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8cb3587336
[regress/cfgmatch.sh]
include testing of multiple/overridden AuthorizedKeysFiles
refactor to simply daemon start/stop and get rid of racy constructs
128 lines
3.8 KiB
Bash
128 lines
3.8 KiB
Bash
# $OpenBSD: cfgmatch.sh,v 1.5 2011/05/23 03:31:31 djm Exp $
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# Placed in the Public Domain.
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tid="sshd_config match"
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pidfile=$OBJ/remote_pid
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fwdport=3301
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fwd="-L $fwdport:127.0.0.1:$PORT"
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echo "ExitOnForwardFailure=yes" >> ssh_config
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echo "ExitOnForwardFailure=yes" >> ssh_proxy
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start_client()
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{
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rm -f $pidfile
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${SSH} -q -$p $fwd "$@" somehost \
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exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' \
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>>$TEST_SSH_LOGFILE 2>&1 &
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client_pid=$!
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# Wait for remote end
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n=0
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while test ! -f $pidfile ; do
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sleep 1
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n=`expr $n + 1`
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if test $n -gt 60; then
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kill $client_pid
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fatal "timeout waiting for background ssh"
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fi
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done
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}
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stop_client()
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{
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pid=`cat $pidfile`
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if [ ! -z "$pid" ]; then
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kill $pid
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sleep 1
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fi
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wait
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}
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cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
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grep -v AuthorizedKeysFile $OBJ/sshd_proxy_bak > $OBJ/sshd_proxy
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echo "AuthorizedKeysFile /dev/null" >>$OBJ/sshd_proxy
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echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_config
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echo "Match user $USER" >>$OBJ/sshd_proxy
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echo "AuthorizedKeysFile /dev/null $OBJ/authorized_keys_%u" >>$OBJ/sshd_proxy
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echo "Match Address 127.0.0.1" >>$OBJ/sshd_config
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echo "PermitOpen 127.0.0.1:$PORT" >>$OBJ/sshd_config
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echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_proxy
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echo "Match Address 127.0.0.1" >>$OBJ/sshd_proxy
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echo "PermitOpen 127.0.0.1:$PORT" >>$OBJ/sshd_proxy
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start_sshd
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#set -x
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# Test Match + PermitOpen in sshd_config. This should be permitted
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for p in 1 2; do
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trace "match permitopen localhost proto $p"
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start_client -F $OBJ/ssh_config
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${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
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fail "match permitopen permit proto $p"
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stop_client
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done
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# Same but from different source. This should not be permitted
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for p in 1 2; do
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trace "match permitopen proxy proto $p"
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start_client -F $OBJ/ssh_proxy
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${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
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fail "match permitopen deny proto $p"
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stop_client
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done
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# Retry previous with key option, should also be denied.
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echon 'permitopen="127.0.0.1:'$PORT'" ' >$OBJ/authorized_keys_$USER
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cat $OBJ/rsa.pub >> $OBJ/authorized_keys_$USER
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echon 'permitopen="127.0.0.1:'$PORT'" ' >>$OBJ/authorized_keys_$USER
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cat $OBJ/rsa1.pub >> $OBJ/authorized_keys_$USER
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for p in 1 2; do
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trace "match permitopen proxy w/key opts proto $p"
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start_client -F $OBJ/ssh_proxy
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${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
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fail "match permitopen deny w/key opt proto $p"
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stop_client
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done
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# Test both sshd_config and key options permitting the same dst/port pair.
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# Should be permitted.
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for p in 1 2; do
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trace "match permitopen localhost proto $p"
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start_client -F $OBJ/ssh_config
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${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
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fail "match permitopen permit proto $p"
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stop_client
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done
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cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
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echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
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echo "Match User $USER" >>$OBJ/sshd_proxy
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echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
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# Test that a Match overrides a PermitOpen in the global section
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for p in 1 2; do
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trace "match permitopen proxy w/key opts proto $p"
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start_client -F $OBJ/ssh_proxy
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${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
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fail "match override permitopen proto $p"
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stop_client
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done
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cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
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echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
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echo "Match User NoSuchUser" >>$OBJ/sshd_proxy
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echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
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# Test that a rule that doesn't match doesn't override, plus test a
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# PermitOpen entry that's not at the start of the list
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for p in 1 2; do
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trace "nomatch permitopen proxy w/key opts proto $p"
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start_client -F $OBJ/ssh_proxy
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${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
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fail "nomatch override permitopen proto $p"
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stop_client
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done
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