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"
38 DBusMessage *m = NULL, *reply = NULL;
39 const char *unix_process = "unix-process", *pid = "pid", *starttime = "start-time", *cancel_id = "";
41 uint32_t flags = interactive ? 1 : 0;
44 unsigned long long starttime_raw;
45 uint64_t starttime_u64;
46 DBusMessageIter iter_msg, iter_struct, iter_array, iter_dict, iter_variant;
48 dbus_bool_t authorized = FALSE, challenge = FALSE;
54 sender = dbus_message_get_sender(request);
58 ul = dbus_bus_get_unix_user(c, sender, error);
59 if (ul == (unsigned) -1)
62 /* Shortcut things for root, to avoid the PK roundtrip and dependency */
66 pid_raw = bus_get_unix_process_id(c, sender, error);
70 r = get_starttime_of_pid(pid_raw, &starttime_raw);
74 m = dbus_message_new_method_call(
75 "org.freedesktop.PolicyKit1",
76 "/org/freedesktop/PolicyKit1/Authority",
77 "org.freedesktop.PolicyKit1.Authority",
78 "CheckAuthorization");
82 dbus_message_iter_init_append(m, &iter_msg);
84 pid_u32 = (uint32_t) pid_raw;
85 starttime_u64 = (uint64_t) starttime_raw;
87 if (!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_STRUCT, NULL, &iter_struct) ||
88 !dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &unix_process) ||
89 !dbus_message_iter_open_container(&iter_struct, DBUS_TYPE_ARRAY, "{sv}", &iter_array) ||
90 !dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
91 !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &pid) ||
92 !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "u", &iter_variant) ||
93 !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT32, &pid_u32) ||
94 !dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
95 !dbus_message_iter_close_container(&iter_array, &iter_dict) ||
96 !dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
97 !dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &starttime) ||
98 !dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "t", &iter_variant) ||
99 !dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT64, &starttime_u64) ||
100 !dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
101 !dbus_message_iter_close_container(&iter_array, &iter_dict) ||
102 !dbus_message_iter_close_container(&iter_struct, &iter_array) ||
103 !dbus_message_iter_close_container(&iter_msg, &iter_struct) ||
104 !dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &action) ||
105 !dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_ARRAY, "{ss}", &iter_array) ||
106 !dbus_message_iter_close_container(&iter_msg, &iter_array) ||
107 !dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_UINT32, &flags) ||
108 !dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &cancel_id)) {
113 reply = dbus_connection_send_with_reply_and_block(c, m, -1, error);
119 if (dbus_set_error_from_message(error, reply)) {
124 if (!dbus_message_iter_init(reply, &iter_msg) ||
125 dbus_message_iter_get_arg_type(&iter_msg) != DBUS_TYPE_STRUCT) {
130 dbus_message_iter_recurse(&iter_msg, &iter_struct);
132 if (dbus_message_iter_get_arg_type(&iter_struct) != DBUS_TYPE_BOOLEAN) {
137 dbus_message_iter_get_basic(&iter_struct, &authorized);
139 if (!dbus_message_iter_next(&iter_struct) ||
140 dbus_message_iter_get_arg_type(&iter_struct) != DBUS_TYPE_BOOLEAN) {
145 dbus_message_iter_get_basic(&iter_struct, &challenge);
149 else if (_challenge) {
150 *_challenge = !!challenge;
157 dbus_message_unref(m);
160 dbus_message_unref(reply);