diff options
Diffstat (limited to 'contrib/bind9/lib/isc/sockaddr.c')
| -rw-r--r-- | contrib/bind9/lib/isc/sockaddr.c | 503 |
1 files changed, 0 insertions, 503 deletions
diff --git a/contrib/bind9/lib/isc/sockaddr.c b/contrib/bind9/lib/isc/sockaddr.c deleted file mode 100644 index 2fd73af..0000000 --- a/contrib/bind9/lib/isc/sockaddr.c +++ /dev/null @@ -1,503 +0,0 @@ -/* - * Copyright (C) 2004-2006 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: sockaddr.c,v 1.59.18.9 2006/06/21 01:25:40 marka Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <stdio.h> - -#include <isc/buffer.h> -#include <isc/hash.h> -#include <isc/msgs.h> -#include <isc/netaddr.h> -#include <isc/print.h> -#include <isc/region.h> -#include <isc/sockaddr.h> -#include <isc/string.h> -#include <isc/util.h> - -isc_boolean_t -isc_sockaddr_equal(const isc_sockaddr_t *a, const isc_sockaddr_t *b) { - return (isc_sockaddr_compare(a, b, ISC_SOCKADDR_CMPADDR| - ISC_SOCKADDR_CMPPORT| - ISC_SOCKADDR_CMPSCOPE)); -} - -isc_boolean_t -isc_sockaddr_eqaddr(const isc_sockaddr_t *a, const isc_sockaddr_t *b) { - return (isc_sockaddr_compare(a, b, ISC_SOCKADDR_CMPADDR| - ISC_SOCKADDR_CMPSCOPE)); -} - -isc_boolean_t -isc_sockaddr_compare(const isc_sockaddr_t *a, const isc_sockaddr_t *b, - unsigned int flags) -{ - REQUIRE(a != NULL && b != NULL); - - if (a->length != b->length) - return (ISC_FALSE); - - /* - * We don't just memcmp because the sin_zero field isn't always - * zero. - */ - - if (a->type.sa.sa_family != b->type.sa.sa_family) - return (ISC_FALSE); - switch (a->type.sa.sa_family) { - case AF_INET: - if ((flags & ISC_SOCKADDR_CMPADDR) != 0 && - memcmp(&a->type.sin.sin_addr, &b->type.sin.sin_addr, - sizeof(a->type.sin.sin_addr)) != 0) - return (ISC_FALSE); - if ((flags & ISC_SOCKADDR_CMPPORT) != 0 && - a->type.sin.sin_port != b->type.sin.sin_port) - return (ISC_FALSE); - break; - case AF_INET6: - if ((flags & ISC_SOCKADDR_CMPADDR) != 0 && - memcmp(&a->type.sin6.sin6_addr, &b->type.sin6.sin6_addr, - sizeof(a->type.sin6.sin6_addr)) != 0) - return (ISC_FALSE); -#ifdef ISC_PLATFORM_HAVESCOPEID - /* - * If ISC_SOCKADDR_CMPSCOPEZERO is set then don't return - * ISC_FALSE if one of the scopes in zero. - */ - if ((flags & ISC_SOCKADDR_CMPSCOPE) != 0 && - a->type.sin6.sin6_scope_id != b->type.sin6.sin6_scope_id && - ((flags & ISC_SOCKADDR_CMPSCOPEZERO) == 0 || - (a->type.sin6.sin6_scope_id != 0 && - b->type.sin6.sin6_scope_id != 0))) - return (ISC_FALSE); -#endif - if ((flags & ISC_SOCKADDR_CMPPORT) != 0 && - a->type.sin6.sin6_port != b->type.sin6.sin6_port) - return (ISC_FALSE); - break; - default: - if (memcmp(&a->type, &b->type, a->length) != 0) - return (ISC_FALSE); - } - return (ISC_TRUE); -} - -isc_boolean_t -isc_sockaddr_eqaddrprefix(const isc_sockaddr_t *a, const isc_sockaddr_t *b, - unsigned int prefixlen) -{ - isc_netaddr_t na, nb; - isc_netaddr_fromsockaddr(&na, a); - isc_netaddr_fromsockaddr(&nb, b); - return (isc_netaddr_eqprefix(&na, &nb, prefixlen)); -} - -isc_result_t -isc_sockaddr_totext(const isc_sockaddr_t *sockaddr, isc_buffer_t *target) { - isc_result_t result; - isc_netaddr_t netaddr; - char pbuf[sizeof("65000")]; - unsigned int plen; - isc_region_t avail; - - REQUIRE(sockaddr != NULL); - - /* - * Do the port first, giving us the opportunity to check for - * unsupported address families before calling - * isc_netaddr_fromsockaddr(). - */ - switch (sockaddr->type.sa.sa_family) { - case AF_INET: - snprintf(pbuf, sizeof(pbuf), "%u", ntohs(sockaddr->type.sin.sin_port)); - break; - case AF_INET6: - snprintf(pbuf, sizeof(pbuf), "%u", ntohs(sockaddr->type.sin6.sin6_port)); - break; -#ifdef ISC_PLAFORM_HAVESYSUNH - case AF_UNIX: - plen = strlen(sockaddr->type.sunix.sun_path); - if (plen >= isc_buffer_availablelength(target)) - return (ISC_R_NOSPACE); - - isc_buffer_putmem(target, sockaddr->type.sunix.sun_path, plen); - - /* - * Null terminate after used region. - */ - isc_buffer_availableregion(target, &avail); - INSIST(avail.length >= 1); - avail.base[0] = '\0'; - - return (ISC_R_SUCCESS); -#endif - default: - return (ISC_R_FAILURE); - } - - plen = strlen(pbuf); - INSIST(plen < sizeof(pbuf)); - - isc_netaddr_fromsockaddr(&netaddr, sockaddr); - result = isc_netaddr_totext(&netaddr, target); - if (result != ISC_R_SUCCESS) - return (result); - - if (1 + plen + 1 > isc_buffer_availablelength(target)) - return (ISC_R_NOSPACE); - - isc_buffer_putmem(target, (const unsigned char *)"#", 1); - isc_buffer_putmem(target, (const unsigned char *)pbuf, plen); - - /* - * Null terminate after used region. - */ - isc_buffer_availableregion(target, &avail); - INSIST(avail.length >= 1); - avail.base[0] = '\0'; - - return (ISC_R_SUCCESS); -} - -void -isc_sockaddr_format(const isc_sockaddr_t *sa, char *array, unsigned int size) { - isc_result_t result; - isc_buffer_t buf; - - isc_buffer_init(&buf, array, size); - result = isc_sockaddr_totext(sa, &buf); - if (result != ISC_R_SUCCESS) { - /* - * The message is the same as in netaddr.c. - */ - snprintf(array, size, - isc_msgcat_get(isc_msgcat, ISC_MSGSET_NETADDR, - ISC_MSG_UNKNOWNADDR, - "<unknown address, family %u>"), - sa->type.sa.sa_family); - array[size - 1] = '\0'; - } -} - -unsigned int -isc_sockaddr_hash(const isc_sockaddr_t *sockaddr, isc_boolean_t address_only) { - unsigned int length = 0; - const unsigned char *s = NULL; - unsigned int h = 0; - unsigned int g; - unsigned int p = 0; - const struct in6_addr *in6; - - REQUIRE(sockaddr != NULL); - - switch (sockaddr->type.sa.sa_family) { - case AF_INET: - s = (const unsigned char *)&sockaddr->type.sin.sin_addr; - p = ntohs(sockaddr->type.sin.sin_port); - length = sizeof(sockaddr->type.sin.sin_addr.s_addr); - break; - case AF_INET6: - in6 = &sockaddr->type.sin6.sin6_addr; - if (IN6_IS_ADDR_V4MAPPED(in6)) { - s = (const unsigned char *)&in6[12]; - length = sizeof(sockaddr->type.sin.sin_addr.s_addr); - } else { - s = (const unsigned char *)in6; - length = sizeof(sockaddr->type.sin6.sin6_addr); - } - p = ntohs(sockaddr->type.sin6.sin6_port); - break; - default: - UNEXPECTED_ERROR(__FILE__, __LINE__, - isc_msgcat_get(isc_msgcat, - ISC_MSGSET_SOCKADDR, - ISC_MSG_UNKNOWNFAMILY, - "unknown address family: %d"), - (int)sockaddr->type.sa.sa_family); - s = (const unsigned char *)&sockaddr->type; - length = sockaddr->length; - p = 0; - } - - h = isc_hash_calc(s, length, ISC_TRUE); - if (!address_only) { - g = isc_hash_calc((const unsigned char *)&p, sizeof(p), - ISC_TRUE); - h = h ^ g; /* XXX: we should concatenate h and p first */ - } - - return (h); -} - -void -isc_sockaddr_any(isc_sockaddr_t *sockaddr) -{ - memset(sockaddr, 0, sizeof(*sockaddr)); - sockaddr->type.sin.sin_family = AF_INET; -#ifdef ISC_PLATFORM_HAVESALEN - sockaddr->type.sin.sin_len = sizeof(sockaddr->type.sin); -#endif - sockaddr->type.sin.sin_addr.s_addr = INADDR_ANY; - sockaddr->type.sin.sin_port = 0; - sockaddr->length = sizeof(sockaddr->type.sin); - ISC_LINK_INIT(sockaddr, link); -} - -void -isc_sockaddr_any6(isc_sockaddr_t *sockaddr) -{ - memset(sockaddr, 0, sizeof(*sockaddr)); - sockaddr->type.sin6.sin6_family = AF_INET6; -#ifdef ISC_PLATFORM_HAVESALEN - sockaddr->type.sin6.sin6_len = sizeof(sockaddr->type.sin6); -#endif - sockaddr->type.sin6.sin6_addr = in6addr_any; - sockaddr->type.sin6.sin6_port = 0; - sockaddr->length = sizeof(sockaddr->type.sin6); - ISC_LINK_INIT(sockaddr, link); -} - -void -isc_sockaddr_fromin(isc_sockaddr_t *sockaddr, const struct in_addr *ina, - in_port_t port) -{ - memset(sockaddr, 0, sizeof(*sockaddr)); - sockaddr->type.sin.sin_family = AF_INET; -#ifdef ISC_PLATFORM_HAVESALEN - sockaddr->type.sin.sin_len = sizeof(sockaddr->type.sin); -#endif - sockaddr->type.sin.sin_addr = *ina; - sockaddr->type.sin.sin_port = htons(port); - sockaddr->length = sizeof(sockaddr->type.sin); - ISC_LINK_INIT(sockaddr, link); -} - -void -isc_sockaddr_anyofpf(isc_sockaddr_t *sockaddr, int pf) { - switch (pf) { - case AF_INET: - isc_sockaddr_any(sockaddr); - break; - case AF_INET6: - isc_sockaddr_any6(sockaddr); - break; - default: - INSIST(0); - } -} - -void -isc_sockaddr_fromin6(isc_sockaddr_t *sockaddr, const struct in6_addr *ina6, - in_port_t port) -{ - memset(sockaddr, 0, sizeof(*sockaddr)); - sockaddr->type.sin6.sin6_family = AF_INET6; -#ifdef ISC_PLATFORM_HAVESALEN - sockaddr->type.sin6.sin6_len = sizeof(sockaddr->type.sin6); -#endif - sockaddr->type.sin6.sin6_addr = *ina6; - sockaddr->type.sin6.sin6_port = htons(port); - sockaddr->length = sizeof(sockaddr->type.sin6); - ISC_LINK_INIT(sockaddr, link); -} - -void -isc_sockaddr_v6fromin(isc_sockaddr_t *sockaddr, const struct in_addr *ina, - in_port_t port) -{ - memset(sockaddr, 0, sizeof(*sockaddr)); - sockaddr->type.sin6.sin6_family = AF_INET6; -#ifdef ISC_PLATFORM_HAVESALEN - sockaddr->type.sin6.sin6_len = sizeof(sockaddr->type.sin6); -#endif - sockaddr->type.sin6.sin6_addr.s6_addr[10] = 0xff; - sockaddr->type.sin6.sin6_addr.s6_addr[11] = 0xff; - memcpy(&sockaddr->type.sin6.sin6_addr.s6_addr[12], ina, 4); - sockaddr->type.sin6.sin6_port = htons(port); - sockaddr->length = sizeof(sockaddr->type.sin6); - ISC_LINK_INIT(sockaddr, link); -} - -int -isc_sockaddr_pf(const isc_sockaddr_t *sockaddr) { - - /* - * Get the protocol family of 'sockaddr'. - */ - -#if (AF_INET == PF_INET && AF_INET6 == PF_INET6) - /* - * Assume that PF_xxx == AF_xxx for all AF and PF. - */ - return (sockaddr->type.sa.sa_family); -#else - switch (sockaddr->type.sa.sa_family) { - case AF_INET: - return (PF_INET); - case AF_INET6: - return (PF_INET6); - default: - FATAL_ERROR(__FILE__, __LINE__, - isc_msgcat_get(isc_msgcat, ISC_MSGSET_SOCKADDR, - ISC_MSG_UNKNOWNFAMILY, - "unknown address family: %d"), - (int)sockaddr->type.sa.sa_family); - } -#endif -} - -void -isc_sockaddr_fromnetaddr(isc_sockaddr_t *sockaddr, const isc_netaddr_t *na, - in_port_t port) -{ - memset(sockaddr, 0, sizeof(*sockaddr)); - sockaddr->type.sin.sin_family = na->family; - switch (na->family) { - case AF_INET: - sockaddr->length = sizeof(sockaddr->type.sin); -#ifdef ISC_PLATFORM_HAVESALEN - sockaddr->type.sin.sin_len = sizeof(sockaddr->type.sin); -#endif - sockaddr->type.sin.sin_addr = na->type.in; - sockaddr->type.sin.sin_port = htons(port); - break; - case AF_INET6: - sockaddr->length = sizeof(sockaddr->type.sin6); -#ifdef ISC_PLATFORM_HAVESALEN - sockaddr->type.sin6.sin6_len = sizeof(sockaddr->type.sin6); -#endif - memcpy(&sockaddr->type.sin6.sin6_addr, &na->type.in6, 16); -#ifdef ISC_PLATFORM_HAVESCOPEID - sockaddr->type.sin6.sin6_scope_id = isc_netaddr_getzone(na); -#endif - sockaddr->type.sin6.sin6_port = htons(port); - break; - default: - INSIST(0); - } - ISC_LINK_INIT(sockaddr, link); -} - -void -isc_sockaddr_setport(isc_sockaddr_t *sockaddr, in_port_t port) { - switch (sockaddr->type.sa.sa_family) { - case AF_INET: - sockaddr->type.sin.sin_port = htons(port); - break; - case AF_INET6: - sockaddr->type.sin6.sin6_port = htons(port); - break; - default: - FATAL_ERROR(__FILE__, __LINE__, - isc_msgcat_get(isc_msgcat, ISC_MSGSET_SOCKADDR, - ISC_MSG_UNKNOWNFAMILY, - "unknown address family: %d"), - (int)sockaddr->type.sa.sa_family); - } -} - -in_port_t -isc_sockaddr_getport(const isc_sockaddr_t *sockaddr) { - in_port_t port = 0; - - switch (sockaddr->type.sa.sa_family) { - case AF_INET: - port = ntohs(sockaddr->type.sin.sin_port); - break; - case AF_INET6: - port = ntohs(sockaddr->type.sin6.sin6_port); - break; - default: - FATAL_ERROR(__FILE__, __LINE__, - isc_msgcat_get(isc_msgcat, ISC_MSGSET_SOCKADDR, - ISC_MSG_UNKNOWNFAMILY, - "unknown address family: %d"), - (int)sockaddr->type.sa.sa_family); - } - - return (port); -} - -isc_boolean_t -isc_sockaddr_ismulticast(const isc_sockaddr_t *sockaddr) { - isc_netaddr_t netaddr; - - if (sockaddr->type.sa.sa_family == AF_INET || - sockaddr->type.sa.sa_family == AF_INET6) { - isc_netaddr_fromsockaddr(&netaddr, sockaddr); - return (isc_netaddr_ismulticast(&netaddr)); - } - return (ISC_FALSE); -} - -isc_boolean_t -isc_sockaddr_isexperimental(const isc_sockaddr_t *sockaddr) { - isc_netaddr_t netaddr; - - if (sockaddr->type.sa.sa_family == AF_INET) { - isc_netaddr_fromsockaddr(&netaddr, sockaddr); - return (isc_netaddr_isexperimental(&netaddr)); - } - return (ISC_FALSE); -} - -isc_boolean_t -isc_sockaddr_issitelocal(const isc_sockaddr_t *sockaddr) { - isc_netaddr_t netaddr; - - if (sockaddr->type.sa.sa_family == AF_INET6) { - isc_netaddr_fromsockaddr(&netaddr, sockaddr); - return (isc_netaddr_issitelocal(&netaddr)); - } - return (ISC_FALSE); -} - -isc_boolean_t -isc_sockaddr_islinklocal(const isc_sockaddr_t *sockaddr) { - isc_netaddr_t netaddr; - - if (sockaddr->type.sa.sa_family == AF_INET6) { - isc_netaddr_fromsockaddr(&netaddr, sockaddr); - return (isc_netaddr_islinklocal(&netaddr)); - } - return (ISC_FALSE); -} - -isc_result_t -isc_sockaddr_frompath(isc_sockaddr_t *sockaddr, const char *path) { -#ifdef ISC_PLATFORM_HAVESYSUNH - if (strlen(path) >= sizeof(sockaddr->type.sunix.sun_path)) - return (ISC_R_NOSPACE); - memset(sockaddr, 0, sizeof(*sockaddr)); - sockaddr->length = sizeof(sockaddr->type.sunix); - sockaddr->type.sunix.sun_family = AF_UNIX; -#ifdef ISC_PLATFORM_HAVESALEN - sockaddr->type.sunix.sun_len = - (unsigned char)sizeof(sockaddr->type.sunix); -#endif - strcpy(sockaddr->type.sunix.sun_path, path); - return (ISC_R_SUCCESS); -#else - UNUSED(sockaddr); - UNUSED(path); - return (ISC_R_NOTIMPLEMENTED); -#endif -} |
