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.
25 typedef void (*sighandler_t)(int);
30 #include "pkg_extract.h"
32 #include "opkg_install.h"
33 #include "opkg_configure.h"
34 #include "opkg_download.h"
35 #include "opkg_remove.h"
37 #include "opkg_utils.h"
38 #include "opkg_message.h"
39 #include "opkg_state.h"
40 #include "opkg_defines.h"
42 #include "sprintf_alloc.h"
43 #include "file_util.h"
48 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg);
49 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg);
51 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
52 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
53 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors);
54 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors);
55 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
56 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
57 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
58 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
59 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
60 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
61 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
62 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
63 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
65 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
66 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
67 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg);
68 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg);
69 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg);
71 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg);
73 static int user_prefers_old_conffile(const char *file, const char *backup);
75 static char *backup_filename_alloc(const char *file_name);
76 static int backup_make_backup(opkg_conf_t *conf, const char *file_name);
77 static int backup_exists_for(const char *file_name);
78 static int backup_remove(const char *file_name);
81 int opkg_install_from_file(opkg_conf_t *conf, const char *filename)
85 char *old_version, *new_version;
92 err = pkg_init_from_file(pkg, filename);
97 if (!pkg->architecture) {
98 opkg_message(conf, OPKG_ERROR, "Package %s has no Architecture defined.\n", pkg->name);
102 /* XXX: CLEANUP: hash_insert_pkg has a nasty side effect of possibly
103 freeing the pkg that we pass in. It might be nice to clean this up
105 pkg = hash_insert_pkg(&conf->pkg_hash, pkg, 1,conf);
106 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
108 pkg->local_filename = strdup(filename);
111 old_version = pkg_version_str_alloc(old);
112 new_version = pkg_version_str_alloc(pkg);
114 cmp = pkg_compare_versions(old, pkg);
115 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
116 cmp = -1 ; /* then we force opkg to downgrade */
117 /* We need to use a value < 0 because in the 0 case we are asking to */
118 /* reinstall, and some check could fail asking the "force-reinstall" option */
121 opkg_message(conf, OPKG_NOTICE,
122 "Not downgrading package %s on %s from %s to %s.\n",
123 old->name, old->dest->name, old_version, new_version);
124 pkg->state_want = SW_DEINSTALL;
125 pkg->state_flag |= SF_OBSOLETE;
135 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
136 return opkg_install_pkg(conf, pkg,0);
139 opkg_error_t opkg_install_by_name(opkg_conf_t *conf, const char *pkg_name)
143 char *old_version, *new_version;
145 opkg_message(conf, OPKG_DEBUG2, " Getting old from pkg_hash_fetch \n" );
146 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
148 opkg_message(conf, OPKG_DEBUG2, " Old versions from pkg_hash_fetch %s \n", old->version );
150 opkg_message(conf, OPKG_DEBUG2, " Getting new from pkg_hash_fetch \n" );
151 new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name, &err);
153 opkg_message(conf, OPKG_DEBUG2, " New versions from pkg_hash_fetch %s \n", new->version );
155 /* Pigi Basically here is broken the version stuff.
156 What's happening is that nothing provide the version to differents
157 functions, so the returned struct is always the latest.
158 That's why the install by name don't work.
160 opkg_message(conf, OPKG_DEBUG2, " Versions from pkg_hash_fetch in %s ", __FUNCTION__ );
163 opkg_message(conf, OPKG_DEBUG2, " old %s ", old->version );
165 opkg_message(conf, OPKG_DEBUG2, " new %s ", new->version );
166 opkg_message(conf, OPKG_DEBUG2, " \n");
172 return OPKG_PKG_HAS_NO_CANDIDATE;
175 new->state_flag |= SF_USER;
177 old_version = pkg_version_str_alloc(old);
178 new_version = pkg_version_str_alloc(new);
180 cmp = pkg_compare_versions(old, new);
181 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
182 opkg_message(conf, OPKG_DEBUG, " Forcing downgrade \n");
183 cmp = -1 ; /* then we force opkg to downgrade */
184 /* We need to use a value < 0 because in the 0 case we are asking to */
185 /* reinstall, and some check could fail asking the "force-reinstall" option */
187 opkg_message(conf, OPKG_DEBUG,
188 "Comparing visible versions of pkg %s:"
189 "\n\t%s is installed "
190 "\n\t%s is available "
191 "\n\t%d was comparison result\n",
192 pkg_name, old_version, new_version, cmp);
193 if (cmp == 0 && !conf->force_reinstall) {
194 opkg_message(conf, OPKG_NOTICE,
195 "Package %s (%s) installed in %s is up to date.\n",
196 old->name, old_version, old->dest->name);
200 } else if (cmp > 0) {
201 opkg_message(conf, OPKG_NOTICE,
202 "Not downgrading package %s on %s from %s to %s.\n",
203 old->name, old->dest->name, old_version, new_version);
207 } else if (cmp < 0) {
208 new->dest = old->dest;
209 old->state_want = SW_DEINSTALL; /* Here probably the problem for bug 1277 */
213 /* XXX: CLEANUP: The error code of opkg_install_by_name is really
214 supposed to be an opkg_error_t, but opkg_install_pkg could
215 return any kind of integer, (might be errno from a syscall,
216 etc.). This is a real mess and will need to be cleaned up if
217 anyone ever wants to make a nice libopkg. */
219 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
220 return opkg_install_pkg(conf, new,0);
223 opkg_error_t opkg_install_multi_by_name(opkg_conf_t *conf, const char *pkg_name)
225 abstract_pkg_vec_t *providers = pkg_hash_fetch_all_installation_candidates (&conf->pkg_hash, pkg_name);
228 abstract_pkg_t *ppkg ;
230 if (providers == NULL)
231 return OPKG_PKG_HAS_NO_CANDIDATE;
233 for (i = 0; i < providers->len; i++) {
234 ppkg = abstract_pkg_vec_get(providers, i);
235 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_by_name %d \n",__FUNCTION__, i);
236 err = opkg_install_by_name(conf, ppkg->name);
239 /* XXX Maybe ppkg should be freed ? */
245 * Walk dependence graph starting with pkg, collect packages to be
246 * installed into pkgs_needed, in dependence order.
248 int pkg_mark_dependencies_for_installation(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *pkgs_needed)
251 pkg_vec_t *depends = pkg_vec_alloc();
252 char **unresolved = NULL;
255 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
260 opkg_message(conf, OPKG_ERROR,
261 "%s: Cannot satisfy the following dependencies for %s:\n\t",
262 conf->force_depends ? "Warning" : "ERROR", pkg->name);
263 while (*unresolved) {
264 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
267 opkg_message(conf, OPKG_ERROR, "\n");
268 if (! conf->force_depends) {
269 opkg_message(conf, OPKG_INFO,
270 "This could mean that your package list is out of date or that the packages\n"
271 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
272 "of this problem try again with the '-force-depends' option.\n");
273 pkg_vec_free(depends);
274 return OPKG_PKG_DEPS_UNSATISFIED;
279 pkg_vec_free(depends);
283 for (i = 0; i < depends->len; i++) {
284 pkg_t *dep = depends->pkgs[i];
285 /* The package was uninstalled when we started, but another
286 dep earlier in this loop may have depended on it and pulled
287 it in, so check first. */
288 if ((dep->state_status != SS_INSTALLED)
289 && (dep->state_status != SS_UNPACKED)
290 && (dep->state_want != SW_INSTALL)) {
292 /* Mark packages as to-be-installed */
293 dep->state_want = SW_INSTALL;
295 /* Dependencies should be installed the same place as pkg */
296 if (dep->dest == NULL) {
297 dep->dest = pkg->dest;
300 err = pkg_mark_dependencies_for_installation(conf, dep, pkgs_needed);
302 pkg_vec_free(depends);
308 pkg_vec_insert(pkgs_needed, pkg);
310 pkg_vec_free(depends);
315 int satisfy_dependencies_for(opkg_conf_t *conf, pkg_t *pkg)
318 pkg_vec_t *depends = pkg_vec_alloc();
320 char **unresolved = NULL;
323 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
328 opkg_message(conf, OPKG_ERROR,
329 "%s: Cannot satisfy the following dependencies for %s:\n\t",
330 conf->force_depends ? "Warning" : "ERROR", pkg->name);
331 while (*unresolved) {
332 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
335 opkg_message(conf, OPKG_ERROR, "\n");
336 if (! conf->force_depends) {
337 opkg_message(conf, OPKG_INFO,
338 "This could mean that your package list is out of date or that the packages\n"
339 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
340 "of this problem try again with the '-force-depends' option.\n");
341 pkg_vec_free(depends);
342 return OPKG_PKG_DEPS_UNSATISFIED;
347 pkg_vec_free(depends);
351 /* Mark packages as to-be-installed */
352 for (i=0; i < depends->len; i++) {
353 /* Dependencies should be installed the same place as pkg */
354 if (depends->pkgs[i]->dest == NULL) {
355 depends->pkgs[i]->dest = pkg->dest;
357 depends->pkgs[i]->state_want = SW_INSTALL;
360 for (i = 0; i < depends->len; i++) {
361 dep = depends->pkgs[i];
362 /* The package was uninstalled when we started, but another
363 dep earlier in this loop may have depended on it and pulled
364 it in, so check first. */
365 if ((dep->state_status != SS_INSTALLED)
366 && (dep->state_status != SS_UNPACKED)) {
367 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
368 err = opkg_install_pkg(conf, dep,0);
369 /* mark this package as having been automatically installed to
370 * satisfy a dependancy */
371 dep->auto_installed = 1;
373 pkg_vec_free(depends);
379 pkg_vec_free(depends);
385 /* check all packages have their dependences satisfied, e.g., in case an upgraded package split */
386 int opkg_satisfy_all_dependences(opkg_conf_t *conf)
388 if (conf->nodeps == 0) {
390 pkg_vec_t *installed = pkg_vec_alloc();
391 pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
392 for (i = 0; i < installed->len; i++) {
393 pkg_t *pkg = installed->pkgs[i];
394 satisfy_dependencies_for(conf, pkg);
396 pkg_vec_free(installed);
402 static int check_conflicts_for(opkg_conf_t *conf, pkg_t *pkg)
405 pkg_vec_t *conflicts = NULL;
408 if (conf->force_depends) {
416 if (!conf->force_depends)
417 conflicts = (pkg_vec_t *)pkg_hash_fetch_conflicts(&conf->pkg_hash, pkg);
420 opkg_message(conf, level,
421 "%s: The following packages conflict with %s:\n\t", prefix, pkg->name);
423 while (i < conflicts->len)
424 opkg_message(conf, level, " %s", conflicts->pkgs[i++]->name);
425 opkg_message(conf, level, "\n");
426 pkg_vec_free(conflicts);
427 return OPKG_PKG_DEPS_UNSATISFIED;
432 static int update_file_ownership(opkg_conf_t *conf, pkg_t *new_pkg, pkg_t *old_pkg)
434 str_list_t *new_list = pkg_get_installed_files(new_pkg);
435 str_list_elt_t *iter, *niter;
437 for (iter = str_list_first(new_list), niter = str_list_next(new_list, iter);
439 iter = niter, niter = str_list_next(new_list, niter)) {
440 char *new_file = (char *)iter->data;
441 pkg_t *owner = file_hash_get_file_owner(conf, new_file);
443 opkg_message(conf, OPKG_ERROR, "Null new_file for new_pkg=%s\n", new_pkg->name);
444 if (!owner || (owner == old_pkg))
445 file_hash_set_file_owner(conf, new_file, new_pkg);
448 str_list_t *old_list = pkg_get_installed_files(old_pkg);
449 for (iter = str_list_first(old_list), niter = str_list_next(old_list, iter);
451 iter = niter, niter = str_list_next(old_list, niter)) {
452 char *old_file = (char *)iter->data;
453 pkg_t *owner = file_hash_get_file_owner(conf, old_file);
454 if (owner == old_pkg) {
456 hash_table_insert(&conf->obs_file_hash, old_file, old_pkg);
459 pkg_free_installed_files(old_pkg);
461 pkg_free_installed_files(new_pkg);
465 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg)
467 /* XXX: FEATURE: Anything else needed here? Maybe a check on free space? */
469 /* sma 6.20.02: yup; here's the first bit */
471 * XXX: BUG easy for cworth
472 * 1) please point the call below to the correct current root destination
473 * 2) we need to resolve how to check the required space for a pending pkg,
474 * my diddling with the .opk file size below isn't going to cut it.
475 * 3) return a proper error code instead of 1
477 int comp_size, blocks_available;
480 if (!conf->force_space && pkg->installed_size != NULL) {
481 root_dir = pkg->dest ? pkg->dest->root_dir : conf->default_dest->root_dir;
482 blocks_available = get_available_blocks(root_dir);
484 comp_size = strtoul(pkg->installed_size, NULL, 0);
485 /* round up a blocks count without doing fancy-but-slow casting jazz */
486 comp_size = (int)((comp_size + 1023) / 1024);
488 if (comp_size >= blocks_available) {
489 opkg_message(conf, OPKG_ERROR,
490 "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
491 blocks_available, root_dir, pkg->name, comp_size);
498 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg)
501 char *conffiles_file_name;
503 FILE *conffiles_file;
505 sprintf_alloc(&pkg->tmp_unpack_dir, "%s/%s-XXXXXX", conf->tmp_dir, pkg->name);
507 pkg->tmp_unpack_dir = mkdtemp(pkg->tmp_unpack_dir);
508 if (pkg->tmp_unpack_dir == NULL) {
509 opkg_message(conf, OPKG_ERROR,
510 "%s: Failed to create temporary directory '%s': %s\n",
511 __FUNCTION__, pkg->tmp_unpack_dir, strerror(errno));
515 err = pkg_extract_control_files_to_dir(pkg, pkg->tmp_unpack_dir);
520 /* XXX: CLEANUP: There might be a cleaner place to read in the
521 conffiles. Seems like I should be able to get everything to go
522 through pkg_init_from_file. If so, maybe it would make sense to
523 move all of unpack_pkg_control_files to that function. */
525 /* Don't need to re-read conffiles if we already have it */
526 if (!nv_pair_list_empty(&pkg->conffiles)) {
530 sprintf_alloc(&conffiles_file_name, "%s/conffiles", pkg->tmp_unpack_dir);
531 if (! file_exists(conffiles_file_name)) {
532 free(conffiles_file_name);
536 conffiles_file = fopen(conffiles_file_name, "r");
537 if (conffiles_file == NULL) {
538 fprintf(stderr, "%s: failed to open %s: %s\n",
539 __FUNCTION__, conffiles_file_name, strerror(errno));
540 free(conffiles_file_name);
543 free(conffiles_file_name);
547 char *cf_name_in_dest;
549 cf_name = file_read_line_alloc(conffiles_file);
550 if (cf_name == NULL) {
554 if (cf_name[0] == '\0') {
558 /* Prepend dest->root_dir to conffile name.
559 Take pains to avoid multiple slashes. */
560 root_dir = pkg->dest->root_dir;
561 if (conf->offline_root)
562 /* skip the offline_root prefix */
563 root_dir = pkg->dest->root_dir + strlen(conf->offline_root);
564 sprintf_alloc(&cf_name_in_dest, "%s%s", root_dir,
565 cf_name[0] == '/' ? (cf_name + 1) : cf_name);
567 /* Can't get an md5sum now, (file isn't extracted yet).
568 We'll wait until resolve_conffiles */
569 conffile_list_append(&pkg->conffiles, cf_name_in_dest, NULL);
572 free(cf_name_in_dest);
575 fclose(conffiles_file);
580 static int pkg_remove_orphan_dependent(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
588 fprintf(stderr, "pkg shall not be NULL here. please send to the bugzilla!! [%s %d]\n", __FILE__, __LINE__);
591 if (old_pkg->depends_count == 0)
593 for (i=0;i<old_pkg->depends_count;i++) {
595 for (j=0;j<pkg->depends_count;j++) {
596 if (!strcmp(old_pkg->depends_str[i], pkg->depends_str[j])) {
603 d_str = old_pkg->depends_str[i];
604 buf = calloc (1, strlen (d_str) + 1);
606 while (d_str[j] != '\0' && d_str[j] != ' ') {
611 buf = realloc (buf, strlen (buf) + 1);
612 p = pkg_hash_fetch_installed_by_name (&conf->pkg_hash, buf);
614 fprintf(stderr, "The pkg %s had been removed!!\n", buf);
618 if (p->auto_installed) {
620 abstract_pkg_t **dependents;
621 deps = pkg_has_installed_dependents(conf, NULL, p, &dependents);
623 opkg_message (conf, OPKG_NOTICE,"%s was autoinstalled but is now orphaned, remove it.\n", buf);
624 opkg_remove_pkg(conf, p, 0);
626 opkg_message (conf, OPKG_INFO, "%s was autoinstalled and is still required by %d installed packages\n", buf, deps);
633 /* returns number of installed replacees */
634 int pkg_get_installed_replacees(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
636 abstract_pkg_t **replaces = pkg->replaces;
637 int replaces_count = pkg->replaces_count;
639 for (i = 0; i < replaces_count; i++) {
640 abstract_pkg_t *ab_pkg = replaces[i];
641 pkg_vec_t *pkg_vec = ab_pkg->pkgs;
643 for (j = 0; j < pkg_vec->len; j++) {
644 pkg_t *replacee = pkg_vec->pkgs[j];
645 if (!pkg_conflicts(pkg, replacee))
647 if (replacee->state_status == SS_INSTALLED) {
648 pkg_vec_insert(installed_replacees, replacee);
653 return installed_replacees->len;
656 int pkg_remove_installed_replacees(opkg_conf_t *conf, pkg_vec_t *replacees)
659 int replaces_count = replacees->len;
660 for (i = 0; i < replaces_count; i++) {
661 pkg_t *replacee = replacees->pkgs[i];
663 replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
664 err = opkg_remove_pkg(conf, replacee,0);
671 /* to unwind the removal: make sure they are installed */
672 int pkg_remove_installed_replacees_unwind(opkg_conf_t *conf, pkg_vec_t *replacees)
675 int replaces_count = replacees->len;
676 for (i = 0; i < replaces_count; i++) {
677 pkg_t *replacee = replacees->pkgs[i];
678 if (replacee->state_status != SS_INSTALLED) {
679 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
680 err = opkg_install_pkg(conf, replacee,0);
688 int caught_sigint = 0;
689 static void opkg_install_pkg_sigint_handler(int sig)
694 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
695 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
698 char message_out[15];
699 char *old_version = pkg_version_str_alloc(old_pkg);
700 char *new_version = pkg_version_str_alloc(pkg);
701 int cmp = pkg_compare_versions(old_pkg, pkg);
704 memset(message_out,'\x0',15);
705 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
706 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
707 cmp = -1 ; /* then we force opkg to downgrade */
708 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
709 /* reinstall, and some check could fail asking the "force-reinstall" option */
713 opkg_message(conf, OPKG_NOTICE,
714 "Not downgrading package %s on %s from %s to %s.\n",
715 old_pkg->name, old_pkg->dest->name, old_version, new_version);
717 } else if (cmp < 0) {
718 opkg_message(conf, OPKG_NOTICE,
719 "%s%s on %s from %s to %s...\n",
720 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
721 pkg->dest = old_pkg->dest;
723 } else /* cmp == 0 */ {
724 if (conf->force_reinstall) {
725 opkg_message(conf, OPKG_NOTICE,
726 "Reinstalling %s (%s) on %s...\n",
727 pkg->name, new_version, old_pkg->dest->name);
728 pkg->dest = old_pkg->dest;
731 opkg_message(conf, OPKG_NOTICE,
732 "Not installing %s (%s) on %s -- already installed.\n",
733 pkg->name, new_version, old_pkg->dest->name);
741 char message_out[15] ;
742 memset(message_out,'\x0',15);
744 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
746 strncpy( message_out,"Installing ",strlen("Installing ") );
747 char *version = pkg_version_str_alloc(pkg);
749 opkg_message(conf, OPKG_NOTICE,
750 "%s%s (%s) to %s...\n", message_out,
751 pkg->name, version, pkg->dest->name);
758 * @brief Really install a pkg_t
760 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
764 pkg_t *old_pkg = NULL;
765 pkg_vec_t *replacees;
766 abstract_pkg_t *ab_pkg = NULL;
775 message = 1; /* Coming from an upgrade, and should change the output message */
778 opkg_message(conf, OPKG_ERROR,
779 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
780 return OPKG_INSTALL_ERR_INTERNAL;
783 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
785 if (!pkg_arch_supported(conf, pkg)) {
786 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
787 pkg->architecture, pkg->name);
788 return OPKG_INSTALL_ERR_INTERNAL;
790 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
791 err = satisfy_dependencies_for(conf, pkg);
792 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
794 opkg_message(conf, OPKG_NOTICE,
795 "Package %s is already installed in %s.\n",
796 pkg->name, pkg->dest->name);
800 if (pkg->dest == NULL) {
801 pkg->dest = conf->default_dest;
804 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
806 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
807 if (err) { return OPKG_INSTALL_ERR_NO_DOWNGRADE; }
809 pkg->state_want = SW_INSTALL;
811 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
815 /* Abhaya: conflicts check */
816 err = check_conflicts_for(conf, pkg);
817 if (err) { return OPKG_INSTALL_ERR_CONFLICTS; }
819 /* this setup is to remove the upgrade scenario in the end when
820 installing pkg A, A deps B & B deps on A. So both B and A are
821 installed. Then A's installation is started resulting in an
822 uncecessary upgrade */
823 if (pkg->state_status == SS_INSTALLED
824 && conf->force_reinstall == 0) return 0;
826 err = verify_pkg_installable(conf, pkg);
827 if (err) { return OPKG_INSTALL_ERR_NO_SPACE; }
829 if (pkg->local_filename == NULL) {
830 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
832 opkg_message(conf, OPKG_ERROR,
833 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
835 return OPKG_INSTALL_ERR_DOWNLOAD;
839 /* check that the repository is valid */
841 char *list_file_name, *sig_file_name, *lists_dir;
843 /* check to ensure the package has come from a repository */
844 if (conf->check_signature && pkg->src)
846 sprintf_alloc (&lists_dir, "%s",
847 (conf->restrict_to_default_dest)
848 ? conf->default_dest->lists_dir
850 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, pkg->src->name);
851 sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, pkg->src->name);
853 if (file_exists (sig_file_name))
855 if (opkg_verify_file (conf, list_file_name, sig_file_name))
856 return OPKG_INSTALL_ERR_SIGNATURE;
860 free (list_file_name);
861 free (sig_file_name);
865 /* Check for md5 values */
868 file_md5 = file_md5sum_alloc(pkg->local_filename);
869 if (strcmp(file_md5, pkg->md5sum))
871 opkg_message(conf, OPKG_ERROR,
872 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
875 return OPKG_INSTALL_ERR_MD5;
881 /* Check for sha256 value */
884 file_sha256 = file_sha256sum_alloc(pkg->local_filename);
885 if (strcmp(file_sha256, pkg->sha256sum))
887 opkg_message(conf, OPKG_ERROR,
888 "Package %s sha256sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
891 return OPKG_INSTALL_ERR_SHA256;
896 if (pkg->tmp_unpack_dir == NULL) {
897 unpack_pkg_control_files(conf, pkg);
900 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
901 /* Pigi: check if it will pass from here when replacing. It seems to fail */
902 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
903 err = update_file_ownership(conf, pkg, old_pkg);
904 if (err) { return OPKG_ERR_UNKNOWN; }
906 if (conf->nodeps == 0) {
907 err = satisfy_dependencies_for(conf, pkg);
908 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
911 replacees = pkg_vec_alloc();
912 pkg_get_installed_replacees(conf, pkg, replacees);
914 sprintf_alloc (&pkgid, "%s;%s;%s;", pkg->name, pkg->version, pkg->architecture);
915 opkg_set_current_state (conf, OPKG_STATE_INSTALLING_PKG, pkgid);
918 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
920 sigset_t newset, oldset;
921 sighandler_t old_handler = NULL;
925 old_handler = signal(SIGINT, opkg_install_pkg_sigint_handler);
927 sigemptyset(&newset);
928 sigaddset(&newset, SIGINT);
929 sigprocmask(SIG_BLOCK, &newset, &oldset);
932 opkg_state_changed++;
933 pkg->state_flag |= SF_FILELIST_CHANGED;
935 pkg_remove_orphan_dependent(conf, pkg, old_pkg);
937 /* XXX: BUG: we really should treat replacement more like an upgrade
938 * Instead, we're going to remove the replacees
940 err = pkg_remove_installed_replacees(conf, replacees);
941 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
943 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
944 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
946 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
947 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
949 err = preinst_configure(conf, pkg, old_pkg);
950 if (err) goto UNWIND_PREINST_CONFIGURE;
952 err = backup_modified_conffiles(conf, pkg, old_pkg);
953 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
955 err = check_data_file_clashes(conf, pkg, old_pkg);
956 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
958 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
959 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
961 if (conf->noaction) return 0;
963 /* point of no return: no unwinding after this */
964 if (old_pkg && !conf->force_reinstall) {
965 old_pkg->state_want = SW_DEINSTALL;
967 if (old_pkg->state_flag & SF_NOPRUNE) {
968 opkg_message(conf, OPKG_INFO,
969 " not removing obsolesced files because package marked noprune\n");
971 opkg_message(conf, OPKG_INFO,
972 " removing obsolesced files\n");
973 remove_obsolesced_files(conf, pkg, old_pkg);
975 /* removing files from old package, to avoid ghost files */
976 remove_data_files_and_list(conf, old_pkg);
977 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
978 remove_maintainer_scripts_except_postrm(conf, old_pkg);
979 remove_postrm(conf, old_pkg);
985 opkg_message(conf, OPKG_INFO,
986 " installing maintainer scripts\n");
987 install_maintainer_scripts(conf, pkg, old_pkg);
989 /* the following just returns 0 */
990 remove_disappeared(conf, pkg);
992 opkg_message(conf, OPKG_INFO,
993 " installing data files\n");
994 install_data_files(conf, pkg);
996 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
997 err = check_data_file_clashes_change(conf, pkg, old_pkg);
999 opkg_message(conf, OPKG_INFO,
1000 " resolving conf files\n");
1001 resolve_conffiles(conf, pkg);
1003 pkg->state_status = SS_UNPACKED;
1004 old_state_flag = pkg->state_flag;
1005 pkg->state_flag &= ~SF_PREFER;
1006 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
1008 if (old_pkg && !conf->force_reinstall) {
1009 old_pkg->state_status = SS_NOT_INSTALLED;
1012 time(&pkg->installed_time);
1014 opkg_message(conf, OPKG_INFO,
1015 " cleanup temp files\n");
1016 cleanup_temporary_files(conf, pkg);
1018 ab_pkg = pkg->parent;
1020 ab_pkg->state_status = pkg->state_status;
1022 opkg_message(conf, OPKG_INFO, "Done.\n");
1025 signal(SIGINT, old_handler);
1027 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1028 pkg_vec_free (replacees);
1032 UNWIND_POSTRM_UPGRADE_OLD_PKG:
1033 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1034 UNWIND_CHECK_DATA_FILE_CLASHES:
1035 check_data_file_clashes_unwind(conf, pkg, old_pkg);
1036 UNWIND_BACKUP_MODIFIED_CONFFILES:
1037 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
1038 UNWIND_PREINST_CONFIGURE:
1039 preinst_configure_unwind(conf, pkg, old_pkg);
1040 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
1041 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
1042 UNWIND_PRERM_UPGRADE_OLD_PKG:
1043 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1044 UNWIND_REMOVE_INSTALLED_REPLACEES:
1045 pkg_remove_installed_replacees_unwind(conf, replacees);
1047 opkg_message(conf, OPKG_INFO,
1048 " cleanup temp files\n");
1049 cleanup_temporary_files(conf, pkg);
1051 opkg_message(conf, OPKG_INFO,
1054 signal(SIGINT, old_handler);
1056 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1058 pkg_vec_free (replacees);
1059 return OPKG_ERR_UNKNOWN;
1061 opkg_set_current_state (conf, OPKG_STATE_NONE, NULL);
1064 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1066 /* DPKG_INCOMPATIBILITY:
1067 dpkg does some things here that we don't do yet. Do we care?
1069 1. If a version of the package is already installed, call
1070 old-prerm upgrade new-version
1071 2. If the script runs but exits with a non-zero exit status
1072 new-prerm failed-upgrade old-version
1073 Error unwind, for both the above cases:
1074 old-postinst abort-upgrade new-version
1079 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1081 /* DPKG_INCOMPATIBILITY:
1082 dpkg does some things here that we don't do yet. Do we care?
1083 (See prerm_upgrade_old_package for details)
1088 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1090 /* DPKG_INCOMPATIBILITY:
1091 dpkg does some things here that we don't do yet. Do we care?
1092 2. If a 'conflicting' package is being removed at the same time:
1093 1. If any packages depended on that conflicting package and
1094 --auto-deconfigure is specified, call, for each such package:
1095 deconfigured's-prerm deconfigure \
1096 in-favour package-being-installed version \
1097 removing conflicting-package version
1099 deconfigured's-postinst abort-deconfigure \
1100 in-favour package-being-installed-but-failed version \
1101 removing conflicting-package version
1103 The deconfigured packages are marked as requiring
1104 configuration, so that if --install is used they will be
1105 configured again if possible.
1106 2. To prepare for removal of the conflicting package, call:
1107 conflictor's-prerm remove in-favour package new-version
1109 conflictor's-postinst abort-remove in-favour package new-version
1114 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1116 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1117 do yet. Do we care? (See prerm_deconfigure_conflictors for
1122 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1128 char *old_version = pkg_version_str_alloc(old_pkg);
1129 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1131 } else if (pkg->state_status == SS_CONFIG_FILES) {
1132 char *pkg_version = pkg_version_str_alloc(pkg);
1133 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1136 preinst_args = strdup("install");
1139 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1141 opkg_message(conf, OPKG_ERROR,
1142 "Aborting installation of %s\n", pkg->name);
1151 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1153 /* DPKG_INCOMPATIBILITY:
1154 dpkg does the following error unwind, should we?
1155 pkg->postrm abort-upgrade old-version
1156 OR pkg->postrm abort-install old-version
1157 OR pkg->postrm abort-install
1162 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1165 conffile_list_elt_t *iter;
1168 if (conf->noaction) return 0;
1170 /* Backup all modified conffiles */
1172 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1176 cf_name = root_filename_alloc(conf, cf->name);
1178 /* Don't worry if the conffile is just plain gone */
1179 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1180 err = backup_make_backup(conf, cf_name);
1189 /* Backup all conffiles that were not conffiles in old_pkg */
1190 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1192 cf = (conffile_t *)iter->data;
1193 cf_name = root_filename_alloc(conf, cf->name);
1194 /* Ignore if this was a conffile in old_pkg as well */
1195 if (pkg_get_conffile(old_pkg, cf->name)) {
1199 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1200 err = backup_make_backup(conf, cf_name);
1211 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1213 conffile_list_elt_t *iter;
1216 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1217 backup_remove(((nv_pair_t *)iter->data)->name);
1221 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1222 backup_remove(((nv_pair_t *)iter->data)->name);
1229 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1231 /* DPKG_INCOMPATIBILITY:
1232 opkg takes a slightly different approach than dpkg at this
1233 point. dpkg installs each file in the new package while
1234 creating a backup for any file that is replaced, (so that it
1235 can unwind if necessary). To avoid complexity and redundant
1236 storage, opkg doesn't do any installation until later, (at the
1237 point at which dpkg removes the backups.
1239 But, we do have to check for data file clashes, since after
1240 installing a package with a file clash, removing either of the
1241 packages involved in the clash has the potential to break the
1244 str_list_t *files_list;
1245 str_list_elt_t *iter, *niter;
1249 files_list = pkg_get_installed_files(pkg);
1250 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1252 iter = niter, niter = str_list_next(files_list, iter)) {
1253 char *root_filename;
1254 char *filename = (char *) iter->data;
1255 root_filename = root_filename_alloc(conf, filename);
1256 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1259 /* Pre-existing conffiles are OK */
1260 /* @@@@ should have way to check that it is a conffile -Jamey */
1261 if (backup_exists_for(root_filename)) {
1265 /* Pre-existing files are OK if force-overwrite was asserted. */
1266 if (conf->force_overwrite) {
1267 /* but we need to change who owns this file */
1268 file_hash_set_file_owner(conf, filename, pkg);
1272 owner = file_hash_get_file_owner(conf, filename);
1274 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1275 if (owner && old_pkg) {
1276 if (strcmp(owner->name, old_pkg->name) == 0) {
1281 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1283 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1284 if (pkg_replaces(pkg, owner)) {
1287 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1288 then it's ok to overwrite. */
1289 if (strcmp(owner->name,pkg->name)==0){
1290 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1295 /* Pre-existing files are OK if they are obsolete */
1296 obs = hash_table_get(&conf->obs_file_hash, filename);
1298 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1302 /* We have found a clash. */
1303 opkg_message(conf, OPKG_ERROR,
1304 "Package %s wants to install file %s\n"
1305 "\tBut that file is already provided by package ",
1306 pkg->name, filename);
1308 opkg_message(conf, OPKG_ERROR,
1309 "%s\n", owner->name);
1311 opkg_message(conf, OPKG_ERROR,
1312 "<no package>\nPlease move this file out of the way and try again.\n");
1316 free(root_filename);
1318 pkg_free_installed_files(pkg);
1323 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1325 /* Basically that's the worst hack I could do to be able to change ownership of
1326 file list, but, being that we have no way to unwind the mods, due to structure
1327 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1328 What we do here is change the ownership of file in hash if a replace ( or similar events
1330 Only the action that are needed to change name should be considered.
1331 @@@ To change after 1.0 release.
1333 str_list_t *files_list;
1334 str_list_elt_t *iter, *niter;
1336 char *root_filename = NULL;
1340 files_list = pkg_get_installed_files(pkg);
1341 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1343 iter = niter, niter = str_list_next(files_list, niter)) {
1344 char *filename = (char *) iter->data;
1345 if (root_filename) {
1346 free(root_filename);
1347 root_filename = NULL;
1349 root_filename = root_filename_alloc(conf, filename);
1350 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1353 owner = file_hash_get_file_owner(conf, filename);
1355 if (conf->force_overwrite) {
1356 /* but we need to change who owns this file */
1357 file_hash_set_file_owner(conf, filename, pkg);
1362 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1364 if (pkg_replaces(pkg, owner)) {
1365 /* It's now time to change the owner of that file.
1366 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1367 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1368 file_hash_set_file_owner(conf, filename, pkg);
1375 if (root_filename) {
1376 free(root_filename);
1377 root_filename = NULL;
1379 pkg_free_installed_files(pkg);
1384 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1386 /* Nothing to do since check_data_file_clashes doesn't change state */
1390 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1392 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1393 1. If the package is being upgraded, call
1394 old-postrm upgrade new-version
1395 2. If this fails, attempt:
1396 new-postrm failed-upgrade old-version
1397 Error unwind, for both cases:
1398 old-preinst abort-upgrade new-version */
1402 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1404 /* DPKG_INCOMPATIBILITY:
1405 dpkg does some things here that we don't do yet. Do we care?
1406 (See postrm_upgrade_old_pkg for details)
1411 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1414 str_list_t *old_files;
1416 str_list_t *new_files;
1418 hash_table_t new_files_table;
1420 if (old_pkg == NULL) {
1424 old_files = pkg_get_installed_files(old_pkg);
1425 new_files = pkg_get_installed_files(pkg);
1427 new_files_table.entries = NULL;
1428 hash_table_init("new_files" , &new_files_table, 20);
1429 for (nf = str_list_first(new_files); nf; nf = str_list_next(new_files, nf)) {
1431 hash_table_insert(&new_files_table, nf->data, nf->data);
1434 for (of = str_list_first(old_files); of; of = str_list_next(old_files, of)) {
1437 old = (char *)of->data;
1438 new = (char *) hash_table_get (&new_files_table, old);
1442 if (file_is_dir(old)) {
1445 owner = file_hash_get_file_owner(conf, old);
1446 if (owner != old_pkg) {
1447 /* in case obsolete file no longer belongs to old_pkg */
1451 /* old file is obsolete */
1452 opkg_message(conf, OPKG_INFO,
1453 " removing obsolete file %s\n", old);
1454 if (!conf->noaction) {
1457 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1463 hash_table_deinit(&new_files_table);
1464 pkg_free_installed_files(old_pkg);
1465 pkg_free_installed_files(pkg);
1470 static int remove_obsolete_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1478 opkg_message(conf, OPKG_ERROR, "%s: no dest for package %s\n", __FUNCTION__, pkg->name);
1481 sprintf_alloc(&globpattern, "%s/%s.*", pkg->dest->info_dir, pkg->name);
1482 err = glob(globpattern, 0, NULL, &globbuf);
1487 /* XXXX this should perhaps only remove the ones that are not overwritten in new package. Jamey 11/11/2003 */
1488 for (i = 0; i < globbuf.gl_pathc; i++) {
1489 opkg_message(conf, OPKG_DEBUG, "Removing control file %s from old_pkg %s\n",
1490 globbuf.gl_pathv[i], old_pkg->name);
1491 if (!conf->noaction)
1492 unlink(globbuf.gl_pathv[i]);
1499 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1505 remove_obsolete_maintainer_scripts(conf, pkg, old_pkg);
1506 sprintf_alloc(&prefix, "%s.", pkg->name);
1507 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1508 pkg->dest->info_dir,
1514 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1516 /* DPKG_INCOMPATIBILITY:
1517 This is a fairly sophisticated dpkg operation. Shall we
1520 /* Any packages all of whose files have been overwritten during the
1521 installation, and which aren't required for dependencies, are
1522 considered to have been removed. For each such package
1523 1. disappearer's-postrm disappear overwriter overwriter-version
1524 2. The package's maintainer scripts are removed
1525 3. It is noted in the status database as being in a sane state,
1526 namely not installed (any conffiles it may have are ignored,
1527 rather than being removed by dpkg). Note that disappearing
1528 packages do not have their prerm called, because dpkg doesn't
1529 know in advance that the package is going to vanish.
1534 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1538 /* opkg takes a slightly different approach to data file backups
1539 than dpkg. Rather than removing backups at this point, we
1540 actually do the data file installation now. See comments in
1541 check_data_file_clashes() for more details. */
1543 opkg_message(conf, OPKG_INFO,
1544 " extracting data files to %s\n", pkg->dest->root_dir);
1545 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1550 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1551 so we can't save ourself from removing important packages
1552 At this point we (should) have extracted the .control file, so it
1553 would be a good idea to reload the data in it, and set the Essential
1554 state in *pkg. From now on the Essential is back in status file and
1555 we can protect again.
1556 We should operate this way:
1557 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1558 check for "Essential" in it
1559 set the value in pkg->essential.
1560 This new routine could be useful also for every other flag
1562 set_flags_from_control(conf, pkg) ;
1564 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1565 err = pkg_write_filelist(conf, pkg);
1569 /* XXX: FEATURE: opkg should identify any files which existed
1570 before installation and which were overwritten, (see
1571 check_data_file_clashes()). What it must do is remove any such
1572 files from the filelist of the old package which provided the
1573 file. Otherwise, if the old package were removed at some point
1574 it would break the new package. Removing the new package will
1575 also break the old one, but this cannot be helped since the old
1576 package's file has already been deleted. This is the importance
1577 of check_data_file_clashes(), and only allowing opkg to install
1578 a clashing package with a user force. */
1583 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1585 conffile_list_elt_t *iter;
1592 if (conf->noaction) return 0;
1594 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1595 char *root_filename;
1596 cf = (conffile_t *)iter->data;
1597 root_filename = root_filename_alloc(conf, cf->name);
1599 /* Might need to initialize the md5sum for each conffile */
1600 if (cf->value == NULL) {
1601 cf->value = file_md5sum_alloc(root_filename);
1604 if (!file_exists(root_filename)) {
1605 free(root_filename);
1609 cf_backup = backup_filename_alloc(root_filename);
1612 if (file_exists(cf_backup)) {
1613 /* Let's compute md5 to test if files are changed */
1614 md5sum = file_md5sum_alloc(cf_backup);
1615 if (strcmp( cf->value,md5sum) != 0 ) {
1616 if (conf->force_maintainer) {
1617 opkg_message(conf, OPKG_NOTICE, "Conffile %s using maintainer's setting.\n", cf_backup);
1618 } else if (conf->force_defaults
1619 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1620 rename(cf_backup, root_filename);
1628 free(root_filename);
1634 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1637 const char *short_file_name;
1639 short_file_name = strrchr(file_name, '/');
1640 if (short_file_name) {
1643 short_file_name = file_name;
1647 response = get_user_response(" Configuration file '%s'\n"
1648 " ==> File on system created by you or by a script.\n"
1649 " ==> File also in package provided by package maintainer.\n"
1650 " What would you like to do about it ? Your options are:\n"
1651 " Y or I : install the package maintainer's version\n"
1652 " N or O : keep your currently-installed version\n"
1653 " D : show the differences between the versions (if diff is installed)\n"
1654 " The default action is to keep your current version.\n"
1655 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1656 if (strcmp(response, "y") == 0
1657 || strcmp(response, "i") == 0
1658 || strcmp(response, "yes") == 0) {
1663 if (strcmp(response, "d") == 0) {
1667 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1668 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1671 printf(" [Press ENTER to continue]\n");
1672 response = file_read_line_alloc(stdin);
1682 /* XXX: CLEANUP: I'd like to move all of the code for
1683 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1684 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1685 pkg_deinit for example). */
1686 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1689 struct dirent *dirent;
1692 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1694 opkg_message(conf, OPKG_DEBUG,
1695 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1696 __FUNCTION__, pkg->tmp_unpack_dir);
1700 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1701 tmp_dir = opendir(pkg->tmp_unpack_dir);
1704 dirent = readdir(tmp_dir);
1705 if (dirent == NULL) {
1708 sprintf_alloc(&tmp_file, "%s/%s",
1709 pkg->tmp_unpack_dir, dirent->d_name);
1710 if (! file_is_dir(tmp_file)) {
1716 rmdir(pkg->tmp_unpack_dir);
1717 free(pkg->tmp_unpack_dir);
1718 pkg->tmp_unpack_dir = NULL;
1722 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1723 pkg->name, pkg->local_filename, conf->tmp_dir);
1724 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1725 unlink(pkg->local_filename);
1726 free(pkg->local_filename);
1727 pkg->local_filename = NULL;
1733 static char *backup_filename_alloc(const char *file_name)
1737 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1742 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1747 backup = backup_filename_alloc(file_name);
1748 err = file_copy(file_name, backup);
1750 opkg_message(conf, OPKG_ERROR,
1751 "%s: Failed to copy %s to %s\n",
1752 __FUNCTION__, file_name, backup);
1760 static int backup_exists_for(const char *file_name)
1765 backup = backup_filename_alloc(file_name);
1767 ret = file_exists(backup);
1774 static int backup_remove(const char *file_name)
1778 backup = backup_filename_alloc(file_name);