From e95b8b3fa7f9afac4c91eb41017ef094add43124 Mon Sep 17 00:00:00 2001
From: Raimo Niskanen <raimo@erlang.org>
Date: Thu, 10 Nov 2011 17:08:56 +0100
Subject: Skip inet_res_SUITE tests when external resolver does not start

E.g OpenBSD's (5.0) patched named does not allow itself to be
started without privilige separation, which is only allowed
for the superuser so test suites can not use that named.

Fix the shell script that starts named to detect early exit
from named and inform the Erlang code test suite what happened.
---
 lib/kernel/test/inet_res_SUITE_data/run-named | 33 +++++++++++++++++++--------
 1 file changed, 23 insertions(+), 10 deletions(-)

(limited to 'lib/kernel/test/inet_res_SUITE_data')

diff --git a/lib/kernel/test/inet_res_SUITE_data/run-named b/lib/kernel/test/inet_res_SUITE_data/run-named
index 7caa3756ef..39e7b1d5aa 100755
--- a/lib/kernel/test/inet_res_SUITE_data/run-named
+++ b/lib/kernel/test/inet_res_SUITE_data/run-named
@@ -47,6 +47,7 @@ CONF_FILE=named.conf
 INC_FILE=named_inc.conf
 PID_FILE=named.pid
 LOG_FILE=named.log
+EXIT_FILE=named.exit
 
 error () {
     r=$?
@@ -71,10 +72,14 @@ test -d "$SRCDIR" || \
 test -f "$SRCDIR/$INC_FILE" || \
     error "Missing file: $SRCDIR/$INC_FILE !"
 
-# Locate named and check version
+# Locate named and check version.
+# The bind-named name is used for tricking Apparmor and such
+# by copying/hardlinking the real named to that name.
 NAMED=named
-for n in /usr/sbin/named /usr/sbin/in.named; do
-    test -x "$n" && NAMED="$n"
+for n in /usr/local/bin/bind-named /usr/local/bin/named \
+    /usr/sbin/bind-named /usr/sbin/named /usr/sbin/in.named
+do
+    test -x "$n" && NAMED="$n" && break
 done
 NAMED_VER="`"$NAMED" -v 2>&1`" || \
     error "Name server not found!"
@@ -145,19 +150,27 @@ cat >>"$CONF_FILE" <<-CONF_FILE
 ( cd "$SRCDIR" && ls -1 ) | while read f; do
     cp -fp "$SRCDIR/$f" .
 done
+rm -f "$EXIT_FILE"
 
 # Start nameserver
 echo "Cwd: `pwd`"
 echo "Nameserver: $NAMED_VER"
 echo "Port: $2"
 echo "ZoneDir: $3"
-$NAMED $NAMED_FG -c "$CONF_FILE" >"$LOG_FILE" 2>&1 </dev/null &
-NAMED=$!
-trap "kill -TERM $NAMED >/dev/null 2>&1; wait $NAMED >/dev/null 2>&1" \
+echo "Command: $NAMED $NAMED_FG -c $CONF_FILE"
+($NAMED $NAMED_FG -c "$CONF_FILE" >"$LOG_FILE" 2>&1 </dev/null; \
+ echo "$?" >"$EXIT_FILE")&
+NAMED_PID=$!
+trap "kill -TERM $NAMED_PID >/dev/null 2>&1; wait $NAMED_PID >/dev/null 2>&1" \
     0 1 2 3 15
 sleep 2 # Give name server time to load its zone files
-echo "Running: Enter \`\`quit'' to terminate nameserver[$NAMED]..."
-while read LINE; do 
-    test :"$LINE" = :'quit' && break
-done
+if [ -f "$EXIT_FILE" ]; then
+    ERROR="`cat "$EXIT_FILE"`"
+    (exit "$ERROR")& error "$NAMED returned $ERROR on start"
+else
+    echo "Running: Enter \`\`quit'' to terminate nameserver[$NAMED_PID]..."
+    while read LINE; do
+	test :"$LINE" = :'quit' && break
+    done
+fi
 echo "Closing: Terminating nameserver..."
-- 
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