generate-expire-config

   1 #!/bin/bash
   2
   3 #
   4 # CONFIGURATION
   5 #
   6 LANG=C
   7 DISABLED_PAGE=/~sysadmin/expired/index.php
   8 WHITELIST="ctdalek"
   9 #
  10 # Temporary files
  11 #
  12 EXPIRED_USERS=$(mktemp "/tmp/expired_users.XXXX")
  13
  14 #
  15 # Identify expired accounts
  16 #
  17
  18 # Get the current term
  19 YEAR=$(date '+%Y')
  20 MONTH=$(date '+%m')
  21 TERM_START_MONTH=$(($MONTH - (($MONTH - 1) % 4)))
  22
  23 # NOTE: This is configured to give 1 months grace period
  24 if [ ${TERM_START_MONTH} -eq 1 ]; then
  25    if [ ${MONTH} -eq 1 ]; then
  26       TERM_FILTER="(!(term=F$((${YEAR} - 1))))(!(term=W${YEAR}))"
  27    else
  28       TERM_FILTER="(!(term=W${YEAR}))"
  29    fi
  30 elif [ ${TERM_START_MONTH} -eq 5 ]; then
  31    if [ ${MONTH} -eq 5 ]; then
  32       TERM_FILTER="(!(term=W${YEAR}))(!(term=S${YEAR}))"
  33    else
  34       TERM_FILTER="(!(term=S${YEAR}))"
  35    fi
  36 elif [ ${TERM_START_MONTH} -eq 9 ]; then
  37    if [ ${MONTH} -eq 9 ]; then
  38       TERM_FILTER="(!(term=S${YEAR}))(!(term=F${YEAR}))"
  39    else
  40       TERM_FILTER="(!(term=F${YEAR}))"
  41    fi
  42 else
  43    echo "Invalid term start month: ${TERM_START_MONTH}" >&2
  44    exit 1
  45 fi
  46
  47 # Find expired accounts
  48 ldapsearch -xb "ou=People,dc=csclub,dc=uwaterloo,dc=ca" "(&${TERM_FILTER}(objectClass=member))" | grep 'uid:' | awk '{print $2}' | sort -u > ${EXPIRED_USERS}
  49
  50 #
  51 # Generate Apache config
  52 #
  53 for uid in $(cat ${EXPIRED_USERS}); do
  54    if [ -d /users/${uid}/www ] && [[ ! ${WHITELIST} =~ ${uid} ]]; then
  55       echo "<Directory /users/${uid}>"
  56       echo "    AllowOverride None"
  57       echo "    RewriteEngine On"
  58       echo "    RewriteRule . ${DISABLED_PAGE} [L]"
  59       echo "</Directory>"
  60       echo ""
  61    fi
  62 done
  63
  64 rm -f ${EXPIRED_USERS}