kumquat-buildroot/package/dropbear/S50dropbear
Yann E. MORIN 29a0f05579 package/dropbear: fix when readlink is from busybox
Busybox "readlink -f" does not canonicalise paths when the target is
missing, while coreutils do.

Fix that by:
  - making an absolute symlink
  - dropping "-f" when calling readlink

Fixes #8276.

Reported-by: Jason Tang <tang@jtang.org>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Jason Tang <tang@jtang.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2015-08-24 17:06:06 +02:00

60 lines
1.2 KiB
Bash

#!/bin/sh
#
# Starts dropbear sshd.
#
# Allow a few customizations from a config file
test -r /etc/default/dropbear && . /etc/default/dropbear
start() {
DROPBEAR_ARGS="$DROPBEAR_ARGS -R"
echo -n "Starting dropbear sshd: "
umask 077
# If /etc/dropbear is a symlink to /var/run/dropbear, and
# - the filesystem is RO (i.e. we can not rm the symlink),
# create the directory pointed to by the symlink.
# - the filesystem is RW (i.e. we can rm the symlink),
# replace the symlink with an actual directory
if [ -L /etc/dropbear \
-a "$(readlink /etc/dropbear)" = "/var/run/dropbear" ]
then
if rm -f /etc/dropbear; then
mkdir -p /etc/dropbear
else
mkdir -p $(readlink /etc/dropbear)
fi
fi
start-stop-daemon -S -q -p /var/run/dropbear.pid \
--exec /usr/sbin/dropbear -- $DROPBEAR_ARGS
[ $? = 0 ] && echo "OK" || echo "FAIL"
}
stop() {
echo -n "Stopping dropbear sshd: "
start-stop-daemon -K -q -p /var/run/dropbear.pid
[ $? = 0 ] && echo "OK" || echo "FAIL"
}
restart() {
stop
start
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart|reload)
restart
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1
esac
exit $?