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-rw-r--r--ipkg_install.c1942
1 files changed, 0 insertions, 1942 deletions
diff --git a/ipkg_install.c b/ipkg_install.c
deleted file mode 100644
index aa48d65..0000000
--- a/ipkg_install.c
+++ /dev/null
@@ -1,1942 +0,0 @@
-/* ipkg_install.c - the itsy package management system
-
- Carl D. Worth
-
- Copyright (C) 2001 University of Southern California
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2, or (at
- your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-*/
-
-#include "ipkg.h"
-#include <errno.h>
-#include <dirent.h>
-#include <glob.h>
-#include <time.h>
-#include <signal.h>
-typedef void (*sighandler_t)(int);
-
-#include "pkg.h"
-#include "pkg_hash.h"
-#include "pkg_extract.h"
-
-#include "ipkg_install.h"
-#include "ipkg_configure.h"
-#include "ipkg_download.h"
-#include "ipkg_remove.h"
-
-#include "ipkg_utils.h"
-#include "ipkg_message.h"
-
-#include "sprintf_alloc.h"
-#include "file_util.h"
-#include "str_util.h"
-#include "xsystem.h"
-#include "user.h"
-
-int satisfy_dependencies_for(ipkg_conf_t *conf, pkg_t *pkg);
-static int verify_pkg_installable(ipkg_conf_t *conf, pkg_t *pkg);
-static int unpack_pkg_control_files(ipkg_conf_t *conf, pkg_t *pkg);
-
-static int prerm_upgrade_old_pkg(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int prerm_upgrade_old_pkg_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int prerm_deconfigure_conflictors(ipkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors);
-static int prerm_deconfigure_conflictors_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors);
-static int preinst_configure(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int preinst_configure_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int check_data_file_clashes(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int check_data_file_clashes_change(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int check_data_file_clashes_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int backup_modified_conffiles(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int backup_modified_conffiles_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int postrm_upgrade_old_pkg(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int postrm_upgrade_old_pkg_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-
-static int remove_obsolesced_files(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int install_maintainer_scripts(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg);
-static int remove_disappeared(ipkg_conf_t *conf, pkg_t *pkg);
-static int install_data_files(ipkg_conf_t *conf, pkg_t *pkg);
-static int resolve_conffiles(ipkg_conf_t *conf, pkg_t *pkg);
-
-static int cleanup_temporary_files(ipkg_conf_t *conf, pkg_t *pkg);
-
-static int user_prefers_old_conffile(const char *file, const char *backup);
-
-static char *backup_filename_alloc(const char *file_name);
-static int backup_make_backup(ipkg_conf_t *conf, const char *file_name);
-static int backup_exists_for(const char *file_name);
-static int backup_remove(const char *file_name);
-
-
-int ipkg_install_from_file(ipkg_conf_t *conf, const char *filename)
-{
- int err, cmp;
- pkg_t *pkg, *old;
- char *old_version, *new_version;
-
- pkg = pkg_new();
- if (pkg == NULL) {
- return ENOMEM;
- }
-
- err = pkg_init_from_file(pkg, filename);
- if (err) {
- return err;
- }
-
- if (!pkg->architecture) {
- ipkg_message(conf, IPKG_ERROR, "Package %s has no Architecture defined.\n", pkg->name);
- return -EINVAL;
- }
-
- /* XXX: CLEANUP: hash_insert_pkg has a nasty side effect of possibly
- freeing the pkg that we pass in. It might be nice to clean this up
- if possible. */
- pkg = hash_insert_pkg(&conf->pkg_hash, pkg, 1,conf);
- old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
-
- pkg->local_filename = strdup(filename);
-
- if (old) {
- old_version = pkg_version_str_alloc(old);
- new_version = pkg_version_str_alloc(pkg);
-
- cmp = pkg_compare_versions(old, pkg);
- if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
- cmp = -1 ; /* then we force ipkg to downgrade */
- /* We need to use a value < 0 because in the 0 case we are asking to */
- /* reinstall, and some check could fail asking the "force-reinstall" option */
- }
- if (cmp > 0) {
- ipkg_message(conf, IPKG_NOTICE,
- "Not downgrading package %s on %s from %s to %s.\n",
- old->name, old->dest->name, old_version, new_version);
- pkg->state_want = SW_DEINSTALL;
- pkg->state_flag |= SF_OBSOLETE;
- free(old_version);
- free(new_version);
- return 0;
- } else {
- free(old_version);
- free(new_version);
- }
- }
-
- ipkg_message(conf, IPKG_DEBUG2,"Function: %s calling ipkg_install_pkg \n",__FUNCTION__);
- return ipkg_install_pkg(conf, pkg,0);
-}
-
-ipkg_error_t ipkg_install_by_name(ipkg_conf_t *conf, const char *pkg_name)
-{
- int cmp;
- pkg_t *old, *new;
- char *old_version, *new_version;
-
- ipkg_message(conf, IPKG_DEBUG2, " Getting old from pkg_hash_fetch \n" );
- old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
- if ( old )
- ipkg_message(conf, IPKG_DEBUG2, " Old versions from pkg_hash_fetch %s \n", old->version );
-
- ipkg_message(conf, IPKG_DEBUG2, " Getting new from pkg_hash_fetch \n" );
- new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name);
- if ( new )
- ipkg_message(conf, IPKG_DEBUG2, " New versions from pkg_hash_fetch %s \n", new->version );
-
-/* Pigi Basically here is broken the version stuff.
- What's happening is that nothing provide the version to differents
- functions, so the returned struct is always the latest.
- That's why the install by name don't work.
-*/
- ipkg_message(conf, IPKG_DEBUG2, " Versions from pkg_hash_fetch in %s ", __FUNCTION__ );
-
- if ( old )
- ipkg_message(conf, IPKG_DEBUG2, " old %s ", old->version );
- if ( new )
- ipkg_message(conf, IPKG_DEBUG2, " new %s ", new->version );
- ipkg_message(conf, IPKG_DEBUG2, " \n");
-
- if (new == NULL) {
- return IPKG_PKG_HAS_NO_CANDIDATE;
- }
-
- new->state_flag |= SF_USER;
- if (old) {
- old_version = pkg_version_str_alloc(old);
- new_version = pkg_version_str_alloc(new);
-
- cmp = pkg_compare_versions(old, new);
- if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
- ipkg_message(conf, IPKG_DEBUG, " Forcing downgrade \n");
- cmp = -1 ; /* then we force ipkg to downgrade */
- /* We need to use a value < 0 because in the 0 case we are asking to */
- /* reinstall, and some check could fail asking the "force-reinstall" option */
- }
- ipkg_message(conf, IPKG_DEBUG,
- "Comparing visible versions of pkg %s:"
- "\n\t%s is installed "
- "\n\t%s is available "
- "\n\t%d was comparison result\n",
- pkg_name, old_version, new_version, cmp);
- if (cmp == 0 && !conf->force_reinstall) {
- ipkg_message(conf, IPKG_NOTICE,
- "Package %s (%s) installed in %s is up to date.\n",
- old->name, old_version, old->dest->name);
- free(old_version);
- free(new_version);
- return 0;
- } else if (cmp > 0) {
- ipkg_message(conf, IPKG_NOTICE,
- "Not downgrading package %s on %s from %s to %s.\n",
- old->name, old->dest->name, old_version, new_version);
- free(old_version);
- free(new_version);
- return 0;
- } else if (cmp < 0) {
- new->dest = old->dest;
- old->state_want = SW_DEINSTALL; /* Here probably the problem for bug 1277 */
- }
- }
-
- /* XXX: CLEANUP: The error code of ipkg_install_by_name is really
- supposed to be an ipkg_error_t, but ipkg_install_pkg could
- return any kind of integer, (might be errno from a syscall,
- etc.). This is a real mess and will need to be cleaned up if
- anyone ever wants to make a nice libipkg. */
-
- ipkg_message(conf, IPKG_DEBUG2,"Function: %s calling ipkg_install_pkg \n",__FUNCTION__);
- return ipkg_install_pkg(conf, new,0);
-}
-
-ipkg_error_t ipkg_install_multi_by_name(ipkg_conf_t *conf, const char *pkg_name)
-{
- abstract_pkg_vec_t *providers = pkg_hash_fetch_all_installation_candidates (&conf->pkg_hash, pkg_name);
- int i;
- ipkg_error_t err;
- abstract_pkg_t *ppkg ;
-
- if (providers == NULL)
- return IPKG_PKG_HAS_NO_CANDIDATE;
-
- for (i = 0; i < providers->len; i++) {
- ppkg = abstract_pkg_vec_get(providers, i);
- ipkg_message(conf, IPKG_DEBUG2,"Function: %s calling ipkg_install_by_name %d \n",__FUNCTION__, i);
- err = ipkg_install_by_name(conf, ppkg->name);
- if (err)
- return err;
-/* XXX Maybe ppkg should be freed ? */
- }
- return 0;
-}
-
-/*
- * Walk dependence graph starting with pkg, collect packages to be
- * installed into pkgs_needed, in dependence order.
- */
-int pkg_mark_dependencies_for_installation(ipkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *pkgs_needed)
-{
- int i, err;
- pkg_vec_t *depends = pkg_vec_alloc();
- char **unresolved = NULL;
- int ndepends;
-
- ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
- pkg, depends,
- &unresolved);
-
- if (unresolved) {
- ipkg_message(conf, IPKG_ERROR,
- "%s: Cannot satisfy the following dependencies for %s:\n\t",
- conf->force_depends ? "Warning" : "ERROR", pkg->name);
- while (*unresolved) {
- ipkg_message(conf, IPKG_ERROR, " %s", *unresolved);
- unresolved++;
- }
- ipkg_message(conf, IPKG_ERROR, "\n");
- if (! conf->force_depends) {
- ipkg_message(conf, IPKG_INFO,
- "This could mean that your package list is out of date or that the packages\n"
- "mentioned above do not yet exist (try 'ipkg update'). To proceed in spite\n"
- "of this problem try again with the '-force-depends' option.\n");
- pkg_vec_free(depends);
- return IPKG_PKG_DEPS_UNSATISFIED;
- }
- }
-
- if (ndepends <= 0) {
- pkg_vec_free(depends);
- return 0;
- }
-
- for (i = 0; i < depends->len; i++) {
- pkg_t *dep = depends->pkgs[i];
- /* The package was uninstalled when we started, but another
- dep earlier in this loop may have depended on it and pulled
- it in, so check first. */
- if ((dep->state_status != SS_INSTALLED)
- && (dep->state_status != SS_UNPACKED)
- && (dep->state_want != SW_INSTALL)) {
-
- /* Mark packages as to-be-installed */
- dep->state_want = SW_INSTALL;
-
- /* Dependencies should be installed the same place as pkg */
- if (dep->dest == NULL) {
- dep->dest = pkg->dest;
- }
-
- err = pkg_mark_dependencies_for_installation(conf, dep, pkgs_needed);
- if (err) {
- pkg_vec_free(depends);
- return err;
- }
- }
- }
- if (pkgs_needed)
- pkg_vec_insert(pkgs_needed, pkg);
-
- pkg_vec_free(depends);
-
- return 0;
-}
-
-int name_mark_dependencies_for_installation(ipkg_conf_t *conf, const char *pkg_name, pkg_vec_t *pkgs_needed)
-{
- int cmp;
- pkg_t *old, *new;
- char *old_version, *new_version;
-
- old = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg_name);
-
- new = pkg_hash_fetch_best_installation_candidate_by_name(conf, pkg_name);
- if (new == NULL) {
- return IPKG_PKG_HAS_NO_CANDIDATE;
- }
- if (old) {
- old_version = pkg_version_str_alloc(old);
- new_version = pkg_version_str_alloc(new);
-
- cmp = pkg_compare_versions(old, new);
- if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
- ipkg_message(conf, IPKG_DEBUG, " Forcing downgrade ");
- cmp = -1 ; /* then we force ipkg to downgrade */
- /* We need to use a value < 0 because in the 0 case we are asking to */
- /* reinstall, and some check could fail asking the "force-reinstall" option */
- }
- ipkg_message(conf, IPKG_DEBUG,
- "comparing visible versions of pkg %s:"
- "\n\t%s is installed "
- "\n\t%s is available "
- "\n\t%d was comparison result\n",
- pkg_name, old_version, new_version, cmp);
- if (cmp == 0 && !conf->force_reinstall) {
- ipkg_message(conf, IPKG_NOTICE,
- "Package %s (%s) installed in %s is up to date.\n",
- old->name, old_version, old->dest->name);
- free(old_version);
- free(new_version);
- return 0;
- } else if (cmp > 0) {
- ipkg_message(conf, IPKG_NOTICE,
- "Not downgrading package %s on %s from %s to %s.\n",
- old->name, old->dest->name, old_version, new_version);
- free(old_version);
- free(new_version);
- return 0;
- } else if (cmp < 0) {
- new->dest = old->dest;
- old->state_want = SW_DEINSTALL;
- old->state_flag |= SF_OBSOLETE;
- }
- }
- return pkg_mark_dependencies_for_installation(conf, new, pkgs_needed);
-}
-
-
-
-int satisfy_dependencies_for(ipkg_conf_t *conf, pkg_t *pkg)
-{
- int i, err;
- pkg_vec_t *depends = pkg_vec_alloc();
- pkg_t *dep;
- char **unresolved = NULL;
- int ndepends;
-
- ndepends = pkg_hash_fetch_unsatisfied_dependencies(conf,
- pkg, depends,
- &unresolved);
-
- if (unresolved) {
- ipkg_message(conf, IPKG_ERROR,
- "%s: Cannot satisfy the following dependencies for %s:\n\t",
- conf->force_depends ? "Warning" : "ERROR", pkg->name);
- while (*unresolved) {
- ipkg_message(conf, IPKG_ERROR, " %s", *unresolved);
- unresolved++;
- }
- ipkg_message(conf, IPKG_ERROR, "\n");
- if (! conf->force_depends) {
- ipkg_message(conf, IPKG_INFO,
- "This could mean that your package list is out of date or that the packages\n"
- "mentioned above do not yet exist (try 'ipkg update'). To proceed in spite\n"
- "of this problem try again with the '-force-depends' option.\n");
- pkg_vec_free(depends);
- return IPKG_PKG_DEPS_UNSATISFIED;
- }
- }
-
- if (ndepends <= 0) {
- return 0;
- }
-
- /* Mark packages as to-be-installed */
- for (i=0; i < depends->len; i++) {
- /* Dependencies should be installed the same place as pkg */
- if (depends->pkgs[i]->dest == NULL) {
- depends->pkgs[i]->dest = pkg->dest;
- }
- depends->pkgs[i]->state_want = SW_INSTALL;
- }
-
- for (i = 0; i < depends->len; i++) {
- dep = depends->pkgs[i];
- /* The package was uninstalled when we started, but another
- dep earlier in this loop may have depended on it and pulled
- it in, so check first. */
- if ((dep->state_status != SS_INSTALLED)
- && (dep->state_status != SS_UNPACKED)) {
- ipkg_message(conf, IPKG_DEBUG2,"Function: %s calling ipkg_install_pkg \n",__FUNCTION__);
- err = ipkg_install_pkg(conf, dep,0);
- if (err) {
- pkg_vec_free(depends);
- return err;
- }
- }
- }
-
- pkg_vec_free(depends);
-
- return 0;
-}
-
-
-/* check all packages have their dependences satisfied, e.g., in case an upgraded package split */
-int ipkg_satisfy_all_dependences(ipkg_conf_t *conf)
-{
- if (conf->nodeps == 0) {
- int i;
- pkg_vec_t *installed = pkg_vec_alloc();
- pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
- for (i = 0; i < installed->len; i++) {
- pkg_t *pkg = installed->pkgs[i];
- satisfy_dependencies_for(conf, pkg);
- }
- pkg_vec_free(installed);
- }
- return 0;
-}
-
-
-
-static int check_conflicts_for(ipkg_conf_t *conf, pkg_t *pkg)
-{
- int i;
- pkg_vec_t *conflicts = NULL;
- int level;
- const char *prefix;
- if (conf->force_depends) {
- level = IPKG_NOTICE;
- prefix = "Warning";
- } else {
- level = IPKG_ERROR;
- prefix = "ERROR";
- }
-
- if (!conf->force_depends)
- conflicts = (pkg_vec_t *)pkg_hash_fetch_conflicts(&conf->pkg_hash, pkg);
-
- if (conflicts) {
- ipkg_message(conf, level,
- "%s: The following packages conflict with %s:\n\t", prefix, pkg->name);
- i = 0;
- while (i < conflicts->len)
- ipkg_message(conf, level, " %s", conflicts->pkgs[i++]->name);
- ipkg_message(conf, level, "\n");
- pkg_vec_free(conflicts);
- return IPKG_PKG_DEPS_UNSATISFIED;
- }
- return 0;
-}
-
-static int update_file_ownership(ipkg_conf_t *conf, pkg_t *new_pkg, pkg_t *old_pkg)
-{
- str_list_t *new_list = pkg_get_installed_files(new_pkg);
- str_list_elt_t *iter;
-
- for (iter = new_list->head; iter; iter = iter->next) {
- char *new_file = iter->data;
- pkg_t *owner = file_hash_get_file_owner(conf, new_file);
- if (!new_file)
- ipkg_message(conf, IPKG_ERROR, "Null new_file for new_pkg=%s\n", new_pkg->name);
- if (!owner || (owner == old_pkg))
- file_hash_set_file_owner(conf, new_file, new_pkg);
- }
- if (old_pkg) {
- str_list_t *old_list = pkg_get_installed_files(old_pkg);
- for (iter = old_list->head; iter; iter = iter->next) {
- char *old_file = iter->data;
- pkg_t *owner = file_hash_get_file_owner(conf, old_file);
- if (owner == old_pkg) {
- /* obsolete */
- hash_table_insert(&conf->obs_file_hash, old_file, old_pkg);
- }
- }
- }
- return 0;
-}
-
-static int verify_pkg_installable(ipkg_conf_t *conf, pkg_t *pkg)
-{
- /* XXX: FEATURE: Anything else needed here? Maybe a check on free space? */
-
- /* sma 6.20.02: yup; here's the first bit */
- /*
- * XXX: BUG easy for cworth
- * 1) please point the call below to the correct current root destination
- * 2) we need to resolve how to check the required space for a pending pkg,
- * my diddling with the .ipk file size below isn't going to cut it.
- * 3) return a proper error code instead of 1
- */
- int comp_size, blocks_available;
-
- if (!conf->force_space && pkg->installed_size != NULL) {
- blocks_available = get_available_blocks(conf->default_dest->root_dir);
-
- comp_size = strtoul(pkg->installed_size, NULL, 0);
- /* round up a blocks count without doing fancy-but-slow casting jazz */
- comp_size = (int)((comp_size + 1023) / 1024);
-
- if (comp_size >= blocks_available) {
- ipkg_message(conf, IPKG_ERROR,
- "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
- blocks_available, conf->default_dest->root_dir, pkg->name, comp_size);
- return ENOSPC;
- }
- }
- return 0;
-}
-
-static int unpack_pkg_control_files(ipkg_conf_t *conf, pkg_t *pkg)
-{
- int err;
- char *conffiles_file_name;
- char *root_dir;
- FILE *conffiles_file;
-
- sprintf_alloc(&pkg->tmp_unpack_dir, "%s/%s-XXXXXX", conf->tmp_dir, pkg->name);
-
- pkg->tmp_unpack_dir = mkdtemp(pkg->tmp_unpack_dir);
- if (pkg->tmp_unpack_dir == NULL) {
- ipkg_message(conf, IPKG_ERROR,
- "%s: Failed to create temporary directory '%s': %s\n",
- __FUNCTION__, pkg->tmp_unpack_dir, strerror(errno));
- return errno;
- }
-
- err = pkg_extract_control_files_to_dir(pkg, pkg->tmp_unpack_dir);
- if (err) {
- return err;
- }
-
- /* XXX: CLEANUP: There might be a cleaner place to read in the
- conffiles. Seems like I should be able to get everything to go
- through pkg_init_from_file. If so, maybe it would make sense to
- move all of unpack_pkg_control_files to that function. */
-
- /* Don't need to re-read conffiles if we already have it */
- if (pkg->conffiles.head) {
- return 0;
- }
-
- sprintf_alloc(&conffiles_file_name, "%s/conffiles", pkg->tmp_unpack_dir);
- if (! file_exists(conffiles_file_name)) {
- free(conffiles_file_name);
- return 0;
- }
-
- conffiles_file = fopen(conffiles_file_name, "r");
- if (conffiles_file == NULL) {
- fprintf(stderr, "%s: failed to open %s: %s\n",
- __FUNCTION__, conffiles_file_name, strerror(errno));
- free(conffiles_file_name);
- return errno;
- }
- free(conffiles_file_name);
-
- while (1) {
- char *cf_name;
- char *cf_name_in_dest;
-
- cf_name = file_read_line_alloc(conffiles_file);
- if (cf_name == NULL) {
- break;
- }
- str_chomp(cf_name);
- if (cf_name[0] == '\0') {
- continue;
- }
-
- /* Prepend dest->root_dir to conffile name.
- Take pains to avoid multiple slashes. */
- root_dir = pkg->dest->root_dir;
- if (conf->offline_root)
- /* skip the offline_root prefix */
- root_dir = pkg->dest->root_dir + strlen(conf->offline_root);
- sprintf_alloc(&cf_name_in_dest, "%s%s", root_dir,
- cf_name[0] == '/' ? (cf_name + 1) : cf_name);
-
- /* Can't get an md5sum now, (file isn't extracted yet).
- We'll wait until resolve_conffiles */
- conffile_list_append(&pkg->conffiles, cf_name_in_dest, NULL);
-
- free(cf_name);
- free(cf_name_in_dest);
- }
-
- fclose(conffiles_file);
-
- return 0;
-}
-
-/* returns number of installed replacees */
-int pkg_get_installed_replacees(ipkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *installed_replacees)
-{
- abstract_pkg_t **replaces = pkg->replaces;
- int replaces_count = pkg->replaces_count;
- int i, j;
- for (i = 0; i < replaces_count; i++) {
- abstract_pkg_t *ab_pkg = replaces[i];
- pkg_vec_t *pkg_vec = ab_pkg->pkgs;
- if (pkg_vec) {
- for (j = 0; j < pkg_vec->len; j++) {
- pkg_t *replacee = pkg_vec->pkgs[j];
- if (!pkg_conflicts(pkg, replacee))
- continue;
- if (replacee->state_status == SS_INSTALLED) {
- pkg_vec_insert(installed_replacees, replacee);
- }
- }
- }
- }
- return installed_replacees->len;
-}
-
-int pkg_remove_installed_replacees(ipkg_conf_t *conf, pkg_vec_t *replacees)
-{
- int i;
- int replaces_count = replacees->len;
- for (i = 0; i < replaces_count; i++) {
- pkg_t *replacee = replacees->pkgs[i];
- int err;
- replacee->state_flag |= SF_REPLACE; /* flag it so remove won't complain */
- err = ipkg_remove_pkg(conf, replacee,0);
- if (err)
- return err;
- }
- return 0;
-}
-
-/* to unwind the removal: make sure they are installed */
-int pkg_remove_installed_replacees_unwind(ipkg_conf_t *conf, pkg_vec_t *replacees)
-{
- int i, err;
- int replaces_count = replacees->len;
- for (i = 0; i < replaces_count; i++) {
- pkg_t *replacee = replacees->pkgs[i];
- if (replacee->state_status != SS_INSTALLED) {
- ipkg_message(conf, IPKG_DEBUG2,"Function: %s calling ipkg_install_pkg \n",__FUNCTION__);
- err = ipkg_install_pkg(conf, replacee,0);
- if (err)
- return err;
- }
- }
- return 0;
-}
-
-int caught_sigint = 0;
-static void ipkg_install_pkg_sigint_handler(int sig)
-{
- caught_sigint = sig;
-}
-
-/* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
-static int ipkg_install_check_downgrade(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg, int message)
-{
- if (old_pkg) {
- char message_out[15];
- char *old_version = pkg_version_str_alloc(old_pkg);
- char *new_version = pkg_version_str_alloc(pkg);
- int cmp = pkg_compare_versions(old_pkg, pkg);
- int rc = 0;
-
- memset(message_out,'\x0',15);
- strncpy (message_out,"Upgrading ",strlen("Upgrading "));
- if ( (conf->force_downgrade==1) && (cmp > 0) ){ /* We've been asked to allow downgrade and version is precedent */
- cmp = -1 ; /* then we force ipkg to downgrade */
- strncpy (message_out,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
- /* reinstall, and some check could fail asking the "force-reinstall" option */
- }
-
- if (cmp > 0) {
- ipkg_message(conf, IPKG_NOTICE,
- "Not downgrading package %s on %s from %s to %s.\n",
- old_pkg->name, old_pkg->dest->name, old_version, new_version);
- rc = 1;
- } else if (cmp < 0) {
- ipkg_message(conf, IPKG_NOTICE,
- "%s%s on %s from %s to %s...\n",
- message_out, pkg->name, old_pkg->dest->name, old_version, new_version);
- pkg->dest = old_pkg->dest;
- rc = 0;
- } else /* cmp == 0 */ {
- if (conf->force_reinstall) {
- ipkg_message(conf, IPKG_NOTICE,
- "Reinstalling %s (%s) on %s...\n",
- pkg->name, new_version, old_pkg->dest->name);
- pkg->dest = old_pkg->dest;
- rc = 0;
- } else {
- ipkg_message(conf, IPKG_NOTICE,
- "Not installing %s (%s) on %s -- already installed.\n",
- pkg->name, new_version, old_pkg->dest->name);
- rc = 1;
- }
- }
- free(old_version);
- free(new_version);
- return rc;
- } else {
- char message_out[15] ;
- memset(message_out,'\x0',15);
- if ( message )
- strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
- else
- strncpy( message_out,"Installing ",strlen("Installing ") );
- char *version = pkg_version_str_alloc(pkg);
-
- ipkg_message(conf, IPKG_NOTICE,
- "%s%s (%s) to %s...\n", message_out,
- pkg->name, version, pkg->dest->name);
- free(version);
- return 0;
- }
-}
-
-/* and now the meat... */
-int ipkg_install_pkg(ipkg_conf_t *conf, pkg_t *pkg, int from_upgrade)
-{
- int err = 0;
- int message = 0;
- pkg_t *old_pkg = NULL;
- pkg_vec_t *replacees;
- abstract_pkg_t *ab_pkg = NULL;
- int old_state_flag;
- char* file_md5;
-
-
- if ( from_upgrade )
- message = 1; /* Coming from an upgrade, and should change the output message */
-
- if (!pkg) {
- ipkg_message(conf, IPKG_ERROR,
- "INTERNAL ERROR: null pkg passed to ipkg_install_pkg\n");
- return -EINVAL;
- }
-
- ipkg_message(conf, IPKG_DEBUG2, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__, __FUNCTION__);
-
- if (!pkg_arch_supported(conf, pkg)) {
- ipkg_message(conf, IPKG_ERROR, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
- pkg->architecture, pkg->name);
- return -EINVAL;
- }
- if (pkg->state_status == SS_INSTALLED && conf->force_reinstall == 0 && conf->nodeps == 0) {
- err = satisfy_dependencies_for(conf, pkg);
- if (err) { return err; }
-
- ipkg_message(conf, IPKG_NOTICE,
- "Package %s is already installed in %s.\n",
- pkg->name, pkg->dest->name);
- return 0;
- }
-
- if (pkg->dest == NULL) {
- pkg->dest = conf->default_dest;
- }
-
- old_pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name);
-
- err = ipkg_install_check_downgrade(conf, pkg, old_pkg, message);
- if (err) { return err; }
-
- pkg->state_want = SW_INSTALL;
- if (old_pkg){
- old_pkg->state_want = SW_DEINSTALL; /* needed for check_data_file_clashes of dependences */
- }
-
-
- /* Abhaya: conflicts check */
- err = check_conflicts_for(conf, pkg);
- if (err) { return err; }
-
- /* this setup is to remove the upgrade scenario in the end when
- installing pkg A, A deps B & B deps on A. So both B and A are
- installed. Then A's installation is started resulting in an
- uncecessary upgrade */
- if (pkg->state_status == SS_INSTALLED
- && conf->force_reinstall == 0) return 0;
-
- err = verify_pkg_installable(conf, pkg);
- if (err) { return err; }
-
- if (pkg->local_filename == NULL) {
- err = ipkg_download_pkg(conf, pkg, conf->tmp_dir);
- if (err) {
- ipkg_message(conf, IPKG_ERROR,
- "Failed to download %s. Perhaps you need to run 'ipkg update'?\n",
- pkg->name);
- return err;
- }
- }
-
-/* Check for md5 values */
- if (pkg->md5sum)
- {
- file_md5 = file_md5sum_alloc(pkg->local_filename);
- if (strcmp(file_md5, pkg->md5sum))
- {
- ipkg_message(conf, IPKG_ERROR,
- "Package %s md5sum mismatch. Either the ipkg or the package index are corrupt. Try 'ipkg update'.\n",
- pkg->name);
- free(file_md5);
- return err;
- }
- free(file_md5);
- }
-
- if (pkg->tmp_unpack_dir == NULL) {
- unpack_pkg_control_files(conf, pkg);
- }
-
- /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
-/* Pigi: check if it will pass from here when replacing. It seems to fail */
-/* That's rather strange that files don't change owner. Investigate !!!!!!*/
- err = update_file_ownership(conf, pkg, old_pkg);
- if (err) { return err; }
-
- if (conf->nodeps == 0) {
- err = satisfy_dependencies_for(conf, pkg);
- if (err) { return err; }
- }
-
- replacees = pkg_vec_alloc();
- pkg_get_installed_replacees(conf, pkg, replacees);
-
- /* this next section we do with SIGINT blocked to prevent inconsistency between ipkg database and filesystem */
- {
- sigset_t newset, oldset;
- sighandler_t old_handler = NULL;
- int use_signal = 0;
- caught_sigint = 0;
- if (use_signal) {
- old_handler = signal(SIGINT, ipkg_install_pkg_sigint_handler);
- } else {
- sigemptyset(&newset);
- sigaddset(&newset, SIGINT);
- sigprocmask(SIG_BLOCK, &newset, &oldset);
- }
-
- ipkg_state_changed++;
- pkg->state_flag |= SF_FILELIST_CHANGED;
-
- /* XXX: BUG: we really should treat replacement more like an upgrade
- * Instead, we're going to remove the replacees
- */
- err = pkg_remove_installed_replacees(conf, replacees);
- if (err) goto UNWIND_REMOVE_INSTALLED_REPLACEES;
-
- err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
- if (err) goto UNWIND_PRERM_UPGRADE_OLD_PKG;
-
- err = prerm_deconfigure_conflictors(conf, pkg, replacees);
- if (err) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS;
-
- err = preinst_configure(conf, pkg, old_pkg);
- if (err) goto UNWIND_PREINST_CONFIGURE;
-
- err = backup_modified_conffiles(conf, pkg, old_pkg);
- if (err) goto UNWIND_BACKUP_MODIFIED_CONFFILES;
-
- err = check_data_file_clashes(conf, pkg, old_pkg);
- if (err) goto UNWIND_CHECK_DATA_FILE_CLASHES;
-
- err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
- if (err) goto UNWIND_POSTRM_UPGRADE_OLD_PKG;
-
- if (conf->noaction) return 0;
-
- /* point of no return: no unwinding after this */
- if (old_pkg && !conf->force_reinstall) {
- old_pkg->state_want = SW_DEINSTALL;
-
- if (old_pkg->state_flag & SF_NOPRUNE) {
- ipkg_message(conf, IPKG_INFO,
- " not removing obsolesced files because package marked noprune\n");
- } else {
- ipkg_message(conf, IPKG_INFO,
- " removing obsolesced files\n");
- remove_obsolesced_files(conf, pkg, old_pkg);
- }
- /* removing files from old package, to avoid ghost files */
- remove_data_files_and_list(conf, old_pkg);
-/* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
- remove_maintainer_scripts_except_postrm(conf, old_pkg);
- remove_postrm(conf, old_pkg);
-/* Pigi */
-
- }
-
-
- ipkg_message(conf, IPKG_INFO,
- " installing maintainer scripts\n");
- install_maintainer_scripts(conf, pkg, old_pkg);
-
- /* the following just returns 0 */
- remove_disappeared(conf, pkg);
-
- ipkg_message(conf, IPKG_INFO,
- " installing data files\n");
- install_data_files(conf, pkg);
-
-/* read comments from function for detail but I will execute this here as all other tests are ok.*/
- err = check_data_file_clashes_change(conf, pkg, old_pkg);
-
- ipkg_message(conf, IPKG_INFO,
- " resolving conf files\n");
- resolve_conffiles(conf, pkg);
-
- pkg->state_status = SS_UNPACKED;
- old_state_flag = pkg->state_flag;
- pkg->state_flag &= ~SF_PREFER;
- ipkg_message(conf, IPKG_DEBUG, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg->name, old_state_flag, pkg->state_flag);
-
- if (old_pkg && !conf->force_reinstall) {
- old_pkg->state_status = SS_NOT_INSTALLED;
- }
-
- time(&pkg->installed_time);
-
- ipkg_message(conf, IPKG_INFO,
- " cleanup temp files\n");
- cleanup_temporary_files(conf, pkg);
-
- ab_pkg = pkg->parent;
- if (ab_pkg)
- ab_pkg->state_status = pkg->state_status;
-
- ipkg_message(conf, IPKG_INFO, "Done.\n");
-
- if (use_signal)
- signal(SIGINT, old_handler);
- else
- sigprocmask(SIG_UNBLOCK, &newset, &oldset);
-
- return 0;
-
-
- UNWIND_POSTRM_UPGRADE_OLD_PKG:
- postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
- UNWIND_CHECK_DATA_FILE_CLASHES:
- check_data_file_clashes_unwind(conf, pkg, old_pkg);
- UNWIND_BACKUP_MODIFIED_CONFFILES:
- backup_modified_conffiles_unwind(conf, pkg, old_pkg);
- UNWIND_PREINST_CONFIGURE:
- preinst_configure_unwind(conf, pkg, old_pkg);
- UNWIND_PRERM_DECONFIGURE_CONFLICTORS:
- prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
- UNWIND_PRERM_UPGRADE_OLD_PKG:
- prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
- UNWIND_REMOVE_INSTALLED_REPLACEES:
- pkg_remove_installed_replacees_unwind(conf, replacees);
-
- ipkg_message(conf, IPKG_INFO,
- " cleanup temp files\n");
- cleanup_temporary_files(conf, pkg);
-
- ipkg_message(conf, IPKG_INFO,
- "Failed.\n");
- if (use_signal)
- signal(SIGINT, old_handler);
- else
- sigprocmask(SIG_UNBLOCK, &newset, &oldset);
-
- return err;
- }
-}
-
-static int prerm_upgrade_old_pkg(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- /* DPKG_INCOMPATIBILITY:
- dpkg does some things here that we don't do yet. Do we care?
-
- 1. If a version of the package is already installed, call
- old-prerm upgrade new-version
- 2. If the script runs but exits with a non-zero exit status
- new-prerm failed-upgrade old-version
- Error unwind, for both the above cases:
- old-postinst abort-upgrade new-version
- */
- return 0;
-}
-
-static int prerm_upgrade_old_pkg_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- /* DPKG_INCOMPATIBILITY:
- dpkg does some things here that we don't do yet. Do we care?
- (See prerm_upgrade_old_package for details)
- */
- return 0;
-}
-
-static int prerm_deconfigure_conflictors(ipkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
-{
- /* DPKG_INCOMPATIBILITY:
- dpkg does some things here that we don't do yet. Do we care?
- 2. If a 'conflicting' package is being removed at the same time:
- 1. If any packages depended on that conflicting package and
- --auto-deconfigure is specified, call, for each such package:
- deconfigured's-prerm deconfigure \
- in-favour package-being-installed version \
- removing conflicting-package version
- Error unwind:
- deconfigured's-postinst abort-deconfigure \
- in-favour package-being-installed-but-failed version \
- removing conflicting-package version
-
- The deconfigured packages are marked as requiring
- configuration, so that if --install is used they will be
- configured again if possible.
- 2. To prepare for removal of the conflicting package, call:
- conflictor's-prerm remove in-favour package new-version
- Error unwind:
- conflictor's-postinst abort-remove in-favour package new-version
- */
- return 0;
-}
-
-static int prerm_deconfigure_conflictors_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *conflictors)
-{
- /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
- do yet. Do we care? (See prerm_deconfigure_conflictors for
- details) */
- return 0;
-}
-
-static int preinst_configure(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- int err;
- char *preinst_args;
-
- if (old_pkg) {
- char *old_version = pkg_version_str_alloc(old_pkg);
- sprintf_alloc(&preinst_args, "upgrade %s", old_version);
- free(old_version);
- } else if (pkg->state_status == SS_CONFIG_FILES) {
- char *pkg_version = pkg_version_str_alloc(pkg);
- sprintf_alloc(&preinst_args, "install %s", pkg_version);
- free(pkg_version);
- } else {
- preinst_args = strdup("install");
- }
-
- err = pkg_run_script(conf, pkg, "preinst", preinst_args);
- if (err) {
- ipkg_message(conf, IPKG_ERROR,
- "Aborting installation of %s\n", pkg->name);
- return 1;
- }
-
- free(preinst_args);
-
- return 0;
-}
-
-static int preinst_configure_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- /* DPKG_INCOMPATIBILITY:
- dpkg does the following error unwind, should we?
- pkg->postrm abort-upgrade old-version
- OR pkg->postrm abort-install old-version
- OR pkg->postrm abort-install
- */
- return 0;
-}
-
-static int backup_modified_conffiles(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- int err;
- conffile_list_elt_t *iter;
- conffile_t *cf;
-
- if (conf->noaction) return 0;
-
- /* Backup all modified conffiles */
- if (old_pkg) {
- for (iter = old_pkg->conffiles.head; iter; iter = iter->next) {
- char *cf_name;
-
- cf = iter->data;
- cf_name = root_filename_alloc(conf, cf->name);
-
- /* Don't worry if the conffile is just plain gone */
- if (file_exists(cf_name) && conffile_has_been_modified(conf, cf)) {
- err = backup_make_backup(conf, cf_name);
- if (err) {
- return err;
- }
- }
- free(cf_name);
- }
- }
-
- /* Backup all conffiles that were not conffiles in old_pkg */
- for (iter = pkg->conffiles.head; iter; iter = iter->next) {
- char *cf_name;
- cf = iter->data;
- cf_name = root_filename_alloc(conf, cf->name);
- /* Ignore if this was a conffile in old_pkg as well */
- if (pkg_get_conffile(old_pkg, cf->name)) {
- continue;
- }
-
- if (file_exists(cf_name) && (! backup_exists_for(cf_name))) {
- err = backup_make_backup(conf, cf_name);
- if (err) {
- return err;
- }
- }
- free(cf_name);
- }
-
- return 0;
-}
-
-static int backup_modified_conffiles_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- conffile_list_elt_t *iter;
-
- if (old_pkg) {
- for (iter = old_pkg->conffiles.head; iter; iter = iter->next) {
- backup_remove(iter->data->name);
- }
- }
-
- for (iter = pkg->conffiles.head; iter; iter = iter->next) {
- backup_remove(iter->data->name);
- }
-
- return 0;
-}
-
-
-static int check_data_file_clashes(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- /* DPKG_INCOMPATIBILITY:
- ipkg takes a slightly different approach than dpkg at this
- point. dpkg installs each file in the new package while
- creating a backup for any file that is replaced, (so that it
- can unwind if necessary). To avoid complexity and redundant
- storage, ipkg doesn't do any installation until later, (at the
- point at which dpkg removes the backups.
-
- But, we do have to check for data file clashes, since after
- installing a package with a file clash, removing either of the
- packages involved in the clash has the potential to break the
- other package.
- */
- str_list_t *files_list;
- str_list_elt_t *iter;
-
- int clashes = 0;
-
- files_list = pkg_get_installed_files(pkg);
- for (iter = files_list->head; iter; iter = iter->next) {
- char *root_filename;
- char *filename = iter->data;
- root_filename = root_filename_alloc(conf, filename);
- if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
- pkg_t *owner;
- pkg_t *obs;
- /* Pre-existing conffiles are OK */
- /* @@@@ should have way to check that it is a conffile -Jamey */
- if (backup_exists_for(root_filename)) {
- continue;
- }
-
- /* Pre-existing files are OK if force-overwrite was asserted. */
- if (conf->force_overwrite) {
- /* but we need to change who owns this file */
- file_hash_set_file_owner(conf, filename, pkg);
- continue;
- }
-
- owner = file_hash_get_file_owner(conf, filename);
-
- /* Pre-existing files are OK if owned by the pkg being upgraded. */
- if (owner && old_pkg) {
- if (strcmp(owner->name, old_pkg->name) == 0) {
- continue;
- }
- }
-
- /* Pre-existing files are OK if owned by a package replaced by new pkg. */
- if (owner) {
- ipkg_message(conf, IPKG_DEBUG2, "Checking for replaces for %s in package %s\n", filename, owner->name);
- if (pkg_replaces(pkg, owner)) {
- continue;
- }
-/* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
- then it's ok to overwrite. */
- if (strcmp(owner->name,pkg->name)==0){
- ipkg_message(conf, IPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
- continue;
- }
- }
-
- /* Pre-existing files are OK if they are obsolete */
- obs = hash_table_get(&conf->obs_file_hash, filename);
- if (obs) {
- ipkg_message(conf, IPKG_INFO, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename, obs->name);
- continue;
- }
-
- /* We have found a clash. */
- ipkg_message(conf, IPKG_ERROR,
- "Package %s wants to install file %s\n"
- "\tBut that file is already provided by package ",
- pkg->name, filename);
- if (owner) {
- ipkg_message(conf, IPKG_ERROR,
- "%s\n", owner->name);
- } else {
- ipkg_message(conf, IPKG_ERROR,
- "<no package>\nPlease move this file out of the way and try again.\n");
- }
- clashes++;
- }
- free(root_filename);
- }
- pkg_free_installed_files(pkg);
-
- return clashes;
-}
-
-static int check_data_file_clashes_change(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- /* Basically that's the worst hack I could do to be able to change ownership of
- file list, but, being that we have no way to unwind the mods, due to structure
- of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
- What we do here is change the ownership of file in hash if a replace ( or similar events
- happens )
- Only the action that are needed to change name should be considered.
- @@@ To change after 1.0 release.
- */
- str_list_t *files_list;
- str_list_elt_t *iter;
-
- int clashes = 0;
-
- files_list = pkg_get_installed_files(pkg);
- for (iter = files_list->head; iter; iter = iter->next) {
- char *root_filename;
- char *filename = iter->data;
- root_filename = root_filename_alloc(conf, filename);
- if (file_exists(root_filename) && (! file_is_dir(root_filename))) {
- pkg_t *owner;
-
- if (conf->force_overwrite) {
- /* but we need to change who owns this file */
- file_hash_set_file_owner(conf, filename, pkg);
- continue;
- }
-
- owner = file_hash_get_file_owner(conf, filename);
-
- /* Pre-existing files are OK if owned by a package replaced by new pkg. */
- if (owner) {
- if (pkg_replaces(pkg, owner)) {
-/* It's now time to change the owner of that file.
- It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
- ipkg_message(conf, IPKG_INFO, "Replacing pre-existing file %s owned by package %s\n", filename, owner->name);
- file_hash_set_file_owner(conf, filename, pkg);
- continue;
- }
- }
-
- }
- free(root_filename);
- }
- pkg_free_installed_files(pkg);
-
- return clashes;
-}
-
-static int check_data_file_clashes_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- /* Nothing to do since check_data_file_clashes doesn't change state */
- return 0;
-}
-
-static int postrm_upgrade_old_pkg(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
- 1. If the package is being upgraded, call
- old-postrm upgrade new-version
- 2. If this fails, attempt:
- new-postrm failed-upgrade old-version
- Error unwind, for both cases:
- old-preinst abort-upgrade new-version */
- return 0;
-}
-
-static int postrm_upgrade_old_pkg_unwind(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- /* DPKG_INCOMPATIBILITY:
- dpkg does some things here that we don't do yet. Do we care?
- (See postrm_upgrade_old_pkg for details)
- */
- return 0;
-}
-
-static int remove_obsolesced_files(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- int err;
- str_list_t *old_files;
- str_list_elt_t *of;
- str_list_t *new_files;
- str_list_elt_t *nf;
-
- if (old_pkg == NULL) {
- return 0;
- }
-
- old_files = pkg_get_installed_files(old_pkg);
- new_files = pkg_get_installed_files(pkg);
-
- for (of = old_files->head; of; of = of->next) {
- pkg_t *owner;
- char *old, *new;
- old = of->data;
- for (nf = new_files->head; nf; nf = nf->next) {
- new = nf->data;
- if (strcmp(old, new) == 0) {
- goto NOT_OBSOLETE;
- }
- }
- if (file_is_dir(old)) {
- continue;
- }
- owner = file_hash_get_file_owner(conf, old);
- if (owner != old_pkg) {
- /* in case obsolete file no longer belongs to old_pkg */
- continue;
- }
-
- /* old file is obsolete */
- ipkg_message(conf, IPKG_INFO,
- " removing obsolete file %s\n", old);
- if (!conf->noaction) {
- err = unlink(old);
- if (err) {
- ipkg_message(conf, IPKG_ERROR, " Warning: remove %s failed: %s\n", old,
- strerror(errno));
- }
- }
-
- NOT_OBSOLETE:
- ;
- }
-
- pkg_free_installed_files(old_pkg);
- pkg_free_installed_files(pkg);
-
- return 0;
-}
-
-static int remove_obsolete_maintainer_scripts(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- int i;
- int err = 0;
- char *globpattern;
- glob_t globbuf;
- if (0) {
- if (!pkg->dest) {
- ipkg_message(conf, IPKG_ERROR, "%s: no dest for package %s\n", __FUNCTION__, pkg->name);
- return -1;
- }
- sprintf_alloc(&globpattern, "%s/%s.*", pkg->dest->info_dir, pkg->name);
- err = glob(globpattern, 0, NULL, &globbuf);
- free(globpattern);
- if (err) {
- return err;
- }
- /* XXXX this should perhaps only remove the ones that are not overwritten in new package. Jamey 11/11/2003 */
- for (i = 0; i < globbuf.gl_pathc; i++) {
- ipkg_message(conf, IPKG_DEBUG, "Removing control file %s from old_pkg %s\n",
- globbuf.gl_pathv[i], old_pkg->name);
- if (!conf->noaction)
- unlink(globbuf.gl_pathv[i]);
- }
- globfree(&globbuf);
- }
- return err;
-}
-
-static int install_maintainer_scripts(ipkg_conf_t *conf, pkg_t *pkg, pkg_t *old_pkg)
-{
- int ret;
- char *prefix;
-
- if (old_pkg)
- remove_obsolete_maintainer_scripts(conf, pkg, old_pkg);
- sprintf_alloc(&prefix, "%s.", pkg->name);
- ret = pkg_extract_control_files_to_dir_with_prefix(pkg,
- pkg->dest->info_dir,
- prefix);
- free(prefix);
- return ret;
-}
-
-static int remove_disappeared(ipkg_conf_t *conf, pkg_t *pkg)
-{
- /* DPKG_INCOMPATIBILITY:
- This is a fairly sophisticated dpkg operation. Shall we
- skip it? */
-
- /* Any packages all of whose files have been overwritten during the
- installation, and which aren't required for dependencies, are
- considered to have been removed. For each such package
- 1. disappearer's-postrm disappear overwriter overwriter-version
- 2. The package's maintainer scripts are removed
- 3. It is noted in the status database as being in a sane state,
- namely not installed (any conffiles it may have are ignored,
- rather than being removed by dpkg). Note that disappearing
- packages do not have their prerm called, because dpkg doesn't
- know in advance that the package is going to vanish.
- */
- return 0;
-}
-
-static int install_data_files(ipkg_conf_t *conf, pkg_t *pkg)
-{
- int err;
-
- /* ipkg takes a slightly different approach to data file backups
- than dpkg. Rather than removing backups at this point, we
- actually do the data file installation now. See comments in
- check_data_file_clashes() for more details. */
-
- ipkg_message(conf, IPKG_INFO,
- " extracting data files to %s\n", pkg->dest->root_dir);
- err = pkg_extract_data_files_to_dir(pkg, pkg->dest->root_dir);
- if (err) {
- return err;
- }
-
- /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
- so we can't save ourself from removing important packages
- At this point we (should) have extracted the .control file, so it
- would be a good idea to reload the data in it, and set the Essential
- state in *pkg. From now on the Essential is back in status file and
- we can protect again.
- We should operate this way:
- fopen the file ( pkg->dest->root_dir/pkg->name.control )
- check for "Essential" in it
- set the value in pkg->essential.
- This new routine could be useful also for every other flag
- Pigi: 16/03/2004 */
- set_flags_from_control(conf, pkg) ;
-
- ipkg_message(conf, IPKG_DEBUG, " Calling pkg_write_filelist from %s\n", __FUNCTION__);
- err = pkg_write_filelist(conf, pkg);
- if (err)
- return err;
-
- /* XXX: FEATURE: ipkg should identify any files which existed
- before installation and which were overwritten, (see
- check_data_file_clashes()). What it must do is remove any such
- files from the filelist of the old package which provided the
- file. Otherwise, if the old package were removed at some point
- it would break the new package. Removing the new package will
- also break the old one, but this cannot be helped since the old
- package's file has already been deleted. This is the importance
- of check_data_file_clashes(), and only allowing ipkg to install
- a clashing package with a user force. */
-
- return 0;
-}
-
-static int resolve_conffiles(ipkg_conf_t *conf, pkg_t *pkg)
-{
- conffile_list_elt_t *iter;
- conffile_t *cf;
- char *cf_backup;
-
- char *md5sum;
-
-
- if (conf->noaction) return 0;
-
- for (iter = pkg->conffiles.head; iter; iter = iter->next) {
- char *root_filename;
- cf = iter->data;
- root_filename = root_filename_alloc(conf, cf->name);
-
- /* Might need to initialize the md5sum for each conffile */
- if (cf->value == NULL) {
- cf->value = file_md5sum_alloc(root_filename);
- }
-
- if (!file_exists(root_filename)) {
- free(root_filename);
- continue;
- }
-
- cf_backup = backup_filename_alloc(root_filename);
-
-
- if (file_exists(cf_backup)) {
- /* Let's compute md5 to test if files are changed */
- md5sum = file_md5sum_alloc(cf_backup);
- if (strcmp( cf->value,md5sum) != 0 ) {
- if (conf->force_defaults
- || user_prefers_old_conffile(cf->name, cf_backup) ) {
- rename(cf_backup, root_filename);
- }
- }
- unlink(cf_backup);
- free(md5sum);
- }
-
- free(cf_backup);
- free(root_filename);
- }
-
- return 0;
-}
-
-static int user_prefers_old_conffile(const char *file_name, const char *backup)
-{
- char *response;
- const char *short_file_name;
-
- short_file_name = strrchr(file_name, '/');
- if (short_file_name) {
- short_file_name++;
- } else {
- short_file_name = file_name;
- }
-
- while (1) {
- response = get_user_response(" Configuration file '%s'\n"
- " ==> File on system created by you or by a script.\n"
- " ==> File also in package provided by package maintainer.\n"
- " What would you like to do about it ? Your options are:\n"
- " Y or I : install the package maintainer's version\n"
- " N or O : keep your currently-installed version\n"
- " D : show the differences between the versions (if diff is installed)\n"
- " The default action is to keep your current version.\n"
- " *** %s (Y/I/N/O/D) [default=N] ? ", file_name, short_file_name);
- if (strcmp(response, "y") == 0
- || strcmp(response, "i") == 0
- || strcmp(response, "yes") == 0) {
- free(response);
- return 0;
- }
-
- if (strcmp(response, "d") == 0) {
- char *cmd;
-
- free(response);
- /* XXX: BUG rewrite to use exec or busybox's internal diff */
- sprintf_alloc(&cmd, "diff -u %s %s", backup, file_name);
- xsystem(cmd);
- free(cmd);
- printf(" [Press ENTER to continue]\n");
- response = file_read_line_alloc(stdin);
- free(response);
- continue;
- }
-
- free(response);
- return 1;
- }
-}
-
-/* XXX: CLEANUP: I'd like to move all of the code for
- creating/cleaning pkg->tmp_unpack_dir directly into pkg.c. (Then,
- it would make sense to cleanup pkg->tmp_unpack_dir directly from
- pkg_deinit for example). */
-static int cleanup_temporary_files(ipkg_conf_t *conf, pkg_t *pkg)
-{
- DIR *tmp_dir;
- struct dirent *dirent;
- char *tmp_file;
-
-#ifdef IPKG_DEBUG_NO_TMP_CLEANUP
-#error
- ipkg_message(conf, IPKG_DEBUG,
- "%s: Not cleaning up %s since ipkg compiled with IPKG_DEBUG_NO_TMP_CLEANUP\n",
- __FUNCTION__, pkg->tmp_unpack_dir);
- return 0;
-#endif
-
- if (pkg->tmp_unpack_dir && file_is_dir(pkg->tmp_unpack_dir)) {
- tmp_dir = opendir(pkg->tmp_unpack_dir);
- if (tmp_dir) {
- while (1) {
- dirent = readdir(tmp_dir);
- if (dirent == NULL) {
- break;
- }
- sprintf_alloc(&tmp_file, "%s/%s",
- pkg->tmp_unpack_dir, dirent->d_name);
- if (! file_is_dir(tmp_file)) {
- unlink(tmp_file);
- }
- free(tmp_file);
- }
- closedir(tmp_dir);
- rmdir(pkg->tmp_unpack_dir);
- free(pkg->tmp_unpack_dir);
- pkg->tmp_unpack_dir = NULL;
- }
- }
-
- ipkg_message(conf, IPKG_INFO, "cleanup_temporary_files: pkg=%s local_filename=%s tmp_dir=%s\n",
- pkg->name, pkg->local_filename, conf->tmp_dir);
- if (pkg->local_filename && strncmp(pkg->local_filename, conf->tmp_dir, strlen(conf->tmp_dir)) == 0) {
- unlink(pkg->local_filename);
- free(pkg->local_filename);
- pkg->local_filename = NULL;
- }
-
- return 0;
-}
-
-static char *backup_filename_alloc(const char *file_name)
-{
- char *backup;
-
- sprintf_alloc(&backup, "%s%s", file_name, IPKG_BACKUP_SUFFIX);
-
- return backup;
-}
-
-int backup_make_backup(ipkg_conf_t *conf, const char *file_name)
-{
- int err;
- char *backup;
-
- backup = backup_filename_alloc(file_name);
- err = file_copy(file_name, backup);
- if (err) {
- ipkg_message(conf, IPKG_ERROR,
- "%s: Failed to copy %s to %s\n",
- __FUNCTION__, file_name, backup);
- }
-
- free(backup);
-
- return err;
-}
-
-static int backup_exists_for(const char *file_name)
-{
- int ret;
- char *backup;
-
- backup = backup_filename_alloc(file_name);
-
- ret = file_exists(backup);
-
- free(backup);
-
- return ret;
-}
-
-static int backup_remove(const char *file_name)
-{
- char *backup;
-
- backup = backup_filename_alloc(file_name);
- unlink(backup);
- free(backup);
-
- return 0;
-}
-
-
-
-#ifdef CONFIG_IPKG_PROCESS_ACTIONS
-
-int ipkg_remove_packages(ipkg_conf_t *conf, pkg_vec_t *pkgs_to_remove)
-{
- /* first, remove the packages that need removing */
- for (i = 0 ; i < pkgs_to_remove->len; i++ ) {
- pkg_t *pkg = pkgs_to_remove->pkgs[i];
- err = ipkg_remove_pkg(conf, pkg,0);
- if (err) return err;
- }
- return 0;
-}
-
-int ipkg_process_actions_sanity_check(ipkg_conf_t *conf, pkg_vec_t *pkgs_to_remove, pkg_vec_t *pkgs_superseded, pkg_vec_t *pkgs_to_install)
-{
- int i;
- /* now one more pass checking on the ones that need to be installed */
- for (i = 0 ; i < pkgs_to_install->len; i++ ) {
- pkg_t *pkg = pkgs_to_install->pkgs[i];
- if (pkg->dest == NULL)
- pkg->dest = conf->default_dest;
-
- pkg->state_want = SW_INSTALL;
-
- /* Abhaya: conflicts check */
- err = check_conflicts_for(conf, pkg);
- if (err) { return err; }
- }
- return 0;
-}
-
-int ipkg_process_actions_unpack_packages(ipkg_conf_t *conf, pkg_vec_t *pkgs_to_remove, pkg_vec_t *pkgs_to_install)
-{
- int i;
- /* now one more pass checking on the ones that need to be installed */
- for (i = 0 ; i < pkgs_to_install->len; i++ ) {
- pkg_t *pkg = pkgs_to_install->pkgs[i];
-
- /* XXX: FEATURE: Need to really support Provides/Replaces: here at some point */
- pkg_vec_t *replacees = pkg_vec_alloc();
- pkg_get_installed_replacees(conf, pkg, replacees);
-
- /* XXX: BUG: we really should treat replacement more like an upgrade
- * Instead, we're going to remove the replacees
- */
- err = pkg_remove_installed_replacees(conf, replacees);
- if (err) return err;
- pkg->state_flag |= SF_REMOVED_REPLACEES;
- }
- return 0;
-}
-
-int ipkg_process_actions_unpack_packages(ipkg_conf_t *conf, pkg_vec_t *pkgs_to_remove, pkg_vec_t *pkgs_to_install)
-{
- int i;
- /* now one more pass checking on the ones that need to be installed */
- for (i = 0 ; i < pkgs_to_install->len; i++ ) {
- pkg_t *pkg = pkgs_to_install->pkgs[i];
- if (pkg->local_filename == NULL) {
- err = ipkg_download_pkg(conf, pkg, conf->tmp_dir);
- if (err) {
- ipkg_message(conf, IPKG_ERROR,
- "Failed to download %s. Perhaps you need to run 'ipkg update'?\n",
- pkg->name);
- return err;
- }
- }
- if (pkg->tmp_unpack_dir == NULL) {
- err = unpack_pkg_control_files(conf, pkg);
- if (err) return err;
- }
- }
- return 0;
-}
-
-int ipkg_process_actions_prerm(ipkg_conf_t *conf, pkg_vec_t *pkgs_to_install)
-{
- int i;
- /* now one more pass checking on the ones that need to be installed */
- for (i = 0 ; i < pkgs_to_install->len; i++ ) {
- pkg_t *pkg = pkgs_to_install->pkgs[i];
- pkg_t *old_pkg = pkg->old_pkg;
-
- err = prerm_upgrade_old_pkg(conf, pkg, old_pkg);
- if (err) return err;
-
- err = prerm_deconfigure_conflictors(conf, pkg, replacees);
- if (err) return err;
-
- err = preinst_configure(conf, pkg, old_pkg);
- if (err) return err;
-
- err = backup_modified_conffiles(conf, pkg, old_pkg);
- if (err) return err;
-
- err = postrm_upgrade_old_pkg(conf, pkg, old_pkg);
- if (err) return err;
- }
- return 0;
-}
-
-int ipkg_process_actions_install(ipkg_conf_t *conf, pkg_vec_t *pkgs_to_install)
-{
- int i;
- /* now one more pass checking on the ones that need to be installed */
- for (i = 0 ; i < pkgs_to_install->len; i++ ) {
- pkg_t *pkg = pkgs_to_install->pkgs[i];
- pkg_t *old_pkg = pkg->old_pkg;
-
- if (old_pkg) {
- old_pkg->state_want = SW_DEINSTALL;
-
- if (old_pkg->state_flag & SF_NOPRUNE) {
- ipkg_message(conf, IPKG_INFO,
- " not removing obsolesced files because package marked noprune\n");
- } else {
- ipkg_message(conf, IPKG_INFO,
- " removing obsolesced files\n");
- remove_obsolesced_files(conf, pkg, old_pkg);
- }
- }
-
- ipkg_message(conf, IPKG_INFO,
- " installing maintainer scripts\n");
- install_maintainer_scripts(conf, pkg, old_pkg);
-
- /* the following just returns 0 */
- remove_disappeared(conf, pkg);
-
- ipkg_message(conf, IPKG_INFO,
- " installing data files\n");
- install_data_files(conf, pkg);
-
- ipkg_message(conf, IPKG_INFO,
- " resolving conf files\n");
- resolve_conffiles(conf, pkg);
-
- pkg->state_status = SS_UNPACKED;
-
- if (old_pkg) {
- old_pkg->state_status = SS_NOT_INSTALLED;
- }
-
- time(&pkg->installed_time);
-
- ipkg_message(conf, IPKG_INFO,
- " cleanup temp files\n");
- cleanup_temporary_files(conf, pkg);
-
- if (pkg->parent)
- pkg->parent->state_status = pkg->state_status;
- }
- return 0;
-}
-
-int ipkg_process_actions_unwind_prerm(ipkg_conf_t *conf, pkg_vec_t *pkgs_to_install)
-{
- int i;
- /* now one more pass checking on the ones that need to be installed */
- for (i = 0 ; i < pkgs_to_install->len; i++ ) {
- pkg_t *pkg = pkgs_to_install->pkgs[i];
- pkg_t *old_pkg = pkg->old_pkg;
-
- if (old_pkg) {
- if (old_pkg->state_flags & SF_POSTRM_UPGRADE)
- postrm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
- if (old_pkg->state_flags & SF_CHECK_DATA_FILE_CLASHES)
- check_data_file_clashes_unwind(conf, pkg, old_pkg);
- if (old_pkg->state_flags & SF_BACKUP_MODIFIED_CONFFILES)
- backup_modified_conffiles_unwind(conf, pkg, old_pkg);
- if (old_pkg->state_flags & SF_PREINST_CONFIGURE)
- preinst_configure_unwind(conf, pkg, old_pkg);
- if (old_pkg->state_flags & SF_DECONFIGURE_CONFLICTORS)
- prerm_deconfigure_conflictors_unwind(conf, pkg, replacees);
- if (old_pkg->state_flags & SF_PRERM_UPGRADE)
- prerm_upgrade_old_pkg_unwind(conf, pkg, old_pkg);
-
- if (old_pkg->state_flags & SF_REMOVED_REPLACEES)
- remove_installed_replacees_unwind(conf, pkg, old_pkg);
-
- }
- }
- return 0;
-}
-
-/*
- * Perform all the actions.
- *
- * pkgs_to_remove are packages marked for removal.
- * pkgs_superseded are the old packages being replaced by upgrades.
- *
- * Assumes pkgs_to_install includes all dependences, recursively, sorted in installable order.
- */
-int ipkg_process_actions(ipkg_conf_t *conf, pkg_vec_t *pkgs_to_remove, pkg_vec_t *pkgs_superseded, pkg_vec_t *pkgs_to_install)
-{
- int err;
- int i;
-
- err = ipkg_remove_packages(conf, pkgs_to_remove);
- if (err) return err;
-
- err = ipkg_process_actions_sanity_check(conf, pkgs_superseded, pkgs_to_install);
- if (err) return err;
-
- err = ipkg_process_actions_remove_replacees(conf, pkgs_to_install);
- if (err) goto UNWIND;
-
- /* @@@@ look at ipkg_install_pkg for handling replacements */
- err = ipkg_process_actions_unpack_packages(conf, pkgs_to_install);
- if (err) goto UNWIND;
-
- /*
- * Now that we have the packages unpacked, we can look for data
- * file clashes. First, we mark the files from the superseded
- * packages as obsolete. Then we scan the files in
- * pkgs_to_install, and only complain about clashes with
- * non-obsolete files.
- */
-
- err = ipkg_process_actions_check_data_file_clashes(conf, pkgs_superseded, pkgs_to_install);
- if (err) goto UNWIND;
-
- /* this was before checking data file clashes */
- err = ipkg_process_actions_prerm(conf, pkgs_superseded, pkgs_to_install);
- if (err) goto UNWIND;
-
- /* point of no return: no unwinding after this */
- err = ipkg_process_actions_install(conf, pkgs_to_install);
- if (err) return err;
-
- ipkg_message(conf, IPKG_INFO, "Done.\n");
- return 0;
-
- UNWIND:
- ipkg_process_actions_unwind(conf, pkgs_to_install);
-
- ipkg_message(conf, IPKG_INFO,
- " cleanup temp files\n");
- cleanup_temporary_files(conf, pkg);
-
- ipkg_message(conf, IPKG_INFO,
- "Failed.\n");
- return err;
-}
-
-#endif