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-rw-r--r--contrib/bind9/lib/isc/unix/interfaceiter.c312
1 files changed, 0 insertions, 312 deletions
diff --git a/contrib/bind9/lib/isc/unix/interfaceiter.c b/contrib/bind9/lib/isc/unix/interfaceiter.c
deleted file mode 100644
index af2b06d..0000000
--- a/contrib/bind9/lib/isc/unix/interfaceiter.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * Copyright (C) 2004, 2005, 2007, 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
- * 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: interfaceiter.c,v 1.45 2008/12/01 03:51:47 marka Exp $ */
-
-/*! \file */
-
-#include <config.h>
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#ifdef HAVE_SYS_SOCKIO_H
-#include <sys/sockio.h> /* Required for ifiter_ioctl.c. */
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include <isc/interfaceiter.h>
-#include <isc/log.h>
-#include <isc/magic.h>
-#include <isc/mem.h>
-#include <isc/msgs.h>
-#include <isc/net.h>
-#include <isc/print.h>
-#include <isc/result.h>
-#include <isc/strerror.h>
-#include <isc/string.h>
-#include <isc/types.h>
-#include <isc/util.h>
-
-/* Must follow <isc/net.h>. */
-#ifdef HAVE_NET_IF6_H
-#include <net/if6.h>
-#endif
-#include <net/if.h>
-
-/* Common utility functions */
-
-/*%
- * Extract the network address part from a "struct sockaddr".
- * \brief
- * The address family is given explicitly
- * 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).
- */
-
-static void
-get_addr(unsigned int family, isc_netaddr_t *dst, struct sockaddr *src,
- char *ifname)
-{
- struct sockaddr_in6 *sa6;
-
-#if !defined(ISC_PLATFORM_HAVEIFNAMETOINDEX) || \
- !defined(ISC_PLATFORM_HAVESCOPEID)
- UNUSED(ifname);
-#endif
-
- /* clear any remaining value for safety */
- memset(dst, 0, sizeof(*dst));
-
- 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:
- sa6 = (struct sockaddr_in6 *)src;
- memcpy(&dst->type.in6, &sa6->sin6_addr,
- sizeof(struct in6_addr));
-#ifdef ISC_PLATFORM_HAVESCOPEID
- if (sa6->sin6_scope_id != 0)
- isc_netaddr_setzone(dst, sa6->sin6_scope_id);
- else {
- /*
- * BSD variants embed scope zone IDs in the 128bit
- * address as a kernel internal form. Unfortunately,
- * the embedded IDs are not hidden from applications
- * when getting access to them by sysctl or ioctl.
- * We convert the internal format to the pure address
- * part and the zone ID part.
- * Since multicast addresses should not appear here
- * and they cannot be distinguished from netmasks,
- * we only consider unicast link-local addresses.
- */
- if (IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr)) {
- isc_uint16_t zone16;
-
- memcpy(&zone16, &sa6->sin6_addr.s6_addr[2],
- sizeof(zone16));
- zone16 = ntohs(zone16);
- if (zone16 != 0) {
- /* the zone ID is embedded */
- isc_netaddr_setzone(dst,
- (isc_uint32_t)zone16);
- dst->type.in6.s6_addr[2] = 0;
- dst->type.in6.s6_addr[3] = 0;
-#ifdef ISC_PLATFORM_HAVEIFNAMETOINDEX
- } else if (ifname != NULL) {
- unsigned int zone;
-
- /*
- * sin6_scope_id is still not provided,
- * but the corresponding interface name
- * is know. Use the interface ID as
- * the link ID.
- */
- zone = if_nametoindex(ifname);
- if (zone != 0) {
- isc_netaddr_setzone(dst,
- (isc_uint32_t)zone);
- }
-#endif
- }
- }
- }
-#endif
- break;
- default:
- INSIST(0);
- break;
- }
-}
-
-/*
- * Include system-dependent code.
- */
-
-#ifdef __linux
-#define ISC_IF_INET6_SZ \
- sizeof("00000000000000000000000000000001 01 80 10 80 XXXXXXloXXXXXXXX\n")
-static isc_result_t linux_if_inet6_next(isc_interfaceiter_t *);
-static isc_result_t linux_if_inet6_current(isc_interfaceiter_t *);
-static void linux_if_inet6_first(isc_interfaceiter_t *iter);
-#endif
-
-#if HAVE_GETIFADDRS
-#include "ifiter_getifaddrs.c"
-#elif HAVE_IFLIST_SYSCTL
-#include "ifiter_sysctl.c"
-#else
-#include "ifiter_ioctl.c"
-#endif
-
-#ifdef __linux
-static void
-linux_if_inet6_first(isc_interfaceiter_t *iter) {
- if (iter->proc != NULL) {
- rewind(iter->proc);
- (void)linux_if_inet6_next(iter);
- } else
- iter->valid = ISC_R_NOMORE;
-}
-
-static isc_result_t
-linux_if_inet6_next(isc_interfaceiter_t *iter) {
- if (iter->proc != NULL &&
- fgets(iter->entry, sizeof(iter->entry), iter->proc) != NULL)
- iter->valid = ISC_R_SUCCESS;
- else
- iter->valid = ISC_R_NOMORE;
- return (iter->valid);
-}
-
-static isc_result_t
-linux_if_inet6_current(isc_interfaceiter_t *iter) {
- char address[33];
- char name[IF_NAMESIZE+1];
- struct in6_addr addr6;
- int ifindex, prefix, flag3, flag4;
- int res;
- unsigned int i;
-
- if (iter->valid != ISC_R_SUCCESS)
- return (iter->valid);
- if (iter->proc == NULL) {
- isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL,
- ISC_LOGMODULE_INTERFACE, ISC_LOG_ERROR,
- "/proc/net/if_inet6:iter->proc == NULL");
- return (ISC_R_FAILURE);
- }
-
- res = sscanf(iter->entry, "%32[a-f0-9] %x %x %x %x %16s\n",
- address, &ifindex, &prefix, &flag3, &flag4, name);
- if (res != 6) {
- isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL,
- ISC_LOGMODULE_INTERFACE, ISC_LOG_ERROR,
- "/proc/net/if_inet6:sscanf() -> %d (expected 6)",
- res);
- return (ISC_R_FAILURE);
- }
- if (strlen(address) != 32) {
- isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL,
- ISC_LOGMODULE_INTERFACE, ISC_LOG_ERROR,
- "/proc/net/if_inet6:strlen(%s) != 32", address);
- return (ISC_R_FAILURE);
- }
- for (i = 0; i < 16; i++) {
- unsigned char byte;
- static const char hex[] = "0123456789abcdef";
- byte = ((strchr(hex, address[i * 2]) - hex) << 4) |
- (strchr(hex, address[i * 2 + 1]) - hex);
- addr6.s6_addr[i] = byte;
- }
- iter->current.af = AF_INET6;
- iter->current.flags = INTERFACE_F_UP;
- isc_netaddr_fromin6(&iter->current.address, &addr6);
- if (isc_netaddr_islinklocal(&iter->current.address)) {
- isc_netaddr_setzone(&iter->current.address,
- (isc_uint32_t)ifindex);
- }
- for (i = 0; i < 16; i++) {
- if (prefix > 8) {
- addr6.s6_addr[i] = 0xff;
- prefix -= 8;
- } else {
- addr6.s6_addr[i] = (0xff << (8 - prefix)) & 0xff;
- prefix = 0;
- }
- }
- isc_netaddr_fromin6(&iter->current.netmask, &addr6);
- strncpy(iter->current.name, name, sizeof(iter->current.name));
- return (ISC_R_SUCCESS);
-}
-#endif
-
-/*
- * The remaining code is common to the sysctl and ioctl case.
- */
-
-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));
-
- internal_first(iter);
- for (;;) {
- result = internal_current(iter);
- if (result != ISC_R_IGNORE)
- break;
- result = internal_next(iter);
- if (result != ISC_R_SUCCESS)
- 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);
- 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));
-
- internal_destroy(iter);
- if (iter->buf != NULL)
- isc_mem_put(iter->mctx, iter->buf, iter->bufsize);
-
- iter->magic = 0;
- isc_mem_put(iter->mctx, iter, sizeof(*iter));
- *iterp = NULL;
-}
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