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flatpak-builder/lib/xdg-app-run.c

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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 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>
*/
#include "config.h"
#include <string.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <gio/gio.h>
#include "libgsystem.h"
#include "libglnx/libglnx.h"
#include "xdg-app-run.h"
#include "xdg-app-proxy.h"
#include "xdg-app-utils.h"
#include "xdg-app-systemd-dbus.h"
typedef enum {
XDG_APP_CONTEXT_SHARED_NETWORK = 1 << 0,
XDG_APP_CONTEXT_SHARED_IPC = 1 << 1,
} XdgAppContextShares;
typedef enum {
XDG_APP_CONTEXT_SOCKET_X11 = 1 << 0,
XDG_APP_CONTEXT_SOCKET_WAYLAND = 1 << 1,
XDG_APP_CONTEXT_SOCKET_PULSEAUDIO = 1 << 2,
XDG_APP_CONTEXT_SOCKET_SESSION_BUS = 1 << 3,
XDG_APP_CONTEXT_SOCKET_SYSTEM_BUS = 1 << 4,
} XdgAppContextSockets;
typedef enum {
XDG_APP_CONTEXT_DEVICE_DRI = 1 << 0,
} XdgAppContextDevices;
struct XdgAppContext {
XdgAppContextShares shares;
XdgAppContextShares shares_valid;
XdgAppContextSockets sockets;
XdgAppContextSockets sockets_valid;
XdgAppContextDevices devices;
XdgAppContextDevices devices_valid;
GHashTable *env_vars;
GHashTable *persistent;
GHashTable *filesystems;
GHashTable *bus_policy;
};
XdgAppContext *
xdg_app_context_new (void)
{
XdgAppContext *context;
context = g_slice_new (XdgAppContext);
context->env_vars = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
context->persistent = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
context->filesystems = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
context->bus_policy = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
return context;
}
void
xdg_app_context_free (XdgAppContext *context)
{
g_hash_table_destroy (context->env_vars);
g_hash_table_destroy (context->persistent);
g_hash_table_destroy (context->filesystems);
g_hash_table_destroy (context->bus_policy);
g_slice_free (XdgAppContext, context);
}
static XdgAppContextShares
xdg_app_context_share_from_string (const char *string, GError **error)
{
if (strcmp (string, "network") == 0)
return XDG_APP_CONTEXT_SHARED_NETWORK;
if (strcmp (string, "ipc") == 0)
return XDG_APP_CONTEXT_SHARED_IPC;
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Unknown share type %s, valid types are: network, ipc\n", string);
return 0;
}
static char **
xdg_app_context_shared_to_string (XdgAppContextShares shares)
{
GPtrArray *array;
array = g_ptr_array_new ();
if (shares & XDG_APP_CONTEXT_SHARED_NETWORK)
g_ptr_array_add (array, g_strdup ("network"));
if (shares & XDG_APP_CONTEXT_SHARED_IPC)
g_ptr_array_add (array, g_strdup ("ipc"));
g_ptr_array_add (array, NULL);
return (char **)g_ptr_array_free (array, FALSE);
}
static XdgAppPolicy
xdg_app_policy_from_string (const char *string, GError **error)
{
if (strcmp (string, "none") == 0)
return XDG_APP_POLICY_NONE;
if (strcmp (string, "see") == 0)
return XDG_APP_POLICY_SEE;
if (strcmp (string, "talk") == 0)
return XDG_APP_POLICY_TALK;
if (strcmp (string, "own") == 0)
return XDG_APP_POLICY_OWN;
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Unknown socket type %s, valid types are: x11,wayland,pulseaudio,session-bus,system-bus\n", string);
return -1;
}
static const char *
xdg_app_policy_to_string (XdgAppPolicy policy)
{
if (policy == XDG_APP_POLICY_SEE)
return "see";
if (policy == XDG_APP_POLICY_TALK)
return "talk";
if (policy == XDG_APP_POLICY_OWN)
return "own";
return "none";
}
static gboolean
xdg_app_verify_dbus_name (const char *name, GError **error)
{
const char *name_part;
g_autofree char *tmp = NULL;
if (g_str_has_suffix (name, ".*"))
{
tmp = g_strndup (name, strlen (name) - 2);
name_part = tmp;
}
else
name_part = name;
if (g_dbus_is_name (name_part) && !g_dbus_is_unique_name (name_part))
return TRUE;
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED, "Invalid dbus name %s\n", name);
return FALSE;
}
static XdgAppContextSockets
xdg_app_context_socket_from_string (const char *string, GError **error)
{
if (strcmp (string, "x11") == 0)
return XDG_APP_CONTEXT_SOCKET_X11;
if (strcmp (string, "wayland") == 0)
return XDG_APP_CONTEXT_SOCKET_WAYLAND;
if (strcmp (string, "pulseaudio") == 0)
return XDG_APP_CONTEXT_SOCKET_PULSEAUDIO;
if (strcmp (string, "session-bus") == 0)
return XDG_APP_CONTEXT_SOCKET_SESSION_BUS;
if (strcmp (string, "system-bus") == 0)
return XDG_APP_CONTEXT_SOCKET_SYSTEM_BUS;
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Unknown socket type %s, valid types are: x11,wayland,pulseaudio,session-bus,system-bus\n", string);
return 0;
}
static char **
xdg_app_context_sockets_to_string (XdgAppContextSockets sockets)
{
GPtrArray *array;
array = g_ptr_array_new ();
if (sockets & XDG_APP_CONTEXT_SOCKET_X11)
g_ptr_array_add (array, g_strdup ("x11"));
if (sockets & XDG_APP_CONTEXT_SOCKET_WAYLAND)
g_ptr_array_add (array, g_strdup ("wayland"));
if (sockets & XDG_APP_CONTEXT_SOCKET_PULSEAUDIO)
g_ptr_array_add (array, g_strdup ("pulseaudio"));
if (sockets & XDG_APP_CONTEXT_SOCKET_SESSION_BUS)
g_ptr_array_add (array, g_strdup ("session-bus"));
if (sockets & XDG_APP_CONTEXT_SOCKET_SYSTEM_BUS)
g_ptr_array_add (array, g_strdup ("system-bus"));
g_ptr_array_add (array, NULL);
return (char **)g_ptr_array_free (array, FALSE);
}
static XdgAppContextDevices
xdg_app_context_device_from_string (const char *string, GError **error)
{
if (strcmp (string, "dri") == 0)
return XDG_APP_CONTEXT_DEVICE_DRI;
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Unknown device type %s, valid types are: dri\n", string);
return 0;
}
static char **
xdg_app_context_devices_to_string (XdgAppContextDevices devices)
{
GPtrArray *array;
array = g_ptr_array_new ();
if (devices & XDG_APP_CONTEXT_DEVICE_DRI)
g_ptr_array_add (array, g_strdup ("dri"));
g_ptr_array_add (array, NULL);
return (char **)g_ptr_array_free (array, FALSE);
}
static void
xdg_app_context_add_shares (XdgAppContext *context,
XdgAppContextShares shares)
{
context->shares_valid |= shares;
context->shares |= shares;
}
static void
xdg_app_context_remove_shares (XdgAppContext *context,
XdgAppContextShares shares)
{
context->shares_valid |= shares;
context->shares &= ~shares;
}
static void
xdg_app_context_add_sockets (XdgAppContext *context,
XdgAppContextSockets sockets)
{
context->sockets_valid |= sockets;
context->sockets |= sockets;
}
static void
xdg_app_context_remove_sockets (XdgAppContext *context,
XdgAppContextSockets sockets)
{
context->sockets_valid |= sockets;
context->sockets &= ~sockets;
}
static void
xdg_app_context_add_devices (XdgAppContext *context,
XdgAppContextDevices devices)
{
context->devices_valid |= devices;
context->devices |= devices;
}
static void
xdg_app_context_remove_devices (XdgAppContext *context,
XdgAppContextDevices devices)
{
context->devices_valid |= devices;
context->devices &= ~devices;
}
static void
xdg_app_context_set_env_var (XdgAppContext *context,
const char *name,
const char *value)
{
g_hash_table_insert (context->env_vars, g_strdup (name), g_strdup (value));
}
static void
xdg_app_context_set_session_bus_policy (XdgAppContext *context,
const char *name,
XdgAppPolicy policy)
{
g_hash_table_insert (context->bus_policy, g_strdup (name), GINT_TO_POINTER (policy));
}
static void
xdg_app_context_set_persistent (XdgAppContext *context,
const char *path)
{
g_hash_table_insert (context->persistent, g_strdup (path), GINT_TO_POINTER (1));
}
static const char *
get_user_dir_config_key (GUserDirectory dir)
{
switch (dir)
{
case G_USER_DIRECTORY_DESKTOP:
return "XDG_DESKTOP_DIR";
case G_USER_DIRECTORY_DOCUMENTS:
return "XDG_DOCUMENTS_DIR";
case G_USER_DIRECTORY_DOWNLOAD:
return "XDG_DOWNLOAD_DIR";
case G_USER_DIRECTORY_MUSIC:
return "XDG_MUSIC_DIR";
case G_USER_DIRECTORY_PICTURES:
return "XDG_PICTURES_DIR";
case G_USER_DIRECTORY_PUBLIC_SHARE:
return "XDG_PUBLICSHARE_DIR";
case G_USER_DIRECTORY_TEMPLATES:
return "XDG_TEMPLATES_DIR";
case G_USER_DIRECTORY_VIDEOS:
return "XDG_VIDEOS_DIR";
default:
return NULL;
}
}
static int
get_user_dir_from_string (const char *filesystem)
{
if (strcmp (filesystem, "xdg-desktop") == 0)
return G_USER_DIRECTORY_DESKTOP;
if (strcmp (filesystem, "xdg-documents") == 0)
return G_USER_DIRECTORY_DOCUMENTS;
if (strcmp (filesystem, "xdg-download") == 0)
return G_USER_DIRECTORY_DOWNLOAD;
if (strcmp (filesystem, "xdg-music") == 0)
return G_USER_DIRECTORY_MUSIC;
if (strcmp (filesystem, "xdg-pictures") == 0)
return G_USER_DIRECTORY_PICTURES;
if (strcmp (filesystem, "xdg-public-share") == 0)
return G_USER_DIRECTORY_PUBLIC_SHARE;
if (strcmp (filesystem, "xdg-templates") == 0)
return G_USER_DIRECTORY_TEMPLATES;
if (strcmp (filesystem, "xdg-videos") == 0)
return G_USER_DIRECTORY_VIDEOS;
return -1;
}
static gboolean
xdg_app_context_verify_filesystem (const char *filesystem,
GError **error)
{
if (strcmp (filesystem, "host") == 0)
return TRUE;
if (strcmp (filesystem, "home") == 0)
return TRUE;
if (get_user_dir_from_string (filesystem) >= 0)
return TRUE;
if (g_str_has_prefix (filesystem, "~/"))
return TRUE;
if (g_str_has_prefix (filesystem, "/"))
return TRUE;
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Unknown filesystem location %s, valid types are: host,home,xdg-*,~/dir,/dir,\n", filesystem);
return FALSE;
}
static void
xdg_app_context_add_filesystem (XdgAppContext *context,
const char *what)
{
g_hash_table_insert (context->filesystems, g_strdup (what), GINT_TO_POINTER (1));
}
void
xdg_app_context_merge (XdgAppContext *context,
XdgAppContext *other)
{
GHashTableIter iter;
gpointer key, value;
context->shares &= ~other->shares_valid;
context->shares |= other->shares;
context->sockets &= ~other->sockets_valid;
context->sockets |= other->sockets;
context->devices &= ~other->devices_valid;
context->devices |= other->devices;
g_hash_table_iter_init (&iter, other->env_vars);
while (g_hash_table_iter_next (&iter, &key, &value))
g_hash_table_insert (context->env_vars, g_strdup (key), g_strdup (value));
g_hash_table_iter_init (&iter, other->persistent);
while (g_hash_table_iter_next (&iter, &key, &value))
g_hash_table_insert (context->persistent, g_strdup (key), value);
g_hash_table_iter_init (&iter, other->filesystems);
while (g_hash_table_iter_next (&iter, &key, &value))
g_hash_table_insert (context->filesystems, g_strdup (key), value);
g_hash_table_iter_init (&iter, other->bus_policy);
while (g_hash_table_iter_next (&iter, &key, &value))
g_hash_table_insert (context->bus_policy, g_strdup (key), value);
}
static gboolean
option_share_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
XdgAppContextShares share;
share = xdg_app_context_share_from_string (value, error);
if (share == 0)
return FALSE;
xdg_app_context_add_shares (context, share);
return TRUE;
}
static gboolean
option_unshare_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
XdgAppContextShares share;
share = xdg_app_context_share_from_string (value, error);
if (share == 0)
return FALSE;
xdg_app_context_remove_shares (context, share);
return TRUE;
}
static gboolean
option_socket_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
XdgAppContextSockets socket;
socket = xdg_app_context_socket_from_string (value, error);
if (socket == 0)
return FALSE;
xdg_app_context_add_sockets (context, socket);
return TRUE;
}
static gboolean
option_nosocket_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
XdgAppContextSockets socket;
socket = xdg_app_context_socket_from_string (value, error);
if (socket == 0)
return FALSE;
xdg_app_context_remove_sockets (context, socket);
return TRUE;
}
static gboolean
option_device_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
XdgAppContextDevices device;
device = xdg_app_context_device_from_string (value, error);
if (device == 0)
return FALSE;
xdg_app_context_add_devices (context, device);
return TRUE;
}
static gboolean
option_nodevice_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
XdgAppContextDevices device;
device = xdg_app_context_device_from_string (value, error);
if (device == 0)
return FALSE;
xdg_app_context_remove_devices (context, device);
return TRUE;
}
static gboolean
option_filesystem_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
if (!xdg_app_context_verify_filesystem (value, error))
return FALSE;
xdg_app_context_add_filesystem (context, value);
return TRUE;
}
static gboolean
option_env_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
glnx_strfreev char **split = g_strsplit (value, "=", 2);
if (split == NULL || split[0] == NULL || split[0][0] == 0 || split[1] == NULL)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED, "Invalid env format %s", value);
return FALSE;
}
xdg_app_context_set_env_var (context, split[0], split[1]);
return TRUE;
}
static gboolean
option_own_name_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
if (!xdg_app_verify_dbus_name (value, error))
return FALSE;
xdg_app_context_set_session_bus_policy (context, value, XDG_APP_POLICY_OWN);
return TRUE;
}
static gboolean
option_talk_name_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
if (!xdg_app_verify_dbus_name (value, error))
return FALSE;
xdg_app_context_set_session_bus_policy (context, value, XDG_APP_POLICY_TALK);
return TRUE;
}
static gboolean
option_persist_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
XdgAppContext *context = data;
xdg_app_context_set_persistent (context, value);
return TRUE;
}
static GOptionEntry context_options[] = {
{ "share", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_share_cb, "Share with host", "SHARE" },
{ "unshare", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_unshare_cb, "Unshare with host", "SHARE" },
{ "socket", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_socket_cb, "Expose socket to app", "SOCKET" },
{ "nosocket", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_nosocket_cb, "Don't expose socket to app", "SOCKET" },
{ "device", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_device_cb, "Expose device to app", "DEVICE" },
{ "nodevice", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_nodevice_cb, "Don't expose device to app", "DEVICE" },
{ "filesystem", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_filesystem_cb, "Expose filesystem to app", "FILESYSTEM" },
{ "env", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_env_cb, "Set environment variable", "VAR=VALUE" },
{ "own-name", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_own_name_cb, "Allow app to own name on the session bus", "DBUS_NAME" },
{ "talk-name", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_talk_name_cb, "Allow app to talk to name on the session bus", "DBUS_NAME" },
{ "persist", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK, &option_persist_cb, "Persist home directory directory", "FILENAME" },
{ NULL }
};
GOptionGroup *
xdg_app_context_get_options (XdgAppContext *context)
{
GOptionGroup *group;
group = g_option_group_new ("environment",
"Runtime Environment",
"Runtime Environment",
context,
NULL);
g_option_group_add_entries (group, context_options);
return group;
}
/* This is a merge, not a replace */
gboolean
xdg_app_context_load_metadata (XdgAppContext *context,
GKeyFile *metakey,
GError **error)
{
int i;
if (g_key_file_has_key (metakey, XDG_APP_METADATA_GROUP_CONTEXT, XDG_APP_METADATA_KEY_SHARED, NULL))
{
glnx_strfreev char **shares = g_key_file_get_string_list (metakey, XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_SHARED, NULL, error);
if (shares == NULL)
return FALSE;
for (i = 0; shares[i] != NULL; i++)
{
XdgAppContextShares share = xdg_app_context_share_from_string (shares[i], error);
if (share == 0)
return FALSE;
xdg_app_context_add_shares (context, share);
}
}
if (g_key_file_has_key (metakey, XDG_APP_METADATA_GROUP_CONTEXT, XDG_APP_METADATA_KEY_SOCKETS, NULL))
{
glnx_strfreev char **sockets = g_key_file_get_string_list (metakey, XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_SOCKETS, NULL, error);
if (sockets == NULL)
return FALSE;
for (i = 0; sockets[i] != NULL; i++)
{
XdgAppContextSockets socket = xdg_app_context_socket_from_string (sockets[i], error);
if (socket == 0)
return FALSE;
xdg_app_context_add_sockets (context, socket);
}
}
if (g_key_file_has_key (metakey, XDG_APP_METADATA_GROUP_CONTEXT, XDG_APP_METADATA_KEY_DEVICES, NULL))
{
glnx_strfreev char **devices = g_key_file_get_string_list (metakey, XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_DEVICES, NULL, error);
if (devices == NULL)
return FALSE;
for (i = 0; devices[i] != NULL; i++)
{
XdgAppContextDevices device = xdg_app_context_device_from_string (devices[i], error);
if (device == 0)
return FALSE;
xdg_app_context_add_devices (context, device);
}
}
if (g_key_file_has_key (metakey, XDG_APP_METADATA_GROUP_CONTEXT, XDG_APP_METADATA_KEY_FILESYSTEMS, NULL))
{
glnx_strfreev char **filesystems = g_key_file_get_string_list (metakey, XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_FILESYSTEMS, NULL, error);
if (filesystems == NULL)
return FALSE;
for (i = 0; filesystems[i] != NULL; i++)
{
if (!xdg_app_context_verify_filesystem (filesystems[i], error))
return FALSE;
xdg_app_context_add_filesystem (context, filesystems[i]);
}
}
if (g_key_file_has_key (metakey, XDG_APP_METADATA_GROUP_CONTEXT, XDG_APP_METADATA_KEY_PERSISTENT, NULL))
{
glnx_strfreev char **persistent = g_key_file_get_string_list (metakey, XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_PERSISTENT, NULL, error);
if (persistent == NULL)
return FALSE;
for (i = 0; persistent[i] != NULL; i++)
xdg_app_context_set_persistent (context, persistent[i]);
}
if (g_key_file_has_group (metakey, XDG_APP_METADATA_GROUP_SESSION_BUS_POLICY))
{
glnx_strfreev char **keys = NULL;
gsize i, keys_count;
keys = g_key_file_get_keys (metakey, XDG_APP_METADATA_GROUP_SESSION_BUS_POLICY, &keys_count, NULL);
for (i = 0; i < keys_count; i++)
{
const char *key = keys[i];
g_autofree char *value = g_key_file_get_string (metakey, XDG_APP_METADATA_GROUP_SESSION_BUS_POLICY, key, NULL);
XdgAppPolicy policy;
if (!xdg_app_verify_dbus_name (key, error))
return FALSE;
policy = xdg_app_policy_from_string (value, error);
if (policy == -1)
return FALSE;
xdg_app_context_set_session_bus_policy (context, key, policy);
}
}
if (g_key_file_has_group (metakey, XDG_APP_METADATA_GROUP_ENVIRONMENT))
{
glnx_strfreev char **keys = NULL;
gsize i, keys_count;
keys = g_key_file_get_keys (metakey, XDG_APP_METADATA_GROUP_ENVIRONMENT, &keys_count, NULL);
for (i = 0; i < keys_count; i++)
{
const char *key = keys[i];
g_autofree char *value = g_key_file_get_string (metakey, XDG_APP_METADATA_GROUP_ENVIRONMENT, key, NULL);
xdg_app_context_set_env_var (context, key, value);
}
}
return TRUE;
}
void
xdg_app_context_save_metadata (XdgAppContext *context,
GKeyFile *metakey)
{
glnx_strfreev char **shared = xdg_app_context_shared_to_string (context->shares);
glnx_strfreev char **sockets = xdg_app_context_sockets_to_string (context->sockets);
glnx_strfreev char **devices = xdg_app_context_devices_to_string (context->devices);
GHashTableIter iter;
gpointer key, value;
if (shared[0] != NULL)
g_key_file_set_string_list (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_SHARED,
(const char * const*)shared, g_strv_length (shared));
else
g_key_file_remove_key (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_SHARED,
NULL);
if (sockets[0] != NULL)
g_key_file_set_string_list (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_SOCKETS,
(const char * const*)sockets, g_strv_length (sockets));
else
g_key_file_remove_key (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_SOCKETS,
NULL);
if (devices[0] != NULL)
g_key_file_set_string_list (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_DEVICES,
(const char * const*)devices, g_strv_length (devices));
else
g_key_file_remove_key (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_DEVICES,
NULL);
if (g_hash_table_size (context->filesystems) > 0)
{
g_autofree char **keys = (char **)g_hash_table_get_keys_as_array (context->filesystems, NULL);
g_key_file_set_string_list (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_FILESYSTEMS,
(const char * const*)keys, g_strv_length (keys));
}
else
g_key_file_remove_key (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_FILESYSTEMS,
NULL);
if (g_hash_table_size (context->persistent) > 0)
{
g_autofree char **keys = (char **)g_hash_table_get_keys_as_array (context->persistent, NULL);
g_key_file_set_string_list (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_PERSISTENT,
(const char * const*)keys, g_strv_length (keys));
}
else
g_key_file_remove_key (metakey,
XDG_APP_METADATA_GROUP_CONTEXT,
XDG_APP_METADATA_KEY_PERSISTENT,
NULL);
g_key_file_remove_group (metakey, XDG_APP_METADATA_GROUP_SESSION_BUS_POLICY, NULL);
g_hash_table_iter_init (&iter, context->bus_policy);
while (g_hash_table_iter_next (&iter, &key, &value))
{
XdgAppPolicy policy = GPOINTER_TO_INT (value);
if (policy > 0)
g_key_file_set_string (metakey,
XDG_APP_METADATA_GROUP_SESSION_BUS_POLICY,
(char *)key, xdg_app_policy_to_string (policy));
}
g_key_file_remove_group (metakey, XDG_APP_METADATA_GROUP_ENVIRONMENT, NULL);
g_hash_table_iter_init (&iter, context->env_vars);
while (g_hash_table_iter_next (&iter, &key, &value))
{
g_key_file_set_string (metakey,
XDG_APP_METADATA_GROUP_ENVIRONMENT,
(char *)key, (char *)value);
}
}
gboolean
xdg_app_run_verify_environment_keys (const char **keys,
GError **error)
{
const char *key;
const char *environment_keys[] = {
"x11", "wayland", "ipc", "pulseaudio", "system-dbus", "session-dbus",
"network", "host-fs", "homedir", "dri", NULL
};
if (keys == NULL)
return TRUE;
if ((key = g_strv_subset (environment_keys, keys)) != NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Unknown Environment key %s", key);
return FALSE;
}
return TRUE;
}
void
xdg_app_context_allow_host_fs (XdgAppContext *context)
{
xdg_app_context_add_filesystem (context, "host");
}
static char *
extract_unix_path_from_dbus_address (const char *address)
{
const char *path, *path_end;
if (address == NULL)
return NULL;
if (!g_str_has_prefix (address, "unix:"))
return NULL;
path = strstr (address, "path=");
if (path == NULL)
return NULL;
path += strlen ("path=");
path_end = path;
while (*path_end != 0 && *path_end != ',')
path_end++;
return g_strndup (path, path_end - path);
}
static void
xdg_app_run_add_x11_args (GPtrArray *argv_array)
{
char *x11_socket = NULL;
const char *display = g_getenv ("DISPLAY");
if (display && display[0] == ':' && g_ascii_isdigit (display[1]))
{
const char *display_nr = &display[1];
const char *display_nr_end = display_nr;
g_autofree char *d = NULL;
while (g_ascii_isdigit (*display_nr_end))
display_nr_end++;
d = g_strndup (display_nr, display_nr_end - display_nr);
x11_socket = g_strdup_printf ("/tmp/.X11-unix/X%s", d);
g_ptr_array_add (argv_array, g_strdup ("-x"));
g_ptr_array_add (argv_array, x11_socket);
}
}
static void
xdg_app_run_add_wayland_args (GPtrArray *argv_array)
{
char *wayland_socket = g_build_filename (g_get_user_runtime_dir (), "wayland-0", NULL);
if (g_file_test (wayland_socket, G_FILE_TEST_EXISTS))
{
g_ptr_array_add (argv_array, g_strdup ("-y"));
g_ptr_array_add (argv_array, wayland_socket);
}
else
g_free (wayland_socket);
}
static void
xdg_app_run_add_pulseaudio_args (GPtrArray *argv_array)
{
char *pulseaudio_socket = g_build_filename (g_get_user_runtime_dir (), "pulse/native", NULL);
if (g_file_test (pulseaudio_socket, G_FILE_TEST_EXISTS))
{
g_ptr_array_add (argv_array, g_strdup ("-p"));
g_ptr_array_add (argv_array, pulseaudio_socket);
}
}
static char *
create_proxy_socket (char *template)
{
g_autofree char *dir = g_build_filename (g_get_user_runtime_dir (), "bus-proxy", NULL);
g_autofree char *proxy_socket = g_build_filename (dir, template, NULL);
int fd;
if (mkdir (dir, 0700) == -1 && errno != EEXIST)
return NULL;
fd = g_mkstemp (proxy_socket);
if (fd == -1)
return NULL;
close (fd);
return g_steal_pointer (&proxy_socket);
}
void
xdg_app_run_add_system_dbus_args (GPtrArray *argv_array,
GPtrArray *dbus_proxy_argv)
{
const char *dbus_address = g_getenv ("DBUS_SYSTEM_BUS_ADDRESS");
char *dbus_system_socket = NULL;
if (dbus_address != NULL)
dbus_system_socket = extract_unix_path_from_dbus_address (dbus_address);
else if (g_file_test ("/var/run/dbus/system_bus_socket", G_FILE_TEST_EXISTS))
dbus_system_socket = g_strdup ("/var/run/dbus/system_bus_socket");
if (dbus_system_socket != NULL)
{
g_ptr_array_add (argv_array, g_strdup ("-D"));
g_ptr_array_add (argv_array, dbus_system_socket);
}
else if (dbus_proxy_argv && dbus_address != NULL)
{
g_autofree char *proxy_socket = create_proxy_socket ("system-bus-proxy-XXXXXX");
if (proxy_socket == NULL)
return;
g_ptr_array_add (dbus_proxy_argv, g_strdup (dbus_address));
g_ptr_array_add (dbus_proxy_argv, g_strdup (proxy_socket));
g_ptr_array_add (argv_array, g_strdup ("-D"));
g_ptr_array_add (argv_array, g_strdup (proxy_socket));
}
}
gboolean
xdg_app_run_add_session_dbus_args (GPtrArray *argv_array,
GPtrArray *dbus_proxy_argv,
gboolean unrestricted)
{
const char *dbus_address = g_getenv ("DBUS_SESSION_BUS_ADDRESS");
char *dbus_session_socket = NULL;
if (dbus_address == NULL)
return FALSE;
dbus_session_socket = extract_unix_path_from_dbus_address (dbus_address);
if (dbus_session_socket != NULL && unrestricted)
{
g_ptr_array_add (argv_array, g_strdup ("-d"));
g_ptr_array_add (argv_array, dbus_session_socket);
return TRUE;
}
else if (dbus_proxy_argv && dbus_address != NULL)
{
g_autofree char *proxy_socket = create_proxy_socket ("session-bus-proxy-XXXXXX");
if (proxy_socket == NULL)
return FALSE;
g_ptr_array_add (dbus_proxy_argv, g_strdup (dbus_address));
g_ptr_array_add (dbus_proxy_argv, g_strdup (proxy_socket));
g_ptr_array_add (argv_array, g_strdup ("-d"));
g_ptr_array_add (argv_array, g_strdup (proxy_socket));
return TRUE;
}
return FALSE;
}
static void
xdg_app_add_bus_filters (GPtrArray *dbus_proxy_argv,
const char *app_id,
XdgAppContext *context)
{
GHashTableIter iter;
gpointer key, value;
g_ptr_array_add (dbus_proxy_argv, g_strdup ("--filter"));
g_ptr_array_add (dbus_proxy_argv, g_strdup_printf ("--own=%s", app_id));
g_ptr_array_add (dbus_proxy_argv, g_strdup_printf ("--own=%s.*", app_id));
g_hash_table_iter_init (&iter, context->bus_policy);
while (g_hash_table_iter_next (&iter, &key, &value))
{
XdgAppPolicy policy = GPOINTER_TO_INT (value);
if (policy > 0)
g_ptr_array_add (dbus_proxy_argv, g_strdup_printf ("--%s=%s", xdg_app_policy_to_string (policy), (char *)key));
}
}
void
xdg_app_run_add_environment_args (GPtrArray *argv_array,
GPtrArray *dbus_proxy_argv,
const char *app_id,
XdgAppContext *context,
GFile *app_id_dir)
{
GHashTableIter iter;
gpointer key;
gboolean unrestricted_session_bus;
gboolean home_access = FALSE;
GString *xdg_dirs_conf = NULL;
char opts[16];
int i;
i = 0;
opts[i++] = '-';
if (context->shares & XDG_APP_CONTEXT_SHARED_IPC)
{
g_debug ("Allowing ipc access");
opts[i++] = 'i';
}
if (context->shares & XDG_APP_CONTEXT_SHARED_NETWORK)
{
g_debug ("Allowing network access");
opts[i++] = 'n';
}
if (context->devices & XDG_APP_CONTEXT_DEVICE_DRI)
{
g_debug ("Allowing dri access");
opts[i++] = 'g';
}
if (g_hash_table_lookup (context->filesystems, "host"))
{
g_debug ("Allowing host-fs access");
opts[i++] = 'f';
home_access = TRUE;
}
else if (g_hash_table_lookup (context->filesystems, "home"))
{
g_debug ("Allowing homedir access");
opts[i++] = 'H';
home_access = TRUE;
}
else
{
/* Enable persistant mapping only if no access to real home dir */
g_hash_table_iter_init (&iter, context->persistent);
while (g_hash_table_iter_next (&iter, &key, NULL))
{
const char *persist = key;
g_autofree char *src = g_build_filename (g_get_home_dir (), ".var/app", app_id, persist, NULL);
g_autofree char *dest = g_build_filename (g_get_home_dir (), persist, NULL);
g_mkdir_with_parents (src, 0755);
g_ptr_array_add (argv_array, g_strdup ("-B"));
g_ptr_array_add (argv_array, g_strdup_printf ("%s=%s", dest, src));
}
}
g_hash_table_iter_init (&iter, context->filesystems);
while (g_hash_table_iter_next (&iter, &key, NULL))
{
const char *filesystem = key;
if (strcmp (filesystem, "host") == 0 ||
strcmp (filesystem, "home") == 0)
continue;
if (g_str_has_prefix (filesystem, "xdg-"))
{
const char *path;
int dir = get_user_dir_from_string (filesystem);
if (home_access)
continue;
if (dir < 0)
{
g_warning ("Unsupported xdg dir %s\n", filesystem);
continue;
}
path = g_get_user_special_dir (dir);
if (strcmp (path, g_get_home_dir ()) == 0)
{
/* xdg-user-dirs sets disabled dirs to $HOME, and its in general not a good
idea to set full access to $HOME other than explicitly, so we ignore
these */
g_debug ("Xdg dir %s is $HOME (i.e. disabled), ignoring\n", filesystem);
continue;
}
if (g_file_test (path, G_FILE_TEST_EXISTS))
{
if (xdg_dirs_conf == NULL)
xdg_dirs_conf = g_string_new ("");
g_string_append_printf (xdg_dirs_conf, "%s=\"%s\"\n", get_user_dir_config_key (dir), path);
g_ptr_array_add (argv_array, g_strdup ("-B"));
g_ptr_array_add (argv_array, g_strdup_printf ("%s", path));
}
}
else if (g_str_has_prefix (filesystem, "~/"))
{
g_autofree char *path = NULL;
if (home_access)
continue;
path = g_build_filename (g_get_home_dir(), filesystem+2, NULL);
if (g_file_test (filesystem, G_FILE_TEST_EXISTS))
{
g_ptr_array_add (argv_array, g_strdup ("-B"));
g_ptr_array_add (argv_array, g_strdup (path));
}
}
else if (g_str_has_prefix (filesystem, "/"))
{
if (g_file_test (filesystem, G_FILE_TEST_EXISTS))
{
g_ptr_array_add (argv_array, g_strdup ("-B"));
g_ptr_array_add (argv_array, g_strdup_printf ("%s", filesystem));
}
}
else
g_warning ("Unexpected filesystem arg %s\n", filesystem);
}
if (xdg_dirs_conf != NULL && app_id_dir != NULL)
{
g_autofree char *tmp_path = NULL;
g_autofree char *path = NULL;
int fd;
fd = g_file_open_tmp ("xdg-app-user-dir-XXXXXX.dirs", &tmp_path, NULL);
if (fd >= 0)
{
close (fd);
if (g_file_set_contents (tmp_path, xdg_dirs_conf->str, xdg_dirs_conf->len, NULL))
{
path = g_build_filename (gs_file_get_path_cached (app_id_dir),
"config/user-dirs.dirs", NULL);
g_ptr_array_add (argv_array, g_strdup ("-M"));
g_ptr_array_add (argv_array, g_strdup_printf ("%s=%s", path, tmp_path));
}
}
g_string_free (xdg_dirs_conf, TRUE);
}
if (context->sockets & XDG_APP_CONTEXT_SOCKET_X11)
{
g_debug ("Allowing x11 access");
xdg_app_run_add_x11_args (argv_array);
}
if (context->sockets & XDG_APP_CONTEXT_SOCKET_WAYLAND)
{
g_debug ("Allowing wayland access");
xdg_app_run_add_wayland_args (argv_array);
}
if (context->sockets & XDG_APP_CONTEXT_SOCKET_PULSEAUDIO)
{
g_debug ("Allowing pulseaudio access");
xdg_app_run_add_pulseaudio_args (argv_array);
}
unrestricted_session_bus = (context->sockets & XDG_APP_CONTEXT_SOCKET_SESSION_BUS) != 0;
if (unrestricted_session_bus)
g_debug ("Allowing session-dbus access");
if (xdg_app_run_add_session_dbus_args (argv_array, dbus_proxy_argv, unrestricted_session_bus) &&
!unrestricted_session_bus && dbus_proxy_argv)
{
xdg_app_add_bus_filters (dbus_proxy_argv, app_id, context);
}
if (context->sockets & XDG_APP_CONTEXT_SOCKET_SYSTEM_BUS)
{
g_debug ("Allowing system-dbus access");
xdg_app_run_add_system_dbus_args (argv_array, dbus_proxy_argv);
}
g_assert (sizeof(opts) > i);
if (i > 1)
{
opts[i++] = 0;
g_ptr_array_add (argv_array, g_strdup (opts));
}
}
static const struct {const char *env; const char *val;} default_exports[] = {
{"PATH","/app/bin:/usr/bin"},
{"LD_LIBRARY_PATH", ""},
{"_LD_LIBRARY_PATH", "/app/lib"},
{"XDG_CONFIG_DIRS","/app/etc/xdg:/etc/xdg"},
{"XDG_DATA_DIRS","/app/share:/usr/share"},
{"SHELL","/bin/sh"},
};
static const struct {const char *env; const char *val;} devel_exports[] = {
{"ACLOCAL_PATH","/app/share/aclocal"},
{"C_INCLUDE_PATH","/app/include"},
{"CPLUS_INCLUDE_PATH","/app/include"},
{"LDFLAGS","-L/app/lib "},
{"PKG_CONFIG_PATH","/app/lib/pkgconfig:/app/share/pkgconfig:/usr/lib/pkgconfig:/usr/share/pkgconfig"},
{"LC_ALL","en_US.utf8"},
};
char **
xdg_app_run_get_minimal_env (gboolean devel)
{
GPtrArray *env_array;
static const char const *copy[] = {
"GDMSESSION",
"XDG_CURRENT_DESKTOP",
"XDG_SESSION_DESKTOP",
"DESKTOP_SESSION",
"EMAIL_ADDRESS",
"HOME",
"HOSTNAME",
"LOGNAME",
"REAL_NAME",
"TERM",
"USER",
"USERNAME",
};
static const char const *copy_nodevel[] = {
"LANG",
"LANGUAGE",
"LC_ALL",
"LC_ADDRESS",
"LC_COLLATE",
"LC_CTYPE",
"LC_IDENTIFICATION",
"LC_MEASUREMENT",
"LC_MESSAGES",
"LC_MONETARY",
"LC_NAME",
"LC_NUMERIC",
"LC_PAPER",
"LC_TELEPHONE",
"LC_TIME",
};
int i;
env_array = g_ptr_array_new_with_free_func (g_free);
for (i = 0; i < G_N_ELEMENTS(default_exports); i++)
g_ptr_array_add (env_array, g_strdup_printf ("%s=%s", default_exports[i].env, default_exports[i].val));
if (devel)
{
for (i = 0; i < G_N_ELEMENTS(devel_exports); i++)
g_ptr_array_add (env_array, g_strdup_printf ("%s=%s", devel_exports[i].env, devel_exports[i].val));
}
for (i = 0; i < G_N_ELEMENTS(copy); i++)
{
const char *current = g_getenv(copy[i]);
if (current)
g_ptr_array_add (env_array, g_strdup_printf ("%s=%s", copy[i], current));
}
if (!devel)
{
for (i = 0; i < G_N_ELEMENTS(copy_nodevel); i++)
{
const char *current = g_getenv(copy_nodevel[i]);
if (current)
g_ptr_array_add (env_array, g_strdup_printf ("%s=%s", copy_nodevel[i], current));
}
}
g_ptr_array_add (env_array, NULL);
return (char **)g_ptr_array_free (env_array, FALSE);
}
char **
xdg_app_run_apply_env_default (char **envp)
{
int i;
for (i = 0; i < G_N_ELEMENTS(default_exports); i++)
envp = g_environ_setenv (envp, default_exports[i].env, default_exports[i].val, TRUE);
return envp;
}
char **
xdg_app_run_apply_env_appid (char **envp,
GFile *app_dir)
{
g_autoptr(GFile) app_dir_data = NULL;
g_autoptr(GFile) app_dir_config = NULL;
g_autoptr(GFile) app_dir_cache = NULL;
app_dir_data = g_file_get_child (app_dir, "data");
app_dir_config = g_file_get_child (app_dir, "config");
app_dir_cache = g_file_get_child (app_dir, "cache");
envp = g_environ_setenv (envp, "XDG_DATA_HOME", gs_file_get_path_cached (app_dir_data), TRUE);
envp = g_environ_setenv (envp, "XDG_CONFIG_HOME", gs_file_get_path_cached (app_dir_config), TRUE);
envp = g_environ_setenv (envp, "XDG_CACHE_HOME", gs_file_get_path_cached (app_dir_cache), TRUE);
return envp;
}
char **
xdg_app_run_apply_env_vars (char **envp, XdgAppContext *context)
{
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init (&iter, context->env_vars);
while (g_hash_table_iter_next (&iter, &key, &value))
{
const char *var = key;
const char *val = value;
/* We special case LD_LIBRARY_PATH to avoid passing it top
the helper */
if (strcmp (var, "LD_LIBRARY_PATH") == 0)
var = "_LD_LIBRARY_PATH";
if (val && val[0] != 0)
envp = g_environ_setenv (envp, var, val, TRUE);
else
envp = g_environ_unsetenv (envp, var);
}
return envp;
}
GFile *
xdg_app_get_data_dir (const char *app_id)
{
g_autoptr(GFile) home = g_file_new_for_path (g_get_home_dir ());
g_autoptr(GFile) var_app = g_file_resolve_relative_path (home, ".var/app");
return g_file_get_child (var_app, app_id);
}
GFile *
xdg_app_ensure_data_dir (const char *app_id,
GCancellable *cancellable,
GError **error)
{
g_autoptr(GFile) dir = xdg_app_get_data_dir (app_id);
g_autoptr(GFile) data_dir = g_file_get_child (dir, "data");
g_autoptr(GFile) cache_dir = g_file_get_child (dir, "cache");
g_autoptr(GFile) config_dir = g_file_get_child (dir, "config");
if (!gs_file_ensure_directory (data_dir, TRUE, cancellable, error))
return NULL;
if (!gs_file_ensure_directory (cache_dir, TRUE, cancellable, error))
return NULL;
if (!gs_file_ensure_directory (config_dir, TRUE, cancellable, error))
return NULL;
return g_object_ref (dir);
}
struct JobData {
char *job;
GMainLoop *main_loop;
};
static void
job_removed_cb (SystemdManager *manager,
guint32 id,
char *job,
char *unit,
char *result,
struct JobData *data)
{
if (strcmp (job, data->job) == 0)
g_main_loop_quit (data->main_loop);
}
void
xdg_app_run_in_transient_unit (const char *appid)
{
GDBusConnection *conn = NULL;
GError *error = NULL;
char *path = NULL;
char *address = NULL;
char *name = NULL;
char *job = NULL;
SystemdManager *manager = NULL;
GVariantBuilder builder;
GVariant *properties = NULL;
GVariant *aux = NULL;
guint32 pid;
GMainContext *main_context = NULL;
GMainLoop *main_loop = NULL;
struct JobData data;
path = g_strdup_printf ("/run/user/%d/systemd/private", getuid());
if (!g_file_test (path, G_FILE_TEST_EXISTS))
goto out;
main_context = g_main_context_new ();
main_loop = g_main_loop_new (main_context, FALSE);
g_main_context_push_thread_default (main_context);
address = g_strconcat ("unix:path=", path, NULL);
conn = g_dbus_connection_new_for_address_sync (address,
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
NULL,
NULL, &error);
if (!conn)
{
g_warning ("Can't connect to systemd: %s\n", error->message);
goto out;
}
manager = systemd_manager_proxy_new_sync (conn,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
NULL,
"/org/freedesktop/systemd1",
NULL, &error);
if (!manager)
{
g_warning ("Can't create manager proxy: %s\n", error->message);
goto out;
}
name = g_strdup_printf ("xdg-app-%s-%d.scope", appid, getpid());
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(sv)"));
pid = getpid ();
g_variant_builder_add (&builder, "(sv)",
"PIDs",
g_variant_new_fixed_array (G_VARIANT_TYPE ("u"),
&pid, 1, sizeof (guint32))
);
properties = g_variant_builder_end (&builder);
aux = g_variant_new_array (G_VARIANT_TYPE ("(sa(sv))"), NULL, 0);
if (!systemd_manager_call_start_transient_unit_sync (manager,
name,
"fail",
properties,
aux,
&job,
NULL,
&error))
{
g_warning ("Can't start transient unit: %s\n", error->message);
goto out;
}
data.job = job;
data.main_loop = main_loop;
g_signal_connect (manager,"job-removed", G_CALLBACK (job_removed_cb), &data);
g_main_loop_run (main_loop);
out:
if (main_context)
{
g_main_context_pop_thread_default (main_context);
g_main_context_unref (main_context);
}
if (main_loop)
g_main_loop_unref (main_loop);
if (error)
g_error_free (error);
if (manager)
g_object_unref (manager);
if (conn)
g_object_unref (conn);
g_free (path);
g_free (address);
g_free (job);
g_free (name);
}
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