reexec.sh

OpenSSH 是 SSH （Secure SHell） 协议的免费开源实现。它用安全、加密的网络连接工具代替了 telnet、ftp、 rlogin、rsh 和 rcp 工具。OpenSSH 支持

#	$OpenBSD: reexec.sh,v 1.5 2004/10/08 02:01:50 djm Exp $
#	Placed in the Public Domain.

tid="reexec tests"

DATA=/bin/ls
COPY=${OBJ}/copy
SSHD_ORIG=$SSHD
SSHD_COPY=$OBJ/sshd

# Start a sshd and then delete it
start_sshd_copy ()
{
	cp $SSHD_ORIG $SSHD_COPY
	SSHD=$SSHD_COPY
	start_sshd
	SSHD=$SSHD_ORIG
}

# Do basic copy tests
copy_tests ()
{
	rm -f ${COPY}
	for p in 1 2; do
		verbose "$tid: proto $p"
		${SSH} -nqo "Protocol=$p" -F $OBJ/ssh_config somehost \
		    cat ${DATA} > ${COPY}
		if [ $? -ne 0 ]; then
			fail "ssh cat $DATA failed"
		fi
		cmp ${DATA} ${COPY}		|| fail "corrupted copy"
		rm -f ${COPY}
	done
}

verbose "test config passing"

cp $OBJ/sshd_config $OBJ/sshd_config.orig
start_sshd
echo "InvalidXXX=no" >> $OBJ/sshd_config

copy_tests

$SUDO kill `cat $PIDFILE`
rm -f $PIDFILE

cp $OBJ/sshd_config.orig $OBJ/sshd_config

verbose "test reexec fallback"

start_sshd_copy
rm -f $SSHD_COPY

copy_tests

$SUDO kill `cat $PIDFILE`
rm -f $PIDFILE

verbose "test reexec fallback without privsep"

cp $OBJ/sshd_config.orig $OBJ/sshd_config
echo "UsePrivilegeSeparation=no" >> $OBJ/sshd_config

start_sshd_copy
rm -f $SSHD_COPY

copy_tests

$SUDO kill `cat $PIDFILE`
rm -f $PIDFILE