Exemple #1
0
void	linemode_suboption(struct WindRec *tw)
{
	switch(tw->parsedat[1]) {
		char s[80];

		case L_MODE:	/* change mode */
#ifdef OPTS_DEBUG
			strcpy(s, "RECV: SB LINEMODE MODE => ");
			DemangleLineModeShort(s, tw->parsedat[2]);
			opts_debug_print(s);
#endif
			if (tw->lineAllow) {			// First make sure we allowed linemode in the first place.
				// RFC 1184 says client should ignore MODE negotiations with the MODE_ACK bit set, and should not
				//	generate a response if the negotiated MODE matches the current MODE
				if (!((tw->parsedat[2] & L_MODE_ACK) || ((tw->parsedat[2] & L_MODE_MASK) == tw->lmodeBits))) 
				{
					tw->lmodeBits = tw->parsedat[2];	// Accept the mode
					tw->parsedat[2] |= L_MODE_ACK;  // Set the MODE_ACK bit
 
					sprintf(s,"%c%c%c%c",IAC,TEL_SB,N_LINEMODE,L_MODE);
					netwrite(tw->port,s,4);
					sprintf(s,"%c%c%c",tw->parsedat[2],IAC,TEL_SE);
					netwrite(tw->port,s,3); 
#ifdef OPTS_DEBUG
					opts_debug_print("SENT: IAC SB");
					strcpy(s, "SENT: LM MODE = ");
					DemangleLineModeShort(s, tw->parsedat[2]);
					opts_debug_print(s);
					opts_debug_print("SENT: IAC SE");
#endif
				}
#ifdef OPTS_DEBUG
				else {
					strcpy(s, "LINEMODE MODE = ");
					DemangleLineModeShort(s, tw->parsedat[2]);
					opts_debug_print(s);
					if (tw->parsedat[2] & L_MODE_ACK) 
						opts_debug_print("\tignored because MODE_ACK was set.");
					else
						opts_debug_print("\tIgnored because we are already at that mode.");
					strcpy(s, "Curr Linemode = ");
					DemangleLineModeShort(s, tw->lmodeBits);
					opts_debug_print(s);
				}
#endif
				
			}
			break;
		
		case TEL_DOTEL:	
#ifdef OPTS_DEBUG
			sprintf(munger,"RECV: SB LINEMODE DO %c", tw->parsedat[2]);
			opts_debug_print(munger);
#endif
			tw->forwardMask = TRUE;
			setForwardMask(tw);
			str_lm[3] = TEL_WILLTEL;
			str_lm[4] = L_FORWARDMASK;
			netpush(tw->port);
			netwrite(tw->port, str_lm, sizeof(str_lm));
#ifdef OPTS_DEBUG
			sprintf(munger,"SENT: IAC SB LINEMODE WILL %c IAC SE", tw->parsedat[2]);
			opts_debug_print(munger);
#endif
			break;

		case TEL_DONTTEL:	
#ifdef OPTS_DEBUG
			sprintf(munger,"RECV: SB LINEMODE DO %c", tw->parsedat[2]);
			opts_debug_print(munger);
#endif
			tw->forwardMask = FALSE;
			str_lm[3] = TEL_WONTTEL;
			str_lm[4] = L_FORWARDMASK;
			netpush(tw->port);
			netwrite(tw->port, str_lm, sizeof(str_lm));
#ifdef OPTS_DEBUG
			sprintf(munger,"SENT: IAC SB LINEMODE WONT %c IAC SE", tw->parsedat[2]);
			opts_debug_print(munger);
#endif
			break;

		case L_SLC:		/* set local chars */
			negotiateSLC(tw);
		break;
			
		default:
#ifdef OPTS_DEBUG
		sprintf(munger, "RECV: SB LINEMODE ?? (?? = %c)", tw->parsedat[1]);
		opts_debug_print(munger);
#endif
		break;

	}//switch parsedat
}
Exemple #2
0
void negotiateSLC(struct WindRec *tw)
{
	short	lmslcflag = 0;
	unsigned char *ourValues = tw->slc;
	unsigned char *ourLevels = tw->slcLevel;
	short i;
	
#ifdef OPTS_DEBUG
	sprintf(munger,"RECV: IAC SB LINEMODE SLC");
	opts_debug_print(munger);
	for(i=2;i <= tw->parseIndex - 3; i+=3) 
	{
		if (tw->parsedat[i] > 30) break; // RAB BetterTelnet 2.0b3
										 // we shouldn't panic on bad data
//		if (tw->parsedat[i] > 30)
//			DebugStr("\pAck! Bad option number");
		if(tw->parsedat[i+1] & SLC_AWK)
			sprintf(munger,"     %s %s|AWK %d",LMoptions[tw->parsedat[i]],LMflags[tw->parsedat[i+1] & SLC_LEVELBITS],tw->parsedat[i+2]);
		else
			sprintf(munger,"     %s %s %d",LMoptions[tw->parsedat[i]],LMflags[tw->parsedat[i+1] & SLC_LEVELBITS],tw->parsedat[i+2]);
		opts_debug_print(munger);
	}	
	sprintf(munger,"RECV: IAC SE");
	opts_debug_print(munger);

#endif


	for (i=2, lmslcflag=0; i <= tw->parseIndex - 3; i+=3) 
	{
		short optionNumber = tw->parsedat[i];
		Boolean awked = (tw->parsedat[i+1] & SLC_AWK);
		unsigned char requestedValue = tw->parsedat[i+2];
		unsigned char requestedLevel = tw->parsedat[i+1] & SLC_LEVELBITS;
		Boolean flushin = tw->parsedat[i+1] & SLC_FLUSHIN;
		Boolean flushout = tw->parsedat[i+1] & SLC_FLUSHOUT;

		if ((ourValues[optionNumber] != requestedValue)||(ourLevels[optionNumber] != tw->parsedat[i+1])) //if we are sent what we already have, ignore it
		{
			if (requestedLevel == SLC_NOSUPPORT)
			{
				if (ourLevels[optionNumber] & SLC_LEVELBITS != SLC_NOSUPPORT)
				{
				 	ourValues[optionNumber] = 255;
					ourLevels[optionNumber] = SLC_NOSUPPORT;//ok, we wont support this
					if (!awked)
						respondSLC(optionNumber,&lmslcflag, tw, TRUE);//awk only if he didnt awk
#ifdef OPTS_DEBUG
					else
					{
						sprintf(munger,"\t %s %s %d accepted; no response sent because it was AWKED",
							LMoptions[optionNumber],LMflags[requestedLevel],requestedValue);				
						opts_debug_print(munger);
					}
#endif
				}
#ifdef OPTS_DEBUG
				else
				{
					sprintf(munger, "\t %s %s %d Ignored because we are already at nosupport",
						LMoptions[optionNumber],LMflags[requestedLevel],ourValues[optionNumber]);
					opts_debug_print(munger);
				}
#endif
			}
			else if (requestedLevel == SLC_DEFAULT)
			{
				ourValues[optionNumber] = default_slc[optionNumber]; //get our default
				if (ourValues[optionNumber] == 255)
					ourLevels[optionNumber] = SLC_NOSUPPORT;
				else
					ourLevels[optionNumber] = SLC_VALUE;
				respondSLC(optionNumber, &lmslcflag, tw, FALSE);	//tell him about our choice
			}
			else if (requestedLevel > ourLevels[optionNumber])
				respondSLC(optionNumber, &lmslcflag, tw, FALSE);  //keep lower setting
			else
			{
				ourValues[optionNumber] = requestedValue;
				ourLevels[optionNumber] = requestedLevel;
				if (flushin)
					ourLevels[optionNumber] |= SLC_FLUSHIN;
				if (flushout)
					ourLevels[optionNumber] |= SLC_FLUSHOUT;
				if (!awked)
					respondSLC(optionNumber, &lmslcflag, tw, TRUE); //agree to his new setting
			}
		}
#ifdef OPTS_DEBUG
		else
		{
			sprintf(munger, "\t %s %s Ignored because %d is already the current value",
				LMoptions[optionNumber],LMflags[requestedLevel],ourValues[optionNumber]);
			opts_debug_print(munger);
		}
#endif
		
	}//end for on parseindex
	if (lmslcflag) 
	{
		unsigned char toSend[2] = {IAC,TEL_SE};
		netpush(tw->port);
		netwrite(tw->port,toSend,2);
		opts_debug_print("SENT: IAC SE");	
	}
}
Exemple #3
0
static int kftp_send_cmd(knetFile *ftp, const char *cmd, int is_get)
{
    if (socket_wait(ftp->ctrl_fd, 0) <= 0) return -1; // socket is not ready for writing
    netwrite(ftp->ctrl_fd, cmd, strlen(cmd));
    return is_get? kftp_get_response(ftp) : 0;
}
Exemple #4
0
void simple_tcpserver(cyg_addrword_t pnetdata)
{
	int s, new_s, i, len;
	char *msg;
	struct sockaddr_in sa, r_sa;
	int r_sa_l = sizeof(r_sa);
	struct hostent *hp;
	
	struct sockaddr_in peername;
	int socklen;
	
	int threadid;
	int localcount = 0;
		
	int port = ((NET_DATA_T*)pnetdata)->iport;
	char *pbuf = ((NET_DATA_T*)pnetdata)->pbuf;
	
	//s = ((NET_DATA_T*)pnetdata)->fd;
	threadid = cyg_thread_self();
	
	msg = malloc(BUFSIZE);
	if(msg == NULL)
	{
		printf("simple_tcpserver(%d): malloc error\n", threadid);
		cyg_thread_exit();
	}
	
	printf("simple_tcpserver(%d): to gethostbyname\n", threadid);
	if((hp = gethostbyname(TEST_REMOTEFUNC_HOSTNAME, pbuf, RNT_BUFFER_LEN)) == NULL)
	{
		printf("simple_tcpserver(%d): gethostbyname error!!!!!!\n", threadid);
		cyg_thread_exit();
	}
	printf("simple_tcpserver(%d): gethostbyname ok\n", threadid);
	
	//memcpy(&(r_sa.sin_addr), hp->h_addr_list0, hp->h_length);
	r_sa.sin_addr.s_addr = inet_addr("10.132.11.10", pbuf, RNT_BUFFER_LEN);
	printf("simple_tcpserver(%d): final addr=%s\n", threadid, inet_ntoa(r_sa.sin_addr, pbuf, RNT_BUFFER_LEN));
	r_sa.sin_family = AF_INET;
	r_sa.sin_port = htons(IPPORT_USERRESERVED + port);
	printf("simple_tcpserver(%d): receive from port %d\n", threadid, ntohs(r_sa.sin_port));
	
	if((s = socket(AF_INET, SOCK_STREAM, PF_UNSPEC, pbuf, RNT_BUFFER_LEN)) == -1)
	{
		printf("simple_tcpserver(%d): socket error!!!!!!\n", threadid);
		cyg_thread_exit();
	}
	printf("simple_tcpserver(%d): create socket success...\n", threadid);
	printf("simple_tcpserver(%d): socket=%d\n", threadid, s);
	
	/* Test for netfcntl & setsockopt */
	/*
	{
		int sock_opt = 1;

		// server socket is nonblocking
		if (netfcntl(s, F_SETFL, O_NONBLOCK, pbuf, RNT_BUFFER_LEN) == -1)
		{
			printf("netfcntl error\n");
			netclose(s, pbuf, RNT_BUFFER_LEN);
			return -1;
		}

		if ((setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void *) &sock_opt,
						sizeof(sock_opt), pbuf, RNT_BUFFER_LEN)) == -1)
		{
			printf("setsockopt error\n");
			netclose(s, pbuf, RNT_BUFFER_LEN);
			return -1;
		}
	}
	*/
	
	if(bind(s, (struct sockaddr*)&r_sa, sizeof(r_sa), pbuf, RNT_BUFFER_LEN) == -1)
	{
		printf("simple_tcpserver(%d): bind error!!!!!!\n", threadid);
		netclose(s, pbuf, RNT_BUFFER_LEN);
		cyg_thread_exit();
	}
	printf("simple_tcpserver(%d): bind success...\n", threadid);

	/*
	{
		struct sockaddr_in sockname;
		int socklen;
		
		if(getsockname(s, (struct sockaddr*)&sockname, &socklen, pbuf, RNT_BUFFER_LEN) != -1)
		{
			printf("simple_tcpserver(%d): getsockname:sin_family=%d sin_port=%d sin_addr=%s socklen=%d\n", threadid, 
				sockname.sin_family, sockname.sin_port, inet_ntoa(sockname.sin_addr, pbuf, RNT_BUFFER_LEN), socklen);
		}
		else
		{
			printf("simple_tcpserver(%d): getsockname error\n", threadid);
			netclose(s, pbuf, RNT_BUFFER_LEN);
			cyg_thread_exit();
		}
	}
	*/
	
	if(listen(s, 10, pbuf, RNT_BUFFER_LEN) == -1)
	{
		printf("simple_tcpserver(%d): listen error\n", threadid);
		netclose(s, pbuf, RNT_BUFFER_LEN);
		cyg_thread_exit();
	}
	printf("simple_tcpserver(%d): listen success...\n", threadid);
	
	while(1)
	{
		
		if((new_s = accept(s, (struct sockaddr*)&sa, (size_t*)&r_sa_l, pbuf, RNT_BUFFER_LEN)) == -1)
		{
			printf("simple_tcpserver(%d): accept error\n", threadid);
			netclose(s, pbuf, RNT_BUFFER_LEN);
			cyg_thread_exit();
		}
		printf("simple_tcpserver(%d): accept success...\n", threadid);
		
		{
			int val, vallen;
			
			vallen = sizeof(val);
			if(getsockopt(new_s, SOL_SOCKET, SO_RCVBUF, &val, &vallen, pbuf, RNT_BUFFER_LEN) < 0)
			{
				printf("get rcvbuf size error!!!!!!\n");
			}
			printf("recv window size = %d\n", val);
			vallen = sizeof(val);
			if(getsockopt(new_s, SOL_SOCKET, SO_SNDBUF, &val, &vallen, pbuf, RNT_BUFFER_LEN) < 0)
			{
				printf("get sndbuf size error!!!!!!\n");
			}
			printf("send window size = %d\n", val);
			
			vallen = sizeof(val);
			val = 50000;
			if(setsockopt(new_s, SOL_SOCKET, SO_RCVBUF, &val, vallen, pbuf, RNT_BUFFER_LEN) < 0)
			{
				printf("set rcvbuf size error!!!!!!\n");
			}
			if(setsockopt(new_s, SOL_SOCKET, SO_SNDBUF, &val, vallen, pbuf, RNT_BUFFER_LEN) < 0)
			{
				printf("set sndbuf size error!!!!!!\n");
			}
			
			vallen = sizeof(val);
			if(getsockopt(new_s, SOL_SOCKET, SO_RCVBUF, &val, &vallen, pbuf, RNT_BUFFER_LEN) < 0)
			{
				printf("get rcvbuf size error!!!!!!\n");
			}
			printf("new recv window size = %d\n", val);
			vallen = sizeof(val);
			if(getsockopt(new_s, SOL_SOCKET, SO_SNDBUF, &val, &vallen, pbuf, RNT_BUFFER_LEN) < 0)
			{
				printf("get sndbuf size error!!!!!!\n");
			}
			printf("new send window size = %d\n", val);
		}
		
		/*
		{
			if(getpeername(new_s, (struct sockaddr*)&peername, &socklen, pbuf, RNT_BUFFER_LEN) != -1)
			{
				printf("simple_tcpserver(%d): getpeername:sin_family=%d sin_port=%d sin_addr=%s socklen=%d\n", threadid, 
					peername.sin_family, peername.sin_port, inet_ntoa(peername.sin_addr, pbuf, RNT_BUFFER_LEN), socklen);
			}
			else
			{
				printf("simple_tcpserver(%d): getpeername error\n", threadid);
				netclose(new_s, pbuf, RNT_BUFFER_LEN);
				netclose(s, pbuf, RNT_BUFFER_LEN);
				cyg_thread_exit();
			}
		}
		*/
		
		i = 0;
		while(1)
		{
			/* Test recvmsg & sendmsg method */
			/*
			{
				struct msghdr msghdr_msg;
				struct iovec *piov;
				int j, n, copylen;
				int perIov_len;
				
				perIov_len = BUFSIZE/4;
				piov = malloc(4*sizeof(struct iovec));
				for(j = 0; j < 4; j++)
				{
					piov[j].iov_base = malloc(perIov_len);
					piov[j].iov_len = perIov_len;
				}
				msghdr_msg.msg_name = NULL;
				msghdr_msg.msg_namelen = 0;
				msghdr_msg.msg_iov = piov;
				msghdr_msg.msg_iovlen = 4;
				msghdr_msg.msg_control = NULL;
				msghdr_msg.msg_controllen = 0;
				msghdr_msg.msg_flags = 0;
				
				if((len = recvmsg(new_s, &msghdr_msg, 0, pbuf, RNT_BUFFER_LEN)) == -1)
				{
					printf("simple_tcpserver(%d): recvmsg error\n", threadid);
					break;
				}
				if(len == 0)
				{
					printf("simple_tcpserver(%d): recvmsg 0, connection broken!!!!!\n", threadid);
					break;
				}
				n = 0;
				for(j = 0; j < 4; j++)
				{
					//printf("simple_tcpserver(%d): recvmsg piov[%d].iovlen=%d\n", threadid, j, piov[j].iov_len);
					copylen = piov[j].iov_len < (len - n) ? piov[j].iov_len : (len - n);
					memcpy(&msg[n], piov[j].iov_base, copylen);
					n += copylen;
					if(n >= len) break;
				}
				msg[len] = '\0';
				//printf("simple_tcpserver(%d): recvmsg: %s\n", threadid, msg);
				
				len = 17408;
				memcpy(msg, g_LargeData, len);
				//len = sprintf(msg, "ack%d", i);
				n = 0;
				for(j = 0; j < 4; j++)
				{
					copylen = piov[j].iov_len < (len - n) ? piov[j].iov_len : (len - n);
					memcpy(piov[j].iov_base, &msg[n], copylen);
					piov[j].iov_len = copylen;
					//printf("simple_tcpserver(%d): sendmsg piov[%d].iov_len=%d\n", threadid, j, piov[j].iov_len);
					n += copylen;
					if(n >= len) break;
				}
				j++;
				for(; j < 4; j++) piov[j].iov_len = 0;
				
				if((len = sendmsg(new_s, &msghdr_msg, 0, pbuf, RNT_BUFFER_LEN)) == -1)
				{
					printf("simple_tcpserver(%d): sendmsg error\n", threadid);
					break;
				}
				if(len == 0)
				{
					printf("simple_tcpserver(%d): sendmsg 0, connection broken!!!!!\n", threadid);
					break;
				}
				for(j = 0; j < 4; j++)
				{
					free(piov[j].iov_base);
				}
				free(piov);
				i++;
			}
			*/
			
			/* Test recv & send method and fdset operation */
			/*
			{
				fd_set readset, exceptset;
				int maxfd;
				int written_bytes;
				int bytes_left;
				int reconnect;
				
				FD_ZERO(&readset);
				FD_SET(new_s, &readset);
				FD_ZERO(&exceptset);
				FD_SET(new_s, &exceptset);
				maxfd = new_s + 1;
				
				if(netselect(maxfd, &readset, NULL, &exceptset, NULL, pbuf, RNT_BUFFER_LEN) == -1)
				{
					printf("simple_tcpserver(%d): netselect error\n", threadid);
					continue;
				}
				
				if(FD_ISSET(new_s, &readset))
				{
					//printf("simple_tcpserver(%d): readset get\n", threadid);
				}
				else if(FD_ISSET(new_s, &exceptset))
				{
					printf("simple_tcpserver(%d): exceptset get\n", threadid);
					break;
				}
			
				if((len = recv(new_s, msg, BUFSIZE, 0, pbuf, RNT_BUFFER_LEN)) == -1)
				{
					printf("simple_tcpserver(%d): recv error\n", threadid);
					break;
				}
				if(len == 0)
				{
					printf("simple_tcpserver(%d): recv 0, connection broken!!!!!\n", threadid);
					break;
				}
				//printf("simple_tcpserver(%d): recv: %s\n", threadid, msg);
				
				//len = sprintf(msg, "ack%d", i);
				len = 40000;
				memcpy(msg, g_LargeData, len);
				bytes_left = len;
				reconnect = 0;
				while(bytes_left > 0)
				{
					written_bytes = send(new_s, msg+(len-bytes_left), bytes_left, 0, pbuf, RNT_BUFFER_LEN);
					if(written_bytes <= 0)
					{
						if(errno == EINTR)
						{
							written_bytes = 0;
						}
						else
						{
							printf("simple_tcpserver(%d): netwrite error, reconnect!!!!!\n", threadid);
							reconnect = 1;
							break;
						}
					}
					bytes_left -= written_bytes;
				}
				if(reconnect == 1) break;
				i++;
			}
			*/
			
			/* Test for netread & netwrite method */
			{
				int written_bytes;
				int bytes_left;
				int reconnect;
				
				if((len = netread(new_s, msg, BUFSIZE, pbuf, RNT_BUFFER_LEN)) == -1)
				{
					printf("simple_tcpserver(%d): netread error %d\n", threadid, errno);
					break;
				}
				if(len == 0)
				{
					printf("simple_tcpserver(%d): netread 0, connection broken, errno=%d!!!!!\n", threadid, errno);
					break;
				}
				msg[len] = '\0';
				//printf("simple_tcpserver(%d): len %d, netread %s\n", threadid, len, msg);
				//printf("simple_tcpserver(%d): len %d\n", threadid, len);
				
				//len = sprintf(msg, "ack%d", i);
				len = 40000;
				memcpy(msg, g_LargeData, len);
				bytes_left = len;
				reconnect = 0;
				while(bytes_left > 0)
				{
					written_bytes = netwrite(new_s, msg+(len-bytes_left), bytes_left, pbuf, RNT_BUFFER_LEN);
					if(written_bytes <= 0)
					{
						printf("errno=%d\n", errno);
						if(errno == EINTR)
						{
							written_bytes = 0;
						}
						else
						{
							printf("simple_tcpserver(%d): netwrite error, reconnect!!!!!\n", threadid);
							reconnect = 1;
							break;
						}
					}
					//printf("simple_tcpserver(%d): write %d\n", threadid, written_bytes);
					bytes_left -= written_bytes;
					if(bytes_left > 0)
					{
						printf("write %d < %d left %d\n", written_bytes, bytes_left+written_bytes, bytes_left);
					}
				}
				if(reconnect == 1) break;
				i++;
			}
			
			totallen += len;
			
			icount++;
			if((icount>=2000) && (icount%2000==0))
			{
				tend = cyg_current_time();
				printf("rate=%d rate1=%03fk\n", (int)(icount/((tend-tbegin)/100)), (float)(totallen/((tend-tbegin)/100)/1024));
			}
			
			localcount++;
			if(localcount > 100 && localcount % 100 == 0)
			{
				printf("simple_tcpserver: %d\n", port);
			}
		}
		
		printf("simple_tcpserver(%d): to close %d with 0x%x\n", threadid, new_s, pbuf);
		netclose(new_s, pbuf, RNT_BUFFER_LEN);
		printf("simple_tcpserver(%d): close connection ok\n", threadid);
	}
	
	netclose(s, pbuf, RNT_BUFFER_LEN);
	free(msg);
	cyg_thread_exit();
}
Exemple #5
0
sendrep(int rpfd, int rep_type, ...)
{
	va_list args;
	char func[16];
	char *msg;
	int n;
	char *p;
	char prtbuf[PRTBUFSZ];
	char *q;
	char *rbp;
	int rc;
	char repbuf[REPBUFSZ+12];
	int repsize;

	strcpy (func, "sendrep");
	rbp = repbuf;
	marshall_LONG (rbp, CNS_MAGIC2);
	va_start (args, rep_type);
	marshall_LONG (rbp, rep_type);
	switch (rep_type) {
	case MSG_ERR:
		msg = va_arg (args, char *);
		vsprintf (prtbuf, msg, args);
		marshall_LONG (rbp, strlen (prtbuf) + 1);
		marshall_STRING (rbp, prtbuf);
		nslogit (func, "%s", prtbuf);
		break;
	case MSG_DATA:
	case MSG_LINKS:
	case MSG_REPLIC:
	case MSG_REPLICP:
	case MSG_REPLICX:
	case MSG_REPLICS:
	case MSG_GROUPS:
	case MSG_STATUSES:
	case MSG_FILEST:
	case MSG_GRPINFO:
	case MSG_USRINFO:
		n = va_arg (args, int);
		marshall_LONG (rbp, n);
		msg = va_arg (args, char *);
		memcpy (rbp, msg, n);	/* marshalling already done */
		rbp += n;
		break;
	case CNS_IRC:
	case CNS_RC:
		rc = va_arg (args, int);
		marshall_LONG (rbp, rc);
		break;
	}
	va_end (args);
	repsize = rbp - repbuf;
	if (netwrite (rpfd, repbuf, repsize) != repsize) {
		nslogit (func, NS002, "send", neterror());
		if (rep_type == CNS_RC)
			netclose (rpfd);
		return (-1);
	}
	if (rep_type == CNS_RC)
		netclose (rpfd);
	return (0);
}
Exemple #6
0
/*
** deliver_it
**	Attempt to send a sequence of bytes to the connection.
**	Returns
**
**	< 0	Some fatal error occurred, (but not EWOULDBLOCK).
**		This return is a request to close the socket and
**		clean up the link.
**	
**	>= 0	No real error occurred, returns the number of
**		bytes actually transferred. EWOULDBLOCK and other
**		possibly similar conditions should be mapped to
**		zero return. Upper level routine will have to
**		decide what to do with those unwritten bytes...
**
**	*NOTE*	alarm calls have been preserved, so this should
**		work equally well whether blocking or non-blocking
**		mode is used...
**
**	*NOTE*	I nuked 'em.  At the load of current ircd servers
**		you can't run with stuff that blocks. And we don't.
*/
int  deliver_it(aClient *cptr, char *str, int len)
{
	int  retval;
	aClient *acpt = cptr->listener;

#ifdef	DEBUGMODE
	writecalls++;
#endif
#ifdef VMS
	retval = netwrite(cptr->fd, str, len);
#else
	if (IsDead(cptr) || (!IsServer(cptr) && !IsPerson(cptr)
	    && !IsHandshake(cptr) 
#ifdef USE_SSL
	    && !IsSSLHandshake(cptr)
#endif 
 
	    && !IsUnknown(cptr)))
	{
		str[len] = '\0';
		sendto_ops
		    ("* * * DEBUG ERROR * * * !!! Calling deliver_it() for %s, status %d %s, with message: %s",
		    cptr->name, cptr->status, IsDead(cptr) ? "DEAD" : "", str);
		return -1;
	}

#ifdef USE_SSL
	if (cptr->flags & FLAGS_SSL)
		 retval = ircd_SSL_write(cptr, str, len);	
	else
#endif
		retval = send(cptr->fd, str, len, 0);
	/*
	   ** Convert WOULDBLOCK to a return of "0 bytes moved". This
	   ** should occur only if socket was non-blocking. Note, that
	   ** all is Ok, if the 'write' just returns '0' instead of an
	   ** error and errno=EWOULDBLOCK.
	   **
	   ** ...now, would this work on VMS too? --msa
	 */
# ifndef _WIN32
	if (retval < 0 && (errno == EWOULDBLOCK || errno == EAGAIN ||
	    errno == ENOBUFS))
# else
		if (retval < 0 && (WSAGetLastError() == WSAEWOULDBLOCK ||
		    WSAGetLastError() == WSAENOBUFS))
# endif
		{
			retval = 0;
			SetBlocked(cptr);
		}
		else if (retval > 0)
		{
			ClearBlocked(cptr);
		}

#endif
#ifdef DEBUGMODE
	if (retval < 0)
	{
		writeb[0]++;
		Debug((DEBUG_ERROR, "write error (%s) to %s", STRERROR(ERRNO), cptr->name));

	}
	else if (retval == 0)
		writeb[1]++;
	else if (retval < 16)
		writeb[2]++;
	else if (retval < 32)
		writeb[3]++;
	else if (retval < 64)
		writeb[4]++;
	else if (retval < 128)
		writeb[5]++;
	else if (retval < 256)
		writeb[6]++;
	else if (retval < 512)
		writeb[7]++;
	else if (retval < 1024)
		writeb[8]++;
	else
		writeb[9]++;
#endif
	if (retval > 0)
	{
		cptr->sendB += retval;
		me.sendB += retval;
		if (cptr->sendB > 1023)
		{
			cptr->sendK += (cptr->sendB >> 10);
			cptr->sendB &= 0x03ff;	/* 2^10 = 1024, 3ff = 1023 */
		}
Exemple #7
0
void test_netwrite_server(cyg_addrword_t pnetdata)
{
	int s, i, len, writelen;
	struct sockaddr_in sa, r_sa;
	struct hostent *hp;
	
	int threadid;
		
	int port = ((TEST_NETWRITE_DATA_T*)pnetdata)->iport;
	char *pbuf = ((TEST_NETWRITE_DATA_T*)pnetdata)->pbuf;
	char *pwritebuf = ((TEST_NETWRITE_DATA_T*)pnetdata)->pwritebuf;
	
	threadid = port;
	
    if(inet_aton(TEST_NETWRITE_SERVER_ADDR, &sa.sin_addr, pbuf, RNT_BUFFER_LEN) == 0)
    {
		test_printf_error("test_netwrite_server");
		cyg_thread_exit();
    }
    sa.sin_family = AF_INET;
    sa.sin_port = htons(IPPORT_USERRESERVED + port);
    
	if((hp = gethostbyname(TEST_REMOTEFUNC_HOSTNAME, pbuf, RNT_BUFFER_LEN)) == NULL)
	{
		test_printf_error("test_netwrite_server");
		cyg_thread_exit();
	}
	
	memcpy(&(r_sa.sin_addr), hp->h_addr_list0, hp->h_length);
	r_sa.sin_family = AF_INET;
	r_sa.sin_port = htons(IPPORT_USERRESERVED + port);
	
	if((s = socket(AF_INET, SOCK_STREAM, PF_UNSPEC, pbuf, RNT_BUFFER_LEN)) == -1)
	{
		test_printf_error("test_netwrite_server");
		cyg_thread_exit();
	}
	
	if(set_reuseaddr(s, pbuf, RNT_BUFFER_LEN) == -1)
	{
		test_printf_error("test_netwrite_server");
		netclose(s, pbuf, RNT_BUFFER_LEN);
		cyg_thread_exit();
	}
	
	if(bind(s, (struct sockaddr*)&r_sa, sizeof(r_sa), pbuf, RNT_BUFFER_LEN) == -1)
	{
		test_printf_error("test_netwrite_server");
		netclose(s, pbuf, RNT_BUFFER_LEN);
		cyg_thread_exit();
	}

    if(connect(s, (struct sockaddr*)&sa, sizeof(sa), pbuf, RNT_BUFFER_LEN) == -1)
    {
		test_printf_error("test_netwrite_server");
		cyg_thread_exit();
    }
	
    for(i = 0; i < TEST_NETWRITE_WRITE_TIMES; i++)
	{
		len = sprintf(pwritebuf, "%s", TEST_NETWRITE_MSG);
		len++;
		writelen = netwrite(s, pwritebuf, len, pbuf, RNT_BUFFER_LEN);
		if(writelen < 0)
		{
			test_printf_error("test_netwrite_server");
			break;
		}
	}
	
	if(i == TEST_NETWRITE_WRITE_TIMES)
		test_printf_success("test_netwrite_server");
	
	netclose(s, pbuf, RNT_BUFFER_LEN);
	cyg_thread_exit();
}