[dev] ddns; better ssh agent; riot sshl; sys.online; zsh hist import; DFS_DEBUG; cbd/cbds (#36)

* riot: bj1 -> proxy

* ci: test ask_for_yn

* --wip-- [skip ci]

* install.sh: will prompt version

* zshrc: piv-agent now can re-use agents

* zshrc: in docker use theme robbyrussell

* update.sh: will send online beacon

* beacon: support meta with limited len 64

* bug fix (Sat Jan 21 16:45:35 CST 2023)

* well, finally add ssh key for ltp1-bd

* set DFS_INITED and do not send login beacon if it was set

* rewrite piv-agent to sagent; fmt_note and fmt_into will write to stderr

* bug fix (Mon Jan 30 19:41:00 CST 2023)

* bug fix (Mon Jan 30 19:46:27 CST 2023)

* login beacon add details

* $DFS_ORPHAN turns logger off

* disable more beacons in CI

* install.sh: prepare config earlier

* init pbin

* install.sh: -H|--hist|--history

* install.sh: -H hint

* install.sh: -H support multiple keys

* fix zsh hist with no new line at the end

* remove ^M in hist

* bug fix (Wed Feb  1 21:11:41 CST 2023)

* bug fix (Wed Feb  1 21:16:29 CST 2023)

* bug fix (Wed Feb  1 21:20:21 CST 2023)

* ci will send gh.ci.fail

* show install opts

* DFS_DEBUG to set -x

* bug fix: install.sh re-start itself with no args incorrectly

* bug fix (Thu Feb  2 18:43:16 CST 2023)

* riot: ob->ebd, swap option $1 and $2 and $2 is default to ssh

* riot: introduce sshl

* logger.sh: support ddns

* bug fix (Wed Mar  1 16:37:42 CST 2023)

* dfs.ddns.failed -> dfs.ddns.fail

* login beacon 2>/dev/null

* logger.sh -> frigg-client.sh; curl add time limit 10s

* to-install.sh: improve docker-ce

* use $DFS_CURL_OPTIONS

* ci: add ddns

* bug fix (Wed Mar 15 19:37:21 CST 2023)

* Revert "bug fix (Wed Mar 15 19:37:21 CST 2023)"

This reverts commit 2df87ce1a8.

* Revert "ci: add ddns"

This reverts commit 4fe8321504.

* alias cbd and cbds, riot nasp port to 12022

* .zshrc: sagent -> sagt

* fix ci

* riot: bug fix when 'tmp' has leading zeros

* add ci for cbds

---------

Co-authored-by: xiongdian.me <xiongdian.me@bytedance.com>

scripts/pbin

@@ -0,0 +1,44 @@
+#!/bin/bash
+set -e
+THIS_DIR=$( cd "$( dirname "${BASH_SOURCE[0]:-${(%):-%x}}" )" && pwd )
+source "$THIS_DIR/../tools/common.sh"
+
+get()
+{
+    local key=$1
+    if [[ -z "$key" ]]; then
+        fmt_fatal "missing key"
+    fi
+    local output=${2:-/dev/stdout}
+    local url="https://pastebin.com/raw/$key"
+    curl -fsSL "$url" > "$output"
+}
+
+put()
+{
+    local input=${1:-/dev/stdin}
+    (echo -n api_paste_code=; cat "$input") | curl -fsSL -X POST -d 'api_dev_key=SKZLfq9y_zW2hkgQOKZz1b5rw8hGiqxZ' -d 'api_option=paste' --data-binary @- "https://pastebin.com/api/api_post.php"
+}
+
+route()
+{
+    local cmd=$1
+    if [[ -z "$cmd" ]]; then
+        put
+        exit
+    else
+        shift
+    fi
+    case $cmd in
+        get )
+            get "$@"
+            ;;
+        put )
+            put "$@"
+            ;;
+        * )
+            fmt_fatal "unknown command: $cmd"
+    esac
+}
+
+route "${GOT_OPTS[@]}"

scripts/riot

@@ -17,27 +17,22 @@ get_server_meta()
         domain=""
     fi
     case $domain in
-        ibd )
-            SERVER=$host.ibd.ink
+        ibd|ebd )
+            SERVER=$host.$domain.ink
             PORT=12022
             SSH_USERNAME=root
             ;;
-        ob )
-            SERVER=$host.ob.ac.cn
-            PORT=24022
-            SSH_USERNAME=root
-            ;;
         nasp )
             SERVER=$host
-            PORT=22
+            PORT=12022
             SSH_USERNAME=dictxiong
             SSH_OPTIONS='-o ProxyJump="ssh@nasp.ob.ac.cn:36022"'
             ;;
         "" )
-            SERVER=bj1.ob.ac.cn
+            SERVER=proxy.beardic.cn
             local tmp=$(sha256sum <<< "$host" | tr -cd "[:digit:]")
             tmp=${tmp:0:4}
-            PORT=$((tmp+36000))
+            PORT=$((10#$tmp+36000))
             SSH_USERNAME=root
             ;;
         * )
@@ -46,33 +41,59 @@ get_server_meta()
 }
 
 # ssh
-_ssh()
+run_ssh()
 {
-    get_server_meta "$1"
-    fmt_note "--> ssh to $SERVER:$PORT"
-    eval ssh -p $PORT $SSH_OPTIONS $SSH_USERNAME@$SERVER
+    CMD="ssh -p $PORT $SSH_OPTIONS $SSH_USERNAME@$SERVER"
+    fmt_note "-->" $CMD
+    eval $CMD
+}
+
+# sshl
+run_sshl()
+{
+    if [[ -z "$1" || "$1" != *":"* ]]; then
+        fmt_fatal "invalid remote address: $1"
+    fi
+    while
+        local port=$(shuf -n 1 -i 49152-65535)
+        netstat -atun | grep -q "$port"
+    do
+        continue
+    done
+    CMD="ssh -p $PORT $SSH_OPTIONS -NC -L $port:$1 $SSH_USERNAME@$SERVER"
+    fmt_note "-->" $CMD
+    fmt_note "  > please access localhost:$port"
+    eval $CMD
 }
 
 # main
 print_help()
 {
-    fmt_info "usage: $0 <command> <service> [options]"
-    echo "available commands: ssh"
+    fmt_info "usage: $0 <service> [command] [options]"
+    echo "available commands: ssh (default), sshl (ssh -L)"
 }
 
 router()
 {
-    test $# -eq 2 || (print_help && fmt_fatal "invalid arguments")
-    case $1 in
+    if [[ -z "$1" || "$1" == "-h" || "$1" == "--help" ]]; then
+        print_help
+        exit
+    fi
+    get_server_meta "$1"
+    case $2 in
         -h|--help)
             print_help
+            exit
             ;;
-        ssh )
-            _ssh "$2"
+        ssh|"" )
+            run_ssh
+            ;;
+        sshl )
+            run_sshl "$3"
             ;;
         * )
             print_help
-            fmt_fatal "unknown command: $1"
+            fmt_fatal "unknown command: $2"
             ;;
     esac
 }