debian/aiccu.postinst

   1 #!/bin/sh
   2 # postinst script for aiccu
   3
   4 # Abort if any command returns an error value
   5 set -ex
   6
   7 CONFIGFILE="/etc/aiccu.conf"
   8 TMPCONF=/etc/aiccu.conf.dpkg-tmp
   9 TEMPLATE=/usr/share/aiccu/conf-templates/aiccu.conf
  10 CTLINFO="# Under control from debconf, please use 'dpkg-reconfigure aiccu' to reconfigure"
  11 BINARY=/usr/sbin/aiccu
  12
  13 trap 'rm -f $TUNCONF $TMPCONF $TUNFILE' TERM INT EXIT QUIT
  14
  15 case "$1" in
  16     configure|reconfigure)
  17     # source debconf libary.
  18     . /usr/share/debconf/confmodule
  19
  20     # find out what the user answered.
  21     db_get aiccu/username || true
  22     USERNAME="$RET"
  23
  24     db_get aiccu/password || true
  25     PASSWORD="$RET"
  26
  27     db_get aiccu/brokername || true
  28     PROTO=$(echo $RET | cut -f1 -d:)
  29     SERVER=$(echo $RET | cut -f3 -d/)
  30
  31     # Try to get the tunnels using the provided user/pass
  32     if [ "$USERNAME" != "" -a "$PASSWORD" != "" ]; then
  33         TUNCONF=$(tempfile -p aiccu -s tunconf)
  34         TUNFILE=$(tempfile -p aiccu -s tunfile)
  35
  36         echo "username $USERNAME" >> $TUNCONF
  37         echo "password $PASSWORD" >> $TUNCONF
  38
  39         $BINARY tunnels $TUNCONF >$TUNFILE || true
  40
  41         COUNT=$(wc -l $TUNFILE | cut -f1 -d' ')
  42         case $COUNT in
  43         0)
  44                 # No tunnels or bad authentication -> leave unconfigured
  45                 :
  46                 ;;
  47         1)
  48                 # 1 tunnel found -> auto config
  49                 db_set aiccu/tunnelname $(cat $TUNFILE | cut -f1 -d' ')
  50                 ;;
  51         *)
  52                 # >1 tunnel found -> ask user which tunnel to use
  53                 TUNNELS=$(cat $TUNFILE | cut -f1 -d' ' | awk '{print $0","}')
  54                 TUNNELS=$(echo -n $TUNNELS | sed -e 's/,$//g')
  55
  56                 db_subst aiccu/tunnelname tunnels "$TUNNELS"
  57                 db_input high aiccu/tunnelname || true
  58                 db_go || true
  59                 ;;
  60         esac
  61     fi
  62
  63     db_get aiccu/tunnelname || true
  64     TUNNEL="$RET"
  65
  66     # Register configuration file with ucf
  67     ucfr aiccu $CONFIGFILE
  68
  69     if [ "$USERNAME" = "" ]; then
  70         # Not configured yet, thus skip
  71         install -m 600 $TEMPLATE $CONFIGFILE
  72         exit 0;
  73     fi
  74
  75     # Defaults when nothing gets chosen
  76     # This might happen because of broken DNS
  77     if [ "$PROTO" = "" ]; then
  78         PROTO="tic"
  79     fi
  80
  81     if [ "$SERVER" = "" ]; then
  82         SERVER="tic.sixxs.net"
  83     fi
  84
  85     # Make sure that files we create are not readable by anyone but us (root)
  86     umask 077
  87
  88     # Note that it is under debconf control
  89     echo $CTLINFO >> $TMPCONF
  90
  91     # Replace the example lines so that they become normals
  92     sed -e "
  93         /^#username /c username $USERNAME
  94             /^#protocol /c protocol $PROTO
  95             /^#server /c server $SERVER
  96             " < $TEMPLATE >> $TMPCONF
  97
  98     if [ "$PASSWORD" != "" ]; then
  99         sed -i -e "/^#password /c password $PASSWORD" $TMPCONF
 100     fi
 101
 102     if [ "$TUNNEL" != "" ]; then
 103         sed -i -e "/^#tunnel_id /c tunnel_id $TUNNEL" $TMPCONF
 104     fi
 105
 106     # Remove config if equal to template
 107     if diff -q $TEMPLATE $CONFIGFILE; then
 108         rm -f $CONFIGFILE
 109     fi
 110
 111     # Put config file into place
 112     if [ -f $CONFIGFILE ]; then
 113         ucf --debconf-ok $TMPCONF $CONFIGFILE
 114         rm -f $TMPCONF
 115     else
 116         install -m 600 $TMPCONF $CONFIGFILE
 117     fi
 118
 119     # Remove password from database
 120     db_reset aiccu/password
 121
 122     ### END (re)configure ###
 123     ;;
 124
 125     abort-upgrade|abort-remove|abort-deconfigure)
 126     ;;
 127
 128     *)
 129         echo "postinst called with unknown argument \`$1'" >&2
 130         exit 1
 131     ;;
 132 esac
 133
 134 rm -f $TUNCONF $TMPCONF $TUNFILE
 135
 136 # dh_installdeb will replace this with shell code automatically
 137 # generated by other debhelper scripts.
 138
 139 #DEBHELPER#
 140
 141 exit 0