1 files changed, 0 insertions, 377 deletions
diff --git a/usr.sbin/bind/lib/isc/win32/interfaceiter.c b/usr.sbin/bind/lib/isc/win32/interfaceiter.c
deleted file mode 100644
index 9c373c8165d..00000000000
--- a/usr.sbin/bind/lib/isc/win32/interfaceiter.c
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
- * Copyright (C) 1999-2001  Internet Software Consortium.
- *
- * 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 INTERNET SOFTWARE CONSORTIUM
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
- * INTERNET SOFTWARE CONSORTIUM 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.
- */
-
-/* $ISC: interfaceiter.c,v 1.4 2001/07/17 20:29:27 gson Exp $ */
-
-/*
- * Note that this code will need to be revisited to support IPv6 Interfaces.
- * For now we just iterate through IPv4 interfaces.
- */
-
-#include <config.h>
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#include <sys/types.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-
-#include <isc/interfaceiter.h>
-#include <isc/mem.h>
-#include <isc/result.h>
-#include <isc/string.h>
-#include <isc/types.h>
-#include <isc/util.h>
-#include "errno2result.h"
-
-/* Common utility functions */
-
-/*
- * Extract the network address part from a "struct sockaddr".
- *
- * The address family is given explicity
- * instead of using src->sa_family, because the latter does not work
- * for copying a network mask obtained by SIOCGIFNETMASK (it does
- * not have a valid address family).
- */
-
-
-#define IFITER_MAGIC		0x49464954U	/* IFIT. */
-#define VALID_IFITER(t)		((t) != NULL && (t)->magic == IFITER_MAGIC)
-
-struct isc_interfaceiter {
-	unsigned int		magic;		/* Magic number. */
-	isc_mem_t		*mctx;
-	int			socket;
-	INTERFACE_INFO		IFData;		/* Current Interface Info */
-	int			numIF;		/* Current Interface count */
-	int			totalIF;	/* Total Number
-						   of Interfaces */
-	INTERFACE_INFO		*buf;		/* Buffer for WSAIoctl data. */
-	unsigned int		bufsize;	/* Bytes allocated. */
-	INTERFACE_INFO		*pos;		/* Current offset in IF List */
-	isc_interface_t		current;	/* Current interface data. */
-	isc_result_t		result;		/* Last result code. */
-};
-
-
-/*
- * Size of buffer for SIO_GET_INTERFACE_LIST, in number of interfaces.
- * We assume no sane system will have more than than 1K of IP addresses on
- * all of its adapters.
- */
-#define IFCONF_SIZE_INITIAL	  16
-#define IFCONF_SIZE_INCREMENT	  64
-#define IFCONF_SIZE_MAX		1040
-
-static void
-get_addr(unsigned int family, isc_netaddr_t *dst, struct sockaddr *src) {
-	dst->family = family;
-	switch (family) {
-	case AF_INET:
-		memcpy(&dst->type.in,
-		       &((struct sockaddr_in *) src)->sin_addr,
-		       sizeof(struct in_addr));
-		break;
-	case	AF_INET6:
-		memcpy(&dst->type.in6,
-		       &((struct sockaddr_in6 *) src)->sin6_addr,
-		       sizeof(struct in6_addr));
-		break;
-	default:
-		INSIST(0);
-		break;
-	}
-}
-
-isc_result_t
-isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) {
-	isc_interfaceiter_t *iter;
-	isc_result_t result;
-	int error;
-	unsigned long bytesReturned = 0;
-
-	REQUIRE(mctx != NULL);
-	REQUIRE(iterp != NULL);
-	REQUIRE(*iterp == NULL);
-
-	iter = isc_mem_get(mctx, sizeof(*iter));
-	if (iter == NULL)
-		return (ISC_R_NOMEMORY);
-
-	iter->mctx = mctx;
-	iter->buf = NULL;
-
-	/*
-	 * Create an unbound datagram socket to do the
-	 * SIO_GET_INTERFACE_LIST WSAIoctl on.
-	 */
-	if ((iter->socket = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
-		UNEXPECTED_ERROR(__FILE__, __LINE__,
-				 "making interface scan socket: %s",
-				 strerror(errno));
-		result = ISC_R_UNEXPECTED;
-		goto socket_failure;
-	}
-
-	/*
-	 * Get the interface configuration, allocating more memory if
-	 * necessary.
-	 */
-	iter->bufsize = IFCONF_SIZE_INITIAL*sizeof(INTERFACE_INFO);
-
-	for (;;) {
-		iter->buf = isc_mem_get(mctx, iter->bufsize);
-		if (iter->buf == NULL) {
-			result = ISC_R_NOMEMORY;
-			goto alloc_failure;
-		}
-
-		if (WSAIoctl(iter->socket, SIO_GET_INTERFACE_LIST,
-			     0, 0, iter->buf, iter->bufsize,
-			     &bytesReturned, 0, 0)
-		    == SOCKET_ERROR)
-		{
-			error = WSAGetLastError();
-			if (error != WSAEFAULT && error != WSAENOBUFS) {
-				errno = error;
-				UNEXPECTED_ERROR(__FILE__, __LINE__,
-					     "get interface configuration: %s",
-						 NTstrerror(error));
-				result = ISC_R_UNEXPECTED;
-				goto ioctl_failure;
-			}
-			/*
-			 * EINVAL.  Retry with a bigger buffer.
-			 */
-		} else {
-			/*
-			 * The WSAIoctl succeeded.
-			 * If the number of the returned bytes is the same
-			 * as the buffer size, we will grow it just in
-			 * case and retry.
-			 */
-			if (bytesReturned > 0 &&
-			    (bytesReturned < iter->bufsize))
-				break;
-		}
-		if (iter->bufsize >= IFCONF_SIZE_MAX*sizeof(INTERFACE_INFO)) {
-			UNEXPECTED_ERROR(__FILE__, __LINE__,
-					 "get interface configuration: "
-					 "maximum buffer size exceeded");
-			result = ISC_R_UNEXPECTED;
-			goto ioctl_failure;
-		}
-		isc_mem_put(mctx, iter->buf, iter->bufsize);
-
-		iter->bufsize += IFCONF_SIZE_INCREMENT *
-			sizeof(INTERFACE_INFO);
-	}
-
-	/*
-	 * A newly created iterator has an undefined position
-	 * until isc_interfaceiter_first() is called.
-	 */
-	iter->pos = NULL;
-	iter->result = ISC_R_FAILURE;
-	iter->numIF = 0;
-	iter->totalIF = bytesReturned/sizeof(INTERFACE_INFO);
-
-
-	iter->magic = IFITER_MAGIC;
-	*iterp = iter;
-	/* We don't need the socket any more, so close it */
-	closesocket(iter->socket);
-	return (ISC_R_SUCCESS);
-
- ioctl_failure:
-	isc_mem_put(mctx, iter->buf, iter->bufsize);
-
- alloc_failure:
-	(void) closesocket(iter->socket);
-
- socket_failure:
-	isc_mem_put(mctx, iter, sizeof *iter);
-	return (result);
-}
-
-/*
- * Get information about the current interface to iter->current.
- * If successful, return ISC_R_SUCCESS.
- * If the interface has an unsupported address family, or if
- * some operation on it fails, return ISC_R_IGNORE to make
- * the higher-level iterator code ignore it.
- */
-
-static isc_result_t
-internal_current(isc_interfaceiter_t *iter, int family) {
-	BOOL ifNamed = FALSE;
-	unsigned long flags;
-
-	REQUIRE(VALID_IFITER(iter));
-	REQUIRE(iter->numIF >= 0);
-
-	memset(&iter->current, 0, sizeof(iter->current));
-	iter->current.af = family;
-
-	get_addr(family, &iter->current.address,
-		 (struct sockaddr *)&(iter->IFData.iiAddress));
-
-	/*
-	 * Get interface flags.
-	 */
-
-	iter->current.flags = 0;
-	flags = iter->IFData.iiFlags;
-
-	if ((flags & IFF_UP) != 0)
-		iter->current.flags |= INTERFACE_F_UP;
-
-	if ((flags & IFF_POINTTOPOINT) != 0) {
-		iter->current.flags |= INTERFACE_F_POINTTOPOINT;
-		sprintf(iter->current.name, "PPP Interface %d", iter->numIF);
-		ifNamed = TRUE;
-	}
-
-	if ((flags & IFF_LOOPBACK) != 0) {
-		iter->current.flags |= INTERFACE_F_LOOPBACK;
-		sprintf(iter->current.name, "Loopback Interface %d",
-			iter->numIF);
-		ifNamed = TRUE;
-	}
-
-	/*
-	 * If the interface is point-to-point, get the destination address.
-	 */
-	if ((iter->current.flags & INTERFACE_F_POINTTOPOINT) != 0) {
-		get_addr(family, &iter->current.dstaddress,
-		(struct sockaddr *)&(iter->IFData.iiBroadcastAddress));
-	}
-
-	if (ifNamed == FALSE)
-		sprintf(iter->current.name,
-			"TCP/IP Interface %d", iter->numIF);
-
-	/*
-	 * Get the network mask.
-	 */
-	switch (family) {
-	case AF_INET:
-		get_addr(family, &iter->current.netmask,
-			 (struct sockaddr *)&(iter->IFData.iiNetmask));
-		break;
-	case AF_INET6:
-		break;
-	}
-
-	return (ISC_R_SUCCESS);
-}
-
-/*
- * Step the iterator to the next interface.  Unlike
- * isc_interfaceiter_next(), this may leave the iterator
- * positioned on an interface that will ultimately
- * be ignored.  Return ISC_R_NOMORE if there are no more
- * interfaces, otherwise ISC_R_SUCCESS.
- */
-static isc_result_t
-internal_next(isc_interfaceiter_t *iter) {
-	if (iter->numIF >= iter->totalIF)
-		return (ISC_R_NOMORE);
-
-	/*
-	 * The first one needs to be set up to point to the last
-	 * Element of the array.  Go to the end and back up
-	 * Microsoft's implementation is peculiar for returning
-	 * the list in reverse order
-	 */
-	 
-	if (iter->numIF == 0)
-		iter->pos = (INTERFACE_INFO *)(iter->buf + (iter->totalIF));
-
-	iter->pos--;
-	if (&(iter->pos) < &(iter->buf))
-		return (ISC_R_NOMORE);
-
-	memset(&(iter->IFData), 0, sizeof(INTERFACE_INFO));
-	memcpy(&(iter->IFData), iter->pos, sizeof(INTERFACE_INFO));
-	iter->numIF++;
-
-	return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-isc_interfaceiter_current(isc_interfaceiter_t *iter,
-			  isc_interface_t *ifdata) {
-	REQUIRE(iter->result == ISC_R_SUCCESS);
-	memcpy(ifdata, &iter->current, sizeof(*ifdata));
-	return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-isc_interfaceiter_first(isc_interfaceiter_t *iter) {
-	isc_result_t result;
-
-	REQUIRE(VALID_IFITER(iter));
-
-	iter->numIF = 0;
-	for (;;) {
-		result = internal_next(iter);
-		if (result != ISC_R_SUCCESS)
-			break;
-		result = internal_current(iter, AF_INET);
-		if (result != ISC_R_IGNORE)
-			break;
-	}
-	iter->result = result;
-	return (result);
-}
-
-isc_result_t
-isc_interfaceiter_next(isc_interfaceiter_t *iter) {
-	isc_result_t result;
-
-	REQUIRE(VALID_IFITER(iter));
-	REQUIRE(iter->result == ISC_R_SUCCESS);
-
-	for (;;) {
-		result = internal_next(iter);
-		if (result != ISC_R_SUCCESS)
-			break;
-		result = internal_current(iter,AF_INET);
-		if (result != ISC_R_IGNORE)
-			break;
-	}
-	iter->result = result;
-	return (result);
-}
-
-void
-isc_interfaceiter_destroy(isc_interfaceiter_t **iterp) {
-	isc_interfaceiter_t *iter;
-	REQUIRE(iterp != NULL);
-	iter = *iterp;
-	REQUIRE(VALID_IFITER(iter));
-
-	isc_mem_put(iter->mctx, iter->buf, iter->bufsize);
-
-	iter->magic = 0;
-	isc_mem_put(iter->mctx, iter, sizeof *iter);
-	*iterp = NULL;
-}
-