Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
9607fc9c | 3 | * Copyright (c) 1987-1997 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
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; \ | |
46fc3d4c | 62 | mess_sv = Nullsv; \ |
8ebc5c01 | 63 | } STMT_END |
64 | ||
a0d0e21e | 65 | static void find_beginning _((void)); |
bbce6d69 | 66 | static void forbid_setid _((char *)); |
774d564b | 67 | static void incpush _((char *, int)); |
748a9306 | 68 | static void init_ids _((void)); |
a0d0e21e LW |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); | |
71 | static void init_main_stash _((void)); | |
72 | static void init_perllib _((void)); | |
73 | static void init_postdump_symbols _((int, char **, char **)); | |
74 | static void init_predump_symbols _((void)); | |
75 | static void init_stacks _((void)); | |
f86702cc | 76 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 77 | static void nuke_stacks _((void)); |
a0d0e21e | 78 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 79 | static void usage _((char *)); |
96436eeb | 80 | static void validate_suid _((char *, char*)); |
81 | ||
82 | static int fdscript = -1; | |
79072805 | 83 | |
93a17b20 | 84 | PerlInterpreter * |
79072805 LW |
85 | perl_alloc() |
86 | { | |
93a17b20 | 87 | PerlInterpreter *sv_interp; |
79072805 | 88 | |
8990e307 | 89 | curinterp = 0; |
93a17b20 | 90 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
91 | return sv_interp; |
92 | } | |
93 | ||
94 | void | |
95 | perl_construct( sv_interp ) | |
93a17b20 | 96 | register PerlInterpreter *sv_interp; |
79072805 LW |
97 | { |
98 | if (!(curinterp = sv_interp)) | |
99 | return; | |
100 | ||
8990e307 | 101 | #ifdef MULTIPLICITY |
93a17b20 | 102 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 103 | #endif |
79072805 LW |
104 | |
105 | /* Init the real globals? */ | |
106 | if (!linestr) { | |
107 | linestr = NEWSV(65,80); | |
ed6116ce | 108 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 109 | |
6e72f9df | 110 | if (!SvREADONLY(&sv_undef)) { |
111 | SvREADONLY_on(&sv_undef); | |
79072805 | 112 | |
6e72f9df | 113 | sv_setpv(&sv_no,No); |
114 | SvNV(&sv_no); | |
115 | SvREADONLY_on(&sv_no); | |
79072805 | 116 | |
6e72f9df | 117 | sv_setpv(&sv_yes,Yes); |
118 | SvNV(&sv_yes); | |
119 | SvREADONLY_on(&sv_yes); | |
120 | } | |
79072805 | 121 | |
c07a80fd | 122 | nrs = newSVpv("\n", 1); |
123 | rs = SvREFCNT_inc(nrs); | |
124 | ||
44a8e56a | 125 | pidstatus = newHV(); |
126 | ||
79072805 LW |
127 | #ifdef MSDOS |
128 | /* | |
129 | * There is no way we can refer to them from Perl so close them to save | |
130 | * space. The other alternative would be to provide STDAUX and STDPRN | |
131 | * filehandles. | |
132 | */ | |
133 | (void)fclose(stdaux); | |
134 | (void)fclose(stdprn); | |
135 | #endif | |
136 | } | |
137 | ||
8990e307 | 138 | #ifdef MULTIPLICITY |
8ebc5c01 | 139 | I_REINIT; |
140 | perl_destruct_level = 1; | |
141 | #else | |
142 | if(perl_destruct_level > 0) | |
143 | I_REINIT; | |
79072805 LW |
144 | #endif |
145 | ||
748a9306 | 146 | init_ids(); |
a5f75d66 | 147 | |
54310121 | 148 | start_env.je_prev = NULL; |
149 | start_env.je_ret = -1; | |
150 | start_env.je_mustcatch = TRUE; | |
151 | top_env = &start_env; | |
f86702cc | 152 | STATUS_ALL_SUCCESS; |
153 | ||
36477c24 | 154 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 155 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 156 | sprintf(patchlevel, "%7.5f", (double) 5 |
157 | + ((double) PATCHLEVEL / (double) 1000) | |
158 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 159 | #else |
e2666263 | 160 | sprintf(patchlevel, "%5.3f", (double) 5 + |
161 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 162 | #endif |
79072805 | 163 | |
ab821d7f | 164 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 165 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 166 | #endif |
167 | ||
760ac839 LW |
168 | PerlIO_init(); /* Hook to IO system */ |
169 | ||
79072805 | 170 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 LW |
171 | |
172 | init_stacks(); | |
173 | ENTER; | |
79072805 LW |
174 | } |
175 | ||
176 | void | |
748a9306 | 177 | perl_destruct(sv_interp) |
93a17b20 | 178 | register PerlInterpreter *sv_interp; |
79072805 | 179 | { |
748a9306 | 180 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 181 | I32 last_sv_count; |
a0d0e21e | 182 | HV *hv; |
8990e307 | 183 | |
79072805 LW |
184 | if (!(curinterp = sv_interp)) |
185 | return; | |
748a9306 LW |
186 | |
187 | destruct_level = perl_destruct_level; | |
4633a7c4 LW |
188 | #ifdef DEBUGGING |
189 | { | |
190 | char *s; | |
5f05dabc | 191 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
192 | int i = atoi(s); | |
193 | if (destruct_level < i) | |
194 | destruct_level = i; | |
195 | } | |
4633a7c4 LW |
196 | } |
197 | #endif | |
198 | ||
8990e307 | 199 | LEAVE; |
a0d0e21e LW |
200 | FREETMPS; |
201 | ||
ff0cee69 | 202 | /* We must account for everything. */ |
203 | ||
204 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 205 | if (main_root) { |
206 | curpad = AvARRAY(comppad); | |
207 | op_free(main_root); | |
ff0cee69 | 208 | main_root = Nullop; |
a0d0e21e | 209 | } |
ff0cee69 | 210 | main_start = Nullop; |
211 | SvREFCNT_dec(main_cv); | |
212 | main_cv = Nullcv; | |
213 | ||
a0d0e21e LW |
214 | if (sv_objcount) { |
215 | /* | |
216 | * Try to destruct global references. We do this first so that the | |
217 | * destructors and destructees still exist. Some sv's might remain. | |
218 | * Non-referenced objects are on their own. | |
219 | */ | |
220 | ||
221 | dirty = TRUE; | |
222 | sv_clean_objs(); | |
8990e307 LW |
223 | } |
224 | ||
5cd24f17 | 225 | /* unhook hooks which will soon be, or use, destroyed data */ |
226 | SvREFCNT_dec(warnhook); | |
227 | warnhook = Nullsv; | |
228 | SvREFCNT_dec(diehook); | |
229 | diehook = Nullsv; | |
230 | SvREFCNT_dec(parsehook); | |
231 | parsehook = Nullsv; | |
232 | ||
a0d0e21e | 233 | if (destruct_level == 0){ |
8990e307 | 234 | |
a0d0e21e LW |
235 | DEBUG_P(debprofdump()); |
236 | ||
237 | /* The exit() function will do everything that needs doing. */ | |
238 | return; | |
239 | } | |
5dd60ef7 | 240 | |
5f05dabc | 241 | /* loosen bonds of global variables */ |
242 | ||
8ebc5c01 | 243 | if(rsfp) { |
244 | (void)PerlIO_close(rsfp); | |
245 | rsfp = Nullfp; | |
246 | } | |
247 | ||
248 | /* Filters for program text */ | |
249 | SvREFCNT_dec(rsfp_filters); | |
250 | rsfp_filters = Nullav; | |
251 | ||
252 | /* switches */ | |
253 | preprocess = FALSE; | |
254 | minus_n = FALSE; | |
255 | minus_p = FALSE; | |
256 | minus_l = FALSE; | |
257 | minus_a = FALSE; | |
258 | minus_F = FALSE; | |
259 | doswitches = FALSE; | |
260 | dowarn = FALSE; | |
261 | doextract = FALSE; | |
262 | sawampersand = FALSE; /* must save all match strings */ | |
263 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
264 | sawvec = FALSE; | |
265 | unsafe = FALSE; | |
266 | ||
267 | Safefree(inplace); | |
268 | inplace = Nullch; | |
269 | ||
270 | Safefree(e_tmpname); | |
271 | e_tmpname = Nullch; | |
272 | ||
273 | if (e_fp) { | |
274 | PerlIO_close(e_fp); | |
275 | e_fp = Nullfp; | |
276 | } | |
277 | ||
278 | /* magical thingies */ | |
279 | ||
280 | Safefree(ofs); /* $, */ | |
281 | ofs = Nullch; | |
5f05dabc | 282 | |
8ebc5c01 | 283 | Safefree(ors); /* $\ */ |
284 | ors = Nullch; | |
285 | ||
286 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 287 | nrs = Nullsv; |
288 | ||
8ebc5c01 | 289 | multiline = 0; /* $* */ |
5f05dabc | 290 | |
8ebc5c01 | 291 | SvREFCNT_dec(statname); |
5f05dabc | 292 | statname = Nullsv; |
293 | statgv = Nullgv; | |
5f05dabc | 294 | |
8ebc5c01 | 295 | /* defgv, aka *_ should be taken care of elsewhere */ |
296 | ||
297 | #if 0 /* just about all regexp stuff, seems to be ok */ | |
298 | ||
299 | /* shortcuts to regexp stuff */ | |
300 | leftgv = Nullgv; | |
301 | ampergv = Nullgv; | |
302 | ||
303 | SAVEFREEOP(curpm); | |
304 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ | |
305 | ||
306 | regprecomp = NULL; /* uncompiled string. */ | |
307 | regparse = NULL; /* Input-scan pointer. */ | |
308 | regxend = NULL; /* End of input for compile */ | |
309 | regnpar = 0; /* () count. */ | |
310 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ | |
311 | regsize = 0; /* Code size. */ | |
312 | regnaughty = 0; /* How bad is this pattern? */ | |
313 | regsawback = 0; /* Did we see \1, ...? */ | |
314 | ||
315 | reginput = NULL; /* String-input pointer. */ | |
316 | regbol = NULL; /* Beginning of input, for ^ check. */ | |
317 | regeol = NULL; /* End of input, for $ check. */ | |
318 | regstartp = (char **)NULL; /* Pointer to startp array. */ | |
319 | regendp = (char **)NULL; /* Ditto for endp. */ | |
320 | reglastparen = 0; /* Similarly for lastparen. */ | |
321 | regtill = NULL; /* How far we are required to go. */ | |
322 | regflags = 0; /* are we folding, multilining? */ | |
323 | regprev = (char)NULL; /* char before regbol, \n if none */ | |
324 | ||
325 | #endif /* if 0 */ | |
326 | ||
327 | /* clean up after study() */ | |
328 | SvREFCNT_dec(lastscream); | |
329 | lastscream = Nullsv; | |
330 | Safefree(screamfirst); | |
331 | screamfirst = 0; | |
332 | Safefree(screamnext); | |
333 | screamnext = 0; | |
334 | ||
335 | /* startup and shutdown function lists */ | |
336 | SvREFCNT_dec(beginav); | |
337 | SvREFCNT_dec(endav); | |
5618dfe8 | 338 | beginav = Nullav; |
5618dfe8 CS |
339 | endav = Nullav; |
340 | ||
8ebc5c01 | 341 | /* temp stack during pp_sort() */ |
342 | SvREFCNT_dec(sortstack); | |
343 | sortstack = Nullav; | |
344 | ||
345 | /* shortcuts just get cleared */ | |
346 | envgv = Nullgv; | |
347 | siggv = Nullgv; | |
348 | incgv = Nullgv; | |
349 | errgv = Nullgv; | |
350 | argvgv = Nullgv; | |
351 | argvoutgv = Nullgv; | |
352 | stdingv = Nullgv; | |
353 | last_in_gv = Nullgv; | |
354 | ||
355 | /* reset so print() ends up where we expect */ | |
356 | setdefout(Nullgv); | |
357 | ||
a0d0e21e | 358 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 359 | |
a0d0e21e | 360 | hv = defstash; |
85e6fe83 | 361 | defstash = 0; |
a0d0e21e LW |
362 | SvREFCNT_dec(hv); |
363 | ||
364 | FREETMPS; | |
365 | if (destruct_level >= 2) { | |
366 | if (scopestack_ix != 0) | |
ff0cee69 | 367 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
368 | (long)scopestack_ix); | |
a0d0e21e | 369 | if (savestack_ix != 0) |
ff0cee69 | 370 | warn("Unbalanced saves: %ld more saves than restores\n", |
371 | (long)savestack_ix); | |
a0d0e21e | 372 | if (tmps_floor != -1) |
ff0cee69 | 373 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
374 | (long)tmps_floor + 1); | |
a0d0e21e | 375 | if (cxstack_ix != -1) |
ff0cee69 | 376 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
377 | (long)cxstack_ix + 1); | |
a0d0e21e | 378 | } |
8990e307 | 379 | |
46fc3d4c | 380 | |
381 | /* Without SVs, messages must be primitive. */ | |
382 | SvREFCNT_dec(mess_sv); | |
383 | mess_sv = &sv_undef; | |
384 | ||
8990e307 | 385 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
8990e307 | 386 | last_sv_count = 0; |
6e72f9df | 387 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
388 | while (sv_count != 0 && sv_count != last_sv_count) { |
389 | last_sv_count = sv_count; | |
390 | sv_clean_all(); | |
391 | } | |
6e72f9df | 392 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
393 | SvFLAGS(strtab) |= SVt_PVHV; | |
394 | ||
395 | /* Destruct the global string table. */ | |
396 | { | |
397 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
398 | * so that sv_free() won't fail on them. | |
399 | */ | |
400 | I32 riter; | |
401 | I32 max; | |
402 | HE *hent; | |
403 | HE **array; | |
404 | ||
405 | riter = 0; | |
406 | max = HvMAX(strtab); | |
407 | array = HvARRAY(strtab); | |
408 | hent = array[0]; | |
409 | for (;;) { | |
410 | if (hent) { | |
411 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
412 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
413 | HeVAL(hent) = Nullsv; | |
414 | hent = HeNEXT(hent); | |
415 | } | |
416 | if (!hent) { | |
417 | if (++riter > max) | |
418 | break; | |
419 | hent = array[riter]; | |
420 | } | |
421 | } | |
422 | } | |
423 | SvREFCNT_dec(strtab); | |
424 | ||
8990e307 | 425 | if (sv_count != 0) |
ff0cee69 | 426 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 427 | |
4633a7c4 | 428 | sv_free_arenas(); |
44a8e56a | 429 | |
430 | /* No SVs have survived, need to clean out */ | |
431 | linestr = NULL; | |
432 | pidstatus = Nullhv; | |
6e72f9df | 433 | if (origfilename) |
434 | Safefree(origfilename); | |
435 | nuke_stacks(); | |
436 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ | |
437 | ||
a0d0e21e | 438 | DEBUG_P(debprofdump()); |
79072805 LW |
439 | } |
440 | ||
441 | void | |
442 | perl_free(sv_interp) | |
93a17b20 | 443 | PerlInterpreter *sv_interp; |
79072805 LW |
444 | { |
445 | if (!(curinterp = sv_interp)) | |
446 | return; | |
447 | Safefree(sv_interp); | |
448 | } | |
449 | ||
450 | int | |
a0d0e21e | 451 | perl_parse(sv_interp, xsinit, argc, argv, env) |
93a17b20 | 452 | PerlInterpreter *sv_interp; |
a0d0e21e LW |
453 | void (*xsinit)_((void)); |
454 | int argc; | |
455 | char **argv; | |
79072805 | 456 | char **env; |
8d063cd8 | 457 | { |
79072805 | 458 | register SV *sv; |
8d063cd8 | 459 | register char *s; |
1a30305b | 460 | char *scriptname = NULL; |
a0d0e21e | 461 | VOL bool dosearch = FALSE; |
13281fa4 | 462 | char *validarg = ""; |
2ae324a7 | 463 | I32 oldscope; |
748a9306 | 464 | AV* comppadlist; |
54310121 | 465 | dJMPENV; |
22921e25 | 466 | int ret; |
8d063cd8 | 467 | |
a687059c LW |
468 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
469 | #ifdef IAMSUID | |
470 | #undef IAMSUID | |
463ee0b2 | 471 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
472 | setuid perl scripts securely.\n"); |
473 | #endif | |
474 | #endif | |
475 | ||
79072805 LW |
476 | if (!(curinterp = sv_interp)) |
477 | return 255; | |
478 | ||
6e72f9df | 479 | #if defined(NeXT) && defined(__DYNAMIC__) |
480 | _dyld_lookup_and_bind | |
481 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
482 | #endif /* environ */ | |
483 | ||
ac58e20f LW |
484 | origargv = argv; |
485 | origargc = argc; | |
a0d0e21e | 486 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 487 | origenviron = environ; |
a0d0e21e | 488 | #endif |
ab821d7f | 489 | e_tmpname = Nullch; |
a0d0e21e LW |
490 | |
491 | if (do_undump) { | |
492 | ||
493 | /* Come here if running an undumped a.out. */ | |
494 | ||
495 | origfilename = savepv(argv[0]); | |
496 | do_undump = FALSE; | |
497 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 498 | init_ids(); |
a0d0e21e LW |
499 | init_postdump_symbols(argc,argv,env); |
500 | return 0; | |
501 | } | |
502 | ||
ff0cee69 | 503 | if (main_root) { |
504 | curpad = AvARRAY(comppad); | |
a0d0e21e | 505 | op_free(main_root); |
ff0cee69 | 506 | main_root = Nullop; |
507 | } | |
508 | main_start = Nullop; | |
509 | SvREFCNT_dec(main_cv); | |
510 | main_cv = Nullcv; | |
79072805 | 511 | |
f86702cc | 512 | time(&basetime); |
2ae324a7 | 513 | oldscope = scopestack_ix; |
f86702cc | 514 | |
22921e25 CS |
515 | JMPENV_PUSH(ret); |
516 | switch (ret) { | |
79072805 | 517 | case 1: |
f86702cc | 518 | STATUS_ALL_FAILURE; |
519 | /* FALL THROUGH */ | |
79072805 | 520 | case 2: |
f86702cc | 521 | /* my_exit() was called */ |
2ae324a7 | 522 | while (scopestack_ix > oldscope) |
523 | LEAVE; | |
8990e307 LW |
524 | curstash = defstash; |
525 | if (endav) | |
68dc0745 | 526 | call_list(oldscope, endav); |
54310121 | 527 | JMPENV_POP; |
f86702cc | 528 | return STATUS_NATIVE_EXPORT; |
79072805 | 529 | case 3: |
54310121 | 530 | JMPENV_POP; |
760ac839 | 531 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 532 | return 1; |
79072805 LW |
533 | } |
534 | ||
79072805 LW |
535 | sv_setpvn(linestr,"",0); |
536 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 537 | SAVEFREESV(sv); |
79072805 | 538 | init_main_stash(); |
54310121 | 539 | |
33b78306 | 540 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
541 | if (argv[0][0] != '-' || !argv[0][1]) |
542 | break; | |
13281fa4 LW |
543 | #ifdef DOSUID |
544 | if (*validarg) | |
545 | validarg = " PHOOEY "; | |
546 | else | |
547 | validarg = argv[0]; | |
548 | #endif | |
549 | s = argv[0]+1; | |
8d063cd8 | 550 | reswitch: |
13281fa4 | 551 | switch (*s) { |
27e2fb84 | 552 | case '0': |
2304df62 | 553 | case 'F': |
378cc40b | 554 | case 'a': |
33b78306 | 555 | case 'c': |
a687059c | 556 | case 'd': |
8d063cd8 | 557 | case 'D': |
4633a7c4 | 558 | case 'h': |
33b78306 | 559 | case 'i': |
fe14fcc3 | 560 | case 'l': |
1a30305b | 561 | case 'M': |
562 | case 'm': | |
33b78306 LW |
563 | case 'n': |
564 | case 'p': | |
79072805 | 565 | case 's': |
33b78306 LW |
566 | case 'u': |
567 | case 'U': | |
568 | case 'v': | |
569 | case 'w': | |
570 | if (s = moreswitches(s)) | |
571 | goto reswitch; | |
8d063cd8 | 572 | break; |
33b78306 | 573 | |
f86702cc | 574 | case 'T': |
575 | tainting = TRUE; | |
576 | s++; | |
577 | goto reswitch; | |
578 | ||
8d063cd8 | 579 | case 'e': |
a687059c | 580 | if (euid != uid || egid != gid) |
463ee0b2 | 581 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 582 | if (!e_fp) { |
a0d0e21e | 583 | e_tmpname = savepv(TMPPATH); |
a687059c | 584 | (void)mktemp(e_tmpname); |
83025b21 | 585 | if (!*e_tmpname) |
463ee0b2 | 586 | croak("Can't mktemp()"); |
760ac839 | 587 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 588 | if (!e_fp) |
463ee0b2 | 589 | croak("Cannot open temporary file"); |
8d063cd8 | 590 | } |
552a7a9b | 591 | if (*++s) |
592 | PerlIO_puts(e_fp,s); | |
593 | else if (argv[1]) { | |
760ac839 | 594 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
595 | argc--,argv++; |
596 | } | |
552a7a9b | 597 | else |
598 | croak("No code specified for -e"); | |
760ac839 | 599 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 LW |
600 | break; |
601 | case 'I': | |
bbce6d69 | 602 | forbid_setid("-I"); |
79072805 LW |
603 | sv_catpv(sv,"-"); |
604 | sv_catpv(sv,s); | |
605 | sv_catpv(sv," "); | |
a687059c | 606 | if (*++s) { |
774d564b | 607 | incpush(s, TRUE); |
378cc40b | 608 | } |
33b78306 | 609 | else if (argv[1]) { |
774d564b | 610 | incpush(argv[1], TRUE); |
79072805 | 611 | sv_catpv(sv,argv[1]); |
8d063cd8 | 612 | argc--,argv++; |
79072805 | 613 | sv_catpv(sv," "); |
8d063cd8 LW |
614 | } |
615 | break; | |
8d063cd8 | 616 | case 'P': |
bbce6d69 | 617 | forbid_setid("-P"); |
8d063cd8 | 618 | preprocess = TRUE; |
13281fa4 | 619 | s++; |
8d063cd8 | 620 | goto reswitch; |
378cc40b | 621 | case 'S': |
bbce6d69 | 622 | forbid_setid("-S"); |
378cc40b | 623 | dosearch = TRUE; |
13281fa4 | 624 | s++; |
378cc40b | 625 | goto reswitch; |
1a30305b | 626 | case 'V': |
627 | if (!preambleav) | |
628 | preambleav = newAV(); | |
629 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
630 | if (*++s != ':') { | |
6e72f9df | 631 | Sv = newSVpv("print myconfig();",0); |
632 | #ifdef VMS | |
633 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
634 | #else | |
635 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
636 | #endif | |
54310121 | 637 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 638 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 639 | # ifdef DEBUGGING |
46fc3d4c | 640 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 641 | # endif |
54310121 | 642 | # ifdef NO_EMBED |
46fc3d4c | 643 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 644 | # endif |
645 | # ifdef MULTIPLICITY | |
46fc3d4c | 646 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 647 | # endif |
46fc3d4c | 648 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 649 | #endif |
650 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 651 | if (LOCAL_PATCH_COUNT > 0) { |
652 | int i; | |
5cd24f17 | 653 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 654 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 655 | if (localpatches[i]) |
656 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 657 | } |
658 | } | |
659 | #endif | |
46fc3d4c | 660 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 661 | #ifdef __DATE__ |
662 | # ifdef __TIME__ | |
46fc3d4c | 663 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 664 | # else |
46fc3d4c | 665 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 666 | # endif |
6e72f9df | 667 | #endif |
54310121 | 668 | sv_catpv(Sv, "; \ |
669 | $\"=\"\\n \"; \ | |
670 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
671 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
672 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 673 | } |
674 | else { | |
675 | Sv = newSVpv("config_vars(qw(",0); | |
676 | sv_catpv(Sv, ++s); | |
677 | sv_catpv(Sv, "))"); | |
678 | s += strlen(s); | |
679 | } | |
680 | av_push(preambleav, Sv); | |
c07a80fd | 681 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 682 | goto reswitch; |
33b78306 LW |
683 | case 'x': |
684 | doextract = TRUE; | |
13281fa4 | 685 | s++; |
33b78306 | 686 | if (*s) |
a0d0e21e | 687 | cddir = savepv(s); |
33b78306 | 688 | break; |
8d063cd8 LW |
689 | case '-': |
690 | argc--,argv++; | |
691 | goto switch_end; | |
692 | case 0: | |
693 | break; | |
694 | default: | |
463ee0b2 | 695 | croak("Unrecognized switch: -%s",s); |
8d063cd8 LW |
696 | } |
697 | } | |
698 | switch_end: | |
54310121 | 699 | |
700 | if (!tainting && (s = getenv("PERL5OPT"))) { | |
701 | for (;;) { | |
702 | while (isSPACE(*s)) | |
703 | s++; | |
704 | if (*s == '-') { | |
705 | s++; | |
706 | if (isSPACE(*s)) | |
707 | continue; | |
708 | } | |
709 | if (!*s) | |
710 | break; | |
711 | if (!strchr("DIMUdmw", *s)) | |
712 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
713 | s = moreswitches(s); | |
714 | } | |
715 | } | |
716 | ||
1a30305b | 717 | if (!scriptname) |
718 | scriptname = argv[0]; | |
8d063cd8 | 719 | if (e_fp) { |
68dc0745 | 720 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
721 | #ifndef MULTIPLICITY | |
722 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
723 | #endif | |
2304df62 | 724 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 725 | } |
ab821d7f | 726 | e_fp = Nullfp; |
8d063cd8 | 727 | argc++,argv--; |
45d8adaa | 728 | scriptname = e_tmpname; |
8d063cd8 | 729 | } |
79072805 LW |
730 | else if (scriptname == Nullch) { |
731 | #ifdef MSDOS | |
760ac839 | 732 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 733 | moreswitches("h"); |
fe14fcc3 | 734 | #endif |
79072805 LW |
735 | scriptname = "-"; |
736 | } | |
fe14fcc3 | 737 | |
79072805 | 738 | init_perllib(); |
8d063cd8 | 739 | |
79072805 | 740 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 741 | |
96436eeb | 742 | validate_suid(validarg, scriptname); |
378cc40b | 743 | |
79072805 LW |
744 | if (doextract) |
745 | find_beginning(); | |
746 | ||
4fdae800 | 747 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 748 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 749 | CvUNIQUE_on(compcv); |
748a9306 | 750 | |
6e72f9df | 751 | comppad = newAV(); |
79072805 LW |
752 | av_push(comppad, Nullsv); |
753 | curpad = AvARRAY(comppad); | |
6e72f9df | 754 | comppad_name = newAV(); |
8990e307 LW |
755 | comppad_name_fill = 0; |
756 | min_intro_pending = 0; | |
79072805 LW |
757 | padix = 0; |
758 | ||
748a9306 LW |
759 | comppadlist = newAV(); |
760 | AvREAL_off(comppadlist); | |
8e07c86e AD |
761 | av_store(comppadlist, 0, (SV*)comppad_name); |
762 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
763 | CvPADLIST(compcv) = comppadlist; |
764 | ||
6e72f9df | 765 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
766 | if (xsinit) |
767 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
748a9306 LW |
768 | #ifdef VMS |
769 | init_os_extras(); | |
770 | #endif | |
93a17b20 | 771 | |
93a17b20 | 772 | init_predump_symbols(); |
8990e307 LW |
773 | if (!do_undump) |
774 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 775 | |
79072805 LW |
776 | init_lexer(); |
777 | ||
778 | /* now parse the script */ | |
779 | ||
780 | error_count = 0; | |
781 | if (yyparse() || error_count) { | |
782 | if (minus_c) | |
463ee0b2 | 783 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 784 | else { |
463ee0b2 | 785 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 786 | origfilename); |
378cc40b | 787 | } |
79072805 LW |
788 | } |
789 | curcop->cop_line = 0; | |
790 | curstash = defstash; | |
791 | preprocess = FALSE; | |
ab821d7f | 792 | if (e_tmpname) { |
79072805 | 793 | (void)UNLINK(e_tmpname); |
ab821d7f | 794 | Safefree(e_tmpname); |
795 | e_tmpname = Nullch; | |
378cc40b | 796 | } |
a687059c | 797 | |
93a17b20 | 798 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 799 | SvREFCNT_dec(rs); |
800 | rs = SvREFCNT_inc(nrs); | |
801 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); | |
45d8adaa | 802 | |
79072805 LW |
803 | if (do_undump) |
804 | my_unexec(); | |
805 | ||
8990e307 LW |
806 | if (dowarn) |
807 | gv_check(defstash); | |
808 | ||
a0d0e21e LW |
809 | LEAVE; |
810 | FREETMPS; | |
c07a80fd | 811 | |
812 | #ifdef DEBUGGING_MSTATS | |
813 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
814 | dump_mstats("after compilation:"); | |
815 | #endif | |
816 | ||
a0d0e21e LW |
817 | ENTER; |
818 | restartop = 0; | |
54310121 | 819 | JMPENV_POP; |
79072805 LW |
820 | return 0; |
821 | } | |
822 | ||
823 | int | |
824 | perl_run(sv_interp) | |
93a17b20 | 825 | PerlInterpreter *sv_interp; |
79072805 | 826 | { |
2ae324a7 | 827 | I32 oldscope; |
22921e25 CS |
828 | dJMPENV; |
829 | int ret; | |
2ae324a7 | 830 | |
79072805 LW |
831 | if (!(curinterp = sv_interp)) |
832 | return 255; | |
2ae324a7 | 833 | |
834 | oldscope = scopestack_ix; | |
835 | ||
22921e25 CS |
836 | JMPENV_PUSH(ret); |
837 | switch (ret) { | |
79072805 LW |
838 | case 1: |
839 | cxstack_ix = -1; /* start context stack again */ | |
840 | break; | |
841 | case 2: | |
f86702cc | 842 | /* my_exit() was called */ |
2ae324a7 | 843 | while (scopestack_ix > oldscope) |
844 | LEAVE; | |
79072805 | 845 | curstash = defstash; |
93a17b20 | 846 | if (endav) |
68dc0745 | 847 | call_list(oldscope, endav); |
a0d0e21e | 848 | FREETMPS; |
c07a80fd | 849 | #ifdef DEBUGGING_MSTATS |
850 | if (getenv("PERL_DEBUG_MSTATS")) | |
851 | dump_mstats("after execution: "); | |
852 | #endif | |
54310121 | 853 | JMPENV_POP; |
f86702cc | 854 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
855 | case 3: |
856 | if (!restartop) { | |
760ac839 | 857 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 858 | FREETMPS; |
54310121 | 859 | JMPENV_POP; |
8990e307 | 860 | return 1; |
83025b21 | 861 | } |
6e72f9df | 862 | if (curstack != mainstack) { |
79072805 | 863 | dSP; |
6e72f9df | 864 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
865 | } |
866 | break; | |
8d063cd8 | 867 | } |
79072805 | 868 | |
760ac839 | 869 | DEBUG_r(PerlIO_printf(PerlIO_stderr(), "%s $` $& $' support.\n", |
6e72f9df | 870 | sawampersand ? "Enabling" : "Omitting")); |
871 | ||
79072805 LW |
872 | if (!restartop) { |
873 | DEBUG_x(dump_all()); | |
760ac839 | 874 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
79072805 LW |
875 | |
876 | if (minus_c) { | |
760ac839 | 877 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
878 | my_exit(0); |
879 | } | |
a0d0e21e LW |
880 | if (perldb && DBsingle) |
881 | sv_setiv(DBsingle, 1); | |
45d8adaa | 882 | } |
79072805 LW |
883 | |
884 | /* do it */ | |
885 | ||
886 | if (restartop) { | |
887 | op = restartop; | |
888 | restartop = 0; | |
ab821d7f | 889 | runops(); |
79072805 LW |
890 | } |
891 | else if (main_start) { | |
4fdae800 | 892 | CvDEPTH(main_cv) = 1; |
79072805 | 893 | op = main_start; |
ab821d7f | 894 | runops(); |
79072805 | 895 | } |
79072805 LW |
896 | |
897 | my_exit(0); | |
54310121 | 898 | /* NOTREACHED */ |
a0d0e21e | 899 | return 0; |
79072805 LW |
900 | } |
901 | ||
a0d0e21e LW |
902 | SV* |
903 | perl_get_sv(name, create) | |
904 | char* name; | |
905 | I32 create; | |
906 | { | |
907 | GV* gv = gv_fetchpv(name, create, SVt_PV); | |
908 | if (gv) | |
909 | return GvSV(gv); | |
910 | return Nullsv; | |
911 | } | |
912 | ||
913 | AV* | |
914 | perl_get_av(name, create) | |
915 | char* name; | |
916 | I32 create; | |
917 | { | |
918 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
919 | if (create) | |
920 | return GvAVn(gv); | |
921 | if (gv) | |
922 | return GvAV(gv); | |
923 | return Nullav; | |
924 | } | |
925 | ||
926 | HV* | |
927 | perl_get_hv(name, create) | |
928 | char* name; | |
929 | I32 create; | |
930 | { | |
931 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
932 | if (create) | |
933 | return GvHVn(gv); | |
934 | if (gv) | |
935 | return GvHV(gv); | |
936 | return Nullhv; | |
937 | } | |
938 | ||
939 | CV* | |
940 | perl_get_cv(name, create) | |
941 | char* name; | |
942 | I32 create; | |
943 | { | |
944 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 945 | if (create && !GvCVu(gv)) |
774d564b | 946 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 947 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 948 | Nullop, |
a0d0e21e LW |
949 | Nullop); |
950 | if (gv) | |
8ebc5c01 | 951 | return GvCVu(gv); |
a0d0e21e LW |
952 | return Nullcv; |
953 | } | |
954 | ||
79072805 LW |
955 | /* Be sure to refetch the stack pointer after calling these routines. */ |
956 | ||
a0d0e21e LW |
957 | I32 |
958 | perl_call_argv(subname, flags, argv) | |
8990e307 | 959 | char *subname; |
a0d0e21e LW |
960 | I32 flags; /* See G_* flags in cop.h */ |
961 | register char **argv; /* null terminated arg list */ | |
8990e307 | 962 | { |
a0d0e21e | 963 | dSP; |
8990e307 | 964 | |
a0d0e21e LW |
965 | PUSHMARK(sp); |
966 | if (argv) { | |
8990e307 | 967 | while (*argv) { |
a0d0e21e | 968 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
969 | argv++; |
970 | } | |
a0d0e21e | 971 | PUTBACK; |
8990e307 | 972 | } |
a0d0e21e | 973 | return perl_call_pv(subname, flags); |
8990e307 LW |
974 | } |
975 | ||
a0d0e21e LW |
976 | I32 |
977 | perl_call_pv(subname, flags) | |
978 | char *subname; /* name of the subroutine */ | |
979 | I32 flags; /* See G_* flags in cop.h */ | |
980 | { | |
981 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
982 | } | |
983 | ||
984 | I32 | |
985 | perl_call_method(methname, flags) | |
986 | char *methname; /* name of the subroutine */ | |
987 | I32 flags; /* See G_* flags in cop.h */ | |
988 | { | |
989 | dSP; | |
990 | OP myop; | |
991 | if (!op) | |
992 | op = &myop; | |
993 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
994 | PUTBACK; | |
995 | pp_method(); | |
996 | return perl_call_sv(*stack_sp--, flags); | |
997 | } | |
998 | ||
999 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1000 | I32 | |
1001 | perl_call_sv(sv, flags) | |
1002 | SV* sv; | |
1003 | I32 flags; /* See G_* flags in cop.h */ | |
1004 | { | |
1005 | LOGOP myop; /* fake syntax tree node */ | |
1006 | SV** sp = stack_sp; | |
aa689395 | 1007 | I32 oldmark; |
a0d0e21e | 1008 | I32 retval; |
a0d0e21e | 1009 | I32 oldscope; |
6e72f9df | 1010 | static CV *DBcv; |
54310121 | 1011 | bool oldcatch = CATCH_GET; |
1012 | dJMPENV; | |
22921e25 | 1013 | int ret; |
1e422769 | 1014 | |
a0d0e21e LW |
1015 | if (flags & G_DISCARD) { |
1016 | ENTER; | |
1017 | SAVETMPS; | |
1018 | } | |
1019 | ||
aa689395 | 1020 | Zero(&myop, 1, LOGOP); |
54310121 | 1021 | myop.op_next = Nullop; |
f51d4af5 | 1022 | if (!(flags & G_NOARGS)) |
aa689395 | 1023 | myop.op_flags |= OPf_STACKED; |
54310121 | 1024 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1025 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1026 | OPf_WANT_SCALAR); | |
a0d0e21e LW |
1027 | SAVESPTR(op); |
1028 | op = (OP*)&myop; | |
aa689395 | 1029 | |
a0d0e21e LW |
1030 | EXTEND(stack_sp, 1); |
1031 | *++stack_sp = sv; | |
aa689395 | 1032 | oldmark = TOPMARK; |
a0d0e21e LW |
1033 | oldscope = scopestack_ix; |
1034 | ||
36477c24 | 1035 | if (perldb && curstash != debstash |
1036 | /* Handle first BEGIN of -d. */ | |
1037 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1038 | /* Try harder, since this may have been a sighandler, thus | |
1039 | * curstash may be meaningless. */ | |
1040 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1041 | op->op_private |= OPpENTERSUB_DB; |
1042 | ||
a0d0e21e | 1043 | if (flags & G_EVAL) { |
a0d0e21e LW |
1044 | cLOGOP->op_other = op; |
1045 | markstack_ptr--; | |
4633a7c4 LW |
1046 | /* we're trying to emulate pp_entertry() here */ |
1047 | { | |
1048 | register CONTEXT *cx; | |
54310121 | 1049 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1050 | |
1051 | ENTER; | |
1052 | SAVETMPS; | |
1053 | ||
1054 | push_return(op->op_next); | |
1055 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1056 | PUSHEVAL(cx, 0, 0); | |
1057 | eval_root = op; /* Only needed so that goto works right. */ | |
1058 | ||
1059 | in_eval = 1; | |
1060 | if (flags & G_KEEPERR) | |
1061 | in_eval |= 4; | |
1062 | else | |
1063 | sv_setpv(GvSV(errgv),""); | |
1064 | } | |
a0d0e21e LW |
1065 | markstack_ptr++; |
1066 | ||
22921e25 CS |
1067 | JMPENV_PUSH(ret); |
1068 | switch (ret) { | |
a0d0e21e LW |
1069 | case 0: |
1070 | break; | |
1071 | case 1: | |
f86702cc | 1072 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1073 | /* FALL THROUGH */ |
1074 | case 2: | |
1075 | /* my_exit() was called */ | |
1076 | curstash = defstash; | |
1077 | FREETMPS; | |
54310121 | 1078 | JMPENV_POP; |
a0d0e21e LW |
1079 | if (statusvalue) |
1080 | croak("Callback called exit"); | |
f86702cc | 1081 | my_exit_jump(); |
a0d0e21e LW |
1082 | /* NOTREACHED */ |
1083 | case 3: | |
1084 | if (restartop) { | |
1085 | op = restartop; | |
1086 | restartop = 0; | |
54310121 | 1087 | break; |
a0d0e21e LW |
1088 | } |
1089 | stack_sp = stack_base + oldmark; | |
1090 | if (flags & G_ARRAY) | |
1091 | retval = 0; | |
1092 | else { | |
1093 | retval = 1; | |
1094 | *++stack_sp = &sv_undef; | |
1095 | } | |
1096 | goto cleanup; | |
1097 | } | |
1098 | } | |
1e422769 | 1099 | else |
54310121 | 1100 | CATCH_SET(TRUE); |
a0d0e21e LW |
1101 | |
1102 | if (op == (OP*)&myop) | |
1103 | op = pp_entersub(); | |
1104 | if (op) | |
ab821d7f | 1105 | runops(); |
a0d0e21e | 1106 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 LW |
1107 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
1108 | sv_setpv(GvSV(errgv),""); | |
a0d0e21e LW |
1109 | |
1110 | cleanup: | |
1111 | if (flags & G_EVAL) { | |
1112 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1113 | SV **newsp; |
1114 | PMOP *newpm; | |
1115 | I32 gimme; | |
1116 | register CONTEXT *cx; | |
1117 | I32 optype; | |
1118 | ||
1119 | POPBLOCK(cx,newpm); | |
1120 | POPEVAL(cx); | |
1121 | pop_return(); | |
1122 | curpm = newpm; | |
1123 | LEAVE; | |
a0d0e21e | 1124 | } |
54310121 | 1125 | JMPENV_POP; |
a0d0e21e | 1126 | } |
1e422769 | 1127 | else |
54310121 | 1128 | CATCH_SET(oldcatch); |
1e422769 | 1129 | |
a0d0e21e LW |
1130 | if (flags & G_DISCARD) { |
1131 | stack_sp = stack_base + oldmark; | |
1132 | retval = 0; | |
1133 | FREETMPS; | |
1134 | LEAVE; | |
1135 | } | |
1136 | return retval; | |
1137 | } | |
1138 | ||
6e72f9df | 1139 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1140 | |
a0d0e21e | 1141 | I32 |
4633a7c4 | 1142 | perl_eval_sv(sv, flags) |
8990e307 | 1143 | SV* sv; |
4633a7c4 | 1144 | I32 flags; /* See G_* flags in cop.h */ |
a0d0e21e LW |
1145 | { |
1146 | UNOP myop; /* fake syntax tree node */ | |
4633a7c4 LW |
1147 | SV** sp = stack_sp; |
1148 | I32 oldmark = sp - stack_base; | |
1149 | I32 retval; | |
4633a7c4 | 1150 | I32 oldscope; |
54310121 | 1151 | dJMPENV; |
22921e25 | 1152 | int ret; |
79072805 | 1153 | |
4633a7c4 LW |
1154 | if (flags & G_DISCARD) { |
1155 | ENTER; | |
1156 | SAVETMPS; | |
1157 | } | |
1158 | ||
79072805 | 1159 | SAVESPTR(op); |
79072805 | 1160 | op = (OP*)&myop; |
a0d0e21e | 1161 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1162 | EXTEND(stack_sp, 1); |
1163 | *++stack_sp = sv; | |
1164 | oldscope = scopestack_ix; | |
79072805 | 1165 | |
4633a7c4 LW |
1166 | if (!(flags & G_NOARGS)) |
1167 | myop.op_flags = OPf_STACKED; | |
79072805 | 1168 | myop.op_next = Nullop; |
6e72f9df | 1169 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1170 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1171 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1172 | OPf_WANT_SCALAR); | |
6e72f9df | 1173 | if (flags & G_KEEPERR) |
1174 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1175 | |
22921e25 CS |
1176 | JMPENV_PUSH(ret); |
1177 | switch (ret) { | |
4633a7c4 LW |
1178 | case 0: |
1179 | break; | |
1180 | case 1: | |
f86702cc | 1181 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1182 | /* FALL THROUGH */ |
1183 | case 2: | |
1184 | /* my_exit() was called */ | |
1185 | curstash = defstash; | |
1186 | FREETMPS; | |
54310121 | 1187 | JMPENV_POP; |
4633a7c4 LW |
1188 | if (statusvalue) |
1189 | croak("Callback called exit"); | |
f86702cc | 1190 | my_exit_jump(); |
4633a7c4 LW |
1191 | /* NOTREACHED */ |
1192 | case 3: | |
1193 | if (restartop) { | |
1194 | op = restartop; | |
1195 | restartop = 0; | |
54310121 | 1196 | break; |
4633a7c4 LW |
1197 | } |
1198 | stack_sp = stack_base + oldmark; | |
1199 | if (flags & G_ARRAY) | |
1200 | retval = 0; | |
1201 | else { | |
1202 | retval = 1; | |
1203 | *++stack_sp = &sv_undef; | |
1204 | } | |
1205 | goto cleanup; | |
1206 | } | |
1207 | ||
1208 | if (op == (OP*)&myop) | |
1209 | op = pp_entereval(); | |
1210 | if (op) | |
ab821d7f | 1211 | runops(); |
4633a7c4 | 1212 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1213 | if (!(flags & G_KEEPERR)) |
4633a7c4 LW |
1214 | sv_setpv(GvSV(errgv),""); |
1215 | ||
1216 | cleanup: | |
54310121 | 1217 | JMPENV_POP; |
4633a7c4 LW |
1218 | if (flags & G_DISCARD) { |
1219 | stack_sp = stack_base + oldmark; | |
1220 | retval = 0; | |
1221 | FREETMPS; | |
1222 | LEAVE; | |
1223 | } | |
1224 | return retval; | |
1225 | } | |
1226 | ||
137443ea | 1227 | SV* |
1228 | perl_eval_pv(p, croak_on_error) | |
1229 | char* p; | |
1230 | I32 croak_on_error; | |
1231 | { | |
1232 | dSP; | |
1233 | SV* sv = newSVpv(p, 0); | |
1234 | ||
1235 | PUSHMARK(sp); | |
1236 | perl_eval_sv(sv, G_SCALAR); | |
1237 | SvREFCNT_dec(sv); | |
1238 | ||
1239 | SPAGAIN; | |
1240 | sv = POPs; | |
1241 | PUTBACK; | |
1242 | ||
1243 | if (croak_on_error && SvTRUE(GvSV(errgv))) | |
1244 | croak(SvPVx(GvSV(errgv), na)); | |
1245 | ||
1246 | return sv; | |
1247 | } | |
1248 | ||
4633a7c4 LW |
1249 | /* Require a module. */ |
1250 | ||
1251 | void | |
1252 | perl_require_pv(pv) | |
1253 | char* pv; | |
1254 | { | |
1255 | SV* sv = sv_newmortal(); | |
1256 | sv_setpv(sv, "require '"); | |
1257 | sv_catpv(sv, pv); | |
1258 | sv_catpv(sv, "'"); | |
1259 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1260 | } |
1261 | ||
79072805 | 1262 | void |
79072805 LW |
1263 | magicname(sym,name,namlen) |
1264 | char *sym; | |
1265 | char *name; | |
1266 | I32 namlen; | |
1267 | { | |
1268 | register GV *gv; | |
1269 | ||
85e6fe83 | 1270 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1271 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1272 | } | |
1273 | ||
ab821d7f | 1274 | static void |
1a30305b | 1275 | usage(name) /* XXX move this out into a module ? */ |
4633a7c4 LW |
1276 | char *name; |
1277 | { | |
ab821d7f | 1278 | /* This message really ought to be max 23 lines. |
1279 | * Removed -h because the user already knows that opton. Others? */ | |
1280 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); | |
4633a7c4 | 1281 | printf("\n -0[octal] specify record separator (\\0, if no argument)"); |
ab821d7f | 1282 | printf("\n -a autosplit mode with -n or -p (splits $_ into @F)"); |
4633a7c4 | 1283 | printf("\n -c check syntax only (runs BEGIN and END blocks)"); |
1a30305b | 1284 | printf("\n -d[:debugger] run scripts under debugger"); |
4633a7c4 | 1285 | printf("\n -D[number/list] set debugging flags (argument is a bit mask or flags)"); |
ab821d7f | 1286 | printf("\n -e 'command' one line of script. Several -e's allowed. Omit [programfile]."); |
1287 | printf("\n -F/pattern/ split() pattern for autosplit (-a). The //'s are optional."); | |
4633a7c4 | 1288 | printf("\n -i[extension] edit <> files in place (make backup if extension supplied)"); |
ab821d7f | 1289 | printf("\n -Idirectory specify @INC/#include directory (may be used more then once)"); |
4633a7c4 | 1290 | printf("\n -l[octal] enable line ending processing, specifies line teminator"); |
ab821d7f | 1291 | printf("\n -[mM][-]module.. executes `use/no module...' before executing your script."); |
4633a7c4 LW |
1292 | printf("\n -n assume 'while (<>) { ... }' loop arround your script"); |
1293 | printf("\n -p assume loop like -n but print line also like sed"); | |
1294 | printf("\n -P run script through C preprocessor before compilation"); | |
4633a7c4 LW |
1295 | printf("\n -s enable some switch parsing for switches after script name"); |
1296 | printf("\n -S look for the script using PATH environment variable"); | |
1297 | printf("\n -T turn on tainting checks"); | |
1298 | printf("\n -u dump core after parsing script"); | |
1299 | printf("\n -U allow unsafe operations"); | |
1300 | printf("\n -v print version number and patchlevel of perl"); | |
1a30305b | 1301 | printf("\n -V[:variable] print perl configuration information"); |
ab821d7f | 1302 | printf("\n -w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT."); |
4633a7c4 LW |
1303 | printf("\n -x[directory] strip off text before #!perl line and perhaps cd to directory\n"); |
1304 | } | |
1305 | ||
79072805 LW |
1306 | /* This routine handles any switches that can be given during run */ |
1307 | ||
1308 | char * | |
1309 | moreswitches(s) | |
1310 | char *s; | |
1311 | { | |
1312 | I32 numlen; | |
c07a80fd | 1313 | U32 rschar; |
79072805 LW |
1314 | |
1315 | switch (*s) { | |
1316 | case '0': | |
c07a80fd | 1317 | rschar = scan_oct(s, 4, &numlen); |
1318 | SvREFCNT_dec(nrs); | |
1319 | if (rschar & ~((U8)~0)) | |
1320 | nrs = &sv_undef; | |
1321 | else if (!rschar && numlen >= 2) | |
1322 | nrs = newSVpv("", 0); | |
1323 | else { | |
1324 | char ch = rschar; | |
1325 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1326 | } |
1327 | return s + numlen; | |
2304df62 AD |
1328 | case 'F': |
1329 | minus_F = TRUE; | |
a0d0e21e | 1330 | splitstr = savepv(s + 1); |
2304df62 AD |
1331 | s += strlen(s); |
1332 | return s; | |
79072805 LW |
1333 | case 'a': |
1334 | minus_a = TRUE; | |
1335 | s++; | |
1336 | return s; | |
1337 | case 'c': | |
1338 | minus_c = TRUE; | |
1339 | s++; | |
1340 | return s; | |
1341 | case 'd': | |
bbce6d69 | 1342 | forbid_setid("-d"); |
4633a7c4 | 1343 | s++; |
c07a80fd | 1344 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1345 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1346 | s += strlen(s); |
4633a7c4 | 1347 | } |
a0d0e21e LW |
1348 | if (!perldb) { |
1349 | perldb = TRUE; | |
1350 | init_debugger(); | |
1351 | } | |
79072805 LW |
1352 | return s; |
1353 | case 'D': | |
1354 | #ifdef DEBUGGING | |
bbce6d69 | 1355 | forbid_setid("-D"); |
79072805 | 1356 | if (isALPHA(s[1])) { |
8990e307 | 1357 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1358 | char *d; |
1359 | ||
93a17b20 | 1360 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1361 | debug |= 1 << (d - debopts); |
1362 | } | |
1363 | else { | |
1364 | debug = atoi(s+1); | |
1365 | for (s++; isDIGIT(*s); s++) ; | |
1366 | } | |
8990e307 | 1367 | debug |= 0x80000000; |
79072805 LW |
1368 | #else |
1369 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1370 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1371 | #endif |
1372 | /*SUPPRESS 530*/ | |
1373 | return s; | |
4633a7c4 LW |
1374 | case 'h': |
1375 | usage(origargv[0]); | |
1376 | exit(0); | |
79072805 LW |
1377 | case 'i': |
1378 | if (inplace) | |
1379 | Safefree(inplace); | |
a0d0e21e | 1380 | inplace = savepv(s+1); |
79072805 LW |
1381 | /*SUPPRESS 530*/ |
1382 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
1383 | *s = '\0'; | |
1384 | break; | |
1385 | case 'I': | |
bbce6d69 | 1386 | forbid_setid("-I"); |
79072805 | 1387 | if (*++s) { |
774d564b | 1388 | char *e, *p; |
748a9306 | 1389 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1390 | p = savepvn(s, e-s); |
1391 | incpush(p, TRUE); | |
1392 | Safefree(p); | |
748a9306 LW |
1393 | if (*e) |
1394 | return e; | |
79072805 LW |
1395 | } |
1396 | else | |
463ee0b2 | 1397 | croak("No space allowed after -I"); |
79072805 LW |
1398 | break; |
1399 | case 'l': | |
1400 | minus_l = TRUE; | |
1401 | s++; | |
a0d0e21e LW |
1402 | if (ors) |
1403 | Safefree(ors); | |
79072805 | 1404 | if (isDIGIT(*s)) { |
a0d0e21e | 1405 | ors = savepv("\n"); |
79072805 LW |
1406 | orslen = 1; |
1407 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1408 | s += numlen; | |
1409 | } | |
1410 | else { | |
c07a80fd | 1411 | if (RsPARA(nrs)) { |
6e72f9df | 1412 | ors = "\n\n"; |
c07a80fd | 1413 | orslen = 2; |
1414 | } | |
1415 | else | |
1416 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1417 | ors = savepvn(ors, orslen); |
79072805 LW |
1418 | } |
1419 | return s; | |
1a30305b | 1420 | case 'M': |
bbce6d69 | 1421 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1422 | /* FALL THROUGH */ |
1423 | case 'm': | |
bbce6d69 | 1424 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1425 | if (*++s) { |
a5f75d66 AD |
1426 | char *start; |
1427 | char *use = "use "; | |
1428 | /* -M-foo == 'no foo' */ | |
1429 | if (*s == '-') { use = "no "; ++s; } | |
1430 | Sv = newSVpv(use,0); | |
1431 | start = s; | |
1a30305b | 1432 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1433 | while(isALNUM(*s) || *s==':') ++s; |
1434 | if (*s != '=') { | |
1435 | sv_catpv(Sv, start); | |
1436 | if (*(start-1) == 'm') { | |
1437 | if (*s != '\0') | |
1438 | croak("Can't use '%c' after -mname", *s); | |
1439 | sv_catpv( Sv, " ()"); | |
1440 | } | |
1441 | } else { | |
1442 | sv_catpvn(Sv, start, s-start); | |
a5f75d66 | 1443 | sv_catpv(Sv, " split(/,/,q{"); |
c07a80fd | 1444 | sv_catpv(Sv, ++s); |
a5f75d66 | 1445 | sv_catpv(Sv, "})"); |
c07a80fd | 1446 | } |
1a30305b | 1447 | s += strlen(s); |
c07a80fd | 1448 | if (preambleav == NULL) |
1449 | preambleav = newAV(); | |
1450 | av_push(preambleav, Sv); | |
1a30305b | 1451 | } |
1452 | else | |
1453 | croak("No space allowed after -%c", *(s-1)); | |
1454 | return s; | |
79072805 LW |
1455 | case 'n': |
1456 | minus_n = TRUE; | |
1457 | s++; | |
1458 | return s; | |
1459 | case 'p': | |
1460 | minus_p = TRUE; | |
1461 | s++; | |
1462 | return s; | |
1463 | case 's': | |
bbce6d69 | 1464 | forbid_setid("-s"); |
79072805 LW |
1465 | doswitches = TRUE; |
1466 | s++; | |
1467 | return s; | |
463ee0b2 | 1468 | case 'T': |
f86702cc | 1469 | if (!tainting) |
9607fc9c | 1470 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1471 | s++; |
1472 | return s; | |
79072805 LW |
1473 | case 'u': |
1474 | do_undump = TRUE; | |
1475 | s++; | |
1476 | return s; | |
1477 | case 'U': | |
1478 | unsafe = TRUE; | |
1479 | s++; | |
1480 | return s; | |
1481 | case 'v': | |
a5f75d66 AD |
1482 | #if defined(SUBVERSION) && SUBVERSION > 0 |
1483 | printf("\nThis is perl, version 5.%03d_%02d", PATCHLEVEL, SUBVERSION); | |
1484 | #else | |
1485 | printf("\nThis is perl, version %s",patchlevel); | |
1486 | #endif | |
1a30305b | 1487 | |
44a8e56a | 1488 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1489 | #ifdef MSDOS |
55497cff | 1490 | printf("\n\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
1491 | #endif | |
1492 | #ifdef DJGPP | |
1493 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4633a7c4 | 1494 | #endif |
79072805 | 1495 | #ifdef OS2 |
5dd60ef7 | 1496 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c | 1497 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1498 | #endif |
79072805 | 1499 | #ifdef atarist |
760ac839 | 1500 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1501 | #endif |
760ac839 | 1502 | printf("\n\ |
79072805 | 1503 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1504 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 LW |
1505 | exit(0); |
1506 | case 'w': | |
1507 | dowarn = TRUE; | |
1508 | s++; | |
1509 | return s; | |
a0d0e21e | 1510 | case '*': |
79072805 LW |
1511 | case ' ': |
1512 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1513 | return s+2; | |
1514 | break; | |
a0d0e21e | 1515 | case '-': |
79072805 LW |
1516 | case 0: |
1517 | case '\n': | |
1518 | case '\t': | |
1519 | break; | |
aa689395 | 1520 | #ifdef ALTERNATE_SHEBANG |
1521 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1522 | break; | |
1523 | #endif | |
a0d0e21e LW |
1524 | case 'P': |
1525 | if (preprocess) | |
1526 | return s+1; | |
1527 | /* FALL THROUGH */ | |
79072805 | 1528 | default: |
a0d0e21e | 1529 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1530 | } |
1531 | return Nullch; | |
1532 | } | |
1533 | ||
1534 | /* compliments of Tom Christiansen */ | |
1535 | ||
1536 | /* unexec() can be found in the Gnu emacs distribution */ | |
1537 | ||
1538 | void | |
1539 | my_unexec() | |
1540 | { | |
1541 | #ifdef UNEXEC | |
46fc3d4c | 1542 | SV* prog; |
1543 | SV* file; | |
79072805 LW |
1544 | int status; |
1545 | extern int etext; | |
1546 | ||
46fc3d4c | 1547 | prog = newSVpv(BIN_EXP); |
1548 | sv_catpv(prog, "/perl"); | |
1549 | file = newSVpv(origfilename); | |
1550 | sv_catpv(file, ".perldump"); | |
79072805 | 1551 | |
46fc3d4c | 1552 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1553 | if (status) |
46fc3d4c | 1554 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1555 | SvPVX(prog), SvPVX(file)); | |
a0d0e21e | 1556 | exit(status); |
79072805 | 1557 | #else |
a5f75d66 AD |
1558 | # ifdef VMS |
1559 | # include <lib$routines.h> | |
1560 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1561 | # else |
79072805 | 1562 | ABORT(); /* for use with undump */ |
aa689395 | 1563 | # endif |
a5f75d66 | 1564 | #endif |
79072805 LW |
1565 | } |
1566 | ||
1567 | static void | |
1568 | init_main_stash() | |
1569 | { | |
463ee0b2 | 1570 | GV *gv; |
6e72f9df | 1571 | |
1572 | /* Note that strtab is a rather special HV. Assumptions are made | |
1573 | about not iterating on it, and not adding tie magic to it. | |
1574 | It is properly deallocated in perl_destruct() */ | |
1575 | strtab = newHV(); | |
1576 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1577 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1578 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1579 | ||
463ee0b2 | 1580 | curstash = defstash = newHV(); |
79072805 | 1581 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1582 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1583 | SvREFCNT_dec(GvHV(gv)); | |
1584 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1585 | SvREADONLY_on(gv); |
a0d0e21e | 1586 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1587 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1588 | GvMULTI_on(incgv); |
a0d0e21e | 1589 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
4633a7c4 | 1590 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
a5f75d66 | 1591 | GvMULTI_on(errgv); |
552a7a9b | 1592 | sv_setpvn(GvSV(errgv), "", 0); |
8990e307 LW |
1593 | curstash = defstash; |
1594 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1595 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1596 | /* We must init $/ before switches are processed. */ |
1597 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1598 | } |
1599 | ||
a0d0e21e LW |
1600 | #ifdef CAN_PROTOTYPE |
1601 | static void | |
1602 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1603 | #else | |
79072805 LW |
1604 | static void |
1605 | open_script(scriptname,dosearch,sv) | |
1606 | char *scriptname; | |
1607 | bool dosearch; | |
1608 | SV *sv; | |
a0d0e21e | 1609 | #endif |
79072805 LW |
1610 | { |
1611 | char *xfound = Nullch; | |
1612 | char *xfailed = Nullch; | |
1613 | register char *s; | |
1614 | I32 len; | |
a38d6535 LW |
1615 | int retval; |
1616 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
1617 | #define SEARCH_EXTS ".bat", ".cmd", NULL | |
1618 | #endif | |
ab821d7f | 1619 | #ifdef VMS |
1620 | # define SEARCH_EXTS ".pl", ".com", NULL | |
1621 | #endif | |
a38d6535 LW |
1622 | /* additional extensions to try in each dir if scriptname not found */ |
1623 | #ifdef SEARCH_EXTS | |
1624 | char *ext[] = { SEARCH_EXTS }; | |
1625 | int extidx = (strchr(scriptname,'.')) ? -1 : 0; /* has ext already */ | |
1626 | #endif | |
79072805 | 1627 | |
c07a80fd | 1628 | #ifdef VMS |
6e72f9df | 1629 | if (dosearch) { |
1630 | int hasdir, idx = 0, deftypes = 1; | |
1631 | ||
1632 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1633 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1634 | * already have, so we can check for default file types. */ | |
1635 | while (deftypes || (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) { | |
1636 | if (deftypes) { deftypes = 0; *tokenbuf = '\0'; } | |
c07a80fd | 1637 | strcat(tokenbuf,scriptname); |
1638 | #else /* !VMS */ | |
93a17b20 | 1639 | if (dosearch && !strchr(scriptname, '/') && (s = getenv("PATH"))) { |
79072805 LW |
1640 | |
1641 | bufend = s + strlen(s); | |
1642 | while (*s) { | |
1643 | #ifndef DOSISH | |
1644 | s = cpytill(tokenbuf,s,bufend,':',&len); | |
1645 | #else | |
1646 | #ifdef atarist | |
1647 | for (len = 0; *s && *s != ',' && *s != ';'; tokenbuf[len++] = *s++); | |
1648 | tokenbuf[len] = '\0'; | |
1649 | #else | |
1650 | for (len = 0; *s && *s != ';'; tokenbuf[len++] = *s++); | |
1651 | tokenbuf[len] = '\0'; | |
1652 | #endif | |
1653 | #endif | |
1654 | if (*s) | |
1655 | s++; | |
1656 | #ifndef DOSISH | |
1657 | if (len && tokenbuf[len-1] != '/') | |
1658 | #else | |
1659 | #ifdef atarist | |
1660 | if (len && ((tokenbuf[len-1] != '\\') && (tokenbuf[len-1] != '/'))) | |
1661 | #else | |
1662 | if (len && tokenbuf[len-1] != '\\') | |
1663 | #endif | |
1664 | #endif | |
1665 | (void)strcat(tokenbuf+len,"/"); | |
1666 | (void)strcat(tokenbuf+len,scriptname); | |
c07a80fd | 1667 | #endif /* !VMS */ |
a38d6535 LW |
1668 | |
1669 | #ifdef SEARCH_EXTS | |
1670 | len = strlen(tokenbuf); | |
1671 | if (extidx > 0) /* reset after previous loop */ | |
1672 | extidx = 0; | |
1673 | do { | |
1674 | #endif | |
760ac839 | 1675 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1676 | retval = Stat(tokenbuf,&statbuf); |
1677 | #ifdef SEARCH_EXTS | |
1678 | } while ( retval < 0 /* not there */ | |
1679 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1680 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1681 | ); | |
1682 | #endif | |
1683 | if (retval < 0) | |
79072805 LW |
1684 | continue; |
1685 | if (S_ISREG(statbuf.st_mode) | |
1686 | && cando(S_IRUSR,TRUE,&statbuf) && cando(S_IXUSR,TRUE,&statbuf)) { | |
1687 | xfound = tokenbuf; /* bingo! */ | |
1688 | break; | |
1689 | } | |
1690 | if (!xfailed) | |
a0d0e21e | 1691 | xfailed = savepv(tokenbuf); |
79072805 LW |
1692 | } |
1693 | if (!xfound) | |
463ee0b2 | 1694 | croak("Can't execute %s", xfailed ? xfailed : scriptname ); |
79072805 LW |
1695 | if (xfailed) |
1696 | Safefree(xfailed); | |
1697 | scriptname = xfound; | |
1698 | } | |
1699 | ||
96436eeb | 1700 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1701 | char *s = scriptname + 8; | |
1702 | fdscript = atoi(s); | |
1703 | while (isDIGIT(*s)) | |
1704 | s++; | |
1705 | if (*s) | |
1706 | scriptname = s + 1; | |
1707 | } | |
1708 | else | |
1709 | fdscript = -1; | |
ab821d7f | 1710 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1711 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1712 | if (strEQ(origfilename,"-")) | |
1713 | scriptname = ""; | |
96436eeb | 1714 | if (fdscript >= 0) { |
760ac839 | 1715 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 1716 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1717 | if (rsfp) |
1718 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1719 | #endif |
1720 | } | |
1721 | else if (preprocess) { | |
46fc3d4c | 1722 | char *cpp_cfg = CPPSTDIN; |
1723 | SV *cpp = NEWSV(0,0); | |
1724 | SV *cmd = NEWSV(0,0); | |
1725 | ||
1726 | if (strEQ(cpp_cfg, "cppstdin")) | |
1727 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1728 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1729 | |
79072805 | 1730 | sv_catpv(sv,"-I"); |
fed7345c | 1731 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1732 | |
79072805 | 1733 | #ifdef MSDOS |
46fc3d4c | 1734 | sv_setpvf(cmd, "\ |
79072805 LW |
1735 | sed %s -e \"/^[^#]/b\" \ |
1736 | -e \"/^#[ ]*include[ ]/b\" \ | |
1737 | -e \"/^#[ ]*define[ ]/b\" \ | |
1738 | -e \"/^#[ ]*if[ ]/b\" \ | |
1739 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1740 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1741 | -e \"/^#[ ]*else/b\" \ | |
1742 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1743 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1744 | -e \"/^#[ ]*endif/b\" \ | |
1745 | -e \"s/^#.*//\" \ | |
46fc3d4c | 1746 | %s | %S -C %S %s", |
79072805 LW |
1747 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
1748 | #else | |
46fc3d4c | 1749 | sv_setpvf(cmd, "\ |
79072805 LW |
1750 | %s %s -e '/^[^#]/b' \ |
1751 | -e '/^#[ ]*include[ ]/b' \ | |
1752 | -e '/^#[ ]*define[ ]/b' \ | |
1753 | -e '/^#[ ]*if[ ]/b' \ | |
1754 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1755 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1756 | -e '/^#[ ]*else/b' \ | |
1757 | -e '/^#[ ]*elif[ ]/b' \ | |
1758 | -e '/^#[ ]*undef[ ]/b' \ | |
1759 | -e '/^#[ ]*endif/b' \ | |
1760 | -e 's/^[ ]*#.*//' \ | |
46fc3d4c | 1761 | %s | %S -C %S %s", |
79072805 LW |
1762 | #ifdef LOC_SED |
1763 | LOC_SED, | |
1764 | #else | |
1765 | "sed", | |
1766 | #endif | |
1767 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
1768 | #endif | |
46fc3d4c | 1769 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
1770 | doextract = FALSE; |
1771 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
1772 | if (euid != uid && !euid) { /* if running suidperl */ | |
1773 | #ifdef HAS_SETEUID | |
1774 | (void)seteuid(uid); /* musn't stay setuid root */ | |
1775 | #else | |
1776 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1777 | (void)setreuid((Uid_t)-1, uid); |
1778 | #else | |
1779 | #ifdef HAS_SETRESUID | |
1780 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
1781 | #else |
1782 | setuid(uid); | |
1783 | #endif | |
1784 | #endif | |
85e6fe83 | 1785 | #endif |
79072805 | 1786 | if (geteuid() != uid) |
463ee0b2 | 1787 | croak("Can't do seteuid!\n"); |
79072805 LW |
1788 | } |
1789 | #endif /* IAMSUID */ | |
46fc3d4c | 1790 | rsfp = my_popen(SvPVX(cmd), "r"); |
1791 | SvREFCNT_dec(cmd); | |
1792 | SvREFCNT_dec(cpp); | |
79072805 LW |
1793 | } |
1794 | else if (!*scriptname) { | |
bbce6d69 | 1795 | forbid_setid("program input from stdin"); |
760ac839 | 1796 | rsfp = PerlIO_stdin(); |
79072805 | 1797 | } |
96436eeb | 1798 | else { |
760ac839 | 1799 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 1800 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1801 | if (rsfp) |
1802 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1803 | #endif |
1804 | } | |
5dd60ef7 | 1805 | if (e_tmpname) { |
1806 | e_fp = rsfp; | |
1807 | } | |
7aa04957 | 1808 | if (!rsfp) { |
13281fa4 | 1809 | #ifdef DOSUID |
a687059c | 1810 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 1811 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 1812 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 1813 | /* try again */ |
1814 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
463ee0b2 | 1815 | croak("Can't do setuid\n"); |
13281fa4 LW |
1816 | } |
1817 | #endif | |
1818 | #endif | |
463ee0b2 | 1819 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 1820 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 1821 | } |
79072805 | 1822 | } |
8d063cd8 | 1823 | |
79072805 | 1824 | static void |
96436eeb | 1825 | validate_suid(validarg, scriptname) |
79072805 | 1826 | char *validarg; |
96436eeb | 1827 | char *scriptname; |
79072805 | 1828 | { |
96436eeb | 1829 | int which; |
1830 | ||
13281fa4 LW |
1831 | /* do we need to emulate setuid on scripts? */ |
1832 | ||
1833 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
1834 | * in the kernel because of a security problem. Merely defining DOSUID | |
1835 | * in perl will not fix that problem, but if you have disabled setuid | |
1836 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
1837 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
1838 | * root version must be called suidperl or sperlN.NNN. If regular perl |
1839 | * discovers that it has opened a setuid script, it calls suidperl with | |
1840 | * the same argv that it had. If suidperl finds that the script it has | |
1841 | * just opened is NOT setuid root, it sets the effective uid back to the | |
1842 | * uid. We don't just make perl setuid root because that loses the | |
1843 | * effective uid we had before invoking perl, if it was different from the | |
1844 | * uid. | |
13281fa4 LW |
1845 | * |
1846 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
1847 | * be defined in suidperl only. suidperl must be setuid root. The | |
1848 | * Configure script will set this up for you if you want it. | |
1849 | */ | |
a687059c | 1850 | |
13281fa4 | 1851 | #ifdef DOSUID |
6e72f9df | 1852 | char *s, *s2; |
a0d0e21e | 1853 | |
760ac839 | 1854 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 1855 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 1856 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 1857 | I32 len; |
13281fa4 | 1858 | |
a687059c | 1859 | #ifdef IAMSUID |
fe14fcc3 | 1860 | #ifndef HAS_SETREUID |
a687059c LW |
1861 | /* On this access check to make sure the directories are readable, |
1862 | * there is actually a small window that the user could use to make | |
1863 | * filename point to an accessible directory. So there is a faint | |
1864 | * chance that someone could execute a setuid script down in a | |
1865 | * non-accessible directory. I don't know what to do about that. | |
1866 | * But I don't think it's too important. The manual lies when | |
1867 | * it says access() is useful in setuid programs. | |
1868 | */ | |
463ee0b2 LW |
1869 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
1870 | croak("Permission denied"); | |
a687059c LW |
1871 | #else |
1872 | /* If we can swap euid and uid, then we can determine access rights | |
1873 | * with a simple stat of the file, and then compare device and | |
1874 | * inode to make sure we did stat() on the same file we opened. | |
1875 | * Then we just have to make sure he or she can execute it. | |
1876 | */ | |
1877 | { | |
1878 | struct stat tmpstatbuf; | |
1879 | ||
85e6fe83 LW |
1880 | if ( |
1881 | #ifdef HAS_SETREUID | |
1882 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
1883 | #else |
1884 | # if HAS_SETRESUID | |
85e6fe83 | 1885 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 1886 | # endif |
85e6fe83 LW |
1887 | #endif |
1888 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 1889 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 1890 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 1891 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
1892 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
1893 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 1894 | (void)PerlIO_close(rsfp); |
79072805 | 1895 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 1896 | PerlIO_printf(rsfp, |
ff0cee69 | 1897 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
1898 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
1899 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
1900 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 1901 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 1902 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 | 1903 | (void)my_pclose(rsfp); |
a687059c | 1904 | } |
463ee0b2 | 1905 | croak("Permission denied\n"); |
a687059c | 1906 | } |
85e6fe83 LW |
1907 | if ( |
1908 | #ifdef HAS_SETREUID | |
1909 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
1910 | #else |
1911 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 1912 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 1913 | # endif |
85e6fe83 LW |
1914 | #endif |
1915 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 1916 | croak("Can't reswap uid and euid"); |
27e2fb84 | 1917 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 1918 | croak("Permission denied\n"); |
a687059c | 1919 | } |
fe14fcc3 | 1920 | #endif /* HAS_SETREUID */ |
a687059c LW |
1921 | #endif /* IAMSUID */ |
1922 | ||
27e2fb84 | 1923 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 1924 | croak("Permission denied"); |
27e2fb84 | 1925 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 1926 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 1927 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 1928 | curcop->cop_line++; |
760ac839 LW |
1929 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
1930 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 1931 | croak("No #! line"); |
760ac839 | 1932 | s = SvPV(linestr,na)+2; |
663a0e37 | 1933 | if (*s == ' ') s++; |
45d8adaa | 1934 | while (!isSPACE(*s)) s++; |
760ac839 | 1935 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 1936 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
1937 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 1938 | croak("Not a perl script"); |
a687059c | 1939 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
1940 | /* |
1941 | * #! arg must be what we saw above. They can invoke it by | |
1942 | * mentioning suidperl explicitly, but they may not add any strange | |
1943 | * arguments beyond what #! says if they do invoke suidperl that way. | |
1944 | */ | |
1945 | len = strlen(validarg); | |
1946 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 1947 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 1948 | croak("Args must match #! line"); |
a687059c LW |
1949 | |
1950 | #ifndef IAMSUID | |
1951 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
1952 | euid == statbuf.st_uid) | |
1953 | if (!do_undump) | |
463ee0b2 | 1954 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
1955 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
1956 | #endif /* IAMSUID */ | |
13281fa4 LW |
1957 | |
1958 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 1959 | (void)PerlIO_close(rsfp); |
13281fa4 | 1960 | #ifndef IAMSUID |
46fc3d4c | 1961 | /* try again */ |
1962 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
13281fa4 | 1963 | #endif |
463ee0b2 | 1964 | croak("Can't do setuid\n"); |
13281fa4 LW |
1965 | } |
1966 | ||
83025b21 | 1967 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 1968 | #ifdef HAS_SETEGID |
a687059c LW |
1969 | (void)setegid(statbuf.st_gid); |
1970 | #else | |
fe14fcc3 | 1971 | #ifdef HAS_SETREGID |
85e6fe83 LW |
1972 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
1973 | #else | |
1974 | #ifdef HAS_SETRESGID | |
1975 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
1976 | #else |
1977 | setgid(statbuf.st_gid); | |
1978 | #endif | |
1979 | #endif | |
85e6fe83 | 1980 | #endif |
83025b21 | 1981 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 1982 | croak("Can't do setegid!\n"); |
83025b21 | 1983 | } |
a687059c LW |
1984 | if (statbuf.st_mode & S_ISUID) { |
1985 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 1986 | #ifdef HAS_SETEUID |
a687059c LW |
1987 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
1988 | #else | |
fe14fcc3 | 1989 | #ifdef HAS_SETREUID |
85e6fe83 LW |
1990 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
1991 | #else | |
1992 | #ifdef HAS_SETRESUID | |
1993 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
1994 | #else |
1995 | setuid(statbuf.st_uid); | |
1996 | #endif | |
1997 | #endif | |
85e6fe83 | 1998 | #endif |
83025b21 | 1999 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2000 | croak("Can't do seteuid!\n"); |
a687059c | 2001 | } |
83025b21 | 2002 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2003 | #ifdef HAS_SETEUID |
85e6fe83 | 2004 | (void)seteuid((Uid_t)uid); |
a687059c | 2005 | #else |
fe14fcc3 | 2006 | #ifdef HAS_SETREUID |
85e6fe83 | 2007 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2008 | #else |
85e6fe83 LW |
2009 | #ifdef HAS_SETRESUID |
2010 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2011 | #else | |
2012 | setuid((Uid_t)uid); | |
2013 | #endif | |
a687059c LW |
2014 | #endif |
2015 | #endif | |
83025b21 | 2016 | if (geteuid() != uid) |
463ee0b2 | 2017 | croak("Can't do seteuid!\n"); |
83025b21 | 2018 | } |
748a9306 | 2019 | init_ids(); |
27e2fb84 | 2020 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2021 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2022 | } |
2023 | #ifdef IAMSUID | |
2024 | else if (preprocess) | |
463ee0b2 | 2025 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2026 | else if (fdscript >= 0) |
2027 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2028 | else |
463ee0b2 | 2029 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2030 | |
2031 | /* We absolutely must clear out any saved ids here, so we */ | |
2032 | /* exec the real perl, substituting fd script for scriptname. */ | |
2033 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
2034 | PerlIO_rewind(rsfp); |
2035 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 2036 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2037 | if (!origargv[which]) | |
2038 | croak("Permission denied"); | |
46fc3d4c | 2039 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2040 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2041 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2042 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2043 | #endif |
46fc3d4c | 2044 | execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2045 | croak("Can't do setuid\n"); |
13281fa4 | 2046 | #endif /* IAMSUID */ |
a687059c | 2047 | #else /* !DOSUID */ |
a687059c LW |
2048 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2049 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
760ac839 | 2050 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2051 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2052 | || | |
2053 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2054 | ) | |
2055 | if (!do_undump) | |
463ee0b2 | 2056 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2057 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2058 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2059 | /* not set-id, must be wrapped */ | |
a687059c | 2060 | } |
13281fa4 | 2061 | #endif /* DOSUID */ |
79072805 | 2062 | } |
13281fa4 | 2063 | |
79072805 LW |
2064 | static void |
2065 | find_beginning() | |
2066 | { | |
6e72f9df | 2067 | register char *s, *s2; |
33b78306 LW |
2068 | |
2069 | /* skip forward in input to the real script? */ | |
2070 | ||
bbce6d69 | 2071 | forbid_setid("-x"); |
33b78306 | 2072 | while (doextract) { |
79072805 | 2073 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2074 | croak("No Perl script found in input\n"); |
6e72f9df | 2075 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2076 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2077 | doextract = FALSE; |
6e72f9df | 2078 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2079 | s2 = s; | |
2080 | while (*s == ' ' || *s == '\t') s++; | |
2081 | if (*s++ == '-') { | |
2082 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2083 | if (strnEQ(s2-4,"perl",4)) | |
2084 | /*SUPPRESS 530*/ | |
2085 | while (s = moreswitches(s)) ; | |
33b78306 | 2086 | } |
79072805 | 2087 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 2088 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2089 | } |
2090 | } | |
2091 | } | |
2092 | ||
79072805 | 2093 | static void |
748a9306 | 2094 | init_ids() |
352d5a3a | 2095 | { |
748a9306 LW |
2096 | uid = (int)getuid(); |
2097 | euid = (int)geteuid(); | |
2098 | gid = (int)getgid(); | |
2099 | egid = (int)getegid(); | |
2100 | #ifdef VMS | |
2101 | uid |= gid << 16; | |
2102 | euid |= egid << 16; | |
2103 | #endif | |
4633a7c4 | 2104 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2105 | } |
79072805 | 2106 | |
748a9306 | 2107 | static void |
bbce6d69 | 2108 | forbid_setid(s) |
2109 | char *s; | |
2110 | { | |
2111 | if (euid != uid) | |
2112 | croak("No %s allowed while running setuid", s); | |
2113 | if (egid != gid) | |
2114 | croak("No %s allowed while running setgid", s); | |
2115 | } | |
2116 | ||
2117 | static void | |
748a9306 LW |
2118 | init_debugger() |
2119 | { | |
79072805 | 2120 | curstash = debstash; |
748a9306 | 2121 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2122 | AvREAL_off(dbargs); |
a0d0e21e LW |
2123 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2124 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2125 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2126 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2127 | sv_setiv(DBsingle, 0); |
748a9306 | 2128 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2129 | sv_setiv(DBtrace, 0); |
748a9306 | 2130 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2131 | sv_setiv(DBsignal, 0); |
79072805 | 2132 | curstash = defstash; |
352d5a3a LW |
2133 | } |
2134 | ||
79072805 | 2135 | static void |
8990e307 | 2136 | init_stacks() |
79072805 | 2137 | { |
6e72f9df | 2138 | curstack = newAV(); |
5f05dabc | 2139 | mainstack = curstack; /* remember in case we switch stacks */ |
2140 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2141 | av_extend(curstack,127); |
79072805 | 2142 | |
6e72f9df | 2143 | stack_base = AvARRAY(curstack); |
79072805 | 2144 | stack_sp = stack_base; |
8990e307 | 2145 | stack_max = stack_base + 127; |
79072805 | 2146 | |
5f05dabc | 2147 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2148 | New(50,cxstack,cxstack_max + 1,CONTEXT); | |
2149 | cxstack_ix = -1; | |
2150 | ||
2151 | New(50,tmps_stack,128,SV*); | |
2152 | tmps_ix = -1; | |
2153 | tmps_max = 128; | |
2154 | ||
2155 | DEBUG( { | |
2156 | New(51,debname,128,char); | |
2157 | New(52,debdelim,128,char); | |
2158 | } ) | |
2159 | ||
2160 | /* | |
2161 | * The following stacks almost certainly should be per-interpreter, | |
2162 | * but for now they're not. XXX | |
2163 | */ | |
2164 | ||
6e72f9df | 2165 | if (markstack) { |
2166 | markstack_ptr = markstack; | |
2167 | } else { | |
2168 | New(54,markstack,64,I32); | |
2169 | markstack_ptr = markstack; | |
2170 | markstack_max = markstack + 64; | |
2171 | } | |
79072805 | 2172 | |
6e72f9df | 2173 | if (scopestack) { |
2174 | scopestack_ix = 0; | |
2175 | } else { | |
2176 | New(54,scopestack,32,I32); | |
2177 | scopestack_ix = 0; | |
2178 | scopestack_max = 32; | |
2179 | } | |
79072805 | 2180 | |
6e72f9df | 2181 | if (savestack) { |
2182 | savestack_ix = 0; | |
2183 | } else { | |
2184 | New(54,savestack,128,ANY); | |
2185 | savestack_ix = 0; | |
2186 | savestack_max = 128; | |
2187 | } | |
79072805 | 2188 | |
6e72f9df | 2189 | if (retstack) { |
2190 | retstack_ix = 0; | |
2191 | } else { | |
2192 | New(54,retstack,16,OP*); | |
2193 | retstack_ix = 0; | |
2194 | retstack_max = 16; | |
5f05dabc | 2195 | } |
378cc40b | 2196 | } |
33b78306 | 2197 | |
6e72f9df | 2198 | static void |
2199 | nuke_stacks() | |
2200 | { | |
2201 | Safefree(cxstack); | |
2202 | Safefree(tmps_stack); | |
5f05dabc | 2203 | DEBUG( { |
2204 | Safefree(debname); | |
2205 | Safefree(debdelim); | |
2206 | } ) | |
6e72f9df | 2207 | } |
2208 | ||
760ac839 | 2209 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2210 | |
79072805 | 2211 | static void |
8990e307 LW |
2212 | init_lexer() |
2213 | { | |
a0d0e21e | 2214 | tmpfp = rsfp; |
8990e307 LW |
2215 | lex_start(linestr); |
2216 | rsfp = tmpfp; | |
2217 | subname = newSVpv("main",4); | |
2218 | } | |
2219 | ||
2220 | static void | |
79072805 | 2221 | init_predump_symbols() |
45d8adaa | 2222 | { |
93a17b20 | 2223 | GV *tmpgv; |
a0d0e21e | 2224 | GV *othergv; |
79072805 | 2225 | |
85e6fe83 | 2226 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
79072805 | 2227 | |
85e6fe83 | 2228 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2229 | GvMULTI_on(stdingv); |
760ac839 | 2230 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2231 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2232 | GvMULTI_on(tmpgv); |
a0d0e21e | 2233 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2234 | |
85e6fe83 | 2235 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2236 | GvMULTI_on(tmpgv); |
760ac839 | 2237 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2238 | setdefout(tmpgv); |
adbc6bb1 | 2239 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2240 | GvMULTI_on(tmpgv); |
a0d0e21e | 2241 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2242 | |
a0d0e21e | 2243 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2244 | GvMULTI_on(othergv); |
760ac839 | 2245 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2246 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2247 | GvMULTI_on(tmpgv); |
a0d0e21e | 2248 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2249 | |
2250 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2251 | |
6e72f9df | 2252 | if (!osname) |
2253 | osname = savepv(OSNAME); | |
79072805 | 2254 | } |
33b78306 | 2255 | |
79072805 LW |
2256 | static void |
2257 | init_postdump_symbols(argc,argv,env) | |
2258 | register int argc; | |
2259 | register char **argv; | |
2260 | register char **env; | |
33b78306 | 2261 | { |
79072805 LW |
2262 | char *s; |
2263 | SV *sv; | |
2264 | GV* tmpgv; | |
fe14fcc3 | 2265 | |
79072805 LW |
2266 | argc--,argv++; /* skip name of script */ |
2267 | if (doswitches) { | |
2268 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2269 | if (!argv[0][1]) | |
2270 | break; | |
2271 | if (argv[0][1] == '-') { | |
2272 | argc--,argv++; | |
2273 | break; | |
2274 | } | |
93a17b20 | 2275 | if (s = strchr(argv[0], '=')) { |
79072805 | 2276 | *s++ = '\0'; |
85e6fe83 | 2277 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2278 | } |
2279 | else | |
85e6fe83 | 2280 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2281 | } |
79072805 LW |
2282 | } |
2283 | toptarget = NEWSV(0,0); | |
2284 | sv_upgrade(toptarget, SVt_PVFM); | |
2285 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2286 | bodytarget = NEWSV(0,0); |
79072805 LW |
2287 | sv_upgrade(bodytarget, SVt_PVFM); |
2288 | sv_setpvn(bodytarget, "", 0); | |
2289 | formtarget = bodytarget; | |
2290 | ||
bbce6d69 | 2291 | TAINT; |
85e6fe83 | 2292 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2293 | sv_setpv(GvSV(tmpgv),origfilename); |
2294 | magicname("0", "0", 1); | |
2295 | } | |
85e6fe83 | 2296 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2297 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2298 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2299 | GvMULTI_on(argvgv); |
79072805 LW |
2300 | (void)gv_AVadd(argvgv); |
2301 | av_clear(GvAVn(argvgv)); | |
2302 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2303 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2304 | } |
2305 | } | |
85e6fe83 | 2306 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2307 | HV *hv; |
a5f75d66 | 2308 | GvMULTI_on(envgv); |
79072805 | 2309 | hv = GvHVn(envgv); |
5aabfad6 | 2310 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2311 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2312 | /* Note that if the supplied env parameter is actually a copy |
2313 | of the global environ then it may now point to free'd memory | |
2314 | if the environment has been modified since. To avoid this | |
2315 | problem we treat env==NULL as meaning 'use the default' | |
2316 | */ | |
2317 | if (!env) | |
2318 | env = environ; | |
5aabfad6 | 2319 | if (env != environ) |
79072805 LW |
2320 | environ[0] = Nullch; |
2321 | for (; *env; env++) { | |
93a17b20 | 2322 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2323 | continue; |
2324 | *s++ = '\0'; | |
137443ea | 2325 | #ifdef WIN32 |
2326 | (void)strupr(*env); | |
2327 | #endif | |
79072805 LW |
2328 | sv = newSVpv(s--,0); |
2329 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2330 | *s = '='; | |
fe14fcc3 | 2331 | } |
4550b24a | 2332 | #endif |
2333 | #ifdef DYNAMIC_ENV_FETCH | |
2334 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2335 | #endif | |
79072805 | 2336 | } |
bbce6d69 | 2337 | TAINT_NOT; |
85e6fe83 | 2338 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2339 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2340 | } |
34de22dd | 2341 | |
79072805 LW |
2342 | static void |
2343 | init_perllib() | |
34de22dd | 2344 | { |
85e6fe83 LW |
2345 | char *s; |
2346 | if (!tainting) { | |
552a7a9b | 2347 | #ifndef VMS |
85e6fe83 LW |
2348 | s = getenv("PERL5LIB"); |
2349 | if (s) | |
774d564b | 2350 | incpush(s, TRUE); |
85e6fe83 | 2351 | else |
774d564b | 2352 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2353 | #else /* VMS */ |
2354 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2355 | * "natural" VMS idiom for a Unix path string. We allow each | |
2356 | * element to be a set of |-separated directories for compatibility. | |
2357 | */ | |
2358 | char buf[256]; | |
2359 | int idx = 0; | |
2360 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2361 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2362 | else |
774d564b | 2363 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2364 | #endif /* VMS */ |
85e6fe83 | 2365 | } |
34de22dd | 2366 | |
df5cef82 | 2367 | /* Use the ~-expanded versions of APPLIB (undocumented), |
2368 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB | |
2369 | */ | |
4633a7c4 | 2370 | #ifdef APPLLIB_EXP |
774d564b | 2371 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2372 | #endif |
4633a7c4 | 2373 | |
fed7345c | 2374 | #ifdef ARCHLIB_EXP |
774d564b | 2375 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2376 | #endif |
fed7345c AD |
2377 | #ifndef PRIVLIB_EXP |
2378 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2379 | #endif |
774d564b | 2380 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2381 | |
2382 | #ifdef SITEARCH_EXP | |
774d564b | 2383 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2384 | #endif |
2385 | #ifdef SITELIB_EXP | |
774d564b | 2386 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2387 | #endif |
2388 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2389 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2390 | #endif |
a0d0e21e | 2391 | |
4633a7c4 | 2392 | if (!tainting) |
774d564b | 2393 | incpush(".", FALSE); |
2394 | } | |
2395 | ||
2396 | #if defined(DOSISH) | |
2397 | # define PERLLIB_SEP ';' | |
2398 | #else | |
2399 | # if defined(VMS) | |
2400 | # define PERLLIB_SEP '|' | |
2401 | # else | |
2402 | # define PERLLIB_SEP ':' | |
2403 | # endif | |
2404 | #endif | |
2405 | #ifndef PERLLIB_MANGLE | |
2406 | # define PERLLIB_MANGLE(s,n) (s) | |
2407 | #endif | |
2408 | ||
2409 | static void | |
2410 | incpush(p, addsubdirs) | |
2411 | char *p; | |
2412 | int addsubdirs; | |
2413 | { | |
2414 | SV *subdir = Nullsv; | |
2415 | static char *archpat_auto; | |
2416 | ||
2417 | if (!p) | |
2418 | return; | |
2419 | ||
2420 | if (addsubdirs) { | |
2421 | subdir = newSV(0); | |
2422 | if (!archpat_auto) { | |
2423 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2424 | + sizeof("//auto")); | |
2425 | New(55, archpat_auto, len, char); | |
2426 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2427 | #ifdef VMS |
2428 | for (len = sizeof(ARCHNAME) + 2; | |
2429 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2430 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2431 | #endif | |
774d564b | 2432 | } |
2433 | } | |
2434 | ||
2435 | /* Break at all separators */ | |
2436 | while (p && *p) { | |
2437 | SV *libdir = newSV(0); | |
2438 | char *s; | |
2439 | ||
2440 | /* skip any consecutive separators */ | |
2441 | while ( *p == PERLLIB_SEP ) { | |
2442 | /* Uncomment the next line for PATH semantics */ | |
2443 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2444 | p++; | |
2445 | } | |
2446 | ||
2447 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2448 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2449 | (STRLEN)(s - p)); | |
2450 | p = s + 1; | |
2451 | } | |
2452 | else { | |
2453 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2454 | p = Nullch; /* break out */ | |
2455 | } | |
2456 | ||
2457 | /* | |
2458 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2459 | * archname-specific sub-directories. | |
2460 | */ | |
2461 | if (addsubdirs) { | |
2462 | struct stat tmpstatbuf; | |
aa689395 | 2463 | #ifdef VMS |
2464 | char *unix; | |
2465 | STRLEN len; | |
774d564b | 2466 | |
aa689395 | 2467 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2468 | len = strlen(unix); | |
2469 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2470 | sv_usepvn(libdir,unix,len); | |
2471 | } | |
2472 | else | |
2473 | PerlIO_printf(PerlIO_stderr(), | |
2474 | "Failed to unixify @INC element \"%s\"\n", | |
2475 | SvPV(libdir,na)); | |
2476 | #endif | |
4fdae800 | 2477 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2478 | sv_setsv(subdir, libdir); |
2479 | sv_catpv(subdir, archpat_auto); | |
2480 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2481 | S_ISDIR(tmpstatbuf.st_mode)) | |
2482 | av_push(GvAVn(incgv), | |
2483 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2484 | ||
4fdae800 | 2485 | /* .../archname if -d .../archname/auto */ |
774d564b | 2486 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2487 | strlen(patchlevel) + 1, "", 0); | |
2488 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2489 | S_ISDIR(tmpstatbuf.st_mode)) | |
2490 | av_push(GvAVn(incgv), | |
2491 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2492 | } | |
2493 | ||
2494 | /* finally push this lib directory on the end of @INC */ | |
2495 | av_push(GvAVn(incgv), libdir); | |
2496 | } | |
2497 | ||
2498 | SvREFCNT_dec(subdir); | |
34de22dd | 2499 | } |
93a17b20 LW |
2500 | |
2501 | void | |
68dc0745 | 2502 | call_list(oldscope, list) |
2ae324a7 | 2503 | I32 oldscope; |
93a17b20 LW |
2504 | AV* list; |
2505 | { | |
a0d0e21e | 2506 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2507 | STRLEN len; |
2508 | dJMPENV; | |
2509 | int ret; | |
93a17b20 | 2510 | |
8990e307 LW |
2511 | while (AvFILL(list) >= 0) { |
2512 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2513 | |
8990e307 | 2514 | SAVEFREESV(cv); |
a0d0e21e | 2515 | |
22921e25 CS |
2516 | JMPENV_PUSH(ret); |
2517 | switch (ret) { | |
748a9306 | 2518 | case 0: { |
4633a7c4 | 2519 | SV* atsv = GvSV(errgv); |
748a9306 LW |
2520 | PUSHMARK(stack_sp); |
2521 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
2522 | (void)SvPV(atsv, len); | |
2523 | if (len) { | |
54310121 | 2524 | JMPENV_POP; |
748a9306 LW |
2525 | curcop = &compiling; |
2526 | curcop->cop_line = oldline; | |
2527 | if (list == beginav) | |
2528 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
2529 | else | |
2530 | sv_catpv(atsv, "END failed--cleanup aborted"); | |
2ae324a7 | 2531 | while (scopestack_ix > oldscope) |
2532 | LEAVE; | |
748a9306 LW |
2533 | croak("%s", SvPVX(atsv)); |
2534 | } | |
a0d0e21e | 2535 | } |
85e6fe83 LW |
2536 | break; |
2537 | case 1: | |
f86702cc | 2538 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2539 | /* FALL THROUGH */ |
2540 | case 2: | |
2541 | /* my_exit() was called */ | |
2ae324a7 | 2542 | while (scopestack_ix > oldscope) |
2543 | LEAVE; | |
85e6fe83 LW |
2544 | curstash = defstash; |
2545 | if (endav) | |
68dc0745 | 2546 | call_list(oldscope, endav); |
a0d0e21e | 2547 | FREETMPS; |
54310121 | 2548 | JMPENV_POP; |
a0d0e21e LW |
2549 | curcop = &compiling; |
2550 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2551 | if (statusvalue) { |
2552 | if (list == beginav) | |
a0d0e21e | 2553 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2554 | else |
a0d0e21e | 2555 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2556 | } |
f86702cc | 2557 | my_exit_jump(); |
85e6fe83 | 2558 | /* NOTREACHED */ |
85e6fe83 LW |
2559 | case 3: |
2560 | if (!restartop) { | |
760ac839 | 2561 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2562 | FREETMPS; |
85e6fe83 LW |
2563 | break; |
2564 | } | |
54310121 | 2565 | JMPENV_POP; |
a0d0e21e LW |
2566 | curcop = &compiling; |
2567 | curcop->cop_line = oldline; | |
54310121 | 2568 | JMPENV_JUMP(3); |
8990e307 | 2569 | } |
54310121 | 2570 | JMPENV_POP; |
93a17b20 | 2571 | } |
93a17b20 LW |
2572 | } |
2573 | ||
f86702cc | 2574 | void |
2575 | my_exit(status) | |
2576 | U32 status; | |
2577 | { | |
2578 | switch (status) { | |
2579 | case 0: | |
2580 | STATUS_ALL_SUCCESS; | |
2581 | break; | |
2582 | case 1: | |
2583 | STATUS_ALL_FAILURE; | |
2584 | break; | |
2585 | default: | |
2586 | STATUS_NATIVE_SET(status); | |
2587 | break; | |
2588 | } | |
2589 | my_exit_jump(); | |
2590 | } | |
2591 | ||
2592 | void | |
2593 | my_failure_exit() | |
2594 | { | |
2595 | #ifdef VMS | |
2596 | if (vaxc$errno & 1) { | |
4fdae800 | 2597 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2598 | STATUS_NATIVE_SET(44); | |
f86702cc | 2599 | } |
2600 | else { | |
ff0cee69 | 2601 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2602 | STATUS_NATIVE_SET(44); |
f86702cc | 2603 | else |
4fdae800 | 2604 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2605 | } |
2606 | #else | |
2607 | if (errno & 255) | |
2608 | STATUS_POSIX_SET(errno); | |
2609 | else if (STATUS_POSIX == 0) | |
2610 | STATUS_POSIX_SET(255); | |
2611 | #endif | |
2612 | my_exit_jump(); | |
2613 | } | |
2614 | ||
2615 | static void | |
2616 | my_exit_jump() | |
2617 | { | |
2618 | register CONTEXT *cx; | |
2619 | I32 gimme; | |
2620 | SV **newsp; | |
2621 | ||
2622 | if (e_tmpname) { | |
2623 | if (e_fp) { | |
2624 | PerlIO_close(e_fp); | |
2625 | e_fp = Nullfp; | |
2626 | } | |
2627 | (void)UNLINK(e_tmpname); | |
2628 | Safefree(e_tmpname); | |
2629 | e_tmpname = Nullch; | |
2630 | } | |
2631 | ||
2632 | if (cxstack_ix >= 0) { | |
2633 | if (cxstack_ix > 0) | |
2634 | dounwind(0); | |
2635 | POPBLOCK(cx,curpm); | |
2636 | LEAVE; | |
2637 | } | |
ff0cee69 | 2638 | |
54310121 | 2639 | JMPENV_JUMP(2); |
f86702cc | 2640 | } |