debian/aiccu.postinst

   1 #!/bin/sh -e
   2
   3 CONFIGFILE="/etc/aiccu.conf"
   4 TMPCONF=/etc/aiccu.conf.dpkg-tmp
   5 EXAMPLE=/usr/share/doc/aiccu/examples/aiccu.conf
   6 CTLINFO="# Under control from debconf, please use 'dpkg-reconfigure aiccu' to reconfigure"
   7 BINARY=/usr/sbin/aiccu
   8
   9 . /usr/share/debconf/confmodule
  10
  11 db_get aiccu/username
  12 USERNAME="$RET"
  13
  14 db_get aiccu/password
  15 PASSWORD="$RET"
  16
  17 AICCUOUT=$($BINARY brokers)
  18
  19 db_get aiccu/brokername
  20 URL=$(echo "$AICCUOUT" | grep "$RET")
  21 PROTO=$(echo $URL | cut -f2 -d'|' | cut -f1 -d:)
  22 SERVER=$(echo $URL | cut -f2 -d'|' | cut -f3 -d/)
  23
  24 db_get aiccu/tunnelname
  25 TUNNEL="$RET"
  26
  27 db_stop
  28
  29 if [ "$USERNAME" = "" ]; then
  30         # Not configured yet, thus skip
  31         exit 0;
  32 fi
  33
  34 # Defaults when nothing gets chosen
  35 # This might happen because of broken DNS
  36 if [ "$PROTO" = "" ]; then
  37         PROTO="tic"
  38 fi
  39
  40 if [ "$SERVER" = "" ]; then
  41         SERVER="tic.sixxs.net"
  42 fi
  43
  44 # Make sure that files we create are not readable by anyone but us (root)
  45 umask 077
  46
  47 # Check if the /etc/aiccu.conf is actually the example
  48 if [ diff -q $EXAMPLE $CONFIGFILE 2>/dev/null >/dev/null ]; then
  49         DEFAULTCONFIG="true"
  50 else
  51         DEFAULTCONFIG="false"
  52 fi
  53
  54 # Install a default config when it didn't exist yet or it is the same as the example
  55 # bash uses '==', dash uses '=', thus use '!=' as that is the same
  56 if [ "$DEFAULTCONFIG" != "false" -o ! -e "$CONFIGFILE" ]; then
  57
  58         # Note that it is under debconf control
  59         echo $CTLINFO >> $TMPCONF
  60
  61         # Replace the example lines so that they become normals
  62         sed -e "s/^#username .*/username $USERNAME/; s/^#password .*/password $PASSWORD/; s/^#protocol .*/protocol $PROTO/; s/^#server .*/server $SERVER/; s/^#tunnel_id .*/tunnel_id $TUNNEL/;" < $EXAMPLE >> $TMPCONF
  63
  64 # Modify the existing one
  65 else
  66         # Note that it is under debconf control
  67         if ! grep -q "^$CTLINFO" $CONFIGFILE; then
  68                 echo $CTLINFO >> $TMPCONF >>$TMPCONF
  69         fi
  70
  71         # Make sure that all the variables can be stored somewhere
  72         if ! grep -q "^username" $CONFIGFILE; then
  73                 if [ "$USERNAME" != "" ]; then
  74                         echo "username $USERNAME" >> $TMPCONF
  75                 fi
  76         fi
  77
  78         if ! grep -q "^password" $CONFIGFILE; then
  79                 if [ "$PASSWORD" != "" ]; then
  80                         echo "password $PASSWORD" >> $TMPCONF
  81                 fi
  82         fi
  83
  84         if ! grep -q "^protocol" $CONFIGFILE; then
  85                 if [ "$PROTO" != "" ]; then
  86                         echo "protocol $PROTO" >> $TMPCONF
  87                 fi
  88         fi
  89         if ! grep -q "^server" $CONFIGFILE; then
  90                 if [ "$SERVER" != "" ]; then
  91                         echo "server $SERVER" >> $TMPCONF
  92                 fi
  93         fi
  94
  95         if ! grep -q "^tunnel_id" $CONFIGFILE; then
  96                 if [ "$TUNNEL" != "" ]; then
  97                         echo "tunnel_id $TUNNEL" >> $TMPCONF
  98                 fi
  99         fi
 100
 101         sed -e "s/^username .*/username $USERNAME/; s/^password .*/password $PASSWORD/; s/^protocol .*/protocol $PROTO/; s/^server .*/server $SERVER/; s/^tunnel_id .*/tunnel_id $TUNNEL/;" < $CONFIGFILE >> $TMPCONF
 102 fi
 103
 104 # Move it into place
 105 mv -f $TMPCONF $CONFIGFILE
 106 # Just in case, make sure the permissions are perfect and dandy
 107 chmod 600 $CONFIGFILE
 108