1 /* pkg_parse.c - the opkg package management system
3 Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
6 Copyright (C) 2002 Compaq Computer Corporation
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
24 #include "opkg_utils.h"
25 #include "pkg_parse.h"
26 #include "pkg_depends.h"
27 #include "libbb/libbb.h"
29 #include "file_util.h"
30 #include "parse_util.h"
32 static void parse_status(pkg_t * pkg, const char *sstr)
34 char sw_str[64], sf_str[64], ss_str[64];
36 if (sscanf(sstr, "Status: %63s %63s %63s", sw_str, sf_str, ss_str) != 3) {
37 opkg_msg(ERROR, "Failed to parse Status line for %s\n",
42 pkg->state_want = pkg_state_want_from_str(sw_str);
43 pkg->state_flag |= pkg_state_flag_from_str(sf_str);
44 pkg->state_status = pkg_state_status_from_str(ss_str);
47 static void parse_conffiles(pkg_t * pkg, const char *cstr)
50 char file_name[1024], md5sum[85];
52 if (sscanf(cstr, "%1023s %84s", file_name, md5sum) != 2) {
53 opkg_msg(ERROR, "Failed to parse Conffiles line for %s\n",
58 cl = pkg_get_ptr(pkg, PKG_CONFFILES);
61 conffile_list_append(cl, file_name, md5sum);
64 int parse_version(pkg_t * pkg, const char *vstr)
66 char *colon, *dup, *rev;
68 if (strncmp(vstr, "Version:", 8) == 0)
71 while (*vstr && isspace(*vstr))
74 colon = strchr(vstr, ':');
77 pkg_set_int(pkg, PKG_EPOCH, strtoul(vstr, NULL, 10));
79 opkg_perror(ERROR, "%s: invalid epoch", pkg->name);
86 rev = strrchr(dup, '-');
90 pkg_set_string(pkg, PKG_REVISION, rev);
93 pkg_set_string(pkg, PKG_VERSION, dup);
99 static char *parse_architecture(pkg_t *pkg, const char *str)
109 while (e > s && isspace(*e))
112 return pkg_set_architecture(pkg, s, e - s);
115 static void parse_alternatives(pkg_t *pkg, char *list)
118 struct pkg_alternatives *pkg_alts;
119 struct pkg_alternative **alts;
122 pkg_alts = pkg_get_ptr(pkg, PKG_ALTERNATIVES);
127 nalts = pkg_alts->nalts;
128 alts = pkg_alts->alts;
131 for (item = strtok_r(list, ",", &tok);
133 item = strtok_r(NULL, ",", &tok)) {
134 enum pkg_alternative_field i;
136 /* the assignment was intended to quash the -Wmaybe-uninitialized warnings */
138 char *path = path, *altpath = altpath;
140 for (i = PAF_PRIO, val = strtok_r(item, ":", &tok1);
141 val && i < __PAF_MAX;
142 val = strtok_r(NULL, ":", &tok1), i++) {
157 if (!val && i == __PAF_MAX) {
158 char *_path, *_altpath;
159 struct pkg_alternative *alt;
162 * - path must be absolute
163 * - altpath must be non-empty
165 if (path[0] != '/' || !altpath[0])
168 alt = calloc_a(sizeof(*alt),
169 &_path, strlen(path) + 1,
170 &_altpath, strlen(altpath) + 1);
174 strcpy(_altpath, altpath);
177 alt->altpath = _altpath;
178 alts = xrealloc(alts, sizeof(*alts) * (nalts + 1));
185 pkg_alts = xmalloc(sizeof(*pkg_alts));
186 pkg_alts->nalts = nalts;
187 pkg_alts->alts = alts;
188 pkg_set_ptr(pkg, PKG_ALTERNATIVES, pkg_alts);
192 int pkg_parse_line(void *ptr, char *line, uint mask)
194 pkg_t *pkg = (pkg_t *) ptr;
195 abstract_pkg_t *ab_pkg = NULL;
198 /* these flags are a bit hackish... */
199 static int reading_conffiles = 0, reading_description = 0;
200 static char *description = NULL;
203 /* Exclude globally masked fields. */
206 /* Flip the semantics of the mask. */
211 if ((mask & PFM_ALTERNATIVES) && is_field("Alternatives", line))
212 parse_alternatives(pkg, line + strlen("Alternatives") + 1);
213 else if ((mask & PFM_ARCHITECTURE) && is_field("Architecture", line))
214 parse_architecture(pkg, line + strlen("Architecture") + 1);
215 else if ((mask & PFM_AUTO_INSTALLED)
216 && is_field("Auto-Installed", line)) {
217 char *tmp = parse_simple("Auto-Installed", line);
218 if (strcmp(tmp, "yes") == 0)
219 pkg->auto_installed = 1;
225 if ((mask & PFM_CONFFILES) && is_field("Conffiles", line)) {
226 reading_conffiles = 1;
227 reading_description = 0;
229 cl = xcalloc(1, sizeof(*cl));
230 conffile_list_init(cl);
231 pkg_set_ptr(pkg, PKG_CONFFILES, cl);
233 goto dont_reset_flags;
234 } else if ((mask & PFM_CONFLICTS)
235 && is_field("Conflicts", line))
236 parse_deplist(pkg, CONFLICTS, line + strlen("Conflicts") + 1);
240 if ((mask & PFM_DESCRIPTION) && is_field("Description", line)) {
241 description = parse_simple("Description", line);
242 reading_conffiles = 0;
243 reading_description = 1;
244 goto dont_reset_flags;
245 } else if ((mask & PFM_DEPENDS) && is_field("Depends", line))
246 parse_deplist(pkg, DEPEND, line + strlen("Depends") + 1);
250 if ((mask & PFM_ESSENTIAL) && is_field("Essential", line)) {
251 char *tmp = parse_simple("Essential", line);
252 if (strcmp(tmp, "yes") == 0)
259 if ((mask & PFM_FILENAME) && is_field("Filename", line))
260 pkg_set_string(pkg, PKG_FILENAME, line + strlen("Filename") + 1);
264 if ((mask & PFM_INSTALLED_SIZE)
265 && is_field("Installed-Size", line)) {
266 pkg_set_int(pkg, PKG_INSTALLED_SIZE, strtoul(line + strlen("Installed-Size") + 1, NULL, 0));
267 } else if ((mask & PFM_INSTALLED_TIME)
268 && is_field("Installed-Time", line)) {
269 pkg_set_int(pkg, PKG_INSTALLED_TIME, strtoul(line + strlen("Installed-Time") + 1, NULL, 0));
274 if ((mask & PFM_MD5SUM) && (is_field("MD5sum:", line) || is_field("MD5Sum:", line)))
275 pkg_set_md5(pkg, line + strlen("MD5sum") + 1);
276 else if ((mask & PFM_MAINTAINER)
277 && is_field("Maintainer", line))
278 pkg_set_string(pkg, PKG_MAINTAINER, line + strlen("Maintainer") + 1);
282 if ((mask & PFM_PACKAGE) && is_field("Package", line)) {
283 pkg->name = parse_simple("Package", line);
284 ab_pkg = abstract_pkg_fetch_by_name(pkg->name);
286 if (ab_pkg && (ab_pkg->state_flag & SF_NEED_DETAIL)) {
287 if (!(pkg->state_flag & SF_NEED_DETAIL)) {
288 opkg_msg(DEBUG, "propagating abpkg flag to pkg %s\n", pkg->name);
289 pkg->state_flag |= SF_NEED_DETAIL;
293 else if ((mask & PFM_PRIORITY) && is_field("Priority", line))
294 pkg_set_string(pkg, PKG_PRIORITY, line + strlen("Priority") + 1);
295 else if ((mask & PFM_PROVIDES) && is_field("Provides", line))
296 parse_providelist(pkg, line + strlen("Provides") + 1);
297 else if ((mask & PFM_PRE_DEPENDS)
298 && is_field("Pre-Depends", line))
299 parse_deplist(pkg, PREDEPEND, line + strlen("Pre-Depends") + 1);
303 if ((mask & PFM_RECOMMENDS) && is_field("Recommends", line))
304 parse_deplist(pkg, RECOMMEND, line + strlen("Recommends") + 1);
305 else if ((mask & PFM_REPLACES) && is_field("Replaces", line))
306 parse_replacelist(pkg, line + strlen("Replaces") + 1);
310 if ((mask & PFM_SECTION) && is_field("Section", line))
311 pkg_set_string(pkg, PKG_SECTION, line + strlen("Section") + 1);
312 else if ((mask & PFM_SHA256SUM) && is_field("SHA256sum", line))
313 pkg_set_sha256(pkg, line + strlen("SHA256sum") + 1);
314 else if ((mask & PFM_SIZE) && is_field("Size", line)) {
315 pkg_set_int(pkg, PKG_SIZE, strtoul(line + strlen("Size") + 1, NULL, 0));
316 } else if ((mask & PFM_SOURCE) && is_field("Source", line))
317 pkg_set_string(pkg, PKG_SOURCE, line + strlen("Source") + 1);
318 else if ((mask & PFM_STATUS) && is_field("Status", line))
319 parse_status(pkg, line);
320 else if ((mask & PFM_SUGGESTS) && is_field("Suggests", line))
321 parse_deplist(pkg, SUGGEST, line + strlen("Suggests") + 1);
325 if ((mask & PFM_TAGS) && is_field("Tags", line))
326 pkg_set_string(pkg, PKG_TAGS, line + strlen("Tags") + 1);
330 if ((mask & PFM_VERSION) && is_field("Version", line))
331 parse_version(pkg, line);
335 if ((mask & PFM_DESCRIPTION) && reading_description) {
337 description = xrealloc(description,
341 strcat(description, "\n");
343 description = xrealloc(description,
347 strcat(description, (line));
348 goto dont_reset_flags;
349 } else if ((mask & PFM_CONFFILES) && reading_conffiles) {
350 parse_conffiles(pkg, line);
351 goto dont_reset_flags;
356 /* For package lists, signifies end of package. */
357 if (line_is_blank(line)) {
363 if (reading_description && description) {
364 pkg_set_string(pkg, PKG_DESCRIPTION, description);
366 reading_description = 0;
370 reading_conffiles = 0;
377 int pkg_parse_from_stream(pkg_t * pkg, FILE * fp, uint mask)
381 const size_t len = 4096;
385 parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf,
389 if (pkg->name == NULL) {
390 /* probably just a blank line */