diff options
Diffstat (limited to 'src/lib/libc/net/rresvport.c')
-rw-r--r-- | src/lib/libc/net/rresvport.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/src/lib/libc/net/rresvport.c b/src/lib/libc/net/rresvport.c deleted file mode 100644 index ccc411500b..0000000000 --- a/src/lib/libc/net/rresvport.c +++ /dev/null | |||
@@ -1,107 +0,0 @@ | |||
1 | /* $OpenBSD: rresvport.c,v 1.9 2005/11/10 10:00:17 espie Exp $ */ | ||
2 | /* | ||
3 | * Copyright (c) 1995, 1996, 1998 Theo de Raadt. All rights reserved. | ||
4 | * Copyright (c) 1983, 1993, 1994 | ||
5 | * The Regents of the University of California. All rights reserved. | ||
6 | * | ||
7 | * Redistribution and use in source and binary forms, with or without | ||
8 | * modification, are permitted provided that the following conditions | ||
9 | * are met: | ||
10 | * 1. Redistributions of source code must retain the above copyright | ||
11 | * notice, this list of conditions and the following disclaimer. | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in the | ||
14 | * documentation and/or other materials provided with the distribution. | ||
15 | * 3. Neither the name of the University nor the names of its contributors | ||
16 | * may be used to endorse or promote products derived from this software | ||
17 | * without specific prior written permission. | ||
18 | * | ||
19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
29 | * SUCH DAMAGE. | ||
30 | */ | ||
31 | |||
32 | #include <sys/param.h> | ||
33 | #include <sys/socket.h> | ||
34 | #include <sys/stat.h> | ||
35 | |||
36 | #include <netinet/in.h> | ||
37 | #include <arpa/inet.h> | ||
38 | |||
39 | #include <signal.h> | ||
40 | #include <fcntl.h> | ||
41 | #include <netdb.h> | ||
42 | #include <unistd.h> | ||
43 | #include <pwd.h> | ||
44 | #include <errno.h> | ||
45 | #include <stdio.h> | ||
46 | #include <ctype.h> | ||
47 | #include <string.h> | ||
48 | #include <syslog.h> | ||
49 | #include <stdlib.h> | ||
50 | #include <netgroup.h> | ||
51 | |||
52 | int | ||
53 | rresvport(int *alport) | ||
54 | { | ||
55 | return rresvport_af(alport, AF_INET); | ||
56 | } | ||
57 | |||
58 | |||
59 | int | ||
60 | rresvport_af(int *alport, int af) | ||
61 | { | ||
62 | struct sockaddr_storage ss; | ||
63 | struct sockaddr *sa; | ||
64 | u_int16_t *portp; | ||
65 | int s; | ||
66 | |||
67 | bzero(&ss, sizeof ss); | ||
68 | sa = (struct sockaddr *)&ss; | ||
69 | |||
70 | switch (af) { | ||
71 | case AF_INET: | ||
72 | sa->sa_len = sizeof(struct sockaddr_in); | ||
73 | portp = &((struct sockaddr_in *)sa)->sin_port; | ||
74 | break; | ||
75 | case AF_INET6: | ||
76 | sa->sa_len = sizeof(struct sockaddr_in6); | ||
77 | portp = &((struct sockaddr_in6 *)sa)->sin6_port; | ||
78 | break; | ||
79 | default: | ||
80 | errno = EPFNOSUPPORT; | ||
81 | return (-1); | ||
82 | } | ||
83 | sa->sa_family = af; | ||
84 | |||
85 | s = socket(af, SOCK_STREAM, 0); | ||
86 | if (s < 0) | ||
87 | return (-1); | ||
88 | |||
89 | *portp = htons(*alport); | ||
90 | if (*alport < IPPORT_RESERVED - 1) { | ||
91 | if (bind(s, sa, sa->sa_len) >= 0) | ||
92 | return (s); | ||
93 | if (errno != EADDRINUSE) { | ||
94 | (void)close(s); | ||
95 | return (-1); | ||
96 | } | ||
97 | } | ||
98 | |||
99 | *portp = 0; | ||
100 | sa->sa_family = af; | ||
101 | if (bindresvport_sa(s, sa) == -1) { | ||
102 | (void)close(s); | ||
103 | return (-1); | ||
104 | } | ||
105 | *alport = ntohs(*portp); | ||
106 | return (s); | ||
107 | } | ||