mirror of
https://github.com/DictXiong/dotfiles.git
synced 2025-11-04 15:47:49 +08:00
102 lines
2.1 KiB
Bash
Executable File
102 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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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 "$THIS_DIR/../tools/common.sh"
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# get target settings
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# provides:
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SERVER=""
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PORT=""
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SSH_USERNAME=""
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SSH_OPTIONS=""
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get_server_meta()
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{
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local domain=${1##*.}
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local host=${1%.*}
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if [[ "$host" == "$domain" ]]; then
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domain=""
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fi
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case $domain in
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ibd|ebd )
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SERVER=$host.$domain.ink
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PORT=12022
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SSH_USERNAME=root
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;;
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nasp )
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SERVER=$host
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PORT=22
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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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;;
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"" )
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SERVER=proxy.beardic.cn
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local tmp=$(sha256sum <<< "$host" | tr -cd "[:digit:]")
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tmp=${tmp:0:4}
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PORT=$((tmp+36000))
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SSH_USERNAME=root
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;;
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* )
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fmt_fatal "unknown domain: $domain"
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esac
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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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}
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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: $1"
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fi
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while
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local port=$(shuf -n 1 -i 49152-65535)
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netstat -atun | grep -q "$port"
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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 "-->" $CMD
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fmt_note " > please access localhost:$port"
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eval $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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}
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router()
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{
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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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case $2 in
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-h|--help)
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print_help
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exit
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;;
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ssh|"" )
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run_ssh
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;;
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sshl )
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run_sshl "$3"
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;;
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* )
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print_help
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fmt_fatal "unknown command: $2"
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;;
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esac
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}
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router "${GOT_OPTS[@]}"
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