File: test_1_to_1_sendmsg.c

package info (click to toggle)
lksctp-tools 1.0.19%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, sid
  • size: 1,272 kB
  • sloc: ansic: 13,566; makefile: 270; sh: 26
file content (377 lines) | stat: -rw-r--r-- 12,853 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
/* SCTP kernel Implementation
 * Copyright (c) 2003 Hewlett-Packard Development Company, L.P
 * (C) Copyright IBM Corp. 2004
 *
 * This file has test cases to test the sendmsg() call for 1-1 style sockets
 *
 * TEST1: Bad socket descriptor
 * TEST2: Invalid socket
 * TEST3: On a listening socket
 * TEST4: Invalid iovec pointer
 * TEST5: Invalid iovec length
 * TEST6: Invalid msghdr pointer
 * TEST7: Invalid sinfo flags
 * TEST8: SCTP_EOF flag set
 * TEST9: SCTP_ABORT flag set
 * TEST10: On a closed association
 *
 * TEST11: Sending data from server socket to client socket
 * TEST12: Sending data from client socket to server socket
 * TEST13: Sending data from unconnected client to server 
 * TEST14: Sending a message on SHUT_RD socket
 *
 * The SCTP implementation is free software;
 * you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * The SCTP implementation is distributed in the hope that it
 * will be useful, but WITHOUT ANY WARRANTY; without even the implied
 *                 ************************
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU CC; see the file COPYING.  If not, write to
 * the Free Software Foundation, 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Please send any bug reports or fixes you make to the
 * email address(es):
 *    lksctp developers <lksctp-developers@lists.sourceforge.net>
 *
 * Or submit a bug report through the following website:
 *    http://www.sf.net/projects/lksctp
 *
 * Any bugs reported given to us we will try to fix... any fixes shared will
 * be incorporated into the next SCTP release
 *
 */

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>         /* for sockaddr_in */
#include <arpa/inet.h>
#include <errno.h>
#include <netinet/sctp.h>
#include <sys/uio.h>
#include <linux/socket.h>
#include <sctputil.h>

char *TCID = __FILE__;
int TST_TOTAL = 14;
int TST_CNT = 0;

int
main(int argc, char *argv[])
{
        socklen_t len;
	int msg_count;
	int sk,sk1,pf_class,lstn_sk,acpt_sk,acpt1_sk, flag;
	struct msghdr outmessage;
        char *message = "hello, world!\n";
	struct sctp_sndrcvinfo *sinfo;
        int count;
	char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
	struct cmsghdr *cmsg;
        struct iovec out_iov;
	struct msghdr inmessage;
	char * buffer_rcv;
        struct sockaddr_in conn_addr,lstn_addr,svr_addr;
        struct iovec iov_rcv;
	char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
	int fd, err_no = 0;
	char filename[21];

	/* Rather than fflush() throughout the code, set stdout to
         * be unbuffered.
         */
        setvbuf(stdout, NULL, _IONBF, 0);
        setvbuf(stderr, NULL, _IONBF, 0);

        pf_class = PF_INET;

        sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

        sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

        lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	conn_addr.sin_family = AF_INET;
        conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
        conn_addr.sin_port = htons(SCTP_TESTPORT_1);

	lstn_addr.sin_family = AF_INET;
        lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
        lstn_addr.sin_port = htons(SCTP_TESTPORT_1);

	/*Binding the listen socket*/
        test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));

        /*Listening the socket*/
        test_listen(lstn_sk, 10);

	len = sizeof(struct sockaddr_in);
	
	test_connect(sk, (struct sockaddr *) &conn_addr, len);

	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

	memset(&outmessage, 0, sizeof(outmessage));
        outmessage.msg_name = &conn_addr;
        outmessage.msg_namelen = sizeof(conn_addr);
        outmessage.msg_iov = &out_iov;
        outmessage.msg_iovlen = 1;
        outmessage.msg_control = outcmsg;
        outmessage.msg_controllen = sizeof(outcmsg);
        outmessage.msg_flags = 0;

	cmsg = CMSG_FIRSTHDR(&outmessage);
        cmsg->cmsg_level = IPPROTO_SCTP;
        cmsg->cmsg_type = SCTP_SNDRCV;
        cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
        outmessage.msg_controllen = cmsg->cmsg_len;
	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
        memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));

        outmessage.msg_iov->iov_base = message;
        outmessage.msg_iov->iov_len = strlen(message) + 1;

	flag = MSG_NOSIGNAL;
	/*sendmsg () TEST1: Bad socket descriptor, EBADF Expected error*/
	count = sendmsg(-1, &outmessage, flag);
	if (count != -1 || errno != EBADF)
		tst_brkm(TBROK, tst_exit, "sendmsg with a bad socket "
			 "descriptor count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with a bad socket descriptor - EBADF");
	
	/*sendmsg () TEST2: Invalid socket, ENOTSOCK Expected error*/
	strcpy(filename, "/tmp/sctptest.XXXXXX");
	fd = mkstemp(filename);
	if (fd == -1)
		tst_brkm(TBROK, tst_exit, "Failed to mkstemp %s: %s",
				filename, strerror(errno));
	count = sendmsg(fd, &outmessage, flag);
	if (count == -1)
		err_no = errno;
	close(fd);
	unlink(filename);
	if (count != -1 || err_no != ENOTSOCK)
		tst_brkm(TBROK, tst_exit, "sendmsg with invalid socket "
			 "count:%d, errno:%d", count, err_no);

	tst_resm(TPASS, "sendmsg() with invalid socket - ENOTSOCK");

	/*sendmsg () TEST3: sendmsg on listening socket, EPIPE Expected error*/
	count = sendmsg(lstn_sk, &outmessage, flag);
	if (count != -1 || errno != EPIPE)
		tst_brkm(TBROK, tst_exit, "sendmsg on a listening socket "
			 "count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() on a listening socket - EPIPE");

	/*sendmsg () TEST4: Invalid iovec pointer EFAULT, Expected error*/
	outmessage.msg_iov = (struct iovec *)-1;
	count = sendmsg(sk, &outmessage, flag);
	if (count != -1 || errno != EFAULT)
		tst_brkm(TBROK, tst_exit, "sendmsg with invalid iovec "
			 "pointer count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with invalid iovec ptr - EFAULT");
	
	outmessage.msg_iov = &out_iov;

	/*sendmsg () TEST5: Invalid iovec count EINVAL, Expected error*/
        outmessage.msg_iovlen = 0;
	count = sendmsg(sk, &outmessage, flag);
	if (count != -1 || errno != EINVAL)
		tst_brkm(TBROK, tst_exit, "sendmsg with invalid iovec "
			 "length count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with invalid iovec length - EINVAL");

	outmessage.msg_iovlen = 1;
	
	/*sendmsg () TEST6: Invalid msghdr pointer EFAULT, Expected error*/
	count = sendmsg(sk, (struct msghdr *)-1, flag);
	if (count != -1 || errno != EFAULT)
		tst_brkm(TBROK, tst_exit, "sendmsg with invalid msghdr "
			 "pointer count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with invalid msghdr ptr - EFAULT");

	/*sendmsg () TEST7: Invalid sinfo flag EINVAL, Expected error*/
	sinfo->sinfo_flags = 999;
	count = sendmsg(sk, &outmessage, -1);
	if (count != -1 || errno != EINVAL)
		tst_brkm(TBROK, tst_exit, "sendmsg with invalid sinfo "
			 "flags count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with invalid sinfo flags - EINVAL");

	/*sendmsg () TEST8: SCTP_EOF flag EINVAL, Expected error*/
	sinfo->sinfo_flags = SCTP_EOF;
	count = sendmsg(sk, &outmessage, flag);
	if (count != -1 || errno != EINVAL)
		tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_EOF flag "
			 "count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with SCTP_EOF flag - EINVAL");

	/*sendmsg () TEST9: SCTP_ABORT flag EINVAL, Expected error*/
	sinfo->sinfo_flags = SCTP_ABORT;
	count = sendmsg(sk, &outmessage, flag);
	if (count != -1 || errno != EINVAL)
		tst_brkm(TBROK, tst_exit, "sendmsg with SCTP_ABORT flag "
			 "count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() with SCTP_ABORT flag - EINVAL");

	sinfo->sinfo_flags = 0; 
	
	test_connect(sk1, (struct sockaddr *) &lstn_addr, len);
		 
	test_sendmsg(sk1, &outmessage, flag, strlen(message)+1);

	close(sk1);
	acpt1_sk = test_accept(lstn_sk, (struct sockaddr *)&conn_addr, &len);

	/*sendmsg () TEST10:sendmsg on closed association, EPIPE Expected error*/
	count = sendmsg(acpt1_sk, &outmessage, flag);
	if (count != -1 || errno != EPIPE)
		tst_brkm(TBROK, tst_exit, "sendmsg on a closed association "
			 "count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() on a closed association - EPIPE");

	close(acpt1_sk);
	close(sk);
	close(lstn_sk);
	close(acpt_sk);

        sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

        lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	conn_addr.sin_family = AF_INET;
        conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
        conn_addr.sin_port = htons(SCTP_TESTPORT_1);

	lstn_addr.sin_family = AF_INET;
        lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
        lstn_addr.sin_port = htons(SCTP_TESTPORT_1);

	/*Binding the listen socket*/
        test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));

        /*Listening the socket*/
        test_listen(lstn_sk, 10);

	len = sizeof(struct sockaddr_in);
	flag = MSG_NOSIGNAL;
	
	test_connect(sk, (struct sockaddr *) &conn_addr, len);

	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

	memset(&outmessage, 0, sizeof(outmessage));
        outmessage.msg_name = &svr_addr;
        outmessage.msg_namelen = sizeof(svr_addr);
        outmessage.msg_iov = &out_iov;
        outmessage.msg_iovlen = 1;
        outmessage.msg_control = outcmsg;
        outmessage.msg_controllen = sizeof(outcmsg);
        outmessage.msg_flags = 0;

	cmsg = CMSG_FIRSTHDR(&outmessage);
        cmsg->cmsg_level = IPPROTO_SCTP;
        cmsg->cmsg_type = SCTP_SNDRCV;
        cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
        outmessage.msg_controllen = cmsg->cmsg_len;
	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
        memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));

        outmessage.msg_iov->iov_base = message;
        outmessage.msg_iov->iov_len = strlen(message) + 1;

	memset(&inmessage, 0, sizeof(inmessage));
        buffer_rcv = malloc(REALLY_BIG);

        iov_rcv.iov_base = buffer_rcv;
        iov_rcv.iov_len = REALLY_BIG;
        inmessage.msg_iov = &iov_rcv;
        inmessage.msg_iovlen = 1;
        inmessage.msg_control = incmsg;
        inmessage.msg_controllen = sizeof(incmsg);

	msg_count = strlen(message) + 1;

	/*sendmsg() TEST11: Sending data from server socket to client socket*/
	count = sendmsg(acpt_sk, &outmessage, flag);
	if (count != msg_count)
		tst_brkm(TBROK, tst_exit, "sendmsg from accept socket to "
			 "client count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() from accept socket to client - SUCCESS");

	count = test_recvmsg(sk, &inmessage, flag);
        test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

        outmessage.msg_name = &conn_addr;
        outmessage.msg_namelen = sizeof(conn_addr);
	/*sendmsg() TEST12: Sending data from client socket to server socket*/
	count = sendmsg(sk, &outmessage, flag);
	if (count != msg_count)
		tst_brkm(TBROK, tst_exit, "sendmsg from client to server "
                         "count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() from client to server - SUCCESS");

	count = test_recvmsg(acpt_sk, &inmessage, flag);
        test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

        outmessage.msg_name = &conn_addr;
        outmessage.msg_namelen = sizeof(conn_addr);
	close(sk);
	close(acpt_sk);
	sk1 = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);

	/*sendmsg() TEST13: Sending data from unconnected client socket to 
	server socket*/
	count = sendmsg(sk1, &outmessage, flag);
	if (count != msg_count)
		tst_brkm(TBROK, tst_exit, "sendmsg from unconnected client to "
			 "server count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() from unconnected clt to server - SUCCESS");

	acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);

	count = test_recvmsg(acpt_sk, &inmessage, flag);
        test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

	test_shutdown(sk1, SHUT_RD);

	/*sendmsg() TEST14: Sending a message on SHUT_RD socket*/
	count = sendmsg(sk1, &outmessage, flag);
	if (count != msg_count)
		tst_brkm(TBROK, tst_exit, "sendmsg on a SHUT_RD socket "
                         "count:%d, errno:%d", count, errno);

	tst_resm(TPASS, "sendmsg() on a SHUT_RD socket - SUCCESS");

	count = test_recvmsg(acpt_sk, &inmessage, flag);
        test_check_msg_data(&inmessage, count, msg_count, MSG_EOR, 0, 0);

	close(sk1);
	close(lstn_sk);
	close(acpt_sk);
	return 0;
}