sprintf(outPtr, "%u", val);				outPtr += strlen(outPtr) + 1;			}			else if (!strcasecmp(inPtr, "tsize"))			{				strcpy(outPtr, inPtr);				outPtr += strlen(outPtr) + 1;				inPtr += strlen(inPtr) + 1;				if (!fseek(req->file, 0, SEEK_END))					req->tsize = ftell(req->file);				sprintf(outPtr, "%u", req->tsize);				outPtr += strlen(outPtr) + 1;			}			else if (!strcasecmp(inPtr, "timeout"))			{				strcpy(outPtr, inPtr);				outPtr += strlen(outPtr) + 1;				inPtr += strlen(inPtr) + 1;				val = atoi(inPtr);				if (val < 1)					val = 1;				else if (val > 255)					val = 255;				req->timeout = val;				req->expiry = time(NULL) + req->timeout;				sprintf(outPtr, "%u", val);				outPtr += strlen(outPtr) + 1;			}			inPtr += strlen(inPtr) + 1;			//printf("=%u\n", val);		}		errno = 0;		req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)&req->acout, (DWORD)outPtr - (DWORD)&req->acout, 0, (sockaddr*)&req->client, req->clientsize);		//errno = WSAGetLastError();	}	else if (htons(datain->opcode) == 2)	{		req->acout.opcode = htons(4);		req->acout.block = htons(0);		errno = 0;		req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)&req->acout, 4, 0, (sockaddr*)&req->client, req->clientsize);		//errno = WSAGetLastError();	}	if (errno)	{		sprintf(req->serverError.errormessage, "Communication Error");		logMess(req, 1);		req->attempt = UCHAR_MAX;		if (req->file)		{			fclose(req->file);			req->file = 0;		}		return errno;	}	if (ntohs(datain->opcode) == 1)	{		errno = 0;		req->pkt[0] = (packet*)calloc(1, req->blksize + 4);		req->pkt[1] = (packet*)calloc(1, req->blksize + 4);		if (errno || !req->pkt[0] || !req->pkt[1])		{			strcpy(req->serverError.errormessage, "Memory Error");			logMess(req, 1);			req->attempt = UCHAR_MAX;			return 1;		}		if (ftell(req->file) > 0)			fseek(req->file, 0, SEEK_SET);		req->pkt[0]->opcode = htons(3);		req->pkt[0]->block = htons(1);		req->bytesRead[0] = fread(&req->pkt[0]->buffer, 1, req->blksize, req->file);		if (errno)		{			req->serverError.opcode = htons(5);			req->serverError.errorcode = htons(1);			strcpy(req->serverError.errormessage, "Invalid Path or No Access");			req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)&req->serverError, strlen(req->serverError.errormessage) + 5, 0, (sockaddr*)&req->client, req->clientsize);			logMess(req, 1);			req->attempt = UCHAR_MAX;			if (req->file)			{				fclose(req->file);				req->file = 0;			}			return errno;		}		if (req->bytesRead[0] == req->blksize)		{			req->pkt[1]->opcode = htons(3);			req->pkt[1]->block = htons(2);			req->bytesRead[1] = fread(&req->pkt[1]->buffer, 1, req->blksize, req->file);			if (errno)			{				req->serverError.opcode = htons(5);				req->serverError.errorcode = htons(1);				strcpy(req->serverError.errormessage, "Invalid Path or No Access");				req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)&req->serverError, strlen(req->serverError.errormessage) + 5, 0, (sockaddr*)&req->client, req->clientsize);				logMess(req, 1);				req->attempt = UCHAR_MAX;				if (req->file)				{					fclose(req->file);					req->file = 0;				}				return errno;			}			if ((DWORD)req->bytesRead[1] < req->blksize)			{				fclose(req->file);				req->file = 0;			}		}		else		{			fclose(req->file);			req->file = 0;		}		if (!req->bytesSent)		{			req->block = 1;			return processSend(req);		}	}	return 0;}int processSend(request *req){	errno = 0;	req->expiry = time(NULL) + req->timeout;	if (ntohs(req->pkt[0]->block) == req->block)	{		errno = 0;		req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)req->pkt[0], req->bytesRead[0] + 4, 0, (sockaddr*)&req->client, req->clientsize);		memcpy(&req->acout, req->pkt[0], 4);		//errno = WSAGetLastError();		if (errno)		{			sprintf(req->serverError.errormessage, "Communication Error");			logMess(req, 1);			req->attempt = UCHAR_MAX;			if (req->file)			{				fclose(req->file);				req->file = 0;			}			return errno;		}		if (req->file)		{			req->tblock = ntohs(req->pkt[1]->block) + 1;			if (req->tblock == req->block)			{				req->pkt[1]->block = htons(++req->tblock);				req->bytesRead[1] = fread(&req->pkt[1]->buffer, 1, req->blksize, req->file);				if (errno)				{					req->serverError.opcode = htons(5);					req->serverError.errorcode = htons(1);					strcpy(req->serverError.errormessage, "Invalid Path or No Access");					req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)&req->serverError, strlen(req->serverError.errormessage) + 5, 0, (sockaddr*)&req->client, req->clientsize);					logMess(req, 1);					req->attempt = UCHAR_MAX;					if (req->file)					{						fclose(req->file);						req->file = 0;					}					return errno;				}				else if (req->bytesRead[1] < req->blksize)				{					fclose(req->file);					req->file = 0;				}			}		}	}	else if (ntohs(req->pkt[1]->block) == req->block)	{		errno = 0;		req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)req->pkt[1], req->bytesRead[1] + 4, 0, (sockaddr*)&req->client, req->clientsize);		memcpy(&req->acout, req->pkt[1], 4);		//errno = WSAGetLastError();		if (errno)		{			sprintf(req->serverError.errormessage, "Communication Error");			logMess(req, 1);			req->attempt = UCHAR_MAX;			if (req->file)			{				fclose(req->file);				req->file = 0;			}			return errno;		}		if (req->file)		{			req->tblock = ntohs(req->pkt[0]->block) + 1;			if (req->tblock == req->block)			{				req->pkt[0]->block = htons(++req->tblock);				req->bytesRead[0] = fread(&req->pkt[0]->buffer, 1, req->blksize, req->file);				if (errno)				{					req->serverError.opcode = htons(5);					req->serverError.errorcode = htons(1);					strcpy(req->serverError.errormessage, "Invalid Path or No Access");					req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)&req->serverError, strlen(req->serverError.errormessage) + 5, 0, (sockaddr*)&req->client, req->clientsize);					logMess(req, 1);					req->attempt = UCHAR_MAX;					if (req->file)					{						fclose(req->file);						req->file = 0;					}					return errno;				}				else if (req->bytesRead[0] < req->blksize)				{					fclose(req->file);					req->file = 0;				}			}		}	}	else //if (ntohs(req->pkt[0]->block) < req->block && ntohs(req->pkt[1]->block) < req->block)	{		req->attempt = UCHAR_MAX;		sprintf(logBuff, "Client %s %s, %i Blocks Served", req->mapname, req->path, req->fblock );		logMess(logBuff, 2);	}	return 0;}int processRecv(request *req){	req->expiry = time(NULL) + req->timeout;	errno = 0;	req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)&req->acout, 4, 0, (sockaddr*)&req->client, req->clientsize);	//errno = WSAGetLastError();	if (errno)	{		sprintf(req->serverError.errormessage, "Communication Error");		logMess(req, 1);		req->attempt = UCHAR_MAX;		if (req->file)		{			fclose(req->file);			req->file = 0;		}		return errno;	}	if (req->bytesRecd > 4 && !fwrite(&datain->buffer, req->bytesRecd - 4, 1, req->file))	{		req->serverError.opcode = htons(5);		req->serverError.errorcode = htons(3);		strcpy(req->serverError.errormessage, "Disk full or allocation exceeded");		req->bytesSent = sendto(cfig.tftpConn[req->sockInd].sock, (const char*)&req->serverError, strlen(req->serverError.errormessage) + 5, 0, (sockaddr*)&req->client, req->clientsize);		logMess(req, 1);		req->attempt = UCHAR_MAX;		if (req->file)		{			fclose(req->file);			req->file = 0;		}		return 1;	}	//printf("%u\n", req->bytesRecd);	if ((WORD)req->bytesRecd < req->blksize + 4)	{		sprintf(logBuff, "Client %s %s, %u Blocks Received", req->mapname, req->path, req->fblock);		logMess(logBuff, 2);		req->attempt = UCHAR_MAX;		fclose(req->file);		req->file = 0;		return 0;	}	return 0;}char* myGetToken(char* buff, BYTE index){	while (*buff)	{		if (index)			index--;		else			break;		buff += strlen(buff) + 1;	}	return buff;}WORD myTokenize(char *target, char *source, char *sep, bool whiteSep){	bool found = true;	char *dp = target;	WORD kount = 0;	while (*source)	{		if (sep && sep[0] && strchr(sep, (*source)))		{			found = true;			source++;			continue;		}		else if (whiteSep && *source <= 32)		{			found = true;			source++;			continue;		}		if (found)		{			if (target != dp)			{				*dp = 0;				dp++;			}			kount++;		}		found = false;		*dp = *source;		dp++;		source++;	}	*dp = 0;	dp++;	*dp = 0;	//printf("%s\n", target);	return kount;}char* myTrim(char *target, char *source){	while ((*source) && (*source) <= 32)		source++;	int i = 0;	for (; i < 511 && source[i]; i++)		target[i] = source[i];	target[i] = source[i];	i--;	for (; i >= 0 && target[i] <= 32; i--)		target[i] = 0;	return target;}void mySplit(char *name, char *value, char *source, char splitChar){	int i = 0;	int j = 0;	int k = 0;	for (; source[i] && j <= 510 && source[i] != splitChar; i++, j++)	{		name[j] = source[i];	}	if (source[i])	{		i++;		for (; k <= 510 && source[i]; i++, k++)		{			value[k] = source[i];		}	}	name[j] = 0;	value[k] = 0;	myTrim(name, name);	myTrim(value, value);	//printf("%s %s\n", name, value);}bool getSection(char *sectionName, char *buffer, BYTE serial, char *fileName){	//printf("%s=%s\n",fileName,sectionName);	char section[128];	sprintf(section, "[%s]", sectionName);	myUpper(section);	FILE *f = fopen(fileName, "rt");	char buff[512];	BYTE found = 0;	if (f)	{		while (fgets(buff, 511, f))		{			myUpper(buff);			myTrim(buff, buff);			if (strstr(buff, section) == buff)			{				found++;				if (found == serial)				{					//printf("%s=%s\n",fileName,sectionName);					while (fgets(buff, 511, f))					{						myTrim(buff, buff);						if (strstr(buff, "[") == buff)							break;						if ((*buff) >= '0' && (*buff) <= '9' || (*buff) >= 'A' && (*buff) <= 'Z' || (*buff) >= 'a' && (*buff) <= 'z' || ((*buff) && strchr("/\\?*", (*buff))))						{							buffer += sprintf(buffer, "%s", buff);							buffer++;						}					}					break;				}			}		}		fclose(f);	}	*buffer = 0;	*(buffer + 1) = 0;	return (found == serial);}char *IP2String(char *target, DWORD ip){	data15 inaddr;	inaddr.ip = (unsigned int)ip;	sprintf(target, "%u.%u.%u.%u", inaddr.octate[0], inaddr.octate[1], inaddr.octate[2], inaddr.octate[3]);	return target;}char *myUpper(char *string){	char diff = 'a' - 'A';	WORD len = strlen(string);	for (int i = 0; i < len; i++)		if (string[i] >= 'a' && string[i] <= 'z')			string[i] -= diff;	return string;}char *myLower(char *string){	char diff = 'a' - 'A';	WORD len = strlen(string);	for (int i = 0; i < len; i++)