From ea648e70a989cca190cd7403fe892fd2dcc290b4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 20:37:14 +0200 Subject: Adding upstream version 1:9.11.5.P4+dfsg. Signed-off-by: Daniel Baumann --- lib/isc/socket_api.c | 400 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 400 insertions(+) create mode 100644 lib/isc/socket_api.c (limited to 'lib/isc/socket_api.c') diff --git a/lib/isc/socket_api.c b/lib/isc/socket_api.c new file mode 100644 index 0000000..5de98a9 --- /dev/null +++ b/lib/isc/socket_api.c @@ -0,0 +1,400 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + + +#include + +#include +#include + +#include +#include +#include +#include +#include +#include + +static isc_mutex_t createlock; +static isc_once_t once = ISC_ONCE_INIT; +static isc_socketmgrcreatefunc_t socketmgr_createfunc = NULL; + +static void +initialize(void) { + RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS); +} + +isc_result_t +isc_socket_register(isc_socketmgrcreatefunc_t createfunc) { + isc_result_t result = ISC_R_SUCCESS; + + RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS); + + LOCK(&createlock); + if (socketmgr_createfunc == NULL) + socketmgr_createfunc = createfunc; + else + result = ISC_R_EXISTS; + UNLOCK(&createlock); + + return (result); +} + +isc_result_t +isc_socketmgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx, + isc_socketmgr_t **managerp) +{ + isc_result_t result; + + LOCK(&createlock); + + REQUIRE(socketmgr_createfunc != NULL); + result = (*socketmgr_createfunc)(mctx, managerp); + + UNLOCK(&createlock); + + if (result == ISC_R_SUCCESS) + isc_appctx_setsocketmgr(actx, *managerp); + + return (result); +} + +isc_result_t +isc_socketmgr_create(isc_mem_t *mctx, isc_socketmgr_t **managerp) { + isc_result_t result; + + if (isc_bind9) + return (isc__socketmgr_create(mctx, managerp)); + + LOCK(&createlock); + + REQUIRE(socketmgr_createfunc != NULL); + result = (*socketmgr_createfunc)(mctx, managerp); + + UNLOCK(&createlock); + + return (result); +} + +void +isc_socketmgr_destroy(isc_socketmgr_t **managerp) { + REQUIRE(managerp != NULL && ISCAPI_SOCKETMGR_VALID(*managerp)); + + if (isc_bind9) + isc__socketmgr_destroy(managerp); + else + (*managerp)->methods->destroy(managerp); + + ENSURE(*managerp == NULL); +} + +isc_result_t +isc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type, + isc_socket_t **socketp) +{ + REQUIRE(ISCAPI_SOCKETMGR_VALID(manager)); + + if (isc_bind9) + return (isc__socket_create(manager, pf, type, socketp)); + + return (manager->methods->socketcreate(manager, pf, type, socketp)); +} + +void +isc_socket_attach(isc_socket_t *sock, isc_socket_t **socketp) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + REQUIRE(socketp != NULL && *socketp == NULL); + + if (isc_bind9) + isc__socket_attach(sock, socketp); + else + sock->methods->attach(sock, socketp); + + ENSURE(*socketp == sock); +} + +void +isc_socket_detach(isc_socket_t **socketp) { + REQUIRE(socketp != NULL && ISCAPI_SOCKET_VALID(*socketp)); + + if (isc_bind9) + isc__socket_detach(socketp); + else + (*socketp)->methods->detach(socketp); + + ENSURE(*socketp == NULL); +} + +isc_result_t +isc_socket_bind(isc_socket_t *sock, isc_sockaddr_t *sockaddr, + unsigned int options) +{ + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + return (isc__socket_bind(sock, sockaddr, options)); + + return (sock->methods->bind(sock, sockaddr, options)); +} + +isc_result_t +isc_socket_sendto(isc_socket_t *sock, isc_region_t *region, isc_task_t *task, + isc_taskaction_t action, void *arg, + isc_sockaddr_t *address, struct in6_pktinfo *pktinfo) +{ + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + return (isc__socket_sendto(sock, region, task, + action, arg, address, pktinfo)); + + return (sock->methods->sendto(sock, region, task, action, arg, address, + pktinfo)); +} + +isc_result_t +isc_socket_connect(isc_socket_t *sock, isc_sockaddr_t *addr, isc_task_t *task, + isc_taskaction_t action, void *arg) +{ + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + return (isc__socket_connect(sock, addr, task, action, arg)); + + return (sock->methods->connect(sock, addr, task, action, arg)); +} + +isc_result_t +isc_socket_recv(isc_socket_t *sock, isc_region_t *region, unsigned int minimum, + isc_task_t *task, isc_taskaction_t action, void *arg) +{ + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + return (isc__socket_recv(sock, region, minimum, + task, action, arg)); + + return (sock->methods->recv(sock, region, minimum, task, action, arg)); +} + +void +isc_socket_cancel(isc_socket_t *sock, isc_task_t *task, unsigned int how) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + isc__socket_cancel(sock, task, how); + else + sock->methods->cancel(sock, task, how); +} + +isc_result_t +isc_socket_getsockname(isc_socket_t *sock, isc_sockaddr_t *addressp) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + return (isc__socket_getsockname(sock, addressp)); + + return (sock->methods->getsockname(sock, addressp)); +} + +void +isc_socket_ipv6only(isc_socket_t *sock, bool yes) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + isc__socket_ipv6only(sock, yes); + else + sock->methods->ipv6only(sock, yes); +} + +void +isc_socket_dscp(isc_socket_t *sock, isc_dscp_t dscp) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + sock->methods->dscp(sock, dscp); +} + +isc_sockettype_t +isc_socket_gettype(isc_socket_t *sock) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + return (isc__socket_gettype(sock)); + + return (sock->methods->gettype(sock)); +} + +void +isc_socket_setname(isc_socket_t *sock, const char *name, void *tag) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + UNUSED(sock); /* in case REQUIRE() is empty */ + UNUSED(name); + UNUSED(tag); +} + +isc_result_t +isc_socket_fdwatchcreate(isc_socketmgr_t *manager, int fd, int flags, + isc_sockfdwatch_t callback, void *cbarg, + isc_task_t *task, isc_socket_t **socketp) +{ + REQUIRE(ISCAPI_SOCKETMGR_VALID(manager)); + + if (isc_bind9) + return (isc__socket_fdwatchcreate(manager, fd, flags, + callback, cbarg, + task, socketp)); + + return (manager->methods->fdwatchcreate(manager, fd, flags, + callback, cbarg, task, + socketp)); +} + +isc_result_t +isc_socket_fdwatchpoke(isc_socket_t *sock, int flags) +{ + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + return (isc__socket_fdwatchpoke(sock, flags)); + + return (sock->methods->fdwatchpoke(sock, flags)); +} + +isc_result_t +isc_socket_dup(isc_socket_t *sock, isc_socket_t **socketp) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + REQUIRE(socketp != NULL && *socketp == NULL); + + if (isc_bind9) + return (isc__socket_dup(sock, socketp)); + + return (sock->methods->dup(sock, socketp)); +} + +int +isc_socket_getfd(isc_socket_t *sock) { + REQUIRE(ISCAPI_SOCKET_VALID(sock)); + + if (isc_bind9) + return (isc__socket_getfd(sock)); + + return (sock->methods->getfd(sock)); +} + +isc_result_t +isc_socket_open(isc_socket_t *sock) { + return (isc__socket_open(sock)); +} + +isc_result_t +isc_socket_close(isc_socket_t *sock) { + return (isc__socket_close(sock)); +} + +isc_result_t +isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp, + unsigned int maxsocks) +{ + return (isc__socketmgr_create2(mctx, managerp, maxsocks)); +} + +isc_result_t +isc_socket_recvv(isc_socket_t *sock, isc_bufferlist_t *buflist, + unsigned int minimum, isc_task_t *task, + isc_taskaction_t action, void *arg) +{ + return (isc__socket_recvv(sock, buflist, minimum, task, action, arg)); +} + +isc_result_t +isc_socket_recv2(isc_socket_t *sock, isc_region_t *region, + unsigned int minimum, isc_task_t *task, + isc_socketevent_t *event, unsigned int flags) +{ + return (isc__socket_recv2(sock, region, minimum, task, event, flags)); +} + +isc_result_t +isc_socket_send(isc_socket_t *sock, isc_region_t *region, + isc_task_t *task, isc_taskaction_t action, void *arg) +{ + return (isc__socket_send(sock, region, task, action, arg)); +} + +isc_result_t +isc_socket_sendv(isc_socket_t *sock, isc_bufferlist_t *buflist, + isc_task_t *task, isc_taskaction_t action, void *arg) +{ + return (isc__socket_sendv(sock, buflist, task, action, arg)); +} + +isc_result_t +isc_socket_sendtov(isc_socket_t *sock, isc_bufferlist_t *buflist, + isc_task_t *task, isc_taskaction_t action, void *arg, + isc_sockaddr_t *address, struct in6_pktinfo *pktinfo) +{ + return (isc__socket_sendtov(sock, buflist, task, action, arg, + address, pktinfo)); +} + +isc_result_t +isc_socket_sendtov2(isc_socket_t *sock, isc_bufferlist_t *buflist, + isc_task_t *task, isc_taskaction_t action, void *arg, + isc_sockaddr_t *address, struct in6_pktinfo *pktinfo, + unsigned int flags) +{ + return (isc__socket_sendtov2(sock, buflist, task, action, arg, + address, pktinfo, flags)); +} + +isc_result_t +isc_socket_sendto2(isc_socket_t *sock, isc_region_t *region, + isc_task_t *task, + isc_sockaddr_t *address, struct in6_pktinfo *pktinfo, + isc_socketevent_t *event, unsigned int flags) +{ + return (isc__socket_sendto2(sock, region, task, address, pktinfo, + event, flags)); +} + +void +isc_socket_cleanunix(isc_sockaddr_t *sockaddr, bool active) { + isc__socket_cleanunix(sockaddr, active); +} + +isc_result_t +isc_socket_permunix(isc_sockaddr_t *sockaddr, uint32_t perm, + uint32_t owner, uint32_t group) +{ + return (isc__socket_permunix(sockaddr, perm, owner, group)); +} + +isc_result_t +isc_socket_filter(isc_socket_t *sock, const char *filter) { + return (isc__socket_filter(sock, filter)); +} + +isc_result_t +isc_socket_listen(isc_socket_t *sock, unsigned int backlog) { + return (isc__socket_listen(sock, backlog)); +} + +isc_result_t +isc_socket_accept(isc_socket_t *sock, isc_task_t *task, + isc_taskaction_t action, void *arg) +{ + return (isc__socket_accept(sock, task, action, arg)); +} + +isc_result_t +isc_socket_getpeername(isc_socket_t *sock, isc_sockaddr_t *addressp) { + return (isc__socket_getpeername(sock, addressp)); +} -- cgit v1.2.3