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Date:      Fri, 16 Mar 2018 09:46:53 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 226575] drill -x 192..168.5.25 (two dots in the row) breaks
Message-ID:  <bug-226575-8-EuVYVXzlQL@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-226575-8@https.bugs.freebsd.org/bugzilla/>
References:  <bug-226575-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D226575

Maxim Konovalov <maxim@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |maxim@FreeBSD.org

--- Comment #1 from Maxim Konovalov <maxim@FreeBSD.org> ---
Hello,

I must admit that now I need to visit a doctor to check my eyes after readi=
ng
drill.c.

Here is a rather simple and admittedly naive and incomplete band-aid:

Index: drill.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- drill.c     (revision 325887)
+++ drill.c     (working copy)
@@ -695,6 +695,7 @@ main(int argc, char *argv[])
                        break;
                case DRILL_REVERSE:
                        /* ipv4 or ipv6 addr? */
+printf("name %s\n", name);
                        if (strchr(name, ':')) {
                                if (strchr(name, '.')) {
                                        error("Syntax error: both '.' and '=
:'
seen in address\n");
@@ -747,6 +748,9 @@ main(int argc, char *argv[])
                                free(name2);
                        } else {
                                qname =3D ldns_dname_new_frm_str(name);
+                               if (!qname) {
+                                       error("%s", "-x implies an ip
address");
+                               }
                                qname_tmp =3D ldns_dname_reverse(qname);
                                ldns_rdf_deep_free(qname);
                                qname =3D qname_tmp;

%%%

I see a number of other equally suspicious places but unfortunately cannot
invest more time into.

Sorry for that.

Maxim

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