# --- T2-COPYRIGHT-NOTE-BEGIN --- # T2 SDE: package/*/sysfiles/parse-config # Copyright (C) 2004 - 2022 The T2 SDE Project # Copyright (C) 1998 - 2003 ROCK Linux Project # # This Copyright note is generated by scripts/Create-CopyPatch, # 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 version 2. # --- T2-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=$root/usr/share/registry/parse-config if [ "$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/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: # extensions: # # Configuration files: (simplified) # ------------------- # /etc/mime.types # /etc/mailcap ; # 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 # # safely removes the given mimetype from both mimetype and mailcap # configuration files. Also the proprietary T2 information regarding # mimetypes is updated. # # 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 }