Commit | Line | Data |
a0d0e21e |
1 | /* perl.c |
2 | * |
9607fc9c |
3 | * Copyright (c) 1987-1997 Larry Wall |
a687059c |
4 | * |
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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 | |
a0d0e21e |
65 | static void find_beginning _((void)); |
bbce6d69 |
66 | static void forbid_setid _((char *)); |
774d564b |
67 | static void incpush _((char *, int)); |
748a9306 |
68 | static void init_ids _((void)); |
a0d0e21e |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); |
71 | static void init_main_stash _((void)); |
72 | static void init_perllib _((void)); |
73 | static void init_postdump_symbols _((int, char **, char **)); |
74 | static void init_predump_symbols _((void)); |
f86702cc |
75 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df |
76 | static void nuke_stacks _((void)); |
a0d0e21e |
77 | static void open_script _((char *, bool, SV *)); |
11343788 |
78 | #ifdef USE_THREADS |
79 | static void thread_destruct _((void *)); |
80 | #endif /* USE_THREADS */ |
ab821d7f |
81 | static void usage _((char *)); |
96436eeb |
82 | static void validate_suid _((char *, char*)); |
83 | |
84 | static int fdscript = -1; |
79072805 |
85 | |
93a17b20 |
86 | PerlInterpreter * |
79072805 |
87 | perl_alloc() |
88 | { |
93a17b20 |
89 | PerlInterpreter *sv_interp; |
79072805 |
90 | |
8990e307 |
91 | curinterp = 0; |
93a17b20 |
92 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 |
93 | return sv_interp; |
94 | } |
95 | |
96 | void |
97 | perl_construct( sv_interp ) |
93a17b20 |
98 | register PerlInterpreter *sv_interp; |
79072805 |
99 | { |
0f15f207 |
100 | #if defined(USE_THREADS) && !defined(FAKE_THREADS) |
11343788 |
101 | struct thread *thr; |
0f15f207 |
102 | #endif |
11343788 |
103 | |
79072805 |
104 | if (!(curinterp = sv_interp)) |
105 | return; |
106 | |
8990e307 |
107 | #ifdef MULTIPLICITY |
93a17b20 |
108 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 |
109 | #endif |
79072805 |
110 | |
11343788 |
111 | #ifdef USE_THREADS |
112 | #ifdef NEED_PTHREAD_INIT |
113 | pthread_init(); |
114 | #endif /* NEED_PTHREAD_INIT */ |
115 | New(53, thr, 1, struct thread); |
0f15f207 |
116 | #ifdef FAKE_THREADS |
117 | self = thr; |
118 | thr->next = thr->prev = thr->next_run = thr->prev_run = thr; |
119 | thr->wait_queue = 0; |
120 | thr->private = 0; |
121 | #else |
11343788 |
122 | self = pthread_self(); |
123 | if (pthread_key_create(&thr_key, thread_destruct)) |
124 | croak("panic: pthread_key_create"); |
125 | if (pthread_setspecific(thr_key, (void *) thr)) |
126 | croak("panic: pthread_setspecific"); |
0f15f207 |
127 | #endif /* !FAKE_THREADS */ |
11343788 |
128 | nthreads = 1; |
129 | cvcache = newHV(); |
f93b4edd |
130 | thrflags = 0; |
0f15f207 |
131 | curcop = &compiling; |
11343788 |
132 | #endif /* USE_THREADS */ |
133 | |
79072805 |
134 | /* Init the real globals? */ |
135 | if (!linestr) { |
136 | linestr = NEWSV(65,80); |
ed6116ce |
137 | sv_upgrade(linestr,SVt_PVIV); |
79072805 |
138 | |
6e72f9df |
139 | if (!SvREADONLY(&sv_undef)) { |
140 | SvREADONLY_on(&sv_undef); |
79072805 |
141 | |
6e72f9df |
142 | sv_setpv(&sv_no,No); |
143 | SvNV(&sv_no); |
144 | SvREADONLY_on(&sv_no); |
79072805 |
145 | |
6e72f9df |
146 | sv_setpv(&sv_yes,Yes); |
147 | SvNV(&sv_yes); |
148 | SvREADONLY_on(&sv_yes); |
149 | } |
79072805 |
150 | |
c07a80fd |
151 | nrs = newSVpv("\n", 1); |
152 | rs = SvREFCNT_inc(nrs); |
153 | |
11343788 |
154 | MUTEX_INIT(&malloc_mutex); |
155 | MUTEX_INIT(&sv_mutex); |
156 | MUTEX_INIT(&eval_mutex); |
157 | MUTEX_INIT(&nthreads_mutex); |
158 | COND_INIT(&nthreads_cond); |
159 | |
44a8e56a |
160 | pidstatus = newHV(); |
161 | |
79072805 |
162 | #ifdef MSDOS |
163 | /* |
164 | * There is no way we can refer to them from Perl so close them to save |
165 | * space. The other alternative would be to provide STDAUX and STDPRN |
166 | * filehandles. |
167 | */ |
168 | (void)fclose(stdaux); |
169 | (void)fclose(stdprn); |
170 | #endif |
171 | } |
172 | |
8990e307 |
173 | #ifdef MULTIPLICITY |
8ebc5c01 |
174 | I_REINIT; |
175 | perl_destruct_level = 1; |
176 | #else |
177 | if(perl_destruct_level > 0) |
178 | I_REINIT; |
79072805 |
179 | #endif |
180 | |
748a9306 |
181 | init_ids(); |
a5f75d66 |
182 | |
54310121 |
183 | start_env.je_prev = NULL; |
184 | start_env.je_ret = -1; |
185 | start_env.je_mustcatch = TRUE; |
186 | top_env = &start_env; |
f86702cc |
187 | STATUS_ALL_SUCCESS; |
188 | |
36477c24 |
189 | SET_NUMERIC_STANDARD(); |
a5f75d66 |
190 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 |
191 | sprintf(patchlevel, "%7.5f", (double) 5 |
192 | + ((double) PATCHLEVEL / (double) 1000) |
193 | + ((double) SUBVERSION / (double) 100000)); |
a5f75d66 |
194 | #else |
e2666263 |
195 | sprintf(patchlevel, "%5.3f", (double) 5 + |
196 | ((double) PATCHLEVEL / (double) 1000)); |
a5f75d66 |
197 | #endif |
79072805 |
198 | |
ab821d7f |
199 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df |
200 | localpatches = local_patches; /* For possible -v */ |
ab821d7f |
201 | #endif |
202 | |
760ac839 |
203 | PerlIO_init(); /* Hook to IO system */ |
204 | |
79072805 |
205 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 |
206 | |
11343788 |
207 | init_stacks(ARGS); |
208 | DEBUG( { |
209 | New(51,debname,128,char); |
210 | New(52,debdelim,128,char); |
211 | } ) |
212 | |
8990e307 |
213 | ENTER; |
79072805 |
214 | } |
215 | |
11343788 |
216 | #ifdef USE_THREADS |
217 | void |
218 | thread_destruct(arg) |
219 | void *arg; |
220 | { |
221 | struct thread *thr = (struct thread *) arg; |
222 | /* |
223 | * Decrement the global thread count and signal anyone listening. |
224 | * The only official thread listening is the original thread while |
225 | * in perl_destruct. It waits until it's the only thread and then |
226 | * performs END blocks and other process clean-ups. |
227 | */ |
228 | DEBUG_L(fprintf(stderr, "thread_destruct: 0x%lx\n", (unsigned long) thr)); |
229 | |
230 | Safefree(thr); |
231 | MUTEX_LOCK(&nthreads_mutex); |
232 | nthreads--; |
233 | COND_BROADCAST(&nthreads_cond); |
234 | MUTEX_UNLOCK(&nthreads_mutex); |
235 | } |
236 | #endif /* USE_THREADS */ |
237 | |
79072805 |
238 | void |
748a9306 |
239 | perl_destruct(sv_interp) |
93a17b20 |
240 | register PerlInterpreter *sv_interp; |
79072805 |
241 | { |
11343788 |
242 | dTHR; |
748a9306 |
243 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 |
244 | I32 last_sv_count; |
a0d0e21e |
245 | HV *hv; |
8990e307 |
246 | |
79072805 |
247 | if (!(curinterp = sv_interp)) |
248 | return; |
748a9306 |
249 | |
11343788 |
250 | #ifdef USE_THREADS |
0f15f207 |
251 | #ifndef FAKE_THREADS |
11343788 |
252 | /* Wait until all user-created threads go away */ |
253 | MUTEX_LOCK(&nthreads_mutex); |
254 | while (nthreads > 1) |
255 | { |
256 | DEBUG_L(fprintf(stderr, "perl_destruct: waiting for %d threads\n", |
257 | nthreads - 1)); |
258 | COND_WAIT(&nthreads_cond, &nthreads_mutex); |
259 | } |
260 | /* At this point, we're the last thread */ |
261 | MUTEX_UNLOCK(&nthreads_mutex); |
262 | DEBUG_L(fprintf(stderr, "perl_destruct: armageddon has arrived\n")); |
263 | MUTEX_DESTROY(&nthreads_mutex); |
264 | COND_DESTROY(&nthreads_cond); |
0f15f207 |
265 | #endif /* !defined(FAKE_THREADS) */ |
11343788 |
266 | #endif /* USE_THREADS */ |
267 | |
748a9306 |
268 | destruct_level = perl_destruct_level; |
4633a7c4 |
269 | #ifdef DEBUGGING |
270 | { |
271 | char *s; |
5f05dabc |
272 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
273 | int i = atoi(s); |
274 | if (destruct_level < i) |
275 | destruct_level = i; |
276 | } |
4633a7c4 |
277 | } |
278 | #endif |
279 | |
8990e307 |
280 | LEAVE; |
a0d0e21e |
281 | FREETMPS; |
282 | |
ff0cee69 |
283 | /* We must account for everything. */ |
284 | |
285 | /* Destroy the main CV and syntax tree */ |
6e72f9df |
286 | if (main_root) { |
287 | curpad = AvARRAY(comppad); |
288 | op_free(main_root); |
ff0cee69 |
289 | main_root = Nullop; |
a0d0e21e |
290 | } |
ff0cee69 |
291 | main_start = Nullop; |
292 | SvREFCNT_dec(main_cv); |
293 | main_cv = Nullcv; |
294 | |
a0d0e21e |
295 | if (sv_objcount) { |
296 | /* |
297 | * Try to destruct global references. We do this first so that the |
298 | * destructors and destructees still exist. Some sv's might remain. |
299 | * Non-referenced objects are on their own. |
300 | */ |
301 | |
302 | dirty = TRUE; |
303 | sv_clean_objs(); |
8990e307 |
304 | } |
305 | |
5cd24f17 |
306 | /* unhook hooks which will soon be, or use, destroyed data */ |
307 | SvREFCNT_dec(warnhook); |
308 | warnhook = Nullsv; |
309 | SvREFCNT_dec(diehook); |
310 | diehook = Nullsv; |
311 | SvREFCNT_dec(parsehook); |
312 | parsehook = Nullsv; |
313 | |
a0d0e21e |
314 | if (destruct_level == 0){ |
8990e307 |
315 | |
a0d0e21e |
316 | DEBUG_P(debprofdump()); |
317 | |
318 | /* The exit() function will do everything that needs doing. */ |
319 | return; |
320 | } |
5dd60ef7 |
321 | |
5f05dabc |
322 | /* loosen bonds of global variables */ |
323 | |
8ebc5c01 |
324 | if(rsfp) { |
325 | (void)PerlIO_close(rsfp); |
326 | rsfp = Nullfp; |
327 | } |
328 | |
329 | /* Filters for program text */ |
330 | SvREFCNT_dec(rsfp_filters); |
331 | rsfp_filters = Nullav; |
332 | |
333 | /* switches */ |
334 | preprocess = FALSE; |
335 | minus_n = FALSE; |
336 | minus_p = FALSE; |
337 | minus_l = FALSE; |
338 | minus_a = FALSE; |
339 | minus_F = FALSE; |
340 | doswitches = FALSE; |
341 | dowarn = FALSE; |
342 | doextract = FALSE; |
343 | sawampersand = FALSE; /* must save all match strings */ |
344 | sawstudy = FALSE; /* do fbm_instr on all strings */ |
345 | sawvec = FALSE; |
346 | unsafe = FALSE; |
347 | |
348 | Safefree(inplace); |
349 | inplace = Nullch; |
350 | |
351 | Safefree(e_tmpname); |
352 | e_tmpname = Nullch; |
353 | |
354 | if (e_fp) { |
355 | PerlIO_close(e_fp); |
356 | e_fp = Nullfp; |
357 | } |
358 | |
359 | /* magical thingies */ |
360 | |
361 | Safefree(ofs); /* $, */ |
362 | ofs = Nullch; |
5f05dabc |
363 | |
8ebc5c01 |
364 | Safefree(ors); /* $\ */ |
365 | ors = Nullch; |
366 | |
367 | SvREFCNT_dec(nrs); /* $\ helper */ |
5f05dabc |
368 | nrs = Nullsv; |
369 | |
8ebc5c01 |
370 | multiline = 0; /* $* */ |
5f05dabc |
371 | |
8ebc5c01 |
372 | SvREFCNT_dec(statname); |
5f05dabc |
373 | statname = Nullsv; |
374 | statgv = Nullgv; |
5f05dabc |
375 | |
8ebc5c01 |
376 | /* defgv, aka *_ should be taken care of elsewhere */ |
377 | |
378 | #if 0 /* just about all regexp stuff, seems to be ok */ |
379 | |
380 | /* shortcuts to regexp stuff */ |
381 | leftgv = Nullgv; |
382 | ampergv = Nullgv; |
383 | |
384 | SAVEFREEOP(curpm); |
385 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ |
386 | |
387 | regprecomp = NULL; /* uncompiled string. */ |
388 | regparse = NULL; /* Input-scan pointer. */ |
389 | regxend = NULL; /* End of input for compile */ |
390 | regnpar = 0; /* () count. */ |
391 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ |
392 | regsize = 0; /* Code size. */ |
393 | regnaughty = 0; /* How bad is this pattern? */ |
394 | regsawback = 0; /* Did we see \1, ...? */ |
395 | |
396 | reginput = NULL; /* String-input pointer. */ |
397 | regbol = NULL; /* Beginning of input, for ^ check. */ |
398 | regeol = NULL; /* End of input, for $ check. */ |
399 | regstartp = (char **)NULL; /* Pointer to startp array. */ |
400 | regendp = (char **)NULL; /* Ditto for endp. */ |
401 | reglastparen = 0; /* Similarly for lastparen. */ |
402 | regtill = NULL; /* How far we are required to go. */ |
403 | regflags = 0; /* are we folding, multilining? */ |
404 | regprev = (char)NULL; /* char before regbol, \n if none */ |
405 | |
406 | #endif /* if 0 */ |
407 | |
408 | /* clean up after study() */ |
409 | SvREFCNT_dec(lastscream); |
410 | lastscream = Nullsv; |
411 | Safefree(screamfirst); |
412 | screamfirst = 0; |
413 | Safefree(screamnext); |
414 | screamnext = 0; |
415 | |
416 | /* startup and shutdown function lists */ |
417 | SvREFCNT_dec(beginav); |
418 | SvREFCNT_dec(endav); |
5618dfe8 |
419 | beginav = Nullav; |
5618dfe8 |
420 | endav = Nullav; |
421 | |
8ebc5c01 |
422 | /* temp stack during pp_sort() */ |
423 | SvREFCNT_dec(sortstack); |
424 | sortstack = Nullav; |
425 | |
426 | /* shortcuts just get cleared */ |
427 | envgv = Nullgv; |
428 | siggv = Nullgv; |
429 | incgv = Nullgv; |
430 | errgv = Nullgv; |
431 | argvgv = Nullgv; |
432 | argvoutgv = Nullgv; |
433 | stdingv = Nullgv; |
434 | last_in_gv = Nullgv; |
435 | |
436 | /* reset so print() ends up where we expect */ |
437 | setdefout(Nullgv); |
438 | |
a0d0e21e |
439 | /* Prepare to destruct main symbol table. */ |
5f05dabc |
440 | |
a0d0e21e |
441 | hv = defstash; |
85e6fe83 |
442 | defstash = 0; |
a0d0e21e |
443 | SvREFCNT_dec(hv); |
444 | |
445 | FREETMPS; |
446 | if (destruct_level >= 2) { |
447 | if (scopestack_ix != 0) |
ff0cee69 |
448 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
449 | (long)scopestack_ix); |
a0d0e21e |
450 | if (savestack_ix != 0) |
ff0cee69 |
451 | warn("Unbalanced saves: %ld more saves than restores\n", |
452 | (long)savestack_ix); |
a0d0e21e |
453 | if (tmps_floor != -1) |
ff0cee69 |
454 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
455 | (long)tmps_floor + 1); |
a0d0e21e |
456 | if (cxstack_ix != -1) |
ff0cee69 |
457 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
458 | (long)cxstack_ix + 1); |
a0d0e21e |
459 | } |
8990e307 |
460 | |
461 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
8990e307 |
462 | last_sv_count = 0; |
6e72f9df |
463 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 |
464 | while (sv_count != 0 && sv_count != last_sv_count) { |
465 | last_sv_count = sv_count; |
466 | sv_clean_all(); |
467 | } |
6e72f9df |
468 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
469 | SvFLAGS(strtab) |= SVt_PVHV; |
470 | |
471 | /* Destruct the global string table. */ |
472 | { |
473 | /* Yell and reset the HeVAL() slots that are still holding refcounts, |
474 | * so that sv_free() won't fail on them. |
475 | */ |
476 | I32 riter; |
477 | I32 max; |
478 | HE *hent; |
479 | HE **array; |
480 | |
481 | riter = 0; |
482 | max = HvMAX(strtab); |
483 | array = HvARRAY(strtab); |
484 | hent = array[0]; |
485 | for (;;) { |
486 | if (hent) { |
487 | warn("Unbalanced string table refcount: (%d) for \"%s\"", |
488 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
489 | HeVAL(hent) = Nullsv; |
490 | hent = HeNEXT(hent); |
491 | } |
492 | if (!hent) { |
493 | if (++riter > max) |
494 | break; |
495 | hent = array[riter]; |
496 | } |
497 | } |
498 | } |
499 | SvREFCNT_dec(strtab); |
500 | |
8990e307 |
501 | if (sv_count != 0) |
ff0cee69 |
502 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df |
503 | |
4633a7c4 |
504 | sv_free_arenas(); |
44a8e56a |
505 | |
506 | /* No SVs have survived, need to clean out */ |
507 | linestr = NULL; |
508 | pidstatus = Nullhv; |
6e72f9df |
509 | if (origfilename) |
510 | Safefree(origfilename); |
511 | nuke_stacks(); |
fc36a67e |
512 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e |
513 | |
514 | DEBUG_P(debprofdump()); |
11343788 |
515 | #ifdef USE_THREADS |
516 | MUTEX_DESTROY(&sv_mutex); |
517 | MUTEX_DESTROY(&malloc_mutex); |
518 | MUTEX_DESTROY(&eval_mutex); |
519 | #endif /* USE_THREADS */ |
fc36a67e |
520 | |
521 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
522 | |
523 | if (mess_sv) { |
524 | /* we know that type >= SVt_PV */ |
525 | SvOOK_off(mess_sv); |
526 | Safefree(SvPVX(mess_sv)); |
527 | Safefree(SvANY(mess_sv)); |
528 | Safefree(mess_sv); |
529 | mess_sv = Nullsv; |
530 | } |
79072805 |
531 | } |
532 | |
533 | void |
534 | perl_free(sv_interp) |
93a17b20 |
535 | PerlInterpreter *sv_interp; |
79072805 |
536 | { |
537 | if (!(curinterp = sv_interp)) |
538 | return; |
539 | Safefree(sv_interp); |
540 | } |
541 | |
542 | int |
a0d0e21e |
543 | perl_parse(sv_interp, xsinit, argc, argv, env) |
93a17b20 |
544 | PerlInterpreter *sv_interp; |
a0d0e21e |
545 | void (*xsinit)_((void)); |
546 | int argc; |
547 | char **argv; |
79072805 |
548 | char **env; |
8d063cd8 |
549 | { |
11343788 |
550 | dTHR; |
79072805 |
551 | register SV *sv; |
8d063cd8 |
552 | register char *s; |
1a30305b |
553 | char *scriptname = NULL; |
a0d0e21e |
554 | VOL bool dosearch = FALSE; |
13281fa4 |
555 | char *validarg = ""; |
2ae324a7 |
556 | I32 oldscope; |
748a9306 |
557 | AV* comppadlist; |
54310121 |
558 | dJMPENV; |
22921e25 |
559 | int ret; |
8d063cd8 |
560 | |
a687059c |
561 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
562 | #ifdef IAMSUID |
563 | #undef IAMSUID |
463ee0b2 |
564 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c |
565 | setuid perl scripts securely.\n"); |
566 | #endif |
567 | #endif |
568 | |
79072805 |
569 | if (!(curinterp = sv_interp)) |
570 | return 255; |
571 | |
6e72f9df |
572 | #if defined(NeXT) && defined(__DYNAMIC__) |
573 | _dyld_lookup_and_bind |
574 | ("__environ", (unsigned long *) &environ_pointer, NULL); |
575 | #endif /* environ */ |
576 | |
ac58e20f |
577 | origargv = argv; |
578 | origargc = argc; |
a0d0e21e |
579 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 |
580 | origenviron = environ; |
a0d0e21e |
581 | #endif |
ab821d7f |
582 | e_tmpname = Nullch; |
a0d0e21e |
583 | |
584 | if (do_undump) { |
585 | |
586 | /* Come here if running an undumped a.out. */ |
587 | |
588 | origfilename = savepv(argv[0]); |
589 | do_undump = FALSE; |
590 | cxstack_ix = -1; /* start label stack again */ |
748a9306 |
591 | init_ids(); |
a0d0e21e |
592 | init_postdump_symbols(argc,argv,env); |
593 | return 0; |
594 | } |
595 | |
ff0cee69 |
596 | if (main_root) { |
597 | curpad = AvARRAY(comppad); |
a0d0e21e |
598 | op_free(main_root); |
ff0cee69 |
599 | main_root = Nullop; |
600 | } |
601 | main_start = Nullop; |
602 | SvREFCNT_dec(main_cv); |
603 | main_cv = Nullcv; |
79072805 |
604 | |
f86702cc |
605 | time(&basetime); |
2ae324a7 |
606 | oldscope = scopestack_ix; |
f86702cc |
607 | |
22921e25 |
608 | JMPENV_PUSH(ret); |
609 | switch (ret) { |
79072805 |
610 | case 1: |
f86702cc |
611 | STATUS_ALL_FAILURE; |
612 | /* FALL THROUGH */ |
79072805 |
613 | case 2: |
f86702cc |
614 | /* my_exit() was called */ |
2ae324a7 |
615 | while (scopestack_ix > oldscope) |
616 | LEAVE; |
8990e307 |
617 | curstash = defstash; |
618 | if (endav) |
68dc0745 |
619 | call_list(oldscope, endav); |
54310121 |
620 | JMPENV_POP; |
f86702cc |
621 | return STATUS_NATIVE_EXPORT; |
79072805 |
622 | case 3: |
54310121 |
623 | JMPENV_POP; |
760ac839 |
624 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 |
625 | return 1; |
79072805 |
626 | } |
627 | |
79072805 |
628 | sv_setpvn(linestr,"",0); |
629 | sv = newSVpv("",0); /* first used for -I flags */ |
8990e307 |
630 | SAVEFREESV(sv); |
79072805 |
631 | init_main_stash(); |
54310121 |
632 | |
33b78306 |
633 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 |
634 | if (argv[0][0] != '-' || !argv[0][1]) |
635 | break; |
13281fa4 |
636 | #ifdef DOSUID |
637 | if (*validarg) |
638 | validarg = " PHOOEY "; |
639 | else |
640 | validarg = argv[0]; |
641 | #endif |
642 | s = argv[0]+1; |
8d063cd8 |
643 | reswitch: |
13281fa4 |
644 | switch (*s) { |
27e2fb84 |
645 | case '0': |
2304df62 |
646 | case 'F': |
378cc40b |
647 | case 'a': |
33b78306 |
648 | case 'c': |
a687059c |
649 | case 'd': |
8d063cd8 |
650 | case 'D': |
4633a7c4 |
651 | case 'h': |
33b78306 |
652 | case 'i': |
fe14fcc3 |
653 | case 'l': |
1a30305b |
654 | case 'M': |
655 | case 'm': |
33b78306 |
656 | case 'n': |
657 | case 'p': |
79072805 |
658 | case 's': |
33b78306 |
659 | case 'u': |
660 | case 'U': |
661 | case 'v': |
662 | case 'w': |
663 | if (s = moreswitches(s)) |
664 | goto reswitch; |
8d063cd8 |
665 | break; |
33b78306 |
666 | |
f86702cc |
667 | case 'T': |
668 | tainting = TRUE; |
669 | s++; |
670 | goto reswitch; |
671 | |
8d063cd8 |
672 | case 'e': |
a687059c |
673 | if (euid != uid || egid != gid) |
463ee0b2 |
674 | croak("No -e allowed in setuid scripts"); |
8d063cd8 |
675 | if (!e_fp) { |
a0d0e21e |
676 | e_tmpname = savepv(TMPPATH); |
a687059c |
677 | (void)mktemp(e_tmpname); |
83025b21 |
678 | if (!*e_tmpname) |
463ee0b2 |
679 | croak("Can't mktemp()"); |
760ac839 |
680 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 |
681 | if (!e_fp) |
463ee0b2 |
682 | croak("Cannot open temporary file"); |
8d063cd8 |
683 | } |
552a7a9b |
684 | if (*++s) |
685 | PerlIO_puts(e_fp,s); |
686 | else if (argv[1]) { |
760ac839 |
687 | PerlIO_puts(e_fp,argv[1]); |
33b78306 |
688 | argc--,argv++; |
689 | } |
552a7a9b |
690 | else |
691 | croak("No code specified for -e"); |
760ac839 |
692 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 |
693 | break; |
694 | case 'I': |
bbce6d69 |
695 | forbid_setid("-I"); |
79072805 |
696 | sv_catpv(sv,"-"); |
697 | sv_catpv(sv,s); |
698 | sv_catpv(sv," "); |
a687059c |
699 | if (*++s) { |
774d564b |
700 | incpush(s, TRUE); |
378cc40b |
701 | } |
33b78306 |
702 | else if (argv[1]) { |
774d564b |
703 | incpush(argv[1], TRUE); |
79072805 |
704 | sv_catpv(sv,argv[1]); |
8d063cd8 |
705 | argc--,argv++; |
79072805 |
706 | sv_catpv(sv," "); |
8d063cd8 |
707 | } |
708 | break; |
8d063cd8 |
709 | case 'P': |
bbce6d69 |
710 | forbid_setid("-P"); |
8d063cd8 |
711 | preprocess = TRUE; |
13281fa4 |
712 | s++; |
8d063cd8 |
713 | goto reswitch; |
378cc40b |
714 | case 'S': |
bbce6d69 |
715 | forbid_setid("-S"); |
378cc40b |
716 | dosearch = TRUE; |
13281fa4 |
717 | s++; |
378cc40b |
718 | goto reswitch; |
1a30305b |
719 | case 'V': |
720 | if (!preambleav) |
721 | preambleav = newAV(); |
722 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); |
723 | if (*++s != ':') { |
6e72f9df |
724 | Sv = newSVpv("print myconfig();",0); |
725 | #ifdef VMS |
726 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
727 | #else |
728 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
729 | #endif |
54310121 |
730 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c |
731 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df |
732 | # ifdef DEBUGGING |
46fc3d4c |
733 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df |
734 | # endif |
54310121 |
735 | # ifdef NO_EMBED |
46fc3d4c |
736 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df |
737 | # endif |
738 | # ifdef MULTIPLICITY |
46fc3d4c |
739 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df |
740 | # endif |
46fc3d4c |
741 | sv_catpv(Sv,"\\n\","); |
6e72f9df |
742 | #endif |
743 | #if defined(LOCAL_PATCH_COUNT) |
54310121 |
744 | if (LOCAL_PATCH_COUNT > 0) { |
745 | int i; |
5cd24f17 |
746 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df |
747 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c |
748 | if (localpatches[i]) |
749 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); |
6e72f9df |
750 | } |
751 | } |
752 | #endif |
46fc3d4c |
753 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df |
754 | #ifdef __DATE__ |
755 | # ifdef __TIME__ |
46fc3d4c |
756 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df |
757 | # else |
46fc3d4c |
758 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df |
759 | # endif |
6e72f9df |
760 | #endif |
54310121 |
761 | sv_catpv(Sv, "; \ |
762 | $\"=\"\\n \"; \ |
763 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ |
764 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
765 | print \" \\@INC:\\n @INC\\n\";"); |
1a30305b |
766 | } |
767 | else { |
768 | Sv = newSVpv("config_vars(qw(",0); |
769 | sv_catpv(Sv, ++s); |
770 | sv_catpv(Sv, "))"); |
771 | s += strlen(s); |
772 | } |
773 | av_push(preambleav, Sv); |
c07a80fd |
774 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b |
775 | goto reswitch; |
33b78306 |
776 | case 'x': |
777 | doextract = TRUE; |
13281fa4 |
778 | s++; |
33b78306 |
779 | if (*s) |
a0d0e21e |
780 | cddir = savepv(s); |
33b78306 |
781 | break; |
8d063cd8 |
782 | case '-': |
783 | argc--,argv++; |
784 | goto switch_end; |
785 | case 0: |
786 | break; |
787 | default: |
463ee0b2 |
788 | croak("Unrecognized switch: -%s",s); |
8d063cd8 |
789 | } |
790 | } |
791 | switch_end: |
54310121 |
792 | |
793 | if (!tainting && (s = getenv("PERL5OPT"))) { |
794 | for (;;) { |
795 | while (isSPACE(*s)) |
796 | s++; |
797 | if (*s == '-') { |
798 | s++; |
799 | if (isSPACE(*s)) |
800 | continue; |
801 | } |
802 | if (!*s) |
803 | break; |
804 | if (!strchr("DIMUdmw", *s)) |
805 | croak("Illegal switch in PERL5OPT: -%c", *s); |
806 | s = moreswitches(s); |
807 | } |
808 | } |
809 | |
1a30305b |
810 | if (!scriptname) |
811 | scriptname = argv[0]; |
8d063cd8 |
812 | if (e_fp) { |
68dc0745 |
813 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
814 | #ifndef MULTIPLICITY |
815 | warn("Did you forget to compile with -DMULTIPLICITY?"); |
816 | #endif |
2304df62 |
817 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 |
818 | } |
ab821d7f |
819 | e_fp = Nullfp; |
8d063cd8 |
820 | argc++,argv--; |
45d8adaa |
821 | scriptname = e_tmpname; |
8d063cd8 |
822 | } |
79072805 |
823 | else if (scriptname == Nullch) { |
824 | #ifdef MSDOS |
760ac839 |
825 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff |
826 | moreswitches("h"); |
fe14fcc3 |
827 | #endif |
79072805 |
828 | scriptname = "-"; |
829 | } |
fe14fcc3 |
830 | |
79072805 |
831 | init_perllib(); |
8d063cd8 |
832 | |
79072805 |
833 | open_script(scriptname,dosearch,sv); |
8d063cd8 |
834 | |
96436eeb |
835 | validate_suid(validarg, scriptname); |
378cc40b |
836 | |
79072805 |
837 | if (doextract) |
838 | find_beginning(); |
839 | |
4fdae800 |
840 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 |
841 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c |
842 | CvUNIQUE_on(compcv); |
748a9306 |
843 | |
6e72f9df |
844 | comppad = newAV(); |
79072805 |
845 | av_push(comppad, Nullsv); |
846 | curpad = AvARRAY(comppad); |
6e72f9df |
847 | comppad_name = newAV(); |
8990e307 |
848 | comppad_name_fill = 0; |
e858de61 |
849 | min_intro_pending = 0; |
850 | padix = 0; |
11343788 |
851 | #ifdef USE_THREADS |
852 | av_store(comppad_name, 0, newSVpv("@_", 2)); |
e858de61 |
853 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 |
854 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 |
855 | CvOWNER(compcv) = 0; |
12ca11f6 |
856 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 |
857 | MUTEX_INIT(CvMUTEXP(compcv)); |
12ca11f6 |
858 | New(666, CvCONDP(compcv), 1, perl_cond); |
e858de61 |
859 | COND_INIT(CvCONDP(compcv)); |
11343788 |
860 | #endif /* USE_THREADS */ |
79072805 |
861 | |
748a9306 |
862 | comppadlist = newAV(); |
863 | AvREAL_off(comppadlist); |
8e07c86e |
864 | av_store(comppadlist, 0, (SV*)comppad_name); |
865 | av_store(comppadlist, 1, (SV*)comppad); |
748a9306 |
866 | CvPADLIST(compcv) = comppadlist; |
867 | |
6e72f9df |
868 | boot_core_UNIVERSAL(); |
a0d0e21e |
869 | if (xsinit) |
870 | (*xsinit)(); /* in case linked C routines want magical variables */ |
748a9306 |
871 | #ifdef VMS |
872 | init_os_extras(); |
873 | #endif |
93a17b20 |
874 | |
93a17b20 |
875 | init_predump_symbols(); |
8990e307 |
876 | if (!do_undump) |
877 | init_postdump_symbols(argc,argv,env); |
93a17b20 |
878 | |
79072805 |
879 | init_lexer(); |
880 | |
881 | /* now parse the script */ |
882 | |
883 | error_count = 0; |
884 | if (yyparse() || error_count) { |
885 | if (minus_c) |
463ee0b2 |
886 | croak("%s had compilation errors.\n", origfilename); |
79072805 |
887 | else { |
463ee0b2 |
888 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 |
889 | origfilename); |
378cc40b |
890 | } |
79072805 |
891 | } |
892 | curcop->cop_line = 0; |
893 | curstash = defstash; |
894 | preprocess = FALSE; |
ab821d7f |
895 | if (e_tmpname) { |
79072805 |
896 | (void)UNLINK(e_tmpname); |
ab821d7f |
897 | Safefree(e_tmpname); |
898 | e_tmpname = Nullch; |
378cc40b |
899 | } |
a687059c |
900 | |
93a17b20 |
901 | /* now that script is parsed, we can modify record separator */ |
c07a80fd |
902 | SvREFCNT_dec(rs); |
903 | rs = SvREFCNT_inc(nrs); |
904 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); |
45d8adaa |
905 | |
79072805 |
906 | if (do_undump) |
907 | my_unexec(); |
908 | |
8990e307 |
909 | if (dowarn) |
910 | gv_check(defstash); |
911 | |
a0d0e21e |
912 | LEAVE; |
913 | FREETMPS; |
c07a80fd |
914 | |
915 | #ifdef DEBUGGING_MSTATS |
916 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
917 | dump_mstats("after compilation:"); |
918 | #endif |
919 | |
a0d0e21e |
920 | ENTER; |
921 | restartop = 0; |
54310121 |
922 | JMPENV_POP; |
79072805 |
923 | return 0; |
924 | } |
925 | |
926 | int |
927 | perl_run(sv_interp) |
93a17b20 |
928 | PerlInterpreter *sv_interp; |
79072805 |
929 | { |
11343788 |
930 | dTHR; |
2ae324a7 |
931 | I32 oldscope; |
22921e25 |
932 | dJMPENV; |
933 | int ret; |
2ae324a7 |
934 | |
79072805 |
935 | if (!(curinterp = sv_interp)) |
936 | return 255; |
2ae324a7 |
937 | |
938 | oldscope = scopestack_ix; |
939 | |
22921e25 |
940 | JMPENV_PUSH(ret); |
941 | switch (ret) { |
79072805 |
942 | case 1: |
943 | cxstack_ix = -1; /* start context stack again */ |
944 | break; |
945 | case 2: |
f86702cc |
946 | /* my_exit() was called */ |
2ae324a7 |
947 | while (scopestack_ix > oldscope) |
948 | LEAVE; |
79072805 |
949 | curstash = defstash; |
93a17b20 |
950 | if (endav) |
68dc0745 |
951 | call_list(oldscope, endav); |
a0d0e21e |
952 | FREETMPS; |
c07a80fd |
953 | #ifdef DEBUGGING_MSTATS |
954 | if (getenv("PERL_DEBUG_MSTATS")) |
955 | dump_mstats("after execution: "); |
956 | #endif |
54310121 |
957 | JMPENV_POP; |
f86702cc |
958 | return STATUS_NATIVE_EXPORT; |
79072805 |
959 | case 3: |
960 | if (!restartop) { |
760ac839 |
961 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
962 | FREETMPS; |
54310121 |
963 | JMPENV_POP; |
8990e307 |
964 | return 1; |
83025b21 |
965 | } |
6e72f9df |
966 | if (curstack != mainstack) { |
79072805 |
967 | dSP; |
6e72f9df |
968 | SWITCHSTACK(curstack, mainstack); |
79072805 |
969 | } |
970 | break; |
8d063cd8 |
971 | } |
79072805 |
972 | |
760ac839 |
973 | DEBUG_r(PerlIO_printf(PerlIO_stderr(), "%s $` $& $' support.\n", |
6e72f9df |
974 | sawampersand ? "Enabling" : "Omitting")); |
975 | |
79072805 |
976 | if (!restartop) { |
977 | DEBUG_x(dump_all()); |
760ac839 |
978 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 |
979 | #ifdef USE_THREADS |
5dc0d613 |
980 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
981 | (unsigned long) thr)); |
11343788 |
982 | #endif /* USE_THREADS */ |
79072805 |
983 | |
984 | if (minus_c) { |
760ac839 |
985 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 |
986 | my_exit(0); |
987 | } |
a0d0e21e |
988 | if (perldb && DBsingle) |
c750a3ec |
989 | sv_setiv(DBsingle, 1); |
7d07dbc2 |
990 | if (initav) |
991 | call_list(oldscope, initav); |
45d8adaa |
992 | } |
79072805 |
993 | |
994 | /* do it */ |
995 | |
996 | if (restartop) { |
997 | op = restartop; |
998 | restartop = 0; |
ab821d7f |
999 | runops(); |
79072805 |
1000 | } |
1001 | else if (main_start) { |
4fdae800 |
1002 | CvDEPTH(main_cv) = 1; |
79072805 |
1003 | op = main_start; |
ab821d7f |
1004 | runops(); |
79072805 |
1005 | } |
79072805 |
1006 | |
1007 | my_exit(0); |
54310121 |
1008 | /* NOTREACHED */ |
a0d0e21e |
1009 | return 0; |
79072805 |
1010 | } |
1011 | |
a0d0e21e |
1012 | SV* |
1013 | perl_get_sv(name, create) |
1014 | char* name; |
1015 | I32 create; |
1016 | { |
1017 | GV* gv = gv_fetchpv(name, create, SVt_PV); |
1018 | if (gv) |
1019 | return GvSV(gv); |
1020 | return Nullsv; |
1021 | } |
1022 | |
1023 | AV* |
1024 | perl_get_av(name, create) |
1025 | char* name; |
1026 | I32 create; |
1027 | { |
1028 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); |
1029 | if (create) |
1030 | return GvAVn(gv); |
1031 | if (gv) |
1032 | return GvAV(gv); |
1033 | return Nullav; |
1034 | } |
1035 | |
1036 | HV* |
1037 | perl_get_hv(name, create) |
1038 | char* name; |
1039 | I32 create; |
1040 | { |
1041 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1042 | if (create) |
1043 | return GvHVn(gv); |
1044 | if (gv) |
1045 | return GvHV(gv); |
1046 | return Nullhv; |
1047 | } |
1048 | |
1049 | CV* |
1050 | perl_get_cv(name, create) |
1051 | char* name; |
1052 | I32 create; |
1053 | { |
1054 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); |
8ebc5c01 |
1055 | if (create && !GvCVu(gv)) |
774d564b |
1056 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e |
1057 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 |
1058 | Nullop, |
a0d0e21e |
1059 | Nullop); |
1060 | if (gv) |
8ebc5c01 |
1061 | return GvCVu(gv); |
a0d0e21e |
1062 | return Nullcv; |
1063 | } |
1064 | |
79072805 |
1065 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1066 | |
a0d0e21e |
1067 | I32 |
1068 | perl_call_argv(subname, flags, argv) |
8990e307 |
1069 | char *subname; |
a0d0e21e |
1070 | I32 flags; /* See G_* flags in cop.h */ |
1071 | register char **argv; /* null terminated arg list */ |
8990e307 |
1072 | { |
11343788 |
1073 | dTHR; |
a0d0e21e |
1074 | dSP; |
8990e307 |
1075 | |
a0d0e21e |
1076 | PUSHMARK(sp); |
1077 | if (argv) { |
8990e307 |
1078 | while (*argv) { |
a0d0e21e |
1079 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 |
1080 | argv++; |
1081 | } |
a0d0e21e |
1082 | PUTBACK; |
8990e307 |
1083 | } |
a0d0e21e |
1084 | return perl_call_pv(subname, flags); |
8990e307 |
1085 | } |
1086 | |
a0d0e21e |
1087 | I32 |
1088 | perl_call_pv(subname, flags) |
1089 | char *subname; /* name of the subroutine */ |
1090 | I32 flags; /* See G_* flags in cop.h */ |
1091 | { |
1092 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); |
1093 | } |
1094 | |
1095 | I32 |
1096 | perl_call_method(methname, flags) |
1097 | char *methname; /* name of the subroutine */ |
1098 | I32 flags; /* See G_* flags in cop.h */ |
1099 | { |
11343788 |
1100 | dTHR; |
a0d0e21e |
1101 | dSP; |
1102 | OP myop; |
1103 | if (!op) |
1104 | op = &myop; |
1105 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1106 | PUTBACK; |
11343788 |
1107 | pp_method(ARGS); |
a0d0e21e |
1108 | return perl_call_sv(*stack_sp--, flags); |
1109 | } |
1110 | |
1111 | /* May be called with any of a CV, a GV, or an SV containing the name. */ |
1112 | I32 |
1113 | perl_call_sv(sv, flags) |
1114 | SV* sv; |
1115 | I32 flags; /* See G_* flags in cop.h */ |
1116 | { |
11343788 |
1117 | dTHR; |
a0d0e21e |
1118 | LOGOP myop; /* fake syntax tree node */ |
1119 | SV** sp = stack_sp; |
aa689395 |
1120 | I32 oldmark; |
a0d0e21e |
1121 | I32 retval; |
a0d0e21e |
1122 | I32 oldscope; |
6e72f9df |
1123 | static CV *DBcv; |
54310121 |
1124 | bool oldcatch = CATCH_GET; |
1125 | dJMPENV; |
22921e25 |
1126 | int ret; |
1e422769 |
1127 | |
a0d0e21e |
1128 | if (flags & G_DISCARD) { |
1129 | ENTER; |
1130 | SAVETMPS; |
1131 | } |
1132 | |
aa689395 |
1133 | Zero(&myop, 1, LOGOP); |
54310121 |
1134 | myop.op_next = Nullop; |
f51d4af5 |
1135 | if (!(flags & G_NOARGS)) |
aa689395 |
1136 | myop.op_flags |= OPf_STACKED; |
54310121 |
1137 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1138 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1139 | OPf_WANT_SCALAR); |
462e5cf6 |
1140 | SAVEOP(); |
a0d0e21e |
1141 | op = (OP*)&myop; |
aa689395 |
1142 | |
a0d0e21e |
1143 | EXTEND(stack_sp, 1); |
1144 | *++stack_sp = sv; |
aa689395 |
1145 | oldmark = TOPMARK; |
a0d0e21e |
1146 | oldscope = scopestack_ix; |
1147 | |
36477c24 |
1148 | if (perldb && curstash != debstash |
1149 | /* Handle first BEGIN of -d. */ |
1150 | && (DBcv || (DBcv = GvCV(DBsub))) |
1151 | /* Try harder, since this may have been a sighandler, thus |
1152 | * curstash may be meaningless. */ |
1153 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) |
6e72f9df |
1154 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e |
1155 | |
1156 | if (flags & G_EVAL) { |
a0d0e21e |
1157 | cLOGOP->op_other = op; |
1158 | markstack_ptr--; |
4633a7c4 |
1159 | /* we're trying to emulate pp_entertry() here */ |
1160 | { |
1161 | register CONTEXT *cx; |
54310121 |
1162 | I32 gimme = GIMME_V; |
4633a7c4 |
1163 | |
1164 | ENTER; |
1165 | SAVETMPS; |
1166 | |
1167 | push_return(op->op_next); |
1168 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); |
1169 | PUSHEVAL(cx, 0, 0); |
1170 | eval_root = op; /* Only needed so that goto works right. */ |
1171 | |
1172 | in_eval = 1; |
1173 | if (flags & G_KEEPERR) |
1174 | in_eval |= 4; |
1175 | else |
1176 | sv_setpv(GvSV(errgv),""); |
1177 | } |
a0d0e21e |
1178 | markstack_ptr++; |
1179 | |
22921e25 |
1180 | JMPENV_PUSH(ret); |
1181 | switch (ret) { |
a0d0e21e |
1182 | case 0: |
1183 | break; |
1184 | case 1: |
f86702cc |
1185 | STATUS_ALL_FAILURE; |
a0d0e21e |
1186 | /* FALL THROUGH */ |
1187 | case 2: |
1188 | /* my_exit() was called */ |
1189 | curstash = defstash; |
1190 | FREETMPS; |
54310121 |
1191 | JMPENV_POP; |
a0d0e21e |
1192 | if (statusvalue) |
1193 | croak("Callback called exit"); |
f86702cc |
1194 | my_exit_jump(); |
a0d0e21e |
1195 | /* NOTREACHED */ |
1196 | case 3: |
1197 | if (restartop) { |
1198 | op = restartop; |
1199 | restartop = 0; |
54310121 |
1200 | break; |
a0d0e21e |
1201 | } |
1202 | stack_sp = stack_base + oldmark; |
1203 | if (flags & G_ARRAY) |
1204 | retval = 0; |
1205 | else { |
1206 | retval = 1; |
1207 | *++stack_sp = &sv_undef; |
1208 | } |
1209 | goto cleanup; |
1210 | } |
1211 | } |
1e422769 |
1212 | else |
54310121 |
1213 | CATCH_SET(TRUE); |
a0d0e21e |
1214 | |
1215 | if (op == (OP*)&myop) |
11343788 |
1216 | op = pp_entersub(ARGS); |
a0d0e21e |
1217 | if (op) |
ab821d7f |
1218 | runops(); |
a0d0e21e |
1219 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 |
1220 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
1221 | sv_setpv(GvSV(errgv),""); |
a0d0e21e |
1222 | |
1223 | cleanup: |
1224 | if (flags & G_EVAL) { |
1225 | if (scopestack_ix > oldscope) { |
a0a2876f |
1226 | SV **newsp; |
1227 | PMOP *newpm; |
1228 | I32 gimme; |
1229 | register CONTEXT *cx; |
1230 | I32 optype; |
1231 | |
1232 | POPBLOCK(cx,newpm); |
1233 | POPEVAL(cx); |
1234 | pop_return(); |
1235 | curpm = newpm; |
1236 | LEAVE; |
a0d0e21e |
1237 | } |
54310121 |
1238 | JMPENV_POP; |
a0d0e21e |
1239 | } |
1e422769 |
1240 | else |
54310121 |
1241 | CATCH_SET(oldcatch); |
1e422769 |
1242 | |
a0d0e21e |
1243 | if (flags & G_DISCARD) { |
1244 | stack_sp = stack_base + oldmark; |
1245 | retval = 0; |
1246 | FREETMPS; |
1247 | LEAVE; |
1248 | } |
1249 | return retval; |
1250 | } |
1251 | |
6e72f9df |
1252 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 |
1253 | |
a0d0e21e |
1254 | I32 |
4633a7c4 |
1255 | perl_eval_sv(sv, flags) |
8990e307 |
1256 | SV* sv; |
4633a7c4 |
1257 | I32 flags; /* See G_* flags in cop.h */ |
a0d0e21e |
1258 | { |
11343788 |
1259 | dTHR; |
a0d0e21e |
1260 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 |
1261 | SV** sp = stack_sp; |
1262 | I32 oldmark = sp - stack_base; |
1263 | I32 retval; |
4633a7c4 |
1264 | I32 oldscope; |
54310121 |
1265 | dJMPENV; |
22921e25 |
1266 | int ret; |
79072805 |
1267 | |
4633a7c4 |
1268 | if (flags & G_DISCARD) { |
1269 | ENTER; |
1270 | SAVETMPS; |
1271 | } |
1272 | |
462e5cf6 |
1273 | SAVEOP(); |
79072805 |
1274 | op = (OP*)&myop; |
a0d0e21e |
1275 | Zero(op, 1, UNOP); |
4633a7c4 |
1276 | EXTEND(stack_sp, 1); |
1277 | *++stack_sp = sv; |
1278 | oldscope = scopestack_ix; |
79072805 |
1279 | |
4633a7c4 |
1280 | if (!(flags & G_NOARGS)) |
1281 | myop.op_flags = OPf_STACKED; |
79072805 |
1282 | myop.op_next = Nullop; |
6e72f9df |
1283 | myop.op_type = OP_ENTEREVAL; |
54310121 |
1284 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1285 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1286 | OPf_WANT_SCALAR); |
6e72f9df |
1287 | if (flags & G_KEEPERR) |
1288 | myop.op_flags |= OPf_SPECIAL; |
4633a7c4 |
1289 | |
22921e25 |
1290 | JMPENV_PUSH(ret); |
1291 | switch (ret) { |
4633a7c4 |
1292 | case 0: |
1293 | break; |
1294 | case 1: |
f86702cc |
1295 | STATUS_ALL_FAILURE; |
4633a7c4 |
1296 | /* FALL THROUGH */ |
1297 | case 2: |
1298 | /* my_exit() was called */ |
1299 | curstash = defstash; |
1300 | FREETMPS; |
54310121 |
1301 | JMPENV_POP; |
4633a7c4 |
1302 | if (statusvalue) |
1303 | croak("Callback called exit"); |
f86702cc |
1304 | my_exit_jump(); |
4633a7c4 |
1305 | /* NOTREACHED */ |
1306 | case 3: |
1307 | if (restartop) { |
1308 | op = restartop; |
1309 | restartop = 0; |
54310121 |
1310 | break; |
4633a7c4 |
1311 | } |
1312 | stack_sp = stack_base + oldmark; |
1313 | if (flags & G_ARRAY) |
1314 | retval = 0; |
1315 | else { |
1316 | retval = 1; |
1317 | *++stack_sp = &sv_undef; |
1318 | } |
1319 | goto cleanup; |
1320 | } |
1321 | |
1322 | if (op == (OP*)&myop) |
11343788 |
1323 | op = pp_entereval(ARGS); |
4633a7c4 |
1324 | if (op) |
ab821d7f |
1325 | runops(); |
4633a7c4 |
1326 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df |
1327 | if (!(flags & G_KEEPERR)) |
4633a7c4 |
1328 | sv_setpv(GvSV(errgv),""); |
1329 | |
1330 | cleanup: |
54310121 |
1331 | JMPENV_POP; |
4633a7c4 |
1332 | if (flags & G_DISCARD) { |
1333 | stack_sp = stack_base + oldmark; |
1334 | retval = 0; |
1335 | FREETMPS; |
1336 | LEAVE; |
1337 | } |
1338 | return retval; |
1339 | } |
1340 | |
137443ea |
1341 | SV* |
1342 | perl_eval_pv(p, croak_on_error) |
1343 | char* p; |
1344 | I32 croak_on_error; |
1345 | { |
e858de61 |
1346 | dTHR; |
137443ea |
1347 | dSP; |
1348 | SV* sv = newSVpv(p, 0); |
1349 | |
1350 | PUSHMARK(sp); |
1351 | perl_eval_sv(sv, G_SCALAR); |
1352 | SvREFCNT_dec(sv); |
1353 | |
1354 | SPAGAIN; |
1355 | sv = POPs; |
1356 | PUTBACK; |
1357 | |
1358 | if (croak_on_error && SvTRUE(GvSV(errgv))) |
1359 | croak(SvPVx(GvSV(errgv), na)); |
1360 | |
1361 | return sv; |
1362 | } |
1363 | |
4633a7c4 |
1364 | /* Require a module. */ |
1365 | |
1366 | void |
1367 | perl_require_pv(pv) |
1368 | char* pv; |
1369 | { |
1370 | SV* sv = sv_newmortal(); |
1371 | sv_setpv(sv, "require '"); |
1372 | sv_catpv(sv, pv); |
1373 | sv_catpv(sv, "'"); |
1374 | perl_eval_sv(sv, G_DISCARD); |
79072805 |
1375 | } |
1376 | |
79072805 |
1377 | void |
79072805 |
1378 | magicname(sym,name,namlen) |
1379 | char *sym; |
1380 | char *name; |
1381 | I32 namlen; |
1382 | { |
1383 | register GV *gv; |
1384 | |
85e6fe83 |
1385 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 |
1386 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1387 | } |
1388 | |
ab821d7f |
1389 | static void |
1a30305b |
1390 | usage(name) /* XXX move this out into a module ? */ |
4633a7c4 |
1391 | char *name; |
1392 | { |
ab821d7f |
1393 | /* This message really ought to be max 23 lines. |
1394 | * Removed -h because the user already knows that opton. Others? */ |
1395 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
4633a7c4 |
1396 | printf("\n -0[octal] specify record separator (\\0, if no argument)"); |
ab821d7f |
1397 | printf("\n -a autosplit mode with -n or -p (splits $_ into @F)"); |
4633a7c4 |
1398 | printf("\n -c check syntax only (runs BEGIN and END blocks)"); |
1a30305b |
1399 | printf("\n -d[:debugger] run scripts under debugger"); |
4633a7c4 |
1400 | printf("\n -D[number/list] set debugging flags (argument is a bit mask or flags)"); |
ab821d7f |
1401 | printf("\n -e 'command' one line of script. Several -e's allowed. Omit [programfile]."); |
1402 | printf("\n -F/pattern/ split() pattern for autosplit (-a). The //'s are optional."); |
4633a7c4 |
1403 | printf("\n -i[extension] edit <> files in place (make backup if extension supplied)"); |
ab821d7f |
1404 | printf("\n -Idirectory specify @INC/#include directory (may be used more then once)"); |
4633a7c4 |
1405 | printf("\n -l[octal] enable line ending processing, specifies line teminator"); |
ab821d7f |
1406 | printf("\n -[mM][-]module.. executes `use/no module...' before executing your script."); |
4633a7c4 |
1407 | printf("\n -n assume 'while (<>) { ... }' loop arround your script"); |
1408 | printf("\n -p assume loop like -n but print line also like sed"); |
1409 | printf("\n -P run script through C preprocessor before compilation"); |
4633a7c4 |
1410 | printf("\n -s enable some switch parsing for switches after script name"); |
1411 | printf("\n -S look for the script using PATH environment variable"); |
1412 | printf("\n -T turn on tainting checks"); |
1413 | printf("\n -u dump core after parsing script"); |
1414 | printf("\n -U allow unsafe operations"); |
1415 | printf("\n -v print version number and patchlevel of perl"); |
1a30305b |
1416 | printf("\n -V[:variable] print perl configuration information"); |
ab821d7f |
1417 | printf("\n -w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT."); |
4633a7c4 |
1418 | printf("\n -x[directory] strip off text before #!perl line and perhaps cd to directory\n"); |
1419 | } |
1420 | |
79072805 |
1421 | /* This routine handles any switches that can be given during run */ |
1422 | |
1423 | char * |
1424 | moreswitches(s) |
1425 | char *s; |
1426 | { |
1427 | I32 numlen; |
c07a80fd |
1428 | U32 rschar; |
79072805 |
1429 | |
1430 | switch (*s) { |
1431 | case '0': |
c07a80fd |
1432 | rschar = scan_oct(s, 4, &numlen); |
1433 | SvREFCNT_dec(nrs); |
1434 | if (rschar & ~((U8)~0)) |
1435 | nrs = &sv_undef; |
1436 | else if (!rschar && numlen >= 2) |
1437 | nrs = newSVpv("", 0); |
1438 | else { |
1439 | char ch = rschar; |
1440 | nrs = newSVpv(&ch, 1); |
79072805 |
1441 | } |
1442 | return s + numlen; |
2304df62 |
1443 | case 'F': |
1444 | minus_F = TRUE; |
a0d0e21e |
1445 | splitstr = savepv(s + 1); |
2304df62 |
1446 | s += strlen(s); |
1447 | return s; |
79072805 |
1448 | case 'a': |
1449 | minus_a = TRUE; |
1450 | s++; |
1451 | return s; |
1452 | case 'c': |
1453 | minus_c = TRUE; |
1454 | s++; |
1455 | return s; |
1456 | case 'd': |
bbce6d69 |
1457 | forbid_setid("-d"); |
4633a7c4 |
1458 | s++; |
c07a80fd |
1459 | if (*s == ':' || *s == '=') { |
46fc3d4c |
1460 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 |
1461 | s += strlen(s); |
4633a7c4 |
1462 | } |
a0d0e21e |
1463 | if (!perldb) { |
1464 | perldb = TRUE; |
1465 | init_debugger(); |
1466 | } |
79072805 |
1467 | return s; |
1468 | case 'D': |
1469 | #ifdef DEBUGGING |
bbce6d69 |
1470 | forbid_setid("-D"); |
79072805 |
1471 | if (isALPHA(s[1])) { |
8990e307 |
1472 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 |
1473 | char *d; |
1474 | |
93a17b20 |
1475 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 |
1476 | debug |= 1 << (d - debopts); |
1477 | } |
1478 | else { |
1479 | debug = atoi(s+1); |
1480 | for (s++; isDIGIT(*s); s++) ; |
1481 | } |
8990e307 |
1482 | debug |= 0x80000000; |
79072805 |
1483 | #else |
1484 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e |
1485 | for (s++; isALNUM(*s); s++) ; |
79072805 |
1486 | #endif |
1487 | /*SUPPRESS 530*/ |
1488 | return s; |
4633a7c4 |
1489 | case 'h': |
1490 | usage(origargv[0]); |
1491 | exit(0); |
79072805 |
1492 | case 'i': |
1493 | if (inplace) |
1494 | Safefree(inplace); |
a0d0e21e |
1495 | inplace = savepv(s+1); |
79072805 |
1496 | /*SUPPRESS 530*/ |
1497 | for (s = inplace; *s && !isSPACE(*s); s++) ; |
1498 | *s = '\0'; |
1499 | break; |
1500 | case 'I': |
bbce6d69 |
1501 | forbid_setid("-I"); |
79072805 |
1502 | if (*++s) { |
774d564b |
1503 | char *e, *p; |
748a9306 |
1504 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b |
1505 | p = savepvn(s, e-s); |
1506 | incpush(p, TRUE); |
1507 | Safefree(p); |
748a9306 |
1508 | if (*e) |
1509 | return e; |
79072805 |
1510 | } |
1511 | else |
463ee0b2 |
1512 | croak("No space allowed after -I"); |
79072805 |
1513 | break; |
1514 | case 'l': |
1515 | minus_l = TRUE; |
1516 | s++; |
a0d0e21e |
1517 | if (ors) |
1518 | Safefree(ors); |
79072805 |
1519 | if (isDIGIT(*s)) { |
a0d0e21e |
1520 | ors = savepv("\n"); |
79072805 |
1521 | orslen = 1; |
1522 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); |
1523 | s += numlen; |
1524 | } |
1525 | else { |
c07a80fd |
1526 | if (RsPARA(nrs)) { |
6e72f9df |
1527 | ors = "\n\n"; |
c07a80fd |
1528 | orslen = 2; |
1529 | } |
1530 | else |
1531 | ors = SvPV(nrs, orslen); |
6e72f9df |
1532 | ors = savepvn(ors, orslen); |
79072805 |
1533 | } |
1534 | return s; |
1a30305b |
1535 | case 'M': |
bbce6d69 |
1536 | forbid_setid("-M"); /* XXX ? */ |
1a30305b |
1537 | /* FALL THROUGH */ |
1538 | case 'm': |
bbce6d69 |
1539 | forbid_setid("-m"); /* XXX ? */ |
1a30305b |
1540 | if (*++s) { |
a5f75d66 |
1541 | char *start; |
11343788 |
1542 | SV *sv; |
a5f75d66 |
1543 | char *use = "use "; |
1544 | /* -M-foo == 'no foo' */ |
1545 | if (*s == '-') { use = "no "; ++s; } |
11343788 |
1546 | sv = newSVpv(use,0); |
a5f75d66 |
1547 | start = s; |
1a30305b |
1548 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd |
1549 | while(isALNUM(*s) || *s==':') ++s; |
1550 | if (*s != '=') { |
11343788 |
1551 | sv_catpv(sv, start); |
c07a80fd |
1552 | if (*(start-1) == 'm') { |
1553 | if (*s != '\0') |
1554 | croak("Can't use '%c' after -mname", *s); |
11343788 |
1555 | sv_catpv( sv, " ()"); |
c07a80fd |
1556 | } |
1557 | } else { |
11343788 |
1558 | sv_catpvn(sv, start, s-start); |
1559 | sv_catpv(sv, " split(/,/,q{"); |
1560 | sv_catpv(sv, ++s); |
1561 | sv_catpv(sv, "})"); |
c07a80fd |
1562 | } |
1a30305b |
1563 | s += strlen(s); |
c07a80fd |
1564 | if (preambleav == NULL) |
1565 | preambleav = newAV(); |
11343788 |
1566 | av_push(preambleav, sv); |
1a30305b |
1567 | } |
1568 | else |
1569 | croak("No space allowed after -%c", *(s-1)); |
1570 | return s; |
79072805 |
1571 | case 'n': |
1572 | minus_n = TRUE; |
1573 | s++; |
1574 | return s; |
1575 | case 'p': |
1576 | minus_p = TRUE; |
1577 | s++; |
1578 | return s; |
1579 | case 's': |
bbce6d69 |
1580 | forbid_setid("-s"); |
79072805 |
1581 | doswitches = TRUE; |
1582 | s++; |
1583 | return s; |
463ee0b2 |
1584 | case 'T': |
f86702cc |
1585 | if (!tainting) |
9607fc9c |
1586 | croak("Too late for \"-T\" option"); |
463ee0b2 |
1587 | s++; |
1588 | return s; |
79072805 |
1589 | case 'u': |
1590 | do_undump = TRUE; |
1591 | s++; |
1592 | return s; |
1593 | case 'U': |
1594 | unsafe = TRUE; |
1595 | s++; |
1596 | return s; |
1597 | case 'v': |
a5f75d66 |
1598 | #if defined(SUBVERSION) && SUBVERSION > 0 |
1599 | printf("\nThis is perl, version 5.%03d_%02d", PATCHLEVEL, SUBVERSION); |
1600 | #else |
1601 | printf("\nThis is perl, version %s",patchlevel); |
1602 | #endif |
1a30305b |
1603 | |
44a8e56a |
1604 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 |
1605 | #ifdef MSDOS |
55497cff |
1606 | printf("\n\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
1607 | #endif |
1608 | #ifdef DJGPP |
1609 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); |
4633a7c4 |
1610 | #endif |
79072805 |
1611 | #ifdef OS2 |
5dd60ef7 |
1612 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c |
1613 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 |
1614 | #endif |
79072805 |
1615 | #ifdef atarist |
760ac839 |
1616 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 |
1617 | #endif |
760ac839 |
1618 | printf("\n\ |
79072805 |
1619 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 |
1620 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 |
1621 | exit(0); |
1622 | case 'w': |
1623 | dowarn = TRUE; |
1624 | s++; |
1625 | return s; |
a0d0e21e |
1626 | case '*': |
79072805 |
1627 | case ' ': |
1628 | if (s[1] == '-') /* Additional switches on #! line. */ |
1629 | return s+2; |
1630 | break; |
a0d0e21e |
1631 | case '-': |
79072805 |
1632 | case 0: |
1633 | case '\n': |
1634 | case '\t': |
1635 | break; |
aa689395 |
1636 | #ifdef ALTERNATE_SHEBANG |
1637 | case 'S': /* OS/2 needs -S on "extproc" line. */ |
1638 | break; |
1639 | #endif |
a0d0e21e |
1640 | case 'P': |
1641 | if (preprocess) |
1642 | return s+1; |
1643 | /* FALL THROUGH */ |
79072805 |
1644 | default: |
a0d0e21e |
1645 | croak("Can't emulate -%.1s on #! line",s); |
79072805 |
1646 | } |
1647 | return Nullch; |
1648 | } |
1649 | |
1650 | /* compliments of Tom Christiansen */ |
1651 | |
1652 | /* unexec() can be found in the Gnu emacs distribution */ |
1653 | |
1654 | void |
1655 | my_unexec() |
1656 | { |
1657 | #ifdef UNEXEC |
46fc3d4c |
1658 | SV* prog; |
1659 | SV* file; |
79072805 |
1660 | int status; |
1661 | extern int etext; |
1662 | |
46fc3d4c |
1663 | prog = newSVpv(BIN_EXP); |
1664 | sv_catpv(prog, "/perl"); |
1665 | file = newSVpv(origfilename); |
1666 | sv_catpv(file, ".perldump"); |
79072805 |
1667 | |
46fc3d4c |
1668 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 |
1669 | if (status) |
46fc3d4c |
1670 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1671 | SvPVX(prog), SvPVX(file)); |
a0d0e21e |
1672 | exit(status); |
79072805 |
1673 | #else |
a5f75d66 |
1674 | # ifdef VMS |
1675 | # include <lib$routines.h> |
1676 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
aa689395 |
1677 | # else |
79072805 |
1678 | ABORT(); /* for use with undump */ |
aa689395 |
1679 | # endif |
a5f75d66 |
1680 | #endif |
79072805 |
1681 | } |
1682 | |
1683 | static void |
1684 | init_main_stash() |
1685 | { |
11343788 |
1686 | dTHR; |
463ee0b2 |
1687 | GV *gv; |
6e72f9df |
1688 | |
1689 | /* Note that strtab is a rather special HV. Assumptions are made |
1690 | about not iterating on it, and not adding tie magic to it. |
1691 | It is properly deallocated in perl_destruct() */ |
1692 | strtab = newHV(); |
1693 | HvSHAREKEYS_off(strtab); /* mandatory */ |
1694 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, |
1695 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); |
1696 | |
463ee0b2 |
1697 | curstash = defstash = newHV(); |
79072805 |
1698 | curstname = newSVpv("main",4); |
adbc6bb1 |
1699 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1700 | SvREFCNT_dec(GvHV(gv)); |
1701 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); |
463ee0b2 |
1702 | SvREADONLY_on(gv); |
a0d0e21e |
1703 | HvNAME(defstash) = savepv("main"); |
85e6fe83 |
1704 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 |
1705 | GvMULTI_on(incgv); |
a0d0e21e |
1706 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
4633a7c4 |
1707 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
a5f75d66 |
1708 | GvMULTI_on(errgv); |
552a7a9b |
1709 | sv_setpvn(GvSV(errgv), "", 0); |
8990e307 |
1710 | curstash = defstash; |
1711 | compiling.cop_stash = defstash; |
adbc6bb1 |
1712 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 |
1713 | /* We must init $/ before switches are processed. */ |
1714 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); |
79072805 |
1715 | } |
1716 | |
a0d0e21e |
1717 | #ifdef CAN_PROTOTYPE |
1718 | static void |
1719 | open_script(char *scriptname, bool dosearch, SV *sv) |
1720 | #else |
79072805 |
1721 | static void |
1722 | open_script(scriptname,dosearch,sv) |
1723 | char *scriptname; |
1724 | bool dosearch; |
1725 | SV *sv; |
a0d0e21e |
1726 | #endif |
79072805 |
1727 | { |
0f15f207 |
1728 | dTHR; |
79072805 |
1729 | char *xfound = Nullch; |
1730 | char *xfailed = Nullch; |
1731 | register char *s; |
1732 | I32 len; |
a38d6535 |
1733 | int retval; |
1734 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) |
fc36a67e |
1735 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1736 | # define MAX_EXT_LEN 4 |
a38d6535 |
1737 | #endif |
ab821d7f |
1738 | #ifdef VMS |
1739 | # define SEARCH_EXTS ".pl", ".com", NULL |
fc36a67e |
1740 | # define MAX_EXT_LEN 4 |
ab821d7f |
1741 | #endif |
a38d6535 |
1742 | /* additional extensions to try in each dir if scriptname not found */ |
1743 | #ifdef SEARCH_EXTS |
1744 | char *ext[] = { SEARCH_EXTS }; |
1745 | int extidx = (strchr(scriptname,'.')) ? -1 : 0; /* has ext already */ |
fc36a67e |
1746 | #else |
1747 | # define MAX_EXT_LEN 0 |
a38d6535 |
1748 | #endif |
79072805 |
1749 | |
c07a80fd |
1750 | #ifdef VMS |
6e72f9df |
1751 | if (dosearch) { |
1752 | int hasdir, idx = 0, deftypes = 1; |
1753 | |
1754 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; |
1755 | /* The first time through, just add SEARCH_EXTS to whatever we |
1756 | * already have, so we can check for default file types. */ |
fc36a67e |
1757 | while (deftypes || |
1758 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) |
1759 | { |
1760 | if (deftypes) { |
1761 | deftypes = 0; |
1762 | *tokenbuf = '\0'; |
1763 | } |
1764 | if ((strlen(tokenbuf) + strlen(scriptname) |
1765 | + MAX_EXT_LEN) >= sizeof tokenbuf) |
1766 | continue; /* don't search dir with too-long name */ |
1767 | strcat(tokenbuf, scriptname); |
c07a80fd |
1768 | #else /* !VMS */ |
93a17b20 |
1769 | if (dosearch && !strchr(scriptname, '/') && (s = getenv("PATH"))) { |
79072805 |
1770 | bufend = s + strlen(s); |
fc36a67e |
1771 | while (s < bufend) { |
1772 | #ifndef atarist |
1773 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, |
1774 | #ifdef DOSISH |
1775 | ';', |
79072805 |
1776 | #else |
fc36a67e |
1777 | ':', |
79072805 |
1778 | #endif |
fc36a67e |
1779 | &len); |
1780 | #else /* atarist */ |
1781 | for (len = 0; *s && *s != ',' && *s != ';'; len++, s++) { |
1782 | if (len < sizeof tokenbuf) |
1783 | tokenbuf[len] = *s; |
1784 | } |
1785 | if (len < sizeof tokenbuf) |
1786 | tokenbuf[len] = '\0'; |
1787 | #endif /* atarist */ |
1788 | if (s < bufend) |
79072805 |
1789 | s++; |
fc36a67e |
1790 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1791 | continue; /* don't search dir with too-long name */ |
1792 | if (len |
1793 | #if defined(atarist) && !defined(DOSISH) |
1794 | && tokenbuf[len - 1] != '/' |
79072805 |
1795 | #endif |
fc36a67e |
1796 | #if defined(atarist) || defined(DOSISH) |
1797 | && tokenbuf[len - 1] != '\\' |
79072805 |
1798 | #endif |
fc36a67e |
1799 | ) |
1800 | tokenbuf[len++] = '/'; |
1801 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd |
1802 | #endif /* !VMS */ |
a38d6535 |
1803 | |
1804 | #ifdef SEARCH_EXTS |
1805 | len = strlen(tokenbuf); |
1806 | if (extidx > 0) /* reset after previous loop */ |
1807 | extidx = 0; |
1808 | do { |
1809 | #endif |
760ac839 |
1810 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 |
1811 | retval = Stat(tokenbuf,&statbuf); |
1812 | #ifdef SEARCH_EXTS |
1813 | } while ( retval < 0 /* not there */ |
1814 | && extidx>=0 && ext[extidx] /* try an extension? */ |
1815 | && strcpy(tokenbuf+len, ext[extidx++]) |
1816 | ); |
1817 | #endif |
1818 | if (retval < 0) |
79072805 |
1819 | continue; |
1820 | if (S_ISREG(statbuf.st_mode) |
c90c0ff4 |
1821 | && cando(S_IRUSR,TRUE,&statbuf) |
1822 | #ifndef DOSISH |
1823 | && cando(S_IXUSR,TRUE,&statbuf) |
1824 | #endif |
1825 | ) |
1826 | { |
79072805 |
1827 | xfound = tokenbuf; /* bingo! */ |
1828 | break; |
1829 | } |
1830 | if (!xfailed) |
a0d0e21e |
1831 | xfailed = savepv(tokenbuf); |
79072805 |
1832 | } |
1833 | if (!xfound) |
463ee0b2 |
1834 | croak("Can't execute %s", xfailed ? xfailed : scriptname ); |
79072805 |
1835 | if (xfailed) |
1836 | Safefree(xfailed); |
1837 | scriptname = xfound; |
1838 | } |
1839 | |
96436eeb |
1840 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1841 | char *s = scriptname + 8; |
1842 | fdscript = atoi(s); |
1843 | while (isDIGIT(*s)) |
1844 | s++; |
1845 | if (*s) |
1846 | scriptname = s + 1; |
1847 | } |
1848 | else |
1849 | fdscript = -1; |
ab821d7f |
1850 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 |
1851 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1852 | if (strEQ(origfilename,"-")) |
1853 | scriptname = ""; |
96436eeb |
1854 | if (fdscript >= 0) { |
760ac839 |
1855 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb |
1856 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
1857 | if (rsfp) |
1858 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
1859 | #endif |
1860 | } |
1861 | else if (preprocess) { |
46fc3d4c |
1862 | char *cpp_cfg = CPPSTDIN; |
1863 | SV *cpp = NEWSV(0,0); |
1864 | SV *cmd = NEWSV(0,0); |
1865 | |
1866 | if (strEQ(cpp_cfg, "cppstdin")) |
1867 | sv_catpvf(cpp, "%s/", BIN_EXP); |
1868 | sv_catpv(cpp, cpp_cfg); |
79072805 |
1869 | |
79072805 |
1870 | sv_catpv(sv,"-I"); |
fed7345c |
1871 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c |
1872 | |
79072805 |
1873 | #ifdef MSDOS |
46fc3d4c |
1874 | sv_setpvf(cmd, "\ |
79072805 |
1875 | sed %s -e \"/^[^#]/b\" \ |
1876 | -e \"/^#[ ]*include[ ]/b\" \ |
1877 | -e \"/^#[ ]*define[ ]/b\" \ |
1878 | -e \"/^#[ ]*if[ ]/b\" \ |
1879 | -e \"/^#[ ]*ifdef[ ]/b\" \ |
1880 | -e \"/^#[ ]*ifndef[ ]/b\" \ |
1881 | -e \"/^#[ ]*else/b\" \ |
1882 | -e \"/^#[ ]*elif[ ]/b\" \ |
1883 | -e \"/^#[ ]*undef[ ]/b\" \ |
1884 | -e \"/^#[ ]*endif/b\" \ |
1885 | -e \"s/^#.*//\" \ |
fc36a67e |
1886 | %s | %_ -C %_ %s", |
79072805 |
1887 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
1888 | #else |
46fc3d4c |
1889 | sv_setpvf(cmd, "\ |
79072805 |
1890 | %s %s -e '/^[^#]/b' \ |
1891 | -e '/^#[ ]*include[ ]/b' \ |
1892 | -e '/^#[ ]*define[ ]/b' \ |
1893 | -e '/^#[ ]*if[ ]/b' \ |
1894 | -e '/^#[ ]*ifdef[ ]/b' \ |
1895 | -e '/^#[ ]*ifndef[ ]/b' \ |
1896 | -e '/^#[ ]*else/b' \ |
1897 | -e '/^#[ ]*elif[ ]/b' \ |
1898 | -e '/^#[ ]*undef[ ]/b' \ |
1899 | -e '/^#[ ]*endif/b' \ |
1900 | -e 's/^[ ]*#.*//' \ |
fc36a67e |
1901 | %s | %_ -C %_ %s", |
79072805 |
1902 | #ifdef LOC_SED |
1903 | LOC_SED, |
1904 | #else |
1905 | "sed", |
1906 | #endif |
1907 | (doextract ? "-e '1,/^#/d\n'" : ""), |
1908 | #endif |
46fc3d4c |
1909 | scriptname, cpp, sv, CPPMINUS); |
79072805 |
1910 | doextract = FALSE; |
1911 | #ifdef IAMSUID /* actually, this is caught earlier */ |
1912 | if (euid != uid && !euid) { /* if running suidperl */ |
1913 | #ifdef HAS_SETEUID |
1914 | (void)seteuid(uid); /* musn't stay setuid root */ |
1915 | #else |
1916 | #ifdef HAS_SETREUID |
85e6fe83 |
1917 | (void)setreuid((Uid_t)-1, uid); |
1918 | #else |
1919 | #ifdef HAS_SETRESUID |
1920 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); |
79072805 |
1921 | #else |
1922 | setuid(uid); |
1923 | #endif |
1924 | #endif |
85e6fe83 |
1925 | #endif |
79072805 |
1926 | if (geteuid() != uid) |
463ee0b2 |
1927 | croak("Can't do seteuid!\n"); |
79072805 |
1928 | } |
1929 | #endif /* IAMSUID */ |
46fc3d4c |
1930 | rsfp = my_popen(SvPVX(cmd), "r"); |
1931 | SvREFCNT_dec(cmd); |
1932 | SvREFCNT_dec(cpp); |
79072805 |
1933 | } |
1934 | else if (!*scriptname) { |
bbce6d69 |
1935 | forbid_setid("program input from stdin"); |
760ac839 |
1936 | rsfp = PerlIO_stdin(); |
79072805 |
1937 | } |
96436eeb |
1938 | else { |
760ac839 |
1939 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb |
1940 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
1941 | if (rsfp) |
1942 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
1943 | #endif |
1944 | } |
5dd60ef7 |
1945 | if (e_tmpname) { |
1946 | e_fp = rsfp; |
1947 | } |
7aa04957 |
1948 | if (!rsfp) { |
13281fa4 |
1949 | #ifdef DOSUID |
a687059c |
1950 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e |
1951 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 |
1952 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c |
1953 | /* try again */ |
1954 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 |
1955 | croak("Can't do setuid\n"); |
13281fa4 |
1956 | } |
1957 | #endif |
1958 | #endif |
463ee0b2 |
1959 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 |
1960 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 |
1961 | } |
79072805 |
1962 | } |
8d063cd8 |
1963 | |
79072805 |
1964 | static void |
96436eeb |
1965 | validate_suid(validarg, scriptname) |
79072805 |
1966 | char *validarg; |
96436eeb |
1967 | char *scriptname; |
79072805 |
1968 | { |
96436eeb |
1969 | int which; |
1970 | |
13281fa4 |
1971 | /* do we need to emulate setuid on scripts? */ |
1972 | |
1973 | /* This code is for those BSD systems that have setuid #! scripts disabled |
1974 | * in the kernel because of a security problem. Merely defining DOSUID |
1975 | * in perl will not fix that problem, but if you have disabled setuid |
1976 | * scripts in the kernel, this will attempt to emulate setuid and setgid |
1977 | * on scripts that have those now-otherwise-useless bits set. The setuid |
27e2fb84 |
1978 | * root version must be called suidperl or sperlN.NNN. If regular perl |
1979 | * discovers that it has opened a setuid script, it calls suidperl with |
1980 | * the same argv that it had. If suidperl finds that the script it has |
1981 | * just opened is NOT setuid root, it sets the effective uid back to the |
1982 | * uid. We don't just make perl setuid root because that loses the |
1983 | * effective uid we had before invoking perl, if it was different from the |
1984 | * uid. |
13281fa4 |
1985 | * |
1986 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must |
1987 | * be defined in suidperl only. suidperl must be setuid root. The |
1988 | * Configure script will set this up for you if you want it. |
1989 | */ |
a687059c |
1990 | |
13281fa4 |
1991 | #ifdef DOSUID |
6e72f9df |
1992 | char *s, *s2; |
a0d0e21e |
1993 | |
760ac839 |
1994 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 |
1995 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb |
1996 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 |
1997 | I32 len; |
13281fa4 |
1998 | |
a687059c |
1999 | #ifdef IAMSUID |
fe14fcc3 |
2000 | #ifndef HAS_SETREUID |
a687059c |
2001 | /* On this access check to make sure the directories are readable, |
2002 | * there is actually a small window that the user could use to make |
2003 | * filename point to an accessible directory. So there is a faint |
2004 | * chance that someone could execute a setuid script down in a |
2005 | * non-accessible directory. I don't know what to do about that. |
2006 | * But I don't think it's too important. The manual lies when |
2007 | * it says access() is useful in setuid programs. |
2008 | */ |
463ee0b2 |
2009 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
2010 | croak("Permission denied"); |
a687059c |
2011 | #else |
2012 | /* If we can swap euid and uid, then we can determine access rights |
2013 | * with a simple stat of the file, and then compare device and |
2014 | * inode to make sure we did stat() on the same file we opened. |
2015 | * Then we just have to make sure he or she can execute it. |
2016 | */ |
2017 | { |
2018 | struct stat tmpstatbuf; |
2019 | |
85e6fe83 |
2020 | if ( |
2021 | #ifdef HAS_SETREUID |
2022 | setreuid(euid,uid) < 0 |
a0d0e21e |
2023 | #else |
2024 | # if HAS_SETRESUID |
85e6fe83 |
2025 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e |
2026 | # endif |
85e6fe83 |
2027 | #endif |
2028 | || getuid() != euid || geteuid() != uid) |
463ee0b2 |
2029 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e |
2030 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 |
2031 | croak("Permission denied"); /* testing full pathname here */ |
a687059c |
2032 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2033 | tmpstatbuf.st_ino != statbuf.st_ino) { |
760ac839 |
2034 | (void)PerlIO_close(rsfp); |
79072805 |
2035 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 |
2036 | PerlIO_printf(rsfp, |
ff0cee69 |
2037 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2038 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", |
2039 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, |
2040 | (long)statbuf.st_dev, (long)statbuf.st_ino, |
463ee0b2 |
2041 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 |
2042 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 |
2043 | (void)my_pclose(rsfp); |
a687059c |
2044 | } |
463ee0b2 |
2045 | croak("Permission denied\n"); |
a687059c |
2046 | } |
85e6fe83 |
2047 | if ( |
2048 | #ifdef HAS_SETREUID |
2049 | setreuid(uid,euid) < 0 |
a0d0e21e |
2050 | #else |
2051 | # if defined(HAS_SETRESUID) |
85e6fe83 |
2052 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e |
2053 | # endif |
85e6fe83 |
2054 | #endif |
2055 | || getuid() != uid || geteuid() != euid) |
463ee0b2 |
2056 | croak("Can't reswap uid and euid"); |
27e2fb84 |
2057 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 |
2058 | croak("Permission denied\n"); |
a687059c |
2059 | } |
fe14fcc3 |
2060 | #endif /* HAS_SETREUID */ |
a687059c |
2061 | #endif /* IAMSUID */ |
2062 | |
27e2fb84 |
2063 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 |
2064 | croak("Permission denied"); |
27e2fb84 |
2065 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 |
2066 | croak("Setuid/gid script is writable by world"); |
13281fa4 |
2067 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 |
2068 | curcop->cop_line++; |
760ac839 |
2069 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2070 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ |
463ee0b2 |
2071 | croak("No #! line"); |
760ac839 |
2072 | s = SvPV(linestr,na)+2; |
663a0e37 |
2073 | if (*s == ' ') s++; |
45d8adaa |
2074 | while (!isSPACE(*s)) s++; |
760ac839 |
2075 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df |
2076 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2077 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ |
463ee0b2 |
2078 | croak("Not a perl script"); |
a687059c |
2079 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 |
2080 | /* |
2081 | * #! arg must be what we saw above. They can invoke it by |
2082 | * mentioning suidperl explicitly, but they may not add any strange |
2083 | * arguments beyond what #! says if they do invoke suidperl that way. |
2084 | */ |
2085 | len = strlen(validarg); |
2086 | if (strEQ(validarg," PHOOEY ") || |
45d8adaa |
2087 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 |
2088 | croak("Args must match #! line"); |
a687059c |
2089 | |
2090 | #ifndef IAMSUID |
2091 | if (euid != uid && (statbuf.st_mode & S_ISUID) && |
2092 | euid == statbuf.st_uid) |
2093 | if (!do_undump) |
463ee0b2 |
2094 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2095 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2096 | #endif /* IAMSUID */ |
13281fa4 |
2097 | |
2098 | if (euid) { /* oops, we're not the setuid root perl */ |
760ac839 |
2099 | (void)PerlIO_close(rsfp); |
13281fa4 |
2100 | #ifndef IAMSUID |
46fc3d4c |
2101 | /* try again */ |
2102 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 |
2103 | #endif |
463ee0b2 |
2104 | croak("Can't do setuid\n"); |
13281fa4 |
2105 | } |
2106 | |
83025b21 |
2107 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 |
2108 | #ifdef HAS_SETEGID |
a687059c |
2109 | (void)setegid(statbuf.st_gid); |
2110 | #else |
fe14fcc3 |
2111 | #ifdef HAS_SETREGID |
85e6fe83 |
2112 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2113 | #else |
2114 | #ifdef HAS_SETRESGID |
2115 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); |
a687059c |
2116 | #else |
2117 | setgid(statbuf.st_gid); |
2118 | #endif |
2119 | #endif |
85e6fe83 |
2120 | #endif |
83025b21 |
2121 | if (getegid() != statbuf.st_gid) |
463ee0b2 |
2122 | croak("Can't do setegid!\n"); |
83025b21 |
2123 | } |
a687059c |
2124 | if (statbuf.st_mode & S_ISUID) { |
2125 | if (statbuf.st_uid != euid) |
fe14fcc3 |
2126 | #ifdef HAS_SETEUID |
a687059c |
2127 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2128 | #else |
fe14fcc3 |
2129 | #ifdef HAS_SETREUID |
85e6fe83 |
2130 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2131 | #else |
2132 | #ifdef HAS_SETRESUID |
2133 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); |
a687059c |
2134 | #else |
2135 | setuid(statbuf.st_uid); |
2136 | #endif |
2137 | #endif |
85e6fe83 |
2138 | #endif |
83025b21 |
2139 | if (geteuid() != statbuf.st_uid) |
463ee0b2 |
2140 | croak("Can't do seteuid!\n"); |
a687059c |
2141 | } |
83025b21 |
2142 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 |
2143 | #ifdef HAS_SETEUID |
85e6fe83 |
2144 | (void)seteuid((Uid_t)uid); |
a687059c |
2145 | #else |
fe14fcc3 |
2146 | #ifdef HAS_SETREUID |
85e6fe83 |
2147 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c |
2148 | #else |
85e6fe83 |
2149 | #ifdef HAS_SETRESUID |
2150 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); |
2151 | #else |
2152 | setuid((Uid_t)uid); |
2153 | #endif |
a687059c |
2154 | #endif |
2155 | #endif |
83025b21 |
2156 | if (geteuid() != uid) |
463ee0b2 |
2157 | croak("Can't do seteuid!\n"); |
83025b21 |
2158 | } |
748a9306 |
2159 | init_ids(); |
27e2fb84 |
2160 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 |
2161 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 |
2162 | } |
2163 | #ifdef IAMSUID |
2164 | else if (preprocess) |
463ee0b2 |
2165 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb |
2166 | else if (fdscript >= 0) |
2167 | croak("fd script not allowed in suidperl\n"); |
13281fa4 |
2168 | else |
463ee0b2 |
2169 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb |
2170 | |
2171 | /* We absolutely must clear out any saved ids here, so we */ |
2172 | /* exec the real perl, substituting fd script for scriptname. */ |
2173 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ |
760ac839 |
2174 | PerlIO_rewind(rsfp); |
2175 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb |
2176 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2177 | if (!origargv[which]) |
2178 | croak("Permission denied"); |
46fc3d4c |
2179 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2180 | PerlIO_fileno(rsfp), origargv[which])); |
96436eeb |
2181 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 |
2182 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb |
2183 | #endif |
46fc3d4c |
2184 | execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb |
2185 | croak("Can't do setuid\n"); |
13281fa4 |
2186 | #endif /* IAMSUID */ |
a687059c |
2187 | #else /* !DOSUID */ |
a687059c |
2188 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2189 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
760ac839 |
2190 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c |
2191 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2192 | || |
2193 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
2194 | ) |
2195 | if (!do_undump) |
463ee0b2 |
2196 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2197 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2198 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
2199 | /* not set-id, must be wrapped */ |
a687059c |
2200 | } |
13281fa4 |
2201 | #endif /* DOSUID */ |
79072805 |
2202 | } |
13281fa4 |
2203 | |
79072805 |
2204 | static void |
2205 | find_beginning() |
2206 | { |
6e72f9df |
2207 | register char *s, *s2; |
33b78306 |
2208 | |
2209 | /* skip forward in input to the real script? */ |
2210 | |
bbce6d69 |
2211 | forbid_setid("-x"); |
33b78306 |
2212 | while (doextract) { |
79072805 |
2213 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 |
2214 | croak("No Perl script found in input\n"); |
6e72f9df |
2215 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 |
2216 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 |
2217 | doextract = FALSE; |
6e72f9df |
2218 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2219 | s2 = s; |
2220 | while (*s == ' ' || *s == '\t') s++; |
2221 | if (*s++ == '-') { |
2222 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; |
2223 | if (strnEQ(s2-4,"perl",4)) |
2224 | /*SUPPRESS 530*/ |
2225 | while (s = moreswitches(s)) ; |
33b78306 |
2226 | } |
79072805 |
2227 | if (cddir && chdir(cddir) < 0) |
463ee0b2 |
2228 | croak("Can't chdir to %s",cddir); |
83025b21 |
2229 | } |
2230 | } |
2231 | } |
2232 | |
79072805 |
2233 | static void |
748a9306 |
2234 | init_ids() |
352d5a3a |
2235 | { |
748a9306 |
2236 | uid = (int)getuid(); |
2237 | euid = (int)geteuid(); |
2238 | gid = (int)getgid(); |
2239 | egid = (int)getegid(); |
2240 | #ifdef VMS |
2241 | uid |= gid << 16; |
2242 | euid |= egid << 16; |
2243 | #endif |
4633a7c4 |
2244 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 |
2245 | } |
79072805 |
2246 | |
748a9306 |
2247 | static void |
bbce6d69 |
2248 | forbid_setid(s) |
2249 | char *s; |
2250 | { |
2251 | if (euid != uid) |
2252 | croak("No %s allowed while running setuid", s); |
2253 | if (egid != gid) |
2254 | croak("No %s allowed while running setgid", s); |
2255 | } |
2256 | |
2257 | static void |
748a9306 |
2258 | init_debugger() |
2259 | { |
11343788 |
2260 | dTHR; |
79072805 |
2261 | curstash = debstash; |
748a9306 |
2262 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 |
2263 | AvREAL_off(dbargs); |
a0d0e21e |
2264 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2265 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); |
748a9306 |
2266 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2267 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2268 | sv_setiv(DBsingle, 0); |
748a9306 |
2269 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2270 | sv_setiv(DBtrace, 0); |
748a9306 |
2271 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2272 | sv_setiv(DBsignal, 0); |
79072805 |
2273 | curstash = defstash; |
352d5a3a |
2274 | } |
2275 | |
11343788 |
2276 | void |
2277 | init_stacks(ARGS) |
2278 | dARGS |
79072805 |
2279 | { |
6e72f9df |
2280 | curstack = newAV(); |
5f05dabc |
2281 | mainstack = curstack; /* remember in case we switch stacks */ |
2282 | AvREAL_off(curstack); /* not a real array */ |
6e72f9df |
2283 | av_extend(curstack,127); |
79072805 |
2284 | |
6e72f9df |
2285 | stack_base = AvARRAY(curstack); |
79072805 |
2286 | stack_sp = stack_base; |
8990e307 |
2287 | stack_max = stack_base + 127; |
79072805 |
2288 | |
a5f75d66 |
2289 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2290 | New(50,cxstack,cxstack_max + 1,CONTEXT); |
8990e307 |
2291 | cxstack_ix = -1; |
8990e307 |
2292 | |
2293 | New(50,tmps_stack,128,SV*); |
6d4ff0d2 |
2294 | tmps_floor = -1; |
8990e307 |
2295 | tmps_ix = -1; |
2296 | tmps_max = 128; |
2297 | |
5f05dabc |
2298 | /* |
2299 | * The following stacks almost certainly should be per-interpreter, |
2300 | * but for now they're not. XXX |
2301 | */ |
2302 | |
6e72f9df |
2303 | if (markstack) { |
2304 | markstack_ptr = markstack; |
2305 | } else { |
2306 | New(54,markstack,64,I32); |
2307 | markstack_ptr = markstack; |
2308 | markstack_max = markstack + 64; |
2309 | } |
79072805 |
2310 | |
6e72f9df |
2311 | if (scopestack) { |
2312 | scopestack_ix = 0; |
2313 | } else { |
2314 | New(54,scopestack,32,I32); |
2315 | scopestack_ix = 0; |
2316 | scopestack_max = 32; |
2317 | } |
79072805 |
2318 | |
6e72f9df |
2319 | if (savestack) { |
2320 | savestack_ix = 0; |
2321 | } else { |
2322 | New(54,savestack,128,ANY); |
2323 | savestack_ix = 0; |
2324 | savestack_max = 128; |
2325 | } |
79072805 |
2326 | |
6e72f9df |
2327 | if (retstack) { |
2328 | retstack_ix = 0; |
2329 | } else { |
2330 | New(54,retstack,16,OP*); |
2331 | retstack_ix = 0; |
2332 | retstack_max = 16; |
5f05dabc |
2333 | } |
378cc40b |
2334 | } |
33b78306 |
2335 | |
6e72f9df |
2336 | static void |
2337 | nuke_stacks() |
2338 | { |
e858de61 |
2339 | dTHR; |
6e72f9df |
2340 | Safefree(cxstack); |
2341 | Safefree(tmps_stack); |
5f05dabc |
2342 | DEBUG( { |
2343 | Safefree(debname); |
2344 | Safefree(debdelim); |
2345 | } ) |
378cc40b |
2346 | } |
33b78306 |
2347 | |
760ac839 |
2348 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 |
2349 | |
79072805 |
2350 | static void |
8990e307 |
2351 | init_lexer() |
2352 | { |
a0d0e21e |
2353 | tmpfp = rsfp; |
8990e307 |
2354 | lex_start(linestr); |
2355 | rsfp = tmpfp; |
2356 | subname = newSVpv("main",4); |
2357 | } |
2358 | |
2359 | static void |
79072805 |
2360 | init_predump_symbols() |
45d8adaa |
2361 | { |
11343788 |
2362 | dTHR; |
93a17b20 |
2363 | GV *tmpgv; |
a0d0e21e |
2364 | GV *othergv; |
79072805 |
2365 | |
85e6fe83 |
2366 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
79072805 |
2367 | |
85e6fe83 |
2368 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 |
2369 | GvMULTI_on(stdingv); |
760ac839 |
2370 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 |
2371 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 |
2372 | GvMULTI_on(tmpgv); |
a0d0e21e |
2373 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 |
2374 | |
85e6fe83 |
2375 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 |
2376 | GvMULTI_on(tmpgv); |
760ac839 |
2377 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 |
2378 | setdefout(tmpgv); |
adbc6bb1 |
2379 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 |
2380 | GvMULTI_on(tmpgv); |
a0d0e21e |
2381 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 |
2382 | |
a0d0e21e |
2383 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 |
2384 | GvMULTI_on(othergv); |
760ac839 |
2385 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 |
2386 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 |
2387 | GvMULTI_on(tmpgv); |
a0d0e21e |
2388 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 |
2389 | |
2390 | statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f |
2391 | |
6e72f9df |
2392 | if (!osname) |
2393 | osname = savepv(OSNAME); |
79072805 |
2394 | } |
33b78306 |
2395 | |
79072805 |
2396 | static void |
2397 | init_postdump_symbols(argc,argv,env) |
2398 | register int argc; |
2399 | register char **argv; |
2400 | register char **env; |
33b78306 |
2401 | { |
79072805 |
2402 | char *s; |
2403 | SV *sv; |
2404 | GV* tmpgv; |
fe14fcc3 |
2405 | |
79072805 |
2406 | argc--,argv++; /* skip name of script */ |
2407 | if (doswitches) { |
2408 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
2409 | if (!argv[0][1]) |
2410 | break; |
2411 | if (argv[0][1] == '-') { |
2412 | argc--,argv++; |
2413 | break; |
2414 | } |
93a17b20 |
2415 | if (s = strchr(argv[0], '=')) { |
79072805 |
2416 | *s++ = '\0'; |
85e6fe83 |
2417 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 |
2418 | } |
2419 | else |
85e6fe83 |
2420 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 |
2421 | } |
79072805 |
2422 | } |
2423 | toptarget = NEWSV(0,0); |
2424 | sv_upgrade(toptarget, SVt_PVFM); |
2425 | sv_setpvn(toptarget, "", 0); |
748a9306 |
2426 | bodytarget = NEWSV(0,0); |
79072805 |
2427 | sv_upgrade(bodytarget, SVt_PVFM); |
2428 | sv_setpvn(bodytarget, "", 0); |
2429 | formtarget = bodytarget; |
2430 | |
bbce6d69 |
2431 | TAINT; |
85e6fe83 |
2432 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 |
2433 | sv_setpv(GvSV(tmpgv),origfilename); |
2434 | magicname("0", "0", 1); |
2435 | } |
85e6fe83 |
2436 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 |
2437 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 |
2438 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 |
2439 | GvMULTI_on(argvgv); |
79072805 |
2440 | (void)gv_AVadd(argvgv); |
2441 | av_clear(GvAVn(argvgv)); |
2442 | for (; argc > 0; argc--,argv++) { |
a0d0e21e |
2443 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 |
2444 | } |
2445 | } |
85e6fe83 |
2446 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 |
2447 | HV *hv; |
a5f75d66 |
2448 | GvMULTI_on(envgv); |
79072805 |
2449 | hv = GvHVn(envgv); |
5aabfad6 |
2450 | hv_magic(hv, envgv, 'E'); |
a0d0e21e |
2451 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 |
2452 | /* Note that if the supplied env parameter is actually a copy |
2453 | of the global environ then it may now point to free'd memory |
2454 | if the environment has been modified since. To avoid this |
2455 | problem we treat env==NULL as meaning 'use the default' |
2456 | */ |
2457 | if (!env) |
2458 | env = environ; |
5aabfad6 |
2459 | if (env != environ) |
79072805 |
2460 | environ[0] = Nullch; |
2461 | for (; *env; env++) { |
93a17b20 |
2462 | if (!(s = strchr(*env,'='))) |
79072805 |
2463 | continue; |
2464 | *s++ = '\0'; |
137443ea |
2465 | #ifdef WIN32 |
2466 | (void)strupr(*env); |
2467 | #endif |
79072805 |
2468 | sv = newSVpv(s--,0); |
2469 | (void)hv_store(hv, *env, s - *env, sv, 0); |
2470 | *s = '='; |
fe14fcc3 |
2471 | } |
4550b24a |
2472 | #endif |
2473 | #ifdef DYNAMIC_ENV_FETCH |
2474 | HvNAME(hv) = savepv(ENV_HV_NAME); |
2475 | #endif |
79072805 |
2476 | } |
bbce6d69 |
2477 | TAINT_NOT; |
85e6fe83 |
2478 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 |
2479 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 |
2480 | } |
34de22dd |
2481 | |
79072805 |
2482 | static void |
2483 | init_perllib() |
34de22dd |
2484 | { |
85e6fe83 |
2485 | char *s; |
2486 | if (!tainting) { |
552a7a9b |
2487 | #ifndef VMS |
85e6fe83 |
2488 | s = getenv("PERL5LIB"); |
2489 | if (s) |
774d564b |
2490 | incpush(s, TRUE); |
85e6fe83 |
2491 | else |
774d564b |
2492 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b |
2493 | #else /* VMS */ |
2494 | /* Treat PERL5?LIB as a possible search list logical name -- the |
2495 | * "natural" VMS idiom for a Unix path string. We allow each |
2496 | * element to be a set of |-separated directories for compatibility. |
2497 | */ |
2498 | char buf[256]; |
2499 | int idx = 0; |
2500 | if (my_trnlnm("PERL5LIB",buf,0)) |
774d564b |
2501 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b |
2502 | else |
774d564b |
2503 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b |
2504 | #endif /* VMS */ |
85e6fe83 |
2505 | } |
34de22dd |
2506 | |
c90c0ff4 |
2507 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 |
2508 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2509 | */ |
4633a7c4 |
2510 | #ifdef APPLLIB_EXP |
774d564b |
2511 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 |
2512 | #endif |
4633a7c4 |
2513 | |
fed7345c |
2514 | #ifdef ARCHLIB_EXP |
774d564b |
2515 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e |
2516 | #endif |
fed7345c |
2517 | #ifndef PRIVLIB_EXP |
2518 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd |
2519 | #endif |
774d564b |
2520 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 |
2521 | |
2522 | #ifdef SITEARCH_EXP |
774d564b |
2523 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 |
2524 | #endif |
2525 | #ifdef SITELIB_EXP |
774d564b |
2526 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 |
2527 | #endif |
2528 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ |
774d564b |
2529 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 |
2530 | #endif |
a0d0e21e |
2531 | |
4633a7c4 |
2532 | if (!tainting) |
774d564b |
2533 | incpush(".", FALSE); |
2534 | } |
2535 | |
2536 | #if defined(DOSISH) |
2537 | # define PERLLIB_SEP ';' |
2538 | #else |
2539 | # if defined(VMS) |
2540 | # define PERLLIB_SEP '|' |
2541 | # else |
2542 | # define PERLLIB_SEP ':' |
2543 | # endif |
2544 | #endif |
2545 | #ifndef PERLLIB_MANGLE |
2546 | # define PERLLIB_MANGLE(s,n) (s) |
2547 | #endif |
2548 | |
2549 | static void |
2550 | incpush(p, addsubdirs) |
2551 | char *p; |
2552 | int addsubdirs; |
2553 | { |
2554 | SV *subdir = Nullsv; |
2555 | static char *archpat_auto; |
2556 | |
2557 | if (!p) |
2558 | return; |
2559 | |
2560 | if (addsubdirs) { |
2561 | subdir = newSV(0); |
2562 | if (!archpat_auto) { |
2563 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) |
2564 | + sizeof("//auto")); |
2565 | New(55, archpat_auto, len, char); |
2566 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); |
aa689395 |
2567 | #ifdef VMS |
2568 | for (len = sizeof(ARCHNAME) + 2; |
2569 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) |
2570 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; |
2571 | #endif |
774d564b |
2572 | } |
2573 | } |
2574 | |
2575 | /* Break at all separators */ |
2576 | while (p && *p) { |
2577 | SV *libdir = newSV(0); |
2578 | char *s; |
2579 | |
2580 | /* skip any consecutive separators */ |
2581 | while ( *p == PERLLIB_SEP ) { |
2582 | /* Uncomment the next line for PATH semantics */ |
2583 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ |
2584 | p++; |
2585 | } |
2586 | |
2587 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
2588 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
2589 | (STRLEN)(s - p)); |
2590 | p = s + 1; |
2591 | } |
2592 | else { |
2593 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); |
2594 | p = Nullch; /* break out */ |
2595 | } |
2596 | |
2597 | /* |
2598 | * BEFORE pushing libdir onto @INC we may first push version- and |
2599 | * archname-specific sub-directories. |
2600 | */ |
2601 | if (addsubdirs) { |
2602 | struct stat tmpstatbuf; |
aa689395 |
2603 | #ifdef VMS |
2604 | char *unix; |
2605 | STRLEN len; |
774d564b |
2606 | |
aa689395 |
2607 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2608 | len = strlen(unix); |
2609 | while (unix[len-1] == '/') len--; /* Cosmetic */ |
2610 | sv_usepvn(libdir,unix,len); |
2611 | } |
2612 | else |
2613 | PerlIO_printf(PerlIO_stderr(), |
2614 | "Failed to unixify @INC element \"%s\"\n", |
2615 | SvPV(libdir,na)); |
2616 | #endif |
4fdae800 |
2617 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b |
2618 | sv_setsv(subdir, libdir); |
2619 | sv_catpv(subdir, archpat_auto); |
2620 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
2621 | S_ISDIR(tmpstatbuf.st_mode)) |
2622 | av_push(GvAVn(incgv), |
2623 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2624 | |
4fdae800 |
2625 | /* .../archname if -d .../archname/auto */ |
774d564b |
2626 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2627 | strlen(patchlevel) + 1, "", 0); |
2628 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
2629 | S_ISDIR(tmpstatbuf.st_mode)) |
2630 | av_push(GvAVn(incgv), |
2631 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2632 | } |
2633 | |
2634 | /* finally push this lib directory on the end of @INC */ |
2635 | av_push(GvAVn(incgv), libdir); |
2636 | } |
2637 | |
2638 | SvREFCNT_dec(subdir); |
34de22dd |
2639 | } |
93a17b20 |
2640 | |
2641 | void |
68dc0745 |
2642 | call_list(oldscope, list) |
2ae324a7 |
2643 | I32 oldscope; |
93a17b20 |
2644 | AV* list; |
2645 | { |
11343788 |
2646 | dTHR; |
a0d0e21e |
2647 | line_t oldline = curcop->cop_line; |
22921e25 |
2648 | STRLEN len; |
2649 | dJMPENV; |
2650 | int ret; |
93a17b20 |
2651 | |
8990e307 |
2652 | while (AvFILL(list) >= 0) { |
2653 | CV *cv = (CV*)av_shift(list); |
93a17b20 |
2654 | |
8990e307 |
2655 | SAVEFREESV(cv); |
a0d0e21e |
2656 | |
22921e25 |
2657 | JMPENV_PUSH(ret); |
2658 | switch (ret) { |
748a9306 |
2659 | case 0: { |
4633a7c4 |
2660 | SV* atsv = GvSV(errgv); |
748a9306 |
2661 | PUSHMARK(stack_sp); |
2662 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); |
2663 | (void)SvPV(atsv, len); |
2664 | if (len) { |
54310121 |
2665 | JMPENV_POP; |
748a9306 |
2666 | curcop = &compiling; |
2667 | curcop->cop_line = oldline; |
2668 | if (list == beginav) |
2669 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
2670 | else |
2671 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 |
2672 | while (scopestack_ix > oldscope) |
2673 | LEAVE; |
748a9306 |
2674 | croak("%s", SvPVX(atsv)); |
2675 | } |
a0d0e21e |
2676 | } |
85e6fe83 |
2677 | break; |
2678 | case 1: |
f86702cc |
2679 | STATUS_ALL_FAILURE; |
85e6fe83 |
2680 | /* FALL THROUGH */ |
2681 | case 2: |
2682 | /* my_exit() was called */ |
2ae324a7 |
2683 | while (scopestack_ix > oldscope) |
2684 | LEAVE; |
85e6fe83 |
2685 | curstash = defstash; |
2686 | if (endav) |
68dc0745 |
2687 | call_list(oldscope, endav); |
a0d0e21e |
2688 | FREETMPS; |
54310121 |
2689 | JMPENV_POP; |
a0d0e21e |
2690 | curcop = &compiling; |
2691 | curcop->cop_line = oldline; |
85e6fe83 |
2692 | if (statusvalue) { |
2693 | if (list == beginav) |
a0d0e21e |
2694 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 |
2695 | else |
a0d0e21e |
2696 | croak("END failed--cleanup aborted"); |
85e6fe83 |
2697 | } |
f86702cc |
2698 | my_exit_jump(); |
85e6fe83 |
2699 | /* NOTREACHED */ |
85e6fe83 |
2700 | case 3: |
2701 | if (!restartop) { |
760ac839 |
2702 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
2703 | FREETMPS; |
85e6fe83 |
2704 | break; |
2705 | } |
54310121 |
2706 | JMPENV_POP; |
a0d0e21e |
2707 | curcop = &compiling; |
2708 | curcop->cop_line = oldline; |
54310121 |
2709 | JMPENV_JUMP(3); |
8990e307 |
2710 | } |
54310121 |
2711 | JMPENV_POP; |
93a17b20 |
2712 | } |
93a17b20 |
2713 | } |
93a17b20 |
2714 | |
f86702cc |
2715 | void |
2716 | my_exit(status) |
2717 | U32 status; |
2718 | { |
5dc0d613 |
2719 | dTHR; |
2720 | |
2721 | #ifdef USE_THREADS |
2722 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread 0x%lx, status %lu\n", |
2723 | (unsigned long) thr, (unsigned long) status)); |
2724 | #endif /* USE_THREADS */ |
f86702cc |
2725 | switch (status) { |
2726 | case 0: |
2727 | STATUS_ALL_SUCCESS; |
2728 | break; |
2729 | case 1: |
2730 | STATUS_ALL_FAILURE; |
2731 | break; |
2732 | default: |
2733 | STATUS_NATIVE_SET(status); |
2734 | break; |
2735 | } |
2736 | my_exit_jump(); |
2737 | } |
2738 | |
2739 | void |
2740 | my_failure_exit() |
2741 | { |
2742 | #ifdef VMS |
2743 | if (vaxc$errno & 1) { |
4fdae800 |
2744 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2745 | STATUS_NATIVE_SET(44); |
f86702cc |
2746 | } |
2747 | else { |
ff0cee69 |
2748 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 |
2749 | STATUS_NATIVE_SET(44); |
f86702cc |
2750 | else |
4fdae800 |
2751 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc |
2752 | } |
2753 | #else |
2754 | if (errno & 255) |
2755 | STATUS_POSIX_SET(errno); |
2756 | else if (STATUS_POSIX == 0) |
2757 | STATUS_POSIX_SET(255); |
2758 | #endif |
2759 | my_exit_jump(); |
93a17b20 |
2760 | } |
2761 | |
f86702cc |
2762 | static void |
2763 | my_exit_jump() |
2764 | { |
e858de61 |
2765 | dTHR; |
f86702cc |
2766 | register CONTEXT *cx; |
2767 | I32 gimme; |
2768 | SV **newsp; |
2769 | |
2770 | if (e_tmpname) { |
2771 | if (e_fp) { |
2772 | PerlIO_close(e_fp); |
2773 | e_fp = Nullfp; |
2774 | } |
2775 | (void)UNLINK(e_tmpname); |
2776 | Safefree(e_tmpname); |
2777 | e_tmpname = Nullch; |
2778 | } |
2779 | |
2780 | if (cxstack_ix >= 0) { |
2781 | if (cxstack_ix > 0) |
2782 | dounwind(0); |
2783 | POPBLOCK(cx,curpm); |
2784 | LEAVE; |
2785 | } |
ff0cee69 |
2786 | |
54310121 |
2787 | JMPENV_JUMP(2); |
f86702cc |
2788 | } |