1 /* opkg.c - the opkg package management system
2
3 Thomas Wood <thomas@openedhand.com>
4
5 Copyright (C) 2008 OpenMoko Inc
6
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
11
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
16 */
17
18 #include <stdio.h>
19 #include <unistd.h>
20 #include <fnmatch.h>
21
22 #include "opkg.h"
23 #include "opkg_conf.h"
24
25 #include "opkg_install.h"
26 #include "opkg_configure.h"
27 #include "opkg_download.h"
28 #include "opkg_remove.h"
29 #include "opkg_upgrade.h"
30
31 #include "sprintf_alloc.h"
32 #include "file_util.h"
33
34 #include <libbb/libbb.h>
35
36 #define opkg_assert(expr) if (!(expr)) { \
37 printf ("opkg: file %s: line %d (%s): Assertation '%s' failed",\
38 __FILE__, __LINE__, __PRETTY_FUNCTION__, # expr); abort (); }
39
40 #define progress(d, p) d.percentage = p; if (progress_callback) progress_callback (&d, user_data);
41
42 /** Private Functions ***/
43
opkg_configure_packages(char * pkg_name)44 static int opkg_configure_packages(char *pkg_name)
45 {
46 pkg_vec_t *all;
47 int i;
48 pkg_t *pkg;
49 int r, err = 0;
50
51 all = pkg_vec_alloc();
52 pkg_hash_fetch_available(all);
53
54 for (i = 0; i < all->len; i++) {
55 pkg = all->pkgs[i];
56
57 if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
58 continue;
59
60 if (pkg->state_status == SS_UNPACKED) {
61 r = opkg_configure(pkg);
62 if (r == 0) {
63 pkg->state_status = SS_INSTALLED;
64 pkg->parent->state_status = SS_INSTALLED;
65 pkg->state_flag &= ~SF_PREFER;
66 } else {
67 if (!err)
68 err = r;
69 }
70 }
71 }
72
73 pkg_vec_free(all);
74 return err;
75 }
76
77 static struct opkg_conf saved_conf;
78 /*** Public API ***/
79
opkg_new()80 int opkg_new()
81 {
82 saved_conf = *conf;
83
84 if (opkg_conf_init())
85 goto err0;
86
87 if (opkg_conf_load())
88 goto err0;
89
90 if (pkg_hash_load_feeds(0))
91 goto err1;
92
93 if (pkg_hash_load_status_files())
94 goto err1;
95
96 return 0;
97
98 err1:
99 pkg_hash_deinit();
100 err0:
101 opkg_conf_deinit();
102 return -1;
103 }
104
opkg_free(void)105 void opkg_free(void)
106 {
107 opkg_conf_deinit();
108 }
109
opkg_re_read_config_files(void)110 int opkg_re_read_config_files(void)
111 {
112 opkg_free();
113 *conf = saved_conf;
114 return opkg_new();
115 }
116
opkg_get_option(char * option,void ** value)117 void opkg_get_option(char *option, void **value)
118 {
119 int i = 0;
120 extern opkg_option_t options[];
121
122 /* look up the option
123 * TODO: this would be much better as a hash table
124 */
125 while (options[i].name) {
126 if (strcmp(options[i].name, option) != 0) {
127 i++;
128 continue;
129 }
130 }
131
132 /* get the option */
133 switch (options[i].type) {
134 case OPKG_OPT_TYPE_BOOL:
135 *((int *)value) = *((int *)options[i].value);
136 return;
137
138 case OPKG_OPT_TYPE_INT:
139 *((int *)value) = *((int *)options[i].value);
140 return;
141
142 case OPKG_OPT_TYPE_STRING:
143 *((char **)value) = xstrdup(options[i].value);
144 return;
145 }
146
147 }
148
opkg_set_option(char * option,void * value)149 void opkg_set_option(char *option, void *value)
150 {
151 int i = 0, found = 0;
152 extern opkg_option_t options[];
153
154 opkg_assert(option != NULL);
155 opkg_assert(value != NULL);
156
157 /* look up the option
158 * TODO: this would be much better as a hash table
159 */
160 while (options[i].name) {
161 if (strcmp(options[i].name, option) == 0) {
162 found = 1;
163 break;
164 }
165 i++;
166 }
167
168 if (!found) {
169 opkg_msg(ERROR, "Invalid option: %s\n", option);
170 return;
171 }
172
173 /* set the option */
174 switch (options[i].type) {
175 case OPKG_OPT_TYPE_BOOL:
176 if (*((int *)value) == 0)
177 *((int *)options[i].value) = 0;
178 else
179 *((int *)options[i].value) = 1;
180 return;
181
182 case OPKG_OPT_TYPE_INT:
183 *((int *)options[i].value) = *((int *)value);
184 return;
185
186 case OPKG_OPT_TYPE_STRING:
187 *((char **)options[i].value) = xstrdup(value);
188 return;
189 }
190
191 }
192
193 /**
194 * @brief libopkg API: Install package
195 * @param package_name The name of package in which is going to install
196 * @param progress_callback The callback function that report the status to caller.
197 */
198 int
opkg_install_package(const char * package_name,opkg_progress_callback_t progress_callback,void * user_data)199 opkg_install_package(const char *package_name,
200 opkg_progress_callback_t progress_callback,
201 void *user_data)
202 {
203 int err;
204 char *stripped_filename, *local_filename;
205 opkg_progress_data_t pdata;
206 pkg_t *old, *new;
207 pkg_vec_t *deps, *all;
208 int i;
209 char **unresolved = NULL;
210 const char *filename;
211
212 opkg_assert(package_name != NULL);
213
214 /* ... */
215 pkg_info_preinstall_check();
216
217 /* check to ensure package is not already installed */
218 old = pkg_hash_fetch_installed_by_name(package_name);
219 if (old) {
220 opkg_msg(ERROR, "Package %s is already installed\n",
221 package_name);
222 return -1;
223 }
224
225 new = pkg_hash_fetch_best_installation_candidate_by_name(package_name);
226 if (!new) {
227 opkg_msg(ERROR, "Couldn't find package %s\n", package_name);
228 return -1;
229 }
230
231 new->state_flag |= SF_USER;
232
233 pdata.action = -1;
234 pdata.pkg = new;
235
236 progress(pdata, 0);
237
238 /* find dependancies and download them */
239 deps = pkg_vec_alloc();
240 /* this function does not return the original package, so we insert it later */
241 pkg_hash_fetch_unsatisfied_dependencies(new, deps, &unresolved);
242 if (unresolved) {
243 char **tmp = unresolved;
244 opkg_msg(ERROR, "Couldn't satisfy the following dependencies"
245 " for %s:\n", package_name);
246 while (*tmp) {
247 opkg_msg(ERROR, "\t%s", *tmp);
248 free(*tmp);
249 tmp++;
250 }
251 free(unresolved);
252 pkg_vec_free(deps);
253 opkg_message(ERROR, "\n");
254 return -1;
255 }
256
257 /* insert the package we are installing so that we download it */
258 pkg_vec_insert(deps, new);
259
260 /* download package and dependencies */
261 for (i = 0; i < deps->len; i++) {
262 pkg_t *pkg;
263 char *url, *urlencoded_path;
264
265 pkg = deps->pkgs[i];
266 if (pkg_get_string(pkg, PKG_LOCAL_FILENAME))
267 continue;
268
269 pdata.pkg = pkg;
270 pdata.action = OPKG_DOWNLOAD;
271
272 if (pkg->src == NULL) {
273 opkg_msg(ERROR, "Package %s not available from any "
274 "configured src\n", package_name);
275 return -1;
276 }
277
278 filename = pkg_get_string(pkg, PKG_FILENAME);
279 urlencoded_path = urlencode_path(filename);
280 sprintf_alloc(&url, "%s/%s", pkg->src->value, urlencoded_path);
281 free(urlencoded_path);
282
283 /* Get the filename part, without any directory */
284 stripped_filename = strrchr(filename, '/');
285 if (!stripped_filename)
286 stripped_filename = (char *)filename;
287
288 sprintf_alloc(&local_filename, "%s/%s", conf->tmp_dir,
289 stripped_filename);
290
291 pkg_set_string(pkg, PKG_LOCAL_FILENAME, local_filename);
292
293 err = opkg_download(url, local_filename, 0);
294 free(url);
295
296 if (err) {
297 pkg_vec_free(deps);
298 return -1;
299 }
300
301 }
302 pkg_vec_free(deps);
303
304 /* clear depenacy checked marks, left by pkg_hash_fetch_unsatisfied_dependencies */
305 all = pkg_vec_alloc();
306 pkg_hash_fetch_available(all);
307 for (i = 0; i < all->len; i++) {
308 all->pkgs[i]->parent->dependencies_checked = 0;
309 }
310 pkg_vec_free(all);
311
312 /* 75% of "install" progress is for downloading */
313 pdata.pkg = new;
314 pdata.action = OPKG_INSTALL;
315 progress(pdata, 75);
316
317 /* unpack the package */
318 err = opkg_install_pkg(new, 0);
319
320 if (err) {
321 return -1;
322 }
323
324 progress(pdata, 75);
325
326 /* run configure scripts, etc. */
327 err = opkg_configure_packages(NULL);
328 if (err) {
329 return -1;
330 }
331
332 /* write out status files and file lists */
333 opkg_conf_write_status_files();
334 pkg_write_changed_filelists();
335
336 progress(pdata, 100);
337 return 0;
338 }
339
340 int
opkg_remove_package(const char * package_name,opkg_progress_callback_t progress_callback,void * user_data)341 opkg_remove_package(const char *package_name,
342 opkg_progress_callback_t progress_callback, void *user_data)
343 {
344 int err;
345 pkg_t *pkg = NULL;
346 pkg_t *pkg_to_remove;
347 opkg_progress_data_t pdata;
348
349 opkg_assert(package_name != NULL);
350
351 pkg_info_preinstall_check();
352
353 pkg = pkg_hash_fetch_installed_by_name(package_name);
354
355 if (pkg == NULL || pkg->state_status == SS_NOT_INSTALLED) {
356 opkg_msg(ERROR, "Package %s not installed\n", package_name);
357 return -1;
358 }
359
360 pdata.action = OPKG_REMOVE;
361 pdata.pkg = pkg;
362 progress(pdata, 0);
363
364 if (conf->restrict_to_default_dest) {
365 pkg_to_remove = pkg_hash_fetch_installed_by_name_dest(pkg->name,
366 conf->
367 default_dest);
368 } else {
369 pkg_to_remove = pkg_hash_fetch_installed_by_name(pkg->name);
370 }
371
372 progress(pdata, 75);
373
374 err = opkg_remove_pkg(pkg_to_remove, 0);
375
376 /* write out status files and file lists */
377 opkg_conf_write_status_files();
378 pkg_write_changed_filelists();
379
380 progress(pdata, 100);
381 return (err) ? -1 : 0;
382 }
383
384 int
opkg_upgrade_package(const char * package_name,opkg_progress_callback_t progress_callback,void * user_data)385 opkg_upgrade_package(const char *package_name,
386 opkg_progress_callback_t progress_callback,
387 void *user_data)
388 {
389 int err;
390 pkg_t *pkg;
391 opkg_progress_data_t pdata;
392
393 opkg_assert(package_name != NULL);
394
395 pkg_info_preinstall_check();
396
397 if (conf->restrict_to_default_dest) {
398 pkg = pkg_hash_fetch_installed_by_name_dest(package_name,
399 conf->default_dest);
400 } else {
401 pkg = pkg_hash_fetch_installed_by_name(package_name);
402 }
403
404 if (!pkg) {
405 opkg_msg(ERROR, "Package %s not installed\n", package_name);
406 return -1;
407 }
408
409 pdata.action = OPKG_INSTALL;
410 pdata.pkg = pkg;
411 progress(pdata, 0);
412
413 err = opkg_upgrade_pkg(pkg);
414 if (err) {
415 return -1;
416 }
417 progress(pdata, 75);
418
419 err = opkg_configure_packages(NULL);
420 if (err) {
421 return -1;
422 }
423
424 /* write out status files and file lists */
425 opkg_conf_write_status_files();
426 pkg_write_changed_filelists();
427
428 progress(pdata, 100);
429 return 0;
430 }
431
432 int
opkg_upgrade_all(opkg_progress_callback_t progress_callback,void * user_data)433 opkg_upgrade_all(opkg_progress_callback_t progress_callback, void *user_data)
434 {
435 pkg_vec_t *installed;
436 int err = 0;
437 int i;
438 pkg_t *pkg;
439 opkg_progress_data_t pdata;
440
441 pdata.action = OPKG_INSTALL;
442 pdata.pkg = NULL;
443
444 progress(pdata, 0);
445
446 installed = pkg_vec_alloc();
447 pkg_info_preinstall_check();
448
449 pkg_hash_fetch_all_installed(installed);
450 for (i = 0; i < installed->len; i++) {
451 pkg = installed->pkgs[i];
452
453 pdata.pkg = pkg;
454 progress(pdata, 99 * i / installed->len);
455
456 err += opkg_upgrade_pkg(pkg);
457 }
458 pkg_vec_free(installed);
459
460 if (err)
461 return 1;
462
463 err = opkg_configure_packages(NULL);
464 if (err)
465 return 1;
466
467 /* write out status files and file lists */
468 opkg_conf_write_status_files();
469 pkg_write_changed_filelists();
470
471 pdata.pkg = NULL;
472 progress(pdata, 100);
473 return 0;
474 }
475
476 int
opkg_update_package_lists(opkg_progress_callback_t progress_callback,void * user_data)477 opkg_update_package_lists(opkg_progress_callback_t progress_callback,
478 void *user_data)
479 {
480 char *tmp;
481 int err, result = 0;
482 char *lists_dir;
483 pkg_src_list_elt_t *iter;
484 pkg_src_t *src;
485 int sources_list_count, sources_done;
486 opkg_progress_data_t pdata;
487
488 pdata.action = OPKG_DOWNLOAD;
489 pdata.pkg = NULL;
490 progress(pdata, 0);
491
492 sprintf_alloc(&lists_dir, "%s", (conf->restrict_to_default_dest)
493 ? conf->default_dest->lists_dir : conf->lists_dir);
494
495 if (!file_is_dir(lists_dir)) {
496 if (file_exists(lists_dir)) {
497 opkg_msg(ERROR, "%s is not a directory\n", lists_dir);
498 free(lists_dir);
499 return 1;
500 }
501
502 err = file_mkdir_hier(lists_dir, 0755);
503 if (err) {
504 opkg_msg(ERROR, "Couldn't create lists_dir %s\n",
505 lists_dir);
506 free(lists_dir);
507 return 1;
508 }
509 }
510
511 sprintf_alloc(&tmp, "%s/update-XXXXXX", conf->tmp_dir);
512 if (mkdtemp(tmp) == NULL) {
513 opkg_perror(ERROR, "Coundn't create temporary directory %s",
514 tmp);
515 free(lists_dir);
516 free(tmp);
517 return 1;
518 }
519
520 /* count the number of sources so we can give some progress updates */
521 sources_list_count = 0;
522 sources_done = 0;
523 list_for_each_entry(iter, &conf->pkg_src_list.head, node) {
524 sources_list_count++;
525 }
526
527 list_for_each_entry(iter, &conf->pkg_src_list.head, node) {
528 char *url, *list_file_name = NULL;
529
530 src = (pkg_src_t *) iter->data;
531
532 if (src->extra_data) /* debian style? */
533 sprintf_alloc(&url, "%s/%s/%s", src->value,
534 src->extra_data,
535 src->gzip ? "Packages.gz" : "Packages");
536 else
537 sprintf_alloc(&url, "%s/%s", src->value,
538 src->gzip ? "Packages.gz" : "Packages");
539
540 sprintf_alloc(&list_file_name, "%s/%s", lists_dir, src->name);
541
542 if (opkg_download(url, list_file_name, 0)) {
543 opkg_msg(ERROR, "Couldn't retrieve %s\n", url);
544 result = -1;
545 }
546 free(url);
547
548 #if defined(HAVE_USIGN)
549 if (conf->check_signature) {
550 char *sig_file_name;
551 /* download detached signitures to verify the package lists */
552 /* get the url for the sig file */
553 if (src->extra_data) /* debian style? */
554 sprintf_alloc(&url, "%s/%s/%s", src->value,
555 src->extra_data, "Packages.sig");
556 else
557 sprintf_alloc(&url, "%s/%s", src->value,
558 "Packages.sig");
559
560 /* create filename for signature */
561 sprintf_alloc(&sig_file_name, "%s/%s.sig", lists_dir,
562 src->name);
563
564 /* make sure there is no existing signature file */
565 unlink(sig_file_name);
566
567 err = opkg_download(url, sig_file_name, 0);
568 if (err) {
569 opkg_msg(ERROR, "Couldn't retrieve %s\n", url);
570 } else {
571 int err;
572 err = opkg_verify_file(list_file_name,
573 sig_file_name);
574 if (err == 0) {
575 opkg_msg(INFO, "Signature check "
576 "passed for %s",
577 list_file_name);
578 } else {
579 opkg_msg(ERROR, "Signature check "
580 "failed for %s",
581 list_file_name);
582 }
583 }
584 free(sig_file_name);
585 free(url);
586 }
587 #else
588 opkg_msg(INFO, "Signature check skipped for %s as GPG support"
589 " has not been enabled in this build\n",
590 list_file_name);
591 #endif
592 free(list_file_name);
593
594 sources_done++;
595 progress(pdata, 100 * sources_done / sources_list_count);
596 }
597
598 rmdir(tmp);
599 free(tmp);
600 free(lists_dir);
601
602 /* Now re-read the package lists to update package hash tables. */
603 opkg_re_read_config_files();
604
605 return result;
606 }
607
pkg_compare_names_and_version(const void * a0,const void * b0)608 static int pkg_compare_names_and_version(const void *a0, const void *b0)
609 {
610 const pkg_t *a = *(const pkg_t **)a0;
611 const pkg_t *b = *(const pkg_t **)b0;
612 int ret;
613
614 ret = strcmp(a->name, b->name);
615
616 if (ret == 0)
617 ret = pkg_compare_versions(a, b);
618
619 return ret;
620 }
621
opkg_list_packages(opkg_package_callback_t callback,void * user_data)622 int opkg_list_packages(opkg_package_callback_t callback, void *user_data)
623 {
624 pkg_vec_t *all;
625 int i;
626
627 opkg_assert(callback);
628
629 all = pkg_vec_alloc();
630 pkg_hash_fetch_available(all);
631
632 pkg_vec_sort(all, pkg_compare_names_and_version);
633
634 for (i = 0; i < all->len; i++) {
635 pkg_t *pkg;
636
637 pkg = all->pkgs[i];
638
639 callback(pkg, user_data);
640 }
641
642 pkg_vec_free(all);
643
644 return 0;
645 }
646
647 int
opkg_list_upgradable_packages(opkg_package_callback_t callback,void * user_data)648 opkg_list_upgradable_packages(opkg_package_callback_t callback, void *user_data)
649 {
650 struct active_list *head;
651 struct active_list *node;
652 pkg_t *old = NULL, *new = NULL;
653
654 opkg_assert(callback);
655
656 /* ensure all data is valid */
657 pkg_info_preinstall_check();
658
659 head = prepare_upgrade_list();
660 for (node = active_list_next(head, head); node;
661 node = active_list_next(head, node)) {
662 old = node->pkg;
663 new =
664 pkg_hash_fetch_best_installation_candidate_by_name(old->
665 name);
666 if (new == NULL)
667 continue;
668 callback(new, user_data);
669 }
670 active_list_head_delete(head);
671 return 0;
672 }
673
opkg_find_package(const char * name,const char * ver,const char * arch,const char * repo)674 pkg_t *opkg_find_package(const char *name, const char *ver, const char *arch,
675 const char *repo)
676 {
677 int pkg_found = 0;
678 pkg_t *pkg = NULL;
679 pkg_vec_t *all;
680 int i;
681 #define sstrcmp(x,y) (x && y) ? strcmp (x, y) : 0
682
683 all = pkg_vec_alloc();
684 pkg_hash_fetch_available(all);
685 for (i = 0; i < all->len; i++) {
686 char *pkgv;
687
688 pkg = all->pkgs[i];
689
690 /* check name */
691 if (sstrcmp(pkg->name, name))
692 continue;
693
694 /* check version */
695 pkgv = pkg_version_str_alloc(pkg);
696 if (sstrcmp(pkgv, ver)) {
697 free(pkgv);
698 continue;
699 }
700 free(pkgv);
701
702 /* check architecture */
703 if (arch) {
704 if (sstrcmp(pkg_get_architecture(pkg), arch))
705 continue;
706 }
707
708 /* check repository */
709 if (repo) {
710 if (sstrcmp(pkg->src->name, repo))
711 continue;
712 }
713
714 /* match found */
715 pkg_found = 1;
716 break;
717 }
718
719 pkg_vec_free(all);
720
721 return pkg_found ? pkg : NULL;
722 }
723
724 /**
725 * @brief Check the accessibility of repositories.
726 * @return return how many repositories cannot access. 0 means all okay.
727 */
opkg_repository_accessibility_check(void)728 int opkg_repository_accessibility_check(void)
729 {
730 pkg_src_list_elt_t *iter;
731 str_list_elt_t *iter1;
732 str_list_t *src;
733 int repositories = 0;
734 int ret = 0;
735 char *repo_ptr;
736 char *stmp;
737 char *host, *end;
738
739 src = str_list_alloc();
740
741 list_for_each_entry(iter, &conf->pkg_src_list.head, node) {
742 host = strstr(((pkg_src_t *) iter->data)->value, "://") + 3;
743 end = index(host, '/');
744 if (strstr(((pkg_src_t *) iter->data)->value, "://") && end)
745 stmp = xstrndup(((pkg_src_t *) iter->data)->value,
746 end -
747 ((pkg_src_t *) iter->data)->value);
748 else
749 stmp = xstrdup(((pkg_src_t *) iter->data)->value);
750
751 for (iter1 = str_list_first(src); iter1;
752 iter1 = str_list_next(src, iter1)) {
753 if (strstr(iter1->data, stmp))
754 break;
755 }
756 if (iter1)
757 continue;
758
759 sprintf_alloc(&repo_ptr, "%s/index.html", stmp);
760 free(stmp);
761
762 str_list_append(src, repo_ptr);
763 free(repo_ptr);
764 repositories++;
765 }
766
767 while (repositories > 0) {
768 iter1 = str_list_pop(src);
769 repositories--;
770
771 if (opkg_download(iter1->data, "/dev/null", 0))
772 ret++;
773 str_list_elt_deinit(iter1);
774 }
775
776 free(src);
777
778 return ret;
779 }
780