java-jce_ustrength/install_java_jce_ustrength

   1 #!/bin/bash
   2
   3 # The affected files:
   4 # b94923af60a5b4659a8df2847fe1ab6d  US_export_policy.jar
   5 # 53e2a50065ac6ea39cb2aa7d3975284b  local_policy.jar
   6
   7 # Internal variables
   8 md5_this_uspolicy=b94923af60a5b4659a8df2847fe1ab6d
   9 md5_this_localpolicy=53e2a50065ac6ea39cb2aa7d3975284b
  10 jcedir=/usr/share/java/java-jce_ustrength
  11 jresecuritydir=/opt/java/jre/lib/security
  12 _ext=java-jce_ustrength.backup
  13
  14 # 1 = Root
  15 # 0 = other ID
  16 check_root(){
  17         if [ ${UID} -eq 0 ]; then
  18                 return 1
  19         fi
  20         return 0
  21 }
  22
  23 # 0 = Unlimited Strength JCE Policy already installed
  24 # 1 = Original JCE Policy installed
  25 # 2 = Destination files don't exist
  26 check_destinationfiles(){
  27         if [ ! -e "${jresecuritydir}/US_export_policy.jar" -o ! -e "${jresecuritydir}/local_policy.jar" ];
  28         then
  29                 return 2
  30         fi
  31         md5_uspolicy=$(md5sum ${jresecuritydir}/US_export_policy.jar | cut -d " " -f 1)
  32         md5_localpolicy=$(md5sum ${jresecuritydir}/local_policy.jar | cut -d " " -f 1)
  33         if [ "${md5_uspolicy}" == "${md5_this_uspolicy}" -a \
  34              "${md5_localpolicy}" == "${md5_this_localpolicy}" ]; then
  35              return 0
  36         fi
  37         return 1
  38 }
  39
  40 install(){
  41         check_destinationfiles
  42         not_installed=$?
  43         if [ "${not_installed}" -eq "1" ]; then
  44                 check_root
  45                 isroot=$?
  46                 if [ "${isroot}" -eq "0" ]; then
  47                         echo "You must be root for doing this operation."
  48                         exit 1
  49                 fi
  50                 echo -n "Installing Unlimited Strength JCE files..."
  51                 cp ${jresecuritydir}/US_export_policy.jar ${jresecuritydir}/US_export_policy.jar.${_ext} || return 1
  52                 cp ${jresecuritydir}/local_policy.jar ${jresecuritydir}/local_policy.jar.${_ext} || return 1
  53                 cp ${jcedir}/US_export_policy.jar ${jresecuritydir}/ || return 1
  54                 cp ${jcedir}/local_policy.jar ${jresecuritydir}/ || return 1
  55                 echo " installed."
  56         else
  57                 echo "Unlimited Strength JCE files already installed."
  58         fi
  59 }
  60
  61 uninstall(){
  62         check_destinationfiles
  63         not_installed=$?
  64         if [ "$not_installed" -eq "0" ]; then
  65                 check_root
  66                 isroot=$?
  67                 if [ "${isroot}" -eq "0" ]; then
  68                         echo "You must be root for doing this operation."
  69                         exit 0
  70                 fi
  71                 echo -n "Uninstalling Unlimited Strength JCE files..."
  72                 if [ ! -e "${jresecuritydir}/US_export_policy.jar.${_ext}" -a \
  73                      ! -e "${jresecuritydir}/local_policy.jar.${_ext}" ]; then
  74                      echo "Previous backup of the files doesn't exist!"
  75                      echo "For uninstall, reinstall the jre package."
  76                      exit 0
  77                 fi
  78
  79                 mv ${jresecuritydir}/US_export_policy.jar.${_ext} ${jresecuritydir}/US_export_policy.jar || return 1
  80                 mv ${jresecuritydir}/local_policy.jar.${_ext} ${jresecuritydir}/local_policy.jar || return 1
  81                 echo " uninstalled."
  82         else
  83                 if [ -e "${jresecuritydir}/US_export_policy.jar.${_ext}" -a \
  84                      -e "${jresecuritydir}/local_policy.jar.${_ext}" ]; then
  85                      check_root
  86                      isroot=$?
  87                      if [ "${isroot}" -eq "0" ]; then
  88                         echo "You must be root for doing this operation."
  89                         exit 1
  90                      fi
  91                      echo -n "Deleting old regular JCE files backup..."
  92                      rm ${jresecuritydir}/US_export_policy.jar.${_ext} || return 1
  93                      rm ${jresecuritydir}/local_policy.jar.${_ext} || return 1
  94                      echo  " deleted."
  95                 fi
  96
  97                 if [ "${not_installed}" -eq "1" ]; then
  98                         echo "Regular JCE files already installed."
  99                 fi
 100         fi
 101 }
 102
 103 case "$1" in
 104         install) install
 105                  ;;
 106         uninstall) uninstall
 107                    ;;
 108         *) echo "Usage $0: {install|uninstall}"
 109            ;;
 110 esac
 111 exit 0