/*-
* Copyright (c) 2005 Andrey Simonenko
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <sys/cdefs.h>
#include <sys/types.h>
#include <sys/limits.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <err.h>
#include <inttypes.h>
#include <paths.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "uc_common.h"
#include "t_cmsgcred.h"
#include "t_bintime.h"
#include "t_generic.h"
#include "t_peercred.h"
#include "t_timeval.h"
#include "t_sockcred.h"
#include "t_cmsgcred_sockcred.h"
#include "t_cmsg_len.h"
#include "t_timespec_real.h"
#include "t_timespec_mono.h"
/*
* There are tables with tests descriptions and pointers to test
* functions. Each t_*() function returns 0 if its test passed,
* -1 if its test failed, -2 if some system error occurred.
* If a test function returns -2, then a program exits.
*
* If a test function forks a client process, then it waits for its
* termination. If a return code of a client process is not equal
* to zero, or if a client process was terminated by a signal, then
* a test function returns -1 or -2 depending on exit status of
* a client process.
*
* Each function which can block, is run under TIMEOUT. If timeout
* occurs, then a test function returns -2 or a client process exits
* with a non-zero return code.
*/
struct test_func {
int (*func)(void);
const char *desc;
};
static const struct test_func test_stream_tbl[] = {
{
.func = NULL,
.desc = "All tests"
},
{
.func = t_cmsgcred,
.desc = "Sending, receiving cmsgcred"
},
{
.func = t_sockcred_1,
.desc = "Receiving sockcred (listening socket)"
},
{
.func = t_sockcred_2,
.desc = "Receiving sockcred (accepted socket)"
},
{
.func = t_cmsgcred_sockcred,
.desc = "Sending cmsgcred, receiving sockcred"
},
{
.func = t_timeval,
.desc = "Sending, receiving timeval"
},
{
.func = t_bintime,
.desc = "Sending, receiving bintime"
},
/*
* The testcase fails on 64-bit architectures (amd64), but passes on 32-bit
* architectures (i386); see bug 206543
*/
#ifndef __LP64__
{
.func = t_cmsg_len,
.desc = "Check cmsghdr.cmsg_len"
},
#endif
{
.func = t_peercred,
.desc = "Check LOCAL_PEERCRED socket option"
},
#if defined(SCM_REALTIME)
{
.func = t_timespec_real,
.desc = "Sending, receiving realtime"
},
#endif
#if defined(SCM_MONOTONIC)
{
.func = t_timespec_mono,
.desc = "Sending, receiving monotonic time (uptime)"
}
#endif
};
#define TEST_STREAM_TBL_SIZE \
(sizeof(test_stream_tbl) / sizeof(test_stream_tbl[0]))
static const struct test_func test_dgram_tbl[] = {
{
.func = NULL,
.desc = "All tests"
},
{
.func = t_cmsgcred,
.desc = "Sending, receiving cmsgcred"
},
{
.func = t_sockcred_2,
.desc = "Receiving sockcred"
},
{
.func = t_cmsgcred_sockcred,
.desc = "Sending cmsgcred, receiving sockcred"
},
{
.func = t_timeval,
.desc = "Sending, receiving timeval"
},
{
.func = t_bintime,
.desc = "Sending, receiving bintime"
},
#ifndef __LP64__
{
.func = t_cmsg_len,
.desc = "Check cmsghdr.cmsg_len"
},
#endif
#if defined(SCM_REALTIME)
{
.func = t_timespec_real,
.desc = "Sending, receiving realtime"
},
#endif
#if defined(SCM_MONOTONIC)
{
.func = t_timespec_mono,
.desc = "Sending, receiving monotonic time (uptime)"
}
#endif
};
#define TEST_DGRAM_TBL_SIZE \
(sizeof(test_dgram_tbl) / sizeof(test_dgram_tbl[0]))
static bool failed_flag = false;
struct uc_cfg uc_cfg;
static char work_dir[] = _PATH_TMP "unix_cmsg.XXXXXXX";
#define IPC_MSG_NUM_DEF 5
#define IPC_MSG_NUM_MAX 10
#define IPC_MSG_SIZE_DEF 7
#define IPC_MSG_SIZE_MAX 128
static void
usage(bool verbose)
{
u_int i;
printf("usage: %s [-dh] [-n num] [-s size] [-t type] "
"[-z value] [testno]\n", getprogname());
if (!verbose)
return;
printf("\n Options are:\n\
-d Output debugging information\n\
-h Output the help message and exit\n\
-n num Number of messages to send\n\
-s size Specify size of data for IPC\n\
-t type Specify socket type (stream, dgram) for tests\n\
-z value Do not send data in a message (bit 0x1), do not send\n\
data array associated with a cmsghdr structure (bit 0x2)\n\
testno Run one test by its number (require the -t option)\n\n");
printf(" Available tests for stream sockets:\n");
for (i = 0; i < TEST_STREAM_TBL_SIZE; ++i)
printf(" %u: %s\n", i, test_stream_tbl[i].desc);
printf("\n Available tests for datagram sockets:\n");
for (i = 0; i < TEST_DGRAM_TBL_SIZE; ++i)
printf(" %u: %s\n", i, test_dgram_tbl[i].desc);
}
static int
run_tests(int type, u_int testno1)
{
const struct test_func *tf;
u_int i, testno2, failed_num;
uc_cfg.sock_type = type;
if (type == SOCK_STREAM) {
uc_cfg.sock_type_str = "SOCK_STREAM";
tf = test_stream_tbl;
i = TEST_STREAM_TBL_SIZE - 1;
} else {
uc_cfg.sock_type_str = "SOCK_DGRAM";
tf = test_dgram_tbl;
i = TEST_DGRAM_TBL_SIZE - 1;
}
if (testno1 == 0) {
testno1 = 1;
testno2 = i;
} else
testno2 = testno1;
uc_output("Running tests for %s sockets:\n", uc_cfg.sock_type_str);
failed_num = 0;
for (i = testno1, tf += testno1; i <= testno2; ++tf, ++i) {
uc_output(" %u: %s\n", i, tf->desc);
switch (tf->func()) {
case -1:
++failed_num;
break;
case -2:
uc_logmsgx("some system error or timeout occurred");
return (-1);
}
}
if (failed_num != 0)
failed_flag = true;
if (testno1 != testno2) {
if (failed_num == 0)
uc_output("-- all tests passed!\n");
else
uc_output("-- %u test%s failed!\n",
failed_num, failed_num == 1 ? "" : "s");
} else {
if (failed_num == 0)
uc_output("-- test passed!\n");
else
uc_output("-- test failed!\n");
}
return (0);
}
static int
init(void)
{
struct sigaction sigact;
size_t idx;
int rv;
uc_cfg.proc_name = "SERVER";
sigact.sa_handler = SIG_IGN;
sigact.sa_flags = 0;
sigemptyset(&sigact.sa_mask);
if (sigaction(SIGPIPE, &sigact, (struct sigaction *)NULL) < 0) {
uc_logmsg("init: sigaction");
return (-1);
}
if (uc_cfg.ipc_msg.buf_size == 0)
uc_cfg.ipc_msg.buf_send = uc_cfg.ipc_msg.buf_recv = NULL;
else {
uc_cfg.ipc_msg.buf_send = malloc(uc_cfg.ipc_msg.buf_size);
uc_cfg.ipc_msg.buf_recv = malloc(uc_cfg.ipc_msg.buf_size);
if (uc_cfg.ipc_msg.buf_send == NULL || uc_cfg.ipc_msg.buf_recv == NULL) {
uc_logmsg("init: malloc");
return (-1);
}
for (idx = 0; idx < uc_cfg.ipc_msg.buf_size; ++idx)
uc_cfg.ipc_msg.buf_send[idx] = (char)idx;
}
uc_cfg.proc_cred.uid = getuid();
uc_cfg.proc_cred.euid = geteuid();
uc_cfg.proc_cred.gid = getgid();
uc_cfg.proc_cred.egid = getegid();
uc_cfg.proc_cred.gid_num = getgroups(0, (gid_t *)NULL);
if (uc_cfg.proc_cred.gid_num < 0) {
uc_logmsg("init: getgroups");
return (-1);
}
uc_cfg.proc_cred.gid_arr = malloc(uc_cfg.proc_cred.gid_num *
sizeof(*uc_cfg.proc_cred.gid_arr));
if (uc_cfg.proc_cred.gid_arr == NULL) {
uc_logmsg("init: malloc");
return (-1);
}
if (getgroups(uc_cfg.proc_cred.gid_num, uc_cfg.proc_cred.gid_arr) < 0) {
uc_logmsg("init: getgroups");
return (-1);
}
memset(&uc_cfg.serv_addr_sun, 0, sizeof(uc_cfg.serv_addr_sun));
rv = snprintf(uc_cfg.serv_addr_sun.sun_path, sizeof(uc_cfg.serv_addr_sun.sun_path),
"%s/%s", work_dir, uc_cfg.proc_name);
if (rv < 0) {
uc_logmsg("init: snprintf");
return (-1);
}
if ((size_t)rv >= sizeof(uc_cfg.serv_addr_sun.sun_path)) {
uc_logmsgx("init: not enough space for socket pathname");
return (-1);
}
uc_cfg.serv_addr_sun.sun_family = PF_LOCAL;
uc_cfg.serv_addr_sun.sun_len = SUN_LEN(&uc_cfg.serv_addr_sun);
return (0);
}
int
main(int argc, char *argv[])
{
const char *errstr;
u_int testno, zvalue;
int opt, rv;
bool dgram_flag, stream_flag;
memset(&uc_cfg, '\0', sizeof(uc_cfg));
uc_cfg.debug = false;
uc_cfg.server_flag = true;
uc_cfg.send_data_flag = true;
uc_cfg.send_array_flag = true;
uc_cfg.ipc_msg.buf_size = IPC_MSG_SIZE_DEF;
uc_cfg.ipc_msg.msg_num = IPC_MSG_NUM_DEF;
dgram_flag = stream_flag = false;
while ((opt = getopt(argc, argv, "dhn:s:t:z:")) != -1)
switch (opt) {
case 'd':
uc_cfg.debug = true;
break;
case 'h':
usage(true);
return (EXIT_SUCCESS);
case 'n':
uc_cfg.ipc_msg.msg_num = strtonum(optarg, 1,
IPC_MSG_NUM_MAX, &errstr);
if (errstr != NULL)
errx(EXIT_FAILURE, "option -n: number is %s",
errstr);
break;
case 's':
uc_cfg.ipc_msg.buf_size = strtonum(optarg, 0,
IPC_MSG_SIZE_MAX, &errstr);
if (errstr != NULL)
errx(EXIT_FAILURE, "option -s: number is %s",
errstr);
break;
case 't':
if (strcmp(optarg, "stream") == 0)
stream_flag = true;
else if (strcmp(optarg, "dgram") == 0)
dgram_flag = true;
else
errx(EXIT_FAILURE, "option -t: "
"wrong socket type");
break;
case 'z':
zvalue = strtonum(optarg, 0, 3, &errstr);
if (errstr != NULL)
errx(EXIT_FAILURE, "option -z: number is %s",
errstr);
if (zvalue & 0x1)
uc_cfg.send_data_flag = false;
if (zvalue & 0x2)
uc_cfg.send_array_flag = false;
break;
default:
usage(false);
return (EXIT_FAILURE);
}
if (optind < argc) {
if (optind + 1 != argc)
errx(EXIT_FAILURE, "too many arguments");
testno = strtonum(argv[optind], 0, UINT_MAX, &errstr);
if (errstr != NULL)
errx(EXIT_FAILURE, "test number is %s", errstr);
if (stream_flag && testno >= TEST_STREAM_TBL_SIZE)
errx(EXIT_FAILURE, "given test %u for stream "
"sockets does not exist", testno);
if (dgram_flag && testno >= TEST_DGRAM_TBL_SIZE)
errx(EXIT_FAILURE, "given test %u for datagram "
"sockets does not exist", testno);
} else
testno = 0;
if (!dgram_flag && !stream_flag) {
if (testno != 0)
errx(EXIT_FAILURE, "particular test number "
"can be used with the -t option only");
dgram_flag = stream_flag = true;
}
if (mkdtemp(work_dir) == NULL)
err(EXIT_FAILURE, "mkdtemp(%s)", work_dir);
rv = EXIT_FAILURE;
if (init() < 0)
goto done;
if (stream_flag)
if (run_tests(SOCK_STREAM, testno) < 0)
goto done;
if (dgram_flag)
if (run_tests(SOCK_DGRAM, testno) < 0)
goto done;
rv = EXIT_SUCCESS;
done:
if (rmdir(work_dir) < 0) {
uc_logmsg("rmdir(%s)", work_dir);
rv = EXIT_FAILURE;
}
return (failed_flag ? EXIT_FAILURE : rv);
}
plain