make agent/token available also from remotelogin
This commit is contained in:
Jakobus Schürz
parent
d6ba30980a
commit
e0adff87b8
1 changed files with 77 additions and 49 deletions
118
bin/startagent
118
bin/startagent
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@ -42,46 +42,63 @@ EOF
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}
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check_token(){
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loginfo "a P11M: ${P11M}"
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loginfo "a PKCS11_MODULE: ${PKCS11_MODULE}"
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[ -n "${P11M:+x}" ] && export PKCS11_MODULE=${P11M}
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loginfo "b P11M: ${P11M}"
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loginfo "b PKCS11_MODULE: ${PKCS11_MODULE}"
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# it's the same as "token" in functions.sh
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# defined here also, to work also in environments, where functions.sh couldn't be sourced
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[ -z "${PKCS11_MODULE:+x}" ] && { PKCS11_MODULE=$P11M; export PKCS11_MODULE; }
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loginfo "c P11M: ${P11M}"
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loginfo "c PKCS11_MODULE: ${PKCS11_MODULE}"
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# If DISPLAY is set, ssh-add calls ssh-askpass, and if its in remote-terminal, it wont work
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# So remember and unset DISPLAY, and set it at the end again, if it was set before
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[ $DISPLAY ] && local DISPLAY_ORIG=$DISPLAY
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[ $DISPLAY ] && logtrace "unset DISPLAY: $DISPLAY"
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[ $DISPLAY ] && unset DISPLAY
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# Write public keys of all in agent stored keys to a temporary file
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local tmppubkey="$(mktemp -p ${XDG_RUNTIME_DIR} pubkey.XXXXXX.pub)"
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logtrace "tmppubkey: $tmppubkey"
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logdebug "C"
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tmpIFS="${IFS}"
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IFS=$'\n'
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for tmppk in $(ssh-add -L)
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do
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printf "%s" "$tmppk" |tee "${tmppubkey}" || return $?
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#echo "${tmppk}" > $tmppubkey || return $?
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#ssh-add -L > $tmppubkey || return $?
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# Check if public-keys in tmppubkey are working. They are not working, if you removed and add back hardware-token.
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loginfo "$(ssh-add -T ${tmppubkey}|| { ssh-add -e $PKCS11_MODULE; ssh-add -s $PKCS11_MODULE; } )"
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logdebug "$(ssh-add -l )"
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done
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logdebug "$(rm "${tmppubkey}")"
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IFS=$tmpIFS
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unset tmpIFS
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[ $DISPLAY_ORIG ] && logtrace "reset DISPLAY=$DISPLAY_ORIG"
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[ $DISPLAY_ORIG ] && export DISPLAY=$DISPLAY_ORIG
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if [ -e ~/.ssh/ssh_from_remote_auth_sock ]
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then
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logdebug "~/.ssh/ssh_from_remote_auth_sock is link"
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. ~/.ssh/p11m
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local agentfile="${SSH_AGENTS_DIR}/agent-${ssh_identity}-$(hostname)"
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cat << EOF > $agentfile
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SSH_AUTH_SOCK=~/.ssh/ssh_from_remote_auth_sock; export SSH_AUTH_SOCK
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PKCS11_MODULE=${P11M}; export PKCS11_MODULE
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EOF
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# echo $agentfile
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loginfo "$(cat $agentfile)"
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return 0
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else
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logdebug "~/.ssh/ssh_from_remote_auth_sock is broken"
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return 1
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fi
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}
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# loginfo "a P11M: ${P11M}"
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# loginfo "a PKCS11_MODULE: ${PKCS11_MODULE}"
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#
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# [ -n "${P11M:+x}" ] && export PKCS11_MODULE=${P11M}
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# loginfo "b P11M: ${P11M}"
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# loginfo "b PKCS11_MODULE: ${PKCS11_MODULE}"
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# # it's the same as "token" in functions.sh
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# # defined here also, to work also in environments, where functions.sh couldn't be sourced
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# [ -z "${PKCS11_MODULE:+x}" ] && { PKCS11_MODULE=$P11M; export PKCS11_MODULE; }
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#
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# loginfo "c P11M: ${P11M}"
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# loginfo "c PKCS11_MODULE: ${PKCS11_MODULE}"
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# # If DISPLAY is set, ssh-add calls ssh-askpass, and if its in remote-terminal, it wont work
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# # So remember and unset DISPLAY, and set it at the end again, if it was set before
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# [ $DISPLAY ] && local DISPLAY_ORIG=$DISPLAY
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# [ $DISPLAY ] && logtrace "unset DISPLAY: $DISPLAY"
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# [ $DISPLAY ] && unset DISPLAY
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#
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# # Write public keys of all in agent stored keys to a temporary file
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# local tmppubkey="$(mktemp -p ${XDG_RUNTIME_DIR} pubkey.XXXXXX.pub)"
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# logtrace "tmppubkey: $tmppubkey"
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# logdebug "C"
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# tmpIFS="${IFS}"
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# IFS=$'\n'
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# for tmppk in $(ssh-add -L)
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# do
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# printf "%s" "$tmppk" |tee "${tmppubkey}" || return $?
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# #echo "${tmppk}" > $tmppubkey || return $?
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# #ssh-add -L > $tmppubkey || return $?
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# # Check if public-keys in tmppubkey are working. They are not working, if you removed and add back hardware-token.
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# loginfo "$(ssh-add -T ${tmppubkey}|| { ssh-add -e $PKCS11_MODULE; ssh-add -s $PKCS11_MODULE; } )"
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# logdebug "$(ssh-add -l )"
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# done
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# logdebug "$(rm "${tmppubkey}")"
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# IFS=$tmpIFS
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# unset tmpIFS
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# [ $DISPLAY_ORIG ] && logtrace "reset DISPLAY=$DISPLAY_ORIG"
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# [ $DISPLAY_ORIG ] && export DISPLAY=$DISPLAY_ORIG
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#
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#}
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createonly=false
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tokenonly=false
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@ -303,13 +320,14 @@ agent_load_identity_keys () {
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for key in $(ls ${SSH_IDENTITIES_DIR}/${ssh_identity}/*|grep "\.so$"); do
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logdebug "PKCS11_MODULE: ${PKCS11_MODULE:-not set} - key: $key"
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#[ -e "${P11M-x}" ] || [ "$(readlink - f $key)" == "$P11M" ] || key="$P11M"
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#[ "$(readlink - f $key)" == "$P11M" ] || key="$P11M"
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[ "$(readlink -f $key)" != "$PKCS11_MODULE" -a "${PKCS11_MODULE:-x}" != "x" ] && key="$PKCS11_MODULE"
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if [ "$(readlink -f $key)" != "$PKCS11_MODULE" -a "${PKCS11_MODULE:-x}" != "x" ]
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then
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key="$PKCS11_MODULE"
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else
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export PKCS11_MODULE=$(readlink -f $key)
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export P11M=$PKCS11_MODULE
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fi
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logdebug "PKCS11_MODULE: ${PKCS11_MODULE:-not set} - key: $key"
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grep -q "PKCS11_MODULE" "${agentfile}" >/dev/null 2>&1 && sed -i -e '/PKCS11_MODULE/d' "${agentfile}"
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grep -q "PKCS11_MODULE" "${agentfile}" >/dev/null 2>&1 && { sed -i -e '/PKCS11_MODULE/d' "${agentfile}"; key=$PKCS11_MODULE; }
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printf "%s\n" "PKCS11_MODULE=$(readlink -f $key)" | tee -a "${agentfile}" >&2
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tokenfingerprints=($(ssh-keygen -l -D $key|tr -s ' '|awk '{print $2}'))
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@ -409,13 +427,23 @@ logtrace " SSH_IDENTITIES_DIR: $SSH_IDENTITIES_DIR"
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if [[ $SSH_TTY || $X2GO_SESSION ]] ; then
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logdebug "Shell running with forwarded ssh-agent. Please add local token manually"
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check_token
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res=1
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res=2
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else
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logdebug "run with local ssh-agent"
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check_token
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if [ $? -eq 0 ]
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then
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loginfo "run with remote agent"
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printf "%s" "${SSH_AGENTS_DIR}/agent-${ssh_identity}-$(hostname)"
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#! $createonly && agent_load_identity_keys $ssh_identity
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res=1
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else
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agent_start_or_restart $ssh_identity
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! $createonly && agent_load_identity_keys $ssh_identity
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res=0
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fi
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fi
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SCRIPTEXIT
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loginfo "return with $res"
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exit $res
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