static int get_all_files(struct manifest *official_manifest, struct list *subs) { int ret; struct list *iter; /* for install we need everything so synchronously download zero packs */ ret = download_subscribed_packs(subs, true); if (ret < 0) { // require zero pack /* If we hit this point, we know we have a network connection, therefore * the error is server-side. This is also a critical error, so detailed * logging needed */ printf("zero pack downloads failed. \n"); printf("Failed - Server-side error, cannot download necessary files\n"); return -ENOSWUPDSERVER; } iter = list_head(official_manifest->files); while (iter) { struct file *file; file = iter->data; iter = iter->next; if (file->is_deleted) { continue; } file_checked_count++; } return 0; }
/* Bundle install one ore more bundles passed in bundles * param as a null terminated array of strings */ int install_bundles(char **bundles) { int lock_fd; int ret = 0; int current_version; struct manifest *mom; struct list *iter; struct sub *sub; struct file *file; /* step 1: initialize swupd and get current version from OS */ if (!init_globals()) { return EINIT_GLOBALS; } ret = swupd_init(&lock_fd); if (ret != 0) { printf("Failed updater initialization, exiting now.\n"); return ret; } current_version = read_version_from_subvol_file(path_prefix); swupd_curl_set_current_version(current_version); /* first of all, make sure STATE_DIR is there, recreate if necessary*/ ret = create_required_dirs(); if (ret != 0) { printf("State directory %s cannot be recreated, aborting installation\n", STATE_DIR); goto clean_and_exit; } ret = load_manifests(current_version, current_version, "MoM", NULL, &mom); if (ret != 0) { printf("Cannot load official manifest MoM for version %i\n", current_version); ret = EMOM_NOTFOUND; goto clean_and_exit; } /* step 2: check bundle args are valid if so populate subs struct */ int i; for (i = 0; *bundles; ++bundles) { if (is_tracked_bundle(*bundles)) { printf("%s bundle already installed, skipping it\n", *bundles); continue; } if (!manifest_has_component(mom, *bundles)) { printf("%s bundle name is invalid, skipping it...\n", *bundles); continue; } if (component_subscribed(*bundles)) { continue; } create_and_append_subscription(*bundles); i++; printf("Added bundle %s for installation\n", *bundles); } if (i == 0) { printf("There are no pending bundles to install, exiting now\n"); ret = EBUNDLE_INSTALL; goto clean_manifest_and_exit; } subscription_versions_from_MoM(mom, 0); recurse_manifest(mom, NULL); consolidate_submanifests(mom); /* step 3: download neccessary packs */ ret = rm_staging_dir_contents("download"); printf("Downloading required packs...\n"); ret = download_subscribed_packs(0, current_version, true); if (ret != 0) { printf("pack downloads failed, cannot proceed with the installation, exiting.\n"); goto clean_subs_and_exit; } /* step 4: Install all bundle(s) files into the fs */ printf("Installing bundle(s) files...\n"); iter = list_head(mom->files); while (iter) { file = iter->data; iter = iter->next; if (file->is_deleted || file->do_not_update || ignore(file)) { continue; } ret = do_staging(file); if (ret == 0) { rename_staged_file_to_final(file); } } sync(); /* step 5: create bundle(s) subscription entries to track them * * Strictly speaking each manifest has an entry to write its own bundle filename * and thus tracking automagically, here just making sure. */ iter = list_head(subs); while (iter) { sub = iter->data; iter = iter->next; printf("Tracking %s bundle on the system\n", sub->component); ret = track_bundle_in_system(sub->component); if (ret != 0) { printf("Cannot track %s bundle on the system\n", sub->component); } } /* Run any scripts that are needed to complete update */ run_scripts(); ret = 0; printf("Bundle(s) installation done.\n"); clean_subs_and_exit: free_subscriptions(); clean_manifest_and_exit: free_manifest(mom); clean_and_exit: swupd_curl_cleanup(); v_lockfile(lock_fd); dump_file_descriptor_leaks(); free_globals(); return ret; }
int install_bundles(struct list *bundles, int current_version, struct manifest *mom) { int ret; struct file *file; struct list *iter; struct list *to_install_bundles, *to_install_files; /* step 1: check bundle args are valid if so populate subs struct */ ret = add_subscriptions(bundles, current_version, mom); if (ret) { if (ret == 1) { printf("bundle(s) already installed, exiting now\n"); } ret = EBUNDLE_INSTALL; goto out; } subscription_versions_from_MoM(mom, 0); to_install_bundles = recurse_manifest(mom, NULL); if (!to_install_bundles) { printf("Error: Cannot load to install bundles\n"); ret = ERECURSE_MANIFEST; goto out; } to_install_files = files_from_bundles(to_install_bundles); to_install_files = consolidate_files(to_install_files); /* step 2: download neccessary packs */ (void)rm_staging_dir_contents("download"); printf("Downloading packs...\n"); (void)download_subscribed_packs(true); /* step 3: Add tracked bundles */ read_subscriptions_alt(); subscription_versions_from_MoM(mom, 0); mom->submanifests = recurse_manifest(mom, NULL); if (!mom->submanifests) { printf("Error: Cannot load installed bundles\n"); ret = ERECURSE_MANIFEST; goto out; } mom->files = files_from_bundles(mom->submanifests); mom->files = consolidate_files(mom->files); /* step 4: Install all bundle(s) files into the fs */ printf("Installing bundle(s) files...\n"); iter = list_head(to_install_files); while (iter) { file = iter->data; iter = iter->next; if (file->is_deleted || file->do_not_update || ignore(file)) { continue; } ret = do_staging(file, mom); if (ret) { ret = verify_fix_path(file->filename, mom); } if (ret) { ret = EBUNDLE_INSTALL; goto out; } } iter = list_head(to_install_files); while (iter) { file = iter->data; iter = iter->next; if (file->is_deleted || file->do_not_update || ignore(file)) { continue; } /* This was staged by verify_fix_path */ if (!file->staging) { file = search_file_in_manifest(mom, file->filename); } rename_staged_file_to_final(file); } sync(); /* step 5: Run any scripts that are needed to complete update */ run_scripts(); ret = 0; printf("Bundle(s) installation done.\n"); out: free_subscriptions(); return ret; }
int main_update() { int current_version = -1, server_version = -1; struct manifest *current_manifest = NULL, *server_manifest = NULL; struct list *updates = NULL; int ret; int lock_fd; int retries = 0; int timeout = 10; srand(time(NULL)); ret = swupd_init(&lock_fd); if (ret != 0) { /* being here means we already close log by a previously caught error */ printf("Updater failed to initialize, exiting now.\n"); return ret; } if (!check_network()) { printf("Error: Network issue, unable to proceed with update\n"); ret = EXIT_FAILURE; goto clean_curl; } printf("Update started.\n"); read_subscriptions_alt(); if (!signature_initialize(UPDATE_CA_CERTS_PATH "/" SIGNATURE_CA_CERT)) { goto clean_curl; } /* Step 1: get versions */ ret = check_versions(¤t_version, &server_version, path_prefix); if (ret < 0) { goto clean_curl; } if (server_version <= current_version) { printf("Version on server (%i) is not newer than system version (%i)\n", server_version, current_version); ret = EXIT_SUCCESS; goto clean_curl; } printf("Preparing to update from %i to %i\n", current_version, server_version); /* Step 2: housekeeping */ if (rm_staging_dir_contents("download")) { goto clean_curl; } load_current_manifests: /* Step 3: setup manifests */ /* get the from/to MoM manifests */ printf("Querying current manifest.\n"); ret = load_manifests(current_version, current_version, "MoM", NULL, ¤t_manifest); if (ret) { /* TODO: possibly remove this as not getting a "from" manifest is not fatal * - we just don't apply deltas */ if (retries < MAX_TRIES) { increment_retries(&retries, &timeout); printf("Retry #%d downloading from/to MoM Manifests\n", retries); goto load_current_manifests; } printf("Failure retrieving manifest from server\n"); goto clean_exit; } /* Reset the retries and timeout for subsequent download calls */ retries = 0; timeout = 10; load_server_manifests: printf("Querying server manifest.\n"); ret = load_manifests(current_version, server_version, "MoM", NULL, &server_manifest); if (ret) { if (retries < MAX_TRIES) { increment_retries(&retries, &timeout); printf("Retry #%d downloading server Manifests\n", retries); goto load_server_manifests; } printf("Failure retrieving manifest from server\n"); goto clean_exit; } if (current_manifest == NULL || server_manifest == NULL) { printf("Unable to load manifest after retrying (config or network problem?)\n"); goto clean_exit; } retries = 0; timeout = 10; ret = add_included_manifests(server_manifest); if (ret) { goto clean_exit; } subscription_versions_from_MoM(current_manifest, 1); subscription_versions_from_MoM(server_manifest, 0); link_submanifests(current_manifest, server_manifest); /* updating subscribed manifests is done as part of recurse_manifest */ /* read the current collective of manifests that we are subscribed to */ current_manifest->submanifests = recurse_manifest(current_manifest, NULL); if (!current_manifest->submanifests) { printf("Cannot load current MoM sub-manifests, (%s), exiting\n", strerror(errno)); goto clean_exit; } /* consolidate the current collective manifests down into one in memory */ current_manifest->files = files_from_bundles(current_manifest->submanifests); current_manifest->files = consolidate_files(current_manifest->files); /* read the new collective of manifests that we are subscribed to */ server_manifest->submanifests = recurse_manifest(server_manifest, NULL); if (!server_manifest->submanifests) { printf("Error: Cannot load server MoM sub-manifests, (%s), exiting\n", strerror(errno)); goto clean_exit; } /* consolidate the new collective manifests down into one in memory */ server_manifest->files = files_from_bundles(server_manifest->submanifests); server_manifest->files = consolidate_files(server_manifest->files); /* prepare for an update process based on comparing two in memory manifests */ link_manifests(current_manifest, server_manifest); #if 0 debug_write_manifest(current_manifest, "debug_manifest_current.txt"); debug_write_manifest(server_manifest, "debug_manifest_server.txt"); #endif /* Step 4: check disk state before attempting update */ run_preupdate_scripts(server_manifest); download_packs: /* Step 5: get the packs and untar */ ret = download_subscribed_packs(false); if (ret) { // packs don't always exist, tolerate that but not ENONET if (retries < MAX_TRIES) { increment_retries(&retries, &timeout); printf("Retry #%d downloading packs\n", retries); goto download_packs; } printf("No network, or server unavailable for pack downloads\n"); goto clean_exit; } /* Step 6: some more housekeeping */ /* TODO: consider trying to do less sorting of manifests */ updates = create_update_list(current_manifest, server_manifest); link_renames(updates, current_manifest); /* TODO: Have special lists for candidate and renames */ print_statistics(current_version, server_version); /* Step 7: apply the update */ ret = update_loop(updates, server_manifest); if (ret == 0) { ret = update_device_latest_version(server_version); printf("Update was applied.\n"); } delete_motd(); /* Run any scripts that are needed to complete update */ run_scripts(); clean_exit: list_free_list(updates); free_manifest(current_manifest); free_manifest(server_manifest); clean_curl: signature_terminate(); swupd_curl_cleanup(); free_subscriptions(); free_globals(); v_lockfile(lock_fd); dump_file_descriptor_leaks(); if ((current_version < server_version) && (ret == 0)) { printf("Update successful. System updated from version %d to version %d\n", current_version, server_version); } else if (ret == 0) { printf("Update complete. System already up-to-date at version %d\n", current_version); } return ret; }
int install_bundles(struct list *bundles, int current_version, struct manifest *mom) { int ret; struct file *file; struct list *iter; struct sub *sub; /* step 1: check bundle args are valid if so populate subs struct */ ret = add_subscriptions(bundles, current_version, mom); if (ret) { if (ret == 1) { printf("bundle(s) already installed, exiting now\n"); } ret = EBUNDLE_INSTALL; goto out; } subscription_versions_from_MoM(mom, 0); ret = recurse_manifest(mom, NULL); if (ret != 0) { printf("Error: Cannot load MoM sub-manifests (ret = %d)\n", ret); ret = ERECURSE_MANIFEST; goto out; } consolidate_submanifests(mom); /* step 2: download neccessary packs */ (void)rm_staging_dir_contents("download"); printf("Downloading required packs...\n"); ret = download_subscribed_packs(true); if (ret != 0) { printf("pack downloads failed, cannot proceed with the installation, exiting.\n"); goto out; } /* step 3: Install all bundle(s) files into the fs */ printf("Installing bundle(s) files...\n"); iter = list_head(mom->files); while (iter) { file = iter->data; iter = iter->next; if (file->is_deleted || file->do_not_update || ignore(file)) { continue; } ret = do_staging(file, mom); if (ret == 0) { rename_staged_file_to_final(file); } } sync(); /* step 4: create bundle(s) subscription entries to track them * * Strictly speaking each manifest has an entry to write its own bundle filename * and thus tracking automagically, here just making sure. */ iter = list_head(subs); while (iter) { sub = iter->data; iter = iter->next; printf("Tracking %s bundle on the system\n", sub->component); ret = track_bundle_in_system(sub->component); if (ret != 0) { printf("Cannot track %s bundle on the system\n", sub->component); } } /* step 5: Run any scripts that are needed to complete update */ run_scripts(); ret = 0; printf("Bundle(s) installation done.\n"); out: free_subscriptions(); return ret; }