/* This function is meant to be called while staging file to fix any missing/incorrect paths.
* While staging a file, if its parent directory is missing, this would try to create the path
* by breaking it into sub-paths and fixing them top down.
* Here, target_MoM is the consolidated manifest for the version you are trying to update/verify.
*/
int verify_fix_path(char *targetpath, struct manifest *target_MoM)
{
struct list *path_list = NULL; /* path_list contains the subparts in the path */
char *path;
char *tmp = NULL, *target = NULL;
char *url = NULL;
struct stat sb;
int ret = 0;
struct file *file;
char *tar_dotfile = NULL;
struct list *list1 = NULL;
/* This shouldn't happen */
if (strcmp(targetpath, "/") == 0) {
return ret;
}
/* Removing trailing '/' from the path */
path = strdup(targetpath);
if (path[strlen(path) - 1] == '/') {
path[strlen(path) - 1] = '\0';
}
/* Breaking down the path into parts.
* eg. Path /usr/bin/foo will be broken into /usr,/usr/bin and /usr/bin/foo
*/
while (strcmp(path, "/") != 0) {
path_list = list_prepend_data(path_list, strdup(path));
tmp = strdup(dirname(path));
free(path);
path = tmp;
}
free(path);
list1 = list_head(path_list);
while (list1) {
path = list1->data;
list1 = list1->next;
target = mk_full_filename(path_prefix, path);
/* Search for the file in the manifest, to get the hash for the file */
file = search_file_in_manifest(target_MoM, path);
if (file == NULL) {
printf("Error: Path %s not found in any of the subscribed manifests"
"in verify_fix_path for path_prefix %s\n",
path, path_prefix);
ret = -1;
goto end;
}
if (file->is_deleted) {
printf("Error: Path %s found deleted in verify_fix_path\n", path);
ret = -1;
goto end;
}
ret = stat(target, &sb);
if (ret == 0) {
if (verify_file(file, target)) {
continue;
}
printf("Hash did not match for path : %s\n", path);
} else if (ret == -1 && errno == ENOENT) {
printf("Path %s is missing on the file system\n", path);
} else {
goto end;
}
string_or_die(&tar_dotfile, "%s/download/.%s.tar", state_dir, file->hash);
// clean up in case any prior download failed in a partial state
unlink(tar_dotfile);
string_or_die(&url, "%s/%i/files/%s.tar", content_url, file->last_change, file->hash);
ret = swupd_curl_get_file(url, tar_dotfile, NULL, NULL, false);
if (ret != 0) {
printf("Error: Failed to download file %s in verify_fix_path\n", file->filename);
unlink(tar_dotfile);
goto end;
}
if (untar_full_download(file) != 0) {
printf("Error: Failed to untar file %s\n", file->filename);
ret = -1;
goto end;
}
ret = do_staging(file, target_MoM);
if (ret != 0) {
printf("Error: Path %s failed to stage in verify_fix_path\n", path);
goto end;
}
}
end:
if (target) {
free(target);
}
if (tar_dotfile) {
free(tar_dotfile);
}
if (url) {
free(url);
}
list_free_list_and_data(path_list, free_path_data);
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;
}
/* This function is meant to be called while staging file to fix any missing/incorrect paths.
* While staging a file, if its parent directory is missing, this would try to create the path
* by breaking it into sub-paths and fixing them top down.
* Here, target_MoM is the consolidated manifest for the version you are trying to update/verify.
*/
int verify_fix_path(char *targetpath, struct manifest *target_MoM)
{
struct list *path_list = NULL; /* path_list contains the subparts in the path */
char *path;
char *tmp = NULL, *target = NULL;
char *url = NULL;
struct stat sb;
int ret = 0;
struct file *file;
char *tar_dotfile = NULL;
struct list *list1 = NULL;
/* This shouldn't happen */
if (strcmp(targetpath, "/") == 0) {
return ret;
}
/* Removing trailing '/' from the path */
path = strdup_or_die(targetpath);
if (path[strlen(path) - 1] == '/') {
path[strlen(path) - 1] = '\0';
}
/* Breaking down the path into parts.
* eg. Path /usr/bin/foo will be broken into /usr,/usr/bin and /usr/bin/foo
*/
while (strcmp(path, "/") != 0) {
path_list = list_prepend_data(path_list, strdup_or_die(path));
tmp = strdup_or_die(dirname(path));
free_string(&path);
path = tmp;
}
free_string(&path);
list1 = list_head(path_list);
while (list1) {
path = list1->data;
list1 = list1->next;
free_string(&target);
free_string(&tar_dotfile);
free_string(&url);
target = mk_full_filename(path_prefix, path);
/* Search for the file in the manifest, to get the hash for the file */
file = search_file_in_manifest(target_MoM, path);
if (file == NULL) {
fprintf(stderr, "Error: Path %s not found in any of the subscribed manifests"
"in verify_fix_path for path_prefix %s\n",
path, path_prefix);
ret = -1;
goto end;
}
if (file->is_deleted) {
fprintf(stderr, "Error: Path %s found deleted in verify_fix_path\n", path);
ret = -1;
goto end;
}
ret = stat(target, &sb);
if (ret == 0) {
if (verify_file(file, target)) {
continue;
}
fprintf(stderr, "Hash did not match for path : %s ... fixing\n", path);
} else if (ret == -1 && errno == ENOENT) {
fprintf(stderr, "Path %s is missing on the file system ... fixing\n", path);
} else {
goto end;
}
/* In some circumstances (Docker using layers between updates/bundle adds,
* corrupt staging content) we could have content which fails to stage.
* In order to avoid this causing failure in verify_fix_path, remove the
* staging content before proceeding. This also cleans up in case any prior
* download failed in a partial state.
*/
unlink_all_staged_content(file);
string_or_die(&tar_dotfile, "%s/download/.%s.tar", state_dir, file->hash);
string_or_die(&url, "%s/%i/files/%s.tar", content_url, file->last_change, file->hash);
ret = swupd_curl_get_file(url, tar_dotfile);
if (ret != 0) {
fprintf(stderr, "Error: Failed to download file %s in verify_fix_path\n", file->filename);
unlink(tar_dotfile);
goto end;
}
if (untar_full_download(file) != 0) {
fprintf(stderr, "Error: Failed to untar file %s\n", file->filename);
ret = -1;
goto end;
}
ret = do_staging(file, target_MoM);
if (ret != 0) {
fprintf(stderr, "Error: Path %s failed to stage in verify_fix_path\n", path);
goto end;
}
}
end:
free_string(&target);
free_string(&tar_dotfile);
free_string(&url);
list_free_list_and_data(path_list, free_path_data);
return ret;
}
