3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 SSHD_CONFIG
="/etc/ssh/sshd_config"
17 # ensure that there is a trailing newline before attempting to concatenate
18 sed -i -e '$a\' "$SSHD_CONFIG"
21 if grep -q -E "^[[:space:]]*UseDNS" "$SSHD_CONFIG"; then
22 sed -i "s/^\s*UseDNS.*/${USEDNS}/" "$SSHD_CONFIG"
24 echo "$USEDNS" >>"$SSHD_CONFIG"
27 GSSAPI="GSSAPIAuthentication no"
28 if grep -q -E "^[[:space:]]*GSSAPIAuthentication" "$SSHD_CONFIG"; then
29 sed -i "s/^\s*GSSAPIAuthentication.*/${GSSAPI}/" "$SSHD_CONFIG"
31 echo "$GSSAPI" >>"$SSHD_CONFIG"