weiß nicht
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Jakobus Schürz
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166
bin/ssh-startagent
Executable file
166
bin/ssh-startagent
Executable file
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#!/bin/bash
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FILELOGLEVEL=DEBUG
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. $(dirname $0)/../logging
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# loggerfactory
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LANG=C
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ssh_runinagent () {
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# run ssh-* commands in wanted agent
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if [ check_identity ]
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then
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local SSH_AUTH_SOCK
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local SSH_AGENT_PID
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local agentfile=$(get_agentfile)
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shift
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local sshcommand=${@}
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logtrace "run command »$sshcommand« in agent $agentfile"
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if [ -e "$agentfile" ]; then
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. $agentfile
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fi
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logdebug "SSH_AUTH_SOCK: ${SSH_AUTH_SOCK:-x}"
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if [ "${SSH_AUTH_SOCK:-x}" = "x" ]
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then
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start_or_restart_agent
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. $agentfile
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fi
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$sshcommand
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ret=$?
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fi
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}
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check_identity () {
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# is ssh-identity existing?
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if [ -e ${SSH_IDENTITIES_DIR}/${ssh_identity} ]
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then
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return 0
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else
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logerr "Identity ${ssh_identity} is not definded. Create identity-directory ${SSH_IDENTITIES_DIR}/${ssh_identity}"
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exit 1
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fi
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}
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get_agentfilename () {
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printf "%s" "${SSH_AGENTS_DIR}/agent-${ssh_identity}"
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}
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get_agentsocketname () {
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printf "%s" "${SSH_AGENT_SOCKETS_DIR}/socket-${ssh_identity}"
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}
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start_or_restart_agent () {
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if check_identity
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then
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check_agent
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ret=$?
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logdebug "check_agent returncode $ret"
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case $ret in
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0)
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logdebug "agent is running"
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ret=0
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;;
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1)
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logdebug "agent is running, but:"
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ret=1
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;;
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2)
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logdebug "former agent is not running -> start it"
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logdebug "SSH_AGENT_OPTIONS: $SSH_AGENT_OPTIONS"
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startagent=true
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;;
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3)
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logwarning "Agent is not ok"
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startagent=true
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;;
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*)
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logwarning "Something else with agent"
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ret=99
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;;
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esac
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if ${startagent:-false}
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then
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ssh-agent -a $(get_agentsocketname) ${SSH_AGENT_OPTIONS} > $(get_agentfilename)
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ret=$?
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fi
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ssh_runinagent ${ssh_identity} ssh-add -l >/dev/null 2>&1
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if [ $? -eq 0 ]
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then
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printf "%s\n" "$(get_agentfilename)"
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else
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ret=92
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fi
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fi
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}
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check_agent () {
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if [ -e $(get_agentsocketname) ]
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then
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ssh_runinagent ${ssh_identity} ssh-add -l >/dev/null 2>&1
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return $?
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fi
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logdebug "agent socketname: $(get_agentsocketname)"
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return 3
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}
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get_agentfile () {
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if check_identity
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then
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printf "%s" "$(get_agentfilename)"
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fi
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}
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get_agentsocket () {
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if check_identity
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then
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printf "%s" "$(get_agentsocketname)"
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fi
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}
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agent_load_identity_keys () {
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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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[ $DISPLAY ] && unset DISPLAY
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}
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ssh_identity=${1:-default}
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identitydir=${SSH_IDENTITIES_DIR}/${ssh_identity}
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[ -z "${SSH_IDENTITIES_DIR+x}" ] && { export SSH_IDENTITIES_DIR="${SSH_IDENTITIES_DEFAULT_DIR-${HOME}/.ssh/identities}"; }
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[ -z "${SSH_AGENTS_DIR+x}" ] && { export SSH_AGENTS_DIR=${SSH_AGENTS_DEFAULT_DIR-~/.ssh/agents}; }
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[ -z "${SSH_AGENT_SOCKETS_DIR+x}" ] && { export SSH_AGENT_SOCKETS_DIR=${SSH_AGENT_SOCKETS_DEFAULT_DIR-~/.ssh/agents}; }
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[ -z "${SSH_AGENT_OPTIONS+x}" ] && { export SSH_AGENT_OPTIONS=${SSH_AGENT_DEFAULT_OPTIONS--t 7200 }; }
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export SSH_IDENTITIES_DIR SSH_AGENTS_DIR SSH_AGENT_SOCKETS_DIR SSH_AGENT_OPTIONS
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#logdebug "<< EOF
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# ssh identity: ${ssh_identity}
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# identidies dir: $SSH_IDENTITIES_DIR
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# agents dir: $SSH_AGENTS_DIR
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# agents sockets dir: $SSH_AGENT_SOCKETS_DIR
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# agents options: $SSH_AGENT_OPTIONS
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# agentfile: $(get_agentfile ${ssh_identity})
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# agentsocket: $(get_agentsocket ${ssh_identity})
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#EOF
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#"
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#logtrace "Keys in your shells agent ${SSH_AUTH_SOCK}: $(ssh-add -l)"
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logtrace "Keys in agent ${ssh_identity}: $(ssh_runinagent bmi ssh-add -l)"
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createonly=false
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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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else
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logdebug "run with local ssh-agent"
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start_or_restart_agent
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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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#exit $res
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