net/ccnx/files/autoconfig.patch

diff --git csrc/libexec/ccndc-srv.c csrc/libexec/ccndc-srv.c
index f6af4ee..a2483a1 100644
--- csrc/libexec/ccndc-srv.c
+++ csrc/libexec/ccndc-srv.c
@@ -188,10 +188,10 @@ ccndc_query_srv(const unsigned char *domain, int domain_size,
     
     if (hostp) {
         size = strlen(host);
-        *hostp = calloc(1, size);
+        *hostp = calloc(1, size+1);
         if (!*hostp)
             return (-1);
-        strncpy(*hostp, host, size);
+        strncpy(*hostp, host, size+1);
     }
     if (portp) {
         *portp = port;
diff --git csrc/libexec/ccndc.c csrc/libexec/ccndc.c
index ecde5f0..76102ed 100644
--- csrc/libexec/ccndc.c
+++ csrc/libexec/ccndc.c
@@ -580,9 +580,11 @@ ccndc_srv(struct ccndc_data *self,
     int port = 0;
     char port_str[10];
     struct ccn_charbuf *uri;
+    struct ccn_charbuf *uri_auto;
     struct ccn_face_instance *face;
     struct ccn_face_instance *newface;
     struct ccn_forwarding_entry *prefix;
+    struct ccn_forwarding_entry *prefix_auto;
     int res;
     
     res = ccndc_query_srv(domain, domain_size, &host, &port, &proto);
@@ -649,12 +651,29 @@ ccndc_srv(struct ccndc_data *self,
     if (res < 0) {
         ccndc_warn(__LINE__, "Cannot register prefix [%s]\n", ccn_charbuf_as_string(uri));
     }
+
+    uri_auto = ccn_charbuf_create();
+    ccn_charbuf_append_string(uri_auto, "ccnx:/autoconf-route");
+    prefix_auto = parse_ccn_forwarding_entry(self, ccn_charbuf_as_string(uri_auto), NULL,
+                                        self->lifetime);
+    if (prefix_auto == NULL) {
+        res = -1;
+        goto Cleanup;
+    }
+
+    prefix_auto->faceid = prefix->faceid;
+    res = ccndc_do_prefix_action(self, "prefixreg", prefix_auto);
+    if (res < 0) {
+        ccndc_warn(__LINE__, "Cannot register prefix_auto [%s]\n", ccn_charbuf_as_string(uri_auto));
+    }
     
 Cleanup:
-    free(uri);
     free(host);
+    ccn_charbuf_destroy(&uri);
+    ccn_charbuf_destroy(&uri_auto);
     ccn_face_instance_destroy(&face);
     ccn_forwarding_entry_destroy(&prefix);
+    ccn_forwarding_entry_destroy(&prefix_auto);
     return res;
 }
 
diff --git csrc/util/ccnd-autoconfig.sh csrc/util/ccnd-autoconfig.sh
new file mode 100755
index 0000000..48ec9fc
--- /dev/null
+++ csrc/util/ccnd-autoconfig.sh
@@ -0,0 +1,55 @@
+# Source file: util/ccnd-autoconfig.sh
+# 
+# Script that tries to (automatically) discover of a local ccnd gateway
+#
+# Part of the CCNx distribution.
+#
+# Copyright (C) 2012 Palo Alto Research Center, Inc.
+#
+# This work is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License version 2 as published by the
+# Free Software Foundation.
+# This work is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.
+
+# This script should be installed in the same place as ccnd, ccndc, ccndsmoketest, ...
+# adjust the path to get consistency.
+D=`dirname "$0"`
+export PATH="$D:$PATH"
+
+ccndstatus | grep 224.0.23.170:59695 > /dev/null
+MCAST_EXISTED=$?
+
+# Removing any previously created (either by this script or ccndc srv command) default route
+for i in `ccndstatus | grep "ccnx:/autoconf-route face" | awk '{print $3}'`; do 
+   ccndc del / face $i
+   ccndc del /autoconf-route face $i
+done
+
+# Set temporary multicast face
+ccndc -t 10 add "/local/ndn" udp  224.0.23.170 59695 
+
+# Get info from local hub, if available
+info=`ccncat -s 2 /local/ndn/udp`
+if [ "x$info" = "x" ]; then
+   echo "Local hub is not availble, trying to use DNS to get local configuration"
+   # Try to use DNS search list to get default route information
+   ccndc srv
+
+   if [ $MCAST_EXISTED -eq 1 ]; then
+      # destroying multicast face
+      ccndstatus | grep 224.0.23.170:59695 | awk '{print $2}' | xargs ccndc destroy face
+   fi
+   exit 1
+fi
+
+echo Setting default route to a local hub: "$info"
+echo "$info" | xargs ccndc add / udp
+echo "$info" | xargs ccndc add /autoconf-route udp
+
+if [ $MCAST_EXISTED -eq 1 ]; then
+   # destroying multicast face
+   ccndstatus | grep 224.0.23.170:59695 | awk '{print $2}' | xargs ccndc destroy face
+fi
+
diff --git csrc/util/ccnd-publish-local-info.sh csrc/util/ccnd-publish-local-info.sh
new file mode 100755
index 0000000..b433f69
--- /dev/null
+++ csrc/util/ccnd-publish-local-info.sh
@@ -0,0 +1,34 @@
+# Source file: util/ccnd-autoconfig.sh
+# 
+# Script to publish information about local ccnd gateway in local repo (should be run only on ccnd gateway nodes)
+#
+# Part of the CCNx distribution.
+#
+# Copyright (C) 2012 Palo Alto Research Center, Inc.
+#
+# This work is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License version 2 as published by the
+# Free Software Foundation.
+# This work is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.
+
+# This script should be installed in the same place as ccnd, ccndc, ccndsmoketest, ...
+# adjust the path to get consistency.
+D=`dirname "$0"`
+export PATH="$D:$PATH"
+
+#
+
+udp_face_info=$1
+local_prefix=$2
+
+if [ "x$udp_face_info" = "x" -o "x$local_prefix" = "x" ]; then
+   echo "Usage: "
+   echo "      " $0 " <udp_face_info> <routable_prefix>"
+   exit 1
+fi
+
+echo $udp_face_info | ccnseqwriter -c 1 -r -x 5 "/local/ndn/udp"
+echo $local_prefix  | ccnseqwriter -c 1 -r -x 5 "/local/ndn/prefix"
+
diff --git csrc/util/dir.mk csrc/util/dir.mk
index f29038f..94bc7b6 100644
--- csrc/util/dir.mk
+++ csrc/util/dir.mk
@@ -14,8 +14,10 @@
 
 SCRIPTSRC = shebang \
 	ccndstart.sh ccndstop.sh ccndstatus.sh ccndlogging.sh ccnget.sh ccnput.sh \
-	ccntestloop-trampoline
-PROGRAMS = ccndstart ccndstop ccndstatus ccntestloop ccndlogging ccnget ccnput
+	ccntestloop-trampoline \
+	ccnd-autoconfig.sh ccnd-publish-local-info.sh
+
+PROGRAMS = ccndstart ccndstop ccndstatus ccntestloop ccndlogging ccnget ccnput ccnd-autoconfig ccnd-publish-local-info
 INSTALLED_PROGRAMS = $(PROGRAMS)
 
 default all: $(SCRIPTSRC) $(PROGRAMS)