void mail_storage_service_all_init(struct mail_storage_service_ctx *ctx)
{
enum auth_master_flags flags = 0;
(void)mail_storage_service_all_iter_deinit(ctx);
mail_storage_service_init_settings(ctx, NULL);
/* create a new connection, because the iteration might take a while
and we might want to do USER lookups during it, which don't mix
well in the same connection. */
if (ctx->debug)
flags |= AUTH_MASTER_FLAG_DEBUG;
ctx->iter_conn = auth_master_init(auth_master_get_socket_path(ctx->conn),
flags);
ctx->auth_list = auth_master_user_list_init(ctx->iter_conn, "", NULL);
}
static bool client_proxy_rcpt(struct client *client, const char *address,
const char *username, const char *detail)
{
struct auth_master_connection *auth_conn;
struct lmtp_proxy_rcpt_settings set;
struct auth_user_info info;
struct mail_storage_service_input input;
const char *args, *const *fields, *errstr, *orig_username = username;
pool_t pool;
int ret;
memset(&input, 0, sizeof(input));
input.module = input.service = "lmtp";
mail_storage_service_init_settings(storage_service, &input);
memset(&info, 0, sizeof(info));
info.service = master_service_get_name(master_service);
info.local_ip = client->local_ip;
info.remote_ip = client->remote_ip;
info.local_port = client->local_port;
info.remote_port = client->remote_port;
pool = pool_alloconly_create("auth lookup", 1024);
auth_conn = mail_storage_service_get_auth_conn(storage_service);
ret = auth_master_pass_lookup(auth_conn, username, &info,
pool, &fields);
if (ret <= 0) {
errstr = ret < 0 && fields[0] != NULL ? t_strdup(fields[0]) :
t_strdup_printf(ERRSTR_TEMP_USERDB_FAIL, address);
pool_unref(&pool);
if (ret < 0) {
client_send_line(client, "%s", errstr);
return TRUE;
} else {
/* user not found from passdb. try userdb also. */
return FALSE;
}
}
memset(&set, 0, sizeof(set));
set.port = client->local_port;
set.protocol = LMTP_CLIENT_PROTOCOL_LMTP;
set.timeout_msecs = LMTP_PROXY_DEFAULT_TIMEOUT_MSECS;
if (!client_proxy_rcpt_parse_fields(&set, fields, &username)) {
/* not proxying this user */
pool_unref(&pool);
return FALSE;
}
if (strcmp(username, orig_username) != 0) {
/* username changed. change the address as well */
if (*detail == '\0')
address = username;
else
address = address_add_detail(client, username, detail);
} else if (client_proxy_is_ourself(client, &set)) {
i_error("Proxying to <%s> loops to itself", username);
client_send_line(client, "554 5.4.6 <%s> "
"Proxying loops to itself", address);
pool_unref(&pool);
return TRUE;
}
if (client->proxy_ttl <= 1) {
i_error("Proxying to <%s> appears to be looping (TTL=0)",
username);
client_send_line(client, "554 5.4.6 <%s> "
"Proxying appears to be looping (TTL=0)",
username);
pool_unref(&pool);
return TRUE;
}
if (array_count(&client->state.rcpt_to) != 0) {
client_send_line(client, "451 4.3.0 <%s> "
"Can't handle mixed proxy/non-proxy destinations",
address);
pool_unref(&pool);
return TRUE;
}
if (client->proxy == NULL) {
struct lmtp_proxy_settings proxy_set;
memset(&proxy_set, 0, sizeof(proxy_set));
proxy_set.my_hostname = client->my_domain;
proxy_set.dns_client_socket_path = dns_client_socket_path;
proxy_set.session_id = client->state.session_id;
proxy_set.source_ip = client->remote_ip;
proxy_set.source_port = client->remote_port;
proxy_set.proxy_ttl = client->proxy_ttl-1;
client->proxy = lmtp_proxy_init(&proxy_set, client->output);
if (client->state.mail_body_8bitmime)
args = " BODY=8BITMIME";
else if (client->state.mail_body_7bit)
args = " BODY=7BIT";
else
args = "";
lmtp_proxy_mail_from(client->proxy, t_strdup_printf(
"<%s>%s", client->state.mail_from, args));
}
if (lmtp_proxy_add_rcpt(client->proxy, address, &set) < 0)
client_send_line(client, ERRSTR_TEMP_REMOTE_FAILURE);
else
client_send_line(client, "250 2.1.5 OK");
pool_unref(&pool);
return TRUE;
}
