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.
26 #include "opkg_utils.h"
27 #include "pkg_parse.h"
28 #include "libbb/libbb.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)
49 char file_name[1024], md5sum[85];
51 if (sscanf(cstr, "%1023s %84s", file_name, md5sum) != 2) {
52 opkg_msg(ERROR, "Failed to parse Conffiles line for %s\n",
57 conffile_list_append(&pkg->conffiles, file_name, md5sum);
60 int parse_version(pkg_t * pkg, const char *vstr)
64 if (strncmp(vstr, "Version:", 8) == 0)
67 while (*vstr && isspace(*vstr))
70 colon = strchr(vstr, ':');
73 pkg_set_int(pkg, PKG_EPOCH, strtoul(vstr, NULL, 10));
75 opkg_perror(ERROR, "%s: invalid epoch", pkg->name);
80 rev = strrchr(pkg_set_string(pkg, PKG_VERSION, vstr), '-');
84 pkg_set_ptr(pkg, PKG_REVISION, rev);
90 static int get_arch_priority(const char *arch)
92 nv_pair_list_elt_t *l;
94 list_for_each_entry(l, &conf->arch_list.head, node) {
95 nv_pair_t *nv = (nv_pair_t *) l->data;
96 if (strcmp(nv->name, arch) == 0)
97 return strtol(nv->value, NULL, 0);
102 int pkg_parse_line(void *ptr, const char *line, uint mask)
104 pkg_t *pkg = (pkg_t *) ptr;
106 /* these flags are a bit hackish... */
107 static int reading_conffiles = 0, reading_description = 0;
108 static char *description = NULL;
111 /* Exclude globally masked fields. */
114 /* Flip the semantics of the mask. */
119 if ((mask & PFM_ARCHITECTURE) && is_field("Architecture", line)) {
120 pkg->arch_priority = get_arch_priority(
121 pkg_set_string(pkg, PKG_ARCHITECTURE, line + strlen("Architecture") + 1));
123 } else if ((mask & PFM_AUTO_INSTALLED)
124 && is_field("Auto-Installed", line)) {
125 char *tmp = parse_simple("Auto-Installed", line);
126 if (strcmp(tmp, "yes") == 0)
127 pkg->auto_installed = 1;
133 if ((mask & PFM_CONFFILES) && is_field("Conffiles", line)) {
134 reading_conffiles = 1;
135 reading_description = 0;
136 goto dont_reset_flags;
137 } else if ((mask & PFM_CONFLICTS)
138 && is_field("Conflicts", line))
140 parse_list(line, &pkg->conflicts_count, ',', 0);
144 if ((mask & PFM_DESCRIPTION) && is_field("Description", line)) {
145 description = parse_simple("Description", line);
146 reading_conffiles = 0;
147 reading_description = 1;
148 goto dont_reset_flags;
149 } else if ((mask & PFM_DEPENDS) && is_field("Depends", line))
151 parse_list(line, &pkg->depends_count, ',', 0);
155 if ((mask & PFM_ESSENTIAL) && is_field("Essential", line)) {
156 char *tmp = parse_simple("Essential", line);
157 if (strcmp(tmp, "yes") == 0)
164 if ((mask & PFM_FILENAME) && is_field("Filename", line))
165 pkg_set_string(pkg, PKG_FILENAME, line + strlen("Filename") + 1);
169 if ((mask & PFM_INSTALLED_SIZE)
170 && is_field("Installed-Size", line)) {
171 char *tmp = parse_simple("Installed-Size", line);
172 pkg->installed_size = strtoul(tmp, NULL, 0);
174 } else if ((mask & PFM_INSTALLED_TIME)
175 && is_field("Installed-Time", line)) {
176 char *tmp = parse_simple("Installed-Time", line);
177 pkg->installed_time = strtoul(tmp, NULL, 0);
183 if ((mask & PFM_MD5SUM) && is_field("MD5sum:", line))
184 pkg_set_string(pkg, PKG_MD5SUM, line + strlen("MD5sum") + 1);
185 /* The old opkg wrote out status files with the wrong
186 * case for MD5sum, let's parse it either way */
187 else if ((mask & PFM_MD5SUM) && is_field("MD5Sum:", line))
188 pkg_set_string(pkg, PKG_MD5SUM, line + strlen("MD5Sum") + 1);
189 else if ((mask & PFM_MAINTAINER)
190 && is_field("Maintainer", line))
191 pkg_set_string(pkg, PKG_MAINTAINER, line + strlen("Maintainer") + 1);
195 if ((mask & PFM_PACKAGE) && is_field("Package", line))
196 pkg->name = parse_simple("Package", line);
197 else if ((mask & PFM_PRIORITY) && is_field("Priority", line))
198 pkg_set_string(pkg, PKG_PRIORITY, line + strlen("Priority") + 1);
199 else if ((mask & PFM_PROVIDES) && is_field("Provides", line))
201 parse_list(line, &pkg->provides_count, ',', 0);
202 else if ((mask & PFM_PRE_DEPENDS)
203 && is_field("Pre-Depends", line))
204 pkg->pre_depends_str =
205 parse_list(line, &pkg->pre_depends_count, ',', 0);
209 if ((mask & PFM_RECOMMENDS) && is_field("Recommends", line))
210 pkg->recommends_str =
211 parse_list(line, &pkg->recommends_count, ',', 0);
212 else if ((mask & PFM_REPLACES) && is_field("Replaces", line))
214 parse_list(line, &pkg->replaces_count, ',', 0);
219 if ((mask & PFM_SECTION) && is_field("Section", line))
220 pkg_set_string(pkg, PKG_SECTION, line + strlen("Section") + 1);
222 else if ((mask & PFM_SHA256SUM) && is_field("SHA256sum", line))
223 pkg_set_string(pkg, PKG_SHA256SUM, line + strlen("SHA256sum") + 1);
225 else if ((mask & PFM_SIZE) && is_field("Size", line)) {
226 char *tmp = parse_simple("Size", line);
227 pkg->size = strtoul(tmp, NULL, 0);
229 } else if ((mask & PFM_SOURCE) && is_field("Source", line))
230 pkg_set_string(pkg, PKG_SOURCE, line + strlen("Source") + 1);
231 else if ((mask & PFM_STATUS) && is_field("Status", line))
232 parse_status(pkg, line);
233 else if ((mask & PFM_SUGGESTS) && is_field("Suggests", line))
235 parse_list(line, &pkg->suggests_count, ',', 0);
239 if ((mask & PFM_TAGS) && is_field("Tags", line))
240 pkg_set_string(pkg, PKG_TAGS, line + strlen("Tags") + 1);
244 if ((mask & PFM_VERSION) && is_field("Version", line))
245 parse_version(pkg, line);
249 if ((mask & PFM_DESCRIPTION) && reading_description) {
251 description = xrealloc(description,
255 strcat(description, "\n");
257 description = xrealloc(description,
261 strcat(description, (line));
262 goto dont_reset_flags;
263 } else if ((mask & PFM_CONFFILES) && reading_conffiles) {
264 parse_conffiles(pkg, line);
265 goto dont_reset_flags;
270 /* For package lists, signifies end of package. */
271 if (line_is_blank(line)) {
277 if (reading_description && description) {
278 pkg_set_string(pkg, PKG_DESCRIPTION, description);
280 reading_description = 0;
284 reading_conffiles = 0;
291 int pkg_parse_from_stream(pkg_t * pkg, FILE * fp, uint mask)
295 const size_t len = 4096;
299 parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf,
303 if (pkg->name == NULL) {
304 /* probably just a blank line */