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#! /bin/sh
set -e
. /usr/share/debconf/confmodule
db_version 2.0
get_config_option() {
option="$1"
[ -f /etc/ssh/sshd_config ] || return
# TODO: actually only one '=' allowed after option
perl -lne '
s/[[:space:]]+/ /g; s/[[:space:]]+$//;
print if s/^[[:space:]]*'"$option"'[[:space:]=]+//i' \
/etc/ssh/sshd_config 2>/dev/null
}
permit_root_login="$(get_config_option PermitRootLogin)" || true
if [ -f /etc/ssh/sshd_config ]; then
# Make sure the debconf database is in sync with the current state
# of the system.
if [ "$permit_root_login" = yes ]; then
db_set openssh-server/permit-root-login false
else
db_set openssh-server/permit-root-login true
fi
fi
if dpkg --compare-versions "$2" lt-nl 1:6.6p1-1 && \
[ "$permit_root_login" = yes ]; then
if [ "$(getent shadow root | cut -d: -f2)" = "!" ]; then
db_set openssh-server/permit-root-login true
else
db_input high openssh-server/permit-root-login || true
db_go
fi
fi
exit 0
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