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linbpq/FreeDATA.c

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/*
Copyright 2001-2018 John Wiseman G8BPQ
This file is part of LinBPQ/BPQ32.
LinBPQ/BPQ32 is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
LinBPQ/BPQ32 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with LinBPQ/BPQ32. If not, see http://www.gnu.org/licenses
*/
//
// Interface to allow G8BPQ switch to use FreeData TNC
#define _CRT_SECURE_NO_DEPRECATE
#include <stdio.h>
#include <time.h>
#ifndef WIN32
#ifndef MACBPQ
#include <sys/ioctl.h>
#endif
#endif
#include "CHeaders.h"
#include "bpq32.h"
#include "tncinfo.h"
#define SD_BOTH 0x02
int KillTNC(struct TNCINFO * TNC);
int RestartTNC(struct TNCINFO * TNC);
int (WINAPI FAR *GetModuleFileNameExPtr)();
extern int (WINAPI FAR *EnumProcessesPtr)();
static int Socket_Data(int sock, int error, int eventcode);
VOID MoveWindows(struct TNCINFO * TNC);
static VOID SendToTNC(struct TNCINFO * TNC, int Stream, UCHAR * Encoded, int EncLen);
int DoScanLine(struct TNCINFO * TNC, char * Buff, int Len);
VOID SendInitScript(struct TNCINFO * TNC);
int ProcessEscape(UCHAR * TXMsg);
static void SendPoll(struct TNCINFO * TNC);
void SendMode(struct TNCINFO * TNC);
static int ConnecttoFreeData(int port);
void ConnectTNCPort(struct TNCINFO * TNC);
int FreeDataSendCommand(struct TNCINFO * TNC, char * data);
static void SendPing(struct TNCINFO * TNC, char * Call);
static void SendCQ(struct TNCINFO * TNC);
char * stristr (char *ch1, char *ch2);
int zEncode(unsigned char * in, unsigned char * out, int len, unsigned char * Banned);
static void SendDataMsg(struct TNCINFO * TNC, char * Call, char * Msg, int Len);
static int SendAsRaw(struct TNCINFO * TNC, char * Call, char * myCall, char * Msg, int Len);
static int SendAsFile(struct TNCINFO * TNC, char * Call, char * Msg, int Len);
char * byte_base64_encode(char *str, int len);
void xdecodeblock( unsigned char in[4], unsigned char out[3] );
void FlushData(struct TNCINFO * TNC);
void CountRestarts(struct TNCINFO * TNC);
void StopTNC(struct TNCINFO * TNC);
int FreeDataConnect(struct TNCINFO * TNC, char * Call);
int FreeDataDisconnect(struct TNCINFO * TNC);
int FreeGetData(struct TNCINFO * TNC);
static void SendBeacon(struct TNCINFO * TNC, int Interval);
static char ClassName[]="FREEDATASTATUS";
static char WindowTitle[] = "FreeData Modem";
static int RigControlRow = 205;
#ifndef WIN32
#include <netinet/tcp.h>
#else
#include <commctrl.h>
#endif
extern char * PortConfig[33];
extern int SemHeldByAPI;
static RECT Rect;
extern struct TNCINFO * TNCInfo[41]; // Records are Malloc'd
static int ProcessLine(char * buf, int Port);
VOID WritetoTrace(struct TNCINFO * TNC, char * Msg, int Len);
#define MAXRXSIZE 512000 // Sets max size for file transfer (less base64 overhead
char * gen_uuid()
{
char v[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
int i;
//3fb17ebc-bc38-4939-bc8b-74f2443281d4
//8 dash 4 dash 4 dash 4 dash 12
static char buf[37] = {0};
//gen random for all spaces because lazy
for (i = 0; i < 36; ++i)
{
buf[i] = v[rand()%16];
}
//put dashes in place
buf[8] = '-';
buf[13] = '-';
buf[18] = '-';
buf[23] = '-';
//needs end byte
buf[36] = '\0';
return buf;
}
static int ProcessLine(char * buf, int Port)
{
UCHAR * ptr,* p_cmd;
char * p_ipad = 0;
char * p_port = 0;
unsigned short WINMORport = 0;
int BPQport;
int len=510;
struct TNCINFO * TNC = TNCInfo[Port];
char errbuf[256];
strcpy(errbuf, buf);
ptr = strtok(buf, " \t\n\r");
if (ptr == NULL) return (TRUE);
if (*ptr =='#') return (TRUE); // comment
if (*ptr ==';') return (TRUE); // comment
if (_stricmp(buf, "ADDR"))
return FALSE; // Must start with ADDR
ptr = strtok(NULL, " \t\n\r");
BPQport = Port;
p_ipad = ptr;
TNC = TNCInfo[BPQport] = malloc(sizeof(struct TNCINFO));
memset(TNC, 0, sizeof(struct TNCINFO));
TNC->FreeDataInfo = zalloc(sizeof(struct FreeDataINFO));
// TNC->FreeDataInfo->useBaseCall = 1; // Default
TNC->InitScript = malloc(1000);
TNC->InitScript[0] = 0;
if (p_ipad == NULL)
p_ipad = strtok(NULL, " \t\n\r");
if (p_ipad == NULL) return (FALSE);
p_port = strtok(NULL, " \t\n\r");
if (p_port == NULL) return (FALSE);
WINMORport = atoi(p_port);
TNC->TCPPort = WINMORport;
TNC->destaddr.sin_family = AF_INET;
TNC->destaddr.sin_port = htons(WINMORport);
TNC->Datadestaddr.sin_family = AF_INET;
TNC->Datadestaddr.sin_port = htons(WINMORport+1);
TNC->HostName = malloc(strlen(p_ipad)+1);
if (TNC->HostName == NULL) return TRUE;
strcpy(TNC->HostName,p_ipad);
ptr = strtok(NULL, " \t\n\r");
if (ptr)
{
if (_stricmp(ptr, "PTT") == 0)
{
ptr = strtok(NULL, " \t\n\r");
if (ptr)
{
DecodePTTString(TNC, ptr);
ptr = strtok(NULL, " \t\n\r");
}
}
}
if (ptr)
{
if (_memicmp(ptr, "PATH", 4) == 0)
{
p_cmd = strtok(NULL, "\n\r");
if (p_cmd) TNC->ProgramPath = _strdup(p_cmd);
}
}
// Read Initialisation lines
while(TRUE)
{
if (GetLine(buf) == 0)
return TRUE;
strcpy(errbuf, buf);
if (memcmp(buf, "****", 4) == 0)
return TRUE;
ptr = strchr(buf, ';');
if (ptr)
{
*ptr++ = 13;
*ptr = 0;
}
if (_memicmp(buf, "CAPTURE", 7) == 0)
{
TNC->FreeDataInfo->Capture = _strdup(&buf[8]);
strlop(TNC->FreeDataInfo->Capture, 13);
}
else if (_memicmp(buf, "PLAYBACK", 8) == 0)
{
TNC->FreeDataInfo->Playback = _strdup(&buf[9]);
strlop(TNC->FreeDataInfo->Playback, 13);
}
else if (_memicmp(buf, "LOGDIR ", 7) == 0)
TNC->LogPath = _strdup(&buf[7]);
else if (_memicmp(buf, "HAMLIBHOST", 10) == 0)
{
TNC->FreeDataInfo->hamlibHost = _strdup(&buf[11]);
strlop(TNC->FreeDataInfo->hamlibHost, 13);
}
else if (_memicmp(buf, "TuningRange", 11) == 0)
TNC->FreeDataInfo->TuningRange = atoi(&buf[12]);
else if (_memicmp(buf, "LimitBandWidth", 14) == 0)
TNC->FreeDataInfo->LimitBandWidth = atoi(&buf[14]);
else if (_memicmp(buf, "HAMLIBPORT", 10) == 0)
TNC->FreeDataInfo->hamlibPort = atoi(&buf[11]);
else if (_memicmp(buf, "USEBASECALL", 11) == 0)
TNC->FreeDataInfo->useBaseCall = atoi(&buf[12]);
else if (_memicmp(buf, "RXDIRECTORY", 11) == 0)
{
TNC->FreeDataInfo->RXDir = _strdup(&buf[12]);
strlop(TNC->FreeDataInfo->RXDir, 13);
}
else if (standardParams(TNC, buf) == FALSE)
strcat(TNC->InitScript, buf);
}
return (TRUE);
}
char * Config;
static char * ptr1, * ptr2;
int FreeDataGetLine(char * buf)
{
loop:
if (ptr2 == NULL)
return 0;
memcpy(buf, ptr1, ptr2 - ptr1 + 2);
buf[ptr2 - ptr1 + 2] = 0;
ptr1 = ptr2 + 2;
ptr2 = strchr(ptr1, 13);
if (buf[0] < 0x20) goto loop;
if (buf[0] == '#') goto loop;
if (buf[0] == ';') goto loop;
if (buf[strlen(buf)-1] < 0x20) buf[strlen(buf)-1] = 0;
if (buf[strlen(buf)-1] < 0x20) buf[strlen(buf)-1] = 0;
buf[strlen(buf)] = 13;
return 1;
}
BOOL FreeDataReadConfigFile(int Port, int ProcLine())
{
char buf[256],errbuf[256];
Config = PortConfig[Port];
if (Config)
{
// Using config from bpq32.cfg
if (strlen(Config) == 0)
{
return TRUE;
}
ptr1 = Config;
ptr2 = strchr(ptr1, 13);
if (!ProcLine(buf, Port))
{
WritetoConsoleLocal("\n");
WritetoConsoleLocal("Bad config record ");
WritetoConsoleLocal(errbuf);
}
}
else
{
sprintf(buf," ** Error - No Configuration info in bpq32.cfg");
WritetoConsoleLocal(buf);
}
return (TRUE);
}
VOID SuspendOtherPorts(struct TNCINFO * ThisTNC);
VOID ReleaseOtherPorts(struct TNCINFO * ThisTNC);
VOID WritetoTrace(struct TNCINFO * TNC, char * Msg, int Len);
#define MAXBPQPORTS 32
static time_t ltime;
static VOID SendToTNC(struct TNCINFO * TNC, int Stream, UCHAR * Encoded, int EncLen)
{
if (TNC->hDevice)
{
// FreeData mode. Queue to Hostmode driver
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr->Len = EncLen;
memcpy(&buffptr->Data[0], Encoded, EncLen);
C_Q_ADD(&TNC->Streams[Stream].BPQtoPACTOR_Q, buffptr);
TNC->Streams[Stream].FramesQueued++;
return;
}
}
VOID FreeDataChangeMYC(struct TNCINFO * TNC, char * Call)
{
UCHAR TXMsg[100];
int datalen;
if (strcmp(Call, TNC->CurrentMYC) == 0)
return; // No Change
strcpy(TNC->CurrentMYC, Call);
datalen = sprintf(TXMsg, "MYCALL %s\r", Call);
// FreeDataSendCommand(TNC, TXMsg);
}
static size_t ExtProc(int fn, int port, PDATAMESSAGE buff)
{
int datalen;
PMSGWITHLEN buffptr;
// char txbuff[500];
unsigned int txlen = 0;
UCHAR * TXMsg;
size_t Param;
int Stream = 0;
HKEY hKey=0;
struct TNCINFO * TNC = TNCInfo[port];
struct STREAMINFO * STREAM = &TNC->Streams[0];
struct ScanEntry * Scan;
if (TNC == NULL)
return 0; // Port not defined
switch (fn)
{
case 7:
// 100 mS Timer. May now be needed, as Poll can be called more frequently in some circumstances
SendPoll(TNC);
// Check for buffered data to send
if (TNC->FreeDataInfo->toSendTimeout)
{
TNC->FreeDataInfo->toSendTimeout--;
if (TNC->FreeDataInfo->toSendTimeout <= 0)
FlushData(TNC);
}
return 0;
case 1: // poll
// FreeDataCheckRX(TNC);
if (TNC->DAEMONCONNECTED == FALSE && TNC->DAEMONCONNECTING == FALSE)
{
// See if time to reconnect
time(&ltime);
if (ltime - TNC->lasttime > 9 )
{
TNC->lasttime = ltime;
ConnecttoFreeData(port);
}
}
while (TNC->PortRecord->UI_Q)
{
int datalen;
char * Buffer;
char FECMsg[512];
char Call[12] = " ";
struct _MESSAGE * buffptr;
int CallLen;
char * ptr = FECMsg;
buffptr = Q_REM(&TNC->PortRecord->UI_Q);
/* if (TNC->CONNECTED == 0 ||
TNC->Streams[0].Connecting ||
TNC->Streams[0].Connected)
{
// discard if TNC not connected or sesison active
ReleaseBuffer(buffptr);
continue;
}
*/
datalen = buffptr->LENGTH - MSGHDDRLEN;
Buffer = &buffptr->DEST[0]; // Raw Frame
Buffer[datalen] = 0;
// Frame has ax.25 format header. Convert to Text
CallLen = ConvFromAX25(Buffer + 7, Call); // Origin
memcpy(ptr, Call, CallLen);
ptr += CallLen;
*ptr++ = '!';
CallLen = ConvFromAX25(Buffer, Call); // Dest
memcpy(ptr, Call, CallLen);
ptr += CallLen;
Buffer += 14; // TO Digis
datalen -= 14;
while ((Buffer[-1] & 1) == 0)
{
*ptr++ = ',';
CallLen = ConvFromAX25(Buffer, Call);
memcpy(ptr, Call, CallLen);
ptr += CallLen;
Buffer += 7; // End of addr
datalen -= 7;
}
*ptr++ = '_';
*ptr++ = 'U'; // UI Frame
*ptr++ = 0; // delimit calls
if (Buffer[0] == 3) // UI
{
Buffer += 2;
datalen -= 2;
}
// FreeDataSendSingleData(TNC, FECMsg, Buffer, datalen);
ReleaseBuffer(buffptr);
}
if (TNC->DiscPending)
{
TNC->DiscPending--;
if (TNC->DiscPending == 0)
{
// Too long in Disc Pending - Kill and Restart TNC
}
}
for (Stream = 0; Stream <= 2; Stream++)
{
STREAM = &TNC->Streams[Stream];
if (STREAM->NeedDisc)
{
STREAM->NeedDisc--;
if (STREAM->NeedDisc == 0)
{
// Send the DISCONNECT
FreeDataDisconnect(TNC);
strcpy(TNC->WEB_TNCSTATE, "Disconnecting");
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
}
}
if (TNC->PortRecord->ATTACHEDSESSIONS[Stream] && STREAM->Attached == 0)
{
// New Attach
int calllen;
char Msg[80];
Debugprintf("FreeData New Attach Stream %d", Stream);
STREAM->Attached = TRUE;
calllen = ConvFromAX25(TNC->PortRecord->ATTACHEDSESSIONS[Stream]->L4USER, STREAM->MyCall);
TNC->Streams[Stream].MyCall[calllen] = 0;
FreeDataChangeMYC(TNC, TNC->Streams[0].MyCall);
// Stop other ports in same group
SuspendOtherPorts(TNC);
sprintf(TNC->WEB_TNCSTATE, "In Use by %s", STREAM->MyCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
// Stop Scanning
sprintf(Msg, "%d SCANSTOP", TNC->Port);
Rig_Command(-1, Msg);
}
if (STREAM->Attached)
CheckForDetach(TNC, Stream, STREAM, TidyClose, ForcedClose, CloseComplete);
}
// See if any frames for this port
for (Stream = 0; Stream <= 2; Stream++)
{
STREAM = &TNC->Streams[Stream];
if (STREAM->BPQtoPACTOR_Q)
{
PMSGWITHLEN buffptr = (PMSGWITHLEN)Q_REM(&STREAM->BPQtoPACTOR_Q);
UCHAR * data = &buffptr->Data[0];
STREAM->FramesQueued--;
txlen = (int)buffptr->Len;
SendAsFile(TNC, TNC->FreeDataInfo->farCall, data, txlen);
}
if (STREAM->PACTORtoBPQ_Q != 0)
{
buffptr = (PMSGWITHLEN)Q_REM(&STREAM->PACTORtoBPQ_Q);
datalen = (int)buffptr->Len;
buff->PORT = Stream; // Compatibility with Kam Driver
buff->PID = 0xf0;
memcpy(&buff->L2DATA, &buffptr->Data[0], datalen); // Data goes to + 7, but we have an extra byte
datalen += sizeof(void *) + 4;
PutLengthinBuffer(buff, datalen);
ReleaseBuffer(buffptr);
return (1);
}
if (STREAM->ReportDISC) // May need a delay so treat as a counter
{
STREAM->ReportDISC--;
if (STREAM->ReportDISC == 0)
{
buff->PORT = Stream;
// STREAM->Connected = 0;
// STREAM->Attached = 0;
return -1;
}
}
}
return (0);
case 2: // send
Stream = buff->PORT;
if (!TNC->TNCCONNECTED)
{
// Send Error Response
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr == 0) return (0); // No buffers, so ignore
buffptr->Len = 36;
memcpy(&buffptr->Data[0], "No Connection to TNC\r", 36);
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
return 0; // Don't try if not connected
}
STREAM = &TNC->Streams[Stream];
if (TNC->SwallowSignon)
{
TNC->SwallowSignon = FALSE; // Discard *** connected
return 0;
}
txlen = GetLengthfromBuffer(buff) - (MSGHDDRLEN + 1); // 1 as no PID
TXMsg = &buff->L2DATA[0];
TXMsg[txlen] = 0;
if (STREAM->Connected)
{
STREAM->PacketsSent++;
SendDataMsg(TNC, TNC->FreeDataInfo->farCall, buff->L2DATA, txlen);
return 1;
}
if (TNC->FreeDataInfo->Chat)
{
// Chat Mode - Send to other end
char reply[512] = "m";
char * p;
int Len;
if (_stricmp(TXMsg, "/ex\r") == 0)
{
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
TNC->FreeDataInfo->Chat = 0;
if (buffptr)
{
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "FreeData} Chat with %s ended. \r", TNC->FreeDataInfo->ChatCall);
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
return 0;
}
// Send as chat message
//m<>;send_message<67>;123<32>;64730c5c-d32c-47b4-9b11-c958fd07a185<38>;hhhhhhhhhhhhhhhhhh
//<2F>;<3B>;plain/text<78>;
strlop(TXMsg, 13);
strcpy(&reply[2], ";send_message");
strcpy(&reply[16], ";123");
reply[21] = ';';
strcpy(&reply[22], gen_uuid());
sprintf(&reply[59], ";%s\n", TXMsg);
p = strchr(&reply[59], 0);
p[1] = ';';
strcpy(&p[3], ";plain/text");
p[15] = ';';
Len = &p[16] - reply;
SendAsRaw(TNC, TNC->FreeDataInfo->ChatCall, "", reply, Len);
return 0;
}
if (_memicmp(&buff->L2DATA[0], "D\r", 2) == 0 || _memicmp(&buff->L2DATA[0], "BYE\r", 4) == 0)
{
STREAM->ReportDISC = TRUE; // Tell Node
TNC->FreeDataInfo->Chat = 0;
return 0;
}
// See if Local command (eg RADIO)
if (_memicmp(&buff->L2DATA[0], "RADIO ", 6) == 0)
{
sprintf(&buff->L2DATA[0], "%d %s", TNC->Port, &buff->L2DATA[6]);
if (Rig_Command(TNC->PortRecord->ATTACHEDSESSIONS[0]->L4CROSSLINK->CIRCUITINDEX, &buff->L2DATA[0]))
{
}
else
{
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr == 0) return 1; // No buffers, so ignore
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "%s", &buff->L2DATA[0]);
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
return 1;
}
if (_memicmp(&buff->L2DATA[0], "OVERRIDEBUSY", 12) == 0)
{
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
TNC->OverrideBusy = TRUE;
if (buffptr)
{
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "FreeData} OK\r");
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
return 0;
}
if (_memicmp(&buff->L2DATA[0], "PING ", 5) == 0)
{
char * Call = &buff->L2DATA[5];
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
strlop(Call, 13);
strlop(Call, ' ');
SendPing(TNC, _strupr(Call));
if (buffptr)
{
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "FreeData} Ping Sent\r");
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
return 0;
}
if (_memicmp(&buff->L2DATA[0], "CQ", 2) == 0)
{
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
SendCQ(TNC);
if (buffptr)
{
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "FreeData} CQ Sent\r");
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
return 0;
}
if (_memicmp(&buff->L2DATA[0], "CHAT ", 5) == 0)
{
char * Call = &buff->L2DATA[5];
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
strlop(Call, 13);
strlop(Call, ' ');
TNC->FreeDataInfo->Chat = 1;
memcpy(TNC->FreeDataInfo->ChatCall, _strupr(Call), 10);
if (buffptr)
{
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "FreeData} Chat with %s. Enter /ex to exit\r", Call);
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
return 0;
}
if (_memicmp(&TXMsg[0], "BEACON ", 7) == 0)
{
int Interval = atoi(&TXMsg[7]);
PMSGWITHLEN buffptr = (PMSGWITHLEN)GetBuff();
SendBeacon(TNC, Interval);
if (buffptr)
{
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "FreeData} Ok\r");
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
return 0;
}
// See if a Connect Command.
if (toupper(buff->L2DATA[0]) == 'C' && buff->L2DATA[1] == ' ' && txlen > 2) // Connect
{
char Connect[80];
char loppedCall[10];
char toCall[10];
char * ptr = strchr(&buff->L2DATA[2], 13);
if (ptr)
*ptr = 0;
// FreeDATA doesn't have the concept of a connection, so need to simulate it between the nodes
_strupr(&buff->L2DATA[2]);
if (strlen(&buff->L2DATA[2]) > 9)
buff->L2DATA[11] = 0;
strcpy(TNC->FreeDataInfo->toCall, &buff->L2DATA[2]);
strcpy(loppedCall, TNC->FreeDataInfo->toCall);
if (TNC->FreeDataInfo->useBaseCall)
strlop(loppedCall, '-');
strcpy(TNC->FreeDataInfo->farCall, loppedCall);
// MYCALL and Target call are end to end concepts - the TNC cam can only use one call, set at TNC start. and no SSID's
// Messages are sent at TNC level to the tnc call, so we send our tnc call to the other end
txlen = sprintf(Connect, "C %s %s %s ", &buff->L2DATA[2], STREAM->MyCall, TNC->FreeDataInfo->ourCall);
// See if Busy
/*
if (InterlockedCheckBusy(TNC))
{
// Channel Busy. Unless override set, wait
if (TNC->OverrideBusy == 0)
{
// Save Command, and wait up to 10 secs
sprintf(TNC->WEB_TNCSTATE, "Waiting for clear channel");
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
TNC->ConnectCmd = _strdup(Connect);
TNC->BusyDelay = TNC->BusyWait * 10; // BusyWait secs
return 0;
}
}
*/
TNC->OverrideBusy = FALSE;
memset(STREAM->RemoteCall, 0, 10);
strcpy(STREAM->RemoteCall, &buff->L2DATA[2]);
STREAM->ConnectTime = time(NULL);
STREAM->BytesRXed = STREAM->BytesTXed = STREAM->PacketsSent = 0;
sprintf(TNC->WEB_TNCSTATE, "%s Connecting to %s", STREAM->MyCall, STREAM->RemoteCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
// FreeDataSendCommand(TNC, Connect);
FreeDataConnect(TNC, STREAM->RemoteCall);
STREAM->Connecting = TRUE;
return 0;
}
// Normal data. Send to TNC
// The TNC doesn't have any commands, so send error message
buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr)
{
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "FreeData} Not connected\r");
C_Q_ADD(&TNC->Streams[Stream].PACTORtoBPQ_Q, buffptr);
}
// strlop(buff->L2DATA, 13);
// txlen = SendDataMsg(TNC, TNC->, buff->L2DATA);
// FreeDataSendData(TNC, TXMsg, txlen);
return 0;
case 3:
// CHECK IF OK TO SEND (And check TNC Status)
Stream = (int)(size_t)buff;
// FreeData TNC can buffer unlimited data
if (TNC->Streams[Stream].Attached == 0)
return (TNC->TNCCONNECTED != 0) << 8 | 1;
return ((TNC->TNCCONNECTED != 0) << 8 | TNC->Streams[Stream].Disconnecting << 15); // OK
case 4: // reinit7
return 0;
case 5: // Close
StopTNC(TNC);
return 0;
case 6: // Scan Stop Interface
Param = (size_t)buff;
if (Param == 2) // Check Permission (Shouldn't happen)
{
Debugprintf("Scan Check Permission called on FreeDATA");
return 1; // OK to change
}
if (Param == 1) // Request Permission
{
if (!TNC->CONNECTED)
return 0; // No connection so no interlock
if (TNC->ConnectPending == 0 && TNC->PTTState == 0)
{
TNC->FreeDataInfo->CONOK = 0;
TNC->GavePermission = TRUE;
return 0; // OK to Change
}
if (TNC->ConnectPending)
TNC->ConnectPending--; // Time out if set too long
return TRUE;
}
if (Param == 3) // Release Permission
{
if (TNC->GavePermission)
{
TNC->GavePermission = FALSE;
if (TNC->ARDOPCurrentMode[0] != 'S') // Skip
TNC->FreeDataInfo->CONOK = 1;
}
return 0;
}
// Param is Address of a struct ScanEntry
Scan = (struct ScanEntry *)buff;
return 0;
}
return 0;
}
VOID FreeDataReleaseTNC(struct TNCINFO * TNC)
{
// Set mycall back to Node or Port Call, and Start Scanner
UCHAR TXMsg[1000];
FreeDataChangeMYC(TNC, TNC->NodeCall);
// Start Scanner
sprintf(TXMsg, "%d SCANSTART 15", TNC->Port);
Rig_Command(-1, TXMsg);
ReleaseOtherPorts(TNC);
}
VOID FreeDataSuspendPort(struct TNCINFO * TNC)
{
TNC->FreeDataInfo->CONOK = 0;
}
VOID FreeDataReleasePort(struct TNCINFO * TNC)
{
TNC->FreeDataInfo->CONOK = 1;
}
static int WebProc(struct TNCINFO * TNC, char * Buff, BOOL LOCAL)
{
int Len = sprintf(Buff, "<html><meta http-equiv=expires content=0><meta http-equiv=refresh content=15>"
"<script type=\"text/javascript\">\r\n"
"function ScrollOutput()\r\n"
"{var textarea = document.getElementById('textarea');"
"textarea.scrollTop = textarea.scrollHeight;}</script>"
"</head><title>FreDATA Status</title></head><body id=Text onload=\"ScrollOutput()\">"
"<h2><form method=post target=\"POPUPW\" onsubmit=\"POPUPW = window.open('about:blank','POPUPW',"
"'width=440,height=150');\" action=ARDOPAbort?%d>FreeData Status"
"<input name=Save value=\"Abort Session\" type=submit style=\"position: absolute; right: 20;\"></form></h2>",
TNC->Port);
Len += sprintf(&Buff[Len], "<table style=\"text-align: left; width: 500px; font-family: monospace; align=center \" border=1 cellpadding=2 cellspacing=2>");
Len += sprintf(&Buff[Len], "<tr><td width=110px>Comms State</td><td>%s</td></tr>", TNC->WEB_COMMSSTATE);
Len += sprintf(&Buff[Len], "<tr><td>TNC State</td><td>%s</td></tr>", TNC->WEB_TNCSTATE);
Len += sprintf(&Buff[Len], "<tr><td>Mode</td><td>%s</td></tr>", TNC->WEB_MODE);
Len += sprintf(&Buff[Len], "<tr><td>Channel State</td><td>%s</td></tr>", TNC->WEB_CHANSTATE);
Len += sprintf(&Buff[Len], "<tr><td>Proto State</td><td>%s</td></tr>", TNC->WEB_PROTOSTATE);
Len += sprintf(&Buff[Len], "<tr><td>Traffic</td><td>%s</td></tr>", TNC->WEB_TRAFFIC);
// Len += sprintf(&Buff[Len], "<tr><td>TNC Restarts</td><td></td></tr>", TNC->WEB_RESTARTS);
Len += sprintf(&Buff[Len], "</table>");
Len += sprintf(&Buff[Len], "<textarea rows=10 style=\"width:500px; height:250px;\" id=textarea >%s</textarea>", TNC->WebBuffer);
Len = DoScanLine(TNC, Buff, Len);
return Len;
}
#ifndef LINBPQ
#define BGCOLOUR RGB(236,233,216)
static HBRUSH RedBrush = NULL;
HBRUSH GreenBrush;
HBRUSH BlueBrush;
static HBRUSH bgBrush = NULL;
extern HWND ClientWnd, FrameWnd;
extern int OffsetH, OffsetW;
extern HMENU hMainFrameMenu;
extern HMENU hBaseMenu;
extern HANDLE hInstance;
extern HKEY REGTREE;
/*
static LRESULT CALLBACK PacWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
MINMAXINFO * mmi;
PAINTSTRUCT ps;
HDC hdc;
int i;
struct TNCINFO * TNC;
HKEY hKey;
char Key[80];
int retCode, disp;
for (i=0; i<41; i++)
{
TNC = TNCInfo[i];
if (TNC == NULL)
continue;
if (TNC->hDlg == hWnd)
break;
}
if (TNC == NULL)
return DefMDIChildProc(hWnd, message, wParam, lParam);
switch (message) {
case WM_CREATE:
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// SelectObject(ps.hdc, RedBrush);
SelectObject(ps.hdc, GreenBrush);
// SelectObject(ps.hdc, GetStockObject(GRAY_BRUSH));
EndPaint(hWnd, &ps);
break;
case WM_GETMINMAXINFO:
if (TNC->ClientHeight)
{
mmi = (MINMAXINFO *)lParam;
mmi->ptMaxSize.x = TNC->ClientWidth;
mmi->ptMaxSize.y = TNC->ClientHeight;
mmi->ptMaxTrackSize.x = TNC->ClientWidth;
mmi->ptMaxTrackSize.y = TNC->ClientHeight;
}
break;
case WM_MDIACTIVATE:
{
// Set the system info menu when getting activated
if (lParam == (LPARAM) hWnd)
{
// Activate
RemoveMenu(hBaseMenu, 1, MF_BYPOSITION);
if (TNC->hMenu)
AppendMenu(hBaseMenu, MF_STRING + MF_POPUP, (UINT)TNC->hMenu, "Actions");
SendMessage(ClientWnd, WM_MDISETMENU, (WPARAM) hBaseMenu, (LPARAM) hWndMenu);
// SendMessage(ClientWnd, WM_MDISETMENU, (WPARAM) TNC->hMenu, (LPARAM) TNC->hWndMenu);
}
else
{
// Deactivate
SendMessage(ClientWnd, WM_MDISETMENU, (WPARAM) hMainFrameMenu, (LPARAM) NULL);
}
// call DrawMenuBar after the menu items are set
DrawMenuBar(FrameWnd);
return DefMDIChildProc(hWnd, message, wParam, lParam);
}
case WM_INITMENUPOPUP:
if (wParam == (WPARAM)TNC->hMenu)
{
if (TNC->ProgramPath)
{
if (strstr(TNC->ProgramPath, " TNC") || strstr(TNC->ProgramPath, "ARDOP") || strstr(TNC->ProgramPath, "VARA"))
{
EnableMenuItem(TNC->hMenu, WINMOR_RESTART, MF_BYCOMMAND | MF_ENABLED);
EnableMenuItem(TNC->hMenu, WINMOR_KILL, MF_BYCOMMAND | MF_ENABLED);
break;
}
}
EnableMenuItem(TNC->hMenu, WINMOR_RESTART, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(TNC->hMenu, WINMOR_KILL, MF_BYCOMMAND | MF_GRAYED);
}
break;
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
switch (wmId)
{
case WINMOR_KILL:
KillTNC(TNC);
break;
case WINMOR_RESTART:
KillTNC(TNC);
RestartTNC(TNC);
break;
case WINMOR_RESTARTAFTERFAILURE:
TNC->RestartAfterFailure = !TNC->RestartAfterFailure;
CheckMenuItem(TNC->hMenu, WINMOR_RESTARTAFTERFAILURE, (TNC->RestartAfterFailure) ? MF_CHECKED : MF_UNCHECKED);
sprintf(Key, "SOFTWARE\\G8BPQ\\BPQ32\\PACTOR\\PORT%d", TNC->Port);
retCode = RegCreateKeyEx(REGTREE, Key, 0, 0, 0, KEY_ALL_ACCESS, NULL, &hKey, &disp);
if (retCode == ERROR_SUCCESS)
{
RegSetValueEx(hKey,"TNC->RestartAfterFailure",0,REG_DWORD,(BYTE *)&TNC->RestartAfterFailure, 4);
RegCloseKey(hKey);
}
break;
case ARDOP_ABORT:
if (TNC->ForcedCloseProc)
TNC->ForcedCloseProc(TNC, 0);
break;
}
return DefMDIChildProc(hWnd, message, wParam, lParam);
case WM_SIZING:
case WM_SIZE:
MoveWindows(TNC);
return DefMDIChildProc(hWnd, message, wParam, lParam);
case WM_SYSCOMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
switch (wmId)
{
case SC_RESTORE:
TNC->Minimized = FALSE;
break;
case SC_MINIMIZE:
TNC->Minimized = TRUE;
break;
}
return DefMDIChildProc(hWnd, message, wParam, lParam);
case WM_CTLCOLORDLG:
return (LONG)bgBrush;
case WM_CTLCOLORSTATIC:
{
HDC hdcStatic = (HDC)wParam;
SetTextColor(hdcStatic, RGB(0, 0, 0));
SetBkMode(hdcStatic, TRANSPARENT);
return (LONG)bgBrush;
}
case WM_DESTROY:
break;
}
return DefMDIChildProc(hWnd, message, wParam, lParam);
}
*/
#endif
VOID * FreeDataExtInit(EXTPORTDATA * PortEntry)
{
int port;
char Msg[255];
char * ptr;
struct TNCINFO * TNC;
char * TempScript;
u_long param = 1;
int line;
srand(time(NULL));
port = PortEntry->PORTCONTROL.PORTNUMBER;
ReadConfigFile(port, ProcessLine);
TNC = TNCInfo[port];
if (TNC == NULL)
{
// Not defined in Config file
sprintf(Msg," ** Error - no info in BPQ32.cfg for this port\n");
WritetoConsole(Msg);
return ExtProc;
}
if (TNC->FreeDataInfo->TuningRange == 0)
TNC->FreeDataInfo->TuningRange = 50;
#ifndef LINBPQ
if (bgBrush == NULL)
{
bgBrush = CreateSolidBrush(BGCOLOUR);
RedBrush = CreateSolidBrush(RGB(255,0,0));
GreenBrush = CreateSolidBrush(RGB(0,255,0));
BlueBrush = CreateSolidBrush(RGB(0,0,255));
}
#endif
Consoleprintf("FreeData Host %s %d", TNC->HostName, TNC->TCPPort);
TNC->Port = port;
TNC->Hardware = H_FREEDATA;
TNC->ARDOPDataBuffer = malloc(MAXRXSIZE);
TNC->ARDOPBuffer = malloc(8192);
TNC->PortRecord = PortEntry;
if (PortEntry->PORTCONTROL.PORTCALL[0] == 0)
memcpy(TNC->NodeCall, MYNODECALL, 10);
else
ConvFromAX25(&PortEntry->PORTCONTROL.PORTCALL[0], TNC->NodeCall);
memcpy(TNC->FreeDataInfo->ourCall, TNC->NodeCall, 10);
strlop(TNC->FreeDataInfo->ourCall, ' ');
if (TNC->FreeDataInfo->useBaseCall)
strlop(TNC->FreeDataInfo->ourCall, '-');
if (TNC->FreeDataInfo->hamlibHost == 0)
TNC->FreeDataInfo->hamlibHost = _strdup("127.0.0.1");
if (PortEntry->PORTCONTROL.PORTINTERLOCK && TNC->RXRadio == 0 && TNC->TXRadio == 0)
TNC->RXRadio = TNC->TXRadio = PortEntry->PORTCONTROL.PORTINTERLOCK;
PortEntry->PORTCONTROL.PROTOCOL = 10;
PortEntry->PORTCONTROL.PORTQUALITY = 0;
if (TNC->PacketChannels > 1)
TNC->PacketChannels = 1;
PortEntry->MAXHOSTMODESESSIONS = TNC->PacketChannels + 1;
PortEntry->SCANCAPABILITIES = SIMPLE; // Scan Control - pending connect only
PortEntry->PERMITGATEWAY = TRUE; // Can change ax.25 call on each stream
PortEntry->PORTCONTROL.UICAPABLE = TRUE;
if (PortEntry->PORTCONTROL.PORTPACLEN == 0)
PortEntry->PORTCONTROL.PORTPACLEN = 236;
TNC->SuspendPortProc = FreeDataSuspendPort;
TNC->ReleasePortProc = FreeDataReleasePort;
// PortEntry->PORTCONTROL.PORTSTARTCODE = KAMStartPort;
// PortEntry->PORTCONTROL.PORTSTOPCODE = KAMStopPort;
ptr=strchr(TNC->NodeCall, ' ');
if (ptr) *(ptr) = 0; // Null Terminate
// Set Essential Params and MYCALL
// Put overridable ones on front, essential ones on end
TempScript = zalloc(1000);
// cant think of any yet
if (TNC->InitScript)
{
strcat(TempScript, TNC->InitScript);
free(TNC->InitScript);
}
TNC->InitScript = TempScript;
// Set MYCALL
sprintf(Msg, "MYCALL %s\r", TNC->NodeCall);
strcat(TNC->InitScript, Msg);
strcpy(TNC->CurrentMYC, TNC->NodeCall);
if (TNC->WL2K == NULL)
if (PortEntry->PORTCONTROL.WL2KInfo.RMSCall[0]) // Alrerady decoded
TNC->WL2K = &PortEntry->PORTCONTROL.WL2KInfo;
PortEntry->PORTCONTROL.TNC = TNC;
TNC->WebWindowProc = WebProc;
TNC->WebWinX = 520;
TNC->WebWinY = 500;
TNC->WebBuffer = zalloc(5000);
TNC->WEB_COMMSSTATE = zalloc(100);
TNC->WEB_TNCSTATE = zalloc(100);
TNC->WEB_CHANSTATE = zalloc(100);
TNC->WEB_BUFFERS = zalloc(100);
TNC->WEB_PROTOSTATE = zalloc(100);
TNC->WEB_RESTARTTIME = zalloc(100);
TNC->WEB_RESTARTS = zalloc(100);
TNC->WEB_MODE = zalloc(20);
TNC->WEB_TRAFFIC = zalloc(100);
#ifndef LINBPQ
line = 6;
if (TNC->TXFreq)
{
CreatePactorWindow(TNC, ClassName, WindowTitle, RigControlRow + 22, PacWndProc, 500, 450, ForcedClose);
InitCommonControls(); // loads common control's DLL
CreateWindowEx(0, "STATIC", "TX Tune", WS_CHILD | WS_VISIBLE, 10,line,120,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_TXTUNE = CreateWindowEx(0, TRACKBAR_CLASS, "", WS_CHILD | WS_VISIBLE, 116,line,200,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_TXTUNEVAL = CreateWindowEx(0, "STATIC", "0", WS_CHILD | WS_VISIBLE, 320,line,30,20, TNC->hDlg, NULL, hInstance, NULL);
SendMessage(TNC->xIDC_TXTUNE, TBM_SETRANGE, (WPARAM) TRUE, (LPARAM) MAKELONG(-200, 200)); // min. & max. positions
line += 22;
}
else
CreatePactorWindow(TNC, ClassName, WindowTitle, RigControlRow, PacWndProc, 500, 450, ForcedClose);
CreateWindowEx(0, "STATIC", "Comms State", WS_CHILD | WS_VISIBLE, 10,line,120,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_COMMSSTATE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 116,line,450,20, TNC->hDlg, NULL, hInstance, NULL);
line += 22;
CreateWindowEx(0, "STATIC", "TNC State", WS_CHILD | WS_VISIBLE, 10,line,106,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_TNCSTATE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 116,line,520,20, TNC->hDlg, NULL, hInstance, NULL);
line += 22;
CreateWindowEx(0, "STATIC", "Mode", WS_CHILD | WS_VISIBLE, 10,line,80,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_MODE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 116,line,200,20, TNC->hDlg, NULL, hInstance, NULL);
line += 22;
CreateWindowEx(0, "STATIC", "Channel State", WS_CHILD | WS_VISIBLE, 10,line,110,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_CHANSTATE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 116,line,144,20, TNC->hDlg, NULL, hInstance, NULL);
line += 22;
CreateWindowEx(0, "STATIC", "Proto State", WS_CHILD | WS_VISIBLE,10,line,80,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_PROTOSTATE = CreateWindowEx(0, "STATIC", "", WS_CHILD | WS_VISIBLE,116,line,374,20 , TNC->hDlg, NULL, hInstance, NULL);
line += 22;
CreateWindowEx(0, "STATIC", "Traffic", WS_CHILD | WS_VISIBLE,10,line,80,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_TRAFFIC = CreateWindowEx(0, "STATIC", "0 0 0 0", WS_CHILD | WS_VISIBLE,116,line,374,20 , TNC->hDlg, NULL, hInstance, NULL);
line += 22;
CreateWindowEx(0, "STATIC", "TNC Restarts", WS_CHILD | WS_VISIBLE,10,line,100,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_RESTARTS = CreateWindowEx(0, "STATIC", "0", WS_CHILD | WS_VISIBLE,116,line,20,20 , TNC->hDlg, NULL, hInstance, NULL);
CreateWindowEx(0, "STATIC", "Last Restart", WS_CHILD | WS_VISIBLE,140,line,100,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->xIDC_RESTARTTIME = CreateWindowEx(0, "STATIC", "Never", WS_CHILD | WS_VISIBLE,250,line,200,20, TNC->hDlg, NULL, hInstance, NULL);
TNC->hMonitor= CreateWindowEx(0, "LISTBOX", "", WS_CHILD | WS_VISIBLE | LBS_NOINTEGRALHEIGHT |
LBS_DISABLENOSCROLL | WS_HSCROLL | WS_VSCROLL,
0,170,250,300, TNC->hDlg, NULL, hInstance, NULL);
TNC->ClientHeight = 450;
TNC->ClientWidth = 500;
TNC->hMenu = CreatePopupMenu();
AppendMenu(TNC->hMenu, MF_STRING, WINMOR_KILL, "Kill TNC TNC");
AppendMenu(TNC->hMenu, MF_STRING, WINMOR_RESTART, "Kill and Restart TNC TNC");
AppendMenu(TNC->hMenu, MF_STRING, WINMOR_RESTARTAFTERFAILURE, "Restart TNC after failed Connection");
CheckMenuItem(TNC->hMenu, WINMOR_RESTARTAFTERFAILURE, (TNC->RestartAfterFailure) ? MF_CHECKED : MF_UNCHECKED);
AppendMenu(TNC->hMenu, MF_STRING, ARDOP_ABORT, "Abort Current Session");
MoveWindows(TNC);
#endif
time(&TNC->lasttime); // Get initial time value
ConnecttoFreeData(port);
TNC->FreeDataInfo->CONOK = 1;
return ExtProc;
}
VOID TidyClose(struct TNCINFO * TNC, int Stream)
{
// We don't get data acks, so can't check for bytes outstanding
FreeDataDisconnect(TNC);
}
VOID ForcedClose(struct TNCINFO * TNC, int Stream)
{
FreeDataDisconnect(TNC);
}
VOID CloseComplete(struct TNCINFO * TNC, int Stream)
{
if (Stream == 0)
{
FreeDataReleaseTNC(TNC);
}
}
VOID FreeDataAbort(struct TNCINFO * TNC)
{
FreeDataSendCommand(TNC, "ABORT\r");
}
// Host Mode Stuff (we reuse some routines in SCSPactor)
VOID FreeDataDoTermModeTimeout(struct TNCINFO * TNC)
{
UCHAR * Poll = TNC->TXBuffer;
if (TNC->ReinitState == 0)
{
//Checking if in Terminal Mode - Try to set back to Term Mode
TNC->ReinitState = 1;
return;
}
if (TNC->ReinitState == 1)
{
// Forcing back to Term Mode
TNC->ReinitState = 0;
return;
}
if (TNC->ReinitState == 3)
{
return;
}
}
static RECT Rect1 = {30, 160, 400, 195};
int zEncode(unsigned char * in, unsigned char * out, int len, unsigned char * Banned)
{
// Replace forbidden chars with =xx
unsigned char * ptr = out;
unsigned char c;
while (len--)
{
c = *(in++);
if (strchr(&Banned[0], c))
{
*(out++) = '=';
*(out++) = (c >> 4) + 'A';
*(out++) = (c & 15) + 'A';
}
else
*(out++) = c;
}
return (out - ptr);
}
VOID FreeDataProcessTNCMessage(struct TNCINFO * TNC, char * Call, unsigned char * Msg, int Len)
{
PMSGWITHLEN buffptr;
struct STREAMINFO * STREAM = &TNC->Streams[0];
struct FreeDataINFO * Modem = TNC->FreeDataInfo;
char * toCall, * fromCall, * tncCall, *Context;
char * ptr;
char a, b;
unsigned char axcall[7];
char AppName[13] = "";
APPLCALLS * APPL;
char * ApplPtr = APPLS;
int App;
char Appl[10];
struct WL2KInfo * WL2K = TNC->WL2K;
TRANSPORTENTRY * SESS;
// First Byte of Message is Type. Messages can be commands or short (<120) data packets
// Data is encoded with =xx replacing restricted chars
Msg[Len] = 0;
switch (Msg[0])
{
case 'C':
// Connect Request. C G8BPQ-10 GM8BPQ-2 (Target, Origin)
toCall = strtok_s(&Msg[2], " ", &Context);
fromCall = strtok_s(NULL, " ", &Context);
tncCall = strtok_s(NULL, " ", &Context);
strcpy(TNC->FreeDataInfo->farCall, tncCall);
ConvToAX25Ex(fromCall, axcall); // Allow -T and -R SSID's for MPS
// Check for ExcludeList
if (ExcludeList[0])
{
if (CheckExcludeList(axcall) == FALSE)
{
Debugprintf("FreeData Call from %s rejected", fromCall);
// Send 'd'
Sleep(1000);
FreeDataDisconnect(TNC);
return;
}
}
// IF WE HAVE A PERMITTED CALLS LIST, SEE IF HE IS IN IT
if (TNC->PortRecord->PORTCONTROL.PERMITTEDCALLS)
{
UCHAR * ptr = TNC->PortRecord->PORTCONTROL.PERMITTEDCALLS;
while (TRUE)
{
if (memcmp(axcall, ptr, 6) == 0) // Ignore SSID
break;
ptr += 7;
if ((*ptr) == 0) // Not in list
{
Sleep(1000);
FreeDataSendCommand(TNC, "d");
Debugprintf("FreeDara Call from %s not in ValidCalls - rejected", Call);
return;
}
}
}
// See which application the connect is for
for (App = 0; App < 32; App++)
{
APPL=&APPLCALLTABLE[App];
memcpy(Appl, APPL->APPLCALL_TEXT, 10);
ptr=strchr(Appl, ' ');
if (ptr)
*ptr = 0;
if (_stricmp(toCall, Appl) == 0)
break;
}
if (App < 32)
{
memcpy(AppName, &ApplPtr[App * sizeof(CMDX)], 12);
AppName[12] = 0;
// if SendTandRtoRelay set and Appl is RMS change to RELAY
if (TNC->SendTandRtoRelay && memcmp(AppName, "RMS ", 4) == 0
&& (strstr(Call, "-T" ) || strstr(Call, "-R")))
strcpy(AppName, "RELAY ");
// Make sure app is available
if (!CheckAppl(TNC, AppName))
{
Sleep(1000);
FreeDataSendCommand(TNC, "dApplication not Available");
return;
}
}
ProcessIncommingConnectEx(TNC, fromCall, 0, TRUE, TRUE);
SESS = TNC->PortRecord->ATTACHEDSESSIONS[0];
// if connect to an application, send command
if (AppName[0])
{
buffptr = GetBuff();
if (buffptr)
{
buffptr->Len = sprintf(buffptr->Data, "%s\r", AppName);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
TNC->SwallowSignon = TRUE;
}
}
TNC->ConnectPending = FALSE;
if (TNC->RIG && TNC->RIG != &TNC->DummyRig && strcmp(TNC->RIG->RigName, "PTT"))
{
sprintf(TNC->WEB_TNCSTATE, "%s Connected to %s Inbound Freq %s", TNC->Streams[0].RemoteCall, toCall, TNC->RIG->Valchar);
SESS->Frequency = (int)(atof(TNC->RIG->Valchar) * 1000000.0) + 1500; // Convert to Centre Freq
if (SESS->Frequency == 1500)
{
// try to get from WL2K record
if (WL2K)
{
SESS->Frequency = WL2K->Freq;
}
}
SESS->Mode = TNC->WL2KMode;
}
else
{
sprintf(TNC->WEB_TNCSTATE, "%s Connected to %s Inbound", TNC->Streams[0].RemoteCall, toCall);
if (WL2K)
{
SESS->Frequency = WL2K->Freq;
SESS->Mode = WL2K->mode;
}
}
if (WL2K)
strcpy(SESS->RMSCall, WL2K->RMSCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
STREAM->ConnectTime = time(NULL);
STREAM->BytesRXed = STREAM->BytesTXed = STREAM->PacketsSent = 0;
STREAM->Connected = TRUE;
// Send Connect ACK
Sleep(1000);
FreeDataSendCommand(TNC, "c");
return;
case 'c':
// Connect ACK
sprintf(TNC->WEB_TNCSTATE, "%s Connected to %s", STREAM->MyCall, STREAM->RemoteCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
STREAM->Connected = TRUE;
STREAM->Connecting = FALSE;
buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr->Len = sprintf(buffptr->Data, "*** Connected to %s\r", TNC->FreeDataInfo->toCall);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
STREAM->FramesQueued++;
return;
case 'D':
// Disconnect Command
FreeDataSendCommand(TNC, "d");
// Drop through to disconnect this end
case 'd':
// Disconnect complete (response to sending "D")
// Or connect refused in response to "C"
if (STREAM->Connecting)
{
// Connection Refused - If there is a message, pass to appl
sprintf(TNC->WEB_TNCSTATE, "In Use by %s", STREAM->MyCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
STREAM->Connecting = FALSE;
buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
if (Msg[1])
buffptr->Len = sprintf(buffptr->Data, "Connect Rejected - %s\r", &Msg[1]);
else
buffptr->Len = sprintf(buffptr->Data, "Connect Rejected\r");
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
STREAM->FramesQueued++;
return;
}
// Release Session
if (STREAM->Connected)
{
// Create a traffic record
char logmsg[120];
time_t Duration;
Duration = time(NULL) - STREAM->ConnectTime;
if (Duration == 0)
Duration = 1;
sprintf(logmsg,"Port %2d %9s Bytes Sent %d BPS %d Bytes Received %d BPS %d Time %d Seconds",
TNC->Port, STREAM->RemoteCall,
STREAM->BytesTXed, (int)(STREAM->BytesTXed/Duration),
STREAM->BytesRXed, (int)(STREAM->BytesRXed/Duration), (int)Duration);
Debugprintf(logmsg);
}
STREAM->Connected = FALSE; // Back to Command Mode
STREAM->ReportDISC = TRUE; // Tell Node
STREAM->Disconnecting = FALSE;
strcpy(TNC->WEB_TNCSTATE, "Free");
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
return;
case 'B':
// Was Base64, but has been expanded - just send to User
// If len > blocksize, fragment
Len--;
Msg++; // Remove Type
while (Len > 256)
{
buffptr = GetBuff();
buffptr->Len = 256;
memcpy(buffptr->Data, Msg, 256);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
WritetoTrace(TNC, Msg, 256);
Len -= 256;
Msg += 256;
STREAM->BytesRXed += 256;
}
buffptr = GetBuff();
buffptr->Len = Len;
memcpy(buffptr->Data, Msg, Len);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
WritetoTrace(TNC, Msg, Len);
STREAM->BytesRXed += Len;
sprintf(TNC->WEB_TRAFFIC, "Sent %d RXed %d Queued %d",
STREAM->BytesTXed - TNC->FreeDataInfo->toSendCount, STREAM->BytesRXed, TNC->FreeDataInfo->toSendCount);
MySetWindowText(TNC->xIDC_TRAFFIC, TNC->WEB_TRAFFIC);
return;
case 'I':
// Encoded Response
// Undo = transparency
ptr = Msg + 1;
while (ptr = strchr(ptr, '='))
{
// Next two chars are a hex value
a = ptr[1] - 'A';
b = ptr[2] - 'A';
memmove(ptr, ptr + 2, Len);
ptr[0] = (a << 4) + b;
ptr++;
}
buffptr = GetBuff();
buffptr->Len = sprintf(buffptr->Data, "%s", &Msg[1]);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
return;
case 'f':
// FreeDATA File Transfer
// Seems to be f null fn null data
//f.;Makefile.;.;123123123.;
{
char * FN;
time_t CRC;
int FileLen;
char Filename[256];
FILE * fp1;
unsigned char * ptr;
char Text[64];
int textLen;
if (TNC->FreeDataInfo->RXDir == NULL)
{
Debugprintf("FreeDATA RXDIRECTORY not set - file transfer ignored");
return;
}
FN = _strdup(&Msg[3]);
ptr = &Msg[4] + strlen(FN);
ptr = ptr + strlen(ptr) + 2;
CRC = atoi(ptr);
ptr = ptr + strlen(ptr) + 2;
FileLen = Len - (ptr - Msg);
sprintf(Filename, "%s\\%s", TNC->FreeDataInfo->RXDir, FN);
fp1 = fopen(Filename, "wb");
if (fp1)
{
fwrite(ptr, 1, FileLen, fp1);
fclose(fp1);
textLen = sprintf(Text, "File %s received from %s \r", FN, Call);
WritetoTrace(TNC, Text, textLen);
}
else
Debugprintf("FreeDATA - File %s create failed %s", Filename);
free(FN);
return;
}
}
if (STREAM->Attached == 0)
return;
buffptr = GetBuff();
if (buffptr == 0)
{
return; // No buffers, so ignore
}
buffptr->Len = sprintf((UCHAR *)&buffptr->Data[0], "%s", Msg);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
}
VOID FreeDataProcessNewConnect(struct TNCINFO * TNC, char * fromCall, char * toCall)
{
PMSGWITHLEN buffptr;
struct STREAMINFO * STREAM = &TNC->Streams[0];
struct FreeDataINFO * Modem = TNC->FreeDataInfo;
char * tncCall, *Context;
char * ptr;
char a, b;
unsigned char axcall[7];
char AppName[13] = "";
APPLCALLS * APPL;
char * ApplPtr = APPLS;
int App;
char Appl[10];
struct WL2KInfo * WL2K = TNC->WL2K;
TRANSPORTENTRY * SESS;
strcpy(TNC->FreeDataInfo->farCall, fromCall);
ConvToAX25Ex(fromCall, axcall); // Allow -T and -R SSID's for MPS
// Check for ExcludeList
if (ExcludeList[0])
{
if (CheckExcludeList(axcall) == FALSE)
{
Debugprintf("FreeData Call from %s rejected", fromCall);
// Send 'd'
Sleep(1000);
FreeDataDisconnect(TNC);
return;
}
}
// IF WE HAVE A PERMITTED CALLS LIST, SEE IF HE IS IN IT
if (TNC->PortRecord->PORTCONTROL.PERMITTEDCALLS)
{
UCHAR * ptr = TNC->PortRecord->PORTCONTROL.PERMITTEDCALLS;
while (TRUE)
{
if (memcmp(axcall, ptr, 6) == 0) // Ignore SSID
break;
ptr += 7;
if ((*ptr) == 0) // Not in list
{
Sleep(1000);
FreeDataDisconnect(TNC);
Debugprintf("FreeData Call from %s not in ValidCalls - rejected", fromCall);
return;
}
}
}
// The TNC responds to any SSID so we can use incomming call as Appl Call
// No we can't - it responds but reports the configured call not the called call
/*
// See which application the connect is for
for (App = 0; App < 32; App++)
{
APPL=&APPLCALLTABLE[App];
memcpy(Appl, APPL->APPLCALL_TEXT, 10);
ptr=strchr(Appl, ' ');
if (ptr)
*ptr = 0;
if (_stricmp(toCall, Appl) == 0)
break;
}
if (App < 32)
{
memcpy(AppName, &ApplPtr[App * sizeof(CMDX)], 12);
AppName[12] = 0;
// if SendTandRtoRelay set and Appl is RMS change to RELAY
if (TNC->SendTandRtoRelay && memcmp(AppName, "RMS ", 4) == 0
&& (strstr(fromCall, "-T" ) || strstr(fromCall, "-R")))
strcpy(AppName, "RELAY ");
// Make sure app is available
if (!CheckAppl(TNC, AppName))
{
Sleep(1000);
FreeDataSendCommand(TNC, "dApplication not Available");
return;
}
}
*/
ProcessIncommingConnectEx(TNC, fromCall, 0, TRUE, TRUE);
SESS = TNC->PortRecord->ATTACHEDSESSIONS[0];
// if connect to an application, send command
if (AppName[0])
{
buffptr = GetBuff();
if (buffptr)
{
buffptr->Len = sprintf(buffptr->Data, "%s\r", AppName);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
TNC->SwallowSignon = TRUE;
}
}
TNC->ConnectPending = FALSE;
if (TNC->RIG && TNC->RIG != &TNC->DummyRig && strcmp(TNC->RIG->RigName, "PTT"))
{
sprintf(TNC->WEB_TNCSTATE, "%s Connected to %s Inbound Freq %s", TNC->Streams[0].RemoteCall, toCall, TNC->RIG->Valchar);
SESS->Frequency = (int)(atof(TNC->RIG->Valchar) * 1000000.0) + 1500; // Convert to Centre Freq
if (SESS->Frequency == 1500)
{
// try to get from WL2K record
if (WL2K)
{
SESS->Frequency = WL2K->Freq;
}
}
SESS->Mode = TNC->WL2KMode;
}
else
{
sprintf(TNC->WEB_TNCSTATE, "%s Connected to %s Inbound", TNC->Streams[0].RemoteCall, toCall);
if (WL2K)
{
SESS->Frequency = WL2K->Freq;
SESS->Mode = WL2K->mode;
}
}
if (WL2K)
strcpy(SESS->RMSCall, WL2K->RMSCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
STREAM->ConnectTime = time(NULL);
STREAM->BytesRXed = STREAM->BytesTXed = STREAM->PacketsSent = 0;
STREAM->Connected = TRUE;
return;
}
VOID FreeDataProcessConnectAck(struct TNCINFO * TNC, char * Call, unsigned char * Msg, int Len)
{
PMSGWITHLEN buffptr;
struct STREAMINFO * STREAM = &TNC->Streams[0];
struct FreeDataINFO * Modem = TNC->FreeDataInfo;
char * toCall, * fromCall, * tncCall, *Context;
char * ptr;
char a, b;
unsigned char axcall[7];
char AppName[13] = "";
APPLCALLS * APPL;
char * ApplPtr = APPLS;
int App;
char Appl[10];
struct WL2KInfo * WL2K = TNC->WL2K;
TRANSPORTENTRY * SESS;
sprintf(TNC->WEB_TNCSTATE, "%s Connected to %s", STREAM->MyCall, STREAM->RemoteCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
STREAM->Connected = TRUE;
STREAM->Connecting = FALSE;
buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr->Len = sprintf(buffptr->Data, "*** Connected to %s\r", TNC->FreeDataInfo->toCall);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
STREAM->FramesQueued++;
return;
}
extern char LOC[7];
/*
Line 104: if received_json["type"] == 'PING' and received_json["command"] == "PING":
Line 111: if received_json["type"] == 'ARQ' and received_json["command"] == "sendFile":
Line 142: if received_json["type"] == 'ARQ' and received_json["command"] == "sendMessage":
Line 173: if received_json["type"] == 'ARQ' and received_json["command"] == "stopTransmission":
Line 182: if received_json["type"] == 'GET' and received_json["command"] == 'STATION_INFO':
Line 195: if received_json["type"] == 'GET' and received_json["command"] == 'TNC_STATE':
Line 244: if received_json["type"] == 'GET' and received_json["command"] == 'RX_BUFFER':
Line 258: if received_json["type"] == 'GET' and received_json["command"] == 'RX_MSG_BUFFER':
Line 272: if received_json["type"] == 'SET' and received_json["command"] == 'DEL_RX_BUFFER':
Line 275: if received_json["type"] == 'SET' and received_json["command"] == 'DEL_RX_MSG_BUFFER':
*/
//{\"type\" : \"ARQ\", \"command\" : \"sendMessage\", \"dxcallsign\" : \"G8BPQ\", \"mode\" : \"10\", \"n_frames\" : \"1\", \"data\" : \"Hello Hello\" , \"checksum\" : \"123\", \"timestamp\" : 1642580748576}
static unsigned char BANNED[] = {'"', '=', ':', '{', '}', '[', ']', '/', 13, 0}; // I think only need to escape = ": CR Null
static void SendDataMsg(struct TNCINFO * TNC, char * Call, char * Msg, int Len)
{
// We can't base64 encode chunks. so buffer as original data and encode on send
SendAsFile(TNC, TNC->FreeDataInfo->farCall, Msg, Len);
WritetoTrace(TNC, Msg, Len);
return;
}
static int SendAsRaw(struct TNCINFO * TNC, char * Call, char * myCall, char * Msg, int Len)
{
char Message[16284];
char * Base64;
// TNC now only supports send_raw, with base64 encoded data
char Template[] = "{\"type\" : \"arq\", \"command\" : \"send_raw\", \"uuid\" : \"%s\",\"parameter\":"
"[{\"dxcallsign\" : \"%s\", \"mode\": \"255\", \"n_frames\" : \"1\", \"data\" : \"%s\"}]}\n";
Base64 = byte_base64_encode(Msg, Len);
Len = sprintf(Message, Template, gen_uuid(), Call, Base64);
free(Base64);
return send(TNC->TCPDataSock, Message, Len, 0);
}
void FlushData(struct TNCINFO * TNC)
{
struct STREAMINFO * STREAM = &TNC->Streams[0];
struct FreeDataINFO * Info = TNC->FreeDataInfo;
int Len = Info->toSendCount;
// We need to flag as data (B) then base64 encode it
memmove(&Info->toSendData[1], Info->toSendData, Len);
Info->toSendData[0] = 'B';
Len++;
SendAsRaw(TNC, Info->farCall, Info->ourCall, Info->toSendData, Len);
Info->toSendCount = 0;
Info->toSendTimeout = 0;
sprintf(TNC->WEB_TRAFFIC, "Sent %d RXed %d Queued %d",
STREAM->BytesTXed - TNC->FreeDataInfo->toSendCount, STREAM->BytesRXed, TNC->FreeDataInfo->toSendCount);
MySetWindowText(TNC->xIDC_TRAFFIC, TNC->WEB_TRAFFIC);
}
static int SendAsFile(struct TNCINFO * TNC, char * Call, char * Msg, int Len)
{
struct STREAMINFO * STREAM = &TNC->Streams[0];
struct FreeDataINFO * Info = TNC->FreeDataInfo;
// Add to buffer
if ((Info->toSendCount + Len) > 8192) // Reasonable Limit
{
// Send the buffered bit
FlushData(TNC);
}
memcpy(&Info->toSendData[Info->toSendCount], Msg, Len);
Info->toSendCount += Len;
Info->toSendTimeout = 10; // About a second
STREAM->BytesTXed += Len;
sprintf(TNC->WEB_TRAFFIC, "Sent %d RXed %d Queued %d",
STREAM->BytesTXed - TNC->FreeDataInfo->toSendCount, STREAM->BytesRXed, TNC->FreeDataInfo->toSendCount);
MySetWindowText(TNC->xIDC_TRAFFIC, TNC->WEB_TRAFFIC);
return Len;
}
static int SendTNCCommand(struct TNCINFO * TNC, char * Type, char * Command)
{
char Message[256];
int Len;
Len = sprintf(Message, "{\"type\" : \"%s\", \"command\" : \"%s\"}\n", Type, Command);
return send(TNC->TCPDataSock, Message, Len, 0);
}
static void SendPoll(struct TNCINFO * TNC)
{
char DataMsgPoll[] = "{\"type\" : \"GET\", \"command\" : \"RX_MSG_BUFFER\"}\n";
// char DaemonPoll[] = "{\"type\" : \"GET\", \"command\" : \"DAEMON_STATE\"}\n";
char TNCPoll[] = "{\"type\" : \"GET\", \"command\" : \"TNC_STATE\", \"timestamp\" : 0}\n";
// Poll daemon rapidly until tnc is connected, then every 5 secs
if ((TNC->PollDelay++ > 50))// || !TNC->TNCCONNECTED) && TNC->DAEMONCONNECTED)
{
// ret = send(TNC->TCPSock, (char *)&DaemonPoll, strlen(DaemonPoll), 0);
TNC->PollDelay = 0;
}
if (TNC->TNCCONNECTED)
{
// ret = send(TNC->TCPDataSock, (char *)&TNCPoll, strlen(TNCPoll), 0);
// if (TNC->PollDelay & 1)
// ret = SendTNCCommand(TNC, "GET", "RX_BUFFER");
// else if (TNC->PollDelay & 2)
// ret = SendTNCCommand(TNC, "GET", "RX_MSG_BUFFER");
// else
// ret = send(TNC->TCPDataSock, (char *)&TNCPoll, strlen(TNCPoll), 0);
}
return;
}
static void SendPing(struct TNCINFO * TNC, char * Call)
{
char Ping[] = "{\"type\" : \"ping\", \"command\" : \"ping\", \"dxcallsign\" : \"%s\", \"timestamp\" : %d}\n";
char Message[256];
int Len, ret;
Len = sprintf(Message, Ping, Call, time(NULL));
ret = send(TNC->TCPDataSock, (char *)&Message, Len, 0);
}
static void SendCQ(struct TNCINFO * TNC)
{
char CQ[] = "{\"type\" : \"broadcast\", \"command\" : \"cqcqcq\"}\n";
char Message[256];
int Len, ret;
Len = sprintf(Message, CQ);
ret = send(TNC->TCPDataSock, (char *)&Message, Len, 0);
}
static void SendBeacon(struct TNCINFO * TNC, int Interval)
{
char Template1[] = "{\"type\" : \"broadcast\", \"command\" : \"start_beacon\", \"parameter\" : \"%d\"}\n";
char Template2[] = "{\"type\" : \"broadcast\", \"command\" : \"stop_beacon\"}\n";
char Message[256];
int Len, ret;
if (Interval > 0)
Len = sprintf(Message, Template1, Interval);
else
Len = sprintf(Message, Template2);
ret = send(TNC->TCPDataSock, (char *)&Message, Len, 0);
}
unsigned short int compute_crc(unsigned char *buf,int len);
int FreeDataWriteCommBlock(struct TNCINFO * TNC)
{
if (TNC->hDevice)
return WriteCOMBlock(TNC->hDevice, TNC->TXBuffer, TNC->TXLen);
return 0;
}
char * getObjectFromArray(char * Msg)
{
// This gets the next object from an array ({} = object, [] = array
// We look for the end of the object same number of { and }, teminate after } and return pointer to next object
// So we have terminated Msg, and returned next object in array
// Only call if Msg is the next object in array
char * ptr = Msg;
char c;
int Open = 0;
int Close = 0;
while (c = *(ptr++))
{
if (c == '{') Open ++; else if (c == '}') Close ++;
if (Open == Close)
{
*(ptr++) = 0;
return ptr;
}
}
return 0;
}
/*
["DATACHANNEL;RECEIVEDOPENER","ARQ;RECEIVING","ARQ;RECEIVING;SUCCESS"] [{"DXCALLSIGN":"GM8BPQ
{"DXCALLSIGN":"GM8BPQ","DXGRID":"","TIMESTAMP":1642847440,"RXDATA":[{"dt":"f","fn":"config.json",
"ft":"application\/json","d":"data:application\/json;base64,
ewogICAgInRuY19ob3N0IiA6ICIxMjcuMC4wLjEiLAogICAgInRuY19wb3J0IiA6ICIzMDAwIiwKICAgICJkYWVtb25faG9zdCIgOiAiMTI3LjAuMC4xIiwKICAgICJkYWVtb25fcG9ydCIgOiAiMzAwMSIsCiAgICAibXljYWxsIiA6ICJBQTBBQSIsCiAgICAibXlncmlkIiA6ICJBQTExZWEiICAgIAp9"
,"crc":"123123123"}]}
*/
void ProcessFileObject(struct TNCINFO * TNC, char * This)
{
char * Call;
char * LOC;
char * FN;
char * Type;
char * ptr, * ptr2;
int Len, NewLen;
Call = strchr(This, ':');
Call += 2;
This = strlop(Call, '"');
LOC = strchr(This, ':');
LOC += 2;
This = strlop(LOC, '"');
FN = strstr(This, "fn");
FN += 5;
This = strlop(FN, '"');
Type = strstr(This, "base64");
Type += 7;
This = strlop(Type, '"');
// Decode Base64
Len = strlen(Type);
Debugprintf("RX %d %s %d", TNC->Port, FN, Len);
ptr = ptr2 = Type;
while (Len > 0)
{
xdecodeblock(ptr, ptr2);
ptr += 4;
ptr2 += 3;
Len -= 4;
}
NewLen = (int)(ptr2 - Type);
if (*(ptr-1) == '=')
NewLen--;
if (*(ptr-2) == '=')
NewLen--;
Type[NewLen] = 0;
Type --;
Type[0] = 'B'; ; // Base64 Info
FreeDataProcessTNCMessage(TNC, Call, Type, NewLen + 1);
}
void ProcessMessageObject(struct TNCINFO * TNC, char * This)
{
// This gets Message from a RX_MSG_BUFFER array element.
char * Call;
char * LOC;
char * Type;
char * Msg;
int Len;
char * ptr, * ptr2;
char * ID;
char * TYPE;
char * SEQ;
char * UUID;
char * TEXT;
char * NOIDEA;
char * FORMAT;
char * FILENAME;
int fileLen;
int n;
Call = strstr(This, "dxcallsign");
Call += 13;
This = strlop(Call, '"');
LOC = strchr(This, ':');
LOC += 2;
This = strlop(LOC, '"');
Msg = strstr(This, "\"data\"");
Msg += 8;
This = strlop(Msg, '"');
// Decode Base64
// FreeData replaces / with \/ so need to undo
ptr2 = strstr(Msg, "\\/");
while (ptr2)
{
memmove(ptr2, ptr2 + 1, strlen(ptr2));
ptr2 = strstr(ptr2, "\\/");
}
Len = strlen(Msg);
ptr = ptr2 = Msg;
while (Len > 0)
{
xdecodeblock(ptr, ptr2);
ptr += 4;
ptr2 += 3;
Len -= 4;
}
Len = (int)(ptr2 - Msg);
if (*(ptr-1) == '=')
Len--;
if (*(ptr-2) == '=')
Len--;
Msg[Len] = 0;
//m<>;send_message<67>;123<32>;64730c5c-d32c-47b4-9b11-c958fd07a185<38>;hhhhhhhhhhhhhhhhhh
//<2F>;<3B>;plain/text<78>;
//m;send_message;123;64730c5c-d32c-47b4-9b11-c958fd07a185;hhhhhhhhhhhhhhhhhh
//;;plain/text;
// Message elements seem to be delimited by null ;
// Guessing labels
ID = Msg;
if (ID[0] == 'B')
{
// BPQ Message
struct STREAMINFO * STREAM = &TNC->Streams[0];
PMSGWITHLEN buffptr;
if (STREAM->Attached)
{
if (STREAM->Connected == 1 && STREAM->Connecting == 0)
{
char * Line = &ID[1];
Len -= 1;
while (Len > 256)
{
buffptr = GetBuff();
buffptr->Len = 256;
memcpy(buffptr->Data, Line, 256);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
WritetoTrace(TNC, Line, 256);
Len -= 256;
Line += 256;
STREAM->BytesRXed += 256;
}
buffptr = GetBuff();
buffptr->Len = Len;
memcpy(buffptr->Data, Line, Len);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
WritetoTrace(TNC, Line, Len);
STREAM->BytesRXed += Len;
}
sprintf(TNC->WEB_TRAFFIC, "Sent %d RXed %d Queued %d",
STREAM->BytesTXed - TNC->FreeDataInfo->toSendCount, STREAM->BytesRXed, TNC->FreeDataInfo->toSendCount);
MySetWindowText(TNC->xIDC_TRAFFIC, TNC->WEB_TRAFFIC);
}
return;
}
n = strlen(ID) + 2;
Msg += n;
Len -= n;
if (ID[0] == 'm')
{
// ?? Chat ?? comes from a send raw ??
struct STREAMINFO * STREAM = &TNC->Streams[0];
PMSGWITHLEN buffptr;
TYPE = Msg;
n = strlen(TYPE) + 2;
Msg += n;
Len -= n;
SEQ = Msg;
n = strlen(SEQ) + 2;
Msg += n;
Len -= n;
UUID = Msg;
n = strlen(UUID) + 2;
Msg += n;
Len -= n;
TEXT = Msg;
n = strlen(TEXT) + 2;
Msg += n;
Len -= n;
NOIDEA = Msg;
n = strlen(NOIDEA) + 2;
Msg += n;
Len -= n;
FORMAT = Msg;
n = strlen(FORMAT) + 2;
Msg += n;
Len -= n;
// if Atached, send to user
if (STREAM->Attached)
{
if (STREAM->Connected == 0 && STREAM->Connecting == 0)
{
// Just attached - send as Chat Message
char Line[560];
char * rest;
// Send line by line
rest = strlop(TEXT, 10); // FreeData chat uses LF
while (TEXT && TEXT[0])
{
Len = strlen(TEXT);
if (Len > 512)
TEXT[512] = 0;
Len = sprintf(Line, "Chat From %-10s%s\r", Call, TEXT);
while (Len > 256)
{
buffptr = GetBuff();
buffptr->Len = 256;
memcpy(buffptr->Data, Line, 256);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
WritetoTrace(TNC, Line, 256);
Len -= 256;
TEXT += 256;
STREAM->BytesRXed += 256;
}
buffptr = GetBuff();
buffptr->Len = Len;
memcpy(buffptr->Data, Line, Len);
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
WritetoTrace(TNC, Line, Len);
STREAM->BytesRXed += Len;
TEXT = rest;
rest = strlop(TEXT, 10); // FreeData chat ues LF
}
sprintf(TNC->WEB_TRAFFIC, "Sent %d RXed %d Queued %d",
STREAM->BytesTXed - TNC->FreeDataInfo->toSendCount, STREAM->BytesRXed, TNC->FreeDataInfo->toSendCount);
MySetWindowText(TNC->xIDC_TRAFFIC, TNC->WEB_TRAFFIC);
}
}
else
{
// Send Not Available Message
//m<>;send_message<67>;123<32>;64730c5c-d32c-47b4-9b11-c958fd07a185<38>;hhhhhhhhhhhhhhhhhh
//<2F>;<3B>;plain/text<78>;
char reply[512] = "m";
char * p;
strcat(TEXT, "\r");
WritetoTrace(TNC, TEXT, strlen(TEXT));
strcpy(&reply[2], ";send_message");
strcpy(&reply[16], ";123");
reply[21] = ';';
strcpy(&reply[22], gen_uuid());
sprintf(&reply[59], ";Message received but user not on line\n");
p = strchr(&reply[59], 0);
p[1] = ';';
strcpy(&p[3], ";plain/text");
p[15] = ';';
Len = &p[16] - reply;
SendAsRaw(TNC, Call, TNC->FreeDataInfo->ourCall, reply, Len);
}
return;
}
else if (ID[0] == 'f')
{
// File Tranfer
char Filename[256];
FILE * fp1;
char Text[64];
int textLen;
FILENAME = Msg;
n = strlen(FILENAME) + 2;
Msg += n;
Len -= n;
TYPE = Msg;
n = strlen(TYPE) + 2;
Msg += n;
Len -= n;
SEQ = Msg; // ?? Maybe = 123123123
n = strlen(SEQ) + 2;
Msg += n;
Len -= n;
TEXT = Msg; // The file
fileLen = Len;
if (TNC->FreeDataInfo->RXDir == NULL)
{
Debugprintf("FreeDATA RXDIRECTORY not set - file transfer ignored");
return;
}
sprintf(Filename, "%s\\%s", TNC->FreeDataInfo->RXDir, FILENAME);
fp1 = fopen(Filename, "wb");
if (fp1)
{
fwrite(TEXT, 1, fileLen, fp1);
fclose(fp1);
textLen = sprintf(Text, "File %s received from %s \r", FILENAME, Call);
WritetoTrace(TNC, Text, textLen);
}
else
Debugprintf("FreeDATA - File %s create failed %s", Filename);
return;
}
else if (ID[0] == 'm')
{
}
// FreeDataProcessTNCMessage(TNC, Call, Msg, strlen(Msg));
}
void processJSONINFO(struct TNCINFO * TNC, char * Info, char * Call, double snr)
{
char * LOC = "";
char * ptr, * Context;
// Info is an array. Normally only one element, but should check
ptr = strtok_s(&Info[1], ",]", &Context);
while (ptr && ptr[1])
{
if (strstr(ptr, "BEACON;RECEIVING"))
{
char CQ[64];
int Len;
Len = sprintf(CQ, "Beacon received from %s SNR %3.1f\r", Call, snr);
WritetoTrace(TNC, CQ, Len);
// Add to MH
if (Call)
UpdateMH(TNC, Call, '!', 'I');
}
if (strstr(ptr, "PING;RECEIVING"))
{
// Add to MH
if (Call)
UpdateMH(TNC, Call, '!', 'I');
}
else if (strstr(ptr, "CQ;RECEIVING"))
{
char CQ[64];
int Len;
Len = sprintf(CQ, "CQ received from %s SNR %3.1f\r", Call, snr);
WritetoTrace(TNC, CQ, Len);
// Add to MH
UpdateMH(TNC, Call, '!', 'I');
}
else if (strstr(ptr, "PING;RECEIVEDACK"))
{
char Msg[128];
int Len;
Len = sprintf(Msg, "Ping Response from %s SNR %3.1f\r", Call, snr);
FreeDataProcessTNCMessage(TNC, Call, Msg, Len);
// Add to MH
UpdateMH(TNC, Call, '!', 'I');
}
else if (strstr(ptr, "TRANSMITTING;FAILED"))
{
// Failed to send a message - if it was a connect request tell appl
struct STREAMINFO * STREAM = &TNC->Streams[0];
PMSGWITHLEN buffptr;
if (STREAM->Connecting)
{
sprintf(TNC->WEB_TNCSTATE, "In Use by %s", STREAM->MyCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
STREAM->Connecting = FALSE;
buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr->Len = sprintf(buffptr->Data, "*** Connect Failed\r");
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
STREAM->FramesQueued++;
}
}
ptr = strtok_s(NULL, ",]", &Context);
}
}
char * getJSONValue(char * Msg, char * Key)
{
char * ptr, *ptr2, *value = 0;
int vallen, keylen = strlen(Key);
char c;
// We Null Terminate the value, so we must look for keys in reverse order
ptr = strstr(Msg, Key);
if (ptr)
{
ptr += (keylen + 1);
if (*(ptr) == '[')
{
// Array
int Open = 0;
int Close = 0;
ptr2 = ptr;
while (c = *(ptr++))
{
if (c == '[')
Open ++;
else if (c == ']')
Close ++;
if (Open == Close)
{
vallen = ptr - ptr2;
value = ptr2;
value[vallen] = 0;
return value;
}
}
}
else if (*(ptr) == '\"')
{
// String
ptr2 = ptr;
ptr = strchr(ptr + 1, '\"');
if (ptr)
{
ptr++;
vallen = ptr - ptr2;
value = ptr2;
value[vallen] = 0;
}
}
}
return value;
}
char stopTNC[] = "{\"type\" : \"SET\", \"command\": \"STOPTNC\" , \"parameter\": \"---\" }\r";
void ProcessDAEMONJSON(struct TNCINFO * TNC, char * Msg, int Len)
{
char * ptr;
char * capture, * playback;
if (memcmp(Msg, "{\"command\":\"daemon_state\"", 25) == 0)
{
/*
{"COMMAND":"DAEMON_STATE","DAEMON_STATE":[{"STATUS":"stopped"}],
"PYTHON_VERSION":"3.9",
"HAMLIB_VERSION":"4.0",
"INPUT_DEVICES":[{"ID":5,"NAME":"pulse"},{"ID":9,"NAME":"default"}],
"OUTPUT_DEVICES":[{"ID":0,"NAME":"bcm2835 Headphones: - (hw:0,0)"},{"ID":1,"NAME":"sysdefault"},{"ID":2,"NAME":"lavrate"},{"ID":3,"NAME":"samplerate"},{"ID":4,"NAME":"speexrate"},{"ID":5,"NAME":"pulse"},{"ID":6,"NAME":"upmix"},{"ID":7,"NAME":"vdownmix"},{"ID":8,"NAME":"dmix"},{"ID":9,"NAME":"default"}],
"SERIAL_DEVICES":[{"PORT":"\/dev\/ttyAMA0","DESCRIPTION":"ttyAMA0 [1dff]"}],
"CPU":"39.6",
"RAM":"38.6",
"VERSION":"0.1-prototype"}
*/
Msg += 25;
playback = getJSONValue(Msg, "\"output_devices\"");
capture = getJSONValue(Msg, "\"input_devices\"");
if (TNC->CaptureDevices)
free(TNC->CaptureDevices);
TNC->CaptureDevices = _strdup(capture);
if (TNC->PlaybackDevices)
free(TNC->PlaybackDevices);
TNC->PlaybackDevices = _strdup(playback);
ptr = getJSONValue(Msg, "\"daemon_state\"");
if (strstr(ptr, "stopped"))
{
TNC->FreeDataInfo->TNCRunning = 0;
// if we have Capture and Playback devices, then start the TNC, else look in message for them
if (TNC->CaptureDevices)
{
if (TNC->FreeDataInfo->startingTNC == 0)
{
// Find Capture and Playback indices
struct FreeDataINFO * Info = TNC->FreeDataInfo;
char * devptr = stristr(TNC->CaptureDevices, Info->Capture);
int capindex = -1, playindex = -1;
char startTNC[] = "{\"type\":\"set\",\"command\":\"start_tnc\","
"\"parameter\":"
"[{\"mycall\":\"%s\","
"\"mygrid\":\"%s\","
"\"rx_audio\":\"%d\","
"\"tx_audio\":\"%d\","
"\"radiocontrol\":\"disabled\","
"\"devicename\":\"RIG_MODEL_NETRIGCTL\","
"\"deviceport\":\"COM99\","
"\"pttprotocol\":\"USB\","
"\"pttport\":\"COM99\","
"\"serialspeed\":\"19200\","
"\"data_bits\":\"8\","
"\"stop_bits\":\"1\","
"\"handshake\":\"None\","
"\"rigctld_ip\":\"%s\","
"\"rigctld_port\":\"%d\","
"\"enable_scatter\":\"False\","
"\"enable_fft\":\"False\","
"\"enable_fsk\":\"False\","
"\"low_bandwidth_mode\":\"%s\"," //False
"\"tuning_range_fmin\":\"%3.1f\"," //-50.0
"\"tuning_range_fmax\":\"%3.1f\"," // 50.0
"\"tx_audio_level\":\"125\","
"\"respond_to_cq\":\"True\","
"\"rx_buffer_size\":\"16\"}]}\n";
char Command[2048];
int Len;
if (devptr)
{
while (*(--devptr) != '{'); // find start of subparam
capindex = atoi(&devptr[6]);
}
devptr = stristr(TNC->PlaybackDevices, Info->Playback);
if (devptr)
{
while (*(--devptr) != '{'); // find start of subparam
playindex = atoi(&devptr[6]);
}
if (capindex > -1 && playindex > -1)
{
Len = sprintf(Command, startTNC, TNC->FreeDataInfo->ourCall, LOC, capindex, playindex,
TNC->FreeDataInfo->hamlibHost, TNC->FreeDataInfo->hamlibPort,
TNC->FreeDataInfo->LimitBandWidth ? "True" : "False",
TNC->FreeDataInfo->TuningRange * -1.0,
TNC->FreeDataInfo->TuningRange * 1.0);
send(TNC->TCPSock, Command, Len, 0);
// TNC->FreeDataInfo->startingTNC = 5;
}
}
}
else
{
ptr = getJSONValue(Msg, "\"version\"");
}
return;
}
TNC->FreeDataInfo->TNCRunning = 1;
if (TNC->TNCCONNECTED == FALSE && TNC->TNCCONNECTING == FALSE)
ConnectTNCPort(TNC);
return;
}
Debugprintf(Msg);
}
void StopTNC(struct TNCINFO * TNC)
{
char stopTNC[] = "{\"type\" : \"set\", \"command\": \"stop_tnc\" , \"parameter\": \"---\"}";
if (TNC->TNCCONNECTED)
{
send(TNC->TCPSock, stopTNC, strlen(stopTNC), 0);
closesocket(TNC->TCPDataSock);
}
}
void ProcessTNCJSON(struct TNCINFO * TNC, char * Msg, int Len)
{
char * ptr;
if (memcmp(Msg, "{\"ptt\":", 7) == 0)
{
if (strstr(Msg, "True"))
{
// TNC->Busy = TNC->BusyHold * 10; // BusyHold delay
if (TNC->PTTMode)
Rig_PTT(TNC, TRUE);
}
else
{
if (TNC->PTTMode)
Rig_PTT(TNC, FALSE);
}
return;
}
if (memcmp(Msg, "{\"command_response\"", 19) == 0)
{
Debugprintf("%d %s", TNC->Port, Msg);
return;
}
if (memcmp(Msg, "{\"command\":\"tnc_state\"", 22) == 0)
{
/*
{"command":"tnc_state","ptt_state":"False","tnc_state":"IDLE","arq_state":"False","arq_session":"False",
"arq_session_state":"disconnected","audio_rms":"0","snr":"0","frequency":"None","speed_level":"1",
"mode":"None","bandwidth":"None","fft":"[0]","channel_busy":"False","scatter":[],"rx_buffer_length":"0",
"rx_msg_buffer_length":"0","arq_bytes_per_minute":"0","arq_bytes_per_minute_burst":"0","arq_compression_factor":"0",
"arq_transmission_percent":"0","total_bytes":"0","beacon_state":"False",
"stations":[],"mycallsign":"GM8BPQ-6","dxcallsign":"AA0AA","dxgrid":""}
*/
char * LOC = 0;
char * Stations;
char * myCall = 0;
char * farCall = 0;
double snr;
int arqstate = 0;
int rx_buffer_length = 0;
int rx_msg_buffer_length = 0;
Msg += 23;
ptr = strstr(Msg, "rx_buffer_length");
if (ptr)
rx_buffer_length = atoi(&ptr[19]);
ptr = strstr(Msg, "rx_msg_buffer_length");
if (ptr)
rx_msg_buffer_length = atoi(&ptr[23]);
ptr = strstr(Msg, "snr");
if (ptr)
snr = atof(ptr + 6);
Stations = getJSONValue(Msg, "\"stations\"");
if (Stations)
{
ptr = Stations + strlen(Stations) + 1;
LOC = getJSONValue(ptr, "\"dxgrid\"");
farCall = getJSONValue(ptr, "\"dxcallsign\"");
myCall = getJSONValue(ptr, "\"mycallsign\"");
if (myCall && farCall)
{
myCall++;
strlop(myCall, '"');
farCall++;
strlop(farCall, '"');
}
}
// Look for changes in arq_session_state
ptr = strstr(Msg, "\"arq_session_state\"");
if (ptr)
{
struct STREAMINFO * STREAM = &TNC->Streams[0];
ptr += 21;
if (memcmp(ptr, "disconnected", 10) == 0)
{
if (TNC->FreeDataInfo->arqstate != 1)
{
TNC->FreeDataInfo->arqstate = 1;
Debugprintf("%d arq_session_state %s", TNC->Port, "disconnected");
}
// if connected this is a new disconnect
if (STREAM->Connected)
{
// Create a traffic record
char logmsg[120];
time_t Duration;
Duration = time(NULL) - STREAM->ConnectTime;
if (Duration == 0)
Duration = 1;
sprintf(logmsg,"Port %2d %9s Bytes Sent %d BPS %d Bytes Received %d BPS %d Time %d Seconds",
TNC->Port, STREAM->RemoteCall,
STREAM->BytesTXed, (int)(STREAM->BytesTXed/Duration),
STREAM->BytesRXed, (int)(STREAM->BytesRXed/Duration), (int)Duration);
Debugprintf(logmsg);
STREAM->Connected = FALSE; // Back to Command Mode
STREAM->ReportDISC = TRUE; // Tell Node
STREAM->Disconnecting = FALSE;
strcpy(TNC->WEB_TNCSTATE, "Free");
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
}
}
else if (memcmp(ptr, "connecting", 10) == 0)
{
if (TNC->FreeDataInfo->arqstate != 2)
{
TNC->FreeDataInfo->arqstate = 2;
Debugprintf("%d arq_session_state %s", TNC->Port, "connecting");
}
}
else if (memcmp(ptr, "connected", 9) == 0)
{
// if connection is idle this is an incoming connect
if (TNC->FreeDataInfo->arqstate != 3)
{
TNC->FreeDataInfo->arqstate = 3;
Debugprintf("%d arq_session_state %s", TNC->Port, "connected");
}
if (STREAM->Connecting == FALSE && STREAM->Connected == FALSE)
{
FreeDataProcessNewConnect(TNC, farCall, myCall);
}
// if connecting it is a connect ack
else if (STREAM->Connecting)
{
FreeDataProcessConnectAck(TNC, farCall, Msg, Len);
}
}
else if (memcmp(ptr, "disconnecting", 12) == 0)
{
if (TNC->FreeDataInfo->arqstate != 4)
{
TNC->FreeDataInfo->arqstate = 4;
Debugprintf("%d arq_session_state %s", TNC->Port, "disconnecting");
}
}
else if (memcmp(ptr, "failed", 5) == 0)
{
PMSGWITHLEN buffptr;
if (TNC->FreeDataInfo->arqstate != 5)
{
TNC->FreeDataInfo->arqstate = 5;
Debugprintf("%d arq_session_state %s", TNC->Port, "failed");
}
if (STREAM->Connecting)
{
sprintf(TNC->WEB_TNCSTATE, "In Use by %s", STREAM->MyCall);
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
STREAM->Connecting = FALSE;
buffptr = (PMSGWITHLEN)GetBuff();
if (buffptr == 0) return; // No buffers, so ignore
buffptr->Len = sprintf(buffptr->Data, "*** Connect Failed\r");
C_Q_ADD(&STREAM->PACTORtoBPQ_Q, buffptr);
STREAM->FramesQueued++;
}
}
}
if (rx_buffer_length || rx_msg_buffer_length)
FreeGetData(TNC);
ptr = getJSONValue(Msg, "\"info\"");
if (ptr == NULL)
return;
if (strcmp(ptr, "[]") != 0)
{
processJSONINFO(TNC, ptr, farCall, snr);
Debugprintf("%d %s %s", TNC->Port, ptr, farCall);
}
return;
}
if (memcmp(Msg, "{\"freedata\":\"tnc-message\"", 25) == 0)
{
char * mycall = strstr(Msg, "mycall");
char * dxcall = strstr(Msg, "dxcall");
char * dxgrid = strstr(Msg, "dxgrid");
char * snrptr = strstr(Msg, "snr");
float snr = 0;
char CQ[64];
int Len;
Msg += 26;
if (mycall && dxcall && dxgrid)
{
mycall += 13;
strlop(mycall, '"');
dxcall += 13;
strlop(dxcall, '"');
dxgrid += 9;
strlop(dxgrid, '"');
}
if (dxcall && strstr(dxcall, "-0"))
strlop(dxcall, '-');
if (snrptr)
snr = atof(&snrptr[6]);
if (memcmp(Msg, "\"beacon\":\"received\"", 18) == 0)
{
if (mycall && dxcall && dxgrid)
{
Len = sprintf(CQ, "Beacon received from %s SNR %3.1f", dxcall, snr);
WritetoTrace(TNC, CQ, Len);
// Add to MH
if (dxcall)
UpdateMH(TNC, dxcall, '!', 'I');
return;
}
}
if (memcmp(Msg, "\"cq\":\"received\"", 14) == 0)
{
if (mycall && dxcall && dxgrid)
{
Len = sprintf(CQ, "CQ received from %s", dxcall);
WritetoTrace(TNC, CQ, Len);
// Add to MH
if (dxcall)
UpdateMH(TNC, dxcall, '!', 'I');
return;
}
}
if (memcmp(Msg, "\"ping\":\"received\"", 16) == 0)
{
if (mycall && dxcall && dxgrid)
{
Len = sprintf(CQ, "PING received from %s SNR %3.1f", dxcall, snr);
WritetoTrace(TNC, CQ, Len);
// Add to MH
if (dxcall)
UpdateMH(TNC, dxcall, '!', 'I');
return;
}
}
if (memcmp(Msg, "\"ping\":\"acknowledge\"", 16) == 0)
{
if (mycall && dxcall && dxgrid)
{
char Msg[128];
Len = sprintf(Msg, "Ping Response from %s SNR %3.1f\r", dxcall, snr);
FreeDataProcessTNCMessage(TNC, dxcall, Msg, Len);
UpdateMH(TNC, dxcall, '!', 'I');
return;
}
}
Debugprintf("%d %s", TNC->Port, Msg);
return;
}
if (memcmp(Msg, "{\"command\":\"rx_buffer\"", 22) == 0)
{
char * Next, * This;
// Delete from TNC
SendTNCCommand(TNC, "set", "del_rx_buffer"); Msg += 22;
ptr = getJSONValue(Msg, "\"eof\"");
ptr = getJSONValue(Msg, "\"data-array\"");
This = ptr;
if (This[1] == '{') // Array of objects
{
This++;
do
{
Next = getObjectFromArray(This);
ProcessMessageObject(TNC, This);
This = Next;
} while (Next && Next[0] == '{');
}
return;
}
Debugprintf("%d %s", TNC->Port, Msg);
// {"COMMAND":"RX_BUFFER","DATA-ARRAY":[],"EOF":"EOF"}
/* {"COMMAND":"RX_BUFFER","DATA-ARRAY":[{"DXCALLSIGN":"GM8BPQ","DXGRID":"","TIMESTAMP":1642579504,
"RXDATA":[{"dt":"f","fn":"main.js","ft":"text\/javascript"
,"d":"data:text\/javascript;base64,Y29uc3Qge.....9KTsK","crc":"123123123"}]}],"EOF":"EOF"}
{"arq":"received","uuid":"a1346319-6eb0-42aa-b5a0-c9493c8ccdca","timestamp":1645812393,"dxcallsign":"G8BPQ-2","dxgrid":"","data":"QyBHOEJQUS0yIEc4QlBRLTIgRzhCUFEtMiA="}
{"ptt":"True"}
*/
if (memcmp(Msg, "{\"arq\":\"received\"", 17) == 0)
{
int NewLen;
char * ptr, *ptr2, *Type;
char * Call = 0;
char * myCall = 0;
Msg += 17;
ptr = getJSONValue(Msg, "\"data\"");
Type = ++ptr;
// Decode Base64
// FreeData replaces / with \/ so need to undo
ptr2 = strstr(Type, "\\/");
while (ptr2)
{
memmove(ptr2, ptr2 + 1, strlen(ptr2));
ptr2 = strstr(ptr2, "\\/");
}
Len = strlen(Type) - 1;
// Debugprintf("RX %d %s %d", TNC->Port, FN, Len);
ptr = ptr2 = Type;
while (Len > 0)
{
xdecodeblock(ptr, ptr2);
ptr += 4;
ptr2 += 3;
Len -= 4;
}
NewLen = (int)(ptr2 - Type);
if (*(ptr-1) == '=')
NewLen--;
if (*(ptr-2) == '=')
NewLen--;
Type[NewLen] = 0;
myCall = getJSONValue(Msg, "\"mycallsign\"");
Call = getJSONValue(Msg, "\"dxcallsign\"");
if (Call)
{
Call++;
strlop(Call, '"');
}
if (myCall)
{
myCall++;
strlop(myCall, '"');
}
FreeDataProcessTNCMessage(TNC, Call, Type, NewLen);
return;
}
if (memcmp(Msg, "{\"COMMAND\":\"RX_MSG_BUFFER\"", 26) == 0)
{
char * Next, * This;
Msg += 26;
ptr = getJSONValue(Msg, "\"EOF\"");
ptr = getJSONValue(Msg, "\"DATA-ARRAY\"");
This = ptr;
if (This[1] == '{') // Array of objects
{
This++;
do {
Next = getObjectFromArray(This);
ProcessMessageObject(TNC, This);
This = Next;
} while (Next && Next[0] == '{');
// Delete from TNC
SendTNCCommand(TNC, "SET", "DEL_RX_MSG_BUFFER");
}
return;
}
}
int FreeDataConnect(struct TNCINFO * TNC, char * Call)
{
char Connect[] = "{\"type\" : \"arq\", \"command\": \"connect\" , \"dxcallsign\": \"%s\"}\n";
char Msg[128];
int Len;
Len = sprintf(Msg, Connect, Call);
return send(TNC->TCPDataSock, Msg, Len, 0);
}
int FreeDataDisconnect(struct TNCINFO * TNC)
{
char Disconnect[] = "{\"type\" : \"arq\", \"command\": \"disconnect\"}\n";
char Msg[128];
int Len;
// return FreeDataSendCommand(TNC, "D");
Len = sprintf(Msg, Disconnect);
return send(TNC->TCPDataSock, Msg, Len, 0);
}
int FreeGetData(struct TNCINFO * TNC)
{
char GetData[] = "{\"type\" : \"get\", \"command\": \"rx_buffer\"}\n";
char Msg[128];
int Len;
Len = sprintf(Msg, GetData);
return send(TNC->TCPDataSock, Msg, Len, 0);
}
int FreeDataSendCommand(struct TNCINFO * TNC, char * Msg)
{
// Commands are simulated as Messages to the remote BPQ. The TNC itself does not handle any commands
// First Byte of MSG is a Type - Command or Data. MSG has a limited character set Use =xx for Now.
// Current Types - C = Connect, D = Disconnect, I = info
SendAsRaw(TNC, TNC->FreeDataInfo->farCall, TNC->FreeDataInfo->ourCall, Msg, strlen(Msg));
return 0;
}
void FreeDataProcessDaemonMsg(struct TNCINFO * TNC)
{
int InputLen, MsgLen;
char * ptr;
int OpenBraces;
int CloseBraces;
char c;
// shouldn't get several messages per packet, as each should need an ack
// May get message split over packets
if (TNC->InputLen > 8000) // Shouldnt have packets longer than this
TNC->InputLen=0;
InputLen=recv(TNC->TCPSock, &TNC->ARDOPBuffer[TNC->InputLen], 8191 - TNC->InputLen, 0);
if (InputLen == 8191)
c = 0;
if (InputLen == 0 || InputLen == SOCKET_ERROR)
{
// Does this mean closed?
closesocket(TNC->TCPSock);
TNC->TCPSock = 0;
TNC->DAEMONCONNECTED = FALSE;
TNC->Streams[0].ReportDISC = TRUE;
sprintf(TNC->WEB_COMMSSTATE, "Connection to TNC lost");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
return;
}
TNC->InputLen += InputLen;
loop:
TNC->ARDOPBuffer[TNC->InputLen] = 0; // So we cat use string functions
// Message should be json. We know the format, so don't need a general parser, but need to know if complete.
// I think counting { and } and stopping if equal should work;
if (TNC->ARDOPBuffer[0] != '{')
{
TNC->InputLen = 0;
return;
}
ptr = &TNC->ARDOPBuffer[0];
OpenBraces = 0;
CloseBraces = 0;
while (c = *(ptr++))
{
if (c == '{')
OpenBraces ++;
else if (c == '}')
CloseBraces ++;
if (OpenBraces == CloseBraces)
{
MsgLen = ptr - (char * )TNC->ARDOPBuffer;
ProcessDAEMONJSON(TNC, TNC->ARDOPBuffer, MsgLen);
if (TNC->InputLen == 0 || *ptr == 0)
{
TNC->InputLen = 0;
return;
}
// More in buffer
memmove(TNC->ARDOPBuffer, ptr, TNC->InputLen - MsgLen);
TNC->InputLen -= MsgLen;
goto loop;
}
}
// Message Incomplete - wait for rest;
}
void FreeDataProcessTNCMsg(struct TNCINFO * TNC)
{
int DataInputLen, MsgLen;
char * ptr, * endptr;
int maxlen;
// May get message split over packets or multiple messages per packet
// A complete file transfer arrives as one message, so can bw very long
if (TNC->DataInputLen > MAXRXSIZE) // Shouldnt have packets longer than this
TNC->DataInputLen=0;
maxlen = MAXRXSIZE - TNC->DataInputLen;
if (maxlen >1400)
maxlen = 1400;
DataInputLen = recv(TNC->TCPDataSock, &TNC->ARDOPDataBuffer[TNC->DataInputLen], maxlen, 0);
if (DataInputLen == 0 || DataInputLen == SOCKET_ERROR)
{
struct STREAMINFO * STREAM = &TNC->Streams[0];
closesocket(TNC->TCPDataSock);
TNC->TCPDataSock = 0;
TNC->TNCCONNECTED = FALSE;
STREAM->Connected = FALSE; // Back to Command Mode
STREAM->ReportDISC = TRUE; // Tell Node
STREAM->Disconnecting = FALSE;
strcpy(TNC->WEB_TNCSTATE, "Free");
MySetWindowText(TNC->xIDC_TNCSTATE, TNC->WEB_TNCSTATE);
sprintf(TNC->WEB_COMMSSTATE, "Connection to TNC lost");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
return;
}
TNC->DataInputLen += DataInputLen;
TNC->ARDOPDataBuffer[TNC->DataInputLen] = 0; // So we can use string functions
// Message should be json. We know the format, so don't need a general parser, but need to know if complete.
// I think counting { and } and stopping if equal should work;
// Debugprintf(TNC->ARDOPDataBuffer);
//I think now messages end with LF
loop:
endptr = strchr(TNC->ARDOPDataBuffer, 10);
if (endptr == 0)
return;
*(endptr) = 0;
if (TNC->ARDOPDataBuffer[0] != '{')
{
TNC->DataInputLen = 0;
return;
}
ptr = &TNC->ARDOPDataBuffer[0];
MsgLen = endptr - ptr;
ProcessTNCJSON(TNC, ptr, MsgLen);
// MsgLen doesnt include lf
MsgLen++;
if (TNC->DataInputLen == MsgLen)
{
TNC->DataInputLen = 0;
return;
}
// More in buffer
ptr += MsgLen;
TNC->DataInputLen -= MsgLen;
memmove(TNC->ARDOPDataBuffer, ptr, TNC->DataInputLen + 1);
goto loop;
// Message Incomplete - wait for rest;
}
VOID FreeDataThread(void * portptr);
int ConnecttoFreeData(int port)
{
_beginthread(FreeDataThread, 0, (void *)(size_t)port);
return 0;
}
static SOCKADDR_IN sinx;
static SOCKADDR_IN rxaddr;
VOID FreeDataThread(void * portptr)
{
// FreeData TNC has two sessions, not sure why!
// Messages are JSON encapulated
// Opens deamon socket. TNC socket is only available once Start TNC command sent
// Looks for data on socket(s)
int port = (int)(size_t)portptr;
char Msg[255];
int err, i, ret;
u_long param=1;
BOOL bcopt=TRUE;
struct hostent * HostEnt;
struct TNCINFO * TNC = TNCInfo[port];
fd_set readfs;
fd_set errorfs;
struct timeval timeout;
if (TNC->HostName == NULL)
return;
TNC->BusyFlags = 0;
TNC->DAEMONCONNECTING = TRUE;
Sleep(3000); // Allow init to complete
// printf("Starting FreeDATA Thread\n");
// if on Windows and Localhost see if TNC is running
#ifdef WIN32
if (strcmp(TNC->HostName, "127.0.0.1") == 0)
{
// can only check if running on local host
TNC->PID = GetListeningPortsPID(TNC->destaddr.sin_port);
if (TNC->PID == 0)
goto TNCNotRunning;
// Get the File Name in case we want to restart it.
if (TNC->ProgramPath == NULL)
{
if (GetModuleFileNameExPtr)
{
HANDLE hProc;
char ExeName[256] = "";
hProc = OpenProcess(PROCESS_QUERY_INFORMATION |PROCESS_VM_READ, FALSE, TNC->PID);
if (hProc)
{
GetModuleFileNameExPtr(hProc, 0, ExeName, 255);
CloseHandle(hProc);
TNC->ProgramPath = _strdup(ExeName);
}
}
}
goto TNCRunning;
}
#endif
TNCNotRunning:
// Not running or can't check, restart if we have a path
/* if (TNC->ProgramPath)
{
Consoleprintf("Trying to (re)start TNC %s", TNC->ProgramPath);
if (RestartTNC(TNC))
CountRestarts(TNC);
Sleep(TNC->AutoStartDelay);
}
*/
TNCRunning:
if (TNC->Alerted == FALSE)
{
sprintf(TNC->WEB_COMMSSTATE, "Connecting to Daemon");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
}
TNC->destaddr.sin_addr.s_addr = inet_addr(TNC->HostName);
TNC->Datadestaddr.sin_addr.s_addr = inet_addr(TNC->HostName);
if (TNC->destaddr.sin_addr.s_addr == INADDR_NONE)
{
// Resolve name to address
HostEnt = gethostbyname (TNC->HostName);
if (!HostEnt)
{
TNC->DAEMONCONNECTING = FALSE;
sprintf(Msg, "Resolve Failed for FreeData Host - error code = %d\r\n", WSAGetLastError());
WritetoConsole(Msg);
return; // Resolve failed
}
memcpy(&TNC->destaddr.sin_addr.s_addr,HostEnt->h_addr,4);
memcpy(&TNC->Datadestaddr.sin_addr.s_addr,HostEnt->h_addr,4);
}
// closesocket(TNC->TCPDataSock);
// closesocket(TNC->TCPSock);
TNC->TCPDataSock=socket(AF_INET,SOCK_STREAM,0);
if (TNC->TCPDataSock == INVALID_SOCKET)
{
i=sprintf(Msg, "Socket Failed for FreeData TNC socket - error code = %d\r\n", WSAGetLastError());
WritetoConsole(Msg);
TNC->DAEMONCONNECTING = FALSE;
return;
}
TNC->TCPSock = socket(AF_INET,SOCK_STREAM,0);
if (TNC->TCPSock == INVALID_SOCKET)
{
i=sprintf(Msg, "Socket Failed for FreeData Data Daemon socket - error code = %d\r\n", WSAGetLastError());
WritetoConsole(Msg);
TNC->DAEMONCONNECTING = FALSE;
closesocket(TNC->TCPDataSock);
return;
}
setsockopt(TNC->TCPSock, SOL_SOCKET, SO_REUSEADDR, (const char FAR *)&bcopt, 4);
setsockopt(TNC->TCPSock, IPPROTO_TCP, TCP_NODELAY, (const char FAR *)&bcopt, 4);
sinx.sin_family = AF_INET;
sinx.sin_addr.s_addr = INADDR_ANY;
sinx.sin_port = 0;
// Connect Daemon Port
if (connect(TNC->TCPSock,(LPSOCKADDR) &TNC->Datadestaddr,sizeof(TNC->Datadestaddr)) == 0)
{
//
// Connected successful
//
}
else
{
if (TNC->Alerted == FALSE)
{
err=WSAGetLastError();
i=sprintf(Msg, "Connect Failed for FreeData Daemon socket - error code = %d\r\n", err);
WritetoConsole(Msg);
sprintf(TNC->WEB_COMMSSTATE, "Connection to Daemon failed");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
TNC->Alerted = TRUE;
}
closesocket(TNC->TCPSock);
TNC->TCPSock = 0;
TNC->DAEMONCONNECTING = FALSE;
RestartTNC(TNC);
return;
}
Sleep(1000);
TNC->LastFreq = 0;
TNC->DAEMONCONNECTING = FALSE;
TNC->DAEMONCONNECTED = TRUE;
TNC->BusyFlags = 0;
TNC->InputLen = 0;
TNC->Alerted = FALSE;
TNC->Alerted = TRUE;
sprintf(TNC->WEB_COMMSSTATE, "Connected to FreeData Daemon");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
sprintf(Msg, "Connected to FreeData Daemon Port %d\r\n", TNC->Port);
WritetoConsole(Msg);
#ifndef LINBPQ
// FreeSemaphore(&Semaphore);
Sleep(1000); // Give VARA time to update Window title
// EnumWindows(EnumVARAWindowsProc, (LPARAM)TNC);
// GetSemaphore(&Semaphore, 52);
#endif
while (TNC->DAEMONCONNECTED || TNC->TNCCONNECTED)
{
FD_ZERO(&readfs);
FD_ZERO(&errorfs);
if (TNC->DAEMONCONNECTED)
FD_SET(TNC->TCPSock,&readfs);
if (TNC->TCPSock)
FD_SET(TNC->TCPSock,&errorfs);
if (TNC->TNCCONNECTED)
FD_SET(TNC->TCPDataSock,&readfs);
// FD_ZERO(&writefs);
// if (TNC->BPQtoWINMOR_Q) FD_SET(TNC->TCPSock,&writefs); // Need notification of busy clearing
if (TNC->TNCCONNECTING || TNC->TNCCONNECTED) FD_SET(TNC->TCPDataSock,&errorfs);
timeout.tv_sec = 90;
timeout.tv_usec = 0; // We should get messages more frequently that this
ret = select((int)TNC->TCPSock + 1, &readfs, NULL, &errorfs, &timeout);
if (ret == SOCKET_ERROR)
{
Debugprintf("FreeData Select failed %d ", WSAGetLastError());
goto Lost;
}
if (ret > 0)
{
// See what happened
if (FD_ISSET(TNC->TCPDataSock, &readfs))
{
GetSemaphore(&Semaphore, 52);
FreeDataProcessTNCMsg(TNC);
FreeSemaphore(&Semaphore);
}
if (FD_ISSET(TNC->TCPSock, &readfs))
{
GetSemaphore(&Semaphore, 52);
FreeDataProcessDaemonMsg(TNC);
FreeSemaphore(&Semaphore);
}
if (FD_ISSET(TNC->TCPDataSock, &errorfs))
{
Lost:
sprintf(Msg, "FreeData Daemon Connection lost for Port %d\r\n", TNC->Port);
WritetoConsole(Msg);
sprintf(TNC->WEB_COMMSSTATE, "Connection to Daemon lost");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
TNC->TNCCONNECTED = FALSE;
TNC->Alerted = FALSE;
if (TNC->PTTMode)
Rig_PTT(TNC, FALSE); // Make sure PTT is down
if (TNC->Streams[0].Attached)
TNC->Streams[0].ReportDISC = TRUE;
closesocket(TNC->TCPDataSock);
TNC->TCPDataSock = 0;
}
if (FD_ISSET(TNC->TCPSock, &errorfs))
{
sprintf(Msg, "FreeData Daemon Connection lost for Port %d\r\n", TNC->Port);
WritetoConsole(Msg);
sprintf(TNC->WEB_COMMSSTATE, "Connection to Daemon lost");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
TNC->DAEMONCONNECTED = FALSE;
TNC->Alerted = FALSE;
if (TNC->PTTMode)
Rig_PTT(TNC, FALSE); // Make sure PTT is down
if (TNC->Streams[0].Attached)
TNC->Streams[0].ReportDISC = TRUE;
closesocket(TNC->TCPSock);
TNC->TCPSock = 0;
}
continue;
}
else
{
}
}
if (TNC->TCPDataSock)
{
shutdown(TNC->TCPDataSock, SD_BOTH);
Sleep(100);
closesocket(TNC->TCPDataSock);
}
if (TNC->TCPSock)
{
shutdown(TNC->TCPSock, SD_BOTH);
Sleep(100);
closesocket(TNC->TCPSock);
}
sprintf(Msg, "FreeData Thread Terminated Port %d\r\n", TNC->Port);
WritetoConsole(Msg);
}
void ConnectTNCPort(struct TNCINFO * TNC)
{
char Msg[255];
int err;
int bcopt = TRUE;
TNC->TNCCONNECTING = TRUE;
TNC->TCPDataSock = socket(AF_INET,SOCK_STREAM,0);
if (TNC->TCPDataSock == INVALID_SOCKET)
{
sprintf(Msg, "Socket Failed for FreeData TNC socket - error code = %d\r\n", WSAGetLastError());
WritetoConsole(Msg);
TNC->TNCCONNECTING = FALSE;
return;
}
setsockopt(TNC->TCPDataSock, SOL_SOCKET, SO_REUSEADDR, (const char FAR *)&bcopt, 4);
setsockopt(TNC->TCPDataSock, IPPROTO_TCP, TCP_NODELAY, (const char FAR *)&bcopt, 4);
if (connect(TNC->TCPDataSock,(LPSOCKADDR) &TNC->destaddr,sizeof(TNC->destaddr)) == 0)
{
// Connected successful
sprintf(TNC->WEB_COMMSSTATE, "Connected to FreeData TNC");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
TNC->TNCCONNECTING = FALSE;
TNC->TNCCONNECTED = TRUE;
TNC->Alerted = FALSE;
return;
}
if (TNC->Alerted == FALSE)
{
err=WSAGetLastError();
sprintf(Msg, "Connect Failed for FreeData TNC socket - error code = %d Port %d\n",
err, htons(TNC->destaddr.sin_port));
WritetoConsole(Msg);
TNC->Alerted = TRUE;
TNC->TNCCONNECTING = FALSE;
sprintf(TNC->WEB_COMMSSTATE, "Connection to TNC failed");
MySetWindowText(TNC->xIDC_COMMSSTATE, TNC->WEB_COMMSSTATE);
}
closesocket(TNC->TCPDataSock);
TNC->TCPDataSock = 0;
TNC->TNCCONNECTING = FALSE;
return;
}
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