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)
587 fprintf(stderr, "pkg shall not be NULL here. please send to the bugzilla!! [%s %d]\n", __FILE__, __LINE__);
590 if (old_pkg->depends_count == 0)
592 for (i=0;i<old_pkg->depends_count;i++) {
594 for (j=0;j<pkg->depends_count;j++) {
595 if (!strcmp(old_pkg->depends_str[i], pkg->depends_str[j])) {
602 d_str = old_pkg->depends_str[i];
603 buf = xcalloc(1, strlen (d_str) + 1);
605 while (d_str[j] != '\0' && d_str[j] != ' ') {
610 buf = xrealloc (buf, strlen (buf) + 1);
611 p = pkg_hash_fetch_installed_by_name (&conf->pkg_hash, buf);
613 fprintf(stderr, "The pkg %s had been removed!!\n", buf);
617 if (p->auto_installed) {
619 abstract_pkg_t **dependents;
620 deps = pkg_has_installed_dependents(conf, NULL, p, &dependents);
622 opkg_message (conf, OPKG_NOTICE,"%s was autoinstalled but is now orphaned, remove it.\n", buf);
623 opkg_remove_pkg(conf, p, 0);
625 opkg_message (conf, OPKG_INFO, "%s was autoinstalled and is still required by %d installed packages\n", buf, deps);
632 /* returns number of installed replacees */
633 int pkg_get_installed_replacees(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
635 abstract_pkg_t **replaces = pkg->replaces;
636 int replaces_count = pkg->replaces_count;
638 for (i = 0; i < replaces_count; i++) {
639 abstract_pkg_t *ab_pkg = replaces[i];
640 pkg_vec_t *pkg_vec = ab_pkg->pkgs;
642 for (j = 0; j < pkg_vec->len; j++) {
643 pkg_t *replacee = pkg_vec->pkgs[j];
644 if (!pkg_conflicts(pkg, replacee))
646 if (replacee->state_status == SS_INSTALLED) {
647 pkg_vec_insert(installed_replacees, replacee);
652 return installed_replacees->len;
655 int pkg_remove_installed_replacees(opkg_conf_t *conf, pkg_vec_t *replacees)
658 int replaces_count = replacees->len;
659 for (i = 0; i < replaces_count; i++) {
660 pkg_t *replacee = replacees->pkgs[i];
662 replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
663 err = opkg_remove_pkg(conf, replacee,0);
670 /* to unwind the removal: make sure they are installed */
671 int pkg_remove_installed_replacees_unwind(opkg_conf_t *conf, pkg_vec_t *replacees)
674 int replaces_count = replacees->len;
675 for (i = 0; i < replaces_count; i++) {
676 pkg_t *replacee = replacees->pkgs[i];
677 if (replacee->state_status != SS_INSTALLED) {
678 opkg_message(conf, OPKG_DEBUG2,"Function: %s calling opkg_install_pkg \n",__FUNCTION__);
679 err = opkg_install_pkg(conf, replacee,0);
687 int caught_sigint = 0;
688 static void opkg_install_pkg_sigint_handler(int sig)
693 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
694 static int opkg_install_check_downgrade(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
697 char message_out[15];
698 char *old_version = pkg_version_str_alloc(old_pkg);
699 char *new_version = pkg_version_str_alloc(pkg);
700 int cmp = pkg_compare_versions(old_pkg, pkg);
703 memset(message_out,'\x0',15);
704 strncpy (message_out,"Upgrading ",strlen("Upgrading "));
705 if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
706 cmp = -1 ; /* then we force opkg to downgrade */
707 strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
708 /* reinstall, and some check could fail asking the "force-reinstall" option */
712 opkg_message(conf, OPKG_NOTICE,
713 "Not downgrading package %s on %s from %s to %s.\n",
714 old_pkg->name, old_pkg->dest->name, old_version, new_version);
716 } else if (cmp < 0) {
717 opkg_message(conf, OPKG_NOTICE,
718 "%s%s on %s from %s to %s...\n",
719 message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
720 pkg->dest = old_pkg->dest;
722 } else /* cmp == 0 */ {
723 if (conf->force_reinstall) {
724 opkg_message(conf, OPKG_NOTICE,
725 "Reinstalling %s (%s) on %s...\n",
726 pkg->name, new_version, old_pkg->dest->name);
727 pkg->dest = old_pkg->dest;
730 opkg_message(conf, OPKG_NOTICE,
731 "Not installing %s (%s) on %s -- already installed.\n",
732 pkg->name, new_version, old_pkg->dest->name);
740 char message_out[15] ;
741 memset(message_out,'\x0',15);
743 strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
745 strncpy( message_out,"Installing ",strlen("Installing ") );
746 char *version = pkg_version_str_alloc(pkg);
748 opkg_message(conf, OPKG_NOTICE,
749 "%s%s (%s) to %s...\n", message_out,
750 pkg->name, version, pkg->dest->name);
757 * @brief Really install a pkg_t
759 int opkg_install_pkg(opkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
763 pkg_t *old_pkg = NULL;
764 pkg_vec_t *replacees;
765 abstract_pkg_t *ab_pkg = NULL;
773 message = 1; /* Coming from an upgrade, and should change the output message */
776 opkg_message(conf, OPKG_ERROR,
777 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
778 return OPKG_INSTALL_ERR_INTERNAL;
781 opkg_message(conf, OPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
783 if (!pkg_arch_supported(conf, pkg)) {
784 opkg_message(conf, OPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
785 pkg->architecture, pkg->name);
786 return OPKG_INSTALL_ERR_INTERNAL;
788 if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
789 err = satisfy_dependencies_for(conf, pkg);
790 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
792 opkg_message(conf, OPKG_NOTICE,
793 "Package %s is already installed in %s.\n",
794 pkg->name, pkg->dest->name);
798 if (pkg->dest == NULL) {
799 pkg->dest = conf->default_dest;
802 old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
804 err = opkg_install_check_downgrade(conf, pkg, old_pkg, message);
805 if (err) { return OPKG_INSTALL_ERR_NO_DOWNGRADE; }
807 pkg->state_want = SW_INSTALL;
809 old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
813 /* Abhaya: conflicts check */
814 err = check_conflicts_for(conf, pkg);
815 if (err) { return OPKG_INSTALL_ERR_CONFLICTS; }
817 /* this setup is to remove the upgrade scenario in the end when
818 installing pkg A, A deps B & B deps on A. So both B and A are
819 installed. Then A's installation is started resulting in an
820 uncecessary upgrade */
821 if (pkg->state_status == SS_INSTALLED
822 && conf->force_reinstall == 0) return 0;
824 err = verify_pkg_installable(conf, pkg);
825 if (err) { return OPKG_INSTALL_ERR_NO_SPACE; }
827 if (pkg->local_filename == NULL) {
828 err = opkg_download_pkg(conf, pkg, conf->tmp_dir);
830 opkg_message(conf, OPKG_ERROR,
831 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
833 return OPKG_INSTALL_ERR_DOWNLOAD;
837 /* check that the repository is valid */
838 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
839 char *list_file_name, *sig_file_name, *lists_dir;
841 /* check to ensure the package has come from a repository */
842 if (conf->check_signature && pkg->src)
844 sprintf_alloc (&lists_dir, "%s",
845 (conf->restrict_to_default_dest)
846 ? conf->default_dest->lists_dir
848 sprintf_alloc (&list_file_name, "%s/%s", lists_dir, pkg->src->name);
849 sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, pkg->src->name);
851 if (file_exists (sig_file_name))
853 if (opkg_verify_file (conf, list_file_name, sig_file_name)){
854 opkg_message(conf, OPKG_ERROR, "Failed to verify the signature of: %s\n",
856 return OPKG_INSTALL_ERR_SIGNATURE;
859 opkg_message(conf, OPKG_ERROR, "Signature file is missing. "
860 "Perhaps you need to run 'opkg update'?\n");
861 return OPKG_INSTALL_ERR_SIGNATURE;
865 free (list_file_name);
866 free (sig_file_name);
870 /* Check for md5 values */
873 file_md5 = file_md5sum_alloc(pkg->local_filename);
874 if (file_md5 && strcmp(file_md5, pkg->md5sum))
876 opkg_message(conf, OPKG_ERROR,
877 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
880 return OPKG_INSTALL_ERR_MD5;
887 /* Check for sha256 value */
890 file_sha256 = file_sha256sum_alloc(pkg->local_filename);
891 if (file_sha256 && strcmp(file_sha256, pkg->sha256sum))
893 opkg_message(conf, OPKG_ERROR,
894 "Package %s sha256sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
897 return OPKG_INSTALL_ERR_SHA256;
904 if (pkg->tmp_unpack_dir == NULL) {
905 unpack_pkg_control_files(conf, pkg);
908 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
909 /* Pigi: check if it will pass from here when replacing. It seems to fail */
910 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
911 err = update_file_ownership(conf, pkg, old_pkg);
912 if (err) { return OPKG_ERR_UNKNOWN; }
914 if (conf->nodeps == 0) {
915 err = satisfy_dependencies_for(conf, pkg);
916 if (err) { return OPKG_INSTALL_ERR_DEPENDENCIES; }
919 replacees = pkg_vec_alloc();
920 pkg_get_installed_replacees(conf, pkg, replacees);
922 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
924 sigset_t newset, oldset;
925 sighandler_t old_handler = NULL;
929 old_handler = signal(SIGINT, opkg_install_pkg_sigint_handler);
931 sigemptyset(&newset);
932 sigaddset(&newset, SIGINT);
933 sigprocmask(SIG_BLOCK, &newset, &oldset);
936 opkg_state_changed++;
937 pkg->state_flag |= SF_FILELIST_CHANGED;
939 pkg_remove_orphan_dependent(conf, pkg, old_pkg);
941 /* XXX: BUG: we really should treat replacement more like an upgrade
942 * Instead, we're going to remove the replacees
944 err = pkg_remove_installed_replacees(conf, replacees);
945 if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
947 err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
948 if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
950 err = prerm_deconfigure_conflictors(conf, pkg, replacees);
951 if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
953 err = preinst_configure(conf, pkg, old_pkg);
954 if (err) goto UNWIND_PREINST_CONFIGURE;
956 err = backup_modified_conffiles(conf, pkg, old_pkg);
957 if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
959 err = check_data_file_clashes(conf, pkg, old_pkg);
960 if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
962 err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
963 if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
965 if (conf->noaction) return 0;
967 /* point of no return: no unwinding after this */
968 if (old_pkg && !conf->force_reinstall) {
969 old_pkg->state_want = SW_DEINSTALL;
971 if (old_pkg->state_flag & SF_NOPRUNE) {
972 opkg_message(conf, OPKG_INFO,
973 " not removing obsolesced files because package marked noprune\n");
975 opkg_message(conf, OPKG_INFO,
976 " removing obsolesced files\n");
977 remove_obsolesced_files(conf, pkg, old_pkg);
979 /* removing files from old package, to avoid ghost files */
980 remove_data_files_and_list(conf, old_pkg);
981 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
982 remove_maintainer_scripts_except_postrm(conf, old_pkg);
983 remove_postrm(conf, old_pkg);
989 opkg_message(conf, OPKG_INFO,
990 " installing maintainer scripts\n");
991 install_maintainer_scripts(conf, pkg, old_pkg);
993 /* the following just returns 0 */
994 remove_disappeared(conf, pkg);
996 opkg_message(conf, OPKG_INFO,
997 " installing data files\n");
998 install_data_files(conf, pkg);
1000 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
1001 err = check_data_file_clashes_change(conf, pkg, old_pkg);
1003 opkg_message(conf, OPKG_INFO,
1004 " resolving conf files\n");
1005 resolve_conffiles(conf, pkg);
1007 pkg->state_status = SS_UNPACKED;
1008 old_state_flag = pkg->state_flag;
1009 pkg->state_flag &= ~SF_PREFER;
1010 opkg_message(conf, OPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
1012 if (old_pkg && !conf->force_reinstall) {
1013 old_pkg->state_status = SS_NOT_INSTALLED;
1016 time(&pkg->installed_time);
1018 opkg_message(conf, OPKG_INFO,
1019 " cleanup temp files\n");
1020 cleanup_temporary_files(conf, pkg);
1022 ab_pkg = pkg->parent;
1024 ab_pkg->state_status = pkg->state_status;
1026 opkg_message(conf, OPKG_INFO, "Done.\n");
1029 signal(SIGINT, old_handler);
1031 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1032 pkg_vec_free (replacees);
1036 UNWIND_POSTRM_UPGRADE_OLD_PKG:
1037 postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1038 UNWIND_CHECK_DATA_FILE_CLASHES:
1039 check_data_file_clashes_unwind(conf, pkg, old_pkg);
1040 UNWIND_BACKUP_MODIFIED_CONFFILES:
1041 backup_modified_conffiles_unwind(conf, pkg, old_pkg);
1042 UNWIND_PREINST_CONFIGURE:
1043 preinst_configure_unwind(conf, pkg, old_pkg);
1044 UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
1045 prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
1046 UNWIND_PRERM_UPGRADE_OLD_PKG:
1047 prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
1048 UNWIND_REMOVE_INSTALLED_REPLACEES:
1049 pkg_remove_installed_replacees_unwind(conf, replacees);
1051 opkg_message(conf, OPKG_INFO,
1052 " cleanup temp files\n");
1053 cleanup_temporary_files(conf, pkg);
1055 opkg_message(conf, OPKG_INFO,
1058 signal(SIGINT, old_handler);
1060 sigprocmask(SIG_UNBLOCK, &newset, &oldset);
1062 pkg_vec_free (replacees);
1063 return OPKG_ERR_UNKNOWN;
1067 static int prerm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1069 /* DPKG_INCOMPATIBILITY:
1070 dpkg does some things here that we don't do yet. Do we care?
1072 1. If a version of the package is already installed, call
1073 old-prerm upgrade new-version
1074 2. If the script runs but exits with a non-zero exit status
1075 new-prerm failed-upgrade old-version
1076 Error unwind, for both the above cases:
1077 old-postinst abort-upgrade new-version
1082 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1084 /* DPKG_INCOMPATIBILITY:
1085 dpkg does some things here that we don't do yet. Do we care?
1086 (See prerm_upgrade_old_package for details)
1091 static int prerm_deconfigure_conflictors(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1093 /* DPKG_INCOMPATIBILITY:
1094 dpkg does some things here that we don't do yet. Do we care?
1095 2. If a 'conflicting' package is being removed at the same time:
1096 1. If any packages depended on that conflicting package and
1097 --auto-deconfigure is specified, call, for each such package:
1098 deconfigured's-prerm deconfigure \
1099 in-favour package-being-installed version \
1100 removing conflicting-package version
1102 deconfigured's-postinst abort-deconfigure \
1103 in-favour package-being-installed-but-failed version \
1104 removing conflicting-package version
1106 The deconfigured packages are marked as requiring
1107 configuration, so that if --install is used they will be
1108 configured again if possible.
1109 2. To prepare for removal of the conflicting package, call:
1110 conflictor's-prerm remove in-favour package new-version
1112 conflictor's-postinst abort-remove in-favour package new-version
1117 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
1119 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1120 do yet. Do we care? (See prerm_deconfigure_conflictors for
1125 static int preinst_configure(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1131 char *old_version = pkg_version_str_alloc(old_pkg);
1132 sprintf_alloc(&preinst_args, "upgrade %s", old_version);
1134 } else if (pkg->state_status == SS_CONFIG_FILES) {
1135 char *pkg_version = pkg_version_str_alloc(pkg);
1136 sprintf_alloc(&preinst_args, "install %s", pkg_version);
1139 preinst_args = xstrdup("install");
1142 err = pkg_run_script(conf, pkg, "preinst", preinst_args);
1144 opkg_message(conf, OPKG_ERROR,
1145 "Aborting installation of %s\n", pkg->name);
1154 static int preinst_configure_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1156 /* DPKG_INCOMPATIBILITY:
1157 dpkg does the following error unwind, should we?
1158 pkg->postrm abort-upgrade old-version
1159 OR pkg->postrm abort-install old-version
1160 OR pkg->postrm abort-install
1165 static int backup_modified_conffiles(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1168 conffile_list_elt_t *iter;
1171 if (conf->noaction) return 0;
1173 /* Backup all modified conffiles */
1175 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1179 cf_name = root_filename_alloc(conf, cf->name);
1181 /* Don't worry if the conffile is just plain gone */
1182 if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
1183 err = backup_make_backup(conf, cf_name);
1192 /* Backup all conffiles that were not conffiles in old_pkg */
1193 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1195 cf = (conffile_t *)iter->data;
1196 cf_name = root_filename_alloc(conf, cf->name);
1197 /* Ignore if this was a conffile in old_pkg as well */
1198 if (pkg_get_conffile(old_pkg, cf->name)) {
1202 if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
1203 err = backup_make_backup(conf, cf_name);
1214 static int backup_modified_conffiles_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1216 conffile_list_elt_t *iter;
1219 for (iter = nv_pair_list_first(&old_pkg->conffiles); iter; iter = nv_pair_list_next(&old_pkg->conffiles, iter)) {
1220 backup_remove(((nv_pair_t *)iter->data)->name);
1224 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1225 backup_remove(((nv_pair_t *)iter->data)->name);
1232 static int check_data_file_clashes(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1234 /* DPKG_INCOMPATIBILITY:
1235 opkg takes a slightly different approach than dpkg at this
1236 point. dpkg installs each file in the new package while
1237 creating a backup for any file that is replaced, (so that it
1238 can unwind if necessary). To avoid complexity and redundant
1239 storage, opkg doesn't do any installation until later, (at the
1240 point at which dpkg removes the backups.
1242 But, we do have to check for data file clashes, since after
1243 installing a package with a file clash, removing either of the
1244 packages involved in the clash has the potential to break the
1247 str_list_t *files_list;
1248 str_list_elt_t *iter, *niter;
1252 files_list = pkg_get_installed_files(pkg);
1253 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1255 iter = niter, niter = str_list_next(files_list, iter)) {
1256 char *root_filename;
1257 char *filename = (char *) iter->data;
1258 root_filename = root_filename_alloc(conf, filename);
1259 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1262 /* Pre-existing conffiles are OK */
1263 /* @@@@ should have way to check that it is a conffile -Jamey */
1264 if (backup_exists_for(root_filename)) {
1268 /* Pre-existing files are OK if force-overwrite was asserted. */
1269 if (conf->force_overwrite) {
1270 /* but we need to change who owns this file */
1271 file_hash_set_file_owner(conf, filename, pkg);
1275 owner = file_hash_get_file_owner(conf, filename);
1277 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1278 if (owner && old_pkg) {
1279 if (strcmp(owner->name, old_pkg->name) == 0) {
1284 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1286 opkg_message(conf, OPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
1287 if (pkg_replaces(pkg, owner)) {
1290 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1291 then it's ok to overwrite. */
1292 if (strcmp(owner->name,pkg->name)==0){
1293 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1298 /* Pre-existing files are OK if they are obsolete */
1299 obs = hash_table_get(&conf->obs_file_hash, filename);
1301 opkg_message(conf, OPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
1305 /* We have found a clash. */
1306 opkg_message(conf, OPKG_ERROR,
1307 "Package %s wants to install file %s\n"
1308 "\tBut that file is already provided by package ",
1309 pkg->name, filename);
1311 opkg_message(conf, OPKG_ERROR,
1312 "%s\n", owner->name);
1314 opkg_message(conf, OPKG_ERROR,
1315 "<no package>\nPlease move this file out of the way and try again.\n");
1319 free(root_filename);
1321 pkg_free_installed_files(pkg);
1326 static int check_data_file_clashes_change(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1328 /* Basically that's the worst hack I could do to be able to change ownership of
1329 file list, but, being that we have no way to unwind the mods, due to structure
1330 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1331 What we do here is change the ownership of file in hash if a replace ( or similar events
1333 Only the action that are needed to change name should be considered.
1334 @@@ To change after 1.0 release.
1336 str_list_t *files_list;
1337 str_list_elt_t *iter, *niter;
1339 char *root_filename = NULL;
1343 files_list = pkg_get_installed_files(pkg);
1344 for (iter = str_list_first(files_list), niter = str_list_next(files_list, iter);
1346 iter = niter, niter = str_list_next(files_list, niter)) {
1347 char *filename = (char *) iter->data;
1348 if (root_filename) {
1349 free(root_filename);
1350 root_filename = NULL;
1352 root_filename = root_filename_alloc(conf, filename);
1353 if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
1356 owner = file_hash_get_file_owner(conf, filename);
1358 if (conf->force_overwrite) {
1359 /* but we need to change who owns this file */
1360 file_hash_set_file_owner(conf, filename, pkg);
1365 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1367 if (pkg_replaces(pkg, owner)) {
1368 /* It's now time to change the owner of that file.
1369 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1370 opkg_message(conf, OPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
1371 file_hash_set_file_owner(conf, filename, pkg);
1378 if (root_filename) {
1379 free(root_filename);
1380 root_filename = NULL;
1382 pkg_free_installed_files(pkg);
1387 static int check_data_file_clashes_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1389 /* Nothing to do since check_data_file_clashes doesn't change state */
1393 static int postrm_upgrade_old_pkg(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1395 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1396 1. If the package is being upgraded, call
1397 old-postrm upgrade new-version
1398 2. If this fails, attempt:
1399 new-postrm failed-upgrade old-version
1400 Error unwind, for both cases:
1401 old-preinst abort-upgrade new-version */
1405 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1407 /* DPKG_INCOMPATIBILITY:
1408 dpkg does some things here that we don't do yet. Do we care?
1409 (See postrm_upgrade_old_pkg for details)
1414 static int remove_obsolesced_files(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1417 str_list_t *old_files;
1419 str_list_t *new_files;
1421 hash_table_t new_files_table;
1423 if (old_pkg == NULL) {
1427 old_files = pkg_get_installed_files(old_pkg);
1428 new_files = pkg_get_installed_files(pkg);
1430 new_files_table.entries = NULL;
1431 hash_table_init("new_files" , &new_files_table, 20);
1432 for (nf = str_list_first(new_files); nf; nf = str_list_next(new_files, nf)) {
1434 hash_table_insert(&new_files_table, nf->data, nf->data);
1437 for (of = str_list_first(old_files); of; of = str_list_next(old_files, of)) {
1440 old = (char *)of->data;
1441 new = (char *) hash_table_get (&new_files_table, old);
1445 if (file_is_dir(old)) {
1448 owner = file_hash_get_file_owner(conf, old);
1449 if (owner != old_pkg) {
1450 /* in case obsolete file no longer belongs to old_pkg */
1454 /* old file is obsolete */
1455 opkg_message(conf, OPKG_INFO,
1456 " removing obsolete file %s\n", old);
1457 if (!conf->noaction) {
1460 opkg_message(conf, OPKG_ERROR, " Warning: remove %s failed: %s\n", old,
1466 hash_table_deinit(&new_files_table);
1467 pkg_free_installed_files(old_pkg);
1468 pkg_free_installed_files(pkg);
1473 static int remove_obsolete_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1481 opkg_message(conf, OPKG_ERROR, "%s: no dest for package %s\n", __FUNCTION__, pkg->name);
1484 sprintf_alloc(&globpattern, "%s/%s.*", pkg->dest->info_dir, pkg->name);
1485 err = glob(globpattern, 0, NULL, &globbuf);
1490 /* XXXX this should perhaps only remove the ones that are not overwritten in new package. Jamey 11/11/2003 */
1491 for (i = 0; i < globbuf.gl_pathc; i++) {
1492 opkg_message(conf, OPKG_DEBUG, "Removing control file %s from old_pkg %s\n",
1493 globbuf.gl_pathv[i], old_pkg->name);
1494 if (!conf->noaction)
1495 unlink(globbuf.gl_pathv[i]);
1502 static int install_maintainer_scripts(opkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
1508 remove_obsolete_maintainer_scripts(conf, pkg, old_pkg);
1509 sprintf_alloc(&prefix, "%s.", pkg->name);
1510 ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
1511 pkg->dest->info_dir,
1517 static int remove_disappeared(opkg_conf_t *conf, pkg_t *pkg)
1519 /* DPKG_INCOMPATIBILITY:
1520 This is a fairly sophisticated dpkg operation. Shall we
1523 /* Any packages all of whose files have been overwritten during the
1524 installation, and which aren't required for dependencies, are
1525 considered to have been removed. For each such package
1526 1. disappearer's-postrm disappear overwriter overwriter-version
1527 2. The package's maintainer scripts are removed
1528 3. It is noted in the status database as being in a sane state,
1529 namely not installed (any conffiles it may have are ignored,
1530 rather than being removed by dpkg). Note that disappearing
1531 packages do not have their prerm called, because dpkg doesn't
1532 know in advance that the package is going to vanish.
1537 static int install_data_files(opkg_conf_t *conf, pkg_t *pkg)
1541 /* opkg takes a slightly different approach to data file backups
1542 than dpkg. Rather than removing backups at this point, we
1543 actually do the data file installation now. See comments in
1544 check_data_file_clashes() for more details. */
1546 opkg_message(conf, OPKG_INFO,
1547 " extracting data files to %s\n", pkg->dest->root_dir);
1548 err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
1553 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1554 so we can't save ourself from removing important packages
1555 At this point we (should) have extracted the .control file, so it
1556 would be a good idea to reload the data in it, and set the Essential
1557 state in *pkg. From now on the Essential is back in status file and
1558 we can protect again.
1559 We should operate this way:
1560 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1561 check for "Essential" in it
1562 set the value in pkg->essential.
1563 This new routine could be useful also for every other flag
1565 set_flags_from_control(conf, pkg) ;
1567 opkg_message(conf, OPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
1568 err = pkg_write_filelist(conf, pkg);
1572 /* XXX: FEATURE: opkg should identify any files which existed
1573 before installation and which were overwritten, (see
1574 check_data_file_clashes()). What it must do is remove any such
1575 files from the filelist of the old package which provided the
1576 file. Otherwise, if the old package were removed at some point
1577 it would break the new package. Removing the new package will
1578 also break the old one, but this cannot be helped since the old
1579 package's file has already been deleted. This is the importance
1580 of check_data_file_clashes(), and only allowing opkg to install
1581 a clashing package with a user force. */
1586 static int resolve_conffiles(opkg_conf_t *conf, pkg_t *pkg)
1588 conffile_list_elt_t *iter;
1593 if (conf->noaction) return 0;
1595 for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
1596 char *root_filename;
1597 cf = (conffile_t *)iter->data;
1598 root_filename = root_filename_alloc(conf, cf->name);
1600 /* Might need to initialize the md5sum for each conffile */
1601 if (cf->value == NULL) {
1602 cf->value = file_md5sum_alloc(root_filename);
1605 if (!file_exists(root_filename)) {
1606 free(root_filename);
1610 cf_backup = backup_filename_alloc(root_filename);
1613 if (file_exists(cf_backup)) {
1614 /* Let's compute md5 to test if files are changed */
1615 md5sum = file_md5sum_alloc(cf_backup);
1616 if (md5sum && cf->value && strcmp(cf->value,md5sum) != 0 ) {
1617 if (conf->force_maintainer) {
1618 opkg_message(conf, OPKG_NOTICE, "Conffile %s using maintainer's setting.\n", cf_backup);
1619 } else if (conf->force_defaults
1620 || user_prefers_old_conffile(cf->name, cf_backup) ) {
1621 rename(cf_backup, root_filename);
1630 free(root_filename);
1636 static int user_prefers_old_conffile(const char *file_name, const char *backup)
1639 const char *short_file_name;
1641 short_file_name = strrchr(file_name, '/');
1642 if (short_file_name) {
1645 short_file_name = file_name;
1649 response = get_user_response(" Configuration file '%s'\n"
1650 " ==> File on system created by you or by a script.\n"
1651 " ==> File also in package provided by package maintainer.\n"
1652 " What would you like to do about it ? Your options are:\n"
1653 " Y or I : install the package maintainer's version\n"
1654 " N or O : keep your currently-installed version\n"
1655 " D : show the differences between the versions (if diff is installed)\n"
1656 " The default action is to keep your current version.\n"
1657 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
1658 if (strcmp(response, "y") == 0
1659 || strcmp(response, "i") == 0
1660 || strcmp(response, "yes") == 0) {
1665 if (strcmp(response, "d") == 0) {
1669 /* XXX: BUG rewrite to use exec or busybox's internal diff */
1670 sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
1673 printf(" [Press ENTER to continue]\n");
1674 response = file_read_line_alloc(stdin);
1684 /* XXX: CLEANUP: I'd like to move all of the code for
1685 creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
1686 it would make sense to cleanup pkg->tmp_unpack_dir directly from
1687 pkg_deinit for example). */
1688 static int cleanup_temporary_files(opkg_conf_t *conf, pkg_t *pkg)
1691 struct dirent *dirent;
1694 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
1696 opkg_message(conf, OPKG_DEBUG,
1697 "%s: Not cleaning up %s since opkg compiled with OPKG_DEBUG_NO_TMP_CLEANUP\n",
1698 __FUNCTION__, pkg->tmp_unpack_dir);
1702 if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
1703 tmp_dir = opendir(pkg->tmp_unpack_dir);
1706 dirent = readdir(tmp_dir);
1707 if (dirent == NULL) {
1710 sprintf_alloc(&tmp_file, "%s/%s",
1711 pkg->tmp_unpack_dir, dirent->d_name);
1712 if (! file_is_dir(tmp_file)) {
1718 rmdir(pkg->tmp_unpack_dir);
1719 free(pkg->tmp_unpack_dir);
1720 pkg->tmp_unpack_dir = NULL;
1724 opkg_message(conf, OPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
1725 pkg->name, pkg->local_filename, conf->tmp_dir);
1726 if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
1727 unlink(pkg->local_filename);
1728 free(pkg->local_filename);
1729 pkg->local_filename = NULL;
1735 static char *backup_filename_alloc(const char *file_name)
1739 sprintf_alloc(&backup, "%s%s", file_name, OPKG_BACKUP_SUFFIX);
1744 int backup_make_backup(opkg_conf_t *conf, const char *file_name)
1749 backup = backup_filename_alloc(file_name);
1750 err = file_copy(file_name, backup);
1752 opkg_message(conf, OPKG_ERROR,
1753 "%s: Failed to copy %s to %s\n",
1754 __FUNCTION__, file_name, backup);
1762 static int backup_exists_for(const char *file_name)
1767 backup = backup_filename_alloc(file_name);
1769 ret = file_exists(backup);
1776 static int backup_remove(const char *file_name)
1780 backup = backup_filename_alloc(file_name);