static void fts_queue_index(struct mailbox *box)
{
struct mail_user *user = box->storage->user;
string_t *str = t_str_new(256);
const char *path, *value;
unsigned int max_recent_msgs;
int fd;
path = t_strconcat(user->set->base_dir, "/"INDEXER_SOCKET_NAME, NULL);
fd = net_connect_unix(path);
if (fd == -1) {
i_error("net_connect_unix(%s) failed: %m", path);
return;
}
value = mail_user_plugin_getenv(user, "fts_autoindex_max_recent_msgs");
if (value == NULL || str_to_uint(value, &max_recent_msgs) < 0)
max_recent_msgs = 0;
str_append(str, INDEXER_HANDSHAKE);
str_append(str, "APPEND\t0\t");
str_append_tabescaped(str, user->username);
str_append_c(str, '\t');
str_append_tabescaped(str, box->vname);
str_printfa(str, "\t%u", max_recent_msgs);
str_append_c(str, '\t');
str_append_tabescaped(str, box->storage->user->session_id);
str_append_c(str, '\n');
if (write_full(fd, str_data(str), str_len(str)) < 0)
i_error("write(%s) failed: %m", path);
i_close_fd(&fd);
}
static void server_real_connect(SERVER_REC *server, IPADDR *ip,
const char *unix_socket)
{
GIOChannel *handle;
IPADDR *own_ip = NULL;
const char *errmsg;
char *errmsg2;
char ipaddr[MAX_IP_LEN];
int port, protonum;
g_return_if_fail(ip != NULL || unix_socket != NULL);
signal_emit("server connecting", 2, server, ip);
if (server->connrec->no_connect)
return;
if (ip != NULL) {
own_ip = IPADDR_IS_V6(ip) ? server->connrec->own_ip6 : server->connrec->own_ip4;
port = server->connrec->proxy != NULL ?
server->connrec->proxy_port : server->connrec->port;
protonum = server->connrec->use_sctp ? 132 : 0;
handle = server->connrec->use_ssl ?
net_connect_ip_ssl(ip, port, own_ip, server, protonum) : net_connect_ip(ip, port, own_ip, protonum);
} else {
handle = net_connect_unix(unix_socket);
}
if (handle == NULL) {
/* failed */
errmsg = g_strerror(errno);
errmsg2 = NULL;
if (errno == EADDRNOTAVAIL) {
if (own_ip != NULL) {
/* show the IP which is causing the error */
net_ip2host(own_ip, ipaddr);
errmsg2 = g_strconcat(errmsg, ": ", ipaddr, NULL);
}
server->no_reconnect = TRUE;
}
if (server->connrec->use_ssl && errno == ENOSYS)
server->no_reconnect = TRUE;
server->connection_lost = TRUE;
server_connect_failed(server, errmsg2 ? errmsg2 : errmsg);
g_free(errmsg2);
} else {
server->handle = net_sendbuffer_create(handle, 0);
#ifdef HAVE_OPENSSL
if (server->connrec->use_ssl)
server_connect_callback_init_ssl(server, handle);
else
#endif
server->connect_tag =
g_input_add(handle, G_INPUT_WRITE | G_INPUT_READ,
(GInputFunction)
server_connect_callback_init,
server);
}
}
int connection_client_connect(struct connection *conn)
{
const struct connection_settings *set = &conn->list->set;
int fd;
i_assert(conn->list->set.client);
i_assert(conn->fd_in == -1);
if (conn->port != 0)
fd = net_connect_ip(&conn->ip, conn->port, NULL);
else
fd = net_connect_unix(conn->name);
if (fd == -1)
return -1;
conn->fd_in = conn->fd_out = fd;
if (conn->port != 0) {
conn->io = io_add(conn->fd_out, IO_WRITE,
connection_ip_connected, conn);
if (set->client_connect_timeout_msecs != 0) {
conn->to = timeout_add(set->client_connect_timeout_msecs,
connection_connect_timeout, conn);
}
} else {
connection_client_connected(conn, TRUE);
}
return 0;
}
static int replication_notify_sync(struct mail_user *user)
{
struct replication_user *ruser = REPLICATION_USER_CONTEXT(user);
string_t *str;
char buf[1024];
int fd;
ssize_t ret;
fd = net_connect_unix(ruser->socket_path);
if (fd == -1) {
i_error("net_connect_unix(%s) failed: %m", ruser->socket_path);
return -1;
}
net_set_nonblock(fd, FALSE);
/* <username> \t "sync" */
str = t_str_new(256);
str_append_tabescaped(str, user->username);
str_append(str, "\tsync\n");
alarm(ruser->sync_secs);
if (write_full(fd, str_data(str), str_len(str)) < 0) {
i_error("write(%s) failed: %m", ruser->socket_path);
ret = -1;
} else {
/* + | - */
ret = read(fd, buf, sizeof(buf));
if (ret < 0) {
if (errno != EINTR) {
i_error("read(%s) failed: %m",
ruser->socket_path);
} else {
i_warning("replication(%s): Sync failure: "
"Timeout in %u secs",
user->username, ruser->sync_secs);
}
} else if (ret == 0) {
i_error("read(%s) failed: EOF", ruser->socket_path);
ret = -1;
} else if (buf[0] == '+') {
/* success */
ret = 0;
} else if (buf[0] == '-') {
/* failure */
if (buf[ret-1] == '\n') ret--;
i_warning("replication(%s): Sync failure: %s",
user->username, t_strndup(buf+1, ret-1));
ret = -1;
} else {
i_warning("replication(%s): "
"Remote sent invalid input: %s",
user->username, t_strndup(buf, ret));
}
}
alarm(0);
if (close(fd) < 0)
i_error("close(%s) failed: %m", ruser->socket_path);
return ret;
}
static int
master_service_open_config(struct master_service *service,
const struct master_service_settings_input *input,
const char **path_r, const char **error_r)
{
struct stat st;
const char *path;
int fd;
*path_r = path = input->config_path != NULL ? input->config_path :
master_service_get_config_path(service);
if (service->config_fd != -1 && input->config_path == NULL &&
!service->config_path_changed_with_param) {
/* use the already opened config socket */
fd = service->config_fd;
service->config_fd = -1;
return fd;
}
if (!service->config_path_from_master &&
!service->config_path_changed_with_param &&
input->config_path == NULL) {
/* first try to connect to the default config socket.
configuration may contain secrets, so in default config
this fails because the socket is 0600. it's useful for
developers though. :) */
fd = net_connect_unix(DOVECOT_CONFIG_SOCKET_PATH);
if (fd >= 0) {
*path_r = DOVECOT_CONFIG_SOCKET_PATH;
net_set_nonblock(fd, FALSE);
return fd;
}
/* fallback to executing doveconf */
}
if (stat(path, &st) < 0) {
*error_r = errno == EACCES ? eacces_error_get("stat", path) :
t_strdup_printf("stat(%s) failed: %m", path);
return -1;
}
if (!S_ISSOCK(st.st_mode) && !S_ISFIFO(st.st_mode)) {
/* it's not an UNIX socket, don't even try to connect */
fd = -1;
errno = ENOTSOCK;
} else {
fd = net_connect_unix_with_retries(path, 1000);
}
if (fd < 0) {
*error_r = t_strdup_printf("net_connect_unix(%s) failed: %m",
path);
config_exec_fallback(service, input);
return -1;
}
net_set_nonblock(fd, FALSE);
return fd;
}
int doveadm_connect_with_default_port(const char *path,
in_port_t default_port)
{
int fd;
/* we'll assume UNIX sockets typically have an absolute path,
or at the very least '/' somewhere. */
if (strchr(path, '/') == NULL)
fd = doveadm_tcp_connect(path, default_port);
else {
fd = net_connect_unix(path);
if (fd == -1)
i_fatal("net_connect_unix(%s) failed: %m", path);
}
return fd;
}
int worker_connection_connect(struct worker_connection *conn)
{
i_assert(conn->fd == -1);
conn->fd = net_connect_unix(conn->socket_path);
if (conn->fd == -1) {
i_error("connect(%s) failed: %m", conn->socket_path);
return -1;
}
conn->io = io_add(conn->fd, IO_READ, worker_connection_input, conn);
conn->input = i_stream_create_fd(conn->fd, (size_t)-1);
conn->output = o_stream_create_fd(conn->fd, (size_t)-1);
o_stream_set_no_error_handling(conn->output, TRUE);
o_stream_nsend_str(conn->output, INDEXER_MASTER_HANDSHAKE);
return 0;
}
static void server_real_connect(SERVER_REC *server, IPADDR *ip,
const char *unix_socket)
{
GIOChannel *handle;
IPADDR *own_ip;
int port;
g_return_if_fail(ip != NULL || unix_socket != NULL);
signal_emit("server connecting", 2, server, ip);
if (server->connrec->no_connect)
return;
if (ip != NULL) {
own_ip = ip == NULL ? NULL :
(IPADDR_IS_V6(ip) ? server->connrec->own_ip6 :
server->connrec->own_ip4);
port = server->connrec->proxy != NULL ?
server->connrec->proxy_port : server->connrec->port;
handle = server->connrec->use_ssl ?
net_connect_ip_ssl(ip, port, own_ip, server->connrec->ssl_cert, server->connrec->ssl_pkey,
server->connrec->ssl_cafile, server->connrec->ssl_capath, server->connrec->ssl_verify) :
net_connect_ip(ip, port, own_ip);
} else {
handle = net_connect_unix(unix_socket);
}
if (handle == NULL) {
/* failed */
if (errno == EADDRNOTAVAIL ||
(server->connrec->use_ssl && errno == ENOSYS))
server->no_reconnect = TRUE;
server->connection_lost = TRUE;
server_connect_failed(server, g_strerror(errno));
} else {
server->handle = net_sendbuffer_create(handle, 0);
server->connect_tag =
g_input_add(handle, G_INPUT_WRITE | G_INPUT_READ,
(GInputFunction)
server_connect_callback_init,
server);
}
}
static void replicator_connection_connect(struct replicator_connection *conn)
{
unsigned int n;
int fd = -1;
if (conn->fd != -1)
return;
if (conn->port == 0) {
fd = net_connect_unix(conn->path);
if (fd == -1)
i_error("net_connect_unix(%s) failed: %m", conn->path);
} else {
for (n = 0; n < conn->ips_count; n++) {
unsigned int idx = conn->ip_idx;
conn->ip_idx = (conn->ip_idx + 1) % conn->ips_count;
fd = net_connect_ip(&conn->ips[idx], conn->port, NULL);
if (fd != -1)
break;
i_error("connect(%s, %u) failed: %m",
net_ip2addr(&conn->ips[idx]), conn->port);
}
}
if (fd == -1) {
if (conn->to == NULL) {
conn->to = timeout_add(REPLICATOR_RECONNECT_MSECS,
replicator_connection_connect,
conn);
}
return;
}
if (conn->to != NULL)
timeout_remove(&conn->to);
conn->fd = fd;
conn->io = io_add(fd, IO_READ, replicator_input, conn);
conn->input = i_stream_create_fd(fd, MAX_INBUF_SIZE, FALSE);
conn->output = o_stream_create_fd(fd, (size_t)-1, FALSE);
o_stream_set_no_error_handling(conn->output, TRUE);
o_stream_nsend_str(conn->output, REPLICATOR_HANDSHAKE);
o_stream_set_flush_callback(conn->output, replicator_output, conn);
}
static int ssl_refresh_parameters(struct master_service *service)
{
#define BUF_APPEND_SIZE 1024
const char *path;
buffer_t *buf;
void *data;
ssize_t ret;
int fd;
if (ioloop_time == 0 ||
service->ssl_params_last_refresh > ioloop_time - SSL_PARAMS_CHECK_INTERVAL)
return 0;
service->ssl_params_last_refresh = ioloop_time;
path = t_strdup_printf("%s/"SSL_PARAMETERS_PATH, service->set->base_dir);
fd = net_connect_unix(path);
if (fd == -1) {
i_error("connect(%s) failed: %m", path);
return -1;
}
net_set_nonblock(fd, FALSE);
buf = buffer_create_dynamic(default_pool, BUF_APPEND_SIZE*2);
for (;;) {
data = buffer_append_space_unsafe(buf, BUF_APPEND_SIZE);
ret = read(fd, data, BUF_APPEND_SIZE);
buffer_set_used_size(buf, buf->used - BUF_APPEND_SIZE +
(ret < 0 ? 0 : ret));
if (ret <= 0)
break;
}
if (ret < 0)
i_error("read(%s) failed: %m", path);
else if (ssl_iostream_context_import_params(service->ssl_ctx, buf) < 0) {
i_error("Corrupted SSL parameters file in state_dir: "
"ssl-parameters.dat - disabling SSL %u", (int)buf->used);
ret = -1;
}
i_close_fd(&fd);
buffer_free(&buf);
return ret < 0 ? -1 : 0;
}
struct access_lookup *
access_lookup(const char *path, int client_fd, const char *daemon_name,
access_lookup_callback_t *callback, void *context)
{
struct access_lookup *lookup;
const char *cmd;
ssize_t ret;
int fd;
fd = net_connect_unix(path);
if (fd == -1) {
i_error("connect(%s) failed: %m", path);
return NULL;
}
cmd = t_strconcat(daemon_name, "\n", NULL);
ret = fd_send(fd, client_fd, cmd, strlen(cmd));
if (ret != (ssize_t)strlen(cmd)) {
if (ret < 0)
i_error("fd_send(%s) failed: %m", path);
else
i_error("fd_send(%s) didn't write enough bytes", path);
i_close_fd(&fd);
return NULL;
}
lookup = i_new(struct access_lookup, 1);
lookup->refcount = 1;
lookup->fd = fd;
lookup->path = i_strdup(path);
lookup->io = io_add(fd, IO_READ, access_lookup_input, lookup);
lookup->to = timeout_add(ACCESS_LOOKUP_TIMEOUT_MSECS,
access_lookup_timeout, lookup);
lookup->callback = callback;
lookup->context = context;
return lookup;
}
static void
dsync_replicator_notify(struct dsync_cmd_context *ctx,
enum dsync_brain_sync_type sync_type,
const char *state_str)
{
#define REPLICATOR_HANDSHAKE "VERSION\treplicator-doveadm-client\t1\t0\n"
const char *path;
string_t *str;
int fd;
path = t_strdup_printf("%s/replicator-doveadm",
ctx->ctx.cur_mail_user->set->base_dir);
fd = net_connect_unix(path);
if (fd == -1) {
if (errno == ECONNREFUSED || errno == ENOENT) {
/* replicator not running on this server. ignore. */
return;
}
i_error("net_connect_unix(%s) failed: %m", path);
return;
}
str = t_str_new(128);
str_append(str, REPLICATOR_HANDSHAKE"NOTIFY\t");
str_append_tabescaped(str, ctx->ctx.cur_mail_user->username);
str_append_c(str, '\t');
if (sync_type == DSYNC_BRAIN_SYNC_TYPE_FULL)
str_append_c(str, 'f');
str_append_c(str, '\t');
str_append_tabescaped(str, state_str);
str_append_c(str, '\n');
if (write_full(fd, str_data(str), str_len(str)) < 0)
i_error("write(%s) failed: %m", path);
/* we only wanted to notify replicator. we don't care enough about the
answer to wait for it. */
if (close(fd) < 0)
i_error("close(%s) failed: %m", path);
}
