1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2011 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/types.h>
27 #include "dbus-common.h"
30 /* This mimics dbus_bus_get_unix_user() */
31 static pid_t get_unix_process_id(
32 DBusConnection *connection,
36 DBusMessage *m = NULL, *reply = NULL;
39 m = dbus_message_new_method_call(
43 "GetConnectionUnixProcessID");
45 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
49 if (!dbus_message_append_args(
51 DBUS_TYPE_STRING, &name,
53 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
57 reply = dbus_connection_send_with_reply_and_block(connection, m, -1, error);
61 if (dbus_set_error_from_message(error, reply))
64 if (!dbus_message_get_args(
66 DBUS_TYPE_UINT32, &pid,
72 dbus_message_unref(m);
75 dbus_message_unref(reply);
88 DBusMessage *m = NULL, *reply = NULL;
89 const char *unix_process = "unix-process", *pid = "pid", *starttime = "start-time", *cancel_id = "";
91 uint32_t flags = interactive ? 1 : 0;
94 unsigned long long starttime_raw;
95 uint64_t starttime_u64;
96 DBusMessageIter iter_msg, iter_struct, iter_array, iter_dict, iter_variant;
98 dbus_bool_t authorized = FALSE, challenge = FALSE;
103 sender = dbus_message_get_sender(request);
107 pid_raw = get_unix_process_id(c, sender, error);
111 r = get_starttime_of_pid(pid_raw, &starttime_raw);
115 m = dbus_message_new_method_call(
116 "org.freedesktop.PolicyKit1",
117 "/org/freedesktop/PolicyKit1/Authority",
118 "org.freedesktop.PolicyKit1.Authority",
119 "CheckAuthorization");
123 dbus_message_iter_init_append(m, &iter_msg);
125 pid_u32 = (uint32_t) pid_raw;
126 starttime_u64 = (uint64_t) starttime_raw;
128 if (!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_STRUCT, NULL, &iter_struct) ||
129 !dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &unix_process) ||
130 !dbus_message_iter_open_container(&iter_struct, DBUS_TYPE_ARRAY, "{sv}", &iter_array) ||
131 !dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
132 !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &pid) ||
133 !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "u", &iter_variant) ||
134 !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT32, &pid_u32) ||
135 !dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
136 !dbus_message_iter_close_container(&iter_array, &iter_dict) ||
137 !dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
138 !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &starttime) ||
139 !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "t", &iter_variant) ||
140 !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT64, &starttime_u64) ||
141 !dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
142 !dbus_message_iter_close_container(&iter_array, &iter_dict) ||
143 !dbus_message_iter_close_container(&iter_struct, &iter_array) ||
144 !dbus_message_iter_close_container(&iter_msg, &iter_struct) ||
145 !dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &action) ||
146 !dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_ARRAY, "{ss}", &iter_array) ||
147 !dbus_message_iter_close_container(&iter_msg, &iter_array) ||
148 !dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_UINT32, &flags) ||
149 !dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &cancel_id)) {
154 reply = dbus_connection_send_with_reply_and_block(c, m, -1, error);
160 if (dbus_set_error_from_message(error, reply)) {
165 if (!dbus_message_iter_init(reply, &iter_msg) ||
166 dbus_message_iter_get_arg_type(&iter_msg) != DBUS_TYPE_STRUCT) {
171 dbus_message_iter_recurse(&iter_msg, &iter_struct);
173 if (dbus_message_iter_get_arg_type(&iter_struct) != DBUS_TYPE_BOOLEAN) {
178 dbus_message_iter_get_basic(&iter_struct, &authorized);
180 if (!dbus_message_iter_next(&iter_struct) ||
181 dbus_message_iter_get_arg_type(&iter_struct) != DBUS_TYPE_BOOLEAN) {
186 dbus_message_iter_get_basic(&iter_struct, &challenge);
190 else if (_challenge) {
191 *_challenge = !!challenge;
199 dbus_message_unref(m);
202 dbus_message_unref(reply);