Allow linking with multiple device drivers.

[tinc] / src / net_setup.c

diff --git a/src/net_setup.c b/src/net_setup.c
index a11f006..9cf24bf 100644 (file)
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -1,7 +1,7 @@
 /*
     net_setup.c -- Setup.
     Copyright (C) 1998-2005 Ivo Timmermans,
-                  2000-2010 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2011 Guus Sliepen <guus@tinc-vpn.org>
                   2006      Scott Lamb <slamb@slamb.org>
                   2010      Brandon Black <blblack@gmail.com>
 
@@ -45,6 +45,7 @@
 #include "xalloc.h"
 
 char *myport;
+devops_t devops;
 
 bool read_rsa_public_key(connection_t *c) {
        FILE *fp;
@@ -276,7 +277,7 @@ void load_all_subnets(void) {
 static bool setup_myself(void) {
        config_t *cfg;
        subnet_t *subnet;
-       char *name, *hostname, *mode, *afname, *cipher, *digest;
+       char *name, *hostname, *mode, *afname, *cipher, *digest, *type;
        char *fname = NULL;
        char *address = NULL;
        char *envp[5];
@@ -539,7 +540,28 @@ static bool setup_myself(void) {
 
        /* Open device */
 
-       if(!setup_device())
+       if(get_config_string(lookup_config(config_tree, "DeviceType"), &type)) {
+               if(!strcasecmp(type, "dummy"))
+                       devops = dummy_devops;
+               else if(!strcasecmp(type, "raw_socket"))
+                       devops = raw_socket_devops;
+#ifdef ENABLE_UML
+               else if(!strcasecmp(type, "uml"))
+                       devops = uml_devops;
+#endif
+#ifdef ENABLE_VDE
+               else if(!strcasecmp(type, "vde"))
+                       devops = vde_devops;
+#endif
+               else {
+                       logger(LOG_ERR, "Unknown device type %s!", type);
+                       return false;
+               }
+       } else {
+               devops = os_devops;
+       }
+
+       if(!devops.setup())
                return false;
 
        /* Run tinc-up script to further initialize the tap interface */
@@ -702,7 +724,7 @@ void close_network_connections(void) {
        for(i = 0; i < 4; i++)
                free(envp[i]);
 
-       close_device();
+       devops.close();
 
        return;
 }