1 /* opkg_conf.c - the opkg package management system
3 Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
6 Copyright (C) 2001 University of Southern California
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.
20 #include <sys/types.h>
26 #include "opkg_conf.h"
30 #include "sprintf_alloc.h"
31 #include "opkg_message.h"
32 #include "file_util.h"
33 #include "opkg_defines.h"
34 #include "libbb/libbb.h"
37 static char *lock_file = NULL;
39 static opkg_conf_t _conf;
40 opkg_conf_t *conf = &_conf;
45 opkg_option_t options[] = {
46 {"cache", OPKG_OPT_TYPE_STRING, &_conf.cache},
47 {"force_defaults", OPKG_OPT_TYPE_BOOL, &_conf.force_defaults},
48 {"force_maintainer", OPKG_OPT_TYPE_BOOL, &_conf.force_maintainer},
49 {"force_depends", OPKG_OPT_TYPE_BOOL, &_conf.force_depends},
50 {"force_overwrite", OPKG_OPT_TYPE_BOOL, &_conf.force_overwrite},
51 {"force_downgrade", OPKG_OPT_TYPE_BOOL, &_conf.force_downgrade},
52 {"force_reinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_reinstall},
53 {"force_space", OPKG_OPT_TYPE_BOOL, &_conf.force_space},
54 {"force_postinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_postinstall},
55 {"force_checksum", OPKG_OPT_TYPE_BOOL, &_conf.force_checksum},
56 {"check_signature", OPKG_OPT_TYPE_BOOL, &_conf.check_signature},
57 {"no_check_certificate", OPKG_OPT_TYPE_BOOL, &_conf.no_check_certificate},
58 {"ftp_proxy", OPKG_OPT_TYPE_STRING, &_conf.ftp_proxy},
59 {"http_proxy", OPKG_OPT_TYPE_STRING, &_conf.http_proxy},
60 {"no_proxy", OPKG_OPT_TYPE_STRING, &_conf.no_proxy},
61 {"test", OPKG_OPT_TYPE_BOOL, &_conf.noaction},
62 {"noaction", OPKG_OPT_TYPE_BOOL, &_conf.noaction},
63 {"download_only", OPKG_OPT_TYPE_BOOL, &_conf.download_only},
64 {"nodeps", OPKG_OPT_TYPE_BOOL, &_conf.nodeps},
65 {"nocase", OPKG_OPT_TYPE_BOOL, &_conf.nocase},
66 {"offline_root", OPKG_OPT_TYPE_STRING, &_conf.offline_root},
67 {"overlay_root", OPKG_OPT_TYPE_STRING, &_conf.overlay_root},
68 {"proxy_passwd", OPKG_OPT_TYPE_STRING, &_conf.proxy_passwd},
69 {"proxy_user", OPKG_OPT_TYPE_STRING, &_conf.proxy_user},
70 {"query-all", OPKG_OPT_TYPE_BOOL, &_conf.query_all},
71 {"size", OPKG_OPT_TYPE_BOOL, &_conf.size},
72 {"tmp_dir", OPKG_OPT_TYPE_STRING, &_conf.tmp_dir},
73 {"verbosity", OPKG_OPT_TYPE_INT, &_conf.verbosity},
77 static int resolve_pkg_dest_list(void)
79 nv_pair_list_elt_t *iter;
84 for (iter = nv_pair_list_first(&conf->tmp_dest_list); iter;
85 iter = nv_pair_list_next(&conf->tmp_dest_list, iter)) {
86 nv_pair = (nv_pair_t *) iter->data;
88 if (conf->offline_root) {
89 sprintf_alloc(&root_dir, "%s%s", conf->offline_root,
92 root_dir = xstrdup(nv_pair->value);
96 pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name,
97 root_dir, conf->lists_dir);
100 if (conf->default_dest == NULL)
101 conf->default_dest = dest;
103 if (conf->dest_str && !strcmp(dest->name, conf->dest_str)) {
104 conf->default_dest = dest;
105 conf->restrict_to_default_dest = 1;
109 if (conf->dest_str && !conf->restrict_to_default_dest) {
110 opkg_msg(ERROR, "Unknown dest name: `%s'.\n", conf->dest_str);
117 static int opkg_conf_set_option(const char *name, const char *value)
121 while (options[i].name) {
122 if (strcmp(options[i].name, name) == 0) {
123 switch (options[i].type) {
124 case OPKG_OPT_TYPE_BOOL:
125 if (*(int *)options[i].value) {
127 "Duplicate boolean option %s, "
128 "leaving this option on.\n",
132 *((int *const)options[i].value) = 1;
134 case OPKG_OPT_TYPE_INT:
136 if (*(int *)options[i].value) {
138 "Duplicate option %s, "
139 "using first seen value \"%d\".\n",
145 *((int *const)options[i].value) =
150 "Option %s needs an argument\n",
154 case OPKG_OPT_TYPE_STRING:
156 if (*(char **)options[i].value) {
158 "Duplicate option %s, "
159 "using first seen value \"%s\".\n",
161 *((char **)options[i].
165 *((char **const)options[i].value) =
170 "Option %s needs an argument\n",
179 opkg_msg(ERROR, "Unrecognized option: %s=%s\n", name, value);
184 opkg_conf_parse_file(const char *filename,
185 pkg_src_list_t * pkg_src_list,
186 pkg_src_list_t * dist_src_list)
191 regex_t valid_line_re, comment_re;
192 #define regmatch_size 14
193 regmatch_t regmatch[regmatch_size];
195 file = fopen(filename, "r");
197 opkg_perror(ERROR, "Failed to open %s", filename);
202 opkg_msg(INFO, "Loading conf file %s.\n", filename);
204 err = xregcomp(&comment_re,
205 "^[[:space:]]*(#.*|[[:space:]]*)$", REG_EXTENDED);
209 err = xregcomp(&valid_line_re,
210 "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
211 "[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
212 "[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
213 "([[:space:]]+([^[:space:]]+))?([[:space:]]+(.*))?[[:space:]]*$",
220 char *type, *name, *value, *extra;
224 line = file_read_line_alloc(file);
228 if (regexec(&comment_re, line, 0, 0, 0) == 0)
231 if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) ==
233 opkg_msg(ERROR, "%s:%d: Ignoring invalid line: `%s'\n",
234 filename, line_num, line);
238 /* This has to be so ugly to deal with optional quotation marks */
239 if (regmatch[2].rm_so > 0) {
240 type = xstrndup(line + regmatch[2].rm_so,
241 regmatch[2].rm_eo - regmatch[2].rm_so);
243 type = xstrndup(line + regmatch[3].rm_so,
244 regmatch[3].rm_eo - regmatch[3].rm_so);
247 if (regmatch[5].rm_so > 0) {
248 name = xstrndup(line + regmatch[5].rm_so,
249 regmatch[5].rm_eo - regmatch[5].rm_so);
251 name = xstrndup(line + regmatch[6].rm_so,
252 regmatch[6].rm_eo - regmatch[6].rm_so);
255 if (regmatch[8].rm_so > 0) {
256 value = xstrndup(line + regmatch[8].rm_so,
257 regmatch[8].rm_eo - regmatch[8].rm_so);
259 value = xstrndup(line + regmatch[9].rm_so,
260 regmatch[9].rm_eo - regmatch[9].rm_so);
264 if (regmatch[11].rm_so > 0) {
265 if (regmatch[13].rm_so > 0
266 && regmatch[13].rm_so != regmatch[13].rm_eo)
268 xstrndup(line + regmatch[11].rm_so,
272 extra = xstrndup(line + regmatch[11].rm_so,
277 if (regmatch[13].rm_so != regmatch[13].rm_eo
278 && strncmp(type, "dist", 4) != 0) {
280 "%s:%d: Ignoring config line with trailing garbage: `%s'\n",
281 filename, line_num, line);
284 /* We use the conf->tmp_dest_list below instead of
285 conf->pkg_dest_list because we might encounter an
286 offline_root option later and that would invalidate the
287 directories we would have computed in
288 pkg_dest_list_init. (We do a similar thing with
289 tmp_src_nv_pair_list for sake of symmetry.) */
290 if (strcmp(type, "option") == 0) {
291 opkg_conf_set_option(name, value);
292 } else if (strcmp(type, "dist") == 0) {
293 if (!nv_pair_list_find
294 ((nv_pair_list_t *) dist_src_list, name)) {
295 pkg_src_list_append(dist_src_list, name,
299 "Duplicate dist declaration (%s %s). "
300 "Skipping.\n", name, value);
302 } else if (strcmp(type, "dist/gz") == 0) {
303 if (!nv_pair_list_find
304 ((nv_pair_list_t *) dist_src_list, name)) {
305 pkg_src_list_append(dist_src_list, name,
309 "Duplicate dist declaration (%s %s). "
310 "Skipping.\n", name, value);
312 } else if (strcmp(type, "src") == 0) {
313 if (!nv_pair_list_find
314 ((nv_pair_list_t *) pkg_src_list, name)) {
315 pkg_src_list_append(pkg_src_list, name,
319 "Duplicate src declaration (%s %s). "
320 "Skipping.\n", name, value);
322 } else if (strcmp(type, "src/gz") == 0) {
323 if (!nv_pair_list_find
324 ((nv_pair_list_t *) pkg_src_list, name)) {
325 pkg_src_list_append(pkg_src_list, name,
329 "Duplicate src declaration (%s %s). "
330 "Skipping.\n", name, value);
332 } else if (strcmp(type, "dest") == 0) {
333 nv_pair_list_append(&conf->tmp_dest_list, name,
335 } else if (strcmp(type, "lists_dir") == 0) {
336 conf->lists_dir = xstrdup(value);
337 } else if (strcmp(type, "arch") == 0) {
339 "Supported arch %s priority (%s)\n",
343 "No priority given for architecture %s,"
344 "defaulting to 10\n", name);
345 value = xstrdup("10");
347 nv_pair_list_append(&conf->arch_list, name,
351 "%s:%d: Ignoring invalid line: `%s'\n",
352 filename, line_num, line);
367 regfree(&valid_line_re);
369 regfree(&comment_re);
371 if (fclose(file) == EOF) {
372 opkg_perror(ERROR, "Couldn't close %s", filename);
379 int opkg_conf_write_status_files(void)
381 pkg_dest_list_elt_t *iter;
390 list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
391 dest = (pkg_dest_t *) iter->data;
393 dest->status_fp = fopen(dest->status_file_name, "w");
394 if (dest->status_fp == NULL && errno != EROFS) {
395 opkg_perror(ERROR, "Can't open status file %s",
396 dest->status_file_name);
401 all = pkg_vec_alloc();
402 pkg_hash_fetch_available(all);
404 for (i = 0; i < all->len; i++) {
406 /* We don't need most uninstalled packages in the status file */
407 if (pkg->state_status == SS_NOT_INSTALLED
408 && (pkg->state_want == SW_UNKNOWN
409 || (pkg->state_want == SW_DEINSTALL
410 && pkg->state_flag != SF_HOLD)
411 || pkg->state_want == SW_PURGE)) {
414 if (pkg->dest == NULL) {
416 "Internal error: package %s has a NULL dest\n",
420 if (pkg->dest->status_fp)
421 pkg_print_status(pkg, pkg->dest->status_fp);
426 list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
427 dest = (pkg_dest_t *) iter->data;
428 if (dest->status_fp && fclose(dest->status_fp) == EOF) {
429 opkg_perror(ERROR, "Couldn't close %s",
430 dest->status_file_name);
438 char *root_filename_alloc(char *filename)
441 sprintf_alloc(&root_filename, "%s%s",
442 (conf->offline_root ? conf->offline_root : ""), filename);
443 return root_filename;
446 static int glob_errfunc(const char *epath, int eerrno)
448 if (eerrno == ENOENT)
449 /* If leading dir does not exist, we get GLOB_NOMATCH. */
452 opkg_msg(ERROR, "glob failed for %s: %s\n", epath, strerror(eerrno));
456 int opkg_conf_init(void)
458 pkg_src_list_init(&conf->pkg_src_list);
459 pkg_src_list_init(&conf->dist_src_list);
460 pkg_dest_list_init(&conf->pkg_dest_list);
461 pkg_dest_list_init(&conf->tmp_dest_list);
462 nv_pair_list_init(&conf->arch_list);
467 int opkg_conf_load(void)
470 char *tmp, *tmp_dir_base, **tmp_val;
472 char *etc_opkg_conf_pattern;
474 conf->restrict_to_default_dest = 0;
475 conf->default_dest = NULL;
477 if (!conf->offline_root)
478 conf->offline_root = xstrdup(getenv("OFFLINE_ROOT"));
480 if (conf->conf_file) {
482 if (stat(conf->conf_file, &st) == -1) {
483 opkg_perror(ERROR, "Couldn't stat %s", conf->conf_file);
486 if (opkg_conf_parse_file(conf->conf_file,
488 &conf->dist_src_list))
492 if (conf->offline_root)
493 sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf",
496 const char *conf_file_dir = getenv("OPKG_CONF_DIR");
497 if (conf_file_dir == NULL)
498 conf_file_dir = OPKG_CONF_DEFAULT_CONF_FILE_DIR;
499 sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf",
503 memset(&globbuf, 0, sizeof(globbuf));
504 glob_ret = glob(etc_opkg_conf_pattern, 0, glob_errfunc, &globbuf);
505 if (glob_ret && glob_ret != GLOB_NOMATCH) {
506 free(etc_opkg_conf_pattern);
511 free(etc_opkg_conf_pattern);
513 for (i = 0; i < globbuf.gl_pathc; i++) {
514 if (globbuf.gl_pathv[i])
515 if (conf->conf_file &&
516 !strcmp(conf->conf_file, globbuf.gl_pathv[i]))
518 if (opkg_conf_parse_file(globbuf.gl_pathv[i],
520 &conf->dist_src_list) < 0) {
528 if (conf->offline_root)
529 sprintf_alloc(&lock_file, "%s/%s", conf->offline_root,
532 sprintf_alloc(&lock_file, "%s", OPKGLOCKFILE);
534 lock_fd = creat(lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
536 opkg_perror(ERROR, "Could not create lock file %s", lock_file);
540 if (lockf(lock_fd, F_TLOCK, (off_t) 0) == -1) {
541 opkg_perror(ERROR, "Could not lock %s", lock_file);
542 if (close(lock_fd) == -1)
543 opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
550 tmp_dir_base = conf->tmp_dir;
552 tmp_dir_base = getenv("TMPDIR");
554 sprintf_alloc(&tmp, "%s/%s",
555 tmp_dir_base ? tmp_dir_base :
556 OPKG_CONF_DEFAULT_TMP_DIR_BASE, OPKG_CONF_TMP_DIR_SUFFIX);
559 conf->tmp_dir = mkdtemp(tmp);
560 if (conf->tmp_dir == NULL) {
561 opkg_perror(ERROR, "Creating temp dir %s failed", tmp);
566 hash_table_init("file-hash", &conf->file_hash,
567 OPKG_CONF_DEFAULT_HASH_LEN);
568 hash_table_init("obs-file-hash", &conf->obs_file_hash,
569 OPKG_CONF_DEFAULT_HASH_LEN / 16);
571 if (conf->lists_dir == NULL)
572 conf->lists_dir = xstrdup(OPKG_CONF_LISTS_DIR);
574 if (conf->offline_root) {
575 sprintf_alloc(&tmp, "%s/%s", conf->offline_root,
577 free(conf->lists_dir);
578 conf->lists_dir = tmp;
581 /* if no architectures were defined, then default all, noarch, and host architecture */
582 if (nv_pair_list_empty(&conf->arch_list)) {
583 nv_pair_list_append(&conf->arch_list, "all", "1");
584 nv_pair_list_append(&conf->arch_list, "noarch", "1");
585 nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
588 /* Even if there is no conf file, we'll need at least one dest. */
589 if (nv_pair_list_empty(&conf->tmp_dest_list)) {
590 nv_pair_list_append(&conf->tmp_dest_list,
591 OPKG_CONF_DEFAULT_DEST_NAME,
592 OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
595 if (resolve_pkg_dest_list())
598 nv_pair_list_deinit(&conf->tmp_dest_list);
603 free(conf->lists_dir);
606 hash_table_deinit(&conf->file_hash);
607 hash_table_deinit(&conf->obs_file_hash);
609 if (rmdir(conf->tmp_dir) == -1)
610 opkg_perror(ERROR, "Couldn't remove dir %s", conf->tmp_dir);
612 if (lockf(lock_fd, F_ULOCK, (off_t) 0) == -1)
613 opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
615 if (close(lock_fd) == -1)
616 opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
618 if (unlink(lock_file) == -1)
619 opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
626 pkg_src_list_deinit(&conf->pkg_src_list);
627 pkg_src_list_deinit(&conf->dist_src_list);
628 pkg_dest_list_deinit(&conf->pkg_dest_list);
629 nv_pair_list_deinit(&conf->arch_list);
631 for (i = 0; options[i].name; i++) {
632 if (options[i].type == OPKG_OPT_TYPE_STRING) {
633 tmp_val = (char **)options[i].value;
641 nv_pair_list_deinit(&conf->tmp_dest_list);
643 free(conf->dest_str);
645 free(conf->conf_file);
650 void opkg_conf_deinit(void)
659 free(conf->lists_dir);
662 free(conf->dest_str);
665 free(conf->conf_file);
667 pkg_src_list_deinit(&conf->pkg_src_list);
668 pkg_src_list_deinit(&conf->dist_src_list);
669 pkg_dest_list_deinit(&conf->pkg_dest_list);
670 nv_pair_list_deinit(&conf->arch_list);
672 for (i = 0; options[i].name; i++) {
673 if (options[i].type == OPKG_OPT_TYPE_STRING) {
674 tmp = (char **)options[i].value;
682 if (conf->verbosity >= DEBUG) {
683 hash_print_stats(&conf->pkg_hash);
684 hash_print_stats(&conf->file_hash);
685 hash_print_stats(&conf->obs_file_hash);
689 hash_table_deinit(&conf->file_hash);
690 hash_table_deinit(&conf->obs_file_hash);
693 if (lockf(lock_fd, F_ULOCK, (off_t) 0) == -1)
694 opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
696 if (close(lock_fd) == -1)
697 opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
703 if (unlink(lock_file) == -1)
704 opkg_perror(ERROR, "Couldn't unlink %s", lock_file);