debian/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 [ "$DEBIAN_SCRIPT_DEBUG" ] && set -vx
   6
   7 case "$1" in
   8         configure)
   9         # continue below
  10         ;;
  11
  12         abort-upgrade|abort-remove|abort-deconfigure)
  13         exit 0
  14         ;;
  15
  16         *)
  17         echo "postinst called with unknown argument \`$1'" >&2
  18         exit 0
  19         ;;
  20 esac
  21
  22
  23 # Include CARNet functions
  24 . /usr/share/carnet-tools/functions.sh
  25
  26 PKG="php4-cn"
  27 A2MODEDIR="/etc/apache2/mods-enabled"
  28 EXTENSIONS="mysql"
  29 PHP4DIR="/etc/php4"
  30 PHP4CONFD="/etc/php4/conf.d"
  31
  32 need_restart=0
  33
  34
  35 # Disable PHP5 module and enable Apache2 PHP4 module.
  36 #
  37 if [ -e /etc/apache2/apache2.conf ]; then
  38         if [ -e "$A2MODEDIR/php5.load" ]; then
  39                 cp_echo "CN: Disabling PHP5 module for Apache2 web server"
  40                 a2dismod php5 >/dev/null || true
  41                 need_restart=1
  42         fi
  43         if [ ! -e "$A2MODEDIR/php4.load" ] || [ ! -e "$A2MODEDIR/php4.conf" ]; then
  44                 cp_echo "CN: Enabling PHP4 module for Apache2 web server"
  45                 a2enmod php4 >/dev/null || true
  46                 need_restart=1
  47         fi
  48 fi
  49
  50
  51 # Check if PHP4 extensions are enabled.
  52 #
  53 for php4ext in $EXTENSIONS; do
  54
  55         php4ext_re="^[[:space:]]*extension[[:space:]]*=[[:space:]]*$php4ext\.so"
  56
  57         # Remove extension entry from /etc/php4/(apache|apache2|cgi|cli).ini
  58         # configuration files.
  59         for SAPI in apache apache2 cgi cli; do
  60
  61                 ini_file="$PHP4DIR/$SAPI/php.ini"
  62
  63                 if [ -f "$ini_file" ]; then
  64
  65                         cp_echo "CN: Removing $php4ext extension from file $ini_file"
  66
  67                         cp_check_and_sed "$php4ext_re" \
  68                                 "/$php4ext_re/d" \
  69                                 "$ini_file" && need_restart=1 || true
  70                 fi
  71         done
  72
  73         # Check $PHP4CONFD directory.
  74         if [ ! -d "$PHP4CONFD" ]; then
  75                 cp_echo "CN: Creating configuration directory $PHP4CONFD"
  76                 mkdir $PHP4CONFD
  77         fi
  78
  79         # Check extension configuration in /etc/php4/conf.d/ directory.
  80         if [ ! -f "$PHP4CONFD/$php4ext.ini" ]; then
  81
  82                 cp_echo "CN: Creating configuration file $PHP4CONFD/$php4ext.ini"
  83
  84                 php4ext_up=`echo $php4ext | tr [:lower:] [:upper:] | sed 's/Y/y/'`
  85                 INITMP=`mktemp $PHP4CONFD/$php4ext.ini.tmp.XXXXXX`
  86
  87                 cp_echo "CN: Adding $php4ext extension to file $PHP4CONFD/$php4ext.ini"
  88
  89                 echo -e "# configuration for php $php4ext_up module\nextension=$php4ext.so" >> "$INITMP"
  90                 cp_mv "$INITMP" "$PHP4CONFD/$php4ext.ini"
  91
  92                 need_restart=1
  93         else
  94
  95                 if ! grep -q "$php4ext_re" "$PHP4CONFD/$php4ext.ini"; then
  96
  97                         cp_echo "CN: Adding $php4ext extension to file $PHP4CONFD/$php4ext.ini"
  98
  99                         INITMP=`mktemp $PHP4CONFD/$php4ext.ini.tmp.XXXXXX`
 100                         cat "$PHP4CONFD/$php4ext.ini" > "$INITMP"
 101                         echo "extension=$php4ext.so" >> "$INITMP"
 102                         cp_mv "$INITMP" "$PHP4CONFD/$php4ext.ini"
 103
 104                         need_restart=1
 105                 fi
 106         fi
 107 done
 108
 109
 110 # Enable some PHP4 tweaks for Apache2 web server (/etc/php4/apache2/php.ini).
 111 #
 112 #   * upload_max_filesize = 256M
 113 #   * post_max_size = 256M
 114 #   * memory_limit = 256M
 115 #
 116 for SAPI in apache apache2 cgi cli; do
 117
 118         if [ ! -d "$PHP4DIR/$SAPI" ]; then
 119                 continue
 120         fi
 121
 122         ini_file="$PHP4DIR/$SAPI/php.ini"
 123
 124         cp_echo "CN: Checking and enabling some CARNet specific parameters in file $ini_file"
 125
 126         if [ -f "$ini_file" ]; then
 127
 128                 cp_check_and_sed "^[[:space:]]*upload_max_filesize[[:space:]]*=[[:space:]]*2M$" \
 129                         's/^[[:space:]]*upload_max_filesize[[:space:]]*=.*/upload_max_filesize = 256M/' \
 130                         "$ini_file" && need_restart=1 || true
 131
 132                 cp_check_and_sed "^[[:space:]]*post_max_size[[:space:]]*=[[:space:]]*8M$" \
 133                         's/^[[:space:]]*post_max_size[[:space:]]*=.*/post_max_size = 256M/' \
 134                         "$ini_file" && need_restart=1 || true
 135
 136                 cp_check_and_sed "^[[:space:]]*memory_limit[[:space:]]*=[[:space:]]*16M$" \
 137                         's/^[[:space:]]*memory_limit[[:space:]]*=.*/memory_limit = 256M/' \
 138                         "$ini_file" && need_restart=1 || true
 139         fi
 140
 141         ini_file_tmp=`mktemp $ini_file.tmp.XXXXXX`
 142         if [ -f "$ini_file" ]; then
 143                 cat $ini_file > $ini_file_tmp
 144         fi
 145
 146         if ! egrep -q "^[[:space:]]*(upload_max_filesize|post_max_size|memory_limit)[[:space:]]*=" $ini_file_tmp; then
 147
 148                 if ! egrep -q "^[[:space:]]*upload_max_filesize[[:space:]]*=" $ini_file_tmp; then
 149                         echo "upload_max_filesize = 256M" >> "$ini_file_tmp"
 150                 fi
 151                 if ! egrep -q "^[[:space:]]*post_max_size[[:space:]]*=" $ini_file_tmp; then
 152                         echo "post_max_size = 256MB" >> "$ini_file_tmp"
 153                 fi
 154                 if ! egrep -q "^[[:space:]]*memory_limit[[:space:]]*=" $ini_file_tmp; then
 155                         echo "memory_limit = 256M" >> "$ini_file_tmp"
 156                 fi
 157                 cp_mv "$ini_file_tmp" "$ini_file"
 158
 159                 need_restart=1
 160         fi
 161
 162         if [ -e "$ini_file_tmp" ]; then
 163                 rm -f "$ini_file_tmp"
 164         fi
 165 done
 166
 167
 168 # Restart Apache2 web server if needed.
 169 #
 170 if [ $need_restart -eq 1 ]; then
 171
 172         # Check Apache2 web server configuration.
 173         if /usr/sbin/apache2ctl configtest 2>/dev/null; then
 174
 175                 # Restart Apache2 web server.
 176                 if [ -x "/etc/init.d/apache2" ]; then
 177                     if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
 178                         invoke-rc.d apache2 force-reload || true
 179                     else
 180                         /etc/init.d/apache2 force-reload || true
 181                     fi
 182                 fi
 183         else
 184
 185                 # Something is broken.
 186                 cp_echo "CN: Your Apache2 configuration is broken."
 187                 cp_echo "CN: Please, check the service after the installation finishes!"
 188         fi
 189 fi
 190
 191
 192 # Mail root
 193 #
 194 cp_mail "$PKG"
 195
 196 exit 0