debian/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 [ "$DEBIAN_SCRIPT_DEBUG" ] && set -vx
   6
   7 # Source debconf library.
   8 . /usr/share/debconf/confmodule
   9
  10 case "$1" in
  11         configure)
  12         # continue below
  13         ;;
  14
  15         abort-upgrade|abort-remove|abort-deconfigure)
  16         exit 0
  17         ;;
  18
  19         *)
  20         echo "postinst called with unknown argument \`$1'" >&2
  21         exit 0
  22         ;;
  23 esac
  24
  25
  26 # Include CARNet functions
  27 . /usr/share/carnet-tools/functions.sh
  28
  29 PKG="php5-cn"
  30 A2MODEDIR="/etc/apache2/mods-enabled"
  31 EXTENSIONS="mysql ldap gd"
  32 PHP5DIR="/etc/php5"
  33 PHP5CONFD="/etc/php5/conf.d"
  34
  35 need_restart=0
  36
  37
  38 # Disable PHP4 module and enable Apache2 PHP5 module.
  39 #
  40 if [ -e /etc/apache2/apache2.conf ]; then
  41         if [ -e "$A2MODEDIR/php4.load" ]; then
  42                 cp_echo "CN: Disabling PHP4 module for Apache2 web server"
  43                 a2dismod php4 >/dev/null || true
  44                 need_restart=1
  45         fi
  46         if [ ! -e "$A2MODEDIR/php5.load" ] || [ ! -e "$A2MODEDIR/php5.conf" ]; then
  47                 cp_echo "CN: Enabling PHP5 module for Apache2 web server"
  48                 a2enmod php5 >/dev/null || true
  49                 need_restart=1
  50         fi
  51 fi
  52
  53
  54 # Check if PHP5 extensions (MySQL, LDAP, GD) are enabled.
  55 #
  56 for php5ext in $EXTENSIONS; do
  57
  58         php5ext_re="^[[:space:]]*extension[[:space:]]*=[[:space:]]*$php5ext\.so"
  59
  60         # Remove extension entry from /etc/php5/(apache|apache2|cgi|cli).ini
  61         # configuration files.
  62         for SAPI in apache apache2 cgi cli; do
  63
  64                 ini_file="$PHP5DIR/$SAPI/php.ini"
  65
  66                 if [ -f "$ini_file" ]; then
  67
  68                         cp_echo "CN: Removing $php5ext extension from file $ini_file"
  69
  70                         cp_check_and_sed "$php5ext_re" \
  71                                 "/$php5ext_re/d" \
  72                                 "$ini_file" && need_restart=1 || true
  73                 fi
  74         done
  75
  76         # Check extension configuration in /etc/php5/conf.d/ directory.
  77         if [ ! -f "$PHP5CONFD/$php5ext.ini" ]; then
  78
  79                 cp_echo "CN: Creating configuration file $PHP5CONFD/$php5ext.ini"
  80
  81                 php5ext_up=`echo $php5ext | tr [:lower:] [:upper:] | sed 's/Y/y/'`
  82                 INITMP=`mktemp $PHP5CONFD/$php5ext.ini.tmp.XXXXXX`
  83
  84                 cp_echo "CN: Adding $php5ext extension to file $PHP5CONFD/$php5ext.ini"
  85
  86                 echo -e "# configuration for php $php5ext_up module\nextension=$php5ext.so" >> "$INITMP"
  87                 cp_mv "$INITMP" "$PHP5CONFD/$php5ext.ini"
  88
  89                 need_restart=1
  90         else
  91
  92                 if ! grep -q "$php5ext_re" "$PHP5CONFD/$php5ext.ini"; then
  93
  94                         cp_echo "CN: Adding $php5ext extension to file $PHP5CONFD/$php5ext.ini"
  95
  96                         INITMP=`mktemp $PHP5CONFD/$php5ext.ini.tmp.XXXXXX`
  97                         cat "$PHP5CONFD/$php5ext.ini" > "$INITMP"
  98                         echo "extension=$php5ext.so" >> "$INITMP"
  99                         cp_mv "$INITMP" "$PHP5CONFD/$php5ext.ini"
 100
 101                         need_restart=1
 102                 fi
 103         fi
 104 done
 105
 106
 107 # Enable some PHP5 tweaks for Apache2 web server (/etc/php5/apache2/php.ini).
 108 #
 109 #   * upload_max_filesize = 256M
 110 #   * post_max_size = 256M
 111 #   * memory_limit = 256M
 112 #
 113 for SAPI in apache apache2 cgi cli; do
 114
 115         if [ ! -d "$PHP5DIR/$SAPI" ]; then
 116                 continue
 117         fi
 118
 119         ini_file="$PHP5DIR/$SAPI/php.ini"
 120
 121         cp_echo "CN: Checking and enabling some CARNet specific parameters in file $ini_file"
 122
 123         if [ -f "$ini_file" ]; then
 124
 125                 cp_check_and_sed "^[[:space:]]*upload_max_filesize[[:space:]]*=[[:space:]]*2M$" \
 126                         's/^[[:space:]]*upload_max_filesize[[:space:]]*=.*/upload_max_filesize = 256M/' \
 127                         "$ini_file" && need_restart=1 || true
 128
 129                 cp_check_and_sed "^[[:space:]]*post_max_size[[:space:]]*=[[:space:]]*8M$" \
 130                         's/^[[:space:]]*post_max_size[[:space:]]*=.*/post_max_size = 256M/' \
 131                         "$ini_file" && need_restart=1 || true
 132
 133                 cp_check_and_sed "^[[:space:]]*memory_limit[[:space:]]*=[[:space:]]*16M$" \
 134                         's/^[[:space:]]*memory_limit[[:space:]]*=.*/memory_limit = 256M/' \
 135                         "$ini_file" && need_restart=1 || true
 136         fi
 137
 138         ini_file_tmp=`mktemp $ini_file.tmp.XXXXXX`
 139         if [ -f "$ini_file" ]; then
 140                 cat $ini_file > $ini_file_tmp
 141         fi
 142
 143         if ! egrep -q "^[[:space:]]*(upload_max_filesize|post_max_size|memory_limit)[[:space:]]*=" $ini_file_tmp; then
 144
 145                 if ! egrep -q "^[[:space:]]*upload_max_filesize[[:space:]]*=" $ini_file_tmp; then
 146                         echo "upload_max_filesize = 256M" >> "$ini_file_tmp"
 147                 fi
 148                 if ! egrep -q "^[[:space:]]*post_max_size[[:space:]]*=" $ini_file_tmp; then
 149                         echo "post_max_size = 256MB" >> "$ini_file_tmp"
 150                 fi
 151                 if ! egrep -q "^[[:space:]]*memory_limit[[:space:]]*=" $ini_file_tmp; then
 152                         echo "memory_limit = 256M" >> "$ini_file_tmp"
 153                 fi
 154                 cp_mv "$ini_file_tmp" "$ini_file"
 155
 156                 need_restart=1
 157         fi
 158
 159         if [ -e "$ini_file_tmp" ]; then
 160                 rm -f "$ini_file_tmp"
 161         fi
 162 done
 163
 164
 165 # Restart Apache2 web server if needed.
 166 #
 167 if [ $need_restart -eq 1 ]; then
 168
 169         # Check Apache2 web server configuration.
 170         if /usr/sbin/apache2ctl configtest 2>/dev/null; then
 171
 172                 # Restart Apache2 web server.
 173                 if [ -x "/etc/init.d/apache2" ]; then
 174                     if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
 175                         invoke-rc.d apache2 force-reload || true
 176                     else
 177                         /etc/init.d/apache2 force-reload || true
 178                     fi
 179                 fi
 180         else
 181
 182                 # Something is broken.
 183                 cp_echo "CN: Your Apache2 configuration is broken."
 184                 cp_echo "CN: Please, check the service after the installation finishes!"
 185         fi
 186 fi
 187
 188
 189 # Mail root
 190 #
 191 cp_mail "$PKG"
 192
 193 exit 0