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;
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);
110 old_version = pkg_version_str_alloc(old);
111 new_version = pkg_version_str_alloc(pkg);
113 cmp = pkg_compare_versions(old, pkg);
114 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
115 cmp = -1 ; /* then we force opkg to downgrade */
116 /* We need to use a value < 0 because in the 0 case we are asking to */
117 /* reinstall, and some check could fail asking the "force-reinstall" option */
120 opkg_message(conf, OPKG_NOTICE,
121 "Not downgrading package %s on %s from %s to %s.\n",
122 old->name, old->dest->name, old_version, new_version);
123 pkg->state_want = SW_DEINSTALL;
124 pkg->state_flag |= SF_OBSOLETE;
134 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
135 return opkg_install_pkg(conf, pkg,0);
138 opkg_error_t opkg_install_by_name(opkg_conf_t *conf, const char *pkg_name)
142 char *old_version, *new_version;
144 opkg_message(conf, OPKG_DEBUG2, " Getting old from pkg_hash_fetch \n" );
145 old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
147 opkg_message(conf, OPKG_DEBUG2, " Old versions from pkg_hash_fetch %s \n", old->version );
149 opkg_message(conf, OPKG_DEBUG2, " Getting new from pkg_hash_fetch \n" );
150 new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name, &err);
152 opkg_message(conf, OPKG_DEBUG2, " New versions from pkg_hash_fetch %s \n", new->version );
154 /* Pigi Basically here is broken the version stuff.
155 What's happening is that nothing provide the version to differents
156 functions, so the returned struct is always the latest.
157 That's why the install by name don't work.
159 opkg_message(conf, OPKG_DEBUG2, " Versions from pkg_hash_fetch in %s ", __FUNCTION__ );
162 opkg_message(conf, OPKG_DEBUG2, " old %s ", old->version );
164 opkg_message(conf, OPKG_DEBUG2, " new %s ", new->version );
165 opkg_message(conf, OPKG_DEBUG2, " \n");
171 return OPKG_PKG_HAS_NO_CANDIDATE;
174 new->state_flag |= SF_USER;
176 old_version = pkg_version_str_alloc(old);
177 new_version = pkg_version_str_alloc(new);
179 cmp = pkg_compare_versions(old, new);
180 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
181 opkg_message(conf, OPKG_DEBUG, " Forcing downgrade \n");
182 cmp = -1 ; /* then we force opkg to downgrade */
183 /* We need to use a value < 0 because in the 0 case we are asking to */
184 /* reinstall, and some check could fail asking the "force-reinstall" option */
186 opkg_message(conf, OPKG_DEBUG,
187 "Comparing visible versions of pkg %s:"
188 "\n\t%s is installed "
189 "\n\t%s is available "
190 "\n\t%d was comparison result\n",
191 pkg_name, old_version, new_version, cmp);
192 if (cmp == 0 && !conf->force_reinstall) {
193 opkg_message(conf, OPKG_NOTICE,
194 "Package %s (%s) installed in %s is up to date.\n",
195 old->name, old_version, old->dest->name);
199 } else if (cmp > 0) {
200 opkg_message(conf, OPKG_NOTICE,
201 "Not downgrading package %s on %s from %s to %s.\n",
202 old->name, old->dest->name, old_version, new_version);
206 } else if (cmp < 0) {
207 new->dest = old->dest;
208 old->state_want = SW_DEINSTALL; /* Here probably the problem for bug 1277 */
212 /* XXX: CLEANUP: The error code of opkg_install_by_name is really
213 supposed to be an opkg_error_t, but opkg_install_pkg could
214 return any kind of integer, (might be errno from a syscall,
215 etc.). This is a real mess and will need to be cleaned up if
216 anyone ever wants to make a nice libopkg. */
218 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
219 return opkg_install_pkg(conf, new,0);
222 opkg_error_t opkg_install_multi_by_name(opkg_conf_t *conf, const char *pkg_name)
224 abstract_pkg_vec_t *providers = pkg_hash_fetch_all_installation_candidates (&conf->pkg_hash, pkg_name);
227 abstract_pkg_t *ppkg ;
229 if (providers == NULL)
230 return OPKG_PKG_HAS_NO_CANDIDATE;
232 for (i = 0; i < providers->len; i++) {
233 ppkg = abstract_pkg_vec_get(providers, i);
234 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_by_name %d \n",__FUNCTION__, i);
235 err = opkg_install_by_name(conf, ppkg->name);
238 /* XXX Maybe ppkg should be freed ? */
244 * Walk dependence graph starting with pkg, collect packages to be
245 * installed into pkgs_needed, in dependence order.
247 int pkg_mark_dependencies_for_installation(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *pkgs_needed)
250 pkg_vec_t *depends = pkg_vec_alloc();
251 char **unresolved = NULL;
254 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
259 opkg_message(conf, OPKG_ERROR,
260 "%s: Cannot satisfy the following dependencies for %s:\n\t",
261 conf->force_depends ? "Warning" : "ERROR", pkg->name);
262 while (*unresolved) {
263 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
266 opkg_message(conf, OPKG_ERROR, "\n");
267 if (! conf->force_depends) {
268 opkg_message(conf, OPKG_INFO,
269 "This could mean that your package list is out of date or that the packages\n"
270 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
271 "of this problem try again with the '-force-depends' option.\n");
272 pkg_vec_free(depends);
273 return OPKG_PKG_DEPS_UNSATISFIED;
278 pkg_vec_free(depends);
282 for (i = 0; i < depends->len; i++) {
283 pkg_t *dep = depends->pkgs[i];
284 /* The package was uninstalled when we started, but another
285 dep earlier in this loop may have depended on it and pulled
286 it in, so check first. */
287 if ((dep->state_status != SS_INSTALLED)
288 && (dep->state_status != SS_UNPACKED)
289 && (dep->state_want != SW_INSTALL)) {
291 /* Mark packages as to-be-installed */
292 dep->state_want = SW_INSTALL;
294 /* Dependencies should be installed the same place as pkg */
295 if (dep->dest == NULL) {
296 dep->dest = pkg->dest;
299 err = pkg_mark_dependencies_for_installation(conf, dep, pkgs_needed);
301 pkg_vec_free(depends);
307 pkg_vec_insert(pkgs_needed, pkg);
309 pkg_vec_free(depends);
314 int satisfy_dependencies_for(opkg_conf_t *conf, pkg_t *pkg)
317 pkg_vec_t *depends = pkg_vec_alloc();
319 char **unresolved = NULL;
322 ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
327 opkg_message(conf, OPKG_ERROR,
328 "%s: Cannot satisfy the following dependencies for %s:\n\t",
329 conf->force_depends ? "Warning" : "ERROR", pkg->name);
330 while (*unresolved) {
331 opkg_message(conf, OPKG_ERROR, " %s", *unresolved);
334 opkg_message(conf, OPKG_ERROR, "\n");
335 if (! conf->force_depends) {
336 opkg_message(conf, OPKG_INFO,
337 "This could mean that your package list is out of date or that the packages\n"
338 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
339 "of this problem try again with the '-force-depends' option.\n");
340 pkg_vec_free(depends);
341 return OPKG_PKG_DEPS_UNSATISFIED;
346 pkg_vec_free(depends);
350 /* Mark packages as to-be-installed */
351 for (i=0; i < depends->len; i++) {
352 /* Dependencies should be installed the same place as pkg */
353 if (depends->pkgs[i]->dest == NULL) {
354 depends->pkgs[i]->dest = pkg->dest;
356 depends->pkgs[i]->state_want = SW_INSTALL;
359 for (i = 0; i < depends->len; i++) {
360 dep = depends->pkgs[i];
361 /* The package was uninstalled when we started, but another
362 dep earlier in this loop may have depended on it and pulled
363 it in, so check first. */
364 if ((dep->state_status != SS_INSTALLED)
365 && (dep->state_status != SS_UNPACKED)) {
366 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
367 err = opkg_install_pkg(conf, dep,0);
368 /* mark this package as having been automatically installed to
369 * satisfy a dependancy */
370 dep->auto_installed = 1;
372 pkg_vec_free(depends);
378 pkg_vec_free(depends);
384 /* check all packages have their dependences satisfied, e.g., in case an upgraded package split */
385 int opkg_satisfy_all_dependences(opkg_conf_t *conf)
387 if (conf->nodeps == 0) {
389 pkg_vec_t *installed = pkg_vec_alloc();
390 pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
391 for (i = 0; i < installed->len; i++) {
392 pkg_t *pkg = installed->pkgs[i];
393 satisfy_dependencies_for(conf, pkg);
395 pkg_vec_free(installed);
401 static int check_conflicts_for(opkg_conf_t *conf, pkg_t *pkg)
404 pkg_vec_t *conflicts = NULL;
407 if (conf->force_depends) {
415 if (!conf->force_depends)
416 conflicts = (pkg_vec_t *)pkg_hash_fetch_conflicts(&conf->pkg_hash, pkg);
419 opkg_message(conf, level,
420 "%s: The following packages conflict with %s:\n\t", prefix, pkg->name);
422 while (i < conflicts->len)
423 opkg_message(conf, level, " %s", conflicts->pkgs[i++]->name);
424 opkg_message(conf, level, "\n");
425 pkg_vec_free(conflicts);
426 return OPKG_PKG_DEPS_UNSATISFIED;
431 static int update_file_ownership(opkg_conf_t *conf, pkg_t *new_pkg, pkg_t *old_pkg)
433 str_list_t *new_list = pkg_get_installed_files(new_pkg);
434 str_list_elt_t *iter, *niter;
436 for (iter = str_list_first(new_list), niter = str_list_next(new_list, iter);
438 iter = niter, niter = str_list_next(new_list, niter)) {
439 char *new_file = (char *)iter->data;
440 pkg_t *owner = file_hash_get_file_owner(conf, new_file);
442 opkg_message(conf, OPKG_ERROR, "Null new_file for new_pkg=%s\n", new_pkg->name);
443 if (!owner || (owner == old_pkg))
444 file_hash_set_file_owner(conf, new_file, new_pkg);
447 str_list_t *old_list = pkg_get_installed_files(old_pkg);
448 for (iter = str_list_first(old_list), niter = str_list_next(old_list, iter);
450 iter = niter, niter = str_list_next(old_list, niter)) {
451 char *old_file = (char *)iter->data;
452 pkg_t *owner = file_hash_get_file_owner(conf, old_file);
453 if (owner == old_pkg) {
455 hash_table_insert(&conf->obs_file_hash, old_file, old_pkg);
458 pkg_free_installed_files(old_pkg);
460 pkg_free_installed_files(new_pkg);
464 static int verify_pkg_installable(opkg_conf_t *conf, pkg_t *pkg)
466 /* XXX: FEATURE: Anything else needed here? Maybe a check on free space? */
468 /* sma 6.20.02: yup; here's the first bit */
470 * XXX: BUG easy for cworth
471 * 1) please point the call below to the correct current root destination
472 * 2) we need to resolve how to check the required space for a pending pkg,
473 * my diddling with the .opk file size below isn't going to cut it.
474 * 3) return a proper error code instead of 1
476 int comp_size, blocks_available;
479 if (!conf->force_space && pkg->installed_size != NULL) {
480 root_dir = pkg->dest ? pkg->dest->root_dir : conf->default_dest->root_dir;
481 blocks_available = get_available_blocks(root_dir);
483 comp_size = strtoul(pkg->installed_size, NULL, 0);
484 /* round up a blocks count without doing fancy-but-slow casting jazz */
485 comp_size = (int)((comp_size + 1023) / 1024);
487 if (comp_size >= blocks_available) {
488 opkg_message(conf, OPKG_ERROR,
489 "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
490 blocks_available, root_dir, pkg->name, comp_size);
497 static int unpack_pkg_control_files(opkg_conf_t *conf, pkg_t *pkg)
500 char *conffiles_file_name;
502 FILE *conffiles_file;
504 sprintf_alloc(&pkg->tmp_unpack_dir, "%s/%s-XXXXXX", conf->tmp_dir, pkg->name);
506 pkg->tmp_unpack_dir = mkdtemp(pkg->tmp_unpack_dir);
507 if (pkg->tmp_unpack_dir == NULL) {
508 opkg_message(conf, OPKG_ERROR,
509 "%s: Failed to create temporary directory '%s': %s\n",
510 __FUNCTION__, pkg->tmp_unpack_dir, strerror(errno));
514 err = pkg_extract_control_files_to_dir(pkg, pkg->tmp_unpack_dir);
519 /* XXX: CLEANUP: There might be a cleaner place to read in the
520 conffiles. Seems like I should be able to get everything to go
521 through pkg_init_from_file. If so, maybe it would make sense to
522 move all of unpack_pkg_control_files to that function. */
524 /* Don't need to re-read conffiles if we already have it */
525 if (!nv_pair_list_empty(&pkg->conffiles)) {
529 sprintf_alloc(&conffiles_file_name, "%s/conffiles", pkg->tmp_unpack_dir);
530 if (! file_exists(conffiles_file_name)) {
531 free(conffiles_file_name);
535 conffiles_file = fopen(conffiles_file_name, "r");
536 if (conffiles_file == NULL) {
537 fprintf(stderr, "%s: failed to open %s: %s\n",
538 __FUNCTION__, conffiles_file_name, strerror(errno));
539 free(conffiles_file_name);
542 free(conffiles_file_name);
546 char *cf_name_in_dest;
548 cf_name = file_read_line_alloc(conffiles_file);
549 if (cf_name == NULL) {
553 if (cf_name[0] == '\0') {
557 /* Prepend dest->root_dir to conffile name.
558 Take pains to avoid multiple slashes. */
559 root_dir = pkg->dest->root_dir;
560 if (conf->offline_root)
561 /* skip the offline_root prefix */
562 root_dir = pkg->dest->root_dir + strlen(conf->offline_root);
563 sprintf_alloc(&cf_name_in_dest, "%s%s", root_dir,
564 cf_name[0] == '/' ? (cf_name + 1) : cf_name);
566 /* Can't get an md5sum now, (file isn't extracted yet).
567 We'll wait until resolve_conffiles */
568 conffile_list_append(&pkg->conffiles, cf_name_in_dest, NULL);
571 free(cf_name_in_dest);
574 fclose(conffiles_file);
579 static int pkg_remove_orphan_dependent(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
588 if (old_pkg->depends_count == 0)
591 for (i=0;i<old_pkg->depends_count;i++) {
593 for (j=0;j<pkg->depends_count;j++) {
594 if (!strcmp(old_pkg->depends_str[i], pkg->depends_str[j])) {
601 d_str = old_pkg->depends_str[i];
602 buf = xcalloc(1, strlen (d_str) + 1);
604 while (d_str[j] != '\0' && d_str[j] != ' ') {
609 buf = xrealloc (buf, strlen (buf) + 1);
610 p = pkg_hash_fetch_installed_by_name (&conf->pkg_hash, buf);
612 fprintf(stderr, "The pkg %s had been removed!!\n", buf);
616 if (p->auto_installed) {
618 abstract_pkg_t **dependents;
619 deps = pkg_has_installed_dependents(conf, NULL, p, &dependents);
621 opkg_message (conf, OPKG_NOTICE,"%s was autoinstalled but is now orphaned, remove it.\n", buf);
622 opkg_remove_pkg(conf, p, 0);
624 opkg_message (conf, OPKG_INFO, "%s was autoinstalled and is still required by %d installed packages\n", buf, deps);
631 /* returns number of installed replacees */
632 int pkg_get_installed_replacees(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
634 abstract_pkg_t **replaces = pkg->replaces;
635 int replaces_count = pkg->replaces_count;
637 for (i = 0; i < replaces_count; i++) {
638 abstract_pkg_t *ab_pkg = replaces[i];
639 pkg_vec_t *pkg_vec = ab_pkg->pkgs;
641 for (j = 0; j < pkg_vec->len; j++) {
642 pkg_t *replacee = pkg_vec->pkgs[j];
643 if (!pkg_conflicts(pkg, replacee))
645 if (replacee->state_status == SS_INSTALLED) {
646 pkg_vec_insert(installed_replacees, replacee);
651 return installed_replacees->len;
654 int pkg_remove_installed_replacees(opkg_conf_t *conf, pkg_vec_t *replacees)
657 int replaces_count = replacees->len;
658 for (i = 0; i < replaces_count; i++) {
659 pkg_t *replacee = replacees->pkgs[i];
661 replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
662 err = opkg_remove_pkg(conf, replacee,0);
669 /* to unwind the removal: make sure they are installed */
670 int pkg_remove_installed_replacees_unwind(opkg_conf_t *conf, pkg_vec_t *replacees)
673 int replaces_count = replacees->len;
674 for (i = 0; i < replaces_count; i++) {
675 pkg_t *replacee = replacees->pkgs[i];
676 if (replacee->state_status != SS_INSTALLED) {
677 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
678 err = opkg_install_pkg(conf, replacee,0);
686 int caught_sigint = 0;
687 static void opkg_install_pkg_sigint_handler(int sig)
692 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
693 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
696 char message_out[15];
697 char *old_version = pkg_version_str_alloc(old_pkg);
698 char *new_version = pkg_version_str_alloc(pkg);
699 int cmp = pkg_compare_versions(old_pkg, pkg);
702 memset(message_out,'\x0',15);
703 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
704 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
705 cmp = -1 ; /* then we force opkg to downgrade */
706 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
707 /* reinstall, and some check could fail asking the "force-reinstall" option */
711 opkg_message(conf, OPKG_NOTICE,
712 "Not downgrading package %s on %s from %s to %s.\n",
713 old_pkg->name, old_pkg->dest->name, old_version, new_version);
715 } else if (cmp < 0) {
716 opkg_message(conf, OPKG_NOTICE,
717 "%s%s on %s from %s to %s...\n",
718 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
719 pkg->dest = old_pkg->dest;
721 } else /* cmp == 0 */ {
722 if (conf->force_reinstall) {
723 opkg_message(conf, OPKG_NOTICE,
724 "Reinstalling %s (%s) on %s...\n",
725 pkg->name, new_version, old_pkg->dest->name);
726 pkg->dest = old_pkg->dest;
729 opkg_message(conf, OPKG_NOTICE,
730 "Not installing %s (%s) on %s -- already installed.\n",
731 pkg->name, new_version, old_pkg->dest->name);
739 char message_out[15] ;
740 memset(message_out,'\x0',15);
742 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
744 strncpy( message_out,"Installing ",strlen("Installing ") );
745 char *version = pkg_version_str_alloc(pkg);
747 opkg_message(conf, OPKG_NOTICE,
748 "%s%s (%s) to %s...\n", message_out,
749 pkg->name, version, pkg->dest->name);
756 * @brief Really install a pkg_t
758 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
762 pkg_t *old_pkg = NULL;
763 pkg_vec_t *replacees;
764 abstract_pkg_t *ab_pkg = NULL;
772 message = 1; /* Coming from an upgrade, and should change the output message */
775 opkg_message(conf, OPKG_ERROR,
776 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
777 return OPKG_INSTALL_ERR_INTERNAL;
780 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
782 if (!pkg_arch_supported(conf, pkg)) {
783 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
784 pkg->architecture, pkg->name);
785 return OPKG_INSTALL_ERR_INTERNAL;
787 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
788 err = satisfy_dependencies_for(conf, pkg);
789 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
791 opkg_message(conf, OPKG_NOTICE,
792 "Package %s is already installed in %s.\n",
793 pkg->name, pkg->dest->name);
797 if (pkg->dest == NULL) {
798 pkg->dest = conf->default_dest;
801 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
803 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
804 if (err) { return OPKG_INSTALL_ERR_NO_DOWNGRADE; }
806 pkg->state_want = SW_INSTALL;
808 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
812 /* Abhaya: conflicts check */
813 err = check_conflicts_for(conf, pkg);
814 if (err) { return OPKG_INSTALL_ERR_CONFLICTS; }
816 /* this setup is to remove the upgrade scenario in the end when
817 installing pkg A, A deps B & B deps on A. So both B and A are
818 installed. Then A's installation is started resulting in an
819 uncecessary upgrade */
820 if (pkg->state_status == SS_INSTALLED
821 && conf->force_reinstall == 0) return 0;
823 err = verify_pkg_installable(conf, pkg);
824 if (err) { return OPKG_INSTALL_ERR_NO_SPACE; }
826 if (pkg->local_filename == NULL) {
827 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
829 opkg_message(conf, OPKG_ERROR,
830 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
832 return OPKG_INSTALL_ERR_DOWNLOAD;
836 /* check that the repository is valid */
837 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
838 char *list_file_name, *sig_file_name, *lists_dir;
840 /* check to ensure the package has come from a repository */
841 if (conf->check_signature && pkg->src)
843 sprintf_alloc (&lists_dir, "%s",
844 (conf->restrict_to_default_dest)
845 ? conf->default_dest->lists_dir
847 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, pkg->src->name);
848 sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, pkg->src->name);
850 if (file_exists (sig_file_name))
852 if (opkg_verify_file (conf, list_file_name, sig_file_name)){
853 opkg_message(conf, OPKG_ERROR, "Failed to verify the signature of: %s\n",
855 return OPKG_INSTALL_ERR_SIGNATURE;
858 opkg_message(conf, OPKG_ERROR, "Signature file is missing. "
859 "Perhaps you need to run 'opkg update'?\n");
860 return OPKG_INSTALL_ERR_SIGNATURE;
864 free (list_file_name);
865 free (sig_file_name);
869 /* Check for md5 values */
872 file_md5 = file_md5sum_alloc(pkg->local_filename);
873 if (file_md5 && strcmp(file_md5, pkg->md5sum))
875 opkg_message(conf, OPKG_ERROR,
876 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
879 return OPKG_INSTALL_ERR_MD5;
886 /* Check for sha256 value */
889 file_sha256 = file_sha256sum_alloc(pkg->local_filename);
890 if (file_sha256 && strcmp(file_sha256, pkg->sha256sum))
892 opkg_message(conf, OPKG_ERROR,
893 "Package %s sha256sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
896 return OPKG_INSTALL_ERR_SHA256;
903 if (pkg->tmp_unpack_dir == NULL) {
904 unpack_pkg_control_files(conf, pkg);
907 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
908 /* Pigi: check if it will pass from here when replacing. It seems to fail */
909 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
910 err = update_file_ownership(conf, pkg, old_pkg);
911 if (err) { return OPKG_ERR_UNKNOWN; }
913 if (conf->nodeps == 0) {
914 err = satisfy_dependencies_for(conf, pkg);
915 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
918 replacees = pkg_vec_alloc();
919 pkg_get_installed_replacees(conf, pkg, replacees);
921 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
923 sigset_t newset, oldset;
924 sighandler_t old_handler = NULL;
928 old_handler = signal(SIGINT, opkg_install_pkg_sigint_handler);
930 sigemptyset(&newset);
931 sigaddset(&newset, SIGINT);
932 sigprocmask(SIG_BLOCK, &newset, &oldset);
935 opkg_state_changed++;
936 pkg->state_flag |= SF_FILELIST_CHANGED;
938 pkg_remove_orphan_dependent(conf, pkg, old_pkg);
940 /* XXX: BUG: we really should treat replacement more like an upgrade
941 * Instead, we're going to remove the replacees
943 err = pkg_remove_installed_replacees(conf, replacees);
944 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
946 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
947 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
949 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
950 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
952 err = preinst_configure(conf, pkg, old_pkg);
953 if (err) goto UNWIND_PREINST_CONFIGURE;
955 err = backup_modified_conffiles(conf, pkg, old_pkg);
956 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
958 err = check_data_file_clashes(conf, pkg, old_pkg);
959 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
961 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
962 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
964 if (conf->noaction) return 0;
966 /* point of no return: no unwinding after this */
967 if (old_pkg && !conf->force_reinstall) {
968 old_pkg->state_want = SW_DEINSTALL;
970 if (old_pkg->state_flag & SF_NOPRUNE) {
971 opkg_message(conf, OPKG_INFO,
972 " not removing obsolesced files because package marked noprune\n");
974 opkg_message(conf, OPKG_INFO,
975 " removing obsolesced files\n");
976 remove_obsolesced_files(conf, pkg, old_pkg);
978 /* removing files from old package, to avoid ghost files */
979 remove_data_files_and_list(conf, old_pkg);
980 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
981 remove_maintainer_scripts_except_postrm(conf, old_pkg);
982 remove_postrm(conf, old_pkg);
988 opkg_message(conf, OPKG_INFO,
989 " installing maintainer scripts\n");
990 install_maintainer_scripts(conf, pkg, old_pkg);
992 /* the following just returns 0 */
993 remove_disappeared(conf, pkg);
995 opkg_message(conf, OPKG_INFO,
996 " installing data files\n");
997 install_data_files(conf, pkg);
999 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
1000 err = check_data_file_clashes_change(conf, pkg, old_pkg);
1002 opkg_message(conf, OPKG_INFO,
1003 " resolving conf files\n");
1004 resolve_conffiles(conf, pkg);
1006 pkg->state_status = SS_UNPACKED;
1007 old_state_flag = pkg->state_flag;
1008 pkg->state_flag &= ~SF_PREFER;
1009 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
1011 if (old_pkg && !conf->force_reinstall) {
1012 old_pkg->state_status = SS_NOT_INSTALLED;
1015 time(&pkg->installed_time);
1017 opkg_message(conf, OPKG_INFO,
1018 " cleanup temp files\n");
1019 cleanup_temporary_files(conf, pkg);
1021 ab_pkg = pkg->parent;
1023 ab_pkg->state_status = pkg->state_status;
1025 opkg_message(conf, OPKG_INFO, "Done.\n");
1028 signal(SIGINT, old_handler);
1030 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1031 pkg_vec_free (replacees);
1035 UNWIND_POSTRM_UPGRADE_OLD_PKG:
1036 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1037 UNWIND_CHECK_DATA_FILE_CLASHES:
1038 check_data_file_clashes_unwind(conf, pkg, old_pkg);
1039 UNWIND_BACKUP_MODIFIED_CONFFILES:
1040 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
1041 UNWIND_PREINST_CONFIGURE:
1042 preinst_configure_unwind(conf, pkg, old_pkg);
1043 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
1044 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
1045 UNWIND_PRERM_UPGRADE_OLD_PKG:
1046 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1047 UNWIND_REMOVE_INSTALLED_REPLACEES:
1048 pkg_remove_installed_replacees_unwind(conf, replacees);
1050 opkg_message(conf, OPKG_INFO,
1051 " cleanup temp files\n");
1052 cleanup_temporary_files(conf, pkg);
1054 opkg_message(conf, OPKG_INFO,
1057 signal(SIGINT, old_handler);
1059 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1061 pkg_vec_free (replacees);
1062 return OPKG_ERR_UNKNOWN;
1066 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1068 /* DPKG_INCOMPATIBILITY:
1069 dpkg does some things here that we don't do yet. Do we care?
1071 1. If a version of the package is already installed, call
1072 old-prerm upgrade new-version
1073 2. If the script runs but exits with a non-zero exit status
1074 new-prerm failed-upgrade old-version
1075 Error unwind, for both the above cases:
1076 old-postinst abort-upgrade new-version
1081 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1083 /* DPKG_INCOMPATIBILITY:
1084 dpkg does some things here that we don't do yet. Do we care?
1085 (See prerm_upgrade_old_package for details)
1090 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1092 /* DPKG_INCOMPATIBILITY:
1093 dpkg does some things here that we don't do yet. Do we care?
1094 2. If a 'conflicting' package is being removed at the same time:
1095 1. If any packages depended on that conflicting package and
1096 --auto-deconfigure is specified, call, for each such package:
1097 deconfigured's-prerm deconfigure \
1098 in-favour package-being-installed version \
1099 removing conflicting-package version
1101 deconfigured's-postinst abort-deconfigure \
1102 in-favour package-being-installed-but-failed version \
1103 removing conflicting-package version
1105 The deconfigured packages are marked as requiring
1106 configuration, so that if --install is used they will be
1107 configured again if possible.
1108 2. To prepare for removal of the conflicting package, call:
1109 conflictor's-prerm remove in-favour package new-version
1111 conflictor's-postinst abort-remove in-favour package new-version
1116 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1118 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1119 do yet. Do we care? (See prerm_deconfigure_conflictors for
1124 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1130 char *old_version = pkg_version_str_alloc(old_pkg);
1131 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1133 } else if (pkg->state_status == SS_CONFIG_FILES) {
1134 char *pkg_version = pkg_version_str_alloc(pkg);
1135 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1138 preinst_args = xstrdup("install");
1141 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1143 opkg_message(conf, OPKG_ERROR,
1144 "Aborting installation of %s\n", pkg->name);
1153 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1155 /* DPKG_INCOMPATIBILITY:
1156 dpkg does the following error unwind, should we?
1157 pkg->postrm abort-upgrade old-version
1158 OR pkg->postrm abort-install old-version
1159 OR pkg->postrm abort-install
1164 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1167 conffile_list_elt_t *iter;
1170 if (conf->noaction) return 0;
1172 /* Backup all modified conffiles */
1174 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1178 cf_name = root_filename_alloc(conf, cf->name);
1180 /* Don't worry if the conffile is just plain gone */
1181 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1182 err = backup_make_backup(conf, cf_name);
1191 /* Backup all conffiles that were not conffiles in old_pkg */
1192 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1194 cf = (conffile_t *)iter->data;
1195 cf_name = root_filename_alloc(conf, cf->name);
1196 /* Ignore if this was a conffile in old_pkg as well */
1197 if (pkg_get_conffile(old_pkg, cf->name)) {
1201 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1202 err = backup_make_backup(conf, cf_name);
1213 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1215 conffile_list_elt_t *iter;
1218 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1219 backup_remove(((nv_pair_t *)iter->data)->name);
1223 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1224 backup_remove(((nv_pair_t *)iter->data)->name);
1231 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1233 /* DPKG_INCOMPATIBILITY:
1234 opkg takes a slightly different approach than dpkg at this
1235 point. dpkg installs each file in the new package while
1236 creating a backup for any file that is replaced, (so that it
1237 can unwind if necessary). To avoid complexity and redundant
1238 storage, opkg doesn't do any installation until later, (at the
1239 point at which dpkg removes the backups.
1241 But, we do have to check for data file clashes, since after
1242 installing a package with a file clash, removing either of the
1243 packages involved in the clash has the potential to break the
1246 str_list_t *files_list;
1247 str_list_elt_t *iter, *niter;
1251 files_list = pkg_get_installed_files(pkg);
1252 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1254 iter = niter, niter = str_list_next(files_list, iter)) {
1255 char *root_filename;
1256 char *filename = (char *) iter->data;
1257 root_filename = root_filename_alloc(conf, filename);
1258 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1261 /* Pre-existing conffiles are OK */
1262 /* @@@@ should have way to check that it is a conffile -Jamey */
1263 if (backup_exists_for(root_filename)) {
1267 /* Pre-existing files are OK if force-overwrite was asserted. */
1268 if (conf->force_overwrite) {
1269 /* but we need to change who owns this file */
1270 file_hash_set_file_owner(conf, filename, pkg);
1274 owner = file_hash_get_file_owner(conf, filename);
1276 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1277 if (owner && old_pkg) {
1278 if (strcmp(owner->name, old_pkg->name) == 0) {
1283 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1285 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1286 if (pkg_replaces(pkg, owner)) {
1289 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1290 then it's ok to overwrite. */
1291 if (strcmp(owner->name,pkg->name)==0){
1292 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1297 /* Pre-existing files are OK if they are obsolete */
1298 obs = hash_table_get(&conf->obs_file_hash, filename);
1300 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1304 /* We have found a clash. */
1305 opkg_message(conf, OPKG_ERROR,
1306 "Package %s wants to install file %s\n"
1307 "\tBut that file is already provided by package ",
1308 pkg->name, filename);
1310 opkg_message(conf, OPKG_ERROR,
1311 "%s\n", owner->name);
1313 opkg_message(conf, OPKG_ERROR,
1314 "<no package>\nPlease move this file out of the way and try again.\n");
1318 free(root_filename);
1320 pkg_free_installed_files(pkg);
1325 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1327 /* Basically that's the worst hack I could do to be able to change ownership of
1328 file list, but, being that we have no way to unwind the mods, due to structure
1329 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1330 What we do here is change the ownership of file in hash if a replace ( or similar events
1332 Only the action that are needed to change name should be considered.
1333 @@@ To change after 1.0 release.
1335 str_list_t *files_list;
1336 str_list_elt_t *iter, *niter;
1338 char *root_filename = NULL;
1342 files_list = pkg_get_installed_files(pkg);
1343 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1345 iter = niter, niter = str_list_next(files_list, niter)) {
1346 char *filename = (char *) iter->data;
1347 if (root_filename) {
1348 free(root_filename);
1349 root_filename = NULL;
1351 root_filename = root_filename_alloc(conf, filename);
1352 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1355 owner = file_hash_get_file_owner(conf, filename);
1357 if (conf->force_overwrite) {
1358 /* but we need to change who owns this file */
1359 file_hash_set_file_owner(conf, filename, pkg);
1364 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1366 if (pkg_replaces(pkg, owner)) {
1367 /* It's now time to change the owner of that file.
1368 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1369 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1370 file_hash_set_file_owner(conf, filename, pkg);
1377 if (root_filename) {
1378 free(root_filename);
1379 root_filename = NULL;
1381 pkg_free_installed_files(pkg);
1386 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1388 /* Nothing to do since check_data_file_clashes doesn't change state */
1392 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1394 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1395 1. If the package is being upgraded, call
1396 old-postrm upgrade new-version
1397 2. If this fails, attempt:
1398 new-postrm failed-upgrade old-version
1399 Error unwind, for both cases:
1400 old-preinst abort-upgrade new-version */
1404 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1406 /* DPKG_INCOMPATIBILITY:
1407 dpkg does some things here that we don't do yet. Do we care?
1408 (See postrm_upgrade_old_pkg for details)
1413 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1416 str_list_t *old_files;
1418 str_list_t *new_files;
1420 hash_table_t new_files_table;
1422 if (old_pkg == NULL) {
1426 old_files = pkg_get_installed_files(old_pkg);
1427 new_files = pkg_get_installed_files(pkg);
1429 new_files_table.entries = NULL;
1430 hash_table_init("new_files" , &new_files_table, 20);
1431 for (nf = str_list_first(new_files); nf; nf = str_list_next(new_files, nf)) {
1433 hash_table_insert(&new_files_table, nf->data, nf->data);
1436 for (of = str_list_first(old_files); of; of = str_list_next(old_files, of)) {
1439 old = (char *)of->data;
1440 new = (char *) hash_table_get (&new_files_table, old);
1444 if (file_is_dir(old)) {
1447 owner = file_hash_get_file_owner(conf, old);
1448 if (owner != old_pkg) {
1449 /* in case obsolete file no longer belongs to old_pkg */
1453 /* old file is obsolete */
1454 opkg_message(conf, OPKG_INFO,
1455 " removing obsolete file %s\n", old);
1456 if (!conf->noaction) {
1459 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1465 hash_table_deinit(&new_files_table);
1466 pkg_free_installed_files(old_pkg);
1467 pkg_free_installed_files(pkg);
1472 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1477 sprintf_alloc(&prefix, "%s.", pkg->name);
1478 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1479 pkg->dest->info_dir,
1485 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1487 /* DPKG_INCOMPATIBILITY:
1488 This is a fairly sophisticated dpkg operation. Shall we
1491 /* Any packages all of whose files have been overwritten during the
1492 installation, and which aren't required for dependencies, are
1493 considered to have been removed. For each such package
1494 1. disappearer's-postrm disappear overwriter overwriter-version
1495 2. The package's maintainer scripts are removed
1496 3. It is noted in the status database as being in a sane state,
1497 namely not installed (any conffiles it may have are ignored,
1498 rather than being removed by dpkg). Note that disappearing
1499 packages do not have their prerm called, because dpkg doesn't
1500 know in advance that the package is going to vanish.
1505 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1509 /* opkg takes a slightly different approach to data file backups
1510 than dpkg. Rather than removing backups at this point, we
1511 actually do the data file installation now. See comments in
1512 check_data_file_clashes() for more details. */
1514 opkg_message(conf, OPKG_INFO,
1515 " extracting data files to %s\n", pkg->dest->root_dir);
1516 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1521 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1522 so we can't save ourself from removing important packages
1523 At this point we (should) have extracted the .control file, so it
1524 would be a good idea to reload the data in it, and set the Essential
1525 state in *pkg. From now on the Essential is back in status file and
1526 we can protect again.
1527 We should operate this way:
1528 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1529 check for "Essential" in it
1530 set the value in pkg->essential.
1531 This new routine could be useful also for every other flag
1533 set_flags_from_control(conf, pkg) ;
1535 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1536 err = pkg_write_filelist(conf, pkg);
1540 /* XXX: FEATURE: opkg should identify any files which existed
1541 before installation and which were overwritten, (see
1542 check_data_file_clashes()). What it must do is remove any such
1543 files from the filelist of the old package which provided the
1544 file. Otherwise, if the old package were removed at some point
1545 it would break the new package. Removing the new package will
1546 also break the old one, but this cannot be helped since the old
1547 package's file has already been deleted. This is the importance
1548 of check_data_file_clashes(), and only allowing opkg to install
1549 a clashing package with a user force. */
1554 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1556 conffile_list_elt_t *iter;
1561 if (conf->noaction) return 0;
1563 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1564 char *root_filename;
1565 cf = (conffile_t *)iter->data;
1566 root_filename = root_filename_alloc(conf, cf->name);
1568 /* Might need to initialize the md5sum for each conffile */
1569 if (cf->value == NULL) {
1570 cf->value = file_md5sum_alloc(root_filename);
1573 if (!file_exists(root_filename)) {
1574 free(root_filename);
1578 cf_backup = backup_filename_alloc(root_filename);
1581 if (file_exists(cf_backup)) {
1582 /* Let's compute md5 to test if files are changed */
1583 md5sum = file_md5sum_alloc(cf_backup);
1584 if (md5sum && cf->value && strcmp(cf->value,md5sum) != 0 ) {
1585 if (conf->force_maintainer) {
1586 opkg_message(conf, OPKG_NOTICE, "Conffile %s using maintainer's setting.\n", cf_backup);
1587 } else if (conf->force_defaults
1588 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1589 rename(cf_backup, root_filename);
1598 free(root_filename);
1604 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1607 const char *short_file_name;
1609 short_file_name = strrchr(file_name, '/');
1610 if (short_file_name) {
1613 short_file_name = file_name;
1617 response = get_user_response(" Configuration file '%s'\n"
1618 " ==> File on system created by you or by a script.\n"
1619 " ==> File also in package provided by package maintainer.\n"
1620 " What would you like to do about it ? Your options are:\n"
1621 " Y or I : install the package maintainer's version\n"
1622 " N or O : keep your currently-installed version\n"
1623 " D : show the differences between the versions (if diff is installed)\n"
1624 " The default action is to keep your current version.\n"
1625 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1626 if (strcmp(response, "y") == 0
1627 || strcmp(response, "i") == 0
1628 || strcmp(response, "yes") == 0) {
1633 if (strcmp(response, "d") == 0) {
1637 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1638 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1641 printf(" [Press ENTER to continue]\n");
1642 response = file_read_line_alloc(stdin);
1652 /* XXX: CLEANUP: I'd like to move all of the code for
1653 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1654 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1655 pkg_deinit for example). */
1656 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1659 struct dirent *dirent;
1662 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1664 opkg_message(conf, OPKG_DEBUG,
1665 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1666 __FUNCTION__, pkg->tmp_unpack_dir);
1670 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1671 tmp_dir = opendir(pkg->tmp_unpack_dir);
1674 dirent = readdir(tmp_dir);
1675 if (dirent == NULL) {
1678 sprintf_alloc(&tmp_file, "%s/%s",
1679 pkg->tmp_unpack_dir, dirent->d_name);
1680 if (! file_is_dir(tmp_file)) {
1686 rmdir(pkg->tmp_unpack_dir);
1687 free(pkg->tmp_unpack_dir);
1688 pkg->tmp_unpack_dir = NULL;
1692 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1693 pkg->name, pkg->local_filename, conf->tmp_dir);
1694 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1695 unlink(pkg->local_filename);
1696 free(pkg->local_filename);
1697 pkg->local_filename = NULL;
1703 static char *backup_filename_alloc(const char *file_name)
1707 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1712 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1717 backup = backup_filename_alloc(file_name);
1718 err = file_copy(file_name, backup);
1720 opkg_message(conf, OPKG_ERROR,
1721 "%s: Failed to copy %s to %s\n",
1722 __FUNCTION__, file_name, backup);
1730 static int backup_exists_for(const char *file_name)
1735 backup = backup_filename_alloc(file_name);
1737 ret = file_exists(backup);
1744 static int backup_remove(const char *file_name)
1748 backup = backup_filename_alloc(file_name);