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dd369320d2
eliminate explicit specification of protocol in tests and loops over protocol. We only support SSHv2 now. Upstream-Regress-ID: 0082838a9b8a382b7ee9cbf0c1b9db727784fadd
167 lines
5.2 KiB
Bash
167 lines
5.2 KiB
Bash
# $OpenBSD: cert-file.sh,v 1.6 2017/04/30 23:34:55 djm Exp $
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# Placed in the Public Domain.
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tid="ssh with certificates"
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rm -f $OBJ/user_ca_key* $OBJ/user_key*
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rm -f $OBJ/cert_user_key*
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# Create a CA key
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${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_ca_key1 ||\
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fatal "ssh-keygen failed"
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${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_ca_key2 ||\
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fatal "ssh-keygen failed"
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# Make some keys and certificates.
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${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_key1 || \
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fatal "ssh-keygen failed"
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${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_key2 || \
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fatal "ssh-keygen failed"
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${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_key3 || \
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fatal "ssh-keygen failed"
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${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_key4 || \
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fatal "ssh-keygen failed"
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${SSHKEYGEN} -q -N '' -t ed25519 -f $OBJ/user_key5 || \
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fatal "ssh-keygen failed"
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# Move the certificate to a different address to better control
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# when it is offered.
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${SSHKEYGEN} -q -s $OBJ/user_ca_key1 -I "regress user key for $USER" \
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-z $$ -n ${USER} $OBJ/user_key1 ||
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fatal "couldn't sign user_key1 with user_ca_key1"
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mv $OBJ/user_key1-cert.pub $OBJ/cert_user_key1_1.pub
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${SSHKEYGEN} -q -s $OBJ/user_ca_key2 -I "regress user key for $USER" \
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-z $$ -n ${USER} $OBJ/user_key1 ||
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fatal "couldn't sign user_key1 with user_ca_key2"
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mv $OBJ/user_key1-cert.pub $OBJ/cert_user_key1_2.pub
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${SSHKEYGEN} -q -s $OBJ/user_ca_key1 -I "regress user key for $USER" \
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-z $$ -n ${USER} $OBJ/user_key3 ||
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fatal "couldn't sign user_key3 with user_ca_key1"
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rm $OBJ/user_key3.pub # to test use of private key w/o public half.
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${SSHKEYGEN} -q -s $OBJ/user_ca_key1 -I "regress user key for $USER" \
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-z $$ -n ${USER} $OBJ/user_key4 ||
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fatal "couldn't sign user_key4 with user_ca_key1"
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rm $OBJ/user_key4 $OBJ/user_key4.pub # to test no matching pub/private key case.
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trace 'try with identity files'
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opts="-F $OBJ/ssh_proxy -oIdentitiesOnly=yes"
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opts2="$opts -i $OBJ/user_key1 -i $OBJ/user_key2"
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echo "cert-authority $(cat $OBJ/user_ca_key1.pub)" > $OBJ/authorized_keys_$USER
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# Make a clean config that doesn't have any pre-added identities.
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cat $OBJ/ssh_proxy | grep -v IdentityFile > $OBJ/no_identity_config
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# XXX: verify that certificate used was what we expect. Needs exposure of
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# keys via enviornment variable or similar.
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# Key with no .pub should work - finding the equivalent *-cert.pub.
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verbose "identity cert with no plain public file"
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${SSH} -F $OBJ/no_identity_config -oIdentitiesOnly=yes \
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-i $OBJ/user_key3 somehost exit 52
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[ $? -ne 52 ] && fail "ssh failed"
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# CertificateFile matching private key with no .pub file should work.
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verbose "CertificateFile with no plain public file"
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${SSH} -F $OBJ/no_identity_config -oIdentitiesOnly=yes \
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-oCertificateFile=$OBJ/user_key3-cert.pub \
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-i $OBJ/user_key3 somehost exit 52
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[ $? -ne 52 ] && fail "ssh failed"
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# Just keys should fail
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verbose "plain keys"
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${SSH} $opts2 somehost exit 52
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r=$?
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if [ $r -eq 52 ]; then
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fail "ssh succeeded with no certs"
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fi
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# Keys with untrusted cert should fail.
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verbose "untrusted cert"
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opts3="$opts2 -oCertificateFile=$OBJ/cert_user_key1_2.pub"
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${SSH} $opts3 somehost exit 52
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r=$?
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if [ $r -eq 52 ]; then
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fail "ssh succeeded with bad cert"
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fi
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# Good cert with bad key should fail.
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verbose "good cert, bad key"
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opts3="$opts -i $OBJ/user_key2"
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opts3="$opts3 -oCertificateFile=$OBJ/cert_user_key1_1.pub"
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${SSH} $opts3 somehost exit 52
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r=$?
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if [ $r -eq 52 ]; then
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fail "ssh succeeded with no matching key"
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fi
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# Keys with one trusted cert, should succeed.
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verbose "single trusted"
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opts3="$opts2 -oCertificateFile=$OBJ/cert_user_key1_1.pub"
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${SSH} $opts3 somehost exit 52
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r=$?
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if [ $r -ne 52 ]; then
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fail "ssh failed with trusted cert and key"
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fi
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# Multiple certs and keys, with one trusted cert, should succeed.
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verbose "multiple trusted"
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opts3="$opts2 -oCertificateFile=$OBJ/cert_user_key1_2.pub"
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opts3="$opts3 -oCertificateFile=$OBJ/cert_user_key1_1.pub"
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${SSH} $opts3 somehost exit 52
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r=$?
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if [ $r -ne 52 ]; then
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fail "ssh failed with multiple certs"
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fi
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#next, using an agent in combination with the keys
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SSH_AUTH_SOCK=/nonexistent ${SSHADD} -l > /dev/null 2>&1
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if [ $? -ne 2 ]; then
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fatal "ssh-add -l did not fail with exit code 2"
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fi
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trace "start agent"
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eval `${SSHAGENT} -s` > /dev/null
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r=$?
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if [ $r -ne 0 ]; then
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fatal "could not start ssh-agent: exit code $r"
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fi
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# add private keys to agent
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${SSHADD} -k $OBJ/user_key2 > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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fatal "ssh-add did not succeed with exit code 0"
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fi
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${SSHADD} -k $OBJ/user_key1 > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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fatal "ssh-add did not succeed with exit code 0"
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fi
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# try ssh with the agent and certificates
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opts="-F $OBJ/ssh_proxy"
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# with no certificates, shoud fail
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${SSH} $opts somehost exit 52
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if [ $? -eq 52 ]; then
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fail "ssh connect with agent in succeeded with no cert"
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fi
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#with an untrusted certificate, should fail
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opts="$opts -oCertificateFile=$OBJ/cert_user_key1_2.pub"
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${SSH} $opts somehost exit 52
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if [ $? -eq 52 ]; then
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fail "ssh connect with agent in succeeded with bad cert"
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fi
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#with an additional trusted certificate, should succeed
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opts="$opts -oCertificateFile=$OBJ/cert_user_key1_1.pub"
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${SSH} $opts somehost exit 52
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if [ $? -ne 52 ]; then
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fail "ssh connect with agent in failed with good cert"
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fi
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trace "kill agent"
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${SSHAGENT} -k > /dev/null
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#cleanup
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rm -f $OBJ/user_ca_key* $OBJ/user_key*
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rm -f $OBJ/cert_user_key*
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