#89, use remote ip as second ip in ifconfig on FreeBSD

src/client.c

@@ -1492,7 +1492,7 @@ handshake_login(int dns_fd, int seed)
 					
 					server[64] = 0;
 					client[64] = 0;
-					if (tun_setip(client, netmask) == 0 && 
+					if (tun_setip(client, server, netmask) == 0 && 
 						tun_setmtu(mtu) == 0) {
 
 						fprintf(stderr, "Server tunnel IP is %s\n", server);

src/iodined.c

@@ -2409,12 +2409,14 @@ main(int argc, char **argv)
 			read_password(password, sizeof(password));
 	}
 
+	created_users = init_users(my_ip, netmask);
+
 	if ((tun_fd = open_tun(device)) == -1) {
 		retval = 1;
 		goto cleanup0;
 	}
 	if (!skipipconfig) {
-		if (tun_setip(argv[0], netmask) != 0 || tun_setmtu(mtu) != 0) {
+		if (tun_setip(argv[0], users_get_first_ip(), netmask) != 0 || tun_setmtu(mtu) != 0) {
 			retval = 1;
 			goto cleanup1;
 		}
@@ -2431,8 +2433,6 @@ main(int argc, char **argv)
 	}
 
 	my_mtu = mtu;
-
-	created_users = init_users(my_ip, netmask);
 	
 	if (created_users < USERS) {
 		fprintf(stderr, "Limiting to %d simultaneous users because of netmask /%d\n",

src/tun.c

@@ -426,7 +426,7 @@ read_tun(int tun_fd, char *buf, size_t len)
 }
 
 int
-tun_setip(const char *ip, int netbits)
+tun_setip(const char *ip, const char *remoteip, int netbits)
 {
 	char cmdline[512];
 	int netmask;
@@ -458,7 +458,11 @@ tun_setip(const char *ip, int netbits)
 			"/sbin/ifconfig %s %s %s netmask %s",
 			if_name,
 			ip,
+#ifdef FREEBSD
+			remoteip, /* FreeBSD wants other IP as second IP */
+#else
 			ip,
+#endif
 			inet_ntoa(net));
 	
 	fprintf(stderr, "Setting IP of %s to %s\n", if_name, ip);

src/tun.h

@@ -21,7 +21,7 @@ int open_tun(const char *);
 void close_tun(int);
 int write_tun(int, char *, size_t);
 ssize_t read_tun(int, char *, size_t);
-int tun_setip(const char *, int);
+int tun_setip(const char *, const char *, int);
 int tun_setmtu(const unsigned);
 
 #endif /* _TUN_H_ */

src/user.c

@@ -85,6 +85,14 @@ init_users(in_addr_t my_ip, int netbits)
 	return created_users;
 }
 
+const char*
+users_get_first_ip()
+{
+	struct in_addr ip;
+	ip.s_addr = users[0].tun_ip;
+	return inet_ntoa(ip);
+}
+
 int
 users_waiting_on_reply()
 {

src/user.h

@@ -76,6 +76,7 @@ struct user {
 extern struct user users[USERS];
 
 int init_users(in_addr_t, int);
+const char* users_get_first_ip();
 int users_waiting_on_reply();
 int find_user_by_ip(uint32_t);
 int all_users_waiting_to_send();