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flatpak-builder/common/flatpak-utils.h

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/*
* Copyright © 2014 Red Hat, Inc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Alexander Larsson <alexl@redhat.com>
*/
#ifndef __FLATPAK_UTILS_H__
#define __FLATPAK_UTILS_H__
#include <string.h>
#include "libglnx/libglnx.h"
#include <flatpak-common-types.h>
#include <gio/gio.h>
#include <gio/gunixfdlist.h>
#include <libsoup/soup.h>
#include "flatpak-dbus.h"
#include <ostree.h>
#include <json-glib/json-glib.h>
typedef enum {
FLATPAK_HOST_COMMAND_FLAGS_CLEAR_ENV = 1 << 0,
} FlatpakHostCommandFlags;
/* https://bugzilla.gnome.org/show_bug.cgi?id=766370 */
#if !GLIB_CHECK_VERSION(2, 49, 3)
#define FLATPAK_VARIANT_BUILDER_INITIALIZER {{0,}}
#define FLATPAK_VARIANT_DICT_INITIALIZER {{0,}}
#else
#define FLATPAK_VARIANT_BUILDER_INITIALIZER {{{0,}}}
#define FLATPAK_VARIANT_DICT_INITIALIZER {{{0,}}}
#endif
/* https://github.com/GNOME/libglnx/pull/38
* Note by using #define rather than wrapping via a static inline, we
* don't have to re-define attributes like G_GNUC_PRINTF.
*/
#define flatpak_fail glnx_throw
gint flatpak_strcmp0_ptr (gconstpointer a,
gconstpointer b);
gboolean flatpak_has_path_prefix (const char *str,
const char *prefix);
const char * flatpak_path_match_prefix (const char *pattern,
const char *path);
gboolean flatpak_is_in_sandbox (void);
const char * flatpak_get_arch (void);
const char ** flatpak_get_arches (void);
const char ** flatpak_get_gl_drivers (void);
gboolean flatpak_extension_matches_reason (const char *extension_id,
const char *reason,
gboolean default_value);
const char * flatpak_get_bwrap (void);
char ** flatpak_get_current_locale_subpaths (void);
void flatpak_migrate_from_xdg_app (void);
GFile *flatpak_file_new_tmp_in (GFile *dir,
const char *templatename,
GError **error);
gboolean flatpak_break_hardlink (GFile *file, GError **error);
gboolean flatpak_write_update_checksum (GOutputStream *out,
gconstpointer data,
gsize len,
gsize *out_bytes_written,
GChecksum *checksum,
GCancellable *cancellable,
GError **error);
gboolean flatpak_splice_update_checksum (GOutputStream *out,
GInputStream *in,
GChecksum *checksum,
GCancellable *cancellable,
GError **error);
GBytes * flatpak_read_stream (GInputStream *in,
gboolean null_terminate,
GError **error);
gboolean flatpak_variant_save (GFile *dest,
GVariant *variant,
GCancellable *cancellable,
GError **error);
GVariant * flatpak_gvariant_new_empty_string_dict (void);
void flatpak_variant_builder_init_from_variant (GVariantBuilder *builder,
const char *type,
GVariant *variant);
gboolean flatpak_variant_bsearch_str (GVariant *array,
const char *str,
int *out_pos);
GVariant *flatpak_repo_load_summary (OstreeRepo *repo,
GError **error);
char ** flatpak_summary_match_subrefs (GVariant *summary,
const char *ref);
gboolean flatpak_summary_lookup_ref (GVariant *summary,
const char *ref,
char **out_checksum);
gboolean flatpak_has_name_prefix (const char *string,
const char *name);
gboolean flatpak_is_valid_name (const char *string,
GError **error);
gboolean flatpak_is_valid_branch (const char *string,
GError **error);
char **flatpak_decompose_ref (const char *ref,
GError **error);
FlatpakKinds flatpak_kinds_from_bools (gboolean app, gboolean runtime);
gboolean flatpak_split_partial_ref_arg (const char *partial_ref,
FlatpakKinds default_kinds,
const char *default_arch,
const char *default_branch,
FlatpakKinds *out_kinds,
char **out_id,
char **out_arch,
char **out_branch,
GError **error);
gboolean flatpak_split_partial_ref_arg_novalidate (const char *partial_ref,
FlatpakKinds default_kinds,
const char *default_arch,
const char *default_branch,
FlatpakKinds *out_kinds,
char **out_id,
char **out_arch,
char **out_branch);
char * flatpak_compose_ref (gboolean app,
const char *name,
const char *branch,
const char *arch,
GError **error);
char * flatpak_build_untyped_ref (const char *runtime,
const char *branch,
const char *arch);
char * flatpak_build_runtime_ref (const char *runtime,
const char *branch,
const char *arch);
char * flatpak_build_app_ref (const char *app,
const char *branch,
const char *arch);
GFile *flatpak_find_deploy_dir_for_ref (const char *ref,
FlatpakDir **dir_out,
GCancellable *cancellable,
GError **error);
GFile * flatpak_find_files_dir_for_ref (const char *ref,
GCancellable *cancellable,
GError **error);
GFile * flatpak_find_unmaintained_extension_dir_if_exists (const char *name,
const char *arch,
const char *branch,
GCancellable *cancellable);
FlatpakDeploy * flatpak_find_deploy_for_ref (const char *ref,
GCancellable *cancellable,
GError **error);
char ** flatpak_list_deployed_refs (const char *type,
const char *name_prefix,
const char *branch,
const char *arch,
GCancellable *cancellable,
GError **error);
char ** flatpak_list_unmaintained_refs (const char *name_prefix,
const char *branch,
const char *arch,
GCancellable *cancellable,
GError **error);
gboolean flatpak_overlay_symlink_tree (GFile *source,
GFile *destination,
const char *symlink_prefix,
GCancellable *cancellable,
GError **error);
gboolean flatpak_remove_dangling_symlinks (GFile *dir,
GCancellable *cancellable,
GError **error);
void flatpak_invocation_lookup_app_info (GDBusMethodInvocation *invocation,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GKeyFile *flatpak_invocation_lookup_app_info_finish (GDBusMethodInvocation *invocation,
GAsyncResult *result,
GError **error);
void flatpak_connection_track_name_owners (GDBusConnection *connection);
#if !GLIB_CHECK_VERSION (2, 40, 0)
static inline gboolean
g_key_file_save_to_file (GKeyFile *key_file,
const gchar *filename,
GError **error)
{
gchar *contents;
gboolean success;
gsize length;
contents = g_key_file_to_data (key_file, &length, NULL);
success = g_file_set_contents (filename, contents, length, error);
g_free (contents);
return success;
}
#endif
/* Returns the first string in subset that is not in strv */
static inline const gchar *
g_strv_subset (const gchar * const *strv,
const gchar * const *subset)
{
int i;
for (i = 0; subset[i]; i++)
{
const char *key;
key = subset[i];
if (!g_strv_contains (strv, key))
return key;
}
return NULL;
}
static inline void
flatpak_auto_unlock_helper (GMutex **mutex)
{
if (*mutex)
g_mutex_unlock (*mutex);
}
static inline GMutex *
flatpak_auto_lock_helper (GMutex *mutex)
{
if (mutex)
g_mutex_lock (mutex);
return mutex;
}
gint flatpak_mkstempat (int dir_fd,
gchar *tmpl,
int flags,
int mode);
typedef struct FlatpakTablePrinter FlatpakTablePrinter;
FlatpakTablePrinter *flatpak_table_printer_new (void);
void flatpak_table_printer_free (FlatpakTablePrinter *printer);
void flatpak_table_printer_add_column (FlatpakTablePrinter *printer,
const char *text);
void flatpak_table_printer_add_column_len (FlatpakTablePrinter *printer,
const char *text,
gsize len);
void flatpak_table_printer_append_with_comma (FlatpakTablePrinter *printer,
const char *text);
void flatpak_table_printer_finish_row (FlatpakTablePrinter *printer);
void flatpak_table_printer_print (FlatpakTablePrinter *printer);
gboolean flatpak_repo_set_title (OstreeRepo *repo,
const char *title,
GError **error);
gboolean flatpak_repo_set_default_branch (OstreeRepo *repo,
const char *branch,
GError **error);
gboolean flatpak_repo_update (OstreeRepo *repo,
const char **gpg_key_ids,
const char *gpg_homedir,
GCancellable *cancellable,
GError **error);
gboolean flatpak_repo_collect_sizes (OstreeRepo *repo,
GFile *root,
guint64 *installed_size,
guint64 *download_size,
GCancellable *cancellable,
GError **error);
GVariant *flatpak_commit_get_extra_data_sources (GVariant *commitv,
GError **error);
GVariant *flatpak_repo_get_extra_data_sources (OstreeRepo *repo,
const char *rev,
GCancellable *cancellable,
GError **error);
void flatpak_repo_parse_extra_data_sources (GVariant *extra_data_sources,
int index,
const char **name,
guint64 *download_size,
guint64 *installed_size,
const guchar **sha256,
const char **uri);
gboolean flatpak_mtree_create_root (OstreeRepo *repo,
OstreeMutableTree *mtree,
GCancellable *cancellable,
GError **error);
GVariant * flatpak_bundle_load (GFile *file,
char **commit,
char **ref,
char **origin,
char **runtime_repo,
char **app_metadata,
guint64 *installed_size,
GBytes **gpg_keys,
GError **error);
gboolean flatpak_pull_from_bundle (OstreeRepo *repo,
GFile *file,
const char *remote,
const char *ref,
gboolean require_gpg_signature,
GCancellable *cancellable,
GError **error);
typedef void (*FlatpakOciPullProgress) (guint64 total_size, guint64 pulled_size,
guint32 n_layers, guint32 pulled_layers,
gpointer data);
char * flatpak_pull_from_oci (OstreeRepo *repo,
FlatpakOciRegistry *registry,
const char *digest,
FlatpakOciManifest *manifest,
const char *ref,
FlatpakOciPullProgress progress_cb,
gpointer progress_data,
GCancellable *cancellable,
GError **error);
typedef struct
{
char *id;
char *installed_id;
char *ref;
char *directory;
char *files_path;
char *subdir_suffix;
char *add_ld_path;
char **merge_dirs;
int priority;
gboolean needs_tmpfs;
gboolean is_unmaintained;
} FlatpakExtension;
void flatpak_extension_free (FlatpakExtension *extension);
GList *flatpak_list_extensions (GKeyFile *metakey,
const char *arch,
const char *branch);
char * flatpak_quote_argv (const char *argv[]);
gboolean flatpak_spawn (GFile *dir,
char **output,
GError **error,
const gchar *argv0,
va_list args);
gboolean flatpak_spawnv (GFile *dir,
char **output,
GError **error,
const gchar * const *argv);
const char *flatpak_file_get_path_cached (GFile *file);
gboolean flatpak_openat_noatime (int dfd,
const char *name,
int *ret_fd,
GCancellable *cancellable,
GError **error);
gboolean flatpak_copy_bytes (int fdf,
int fdt,
GError **error);
typedef enum {
FLATPAK_CP_FLAGS_NONE = 0,
FLATPAK_CP_FLAGS_MERGE = 1<<0,
FLATPAK_CP_FLAGS_NO_CHOWN = 1<<1,
FLATPAK_CP_FLAGS_MOVE = 1<<2,
} FlatpakCpFlags;
gboolean flatpak_cp_a (GFile *src,
GFile *dest,
FlatpakCpFlags flags,
GCancellable *cancellable,
GError **error);
gboolean flatpak_zero_mtime (int parent_dfd,
const char *rel_path,
GCancellable *cancellable,
GError **error);
gboolean flatpak_mkdir_p (GFile *dir,
GCancellable *cancellable,
GError **error);
gboolean flatpak_rm_rf (GFile *dir,
GCancellable *cancellable,
GError **error);
char * flatpak_readlink (const char *path,
GError **error);
char * flatpak_resolve_link (const char *path,
GError **error);
char * flatpak_canonicalize_filename (const char *path);
gboolean flatpak_file_rename (GFile *from,
GFile *to,
GCancellable *cancellable,
GError **error);
gboolean flatpak_open_in_tmpdir_at (int tmpdir_fd,
int mode,
char *tmpl,
GOutputStream **out_stream,
GCancellable *cancellable,
GError **error);
static inline void
flatpak_temp_dir_destroy (void *p)
{
GFile *dir = p;
if (dir)
{
flatpak_rm_rf (dir, NULL, NULL);
g_object_unref (dir);
}
}
typedef GFile FlatpakTempDir;
G_DEFINE_AUTOPTR_CLEANUP_FUNC (FlatpakTempDir, flatpak_temp_dir_destroy)
typedef OstreeRepo FlatpakRepoTransaction;
static inline void
flatpak_repo_transaction_cleanup (void *p)
{
OstreeRepo *repo = p;
if (repo)
{
g_autoptr(GError) error = NULL;
if (!ostree_repo_abort_transaction (repo, NULL, &error))
g_warning ("Error aborting ostree transaction: %s", error->message);
}
}
static inline FlatpakRepoTransaction *
flatpak_repo_transaction_start (OstreeRepo *repo,
GCancellable *cancellable,
GError **error)
{
if (!ostree_repo_prepare_transaction (repo, NULL, cancellable, error))
return NULL;
return (FlatpakRepoTransaction *)repo;
}
G_DEFINE_AUTOPTR_CLEANUP_FUNC (FlatpakRepoTransaction, flatpak_repo_transaction_cleanup)
#define AUTOLOCK(name) G_GNUC_UNUSED __attribute__((cleanup (flatpak_auto_unlock_helper))) GMutex * G_PASTE (auto_unlock, __LINE__) = flatpak_auto_lock_helper (&G_LOCK_NAME (name))
G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepo, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeMutableTree, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeAsyncProgress, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeGpgVerifyResult, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoCommitModifier, ostree_repo_commit_modifier_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (OstreeRepoDevInoCache, ostree_repo_devino_cache_unref)
#ifndef SOUP_AUTOCLEANUPS_H
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SoupSession, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SoupMessage, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SoupRequest, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SoupRequestHTTP, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SoupURI, soup_uri_free)
#endif
#if !JSON_CHECK_VERSION(1,1,2)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (JsonArray, json_array_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (JsonBuilder, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (JsonGenerator, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (JsonNode, json_node_free)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (JsonObject, json_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (JsonParser, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (JsonPath, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (JsonReader, g_object_unref)
#endif
#if !GLIB_CHECK_VERSION(2, 43, 4)
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GUnixFDList, g_object_unref)
#endif
/* This uses a weird Auto prefix to avoid conflicts with later added autogenerated autoptr support, per:
* https://git.gnome.org/browse/glib/commit/?id=1c6cd5f0a3104aa9b62c7f1d3086181f63e71b59
*/
typedef FlatpakSessionHelper AutoFlatpakSessionHelper;
G_DEFINE_AUTOPTR_CLEANUP_FUNC (AutoFlatpakSessionHelper, g_object_unref)
typedef struct FlatpakXml FlatpakXml;
struct FlatpakXml
{
gchar *element_name; /* NULL == text */
char **attribute_names;
char **attribute_values;
char *text;
FlatpakXml *parent;
FlatpakXml *first_child;
FlatpakXml *last_child;
FlatpakXml *next_sibling;
};
FlatpakXml *flatpak_xml_new (const gchar *element_name);
FlatpakXml *flatpak_xml_new_text (const gchar *text);
void flatpak_xml_add (FlatpakXml *parent,
FlatpakXml *node);
void flatpak_xml_free (FlatpakXml *node);
FlatpakXml *flatpak_xml_parse (GInputStream *in,
gboolean compressed,
GCancellable *cancellable,
GError **error);
void flatpak_xml_to_string (FlatpakXml *node,
GString *res);
FlatpakXml *flatpak_xml_unlink (FlatpakXml *node,
FlatpakXml *prev_sibling);
FlatpakXml *flatpak_xml_find (FlatpakXml *node,
const char *type,
FlatpakXml **prev_child_out);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (FlatpakXml, flatpak_xml_free);
FlatpakXml *flatpak_appstream_xml_new (void);
gboolean flatpak_appstream_xml_migrate (FlatpakXml *source,
FlatpakXml *dest,
const char *ref,
const char *id,
GKeyFile *metadata);
GBytes *flatpak_appstream_xml_root_to_data (FlatpakXml *appstream_root,
GError **error);
gboolean flatpak_repo_generate_appstream (OstreeRepo *repo,
const char **gpg_key_ids,
const char *gpg_homedir,
guint64 timestamp,
GCancellable *cancellable,
GError **error);
gboolean flatpak_allocate_tmpdir (int tmpdir_dfd,
const char *tmpdir_relpath,
const char *tmpdir_prefix,
char **tmpdir_name_out,
int *tmpdir_fd_out,
GLnxLockFile *file_lock_out,
gboolean *reusing_dir_out,
GCancellable *cancellable,
GError **error);
gboolean flatpak_yes_no_prompt (const char *prompt, ...) G_GNUC_PRINTF(1, 2);
long flatpak_number_prompt (int min, int max, const char *prompt, ...) G_GNUC_PRINTF(3, 4);
typedef void (*FlatpakLoadUriProgress) (guint64 downloaded_bytes,
gpointer user_data);
SoupSession * flatpak_create_soup_session (const char *user_agent);
GBytes * flatpak_load_http_uri (SoupSession *soup_session,
const char *uri,
const char *etag,
char **out_etag,
FlatpakLoadUriProgress progress,
gpointer user_data,
GCancellable *cancellable,
GError **error);
gboolean flatpak_download_http_uri (SoupSession *soup_session,
const char *uri,
GOutputStream *out,
FlatpakLoadUriProgress progress,
gpointer user_data,
GCancellable *cancellable,
GError **error);
typedef struct {
char *shell_cur;
char *cur;
char *prev;
char *line;
int point;
char **argv;
char **original_argv;
int argc;
int original_argc;
} FlatpakCompletion;
void flatpak_completion_debug (const gchar *format, ...);
FlatpakCompletion *flatpak_completion_new (const char *arg_line,
const char *arg_point,
const char *arg_cur);
void flatpak_complete_word (FlatpakCompletion *completion,
char *format,
...) G_GNUC_PRINTF(2,3);
void flatpak_complete_ref (FlatpakCompletion *completion,
OstreeRepo *repo);
void flatpak_complete_partial_ref (FlatpakCompletion *completion,
FlatpakKinds kinds,
const char *only_arch,
FlatpakDir *dir,
const char *remote);
void flatpak_complete_file (FlatpakCompletion *completion);
void flatpak_complete_dir (FlatpakCompletion *completion);
void flatpak_complete_options (FlatpakCompletion *completion,
GOptionEntry *entries);
void flatpak_completion_free (FlatpakCompletion *completion);
#endif /* __FLATPAK_UTILS_H__ */
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