X-Git-Url: https://git.grml.org/?p=grml-live.git;a=blobdiff_plain;f=etc%2Fgrml%2Ffai%2Fconfig%2Fscripts%2FGRMLBASE%2F49-sshd;fp=etc%2Fgrml%2Ffai%2Fconfig%2Fscripts%2FGRMLBASE%2F49-sshd;h=9f0a82409bcffcb1ebf79dacde373b9f2fa7f9f2;hp=0000000000000000000000000000000000000000;hb=0ad0e8152cdad938120d300ec55104c1a1554b6c;hpb=908cad48a063ba31385f0a23667d23d600b4b818 diff --git a/etc/grml/fai/config/scripts/GRMLBASE/49-sshd b/etc/grml/fai/config/scripts/GRMLBASE/49-sshd new file mode 100755 index 0000000..9f0a824 --- /dev/null +++ b/etc/grml/fai/config/scripts/GRMLBASE/49-sshd @@ -0,0 +1,29 @@ +#!/bin/bash +# Filename: ${GRML_FAI_CONFIG}/config/scripts/GRMLBASE/49-sshd +# Purpose: adjust sshd configuration file +# Authors: grml-team (grml.org), (c) Michael Prokop +# Bug-Reports: see http://grml.org/bugs/ +# License: This file is licensed under the GPL v2 or any later version. +################################################################################ + +set -u +set -e + +if ! [ -r "${target}/etc/ssh/sshd_config" ] ; then + echo "File /etc/ssh/sshd_config doesn't exist, skipping execution of script." + exit 0 +fi + +# make sure root login works, it's set to "without-password" since openssh-server v1:6.6p1-1 +sed -i "s/^\(PermitRootLogin without-password\)/# \1 # disabled via grml-live\nPermitRootLogin yes/" "${target}/etc/ssh/sshd_config" + +# speedup if DNS is broken/unavailable +if grep -q '^UseDNS' "${target}/etc/ssh/sshd_config" ; then + sed -i "s/^\(UseDNS yes\)/# \1 # disabled via grml-live\nUseDNS no/" "${target}/etc/ssh/sshd_config" +else + echo "# Added via grml-live script:" >> "${target}/etc/ssh/sshd_config" + echo "UseDNS no" >> "${target}/etc/ssh/sshd_config" +fi + +## END OF FILE ################################################################# +# vim:ft=sh expandtab ai tw=80 tabstop=4 shiftwidth=2