Add VPNC, a Cisco-compatible VPN client.

svn path=/nixpkgs/trunk/; revision=10618

pkgs/tools/networking/vpnc/default.nix

@@ -0,0 +1,19 @@
+{stdenv, fetchurl, libgcrypt, perl}:
+
+stdenv.mkDerivation {
+  name = "vpnc-0.5.1";
+  src = fetchurl {
+    url = http://www.unix-ag.uni-kl.de/~massar/vpnc/vpnc-0.5.1.tar.gz;
+    sha256 = "f63660bd020bbe6a39e8eb67ad60c54d719046c6198a6834371d098947f9a2ed";
+  };
+
+  patches = [ ./makefile.patch ];
+
+  buildInputs = [libgcrypt perl];
+
+  meta = {
+    description = "VPNC, a virtual private network (VPN) client for Cisco's VPN concentrators";
+    homepage = http://www.unix-ag.uni-kl.de/~massar/vpnc/;
+    license = "GPL";
+  };
+}

pkgs/tools/networking/vpnc/makefile.patch

@@ -0,0 +1,22 @@
+--- vpnc-0.5.1.orig/Makefile	2008-02-10 22:22:43.000000000 +0100
++++ vpnc-0.5.1/Makefile	2008-02-10 22:22:32.000000000 +0100
+@@ -20,8 +20,8 @@
+ # $Id: Makefile 236 2007-09-05 20:40:59Z Joerg Mayer $
+ 
+ DESTDIR=
+-PREFIX=/usr/local
+-ETCDIR=/etc/vpnc
++PREFIX=$(out)
++ETCDIR=$(out)/etc/vpnc
+ BINDIR=$(PREFIX)/bin
+ SBINDIR=$(PREFIX)/sbin
+ MANDIR=$(PREFIX)/share/man
+@@ -71,7 +71,7 @@
+ 	$(CC) -o $@ $^ $(LDFLAGS)
+ 
+ vpnc.8 : vpnc.8.template makeman.pl vpnc
+-	./makeman.pl
++	perl makeman.pl
+ 
+ cisco-decrypt : cisco-decrypt.o config.o supp.o sysdep.o vpnc-debug.o
+ 	$(CC) -o $@ $^ $(LDFLAGS)

pkgs/top-level/all-packages.nix

@@ -833,6 +833,10 @@ rec {
     inherit fetchurl stdenv ncurses;
   };
 
+  vpnc = import ../tools/networking/vpnc {
+    inherit fetchurl stdenv libgcrypt perl;
+  };
+
   testdisk = import ../tools/misc/testdisk {
     inherit fetchurl stdenv ncurses libjpeg e2fsprogs zlib openssl;
   };