1 /* opkg_install.c - the opkg package management system
5 Copyright (C) 2001 University of Southern California
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.
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.
24 typedef void (*sighandler_t)(int);
28 #include "pkg_extract.h"
30 #include "opkg_install.h"
31 #include "opkg_configure.h"
32 #include "opkg_download.h"
33 #include "opkg_remove.h"
35 #include "opkg_utils.h"
36 #include "opkg_message.h"
37 #include "opkg_state.h"
38 #include "opkg_defines.h"
40 #include "sprintf_alloc.h"
41 #include "file_util.h"
46 int satisfy_dependencies_for(opkg_conf_t *conf, pkg_t *pkg);
47 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg);
48 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg);
50 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
51 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
52 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors);
53 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors);
54 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
55 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
56 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
57 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
58 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
59 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
60 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
61 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
62 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
64 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
65 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
66 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg);
67 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg);
68 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg);
70 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg);
72 static int user_prefers_old_conffile(const char *file, const char *backup);
74 static char *backup_filename_alloc(const char *file_name);
75 static int backup_make_backup(opkg_conf_t *conf, const char *file_name);
76 static int backup_exists_for(const char *file_name);
77 static int backup_remove(const char *file_name);
80 int opkg_install_from_file(opkg_conf_t *conf, const char *filename)
84 char *old_version, *new_version;
91 err = pkg_init_from_file(pkg, filename);
96 if (!pkg->architecture) {
97 opkg_message(conf, OPKG_ERROR, "Package %s has no Architecture defined.\n", pkg->name);
101 /* XXX: CLEANUP: hash_insert_pkg has a nasty side effect of possibly
102 freeing the pkg that we pass in. It might be nice to clean this up
104 pkg = hash_insert_pkg(&conf->pkg_hash, pkg, 1,conf);
105 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
107 pkg->local_filename = strdup(filename);
110 old_version = pkg_version_str_alloc(old);
111 new_version = pkg_version_str_alloc(pkg);
113 cmp = pkg_compare_versions(old, pkg);
114 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
115 cmp = -1 ; /* then we force opkg to downgrade */
116 /* We need to use a value < 0 because in the 0 case we are asking to */
117 /* reinstall, and some check could fail asking the "force-reinstall" option */
120 opkg_message(conf, OPKG_NOTICE,
121 "Not downgrading package %s on %s from %s to %s.\n",
122 old->name, old->dest->name, old_version, new_version);
123 pkg->state_want = SW_DEINSTALL;
124 pkg->state_flag |= SF_OBSOLETE;
134 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
135 return opkg_install_pkg(conf, pkg,0);
138 opkg_error_t opkg_install_by_name(opkg_conf_t *conf, const char *pkg_name)
142 char *old_version, *new_version;
144 opkg_message(conf, OPKG_DEBUG2, " Getting old from pkg_hash_fetch \n" );
145 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
147 opkg_message(conf, OPKG_DEBUG2, " Old versions from pkg_hash_fetch %s \n", old->version );
149 opkg_message(conf, OPKG_DEBUG2, " Getting new from pkg_hash_fetch \n" );
150 new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name);
152 opkg_message(conf, OPKG_DEBUG2, " New versions from pkg_hash_fetch %s \n", new->version );
154 /* Pigi Basically here is broken the version stuff.
155 What's happening is that nothing provide the version to differents
156 functions, so the returned struct is always the latest.
157 That's why the install by name don't work.
159 opkg_message(conf, OPKG_DEBUG2, " Versions from pkg_hash_fetch in %s ", __FUNCTION__ );
162 opkg_message(conf, OPKG_DEBUG2, " old %s ", old->version );
164 opkg_message(conf, OPKG_DEBUG2, " new %s ", new->version );
165 opkg_message(conf, OPKG_DEBUG2, " \n");
168 return OPKG_PKG_HAS_NO_CANDIDATE;
171 new->state_flag |= SF_USER;
173 old_version = pkg_version_str_alloc(old);
174 new_version = pkg_version_str_alloc(new);
176 cmp = pkg_compare_versions(old, new);
177 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
178 opkg_message(conf, OPKG_DEBUG, " Forcing downgrade \n");
179 cmp = -1 ; /* then we force opkg to downgrade */
180 /* We need to use a value < 0 because in the 0 case we are asking to */
181 /* reinstall, and some check could fail asking the "force-reinstall" option */
183 opkg_message(conf, OPKG_DEBUG,
184 "Comparing visible versions of pkg %s:"
185 "\n\t%s is installed "
186 "\n\t%s is available "
187 "\n\t%d was comparison result\n",
188 pkg_name, old_version, new_version, cmp);
189 if (cmp == 0 && !conf->force_reinstall) {
190 opkg_message(conf, OPKG_NOTICE,
191 "Package %s (%s) installed in %s is up to date.\n",
192 old->name, old_version, old->dest->name);
196 } else if (cmp > 0) {
197 opkg_message(conf, OPKG_NOTICE,
198 "Not downgrading package %s on %s from %s to %s.\n",
199 old->name, old->dest->name, old_version, new_version);
203 } else if (cmp < 0) {
204 new->dest = old->dest;
205 old->state_want = SW_DEINSTALL; /* Here probably the problem for bug 1277 */
209 /* XXX: CLEANUP: The error code of opkg_install_by_name is really
210 supposed to be an opkg_error_t, but opkg_install_pkg could
211 return any kind of integer, (might be errno from a syscall,
212 etc.). This is a real mess and will need to be cleaned up if
213 anyone ever wants to make a nice libopkg. */
215 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
216 return opkg_install_pkg(conf, new,0);
219 opkg_error_t opkg_install_multi_by_name(opkg_conf_t *conf, const char *pkg_name)
221 abstract_pkg_vec_t *providers = pkg_hash_fetch_all_installation_candidates (&conf->pkg_hash, pkg_name);
224 abstract_pkg_t *ppkg ;
226 if (providers == NULL)
227 return OPKG_PKG_HAS_NO_CANDIDATE;
229 for (i = 0; i < providers->len; i++) {
230 ppkg = abstract_pkg_vec_get(providers, i);
231 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_by_name %d \n",__FUNCTION__, i);
232 err = opkg_install_by_name(conf, ppkg->name);
235 /* XXX Maybe ppkg should be freed ? */
241 * Walk dependence graph starting with pkg, collect packages to be
242 * installed into pkgs_needed, in dependence order.
244 int pkg_mark_dependencies_for_installation(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *pkgs_needed)
247 pkg_vec_t *depends = pkg_vec_alloc();
248 char **unresolved = NULL;
251 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
256 opkg_message(conf, OPKG_ERROR,
257 "%s: Cannot satisfy the following dependencies for %s:\n\t",
258 conf->force_depends ? "Warning" : "ERROR", pkg->name);
259 while (*unresolved) {
260 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
263 opkg_message(conf, OPKG_ERROR, "\n");
264 if (! conf->force_depends) {
265 opkg_message(conf, OPKG_INFO,
266 "This could mean that your package list is out of date or that the packages\n"
267 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
268 "of this problem try again with the '-force-depends' option.\n");
269 pkg_vec_free(depends);
270 return OPKG_PKG_DEPS_UNSATISFIED;
275 pkg_vec_free(depends);
279 for (i = 0; i < depends->len; i++) {
280 pkg_t *dep = depends->pkgs[i];
281 /* The package was uninstalled when we started, but another
282 dep earlier in this loop may have depended on it and pulled
283 it in, so check first. */
284 if ((dep->state_status != SS_INSTALLED)
285 && (dep->state_status != SS_UNPACKED)
286 && (dep->state_want != SW_INSTALL)) {
288 /* Mark packages as to-be-installed */
289 dep->state_want = SW_INSTALL;
291 /* Dependencies should be installed the same place as pkg */
292 if (dep->dest == NULL) {
293 dep->dest = pkg->dest;
296 err = pkg_mark_dependencies_for_installation(conf, dep, pkgs_needed);
298 pkg_vec_free(depends);
304 pkg_vec_insert(pkgs_needed, pkg);
306 pkg_vec_free(depends);
311 int name_mark_dependencies_for_installation(opkg_conf_t *conf, const char *pkg_name, pkg_vec_t *pkgs_needed)
315 char *old_version, *new_version;
317 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
319 new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name);
321 return OPKG_PKG_HAS_NO_CANDIDATE;
324 old_version = pkg_version_str_alloc(old);
325 new_version = pkg_version_str_alloc(new);
327 cmp = pkg_compare_versions(old, new);
328 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
329 opkg_message(conf, OPKG_DEBUG, " Forcing downgrade ");
330 cmp = -1 ; /* then we force opkg to downgrade */
331 /* We need to use a value < 0 because in the 0 case we are asking to */
332 /* reinstall, and some check could fail asking the "force-reinstall" option */
334 opkg_message(conf, OPKG_DEBUG,
335 "comparing visible versions of pkg %s:"
336 "\n\t%s is installed "
337 "\n\t%s is available "
338 "\n\t%d was comparison result\n",
339 pkg_name, old_version, new_version, cmp);
340 if (cmp == 0 && !conf->force_reinstall) {
341 opkg_message(conf, OPKG_NOTICE,
342 "Package %s (%s) installed in %s is up to date.\n",
343 old->name, old_version, old->dest->name);
347 } else if (cmp > 0) {
348 opkg_message(conf, OPKG_NOTICE,
349 "Not downgrading package %s on %s from %s to %s.\n",
350 old->name, old->dest->name, old_version, new_version);
354 } else if (cmp < 0) {
355 new->dest = old->dest;
356 old->state_want = SW_DEINSTALL;
357 old->state_flag |= SF_OBSOLETE;
360 return pkg_mark_dependencies_for_installation(conf, new, pkgs_needed);
365 int satisfy_dependencies_for(opkg_conf_t *conf, pkg_t *pkg)
368 pkg_vec_t *depends = pkg_vec_alloc();
370 char **unresolved = NULL;
373 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
378 opkg_message(conf, OPKG_ERROR,
379 "%s: Cannot satisfy the following dependencies for %s:\n\t",
380 conf->force_depends ? "Warning" : "ERROR", pkg->name);
381 while (*unresolved) {
382 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
385 opkg_message(conf, OPKG_ERROR, "\n");
386 if (! conf->force_depends) {
387 opkg_message(conf, OPKG_INFO,
388 "This could mean that your package list is out of date or that the packages\n"
389 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
390 "of this problem try again with the '-force-depends' option.\n");
391 pkg_vec_free(depends);
392 return OPKG_PKG_DEPS_UNSATISFIED;
397 pkg_vec_free(depends);
401 /* Mark packages as to-be-installed */
402 for (i=0; i < depends->len; i++) {
403 /* Dependencies should be installed the same place as pkg */
404 if (depends->pkgs[i]->dest == NULL) {
405 depends->pkgs[i]->dest = pkg->dest;
407 depends->pkgs[i]->state_want = SW_INSTALL;
410 for (i = 0; i < depends->len; i++) {
411 dep = depends->pkgs[i];
412 /* The package was uninstalled when we started, but another
413 dep earlier in this loop may have depended on it and pulled
414 it in, so check first. */
415 if ((dep->state_status != SS_INSTALLED)
416 && (dep->state_status != SS_UNPACKED)) {
417 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
418 err = opkg_install_pkg(conf, dep,0);
419 /* mark this package as having been automatically installed to
420 * satisfy a dependancy */
421 dep->auto_installed = 1;
423 pkg_vec_free(depends);
429 pkg_vec_free(depends);
435 /* check all packages have their dependences satisfied, e.g., in case an upgraded package split */
436 int opkg_satisfy_all_dependences(opkg_conf_t *conf)
438 if (conf->nodeps == 0) {
440 pkg_vec_t *installed = pkg_vec_alloc();
441 pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
442 for (i = 0; i < installed->len; i++) {
443 pkg_t *pkg = installed->pkgs[i];
444 satisfy_dependencies_for(conf, pkg);
446 pkg_vec_free(installed);
453 static int check_conflicts_for(opkg_conf_t *conf, pkg_t *pkg)
456 pkg_vec_t *conflicts = NULL;
459 if (conf->force_depends) {
467 if (!conf->force_depends)
468 conflicts = (pkg_vec_t *)pkg_hash_fetch_conflicts(&conf->pkg_hash, pkg);
471 opkg_message(conf, level,
472 "%s: The following packages conflict with %s:\n\t", prefix, pkg->name);
474 while (i < conflicts->len)
475 opkg_message(conf, level, " %s", conflicts->pkgs[i++]->name);
476 opkg_message(conf, level, "\n");
477 pkg_vec_free(conflicts);
478 return OPKG_PKG_DEPS_UNSATISFIED;
483 static int update_file_ownership(opkg_conf_t *conf, pkg_t *new_pkg, pkg_t *old_pkg)
485 str_list_t *new_list = pkg_get_installed_files(new_pkg);
486 str_list_elt_t *iter;
488 for (iter = new_list->head; iter; iter = iter->next) {
489 char *new_file = iter->data;
490 pkg_t *owner = file_hash_get_file_owner(conf, new_file);
492 opkg_message(conf, OPKG_ERROR, "Null new_file for new_pkg=%s\n", new_pkg->name);
493 if (!owner || (owner == old_pkg))
494 file_hash_set_file_owner(conf, new_file, new_pkg);
497 str_list_t *old_list = pkg_get_installed_files(old_pkg);
498 for (iter = old_list->head; iter; iter = iter->next) {
499 char *old_file = iter->data;
500 pkg_t *owner = file_hash_get_file_owner(conf, old_file);
501 if (owner == old_pkg) {
503 hash_table_insert(&conf->obs_file_hash, old_file, old_pkg);
510 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg)
512 /* XXX: FEATURE: Anything else needed here? Maybe a check on free space? */
514 /* sma 6.20.02: yup; here's the first bit */
516 * XXX: BUG easy for cworth
517 * 1) please point the call below to the correct current root destination
518 * 2) we need to resolve how to check the required space for a pending pkg,
519 * my diddling with the .ipk file size below isn't going to cut it.
520 * 3) return a proper error code instead of 1
522 int comp_size, blocks_available;
524 if (!conf->force_space && pkg->installed_size != NULL) {
525 blocks_available = get_available_blocks(conf->default_dest->root_dir);
527 comp_size = strtoul(pkg->installed_size, NULL, 0);
528 /* round up a blocks count without doing fancy-but-slow casting jazz */
529 comp_size = (int)((comp_size + 1023) / 1024);
531 if (comp_size >= blocks_available) {
532 opkg_message(conf, OPKG_ERROR,
533 "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
534 blocks_available, conf->default_dest->root_dir, pkg->name, comp_size);
541 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg)
544 char *conffiles_file_name;
546 FILE *conffiles_file;
548 sprintf_alloc(&pkg->tmp_unpack_dir, "%s/%s-XXXXXX", conf->tmp_dir, pkg->name);
550 pkg->tmp_unpack_dir = mkdtemp(pkg->tmp_unpack_dir);
551 if (pkg->tmp_unpack_dir == NULL) {
552 opkg_message(conf, OPKG_ERROR,
553 "%s: Failed to create temporary directory '%s': %s\n",
554 __FUNCTION__, pkg->tmp_unpack_dir, strerror(errno));
558 err = pkg_extract_control_files_to_dir(pkg, pkg->tmp_unpack_dir);
563 /* XXX: CLEANUP: There might be a cleaner place to read in the
564 conffiles. Seems like I should be able to get everything to go
565 through pkg_init_from_file. If so, maybe it would make sense to
566 move all of unpack_pkg_control_files to that function. */
568 /* Don't need to re-read conffiles if we already have it */
569 if (pkg->conffiles.head) {
573 sprintf_alloc(&conffiles_file_name, "%s/conffiles", pkg->tmp_unpack_dir);
574 if (! file_exists(conffiles_file_name)) {
575 free(conffiles_file_name);
579 conffiles_file = fopen(conffiles_file_name, "r");
580 if (conffiles_file == NULL) {
581 fprintf(stderr, "%s: failed to open %s: %s\n",
582 __FUNCTION__, conffiles_file_name, strerror(errno));
583 free(conffiles_file_name);
586 free(conffiles_file_name);
590 char *cf_name_in_dest;
592 cf_name = file_read_line_alloc(conffiles_file);
593 if (cf_name == NULL) {
597 if (cf_name[0] == '\0') {
601 /* Prepend dest->root_dir to conffile name.
602 Take pains to avoid multiple slashes. */
603 root_dir = pkg->dest->root_dir;
604 if (conf->offline_root)
605 /* skip the offline_root prefix */
606 root_dir = pkg->dest->root_dir + strlen(conf->offline_root);
607 sprintf_alloc(&cf_name_in_dest, "%s%s", root_dir,
608 cf_name[0] == '/' ? (cf_name + 1) : cf_name);
610 /* Can't get an md5sum now, (file isn't extracted yet).
611 We'll wait until resolve_conffiles */
612 conffile_list_append(&pkg->conffiles, cf_name_in_dest, NULL);
615 free(cf_name_in_dest);
618 fclose(conffiles_file);
623 /* returns number of installed replacees */
624 int pkg_get_installed_replacees(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
626 abstract_pkg_t **replaces = pkg->replaces;
627 int replaces_count = pkg->replaces_count;
629 for (i = 0; i < replaces_count; i++) {
630 abstract_pkg_t *ab_pkg = replaces[i];
631 pkg_vec_t *pkg_vec = ab_pkg->pkgs;
633 for (j = 0; j < pkg_vec->len; j++) {
634 pkg_t *replacee = pkg_vec->pkgs[j];
635 if (!pkg_conflicts(pkg, replacee))
637 if (replacee->state_status == SS_INSTALLED) {
638 pkg_vec_insert(installed_replacees, replacee);
643 return installed_replacees->len;
646 int pkg_remove_installed_replacees(opkg_conf_t *conf, pkg_vec_t *replacees)
649 int replaces_count = replacees->len;
650 for (i = 0; i < replaces_count; i++) {
651 pkg_t *replacee = replacees->pkgs[i];
653 replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
654 err = opkg_remove_pkg(conf, replacee,0);
661 /* to unwind the removal: make sure they are installed */
662 int pkg_remove_installed_replacees_unwind(opkg_conf_t *conf, pkg_vec_t *replacees)
665 int replaces_count = replacees->len;
666 for (i = 0; i < replaces_count; i++) {
667 pkg_t *replacee = replacees->pkgs[i];
668 if (replacee->state_status != SS_INSTALLED) {
669 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
670 err = opkg_install_pkg(conf, replacee,0);
678 int caught_sigint = 0;
679 static void opkg_install_pkg_sigint_handler(int sig)
684 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
685 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
688 char message_out[15];
689 char *old_version = pkg_version_str_alloc(old_pkg);
690 char *new_version = pkg_version_str_alloc(pkg);
691 int cmp = pkg_compare_versions(old_pkg, pkg);
694 memset(message_out,'\x0',15);
695 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
696 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
697 cmp = -1 ; /* then we force opkg to downgrade */
698 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
699 /* reinstall, and some check could fail asking the "force-reinstall" option */
703 opkg_message(conf, OPKG_NOTICE,
704 "Not downgrading package %s on %s from %s to %s.\n",
705 old_pkg->name, old_pkg->dest->name, old_version, new_version);
707 } else if (cmp < 0) {
708 opkg_message(conf, OPKG_NOTICE,
709 "%s%s on %s from %s to %s...\n",
710 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
711 pkg->dest = old_pkg->dest;
713 } else /* cmp == 0 */ {
714 if (conf->force_reinstall) {
715 opkg_message(conf, OPKG_NOTICE,
716 "Reinstalling %s (%s) on %s...\n",
717 pkg->name, new_version, old_pkg->dest->name);
718 pkg->dest = old_pkg->dest;
721 opkg_message(conf, OPKG_NOTICE,
722 "Not installing %s (%s) on %s -- already installed.\n",
723 pkg->name, new_version, old_pkg->dest->name);
731 char message_out[15] ;
732 memset(message_out,'\x0',15);
734 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
736 strncpy( message_out,"Installing ",strlen("Installing ") );
737 char *version = pkg_version_str_alloc(pkg);
739 opkg_message(conf, OPKG_NOTICE,
740 "%s%s (%s) to %s...\n", message_out,
741 pkg->name, version, pkg->dest->name);
747 /* and now the meat... */
748 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
752 pkg_t *old_pkg = NULL;
753 pkg_vec_t *replacees;
754 abstract_pkg_t *ab_pkg = NULL;
761 message = 1; /* Coming from an upgrade, and should change the output message */
764 opkg_message(conf, OPKG_ERROR,
765 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
769 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
771 if (!pkg_arch_supported(conf, pkg)) {
772 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
773 pkg->architecture, pkg->name);
776 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
777 err = satisfy_dependencies_for(conf, pkg);
778 if (err) { return err; }
780 opkg_message(conf, OPKG_NOTICE,
781 "Package %s is already installed in %s.\n",
782 pkg->name, pkg->dest->name);
786 if (pkg->dest == NULL) {
787 pkg->dest = conf->default_dest;
790 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
792 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
793 if (err) { return err; }
795 pkg->state_want = SW_INSTALL;
797 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
801 /* Abhaya: conflicts check */
802 err = check_conflicts_for(conf, pkg);
803 if (err) { return err; }
805 /* this setup is to remove the upgrade scenario in the end when
806 installing pkg A, A deps B & B deps on A. So both B and A are
807 installed. Then A's installation is started resulting in an
808 uncecessary upgrade */
809 if (pkg->state_status == SS_INSTALLED
810 && conf->force_reinstall == 0) return 0;
812 err = verify_pkg_installable(conf, pkg);
813 if (err) { return err; }
815 if (pkg->local_filename == NULL) {
816 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
818 opkg_message(conf, OPKG_ERROR,
819 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
825 /* Check for md5 values */
828 file_md5 = file_md5sum_alloc(pkg->local_filename);
829 if (strcmp(file_md5, pkg->md5sum))
831 opkg_message(conf, OPKG_ERROR,
832 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
840 if (pkg->tmp_unpack_dir == NULL) {
841 unpack_pkg_control_files(conf, pkg);
844 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
845 /* Pigi: check if it will pass from here when replacing. It seems to fail */
846 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
847 err = update_file_ownership(conf, pkg, old_pkg);
848 if (err) { return err; }
850 if (conf->nodeps == 0) {
851 err = satisfy_dependencies_for(conf, pkg);
852 if (err) { return err; }
855 replacees = pkg_vec_alloc();
856 pkg_get_installed_replacees(conf, pkg, replacees);
858 sprintf_alloc (&pkgid, "%s;%s;%s;", pkg->name, pkg->version, pkg->architecture);
859 opkg_set_current_state (conf, OPKG_STATE_INSTALLING_PKG, pkgid);
862 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
864 sigset_t newset, oldset;
865 sighandler_t old_handler = NULL;
869 old_handler = signal(SIGINT, opkg_install_pkg_sigint_handler);
871 sigemptyset(&newset);
872 sigaddset(&newset, SIGINT);
873 sigprocmask(SIG_BLOCK, &newset, &oldset);
876 opkg_state_changed++;
877 pkg->state_flag |= SF_FILELIST_CHANGED;
879 /* XXX: BUG: we really should treat replacement more like an upgrade
880 * Instead, we're going to remove the replacees
882 err = pkg_remove_installed_replacees(conf, replacees);
883 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
885 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
886 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
888 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
889 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
891 err = preinst_configure(conf, pkg, old_pkg);
892 if (err) goto UNWIND_PREINST_CONFIGURE;
894 err = backup_modified_conffiles(conf, pkg, old_pkg);
895 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
897 err = check_data_file_clashes(conf, pkg, old_pkg);
898 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
900 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
901 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
903 if (conf->noaction) return 0;
905 /* point of no return: no unwinding after this */
906 if (old_pkg && !conf->force_reinstall) {
907 old_pkg->state_want = SW_DEINSTALL;
909 if (old_pkg->state_flag & SF_NOPRUNE) {
910 opkg_message(conf, OPKG_INFO,
911 " not removing obsolesced files because package marked noprune\n");
913 opkg_message(conf, OPKG_INFO,
914 " removing obsolesced files\n");
915 remove_obsolesced_files(conf, pkg, old_pkg);
917 /* removing files from old package, to avoid ghost files */
918 remove_data_files_and_list(conf, old_pkg);
919 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
920 remove_maintainer_scripts_except_postrm(conf, old_pkg);
921 remove_postrm(conf, old_pkg);
927 opkg_message(conf, OPKG_INFO,
928 " installing maintainer scripts\n");
929 install_maintainer_scripts(conf, pkg, old_pkg);
931 /* the following just returns 0 */
932 remove_disappeared(conf, pkg);
934 opkg_message(conf, OPKG_INFO,
935 " installing data files\n");
936 install_data_files(conf, pkg);
938 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
939 err = check_data_file_clashes_change(conf, pkg, old_pkg);
941 opkg_message(conf, OPKG_INFO,
942 " resolving conf files\n");
943 resolve_conffiles(conf, pkg);
945 pkg->state_status = SS_UNPACKED;
946 old_state_flag = pkg->state_flag;
947 pkg->state_flag &= ~SF_PREFER;
948 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
950 if (old_pkg && !conf->force_reinstall) {
951 old_pkg->state_status = SS_NOT_INSTALLED;
954 time(&pkg->installed_time);
956 opkg_message(conf, OPKG_INFO,
957 " cleanup temp files\n");
958 cleanup_temporary_files(conf, pkg);
960 ab_pkg = pkg->parent;
962 ab_pkg->state_status = pkg->state_status;
964 opkg_message(conf, OPKG_INFO, "Done.\n");
967 signal(SIGINT, old_handler);
969 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
970 pkg_vec_free (replacees);
974 UNWIND_POSTRM_UPGRADE_OLD_PKG:
975 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
976 UNWIND_CHECK_DATA_FILE_CLASHES:
977 check_data_file_clashes_unwind(conf, pkg, old_pkg);
978 UNWIND_BACKUP_MODIFIED_CONFFILES:
979 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
980 UNWIND_PREINST_CONFIGURE:
981 preinst_configure_unwind(conf, pkg, old_pkg);
982 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
983 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
984 UNWIND_PRERM_UPGRADE_OLD_PKG:
985 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
986 UNWIND_REMOVE_INSTALLED_REPLACEES:
987 pkg_remove_installed_replacees_unwind(conf, replacees);
989 opkg_message(conf, OPKG_INFO,
990 " cleanup temp files\n");
991 cleanup_temporary_files(conf, pkg);
993 opkg_message(conf, OPKG_INFO,
996 signal(SIGINT, old_handler);
998 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1000 pkg_vec_free (replacees);
1003 opkg_set_current_state (conf, OPKG_STATE_NONE, NULL);
1006 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1008 /* DPKG_INCOMPATIBILITY:
1009 dpkg does some things here that we don't do yet. Do we care?
1011 1. If a version of the package is already installed, call
1012 old-prerm upgrade new-version
1013 2. If the script runs but exits with a non-zero exit status
1014 new-prerm failed-upgrade old-version
1015 Error unwind, for both the above cases:
1016 old-postinst abort-upgrade new-version
1021 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1023 /* DPKG_INCOMPATIBILITY:
1024 dpkg does some things here that we don't do yet. Do we care?
1025 (See prerm_upgrade_old_package for details)
1030 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1032 /* DPKG_INCOMPATIBILITY:
1033 dpkg does some things here that we don't do yet. Do we care?
1034 2. If a 'conflicting' package is being removed at the same time:
1035 1. If any packages depended on that conflicting package and
1036 --auto-deconfigure is specified, call, for each such package:
1037 deconfigured's-prerm deconfigure \
1038 in-favour package-being-installed version \
1039 removing conflicting-package version
1041 deconfigured's-postinst abort-deconfigure \
1042 in-favour package-being-installed-but-failed version \
1043 removing conflicting-package version
1045 The deconfigured packages are marked as requiring
1046 configuration, so that if --install is used they will be
1047 configured again if possible.
1048 2. To prepare for removal of the conflicting package, call:
1049 conflictor's-prerm remove in-favour package new-version
1051 conflictor's-postinst abort-remove in-favour package new-version
1056 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1058 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1059 do yet. Do we care? (See prerm_deconfigure_conflictors for
1064 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1070 char *old_version = pkg_version_str_alloc(old_pkg);
1071 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1073 } else if (pkg->state_status == SS_CONFIG_FILES) {
1074 char *pkg_version = pkg_version_str_alloc(pkg);
1075 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1078 preinst_args = strdup("install");
1081 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1083 opkg_message(conf, OPKG_ERROR,
1084 "Aborting installation of %s\n", pkg->name);
1093 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1095 /* DPKG_INCOMPATIBILITY:
1096 dpkg does the following error unwind, should we?
1097 pkg->postrm abort-upgrade old-version
1098 OR pkg->postrm abort-install old-version
1099 OR pkg->postrm abort-install
1104 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1107 conffile_list_elt_t *iter;
1110 if (conf->noaction) return 0;
1112 /* Backup all modified conffiles */
1114 for (iter = old_pkg->conffiles.head; iter; iter = iter->next) {
1118 cf_name = root_filename_alloc(conf, cf->name);
1120 /* Don't worry if the conffile is just plain gone */
1121 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1122 err = backup_make_backup(conf, cf_name);
1131 /* Backup all conffiles that were not conffiles in old_pkg */
1132 for (iter = pkg->conffiles.head; iter; iter = iter->next) {
1135 cf_name = root_filename_alloc(conf, cf->name);
1136 /* Ignore if this was a conffile in old_pkg as well */
1137 if (pkg_get_conffile(old_pkg, cf->name)) {
1141 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1142 err = backup_make_backup(conf, cf_name);
1153 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1155 conffile_list_elt_t *iter;
1158 for (iter = old_pkg->conffiles.head; iter; iter = iter->next) {
1159 backup_remove(iter->data->name);
1163 for (iter = pkg->conffiles.head; iter; iter = iter->next) {
1164 backup_remove(iter->data->name);
1171 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1173 /* DPKG_INCOMPATIBILITY:
1174 opkg takes a slightly different approach than dpkg at this
1175 point. dpkg installs each file in the new package while
1176 creating a backup for any file that is replaced, (so that it
1177 can unwind if necessary). To avoid complexity and redundant
1178 storage, opkg doesn't do any installation until later, (at the
1179 point at which dpkg removes the backups.
1181 But, we do have to check for data file clashes, since after
1182 installing a package with a file clash, removing either of the
1183 packages involved in the clash has the potential to break the
1186 str_list_t *files_list;
1187 str_list_elt_t *iter;
1191 files_list = pkg_get_installed_files(pkg);
1192 for (iter = files_list->head; iter; iter = iter->next) {
1193 char *root_filename;
1194 char *filename = iter->data;
1195 root_filename = root_filename_alloc(conf, filename);
1196 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1199 /* Pre-existing conffiles are OK */
1200 /* @@@@ should have way to check that it is a conffile -Jamey */
1201 if (backup_exists_for(root_filename)) {
1205 /* Pre-existing files are OK if force-overwrite was asserted. */
1206 if (conf->force_overwrite) {
1207 /* but we need to change who owns this file */
1208 file_hash_set_file_owner(conf, filename, pkg);
1212 owner = file_hash_get_file_owner(conf, filename);
1214 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1215 if (owner && old_pkg) {
1216 if (strcmp(owner->name, old_pkg->name) == 0) {
1221 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1223 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1224 if (pkg_replaces(pkg, owner)) {
1227 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1228 then it's ok to overwrite. */
1229 if (strcmp(owner->name,pkg->name)==0){
1230 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1235 /* Pre-existing files are OK if they are obsolete */
1236 obs = hash_table_get(&conf->obs_file_hash, filename);
1238 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1242 /* We have found a clash. */
1243 opkg_message(conf, OPKG_ERROR,
1244 "Package %s wants to install file %s\n"
1245 "\tBut that file is already provided by package ",
1246 pkg->name, filename);
1248 opkg_message(conf, OPKG_ERROR,
1249 "%s\n", owner->name);
1251 opkg_message(conf, OPKG_ERROR,
1252 "<no package>\nPlease move this file out of the way and try again.\n");
1256 free(root_filename);
1258 pkg_free_installed_files(pkg);
1263 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1265 /* Basically that's the worst hack I could do to be able to change ownership of
1266 file list, but, being that we have no way to unwind the mods, due to structure
1267 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1268 What we do here is change the ownership of file in hash if a replace ( or similar events
1270 Only the action that are needed to change name should be considered.
1271 @@@ To change after 1.0 release.
1273 str_list_t *files_list;
1274 str_list_elt_t *iter;
1278 files_list = pkg_get_installed_files(pkg);
1279 for (iter = files_list->head; iter; iter = iter->next) {
1280 char *root_filename;
1281 char *filename = iter->data;
1282 root_filename = root_filename_alloc(conf, filename);
1283 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1286 if (conf->force_overwrite) {
1287 /* but we need to change who owns this file */
1288 file_hash_set_file_owner(conf, filename, pkg);
1292 owner = file_hash_get_file_owner(conf, filename);
1294 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1296 if (pkg_replaces(pkg, owner)) {
1297 /* It's now time to change the owner of that file.
1298 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1299 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1300 file_hash_set_file_owner(conf, filename, pkg);
1306 free(root_filename);
1308 pkg_free_installed_files(pkg);
1313 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1315 /* Nothing to do since check_data_file_clashes doesn't change state */
1319 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1321 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1322 1. If the package is being upgraded, call
1323 old-postrm upgrade new-version
1324 2. If this fails, attempt:
1325 new-postrm failed-upgrade old-version
1326 Error unwind, for both cases:
1327 old-preinst abort-upgrade new-version */
1331 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1333 /* DPKG_INCOMPATIBILITY:
1334 dpkg does some things here that we don't do yet. Do we care?
1335 (See postrm_upgrade_old_pkg for details)
1340 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1343 str_list_t *old_files;
1345 str_list_t *new_files;
1348 if (old_pkg == NULL) {
1352 old_files = pkg_get_installed_files(old_pkg);
1353 new_files = pkg_get_installed_files(pkg);
1355 for (of = old_files->head; of; of = of->next) {
1359 for (nf = new_files->head; nf; nf = nf->next) {
1361 if (strcmp(old, new) == 0) {
1365 if (file_is_dir(old)) {
1368 owner = file_hash_get_file_owner(conf, old);
1369 if (owner != old_pkg) {
1370 /* in case obsolete file no longer belongs to old_pkg */
1374 /* old file is obsolete */
1375 opkg_message(conf, OPKG_INFO,
1376 " removing obsolete file %s\n", old);
1377 if (!conf->noaction) {
1380 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1389 pkg_free_installed_files(old_pkg);
1390 pkg_free_installed_files(pkg);
1395 static int remove_obsolete_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1403 opkg_message(conf, OPKG_ERROR, "%s: no dest for package %s\n", __FUNCTION__, pkg->name);
1406 sprintf_alloc(&globpattern, "%s/%s.*", pkg->dest->info_dir, pkg->name);
1407 err = glob(globpattern, 0, NULL, &globbuf);
1412 /* XXXX this should perhaps only remove the ones that are not overwritten in new package. Jamey 11/11/2003 */
1413 for (i = 0; i < globbuf.gl_pathc; i++) {
1414 opkg_message(conf, OPKG_DEBUG, "Removing control file %s from old_pkg %s\n",
1415 globbuf.gl_pathv[i], old_pkg->name);
1416 if (!conf->noaction)
1417 unlink(globbuf.gl_pathv[i]);
1424 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1430 remove_obsolete_maintainer_scripts(conf, pkg, old_pkg);
1431 sprintf_alloc(&prefix, "%s.", pkg->name);
1432 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1433 pkg->dest->info_dir,
1439 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1441 /* DPKG_INCOMPATIBILITY:
1442 This is a fairly sophisticated dpkg operation. Shall we
1445 /* Any packages all of whose files have been overwritten during the
1446 installation, and which aren't required for dependencies, are
1447 considered to have been removed. For each such package
1448 1. disappearer's-postrm disappear overwriter overwriter-version
1449 2. The package's maintainer scripts are removed
1450 3. It is noted in the status database as being in a sane state,
1451 namely not installed (any conffiles it may have are ignored,
1452 rather than being removed by dpkg). Note that disappearing
1453 packages do not have their prerm called, because dpkg doesn't
1454 know in advance that the package is going to vanish.
1459 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1463 /* opkg takes a slightly different approach to data file backups
1464 than dpkg. Rather than removing backups at this point, we
1465 actually do the data file installation now. See comments in
1466 check_data_file_clashes() for more details. */
1468 opkg_message(conf, OPKG_INFO,
1469 " extracting data files to %s\n", pkg->dest->root_dir);
1470 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1475 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1476 so we can't save ourself from removing important packages
1477 At this point we (should) have extracted the .control file, so it
1478 would be a good idea to reload the data in it, and set the Essential
1479 state in *pkg. From now on the Essential is back in status file and
1480 we can protect again.
1481 We should operate this way:
1482 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1483 check for "Essential" in it
1484 set the value in pkg->essential.
1485 This new routine could be useful also for every other flag
1487 set_flags_from_control(conf, pkg) ;
1489 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1490 err = pkg_write_filelist(conf, pkg);
1494 /* XXX: FEATURE: opkg should identify any files which existed
1495 before installation and which were overwritten, (see
1496 check_data_file_clashes()). What it must do is remove any such
1497 files from the filelist of the old package which provided the
1498 file. Otherwise, if the old package were removed at some point
1499 it would break the new package. Removing the new package will
1500 also break the old one, but this cannot be helped since the old
1501 package's file has already been deleted. This is the importance
1502 of check_data_file_clashes(), and only allowing opkg to install
1503 a clashing package with a user force. */
1508 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1510 conffile_list_elt_t *iter;
1517 if (conf->noaction) return 0;
1519 for (iter = pkg->conffiles.head; iter; iter = iter->next) {
1520 char *root_filename;
1522 root_filename = root_filename_alloc(conf, cf->name);
1524 /* Might need to initialize the md5sum for each conffile */
1525 if (cf->value == NULL) {
1526 cf->value = file_md5sum_alloc(root_filename);
1529 if (!file_exists(root_filename)) {
1530 free(root_filename);
1534 cf_backup = backup_filename_alloc(root_filename);
1537 if (file_exists(cf_backup)) {
1538 /* Let's compute md5 to test if files are changed */
1539 md5sum = file_md5sum_alloc(cf_backup);
1540 if (strcmp( cf->value,md5sum) != 0 ) {
1541 if (conf->force_defaults
1542 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1543 rename(cf_backup, root_filename);
1551 free(root_filename);
1557 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1560 const char *short_file_name;
1562 short_file_name = strrchr(file_name, '/');
1563 if (short_file_name) {
1566 short_file_name = file_name;
1570 response = get_user_response(" Configuration file '%s'\n"
1571 " ==> File on system created by you or by a script.\n"
1572 " ==> File also in package provided by package maintainer.\n"
1573 " What would you like to do about it ? Your options are:\n"
1574 " Y or I : install the package maintainer's version\n"
1575 " N or O : keep your currently-installed version\n"
1576 " D : show the differences between the versions (if diff is installed)\n"
1577 " The default action is to keep your current version.\n"
1578 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1579 if (strcmp(response, "y") == 0
1580 || strcmp(response, "i") == 0
1581 || strcmp(response, "yes") == 0) {
1586 if (strcmp(response, "d") == 0) {
1590 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1591 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1594 printf(" [Press ENTER to continue]\n");
1595 response = file_read_line_alloc(stdin);
1605 /* XXX: CLEANUP: I'd like to move all of the code for
1606 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1607 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1608 pkg_deinit for example). */
1609 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1612 struct dirent *dirent;
1615 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1617 opkg_message(conf, OPKG_DEBUG,
1618 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1619 __FUNCTION__, pkg->tmp_unpack_dir);
1623 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1624 tmp_dir = opendir(pkg->tmp_unpack_dir);
1627 dirent = readdir(tmp_dir);
1628 if (dirent == NULL) {
1631 sprintf_alloc(&tmp_file, "%s/%s",
1632 pkg->tmp_unpack_dir, dirent->d_name);
1633 if (! file_is_dir(tmp_file)) {
1639 rmdir(pkg->tmp_unpack_dir);
1640 free(pkg->tmp_unpack_dir);
1641 pkg->tmp_unpack_dir = NULL;
1645 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1646 pkg->name, pkg->local_filename, conf->tmp_dir);
1647 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1648 unlink(pkg->local_filename);
1649 free(pkg->local_filename);
1650 pkg->local_filename = NULL;
1656 static char *backup_filename_alloc(const char *file_name)
1660 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1665 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1670 backup = backup_filename_alloc(file_name);
1671 err = file_copy(file_name, backup);
1673 opkg_message(conf, OPKG_ERROR,
1674 "%s: Failed to copy %s to %s\n",
1675 __FUNCTION__, file_name, backup);
1683 static int backup_exists_for(const char *file_name)
1688 backup = backup_filename_alloc(file_name);
1690 ret = file_exists(backup);
1697 static int backup_remove(const char *file_name)
1701 backup = backup_filename_alloc(file_name);