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;
437 for (iter = str_list_first(new_list); iter; iter = str_list_next(new_list, iter)) {
438 char *new_file = (char *)iter->data;
439 pkg_t *owner = file_hash_get_file_owner(conf, new_file);
441 opkg_message(conf, OPKG_ERROR, "Null new_file for new_pkg=%s\n", new_pkg->name);
442 if (!owner || (owner == old_pkg))
443 file_hash_set_file_owner(conf, new_file, new_pkg);
446 str_list_t *old_list = pkg_get_installed_files(old_pkg);
447 for (iter = str_list_first(old_list); iter; iter = str_list_next(old_list, iter)) {
448 char *old_file = (char *)iter->data;
449 pkg_t *owner = file_hash_get_file_owner(conf, old_file);
450 if (owner == old_pkg) {
452 hash_table_insert(&conf->obs_file_hash, old_file, old_pkg);
455 pkg_free_installed_files(old_pkg);
457 pkg_free_installed_files(new_pkg);
461 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg)
463 /* XXX: FEATURE: Anything else needed here? Maybe a check on free space? */
465 /* sma 6.20.02: yup; here's the first bit */
467 * XXX: BUG easy for cworth
468 * 1) please point the call below to the correct current root destination
469 * 2) we need to resolve how to check the required space for a pending pkg,
470 * my diddling with the .opk file size below isn't going to cut it.
471 * 3) return a proper error code instead of 1
473 int comp_size, blocks_available;
475 if (!conf->force_space && pkg->installed_size != NULL) {
476 blocks_available = get_available_blocks(conf->default_dest->root_dir);
478 comp_size = strtoul(pkg->installed_size, NULL, 0);
479 /* round up a blocks count without doing fancy-but-slow casting jazz */
480 comp_size = (int)((comp_size + 1023) / 1024);
482 if (comp_size >= blocks_available) {
483 opkg_message(conf, OPKG_ERROR,
484 "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
485 blocks_available, conf->default_dest->root_dir, pkg->name, comp_size);
492 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg)
495 char *conffiles_file_name;
497 FILE *conffiles_file;
499 sprintf_alloc(&pkg->tmp_unpack_dir, "%s/%s-XXXXXX", conf->tmp_dir, pkg->name);
501 pkg->tmp_unpack_dir = mkdtemp(pkg->tmp_unpack_dir);
502 if (pkg->tmp_unpack_dir == NULL) {
503 opkg_message(conf, OPKG_ERROR,
504 "%s: Failed to create temporary directory '%s': %s\n",
505 __FUNCTION__, pkg->tmp_unpack_dir, strerror(errno));
509 err = pkg_extract_control_files_to_dir(pkg, pkg->tmp_unpack_dir);
514 /* XXX: CLEANUP: There might be a cleaner place to read in the
515 conffiles. Seems like I should be able to get everything to go
516 through pkg_init_from_file. If so, maybe it would make sense to
517 move all of unpack_pkg_control_files to that function. */
519 /* Don't need to re-read conffiles if we already have it */
520 if (!nv_pair_list_empty(&pkg->conffiles)) {
524 sprintf_alloc(&conffiles_file_name, "%s/conffiles", pkg->tmp_unpack_dir);
525 if (! file_exists(conffiles_file_name)) {
526 free(conffiles_file_name);
530 conffiles_file = fopen(conffiles_file_name, "r");
531 if (conffiles_file == NULL) {
532 fprintf(stderr, "%s: failed to open %s: %s\n",
533 __FUNCTION__, conffiles_file_name, strerror(errno));
534 free(conffiles_file_name);
537 free(conffiles_file_name);
541 char *cf_name_in_dest;
543 cf_name = file_read_line_alloc(conffiles_file);
544 if (cf_name == NULL) {
548 if (cf_name[0] == '\0') {
552 /* Prepend dest->root_dir to conffile name.
553 Take pains to avoid multiple slashes. */
554 root_dir = pkg->dest->root_dir;
555 if (conf->offline_root)
556 /* skip the offline_root prefix */
557 root_dir = pkg->dest->root_dir + strlen(conf->offline_root);
558 sprintf_alloc(&cf_name_in_dest, "%s%s", root_dir,
559 cf_name[0] == '/' ? (cf_name + 1) : cf_name);
561 /* Can't get an md5sum now, (file isn't extracted yet).
562 We'll wait until resolve_conffiles */
563 conffile_list_append(&pkg->conffiles, cf_name_in_dest, NULL);
566 free(cf_name_in_dest);
569 fclose(conffiles_file);
574 static int pkg_remove_orphan_dependent(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
582 fprintf(stderr, "pkg shall not be NULL here. please send to the bugzilla!! [%s %d]\n", __FILE__, __LINE__);
585 if (old_pkg->depends_count == 0)
587 for (i=0;i<old_pkg->depends_count;i++) {
589 for (j=0;j<pkg->depends_count;j++) {
590 if (!strcmp(old_pkg->depends_str[i], pkg->depends_str[j])) {
597 d_str = old_pkg->depends_str[i];
598 buf = calloc (1, strlen (d_str) + 1);
600 while (d_str[j] != '\0' && d_str[j] != ' ') {
605 buf = realloc (buf, strlen (buf) + 1);
606 p = pkg_hash_fetch_installed_by_name (&conf->pkg_hash, buf);
608 fprintf(stderr, "The pkg %s had been removed!!\n", buf);
612 if (p->auto_installed) {
614 abstract_pkg_t **dependents;
615 deps = pkg_has_installed_dependents(conf, NULL, p, &dependents);
617 opkg_message (conf, OPKG_NOTICE,"%s was autoinstalled but is now orphaned, remove it.\n", buf);
618 opkg_remove_pkg(conf, p, 0);
620 opkg_message (conf, OPKG_INFO, "%s was autoinstalled and is still required by %d installed packages\n", buf, deps);
627 /* returns number of installed replacees */
628 int pkg_get_installed_replacees(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
630 abstract_pkg_t **replaces = pkg->replaces;
631 int replaces_count = pkg->replaces_count;
633 for (i = 0; i < replaces_count; i++) {
634 abstract_pkg_t *ab_pkg = replaces[i];
635 pkg_vec_t *pkg_vec = ab_pkg->pkgs;
637 for (j = 0; j < pkg_vec->len; j++) {
638 pkg_t *replacee = pkg_vec->pkgs[j];
639 if (!pkg_conflicts(pkg, replacee))
641 if (replacee->state_status == SS_INSTALLED) {
642 pkg_vec_insert(installed_replacees, replacee);
647 return installed_replacees->len;
650 int pkg_remove_installed_replacees(opkg_conf_t *conf, pkg_vec_t *replacees)
653 int replaces_count = replacees->len;
654 for (i = 0; i < replaces_count; i++) {
655 pkg_t *replacee = replacees->pkgs[i];
657 replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
658 err = opkg_remove_pkg(conf, replacee,0);
665 /* to unwind the removal: make sure they are installed */
666 int pkg_remove_installed_replacees_unwind(opkg_conf_t *conf, pkg_vec_t *replacees)
669 int replaces_count = replacees->len;
670 for (i = 0; i < replaces_count; i++) {
671 pkg_t *replacee = replacees->pkgs[i];
672 if (replacee->state_status != SS_INSTALLED) {
673 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
674 err = opkg_install_pkg(conf, replacee,0);
682 int caught_sigint = 0;
683 static void opkg_install_pkg_sigint_handler(int sig)
688 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
689 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
692 char message_out[15];
693 char *old_version = pkg_version_str_alloc(old_pkg);
694 char *new_version = pkg_version_str_alloc(pkg);
695 int cmp = pkg_compare_versions(old_pkg, pkg);
698 memset(message_out,'\x0',15);
699 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
700 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
701 cmp = -1 ; /* then we force opkg to downgrade */
702 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
703 /* reinstall, and some check could fail asking the "force-reinstall" option */
707 opkg_message(conf, OPKG_NOTICE,
708 "Not downgrading package %s on %s from %s to %s.\n",
709 old_pkg->name, old_pkg->dest->name, old_version, new_version);
711 } else if (cmp < 0) {
712 opkg_message(conf, OPKG_NOTICE,
713 "%s%s on %s from %s to %s...\n",
714 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
715 pkg->dest = old_pkg->dest;
717 } else /* cmp == 0 */ {
718 if (conf->force_reinstall) {
719 opkg_message(conf, OPKG_NOTICE,
720 "Reinstalling %s (%s) on %s...\n",
721 pkg->name, new_version, old_pkg->dest->name);
722 pkg->dest = old_pkg->dest;
725 opkg_message(conf, OPKG_NOTICE,
726 "Not installing %s (%s) on %s -- already installed.\n",
727 pkg->name, new_version, old_pkg->dest->name);
735 char message_out[15] ;
736 memset(message_out,'\x0',15);
738 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
740 strncpy( message_out,"Installing ",strlen("Installing ") );
741 char *version = pkg_version_str_alloc(pkg);
743 opkg_message(conf, OPKG_NOTICE,
744 "%s%s (%s) to %s...\n", message_out,
745 pkg->name, version, pkg->dest->name);
752 * @brief Really install a pkg_t
754 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
758 pkg_t *old_pkg = NULL;
759 pkg_vec_t *replacees;
760 abstract_pkg_t *ab_pkg = NULL;
766 message = 1; /* Coming from an upgrade, and should change the output message */
769 opkg_message(conf, OPKG_ERROR,
770 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
771 return OPKG_INSTALL_ERR_INTERNAL;
774 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
776 if (!pkg_arch_supported(conf, pkg)) {
777 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
778 pkg->architecture, pkg->name);
779 return OPKG_INSTALL_ERR_INTERNAL;
781 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
782 err = satisfy_dependencies_for(conf, pkg);
783 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
785 opkg_message(conf, OPKG_NOTICE,
786 "Package %s is already installed in %s.\n",
787 pkg->name, pkg->dest->name);
791 if (pkg->dest == NULL) {
792 pkg->dest = conf->default_dest;
795 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
797 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
798 if (err) { return OPKG_INSTALL_ERR_NO_DOWNGRADE; }
800 pkg->state_want = SW_INSTALL;
802 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
806 /* Abhaya: conflicts check */
807 err = check_conflicts_for(conf, pkg);
808 if (err) { return OPKG_INSTALL_ERR_CONFLICTS; }
810 /* this setup is to remove the upgrade scenario in the end when
811 installing pkg A, A deps B & B deps on A. So both B and A are
812 installed. Then A's installation is started resulting in an
813 uncecessary upgrade */
814 if (pkg->state_status == SS_INSTALLED
815 && conf->force_reinstall == 0) return 0;
817 err = verify_pkg_installable(conf, pkg);
818 if (err) { return OPKG_INSTALL_ERR_NO_SPACE; }
820 if (pkg->local_filename == NULL) {
821 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
823 opkg_message(conf, OPKG_ERROR,
824 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
826 return OPKG_INSTALL_ERR_DOWNLOAD;
830 /* check that the repository is valid */
832 char *list_file_name, *sig_file_name, *lists_dir;
834 /* check to ensure the package has come from a repository */
837 sprintf_alloc (&lists_dir, "%s",
838 (conf->restrict_to_default_dest)
839 ? conf->default_dest->lists_dir
841 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, pkg->src->name);
842 sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, pkg->src->name);
844 if (file_exists (sig_file_name))
846 if (opkg_verify_file (conf, list_file_name, sig_file_name))
847 return OPKG_INSTALL_ERR_SIGNATURE;
851 free (list_file_name);
852 free (sig_file_name);
856 /* Check for md5 values */
859 file_md5 = file_md5sum_alloc(pkg->local_filename);
860 if (strcmp(file_md5, pkg->md5sum))
862 opkg_message(conf, OPKG_ERROR,
863 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
866 return OPKG_INSTALL_ERR_MD5;
871 if (pkg->tmp_unpack_dir == NULL) {
872 unpack_pkg_control_files(conf, pkg);
875 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
876 /* Pigi: check if it will pass from here when replacing. It seems to fail */
877 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
878 err = update_file_ownership(conf, pkg, old_pkg);
879 if (err) { return OPKG_ERR_UNKNOWN; }
881 if (conf->nodeps == 0) {
882 err = satisfy_dependencies_for(conf, pkg);
883 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
886 replacees = pkg_vec_alloc();
887 pkg_get_installed_replacees(conf, pkg, replacees);
889 sprintf_alloc (&pkgid, "%s;%s;%s;", pkg->name, pkg->version, pkg->architecture);
890 opkg_set_current_state (conf, OPKG_STATE_INSTALLING_PKG, pkgid);
893 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
895 sigset_t newset, oldset;
896 sighandler_t old_handler = NULL;
900 old_handler = signal(SIGINT, opkg_install_pkg_sigint_handler);
902 sigemptyset(&newset);
903 sigaddset(&newset, SIGINT);
904 sigprocmask(SIG_BLOCK, &newset, &oldset);
907 opkg_state_changed++;
908 pkg->state_flag |= SF_FILELIST_CHANGED;
910 pkg_remove_orphan_dependent(conf, pkg, old_pkg);
912 /* XXX: BUG: we really should treat replacement more like an upgrade
913 * Instead, we're going to remove the replacees
915 err = pkg_remove_installed_replacees(conf, replacees);
916 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
918 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
919 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
921 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
922 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
924 err = preinst_configure(conf, pkg, old_pkg);
925 if (err) goto UNWIND_PREINST_CONFIGURE;
927 err = backup_modified_conffiles(conf, pkg, old_pkg);
928 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
930 err = check_data_file_clashes(conf, pkg, old_pkg);
931 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
933 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
934 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
936 if (conf->noaction) return 0;
938 /* point of no return: no unwinding after this */
939 if (old_pkg && !conf->force_reinstall) {
940 old_pkg->state_want = SW_DEINSTALL;
942 if (old_pkg->state_flag & SF_NOPRUNE) {
943 opkg_message(conf, OPKG_INFO,
944 " not removing obsolesced files because package marked noprune\n");
946 opkg_message(conf, OPKG_INFO,
947 " removing obsolesced files\n");
948 remove_obsolesced_files(conf, pkg, old_pkg);
950 /* removing files from old package, to avoid ghost files */
951 remove_data_files_and_list(conf, old_pkg);
952 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
953 remove_maintainer_scripts_except_postrm(conf, old_pkg);
954 remove_postrm(conf, old_pkg);
960 opkg_message(conf, OPKG_INFO,
961 " installing maintainer scripts\n");
962 install_maintainer_scripts(conf, pkg, old_pkg);
964 /* the following just returns 0 */
965 remove_disappeared(conf, pkg);
967 opkg_message(conf, OPKG_INFO,
968 " installing data files\n");
969 install_data_files(conf, pkg);
971 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
972 err = check_data_file_clashes_change(conf, pkg, old_pkg);
974 opkg_message(conf, OPKG_INFO,
975 " resolving conf files\n");
976 resolve_conffiles(conf, pkg);
978 pkg->state_status = SS_UNPACKED;
979 old_state_flag = pkg->state_flag;
980 pkg->state_flag &= ~SF_PREFER;
981 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
983 if (old_pkg && !conf->force_reinstall) {
984 old_pkg->state_status = SS_NOT_INSTALLED;
987 time(&pkg->installed_time);
989 opkg_message(conf, OPKG_INFO,
990 " cleanup temp files\n");
991 cleanup_temporary_files(conf, pkg);
993 ab_pkg = pkg->parent;
995 ab_pkg->state_status = pkg->state_status;
997 opkg_message(conf, OPKG_INFO, "Done.\n");
1000 signal(SIGINT, old_handler);
1002 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1003 pkg_vec_free (replacees);
1007 UNWIND_POSTRM_UPGRADE_OLD_PKG:
1008 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1009 UNWIND_CHECK_DATA_FILE_CLASHES:
1010 check_data_file_clashes_unwind(conf, pkg, old_pkg);
1011 UNWIND_BACKUP_MODIFIED_CONFFILES:
1012 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
1013 UNWIND_PREINST_CONFIGURE:
1014 preinst_configure_unwind(conf, pkg, old_pkg);
1015 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
1016 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
1017 UNWIND_PRERM_UPGRADE_OLD_PKG:
1018 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1019 UNWIND_REMOVE_INSTALLED_REPLACEES:
1020 pkg_remove_installed_replacees_unwind(conf, replacees);
1022 opkg_message(conf, OPKG_INFO,
1023 " cleanup temp files\n");
1024 cleanup_temporary_files(conf, pkg);
1026 opkg_message(conf, OPKG_INFO,
1029 signal(SIGINT, old_handler);
1031 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1033 pkg_vec_free (replacees);
1034 return OPKG_ERR_UNKNOWN;
1036 opkg_set_current_state (conf, OPKG_STATE_NONE, NULL);
1039 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1041 /* DPKG_INCOMPATIBILITY:
1042 dpkg does some things here that we don't do yet. Do we care?
1044 1. If a version of the package is already installed, call
1045 old-prerm upgrade new-version
1046 2. If the script runs but exits with a non-zero exit status
1047 new-prerm failed-upgrade old-version
1048 Error unwind, for both the above cases:
1049 old-postinst abort-upgrade new-version
1054 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1056 /* DPKG_INCOMPATIBILITY:
1057 dpkg does some things here that we don't do yet. Do we care?
1058 (See prerm_upgrade_old_package for details)
1063 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1065 /* DPKG_INCOMPATIBILITY:
1066 dpkg does some things here that we don't do yet. Do we care?
1067 2. If a 'conflicting' package is being removed at the same time:
1068 1. If any packages depended on that conflicting package and
1069 --auto-deconfigure is specified, call, for each such package:
1070 deconfigured's-prerm deconfigure \
1071 in-favour package-being-installed version \
1072 removing conflicting-package version
1074 deconfigured's-postinst abort-deconfigure \
1075 in-favour package-being-installed-but-failed version \
1076 removing conflicting-package version
1078 The deconfigured packages are marked as requiring
1079 configuration, so that if --install is used they will be
1080 configured again if possible.
1081 2. To prepare for removal of the conflicting package, call:
1082 conflictor's-prerm remove in-favour package new-version
1084 conflictor's-postinst abort-remove in-favour package new-version
1089 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1091 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1092 do yet. Do we care? (See prerm_deconfigure_conflictors for
1097 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1103 char *old_version = pkg_version_str_alloc(old_pkg);
1104 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1106 } else if (pkg->state_status == SS_CONFIG_FILES) {
1107 char *pkg_version = pkg_version_str_alloc(pkg);
1108 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1111 preinst_args = strdup("install");
1114 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1116 opkg_message(conf, OPKG_ERROR,
1117 "Aborting installation of %s\n", pkg->name);
1126 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1128 /* DPKG_INCOMPATIBILITY:
1129 dpkg does the following error unwind, should we?
1130 pkg->postrm abort-upgrade old-version
1131 OR pkg->postrm abort-install old-version
1132 OR pkg->postrm abort-install
1137 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1140 conffile_list_elt_t *iter;
1143 if (conf->noaction) return 0;
1145 /* Backup all modified conffiles */
1147 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1151 cf_name = root_filename_alloc(conf, cf->name);
1153 /* Don't worry if the conffile is just plain gone */
1154 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1155 err = backup_make_backup(conf, cf_name);
1164 /* Backup all conffiles that were not conffiles in old_pkg */
1165 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1167 cf = (conffile_t *)iter->data;
1168 cf_name = root_filename_alloc(conf, cf->name);
1169 /* Ignore if this was a conffile in old_pkg as well */
1170 if (pkg_get_conffile(old_pkg, cf->name)) {
1174 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1175 err = backup_make_backup(conf, cf_name);
1186 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1188 conffile_list_elt_t *iter;
1191 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1192 backup_remove(((nv_pair_t *)iter->data)->name);
1196 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1197 backup_remove(((nv_pair_t *)iter->data)->name);
1204 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1206 /* DPKG_INCOMPATIBILITY:
1207 opkg takes a slightly different approach than dpkg at this
1208 point. dpkg installs each file in the new package while
1209 creating a backup for any file that is replaced, (so that it
1210 can unwind if necessary). To avoid complexity and redundant
1211 storage, opkg doesn't do any installation until later, (at the
1212 point at which dpkg removes the backups.
1214 But, we do have to check for data file clashes, since after
1215 installing a package with a file clash, removing either of the
1216 packages involved in the clash has the potential to break the
1219 str_list_t *files_list;
1220 str_list_elt_t *iter;
1224 files_list = pkg_get_installed_files(pkg);
1225 for (iter = str_list_first(files_list); iter; iter = str_list_next(files_list, iter)) {
1226 char *root_filename;
1227 char *filename = (char *) iter->data;
1228 root_filename = root_filename_alloc(conf, filename);
1229 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1232 /* Pre-existing conffiles are OK */
1233 /* @@@@ should have way to check that it is a conffile -Jamey */
1234 if (backup_exists_for(root_filename)) {
1238 /* Pre-existing files are OK if force-overwrite was asserted. */
1239 if (conf->force_overwrite) {
1240 /* but we need to change who owns this file */
1241 file_hash_set_file_owner(conf, filename, pkg);
1245 owner = file_hash_get_file_owner(conf, filename);
1247 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1248 if (owner && old_pkg) {
1249 if (strcmp(owner->name, old_pkg->name) == 0) {
1254 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1256 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1257 if (pkg_replaces(pkg, owner)) {
1260 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1261 then it's ok to overwrite. */
1262 if (strcmp(owner->name,pkg->name)==0){
1263 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1268 /* Pre-existing files are OK if they are obsolete */
1269 obs = hash_table_get(&conf->obs_file_hash, filename);
1271 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1275 /* We have found a clash. */
1276 opkg_message(conf, OPKG_ERROR,
1277 "Package %s wants to install file %s\n"
1278 "\tBut that file is already provided by package ",
1279 pkg->name, filename);
1281 opkg_message(conf, OPKG_ERROR,
1282 "%s\n", owner->name);
1284 opkg_message(conf, OPKG_ERROR,
1285 "<no package>\nPlease move this file out of the way and try again.\n");
1289 free(root_filename);
1291 pkg_free_installed_files(pkg);
1296 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1298 /* Basically that's the worst hack I could do to be able to change ownership of
1299 file list, but, being that we have no way to unwind the mods, due to structure
1300 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1301 What we do here is change the ownership of file in hash if a replace ( or similar events
1303 Only the action that are needed to change name should be considered.
1304 @@@ To change after 1.0 release.
1306 str_list_t *files_list;
1307 str_list_elt_t *iter;
1311 files_list = pkg_get_installed_files(pkg);
1312 for (iter = str_list_first(files_list); iter; iter = str_list_next(files_list, iter)) {
1313 char *root_filename;
1314 char *filename = (char *) iter->data;
1315 root_filename = root_filename_alloc(conf, filename);
1316 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1319 if (conf->force_overwrite) {
1320 /* but we need to change who owns this file */
1321 file_hash_set_file_owner(conf, filename, pkg);
1325 owner = file_hash_get_file_owner(conf, filename);
1327 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1329 if (pkg_replaces(pkg, owner)) {
1330 /* It's now time to change the owner of that file.
1331 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1332 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1333 file_hash_set_file_owner(conf, filename, pkg);
1339 free(root_filename);
1341 pkg_free_installed_files(pkg);
1346 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1348 /* Nothing to do since check_data_file_clashes doesn't change state */
1352 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1354 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1355 1. If the package is being upgraded, call
1356 old-postrm upgrade new-version
1357 2. If this fails, attempt:
1358 new-postrm failed-upgrade old-version
1359 Error unwind, for both cases:
1360 old-preinst abort-upgrade new-version */
1364 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1366 /* DPKG_INCOMPATIBILITY:
1367 dpkg does some things here that we don't do yet. Do we care?
1368 (See postrm_upgrade_old_pkg for details)
1373 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1376 str_list_t *old_files;
1378 str_list_t *new_files;
1380 str_list_elt_t **niter;
1382 if (old_pkg == NULL) {
1386 old_files = pkg_get_installed_files(old_pkg);
1387 new_files = pkg_get_installed_files(pkg);
1389 for (of = str_list_first(old_files); of; of = str_list_next(old_files, of)) {
1392 old = (char *)of->data;
1393 for (nf = str_list_first(new_files); nf; nf = str_list_next(new_files, nf)) {
1395 if (strcmp(old, new) == 0) {
1397 nf=str_list_next(new_files, nf);
1398 str_list_remove(new_files, niter);
1403 if (file_is_dir(old)) {
1406 owner = file_hash_get_file_owner(conf, old);
1407 if (owner != old_pkg) {
1408 /* in case obsolete file no longer belongs to old_pkg */
1412 /* old file is obsolete */
1413 opkg_message(conf, OPKG_INFO,
1414 " removing obsolete file %s\n", old);
1415 if (!conf->noaction) {
1418 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1427 pkg_free_installed_files(old_pkg);
1428 pkg_free_installed_files(pkg);
1433 static int remove_obsolete_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1441 opkg_message(conf, OPKG_ERROR, "%s: no dest for package %s\n", __FUNCTION__, pkg->name);
1444 sprintf_alloc(&globpattern, "%s/%s.*", pkg->dest->info_dir, pkg->name);
1445 err = glob(globpattern, 0, NULL, &globbuf);
1450 /* XXXX this should perhaps only remove the ones that are not overwritten in new package. Jamey 11/11/2003 */
1451 for (i = 0; i < globbuf.gl_pathc; i++) {
1452 opkg_message(conf, OPKG_DEBUG, "Removing control file %s from old_pkg %s\n",
1453 globbuf.gl_pathv[i], old_pkg->name);
1454 if (!conf->noaction)
1455 unlink(globbuf.gl_pathv[i]);
1462 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1468 remove_obsolete_maintainer_scripts(conf, pkg, old_pkg);
1469 sprintf_alloc(&prefix, "%s.", pkg->name);
1470 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1471 pkg->dest->info_dir,
1477 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1479 /* DPKG_INCOMPATIBILITY:
1480 This is a fairly sophisticated dpkg operation. Shall we
1483 /* Any packages all of whose files have been overwritten during the
1484 installation, and which aren't required for dependencies, are
1485 considered to have been removed. For each such package
1486 1. disappearer's-postrm disappear overwriter overwriter-version
1487 2. The package's maintainer scripts are removed
1488 3. It is noted in the status database as being in a sane state,
1489 namely not installed (any conffiles it may have are ignored,
1490 rather than being removed by dpkg). Note that disappearing
1491 packages do not have their prerm called, because dpkg doesn't
1492 know in advance that the package is going to vanish.
1497 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1501 /* opkg takes a slightly different approach to data file backups
1502 than dpkg. Rather than removing backups at this point, we
1503 actually do the data file installation now. See comments in
1504 check_data_file_clashes() for more details. */
1506 opkg_message(conf, OPKG_INFO,
1507 " extracting data files to %s\n", pkg->dest->root_dir);
1508 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1513 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1514 so we can't save ourself from removing important packages
1515 At this point we (should) have extracted the .control file, so it
1516 would be a good idea to reload the data in it, and set the Essential
1517 state in *pkg. From now on the Essential is back in status file and
1518 we can protect again.
1519 We should operate this way:
1520 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1521 check for "Essential" in it
1522 set the value in pkg->essential.
1523 This new routine could be useful also for every other flag
1525 set_flags_from_control(conf, pkg) ;
1527 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1528 err = pkg_write_filelist(conf, pkg);
1532 /* XXX: FEATURE: opkg should identify any files which existed
1533 before installation and which were overwritten, (see
1534 check_data_file_clashes()). What it must do is remove any such
1535 files from the filelist of the old package which provided the
1536 file. Otherwise, if the old package were removed at some point
1537 it would break the new package. Removing the new package will
1538 also break the old one, but this cannot be helped since the old
1539 package's file has already been deleted. This is the importance
1540 of check_data_file_clashes(), and only allowing opkg to install
1541 a clashing package with a user force. */
1546 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1548 conffile_list_elt_t *iter;
1555 if (conf->noaction) return 0;
1557 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1558 char *root_filename;
1559 cf = (conffile_t *)iter->data;
1560 root_filename = root_filename_alloc(conf, cf->name);
1562 /* Might need to initialize the md5sum for each conffile */
1563 if (cf->value == NULL) {
1564 cf->value = file_md5sum_alloc(root_filename);
1567 if (!file_exists(root_filename)) {
1568 free(root_filename);
1572 cf_backup = backup_filename_alloc(root_filename);
1575 if (file_exists(cf_backup)) {
1576 /* Let's compute md5 to test if files are changed */
1577 md5sum = file_md5sum_alloc(cf_backup);
1578 if (strcmp( cf->value,md5sum) != 0 ) {
1579 if (conf->force_defaults
1580 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1581 rename(cf_backup, root_filename);
1589 free(root_filename);
1595 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1598 const char *short_file_name;
1600 short_file_name = strrchr(file_name, '/');
1601 if (short_file_name) {
1604 short_file_name = file_name;
1608 response = get_user_response(" Configuration file '%s'\n"
1609 " ==> File on system created by you or by a script.\n"
1610 " ==> File also in package provided by package maintainer.\n"
1611 " What would you like to do about it ? Your options are:\n"
1612 " Y or I : install the package maintainer's version\n"
1613 " N or O : keep your currently-installed version\n"
1614 " D : show the differences between the versions (if diff is installed)\n"
1615 " The default action is to keep your current version.\n"
1616 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1617 if (strcmp(response, "y") == 0
1618 || strcmp(response, "i") == 0
1619 || strcmp(response, "yes") == 0) {
1624 if (strcmp(response, "d") == 0) {
1628 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1629 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1632 printf(" [Press ENTER to continue]\n");
1633 response = file_read_line_alloc(stdin);
1643 /* XXX: CLEANUP: I'd like to move all of the code for
1644 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1645 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1646 pkg_deinit for example). */
1647 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1650 struct dirent *dirent;
1653 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1655 opkg_message(conf, OPKG_DEBUG,
1656 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1657 __FUNCTION__, pkg->tmp_unpack_dir);
1661 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1662 tmp_dir = opendir(pkg->tmp_unpack_dir);
1665 dirent = readdir(tmp_dir);
1666 if (dirent == NULL) {
1669 sprintf_alloc(&tmp_file, "%s/%s",
1670 pkg->tmp_unpack_dir, dirent->d_name);
1671 if (! file_is_dir(tmp_file)) {
1677 rmdir(pkg->tmp_unpack_dir);
1678 free(pkg->tmp_unpack_dir);
1679 pkg->tmp_unpack_dir = NULL;
1683 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1684 pkg->name, pkg->local_filename, conf->tmp_dir);
1685 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1686 unlink(pkg->local_filename);
1687 free(pkg->local_filename);
1688 pkg->local_filename = NULL;
1694 static char *backup_filename_alloc(const char *file_name)
1698 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1703 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1708 backup = backup_filename_alloc(file_name);
1709 err = file_copy(file_name, backup);
1711 opkg_message(conf, OPKG_ERROR,
1712 "%s: Failed to copy %s to %s\n",
1713 __FUNCTION__, file_name, backup);
1721 static int backup_exists_for(const char *file_name)
1726 backup = backup_filename_alloc(file_name);
1728 ret = file_exists(backup);
1735 static int backup_remove(const char *file_name)
1739 backup = backup_filename_alloc(file_name);