2 * Copyright (c) 2007, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
19 #include "repo_updateinfoxml.h"
21 #include "tools_util.h"
25 * <update from="rel-eng@fedoraproject.org" status="stable" type="security" version="1.4">
26 * <id>FEDORA-2007-4594</id>
27 * <title>imlib-1.9.15-6.fc8</title>
28 * <release>Fedora 8</release>
29 * <issued date="2007-12-28 16:42:30"/>
31 * <reference href="https://bugzilla.redhat.com/show_bug.cgi?id=426091" id="426091" title="CVE-2007-3568 imlib: infinite loop DoS using crafted BMP image" type="bugzilla"/>
33 * <description>This update includes a fix for a denial-of-service issue (CVE-2007-3568) whereby an attacker who could get an imlib-using user to view a specially-crafted BMP image could cause the user's CPU to go into an infinite loop.</description>
35 * <collection short="F8">
36 * <name>Fedora 8</name>
37 * <package arch="ppc64" name="imlib-debuginfo" release="6.fc8" src="http://download.fedoraproject.org/pub/fedora/linux/updates/8/ppc64/imlib-debuginfo-1.9.15-6.fc8.ppc64.rpm" version="1.9.15">
38 * <filename>imlib-debuginfo-1.9.15-6.fc8.ppc64.rpm</filename>
39 * <reboot_suggested>True</reboot_suggested>
49 STATE_UPDATES, /* 1 */
53 STATE_RELEASE, /* 5 */
55 STATE_MESSAGE, /* 7 */
56 STATE_REFERENCES, /* 8 */
57 STATE_REFERENCE, /* 9 */
58 STATE_DESCRIPTION, /* 10 */
59 STATE_PKGLIST, /* 11 */
60 STATE_COLLECTION, /* 12 */
62 STATE_PACKAGE, /* 14 */
63 STATE_FILENAME, /* 15 */
64 STATE_REBOOT, /* 16 */
65 STATE_RESTART, /* 17 */
66 STATE_RELOGIN, /* 18 */
78 /* !! must be sorted by first column !! */
79 static struct stateswitch stateswitches[] = {
80 { STATE_START, "updates", STATE_UPDATES, 0 },
81 { STATE_START, "update", STATE_UPDATE, 0 },
82 { STATE_UPDATES, "update", STATE_UPDATE, 0 },
83 { STATE_UPDATE, "id", STATE_ID, 1 },
84 { STATE_UPDATE, "title", STATE_TITLE, 1 },
85 { STATE_UPDATE, "release", STATE_RELEASE, 1 },
86 { STATE_UPDATE, "issued", STATE_ISSUED, 1 },
87 { STATE_UPDATE, "description", STATE_DESCRIPTION, 1 },
88 { STATE_UPDATE, "message", STATE_MESSAGE , 1 },
89 { STATE_UPDATE, "references", STATE_REFERENCES, 0 },
90 { STATE_UPDATE, "pkglist", STATE_PKGLIST, 0 },
91 { STATE_REFERENCES, "reference", STATE_REFERENCE, 0 },
92 { STATE_PKGLIST, "collection", STATE_COLLECTION, 0 },
93 { STATE_COLLECTION, "name", STATE_NAME, 1 },
94 { STATE_COLLECTION, "package", STATE_PACKAGE, 0 },
95 { STATE_PACKAGE, "filename", STATE_FILENAME, 1 },
96 { STATE_PACKAGE, "reboot_suggested",STATE_REBOOT, 1 },
97 { STATE_PACKAGE, "restart_suggested",STATE_RESTART, 1 },
98 { STATE_PACKAGE, "relogin_suggested",STATE_RELOGIN, 1 },
113 unsigned int datanum;
117 struct stateswitch *swtab[NUMSTATES];
118 enum state sbtab[NUMSTATES];
122 * if we have seen a <filename>...
123 * inside of <package>...
126 * If not, we must insert an empty filename to UPDATE_COLLECTION_FILENAME
127 * at </package> in order to keep all UPDATE_COLLECTION_* arrays in sync
131 * create evr (as Id) from 'epoch', 'version' and 'release' attributes
135 makeevr_atts(Pool *pool, struct parsedata *pd, const char **atts)
137 const char *e, *v, *r, *v2;
142 for (; *atts; atts += 2)
144 if (!strcmp(*atts, "epoch"))
146 else if (!strcmp(*atts, "version"))
148 else if (!strcmp(*atts, "release"))
151 if (e && !strcmp(e, "0"))
155 for (v2 = v; *v2 >= '0' && *v2 <= '9'; v2++)
157 if (v2 > v && *v2 == ':')
167 if (l > pd->acontent)
169 pd->content = realloc(pd->content, l + 256);
170 pd->acontent = l + 256;
194 fprintf(stderr, "evr: %s\n", pd->content);
196 return str2id(pool, pd->content, 1);
202 startElement(void *userData, const char *name, const char **atts)
204 struct parsedata *pd = userData;
205 Pool *pool = pd->pool;
206 Solvable *solvable = pd->solvable;
207 struct stateswitch *sw;
208 /*const char *str; */
211 fprintf(stderr, "start: [%d]%s\n", pd->state, name);
213 if (pd->depth != pd->statedepth)
220 if (!pd->swtab[pd->state])
222 for (sw = pd->swtab[pd->state]; sw->from == pd->state; sw++) /* find name in statetable */
223 if (!strcmp(sw->ename, name))
226 if (sw->from != pd->state)
229 fprintf(stderr, "into unknown: %s (from: %d)\n", name, pd->state);
235 pd->docontent = sw->docontent;
236 pd->statedepth = pd->depth;
247 * <update from="rel-eng@fedoraproject.org"
249 * type="bugfix" (enhancement, security)
254 const char *from = 0, *status = 0, *type = 0, *version = 0;
255 for (; *atts; atts += 2)
257 if (!strcmp(*atts, "from"))
259 else if (!strcmp(*atts, "status"))
261 else if (!strcmp(*atts, "type"))
263 else if (!strcmp(*atts, "version"))
268 solvable = pd->solvable = pool_id2solvable(pool, repo_add_solvable(pd->repo));
269 pd->datanum = pd->solvable - pool->solvables;
271 solvable->vendor = str2id(pool, from, 1);
272 solvable->evr = str2id(pool, version, 1);
273 solvable->arch = ARCH_NOARCH;
275 repodata_set_str(pd->data, pd->datanum, SOLVABLE_PATCHCATEGORY, type);
278 /* <id>FEDORA-2007-4594</id> */
281 /* <title>imlib-1.9.15-6.fc8</title> */
284 /* <release>Fedora 8</release> */
287 /* <issued date="2008-03-21 21:36:55"/>
291 const char *date = 0;
292 for (; *atts; atts += 2)
294 if (!strcmp(*atts, "date"))
299 if (strlen(date) == strspn(date, "0123456789"))
300 repodata_set_num(pd->data, pd->datanum, SOLVABLE_BUILDTIME, atoi(date));
303 /* FIXME: must convert to interger! */
304 repodata_set_str(pd->data, pd->datanum, SOLVABLE_BUILDTIME, date);
309 case STATE_REFERENCES:
311 /* <reference href="https://bugzilla.redhat.com/show_bug.cgi?id=330471"
313 * title="LDAP schema file missing for dhcpd"
316 case STATE_REFERENCE:
318 const char *href = 0, *id = 0, *title = 0, *type = 0;
320 for (; *atts; atts += 2)
322 if (!strcmp(*atts, "href"))
324 else if (!strcmp(*atts, "id"))
326 else if (!strcmp(*atts, "title"))
328 else if (!strcmp(*atts, "type"))
331 handle = repodata_new_handle(pd->data);
333 repodata_set_str(pd->data, handle, UPDATE_REFERENCE_HREF, href);
335 repodata_set_str(pd->data, handle, UPDATE_REFERENCE_ID, id);
337 repodata_set_str(pd->data, handle, UPDATE_REFERENCE_TITLE, title);
339 repodata_set_poolstr(pd->data, handle, UPDATE_REFERENCE_TYPE, type);
340 repodata_add_flexarray(pd->data, pd->datanum, UPDATE_REFERENCE, handle);
343 /* <description>This update ...</description> */
344 case STATE_DESCRIPTION:
346 /* <message type="confirm">This update ...</message> */
351 /* <collection short="F8" */
352 case STATE_COLLECTION:
354 /* <name>Fedora 8</name> */
357 /* <package arch="ppc64" name="imlib-debuginfo" release="6.fc8"
358 * src="http://download.fedoraproject.org/pub/fedora/linux/updates/8/ppc64/imlib-debuginfo-1.9.15-6.fc8.ppc64.rpm"
362 * -> patch.conflicts: {name} < {version}.{release}
366 const char *arch = 0, *name = 0, *src = 0;
367 Id evr = makeevr_atts(pool, pd, atts); /* parse "epoch", "version", "release" */
371 for (; *atts; atts += 2)
373 if (!strcmp(*atts, "arch"))
375 else if (!strcmp(*atts, "name"))
377 else if (!strcmp(*atts, "src"))
380 /* generated Id for name */
381 n = str2id(pool, name, 1);
385 /* generate Id for arch and combine with name */
386 a = str2id(pool, arch, 1);
387 rel_id = rel2id(pool, n, a, REL_ARCH, 1);
389 rel_id = rel2id(pool, rel_id, evr, REL_LT, 1);
391 solvable->conflicts = repo_addid_dep(pd->repo, solvable->conflicts, rel_id, 0);
393 /* who needs the collection anyway? */
394 pd->collhandle = repodata_new_handle(pd->data);
395 repodata_set_id(pd->data, pd->collhandle, UPDATE_COLLECTION_NAME, n);
396 repodata_set_id(pd->data, pd->collhandle, UPDATE_COLLECTION_EVR, evr);
397 repodata_set_id(pd->data, pd->collhandle, UPDATE_COLLECTION_ARCH, a);
400 /* <filename>libntlm-0.4.2-1.fc8.x86_64.rpm</filename> */
401 /* <filename>libntlm-0.4.2-1.fc8.x86_64.rpm</filename> */
404 /* <reboot_suggested>True</reboot_suggested> */
407 /* <restart_suggested>True</restart_suggested> */
410 /* <relogin_suggested>True</relogin_suggested> */
421 endElement(void *userData, const char *name)
423 struct parsedata *pd = userData;
424 Pool *pool = pd->pool;
425 Solvable *s = pd->solvable;
426 Repo *repo = pd->repo;
429 fprintf(stderr, "end: %s\n", name);
431 if (pd->depth != pd->statedepth)
435 fprintf(stderr, "back from unknown %d %d %d\n", pd->state, pd->depth, pd->statedepth);
449 s->provides = repo_addid_dep(repo, s->provides, rel2id(pool, s->name, s->evr, REL_EQ, 1), 0);
452 s->name = str2id(pool, join2("patch", ":", pd->content), 1);
454 /* <title>imlib-1.9.15-6.fc8</title> */
456 while (pd->lcontent > 0 && pd->content[pd->lcontent - 1] == '\n')
457 pd->content[--pd->lcontent] = 0;
458 repodata_set_str(pd->data, pd->datanum, SOLVABLE_SUMMARY, pd->content);
461 * <release>Fedora 8</release>
467 case STATE_REFERENCES:
469 case STATE_REFERENCE:
472 * <description>This update ...</description>
474 case STATE_DESCRIPTION:
475 repodata_set_str(pd->data, pd->datanum, SOLVABLE_DESCRIPTION, pd->content);
478 * <message>Warning! ...</message>
481 repodata_set_str(pd->data, pd->datanum, UPDATE_MESSAGE, pd->content);
485 case STATE_COLLECTION:
490 repodata_add_flexarray(pd->data, pd->datanum, UPDATE_COLLECTION, pd->collhandle);
493 /* <filename>libntlm-0.4.2-1.fc8.x86_64.rpm</filename> */
494 /* <filename>libntlm-0.4.2-1.fc8.x86_64.rpm</filename> */
496 repodata_set_str(pd->data, pd->collhandle, UPDATE_COLLECTION_FILENAME, pd->content);
498 /* <reboot_suggested>True</reboot_suggested> */
500 if (pd->content[0] == 'T' || pd->content[0] == 't'|| pd->content[0] == '1')
502 /* FIXME: this is per-package, the global flag should be computed at runtime */
503 repodata_set_void(pd->data, pd->datanum, UPDATE_REBOOT);
504 repodata_set_void(pd->data, pd->collhandle, UPDATE_REBOOT);
507 /* <restart_suggested>True</restart_suggested> */
509 if (pd->content[0] == 'T' || pd->content[0] == 't'|| pd->content[0] == '1')
511 /* FIXME: this is per-package, the global flag should be computed at runtime */
512 repodata_set_void(pd->data, pd->datanum, UPDATE_RESTART);
513 repodata_set_void(pd->data, pd->collhandle, UPDATE_RESTART);
516 /* <relogin_suggested>True</relogin_suggested> */
518 if (pd->content[0] == 'T' || pd->content[0] == 't'|| pd->content[0] == '1')
520 /* FIXME: this is per-package, the global flag should be computed at runtime */
521 repodata_set_void(pd->data, pd->datanum, UPDATE_RELOGIN);
522 repodata_set_void(pd->data, pd->collhandle, UPDATE_RELOGIN);
529 pd->state = pd->sbtab[pd->state];
535 characterData(void *userData, const XML_Char *s, int len)
537 struct parsedata *pd = userData;
544 fprintf(stderr, "Content: [%d]'%.*s'\n", pd->state, len, s);
548 l = pd->lcontent + len + 1;
549 if (l > pd->acontent)
551 pd->content = realloc(pd->content, l + 256);
552 pd->acontent = l + 256;
554 c = pd->content + pd->lcontent;
562 #define BUFF_SIZE 8192
565 repo_add_updateinfoxml(Repo *repo, FILE *fp, int flags)
567 Pool *pool = repo->pool;
571 struct stateswitch *sw;
574 data = repo_add_repodata(repo, flags);
576 memset(&pd, 0, sizeof(pd));
577 for (i = 0, sw = stateswitches; sw->from != NUMSTATES; i++, sw++)
579 if (!pd.swtab[sw->from])
580 pd.swtab[sw->from] = sw;
581 pd.sbtab[sw->to] = sw->from;
587 pd.content = malloc(256);
590 XML_Parser parser = XML_ParserCreate(NULL);
591 XML_SetUserData(parser, &pd);
592 XML_SetElementHandler(parser, startElement, endElement);
593 XML_SetCharacterDataHandler(parser, characterData);
596 l = fread(buf, 1, sizeof(buf), fp);
597 if (XML_Parse(parser, buf, l, l == 0) == XML_STATUS_ERROR)
599 pool_debug(pool, SAT_FATAL, "repo_updateinfoxml: %s at line %u:%u\n", XML_ErrorString(XML_GetErrorCode(parser)), (unsigned int)XML_GetCurrentLineNumber(parser), (unsigned int)XML_GetCurrentColumnNumber(parser));
605 XML_ParserFree(parser);
609 if (!(flags & REPO_NO_INTERNALIZE))
610 repodata_internalize(data);