/**
* gs_file_create:
* @file: Path to non-existent file
* @mode: Unix access permissions
* @out_stream: (out) (transfer full) (allow-none): Newly created output, or %NULL
* @cancellable: a #GCancellable
* @error: a #GError
*
* Like g_file_create(), except this function allows specifying the
* access mode. This allows atomically creating private files.
*/
gboolean
gs_file_create (GFile *file,
int mode,
GOutputStream **out_stream,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
int fd;
GOutputStream *ret_stream = NULL;
fd = open_nointr (gs_file_get_path_cached (file), O_WRONLY | O_CREAT | O_EXCL, mode);
if (fd < 0)
{
gs_set_prefix_error_from_errno (error, errno, "open");
goto out;
}
if (fchmod (fd, mode) < 0)
{
close (fd);
gs_set_prefix_error_from_errno (error, errno, "fchmod");
goto out;
}
ret_stream = g_unix_output_stream_new (fd, TRUE);
ret = TRUE;
gs_transfer_out_value (out_stream, &ret_stream);
out:
g_clear_object (&ret_stream);
return ret;
}
gboolean
_rpmostree_file_load_contents_utf8_allow_noent (GFile *path,
char **out_contents,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
GError *temp_error = NULL;
gs_free char *ret_contents = NULL;
ret_contents = gs_file_load_contents_utf8 (path, cancellable, &temp_error);
if (!ret_contents)
{
if (g_error_matches (temp_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
{
g_clear_error (&temp_error);
}
else
{
g_propagate_error (error, temp_error);
goto out;
}
}
ret = TRUE;
gs_transfer_out_value (out_contents, &ret_contents);
out:
return ret;
}
gboolean
_rpmostree_util_enumerate_directory_allow_noent (GFile *dirpath,
const char *queryargs,
GFileQueryInfoFlags queryflags,
GFileEnumerator **out_direnum,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
GError *temp_error = NULL;
gs_unref_object GFileEnumerator *ret_direnum = NULL;
ret_direnum = g_file_enumerate_children (dirpath, queryargs, queryflags,
cancellable, &temp_error);
if (!ret_direnum)
{
if (g_error_matches (temp_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
{
g_clear_error (&temp_error);
ret = TRUE;
}
else
g_propagate_error (error, temp_error);
goto out;
}
ret = TRUE;
gs_transfer_out_value (out_direnum, &ret_direnum);
out:
return ret;
}
gboolean
rpmostree_get_pkglist_for_root (GFile *root,
HySack *out_sack,
HyPackageList *out_pkglist,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
int rc;
_cleanup_hysack_ HySack sack = NULL;
_cleanup_hyquery_ HyQuery query = NULL;
_cleanup_hypackagelist_ HyPackageList pkglist = NULL;
#if BUILDOPT_HAWKEY_SACK_CREATE2
sack = hy_sack_create (NULL, NULL,
gs_file_get_path_cached (root),
NULL,
HY_MAKE_CACHE_DIR);
#else
sack = hy_sack_create (NULL, NULL,
gs_file_get_path_cached (root),
HY_MAKE_CACHE_DIR);
#endif
if (sack == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to create sack cache");
goto out;
}
rc = hy_sack_load_system_repo (sack, NULL, 0);
if (!hif_error_set_from_hawkey (rc, error))
{
g_prefix_error (error, "Failed to load system repo: ");
goto out;
}
query = hy_query_create (sack);
hy_query_filter (query, HY_PKG_REPONAME, HY_EQ, HY_SYSTEM_REPO_NAME);
pkglist = hy_query_run (query);
ret = TRUE;
gs_transfer_out_value (out_sack, &sack);
gs_transfer_out_value (out_pkglist, &pkglist);
out:
return ret;
}
gboolean
rpmostree_db_option_context_parse (GOptionContext *context,
const GOptionEntry *main_entries,
int *argc, char ***argv,
OstreeRepo **out_repo,
GCancellable *cancellable, GError **error)
{
gs_unref_object OstreeRepo *repo = NULL;
gboolean success = FALSE;
/* Entries are listed in --help output in the order added. We add the
* main entries ourselves so that we can add the --repo entry first. */
g_option_context_add_main_entries (context, global_entries, NULL);
if (!rpmostree_option_context_parse (context,
main_entries,
argc, argv,
RPM_OSTREE_BUILTIN_FLAG_LOCAL_CMD,
cancellable,
NULL,
error))
goto out;
if (opt_repo == NULL)
{
gs_unref_object OstreeSysroot *sysroot = NULL;
sysroot = ostree_sysroot_new_default ();
if (!ostree_sysroot_load (sysroot, cancellable, error))
goto out;
if (!ostree_sysroot_get_repo (sysroot, &repo, cancellable, error))
goto out;
}
else
{
gs_unref_object GFile *repo_file = g_file_new_for_path (opt_repo);
repo = ostree_repo_new (repo_file);
if (!ostree_repo_open (repo, cancellable, error))
goto out;
}
if (rpmReadConfigFiles (NULL, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"rpm failed to init: %s", rpmlogMessage ());
goto out;
}
gs_transfer_out_value (out_repo, &repo);
success = TRUE;
out:
return success;
}
/**
* gs_file_open_in_tmpdir_at:
* @tmpdir_fd: Directory to place temporary file
* @mode: Default mode (will be affected by umask)
* @out_name: (out) (transfer full): Newly created file name
* @out_stream: (out) (transfer full) (allow-none): Newly created output stream
* @cancellable:
* @error:
*
* Like g_file_open_tmp(), except the file will be created in the
* provided @tmpdir, and allows specification of the Unix @mode, which
* means private files may be created. Return values will be stored
* in @out_name, and optionally @out_stream.
*/
gboolean
gs_file_open_in_tmpdir_at (int tmpdir_fd,
int mode,
char **out_name,
GOutputStream **out_stream,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
const int max_attempts = 128;
int i;
char *tmp_name = NULL;
int fd;
/* 128 attempts seems reasonable... */
for (i = 0; i < max_attempts; i++)
{
g_free (tmp_name);
tmp_name = gs_fileutil_gen_tmp_name (NULL, NULL);
do
fd = openat (tmpdir_fd, tmp_name, O_WRONLY | O_CREAT | O_EXCL | O_CLOEXEC, mode);
while (fd == -1 && errno == EINTR);
if (fd < 0 && errno != EEXIST)
{
gs_set_prefix_error_from_errno (error, errno, "openat");
goto out;
}
else if (fd != -1)
break;
}
if (i == max_attempts)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Exhausted attempts to open temporary file");
goto out;
}
ret = TRUE;
gs_transfer_out_value (out_name, &tmp_name);
if (out_stream)
*out_stream = g_unix_output_stream_new (fd, TRUE);
else
(void) close (fd);
out:
g_free (tmp_name);
return ret;
}
static gboolean
parse_origin (OstreeSysroot *self,
int deployment_dfd,
const char *deployment_name,
GKeyFile **out_origin,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
g_autoptr(GKeyFile) ret_origin = NULL;
g_autofree char *origin_path = g_strconcat ("../", deployment_name, ".origin", NULL);
struct stat stbuf;
g_autofree char *origin_contents = NULL;
ret_origin = g_key_file_new ();
if (fstatat (deployment_dfd, origin_path, &stbuf, 0) != 0)
{
if (errno == ENOENT)
;
else
{
glnx_set_error_from_errno (error);
goto out;
}
}
else
{
origin_contents = glnx_file_get_contents_utf8_at (deployment_dfd, origin_path,
NULL, cancellable, error);
if (!origin_contents)
goto out;
if (!g_key_file_load_from_data (ret_origin, origin_contents, -1, 0, error))
goto out;
}
ret = TRUE;
gs_transfer_out_value (out_origin, &ret_origin);
out:
if (error)
g_prefix_error (error, "Parsing %s: ", origin_path);
if (ret_origin)
g_key_file_unref (ret_origin);
return ret;
}
/* Given a directory @d, find the first child that is a directory,
* returning it in @out_subdir. If there are multiple directories,
* return an error.
*/
static gboolean
find_ensure_one_subdirectory (GFile *d,
GFile **out_subdir,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_unref_object GFileEnumerator *direnum = NULL;
gs_unref_object GFile *ret_subdir = NULL;
direnum = g_file_enumerate_children (d, "standard::name,standard::type", 0,
cancellable, error);
if (!direnum)
goto out;
while (TRUE)
{
GFileInfo *file_info;
GFile *child;
if (!gs_file_enumerator_iterate (direnum, &file_info, &child,
cancellable, error))
goto out;
if (!file_info)
break;
if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY)
{
if (ret_subdir)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Multiple subdirectories found in: %s", gs_file_get_path_cached (d));
goto out;
}
ret_subdir = g_object_ref (child);
}
}
ret = TRUE;
gs_transfer_out_value (out_subdir, &ret_subdir);
out:
return ret;
}
/*
* Generate a sorted array of [(checksum: str, size: uint64, names: array[string]), ...]
* for regular file content.
*/
static gboolean
build_content_sizenames_filtered (OstreeRepo *repo,
GVariant *commit,
GHashTable *include_only_objects,
GPtrArray **out_sizenames,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
g_autoptr(GPtrArray) ret_sizenames =
g_ptr_array_new_with_free_func (_ostree_delta_content_sizenames_free);
g_autoptr(GHashTable) sizenames_map =
g_hash_table_new_full (g_str_hash, g_str_equal, NULL, _ostree_delta_content_sizenames_free);
ostree_cleanup_repo_commit_traverse_iter
OstreeRepoCommitTraverseIter iter = { 0, };
if (!ostree_repo_commit_traverse_iter_init_commit (&iter, repo, commit,
OSTREE_REPO_COMMIT_TRAVERSE_FLAG_NONE,
error))
goto out;
if (!build_content_sizenames_recurse (repo, &iter, sizenames_map, include_only_objects,
cancellable, error))
goto out;
{ GHashTableIter hashiter;
gpointer hkey, hvalue;
g_hash_table_iter_init (&hashiter, sizenames_map);
while (g_hash_table_iter_next (&hashiter, &hkey, &hvalue))
{
g_hash_table_iter_steal (&hashiter);
g_ptr_array_add (ret_sizenames, hvalue);
}
}
g_ptr_array_sort (ret_sizenames, compare_sizenames);
ret = TRUE;
gs_transfer_out_value (out_sizenames, &ret_sizenames);
out:
return ret;
}
static gboolean
terminal_app_dbus_register (GApplication *application,
GDBusConnection *connection,
const gchar *object_path,
GError **error)
{
TerminalApp *app = TERMINAL_APP (application);
gs_unref_object TerminalObjectSkeleton *object = NULL;
gs_unref_object TerminalFactory *factory = NULL;
if (!G_APPLICATION_CLASS (terminal_app_parent_class)->dbus_register (application,
connection,
object_path,
error))
return FALSE;
#ifdef ENABLE_SEARCH_PROVIDER
if (g_settings_get_boolean (app->global_settings, TERMINAL_SETTING_SHELL_INTEGRATION_KEY)) {
gs_unref_object TerminalSearchProvider *search_provider;
search_provider = terminal_search_provider_new ();
if (!terminal_search_provider_dbus_register (search_provider,
connection,
TERMINAL_SEARCH_PROVIDER_PATH,
error))
return FALSE;
gs_transfer_out_value (&app->search_provider, &search_provider);
}
#endif /* ENABLE_SEARCH_PROVIDER */
object = terminal_object_skeleton_new (TERMINAL_FACTORY_OBJECT_PATH);
factory = terminal_factory_impl_new ();
terminal_object_skeleton_set_factory (object, factory);
app->object_manager = g_dbus_object_manager_server_new (TERMINAL_OBJECT_PATH_PREFIX);
g_dbus_object_manager_server_export (app->object_manager, G_DBUS_OBJECT_SKELETON (object));
/* And export the object */
g_dbus_object_manager_server_set_connection (app->object_manager, connection);
return TRUE;
}
/**
* ostree_repo_traverse_commit:
* @repo: Repo
* @commit_checksum: ASCII SHA256 checksum
* @maxdepth: Traverse this many parent commits, -1 for unlimited
* @out_reachable: (out) (transfer container) (element-type GVariant GVariant): Set of reachable objects
* @cancellable: Cancellable
* @error: Error
*
* Create a new set @out_reachable containing all objects reachable
* from @commit_checksum, traversing @maxdepth parent commits.
*/
gboolean
ostree_repo_traverse_commit (OstreeRepo *repo,
const char *commit_checksum,
int maxdepth,
GHashTable **out_reachable,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
g_autoptr(GHashTable) ret_reachable =
ostree_repo_traverse_new_reachable ();
if (!ostree_repo_traverse_commit_union (repo, commit_checksum, maxdepth,
ret_reachable, cancellable, error))
goto out;
ret = TRUE;
gs_transfer_out_value (out_reachable, &ret_reachable);
out:
return ret;
}
/**
* ostree_sysroot_query_bootloader:
* @sysroot: Sysroot
* @out_bootloader: (out) (transfer full) (allow-none): Return location for bootloader, may be %NULL
* @cancellable: Cancellable
* @error: Error
*/
gboolean
_ostree_sysroot_query_bootloader (OstreeSysroot *sysroot,
OstreeBootloader **out_bootloader,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gboolean is_active;
glnx_unref_object OstreeBootloader *ret_loader = NULL;
ret_loader = (OstreeBootloader*)_ostree_bootloader_syslinux_new (sysroot);
if (!_ostree_bootloader_query (ret_loader, &is_active,
cancellable, error))
goto out;
if (!is_active)
{
g_object_unref (ret_loader);
ret_loader = (OstreeBootloader*)_ostree_bootloader_grub2_new (sysroot);
if (!_ostree_bootloader_query (ret_loader, &is_active,
cancellable, error))
goto out;
}
if (!is_active)
{
g_object_unref (ret_loader);
ret_loader = (OstreeBootloader*)_ostree_bootloader_uboot_new (sysroot);
if (!_ostree_bootloader_query (ret_loader, &is_active, cancellable, error))
goto out;
}
if (!is_active)
g_clear_object (&ret_loader);
ret = TRUE;
gs_transfer_out_value (out_bootloader, &ret_loader);
out:
return ret;
}
/**
* gs_file_open_in_tmpdir:
* @tmpdir: Directory to place temporary file
* @mode: Default mode (will be affected by umask)
* @out_file: (out) (transfer full): Newly created file path
* @out_stream: (out) (transfer full) (allow-none): Newly created output stream
* @cancellable:
* @error:
*
* Like g_file_open_tmp(), except the file will be created in the
* provided @tmpdir, and allows specification of the Unix @mode, which
* means private files may be created. Return values will be stored
* in @out_file, and optionally @out_stream.
*/
gboolean
gs_file_open_in_tmpdir (GFile *tmpdir,
int mode,
GFile **out_file,
GOutputStream **out_stream,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
DIR *d = NULL;
int dfd = -1;
char *tmp_name = NULL;
GOutputStream *ret_stream = NULL;
d = opendir (gs_file_get_path_cached (tmpdir));
if (!d)
{
gs_set_prefix_error_from_errno (error, errno, "opendir");
goto out;
}
dfd = dirfd (d);
if (!gs_file_open_in_tmpdir_at (dfd, mode, &tmp_name,
out_stream ? &ret_stream : NULL,
cancellable, error))
goto out;
ret = TRUE;
*out_file = g_file_get_child (tmpdir, tmp_name);
gs_transfer_out_value (out_stream, &ret_stream);
out:
if (d) (void) closedir (d);
g_clear_object (&ret_stream);
g_free (tmp_name);
return ret;
}
gboolean
_ostree_sysroot_read_boot_loader_configs (OstreeSysroot *self,
int bootversion,
GPtrArray **out_loader_configs,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
int fd; /* Temporary owned by iterator */
g_autofree char *entries_path = g_strdup_printf ("boot/loader.%d/entries", bootversion);
g_autoptr(GPtrArray) ret_loader_configs = NULL;
g_auto(GLnxDirFdIterator) dfd_iter = { 0, };
if (!ensure_sysroot_fd (self, error))
goto out;
ret_loader_configs = g_ptr_array_new_with_free_func ((GDestroyNotify)g_object_unref);
fd = glnx_opendirat_with_errno (self->sysroot_fd, entries_path, TRUE);
if (fd == -1)
{
if (errno == ENOENT)
goto done;
else
{
glnx_set_error_from_errno (error);
goto out;
}
}
if (!glnx_dirfd_iterator_init_take_fd (fd, &dfd_iter, error))
goto out;
while (TRUE)
{
struct dirent *dent;
struct stat stbuf;
if (!glnx_dirfd_iterator_next_dent (&dfd_iter, &dent, cancellable, error))
goto out;
if (dent == NULL)
break;
if (fstatat (dfd_iter.fd, dent->d_name, &stbuf, 0) != 0)
{
glnx_set_error_from_errno (error);
goto out;
}
if (g_str_has_prefix (dent->d_name, "ostree-") &&
g_str_has_suffix (dent->d_name, ".conf") &&
S_ISREG (stbuf.st_mode))
{
glnx_unref_object OstreeBootconfigParser *config = ostree_bootconfig_parser_new ();
if (!ostree_bootconfig_parser_parse_at (config, dfd_iter.fd, dent->d_name, cancellable, error))
{
g_prefix_error (error, "Parsing %s: ", dent->d_name);
goto out;
}
g_ptr_array_add (ret_loader_configs, g_object_ref (config));
}
}
done:
gs_transfer_out_value (out_loader_configs, &ret_loader_configs);
ret = TRUE;
out:
return ret;
}
static gboolean
find_kernel_and_initramfs_in_bootdir (GFile *bootdir,
GFile **out_kernel,
GFile **out_initramfs,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_unref_object GFileEnumerator *direnum = NULL;
gs_unref_object GFile *ret_kernel = NULL;
gs_unref_object GFile *ret_initramfs = NULL;
direnum = g_file_enumerate_children (bootdir, "standard::name", 0,
cancellable, error);
if (!direnum)
goto out;
while (TRUE)
{
const char *name;
GFileInfo *file_info;
GFile *child;
if (!gs_file_enumerator_iterate (direnum, &file_info, &child,
cancellable, error))
goto out;
if (!file_info)
break;
name = g_file_info_get_name (file_info);
/* Current Fedora 23 kernel.spec installs as just vmlinuz */
if (strcmp (name, "vmlinuz") == 0 || g_str_has_prefix (name, "vmlinuz-"))
{
if (ret_kernel)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Multiple vmlinuz- in %s",
gs_file_get_path_cached (bootdir));
goto out;
}
ret_kernel = g_object_ref (child);
}
else if (g_str_has_prefix (name, "initramfs-"))
{
if (ret_initramfs)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Multiple initramfs- in %s",
gs_file_get_path_cached (bootdir));
goto out;
}
ret_initramfs = g_object_ref (child);
}
}
ret = TRUE;
gs_transfer_out_value (out_kernel, &ret_kernel);
gs_transfer_out_value (out_initramfs, &ret_initramfs);
out:
return ret;
}
gboolean
rpmostree_db_option_context_parse (GOptionContext *context,
const GOptionEntry *main_entries,
int *argc, char ***argv,
OstreeRepo **out_repo,
GFile **out_rpmdbdir,
gboolean *out_rpmdbdir_is_tmp,
GCancellable *cancellable, GError **error)
{
gs_unref_object OstreeRepo *repo = NULL;
gs_unref_object GFile *rpmdbdir = NULL;
gboolean rpmdbdir_is_tmp = FALSE;
gboolean success = FALSE;
/* Entries are listed in --help output in the order added. We add the
* main entries ourselves so that we can add the --repo entry first. */
g_option_context_add_main_entries (context, global_entries, NULL);
if (!rpmostree_option_context_parse (context, main_entries, argc, argv, error))
goto out;
if (opt_repo == NULL)
{
gs_unref_object OstreeSysroot *sysroot = NULL;
sysroot = ostree_sysroot_new_default ();
if (!ostree_sysroot_load (sysroot, cancellable, error))
goto out;
if (!ostree_sysroot_get_repo (sysroot, &repo, cancellable, error))
goto out;
}
else
{
gs_unref_object GFile *repo_file = g_file_new_for_path (opt_repo);
repo = ostree_repo_new (repo_file);
if (!ostree_repo_open (repo, cancellable, error))
goto out;
}
if (rpmReadConfigFiles (NULL, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"rpm failed to init: %s", rpmlogMessage ());
goto out;
}
if (opt_rpmdbdir != NULL)
{
rpmdbdir = g_file_new_for_path (opt_rpmdbdir);
}
else
{
/* tmp on tmpfs is much faster than /var/tmp,
* and the rpmdb itself shouldn't be too big. */
gs_free char *tmpd = g_mkdtemp (g_strdup ("/tmp/rpm-ostree.XXXXXX"));
rpmdbdir = g_file_new_for_path (tmpd);
rpmdbdir_is_tmp = TRUE;
ostree_repo_set_disable_fsync (repo, TRUE);
}
gs_transfer_out_value (out_repo, &repo);
gs_transfer_out_value (out_rpmdbdir, &rpmdbdir);
if (out_rpmdbdir_is_tmp != NULL)
*out_rpmdbdir_is_tmp = rpmdbdir_is_tmp;
success = TRUE;
out:
return success;
}
/**
* ostree_repo_list_static_delta_names:
* @self: Repo
* @out_deltas: (out) (element-type utf8): String name of deltas (checksum-checksum.delta)
* @cancellable: Cancellable
* @error: Error
*
* This function synchronously enumerates all static deltas in the
* repository, returning its result in @out_deltas.
*/
gboolean
ostree_repo_list_static_delta_names (OstreeRepo *self,
GPtrArray **out_deltas,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gs_unref_ptrarray GPtrArray *ret_deltas = NULL;
gs_unref_object GFileEnumerator *dir_enum = NULL;
ret_deltas = g_ptr_array_new_with_free_func (g_free);
if (g_file_query_exists (self->deltas_dir, NULL))
{
dir_enum = g_file_enumerate_children (self->deltas_dir, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
NULL, error);
if (!dir_enum)
goto out;
while (TRUE)
{
gs_unref_object GFileEnumerator *dir_enum2 = NULL;
GFileInfo *file_info;
GFile *child;
if (!gs_file_enumerator_iterate (dir_enum, &file_info, &child,
NULL, error))
goto out;
if (file_info == NULL)
break;
if (g_file_info_get_file_type (file_info) != G_FILE_TYPE_DIRECTORY)
continue;
dir_enum2 = g_file_enumerate_children (child, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
NULL, error);
if (!dir_enum2)
goto out;
while (TRUE)
{
GFileInfo *file_info2;
GFile *child2;
const char *name1;
const char *name2;
if (!gs_file_enumerator_iterate (dir_enum2, &file_info2, &child2,
NULL, error))
goto out;
if (file_info2 == NULL)
break;
if (g_file_info_get_file_type (file_info2) != G_FILE_TYPE_DIRECTORY)
continue;
name1 = gs_file_get_basename_cached (child);
name2 = gs_file_get_basename_cached (child2);
{
gs_unref_object GFile *meta_path = g_file_get_child (child2, "superblock");
if (g_file_query_exists (meta_path, NULL))
{
gs_free char *buf = g_strconcat (name1, name2, NULL);
GString *out = g_string_new ("");
char checksum[65];
guchar csum[32];
const char *dash = strchr (buf, '-');
ostree_checksum_b64_inplace_to_bytes (buf, csum);
ostree_checksum_inplace_from_bytes (csum, checksum);
g_string_append (out, checksum);
if (dash)
{
g_string_append_c (out, '-');
ostree_checksum_b64_inplace_to_bytes (dash+1, csum);
ostree_checksum_inplace_from_bytes (csum, checksum);
g_string_append (out, checksum);
}
g_ptr_array_add (ret_deltas, g_string_free (out, FALSE));
}
}
}
}
}
ret = TRUE;
gs_transfer_out_value (out_deltas, &ret_deltas);
out:
return ret;
}
static gboolean
compute_checksum_from_treefile_and_goal (RpmOstreeTreeComposeContext *self,
HyGoal goal,
GFile *contextdir,
JsonArray *add_files,
char **out_checksum,
GError **error)
{
gboolean ret = FALSE;
g_autofree char *ret_checksum = NULL;
GChecksum *checksum = g_checksum_new (G_CHECKSUM_SHA256);
/* Hash in the raw treefile; this means reordering the input packages
* or adding a comment will cause a recompose, but let's be conservative
* here.
*/
{ gsize len;
const guint8* buf = g_bytes_get_data (self->serialized_treefile, &len);
g_checksum_update (checksum, buf, len);
}
if (add_files)
{
guint i, len = json_array_get_length (add_files);
for (i = 0; i < len; i++)
{
g_autoptr(GFile) srcfile = NULL;
const char *src, *dest;
JsonArray *add_el = json_array_get_array_element (add_files, i);
g_autoptr(GFile) child = NULL;
if (!add_el)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Element in add-files is not an array");
goto out;
}
src = _rpmostree_jsonutil_array_require_string_element (add_el, 0, error);
if (!src)
goto out;
dest = _rpmostree_jsonutil_array_require_string_element (add_el, 1, error);
if (!dest)
goto out;
srcfile = g_file_resolve_relative_path (contextdir, src);
if (!_rpmostree_util_update_checksum_from_file (checksum,
srcfile,
NULL,
error))
goto out;
g_checksum_update (checksum, (const guint8 *) dest, strlen (dest));
}
}
/* FIXME; we should also hash the post script */
/* Hash in each package */
rpmostree_dnf_add_checksum_goal (checksum, goal);
ret_checksum = g_strdup (g_checksum_get_string (checksum));
ret = TRUE;
out:
gs_transfer_out_value (out_checksum, &ret_checksum);
if (checksum) g_checksum_free (checksum);
return ret;
}
static gboolean
install_packages_in_root (RpmOstreeTreeComposeContext *self,
RpmOstreeContext *ctx,
JsonObject *treedata,
GFile *yumroot,
char **packages,
gboolean *out_unmodified,
char **out_new_inputhash,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
guint progress_sigid;
GFile *contextdir = self->treefile_context_dirs->pdata[0];
g_autoptr(RpmOstreeInstall) hifinstall = { 0, };
DnfContext *hifctx;
g_autofree char *ret_new_inputhash = NULL;
g_autoptr(GKeyFile) treespec = g_key_file_new ();
JsonArray *enable_repos = NULL;
JsonArray *add_files = NULL;
/* TODO - uncomment this once we have SELinux working */
#if 0
g_autofree char *cache_repo_pathstr = glnx_fdrel_abspath (self->cachedir_dfd, "repo");
g_autoptr(GFile) cache_repo_path = g_file_new_for_path (cache_repo_pathstr);
glnx_unref_object OstreeRepo *ostreerepo = ostree_repo_new (cache_repo_path);
if (!g_file_test (cache_repo_pathstr, G_FILE_TEST_EXISTS))
{
if (!ostree_repo_create (ostreerepo, OSTREE_REPO_MODE_BARE_USER, cancellable, error))
goto out;
}
#endif
hifctx = rpmostree_context_get_hif (ctx);
if (opt_proxy)
dnf_context_set_http_proxy (hifctx, opt_proxy);
/* Hack this here... see https://github.com/rpm-software-management/libhif/issues/53
* but in the future we won't be using librpm at all for unpack/scripts, so it won't
* matter.
*/
{ const char *debuglevel = getenv ("RPMOSTREE_RPM_VERBOSITY");
if (!debuglevel)
debuglevel = "info";
dnf_context_set_rpm_verbosity (hifctx, debuglevel);
rpmlogSetFile(NULL);
}
dnf_context_set_repo_dir (hifctx, gs_file_get_path_cached (contextdir));
/* By default, retain packages in addition to metadata with --cachedir */
if (opt_cachedir)
dnf_context_set_keep_cache (hifctx, TRUE);
if (opt_cache_only)
dnf_context_set_cache_age (hifctx, G_MAXUINT);
g_key_file_set_string (treespec, "tree", "ref", self->ref);
g_key_file_set_string_list (treespec, "tree", "packages", (const char *const*)packages, g_strv_length (packages));
/* Some awful code to translate between JSON and GKeyFile */
if (json_object_has_member (treedata, "install-langs"))
{
JsonArray *a = json_object_get_array_member (treedata, "install-langs");
if (!set_keyfile_string_array_from_json (treespec, "tree", "install-langs", a, error))
goto out;
}
/* Bind the json \"repos\" member to the hif state, which looks at the
* enabled= member of the repos file. By default we forcibly enable
* only repos which are specified, ignoring the enabled= flag.
*/
if (!json_object_has_member (treedata, "repos"))
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Treefile is missing required \"repos\" member");
goto out;
}
enable_repos = json_object_get_array_member (treedata, "repos");
if (!set_keyfile_string_array_from_json (treespec, "tree", "repos", enable_repos, error))
goto out;
{ gboolean docs = TRUE;
if (!_rpmostree_jsonutil_object_get_optional_boolean_member (treedata,
"documentation",
&docs,
error))
goto out;
if (!docs)
g_key_file_set_boolean (treespec, "tree", "documentation", FALSE);
}
{ g_autoptr(GError) tmp_error = NULL;
g_autoptr(RpmOstreeTreespec) treespec_value = rpmostree_treespec_new_from_keyfile (treespec, &tmp_error);
g_assert_no_error (tmp_error);
if (!rpmostree_context_setup (ctx, gs_file_get_path_cached (yumroot), "/", treespec_value,
cancellable, error))
goto out;
}
/* --- Downloading metadata --- */
if (!rpmostree_context_download_metadata (ctx, cancellable, error))
goto out;
if (!rpmostree_context_prepare_install (ctx, &hifinstall, cancellable, error))
goto out;
rpmostree_print_transaction (hifctx);
if (json_object_has_member (treedata, "add-files"))
add_files = json_object_get_array_member (treedata, "add-files");
/* FIXME - just do a depsolve here before we compute download requirements */
if (!compute_checksum_from_treefile_and_goal (self, dnf_context_get_goal (hifctx),
contextdir, add_files,
&ret_new_inputhash, error))
goto out;
/* Only look for previous checksum if caller has passed *out_unmodified */
if (self->previous_checksum && out_unmodified != NULL)
{
g_autoptr(GVariant) commit_v = NULL;
g_autoptr(GVariant) commit_metadata = NULL;
const char *previous_inputhash = NULL;
if (!ostree_repo_load_variant (self->repo, OSTREE_OBJECT_TYPE_COMMIT,
self->previous_checksum,
&commit_v, error))
goto out;
commit_metadata = g_variant_get_child_value (commit_v, 0);
if (g_variant_lookup (commit_metadata, "rpmostree.inputhash", "&s", &previous_inputhash))
{
if (strcmp (previous_inputhash, ret_new_inputhash) == 0)
{
*out_unmodified = TRUE;
ret = TRUE;
goto out;
}
}
else
g_print ("Previous commit found, but without rpmostree.inputhash metadata key\n");
}
if (opt_dry_run)
{
ret = TRUE;
goto out;
}
/* --- Downloading packages --- */
if (!rpmostree_context_download (ctx, hifinstall, cancellable, error))
goto out;
{ g_auto(GLnxConsoleRef) console = { 0, };
glnx_unref_object DnfState *hifstate = dnf_state_new ();
progress_sigid = g_signal_connect (hifstate, "percentage-changed",
G_CALLBACK (on_hifstate_percentage_changed),
"Installing packages:");
glnx_console_lock (&console);
if (!dnf_transaction_commit (dnf_context_get_transaction (hifctx),
dnf_context_get_goal (hifctx),
hifstate,
error))
goto out;
g_signal_handler_disconnect (hifstate, progress_sigid);
}
ret = TRUE;
if (out_unmodified)
*out_unmodified = FALSE;
gs_transfer_out_value (out_new_inputhash, &ret_new_inputhash);
out:
return ret;
}
static gboolean
parse_deployment (OstreeSysroot *self,
const char *boot_link,
OstreeDeployment **out_deployment,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
const char *relative_boot_link;
glnx_unref_object OstreeDeployment *ret_deployment = NULL;
int entry_boot_version;
int treebootserial = -1;
int deployserial = -1;
g_autofree char *osname = NULL;
g_autofree char *bootcsum = NULL;
g_autofree char *treecsum = NULL;
glnx_fd_close int deployment_dfd = -1;
const char *deploy_basename;
g_autofree char *treebootserial_target = NULL;
g_autofree char *deploy_dir = NULL;
GKeyFile *origin = NULL;
if (!ensure_sysroot_fd (self, error))
goto out;
if (!parse_bootlink (boot_link, &entry_boot_version,
&osname, &bootcsum, &treebootserial,
error))
goto out;
relative_boot_link = boot_link;
if (*relative_boot_link == '/')
relative_boot_link++;
treebootserial_target = glnx_readlinkat_malloc (self->sysroot_fd, relative_boot_link,
cancellable, error);
if (!treebootserial_target)
goto out;
deploy_basename = glnx_basename (treebootserial_target);
if (!_ostree_sysroot_parse_deploy_path_name (deploy_basename,
&treecsum, &deployserial, error))
goto out;
if (!glnx_opendirat (self->sysroot_fd, relative_boot_link, TRUE,
&deployment_dfd, error))
goto out;
if (!parse_origin (self, deployment_dfd, deploy_basename, &origin,
cancellable, error))
goto out;
ret_deployment = ostree_deployment_new (-1, osname, treecsum, deployserial,
bootcsum, treebootserial);
if (origin)
ostree_deployment_set_origin (ret_deployment, origin);
ret = TRUE;
gs_transfer_out_value (out_deployment, &ret_deployment);
out:
if (origin)
g_key_file_unref (origin);
return ret;
}
/*
* Build up a map of files with matching basenames and similar size,
* and use it to find apparently similar objects.
*
* @new_reachable_regfile_content is a Set<checksum> of new regular
* file objects.
*
* Currently, @out_modified_regfile_content will be a Map<to checksum,from checksum>;
* however in the future it would be easy to have this function return
* multiple candidate matches. The hard part would be changing
* the delta compiler to iterate over all matches, determine
* a cost for each one, then pick the best.
*/
gboolean
_ostree_delta_compute_similar_objects (OstreeRepo *repo,
GVariant *from_commit,
GVariant *to_commit,
GHashTable *new_reachable_regfile_content,
guint similarity_percent_threshold,
GHashTable **out_modified_regfile_content,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
g_autoptr(GHashTable) ret_modified_regfile_content =
g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)g_ptr_array_unref);
g_autoptr(GPtrArray) from_sizes = NULL;
g_autoptr(GPtrArray) to_sizes = NULL;
guint i, j;
guint lower;
guint upper;
if (!build_content_sizenames_filtered (repo, from_commit, NULL,
&from_sizes,
cancellable, error))
goto out;
if (!build_content_sizenames_filtered (repo, to_commit, new_reachable_regfile_content,
&to_sizes,
cancellable, error))
goto out;
/* Iterate over all newly added objects, find objects which have
* similar basename and sizes.
*
* Because the arrays are sorted by size, we can maintain a `lower`
* bound on the original (from) objects to start searching.
*/
lower = 0;
upper = from_sizes->len;
for (i = 0; i < to_sizes->len; i++)
{
OstreeDeltaContentSizeNames *to_sizenames = to_sizes->pdata[i];
const guint64 min_threshold = to_sizenames->size *
(1.0-similarity_percent_threshold/100.0);
const guint64 max_threshold = to_sizenames->size *
(1.0+similarity_percent_threshold/100.0);
/* Don't build candidates for the empty object */
if (to_sizenames->size == 0)
continue;
for (j = lower; j < upper; j++)
{
OstreeDeltaContentSizeNames *from_sizenames = from_sizes->pdata[j];
/* Don't build candidates for the empty object */
if (from_sizenames->size == 0)
continue;
if (from_sizenames->size < min_threshold)
{
lower++;
continue;
}
if (from_sizenames->size > max_threshold)
break;
if (!string_array_nonempty_intersection (from_sizenames->basenames, to_sizenames->basenames))
continue;
/* Only one candidate right now */
g_hash_table_insert (ret_modified_regfile_content,
g_strdup (to_sizenames->checksum),
g_strdup (from_sizenames->checksum));
break;
}
}
ret = TRUE;
gs_transfer_out_value (out_modified_regfile_content, &ret_modified_regfile_content);
out:
return ret;
}
