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d68ab6b8f0
The name "nm-sudo" reminds of the "sudo" tool, and this is a bit confusing because it's not related. Rename the service to "nm-priv-helper", which stands for "NM privileged helper". https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/938
101 lines
3.8 KiB
C
101 lines
3.8 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "src/core/nm-default-daemon.h"
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#include "nm-priv-helper-call.h"
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#include <gio/gunixfdlist.h>
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#include "nm-dbus-manager.h"
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/*****************************************************************************/
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static void
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_nm_priv_helper_call_get_fd_cb(GObject *source, GAsyncResult *res, gpointer user_data)
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{
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NMPrivHelperCallGetFDCallback callback;
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gpointer callback_data;
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gs_unref_variant GVariant *ret = NULL;
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gs_free_error GError *error = NULL;
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gs_unref_object GUnixFDList *fd_list = NULL;
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gs_free int *fd_arr = NULL;
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nm_utils_user_data_unpack(user_data, &callback, &callback_data);
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ret = g_dbus_connection_call_with_unix_fd_list_finish(G_DBUS_CONNECTION(source),
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&fd_list,
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res,
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&error);
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if (error) {
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callback(-1, error, callback_data);
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return;
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}
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if (!fd_list || g_unix_fd_list_get_length(fd_list) != 1) {
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nm_utils_error_set(&error,
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NM_UTILS_ERROR_UNKNOWN,
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"Unexpectedly not one FD is returned by nm-priv-helper GetFD()");
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callback(-1, error, callback_data);
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return;
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}
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fd_arr = g_unix_fd_list_steal_fds(fd_list, NULL);
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/* we transfer ownership of the file descriptor! */
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callback(fd_arr[0], NULL, callback_data);
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}
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static gboolean
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_nm_priv_helper_call_get_fd_fail_on_idle(gpointer user_data)
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{
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gs_unref_object GCancellable *cancellable = NULL;
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NMPrivHelperCallGetFDCallback callback;
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gpointer callback_data;
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gs_free_error GError *error = NULL;
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nm_utils_user_data_unpack(user_data, &cancellable, &callback, &callback_data);
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if (!g_cancellable_set_error_if_cancelled(cancellable, &error))
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nm_utils_error_set(&error,
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NM_UTILS_ERROR_UNKNOWN,
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"Cannot talk to nm-priv-helper without D-Bus");
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callback(-1, error, callback_data);
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return G_SOURCE_REMOVE;
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}
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void
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nm_priv_helper_call_get_fd(NMPrivHelperGetFDType fd_type,
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GCancellable *cancellable,
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NMPrivHelperCallGetFDCallback callback,
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gpointer user_data)
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{
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GDBusConnection *dbus_connection;
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nm_assert(NM_IN_SET(fd_type, NM_PRIV_HELPER_GET_FD_TYPE_OVSDB_SOCKET));
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nm_assert(!cancellable || G_IS_CANCELLABLE(cancellable));
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nm_assert(callback);
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dbus_connection = NM_MAIN_DBUS_CONNECTION_GET;
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if (!dbus_connection) {
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nm_g_idle_add(_nm_priv_helper_call_get_fd_fail_on_idle,
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nm_utils_user_data_pack(g_object_ref(cancellable), callback, user_data));
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return;
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}
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g_dbus_connection_call_with_unix_fd_list(dbus_connection,
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NM_PRIV_HELPER_DBUS_BUS_NAME,
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NM_PRIV_HELPER_DBUS_OBJECT_PATH,
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NM_PRIV_HELPER_DBUS_IFACE_NAME,
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"GetFD",
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g_variant_new("(u)", fd_type),
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G_VARIANT_TYPE("()"),
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G_DBUS_CALL_FLAGS_NONE,
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10000,
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NULL,
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cancellable,
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_nm_priv_helper_call_get_fd_cb,
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nm_utils_user_data_pack(callback, user_data));
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}
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