From 6dc4f1912caf7f01f4b977ff8aaa50be61db2aba Mon Sep 17 00:00:00 2001 From: Othmar Gsenger Date: Thu, 27 Dec 2007 11:13:13 +0000 Subject: adden new isakmpd --- keyexchange/isakmpd-20041012/monitor_fdpass.c | 112 ++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 keyexchange/isakmpd-20041012/monitor_fdpass.c (limited to 'keyexchange/isakmpd-20041012/monitor_fdpass.c') diff --git a/keyexchange/isakmpd-20041012/monitor_fdpass.c b/keyexchange/isakmpd-20041012/monitor_fdpass.c new file mode 100644 index 0000000..0159653 --- /dev/null +++ b/keyexchange/isakmpd-20041012/monitor_fdpass.c @@ -0,0 +1,112 @@ +/* $OpenBSD: monitor_fdpass.c,v 1.11 2004/10/01 04:08:45 jsg Exp $ */ + +/* + * Copyright 2001 Niels Provos + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include + +#include +#include + +#include "log.h" +#include "monitor.h" + +int +mm_send_fd(int socket, int fd) +{ + struct msghdr msg; + char tmp[CMSG_SPACE(sizeof(int))], ch = '\0'; + struct cmsghdr *cmsg; + struct iovec vec; + ssize_t n; + + memset(&msg, 0, sizeof msg); + msg.msg_control = (caddr_t) tmp; + msg.msg_controllen = CMSG_LEN(sizeof(int)); + cmsg = CMSG_FIRSTHDR(&msg); + cmsg->cmsg_len = CMSG_LEN(sizeof(int)); + cmsg->cmsg_level = SOL_SOCKET; + cmsg->cmsg_type = SCM_RIGHTS; + *(int *)CMSG_DATA(cmsg) = fd; + + vec.iov_base = &ch; + vec.iov_len = 1; + msg.msg_iov = &vec; + msg.msg_iovlen = 1; + + if ((n = sendmsg(socket, &msg, 0)) == -1) { + log_error("mm_send_fd: sendmsg(%d)", fd); + return -1; + } + if (n != 1) { + log_error("mm_send_fd: sendmsg: expected sent 1 got %ld", + (long)n); + return -1; + } + return 0; +} + +int +mm_receive_fd(int socket) +{ + struct msghdr msg; + char tmp[CMSG_SPACE(sizeof(int))], ch; + struct cmsghdr *cmsg; + struct iovec vec; + ssize_t n; + int fd; + + memset(&msg, 0, sizeof msg); + vec.iov_base = &ch; + vec.iov_len = 1; + msg.msg_iov = &vec; + msg.msg_iovlen = 1; + msg.msg_control = tmp; + msg.msg_controllen = sizeof tmp; + + if ((n = recvmsg(socket, &msg, 0)) == -1) { + log_error("mm_receive_fd: recvmsg"); + return -1; + } + if (n != 1) { + log_error("mm_receive_fd: recvmsg: expected received 1 got %ld", + (long)n); + return -1; + } + cmsg = CMSG_FIRSTHDR(&msg); + if (cmsg == NULL) { + log_error("mm_receive_fd: no message header"); + return -1; + } + if (cmsg->cmsg_type != SCM_RIGHTS) { + log_error("mm_receive_fd: expected type %d got %d", SCM_RIGHTS, + cmsg->cmsg_type); + return -1; + } + fd = (*(int *)CMSG_DATA(cmsg)); + return fd; +} -- cgit v1.2.3