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/* libanode: the Anode C reference implementation
* Copyright (C) 2009-2010 Adam Ierymenko <adam.ierymenko@gmail.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>. */
#include <netinet/in.h>
#include <arpa/inet.h>
#include "impl/misc.h"
#include "impl/types.h"
#include "anode.h"
const AnodeNetworkAddress AnodeNetworkAddress_ANY4 = {
ANODE_NETWORK_ADDRESS_IPV4,
{ 0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
};
const AnodeNetworkAddress AnodeNetworkAddress_ANY6 = {
ANODE_NETWORK_ADDRESS_IPV6,
{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
};
const AnodeNetworkAddress AnodeNetworkAddress_LOCAL4 = {
ANODE_NETWORK_ADDRESS_IPV4,
{ 127,0,0,1, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
};
const AnodeNetworkAddress AnodeNetworkAddress_LOCAL6 = {
ANODE_NETWORK_ADDRESS_IPV6,
{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
};
int AnodeNetworkAddress_to_string(const AnodeNetworkAddress *address,char *buf,int len)
{
const char *s;
switch(address->type) {
case ANODE_NETWORK_ADDRESS_IPV4:
s = inet_ntop(AF_INET,(const void *)address->bits,buf,len);
if (s)
return Anode_strlen(s);
else return ANODE_ERR_INVALID_ARGUMENT;
break;
case ANODE_NETWORK_ADDRESS_IPV6:
s = inet_ntop(AF_INET6,address->bits,buf,len);
if (s)
return Anode_strlen(s);
else return ANODE_ERR_INVALID_ARGUMENT;
/*
case ANODE_NETWORK_ADDRESS_ETHERNET:
break;
case ANODE_NETWORK_ADDRESS_USB:
break;
case ANODE_NETWORK_ADDRESS_BLUETOOTH:
break;
case ANODE_NETWORK_ADDRESS_IPC:
break;
case ANODE_NETWORK_ADDRESS_80211S:
break;
case ANODE_NETWORK_ADDRESS_SERIAL:
break;
*/
case ANODE_NETWORK_ADDRESS_ANODE_256_40:
return AnodeAddress_to_string((const AnodeAddress *)address->bits,buf,len);
default:
return ANODE_ERR_ADDRESS_TYPE_NOT_SUPPORTED;
}
}
int AnodeNetworkAddress_from_string(const char *str,AnodeNetworkAddress *address)
{
unsigned int dots = Anode_count_char(str,'.');
unsigned int colons = Anode_count_char(str,':');
if ((dots == 3)&&(!colons)) {
address->type = ANODE_NETWORK_ADDRESS_IPV4;
if (inet_pton(AF_INET,str,address->bits) > 0)
return 0;
else return ANODE_ERR_INVALID_ARGUMENT;
} else if ((colons)&&(!dots)) {
address->type = ANODE_NETWORK_ADDRESS_IPV6;
if (inet_pton(AF_INET6,str,address->bits) > 0)
return 0;
else return ANODE_ERR_INVALID_ARGUMENT;
} else {
address->type = ANODE_NETWORK_ADDRESS_ANODE_256_40;
return AnodeAddress_from_string(str,(AnodeAddress *)address->bits);
}
}
int AnodeNetworkEndpoint_from_sockaddr(const void *sockaddr,AnodeNetworkEndpoint *endpoint)
{
switch(((struct sockaddr_storage *)sockaddr)->ss_family) {
case AF_INET:
*((uint32_t *)endpoint->address.bits) = (uint32_t)(((struct sockaddr_in *)sockaddr)->sin_addr.s_addr);
endpoint->port = (int)ntohs(((struct sockaddr_in *)sockaddr)->sin_port);
return 0;
case AF_INET6:
Anode_memcpy(endpoint->address.bits,((struct sockaddr_in6 *)sockaddr)->sin6_addr.s6_addr,16);
endpoint->port = (int)ntohs(((struct sockaddr_in6 *)sockaddr)->sin6_port);
return 0;
default:
return ANODE_ERR_INVALID_ARGUMENT;
}
}
int AnodeNetworkEndpoint_to_sockaddr(const AnodeNetworkEndpoint *endpoint,void *sockaddr,int sockaddr_len)
{
switch(endpoint->address.type) {
case ANODE_NETWORK_ADDRESS_IPV4:
if (sockaddr_len < (int)sizeof(struct sockaddr_in))
return ANODE_ERR_BUFFER_TOO_SMALL;
Anode_zero(sockaddr,sizeof(struct sockaddr_in));
((struct sockaddr_in *)sockaddr)->sin_family = AF_INET;
((struct sockaddr_in *)sockaddr)->sin_port = htons((uint16_t)endpoint->port);
((struct sockaddr_in *)sockaddr)->sin_addr.s_addr = *((uint32_t *)endpoint->address.bits);
return 0;
case ANODE_NETWORK_ADDRESS_IPV6:
if (sockaddr_len < (int)sizeof(struct sockaddr_in6))
return ANODE_ERR_BUFFER_TOO_SMALL;
Anode_zero(sockaddr,sizeof(struct sockaddr_in6));
((struct sockaddr_in6 *)sockaddr)->sin6_family = AF_INET6;
((struct sockaddr_in6 *)sockaddr)->sin6_port = htons((uint16_t)endpoint->port);
Anode_memcpy(((struct sockaddr_in6 *)sockaddr)->sin6_addr.s6_addr,endpoint->address.bits,16);
return 0;
default:
return ANODE_ERR_INVALID_ARGUMENT;
}
}
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