Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
9607fc9c | 3 | * Copyright (c) 1987-1997 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
71be2cbc | 23 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 24 | |
a687059c LW |
25 | #ifdef IAMSUID |
26 | #ifndef DOSUID | |
27 | #define DOSUID | |
28 | #endif | |
29 | #endif | |
378cc40b | 30 | |
a687059c LW |
31 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
32 | #ifdef DOSUID | |
33 | #undef DOSUID | |
34 | #endif | |
35 | #endif | |
8d063cd8 | 36 | |
8ebc5c01 | 37 | #define I_REINIT \ |
38 | STMT_START { \ | |
39 | chopset = " \n-"; \ | |
40 | copline = NOLINE; \ | |
41 | curcop = &compiling; \ | |
42 | curcopdb = NULL; \ | |
43 | cxstack_ix = -1; \ | |
44 | cxstack_max = 128; \ | |
45 | dbargs = 0; \ | |
46 | dlmax = 128; \ | |
47 | laststatval = -1; \ | |
48 | laststype = OP_STAT; \ | |
49 | maxscream = -1; \ | |
50 | maxsysfd = MAXSYSFD; \ | |
51 | statname = Nullsv; \ | |
52 | tmps_floor = -1; \ | |
53 | tmps_ix = -1; \ | |
54 | op_mask = NULL; \ | |
55 | dlmax = 128; \ | |
56 | laststatval = -1; \ | |
57 | laststype = OP_STAT; \ | |
58 | } STMT_END | |
59 | ||
a0d0e21e | 60 | static void find_beginning _((void)); |
bbce6d69 | 61 | static void forbid_setid _((char *)); |
774d564b | 62 | static void incpush _((char *, int)); |
748a9306 | 63 | static void init_ids _((void)); |
a0d0e21e LW |
64 | static void init_debugger _((void)); |
65 | static void init_lexer _((void)); | |
66 | static void init_main_stash _((void)); | |
67 | static void init_perllib _((void)); | |
68 | static void init_postdump_symbols _((int, char **, char **)); | |
69 | static void init_predump_symbols _((void)); | |
70 | static void init_stacks _((void)); | |
f86702cc | 71 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 72 | static void nuke_stacks _((void)); |
a0d0e21e | 73 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 74 | static void usage _((char *)); |
96436eeb | 75 | static void validate_suid _((char *, char*)); |
76 | ||
77 | static int fdscript = -1; | |
79072805 | 78 | |
93a17b20 | 79 | PerlInterpreter * |
79072805 LW |
80 | perl_alloc() |
81 | { | |
93a17b20 | 82 | PerlInterpreter *sv_interp; |
79072805 | 83 | |
8990e307 | 84 | curinterp = 0; |
93a17b20 | 85 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
86 | return sv_interp; |
87 | } | |
88 | ||
89 | void | |
90 | perl_construct( sv_interp ) | |
93a17b20 | 91 | register PerlInterpreter *sv_interp; |
79072805 LW |
92 | { |
93 | if (!(curinterp = sv_interp)) | |
94 | return; | |
95 | ||
8990e307 | 96 | #ifdef MULTIPLICITY |
93a17b20 | 97 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 98 | #endif |
79072805 LW |
99 | |
100 | /* Init the real globals? */ | |
101 | if (!linestr) { | |
102 | linestr = NEWSV(65,80); | |
ed6116ce | 103 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 104 | |
6e72f9df | 105 | if (!SvREADONLY(&sv_undef)) { |
106 | SvREADONLY_on(&sv_undef); | |
79072805 | 107 | |
6e72f9df | 108 | sv_setpv(&sv_no,No); |
109 | SvNV(&sv_no); | |
110 | SvREADONLY_on(&sv_no); | |
79072805 | 111 | |
6e72f9df | 112 | sv_setpv(&sv_yes,Yes); |
113 | SvNV(&sv_yes); | |
114 | SvREADONLY_on(&sv_yes); | |
115 | } | |
79072805 | 116 | |
c07a80fd | 117 | nrs = newSVpv("\n", 1); |
118 | rs = SvREFCNT_inc(nrs); | |
119 | ||
44a8e56a | 120 | pidstatus = newHV(); |
121 | ||
79072805 LW |
122 | #ifdef MSDOS |
123 | /* | |
124 | * There is no way we can refer to them from Perl so close them to save | |
125 | * space. The other alternative would be to provide STDAUX and STDPRN | |
126 | * filehandles. | |
127 | */ | |
128 | (void)fclose(stdaux); | |
129 | (void)fclose(stdprn); | |
130 | #endif | |
131 | } | |
132 | ||
8990e307 | 133 | #ifdef MULTIPLICITY |
8ebc5c01 | 134 | I_REINIT; |
135 | perl_destruct_level = 1; | |
136 | #else | |
137 | if(perl_destruct_level > 0) | |
138 | I_REINIT; | |
79072805 LW |
139 | #endif |
140 | ||
748a9306 | 141 | init_ids(); |
a5f75d66 | 142 | |
f86702cc | 143 | STATUS_ALL_SUCCESS; |
144 | ||
36477c24 | 145 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 146 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 147 | sprintf(patchlevel, "%7.5f", (double) 5 |
148 | + ((double) PATCHLEVEL / (double) 1000) | |
149 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 150 | #else |
e2666263 | 151 | sprintf(patchlevel, "%5.3f", (double) 5 + |
152 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 153 | #endif |
79072805 | 154 | |
ab821d7f | 155 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 156 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 157 | #endif |
158 | ||
760ac839 LW |
159 | PerlIO_init(); /* Hook to IO system */ |
160 | ||
79072805 | 161 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 LW |
162 | |
163 | init_stacks(); | |
164 | ENTER; | |
79072805 LW |
165 | } |
166 | ||
167 | void | |
748a9306 | 168 | perl_destruct(sv_interp) |
93a17b20 | 169 | register PerlInterpreter *sv_interp; |
79072805 | 170 | { |
748a9306 | 171 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 172 | I32 last_sv_count; |
a0d0e21e | 173 | HV *hv; |
8990e307 | 174 | |
79072805 LW |
175 | if (!(curinterp = sv_interp)) |
176 | return; | |
748a9306 LW |
177 | |
178 | destruct_level = perl_destruct_level; | |
4633a7c4 LW |
179 | #ifdef DEBUGGING |
180 | { | |
181 | char *s; | |
5f05dabc | 182 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
183 | int i = atoi(s); | |
184 | if (destruct_level < i) | |
185 | destruct_level = i; | |
186 | } | |
4633a7c4 LW |
187 | } |
188 | #endif | |
189 | ||
5f05dabc | 190 | /* unhook hooks which will soon be, or use, destroyed data */ |
191 | SvREFCNT_dec(warnhook); | |
192 | warnhook = Nullsv; | |
193 | SvREFCNT_dec(diehook); | |
194 | diehook = Nullsv; | |
195 | SvREFCNT_dec(parsehook); | |
196 | parsehook = Nullsv; | |
197 | ||
8990e307 | 198 | LEAVE; |
a0d0e21e LW |
199 | FREETMPS; |
200 | ||
ff0cee69 | 201 | /* We must account for everything. */ |
202 | ||
203 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 204 | if (main_root) { |
205 | curpad = AvARRAY(comppad); | |
206 | op_free(main_root); | |
ff0cee69 | 207 | main_root = Nullop; |
a0d0e21e | 208 | } |
ff0cee69 | 209 | main_start = Nullop; |
210 | SvREFCNT_dec(main_cv); | |
211 | main_cv = Nullcv; | |
212 | ||
a0d0e21e LW |
213 | if (sv_objcount) { |
214 | /* | |
215 | * Try to destruct global references. We do this first so that the | |
216 | * destructors and destructees still exist. Some sv's might remain. | |
217 | * Non-referenced objects are on their own. | |
218 | */ | |
219 | ||
220 | dirty = TRUE; | |
221 | sv_clean_objs(); | |
8990e307 LW |
222 | } |
223 | ||
a0d0e21e | 224 | if (destruct_level == 0){ |
8990e307 | 225 | |
a0d0e21e LW |
226 | DEBUG_P(debprofdump()); |
227 | ||
228 | /* The exit() function will do everything that needs doing. */ | |
229 | return; | |
230 | } | |
5dd60ef7 | 231 | |
5f05dabc | 232 | /* loosen bonds of global variables */ |
233 | ||
8ebc5c01 | 234 | if(rsfp) { |
235 | (void)PerlIO_close(rsfp); | |
236 | rsfp = Nullfp; | |
237 | } | |
238 | ||
239 | /* Filters for program text */ | |
240 | SvREFCNT_dec(rsfp_filters); | |
241 | rsfp_filters = Nullav; | |
242 | ||
243 | /* switches */ | |
244 | preprocess = FALSE; | |
245 | minus_n = FALSE; | |
246 | minus_p = FALSE; | |
247 | minus_l = FALSE; | |
248 | minus_a = FALSE; | |
249 | minus_F = FALSE; | |
250 | doswitches = FALSE; | |
251 | dowarn = FALSE; | |
252 | doextract = FALSE; | |
253 | sawampersand = FALSE; /* must save all match strings */ | |
254 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
255 | sawvec = FALSE; | |
256 | unsafe = FALSE; | |
257 | ||
258 | Safefree(inplace); | |
259 | inplace = Nullch; | |
260 | ||
261 | Safefree(e_tmpname); | |
262 | e_tmpname = Nullch; | |
263 | ||
264 | if (e_fp) { | |
265 | PerlIO_close(e_fp); | |
266 | e_fp = Nullfp; | |
267 | } | |
268 | ||
269 | /* magical thingies */ | |
270 | ||
271 | Safefree(ofs); /* $, */ | |
272 | ofs = Nullch; | |
5f05dabc | 273 | |
8ebc5c01 | 274 | Safefree(ors); /* $\ */ |
275 | ors = Nullch; | |
276 | ||
277 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 278 | nrs = Nullsv; |
279 | ||
8ebc5c01 | 280 | multiline = 0; /* $* */ |
5f05dabc | 281 | |
8ebc5c01 | 282 | SvREFCNT_dec(statname); |
5f05dabc | 283 | statname = Nullsv; |
284 | statgv = Nullgv; | |
5f05dabc | 285 | |
8ebc5c01 | 286 | /* defgv, aka *_ should be taken care of elsewhere */ |
287 | ||
288 | #if 0 /* just about all regexp stuff, seems to be ok */ | |
289 | ||
290 | /* shortcuts to regexp stuff */ | |
291 | leftgv = Nullgv; | |
292 | ampergv = Nullgv; | |
293 | ||
294 | SAVEFREEOP(curpm); | |
295 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ | |
296 | ||
297 | regprecomp = NULL; /* uncompiled string. */ | |
298 | regparse = NULL; /* Input-scan pointer. */ | |
299 | regxend = NULL; /* End of input for compile */ | |
300 | regnpar = 0; /* () count. */ | |
301 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ | |
302 | regsize = 0; /* Code size. */ | |
303 | regnaughty = 0; /* How bad is this pattern? */ | |
304 | regsawback = 0; /* Did we see \1, ...? */ | |
305 | ||
306 | reginput = NULL; /* String-input pointer. */ | |
307 | regbol = NULL; /* Beginning of input, for ^ check. */ | |
308 | regeol = NULL; /* End of input, for $ check. */ | |
309 | regstartp = (char **)NULL; /* Pointer to startp array. */ | |
310 | regendp = (char **)NULL; /* Ditto for endp. */ | |
311 | reglastparen = 0; /* Similarly for lastparen. */ | |
312 | regtill = NULL; /* How far we are required to go. */ | |
313 | regflags = 0; /* are we folding, multilining? */ | |
314 | regprev = (char)NULL; /* char before regbol, \n if none */ | |
315 | ||
316 | #endif /* if 0 */ | |
317 | ||
318 | /* clean up after study() */ | |
319 | SvREFCNT_dec(lastscream); | |
320 | lastscream = Nullsv; | |
321 | Safefree(screamfirst); | |
322 | screamfirst = 0; | |
323 | Safefree(screamnext); | |
324 | screamnext = 0; | |
325 | ||
326 | /* startup and shutdown function lists */ | |
327 | SvREFCNT_dec(beginav); | |
328 | SvREFCNT_dec(endav); | |
5618dfe8 | 329 | beginav = Nullav; |
5618dfe8 CS |
330 | endav = Nullav; |
331 | ||
8ebc5c01 | 332 | /* temp stack during pp_sort() */ |
333 | SvREFCNT_dec(sortstack); | |
334 | sortstack = Nullav; | |
335 | ||
336 | /* shortcuts just get cleared */ | |
337 | envgv = Nullgv; | |
338 | siggv = Nullgv; | |
339 | incgv = Nullgv; | |
340 | errgv = Nullgv; | |
341 | argvgv = Nullgv; | |
342 | argvoutgv = Nullgv; | |
343 | stdingv = Nullgv; | |
344 | last_in_gv = Nullgv; | |
345 | ||
346 | /* reset so print() ends up where we expect */ | |
347 | setdefout(Nullgv); | |
348 | ||
a0d0e21e | 349 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 350 | |
a0d0e21e | 351 | hv = defstash; |
85e6fe83 | 352 | defstash = 0; |
a0d0e21e LW |
353 | SvREFCNT_dec(hv); |
354 | ||
355 | FREETMPS; | |
356 | if (destruct_level >= 2) { | |
357 | if (scopestack_ix != 0) | |
ff0cee69 | 358 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
359 | (long)scopestack_ix); | |
a0d0e21e | 360 | if (savestack_ix != 0) |
ff0cee69 | 361 | warn("Unbalanced saves: %ld more saves than restores\n", |
362 | (long)savestack_ix); | |
a0d0e21e | 363 | if (tmps_floor != -1) |
ff0cee69 | 364 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
365 | (long)tmps_floor + 1); | |
a0d0e21e | 366 | if (cxstack_ix != -1) |
ff0cee69 | 367 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
368 | (long)cxstack_ix + 1); | |
a0d0e21e | 369 | } |
8990e307 LW |
370 | |
371 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 372 | last_sv_count = 0; |
6e72f9df | 373 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
374 | while (sv_count != 0 && sv_count != last_sv_count) { |
375 | last_sv_count = sv_count; | |
376 | sv_clean_all(); | |
377 | } | |
6e72f9df | 378 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
379 | SvFLAGS(strtab) |= SVt_PVHV; | |
380 | ||
381 | /* Destruct the global string table. */ | |
382 | { | |
383 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
384 | * so that sv_free() won't fail on them. | |
385 | */ | |
386 | I32 riter; | |
387 | I32 max; | |
388 | HE *hent; | |
389 | HE **array; | |
390 | ||
391 | riter = 0; | |
392 | max = HvMAX(strtab); | |
393 | array = HvARRAY(strtab); | |
394 | hent = array[0]; | |
395 | for (;;) { | |
396 | if (hent) { | |
397 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
398 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
399 | HeVAL(hent) = Nullsv; | |
400 | hent = HeNEXT(hent); | |
401 | } | |
402 | if (!hent) { | |
403 | if (++riter > max) | |
404 | break; | |
405 | hent = array[riter]; | |
406 | } | |
407 | } | |
408 | } | |
409 | SvREFCNT_dec(strtab); | |
410 | ||
8990e307 | 411 | if (sv_count != 0) |
ff0cee69 | 412 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 413 | |
4633a7c4 | 414 | sv_free_arenas(); |
44a8e56a | 415 | |
416 | /* No SVs have survived, need to clean out */ | |
417 | linestr = NULL; | |
418 | pidstatus = Nullhv; | |
6e72f9df | 419 | if (origfilename) |
420 | Safefree(origfilename); | |
421 | nuke_stacks(); | |
422 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ | |
423 | ||
a0d0e21e | 424 | DEBUG_P(debprofdump()); |
79072805 LW |
425 | } |
426 | ||
427 | void | |
428 | perl_free(sv_interp) | |
93a17b20 | 429 | PerlInterpreter *sv_interp; |
79072805 LW |
430 | { |
431 | if (!(curinterp = sv_interp)) | |
432 | return; | |
433 | Safefree(sv_interp); | |
434 | } | |
ecfc5424 | 435 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
a0d0e21e LW |
436 | char *getenv _((char *)); /* Usually in <stdlib.h> */ |
437 | #endif | |
79072805 LW |
438 | |
439 | int | |
a0d0e21e | 440 | perl_parse(sv_interp, xsinit, argc, argv, env) |
93a17b20 | 441 | PerlInterpreter *sv_interp; |
a0d0e21e LW |
442 | void (*xsinit)_((void)); |
443 | int argc; | |
444 | char **argv; | |
79072805 | 445 | char **env; |
8d063cd8 | 446 | { |
79072805 | 447 | register SV *sv; |
8d063cd8 | 448 | register char *s; |
1a30305b | 449 | char *scriptname = NULL; |
a0d0e21e | 450 | VOL bool dosearch = FALSE; |
13281fa4 | 451 | char *validarg = ""; |
748a9306 | 452 | AV* comppadlist; |
8d063cd8 | 453 | |
a687059c LW |
454 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
455 | #ifdef IAMSUID | |
456 | #undef IAMSUID | |
463ee0b2 | 457 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
458 | setuid perl scripts securely.\n"); |
459 | #endif | |
460 | #endif | |
461 | ||
79072805 LW |
462 | if (!(curinterp = sv_interp)) |
463 | return 255; | |
464 | ||
6e72f9df | 465 | #if defined(NeXT) && defined(__DYNAMIC__) |
466 | _dyld_lookup_and_bind | |
467 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
468 | #endif /* environ */ | |
469 | ||
ac58e20f LW |
470 | origargv = argv; |
471 | origargc = argc; | |
a0d0e21e | 472 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 473 | origenviron = environ; |
a0d0e21e | 474 | #endif |
ab821d7f | 475 | e_tmpname = Nullch; |
a0d0e21e LW |
476 | |
477 | if (do_undump) { | |
478 | ||
479 | /* Come here if running an undumped a.out. */ | |
480 | ||
481 | origfilename = savepv(argv[0]); | |
482 | do_undump = FALSE; | |
483 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 484 | init_ids(); |
a0d0e21e LW |
485 | init_postdump_symbols(argc,argv,env); |
486 | return 0; | |
487 | } | |
488 | ||
ff0cee69 | 489 | if (main_root) { |
490 | curpad = AvARRAY(comppad); | |
a0d0e21e | 491 | op_free(main_root); |
ff0cee69 | 492 | main_root = Nullop; |
493 | } | |
494 | main_start = Nullop; | |
495 | SvREFCNT_dec(main_cv); | |
496 | main_cv = Nullcv; | |
79072805 | 497 | |
f86702cc | 498 | time(&basetime); |
1e422769 | 499 | mustcatch = FALSE; |
f86702cc | 500 | |
a5f75d66 | 501 | switch (Sigsetjmp(top_env,1)) { |
79072805 | 502 | case 1: |
f86702cc | 503 | STATUS_ALL_FAILURE; |
504 | /* FALL THROUGH */ | |
79072805 | 505 | case 2: |
f86702cc | 506 | /* my_exit() was called */ |
8990e307 LW |
507 | curstash = defstash; |
508 | if (endav) | |
509 | calllist(endav); | |
f86702cc | 510 | return STATUS_NATIVE_EXPORT; |
79072805 | 511 | case 3: |
1e422769 | 512 | mustcatch = FALSE; |
760ac839 | 513 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 514 | return 1; |
79072805 LW |
515 | } |
516 | ||
79072805 LW |
517 | sv_setpvn(linestr,"",0); |
518 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 519 | SAVEFREESV(sv); |
79072805 | 520 | init_main_stash(); |
33b78306 | 521 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
522 | if (argv[0][0] != '-' || !argv[0][1]) |
523 | break; | |
13281fa4 LW |
524 | #ifdef DOSUID |
525 | if (*validarg) | |
526 | validarg = " PHOOEY "; | |
527 | else | |
528 | validarg = argv[0]; | |
529 | #endif | |
530 | s = argv[0]+1; | |
8d063cd8 | 531 | reswitch: |
13281fa4 | 532 | switch (*s) { |
27e2fb84 | 533 | case '0': |
2304df62 | 534 | case 'F': |
378cc40b | 535 | case 'a': |
33b78306 | 536 | case 'c': |
a687059c | 537 | case 'd': |
8d063cd8 | 538 | case 'D': |
4633a7c4 | 539 | case 'h': |
33b78306 | 540 | case 'i': |
fe14fcc3 | 541 | case 'l': |
1a30305b | 542 | case 'M': |
543 | case 'm': | |
33b78306 LW |
544 | case 'n': |
545 | case 'p': | |
79072805 | 546 | case 's': |
33b78306 LW |
547 | case 'u': |
548 | case 'U': | |
549 | case 'v': | |
550 | case 'w': | |
551 | if (s = moreswitches(s)) | |
552 | goto reswitch; | |
8d063cd8 | 553 | break; |
33b78306 | 554 | |
f86702cc | 555 | case 'T': |
556 | tainting = TRUE; | |
557 | s++; | |
558 | goto reswitch; | |
559 | ||
8d063cd8 | 560 | case 'e': |
a687059c | 561 | if (euid != uid || egid != gid) |
463ee0b2 | 562 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 563 | if (!e_fp) { |
a0d0e21e | 564 | e_tmpname = savepv(TMPPATH); |
a687059c | 565 | (void)mktemp(e_tmpname); |
83025b21 | 566 | if (!*e_tmpname) |
463ee0b2 | 567 | croak("Can't mktemp()"); |
760ac839 | 568 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 569 | if (!e_fp) |
463ee0b2 | 570 | croak("Cannot open temporary file"); |
8d063cd8 | 571 | } |
552a7a9b | 572 | if (*++s) |
573 | PerlIO_puts(e_fp,s); | |
574 | else if (argv[1]) { | |
760ac839 | 575 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
576 | argc--,argv++; |
577 | } | |
552a7a9b | 578 | else |
579 | croak("No code specified for -e"); | |
760ac839 | 580 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 LW |
581 | break; |
582 | case 'I': | |
bbce6d69 | 583 | forbid_setid("-I"); |
79072805 LW |
584 | sv_catpv(sv,"-"); |
585 | sv_catpv(sv,s); | |
586 | sv_catpv(sv," "); | |
a687059c | 587 | if (*++s) { |
774d564b | 588 | incpush(s, TRUE); |
378cc40b | 589 | } |
33b78306 | 590 | else if (argv[1]) { |
774d564b | 591 | incpush(argv[1], TRUE); |
79072805 | 592 | sv_catpv(sv,argv[1]); |
8d063cd8 | 593 | argc--,argv++; |
79072805 | 594 | sv_catpv(sv," "); |
8d063cd8 LW |
595 | } |
596 | break; | |
8d063cd8 | 597 | case 'P': |
bbce6d69 | 598 | forbid_setid("-P"); |
8d063cd8 | 599 | preprocess = TRUE; |
13281fa4 | 600 | s++; |
8d063cd8 | 601 | goto reswitch; |
378cc40b | 602 | case 'S': |
bbce6d69 | 603 | forbid_setid("-S"); |
378cc40b | 604 | dosearch = TRUE; |
13281fa4 | 605 | s++; |
378cc40b | 606 | goto reswitch; |
1a30305b | 607 | case 'V': |
608 | if (!preambleav) | |
609 | preambleav = newAV(); | |
610 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
611 | if (*++s != ':') { | |
6e72f9df | 612 | Sv = newSVpv("print myconfig();",0); |
613 | #ifdef VMS | |
614 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
615 | #else | |
616 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
617 | #endif | |
618 | #if defined(DEBUGGING) || defined(NOEMBED) || defined(MULTIPLICITY) | |
619 | strcpy(buf,"\" Compile-time options:"); | |
620 | # ifdef DEBUGGING | |
621 | strcat(buf," DEBUGGING"); | |
622 | # endif | |
623 | # ifdef NOEMBED | |
624 | strcat(buf," NOEMBED"); | |
625 | # endif | |
626 | # ifdef MULTIPLICITY | |
627 | strcat(buf," MULTIPLICITY"); | |
628 | # endif | |
629 | strcat(buf,"\\n\","); | |
630 | sv_catpv(Sv,buf); | |
631 | #endif | |
632 | #if defined(LOCAL_PATCH_COUNT) | |
633 | if (LOCAL_PATCH_COUNT > 0) | |
634 | { int i; | |
635 | sv_catpv(Sv,"print \" Locally applied patches:\\n\","); | |
636 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
637 | if (localpatches[i]) { | |
638 | sprintf(buf,"\" \\t%s\\n\",",localpatches[i]); | |
639 | sv_catpv(Sv,buf); | |
640 | } | |
641 | } | |
642 | } | |
643 | #endif | |
644 | sprintf(buf,"\" Built under %s\\n\",",OSNAME); | |
645 | sv_catpv(Sv,buf); | |
646 | #ifdef __DATE__ | |
647 | # ifdef __TIME__ | |
648 | sprintf(buf,"\" Compiled at %s %s\\n\"",__DATE__,__TIME__); | |
649 | # else | |
650 | sprintf(buf,"\" Compiled on %s\\n\"",__DATE__); | |
651 | # endif | |
652 | sv_catpv(Sv,buf); | |
653 | #endif | |
654 | sv_catpv(Sv,"; $\"=\"\\n \"; print \" \\@INC:\\n @INC\\n\""); | |
1a30305b | 655 | } |
656 | else { | |
657 | Sv = newSVpv("config_vars(qw(",0); | |
658 | sv_catpv(Sv, ++s); | |
659 | sv_catpv(Sv, "))"); | |
660 | s += strlen(s); | |
661 | } | |
662 | av_push(preambleav, Sv); | |
c07a80fd | 663 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 664 | goto reswitch; |
33b78306 LW |
665 | case 'x': |
666 | doextract = TRUE; | |
13281fa4 | 667 | s++; |
33b78306 | 668 | if (*s) |
a0d0e21e | 669 | cddir = savepv(s); |
33b78306 | 670 | break; |
8d063cd8 LW |
671 | case '-': |
672 | argc--,argv++; | |
673 | goto switch_end; | |
674 | case 0: | |
675 | break; | |
676 | default: | |
463ee0b2 | 677 | croak("Unrecognized switch: -%s",s); |
8d063cd8 LW |
678 | } |
679 | } | |
680 | switch_end: | |
1a30305b | 681 | if (!scriptname) |
682 | scriptname = argv[0]; | |
8d063cd8 | 683 | if (e_fp) { |
760ac839 | 684 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) |
2304df62 | 685 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
ab821d7f | 686 | e_fp = Nullfp; |
8d063cd8 | 687 | argc++,argv--; |
45d8adaa | 688 | scriptname = e_tmpname; |
8d063cd8 | 689 | } |
79072805 LW |
690 | else if (scriptname == Nullch) { |
691 | #ifdef MSDOS | |
760ac839 | 692 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 693 | moreswitches("h"); |
fe14fcc3 | 694 | #endif |
79072805 LW |
695 | scriptname = "-"; |
696 | } | |
fe14fcc3 | 697 | |
79072805 | 698 | init_perllib(); |
8d063cd8 | 699 | |
79072805 | 700 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 701 | |
96436eeb | 702 | validate_suid(validarg, scriptname); |
378cc40b | 703 | |
79072805 LW |
704 | if (doextract) |
705 | find_beginning(); | |
706 | ||
4fdae800 | 707 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 708 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 709 | CvUNIQUE_on(compcv); |
748a9306 | 710 | |
6e72f9df | 711 | comppad = newAV(); |
79072805 LW |
712 | av_push(comppad, Nullsv); |
713 | curpad = AvARRAY(comppad); | |
6e72f9df | 714 | comppad_name = newAV(); |
8990e307 LW |
715 | comppad_name_fill = 0; |
716 | min_intro_pending = 0; | |
79072805 LW |
717 | padix = 0; |
718 | ||
748a9306 LW |
719 | comppadlist = newAV(); |
720 | AvREAL_off(comppadlist); | |
8e07c86e AD |
721 | av_store(comppadlist, 0, (SV*)comppad_name); |
722 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
723 | CvPADLIST(compcv) = comppadlist; |
724 | ||
6e72f9df | 725 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
726 | if (xsinit) |
727 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
748a9306 LW |
728 | #ifdef VMS |
729 | init_os_extras(); | |
730 | #endif | |
93a17b20 | 731 | |
93a17b20 | 732 | init_predump_symbols(); |
8990e307 LW |
733 | if (!do_undump) |
734 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 735 | |
79072805 LW |
736 | init_lexer(); |
737 | ||
738 | /* now parse the script */ | |
739 | ||
740 | error_count = 0; | |
741 | if (yyparse() || error_count) { | |
742 | if (minus_c) | |
463ee0b2 | 743 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 744 | else { |
463ee0b2 | 745 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 746 | origfilename); |
378cc40b | 747 | } |
79072805 LW |
748 | } |
749 | curcop->cop_line = 0; | |
750 | curstash = defstash; | |
751 | preprocess = FALSE; | |
ab821d7f | 752 | if (e_tmpname) { |
79072805 | 753 | (void)UNLINK(e_tmpname); |
ab821d7f | 754 | Safefree(e_tmpname); |
755 | e_tmpname = Nullch; | |
378cc40b | 756 | } |
a687059c | 757 | |
93a17b20 | 758 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 759 | SvREFCNT_dec(rs); |
760 | rs = SvREFCNT_inc(nrs); | |
761 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); | |
45d8adaa | 762 | |
79072805 LW |
763 | if (do_undump) |
764 | my_unexec(); | |
765 | ||
8990e307 LW |
766 | if (dowarn) |
767 | gv_check(defstash); | |
768 | ||
a0d0e21e LW |
769 | LEAVE; |
770 | FREETMPS; | |
c07a80fd | 771 | |
772 | #ifdef DEBUGGING_MSTATS | |
773 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
774 | dump_mstats("after compilation:"); | |
775 | #endif | |
776 | ||
a0d0e21e LW |
777 | ENTER; |
778 | restartop = 0; | |
79072805 LW |
779 | return 0; |
780 | } | |
781 | ||
782 | int | |
783 | perl_run(sv_interp) | |
93a17b20 | 784 | PerlInterpreter *sv_interp; |
79072805 LW |
785 | { |
786 | if (!(curinterp = sv_interp)) | |
787 | return 255; | |
a5f75d66 | 788 | switch (Sigsetjmp(top_env,1)) { |
79072805 LW |
789 | case 1: |
790 | cxstack_ix = -1; /* start context stack again */ | |
791 | break; | |
792 | case 2: | |
f86702cc | 793 | /* my_exit() was called */ |
79072805 | 794 | curstash = defstash; |
93a17b20 LW |
795 | if (endav) |
796 | calllist(endav); | |
a0d0e21e | 797 | FREETMPS; |
c07a80fd | 798 | #ifdef DEBUGGING_MSTATS |
799 | if (getenv("PERL_DEBUG_MSTATS")) | |
800 | dump_mstats("after execution: "); | |
801 | #endif | |
f86702cc | 802 | return STATUS_NATIVE_EXPORT; |
79072805 | 803 | case 3: |
1e422769 | 804 | mustcatch = FALSE; |
79072805 | 805 | if (!restartop) { |
760ac839 | 806 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 807 | FREETMPS; |
8990e307 | 808 | return 1; |
83025b21 | 809 | } |
6e72f9df | 810 | if (curstack != mainstack) { |
79072805 | 811 | dSP; |
6e72f9df | 812 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
813 | } |
814 | break; | |
8d063cd8 | 815 | } |
79072805 | 816 | |
760ac839 | 817 | DEBUG_r(PerlIO_printf(PerlIO_stderr(), "%s $` $& $' support.\n", |
6e72f9df | 818 | sawampersand ? "Enabling" : "Omitting")); |
819 | ||
79072805 LW |
820 | if (!restartop) { |
821 | DEBUG_x(dump_all()); | |
760ac839 | 822 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
79072805 LW |
823 | |
824 | if (minus_c) { | |
760ac839 | 825 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
826 | my_exit(0); |
827 | } | |
a0d0e21e LW |
828 | if (perldb && DBsingle) |
829 | sv_setiv(DBsingle, 1); | |
45d8adaa | 830 | } |
79072805 LW |
831 | |
832 | /* do it */ | |
833 | ||
834 | if (restartop) { | |
835 | op = restartop; | |
836 | restartop = 0; | |
ab821d7f | 837 | runops(); |
79072805 LW |
838 | } |
839 | else if (main_start) { | |
4fdae800 | 840 | CvDEPTH(main_cv) = 1; |
79072805 | 841 | op = main_start; |
ab821d7f | 842 | runops(); |
79072805 | 843 | } |
79072805 LW |
844 | |
845 | my_exit(0); | |
a0d0e21e | 846 | return 0; |
79072805 LW |
847 | } |
848 | ||
a0d0e21e LW |
849 | SV* |
850 | perl_get_sv(name, create) | |
851 | char* name; | |
852 | I32 create; | |
853 | { | |
854 | GV* gv = gv_fetchpv(name, create, SVt_PV); | |
855 | if (gv) | |
856 | return GvSV(gv); | |
857 | return Nullsv; | |
858 | } | |
859 | ||
860 | AV* | |
861 | perl_get_av(name, create) | |
862 | char* name; | |
863 | I32 create; | |
864 | { | |
865 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
866 | if (create) | |
867 | return GvAVn(gv); | |
868 | if (gv) | |
869 | return GvAV(gv); | |
870 | return Nullav; | |
871 | } | |
872 | ||
873 | HV* | |
874 | perl_get_hv(name, create) | |
875 | char* name; | |
876 | I32 create; | |
877 | { | |
878 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
879 | if (create) | |
880 | return GvHVn(gv); | |
881 | if (gv) | |
882 | return GvHV(gv); | |
883 | return Nullhv; | |
884 | } | |
885 | ||
886 | CV* | |
887 | perl_get_cv(name, create) | |
888 | char* name; | |
889 | I32 create; | |
890 | { | |
891 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 892 | if (create && !GvCVu(gv)) |
774d564b | 893 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 894 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 895 | Nullop, |
a0d0e21e LW |
896 | Nullop); |
897 | if (gv) | |
8ebc5c01 | 898 | return GvCVu(gv); |
a0d0e21e LW |
899 | return Nullcv; |
900 | } | |
901 | ||
79072805 LW |
902 | /* Be sure to refetch the stack pointer after calling these routines. */ |
903 | ||
a0d0e21e LW |
904 | I32 |
905 | perl_call_argv(subname, flags, argv) | |
8990e307 | 906 | char *subname; |
a0d0e21e LW |
907 | I32 flags; /* See G_* flags in cop.h */ |
908 | register char **argv; /* null terminated arg list */ | |
8990e307 | 909 | { |
a0d0e21e | 910 | dSP; |
8990e307 | 911 | |
a0d0e21e LW |
912 | PUSHMARK(sp); |
913 | if (argv) { | |
8990e307 | 914 | while (*argv) { |
a0d0e21e | 915 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
916 | argv++; |
917 | } | |
a0d0e21e | 918 | PUTBACK; |
8990e307 | 919 | } |
a0d0e21e | 920 | return perl_call_pv(subname, flags); |
8990e307 LW |
921 | } |
922 | ||
a0d0e21e LW |
923 | I32 |
924 | perl_call_pv(subname, flags) | |
925 | char *subname; /* name of the subroutine */ | |
926 | I32 flags; /* See G_* flags in cop.h */ | |
927 | { | |
928 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
929 | } | |
930 | ||
931 | I32 | |
932 | perl_call_method(methname, flags) | |
933 | char *methname; /* name of the subroutine */ | |
934 | I32 flags; /* See G_* flags in cop.h */ | |
935 | { | |
936 | dSP; | |
937 | OP myop; | |
938 | if (!op) | |
939 | op = &myop; | |
940 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
941 | PUTBACK; | |
942 | pp_method(); | |
943 | return perl_call_sv(*stack_sp--, flags); | |
944 | } | |
945 | ||
946 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
947 | I32 | |
948 | perl_call_sv(sv, flags) | |
949 | SV* sv; | |
950 | I32 flags; /* See G_* flags in cop.h */ | |
951 | { | |
952 | LOGOP myop; /* fake syntax tree node */ | |
953 | SV** sp = stack_sp; | |
aa689395 | 954 | I32 oldmark; |
a0d0e21e | 955 | I32 retval; |
a5f75d66 | 956 | Sigjmp_buf oldtop; |
a0d0e21e | 957 | I32 oldscope; |
6e72f9df | 958 | static CV *DBcv; |
1e422769 | 959 | bool oldmustcatch = mustcatch; |
960 | ||
a0d0e21e LW |
961 | if (flags & G_DISCARD) { |
962 | ENTER; | |
963 | SAVETMPS; | |
964 | } | |
965 | ||
aa689395 | 966 | Zero(&myop, 1, LOGOP); |
967 | if (flags & G_NOARGS) { | |
968 | PUSHMARK(sp); | |
969 | } | |
970 | else | |
971 | myop.op_flags |= OPf_STACKED; | |
972 | myop.op_next = Nullop; | |
973 | myop.op_flags |= OPf_KNOW; | |
974 | if (flags & G_ARRAY) | |
975 | myop.op_flags |= OPf_LIST; | |
a0d0e21e LW |
976 | SAVESPTR(op); |
977 | op = (OP*)&myop; | |
aa689395 | 978 | |
a0d0e21e LW |
979 | EXTEND(stack_sp, 1); |
980 | *++stack_sp = sv; | |
aa689395 | 981 | oldmark = TOPMARK; |
a0d0e21e LW |
982 | oldscope = scopestack_ix; |
983 | ||
36477c24 | 984 | if (perldb && curstash != debstash |
985 | /* Handle first BEGIN of -d. */ | |
986 | && (DBcv || (DBcv = GvCV(DBsub))) | |
987 | /* Try harder, since this may have been a sighandler, thus | |
988 | * curstash may be meaningless. */ | |
989 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 990 | op->op_private |= OPpENTERSUB_DB; |
991 | ||
a0d0e21e | 992 | if (flags & G_EVAL) { |
a5f75d66 | 993 | Copy(top_env, oldtop, 1, Sigjmp_buf); |
a0d0e21e LW |
994 | |
995 | cLOGOP->op_other = op; | |
996 | markstack_ptr--; | |
4633a7c4 LW |
997 | /* we're trying to emulate pp_entertry() here */ |
998 | { | |
999 | register CONTEXT *cx; | |
1000 | I32 gimme = GIMME; | |
1001 | ||
1002 | ENTER; | |
1003 | SAVETMPS; | |
1004 | ||
1005 | push_return(op->op_next); | |
1006 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1007 | PUSHEVAL(cx, 0, 0); | |
1008 | eval_root = op; /* Only needed so that goto works right. */ | |
1009 | ||
1010 | in_eval = 1; | |
1011 | if (flags & G_KEEPERR) | |
1012 | in_eval |= 4; | |
1013 | else | |
1014 | sv_setpv(GvSV(errgv),""); | |
1015 | } | |
a0d0e21e LW |
1016 | markstack_ptr++; |
1017 | ||
1018 | restart: | |
a5f75d66 | 1019 | switch (Sigsetjmp(top_env,1)) { |
a0d0e21e LW |
1020 | case 0: |
1021 | break; | |
1022 | case 1: | |
f86702cc | 1023 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1024 | /* FALL THROUGH */ |
1025 | case 2: | |
1026 | /* my_exit() was called */ | |
1027 | curstash = defstash; | |
1028 | FREETMPS; | |
a5f75d66 | 1029 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
a0d0e21e LW |
1030 | if (statusvalue) |
1031 | croak("Callback called exit"); | |
f86702cc | 1032 | my_exit_jump(); |
a0d0e21e LW |
1033 | /* NOTREACHED */ |
1034 | case 3: | |
1e422769 | 1035 | mustcatch = FALSE; |
a0d0e21e LW |
1036 | if (restartop) { |
1037 | op = restartop; | |
1038 | restartop = 0; | |
1039 | goto restart; | |
1040 | } | |
1041 | stack_sp = stack_base + oldmark; | |
1042 | if (flags & G_ARRAY) | |
1043 | retval = 0; | |
1044 | else { | |
1045 | retval = 1; | |
1046 | *++stack_sp = &sv_undef; | |
1047 | } | |
1048 | goto cleanup; | |
1049 | } | |
1050 | } | |
1e422769 | 1051 | else |
1052 | mustcatch = TRUE; | |
a0d0e21e LW |
1053 | |
1054 | if (op == (OP*)&myop) | |
1055 | op = pp_entersub(); | |
1056 | if (op) | |
ab821d7f | 1057 | runops(); |
a0d0e21e | 1058 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 LW |
1059 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
1060 | sv_setpv(GvSV(errgv),""); | |
a0d0e21e LW |
1061 | |
1062 | cleanup: | |
1063 | if (flags & G_EVAL) { | |
1064 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1065 | SV **newsp; |
1066 | PMOP *newpm; | |
1067 | I32 gimme; | |
1068 | register CONTEXT *cx; | |
1069 | I32 optype; | |
1070 | ||
1071 | POPBLOCK(cx,newpm); | |
1072 | POPEVAL(cx); | |
1073 | pop_return(); | |
1074 | curpm = newpm; | |
1075 | LEAVE; | |
a0d0e21e | 1076 | } |
a5f75d66 | 1077 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
a0d0e21e | 1078 | } |
1e422769 | 1079 | else |
1080 | mustcatch = oldmustcatch; | |
1081 | ||
a0d0e21e LW |
1082 | if (flags & G_DISCARD) { |
1083 | stack_sp = stack_base + oldmark; | |
1084 | retval = 0; | |
1085 | FREETMPS; | |
1086 | LEAVE; | |
1087 | } | |
1088 | return retval; | |
1089 | } | |
1090 | ||
6e72f9df | 1091 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1092 | |
a0d0e21e | 1093 | I32 |
4633a7c4 | 1094 | perl_eval_sv(sv, flags) |
8990e307 | 1095 | SV* sv; |
4633a7c4 | 1096 | I32 flags; /* See G_* flags in cop.h */ |
a0d0e21e LW |
1097 | { |
1098 | UNOP myop; /* fake syntax tree node */ | |
4633a7c4 LW |
1099 | SV** sp = stack_sp; |
1100 | I32 oldmark = sp - stack_base; | |
1101 | I32 retval; | |
a5f75d66 | 1102 | Sigjmp_buf oldtop; |
4633a7c4 | 1103 | I32 oldscope; |
79072805 | 1104 | |
4633a7c4 LW |
1105 | if (flags & G_DISCARD) { |
1106 | ENTER; | |
1107 | SAVETMPS; | |
1108 | } | |
1109 | ||
79072805 | 1110 | SAVESPTR(op); |
79072805 | 1111 | op = (OP*)&myop; |
a0d0e21e | 1112 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1113 | EXTEND(stack_sp, 1); |
1114 | *++stack_sp = sv; | |
1115 | oldscope = scopestack_ix; | |
79072805 | 1116 | |
4633a7c4 LW |
1117 | if (!(flags & G_NOARGS)) |
1118 | myop.op_flags = OPf_STACKED; | |
79072805 | 1119 | myop.op_next = Nullop; |
6e72f9df | 1120 | myop.op_type = OP_ENTEREVAL; |
4633a7c4 | 1121 | myop.op_flags |= OPf_KNOW; |
6e72f9df | 1122 | if (flags & G_KEEPERR) |
1123 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1124 | if (flags & G_ARRAY) |
6e72f9df | 1125 | myop.op_flags |= OPf_LIST; |
79072805 | 1126 | |
a5f75d66 | 1127 | Copy(top_env, oldtop, 1, Sigjmp_buf); |
4633a7c4 LW |
1128 | |
1129 | restart: | |
a5f75d66 | 1130 | switch (Sigsetjmp(top_env,1)) { |
4633a7c4 LW |
1131 | case 0: |
1132 | break; | |
1133 | case 1: | |
f86702cc | 1134 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1135 | /* FALL THROUGH */ |
1136 | case 2: | |
1137 | /* my_exit() was called */ | |
1138 | curstash = defstash; | |
1139 | FREETMPS; | |
a5f75d66 | 1140 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
4633a7c4 LW |
1141 | if (statusvalue) |
1142 | croak("Callback called exit"); | |
f86702cc | 1143 | my_exit_jump(); |
4633a7c4 LW |
1144 | /* NOTREACHED */ |
1145 | case 3: | |
1e422769 | 1146 | mustcatch = FALSE; |
4633a7c4 LW |
1147 | if (restartop) { |
1148 | op = restartop; | |
1149 | restartop = 0; | |
1150 | goto restart; | |
1151 | } | |
1152 | stack_sp = stack_base + oldmark; | |
1153 | if (flags & G_ARRAY) | |
1154 | retval = 0; | |
1155 | else { | |
1156 | retval = 1; | |
1157 | *++stack_sp = &sv_undef; | |
1158 | } | |
1159 | goto cleanup; | |
1160 | } | |
1161 | ||
1162 | if (op == (OP*)&myop) | |
1163 | op = pp_entereval(); | |
1164 | if (op) | |
ab821d7f | 1165 | runops(); |
4633a7c4 | 1166 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1167 | if (!(flags & G_KEEPERR)) |
4633a7c4 LW |
1168 | sv_setpv(GvSV(errgv),""); |
1169 | ||
1170 | cleanup: | |
a5f75d66 | 1171 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
4633a7c4 LW |
1172 | if (flags & G_DISCARD) { |
1173 | stack_sp = stack_base + oldmark; | |
1174 | retval = 0; | |
1175 | FREETMPS; | |
1176 | LEAVE; | |
1177 | } | |
1178 | return retval; | |
1179 | } | |
1180 | ||
1181 | /* Require a module. */ | |
1182 | ||
1183 | void | |
1184 | perl_require_pv(pv) | |
1185 | char* pv; | |
1186 | { | |
1187 | SV* sv = sv_newmortal(); | |
1188 | sv_setpv(sv, "require '"); | |
1189 | sv_catpv(sv, pv); | |
1190 | sv_catpv(sv, "'"); | |
1191 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1192 | } |
1193 | ||
79072805 | 1194 | void |
79072805 LW |
1195 | magicname(sym,name,namlen) |
1196 | char *sym; | |
1197 | char *name; | |
1198 | I32 namlen; | |
1199 | { | |
1200 | register GV *gv; | |
1201 | ||
85e6fe83 | 1202 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1203 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1204 | } | |
1205 | ||
ab821d7f | 1206 | static void |
1a30305b | 1207 | usage(name) /* XXX move this out into a module ? */ |
4633a7c4 LW |
1208 | char *name; |
1209 | { | |
ab821d7f | 1210 | /* This message really ought to be max 23 lines. |
1211 | * Removed -h because the user already knows that opton. Others? */ | |
1212 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); | |
4633a7c4 | 1213 | printf("\n -0[octal] specify record separator (\\0, if no argument)"); |
ab821d7f | 1214 | printf("\n -a autosplit mode with -n or -p (splits $_ into @F)"); |
4633a7c4 | 1215 | printf("\n -c check syntax only (runs BEGIN and END blocks)"); |
1a30305b | 1216 | printf("\n -d[:debugger] run scripts under debugger"); |
4633a7c4 | 1217 | printf("\n -D[number/list] set debugging flags (argument is a bit mask or flags)"); |
ab821d7f | 1218 | printf("\n -e 'command' one line of script. Several -e's allowed. Omit [programfile]."); |
1219 | printf("\n -F/pattern/ split() pattern for autosplit (-a). The //'s are optional."); | |
4633a7c4 | 1220 | printf("\n -i[extension] edit <> files in place (make backup if extension supplied)"); |
ab821d7f | 1221 | printf("\n -Idirectory specify @INC/#include directory (may be used more then once)"); |
4633a7c4 | 1222 | printf("\n -l[octal] enable line ending processing, specifies line teminator"); |
ab821d7f | 1223 | printf("\n -[mM][-]module.. executes `use/no module...' before executing your script."); |
4633a7c4 LW |
1224 | printf("\n -n assume 'while (<>) { ... }' loop arround your script"); |
1225 | printf("\n -p assume loop like -n but print line also like sed"); | |
1226 | printf("\n -P run script through C preprocessor before compilation"); | |
4633a7c4 LW |
1227 | printf("\n -s enable some switch parsing for switches after script name"); |
1228 | printf("\n -S look for the script using PATH environment variable"); | |
1229 | printf("\n -T turn on tainting checks"); | |
1230 | printf("\n -u dump core after parsing script"); | |
1231 | printf("\n -U allow unsafe operations"); | |
1232 | printf("\n -v print version number and patchlevel of perl"); | |
1a30305b | 1233 | printf("\n -V[:variable] print perl configuration information"); |
ab821d7f | 1234 | printf("\n -w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT."); |
4633a7c4 LW |
1235 | printf("\n -x[directory] strip off text before #!perl line and perhaps cd to directory\n"); |
1236 | } | |
1237 | ||
79072805 LW |
1238 | /* This routine handles any switches that can be given during run */ |
1239 | ||
1240 | char * | |
1241 | moreswitches(s) | |
1242 | char *s; | |
1243 | { | |
1244 | I32 numlen; | |
c07a80fd | 1245 | U32 rschar; |
79072805 LW |
1246 | |
1247 | switch (*s) { | |
1248 | case '0': | |
c07a80fd | 1249 | rschar = scan_oct(s, 4, &numlen); |
1250 | SvREFCNT_dec(nrs); | |
1251 | if (rschar & ~((U8)~0)) | |
1252 | nrs = &sv_undef; | |
1253 | else if (!rschar && numlen >= 2) | |
1254 | nrs = newSVpv("", 0); | |
1255 | else { | |
1256 | char ch = rschar; | |
1257 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1258 | } |
1259 | return s + numlen; | |
2304df62 AD |
1260 | case 'F': |
1261 | minus_F = TRUE; | |
a0d0e21e | 1262 | splitstr = savepv(s + 1); |
2304df62 AD |
1263 | s += strlen(s); |
1264 | return s; | |
79072805 LW |
1265 | case 'a': |
1266 | minus_a = TRUE; | |
1267 | s++; | |
1268 | return s; | |
1269 | case 'c': | |
1270 | minus_c = TRUE; | |
1271 | s++; | |
1272 | return s; | |
1273 | case 'd': | |
bbce6d69 | 1274 | forbid_setid("-d"); |
4633a7c4 | 1275 | s++; |
c07a80fd | 1276 | if (*s == ':' || *s == '=') { |
4633a7c4 LW |
1277 | sprintf(buf, "use Devel::%s;", ++s); |
1278 | s += strlen(s); | |
1279 | my_setenv("PERL5DB",buf); | |
1280 | } | |
a0d0e21e LW |
1281 | if (!perldb) { |
1282 | perldb = TRUE; | |
1283 | init_debugger(); | |
1284 | } | |
79072805 LW |
1285 | return s; |
1286 | case 'D': | |
1287 | #ifdef DEBUGGING | |
bbce6d69 | 1288 | forbid_setid("-D"); |
79072805 | 1289 | if (isALPHA(s[1])) { |
8990e307 | 1290 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1291 | char *d; |
1292 | ||
93a17b20 | 1293 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1294 | debug |= 1 << (d - debopts); |
1295 | } | |
1296 | else { | |
1297 | debug = atoi(s+1); | |
1298 | for (s++; isDIGIT(*s); s++) ; | |
1299 | } | |
8990e307 | 1300 | debug |= 0x80000000; |
79072805 LW |
1301 | #else |
1302 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1303 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1304 | #endif |
1305 | /*SUPPRESS 530*/ | |
1306 | return s; | |
4633a7c4 LW |
1307 | case 'h': |
1308 | usage(origargv[0]); | |
1309 | exit(0); | |
79072805 LW |
1310 | case 'i': |
1311 | if (inplace) | |
1312 | Safefree(inplace); | |
a0d0e21e | 1313 | inplace = savepv(s+1); |
79072805 LW |
1314 | /*SUPPRESS 530*/ |
1315 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
1316 | *s = '\0'; | |
1317 | break; | |
1318 | case 'I': | |
bbce6d69 | 1319 | forbid_setid("-I"); |
79072805 | 1320 | if (*++s) { |
774d564b | 1321 | char *e, *p; |
748a9306 | 1322 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1323 | p = savepvn(s, e-s); |
1324 | incpush(p, TRUE); | |
1325 | Safefree(p); | |
748a9306 LW |
1326 | if (*e) |
1327 | return e; | |
79072805 LW |
1328 | } |
1329 | else | |
463ee0b2 | 1330 | croak("No space allowed after -I"); |
79072805 LW |
1331 | break; |
1332 | case 'l': | |
1333 | minus_l = TRUE; | |
1334 | s++; | |
a0d0e21e LW |
1335 | if (ors) |
1336 | Safefree(ors); | |
79072805 | 1337 | if (isDIGIT(*s)) { |
a0d0e21e | 1338 | ors = savepv("\n"); |
79072805 LW |
1339 | orslen = 1; |
1340 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1341 | s += numlen; | |
1342 | } | |
1343 | else { | |
c07a80fd | 1344 | if (RsPARA(nrs)) { |
6e72f9df | 1345 | ors = "\n\n"; |
c07a80fd | 1346 | orslen = 2; |
1347 | } | |
1348 | else | |
1349 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1350 | ors = savepvn(ors, orslen); |
79072805 LW |
1351 | } |
1352 | return s; | |
1a30305b | 1353 | case 'M': |
bbce6d69 | 1354 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1355 | /* FALL THROUGH */ |
1356 | case 'm': | |
bbce6d69 | 1357 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1358 | if (*++s) { |
a5f75d66 AD |
1359 | char *start; |
1360 | char *use = "use "; | |
1361 | /* -M-foo == 'no foo' */ | |
1362 | if (*s == '-') { use = "no "; ++s; } | |
1363 | Sv = newSVpv(use,0); | |
1364 | start = s; | |
1a30305b | 1365 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1366 | while(isALNUM(*s) || *s==':') ++s; |
1367 | if (*s != '=') { | |
1368 | sv_catpv(Sv, start); | |
1369 | if (*(start-1) == 'm') { | |
1370 | if (*s != '\0') | |
1371 | croak("Can't use '%c' after -mname", *s); | |
1372 | sv_catpv( Sv, " ()"); | |
1373 | } | |
1374 | } else { | |
1375 | sv_catpvn(Sv, start, s-start); | |
a5f75d66 | 1376 | sv_catpv(Sv, " split(/,/,q{"); |
c07a80fd | 1377 | sv_catpv(Sv, ++s); |
a5f75d66 | 1378 | sv_catpv(Sv, "})"); |
c07a80fd | 1379 | } |
1a30305b | 1380 | s += strlen(s); |
c07a80fd | 1381 | if (preambleav == NULL) |
1382 | preambleav = newAV(); | |
1383 | av_push(preambleav, Sv); | |
1a30305b | 1384 | } |
1385 | else | |
1386 | croak("No space allowed after -%c", *(s-1)); | |
1387 | return s; | |
79072805 LW |
1388 | case 'n': |
1389 | minus_n = TRUE; | |
1390 | s++; | |
1391 | return s; | |
1392 | case 'p': | |
1393 | minus_p = TRUE; | |
1394 | s++; | |
1395 | return s; | |
1396 | case 's': | |
bbce6d69 | 1397 | forbid_setid("-s"); |
79072805 LW |
1398 | doswitches = TRUE; |
1399 | s++; | |
1400 | return s; | |
463ee0b2 | 1401 | case 'T': |
f86702cc | 1402 | if (!tainting) |
9607fc9c | 1403 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1404 | s++; |
1405 | return s; | |
79072805 LW |
1406 | case 'u': |
1407 | do_undump = TRUE; | |
1408 | s++; | |
1409 | return s; | |
1410 | case 'U': | |
1411 | unsafe = TRUE; | |
1412 | s++; | |
1413 | return s; | |
1414 | case 'v': | |
a5f75d66 AD |
1415 | #if defined(SUBVERSION) && SUBVERSION > 0 |
1416 | printf("\nThis is perl, version 5.%03d_%02d", PATCHLEVEL, SUBVERSION); | |
1417 | #else | |
1418 | printf("\nThis is perl, version %s",patchlevel); | |
1419 | #endif | |
1a30305b | 1420 | |
44a8e56a | 1421 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1422 | #ifdef MSDOS |
55497cff | 1423 | printf("\n\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
1424 | #endif | |
1425 | #ifdef DJGPP | |
1426 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4633a7c4 | 1427 | #endif |
79072805 | 1428 | #ifdef OS2 |
5dd60ef7 | 1429 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c | 1430 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1431 | #endif |
79072805 | 1432 | #ifdef atarist |
760ac839 | 1433 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1434 | #endif |
760ac839 | 1435 | printf("\n\ |
79072805 | 1436 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1437 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 LW |
1438 | exit(0); |
1439 | case 'w': | |
1440 | dowarn = TRUE; | |
1441 | s++; | |
1442 | return s; | |
a0d0e21e | 1443 | case '*': |
79072805 LW |
1444 | case ' ': |
1445 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1446 | return s+2; | |
1447 | break; | |
a0d0e21e | 1448 | case '-': |
79072805 LW |
1449 | case 0: |
1450 | case '\n': | |
1451 | case '\t': | |
1452 | break; | |
aa689395 | 1453 | #ifdef ALTERNATE_SHEBANG |
1454 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1455 | break; | |
1456 | #endif | |
a0d0e21e LW |
1457 | case 'P': |
1458 | if (preprocess) | |
1459 | return s+1; | |
1460 | /* FALL THROUGH */ | |
79072805 | 1461 | default: |
a0d0e21e | 1462 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1463 | } |
1464 | return Nullch; | |
1465 | } | |
1466 | ||
1467 | /* compliments of Tom Christiansen */ | |
1468 | ||
1469 | /* unexec() can be found in the Gnu emacs distribution */ | |
1470 | ||
1471 | void | |
1472 | my_unexec() | |
1473 | { | |
1474 | #ifdef UNEXEC | |
1475 | int status; | |
1476 | extern int etext; | |
1477 | ||
1478 | sprintf (buf, "%s.perldump", origfilename); | |
1479 | sprintf (tokenbuf, "%s/perl", BIN); | |
1480 | ||
1481 | status = unexec(buf, tokenbuf, &etext, sbrk(0), 0); | |
1482 | if (status) | |
760ac839 | 1483 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", tokenbuf, buf); |
a0d0e21e | 1484 | exit(status); |
79072805 | 1485 | #else |
a5f75d66 AD |
1486 | # ifdef VMS |
1487 | # include <lib$routines.h> | |
1488 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1489 | # else |
79072805 | 1490 | ABORT(); /* for use with undump */ |
aa689395 | 1491 | # endif |
a5f75d66 | 1492 | #endif |
79072805 LW |
1493 | } |
1494 | ||
1495 | static void | |
1496 | init_main_stash() | |
1497 | { | |
463ee0b2 | 1498 | GV *gv; |
6e72f9df | 1499 | |
1500 | /* Note that strtab is a rather special HV. Assumptions are made | |
1501 | about not iterating on it, and not adding tie magic to it. | |
1502 | It is properly deallocated in perl_destruct() */ | |
1503 | strtab = newHV(); | |
1504 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1505 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1506 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1507 | ||
463ee0b2 | 1508 | curstash = defstash = newHV(); |
79072805 | 1509 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1510 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1511 | SvREFCNT_dec(GvHV(gv)); | |
1512 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1513 | SvREADONLY_on(gv); |
a0d0e21e | 1514 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1515 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1516 | GvMULTI_on(incgv); |
a0d0e21e | 1517 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
4633a7c4 | 1518 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
a5f75d66 | 1519 | GvMULTI_on(errgv); |
552a7a9b | 1520 | sv_setpvn(GvSV(errgv), "", 0); |
8990e307 LW |
1521 | curstash = defstash; |
1522 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1523 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1524 | /* We must init $/ before switches are processed. */ |
1525 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1526 | } |
1527 | ||
a0d0e21e LW |
1528 | #ifdef CAN_PROTOTYPE |
1529 | static void | |
1530 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1531 | #else | |
79072805 LW |
1532 | static void |
1533 | open_script(scriptname,dosearch,sv) | |
1534 | char *scriptname; | |
1535 | bool dosearch; | |
1536 | SV *sv; | |
a0d0e21e | 1537 | #endif |
79072805 LW |
1538 | { |
1539 | char *xfound = Nullch; | |
1540 | char *xfailed = Nullch; | |
1541 | register char *s; | |
1542 | I32 len; | |
a38d6535 LW |
1543 | int retval; |
1544 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
1545 | #define SEARCH_EXTS ".bat", ".cmd", NULL | |
1546 | #endif | |
ab821d7f | 1547 | #ifdef VMS |
1548 | # define SEARCH_EXTS ".pl", ".com", NULL | |
1549 | #endif | |
a38d6535 LW |
1550 | /* additional extensions to try in each dir if scriptname not found */ |
1551 | #ifdef SEARCH_EXTS | |
1552 | char *ext[] = { SEARCH_EXTS }; | |
1553 | int extidx = (strchr(scriptname,'.')) ? -1 : 0; /* has ext already */ | |
1554 | #endif | |
79072805 | 1555 | |
c07a80fd | 1556 | #ifdef VMS |
6e72f9df | 1557 | if (dosearch) { |
1558 | int hasdir, idx = 0, deftypes = 1; | |
1559 | ||
1560 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1561 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1562 | * already have, so we can check for default file types. */ | |
1563 | while (deftypes || (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) { | |
1564 | if (deftypes) { deftypes = 0; *tokenbuf = '\0'; } | |
c07a80fd | 1565 | strcat(tokenbuf,scriptname); |
1566 | #else /* !VMS */ | |
93a17b20 | 1567 | if (dosearch && !strchr(scriptname, '/') && (s = getenv("PATH"))) { |
79072805 LW |
1568 | |
1569 | bufend = s + strlen(s); | |
1570 | while (*s) { | |
1571 | #ifndef DOSISH | |
1572 | s = cpytill(tokenbuf,s,bufend,':',&len); | |
1573 | #else | |
1574 | #ifdef atarist | |
1575 | for (len = 0; *s && *s != ',' && *s != ';'; tokenbuf[len++] = *s++); | |
1576 | tokenbuf[len] = '\0'; | |
1577 | #else | |
1578 | for (len = 0; *s && *s != ';'; tokenbuf[len++] = *s++); | |
1579 | tokenbuf[len] = '\0'; | |
1580 | #endif | |
1581 | #endif | |
1582 | if (*s) | |
1583 | s++; | |
1584 | #ifndef DOSISH | |
1585 | if (len && tokenbuf[len-1] != '/') | |
1586 | #else | |
1587 | #ifdef atarist | |
1588 | if (len && ((tokenbuf[len-1] != '\\') && (tokenbuf[len-1] != '/'))) | |
1589 | #else | |
1590 | if (len && tokenbuf[len-1] != '\\') | |
1591 | #endif | |
1592 | #endif | |
1593 | (void)strcat(tokenbuf+len,"/"); | |
1594 | (void)strcat(tokenbuf+len,scriptname); | |
c07a80fd | 1595 | #endif /* !VMS */ |
a38d6535 LW |
1596 | |
1597 | #ifdef SEARCH_EXTS | |
1598 | len = strlen(tokenbuf); | |
1599 | if (extidx > 0) /* reset after previous loop */ | |
1600 | extidx = 0; | |
1601 | do { | |
1602 | #endif | |
760ac839 | 1603 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1604 | retval = Stat(tokenbuf,&statbuf); |
1605 | #ifdef SEARCH_EXTS | |
1606 | } while ( retval < 0 /* not there */ | |
1607 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1608 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1609 | ); | |
1610 | #endif | |
1611 | if (retval < 0) | |
79072805 LW |
1612 | continue; |
1613 | if (S_ISREG(statbuf.st_mode) | |
1614 | && cando(S_IRUSR,TRUE,&statbuf) && cando(S_IXUSR,TRUE,&statbuf)) { | |
1615 | xfound = tokenbuf; /* bingo! */ | |
1616 | break; | |
1617 | } | |
1618 | if (!xfailed) | |
a0d0e21e | 1619 | xfailed = savepv(tokenbuf); |
79072805 LW |
1620 | } |
1621 | if (!xfound) | |
463ee0b2 | 1622 | croak("Can't execute %s", xfailed ? xfailed : scriptname ); |
79072805 LW |
1623 | if (xfailed) |
1624 | Safefree(xfailed); | |
1625 | scriptname = xfound; | |
1626 | } | |
1627 | ||
96436eeb | 1628 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1629 | char *s = scriptname + 8; | |
1630 | fdscript = atoi(s); | |
1631 | while (isDIGIT(*s)) | |
1632 | s++; | |
1633 | if (*s) | |
1634 | scriptname = s + 1; | |
1635 | } | |
1636 | else | |
1637 | fdscript = -1; | |
ab821d7f | 1638 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1639 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1640 | if (strEQ(origfilename,"-")) | |
1641 | scriptname = ""; | |
96436eeb | 1642 | if (fdscript >= 0) { |
760ac839 | 1643 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 1644 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1645 | if (rsfp) |
1646 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1647 | #endif |
1648 | } | |
1649 | else if (preprocess) { | |
79072805 LW |
1650 | char *cpp = CPPSTDIN; |
1651 | ||
1652 | if (strEQ(cpp,"cppstdin")) | |
1653 | sprintf(tokenbuf, "%s/%s", SCRIPTDIR, cpp); | |
1654 | else | |
1655 | sprintf(tokenbuf, "%s", cpp); | |
1656 | sv_catpv(sv,"-I"); | |
fed7345c | 1657 | sv_catpv(sv,PRIVLIB_EXP); |
79072805 LW |
1658 | #ifdef MSDOS |
1659 | (void)sprintf(buf, "\ | |
1660 | sed %s -e \"/^[^#]/b\" \ | |
1661 | -e \"/^#[ ]*include[ ]/b\" \ | |
1662 | -e \"/^#[ ]*define[ ]/b\" \ | |
1663 | -e \"/^#[ ]*if[ ]/b\" \ | |
1664 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1665 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1666 | -e \"/^#[ ]*else/b\" \ | |
1667 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1668 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1669 | -e \"/^#[ ]*endif/b\" \ | |
1670 | -e \"s/^#.*//\" \ | |
1671 | %s | %s -C %s %s", | |
1672 | (doextract ? "-e \"1,/^#/d\n\"" : ""), | |
1673 | #else | |
1674 | (void)sprintf(buf, "\ | |
1675 | %s %s -e '/^[^#]/b' \ | |
1676 | -e '/^#[ ]*include[ ]/b' \ | |
1677 | -e '/^#[ ]*define[ ]/b' \ | |
1678 | -e '/^#[ ]*if[ ]/b' \ | |
1679 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1680 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1681 | -e '/^#[ ]*else/b' \ | |
1682 | -e '/^#[ ]*elif[ ]/b' \ | |
1683 | -e '/^#[ ]*undef[ ]/b' \ | |
1684 | -e '/^#[ ]*endif/b' \ | |
1685 | -e 's/^[ ]*#.*//' \ | |
1686 | %s | %s -C %s %s", | |
1687 | #ifdef LOC_SED | |
1688 | LOC_SED, | |
1689 | #else | |
1690 | "sed", | |
1691 | #endif | |
1692 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
1693 | #endif | |
463ee0b2 | 1694 | scriptname, tokenbuf, SvPV(sv, na), CPPMINUS); |
79072805 LW |
1695 | doextract = FALSE; |
1696 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
1697 | if (euid != uid && !euid) { /* if running suidperl */ | |
1698 | #ifdef HAS_SETEUID | |
1699 | (void)seteuid(uid); /* musn't stay setuid root */ | |
1700 | #else | |
1701 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1702 | (void)setreuid((Uid_t)-1, uid); |
1703 | #else | |
1704 | #ifdef HAS_SETRESUID | |
1705 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
1706 | #else |
1707 | setuid(uid); | |
1708 | #endif | |
1709 | #endif | |
85e6fe83 | 1710 | #endif |
79072805 | 1711 | if (geteuid() != uid) |
463ee0b2 | 1712 | croak("Can't do seteuid!\n"); |
79072805 LW |
1713 | } |
1714 | #endif /* IAMSUID */ | |
1715 | rsfp = my_popen(buf,"r"); | |
1716 | } | |
1717 | else if (!*scriptname) { | |
bbce6d69 | 1718 | forbid_setid("program input from stdin"); |
760ac839 | 1719 | rsfp = PerlIO_stdin(); |
79072805 | 1720 | } |
96436eeb | 1721 | else { |
760ac839 | 1722 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 1723 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1724 | if (rsfp) |
1725 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1726 | #endif |
1727 | } | |
5dd60ef7 | 1728 | if (e_tmpname) { |
1729 | e_fp = rsfp; | |
1730 | } | |
7aa04957 | 1731 | if (!rsfp) { |
13281fa4 | 1732 | #ifdef DOSUID |
a687059c | 1733 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 1734 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 1735 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
27e2fb84 | 1736 | (void)sprintf(buf, "%s/sperl%s", BIN, patchlevel); |
a687059c | 1737 | execv(buf, origargv); /* try again */ |
463ee0b2 | 1738 | croak("Can't do setuid\n"); |
13281fa4 LW |
1739 | } |
1740 | #endif | |
1741 | #endif | |
463ee0b2 | 1742 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 1743 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 1744 | } |
79072805 | 1745 | } |
8d063cd8 | 1746 | |
79072805 | 1747 | static void |
96436eeb | 1748 | validate_suid(validarg, scriptname) |
79072805 | 1749 | char *validarg; |
96436eeb | 1750 | char *scriptname; |
79072805 | 1751 | { |
96436eeb | 1752 | int which; |
1753 | ||
13281fa4 LW |
1754 | /* do we need to emulate setuid on scripts? */ |
1755 | ||
1756 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
1757 | * in the kernel because of a security problem. Merely defining DOSUID | |
1758 | * in perl will not fix that problem, but if you have disabled setuid | |
1759 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
1760 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
1761 | * root version must be called suidperl or sperlN.NNN. If regular perl |
1762 | * discovers that it has opened a setuid script, it calls suidperl with | |
1763 | * the same argv that it had. If suidperl finds that the script it has | |
1764 | * just opened is NOT setuid root, it sets the effective uid back to the | |
1765 | * uid. We don't just make perl setuid root because that loses the | |
1766 | * effective uid we had before invoking perl, if it was different from the | |
1767 | * uid. | |
13281fa4 LW |
1768 | * |
1769 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
1770 | * be defined in suidperl only. suidperl must be setuid root. The | |
1771 | * Configure script will set this up for you if you want it. | |
1772 | */ | |
a687059c | 1773 | |
13281fa4 | 1774 | #ifdef DOSUID |
6e72f9df | 1775 | char *s, *s2; |
a0d0e21e | 1776 | |
760ac839 | 1777 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 1778 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 1779 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 1780 | I32 len; |
13281fa4 | 1781 | |
a687059c | 1782 | #ifdef IAMSUID |
fe14fcc3 | 1783 | #ifndef HAS_SETREUID |
a687059c LW |
1784 | /* On this access check to make sure the directories are readable, |
1785 | * there is actually a small window that the user could use to make | |
1786 | * filename point to an accessible directory. So there is a faint | |
1787 | * chance that someone could execute a setuid script down in a | |
1788 | * non-accessible directory. I don't know what to do about that. | |
1789 | * But I don't think it's too important. The manual lies when | |
1790 | * it says access() is useful in setuid programs. | |
1791 | */ | |
463ee0b2 LW |
1792 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
1793 | croak("Permission denied"); | |
a687059c LW |
1794 | #else |
1795 | /* If we can swap euid and uid, then we can determine access rights | |
1796 | * with a simple stat of the file, and then compare device and | |
1797 | * inode to make sure we did stat() on the same file we opened. | |
1798 | * Then we just have to make sure he or she can execute it. | |
1799 | */ | |
1800 | { | |
1801 | struct stat tmpstatbuf; | |
1802 | ||
85e6fe83 LW |
1803 | if ( |
1804 | #ifdef HAS_SETREUID | |
1805 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
1806 | #else |
1807 | # if HAS_SETRESUID | |
85e6fe83 | 1808 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 1809 | # endif |
85e6fe83 LW |
1810 | #endif |
1811 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 1812 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 1813 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 1814 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
1815 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
1816 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 1817 | (void)PerlIO_close(rsfp); |
79072805 | 1818 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 1819 | PerlIO_printf(rsfp, |
ff0cee69 | 1820 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
1821 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
1822 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
1823 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 1824 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 1825 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 | 1826 | (void)my_pclose(rsfp); |
a687059c | 1827 | } |
463ee0b2 | 1828 | croak("Permission denied\n"); |
a687059c | 1829 | } |
85e6fe83 LW |
1830 | if ( |
1831 | #ifdef HAS_SETREUID | |
1832 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
1833 | #else |
1834 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 1835 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 1836 | # endif |
85e6fe83 LW |
1837 | #endif |
1838 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 1839 | croak("Can't reswap uid and euid"); |
27e2fb84 | 1840 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 1841 | croak("Permission denied\n"); |
a687059c | 1842 | } |
fe14fcc3 | 1843 | #endif /* HAS_SETREUID */ |
a687059c LW |
1844 | #endif /* IAMSUID */ |
1845 | ||
27e2fb84 | 1846 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 1847 | croak("Permission denied"); |
27e2fb84 | 1848 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 1849 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 1850 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 1851 | curcop->cop_line++; |
760ac839 LW |
1852 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
1853 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 1854 | croak("No #! line"); |
760ac839 | 1855 | s = SvPV(linestr,na)+2; |
663a0e37 | 1856 | if (*s == ' ') s++; |
45d8adaa | 1857 | while (!isSPACE(*s)) s++; |
760ac839 | 1858 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 1859 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
1860 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 1861 | croak("Not a perl script"); |
a687059c | 1862 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
1863 | /* |
1864 | * #! arg must be what we saw above. They can invoke it by | |
1865 | * mentioning suidperl explicitly, but they may not add any strange | |
1866 | * arguments beyond what #! says if they do invoke suidperl that way. | |
1867 | */ | |
1868 | len = strlen(validarg); | |
1869 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 1870 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 1871 | croak("Args must match #! line"); |
a687059c LW |
1872 | |
1873 | #ifndef IAMSUID | |
1874 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
1875 | euid == statbuf.st_uid) | |
1876 | if (!do_undump) | |
463ee0b2 | 1877 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
1878 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
1879 | #endif /* IAMSUID */ | |
13281fa4 LW |
1880 | |
1881 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 1882 | (void)PerlIO_close(rsfp); |
13281fa4 | 1883 | #ifndef IAMSUID |
27e2fb84 | 1884 | (void)sprintf(buf, "%s/sperl%s", BIN, patchlevel); |
a687059c | 1885 | execv(buf, origargv); /* try again */ |
13281fa4 | 1886 | #endif |
463ee0b2 | 1887 | croak("Can't do setuid\n"); |
13281fa4 LW |
1888 | } |
1889 | ||
83025b21 | 1890 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 1891 | #ifdef HAS_SETEGID |
a687059c LW |
1892 | (void)setegid(statbuf.st_gid); |
1893 | #else | |
fe14fcc3 | 1894 | #ifdef HAS_SETREGID |
85e6fe83 LW |
1895 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
1896 | #else | |
1897 | #ifdef HAS_SETRESGID | |
1898 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
1899 | #else |
1900 | setgid(statbuf.st_gid); | |
1901 | #endif | |
1902 | #endif | |
85e6fe83 | 1903 | #endif |
83025b21 | 1904 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 1905 | croak("Can't do setegid!\n"); |
83025b21 | 1906 | } |
a687059c LW |
1907 | if (statbuf.st_mode & S_ISUID) { |
1908 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 1909 | #ifdef HAS_SETEUID |
a687059c LW |
1910 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
1911 | #else | |
fe14fcc3 | 1912 | #ifdef HAS_SETREUID |
85e6fe83 LW |
1913 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
1914 | #else | |
1915 | #ifdef HAS_SETRESUID | |
1916 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
1917 | #else |
1918 | setuid(statbuf.st_uid); | |
1919 | #endif | |
1920 | #endif | |
85e6fe83 | 1921 | #endif |
83025b21 | 1922 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 1923 | croak("Can't do seteuid!\n"); |
a687059c | 1924 | } |
83025b21 | 1925 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 1926 | #ifdef HAS_SETEUID |
85e6fe83 | 1927 | (void)seteuid((Uid_t)uid); |
a687059c | 1928 | #else |
fe14fcc3 | 1929 | #ifdef HAS_SETREUID |
85e6fe83 | 1930 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 1931 | #else |
85e6fe83 LW |
1932 | #ifdef HAS_SETRESUID |
1933 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
1934 | #else | |
1935 | setuid((Uid_t)uid); | |
1936 | #endif | |
a687059c LW |
1937 | #endif |
1938 | #endif | |
83025b21 | 1939 | if (geteuid() != uid) |
463ee0b2 | 1940 | croak("Can't do seteuid!\n"); |
83025b21 | 1941 | } |
748a9306 | 1942 | init_ids(); |
27e2fb84 | 1943 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 1944 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
1945 | } |
1946 | #ifdef IAMSUID | |
1947 | else if (preprocess) | |
463ee0b2 | 1948 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 1949 | else if (fdscript >= 0) |
1950 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 1951 | else |
463ee0b2 | 1952 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 1953 | |
1954 | /* We absolutely must clear out any saved ids here, so we */ | |
1955 | /* exec the real perl, substituting fd script for scriptname. */ | |
1956 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
1957 | PerlIO_rewind(rsfp); |
1958 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 1959 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
1960 | if (!origargv[which]) | |
1961 | croak("Permission denied"); | |
760ac839 | 1962 | (void)sprintf(buf, "/dev/fd/%d/%.127s", PerlIO_fileno(rsfp), origargv[which]); |
96436eeb | 1963 | origargv[which] = buf; |
1964 | ||
1965 | #if defined(HAS_FCNTL) && defined(F_SETFD) | |
760ac839 | 1966 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 1967 | #endif |
1968 | ||
1969 | (void)sprintf(tokenbuf, "%s/perl%s", BIN, patchlevel); | |
1970 | execv(tokenbuf, origargv); /* try again */ | |
1971 | croak("Can't do setuid\n"); | |
13281fa4 | 1972 | #endif /* IAMSUID */ |
a687059c | 1973 | #else /* !DOSUID */ |
a687059c LW |
1974 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
1975 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
760ac839 | 1976 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
1977 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
1978 | || | |
1979 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
1980 | ) | |
1981 | if (!do_undump) | |
463ee0b2 | 1982 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
1983 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
1984 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
1985 | /* not set-id, must be wrapped */ | |
a687059c | 1986 | } |
13281fa4 | 1987 | #endif /* DOSUID */ |
79072805 | 1988 | } |
13281fa4 | 1989 | |
79072805 LW |
1990 | static void |
1991 | find_beginning() | |
1992 | { | |
6e72f9df | 1993 | register char *s, *s2; |
33b78306 LW |
1994 | |
1995 | /* skip forward in input to the real script? */ | |
1996 | ||
bbce6d69 | 1997 | forbid_setid("-x"); |
33b78306 | 1998 | while (doextract) { |
79072805 | 1999 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2000 | croak("No Perl script found in input\n"); |
6e72f9df | 2001 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2002 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2003 | doextract = FALSE; |
6e72f9df | 2004 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2005 | s2 = s; | |
2006 | while (*s == ' ' || *s == '\t') s++; | |
2007 | if (*s++ == '-') { | |
2008 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2009 | if (strnEQ(s2-4,"perl",4)) | |
2010 | /*SUPPRESS 530*/ | |
2011 | while (s = moreswitches(s)) ; | |
33b78306 | 2012 | } |
79072805 | 2013 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 2014 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2015 | } |
2016 | } | |
2017 | } | |
2018 | ||
79072805 | 2019 | static void |
748a9306 | 2020 | init_ids() |
352d5a3a | 2021 | { |
748a9306 LW |
2022 | uid = (int)getuid(); |
2023 | euid = (int)geteuid(); | |
2024 | gid = (int)getgid(); | |
2025 | egid = (int)getegid(); | |
2026 | #ifdef VMS | |
2027 | uid |= gid << 16; | |
2028 | euid |= egid << 16; | |
2029 | #endif | |
4633a7c4 | 2030 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2031 | } |
79072805 | 2032 | |
748a9306 | 2033 | static void |
bbce6d69 | 2034 | forbid_setid(s) |
2035 | char *s; | |
2036 | { | |
2037 | if (euid != uid) | |
2038 | croak("No %s allowed while running setuid", s); | |
2039 | if (egid != gid) | |
2040 | croak("No %s allowed while running setgid", s); | |
2041 | } | |
2042 | ||
2043 | static void | |
748a9306 LW |
2044 | init_debugger() |
2045 | { | |
79072805 | 2046 | curstash = debstash; |
748a9306 | 2047 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2048 | AvREAL_off(dbargs); |
a0d0e21e LW |
2049 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2050 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2051 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2052 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2053 | sv_setiv(DBsingle, 0); |
748a9306 | 2054 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2055 | sv_setiv(DBtrace, 0); |
748a9306 | 2056 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2057 | sv_setiv(DBsignal, 0); |
79072805 | 2058 | curstash = defstash; |
352d5a3a LW |
2059 | } |
2060 | ||
79072805 | 2061 | static void |
8990e307 | 2062 | init_stacks() |
79072805 | 2063 | { |
6e72f9df | 2064 | curstack = newAV(); |
5f05dabc | 2065 | mainstack = curstack; /* remember in case we switch stacks */ |
2066 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2067 | av_extend(curstack,127); |
79072805 | 2068 | |
6e72f9df | 2069 | stack_base = AvARRAY(curstack); |
79072805 | 2070 | stack_sp = stack_base; |
8990e307 | 2071 | stack_max = stack_base + 127; |
79072805 | 2072 | |
5f05dabc | 2073 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2074 | New(50,cxstack,cxstack_max + 1,CONTEXT); | |
2075 | cxstack_ix = -1; | |
2076 | ||
2077 | New(50,tmps_stack,128,SV*); | |
2078 | tmps_ix = -1; | |
2079 | tmps_max = 128; | |
2080 | ||
2081 | DEBUG( { | |
2082 | New(51,debname,128,char); | |
2083 | New(52,debdelim,128,char); | |
2084 | } ) | |
2085 | ||
2086 | /* | |
2087 | * The following stacks almost certainly should be per-interpreter, | |
2088 | * but for now they're not. XXX | |
2089 | */ | |
2090 | ||
6e72f9df | 2091 | if (markstack) { |
2092 | markstack_ptr = markstack; | |
2093 | } else { | |
2094 | New(54,markstack,64,I32); | |
2095 | markstack_ptr = markstack; | |
2096 | markstack_max = markstack + 64; | |
2097 | } | |
79072805 | 2098 | |
6e72f9df | 2099 | if (scopestack) { |
2100 | scopestack_ix = 0; | |
2101 | } else { | |
2102 | New(54,scopestack,32,I32); | |
2103 | scopestack_ix = 0; | |
2104 | scopestack_max = 32; | |
2105 | } | |
79072805 | 2106 | |
6e72f9df | 2107 | if (savestack) { |
2108 | savestack_ix = 0; | |
2109 | } else { | |
2110 | New(54,savestack,128,ANY); | |
2111 | savestack_ix = 0; | |
2112 | savestack_max = 128; | |
2113 | } | |
79072805 | 2114 | |
6e72f9df | 2115 | if (retstack) { |
2116 | retstack_ix = 0; | |
2117 | } else { | |
2118 | New(54,retstack,16,OP*); | |
2119 | retstack_ix = 0; | |
2120 | retstack_max = 16; | |
5f05dabc | 2121 | } |
378cc40b | 2122 | } |
33b78306 | 2123 | |
6e72f9df | 2124 | static void |
2125 | nuke_stacks() | |
2126 | { | |
2127 | Safefree(cxstack); | |
2128 | Safefree(tmps_stack); | |
5f05dabc | 2129 | DEBUG( { |
2130 | Safefree(debname); | |
2131 | Safefree(debdelim); | |
2132 | } ) | |
6e72f9df | 2133 | } |
2134 | ||
760ac839 | 2135 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2136 | |
79072805 | 2137 | static void |
8990e307 LW |
2138 | init_lexer() |
2139 | { | |
a0d0e21e | 2140 | tmpfp = rsfp; |
8990e307 LW |
2141 | lex_start(linestr); |
2142 | rsfp = tmpfp; | |
2143 | subname = newSVpv("main",4); | |
2144 | } | |
2145 | ||
2146 | static void | |
79072805 | 2147 | init_predump_symbols() |
45d8adaa | 2148 | { |
93a17b20 | 2149 | GV *tmpgv; |
a0d0e21e | 2150 | GV *othergv; |
79072805 | 2151 | |
85e6fe83 | 2152 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
79072805 | 2153 | |
85e6fe83 | 2154 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2155 | GvMULTI_on(stdingv); |
760ac839 | 2156 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2157 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2158 | GvMULTI_on(tmpgv); |
a0d0e21e | 2159 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2160 | |
85e6fe83 | 2161 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2162 | GvMULTI_on(tmpgv); |
760ac839 | 2163 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2164 | setdefout(tmpgv); |
adbc6bb1 | 2165 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2166 | GvMULTI_on(tmpgv); |
a0d0e21e | 2167 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2168 | |
a0d0e21e | 2169 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2170 | GvMULTI_on(othergv); |
760ac839 | 2171 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2172 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2173 | GvMULTI_on(tmpgv); |
a0d0e21e | 2174 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2175 | |
2176 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2177 | |
6e72f9df | 2178 | if (!osname) |
2179 | osname = savepv(OSNAME); | |
79072805 | 2180 | } |
33b78306 | 2181 | |
79072805 LW |
2182 | static void |
2183 | init_postdump_symbols(argc,argv,env) | |
2184 | register int argc; | |
2185 | register char **argv; | |
2186 | register char **env; | |
33b78306 | 2187 | { |
79072805 LW |
2188 | char *s; |
2189 | SV *sv; | |
2190 | GV* tmpgv; | |
fe14fcc3 | 2191 | |
79072805 LW |
2192 | argc--,argv++; /* skip name of script */ |
2193 | if (doswitches) { | |
2194 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2195 | if (!argv[0][1]) | |
2196 | break; | |
2197 | if (argv[0][1] == '-') { | |
2198 | argc--,argv++; | |
2199 | break; | |
2200 | } | |
93a17b20 | 2201 | if (s = strchr(argv[0], '=')) { |
79072805 | 2202 | *s++ = '\0'; |
85e6fe83 | 2203 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2204 | } |
2205 | else | |
85e6fe83 | 2206 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2207 | } |
79072805 LW |
2208 | } |
2209 | toptarget = NEWSV(0,0); | |
2210 | sv_upgrade(toptarget, SVt_PVFM); | |
2211 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2212 | bodytarget = NEWSV(0,0); |
79072805 LW |
2213 | sv_upgrade(bodytarget, SVt_PVFM); |
2214 | sv_setpvn(bodytarget, "", 0); | |
2215 | formtarget = bodytarget; | |
2216 | ||
bbce6d69 | 2217 | TAINT; |
85e6fe83 | 2218 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2219 | sv_setpv(GvSV(tmpgv),origfilename); |
2220 | magicname("0", "0", 1); | |
2221 | } | |
85e6fe83 | 2222 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2223 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2224 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2225 | GvMULTI_on(argvgv); |
79072805 LW |
2226 | (void)gv_AVadd(argvgv); |
2227 | av_clear(GvAVn(argvgv)); | |
2228 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2229 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2230 | } |
2231 | } | |
85e6fe83 | 2232 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2233 | HV *hv; |
a5f75d66 | 2234 | GvMULTI_on(envgv); |
79072805 | 2235 | hv = GvHVn(envgv); |
463ee0b2 | 2236 | hv_clear(hv); |
a0d0e21e | 2237 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2238 | /* Note that if the supplied env parameter is actually a copy |
2239 | of the global environ then it may now point to free'd memory | |
2240 | if the environment has been modified since. To avoid this | |
2241 | problem we treat env==NULL as meaning 'use the default' | |
2242 | */ | |
2243 | if (!env) | |
2244 | env = environ; | |
8990e307 | 2245 | if (env != environ) { |
79072805 | 2246 | environ[0] = Nullch; |
8990e307 LW |
2247 | hv_magic(hv, envgv, 'E'); |
2248 | } | |
79072805 | 2249 | for (; *env; env++) { |
93a17b20 | 2250 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2251 | continue; |
2252 | *s++ = '\0'; | |
2253 | sv = newSVpv(s--,0); | |
85e6fe83 | 2254 | sv_magic(sv, sv, 'e', *env, s - *env); |
79072805 LW |
2255 | (void)hv_store(hv, *env, s - *env, sv, 0); |
2256 | *s = '='; | |
fe14fcc3 | 2257 | } |
4550b24a | 2258 | #endif |
2259 | #ifdef DYNAMIC_ENV_FETCH | |
2260 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2261 | #endif | |
f511e57f | 2262 | hv_magic(hv, envgv, 'E'); |
79072805 | 2263 | } |
bbce6d69 | 2264 | TAINT_NOT; |
85e6fe83 | 2265 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2266 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2267 | } |
34de22dd | 2268 | |
79072805 LW |
2269 | static void |
2270 | init_perllib() | |
34de22dd | 2271 | { |
85e6fe83 LW |
2272 | char *s; |
2273 | if (!tainting) { | |
552a7a9b | 2274 | #ifndef VMS |
85e6fe83 LW |
2275 | s = getenv("PERL5LIB"); |
2276 | if (s) | |
774d564b | 2277 | incpush(s, TRUE); |
85e6fe83 | 2278 | else |
774d564b | 2279 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2280 | #else /* VMS */ |
2281 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2282 | * "natural" VMS idiom for a Unix path string. We allow each | |
2283 | * element to be a set of |-separated directories for compatibility. | |
2284 | */ | |
2285 | char buf[256]; | |
2286 | int idx = 0; | |
2287 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2288 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2289 | else |
774d564b | 2290 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2291 | #endif /* VMS */ |
85e6fe83 | 2292 | } |
34de22dd | 2293 | |
df5cef82 | 2294 | /* Use the ~-expanded versions of APPLIB (undocumented), |
2295 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB | |
2296 | */ | |
4633a7c4 | 2297 | #ifdef APPLLIB_EXP |
774d564b | 2298 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2299 | #endif |
4633a7c4 | 2300 | |
fed7345c | 2301 | #ifdef ARCHLIB_EXP |
774d564b | 2302 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2303 | #endif |
fed7345c AD |
2304 | #ifndef PRIVLIB_EXP |
2305 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2306 | #endif |
774d564b | 2307 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2308 | |
2309 | #ifdef SITEARCH_EXP | |
774d564b | 2310 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2311 | #endif |
2312 | #ifdef SITELIB_EXP | |
774d564b | 2313 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2314 | #endif |
2315 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2316 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2317 | #endif |
a0d0e21e | 2318 | |
4633a7c4 | 2319 | if (!tainting) |
774d564b | 2320 | incpush(".", FALSE); |
2321 | } | |
2322 | ||
2323 | #if defined(DOSISH) | |
2324 | # define PERLLIB_SEP ';' | |
2325 | #else | |
2326 | # if defined(VMS) | |
2327 | # define PERLLIB_SEP '|' | |
2328 | # else | |
2329 | # define PERLLIB_SEP ':' | |
2330 | # endif | |
2331 | #endif | |
2332 | #ifndef PERLLIB_MANGLE | |
2333 | # define PERLLIB_MANGLE(s,n) (s) | |
2334 | #endif | |
2335 | ||
2336 | static void | |
2337 | incpush(p, addsubdirs) | |
2338 | char *p; | |
2339 | int addsubdirs; | |
2340 | { | |
2341 | SV *subdir = Nullsv; | |
2342 | static char *archpat_auto; | |
2343 | ||
2344 | if (!p) | |
2345 | return; | |
2346 | ||
2347 | if (addsubdirs) { | |
2348 | subdir = newSV(0); | |
2349 | if (!archpat_auto) { | |
2350 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2351 | + sizeof("//auto")); | |
2352 | New(55, archpat_auto, len, char); | |
2353 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2354 | #ifdef VMS |
2355 | for (len = sizeof(ARCHNAME) + 2; | |
2356 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2357 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2358 | #endif | |
774d564b | 2359 | } |
2360 | } | |
2361 | ||
2362 | /* Break at all separators */ | |
2363 | while (p && *p) { | |
2364 | SV *libdir = newSV(0); | |
2365 | char *s; | |
2366 | ||
2367 | /* skip any consecutive separators */ | |
2368 | while ( *p == PERLLIB_SEP ) { | |
2369 | /* Uncomment the next line for PATH semantics */ | |
2370 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2371 | p++; | |
2372 | } | |
2373 | ||
2374 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2375 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2376 | (STRLEN)(s - p)); | |
2377 | p = s + 1; | |
2378 | } | |
2379 | else { | |
2380 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2381 | p = Nullch; /* break out */ | |
2382 | } | |
2383 | ||
2384 | /* | |
2385 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2386 | * archname-specific sub-directories. | |
2387 | */ | |
2388 | if (addsubdirs) { | |
2389 | struct stat tmpstatbuf; | |
aa689395 | 2390 | #ifdef VMS |
2391 | char *unix; | |
2392 | STRLEN len; | |
774d564b | 2393 | |
aa689395 | 2394 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2395 | len = strlen(unix); | |
2396 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2397 | sv_usepvn(libdir,unix,len); | |
2398 | } | |
2399 | else | |
2400 | PerlIO_printf(PerlIO_stderr(), | |
2401 | "Failed to unixify @INC element \"%s\"\n", | |
2402 | SvPV(libdir,na)); | |
2403 | #endif | |
4fdae800 | 2404 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2405 | sv_setsv(subdir, libdir); |
2406 | sv_catpv(subdir, archpat_auto); | |
2407 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2408 | S_ISDIR(tmpstatbuf.st_mode)) | |
2409 | av_push(GvAVn(incgv), | |
2410 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2411 | ||
4fdae800 | 2412 | /* .../archname if -d .../archname/auto */ |
774d564b | 2413 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2414 | strlen(patchlevel) + 1, "", 0); | |
2415 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2416 | S_ISDIR(tmpstatbuf.st_mode)) | |
2417 | av_push(GvAVn(incgv), | |
2418 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2419 | } | |
2420 | ||
2421 | /* finally push this lib directory on the end of @INC */ | |
2422 | av_push(GvAVn(incgv), libdir); | |
2423 | } | |
2424 | ||
2425 | SvREFCNT_dec(subdir); | |
34de22dd | 2426 | } |
93a17b20 LW |
2427 | |
2428 | void | |
2429 | calllist(list) | |
2430 | AV* list; | |
2431 | { | |
a5f75d66 | 2432 | Sigjmp_buf oldtop; |
a0d0e21e LW |
2433 | STRLEN len; |
2434 | line_t oldline = curcop->cop_line; | |
93a17b20 | 2435 | |
a5f75d66 | 2436 | Copy(top_env, oldtop, 1, Sigjmp_buf); |
93a17b20 | 2437 | |
8990e307 LW |
2438 | while (AvFILL(list) >= 0) { |
2439 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2440 | |
8990e307 | 2441 | SAVEFREESV(cv); |
a0d0e21e | 2442 | |
a5f75d66 | 2443 | switch (Sigsetjmp(top_env,1)) { |
748a9306 | 2444 | case 0: { |
4633a7c4 | 2445 | SV* atsv = GvSV(errgv); |
748a9306 LW |
2446 | PUSHMARK(stack_sp); |
2447 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
2448 | (void)SvPV(atsv, len); | |
2449 | if (len) { | |
a5f75d66 | 2450 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
748a9306 LW |
2451 | curcop = &compiling; |
2452 | curcop->cop_line = oldline; | |
2453 | if (list == beginav) | |
2454 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
2455 | else | |
2456 | sv_catpv(atsv, "END failed--cleanup aborted"); | |
2457 | croak("%s", SvPVX(atsv)); | |
2458 | } | |
a0d0e21e | 2459 | } |
85e6fe83 LW |
2460 | break; |
2461 | case 1: | |
f86702cc | 2462 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2463 | /* FALL THROUGH */ |
2464 | case 2: | |
2465 | /* my_exit() was called */ | |
2466 | curstash = defstash; | |
2467 | if (endav) | |
2468 | calllist(endav); | |
a0d0e21e | 2469 | FREETMPS; |
a5f75d66 | 2470 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
a0d0e21e LW |
2471 | curcop = &compiling; |
2472 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2473 | if (statusvalue) { |
2474 | if (list == beginav) | |
a0d0e21e | 2475 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2476 | else |
a0d0e21e | 2477 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2478 | } |
f86702cc | 2479 | my_exit_jump(); |
85e6fe83 | 2480 | /* NOTREACHED */ |
85e6fe83 LW |
2481 | case 3: |
2482 | if (!restartop) { | |
760ac839 | 2483 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2484 | FREETMPS; |
85e6fe83 LW |
2485 | break; |
2486 | } | |
a5f75d66 | 2487 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
a0d0e21e LW |
2488 | curcop = &compiling; |
2489 | curcop->cop_line = oldline; | |
a5f75d66 | 2490 | Siglongjmp(top_env, 3); |
8990e307 | 2491 | } |
93a17b20 LW |
2492 | } |
2493 | ||
a5f75d66 | 2494 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
93a17b20 LW |
2495 | } |
2496 | ||
f86702cc | 2497 | void |
2498 | my_exit(status) | |
2499 | U32 status; | |
2500 | { | |
2501 | switch (status) { | |
2502 | case 0: | |
2503 | STATUS_ALL_SUCCESS; | |
2504 | break; | |
2505 | case 1: | |
2506 | STATUS_ALL_FAILURE; | |
2507 | break; | |
2508 | default: | |
2509 | STATUS_NATIVE_SET(status); | |
2510 | break; | |
2511 | } | |
2512 | my_exit_jump(); | |
2513 | } | |
2514 | ||
2515 | void | |
2516 | my_failure_exit() | |
2517 | { | |
2518 | #ifdef VMS | |
2519 | if (vaxc$errno & 1) { | |
4fdae800 | 2520 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2521 | STATUS_NATIVE_SET(44); | |
f86702cc | 2522 | } |
2523 | else { | |
ff0cee69 | 2524 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2525 | STATUS_NATIVE_SET(44); |
f86702cc | 2526 | else |
4fdae800 | 2527 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2528 | } |
2529 | #else | |
2530 | if (errno & 255) | |
2531 | STATUS_POSIX_SET(errno); | |
2532 | else if (STATUS_POSIX == 0) | |
2533 | STATUS_POSIX_SET(255); | |
2534 | #endif | |
2535 | my_exit_jump(); | |
2536 | } | |
2537 | ||
2538 | static void | |
2539 | my_exit_jump() | |
2540 | { | |
2541 | register CONTEXT *cx; | |
2542 | I32 gimme; | |
2543 | SV **newsp; | |
2544 | ||
2545 | if (e_tmpname) { | |
2546 | if (e_fp) { | |
2547 | PerlIO_close(e_fp); | |
2548 | e_fp = Nullfp; | |
2549 | } | |
2550 | (void)UNLINK(e_tmpname); | |
2551 | Safefree(e_tmpname); | |
2552 | e_tmpname = Nullch; | |
2553 | } | |
2554 | ||
2555 | if (cxstack_ix >= 0) { | |
2556 | if (cxstack_ix > 0) | |
2557 | dounwind(0); | |
2558 | POPBLOCK(cx,curpm); | |
2559 | LEAVE; | |
2560 | } | |
ff0cee69 | 2561 | |
f86702cc | 2562 | Siglongjmp(top_env, 2); |
2563 | } |