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52ad194e | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
663996b3 MS |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2013 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
663996b3 | 21 | #include <pthread.h> |
db2df898 | 22 | #include <stdlib.h> |
663996b3 MS |
23 | |
24 | #include "sd-bus.h" | |
db2df898 | 25 | |
663996b3 | 26 | #include "bus-internal.h" |
60f067b4 | 27 | #include "bus-util.h" |
db2df898 MP |
28 | #include "log.h" |
29 | #include "macro.h" | |
30 | #include "util.h" | |
663996b3 MS |
31 | |
32 | struct context { | |
33 | int fds[2]; | |
34 | ||
35 | bool client_negotiate_unix_fds; | |
36 | bool server_negotiate_unix_fds; | |
37 | ||
38 | bool client_anonymous_auth; | |
39 | bool server_anonymous_auth; | |
40 | }; | |
41 | ||
42 | static void *server(void *p) { | |
43 | struct context *c = p; | |
44 | sd_bus *bus = NULL; | |
45 | sd_id128_t id; | |
46 | bool quit = false; | |
47 | int r; | |
48 | ||
49 | assert_se(sd_id128_randomize(&id) >= 0); | |
50 | ||
51 | assert_se(sd_bus_new(&bus) >= 0); | |
52 | assert_se(sd_bus_set_fd(bus, c->fds[0], c->fds[0]) >= 0); | |
53 | assert_se(sd_bus_set_server(bus, 1, id) >= 0); | |
663996b3 | 54 | assert_se(sd_bus_set_anonymous(bus, c->server_anonymous_auth) >= 0); |
14228c0d | 55 | assert_se(sd_bus_negotiate_fds(bus, c->server_negotiate_unix_fds) >= 0); |
663996b3 MS |
56 | assert_se(sd_bus_start(bus) >= 0); |
57 | ||
58 | while (!quit) { | |
4c89c718 | 59 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
663996b3 MS |
60 | |
61 | r = sd_bus_process(bus, &m); | |
62 | if (r < 0) { | |
f47781d8 | 63 | log_error_errno(r, "Failed to process requests: %m"); |
663996b3 MS |
64 | goto fail; |
65 | } | |
66 | ||
67 | if (r == 0) { | |
68 | r = sd_bus_wait(bus, (uint64_t) -1); | |
69 | if (r < 0) { | |
f47781d8 | 70 | log_error_errno(r, "Failed to wait: %m"); |
663996b3 MS |
71 | goto fail; |
72 | } | |
73 | ||
74 | continue; | |
75 | } | |
76 | ||
77 | if (!m) | |
78 | continue; | |
79 | ||
80 | log_info("Got message! member=%s", strna(sd_bus_message_get_member(m))); | |
81 | ||
82 | if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "Exit")) { | |
83 | ||
84 | assert_se((sd_bus_can_send(bus, 'h') >= 1) == (c->server_negotiate_unix_fds && c->client_negotiate_unix_fds)); | |
85 | ||
60f067b4 | 86 | r = sd_bus_message_new_method_return(m, &reply); |
663996b3 | 87 | if (r < 0) { |
f47781d8 | 88 | log_error_errno(r, "Failed to allocate return: %m"); |
663996b3 MS |
89 | goto fail; |
90 | } | |
91 | ||
92 | quit = true; | |
93 | ||
94 | } else if (sd_bus_message_is_method_call(m, NULL, NULL)) { | |
95 | r = sd_bus_message_new_method_error( | |
60f067b4 JS |
96 | m, |
97 | &reply, | |
98 | &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_UNKNOWN_METHOD, "Unknown method.")); | |
663996b3 | 99 | if (r < 0) { |
f47781d8 | 100 | log_error_errno(r, "Failed to allocate return: %m"); |
663996b3 MS |
101 | goto fail; |
102 | } | |
103 | } | |
104 | ||
105 | if (reply) { | |
106 | r = sd_bus_send(bus, reply, NULL); | |
107 | if (r < 0) { | |
f47781d8 | 108 | log_error_errno(r, "Failed to send reply: %m"); |
663996b3 MS |
109 | goto fail; |
110 | } | |
111 | } | |
112 | } | |
113 | ||
114 | r = 0; | |
115 | ||
116 | fail: | |
117 | if (bus) { | |
118 | sd_bus_flush(bus); | |
119 | sd_bus_unref(bus); | |
120 | } | |
121 | ||
122 | return INT_TO_PTR(r); | |
123 | } | |
124 | ||
125 | static int client(struct context *c) { | |
4c89c718 MP |
126 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
127 | _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; | |
663996b3 MS |
128 | sd_bus_error error = SD_BUS_ERROR_NULL; |
129 | int r; | |
130 | ||
131 | assert_se(sd_bus_new(&bus) >= 0); | |
132 | assert_se(sd_bus_set_fd(bus, c->fds[1], c->fds[1]) >= 0); | |
14228c0d | 133 | assert_se(sd_bus_negotiate_fds(bus, c->client_negotiate_unix_fds) >= 0); |
663996b3 MS |
134 | assert_se(sd_bus_set_anonymous(bus, c->client_anonymous_auth) >= 0); |
135 | assert_se(sd_bus_start(bus) >= 0); | |
136 | ||
137 | r = sd_bus_message_new_method_call( | |
138 | bus, | |
60f067b4 | 139 | &m, |
663996b3 MS |
140 | "org.freedesktop.systemd.test", |
141 | "/", | |
142 | "org.freedesktop.systemd.test", | |
60f067b4 | 143 | "Exit"); |
f47781d8 MP |
144 | if (r < 0) |
145 | return log_error_errno(r, "Failed to allocate method call: %m"); | |
663996b3 | 146 | |
60f067b4 | 147 | r = sd_bus_call(bus, m, 0, &error, &reply); |
663996b3 MS |
148 | if (r < 0) { |
149 | log_error("Failed to issue method call: %s", bus_error_message(&error, -r)); | |
150 | return r; | |
151 | } | |
152 | ||
153 | return 0; | |
154 | } | |
155 | ||
156 | static int test_one(bool client_negotiate_unix_fds, bool server_negotiate_unix_fds, | |
157 | bool client_anonymous_auth, bool server_anonymous_auth) { | |
158 | ||
159 | struct context c; | |
160 | pthread_t s; | |
161 | void *p; | |
162 | int r, q; | |
163 | ||
164 | zero(c); | |
165 | ||
166 | assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, c.fds) >= 0); | |
167 | ||
168 | c.client_negotiate_unix_fds = client_negotiate_unix_fds; | |
169 | c.server_negotiate_unix_fds = server_negotiate_unix_fds; | |
170 | c.client_anonymous_auth = client_anonymous_auth; | |
171 | c.server_anonymous_auth = server_anonymous_auth; | |
172 | ||
173 | r = pthread_create(&s, NULL, server, &c); | |
174 | if (r != 0) | |
175 | return -r; | |
176 | ||
177 | r = client(&c); | |
178 | ||
179 | q = pthread_join(s, &p); | |
180 | if (q != 0) | |
181 | return -q; | |
182 | ||
183 | if (r < 0) | |
184 | return r; | |
185 | ||
186 | if (PTR_TO_INT(p) < 0) | |
187 | return PTR_TO_INT(p); | |
188 | ||
189 | return 0; | |
190 | } | |
191 | ||
192 | int main(int argc, char *argv[]) { | |
193 | int r; | |
194 | ||
195 | r = test_one(true, true, false, false); | |
196 | assert_se(r >= 0); | |
197 | ||
198 | r = test_one(true, false, false, false); | |
199 | assert_se(r >= 0); | |
200 | ||
201 | r = test_one(false, true, false, false); | |
202 | assert_se(r >= 0); | |
203 | ||
204 | r = test_one(false, false, false, false); | |
205 | assert_se(r >= 0); | |
206 | ||
207 | r = test_one(true, true, true, true); | |
208 | assert_se(r >= 0); | |
209 | ||
210 | r = test_one(true, true, false, true); | |
211 | assert_se(r >= 0); | |
212 | ||
213 | r = test_one(true, true, true, false); | |
214 | assert_se(r == -EPERM); | |
215 | ||
216 | return EXIT_SUCCESS; | |
217 | } |