static BOOL cg_socket_getavailablelocaladdress(T_IPV4EP *localAddr)
{
ER ret;
char *ifAddr;
int localPort;
cg_log_debug_l4("Entering...\n");
CgNetworkInterfaceList *netIfList;
CgNetworkInterface *netIf;
int netIfCnt;
netIfList = cg_net_interfacelist_new();
netIfCnt = cg_net_gethostinterfaces(netIfList);
if (netIfCnt <= 0) {
cg_net_interfacelist_delete(netIfList);
return FALSE;
}
netIf = cg_net_interfacelist_gets(netIfList);
ifAddr = cg_net_interface_getaddress(netIf);
localPort = cg_socket_getavailableport();
localAddr->ipaddr = ascii_to_ipaddr(ifAddr);
localAddr->portno = htons(localPort);
cg_net_interfacelist_delete(netIfList);
return FALSE;
}
BOOL cg_bittorrent_client_createpeerid(CgBittorrentClient *cbc, CgByte *peerId)
{
CgNetworkInterfaceList *netIfList;
CgNetworkInterface *netIf;
char hostName[CG_HTTP_SEVERNAME_MAXLEN];
CgByte hostNameHash[CG_SHA1_HASH_SIZE];
CgSHA1Context sha;
int err;
memset(peerId, 0, CG_BITTORRENT_CLIENT_PEERID_SIZE);
/* Client ID/Vertion */
peerId[0] = '-';
memcpy(peerId + 1, CG_BITTORRENT_CLIENT_ID, 2);
memcpy(peerId + 3, CG_BITTORRENT_CLIENT_VER, 4);
/* Host Name */
cg_http_getservername(hostName, CG_HTTP_SEVERNAME_MAXLEN);
err = cg_sha1_reset(&sha);
if (!err) {
err = cg_sha1_input(&sha, hostName, cg_strlen(hostName));
if (!err)
err = cg_sha1_result(&sha, hostNameHash);
}
if (err)
return FALSE;
memcpy(peerId + 7, hostNameHash, 7);
/* Mac Address */
netIfList = cg_net_interfacelist_new();
if (!netIfList)
return FALSE;
cg_net_gethostinterfaces(netIfList);
netIf =cg_net_interfacelist_gets(netIfList);
if (!netIf) {
cg_net_interfacelist_delete(netIfList);
return FALSE;
}
cg_net_interface_getmacaddress(netIf, (peerId + 14));
cg_net_interfacelist_delete(netIfList);
return FALSE;
}
BOOL cg_http_serverlist_open(CgHttpServerList *httpServerList, int port)
{
CgNetworkInterfaceList *netIfList;
CgNetworkInterface *netIf;
CgHttpServer *httpServer;
char *bindAddr;
BOOL result =FALSE;
cg_log_debug_l4("Entering...\n");
netIfList = cg_net_interfacelist_new();
#ifndef CG_NET_USE_ANYADDR
cg_net_gethostinterfaces(netIfList);
#else
netIf = cg_net_interface_getany();
cg_net_interfacelist_add(netIfList, netIf);
#endif
for (netIf = cg_net_interfacelist_gets(netIfList); netIf; netIf = cg_net_interface_next(netIf)) {
bindAddr = cg_net_interface_getaddress(netIf);
if (cg_strlen(bindAddr) <= 0)
continue;
httpServer = cg_http_server_new();
if (cg_http_server_open(httpServer, port, bindAddr) == FALSE) {
/* Theo Beisch - why break off,
we may be running ok on at least some IF???
(at least WINCE does...) */
continue;
}
cg_http_serverlist_add(httpServerList, httpServer);
result = TRUE; //at least one IF found ok
}
if (result==FALSE) cg_http_serverlist_clear(httpServerList);
cg_net_interfacelist_delete(netIfList);
return result;
}
BOOL cg_socket_setmulticastinterface(CgSocket *sock, char *ifaddr)
{
struct sockaddr_in sockaddr;
BOOL sockAddrSuccess;
int optSuccess;
CgNetworkInterfaceList *netIfList;
CgNetworkInterface *netIf;
int netIfCnt;
cg_log_debug_l4("Entering...\n");
netIfList = NULL;
if (cg_strlen(ifaddr) <= 0) {
netIfList = cg_net_interfacelist_new();
netIfCnt = cg_net_gethostinterfaces(netIfList);
if (netIfCnt <= 0) {
cg_net_interfacelist_delete(netIfList);
return FALSE;
}
netIf = cg_net_interfacelist_gets(netIfList);
ifaddr = cg_net_interface_getaddress(netIf);
}
sockAddrSuccess = cg_socket_tosockaddrin(ifaddr, 0, &sockaddr, TRUE);
if (netIfList != NULL)
cg_net_interfacelist_delete(netIfList);
if (sockAddrSuccess == FALSE)
return FALSE;
optSuccess = ka_setsockopt(sock->id, IP_PROTOIP, IPO_MULTICAST_IF, (const char *)&sockaddr.sin_addr, sizeof(sockaddr.sin_addr));
if (optSuccess != 0)
return FALSE;
cg_log_debug_l4("Leaving...\n");
return TRUE;
}
BOOL cg_upnp_ssdpresponse_serverlist_open(CgUpnpSSDPResponseServerList *ssdpServerList, int bindPort)
{
CgNetworkInterfaceList *netIfList;
CgNetworkInterface *netIf;
CgUpnpSSDPResponseServer *ssdpServer;
char *bindAddr;
BOOL result = FALSE;
cg_log_debug_l4("Entering...\n");
netIfList = cg_net_interfacelist_new();
#ifndef CG_NET_USE_ANYADDR
cg_net_gethostinterfaces(netIfList);
#else
netIf = cg_net_interface_getany();
cg_net_interfacelist_add(netIfList, netIf);
#endif
for (netIf = cg_net_interfacelist_gets(netIfList); netIf; netIf = cg_net_interface_next(netIf)) {
bindAddr = cg_net_interface_getaddress(netIf);
if (cg_strlen(bindAddr) <= 0)
continue;
ssdpServer = cg_upnp_ssdpresponse_server_new();
if (cg_upnp_ssdpresponse_server_open(ssdpServer, bindPort, bindAddr) == FALSE) {
cg_upnp_ssdpresponse_server_delete(ssdpServer);
continue;
}
cg_upnp_ssdpresponse_serverlist_add(ssdpServerList, ssdpServer);
result = TRUE;
}
if (result == FALSE) cg_upnp_ssdpresponse_serverlist_clear(ssdpServerList);
cg_net_interfacelist_delete(netIfList);
return result;
}
BOOL cg_upnp_controlpoint_ipchanged(CgUpnpControlPoint *ctrlPoint)
{
CgNetworkInterfaceList *current, *added, *removed;
CgNetworkInterface *netIf;
CgUpnpDevice *dev, *tmp;
CgUpnpSSDPPacket *ssdpPkt;
char *address;
cg_log_debug_l4("Entering...\n");
current = cg_net_interfacelist_new();
added = cg_net_interfacelist_new();
removed = cg_net_interfacelist_new();
if (current == NULL || added == NULL || removed == NULL)
{
if (current != NULL) cg_net_interfacelist_delete(current);
if (added != NULL) cg_net_interfacelist_delete(added);
if (removed != NULL) cg_net_interfacelist_delete(removed);
return FALSE;
}
/* Get Interface changes */
cg_net_gethostinterfaces(current);
cg_net_interfacelist_getchanges(ctrlPoint->ifCache, current,
added, removed);
/* Remove all devices registered through old interface */
for (netIf = cg_net_interfacelist_gets(removed);
netIf != NULL; netIf = cg_net_interface_next(netIf))
{
cg_upnp_controlpoint_lock(ctrlPoint);
tmp = cg_upnp_controlpoint_getdevices(ctrlPoint);
while (tmp != NULL)
{
dev = tmp; tmp = cg_upnp_device_next(dev);
ssdpPkt = cg_upnp_device_getssdppacket(dev);
address = cg_upnp_ssdp_packet_getlocaladdress(ssdpPkt);
if (address != NULL &&
cg_strcmp(address, cg_net_interface_getaddress(netIf)) == 0)
{
/* This device has been received from the
removed interface, so it does not exist */
cg_upnp_controlpoint_unlock(ctrlPoint);
cg_upnp_controlpoint_removedevicebyssdppacket(ctrlPoint,
ssdpPkt);
cg_upnp_controlpoint_lock(ctrlPoint);
address = NULL; dev = NULL; ssdpPkt = NULL;
}
}
cg_upnp_controlpoint_unlock(ctrlPoint);
}
/* Launch new M-SEARCH */
cg_upnp_controlpoint_search(ctrlPoint, CG_UPNP_ST_ROOT_DEVICE);
/**** Cache current interfaces ****/
cg_net_gethostinterfaces(ctrlPoint->ifCache);
cg_net_interfacelist_delete(current);
cg_net_interfacelist_delete(added);
cg_net_interfacelist_delete(removed);
cg_log_debug_l4("Leaving...\n");
return TRUE;
}