1 /* opkg_install.c - the opkg package management system
5 Copyright (C) 2001 University of Southern California
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
25 typedef void (*sighandler_t)(int);
30 #include "pkg_extract.h"
32 #include "opkg_install.h"
33 #include "opkg_configure.h"
34 #include "opkg_download.h"
35 #include "opkg_remove.h"
37 #include "opkg_utils.h"
38 #include "opkg_message.h"
39 #include "opkg_state.h"
40 #include "opkg_defines.h"
42 #include "sprintf_alloc.h"
43 #include "file_util.h"
48 int satisfy_dependencies_for(opkg_conf_t *conf, pkg_t *pkg);
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;
93 err = pkg_init_from_file(pkg, filename);
98 if (!pkg->architecture) {
99 opkg_message(conf, OPKG_ERROR, "Package %s has no Architecture defined.\n", pkg->name);
103 /* XXX: CLEANUP: hash_insert_pkg has a nasty side effect of possibly
104 freeing the pkg that we pass in. It might be nice to clean this up
106 pkg = hash_insert_pkg(&conf->pkg_hash, pkg, 1,conf);
107 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
109 pkg->local_filename = strdup(filename);
112 old_version = pkg_version_str_alloc(old);
113 new_version = pkg_version_str_alloc(pkg);
115 cmp = pkg_compare_versions(old, pkg);
116 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
117 cmp = -1 ; /* then we force opkg to downgrade */
118 /* We need to use a value < 0 because in the 0 case we are asking to */
119 /* reinstall, and some check could fail asking the "force-reinstall" option */
122 opkg_message(conf, OPKG_NOTICE,
123 "Not downgrading package %s on %s from %s to %s.\n",
124 old->name, old->dest->name, old_version, new_version);
125 pkg->state_want = SW_DEINSTALL;
126 pkg->state_flag |= SF_OBSOLETE;
136 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
137 return opkg_install_pkg(conf, pkg,0);
140 opkg_error_t opkg_install_by_name(opkg_conf_t *conf, const char *pkg_name)
144 char *old_version, *new_version;
146 opkg_message(conf, OPKG_DEBUG2, " Getting old from pkg_hash_fetch \n" );
147 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
149 opkg_message(conf, OPKG_DEBUG2, " Old versions from pkg_hash_fetch %s \n", old->version );
151 opkg_message(conf, OPKG_DEBUG2, " Getting new from pkg_hash_fetch \n" );
152 new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name, &err);
154 opkg_message(conf, OPKG_DEBUG2, " New versions from pkg_hash_fetch %s \n", new->version );
156 /* Pigi Basically here is broken the version stuff.
157 What's happening is that nothing provide the version to differents
158 functions, so the returned struct is always the latest.
159 That's why the install by name don't work.
161 opkg_message(conf, OPKG_DEBUG2, " Versions from pkg_hash_fetch in %s ", __FUNCTION__ );
164 opkg_message(conf, OPKG_DEBUG2, " old %s ", old->version );
166 opkg_message(conf, OPKG_DEBUG2, " new %s ", new->version );
167 opkg_message(conf, OPKG_DEBUG2, " \n");
173 return OPKG_PKG_HAS_NO_CANDIDATE;
176 new->state_flag |= SF_USER;
178 old_version = pkg_version_str_alloc(old);
179 new_version = pkg_version_str_alloc(new);
181 cmp = pkg_compare_versions(old, new);
182 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
183 opkg_message(conf, OPKG_DEBUG, " Forcing downgrade \n");
184 cmp = -1 ; /* then we force opkg to downgrade */
185 /* We need to use a value < 0 because in the 0 case we are asking to */
186 /* reinstall, and some check could fail asking the "force-reinstall" option */
188 opkg_message(conf, OPKG_DEBUG,
189 "Comparing visible versions of pkg %s:"
190 "\n\t%s is installed "
191 "\n\t%s is available "
192 "\n\t%d was comparison result\n",
193 pkg_name, old_version, new_version, cmp);
194 if (cmp == 0 && !conf->force_reinstall) {
195 opkg_message(conf, OPKG_NOTICE,
196 "Package %s (%s) installed in %s is up to date.\n",
197 old->name, old_version, old->dest->name);
201 } else if (cmp > 0) {
202 opkg_message(conf, OPKG_NOTICE,
203 "Not downgrading package %s on %s from %s to %s.\n",
204 old->name, old->dest->name, old_version, new_version);
208 } else if (cmp < 0) {
209 new->dest = old->dest;
210 old->state_want = SW_DEINSTALL; /* Here probably the problem for bug 1277 */
214 /* XXX: CLEANUP: The error code of opkg_install_by_name is really
215 supposed to be an opkg_error_t, but opkg_install_pkg could
216 return any kind of integer, (might be errno from a syscall,
217 etc.). This is a real mess and will need to be cleaned up if
218 anyone ever wants to make a nice libopkg. */
220 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
221 return opkg_install_pkg(conf, new,0);
224 opkg_error_t opkg_install_multi_by_name(opkg_conf_t *conf, const char *pkg_name)
226 abstract_pkg_vec_t *providers = pkg_hash_fetch_all_installation_candidates (&conf->pkg_hash, pkg_name);
229 abstract_pkg_t *ppkg ;
231 if (providers == NULL)
232 return OPKG_PKG_HAS_NO_CANDIDATE;
234 for (i = 0; i < providers->len; i++) {
235 ppkg = abstract_pkg_vec_get(providers, i);
236 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_by_name %d \n",__FUNCTION__, i);
237 err = opkg_install_by_name(conf, ppkg->name);
240 /* XXX Maybe ppkg should be freed ? */
246 * Walk dependence graph starting with pkg, collect packages to be
247 * installed into pkgs_needed, in dependence order.
249 int pkg_mark_dependencies_for_installation(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *pkgs_needed)
252 pkg_vec_t *depends = pkg_vec_alloc();
253 char **unresolved = NULL;
256 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
261 opkg_message(conf, OPKG_ERROR,
262 "%s: Cannot satisfy the following dependencies for %s:\n\t",
263 conf->force_depends ? "Warning" : "ERROR", pkg->name);
264 while (*unresolved) {
265 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
268 opkg_message(conf, OPKG_ERROR, "\n");
269 if (! conf->force_depends) {
270 opkg_message(conf, OPKG_INFO,
271 "This could mean that your package list is out of date or that the packages\n"
272 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
273 "of this problem try again with the '-force-depends' option.\n");
274 pkg_vec_free(depends);
275 return OPKG_PKG_DEPS_UNSATISFIED;
280 pkg_vec_free(depends);
284 for (i = 0; i < depends->len; i++) {
285 pkg_t *dep = depends->pkgs[i];
286 /* The package was uninstalled when we started, but another
287 dep earlier in this loop may have depended on it and pulled
288 it in, so check first. */
289 if ((dep->state_status != SS_INSTALLED)
290 && (dep->state_status != SS_UNPACKED)
291 && (dep->state_want != SW_INSTALL)) {
293 /* Mark packages as to-be-installed */
294 dep->state_want = SW_INSTALL;
296 /* Dependencies should be installed the same place as pkg */
297 if (dep->dest == NULL) {
298 dep->dest = pkg->dest;
301 err = pkg_mark_dependencies_for_installation(conf, dep, pkgs_needed);
303 pkg_vec_free(depends);
309 pkg_vec_insert(pkgs_needed, pkg);
311 pkg_vec_free(depends);
316 int name_mark_dependencies_for_installation(opkg_conf_t *conf, const char *pkg_name, pkg_vec_t *pkgs_needed)
320 char *old_version, *new_version;
322 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
324 new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name);
326 return OPKG_PKG_HAS_NO_CANDIDATE;
329 old_version = pkg_version_str_alloc(old);
330 new_version = pkg_version_str_alloc(new);
332 cmp = pkg_compare_versions(old, new);
333 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
334 opkg_message(conf, OPKG_DEBUG, " Forcing downgrade ");
335 cmp = -1 ; /* then we force opkg to downgrade */
336 /* We need to use a value < 0 because in the 0 case we are asking to */
337 /* reinstall, and some check could fail asking the "force-reinstall" option */
339 opkg_message(conf, OPKG_DEBUG,
340 "comparing visible versions of pkg %s:"
341 "\n\t%s is installed "
342 "\n\t%s is available "
343 "\n\t%d was comparison result\n",
344 pkg_name, old_version, new_version, cmp);
345 if (cmp == 0 && !conf->force_reinstall) {
346 opkg_message(conf, OPKG_NOTICE,
347 "Package %s (%s) installed in %s is up to date.\n",
348 old->name, old_version, old->dest->name);
352 } else if (cmp > 0) {
353 opkg_message(conf, OPKG_NOTICE,
354 "Not downgrading package %s on %s from %s to %s.\n",
355 old->name, old->dest->name, old_version, new_version);
359 } else if (cmp < 0) {
360 new->dest = old->dest;
361 old->state_want = SW_DEINSTALL;
362 old->state_flag |= SF_OBSOLETE;
365 return pkg_mark_dependencies_for_installation(conf, new, pkgs_needed);
370 int satisfy_dependencies_for(opkg_conf_t *conf, pkg_t *pkg)
373 pkg_vec_t *depends = pkg_vec_alloc();
375 char **unresolved = NULL;
378 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
383 opkg_message(conf, OPKG_ERROR,
384 "%s: Cannot satisfy the following dependencies for %s:\n\t",
385 conf->force_depends ? "Warning" : "ERROR", pkg->name);
386 while (*unresolved) {
387 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
390 opkg_message(conf, OPKG_ERROR, "\n");
391 if (! conf->force_depends) {
392 opkg_message(conf, OPKG_INFO,
393 "This could mean that your package list is out of date or that the packages\n"
394 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
395 "of this problem try again with the '-force-depends' option.\n");
396 pkg_vec_free(depends);
397 return OPKG_PKG_DEPS_UNSATISFIED;
402 pkg_vec_free(depends);
406 /* Mark packages as to-be-installed */
407 for (i=0; i < depends->len; i++) {
408 /* Dependencies should be installed the same place as pkg */
409 if (depends->pkgs[i]->dest == NULL) {
410 depends->pkgs[i]->dest = pkg->dest;
412 depends->pkgs[i]->state_want = SW_INSTALL;
415 for (i = 0; i < depends->len; i++) {
416 dep = depends->pkgs[i];
417 /* The package was uninstalled when we started, but another
418 dep earlier in this loop may have depended on it and pulled
419 it in, so check first. */
420 if ((dep->state_status != SS_INSTALLED)
421 && (dep->state_status != SS_UNPACKED)) {
422 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
423 err = opkg_install_pkg(conf, dep,0);
424 /* mark this package as having been automatically installed to
425 * satisfy a dependancy */
426 dep->auto_installed = 1;
428 pkg_vec_free(depends);
434 pkg_vec_free(depends);
440 /* check all packages have their dependences satisfied, e.g., in case an upgraded package split */
441 int opkg_satisfy_all_dependences(opkg_conf_t *conf)
443 if (conf->nodeps == 0) {
445 pkg_vec_t *installed = pkg_vec_alloc();
446 pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
447 for (i = 0; i < installed->len; i++) {
448 pkg_t *pkg = installed->pkgs[i];
449 satisfy_dependencies_for(conf, pkg);
451 pkg_vec_free(installed);
458 static int check_conflicts_for(opkg_conf_t *conf, pkg_t *pkg)
461 pkg_vec_t *conflicts = NULL;
464 if (conf->force_depends) {
472 if (!conf->force_depends)
473 conflicts = (pkg_vec_t *)pkg_hash_fetch_conflicts(&conf->pkg_hash, pkg);
476 opkg_message(conf, level,
477 "%s: The following packages conflict with %s:\n\t", prefix, pkg->name);
479 while (i < conflicts->len)
480 opkg_message(conf, level, " %s", conflicts->pkgs[i++]->name);
481 opkg_message(conf, level, "\n");
482 pkg_vec_free(conflicts);
483 return OPKG_PKG_DEPS_UNSATISFIED;
488 static int update_file_ownership(opkg_conf_t *conf, pkg_t *new_pkg, pkg_t *old_pkg)
490 str_list_t *new_list = pkg_get_installed_files(new_pkg);
491 str_list_elt_t *iter;
493 for (iter = new_list->head; iter; iter = iter->next) {
494 char *new_file = iter->data;
495 pkg_t *owner = file_hash_get_file_owner(conf, new_file);
497 opkg_message(conf, OPKG_ERROR, "Null new_file for new_pkg=%s\n", new_pkg->name);
498 if (!owner || (owner == old_pkg))
499 file_hash_set_file_owner(conf, new_file, new_pkg);
502 str_list_t *old_list = pkg_get_installed_files(old_pkg);
503 for (iter = old_list->head; iter; iter = iter->next) {
504 char *old_file = iter->data;
505 pkg_t *owner = file_hash_get_file_owner(conf, old_file);
506 if (owner == old_pkg) {
508 hash_table_insert(&conf->obs_file_hash, old_file, old_pkg);
511 pkg_free_installed_files(old_pkg);
513 pkg_free_installed_files(new_pkg);
517 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg)
519 /* XXX: FEATURE: Anything else needed here? Maybe a check on free space? */
521 /* sma 6.20.02: yup; here's the first bit */
523 * XXX: BUG easy for cworth
524 * 1) please point the call below to the correct current root destination
525 * 2) we need to resolve how to check the required space for a pending pkg,
526 * my diddling with the .opk file size below isn't going to cut it.
527 * 3) return a proper error code instead of 1
529 int comp_size, blocks_available;
531 if (!conf->force_space && pkg->installed_size != NULL) {
532 blocks_available = get_available_blocks(conf->default_dest->root_dir);
534 comp_size = strtoul(pkg->installed_size, NULL, 0);
535 /* round up a blocks count without doing fancy-but-slow casting jazz */
536 comp_size = (int)((comp_size + 1023) / 1024);
538 if (comp_size >= blocks_available) {
539 opkg_message(conf, OPKG_ERROR,
540 "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
541 blocks_available, conf->default_dest->root_dir, pkg->name, comp_size);
548 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg)
551 char *conffiles_file_name;
553 FILE *conffiles_file;
555 sprintf_alloc(&pkg->tmp_unpack_dir, "%s/%s-XXXXXX", conf->tmp_dir, pkg->name);
557 pkg->tmp_unpack_dir = mkdtemp(pkg->tmp_unpack_dir);
558 if (pkg->tmp_unpack_dir == NULL) {
559 opkg_message(conf, OPKG_ERROR,
560 "%s: Failed to create temporary directory '%s': %s\n",
561 __FUNCTION__, pkg->tmp_unpack_dir, strerror(errno));
565 err = pkg_extract_control_files_to_dir(pkg, pkg->tmp_unpack_dir);
570 /* XXX: CLEANUP: There might be a cleaner place to read in the
571 conffiles. Seems like I should be able to get everything to go
572 through pkg_init_from_file. If so, maybe it would make sense to
573 move all of unpack_pkg_control_files to that function. */
575 /* Don't need to re-read conffiles if we already have it */
576 if (pkg->conffiles.head) {
580 sprintf_alloc(&conffiles_file_name, "%s/conffiles", pkg->tmp_unpack_dir);
581 if (! file_exists(conffiles_file_name)) {
582 free(conffiles_file_name);
586 conffiles_file = fopen(conffiles_file_name, "r");
587 if (conffiles_file == NULL) {
588 fprintf(stderr, "%s: failed to open %s: %s\n",
589 __FUNCTION__, conffiles_file_name, strerror(errno));
590 free(conffiles_file_name);
593 free(conffiles_file_name);
597 char *cf_name_in_dest;
599 cf_name = file_read_line_alloc(conffiles_file);
600 if (cf_name == NULL) {
604 if (cf_name[0] == '\0') {
608 /* Prepend dest->root_dir to conffile name.
609 Take pains to avoid multiple slashes. */
610 root_dir = pkg->dest->root_dir;
611 if (conf->offline_root)
612 /* skip the offline_root prefix */
613 root_dir = pkg->dest->root_dir + strlen(conf->offline_root);
614 sprintf_alloc(&cf_name_in_dest, "%s%s", root_dir,
615 cf_name[0] == '/' ? (cf_name + 1) : cf_name);
617 /* Can't get an md5sum now, (file isn't extracted yet).
618 We'll wait until resolve_conffiles */
619 conffile_list_append(&pkg->conffiles, cf_name_in_dest, NULL);
622 free(cf_name_in_dest);
625 fclose(conffiles_file);
630 static int pkg_remove_orphan_dependent(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
638 fprintf(stderr, "pkg shall not be NULL here. please send to the bugzilla!! [%s %d]\n", __FILE__, __LINE__);
641 if (old_pkg->depends_count == 0)
643 for (i=0;i<old_pkg->depends_count;i++) {
645 for (j=0;j<pkg->depends_count;j++) {
646 if (!strcmp(old_pkg->depends_str[i], pkg->depends_str[j])) {
653 d_str = old_pkg->depends_str[i];
654 buf = malloc (strlen (d_str) + 1);
656 while (d_str[j] != '\0' && d_str[j] != ' ') {
661 buf = realloc (buf, strlen (buf) + 1);
662 p = pkg_hash_fetch_installed_by_name (&conf->pkg_hash, buf);
664 fprintf(stderr, "The pkg %s had been removed!!\n", buf);
668 if (p->auto_installed) {
670 abstract_pkg_t **dependents;
671 deps = pkg_has_installed_dependents(conf, NULL, p, &dependents);
673 opkg_message (conf, OPKG_NOTICE,"%s was autoinstalled but is now orphaned, remove it.\n", buf);
674 opkg_remove_pkg(conf, p, 0);
676 opkg_message (conf, OPKG_INFO, "%s was autoinstalled and is still required by %d installed packages\n", buf, deps);
683 /* returns number of installed replacees */
684 int pkg_get_installed_replacees(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
686 abstract_pkg_t **replaces = pkg->replaces;
687 int replaces_count = pkg->replaces_count;
689 for (i = 0; i < replaces_count; i++) {
690 abstract_pkg_t *ab_pkg = replaces[i];
691 pkg_vec_t *pkg_vec = ab_pkg->pkgs;
693 for (j = 0; j < pkg_vec->len; j++) {
694 pkg_t *replacee = pkg_vec->pkgs[j];
695 if (!pkg_conflicts(pkg, replacee))
697 if (replacee->state_status == SS_INSTALLED) {
698 pkg_vec_insert(installed_replacees, replacee);
703 return installed_replacees->len;
706 int pkg_remove_installed_replacees(opkg_conf_t *conf, pkg_vec_t *replacees)
709 int replaces_count = replacees->len;
710 for (i = 0; i < replaces_count; i++) {
711 pkg_t *replacee = replacees->pkgs[i];
713 replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
714 err = opkg_remove_pkg(conf, replacee,0);
721 /* to unwind the removal: make sure they are installed */
722 int pkg_remove_installed_replacees_unwind(opkg_conf_t *conf, pkg_vec_t *replacees)
725 int replaces_count = replacees->len;
726 for (i = 0; i < replaces_count; i++) {
727 pkg_t *replacee = replacees->pkgs[i];
728 if (replacee->state_status != SS_INSTALLED) {
729 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
730 err = opkg_install_pkg(conf, replacee,0);
738 int caught_sigint = 0;
739 static void opkg_install_pkg_sigint_handler(int sig)
744 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
745 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
748 char message_out[15];
749 char *old_version = pkg_version_str_alloc(old_pkg);
750 char *new_version = pkg_version_str_alloc(pkg);
751 int cmp = pkg_compare_versions(old_pkg, pkg);
754 memset(message_out,'\x0',15);
755 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
756 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
757 cmp = -1 ; /* then we force opkg to downgrade */
758 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
759 /* reinstall, and some check could fail asking the "force-reinstall" option */
763 opkg_message(conf, OPKG_NOTICE,
764 "Not downgrading package %s on %s from %s to %s.\n",
765 old_pkg->name, old_pkg->dest->name, old_version, new_version);
767 } else if (cmp < 0) {
768 opkg_message(conf, OPKG_NOTICE,
769 "%s%s on %s from %s to %s...\n",
770 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
771 pkg->dest = old_pkg->dest;
773 } else /* cmp == 0 */ {
774 if (conf->force_reinstall) {
775 opkg_message(conf, OPKG_NOTICE,
776 "Reinstalling %s (%s) on %s...\n",
777 pkg->name, new_version, old_pkg->dest->name);
778 pkg->dest = old_pkg->dest;
781 opkg_message(conf, OPKG_NOTICE,
782 "Not installing %s (%s) on %s -- already installed.\n",
783 pkg->name, new_version, old_pkg->dest->name);
791 char message_out[15] ;
792 memset(message_out,'\x0',15);
794 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
796 strncpy( message_out,"Installing ",strlen("Installing ") );
797 char *version = pkg_version_str_alloc(pkg);
799 opkg_message(conf, OPKG_NOTICE,
800 "%s%s (%s) to %s...\n", message_out,
801 pkg->name, version, pkg->dest->name);
807 /* and now the meat... */
808 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
812 pkg_t *old_pkg = NULL;
813 pkg_vec_t *replacees;
814 abstract_pkg_t *ab_pkg = NULL;
820 message = 1; /* Coming from an upgrade, and should change the output message */
823 opkg_message(conf, OPKG_ERROR,
824 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
825 return OPKG_INSTALL_ERR_INTERNAL;
828 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
830 if (!pkg_arch_supported(conf, pkg)) {
831 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
832 pkg->architecture, pkg->name);
833 return OPKG_INSTALL_ERR_INTERNAL;
835 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
836 err = satisfy_dependencies_for(conf, pkg);
837 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
839 opkg_message(conf, OPKG_NOTICE,
840 "Package %s is already installed in %s.\n",
841 pkg->name, pkg->dest->name);
845 if (pkg->dest == NULL) {
846 pkg->dest = conf->default_dest;
849 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
851 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
852 if (err) { return OPKG_INSTALL_ERR_NO_DOWNGRADE; }
854 pkg->state_want = SW_INSTALL;
856 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
860 /* Abhaya: conflicts check */
861 err = check_conflicts_for(conf, pkg);
862 if (err) { return OPKG_INSTALL_ERR_CONFLICTS; }
864 /* this setup is to remove the upgrade scenario in the end when
865 installing pkg A, A deps B & B deps on A. So both B and A are
866 installed. Then A's installation is started resulting in an
867 uncecessary upgrade */
868 if (pkg->state_status == SS_INSTALLED
869 && conf->force_reinstall == 0) return 0;
871 err = verify_pkg_installable(conf, pkg);
872 if (err) { return OPKG_INSTALL_ERR_NO_SPACE; }
874 if (pkg->local_filename == NULL) {
875 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
877 opkg_message(conf, OPKG_ERROR,
878 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
880 return OPKG_INSTALL_ERR_DOWNLOAD;
884 /* check that the repository is valid */
886 char *list_file_name, *sig_file_name, *lists_dir;
888 /* check to ensure the package has come from a repository */
891 sprintf_alloc (&lists_dir, "%s",
892 (conf->restrict_to_default_dest)
893 ? conf->default_dest->lists_dir
895 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, pkg->src->name);
896 sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, pkg->src->name);
898 if (file_exists (sig_file_name))
900 if (opkg_verify_file (conf, list_file_name, sig_file_name))
901 return OPKG_INSTALL_ERR_SIGNATURE;
905 free (list_file_name);
906 free (sig_file_name);
910 /* Check for md5 values */
913 file_md5 = file_md5sum_alloc(pkg->local_filename);
914 if (strcmp(file_md5, pkg->md5sum))
916 opkg_message(conf, OPKG_ERROR,
917 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
920 return OPKG_INSTALL_ERR_MD5;
925 if (pkg->tmp_unpack_dir == NULL) {
926 unpack_pkg_control_files(conf, pkg);
929 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
930 /* Pigi: check if it will pass from here when replacing. It seems to fail */
931 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
932 err = update_file_ownership(conf, pkg, old_pkg);
933 if (err) { return OPKG_ERR_UNKNOWN; }
935 if (conf->nodeps == 0) {
936 err = satisfy_dependencies_for(conf, pkg);
937 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
940 replacees = pkg_vec_alloc();
941 pkg_get_installed_replacees(conf, pkg, replacees);
943 sprintf_alloc (&pkgid, "%s;%s;%s;", pkg->name, pkg->version, pkg->architecture);
944 opkg_set_current_state (conf, OPKG_STATE_INSTALLING_PKG, pkgid);
947 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
949 sigset_t newset, oldset;
950 sighandler_t old_handler = NULL;
954 old_handler = signal(SIGINT, opkg_install_pkg_sigint_handler);
956 sigemptyset(&newset);
957 sigaddset(&newset, SIGINT);
958 sigprocmask(SIG_BLOCK, &newset, &oldset);
961 opkg_state_changed++;
962 pkg->state_flag |= SF_FILELIST_CHANGED;
964 pkg_remove_orphan_dependent(conf, pkg, old_pkg);
966 /* XXX: BUG: we really should treat replacement more like an upgrade
967 * Instead, we're going to remove the replacees
969 err = pkg_remove_installed_replacees(conf, replacees);
970 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
972 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
973 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
975 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
976 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
978 err = preinst_configure(conf, pkg, old_pkg);
979 if (err) goto UNWIND_PREINST_CONFIGURE;
981 err = backup_modified_conffiles(conf, pkg, old_pkg);
982 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
984 err = check_data_file_clashes(conf, pkg, old_pkg);
985 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
987 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
988 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
990 if (conf->noaction) return 0;
992 /* point of no return: no unwinding after this */
993 if (old_pkg && !conf->force_reinstall) {
994 old_pkg->state_want = SW_DEINSTALL;
996 if (old_pkg->state_flag & SF_NOPRUNE) {
997 opkg_message(conf, OPKG_INFO,
998 " not removing obsolesced files because package marked noprune\n");
1000 opkg_message(conf, OPKG_INFO,
1001 " removing obsolesced files\n");
1002 remove_obsolesced_files(conf, pkg, old_pkg);
1004 /* removing files from old package, to avoid ghost files */
1005 remove_data_files_and_list(conf, old_pkg);
1006 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
1007 remove_maintainer_scripts_except_postrm(conf, old_pkg);
1008 remove_postrm(conf, old_pkg);
1014 opkg_message(conf, OPKG_INFO,
1015 " installing maintainer scripts\n");
1016 install_maintainer_scripts(conf, pkg, old_pkg);
1018 /* the following just returns 0 */
1019 remove_disappeared(conf, pkg);
1021 opkg_message(conf, OPKG_INFO,
1022 " installing data files\n");
1023 install_data_files(conf, pkg);
1025 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
1026 err = check_data_file_clashes_change(conf, pkg, old_pkg);
1028 opkg_message(conf, OPKG_INFO,
1029 " resolving conf files\n");
1030 resolve_conffiles(conf, pkg);
1032 pkg->state_status = SS_UNPACKED;
1033 old_state_flag = pkg->state_flag;
1034 pkg->state_flag &= ~SF_PREFER;
1035 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
1037 if (old_pkg && !conf->force_reinstall) {
1038 old_pkg->state_status = SS_NOT_INSTALLED;
1041 time(&pkg->installed_time);
1043 opkg_message(conf, OPKG_INFO,
1044 " cleanup temp files\n");
1045 cleanup_temporary_files(conf, pkg);
1047 ab_pkg = pkg->parent;
1049 ab_pkg->state_status = pkg->state_status;
1051 opkg_message(conf, OPKG_INFO, "Done.\n");
1054 signal(SIGINT, old_handler);
1056 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1057 pkg_vec_free (replacees);
1061 UNWIND_POSTRM_UPGRADE_OLD_PKG:
1062 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1063 UNWIND_CHECK_DATA_FILE_CLASHES:
1064 check_data_file_clashes_unwind(conf, pkg, old_pkg);
1065 UNWIND_BACKUP_MODIFIED_CONFFILES:
1066 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
1067 UNWIND_PREINST_CONFIGURE:
1068 preinst_configure_unwind(conf, pkg, old_pkg);
1069 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
1070 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
1071 UNWIND_PRERM_UPGRADE_OLD_PKG:
1072 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1073 UNWIND_REMOVE_INSTALLED_REPLACEES:
1074 pkg_remove_installed_replacees_unwind(conf, replacees);
1076 opkg_message(conf, OPKG_INFO,
1077 " cleanup temp files\n");
1078 cleanup_temporary_files(conf, pkg);
1080 opkg_message(conf, OPKG_INFO,
1083 signal(SIGINT, old_handler);
1085 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1087 pkg_vec_free (replacees);
1088 return OPKG_ERR_UNKNOWN;
1090 opkg_set_current_state (conf, OPKG_STATE_NONE, NULL);
1093 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1095 /* DPKG_INCOMPATIBILITY:
1096 dpkg does some things here that we don't do yet. Do we care?
1098 1. If a version of the package is already installed, call
1099 old-prerm upgrade new-version
1100 2. If the script runs but exits with a non-zero exit status
1101 new-prerm failed-upgrade old-version
1102 Error unwind, for both the above cases:
1103 old-postinst abort-upgrade new-version
1108 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1110 /* DPKG_INCOMPATIBILITY:
1111 dpkg does some things here that we don't do yet. Do we care?
1112 (See prerm_upgrade_old_package for details)
1117 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1119 /* DPKG_INCOMPATIBILITY:
1120 dpkg does some things here that we don't do yet. Do we care?
1121 2. If a 'conflicting' package is being removed at the same time:
1122 1. If any packages depended on that conflicting package and
1123 --auto-deconfigure is specified, call, for each such package:
1124 deconfigured's-prerm deconfigure \
1125 in-favour package-being-installed version \
1126 removing conflicting-package version
1128 deconfigured's-postinst abort-deconfigure \
1129 in-favour package-being-installed-but-failed version \
1130 removing conflicting-package version
1132 The deconfigured packages are marked as requiring
1133 configuration, so that if --install is used they will be
1134 configured again if possible.
1135 2. To prepare for removal of the conflicting package, call:
1136 conflictor's-prerm remove in-favour package new-version
1138 conflictor's-postinst abort-remove in-favour package new-version
1143 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1145 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1146 do yet. Do we care? (See prerm_deconfigure_conflictors for
1151 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1157 char *old_version = pkg_version_str_alloc(old_pkg);
1158 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1160 } else if (pkg->state_status == SS_CONFIG_FILES) {
1161 char *pkg_version = pkg_version_str_alloc(pkg);
1162 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1165 preinst_args = strdup("install");
1168 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1170 opkg_message(conf, OPKG_ERROR,
1171 "Aborting installation of %s\n", pkg->name);
1180 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1182 /* DPKG_INCOMPATIBILITY:
1183 dpkg does the following error unwind, should we?
1184 pkg->postrm abort-upgrade old-version
1185 OR pkg->postrm abort-install old-version
1186 OR pkg->postrm abort-install
1191 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1194 conffile_list_elt_t *iter;
1197 if (conf->noaction) return 0;
1199 /* Backup all modified conffiles */
1201 for (iter = old_pkg->conffiles.head; iter; iter = iter->next) {
1205 cf_name = root_filename_alloc(conf, cf->name);
1207 /* Don't worry if the conffile is just plain gone */
1208 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1209 err = backup_make_backup(conf, cf_name);
1218 /* Backup all conffiles that were not conffiles in old_pkg */
1219 for (iter = pkg->conffiles.head; iter; iter = iter->next) {
1222 cf_name = root_filename_alloc(conf, cf->name);
1223 /* Ignore if this was a conffile in old_pkg as well */
1224 if (pkg_get_conffile(old_pkg, cf->name)) {
1228 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1229 err = backup_make_backup(conf, cf_name);
1240 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1242 conffile_list_elt_t *iter;
1245 for (iter = old_pkg->conffiles.head; iter; iter = iter->next) {
1246 backup_remove(iter->data->name);
1250 for (iter = pkg->conffiles.head; iter; iter = iter->next) {
1251 backup_remove(iter->data->name);
1258 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1260 /* DPKG_INCOMPATIBILITY:
1261 opkg takes a slightly different approach than dpkg at this
1262 point. dpkg installs each file in the new package while
1263 creating a backup for any file that is replaced, (so that it
1264 can unwind if necessary). To avoid complexity and redundant
1265 storage, opkg doesn't do any installation until later, (at the
1266 point at which dpkg removes the backups.
1268 But, we do have to check for data file clashes, since after
1269 installing a package with a file clash, removing either of the
1270 packages involved in the clash has the potential to break the
1273 str_list_t *files_list;
1274 str_list_elt_t *iter;
1278 files_list = pkg_get_installed_files(pkg);
1279 for (iter = files_list->head; iter; iter = iter->next) {
1280 char *root_filename;
1281 char *filename = iter->data;
1282 root_filename = root_filename_alloc(conf, filename);
1283 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1286 /* Pre-existing conffiles are OK */
1287 /* @@@@ should have way to check that it is a conffile -Jamey */
1288 if (backup_exists_for(root_filename)) {
1292 /* Pre-existing files are OK if force-overwrite was asserted. */
1293 if (conf->force_overwrite) {
1294 /* but we need to change who owns this file */
1295 file_hash_set_file_owner(conf, filename, pkg);
1299 owner = file_hash_get_file_owner(conf, filename);
1301 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1302 if (owner && old_pkg) {
1303 if (strcmp(owner->name, old_pkg->name) == 0) {
1308 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1310 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1311 if (pkg_replaces(pkg, owner)) {
1314 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1315 then it's ok to overwrite. */
1316 if (strcmp(owner->name,pkg->name)==0){
1317 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1322 /* Pre-existing files are OK if they are obsolete */
1323 obs = hash_table_get(&conf->obs_file_hash, filename);
1325 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1329 /* We have found a clash. */
1330 opkg_message(conf, OPKG_ERROR,
1331 "Package %s wants to install file %s\n"
1332 "\tBut that file is already provided by package ",
1333 pkg->name, filename);
1335 opkg_message(conf, OPKG_ERROR,
1336 "%s\n", owner->name);
1338 opkg_message(conf, OPKG_ERROR,
1339 "<no package>\nPlease move this file out of the way and try again.\n");
1343 free(root_filename);
1345 pkg_free_installed_files(pkg);
1350 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1352 /* Basically that's the worst hack I could do to be able to change ownership of
1353 file list, but, being that we have no way to unwind the mods, due to structure
1354 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1355 What we do here is change the ownership of file in hash if a replace ( or similar events
1357 Only the action that are needed to change name should be considered.
1358 @@@ To change after 1.0 release.
1360 str_list_t *files_list;
1361 str_list_elt_t *iter;
1365 files_list = pkg_get_installed_files(pkg);
1366 for (iter = files_list->head; iter; iter = iter->next) {
1367 char *root_filename;
1368 char *filename = iter->data;
1369 root_filename = root_filename_alloc(conf, filename);
1370 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1373 if (conf->force_overwrite) {
1374 /* but we need to change who owns this file */
1375 file_hash_set_file_owner(conf, filename, pkg);
1379 owner = file_hash_get_file_owner(conf, filename);
1381 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1383 if (pkg_replaces(pkg, owner)) {
1384 /* It's now time to change the owner of that file.
1385 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1386 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1387 file_hash_set_file_owner(conf, filename, pkg);
1393 free(root_filename);
1395 pkg_free_installed_files(pkg);
1400 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1402 /* Nothing to do since check_data_file_clashes doesn't change state */
1406 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1408 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1409 1. If the package is being upgraded, call
1410 old-postrm upgrade new-version
1411 2. If this fails, attempt:
1412 new-postrm failed-upgrade old-version
1413 Error unwind, for both cases:
1414 old-preinst abort-upgrade new-version */
1418 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1420 /* DPKG_INCOMPATIBILITY:
1421 dpkg does some things here that we don't do yet. Do we care?
1422 (See postrm_upgrade_old_pkg for details)
1427 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1430 str_list_t *old_files;
1432 str_list_t *new_files;
1435 if (old_pkg == NULL) {
1439 old_files = pkg_get_installed_files(old_pkg);
1440 new_files = pkg_get_installed_files(pkg);
1442 for (of = old_files->head; of; of = of->next) {
1446 for (nf = new_files->head; nf; nf = nf->next) {
1448 if (strcmp(old, new) == 0) {
1452 if (file_is_dir(old)) {
1455 owner = file_hash_get_file_owner(conf, old);
1456 if (owner != old_pkg) {
1457 /* in case obsolete file no longer belongs to old_pkg */
1461 /* old file is obsolete */
1462 opkg_message(conf, OPKG_INFO,
1463 " removing obsolete file %s\n", old);
1464 if (!conf->noaction) {
1467 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1476 pkg_free_installed_files(old_pkg);
1477 pkg_free_installed_files(pkg);
1482 static int remove_obsolete_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1490 opkg_message(conf, OPKG_ERROR, "%s: no dest for package %s\n", __FUNCTION__, pkg->name);
1493 sprintf_alloc(&globpattern, "%s/%s.*", pkg->dest->info_dir, pkg->name);
1494 err = glob(globpattern, 0, NULL, &globbuf);
1499 /* XXXX this should perhaps only remove the ones that are not overwritten in new package. Jamey 11/11/2003 */
1500 for (i = 0; i < globbuf.gl_pathc; i++) {
1501 opkg_message(conf, OPKG_DEBUG, "Removing control file %s from old_pkg %s\n",
1502 globbuf.gl_pathv[i], old_pkg->name);
1503 if (!conf->noaction)
1504 unlink(globbuf.gl_pathv[i]);
1511 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1517 remove_obsolete_maintainer_scripts(conf, pkg, old_pkg);
1518 sprintf_alloc(&prefix, "%s.", pkg->name);
1519 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1520 pkg->dest->info_dir,
1526 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1528 /* DPKG_INCOMPATIBILITY:
1529 This is a fairly sophisticated dpkg operation. Shall we
1532 /* Any packages all of whose files have been overwritten during the
1533 installation, and which aren't required for dependencies, are
1534 considered to have been removed. For each such package
1535 1. disappearer's-postrm disappear overwriter overwriter-version
1536 2. The package's maintainer scripts are removed
1537 3. It is noted in the status database as being in a sane state,
1538 namely not installed (any conffiles it may have are ignored,
1539 rather than being removed by dpkg). Note that disappearing
1540 packages do not have their prerm called, because dpkg doesn't
1541 know in advance that the package is going to vanish.
1546 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1550 /* opkg takes a slightly different approach to data file backups
1551 than dpkg. Rather than removing backups at this point, we
1552 actually do the data file installation now. See comments in
1553 check_data_file_clashes() for more details. */
1555 opkg_message(conf, OPKG_INFO,
1556 " extracting data files to %s\n", pkg->dest->root_dir);
1557 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1562 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1563 so we can't save ourself from removing important packages
1564 At this point we (should) have extracted the .control file, so it
1565 would be a good idea to reload the data in it, and set the Essential
1566 state in *pkg. From now on the Essential is back in status file and
1567 we can protect again.
1568 We should operate this way:
1569 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1570 check for "Essential" in it
1571 set the value in pkg->essential.
1572 This new routine could be useful also for every other flag
1574 set_flags_from_control(conf, pkg) ;
1576 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1577 err = pkg_write_filelist(conf, pkg);
1581 /* XXX: FEATURE: opkg should identify any files which existed
1582 before installation and which were overwritten, (see
1583 check_data_file_clashes()). What it must do is remove any such
1584 files from the filelist of the old package which provided the
1585 file. Otherwise, if the old package were removed at some point
1586 it would break the new package. Removing the new package will
1587 also break the old one, but this cannot be helped since the old
1588 package's file has already been deleted. This is the importance
1589 of check_data_file_clashes(), and only allowing opkg to install
1590 a clashing package with a user force. */
1595 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1597 conffile_list_elt_t *iter;
1604 if (conf->noaction) return 0;
1606 for (iter = pkg->conffiles.head; iter; iter = iter->next) {
1607 char *root_filename;
1609 root_filename = root_filename_alloc(conf, cf->name);
1611 /* Might need to initialize the md5sum for each conffile */
1612 if (cf->value == NULL) {
1613 cf->value = file_md5sum_alloc(root_filename);
1616 if (!file_exists(root_filename)) {
1617 free(root_filename);
1621 cf_backup = backup_filename_alloc(root_filename);
1624 if (file_exists(cf_backup)) {
1625 /* Let's compute md5 to test if files are changed */
1626 md5sum = file_md5sum_alloc(cf_backup);
1627 if (strcmp( cf->value,md5sum) != 0 ) {
1628 if (conf->force_defaults
1629 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1630 rename(cf_backup, root_filename);
1638 free(root_filename);
1644 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1647 const char *short_file_name;
1649 short_file_name = strrchr(file_name, '/');
1650 if (short_file_name) {
1653 short_file_name = file_name;
1657 response = get_user_response(" Configuration file '%s'\n"
1658 " ==> File on system created by you or by a script.\n"
1659 " ==> File also in package provided by package maintainer.\n"
1660 " What would you like to do about it ? Your options are:\n"
1661 " Y or I : install the package maintainer's version\n"
1662 " N or O : keep your currently-installed version\n"
1663 " D : show the differences between the versions (if diff is installed)\n"
1664 " The default action is to keep your current version.\n"
1665 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1666 if (strcmp(response, "y") == 0
1667 || strcmp(response, "i") == 0
1668 || strcmp(response, "yes") == 0) {
1673 if (strcmp(response, "d") == 0) {
1677 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1678 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1681 printf(" [Press ENTER to continue]\n");
1682 response = file_read_line_alloc(stdin);
1692 /* XXX: CLEANUP: I'd like to move all of the code for
1693 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1694 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1695 pkg_deinit for example). */
1696 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1699 struct dirent *dirent;
1702 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1704 opkg_message(conf, OPKG_DEBUG,
1705 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1706 __FUNCTION__, pkg->tmp_unpack_dir);
1710 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1711 tmp_dir = opendir(pkg->tmp_unpack_dir);
1714 dirent = readdir(tmp_dir);
1715 if (dirent == NULL) {
1718 sprintf_alloc(&tmp_file, "%s/%s",
1719 pkg->tmp_unpack_dir, dirent->d_name);
1720 if (! file_is_dir(tmp_file)) {
1726 rmdir(pkg->tmp_unpack_dir);
1727 free(pkg->tmp_unpack_dir);
1728 pkg->tmp_unpack_dir = NULL;
1732 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1733 pkg->name, pkg->local_filename, conf->tmp_dir);
1734 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1735 unlink(pkg->local_filename);
1736 free(pkg->local_filename);
1737 pkg->local_filename = NULL;
1743 static char *backup_filename_alloc(const char *file_name)
1747 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1752 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1757 backup = backup_filename_alloc(file_name);
1758 err = file_copy(file_name, backup);
1760 opkg_message(conf, OPKG_ERROR,
1761 "%s: Failed to copy %s to %s\n",
1762 __FUNCTION__, file_name, backup);
1770 static int backup_exists_for(const char *file_name)
1775 backup = backup_filename_alloc(file_name);
1777 ret = file_exists(backup);
1784 static int backup_remove(const char *file_name)
1788 backup = backup_filename_alloc(file_name);