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->epoch = strtoul(vstr, NULL, 10);
75 opkg_perror(ERROR, "%s: invalid epoch", pkg->name);
82 pkg->version = xstrdup(vstr);
83 pkg->revision = strrchr(pkg->version, '-');
86 *pkg->revision++ = '\0';
91 static int get_arch_priority(const char *arch)
93 nv_pair_list_elt_t *l;
95 list_for_each_entry(l, &conf->arch_list.head, node) {
96 nv_pair_t *nv = (nv_pair_t *) l->data;
97 if (strcmp(nv->name, arch) == 0)
98 return strtol(nv->value, NULL, 0);
103 int pkg_parse_line(void *ptr, const char *line, uint mask)
105 pkg_t *pkg = (pkg_t *) ptr;
107 /* these flags are a bit hackish... */
108 static int reading_conffiles = 0, reading_description = 0;
111 /* Exclude globally masked fields. */
114 /* Flip the semantics of the mask. */
119 if ((mask & PFM_ARCHITECTURE) && is_field("Architecture", line)) {
120 pkg->architecture = parse_simple("Architecture", line);
122 get_arch_priority(pkg->architecture);
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 pkg->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->filename = parse_simple("Filename", line);
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->md5sum = parse_simple("MD5sum", line);
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->md5sum = parse_simple("MD5Sum", line);
189 else if ((mask & PFM_MAINTAINER)
190 && is_field("Maintainer", line))
191 pkg->maintainer = parse_simple("Maintainer", line);
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->priority = parse_simple("Priority", line);
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->section = parse_simple("Section", line);
222 else if ((mask & PFM_SHA256SUM) && is_field("SHA256sum", line))
223 pkg->sha256sum = parse_simple("SHA256sum", line);
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->source = parse_simple("Source", line);
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->tags = parse_simple("Tags", line);
244 if ((mask & PFM_VERSION) && is_field("Version", line))
245 parse_version(pkg, line);
249 if ((mask & PFM_DESCRIPTION) && reading_description) {
251 pkg->description = xrealloc(pkg->description,
256 strcat(pkg->description, "\n");
258 pkg->description = xrealloc(pkg->description,
263 strcat(pkg->description, (line));
264 goto dont_reset_flags;
265 } else if ((mask & PFM_CONFFILES) && reading_conffiles) {
266 parse_conffiles(pkg, line);
267 goto dont_reset_flags;
272 /* For package lists, signifies end of package. */
273 if (line_is_blank(line)) {
279 reading_description = 0;
280 reading_conffiles = 0;
287 int pkg_parse_from_stream(pkg_t * pkg, FILE * fp, uint mask)
291 const size_t len = 4096;
295 parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf,
299 if (pkg->name == NULL) {
300 /* probably just a blank line */