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1 | /* |
2 | * libdpkg - Debian packaging suite library routines | |
3 | * fields.c - parsing of all the different fields, when reading in | |
4 | * | |
5 | * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk> | |
6 | * Copyright © 2001 Wichert Akkerman | |
7 | * Copyright © 2006-2015 Guillem Jover <guillem@debian.org> | |
8 | * Copyright © 2009 Canonical Ltd. | |
9 | * Copyright © 2011 Linaro Limited | |
10 | * Copyright © 2011 Raphaël Hertzog <hertzog@debian.org> | |
11 | * | |
12 | * This is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
24 | */ | |
25 | ||
26 | #include <config.h> | |
27 | #include <compat.h> | |
28 | ||
29 | #include <string.h> | |
30 | #include <stdio.h> | |
31 | ||
32 | #include <dpkg/i18n.h> | |
33 | #include <dpkg/c-ctype.h> | |
34 | #include <dpkg/dpkg.h> | |
35 | #include <dpkg/dpkg-db.h> | |
36 | #include <dpkg/arch.h> | |
37 | #include <dpkg/string.h> | |
38 | #include <dpkg/path.h> | |
39 | #include <dpkg/parsedump.h> | |
40 | #include <dpkg/pkg-spec.h> | |
41 | #include <dpkg/triglib.h> | |
42 | ||
43 | /** | |
44 | * Flags to parse a name associated to a value. | |
45 | */ | |
46 | enum parse_nv_flags { | |
47 | /** Expect no more words (default). */ | |
48 | PARSE_NV_LAST = 0, | |
49 | /** Expect another word after the parsed name. */ | |
50 | PARSE_NV_NEXT = DPKG_BIT(0), | |
51 | /** Do not fail if there is no name with an associated value found. */ | |
52 | PARSE_NV_FALLBACK = DPKG_BIT(1), | |
53 | }; | |
54 | ||
55 | /** | |
56 | * Parses a name and returns its associated value. | |
57 | * | |
58 | * Gets a pointer to the string to parse in @a strp, and modifies the pointer | |
59 | * to the string to point to the end of the parsed text. If no value is found | |
60 | * for the name and #PARSE_NV_FALLBACK is set in @a flags then @a strp is set | |
61 | * to NULL and returns -1, otherwise a parse error is emitted. | |
62 | */ | |
63 | static int | |
64 | parse_nv(struct parsedb_state *ps, enum parse_nv_flags flags, | |
65 | const char **strp, const struct namevalue *nv_head, const char *what) | |
66 | { | |
67 | const char *str_start = *strp, *str_end; | |
68 | const struct namevalue *nv; | |
69 | int value; | |
70 | ||
71 | if (str_start[0] == '\0') | |
72 | parse_error(ps, _("%s is missing"), what); | |
73 | ||
74 | nv = namevalue_find_by_name(nv_head, str_start); | |
75 | if (nv == NULL) { | |
76 | /* We got no match, skip further string validation. */ | |
77 | if (!(flags & PARSE_NV_FALLBACK)) | |
78 | parse_error(ps, _("'%.50s' is not allowed for %s"), str_start, what); | |
79 | ||
80 | str_end = NULL; | |
81 | value = -1; | |
82 | } else { | |
83 | str_end = str_start + nv->length; | |
84 | while (c_isspace(str_end[0])) | |
85 | str_end++; | |
86 | value = nv->value; | |
87 | } | |
88 | ||
89 | if (!(flags & PARSE_NV_NEXT) && str_is_set(str_end)) | |
90 | parse_error(ps, _("junk after %s"), what); | |
91 | ||
92 | *strp = str_end; | |
93 | ||
94 | return value; | |
95 | } | |
96 | ||
97 | void | |
98 | f_name(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
99 | struct parsedb_state *ps, | |
100 | const char *value, const struct fieldinfo *fip) | |
101 | { | |
102 | const char *e; | |
103 | ||
104 | e = pkg_name_is_illegal(value); | |
105 | if (e != NULL) | |
106 | parse_error(ps, _("invalid package name (%.250s)"), e); | |
107 | /* We use the new name, as pkg_db_find_set() may have done a tolower for us. */ | |
108 | pkg->set->name = pkg_db_find_set(value)->name; | |
109 | } | |
110 | ||
111 | void | |
112 | f_filecharf(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
113 | struct parsedb_state *ps, | |
114 | const char *value, const struct fieldinfo *fip) | |
115 | { | |
116 | struct filedetails *fdp, **fdpp; | |
117 | char *cpos, *space; | |
118 | int allowextend; | |
119 | ||
120 | if (!*value) | |
121 | parse_error(ps, _("empty file details field '%s'"), fip->name); | |
122 | if (!(ps->flags & pdb_recordavailable)) | |
123 | parse_error(ps, | |
124 | _("file details field '%s' not allowed in status file"), | |
125 | fip->name); | |
126 | allowextend = !pkg->files; | |
127 | fdpp = &pkg->files; | |
128 | cpos= nfstrsave(value); | |
129 | while (*cpos) { | |
130 | space = cpos; | |
131 | while (*space && !c_isspace(*space)) | |
132 | space++; | |
133 | if (*space) | |
134 | *space++ = '\0'; | |
135 | fdp= *fdpp; | |
136 | if (!fdp) { | |
137 | if (!allowextend) | |
138 | parse_error(ps, | |
139 | _("too many values in file details field '%s' " | |
140 | "(compared to others)"), fip->name); | |
141 | fdp= nfmalloc(sizeof(struct filedetails)); | |
142 | fdp->next= NULL; | |
143 | fdp->name= fdp->msdosname= fdp->size= fdp->md5sum= NULL; | |
144 | *fdpp= fdp; | |
145 | } | |
146 | STRUCTFIELD(fdp, fip->integer, const char *) = cpos; | |
147 | fdpp= &fdp->next; | |
148 | while (*space && c_isspace(*space)) | |
149 | space++; | |
150 | cpos= space; | |
151 | } | |
152 | if (*fdpp) | |
153 | parse_error(ps, | |
154 | _("too few values in file details field '%s' " | |
155 | "(compared to others)"), fip->name); | |
156 | } | |
157 | ||
158 | void | |
159 | f_charfield(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
160 | struct parsedb_state *ps, | |
161 | const char *value, const struct fieldinfo *fip) | |
162 | { | |
163 | if (*value) | |
164 | STRUCTFIELD(pkgbin, fip->integer, char *) = nfstrsave(value); | |
165 | } | |
166 | ||
167 | void | |
168 | f_boolean(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
169 | struct parsedb_state *ps, | |
170 | const char *value, const struct fieldinfo *fip) | |
171 | { | |
172 | bool boolean; | |
173 | ||
174 | if (!*value) | |
175 | return; | |
176 | ||
177 | boolean = parse_nv(ps, PARSE_NV_LAST, &value, booleaninfos, | |
178 | _("yes/no in boolean field")); | |
179 | STRUCTFIELD(pkgbin, fip->integer, bool) = boolean; | |
180 | } | |
181 | ||
182 | void | |
183 | f_multiarch(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
184 | struct parsedb_state *ps, | |
185 | const char *value, const struct fieldinfo *fip) | |
186 | { | |
187 | int multiarch; | |
188 | ||
189 | if (!*value) | |
190 | return; | |
191 | ||
192 | multiarch = parse_nv(ps, PARSE_NV_LAST, &value, multiarchinfos, | |
193 | _("foreign/allowed/same/no in quadstate field")); | |
194 | STRUCTFIELD(pkgbin, fip->integer, int) = multiarch; | |
195 | } | |
196 | ||
197 | void | |
198 | f_architecture(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
199 | struct parsedb_state *ps, | |
200 | const char *value, const struct fieldinfo *fip) | |
201 | { | |
202 | pkgbin->arch = dpkg_arch_find(value); | |
203 | if (pkgbin->arch->type == DPKG_ARCH_ILLEGAL) | |
204 | parse_warn(ps, _("'%s' is not a valid architecture name: %s"), | |
205 | value, dpkg_arch_name_is_illegal(value)); | |
206 | } | |
207 | ||
208 | void | |
209 | f_section(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
210 | struct parsedb_state *ps, | |
211 | const char *value, const struct fieldinfo *fip) | |
212 | { | |
213 | if (!*value) return; | |
214 | pkg->section = nfstrsave(value); | |
215 | } | |
216 | ||
217 | void | |
218 | f_priority(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
219 | struct parsedb_state *ps, | |
220 | const char *value, const struct fieldinfo *fip) | |
221 | { | |
222 | const char *str = value; | |
223 | int priority; | |
224 | ||
225 | if (!*value) return; | |
226 | ||
227 | priority = parse_nv(ps, PARSE_NV_LAST | PARSE_NV_FALLBACK, &str, | |
228 | priorityinfos, _("word in 'Priority' field")); | |
229 | ||
230 | if (str == NULL) { | |
231 | pkg->priority = PKG_PRIO_OTHER; | |
232 | pkg->otherpriority = nfstrsave(value); | |
233 | } else { | |
234 | pkg->priority = priority; | |
235 | } | |
236 | } | |
237 | ||
238 | void | |
239 | f_status(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
240 | struct parsedb_state *ps, | |
241 | const char *value, const struct fieldinfo *fip) | |
242 | { | |
243 | if (ps->flags & pdb_rejectstatus) | |
244 | parse_error(ps, | |
245 | _("value for '%s' field not allowed in this context"), | |
246 | "Status"); | |
247 | if (ps->flags & pdb_recordavailable) | |
248 | return; | |
249 | ||
250 | pkg->want = parse_nv(ps, PARSE_NV_NEXT, &value, wantinfos, | |
251 | _("first (want) word in 'Status' field")); | |
252 | pkg->eflag = parse_nv(ps, PARSE_NV_NEXT, &value, eflaginfos, | |
253 | _("second (error) word in 'Status' field")); | |
254 | pkg->status = parse_nv(ps, PARSE_NV_LAST, &value, statusinfos, | |
255 | _("third (status) word in 'Status' field")); | |
256 | } | |
257 | ||
258 | void | |
259 | f_version(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
260 | struct parsedb_state *ps, | |
261 | const char *value, const struct fieldinfo *fip) | |
262 | { | |
263 | parse_db_version(ps, &pkgbin->version, value, | |
264 | _("error in '%s' field string '%.250s'"), | |
265 | "Version", value); | |
266 | } | |
267 | ||
268 | void | |
269 | f_revision(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
270 | struct parsedb_state *ps, | |
271 | const char *value, const struct fieldinfo *fip) | |
272 | { | |
273 | char *newversion; | |
274 | ||
275 | parse_warn(ps, | |
276 | _("obsolete '%s' or '%s' field used"), | |
277 | "Revision", "Package-Revision"); | |
278 | if (!*value) return; | |
279 | if (str_is_set(pkgbin->version.revision)) { | |
280 | newversion = nfmalloc(strlen(pkgbin->version.version) + | |
281 | strlen(pkgbin->version.revision) + 2); | |
282 | sprintf(newversion, "%s-%s", pkgbin->version.version, | |
283 | pkgbin->version.revision); | |
284 | pkgbin->version.version = newversion; | |
285 | } | |
286 | pkgbin->version.revision = nfstrsave(value); | |
287 | } | |
288 | ||
289 | void | |
290 | f_configversion(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
291 | struct parsedb_state *ps, | |
292 | const char *value, const struct fieldinfo *fip) | |
293 | { | |
294 | if (ps->flags & pdb_rejectstatus) | |
295 | parse_error(ps, | |
296 | _("value for '%s' field not allowed in this context"), | |
297 | "Config-Version"); | |
298 | if (ps->flags & pdb_recordavailable) | |
299 | return; | |
300 | ||
301 | parse_db_version(ps, &pkg->configversion, value, | |
302 | _("error in '%s' field string '%.250s'"), | |
303 | "Config-Version", value); | |
304 | ||
305 | } | |
306 | ||
307 | /* | |
308 | * The code in f_conffiles ensures that value[-1] == ' ', which is helpful. | |
309 | */ | |
310 | static void conffvalue_lastword(const char *value, const char *from, | |
311 | const char *endent, | |
312 | const char **word_start_r, int *word_len_r, | |
313 | const char **new_from_r, | |
314 | struct parsedb_state *ps) | |
315 | { | |
316 | const char *lastspc; | |
317 | ||
318 | if (from <= value+1) goto malformed; | |
319 | for (lastspc= from-1; *lastspc != ' '; lastspc--); | |
320 | if (lastspc <= value+1 || lastspc >= endent-1) goto malformed; | |
321 | ||
322 | *new_from_r= lastspc; | |
323 | *word_start_r= lastspc + 1; | |
324 | *word_len_r= (int)(from - *word_start_r); | |
325 | return; | |
326 | ||
327 | malformed: | |
328 | parse_error(ps, | |
329 | _("value for '%s' field has malformed line '%.*s'"), | |
330 | "Conffiles", (int)min(endent - value, 250), value); | |
331 | } | |
332 | ||
333 | void | |
334 | f_conffiles(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
335 | struct parsedb_state *ps, | |
336 | const char *value, const struct fieldinfo *fip) | |
337 | { | |
338 | static const char obsolete_str[]= "obsolete"; | |
339 | struct conffile **lastp, *newlink; | |
340 | const char *endent, *endfn, *hashstart; | |
341 | int c, namelen, hashlen; | |
342 | bool obsolete; | |
343 | char *newptr; | |
344 | ||
345 | lastp = &pkgbin->conffiles; | |
346 | while (*value) { | |
347 | c= *value++; | |
348 | if (c == '\n') continue; | |
349 | if (c != ' ') | |
350 | parse_error(ps, | |
351 | _("value for '%s' has line starting with non-space '%c'"), | |
352 | "Conffiles", c); | |
353 | for (endent = value; (c = *endent) != '\0' && c != '\n'; endent++) ; | |
354 | conffvalue_lastword(value, endent, endent, | |
355 | &hashstart, &hashlen, &endfn, | |
356 | ps); | |
357 | obsolete= (hashlen == sizeof(obsolete_str)-1 && | |
358 | memcmp(hashstart, obsolete_str, hashlen) == 0); | |
359 | if (obsolete) | |
360 | conffvalue_lastword(value, endfn, endent, | |
361 | &hashstart, &hashlen, &endfn, | |
362 | ps); | |
363 | newlink= nfmalloc(sizeof(struct conffile)); | |
364 | value = path_skip_slash_dotslash(value); | |
365 | namelen= (int)(endfn-value); | |
366 | if (namelen <= 0) | |
367 | parse_error(ps, | |
368 | _("root or null directory is listed as a conffile")); | |
369 | newptr = nfmalloc(namelen+2); | |
370 | newptr[0]= '/'; | |
371 | memcpy(newptr+1,value,namelen); | |
372 | newptr[namelen+1] = '\0'; | |
373 | newlink->name= newptr; | |
374 | newptr= nfmalloc(hashlen+1); | |
375 | memcpy(newptr, hashstart, hashlen); | |
376 | newptr[hashlen] = '\0'; | |
377 | newlink->hash= newptr; | |
378 | newlink->obsolete= obsolete; | |
379 | newlink->next =NULL; | |
380 | *lastp= newlink; | |
381 | lastp= &newlink->next; | |
382 | value= endent; | |
383 | } | |
384 | } | |
385 | ||
386 | void | |
387 | f_dependency(struct pkginfo *pkg, struct pkgbin *pkgbin, | |
388 | struct parsedb_state *ps, | |
389 | const char *value, const struct fieldinfo *fip) | |
390 | { | |
391 | char c1, c2; | |
392 | const char *p, *emsg; | |
393 | const char *depnamestart, *versionstart; | |
394 | int depnamelength, versionlength; | |
395 | static struct varbuf depname, version; | |
396 | ||
397 | struct dependency *dyp, **ldypp; | |
398 | struct deppossi *dop, **ldopp; | |
399 | ||
400 | /* Empty fields are ignored. */ | |
401 | if (!*value) | |
402 | return; | |
403 | p= value; | |
404 | ||
405 | ldypp = &pkgbin->depends; | |
406 | while (*ldypp) | |
407 | ldypp = &(*ldypp)->next; | |
408 | ||
409 | /* Loop creating new struct dependency's. */ | |
410 | for (;;) { | |
411 | dyp= nfmalloc(sizeof(struct dependency)); | |
412 | /* Set this to NULL for now, as we don't know what our real | |
413 | * struct pkginfo address (in the database) is going to be yet. */ | |
414 | dyp->up = NULL; | |
415 | dyp->next= NULL; *ldypp= dyp; ldypp= &dyp->next; | |
416 | dyp->list= NULL; ldopp= &dyp->list; | |
417 | dyp->type= fip->integer; | |
418 | ||
419 | /* Loop creating new struct deppossi's. */ | |
420 | for (;;) { | |
421 | depnamestart= p; | |
422 | /* Skip over package name characters. */ | |
423 | while (*p && !c_isspace(*p) && *p != ':' && *p != '(' && *p != ',' && | |
424 | *p != '|') | |
425 | p++; | |
426 | depnamelength= p - depnamestart ; | |
427 | if (depnamelength == 0) | |
428 | parse_error(ps, | |
429 | _("'%s' field, missing package name, or garbage where " | |
430 | "package name expected"), fip->name); | |
431 | ||
432 | varbuf_reset(&depname); | |
433 | varbuf_add_buf(&depname, depnamestart, depnamelength); | |
434 | varbuf_end_str(&depname); | |
435 | ||
436 | emsg = pkg_name_is_illegal(depname.buf); | |
437 | if (emsg) | |
438 | parse_error(ps, | |
439 | _("'%s' field, invalid package name '%.255s': %s"), | |
440 | fip->name, depname.buf, emsg); | |
441 | dop= nfmalloc(sizeof(struct deppossi)); | |
442 | dop->up= dyp; | |
443 | dop->ed = pkg_db_find_set(depname.buf); | |
444 | dop->next= NULL; *ldopp= dop; ldopp= &dop->next; | |
445 | ||
446 | /* Don't link this (which is after all only ‘new_pkg’ from | |
447 | * the main parsing loop in parsedb) into the depended on | |
448 | * packages' lists yet. This will be done later when we | |
449 | * install this (in parse.c). For the moment we do the | |
450 | * ‘forward’ links in deppossi (‘ed’) only, and the ‘backward’ | |
451 | * links from the depended on packages to dop are left undone. */ | |
452 | dop->rev_next = NULL; | |
453 | dop->rev_prev = NULL; | |
454 | ||
455 | dop->cyclebreak = false; | |
456 | ||
457 | /* See if we have an architecture qualifier. */ | |
458 | if (*p == ':') { | |
459 | static struct varbuf arch; | |
460 | const char *archstart; | |
461 | int archlength; | |
462 | ||
463 | archstart = ++p; | |
464 | while (*p && !c_isspace(*p) && *p != '(' && *p != ',' && *p != '|') | |
465 | p++; | |
466 | archlength = p - archstart; | |
467 | if (archlength == 0) | |
468 | parse_error(ps, _("'%s' field, missing architecture name, or garbage " | |
469 | "where architecture name expected"), fip->name); | |
470 | ||
471 | varbuf_reset(&arch); | |
472 | varbuf_add_buf(&arch, archstart, archlength); | |
473 | varbuf_end_str(&arch); | |
474 | ||
475 | dop->arch_is_implicit = false; | |
476 | dop->arch = dpkg_arch_find(arch.buf); | |
477 | ||
478 | if (dop->arch->type == DPKG_ARCH_ILLEGAL) | |
479 | emsg = dpkg_arch_name_is_illegal(arch.buf); | |
480 | if (emsg) | |
481 | parse_error(ps, _("'%s' field, reference to '%.255s': " | |
482 | "invalid architecture name '%.255s': %s"), | |
483 | fip->name, depname.buf, arch.buf, emsg); | |
484 | } else if (fip->integer == dep_conflicts || fip->integer == dep_breaks || | |
485 | fip->integer == dep_replaces) { | |
486 | /* Conflicts/Breaks/Replaces get an implicit "any" arch qualifier. */ | |
487 | dop->arch_is_implicit = true; | |
488 | dop->arch = dpkg_arch_get(DPKG_ARCH_WILDCARD); | |
489 | } else { | |
490 | /* Otherwise use the pkgbin architecture, which will be assigned to | |
491 | * later on by parse.c, once we can guarantee we have parsed it from | |
492 | * the control stanza. */ | |
493 | dop->arch_is_implicit = true; | |
494 | dop->arch = NULL; | |
495 | } | |
496 | ||
497 | /* Skip whitespace after package name. */ | |
498 | while (c_isspace(*p)) | |
499 | p++; | |
500 | ||
501 | /* See if we have a versioned relation. */ | |
502 | if (*p == '(') { | |
503 | p++; | |
504 | while (c_isspace(*p)) | |
505 | p++; | |
506 | c1= *p; | |
507 | if (c1 == '<' || c1 == '>') { | |
508 | c2= *++p; | |
509 | dop->verrel = (c1 == '<') ? DPKG_RELATION_LT : DPKG_RELATION_GT; | |
510 | if (c2 == '=') { | |
511 | dop->verrel |= DPKG_RELATION_EQ; | |
512 | p++; | |
513 | } else if (c2 == c1) { | |
514 | /* Either ‘<<’ or ‘>>’. */ | |
515 | p++; | |
516 | } else if (c2 == '<' || c2 == '>') { | |
517 | parse_error(ps, | |
518 | _("'%s' field, reference to '%.255s':\n" | |
519 | " bad version relationship %c%c"), | |
520 | fip->name, depname.buf, c1, c2); | |
521 | dop->verrel = DPKG_RELATION_NONE; | |
522 | } else { | |
523 | parse_warn(ps, | |
524 | _("'%s' field, reference to '%.255s':\n" | |
525 | " '%c' is obsolete, use '%c=' or '%c%c' instead"), | |
526 | fip->name, depname.buf, c1, c1, c1, c1); | |
527 | dop->verrel |= DPKG_RELATION_EQ; | |
528 | } | |
529 | } else if (c1 == '=') { | |
530 | dop->verrel = DPKG_RELATION_EQ; | |
531 | p++; | |
532 | } else { | |
533 | parse_warn(ps, | |
534 | _("'%s' field, reference to '%.255s':\n" | |
535 | " implicit exact match on version number, " | |
536 | "suggest using '=' instead"), | |
537 | fip->name, depname.buf); | |
538 | dop->verrel = DPKG_RELATION_EQ; | |
539 | } | |
540 | if ((dop->verrel != DPKG_RELATION_EQ) && (fip->integer == dep_provides)) | |
541 | parse_warn(ps, | |
542 | _("only exact versions may be used for '%s' field"), | |
543 | "Provides"); | |
544 | ||
545 | if (!c_isspace(*p) && !c_isalnum(*p)) { | |
546 | parse_warn(ps, | |
547 | _("'%s' field, reference to '%.255s':\n" | |
548 | " version value starts with non-alphanumeric, " | |
549 | "suggest adding a space"), | |
550 | fip->name, depname.buf); | |
551 | } | |
552 | /* Skip spaces between the relation and the version. */ | |
553 | while (c_isspace(*p)) | |
554 | p++; | |
555 | ||
556 | versionstart= p; | |
557 | while (*p && *p != ')' && *p != '(') { | |
558 | if (c_isspace(*p)) | |
559 | break; | |
560 | p++; | |
561 | } | |
562 | versionlength= p - versionstart; | |
563 | while (c_isspace(*p)) | |
564 | p++; | |
565 | if (*p == '(') | |
566 | parse_error(ps, | |
567 | _("'%s' field, reference to '%.255s': " | |
568 | "version contains '%c'"), fip->name, depname.buf, ')'); | |
569 | else if (*p != ')') | |
570 | parse_error(ps, | |
571 | _("'%s' field, reference to '%.255s': " | |
572 | "version contains '%c'"), fip->name, depname.buf, ' '); | |
573 | else if (*p == '\0') | |
574 | parse_error(ps, | |
575 | _("'%s' field, reference to '%.255s': " | |
576 | "version unterminated"), fip->name, depname.buf); | |
577 | varbuf_reset(&version); | |
578 | varbuf_add_buf(&version, versionstart, versionlength); | |
579 | varbuf_end_str(&version); | |
580 | parse_db_version(ps, &dop->version, version.buf, | |
581 | _("'%s' field, reference to '%.255s': " | |
582 | "error in version"), fip->name, depname.buf); | |
583 | p++; | |
584 | while (c_isspace(*p)) | |
585 | p++; | |
586 | } else { | |
587 | dop->verrel = DPKG_RELATION_NONE; | |
588 | dpkg_version_blank(&dop->version); | |
589 | } | |
590 | if (!*p || *p == ',') break; | |
591 | if (*p != '|') | |
592 | parse_error(ps, | |
593 | _("'%s' field, syntax error after reference to package '%.255s'"), | |
594 | fip->name, dop->ed->name); | |
595 | if (fip->integer == dep_conflicts || | |
596 | fip->integer == dep_breaks || | |
597 | fip->integer == dep_provides || | |
598 | fip->integer == dep_replaces) | |
599 | parse_error(ps, | |
600 | _("alternatives ('|') not allowed in %s field"), fip->name); | |
601 | p++; | |
602 | while (c_isspace(*p)) | |
603 | p++; | |
604 | } | |
605 | if (!*p) break; | |
606 | p++; | |
607 | while (c_isspace(*p)) | |
608 | p++; | |
609 | } | |
610 | } | |
611 | ||
612 | static const char * | |
613 | scan_word(const char **valp) | |
614 | { | |
615 | static struct varbuf word; | |
616 | const char *p, *start, *end; | |
617 | ||
618 | p = *valp; | |
619 | for (;;) { | |
620 | if (!*p) { | |
621 | *valp = p; | |
622 | return NULL; | |
623 | } | |
624 | if (c_iswhite(*p)) { | |
625 | p++; | |
626 | continue; | |
627 | } | |
628 | start = p; | |
629 | break; | |
630 | } | |
631 | for (;;) { | |
632 | if (*p && !c_iswhite(*p)) { | |
633 | p++; | |
634 | continue; | |
635 | } | |
636 | end = p; | |
637 | break; | |
638 | } | |
639 | ||
640 | varbuf_reset(&word); | |
641 | varbuf_add_buf(&word, start, end - start); | |
642 | varbuf_end_str(&word); | |
643 | ||
644 | *valp = p; | |
645 | ||
646 | return word.buf; | |
647 | } | |
648 | ||
649 | void | |
650 | f_trigpend(struct pkginfo *pend, struct pkgbin *pkgbin, | |
651 | struct parsedb_state *ps, | |
652 | const char *value, const struct fieldinfo *fip) | |
653 | { | |
654 | const char *word, *emsg; | |
655 | ||
656 | if (ps->flags & pdb_rejectstatus) | |
657 | parse_error(ps, | |
658 | _("value for '%s' field not allowed in this context"), | |
659 | "Triggers-Pending"); | |
660 | ||
661 | while ((word = scan_word(&value))) { | |
662 | emsg = trig_name_is_illegal(word); | |
663 | if (emsg) | |
664 | parse_error(ps, | |
665 | _("illegal pending trigger name '%.255s': %s"), word, emsg); | |
666 | ||
667 | if (!trig_note_pend_core(pend, nfstrsave(word))) | |
668 | parse_error(ps, | |
669 | _("duplicate pending trigger '%.255s'"), word); | |
670 | } | |
671 | } | |
672 | ||
673 | void | |
674 | f_trigaw(struct pkginfo *aw, struct pkgbin *pkgbin, | |
675 | struct parsedb_state *ps, | |
676 | const char *value, const struct fieldinfo *fip) | |
677 | { | |
678 | const char *word; | |
679 | struct pkginfo *pend; | |
680 | ||
681 | if (ps->flags & pdb_rejectstatus) | |
682 | parse_error(ps, | |
683 | _("value for '%s' field not allowed in this context"), | |
684 | "Triggers-Awaited"); | |
685 | ||
686 | while ((word = scan_word(&value))) { | |
687 | struct dpkg_error err; | |
688 | ||
689 | pend = pkg_spec_parse_pkg(word, &err); | |
690 | if (pend == NULL) | |
691 | parse_error(ps, | |
692 | _("illegal package name in awaited trigger '%.255s': %s"), | |
693 | word, err.str); | |
694 | ||
695 | if (!trig_note_aw(pend, aw)) | |
696 | parse_error(ps, | |
697 | _("duplicate awaited trigger package '%.255s'"), word); | |
698 | ||
699 | trig_awaited_pend_enqueue(pend); | |
700 | } | |
701 | } |