL) { | |
1286 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1287 | SV **newsp; |
1288 | PMOP *newpm; | |
1289 | I32 gimme; | |
c09156bb | 1290 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1291 | I32 optype; |
1292 | ||
1293 | POPBLOCK(cx,newpm); | |
1294 | POPEVAL(cx); | |
1295 | pop_return(); | |
1296 | curpm = newpm; | |
1297 | LEAVE; | |
a0d0e21e | 1298 | } |
54310121 | 1299 | JMPENV_POP; |
a0d0e21e | 1300 | } |
1e422769 | 1301 | else |
54310121 | 1302 | CATCH_SET(oldcatch); |
1e422769 | 1303 | |
a0d0e21e LW |
1304 | if (flags & G_DISCARD) { |
1305 | stack_sp = stack_base + oldmark; | |
1306 | retval = 0; | |
1307 | FREETMPS; | |
1308 | LEAVE; | |
1309 | } | |
d6602a8c | 1310 | op = oldop; |
a0d0e21e LW |
1311 | return retval; |
1312 | } | |
1313 | ||
6e72f9df | 1314 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1315 | |
a0d0e21e | 1316 | I32 |
8ac85365 NIS |
1317 | perl_eval_sv(SV *sv, I32 flags) |
1318 | ||
1319 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1320 | { |
924508f0 | 1321 | dSP; |
a0d0e21e | 1322 | UNOP myop; /* fake syntax tree node */ |
924508f0 | 1323 | I32 oldmark = SP - stack_base; |
4633a7c4 | 1324 | I32 retval; |
4633a7c4 | 1325 | I32 oldscope; |
54310121 | 1326 | dJMPENV; |
22921e25 | 1327 | int ret; |
84902520 TB |
1328 | OP* oldop = op; |
1329 | ||
4633a7c4 LW |
1330 | if (flags & G_DISCARD) { |
1331 | ENTER; | |
1332 | SAVETMPS; | |
1333 | } | |
1334 | ||
462e5cf6 | 1335 | SAVEOP(); |
79072805 | 1336 | op = (OP*)&myop; |
a0d0e21e | 1337 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1338 | EXTEND(stack_sp, 1); |
1339 | *++stack_sp = sv; | |
1340 | oldscope = scopestack_ix; | |
79072805 | 1341 | |
4633a7c4 LW |
1342 | if (!(flags & G_NOARGS)) |
1343 | myop.op_flags = OPf_STACKED; | |
79072805 | 1344 | myop.op_next = Nullop; |
6e72f9df | 1345 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1346 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1347 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1348 | OPf_WANT_SCALAR); | |
6e72f9df | 1349 | if (flags & G_KEEPERR) |
1350 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1351 | |
22921e25 CS |
1352 | JMPENV_PUSH(ret); |
1353 | switch (ret) { | |
4633a7c4 LW |
1354 | case 0: |
1355 | break; | |
1356 | case 1: | |
f86702cc | 1357 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1358 | /* FALL THROUGH */ |
1359 | case 2: | |
1360 | /* my_exit() was called */ | |
1361 | curstash = defstash; | |
1362 | FREETMPS; | |
54310121 | 1363 | JMPENV_POP; |
4633a7c4 LW |
1364 | if (statusvalue) |
1365 | croak("Callback called exit"); | |
f86702cc | 1366 | my_exit_jump(); |
4633a7c4 LW |
1367 | /* NOTREACHED */ |
1368 | case 3: | |
1369 | if (restartop) { | |
1370 | op = restartop; | |
1371 | restartop = 0; | |
54310121 | 1372 | break; |
4633a7c4 LW |
1373 | } |
1374 | stack_sp = stack_base + oldmark; | |
1375 | if (flags & G_ARRAY) | |
1376 | retval = 0; | |
1377 | else { | |
1378 | retval = 1; | |
1379 | *++stack_sp = &sv_undef; | |
1380 | } | |
1381 | goto cleanup; | |
1382 | } | |
1383 | ||
1384 | if (op == (OP*)&myop) | |
11343788 | 1385 | op = pp_entereval(ARGS); |
4633a7c4 | 1386 | if (op) |
ab821d7f | 1387 | runops(); |
4633a7c4 | 1388 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1389 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1390 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1391 | |
1392 | cleanup: | |
54310121 | 1393 | JMPENV_POP; |
4633a7c4 LW |
1394 | if (flags & G_DISCARD) { |
1395 | stack_sp = stack_base + oldmark; | |
1396 | retval = 0; | |
1397 | FREETMPS; | |
1398 | LEAVE; | |
1399 | } | |
84902520 | 1400 | op = oldop; |
4633a7c4 LW |
1401 | return retval; |
1402 | } | |
1403 | ||
137443ea | 1404 | SV* |
8ac85365 | 1405 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1406 | { |
1407 | dSP; | |
1408 | SV* sv = newSVpv(p, 0); | |
1409 | ||
924508f0 | 1410 | PUSHMARK(SP); |
137443ea | 1411 | perl_eval_sv(sv, G_SCALAR); |
1412 | SvREFCNT_dec(sv); | |
1413 | ||
1414 | SPAGAIN; | |
1415 | sv = POPs; | |
1416 | PUTBACK; | |
1417 | ||
38a03e6e MB |
1418 | if (croak_on_error && SvTRUE(ERRSV)) |
1419 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1420 | |
1421 | return sv; | |
1422 | } | |
1423 | ||
4633a7c4 LW |
1424 | /* Require a module. */ |
1425 | ||
1426 | void | |
8ac85365 | 1427 | perl_require_pv(char *pv) |
4633a7c4 LW |
1428 | { |
1429 | SV* sv = sv_newmortal(); | |
1430 | sv_setpv(sv, "require '"); | |
1431 | sv_catpv(sv, pv); | |
1432 | sv_catpv(sv, "'"); | |
1433 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1434 | } |
1435 | ||
79072805 | 1436 | void |
8ac85365 | 1437 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1438 | { |
1439 | register GV *gv; | |
1440 | ||
85e6fe83 | 1441 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1442 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1443 | } | |
1444 | ||
ab821d7f | 1445 | static void |
8ac85365 NIS |
1446 | usage(char *name) /* XXX move this out into a module ? */ |
1447 | ||
4633a7c4 | 1448 | { |
ab821d7f | 1449 | /* This message really ought to be max 23 lines. |
1450 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1451 | |
1452 | static char *usage[] = { | |
1453 | "-0[octal] specify record separator (\\0, if no argument)", | |
1454 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1455 | "-c check syntax only (runs BEGIN and END blocks)", | |
1456 | "-d[:debugger] run scripts under debugger", | |
1457 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1458 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1459 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1460 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1461 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1462 | "-l[octal] enable line ending processing, specifies line terminator", | |
1463 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1464 | "-n assume 'while (<>) { ... }' loop around your script", | |
1465 | "-p assume loop like -n but print line also like sed", | |
1466 | "-P run script through C preprocessor before compilation", | |
1467 | "-s enable some switch parsing for switches after script name", | |
1468 | "-S look for the script using PATH environment variable", | |
1469 | "-T turn on tainting checks", | |
1470 | "-u dump core after parsing script", | |
1471 | "-U allow unsafe operations", | |
95103687 | 1472 | "-v print version number, patchlevel plus VERY IMPORTANT perl info", |
fb73857a | 1473 | "-V[:variable] print perl configuration information", |
1474 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1475 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1476 | "\n", | |
1477 | NULL | |
1478 | }; | |
1479 | char **p = usage; | |
1480 | ||
ab821d7f | 1481 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1482 | while (*p) |
1483 | printf("\n %s", *p++); | |
4633a7c4 LW |
1484 | } |
1485 | ||
79072805 LW |
1486 | /* This routine handles any switches that can be given during run */ |
1487 | ||
1488 | char * | |
8ac85365 | 1489 | moreswitches(char *s) |
79072805 LW |
1490 | { |
1491 | I32 numlen; | |
c07a80fd | 1492 | U32 rschar; |
79072805 LW |
1493 | |
1494 | switch (*s) { | |
1495 | case '0': | |
a863c7d1 MB |
1496 | { |
1497 | dTHR; | |
c07a80fd | 1498 | rschar = scan_oct(s, 4, &numlen); |
1499 | SvREFCNT_dec(nrs); | |
1500 | if (rschar & ~((U8)~0)) | |
1501 | nrs = &sv_undef; | |
1502 | else if (!rschar && numlen >= 2) | |
1503 | nrs = newSVpv("", 0); | |
1504 | else { | |
1505 | char ch = rschar; | |
1506 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1507 | } |
1508 | return s + numlen; | |
a863c7d1 | 1509 | } |
2304df62 AD |
1510 | case 'F': |
1511 | minus_F = TRUE; | |
a0d0e21e | 1512 | splitstr = savepv(s + 1); |
2304df62 AD |
1513 | s += strlen(s); |
1514 | return s; | |
79072805 LW |
1515 | case 'a': |
1516 | minus_a = TRUE; | |
1517 | s++; | |
1518 | return s; | |
1519 | case 'c': | |
1520 | minus_c = TRUE; | |
1521 | s++; | |
1522 | return s; | |
1523 | case 'd': | |
bbce6d69 | 1524 | forbid_setid("-d"); |
4633a7c4 | 1525 | s++; |
c07a80fd | 1526 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1527 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1528 | s += strlen(s); |
4633a7c4 | 1529 | } |
a0d0e21e | 1530 | if (!perldb) { |
84902520 | 1531 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1532 | init_debugger(); |
1533 | } | |
79072805 LW |
1534 | return s; |
1535 | case 'D': | |
1536 | #ifdef DEBUGGING | |
bbce6d69 | 1537 | forbid_setid("-D"); |
79072805 | 1538 | if (isALPHA(s[1])) { |
8990e307 | 1539 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1540 | char *d; |
1541 | ||
93a17b20 | 1542 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1543 | debug |= 1 << (d - debopts); |
1544 | } | |
1545 | else { | |
1546 | debug = atoi(s+1); | |
1547 | for (s++; isDIGIT(*s); s++) ; | |
1548 | } | |
8990e307 | 1549 | debug |= 0x80000000; |
79072805 LW |
1550 | #else |
1551 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1552 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1553 | #endif |
1554 | /*SUPPRESS 530*/ | |
1555 | return s; | |
4633a7c4 LW |
1556 | case 'h': |
1557 | usage(origargv[0]); | |
3028581b | 1558 | PerlProc_exit(0); |
79072805 LW |
1559 | case 'i': |
1560 | if (inplace) | |
1561 | Safefree(inplace); | |
a0d0e21e | 1562 | inplace = savepv(s+1); |
79072805 LW |
1563 | /*SUPPRESS 530*/ |
1564 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1565 | if (*s) |
1566 | *s++ = '\0'; | |
1567 | return s; | |
1568 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1569 | forbid_setid("-I"); |
fb73857a | 1570 | ++s; |
1571 | while (*s && isSPACE(*s)) | |
1572 | ++s; | |
1573 | if (*s) { | |
774d564b | 1574 | char *e, *p; |
748a9306 | 1575 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1576 | p = savepvn(s, e-s); |
1577 | incpush(p, TRUE); | |
1578 | Safefree(p); | |
fb73857a | 1579 | s = e; |
79072805 LW |
1580 | } |
1581 | else | |
463ee0b2 | 1582 | croak("No space allowed after -I"); |
fb73857a | 1583 | return s; |
79072805 LW |
1584 | case 'l': |
1585 | minus_l = TRUE; | |
1586 | s++; | |
a0d0e21e LW |
1587 | if (ors) |
1588 | Safefree(ors); | |
79072805 | 1589 | if (isDIGIT(*s)) { |
a0d0e21e | 1590 | ors = savepv("\n"); |
79072805 LW |
1591 | orslen = 1; |
1592 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1593 | s += numlen; | |
1594 | } | |
1595 | else { | |
a863c7d1 | 1596 | dTHR; |
c07a80fd | 1597 | if (RsPARA(nrs)) { |
6e72f9df | 1598 | ors = "\n\n"; |
c07a80fd | 1599 | orslen = 2; |
1600 | } | |
1601 | else | |
1602 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1603 | ors = savepvn(ors, orslen); |
79072805 LW |
1604 | } |
1605 | return s; | |
1a30305b | 1606 | case 'M': |
bbce6d69 | 1607 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1608 | /* FALL THROUGH */ |
1609 | case 'm': | |
bbce6d69 | 1610 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1611 | if (*++s) { |
a5f75d66 | 1612 | char *start; |
11343788 | 1613 | SV *sv; |
a5f75d66 AD |
1614 | char *use = "use "; |
1615 | /* -M-foo == 'no foo' */ | |
1616 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1617 | sv = newSVpv(use,0); |
a5f75d66 | 1618 | start = s; |
1a30305b | 1619 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1620 | while(isALNUM(*s) || *s==':') ++s; |
1621 | if (*s != '=') { | |
11343788 | 1622 | sv_catpv(sv, start); |
c07a80fd | 1623 | if (*(start-1) == 'm') { |
1624 | if (*s != '\0') | |
1625 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1626 | sv_catpv( sv, " ()"); |
c07a80fd | 1627 | } |
1628 | } else { | |
11343788 MB |
1629 | sv_catpvn(sv, start, s-start); |
1630 | sv_catpv(sv, " split(/,/,q{"); | |
1631 | sv_catpv(sv, ++s); | |
1632 | sv_catpv(sv, "})"); | |
c07a80fd | 1633 | } |
1a30305b | 1634 | s += strlen(s); |
c07a80fd | 1635 | if (preambleav == NULL) |
1636 | preambleav = newAV(); | |
11343788 | 1637 | av_push(preambleav, sv); |
1a30305b | 1638 | } |
1639 | else | |
1640 | croak("No space allowed after -%c", *(s-1)); | |
1641 | return s; | |
79072805 LW |
1642 | case 'n': |
1643 | minus_n = TRUE; | |
1644 | s++; | |
1645 | return s; | |
1646 | case 'p': | |
1647 | minus_p = TRUE; | |
1648 | s++; | |
1649 | return s; | |
1650 | case 's': | |
bbce6d69 | 1651 | forbid_setid("-s"); |
79072805 LW |
1652 | doswitches = TRUE; |
1653 | s++; | |
1654 | return s; | |
463ee0b2 | 1655 | case 'T': |
f86702cc | 1656 | if (!tainting) |
9607fc9c | 1657 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1658 | s++; |
1659 | return s; | |
79072805 LW |
1660 | case 'u': |
1661 | do_undump = TRUE; | |
1662 | s++; | |
1663 | return s; | |
1664 | case 'U': | |
1665 | unsafe = TRUE; | |
1666 | s++; | |
1667 | return s; | |
1668 | case 'v': | |
a5f75d66 | 1669 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1670 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1671 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1672 | #else |
fb73857a | 1673 | printf("\nThis is perl, version %s built for %s", |
1674 | patchlevel, ARCHNAME); | |
1675 | #endif | |
1676 | #if defined(LOCAL_PATCH_COUNT) | |
1677 | if (LOCAL_PATCH_COUNT > 0) | |
1678 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1679 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1680 | #endif |
1a30305b | 1681 | |
a411490c | 1682 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1683 | #ifdef MSDOS |
fb73857a | 1684 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1685 | #endif |
1686 | #ifdef DJGPP | |
1687 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1688 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1689 | #endif |
79072805 | 1690 | #ifdef OS2 |
5dd60ef7 | 1691 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1692 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1693 | #endif |
79072805 | 1694 | #ifdef atarist |
760ac839 | 1695 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1696 | #endif |
760ac839 | 1697 | printf("\n\ |
79072805 | 1698 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
1699 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1700 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
1701 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
1702 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
3028581b | 1703 | PerlProc_exit(0); |
79072805 LW |
1704 | case 'w': |
1705 | dowarn = TRUE; | |
1706 | s++; | |
1707 | return s; | |
a0d0e21e | 1708 | case '*': |
79072805 LW |
1709 | case ' ': |
1710 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1711 | return s+2; | |
1712 | break; | |
a0d0e21e | 1713 | case '-': |
79072805 | 1714 | case 0: |
a868473f NIS |
1715 | #ifdef WIN32 |
1716 | case '\r': | |
1717 | #endif | |
79072805 LW |
1718 | case '\n': |
1719 | case '\t': | |
1720 | break; | |
aa689395 | 1721 | #ifdef ALTERNATE_SHEBANG |
1722 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1723 | break; | |
1724 | #endif | |
a0d0e21e LW |
1725 | case 'P': |
1726 | if (preprocess) | |
1727 | return s+1; | |
1728 | /* FALL THROUGH */ | |
79072805 | 1729 | default: |
a0d0e21e | 1730 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1731 | } |
1732 | return Nullch; | |
1733 | } | |
1734 | ||
1735 | /* compliments of Tom Christiansen */ | |
1736 | ||
1737 | /* unexec() can be found in the Gnu emacs distribution */ | |
1738 | ||
1739 | void | |
8ac85365 | 1740 | my_unexec(void) |
79072805 LW |
1741 | { |
1742 | #ifdef UNEXEC | |
46fc3d4c | 1743 | SV* prog; |
1744 | SV* file; | |
79072805 LW |
1745 | int status; |
1746 | extern int etext; | |
1747 | ||
46fc3d4c | 1748 | prog = newSVpv(BIN_EXP); |
1749 | sv_catpv(prog, "/perl"); | |
1750 | file = newSVpv(origfilename); | |
1751 | sv_catpv(file, ".perldump"); | |
79072805 | 1752 | |
46fc3d4c | 1753 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1754 | if (status) |
46fc3d4c | 1755 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1756 | SvPVX(prog), SvPVX(file)); | |
3028581b | 1757 | PerlProc_exit(status); |
79072805 | 1758 | #else |
a5f75d66 AD |
1759 | # ifdef VMS |
1760 | # include <lib$routines.h> | |
1761 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1762 | # else |
79072805 | 1763 | ABORT(); /* for use with undump */ |
aa689395 | 1764 | # endif |
a5f75d66 | 1765 | #endif |
79072805 LW |
1766 | } |
1767 | ||
1768 | static void | |
8ac85365 | 1769 | init_main_stash(void) |
79072805 | 1770 | { |
11343788 | 1771 | dTHR; |
463ee0b2 | 1772 | GV *gv; |
6e72f9df | 1773 | |
1774 | /* Note that strtab is a rather special HV. Assumptions are made | |
1775 | about not iterating on it, and not adding tie magic to it. | |
1776 | It is properly deallocated in perl_destruct() */ | |
1777 | strtab = newHV(); | |
1778 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1779 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1780 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1781 | ||
463ee0b2 | 1782 | curstash = defstash = newHV(); |
79072805 | 1783 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1784 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1785 | SvREFCNT_dec(GvHV(gv)); | |
1786 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1787 | SvREADONLY_on(gv); |
a0d0e21e | 1788 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1789 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1790 | GvMULTI_on(incgv); |
a0d0e21e | 1791 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1792 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1793 | GvMULTI_on(errgv); | |
84902520 | 1794 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1795 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1796 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1797 | curstash = defstash; |
1798 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1799 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1800 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1801 | /* We must init $/ before switches are processed. */ |
1802 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1803 | } |
1804 | ||
a0d0e21e LW |
1805 | static void |
1806 | open_script(char *scriptname, bool dosearch, SV *sv) | |
79072805 | 1807 | { |
0f15f207 | 1808 | dTHR; |
79072805 | 1809 | register char *s; |
2a92aaa0 | 1810 | |
491527d0 | 1811 | scriptname = find_script(scriptname, dosearch, NULL, 0); |
79072805 | 1812 | |
96436eeb | 1813 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1814 | char *s = scriptname + 8; | |
1815 | fdscript = atoi(s); | |
1816 | while (isDIGIT(*s)) | |
1817 | s++; | |
1818 | if (*s) | |
1819 | scriptname = s + 1; | |
1820 | } | |
1821 | else | |
1822 | fdscript = -1; | |
ab821d7f | 1823 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1824 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1825 | if (strEQ(origfilename,"-")) | |
1826 | scriptname = ""; | |
96436eeb | 1827 | if (fdscript >= 0) { |
a868473f | 1828 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 1829 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1830 | if (rsfp) |
1831 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1832 | #endif |
1833 | } | |
1834 | else if (preprocess) { | |
46fc3d4c | 1835 | char *cpp_cfg = CPPSTDIN; |
1836 | SV *cpp = NEWSV(0,0); | |
1837 | SV *cmd = NEWSV(0,0); | |
1838 | ||
1839 | if (strEQ(cpp_cfg, "cppstdin")) | |
1840 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1841 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1842 | |
79072805 | 1843 | sv_catpv(sv,"-I"); |
fed7345c | 1844 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1845 | |
79072805 | 1846 | #ifdef MSDOS |
46fc3d4c | 1847 | sv_setpvf(cmd, "\ |
79072805 LW |
1848 | sed %s -e \"/^[^#]/b\" \ |
1849 | -e \"/^#[ ]*include[ ]/b\" \ | |
1850 | -e \"/^#[ ]*define[ ]/b\" \ | |
1851 | -e \"/^#[ ]*if[ ]/b\" \ | |
1852 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1853 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1854 | -e \"/^#[ ]*else/b\" \ | |
1855 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1856 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1857 | -e \"/^#[ ]*endif/b\" \ | |
1858 | -e \"s/^#.*//\" \ | |
fc36a67e | 1859 | %s | %_ -C %_ %s", |
79072805 LW |
1860 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
1861 | #else | |
46fc3d4c | 1862 | sv_setpvf(cmd, "\ |
79072805 LW |
1863 | %s %s -e '/^[^#]/b' \ |
1864 | -e '/^#[ ]*include[ ]/b' \ | |
1865 | -e '/^#[ ]*define[ ]/b' \ | |
1866 | -e '/^#[ ]*if[ ]/b' \ | |
1867 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1868 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1869 | -e '/^#[ ]*else/b' \ | |
1870 | -e '/^#[ ]*elif[ ]/b' \ | |
1871 | -e '/^#[ ]*undef[ ]/b' \ | |
1872 | -e '/^#[ ]*endif/b' \ | |
1873 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 1874 | %s | %_ -C %_ %s", |
79072805 LW |
1875 | #ifdef LOC_SED |
1876 | LOC_SED, | |
1877 | #else | |
1878 | "sed", | |
1879 | #endif | |
1880 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
1881 | #endif | |
46fc3d4c | 1882 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
1883 | doextract = FALSE; |
1884 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
1885 | if (euid != uid && !euid) { /* if running suidperl */ | |
1886 | #ifdef HAS_SETEUID | |
1887 | (void)seteuid(uid); /* musn't stay setuid root */ | |
1888 | #else | |
1889 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1890 | (void)setreuid((Uid_t)-1, uid); |
1891 | #else | |
1892 | #ifdef HAS_SETRESUID | |
1893 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
1894 | #else |
1895 | setuid(uid); | |
1896 | #endif | |
1897 | #endif | |
85e6fe83 | 1898 | #endif |
79072805 | 1899 | if (geteuid() != uid) |
463ee0b2 | 1900 | croak("Can't do seteuid!\n"); |
79072805 LW |
1901 | } |
1902 | #endif /* IAMSUID */ | |
3028581b | 1903 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 1904 | SvREFCNT_dec(cmd); |
1905 | SvREFCNT_dec(cpp); | |
79072805 LW |
1906 | } |
1907 | else if (!*scriptname) { | |
bbce6d69 | 1908 | forbid_setid("program input from stdin"); |
760ac839 | 1909 | rsfp = PerlIO_stdin(); |
79072805 | 1910 | } |
96436eeb | 1911 | else { |
a868473f | 1912 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 1913 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1914 | if (rsfp) |
1915 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1916 | #endif |
1917 | } | |
5dd60ef7 | 1918 | if (e_tmpname) { |
1919 | e_fp = rsfp; | |
1920 | } | |
7aa04957 | 1921 | if (!rsfp) { |
13281fa4 | 1922 | #ifdef DOSUID |
a687059c | 1923 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
c6ed36e1 | 1924 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 1925 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 1926 | /* try again */ |
3028581b | 1927 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 1928 | croak("Can't do setuid\n"); |
13281fa4 LW |
1929 | } |
1930 | #endif | |
1931 | #endif | |
463ee0b2 | 1932 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 1933 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 1934 | } |
79072805 | 1935 | } |
8d063cd8 | 1936 | |
79072805 | 1937 | static void |
8ac85365 | 1938 | validate_suid(char *validarg, char *scriptname) |
79072805 | 1939 | { |
96436eeb | 1940 | int which; |
1941 | ||
13281fa4 LW |
1942 | /* do we need to emulate setuid on scripts? */ |
1943 | ||
1944 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
1945 | * in the kernel because of a security problem. Merely defining DOSUID | |
1946 | * in perl will not fix that problem, but if you have disabled setuid | |
1947 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
1948 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
1949 | * root version must be called suidperl or sperlN.NNN. If regular perl |
1950 | * discovers that it has opened a setuid script, it calls suidperl with | |
1951 | * the same argv that it had. If suidperl finds that the script it has | |
1952 | * just opened is NOT setuid root, it sets the effective uid back to the | |
1953 | * uid. We don't just make perl setuid root because that loses the | |
1954 | * effective uid we had before invoking perl, if it was different from the | |
1955 | * uid. | |
13281fa4 LW |
1956 | * |
1957 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
1958 | * be defined in suidperl only. suidperl must be setuid root. The | |
1959 | * Configure script will set this up for you if you want it. | |
1960 | */ | |
a687059c | 1961 | |
13281fa4 | 1962 | #ifdef DOSUID |
ea0efc06 | 1963 | dTHR; |
6e72f9df | 1964 | char *s, *s2; |
a0d0e21e | 1965 | |
3028581b | 1966 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 1967 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 1968 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 1969 | I32 len; |
13281fa4 | 1970 | |
a687059c | 1971 | #ifdef IAMSUID |
fe14fcc3 | 1972 | #ifndef HAS_SETREUID |
a687059c LW |
1973 | /* On this access check to make sure the directories are readable, |
1974 | * there is actually a small window that the user could use to make | |
1975 | * filename point to an accessible directory. So there is a faint | |
1976 | * chance that someone could execute a setuid script down in a | |
1977 | * non-accessible directory. I don't know what to do about that. | |
1978 | * But I don't think it's too important. The manual lies when | |
1979 | * it says access() is useful in setuid programs. | |
1980 | */ | |
3028581b | 1981 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 1982 | croak("Permission denied"); |
a687059c LW |
1983 | #else |
1984 | /* If we can swap euid and uid, then we can determine access rights | |
1985 | * with a simple stat of the file, and then compare device and | |
1986 | * inode to make sure we did stat() on the same file we opened. | |
1987 | * Then we just have to make sure he or she can execute it. | |
1988 | */ | |
1989 | { | |
1990 | struct stat tmpstatbuf; | |
1991 | ||
85e6fe83 LW |
1992 | if ( |
1993 | #ifdef HAS_SETREUID | |
1994 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
1995 | #else |
1996 | # if HAS_SETRESUID | |
85e6fe83 | 1997 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 1998 | # endif |
85e6fe83 LW |
1999 | #endif |
2000 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2001 | croak("Can't swap uid and euid"); /* really paranoid */ |
c6ed36e1 | 2002 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2003 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2004 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2005 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2006 | (void)PerlIO_close(rsfp); |
3028581b | 2007 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2008 | PerlIO_printf(rsfp, |
ff0cee69 | 2009 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2010 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2011 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2012 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2013 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2014 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
3028581b | 2015 | (void)PerlProc_pclose(rsfp); |
a687059c | 2016 | } |
463ee0b2 | 2017 | croak("Permission denied\n"); |
a687059c | 2018 | } |
85e6fe83 LW |
2019 | if ( |
2020 | #ifdef HAS_SETREUID | |
2021 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2022 | #else |
2023 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2024 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2025 | # endif |
85e6fe83 LW |
2026 | #endif |
2027 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2028 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2029 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2030 | croak("Permission denied\n"); |
a687059c | 2031 | } |
fe14fcc3 | 2032 | #endif /* HAS_SETREUID */ |
a687059c LW |
2033 | #endif /* IAMSUID */ |
2034 | ||
27e2fb84 | 2035 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2036 | croak("Permission denied"); |
27e2fb84 | 2037 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2038 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2039 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2040 | curcop->cop_line++; |
760ac839 LW |
2041 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2042 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2043 | croak("No #! line"); |
760ac839 | 2044 | s = SvPV(linestr,na)+2; |
663a0e37 | 2045 | if (*s == ' ') s++; |
45d8adaa | 2046 | while (!isSPACE(*s)) s++; |
760ac839 | 2047 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2048 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2049 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2050 | croak("Not a perl script"); |
a687059c | 2051 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2052 | /* |
2053 | * #! arg must be what we saw above. They can invoke it by | |
2054 | * mentioning suidperl explicitly, but they may not add any strange | |
2055 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2056 | */ | |
2057 | len = strlen(validarg); | |
2058 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2059 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2060 | croak("Args must match #! line"); |
a687059c LW |
2061 | |
2062 | #ifndef IAMSUID | |
2063 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2064 | euid == statbuf.st_uid) | |
2065 | if (!do_undump) | |
463ee0b2 | 2066 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2067 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2068 | #endif /* IAMSUID */ | |
13281fa4 LW |
2069 | |
2070 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2071 | (void)PerlIO_close(rsfp); |
13281fa4 | 2072 | #ifndef IAMSUID |
46fc3d4c | 2073 | /* try again */ |
3028581b | 2074 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2075 | #endif |
463ee0b2 | 2076 | croak("Can't do setuid\n"); |
13281fa4 LW |
2077 | } |
2078 | ||
83025b21 | 2079 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2080 | #ifdef HAS_SETEGID |
a687059c LW |
2081 | (void)setegid(statbuf.st_gid); |
2082 | #else | |
fe14fcc3 | 2083 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2084 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2085 | #else | |
2086 | #ifdef HAS_SETRESGID | |
2087 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2088 | #else |
2089 | setgid(statbuf.st_gid); | |
2090 | #endif | |
2091 | #endif | |
85e6fe83 | 2092 | #endif |
83025b21 | 2093 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2094 | croak("Can't do setegid!\n"); |
83025b21 | 2095 | } |
a687059c LW |
2096 | if (statbuf.st_mode & S_ISUID) { |
2097 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2098 | #ifdef HAS_SETEUID |
a687059c LW |
2099 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2100 | #else | |
fe14fcc3 | 2101 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2102 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2103 | #else | |
2104 | #ifdef HAS_SETRESUID | |
2105 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2106 | #else |
2107 | setuid(statbuf.st_uid); | |
2108 | #endif | |
2109 | #endif | |
85e6fe83 | 2110 | #endif |
83025b21 | 2111 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2112 | croak("Can't do seteuid!\n"); |
a687059c | 2113 | } |
83025b21 | 2114 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2115 | #ifdef HAS_SETEUID |
85e6fe83 | 2116 | (void)seteuid((Uid_t)uid); |
a687059c | 2117 | #else |
fe14fcc3 | 2118 | #ifdef HAS_SETREUID |
85e6fe83 | 2119 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2120 | #else |
85e6fe83 LW |
2121 | #ifdef HAS_SETRESUID |
2122 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2123 | #else | |
2124 | setuid((Uid_t)uid); | |
2125 | #endif | |
a687059c LW |
2126 | #endif |
2127 | #endif | |
83025b21 | 2128 | if (geteuid() != uid) |
463ee0b2 | 2129 | croak("Can't do seteuid!\n"); |
83025b21 | 2130 | } |
748a9306 | 2131 | init_ids(); |
27e2fb84 | 2132 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2133 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2134 | } |
2135 | #ifdef IAMSUID | |
2136 | else if (preprocess) | |
463ee0b2 | 2137 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2138 | else if (fdscript >= 0) |
2139 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2140 | else |
463ee0b2 | 2141 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2142 | |
2143 | /* We absolutely must clear out any saved ids here, so we */ | |
2144 | /* exec the real perl, substituting fd script for scriptname. */ | |
2145 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2146 | PerlIO_rewind(rsfp); |
3028581b | 2147 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2148 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2149 | if (!origargv[which]) | |
2150 | croak("Permission denied"); | |
46fc3d4c | 2151 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2152 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2153 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2154 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2155 | #endif |
3028581b | 2156 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2157 | croak("Can't do setuid\n"); |
13281fa4 | 2158 | #endif /* IAMSUID */ |
a687059c | 2159 | #else /* !DOSUID */ |
a687059c LW |
2160 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2161 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2162 | dTHR; |
3028581b | 2163 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2164 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2165 | || | |
2166 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2167 | ) | |
2168 | if (!do_undump) | |
463ee0b2 | 2169 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2170 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2171 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2172 | /* not set-id, must be wrapped */ | |
a687059c | 2173 | } |
13281fa4 | 2174 | #endif /* DOSUID */ |
79072805 | 2175 | } |
13281fa4 | 2176 | |
79072805 | 2177 | static void |
8ac85365 | 2178 | find_beginning(void) |
79072805 | 2179 | { |
6e72f9df | 2180 | register char *s, *s2; |
33b78306 LW |
2181 | |
2182 | /* skip forward in input to the real script? */ | |
2183 | ||
bbce6d69 | 2184 | forbid_setid("-x"); |
33b78306 | 2185 | while (doextract) { |
79072805 | 2186 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2187 | croak("No Perl script found in input\n"); |
6e72f9df | 2188 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2189 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2190 | doextract = FALSE; |
6e72f9df | 2191 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2192 | s2 = s; | |
2193 | while (*s == ' ' || *s == '\t') s++; | |
2194 | if (*s++ == '-') { | |
2195 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2196 | if (strnEQ(s2-4,"perl",4)) | |
2197 | /*SUPPRESS 530*/ | |
2198 | while (s = moreswitches(s)) ; | |
33b78306 | 2199 | } |
3028581b | 2200 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2201 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2202 | } |
2203 | } | |
2204 | } | |
2205 | ||
79072805 | 2206 | static void |
8ac85365 | 2207 | init_ids(void) |
352d5a3a | 2208 | { |
748a9306 LW |
2209 | uid = (int)getuid(); |
2210 | euid = (int)geteuid(); | |
2211 | gid = (int)getgid(); | |
2212 | egid = (int)getegid(); | |
2213 | #ifdef VMS | |
2214 | uid |= gid << 16; | |
2215 | euid |= egid << 16; | |
2216 | #endif | |
4633a7c4 | 2217 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2218 | } |
79072805 | 2219 | |
748a9306 | 2220 | static void |
8ac85365 | 2221 | forbid_setid(char *s) |
bbce6d69 | 2222 | { |
2223 | if (euid != uid) | |
2224 | croak("No %s allowed while running setuid", s); | |
2225 | if (egid != gid) | |
2226 | croak("No %s allowed while running setgid", s); | |
2227 | } | |
2228 | ||
2229 | static void | |
8ac85365 | 2230 | init_debugger(void) |
748a9306 | 2231 | { |
11343788 | 2232 | dTHR; |
79072805 | 2233 | curstash = debstash; |
748a9306 | 2234 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2235 | AvREAL_off(dbargs); |
a0d0e21e LW |
2236 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2237 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2238 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2239 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2240 | sv_setiv(DBsingle, 0); |
748a9306 | 2241 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2242 | sv_setiv(DBtrace, 0); |
748a9306 | 2243 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2244 | sv_setiv(DBsignal, 0); |
79072805 | 2245 | curstash = defstash; |
352d5a3a LW |
2246 | } |
2247 | ||
2ce36478 SM |
2248 | #ifndef STRESS_REALLOC |
2249 | #define REASONABLE(size) (size) | |
2250 | #else | |
2251 | #define REASONABLE(size) (1) /* unreasonable */ | |
2252 | #endif | |
2253 | ||
11343788 | 2254 | void |
8ac85365 | 2255 | init_stacks(ARGSproto) |
79072805 | 2256 | { |
e336de0d GS |
2257 | /* start with 128-item stack and 8K cxstack */ |
2258 | curstackinfo = new_stackinfo(REASONABLE(128), | |
2259 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); | |
2260 | curstackinfo->si_type = SI_MAIN; | |
2261 | curstack = curstackinfo->si_stack; | |
5f05dabc | 2262 | mainstack = curstack; /* remember in case we switch stacks */ |
79072805 | 2263 | |
6e72f9df | 2264 | stack_base = AvARRAY(curstack); |
79072805 | 2265 | stack_sp = stack_base; |
e336de0d | 2266 | stack_max = stack_base + AvMAX(curstack); |
8990e307 | 2267 | |
2ce36478 | 2268 | New(50,tmps_stack,REASONABLE(128),SV*); |
6d4ff0d2 | 2269 | tmps_floor = -1; |
8990e307 | 2270 | tmps_ix = -1; |
2ce36478 | 2271 | tmps_max = REASONABLE(128); |
8990e307 | 2272 | |
5f05dabc | 2273 | /* |
2274 | * The following stacks almost certainly should be per-interpreter, | |
2275 | * but for now they're not. XXX | |
2276 | */ | |
2277 | ||
6e72f9df | 2278 | if (markstack) { |
2279 | markstack_ptr = markstack; | |
2280 | } else { | |
2ce36478 | 2281 | New(54,markstack,REASONABLE(32),I32); |
6e72f9df | 2282 | markstack_ptr = markstack; |
2ce36478 | 2283 | markstack_max = markstack + REASONABLE(32); |
6e72f9df | 2284 | } |
79072805 | 2285 | |
e336de0d GS |
2286 | SET_MARKBASE; |
2287 | ||
6e72f9df | 2288 | if (scopestack) { |
2289 | scopestack_ix = 0; | |
2290 | } else { | |
2ce36478 | 2291 | New(54,scopestack,REASONABLE(32),I32); |
6e72f9df | 2292 | scopestack_ix = 0; |
2ce36478 | 2293 | scopestack_max = REASONABLE(32); |
6e72f9df | 2294 | } |
79072805 | 2295 | |
6e72f9df | 2296 | if (savestack) { |
2297 | savestack_ix = 0; | |
2298 | } else { | |
2ce36478 | 2299 | New(54,savestack,REASONABLE(128),ANY); |
6e72f9df | 2300 | savestack_ix = 0; |
2ce36478 | 2301 | savestack_max = REASONABLE(128); |
6e72f9df | 2302 | } |
79072805 | 2303 | |
6e72f9df | 2304 | if (retstack) { |
2305 | retstack_ix = 0; | |
2306 | } else { | |
2ce36478 | 2307 | New(54,retstack,REASONABLE(16),OP*); |
6e72f9df | 2308 | retstack_ix = 0; |
2ce36478 | 2309 | retstack_max = REASONABLE(16); |
5f05dabc | 2310 | } |
378cc40b | 2311 | } |
33b78306 | 2312 | |
2ce36478 SM |
2313 | #undef REASONABLE |
2314 | ||
6e72f9df | 2315 | static void |
8ac85365 | 2316 | nuke_stacks(void) |
6e72f9df | 2317 | { |
e858de61 | 2318 | dTHR; |
e336de0d GS |
2319 | while (curstackinfo->si_next) |
2320 | curstackinfo = curstackinfo->si_next; | |
2321 | while (curstackinfo) { | |
2322 | PERL_SI *p = curstackinfo->si_prev; | |
bac4b2ad | 2323 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
e336de0d GS |
2324 | Safefree(curstackinfo->si_cxstack); |
2325 | Safefree(curstackinfo); | |
2326 | curstackinfo = p; | |
2327 | } | |
6e72f9df | 2328 | Safefree(tmps_stack); |
5f05dabc | 2329 | DEBUG( { |
2330 | Safefree(debname); | |
2331 | Safefree(debdelim); | |
2332 | } ) | |
378cc40b | 2333 | } |
33b78306 | 2334 | |
760ac839 | 2335 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2336 | |
79072805 | 2337 | static void |
8ac85365 | 2338 | init_lexer(void) |
8990e307 | 2339 | { |
a0d0e21e | 2340 | tmpfp = rsfp; |
90248788 | 2341 | rsfp = Nullfp; |
8990e307 LW |
2342 | lex_start(linestr); |
2343 | rsfp = tmpfp; | |
2344 | subname = newSVpv("main",4); | |
2345 | } | |
2346 | ||
2347 | static void | |
8ac85365 | 2348 | init_predump_symbols(void) |
45d8adaa | 2349 | { |
11343788 | 2350 | dTHR; |
93a17b20 | 2351 | GV *tmpgv; |
a0d0e21e | 2352 | GV *othergv; |
79072805 | 2353 | |
e1c148c2 | 2354 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2355 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2356 | GvMULTI_on(stdingv); |
760ac839 | 2357 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2358 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2359 | GvMULTI_on(tmpgv); |
a0d0e21e | 2360 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2361 | |
85e6fe83 | 2362 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2363 | GvMULTI_on(tmpgv); |
760ac839 | 2364 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2365 | setdefout(tmpgv); |
adbc6bb1 | 2366 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2367 | GvMULTI_on(tmpgv); |
a0d0e21e | 2368 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2369 | |
a0d0e21e | 2370 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2371 | GvMULTI_on(othergv); |
760ac839 | 2372 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2373 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2374 | GvMULTI_on(tmpgv); |
a0d0e21e | 2375 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2376 | |
2377 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2378 | |
6e72f9df | 2379 | if (!osname) |
2380 | osname = savepv(OSNAME); | |
79072805 | 2381 | } |
33b78306 | 2382 | |
79072805 | 2383 | static void |
8ac85365 | 2384 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2385 | { |
a863c7d1 | 2386 | dTHR; |
79072805 LW |
2387 | char *s; |
2388 | SV *sv; | |
2389 | GV* tmpgv; | |
fe14fcc3 | 2390 | |
79072805 LW |
2391 | argc--,argv++; /* skip name of script */ |
2392 | if (doswitches) { | |
2393 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2394 | if (!argv[0][1]) | |
2395 | break; | |
2396 | if (argv[0][1] == '-') { | |
2397 | argc--,argv++; | |
2398 | break; | |
2399 | } | |
93a17b20 | 2400 | if (s = strchr(argv[0], '=')) { |
79072805 | 2401 | *s++ = '\0'; |
85e6fe83 | 2402 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2403 | } |
2404 | else | |
85e6fe83 | 2405 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2406 | } |
79072805 LW |
2407 | } |
2408 | toptarget = NEWSV(0,0); | |
2409 | sv_upgrade(toptarget, SVt_PVFM); | |
2410 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2411 | bodytarget = NEWSV(0,0); |
79072805 LW |
2412 | sv_upgrade(bodytarget, SVt_PVFM); |
2413 | sv_setpvn(bodytarget, "", 0); | |
2414 | formtarget = bodytarget; | |
2415 | ||
bbce6d69 | 2416 | TAINT; |
85e6fe83 | 2417 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2418 | sv_setpv(GvSV(tmpgv),origfilename); |
2419 | magicname("0", "0", 1); | |
2420 | } | |
85e6fe83 | 2421 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2422 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2423 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2424 | GvMULTI_on(argvgv); |
79072805 LW |
2425 | (void)gv_AVadd(argvgv); |
2426 | av_clear(GvAVn(argvgv)); | |
2427 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2428 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2429 | } |
2430 | } | |
85e6fe83 | 2431 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2432 | HV *hv; |
a5f75d66 | 2433 | GvMULTI_on(envgv); |
79072805 | 2434 | hv = GvHVn(envgv); |
5aabfad6 | 2435 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2436 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2437 | /* Note that if the supplied env parameter is actually a copy |
2438 | of the global environ then it may now point to free'd memory | |
2439 | if the environment has been modified since. To avoid this | |
2440 | problem we treat env==NULL as meaning 'use the default' | |
2441 | */ | |
2442 | if (!env) | |
2443 | env = environ; | |
5aabfad6 | 2444 | if (env != environ) |
79072805 LW |
2445 | environ[0] = Nullch; |
2446 | for (; *env; env++) { | |
93a17b20 | 2447 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2448 | continue; |
2449 | *s++ = '\0'; | |
39e571d4 | 2450 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2451 | (void)strupr(*env); |
2452 | #endif | |
79072805 LW |
2453 | sv = newSVpv(s--,0); |
2454 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2455 | *s = '='; | |
3e3baf6d TB |
2456 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2457 | /* Sins of the RTL. See note in my_setenv(). */ | |
5fd9e9a4 | 2458 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2459 | #endif |
fe14fcc3 | 2460 | } |
4550b24a | 2461 | #endif |
2462 | #ifdef DYNAMIC_ENV_FETCH | |
2463 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2464 | #endif | |
79072805 | 2465 | } |
bbce6d69 | 2466 | TAINT_NOT; |
85e6fe83 | 2467 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2468 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2469 | } |
34de22dd | 2470 | |
79072805 | 2471 | static void |
8ac85365 | 2472 | init_perllib(void) |
34de22dd | 2473 | { |
85e6fe83 LW |
2474 | char *s; |
2475 | if (!tainting) { | |
552a7a9b | 2476 | #ifndef VMS |
5fd9e9a4 | 2477 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2478 | if (s) |
774d564b | 2479 | incpush(s, TRUE); |
85e6fe83 | 2480 | else |
5fd9e9a4 | 2481 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2482 | #else /* VMS */ |
2483 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2484 | * "natural" VMS idiom for a Unix path string. We allow each | |
2485 | * element to be a set of |-separated directories for compatibility. | |
2486 | */ | |
2487 | char buf[256]; | |
2488 | int idx = 0; | |
2489 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2490 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2491 | else |
774d564b | 2492 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2493 | #endif /* VMS */ |
85e6fe83 | 2494 | } |
34de22dd | 2495 | |
c90c0ff4 | 2496 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2497 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2498 | */ |
4633a7c4 | 2499 | #ifdef APPLLIB_EXP |
43051805 | 2500 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 2501 | #endif |
4633a7c4 | 2502 | |
fed7345c | 2503 | #ifdef ARCHLIB_EXP |
774d564b | 2504 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2505 | #endif |
fed7345c AD |
2506 | #ifndef PRIVLIB_EXP |
2507 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2508 | #endif |
774d564b | 2509 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2510 | |
2511 | #ifdef SITEARCH_EXP | |
774d564b | 2512 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2513 | #endif |
2514 | #ifdef SITELIB_EXP | |
774d564b | 2515 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2516 | #endif |
4633a7c4 | 2517 | if (!tainting) |
774d564b | 2518 | incpush(".", FALSE); |
2519 | } | |
2520 | ||
2521 | #if defined(DOSISH) | |
2522 | # define PERLLIB_SEP ';' | |
2523 | #else | |
2524 | # if defined(VMS) | |
2525 | # define PERLLIB_SEP '|' | |
2526 | # else | |
2527 | # define PERLLIB_SEP ':' | |
2528 | # endif | |
2529 | #endif | |
2530 | #ifndef PERLLIB_MANGLE | |
2531 | # define PERLLIB_MANGLE(s,n) (s) | |
2532 | #endif | |
2533 | ||
2534 | static void | |
8ac85365 | 2535 | incpush(char *p, int addsubdirs) |
774d564b | 2536 | { |
2537 | SV *subdir = Nullsv; | |
2538 | static char *archpat_auto; | |
2539 | ||
2540 | if (!p) | |
2541 | return; | |
2542 | ||
2543 | if (addsubdirs) { | |
8c52afec | 2544 | subdir = NEWSV(55,0); |
774d564b | 2545 | if (!archpat_auto) { |
2546 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2547 | + sizeof("//auto")); | |
2548 | New(55, archpat_auto, len, char); | |
2549 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2550 | #ifdef VMS |
2551 | for (len = sizeof(ARCHNAME) + 2; | |
2552 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2553 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2554 | #endif | |
774d564b | 2555 | } |
2556 | } | |
2557 | ||
2558 | /* Break at all separators */ | |
2559 | while (p && *p) { | |
8c52afec | 2560 | SV *libdir = NEWSV(55,0); |
774d564b | 2561 | char *s; |
2562 | ||
2563 | /* skip any consecutive separators */ | |
2564 | while ( *p == PERLLIB_SEP ) { | |
2565 | /* Uncomment the next line for PATH semantics */ | |
2566 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2567 | p++; | |
2568 | } | |
2569 | ||
2570 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2571 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2572 | (STRLEN)(s - p)); | |
2573 | p = s + 1; | |
2574 | } | |
2575 | else { | |
2576 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2577 | p = Nullch; /* break out */ | |
2578 | } | |
2579 | ||
2580 | /* | |
2581 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2582 | * archname-specific sub-directories. | |
2583 | */ | |
2584 | if (addsubdirs) { | |
2585 | struct stat tmpstatbuf; | |
aa689395 | 2586 | #ifdef VMS |
2587 | char *unix; | |
2588 | STRLEN len; | |
774d564b | 2589 | |
aa689395 | 2590 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2591 | len = strlen(unix); | |
2592 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2593 | sv_usepvn(libdir,unix,len); | |
2594 | } | |
2595 | else | |
2596 | PerlIO_printf(PerlIO_stderr(), | |
2597 | "Failed to unixify @INC element \"%s\"\n", | |
2598 | SvPV(libdir,na)); | |
2599 | #endif | |
4fdae800 | 2600 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2601 | sv_setsv(subdir, libdir); |
2602 | sv_catpv(subdir, archpat_auto); | |
c6ed36e1 | 2603 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2604 | S_ISDIR(tmpstatbuf.st_mode)) |
2605 | av_push(GvAVn(incgv), | |
2606 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2607 | ||
4fdae800 | 2608 | /* .../archname if -d .../archname/auto */ |
774d564b | 2609 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2610 | strlen(patchlevel) + 1, "", 0); | |
c6ed36e1 | 2611 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2612 | S_ISDIR(tmpstatbuf.st_mode)) |
2613 | av_push(GvAVn(incgv), | |
2614 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2615 | } | |
2616 | ||
2617 | /* finally push this lib directory on the end of @INC */ | |
2618 | av_push(GvAVn(incgv), libdir); | |
2619 | } | |
2620 | ||
2621 | SvREFCNT_dec(subdir); | |
34de22dd | 2622 | } |
93a17b20 | 2623 | |
199100c8 | 2624 | #ifdef USE_THREADS |
52e1cb5e | 2625 | static struct perl_thread * |
199100c8 MB |
2626 | init_main_thread() |
2627 | { | |
52e1cb5e | 2628 | struct perl_thread *thr; |
199100c8 MB |
2629 | XPV *xpv; |
2630 | ||
52e1cb5e | 2631 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2632 | curcop = &compiling; |
2633 | thr->cvcache = newHV(); | |
54b9620d | 2634 | thr->threadsv = newAV(); |
940cb80d | 2635 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2636 | thr->specific = newAV(); |
38a03e6e | 2637 | thr->errhv = newHV(); |
199100c8 MB |
2638 | thr->flags = THRf_R_JOINABLE; |
2639 | MUTEX_INIT(&thr->mutex); | |
2640 | /* Handcraft thrsv similarly to mess_sv */ | |
2641 | New(53, thrsv, 1, SV); | |
2642 | Newz(53, xpv, 1, XPV); | |
2643 | SvFLAGS(thrsv) = SVt_PV; | |
2644 | SvANY(thrsv) = (void*)xpv; | |
2645 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2646 | SvPVX(thrsv) = (char*)thr; | |
2647 | SvCUR_set(thrsv, sizeof(thr)); | |
2648 | SvLEN_set(thrsv, sizeof(thr)); | |
2649 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2650 | thr->oursv = thrsv; | |
199100c8 MB |
2651 | chopset = " \n-"; |
2652 | ||
2653 | MUTEX_LOCK(&threads_mutex); | |
2654 | nthreads++; | |
2655 | thr->tid = 0; | |
2656 | thr->next = thr; | |
2657 | thr->prev = thr; | |
2658 | MUTEX_UNLOCK(&threads_mutex); | |
2659 | ||
4b026b9e GS |
2660 | #ifdef HAVE_THREAD_INTERN |
2661 | init_thread_intern(thr); | |
235db74f GS |
2662 | #endif |
2663 | ||
2664 | #ifdef SET_THREAD_SELF | |
2665 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2666 | #else |
2667 | thr->self = pthread_self(); | |
235db74f | 2668 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2669 | SET_THR(thr); |
2670 | ||
2671 | /* | |
2672 | * These must come after the SET_THR because sv_setpvn does | |
2673 | * SvTAINT and the taint fields require dTHR. | |
2674 | */ | |
2675 | toptarget = NEWSV(0,0); | |
2676 | sv_upgrade(toptarget, SVt_PVFM); | |
2677 | sv_setpvn(toptarget, "", 0); | |
2678 | bodytarget = NEWSV(0,0); | |
2679 | sv_upgrade(bodytarget, SVt_PVFM); | |
2680 | sv_setpvn(bodytarget, "", 0); | |
2681 | formtarget = bodytarget; | |
2faa37cc | 2682 | thr->errsv = newSVpv("", 0); |
78857c3c | 2683 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2684 | return thr; |
2685 | } | |
2686 | #endif /* USE_THREADS */ | |
2687 | ||
93a17b20 | 2688 | void |
8ac85365 | 2689 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2690 | { |
11343788 | 2691 | dTHR; |
a0d0e21e | 2692 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2693 | STRLEN len; |
2694 | dJMPENV; | |
2695 | int ret; | |
93a17b20 | 2696 | |
93965878 | 2697 | while (AvFILL(list) >= 0) { |
8990e307 | 2698 | CV *cv = (CV*)av_shift(list); |
93a17b20 | 2699 | |
8990e307 | 2700 | SAVEFREESV(cv); |
a0d0e21e | 2701 | |
22921e25 CS |
2702 | JMPENV_PUSH(ret); |
2703 | switch (ret) { | |
748a9306 | 2704 | case 0: { |
38a03e6e | 2705 | SV* atsv = ERRSV; |
748a9306 LW |
2706 | PUSHMARK(stack_sp); |
2707 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2708 | (void)SvPV(atsv, len); |
748a9306 | 2709 | if (len) { |
54310121 | 2710 | JMPENV_POP; |
748a9306 LW |
2711 | curcop = &compiling; |
2712 | curcop->cop_line = oldline; | |
2713 | if (list == beginav) | |
12f917ad | 2714 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2715 | else |
12f917ad | 2716 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2717 | while (scopestack_ix > oldscope) |
2718 | LEAVE; | |
12f917ad | 2719 | croak("%s", SvPVX(atsv)); |
748a9306 | 2720 | } |
a0d0e21e | 2721 | } |
85e6fe83 LW |
2722 | break; |
2723 | case 1: | |
f86702cc | 2724 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2725 | /* FALL THROUGH */ |
2726 | case 2: | |
2727 | /* my_exit() was called */ | |
2ae324a7 | 2728 | while (scopestack_ix > oldscope) |
2729 | LEAVE; | |
84902520 | 2730 | FREETMPS; |
85e6fe83 LW |
2731 | curstash = defstash; |
2732 | if (endav) | |
68dc0745 | 2733 | call_list(oldscope, endav); |
54310121 | 2734 | JMPENV_POP; |
a0d0e21e LW |
2735 | curcop = &compiling; |
2736 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2737 | if (statusvalue) { |
2738 | if (list == beginav) | |
a0d0e21e | 2739 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2740 | else |
a0d0e21e | 2741 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2742 | } |
f86702cc | 2743 | my_exit_jump(); |
85e6fe83 | 2744 | /* NOTREACHED */ |
85e6fe83 LW |
2745 | case 3: |
2746 | if (!restartop) { | |
760ac839 | 2747 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2748 | FREETMPS; |
85e6fe83 LW |
2749 | break; |
2750 | } | |
54310121 | 2751 | JMPENV_POP; |
a0d0e21e LW |
2752 | curcop = &compiling; |
2753 | curcop->cop_line = oldline; | |
54310121 | 2754 | JMPENV_JUMP(3); |
8990e307 | 2755 | } |
54310121 | 2756 | JMPENV_POP; |
93a17b20 | 2757 | } |
93a17b20 | 2758 | } |
93a17b20 | 2759 | |
f86702cc | 2760 | void |
8ac85365 | 2761 | my_exit(U32 status) |
f86702cc | 2762 | { |
5dc0d613 MB |
2763 | dTHR; |
2764 | ||
2765 | #ifdef USE_THREADS | |
a863c7d1 MB |
2766 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2767 | thr, (unsigned long) status)); | |
5dc0d613 | 2768 | #endif /* USE_THREADS */ |
f86702cc | 2769 | switch (status) { |
2770 | case 0: | |
2771 | STATUS_ALL_SUCCESS; | |
2772 | break; | |
2773 | case 1: | |
2774 | STATUS_ALL_FAILURE; | |
2775 | break; | |
2776 | default: | |
2777 | STATUS_NATIVE_SET(status); | |
2778 | break; | |
2779 | } | |
2780 | my_exit_jump(); | |
2781 | } | |
2782 | ||
2783 | void | |
8ac85365 | 2784 | my_failure_exit(void) |
f86702cc | 2785 | { |
2786 | #ifdef VMS | |
2787 | if (vaxc$errno & 1) { | |
4fdae800 | 2788 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2789 | STATUS_NATIVE_SET(44); | |
f86702cc | 2790 | } |
2791 | else { | |
ff0cee69 | 2792 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2793 | STATUS_NATIVE_SET(44); |
f86702cc | 2794 | else |
4fdae800 | 2795 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2796 | } |
2797 | #else | |
2798 | if (errno & 255) | |
2799 | STATUS_POSIX_SET(errno); | |
2800 | else if (STATUS_POSIX == 0) | |
2801 | STATUS_POSIX_SET(255); | |
2802 | #endif | |
2803 | my_exit_jump(); | |
93a17b20 LW |
2804 | } |
2805 | ||
f86702cc | 2806 | static void |
8ac85365 | 2807 | my_exit_jump(void) |
f86702cc | 2808 | { |
bac4b2ad | 2809 | dSP; |
c09156bb | 2810 | register PERL_CONTEXT *cx; |
f86702cc | 2811 | I32 gimme; |
2812 | SV **newsp; | |
2813 | ||
2814 | if (e_tmpname) { | |
2815 | if (e_fp) { | |
2816 | PerlIO_close(e_fp); | |
2817 | e_fp = Nullfp; | |
2818 | } | |
2819 | (void)UNLINK(e_tmpname); | |
2820 | Safefree(e_tmpname); | |
2821 | e_tmpname = Nullch; | |
2822 | } | |
2823 | ||
bac4b2ad | 2824 | POPSTACK_TO(mainstack); |
f86702cc | 2825 | if (cxstack_ix >= 0) { |
2826 | if (cxstack_ix > 0) | |
2827 | dounwind(0); | |
2828 | POPBLOCK(cx,curpm); | |
2829 | LEAVE; | |
2830 | } | |
ff0cee69 | 2831 | |
54310121 | 2832 | JMPENV_JUMP(2); |
f86702cc | 2833 | } |
4e35701f | 2834 | |
aeea060c | 2835 | |
22239a37 | 2836 |