2 * Copyright (c) 2005 Andrey Simonenko
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
31 #include <sys/socket.h>
38 #include "uc_common.h"
39 #include "t_generic.h"
40 #include "t_sockcred.h"
43 t_sockcred_client(int type, int fd)
49 if (uc_sync_recv() < 0)
54 uc_msghdr_init_client(&msghdr, iov, NULL, 0, 0, 0);
56 if (uc_socket_connect(fd) < 0)
60 if (uc_sync_recv() < 0)
63 if (uc_message_sendn(fd, &msghdr) < 0)
72 t_sockcred_server(int type, int fd1)
76 struct cmsghdr *cmsghdr;
85 cmsg_size = CMSG_SPACE(SOCKCREDSIZE(uc_cfg.proc_cred.gid_num));
86 cmsg_data = malloc(cmsg_size);
87 if (cmsg_data == NULL) {
93 uc_dbgmsg("setting LOCAL_CREDS");
95 if (setsockopt(fd1, 0, LOCAL_CREDS, &val, sizeof(val)) < 0) {
96 uc_logmsg("setsockopt(LOCAL_CREDS)");
101 if (uc_sync_send() < 0)
104 if (uc_cfg.sock_type == SOCK_STREAM) {
105 fd2 = uc_socket_accept(fd1);
112 uc_dbgmsg("setting LOCAL_CREDS");
114 if (setsockopt(fd2, 0, LOCAL_CREDS, &val, sizeof(val)) < 0) {
115 uc_logmsg("setsockopt(LOCAL_CREDS)");
118 if (uc_sync_send() < 0)
123 for (i = 1; i <= uc_cfg.ipc_msg.msg_num; ++i) {
124 uc_dbgmsg("message #%u", i);
126 uc_msghdr_init_server(&msghdr, iov, cmsg_data, cmsg_size);
127 if (uc_message_recv(fd2, &msghdr) < 0) {
132 if (i > 1 && uc_cfg.sock_type == SOCK_STREAM) {
133 if (uc_check_msghdr(&msghdr, 0) < 0)
136 if (uc_check_msghdr(&msghdr, sizeof(*cmsghdr)) < 0)
139 cmsghdr = CMSG_FIRSTHDR(&msghdr);
140 if (uc_check_scm_creds_sockcred(cmsghdr) < 0)
144 if (i > uc_cfg.ipc_msg.msg_num)
148 if (uc_cfg.sock_type == SOCK_STREAM && fd2 >= 0)
149 if (uc_socket_close(fd2) < 0)
158 int fd, rv, rv_client;
160 switch (uc_client_fork()) {
162 for (i = 1; i <= 2; ++i) {
163 uc_dbgmsg("client #%u", i);
164 fd = uc_socket_create();
168 rv = t_sockcred_client(1, fd);
169 if (uc_socket_close(fd) < 0)
178 fd = uc_socket_create();
182 rv = t_sockcred_server(1, fd);
184 rv = t_sockcred_server(3, fd);
185 rv_client = uc_client_wait();
186 if (rv == 0 || (rv == -2 && rv_client != 0))
188 if (uc_socket_close(fd) < 0)
200 t_sockcred_2_client(int fd)
202 return (t_sockcred_client(2, fd));
206 t_sockcred_2_server(int fd)
208 return (t_sockcred_server(2, fd));
214 return (t_generic(t_sockcred_2_client, t_sockcred_2_server));