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Diffstat (limited to 'src/lib/libc/net/rresvport.c')
-rw-r--r--src/lib/libc/net/rresvport.c107
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
52int
53rresvport(int *alport)
54{
55 return rresvport_af(alport, AF_INET);
56}
57
58
59int
60rresvport_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}