From ba8f85b49c38af7bc2a9acdef5dcde2de008d25e Mon Sep 17 00:00:00 2001
From: peter <peter@FreeBSD.org>
Date: Sat, 12 Jul 2008 05:00:28 +0000
Subject: Flatten bind9 vendor work area
---
contrib/bind9/lib/isc/unix/net.c | 367 ---------------------------------------
1 file changed, 367 deletions(-)
delete mode 100644 contrib/bind9/lib/isc/unix/net.c
(limited to 'contrib/bind9/lib/isc/unix/net.c')
diff --git a/contrib/bind9/lib/isc/unix/net.c b/contrib/bind9/lib/isc/unix/net.c
deleted file mode 100644
index 1de6b32..0000000
--- a/contrib/bind9/lib/isc/unix/net.c
+++ /dev/null
@@ -1,367 +0,0 @@
-/*
- * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1999-2003 Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC 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.
- */
-
-/* $Id: net.c,v 1.29.18.6 2007/09/13 23:46:26 tbox Exp $ */
-
-#include <config.h>
-
-#include <errno.h>
-#include <unistd.h>
-
-#include <isc/log.h>
-#include <isc/msgs.h>
-#include <isc/net.h>
-#include <isc/once.h>
-#include <isc/strerror.h>
-#include <isc/string.h>
-#include <isc/util.h>
-
-#if defined(ISC_PLATFORM_HAVEIPV6)
-# if defined(ISC_PLATFORM_NEEDIN6ADDRANY)
-const struct in6_addr isc_net_in6addrany = IN6ADDR_ANY_INIT;
-# endif
-
-# if defined(ISC_PLATFORM_NEEDIN6ADDRLOOPBACK)
-const struct in6_addr isc_net_in6addrloop = IN6ADDR_LOOPBACK_INIT;
-# endif
-
-# if defined(WANT_IPV6)
-static isc_once_t once_ipv6only = ISC_ONCE_INIT;
-# endif
-
-# if defined(ISC_PLATFORM_HAVEIN6PKTINFO)
-static isc_once_t once_ipv6pktinfo = ISC_ONCE_INIT;
-# endif
-#endif /* ISC_PLATFORM_HAVEIPV6 */
-
-static isc_once_t once = ISC_ONCE_INIT;
-
-static isc_result_t ipv4_result = ISC_R_NOTFOUND;
-static isc_result_t ipv6_result = ISC_R_NOTFOUND;
-static isc_result_t unix_result = ISC_R_NOTFOUND;
-static isc_result_t ipv6only_result = ISC_R_NOTFOUND;
-static isc_result_t ipv6pktinfo_result = ISC_R_NOTFOUND;
-
-static isc_result_t
-try_proto(int domain) {
- int s;
- isc_result_t result = ISC_R_SUCCESS;
- char strbuf[ISC_STRERRORSIZE];
-
- s = socket(domain, SOCK_STREAM, 0);
- if (s == -1) {
- switch (errno) {
-#ifdef EAFNOSUPPORT
- case EAFNOSUPPORT:
-#endif
-#ifdef EPROTONOSUPPORT
- case EPROTONOSUPPORT:
-#endif
-#ifdef EINVAL
- case EINVAL:
-#endif
- return (ISC_R_NOTFOUND);
- default:
- isc__strerror(errno, strbuf, sizeof(strbuf));
- UNEXPECTED_ERROR(__FILE__, __LINE__,
- "socket() %s: %s",
- isc_msgcat_get(isc_msgcat,
- ISC_MSGSET_GENERAL,
- ISC_MSG_FAILED,
- "failed"),
- strbuf);
- return (ISC_R_UNEXPECTED);
- }
- }
-
-#ifdef ISC_PLATFORM_HAVEIPV6
-#ifdef WANT_IPV6
-#ifdef ISC_PLATFORM_HAVEIN6PKTINFO
- if (domain == PF_INET6) {
- struct sockaddr_in6 sin6;
- unsigned int len;
-
- /*
- * Check to see if IPv6 is broken, as is common on Linux.
- */
- len = sizeof(sin6);
- if (getsockname(s, (struct sockaddr *)&sin6, (void *)&len) < 0)
- {
- isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL,
- ISC_LOGMODULE_SOCKET, ISC_LOG_ERROR,
- "retrieving the address of an IPv6 "
- "socket from the kernel failed.");
- isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL,
- ISC_LOGMODULE_SOCKET, ISC_LOG_ERROR,
- "IPv6 is not supported.");
- result = ISC_R_NOTFOUND;
- } else {
- if (len == sizeof(struct sockaddr_in6))
- result = ISC_R_SUCCESS;
- else {
- isc_log_write(isc_lctx,
- ISC_LOGCATEGORY_GENERAL,
- ISC_LOGMODULE_SOCKET,
- ISC_LOG_ERROR,
- "IPv6 structures in kernel and "
- "user space do not match.");
- isc_log_write(isc_lctx,
- ISC_LOGCATEGORY_GENERAL,
- ISC_LOGMODULE_SOCKET,
- ISC_LOG_ERROR,
- "IPv6 is not supported.");
- result = ISC_R_NOTFOUND;
- }
- }
- }
-#endif
-#endif
-#endif
-
- (void)close(s);
-
- return (result);
-}
-
-static void
-initialize_action(void) {
- ipv4_result = try_proto(PF_INET);
-#ifdef ISC_PLATFORM_HAVEIPV6
-#ifdef WANT_IPV6
-#ifdef ISC_PLATFORM_HAVEIN6PKTINFO
- ipv6_result = try_proto(PF_INET6);
-#endif
-#endif
-#endif
-#ifdef ISC_PLATFORM_HAVESYSUNH
- unix_result = try_proto(PF_UNIX);
-#endif
-}
-
-static void
-initialize(void) {
- RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS);
-}
-
-isc_result_t
-isc_net_probeipv4(void) {
- initialize();
- return (ipv4_result);
-}
-
-isc_result_t
-isc_net_probeipv6(void) {
- initialize();
- return (ipv6_result);
-}
-
-isc_result_t
-isc_net_probeunix(void) {
- initialize();
- return (unix_result);
-}
-
-#ifdef ISC_PLATFORM_HAVEIPV6
-#ifdef WANT_IPV6
-static void
-try_ipv6only(void) {
-#ifdef IPV6_V6ONLY
- int s, on;
- char strbuf[ISC_STRERRORSIZE];
-#endif
- isc_result_t result;
-
- result = isc_net_probeipv6();
- if (result != ISC_R_SUCCESS) {
- ipv6only_result = result;
- return;
- }
-
-#ifndef IPV6_V6ONLY
- ipv6only_result = ISC_R_NOTFOUND;
- return;
-#else
- /* check for TCP sockets */
- s = socket(PF_INET6, SOCK_STREAM, 0);
- if (s == -1) {
- isc__strerror(errno, strbuf, sizeof(strbuf));
- UNEXPECTED_ERROR(__FILE__, __LINE__,
- "socket() %s: %s",
- isc_msgcat_get(isc_msgcat,
- ISC_MSGSET_GENERAL,
- ISC_MSG_FAILED,
- "failed"),
- strbuf);
- ipv6only_result = ISC_R_UNEXPECTED;
- return;
- }
-
- on = 1;
- if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) < 0) {
- ipv6only_result = ISC_R_NOTFOUND;
- goto close;
- }
-
- close(s);
-
- /* check for UDP sockets */
- s = socket(PF_INET6, SOCK_DGRAM, 0);
- if (s == -1) {
- isc__strerror(errno, strbuf, sizeof(strbuf));
- UNEXPECTED_ERROR(__FILE__, __LINE__,
- "socket() %s: %s",
- isc_msgcat_get(isc_msgcat,
- ISC_MSGSET_GENERAL,
- ISC_MSG_FAILED,
- "failed"),
- strbuf);
- ipv6only_result = ISC_R_UNEXPECTED;
- return;
- }
-
- on = 1;
- if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) < 0) {
- ipv6only_result = ISC_R_NOTFOUND;
- goto close;
- }
-
- close(s);
-
- ipv6only_result = ISC_R_SUCCESS;
-
-close:
- close(s);
- return;
-#endif /* IPV6_V6ONLY */
-}
-
-static void
-initialize_ipv6only(void) {
- RUNTIME_CHECK(isc_once_do(&once_ipv6only,
- try_ipv6only) == ISC_R_SUCCESS);
-}
-#endif /* WANT_IPV6 */
-
-#ifdef ISC_PLATFORM_HAVEIN6PKTINFO
-static void
-try_ipv6pktinfo(void) {
- int s, on;
- char strbuf[ISC_STRERRORSIZE];
- isc_result_t result;
- int optname;
-
- result = isc_net_probeipv6();
- if (result != ISC_R_SUCCESS) {
- ipv6pktinfo_result = result;
- return;
- }
-
- /* we only use this for UDP sockets */
- s = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
- if (s == -1) {
- isc__strerror(errno, strbuf, sizeof(strbuf));
- UNEXPECTED_ERROR(__FILE__, __LINE__,
- "socket() %s: %s",
- isc_msgcat_get(isc_msgcat,
- ISC_MSGSET_GENERAL,
- ISC_MSG_FAILED,
- "failed"),
- strbuf);
- ipv6pktinfo_result = ISC_R_UNEXPECTED;
- return;
- }
-
-#ifdef IPV6_RECVPKTINFO
- optname = IPV6_RECVPKTINFO;
-#else
- optname = IPV6_PKTINFO;
-#endif
- on = 1;
- if (setsockopt(s, IPPROTO_IPV6, optname, &on, sizeof(on)) < 0) {
- ipv6pktinfo_result = ISC_R_NOTFOUND;
- goto close;
- }
-
- close(s);
- ipv6pktinfo_result = ISC_R_SUCCESS;
-
-close:
- close(s);
- return;
-}
-
-static void
-initialize_ipv6pktinfo(void) {
- RUNTIME_CHECK(isc_once_do(&once_ipv6pktinfo,
- try_ipv6pktinfo) == ISC_R_SUCCESS);
-}
-#endif /* ISC_PLATFORM_HAVEIN6PKTINFO */
-#endif /* ISC_PLATFORM_HAVEIPV6 */
-
-isc_result_t
-isc_net_probe_ipv6only(void) {
-#ifdef ISC_PLATFORM_HAVEIPV6
-#ifdef WANT_IPV6
- initialize_ipv6only();
-#else
- ipv6only_result = ISC_R_NOTFOUND;
-#endif
-#endif
- return (ipv6only_result);
-}
-
-isc_result_t
-isc_net_probe_ipv6pktinfo(void) {
-#ifdef ISC_PLATFORM_HAVEIPV6
-#ifdef ISC_PLATFORM_HAVEIN6PKTINFO
-#ifdef WANT_IPV6
- initialize_ipv6pktinfo();
-#else
- ipv6pktinfo_result = ISC_R_NOTFOUND;
-#endif
-#endif
-#endif
- return (ipv6pktinfo_result);
-}
-
-void
-isc_net_disableipv4(void) {
- initialize();
- if (ipv4_result == ISC_R_SUCCESS)
- ipv4_result = ISC_R_DISABLED;
-}
-
-void
-isc_net_disableipv6(void) {
- initialize();
- if (ipv6_result == ISC_R_SUCCESS)
- ipv6_result = ISC_R_DISABLED;
-}
-
-void
-isc_net_enableipv4(void) {
- initialize();
- if (ipv4_result == ISC_R_DISABLED)
- ipv4_result = ISC_R_SUCCESS;
-}
-
-void
-isc_net_enableipv6(void) {
- initialize();
- if (ipv6_result == ISC_R_DISABLED)
- ipv6_result = ISC_R_SUCCESS;
-}
--
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