diff options
Diffstat (limited to 'contrib/bind9/lib/isc/unix/interfaceiter.c')
| -rw-r--r-- | contrib/bind9/lib/isc/unix/interfaceiter.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/contrib/bind9/lib/isc/unix/interfaceiter.c b/contrib/bind9/lib/isc/unix/interfaceiter.c deleted file mode 100644 index 9520bdeb5670..000000000000 --- a/contrib/bind9/lib/isc/unix/interfaceiter.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1999-2003 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 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 1.22.2.1.10.14 2004/08/28 06:25:22 marka Exp $ */ - -#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". - * - * 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. - */ - -#if HAVE_GETIFADDRS -#include "ifiter_getifaddrs.c" -#elif HAVE_IFLIST_SYSCTL -#include "ifiter_sysctl.c" -#else -#include "ifiter_ioctl.c" -#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; -} |