j3d1/tinc
1
0
Fork 0
Code Issues 1 Pull requests Releases Wiki Activity

Obsoleted.

Browse source
This commit is contained in:
Ivo Timmermans 2001-11-16 12:21:22 +00:00
parent 331d9402e8
commit a79252af43
2 changed files with 0 additions and 142 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

111
src/netutl.c
View file

@ -1,111 +0,0 @@
/*
netutl.c -- some supporting network utility code
Copyright (C) 1998-2001 Ivo Timmermans <itimmermans@bigfoot.com>
2000,2001 Guus Sliepen <guus@sliepen.warande.net>
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: netutl.c,v 1.12.4.21 2001/10/31 20:37:54 guus Exp $
*/
#include "config.h"
#include <arpa/inet.h>
#include <netdb.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <syslog.h>
#include <utils.h>
#include <xalloc.h>
#include "errno.h"
#include "conf.h"
#include "net.h"
#include "netutl.h"
#include "system.h"
char *hostlookup(unsigned long addr)
{
char *name;
struct hostent *host = NULL;
struct in_addr in;
int lookup_hostname = 0;
cp
in.s_addr = addr;
get_config_bool(lookup_config(config_tree, "Hostnames"), &lookup_hostname);
if(lookup_hostname)
host = gethostbyaddr((char *)&in, sizeof(in), AF_INET);
if(!lookup_hostname || !host)
{
asprintf(&name, "%s", inet_ntoa(in));
}
else
{
asprintf(&name, "%s", host->h_name);
}
cp
return name;
}
/*
Turn a string into an IP addy with netmask
return NULL on failure
*/
ip_mask_t *strtoip(char *str)
{
ip_mask_t *ip;
int masker;
char *q, *p;
struct hostent *h;
cp
p = str;
if((q = strchr(p, '/')))
{
*q = '\0';
q++; /* q now points to netmask part, or NULL if no mask */
}
if(!(h = gethostbyname(p)))
{
if(debug_lvl >= DEBUG_ERROR)
syslog(LOG_WARNING, _("Error looking up `%s': %s\n"), p, strerror(errno));
return NULL;
}
masker = 0;
if(q)
{
masker = strtol(q, &p, 10);
if(q == p || (*p))
return NULL;
}
ip = xmalloc(sizeof(*ip));
ip->address = ntohl(*((ipv4_t*)(h->h_addr_list[0])));
ip->mask = masker ? ~((1 << (32 - masker)) - 1) : 0;
cp
return ip;
}

31
src/netutl.h
View file

@ -1,31 +0,0 @@
/*
netutl.h -- header file for netutl.c
Copyright (C) 1998-2001 Ivo Timmermans <zarq@iname.com>
2000,2001 Guus Sliepen <guus@sliepen.warande.net>
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: netutl.h,v 1.2.4.7 2001/10/27 12:13:17 guus Exp $
*/
#ifndef __TINC_NETUTL_H__
#define __TINC_NETUTL_H__
#include "net.h"
extern char *hostlookup(unsigned long);
extern ip_mask_t *strtoip(char*);
#endif /* __TINC_NETUTL_H__ */