1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
systemd 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 2.1 of the License, or
(at your option) any later version.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <assert.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
#include <fcntl.h>
#include "log.h"
#include "util.h"
#include "macro.h"
#include "sd-bus.h"
#include "bus-internal.h"
#include "bus-message.h"
struct context {
int fds[2];
bool client_negotiate_unix_fds;
bool server_negotiate_unix_fds;
bool client_anonymous_auth;
bool server_anonymous_auth;
};
static void *server(void *p) {
struct context *c = p;
sd_bus *bus = NULL;
sd_id128_t id;
bool quit = false;
int r;
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(sd_bus_new(&bus) >= 0);
assert_se(sd_bus_set_fd(bus, c->fds[0], c->fds[0]) >= 0);
assert_se(sd_bus_set_server(bus, 1, id) >= 0);
assert_se(sd_bus_set_anonymous(bus, c->server_anonymous_auth) >= 0);
assert_se(sd_bus_negotiate_fds(bus, c->server_negotiate_unix_fds) >= 0);
assert_se(sd_bus_start(bus) >= 0);
while (!quit) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
r = sd_bus_process(bus, &m);
if (r < 0) {
log_error("Failed to process requests: %s", strerror(-r));
goto fail;
}
if (r == 0) {
r = sd_bus_wait(bus, (uint64_t) -1);
if (r < 0) {
log_error("Failed to wait: %s", strerror(-r));
goto fail;
}
continue;
}
if (!m)
continue;
log_info("Got message! member=%s", strna(sd_bus_message_get_member(m)));
if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "Exit")) {
assert_se((sd_bus_can_send(bus, 'h') >= 1) == (c->server_negotiate_unix_fds && c->client_negotiate_unix_fds));
r = sd_bus_message_new_method_return(bus, m, &reply);
if (r < 0) {
log_error("Failed to allocate return: %s", strerror(-r));
goto fail;
}
quit = true;
} else if (sd_bus_message_is_method_call(m, NULL, NULL)) {
r = sd_bus_message_new_method_error(
bus, m,
&SD_BUS_ERROR_MAKE("org.freedesktop.DBus.Error.UnknownMethod", "Unknown method."),
&reply);
if (r < 0) {
log_error("Failed to allocate return: %s", strerror(-r));
goto fail;
}
}
if (reply) {
r = sd_bus_send(bus, reply, NULL);
if (r < 0) {
log_error("Failed to send reply: %s", strerror(-r));
goto fail;
}
}
}
r = 0;
fail:
if (bus) {
sd_bus_flush(bus);
sd_bus_unref(bus);
}
return INT_TO_PTR(r);
}
static int client(struct context *c) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
_cleanup_bus_unref_ sd_bus *bus = NULL;
sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert_se(sd_bus_new(&bus) >= 0);
assert_se(sd_bus_set_fd(bus, c->fds[1], c->fds[1]) >= 0);
assert_se(sd_bus_negotiate_fds(bus, c->client_negotiate_unix_fds) >= 0);
assert_se(sd_bus_set_anonymous(bus, c->client_anonymous_auth) >= 0);
assert_se(sd_bus_start(bus) >= 0);
r = sd_bus_message_new_method_call(
bus,
"org.freedesktop.systemd.test",
"/",
"org.freedesktop.systemd.test",
"Exit",
&m);
if (r < 0) {
log_error("Failed to allocate method call: %s", strerror(-r));
return r;
}
r = sd_bus_send_with_reply_and_block(bus, m, 0, &error, &reply);
if (r < 0) {
log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
return r;
}
return 0;
}
static int test_one(bool client_negotiate_unix_fds, bool server_negotiate_unix_fds,
bool client_anonymous_auth, bool server_anonymous_auth) {
struct context c;
pthread_t s;
void *p;
int r, q;
zero(c);
assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, c.fds) >= 0);
c.client_negotiate_unix_fds = client_negotiate_unix_fds;
c.server_negotiate_unix_fds = server_negotiate_unix_fds;
c.client_anonymous_auth = client_anonymous_auth;
c.server_anonymous_auth = server_anonymous_auth;
r = pthread_create(&s, NULL, server, &c);
if (r != 0)
return -r;
r = client(&c);
q = pthread_join(s, &p);
if (q != 0)
return -q;
if (r < 0)
return r;
if (PTR_TO_INT(p) < 0)
return PTR_TO_INT(p);
return 0;
}
int main(int argc, char *argv[]) {
int r;
r = test_one(true, true, false, false);
assert_se(r >= 0);
r = test_one(true, false, false, false);
assert_se(r >= 0);
r = test_one(false, true, false, false);
assert_se(r >= 0);
r = test_one(false, false, false, false);
assert_se(r >= 0);
r = test_one(true, true, true, true);
assert_se(r >= 0);
r = test_one(true, true, false, true);
assert_se(r >= 0);
r = test_one(true, true, true, false);
assert_se(r == -EPERM);
return EXIT_SUCCESS;
}
|
