root/check_sec.sh

#!/bin/sh --

#
# grep for some things which may look like security problems.
#

TMPFILE="`mktemp check_sec.tmp.XXXXXX`" || exit 1

RV=0;

do_check_files ()
{
        pattern="$1" ; shift
        magic="$1" ; shift
        msg="$1" ; shift
        egrep -n "$pattern" "$@"                | \
                grep -v '^[^     ]*:[^  ]*#'    | \
                fgrep -v "$magic" > $TMPFILE

        test -s $TMPFILE && {
                echo "$msg" ;
                cat $TMPFILE;
                rm -f $TMPFILE;
                RV=1;
        }
}

do_check ()
{
        do_check_files "$1" "$2" "$3" `find . -path ./intl -prune -o -name '*.c' -print`
}

do_check '\<fopen.*'\"'.*w' __FOPEN_CHECKED__ "Alert: Unchecked fopen calls."
do_check '\<(mutt_)?strcpy' __STRCPY_CHECKED__ "Alert: Unchecked strcpy calls."
do_check '\<strcat' __STRCAT_CHECKED__ "Alert: Unchecked strcat calls."
do_check '\<sprintf.*%s' __SPRINTF_CHECKED__ "Alert: Unchecked sprintf calls."
do_check '\<strncat' __STRNCAT_CHECKED__ "You probably meant safe_strcat here."
do_check '\<safe_free' __SAFE_FREE_CHECKED__ "You probably meant FREE here."
do_check '\<FREE[ ]?\([^&]' __FREE_CHECKED__ "You probably meant FREE(&...) here."

# don't do this check on others' code.
do_check_files '\<(malloc|realloc|free|strdup)[         ]*\(' __MEM_CHECKED__ "Alert: Use of traditional memory management calls." \
        *.c imap/*.c

rm -f $TMPFILE
exit $RV