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/*-*- 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"
#include "bus-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_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(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(
m,
&SD_BUS_ERROR_MAKE(SD_BUS_ERROR_UNKNOWN_METHOD, "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_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;
}
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