Added FreeBSD route capability
diff --git a/sgsnemu/tun.c b/sgsnemu/tun.c
index 06397d1..a19fd5b 100644
--- a/sgsnemu/tun.c
+++ b/sgsnemu/tun.c
@@ -421,7 +421,17 @@
close(fd);
this->addrs++;
- return tun_sifflags(this, IFF_UP | IFF_RUNNING);
+
+ /* On linux the route to the interface is set automatically
+ on FreeBSD we have to do this manually */
+
+#if defined(__FreeBSD__)
+ tun_sifflags(this, IFF_UP | IFF_RUNNING); /* TODO */
+ return tun_addroute(this, addr, addr, netmask);
+#else
+ return tun_sifflags(this, IFF_UP | IFF_RUNNING);
+#endif
+
}
int tun_addroute(struct tun_t *this,
@@ -430,7 +440,8 @@
struct in_addr *mask)
{
- /* TODO: Learn how to set routing table on sun and FreeBSD */
+
+ /* TODO: Learn how to set routing table on sun */
#ifdef __linux__
struct rtentry r;
@@ -461,6 +472,55 @@
}
close(fd);
+#elif defined(__FreeBSD__)
+
+struct {
+ struct rt_msghdr rt;
+ struct sockaddr_in dst;
+ struct sockaddr_in gate;
+ struct sockaddr_in mask;
+} req;
+
+ int fd;
+ struct rt_msghdr *rtm;
+
+ if((fd = socket(AF_ROUTE, SOCK_RAW, 0)) == -1) {
+ sys_err(LOG_ERR, __FILE__, __LINE__, errno,
+ "socket() failed");
+ return -1;
+ }
+
+ memset(&req, 0x00, sizeof(req));
+
+ rtm = &req.rt;
+
+ rtm->rtm_msglen = sizeof(req);
+ rtm->rtm_version = RTM_VERSION;
+ rtm->rtm_type = RTM_ADD;
+ rtm->rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC; /* TODO */
+ rtm->rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
+ rtm->rtm_pid = getpid();
+ rtm->rtm_seq = 0044; /* TODO */
+
+ req.dst.sin_family = AF_INET;
+ req.dst.sin_len = sizeof(req.dst);
+ req.mask.sin_family = AF_INET;
+ req.mask.sin_len = sizeof(req.mask);
+ req.gate.sin_family = AF_INET;
+ req.gate.sin_len = sizeof(req.gate);
+
+ req.dst.sin_addr.s_addr = dst->s_addr;
+ req.mask.sin_addr.s_addr = mask->s_addr;
+ req.gate.sin_addr.s_addr = gateway->s_addr;
+
+ if(write(fd, rtm, rtm->rtm_msglen) < 0) {
+ sys_err(LOG_ERR, __FILE__, __LINE__, errno,
+ "write() failed");
+ close(fd);
+ return -1;
+ }
+ close(fd);
+
#endif
return 0;
@@ -573,6 +633,7 @@
snprintf((*tun)->devname, sizeof((*tun)->devname), "tun%d", devnum);
(*tun)->devname[sizeof((*tun)->devname)] = 0;
+
#endif
return 0;