Commit | Line | Data |
a0d0e21e |
1 | /* perl.c |
2 | * |
a411490c |
3 | * Copyright (c) 1987-1998 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 | |
199100c8 |
167 | thr = init_main_thread(); |
11343788 |
168 | #endif /* USE_THREADS */ |
169 | |
79072805 |
170 | linestr = NEWSV(65,80); |
ed6116ce |
171 | sv_upgrade(linestr,SVt_PVIV); |
79072805 |
172 | |
6e72f9df |
173 | if (!SvREADONLY(&sv_undef)) { |
174 | SvREADONLY_on(&sv_undef); |
79072805 |
175 | |
6e72f9df |
176 | sv_setpv(&sv_no,No); |
177 | SvNV(&sv_no); |
178 | SvREADONLY_on(&sv_no); |
79072805 |
179 | |
6e72f9df |
180 | sv_setpv(&sv_yes,Yes); |
181 | SvNV(&sv_yes); |
182 | SvREADONLY_on(&sv_yes); |
183 | } |
79072805 |
184 | |
c07a80fd |
185 | nrs = newSVpv("\n", 1); |
186 | rs = SvREFCNT_inc(nrs); |
187 | |
76e3520e |
188 | #ifdef PERL_OBJECT |
189 | /* TODO: */ |
190 | /* sighandlerp = sighandler; */ |
191 | #else |
c23142e2 |
192 | sighandlerp = sighandler; |
76e3520e |
193 | #endif |
44a8e56a |
194 | pidstatus = newHV(); |
195 | |
79072805 |
196 | #ifdef MSDOS |
197 | /* |
198 | * There is no way we can refer to them from Perl so close them to save |
199 | * space. The other alternative would be to provide STDAUX and STDPRN |
200 | * filehandles. |
201 | */ |
202 | (void)fclose(stdaux); |
203 | (void)fclose(stdprn); |
204 | #endif |
205 | } |
206 | |
8990e307 |
207 | #ifdef MULTIPLICITY |
8ebc5c01 |
208 | I_REINIT; |
209 | perl_destruct_level = 1; |
210 | #else |
211 | if(perl_destruct_level > 0) |
212 | I_REINIT; |
79072805 |
213 | #endif |
214 | |
748a9306 |
215 | init_ids(); |
fb73857a |
216 | lex_state = LEX_NOTPARSING; |
a5f75d66 |
217 | |
54310121 |
218 | start_env.je_prev = NULL; |
219 | start_env.je_ret = -1; |
220 | start_env.je_mustcatch = TRUE; |
221 | top_env = &start_env; |
f86702cc |
222 | STATUS_ALL_SUCCESS; |
223 | |
36477c24 |
224 | SET_NUMERIC_STANDARD(); |
a5f75d66 |
225 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 |
226 | sprintf(patchlevel, "%7.5f", (double) 5 |
227 | + ((double) PATCHLEVEL / (double) 1000) |
228 | + ((double) SUBVERSION / (double) 100000)); |
a5f75d66 |
229 | #else |
e2666263 |
230 | sprintf(patchlevel, "%5.3f", (double) 5 + |
231 | ((double) PATCHLEVEL / (double) 1000)); |
a5f75d66 |
232 | #endif |
79072805 |
233 | |
ab821d7f |
234 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df |
235 | localpatches = local_patches; /* For possible -v */ |
ab821d7f |
236 | #endif |
237 | |
760ac839 |
238 | PerlIO_init(); /* Hook to IO system */ |
239 | |
79072805 |
240 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 |
241 | |
11343788 |
242 | init_stacks(ARGS); |
243 | DEBUG( { |
244 | New(51,debname,128,char); |
245 | New(52,debdelim,128,char); |
246 | } ) |
247 | |
8990e307 |
248 | ENTER; |
79072805 |
249 | } |
250 | |
251 | void |
76e3520e |
252 | #ifdef PERL_OBJECT |
253 | CPerlObj::perl_destruct(void) |
254 | #else |
8ac85365 |
255 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e |
256 | #endif |
79072805 |
257 | { |
11343788 |
258 | dTHR; |
748a9306 |
259 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 |
260 | I32 last_sv_count; |
a0d0e21e |
261 | HV *hv; |
1f2bfc8a |
262 | #ifdef USE_THREADS |
33f46ff6 |
263 | Thread t; |
1f2bfc8a |
264 | #endif /* USE_THREADS */ |
8990e307 |
265 | |
76e3520e |
266 | #ifndef PERL_OBJECT |
79072805 |
267 | if (!(curinterp = sv_interp)) |
268 | return; |
76e3520e |
269 | #endif |
748a9306 |
270 | |
11343788 |
271 | #ifdef USE_THREADS |
0f15f207 |
272 | #ifndef FAKE_THREADS |
8023c3ce |
273 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
274 | retry_cleanup: |
33f46ff6 |
275 | MUTEX_LOCK(&threads_mutex); |
276 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
277 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 |
278 | nthreads - 1)); |
279 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 |
280 | MUTEX_LOCK(&t->mutex); |
281 | switch (ThrSTATE(t)) { |
282 | AV *av; |
c7848ba1 |
283 | case THRf_ZOMBIE: |
284 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
285 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 |
286 | ThrSETSTATE(t, THRf_DEAD); |
287 | MUTEX_UNLOCK(&t->mutex); |
288 | nthreads--; |
8023c3ce |
289 | /* |
290 | * The SvREFCNT_dec below may take a long time (e.g. av |
291 | * may contain an object scalar whose destructor gets |
292 | * called) so we have to unlock threads_mutex and start |
293 | * all over again. |
294 | */ |
605e5515 |
295 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 |
296 | JOIN(t, &av); |
605e5515 |
297 | SvREFCNT_dec((SV*)av); |
c7848ba1 |
298 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
299 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce |
300 | goto retry_cleanup; |
c7848ba1 |
301 | case THRf_R_JOINABLE: |
302 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
303 | "perl_destruct: detaching thread %p\n", t)); |
304 | ThrSETSTATE(t, THRf_R_DETACHED); |
305 | /* |
306 | * We unlock threads_mutex and t->mutex in the opposite order |
307 | * from which we locked them just so that DETACH won't |
308 | * deadlock if it panics. It's only a breach of good style |
309 | * not a bug since they are unlocks not locks. |
310 | */ |
311 | MUTEX_UNLOCK(&threads_mutex); |
312 | DETACH(t); |
313 | MUTEX_UNLOCK(&t->mutex); |
8023c3ce |
314 | goto retry_cleanup; |
c7848ba1 |
315 | default: |
316 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
317 | "perl_destruct: ignoring %p (state %u)\n", |
318 | t, ThrSTATE(t))); |
319 | MUTEX_UNLOCK(&t->mutex); |
c7848ba1 |
320 | /* fall through and out */ |
33f46ff6 |
321 | } |
322 | } |
8023c3ce |
323 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
324 | |
325 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ |
11343788 |
326 | while (nthreads > 1) |
327 | { |
33f46ff6 |
328 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
329 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 |
330 | nthreads - 1)); |
331 | COND_WAIT(&nthreads_cond, &threads_mutex); |
11343788 |
332 | } |
333 | /* At this point, we're the last thread */ |
33f46ff6 |
334 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 |
335 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 |
336 | MUTEX_DESTROY(&threads_mutex); |
11343788 |
337 | COND_DESTROY(&nthreads_cond); |
0f15f207 |
338 | #endif /* !defined(FAKE_THREADS) */ |
11343788 |
339 | #endif /* USE_THREADS */ |
340 | |
748a9306 |
341 | destruct_level = perl_destruct_level; |
4633a7c4 |
342 | #ifdef DEBUGGING |
343 | { |
344 | char *s; |
76e3520e |
345 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc |
346 | int i = atoi(s); |
347 | if (destruct_level < i) |
348 | destruct_level = i; |
349 | } |
4633a7c4 |
350 | } |
351 | #endif |
352 | |
8990e307 |
353 | LEAVE; |
a0d0e21e |
354 | FREETMPS; |
355 | |
ff0cee69 |
356 | /* We must account for everything. */ |
357 | |
358 | /* Destroy the main CV and syntax tree */ |
6e72f9df |
359 | if (main_root) { |
360 | curpad = AvARRAY(comppad); |
361 | op_free(main_root); |
ff0cee69 |
362 | main_root = Nullop; |
a0d0e21e |
363 | } |
ff0cee69 |
364 | main_start = Nullop; |
365 | SvREFCNT_dec(main_cv); |
366 | main_cv = Nullcv; |
367 | |
a0d0e21e |
368 | if (sv_objcount) { |
369 | /* |
370 | * Try to destruct global references. We do this first so that the |
371 | * destructors and destructees still exist. Some sv's might remain. |
372 | * Non-referenced objects are on their own. |
373 | */ |
374 | |
375 | dirty = TRUE; |
376 | sv_clean_objs(); |
8990e307 |
377 | } |
378 | |
5cd24f17 |
379 | /* unhook hooks which will soon be, or use, destroyed data */ |
380 | SvREFCNT_dec(warnhook); |
381 | warnhook = Nullsv; |
382 | SvREFCNT_dec(diehook); |
383 | diehook = Nullsv; |
384 | SvREFCNT_dec(parsehook); |
385 | parsehook = Nullsv; |
386 | |
a0d0e21e |
387 | if (destruct_level == 0){ |
8990e307 |
388 | |
a0d0e21e |
389 | DEBUG_P(debprofdump()); |
390 | |
391 | /* The exit() function will do everything that needs doing. */ |
392 | return; |
393 | } |
5dd60ef7 |
394 | |
5f05dabc |
395 | /* loosen bonds of global variables */ |
396 | |
8ebc5c01 |
397 | if(rsfp) { |
398 | (void)PerlIO_close(rsfp); |
399 | rsfp = Nullfp; |
400 | } |
401 | |
402 | /* Filters for program text */ |
403 | SvREFCNT_dec(rsfp_filters); |
404 | rsfp_filters = Nullav; |
405 | |
406 | /* switches */ |
407 | preprocess = FALSE; |
408 | minus_n = FALSE; |
409 | minus_p = FALSE; |
410 | minus_l = FALSE; |
411 | minus_a = FALSE; |
412 | minus_F = FALSE; |
413 | doswitches = FALSE; |
414 | dowarn = FALSE; |
415 | doextract = FALSE; |
416 | sawampersand = FALSE; /* must save all match strings */ |
417 | sawstudy = FALSE; /* do fbm_instr on all strings */ |
418 | sawvec = FALSE; |
419 | unsafe = FALSE; |
420 | |
421 | Safefree(inplace); |
422 | inplace = Nullch; |
423 | |
424 | Safefree(e_tmpname); |
425 | e_tmpname = Nullch; |
426 | |
427 | if (e_fp) { |
428 | PerlIO_close(e_fp); |
429 | e_fp = Nullfp; |
430 | } |
431 | |
432 | /* magical thingies */ |
433 | |
434 | Safefree(ofs); /* $, */ |
435 | ofs = Nullch; |
5f05dabc |
436 | |
8ebc5c01 |
437 | Safefree(ors); /* $\ */ |
438 | ors = Nullch; |
439 | |
440 | SvREFCNT_dec(nrs); /* $\ helper */ |
5f05dabc |
441 | nrs = Nullsv; |
442 | |
8ebc5c01 |
443 | multiline = 0; /* $* */ |
5f05dabc |
444 | |
8ebc5c01 |
445 | SvREFCNT_dec(statname); |
5f05dabc |
446 | statname = Nullsv; |
447 | statgv = Nullgv; |
5f05dabc |
448 | |
8ebc5c01 |
449 | /* defgv, aka *_ should be taken care of elsewhere */ |
450 | |
8ebc5c01 |
451 | /* clean up after study() */ |
452 | SvREFCNT_dec(lastscream); |
453 | lastscream = Nullsv; |
454 | Safefree(screamfirst); |
455 | screamfirst = 0; |
456 | Safefree(screamnext); |
457 | screamnext = 0; |
458 | |
459 | /* startup and shutdown function lists */ |
460 | SvREFCNT_dec(beginav); |
461 | SvREFCNT_dec(endav); |
77a005ab |
462 | SvREFCNT_dec(initav); |
5618dfe8 |
463 | beginav = Nullav; |
5618dfe8 |
464 | endav = Nullav; |
77a005ab |
465 | initav = Nullav; |
5618dfe8 |
466 | |
8ebc5c01 |
467 | /* temp stack during pp_sort() */ |
468 | SvREFCNT_dec(sortstack); |
469 | sortstack = Nullav; |
470 | |
471 | /* shortcuts just get cleared */ |
472 | envgv = Nullgv; |
473 | siggv = Nullgv; |
474 | incgv = Nullgv; |
12f917ad |
475 | errgv = Nullgv; |
8ebc5c01 |
476 | argvgv = Nullgv; |
477 | argvoutgv = Nullgv; |
478 | stdingv = Nullgv; |
479 | last_in_gv = Nullgv; |
480 | |
481 | /* reset so print() ends up where we expect */ |
482 | setdefout(Nullgv); |
483 | |
a0d0e21e |
484 | /* Prepare to destruct main symbol table. */ |
5f05dabc |
485 | |
a0d0e21e |
486 | hv = defstash; |
85e6fe83 |
487 | defstash = 0; |
a0d0e21e |
488 | SvREFCNT_dec(hv); |
489 | |
490 | FREETMPS; |
491 | if (destruct_level >= 2) { |
492 | if (scopestack_ix != 0) |
ff0cee69 |
493 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
494 | (long)scopestack_ix); |
a0d0e21e |
495 | if (savestack_ix != 0) |
ff0cee69 |
496 | warn("Unbalanced saves: %ld more saves than restores\n", |
497 | (long)savestack_ix); |
a0d0e21e |
498 | if (tmps_floor != -1) |
ff0cee69 |
499 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
500 | (long)tmps_floor + 1); |
a0d0e21e |
501 | if (cxstack_ix != -1) |
ff0cee69 |
502 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
503 | (long)cxstack_ix + 1); |
a0d0e21e |
504 | } |
8990e307 |
505 | |
506 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
8990e307 |
507 | last_sv_count = 0; |
6e72f9df |
508 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 |
509 | while (sv_count != 0 && sv_count != last_sv_count) { |
510 | last_sv_count = sv_count; |
511 | sv_clean_all(); |
512 | } |
6e72f9df |
513 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
514 | SvFLAGS(strtab) |= SVt_PVHV; |
515 | |
516 | /* Destruct the global string table. */ |
517 | { |
518 | /* Yell and reset the HeVAL() slots that are still holding refcounts, |
519 | * so that sv_free() won't fail on them. |
520 | */ |
521 | I32 riter; |
522 | I32 max; |
523 | HE *hent; |
524 | HE **array; |
525 | |
526 | riter = 0; |
527 | max = HvMAX(strtab); |
528 | array = HvARRAY(strtab); |
529 | hent = array[0]; |
530 | for (;;) { |
531 | if (hent) { |
532 | warn("Unbalanced string table refcount: (%d) for \"%s\"", |
533 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
534 | HeVAL(hent) = Nullsv; |
535 | hent = HeNEXT(hent); |
536 | } |
537 | if (!hent) { |
538 | if (++riter > max) |
539 | break; |
540 | hent = array[riter]; |
541 | } |
542 | } |
543 | } |
544 | SvREFCNT_dec(strtab); |
545 | |
8990e307 |
546 | if (sv_count != 0) |
ff0cee69 |
547 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df |
548 | |
4633a7c4 |
549 | sv_free_arenas(); |
44a8e56a |
550 | |
551 | /* No SVs have survived, need to clean out */ |
552 | linestr = NULL; |
553 | pidstatus = Nullhv; |
6e72f9df |
554 | if (origfilename) |
555 | Safefree(origfilename); |
556 | nuke_stacks(); |
fc36a67e |
557 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e |
558 | |
559 | DEBUG_P(debprofdump()); |
11343788 |
560 | #ifdef USE_THREADS |
561 | MUTEX_DESTROY(&sv_mutex); |
11343788 |
562 | MUTEX_DESTROY(&eval_mutex); |
c116a00c |
563 | COND_DESTROY(&eval_cond); |
fc36a67e |
564 | |
8023c3ce |
565 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
566 | Safefree(SvPVX(thrsv)); |
567 | Safefree(SvANY(thrsv)); |
568 | Safefree(thrsv); |
569 | thrsv = Nullsv; |
570 | #endif /* USE_THREADS */ |
571 | |
fc36a67e |
572 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
573 | |
574 | if (mess_sv) { |
575 | /* we know that type >= SVt_PV */ |
576 | SvOOK_off(mess_sv); |
577 | Safefree(SvPVX(mess_sv)); |
578 | Safefree(SvANY(mess_sv)); |
579 | Safefree(mess_sv); |
580 | mess_sv = Nullsv; |
581 | } |
79072805 |
582 | } |
583 | |
584 | void |
76e3520e |
585 | #ifdef PERL_OBJECT |
586 | CPerlObj::perl_free(void) |
587 | #else |
8ac85365 |
588 | perl_free(PerlInterpreter *sv_interp) |
76e3520e |
589 | #endif |
79072805 |
590 | { |
76e3520e |
591 | #ifdef PERL_OBJECT |
565764a8 |
592 | Safefree(this); |
76e3520e |
593 | #else |
79072805 |
594 | if (!(curinterp = sv_interp)) |
595 | return; |
596 | Safefree(sv_interp); |
76e3520e |
597 | #endif |
79072805 |
598 | } |
599 | |
600 | int |
76e3520e |
601 | #ifdef PERL_OBJECT |
602 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) |
603 | #else |
8ac85365 |
604 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e |
605 | #endif |
8d063cd8 |
606 | { |
11343788 |
607 | dTHR; |
79072805 |
608 | register SV *sv; |
8d063cd8 |
609 | register char *s; |
1a30305b |
610 | char *scriptname = NULL; |
a0d0e21e |
611 | VOL bool dosearch = FALSE; |
13281fa4 |
612 | char *validarg = ""; |
2ae324a7 |
613 | I32 oldscope; |
748a9306 |
614 | AV* comppadlist; |
54310121 |
615 | dJMPENV; |
22921e25 |
616 | int ret; |
8d063cd8 |
617 | |
a687059c |
618 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
619 | #ifdef IAMSUID |
620 | #undef IAMSUID |
463ee0b2 |
621 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c |
622 | setuid perl scripts securely.\n"); |
623 | #endif |
624 | #endif |
625 | |
76e3520e |
626 | #ifndef PERL_OBJECT |
79072805 |
627 | if (!(curinterp = sv_interp)) |
628 | return 255; |
76e3520e |
629 | #endif |
79072805 |
630 | |
6e72f9df |
631 | #if defined(NeXT) && defined(__DYNAMIC__) |
632 | _dyld_lookup_and_bind |
633 | ("__environ", (unsigned long *) &environ_pointer, NULL); |
634 | #endif /* environ */ |
635 | |
ac58e20f |
636 | origargv = argv; |
637 | origargc = argc; |
a0d0e21e |
638 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 |
639 | origenviron = environ; |
a0d0e21e |
640 | #endif |
ab821d7f |
641 | e_tmpname = Nullch; |
a0d0e21e |
642 | |
643 | if (do_undump) { |
644 | |
645 | /* Come here if running an undumped a.out. */ |
646 | |
647 | origfilename = savepv(argv[0]); |
648 | do_undump = FALSE; |
649 | cxstack_ix = -1; /* start label stack again */ |
748a9306 |
650 | init_ids(); |
a0d0e21e |
651 | init_postdump_symbols(argc,argv,env); |
652 | return 0; |
653 | } |
654 | |
ff0cee69 |
655 | if (main_root) { |
656 | curpad = AvARRAY(comppad); |
a0d0e21e |
657 | op_free(main_root); |
ff0cee69 |
658 | main_root = Nullop; |
659 | } |
660 | main_start = Nullop; |
661 | SvREFCNT_dec(main_cv); |
662 | main_cv = Nullcv; |
79072805 |
663 | |
f86702cc |
664 | time(&basetime); |
2ae324a7 |
665 | oldscope = scopestack_ix; |
f86702cc |
666 | |
22921e25 |
667 | JMPENV_PUSH(ret); |
668 | switch (ret) { |
79072805 |
669 | case 1: |
f86702cc |
670 | STATUS_ALL_FAILURE; |
671 | /* FALL THROUGH */ |
79072805 |
672 | case 2: |
f86702cc |
673 | /* my_exit() was called */ |
2ae324a7 |
674 | while (scopestack_ix > oldscope) |
675 | LEAVE; |
84902520 |
676 | FREETMPS; |
8990e307 |
677 | curstash = defstash; |
678 | if (endav) |
68dc0745 |
679 | call_list(oldscope, endav); |
54310121 |
680 | JMPENV_POP; |
f86702cc |
681 | return STATUS_NATIVE_EXPORT; |
79072805 |
682 | case 3: |
54310121 |
683 | JMPENV_POP; |
760ac839 |
684 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 |
685 | return 1; |
79072805 |
686 | } |
687 | |
79072805 |
688 | sv_setpvn(linestr,"",0); |
689 | sv = newSVpv("",0); /* first used for -I flags */ |
8990e307 |
690 | SAVEFREESV(sv); |
79072805 |
691 | init_main_stash(); |
54310121 |
692 | |
33b78306 |
693 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 |
694 | if (argv[0][0] != '-' || !argv[0][1]) |
695 | break; |
13281fa4 |
696 | #ifdef DOSUID |
697 | if (*validarg) |
698 | validarg = " PHOOEY "; |
699 | else |
700 | validarg = argv[0]; |
701 | #endif |
702 | s = argv[0]+1; |
8d063cd8 |
703 | reswitch: |
13281fa4 |
704 | switch (*s) { |
27e2fb84 |
705 | case '0': |
2304df62 |
706 | case 'F': |
378cc40b |
707 | case 'a': |
33b78306 |
708 | case 'c': |
a687059c |
709 | case 'd': |
8d063cd8 |
710 | case 'D': |
4633a7c4 |
711 | case 'h': |
33b78306 |
712 | case 'i': |
fe14fcc3 |
713 | case 'l': |
1a30305b |
714 | case 'M': |
715 | case 'm': |
33b78306 |
716 | case 'n': |
717 | case 'p': |
79072805 |
718 | case 's': |
33b78306 |
719 | case 'u': |
720 | case 'U': |
721 | case 'v': |
722 | case 'w': |
723 | if (s = moreswitches(s)) |
724 | goto reswitch; |
8d063cd8 |
725 | break; |
33b78306 |
726 | |
f86702cc |
727 | case 'T': |
728 | tainting = TRUE; |
729 | s++; |
730 | goto reswitch; |
731 | |
8d063cd8 |
732 | case 'e': |
a687059c |
733 | if (euid != uid || egid != gid) |
463ee0b2 |
734 | croak("No -e allowed in setuid scripts"); |
8d063cd8 |
735 | if (!e_fp) { |
a0d0e21e |
736 | e_tmpname = savepv(TMPPATH); |
6ad3d225 |
737 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 |
738 | if (!*e_tmpname) |
463ee0b2 |
739 | croak("Can't mktemp()"); |
760ac839 |
740 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 |
741 | if (!e_fp) |
463ee0b2 |
742 | croak("Cannot open temporary file"); |
8d063cd8 |
743 | } |
552a7a9b |
744 | if (*++s) |
745 | PerlIO_puts(e_fp,s); |
746 | else if (argv[1]) { |
760ac839 |
747 | PerlIO_puts(e_fp,argv[1]); |
33b78306 |
748 | argc--,argv++; |
749 | } |
552a7a9b |
750 | else |
751 | croak("No code specified for -e"); |
760ac839 |
752 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 |
753 | break; |
fb73857a |
754 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 |
755 | forbid_setid("-I"); |
fb73857a |
756 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 |
757 | argc--,argv++; |
8d063cd8 |
758 | } |
fb73857a |
759 | while (s && isSPACE(*s)) |
760 | ++s; |
761 | if (s && *s) { |
762 | char *e, *p; |
763 | for (e = s; *e && !isSPACE(*e); e++) ; |
764 | p = savepvn(s, e-s); |
765 | incpush(p, TRUE); |
766 | sv_catpv(sv,"-I"); |
767 | sv_catpv(sv,p); |
768 | sv_catpv(sv," "); |
769 | Safefree(p); |
770 | } /* XXX else croak? */ |
8d063cd8 |
771 | break; |
8d063cd8 |
772 | case 'P': |
bbce6d69 |
773 | forbid_setid("-P"); |
8d063cd8 |
774 | preprocess = TRUE; |
13281fa4 |
775 | s++; |
8d063cd8 |
776 | goto reswitch; |
378cc40b |
777 | case 'S': |
bbce6d69 |
778 | forbid_setid("-S"); |
378cc40b |
779 | dosearch = TRUE; |
13281fa4 |
780 | s++; |
378cc40b |
781 | goto reswitch; |
1a30305b |
782 | case 'V': |
783 | if (!preambleav) |
784 | preambleav = newAV(); |
785 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); |
786 | if (*++s != ':') { |
6e72f9df |
787 | Sv = newSVpv("print myconfig();",0); |
788 | #ifdef VMS |
789 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
790 | #else |
791 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
792 | #endif |
54310121 |
793 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c |
794 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df |
795 | # ifdef DEBUGGING |
46fc3d4c |
796 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df |
797 | # endif |
54310121 |
798 | # ifdef NO_EMBED |
46fc3d4c |
799 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df |
800 | # endif |
801 | # ifdef MULTIPLICITY |
46fc3d4c |
802 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df |
803 | # endif |
46fc3d4c |
804 | sv_catpv(Sv,"\\n\","); |
6e72f9df |
805 | #endif |
806 | #if defined(LOCAL_PATCH_COUNT) |
54310121 |
807 | if (LOCAL_PATCH_COUNT > 0) { |
808 | int i; |
5cd24f17 |
809 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df |
810 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c |
811 | if (localpatches[i]) |
812 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); |
6e72f9df |
813 | } |
814 | } |
815 | #endif |
46fc3d4c |
816 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df |
817 | #ifdef __DATE__ |
818 | # ifdef __TIME__ |
46fc3d4c |
819 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df |
820 | # else |
46fc3d4c |
821 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df |
822 | # endif |
6e72f9df |
823 | #endif |
54310121 |
824 | sv_catpv(Sv, "; \ |
825 | $\"=\"\\n \"; \ |
826 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ |
827 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
828 | print \" \\@INC:\\n @INC\\n\";"); |
1a30305b |
829 | } |
830 | else { |
831 | Sv = newSVpv("config_vars(qw(",0); |
832 | sv_catpv(Sv, ++s); |
833 | sv_catpv(Sv, "))"); |
834 | s += strlen(s); |
835 | } |
836 | av_push(preambleav, Sv); |
c07a80fd |
837 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b |
838 | goto reswitch; |
33b78306 |
839 | case 'x': |
840 | doextract = TRUE; |
13281fa4 |
841 | s++; |
33b78306 |
842 | if (*s) |
a0d0e21e |
843 | cddir = savepv(s); |
33b78306 |
844 | break; |
8d063cd8 |
845 | case 0: |
846 | break; |
fb73857a |
847 | case '-': |
848 | if (!*++s || isSPACE(*s)) { |
849 | argc--,argv++; |
850 | goto switch_end; |
851 | } |
852 | /* catch use of gnu style long options */ |
853 | if (strEQ(s, "version")) { |
854 | s = "v"; |
855 | goto reswitch; |
856 | } |
857 | if (strEQ(s, "help")) { |
858 | s = "h"; |
859 | goto reswitch; |
860 | } |
861 | s--; |
862 | /* FALL THROUGH */ |
8d063cd8 |
863 | default: |
90248788 |
864 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 |
865 | } |
866 | } |
867 | switch_end: |
54310121 |
868 | |
76e3520e |
869 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a |
870 | while (s && *s) { |
54310121 |
871 | while (isSPACE(*s)) |
872 | s++; |
873 | if (*s == '-') { |
874 | s++; |
875 | if (isSPACE(*s)) |
876 | continue; |
877 | } |
878 | if (!*s) |
879 | break; |
880 | if (!strchr("DIMUdmw", *s)) |
881 | croak("Illegal switch in PERL5OPT: -%c", *s); |
882 | s = moreswitches(s); |
883 | } |
884 | } |
885 | |
1a30305b |
886 | if (!scriptname) |
887 | scriptname = argv[0]; |
8d063cd8 |
888 | if (e_fp) { |
68dc0745 |
889 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
890 | #ifndef MULTIPLICITY |
891 | warn("Did you forget to compile with -DMULTIPLICITY?"); |
892 | #endif |
2304df62 |
893 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 |
894 | } |
ab821d7f |
895 | e_fp = Nullfp; |
8d063cd8 |
896 | argc++,argv--; |
45d8adaa |
897 | scriptname = e_tmpname; |
8d063cd8 |
898 | } |
79072805 |
899 | else if (scriptname == Nullch) { |
900 | #ifdef MSDOS |
6ad3d225 |
901 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff |
902 | moreswitches("h"); |
fe14fcc3 |
903 | #endif |
79072805 |
904 | scriptname = "-"; |
905 | } |
fe14fcc3 |
906 | |
79072805 |
907 | init_perllib(); |
8d063cd8 |
908 | |
79072805 |
909 | open_script(scriptname,dosearch,sv); |
8d063cd8 |
910 | |
96436eeb |
911 | validate_suid(validarg, scriptname); |
378cc40b |
912 | |
79072805 |
913 | if (doextract) |
914 | find_beginning(); |
915 | |
4fdae800 |
916 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 |
917 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c |
918 | CvUNIQUE_on(compcv); |
748a9306 |
919 | |
6e72f9df |
920 | comppad = newAV(); |
79072805 |
921 | av_push(comppad, Nullsv); |
922 | curpad = AvARRAY(comppad); |
6e72f9df |
923 | comppad_name = newAV(); |
8990e307 |
924 | comppad_name_fill = 0; |
e858de61 |
925 | min_intro_pending = 0; |
926 | padix = 0; |
11343788 |
927 | #ifdef USE_THREADS |
928 | av_store(comppad_name, 0, newSVpv("@_", 2)); |
e858de61 |
929 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 |
930 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 |
931 | CvOWNER(compcv) = 0; |
12ca11f6 |
932 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 |
933 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 |
934 | #endif /* USE_THREADS */ |
79072805 |
935 | |
748a9306 |
936 | comppadlist = newAV(); |
937 | AvREAL_off(comppadlist); |
8e07c86e |
938 | av_store(comppadlist, 0, (SV*)comppad_name); |
939 | av_store(comppadlist, 1, (SV*)comppad); |
748a9306 |
940 | CvPADLIST(compcv) = comppadlist; |
941 | |
6e72f9df |
942 | boot_core_UNIVERSAL(); |
c69f6586 |
943 | |
a0d0e21e |
944 | if (xsinit) |
76e3520e |
945 | (*xsinit)(THIS); /* in case linked C routines want magical variables */ |
39e571d4 |
946 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 |
947 | init_os_extras(); |
948 | #endif |
93a17b20 |
949 | |
77a005ab |
950 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
6ad3d225 |
951 | DEBUG_L(PerlProc_signal(SIGSEGV, (void(*)(int))catch_sigsegv);); |
77a005ab |
952 | #endif |
953 | |
93a17b20 |
954 | init_predump_symbols(); |
8990e307 |
955 | if (!do_undump) |
956 | init_postdump_symbols(argc,argv,env); |
93a17b20 |
957 | |
79072805 |
958 | init_lexer(); |
959 | |
960 | /* now parse the script */ |
961 | |
61bb5906 |
962 | SETERRNO(0,SS$_NORMAL); |
79072805 |
963 | error_count = 0; |
964 | if (yyparse() || error_count) { |
965 | if (minus_c) |
463ee0b2 |
966 | croak("%s had compilation errors.\n", origfilename); |
79072805 |
967 | else { |
463ee0b2 |
968 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 |
969 | origfilename); |
378cc40b |
970 | } |
79072805 |
971 | } |
972 | curcop->cop_line = 0; |
973 | curstash = defstash; |
974 | preprocess = FALSE; |
ab821d7f |
975 | if (e_tmpname) { |
79072805 |
976 | (void)UNLINK(e_tmpname); |
ab821d7f |
977 | Safefree(e_tmpname); |
978 | e_tmpname = Nullch; |
378cc40b |
979 | } |
a687059c |
980 | |
93a17b20 |
981 | /* now that script is parsed, we can modify record separator */ |
c07a80fd |
982 | SvREFCNT_dec(rs); |
983 | rs = SvREFCNT_inc(nrs); |
e1c148c2 |
984 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 |
985 | if (do_undump) |
986 | my_unexec(); |
987 | |
8990e307 |
988 | if (dowarn) |
989 | gv_check(defstash); |
990 | |
a0d0e21e |
991 | LEAVE; |
992 | FREETMPS; |
c07a80fd |
993 | |
3562ef9b |
994 | #ifdef MYMALLOC |
76e3520e |
995 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd |
996 | dump_mstats("after compilation:"); |
997 | #endif |
998 | |
a0d0e21e |
999 | ENTER; |
1000 | restartop = 0; |
54310121 |
1001 | JMPENV_POP; |
79072805 |
1002 | return 0; |
1003 | } |
1004 | |
1005 | int |
76e3520e |
1006 | #ifdef PERL_OBJECT |
1007 | CPerlObj::perl_run(void) |
1008 | #else |
8ac85365 |
1009 | perl_run(PerlInterpreter *sv_interp) |
76e3520e |
1010 | #endif |
79072805 |
1011 | { |
11343788 |
1012 | dTHR; |
2ae324a7 |
1013 | I32 oldscope; |
22921e25 |
1014 | dJMPENV; |
1015 | int ret; |
2ae324a7 |
1016 | |
76e3520e |
1017 | #ifndef PERL_OBJECT |
79072805 |
1018 | if (!(curinterp = sv_interp)) |
1019 | return 255; |
76e3520e |
1020 | #endif |
2ae324a7 |
1021 | |
1022 | oldscope = scopestack_ix; |
1023 | |
22921e25 |
1024 | JMPENV_PUSH(ret); |
1025 | switch (ret) { |
79072805 |
1026 | case 1: |
1027 | cxstack_ix = -1; /* start context stack again */ |
1028 | break; |
1029 | case 2: |
f86702cc |
1030 | /* my_exit() was called */ |
2ae324a7 |
1031 | while (scopestack_ix > oldscope) |
1032 | LEAVE; |
84902520 |
1033 | FREETMPS; |
79072805 |
1034 | curstash = defstash; |
93a17b20 |
1035 | if (endav) |
68dc0745 |
1036 | call_list(oldscope, endav); |
3562ef9b |
1037 | #ifdef MYMALLOC |
76e3520e |
1038 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd |
1039 | dump_mstats("after execution: "); |
1040 | #endif |
54310121 |
1041 | JMPENV_POP; |
f86702cc |
1042 | return STATUS_NATIVE_EXPORT; |
79072805 |
1043 | case 3: |
1044 | if (!restartop) { |
760ac839 |
1045 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
1046 | FREETMPS; |
54310121 |
1047 | JMPENV_POP; |
8990e307 |
1048 | return 1; |
83025b21 |
1049 | } |
6e72f9df |
1050 | if (curstack != mainstack) { |
79072805 |
1051 | dSP; |
6e72f9df |
1052 | SWITCHSTACK(curstack, mainstack); |
79072805 |
1053 | } |
1054 | break; |
8d063cd8 |
1055 | } |
79072805 |
1056 | |
fb73857a |
1057 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df |
1058 | sawampersand ? "Enabling" : "Omitting")); |
1059 | |
79072805 |
1060 | if (!restartop) { |
1061 | DEBUG_x(dump_all()); |
760ac839 |
1062 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 |
1063 | #ifdef USE_THREADS |
5dc0d613 |
1064 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1065 | (unsigned long) thr)); |
11343788 |
1066 | #endif /* USE_THREADS */ |
79072805 |
1067 | |
1068 | if (minus_c) { |
760ac839 |
1069 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 |
1070 | my_exit(0); |
1071 | } |
84902520 |
1072 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e |
1073 | sv_setiv(DBsingle, 1); |
7d07dbc2 |
1074 | if (initav) |
1075 | call_list(oldscope, initav); |
45d8adaa |
1076 | } |
79072805 |
1077 | |
1078 | /* do it */ |
1079 | |
1080 | if (restartop) { |
1081 | op = restartop; |
1082 | restartop = 0; |
76e3520e |
1083 | CALLRUNOPS(); |
79072805 |
1084 | } |
1085 | else if (main_start) { |
4fdae800 |
1086 | CvDEPTH(main_cv) = 1; |
79072805 |
1087 | op = main_start; |
76e3520e |
1088 | CALLRUNOPS(); |
79072805 |
1089 | } |
79072805 |
1090 | |
1091 | my_exit(0); |
54310121 |
1092 | /* NOTREACHED */ |
a0d0e21e |
1093 | return 0; |
79072805 |
1094 | } |
1095 | |
a0d0e21e |
1096 | SV* |
8ac85365 |
1097 | perl_get_sv(char *name, I32 create) |
a0d0e21e |
1098 | { |
2faa37cc |
1099 | GV *gv; |
38a03e6e |
1100 | #ifdef USE_THREADS |
2faa37cc |
1101 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d |
1102 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc |
1103 | if (tmp != NOT_IN_PAD) { |
1104 | dTHR; |
940cb80d |
1105 | return THREADSV(tmp); |
2faa37cc |
1106 | } |
38a03e6e |
1107 | } |
1108 | #endif /* USE_THREADS */ |
2faa37cc |
1109 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e |
1110 | if (gv) |
1111 | return GvSV(gv); |
1112 | return Nullsv; |
1113 | } |
1114 | |
1115 | AV* |
8ac85365 |
1116 | perl_get_av(char *name, I32 create) |
a0d0e21e |
1117 | { |
1118 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); |
1119 | if (create) |
1120 | return GvAVn(gv); |
1121 | if (gv) |
1122 | return GvAV(gv); |
1123 | return Nullav; |
1124 | } |
1125 | |
1126 | HV* |
8ac85365 |
1127 | perl_get_hv(char *name, I32 create) |
a0d0e21e |
1128 | { |
1129 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1130 | if (create) |
1131 | return GvHVn(gv); |
1132 | if (gv) |
1133 | return GvHV(gv); |
1134 | return Nullhv; |
1135 | } |
1136 | |
1137 | CV* |
8ac85365 |
1138 | perl_get_cv(char *name, I32 create) |
a0d0e21e |
1139 | { |
1140 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); |
8ebc5c01 |
1141 | if (create && !GvCVu(gv)) |
774d564b |
1142 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e |
1143 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 |
1144 | Nullop, |
a0d0e21e |
1145 | Nullop); |
1146 | if (gv) |
8ebc5c01 |
1147 | return GvCVu(gv); |
a0d0e21e |
1148 | return Nullcv; |
1149 | } |
1150 | |
79072805 |
1151 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1152 | |
a0d0e21e |
1153 | I32 |
22239a37 |
1154 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 |
1155 | |
1156 | /* See G_* flags in cop.h */ |
1157 | /* null terminated arg list */ |
8990e307 |
1158 | { |
a0d0e21e |
1159 | dSP; |
8990e307 |
1160 | |
a0d0e21e |
1161 | PUSHMARK(sp); |
1162 | if (argv) { |
8990e307 |
1163 | while (*argv) { |
a0d0e21e |
1164 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 |
1165 | argv++; |
1166 | } |
a0d0e21e |
1167 | PUTBACK; |
8990e307 |
1168 | } |
22239a37 |
1169 | return perl_call_pv(sub_name, flags); |
8990e307 |
1170 | } |
1171 | |
a0d0e21e |
1172 | I32 |
22239a37 |
1173 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 |
1174 | /* name of the subroutine */ |
1175 | /* See G_* flags in cop.h */ |
a0d0e21e |
1176 | { |
22239a37 |
1177 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e |
1178 | } |
1179 | |
1180 | I32 |
8ac85365 |
1181 | perl_call_method(char *methname, I32 flags) |
1182 | /* name of the subroutine */ |
1183 | /* See G_* flags in cop.h */ |
a0d0e21e |
1184 | { |
1185 | dSP; |
1186 | OP myop; |
1187 | if (!op) |
1188 | op = &myop; |
1189 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1190 | PUTBACK; |
11343788 |
1191 | pp_method(ARGS); |
a0d0e21e |
1192 | return perl_call_sv(*stack_sp--, flags); |
1193 | } |
1194 | |
1195 | /* May be called with any of a CV, a GV, or an SV containing the name. */ |
1196 | I32 |
8ac85365 |
1197 | perl_call_sv(SV *sv, I32 flags) |
1198 | |
1199 | /* See G_* flags in cop.h */ |
a0d0e21e |
1200 | { |
11343788 |
1201 | dTHR; |
a0d0e21e |
1202 | LOGOP myop; /* fake syntax tree node */ |
1203 | SV** sp = stack_sp; |
aa689395 |
1204 | I32 oldmark; |
a0d0e21e |
1205 | I32 retval; |
a0d0e21e |
1206 | I32 oldscope; |
54310121 |
1207 | bool oldcatch = CATCH_GET; |
1208 | dJMPENV; |
22921e25 |
1209 | int ret; |
d6602a8c |
1210 | OP* oldop = op; |
1e422769 |
1211 | |
a0d0e21e |
1212 | if (flags & G_DISCARD) { |
1213 | ENTER; |
1214 | SAVETMPS; |
1215 | } |
1216 | |
aa689395 |
1217 | Zero(&myop, 1, LOGOP); |
54310121 |
1218 | myop.op_next = Nullop; |
f51d4af5 |
1219 | if (!(flags & G_NOARGS)) |
aa689395 |
1220 | myop.op_flags |= OPf_STACKED; |
54310121 |
1221 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1222 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1223 | OPf_WANT_SCALAR); |
462e5cf6 |
1224 | SAVEOP(); |
a0d0e21e |
1225 | op = (OP*)&myop; |
aa689395 |
1226 | |
a0d0e21e |
1227 | EXTEND(stack_sp, 1); |
1228 | *++stack_sp = sv; |
aa689395 |
1229 | oldmark = TOPMARK; |
a0d0e21e |
1230 | oldscope = scopestack_ix; |
1231 | |
84902520 |
1232 | if (PERLDB_SUB && curstash != debstash |
36477c24 |
1233 | /* Handle first BEGIN of -d. */ |
1234 | && (DBcv || (DBcv = GvCV(DBsub))) |
1235 | /* Try harder, since this may have been a sighandler, thus |
1236 | * curstash may be meaningless. */ |
1237 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) |
6e72f9df |
1238 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e |
1239 | |
1240 | if (flags & G_EVAL) { |
a0d0e21e |
1241 | cLOGOP->op_other = op; |
1242 | markstack_ptr--; |
4633a7c4 |
1243 | /* we're trying to emulate pp_entertry() here */ |
1244 | { |
c09156bb |
1245 | register PERL_CONTEXT *cx; |
54310121 |
1246 | I32 gimme = GIMME_V; |
4633a7c4 |
1247 | |
1248 | ENTER; |
1249 | SAVETMPS; |
1250 | |
1251 | push_return(op->op_next); |
1252 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); |
1253 | PUSHEVAL(cx, 0, 0); |
1254 | eval_root = op; /* Only needed so that goto works right. */ |
1255 | |
1256 | in_eval = 1; |
1257 | if (flags & G_KEEPERR) |
1258 | in_eval |= 4; |
1259 | else |
38a03e6e |
1260 | sv_setpv(ERRSV,""); |
4633a7c4 |
1261 | } |
a0d0e21e |
1262 | markstack_ptr++; |
1263 | |
22921e25 |
1264 | JMPENV_PUSH(ret); |
1265 | switch (ret) { |
a0d0e21e |
1266 | case 0: |
1267 | break; |
1268 | case 1: |
f86702cc |
1269 | STATUS_ALL_FAILURE; |
a0d0e21e |
1270 | /* FALL THROUGH */ |
1271 | case 2: |
1272 | /* my_exit() was called */ |
1273 | curstash = defstash; |
1274 | FREETMPS; |
54310121 |
1275 | JMPENV_POP; |
a0d0e21e |
1276 | if (statusvalue) |
1277 | croak("Callback called exit"); |
f86702cc |
1278 | my_exit_jump(); |
a0d0e21e |
1279 | /* NOTREACHED */ |
1280 | case 3: |
1281 | if (restartop) { |
1282 | op = restartop; |
1283 | restartop = 0; |
54310121 |
1284 | break; |
a0d0e21e |
1285 | } |
1286 | stack_sp = stack_base + oldmark; |
1287 | if (flags & G_ARRAY) |
1288 | retval = 0; |
1289 | else { |
1290 | retval = 1; |
1291 | *++stack_sp = &sv_undef; |
1292 | } |
1293 | goto cleanup; |
1294 | } |
1295 | } |
1e422769 |
1296 | else |
54310121 |
1297 | CATCH_SET(TRUE); |
a0d0e21e |
1298 | |
1299 | if (op == (OP*)&myop) |
11343788 |
1300 | op = pp_entersub(ARGS); |
a0d0e21e |
1301 | if (op) |
76e3520e |
1302 | CALLRUNOPS(); |
a0d0e21e |
1303 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 |
1304 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e |
1305 | sv_setpv(ERRSV,""); |
a0d0e21e |
1306 | |
1307 | cleanup: |
1308 | if (flags & G_EVAL) { |
1309 | if (scopestack_ix > oldscope) { |
a0a2876f |
1310 | SV **newsp; |
1311 | PMOP *newpm; |
1312 | I32 gimme; |
c09156bb |
1313 | register PERL_CONTEXT *cx; |
a0a2876f |
1314 | I32 optype; |
1315 | |
1316 | POPBLOCK(cx,newpm); |
1317 | POPEVAL(cx); |
1318 | pop_return(); |
1319 | curpm = newpm; |
1320 | LEAVE; |
a0d0e21e |
1321 | } |
54310121 |
1322 | JMPENV_POP; |
a0d0e21e |
1323 | } |
1e422769 |
1324 | else |
54310121 |
1325 | CATCH_SET(oldcatch); |
1e422769 |
1326 | |
a0d0e21e |
1327 | if (flags & G_DISCARD) { |
1328 | stack_sp = stack_base + oldmark; |
1329 | retval = 0; |
1330 | FREETMPS; |
1331 | LEAVE; |
1332 | } |
d6602a8c |
1333 | op = oldop; |
a0d0e21e |
1334 | return retval; |
1335 | } |
1336 | |
6e72f9df |
1337 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 |
1338 | |
a0d0e21e |
1339 | I32 |
8ac85365 |
1340 | perl_eval_sv(SV *sv, I32 flags) |
1341 | |
1342 | /* See G_* flags in cop.h */ |
a0d0e21e |
1343 | { |
11343788 |
1344 | dTHR; |
a0d0e21e |
1345 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 |
1346 | SV** sp = stack_sp; |
1347 | I32 oldmark = sp - stack_base; |
1348 | I32 retval; |
4633a7c4 |
1349 | I32 oldscope; |
54310121 |
1350 | dJMPENV; |
22921e25 |
1351 | int ret; |
84902520 |
1352 | OP* oldop = op; |
1353 | |
4633a7c4 |
1354 | if (flags & G_DISCARD) { |
1355 | ENTER; |
1356 | SAVETMPS; |
1357 | } |
1358 | |
462e5cf6 |
1359 | SAVEOP(); |
79072805 |
1360 | op = (OP*)&myop; |
a0d0e21e |
1361 | Zero(op, 1, UNOP); |
4633a7c4 |
1362 | EXTEND(stack_sp, 1); |
1363 | *++stack_sp = sv; |
1364 | oldscope = scopestack_ix; |
79072805 |
1365 | |
4633a7c4 |
1366 | if (!(flags & G_NOARGS)) |
1367 | myop.op_flags = OPf_STACKED; |
79072805 |
1368 | myop.op_next = Nullop; |
6e72f9df |
1369 | myop.op_type = OP_ENTEREVAL; |
54310121 |
1370 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1371 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1372 | OPf_WANT_SCALAR); |
6e72f9df |
1373 | if (flags & G_KEEPERR) |
1374 | myop.op_flags |= OPf_SPECIAL; |
4633a7c4 |
1375 | |
22921e25 |
1376 | JMPENV_PUSH(ret); |
1377 | switch (ret) { |
4633a7c4 |
1378 | case 0: |
1379 | break; |
1380 | case 1: |
f86702cc |
1381 | STATUS_ALL_FAILURE; |
4633a7c4 |
1382 | /* FALL THROUGH */ |
1383 | case 2: |
1384 | /* my_exit() was called */ |
1385 | curstash = defstash; |
1386 | FREETMPS; |
54310121 |
1387 | JMPENV_POP; |
4633a7c4 |
1388 | if (statusvalue) |
1389 | croak("Callback called exit"); |
f86702cc |
1390 | my_exit_jump(); |
4633a7c4 |
1391 | /* NOTREACHED */ |
1392 | case 3: |
1393 | if (restartop) { |
1394 | op = restartop; |
1395 | restartop = 0; |
54310121 |
1396 | break; |
4633a7c4 |
1397 | } |
1398 | stack_sp = stack_base + oldmark; |
1399 | if (flags & G_ARRAY) |
1400 | retval = 0; |
1401 | else { |
1402 | retval = 1; |
1403 | *++stack_sp = &sv_undef; |
1404 | } |
1405 | goto cleanup; |
1406 | } |
1407 | |
1408 | if (op == (OP*)&myop) |
11343788 |
1409 | op = pp_entereval(ARGS); |
4633a7c4 |
1410 | if (op) |
76e3520e |
1411 | CALLRUNOPS(); |
4633a7c4 |
1412 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df |
1413 | if (!(flags & G_KEEPERR)) |
38a03e6e |
1414 | sv_setpv(ERRSV,""); |
4633a7c4 |
1415 | |
1416 | cleanup: |
54310121 |
1417 | JMPENV_POP; |
4633a7c4 |
1418 | if (flags & G_DISCARD) { |
1419 | stack_sp = stack_base + oldmark; |
1420 | retval = 0; |
1421 | FREETMPS; |
1422 | LEAVE; |
1423 | } |
84902520 |
1424 | op = oldop; |
4633a7c4 |
1425 | return retval; |
1426 | } |
1427 | |
137443ea |
1428 | SV* |
8ac85365 |
1429 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea |
1430 | { |
1431 | dSP; |
1432 | SV* sv = newSVpv(p, 0); |
1433 | |
1434 | PUSHMARK(sp); |
1435 | perl_eval_sv(sv, G_SCALAR); |
1436 | SvREFCNT_dec(sv); |
1437 | |
1438 | SPAGAIN; |
1439 | sv = POPs; |
1440 | PUTBACK; |
1441 | |
38a03e6e |
1442 | if (croak_on_error && SvTRUE(ERRSV)) |
1443 | croak(SvPVx(ERRSV, na)); |
137443ea |
1444 | |
1445 | return sv; |
1446 | } |
1447 | |
4633a7c4 |
1448 | /* Require a module. */ |
1449 | |
1450 | void |
8ac85365 |
1451 | perl_require_pv(char *pv) |
4633a7c4 |
1452 | { |
1453 | SV* sv = sv_newmortal(); |
1454 | sv_setpv(sv, "require '"); |
1455 | sv_catpv(sv, pv); |
1456 | sv_catpv(sv, "'"); |
1457 | perl_eval_sv(sv, G_DISCARD); |
79072805 |
1458 | } |
1459 | |
79072805 |
1460 | void |
8ac85365 |
1461 | magicname(char *sym, char *name, I32 namlen) |
79072805 |
1462 | { |
1463 | register GV *gv; |
1464 | |
85e6fe83 |
1465 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 |
1466 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1467 | } |
1468 | |
76e3520e |
1469 | STATIC void |
8ac85365 |
1470 | usage(char *name) /* XXX move this out into a module ? */ |
1471 | |
4633a7c4 |
1472 | { |
ab821d7f |
1473 | /* This message really ought to be max 23 lines. |
1474 | * Removed -h because the user already knows that opton. Others? */ |
fb73857a |
1475 | |
76e3520e |
1476 | static char *usage_msg[] = { |
fb73857a |
1477 | "-0[octal] specify record separator (\\0, if no argument)", |
1478 | "-a autosplit mode with -n or -p (splits $_ into @F)", |
1479 | "-c check syntax only (runs BEGIN and END blocks)", |
1480 | "-d[:debugger] run scripts under debugger", |
1481 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", |
1482 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", |
1483 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", |
1484 | "-i[extension] edit <> files in place (make backup if extension supplied)", |
1485 | "-Idirectory specify @INC/#include directory (may be used more than once)", |
1486 | "-l[octal] enable line ending processing, specifies line terminator", |
1487 | "-[mM][-]module.. executes `use/no module...' before executing your script.", |
1488 | "-n assume 'while (<>) { ... }' loop around your script", |
1489 | "-p assume loop like -n but print line also like sed", |
1490 | "-P run script through C preprocessor before compilation", |
1491 | "-s enable some switch parsing for switches after script name", |
1492 | "-S look for the script using PATH environment variable", |
1493 | "-T turn on tainting checks", |
1494 | "-u dump core after parsing script", |
1495 | "-U allow unsafe operations", |
1496 | "-v print version number and patchlevel of perl", |
1497 | "-V[:variable] print perl configuration information", |
1498 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", |
1499 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
1500 | "\n", |
1501 | NULL |
1502 | }; |
76e3520e |
1503 | char **p = usage_msg; |
fb73857a |
1504 | |
ab821d7f |
1505 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a |
1506 | while (*p) |
1507 | printf("\n %s", *p++); |
4633a7c4 |
1508 | } |
1509 | |
79072805 |
1510 | /* This routine handles any switches that can be given during run */ |
1511 | |
1512 | char * |
8ac85365 |
1513 | moreswitches(char *s) |
79072805 |
1514 | { |
1515 | I32 numlen; |
c07a80fd |
1516 | U32 rschar; |
79072805 |
1517 | |
1518 | switch (*s) { |
1519 | case '0': |
a863c7d1 |
1520 | { |
1521 | dTHR; |
c07a80fd |
1522 | rschar = scan_oct(s, 4, &numlen); |
1523 | SvREFCNT_dec(nrs); |
1524 | if (rschar & ~((U8)~0)) |
1525 | nrs = &sv_undef; |
1526 | else if (!rschar && numlen >= 2) |
1527 | nrs = newSVpv("", 0); |
1528 | else { |
1529 | char ch = rschar; |
1530 | nrs = newSVpv(&ch, 1); |
79072805 |
1531 | } |
1532 | return s + numlen; |
a863c7d1 |
1533 | } |
2304df62 |
1534 | case 'F': |
1535 | minus_F = TRUE; |
a0d0e21e |
1536 | splitstr = savepv(s + 1); |
2304df62 |
1537 | s += strlen(s); |
1538 | return s; |
79072805 |
1539 | case 'a': |
1540 | minus_a = TRUE; |
1541 | s++; |
1542 | return s; |
1543 | case 'c': |
1544 | minus_c = TRUE; |
1545 | s++; |
1546 | return s; |
1547 | case 'd': |
bbce6d69 |
1548 | forbid_setid("-d"); |
4633a7c4 |
1549 | s++; |
c07a80fd |
1550 | if (*s == ':' || *s == '=') { |
46fc3d4c |
1551 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 |
1552 | s += strlen(s); |
4633a7c4 |
1553 | } |
a0d0e21e |
1554 | if (!perldb) { |
84902520 |
1555 | perldb = PERLDB_ALL; |
a0d0e21e |
1556 | init_debugger(); |
1557 | } |
79072805 |
1558 | return s; |
1559 | case 'D': |
1560 | #ifdef DEBUGGING |
bbce6d69 |
1561 | forbid_setid("-D"); |
79072805 |
1562 | if (isALPHA(s[1])) { |
8990e307 |
1563 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 |
1564 | char *d; |
1565 | |
93a17b20 |
1566 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 |
1567 | debug |= 1 << (d - debopts); |
1568 | } |
1569 | else { |
1570 | debug = atoi(s+1); |
1571 | for (s++; isDIGIT(*s); s++) ; |
1572 | } |
8990e307 |
1573 | debug |= 0x80000000; |
79072805 |
1574 | #else |
1575 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e |
1576 | for (s++; isALNUM(*s); s++) ; |
79072805 |
1577 | #endif |
1578 | /*SUPPRESS 530*/ |
1579 | return s; |
4633a7c4 |
1580 | case 'h': |
1581 | usage(origargv[0]); |
6ad3d225 |
1582 | PerlProc_exit(0); |
79072805 |
1583 | case 'i': |
1584 | if (inplace) |
1585 | Safefree(inplace); |
a0d0e21e |
1586 | inplace = savepv(s+1); |
79072805 |
1587 | /*SUPPRESS 530*/ |
1588 | for (s = inplace; *s && !isSPACE(*s); s++) ; |
fb73857a |
1589 | if (*s) |
1590 | *s++ = '\0'; |
1591 | return s; |
1592 | case 'I': /* -I handled both here and in parse_perl() */ |
bbce6d69 |
1593 | forbid_setid("-I"); |
fb73857a |
1594 | ++s; |
1595 | while (*s && isSPACE(*s)) |
1596 | ++s; |
1597 | if (*s) { |
774d564b |
1598 | char *e, *p; |
748a9306 |
1599 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b |
1600 | p = savepvn(s, e-s); |
1601 | incpush(p, TRUE); |
1602 | Safefree(p); |
fb73857a |
1603 | s = e; |
79072805 |
1604 | } |
1605 | else |
463ee0b2 |
1606 | croak("No space allowed after -I"); |
fb73857a |
1607 | return s; |
79072805 |
1608 | case 'l': |
1609 | minus_l = TRUE; |
1610 | s++; |
a0d0e21e |
1611 | if (ors) |
1612 | Safefree(ors); |
79072805 |
1613 | if (isDIGIT(*s)) { |
a0d0e21e |
1614 | ors = savepv("\n"); |
79072805 |
1615 | orslen = 1; |
1616 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); |
1617 | s += numlen; |
1618 | } |
1619 | else { |
a863c7d1 |
1620 | dTHR; |
c07a80fd |
1621 | if (RsPARA(nrs)) { |
6e72f9df |
1622 | ors = "\n\n"; |
c07a80fd |
1623 | orslen = 2; |
1624 | } |
1625 | else |
1626 | ors = SvPV(nrs, orslen); |
6e72f9df |
1627 | ors = savepvn(ors, orslen); |
79072805 |
1628 | } |
1629 | return s; |
1a30305b |
1630 | case 'M': |
bbce6d69 |
1631 | forbid_setid("-M"); /* XXX ? */ |
1a30305b |
1632 | /* FALL THROUGH */ |
1633 | case 'm': |
bbce6d69 |
1634 | forbid_setid("-m"); /* XXX ? */ |
1a30305b |
1635 | if (*++s) { |
a5f75d66 |
1636 | char *start; |
11343788 |
1637 | SV *sv; |
a5f75d66 |
1638 | char *use = "use "; |
1639 | /* -M-foo == 'no foo' */ |
1640 | if (*s == '-') { use = "no "; ++s; } |
11343788 |
1641 | sv = newSVpv(use,0); |
a5f75d66 |
1642 | start = s; |
1a30305b |
1643 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd |
1644 | while(isALNUM(*s) || *s==':') ++s; |
1645 | if (*s != '=') { |
11343788 |
1646 | sv_catpv(sv, start); |
c07a80fd |
1647 | if (*(start-1) == 'm') { |
1648 | if (*s != '\0') |
1649 | croak("Can't use '%c' after -mname", *s); |
11343788 |
1650 | sv_catpv( sv, " ()"); |
c07a80fd |
1651 | } |
1652 | } else { |
11343788 |
1653 | sv_catpvn(sv, start, s-start); |
1654 | sv_catpv(sv, " split(/,/,q{"); |
1655 | sv_catpv(sv, ++s); |
1656 | sv_catpv(sv, "})"); |
c07a80fd |
1657 | } |
1a30305b |
1658 | s += strlen(s); |
c07a80fd |
1659 | if (preambleav == NULL) |
1660 | preambleav = newAV(); |
11343788 |
1661 | av_push(preambleav, sv); |
1a30305b |
1662 | } |
1663 | else |
1664 | croak("No space allowed after -%c", *(s-1)); |
1665 | return s; |
79072805 |
1666 | case 'n': |
1667 | minus_n = TRUE; |
1668 | s++; |
1669 | return s; |
1670 | case 'p': |
1671 | minus_p = TRUE; |
1672 | s++; |
1673 | return s; |
1674 | case 's': |
bbce6d69 |
1675 | forbid_setid("-s"); |
79072805 |
1676 | doswitches = TRUE; |
1677 | s++; |
1678 | return s; |
463ee0b2 |
1679 | case 'T': |
f86702cc |
1680 | if (!tainting) |
9607fc9c |
1681 | croak("Too late for \"-T\" option"); |
463ee0b2 |
1682 | s++; |
1683 | return s; |
79072805 |
1684 | case 'u': |
1685 | do_undump = TRUE; |
1686 | s++; |
1687 | return s; |
1688 | case 'U': |
1689 | unsafe = TRUE; |
1690 | s++; |
1691 | return s; |
1692 | case 'v': |
a5f75d66 |
1693 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a |
1694 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1695 | PATCHLEVEL, SUBVERSION, ARCHNAME); |
a5f75d66 |
1696 | #else |
fb73857a |
1697 | printf("\nThis is perl, version %s built for %s", |
1698 | patchlevel, ARCHNAME); |
1699 | #endif |
1700 | #if defined(LOCAL_PATCH_COUNT) |
1701 | if (LOCAL_PATCH_COUNT > 0) |
1702 | printf("\n(with %d registered patch%s, see perl -V for more detail)", |
1703 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 |
1704 | #endif |
1a30305b |
1705 | |
a411490c |
1706 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 |
1707 | #ifdef MSDOS |
fb73857a |
1708 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff |
1709 | #endif |
1710 | #ifdef DJGPP |
1711 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); |
39e571d4 |
1712 | printf("djgpp v2 port (perl5004) by Laszlo Molnar, 1997\n"); |
4633a7c4 |
1713 | #endif |
79072805 |
1714 | #ifdef OS2 |
5dd60ef7 |
1715 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c |
1716 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 |
1717 | #endif |
79072805 |
1718 | #ifdef atarist |
760ac839 |
1719 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 |
1720 | #endif |
760ac839 |
1721 | printf("\n\ |
79072805 |
1722 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 |
1723 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
6ad3d225 |
1724 | PerlProc_exit(0); |
79072805 |
1725 | case 'w': |
1726 | dowarn = TRUE; |
1727 | s++; |
1728 | return s; |
a0d0e21e |
1729 | case '*': |
79072805 |
1730 | case ' ': |
1731 | if (s[1] == '-') /* Additional switches on #! line. */ |
1732 | return s+2; |
1733 | break; |
a0d0e21e |
1734 | case '-': |
79072805 |
1735 | case 0: |
a868473f |
1736 | #ifdef WIN32 |
1737 | case '\r': |
1738 | #endif |
79072805 |
1739 | case '\n': |
1740 | case '\t': |
1741 | break; |
aa689395 |
1742 | #ifdef ALTERNATE_SHEBANG |
1743 | case 'S': /* OS/2 needs -S on "extproc" line. */ |
1744 | break; |
1745 | #endif |
a0d0e21e |
1746 | case 'P': |
1747 | if (preprocess) |
1748 | return s+1; |
1749 | /* FALL THROUGH */ |
79072805 |
1750 | default: |
a0d0e21e |
1751 | croak("Can't emulate -%.1s on #! line",s); |
79072805 |
1752 | } |
1753 | return Nullch; |
1754 | } |
1755 | |
1756 | /* compliments of Tom Christiansen */ |
1757 | |
1758 | /* unexec() can be found in the Gnu emacs distribution */ |
1759 | |
1760 | void |
8ac85365 |
1761 | my_unexec(void) |
79072805 |
1762 | { |
1763 | #ifdef UNEXEC |
46fc3d4c |
1764 | SV* prog; |
1765 | SV* file; |
79072805 |
1766 | int status; |
1767 | extern int etext; |
1768 | |
46fc3d4c |
1769 | prog = newSVpv(BIN_EXP); |
1770 | sv_catpv(prog, "/perl"); |
1771 | file = newSVpv(origfilename); |
1772 | sv_catpv(file, ".perldump"); |
79072805 |
1773 | |
46fc3d4c |
1774 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 |
1775 | if (status) |
46fc3d4c |
1776 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1777 | SvPVX(prog), SvPVX(file)); |
6ad3d225 |
1778 | PerlProc_exit(status); |
79072805 |
1779 | #else |
a5f75d66 |
1780 | # ifdef VMS |
1781 | # include <lib$routines.h> |
1782 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
aa689395 |
1783 | # else |
79072805 |
1784 | ABORT(); /* for use with undump */ |
aa689395 |
1785 | # endif |
a5f75d66 |
1786 | #endif |
79072805 |
1787 | } |
1788 | |
76e3520e |
1789 | STATIC void |
8ac85365 |
1790 | init_main_stash(void) |
79072805 |
1791 | { |
11343788 |
1792 | dTHR; |
463ee0b2 |
1793 | GV *gv; |
6e72f9df |
1794 | |
1795 | /* Note that strtab is a rather special HV. Assumptions are made |
1796 | about not iterating on it, and not adding tie magic to it. |
1797 | It is properly deallocated in perl_destruct() */ |
1798 | strtab = newHV(); |
1799 | HvSHAREKEYS_off(strtab); /* mandatory */ |
1800 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, |
1801 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); |
1802 | |
463ee0b2 |
1803 | curstash = defstash = newHV(); |
79072805 |
1804 | curstname = newSVpv("main",4); |
adbc6bb1 |
1805 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1806 | SvREFCNT_dec(GvHV(gv)); |
1807 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); |
463ee0b2 |
1808 | SvREADONLY_on(gv); |
a0d0e21e |
1809 | HvNAME(defstash) = savepv("main"); |
85e6fe83 |
1810 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 |
1811 | GvMULTI_on(incgv); |
a0d0e21e |
1812 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad |
1813 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1814 | GvMULTI_on(errgv); |
84902520 |
1815 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e |
1816 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1817 | sv_setpvn(ERRSV, "", 0); |
8990e307 |
1818 | curstash = defstash; |
1819 | compiling.cop_stash = defstash; |
adbc6bb1 |
1820 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 |
1821 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 |
1822 | /* We must init $/ before switches are processed. */ |
1823 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); |
79072805 |
1824 | } |
1825 | |
a0d0e21e |
1826 | #ifdef CAN_PROTOTYPE |
76e3520e |
1827 | STATIC void |
a0d0e21e |
1828 | open_script(char *scriptname, bool dosearch, SV *sv) |
1829 | #else |
76e3520e |
1830 | STATIC void |
79072805 |
1831 | open_script(scriptname,dosearch,sv) |
1832 | char *scriptname; |
1833 | bool dosearch; |
1834 | SV *sv; |
a0d0e21e |
1835 | #endif |
79072805 |
1836 | { |
0f15f207 |
1837 | dTHR; |
79072805 |
1838 | char *xfound = Nullch; |
1839 | char *xfailed = Nullch; |
1840 | register char *s; |
1841 | I32 len; |
a38d6535 |
1842 | int retval; |
1843 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) |
fc36a67e |
1844 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1845 | # define MAX_EXT_LEN 4 |
a38d6535 |
1846 | #endif |
d8c2d278 |
1847 | #ifdef OS2 |
1848 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL |
1849 | # define MAX_EXT_LEN 4 |
1850 | #endif |
ab821d7f |
1851 | #ifdef VMS |
1852 | # define SEARCH_EXTS ".pl", ".com", NULL |
fc36a67e |
1853 | # define MAX_EXT_LEN 4 |
ab821d7f |
1854 | #endif |
a38d6535 |
1855 | /* additional extensions to try in each dir if scriptname not found */ |
1856 | #ifdef SEARCH_EXTS |
1857 | char *ext[] = { SEARCH_EXTS }; |
2a92aaa0 |
1858 | int extidx = 0, i = 0; |
1859 | char *curext = Nullch; |
fc36a67e |
1860 | #else |
1861 | # define MAX_EXT_LEN 0 |
a38d6535 |
1862 | #endif |
79072805 |
1863 | |
2a92aaa0 |
1864 | /* |
1865 | * If dosearch is true and if scriptname does not contain path |
1866 | * delimiters, search the PATH for scriptname. |
1867 | * |
1868 | * If SEARCH_EXTS is also defined, will look for each |
1869 | * scriptname{SEARCH_EXTS} whenever scriptname is not found |
1870 | * while searching the PATH. |
1871 | * |
1872 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search |
1873 | * proceeds as follows: |
61bb5906 |
1874 | * If DOSISH or VMSISH: |
2a92aaa0 |
1875 | * + look for ./scriptname{,.foo,.bar} |
1876 | * + search the PATH for scriptname{,.foo,.bar} |
1877 | * |
1878 | * If !DOSISH: |
1879 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note |
1880 | * this will not look in '.' if it's not in the PATH) |
1881 | */ |
1882 | |
c07a80fd |
1883 | #ifdef VMS |
61bb5906 |
1884 | # ifdef ALWAYS_DEFTYPES |
1885 | len = strlen(scriptname); |
1886 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { |
1887 | int hasdir, idx = 0, deftypes = 1; |
1888 | bool seen_dot = 1; |
1889 | |
1890 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; |
1891 | # else |
6e72f9df |
1892 | if (dosearch) { |
1893 | int hasdir, idx = 0, deftypes = 1; |
1a2dec3c |
1894 | bool seen_dot = 1; |
6e72f9df |
1895 | |
1896 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; |
61bb5906 |
1897 | # endif |
6e72f9df |
1898 | /* The first time through, just add SEARCH_EXTS to whatever we |
1899 | * already have, so we can check for default file types. */ |
fc36a67e |
1900 | while (deftypes || |
1901 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) |
1902 | { |
1903 | if (deftypes) { |
1904 | deftypes = 0; |
1905 | *tokenbuf = '\0'; |
1906 | } |
1907 | if ((strlen(tokenbuf) + strlen(scriptname) |
1908 | + MAX_EXT_LEN) >= sizeof tokenbuf) |
1909 | continue; /* don't search dir with too-long name */ |
1910 | strcat(tokenbuf, scriptname); |
c07a80fd |
1911 | #else /* !VMS */ |
2a92aaa0 |
1912 | |
fc36a67e |
1913 | #ifdef DOSISH |
2a92aaa0 |
1914 | if (strEQ(scriptname, "-")) |
84902520 |
1915 | dosearch = 0; |
2a92aaa0 |
1916 | if (dosearch) { /* Look in '.' first. */ |
1917 | char *cur = scriptname; |
1918 | #ifdef SEARCH_EXTS |
1919 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ |
1920 | while (ext[i]) |
1921 | if (strEQ(ext[i++],curext)) { |
1922 | extidx = -1; /* already has an ext */ |
1923 | break; |
1924 | } |
1925 | do { |
79072805 |
1926 | #endif |
2a92aaa0 |
1927 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1928 | "Looking for %s\n",cur)); |
76e3520e |
1929 | if (PerlLIO_stat(cur,&statbuf) >= 0) { |
2a92aaa0 |
1930 | dosearch = 0; |
1931 | scriptname = cur; |
84902520 |
1932 | #ifdef SEARCH_EXTS |
2a92aaa0 |
1933 | break; |
84902520 |
1934 | #endif |
2a92aaa0 |
1935 | } |
1936 | #ifdef SEARCH_EXTS |
1937 | if (cur == scriptname) { |
1938 | len = strlen(scriptname); |
1939 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) |
1940 | break; |
1941 | cur = strcpy(tokenbuf, scriptname); |
1942 | } |
1943 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ |
1944 | && strcpy(tokenbuf+len, ext[extidx++])); |
1945 | #endif |
1946 | } |
1947 | #endif |
84902520 |
1948 | |
e92c4225 |
1949 | if (dosearch && !strchr(scriptname, '/') |
1950 | #ifdef DOSISH |
1951 | && !strchr(scriptname, '\\') |
1952 | #endif |
76e3520e |
1953 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 |
1954 | bool seen_dot = 0; |
84902520 |
1955 | |
79072805 |
1956 | bufend = s + strlen(s); |
fc36a67e |
1957 | while (s < bufend) { |
2a92aaa0 |
1958 | #if defined(atarist) || defined(DOSISH) |
1959 | for (len = 0; *s |
1960 | # ifdef atarist |
1961 | && *s != ',' |
1962 | # endif |
1963 | && *s != ';'; len++, s++) { |
fc36a67e |
1964 | if (len < sizeof tokenbuf) |
1965 | tokenbuf[len] = *s; |
1966 | } |
1967 | if (len < sizeof tokenbuf) |
1968 | tokenbuf[len] = '\0'; |
84902520 |
1969 | #else /* ! (atarist || DOSISH) */ |
1970 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, |
1971 | ':', |
1972 | &len); |
1973 | #endif /* ! (atarist || DOSISH) */ |
fc36a67e |
1974 | if (s < bufend) |
79072805 |
1975 | s++; |
fc36a67e |
1976 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1977 | continue; /* don't search dir with too-long name */ |
1978 | if (len |
fc36a67e |
1979 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 |
1980 | && tokenbuf[len - 1] != '/' |
fc36a67e |
1981 | && tokenbuf[len - 1] != '\\' |
79072805 |
1982 | #endif |
fc36a67e |
1983 | ) |
1984 | tokenbuf[len++] = '/'; |
84902520 |
1985 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 |
1986 | seen_dot = 1; |
fc36a67e |
1987 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd |
1988 | #endif /* !VMS */ |
a38d6535 |
1989 | |
1990 | #ifdef SEARCH_EXTS |
1991 | len = strlen(tokenbuf); |
1992 | if (extidx > 0) /* reset after previous loop */ |
1993 | extidx = 0; |
1994 | do { |
1995 | #endif |
760ac839 |
1996 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
76e3520e |
1997 | retval = PerlLIO_stat(tokenbuf,&statbuf); |
a38d6535 |
1998 | #ifdef SEARCH_EXTS |
1999 | } while ( retval < 0 /* not there */ |
2000 | && extidx>=0 && ext[extidx] /* try an extension? */ |
2001 | && strcpy(tokenbuf+len, ext[extidx++]) |
2002 | ); |
2003 | #endif |
2004 | if (retval < 0) |
79072805 |
2005 | continue; |
2006 | if (S_ISREG(statbuf.st_mode) |
c90c0ff4 |
2007 | && cando(S_IRUSR,TRUE,&statbuf) |
2008 | #ifndef DOSISH |
2009 | && cando(S_IXUSR,TRUE,&statbuf) |
2010 | #endif |
2011 | ) |
2012 | { |
79072805 |
2013 | xfound = tokenbuf; /* bingo! */ |
2014 | break; |
2015 | } |
2016 | if (!xfailed) |
a0d0e21e |
2017 | xfailed = savepv(tokenbuf); |
79072805 |
2018 | } |
2a92aaa0 |
2019 | #ifndef DOSISH |
76e3520e |
2020 | if (!xfound && !seen_dot && !xfailed && (PerlLIO_stat(scriptname,&statbuf) < 0)) |
84902520 |
2021 | #endif |
2022 | seen_dot = 1; /* Disable message. */ |
79072805 |
2023 | if (!xfound) |
84902520 |
2024 | croak("Can't %s %s%s%s", |
2a92aaa0 |
2025 | (xfailed ? "execute" : "find"), |
2026 | (xfailed ? xfailed : scriptname), |
2027 | (xfailed ? "" : " on PATH"), |
2028 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); |
79072805 |
2029 | if (xfailed) |
2030 | Safefree(xfailed); |
2031 | scriptname = xfound; |
2032 | } |
2033 | |
96436eeb |
2034 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
2035 | char *s = scriptname + 8; |
2036 | fdscript = atoi(s); |
2037 | while (isDIGIT(*s)) |
2038 | s++; |
2039 | if (*s) |
2040 | scriptname = s + 1; |
2041 | } |
2042 | else |
2043 | fdscript = -1; |
ab821d7f |
2044 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 |
2045 | curcop->cop_filegv = gv_fetchfile(origfilename); |
2046 | if (strEQ(origfilename,"-")) |
2047 | scriptname = ""; |
96436eeb |
2048 | if (fdscript >= 0) { |
a868473f |
2049 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb |
2050 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
2051 | if (rsfp) |
2052 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
2053 | #endif |
2054 | } |
2055 | else if (preprocess) { |
46fc3d4c |
2056 | char *cpp_cfg = CPPSTDIN; |
2057 | SV *cpp = NEWSV(0,0); |
2058 | SV *cmd = NEWSV(0,0); |
2059 | |
2060 | if (strEQ(cpp_cfg, "cppstdin")) |
2061 | sv_catpvf(cpp, "%s/", BIN_EXP); |
2062 | sv_catpv(cpp, cpp_cfg); |
79072805 |
2063 | |
79072805 |
2064 | sv_catpv(sv,"-I"); |
fed7345c |
2065 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c |
2066 | |
79072805 |
2067 | #ifdef MSDOS |
46fc3d4c |
2068 | sv_setpvf(cmd, "\ |
79072805 |
2069 | sed %s -e \"/^[^#]/b\" \ |
2070 | -e \"/^#[ ]*include[ ]/b\" \ |
2071 | -e \"/^#[ ]*define[ ]/b\" \ |
2072 | -e \"/^#[ ]*if[ ]/b\" \ |
2073 | -e \"/^#[ ]*ifdef[ ]/b\" \ |
2074 | -e \"/^#[ ]*ifndef[ ]/b\" \ |
2075 | -e \"/^#[ ]*else/b\" \ |
2076 | -e \"/^#[ ]*elif[ ]/b\" \ |
2077 | -e \"/^#[ ]*undef[ ]/b\" \ |
2078 | -e \"/^#[ ]*endif/b\" \ |
2079 | -e \"s/^#.*//\" \ |
fc36a67e |
2080 | %s | %_ -C %_ %s", |
79072805 |
2081 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2082 | #else |
46fc3d4c |
2083 | sv_setpvf(cmd, "\ |
79072805 |
2084 | %s %s -e '/^[^#]/b' \ |
2085 | -e '/^#[ ]*include[ ]/b' \ |
2086 | -e '/^#[ ]*define[ ]/b' \ |
2087 | -e '/^#[ ]*if[ ]/b' \ |
2088 | -e '/^#[ ]*ifdef[ ]/b' \ |
2089 | -e '/^#[ ]*ifndef[ ]/b' \ |
2090 | -e '/^#[ ]*else/b' \ |
2091 | -e '/^#[ ]*elif[ ]/b' \ |
2092 | -e '/^#[ ]*undef[ ]/b' \ |
2093 | -e '/^#[ ]*endif/b' \ |
2094 | -e 's/^[ ]*#.*//' \ |
fc36a67e |
2095 | %s | %_ -C %_ %s", |
79072805 |
2096 | #ifdef LOC_SED |
2097 | LOC_SED, |
2098 | #else |
2099 | "sed", |
2100 | #endif |
2101 | (doextract ? "-e '1,/^#/d\n'" : ""), |
2102 | #endif |
46fc3d4c |
2103 | scriptname, cpp, sv, CPPMINUS); |
79072805 |
2104 | doextract = FALSE; |
2105 | #ifdef IAMSUID /* actually, this is caught earlier */ |
2106 | if (euid != uid && !euid) { /* if running suidperl */ |
2107 | #ifdef HAS_SETEUID |
2108 | (void)seteuid(uid); /* musn't stay setuid root */ |
2109 | #else |
2110 | #ifdef HAS_SETREUID |
85e6fe83 |
2111 | (void)setreuid((Uid_t)-1, uid); |
2112 | #else |
2113 | #ifdef HAS_SETRESUID |
2114 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); |
79072805 |
2115 | #else |
76e3520e |
2116 | PerlProc_setuid(uid); |
79072805 |
2117 | #endif |
2118 | #endif |
85e6fe83 |
2119 | #endif |
76e3520e |
2120 | if (PerlProc_geteuid() != uid) |
463ee0b2 |
2121 | croak("Can't do seteuid!\n"); |
79072805 |
2122 | } |
2123 | #endif /* IAMSUID */ |
6ad3d225 |
2124 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c |
2125 | SvREFCNT_dec(cmd); |
2126 | SvREFCNT_dec(cpp); |
79072805 |
2127 | } |
2128 | else if (!*scriptname) { |
bbce6d69 |
2129 | forbid_setid("program input from stdin"); |
760ac839 |
2130 | rsfp = PerlIO_stdin(); |
79072805 |
2131 | } |
96436eeb |
2132 | else { |
a868473f |
2133 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb |
2134 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
2135 | if (rsfp) |
2136 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
2137 | #endif |
2138 | } |
5dd60ef7 |
2139 | if (e_tmpname) { |
2140 | e_fp = rsfp; |
2141 | } |
7aa04957 |
2142 | if (!rsfp) { |
13281fa4 |
2143 | #ifdef DOSUID |
a687059c |
2144 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
76e3520e |
2145 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 |
2146 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c |
2147 | /* try again */ |
6ad3d225 |
2148 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 |
2149 | croak("Can't do setuid\n"); |
13281fa4 |
2150 | } |
2151 | #endif |
2152 | #endif |
463ee0b2 |
2153 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 |
2154 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 |
2155 | } |
79072805 |
2156 | } |
8d063cd8 |
2157 | |
76e3520e |
2158 | STATIC void |
8ac85365 |
2159 | validate_suid(char *validarg, char *scriptname) |
79072805 |
2160 | { |
96436eeb |
2161 | int which; |
2162 | |
13281fa4 |
2163 | /* do we need to emulate setuid on scripts? */ |
2164 | |
2165 | /* This code is for those BSD systems that have setuid #! scripts disabled |
2166 | * in the kernel because of a security problem. Merely defining DOSUID |
2167 | * in perl will not fix that problem, but if you have disabled setuid |
2168 | * scripts in the kernel, this will attempt to emulate setuid and setgid |
2169 | * on scripts that have those now-otherwise-useless bits set. The setuid |
27e2fb84 |
2170 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2171 | * discovers that it has opened a setuid script, it calls suidperl with |
2172 | * the same argv that it had. If suidperl finds that the script it has |
2173 | * just opened is NOT setuid root, it sets the effective uid back to the |
2174 | * uid. We don't just make perl setuid root because that loses the |
2175 | * effective uid we had before invoking perl, if it was different from the |
2176 | * uid. |
13281fa4 |
2177 | * |
2178 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must |
2179 | * be defined in suidperl only. suidperl must be setuid root. The |
2180 | * Configure script will set this up for you if you want it. |
2181 | */ |
a687059c |
2182 | |
13281fa4 |
2183 | #ifdef DOSUID |
ea0efc06 |
2184 | dTHR; |
6e72f9df |
2185 | char *s, *s2; |
a0d0e21e |
2186 | |
6ad3d225 |
2187 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 |
2188 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb |
2189 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 |
2190 | I32 len; |
13281fa4 |
2191 | |
a687059c |
2192 | #ifdef IAMSUID |
fe14fcc3 |
2193 | #ifndef HAS_SETREUID |
a687059c |
2194 | /* On this access check to make sure the directories are readable, |
2195 | * there is actually a small window that the user could use to make |
2196 | * filename point to an accessible directory. So there is a faint |
2197 | * chance that someone could execute a setuid script down in a |
2198 | * non-accessible directory. I don't know what to do about that. |
2199 | * But I don't think it's too important. The manual lies when |
2200 | * it says access() is useful in setuid programs. |
2201 | */ |
6ad3d225 |
2202 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 |
2203 | croak("Permission denied"); |
a687059c |
2204 | #else |
2205 | /* If we can swap euid and uid, then we can determine access rights |
2206 | * with a simple stat of the file, and then compare device and |
2207 | * inode to make sure we did stat() on the same file we opened. |
2208 | * Then we just have to make sure he or she can execute it. |
2209 | */ |
2210 | { |
2211 | struct stat tmpstatbuf; |
2212 | |
85e6fe83 |
2213 | if ( |
2214 | #ifdef HAS_SETREUID |
2215 | setreuid(euid,uid) < 0 |
a0d0e21e |
2216 | #else |
2217 | # if HAS_SETRESUID |
85e6fe83 |
2218 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e |
2219 | # endif |
85e6fe83 |
2220 | #endif |
76e3520e |
2221 | || PerlProc_getuid() != euid || PerlProc_geteuid() != uid) |
463ee0b2 |
2222 | croak("Can't swap uid and euid"); /* really paranoid */ |
76e3520e |
2223 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 |
2224 | croak("Permission denied"); /* testing full pathname here */ |
a687059c |
2225 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2226 | tmpstatbuf.st_ino != statbuf.st_ino) { |
760ac839 |
2227 | (void)PerlIO_close(rsfp); |
6ad3d225 |
2228 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 |
2229 | PerlIO_printf(rsfp, |
ff0cee69 |
2230 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2231 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", |
2232 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, |
2233 | (long)statbuf.st_dev, (long)statbuf.st_ino, |
463ee0b2 |
2234 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 |
2235 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 |
2236 | (void)PerlProc_pclose(rsfp); |
a687059c |
2237 | } |
463ee0b2 |
2238 | croak("Permission denied\n"); |
a687059c |
2239 | } |
85e6fe83 |
2240 | if ( |
2241 | #ifdef HAS_SETREUID |
2242 | setreuid(uid,euid) < 0 |
a0d0e21e |
2243 | #else |
2244 | # if defined(HAS_SETRESUID) |
85e6fe83 |
2245 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e |
2246 | # endif |
85e6fe83 |
2247 | #endif |
76e3520e |
2248 | || PerlProc_getuid() != uid || PerlProc_geteuid() != euid) |
463ee0b2 |
2249 | croak("Can't reswap uid and euid"); |
27e2fb84 |
2250 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 |
2251 | croak("Permission denied\n"); |
a687059c |
2252 | } |
fe14fcc3 |
2253 | #endif /* HAS_SETREUID */ |
a687059c |
2254 | #endif /* IAMSUID */ |
2255 | |
27e2fb84 |
2256 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 |
2257 | croak("Permission denied"); |
27e2fb84 |
2258 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 |
2259 | croak("Setuid/gid script is writable by world"); |
13281fa4 |
2260 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 |
2261 | curcop->cop_line++; |
760ac839 |
2262 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2263 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ |
463ee0b2 |
2264 | croak("No #! line"); |
760ac839 |
2265 | s = SvPV(linestr,na)+2; |
663a0e37 |
2266 | if (*s == ' ') s++; |
45d8adaa |
2267 | while (!isSPACE(*s)) s++; |
760ac839 |
2268 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df |
2269 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2270 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ |
463ee0b2 |
2271 | croak("Not a perl script"); |
a687059c |
2272 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 |
2273 | /* |
2274 | * #! arg must be what we saw above. They can invoke it by |
2275 | * mentioning suidperl explicitly, but they may not add any strange |
2276 | * arguments beyond what #! says if they do invoke suidperl that way. |
2277 | */ |
2278 | len = strlen(validarg); |
2279 | if (strEQ(validarg," PHOOEY ") || |
45d8adaa |
2280 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 |
2281 | croak("Args must match #! line"); |
a687059c |
2282 | |
2283 | #ifndef IAMSUID |
2284 | if (euid != uid && (statbuf.st_mode & S_ISUID) && |
2285 | euid == statbuf.st_uid) |
2286 | if (!do_undump) |
463ee0b2 |
2287 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2288 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2289 | #endif /* IAMSUID */ |
13281fa4 |
2290 | |
2291 | if (euid) { /* oops, we're not the setuid root perl */ |
760ac839 |
2292 | (void)PerlIO_close(rsfp); |
13281fa4 |
2293 | #ifndef IAMSUID |
46fc3d4c |
2294 | /* try again */ |
6ad3d225 |
2295 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 |
2296 | #endif |
463ee0b2 |
2297 | croak("Can't do setuid\n"); |
13281fa4 |
2298 | } |
2299 | |
83025b21 |
2300 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 |
2301 | #ifdef HAS_SETEGID |
a687059c |
2302 | (void)setegid(statbuf.st_gid); |
2303 | #else |
fe14fcc3 |
2304 | #ifdef HAS_SETREGID |
85e6fe83 |
2305 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2306 | #else |
2307 | #ifdef HAS_SETRESGID |
2308 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); |
a687059c |
2309 | #else |
76e3520e |
2310 | PerlProc_setgid(statbuf.st_gid); |
a687059c |
2311 | #endif |
2312 | #endif |
85e6fe83 |
2313 | #endif |
76e3520e |
2314 | if (PerlProc_getegid() != statbuf.st_gid) |
463ee0b2 |
2315 | croak("Can't do setegid!\n"); |
83025b21 |
2316 | } |
a687059c |
2317 | if (statbuf.st_mode & S_ISUID) { |
2318 | if (statbuf.st_uid != euid) |
fe14fcc3 |
2319 | #ifdef HAS_SETEUID |
a687059c |
2320 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2321 | #else |
fe14fcc3 |
2322 | #ifdef HAS_SETREUID |
85e6fe83 |
2323 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2324 | #else |
2325 | #ifdef HAS_SETRESUID |
2326 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); |
a687059c |
2327 | #else |
76e3520e |
2328 | PerlProc_setuid(statbuf.st_uid); |
a687059c |
2329 | #endif |
2330 | #endif |
85e6fe83 |
2331 | #endif |
76e3520e |
2332 | if (PerlProc_geteuid() != statbuf.st_uid) |
463ee0b2 |
2333 | croak("Can't do seteuid!\n"); |
a687059c |
2334 | } |
83025b21 |
2335 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 |
2336 | #ifdef HAS_SETEUID |
85e6fe83 |
2337 | (void)seteuid((Uid_t)uid); |
a687059c |
2338 | #else |
fe14fcc3 |
2339 | #ifdef HAS_SETREUID |
85e6fe83 |
2340 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c |
2341 | #else |
85e6fe83 |
2342 | #ifdef HAS_SETRESUID |
2343 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); |
2344 | #else |
76e3520e |
2345 | PerlProc_setuid((Uid_t)uid); |
85e6fe83 |
2346 | #endif |
a687059c |
2347 | #endif |
2348 | #endif |
76e3520e |
2349 | if (PerlProc_geteuid() != uid) |
463ee0b2 |
2350 | croak("Can't do seteuid!\n"); |
83025b21 |
2351 | } |
748a9306 |
2352 | init_ids(); |
27e2fb84 |
2353 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 |
2354 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 |
2355 | } |
2356 | #ifdef IAMSUID |
2357 | else if (preprocess) |
463ee0b2 |
2358 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb |
2359 | else if (fdscript >= 0) |
2360 | croak("fd script not allowed in suidperl\n"); |
13281fa4 |
2361 | else |
463ee0b2 |
2362 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb |
2363 | |
2364 | /* We absolutely must clear out any saved ids here, so we */ |
2365 | /* exec the real perl, substituting fd script for scriptname. */ |
2366 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ |
760ac839 |
2367 | PerlIO_rewind(rsfp); |
6ad3d225 |
2368 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb |
2369 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2370 | if (!origargv[which]) |
2371 | croak("Permission denied"); |
46fc3d4c |
2372 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2373 | PerlIO_fileno(rsfp), origargv[which])); |
96436eeb |
2374 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 |
2375 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb |
2376 | #endif |
6ad3d225 |
2377 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb |
2378 | croak("Can't do setuid\n"); |
13281fa4 |
2379 | #endif /* IAMSUID */ |
a687059c |
2380 | #else /* !DOSUID */ |
a687059c |
2381 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2382 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 |
2383 | dTHR; |
6ad3d225 |
2384 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c |
2385 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2386 | || |
2387 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
2388 | ) |
2389 | if (!do_undump) |
463ee0b2 |
2390 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2391 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2392 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
2393 | /* not set-id, must be wrapped */ |
a687059c |
2394 | } |
13281fa4 |
2395 | #endif /* DOSUID */ |
79072805 |
2396 | } |
13281fa4 |
2397 | |
76e3520e |
2398 | STATIC void |
8ac85365 |
2399 | find_beginning(void) |
79072805 |
2400 | { |
6e72f9df |
2401 | register char *s, *s2; |
33b78306 |
2402 | |
2403 | /* skip forward in input to the real script? */ |
2404 | |
bbce6d69 |
2405 | forbid_setid("-x"); |
33b78306 |
2406 | while (doextract) { |
79072805 |
2407 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 |
2408 | croak("No Perl script found in input\n"); |
6e72f9df |
2409 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 |
2410 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 |
2411 | doextract = FALSE; |
6e72f9df |
2412 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2413 | s2 = s; |
2414 | while (*s == ' ' || *s == '\t') s++; |
2415 | if (*s++ == '-') { |
2416 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; |
2417 | if (strnEQ(s2-4,"perl",4)) |
2418 | /*SUPPRESS 530*/ |
2419 | while (s = moreswitches(s)) ; |
33b78306 |
2420 | } |
6ad3d225 |
2421 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 |
2422 | croak("Can't chdir to %s",cddir); |
83025b21 |
2423 | } |
2424 | } |
2425 | } |
2426 | |
76e3520e |
2427 | STATIC void |
8ac85365 |
2428 | init_ids(void) |
352d5a3a |
2429 | { |
76e3520e |
2430 | uid = (int)PerlProc_getuid(); |
2431 | euid = (int)PerlProc_geteuid(); |
2432 | gid = (int)PerlProc_getgid(); |
2433 | egid = (int)PerlProc_getegid(); |
748a9306 |
2434 | #ifdef VMS |
2435 | uid |= gid << 16; |
2436 | euid |= egid << 16; |
2437 | #endif |
4633a7c4 |
2438 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 |
2439 | } |
79072805 |
2440 | |
76e3520e |
2441 | STATIC void |
8ac85365 |
2442 | forbid_setid(char *s) |
bbce6d69 |
2443 | { |
2444 | if (euid != uid) |
2445 | croak("No %s allowed while running setuid", s); |
2446 | if (egid != gid) |
2447 | croak("No %s allowed while running setgid", s); |
2448 | } |
2449 | |
76e3520e |
2450 | STATIC void |
8ac85365 |
2451 | init_debugger(void) |
748a9306 |
2452 | { |
11343788 |
2453 | dTHR; |
79072805 |
2454 | curstash = debstash; |
748a9306 |
2455 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 |
2456 | AvREAL_off(dbargs); |
a0d0e21e |
2457 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2458 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); |
748a9306 |
2459 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2460 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2461 | sv_setiv(DBsingle, 0); |
748a9306 |
2462 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2463 | sv_setiv(DBtrace, 0); |
748a9306 |
2464 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2465 | sv_setiv(DBsignal, 0); |
79072805 |
2466 | curstash = defstash; |
352d5a3a |
2467 | } |
2468 | |
11343788 |
2469 | void |
8ac85365 |
2470 | init_stacks(ARGSproto) |
79072805 |
2471 | { |
6e72f9df |
2472 | curstack = newAV(); |
5f05dabc |
2473 | mainstack = curstack; /* remember in case we switch stacks */ |
2474 | AvREAL_off(curstack); /* not a real array */ |
6e72f9df |
2475 | av_extend(curstack,127); |
79072805 |
2476 | |
6e72f9df |
2477 | stack_base = AvARRAY(curstack); |
79072805 |
2478 | stack_sp = stack_base; |
8990e307 |
2479 | stack_max = stack_base + 127; |
79072805 |
2480 | |
c09156bb |
2481 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2482 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); |
8990e307 |
2483 | cxstack_ix = -1; |
8990e307 |
2484 | |
2485 | New(50,tmps_stack,128,SV*); |
6d4ff0d2 |
2486 | tmps_floor = -1; |
8990e307 |
2487 | tmps_ix = -1; |
2488 | tmps_max = 128; |
2489 | |
5f05dabc |
2490 | /* |
2491 | * The following stacks almost certainly should be per-interpreter, |
2492 | * but for now they're not. XXX |
2493 | */ |
2494 | |
6e72f9df |
2495 | if (markstack) { |
2496 | markstack_ptr = markstack; |
2497 | } else { |
2498 | New(54,markstack,64,I32); |
2499 | markstack_ptr = markstack; |
2500 | markstack_max = markstack + 64; |
2501 | } |
79072805 |
2502 | |
6e72f9df |
2503 | if (scopestack) { |
2504 | scopestack_ix = 0; |
2505 | } else { |
2506 | New(54,scopestack,32,I32); |
2507 | scopestack_ix = 0; |
2508 | scopestack_max = 32; |
2509 | } |
79072805 |
2510 | |
6e72f9df |
2511 | if (savestack) { |
2512 | savestack_ix = 0; |
2513 | } else { |
2514 | New(54,savestack,128,ANY); |
2515 | savestack_ix = 0; |
2516 | savestack_max = 128; |
2517 | } |
79072805 |
2518 | |
6e72f9df |
2519 | if (retstack) { |
2520 | retstack_ix = 0; |
2521 | } else { |
2522 | New(54,retstack,16,OP*); |
2523 | retstack_ix = 0; |
2524 | retstack_max = 16; |
5f05dabc |
2525 | } |
378cc40b |
2526 | } |
33b78306 |
2527 | |
76e3520e |
2528 | STATIC void |
8ac85365 |
2529 | nuke_stacks(void) |
6e72f9df |
2530 | { |
e858de61 |
2531 | dTHR; |
6e72f9df |
2532 | Safefree(cxstack); |
2533 | Safefree(tmps_stack); |
5f05dabc |
2534 | DEBUG( { |
2535 | Safefree(debname); |
2536 | Safefree(debdelim); |
2537 | } ) |
378cc40b |
2538 | } |
33b78306 |
2539 | |
76e3520e |
2540 | #ifndef PERL_OBJECT |
760ac839 |
2541 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e |
2542 | #endif |
7aa04957 |
2543 | |
76e3520e |
2544 | STATIC void |
8ac85365 |
2545 | init_lexer(void) |
8990e307 |
2546 | { |
76e3520e |
2547 | #ifdef PERL_OBJECT |
2548 | PerlIO *tmpfp; |
2549 | #endif |
a0d0e21e |
2550 | tmpfp = rsfp; |
90248788 |
2551 | rsfp = Nullfp; |
8990e307 |
2552 | lex_start(linestr); |
2553 | rsfp = tmpfp; |
2554 | subname = newSVpv("main",4); |
2555 | } |
2556 | |
76e3520e |
2557 | STATIC void |
8ac85365 |
2558 | init_predump_symbols(void) |
45d8adaa |
2559 | { |
11343788 |
2560 | dTHR; |
93a17b20 |
2561 | GV *tmpgv; |
a0d0e21e |
2562 | GV *othergv; |
79072805 |
2563 | |
e1c148c2 |
2564 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 |
2565 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 |
2566 | GvMULTI_on(stdingv); |
760ac839 |
2567 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 |
2568 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 |
2569 | GvMULTI_on(tmpgv); |
a0d0e21e |
2570 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 |
2571 | |
85e6fe83 |
2572 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 |
2573 | GvMULTI_on(tmpgv); |
760ac839 |
2574 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 |
2575 | setdefout(tmpgv); |
adbc6bb1 |
2576 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 |
2577 | GvMULTI_on(tmpgv); |
a0d0e21e |
2578 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 |
2579 | |
a0d0e21e |
2580 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 |
2581 | GvMULTI_on(othergv); |
760ac839 |
2582 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 |
2583 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 |
2584 | GvMULTI_on(tmpgv); |
a0d0e21e |
2585 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 |
2586 | |
2587 | statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f |
2588 | |
6e72f9df |
2589 | if (!osname) |
2590 | osname = savepv(OSNAME); |
79072805 |
2591 | } |
33b78306 |
2592 | |
76e3520e |
2593 | STATIC void |
8ac85365 |
2594 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 |
2595 | { |
a863c7d1 |
2596 | dTHR; |
79072805 |
2597 | char *s; |
2598 | SV *sv; |
2599 | GV* tmpgv; |
fe14fcc3 |
2600 | |
79072805 |
2601 | argc--,argv++; /* skip name of script */ |
2602 | if (doswitches) { |
2603 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
2604 | if (!argv[0][1]) |
2605 | break; |
2606 | if (argv[0][1] == '-') { |
2607 | argc--,argv++; |
2608 | break; |
2609 | } |
93a17b20 |
2610 | if (s = strchr(argv[0], '=')) { |
79072805 |
2611 | *s++ = '\0'; |
85e6fe83 |
2612 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 |
2613 | } |
2614 | else |
85e6fe83 |
2615 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 |
2616 | } |
79072805 |
2617 | } |
2618 | toptarget = NEWSV(0,0); |
2619 | sv_upgrade(toptarget, SVt_PVFM); |
2620 | sv_setpvn(toptarget, "", 0); |
748a9306 |
2621 | bodytarget = NEWSV(0,0); |
79072805 |
2622 | sv_upgrade(bodytarget, SVt_PVFM); |
2623 | sv_setpvn(bodytarget, "", 0); |
2624 | formtarget = bodytarget; |
2625 | |
bbce6d69 |
2626 | TAINT; |
85e6fe83 |
2627 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 |
2628 | sv_setpv(GvSV(tmpgv),origfilename); |
2629 | magicname("0", "0", 1); |
2630 | } |
85e6fe83 |
2631 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 |
2632 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 |
2633 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 |
2634 | GvMULTI_on(argvgv); |
79072805 |
2635 | (void)gv_AVadd(argvgv); |
2636 | av_clear(GvAVn(argvgv)); |
2637 | for (; argc > 0; argc--,argv++) { |
a0d0e21e |
2638 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 |
2639 | } |
2640 | } |
85e6fe83 |
2641 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 |
2642 | HV *hv; |
a5f75d66 |
2643 | GvMULTI_on(envgv); |
79072805 |
2644 | hv = GvHVn(envgv); |
5aabfad6 |
2645 | hv_magic(hv, envgv, 'E'); |
a0d0e21e |
2646 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 |
2647 | /* Note that if the supplied env parameter is actually a copy |
2648 | of the global environ then it may now point to free'd memory |
2649 | if the environment has been modified since. To avoid this |
2650 | problem we treat env==NULL as meaning 'use the default' |
2651 | */ |
2652 | if (!env) |
2653 | env = environ; |
5aabfad6 |
2654 | if (env != environ) |
79072805 |
2655 | environ[0] = Nullch; |
2656 | for (; *env; env++) { |
93a17b20 |
2657 | if (!(s = strchr(*env,'='))) |
79072805 |
2658 | continue; |
2659 | *s++ = '\0'; |
39e571d4 |
2660 | #if defined(WIN32) || defined(MSDOS) |
137443ea |
2661 | (void)strupr(*env); |
2662 | #endif |
79072805 |
2663 | sv = newSVpv(s--,0); |
2664 | (void)hv_store(hv, *env, s - *env, sv, 0); |
2665 | *s = '='; |
3e3baf6d |
2666 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2667 | /* Sins of the RTL. See note in my_setenv(). */ |
76e3520e |
2668 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d |
2669 | #endif |
fe14fcc3 |
2670 | } |
4550b24a |
2671 | #endif |
2672 | #ifdef DYNAMIC_ENV_FETCH |
2673 | HvNAME(hv) = savepv(ENV_HV_NAME); |
2674 | #endif |
79072805 |
2675 | } |
bbce6d69 |
2676 | TAINT_NOT; |
85e6fe83 |
2677 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 |
2678 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 |
2679 | } |
34de22dd |
2680 | |
76e3520e |
2681 | STATIC void |
8ac85365 |
2682 | init_perllib(void) |
34de22dd |
2683 | { |
85e6fe83 |
2684 | char *s; |
2685 | if (!tainting) { |
552a7a9b |
2686 | #ifndef VMS |
76e3520e |
2687 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 |
2688 | if (s) |
774d564b |
2689 | incpush(s, TRUE); |
85e6fe83 |
2690 | else |
76e3520e |
2691 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b |
2692 | #else /* VMS */ |
2693 | /* Treat PERL5?LIB as a possible search list logical name -- the |
2694 | * "natural" VMS idiom for a Unix path string. We allow each |
2695 | * element to be a set of |-separated directories for compatibility. |
2696 | */ |
2697 | char buf[256]; |
2698 | int idx = 0; |
2699 | if (my_trnlnm("PERL5LIB",buf,0)) |
774d564b |
2700 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b |
2701 | else |
774d564b |
2702 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b |
2703 | #endif /* VMS */ |
85e6fe83 |
2704 | } |
34de22dd |
2705 | |
c90c0ff4 |
2706 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 |
2707 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2708 | */ |
4633a7c4 |
2709 | #ifdef APPLLIB_EXP |
774d564b |
2710 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 |
2711 | #endif |
4633a7c4 |
2712 | |
fed7345c |
2713 | #ifdef ARCHLIB_EXP |
774d564b |
2714 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e |
2715 | #endif |
fed7345c |
2716 | #ifndef PRIVLIB_EXP |
2717 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd |
2718 | #endif |
774d564b |
2719 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 |
2720 | |
2721 | #ifdef SITEARCH_EXP |
774d564b |
2722 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 |
2723 | #endif |
2724 | #ifdef SITELIB_EXP |
774d564b |
2725 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 |
2726 | #endif |
2727 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ |
774d564b |
2728 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 |
2729 | #endif |
a0d0e21e |
2730 | |
4633a7c4 |
2731 | if (!tainting) |
774d564b |
2732 | incpush(".", FALSE); |
2733 | } |
2734 | |
2735 | #if defined(DOSISH) |
2736 | # define PERLLIB_SEP ';' |
2737 | #else |
2738 | # if defined(VMS) |
2739 | # define PERLLIB_SEP '|' |
2740 | # else |
2741 | # define PERLLIB_SEP ':' |
2742 | # endif |
2743 | #endif |
2744 | #ifndef PERLLIB_MANGLE |
2745 | # define PERLLIB_MANGLE(s,n) (s) |
2746 | #endif |
2747 | |
76e3520e |
2748 | STATIC void |
8ac85365 |
2749 | incpush(char *p, int addsubdirs) |
774d564b |
2750 | { |
2751 | SV *subdir = Nullsv; |
774d564b |
2752 | |
2753 | if (!p) |
2754 | return; |
2755 | |
2756 | if (addsubdirs) { |
8c52afec |
2757 | subdir = NEWSV(55,0); |
774d564b |
2758 | if (!archpat_auto) { |
2759 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) |
2760 | + sizeof("//auto")); |
2761 | New(55, archpat_auto, len, char); |
2762 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); |
aa689395 |
2763 | #ifdef VMS |
2764 | for (len = sizeof(ARCHNAME) + 2; |
2765 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) |
2766 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; |
2767 | #endif |
774d564b |
2768 | } |
2769 | } |
2770 | |
2771 | /* Break at all separators */ |
2772 | while (p && *p) { |
8c52afec |
2773 | SV *libdir = NEWSV(55,0); |
774d564b |
2774 | char *s; |
2775 | |
2776 | /* skip any consecutive separators */ |
2777 | while ( *p == PERLLIB_SEP ) { |
2778 | /* Uncomment the next line for PATH semantics */ |
2779 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ |
2780 | p++; |
2781 | } |
2782 | |
2783 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
2784 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
2785 | (STRLEN)(s - p)); |
2786 | p = s + 1; |
2787 | } |
2788 | else { |
2789 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); |
2790 | p = Nullch; /* break out */ |
2791 | } |
2792 | |
2793 | /* |
2794 | * BEFORE pushing libdir onto @INC we may first push version- and |
2795 | * archname-specific sub-directories. |
2796 | */ |
2797 | if (addsubdirs) { |
2798 | struct stat tmpstatbuf; |
aa689395 |
2799 | #ifdef VMS |
2800 | char *unix; |
2801 | STRLEN len; |
774d564b |
2802 | |
aa689395 |
2803 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2804 | len = strlen(unix); |
2805 | while (unix[len-1] == '/') len--; /* Cosmetic */ |
2806 | sv_usepvn(libdir,unix,len); |
2807 | } |
2808 | else |
2809 | PerlIO_printf(PerlIO_stderr(), |
2810 | "Failed to unixify @INC element \"%s\"\n", |
2811 | SvPV(libdir,na)); |
2812 | #endif |
4fdae800 |
2813 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b |
2814 | sv_setsv(subdir, libdir); |
2815 | sv_catpv(subdir, archpat_auto); |
76e3520e |
2816 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b |
2817 | S_ISDIR(tmpstatbuf.st_mode)) |
2818 | av_push(GvAVn(incgv), |
2819 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2820 | |
4fdae800 |
2821 | /* .../archname if -d .../archname/auto */ |
774d564b |
2822 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2823 | strlen(patchlevel) + 1, "", 0); |
76e3520e |
2824 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b |
2825 | S_ISDIR(tmpstatbuf.st_mode)) |
2826 | av_push(GvAVn(incgv), |
2827 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2828 | } |
2829 | |
2830 | /* finally push this lib directory on the end of @INC */ |
2831 | av_push(GvAVn(incgv), libdir); |
2832 | } |
2833 | |
2834 | SvREFCNT_dec(subdir); |
34de22dd |
2835 | } |
93a17b20 |
2836 | |
199100c8 |
2837 | #ifdef USE_THREADS |
76e3520e |
2838 | STATIC struct perl_thread * |
199100c8 |
2839 | init_main_thread() |
2840 | { |
52e1cb5e |
2841 | struct perl_thread *thr; |
199100c8 |
2842 | XPV *xpv; |
2843 | |
52e1cb5e |
2844 | Newz(53, thr, 1, struct perl_thread); |
199100c8 |
2845 | curcop = &compiling; |
2846 | thr->cvcache = newHV(); |
54b9620d |
2847 | thr->threadsv = newAV(); |
940cb80d |
2848 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 |
2849 | thr->specific = newAV(); |
38a03e6e |
2850 | thr->errhv = newHV(); |
199100c8 |
2851 | thr->flags = THRf_R_JOINABLE; |
2852 | MUTEX_INIT(&thr->mutex); |
2853 | /* Handcraft thrsv similarly to mess_sv */ |
2854 | New(53, thrsv, 1, SV); |
2855 | Newz(53, xpv, 1, XPV); |
2856 | SvFLAGS(thrsv) = SVt_PV; |
2857 | SvANY(thrsv) = (void*)xpv; |
2858 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ |
2859 | SvPVX(thrsv) = (char*)thr; |
2860 | SvCUR_set(thrsv, sizeof(thr)); |
2861 | SvLEN_set(thrsv, sizeof(thr)); |
2862 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ |
2863 | thr->oursv = thrsv; |
2864 | curcop = &compiling; |
2865 | chopset = " \n-"; |
2866 | |
2867 | MUTEX_LOCK(&threads_mutex); |
2868 | nthreads++; |
2869 | thr->tid = 0; |
2870 | thr->next = thr; |
2871 | thr->prev = thr; |
2872 | MUTEX_UNLOCK(&threads_mutex); |
2873 | |
4b026b9e |
2874 | #ifdef HAVE_THREAD_INTERN |
2875 | init_thread_intern(thr); |
235db74f |
2876 | #endif |
2877 | |
2878 | #ifdef SET_THREAD_SELF |
2879 | SET_THREAD_SELF(thr); |
199100c8 |
2880 | #else |
2881 | thr->self = pthread_self(); |
235db74f |
2882 | #endif /* SET_THREAD_SELF */ |
199100c8 |
2883 | SET_THR(thr); |
2884 | |
2885 | /* |
2886 | * These must come after the SET_THR because sv_setpvn does |
2887 | * SvTAINT and the taint fields require dTHR. |
2888 | */ |
2889 | toptarget = NEWSV(0,0); |
2890 | sv_upgrade(toptarget, SVt_PVFM); |
2891 | sv_setpvn(toptarget, "", 0); |
2892 | bodytarget = NEWSV(0,0); |
2893 | sv_upgrade(bodytarget, SVt_PVFM); |
2894 | sv_setpvn(bodytarget, "", 0); |
2895 | formtarget = bodytarget; |
2faa37cc |
2896 | thr->errsv = newSVpv("", 0); |
78857c3c |
2897 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 |
2898 | return thr; |
2899 | } |
2900 | #endif /* USE_THREADS */ |
2901 | |
93a17b20 |
2902 | void |
76e3520e |
2903 | call_list(I32 oldscope, AV *paramList) |
93a17b20 |
2904 | { |
11343788 |
2905 | dTHR; |
a0d0e21e |
2906 | line_t oldline = curcop->cop_line; |
22921e25 |
2907 | STRLEN len; |
2908 | dJMPENV; |
2909 | int ret; |
93a17b20 |
2910 | |
76e3520e |
2911 | while (AvFILL(paramList) >= 0) { |
2912 | CV *cv = (CV*)av_shift(paramList); |
93a17b20 |
2913 | |
8990e307 |
2914 | SAVEFREESV(cv); |
a0d0e21e |
2915 | |
22921e25 |
2916 | JMPENV_PUSH(ret); |
2917 | switch (ret) { |
748a9306 |
2918 | case 0: { |
38a03e6e |
2919 | SV* atsv = ERRSV; |
748a9306 |
2920 | PUSHMARK(stack_sp); |
2921 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); |
12f917ad |
2922 | (void)SvPV(atsv, len); |
748a9306 |
2923 | if (len) { |
54310121 |
2924 | JMPENV_POP; |
748a9306 |
2925 | curcop = &compiling; |
2926 | curcop->cop_line = oldline; |
76e3520e |
2927 | if (paramList == beginav) |
12f917ad |
2928 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 |
2929 | else |
12f917ad |
2930 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 |
2931 | while (scopestack_ix > oldscope) |
2932 | LEAVE; |
12f917ad |
2933 | croak("%s", SvPVX(atsv)); |
748a9306 |
2934 | } |
a0d0e21e |
2935 | } |
85e6fe83 |
2936 | break; |
2937 | case 1: |
f86702cc |
2938 | STATUS_ALL_FAILURE; |
85e6fe83 |
2939 | /* FALL THROUGH */ |
2940 | case 2: |
2941 | /* my_exit() was called */ |
2ae324a7 |
2942 | while (scopestack_ix > oldscope) |
2943 | LEAVE; |
84902520 |
2944 | FREETMPS; |
85e6fe83 |
2945 | curstash = defstash; |
2946 | if (endav) |
68dc0745 |
2947 | call_list(oldscope, endav); |
54310121 |
2948 | JMPENV_POP; |
a0d0e21e |
2949 | curcop = &compiling; |
2950 | curcop->cop_line = oldline; |
85e6fe83 |
2951 | if (statusvalue) { |
76e3520e |
2952 | if (paramList == beginav) |
a0d0e21e |
2953 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 |
2954 | else |
a0d0e21e |
2955 | croak("END failed--cleanup aborted"); |
85e6fe83 |
2956 | } |
f86702cc |
2957 | my_exit_jump(); |
85e6fe83 |
2958 | /* NOTREACHED */ |
85e6fe83 |
2959 | case 3: |
2960 | if (!restartop) { |
760ac839 |
2961 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
2962 | FREETMPS; |
85e6fe83 |
2963 | break; |
2964 | } |
54310121 |
2965 | JMPENV_POP; |
a0d0e21e |
2966 | curcop = &compiling; |
2967 | curcop->cop_line = oldline; |
54310121 |
2968 | JMPENV_JUMP(3); |
8990e307 |
2969 | } |
54310121 |
2970 | JMPENV_POP; |
93a17b20 |
2971 | } |
93a17b20 |
2972 | } |
93a17b20 |
2973 | |
f86702cc |
2974 | void |
8ac85365 |
2975 | my_exit(U32 status) |
f86702cc |
2976 | { |
5dc0d613 |
2977 | dTHR; |
2978 | |
2979 | #ifdef USE_THREADS |
a863c7d1 |
2980 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2981 | thr, (unsigned long) status)); |
5dc0d613 |
2982 | #endif /* USE_THREADS */ |
f86702cc |
2983 | switch (status) { |
2984 | case 0: |
2985 | STATUS_ALL_SUCCESS; |
2986 | break; |
2987 | case 1: |
2988 | STATUS_ALL_FAILURE; |
2989 | break; |
2990 | default: |
2991 | STATUS_NATIVE_SET(status); |
2992 | break; |
2993 | } |
2994 | my_exit_jump(); |
2995 | } |
2996 | |
2997 | void |
8ac85365 |
2998 | my_failure_exit(void) |
f86702cc |
2999 | { |
3000 | #ifdef VMS |
3001 | if (vaxc$errno & 1) { |
4fdae800 |
3002 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
3003 | STATUS_NATIVE_SET(44); |
f86702cc |
3004 | } |
3005 | else { |
ff0cee69 |
3006 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 |
3007 | STATUS_NATIVE_SET(44); |
f86702cc |
3008 | else |
4fdae800 |
3009 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc |
3010 | } |
3011 | #else |
3012 | if (errno & 255) |
3013 | STATUS_POSIX_SET(errno); |
3014 | else if (STATUS_POSIX == 0) |
3015 | STATUS_POSIX_SET(255); |
3016 | #endif |
3017 | my_exit_jump(); |
93a17b20 |
3018 | } |
3019 | |
76e3520e |
3020 | STATIC void |
8ac85365 |
3021 | my_exit_jump(void) |
f86702cc |
3022 | { |
e858de61 |
3023 | dTHR; |
c09156bb |
3024 | register PERL_CONTEXT *cx; |
f86702cc |
3025 | I32 gimme; |
3026 | SV **newsp; |
3027 | |
3028 | if (e_tmpname) { |
3029 | if (e_fp) { |
3030 | PerlIO_close(e_fp); |
3031 | e_fp = Nullfp; |
3032 | } |
3033 | (void)UNLINK(e_tmpname); |
3034 | Safefree(e_tmpname); |
3035 | e_tmpname = Nullch; |
3036 | } |
3037 | |
3038 | if (cxstack_ix >= 0) { |
3039 | if (cxstack_ix > 0) |
3040 | dounwind(0); |
3041 | POPBLOCK(cx,curpm); |
3042 | LEAVE; |
3043 | } |
ff0cee69 |
3044 | |
54310121 |
3045 | JMPENV_JUMP(2); |
f86702cc |
3046 | } |
4e35701f |
3047 | |
aeea060c |
3048 | |
22239a37 |
3049 | |