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