only poll clifd if successfully bound

[l2tpns.git] / l2tpns.c

diff --git a/l2tpns.c b/l2tpns.c
index 5c7289c..b181ca4 100644 (file)
--- a/l2tpns.c
+++ b/l2tpns.c
@@ -4,7 +4,7 @@
 // Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
 // vim: sw=8 ts=8
 
-char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.160 2006/04/13 11:14:35 bodea Exp $";
+char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.162 2006/04/23 23:18:31 bodea Exp $";
 
 #include <arpa/inet.h>
 #include <assert.h>
@@ -2381,12 +2381,12 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
                                                        disc_reason = "Administrative disconnect";
                                                        break;
                                                case 3: // lcp terminate
-                                                       if (dir != 1) break; // 1=peer, 2=local
+                                                       if (dir != 2) break; // 1=peer (LNS), 2=local (LAC)
                                                        disc_cause = TERM_USER_REQUEST;
                                                        disc_reason = "Normal disconnection";
                                                        break;
                                                case 4: // compulsory encryption unavailable
-                                                       if (dir != 2) break; // 1=refused by peer, 2=local
+                                                       if (dir != 1) break; // 1=refused by peer, 2=local
                                                        disc_cause = TERM_USER_ERROR;
                                                        disc_reason = "Compulsory encryption refused";
                                                        break;
@@ -3255,9 +3255,12 @@ static void mainloop(void)
                e.events = EPOLLIN;
                i = 0;
 
-               d[i].type = FD_TYPE_CLI;
-               e.data.ptr = &d[i++];
-               epoll_ctl(epollfd, EPOLL_CTL_ADD, clifd, &e);
+               if (clifd >= 0)
+               {
+                       d[i].type = FD_TYPE_CLI;
+                       e.data.ptr = &d[i++];
+                       epoll_ctl(epollfd, EPOLL_CTL_ADD, clifd, &e);
+               }
 
                d[i].type = FD_TYPE_CLUSTER;
                e.data.ptr = &d[i++];