socket,rdma: before binding to any port check if it is a reserved port

* The list of ports which are reserved is obtained by reading the file
  /proc/sys/net/ipv4/ip_local_reserved_ports.

Change-Id: I3a832f53efbb79dd719b34a30cbaf28269f25816
BUG: 762989
Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
Reviewed-on: http://review.gluster.org/4131
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/bugs/bug-762989.t b/tests/bugs/bug-762989.t
new file mode 100755
index 00000000000..386aec1cd47
--- /dev/null
+++ b/tests/bugs/bug-762989.t
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+
+cleanup;
+
+## reserve port 1023
+older_ports=$(cat /proc/sys/net/ipv4/ip_local_reserved_ports);
+echo "1023" > /proc/sys/net/ipv4/ip_local_reserved_ports;
+
+## Start and create a volume
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume info;
+
+TEST $CLI volume create $V0 replica 2 stripe 2 $H0:$B0/${V0}{1,2,3,4,5,6,7,8};
+
+TEST $CLI volume start $V0;
+
+TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id $V0 \
+$M0;
+
+## Wait for volume to register with rpc.mountd
+sleep 6;
+## check if port 1023 (which has been reserved) is used by the gluster processes
+op=$(netstat -antlp | grep gluster | grep 1023);
+EXPECT "" echo $op;
+
+#set the reserved ports to the older values
+echo $older_ports > /proc/sys/net/ipv4/ip_local_reserved_ports
+
+cleanup;