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reconnect.c (256281) reconnect.c (281974)
1/*-
2 * Copyright (c) 2005 Maxim Sobolev
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

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
24 * SUCH DAMAGE.
25 *
1/*-
2 * Copyright (c) 2005 Maxim Sobolev
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

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
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/tools/regression/sockets/reconnect/reconnect.c 140109 2005-01-12 09:57:18Z sobomax $
26 * $FreeBSD: stable/10/tools/regression/sockets/reconnect/reconnect.c 281974 2015-04-25 05:31:52Z ngie $
27 */
28
29/*
30 * The reconnect regression test is designed to catch kernel bug that may
31 * prevent changing association of already associated datagram unix domain
32 * socket when server side of connection has been closed.
33 */
34

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40#include <errno.h>
41#include <fcntl.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <signal.h>
45#include <string.h>
46#include <unistd.h>
47
27 */
28
29/*
30 * The reconnect regression test is designed to catch kernel bug that may
31 * prevent changing association of already associated datagram unix domain
32 * socket when server side of connection has been closed.
33 */
34

--- 5 unchanged lines hidden (view full) ---

40#include <errno.h>
41#include <fcntl.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <signal.h>
45#include <string.h>
46#include <unistd.h>
47
48static char *uds_name1 = NULL;
49static char *uds_name2 = NULL;
48static char uds_name1[] = "reconnect.XXXXXXXX";
49static char uds_name2[] = "reconnect.XXXXXXXX";
50
51#define sstosa(ss) ((struct sockaddr *)(ss))
52
50
51#define sstosa(ss) ((struct sockaddr *)(ss))
52
53void
53static void
54prepare_ifsun(struct sockaddr_un *ifsun, const char *path)
55{
56
57 memset(ifsun, '\0', sizeof(*ifsun));
58#if !defined(__linux__) && !defined(__solaris__)
59 ifsun->sun_len = strlen(path);
60#endif
61 ifsun->sun_family = AF_LOCAL;
62 strcpy(ifsun->sun_path, path);
63}
64
54prepare_ifsun(struct sockaddr_un *ifsun, const char *path)
55{
56
57 memset(ifsun, '\0', sizeof(*ifsun));
58#if !defined(__linux__) && !defined(__solaris__)
59 ifsun->sun_len = strlen(path);
60#endif
61 ifsun->sun_family = AF_LOCAL;
62 strcpy(ifsun->sun_path, path);
63}
64
65int
65static int
66create_uds_server(const char *path)
67{
68 struct sockaddr_un ifsun;
69 int sock;
70
71 prepare_ifsun(&ifsun, path);
72
73 unlink(ifsun.sun_path);
74
75 sock = socket(PF_LOCAL, SOCK_DGRAM, 0);
76 if (sock == -1)
77 err(1, "can't create socket");
78 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &sock, sizeof(sock));
79 if (bind(sock, sstosa(&ifsun), sizeof(ifsun)) < 0)
80 err(1, "can't bind to a socket");
81
82 return sock;
83}
84
66create_uds_server(const char *path)
67{
68 struct sockaddr_un ifsun;
69 int sock;
70
71 prepare_ifsun(&ifsun, path);
72
73 unlink(ifsun.sun_path);
74
75 sock = socket(PF_LOCAL, SOCK_DGRAM, 0);
76 if (sock == -1)
77 err(1, "can't create socket");
78 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &sock, sizeof(sock));
79 if (bind(sock, sstosa(&ifsun), sizeof(ifsun)) < 0)
80 err(1, "can't bind to a socket");
81
82 return sock;
83}
84
85void
85static void
86connect_uds_server(int sock, const char *path)
87{
88 struct sockaddr_un ifsun;
89 int e;
90
91 prepare_ifsun(&ifsun, path);
92
93 e = connect(sock, sstosa(&ifsun), sizeof(ifsun));
94 if (e < 0)
95 err(1, "can't connect to a socket");
96}
97
86connect_uds_server(int sock, const char *path)
87{
88 struct sockaddr_un ifsun;
89 int e;
90
91 prepare_ifsun(&ifsun, path);
92
93 e = connect(sock, sstosa(&ifsun), sizeof(ifsun));
94 if (e < 0)
95 err(1, "can't connect to a socket");
96}
97
98void
98static void
99cleanup(void)
100{
101
99cleanup(void)
100{
101
102 if (uds_name1 != NULL)
103 unlink(uds_name1);
104 if (uds_name2 != NULL)
105 unlink(uds_name2);
102 unlink(uds_name1);
103 unlink(uds_name2);
106}
107
108int
109main()
110{
111 int s_sock1, s_sock2, c_sock;
112
113 atexit(cleanup);
114
104}
105
106int
107main()
108{
109 int s_sock1, s_sock2, c_sock;
110
111 atexit(cleanup);
112
115 uds_name1 = strdup("/tmp/reconnect.XXXXXX");
116 if (uds_name1 == NULL)
117 err(1, "can't allocate memory");
118 uds_name1 = mktemp(uds_name1);
119 if (uds_name1 == NULL)
120 err(1, "mktemp(3) failed");
113 if (mkstemp(uds_name1) == -1)
114 err(1, "mkstemp");
115 unlink(uds_name1);
121 s_sock1 = create_uds_server(uds_name1);
122
116 s_sock1 = create_uds_server(uds_name1);
117
123 uds_name2 = strdup("/tmp/reconnect.XXXXXX");
124 if (uds_name2 == NULL)
125 err(1, "can't allocate memory");
126 uds_name2 = mktemp(uds_name2);
127 if (uds_name2 == NULL)
128 err(1, "mktemp(3) failed");
118 if (mkstemp(uds_name2) == -1)
119 err(1, "mkstemp");
120 unlink(uds_name2);
129 s_sock2 = create_uds_server(uds_name2);
130
131 c_sock = socket(PF_LOCAL, SOCK_DGRAM, 0);
132 if (c_sock < 0)
133 err(1, "can't create socket");
134
135 connect_uds_server(c_sock, uds_name1);
136 close(s_sock1);
137 connect_uds_server(c_sock, uds_name2);
138
139 exit (0);
140}
121 s_sock2 = create_uds_server(uds_name2);
122
123 c_sock = socket(PF_LOCAL, SOCK_DGRAM, 0);
124 if (c_sock < 0)
125 err(1, "can't create socket");
126
127 connect_uds_server(c_sock, uds_name1);
128 close(s_sock1);
129 connect_uds_server(c_sock, uds_name2);
130
131 exit (0);
132}