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119 lines
3.2 KiB
Bash
119 lines
3.2 KiB
Bash
# $OpenBSD: key-options.sh,v 1.9 2018/07/03 13:53:26 djm Exp $
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# Placed in the Public Domain.
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tid="key options"
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origkeys="$OBJ/authkeys_orig"
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authkeys="$OBJ/authorized_keys_${USER}"
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cp $authkeys $origkeys
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# Test command= forced command
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for c in 'command="echo bar"' 'no-pty,command="echo bar"'; do
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sed "s/.*/$c &/" $origkeys >$authkeys
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verbose "key option $c"
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r=`${SSH} -q -F $OBJ/ssh_proxy somehost echo foo`
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if [ "$r" = "foo" ]; then
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fail "key option forced command not restricted"
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fi
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if [ "$r" != "bar" ]; then
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fail "key option forced command not executed"
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fi
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done
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# Test no-pty
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expect_pty_succeed() {
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which=$1
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opts=$2
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rm -f $OBJ/data
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sed "s/.*/$opts &/" $origkeys >$authkeys
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verbose "key option pty $which"
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config_defined HAVE_OPENPTY || verbose "skipped for no openpty(3)"
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${SSH} -ttq -F $OBJ/ssh_proxy somehost "tty > $OBJ/data; exit 0"
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if [ $? -ne 0 ] ; then
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fail "key option failed $which"
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else
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r=`cat $OBJ/data`
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case "$r" in
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/dev/*) ;;
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*) fail "key option failed $which (pty $r)" ;;
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esac
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fi
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}
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expect_pty_fail() {
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which=$1
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opts=$2
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rm -f $OBJ/data
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sed "s/.*/$opts &/" $origkeys >$authkeys
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verbose "key option pty $which"
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config_defined HAVE_OPENPTY || verbose "skipped for no openpty(3)"
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${SSH} -ttq -F $OBJ/ssh_proxy somehost "tty > $OBJ/data; exit 0"
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if [ $? -eq 0 ]; then
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r=`cat $OBJ/data`
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if [ -e "$r" ]; then
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fail "key option failed $which (pty $r)"
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fi
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case "$r" in
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/dev/*) fail "key option failed $which (pty $r)" ;;
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*) ;;
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esac
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fi
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}
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# First ensure that we can allocate a pty by default.
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expect_pty_succeed "default" ""
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expect_pty_fail "no-pty" "no-pty"
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expect_pty_fail "restrict" "restrict"
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expect_pty_succeed "restrict,pty" "restrict,pty"
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# Test environment=
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# XXX this can fail if ~/.ssh/environment exists for the user running the test
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echo 'PermitUserEnvironment yes' >> $OBJ/sshd_proxy
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sed 's/.*/environment="FOO=bar" &/' $origkeys >$authkeys
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verbose "key option environment"
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r=`${SSH} -q -F $OBJ/ssh_proxy somehost 'echo $FOO'`
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if [ "$r" != "bar" ]; then
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fail "key option environment not set"
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fi
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# Test from= restriction
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start_sshd
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for f in 127.0.0.1 '127.0.0.0\/8'; do
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cat $origkeys >$authkeys
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${SSH} -q -F $OBJ/ssh_proxy somehost true
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if [ $? -ne 0 ]; then
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fail "key option failed without restriction"
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fi
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sed 's/.*/from="'"$f"'" &/' $origkeys >$authkeys
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from=`head -1 $authkeys | cut -f1 -d ' '`
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verbose "key option $from"
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r=`${SSH} -q -F $OBJ/ssh_proxy somehost 'echo true'`
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if [ "$r" = "true" ]; then
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fail "key option $from not restricted"
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fi
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r=`${SSH} -q -F $OBJ/ssh_config somehost 'echo true'`
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if [ "$r" != "true" ]; then
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fail "key option $from not allowed but should be"
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fi
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done
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check_valid_before() {
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which=$1
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opts=$2
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expect=$3
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sed "s/.*/$opts &/" $origkeys >$authkeys
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verbose "key option expiry-time $which"
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${SSH} -q -F $OBJ/ssh_proxy somehost true
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r=$?
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case "$expect" in
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fail) test $r -eq 0 && fail "key option succeeded $which" ;;
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pass) test $r -ne 0 && fail "key option failed $which" ;;
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*) fatal "unknown expectation $expect" ;;
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esac
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}
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check_valid_before "default" "" "pass"
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check_valid_before "invalid" 'expiry-time="INVALID"' "fail"
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check_valid_before "expired" 'expiry-time="19990101"' "fail"
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check_valid_before "valid" 'expiry-time="20380101"' "pass"
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