From 73f7efddd723b25c1477ec1139dc7211307ff660 Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@tinc-vpn.org>
Date: Fri, 20 Oct 2000 19:46:58 +0000
Subject: [PATCH] - Removed last reference to genauth from Makefile.am - Tinc
 spawns tinc-up and tinc-down scripts which can be used to configure   the
 network device. The environment variable IFNAME is set to the name   of the
 interface.

---
 src/Makefile.am |  4 +---
 src/net.c       | 49 +++++++++++++++++++++++++++++++++++++++++++++++--
 src/tincd.c     |  5 ++---
 3 files changed, 50 insertions(+), 8 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 81e57974..dab09fc2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,5 @@
 ## Produce this file with automake to get Makefile.in
-# $Id: Makefile.am,v 1.4.4.3 2000/10/20 16:49:20 guus Exp $
+# $Id: Makefile.am,v 1.4.4.4 2000/10/20 19:46:57 guus Exp $
 
 sbin_PROGRAMS = tincd
 
@@ -14,8 +14,6 @@ LIBS = @LIBS@ @INTLLIBS@
 tincd_LDADD = \
 	$(top_builddir)/lib/libvpn.a
 
-genauth_LDADD = $(top_builddir)/lib/libvpn.a
-
 localedir = $(datadir)/locale
 
 CFLAGS = @CFLAGS@ -DPKGLIBDIR=$(pkglibdir) -DCONFDIR=\"@sysconfdir@\" -DLOCALEDIR=\"$(localedir)\"
diff --git a/src/net.c b/src/net.c
index 81318e3e..4baefe52 100644
--- a/src/net.c
+++ b/src/net.c
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net.c,v 1.35.4.41 2000/10/20 15:34:35 guus Exp $
+    $Id: net.c,v 1.35.4.42 2000/10/20 19:46:57 guus Exp $
 */
 
 #include "config.h"
@@ -39,6 +39,7 @@
 
 #ifdef HAVE_TUNTAP
 #include <net/if.h>
+#include <linux/sockios.h>
 #include LINUX_IF_TUN_H
 #endif
 
@@ -333,7 +334,8 @@ int setup_tap_fd(void)
   int nfd;
   const char *tapfname;
   config_t const *cfg;
-
+  char *envvar;
+  
 #ifdef HAVE_TUNTAP
   struct ifreq ifr;
 #endif
@@ -369,12 +371,20 @@ cp
   { 
     syslog(LOG_INFO, _("%s is a new style tun/tap device"), tapfname);
     taptype = 1;
+
     if((cfg = get_config_val(config, tapsubnet)) == NULL)
       syslog(LOG_INFO, _("tun/tap device will be left unconfigured"));
     else
       /* Setup inetaddr/netmask etc */;
   }
 #endif
+
+  /* Add name of network interface to environment (for scripts) */
+
+  ioctl(tap_fd, SIOCGIFNAME, (void *) &ifr);
+  asprintf(&envvar, "IFNAME=%s", ifr.ifr_name);
+  putenv(envvar);
+  free(envvar);
   
 cp
   return 0;
@@ -743,6 +753,7 @@ cp
 int setup_network_connections(void)
 {
   config_t const *cfg;
+  char *scriptname;
 cp
   if((cfg = get_config_val(config, pingtimeout)) == NULL)
     timeout = 5;
@@ -755,6 +766,23 @@ cp
   if(setup_myself() < 0)
     return -1;
 
+  /* Run tinc-up script to further initialize the tap interface */
+
+  asprintf(&scriptname, "%s/tinc-up", confbase);
+
+  if(!fork())
+    {
+
+      execl(scriptname, NULL);
+
+      if(errno != ENOENT)
+        syslog(LOG_WARNING, _("Error while executing %s: %m"), scriptname);
+
+      exit(0);
+    }
+
+  free(scriptname);
+
   if((cfg = get_next_config_val(config, connectto, upstreamindex++)) == NULL)
     /* No upstream IP given, we're listen only. */
     return 0;
@@ -781,6 +809,7 @@ cp
 void close_network_connections(void)
 {
   conn_list_t *p;
+  char *scriptname;
 cp
   for(p = conn_list; p != NULL; p = p->next)
     {
@@ -804,6 +833,22 @@ cp
 	close(myself->socket);
       }
 
+  /* Execute tinc-down script right before shutting down the interface */
+
+  asprintf(&scriptname, "%s/tinc-down", confbase);
+
+  if(!fork())
+    {
+      execl(scriptname, NULL);
+
+      if(errno != ENOENT)
+        syslog(LOG_WARNING, _("Error while executing %s: %m"), scriptname);
+
+      exit(0);
+    }
+      
+  free(scriptname);
+
   close(tap_fd);
   destroy_conn_list();
 
diff --git a/src/tincd.c b/src/tincd.c
index f0072522..89519c15 100644
--- a/src/tincd.c
+++ b/src/tincd.c
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: tincd.c,v 1.10.4.13 2000/10/20 16:49:20 guus Exp $
+    $Id: tincd.c,v 1.10.4.14 2000/10/20 19:46:58 guus Exp $
 */
 
 #include "config.h"
@@ -373,7 +373,6 @@ void make_names(void)
     }
   else
     {
-      netname = "bla";
       if(!pidfilename)
         pidfilename = "/var/run/tinc.pid";
       if(!confbase)
@@ -570,7 +569,7 @@ setup_signals(void)
     signal(SIGINT, sigint_handler);
   signal(SIGUSR1, sigusr1_handler);
   signal(SIGUSR2, sigusr2_handler);
-//  signal(SIGCHLD, parent_exit);
+  signal(SIGCHLD, SIG_IGN);
 }
 
 RETSIGTYPE parent_exit(int a)
-- 
2.39.5