Reseta permissões de um Autosystem Instalado (linux)

as_fix_permissions.sh

#!/usr/bin/env bash

#########################################
# as_fix_permissions.sh
#
# Tenta resolver problemas com permissões
# Deve ser rodado depois do as_update
#
# wget -O as_fix_permissions.sh 'https://gist.githubusercontent.com/tavinus/5a57c54d7303ec0a8cff9dcfc4b1bad4/raw' && chmod +x as_fix_permissions.sh
#
#########################################

VERSION=0.0.3

TRUE=0
FALSE=1

# Para detectar erros
f=0

# Locais
INSTLOC='/usr/local/bin'

FOLDER_CHMOD='775'
FILE_CHMOD='664'

if [[ -z "$REALUSER" ]]; then
	[ $SUDO_USER ] && REALUSER=$SUDO_USER || REALUSER=`whoami`
	REALHOME="/home/$REALUSER"
fi

PERM_FOLDERS="$REALHOME/.autosystem $REALHOME/.autosystem/log"
PERM_FILES="$REALHOME/.autosystem3.log /etc/autosystem.db /etc/autosystem.key $REALHOME/autosystem3.log"
PERM_LIST="$PERM_FOLDERS $PERM_FILES"

print_version() {
	echo "AutoSystem FixPermissions by Tavinus v$VERSION"
}

# checa se root
check_root() {
	if [ "$(id -u)" != "0" ]; then
		print_version
		echo "Voce tem que rodar o instalador com privilegios de root."
		echo "Tente:"
		echo "    sudo $0"
		exit 1
	fi
}

chmod_rec() {
	ret=0
	if ! is_file $1 && ! is_dir $1; then
		echo " > Fail"
		echo "Erro, item: $1 nao foi encontrado no disco!"
		return 35
	fi
	find "$1" -type d -exec chmod "$FOLDER_CHMOD" {} \;
	((ret=$ret+$?))
	find "$1" -type f -exec chmod "$FILE_CHMOD" {} \;
	((ret=$ret+$?))
	return $ret
}

is_empty() {
	[[ -z "$1" ]] && return $TRUE
	return $FALSE
}

is_file() {
	is_empty "$1" && return $FALSE
	[[ -f "$1" ]] && return $TRUE
	return $FALSE
}

is_dir() {
	is_empty "$1" && return $FALSE
	[[ -d "$1" ]] && return $TRUE
	return $FALSE
}

##### COMECA AQUI

check_root

print_version
echo

echo "Processando lista de permissoes"
echo $'Mudando permissoes para arquivos e pastas\n'

for p in $PERM_LIST; do
	echo -ne " > $p"
	chmod_rec "$p" && echo " > Ok"
done

echo $'\nTudo feito!\n'
exit 0