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https://github.com/DictXiong/dotfiles.git
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[dev] enhance riot; ddns avoid burst (#38)
* riot: add . for .ibd and non for proxied * riot: 'user@..' to overwrite username, '...:22' to overwrite port, treat the arg as server name if it doesn't match any preset, sshl can accept only a port number and default to use localhost * update.sh: ddns sleep for random seconds to avoid burst * riot: support zssh and sftp, and set ssh options according to trust settings * riot: add scp * riot: support jump servers, sep by commas * common.sh: argparser supports -d/--dev and -D/--dry-run * install.sh: remove -s/--secure because of no use * riot: if remote ends with dot, treat it as a full-hostname; add tests * sagent.sh: refuse to work on windows --------- Co-authored-by: xiongdian.me <xiongdian.me@bytedance.com>
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@ -13,6 +13,11 @@ apost_beacon "sys.online"
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# update dns
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if [[ "$DFS_DDNS_ENABLE" == "1" ]]; then
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fmt_info "updating dns ..."
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if ! is_tty; then
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time_to_sleep=$((RANDOM%600))
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fmt_note "sleep for $time_to_sleep seconds"
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sleep $time_to_sleep
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fi
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"$THIS_DIR/tools/frigg-client.sh" ddns || (fmt_error "failed to update dns" && apost_beacon "dfs.ddns.fail")
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fi
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@ -319,9 +319,7 @@ for i in ${GOT_OPTS[@]}; do
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case $i in
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-i ) FUNC=install ;;
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-r ) FUNC=uninstall ;;
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-d|--dev ) export DFS_DEV=1; set -x ;;
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-a|--auto ) INSTALL_DEP=1 ;;
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-s|--secure ) export DFS_DEV=0 ;;
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-H|--hist|--history ) store_hist=1 ;;
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-x ) store_config=1 ;;
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* ) fmt_fatal "unknown option \"$i\"" ;;
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190
scripts/riot
190
scripts/riot
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@ -2,57 +2,141 @@
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# connect to iot services
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THIS_DIR=$( cd "$( dirname "${BASH_SOURCE[0]:-${(%):-%x}}" )" && pwd )
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source "$THIS_DIR/../tools/common.sh"
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RIOT_TRUST_CLIENT=${RIOT_TRUST_CLIENT:-${DFS_TRUST:-0}}
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RIOT_TRUST_SERVER=${RIOT_TRUST_SERVER:-0}
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# get target settings
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# provides:
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SERVER=""
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PORT=""
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SSH_USERNAME=""
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SSH_OPTIONS=""
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get_server_meta()
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{
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local domain=${1##*.}
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local host=${1%.*}
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# get single server setting
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# may be called more than once
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get_server_meta() {
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# returns:
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RET_HOSTNAME=""
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RET_TRUST_SERVER=0
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RET_PORT="" # optional
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RET_USERNAME="" # optional
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RET_JUMP_SERVER="" # optional
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# body
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local remote="$1"
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# if in the form user@...
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if [[ "$remote" == *@* ]]; then
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RET_USERNAME=${remote%%@*}
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remote=${remote#*@}
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fi
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# if in the form ...:22
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if [[ "$remote" == *:* ]]; then
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RET_PORT=${remote##*:}
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remote=${remote%:*}
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fi
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# presets -- match domain
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local domain=${remote##*.}
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local host=${remote%.*}
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# if there's no dot
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if [[ "$host" == "$domain" ]]; then
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domain=""
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domain="ibd"
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fi
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case $domain in
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ibd|ebd )
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SERVER=$host.$domain.ink
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PORT=12022
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SSH_USERNAME=root
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RET_HOSTNAME=$host.$domain.ink
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RET_PORT=${RET_PORT:-12022}
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RET_USERNAME=${RET_USERNAME:-root}
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RET_TRUST_SERVER=1
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;;
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nasp )
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SERVER=$host
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PORT=12022
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SSH_USERNAME=dictxiong
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SSH_OPTIONS='-o ProxyJump="ssh@nasp.ob.ac.cn:36022"'
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RET_HOSTNAME=$host
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RET_PORT=${RET_PORT:-12022}
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RET_USERNAME=${RET_USERNAME:-dictxiong}
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RET_JUMP_SERVER="ssh@nasp.ob.ac.cn:36022"
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RET_TRUST_SERVER=1
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;;
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"" )
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SERVER=proxy.beardic.cn
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x|proxied )
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RET_HOSTNAME=proxy.beardic.cn
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local tmp=$(sha256sum <<< "$host" | tr -cd "[:digit:]")
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tmp=${tmp:0:4}
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PORT=$((10#$tmp+36000))
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SSH_USERNAME=root
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RET_PORT=$((10#$tmp+36000))
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RET_USERNAME=root
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RET_TRUST_SERVER=1
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;;
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* )
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fmt_fatal "unknown domain: $domain"
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test -z "$domain" || fmt_warning "unknown domain: \"$domain\". will try as host name"
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RET_HOSTNAME="$remote"
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esac
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}
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# remote setting, including jump servers
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# will be called only once
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# provides:
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SERVER=""
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TRUST_SERVER=1
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PORT="" # optional
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USERNAME="" # optional
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SSH_OPTIONS="" # optional
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if [[ "$RIOT_TRUST_CLIENT" == "1" ]]; then
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SSH_OPTIONS='-o ControlMaster=auto -o ControlPath=/tmp/sshcm-%C -o PermitLocalCommand=yes'
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fi
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parse_remote() {
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local remote="$1"
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local jump_servers=""
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# loop for jump servers
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while [[ -n $remote ]]; do
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local server=${remote%%,*}
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remote=${remote#*,}
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get_server_meta "$server"
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if [[ -n "$RET_JUMP_SERVER" ]]; then
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jump_servers="$jump_servers${jump_servers:+,}$RET_JUMP_SERVER"
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fi
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# only if all servers are trusted
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TRUST_SERVER=$((TRUST_SERVER*RET_TRUST_SERVER))
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if [[ "$server" == "$remote" || -z "$remote" ]]; then
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SERVER="$RET_HOSTNAME"
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PORT="$RET_PORT"
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USERNAME="$RET_USERNAME"
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remote=""
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else
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jump_servers="$jump_servers${jump_servers:+,}$RET_USERNAME${RET_USERNAME:+@}$RET_HOSTNAME${RET_PORT:+:}$RET_PORT"
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fi
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done
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# construct cmd
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if [[ "$RIOT_TRUST_SERVER" == "1" || "$TRUST_SERVER" == "1" ]]; then
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SSH_OPTIONS="$SSH_OPTIONS -o ForwardX11=yes -o ForwardAgent=yes"
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fi
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if [[ -n "$jump_servers" ]]; then
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SSH_OPTIONS="$SSH_OPTIONS -o ProxyJump=$jump_servers"
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fi
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}
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eval_or_echo() {
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if [[ "$DFS_DRY_RUN" == "1" ]]; then
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echo $@
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else
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eval $@
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fi
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}
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# ssh series
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prepare_ssh_cmd() {
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local ssh_bin="${1:-ssh}"
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if [[ "$ssh_bin" == "scp" || "$ssh_bin" == "sftp" ]]; then
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local port_param='-P'
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else
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local port_param='-p'
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fi
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echo "$ssh_bin ${PORT:+$port_param} $PORT $SSH_OPTIONS $SCP_SRC $USERNAME${USERNAME:+@}$SERVER $SCP_DST"
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}
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# ssh
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run_ssh()
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{
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CMD="ssh -p $PORT $SSH_OPTIONS $SSH_USERNAME@$SERVER"
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fmt_note "-->" $CMD
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eval $CMD
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local cmd="$(prepare_ssh_cmd $1)"
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fmt_note "-->" $cmd
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eval_or_echo $cmd
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}
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# sshl
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run_sshl()
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{
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if [[ -z "$1" || "$1" != *":"* ]]; then
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fmt_fatal "invalid remote address: $1"
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local arg="$1"
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if [[ "$arg" != *":"* ]]; then
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# treat as a port number
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arg=localhost:$arg
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fi
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while
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local port=$(shuf -n 1 -i 49152-65535)
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@ -60,26 +144,50 @@ run_sshl()
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do
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continue
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done
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CMD="ssh -p $PORT $SSH_OPTIONS -NC -L $port:$1 $SSH_USERNAME@$SERVER"
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fmt_note "-->" $CMD
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SSH_OPTIONS="$SSH_OPTIONS -NC -L $port:$arg"
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local cmd="$(prepare_ssh_cmd ssh)"
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fmt_note "-->" $cmd
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fmt_note " > please access localhost:$port"
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eval $CMD
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eval_or_echo $cmd
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}
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# scp
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run_scp() {
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local src="$1"
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local dst="$2"
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local dst_is_remote=1
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# whoever is ./*, it can't be the remote; whoever not exists on local, it's possible the remote.
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# it is suggested to use ./* for local files.
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if [[ "$src" != "./"* && ( "$dst" == "./"* || ( ! -e "$src" && -e "$dst" ) ) ]]; then
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dst_is_remote=0
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fi
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if [[ "$dst_is_remote" == "1" ]]; then
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SCP_SRC=\""$src"\"
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SERVER="$SERVER":\""$dst"\"
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else
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SERVER="$SERVER":\""$src"\"
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SCP_DST=\""$dst"\"
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fi
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SSH_OPTIONS="$SSH_OPTIONS -r"
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local cmd="$(prepare_ssh_cmd scp)"
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fmt_note "-->" $cmd
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eval_or_echo $cmd
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}
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# main
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print_help()
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{
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fmt_info "usage: $0 <service> [command] [options]"
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echo "available commands: ssh (default), sshl (ssh -L)"
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echo "available commands: ssh (default), sshl (ssh -L), zssh, sftp"
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}
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router()
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{
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router() {
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if [[ -z "$1" || "$1" == "-h" || "$1" == "--help" ]]; then
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print_help
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exit
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fi
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get_server_meta "$1"
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parse_remote "$1"
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case $2 in
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-h|--help)
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print_help
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@ -88,9 +196,21 @@ router()
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ssh|"" )
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run_ssh
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;;
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zssh )
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run_ssh zssh
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;;
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sftp )
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run_ssh sftp
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;;
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sshl )
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test -n "$3" || fmt_fatal "no target address provided"
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run_sshl "$3"
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;;
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scp )
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test -n "$3" || fmt_fatal "no source path specified"
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test -n "$4" || fmt_fatal "no destination path specified"
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run_scp "$3" "$4"
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;;
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* )
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print_help
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fmt_fatal "unknown command: $2"
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@ -3,7 +3,7 @@ set -e
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THIS_DIR_COMMON_SH=$( cd "$( dirname "${BASH_SOURCE[0]:-${(%):-%x}}" )" && pwd )
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export DOTFILES=$( cd "$THIS_DIR_COMMON_SH/.." && pwd )
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if [[ -f ~/.config/dotfiles/env ]]; then set -a; source ~/.config/dotfiles/env; set +a; fi
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if [[ "$DFS_DEBUG" == "1" ]]; then set -x; fi
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if [[ "$DFS_DEV" == "1" ]]; then set -x; fi
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DFS_CURL_OPTIONS="--retry 2 --max-time 20"
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# parse args and set env, when it is sourced
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@ -17,8 +17,9 @@ if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
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case $ARG in
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-q*|--quite ) export DFS_QUIET=1 ;;
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-l*|--lite ) export DFS_LITE=1 ;;
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-d*|--dev ) export DFS_DEV=1; set -x ;;
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-D*|--dry-run ) export DFS_DRY_RUN=1 ;;
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--color ) export DFS_COLOR=1 ;;
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--dry-run ) export DFS_DRY_RUN=1 ;; # TODO!!!
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--*=* ) GOT_OPTS+=("${ARG%%=*}" "${ARG#*=}") ;;
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--* ) GOT_OPTS+=("$ARG") ;;
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-* ) GOT_OPTS+=("${ARG:0:2}") ;;
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@ -79,6 +79,10 @@ all()
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route()
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{
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os_type="$(get_os_type)"
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if [[ "$os_type" == "msys" || "$os_type" == "cygwin" ]]; then
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fmt_fatal "unsupported platform: $os_type. you may use WinCryptSSHAgent."
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fi
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if [[ $# -eq 0 ]]; then
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all
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return
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@ -31,6 +31,7 @@ test $(echo n | tools/common.sh ask_for_yN "test") = "0"
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test $(echo | tools/common.sh ask_for_yN "test") = "0"
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test $(echo | tools/common.sh ask_for_Yn "test") = "1"
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test $(DFS_QUIET=1 tools/common.sh ask_for_Yn "test") = "1"
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test "$(DFS_TRUST=1 riot time@is.impt:2222,yes@you-r.right,you@are.really.recht.,ibd.,try@it scp /tmp/ ./tmp -D 2>/dev/null)" = 'scp -P 12022 -o ControlMaster=auto -o ControlPath=/tmp/sshcm-%C -o PermitLocalCommand=yes -o ProxyJump=time@is.impt:2222,yes@you-r.right,you@are.really.recht.,ibd. -r try@it.ibd.ink:"/tmp/" "./tmp"'
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# check alias
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alias p114
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