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=""

10 while true; do

11 a="$1"

12 r="$r $1"; shift

13 case "$a" in

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

15 -*) ;;

16 *) break ;;

17 esac

18 done

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

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

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

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

23 </dev/null >/dev/null

24 }

25

26 pppssh()

27 {

28 ssh="dbclient -y"

29 $ssh $1 true || {

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

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

32 $ssh $1 true || exit 1

33 }

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

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

36 '$1=="0.0.0.0"{ print d " gw " $2 " dev " $8 }')"

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

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

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

40 [ "$4" ] && echo "route add $extra" >> /etc/ppp/ip-up.d/pppssh$$

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

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

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

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

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

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

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

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

49 [ "$6" == "test" ] && sshcmd="nc -ulp $5 -e nc localhost 22" &&

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

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

52 eval $ppp $arg ipparam pppssh$$

53 [ "$4" ] && route del $extra

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

55 }

56

57 xfbvnc()

58 {

59 p=5900

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

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

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

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

64 fbvnc 127.0.0.1 $p

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

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

67 }

68

69 case "$(basename $0)" in

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

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

72 $(fbvnc --help 2>&1 | sed '1,/Usage:/d')

73 EOT

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

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

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

77 EOT

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

79 xauth list $DISPLAY | xdbclient "$@"

80 esac