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462 lines
15 KiB
462 lines
15 KiB
#!/usr/bin/env sh
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# Script to deploy certificates to remote server by SSH
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# Note that SSH must be able to login to remote host without a password...
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# SSH Keys must have been exchanged with the remote host. Validate and
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# test that you can login to USER@SERVER from the host running acme.sh before
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# using this script.
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#
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# The following variables exported from environment will be used.
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# If not set then values previously saved in domain.conf file are used.
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#
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# Only a username is required. All others are optional.
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#
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# The following examples are for QNAP NAS running QTS 4.2
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# export DEPLOY_SSH_CMD="" # defaults to "ssh -T"
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# export DEPLOY_SSH_USER="admin" # required
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# export DEPLOY_SSH_SERVER="host1 host2:8022 192.168.0.1:9022" # defaults to domain name, support multiple servers with optional port
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# export DEPLOY_SSH_KEYFILE="/etc/stunnel/stunnel.pem"
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# export DEPLOY_SSH_CERTFILE="/etc/stunnel/stunnel.pem"
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# export DEPLOY_SSH_CAFILE="/etc/stunnel/uca.pem"
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# export DEPLOY_SSH_FULLCHAIN=""
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# export DEPLOY_SSH_REMOTE_CMD="/etc/init.d/stunnel.sh restart"
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# export DEPLOY_SSH_BACKUP="" # yes or no, default to yes or previously saved value
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# export DEPLOY_SSH_BACKUP_PATH=".acme_ssh_deploy" # path on remote system. Defaults to .acme_ssh_deploy
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# export DEPLOY_SSH_MULTI_CALL="" # yes or no, default to no or previously saved value
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# export DEPLOY_SSH_USE_SCP="" yes or no, default to no
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# export DEPLOY_SSH_SCP_CMD="" defaults to "scp -q"
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#
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######## Public functions #####################
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#domain keyfile certfile cafile fullchain
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ssh_deploy() {
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_cdomain="$1"
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_ckey="$2"
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_ccert="$3"
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_cca="$4"
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_cfullchain="$5"
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_deploy_ssh_servers=""
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_debug _cdomain "$_cdomain"
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_debug _ckey "$_ckey"
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_debug _ccert "$_ccert"
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_debug _cca "$_cca"
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_debug _cfullchain "$_cfullchain"
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# USER is required to login by SSH to remote host.
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_migratedeployconf Le_Deploy_ssh_user DEPLOY_SSH_USER
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_getdeployconf DEPLOY_SSH_USER
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_debug2 DEPLOY_SSH_USER "$DEPLOY_SSH_USER"
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if [ -z "$DEPLOY_SSH_USER" ]; then
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_err "DEPLOY_SSH_USER not defined."
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return 1
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fi
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_savedeployconf DEPLOY_SSH_USER "$DEPLOY_SSH_USER"
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# SERVER is optional. If not provided then use _cdomain
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_migratedeployconf Le_Deploy_ssh_server DEPLOY_SSH_SERVER
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_getdeployconf DEPLOY_SSH_SERVER
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_debug2 DEPLOY_SSH_SERVER "$DEPLOY_SSH_SERVER"
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if [ -z "$DEPLOY_SSH_SERVER" ]; then
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DEPLOY_SSH_SERVER="$_cdomain"
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fi
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_savedeployconf DEPLOY_SSH_SERVER "$DEPLOY_SSH_SERVER"
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# CMD is optional. If not provided then use ssh
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_migratedeployconf Le_Deploy_ssh_cmd DEPLOY_SSH_CMD
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_getdeployconf DEPLOY_SSH_CMD
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_debug2 DEPLOY_SSH_CMD "$DEPLOY_SSH_CMD"
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if [ -z "$DEPLOY_SSH_CMD" ]; then
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DEPLOY_SSH_CMD="ssh -T"
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fi
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_savedeployconf DEPLOY_SSH_CMD "$DEPLOY_SSH_CMD"
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# BACKUP is optional. If not provided then default to previously saved value or yes.
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_migratedeployconf Le_Deploy_ssh_backup DEPLOY_SSH_BACKUP
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_getdeployconf DEPLOY_SSH_BACKUP
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_debug2 DEPLOY_SSH_BACKUP "$DEPLOY_SSH_BACKUP"
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if [ -z "$DEPLOY_SSH_BACKUP" ]; then
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DEPLOY_SSH_BACKUP="yes"
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fi
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_savedeployconf DEPLOY_SSH_BACKUP "$DEPLOY_SSH_BACKUP"
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# BACKUP_PATH is optional. If not provided then default to previously saved value or .acme_ssh_deploy
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_migratedeployconf Le_Deploy_ssh_backup_path DEPLOY_SSH_BACKUP_PATH
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_getdeployconf DEPLOY_SSH_BACKUP_PATH
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_debug2 DEPLOY_SSH_BACKUP_PATH "$DEPLOY_SSH_BACKUP_PATH"
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if [ -z "$DEPLOY_SSH_BACKUP_PATH" ]; then
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DEPLOY_SSH_BACKUP_PATH=".acme_ssh_deploy"
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fi
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_savedeployconf DEPLOY_SSH_BACKUP_PATH "$DEPLOY_SSH_BACKUP_PATH"
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# MULTI_CALL is optional. If not provided then default to previously saved
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# value (which may be undefined... equivalent to "no").
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_migratedeployconf Le_Deploy_ssh_multi_call DEPLOY_SSH_MULTI_CALL
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_getdeployconf DEPLOY_SSH_MULTI_CALL
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_debug2 DEPLOY_SSH_MULTI_CALL "$DEPLOY_SSH_MULTI_CALL"
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if [ -z "$DEPLOY_SSH_MULTI_CALL" ]; then
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DEPLOY_SSH_MULTI_CALL="no"
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fi
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_savedeployconf DEPLOY_SSH_MULTI_CALL "$DEPLOY_SSH_MULTI_CALL"
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# KEYFILE is optional.
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# If provided then private key will be copied to provided filename.
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_migratedeployconf Le_Deploy_ssh_keyfile DEPLOY_SSH_KEYFILE
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_getdeployconf DEPLOY_SSH_KEYFILE
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_debug2 DEPLOY_SSH_KEYFILE "$DEPLOY_SSH_KEYFILE"
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if [ -n "$DEPLOY_SSH_KEYFILE" ]; then
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_savedeployconf DEPLOY_SSH_KEYFILE "$DEPLOY_SSH_KEYFILE"
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fi
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# CERTFILE is optional.
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# If provided then certificate will be copied or appended to provided filename.
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_migratedeployconf Le_Deploy_ssh_certfile DEPLOY_SSH_CERTFILE
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_getdeployconf DEPLOY_SSH_CERTFILE
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_debug2 DEPLOY_SSH_CERTFILE "$DEPLOY_SSH_CERTFILE"
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if [ -n "$DEPLOY_SSH_CERTFILE" ]; then
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_savedeployconf DEPLOY_SSH_CERTFILE "$DEPLOY_SSH_CERTFILE"
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fi
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# CAFILE is optional.
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# If provided then CA intermediate certificate will be copied or appended to provided filename.
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_migratedeployconf Le_Deploy_ssh_cafile DEPLOY_SSH_CAFILE
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_getdeployconf DEPLOY_SSH_CAFILE
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_debug2 DEPLOY_SSH_CAFILE "$DEPLOY_SSH_CAFILE"
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if [ -n "$DEPLOY_SSH_CAFILE" ]; then
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_savedeployconf DEPLOY_SSH_CAFILE "$DEPLOY_SSH_CAFILE"
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fi
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# FULLCHAIN is optional.
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# If provided then fullchain certificate will be copied or appended to provided filename.
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_migratedeployconf Le_Deploy_ssh_fullchain DEPLOY_SSH_FULLCHAIN
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_getdeployconf DEPLOY_SSH_FULLCHAIN
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_debug2 DEPLOY_SSH_FULLCHAIN "$DEPLOY_SSH_FULLCHAIN"
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if [ -n "$DEPLOY_SSH_FULLCHAIN" ]; then
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_savedeployconf DEPLOY_SSH_FULLCHAIN "$DEPLOY_SSH_FULLCHAIN"
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fi
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# REMOTE_CMD is optional.
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# If provided then this command will be executed on remote host.
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_migratedeployconf Le_Deploy_ssh_remote_cmd DEPLOY_SSH_REMOTE_CMD
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_getdeployconf DEPLOY_SSH_REMOTE_CMD
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_debug2 DEPLOY_SSH_REMOTE_CMD "$DEPLOY_SSH_REMOTE_CMD"
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if [ -n "$DEPLOY_SSH_REMOTE_CMD" ]; then
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_savedeployconf DEPLOY_SSH_REMOTE_CMD "$DEPLOY_SSH_REMOTE_CMD"
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fi
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# USE_SCP is optional. If not provided then default to previously saved
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# value (which may be undefined... equivalent to "no").
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_getdeployconf DEPLOY_SSH_USE_SCP
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_debug2 DEPLOY_SSH_USE_SCP "$DEPLOY_SSH_USE_SCP"
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if [ -z "$DEPLOY_SSH_USE_SCP" ]; then
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DEPLOY_SSH_USE_SCP="no"
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fi
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_savedeployconf DEPLOY_SSH_USE_SCP "$DEPLOY_SSH_USE_SCP"
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# SCP_CMD is optional. If not provided then use scp
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_getdeployconf DEPLOY_SSH_SCP_CMD
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_debug2 DEPLOY_SSH_SCP_CMD "$DEPLOY_SSH_SCP_CMD"
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if [ -z "$DEPLOY_SSH_SCP_CMD" ]; then
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DEPLOY_SSH_SCP_CMD="scp -q"
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fi
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_savedeployconf DEPLOY_SSH_SCP_CMD "$DEPLOY_SSH_SCP_CMD"
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if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
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DEPLOY_SSH_MULTI_CALL="yes"
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_info "Using scp as alternate method for copying files. Multicall Mode is implicit"
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elif [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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_info "Using MULTI_CALL mode... Required commands sent in multiple calls to remote host"
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else
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_info "Required commands batched and sent in single call to remote host"
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fi
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_deploy_ssh_servers=$DEPLOY_SSH_SERVER
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for DEPLOY_SSH_SERVER in $_deploy_ssh_servers; do
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_ssh_deploy
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done
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}
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_ssh_deploy() {
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_err_code=0
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_cmdstr=""
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_backupprefix=""
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_backupdir=""
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_local_cert_file=""
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_local_ca_file=""
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_local_full_file=""
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case $DEPLOY_SSH_SERVER in
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*:*)
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_host=${DEPLOY_SSH_SERVER%:*}
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_port=${DEPLOY_SSH_SERVER##*:}
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;;
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*)
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_host=$DEPLOY_SSH_SERVER
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_port=
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;;
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esac
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_info "Deploy certificates to remote server $DEPLOY_SSH_USER@$_host:$_port"
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if [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
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_backupprefix="$DEPLOY_SSH_BACKUP_PATH/$_cdomain-backup"
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_backupdir="$_backupprefix-$(_utc_date | tr ' ' '-')"
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# run cleanup on the backup directory, erase all older
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# than 180 days (15552000 seconds).
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_cmdstr="{ now=\"\$(date -u +%s)\"; for fn in $_backupprefix*; \
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do if [ -d \"\$fn\" ] && [ \"\$(expr \$now - \$(date -ur \$fn +%s) )\" -ge \"15552000\" ]; \
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then rm -rf \"\$fn\"; echo \"Backup \$fn deleted as older than 180 days\"; fi; done; }; $_cmdstr"
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# Alternate version of above... _cmdstr="find $_backupprefix* -type d -mtime +180 2>/dev/null | xargs rm -rf; $_cmdstr"
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# Create our backup directory for overwritten cert files.
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_cmdstr="mkdir -p $_backupdir; $_cmdstr"
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_info "Backup of old certificate files will be placed in remote directory $_backupdir"
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_info "Backup directories erased after 180 days."
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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if [ -n "$DEPLOY_SSH_KEYFILE" ]; then
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if [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
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# backup file we are about to overwrite.
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_cmdstr="$_cmdstr cp $DEPLOY_SSH_KEYFILE $_backupdir >/dev/null;"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# copy new key into file.
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if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
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# scp the file
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if ! _scp_remote_cmd "$_ckey" "$DEPLOY_SSH_KEYFILE"; then
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return $_err_code
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fi
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else
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# ssh echo to the file
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_cmdstr="$_cmdstr echo \"$(cat "$_ckey")\" > $DEPLOY_SSH_KEYFILE;"
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_info "will copy private key to remote file $DEPLOY_SSH_KEYFILE"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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fi
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if [ -n "$DEPLOY_SSH_CERTFILE" ]; then
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_pipe=">"
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if [ "$DEPLOY_SSH_CERTFILE" = "$DEPLOY_SSH_KEYFILE" ]; then
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# if filename is same as previous file then append.
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_pipe=">>"
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elif [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
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# backup file we are about to overwrite.
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_cmdstr="$_cmdstr cp $DEPLOY_SSH_CERTFILE $_backupdir >/dev/null;"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# copy new certificate into file.
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if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
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# scp the file
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_local_cert_file=$(_mktemp)
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if [ "$DEPLOY_SSH_CERTFILE" = "$DEPLOY_SSH_KEYFILE" ]; then
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cat "$_ckey" >>"$_local_cert_file"
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fi
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cat "$_ccert" >>"$_local_cert_file"
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if ! _scp_remote_cmd "$_local_cert_file" "$DEPLOY_SSH_CERTFILE"; then
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return $_err_code
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fi
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else
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# ssh echo to the file
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_cmdstr="$_cmdstr echo \"$(cat "$_ccert")\" $_pipe $DEPLOY_SSH_CERTFILE;"
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_info "will copy certificate to remote file $DEPLOY_SSH_CERTFILE"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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fi
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if [ -n "$DEPLOY_SSH_CAFILE" ]; then
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_pipe=">"
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if [ "$DEPLOY_SSH_CAFILE" = "$DEPLOY_SSH_KEYFILE" ] ||
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[ "$DEPLOY_SSH_CAFILE" = "$DEPLOY_SSH_CERTFILE" ]; then
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# if filename is same as previous file then append.
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_pipe=">>"
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elif [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
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# backup file we are about to overwrite.
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_cmdstr="$_cmdstr cp $DEPLOY_SSH_CAFILE $_backupdir >/dev/null;"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# copy new certificate into file.
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if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
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# scp the file
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_local_ca_file=$(_mktemp)
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if [ "$DEPLOY_SSH_CAFILE" = "$DEPLOY_SSH_KEYFILE" ]; then
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cat "$_ckey" >>"$_local_ca_file"
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fi
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if [ "$DEPLOY_SSH_CAFILE" = "$DEPLOY_SSH_CERTFILE" ]; then
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cat "$_ccert" >>"$_local_ca_file"
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fi
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cat "$_cca" >>"$_local_ca_file"
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if ! _scp_remote_cmd "$_local_ca_file" "$DEPLOY_SSH_CAFILE"; then
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return $_err_code
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fi
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else
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# ssh echo to the file
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_cmdstr="$_cmdstr echo \"$(cat "$_cca")\" $_pipe $DEPLOY_SSH_CAFILE;"
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_info "will copy CA file to remote file $DEPLOY_SSH_CAFILE"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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fi
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if [ -n "$DEPLOY_SSH_FULLCHAIN" ]; then
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_pipe=">"
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if [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_KEYFILE" ] ||
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[ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_CERTFILE" ] ||
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[ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_CAFILE" ]; then
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# if filename is same as previous file then append.
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_pipe=">>"
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elif [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
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# backup file we are about to overwrite.
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_cmdstr="$_cmdstr cp $DEPLOY_SSH_FULLCHAIN $_backupdir >/dev/null;"
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if [ "$DEPLOY_SSH_FULLCHAIN" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# copy new certificate into file.
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if [ "$DEPLOY_SSH_USE_SCP" = "yes" ]; then
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# scp the file
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_local_full_file=$(_mktemp)
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if [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_KEYFILE" ]; then
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cat "$_ckey" >>"$_local_full_file"
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fi
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if [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_CERTFILE" ]; then
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cat "$_ccert" >>"$_local_full_file"
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fi
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if [ "$DEPLOY_SSH_FULLCHAIN" = "$DEPLOY_SSH_CAFILE" ]; then
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cat "$_cca" >>"$_local_full_file"
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fi
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cat "$_cfullchain" >>"$_local_full_file"
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if ! _scp_remote_cmd "$_local_full_file" "$DEPLOY_SSH_FULLCHAIN"; then
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return $_err_code
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fi
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else
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# ssh echo to the file
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_cmdstr="$_cmdstr echo \"$(cat "$_cfullchain")\" $_pipe $DEPLOY_SSH_FULLCHAIN;"
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_info "will copy fullchain to remote file $DEPLOY_SSH_FULLCHAIN"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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fi
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# cleanup local files if any
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if [ -f "$_local_cert_file" ]; then
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rm -f "$_local_cert_file"
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fi
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if [ -f "$_local_ca_file" ]; then
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rm -f "$_local_ca_file"
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fi
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if [ -f "$_local_full_file" ]; then
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rm -f "$_local_full_file"
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fi
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if [ -n "$DEPLOY_SSH_REMOTE_CMD" ]; then
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_cmdstr="$_cmdstr $DEPLOY_SSH_REMOTE_CMD;"
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_info "Will execute remote command $DEPLOY_SSH_REMOTE_CMD"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# if commands not all sent in multiple calls then all commands sent in a single SSH call now...
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if [ -n "$_cmdstr" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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fi
|
|
# cleanup in case all is ok
|
|
return 0
|
|
}
|
|
|
|
#cmd
|
|
_ssh_remote_cmd() {
|
|
_cmd="$1"
|
|
|
|
_ssh_cmd="$DEPLOY_SSH_CMD"
|
|
if [ -n "$_port" ]; then
|
|
_ssh_cmd="$_ssh_cmd -p $_port"
|
|
fi
|
|
|
|
_secure_debug "Remote commands to execute: $_cmd"
|
|
_info "Submitting sequence of commands to remote server by $_ssh_cmd"
|
|
|
|
# quotations in bash cmd below intended. Squash travis spellcheck error
|
|
# shellcheck disable=SC2029
|
|
$_ssh_cmd "$DEPLOY_SSH_USER@$_host" sh -c "'$_cmd'"
|
|
_err_code="$?"
|
|
|
|
if [ "$_err_code" != "0" ]; then
|
|
_err "Error code $_err_code returned from ssh"
|
|
fi
|
|
|
|
return $_err_code
|
|
}
|
|
|
|
# cmd scp
|
|
_scp_remote_cmd() {
|
|
_src=$1
|
|
_dest=$2
|
|
|
|
_scp_cmd="$DEPLOY_SSH_SCP_CMD"
|
|
if [ -n "$_port" ]; then
|
|
_scp_cmd="$_scp_cmd -P $_port"
|
|
fi
|
|
|
|
_secure_debug "Remote copy source $_src to destination $_dest"
|
|
_info "Submitting secure copy by $_scp_cmd"
|
|
|
|
$_scp_cmd "$_src" "$DEPLOY_SSH_USER"@"$_host":"$_dest"
|
|
_err_code="$?"
|
|
|
|
if [ "$_err_code" != "0" ]; then
|
|
_err "Error code $_err_code returned from scp"
|
|
fi
|
|
|
|
return $_err_code
|
|
}
|