[thirdparty/systemd.git] / src / libsystemd / sd-bus / test-bus-server.c

/***
  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 <pthread.h>
#include <stdlib.h>

#include "sd-bus.h"

#include "bus-internal.h"
#include "bus-util.h"
#include "log.h"
#include "macro.h"
#include "util.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_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;

                r = sd_bus_process(bus, &m);
                if (r < 0) {
                        log_error_errno(r, "Failed to process requests: %m");
                        goto fail;
                }

                if (r == 0) {
                        r = sd_bus_wait(bus, (uint64_t) -1);
                        if (r < 0) {
                                log_error_errno(r, "Failed to wait: %m");
                                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(m, &reply);
                        if (r < 0) {
                                log_error_errno(r, "Failed to allocate return: %m");
                                goto fail;
                        }

                        quit = true;

                } else if (sd_bus_message_is_method_call(m, NULL, NULL)) {
                        r = sd_bus_message_new_method_error(
                                        m,
                                        &reply,
                                        &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_UNKNOWN_METHOD, "Unknown method."));
                        if (r < 0) {
                                log_error_errno(r, "Failed to allocate return: %m");
                                goto fail;
                        }
                }

                if (reply) {
                        r = sd_bus_send(bus, reply, NULL);
                        if (r < 0) {
                                log_error_errno(r, "Failed to send reply: %m");
                                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_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
        _cleanup_(sd_bus_unrefp) 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,
                        &m,
                        "org.freedesktop.systemd.test",
                        "/",
                        "org.freedesktop.systemd.test",
                        "Exit");
        if (r < 0)
                return log_error_errno(r, "Failed to allocate method call: %m");

        r = sd_bus_call(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;
}
Commit	Line	Data
11c4c249 LP	1	/***
	2	This file is part of systemd.
	3
	4	Copyright 2013 Lennart Poettering
	5
	6	systemd is free software; you can redistribute it and/or modify it
	7	under the terms of the GNU Lesser General Public License as published by
	8	the Free Software Foundation; either version 2.1 of the License, or
	9	(at your option) any later version.
	10
	11	systemd is distributed in the hope that it will be useful, but
	12	WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public License
	17	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	18	***/
	19
11c4c249	20	#include <pthread.h>
07630cea	21	#include <stdlib.h>
11c4c249 LP	22
11c4c249 LP	23	#include "sd-bus.h"
07630cea	24
11c4c249	25	#include "bus-internal.h"
057171ef	26	#include "bus-util.h"
07630cea LP	27	#include "log.h"
	28	#include "macro.h"
	29	#include "util.h"
11c4c249 LP	30
	31	struct context {
	32	int fds[2];
	33
	34	bool client_negotiate_unix_fds;
	35	bool server_negotiate_unix_fds;
	36
	37	bool client_anonymous_auth;
	38	bool server_anonymous_auth;
	39	};
	40
	41	static void server(void p) {
	42	struct context *c = p;
	43	sd_bus *bus = NULL;
	44	sd_id128_t id;
	45	bool quit = false;
	46	int r;
	47
	48	assert_se(sd_id128_randomize(&id) >= 0);
	49
	50	assert_se(sd_bus_new(&bus) >= 0);
e82c9509	51	assert_se(sd_bus_set_fd(bus, c->fds[0], c->fds[0]) >= 0);
11c4c249	52	assert_se(sd_bus_set_server(bus, 1, id) >= 0);
11c4c249	53	assert_se(sd_bus_set_anonymous(bus, c->server_anonymous_auth) >= 0);
264ad849	54	assert_se(sd_bus_negotiate_fds(bus, c->server_negotiate_unix_fds) >= 0);
11c4c249 LP	55	assert_se(sd_bus_start(bus) >= 0);
	56
	57	while (!quit) {
4afd3348	58	_cleanup_(sd_bus_message_unrefp) sd_bus_message m = NULL, reply = NULL;
11c4c249 LP	59
	60	r = sd_bus_process(bus, &m);
	61	if (r < 0) {
da927ba9	62	log_error_errno(r, "Failed to process requests: %m");
11c4c249 LP	63	goto fail;
	64	}
	65
	66	if (r == 0) {
	67	r = sd_bus_wait(bus, (uint64_t) -1);
	68	if (r < 0) {
da927ba9	69	log_error_errno(r, "Failed to wait: %m");
11c4c249 LP	70	goto fail;
	71	}
	72
	73	continue;
	74	}
	75
	76	if (!m)
	77	continue;
	78
	79	log_info("Got message! member=%s", strna(sd_bus_message_get_member(m)));
	80
	81	if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "Exit")) {
	82
	83	assert_se((sd_bus_can_send(bus, 'h') >= 1) == (c->server_negotiate_unix_fds && c->client_negotiate_unix_fds));
	84
df2d202e	85	r = sd_bus_message_new_method_return(m, &reply);
11c4c249	86	if (r < 0) {
da927ba9	87	log_error_errno(r, "Failed to allocate return: %m");
11c4c249 LP	88	goto fail;
	89	}
	90
	91	quit = true;
	92
	93	} else if (sd_bus_message_is_method_call(m, NULL, NULL)) {
c784c5ce	94	r = sd_bus_message_new_method_error(
df2d202e	95	m,
151b9b96 LP	96	&reply,
151b9b96 LP	97	&SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_UNKNOWN_METHOD, "Unknown method."));
11c4c249	98	if (r < 0) {
da927ba9	99	log_error_errno(r, "Failed to allocate return: %m");
11c4c249 LP	100	goto fail;
	101	}
	102	}
	103
	104	if (reply) {
	105	r = sd_bus_send(bus, reply, NULL);
	106	if (r < 0) {
da927ba9	107	log_error_errno(r, "Failed to send reply: %m");
11c4c249 LP	108	goto fail;
	109	}
	110	}
	111	}
	112
	113	r = 0;
	114
	115	fail:
	116	if (bus) {
	117	sd_bus_flush(bus);
	118	sd_bus_unref(bus);
	119	}
	120
	121	return INT_TO_PTR(r);
	122	}
	123
	124	static int client(struct context *c) {
4afd3348 LP	125	_cleanup_(sd_bus_message_unrefp) sd_bus_message m = NULL, reply = NULL;
4afd3348 LP	126	_cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
c784c5ce	127	sd_bus_error error = SD_BUS_ERROR_NULL;
11c4c249 LP	128	int r;
	129
	130	assert_se(sd_bus_new(&bus) >= 0);
e82c9509	131	assert_se(sd_bus_set_fd(bus, c->fds[1], c->fds[1]) >= 0);
264ad849	132	assert_se(sd_bus_negotiate_fds(bus, c->client_negotiate_unix_fds) >= 0);
11c4c249 LP	133	assert_se(sd_bus_set_anonymous(bus, c->client_anonymous_auth) >= 0);
	134	assert_se(sd_bus_start(bus) >= 0);
	135
	136	r = sd_bus_message_new_method_call(
	137	bus,
151b9b96	138	&m,
11c4c249 LP	139	"org.freedesktop.systemd.test",
	140	"/",
	141	"org.freedesktop.systemd.test",
151b9b96	142	"Exit");
f647962d MS	143	if (r < 0)
f647962d MS	144	return log_error_errno(r, "Failed to allocate method call: %m");
11c4c249	145
c49b30a2	146	r = sd_bus_call(bus, m, 0, &error, &reply);
11c4c249 LP	147	if (r < 0) {
	148	log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
	149	return r;
	150	}
	151
	152	return 0;
	153	}
	154
	155	static int test_one(bool client_negotiate_unix_fds, bool server_negotiate_unix_fds,
	156	bool client_anonymous_auth, bool server_anonymous_auth) {
	157
	158	struct context c;
	159	pthread_t s;
	160	void *p;
	161	int r, q;
	162
	163	zero(c);
	164
	165	assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, c.fds) >= 0);
	166
	167	c.client_negotiate_unix_fds = client_negotiate_unix_fds;
	168	c.server_negotiate_unix_fds = server_negotiate_unix_fds;
	169	c.client_anonymous_auth = client_anonymous_auth;
	170	c.server_anonymous_auth = server_anonymous_auth;
	171
	172	r = pthread_create(&s, NULL, server, &c);
	173	if (r != 0)
	174	return -r;
	175
	176	r = client(&c);
	177
	178	q = pthread_join(s, &p);
	179	if (q != 0)
	180	return -q;
	181
	182	if (r < 0)
	183	return r;
	184
	185	if (PTR_TO_INT(p) < 0)
	186	return PTR_TO_INT(p);
	187
	188	return 0;
	189	}
	190
	191	int main(int argc, char *argv[]) {
	192	int r;
	193
	194	r = test_one(true, true, false, false);
	195	assert_se(r >= 0);
	196
	197	r = test_one(true, false, false, false);
	198	assert_se(r >= 0);
	199
	200	r = test_one(false, true, false, false);
	201	assert_se(r >= 0);
	202
	203	r = test_one(false, false, false, false);
	204	assert_se(r >= 0);
	205
	206	r = test_one(true, true, true, true);
	207	assert_se(r >= 0);
	208
	209	r = test_one(true, true, false, true);
	210	assert_se(r >= 0);
211
212	r = test_one(true, true, true, false);
213	assert_se(r == -EPERM);
214
215	return EXIT_SUCCESS;
216	}