GPResult
gpiPeerAddMessage(
GPConnection * connection,
GPIPeer * peer,
int type,
const char * message
)
{
GPIMessage gpiMessage;
int len;
GS_ASSERT(peer != NULL);
GS_ASSERT(message != NULL);
if (peer == NULL)
return GP_NETWORK_ERROR;
if (message == NULL)
return GP_NETWORK_ERROR;
// Get the length.
//////////////////
len = (int)strlen(message);
// Clear the message.
/////////////////////
memset(&gpiMessage, 0, sizeof(GPIMessage));
// Copy the type.
/////////////////
gpiMessage.type = type;
// Copy the header to the buffer.
/////////////////////////////////
CHECK_RESULT(gpiAppendStringToBuffer(connection, &gpiMessage.buffer, "\\m\\"));
CHECK_RESULT(gpiAppendIntToBuffer(connection, &gpiMessage.buffer, type));
CHECK_RESULT(gpiAppendStringToBuffer(connection, &gpiMessage.buffer, "\\len\\"));
CHECK_RESULT(gpiAppendIntToBuffer(connection, &gpiMessage.buffer, len));
CHECK_RESULT(gpiAppendStringToBuffer(connection, &gpiMessage.buffer, "\\msg\\\n"));
// Copy the message to the buffer.
//////////////////////////////////
gpiMessage.start = gpiMessage.buffer.len;
CHECK_RESULT(gpiAppendStringToBufferLen(connection, &gpiMessage.buffer, message, len));
CHECK_RESULT(gpiAppendCharToBuffer(connection, &gpiMessage.buffer, '\0'));
// Add it to the list.
//////////////////////
ArrayAppend(peer->messages, &gpiMessage);
// Reset the timeout.
/////////////////////
peer->timeout = (time(NULL) + GPI_PEER_TIMEOUT);
return GP_NO_ERROR;
}
GPResult gpiAppendUShortToBuffer(
GPConnection * connection,
GPIBuffer * outputBuffer,
unsigned short num)
{
char shortVal[8];
sprintf(shortVal, "%u", num);
return gpiAppendStringToBuffer(connection, outputBuffer, shortVal);
}
GPResult
gpiAppendUIntToBuffer(
GPConnection * connection,
GPIBuffer * outputBuffer,
unsigned int num
)
{
char intValue[16];
sprintf(intValue,"%u",num);
return gpiAppendStringToBuffer(connection, outputBuffer, intValue);
}
GPResult
gpiSendServerBuddyMessage(
GPConnection * connection,
int profileid,
int type,
const char * message
)
{
char buffer[3501];
GPIConnection * iconnection = (GPIConnection*)*connection;
// Copy the message into an internal buffer.
////////////////////////////////////////////
strzcpy(buffer, message, sizeof(buffer));
// Setup the message.
/////////////////////
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\bm\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, type);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\sesskey\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->sessKey);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\t\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, profileid);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\msg\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, buffer);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\final\\");
return GP_NO_ERROR;
}
//FUNCTIONS
///////////
static GPResult
gpiSendAuthBuddyRequest(
GPConnection * connection,
GPIProfile * profile
)
{
GPIConnection * iconnection = (GPIConnection*)*connection;
// Send the auth.
/////////////////
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\authadd\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\sesskey\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->sessKey);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\fromprofileid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, profile->profileId);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\sig\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, profile->authSig);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\final\\");
return GP_NO_ERROR;
}
void
gpiDisconnect(
GPConnection * connection,
GPIBool tellServer
)
{
GPIConnection * iconnection = (GPIConnection*)*connection;
GPIPeer * peer;
GPIPeer * delPeer;
GPIBool connClosed;
// Check if we're already disconnected.
// PANTS|05.15.00
///////////////////////////////////////
if(iconnection->connectState == GPI_DISCONNECTED)
return;
// Skip most of this stuff if we never actually connected.
// PANTS|05.16.00
//////////////////////////////////////////////////////////
if(iconnection->connectState != GPI_NOT_CONNECTED)
{
// Are we connected?
////////////////////
if(tellServer && (iconnection->connectState == GPI_CONNECTED))
{
// Send the disconnect.
///////////////////////
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\logout\\\\sesskey\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->sessKey);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\final\\");
}
// Always flush remaining messages.
// PANTS|05.16.00
///////////////////////////////////
gpiSendFromBuffer(connection, iconnection->cmSocket, &iconnection->outputBuffer, &connClosed, GPITrue, "CM");
// Cleanup the connection.
//////////////////////////
if(iconnection->cmSocket != INVALID_SOCKET)
{
shutdown(iconnection->cmSocket, 2);
closesocket(iconnection->cmSocket);
iconnection->cmSocket = INVALID_SOCKET;
}
if(/*iconnection->peerSocket != INVALID_SOCKET*/ gsUdpEngineIsInitialized())
{
//shutdown(iconnection->peerSocket, 2);
//closesocket(iconnection->peerSocket);
//iconnection->peerSocket = INVALID_SOCKET;
gsUdpEngineRemoveMsgHandler(iconnection->mHeader);
if (gsUdpEngineNoMoreMsgHandlers() && gsUdpEngineNoApp())
gsUdpEngineShutdown();
}
// We're disconnected.
//////////////////////
iconnection->connectState = GPI_DISCONNECTED;
// Don't keep the userid/profileid.
///////////////////////////////////
iconnection->userid = 0;
iconnection->profileid = 0;
}
// freeclear all the memory.
///////////////////////
freeclear(iconnection->socketBuffer.buffer);
freeclear(iconnection->inputBuffer);
freeclear(iconnection->outputBuffer.buffer);
freeclear(iconnection->updateproBuffer.buffer);
freeclear(iconnection->updateuiBuffer.buffer);
while(iconnection->operationList != NULL)
gpiRemoveOperation(connection, iconnection->operationList);
iconnection->operationList = NULL;
for(peer = iconnection->peerList ; peer != NULL ; )
{
delPeer = peer;
peer = peer->pnext;
gpiDestroyPeer(connection, delPeer);
}
iconnection->peerList = NULL;
// Cleanup buddies.
// This is not optimal - because we can't continue the mapping
// after freeing a profile, we need to start it all over again.
///////////////////////////////////////////////////////////////
while(!gpiProfileMap(connection, gpiDisconnectCleanupProfile, NULL)) { };
}
static GPResult
gpiSendNewuser(
GPConnection * connection,
GPIConnectData * data
)
{
GPIConnection * iconnection = (GPIConnection*)*connection;
size_t i;
const int useAlternateEncoding = 1;
// Encrypt the password (xor with random values)
char passwordenc[GP_PASSWORDENC_LEN];
gpiEncodeString(iconnection->password, passwordenc);
// Construct the outgoing message.
//////////////////////////////////
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\newuser\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\email\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, iconnection->email);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\nick\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, iconnection->nick);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\passwordenc\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, passwordenc);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\productid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->productID);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\gamename\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, __GSIACGamename);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\namespaceid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->namespaceID);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\uniquenick\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, iconnection->uniquenick);
if(data->cdkey[0])
{
// Encrypt the cdkey (xor with random values)
char cdkeyxor[GP_CDKEY_LEN];
char cdkeyenc[GP_CDKEYENC_LEN];
size_t cdkeylen = strlen(data->cdkey);
Util_RandSeed((unsigned long)GP_XOR_SEED);
for (i=0; i < cdkeylen; i++)
{
// XOR each character with the next rand
char aRand = (char)Util_RandInt(0, 0xFF);
cdkeyxor[i] = (char)(data->cdkey[i] ^ aRand);
}
cdkeyxor[i] = '\0';
// Base 64 it (printable chars only)
B64Encode(cdkeyxor, cdkeyenc, (int)cdkeylen, useAlternateEncoding);
//gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\cdkey\\");
//gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, data->cdkey);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\cdkeyenc\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, cdkeyenc);
}
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\partnerid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->partnerID);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\id\\1");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\final\\");
return GP_NO_ERROR;
}
static GPResult
gpiSendLogin(
GPConnection * connection,
GPIConnectData * data
)
{
char buffer[512];
char response[33];
GPIConnection * iconnection = (GPIConnection*)*connection;
GPIProfile * profile;
char * passphrase;
char userBuffer[GP_NICK_LEN + GP_EMAIL_LEN];
char partnerBuffer[11];
char * user;
// Construct the user challenge.
////////////////////////////////
randomString(data->userChallenge, sizeof(data->userChallenge) - 1);
// Hash the password.
/////////////////////
if(data->partnerchallenge[0])
passphrase = data->partnerchallenge;
else
passphrase = iconnection->password;
MD5Digest((unsigned char*)passphrase, strlen(passphrase), data->passwordHash);
// Construct the user.
//////////////////////
if(iconnection->partnerID != GP_PARTNERID_GAMESPY)
{
sprintf(partnerBuffer, "%d@", iconnection->partnerID);
}
else
{
// GS ID's do not stash the partner ID in the auth challenge to support legacy clients.
strcpy(partnerBuffer, "");
}
if(data->authtoken[0])
user = data->authtoken;
else if(iconnection->uniquenick[0])
{
sprintf(userBuffer, "%s%s", partnerBuffer, iconnection->uniquenick);
user = userBuffer;
}
else
{
sprintf(userBuffer, "%s%s@%s", partnerBuffer, iconnection->nick, iconnection->email);
user = userBuffer;
}
// Construct the response.
//////////////////////////
sprintf(buffer, "%s%s%s%s%s%s",
data->passwordHash,
" ",
user,
data->userChallenge,
data->serverChallenge,
data->passwordHash);
MD5Digest((unsigned char *)buffer, strlen(buffer), response);
// Check for an existing profile.
/////////////////////////////////
if(iconnection->infoCaching)
{
gpiFindProfileByUser(connection, iconnection->nick, iconnection->email, &profile);
if(profile != NULL)
{
// Get the userid and profileid.
////////////////////////////////
iconnection->userid = profile->userId;
iconnection->profileid = profile->profileId;
}
}
// Construct the outgoing message.
//////////////////////////////////
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\login\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\challenge\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, data->userChallenge);
if(data->authtoken[0])
{
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\authtoken\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, data->authtoken);
}
else if(iconnection->uniquenick[0])
{
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\uniquenick\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, iconnection->uniquenick);
}
else
{
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\user\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, iconnection->nick);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "@");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, iconnection->email);
}
if(iconnection->userid != 0)
{
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\userid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->userid);
}
if(iconnection->profileid != 0)
{
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\profileid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->profileid);
}
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\partnerid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->partnerID);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\response\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, response);
if(iconnection->firewall == GP_FIREWALL)
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\firewall\\1");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\port\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->peerPort);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\productid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->productID);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\gamename\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, __GSIACGamename);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\namespaceid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->namespaceID);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\sdkrevision\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, GPI_SDKREV);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\quiet\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->quietModeFlags);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\id\\1");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\final\\");
return GP_NO_ERROR;
}
GPResult
gpiDeleteBuddy(
GPConnection * connection,
GPProfile profile,
GPIBool sendServerRequest
)
{
GPIProfile * pProfile;
GPIConnection * iconnection = (GPIConnection*)*connection;
int index;
// Get the profile object.
//////////////////////////
if(!gpiGetProfile(connection, profile, &pProfile))
Error(connection, GP_PARAMETER_ERROR, "Invalid profile.");
// Check that this is a buddy.
//////////////////////////////
// Removed - 092404 BED - User could be a buddy even though we don't have the status
//if(!pProfile->buddyStatus)
// Error(connection, GP_PARAMETER_ERROR, "Profile not a buddy.");
// Send the request.
////////////////////
if (GPITrue == sendServerRequest)
{
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\delbuddy\\");
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\sesskey\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, iconnection->sessKey);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\delprofileid\\");
gpiAppendIntToBuffer(connection, &iconnection->outputBuffer, pProfile->profileId);
gpiAppendStringToBuffer(connection, &iconnection->outputBuffer, "\\final\\");
}
// Need to fix up the buddy indexes.
////////////////////////////////////
if (pProfile->buddyStatus)
{
index = pProfile->buddyStatus->buddyIndex;
assert(index >= 0);
freeclear(pProfile->buddyStatus->statusString);
freeclear(pProfile->buddyStatus->locationString);
freeclear(pProfile->buddyStatus);
if(gpiCanFreeProfile(pProfile))
gpiRemoveProfile(connection, pProfile);
iconnection->profileList.numBuddies--;
assert(iconnection->profileList.numBuddies >= 0);
#ifndef _PS2
gpiProfileMap(connection, gpiFixBuddyIndices, (void *)(unsigned long)index);
#else
gpiProfileMap(connection, gpiFixBuddyIndices, (void *)index);
#endif
}
if (pProfile->buddyStatusInfo)
{
index = pProfile->buddyStatusInfo->buddyIndex;
assert(index >= 0);
freeclear(pProfile->buddyStatusInfo->richStatus);
freeclear(pProfile->buddyStatusInfo->gameType);
freeclear(pProfile->buddyStatusInfo->gameVariant);
freeclear(pProfile->buddyStatusInfo->gameMapName);
freeclear(pProfile->buddyStatusInfo);
if (pProfile->buddyStatusInfo->extendedInfoKeys)
{
ArrayFree(pProfile->buddyStatusInfo->extendedInfoKeys);
pProfile->buddyStatusInfo->extendedInfoKeys = NULL;
}
if(gpiCanFreeProfile(pProfile))
gpiRemoveProfile(connection, pProfile);
iconnection->profileList.numBuddies--;
assert(iconnection->profileList.numBuddies >= 0);
#ifndef _PS2
gpiProfileMap(connection, gpiFixBuddyIndices, (void *)(unsigned long)index);
#else
gpiProfileMap(connection, gpiFixBuddyIndices, (void *)index);
#endif
}
return GP_NO_ERROR;
}
//FUNCTIONS
///////////
static GPResult
gpiProcessPeerInitiatingConnection(
GPConnection * connection,
GPIPeer * peer
)
{
GPIConnection * iconnection = (GPIConnection*)*connection;
//int state;
char * str = NULL;
//int len;
GPIBool connClosed;
GPIProfile * pProfile;
GPResult result;
GSUdpPeerState aPeerState;
GS_ASSERT(peer);
if (!peer)
return GP_NETWORK_ERROR;
GS_ASSERT(peer->state != GPI_PEER_DISCONNECTED && peer->state != GPI_PEER_NOT_CONNECTED);
if (peer->state == GPI_PEER_DISCONNECTED || peer->state == GPI_PEER_NOT_CONNECTED)
return GP_NETWORK_ERROR;
// Check the state.
///////////////////
switch(peer->state)
{
case GPI_PEER_GETTING_SIG:
// Do nothing - we're waiting for getinfo to get the sig.
/////////////////////////////////////////////////////////
break;
case GPI_PEER_GOT_SIG:
{
// Start the connect.
/////////////////////
gsDebugFormat(GSIDebugCat_GP, GSIDebugType_State, GSIDebugLevel_Verbose, "Got the peer signature for profileid: %d\n", peer->profile);
CHECK_RESULT(gpiPeerStartConnect(connection, peer));
break;
}
case GPI_PEER_CONNECTING:
{
// Check if the connect finished.
/////////////////////////////////
/*
CHECK_RESULT(gpiCheckSocketConnect(connection, peer->sock, &state));
if(state == GPI_DISCONNECTED)
{
Error(connection, GP_NETWORK_ERROR, "Error connecting to a peer.");
}
*/
gsUdpEngineGetPeerState(peer->ip, peer->port, &aPeerState);
if(aPeerState == GS_UDP_PEER_CONNECTED)
{
GPIPeer * pcurr;
GPIBool freePeerSig = GPITrue;
// Get the profile object.
//////////////////////////
if(!gpiGetProfile(connection, peer->profile, &pProfile))
Error(connection, GP_NETWORK_ERROR, "Error connecting to a peer.");
// Send the auth.
/////////////////
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\auth\\");
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\pid\\");
gpiAppendIntToBuffer(connection, &peer->outputBuffer, iconnection->profileid);
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\nick\\");
gpiAppendStringToBuffer(connection, &peer->outputBuffer, iconnection->nick);
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\sig\\");
gpiAppendStringToBuffer(connection, &peer->outputBuffer, pProfile->peerSig);
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\final\\");
// Are there any other peers still connecting?
//////////////////////////////////////////////
for(pcurr = iconnection->peerList ; pcurr != NULL ; pcurr = pcurr->pnext)
if((pcurr->profile == peer->profile) && (pcurr != peer))
if(pcurr->state <= GPI_PEER_CONNECTING)
freePeerSig = GPIFalse;
// freeclear it?
///////////
if(freePeerSig)
{
freeclear(pProfile->peerSig);
if(gpiCanFreeProfile(pProfile))
gpiRemoveProfile(connection, pProfile);
}
// Update the state.
////////////////////
peer->state = GPI_PEER_WAITING;
}
break;
}
case GPI_PEER_WAITING:
{
// Check for a response.
////////////////////////
//CHECK_RESULT(gpiRecvToBuffer(connection, peer->sock, &peer->inputBuffer, &len, &connClosed, "PR"));
// Check for a final.
/////////////////////
if (peer->inputBuffer.buffer)
str = strstr(peer->inputBuffer.buffer, "\\final\\");
if(str != NULL)
{
str[0] = '\0';
str += 7;
// Was it rejected?
///////////////////
if(strncmp(peer->inputBuffer.buffer, "\\anack\\", 7) == 0)
{
// Rejected.
////////////
peer->nackCount++;
// Is this more than once?
//////////////////////////
if(peer->nackCount > 1)
{
// we shouldn't reach this case unless there is a problem with
// the server when getting a buddy's signature
// Give up already.
///////////////////
Error(connection, GP_NETWORK_ERROR, "Error getting buddy authorization.");
}
// Try getting the latest sig.
//////////////////////////////
CHECK_RESULT(gpiPeerGetSig(connection, peer));
}
else if(strncmp(peer->inputBuffer.buffer, "\\aack\\", 6) != 0)
{
// Unknown message.
///////////////////
Error(connection, GP_NETWORK_ERROR, "Error parsing buddy message.");
}
// The connection has been established.
///////////////////////////////////////
peer->state = GPI_PEER_CONNECTED;
peer->inputBuffer.len = 0;
}
break;
}
// code should not reach here.
default: break;
}
// Send stuff that needs to be sent.
////////////////////////////////////
if(peer->outputBuffer.len > 0)
{
//result = gpiSendFromBuffer(connection, peer->sock, &peer->outputBuffer, &connClosed, GPITrue, "PR");
result = gpiSendBufferToPeer(connection, peer->ip, peer->port, &peer->outputBuffer, &connClosed, GPITrue);
if(connClosed || (result != GP_NO_ERROR))
peer->state = GPI_PEER_DISCONNECTED;
}
return GP_NO_ERROR;
}
static GPResult
gpiProcessPeerAcceptingConnection(
GPConnection * connection,
GPIPeer * peer
)
{
GPIConnection * iconnection = (GPIConnection*)*connection;
GSUdpPeerState aPeerState;
char * str;
//int len;
GPIBool connClosed;
char intValue[16];
int pid;
char nick[GP_NICK_LEN];
char sig[33];
char sigCheck[33];
char buffer[256];
// Check the state.
///////////////////
GS_ASSERT(peer->state == GPI_PEER_WAITING);
if (peer->state != GPI_PEER_WAITING)
return GP_NETWORK_ERROR;
// Read any pending info.
/////////////////////////
//CHECK_RESULT(gpiRecvToBuffer(connection, peer->sock, &peer->inputBuffer, &len, &connClosed, "PR"));
gsUdpEngineGetPeerState(peer->ip, peer->port, &aPeerState);
// Check for a closed connection.
/////////////////////////////////
if(aPeerState == GS_UDP_PEER_CLOSED)
{
peer->state = GPI_PEER_DISCONNECTED;
return GP_NO_ERROR;
}
// Check for a final.
/////////////////////
str = strstr(peer->inputBuffer.buffer, "\\final\\");
if(str != NULL)
{
str[0] = '\0';
str += 7;
// Is it an auth?
/////////////////
if(strncmp(peer->inputBuffer.buffer, "\\auth\\", 6) == 0)
{
// Get the pid.
///////////////
if(!gpiValueForKey(peer->inputBuffer.buffer, "\\pid\\", intValue, sizeof(intValue)))
{
peer->state = GPI_PEER_DISCONNECTED;
return GP_NO_ERROR;
}
pid = atoi(intValue);
// Get the nick.
////////////////
if(!gpiValueForKey(peer->inputBuffer.buffer, "\\nick\\", nick, sizeof(nick)))
{
peer->state = GPI_PEER_DISCONNECTED;
return GP_NO_ERROR;
}
// Get the sig.
///////////////
if(!gpiValueForKey(peer->inputBuffer.buffer, "\\sig\\", sig, sizeof(sig)))
{
peer->state = GPI_PEER_DISCONNECTED;
return GP_NO_ERROR;
}
// Compute what the sig should be.
//////////////////////////////////
sprintf(buffer, "%s%d%d",
iconnection->password,
iconnection->profileid,
pid);
MD5Digest((unsigned char *)buffer, strlen(buffer), sigCheck);
// Check the sig.
/////////////////
if(strcmp(sig, sigCheck) != 0)
{
// Bad sig.
///////////
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\anack\\");
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\final\\");
gpiSendBufferToPeer(connection, peer->ip, peer->port, &peer->outputBuffer, &connClosed, GPITrue);
peer->state = GPI_PEER_DISCONNECTED;
return GP_NO_ERROR;
}
// Send an ack.
///////////////
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\aack\\");
gpiAppendStringToBuffer(connection, &peer->outputBuffer, "\\final\\");
peer->state = GPI_PEER_CONNECTED;
peer->profile = (GPProfile)pid;
}
else
{
// Unrecognized command.
////////////////////////
peer->state = GPI_PEER_DISCONNECTED;
return GP_NO_ERROR;
}
// Update the buffer length.
////////////////////////////
peer->inputBuffer.len = 0;
}
return GP_NO_ERROR;
}