tests: Add test that Samba cannot be started with a backup DB

[samba.git] / source4 / setup / tests / blackbox_start_backup.sh

diff --git a/source4/setup/tests/blackbox_start_backup.sh b/source4/setup/tests/blackbox_start_backup.sh
new file mode 100755 (executable)
index 0000000..f1cfd53
--- /dev/null
+++ b/source4/setup/tests/blackbox_start_backup.sh
@@ -0,0 +1,79 @@
+#!/bin/sh
+
+# Simple test that a DB from a backup file cannot be untarred and started
+# manually (you have to run the samba-tool 'backup restore' command instead).
+
+if [ $# -lt 1 ]; then
+cat <<EOF
+Usage: $0 PREFIX
+EOF
+exit 1;
+fi
+
+PREFIX="$1"
+shift 1
+
+DBPATH=$PREFIX/start-backup
+mkdir -p $DBPATH
+
+. `dirname $0`/../../../testprogs/blackbox/subunit.sh
+
+do_provision()
+{
+    $PYTHON $BINDIR/samba-tool domain provision \
+           --domain=FOO --realm=foo.example.com --use-ntvfs \
+           --targetdir=$DBPATH --option="pid directory = $DBPATH"
+}
+
+add_backup_marker()
+{
+# manually add the backup marker that the backup cmd usually adds
+    $BINDIR/ldbmodify \
+       -H tdb://$DBPATH/private/sam.ldb <<EOF
+dn: @SAMBA_DSDB
+changetype: modify
+add: backupDate
+backupDate: who-knows-when
+-
+
+EOF
+}
+
+start_backup()
+{
+    # start samba in interactive mode (if we don't, samba daemonizes and so the
+    # command's exit status is always zero (success), regardless of whether
+    # samba actually starts up or not). However, this means if this assertion
+    # were ever to fail (i.e. samba DOES startup from a backup file), then the
+    # test case would just hang. So we use a max-run-time of 5 secs so that
+    # samba will self-destruct in the bad case (max_runtime_handler() returns
+    # zero/success in this case, which allows us to tell the good case from the
+    # bad case).
+    OPTS="--maximum-runtime=5 -i"
+
+    # redirect logs to stderr (which we'll then redirect to stdout so we can
+    # capture it in a bash variable)
+    OPTS="$OPTS --debug-stderr"
+
+    # start samba and capture the debug output
+    OUTPUT=$($BINDIR/samba -s $DBPATH/etc/smb.conf $OPTS 2>&1)
+    if [ $? -eq 0 ] ; then
+        echo "ERROR: Samba should not have started successfully"
+        return 1
+    fi
+
+    # check the reason we're failing is because prime_ldb_databases() is
+    # detecting that this is a backup DB (and not some other reason)
+    echo "$OUTPUT" | grep "failed to start: Database is a backup"
+}
+
+# setup a DB and manually mark it as being a "backup"
+testit "provision" do_provision
+testit "add-backup-marker" add_backup_marker
+
+# check that Samba won't start using this DB (because it's a backup)
+testit "start-samba-backup" start_backup
+
+rm -rf $DBPATH
+
+exit $failed