debian/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 [ "$1" = "configure" ] || exit 0
   6 [ $DEBIAN_SCRIPT_DEBUG ] && set -vx
   7
   8
   9 # Load debconf
  10 . /usr/share/debconf/confmodule
  11
  12 # Include CARNet functions
  13 . /usr/share/carnet-tools/functions.sh
  14
  15 PKG="squirrelmail-change-pass-cn"
  16 VERSION="3.0-2"
  17 SQCONFDIR="/etc/squirrelmail"
  18 SQCONF="$SQCONFDIR/config.php"
  19 SQCPCONF="$SQCONFDIR/config_change_pass.php"
  20 CPCONF="/usr/share/squirrelmail/plugins/change_pass/config.php"
  21 need_restart=0
  22 min_pass_changed=0
  23 temp_files=
  24
  25 set_min_pass_length () {
  26
  27     local sed_re conf_file
  28     conf_re="$1"
  29     conf_file="$2"
  30     temp_files="$temp_files $conf_file.dpkg-tmp"
  31
  32     sed "$conf_re" "$conf_file" > "$conf_file.dpkg-tmp"
  33
  34     if ! cmp -s "$conf_file" "$conf_file.dpkg-tmp" 2>&1 >/dev/null; then
  35         cp_mv "$conf_file.dpkg-tmp" "$conf_file"
  36         min_pass_changed=1
  37     else
  38         rm -f "$conf_file.dpkg-tmp"
  39     fi
  40 }
  41
  42 cleanup () {
  43
  44     if [ -n "$temp_files" ]; then
  45         for temp_item in $temp_files; do
  46             if [ -e "$temp_item" ]; then
  47                 rm -f $temp_item
  48             fi
  49         done
  50     fi
  51 }
  52
  53 trap cleanup 0 1 2 15
  54
  55
  56 # Configure poppassd to refuse connection from all hosts
  57 # but localhost (127.0.0.1).
  58 #
  59 if [ ! -f /etc/hosts.deny ]; then
  60     touch /etc/hosts.deny
  61 fi
  62 if ! egrep -q '^poppassd:' /etc/hosts.deny; then
  63     echo "poppassd: ALL" | cp-update "$PKG" /etc/hosts.deny
  64 fi
  65 if [ ! -f /etc/hosts.allow ]; then
  66     touch /etc/hosts.allow
  67 fi
  68 if ! egrep -q '^poppassd:' /etc/hosts.allow; then
  69     echo "poppassd: 127.0.0.1" | cp-update "$PKG" /etc/hosts.allow
  70 fi
  71
  72
  73 # Configure SquirrelMail change_pass plugin - using defaults,
  74 # no configuration files if earlier version is older than 3.0-1.
  75 #
  76 if [ "$2" ] && dpkg --compare-versions $2 lt 3.0-1; then
  77
  78     cp_echo "CN: This version of change_pass plugin contains major changes."
  79     cp_echo "CN: For detailed description, see documentation in /usr/share/doc/$PKG/."
  80
  81     if [ -f "$SQCPCONF" ]; then
  82         mv -f "$SQCPCONF" "$SQCPCONF.cn-old"
  83         cp_echo "CN: Old $SQCPCONF disabled and renamed to $SQCPCONF.cn-old."
  84     fi
  85     if [ -f "$CPCONF" ]; then
  86         mv -f "$CPCONF" "$CPCONF.cn-old"
  87         cp_echo "CN: Old $CPCONF disabled and renamed to $CPCONF.cn-old."
  88     fi
  89 fi
  90
  91
  92 # Check for change_pass configuration file and notify user about
  93 # minimum password length configuration.
  94 #
  95 if [ ! -f "$SQCPCONF" ] && [ ! -f "$CPCONF" ]; then
  96
  97     # Configuration file does not exist.
  98     cp_echo "CN: Generating new file $CPCONF"
  99     cat > "$CPCONF" <<EOF
 100 <?php
 101 //// Begin - Generated by CARNet package $PKG
 102 //
 103 //  REMOVE this whole block if you DON'T WANT $PKG
 104 //  to edit your configuration file.
 105 //
 106 //// End - Generated by CARNet package $PKG
 107     \$min_pass_length = 8;
 108
 109     // The default server is the configured IMAP server
 110     #\$poppass_server = 'localhost';
 111
 112     // The default port is 106
 113     #\$poppass_port = 106;
 114
 115     \$max_pass_length = 9999999;
 116 EOF
 117     min_pass_changed=1
 118 else
 119
 120     # Checking for configuration file/s and minimum password length.
 121     echo "CN: Checking for minimum password length configuration."
 122     cn_tag_re="^\/\/\/\/ Begin - Generated by CARNet package $PKG$"
 123
 124     for cpconf_file in $SQCPCONF $CPCONF; do
 125
 126         min_pass_changed=0
 127         if [ -f "$cpconf_file" ]; then
 128
 129             seddef="/^[[:space:]]*\\\$min_pass_length[[:space:]]*=[^;]*;[[:space:]]*$/d;
 130                     s/\\\$min_pass_length[[:space:]]*=[^;]*;//g;"
 131
 132             if egrep -q "$cn_tag_re" "$cpconf_file"; then
 133
 134                 # Configuration file is tagged by CARNet.
 135                 seddef="$seddef /^\/\/\/\/ End - Generated by CARNet package $PKG$/s/\(.*\)/\1\n"
 136                 seddef="$seddef    \\\$min_pass_length = 8;/"
 137
 138                 set_min_pass_length "$seddef" "$cpconf_file"
 139             else
 140
 141                 if [ "$2" ] && dpkg --compare-versions $2 lt 3.0-2; then
 142
 143                     # Add CARNet package info lines to config's header and set up $min_pass_length.
 144                     seddef="$seddef 0,/?>/s/^[[:space:]]*\(<?php\|<?\)\(.*\)/\1\n"
 145                     seddef="$seddef\/\/\/\/ Begin - Generated by CARNet $PKG\n\/\/\n"
 146                     seddef="$seddef\/\/  REMOVE this whole block if you DON'T WANT $PKG\n"
 147                     seddef="$seddef\/\/  to edit your configuration file.\n\/\/\n"
 148                     seddef="$seddef\/\/\/\/ End - Generated by CARNet package $PKG\n"
 149                     seddef="$seddef    \\\$min_pass_length = 8;\n\2/"
 150
 151                     set_min_pass_length "$seddef" "$cpconf_file"
 152                 fi
 153             fi
 154         fi
 155     done
 156 fi
 157
 158 if [ $min_pass_changed -eq 1 ]; then
 159     db_fset squirrelmail-change-pass-cn/min_pass_length seen false
 160     db_title squirrelmail-change-pass-cn - konfiguracija
 161     db_input critical squirrelmail-change-pass-cn/min_pass_length || true
 162     db_go || true
 163     cp_echo "CN: Minimum password length has been set to 8 characters."
 164 fi
 165
 166 db_stop || true
 167
 168
 169 # Enable change_pass plugin in SquirrelMail config.php.
 170 #
 171 if ! egrep -q '^\$plugins\[[0-9]+\][\ ]*=[\ ]*'\''change_pass'\' "$SQCONF"; then
 172
 173     if cp_check_and_backup "$SQCONF"; then
 174         cp_echo "CN: Old $SQCONF saved as \"/var/backups/${SQCONF##*/}.bak\"."
 175     fi
 176
 177     cp_echo "CN: Enabling SquirrelMail change_pass plugin in $SQCONF"
 178     /usr/sbin/squirrelmail-configure --install-plugin change_pass
 179 fi
 180
 181
 182 # Convert poppassd service from inetd.conf to xinetd.conf type.
 183 # Service configuration is saved in /etc/xinetd.d/ directory.
 184 #
 185 if [ -x /etc/init.d/xinetd -a -d /etc/xinetd.d -a -x /usr/sbin/itox ]; then
 186
 187   if egrep -q '^poppassd' /etc/inetd.conf && \
 188      [ ! -f /etc/xinetd.d/poppassd ]; then
 189
 190         cp_echo "CN: Enabling poppassd in /etc/xinetd.d/poppassd"
 191
 192         touch /etc/xinetd.d/poppassd.$$
 193         grep "^poppassd" /etc/inetd.conf  | \
 194                 itox -daemon_dir /usr/sbin | cp-update "$PKG" /etc/xinetd.d/poppassd.$$
 195         cp_mv /etc/xinetd.d/poppassd.$$ /etc/xinetd.d/poppassd
 196
 197         need_restart=1
 198   fi
 199 fi
 200
 201
 202 # Restart xinetd if needed.
 203 #
 204 if [ $need_restart -eq 1 ]; then
 205
 206         if [ -x "/etc/init.d/xinetd" ]; then
 207                 if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
 208                         invoke-rc.d xinetd restart || exit $?
 209                 else
 210                         /etc/init.d/xinetd restart || exit $?
 211                 fi
 212         fi
 213 fi
 214
 215
 216 # Mail root
 217 #
 218 cp_mail "$PKG"
 219
 220 exit 0