freebsd-dev/usr.sbin/ppp/defs.c
1998-03-13 03:24:05 +00:00

118 lines
2.7 KiB
C

/*-
* Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: defs.c,v 1.11 1998/01/21 02:15:14 brian Exp $
*/
#include <sys/param.h>
#include <netinet/in.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "defs.h"
#include "command.h"
#include "mbuf.h"
#include "log.h"
#include "loadalias.h"
#include "vars.h"
int mode = MODE_INTER;
int BGFiledes[2] = { -1, -1 };
int modem = -1;
int tun_in = -1;
int tun_out = -1;
int netfd = -1;
static char dstsystem[50];
void
SetLabel(const char *label)
{
if (label)
strncpy(dstsystem, label, sizeof dstsystem - 1);
else
*dstsystem = '\0';
}
const char *
GetLabel()
{
return *dstsystem ? dstsystem : NULL;
}
void
randinit()
{
#if __FreeBSD__ >= 3
static int initdone;
if (!initdone) {
initdone = 1;
srandomdev();
}
#else
srandom(time(NULL)^getpid());
#endif
}
int
GetShortHost()
{
char *p;
if (gethostname(VarShortHost, sizeof VarShortHost)) {
LogPrintf(LogERROR, "GetShortHost: gethostname: %s\n", strerror(errno));
return 0;
}
if ((p = strchr(VarShortHost, '.')))
*p = '\0';
return 1;
}
void
DropClient(int verbose)
{
FILE *oVarTerm;
if (VarTerm && !(mode & MODE_INTER)) {
oVarTerm = VarTerm;
VarTerm = 0;
if (oVarTerm)
fclose(oVarTerm);
close(netfd);
netfd = -1;
if (verbose)
LogPrintf(LogPHASE, "Client connection dropped.\n");
}
}