php-session.sh

   1 #!/bin/sh
   2
   3 [ -x /usr/sbin/tmpwatch ] || exit 0
   4
   5 session_dirs="/var/run/php /var/run/php-ug"
   6
   7 # use tmpwatch with --test to remove only files matching to 'sess_*' pattern
   8 cleanup_dir() {
   9         local session_dir=$1
  10
  11         test -d "$session_dir" || return
  12
  13         /usr/sbin/tmpwatch $gc_time $session_dir --test | while read action type file; do
  14                 case "$action $type $file" in
  15                 'removing file '*/sess_*)
  16                         rm "$file"
  17                         ;;
  18                 esac
  19         done
  20 }
  21
  22 # find minimum gc time from any of the php engines
  23 find_gc_time() {
  24         gc_time=0
  25         local gc php
  26         for php in php $(cd /usr/bin && ls -1 php[0-9] php[0-9][0-9] 2> /dev/null); do
  27                 gc=
  28                 if [ -x /usr/bin/$php ]; then
  29                         gc=$($php -r 'echo max(round(ini_get("session.gc_maxlifetime")/3600), 1);' 2> /dev/null)
  30                 elif [ -r /etc/$php/php.ini ]; then
  31                         gc=$(awk -F"=" '/^session.gc_maxlifetime[ \t]*=/ { t=sprintf("%d", ($2/3600)); if (t<1) { t=1; }; print t; exit;}' /etc/$php/php.ini)
  32                 fi
  33                 [ -n "$gc" ] || continue
  34
  35                 if [ "$gc" -lt "$gc_time" ] || [ $gc_time -eq 0 ]; then
  36                         gc_time=$gc
  37                 fi
  38         done
  39 }
  40
  41 find_gc_time
  42 [ $gc_time -gt 0 ] || exit 0
  43
  44 for session_dir in $session_dirs; do
  45         cleanup_dir $session_dir
  46 done
  47
  48 exit 0