debian/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 [ "$1" = "configure" ] || exit 0
   6 [ $DEBIAN_SCRIPT_DEBUG ] && set -vx
   7
   8 # Include CARNet functions
   9 . /usr/share/carnet-tools/functions.sh
  10
  11 PKG="squirrelmail-change-pass-cn"
  12 VERSION="3.0.2"
  13 SQCONFDIR="/etc/squirrelmail"
  14 SQCONF="$SQCONFDIR/config.php"
  15 SQCPCONF="$SQCONFDIR/config_change_pass.php"
  16 CPCONF="/usr/share/squirrelmail/plugins/change_pass/config.php"
  17 need_restart=0
  18 min_pass_changed=0
  19
  20
  21 # Configure poppassd to refuse connection from all hosts
  22 # but localhost (127.0.0.1).
  23 #
  24 if [ ! -f /etc/hosts.deny ]; then
  25     touch /etc/hosts.deny
  26 fi
  27 if ! egrep -q '^poppassd:' /etc/hosts.deny; then
  28     echo "poppassd: ALL" | cp-update "$PKG" /etc/hosts.deny
  29 fi
  30 if [ ! -f /etc/hosts.allow ]; then
  31     touch /etc/hosts.allow
  32 fi
  33 if ! egrep -q '^poppassd:' /etc/hosts.allow; then
  34     echo "poppassd: 127.0.0.1" | cp-update "$PKG" /etc/hosts.allow
  35 fi
  36
  37
  38 # First of all, do the backup.
  39 #
  40 done_backup=0
  41 for cpconf_file in $SQCPCONF $CPCONF; do
  42     if [ -f "$cpconf_file" ] && [ ! -L "$cpconf_file" ]; then
  43         cp_echo "CN: Doing backup for $cpconf_file"
  44         cp_backup_conffile -d "/var/backups/$PKG" -p $cpconf_file
  45         done_backup=1
  46     fi
  47 done
  48 if [ $done_backup -eq 1 ]; then
  49     cp_echo "CN: Backup is located in directory: /var/backups/$PKG/"
  50 fi
  51
  52
  53 # Remove change_pass configuration files if earlier version is
  54 # older than 3.0-1.
  55 #
  56 if [ "$2" ] && dpkg --compare-versions $2 lt 3.0-1; then
  57
  58     cp_echo "CN: This version of change_pass plugin contains major changes."
  59     for cpconf_file in $SQCPCONF $CPCONF; do
  60         if [ -f "$cpconf_file" ] || [ -L "$cpconf_file" ]; then
  61             rm -f $cpconf_file
  62             cp_echo "CN: Removed old $cpconf_file"
  63         fi
  64     done
  65 fi
  66
  67
  68 # Check for change_pass configuration files and notify user about
  69 # minimum password length configuration.
  70 #
  71 if egrep -q '^\$plugins\[[0-9]+\][\ ]*=[\ ]*'\''change_pass'\' "$SQCONF"; then
  72     /usr/sbin/squirrelmail-configure --remove-plugin change_pass
  73 fi
  74
  75 if [ ! -f "$SQCPCONF" ]; then
  76
  77     if [ -f "$CPCONF" ]; then
  78         cp -f "$CPCONF" "$SQCPCONF"
  79         cp_echo "CN: $CPCONF copied to $SQCPCONF"
  80     else
  81
  82         # Configuration file does not exist.
  83         cp_echo "CN: Generating new file $SQCPCONF"
  84         cat > "$SQCPCONF" <<EOF
  85 <?php
  86     // The default server is the configured IMAP server
  87     #\$poppass_server = 'localhost';
  88
  89     // The default port is 106
  90     #\$poppass_port = 106;
  91
  92     \$min_pass_length = 8;
  93     \$max_pass_length = 9999999;
  94 EOF
  95         min_pass_changed=1
  96     fi
  97 fi
  98
  99 # Just to be sure.
 100 ln -sf "$SQCPCONF" "$CPCONF"
 101
 102 if [ $min_pass_changed -eq 1 ]; then
 103     cp_echo "CN: Minimum password length has been set to 8 characters."
 104 fi
 105
 106
 107 # Enable change_pass plugin in SquirrelMail config.php.
 108 #
 109 if ! egrep -q '^\$plugins\[[0-9]+\][\ ]*=[\ ]*'\''change_pass'\' "$SQCONF"; then
 110     /usr/sbin/squirrelmail-configure --install-plugin change_pass
 111 fi
 112
 113
 114 # Convert poppassd service from inetd.conf to xinetd.conf type.
 115 # Service configuration is saved in /etc/xinetd.d/ directory.
 116 #
 117 if [ -x /etc/init.d/xinetd -a -d /etc/xinetd.d -a -x /usr/sbin/itox ]; then
 118
 119     if egrep -q '^poppassd' /etc/inetd.conf && \
 120         [ ! -f /etc/xinetd.d/poppassd ]; then
 121
 122         cp_echo "CN: Enabling poppassd in /etc/xinetd.d/poppassd"
 123
 124         touch /etc/xinetd.d/poppassd.$$
 125         grep "^poppassd" /etc/inetd.conf  | \
 126             itox -daemon_dir /usr/sbin | cp-update "$PKG" /etc/xinetd.d/poppassd.$$
 127         cp_mv /etc/xinetd.d/poppassd.$$ /etc/xinetd.d/poppassd
 128
 129         need_restart=1
 130     fi
 131 fi
 132
 133
 134 # Restart xinetd if needed.
 135 #
 136 if [ $need_restart -eq 1 ]; then
 137
 138     if [ -x "/etc/init.d/xinetd" ]; then
 139         if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
 140             invoke-rc.d xinetd restart || exit $?
 141         else
 142             /etc/init.d/xinetd restart || exit $?
 143         fi
 144     fi
 145 fi
 146
 147
 148 # Mail root
 149 #
 150 cp_mail "$PKG"
 151
 152 #DEBHELPER#
 153
 154 exit 0