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lsock.c (24583) lsock.c (31183)
1/*
1/*
2 * lsock.c (C) 1995 Darren Reed
2 * lsock.c (C) 1995-1997 Darren Reed
3 *
3 *
4 * The author provides this program as-is, with no gaurantee for its
5 * suitability for any specific purpose. The author takes no responsibility
6 * for the misuse/abuse of this program and provides it for the sole purpose
7 * of testing packet filter policies. This file maybe distributed freely
8 * providing it is not modified and that this notice remains in tact.
4 * Redistribution and use in source and binary forms are permitted
5 * provided that this notice is preserved and due credit is given
6 * to the original author and the contributors.
9 */
7 */
10#if !defined(lint) && defined(LIBC_SCCS)
11static char sccsid[] = "@(#)lsock.c 1.2 1/11/96 (C)1995 Darren Reed";
8#if !defined(lint)
9static const char sccsid[] = "@(#)lsock.c 1.2 1/11/96 (C)1995 Darren Reed";
10static const char rcsid[] = "@(#)$Id: lsock.c,v 2.0.2.7 1997/09/28 07:13:32 darrenr Exp $";
12#endif
13#include <stdio.h>
14#include <unistd.h>
15#include <string.h>
16#include <stdlib.h>
17#include <stddef.h>
18#include <pwd.h>
19#include <sys/types.h>

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40#include <linux/netdevice.h>
41#include <nlist.h>
42#include <sys/user.h>
43#include <sys/socket.h>
44#include <math.h>
45#include <netinet/in.h>
46#include <netinet/in_systm.h>
47#include <net/if.h>
11#endif
12#include <stdio.h>
13#include <unistd.h>
14#include <string.h>
15#include <stdlib.h>
16#include <stddef.h>
17#include <pwd.h>
18#include <sys/types.h>

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39#include <linux/netdevice.h>
40#include <nlist.h>
41#include <sys/user.h>
42#include <sys/socket.h>
43#include <math.h>
44#include <netinet/in.h>
45#include <netinet/in_systm.h>
46#include <net/if.h>
48#if LINUX < 0103
47#if LINUX < 0200
49#include <net/inet/sock.h>
50#endif
51#include "ipsend.h"
52
53int nproc;
54struct task_struct *proc;
55
56#ifndef KMEM

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183 {
184 fprintf(stderr, "read(%#x,%#x,%d) - f_inode - failed\n",
185 f->f_inode, i, sizeof(*i));
186 return NULL;
187 }
188 return i->u.socket_i.data;
189}
190
48#include <net/inet/sock.h>
49#endif
50#include "ipsend.h"
51
52int nproc;
53struct task_struct *proc;
54
55#ifndef KMEM

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182 {
183 fprintf(stderr, "read(%#x,%#x,%d) - f_inode - failed\n",
184 f->f_inode, i, sizeof(*i));
185 return NULL;
186 }
187 return i->u.socket_i.data;
188}
189
191int do_socket(dev, mtu, ti, gwip, flags)
190int do_socket(dev, mtu, ti, gwip)
192char *dev;
193int mtu;
194struct tcpiphdr *ti;
195struct in_addr gwip;
191char *dev;
192int mtu;
193struct tcpiphdr *ti;
194struct in_addr gwip;
196int flags;
197{
198 struct sockaddr_in rsin, lsin;
199 struct sock *s, sk;
200 int fd, nfd, len;
201
202 printf("Dest. Port: %d\n", ti->ti_dport);
203
204 fd = socket(AF_INET, SOCK_STREAM, 0);

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222 {
223 perror("bind");
224 return -1;
225 }
226 len = sizeof(lsin);
227 (void) getsockname(fd, (struct sockaddr *)&lsin, &len);
228 ti->ti_sport = lsin.sin_port;
229 printf("sport %d\n", ntohs(lsin.sin_port));
195{
196 struct sockaddr_in rsin, lsin;
197 struct sock *s, sk;
198 int fd, nfd, len;
199
200 printf("Dest. Port: %d\n", ti->ti_dport);
201
202 fd = socket(AF_INET, SOCK_STREAM, 0);

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220 {
221 perror("bind");
222 return -1;
223 }
224 len = sizeof(lsin);
225 (void) getsockname(fd, (struct sockaddr *)&lsin, &len);
226 ti->ti_sport = lsin.sin_port;
227 printf("sport %d\n", ntohs(lsin.sin_port));
230 nfd = initdevice(dev, ntohs(lsin.sin_port));
228 nfd = initdevice(dev, ntohs(lsin.sin_port), 0);
231
232 if (!(s = find_tcp(fd, ti)))
233 return -1;
234
235 bzero((char *)&rsin, sizeof(rsin));
236 rsin.sin_family = AF_INET;
237 bcopy((char *)&ti->ti_dst, (char *)&rsin.sin_addr,
238 sizeof(struct in_addr));
239 rsin.sin_port = ti->ti_dport;
240 if (connect(fd, (struct sockaddr *)&rsin, sizeof(rsin)) == -1 &&
241 errno != EINPROGRESS)
242 {
243 perror("connect");
244 return -1;
245 }
246 KMCPY(&sk, s, sizeof(sk));
247 ti->ti_win = sk.window;
248 ti->ti_seq = sk.sent_seq - 1;
249 ti->ti_ack = sk.rcv_ack_seq;
229
230 if (!(s = find_tcp(fd, ti)))
231 return -1;
232
233 bzero((char *)&rsin, sizeof(rsin));
234 rsin.sin_family = AF_INET;
235 bcopy((char *)&ti->ti_dst, (char *)&rsin.sin_addr,
236 sizeof(struct in_addr));
237 rsin.sin_port = ti->ti_dport;
238 if (connect(fd, (struct sockaddr *)&rsin, sizeof(rsin)) == -1 &&
239 errno != EINPROGRESS)
240 {
241 perror("connect");
242 return -1;
243 }
244 KMCPY(&sk, s, sizeof(sk));
245 ti->ti_win = sk.window;
246 ti->ti_seq = sk.sent_seq - 1;
247 ti->ti_ack = sk.rcv_ack_seq;
248 ti->ti_flags = TH_SYN;
250
249
251 if (send_tcp(nfd, mtu, ti, gwip, TH_SYN) == -1)
250 if (send_tcp(nfd, mtu, (ip_t *)ti, gwip) == -1)
252 return -1;
253 (void)write(fd, "Hello World\n", 12);
254 sleep(2);
255 close(fd);
256 return 0;
257}
251 return -1;
252 (void)write(fd, "Hello World\n", 12);
253 sleep(2);
254 close(fd);
255 return 0;
256}