Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
1a30305b | 3 | * Copyright (c) 1987-1996 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 | ||
6e72f9df | 201 | /* We must account for everything. First the syntax tree. */ |
202 | if (main_root) { | |
203 | curpad = AvARRAY(comppad); | |
204 | op_free(main_root); | |
205 | main_root = 0; | |
a0d0e21e LW |
206 | } |
207 | if (sv_objcount) { | |
208 | /* | |
209 | * Try to destruct global references. We do this first so that the | |
210 | * destructors and destructees still exist. Some sv's might remain. | |
211 | * Non-referenced objects are on their own. | |
212 | */ | |
213 | ||
214 | dirty = TRUE; | |
215 | sv_clean_objs(); | |
8990e307 LW |
216 | } |
217 | ||
a0d0e21e | 218 | if (destruct_level == 0){ |
8990e307 | 219 | |
a0d0e21e LW |
220 | DEBUG_P(debprofdump()); |
221 | ||
222 | /* The exit() function will do everything that needs doing. */ | |
223 | return; | |
224 | } | |
5dd60ef7 | 225 | |
5f05dabc | 226 | /* loosen bonds of global variables */ |
227 | ||
8ebc5c01 | 228 | if(rsfp) { |
229 | (void)PerlIO_close(rsfp); | |
230 | rsfp = Nullfp; | |
231 | } | |
232 | ||
233 | /* Filters for program text */ | |
234 | SvREFCNT_dec(rsfp_filters); | |
235 | rsfp_filters = Nullav; | |
236 | ||
237 | /* switches */ | |
238 | preprocess = FALSE; | |
239 | minus_n = FALSE; | |
240 | minus_p = FALSE; | |
241 | minus_l = FALSE; | |
242 | minus_a = FALSE; | |
243 | minus_F = FALSE; | |
244 | doswitches = FALSE; | |
245 | dowarn = FALSE; | |
246 | doextract = FALSE; | |
247 | sawampersand = FALSE; /* must save all match strings */ | |
248 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
249 | sawvec = FALSE; | |
250 | unsafe = FALSE; | |
251 | ||
252 | Safefree(inplace); | |
253 | inplace = Nullch; | |
254 | ||
255 | Safefree(e_tmpname); | |
256 | e_tmpname = Nullch; | |
257 | ||
258 | if (e_fp) { | |
259 | PerlIO_close(e_fp); | |
260 | e_fp = Nullfp; | |
261 | } | |
262 | ||
263 | /* magical thingies */ | |
264 | ||
265 | Safefree(ofs); /* $, */ | |
266 | ofs = Nullch; | |
5f05dabc | 267 | |
8ebc5c01 | 268 | Safefree(ors); /* $\ */ |
269 | ors = Nullch; | |
270 | ||
271 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 272 | nrs = Nullsv; |
273 | ||
8ebc5c01 | 274 | multiline = 0; /* $* */ |
5f05dabc | 275 | |
8ebc5c01 | 276 | SvREFCNT_dec(statname); |
5f05dabc | 277 | statname = Nullsv; |
278 | statgv = Nullgv; | |
5f05dabc | 279 | |
8ebc5c01 | 280 | /* defgv, aka *_ should be taken care of elsewhere */ |
281 | ||
282 | #if 0 /* just about all regexp stuff, seems to be ok */ | |
283 | ||
284 | /* shortcuts to regexp stuff */ | |
285 | leftgv = Nullgv; | |
286 | ampergv = Nullgv; | |
287 | ||
288 | SAVEFREEOP(curpm); | |
289 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ | |
290 | ||
291 | regprecomp = NULL; /* uncompiled string. */ | |
292 | regparse = NULL; /* Input-scan pointer. */ | |
293 | regxend = NULL; /* End of input for compile */ | |
294 | regnpar = 0; /* () count. */ | |
295 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ | |
296 | regsize = 0; /* Code size. */ | |
297 | regnaughty = 0; /* How bad is this pattern? */ | |
298 | regsawback = 0; /* Did we see \1, ...? */ | |
299 | ||
300 | reginput = NULL; /* String-input pointer. */ | |
301 | regbol = NULL; /* Beginning of input, for ^ check. */ | |
302 | regeol = NULL; /* End of input, for $ check. */ | |
303 | regstartp = (char **)NULL; /* Pointer to startp array. */ | |
304 | regendp = (char **)NULL; /* Ditto for endp. */ | |
305 | reglastparen = 0; /* Similarly for lastparen. */ | |
306 | regtill = NULL; /* How far we are required to go. */ | |
307 | regflags = 0; /* are we folding, multilining? */ | |
308 | regprev = (char)NULL; /* char before regbol, \n if none */ | |
309 | ||
310 | #endif /* if 0 */ | |
311 | ||
312 | /* clean up after study() */ | |
313 | SvREFCNT_dec(lastscream); | |
314 | lastscream = Nullsv; | |
315 | Safefree(screamfirst); | |
316 | screamfirst = 0; | |
317 | Safefree(screamnext); | |
318 | screamnext = 0; | |
319 | ||
320 | /* startup and shutdown function lists */ | |
321 | SvREFCNT_dec(beginav); | |
322 | SvREFCNT_dec(endav); | |
5618dfe8 | 323 | beginav = Nullav; |
5618dfe8 CS |
324 | endav = Nullav; |
325 | ||
8ebc5c01 | 326 | /* temp stack during pp_sort() */ |
327 | SvREFCNT_dec(sortstack); | |
328 | sortstack = Nullav; | |
329 | ||
330 | /* shortcuts just get cleared */ | |
331 | envgv = Nullgv; | |
332 | siggv = Nullgv; | |
333 | incgv = Nullgv; | |
334 | errgv = Nullgv; | |
335 | argvgv = Nullgv; | |
336 | argvoutgv = Nullgv; | |
337 | stdingv = Nullgv; | |
338 | last_in_gv = Nullgv; | |
339 | ||
340 | /* reset so print() ends up where we expect */ | |
341 | setdefout(Nullgv); | |
342 | ||
a0d0e21e | 343 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 344 | |
a0d0e21e | 345 | hv = defstash; |
85e6fe83 | 346 | defstash = 0; |
a0d0e21e LW |
347 | SvREFCNT_dec(hv); |
348 | ||
349 | FREETMPS; | |
350 | if (destruct_level >= 2) { | |
351 | if (scopestack_ix != 0) | |
352 | warn("Unbalanced scopes: %d more ENTERs than LEAVEs\n", scopestack_ix); | |
353 | if (savestack_ix != 0) | |
354 | warn("Unbalanced saves: %d more saves than restores\n", savestack_ix); | |
355 | if (tmps_floor != -1) | |
356 | warn("Unbalanced tmps: %d more allocs than frees\n", tmps_floor + 1); | |
357 | if (cxstack_ix != -1) | |
358 | warn("Unbalanced context: %d more PUSHes than POPs\n", cxstack_ix + 1); | |
359 | } | |
8990e307 LW |
360 | |
361 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 362 | last_sv_count = 0; |
6e72f9df | 363 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
364 | while (sv_count != 0 && sv_count != last_sv_count) { |
365 | last_sv_count = sv_count; | |
366 | sv_clean_all(); | |
367 | } | |
6e72f9df | 368 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
369 | SvFLAGS(strtab) |= SVt_PVHV; | |
370 | ||
371 | /* Destruct the global string table. */ | |
372 | { | |
373 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
374 | * so that sv_free() won't fail on them. | |
375 | */ | |
376 | I32 riter; | |
377 | I32 max; | |
378 | HE *hent; | |
379 | HE **array; | |
380 | ||
381 | riter = 0; | |
382 | max = HvMAX(strtab); | |
383 | array = HvARRAY(strtab); | |
384 | hent = array[0]; | |
385 | for (;;) { | |
386 | if (hent) { | |
387 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
388 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
389 | HeVAL(hent) = Nullsv; | |
390 | hent = HeNEXT(hent); | |
391 | } | |
392 | if (!hent) { | |
393 | if (++riter > max) | |
394 | break; | |
395 | hent = array[riter]; | |
396 | } | |
397 | } | |
398 | } | |
399 | SvREFCNT_dec(strtab); | |
400 | ||
8990e307 LW |
401 | if (sv_count != 0) |
402 | warn("Scalars leaked: %d\n", sv_count); | |
6e72f9df | 403 | |
4633a7c4 | 404 | sv_free_arenas(); |
44a8e56a | 405 | |
406 | /* No SVs have survived, need to clean out */ | |
407 | linestr = NULL; | |
408 | pidstatus = Nullhv; | |
6e72f9df | 409 | if (origfilename) |
410 | Safefree(origfilename); | |
411 | nuke_stacks(); | |
412 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ | |
413 | ||
a0d0e21e | 414 | DEBUG_P(debprofdump()); |
79072805 LW |
415 | } |
416 | ||
417 | void | |
418 | perl_free(sv_interp) | |
93a17b20 | 419 | PerlInterpreter *sv_interp; |
79072805 LW |
420 | { |
421 | if (!(curinterp = sv_interp)) | |
422 | return; | |
423 | Safefree(sv_interp); | |
424 | } | |
ecfc5424 | 425 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
a0d0e21e LW |
426 | char *getenv _((char *)); /* Usually in <stdlib.h> */ |
427 | #endif | |
79072805 LW |
428 | |
429 | int | |
a0d0e21e | 430 | perl_parse(sv_interp, xsinit, argc, argv, env) |
93a17b20 | 431 | PerlInterpreter *sv_interp; |
a0d0e21e LW |
432 | void (*xsinit)_((void)); |
433 | int argc; | |
434 | char **argv; | |
79072805 | 435 | char **env; |
8d063cd8 | 436 | { |
79072805 | 437 | register SV *sv; |
8d063cd8 | 438 | register char *s; |
1a30305b | 439 | char *scriptname = NULL; |
a0d0e21e | 440 | VOL bool dosearch = FALSE; |
13281fa4 | 441 | char *validarg = ""; |
748a9306 | 442 | AV* comppadlist; |
8d063cd8 | 443 | |
a687059c LW |
444 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
445 | #ifdef IAMSUID | |
446 | #undef IAMSUID | |
463ee0b2 | 447 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
448 | setuid perl scripts securely.\n"); |
449 | #endif | |
450 | #endif | |
451 | ||
79072805 LW |
452 | if (!(curinterp = sv_interp)) |
453 | return 255; | |
454 | ||
6e72f9df | 455 | #if defined(NeXT) && defined(__DYNAMIC__) |
456 | _dyld_lookup_and_bind | |
457 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
458 | #endif /* environ */ | |
459 | ||
ac58e20f LW |
460 | origargv = argv; |
461 | origargc = argc; | |
a0d0e21e | 462 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 463 | origenviron = environ; |
a0d0e21e | 464 | #endif |
ab821d7f | 465 | e_tmpname = Nullch; |
a0d0e21e LW |
466 | |
467 | if (do_undump) { | |
468 | ||
469 | /* Come here if running an undumped a.out. */ | |
470 | ||
471 | origfilename = savepv(argv[0]); | |
472 | do_undump = FALSE; | |
473 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 474 | init_ids(); |
a0d0e21e LW |
475 | init_postdump_symbols(argc,argv,env); |
476 | return 0; | |
477 | } | |
478 | ||
4fdae800 | 479 | SvREFCNT_dec(main_cv); |
a0d0e21e LW |
480 | if (main_root) |
481 | op_free(main_root); | |
4fdae800 | 482 | main_cv = 0; |
483 | main_start = main_root = 0; | |
79072805 | 484 | |
f86702cc | 485 | time(&basetime); |
486 | ||
a5f75d66 | 487 | switch (Sigsetjmp(top_env,1)) { |
79072805 | 488 | case 1: |
f86702cc | 489 | STATUS_ALL_FAILURE; |
490 | /* FALL THROUGH */ | |
79072805 | 491 | case 2: |
f86702cc | 492 | /* my_exit() was called */ |
8990e307 LW |
493 | curstash = defstash; |
494 | if (endav) | |
495 | calllist(endav); | |
f86702cc | 496 | return STATUS_NATIVE_EXPORT; |
79072805 | 497 | case 3: |
760ac839 | 498 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 499 | return 1; |
79072805 LW |
500 | } |
501 | ||
79072805 LW |
502 | sv_setpvn(linestr,"",0); |
503 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 504 | SAVEFREESV(sv); |
79072805 | 505 | init_main_stash(); |
33b78306 | 506 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
507 | if (argv[0][0] != '-' || !argv[0][1]) |
508 | break; | |
13281fa4 LW |
509 | #ifdef DOSUID |
510 | if (*validarg) | |
511 | validarg = " PHOOEY "; | |
512 | else | |
513 | validarg = argv[0]; | |
514 | #endif | |
515 | s = argv[0]+1; | |
8d063cd8 | 516 | reswitch: |
13281fa4 | 517 | switch (*s) { |
27e2fb84 | 518 | case '0': |
2304df62 | 519 | case 'F': |
378cc40b | 520 | case 'a': |
33b78306 | 521 | case 'c': |
a687059c | 522 | case 'd': |
8d063cd8 | 523 | case 'D': |
4633a7c4 | 524 | case 'h': |
33b78306 | 525 | case 'i': |
fe14fcc3 | 526 | case 'l': |
1a30305b | 527 | case 'M': |
528 | case 'm': | |
33b78306 LW |
529 | case 'n': |
530 | case 'p': | |
79072805 | 531 | case 's': |
33b78306 LW |
532 | case 'u': |
533 | case 'U': | |
534 | case 'v': | |
535 | case 'w': | |
536 | if (s = moreswitches(s)) | |
537 | goto reswitch; | |
8d063cd8 | 538 | break; |
33b78306 | 539 | |
f86702cc | 540 | case 'T': |
541 | tainting = TRUE; | |
542 | s++; | |
543 | goto reswitch; | |
544 | ||
8d063cd8 | 545 | case 'e': |
a687059c | 546 | if (euid != uid || egid != gid) |
463ee0b2 | 547 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 548 | if (!e_fp) { |
a0d0e21e | 549 | e_tmpname = savepv(TMPPATH); |
a687059c | 550 | (void)mktemp(e_tmpname); |
83025b21 | 551 | if (!*e_tmpname) |
463ee0b2 | 552 | croak("Can't mktemp()"); |
760ac839 | 553 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 554 | if (!e_fp) |
463ee0b2 | 555 | croak("Cannot open temporary file"); |
8d063cd8 | 556 | } |
552a7a9b | 557 | if (*++s) |
558 | PerlIO_puts(e_fp,s); | |
559 | else if (argv[1]) { | |
760ac839 | 560 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
561 | argc--,argv++; |
562 | } | |
552a7a9b | 563 | else |
564 | croak("No code specified for -e"); | |
760ac839 | 565 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 LW |
566 | break; |
567 | case 'I': | |
bbce6d69 | 568 | forbid_setid("-I"); |
79072805 LW |
569 | sv_catpv(sv,"-"); |
570 | sv_catpv(sv,s); | |
571 | sv_catpv(sv," "); | |
a687059c | 572 | if (*++s) { |
774d564b | 573 | incpush(s, TRUE); |
378cc40b | 574 | } |
33b78306 | 575 | else if (argv[1]) { |
774d564b | 576 | incpush(argv[1], TRUE); |
79072805 | 577 | sv_catpv(sv,argv[1]); |
8d063cd8 | 578 | argc--,argv++; |
79072805 | 579 | sv_catpv(sv," "); |
8d063cd8 LW |
580 | } |
581 | break; | |
8d063cd8 | 582 | case 'P': |
bbce6d69 | 583 | forbid_setid("-P"); |
8d063cd8 | 584 | preprocess = TRUE; |
13281fa4 | 585 | s++; |
8d063cd8 | 586 | goto reswitch; |
378cc40b | 587 | case 'S': |
bbce6d69 | 588 | forbid_setid("-S"); |
378cc40b | 589 | dosearch = TRUE; |
13281fa4 | 590 | s++; |
378cc40b | 591 | goto reswitch; |
1a30305b | 592 | case 'V': |
593 | if (!preambleav) | |
594 | preambleav = newAV(); | |
595 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
596 | if (*++s != ':') { | |
6e72f9df | 597 | Sv = newSVpv("print myconfig();",0); |
598 | #ifdef VMS | |
599 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
600 | #else | |
601 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
602 | #endif | |
603 | #if defined(DEBUGGING) || defined(NOEMBED) || defined(MULTIPLICITY) | |
604 | strcpy(buf,"\" Compile-time options:"); | |
605 | # ifdef DEBUGGING | |
606 | strcat(buf," DEBUGGING"); | |
607 | # endif | |
608 | # ifdef NOEMBED | |
609 | strcat(buf," NOEMBED"); | |
610 | # endif | |
611 | # ifdef MULTIPLICITY | |
612 | strcat(buf," MULTIPLICITY"); | |
613 | # endif | |
614 | strcat(buf,"\\n\","); | |
615 | sv_catpv(Sv,buf); | |
616 | #endif | |
617 | #if defined(LOCAL_PATCH_COUNT) | |
618 | if (LOCAL_PATCH_COUNT > 0) | |
619 | { int i; | |
620 | sv_catpv(Sv,"print \" Locally applied patches:\\n\","); | |
621 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
622 | if (localpatches[i]) { | |
623 | sprintf(buf,"\" \\t%s\\n\",",localpatches[i]); | |
624 | sv_catpv(Sv,buf); | |
625 | } | |
626 | } | |
627 | } | |
628 | #endif | |
629 | sprintf(buf,"\" Built under %s\\n\",",OSNAME); | |
630 | sv_catpv(Sv,buf); | |
631 | #ifdef __DATE__ | |
632 | # ifdef __TIME__ | |
633 | sprintf(buf,"\" Compiled at %s %s\\n\"",__DATE__,__TIME__); | |
634 | # else | |
635 | sprintf(buf,"\" Compiled on %s\\n\"",__DATE__); | |
636 | # endif | |
637 | sv_catpv(Sv,buf); | |
638 | #endif | |
639 | sv_catpv(Sv,"; $\"=\"\\n \"; print \" \\@INC:\\n @INC\\n\""); | |
1a30305b | 640 | } |
641 | else { | |
642 | Sv = newSVpv("config_vars(qw(",0); | |
643 | sv_catpv(Sv, ++s); | |
644 | sv_catpv(Sv, "))"); | |
645 | s += strlen(s); | |
646 | } | |
647 | av_push(preambleav, Sv); | |
c07a80fd | 648 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 649 | goto reswitch; |
33b78306 LW |
650 | case 'x': |
651 | doextract = TRUE; | |
13281fa4 | 652 | s++; |
33b78306 | 653 | if (*s) |
a0d0e21e | 654 | cddir = savepv(s); |
33b78306 | 655 | break; |
8d063cd8 LW |
656 | case '-': |
657 | argc--,argv++; | |
658 | goto switch_end; | |
659 | case 0: | |
660 | break; | |
661 | default: | |
463ee0b2 | 662 | croak("Unrecognized switch: -%s",s); |
8d063cd8 LW |
663 | } |
664 | } | |
665 | switch_end: | |
1a30305b | 666 | if (!scriptname) |
667 | scriptname = argv[0]; | |
8d063cd8 | 668 | if (e_fp) { |
760ac839 | 669 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) |
2304df62 | 670 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
ab821d7f | 671 | e_fp = Nullfp; |
8d063cd8 | 672 | argc++,argv--; |
45d8adaa | 673 | scriptname = e_tmpname; |
8d063cd8 | 674 | } |
79072805 LW |
675 | else if (scriptname == Nullch) { |
676 | #ifdef MSDOS | |
760ac839 | 677 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 678 | moreswitches("h"); |
fe14fcc3 | 679 | #endif |
79072805 LW |
680 | scriptname = "-"; |
681 | } | |
fe14fcc3 | 682 | |
79072805 | 683 | init_perllib(); |
8d063cd8 | 684 | |
79072805 | 685 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 686 | |
96436eeb | 687 | validate_suid(validarg, scriptname); |
378cc40b | 688 | |
79072805 LW |
689 | if (doextract) |
690 | find_beginning(); | |
691 | ||
4fdae800 | 692 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 693 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 694 | CvUNIQUE_on(compcv); |
748a9306 | 695 | |
6e72f9df | 696 | comppad = newAV(); |
79072805 LW |
697 | av_push(comppad, Nullsv); |
698 | curpad = AvARRAY(comppad); | |
6e72f9df | 699 | comppad_name = newAV(); |
8990e307 LW |
700 | comppad_name_fill = 0; |
701 | min_intro_pending = 0; | |
79072805 LW |
702 | padix = 0; |
703 | ||
748a9306 LW |
704 | comppadlist = newAV(); |
705 | AvREAL_off(comppadlist); | |
8e07c86e AD |
706 | av_store(comppadlist, 0, (SV*)comppad_name); |
707 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
708 | CvPADLIST(compcv) = comppadlist; |
709 | ||
6e72f9df | 710 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
711 | if (xsinit) |
712 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
748a9306 LW |
713 | #ifdef VMS |
714 | init_os_extras(); | |
715 | #endif | |
93a17b20 | 716 | |
93a17b20 | 717 | init_predump_symbols(); |
8990e307 LW |
718 | if (!do_undump) |
719 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 720 | |
79072805 LW |
721 | init_lexer(); |
722 | ||
723 | /* now parse the script */ | |
724 | ||
725 | error_count = 0; | |
726 | if (yyparse() || error_count) { | |
727 | if (minus_c) | |
463ee0b2 | 728 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 729 | else { |
463ee0b2 | 730 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 731 | origfilename); |
378cc40b | 732 | } |
79072805 LW |
733 | } |
734 | curcop->cop_line = 0; | |
735 | curstash = defstash; | |
736 | preprocess = FALSE; | |
ab821d7f | 737 | if (e_tmpname) { |
79072805 | 738 | (void)UNLINK(e_tmpname); |
ab821d7f | 739 | Safefree(e_tmpname); |
740 | e_tmpname = Nullch; | |
378cc40b | 741 | } |
a687059c | 742 | |
93a17b20 | 743 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 744 | SvREFCNT_dec(rs); |
745 | rs = SvREFCNT_inc(nrs); | |
746 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); | |
45d8adaa | 747 | |
79072805 LW |
748 | if (do_undump) |
749 | my_unexec(); | |
750 | ||
8990e307 LW |
751 | if (dowarn) |
752 | gv_check(defstash); | |
753 | ||
a0d0e21e LW |
754 | LEAVE; |
755 | FREETMPS; | |
c07a80fd | 756 | |
757 | #ifdef DEBUGGING_MSTATS | |
758 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
759 | dump_mstats("after compilation:"); | |
760 | #endif | |
761 | ||
a0d0e21e LW |
762 | ENTER; |
763 | restartop = 0; | |
79072805 LW |
764 | return 0; |
765 | } | |
766 | ||
767 | int | |
768 | perl_run(sv_interp) | |
93a17b20 | 769 | PerlInterpreter *sv_interp; |
79072805 LW |
770 | { |
771 | if (!(curinterp = sv_interp)) | |
772 | return 255; | |
a5f75d66 | 773 | switch (Sigsetjmp(top_env,1)) { |
79072805 LW |
774 | case 1: |
775 | cxstack_ix = -1; /* start context stack again */ | |
776 | break; | |
777 | case 2: | |
f86702cc | 778 | /* my_exit() was called */ |
79072805 | 779 | curstash = defstash; |
93a17b20 LW |
780 | if (endav) |
781 | calllist(endav); | |
a0d0e21e | 782 | FREETMPS; |
c07a80fd | 783 | #ifdef DEBUGGING_MSTATS |
784 | if (getenv("PERL_DEBUG_MSTATS")) | |
785 | dump_mstats("after execution: "); | |
786 | #endif | |
f86702cc | 787 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
788 | case 3: |
789 | if (!restartop) { | |
760ac839 | 790 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 791 | FREETMPS; |
8990e307 | 792 | return 1; |
83025b21 | 793 | } |
6e72f9df | 794 | if (curstack != mainstack) { |
79072805 | 795 | dSP; |
6e72f9df | 796 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
797 | } |
798 | break; | |
8d063cd8 | 799 | } |
79072805 | 800 | |
760ac839 | 801 | DEBUG_r(PerlIO_printf(PerlIO_stderr(), "%s $` $& $' support.\n", |
6e72f9df | 802 | sawampersand ? "Enabling" : "Omitting")); |
803 | ||
79072805 LW |
804 | if (!restartop) { |
805 | DEBUG_x(dump_all()); | |
760ac839 | 806 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
79072805 LW |
807 | |
808 | if (minus_c) { | |
760ac839 | 809 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
810 | my_exit(0); |
811 | } | |
a0d0e21e LW |
812 | if (perldb && DBsingle) |
813 | sv_setiv(DBsingle, 1); | |
45d8adaa | 814 | } |
79072805 LW |
815 | |
816 | /* do it */ | |
817 | ||
818 | if (restartop) { | |
819 | op = restartop; | |
820 | restartop = 0; | |
ab821d7f | 821 | runops(); |
79072805 LW |
822 | } |
823 | else if (main_start) { | |
4fdae800 | 824 | CvDEPTH(main_cv) = 1; |
79072805 | 825 | op = main_start; |
ab821d7f | 826 | runops(); |
79072805 | 827 | } |
79072805 LW |
828 | |
829 | my_exit(0); | |
a0d0e21e | 830 | return 0; |
79072805 LW |
831 | } |
832 | ||
a0d0e21e LW |
833 | SV* |
834 | perl_get_sv(name, create) | |
835 | char* name; | |
836 | I32 create; | |
837 | { | |
838 | GV* gv = gv_fetchpv(name, create, SVt_PV); | |
839 | if (gv) | |
840 | return GvSV(gv); | |
841 | return Nullsv; | |
842 | } | |
843 | ||
844 | AV* | |
845 | perl_get_av(name, create) | |
846 | char* name; | |
847 | I32 create; | |
848 | { | |
849 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
850 | if (create) | |
851 | return GvAVn(gv); | |
852 | if (gv) | |
853 | return GvAV(gv); | |
854 | return Nullav; | |
855 | } | |
856 | ||
857 | HV* | |
858 | perl_get_hv(name, create) | |
859 | char* name; | |
860 | I32 create; | |
861 | { | |
862 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
863 | if (create) | |
864 | return GvHVn(gv); | |
865 | if (gv) | |
866 | return GvHV(gv); | |
867 | return Nullhv; | |
868 | } | |
869 | ||
870 | CV* | |
871 | perl_get_cv(name, create) | |
872 | char* name; | |
873 | I32 create; | |
874 | { | |
875 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 876 | if (create && !GvCVu(gv)) |
774d564b | 877 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 878 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 879 | Nullop, |
a0d0e21e LW |
880 | Nullop); |
881 | if (gv) | |
8ebc5c01 | 882 | return GvCVu(gv); |
a0d0e21e LW |
883 | return Nullcv; |
884 | } | |
885 | ||
79072805 LW |
886 | /* Be sure to refetch the stack pointer after calling these routines. */ |
887 | ||
a0d0e21e LW |
888 | I32 |
889 | perl_call_argv(subname, flags, argv) | |
8990e307 | 890 | char *subname; |
a0d0e21e LW |
891 | I32 flags; /* See G_* flags in cop.h */ |
892 | register char **argv; /* null terminated arg list */ | |
8990e307 | 893 | { |
a0d0e21e | 894 | dSP; |
8990e307 | 895 | |
a0d0e21e LW |
896 | PUSHMARK(sp); |
897 | if (argv) { | |
8990e307 | 898 | while (*argv) { |
a0d0e21e | 899 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
900 | argv++; |
901 | } | |
a0d0e21e | 902 | PUTBACK; |
8990e307 | 903 | } |
a0d0e21e | 904 | return perl_call_pv(subname, flags); |
8990e307 LW |
905 | } |
906 | ||
a0d0e21e LW |
907 | I32 |
908 | perl_call_pv(subname, flags) | |
909 | char *subname; /* name of the subroutine */ | |
910 | I32 flags; /* See G_* flags in cop.h */ | |
911 | { | |
912 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
913 | } | |
914 | ||
915 | I32 | |
916 | perl_call_method(methname, flags) | |
917 | char *methname; /* name of the subroutine */ | |
918 | I32 flags; /* See G_* flags in cop.h */ | |
919 | { | |
920 | dSP; | |
921 | OP myop; | |
922 | if (!op) | |
923 | op = &myop; | |
924 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
925 | PUTBACK; | |
926 | pp_method(); | |
927 | return perl_call_sv(*stack_sp--, flags); | |
928 | } | |
929 | ||
930 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
931 | I32 | |
932 | perl_call_sv(sv, flags) | |
933 | SV* sv; | |
934 | I32 flags; /* See G_* flags in cop.h */ | |
935 | { | |
936 | LOGOP myop; /* fake syntax tree node */ | |
937 | SV** sp = stack_sp; | |
938 | I32 oldmark = TOPMARK; | |
939 | I32 retval; | |
a5f75d66 | 940 | Sigjmp_buf oldtop; |
a0d0e21e | 941 | I32 oldscope; |
6e72f9df | 942 | static CV *DBcv; |
a0d0e21e LW |
943 | |
944 | if (flags & G_DISCARD) { | |
945 | ENTER; | |
946 | SAVETMPS; | |
947 | } | |
948 | ||
949 | SAVESPTR(op); | |
950 | op = (OP*)&myop; | |
951 | Zero(op, 1, LOGOP); | |
952 | EXTEND(stack_sp, 1); | |
953 | *++stack_sp = sv; | |
954 | oldscope = scopestack_ix; | |
955 | ||
956 | if (!(flags & G_NOARGS)) | |
957 | myop.op_flags = OPf_STACKED; | |
958 | myop.op_next = Nullop; | |
959 | myop.op_flags |= OPf_KNOW; | |
960 | if (flags & G_ARRAY) | |
961 | myop.op_flags |= OPf_LIST; | |
962 | ||
36477c24 | 963 | if (perldb && curstash != debstash |
964 | /* Handle first BEGIN of -d. */ | |
965 | && (DBcv || (DBcv = GvCV(DBsub))) | |
966 | /* Try harder, since this may have been a sighandler, thus | |
967 | * curstash may be meaningless. */ | |
968 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 969 | op->op_private |= OPpENTERSUB_DB; |
970 | ||
a0d0e21e | 971 | if (flags & G_EVAL) { |
a5f75d66 | 972 | Copy(top_env, oldtop, 1, Sigjmp_buf); |
a0d0e21e LW |
973 | |
974 | cLOGOP->op_other = op; | |
975 | markstack_ptr--; | |
4633a7c4 LW |
976 | /* we're trying to emulate pp_entertry() here */ |
977 | { | |
978 | register CONTEXT *cx; | |
979 | I32 gimme = GIMME; | |
980 | ||
981 | ENTER; | |
982 | SAVETMPS; | |
983 | ||
984 | push_return(op->op_next); | |
985 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
986 | PUSHEVAL(cx, 0, 0); | |
987 | eval_root = op; /* Only needed so that goto works right. */ | |
988 | ||
989 | in_eval = 1; | |
990 | if (flags & G_KEEPERR) | |
991 | in_eval |= 4; | |
992 | else | |
993 | sv_setpv(GvSV(errgv),""); | |
994 | } | |
a0d0e21e LW |
995 | markstack_ptr++; |
996 | ||
997 | restart: | |
a5f75d66 | 998 | switch (Sigsetjmp(top_env,1)) { |
a0d0e21e LW |
999 | case 0: |
1000 | break; | |
1001 | case 1: | |
f86702cc | 1002 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1003 | /* FALL THROUGH */ |
1004 | case 2: | |
1005 | /* my_exit() was called */ | |
1006 | curstash = defstash; | |
1007 | FREETMPS; | |
a5f75d66 | 1008 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
a0d0e21e LW |
1009 | if (statusvalue) |
1010 | croak("Callback called exit"); | |
f86702cc | 1011 | my_exit_jump(); |
a0d0e21e LW |
1012 | /* NOTREACHED */ |
1013 | case 3: | |
1014 | if (restartop) { | |
1015 | op = restartop; | |
1016 | restartop = 0; | |
1017 | goto restart; | |
1018 | } | |
1019 | stack_sp = stack_base + oldmark; | |
1020 | if (flags & G_ARRAY) | |
1021 | retval = 0; | |
1022 | else { | |
1023 | retval = 1; | |
1024 | *++stack_sp = &sv_undef; | |
1025 | } | |
1026 | goto cleanup; | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | if (op == (OP*)&myop) | |
1031 | op = pp_entersub(); | |
1032 | if (op) | |
ab821d7f | 1033 | runops(); |
a0d0e21e | 1034 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 LW |
1035 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
1036 | sv_setpv(GvSV(errgv),""); | |
a0d0e21e LW |
1037 | |
1038 | cleanup: | |
1039 | if (flags & G_EVAL) { | |
1040 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1041 | SV **newsp; |
1042 | PMOP *newpm; | |
1043 | I32 gimme; | |
1044 | register CONTEXT *cx; | |
1045 | I32 optype; | |
1046 | ||
1047 | POPBLOCK(cx,newpm); | |
1048 | POPEVAL(cx); | |
1049 | pop_return(); | |
1050 | curpm = newpm; | |
1051 | LEAVE; | |
a0d0e21e | 1052 | } |
a5f75d66 | 1053 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
a0d0e21e LW |
1054 | } |
1055 | if (flags & G_DISCARD) { | |
1056 | stack_sp = stack_base + oldmark; | |
1057 | retval = 0; | |
1058 | FREETMPS; | |
1059 | LEAVE; | |
1060 | } | |
1061 | return retval; | |
1062 | } | |
1063 | ||
6e72f9df | 1064 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1065 | |
a0d0e21e | 1066 | I32 |
4633a7c4 | 1067 | perl_eval_sv(sv, flags) |
8990e307 | 1068 | SV* sv; |
4633a7c4 | 1069 | I32 flags; /* See G_* flags in cop.h */ |
a0d0e21e LW |
1070 | { |
1071 | UNOP myop; /* fake syntax tree node */ | |
4633a7c4 LW |
1072 | SV** sp = stack_sp; |
1073 | I32 oldmark = sp - stack_base; | |
1074 | I32 retval; | |
a5f75d66 | 1075 | Sigjmp_buf oldtop; |
4633a7c4 | 1076 | I32 oldscope; |
79072805 | 1077 | |
4633a7c4 LW |
1078 | if (flags & G_DISCARD) { |
1079 | ENTER; | |
1080 | SAVETMPS; | |
1081 | } | |
1082 | ||
79072805 | 1083 | SAVESPTR(op); |
79072805 | 1084 | op = (OP*)&myop; |
a0d0e21e | 1085 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1086 | EXTEND(stack_sp, 1); |
1087 | *++stack_sp = sv; | |
1088 | oldscope = scopestack_ix; | |
79072805 | 1089 | |
4633a7c4 LW |
1090 | if (!(flags & G_NOARGS)) |
1091 | myop.op_flags = OPf_STACKED; | |
79072805 | 1092 | myop.op_next = Nullop; |
6e72f9df | 1093 | myop.op_type = OP_ENTEREVAL; |
4633a7c4 | 1094 | myop.op_flags |= OPf_KNOW; |
6e72f9df | 1095 | if (flags & G_KEEPERR) |
1096 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1097 | if (flags & G_ARRAY) |
6e72f9df | 1098 | myop.op_flags |= OPf_LIST; |
79072805 | 1099 | |
a5f75d66 | 1100 | Copy(top_env, oldtop, 1, Sigjmp_buf); |
4633a7c4 LW |
1101 | |
1102 | restart: | |
a5f75d66 | 1103 | switch (Sigsetjmp(top_env,1)) { |
4633a7c4 LW |
1104 | case 0: |
1105 | break; | |
1106 | case 1: | |
f86702cc | 1107 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1108 | /* FALL THROUGH */ |
1109 | case 2: | |
1110 | /* my_exit() was called */ | |
1111 | curstash = defstash; | |
1112 | FREETMPS; | |
a5f75d66 | 1113 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
4633a7c4 LW |
1114 | if (statusvalue) |
1115 | croak("Callback called exit"); | |
f86702cc | 1116 | my_exit_jump(); |
4633a7c4 LW |
1117 | /* NOTREACHED */ |
1118 | case 3: | |
1119 | if (restartop) { | |
1120 | op = restartop; | |
1121 | restartop = 0; | |
1122 | goto restart; | |
1123 | } | |
1124 | stack_sp = stack_base + oldmark; | |
1125 | if (flags & G_ARRAY) | |
1126 | retval = 0; | |
1127 | else { | |
1128 | retval = 1; | |
1129 | *++stack_sp = &sv_undef; | |
1130 | } | |
1131 | goto cleanup; | |
1132 | } | |
1133 | ||
1134 | if (op == (OP*)&myop) | |
1135 | op = pp_entereval(); | |
1136 | if (op) | |
ab821d7f | 1137 | runops(); |
4633a7c4 | 1138 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1139 | if (!(flags & G_KEEPERR)) |
4633a7c4 LW |
1140 | sv_setpv(GvSV(errgv),""); |
1141 | ||
1142 | cleanup: | |
a5f75d66 | 1143 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
4633a7c4 LW |
1144 | if (flags & G_DISCARD) { |
1145 | stack_sp = stack_base + oldmark; | |
1146 | retval = 0; | |
1147 | FREETMPS; | |
1148 | LEAVE; | |
1149 | } | |
1150 | return retval; | |
1151 | } | |
1152 | ||
1153 | /* Require a module. */ | |
1154 | ||
1155 | void | |
1156 | perl_require_pv(pv) | |
1157 | char* pv; | |
1158 | { | |
1159 | SV* sv = sv_newmortal(); | |
1160 | sv_setpv(sv, "require '"); | |
1161 | sv_catpv(sv, pv); | |
1162 | sv_catpv(sv, "'"); | |
1163 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1164 | } |
1165 | ||
79072805 | 1166 | void |
79072805 LW |
1167 | magicname(sym,name,namlen) |
1168 | char *sym; | |
1169 | char *name; | |
1170 | I32 namlen; | |
1171 | { | |
1172 | register GV *gv; | |
1173 | ||
85e6fe83 | 1174 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1175 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1176 | } | |
1177 | ||
ab821d7f | 1178 | static void |
1a30305b | 1179 | usage(name) /* XXX move this out into a module ? */ |
4633a7c4 LW |
1180 | char *name; |
1181 | { | |
ab821d7f | 1182 | /* This message really ought to be max 23 lines. |
1183 | * Removed -h because the user already knows that opton. Others? */ | |
1184 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); | |
4633a7c4 | 1185 | printf("\n -0[octal] specify record separator (\\0, if no argument)"); |
ab821d7f | 1186 | printf("\n -a autosplit mode with -n or -p (splits $_ into @F)"); |
4633a7c4 | 1187 | printf("\n -c check syntax only (runs BEGIN and END blocks)"); |
1a30305b | 1188 | printf("\n -d[:debugger] run scripts under debugger"); |
4633a7c4 | 1189 | printf("\n -D[number/list] set debugging flags (argument is a bit mask or flags)"); |
ab821d7f | 1190 | printf("\n -e 'command' one line of script. Several -e's allowed. Omit [programfile]."); |
1191 | printf("\n -F/pattern/ split() pattern for autosplit (-a). The //'s are optional."); | |
4633a7c4 | 1192 | printf("\n -i[extension] edit <> files in place (make backup if extension supplied)"); |
ab821d7f | 1193 | printf("\n -Idirectory specify @INC/#include directory (may be used more then once)"); |
4633a7c4 | 1194 | printf("\n -l[octal] enable line ending processing, specifies line teminator"); |
ab821d7f | 1195 | printf("\n -[mM][-]module.. executes `use/no module...' before executing your script."); |
4633a7c4 LW |
1196 | printf("\n -n assume 'while (<>) { ... }' loop arround your script"); |
1197 | printf("\n -p assume loop like -n but print line also like sed"); | |
1198 | printf("\n -P run script through C preprocessor before compilation"); | |
4633a7c4 LW |
1199 | printf("\n -s enable some switch parsing for switches after script name"); |
1200 | printf("\n -S look for the script using PATH environment variable"); | |
1201 | printf("\n -T turn on tainting checks"); | |
1202 | printf("\n -u dump core after parsing script"); | |
1203 | printf("\n -U allow unsafe operations"); | |
1204 | printf("\n -v print version number and patchlevel of perl"); | |
1a30305b | 1205 | printf("\n -V[:variable] print perl configuration information"); |
ab821d7f | 1206 | printf("\n -w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT."); |
4633a7c4 LW |
1207 | printf("\n -x[directory] strip off text before #!perl line and perhaps cd to directory\n"); |
1208 | } | |
1209 | ||
79072805 LW |
1210 | /* This routine handles any switches that can be given during run */ |
1211 | ||
1212 | char * | |
1213 | moreswitches(s) | |
1214 | char *s; | |
1215 | { | |
1216 | I32 numlen; | |
c07a80fd | 1217 | U32 rschar; |
79072805 LW |
1218 | |
1219 | switch (*s) { | |
1220 | case '0': | |
c07a80fd | 1221 | rschar = scan_oct(s, 4, &numlen); |
1222 | SvREFCNT_dec(nrs); | |
1223 | if (rschar & ~((U8)~0)) | |
1224 | nrs = &sv_undef; | |
1225 | else if (!rschar && numlen >= 2) | |
1226 | nrs = newSVpv("", 0); | |
1227 | else { | |
1228 | char ch = rschar; | |
1229 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1230 | } |
1231 | return s + numlen; | |
2304df62 AD |
1232 | case 'F': |
1233 | minus_F = TRUE; | |
a0d0e21e | 1234 | splitstr = savepv(s + 1); |
2304df62 AD |
1235 | s += strlen(s); |
1236 | return s; | |
79072805 LW |
1237 | case 'a': |
1238 | minus_a = TRUE; | |
1239 | s++; | |
1240 | return s; | |
1241 | case 'c': | |
1242 | minus_c = TRUE; | |
1243 | s++; | |
1244 | return s; | |
1245 | case 'd': | |
bbce6d69 | 1246 | forbid_setid("-d"); |
4633a7c4 | 1247 | s++; |
c07a80fd | 1248 | if (*s == ':' || *s == '=') { |
4633a7c4 LW |
1249 | sprintf(buf, "use Devel::%s;", ++s); |
1250 | s += strlen(s); | |
1251 | my_setenv("PERL5DB",buf); | |
1252 | } | |
a0d0e21e LW |
1253 | if (!perldb) { |
1254 | perldb = TRUE; | |
1255 | init_debugger(); | |
1256 | } | |
79072805 LW |
1257 | return s; |
1258 | case 'D': | |
1259 | #ifdef DEBUGGING | |
bbce6d69 | 1260 | forbid_setid("-D"); |
79072805 | 1261 | if (isALPHA(s[1])) { |
8990e307 | 1262 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1263 | char *d; |
1264 | ||
93a17b20 | 1265 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1266 | debug |= 1 << (d - debopts); |
1267 | } | |
1268 | else { | |
1269 | debug = atoi(s+1); | |
1270 | for (s++; isDIGIT(*s); s++) ; | |
1271 | } | |
8990e307 | 1272 | debug |= 0x80000000; |
79072805 LW |
1273 | #else |
1274 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1275 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1276 | #endif |
1277 | /*SUPPRESS 530*/ | |
1278 | return s; | |
4633a7c4 LW |
1279 | case 'h': |
1280 | usage(origargv[0]); | |
1281 | exit(0); | |
79072805 LW |
1282 | case 'i': |
1283 | if (inplace) | |
1284 | Safefree(inplace); | |
a0d0e21e | 1285 | inplace = savepv(s+1); |
79072805 LW |
1286 | /*SUPPRESS 530*/ |
1287 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
1288 | *s = '\0'; | |
1289 | break; | |
1290 | case 'I': | |
bbce6d69 | 1291 | forbid_setid("-I"); |
79072805 | 1292 | if (*++s) { |
774d564b | 1293 | char *e, *p; |
748a9306 | 1294 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1295 | p = savepvn(s, e-s); |
1296 | incpush(p, TRUE); | |
1297 | Safefree(p); | |
748a9306 LW |
1298 | if (*e) |
1299 | return e; | |
79072805 LW |
1300 | } |
1301 | else | |
463ee0b2 | 1302 | croak("No space allowed after -I"); |
79072805 LW |
1303 | break; |
1304 | case 'l': | |
1305 | minus_l = TRUE; | |
1306 | s++; | |
a0d0e21e LW |
1307 | if (ors) |
1308 | Safefree(ors); | |
79072805 | 1309 | if (isDIGIT(*s)) { |
a0d0e21e | 1310 | ors = savepv("\n"); |
79072805 LW |
1311 | orslen = 1; |
1312 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1313 | s += numlen; | |
1314 | } | |
1315 | else { | |
c07a80fd | 1316 | if (RsPARA(nrs)) { |
6e72f9df | 1317 | ors = "\n\n"; |
c07a80fd | 1318 | orslen = 2; |
1319 | } | |
1320 | else | |
1321 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1322 | ors = savepvn(ors, orslen); |
79072805 LW |
1323 | } |
1324 | return s; | |
1a30305b | 1325 | case 'M': |
bbce6d69 | 1326 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1327 | /* FALL THROUGH */ |
1328 | case 'm': | |
bbce6d69 | 1329 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1330 | if (*++s) { |
a5f75d66 AD |
1331 | char *start; |
1332 | char *use = "use "; | |
1333 | /* -M-foo == 'no foo' */ | |
1334 | if (*s == '-') { use = "no "; ++s; } | |
1335 | Sv = newSVpv(use,0); | |
1336 | start = s; | |
1a30305b | 1337 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1338 | while(isALNUM(*s) || *s==':') ++s; |
1339 | if (*s != '=') { | |
1340 | sv_catpv(Sv, start); | |
1341 | if (*(start-1) == 'm') { | |
1342 | if (*s != '\0') | |
1343 | croak("Can't use '%c' after -mname", *s); | |
1344 | sv_catpv( Sv, " ()"); | |
1345 | } | |
1346 | } else { | |
1347 | sv_catpvn(Sv, start, s-start); | |
a5f75d66 | 1348 | sv_catpv(Sv, " split(/,/,q{"); |
c07a80fd | 1349 | sv_catpv(Sv, ++s); |
a5f75d66 | 1350 | sv_catpv(Sv, "})"); |
c07a80fd | 1351 | } |
1a30305b | 1352 | s += strlen(s); |
c07a80fd | 1353 | if (preambleav == NULL) |
1354 | preambleav = newAV(); | |
1355 | av_push(preambleav, Sv); | |
1a30305b | 1356 | } |
1357 | else | |
1358 | croak("No space allowed after -%c", *(s-1)); | |
1359 | return s; | |
79072805 LW |
1360 | case 'n': |
1361 | minus_n = TRUE; | |
1362 | s++; | |
1363 | return s; | |
1364 | case 'p': | |
1365 | minus_p = TRUE; | |
1366 | s++; | |
1367 | return s; | |
1368 | case 's': | |
bbce6d69 | 1369 | forbid_setid("-s"); |
79072805 LW |
1370 | doswitches = TRUE; |
1371 | s++; | |
1372 | return s; | |
463ee0b2 | 1373 | case 'T': |
f86702cc | 1374 | if (!tainting) |
1375 | croak("Too late for \"-T\" option (try putting it first)"); | |
463ee0b2 LW |
1376 | s++; |
1377 | return s; | |
79072805 LW |
1378 | case 'u': |
1379 | do_undump = TRUE; | |
1380 | s++; | |
1381 | return s; | |
1382 | case 'U': | |
1383 | unsafe = TRUE; | |
1384 | s++; | |
1385 | return s; | |
1386 | case 'v': | |
a5f75d66 AD |
1387 | #if defined(SUBVERSION) && SUBVERSION > 0 |
1388 | printf("\nThis is perl, version 5.%03d_%02d", PATCHLEVEL, SUBVERSION); | |
1389 | #else | |
1390 | printf("\nThis is perl, version %s",patchlevel); | |
1391 | #endif | |
1a30305b | 1392 | |
44a8e56a | 1393 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1394 | #ifdef MSDOS |
55497cff | 1395 | printf("\n\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
1396 | #endif | |
1397 | #ifdef DJGPP | |
1398 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4633a7c4 | 1399 | #endif |
79072805 | 1400 | #ifdef OS2 |
5dd60ef7 | 1401 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
760ac839 | 1402 | "Version 5 port Copyright (c) 1994-1996, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1403 | #endif |
79072805 | 1404 | #ifdef atarist |
760ac839 | 1405 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1406 | #endif |
760ac839 | 1407 | printf("\n\ |
79072805 | 1408 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1409 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 LW |
1410 | exit(0); |
1411 | case 'w': | |
1412 | dowarn = TRUE; | |
1413 | s++; | |
1414 | return s; | |
a0d0e21e | 1415 | case '*': |
79072805 LW |
1416 | case ' ': |
1417 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1418 | return s+2; | |
1419 | break; | |
a0d0e21e | 1420 | case '-': |
79072805 LW |
1421 | case 0: |
1422 | case '\n': | |
1423 | case '\t': | |
1424 | break; | |
a0d0e21e LW |
1425 | case 'P': |
1426 | if (preprocess) | |
1427 | return s+1; | |
1428 | /* FALL THROUGH */ | |
79072805 | 1429 | default: |
a0d0e21e | 1430 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1431 | } |
1432 | return Nullch; | |
1433 | } | |
1434 | ||
1435 | /* compliments of Tom Christiansen */ | |
1436 | ||
1437 | /* unexec() can be found in the Gnu emacs distribution */ | |
1438 | ||
1439 | void | |
1440 | my_unexec() | |
1441 | { | |
1442 | #ifdef UNEXEC | |
1443 | int status; | |
1444 | extern int etext; | |
1445 | ||
1446 | sprintf (buf, "%s.perldump", origfilename); | |
1447 | sprintf (tokenbuf, "%s/perl", BIN); | |
1448 | ||
1449 | status = unexec(buf, tokenbuf, &etext, sbrk(0), 0); | |
1450 | if (status) | |
760ac839 | 1451 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", tokenbuf, buf); |
a0d0e21e | 1452 | exit(status); |
79072805 | 1453 | #else |
a5f75d66 AD |
1454 | # ifdef VMS |
1455 | # include <lib$routines.h> | |
1456 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
1457 | #else | |
79072805 LW |
1458 | ABORT(); /* for use with undump */ |
1459 | #endif | |
a5f75d66 | 1460 | #endif |
79072805 LW |
1461 | } |
1462 | ||
1463 | static void | |
1464 | init_main_stash() | |
1465 | { | |
463ee0b2 | 1466 | GV *gv; |
6e72f9df | 1467 | |
1468 | /* Note that strtab is a rather special HV. Assumptions are made | |
1469 | about not iterating on it, and not adding tie magic to it. | |
1470 | It is properly deallocated in perl_destruct() */ | |
1471 | strtab = newHV(); | |
1472 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1473 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1474 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1475 | ||
463ee0b2 | 1476 | curstash = defstash = newHV(); |
79072805 | 1477 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1478 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1479 | SvREFCNT_dec(GvHV(gv)); | |
1480 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1481 | SvREADONLY_on(gv); |
a0d0e21e | 1482 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1483 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1484 | GvMULTI_on(incgv); |
a0d0e21e | 1485 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
4633a7c4 | 1486 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
a5f75d66 | 1487 | GvMULTI_on(errgv); |
552a7a9b | 1488 | sv_setpvn(GvSV(errgv), "", 0); |
8990e307 LW |
1489 | curstash = defstash; |
1490 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1491 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1492 | /* We must init $/ before switches are processed. */ |
1493 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1494 | } |
1495 | ||
a0d0e21e LW |
1496 | #ifdef CAN_PROTOTYPE |
1497 | static void | |
1498 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1499 | #else | |
79072805 LW |
1500 | static void |
1501 | open_script(scriptname,dosearch,sv) | |
1502 | char *scriptname; | |
1503 | bool dosearch; | |
1504 | SV *sv; | |
a0d0e21e | 1505 | #endif |
79072805 LW |
1506 | { |
1507 | char *xfound = Nullch; | |
1508 | char *xfailed = Nullch; | |
1509 | register char *s; | |
1510 | I32 len; | |
a38d6535 LW |
1511 | int retval; |
1512 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
1513 | #define SEARCH_EXTS ".bat", ".cmd", NULL | |
1514 | #endif | |
ab821d7f | 1515 | #ifdef VMS |
1516 | # define SEARCH_EXTS ".pl", ".com", NULL | |
1517 | #endif | |
a38d6535 LW |
1518 | /* additional extensions to try in each dir if scriptname not found */ |
1519 | #ifdef SEARCH_EXTS | |
1520 | char *ext[] = { SEARCH_EXTS }; | |
1521 | int extidx = (strchr(scriptname,'.')) ? -1 : 0; /* has ext already */ | |
1522 | #endif | |
79072805 | 1523 | |
c07a80fd | 1524 | #ifdef VMS |
6e72f9df | 1525 | if (dosearch) { |
1526 | int hasdir, idx = 0, deftypes = 1; | |
1527 | ||
1528 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1529 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1530 | * already have, so we can check for default file types. */ | |
1531 | while (deftypes || (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) { | |
1532 | if (deftypes) { deftypes = 0; *tokenbuf = '\0'; } | |
c07a80fd | 1533 | strcat(tokenbuf,scriptname); |
1534 | #else /* !VMS */ | |
93a17b20 | 1535 | if (dosearch && !strchr(scriptname, '/') && (s = getenv("PATH"))) { |
79072805 LW |
1536 | |
1537 | bufend = s + strlen(s); | |
1538 | while (*s) { | |
1539 | #ifndef DOSISH | |
1540 | s = cpytill(tokenbuf,s,bufend,':',&len); | |
1541 | #else | |
1542 | #ifdef atarist | |
1543 | for (len = 0; *s && *s != ',' && *s != ';'; tokenbuf[len++] = *s++); | |
1544 | tokenbuf[len] = '\0'; | |
1545 | #else | |
1546 | for (len = 0; *s && *s != ';'; tokenbuf[len++] = *s++); | |
1547 | tokenbuf[len] = '\0'; | |
1548 | #endif | |
1549 | #endif | |
1550 | if (*s) | |
1551 | s++; | |
1552 | #ifndef DOSISH | |
1553 | if (len && tokenbuf[len-1] != '/') | |
1554 | #else | |
1555 | #ifdef atarist | |
1556 | if (len && ((tokenbuf[len-1] != '\\') && (tokenbuf[len-1] != '/'))) | |
1557 | #else | |
1558 | if (len && tokenbuf[len-1] != '\\') | |
1559 | #endif | |
1560 | #endif | |
1561 | (void)strcat(tokenbuf+len,"/"); | |
1562 | (void)strcat(tokenbuf+len,scriptname); | |
c07a80fd | 1563 | #endif /* !VMS */ |
a38d6535 LW |
1564 | |
1565 | #ifdef SEARCH_EXTS | |
1566 | len = strlen(tokenbuf); | |
1567 | if (extidx > 0) /* reset after previous loop */ | |
1568 | extidx = 0; | |
1569 | do { | |
1570 | #endif | |
760ac839 | 1571 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1572 | retval = Stat(tokenbuf,&statbuf); |
1573 | #ifdef SEARCH_EXTS | |
1574 | } while ( retval < 0 /* not there */ | |
1575 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1576 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1577 | ); | |
1578 | #endif | |
1579 | if (retval < 0) | |
79072805 LW |
1580 | continue; |
1581 | if (S_ISREG(statbuf.st_mode) | |
1582 | && cando(S_IRUSR,TRUE,&statbuf) && cando(S_IXUSR,TRUE,&statbuf)) { | |
1583 | xfound = tokenbuf; /* bingo! */ | |
1584 | break; | |
1585 | } | |
1586 | if (!xfailed) | |
a0d0e21e | 1587 | xfailed = savepv(tokenbuf); |
79072805 LW |
1588 | } |
1589 | if (!xfound) | |
463ee0b2 | 1590 | croak("Can't execute %s", xfailed ? xfailed : scriptname ); |
79072805 LW |
1591 | if (xfailed) |
1592 | Safefree(xfailed); | |
1593 | scriptname = xfound; | |
1594 | } | |
1595 | ||
96436eeb | 1596 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1597 | char *s = scriptname + 8; | |
1598 | fdscript = atoi(s); | |
1599 | while (isDIGIT(*s)) | |
1600 | s++; | |
1601 | if (*s) | |
1602 | scriptname = s + 1; | |
1603 | } | |
1604 | else | |
1605 | fdscript = -1; | |
ab821d7f | 1606 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1607 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1608 | if (strEQ(origfilename,"-")) | |
1609 | scriptname = ""; | |
96436eeb | 1610 | if (fdscript >= 0) { |
760ac839 | 1611 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 1612 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1613 | if (rsfp) |
1614 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1615 | #endif |
1616 | } | |
1617 | else if (preprocess) { | |
79072805 LW |
1618 | char *cpp = CPPSTDIN; |
1619 | ||
1620 | if (strEQ(cpp,"cppstdin")) | |
1621 | sprintf(tokenbuf, "%s/%s", SCRIPTDIR, cpp); | |
1622 | else | |
1623 | sprintf(tokenbuf, "%s", cpp); | |
1624 | sv_catpv(sv,"-I"); | |
fed7345c | 1625 | sv_catpv(sv,PRIVLIB_EXP); |
79072805 LW |
1626 | #ifdef MSDOS |
1627 | (void)sprintf(buf, "\ | |
1628 | sed %s -e \"/^[^#]/b\" \ | |
1629 | -e \"/^#[ ]*include[ ]/b\" \ | |
1630 | -e \"/^#[ ]*define[ ]/b\" \ | |
1631 | -e \"/^#[ ]*if[ ]/b\" \ | |
1632 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1633 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1634 | -e \"/^#[ ]*else/b\" \ | |
1635 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1636 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1637 | -e \"/^#[ ]*endif/b\" \ | |
1638 | -e \"s/^#.*//\" \ | |
1639 | %s | %s -C %s %s", | |
1640 | (doextract ? "-e \"1,/^#/d\n\"" : ""), | |
1641 | #else | |
1642 | (void)sprintf(buf, "\ | |
1643 | %s %s -e '/^[^#]/b' \ | |
1644 | -e '/^#[ ]*include[ ]/b' \ | |
1645 | -e '/^#[ ]*define[ ]/b' \ | |
1646 | -e '/^#[ ]*if[ ]/b' \ | |
1647 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1648 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1649 | -e '/^#[ ]*else/b' \ | |
1650 | -e '/^#[ ]*elif[ ]/b' \ | |
1651 | -e '/^#[ ]*undef[ ]/b' \ | |
1652 | -e '/^#[ ]*endif/b' \ | |
1653 | -e 's/^[ ]*#.*//' \ | |
1654 | %s | %s -C %s %s", | |
1655 | #ifdef LOC_SED | |
1656 | LOC_SED, | |
1657 | #else | |
1658 | "sed", | |
1659 | #endif | |
1660 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
1661 | #endif | |
463ee0b2 | 1662 | scriptname, tokenbuf, SvPV(sv, na), CPPMINUS); |
79072805 LW |
1663 | doextract = FALSE; |
1664 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
1665 | if (euid != uid && !euid) { /* if running suidperl */ | |
1666 | #ifdef HAS_SETEUID | |
1667 | (void)seteuid(uid); /* musn't stay setuid root */ | |
1668 | #else | |
1669 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1670 | (void)setreuid((Uid_t)-1, uid); |
1671 | #else | |
1672 | #ifdef HAS_SETRESUID | |
1673 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
1674 | #else |
1675 | setuid(uid); | |
1676 | #endif | |
1677 | #endif | |
85e6fe83 | 1678 | #endif |
79072805 | 1679 | if (geteuid() != uid) |
463ee0b2 | 1680 | croak("Can't do seteuid!\n"); |
79072805 LW |
1681 | } |
1682 | #endif /* IAMSUID */ | |
1683 | rsfp = my_popen(buf,"r"); | |
1684 | } | |
1685 | else if (!*scriptname) { | |
bbce6d69 | 1686 | forbid_setid("program input from stdin"); |
760ac839 | 1687 | rsfp = PerlIO_stdin(); |
79072805 | 1688 | } |
96436eeb | 1689 | else { |
760ac839 | 1690 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 1691 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1692 | if (rsfp) |
1693 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1694 | #endif |
1695 | } | |
5dd60ef7 | 1696 | if (e_tmpname) { |
1697 | e_fp = rsfp; | |
1698 | } | |
7aa04957 | 1699 | if (!rsfp) { |
13281fa4 | 1700 | #ifdef DOSUID |
a687059c | 1701 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 1702 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 1703 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
27e2fb84 | 1704 | (void)sprintf(buf, "%s/sperl%s", BIN, patchlevel); |
a687059c | 1705 | execv(buf, origargv); /* try again */ |
463ee0b2 | 1706 | croak("Can't do setuid\n"); |
13281fa4 LW |
1707 | } |
1708 | #endif | |
1709 | #endif | |
463ee0b2 | 1710 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 1711 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 1712 | } |
79072805 | 1713 | } |
8d063cd8 | 1714 | |
79072805 | 1715 | static void |
96436eeb | 1716 | validate_suid(validarg, scriptname) |
79072805 | 1717 | char *validarg; |
96436eeb | 1718 | char *scriptname; |
79072805 | 1719 | { |
96436eeb | 1720 | int which; |
1721 | ||
13281fa4 LW |
1722 | /* do we need to emulate setuid on scripts? */ |
1723 | ||
1724 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
1725 | * in the kernel because of a security problem. Merely defining DOSUID | |
1726 | * in perl will not fix that problem, but if you have disabled setuid | |
1727 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
1728 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
1729 | * root version must be called suidperl or sperlN.NNN. If regular perl |
1730 | * discovers that it has opened a setuid script, it calls suidperl with | |
1731 | * the same argv that it had. If suidperl finds that the script it has | |
1732 | * just opened is NOT setuid root, it sets the effective uid back to the | |
1733 | * uid. We don't just make perl setuid root because that loses the | |
1734 | * effective uid we had before invoking perl, if it was different from the | |
1735 | * uid. | |
13281fa4 LW |
1736 | * |
1737 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
1738 | * be defined in suidperl only. suidperl must be setuid root. The | |
1739 | * Configure script will set this up for you if you want it. | |
1740 | */ | |
a687059c | 1741 | |
13281fa4 | 1742 | #ifdef DOSUID |
6e72f9df | 1743 | char *s, *s2; |
a0d0e21e | 1744 | |
760ac839 | 1745 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 1746 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 1747 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 1748 | I32 len; |
13281fa4 | 1749 | |
a687059c | 1750 | #ifdef IAMSUID |
fe14fcc3 | 1751 | #ifndef HAS_SETREUID |
a687059c LW |
1752 | /* On this access check to make sure the directories are readable, |
1753 | * there is actually a small window that the user could use to make | |
1754 | * filename point to an accessible directory. So there is a faint | |
1755 | * chance that someone could execute a setuid script down in a | |
1756 | * non-accessible directory. I don't know what to do about that. | |
1757 | * But I don't think it's too important. The manual lies when | |
1758 | * it says access() is useful in setuid programs. | |
1759 | */ | |
463ee0b2 LW |
1760 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
1761 | croak("Permission denied"); | |
a687059c LW |
1762 | #else |
1763 | /* If we can swap euid and uid, then we can determine access rights | |
1764 | * with a simple stat of the file, and then compare device and | |
1765 | * inode to make sure we did stat() on the same file we opened. | |
1766 | * Then we just have to make sure he or she can execute it. | |
1767 | */ | |
1768 | { | |
1769 | struct stat tmpstatbuf; | |
1770 | ||
85e6fe83 LW |
1771 | if ( |
1772 | #ifdef HAS_SETREUID | |
1773 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
1774 | #else |
1775 | # if HAS_SETRESUID | |
85e6fe83 | 1776 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 1777 | # endif |
85e6fe83 LW |
1778 | #endif |
1779 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 1780 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 1781 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 1782 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
1783 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
1784 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 1785 | (void)PerlIO_close(rsfp); |
79072805 | 1786 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 1787 | PerlIO_printf(rsfp, |
a687059c LW |
1788 | "User %d tried to run dev %d ino %d in place of dev %d ino %d!\n\ |
1789 | (Filename of set-id script was %s, uid %d gid %d.)\n\nSincerely,\nperl\n", | |
1790 | uid,tmpstatbuf.st_dev, tmpstatbuf.st_ino, | |
1791 | statbuf.st_dev, statbuf.st_ino, | |
463ee0b2 | 1792 | SvPVX(GvSV(curcop->cop_filegv)), |
20188a90 | 1793 | statbuf.st_uid, statbuf.st_gid); |
79072805 | 1794 | (void)my_pclose(rsfp); |
a687059c | 1795 | } |
463ee0b2 | 1796 | croak("Permission denied\n"); |
a687059c | 1797 | } |
85e6fe83 LW |
1798 | if ( |
1799 | #ifdef HAS_SETREUID | |
1800 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
1801 | #else |
1802 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 1803 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 1804 | # endif |
85e6fe83 LW |
1805 | #endif |
1806 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 1807 | croak("Can't reswap uid and euid"); |
27e2fb84 | 1808 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 1809 | croak("Permission denied\n"); |
a687059c | 1810 | } |
fe14fcc3 | 1811 | #endif /* HAS_SETREUID */ |
a687059c LW |
1812 | #endif /* IAMSUID */ |
1813 | ||
27e2fb84 | 1814 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 1815 | croak("Permission denied"); |
27e2fb84 | 1816 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 1817 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 1818 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 1819 | curcop->cop_line++; |
760ac839 LW |
1820 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
1821 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 1822 | croak("No #! line"); |
760ac839 | 1823 | s = SvPV(linestr,na)+2; |
663a0e37 | 1824 | if (*s == ' ') s++; |
45d8adaa | 1825 | while (!isSPACE(*s)) s++; |
760ac839 | 1826 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 1827 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
1828 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 1829 | croak("Not a perl script"); |
a687059c | 1830 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
1831 | /* |
1832 | * #! arg must be what we saw above. They can invoke it by | |
1833 | * mentioning suidperl explicitly, but they may not add any strange | |
1834 | * arguments beyond what #! says if they do invoke suidperl that way. | |
1835 | */ | |
1836 | len = strlen(validarg); | |
1837 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 1838 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 1839 | croak("Args must match #! line"); |
a687059c LW |
1840 | |
1841 | #ifndef IAMSUID | |
1842 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
1843 | euid == statbuf.st_uid) | |
1844 | if (!do_undump) | |
463ee0b2 | 1845 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
1846 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
1847 | #endif /* IAMSUID */ | |
13281fa4 LW |
1848 | |
1849 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 1850 | (void)PerlIO_close(rsfp); |
13281fa4 | 1851 | #ifndef IAMSUID |
27e2fb84 | 1852 | (void)sprintf(buf, "%s/sperl%s", BIN, patchlevel); |
a687059c | 1853 | execv(buf, origargv); /* try again */ |
13281fa4 | 1854 | #endif |
463ee0b2 | 1855 | croak("Can't do setuid\n"); |
13281fa4 LW |
1856 | } |
1857 | ||
83025b21 | 1858 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 1859 | #ifdef HAS_SETEGID |
a687059c LW |
1860 | (void)setegid(statbuf.st_gid); |
1861 | #else | |
fe14fcc3 | 1862 | #ifdef HAS_SETREGID |
85e6fe83 LW |
1863 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
1864 | #else | |
1865 | #ifdef HAS_SETRESGID | |
1866 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
1867 | #else |
1868 | setgid(statbuf.st_gid); | |
1869 | #endif | |
1870 | #endif | |
85e6fe83 | 1871 | #endif |
83025b21 | 1872 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 1873 | croak("Can't do setegid!\n"); |
83025b21 | 1874 | } |
a687059c LW |
1875 | if (statbuf.st_mode & S_ISUID) { |
1876 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 1877 | #ifdef HAS_SETEUID |
a687059c LW |
1878 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
1879 | #else | |
fe14fcc3 | 1880 | #ifdef HAS_SETREUID |
85e6fe83 LW |
1881 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
1882 | #else | |
1883 | #ifdef HAS_SETRESUID | |
1884 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
1885 | #else |
1886 | setuid(statbuf.st_uid); | |
1887 | #endif | |
1888 | #endif | |
85e6fe83 | 1889 | #endif |
83025b21 | 1890 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 1891 | croak("Can't do seteuid!\n"); |
a687059c | 1892 | } |
83025b21 | 1893 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 1894 | #ifdef HAS_SETEUID |
85e6fe83 | 1895 | (void)seteuid((Uid_t)uid); |
a687059c | 1896 | #else |
fe14fcc3 | 1897 | #ifdef HAS_SETREUID |
85e6fe83 | 1898 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 1899 | #else |
85e6fe83 LW |
1900 | #ifdef HAS_SETRESUID |
1901 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
1902 | #else | |
1903 | setuid((Uid_t)uid); | |
1904 | #endif | |
a687059c LW |
1905 | #endif |
1906 | #endif | |
83025b21 | 1907 | if (geteuid() != uid) |
463ee0b2 | 1908 | croak("Can't do seteuid!\n"); |
83025b21 | 1909 | } |
748a9306 | 1910 | init_ids(); |
27e2fb84 | 1911 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 1912 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
1913 | } |
1914 | #ifdef IAMSUID | |
1915 | else if (preprocess) | |
463ee0b2 | 1916 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 1917 | else if (fdscript >= 0) |
1918 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 1919 | else |
463ee0b2 | 1920 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 1921 | |
1922 | /* We absolutely must clear out any saved ids here, so we */ | |
1923 | /* exec the real perl, substituting fd script for scriptname. */ | |
1924 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
1925 | PerlIO_rewind(rsfp); |
1926 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 1927 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
1928 | if (!origargv[which]) | |
1929 | croak("Permission denied"); | |
760ac839 | 1930 | (void)sprintf(buf, "/dev/fd/%d/%.127s", PerlIO_fileno(rsfp), origargv[which]); |
96436eeb | 1931 | origargv[which] = buf; |
1932 | ||
1933 | #if defined(HAS_FCNTL) && defined(F_SETFD) | |
760ac839 | 1934 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 1935 | #endif |
1936 | ||
1937 | (void)sprintf(tokenbuf, "%s/perl%s", BIN, patchlevel); | |
1938 | execv(tokenbuf, origargv); /* try again */ | |
1939 | croak("Can't do setuid\n"); | |
13281fa4 | 1940 | #endif /* IAMSUID */ |
a687059c | 1941 | #else /* !DOSUID */ |
a687059c LW |
1942 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
1943 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
760ac839 | 1944 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
1945 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
1946 | || | |
1947 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
1948 | ) | |
1949 | if (!do_undump) | |
463ee0b2 | 1950 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
1951 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
1952 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
1953 | /* not set-id, must be wrapped */ | |
a687059c | 1954 | } |
13281fa4 | 1955 | #endif /* DOSUID */ |
79072805 | 1956 | } |
13281fa4 | 1957 | |
79072805 LW |
1958 | static void |
1959 | find_beginning() | |
1960 | { | |
6e72f9df | 1961 | register char *s, *s2; |
33b78306 LW |
1962 | |
1963 | /* skip forward in input to the real script? */ | |
1964 | ||
bbce6d69 | 1965 | forbid_setid("-x"); |
33b78306 | 1966 | while (doextract) { |
79072805 | 1967 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 1968 | croak("No Perl script found in input\n"); |
6e72f9df | 1969 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 1970 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 1971 | doextract = FALSE; |
6e72f9df | 1972 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
1973 | s2 = s; | |
1974 | while (*s == ' ' || *s == '\t') s++; | |
1975 | if (*s++ == '-') { | |
1976 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
1977 | if (strnEQ(s2-4,"perl",4)) | |
1978 | /*SUPPRESS 530*/ | |
1979 | while (s = moreswitches(s)) ; | |
33b78306 | 1980 | } |
79072805 | 1981 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 1982 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
1983 | } |
1984 | } | |
1985 | } | |
1986 | ||
79072805 | 1987 | static void |
748a9306 | 1988 | init_ids() |
352d5a3a | 1989 | { |
748a9306 LW |
1990 | uid = (int)getuid(); |
1991 | euid = (int)geteuid(); | |
1992 | gid = (int)getgid(); | |
1993 | egid = (int)getegid(); | |
1994 | #ifdef VMS | |
1995 | uid |= gid << 16; | |
1996 | euid |= egid << 16; | |
1997 | #endif | |
4633a7c4 | 1998 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 1999 | } |
79072805 | 2000 | |
748a9306 | 2001 | static void |
bbce6d69 | 2002 | forbid_setid(s) |
2003 | char *s; | |
2004 | { | |
2005 | if (euid != uid) | |
2006 | croak("No %s allowed while running setuid", s); | |
2007 | if (egid != gid) | |
2008 | croak("No %s allowed while running setgid", s); | |
2009 | } | |
2010 | ||
2011 | static void | |
748a9306 LW |
2012 | init_debugger() |
2013 | { | |
79072805 | 2014 | curstash = debstash; |
748a9306 | 2015 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2016 | AvREAL_off(dbargs); |
a0d0e21e LW |
2017 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2018 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2019 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2020 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2021 | sv_setiv(DBsingle, 0); |
748a9306 | 2022 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2023 | sv_setiv(DBtrace, 0); |
748a9306 | 2024 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2025 | sv_setiv(DBsignal, 0); |
79072805 | 2026 | curstash = defstash; |
352d5a3a LW |
2027 | } |
2028 | ||
79072805 | 2029 | static void |
8990e307 | 2030 | init_stacks() |
79072805 | 2031 | { |
6e72f9df | 2032 | curstack = newAV(); |
5f05dabc | 2033 | mainstack = curstack; /* remember in case we switch stacks */ |
2034 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2035 | av_extend(curstack,127); |
79072805 | 2036 | |
6e72f9df | 2037 | stack_base = AvARRAY(curstack); |
79072805 | 2038 | stack_sp = stack_base; |
8990e307 | 2039 | stack_max = stack_base + 127; |
79072805 | 2040 | |
5f05dabc | 2041 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2042 | New(50,cxstack,cxstack_max + 1,CONTEXT); | |
2043 | cxstack_ix = -1; | |
2044 | ||
2045 | New(50,tmps_stack,128,SV*); | |
2046 | tmps_ix = -1; | |
2047 | tmps_max = 128; | |
2048 | ||
2049 | DEBUG( { | |
2050 | New(51,debname,128,char); | |
2051 | New(52,debdelim,128,char); | |
2052 | } ) | |
2053 | ||
2054 | /* | |
2055 | * The following stacks almost certainly should be per-interpreter, | |
2056 | * but for now they're not. XXX | |
2057 | */ | |
2058 | ||
6e72f9df | 2059 | if (markstack) { |
2060 | markstack_ptr = markstack; | |
2061 | } else { | |
2062 | New(54,markstack,64,I32); | |
2063 | markstack_ptr = markstack; | |
2064 | markstack_max = markstack + 64; | |
2065 | } | |
79072805 | 2066 | |
6e72f9df | 2067 | if (scopestack) { |
2068 | scopestack_ix = 0; | |
2069 | } else { | |
2070 | New(54,scopestack,32,I32); | |
2071 | scopestack_ix = 0; | |
2072 | scopestack_max = 32; | |
2073 | } | |
79072805 | 2074 | |
6e72f9df | 2075 | if (savestack) { |
2076 | savestack_ix = 0; | |
2077 | } else { | |
2078 | New(54,savestack,128,ANY); | |
2079 | savestack_ix = 0; | |
2080 | savestack_max = 128; | |
2081 | } | |
79072805 | 2082 | |
6e72f9df | 2083 | if (retstack) { |
2084 | retstack_ix = 0; | |
2085 | } else { | |
2086 | New(54,retstack,16,OP*); | |
2087 | retstack_ix = 0; | |
2088 | retstack_max = 16; | |
5f05dabc | 2089 | } |
378cc40b | 2090 | } |
33b78306 | 2091 | |
6e72f9df | 2092 | static void |
2093 | nuke_stacks() | |
2094 | { | |
2095 | Safefree(cxstack); | |
2096 | Safefree(tmps_stack); | |
5f05dabc | 2097 | DEBUG( { |
2098 | Safefree(debname); | |
2099 | Safefree(debdelim); | |
2100 | } ) | |
6e72f9df | 2101 | } |
2102 | ||
760ac839 | 2103 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2104 | |
79072805 | 2105 | static void |
8990e307 LW |
2106 | init_lexer() |
2107 | { | |
a0d0e21e | 2108 | tmpfp = rsfp; |
8990e307 LW |
2109 | lex_start(linestr); |
2110 | rsfp = tmpfp; | |
2111 | subname = newSVpv("main",4); | |
2112 | } | |
2113 | ||
2114 | static void | |
79072805 | 2115 | init_predump_symbols() |
45d8adaa | 2116 | { |
93a17b20 | 2117 | GV *tmpgv; |
a0d0e21e | 2118 | GV *othergv; |
79072805 | 2119 | |
85e6fe83 | 2120 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
79072805 | 2121 | |
85e6fe83 | 2122 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2123 | GvMULTI_on(stdingv); |
760ac839 | 2124 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2125 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2126 | GvMULTI_on(tmpgv); |
a0d0e21e | 2127 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2128 | |
85e6fe83 | 2129 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2130 | GvMULTI_on(tmpgv); |
760ac839 | 2131 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2132 | setdefout(tmpgv); |
adbc6bb1 | 2133 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2134 | GvMULTI_on(tmpgv); |
a0d0e21e | 2135 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2136 | |
a0d0e21e | 2137 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2138 | GvMULTI_on(othergv); |
760ac839 | 2139 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2140 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2141 | GvMULTI_on(tmpgv); |
a0d0e21e | 2142 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2143 | |
2144 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2145 | |
6e72f9df | 2146 | if (!osname) |
2147 | osname = savepv(OSNAME); | |
79072805 | 2148 | } |
33b78306 | 2149 | |
79072805 LW |
2150 | static void |
2151 | init_postdump_symbols(argc,argv,env) | |
2152 | register int argc; | |
2153 | register char **argv; | |
2154 | register char **env; | |
33b78306 | 2155 | { |
79072805 LW |
2156 | char *s; |
2157 | SV *sv; | |
2158 | GV* tmpgv; | |
fe14fcc3 | 2159 | |
79072805 LW |
2160 | argc--,argv++; /* skip name of script */ |
2161 | if (doswitches) { | |
2162 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2163 | if (!argv[0][1]) | |
2164 | break; | |
2165 | if (argv[0][1] == '-') { | |
2166 | argc--,argv++; | |
2167 | break; | |
2168 | } | |
93a17b20 | 2169 | if (s = strchr(argv[0], '=')) { |
79072805 | 2170 | *s++ = '\0'; |
85e6fe83 | 2171 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2172 | } |
2173 | else | |
85e6fe83 | 2174 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2175 | } |
79072805 LW |
2176 | } |
2177 | toptarget = NEWSV(0,0); | |
2178 | sv_upgrade(toptarget, SVt_PVFM); | |
2179 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2180 | bodytarget = NEWSV(0,0); |
79072805 LW |
2181 | sv_upgrade(bodytarget, SVt_PVFM); |
2182 | sv_setpvn(bodytarget, "", 0); | |
2183 | formtarget = bodytarget; | |
2184 | ||
bbce6d69 | 2185 | TAINT; |
85e6fe83 | 2186 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2187 | sv_setpv(GvSV(tmpgv),origfilename); |
2188 | magicname("0", "0", 1); | |
2189 | } | |
85e6fe83 | 2190 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2191 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2192 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2193 | GvMULTI_on(argvgv); |
79072805 LW |
2194 | (void)gv_AVadd(argvgv); |
2195 | av_clear(GvAVn(argvgv)); | |
2196 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2197 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2198 | } |
2199 | } | |
85e6fe83 | 2200 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2201 | HV *hv; |
a5f75d66 | 2202 | GvMULTI_on(envgv); |
79072805 | 2203 | hv = GvHVn(envgv); |
463ee0b2 | 2204 | hv_clear(hv); |
a0d0e21e | 2205 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2206 | /* Note that if the supplied env parameter is actually a copy |
2207 | of the global environ then it may now point to free'd memory | |
2208 | if the environment has been modified since. To avoid this | |
2209 | problem we treat env==NULL as meaning 'use the default' | |
2210 | */ | |
2211 | if (!env) | |
2212 | env = environ; | |
8990e307 | 2213 | if (env != environ) { |
79072805 | 2214 | environ[0] = Nullch; |
8990e307 LW |
2215 | hv_magic(hv, envgv, 'E'); |
2216 | } | |
79072805 | 2217 | for (; *env; env++) { |
93a17b20 | 2218 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2219 | continue; |
2220 | *s++ = '\0'; | |
2221 | sv = newSVpv(s--,0); | |
85e6fe83 | 2222 | sv_magic(sv, sv, 'e', *env, s - *env); |
79072805 LW |
2223 | (void)hv_store(hv, *env, s - *env, sv, 0); |
2224 | *s = '='; | |
fe14fcc3 | 2225 | } |
4550b24a | 2226 | #endif |
2227 | #ifdef DYNAMIC_ENV_FETCH | |
2228 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2229 | #endif | |
f511e57f | 2230 | hv_magic(hv, envgv, 'E'); |
79072805 | 2231 | } |
bbce6d69 | 2232 | TAINT_NOT; |
85e6fe83 | 2233 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
79072805 | 2234 | sv_setiv(GvSV(tmpgv),(I32)getpid()); |
33b78306 | 2235 | } |
34de22dd | 2236 | |
79072805 LW |
2237 | static void |
2238 | init_perllib() | |
34de22dd | 2239 | { |
85e6fe83 LW |
2240 | char *s; |
2241 | if (!tainting) { | |
552a7a9b | 2242 | #ifndef VMS |
85e6fe83 LW |
2243 | s = getenv("PERL5LIB"); |
2244 | if (s) | |
774d564b | 2245 | incpush(s, TRUE); |
85e6fe83 | 2246 | else |
774d564b | 2247 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2248 | #else /* VMS */ |
2249 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2250 | * "natural" VMS idiom for a Unix path string. We allow each | |
2251 | * element to be a set of |-separated directories for compatibility. | |
2252 | */ | |
2253 | char buf[256]; | |
2254 | int idx = 0; | |
2255 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2256 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2257 | else |
774d564b | 2258 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2259 | #endif /* VMS */ |
85e6fe83 | 2260 | } |
34de22dd | 2261 | |
df5cef82 | 2262 | /* Use the ~-expanded versions of APPLIB (undocumented), |
2263 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB | |
2264 | */ | |
4633a7c4 | 2265 | #ifdef APPLLIB_EXP |
774d564b | 2266 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2267 | #endif |
4633a7c4 | 2268 | |
fed7345c | 2269 | #ifdef ARCHLIB_EXP |
774d564b | 2270 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2271 | #endif |
fed7345c AD |
2272 | #ifndef PRIVLIB_EXP |
2273 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2274 | #endif |
774d564b | 2275 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2276 | |
2277 | #ifdef SITEARCH_EXP | |
774d564b | 2278 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2279 | #endif |
2280 | #ifdef SITELIB_EXP | |
774d564b | 2281 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2282 | #endif |
2283 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2284 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2285 | #endif |
a0d0e21e | 2286 | |
4633a7c4 | 2287 | if (!tainting) |
774d564b | 2288 | incpush(".", FALSE); |
2289 | } | |
2290 | ||
2291 | #if defined(DOSISH) | |
2292 | # define PERLLIB_SEP ';' | |
2293 | #else | |
2294 | # if defined(VMS) | |
2295 | # define PERLLIB_SEP '|' | |
2296 | # else | |
2297 | # define PERLLIB_SEP ':' | |
2298 | # endif | |
2299 | #endif | |
2300 | #ifndef PERLLIB_MANGLE | |
2301 | # define PERLLIB_MANGLE(s,n) (s) | |
2302 | #endif | |
2303 | ||
2304 | static void | |
2305 | incpush(p, addsubdirs) | |
2306 | char *p; | |
2307 | int addsubdirs; | |
2308 | { | |
2309 | SV *subdir = Nullsv; | |
2310 | static char *archpat_auto; | |
2311 | ||
2312 | if (!p) | |
2313 | return; | |
2314 | ||
2315 | if (addsubdirs) { | |
2316 | subdir = newSV(0); | |
2317 | if (!archpat_auto) { | |
2318 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2319 | + sizeof("//auto")); | |
2320 | New(55, archpat_auto, len, char); | |
2321 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
2322 | } | |
2323 | } | |
2324 | ||
2325 | /* Break at all separators */ | |
2326 | while (p && *p) { | |
2327 | SV *libdir = newSV(0); | |
2328 | char *s; | |
2329 | ||
2330 | /* skip any consecutive separators */ | |
2331 | while ( *p == PERLLIB_SEP ) { | |
2332 | /* Uncomment the next line for PATH semantics */ | |
2333 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2334 | p++; | |
2335 | } | |
2336 | ||
2337 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2338 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2339 | (STRLEN)(s - p)); | |
2340 | p = s + 1; | |
2341 | } | |
2342 | else { | |
2343 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2344 | p = Nullch; /* break out */ | |
2345 | } | |
2346 | ||
2347 | /* | |
2348 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2349 | * archname-specific sub-directories. | |
2350 | */ | |
2351 | if (addsubdirs) { | |
2352 | struct stat tmpstatbuf; | |
2353 | ||
4fdae800 | 2354 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2355 | sv_setsv(subdir, libdir); |
2356 | sv_catpv(subdir, archpat_auto); | |
2357 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2358 | S_ISDIR(tmpstatbuf.st_mode)) | |
2359 | av_push(GvAVn(incgv), | |
2360 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2361 | ||
4fdae800 | 2362 | /* .../archname if -d .../archname/auto */ |
774d564b | 2363 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2364 | strlen(patchlevel) + 1, "", 0); | |
2365 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2366 | S_ISDIR(tmpstatbuf.st_mode)) | |
2367 | av_push(GvAVn(incgv), | |
2368 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2369 | } | |
2370 | ||
2371 | /* finally push this lib directory on the end of @INC */ | |
2372 | av_push(GvAVn(incgv), libdir); | |
2373 | } | |
2374 | ||
2375 | SvREFCNT_dec(subdir); | |
34de22dd | 2376 | } |
93a17b20 LW |
2377 | |
2378 | void | |
2379 | calllist(list) | |
2380 | AV* list; | |
2381 | { | |
a5f75d66 | 2382 | Sigjmp_buf oldtop; |
a0d0e21e LW |
2383 | STRLEN len; |
2384 | line_t oldline = curcop->cop_line; | |
93a17b20 | 2385 | |
a5f75d66 | 2386 | Copy(top_env, oldtop, 1, Sigjmp_buf); |
93a17b20 | 2387 | |
8990e307 LW |
2388 | while (AvFILL(list) >= 0) { |
2389 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2390 | |
8990e307 | 2391 | SAVEFREESV(cv); |
a0d0e21e | 2392 | |
a5f75d66 | 2393 | switch (Sigsetjmp(top_env,1)) { |
748a9306 | 2394 | case 0: { |
4633a7c4 | 2395 | SV* atsv = GvSV(errgv); |
748a9306 LW |
2396 | PUSHMARK(stack_sp); |
2397 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
2398 | (void)SvPV(atsv, len); | |
2399 | if (len) { | |
a5f75d66 | 2400 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
748a9306 LW |
2401 | curcop = &compiling; |
2402 | curcop->cop_line = oldline; | |
2403 | if (list == beginav) | |
2404 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
2405 | else | |
2406 | sv_catpv(atsv, "END failed--cleanup aborted"); | |
2407 | croak("%s", SvPVX(atsv)); | |
2408 | } | |
a0d0e21e | 2409 | } |
85e6fe83 LW |
2410 | break; |
2411 | case 1: | |
f86702cc | 2412 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2413 | /* FALL THROUGH */ |
2414 | case 2: | |
2415 | /* my_exit() was called */ | |
2416 | curstash = defstash; | |
2417 | if (endav) | |
2418 | calllist(endav); | |
a0d0e21e | 2419 | FREETMPS; |
a5f75d66 | 2420 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
a0d0e21e LW |
2421 | curcop = &compiling; |
2422 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2423 | if (statusvalue) { |
2424 | if (list == beginav) | |
a0d0e21e | 2425 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2426 | else |
a0d0e21e | 2427 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2428 | } |
f86702cc | 2429 | my_exit_jump(); |
85e6fe83 | 2430 | /* NOTREACHED */ |
85e6fe83 LW |
2431 | case 3: |
2432 | if (!restartop) { | |
760ac839 | 2433 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2434 | FREETMPS; |
85e6fe83 LW |
2435 | break; |
2436 | } | |
a5f75d66 | 2437 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
a0d0e21e LW |
2438 | curcop = &compiling; |
2439 | curcop->cop_line = oldline; | |
a5f75d66 | 2440 | Siglongjmp(top_env, 3); |
8990e307 | 2441 | } |
93a17b20 LW |
2442 | } |
2443 | ||
a5f75d66 | 2444 | Copy(oldtop, top_env, 1, Sigjmp_buf); |
93a17b20 LW |
2445 | } |
2446 | ||
f86702cc | 2447 | void |
2448 | my_exit(status) | |
2449 | U32 status; | |
2450 | { | |
2451 | switch (status) { | |
2452 | case 0: | |
2453 | STATUS_ALL_SUCCESS; | |
2454 | break; | |
2455 | case 1: | |
2456 | STATUS_ALL_FAILURE; | |
2457 | break; | |
2458 | default: | |
2459 | STATUS_NATIVE_SET(status); | |
2460 | break; | |
2461 | } | |
2462 | my_exit_jump(); | |
2463 | } | |
2464 | ||
2465 | void | |
2466 | my_failure_exit() | |
2467 | { | |
2468 | #ifdef VMS | |
2469 | if (vaxc$errno & 1) { | |
4fdae800 | 2470 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2471 | STATUS_NATIVE_SET(44); | |
f86702cc | 2472 | } |
2473 | else { | |
2474 | if (!vaxc$errno && errno) /* someone must have set $^E = 0 */ | |
4fdae800 | 2475 | STATUS_NATIVE_SET(44); |
f86702cc | 2476 | else |
4fdae800 | 2477 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2478 | } |
2479 | #else | |
2480 | if (errno & 255) | |
2481 | STATUS_POSIX_SET(errno); | |
2482 | else if (STATUS_POSIX == 0) | |
2483 | STATUS_POSIX_SET(255); | |
2484 | #endif | |
2485 | my_exit_jump(); | |
2486 | } | |
2487 | ||
2488 | static void | |
2489 | my_exit_jump() | |
2490 | { | |
2491 | register CONTEXT *cx; | |
2492 | I32 gimme; | |
2493 | SV **newsp; | |
2494 | ||
2495 | if (e_tmpname) { | |
2496 | if (e_fp) { | |
2497 | PerlIO_close(e_fp); | |
2498 | e_fp = Nullfp; | |
2499 | } | |
2500 | (void)UNLINK(e_tmpname); | |
2501 | Safefree(e_tmpname); | |
2502 | e_tmpname = Nullch; | |
2503 | } | |
2504 | ||
2505 | if (cxstack_ix >= 0) { | |
2506 | if (cxstack_ix > 0) | |
2507 | dounwind(0); | |
2508 | POPBLOCK(cx,curpm); | |
2509 | LEAVE; | |
2510 | } | |
2511 | Siglongjmp(top_env, 2); | |
2512 | } |