IP_GLOBAL int
ipnet_loopback_if_setup(Ipnet_netif *netif)
{
int ret = 0;
#ifdef IPCOM_USE_INET6
struct Ip_in6_addr lo_addr = IP_IN6ADDR_LOOPBACK_INIT;
struct Ipnet_route_add_param param;
struct Ipnet_ipv6_key key;
struct Ipnet_ipv6_key mask;
/* Add ::1 loopback address to interface */
(void)ipnet_ip6_add_addr(netif,
&lo_addr,
IP_TRUE,
0xffffffff,
0xffffffff,
128);
/* All packets matching ff02::/16 with no scope specified
must be rejected */
ipcom_memset(&key, 0, sizeof(key));
ipcom_memset(&mask, 0, sizeof(mask));
ipcom_memset(¶m, 0, sizeof(param));
key.addr.in6.addr16[0] = ip_htons(0xff02);
ipnet_route_create_mask(&mask.addr, 16);
param.domain = IP_AF_INET6;
param.key = &key;
param.netmask = &mask;
param.flags = IPNET_RTF_X_HIDDEN | IPNET_RTF_REJECT | IPNET_RTF_DONE;
param.netif = netif;
param.vr = netif->vr_index;
param.table = IPCOM_ROUTE_TABLE_DEFAULT;
ret = ipnet_route_add(¶m);
if (ret < 0)
IPCOM_LOG2(ERR, "Failed to setup routes on %s in vr %d",
netif->ipcom.name,
netif->vr_index);
#endif /* IPCOM_USE_INET6 */
#ifdef IPCOM_USE_INET
/* Add 127.0.0.1 loopback address to interface */
(void)ipnet_ip4_add_addr(netif,
ip_htonl(IP_INADDR_LOOPBACK),
ip_htonl(0xff000000),
IP_TRUE,
IPNET_ADDR_TYPE_UNICAST);
#endif /* IPCOM_USE_INET */
return ret;
}
IP_STATIC int
ipnet_sockdev_ip6_create_addr(Ipnet_netif *netif,
IP_CONST struct Ip_in6_addr* prefix,
struct Ip_in6_addr* in6_addr)
{
in6_addr->in6.addr16[0] = prefix->in6.addr16[0];
in6_addr->in6.addr16[1] = prefix->in6.addr16[1];
in6_addr->in6.addr16[2] = prefix->in6.addr16[2];
in6_addr->in6.addr16[3] = prefix->in6.addr16[3];
in6_addr->in6.addr16[4] = 0;
in6_addr->in6.addr16[5] = 0;
IP_SET_32ON16(&in6_addr->in6.addr32[3],
ip_htonl(((Ipnet_socket *) netif->ipcom.plink)->ipcom.fd));
return 0;
}
/*
*===========================================================================
* ipnet_nat_proxy_sip_localaddrprocess
*===========================================================================
* Description: Process the private transport address
* Parameters: pmsgstr - pointer to message
* pipaddrstr - pointer to buffer for the local address string
* pgaddrstr - pointer to buffer for the gloab address string
* pcallid - pointer to the call id string
* type - type of search
* ppend - pointer to pointer to last byte of message
* Returns: The next character position after the parsed string or
* IP_NULL if parse fails
*/
IP_STATIC char *
ipnet_nat_proxy_sip_localaddrprocess(char *pmsgstr,
char *pipaddrstr,
char *pgaddrstr,
char *pcallid,
int type,
Ipnet_nat_proxy_param *param,
char **ppend)
{
int localport, newport;
int len, diff;
Ip_u32 ipaddr;
char *pstart;
char tmpholder[30];
Ipnet_nat_proxy_tuple proxy_tuple;
(void)pcallid;
SIP_SKIP_SPACES(pmsgstr);
pstart = pmsgstr;
pmsgstr = ipnet_nat_proxy_sip_addrportstrparse(pmsgstr, &ipaddr, &localport, type);
if (pmsgstr == IP_NULL)
return IP_NULL;
if (!localport)
localport = SIP_DEFAULT_PORT;
if (type == SIP_ADDRESS_PORT_STRING)
{
ipaddr = ip_htonl(ipaddr);
(void)ipcom_inet_ntop(IP_AF_INET, &ipaddr, pipaddrstr, 16);
ipaddr = ip_ntohl(ipaddr);
}
else /* PORT string only */
{
ipaddr = ipcom_inet_addr(pipaddrstr);
ipaddr = ip_ntohl(ipaddr);
}
/* make sure it is the private address, otherwise no translation */
if (ipaddr != param->tuple.private_addr)
return pmsgstr;
/* create a bind entry for this transport address if it hasn't been created yet */
if (param->tuple.private_port != localport)
{
ipcom_memset(&proxy_tuple, 0, sizeof(proxy_tuple));
proxy_tuple.protocol = IP_IPPROTO_UDP;
proxy_tuple.private_addr = ipaddr;
proxy_tuple.private_port = localport;
newport = ipnet_nat_proxy_add_mapping(&proxy_tuple,
IPNET_NAT_SIP_ENTRY_MEDIA_TIMEOUT,
param->mapping,
IP_FALSE, /* Use port translation */
IP_TRUE, /* Inbound session */
IP_NULL,
IP_NULL);
if (newport < 0)
{
IPCOM_LOG2(ERR, "ipnet_nat_proxy_sip_localaddrprocess() :: Failed to add mapping for address = 0x%08x, port = %d",
ipaddr, localport);
}
else
{
IPCOM_LOG2(DEBUG, "ipnet_nat_proxy_sip_localaddrprocess() :: Added mapping for address = 0x%08x, port = %d",
ipaddr, localport);
}
}
else
{
newport = param->nat_port;
IPCOM_LOG2(DEBUG, "ipnet_nat_proxy_sip_localaddrprocess() :: Mapping already existed for address = 0x%08x, port = %d",
ipaddr, localport);
}
/* compose the new modified string */
len = 0;
if (type == SIP_ADDRESS_PORT_STRING)
{
ipaddr = ip_htonl(param->nat_addr);
(void)ipcom_inet_ntop(IP_AF_INET, &ipaddr, tmpholder, 16);
ipcom_strcpy(pgaddrstr, tmpholder);
len = ipcom_strlen(tmpholder);
tmpholder[len++]= ':';
}
ipcom_sprintf(tmpholder + len, "%d", newport);
IPCOM_LOG1(DEBUG, "ipnet_nat_proxy_sip_localaddrprocess() new str: %s", tmpholder);
if (ipnet_nat_proxy_sip_modmsg(tmpholder, ipcom_strlen(tmpholder),
pstart, pmsgstr - pstart, ppend) < 0)
{
return IP_NULL;
}
diff = ipcom_strlen(tmpholder) - (pmsgstr - pstart);
return pmsgstr + diff;
}
