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/* Spruce
* Copyright (C) 1999 Susixware
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "server.h"
gint Resolve (Server *server)
{
/* Resolves server->hostname to it's corresponding IPv4 IP address.
* The IP address is stored in server->ip if successful.
* Returns SUCCESS (1) or ERROR (0).
*/
struct hostent *ptr_host;
if ( (ptr_host = gethostbyname(server->hostname)) == NULL)
return ERROR;
memcpy(&server->sin.sin_addr, ptr_host->h_addr, ptr_host->h_length);
g_snprintf(server->ip, sizeof(server->ip), "%s", inet_ntoa(server->sin.sin_addr));
return SUCCESS;
}
gint resolve (gchar *host_ip, gchar *hostname)
{
/* Resolves "hostname" to it's corresponding IPv4 IP address.
* The IP address is stored in *host_ip if successful.
* Returns SUCCESS (1) or ERROR (0).
*/
struct hostent *ptr_host;
struct sockaddr_in sin;
if ( (ptr_host = gethostbyname(hostname)) == NULL)
return ERROR;
memcpy(&sin.sin_addr, ptr_host->h_addr, ptr_host->h_length);
g_snprintf(host_ip, sizeof(host_ip), "%s", inet_ntoa(sin.sin_addr));
return SUCCESS;
}
gint ipv4_resolve (gchar *host_ip, gchar *hostname)
{
/* resolve the hostname into an actual IPv4 address */
gint ip1, ip2, ip3, ip4;
struct hostent *ptr_host; /* pointer to remote host */
/* separate the parts of the ip */
if (sscanf(hostname, "%d.%d.%d.%d", &ip1, &ip2, &ip3, &ip4) != 4)
{
/* uh-oh, there weren't 4 parts to the ip... */
ptr_host = gethostbyname(hostname); /* lets see if we can find the host */
if (ptr_host == NULL) /* if the ip doesn't resolve */
return ERROR;
/* print the ip into a string */
sprintf(host_ip, "%d.%d.%d.%d", (unsigned char) ptr_host->h_addr_list[0][0],
(unsigned char) ptr_host->h_addr_list[0][1],
(unsigned char) ptr_host->h_addr_list[0][2],
(unsigned char) ptr_host->h_addr_list[0][3]);
}
else /* there were 4 parts to the ip... */
strcpy(host_ip, hostname); /* lets copy it into the host variable */
return SUCCESS;
}
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