diff options
Diffstat (limited to 'interface.c')
| -rw-r--r-- | interface.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/interface.c b/interface.c index bca8b0e8..0df520f9 100644 --- a/interface.c +++ b/interface.c @@ -138,13 +138,14 @@ static int _get_ifinfo_(int socket_fd, FILE *stats_file, const char *ifname, if (!(request.ifr_flags & IFF_RUNNING)) return(FALSE); - /* get the IP address */ + /* get the (local) IP address */ strcpy(request.ifr_name, ifname); if (ioctl(socket_fd, SIOCGIFADDR, &request) < 0) return(FALSE); ifinfo->addr = ((struct sockaddr_in *) (&request.ifr_addr))->sin_addr; - /* get the PPP destination IP address */ + /* get the PPP destination (remote) IP address */ + ifinfo->dstaddr.s_addr = 0; strcpy(request.ifr_name, ifname); if (ioctl(socket_fd, SIOCGIFDSTADDR, &request) >= 0) ifinfo->dstaddr = ((struct sockaddr_in *) @@ -665,10 +666,20 @@ int interface_approve(struct hostdata *hp, flag domonitor) hp->pollname, hp->interface); return(FALSE); } - /* check the IP address (range) */ - if ((ifinfo.addr.s_addr & - hp->interface_pair->interface_mask.s_addr) != - hp->interface_pair->interface_address.s_addr) { + /* check the IP addresses (range) */ + if (!( + /* check remote IP address */ + ((ifinfo.dstaddr.s_addr != 0) && + (ifinfo.dstaddr.s_addr & + hp->interface_pair->interface_mask.s_addr) == + hp->interface_pair->interface_address.s_addr) + || + /* check local IP address */ + ((ifinfo.addr.s_addr & + hp->interface_pair->interface_mask.s_addr) == + hp->interface_pair->interface_address.s_addr) + ) ) + { (void) report(stdout, _("skipping poll of %s, %s IP address excluded\n"), hp->pollname, hp->interface); |