contrib/debug_server

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2013 Holger Weiss <holger@weiss.in-berlin.de>
   4 #
   5 # This file is free software; Holger Weiss gives unlimited permission to copy
   6 # and/or distribute it, with or without modifications, as long as this notice is
   7 # preserved.
   8 #
   9 # This program is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY, to the extent permitted by law; without even the implied
  11 # warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 set -e
  14 set -u
  15
  16 default_config_file='/etc/send_nsca.cfg'
  17 default_port='5668'
  18
  19 die()
  20 {
  21         echo >&2 "$@"
  22         exit 1
  23 }
  24
  25 usage()
  26 {
  27         die "Usage: $0 [-c <config-file>] [-H <server>] [-p <port>]"
  28 }
  29
  30 xxd </dev/null >/dev/null 2>&1 || die "$0: xxd(1) is required"
  31
  32 while getopts c:H:hp: option
  33 do
  34         case $option in
  35         c)
  36                 config_file=$OPTARG
  37                 ;;
  38         H)
  39                 opt_server=$OPTARG
  40                 ;;
  41         h|\?)
  42                 usage
  43                 ;;
  44         p)
  45                 opt_port=$OPTARG
  46                 ;;
  47         esac
  48 done
  49
  50 shift `expr $OPTIND - 1`
  51 test $# -eq 0 || usage
  52
  53 config_file=${config_file:-$default_config_file}
  54
  55 if [ -r "$config_file" ]
  56 then
  57         eval "`sed 's/[[:space:]]*=[[:space:]]*/=/' "$config_file"`"
  58 else
  59         echo >&2 "Cannot read $config_file (continuing anyway)"
  60 fi
  61
  62 server=${server:-'localhost'}
  63 server=${opt_server:-$server}
  64 port=${port:-$default_port}
  65 port=${opt_port:-$port}
  66 identity=${identity:-`hostname -s`}
  67 password=${password:-'change-me'}
  68 ciphers=${tls_ciphers:-'PSK-AES256-CBC-SHA:PSK-AES128-CBC-SHA:PSK-3DES-EDE-CBC-SHA:PSK-RC4-SHA'}
  69
  70 exec openssl s_client                                           \
  71     -crlf                                                       \
  72     -cipher "$ciphers"                                          \
  73     -psk_identity "$identity"                                   \
  74     -psk `printf '%s' "$password" | xxd -p | tr -d '\n'`        \
  75     -connect "$server:$port"
  76
  77 # vim:set joinspaces noexpandtab textwidth=80: