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https://github.com/freebsd/freebsd-src
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a91a246563
This release contains mostly bugfixes. It also makes support for the DSA signature algorithm a compile-time option, with plans to disable it upstream later this year and remove support entirely in 2025. Full release notes at https://www.openssh.com/txt/release-9.7 Relnotes: Yes Sponsored by: The FreeBSD Foundation
112 lines
2.8 KiB
Bash
112 lines
2.8 KiB
Bash
# $OpenBSD: dynamic-forward.sh,v 1.17 2024/03/08 11:34:10 dtucker Exp $
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# Placed in the Public Domain.
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tid="dynamic forwarding"
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# This is a reasonable proxy for IPv6 support.
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if ! config_defined HAVE_STRUCT_IN6_ADDR ; then
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SKIP_IPV6=yes
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fi
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FWDPORT=`expr $PORT + 1`
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make_tmpdir
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CTL=${SSH_REGRESS_TMP}/ctl-sock
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cp $OBJ/ssh_config $OBJ/ssh_config.orig
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proxycmd="$OBJ/netcat -x 127.0.0.1:$FWDPORT -X"
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trace "will use ProxyCommand $proxycmd"
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start_ssh() {
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direction="$1"
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arg="$2"
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n=0
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error="1"
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# Use a multiplexed ssh so we can control its lifecycle.
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trace "start dynamic -$direction forwarding, fork to background"
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(cat $OBJ/ssh_config.orig ; echo "$arg") > $OBJ/ssh_config
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${REAL_SSH} -vvvnNfF $OBJ/ssh_config -E$TEST_SSH_LOGFILE \
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-$direction $FWDPORT -oExitOnForwardFailure=yes \
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-oControlMaster=yes -oControlPath=$CTL somehost
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r=$?
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test $r -eq 0 || fatal "failed to start dynamic forwarding $r"
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if ! ${REAL_SSH} -qF$OBJ/ssh_config -O check \
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-oControlPath=$CTL somehost >/dev/null 2>&1 ; then
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fatal "forwarding ssh process unresponsive"
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fi
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}
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stop_ssh() {
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test -S $CTL || return
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if ! ${REAL_SSH} -qF$OBJ/ssh_config -O exit \
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-oControlPath=$CTL >/dev/null somehost >/dev/null ; then
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fatal "forwarding ssh process did not respond to close"
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fi
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n=0
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while [ "$n" -lt 20 ] ; do
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test -S $CTL || break
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sleep 1
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n=`expr $n + 1`
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done
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if test -S $CTL ; then
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fatal "forwarding ssh process did not exit"
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fi
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}
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check_socks() {
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direction=$1
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expect_success=$2
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for s in 4 5; do
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for h in 127.0.0.1 localhost; do
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trace "testing ssh socks version $s host $h (-$direction)"
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${REAL_SSH} -q -F $OBJ/ssh_config -o \
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"ProxyCommand ${TEST_SHELL} -c '${proxycmd}${s} $h $PORT 2>/dev/null'" \
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somehost cat ${DATA} > ${COPY}
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r=$?
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if [ "x$expect_success" = "xY" ] ; then
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if [ $r -ne 0 ] ; then
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fail "ssh failed with exit status $r"
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fi
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test -f ${COPY} || fail "failed copy ${DATA}"
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cmp ${DATA} ${COPY} || fail "corrupted copy of ${DATA}"
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elif [ $r -eq 0 ] ; then
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fail "ssh unexpectedly succeeded"
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fi
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done
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done
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}
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start_sshd
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trap "stop_ssh" EXIT
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for d in D R; do
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verbose "test -$d forwarding"
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start_ssh $d
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check_socks $d Y
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stop_ssh
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test "x$d" = "xR" || continue
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# Test PermitRemoteOpen
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verbose "PermitRemoteOpen=any"
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start_ssh $d PermitRemoteOpen=any
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check_socks $d Y
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stop_ssh
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verbose "PermitRemoteOpen=none"
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start_ssh $d PermitRemoteOpen=none
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check_socks $d N
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stop_ssh
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verbose "PermitRemoteOpen=explicit"
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permit="127.0.0.1:$PORT [::1]:$PORT localhost:$PORT"
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test -z "$SKIP_IPV6" || permit="127.0.0.1:$PORT localhost:$PORT"
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start_ssh $d PermitRemoteOpen="$permit"
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check_socks $d Y
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stop_ssh
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verbose "PermitRemoteOpen=disallowed"
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permit="127.0.0.1:1 [::1]:1 localhost:1"
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test -z "$SKIP_IPV6" || permit="127.0.0.1:1 localhost:1"
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start_ssh $d PermitRemoteOpen="$permit"
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check_socks $d N
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stop_ssh
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done
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