304 lines
11 KiB
Bash
304 lines
11 KiB
Bash
#!/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="qnap" # defaults to domain name
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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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#
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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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_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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if [ -z "$Le_Deploy_ssh_user" ]; then
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_err "DEPLOY_SSH_USER not defined."
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return 1
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fi
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else
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Le_Deploy_ssh_user="$DEPLOY_SSH_USER"
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_savedomainconf Le_Deploy_ssh_user "$Le_Deploy_ssh_user"
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fi
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# SERVER is optional. If not provided then use _cdomain
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_getdeployconf DEPLOY_SSH_SERVER
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_debug2 DEPLOY_SSH_SERVER "$DEPLOY_SSH_SERVER"
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if [ -n "$DEPLOY_SSH_SERVER" ]; then
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Le_Deploy_ssh_server="$DEPLOY_SSH_SERVER"
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_savedomainconf Le_Deploy_ssh_server "$Le_Deploy_ssh_server"
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elif [ -z "$Le_Deploy_ssh_server" ]; then
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Le_Deploy_ssh_server="$_cdomain"
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fi
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# CMD is optional. If not provided then use ssh
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_getdeployconf DEPLOY_SSH_CMD
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_debug2 DEPLOY_SSH_CMD "$DEPLOY_SSH_CMD"
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if [ -n "$DEPLOY_SSH_CMD" ]; then
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Le_Deploy_ssh_cmd="$DEPLOY_SSH_CMD"
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_savedomainconf Le_Deploy_ssh_cmd "$Le_Deploy_ssh_cmd"
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elif [ -z "$Le_Deploy_ssh_cmd" ]; then
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Le_Deploy_ssh_cmd="ssh -T"
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fi
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# BACKUP is optional. If not provided then default to previously saved value or yes.
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_getdeployconf DEPLOY_SSH_BACKUP
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_debug2 DEPLOY_SSH_BACKUP "$DEPLOY_SSH_BACKUP"
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if [ "$DEPLOY_SSH_BACKUP" = "no" ]; then
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Le_Deploy_ssh_backup="no"
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elif [ -z "$Le_Deploy_ssh_backup" ] || [ "$DEPLOY_SSH_BACKUP" = "yes" ]; then
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Le_Deploy_ssh_backup="yes"
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fi
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_savedomainconf Le_Deploy_ssh_backup "$Le_Deploy_ssh_backup"
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# BACKUP_PATH is optional. If not provided then default to previously saved value or .acme_ssh_deploy
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_getdeployconf DEPLOY_SSH_BACKUP_PATH
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_debug2 DEPLOY_SSH_BACKUP_PATH "$DEPLOY_SSH_BACKUP_PATH"
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if [ -n "$DEPLOY_SSH_BACKUP_PATH" ]; then
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Le_Deploy_ssh_backup_path="$DEPLOY_SSH_BACKUP_PATH"
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elif [ -z "$Le_Deploy_ssh_backup_path" ]; then
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Le_Deploy_ssh_backup_path=".acme_ssh_deploy"
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fi
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_savedomainconf Le_Deploy_ssh_backup_path "$Le_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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_getdeployconf DEPLOY_SSH_MULTI_CALL
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_debug2 DEPLOY_SSH_MULTI_CALL "$DEPLOY_SSH_MULTI_CALL"
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if [ "$DEPLOY_SSH_MULTI_CALL" = "yes" ]; then
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Le_Deploy_ssh_multi_call="yes"
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_savedomainconf Le_Deploy_ssh_multi_call "$Le_Deploy_ssh_multi_call"
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elif [ "$DEPLOY_SSH_MULTI_CALL" = "no" ]; then
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Le_Deploy_ssh_multi_call=""
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_cleardomainconf Le_Deploy_ssh_multi_call
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fi
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_deploy_ssh_servers=$Le_Deploy_ssh_server
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for Le_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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_info "Deploy certificates to remote server $Le_Deploy_ssh_user@$Le_Deploy_ssh_server"
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if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
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_info "Using MULTI_CALL mode... Required commands sent in multiple calls to remote host"
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else
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_info "Required commands batched and sent in single call to remote host"
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fi
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if [ "$Le_Deploy_ssh_backup" = "yes" ]; then
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_backupprefix="$Le_Deploy_ssh_backup_path/$_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 $_backupdir"
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_info "Backup directories erased after 180 days."
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if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# KEYFILE is optional.
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# If provided then private key will be copied to provided filename.
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_getdeployconf DEPLOY_SSH_KEYFILE
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_debug2 DEPLOY_SSH_KEYFILE "$DEPLOY_SSH_KEYFILE"
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if [ -n "$DEPLOY_SSH_KEYFILE" ]; then
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Le_Deploy_ssh_keyfile="$DEPLOY_SSH_KEYFILE"
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_savedomainconf Le_Deploy_ssh_keyfile "$Le_Deploy_ssh_keyfile"
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fi
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if [ -n "$Le_Deploy_ssh_keyfile" ]; then
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if [ "$Le_Deploy_ssh_backup" = "yes" ]; then
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# backup file we are about to overwrite.
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_cmdstr="$_cmdstr cp $Le_Deploy_ssh_keyfile $_backupdir >/dev/null;"
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fi
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# copy new certificate into file.
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_cmdstr="$_cmdstr echo \"$(cat "$_ckey")\" > $Le_Deploy_ssh_keyfile;"
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_info "will copy private key to remote file $Le_Deploy_ssh_keyfile"
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if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# CERTFILE is optional.
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# If provided then certificate will be copied or appended to provided filename.
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_getdeployconf DEPLOY_SSH_CERTFILE
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_debug2 DEPLOY_SSH_CERTFILE "$DEPLOY_SSH_CERTFILE"
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if [ -n "$DEPLOY_SSH_CERTFILE" ]; then
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Le_Deploy_ssh_certfile="$DEPLOY_SSH_CERTFILE"
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_savedomainconf Le_Deploy_ssh_certfile "$Le_Deploy_ssh_certfile"
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fi
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if [ -n "$Le_Deploy_ssh_certfile" ]; then
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_pipe=">"
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if [ "$Le_Deploy_ssh_certfile" = "$Le_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 [ "$Le_Deploy_ssh_backup" = "yes" ]; then
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# backup file we are about to overwrite.
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_cmdstr="$_cmdstr cp $Le_Deploy_ssh_certfile $_backupdir >/dev/null;"
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fi
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# copy new certificate into file.
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_cmdstr="$_cmdstr echo \"$(cat "$_ccert")\" $_pipe $Le_Deploy_ssh_certfile;"
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_info "will copy certificate to remote file $Le_Deploy_ssh_certfile"
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if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# CAFILE is optional.
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# If provided then CA intermediate certificate will be copied or appended to provided filename.
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_getdeployconf DEPLOY_SSH_CAFILE
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_debug2 DEPLOY_SSH_CAFILE "$DEPLOY_SSH_CAFILE"
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if [ -n "$DEPLOY_SSH_CAFILE" ]; then
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Le_Deploy_ssh_cafile="$DEPLOY_SSH_CAFILE"
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_savedomainconf Le_Deploy_ssh_cafile "$Le_Deploy_ssh_cafile"
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fi
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if [ -n "$Le_Deploy_ssh_cafile" ]; then
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_pipe=">"
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if [ "$Le_Deploy_ssh_cafile" = "$Le_Deploy_ssh_keyfile" ] ||
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[ "$Le_Deploy_ssh_cafile" = "$Le_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 [ "$Le_Deploy_ssh_backup" = "yes" ]; then
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# backup file we are about to overwrite.
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_cmdstr="$_cmdstr cp $Le_Deploy_ssh_cafile $_backupdir >/dev/null;"
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fi
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# copy new certificate into file.
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_cmdstr="$_cmdstr echo \"$(cat "$_cca")\" $_pipe $Le_Deploy_ssh_cafile;"
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_info "will copy CA file to remote file $Le_Deploy_ssh_cafile"
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if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# FULLCHAIN is optional.
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# If provided then fullchain certificate will be copied or appended to provided filename.
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_getdeployconf DEPLOY_SSH_FULLCHAIN
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_debug2 DEPLOY_SSH_FULLCHAIN "$DEPLOY_SSH_FULLCHAIN"
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if [ -n "$DEPLOY_SSH_FULLCHAIN" ]; then
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Le_Deploy_ssh_fullchain="$DEPLOY_SSH_FULLCHAIN"
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_savedomainconf Le_Deploy_ssh_fullchain "$Le_Deploy_ssh_fullchain"
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fi
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if [ -n "$Le_Deploy_ssh_fullchain" ]; then
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_pipe=">"
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if [ "$Le_Deploy_ssh_fullchain" = "$Le_Deploy_ssh_keyfile" ] ||
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[ "$Le_Deploy_ssh_fullchain" = "$Le_Deploy_ssh_certfile" ] ||
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[ "$Le_Deploy_ssh_fullchain" = "$Le_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 [ "$Le_Deploy_ssh_backup" = "yes" ]; then
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# backup file we are about to overwrite.
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_cmdstr="$_cmdstr cp $Le_Deploy_ssh_fullchain $_backupdir >/dev/null;"
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fi
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# copy new certificate into file.
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_cmdstr="$_cmdstr echo \"$(cat "$_cfullchain")\" $_pipe $Le_Deploy_ssh_fullchain;"
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_info "will copy fullchain to remote file $Le_Deploy_ssh_fullchain"
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if [ "$Le_Deploy_ssh_multi_call" = "yes" ]; then
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if ! _ssh_remote_cmd "$_cmdstr"; then
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return $_err_code
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fi
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_cmdstr=""
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fi
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fi
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# REMOTE_CMD is optional.
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# If provided then this command will be executed on remote host.
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_getdeployconf DEPLOY_SSH_REMOTE_CMD
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_debug2 DEPLOY_SSH_REMOTE_CMD "$DEPLOY_SSH_REMOTE_CMD"
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if [ -n "$DEPLOY_SSH_REMOTE_CMD" ]; then
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Le_Deploy_ssh_remote_cmd="$DEPLOY_SSH_REMOTE_CMD"
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_savedomainconf Le_Deploy_ssh_remote_cmd "$Le_Deploy_ssh_remote_cmd"
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fi
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if [ -n "$Le_Deploy_ssh_remote_cmd" ]; then
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_cmdstr="$_cmdstr $Le_Deploy_ssh_remote_cmd;"
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_info "Will execute remote command $Le_Deploy_ssh_remote_cmd"
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if [ "$Le_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
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return 0
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}
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#cmd
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_ssh_remote_cmd() {
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_cmd="$1"
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_secure_debug "Remote commands to execute: $_cmd"
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_info "Submitting sequence of commands to remote server by ssh"
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# quotations in bash cmd below intended. Squash travis spellcheck error
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# shellcheck disable=SC2029
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$Le_Deploy_ssh_cmd "$Le_Deploy_ssh_user@$Le_Deploy_ssh_server" sh -c "'$_cmd'"
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_err_code="$?"
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if [ "$_err_code" != "0" ]; then
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_err "Error code $_err_code returned from ssh"
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fi
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return $_err_code
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}
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