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"
40 #include "opkg_defines.h"
42 #include "sprintf_alloc.h"
43 #include "file_util.h"
47 #include "libbb/libbb.h"
49 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg);
50 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg);
52 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
53 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
54 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors);
55 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors);
56 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
57 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
58 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
59 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
60 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
61 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
62 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
63 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
64 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
66 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
67 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
68 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg);
69 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg);
70 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg);
72 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg);
74 static int user_prefers_old_conffile(const char *file, const char *backup);
76 static char *backup_filename_alloc(const char *file_name);
77 static int backup_make_backup(opkg_conf_t *conf, const char *file_name);
78 static int backup_exists_for(const char *file_name);
79 static int backup_remove(const char *file_name);
82 int opkg_install_from_file(opkg_conf_t *conf, const char *filename)
86 char *old_version, *new_version;
90 err = pkg_init_from_file(pkg, filename);
95 if (!pkg->architecture) {
96 opkg_message(conf, OPKG_ERROR, "Package %s has no Architecture defined.\n", pkg->name);
100 /* XXX: CLEANUP: hash_insert_pkg has a nasty side effect of possibly
101 freeing the pkg that we pass in. It might be nice to clean this up
103 pkg = hash_insert_pkg(&conf->pkg_hash, pkg, 1,conf);
104 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
107 old_version = pkg_version_str_alloc(old);
108 new_version = pkg_version_str_alloc(pkg);
110 cmp = pkg_compare_versions(old, pkg);
111 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
112 cmp = -1 ; /* then we force opkg to downgrade */
113 /* We need to use a value < 0 because in the 0 case we are asking to */
114 /* reinstall, and some check could fail asking the "force-reinstall" option */
117 opkg_message(conf, OPKG_NOTICE,
118 "Not downgrading package %s on %s from %s to %s.\n",
119 old->name, old->dest->name, old_version, new_version);
120 pkg->state_want = SW_DEINSTALL;
121 pkg->state_flag |= SF_OBSOLETE;
131 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
132 return opkg_install_pkg(conf, pkg,0);
135 opkg_error_t opkg_install_by_name(opkg_conf_t *conf, const char *pkg_name)
139 char *old_version, *new_version;
141 opkg_message(conf, OPKG_DEBUG2, " Getting old from pkg_hash_fetch \n" );
142 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
144 opkg_message(conf, OPKG_DEBUG2, " Old versions from pkg_hash_fetch %s \n", old->version );
146 opkg_message(conf, OPKG_DEBUG2, " Getting new from pkg_hash_fetch \n" );
147 new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name, &err);
149 opkg_message(conf, OPKG_DEBUG2, " New versions from pkg_hash_fetch %s \n", new->version );
151 /* Pigi Basically here is broken the version stuff.
152 What's happening is that nothing provide the version to differents
153 functions, so the returned struct is always the latest.
154 That's why the install by name don't work.
156 opkg_message(conf, OPKG_DEBUG2, " Versions from pkg_hash_fetch in %s ", __FUNCTION__ );
159 opkg_message(conf, OPKG_DEBUG2, " old %s ", old->version );
161 opkg_message(conf, OPKG_DEBUG2, " new %s ", new->version );
162 opkg_message(conf, OPKG_DEBUG2, " \n");
168 return OPKG_PKG_HAS_NO_CANDIDATE;
171 new->state_flag |= SF_USER;
173 old_version = pkg_version_str_alloc(old);
174 new_version = pkg_version_str_alloc(new);
176 cmp = pkg_compare_versions(old, new);
177 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
178 opkg_message(conf, OPKG_DEBUG, " Forcing downgrade \n");
179 cmp = -1 ; /* then we force opkg to downgrade */
180 /* We need to use a value < 0 because in the 0 case we are asking to */
181 /* reinstall, and some check could fail asking the "force-reinstall" option */
183 opkg_message(conf, OPKG_DEBUG,
184 "Comparing visible versions of pkg %s:"
185 "\n\t%s is installed "
186 "\n\t%s is available "
187 "\n\t%d was comparison result\n",
188 pkg_name, old_version, new_version, cmp);
189 if (cmp == 0 && !conf->force_reinstall) {
190 opkg_message(conf, OPKG_NOTICE,
191 "Package %s (%s) installed in %s is up to date.\n",
192 old->name, old_version, old->dest->name);
196 } else if (cmp > 0) {
197 opkg_message(conf, OPKG_NOTICE,
198 "Not downgrading package %s on %s from %s to %s.\n",
199 old->name, old->dest->name, old_version, new_version);
203 } else if (cmp < 0) {
204 new->dest = old->dest;
205 old->state_want = SW_DEINSTALL; /* Here probably the problem for bug 1277 */
211 /* XXX: CLEANUP: The error code of opkg_install_by_name is really
212 supposed to be an opkg_error_t, but opkg_install_pkg could
213 return any kind of integer, (might be errno from a syscall,
214 etc.). This is a real mess and will need to be cleaned up if
215 anyone ever wants to make a nice libopkg. */
217 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
218 return opkg_install_pkg(conf, new,0);
221 opkg_error_t opkg_install_multi_by_name(opkg_conf_t *conf, const char *pkg_name)
223 abstract_pkg_vec_t *providers = pkg_hash_fetch_all_installation_candidates (&conf->pkg_hash, pkg_name);
226 abstract_pkg_t *ppkg ;
228 if (providers == NULL)
229 return OPKG_PKG_HAS_NO_CANDIDATE;
231 for (i = 0; i < providers->len; i++) {
232 ppkg = abstract_pkg_vec_get(providers, i);
233 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_by_name %d \n",__FUNCTION__, i);
234 err = opkg_install_by_name(conf, ppkg->name);
237 /* XXX Maybe ppkg should be freed ? */
243 * Walk dependence graph starting with pkg, collect packages to be
244 * installed into pkgs_needed, in dependence order.
246 int pkg_mark_dependencies_for_installation(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *pkgs_needed)
249 pkg_vec_t *depends = pkg_vec_alloc();
250 char **unresolved = NULL;
253 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
258 opkg_message(conf, OPKG_ERROR,
259 "%s: Cannot satisfy the following dependencies for %s:\n\t",
260 conf->force_depends ? "Warning" : "ERROR", pkg->name);
261 while (*unresolved) {
262 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
265 opkg_message(conf, OPKG_ERROR, "\n");
266 if (! conf->force_depends) {
267 opkg_message(conf, OPKG_INFO,
268 "This could mean that your package list is out of date or that the packages\n"
269 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
270 "of this problem try again with the '-force-depends' option.\n");
271 pkg_vec_free(depends);
272 return OPKG_PKG_DEPS_UNSATISFIED;
277 pkg_vec_free(depends);
281 for (i = 0; i < depends->len; i++) {
282 pkg_t *dep = depends->pkgs[i];
283 /* The package was uninstalled when we started, but another
284 dep earlier in this loop may have depended on it and pulled
285 it in, so check first. */
286 if ((dep->state_status != SS_INSTALLED)
287 && (dep->state_status != SS_UNPACKED)
288 && (dep->state_want != SW_INSTALL)) {
290 /* Mark packages as to-be-installed */
291 dep->state_want = SW_INSTALL;
293 /* Dependencies should be installed the same place as pkg */
294 if (dep->dest == NULL) {
295 dep->dest = pkg->dest;
298 err = pkg_mark_dependencies_for_installation(conf, dep, pkgs_needed);
300 pkg_vec_free(depends);
306 pkg_vec_insert(pkgs_needed, pkg);
308 pkg_vec_free(depends);
313 int satisfy_dependencies_for(opkg_conf_t *conf, pkg_t *pkg)
316 pkg_vec_t *depends = pkg_vec_alloc();
318 char **unresolved = NULL;
321 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
326 opkg_message(conf, OPKG_ERROR,
327 "%s: Cannot satisfy the following dependencies for %s:\n\t",
328 conf->force_depends ? "Warning" : "ERROR", pkg->name);
329 while (*unresolved) {
330 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
333 opkg_message(conf, OPKG_ERROR, "\n");
334 if (! conf->force_depends) {
335 opkg_message(conf, OPKG_INFO,
336 "This could mean that your package list is out of date or that the packages\n"
337 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
338 "of this problem try again with the '-force-depends' option.\n");
339 pkg_vec_free(depends);
340 return OPKG_PKG_DEPS_UNSATISFIED;
345 pkg_vec_free(depends);
349 /* Mark packages as to-be-installed */
350 for (i=0; i < depends->len; i++) {
351 /* Dependencies should be installed the same place as pkg */
352 if (depends->pkgs[i]->dest == NULL) {
353 depends->pkgs[i]->dest = pkg->dest;
355 depends->pkgs[i]->state_want = SW_INSTALL;
358 for (i = 0; i < depends->len; i++) {
359 dep = depends->pkgs[i];
360 /* The package was uninstalled when we started, but another
361 dep earlier in this loop may have depended on it and pulled
362 it in, so check first. */
363 if ((dep->state_status != SS_INSTALLED)
364 && (dep->state_status != SS_UNPACKED)) {
365 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
366 err = opkg_install_pkg(conf, dep,0);
367 /* mark this package as having been automatically installed to
368 * satisfy a dependancy */
369 dep->auto_installed = 1;
371 pkg_vec_free(depends);
377 pkg_vec_free(depends);
383 /* check all packages have their dependences satisfied, e.g., in case an upgraded package split */
384 int opkg_satisfy_all_dependences(opkg_conf_t *conf)
386 if (conf->nodeps == 0) {
388 pkg_vec_t *installed = pkg_vec_alloc();
389 pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
390 for (i = 0; i < installed->len; i++) {
391 pkg_t *pkg = installed->pkgs[i];
392 satisfy_dependencies_for(conf, pkg);
394 pkg_vec_free(installed);
400 static int check_conflicts_for(opkg_conf_t *conf, pkg_t *pkg)
403 pkg_vec_t *conflicts = NULL;
406 if (conf->force_depends) {
414 if (!conf->force_depends)
415 conflicts = (pkg_vec_t *)pkg_hash_fetch_conflicts(&conf->pkg_hash, pkg);
418 opkg_message(conf, level,
419 "%s: The following packages conflict with %s:\n\t", prefix, pkg->name);
421 while (i < conflicts->len)
422 opkg_message(conf, level, " %s", conflicts->pkgs[i++]->name);
423 opkg_message(conf, level, "\n");
424 pkg_vec_free(conflicts);
425 return OPKG_PKG_DEPS_UNSATISFIED;
430 static int update_file_ownership(opkg_conf_t *conf, pkg_t *new_pkg, pkg_t *old_pkg)
432 str_list_t *new_list = pkg_get_installed_files(new_pkg);
433 str_list_elt_t *iter, *niter;
435 for (iter = str_list_first(new_list), niter = str_list_next(new_list, iter);
437 iter = niter, niter = str_list_next(new_list, niter)) {
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), niter = str_list_next(old_list, iter);
449 iter = niter, niter = str_list_next(old_list, niter)) {
450 char *old_file = (char *)iter->data;
451 pkg_t *owner = file_hash_get_file_owner(conf, old_file);
452 if (owner == old_pkg) {
454 hash_table_insert(&conf->obs_file_hash, old_file, old_pkg);
457 pkg_free_installed_files(old_pkg);
459 pkg_free_installed_files(new_pkg);
463 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg)
465 /* XXX: FEATURE: Anything else needed here? Maybe a check on free space? */
467 /* sma 6.20.02: yup; here's the first bit */
469 * XXX: BUG easy for cworth
470 * 1) please point the call below to the correct current root destination
471 * 2) we need to resolve how to check the required space for a pending pkg,
472 * my diddling with the .opk file size below isn't going to cut it.
473 * 3) return a proper error code instead of 1
475 int comp_size, blocks_available;
478 if (!conf->force_space && pkg->installed_size != NULL) {
479 root_dir = pkg->dest ? pkg->dest->root_dir : conf->default_dest->root_dir;
480 blocks_available = get_available_blocks(root_dir);
482 comp_size = strtoul(pkg->installed_size, NULL, 0);
483 /* round up a blocks count without doing fancy-but-slow casting jazz */
484 comp_size = (int)((comp_size + 1023) / 1024);
486 if (comp_size >= blocks_available) {
487 opkg_message(conf, OPKG_ERROR,
488 "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
489 blocks_available, root_dir, pkg->name, comp_size);
496 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg)
499 char *conffiles_file_name;
501 FILE *conffiles_file;
503 sprintf_alloc(&pkg->tmp_unpack_dir, "%s/%s-XXXXXX", conf->tmp_dir, pkg->name);
505 pkg->tmp_unpack_dir = mkdtemp(pkg->tmp_unpack_dir);
506 if (pkg->tmp_unpack_dir == NULL) {
507 opkg_message(conf, OPKG_ERROR,
508 "%s: Failed to create temporary directory '%s': %s\n",
509 __FUNCTION__, pkg->tmp_unpack_dir, strerror(errno));
513 err = pkg_extract_control_files_to_dir(pkg, pkg->tmp_unpack_dir);
518 /* XXX: CLEANUP: There might be a cleaner place to read in the
519 conffiles. Seems like I should be able to get everything to go
520 through pkg_init_from_file. If so, maybe it would make sense to
521 move all of unpack_pkg_control_files to that function. */
523 /* Don't need to re-read conffiles if we already have it */
524 if (!nv_pair_list_empty(&pkg->conffiles)) {
528 sprintf_alloc(&conffiles_file_name, "%s/conffiles", pkg->tmp_unpack_dir);
529 if (! file_exists(conffiles_file_name)) {
530 free(conffiles_file_name);
534 conffiles_file = fopen(conffiles_file_name, "r");
535 if (conffiles_file == NULL) {
536 fprintf(stderr, "%s: failed to open %s: %s\n",
537 __FUNCTION__, conffiles_file_name, strerror(errno));
538 free(conffiles_file_name);
541 free(conffiles_file_name);
545 char *cf_name_in_dest;
547 cf_name = file_read_line_alloc(conffiles_file);
548 if (cf_name == NULL) {
552 if (cf_name[0] == '\0') {
556 /* Prepend dest->root_dir to conffile name.
557 Take pains to avoid multiple slashes. */
558 root_dir = pkg->dest->root_dir;
559 if (conf->offline_root)
560 /* skip the offline_root prefix */
561 root_dir = pkg->dest->root_dir + strlen(conf->offline_root);
562 sprintf_alloc(&cf_name_in_dest, "%s%s", root_dir,
563 cf_name[0] == '/' ? (cf_name + 1) : cf_name);
565 /* Can't get an md5sum now, (file isn't extracted yet).
566 We'll wait until resolve_conffiles */
567 conffile_list_append(&pkg->conffiles, cf_name_in_dest, NULL);
570 free(cf_name_in_dest);
573 fclose(conffiles_file);
578 static int pkg_remove_orphan_dependent(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
587 if (old_pkg->depends_count == 0)
590 for (i=0;i<old_pkg->depends_count;i++) {
592 for (j=0;j<pkg->depends_count;j++) {
593 if (!strcmp(old_pkg->depends_str[i], pkg->depends_str[j])) {
600 d_str = old_pkg->depends_str[i];
601 buf = xcalloc(1, strlen (d_str) + 1);
603 while (d_str[j] != '\0' && d_str[j] != ' ') {
608 buf = xrealloc (buf, strlen (buf) + 1);
609 p = pkg_hash_fetch_installed_by_name (&conf->pkg_hash, buf);
611 fprintf(stderr, "The pkg %s had been removed!!\n", buf);
615 if (p->auto_installed) {
617 abstract_pkg_t **dependents;
618 deps = pkg_has_installed_dependents(conf, NULL, p, &dependents);
620 opkg_message (conf, OPKG_NOTICE,"%s was autoinstalled but is now orphaned, remove it.\n", buf);
621 opkg_remove_pkg(conf, p, 0);
623 opkg_message (conf, OPKG_INFO, "%s was autoinstalled and is still required by %d installed packages\n", buf, deps);
630 /* returns number of installed replacees */
631 int pkg_get_installed_replacees(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
633 abstract_pkg_t **replaces = pkg->replaces;
634 int replaces_count = pkg->replaces_count;
636 for (i = 0; i < replaces_count; i++) {
637 abstract_pkg_t *ab_pkg = replaces[i];
638 pkg_vec_t *pkg_vec = ab_pkg->pkgs;
640 for (j = 0; j < pkg_vec->len; j++) {
641 pkg_t *replacee = pkg_vec->pkgs[j];
642 if (!pkg_conflicts(pkg, replacee))
644 if (replacee->state_status == SS_INSTALLED) {
645 pkg_vec_insert(installed_replacees, replacee);
650 return installed_replacees->len;
653 int pkg_remove_installed_replacees(opkg_conf_t *conf, pkg_vec_t *replacees)
656 int replaces_count = replacees->len;
657 for (i = 0; i < replaces_count; i++) {
658 pkg_t *replacee = replacees->pkgs[i];
660 replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
661 err = opkg_remove_pkg(conf, replacee,0);
668 /* to unwind the removal: make sure they are installed */
669 int pkg_remove_installed_replacees_unwind(opkg_conf_t *conf, pkg_vec_t *replacees)
672 int replaces_count = replacees->len;
673 for (i = 0; i < replaces_count; i++) {
674 pkg_t *replacee = replacees->pkgs[i];
675 if (replacee->state_status != SS_INSTALLED) {
676 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
677 err = opkg_install_pkg(conf, replacee,0);
685 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
686 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
689 char message_out[15];
690 char *old_version = pkg_version_str_alloc(old_pkg);
691 char *new_version = pkg_version_str_alloc(pkg);
692 int cmp = pkg_compare_versions(old_pkg, pkg);
695 memset(message_out,'\x0',15);
696 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
697 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
698 cmp = -1 ; /* then we force opkg to downgrade */
699 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
700 /* reinstall, and some check could fail asking the "force-reinstall" option */
704 opkg_message(conf, OPKG_NOTICE,
705 "Not downgrading package %s on %s from %s to %s.\n",
706 old_pkg->name, old_pkg->dest->name, old_version, new_version);
708 } else if (cmp < 0) {
709 opkg_message(conf, OPKG_NOTICE,
710 "%s%s on %s from %s to %s...\n",
711 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
712 pkg->dest = old_pkg->dest;
714 } else /* cmp == 0 */ {
715 if (conf->force_reinstall) {
716 opkg_message(conf, OPKG_NOTICE,
717 "Reinstalling %s (%s) on %s...\n",
718 pkg->name, new_version, old_pkg->dest->name);
719 pkg->dest = old_pkg->dest;
722 opkg_message(conf, OPKG_NOTICE,
723 "Not installing %s (%s) on %s -- already installed.\n",
724 pkg->name, new_version, old_pkg->dest->name);
732 char message_out[15] ;
733 memset(message_out,'\x0',15);
735 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
737 strncpy( message_out,"Installing ",strlen("Installing ") );
738 char *version = pkg_version_str_alloc(pkg);
740 opkg_message(conf, OPKG_NOTICE,
741 "%s%s (%s) to %s...\n", message_out,
742 pkg->name, version, pkg->dest->name);
749 * @brief Really install a pkg_t
751 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
755 pkg_t *old_pkg = NULL;
756 pkg_vec_t *replacees;
757 abstract_pkg_t *ab_pkg = NULL;
765 message = 1; /* Coming from an upgrade, and should change the output message */
768 opkg_message(conf, OPKG_ERROR,
769 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
770 return OPKG_INSTALL_ERR_INTERNAL;
773 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
775 if (!pkg_arch_supported(conf, pkg)) {
776 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
777 pkg->architecture, pkg->name);
778 return OPKG_INSTALL_ERR_INTERNAL;
780 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
781 err = satisfy_dependencies_for(conf, pkg);
782 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
784 opkg_message(conf, OPKG_NOTICE,
785 "Package %s is already installed in %s.\n",
786 pkg->name, pkg->dest->name);
790 if (pkg->dest == NULL) {
791 pkg->dest = conf->default_dest;
794 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
796 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
797 if (err) { return OPKG_INSTALL_ERR_NO_DOWNGRADE; }
799 pkg->state_want = SW_INSTALL;
801 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
805 /* Abhaya: conflicts check */
806 err = check_conflicts_for(conf, pkg);
807 if (err) { return OPKG_INSTALL_ERR_CONFLICTS; }
809 /* this setup is to remove the upgrade scenario in the end when
810 installing pkg A, A deps B & B deps on A. So both B and A are
811 installed. Then A's installation is started resulting in an
812 uncecessary upgrade */
813 if (pkg->state_status == SS_INSTALLED
814 && conf->force_reinstall == 0) return 0;
816 err = verify_pkg_installable(conf, pkg);
817 if (err) { return OPKG_INSTALL_ERR_NO_SPACE; }
819 if (pkg->local_filename == NULL) {
820 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
822 opkg_message(conf, OPKG_ERROR,
823 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
825 return OPKG_INSTALL_ERR_DOWNLOAD;
829 /* check that the repository is valid */
830 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
831 char *list_file_name, *sig_file_name, *lists_dir;
833 /* check to ensure the package has come from a repository */
834 if (conf->check_signature && pkg->src)
836 sprintf_alloc (&lists_dir, "%s",
837 (conf->restrict_to_default_dest)
838 ? conf->default_dest->lists_dir
840 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, pkg->src->name);
841 sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, pkg->src->name);
843 if (file_exists (sig_file_name))
845 if (opkg_verify_file (conf, list_file_name, sig_file_name)){
846 opkg_message(conf, OPKG_ERROR, "Failed to verify the signature of: %s\n",
848 return OPKG_INSTALL_ERR_SIGNATURE;
851 opkg_message(conf, OPKG_ERROR, "Signature file is missing. "
852 "Perhaps you need to run 'opkg update'?\n");
853 return OPKG_INSTALL_ERR_SIGNATURE;
857 free (list_file_name);
858 free (sig_file_name);
862 /* Check for md5 values */
865 file_md5 = file_md5sum_alloc(pkg->local_filename);
866 if (file_md5 && strcmp(file_md5, pkg->md5sum))
868 opkg_message(conf, OPKG_ERROR,
869 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
872 return OPKG_INSTALL_ERR_MD5;
879 /* Check for sha256 value */
882 file_sha256 = file_sha256sum_alloc(pkg->local_filename);
883 if (file_sha256 && strcmp(file_sha256, pkg->sha256sum))
885 opkg_message(conf, OPKG_ERROR,
886 "Package %s sha256sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
889 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; }
909 if (pkg->state_status == SS_UNPACKED)
910 /* Circular dependency has installed it for us. */
914 replacees = pkg_vec_alloc();
915 pkg_get_installed_replacees(conf, pkg, replacees);
917 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
919 sigset_t newset, oldset;
921 sigemptyset(&newset);
922 sigaddset(&newset, SIGINT);
923 sigprocmask(SIG_BLOCK, &newset, &oldset);
925 opkg_state_changed++;
926 pkg->state_flag |= SF_FILELIST_CHANGED;
928 pkg_remove_orphan_dependent(conf, pkg, old_pkg);
930 /* XXX: BUG: we really should treat replacement more like an upgrade
931 * Instead, we're going to remove the replacees
933 err = pkg_remove_installed_replacees(conf, replacees);
934 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
936 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
937 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
939 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
940 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
942 err = preinst_configure(conf, pkg, old_pkg);
943 if (err) goto UNWIND_PREINST_CONFIGURE;
945 err = backup_modified_conffiles(conf, pkg, old_pkg);
946 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
948 err = check_data_file_clashes(conf, pkg, old_pkg);
949 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
951 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
952 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
954 if (conf->noaction) return 0;
956 /* point of no return: no unwinding after this */
957 if (old_pkg && !conf->force_reinstall) {
958 old_pkg->state_want = SW_DEINSTALL;
960 if (old_pkg->state_flag & SF_NOPRUNE) {
961 opkg_message(conf, OPKG_INFO,
962 " not removing obsolesced files because package marked noprune\n");
964 opkg_message(conf, OPKG_INFO,
965 " removing obsolesced files\n");
966 remove_obsolesced_files(conf, pkg, old_pkg);
968 /* removing files from old package, to avoid ghost files */
969 remove_data_files_and_list(conf, old_pkg);
970 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
971 remove_maintainer_scripts_except_postrm(conf, old_pkg);
972 remove_postrm(conf, old_pkg);
978 opkg_message(conf, OPKG_INFO,
979 " installing maintainer scripts\n");
980 install_maintainer_scripts(conf, pkg, old_pkg);
982 /* the following just returns 0 */
983 remove_disappeared(conf, pkg);
985 opkg_message(conf, OPKG_INFO,
986 " installing data files\n");
987 install_data_files(conf, pkg);
989 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
990 err = check_data_file_clashes_change(conf, pkg, old_pkg);
992 opkg_message(conf, OPKG_INFO,
993 " resolving conf files\n");
994 resolve_conffiles(conf, pkg);
996 pkg->state_status = SS_UNPACKED;
997 old_state_flag = pkg->state_flag;
998 pkg->state_flag &= ~SF_PREFER;
999 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
1001 if (old_pkg && !conf->force_reinstall) {
1002 old_pkg->state_status = SS_NOT_INSTALLED;
1005 time(&pkg->installed_time);
1007 opkg_message(conf, OPKG_INFO,
1008 " cleanup temp files\n");
1009 cleanup_temporary_files(conf, pkg);
1011 ab_pkg = pkg->parent;
1013 ab_pkg->state_status = pkg->state_status;
1015 opkg_message(conf, OPKG_INFO, "Done.\n");
1017 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1018 pkg_vec_free (replacees);
1022 UNWIND_POSTRM_UPGRADE_OLD_PKG:
1023 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1024 UNWIND_CHECK_DATA_FILE_CLASHES:
1025 check_data_file_clashes_unwind(conf, pkg, old_pkg);
1026 UNWIND_BACKUP_MODIFIED_CONFFILES:
1027 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
1028 UNWIND_PREINST_CONFIGURE:
1029 preinst_configure_unwind(conf, pkg, old_pkg);
1030 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
1031 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
1032 UNWIND_PRERM_UPGRADE_OLD_PKG:
1033 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1034 UNWIND_REMOVE_INSTALLED_REPLACEES:
1035 pkg_remove_installed_replacees_unwind(conf, replacees);
1037 opkg_message(conf, OPKG_INFO,
1038 " cleanup temp files\n");
1039 cleanup_temporary_files(conf, pkg);
1041 opkg_message(conf, OPKG_INFO,
1044 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1046 pkg_vec_free (replacees);
1047 return OPKG_ERR_UNKNOWN;
1051 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1053 /* DPKG_INCOMPATIBILITY:
1054 dpkg does some things here that we don't do yet. Do we care?
1056 1. If a version of the package is already installed, call
1057 old-prerm upgrade new-version
1058 2. If the script runs but exits with a non-zero exit status
1059 new-prerm failed-upgrade old-version
1060 Error unwind, for both the above cases:
1061 old-postinst abort-upgrade new-version
1066 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1068 /* DPKG_INCOMPATIBILITY:
1069 dpkg does some things here that we don't do yet. Do we care?
1070 (See prerm_upgrade_old_package for details)
1075 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1077 /* DPKG_INCOMPATIBILITY:
1078 dpkg does some things here that we don't do yet. Do we care?
1079 2. If a 'conflicting' package is being removed at the same time:
1080 1. If any packages depended on that conflicting package and
1081 --auto-deconfigure is specified, call, for each such package:
1082 deconfigured's-prerm deconfigure \
1083 in-favour package-being-installed version \
1084 removing conflicting-package version
1086 deconfigured's-postinst abort-deconfigure \
1087 in-favour package-being-installed-but-failed version \
1088 removing conflicting-package version
1090 The deconfigured packages are marked as requiring
1091 configuration, so that if --install is used they will be
1092 configured again if possible.
1093 2. To prepare for removal of the conflicting package, call:
1094 conflictor's-prerm remove in-favour package new-version
1096 conflictor's-postinst abort-remove in-favour package new-version
1101 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1103 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1104 do yet. Do we care? (See prerm_deconfigure_conflictors for
1109 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1115 char *old_version = pkg_version_str_alloc(old_pkg);
1116 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1118 } else if (pkg->state_status == SS_CONFIG_FILES) {
1119 char *pkg_version = pkg_version_str_alloc(pkg);
1120 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1123 preinst_args = xstrdup("install");
1126 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1128 opkg_message(conf, OPKG_ERROR,
1129 "Aborting installation of %s\n", pkg->name);
1138 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1140 /* DPKG_INCOMPATIBILITY:
1141 dpkg does the following error unwind, should we?
1142 pkg->postrm abort-upgrade old-version
1143 OR pkg->postrm abort-install old-version
1144 OR pkg->postrm abort-install
1149 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1152 conffile_list_elt_t *iter;
1155 if (conf->noaction) return 0;
1157 /* Backup all modified conffiles */
1159 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1163 cf_name = root_filename_alloc(conf, cf->name);
1165 /* Don't worry if the conffile is just plain gone */
1166 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1167 err = backup_make_backup(conf, cf_name);
1176 /* Backup all conffiles that were not conffiles in old_pkg */
1177 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1179 cf = (conffile_t *)iter->data;
1180 cf_name = root_filename_alloc(conf, cf->name);
1181 /* Ignore if this was a conffile in old_pkg as well */
1182 if (pkg_get_conffile(old_pkg, cf->name)) {
1186 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1187 err = backup_make_backup(conf, cf_name);
1198 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1200 conffile_list_elt_t *iter;
1203 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1204 backup_remove(((nv_pair_t *)iter->data)->name);
1208 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1209 backup_remove(((nv_pair_t *)iter->data)->name);
1216 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1218 /* DPKG_INCOMPATIBILITY:
1219 opkg takes a slightly different approach than dpkg at this
1220 point. dpkg installs each file in the new package while
1221 creating a backup for any file that is replaced, (so that it
1222 can unwind if necessary). To avoid complexity and redundant
1223 storage, opkg doesn't do any installation until later, (at the
1224 point at which dpkg removes the backups.
1226 But, we do have to check for data file clashes, since after
1227 installing a package with a file clash, removing either of the
1228 packages involved in the clash has the potential to break the
1231 str_list_t *files_list;
1232 str_list_elt_t *iter, *niter;
1236 files_list = pkg_get_installed_files(pkg);
1237 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1239 iter = niter, niter = str_list_next(files_list, iter)) {
1240 char *root_filename;
1241 char *filename = (char *) iter->data;
1242 root_filename = root_filename_alloc(conf, filename);
1243 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1246 /* Pre-existing conffiles are OK */
1247 /* @@@@ should have way to check that it is a conffile -Jamey */
1248 if (backup_exists_for(root_filename)) {
1252 /* Pre-existing files are OK if force-overwrite was asserted. */
1253 if (conf->force_overwrite) {
1254 /* but we need to change who owns this file */
1255 file_hash_set_file_owner(conf, filename, pkg);
1259 owner = file_hash_get_file_owner(conf, filename);
1261 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1262 if (owner && old_pkg) {
1263 if (strcmp(owner->name, old_pkg->name) == 0) {
1268 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1270 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1271 if (pkg_replaces(pkg, owner)) {
1274 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1275 then it's ok to overwrite. */
1276 if (strcmp(owner->name,pkg->name)==0){
1277 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1282 /* Pre-existing files are OK if they are obsolete */
1283 obs = hash_table_get(&conf->obs_file_hash, filename);
1285 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1289 /* We have found a clash. */
1290 opkg_message(conf, OPKG_ERROR,
1291 "Package %s wants to install file %s\n"
1292 "\tBut that file is already provided by package ",
1293 pkg->name, filename);
1295 opkg_message(conf, OPKG_ERROR,
1296 "%s\n", owner->name);
1298 opkg_message(conf, OPKG_ERROR,
1299 "<no package>\nPlease move this file out of the way and try again.\n");
1303 free(root_filename);
1305 pkg_free_installed_files(pkg);
1310 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1312 /* Basically that's the worst hack I could do to be able to change ownership of
1313 file list, but, being that we have no way to unwind the mods, due to structure
1314 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1315 What we do here is change the ownership of file in hash if a replace ( or similar events
1317 Only the action that are needed to change name should be considered.
1318 @@@ To change after 1.0 release.
1320 str_list_t *files_list;
1321 str_list_elt_t *iter, *niter;
1323 char *root_filename = NULL;
1327 files_list = pkg_get_installed_files(pkg);
1328 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1330 iter = niter, niter = str_list_next(files_list, niter)) {
1331 char *filename = (char *) iter->data;
1332 if (root_filename) {
1333 free(root_filename);
1334 root_filename = NULL;
1336 root_filename = root_filename_alloc(conf, filename);
1337 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1340 owner = file_hash_get_file_owner(conf, filename);
1342 if (conf->force_overwrite) {
1343 /* but we need to change who owns this file */
1344 file_hash_set_file_owner(conf, filename, pkg);
1349 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1351 if (pkg_replaces(pkg, owner)) {
1352 /* It's now time to change the owner of that file.
1353 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1354 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1355 file_hash_set_file_owner(conf, filename, pkg);
1362 if (root_filename) {
1363 free(root_filename);
1364 root_filename = NULL;
1366 pkg_free_installed_files(pkg);
1371 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1373 /* Nothing to do since check_data_file_clashes doesn't change state */
1377 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1379 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1380 1. If the package is being upgraded, call
1381 old-postrm upgrade new-version
1382 2. If this fails, attempt:
1383 new-postrm failed-upgrade old-version
1384 Error unwind, for both cases:
1385 old-preinst abort-upgrade new-version */
1389 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1391 /* DPKG_INCOMPATIBILITY:
1392 dpkg does some things here that we don't do yet. Do we care?
1393 (See postrm_upgrade_old_pkg for details)
1398 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1401 str_list_t *old_files;
1403 str_list_t *new_files;
1405 hash_table_t new_files_table;
1407 if (old_pkg == NULL) {
1411 old_files = pkg_get_installed_files(old_pkg);
1412 new_files = pkg_get_installed_files(pkg);
1414 new_files_table.entries = NULL;
1415 hash_table_init("new_files" , &new_files_table, 20);
1416 for (nf = str_list_first(new_files); nf; nf = str_list_next(new_files, nf)) {
1418 hash_table_insert(&new_files_table, nf->data, nf->data);
1421 for (of = str_list_first(old_files); of; of = str_list_next(old_files, of)) {
1424 old = (char *)of->data;
1425 new = (char *) hash_table_get (&new_files_table, old);
1429 if (file_is_dir(old)) {
1432 owner = file_hash_get_file_owner(conf, old);
1433 if (owner != old_pkg) {
1434 /* in case obsolete file no longer belongs to old_pkg */
1438 /* old file is obsolete */
1439 opkg_message(conf, OPKG_INFO,
1440 " removing obsolete file %s\n", old);
1441 if (!conf->noaction) {
1444 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1450 hash_table_deinit(&new_files_table);
1451 pkg_free_installed_files(old_pkg);
1452 pkg_free_installed_files(pkg);
1457 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1462 sprintf_alloc(&prefix, "%s.", pkg->name);
1463 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1464 pkg->dest->info_dir,
1470 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1472 /* DPKG_INCOMPATIBILITY:
1473 This is a fairly sophisticated dpkg operation. Shall we
1476 /* Any packages all of whose files have been overwritten during the
1477 installation, and which aren't required for dependencies, are
1478 considered to have been removed. For each such package
1479 1. disappearer's-postrm disappear overwriter overwriter-version
1480 2. The package's maintainer scripts are removed
1481 3. It is noted in the status database as being in a sane state,
1482 namely not installed (any conffiles it may have are ignored,
1483 rather than being removed by dpkg). Note that disappearing
1484 packages do not have their prerm called, because dpkg doesn't
1485 know in advance that the package is going to vanish.
1490 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1494 /* opkg takes a slightly different approach to data file backups
1495 than dpkg. Rather than removing backups at this point, we
1496 actually do the data file installation now. See comments in
1497 check_data_file_clashes() for more details. */
1499 opkg_message(conf, OPKG_INFO,
1500 " extracting data files to %s\n", pkg->dest->root_dir);
1501 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1506 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1507 so we can't save ourself from removing important packages
1508 At this point we (should) have extracted the .control file, so it
1509 would be a good idea to reload the data in it, and set the Essential
1510 state in *pkg. From now on the Essential is back in status file and
1511 we can protect again.
1512 We should operate this way:
1513 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1514 check for "Essential" in it
1515 set the value in pkg->essential.
1516 This new routine could be useful also for every other flag
1518 set_flags_from_control(conf, pkg) ;
1520 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1521 err = pkg_write_filelist(conf, pkg);
1525 /* XXX: FEATURE: opkg should identify any files which existed
1526 before installation and which were overwritten, (see
1527 check_data_file_clashes()). What it must do is remove any such
1528 files from the filelist of the old package which provided the
1529 file. Otherwise, if the old package were removed at some point
1530 it would break the new package. Removing the new package will
1531 also break the old one, but this cannot be helped since the old
1532 package's file has already been deleted. This is the importance
1533 of check_data_file_clashes(), and only allowing opkg to install
1534 a clashing package with a user force. */
1539 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1541 conffile_list_elt_t *iter;
1546 if (conf->noaction) return 0;
1548 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1549 char *root_filename;
1550 cf = (conffile_t *)iter->data;
1551 root_filename = root_filename_alloc(conf, cf->name);
1553 /* Might need to initialize the md5sum for each conffile */
1554 if (cf->value == NULL) {
1555 cf->value = file_md5sum_alloc(root_filename);
1558 if (!file_exists(root_filename)) {
1559 free(root_filename);
1563 cf_backup = backup_filename_alloc(root_filename);
1566 if (file_exists(cf_backup)) {
1567 /* Let's compute md5 to test if files are changed */
1568 md5sum = file_md5sum_alloc(cf_backup);
1569 if (md5sum && cf->value && strcmp(cf->value,md5sum) != 0 ) {
1570 if (conf->force_maintainer) {
1571 opkg_message(conf, OPKG_NOTICE, "Conffile %s using maintainer's setting.\n", cf_backup);
1572 } else if (conf->force_defaults
1573 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1574 rename(cf_backup, root_filename);
1583 free(root_filename);
1589 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1592 const char *short_file_name;
1594 short_file_name = strrchr(file_name, '/');
1595 if (short_file_name) {
1598 short_file_name = file_name;
1602 response = get_user_response(" Configuration file '%s'\n"
1603 " ==> File on system created by you or by a script.\n"
1604 " ==> File also in package provided by package maintainer.\n"
1605 " What would you like to do about it ? Your options are:\n"
1606 " Y or I : install the package maintainer's version\n"
1607 " N or O : keep your currently-installed version\n"
1608 " D : show the differences between the versions (if diff is installed)\n"
1609 " The default action is to keep your current version.\n"
1610 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1612 if (response == NULL)
1615 if (strcmp(response, "y") == 0
1616 || strcmp(response, "i") == 0
1617 || strcmp(response, "yes") == 0) {
1622 if (strcmp(response, "d") == 0) {
1626 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1627 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1630 printf(" [Press ENTER to continue]\n");
1631 response = file_read_line_alloc(stdin);
1641 /* XXX: CLEANUP: I'd like to move all of the code for
1642 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1643 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1644 pkg_deinit for example). */
1645 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1648 struct dirent *dirent;
1651 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1653 opkg_message(conf, OPKG_DEBUG,
1654 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1655 __FUNCTION__, pkg->tmp_unpack_dir);
1659 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1660 tmp_dir = opendir(pkg->tmp_unpack_dir);
1663 dirent = readdir(tmp_dir);
1664 if (dirent == NULL) {
1667 sprintf_alloc(&tmp_file, "%s/%s",
1668 pkg->tmp_unpack_dir, dirent->d_name);
1669 if (! file_is_dir(tmp_file)) {
1675 rmdir(pkg->tmp_unpack_dir);
1676 free(pkg->tmp_unpack_dir);
1677 pkg->tmp_unpack_dir = NULL;
1681 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1682 pkg->name, pkg->local_filename, conf->tmp_dir);
1683 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1684 unlink(pkg->local_filename);
1685 free(pkg->local_filename);
1686 pkg->local_filename = NULL;
1692 static char *backup_filename_alloc(const char *file_name)
1696 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1701 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1706 backup = backup_filename_alloc(file_name);
1707 err = file_copy(file_name, backup);
1709 opkg_message(conf, OPKG_ERROR,
1710 "%s: Failed to copy %s to %s\n",
1711 __FUNCTION__, file_name, backup);
1719 static int backup_exists_for(const char *file_name)
1724 backup = backup_filename_alloc(file_name);
1726 ret = file_exists(backup);
1733 static int backup_remove(const char *file_name)
1737 backup = backup_filename_alloc(file_name);