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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../sysfiles/parse-config
# Copyright (C) 2004 - 2006 The T2 SDE Project
# Copyright (C) 1998 - 2003 Clifford Wolf
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
# We need to store some bookkeeping for later runs. With this
# information better error messages are possible, but most
# importantly it allows packages to be updated (with possibly
# different mimetypes).
parse_config_data=$root/usr/share/rock-registry/parse-config
if [ "$pkg" != "sysfiles" ]; then
var_append flistdel "|" "etc/mtab"
fi
if atstage native && [ -f $confdir/postsysfiles.in ] ; then
var_append flistdel "|" "etc/passwd"
var_append flistdel "|" "etc/shadow"
var_append flistdel "|" "etc/gshadow"
var_append flistdel "|" "etc/mime.types"
var_append flistdel "|" "etc/mailcap"
var_append flistdel "|" "usr/share/rock-registry/parse-config.*"
hook_add preconf 2 ". $confdir/postsysfiles.in"
fi
# Usage: safe_useradd name uid gid desc homedir shell pass
#
# uid and name must be registered in
# Documentation/Developers/REGISTER
#
# pass is already encrypted and might be one of:
# "*" ... system account, wont ever have a password
# "!" ... real user, admin needs to define a password later
#
safe_useradd() {
if grep -q "^$1:" $root/etc/passwd; then
echo "Found already existing user '$1'."
else
if grep -q ":$2:" $root/etc/passwd; then
echo "UID $2 exists"
exit -1
fi
echo "Creating user '$1' ..."
echo "$1:x:$2:$3:$4:$5:$6" >> $root/etc/passwd
echo "$1:$7:::::::" >> $root/etc/shadow
fi
}
# Usage: safe_groupadd name id
#
# gid and name must be registered in
# Documentation/Developers/REGISTER
#
safe_groupadd() {
if grep -q "^$1:" $root/etc/group; then
echo "Found already existing group '$1'."
else
if grep -q ":$2:" $root/etc/passwd; then
echo "GID $2 exists"
exit -1
fi
echo "Creating group '$1' ..."
echo "$1:x:$2:" >> $root/etc/group
fi
}
# Usage: safe_mimetypeadd mimetype exts cmd
#
# mimetype is the type to be registered
# exts is one of more extension to be tied to the mimetype.
# cmd the command to be tied to the mimetype
#
# Bookkeeping files:
# -----------------
# mimetypes: <mimetype> <package>
# extensions: <extension> <mimetype>
#
# Configuration files: (simplified)
# -------------------
# /etc/mime.types <mimetype> <extensions>
# /etc/mailcap <mimetype>; <command>
#
safe_mimetypeadd() {
# Get the arguments.
local mimetype=$1
local extensions=$2
local command=$3
# If bookkeeping dir does not exist, create it.
mkdir -p $parse_config_data
# Check if the mimetype has been registered before.
local add_allowed=yes; # until we know better.
if grep -q "^$mimetype" $root/etc/mime.types; then
# The mime type has already been registered. Determine
# what package registered the mimetype.
local package=$(grep "^$mimetype" $parse_config_data/mimetypes | cut -d' ' -f2)
# Is it the current package, in other words is the
# package being updated?
if [ "$package" == "$pkg" ] ; then
# Apparently the package needs to be updated. To
# smoothen this process we remove any current mimetype
# information for the package.
remove_mimetype $mimetype
else
# Some other package has registered the mimetype.
# Since we practise first come first served, we are
# not allowed to change it.
echo "Mime type '$mimetype' already registered by $package"
add_allowed=no
fi
unset package
fi
# Are we allowed to add the mimetype.
if [ "$add_allowed" == "yes" ] ; then
# Before doing all necessary mimetype binding, we first have
# to check if the requested extensions are still free.
free_extensions=
local mt=
# Loop though all extensions and try to bind them to the
# given mimetype. However, first check if the extension
# is already bound to another mimetype.
for extension in $extensions; do
mt=$(grep "^$extention" $parse_config_data/extensions | cut -d' ' -f2)
if [ -n "$mt" ] ; then
# The extension is already bound to another
# mimetype.
echo "Extension '$extension' already bound to $mt"
else
# Add this extensions to the list.
var_append free_extensions " " "$extension"
# Register this binding in our bookkeeping.
echo "$extension $mimetype" >> $parse_config_data/extensions
fi
done
# Bind all remaining extensions to the mimetype
echo "Adding mime type '$mimetype' ..."
echo "$mimetype $free_extensions" >> $root/etc/mime.types
unset free_extensions
unset extension
# Now the mimetype is set we can set the mailcap as well.
echo "$mimetype; $command" >> $root/etc/mailcap
# Also do the necessary bookkeeping.
echo "$mimetype $pkg" >> $parse_config_data/mimetypes
fi
}
# Usage: remove_mimetype <mimetype>
#
# safely removes the given mimetype from both mimetype and mailcap
# configuration files. Also the proprietary T2 information regarding
# mimetypes is updated.
#
# <mimetype> The mimetype to be removed.
#
remove_mimetype() {
local mimetype=$1
mimetype=${mimetype//\//\\/}
# Remove the mimetype from /etc/mime.types
sed -i "/^$mimetype .*\$/d" $root/etc/mime.types
# Remove the mimetype from /etc/mailcap
# TODO: mailcap entries can be multiline.
sed -i "/^$mimetype; .*\$/d" $root/etc/mailcap
# Remove the mimetype from .../mimetypes
sed -i "/^$mimetype .*\$/d" $parse_config_data/mimetypes
# Remove the extensions binding to the given mimetype.
sed -i "/^.* $mimetype\$/d" $parse_config_data/extensions
}