#!/bin/sh
# $Revision: 261 $
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# (c) Tim Brown, 2012
# <mailto:timb@nth-dimension.org.uk>
# <http://www.nth-dimension.org.uk/> / <http://www.machine.org.uk/>
#
# Check if privileged files call banned (and potentially dangerous) functions
# Based on Microsoft's banned API list as parsed by ../../tools/generate_banned.sh

. lib/misc/stdio
. lib/misc/privileged
. lib/misc/binary

privileged_banned_init () {
	stdio_message_log "privileged_banned" "Starting at: `date`"
}

privileged_banned_main () {
	privileged_list | while read filetype filename usergroupid
	do
		banned_apis="`binary_banned_api "${filename}" "alloca|gets|memcpy|scanf|sprintf|sscanf|strcat|StrCat|strcpy|StrCpy|strlen|StrLen|strncat|StrNCat|strncpy|StrNCpy|strtok|swprintf|vsnprintf|vsprintf|vswprintf|wcscat|wcscpy|wcslen|wcsncat|wcsncpy|wcstok|wmemcpy"`"
		if [ -n "${banned_apis}" ]
		then
			stdio_message_warn "privileged_banned" "${filetype} ${filename} (${usergroupid}) and uses banned APIs ($banned_apis)"
		fi
	done
}

privileged_banned_fini () {
	stdio_message_log "privileged_banned" "Ending at: `date`"
}