Date: Fri, 1 Oct 1999 06:50:02 -0700 (PDT) From: Ruslan Ermilov <ru@ucb.crimea.ua> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/14041: "host" blows up with incomplete arguments Message-ID: <199910011350.GAA65345@freefall.freebsd.org>
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The following reply was made to PR bin/14041; it has been noted by GNATS. From: Ruslan Ermilov <ru@ucb.crimea.ua> To: Paul Southworth <pauls@ieng.com> Cc: FreeBSD-gnats-submit@FreeBSD.ORG, bind-bugs@isc.org Subject: Re: bin/14041: "host" blows up with incomplete arguments Date: Fri, 1 Oct 1999 16:38:06 +0300 --FL5UXtIhxfXey3p5 Content-Type: text/plain; charset=us-ascii On Wed, Sep 29, 1999 at 08:19:58PM -0400, Paul Southworth wrote: > > >Number: 14041 > >Category: bin > >Synopsis: "host" blows up with incomplete arguments > >Confidential: no > >Severity: non-critical > >Priority: low > >Responsible: freebsd-bugs > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Wed Sep 29 17:30:01 PDT 1999 > >Closed-Date: > >Last-Modified: > >Originator: Paul Southworth > >Release: FreeBSD 3.3-RELEASE i386 > >Organization: > Internet Engineering Group > >Environment: > > FreeBSD 3.3-RELEASE, nothing unusual > > >Description: > > If you give the "host" command some flags but nothing > to query, it dies and dumps core. > > >How-To-Repeat: > > pauls@deadbeef(11)% host -t any highwing.cdrom.com > highwing.cdrom.com has address 204.216.28.168 > highwing.cdrom.com mail is handled (pri=10) by pike.cdrom.com > highwing.cdrom.com mail is handled (pri=5) by zippy.cdrom.com > pauls@deadbeef(12)% host -t any > Segmentation fault (core dumped) > The attached patch fixes the problem. -- Ruslan Ermilov Sysadmin and DBA of the ru@ucb.crimea.ua United Commercial Bank, ru@FreeBSD.org FreeBSD committer, +380.652.247.647 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age --FL5UXtIhxfXey3p5 Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="host.c.patch" Index: host.c =================================================================== RCS file: /usr/FreeBSD-CVS/src/contrib/bind/bin/host/host.c,v retrieving revision 1.1.1.1 diff -u -r1.1.1.1 host.c --- host.c 1998/05/03 04:09:49 1.1.1.1 +++ host.c 1999/10/01 12:32:39 @@ -175,10 +175,6 @@ res_init(); _res.retrans = 5; - if (c < 2) { - fprintf(stderr, "Usage: host [-w] [-v] [-r] [-d] [-t querytype] [-c class] [-a] host [server]\n -w to wait forever until reply\n -v for verbose output\n -r to disable recursive processing\n -d to turn on debugging output\n -t querytype to look for a specific type of information\n -c class to look for non-Internet data\n -a is equivalent to '-v -t *'\n"); - exit(1); - } while (c > 2 && v[1][0] == '-') { if (strcmp (v[1], "-w") == 0) { _res.retry = 1; @@ -228,6 +224,10 @@ c--; } } + if (c < 2) { + fprintf(stderr, "Usage: host [-w] [-v] [-r] [-d] [-t querytype] [-c class] [-a] host [server]\n -w to wait forever until reply\n -v for verbose output\n -r to disable recursive processing\n -d to turn on debugging output\n -t querytype to look for a specific type of information\n -c class to look for non-Internet data\n -a is equivalent to '-v -t *'\n"); + exit(1); + } if (c > 2) { s = v[2]; server_specified++; --FL5UXtIhxfXey3p5-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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