1 /*	$OpenBSD: socket2a.c,v 1.5 2015/11/04 21:29:20 tedu Exp $	*/
2 /*
3  * Copyright (c) 1993, 1994, 1995, 1996 by Chris Provenzano and contributors,
4  * proven@mit.edu All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Chris Provenzano,
17  *	the University of California, Berkeley, and contributors.
18  * 4. Neither the name of Chris Provenzano, the University, nor the names of
19  *   contributors may be used to endorse or promote products derived
20  *   from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL CHRIS PROVENZANO, THE REGENTS OR
26  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
31  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 /* ==== test_sock_1.c =========================================================
36  * Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
37  *
38  * Description : Test pthread_create() and pthread_exit() calls.
39  *
40  *  1.00 93/08/03 proven
41  *      -Started coding this file.
42  */
43 
44 #include <pthread.h>
45 #include <errno.h>
46 #include <stdio.h>
47 #include <sys/types.h>
48 #include <sys/socket.h>
49 #include <netinet/in.h>
50 #include <unistd.h>
51 #include <string.h>
52 #include <stdlib.h>
53 #include "test.h"
54 
55 struct sockaddr_in a_sout;
56 
57 #define MESSAGE5 "This should be message #5"
58 #define MESSAGE6 "This should be message #6"
59 
60 static void *
61 sock_connect(void *arg)
62 {
63 	char buf[1024];
64 	int fd;
65 	short port;
66 
67 	port = atoi(arg);
68  	a_sout.sin_family = AF_INET;
69  	a_sout.sin_port = htons(port);
70 	a_sout.sin_addr.s_addr = htonl(INADDR_LOOPBACK); /* loopback */
71 
72 	CHECKe(fd = socket(AF_INET, SOCK_STREAM, 0));
73 
74 	printf("%d: This should be message #2\n", getpid());
75 
76 	CHECKe(connect(fd, (struct sockaddr *) &a_sout, sizeof(a_sout)));
77 	CHECKe(close(fd));
78 
79 	CHECKe(fd = socket(AF_INET, SOCK_STREAM, 0));
80 
81 	printf("%d: This should be message #3\n", getpid());
82 
83 	CHECKe(connect(fd, (struct sockaddr *) &a_sout, sizeof(a_sout)));
84 
85 	/* Ensure sock_read runs again */
86 
87 	CHECKe(read(fd, buf, 1024));
88 	CHECKe(write(fd, MESSAGE6, sizeof(MESSAGE6)));
89 
90 	printf("%d: %s\n", getpid(), buf);
91 
92 	CHECKe(close(fd));
93 	return (NULL);
94 }
95 
96 int
97 main(int argc, char *argv[])
98 {
99 	pthread_t thread;
100 
101 	if (argc == 3 && (!strcmp(argv[1], "fork okay"))) {
102 		sleep(1);
103 		setvbuf(stdout, NULL, _IONBF, 0);
104 		setvbuf(stderr, NULL, _IONBF, 0);
105 
106 		CHECKr(pthread_create(&thread, NULL, sock_connect,
107 		    (void *)argv[2]));
108 		CHECKr(pthread_join(thread, NULL));
109 		SUCCEED;
110 	} else {
111 		fprintf(stderr, "test_sock_2a needs to be exec'ed from "
112 		    "test_sock_2.\n");
113 		fprintf(stderr, "It is not a stand alone test.\n");
114 		PANIC("usage");
115 	}
116 }
117