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 "pkg_depends.h"
29 #include "libbb/libbb.h"
31 #include "parse_util.h"
33 static void parse_status(pkg_t * pkg, const char *sstr)
35 char sw_str[64], sf_str[64], ss_str[64];
37 if (sscanf(sstr, "Status: %63s %63s %63s", sw_str, sf_str, ss_str) != 3) {
38 opkg_msg(ERROR, "Failed to parse Status line for %s\n",
43 pkg->state_want = pkg_state_want_from_str(sw_str);
44 pkg->state_flag = pkg_state_flag_from_str(sf_str);
45 pkg->state_status = pkg_state_status_from_str(ss_str);
48 static void parse_conffiles(pkg_t * pkg, const char *cstr)
51 char file_name[1024], md5sum[85];
53 if (sscanf(cstr, "%1023s %84s", file_name, md5sum) != 2) {
54 opkg_msg(ERROR, "Failed to parse Conffiles line for %s\n",
59 cl = pkg_get_ptr(pkg, PKG_CONFFILES);
62 conffile_list_append(cl, file_name, md5sum);
65 int parse_version(pkg_t * pkg, const char *vstr)
69 if (strncmp(vstr, "Version:", 8) == 0)
72 while (*vstr && isspace(*vstr))
75 colon = strchr(vstr, ':');
78 pkg_set_int(pkg, PKG_EPOCH, strtoul(vstr, NULL, 10));
80 opkg_perror(ERROR, "%s: invalid epoch", pkg->name);
85 rev = strrchr(vstr, '-');
89 pkg_set_string(pkg, PKG_REVISION, rev);
92 pkg_set_string(pkg, PKG_VERSION, vstr);
97 static int get_arch_priority(const char *arch)
99 nv_pair_list_elt_t *l;
101 list_for_each_entry(l, &conf->arch_list.head, node) {
102 nv_pair_t *nv = (nv_pair_t *) l->data;
103 if (strcmp(nv->name, arch) == 0)
104 return strtol(nv->value, NULL, 0);
109 int pkg_parse_line(void *ptr, const char *line, uint mask)
111 pkg_t *pkg = (pkg_t *) ptr;
112 abstract_pkg_t *ab_pkg = NULL;
114 /* these flags are a bit hackish... */
115 static int reading_conffiles = 0, reading_description = 0;
116 static char *description = NULL;
119 /* Exclude globally masked fields. */
122 /* Flip the semantics of the mask. */
127 if ((mask & PFM_ARCHITECTURE) && is_field("Architecture", line)) {
128 pkg_set_int(pkg, PKG_ARCH_PRIORITY, get_arch_priority(
129 pkg_set_string(pkg, PKG_ARCHITECTURE, line + strlen("Architecture") + 1)));
131 } else if ((mask & PFM_AUTO_INSTALLED)
132 && is_field("Auto-Installed", line)) {
133 char *tmp = parse_simple("Auto-Installed", line);
134 if (strcmp(tmp, "yes") == 0)
135 pkg->auto_installed = 1;
141 if ((mask & PFM_CONFFILES) && is_field("Conffiles", line)) {
142 reading_conffiles = 1;
143 reading_description = 0;
144 goto dont_reset_flags;
145 } else if ((mask & PFM_CONFLICTS)
146 && is_field("Conflicts", line))
147 parse_deplist(pkg, CONFLICTS, line + strlen("Conflicts") + 1);
151 if ((mask & PFM_DESCRIPTION) && is_field("Description", line)) {
152 description = parse_simple("Description", line);
153 reading_conffiles = 0;
154 reading_description = 1;
155 goto dont_reset_flags;
156 } else if ((mask & PFM_DEPENDS) && is_field("Depends", line))
157 parse_deplist(pkg, DEPEND, line + strlen("Depends") + 1);
161 if ((mask & PFM_ESSENTIAL) && is_field("Essential", line)) {
162 char *tmp = parse_simple("Essential", line);
163 if (strcmp(tmp, "yes") == 0)
170 if ((mask & PFM_FILENAME) && is_field("Filename", line))
171 pkg_set_string(pkg, PKG_FILENAME, line + strlen("Filename") + 1);
175 if ((mask & PFM_INSTALLED_SIZE)
176 && is_field("Installed-Size", line)) {
177 pkg_set_int(pkg, PKG_INSTALLED_SIZE, strtoul(line + strlen("Installed-Size") + 1, NULL, 0));
178 } else if ((mask & PFM_INSTALLED_TIME)
179 && is_field("Installed-Time", line)) {
180 pkg_set_int(pkg, PKG_INSTALLED_TIME, strtoul(line + strlen("Installed-Time") + 1, NULL, 0));
185 if ((mask & PFM_MD5SUM) && is_field("MD5sum:", line))
186 pkg_set_string(pkg, PKG_MD5SUM, line + strlen("MD5sum") + 1);
187 /* The old opkg wrote out status files with the wrong
188 * case for MD5sum, let's parse it either way */
189 else if ((mask & PFM_MD5SUM) && is_field("MD5Sum:", line))
190 pkg_set_string(pkg, PKG_MD5SUM, line + strlen("MD5Sum") + 1);
191 else if ((mask & PFM_MAINTAINER)
192 && is_field("Maintainer", line))
193 pkg_set_string(pkg, PKG_MAINTAINER, line + strlen("Maintainer") + 1);
197 if ((mask & PFM_PACKAGE) && is_field("Package", line))
198 pkg->name = parse_simple("Package", line);
199 else if ((mask & PFM_PRIORITY) && is_field("Priority", line))
200 pkg_set_string(pkg, PKG_PRIORITY, line + strlen("Priority") + 1);
201 else if ((mask & PFM_PROVIDES) && is_field("Provides", line))
202 parse_providelist(pkg, line + strlen("Provides") + 1);
203 else if ((mask & PFM_PRE_DEPENDS)
204 && is_field("Pre-Depends", line))
205 parse_deplist(pkg, PREDEPEND, line + strlen("Pre-Depends") + 1);
209 if ((mask & PFM_RECOMMENDS) && is_field("Recommends", line))
210 parse_deplist(pkg, RECOMMEND, line + strlen("Recommends") + 1);
211 else if ((mask & PFM_REPLACES) && is_field("Replaces", line))
212 parse_replacelist(pkg, line + strlen("Replaces") + 1);
216 if ((mask & PFM_SECTION) && is_field("Section", line))
217 pkg_set_string(pkg, PKG_SECTION, line + strlen("Section") + 1);
219 else if ((mask & PFM_SHA256SUM) && is_field("SHA256sum", line))
220 pkg_set_string(pkg, PKG_SHA256SUM, line + strlen("SHA256sum") + 1);
222 else if ((mask & PFM_SIZE) && is_field("Size", line)) {
223 pkg_set_int(pkg, PKG_SIZE, strtoul(line + strlen("Size") + 1, NULL, 0));
224 } else if ((mask & PFM_SOURCE) && is_field("Source", line))
225 pkg_set_string(pkg, PKG_SOURCE, line + strlen("Source") + 1);
226 else if ((mask & PFM_STATUS) && is_field("Status", line))
227 parse_status(pkg, line);
228 else if ((mask & PFM_SUGGESTS) && is_field("Suggests", line))
229 parse_deplist(pkg, SUGGEST, line + strlen("Suggests") + 1);
233 if ((mask & PFM_TAGS) && is_field("Tags", line))
234 pkg_set_string(pkg, PKG_TAGS, line + strlen("Tags") + 1);
238 if ((mask & PFM_VERSION) && is_field("Version", line))
239 parse_version(pkg, line);
243 if ((mask & PFM_DESCRIPTION) && reading_description) {
245 description = xrealloc(description,
249 strcat(description, "\n");
251 description = xrealloc(description,
255 strcat(description, (line));
256 goto dont_reset_flags;
257 } else if ((mask & PFM_CONFFILES) && reading_conffiles) {
258 parse_conffiles(pkg, line);
259 goto dont_reset_flags;
264 /* For package lists, signifies end of package. */
265 if (line_is_blank(line)) {
271 if (reading_description && description) {
272 pkg_set_string(pkg, PKG_DESCRIPTION, description);
274 reading_description = 0;
278 reading_conffiles = 0;
285 int pkg_parse_from_stream(pkg_t * pkg, FILE * fp, uint mask)
289 const size_t len = 4096;
293 parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf,
297 if (pkg->name == NULL) {
298 /* probably just a blank line */