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fix_options.c (44744) fix_options.c (56977)
1 /*
2 * Routine to disable IP-level socket options. This code was taken from 4.4BSD
3 * rlogind and kernel source, but all mistakes in it are my fault.
4 *
5 * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
1 /*
2 * Routine to disable IP-level socket options. This code was taken from 4.4BSD
3 * rlogind and kernel source, but all mistakes in it are my fault.
4 *
5 * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
6 *
7 * $FreeBSD: head/contrib/tcp_wrappers/fix_options.c 56977 2000-02-03 10:27:03Z shin $
6 */
7
8#ifndef lint
9static char sccsid[] = "@(#) fix_options.c 1.6 97/04/08 02:29:19";
10#endif
11
12#include <sys/types.h>
13#include <sys/param.h>
8 */
9
10#ifndef lint
11static char sccsid[] = "@(#) fix_options.c 1.6 97/04/08 02:29:19";
12#endif
13
14#include <sys/types.h>
15#include <sys/param.h>
16#ifdef INET6
17#include <sys/socket.h>
18#endif
14#include <netinet/in.h>
15#include <netinet/in_systm.h>
16#include <netinet/ip.h>
17#include <netdb.h>
18#include <stdio.h>
19#include <syslog.h>
20
21#ifndef IPOPT_OPTVAL

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

36 unsigned char optbuf[BUFFER_SIZE / 3], *cp;
37 char lbuf[BUFFER_SIZE], *lp;
38 int optsize = sizeof(optbuf), ipproto;
39 struct protoent *ip;
40 int fd = request->fd;
41 unsigned int opt;
42 int optlen;
43 struct in_addr dummy;
19#include <netinet/in.h>
20#include <netinet/in_systm.h>
21#include <netinet/ip.h>
22#include <netdb.h>
23#include <stdio.h>
24#include <syslog.h>
25
26#ifndef IPOPT_OPTVAL

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41 unsigned char optbuf[BUFFER_SIZE / 3], *cp;
42 char lbuf[BUFFER_SIZE], *lp;
43 int optsize = sizeof(optbuf), ipproto;
44 struct protoent *ip;
45 int fd = request->fd;
46 unsigned int opt;
47 int optlen;
48 struct in_addr dummy;
49#ifdef INET6
50 struct sockaddr_storage ss;
51 int sslen;
44
52
53 /*
54 * check if this is AF_INET socket
55 * XXX IPv6 support?
56 */
57 sslen = sizeof(ss);
58 if (getsockname(fd, (struct sockaddr *)&ss, &sslen) < 0) {
59 syslog(LOG_ERR, "getpeername: %m");
60 clean_exit(request);
61 }
62 if (ss.ss_family != AF_INET)
63 return;
64#endif
65
45 if ((ip = getprotobyname("ip")) != 0)
46 ipproto = ip->p_proto;
47 else
48 ipproto = IPPROTO_IP;
49
50 if (getsockopt(fd, ipproto, IP_OPTIONS, (char *) optbuf, &optsize) == 0
51 && optsize != 0) {
52

--- 57 unchanged lines hidden --- 		66 if ((ip = getprotobyname("ip")) != 0)
67 ipproto = ip->p_proto;
68 else
69 ipproto = IPPROTO_IP;
70
71 if (getsockopt(fd, ipproto, IP_OPTIONS, (char *) optbuf, &optsize) == 0
72 && optsize != 0) {
73

--- 57 unchanged lines hidden ---