adbb2c2084108a98876facd5212812d756ef4257
[project/opkg-lede.git] / libopkg / opkg.c
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 <config.h>
19 #include <fnmatch.h>
20
21 #include "opkg.h"
22 #include "opkg_conf.h"
23 #include "args.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 struct _opkg_t
37 {
38 args_t *args;
39 opkg_conf_t *conf;
40 opkg_option_t *options;
41 };
42
43 #define opkg_assert(expr) if (!(expr)) { \
44 printf ("opkg: file %s: line %d (%s): Assertation '%s' failed",\
45 __FILE__, __LINE__, __PRETTY_FUNCTION__, # expr); abort (); }
46
47 #define progress(d, p) d.percentage = p; if (progress_callback) progress_callback (opkg, &d, user_data);
48 #define OLD_PKG_TO_NEW(pkg) opkg_package_new_with_values (pkg->name, pkg->version, pkg->architecture, pkg->description, pkg->tags, (pkg->state_status == SS_INSTALLED));
49
50 /** Private Functions ***/
51
52
53 static int
54 opkg_configure_packages(opkg_conf_t *conf, char *pkg_name)
55 {
56 pkg_vec_t *all;
57 int i;
58 pkg_t *pkg;
59 int r, err = 0;
60
61 all = pkg_vec_alloc ();
62 pkg_hash_fetch_available (&conf->pkg_hash, all);
63
64 for (i = 0; i < all->len; i++)
65 {
66 pkg = all->pkgs[i];
67
68 if (pkg_name && fnmatch (pkg_name, pkg->name, 0))
69 continue;
70
71 if (pkg->state_status == SS_UNPACKED)
72 {
73 r = opkg_configure (conf, pkg);
74 if (r == 0)
75 {
76 pkg->state_status = SS_INSTALLED;
77 pkg->parent->state_status = SS_INSTALLED;
78 pkg->state_flag &= ~SF_PREFER;
79 }
80 else
81 {
82 if (!err)
83 err = r;
84 }
85 }
86 }
87
88 pkg_vec_free (all);
89 return err;
90 }
91
92 struct _curl_cb_data
93 {
94 opkg_progress_callback_t cb;
95 opkg_progress_data_t *progress_data;
96 opkg_t *opkg;
97 void *user_data;
98 int start_range;
99 int finish_range;
100 };
101
102 int
103 curl_progress_cb (struct _curl_cb_data *cb_data,
104 double t, /* dltotal */
105 double d, /* dlnow */
106 double ultotal,
107 double ulnow)
108 {
109 int p = (t) ? d * 100 / t : 0;
110 static int prev = -1;
111 int progress = 0;
112
113 /* prevent the same value being sent twice (can occur due to rounding) */
114 if (p == prev)
115 return 0;
116 prev = p;
117
118 if (t < 1)
119 return 0;
120
121 progress = cb_data->start_range + (d / t * ((cb_data->finish_range - cb_data->start_range)));
122 cb_data->progress_data->percentage = progress;
123
124 (cb_data->cb)(cb_data->opkg,
125 cb_data->progress_data,
126 cb_data->user_data);
127
128 return 0;
129 }
130
131
132 /*** Public API ***/
133
134 opkg_package_t *
135 opkg_package_new ()
136 {
137
138 opkg_package_t *p;
139
140 p = malloc (sizeof (opkg_package_t));
141 memset (p, 0, sizeof (opkg_package_t));
142
143 return p;
144 }
145
146 opkg_package_t *
147 opkg_package_new_with_values (const char *name, const char *version,
148 const char *arch, const char *desc, const char *tags, int installed)
149 {
150 opkg_package_t *package;
151 package = opkg_package_new ();
152
153 #define sstrdup(x) (x) ? strdup (x) : NULL;
154
155 package->name = sstrdup (name);
156 package->version = sstrdup (version);
157 package->architecture = sstrdup (arch);
158 package->description = sstrdup (desc);
159 package->tags = sstrdup (tags);
160 package->installed = (installed != 0);
161
162 return package;
163 }
164
165 void
166 opkg_package_free (opkg_package_t *p)
167 {
168 free (p->name);
169 free (p->version);
170 free (p->architecture);
171 free (p->description);
172 free (p->tags);
173
174 free (p);
175 }
176
177 opkg_t *
178 opkg_new ()
179 {
180 opkg_t *opkg;
181 opkg = malloc (sizeof (opkg_t));
182
183 opkg->args = malloc (sizeof (args_t));
184 args_init (opkg->args);
185
186 opkg->conf = malloc (sizeof (opkg_conf_t));
187 opkg_conf_init (opkg->conf, opkg->args);
188
189 opkg_init_options_array (opkg->conf, &opkg->options);
190 return opkg;
191 }
192
193 void
194 opkg_free (opkg_t *opkg)
195 {
196 opkg_assert (opkg != NULL);
197
198 opkg_conf_deinit (opkg->conf);
199 args_deinit (opkg->args);
200 }
201
202 int
203 opkg_re_read_config_files (opkg_t *opkg)
204 {
205 args_t *a;
206 opkg_conf_t *c;
207
208 opkg_assert (opkg != NULL);
209
210 a = opkg->args;
211 c = opkg->conf;
212
213 /* Unfortunatly, the easiest way to re-read the config files right now is to
214 * throw away opkg->conf and start again */
215
216 /* copy the settings we need to keep */
217 a->autoremove = c->autoremove;
218 a->force_depends = c->force_depends;
219 a->force_defaults = c->force_defaults;
220 a->force_overwrite = c->force_overwrite;
221 a->force_downgrade = c->force_downgrade;
222 a->force_reinstall = c->force_reinstall;
223 a->force_removal_of_dependent_packages = c->force_removal_of_dependent_packages;
224 a->force_removal_of_essential_packages = c->force_removal_of_essential_packages;
225 a->nodeps = c->nodeps;
226 a->noaction = c->noaction;
227 a->query_all = c->query_all;
228 a->multiple_providers = c->multiple_providers;
229 a->verbosity = c->verbosity;
230
231 if (c->offline_root)
232 {
233 if (a->offline_root) free (a->offline_root);
234 a->offline_root = strdup (c->offline_root);
235 }
236
237 if (c->offline_root_pre_script_cmd)
238 {
239 if (a->offline_root_pre_script_cmd) free (a->offline_root_pre_script_cmd);
240 a->offline_root_pre_script_cmd = strdup (c->offline_root_pre_script_cmd);
241 }
242
243 if (c->offline_root_post_script_cmd)
244 {
245 if (a->offline_root_post_script_cmd) free (a->offline_root_post_script_cmd);
246 a->offline_root_post_script_cmd = strdup (c->offline_root_post_script_cmd);
247 }
248
249 /* throw away old opkg_conf and start again */
250 opkg_conf_deinit (opkg->conf);
251 opkg_conf_init (opkg->conf, opkg->args);
252
253 free (opkg->options);
254 opkg_init_options_array (opkg->conf, &opkg->options);
255
256 return 0;
257 }
258
259 void
260 opkg_get_option (opkg_t *opkg, char *option, void **value)
261 {
262 int i = 0;
263 opkg_option_t *options;
264
265 opkg_assert (opkg != NULL);
266 opkg_assert (option != NULL);
267 opkg_assert (value != NULL);
268
269 options = opkg->options;
270
271 /* look up the option
272 * TODO: this would be much better as a hash table
273 */
274 while (options[i].name)
275 {
276 if (strcmp (options[i].name, option) != 0)
277 {
278 i++;
279 continue;
280 }
281 }
282
283 /* get the option */
284 switch (options[i].type)
285 {
286 case OPKG_OPT_TYPE_BOOL:
287 *((int *) value) = *((int *) options[i].value);
288 return;
289
290 case OPKG_OPT_TYPE_INT:
291 *((int *) value) = *((int *) options[i].value);
292 return;
293
294 case OPKG_OPT_TYPE_STRING:
295 *((char **)value) = strdup (options[i].value);
296 return;
297 }
298
299 }
300
301 void
302 opkg_set_option (opkg_t *opkg, char *option, void *value)
303 {
304 int i = 0, found = 0;
305 opkg_option_t *options;
306
307 opkg_assert (opkg != NULL);
308 opkg_assert (option != NULL);
309 opkg_assert (value != NULL);
310
311 options = opkg->options;
312
313 /* look up the option
314 * TODO: this would be much better as a hash table
315 */
316 while (options[i].name)
317 {
318 if (strcmp (options[i].name, option) == 0)
319 {
320 found = 1;
321 break;
322 }
323 i++;
324 }
325
326 if (!found)
327 {
328 /* XXX: Warning: Option not found */
329 return;
330 }
331
332 /* set the option */
333 switch (options[i].type)
334 {
335 case OPKG_OPT_TYPE_BOOL:
336 if (*((int *) value) == 0)
337 *((int *)options[i].value) = 0;
338 else
339 *((int *)options[i].value) = 1;
340 return;
341
342 case OPKG_OPT_TYPE_INT:
343 *((int *) options[i].value) = *((int *) value);
344 return;
345
346 case OPKG_OPT_TYPE_STRING:
347 *((char **)options[i].value) = strdup (value);
348 return;
349 }
350
351 }
352
353 int
354 opkg_install_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
355 {
356 int err;
357 char *package_id = NULL;
358 opkg_progress_data_t pdata;
359 pkg_t *new;
360
361 opkg_assert (opkg != NULL);
362 opkg_assert (package_name != NULL);
363
364 /* ... */
365 pkg_info_preinstall_check (opkg->conf);
366
367 new = pkg_hash_fetch_best_installation_candidate_by_name (opkg->conf, package_name);
368
369 if (!new)
370 {
371 /* XXX: Error: Could not find package to install */
372 return 1;
373 }
374 pdata.action = OPKG_INSTALL;
375 pdata.package = OLD_PKG_TO_NEW (new);
376
377 progress (pdata, 0);
378
379 /* download the package */
380 opkg_prepare_url_for_install (opkg->conf, package_name, &package_id);
381
382 progress (pdata, 50);
383
384 if (!package_id)
385 package_id = strdup (package_name);
386
387 /* unpack the package */
388 if (opkg->conf->multiple_providers)
389 {
390 err = opkg_install_multi_by_name (opkg->conf, package_id);
391 }
392 else
393 {
394 err = opkg_install_by_name (opkg->conf, package_id);
395 }
396
397 if (err)
398 return err;
399
400 progress (pdata, 75);
401
402 /* run configure scripts, etc. */
403 err = opkg_configure_packages (opkg->conf, NULL);
404 if (err)
405 return err;
406
407 /* write out status files and file lists */
408 opkg_conf_write_status_files (opkg->conf);
409 pkg_write_changed_filelists (opkg->conf);
410
411 progress (pdata, 100);
412 opkg_package_free (pdata.package);
413 return 0;
414 }
415
416 int
417 opkg_remove_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
418 {
419 pkg_t *pkg = NULL;
420 pkg_t *pkg_to_remove;
421 opkg_progress_data_t pdata;
422
423 opkg_assert (opkg != NULL);
424 opkg_assert (package_name != NULL);
425
426
427
428 pkg_info_preinstall_check (opkg->conf);
429
430
431 pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, package_name);
432
433 if (pkg == NULL)
434 {
435 /* XXX: Error: Package not installed. */
436 return 1;
437 }
438
439 pdata.action = OPKG_REMOVE;
440 pdata.package = OLD_PKG_TO_NEW (pkg);
441 progress (pdata, 0);
442
443
444 if (pkg->state_status == SS_NOT_INSTALLED)
445 {
446 /* XXX: Error: Package seems to be not installed (STATUS = NOT_INSTALLED). */
447 return 1;
448 }
449 progress (pdata, 25);
450
451 if (opkg->conf->restrict_to_default_dest)
452 {
453 pkg_to_remove = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
454 pkg->name,
455 opkg->conf->default_dest);
456 }
457 else
458 {
459 pkg_to_remove = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, pkg->name );
460 }
461
462
463 progress (pdata, 75);
464
465 opkg_remove_pkg (opkg->conf, pkg_to_remove, 0);
466
467 /* write out status files and file lists */
468 opkg_conf_write_status_files (opkg->conf);
469 pkg_write_changed_filelists (opkg->conf);
470
471
472 progress (pdata, 100);
473 opkg_package_free (pdata.package);
474 return 0;
475 }
476
477 int
478 opkg_upgrade_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
479 {
480 pkg_t *pkg;
481 opkg_progress_data_t pdata;
482
483
484
485 opkg_assert (opkg != NULL);
486 opkg_assert (package_name != NULL);
487
488 pkg_info_preinstall_check (opkg->conf);
489
490 if (opkg->conf->restrict_to_default_dest)
491 {
492 pkg = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
493 package_name,
494 opkg->conf->default_dest);
495 if (pkg == NULL)
496 {
497 /* XXX: Error: Package not installed in default_dest */
498 return 1;
499 }
500 }
501 else
502 {
503 pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash,
504 package_name);
505 }
506
507 if (!pkg)
508 {
509 /* XXX: Error: Package not installed */
510 return 1;
511 }
512
513 pdata.action = OPKG_INSTALL;
514 pdata.package = OLD_PKG_TO_NEW (pkg);
515 progress (pdata, 0);
516
517 opkg_upgrade_pkg (opkg->conf, pkg);
518 progress (pdata, 75);
519
520 opkg_configure_packages (opkg->conf, NULL);
521 progress (pdata, 100);
522 opkg_package_free (pdata.package);
523 return 0;
524 }
525
526 int
527 opkg_upgrade_all (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
528 {
529 pkg_vec_t *installed;
530 int err = 0;
531 int i;
532 pkg_t *pkg;
533 opkg_progress_data_t pdata;
534
535 pdata.action = OPKG_INSTALL;
536 pdata.package = NULL;
537
538 opkg_assert (opkg != NULL);
539 progress (pdata, 0);
540
541 installed = pkg_vec_alloc ();
542 pkg_info_preinstall_check (opkg->conf);
543
544 pkg_hash_fetch_all_installed (&opkg->conf->pkg_hash, installed);
545 for (i = 0; i < installed->len; i++)
546 {
547 pkg = installed->pkgs[i];
548
549 pdata.package = OLD_PKG_TO_NEW (pkg);
550 progress (pdata, 99 * i / installed->len);
551 opkg_package_free (pdata.package);
552
553 err += opkg_upgrade_pkg (opkg->conf, pkg);
554 }
555 pkg_vec_free (installed);
556
557 if (err)
558 return 1;
559
560 err = opkg_configure_packages (opkg->conf, NULL);
561 if (err)
562 return 1;
563
564 pdata.package = NULL;
565 progress (pdata, 100);
566 return 0;
567 }
568
569 int
570 opkg_update_package_lists (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
571 {
572 char *tmp;
573 int err;
574 char *lists_dir;
575 pkg_src_list_elt_t *iter;
576 pkg_src_t *src;
577 int sources_list_count, sources_done;
578 opkg_progress_data_t pdata;
579
580 opkg_assert (opkg != NULL);
581
582 pdata.action = OPKG_DOWNLOAD;
583 pdata.package = NULL;
584 progress (pdata, 0);
585
586 sprintf_alloc (&lists_dir, "%s",
587 (opkg->conf->restrict_to_default_dest)
588 ? opkg->conf->default_dest->lists_dir
589 : opkg->conf->lists_dir);
590
591 if (!file_is_dir (lists_dir))
592 {
593 if (file_exists (lists_dir))
594 {
595 /* XXX: Error: file exists but is not a directory */
596 free (lists_dir);
597 return 1;
598 }
599
600 err = file_mkdir_hier (lists_dir, 0755);
601 if (err)
602 {
603 /* XXX: Error: failed to create directory */
604 free (lists_dir);
605 return 1;
606 }
607 }
608
609 tmp = strdup ("/tmp/opkg.XXXXXX");
610
611 if (mkdtemp (tmp) == NULL)
612 {
613 /* XXX: Error: could not create temporary file name */
614 free (lists_dir);
615 free (tmp);
616 return 1;
617 }
618
619 /* cout the number of sources so we can give some progress updates */
620 sources_list_count = 0;
621 sources_done = 0;
622 iter = opkg->conf->pkg_src_list.head;
623 while (iter)
624 {
625 sources_list_count++;
626 iter = iter->next;
627 }
628
629 for (iter = opkg->conf->pkg_src_list.head; iter; iter = iter->next)
630 {
631 char *url, *list_file_name;
632
633 src = iter->data;
634
635 if (src->extra_data) /* debian style? */
636 sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
637 src->gzip ? "Packages.gz" : "Packages");
638 else
639 sprintf_alloc (&url, "%s/%s", src->value, src->gzip ? "Packages.gz" : "Packages");
640
641 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, src->name);
642 if (src->gzip)
643 {
644 char *tmp_file_name;
645 FILE *in, *out;
646 struct _curl_cb_data cb_data;
647
648 sprintf_alloc (&tmp_file_name, "%s/%s.gz", tmp, src->name);
649
650 /* XXX: Note: downloading url */
651
652 cb_data.cb = progress_callback;
653 cb_data.progress_data = &pdata;
654 cb_data.opkg = opkg;
655 cb_data.user_data = user_data;
656 cb_data.start_range = 100 * sources_done / sources_list_count;
657 cb_data.finish_range = 100 * (sources_done + 1) / sources_list_count;
658
659 err = opkg_download (opkg->conf, url, tmp_file_name, (curl_progress_func) curl_progress_cb, &cb_data);
660
661 if (err == 0)
662 {
663 /* XXX: Note: Inflating downloaded file */
664 in = fopen (tmp_file_name, "r");
665 out = fopen (list_file_name, "w");
666 if (in && out)
667 unzip (in, out);
668 else
669 err = 1;
670 if (in)
671 fclose (in);
672 if (out)
673 fclose (out);
674 unlink (tmp_file_name);
675 }
676 }
677 else
678 err = opkg_download (opkg->conf, url, list_file_name, NULL, NULL);
679
680 if (err)
681 {
682 /* XXX: Error: download error */
683 }
684 free (url);
685
686 #ifdef HAVE_GPGME
687 /* download detached signitures to verify the package lists */
688 /* get the url for the sig file */
689 if (src->extra_data) /* debian style? */
690 sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
691 "Packages.sig");
692 else
693 sprintf_alloc (&url, "%s/%s", src->value, "Packages.sig");
694
695 /* create temporary file for it */
696 char *tmp_file_name;
697
698 sprintf_alloc (&tmp_file_name, "%s/%s", tmp, "Packages.sig");
699
700 err = opkg_download (opkg->conf, url, tmp_file_name, NULL, NULL);
701 if (err)
702 {
703 /* XXX: Warning: Download failed */
704 }
705 else
706 {
707 int err;
708 err = opkg_verify_file (opkg->conf, list_file_name, tmp_file_name);
709 if (err == 0)
710 {
711 /* XXX: Notice: Signature check passed */
712 }
713 else
714 {
715 /* XXX: Warning: Signature check failed */
716 }
717 }
718 unlink (tmp_file_name);
719 free (tmp_file_name);
720 free (url);
721 #else
722 /* XXX: Note: Signiture check for %s skipped because GPG support was not
723 * enabled in this build
724 */
725 #endif
726 free (list_file_name);
727
728 sources_done++;
729 progress (pdata, 100 * sources_done / sources_list_count);
730 }
731
732 rmdir (tmp);
733 free (tmp);
734 free (lists_dir);
735
736 return 0;
737 }
738
739
740 int
741 opkg_list_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
742 {
743 pkg_vec_t *all;
744 int i;
745
746 opkg_assert (opkg);
747 opkg_assert (callback);
748
749 all = pkg_vec_alloc ();
750 pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
751 for (i = 0; i < all->len; i++)
752 {
753 pkg_t *pkg;
754 opkg_package_t *package;
755
756 pkg = all->pkgs[i];
757
758 package = OLD_PKG_TO_NEW (pkg);
759 callback (opkg, package, user_data);
760 }
761
762 pkg_vec_free (all);
763
764 return 0;
765 }
766
767 int
768 opkg_list_upgradable_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
769 {
770 pkg_vec_t *all;
771 int i;
772
773 opkg_assert (opkg);
774 opkg_assert (callback);
775
776 all = pkg_vec_alloc ();
777 pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
778 for (i = 0; i < all->len; i++)
779 {
780 pkg_t *old, *new;
781 int cmp;
782 opkg_package_t *package;
783
784 old = all->pkgs[i];
785
786 if (old->state_status != SS_INSTALLED)
787 continue;
788
789 new = pkg_hash_fetch_best_installation_candidate_by_name(opkg->conf, old->name);
790 if (new == NULL) {
791 /* XXX: Notice: Assuming locally install package is up to date */
792 continue;
793 }
794
795 cmp = pkg_compare_versions(old, new);
796
797 if (cmp < 0)
798 {
799 package = OLD_PKG_TO_NEW (new);
800 callback (opkg, package, user_data);
801 }
802 }
803
804 pkg_vec_free (all);
805
806 return 0;
807 }
808