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 # First of all, do the backup.
  74 #
  75 done_backup=0
  76 for cpconf_file in $SQCPCONF $CPCONF; do
  77     if [ -f "$cpconf_file" ] && [ ! -L "$cpconf_file" ]; then
  78         cp_echo "CN: Doing backup for $cpconf_file"
  79         cp_backup_conffile -d "/var/backups/$PKG" -p $cpconf_file
  80         done_backup=1
  81     fi
  82 done
  83 if [ $done_backup -eq 1 ]; then
  84     cp_echo "CN: Backup is located in directory: /var/backups/$PKG/"
  85 fi
  86
  87
  88 # Remove change_pass configuration files if earlier version is
  89 # older than 3.0-1.
  90 #
  91 if [ "$2" ] && dpkg --compare-versions $2 lt 3.0-1; then
  92
  93     cp_echo "CN: This version of change_pass plugin contains major changes."
  94     for cpconf_file in $SQCPCONF $CPCONF; do
  95         if [ -f "$cpconf_file" ] || [ -L "$cpconf_file" ]; then
  96             rm -f $cpconf_file
  97             cp_echo "CN: Removed old $cpconf_file"
  98         fi
  99     done
 100 fi
 101
 102
 103 # Check for change_pass configuration files and notify user about
 104 # minimum password length configuration.
 105 #
 106 if egrep -q '^\$plugins\[[0-9]+\][\ ]*=[\ ]*'\''change_pass'\' "$SQCONF"; then
 107     /usr/sbin/squirrelmail-configure --remove-plugin change_pass
 108 fi
 109
 110 if [ ! -f "$SQCPCONF" ]; then
 111
 112     if [ -f "$CPCONF" ]; then
 113         cp -f "$CPCONF" "$SQCPCONF"
 114         cp_echo "CN: $CPCONF copied to $SQCPCONF"
 115     else
 116
 117         # Configuration file does not exist.
 118         cp_echo "CN: Generating new file $SQCPCONF"
 119         cat > "$SQCPCONF" <<EOF
 120 <?php
 121 //// Begin - Generated by CARNet package $PKG
 122 //
 123 //  REMOVE this whole block if you DON'T WANT $PKG
 124 //  to edit your configuration file.
 125 //
 126 //// End - Generated by CARNet package $PKG
 127     \$min_pass_length = 8;
 128
 129     // The default server is the configured IMAP server
 130     #\$poppass_server = 'localhost';
 131
 132     // The default port is 106
 133     #\$poppass_port = 106;
 134
 135     \$max_pass_length = 9999999;
 136 EOF
 137         min_pass_changed=1
 138     fi
 139 fi
 140
 141 if [ $min_pass_changed -eq 0 ]; then
 142
 143     echo "CN: Checking for minimum password length configuration."
 144
 145     cn_tag_re="^\/\/\/\/ Begin - Generated by CARNet package $PKG$"
 146     seddef="/^[[:space:]]*\\\$min_pass_length[[:space:]]*=[^;]*;[[:space:]]*$/d;
 147             s/\\\$min_pass_length[[:space:]]*=[^;]*;//g;"
 148
 149     if egrep -q "$cn_tag_re" "$SQCPCONF"; then
 150
 151         # Configuration file is tagged by CARNet.
 152         seddef="$seddef /^\/\/\/\/ End - Generated by CARNet package $PKG$/s/\(.*\)/\1\n"
 153         seddef="$seddef    \\\$min_pass_length = 8;/"
 154         set_min_pass_length "$seddef" "$SQCPCONF"
 155     else
 156
 157         if dpkg --compare-versions "$2" lt 3.0-2; then
 158
 159             # Add CARNet package info lines to config's header and set up $min_pass_length.
 160             seddef="$seddef 0,/?>/s/^[[:space:]]*\(<?php\|<?\)\(.*\)/\1\n"
 161             seddef="$seddef\/\/\/\/ Begin - Generated by CARNet $PKG\n\/\/\n"
 162             seddef="$seddef\/\/  REMOVE this whole block if you DON'T WANT $PKG\n"
 163             seddef="$seddef\/\/  to edit your configuration file.\n\/\/\n"
 164             seddef="$seddef\/\/\/\/ End - Generated by CARNet package $PKG\n"
 165             seddef="$seddef    \\\$min_pass_length = 8;\n\2/"
 166             set_min_pass_length "$seddef" "$SQCPCONF"
 167         fi
 168     fi
 169 fi
 170
 171 # Just to be sure.
 172 ln -sf "$SQCPCONF" "$CPCONF"
 173
 174 if [ $min_pass_changed -eq 1 ]; then
 175     db_fset squirrelmail-change-pass-cn/min_pass_length seen false
 176     db_title squirrelmail-change-pass-cn - konfiguracija
 177     db_input critical squirrelmail-change-pass-cn/min_pass_length || true
 178     db_go || true
 179     cp_echo "CN: Minimum password length has been set to 8 characters."
 180 fi
 181
 182 db_stop || true
 183
 184
 185 # Enable change_pass plugin in SquirrelMail config.php.
 186 #
 187 if ! egrep -q '^\$plugins\[[0-9]+\][\ ]*=[\ ]*'\''change_pass'\' "$SQCONF"; then
 188
 189     if cp_check_and_backup "$SQCONF"; then
 190         cp_echo "CN: Old $SQCONF saved as \"/var/backups/${SQCONF##*/}.bak\"."
 191     fi
 192
 193     /usr/sbin/squirrelmail-configure --install-plugin change_pass
 194 fi
 195
 196
 197 # Convert poppassd service from inetd.conf to xinetd.conf type.
 198 # Service configuration is saved in /etc/xinetd.d/ directory.
 199 #
 200 if [ -x /etc/init.d/xinetd -a -d /etc/xinetd.d -a -x /usr/sbin/itox ]; then
 201
 202     if egrep -q '^poppassd' /etc/inetd.conf && \
 203         [ ! -f /etc/xinetd.d/poppassd ]; then
 204
 205         cp_echo "CN: Enabling poppassd in /etc/xinetd.d/poppassd"
 206
 207         touch /etc/xinetd.d/poppassd.$$
 208         grep "^poppassd" /etc/inetd.conf  | \
 209             itox -daemon_dir /usr/sbin | cp-update "$PKG" /etc/xinetd.d/poppassd.$$
 210         cp_mv /etc/xinetd.d/poppassd.$$ /etc/xinetd.d/poppassd
 211
 212         need_restart=1
 213     fi
 214 fi
 215
 216
 217 # Restart xinetd if needed.
 218 #
 219 if [ $need_restart -eq 1 ]; then
 220
 221     if [ -x "/etc/init.d/xinetd" ]; then
 222         if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
 223             invoke-rc.d xinetd restart || exit $?
 224         else
 225             /etc/init.d/xinetd restart || exit $?
 226         fi
 227     fi
 228 fi
 229
 230
 231 # Mail root
 232 #
 233 cp_mail "$PKG"
 234
 235 exit 0