From 70c4369e893d6770f0f7b243c3e840c32b5a2a2b Mon Sep 17 00:00:00 2001
From: Jason Edgecombe <jason@rampaginggeek.com>
Date: Fri, 21 Sep 2012 23:14:37 -0400
Subject: [PATCH] TESTS: Add a library to check for the default loopback
 network

Change-Id: Id7bb92345e97309363fa5ddbff9147edf30ccd96
Reviewed-on: http://gerrit.openafs.org/8145
Reviewed-by: Marc Dionne <marc.c.dionne@gmail.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
---
 tests/common/Makefile.in |  5 +++--
 tests/common/common.h    |  4 ++++
 tests/common/network.c   | 44 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100644 tests/common/network.c

diff --git a/tests/common/Makefile.in b/tests/common/Makefile.in
index 11708e1..2909f61 100644
--- a/tests/common/Makefile.in
+++ b/tests/common/Makefile.in
@@ -4,9 +4,10 @@ abs_top_builddir=@abs_top_builddir@
 include @TOP_OBJDIR@/src/config/Makefile.config
 include @TOP_OBJDIR@/src/config/Makefile.pthread
 
-MODULE_CFLAGS=-I$(srcdir)/..
+MODULE_CFLAGS=-I$(srcdir)/.. -I$(srcdir)/../..
+CFLAGS_network.o = -Wno-strict-prototypes
 
-all check test tests:	config.o servers.o ubik.o rxkad.o
+all check test tests:	config.o servers.o ubik.o rxkad.o network.o
 
 clean:
 	rm -f *.o
diff --git a/tests/common/common.h b/tests/common/common.h
index 9782a98..cf19692 100644
--- a/tests/common/common.h
+++ b/tests/common/common.h
@@ -50,3 +50,7 @@ extern int afstest_GetUbikClient(struct afsconf_dir *dir, char *service,
 				 struct rx_securityClass *secClass,
 				 int secIndex,
 				 struct ubik_client **ubikClient);
+
+/* network.c */
+extern int afstest_IsLoopbackNetworkDefault(void);
+extern int afstest_SkipTestsIfLoopbackNetIsDefault(void);
diff --git a/tests/common/network.c b/tests/common/network.c
new file mode 100644
index 0000000..e605b28
--- /dev/null
+++ b/tests/common/network.c
@@ -0,0 +1,44 @@
+#include <afsconfig.h>
+#include <afs/param.h>
+#include <afs/cellconfig.h>
+#include <rx/rx.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <string.h>
+
+#include <tests/tap/basic.h>
+#include "common.h"
+
+extern int h_errno;
+
+/*! Check if the current machine's hostname resolves to the loopback
+ * network.
+ */
+int
+afstest_IsLoopbackNetworkDefault(void) {
+  char hostname[MAXHOSTCHARS];
+  afs_uint32 addr;
+  struct hostent *host;
+
+  gethostname(hostname, sizeof(hostname));
+  host = gethostbyname(hostname);
+  memcpy(&addr, host->h_addr, sizeof(addr));
+
+  return(rx_IsLoopbackAddr(ntohl(addr)));
+}
+
+/*! Skips all TAP tests if the current machine's hostname resolves to the
+ * loopback network.
+ */
+int
+afstest_SkipTestsIfLoopbackNetIsDefault(void) {
+  int retval=0;
+  retval=afstest_IsLoopbackNetworkDefault();
+  if(retval==1) {
+    skip_all("Default IP address is on the loopback network!\n");
+  }
+
+  return retval;
+}
-- 
1.9.4