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 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
684 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
687 char message_out[15];
688 char *old_version = pkg_version_str_alloc(old_pkg);
689 char *new_version = pkg_version_str_alloc(pkg);
690 int cmp = pkg_compare_versions(old_pkg, pkg);
693 memset(message_out,'\x0',15);
694 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
695 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
696 cmp = -1 ; /* then we force opkg to downgrade */
697 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
698 /* reinstall, and some check could fail asking the "force-reinstall" option */
702 opkg_message(conf, OPKG_NOTICE,
703 "Not downgrading package %s on %s from %s to %s.\n",
704 old_pkg->name, old_pkg->dest->name, old_version, new_version);
706 } else if (cmp < 0) {
707 opkg_message(conf, OPKG_NOTICE,
708 "%s%s on %s from %s to %s...\n",
709 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
710 pkg->dest = old_pkg->dest;
712 } else /* cmp == 0 */ {
713 if (conf->force_reinstall) {
714 opkg_message(conf, OPKG_NOTICE,
715 "Reinstalling %s (%s) on %s...\n",
716 pkg->name, new_version, old_pkg->dest->name);
717 pkg->dest = old_pkg->dest;
720 opkg_message(conf, OPKG_NOTICE,
721 "Not installing %s (%s) on %s -- already installed.\n",
722 pkg->name, new_version, old_pkg->dest->name);
730 char message_out[15] ;
731 memset(message_out,'\x0',15);
733 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
735 strncpy( message_out,"Installing ",strlen("Installing ") );
736 char *version = pkg_version_str_alloc(pkg);
738 opkg_message(conf, OPKG_NOTICE,
739 "%s%s (%s) to %s...\n", message_out,
740 pkg->name, version, pkg->dest->name);
747 * @brief Really install a pkg_t
749 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
753 pkg_t *old_pkg = NULL;
754 pkg_vec_t *replacees;
755 abstract_pkg_t *ab_pkg = NULL;
763 message = 1; /* Coming from an upgrade, and should change the output message */
766 opkg_message(conf, OPKG_ERROR,
767 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
768 return OPKG_INSTALL_ERR_INTERNAL;
771 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
773 if (!pkg_arch_supported(conf, pkg)) {
774 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
775 pkg->architecture, pkg->name);
776 return OPKG_INSTALL_ERR_INTERNAL;
778 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
779 err = satisfy_dependencies_for(conf, pkg);
780 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
782 opkg_message(conf, OPKG_NOTICE,
783 "Package %s is already installed in %s.\n",
784 pkg->name, pkg->dest->name);
788 if (pkg->dest == NULL) {
789 pkg->dest = conf->default_dest;
792 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
794 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
795 if (err) { return OPKG_INSTALL_ERR_NO_DOWNGRADE; }
797 pkg->state_want = SW_INSTALL;
799 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
803 /* Abhaya: conflicts check */
804 err = check_conflicts_for(conf, pkg);
805 if (err) { return OPKG_INSTALL_ERR_CONFLICTS; }
807 /* this setup is to remove the upgrade scenario in the end when
808 installing pkg A, A deps B & B deps on A. So both B and A are
809 installed. Then A's installation is started resulting in an
810 uncecessary upgrade */
811 if (pkg->state_status == SS_INSTALLED
812 && conf->force_reinstall == 0) return 0;
814 err = verify_pkg_installable(conf, pkg);
815 if (err) { return OPKG_INSTALL_ERR_NO_SPACE; }
817 if (pkg->local_filename == NULL) {
818 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
820 opkg_message(conf, OPKG_ERROR,
821 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
823 return OPKG_INSTALL_ERR_DOWNLOAD;
827 /* check that the repository is valid */
828 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
829 char *list_file_name, *sig_file_name, *lists_dir;
831 /* check to ensure the package has come from a repository */
832 if (conf->check_signature && pkg->src)
834 sprintf_alloc (&lists_dir, "%s",
835 (conf->restrict_to_default_dest)
836 ? conf->default_dest->lists_dir
838 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, pkg->src->name);
839 sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, pkg->src->name);
841 if (file_exists (sig_file_name))
843 if (opkg_verify_file (conf, list_file_name, sig_file_name)){
844 opkg_message(conf, OPKG_ERROR, "Failed to verify the signature of: %s\n",
846 return OPKG_INSTALL_ERR_SIGNATURE;
849 opkg_message(conf, OPKG_ERROR, "Signature file is missing. "
850 "Perhaps you need to run 'opkg update'?\n");
851 return OPKG_INSTALL_ERR_SIGNATURE;
855 free (list_file_name);
856 free (sig_file_name);
860 /* Check for md5 values */
863 file_md5 = file_md5sum_alloc(pkg->local_filename);
864 if (file_md5 && strcmp(file_md5, pkg->md5sum))
866 opkg_message(conf, OPKG_ERROR,
867 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
870 return OPKG_INSTALL_ERR_MD5;
877 /* Check for sha256 value */
880 file_sha256 = file_sha256sum_alloc(pkg->local_filename);
881 if (file_sha256 && strcmp(file_sha256, pkg->sha256sum))
883 opkg_message(conf, OPKG_ERROR,
884 "Package %s sha256sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
887 return OPKG_INSTALL_ERR_SHA256;
894 if (pkg->tmp_unpack_dir == NULL) {
895 unpack_pkg_control_files(conf, pkg);
898 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
899 /* Pigi: check if it will pass from here when replacing. It seems to fail */
900 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
901 err = update_file_ownership(conf, pkg, old_pkg);
902 if (err) { return OPKG_ERR_UNKNOWN; }
904 if (conf->nodeps == 0) {
905 err = satisfy_dependencies_for(conf, pkg);
906 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
907 if (pkg->state_status == SS_UNPACKED)
908 /* Circular dependency has installed it for us. */
912 replacees = pkg_vec_alloc();
913 pkg_get_installed_replacees(conf, pkg, replacees);
915 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
917 sigset_t newset, oldset;
919 sigemptyset(&newset);
920 sigaddset(&newset, SIGINT);
921 sigprocmask(SIG_BLOCK, &newset, &oldset);
923 opkg_state_changed++;
924 pkg->state_flag |= SF_FILELIST_CHANGED;
926 pkg_remove_orphan_dependent(conf, pkg, old_pkg);
928 /* XXX: BUG: we really should treat replacement more like an upgrade
929 * Instead, we're going to remove the replacees
931 err = pkg_remove_installed_replacees(conf, replacees);
932 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
934 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
935 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
937 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
938 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
940 err = preinst_configure(conf, pkg, old_pkg);
941 if (err) goto UNWIND_PREINST_CONFIGURE;
943 err = backup_modified_conffiles(conf, pkg, old_pkg);
944 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
946 err = check_data_file_clashes(conf, pkg, old_pkg);
947 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
949 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
950 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
952 if (conf->noaction) return 0;
954 /* point of no return: no unwinding after this */
955 if (old_pkg && !conf->force_reinstall) {
956 old_pkg->state_want = SW_DEINSTALL;
958 if (old_pkg->state_flag & SF_NOPRUNE) {
959 opkg_message(conf, OPKG_INFO,
960 " not removing obsolesced files because package marked noprune\n");
962 opkg_message(conf, OPKG_INFO,
963 " removing obsolesced files\n");
964 remove_obsolesced_files(conf, pkg, old_pkg);
966 /* removing files from old package, to avoid ghost files */
967 remove_data_files_and_list(conf, old_pkg);
968 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
969 remove_maintainer_scripts_except_postrm(conf, old_pkg);
970 remove_postrm(conf, old_pkg);
976 opkg_message(conf, OPKG_INFO,
977 " installing maintainer scripts\n");
978 install_maintainer_scripts(conf, pkg, old_pkg);
980 /* the following just returns 0 */
981 remove_disappeared(conf, pkg);
983 opkg_message(conf, OPKG_INFO,
984 " installing data files\n");
985 install_data_files(conf, pkg);
987 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
988 err = check_data_file_clashes_change(conf, pkg, old_pkg);
990 opkg_message(conf, OPKG_INFO,
991 " resolving conf files\n");
992 resolve_conffiles(conf, pkg);
994 pkg->state_status = SS_UNPACKED;
995 old_state_flag = pkg->state_flag;
996 pkg->state_flag &= ~SF_PREFER;
997 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
999 if (old_pkg && !conf->force_reinstall) {
1000 old_pkg->state_status = SS_NOT_INSTALLED;
1003 time(&pkg->installed_time);
1005 opkg_message(conf, OPKG_INFO,
1006 " cleanup temp files\n");
1007 cleanup_temporary_files(conf, pkg);
1009 ab_pkg = pkg->parent;
1011 ab_pkg->state_status = pkg->state_status;
1013 opkg_message(conf, OPKG_INFO, "Done.\n");
1015 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1016 pkg_vec_free (replacees);
1020 UNWIND_POSTRM_UPGRADE_OLD_PKG:
1021 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1022 UNWIND_CHECK_DATA_FILE_CLASHES:
1023 check_data_file_clashes_unwind(conf, pkg, old_pkg);
1024 UNWIND_BACKUP_MODIFIED_CONFFILES:
1025 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
1026 UNWIND_PREINST_CONFIGURE:
1027 preinst_configure_unwind(conf, pkg, old_pkg);
1028 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
1029 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
1030 UNWIND_PRERM_UPGRADE_OLD_PKG:
1031 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1032 UNWIND_REMOVE_INSTALLED_REPLACEES:
1033 pkg_remove_installed_replacees_unwind(conf, replacees);
1035 opkg_message(conf, OPKG_INFO,
1036 " cleanup temp files\n");
1037 cleanup_temporary_files(conf, pkg);
1039 opkg_message(conf, OPKG_INFO,
1042 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1044 pkg_vec_free (replacees);
1045 return OPKG_ERR_UNKNOWN;
1049 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1051 /* DPKG_INCOMPATIBILITY:
1052 dpkg does some things here that we don't do yet. Do we care?
1054 1. If a version of the package is already installed, call
1055 old-prerm upgrade new-version
1056 2. If the script runs but exits with a non-zero exit status
1057 new-prerm failed-upgrade old-version
1058 Error unwind, for both the above cases:
1059 old-postinst abort-upgrade new-version
1064 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1066 /* DPKG_INCOMPATIBILITY:
1067 dpkg does some things here that we don't do yet. Do we care?
1068 (See prerm_upgrade_old_package for details)
1073 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1075 /* DPKG_INCOMPATIBILITY:
1076 dpkg does some things here that we don't do yet. Do we care?
1077 2. If a 'conflicting' package is being removed at the same time:
1078 1. If any packages depended on that conflicting package and
1079 --auto-deconfigure is specified, call, for each such package:
1080 deconfigured's-prerm deconfigure \
1081 in-favour package-being-installed version \
1082 removing conflicting-package version
1084 deconfigured's-postinst abort-deconfigure \
1085 in-favour package-being-installed-but-failed version \
1086 removing conflicting-package version
1088 The deconfigured packages are marked as requiring
1089 configuration, so that if --install is used they will be
1090 configured again if possible.
1091 2. To prepare for removal of the conflicting package, call:
1092 conflictor's-prerm remove in-favour package new-version
1094 conflictor's-postinst abort-remove in-favour package new-version
1099 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1101 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1102 do yet. Do we care? (See prerm_deconfigure_conflictors for
1107 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1113 char *old_version = pkg_version_str_alloc(old_pkg);
1114 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1116 } else if (pkg->state_status == SS_CONFIG_FILES) {
1117 char *pkg_version = pkg_version_str_alloc(pkg);
1118 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1121 preinst_args = xstrdup("install");
1124 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1126 opkg_message(conf, OPKG_ERROR,
1127 "Aborting installation of %s\n", pkg->name);
1136 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1138 /* DPKG_INCOMPATIBILITY:
1139 dpkg does the following error unwind, should we?
1140 pkg->postrm abort-upgrade old-version
1141 OR pkg->postrm abort-install old-version
1142 OR pkg->postrm abort-install
1147 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1150 conffile_list_elt_t *iter;
1153 if (conf->noaction) return 0;
1155 /* Backup all modified conffiles */
1157 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1161 cf_name = root_filename_alloc(conf, cf->name);
1163 /* Don't worry if the conffile is just plain gone */
1164 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1165 err = backup_make_backup(conf, cf_name);
1174 /* Backup all conffiles that were not conffiles in old_pkg */
1175 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1177 cf = (conffile_t *)iter->data;
1178 cf_name = root_filename_alloc(conf, cf->name);
1179 /* Ignore if this was a conffile in old_pkg as well */
1180 if (pkg_get_conffile(old_pkg, cf->name)) {
1184 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1185 err = backup_make_backup(conf, cf_name);
1196 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1198 conffile_list_elt_t *iter;
1201 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1202 backup_remove(((nv_pair_t *)iter->data)->name);
1206 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1207 backup_remove(((nv_pair_t *)iter->data)->name);
1214 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1216 /* DPKG_INCOMPATIBILITY:
1217 opkg takes a slightly different approach than dpkg at this
1218 point. dpkg installs each file in the new package while
1219 creating a backup for any file that is replaced, (so that it
1220 can unwind if necessary). To avoid complexity and redundant
1221 storage, opkg doesn't do any installation until later, (at the
1222 point at which dpkg removes the backups.
1224 But, we do have to check for data file clashes, since after
1225 installing a package with a file clash, removing either of the
1226 packages involved in the clash has the potential to break the
1229 str_list_t *files_list;
1230 str_list_elt_t *iter, *niter;
1234 files_list = pkg_get_installed_files(pkg);
1235 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1237 iter = niter, niter = str_list_next(files_list, iter)) {
1238 char *root_filename;
1239 char *filename = (char *) iter->data;
1240 root_filename = root_filename_alloc(conf, filename);
1241 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1244 /* Pre-existing conffiles are OK */
1245 /* @@@@ should have way to check that it is a conffile -Jamey */
1246 if (backup_exists_for(root_filename)) {
1250 /* Pre-existing files are OK if force-overwrite was asserted. */
1251 if (conf->force_overwrite) {
1252 /* but we need to change who owns this file */
1253 file_hash_set_file_owner(conf, filename, pkg);
1257 owner = file_hash_get_file_owner(conf, filename);
1259 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1260 if (owner && old_pkg) {
1261 if (strcmp(owner->name, old_pkg->name) == 0) {
1266 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1268 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1269 if (pkg_replaces(pkg, owner)) {
1272 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1273 then it's ok to overwrite. */
1274 if (strcmp(owner->name,pkg->name)==0){
1275 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1280 /* Pre-existing files are OK if they are obsolete */
1281 obs = hash_table_get(&conf->obs_file_hash, filename);
1283 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1287 /* We have found a clash. */
1288 opkg_message(conf, OPKG_ERROR,
1289 "Package %s wants to install file %s\n"
1290 "\tBut that file is already provided by package ",
1291 pkg->name, filename);
1293 opkg_message(conf, OPKG_ERROR,
1294 "%s\n", owner->name);
1296 opkg_message(conf, OPKG_ERROR,
1297 "<no package>\nPlease move this file out of the way and try again.\n");
1301 free(root_filename);
1303 pkg_free_installed_files(pkg);
1308 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1310 /* Basically that's the worst hack I could do to be able to change ownership of
1311 file list, but, being that we have no way to unwind the mods, due to structure
1312 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1313 What we do here is change the ownership of file in hash if a replace ( or similar events
1315 Only the action that are needed to change name should be considered.
1316 @@@ To change after 1.0 release.
1318 str_list_t *files_list;
1319 str_list_elt_t *iter, *niter;
1321 char *root_filename = NULL;
1325 files_list = pkg_get_installed_files(pkg);
1326 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1328 iter = niter, niter = str_list_next(files_list, niter)) {
1329 char *filename = (char *) iter->data;
1330 if (root_filename) {
1331 free(root_filename);
1332 root_filename = NULL;
1334 root_filename = root_filename_alloc(conf, filename);
1335 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1338 owner = file_hash_get_file_owner(conf, filename);
1340 if (conf->force_overwrite) {
1341 /* but we need to change who owns this file */
1342 file_hash_set_file_owner(conf, filename, pkg);
1347 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1349 if (pkg_replaces(pkg, owner)) {
1350 /* It's now time to change the owner of that file.
1351 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1352 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1353 file_hash_set_file_owner(conf, filename, pkg);
1360 if (root_filename) {
1361 free(root_filename);
1362 root_filename = NULL;
1364 pkg_free_installed_files(pkg);
1369 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1371 /* Nothing to do since check_data_file_clashes doesn't change state */
1375 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1377 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1378 1. If the package is being upgraded, call
1379 old-postrm upgrade new-version
1380 2. If this fails, attempt:
1381 new-postrm failed-upgrade old-version
1382 Error unwind, for both cases:
1383 old-preinst abort-upgrade new-version */
1387 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1389 /* DPKG_INCOMPATIBILITY:
1390 dpkg does some things here that we don't do yet. Do we care?
1391 (See postrm_upgrade_old_pkg for details)
1396 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1399 str_list_t *old_files;
1401 str_list_t *new_files;
1403 hash_table_t new_files_table;
1405 if (old_pkg == NULL) {
1409 old_files = pkg_get_installed_files(old_pkg);
1410 new_files = pkg_get_installed_files(pkg);
1412 new_files_table.entries = NULL;
1413 hash_table_init("new_files" , &new_files_table, 20);
1414 for (nf = str_list_first(new_files); nf; nf = str_list_next(new_files, nf)) {
1416 hash_table_insert(&new_files_table, nf->data, nf->data);
1419 for (of = str_list_first(old_files); of; of = str_list_next(old_files, of)) {
1422 old = (char *)of->data;
1423 new = (char *) hash_table_get (&new_files_table, old);
1427 if (file_is_dir(old)) {
1430 owner = file_hash_get_file_owner(conf, old);
1431 if (owner != old_pkg) {
1432 /* in case obsolete file no longer belongs to old_pkg */
1436 /* old file is obsolete */
1437 opkg_message(conf, OPKG_INFO,
1438 " removing obsolete file %s\n", old);
1439 if (!conf->noaction) {
1442 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1448 hash_table_deinit(&new_files_table);
1449 pkg_free_installed_files(old_pkg);
1450 pkg_free_installed_files(pkg);
1455 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1460 sprintf_alloc(&prefix, "%s.", pkg->name);
1461 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1462 pkg->dest->info_dir,
1468 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1470 /* DPKG_INCOMPATIBILITY:
1471 This is a fairly sophisticated dpkg operation. Shall we
1474 /* Any packages all of whose files have been overwritten during the
1475 installation, and which aren't required for dependencies, are
1476 considered to have been removed. For each such package
1477 1. disappearer's-postrm disappear overwriter overwriter-version
1478 2. The package's maintainer scripts are removed
1479 3. It is noted in the status database as being in a sane state,
1480 namely not installed (any conffiles it may have are ignored,
1481 rather than being removed by dpkg). Note that disappearing
1482 packages do not have their prerm called, because dpkg doesn't
1483 know in advance that the package is going to vanish.
1488 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1492 /* opkg takes a slightly different approach to data file backups
1493 than dpkg. Rather than removing backups at this point, we
1494 actually do the data file installation now. See comments in
1495 check_data_file_clashes() for more details. */
1497 opkg_message(conf, OPKG_INFO,
1498 " extracting data files to %s\n", pkg->dest->root_dir);
1499 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1504 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1505 so we can't save ourself from removing important packages
1506 At this point we (should) have extracted the .control file, so it
1507 would be a good idea to reload the data in it, and set the Essential
1508 state in *pkg. From now on the Essential is back in status file and
1509 we can protect again.
1510 We should operate this way:
1511 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1512 check for "Essential" in it
1513 set the value in pkg->essential.
1514 This new routine could be useful also for every other flag
1516 set_flags_from_control(conf, pkg) ;
1518 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1519 err = pkg_write_filelist(conf, pkg);
1523 /* XXX: FEATURE: opkg should identify any files which existed
1524 before installation and which were overwritten, (see
1525 check_data_file_clashes()). What it must do is remove any such
1526 files from the filelist of the old package which provided the
1527 file. Otherwise, if the old package were removed at some point
1528 it would break the new package. Removing the new package will
1529 also break the old one, but this cannot be helped since the old
1530 package's file has already been deleted. This is the importance
1531 of check_data_file_clashes(), and only allowing opkg to install
1532 a clashing package with a user force. */
1537 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1539 conffile_list_elt_t *iter;
1544 if (conf->noaction) return 0;
1546 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1547 char *root_filename;
1548 cf = (conffile_t *)iter->data;
1549 root_filename = root_filename_alloc(conf, cf->name);
1551 /* Might need to initialize the md5sum for each conffile */
1552 if (cf->value == NULL) {
1553 cf->value = file_md5sum_alloc(root_filename);
1556 if (!file_exists(root_filename)) {
1557 free(root_filename);
1561 cf_backup = backup_filename_alloc(root_filename);
1564 if (file_exists(cf_backup)) {
1565 /* Let's compute md5 to test if files are changed */
1566 md5sum = file_md5sum_alloc(cf_backup);
1567 if (md5sum && cf->value && strcmp(cf->value,md5sum) != 0 ) {
1568 if (conf->force_maintainer) {
1569 opkg_message(conf, OPKG_NOTICE, "Conffile %s using maintainer's setting.\n", cf_backup);
1570 } else if (conf->force_defaults
1571 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1572 rename(cf_backup, root_filename);
1581 free(root_filename);
1587 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1590 const char *short_file_name;
1592 short_file_name = strrchr(file_name, '/');
1593 if (short_file_name) {
1596 short_file_name = file_name;
1600 response = get_user_response(" Configuration file '%s'\n"
1601 " ==> File on system created by you or by a script.\n"
1602 " ==> File also in package provided by package maintainer.\n"
1603 " What would you like to do about it ? Your options are:\n"
1604 " Y or I : install the package maintainer's version\n"
1605 " N or O : keep your currently-installed version\n"
1606 " D : show the differences between the versions (if diff is installed)\n"
1607 " The default action is to keep your current version.\n"
1608 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1609 if (strcmp(response, "y") == 0
1610 || strcmp(response, "i") == 0
1611 || strcmp(response, "yes") == 0) {
1616 if (strcmp(response, "d") == 0) {
1620 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1621 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1624 printf(" [Press ENTER to continue]\n");
1625 response = file_read_line_alloc(stdin);
1635 /* XXX: CLEANUP: I'd like to move all of the code for
1636 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1637 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1638 pkg_deinit for example). */
1639 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1642 struct dirent *dirent;
1645 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1647 opkg_message(conf, OPKG_DEBUG,
1648 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1649 __FUNCTION__, pkg->tmp_unpack_dir);
1653 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1654 tmp_dir = opendir(pkg->tmp_unpack_dir);
1657 dirent = readdir(tmp_dir);
1658 if (dirent == NULL) {
1661 sprintf_alloc(&tmp_file, "%s/%s",
1662 pkg->tmp_unpack_dir, dirent->d_name);
1663 if (! file_is_dir(tmp_file)) {
1669 rmdir(pkg->tmp_unpack_dir);
1670 free(pkg->tmp_unpack_dir);
1671 pkg->tmp_unpack_dir = NULL;
1675 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1676 pkg->name, pkg->local_filename, conf->tmp_dir);
1677 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1678 unlink(pkg->local_filename);
1679 free(pkg->local_filename);
1680 pkg->local_filename = NULL;
1686 static char *backup_filename_alloc(const char *file_name)
1690 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1695 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1700 backup = backup_filename_alloc(file_name);
1701 err = file_copy(file_name, backup);
1703 opkg_message(conf, OPKG_ERROR,
1704 "%s: Failed to copy %s to %s\n",
1705 __FUNCTION__, file_name, backup);
1713 static int backup_exists_for(const char *file_name)
1718 backup = backup_filename_alloc(file_name);
1720 ret = file_exists(backup);
1727 static int backup_remove(const char *file_name)
1731 backup = backup_filename_alloc(file_name);