defs.c revision 31203 
1/*
2 * $Id: defs.c,v 1.3 1997/11/17 00:42:38 brian Exp $
3 */
4
5#include <sys/param.h>
6#include <netinet/in.h>
7
8#include <errno.h>
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12#include <unistd.h>
13
14#include "defs.h"
15#include "mbuf.h"
16#include "log.h"
17#include "loadalias.h"
18#include "command.h"
19#include "vars.h"
20
21int mode = MODE_INTER;
22int BGFiledes[2] = { -1, -1 };
23int modem = -1;
24int tun_in = -1;
25int tun_out = -1;
26int netfd = -1;
27
28static char dstsystem[50];
29
30void
31SetLabel(const char *label)
32{
33  if (label)
34    strncpy(dstsystem, label, sizeof dstsystem);
35  else
36    *dstsystem = '\0';
37}
38
39const char *
40GetLabel()
41{
42  return *dstsystem ? dstsystem : NULL;
43}
44
45void
46randinit()
47{
48  static int initdone;
49
50  if (!initdone) {
51    initdone = 1;
52    srandomdev();
53  }
54}
55
56
57int
58GetShortHost()
59{
60  char *p;
61
62  if (gethostname(VarShortHost, sizeof(VarShortHost))) {
63    LogPrintf(LogERROR, "GetShortHost: gethostbyname: %s\n", strerror(errno));
64    return 0;
65  }
66
67  if ((p = strchr(VarShortHost, '.')))
68    *p = '\0';
69
70  return 1;
71}
72
73void
74DropClient()
75{
76  FILE *oVarTerm;
77
78  if (VarTerm && !(mode & MODE_INTER)) {
79    oVarTerm = VarTerm;
80    VarTerm = 0;
81    if (oVarTerm)
82      fclose(oVarTerm);
83    close(netfd);
84    netfd = -1;
85    LogPrintf(LogPHASE, "Client connection closed.\n");
86  }
87}
88