remove interface route on exit

diff --git a/pppd/sys-linux.c b/pppd/sys-linux.c
index d176edf2d01db235718b7874052fc1bc3758486d..e08652de57a413f14cb4124b55426b8cf8a2bc40 100644 (file)
--- a/pppd/sys-linux.c
+++ b/pppd/sys-linux.c
@@ -66,6 +66,7 @@ static struct termios inittermios;    /* Initial TTY termios */
 static int sockfd;             /* socket for doing interface ioctls */
 
 static int     if_is_up;       /* Interface has been marked up */
+static u_int32_t ipaddrs[2];   /* Local and remote addrs we've set */
 static u_int32_t default_route_gateway;        /* Gateway for default route added */
 static u_int32_t proxy_arp_addr;       /* Addr for proxy arp entry added */
 
@@ -169,6 +170,8 @@ void sys_cleanup()
 
     if (if_is_up)
        sifdown(0);
+    if (ipaddrs[0])
+       cifaddr(0, ipaddrs[0], ipaddrs[1]);
     /* XXX maybe we need to delete the route through the interface */
     if (has_default_route)
        cifdefaultroute(0, default_route_gateway);
@@ -961,6 +964,9 @@ int sifaddr (int unit, int our_adr, int his_adr, int net_mask)
         syslog (LOG_ERR, "ioctl(SIOCADDRT) device route: %m");
         return (0);
       }
+
+    ipaddrs[0] = our_adr;
+    ipaddrs[1] = his_adr;
     return 1;
   }
 
@@ -972,6 +978,8 @@ int sifaddr (int unit, int our_adr, int his_adr, int net_mask)
 int cifaddr (int unit, int our_adr, int his_adr)
   {
     struct rtentry rt;
+
+    ipaddrs[0] = 0;
 /*
  *  Delete the route through the device
  */