00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
406 lines
9.9 KiB
C
406 lines
9.9 KiB
C
/* $NetBSD: socket_api.c,v 1.10 2014/12/10 04:37:59 christos Exp $ */
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/*
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* Copyright (C) 2009, 2011-2014 Internet Systems Consortium, Inc. ("ISC")
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Id */
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#include <config.h>
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#include <isc/app.h>
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#include <isc/magic.h>
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#include <isc/mutex.h>
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#include <isc/once.h>
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#include <isc/socket.h>
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#include <isc/util.h>
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static isc_mutex_t createlock;
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static isc_once_t once = ISC_ONCE_INIT;
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static isc_socketmgrcreatefunc_t socketmgr_createfunc = NULL;
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static void
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initialize(void) {
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RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
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}
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isc_result_t
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isc_socket_register(isc_socketmgrcreatefunc_t createfunc) {
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isc_result_t result = ISC_R_SUCCESS;
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RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
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LOCK(&createlock);
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if (socketmgr_createfunc == NULL)
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socketmgr_createfunc = createfunc;
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else
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result = ISC_R_EXISTS;
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UNLOCK(&createlock);
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return (result);
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}
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isc_result_t
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isc_socketmgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx,
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isc_socketmgr_t **managerp)
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{
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isc_result_t result;
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LOCK(&createlock);
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REQUIRE(socketmgr_createfunc != NULL);
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result = (*socketmgr_createfunc)(mctx, managerp);
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UNLOCK(&createlock);
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if (result == ISC_R_SUCCESS)
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isc_appctx_setsocketmgr(actx, *managerp);
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return (result);
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}
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isc_result_t
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isc_socketmgr_create(isc_mem_t *mctx, isc_socketmgr_t **managerp) {
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isc_result_t result;
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if (isc_bind9)
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return (isc__socketmgr_create(mctx, managerp));
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LOCK(&createlock);
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REQUIRE(socketmgr_createfunc != NULL);
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result = (*socketmgr_createfunc)(mctx, managerp);
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UNLOCK(&createlock);
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return (result);
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}
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void
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isc_socketmgr_destroy(isc_socketmgr_t **managerp) {
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REQUIRE(managerp != NULL && ISCAPI_SOCKETMGR_VALID(*managerp));
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if (isc_bind9)
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isc__socketmgr_destroy(managerp);
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else
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(*managerp)->methods->destroy(managerp);
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ENSURE(*managerp == NULL);
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}
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isc_result_t
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isc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type,
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isc_socket_t **socketp)
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{
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REQUIRE(ISCAPI_SOCKETMGR_VALID(manager));
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if (isc_bind9)
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return (isc__socket_create(manager, pf, type, socketp));
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return (manager->methods->socketcreate(manager, pf, type, socketp));
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}
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void
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isc_socket_attach(isc_socket_t *sock, isc_socket_t **socketp) {
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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REQUIRE(socketp != NULL && *socketp == NULL);
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if (isc_bind9)
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isc__socket_attach(sock, socketp);
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else
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sock->methods->attach(sock, socketp);
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ENSURE(*socketp == sock);
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}
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void
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isc_socket_detach(isc_socket_t **socketp) {
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REQUIRE(socketp != NULL && ISCAPI_SOCKET_VALID(*socketp));
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if (isc_bind9)
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isc__socket_detach(socketp);
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else
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(*socketp)->methods->detach(socketp);
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ENSURE(*socketp == NULL);
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}
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isc_result_t
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isc_socket_bind(isc_socket_t *sock, isc_sockaddr_t *sockaddr,
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unsigned int options)
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{
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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return (isc__socket_bind(sock, sockaddr, options));
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return (sock->methods->bind(sock, sockaddr, options));
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}
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isc_result_t
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isc_socket_sendto(isc_socket_t *sock, isc_region_t *region, isc_task_t *task,
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isc_taskaction_t action, void *arg,
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isc_sockaddr_t *address, struct in6_pktinfo *pktinfo)
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{
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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return (isc__socket_sendto(sock, region, task,
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action, arg, address, pktinfo));
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return (sock->methods->sendto(sock, region, task, action, arg, address,
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pktinfo));
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}
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isc_result_t
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isc_socket_connect(isc_socket_t *sock, isc_sockaddr_t *addr, isc_task_t *task,
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isc_taskaction_t action, void *arg)
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{
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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return (isc__socket_connect(sock, addr, task, action, arg));
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return (sock->methods->connect(sock, addr, task, action, arg));
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}
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isc_result_t
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isc_socket_recv(isc_socket_t *sock, isc_region_t *region, unsigned int minimum,
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isc_task_t *task, isc_taskaction_t action, void *arg)
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{
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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return (isc__socket_recv(sock, region, minimum,
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task, action, arg));
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return (sock->methods->recv(sock, region, minimum, task, action, arg));
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}
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void
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isc_socket_cancel(isc_socket_t *sock, isc_task_t *task, unsigned int how) {
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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isc__socket_cancel(sock, task, how);
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else
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sock->methods->cancel(sock, task, how);
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}
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isc_result_t
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isc_socket_getsockname(isc_socket_t *sock, isc_sockaddr_t *addressp) {
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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return (isc__socket_getsockname(sock, addressp));
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return (sock->methods->getsockname(sock, addressp));
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}
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void
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isc_socket_ipv6only(isc_socket_t *sock, isc_boolean_t yes) {
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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isc__socket_ipv6only(sock, yes);
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else
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sock->methods->ipv6only(sock, yes);
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}
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void
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isc_socket_dscp(isc_socket_t *sock, isc_dscp_t dscp) {
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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sock->methods->dscp(sock, dscp);
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}
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isc_sockettype_t
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isc_socket_gettype(isc_socket_t *sock) {
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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return (isc__socket_gettype(sock));
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return (sock->methods->gettype(sock));
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}
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void
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isc_socket_setname(isc_socket_t *socket, const char *name, void *tag) {
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REQUIRE(ISCAPI_SOCKET_VALID(socket));
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UNUSED(socket); /* in case REQUIRE() is empty */
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UNUSED(name);
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UNUSED(tag);
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}
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isc_result_t
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isc_socket_fdwatchcreate(isc_socketmgr_t *manager, int fd, int flags,
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isc_sockfdwatch_t callback, void *cbarg,
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isc_task_t *task, isc_socket_t **socketp)
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{
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REQUIRE(ISCAPI_SOCKETMGR_VALID(manager));
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if (isc_bind9)
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return (isc__socket_fdwatchcreate(manager, fd, flags,
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callback, cbarg,
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task, socketp));
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return (manager->methods->fdwatchcreate(manager, fd, flags,
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callback, cbarg, task,
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socketp));
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}
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isc_result_t
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isc_socket_fdwatchpoke(isc_socket_t *sock, int flags)
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{
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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return (isc__socket_fdwatchpoke(sock, flags));
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return (sock->methods->fdwatchpoke(sock, flags));
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}
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isc_result_t
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isc_socket_dup(isc_socket_t *sock, isc_socket_t **socketp) {
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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REQUIRE(socketp != NULL && *socketp == NULL);
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if (isc_bind9)
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return (isc__socket_dup(sock, socketp));
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return (sock->methods->dup(sock, socketp));
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}
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int
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isc_socket_getfd(isc_socket_t *sock) {
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REQUIRE(ISCAPI_SOCKET_VALID(sock));
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if (isc_bind9)
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return (isc__socket_getfd(sock));
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return (sock->methods->getfd(sock));
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}
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isc_result_t
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isc_socket_open(isc_socket_t *sock) {
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return (isc__socket_open(sock));
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}
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isc_result_t
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isc_socket_close(isc_socket_t *sock) {
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return (isc__socket_close(sock));
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}
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isc_result_t
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isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
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unsigned int maxsocks)
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{
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return (isc__socketmgr_create2(mctx, managerp, maxsocks));
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}
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isc_result_t
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isc_socket_recvv(isc_socket_t *sock, isc_bufferlist_t *buflist,
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unsigned int minimum, isc_task_t *task,
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isc_taskaction_t action, void *arg)
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{
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return (isc__socket_recvv(sock, buflist, minimum, task, action, arg));
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}
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isc_result_t
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isc_socket_recv2(isc_socket_t *sock, isc_region_t *region,
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unsigned int minimum, isc_task_t *task,
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isc_socketevent_t *event, unsigned int flags)
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{
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return (isc__socket_recv2(sock, region, minimum, task, event, flags));
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}
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isc_result_t
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isc_socket_send(isc_socket_t *sock, isc_region_t *region,
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isc_task_t *task, isc_taskaction_t action, void *arg)
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{
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return (isc__socket_send(sock, region, task, action, arg));
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}
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isc_result_t
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isc_socket_sendv(isc_socket_t *sock, isc_bufferlist_t *buflist,
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isc_task_t *task, isc_taskaction_t action, void *arg)
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{
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return (isc__socket_sendv(sock, buflist, task, action, arg));
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}
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isc_result_t
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isc_socket_sendtov(isc_socket_t *sock, isc_bufferlist_t *buflist,
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isc_task_t *task, isc_taskaction_t action, void *arg,
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isc_sockaddr_t *address, struct in6_pktinfo *pktinfo)
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{
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return (isc__socket_sendtov(sock, buflist, task, action, arg,
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address, pktinfo));
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}
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isc_result_t
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isc_socket_sendtov2(isc_socket_t *sock, isc_bufferlist_t *buflist,
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isc_task_t *task, isc_taskaction_t action, void *arg,
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isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
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unsigned int flags)
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{
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return (isc__socket_sendtov2(sock, buflist, task, action, arg,
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address, pktinfo, flags));
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}
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isc_result_t
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isc_socket_sendto2(isc_socket_t *sock, isc_region_t *region,
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isc_task_t *task,
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isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
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isc_socketevent_t *event, unsigned int flags)
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{
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return (isc__socket_sendto2(sock, region, task, address, pktinfo,
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event, flags));
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}
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void
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isc_socket_cleanunix(isc_sockaddr_t *sockaddr, isc_boolean_t active) {
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isc__socket_cleanunix(sockaddr, active);
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}
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isc_result_t
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isc_socket_permunix(isc_sockaddr_t *sockaddr, isc_uint32_t perm,
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isc_uint32_t owner, isc_uint32_t group)
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{
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return (isc__socket_permunix(sockaddr, perm, owner, group));
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}
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isc_result_t
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isc_socket_filter(isc_socket_t *sock, const char *filter) {
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return (isc__socket_filter(sock, filter));
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}
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isc_result_t
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isc_socket_listen(isc_socket_t *sock, unsigned int backlog) {
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return (isc__socket_listen(sock, backlog));
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}
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isc_result_t
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isc_socket_accept(isc_socket_t *sock, isc_task_t *task,
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isc_taskaction_t action, void *arg)
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{
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return (isc__socket_accept(sock, task, action, arg));
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}
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isc_result_t
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isc_socket_getpeername(isc_socket_t *sock, isc_sockaddr_t *addressp) {
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return (isc__socket_getpeername(sock, addressp));
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}
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