File: pptpd-logwtmp.c

package info (click to toggle)
pptpd 1.3.4-3
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 1,168 kB
  • ctags: 909
  • sloc: ansic: 5,422; sh: 733; perl: 157; makefile: 132
file content (66 lines) | stat: -rw-r--r-- 1,796 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/*
 * $Id: pptpd-logwtmp.c,v 1.5 2007/04/16 00:21:02 quozl Exp $
 * pptpd-logwtmp.c - pppd plugin to update wtmp for a pptpd user
 *
 * Copyright 2004 James Cameron.
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version
 *  2 of the License, or (at your option) any later version.
 */
#include <unistd.h>
#include <utmp.h>
#include <string.h>
#include <pppd/pppd.h>

char pppd_version[] = VERSION;

static char pptpd_original_ip[PATH_MAX+1];
static bool pptpd_logwtmp_strip_domain = 0;

static option_t options[] = {
  { "pptpd-original-ip", o_string, pptpd_original_ip,
    "Original IP address of the PPTP connection",
    OPT_STATIC, NULL, PATH_MAX },
  { "pptpd-logwtmp-strip-domain", o_bool, &pptpd_logwtmp_strip_domain,
    "Strip domain from username before logging", OPT_PRIO | 1 },
  { NULL }
};

static char *reduce(char *user)
{
  char *sep;
  if (!pptpd_logwtmp_strip_domain) return user;

  sep = strstr(user, "//"); /* two slash */
  if (sep != NULL) user = sep + 2;
  sep = strstr(user, "\\"); /* or one backslash */
  if (sep != NULL) user = sep + 1;
  return user;
}

static void ip_up(void *opaque, int arg)
{
  char *user = reduce(peer_authname);
  if (debug)
    notice("pptpd-logwtmp.so ip-up %s %s %s", ifname, user, 
	   pptpd_original_ip);
  logwtmp(ifname, user, pptpd_original_ip);
}

static void ip_down(void *opaque, int arg)
{
  if (debug) 
    notice("pptpd-logwtmp.so ip-down %s", ifname);
  logwtmp(ifname, "", "");
}

void plugin_init(void)
{
  add_options(options);
  add_notifier(&ip_up_notifier, ip_up, NULL);
  add_notifier(&ip_down_notifier, ip_down, NULL);
  if (debug) 
    notice("pptpd-logwtmp: $Version$");
}