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 */
209 /* XXX: CLEANUP: The error code of opkg_install_by_name is really
210 supposed to be an opkg_error_t, but opkg_install_pkg could
211 return any kind of integer, (might be errno from a syscall,
212 etc.). This is a real mess and will need to be cleaned up if
213 anyone ever wants to make a nice libopkg. */
215 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
216 return opkg_install_pkg(conf, new,0);
219 opkg_error_t opkg_install_multi_by_name(opkg_conf_t *conf, const char *pkg_name)
221 abstract_pkg_vec_t *providers = pkg_hash_fetch_all_installation_candidates (&conf->pkg_hash, pkg_name);
224 abstract_pkg_t *ppkg ;
226 if (providers == NULL)
227 return OPKG_PKG_HAS_NO_CANDIDATE;
229 for (i = 0; i < providers->len; i++) {
230 ppkg = abstract_pkg_vec_get(providers, i);
231 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_by_name %d \n",__FUNCTION__, i);
232 err = opkg_install_by_name(conf, ppkg->name);
235 /* XXX Maybe ppkg should be freed ? */
241 * Walk dependence graph starting with pkg, collect packages to be
242 * installed into pkgs_needed, in dependence order.
244 int pkg_mark_dependencies_for_installation(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *pkgs_needed)
247 pkg_vec_t *depends = pkg_vec_alloc();
248 char **unresolved = NULL;
251 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
256 opkg_message(conf, OPKG_ERROR,
257 "%s: Cannot satisfy the following dependencies for %s:\n\t",
258 conf->force_depends ? "Warning" : "ERROR", pkg->name);
259 while (*unresolved) {
260 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
263 opkg_message(conf, OPKG_ERROR, "\n");
264 if (! conf->force_depends) {
265 opkg_message(conf, OPKG_INFO,
266 "This could mean that your package list is out of date or that the packages\n"
267 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
268 "of this problem try again with the '-force-depends' option.\n");
269 pkg_vec_free(depends);
270 return OPKG_PKG_DEPS_UNSATISFIED;
275 pkg_vec_free(depends);
279 for (i = 0; i < depends->len; i++) {
280 pkg_t *dep = depends->pkgs[i];
281 /* The package was uninstalled when we started, but another
282 dep earlier in this loop may have depended on it and pulled
283 it in, so check first. */
284 if ((dep->state_status != SS_INSTALLED)
285 && (dep->state_status != SS_UNPACKED)
286 && (dep->state_want != SW_INSTALL)) {
288 /* Mark packages as to-be-installed */
289 dep->state_want = SW_INSTALL;
291 /* Dependencies should be installed the same place as pkg */
292 if (dep->dest == NULL) {
293 dep->dest = pkg->dest;
296 err = pkg_mark_dependencies_for_installation(conf, dep, pkgs_needed);
298 pkg_vec_free(depends);
304 pkg_vec_insert(pkgs_needed, pkg);
306 pkg_vec_free(depends);
311 int satisfy_dependencies_for(opkg_conf_t *conf, pkg_t *pkg)
314 pkg_vec_t *depends = pkg_vec_alloc();
316 char **unresolved = NULL;
319 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
324 opkg_message(conf, OPKG_ERROR,
325 "%s: Cannot satisfy the following dependencies for %s:\n\t",
326 conf->force_depends ? "Warning" : "ERROR", pkg->name);
327 while (*unresolved) {
328 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
331 opkg_message(conf, OPKG_ERROR, "\n");
332 if (! conf->force_depends) {
333 opkg_message(conf, OPKG_INFO,
334 "This could mean that your package list is out of date or that the packages\n"
335 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
336 "of this problem try again with the '-force-depends' option.\n");
337 pkg_vec_free(depends);
338 return OPKG_PKG_DEPS_UNSATISFIED;
343 pkg_vec_free(depends);
347 /* Mark packages as to-be-installed */
348 for (i=0; i < depends->len; i++) {
349 /* Dependencies should be installed the same place as pkg */
350 if (depends->pkgs[i]->dest == NULL) {
351 depends->pkgs[i]->dest = pkg->dest;
353 depends->pkgs[i]->state_want = SW_INSTALL;
356 for (i = 0; i < depends->len; i++) {
357 dep = depends->pkgs[i];
358 /* The package was uninstalled when we started, but another
359 dep earlier in this loop may have depended on it and pulled
360 it in, so check first. */
361 if ((dep->state_status != SS_INSTALLED)
362 && (dep->state_status != SS_UNPACKED)) {
363 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
364 err = opkg_install_pkg(conf, dep,0);
365 /* mark this package as having been automatically installed to
366 * satisfy a dependancy */
367 dep->auto_installed = 1;
369 pkg_vec_free(depends);
375 pkg_vec_free(depends);
381 /* check all packages have their dependences satisfied, e.g., in case an upgraded package split */
382 int opkg_satisfy_all_dependences(opkg_conf_t *conf)
384 if (conf->nodeps == 0) {
386 pkg_vec_t *installed = pkg_vec_alloc();
387 pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
388 for (i = 0; i < installed->len; i++) {
389 pkg_t *pkg = installed->pkgs[i];
390 satisfy_dependencies_for(conf, pkg);
392 pkg_vec_free(installed);
398 static int check_conflicts_for(opkg_conf_t *conf, pkg_t *pkg)
401 pkg_vec_t *conflicts = NULL;
404 if (conf->force_depends) {
412 if (!conf->force_depends)
413 conflicts = (pkg_vec_t *)pkg_hash_fetch_conflicts(&conf->pkg_hash, pkg);
416 opkg_message(conf, level,
417 "%s: The following packages conflict with %s:\n\t", prefix, pkg->name);
419 while (i < conflicts->len)
420 opkg_message(conf, level, " %s", conflicts->pkgs[i++]->name);
421 opkg_message(conf, level, "\n");
422 pkg_vec_free(conflicts);
423 return OPKG_PKG_DEPS_UNSATISFIED;
428 static int update_file_ownership(opkg_conf_t *conf, pkg_t *new_pkg, pkg_t *old_pkg)
430 str_list_t *new_list = pkg_get_installed_files(new_pkg);
431 str_list_elt_t *iter, *niter;
433 for (iter = str_list_first(new_list), niter = str_list_next(new_list, iter);
435 iter = niter, niter = str_list_next(new_list, niter)) {
436 char *new_file = (char *)iter->data;
437 pkg_t *owner = file_hash_get_file_owner(conf, new_file);
439 opkg_message(conf, OPKG_ERROR, "Null new_file for new_pkg=%s\n", new_pkg->name);
440 if (!owner || (owner == old_pkg))
441 file_hash_set_file_owner(conf, new_file, new_pkg);
444 str_list_t *old_list = pkg_get_installed_files(old_pkg);
445 for (iter = str_list_first(old_list), niter = str_list_next(old_list, iter);
447 iter = niter, niter = str_list_next(old_list, niter)) {
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;
476 if (!conf->force_space && pkg->installed_size != NULL) {
477 root_dir = pkg->dest ? pkg->dest->root_dir : conf->default_dest->root_dir;
478 blocks_available = get_available_blocks(root_dir);
480 comp_size = strtoul(pkg->installed_size, NULL, 0);
481 /* round up a blocks count without doing fancy-but-slow casting jazz */
482 comp_size = (int)((comp_size + 1023) / 1024);
484 if (comp_size >= blocks_available) {
485 opkg_message(conf, OPKG_ERROR,
486 "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
487 blocks_available, root_dir, pkg->name, comp_size);
494 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg)
497 char *conffiles_file_name;
499 FILE *conffiles_file;
501 sprintf_alloc(&pkg->tmp_unpack_dir, "%s/%s-XXXXXX", conf->tmp_dir, pkg->name);
503 pkg->tmp_unpack_dir = mkdtemp(pkg->tmp_unpack_dir);
504 if (pkg->tmp_unpack_dir == NULL) {
505 opkg_message(conf, OPKG_ERROR,
506 "%s: Failed to create temporary directory '%s': %s\n",
507 __FUNCTION__, pkg->tmp_unpack_dir, strerror(errno));
511 err = pkg_extract_control_files_to_dir(pkg, pkg->tmp_unpack_dir);
516 /* XXX: CLEANUP: There might be a cleaner place to read in the
517 conffiles. Seems like I should be able to get everything to go
518 through pkg_init_from_file. If so, maybe it would make sense to
519 move all of unpack_pkg_control_files to that function. */
521 /* Don't need to re-read conffiles if we already have it */
522 if (!nv_pair_list_empty(&pkg->conffiles)) {
526 sprintf_alloc(&conffiles_file_name, "%s/conffiles", pkg->tmp_unpack_dir);
527 if (! file_exists(conffiles_file_name)) {
528 free(conffiles_file_name);
532 conffiles_file = fopen(conffiles_file_name, "r");
533 if (conffiles_file == NULL) {
534 fprintf(stderr, "%s: failed to open %s: %s\n",
535 __FUNCTION__, conffiles_file_name, strerror(errno));
536 free(conffiles_file_name);
539 free(conffiles_file_name);
543 char *cf_name_in_dest;
545 cf_name = file_read_line_alloc(conffiles_file);
546 if (cf_name == NULL) {
550 if (cf_name[0] == '\0') {
554 /* Prepend dest->root_dir to conffile name.
555 Take pains to avoid multiple slashes. */
556 root_dir = pkg->dest->root_dir;
557 if (conf->offline_root)
558 /* skip the offline_root prefix */
559 root_dir = pkg->dest->root_dir + strlen(conf->offline_root);
560 sprintf_alloc(&cf_name_in_dest, "%s%s", root_dir,
561 cf_name[0] == '/' ? (cf_name + 1) : cf_name);
563 /* Can't get an md5sum now, (file isn't extracted yet).
564 We'll wait until resolve_conffiles */
565 conffile_list_append(&pkg->conffiles, cf_name_in_dest, NULL);
568 free(cf_name_in_dest);
571 fclose(conffiles_file);
576 static int pkg_remove_orphan_dependent(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
585 if (old_pkg->depends_count == 0)
588 for (i=0;i<old_pkg->depends_count;i++) {
590 for (j=0;j<pkg->depends_count;j++) {
591 if (!strcmp(old_pkg->depends_str[i], pkg->depends_str[j])) {
598 d_str = old_pkg->depends_str[i];
599 buf = xcalloc(1, strlen (d_str) + 1);
601 while (d_str[j] != '\0' && d_str[j] != ' ') {
606 buf = xrealloc (buf, strlen (buf) + 1);
607 p = pkg_hash_fetch_installed_by_name (&conf->pkg_hash, buf);
609 fprintf(stderr, "The pkg %s had been removed!!\n", buf);
613 if (p->auto_installed) {
615 abstract_pkg_t **dependents;
616 deps = pkg_has_installed_dependents(conf, NULL, p, &dependents);
618 opkg_message (conf, OPKG_NOTICE,"%s was autoinstalled but is now orphaned, remove it.\n", buf);
619 opkg_remove_pkg(conf, p, 0);
621 opkg_message (conf, OPKG_INFO, "%s was autoinstalled and is still required by %d installed packages\n", buf, deps);
628 /* returns number of installed replacees */
629 int pkg_get_installed_replacees(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
631 abstract_pkg_t **replaces = pkg->replaces;
632 int replaces_count = pkg->replaces_count;
634 for (i = 0; i < replaces_count; i++) {
635 abstract_pkg_t *ab_pkg = replaces[i];
636 pkg_vec_t *pkg_vec = ab_pkg->pkgs;
638 for (j = 0; j < pkg_vec->len; j++) {
639 pkg_t *replacee = pkg_vec->pkgs[j];
640 if (!pkg_conflicts(pkg, replacee))
642 if (replacee->state_status == SS_INSTALLED) {
643 pkg_vec_insert(installed_replacees, replacee);
648 return installed_replacees->len;
651 int pkg_remove_installed_replacees(opkg_conf_t *conf, pkg_vec_t *replacees)
654 int replaces_count = replacees->len;
655 for (i = 0; i < replaces_count; i++) {
656 pkg_t *replacee = replacees->pkgs[i];
658 replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
659 err = opkg_remove_pkg(conf, replacee,0);
666 /* to unwind the removal: make sure they are installed */
667 int pkg_remove_installed_replacees_unwind(opkg_conf_t *conf, pkg_vec_t *replacees)
670 int replaces_count = replacees->len;
671 for (i = 0; i < replaces_count; i++) {
672 pkg_t *replacee = replacees->pkgs[i];
673 if (replacee->state_status != SS_INSTALLED) {
674 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
675 err = opkg_install_pkg(conf, replacee,0);
683 int caught_sigint = 0;
684 static void opkg_install_pkg_sigint_handler(int sig)
689 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
690 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
693 char message_out[15];
694 char *old_version = pkg_version_str_alloc(old_pkg);
695 char *new_version = pkg_version_str_alloc(pkg);
696 int cmp = pkg_compare_versions(old_pkg, pkg);
699 memset(message_out,'\x0',15);
700 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
701 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
702 cmp = -1 ; /* then we force opkg to downgrade */
703 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
704 /* reinstall, and some check could fail asking the "force-reinstall" option */
708 opkg_message(conf, OPKG_NOTICE,
709 "Not downgrading package %s on %s from %s to %s.\n",
710 old_pkg->name, old_pkg->dest->name, old_version, new_version);
712 } else if (cmp < 0) {
713 opkg_message(conf, OPKG_NOTICE,
714 "%s%s on %s from %s to %s...\n",
715 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
716 pkg->dest = old_pkg->dest;
718 } else /* cmp == 0 */ {
719 if (conf->force_reinstall) {
720 opkg_message(conf, OPKG_NOTICE,
721 "Reinstalling %s (%s) on %s...\n",
722 pkg->name, new_version, old_pkg->dest->name);
723 pkg->dest = old_pkg->dest;
726 opkg_message(conf, OPKG_NOTICE,
727 "Not installing %s (%s) on %s -- already installed.\n",
728 pkg->name, new_version, old_pkg->dest->name);
736 char message_out[15] ;
737 memset(message_out,'\x0',15);
739 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
741 strncpy( message_out,"Installing ",strlen("Installing ") );
742 char *version = pkg_version_str_alloc(pkg);
744 opkg_message(conf, OPKG_NOTICE,
745 "%s%s (%s) to %s...\n", message_out,
746 pkg->name, version, pkg->dest->name);
753 * @brief Really install a pkg_t
755 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
759 pkg_t *old_pkg = NULL;
760 pkg_vec_t *replacees;
761 abstract_pkg_t *ab_pkg = NULL;
769 message = 1; /* Coming from an upgrade, and should change the output message */
772 opkg_message(conf, OPKG_ERROR,
773 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
774 return OPKG_INSTALL_ERR_INTERNAL;
777 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
779 if (!pkg_arch_supported(conf, pkg)) {
780 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
781 pkg->architecture, pkg->name);
782 return OPKG_INSTALL_ERR_INTERNAL;
784 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
785 err = satisfy_dependencies_for(conf, pkg);
786 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
788 opkg_message(conf, OPKG_NOTICE,
789 "Package %s is already installed in %s.\n",
790 pkg->name, pkg->dest->name);
794 if (pkg->dest == NULL) {
795 pkg->dest = conf->default_dest;
798 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
800 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
801 if (err) { return OPKG_INSTALL_ERR_NO_DOWNGRADE; }
803 pkg->state_want = SW_INSTALL;
805 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
809 /* Abhaya: conflicts check */
810 err = check_conflicts_for(conf, pkg);
811 if (err) { return OPKG_INSTALL_ERR_CONFLICTS; }
813 /* this setup is to remove the upgrade scenario in the end when
814 installing pkg A, A deps B & B deps on A. So both B and A are
815 installed. Then A's installation is started resulting in an
816 uncecessary upgrade */
817 if (pkg->state_status == SS_INSTALLED
818 && conf->force_reinstall == 0) return 0;
820 err = verify_pkg_installable(conf, pkg);
821 if (err) { return OPKG_INSTALL_ERR_NO_SPACE; }
823 if (pkg->local_filename == NULL) {
824 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
826 opkg_message(conf, OPKG_ERROR,
827 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
829 return OPKG_INSTALL_ERR_DOWNLOAD;
833 /* check that the repository is valid */
834 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
835 char *list_file_name, *sig_file_name, *lists_dir;
837 /* check to ensure the package has come from a repository */
838 if (conf->check_signature && pkg->src)
840 sprintf_alloc (&lists_dir, "%s",
841 (conf->restrict_to_default_dest)
842 ? conf->default_dest->lists_dir
844 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, pkg->src->name);
845 sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, pkg->src->name);
847 if (file_exists (sig_file_name))
849 if (opkg_verify_file (conf, list_file_name, sig_file_name)){
850 opkg_message(conf, OPKG_ERROR, "Failed to verify the signature of: %s\n",
852 return OPKG_INSTALL_ERR_SIGNATURE;
855 opkg_message(conf, OPKG_ERROR, "Signature file is missing. "
856 "Perhaps you need to run 'opkg update'?\n");
857 return OPKG_INSTALL_ERR_SIGNATURE;
861 free (list_file_name);
862 free (sig_file_name);
866 /* Check for md5 values */
869 file_md5 = file_md5sum_alloc(pkg->local_filename);
870 if (file_md5 && strcmp(file_md5, pkg->md5sum))
872 opkg_message(conf, OPKG_ERROR,
873 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
876 return OPKG_INSTALL_ERR_MD5;
883 /* Check for sha256 value */
886 file_sha256 = file_sha256sum_alloc(pkg->local_filename);
887 if (file_sha256 && strcmp(file_sha256, pkg->sha256sum))
889 opkg_message(conf, OPKG_ERROR,
890 "Package %s sha256sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
893 return OPKG_INSTALL_ERR_SHA256;
900 if (pkg->tmp_unpack_dir == NULL) {
901 unpack_pkg_control_files(conf, pkg);
904 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
905 /* Pigi: check if it will pass from here when replacing. It seems to fail */
906 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
907 err = update_file_ownership(conf, pkg, old_pkg);
908 if (err) { return OPKG_ERR_UNKNOWN; }
910 if (conf->nodeps == 0) {
911 err = satisfy_dependencies_for(conf, pkg);
912 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
913 if (pkg->state_status == SS_UNPACKED)
914 /* Circular dependency has installed it for us. */
918 replacees = pkg_vec_alloc();
919 pkg_get_installed_replacees(conf, pkg, replacees);
921 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
923 sigset_t newset, oldset;
924 sighandler_t old_handler = NULL;
928 old_handler = signal(SIGINT, opkg_install_pkg_sigint_handler);
930 sigemptyset(&newset);
931 sigaddset(&newset, SIGINT);
932 sigprocmask(SIG_BLOCK, &newset, &oldset);
935 opkg_state_changed++;
936 pkg->state_flag |= SF_FILELIST_CHANGED;
938 pkg_remove_orphan_dependent(conf, pkg, old_pkg);
940 /* XXX: BUG: we really should treat replacement more like an upgrade
941 * Instead, we're going to remove the replacees
943 err = pkg_remove_installed_replacees(conf, replacees);
944 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
946 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
947 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
949 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
950 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
952 err = preinst_configure(conf, pkg, old_pkg);
953 if (err) goto UNWIND_PREINST_CONFIGURE;
955 err = backup_modified_conffiles(conf, pkg, old_pkg);
956 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
958 err = check_data_file_clashes(conf, pkg, old_pkg);
959 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
961 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
962 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
964 if (conf->noaction) return 0;
966 /* point of no return: no unwinding after this */
967 if (old_pkg && !conf->force_reinstall) {
968 old_pkg->state_want = SW_DEINSTALL;
970 if (old_pkg->state_flag & SF_NOPRUNE) {
971 opkg_message(conf, OPKG_INFO,
972 " not removing obsolesced files because package marked noprune\n");
974 opkg_message(conf, OPKG_INFO,
975 " removing obsolesced files\n");
976 remove_obsolesced_files(conf, pkg, old_pkg);
978 /* removing files from old package, to avoid ghost files */
979 remove_data_files_and_list(conf, old_pkg);
980 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
981 remove_maintainer_scripts_except_postrm(conf, old_pkg);
982 remove_postrm(conf, old_pkg);
988 opkg_message(conf, OPKG_INFO,
989 " installing maintainer scripts\n");
990 install_maintainer_scripts(conf, pkg, old_pkg);
992 /* the following just returns 0 */
993 remove_disappeared(conf, pkg);
995 opkg_message(conf, OPKG_INFO,
996 " installing data files\n");
997 install_data_files(conf, pkg);
999 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
1000 err = check_data_file_clashes_change(conf, pkg, old_pkg);
1002 opkg_message(conf, OPKG_INFO,
1003 " resolving conf files\n");
1004 resolve_conffiles(conf, pkg);
1006 pkg->state_status = SS_UNPACKED;
1007 old_state_flag = pkg->state_flag;
1008 pkg->state_flag &= ~SF_PREFER;
1009 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
1011 if (old_pkg && !conf->force_reinstall) {
1012 old_pkg->state_status = SS_NOT_INSTALLED;
1015 time(&pkg->installed_time);
1017 opkg_message(conf, OPKG_INFO,
1018 " cleanup temp files\n");
1019 cleanup_temporary_files(conf, pkg);
1021 ab_pkg = pkg->parent;
1023 ab_pkg->state_status = pkg->state_status;
1025 opkg_message(conf, OPKG_INFO, "Done.\n");
1028 signal(SIGINT, old_handler);
1030 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1031 pkg_vec_free (replacees);
1035 UNWIND_POSTRM_UPGRADE_OLD_PKG:
1036 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1037 UNWIND_CHECK_DATA_FILE_CLASHES:
1038 check_data_file_clashes_unwind(conf, pkg, old_pkg);
1039 UNWIND_BACKUP_MODIFIED_CONFFILES:
1040 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
1041 UNWIND_PREINST_CONFIGURE:
1042 preinst_configure_unwind(conf, pkg, old_pkg);
1043 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
1044 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
1045 UNWIND_PRERM_UPGRADE_OLD_PKG:
1046 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1047 UNWIND_REMOVE_INSTALLED_REPLACEES:
1048 pkg_remove_installed_replacees_unwind(conf, replacees);
1050 opkg_message(conf, OPKG_INFO,
1051 " cleanup temp files\n");
1052 cleanup_temporary_files(conf, pkg);
1054 opkg_message(conf, OPKG_INFO,
1057 signal(SIGINT, old_handler);
1059 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1061 pkg_vec_free (replacees);
1062 return OPKG_ERR_UNKNOWN;
1066 static int prerm_upgrade_old_pkg(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?
1071 1. If a version of the package is already installed, call
1072 old-prerm upgrade new-version
1073 2. If the script runs but exits with a non-zero exit status
1074 new-prerm failed-upgrade old-version
1075 Error unwind, for both the above cases:
1076 old-postinst abort-upgrade new-version
1081 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1083 /* DPKG_INCOMPATIBILITY:
1084 dpkg does some things here that we don't do yet. Do we care?
1085 (See prerm_upgrade_old_package for details)
1090 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1092 /* DPKG_INCOMPATIBILITY:
1093 dpkg does some things here that we don't do yet. Do we care?
1094 2. If a 'conflicting' package is being removed at the same time:
1095 1. If any packages depended on that conflicting package and
1096 --auto-deconfigure is specified, call, for each such package:
1097 deconfigured's-prerm deconfigure \
1098 in-favour package-being-installed version \
1099 removing conflicting-package version
1101 deconfigured's-postinst abort-deconfigure \
1102 in-favour package-being-installed-but-failed version \
1103 removing conflicting-package version
1105 The deconfigured packages are marked as requiring
1106 configuration, so that if --install is used they will be
1107 configured again if possible.
1108 2. To prepare for removal of the conflicting package, call:
1109 conflictor's-prerm remove in-favour package new-version
1111 conflictor's-postinst abort-remove in-favour package new-version
1116 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1118 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1119 do yet. Do we care? (See prerm_deconfigure_conflictors for
1124 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1130 char *old_version = pkg_version_str_alloc(old_pkg);
1131 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1133 } else if (pkg->state_status == SS_CONFIG_FILES) {
1134 char *pkg_version = pkg_version_str_alloc(pkg);
1135 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1138 preinst_args = xstrdup("install");
1141 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1143 opkg_message(conf, OPKG_ERROR,
1144 "Aborting installation of %s\n", pkg->name);
1153 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1155 /* DPKG_INCOMPATIBILITY:
1156 dpkg does the following error unwind, should we?
1157 pkg->postrm abort-upgrade old-version
1158 OR pkg->postrm abort-install old-version
1159 OR pkg->postrm abort-install
1164 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1167 conffile_list_elt_t *iter;
1170 if (conf->noaction) return 0;
1172 /* Backup all modified conffiles */
1174 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1178 cf_name = root_filename_alloc(conf, cf->name);
1180 /* Don't worry if the conffile is just plain gone */
1181 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1182 err = backup_make_backup(conf, cf_name);
1191 /* Backup all conffiles that were not conffiles in old_pkg */
1192 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1194 cf = (conffile_t *)iter->data;
1195 cf_name = root_filename_alloc(conf, cf->name);
1196 /* Ignore if this was a conffile in old_pkg as well */
1197 if (pkg_get_conffile(old_pkg, cf->name)) {
1201 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1202 err = backup_make_backup(conf, cf_name);
1213 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1215 conffile_list_elt_t *iter;
1218 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1219 backup_remove(((nv_pair_t *)iter->data)->name);
1223 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1224 backup_remove(((nv_pair_t *)iter->data)->name);
1231 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1233 /* DPKG_INCOMPATIBILITY:
1234 opkg takes a slightly different approach than dpkg at this
1235 point. dpkg installs each file in the new package while
1236 creating a backup for any file that is replaced, (so that it
1237 can unwind if necessary). To avoid complexity and redundant
1238 storage, opkg doesn't do any installation until later, (at the
1239 point at which dpkg removes the backups.
1241 But, we do have to check for data file clashes, since after
1242 installing a package with a file clash, removing either of the
1243 packages involved in the clash has the potential to break the
1246 str_list_t *files_list;
1247 str_list_elt_t *iter, *niter;
1251 files_list = pkg_get_installed_files(pkg);
1252 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1254 iter = niter, niter = str_list_next(files_list, iter)) {
1255 char *root_filename;
1256 char *filename = (char *) iter->data;
1257 root_filename = root_filename_alloc(conf, filename);
1258 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1261 /* Pre-existing conffiles are OK */
1262 /* @@@@ should have way to check that it is a conffile -Jamey */
1263 if (backup_exists_for(root_filename)) {
1267 /* Pre-existing files are OK if force-overwrite was asserted. */
1268 if (conf->force_overwrite) {
1269 /* but we need to change who owns this file */
1270 file_hash_set_file_owner(conf, filename, pkg);
1274 owner = file_hash_get_file_owner(conf, filename);
1276 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1277 if (owner && old_pkg) {
1278 if (strcmp(owner->name, old_pkg->name) == 0) {
1283 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1285 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1286 if (pkg_replaces(pkg, owner)) {
1289 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1290 then it's ok to overwrite. */
1291 if (strcmp(owner->name,pkg->name)==0){
1292 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1297 /* Pre-existing files are OK if they are obsolete */
1298 obs = hash_table_get(&conf->obs_file_hash, filename);
1300 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1304 /* We have found a clash. */
1305 opkg_message(conf, OPKG_ERROR,
1306 "Package %s wants to install file %s\n"
1307 "\tBut that file is already provided by package ",
1308 pkg->name, filename);
1310 opkg_message(conf, OPKG_ERROR,
1311 "%s\n", owner->name);
1313 opkg_message(conf, OPKG_ERROR,
1314 "<no package>\nPlease move this file out of the way and try again.\n");
1318 free(root_filename);
1320 pkg_free_installed_files(pkg);
1325 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1327 /* Basically that's the worst hack I could do to be able to change ownership of
1328 file list, but, being that we have no way to unwind the mods, due to structure
1329 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1330 What we do here is change the ownership of file in hash if a replace ( or similar events
1332 Only the action that are needed to change name should be considered.
1333 @@@ To change after 1.0 release.
1335 str_list_t *files_list;
1336 str_list_elt_t *iter, *niter;
1338 char *root_filename = NULL;
1342 files_list = pkg_get_installed_files(pkg);
1343 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1345 iter = niter, niter = str_list_next(files_list, niter)) {
1346 char *filename = (char *) iter->data;
1347 if (root_filename) {
1348 free(root_filename);
1349 root_filename = NULL;
1351 root_filename = root_filename_alloc(conf, filename);
1352 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1355 owner = file_hash_get_file_owner(conf, filename);
1357 if (conf->force_overwrite) {
1358 /* but we need to change who owns this file */
1359 file_hash_set_file_owner(conf, filename, pkg);
1364 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1366 if (pkg_replaces(pkg, owner)) {
1367 /* It's now time to change the owner of that file.
1368 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1369 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1370 file_hash_set_file_owner(conf, filename, pkg);
1377 if (root_filename) {
1378 free(root_filename);
1379 root_filename = NULL;
1381 pkg_free_installed_files(pkg);
1386 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1388 /* Nothing to do since check_data_file_clashes doesn't change state */
1392 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1394 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1395 1. If the package is being upgraded, call
1396 old-postrm upgrade new-version
1397 2. If this fails, attempt:
1398 new-postrm failed-upgrade old-version
1399 Error unwind, for both cases:
1400 old-preinst abort-upgrade new-version */
1404 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1406 /* DPKG_INCOMPATIBILITY:
1407 dpkg does some things here that we don't do yet. Do we care?
1408 (See postrm_upgrade_old_pkg for details)
1413 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1416 str_list_t *old_files;
1418 str_list_t *new_files;
1420 hash_table_t new_files_table;
1422 if (old_pkg == NULL) {
1426 old_files = pkg_get_installed_files(old_pkg);
1427 new_files = pkg_get_installed_files(pkg);
1429 new_files_table.entries = NULL;
1430 hash_table_init("new_files" , &new_files_table, 20);
1431 for (nf = str_list_first(new_files); nf; nf = str_list_next(new_files, nf)) {
1433 hash_table_insert(&new_files_table, nf->data, nf->data);
1436 for (of = str_list_first(old_files); of; of = str_list_next(old_files, of)) {
1439 old = (char *)of->data;
1440 new = (char *) hash_table_get (&new_files_table, old);
1444 if (file_is_dir(old)) {
1447 owner = file_hash_get_file_owner(conf, old);
1448 if (owner != old_pkg) {
1449 /* in case obsolete file no longer belongs to old_pkg */
1453 /* old file is obsolete */
1454 opkg_message(conf, OPKG_INFO,
1455 " removing obsolete file %s\n", old);
1456 if (!conf->noaction) {
1459 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1465 hash_table_deinit(&new_files_table);
1466 pkg_free_installed_files(old_pkg);
1467 pkg_free_installed_files(pkg);
1472 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1477 sprintf_alloc(&prefix, "%s.", pkg->name);
1478 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1479 pkg->dest->info_dir,
1485 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1487 /* DPKG_INCOMPATIBILITY:
1488 This is a fairly sophisticated dpkg operation. Shall we
1491 /* Any packages all of whose files have been overwritten during the
1492 installation, and which aren't required for dependencies, are
1493 considered to have been removed. For each such package
1494 1. disappearer's-postrm disappear overwriter overwriter-version
1495 2. The package's maintainer scripts are removed
1496 3. It is noted in the status database as being in a sane state,
1497 namely not installed (any conffiles it may have are ignored,
1498 rather than being removed by dpkg). Note that disappearing
1499 packages do not have their prerm called, because dpkg doesn't
1500 know in advance that the package is going to vanish.
1505 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1509 /* opkg takes a slightly different approach to data file backups
1510 than dpkg. Rather than removing backups at this point, we
1511 actually do the data file installation now. See comments in
1512 check_data_file_clashes() for more details. */
1514 opkg_message(conf, OPKG_INFO,
1515 " extracting data files to %s\n", pkg->dest->root_dir);
1516 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1521 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1522 so we can't save ourself from removing important packages
1523 At this point we (should) have extracted the .control file, so it
1524 would be a good idea to reload the data in it, and set the Essential
1525 state in *pkg. From now on the Essential is back in status file and
1526 we can protect again.
1527 We should operate this way:
1528 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1529 check for "Essential" in it
1530 set the value in pkg->essential.
1531 This new routine could be useful also for every other flag
1533 set_flags_from_control(conf, pkg) ;
1535 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1536 err = pkg_write_filelist(conf, pkg);
1540 /* XXX: FEATURE: opkg should identify any files which existed
1541 before installation and which were overwritten, (see
1542 check_data_file_clashes()). What it must do is remove any such
1543 files from the filelist of the old package which provided the
1544 file. Otherwise, if the old package were removed at some point
1545 it would break the new package. Removing the new package will
1546 also break the old one, but this cannot be helped since the old
1547 package's file has already been deleted. This is the importance
1548 of check_data_file_clashes(), and only allowing opkg to install
1549 a clashing package with a user force. */
1554 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1556 conffile_list_elt_t *iter;
1561 if (conf->noaction) return 0;
1563 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1564 char *root_filename;
1565 cf = (conffile_t *)iter->data;
1566 root_filename = root_filename_alloc(conf, cf->name);
1568 /* Might need to initialize the md5sum for each conffile */
1569 if (cf->value == NULL) {
1570 cf->value = file_md5sum_alloc(root_filename);
1573 if (!file_exists(root_filename)) {
1574 free(root_filename);
1578 cf_backup = backup_filename_alloc(root_filename);
1581 if (file_exists(cf_backup)) {
1582 /* Let's compute md5 to test if files are changed */
1583 md5sum = file_md5sum_alloc(cf_backup);
1584 if (md5sum && cf->value && strcmp(cf->value,md5sum) != 0 ) {
1585 if (conf->force_maintainer) {
1586 opkg_message(conf, OPKG_NOTICE, "Conffile %s using maintainer's setting.\n", cf_backup);
1587 } else if (conf->force_defaults
1588 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1589 rename(cf_backup, root_filename);
1598 free(root_filename);
1604 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1607 const char *short_file_name;
1609 short_file_name = strrchr(file_name, '/');
1610 if (short_file_name) {
1613 short_file_name = file_name;
1617 response = get_user_response(" Configuration file '%s'\n"
1618 " ==> File on system created by you or by a script.\n"
1619 " ==> File also in package provided by package maintainer.\n"
1620 " What would you like to do about it ? Your options are:\n"
1621 " Y or I : install the package maintainer's version\n"
1622 " N or O : keep your currently-installed version\n"
1623 " D : show the differences between the versions (if diff is installed)\n"
1624 " The default action is to keep your current version.\n"
1625 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1626 if (strcmp(response, "y") == 0
1627 || strcmp(response, "i") == 0
1628 || strcmp(response, "yes") == 0) {
1633 if (strcmp(response, "d") == 0) {
1637 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1638 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1641 printf(" [Press ENTER to continue]\n");
1642 response = file_read_line_alloc(stdin);
1652 /* XXX: CLEANUP: I'd like to move all of the code for
1653 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1654 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1655 pkg_deinit for example). */
1656 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1659 struct dirent *dirent;
1662 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1664 opkg_message(conf, OPKG_DEBUG,
1665 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1666 __FUNCTION__, pkg->tmp_unpack_dir);
1670 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1671 tmp_dir = opendir(pkg->tmp_unpack_dir);
1674 dirent = readdir(tmp_dir);
1675 if (dirent == NULL) {
1678 sprintf_alloc(&tmp_file, "%s/%s",
1679 pkg->tmp_unpack_dir, dirent->d_name);
1680 if (! file_is_dir(tmp_file)) {
1686 rmdir(pkg->tmp_unpack_dir);
1687 free(pkg->tmp_unpack_dir);
1688 pkg->tmp_unpack_dir = NULL;
1692 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1693 pkg->name, pkg->local_filename, conf->tmp_dir);
1694 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1695 unlink(pkg->local_filename);
1696 free(pkg->local_filename);
1697 pkg->local_filename = NULL;
1703 static char *backup_filename_alloc(const char *file_name)
1707 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1712 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1717 backup = backup_filename_alloc(file_name);
1718 err = file_copy(file_name, backup);
1720 opkg_message(conf, OPKG_ERROR,
1721 "%s: Failed to copy %s to %s\n",
1722 __FUNCTION__, file_name, backup);
1730 static int backup_exists_for(const char *file_name)
1735 backup = backup_filename_alloc(file_name);
1737 ret = file_exists(backup);
1744 static int backup_remove(const char *file_name)
1748 backup = backup_filename_alloc(file_name);