Commit | Line | Data |
a0d0e21e |
1 | /* perl.c |
2 | * |
9607fc9c |
3 | * Copyright (c) 1987-1997 Larry Wall |
a687059c |
4 | * |
352d5a3a |
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 |
8 | */ |
9 | |
a0d0e21e |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo |
12 | */ |
45d8adaa |
13 | |
378cc40b |
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 |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> |
21 | #endif |
a0d0e21e |
22 | |
54310121 |
23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ |
25 | #endif |
26 | |
71be2cbc |
27 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 |
28 | |
a687059c |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID |
31 | #define DOSUID |
32 | #endif |
33 | #endif |
378cc40b |
34 | |
a687059c |
35 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
36 | #ifdef DOSUID |
37 | #undef DOSUID |
38 | #endif |
39 | #endif |
8d063cd8 |
40 | |
8ebc5c01 |
41 | #define I_REINIT \ |
42 | STMT_START { \ |
43 | chopset = " \n-"; \ |
44 | copline = NOLINE; \ |
45 | curcop = &compiling; \ |
46 | curcopdb = NULL; \ |
47 | cxstack_ix = -1; \ |
48 | cxstack_max = 128; \ |
49 | dbargs = 0; \ |
50 | dlmax = 128; \ |
51 | laststatval = -1; \ |
52 | laststype = OP_STAT; \ |
53 | maxscream = -1; \ |
54 | maxsysfd = MAXSYSFD; \ |
55 | statname = Nullsv; \ |
56 | tmps_floor = -1; \ |
57 | tmps_ix = -1; \ |
58 | op_mask = NULL; \ |
59 | dlmax = 128; \ |
60 | laststatval = -1; \ |
61 | laststype = OP_STAT; \ |
46fc3d4c |
62 | mess_sv = Nullsv; \ |
8ebc5c01 |
63 | } STMT_END |
64 | |
76e3520e |
65 | #ifndef PERL_OBJECT |
a0d0e21e |
66 | static void find_beginning _((void)); |
bbce6d69 |
67 | static void forbid_setid _((char *)); |
774d564b |
68 | static void incpush _((char *, int)); |
748a9306 |
69 | static void init_ids _((void)); |
a0d0e21e |
70 | static void init_debugger _((void)); |
71 | static void init_lexer _((void)); |
72 | static void init_main_stash _((void)); |
199100c8 |
73 | #ifdef USE_THREADS |
52e1cb5e |
74 | static struct perl_thread * init_main_thread _((void)); |
199100c8 |
75 | #endif /* USE_THREADS */ |
a0d0e21e |
76 | static void init_perllib _((void)); |
77 | static void init_postdump_symbols _((int, char **, char **)); |
78 | static void init_predump_symbols _((void)); |
f86702cc |
79 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df |
80 | static void nuke_stacks _((void)); |
a0d0e21e |
81 | static void open_script _((char *, bool, SV *)); |
ab821d7f |
82 | static void usage _((char *)); |
96436eeb |
83 | static void validate_suid _((char *, char*)); |
76e3520e |
84 | #endif |
96436eeb |
85 | |
86 | static int fdscript = -1; |
79072805 |
87 | |
77a005ab |
88 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
89 | #include <asm/sigcontext.h> |
76e3520e |
90 | STATIC void |
77a005ab |
91 | catch_sigsegv(int signo, struct sigcontext_struct sc) |
92 | { |
6ad3d225 |
93 | PerlProc_signal(SIGSEGV, SIG_DFL); |
77a005ab |
94 | fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n" |
95 | "return_address = 0x%lx, eip = 0x%lx\n", |
96 | sc.cr2, __builtin_return_address(0), sc.eip); |
97 | fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR); |
98 | } |
99 | #endif |
100 | |
76e3520e |
101 | #ifdef PERL_OBJECT |
102 | CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd, |
103 | IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP) |
104 | { |
105 | CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP); |
106 | if(pPerl != NULL) |
107 | pPerl->Init(); |
108 | |
109 | return pPerl; |
110 | } |
111 | #else |
93a17b20 |
112 | PerlInterpreter * |
8ac85365 |
113 | perl_alloc(void) |
79072805 |
114 | { |
93a17b20 |
115 | PerlInterpreter *sv_interp; |
79072805 |
116 | |
8990e307 |
117 | curinterp = 0; |
93a17b20 |
118 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 |
119 | return sv_interp; |
120 | } |
76e3520e |
121 | #endif |
79072805 |
122 | |
123 | void |
76e3520e |
124 | #ifdef PERL_OBJECT |
125 | CPerlObj::perl_construct(void) |
126 | #else |
8ac85365 |
127 | perl_construct(register PerlInterpreter *sv_interp) |
76e3520e |
128 | #endif |
79072805 |
129 | { |
a863c7d1 |
130 | #ifdef USE_THREADS |
131 | int i; |
132 | #ifndef FAKE_THREADS |
52e1cb5e |
133 | struct perl_thread *thr; |
a863c7d1 |
134 | #endif /* FAKE_THREADS */ |
135 | #endif /* USE_THREADS */ |
11343788 |
136 | |
76e3520e |
137 | #ifndef PERL_OBJECT |
79072805 |
138 | if (!(curinterp = sv_interp)) |
139 | return; |
76e3520e |
140 | #endif |
79072805 |
141 | |
8990e307 |
142 | #ifdef MULTIPLICITY |
93a17b20 |
143 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 |
144 | #endif |
79072805 |
145 | |
33f46ff6 |
146 | /* Init the real globals (and main thread)? */ |
c116a00c |
147 | if (!linestr) { |
11343788 |
148 | #ifdef USE_THREADS |
8023c3ce |
149 | |
33f46ff6 |
150 | INIT_THREADS; |
d55594ae |
151 | #ifdef ALLOC_THREAD_KEY |
152 | ALLOC_THREAD_KEY; |
153 | #else |
a863c7d1 |
154 | if (pthread_key_create(&thr_key, 0)) |
155 | croak("panic: pthread_key_create"); |
d55594ae |
156 | #endif |
c116a00c |
157 | MUTEX_INIT(&sv_mutex); |
a863c7d1 |
158 | /* |
159 | * Safe to use basic SV functions from now on (though |
160 | * not things like mortals or tainting yet). |
161 | */ |
c116a00c |
162 | MUTEX_INIT(&eval_mutex); |
163 | COND_INIT(&eval_cond); |
33f46ff6 |
164 | MUTEX_INIT(&threads_mutex); |
c116a00c |
165 | COND_INIT(&nthreads_cond); |
76e3520e |
166 | |
167 | #ifdef PERL_OBJECT |
168 | MUTEX_INIT(&sort_mutex); |
169 | #endif |
a863c7d1 |
170 | |
199100c8 |
171 | thr = init_main_thread(); |
11343788 |
172 | #endif /* USE_THREADS */ |
173 | |
79072805 |
174 | linestr = NEWSV(65,80); |
ed6116ce |
175 | sv_upgrade(linestr,SVt_PVIV); |
79072805 |
176 | |
6e72f9df |
177 | if (!SvREADONLY(&sv_undef)) { |
178 | SvREADONLY_on(&sv_undef); |
79072805 |
179 | |
6e72f9df |
180 | sv_setpv(&sv_no,No); |
181 | SvNV(&sv_no); |
182 | SvREADONLY_on(&sv_no); |
79072805 |
183 | |
6e72f9df |
184 | sv_setpv(&sv_yes,Yes); |
185 | SvNV(&sv_yes); |
186 | SvREADONLY_on(&sv_yes); |
187 | } |
79072805 |
188 | |
c07a80fd |
189 | nrs = newSVpv("\n", 1); |
190 | rs = SvREFCNT_inc(nrs); |
191 | |
76e3520e |
192 | #ifdef PERL_OBJECT |
193 | /* TODO: */ |
194 | /* sighandlerp = sighandler; */ |
195 | #else |
c23142e2 |
196 | sighandlerp = sighandler; |
76e3520e |
197 | #endif |
44a8e56a |
198 | pidstatus = newHV(); |
199 | |
79072805 |
200 | #ifdef MSDOS |
201 | /* |
202 | * There is no way we can refer to them from Perl so close them to save |
203 | * space. The other alternative would be to provide STDAUX and STDPRN |
204 | * filehandles. |
205 | */ |
206 | (void)fclose(stdaux); |
207 | (void)fclose(stdprn); |
208 | #endif |
209 | } |
210 | |
8990e307 |
211 | #ifdef MULTIPLICITY |
8ebc5c01 |
212 | I_REINIT; |
213 | perl_destruct_level = 1; |
214 | #else |
215 | if(perl_destruct_level > 0) |
216 | I_REINIT; |
79072805 |
217 | #endif |
218 | |
748a9306 |
219 | init_ids(); |
fb73857a |
220 | lex_state = LEX_NOTPARSING; |
a5f75d66 |
221 | |
54310121 |
222 | start_env.je_prev = NULL; |
223 | start_env.je_ret = -1; |
224 | start_env.je_mustcatch = TRUE; |
225 | top_env = &start_env; |
f86702cc |
226 | STATUS_ALL_SUCCESS; |
227 | |
36477c24 |
228 | SET_NUMERIC_STANDARD(); |
a5f75d66 |
229 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 |
230 | sprintf(patchlevel, "%7.5f", (double) 5 |
231 | + ((double) PATCHLEVEL / (double) 1000) |
232 | + ((double) SUBVERSION / (double) 100000)); |
a5f75d66 |
233 | #else |
e2666263 |
234 | sprintf(patchlevel, "%5.3f", (double) 5 + |
235 | ((double) PATCHLEVEL / (double) 1000)); |
a5f75d66 |
236 | #endif |
79072805 |
237 | |
ab821d7f |
238 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df |
239 | localpatches = local_patches; /* For possible -v */ |
ab821d7f |
240 | #endif |
241 | |
760ac839 |
242 | PerlIO_init(); /* Hook to IO system */ |
243 | |
79072805 |
244 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 |
245 | |
11343788 |
246 | init_stacks(ARGS); |
247 | DEBUG( { |
248 | New(51,debname,128,char); |
249 | New(52,debdelim,128,char); |
250 | } ) |
251 | |
8990e307 |
252 | ENTER; |
79072805 |
253 | } |
254 | |
255 | void |
76e3520e |
256 | #ifdef PERL_OBJECT |
257 | CPerlObj::perl_destruct(void) |
258 | #else |
8ac85365 |
259 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e |
260 | #endif |
79072805 |
261 | { |
11343788 |
262 | dTHR; |
748a9306 |
263 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 |
264 | I32 last_sv_count; |
a0d0e21e |
265 | HV *hv; |
1f2bfc8a |
266 | #ifdef USE_THREADS |
33f46ff6 |
267 | Thread t; |
1f2bfc8a |
268 | #endif /* USE_THREADS */ |
8990e307 |
269 | |
76e3520e |
270 | #ifndef PERL_OBJECT |
79072805 |
271 | if (!(curinterp = sv_interp)) |
272 | return; |
76e3520e |
273 | #endif |
748a9306 |
274 | |
11343788 |
275 | #ifdef USE_THREADS |
0f15f207 |
276 | #ifndef FAKE_THREADS |
8023c3ce |
277 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
278 | retry_cleanup: |
33f46ff6 |
279 | MUTEX_LOCK(&threads_mutex); |
280 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
281 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 |
282 | nthreads - 1)); |
283 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 |
284 | MUTEX_LOCK(&t->mutex); |
285 | switch (ThrSTATE(t)) { |
286 | AV *av; |
c7848ba1 |
287 | case THRf_ZOMBIE: |
288 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
289 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 |
290 | ThrSETSTATE(t, THRf_DEAD); |
291 | MUTEX_UNLOCK(&t->mutex); |
292 | nthreads--; |
8023c3ce |
293 | /* |
294 | * The SvREFCNT_dec below may take a long time (e.g. av |
295 | * may contain an object scalar whose destructor gets |
296 | * called) so we have to unlock threads_mutex and start |
297 | * all over again. |
298 | */ |
605e5515 |
299 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 |
300 | JOIN(t, &av); |
605e5515 |
301 | SvREFCNT_dec((SV*)av); |
c7848ba1 |
302 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
303 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce |
304 | goto retry_cleanup; |
c7848ba1 |
305 | case THRf_R_JOINABLE: |
306 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
307 | "perl_destruct: detaching thread %p\n", t)); |
308 | ThrSETSTATE(t, THRf_R_DETACHED); |
309 | /* |
310 | * We unlock threads_mutex and t->mutex in the opposite order |
311 | * from which we locked them just so that DETACH won't |
312 | * deadlock if it panics. It's only a breach of good style |
313 | * not a bug since they are unlocks not locks. |
314 | */ |
315 | MUTEX_UNLOCK(&threads_mutex); |
316 | DETACH(t); |
317 | MUTEX_UNLOCK(&t->mutex); |
8023c3ce |
318 | goto retry_cleanup; |
c7848ba1 |
319 | default: |
320 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
321 | "perl_destruct: ignoring %p (state %u)\n", |
322 | t, ThrSTATE(t))); |
323 | MUTEX_UNLOCK(&t->mutex); |
c7848ba1 |
324 | /* fall through and out */ |
33f46ff6 |
325 | } |
326 | } |
8023c3ce |
327 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
328 | |
329 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ |
11343788 |
330 | while (nthreads > 1) |
331 | { |
33f46ff6 |
332 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
333 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 |
334 | nthreads - 1)); |
335 | COND_WAIT(&nthreads_cond, &threads_mutex); |
11343788 |
336 | } |
337 | /* At this point, we're the last thread */ |
33f46ff6 |
338 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 |
339 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 |
340 | MUTEX_DESTROY(&threads_mutex); |
11343788 |
341 | COND_DESTROY(&nthreads_cond); |
0f15f207 |
342 | #endif /* !defined(FAKE_THREADS) */ |
11343788 |
343 | #endif /* USE_THREADS */ |
344 | |
748a9306 |
345 | destruct_level = perl_destruct_level; |
4633a7c4 |
346 | #ifdef DEBUGGING |
347 | { |
348 | char *s; |
76e3520e |
349 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc |
350 | int i = atoi(s); |
351 | if (destruct_level < i) |
352 | destruct_level = i; |
353 | } |
4633a7c4 |
354 | } |
355 | #endif |
356 | |
8990e307 |
357 | LEAVE; |
a0d0e21e |
358 | FREETMPS; |
359 | |
ff0cee69 |
360 | /* We must account for everything. */ |
361 | |
362 | /* Destroy the main CV and syntax tree */ |
6e72f9df |
363 | if (main_root) { |
364 | curpad = AvARRAY(comppad); |
365 | op_free(main_root); |
ff0cee69 |
366 | main_root = Nullop; |
a0d0e21e |
367 | } |
ff0cee69 |
368 | main_start = Nullop; |
369 | SvREFCNT_dec(main_cv); |
370 | main_cv = Nullcv; |
371 | |
a0d0e21e |
372 | if (sv_objcount) { |
373 | /* |
374 | * Try to destruct global references. We do this first so that the |
375 | * destructors and destructees still exist. Some sv's might remain. |
376 | * Non-referenced objects are on their own. |
377 | */ |
378 | |
379 | dirty = TRUE; |
380 | sv_clean_objs(); |
8990e307 |
381 | } |
382 | |
5cd24f17 |
383 | /* unhook hooks which will soon be, or use, destroyed data */ |
384 | SvREFCNT_dec(warnhook); |
385 | warnhook = Nullsv; |
386 | SvREFCNT_dec(diehook); |
387 | diehook = Nullsv; |
388 | SvREFCNT_dec(parsehook); |
389 | parsehook = Nullsv; |
390 | |
a0d0e21e |
391 | if (destruct_level == 0){ |
8990e307 |
392 | |
a0d0e21e |
393 | DEBUG_P(debprofdump()); |
394 | |
395 | /* The exit() function will do everything that needs doing. */ |
396 | return; |
397 | } |
5dd60ef7 |
398 | |
5f05dabc |
399 | /* loosen bonds of global variables */ |
400 | |
8ebc5c01 |
401 | if(rsfp) { |
402 | (void)PerlIO_close(rsfp); |
403 | rsfp = Nullfp; |
404 | } |
405 | |
406 | /* Filters for program text */ |
407 | SvREFCNT_dec(rsfp_filters); |
408 | rsfp_filters = Nullav; |
409 | |
410 | /* switches */ |
411 | preprocess = FALSE; |
412 | minus_n = FALSE; |
413 | minus_p = FALSE; |
414 | minus_l = FALSE; |
415 | minus_a = FALSE; |
416 | minus_F = FALSE; |
417 | doswitches = FALSE; |
418 | dowarn = FALSE; |
419 | doextract = FALSE; |
420 | sawampersand = FALSE; /* must save all match strings */ |
421 | sawstudy = FALSE; /* do fbm_instr on all strings */ |
422 | sawvec = FALSE; |
423 | unsafe = FALSE; |
424 | |
425 | Safefree(inplace); |
426 | inplace = Nullch; |
427 | |
428 | Safefree(e_tmpname); |
429 | e_tmpname = Nullch; |
430 | |
431 | if (e_fp) { |
432 | PerlIO_close(e_fp); |
433 | e_fp = Nullfp; |
434 | } |
435 | |
436 | /* magical thingies */ |
437 | |
438 | Safefree(ofs); /* $, */ |
439 | ofs = Nullch; |
5f05dabc |
440 | |
8ebc5c01 |
441 | Safefree(ors); /* $\ */ |
442 | ors = Nullch; |
443 | |
444 | SvREFCNT_dec(nrs); /* $\ helper */ |
5f05dabc |
445 | nrs = Nullsv; |
446 | |
8ebc5c01 |
447 | multiline = 0; /* $* */ |
5f05dabc |
448 | |
8ebc5c01 |
449 | SvREFCNT_dec(statname); |
5f05dabc |
450 | statname = Nullsv; |
451 | statgv = Nullgv; |
5f05dabc |
452 | |
8ebc5c01 |
453 | /* defgv, aka *_ should be taken care of elsewhere */ |
454 | |
8ebc5c01 |
455 | /* clean up after study() */ |
456 | SvREFCNT_dec(lastscream); |
457 | lastscream = Nullsv; |
458 | Safefree(screamfirst); |
459 | screamfirst = 0; |
460 | Safefree(screamnext); |
461 | screamnext = 0; |
462 | |
463 | /* startup and shutdown function lists */ |
464 | SvREFCNT_dec(beginav); |
465 | SvREFCNT_dec(endav); |
77a005ab |
466 | SvREFCNT_dec(initav); |
5618dfe8 |
467 | beginav = Nullav; |
5618dfe8 |
468 | endav = Nullav; |
77a005ab |
469 | initav = Nullav; |
5618dfe8 |
470 | |
8ebc5c01 |
471 | /* temp stack during pp_sort() */ |
472 | SvREFCNT_dec(sortstack); |
473 | sortstack = Nullav; |
474 | |
475 | /* shortcuts just get cleared */ |
476 | envgv = Nullgv; |
477 | siggv = Nullgv; |
478 | incgv = Nullgv; |
12f917ad |
479 | errgv = Nullgv; |
8ebc5c01 |
480 | argvgv = Nullgv; |
481 | argvoutgv = Nullgv; |
482 | stdingv = Nullgv; |
483 | last_in_gv = Nullgv; |
484 | |
485 | /* reset so print() ends up where we expect */ |
486 | setdefout(Nullgv); |
487 | |
a0d0e21e |
488 | /* Prepare to destruct main symbol table. */ |
5f05dabc |
489 | |
a0d0e21e |
490 | hv = defstash; |
85e6fe83 |
491 | defstash = 0; |
a0d0e21e |
492 | SvREFCNT_dec(hv); |
493 | |
494 | FREETMPS; |
495 | if (destruct_level >= 2) { |
496 | if (scopestack_ix != 0) |
ff0cee69 |
497 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
498 | (long)scopestack_ix); |
a0d0e21e |
499 | if (savestack_ix != 0) |
ff0cee69 |
500 | warn("Unbalanced saves: %ld more saves than restores\n", |
501 | (long)savestack_ix); |
a0d0e21e |
502 | if (tmps_floor != -1) |
ff0cee69 |
503 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
504 | (long)tmps_floor + 1); |
a0d0e21e |
505 | if (cxstack_ix != -1) |
ff0cee69 |
506 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
507 | (long)cxstack_ix + 1); |
a0d0e21e |
508 | } |
8990e307 |
509 | |
510 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
8990e307 |
511 | last_sv_count = 0; |
6e72f9df |
512 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 |
513 | while (sv_count != 0 && sv_count != last_sv_count) { |
514 | last_sv_count = sv_count; |
515 | sv_clean_all(); |
516 | } |
6e72f9df |
517 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
518 | SvFLAGS(strtab) |= SVt_PVHV; |
519 | |
520 | /* Destruct the global string table. */ |
521 | { |
522 | /* Yell and reset the HeVAL() slots that are still holding refcounts, |
523 | * so that sv_free() won't fail on them. |
524 | */ |
525 | I32 riter; |
526 | I32 max; |
527 | HE *hent; |
528 | HE **array; |
529 | |
530 | riter = 0; |
531 | max = HvMAX(strtab); |
532 | array = HvARRAY(strtab); |
533 | hent = array[0]; |
534 | for (;;) { |
535 | if (hent) { |
536 | warn("Unbalanced string table refcount: (%d) for \"%s\"", |
537 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
538 | HeVAL(hent) = Nullsv; |
539 | hent = HeNEXT(hent); |
540 | } |
541 | if (!hent) { |
542 | if (++riter > max) |
543 | break; |
544 | hent = array[riter]; |
545 | } |
546 | } |
547 | } |
548 | SvREFCNT_dec(strtab); |
549 | |
8990e307 |
550 | if (sv_count != 0) |
ff0cee69 |
551 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df |
552 | |
4633a7c4 |
553 | sv_free_arenas(); |
44a8e56a |
554 | |
555 | /* No SVs have survived, need to clean out */ |
556 | linestr = NULL; |
557 | pidstatus = Nullhv; |
6e72f9df |
558 | if (origfilename) |
559 | Safefree(origfilename); |
560 | nuke_stacks(); |
fc36a67e |
561 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e |
562 | |
563 | DEBUG_P(debprofdump()); |
76e3520e |
564 | #ifdef PERL_OBJECT |
565 | MUTEX_DESTROY(&sort_mutex); |
566 | #endif |
11343788 |
567 | #ifdef USE_THREADS |
568 | MUTEX_DESTROY(&sv_mutex); |
11343788 |
569 | MUTEX_DESTROY(&eval_mutex); |
c116a00c |
570 | COND_DESTROY(&eval_cond); |
fc36a67e |
571 | |
8023c3ce |
572 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
573 | Safefree(SvPVX(thrsv)); |
574 | Safefree(SvANY(thrsv)); |
575 | Safefree(thrsv); |
576 | thrsv = Nullsv; |
577 | #endif /* USE_THREADS */ |
578 | |
fc36a67e |
579 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
580 | |
581 | if (mess_sv) { |
582 | /* we know that type >= SVt_PV */ |
583 | SvOOK_off(mess_sv); |
584 | Safefree(SvPVX(mess_sv)); |
585 | Safefree(SvANY(mess_sv)); |
586 | Safefree(mess_sv); |
587 | mess_sv = Nullsv; |
588 | } |
79072805 |
589 | } |
590 | |
591 | void |
76e3520e |
592 | #ifdef PERL_OBJECT |
593 | CPerlObj::perl_free(void) |
594 | #else |
8ac85365 |
595 | perl_free(PerlInterpreter *sv_interp) |
76e3520e |
596 | #endif |
79072805 |
597 | { |
76e3520e |
598 | #ifdef PERL_OBJECT |
599 | #else |
79072805 |
600 | if (!(curinterp = sv_interp)) |
601 | return; |
602 | Safefree(sv_interp); |
76e3520e |
603 | #endif |
79072805 |
604 | } |
605 | |
606 | int |
76e3520e |
607 | #ifdef PERL_OBJECT |
608 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) |
609 | #else |
8ac85365 |
610 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e |
611 | #endif |
8d063cd8 |
612 | { |
11343788 |
613 | dTHR; |
79072805 |
614 | register SV *sv; |
8d063cd8 |
615 | register char *s; |
1a30305b |
616 | char *scriptname = NULL; |
a0d0e21e |
617 | VOL bool dosearch = FALSE; |
13281fa4 |
618 | char *validarg = ""; |
2ae324a7 |
619 | I32 oldscope; |
748a9306 |
620 | AV* comppadlist; |
54310121 |
621 | dJMPENV; |
22921e25 |
622 | int ret; |
8d063cd8 |
623 | |
a687059c |
624 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
625 | #ifdef IAMSUID |
626 | #undef IAMSUID |
463ee0b2 |
627 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c |
628 | setuid perl scripts securely.\n"); |
629 | #endif |
630 | #endif |
631 | |
76e3520e |
632 | #ifndef PERL_OBJECT |
79072805 |
633 | if (!(curinterp = sv_interp)) |
634 | return 255; |
76e3520e |
635 | #endif |
79072805 |
636 | |
6e72f9df |
637 | #if defined(NeXT) && defined(__DYNAMIC__) |
638 | _dyld_lookup_and_bind |
639 | ("__environ", (unsigned long *) &environ_pointer, NULL); |
640 | #endif /* environ */ |
641 | |
ac58e20f |
642 | origargv = argv; |
643 | origargc = argc; |
a0d0e21e |
644 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 |
645 | origenviron = environ; |
a0d0e21e |
646 | #endif |
ab821d7f |
647 | e_tmpname = Nullch; |
a0d0e21e |
648 | |
649 | if (do_undump) { |
650 | |
651 | /* Come here if running an undumped a.out. */ |
652 | |
653 | origfilename = savepv(argv[0]); |
654 | do_undump = FALSE; |
655 | cxstack_ix = -1; /* start label stack again */ |
748a9306 |
656 | init_ids(); |
a0d0e21e |
657 | init_postdump_symbols(argc,argv,env); |
658 | return 0; |
659 | } |
660 | |
ff0cee69 |
661 | if (main_root) { |
662 | curpad = AvARRAY(comppad); |
a0d0e21e |
663 | op_free(main_root); |
ff0cee69 |
664 | main_root = Nullop; |
665 | } |
666 | main_start = Nullop; |
667 | SvREFCNT_dec(main_cv); |
668 | main_cv = Nullcv; |
79072805 |
669 | |
f86702cc |
670 | time(&basetime); |
2ae324a7 |
671 | oldscope = scopestack_ix; |
f86702cc |
672 | |
22921e25 |
673 | JMPENV_PUSH(ret); |
674 | switch (ret) { |
79072805 |
675 | case 1: |
f86702cc |
676 | STATUS_ALL_FAILURE; |
677 | /* FALL THROUGH */ |
79072805 |
678 | case 2: |
f86702cc |
679 | /* my_exit() was called */ |
2ae324a7 |
680 | while (scopestack_ix > oldscope) |
681 | LEAVE; |
84902520 |
682 | FREETMPS; |
8990e307 |
683 | curstash = defstash; |
684 | if (endav) |
68dc0745 |
685 | call_list(oldscope, endav); |
54310121 |
686 | JMPENV_POP; |
f86702cc |
687 | return STATUS_NATIVE_EXPORT; |
79072805 |
688 | case 3: |
54310121 |
689 | JMPENV_POP; |
760ac839 |
690 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 |
691 | return 1; |
79072805 |
692 | } |
693 | |
79072805 |
694 | sv_setpvn(linestr,"",0); |
695 | sv = newSVpv("",0); /* first used for -I flags */ |
8990e307 |
696 | SAVEFREESV(sv); |
79072805 |
697 | init_main_stash(); |
54310121 |
698 | |
33b78306 |
699 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 |
700 | if (argv[0][0] != '-' || !argv[0][1]) |
701 | break; |
13281fa4 |
702 | #ifdef DOSUID |
703 | if (*validarg) |
704 | validarg = " PHOOEY "; |
705 | else |
706 | validarg = argv[0]; |
707 | #endif |
708 | s = argv[0]+1; |
8d063cd8 |
709 | reswitch: |
13281fa4 |
710 | switch (*s) { |
27e2fb84 |
711 | case '0': |
2304df62 |
712 | case 'F': |
378cc40b |
713 | case 'a': |
33b78306 |
714 | case 'c': |
a687059c |
715 | case 'd': |
8d063cd8 |
716 | case 'D': |
4633a7c4 |
717 | case 'h': |
33b78306 |
718 | case 'i': |
fe14fcc3 |
719 | case 'l': |
1a30305b |
720 | case 'M': |
721 | case 'm': |
33b78306 |
722 | case 'n': |
723 | case 'p': |
79072805 |
724 | case 's': |
33b78306 |
725 | case 'u': |
726 | case 'U': |
727 | case 'v': |
728 | case 'w': |
729 | if (s = moreswitches(s)) |
730 | goto reswitch; |
8d063cd8 |
731 | break; |
33b78306 |
732 | |
f86702cc |
733 | case 'T': |
734 | tainting = TRUE; |
735 | s++; |
736 | goto reswitch; |
737 | |
8d063cd8 |
738 | case 'e': |
a687059c |
739 | if (euid != uid || egid != gid) |
463ee0b2 |
740 | croak("No -e allowed in setuid scripts"); |
8d063cd8 |
741 | if (!e_fp) { |
a0d0e21e |
742 | e_tmpname = savepv(TMPPATH); |
6ad3d225 |
743 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 |
744 | if (!*e_tmpname) |
463ee0b2 |
745 | croak("Can't mktemp()"); |
760ac839 |
746 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 |
747 | if (!e_fp) |
463ee0b2 |
748 | croak("Cannot open temporary file"); |
8d063cd8 |
749 | } |
552a7a9b |
750 | if (*++s) |
751 | PerlIO_puts(e_fp,s); |
752 | else if (argv[1]) { |
760ac839 |
753 | PerlIO_puts(e_fp,argv[1]); |
33b78306 |
754 | argc--,argv++; |
755 | } |
552a7a9b |
756 | else |
757 | croak("No code specified for -e"); |
760ac839 |
758 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 |
759 | break; |
fb73857a |
760 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 |
761 | forbid_setid("-I"); |
fb73857a |
762 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 |
763 | argc--,argv++; |
8d063cd8 |
764 | } |
fb73857a |
765 | while (s && isSPACE(*s)) |
766 | ++s; |
767 | if (s && *s) { |
768 | char *e, *p; |
769 | for (e = s; *e && !isSPACE(*e); e++) ; |
770 | p = savepvn(s, e-s); |
771 | incpush(p, TRUE); |
772 | sv_catpv(sv,"-I"); |
773 | sv_catpv(sv,p); |
774 | sv_catpv(sv," "); |
775 | Safefree(p); |
776 | } /* XXX else croak? */ |
8d063cd8 |
777 | break; |
8d063cd8 |
778 | case 'P': |
bbce6d69 |
779 | forbid_setid("-P"); |
8d063cd8 |
780 | preprocess = TRUE; |
13281fa4 |
781 | s++; |
8d063cd8 |
782 | goto reswitch; |
378cc40b |
783 | case 'S': |
bbce6d69 |
784 | forbid_setid("-S"); |
378cc40b |
785 | dosearch = TRUE; |
13281fa4 |
786 | s++; |
378cc40b |
787 | goto reswitch; |
1a30305b |
788 | case 'V': |
789 | if (!preambleav) |
790 | preambleav = newAV(); |
791 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); |
792 | if (*++s != ':') { |
6e72f9df |
793 | Sv = newSVpv("print myconfig();",0); |
794 | #ifdef VMS |
795 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
796 | #else |
797 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
798 | #endif |
54310121 |
799 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c |
800 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df |
801 | # ifdef DEBUGGING |
46fc3d4c |
802 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df |
803 | # endif |
54310121 |
804 | # ifdef NO_EMBED |
46fc3d4c |
805 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df |
806 | # endif |
807 | # ifdef MULTIPLICITY |
46fc3d4c |
808 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df |
809 | # endif |
46fc3d4c |
810 | sv_catpv(Sv,"\\n\","); |
6e72f9df |
811 | #endif |
812 | #if defined(LOCAL_PATCH_COUNT) |
54310121 |
813 | if (LOCAL_PATCH_COUNT > 0) { |
814 | int i; |
5cd24f17 |
815 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df |
816 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c |
817 | if (localpatches[i]) |
818 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); |
6e72f9df |
819 | } |
820 | } |
821 | #endif |
46fc3d4c |
822 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df |
823 | #ifdef __DATE__ |
824 | # ifdef __TIME__ |
46fc3d4c |
825 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df |
826 | # else |
46fc3d4c |
827 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df |
828 | # endif |
6e72f9df |
829 | #endif |
54310121 |
830 | sv_catpv(Sv, "; \ |
831 | $\"=\"\\n \"; \ |
832 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ |
833 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
834 | print \" \\@INC:\\n @INC\\n\";"); |
1a30305b |
835 | } |
836 | else { |
837 | Sv = newSVpv("config_vars(qw(",0); |
838 | sv_catpv(Sv, ++s); |
839 | sv_catpv(Sv, "))"); |
840 | s += strlen(s); |
841 | } |
842 | av_push(preambleav, Sv); |
c07a80fd |
843 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b |
844 | goto reswitch; |
33b78306 |
845 | case 'x': |
846 | doextract = TRUE; |
13281fa4 |
847 | s++; |
33b78306 |
848 | if (*s) |
a0d0e21e |
849 | cddir = savepv(s); |
33b78306 |
850 | break; |
8d063cd8 |
851 | case 0: |
852 | break; |
fb73857a |
853 | case '-': |
854 | if (!*++s || isSPACE(*s)) { |
855 | argc--,argv++; |
856 | goto switch_end; |
857 | } |
858 | /* catch use of gnu style long options */ |
859 | if (strEQ(s, "version")) { |
860 | s = "v"; |
861 | goto reswitch; |
862 | } |
863 | if (strEQ(s, "help")) { |
864 | s = "h"; |
865 | goto reswitch; |
866 | } |
867 | s--; |
868 | /* FALL THROUGH */ |
8d063cd8 |
869 | default: |
90248788 |
870 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 |
871 | } |
872 | } |
873 | switch_end: |
54310121 |
874 | |
76e3520e |
875 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a |
876 | while (s && *s) { |
54310121 |
877 | while (isSPACE(*s)) |
878 | s++; |
879 | if (*s == '-') { |
880 | s++; |
881 | if (isSPACE(*s)) |
882 | continue; |
883 | } |
884 | if (!*s) |
885 | break; |
886 | if (!strchr("DIMUdmw", *s)) |
887 | croak("Illegal switch in PERL5OPT: -%c", *s); |
888 | s = moreswitches(s); |
889 | } |
890 | } |
891 | |
1a30305b |
892 | if (!scriptname) |
893 | scriptname = argv[0]; |
8d063cd8 |
894 | if (e_fp) { |
68dc0745 |
895 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
896 | #ifndef MULTIPLICITY |
897 | warn("Did you forget to compile with -DMULTIPLICITY?"); |
898 | #endif |
2304df62 |
899 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 |
900 | } |
ab821d7f |
901 | e_fp = Nullfp; |
8d063cd8 |
902 | argc++,argv--; |
45d8adaa |
903 | scriptname = e_tmpname; |
8d063cd8 |
904 | } |
79072805 |
905 | else if (scriptname == Nullch) { |
906 | #ifdef MSDOS |
6ad3d225 |
907 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff |
908 | moreswitches("h"); |
fe14fcc3 |
909 | #endif |
79072805 |
910 | scriptname = "-"; |
911 | } |
fe14fcc3 |
912 | |
79072805 |
913 | init_perllib(); |
8d063cd8 |
914 | |
79072805 |
915 | open_script(scriptname,dosearch,sv); |
8d063cd8 |
916 | |
96436eeb |
917 | validate_suid(validarg, scriptname); |
378cc40b |
918 | |
79072805 |
919 | if (doextract) |
920 | find_beginning(); |
921 | |
4fdae800 |
922 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 |
923 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c |
924 | CvUNIQUE_on(compcv); |
748a9306 |
925 | |
6e72f9df |
926 | comppad = newAV(); |
79072805 |
927 | av_push(comppad, Nullsv); |
928 | curpad = AvARRAY(comppad); |
6e72f9df |
929 | comppad_name = newAV(); |
8990e307 |
930 | comppad_name_fill = 0; |
e858de61 |
931 | min_intro_pending = 0; |
932 | padix = 0; |
11343788 |
933 | #ifdef USE_THREADS |
934 | av_store(comppad_name, 0, newSVpv("@_", 2)); |
e858de61 |
935 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 |
936 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 |
937 | CvOWNER(compcv) = 0; |
12ca11f6 |
938 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 |
939 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 |
940 | #endif /* USE_THREADS */ |
79072805 |
941 | |
748a9306 |
942 | comppadlist = newAV(); |
943 | AvREAL_off(comppadlist); |
8e07c86e |
944 | av_store(comppadlist, 0, (SV*)comppad_name); |
945 | av_store(comppadlist, 1, (SV*)comppad); |
748a9306 |
946 | CvPADLIST(compcv) = comppadlist; |
947 | |
6e72f9df |
948 | boot_core_UNIVERSAL(); |
a0d0e21e |
949 | if (xsinit) |
76e3520e |
950 | (*xsinit)(THIS); /* in case linked C routines want magical variables */ |
39e571d4 |
951 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 |
952 | init_os_extras(); |
953 | #endif |
93a17b20 |
954 | |
77a005ab |
955 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
6ad3d225 |
956 | DEBUG_L(PerlProc_signal(SIGSEGV, (void(*)(int))catch_sigsegv);); |
77a005ab |
957 | #endif |
958 | |
93a17b20 |
959 | init_predump_symbols(); |
8990e307 |
960 | if (!do_undump) |
961 | init_postdump_symbols(argc,argv,env); |
93a17b20 |
962 | |
79072805 |
963 | init_lexer(); |
964 | |
965 | /* now parse the script */ |
966 | |
61bb5906 |
967 | SETERRNO(0,SS$_NORMAL); |
79072805 |
968 | error_count = 0; |
969 | if (yyparse() || error_count) { |
970 | if (minus_c) |
463ee0b2 |
971 | croak("%s had compilation errors.\n", origfilename); |
79072805 |
972 | else { |
463ee0b2 |
973 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 |
974 | origfilename); |
378cc40b |
975 | } |
79072805 |
976 | } |
977 | curcop->cop_line = 0; |
978 | curstash = defstash; |
979 | preprocess = FALSE; |
ab821d7f |
980 | if (e_tmpname) { |
79072805 |
981 | (void)UNLINK(e_tmpname); |
ab821d7f |
982 | Safefree(e_tmpname); |
983 | e_tmpname = Nullch; |
378cc40b |
984 | } |
a687059c |
985 | |
93a17b20 |
986 | /* now that script is parsed, we can modify record separator */ |
c07a80fd |
987 | SvREFCNT_dec(rs); |
988 | rs = SvREFCNT_inc(nrs); |
a863c7d1 |
989 | #ifdef USE_THREADS |
54b9620d |
990 | sv_setsv(*av_fetch(thr->threadsv, find_threadsv("/"), FALSE), rs); |
a863c7d1 |
991 | #else |
c07a80fd |
992 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); |
a863c7d1 |
993 | #endif /* USE_THREADS */ |
79072805 |
994 | if (do_undump) |
995 | my_unexec(); |
996 | |
8990e307 |
997 | if (dowarn) |
998 | gv_check(defstash); |
999 | |
a0d0e21e |
1000 | LEAVE; |
1001 | FREETMPS; |
c07a80fd |
1002 | |
3562ef9b |
1003 | #ifdef MYMALLOC |
76e3520e |
1004 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd |
1005 | dump_mstats("after compilation:"); |
1006 | #endif |
1007 | |
a0d0e21e |
1008 | ENTER; |
1009 | restartop = 0; |
54310121 |
1010 | JMPENV_POP; |
79072805 |
1011 | return 0; |
1012 | } |
1013 | |
1014 | int |
76e3520e |
1015 | #ifdef PERL_OBJECT |
1016 | CPerlObj::perl_run(void) |
1017 | #else |
8ac85365 |
1018 | perl_run(PerlInterpreter *sv_interp) |
76e3520e |
1019 | #endif |
79072805 |
1020 | { |
11343788 |
1021 | dTHR; |
2ae324a7 |
1022 | I32 oldscope; |
22921e25 |
1023 | dJMPENV; |
1024 | int ret; |
2ae324a7 |
1025 | |
76e3520e |
1026 | #ifndef PERL_OBJECT |
79072805 |
1027 | if (!(curinterp = sv_interp)) |
1028 | return 255; |
76e3520e |
1029 | #endif |
2ae324a7 |
1030 | |
1031 | oldscope = scopestack_ix; |
1032 | |
22921e25 |
1033 | JMPENV_PUSH(ret); |
1034 | switch (ret) { |
79072805 |
1035 | case 1: |
1036 | cxstack_ix = -1; /* start context stack again */ |
1037 | break; |
1038 | case 2: |
f86702cc |
1039 | /* my_exit() was called */ |
2ae324a7 |
1040 | while (scopestack_ix > oldscope) |
1041 | LEAVE; |
84902520 |
1042 | FREETMPS; |
79072805 |
1043 | curstash = defstash; |
93a17b20 |
1044 | if (endav) |
68dc0745 |
1045 | call_list(oldscope, endav); |
3562ef9b |
1046 | #ifdef MYMALLOC |
76e3520e |
1047 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd |
1048 | dump_mstats("after execution: "); |
1049 | #endif |
54310121 |
1050 | JMPENV_POP; |
f86702cc |
1051 | return STATUS_NATIVE_EXPORT; |
79072805 |
1052 | case 3: |
1053 | if (!restartop) { |
760ac839 |
1054 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
1055 | FREETMPS; |
54310121 |
1056 | JMPENV_POP; |
8990e307 |
1057 | return 1; |
83025b21 |
1058 | } |
6e72f9df |
1059 | if (curstack != mainstack) { |
79072805 |
1060 | dSP; |
6e72f9df |
1061 | SWITCHSTACK(curstack, mainstack); |
79072805 |
1062 | } |
1063 | break; |
8d063cd8 |
1064 | } |
79072805 |
1065 | |
fb73857a |
1066 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df |
1067 | sawampersand ? "Enabling" : "Omitting")); |
1068 | |
79072805 |
1069 | if (!restartop) { |
1070 | DEBUG_x(dump_all()); |
760ac839 |
1071 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 |
1072 | #ifdef USE_THREADS |
5dc0d613 |
1073 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1074 | (unsigned long) thr)); |
11343788 |
1075 | #endif /* USE_THREADS */ |
79072805 |
1076 | |
1077 | if (minus_c) { |
760ac839 |
1078 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 |
1079 | my_exit(0); |
1080 | } |
84902520 |
1081 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e |
1082 | sv_setiv(DBsingle, 1); |
7d07dbc2 |
1083 | if (initav) |
1084 | call_list(oldscope, initav); |
45d8adaa |
1085 | } |
79072805 |
1086 | |
1087 | /* do it */ |
1088 | |
1089 | if (restartop) { |
1090 | op = restartop; |
1091 | restartop = 0; |
76e3520e |
1092 | CALLRUNOPS(); |
79072805 |
1093 | } |
1094 | else if (main_start) { |
4fdae800 |
1095 | CvDEPTH(main_cv) = 1; |
79072805 |
1096 | op = main_start; |
76e3520e |
1097 | CALLRUNOPS(); |
79072805 |
1098 | } |
79072805 |
1099 | |
1100 | my_exit(0); |
54310121 |
1101 | /* NOTREACHED */ |
a0d0e21e |
1102 | return 0; |
79072805 |
1103 | } |
1104 | |
a0d0e21e |
1105 | SV* |
8ac85365 |
1106 | perl_get_sv(char *name, I32 create) |
a0d0e21e |
1107 | { |
2faa37cc |
1108 | GV *gv; |
38a03e6e |
1109 | #ifdef USE_THREADS |
2faa37cc |
1110 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d |
1111 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc |
1112 | if (tmp != NOT_IN_PAD) { |
1113 | dTHR; |
54b9620d |
1114 | return *av_fetch(thr->threadsv, tmp, FALSE); |
2faa37cc |
1115 | } |
38a03e6e |
1116 | } |
1117 | #endif /* USE_THREADS */ |
2faa37cc |
1118 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e |
1119 | if (gv) |
1120 | return GvSV(gv); |
1121 | return Nullsv; |
1122 | } |
1123 | |
1124 | AV* |
8ac85365 |
1125 | perl_get_av(char *name, I32 create) |
a0d0e21e |
1126 | { |
1127 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); |
1128 | if (create) |
1129 | return GvAVn(gv); |
1130 | if (gv) |
1131 | return GvAV(gv); |
1132 | return Nullav; |
1133 | } |
1134 | |
1135 | HV* |
8ac85365 |
1136 | perl_get_hv(char *name, I32 create) |
a0d0e21e |
1137 | { |
1138 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1139 | if (create) |
1140 | return GvHVn(gv); |
1141 | if (gv) |
1142 | return GvHV(gv); |
1143 | return Nullhv; |
1144 | } |
1145 | |
1146 | CV* |
8ac85365 |
1147 | perl_get_cv(char *name, I32 create) |
a0d0e21e |
1148 | { |
1149 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); |
8ebc5c01 |
1150 | if (create && !GvCVu(gv)) |
774d564b |
1151 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e |
1152 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 |
1153 | Nullop, |
a0d0e21e |
1154 | Nullop); |
1155 | if (gv) |
8ebc5c01 |
1156 | return GvCVu(gv); |
a0d0e21e |
1157 | return Nullcv; |
1158 | } |
1159 | |
79072805 |
1160 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1161 | |
a0d0e21e |
1162 | I32 |
22239a37 |
1163 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 |
1164 | |
1165 | /* See G_* flags in cop.h */ |
1166 | /* null terminated arg list */ |
8990e307 |
1167 | { |
a0d0e21e |
1168 | dSP; |
8990e307 |
1169 | |
a0d0e21e |
1170 | PUSHMARK(sp); |
1171 | if (argv) { |
8990e307 |
1172 | while (*argv) { |
a0d0e21e |
1173 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 |
1174 | argv++; |
1175 | } |
a0d0e21e |
1176 | PUTBACK; |
8990e307 |
1177 | } |
22239a37 |
1178 | return perl_call_pv(sub_name, flags); |
8990e307 |
1179 | } |
1180 | |
a0d0e21e |
1181 | I32 |
22239a37 |
1182 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 |
1183 | /* name of the subroutine */ |
1184 | /* See G_* flags in cop.h */ |
a0d0e21e |
1185 | { |
22239a37 |
1186 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e |
1187 | } |
1188 | |
1189 | I32 |
8ac85365 |
1190 | perl_call_method(char *methname, I32 flags) |
1191 | /* name of the subroutine */ |
1192 | /* See G_* flags in cop.h */ |
a0d0e21e |
1193 | { |
1194 | dSP; |
1195 | OP myop; |
1196 | if (!op) |
1197 | op = &myop; |
1198 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1199 | PUTBACK; |
11343788 |
1200 | pp_method(ARGS); |
a0d0e21e |
1201 | return perl_call_sv(*stack_sp--, flags); |
1202 | } |
1203 | |
1204 | /* May be called with any of a CV, a GV, or an SV containing the name. */ |
1205 | I32 |
8ac85365 |
1206 | perl_call_sv(SV *sv, I32 flags) |
1207 | |
1208 | /* See G_* flags in cop.h */ |
a0d0e21e |
1209 | { |
11343788 |
1210 | dTHR; |
a0d0e21e |
1211 | LOGOP myop; /* fake syntax tree node */ |
1212 | SV** sp = stack_sp; |
aa689395 |
1213 | I32 oldmark; |
a0d0e21e |
1214 | I32 retval; |
a0d0e21e |
1215 | I32 oldscope; |
6e72f9df |
1216 | static CV *DBcv; |
54310121 |
1217 | bool oldcatch = CATCH_GET; |
1218 | dJMPENV; |
22921e25 |
1219 | int ret; |
d6602a8c |
1220 | OP* oldop = op; |
1e422769 |
1221 | |
a0d0e21e |
1222 | if (flags & G_DISCARD) { |
1223 | ENTER; |
1224 | SAVETMPS; |
1225 | } |
1226 | |
aa689395 |
1227 | Zero(&myop, 1, LOGOP); |
54310121 |
1228 | myop.op_next = Nullop; |
f51d4af5 |
1229 | if (!(flags & G_NOARGS)) |
aa689395 |
1230 | myop.op_flags |= OPf_STACKED; |
54310121 |
1231 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1232 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1233 | OPf_WANT_SCALAR); |
462e5cf6 |
1234 | SAVEOP(); |
a0d0e21e |
1235 | op = (OP*)&myop; |
aa689395 |
1236 | |
a0d0e21e |
1237 | EXTEND(stack_sp, 1); |
1238 | *++stack_sp = sv; |
aa689395 |
1239 | oldmark = TOPMARK; |
a0d0e21e |
1240 | oldscope = scopestack_ix; |
1241 | |
84902520 |
1242 | if (PERLDB_SUB && curstash != debstash |
36477c24 |
1243 | /* Handle first BEGIN of -d. */ |
1244 | && (DBcv || (DBcv = GvCV(DBsub))) |
1245 | /* Try harder, since this may have been a sighandler, thus |
1246 | * curstash may be meaningless. */ |
1247 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) |
6e72f9df |
1248 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e |
1249 | |
1250 | if (flags & G_EVAL) { |
a0d0e21e |
1251 | cLOGOP->op_other = op; |
1252 | markstack_ptr--; |
4633a7c4 |
1253 | /* we're trying to emulate pp_entertry() here */ |
1254 | { |
c09156bb |
1255 | register PERL_CONTEXT *cx; |
54310121 |
1256 | I32 gimme = GIMME_V; |
4633a7c4 |
1257 | |
1258 | ENTER; |
1259 | SAVETMPS; |
1260 | |
1261 | push_return(op->op_next); |
1262 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); |
1263 | PUSHEVAL(cx, 0, 0); |
1264 | eval_root = op; /* Only needed so that goto works right. */ |
1265 | |
1266 | in_eval = 1; |
1267 | if (flags & G_KEEPERR) |
1268 | in_eval |= 4; |
1269 | else |
38a03e6e |
1270 | sv_setpv(ERRSV,""); |
4633a7c4 |
1271 | } |
a0d0e21e |
1272 | markstack_ptr++; |
1273 | |
22921e25 |
1274 | JMPENV_PUSH(ret); |
1275 | switch (ret) { |
a0d0e21e |
1276 | case 0: |
1277 | break; |
1278 | case 1: |
f86702cc |
1279 | STATUS_ALL_FAILURE; |
a0d0e21e |
1280 | /* FALL THROUGH */ |
1281 | case 2: |
1282 | /* my_exit() was called */ |
1283 | curstash = defstash; |
1284 | FREETMPS; |
54310121 |
1285 | JMPENV_POP; |
a0d0e21e |
1286 | if (statusvalue) |
1287 | croak("Callback called exit"); |
f86702cc |
1288 | my_exit_jump(); |
a0d0e21e |
1289 | /* NOTREACHED */ |
1290 | case 3: |
1291 | if (restartop) { |
1292 | op = restartop; |
1293 | restartop = 0; |
54310121 |
1294 | break; |
a0d0e21e |
1295 | } |
1296 | stack_sp = stack_base + oldmark; |
1297 | if (flags & G_ARRAY) |
1298 | retval = 0; |
1299 | else { |
1300 | retval = 1; |
1301 | *++stack_sp = &sv_undef; |
1302 | } |
1303 | goto cleanup; |
1304 | } |
1305 | } |
1e422769 |
1306 | else |
54310121 |
1307 | CATCH_SET(TRUE); |
a0d0e21e |
1308 | |
1309 | if (op == (OP*)&myop) |
11343788 |
1310 | op = pp_entersub(ARGS); |
a0d0e21e |
1311 | if (op) |
76e3520e |
1312 | CALLRUNOPS(); |
a0d0e21e |
1313 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 |
1314 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e |
1315 | sv_setpv(ERRSV,""); |
a0d0e21e |
1316 | |
1317 | cleanup: |
1318 | if (flags & G_EVAL) { |
1319 | if (scopestack_ix > oldscope) { |
a0a2876f |
1320 | SV **newsp; |
1321 | PMOP *newpm; |
1322 | I32 gimme; |
c09156bb |
1323 | register PERL_CONTEXT *cx; |
a0a2876f |
1324 | I32 optype; |
1325 | |
1326 | POPBLOCK(cx,newpm); |
1327 | POPEVAL(cx); |
1328 | pop_return(); |
1329 | curpm = newpm; |
1330 | LEAVE; |
a0d0e21e |
1331 | } |
54310121 |
1332 | JMPENV_POP; |
a0d0e21e |
1333 | } |
1e422769 |
1334 | else |
54310121 |
1335 | CATCH_SET(oldcatch); |
1e422769 |
1336 | |
a0d0e21e |
1337 | if (flags & G_DISCARD) { |
1338 | stack_sp = stack_base + oldmark; |
1339 | retval = 0; |
1340 | FREETMPS; |
1341 | LEAVE; |
1342 | } |
d6602a8c |
1343 | op = oldop; |
a0d0e21e |
1344 | return retval; |
1345 | } |
1346 | |
6e72f9df |
1347 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 |
1348 | |
a0d0e21e |
1349 | I32 |
8ac85365 |
1350 | perl_eval_sv(SV *sv, I32 flags) |
1351 | |
1352 | /* See G_* flags in cop.h */ |
a0d0e21e |
1353 | { |
11343788 |
1354 | dTHR; |
a0d0e21e |
1355 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 |
1356 | SV** sp = stack_sp; |
1357 | I32 oldmark = sp - stack_base; |
1358 | I32 retval; |
4633a7c4 |
1359 | I32 oldscope; |
54310121 |
1360 | dJMPENV; |
22921e25 |
1361 | int ret; |
84902520 |
1362 | OP* oldop = op; |
1363 | |
4633a7c4 |
1364 | if (flags & G_DISCARD) { |
1365 | ENTER; |
1366 | SAVETMPS; |
1367 | } |
1368 | |
462e5cf6 |
1369 | SAVEOP(); |
79072805 |
1370 | op = (OP*)&myop; |
a0d0e21e |
1371 | Zero(op, 1, UNOP); |
4633a7c4 |
1372 | EXTEND(stack_sp, 1); |
1373 | *++stack_sp = sv; |
1374 | oldscope = scopestack_ix; |
79072805 |
1375 | |
4633a7c4 |
1376 | if (!(flags & G_NOARGS)) |
1377 | myop.op_flags = OPf_STACKED; |
79072805 |
1378 | myop.op_next = Nullop; |
6e72f9df |
1379 | myop.op_type = OP_ENTEREVAL; |
54310121 |
1380 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1381 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1382 | OPf_WANT_SCALAR); |
6e72f9df |
1383 | if (flags & G_KEEPERR) |
1384 | myop.op_flags |= OPf_SPECIAL; |
4633a7c4 |
1385 | |
22921e25 |
1386 | JMPENV_PUSH(ret); |
1387 | switch (ret) { |
4633a7c4 |
1388 | case 0: |
1389 | break; |
1390 | case 1: |
f86702cc |
1391 | STATUS_ALL_FAILURE; |
4633a7c4 |
1392 | /* FALL THROUGH */ |
1393 | case 2: |
1394 | /* my_exit() was called */ |
1395 | curstash = defstash; |
1396 | FREETMPS; |
54310121 |
1397 | JMPENV_POP; |
4633a7c4 |
1398 | if (statusvalue) |
1399 | croak("Callback called exit"); |
f86702cc |
1400 | my_exit_jump(); |
4633a7c4 |
1401 | /* NOTREACHED */ |
1402 | case 3: |
1403 | if (restartop) { |
1404 | op = restartop; |
1405 | restartop = 0; |
54310121 |
1406 | break; |
4633a7c4 |
1407 | } |
1408 | stack_sp = stack_base + oldmark; |
1409 | if (flags & G_ARRAY) |
1410 | retval = 0; |
1411 | else { |
1412 | retval = 1; |
1413 | *++stack_sp = &sv_undef; |
1414 | } |
1415 | goto cleanup; |
1416 | } |
1417 | |
1418 | if (op == (OP*)&myop) |
11343788 |
1419 | op = pp_entereval(ARGS); |
4633a7c4 |
1420 | if (op) |
76e3520e |
1421 | CALLRUNOPS(); |
4633a7c4 |
1422 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df |
1423 | if (!(flags & G_KEEPERR)) |
38a03e6e |
1424 | sv_setpv(ERRSV,""); |
4633a7c4 |
1425 | |
1426 | cleanup: |
54310121 |
1427 | JMPENV_POP; |
4633a7c4 |
1428 | if (flags & G_DISCARD) { |
1429 | stack_sp = stack_base + oldmark; |
1430 | retval = 0; |
1431 | FREETMPS; |
1432 | LEAVE; |
1433 | } |
84902520 |
1434 | op = oldop; |
4633a7c4 |
1435 | return retval; |
1436 | } |
1437 | |
137443ea |
1438 | SV* |
8ac85365 |
1439 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea |
1440 | { |
1441 | dSP; |
1442 | SV* sv = newSVpv(p, 0); |
1443 | |
1444 | PUSHMARK(sp); |
1445 | perl_eval_sv(sv, G_SCALAR); |
1446 | SvREFCNT_dec(sv); |
1447 | |
1448 | SPAGAIN; |
1449 | sv = POPs; |
1450 | PUTBACK; |
1451 | |
38a03e6e |
1452 | if (croak_on_error && SvTRUE(ERRSV)) |
1453 | croak(SvPVx(ERRSV, na)); |
137443ea |
1454 | |
1455 | return sv; |
1456 | } |
1457 | |
4633a7c4 |
1458 | /* Require a module. */ |
1459 | |
1460 | void |
8ac85365 |
1461 | perl_require_pv(char *pv) |
4633a7c4 |
1462 | { |
1463 | SV* sv = sv_newmortal(); |
1464 | sv_setpv(sv, "require '"); |
1465 | sv_catpv(sv, pv); |
1466 | sv_catpv(sv, "'"); |
1467 | perl_eval_sv(sv, G_DISCARD); |
79072805 |
1468 | } |
1469 | |
79072805 |
1470 | void |
8ac85365 |
1471 | magicname(char *sym, char *name, I32 namlen) |
79072805 |
1472 | { |
1473 | register GV *gv; |
1474 | |
85e6fe83 |
1475 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 |
1476 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1477 | } |
1478 | |
76e3520e |
1479 | STATIC void |
8ac85365 |
1480 | usage(char *name) /* XXX move this out into a module ? */ |
1481 | |
4633a7c4 |
1482 | { |
ab821d7f |
1483 | /* This message really ought to be max 23 lines. |
1484 | * Removed -h because the user already knows that opton. Others? */ |
fb73857a |
1485 | |
76e3520e |
1486 | static char *usage_msg[] = { |
fb73857a |
1487 | "-0[octal] specify record separator (\\0, if no argument)", |
1488 | "-a autosplit mode with -n or -p (splits $_ into @F)", |
1489 | "-c check syntax only (runs BEGIN and END blocks)", |
1490 | "-d[:debugger] run scripts under debugger", |
1491 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", |
1492 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", |
1493 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", |
1494 | "-i[extension] edit <> files in place (make backup if extension supplied)", |
1495 | "-Idirectory specify @INC/#include directory (may be used more than once)", |
1496 | "-l[octal] enable line ending processing, specifies line terminator", |
1497 | "-[mM][-]module.. executes `use/no module...' before executing your script.", |
1498 | "-n assume 'while (<>) { ... }' loop around your script", |
1499 | "-p assume loop like -n but print line also like sed", |
1500 | "-P run script through C preprocessor before compilation", |
1501 | "-s enable some switch parsing for switches after script name", |
1502 | "-S look for the script using PATH environment variable", |
1503 | "-T turn on tainting checks", |
1504 | "-u dump core after parsing script", |
1505 | "-U allow unsafe operations", |
1506 | "-v print version number and patchlevel of perl", |
1507 | "-V[:variable] print perl configuration information", |
1508 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", |
1509 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
1510 | "\n", |
1511 | NULL |
1512 | }; |
76e3520e |
1513 | char **p = usage_msg; |
fb73857a |
1514 | |
ab821d7f |
1515 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a |
1516 | while (*p) |
1517 | printf("\n %s", *p++); |
4633a7c4 |
1518 | } |
1519 | |
79072805 |
1520 | /* This routine handles any switches that can be given during run */ |
1521 | |
1522 | char * |
8ac85365 |
1523 | moreswitches(char *s) |
79072805 |
1524 | { |
1525 | I32 numlen; |
c07a80fd |
1526 | U32 rschar; |
79072805 |
1527 | |
1528 | switch (*s) { |
1529 | case '0': |
a863c7d1 |
1530 | { |
1531 | dTHR; |
c07a80fd |
1532 | rschar = scan_oct(s, 4, &numlen); |
1533 | SvREFCNT_dec(nrs); |
1534 | if (rschar & ~((U8)~0)) |
1535 | nrs = &sv_undef; |
1536 | else if (!rschar && numlen >= 2) |
1537 | nrs = newSVpv("", 0); |
1538 | else { |
1539 | char ch = rschar; |
1540 | nrs = newSVpv(&ch, 1); |
79072805 |
1541 | } |
1542 | return s + numlen; |
a863c7d1 |
1543 | } |
2304df62 |
1544 | case 'F': |
1545 | minus_F = TRUE; |
a0d0e21e |
1546 | splitstr = savepv(s + 1); |
2304df62 |
1547 | s += strlen(s); |
1548 | return s; |
79072805 |
1549 | case 'a': |
1550 | minus_a = TRUE; |
1551 | s++; |
1552 | return s; |
1553 | case 'c': |
1554 | minus_c = TRUE; |
1555 | s++; |
1556 | return s; |
1557 | case 'd': |
bbce6d69 |
1558 | forbid_setid("-d"); |
4633a7c4 |
1559 | s++; |
c07a80fd |
1560 | if (*s == ':' || *s == '=') { |
46fc3d4c |
1561 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 |
1562 | s += strlen(s); |
4633a7c4 |
1563 | } |
a0d0e21e |
1564 | if (!perldb) { |
84902520 |
1565 | perldb = PERLDB_ALL; |
a0d0e21e |
1566 | init_debugger(); |
1567 | } |
79072805 |
1568 | return s; |
1569 | case 'D': |
1570 | #ifdef DEBUGGING |
bbce6d69 |
1571 | forbid_setid("-D"); |
79072805 |
1572 | if (isALPHA(s[1])) { |
8990e307 |
1573 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 |
1574 | char *d; |
1575 | |
93a17b20 |
1576 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 |
1577 | debug |= 1 << (d - debopts); |
1578 | } |
1579 | else { |
1580 | debug = atoi(s+1); |
1581 | for (s++; isDIGIT(*s); s++) ; |
1582 | } |
8990e307 |
1583 | debug |= 0x80000000; |
79072805 |
1584 | #else |
1585 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e |
1586 | for (s++; isALNUM(*s); s++) ; |
79072805 |
1587 | #endif |
1588 | /*SUPPRESS 530*/ |
1589 | return s; |
4633a7c4 |
1590 | case 'h': |
1591 | usage(origargv[0]); |
6ad3d225 |
1592 | PerlProc_exit(0); |
79072805 |
1593 | case 'i': |
1594 | if (inplace) |
1595 | Safefree(inplace); |
a0d0e21e |
1596 | inplace = savepv(s+1); |
79072805 |
1597 | /*SUPPRESS 530*/ |
1598 | for (s = inplace; *s && !isSPACE(*s); s++) ; |
fb73857a |
1599 | if (*s) |
1600 | *s++ = '\0'; |
1601 | return s; |
1602 | case 'I': /* -I handled both here and in parse_perl() */ |
bbce6d69 |
1603 | forbid_setid("-I"); |
fb73857a |
1604 | ++s; |
1605 | while (*s && isSPACE(*s)) |
1606 | ++s; |
1607 | if (*s) { |
774d564b |
1608 | char *e, *p; |
748a9306 |
1609 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b |
1610 | p = savepvn(s, e-s); |
1611 | incpush(p, TRUE); |
1612 | Safefree(p); |
fb73857a |
1613 | s = e; |
79072805 |
1614 | } |
1615 | else |
463ee0b2 |
1616 | croak("No space allowed after -I"); |
fb73857a |
1617 | return s; |
79072805 |
1618 | case 'l': |
1619 | minus_l = TRUE; |
1620 | s++; |
a0d0e21e |
1621 | if (ors) |
1622 | Safefree(ors); |
79072805 |
1623 | if (isDIGIT(*s)) { |
a0d0e21e |
1624 | ors = savepv("\n"); |
79072805 |
1625 | orslen = 1; |
1626 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); |
1627 | s += numlen; |
1628 | } |
1629 | else { |
a863c7d1 |
1630 | dTHR; |
c07a80fd |
1631 | if (RsPARA(nrs)) { |
6e72f9df |
1632 | ors = "\n\n"; |
c07a80fd |
1633 | orslen = 2; |
1634 | } |
1635 | else |
1636 | ors = SvPV(nrs, orslen); |
6e72f9df |
1637 | ors = savepvn(ors, orslen); |
79072805 |
1638 | } |
1639 | return s; |
1a30305b |
1640 | case 'M': |
bbce6d69 |
1641 | forbid_setid("-M"); /* XXX ? */ |
1a30305b |
1642 | /* FALL THROUGH */ |
1643 | case 'm': |
bbce6d69 |
1644 | forbid_setid("-m"); /* XXX ? */ |
1a30305b |
1645 | if (*++s) { |
a5f75d66 |
1646 | char *start; |
11343788 |
1647 | SV *sv; |
a5f75d66 |
1648 | char *use = "use "; |
1649 | /* -M-foo == 'no foo' */ |
1650 | if (*s == '-') { use = "no "; ++s; } |
11343788 |
1651 | sv = newSVpv(use,0); |
a5f75d66 |
1652 | start = s; |
1a30305b |
1653 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd |
1654 | while(isALNUM(*s) || *s==':') ++s; |
1655 | if (*s != '=') { |
11343788 |
1656 | sv_catpv(sv, start); |
c07a80fd |
1657 | if (*(start-1) == 'm') { |
1658 | if (*s != '\0') |
1659 | croak("Can't use '%c' after -mname", *s); |
11343788 |
1660 | sv_catpv( sv, " ()"); |
c07a80fd |
1661 | } |
1662 | } else { |
11343788 |
1663 | sv_catpvn(sv, start, s-start); |
1664 | sv_catpv(sv, " split(/,/,q{"); |
1665 | sv_catpv(sv, ++s); |
1666 | sv_catpv(sv, "})"); |
c07a80fd |
1667 | } |
1a30305b |
1668 | s += strlen(s); |
c07a80fd |
1669 | if (preambleav == NULL) |
1670 | preambleav = newAV(); |
11343788 |
1671 | av_push(preambleav, sv); |
1a30305b |
1672 | } |
1673 | else |
1674 | croak("No space allowed after -%c", *(s-1)); |
1675 | return s; |
79072805 |
1676 | case 'n': |
1677 | minus_n = TRUE; |
1678 | s++; |
1679 | return s; |
1680 | case 'p': |
1681 | minus_p = TRUE; |
1682 | s++; |
1683 | return s; |
1684 | case 's': |
bbce6d69 |
1685 | forbid_setid("-s"); |
79072805 |
1686 | doswitches = TRUE; |
1687 | s++; |
1688 | return s; |
463ee0b2 |
1689 | case 'T': |
f86702cc |
1690 | if (!tainting) |
9607fc9c |
1691 | croak("Too late for \"-T\" option"); |
463ee0b2 |
1692 | s++; |
1693 | return s; |
79072805 |
1694 | case 'u': |
1695 | do_undump = TRUE; |
1696 | s++; |
1697 | return s; |
1698 | case 'U': |
1699 | unsafe = TRUE; |
1700 | s++; |
1701 | return s; |
1702 | case 'v': |
a5f75d66 |
1703 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a |
1704 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1705 | PATCHLEVEL, SUBVERSION, ARCHNAME); |
a5f75d66 |
1706 | #else |
fb73857a |
1707 | printf("\nThis is perl, version %s built for %s", |
1708 | patchlevel, ARCHNAME); |
1709 | #endif |
1710 | #if defined(LOCAL_PATCH_COUNT) |
1711 | if (LOCAL_PATCH_COUNT > 0) |
1712 | printf("\n(with %d registered patch%s, see perl -V for more detail)", |
1713 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 |
1714 | #endif |
1a30305b |
1715 | |
44a8e56a |
1716 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 |
1717 | #ifdef MSDOS |
fb73857a |
1718 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff |
1719 | #endif |
1720 | #ifdef DJGPP |
1721 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); |
39e571d4 |
1722 | printf("djgpp v2 port (perl5004) by Laszlo Molnar, 1997\n"); |
4633a7c4 |
1723 | #endif |
79072805 |
1724 | #ifdef OS2 |
5dd60ef7 |
1725 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c |
1726 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 |
1727 | #endif |
79072805 |
1728 | #ifdef atarist |
760ac839 |
1729 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 |
1730 | #endif |
760ac839 |
1731 | printf("\n\ |
79072805 |
1732 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 |
1733 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
6ad3d225 |
1734 | PerlProc_exit(0); |
79072805 |
1735 | case 'w': |
1736 | dowarn = TRUE; |
1737 | s++; |
1738 | return s; |
a0d0e21e |
1739 | case '*': |
79072805 |
1740 | case ' ': |
1741 | if (s[1] == '-') /* Additional switches on #! line. */ |
1742 | return s+2; |
1743 | break; |
a0d0e21e |
1744 | case '-': |
79072805 |
1745 | case 0: |
a868473f |
1746 | #ifdef WIN32 |
1747 | case '\r': |
1748 | #endif |
79072805 |
1749 | case '\n': |
1750 | case '\t': |
1751 | break; |
aa689395 |
1752 | #ifdef ALTERNATE_SHEBANG |
1753 | case 'S': /* OS/2 needs -S on "extproc" line. */ |
1754 | break; |
1755 | #endif |
a0d0e21e |
1756 | case 'P': |
1757 | if (preprocess) |
1758 | return s+1; |
1759 | /* FALL THROUGH */ |
79072805 |
1760 | default: |
a0d0e21e |
1761 | croak("Can't emulate -%.1s on #! line",s); |
79072805 |
1762 | } |
1763 | return Nullch; |
1764 | } |
1765 | |
1766 | /* compliments of Tom Christiansen */ |
1767 | |
1768 | /* unexec() can be found in the Gnu emacs distribution */ |
1769 | |
1770 | void |
8ac85365 |
1771 | my_unexec(void) |
79072805 |
1772 | { |
1773 | #ifdef UNEXEC |
46fc3d4c |
1774 | SV* prog; |
1775 | SV* file; |
79072805 |
1776 | int status; |
1777 | extern int etext; |
1778 | |
46fc3d4c |
1779 | prog = newSVpv(BIN_EXP); |
1780 | sv_catpv(prog, "/perl"); |
1781 | file = newSVpv(origfilename); |
1782 | sv_catpv(file, ".perldump"); |
79072805 |
1783 | |
46fc3d4c |
1784 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 |
1785 | if (status) |
46fc3d4c |
1786 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1787 | SvPVX(prog), SvPVX(file)); |
6ad3d225 |
1788 | PerlProc_exit(status); |
79072805 |
1789 | #else |
a5f75d66 |
1790 | # ifdef VMS |
1791 | # include <lib$routines.h> |
1792 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
aa689395 |
1793 | # else |
79072805 |
1794 | ABORT(); /* for use with undump */ |
aa689395 |
1795 | # endif |
a5f75d66 |
1796 | #endif |
79072805 |
1797 | } |
1798 | |
76e3520e |
1799 | STATIC void |
8ac85365 |
1800 | init_main_stash(void) |
79072805 |
1801 | { |
11343788 |
1802 | dTHR; |
463ee0b2 |
1803 | GV *gv; |
6e72f9df |
1804 | |
1805 | /* Note that strtab is a rather special HV. Assumptions are made |
1806 | about not iterating on it, and not adding tie magic to it. |
1807 | It is properly deallocated in perl_destruct() */ |
1808 | strtab = newHV(); |
1809 | HvSHAREKEYS_off(strtab); /* mandatory */ |
1810 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, |
1811 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); |
1812 | |
463ee0b2 |
1813 | curstash = defstash = newHV(); |
79072805 |
1814 | curstname = newSVpv("main",4); |
adbc6bb1 |
1815 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1816 | SvREFCNT_dec(GvHV(gv)); |
1817 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); |
463ee0b2 |
1818 | SvREADONLY_on(gv); |
a0d0e21e |
1819 | HvNAME(defstash) = savepv("main"); |
85e6fe83 |
1820 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 |
1821 | GvMULTI_on(incgv); |
a0d0e21e |
1822 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad |
1823 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1824 | GvMULTI_on(errgv); |
84902520 |
1825 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e |
1826 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1827 | sv_setpvn(ERRSV, "", 0); |
8990e307 |
1828 | curstash = defstash; |
1829 | compiling.cop_stash = defstash; |
adbc6bb1 |
1830 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 |
1831 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 |
1832 | /* We must init $/ before switches are processed. */ |
1833 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); |
79072805 |
1834 | } |
1835 | |
a0d0e21e |
1836 | #ifdef CAN_PROTOTYPE |
76e3520e |
1837 | STATIC void |
a0d0e21e |
1838 | open_script(char *scriptname, bool dosearch, SV *sv) |
1839 | #else |
76e3520e |
1840 | STATIC void |
79072805 |
1841 | open_script(scriptname,dosearch,sv) |
1842 | char *scriptname; |
1843 | bool dosearch; |
1844 | SV *sv; |
a0d0e21e |
1845 | #endif |
79072805 |
1846 | { |
0f15f207 |
1847 | dTHR; |
79072805 |
1848 | char *xfound = Nullch; |
1849 | char *xfailed = Nullch; |
1850 | register char *s; |
1851 | I32 len; |
a38d6535 |
1852 | int retval; |
1853 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) |
fc36a67e |
1854 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1855 | # define MAX_EXT_LEN 4 |
a38d6535 |
1856 | #endif |
d8c2d278 |
1857 | #ifdef OS2 |
1858 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL |
1859 | # define MAX_EXT_LEN 4 |
1860 | #endif |
ab821d7f |
1861 | #ifdef VMS |
1862 | # define SEARCH_EXTS ".pl", ".com", NULL |
fc36a67e |
1863 | # define MAX_EXT_LEN 4 |
ab821d7f |
1864 | #endif |
a38d6535 |
1865 | /* additional extensions to try in each dir if scriptname not found */ |
1866 | #ifdef SEARCH_EXTS |
1867 | char *ext[] = { SEARCH_EXTS }; |
2a92aaa0 |
1868 | int extidx = 0, i = 0; |
1869 | char *curext = Nullch; |
fc36a67e |
1870 | #else |
1871 | # define MAX_EXT_LEN 0 |
a38d6535 |
1872 | #endif |
79072805 |
1873 | |
2a92aaa0 |
1874 | /* |
1875 | * If dosearch is true and if scriptname does not contain path |
1876 | * delimiters, search the PATH for scriptname. |
1877 | * |
1878 | * If SEARCH_EXTS is also defined, will look for each |
1879 | * scriptname{SEARCH_EXTS} whenever scriptname is not found |
1880 | * while searching the PATH. |
1881 | * |
1882 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search |
1883 | * proceeds as follows: |
61bb5906 |
1884 | * If DOSISH or VMSISH: |
2a92aaa0 |
1885 | * + look for ./scriptname{,.foo,.bar} |
1886 | * + search the PATH for scriptname{,.foo,.bar} |
1887 | * |
1888 | * If !DOSISH: |
1889 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note |
1890 | * this will not look in '.' if it's not in the PATH) |
1891 | */ |
1892 | |
c07a80fd |
1893 | #ifdef VMS |
61bb5906 |
1894 | # ifdef ALWAYS_DEFTYPES |
1895 | len = strlen(scriptname); |
1896 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { |
1897 | int hasdir, idx = 0, deftypes = 1; |
1898 | bool seen_dot = 1; |
1899 | |
1900 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; |
1901 | # else |
6e72f9df |
1902 | if (dosearch) { |
1903 | int hasdir, idx = 0, deftypes = 1; |
1a2dec3c |
1904 | bool seen_dot = 1; |
6e72f9df |
1905 | |
1906 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; |
61bb5906 |
1907 | # endif |
6e72f9df |
1908 | /* The first time through, just add SEARCH_EXTS to whatever we |
1909 | * already have, so we can check for default file types. */ |
fc36a67e |
1910 | while (deftypes || |
1911 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) |
1912 | { |
1913 | if (deftypes) { |
1914 | deftypes = 0; |
1915 | *tokenbuf = '\0'; |
1916 | } |
1917 | if ((strlen(tokenbuf) + strlen(scriptname) |
1918 | + MAX_EXT_LEN) >= sizeof tokenbuf) |
1919 | continue; /* don't search dir with too-long name */ |
1920 | strcat(tokenbuf, scriptname); |
c07a80fd |
1921 | #else /* !VMS */ |
2a92aaa0 |
1922 | |
fc36a67e |
1923 | #ifdef DOSISH |
2a92aaa0 |
1924 | if (strEQ(scriptname, "-")) |
84902520 |
1925 | dosearch = 0; |
2a92aaa0 |
1926 | if (dosearch) { /* Look in '.' first. */ |
1927 | char *cur = scriptname; |
1928 | #ifdef SEARCH_EXTS |
1929 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ |
1930 | while (ext[i]) |
1931 | if (strEQ(ext[i++],curext)) { |
1932 | extidx = -1; /* already has an ext */ |
1933 | break; |
1934 | } |
1935 | do { |
79072805 |
1936 | #endif |
2a92aaa0 |
1937 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1938 | "Looking for %s\n",cur)); |
76e3520e |
1939 | if (PerlLIO_stat(cur,&statbuf) >= 0) { |
2a92aaa0 |
1940 | dosearch = 0; |
1941 | scriptname = cur; |
84902520 |
1942 | #ifdef SEARCH_EXTS |
2a92aaa0 |
1943 | break; |
84902520 |
1944 | #endif |
2a92aaa0 |
1945 | } |
1946 | #ifdef SEARCH_EXTS |
1947 | if (cur == scriptname) { |
1948 | len = strlen(scriptname); |
1949 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) |
1950 | break; |
1951 | cur = strcpy(tokenbuf, scriptname); |
1952 | } |
1953 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ |
1954 | && strcpy(tokenbuf+len, ext[extidx++])); |
1955 | #endif |
1956 | } |
1957 | #endif |
84902520 |
1958 | |
e92c4225 |
1959 | if (dosearch && !strchr(scriptname, '/') |
1960 | #ifdef DOSISH |
1961 | && !strchr(scriptname, '\\') |
1962 | #endif |
76e3520e |
1963 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 |
1964 | bool seen_dot = 0; |
84902520 |
1965 | |
79072805 |
1966 | bufend = s + strlen(s); |
fc36a67e |
1967 | while (s < bufend) { |
2a92aaa0 |
1968 | #if defined(atarist) || defined(DOSISH) |
1969 | for (len = 0; *s |
1970 | # ifdef atarist |
1971 | && *s != ',' |
1972 | # endif |
1973 | && *s != ';'; len++, s++) { |
fc36a67e |
1974 | if (len < sizeof tokenbuf) |
1975 | tokenbuf[len] = *s; |
1976 | } |
1977 | if (len < sizeof tokenbuf) |
1978 | tokenbuf[len] = '\0'; |
84902520 |
1979 | #else /* ! (atarist || DOSISH) */ |
1980 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, |
1981 | ':', |
1982 | &len); |
1983 | #endif /* ! (atarist || DOSISH) */ |
fc36a67e |
1984 | if (s < bufend) |
79072805 |
1985 | s++; |
fc36a67e |
1986 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1987 | continue; /* don't search dir with too-long name */ |
1988 | if (len |
fc36a67e |
1989 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 |
1990 | && tokenbuf[len - 1] != '/' |
fc36a67e |
1991 | && tokenbuf[len - 1] != '\\' |
79072805 |
1992 | #endif |
fc36a67e |
1993 | ) |
1994 | tokenbuf[len++] = '/'; |
84902520 |
1995 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 |
1996 | seen_dot = 1; |
fc36a67e |
1997 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd |
1998 | #endif /* !VMS */ |
a38d6535 |
1999 | |
2000 | #ifdef SEARCH_EXTS |
2001 | len = strlen(tokenbuf); |
2002 | if (extidx > 0) /* reset after previous loop */ |
2003 | extidx = 0; |
2004 | do { |
2005 | #endif |
760ac839 |
2006 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
76e3520e |
2007 | retval = PerlLIO_stat(tokenbuf,&statbuf); |
a38d6535 |
2008 | #ifdef SEARCH_EXTS |
2009 | } while ( retval < 0 /* not there */ |
2010 | && extidx>=0 && ext[extidx] /* try an extension? */ |
2011 | && strcpy(tokenbuf+len, ext[extidx++]) |
2012 | ); |
2013 | #endif |
2014 | if (retval < 0) |
79072805 |
2015 | continue; |
2016 | if (S_ISREG(statbuf.st_mode) |
c90c0ff4 |
2017 | && cando(S_IRUSR,TRUE,&statbuf) |
2018 | #ifndef DOSISH |
2019 | && cando(S_IXUSR,TRUE,&statbuf) |
2020 | #endif |
2021 | ) |
2022 | { |
79072805 |
2023 | xfound = tokenbuf; /* bingo! */ |
2024 | break; |
2025 | } |
2026 | if (!xfailed) |
a0d0e21e |
2027 | xfailed = savepv(tokenbuf); |
79072805 |
2028 | } |
2a92aaa0 |
2029 | #ifndef DOSISH |
76e3520e |
2030 | if (!xfound && !seen_dot && !xfailed && (PerlLIO_stat(scriptname,&statbuf) < 0)) |
84902520 |
2031 | #endif |
2032 | seen_dot = 1; /* Disable message. */ |
79072805 |
2033 | if (!xfound) |
84902520 |
2034 | croak("Can't %s %s%s%s", |
2a92aaa0 |
2035 | (xfailed ? "execute" : "find"), |
2036 | (xfailed ? xfailed : scriptname), |
2037 | (xfailed ? "" : " on PATH"), |
2038 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); |
79072805 |
2039 | if (xfailed) |
2040 | Safefree(xfailed); |
2041 | scriptname = xfound; |
2042 | } |
2043 | |
96436eeb |
2044 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
2045 | char *s = scriptname + 8; |
2046 | fdscript = atoi(s); |
2047 | while (isDIGIT(*s)) |
2048 | s++; |
2049 | if (*s) |
2050 | scriptname = s + 1; |
2051 | } |
2052 | else |
2053 | fdscript = -1; |
ab821d7f |
2054 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 |
2055 | curcop->cop_filegv = gv_fetchfile(origfilename); |
2056 | if (strEQ(origfilename,"-")) |
2057 | scriptname = ""; |
96436eeb |
2058 | if (fdscript >= 0) { |
a868473f |
2059 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb |
2060 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
2061 | if (rsfp) |
2062 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
2063 | #endif |
2064 | } |
2065 | else if (preprocess) { |
46fc3d4c |
2066 | char *cpp_cfg = CPPSTDIN; |
2067 | SV *cpp = NEWSV(0,0); |
2068 | SV *cmd = NEWSV(0,0); |
2069 | |
2070 | if (strEQ(cpp_cfg, "cppstdin")) |
2071 | sv_catpvf(cpp, "%s/", BIN_EXP); |
2072 | sv_catpv(cpp, cpp_cfg); |
79072805 |
2073 | |
79072805 |
2074 | sv_catpv(sv,"-I"); |
fed7345c |
2075 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c |
2076 | |
79072805 |
2077 | #ifdef MSDOS |
46fc3d4c |
2078 | sv_setpvf(cmd, "\ |
79072805 |
2079 | sed %s -e \"/^[^#]/b\" \ |
2080 | -e \"/^#[ ]*include[ ]/b\" \ |
2081 | -e \"/^#[ ]*define[ ]/b\" \ |
2082 | -e \"/^#[ ]*if[ ]/b\" \ |
2083 | -e \"/^#[ ]*ifdef[ ]/b\" \ |
2084 | -e \"/^#[ ]*ifndef[ ]/b\" \ |
2085 | -e \"/^#[ ]*else/b\" \ |
2086 | -e \"/^#[ ]*elif[ ]/b\" \ |
2087 | -e \"/^#[ ]*undef[ ]/b\" \ |
2088 | -e \"/^#[ ]*endif/b\" \ |
2089 | -e \"s/^#.*//\" \ |
fc36a67e |
2090 | %s | %_ -C %_ %s", |
79072805 |
2091 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2092 | #else |
46fc3d4c |
2093 | sv_setpvf(cmd, "\ |
79072805 |
2094 | %s %s -e '/^[^#]/b' \ |
2095 | -e '/^#[ ]*include[ ]/b' \ |
2096 | -e '/^#[ ]*define[ ]/b' \ |
2097 | -e '/^#[ ]*if[ ]/b' \ |
2098 | -e '/^#[ ]*ifdef[ ]/b' \ |
2099 | -e '/^#[ ]*ifndef[ ]/b' \ |
2100 | -e '/^#[ ]*else/b' \ |
2101 | -e '/^#[ ]*elif[ ]/b' \ |
2102 | -e '/^#[ ]*undef[ ]/b' \ |
2103 | -e '/^#[ ]*endif/b' \ |
2104 | -e 's/^[ ]*#.*//' \ |
fc36a67e |
2105 | %s | %_ -C %_ %s", |
79072805 |
2106 | #ifdef LOC_SED |
2107 | LOC_SED, |
2108 | #else |
2109 | "sed", |
2110 | #endif |
2111 | (doextract ? "-e '1,/^#/d\n'" : ""), |
2112 | #endif |
46fc3d4c |
2113 | scriptname, cpp, sv, CPPMINUS); |
79072805 |
2114 | doextract = FALSE; |
2115 | #ifdef IAMSUID /* actually, this is caught earlier */ |
2116 | if (euid != uid && !euid) { /* if running suidperl */ |
2117 | #ifdef HAS_SETEUID |
2118 | (void)seteuid(uid); /* musn't stay setuid root */ |
2119 | #else |
2120 | #ifdef HAS_SETREUID |
85e6fe83 |
2121 | (void)setreuid((Uid_t)-1, uid); |
2122 | #else |
2123 | #ifdef HAS_SETRESUID |
2124 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); |
79072805 |
2125 | #else |
76e3520e |
2126 | PerlProc_setuid(uid); |
79072805 |
2127 | #endif |
2128 | #endif |
85e6fe83 |
2129 | #endif |
76e3520e |
2130 | if (PerlProc_geteuid() != uid) |
463ee0b2 |
2131 | croak("Can't do seteuid!\n"); |
79072805 |
2132 | } |
2133 | #endif /* IAMSUID */ |
6ad3d225 |
2134 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c |
2135 | SvREFCNT_dec(cmd); |
2136 | SvREFCNT_dec(cpp); |
79072805 |
2137 | } |
2138 | else if (!*scriptname) { |
bbce6d69 |
2139 | forbid_setid("program input from stdin"); |
760ac839 |
2140 | rsfp = PerlIO_stdin(); |
79072805 |
2141 | } |
96436eeb |
2142 | else { |
a868473f |
2143 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb |
2144 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
2145 | if (rsfp) |
2146 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
2147 | #endif |
2148 | } |
5dd60ef7 |
2149 | if (e_tmpname) { |
2150 | e_fp = rsfp; |
2151 | } |
7aa04957 |
2152 | if (!rsfp) { |
13281fa4 |
2153 | #ifdef DOSUID |
a687059c |
2154 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
76e3520e |
2155 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 |
2156 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c |
2157 | /* try again */ |
6ad3d225 |
2158 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 |
2159 | croak("Can't do setuid\n"); |
13281fa4 |
2160 | } |
2161 | #endif |
2162 | #endif |
463ee0b2 |
2163 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 |
2164 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 |
2165 | } |
79072805 |
2166 | } |
8d063cd8 |
2167 | |
76e3520e |
2168 | STATIC void |
8ac85365 |
2169 | validate_suid(char *validarg, char *scriptname) |
79072805 |
2170 | { |
96436eeb |
2171 | int which; |
2172 | |
13281fa4 |
2173 | /* do we need to emulate setuid on scripts? */ |
2174 | |
2175 | /* This code is for those BSD systems that have setuid #! scripts disabled |
2176 | * in the kernel because of a security problem. Merely defining DOSUID |
2177 | * in perl will not fix that problem, but if you have disabled setuid |
2178 | * scripts in the kernel, this will attempt to emulate setuid and setgid |
2179 | * on scripts that have those now-otherwise-useless bits set. The setuid |
27e2fb84 |
2180 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2181 | * discovers that it has opened a setuid script, it calls suidperl with |
2182 | * the same argv that it had. If suidperl finds that the script it has |
2183 | * just opened is NOT setuid root, it sets the effective uid back to the |
2184 | * uid. We don't just make perl setuid root because that loses the |
2185 | * effective uid we had before invoking perl, if it was different from the |
2186 | * uid. |
13281fa4 |
2187 | * |
2188 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must |
2189 | * be defined in suidperl only. suidperl must be setuid root. The |
2190 | * Configure script will set this up for you if you want it. |
2191 | */ |
a687059c |
2192 | |
13281fa4 |
2193 | #ifdef DOSUID |
ea0efc06 |
2194 | dTHR; |
6e72f9df |
2195 | char *s, *s2; |
a0d0e21e |
2196 | |
6ad3d225 |
2197 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 |
2198 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb |
2199 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 |
2200 | I32 len; |
13281fa4 |
2201 | |
a687059c |
2202 | #ifdef IAMSUID |
fe14fcc3 |
2203 | #ifndef HAS_SETREUID |
a687059c |
2204 | /* On this access check to make sure the directories are readable, |
2205 | * there is actually a small window that the user could use to make |
2206 | * filename point to an accessible directory. So there is a faint |
2207 | * chance that someone could execute a setuid script down in a |
2208 | * non-accessible directory. I don't know what to do about that. |
2209 | * But I don't think it's too important. The manual lies when |
2210 | * it says access() is useful in setuid programs. |
2211 | */ |
6ad3d225 |
2212 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 |
2213 | croak("Permission denied"); |
a687059c |
2214 | #else |
2215 | /* If we can swap euid and uid, then we can determine access rights |
2216 | * with a simple stat of the file, and then compare device and |
2217 | * inode to make sure we did stat() on the same file we opened. |
2218 | * Then we just have to make sure he or she can execute it. |
2219 | */ |
2220 | { |
2221 | struct stat tmpstatbuf; |
2222 | |
85e6fe83 |
2223 | if ( |
2224 | #ifdef HAS_SETREUID |
2225 | setreuid(euid,uid) < 0 |
a0d0e21e |
2226 | #else |
2227 | # if HAS_SETRESUID |
85e6fe83 |
2228 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e |
2229 | # endif |
85e6fe83 |
2230 | #endif |
76e3520e |
2231 | || PerlProc_getuid() != euid || PerlProc_geteuid() != uid) |
463ee0b2 |
2232 | croak("Can't swap uid and euid"); /* really paranoid */ |
76e3520e |
2233 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 |
2234 | croak("Permission denied"); /* testing full pathname here */ |
a687059c |
2235 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2236 | tmpstatbuf.st_ino != statbuf.st_ino) { |
760ac839 |
2237 | (void)PerlIO_close(rsfp); |
6ad3d225 |
2238 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 |
2239 | PerlIO_printf(rsfp, |
ff0cee69 |
2240 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2241 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", |
2242 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, |
2243 | (long)statbuf.st_dev, (long)statbuf.st_ino, |
463ee0b2 |
2244 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 |
2245 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 |
2246 | (void)PerlProc_pclose(rsfp); |
a687059c |
2247 | } |
463ee0b2 |
2248 | croak("Permission denied\n"); |
a687059c |
2249 | } |
85e6fe83 |
2250 | if ( |
2251 | #ifdef HAS_SETREUID |
2252 | setreuid(uid,euid) < 0 |
a0d0e21e |
2253 | #else |
2254 | # if defined(HAS_SETRESUID) |
85e6fe83 |
2255 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e |
2256 | # endif |
85e6fe83 |
2257 | #endif |
76e3520e |
2258 | || PerlProc_getuid() != uid || PerlProc_geteuid() != euid) |
463ee0b2 |
2259 | croak("Can't reswap uid and euid"); |
27e2fb84 |
2260 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 |
2261 | croak("Permission denied\n"); |
a687059c |
2262 | } |
fe14fcc3 |
2263 | #endif /* HAS_SETREUID */ |
a687059c |
2264 | #endif /* IAMSUID */ |
2265 | |
27e2fb84 |
2266 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 |
2267 | croak("Permission denied"); |
27e2fb84 |
2268 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 |
2269 | croak("Setuid/gid script is writable by world"); |
13281fa4 |
2270 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 |
2271 | curcop->cop_line++; |
760ac839 |
2272 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2273 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ |
463ee0b2 |
2274 | croak("No #! line"); |
760ac839 |
2275 | s = SvPV(linestr,na)+2; |
663a0e37 |
2276 | if (*s == ' ') s++; |
45d8adaa |
2277 | while (!isSPACE(*s)) s++; |
760ac839 |
2278 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df |
2279 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2280 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ |
463ee0b2 |
2281 | croak("Not a perl script"); |
a687059c |
2282 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 |
2283 | /* |
2284 | * #! arg must be what we saw above. They can invoke it by |
2285 | * mentioning suidperl explicitly, but they may not add any strange |
2286 | * arguments beyond what #! says if they do invoke suidperl that way. |
2287 | */ |
2288 | len = strlen(validarg); |
2289 | if (strEQ(validarg," PHOOEY ") || |
45d8adaa |
2290 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 |
2291 | croak("Args must match #! line"); |
a687059c |
2292 | |
2293 | #ifndef IAMSUID |
2294 | if (euid != uid && (statbuf.st_mode & S_ISUID) && |
2295 | euid == statbuf.st_uid) |
2296 | if (!do_undump) |
463ee0b2 |
2297 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2298 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2299 | #endif /* IAMSUID */ |
13281fa4 |
2300 | |
2301 | if (euid) { /* oops, we're not the setuid root perl */ |
760ac839 |
2302 | (void)PerlIO_close(rsfp); |
13281fa4 |
2303 | #ifndef IAMSUID |
46fc3d4c |
2304 | /* try again */ |
6ad3d225 |
2305 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 |
2306 | #endif |
463ee0b2 |
2307 | croak("Can't do setuid\n"); |
13281fa4 |
2308 | } |
2309 | |
83025b21 |
2310 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 |
2311 | #ifdef HAS_SETEGID |
a687059c |
2312 | (void)setegid(statbuf.st_gid); |
2313 | #else |
fe14fcc3 |
2314 | #ifdef HAS_SETREGID |
85e6fe83 |
2315 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2316 | #else |
2317 | #ifdef HAS_SETRESGID |
2318 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); |
a687059c |
2319 | #else |
76e3520e |
2320 | PerlProc_setgid(statbuf.st_gid); |
a687059c |
2321 | #endif |
2322 | #endif |
85e6fe83 |
2323 | #endif |
76e3520e |
2324 | if (PerlProc_getegid() != statbuf.st_gid) |
463ee0b2 |
2325 | croak("Can't do setegid!\n"); |
83025b21 |
2326 | } |
a687059c |
2327 | if (statbuf.st_mode & S_ISUID) { |
2328 | if (statbuf.st_uid != euid) |
fe14fcc3 |
2329 | #ifdef HAS_SETEUID |
a687059c |
2330 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2331 | #else |
fe14fcc3 |
2332 | #ifdef HAS_SETREUID |
85e6fe83 |
2333 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2334 | #else |
2335 | #ifdef HAS_SETRESUID |
2336 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); |
a687059c |
2337 | #else |
76e3520e |
2338 | PerlProc_setuid(statbuf.st_uid); |
a687059c |
2339 | #endif |
2340 | #endif |
85e6fe83 |
2341 | #endif |
76e3520e |
2342 | if (PerlProc_geteuid() != statbuf.st_uid) |
463ee0b2 |
2343 | croak("Can't do seteuid!\n"); |
a687059c |
2344 | } |
83025b21 |
2345 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 |
2346 | #ifdef HAS_SETEUID |
85e6fe83 |
2347 | (void)seteuid((Uid_t)uid); |
a687059c |
2348 | #else |
fe14fcc3 |
2349 | #ifdef HAS_SETREUID |
85e6fe83 |
2350 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c |
2351 | #else |
85e6fe83 |
2352 | #ifdef HAS_SETRESUID |
2353 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); |
2354 | #else |
76e3520e |
2355 | PerlProc_setuid((Uid_t)uid); |
85e6fe83 |
2356 | #endif |
a687059c |
2357 | #endif |
2358 | #endif |
76e3520e |
2359 | if (PerlProc_geteuid() != uid) |
463ee0b2 |
2360 | croak("Can't do seteuid!\n"); |
83025b21 |
2361 | } |
748a9306 |
2362 | init_ids(); |
27e2fb84 |
2363 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 |
2364 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 |
2365 | } |
2366 | #ifdef IAMSUID |
2367 | else if (preprocess) |
463ee0b2 |
2368 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb |
2369 | else if (fdscript >= 0) |
2370 | croak("fd script not allowed in suidperl\n"); |
13281fa4 |
2371 | else |
463ee0b2 |
2372 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb |
2373 | |
2374 | /* We absolutely must clear out any saved ids here, so we */ |
2375 | /* exec the real perl, substituting fd script for scriptname. */ |
2376 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ |
760ac839 |
2377 | PerlIO_rewind(rsfp); |
6ad3d225 |
2378 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb |
2379 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2380 | if (!origargv[which]) |
2381 | croak("Permission denied"); |
46fc3d4c |
2382 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2383 | PerlIO_fileno(rsfp), origargv[which])); |
96436eeb |
2384 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 |
2385 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb |
2386 | #endif |
6ad3d225 |
2387 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb |
2388 | croak("Can't do setuid\n"); |
13281fa4 |
2389 | #endif /* IAMSUID */ |
a687059c |
2390 | #else /* !DOSUID */ |
a687059c |
2391 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2392 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 |
2393 | dTHR; |
6ad3d225 |
2394 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c |
2395 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2396 | || |
2397 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
2398 | ) |
2399 | if (!do_undump) |
463ee0b2 |
2400 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2401 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2402 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
2403 | /* not set-id, must be wrapped */ |
a687059c |
2404 | } |
13281fa4 |
2405 | #endif /* DOSUID */ |
79072805 |
2406 | } |
13281fa4 |
2407 | |
76e3520e |
2408 | STATIC void |
8ac85365 |
2409 | find_beginning(void) |
79072805 |
2410 | { |
6e72f9df |
2411 | register char *s, *s2; |
33b78306 |
2412 | |
2413 | /* skip forward in input to the real script? */ |
2414 | |
bbce6d69 |
2415 | forbid_setid("-x"); |
33b78306 |
2416 | while (doextract) { |
79072805 |
2417 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 |
2418 | croak("No Perl script found in input\n"); |
6e72f9df |
2419 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 |
2420 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 |
2421 | doextract = FALSE; |
6e72f9df |
2422 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2423 | s2 = s; |
2424 | while (*s == ' ' || *s == '\t') s++; |
2425 | if (*s++ == '-') { |
2426 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; |
2427 | if (strnEQ(s2-4,"perl",4)) |
2428 | /*SUPPRESS 530*/ |
2429 | while (s = moreswitches(s)) ; |
33b78306 |
2430 | } |
6ad3d225 |
2431 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 |
2432 | croak("Can't chdir to %s",cddir); |
83025b21 |
2433 | } |
2434 | } |
2435 | } |
2436 | |
76e3520e |
2437 | STATIC void |
8ac85365 |
2438 | init_ids(void) |
352d5a3a |
2439 | { |
76e3520e |
2440 | uid = (int)PerlProc_getuid(); |
2441 | euid = (int)PerlProc_geteuid(); |
2442 | gid = (int)PerlProc_getgid(); |
2443 | egid = (int)PerlProc_getegid(); |
748a9306 |
2444 | #ifdef VMS |
2445 | uid |= gid << 16; |
2446 | euid |= egid << 16; |
2447 | #endif |
4633a7c4 |
2448 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 |
2449 | } |
79072805 |
2450 | |
76e3520e |
2451 | STATIC void |
8ac85365 |
2452 | forbid_setid(char *s) |
bbce6d69 |
2453 | { |
2454 | if (euid != uid) |
2455 | croak("No %s allowed while running setuid", s); |
2456 | if (egid != gid) |
2457 | croak("No %s allowed while running setgid", s); |
2458 | } |
2459 | |
76e3520e |
2460 | STATIC void |
8ac85365 |
2461 | init_debugger(void) |
748a9306 |
2462 | { |
11343788 |
2463 | dTHR; |
79072805 |
2464 | curstash = debstash; |
748a9306 |
2465 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 |
2466 | AvREAL_off(dbargs); |
a0d0e21e |
2467 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2468 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); |
748a9306 |
2469 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2470 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2471 | sv_setiv(DBsingle, 0); |
748a9306 |
2472 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2473 | sv_setiv(DBtrace, 0); |
748a9306 |
2474 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2475 | sv_setiv(DBsignal, 0); |
79072805 |
2476 | curstash = defstash; |
352d5a3a |
2477 | } |
2478 | |
11343788 |
2479 | void |
8ac85365 |
2480 | init_stacks(ARGSproto) |
79072805 |
2481 | { |
6e72f9df |
2482 | curstack = newAV(); |
5f05dabc |
2483 | mainstack = curstack; /* remember in case we switch stacks */ |
2484 | AvREAL_off(curstack); /* not a real array */ |
6e72f9df |
2485 | av_extend(curstack,127); |
79072805 |
2486 | |
6e72f9df |
2487 | stack_base = AvARRAY(curstack); |
79072805 |
2488 | stack_sp = stack_base; |
8990e307 |
2489 | stack_max = stack_base + 127; |
79072805 |
2490 | |
c09156bb |
2491 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2492 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); |
8990e307 |
2493 | cxstack_ix = -1; |
8990e307 |
2494 | |
2495 | New(50,tmps_stack,128,SV*); |
6d4ff0d2 |
2496 | tmps_floor = -1; |
8990e307 |
2497 | tmps_ix = -1; |
2498 | tmps_max = 128; |
2499 | |
5f05dabc |
2500 | /* |
2501 | * The following stacks almost certainly should be per-interpreter, |
2502 | * but for now they're not. XXX |
2503 | */ |
2504 | |
6e72f9df |
2505 | if (markstack) { |
2506 | markstack_ptr = markstack; |
2507 | } else { |
2508 | New(54,markstack,64,I32); |
2509 | markstack_ptr = markstack; |
2510 | markstack_max = markstack + 64; |
2511 | } |
79072805 |
2512 | |
6e72f9df |
2513 | if (scopestack) { |
2514 | scopestack_ix = 0; |
2515 | } else { |
2516 | New(54,scopestack,32,I32); |
2517 | scopestack_ix = 0; |
2518 | scopestack_max = 32; |
2519 | } |
79072805 |
2520 | |
6e72f9df |
2521 | if (savestack) { |
2522 | savestack_ix = 0; |
2523 | } else { |
2524 | New(54,savestack,128,ANY); |
2525 | savestack_ix = 0; |
2526 | savestack_max = 128; |
2527 | } |
79072805 |
2528 | |
6e72f9df |
2529 | if (retstack) { |
2530 | retstack_ix = 0; |
2531 | } else { |
2532 | New(54,retstack,16,OP*); |
2533 | retstack_ix = 0; |
2534 | retstack_max = 16; |
5f05dabc |
2535 | } |
378cc40b |
2536 | } |
33b78306 |
2537 | |
76e3520e |
2538 | STATIC void |
8ac85365 |
2539 | nuke_stacks(void) |
6e72f9df |
2540 | { |
e858de61 |
2541 | dTHR; |
6e72f9df |
2542 | Safefree(cxstack); |
2543 | Safefree(tmps_stack); |
5f05dabc |
2544 | DEBUG( { |
2545 | Safefree(debname); |
2546 | Safefree(debdelim); |
2547 | } ) |
378cc40b |
2548 | } |
33b78306 |
2549 | |
76e3520e |
2550 | #ifndef PERL_OBJECT |
760ac839 |
2551 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e |
2552 | #endif |
7aa04957 |
2553 | |
76e3520e |
2554 | STATIC void |
8ac85365 |
2555 | init_lexer(void) |
8990e307 |
2556 | { |
76e3520e |
2557 | #ifdef PERL_OBJECT |
2558 | PerlIO *tmpfp; |
2559 | #endif |
a0d0e21e |
2560 | tmpfp = rsfp; |
90248788 |
2561 | rsfp = Nullfp; |
8990e307 |
2562 | lex_start(linestr); |
2563 | rsfp = tmpfp; |
2564 | subname = newSVpv("main",4); |
2565 | } |
2566 | |
76e3520e |
2567 | STATIC void |
8ac85365 |
2568 | init_predump_symbols(void) |
45d8adaa |
2569 | { |
11343788 |
2570 | dTHR; |
93a17b20 |
2571 | GV *tmpgv; |
a0d0e21e |
2572 | GV *othergv; |
79072805 |
2573 | |
a863c7d1 |
2574 | #ifdef USE_THREADS |
54b9620d |
2575 | sv_setpvn(*av_fetch(thr->threadsv,find_threadsv("\""),FALSE)," ", 1); |
a863c7d1 |
2576 | #else |
85e6fe83 |
2577 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
a863c7d1 |
2578 | #endif /* USE_THREADS */ |
79072805 |
2579 | |
85e6fe83 |
2580 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 |
2581 | GvMULTI_on(stdingv); |
760ac839 |
2582 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 |
2583 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 |
2584 | GvMULTI_on(tmpgv); |
a0d0e21e |
2585 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 |
2586 | |
85e6fe83 |
2587 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 |
2588 | GvMULTI_on(tmpgv); |
760ac839 |
2589 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 |
2590 | setdefout(tmpgv); |
adbc6bb1 |
2591 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 |
2592 | GvMULTI_on(tmpgv); |
a0d0e21e |
2593 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 |
2594 | |
a0d0e21e |
2595 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 |
2596 | GvMULTI_on(othergv); |
760ac839 |
2597 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 |
2598 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 |
2599 | GvMULTI_on(tmpgv); |
a0d0e21e |
2600 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 |
2601 | |
2602 | statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f |
2603 | |
6e72f9df |
2604 | if (!osname) |
2605 | osname = savepv(OSNAME); |
79072805 |
2606 | } |
33b78306 |
2607 | |
76e3520e |
2608 | STATIC void |
8ac85365 |
2609 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 |
2610 | { |
a863c7d1 |
2611 | dTHR; |
79072805 |
2612 | char *s; |
2613 | SV *sv; |
2614 | GV* tmpgv; |
fe14fcc3 |
2615 | |
79072805 |
2616 | argc--,argv++; /* skip name of script */ |
2617 | if (doswitches) { |
2618 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
2619 | if (!argv[0][1]) |
2620 | break; |
2621 | if (argv[0][1] == '-') { |
2622 | argc--,argv++; |
2623 | break; |
2624 | } |
93a17b20 |
2625 | if (s = strchr(argv[0], '=')) { |
79072805 |
2626 | *s++ = '\0'; |
85e6fe83 |
2627 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 |
2628 | } |
2629 | else |
85e6fe83 |
2630 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 |
2631 | } |
79072805 |
2632 | } |
2633 | toptarget = NEWSV(0,0); |
2634 | sv_upgrade(toptarget, SVt_PVFM); |
2635 | sv_setpvn(toptarget, "", 0); |
748a9306 |
2636 | bodytarget = NEWSV(0,0); |
79072805 |
2637 | sv_upgrade(bodytarget, SVt_PVFM); |
2638 | sv_setpvn(bodytarget, "", 0); |
2639 | formtarget = bodytarget; |
2640 | |
bbce6d69 |
2641 | TAINT; |
85e6fe83 |
2642 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 |
2643 | sv_setpv(GvSV(tmpgv),origfilename); |
2644 | magicname("0", "0", 1); |
2645 | } |
85e6fe83 |
2646 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 |
2647 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 |
2648 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 |
2649 | GvMULTI_on(argvgv); |
79072805 |
2650 | (void)gv_AVadd(argvgv); |
2651 | av_clear(GvAVn(argvgv)); |
2652 | for (; argc > 0; argc--,argv++) { |
a0d0e21e |
2653 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 |
2654 | } |
2655 | } |
85e6fe83 |
2656 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 |
2657 | HV *hv; |
a5f75d66 |
2658 | GvMULTI_on(envgv); |
79072805 |
2659 | hv = GvHVn(envgv); |
5aabfad6 |
2660 | hv_magic(hv, envgv, 'E'); |
a0d0e21e |
2661 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 |
2662 | /* Note that if the supplied env parameter is actually a copy |
2663 | of the global environ then it may now point to free'd memory |
2664 | if the environment has been modified since. To avoid this |
2665 | problem we treat env==NULL as meaning 'use the default' |
2666 | */ |
2667 | if (!env) |
2668 | env = environ; |
5aabfad6 |
2669 | if (env != environ) |
79072805 |
2670 | environ[0] = Nullch; |
2671 | for (; *env; env++) { |
93a17b20 |
2672 | if (!(s = strchr(*env,'='))) |
79072805 |
2673 | continue; |
2674 | *s++ = '\0'; |
39e571d4 |
2675 | #if defined(WIN32) || defined(MSDOS) |
137443ea |
2676 | (void)strupr(*env); |
2677 | #endif |
79072805 |
2678 | sv = newSVpv(s--,0); |
2679 | (void)hv_store(hv, *env, s - *env, sv, 0); |
2680 | *s = '='; |
3e3baf6d |
2681 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2682 | /* Sins of the RTL. See note in my_setenv(). */ |
76e3520e |
2683 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d |
2684 | #endif |
fe14fcc3 |
2685 | } |
4550b24a |
2686 | #endif |
2687 | #ifdef DYNAMIC_ENV_FETCH |
2688 | HvNAME(hv) = savepv(ENV_HV_NAME); |
2689 | #endif |
79072805 |
2690 | } |
bbce6d69 |
2691 | TAINT_NOT; |
85e6fe83 |
2692 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 |
2693 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 |
2694 | } |
34de22dd |
2695 | |
76e3520e |
2696 | STATIC void |
8ac85365 |
2697 | init_perllib(void) |
34de22dd |
2698 | { |
85e6fe83 |
2699 | char *s; |
2700 | if (!tainting) { |
552a7a9b |
2701 | #ifndef VMS |
76e3520e |
2702 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 |
2703 | if (s) |
774d564b |
2704 | incpush(s, TRUE); |
85e6fe83 |
2705 | else |
76e3520e |
2706 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b |
2707 | #else /* VMS */ |
2708 | /* Treat PERL5?LIB as a possible search list logical name -- the |
2709 | * "natural" VMS idiom for a Unix path string. We allow each |
2710 | * element to be a set of |-separated directories for compatibility. |
2711 | */ |
2712 | char buf[256]; |
2713 | int idx = 0; |
2714 | if (my_trnlnm("PERL5LIB",buf,0)) |
774d564b |
2715 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b |
2716 | else |
774d564b |
2717 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b |
2718 | #endif /* VMS */ |
85e6fe83 |
2719 | } |
34de22dd |
2720 | |
c90c0ff4 |
2721 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 |
2722 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2723 | */ |
4633a7c4 |
2724 | #ifdef APPLLIB_EXP |
774d564b |
2725 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 |
2726 | #endif |
4633a7c4 |
2727 | |
fed7345c |
2728 | #ifdef ARCHLIB_EXP |
774d564b |
2729 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e |
2730 | #endif |
fed7345c |
2731 | #ifndef PRIVLIB_EXP |
2732 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd |
2733 | #endif |
774d564b |
2734 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 |
2735 | |
2736 | #ifdef SITEARCH_EXP |
774d564b |
2737 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 |
2738 | #endif |
2739 | #ifdef SITELIB_EXP |
774d564b |
2740 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 |
2741 | #endif |
2742 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ |
774d564b |
2743 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 |
2744 | #endif |
a0d0e21e |
2745 | |
4633a7c4 |
2746 | if (!tainting) |
774d564b |
2747 | incpush(".", FALSE); |
2748 | } |
2749 | |
2750 | #if defined(DOSISH) |
2751 | # define PERLLIB_SEP ';' |
2752 | #else |
2753 | # if defined(VMS) |
2754 | # define PERLLIB_SEP '|' |
2755 | # else |
2756 | # define PERLLIB_SEP ':' |
2757 | # endif |
2758 | #endif |
2759 | #ifndef PERLLIB_MANGLE |
2760 | # define PERLLIB_MANGLE(s,n) (s) |
2761 | #endif |
2762 | |
76e3520e |
2763 | STATIC void |
8ac85365 |
2764 | incpush(char *p, int addsubdirs) |
774d564b |
2765 | { |
2766 | SV *subdir = Nullsv; |
2767 | static char *archpat_auto; |
2768 | |
2769 | if (!p) |
2770 | return; |
2771 | |
2772 | if (addsubdirs) { |
2773 | subdir = newSV(0); |
2774 | if (!archpat_auto) { |
2775 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) |
2776 | + sizeof("//auto")); |
2777 | New(55, archpat_auto, len, char); |
2778 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); |
aa689395 |
2779 | #ifdef VMS |
2780 | for (len = sizeof(ARCHNAME) + 2; |
2781 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) |
2782 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; |
2783 | #endif |
774d564b |
2784 | } |
2785 | } |
2786 | |
2787 | /* Break at all separators */ |
2788 | while (p && *p) { |
2789 | SV *libdir = newSV(0); |
2790 | char *s; |
2791 | |
2792 | /* skip any consecutive separators */ |
2793 | while ( *p == PERLLIB_SEP ) { |
2794 | /* Uncomment the next line for PATH semantics */ |
2795 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ |
2796 | p++; |
2797 | } |
2798 | |
2799 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
2800 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
2801 | (STRLEN)(s - p)); |
2802 | p = s + 1; |
2803 | } |
2804 | else { |
2805 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); |
2806 | p = Nullch; /* break out */ |
2807 | } |
2808 | |
2809 | /* |
2810 | * BEFORE pushing libdir onto @INC we may first push version- and |
2811 | * archname-specific sub-directories. |
2812 | */ |
2813 | if (addsubdirs) { |
2814 | struct stat tmpstatbuf; |
aa689395 |
2815 | #ifdef VMS |
2816 | char *unix; |
2817 | STRLEN len; |
774d564b |
2818 | |
aa689395 |
2819 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2820 | len = strlen(unix); |
2821 | while (unix[len-1] == '/') len--; /* Cosmetic */ |
2822 | sv_usepvn(libdir,unix,len); |
2823 | } |
2824 | else |
2825 | PerlIO_printf(PerlIO_stderr(), |
2826 | "Failed to unixify @INC element \"%s\"\n", |
2827 | SvPV(libdir,na)); |
2828 | #endif |
4fdae800 |
2829 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b |
2830 | sv_setsv(subdir, libdir); |
2831 | sv_catpv(subdir, archpat_auto); |
76e3520e |
2832 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b |
2833 | S_ISDIR(tmpstatbuf.st_mode)) |
2834 | av_push(GvAVn(incgv), |
2835 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2836 | |
4fdae800 |
2837 | /* .../archname if -d .../archname/auto */ |
774d564b |
2838 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2839 | strlen(patchlevel) + 1, "", 0); |
76e3520e |
2840 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b |
2841 | S_ISDIR(tmpstatbuf.st_mode)) |
2842 | av_push(GvAVn(incgv), |
2843 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2844 | } |
2845 | |
2846 | /* finally push this lib directory on the end of @INC */ |
2847 | av_push(GvAVn(incgv), libdir); |
2848 | } |
2849 | |
2850 | SvREFCNT_dec(subdir); |
34de22dd |
2851 | } |
93a17b20 |
2852 | |
199100c8 |
2853 | #ifdef USE_THREADS |
76e3520e |
2854 | STATIC struct perl_thread * |
199100c8 |
2855 | init_main_thread() |
2856 | { |
52e1cb5e |
2857 | struct perl_thread *thr; |
199100c8 |
2858 | XPV *xpv; |
2859 | |
52e1cb5e |
2860 | Newz(53, thr, 1, struct perl_thread); |
199100c8 |
2861 | curcop = &compiling; |
2862 | thr->cvcache = newHV(); |
54b9620d |
2863 | thr->threadsv = newAV(); |
199100c8 |
2864 | thr->specific = newAV(); |
38a03e6e |
2865 | thr->errhv = newHV(); |
199100c8 |
2866 | thr->flags = THRf_R_JOINABLE; |
2867 | MUTEX_INIT(&thr->mutex); |
2868 | /* Handcraft thrsv similarly to mess_sv */ |
2869 | New(53, thrsv, 1, SV); |
2870 | Newz(53, xpv, 1, XPV); |
2871 | SvFLAGS(thrsv) = SVt_PV; |
2872 | SvANY(thrsv) = (void*)xpv; |
2873 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ |
2874 | SvPVX(thrsv) = (char*)thr; |
2875 | SvCUR_set(thrsv, sizeof(thr)); |
2876 | SvLEN_set(thrsv, sizeof(thr)); |
2877 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ |
2878 | thr->oursv = thrsv; |
2879 | curcop = &compiling; |
2880 | chopset = " \n-"; |
2881 | |
2882 | MUTEX_LOCK(&threads_mutex); |
2883 | nthreads++; |
2884 | thr->tid = 0; |
2885 | thr->next = thr; |
2886 | thr->prev = thr; |
2887 | MUTEX_UNLOCK(&threads_mutex); |
2888 | |
4b026b9e |
2889 | #ifdef HAVE_THREAD_INTERN |
2890 | init_thread_intern(thr); |
235db74f |
2891 | #endif |
2892 | |
2893 | #ifdef SET_THREAD_SELF |
2894 | SET_THREAD_SELF(thr); |
199100c8 |
2895 | #else |
2896 | thr->self = pthread_self(); |
235db74f |
2897 | #endif /* SET_THREAD_SELF */ |
199100c8 |
2898 | SET_THR(thr); |
2899 | |
2900 | /* |
2901 | * These must come after the SET_THR because sv_setpvn does |
2902 | * SvTAINT and the taint fields require dTHR. |
2903 | */ |
2904 | toptarget = NEWSV(0,0); |
2905 | sv_upgrade(toptarget, SVt_PVFM); |
2906 | sv_setpvn(toptarget, "", 0); |
2907 | bodytarget = NEWSV(0,0); |
2908 | sv_upgrade(bodytarget, SVt_PVFM); |
2909 | sv_setpvn(bodytarget, "", 0); |
2910 | formtarget = bodytarget; |
2faa37cc |
2911 | thr->errsv = newSVpv("", 0); |
199100c8 |
2912 | return thr; |
2913 | } |
2914 | #endif /* USE_THREADS */ |
2915 | |
93a17b20 |
2916 | void |
76e3520e |
2917 | call_list(I32 oldscope, AV *paramList) |
93a17b20 |
2918 | { |
11343788 |
2919 | dTHR; |
a0d0e21e |
2920 | line_t oldline = curcop->cop_line; |
22921e25 |
2921 | STRLEN len; |
2922 | dJMPENV; |
2923 | int ret; |
93a17b20 |
2924 | |
76e3520e |
2925 | while (AvFILL(paramList) >= 0) { |
2926 | CV *cv = (CV*)av_shift(paramList); |
93a17b20 |
2927 | |
8990e307 |
2928 | SAVEFREESV(cv); |
a0d0e21e |
2929 | |
22921e25 |
2930 | JMPENV_PUSH(ret); |
2931 | switch (ret) { |
748a9306 |
2932 | case 0: { |
38a03e6e |
2933 | SV* atsv = ERRSV; |
748a9306 |
2934 | PUSHMARK(stack_sp); |
2935 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); |
12f917ad |
2936 | (void)SvPV(atsv, len); |
748a9306 |
2937 | if (len) { |
54310121 |
2938 | JMPENV_POP; |
748a9306 |
2939 | curcop = &compiling; |
2940 | curcop->cop_line = oldline; |
76e3520e |
2941 | if (paramList == beginav) |
12f917ad |
2942 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 |
2943 | else |
12f917ad |
2944 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 |
2945 | while (scopestack_ix > oldscope) |
2946 | LEAVE; |
12f917ad |
2947 | croak("%s", SvPVX(atsv)); |
748a9306 |
2948 | } |
a0d0e21e |
2949 | } |
85e6fe83 |
2950 | break; |
2951 | case 1: |
f86702cc |
2952 | STATUS_ALL_FAILURE; |
85e6fe83 |
2953 | /* FALL THROUGH */ |
2954 | case 2: |
2955 | /* my_exit() was called */ |
2ae324a7 |
2956 | while (scopestack_ix > oldscope) |
2957 | LEAVE; |
84902520 |
2958 | FREETMPS; |
85e6fe83 |
2959 | curstash = defstash; |
2960 | if (endav) |
68dc0745 |
2961 | call_list(oldscope, endav); |
54310121 |
2962 | JMPENV_POP; |
a0d0e21e |
2963 | curcop = &compiling; |
2964 | curcop->cop_line = oldline; |
85e6fe83 |
2965 | if (statusvalue) { |
76e3520e |
2966 | if (paramList == beginav) |
a0d0e21e |
2967 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 |
2968 | else |
a0d0e21e |
2969 | croak("END failed--cleanup aborted"); |
85e6fe83 |
2970 | } |
f86702cc |
2971 | my_exit_jump(); |
85e6fe83 |
2972 | /* NOTREACHED */ |
85e6fe83 |
2973 | case 3: |
2974 | if (!restartop) { |
760ac839 |
2975 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
2976 | FREETMPS; |
85e6fe83 |
2977 | break; |
2978 | } |
54310121 |
2979 | JMPENV_POP; |
a0d0e21e |
2980 | curcop = &compiling; |
2981 | curcop->cop_line = oldline; |
54310121 |
2982 | JMPENV_JUMP(3); |
8990e307 |
2983 | } |
54310121 |
2984 | JMPENV_POP; |
93a17b20 |
2985 | } |
93a17b20 |
2986 | } |
93a17b20 |
2987 | |
f86702cc |
2988 | void |
8ac85365 |
2989 | my_exit(U32 status) |
f86702cc |
2990 | { |
5dc0d613 |
2991 | dTHR; |
2992 | |
2993 | #ifdef USE_THREADS |
a863c7d1 |
2994 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2995 | thr, (unsigned long) status)); |
5dc0d613 |
2996 | #endif /* USE_THREADS */ |
f86702cc |
2997 | switch (status) { |
2998 | case 0: |
2999 | STATUS_ALL_SUCCESS; |
3000 | break; |
3001 | case 1: |
3002 | STATUS_ALL_FAILURE; |
3003 | break; |
3004 | default: |
3005 | STATUS_NATIVE_SET(status); |
3006 | break; |
3007 | } |
3008 | my_exit_jump(); |
3009 | } |
3010 | |
3011 | void |
8ac85365 |
3012 | my_failure_exit(void) |
f86702cc |
3013 | { |
3014 | #ifdef VMS |
3015 | if (vaxc$errno & 1) { |
4fdae800 |
3016 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
3017 | STATUS_NATIVE_SET(44); |
f86702cc |
3018 | } |
3019 | else { |
ff0cee69 |
3020 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 |
3021 | STATUS_NATIVE_SET(44); |
f86702cc |
3022 | else |
4fdae800 |
3023 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc |
3024 | } |
3025 | #else |
3026 | if (errno & 255) |
3027 | STATUS_POSIX_SET(errno); |
3028 | else if (STATUS_POSIX == 0) |
3029 | STATUS_POSIX_SET(255); |
3030 | #endif |
3031 | my_exit_jump(); |
93a17b20 |
3032 | } |
3033 | |
76e3520e |
3034 | STATIC void |
8ac85365 |
3035 | my_exit_jump(void) |
f86702cc |
3036 | { |
e858de61 |
3037 | dTHR; |
c09156bb |
3038 | register PERL_CONTEXT *cx; |
f86702cc |
3039 | I32 gimme; |
3040 | SV **newsp; |
3041 | |
3042 | if (e_tmpname) { |
3043 | if (e_fp) { |
3044 | PerlIO_close(e_fp); |
3045 | e_fp = Nullfp; |
3046 | } |
3047 | (void)UNLINK(e_tmpname); |
3048 | Safefree(e_tmpname); |
3049 | e_tmpname = Nullch; |
3050 | } |
3051 | |
3052 | if (cxstack_ix >= 0) { |
3053 | if (cxstack_ix > 0) |
3054 | dounwind(0); |
3055 | POPBLOCK(cx,curpm); |
3056 | LEAVE; |
3057 | } |
ff0cee69 |
3058 | |
54310121 |
3059 | JMPENV_JUMP(2); |
f86702cc |
3060 | } |
4e35701f |
3061 | |
aeea060c |
3062 | |
22239a37 |
3063 | |