[PATCH] tests: Fall back on host/getent in ts_resolve_host

[Andreas Henriksson <andreas@fatal.se>]

Neither dig or nslookup would be my first option for resolving,
so add the host utility of ISC/bind fame and the (slow) getent
utility shipped with libc.

This extends the conditions introduced in ...

  commit a98de9696e1a898f925c9154e5693e73aec0779d
  Author: Ruediger Meier <ruediger.meier@ga-group.nl>
  Date:   Wed Jun 11 19:28:20 2014 +0200

      tests: skip some last tests if no dns support

... and should help us not skip certain tests when we have
network connection but none of dig or nslookup available.

Signed-off-by: Andreas Henriksson <andreas@fatal.se>
---
 tests/functions.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/functions.sh b/tests/functions.sh
index 6998343..59107b0 100644
--- a/tests/functions.sh
+++ b/tests/functions.sh
@@ -635,6 +635,12 @@ function ts_resolve_host {
 	elif type "nslookup" >/dev/null 2>&1; then
 		tmp=$(nslookup "$host" 2>/dev/null) || return 1
 		tmp=$(echo "$tmp"| grep -A1 "^Name:"| grep "^Address:"| cut -d" " -f2)
+	elif type "host" >/dev/null 2>&1; then
+		tmp=$(host "$host" 2>/dev/null) || return 1
+		tmp=$(echo "$tmp" | grep " has address " | cut -d " " -f4)
+	elif type "getent" >/dev/null 2>&1; then
+		tmp=$(getent ahosts "$host" 2>/dev/null) || return 1
+		tmp=$(echo "$tmp" | cut -d " " -f 1 | sort -u)
 	fi
 
 	# we return 1 if tmp is empty
-- 
2.0.1