eca0b027c56121a46b2eb4289fd6a83945fcf48e
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 "file_util.h"
32 #include "parse_util.h"
34 static void parse_status(pkg_t
* pkg
, const char *sstr
)
36 char sw_str
[64], sf_str
[64], ss_str
[64];
38 if (sscanf(sstr
, "Status: %63s %63s %63s", sw_str
, sf_str
, ss_str
) != 3) {
39 opkg_msg(ERROR
, "Failed to parse Status line for %s\n",
44 pkg
->state_want
= pkg_state_want_from_str(sw_str
);
45 pkg
->state_flag
= pkg_state_flag_from_str(sf_str
);
46 pkg
->state_status
= pkg_state_status_from_str(ss_str
);
49 static void parse_conffiles(pkg_t
* pkg
, const char *cstr
)
52 char file_name
[1024], md5sum
[85];
54 if (sscanf(cstr
, "%1023s %84s", file_name
, md5sum
) != 2) {
55 opkg_msg(ERROR
, "Failed to parse Conffiles line for %s\n",
60 cl
= pkg_get_ptr(pkg
, PKG_CONFFILES
);
63 conffile_list_append(cl
, file_name
, md5sum
);
66 int parse_version(pkg_t
* pkg
, const char *vstr
)
70 if (strncmp(vstr
, "Version:", 8) == 0)
73 while (*vstr
&& isspace(*vstr
))
76 colon
= strchr(vstr
, ':');
79 pkg_set_int(pkg
, PKG_EPOCH
, strtoul(vstr
, NULL
, 10));
81 opkg_perror(ERROR
, "%s: invalid epoch", pkg
->name
);
86 rev
= strrchr(vstr
, '-');
90 pkg_set_string(pkg
, PKG_REVISION
, rev
);
93 pkg_set_string(pkg
, PKG_VERSION
, vstr
);
98 static char *parse_architecture(pkg_t
*pkg
, const char *str
)
108 while (e
> s
&& isspace(*e
))
111 return pkg_set_architecture(pkg
, s
, e
- s
);
114 int pkg_parse_line(void *ptr
, const char *line
, uint mask
)
116 pkg_t
*pkg
= (pkg_t
*) ptr
;
117 abstract_pkg_t
*ab_pkg
= NULL
;
119 /* these flags are a bit hackish... */
120 static int reading_conffiles
= 0, reading_description
= 0;
121 static char *description
= NULL
;
125 /* Exclude globally masked fields. */
128 /* Flip the semantics of the mask. */
133 if ((mask
& PFM_ARCHITECTURE
) && is_field("Architecture", line
))
134 parse_architecture(pkg
, line
+ strlen("Architecture") + 1);
135 else if ((mask
& PFM_AUTO_INSTALLED
)
136 && is_field("Auto-Installed", line
)) {
137 char *tmp
= parse_simple("Auto-Installed", line
);
138 if (strcmp(tmp
, "yes") == 0)
139 pkg
->auto_installed
= 1;
145 if ((mask
& PFM_CONFFILES
) && is_field("Conffiles", line
)) {
146 reading_conffiles
= 1;
147 reading_description
= 0;
148 goto dont_reset_flags
;
149 } else if ((mask
& PFM_CONFLICTS
)
150 && is_field("Conflicts", line
))
151 parse_deplist(pkg
, CONFLICTS
, line
+ strlen("Conflicts") + 1);
155 if ((mask
& PFM_DESCRIPTION
) && is_field("Description", line
)) {
156 description
= parse_simple("Description", line
);
157 reading_conffiles
= 0;
158 reading_description
= 1;
159 goto dont_reset_flags
;
160 } else if ((mask
& PFM_DEPENDS
) && is_field("Depends", line
))
161 parse_deplist(pkg
, DEPEND
, line
+ strlen("Depends") + 1);
165 if ((mask
& PFM_ESSENTIAL
) && is_field("Essential", line
)) {
166 char *tmp
= parse_simple("Essential", line
);
167 if (strcmp(tmp
, "yes") == 0)
174 if ((mask
& PFM_FILENAME
) && is_field("Filename", line
))
175 pkg_set_string(pkg
, PKG_FILENAME
, line
+ strlen("Filename") + 1);
179 if ((mask
& PFM_INSTALLED_SIZE
)
180 && is_field("Installed-Size", line
)) {
181 pkg_set_int(pkg
, PKG_INSTALLED_SIZE
, strtoul(line
+ strlen("Installed-Size") + 1, NULL
, 0));
182 } else if ((mask
& PFM_INSTALLED_TIME
)
183 && is_field("Installed-Time", line
)) {
184 pkg_set_int(pkg
, PKG_INSTALLED_TIME
, strtoul(line
+ strlen("Installed-Time") + 1, NULL
, 0));
189 if ((mask
& PFM_MD5SUM
) && (is_field("MD5sum:", line
) || is_field("MD5Sum:", line
)))
190 pkg_set_md5(pkg
, 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_sha256(pkg
, 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 */