Date: Sun, 30 Oct 2005 16:38:46 +0100 (CET) From: Dan Lukes <dan@obluda.cz> To: FreeBSD-gnats-submit@FreeBSD.org Subject: bin/88241: [ PATCH ] Incorrect processing of multiple PTR records Message-ID: <200510301538.j9UFckMn001052@kulesh.obluda.cz> Resent-Message-ID: <200510301540.j9UFeJBu044770@freefall.freebsd.org>
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>Number: 88241 >Category: bin >Synopsis: [ PATCH ] Incorrect processing of multiple PTR records >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Oct 30 15:40:19 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Dan Lukes >Release: FreeBSD 6.0-RC1 i386 >Organization: Obludarium >Environment: System: FreeBSD 6.0-RC1 #6: Sun Oct 16 21:03:18 CEST 2005 i386 lib/libc/net/name6.c,v 1.54 2005/05/27 20:44:57 ume lib/libc/net/res_config.h,v 1.8 2002/03/22 23:41:54 obrien >Description: res_config.h define MULTI_PTRS_ARE_ALIASES It causes the gethostbyname() fold multiple PTR records into h_aliases member of struct hostent The KAME's getipnodebyaddr() code honor the MULTI_PTRS_ARE_ALIASES define also, but res_config.h isn't included into linc/net/names6.c nor other include define the flag. So getipnodebyaddr() ignore the multiple PTRs. >How-To-Repeat: Create code using gethostbyname and getipnodebyaddr, call it for an addres with multiple PTR records then compare results. >Fix: There are several ways to define the flag. I recommend the following: --- patch begins here --- --- lib/libc/net/name6.c.ORIG Thu Oct 27 01:18:37 2005 +++ lib/libc/net/name6.c Thu Oct 27 01:20:27 2005 @@ -119,6 +119,7 @@ #include <stdarg.h> #include <nsswitch.h> #include <unistd.h> +#include "res_config.h" #include "un-namespace.h" #include "netdb_private.h" --- patch ends here --- >Release-Note: >Audit-Trail: >Unformatted:help
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