SliTaz Repositories

1 #!/bin/sh

2

3 xdbclient()

4 {

5 read host data

6 svr=${DISPLAY#*:}

7 n=$((10+($RANDOM % 90))); dpy=localhost:$n

8 scr=${DISPLAY/${DISPLAY%.*}/$dpy}

9 r="" ; p="22"; k=""

10 while true; do

11 a="$1"

12 r="$r $1"; shift

13 case "$a" in

14 -p) p=$1 ;;

15 -i) k="$k-i $1 " ;;

16 esac

17 case "$a" in

18 -[piIlLRWKBJ]) r="$r $1"; shift;;

19 -*) ;;

20 *) break ;;

21 esac

22 done

23 xhost +localhost > /dev/null 2>&1

24 pxypass="${DBPROXY_PASSWORD:+export DROPBEAR_PASSWORD=$DBPROXY_PASSWORD; }"

25 [ -n "$1" ] || set -- "${TERM:-xterm} -ls || ${TERM:-sakura} -l || xterm -ls"

26 exec dbclient -f -R $((6000+$n)):localhost:$((6000+${svr%.*})) $r \

27 ${DBPROXY:+-J "sh -c '${pxypass}dbclient ${k}-B ${a#*@}:$p $DBPROXY'"} \

28 "xauth add $dpy $data; export DISPLAY=$scr; $@ ; xauth remove $dpy" \

29 </dev/null >/dev/null

30 }

31

32 pppssh()

33 {

34 ssh="dbclient -y"

35 $ssh $1 true || {

36 [ -z "$DROPBEAR_PASSWORD" ] && echo -n "ssh password: " &&

37 read -s -t 30 DROPBEAR_PASSWORD && export DROPBEAR_PASSWORD

38 $ssh $1 true || exit 1

39 }

40 extra="$(route -n | awk -vd=$(nslookup ${1#*@} | sed '/::/d' | \

41 sed '$!d;s/.*: \([^ ]*\).*/\1/') \

42 '$1=="0.0.0.0"{ print d " gw " $2 " dev " $8 }')"

43 for i in ${4/default/128.0.0.0/1 0.0.0.0/1} ; do

44 echo "route add -net $i dev \$1"

45 done > /etc/ppp/ip-up.d/pppssh$$

46 [ "$4" ] && echo "route add $extra" >> /etc/ppp/ip-up.d/pppssh$$

47 chmod +x /etc/ppp/ip-up.d/pppssh$$

48 n=10.$(($$%256)).$(($$/256))

49 n="${2:-$n.1:$n.2} passive"

50 ppp="/usr/sbin/pppd local noauth nodetach"

51 arg="$n pty '$ssh $1 $ppp ${3:-proxyarp} notty'"

52 pppsvr="$ppp $n ${3:-proxyarp} notty >/dev/null"

53 sshcmd="nc -ulp $5 -e $pppsvr"

54 udpcmd="nc -u ${1#*@} $5"

55 [ "$6" == "test" ] && sshcmd="nc -ulp $5 -e nc localhost 22" &&

56 udpcmd="dbclient -y -J \"nc -u ${1#*@} $5\" ${1%@*}@localhost $pppsvr"

57 [ -n "$5" ] && arg="noipdefault pty '$udpcmd'" && $ssh -f $1 "$sshcmd"

58 eval $ppp $arg ipparam pppssh$$

59 [ "$4" ] && route del $extra

60 rm -f /etc/ppp/ip-up.d/pppssh$$ 2> /dev/null

61 }

62

63 xfbvnc()

64 {

65 p=5900

66 while netstat -tln | grep -q ":$p " ; do p=$(($p+1)); done

67 [ -r /dev/input/mice ] || echo "Warning: Cannot read mouse input." 1>&2

68 svr=${1#*/}; [ "$svr" == "$1" ] && svr=127.0.0.1

69 dbclient -y -f -N -L $p:$svr:${2:-5900} ${1%/*}

70 fbvnc 127.0.0.1 $p

71 kill $(netstat -tlnp 2> /dev/null | \

72 sed "/:$p /!d;s|.* \\([0-9]*\\)/[^ ]*|\\1|")

73 }

74

75 case "$(basename $0)" in

76 *vnc) [ -z "$1" ] && cat <<EOT || xfbvnc "$@" ;;

77 Usage: $0 '[sshargs] user@remote[/lanip]' [vncport]

78 $(fbvnc --help 2>&1 | sed '1,/Usage:/d')

79 EOT

80 ppp*) [ -z "$1" ] && cat <<EOT || pppssh "$@" ;;

81 Usage: $0 '[sshargs] user@remote' '[localip:remoteip] [localpppargs]' 'remotepppargs' 'routes' [udp-port]

82 Example: $0 tux@slitaz.org '' '' '192.168.1.0/24 10.1.2.0/24'

83 EOT

84 *) [ -z "$DISPLAY" ] && exec dbclient -y "$@"

85 xauth list $DISPLAY | xdbclient -y "$@"

86 esac