system-helpers/usr/local/bin/perms_user_home_default_umask
Alexander Schäferdiek 6012c3aa57
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Add script for simple umask alignment
2022-09-06 13:44:32 +02:00

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#!/usr/bin/env bash
#
# Usage: perms_user_home_default_umask <a user home directory> [<keep executables: no|yes, default: yes>]
#
# Fix permissions for user:
# - align with umask 022 (755 on folders, 644 on files)
# - keep +x flag for already executable files if enabled (default, otherwise set to no)
# - set 700 (only allow owner to go into directory)
DIR="$1"
KEEP_EXECUTABLE_FILES="$2"
if [[ -z "$DIR" ]]; then
echo "No directory given"
exit 1;
fi
if [[ ! -d "$DIR" ]]; then
echo "Directory $DIR does not exist"
exit 1;
fi
if [[ -z "$KEEP_EXECUTABLE_FILES" ]]; then
KEEP_EXECUTABLE_FILES="yes"
fi
echo "Fixing directory permissions of '$DIR'"
find "$DIR" -type d -exec chmod 755 {} \;
if [[ $KEEP_EXECUTABLE_FILES == 'yes' ]]; then
echo "Maintaining +x flag for files in '$DIR'"
EXECUTABLE_FILES=$(find "$DIR" -executable -type f)
else
echo "Executable files in '$DIR' will also be reset"
fi
echo "Fixing file permissions of '$DIR'"
find "$DIR" -type f -exec chmod 644 {} \;
if [[ $KEEP_EXECUTABLE_FILES == 'yes' ]]; then
for i in ${EXECUTABLE_FILES};
do
echo "Restoring +x flag for ${i}"
chmod +x "${i}"
done
fi
echo "Making '$DIR' owner only"
chmod 700 "$DIR"
SSH_DIR="$DIR/.ssh"
if [[ -d "$SSH_DIR" ]]; then
echo "Directory $SSH_DIR exists, setting special permissions"
find "$SSH_DIR" -type f -exec chmod 600 {} \;
chmod 700 "$SSH_DIR"
fi
WIREGUARD_DIR="$DIR/.wireguard"
if [[ -d "$WIREGUARD_DIR" ]]; then
echo "Directory $WIREGUARD_DIR exists, setting special permissions"
find "$WIREGUARD_DIR" -type f -exec chmod 600 {} \;
chmod 700 "$WIREGUARD_DIR"
fi
echo "Finished"
echo ""
echo "You might want to adapt owner with chown -R user:user $DIR"