Fix server reconnection

In some error cases conn_id will be left as SERVER_WAIT and
subsequently ignored in Check_Servers(). Ensure conn_id is set to
NONE before returning from New_Server() if we couldn't establish
the connection.

Prompted by a report from gabrielgi-at-gmail-dot-com.

diff --git a/src/ngircd/conn.c b/src/ngircd/conn.c
index 3b0927872374fccddf3fd9de63ef22b8f4e6524a..324fa4219a9d204723572e1eeb8fbf8ea1badbee 100644 (file)
--- a/src/ngircd/conn.c
+++ b/src/ngircd/conn.c
@@ -2131,6 +2131,7 @@ New_Server( int Server , ng_ipaddr_t *dest)
 
        if (!ng_ipaddr_tostr_r(dest, ip_str)) {
                Log(LOG_WARNING, "New_Server: Could not convert IP to string");
+               Conf_Server[Server].conn_id = NONE;
                return;
        }
 
@@ -2145,11 +2146,14 @@ New_Server( int Server , ng_ipaddr_t *dest)
        if (new_sock < 0) {
                Log(LOG_CRIT, "Can't create socket (af %d): %s!",
                    af_dest, strerror(errno));
+               Conf_Server[Server].conn_id = NONE;
                return;
        }
 
-       if (!Init_Socket(new_sock))
+       if (!Init_Socket(new_sock)) {
+               Conf_Server[Server].conn_id = NONE;
                return;
+       }
 
        /* is a bind address configured? */
        res = ng_ipaddr_af(&Conf_Server[Server].bind_addr);
@@ -2165,6 +2169,7 @@ New_Server( int Server , ng_ipaddr_t *dest)
        if(( res != 0 ) && ( errno != EINPROGRESS )) {
                Log( LOG_CRIT, "Can't connect socket: %s!", strerror( errno ));
                close( new_sock );
+               Conf_Server[Server].conn_id = NONE;
                return;
        }
 
@@ -2173,12 +2178,14 @@ New_Server( int Server , ng_ipaddr_t *dest)
                    "Cannot allocate memory for server connection (socket %d)",
                    new_sock);
                close( new_sock );
+               Conf_Server[Server].conn_id = NONE;
                return;
        }
 
        if (!io_event_create( new_sock, IO_WANTWRITE, cb_connserver)) {
                Log(LOG_ALERT, "io_event_create(): could not add fd %d", strerror(errno));
                close(new_sock);
+               Conf_Server[Server].conn_id = NONE;
                return;
        }
 
@@ -2193,6 +2200,7 @@ New_Server( int Server , ng_ipaddr_t *dest)
        if (!c) {
                Log( LOG_ALERT, "Can't establish connection: can't create client structure!" );
                io_close(new_sock);
+               Conf_Server[Server].conn_id = NONE;
                return;
        }