+++ /dev/null
-/*
- 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;
-}
-
+++ /dev/null
-/*
- 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__ */