1 /*        $NetBSD: userauth.c,v 1.1.1.1 2012/03/23 21:20:15 christos Exp $      */
2 
3 #include <sys/types.h>
4 #include <sys/socket.h>
5 #include <fcntl.h>
6 #include <sys/ioctl.h>
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <netinet/in.h>
10 #include <net/if.h>
11 #include "ip_compat.h"
12 #include "ip_fil.h"
13 #include "ip_auth.h"
14 
15 extern    int       errno;
16 
main()17 main()
18 {
19           struct frauth fra;
20           struct frauth *frap = &fra;
21           fr_info_t *fin = &fra.fra_info;
22           fr_ip_t   *fi = &fin->fin_fi;
23           char yn[16];
24           int fd;
25 
26           fd = open(IPL_NAME, O_RDWR);
27           fra.fra_len = 0;
28           fra.fra_buf = NULL;
29           while (ioctl(fd, SIOCAUTHW, &frap) == 0) {
30                     if (fra.fra_info.fin_out)
31                               fra.fra_pass = FR_OUTQUE;
32                     else
33                               fra.fra_pass = FR_INQUE;
34 
35                     printf("%s ", inet_ntoa(fi->fi_src));
36                     if (fi->fi_flx & FI_TCPUDP)
37                               printf("port %d ", fin->fin_data[0]);
38                     printf("-> %s ", inet_ntoa(fi->fi_dst));
39                     if (fi->fi_flx & FI_TCPUDP)
40                               printf("port %d ", fin->fin_data[1]);
41                     printf("\n");
42                     printf("Allow packet through ? [y/n]");
43                     fflush(stdout);
44                     if (!fgets(yn, sizeof(yn), stdin))
45                               break;
46                     fflush(stdin);
47                     if (yn[0] == 'n' || yn[0] == 'N')
48                               fra.fra_pass |= FR_BLOCK;
49                     else if (yn[0] == 'y' || yn[0] == 'Y') {
50                               fra.fra_pass |= FR_PASS;
51                               if (fra.fra_info.fin_fi.fi_flx & FI_TCPUDP)
52                                         fra.fra_pass |= FR_KEEPSTATE;
53                     } else
54                               fra.fra_pass |= FR_NOMATCH;
55                     printf("answer = %c (%x), id %d idx %d\n", yn[0],
56                               fra.fra_pass, fra.fra_info.fin_id, fra.fra_index);
57                     if (ioctl(fd, SIOCAUTHR, &frap) != 0)
58                               perror("SIOCAUTHR");
59           }
60           fprintf(stderr, "errno=%d \n", errno);
61           perror("frauth-SIOCAUTHW");
62 }
63