Exemplo n.º 1
0
static int
queue_proc_init(struct passwd *pw, int server, const char *conf)
{
	uint32_t	version;
	int		fd;

	fd = fork_proc_backend("queue", conf, "queue-proc");
	if (fd == -1)
		fatalx("queue-proc: exiting");

	imsg_init(&ibuf, fd);

	version = PROC_QUEUE_API_VERSION;
	imsg_compose(&ibuf, PROC_QUEUE_INIT, 0, 0, -1,
	    &version, sizeof(version));

	queue_api_on_close(queue_proc_close);
	queue_api_on_message_create(queue_proc_message_create);
	queue_api_on_message_commit(queue_proc_message_commit);
	queue_api_on_message_delete(queue_proc_message_delete);
	queue_api_on_message_fd_r(queue_proc_message_fd_r);
	queue_api_on_message_corrupt(queue_proc_message_corrupt);
	queue_api_on_envelope_create(queue_proc_envelope_create);
	queue_api_on_envelope_delete(queue_proc_envelope_delete);
	queue_api_on_envelope_update(queue_proc_envelope_update);
	queue_api_on_envelope_load(queue_proc_envelope_load);
	queue_api_on_envelope_walk(queue_proc_envelope_walk);

	queue_proc_call();
	queue_proc_end();

	return (1);
}
Exemplo n.º 2
0
static int
queue_proc_envelope_walk(uint64_t *evpid, char *buf, size_t len)
{
	int	r;

	imsg_compose(&ibuf, PROC_QUEUE_ENVELOPE_WALK, 0, 0, -1, NULL, 0);

	queue_proc_call();
	queue_proc_read(&r, sizeof(r));

	if (r > 0) {
		queue_proc_read(evpid, sizeof(*evpid));
		if (rlen > len) {
			log_warnx("warn: queue-proc: buf too small");
			fatalx("queue-proc: exiting");
		}
		if (r != (int)rlen) {
			log_warnx("warn: queue-proc: len mismatch");
			fatalx("queue-proc: exiting");
		}
		queue_proc_read(buf, rlen);
	}
	queue_proc_end();

	return (r);
}
Exemplo n.º 3
0
static int
queue_proc_init(struct passwd *pw, int server)
{
	int		sp[2];
	uint32_t	version;

	errno = 0;

	if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, sp) < 0) {
		log_warn("warn: queue-proc: socketpair");
		return (0);
	}

	if ((pid = fork()) == -1) {
		log_warn("warn: queue-proc: fork");
		goto err;
	}

	if (pid == 0) {
		/* child process */
		dup2(sp[0], STDIN_FILENO);
		if (closefrom(STDERR_FILENO + 1) < 0)
			exit(1);

		execl(execpath, "queue_ramproc", NULL);
		err(1, "execl");
	}

	/* parent process */
	close(sp[0]);
	imsg_init(&ibuf, sp[1]);

	version = PROC_QUEUE_API_VERSION;
	imsg_compose(&ibuf, PROC_QUEUE_INIT, 0, 0, -1,
	    &version, sizeof(version));

	queue_api_on_message_create(queue_proc_message_create);
	queue_api_on_message_commit(queue_proc_message_commit);
	queue_api_on_message_delete(queue_proc_message_delete);
	queue_api_on_message_fd_r(queue_proc_message_fd_r);
	queue_api_on_message_corrupt(queue_proc_message_corrupt);
	queue_api_on_envelope_create(queue_proc_envelope_create);
	queue_api_on_envelope_delete(queue_proc_envelope_delete);
	queue_api_on_envelope_update(queue_proc_envelope_update);
	queue_api_on_envelope_load(queue_proc_envelope_load);
	queue_api_on_envelope_walk(queue_proc_envelope_walk);

	queue_proc_call();
	queue_proc_end();

	return (1);

err:
	close(sp[0]);
	close(sp[1]);
	return (0);
}
Exemplo n.º 4
0
static int
queue_proc_message_fd_r(uint32_t msgid)
{
	imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_FD_R, 0, 0, -1, &msgid,
	    sizeof(msgid));

	queue_proc_call();
	queue_proc_end();

	return (imsg.fd);
}
Exemplo n.º 5
0
static int
queue_proc_close(void)
{
	int	r;

	imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_CORRUPT, 0, 0, -1, NULL, 0);

	queue_proc_call();
	queue_proc_read(&r, sizeof(r));
	queue_proc_end();

	return (r);
}
Exemplo n.º 6
0
static int
queue_proc_envelope_delete(uint64_t evpid)
{
	int	r;

	imsg_compose(&ibuf, PROC_QUEUE_ENVELOPE_DELETE, 0, 0, -1, &evpid,
	    sizeof(evpid));

	queue_proc_call();
	queue_proc_read(&r, sizeof(r));
	queue_proc_end();

	return (r);
}
Exemplo n.º 7
0
static int
queue_proc_message_corrupt(uint32_t msgid)
{
	int	r;

	imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_CORRUPT, 0, 0, -1, &msgid,
	    sizeof(msgid));

	queue_proc_call();
	queue_proc_read(&r, sizeof(r));
	queue_proc_end();

	return (r);
}
Exemplo n.º 8
0
static int
queue_proc_message_create(uint32_t *msgid)
{
	int	r;

	imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_CREATE, 0, 0, -1, NULL, 0);

	queue_proc_call();
	queue_proc_read(&r, sizeof(r));
	if (r == 1)
		queue_proc_read(msgid, sizeof(*msgid));
	queue_proc_end();

	return (r);
}
Exemplo n.º 9
0
static int
queue_proc_envelope_update(uint64_t evpid, const char *buf, size_t len)
{
	struct ibuf	*b;
	int		 r;

	b = imsg_create(&ibuf, PROC_QUEUE_ENVELOPE_UPDATE, 0, 0,
	    len + sizeof(evpid));
	if (imsg_add(b, &evpid, sizeof(evpid)) == -1 ||
	    imsg_add(b, buf, len) == -1)
		return (0);
	imsg_close(&ibuf, b);

	queue_proc_call();
	queue_proc_read(&r, sizeof(r));
	queue_proc_end();

	return (r);
}
Exemplo n.º 10
0
static int
queue_proc_message_commit(uint32_t msgid, const char *path)
{
	int	r, fd;

	fd = open(path, O_RDONLY);
	if (fd == -1) {
		log_warn("queue-proc: open: %s", path);
		return (0);
	}

	imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_COMMIT, 0, 0, fd, &msgid,
	    sizeof(msgid));

	queue_proc_call();
	queue_proc_read(&r, sizeof(r));
	queue_proc_end();

	return (r);
}
Exemplo n.º 11
0
static int
queue_proc_envelope_load(uint64_t evpid, char *buf, size_t len)
{
	int	r;

	imsg_compose(&ibuf, PROC_QUEUE_ENVELOPE_LOAD, 0, 0, -1, &evpid,
	    sizeof(evpid));

	queue_proc_call();

	if (rlen > len) {
		log_warnx("warn: queue-proc: buf too small");
		fatalx("queue-proc: exiting");
	}

	r = rlen;
	queue_proc_read(buf, rlen);
	queue_proc_end();

	return (r);
}
Exemplo n.º 12
0
static int
queue_proc_envelope_create(uint32_t msgid, const char *buf, size_t len,
    uint64_t *evpid)
{
	struct ibuf	*b;
	int		 r;

	msgid = evpid_to_msgid(*evpid);
	b = imsg_create(&ibuf, PROC_QUEUE_ENVELOPE_CREATE, 0, 0,
	    sizeof(msgid) + len);
	if (imsg_add(b, &msgid, sizeof(msgid)) == -1 ||
	    imsg_add(b, buf, len) == -1)
		return (0);
	imsg_close(&ibuf, b);

	queue_proc_call();
	queue_proc_read(&r, sizeof(r));
	if (r == 1)
		queue_proc_read(evpid, sizeof(*evpid));
	queue_proc_end();

	return (r);
}