diff options
Diffstat (limited to 'lib/dns/dispatch.c')
| -rw-r--r-- | lib/dns/dispatch.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/lib/dns/dispatch.c b/lib/dns/dispatch.c index 4da89ca20b2f..617fde8a2dad 100644 --- a/lib/dns/dispatch.c +++ b/lib/dns/dispatch.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dispatch.c,v 1.116.18.19.12.1 2008/05/22 21:28:06 each Exp $ */ +/* $Id: dispatch.c,v 1.116.18.19.12.5 2008/07/23 23:16:43 marka Exp $ */ /*! \file */ @@ -276,7 +276,26 @@ request_log(dns_dispatch_t *disp, dns_dispentry_t *resp, } /* - * ARC4 random number generator obtained from OpenBSD + * ARC4 random number generator derived from OpenBSD. + * Only dispatch_arc4random() and dispatch_arc4uniformrandom() are expected + * to be called from general dispatch routines; the rest of them are subroutines + * for these two. + * + * The original copyright follows: + * Copyright (c) 1996, David Mazieres <dm@uun.org> + * Copyright (c) 2008, Damien Miller <djm@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ static void dispatch_arc4init(arc4ctx_t *actx) { @@ -1172,7 +1191,7 @@ destroy_mgr(dns_dispatchmgr_t **mgrp) { static isc_result_t create_socket(isc_socketmgr_t *mgr, isc_sockaddr_t *local, - isc_socket_t **sockp) + unsigned int options, isc_socket_t **sockp) { isc_socket_t *sock; isc_result_t result; @@ -1186,7 +1205,7 @@ create_socket(isc_socketmgr_t *mgr, isc_sockaddr_t *local, #ifndef ISC_ALLOW_MAPPED isc_socket_ipv6only(sock, ISC_TRUE); #endif - result = isc_socket_bind(sock, local); + result = isc_socket_bind(sock, local, options); if (result != ISC_R_SUCCESS) { isc_socket_detach(&sock); return (result); @@ -1917,7 +1936,7 @@ dispatch_createudp(dns_dispatchmgr_t *mgr, isc_socketmgr_t *sockmgr, attributes &= ~DNS_DISPATCHATTR_RANDOMPORT; goto getsocket; } - result = create_socket(sockmgr, &localaddr_bound, &sock); + result = create_socket(sockmgr, &localaddr_bound, 0, &sock); if (result == ISC_R_ADDRINUSE) { if (++k == 1024) attributes &= ~DNS_DISPATCHATTR_RANDOMPORT; @@ -1925,7 +1944,8 @@ dispatch_createudp(dns_dispatchmgr_t *mgr, isc_socketmgr_t *sockmgr, } localport = prt; } else - result = create_socket(sockmgr, localaddr, &sock); + result = create_socket(sockmgr, localaddr, + ISC_SOCKET_REUSEADDRESS, &sock); if (result != ISC_R_SUCCESS) goto deallocate_dispatch; if ((attributes & DNS_DISPATCHATTR_RANDOMPORT) == 0 && |