TEST_F(RingBuf, RingBufRW2_1)
{
RingBuf_t ringbuf;
uint8_t wbuf[3];
uint8_t rbuf[3];
size_t sz;
for (int i = 0; i < 3; i++) {
RingBufAlloc(&ringbuf, 3);
ringbuf.wpos = i; //ずらす
ringbuf.rpos = (ringbuf.wpos + 1) % 3;
memset(ringbuf.buf, 0xdd, 3);
ringbuf.empty = false;
//1回ずつ書いて、1回ずつ読む
//書ける
wbuf[0] = 0x12;
sz = 1;
RingBufWrite(&ringbuf, wbuf, &sz);
ASSERT_EQ(1UL, sz);
//書けない
wbuf[0] = 0x78;
sz = 1;
RingBufWrite(&ringbuf, wbuf, &sz);
ASSERT_EQ(0UL, sz);
//読める
sz = 1;
RingBufRead(&ringbuf, rbuf, &sz);
ASSERT_EQ(1UL, sz);
ASSERT_EQ(0xdd, rbuf[0]);
//読める
sz = 1;
RingBufRead(&ringbuf, rbuf, &sz);
ASSERT_EQ(1UL, sz);
ASSERT_EQ(0xdd, rbuf[0]);
//読める
sz = 1;
RingBufRead(&ringbuf, rbuf, &sz);
ASSERT_EQ(1UL, sz);
ASSERT_EQ(0x12, rbuf[0]);
//読めない
sz = 1;
RingBufRead(&ringbuf, rbuf, &sz);
ASSERT_EQ(0UL, sz);
RingBufFree(&ringbuf);
}
}
TEST_F(RingBuf, RingBufRW1_2)
{
RingBuf_t ringbuf;
uint8_t wbuf[3];
uint8_t rbuf[5];
size_t sz;
for (int i = 0; i < 3; i++) {
RingBufAlloc(&ringbuf, 3);
ringbuf.rpos = ringbuf.wpos = i; //ずらす
//2回で書いて、1回で読む
//書ける
wbuf[0] = 0x12;
wbuf[1] = 0x34;
sz = 2;
RingBufWrite(&ringbuf, wbuf, &sz);
ASSERT_EQ(2UL, sz);
//書ける
wbuf[0] = 0x56;
wbuf[1] = 0x78;
sz = 2;
RingBufWrite(&ringbuf, wbuf, &sz);
ASSERT_EQ(1UL, sz);
//書けない
wbuf[0] = 0x78;
sz = 1;
RingBufWrite(&ringbuf, wbuf, &sz);
ASSERT_EQ(0UL, sz);
//読める
sz = 5;
RingBufRead(&ringbuf, rbuf, &sz);
ASSERT_EQ(3UL, sz);
ASSERT_EQ(0x12, rbuf[0]);
ASSERT_EQ(0x34, rbuf[1]);
ASSERT_EQ(0x56, rbuf[2]);
//読めない
sz = 1;
RingBufRead(&ringbuf, rbuf, &sz);
ASSERT_EQ(0UL, sz);
RingBufFree(&ringbuf);
}
}
TEST_F(RingBuf2, RingBufWrite5)
{
//空きがない
// +---+
// 2| |
// RW1| |
// 0| |
// +---+
RingBuf2::mBuf.rpos = 1;
RingBuf2::mBuf.wpos = 1;
RingBuf2::mBuf.empty = false;
const uint8_t DATA[] = { 6, 7 };
size_t sz = sizeof(DATA);
RingBufWrite(&RingBuf2::mBuf, DATA, &sz);
ASSERT_EQ(1, RingBuf2::mBuf.rpos);
ASSERT_EQ(1, RingBuf2::mBuf.wpos);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[0]);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[1]);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[2]);
ASSERT_FALSE(RingBuf2::mBuf.empty);
ASSERT_EQ(0UL, sz);
}
//*****************************************************************************
//
// The interrupt-context handler for touch screen events from the touch screen
// driver. This function merely bundles up the event parameters and posts
// them to a message queue. In the context of the main loop, they will be
// read from the queue and handled using TSMainHandler().
//
//*****************************************************************************
int32_t
TSHandler(uint32_t ui32Message, int32_t i32X, int32_t i32Y)
{
tScribbleMessage sMsg;
//
// Build the message that we will write to the queue.
//
sMsg.ui32Msg = ui32Message;
sMsg.i32X = i32X;
sMsg.i32Y = i32Y;
//
// Make sure the queue isn't full. If it is, we just ignore this message.
//
if(!RingBufFull(&g_sMsgQueue))
{
RingBufWrite(&g_sMsgQueue, (uint8_t *)&sMsg, sizeof(tScribbleMessage));
}
//
// Tell the touch handler that everything is fine.
//
return(1);
}
TEST_F(RingBuf2, RingBufWrite7)
{
//空き上がは1つで、下に1つ
// +---+
// W2| |
// R1| |
// 0| |
// +---+
RingBuf2::mBuf.rpos = 1;
RingBuf2::mBuf.wpos = 2;
RingBuf2::mBuf.empty = false;
//下エリアの空きが足りない
const uint8_t DATA[] = { 5, 6, 7 };
size_t sz = sizeof(DATA);
RingBufWrite(&RingBuf2::mBuf, DATA, &sz);
ASSERT_EQ(1, RingBuf2::mBuf.rpos);
ASSERT_EQ(1, RingBuf2::mBuf.wpos);
ASSERT_EQ(6, RingBuf2::mBuf.buf[0]);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[1]);
ASSERT_EQ(5, RingBuf2::mBuf.buf[2]);
ASSERT_FALSE(RingBuf2::mBuf.empty);
ASSERT_EQ(2UL, sz);
}
TEST_F(RingBuf2, RingBufWrite4)
{
//空き上がは2つで、下に空きがない
// +---+
// 2| |
// W1| |
// R0| |
// +---+
RingBuf2::mBuf.rpos = 0;
RingBuf2::mBuf.wpos = 1;
RingBuf2::mBuf.empty = false;
const uint8_t DATA[] = { 4, 5 };
size_t sz = sizeof(DATA);
RingBufWrite(&RingBuf2::mBuf, DATA, &sz);
ASSERT_EQ(0, RingBuf2::mBuf.rpos);
ASSERT_EQ(0, RingBuf2::mBuf.wpos);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[0]);
ASSERT_EQ(4, RingBuf2::mBuf.buf[1]);
ASSERT_EQ(5, RingBuf2::mBuf.buf[2]);
ASSERT_FALSE(RingBuf2::mBuf.empty);
ASSERT_EQ(2UL, sz);
}
void sbbs_t::ungetkey(char ch)
{
#if 0 /* this way breaks ansi_getxy() */
RingBufWrite(&inbuf,(uchar*)&ch,sizeof(uchar));
#else
keybuf[keybuftop++]=ch;
if(keybuftop==KEY_BUFSIZE)
keybuftop=0;
#endif
}
//*****************************************************************************
//
// Puts a UART message on the line to the RNP.
//
// \param pui8Msg pointer to the data that will be put on the bus. Must be
// already formated with SOF, length and checksum by the caller.
//
// \param ui16Length the number of bytes that are to be put out the UART.
//
// This function copies the message to the ring buffer and then starts a
// transmission process. Application must assure that transmitter is not busy.
//
//*****************************************************************************
void
RemoTIUARTPutMsg(uint8_t* pui8Msg, uint_fast16_t ui16Length)
{
bool bIntState;
//
// Capture the current state of the master interrupt enable.
//
bIntState = IntMasterDisable();
//
// Store the message in the ringbuffer for transmission.
//
RingBufWrite(&g_rbRemoTITxRingBuf, pui8Msg, ui16Length);
//
// If the UART transmit is idle prime the transmitter with first byte and.
// enable transmit interrupts.
//
if(!g_bTxBusy)
{
//
// Enable the TX interrupts and start the transmission of the first
// byte.
//
UARTIntEnable(g_ui32UARTBase, UART_INT_TX);
UARTCharPutNonBlocking(g_ui32UARTBase,
RingBufReadOne(&g_rbRemoTITxRingBuf));
//
// Set the Transmit busy flag.
//
g_bTxBusy = true;
}
//
// Restore the master interrupt enable to its previous state.
//
if(!bIntState)
{
IntMasterEnable();
}
//
// Finished.
//
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
BOOL SBBSExecInt29::handler(VMHANDLE hVM, CLIENT_STRUCT* pRegs, DWORD intno)
{
vm_t* vm = find_vm(hVM);
if(vm==NULL || !(vm->mode&SBBSEXEC_MODE_DOS_OUT)) {
return(FALSE); // Tells VMM that interrupt was not handled
}
if(!RingBufFree(&vm->out)) {
DBTRACEx(0,"!Int29 OUTPUT BUFFER OVERFLOW, hVM", hVM);
vm->overrun=true;
return(FALSE);
}
DBTRACEx(1,"Int29 OUTPUT", _clientAL);
BYTE ch=_clientAL;
RingBufWrite(&vm->out,&ch,1);
vm->overrun=false;
return(FALSE);
}
TEST_F(RingBuf2, RingBufWrite1)
{
//最小
// +---+
// 2| |
// 1| |
// RW0| |
// +---+
const uint8_t DATA[] = { 1, };
size_t sz = sizeof(DATA);
RingBufWrite(&RingBuf2::mBuf, DATA, &sz);
ASSERT_EQ(0, RingBuf2::mBuf.rpos);
ASSERT_EQ(1, RingBuf2::mBuf.wpos);
ASSERT_EQ(1, RingBuf2::mBuf.buf[0]);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[1]);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[2]);
ASSERT_FALSE(RingBuf2::mBuf.empty);
ASSERT_EQ(1UL, sz);
}
TEST_F(RingBuf2, RingBufWrite0)
{
//最小-1
// +---+
// 2| |
// 1| |
// RW0| |
// +---+
const uint8_t DATA[] = { 1, };
size_t sz = 0;
RingBufWrite(&RingBuf2::mBuf, DATA, &sz);
ASSERT_EQ(0, RingBuf2::mBuf.rpos);
ASSERT_EQ(0, RingBuf2::mBuf.wpos);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[0]);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[1]);
ASSERT_EQ(0xcc, RingBuf2::mBuf.buf[2]);
ASSERT_TRUE(RingBuf2::mBuf.empty);
ASSERT_EQ(0UL, sz);
}
void _cdecl input_thread(void* arg)
{
char buf[LINEAR_RX_BUFLEN];
int count;
lprintf(LOG_DEBUG,"input_thread: started");
while(1) {
count=RingBufFree(&rdbuf);
if(count<1) {
lprintf(LOG_WARNING,"input_thread: input buffer full!");
YIELD();
continue;
}
if(count>sizeof(buf))
count=sizeof(buf);
if(!ReadFile(rdslot,buf,count,&count,NULL)) {
if(GetLastError()==ERROR_HANDLE_EOF) { /* closed by VDD_CLOSE */
lprintf(LOG_INFO,"input_thread: ReadFile returned EOF");
break;
}
lprintf(LOG_ERR,"!input_thread: ReadFile Error %d (size=%d)"
,GetLastError(),count);
continue;
}
if(count==0) {
lprintf(LOG_ERR,"!input_thread: ReadFile read 0");
continue;
}
RingBufWrite(&rdbuf,buf,count);
if(virtualize_uart) {
/* Set the "Data ready" bit in the LSR */
uart_lsr_reg |= UART_LSR_DATA_READY;
assert_interrupt(UART_IER_RX_DATA); /* assert rx data interrupt */
}
}
lprintf(LOG_DEBUG,"input_thread: terminated");
}
int send_byte(void* unused, uchar ch, unsigned timeout)
{
uchar buf[2] = { TELNET_IAC, TELNET_IAC };
unsigned len=1;
DWORD result;
if(telnet && ch==TELNET_IAC) /* escape IAC char */
len=2;
else
buf[0]=ch;
if(RingBufFree(&outbuf)<len) {
fprintf(statfp,"FLOW");
flows++;
result=WaitForEvent(outbuf_empty,timeout*1000);
fprintf(statfp,"\b\b\b\b \b\b\b\b");
if(result!=WAIT_OBJECT_0) {
fprintf(statfp
,"\n!TIMEOUT (%d) waiting for output buffer to flush (%u seconds, %u bytes)\n"
,result, timeout, RingBufFull(&outbuf));
newline=TRUE;
if(RingBufFree(&outbuf)<len)
return(-1);
}
}
RingBufWrite(&outbuf,buf,len);
#if !defined(RINGBUF_EVENT)
ResetEvent(outbuf_empty);
#endif
#if 0
if(debug_tx)
lprintf(LOG_DEBUG,"TX: %s",chr(ch));
#endif
return(0);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
BOOL SBBSExecInt10::handler(VMHANDLE hVM, CLIENT_STRUCT* pRegs, DWORD intno)
{
BYTE ch;
DWORD avail;
vm_t* vm = find_vm(hVM);
if(vm==NULL || !(vm->mode&SBBSEXEC_MODE_DOS_OUT)) {
return(FALSE); // Tells VMM that interrupt was not handled
}
avail=RingBufFree(&vm->out);
switch(_clientAH) {
case 0x02: // Set Cursor Position
DBTRACE(1,"Int10 func 2 - Set cursor position");
break;
case 0x09: // Write char and attr at cursor
DBTRACE(1,"Int10 func 9 - Write char and attr at curosr");
case 0x10: // Write char at cursor
#if 0
DBTRACE(1,"Int10 func 9 - Write char at curosr");
if(!avail) {
DBTRACEx(0,"!OUTPUT BUFFER OVERFLOW, hVM", hVM);
vm->overrun=true;
break;
}
ch=_clientAL;
RingBufWrite(&vm->out,&ch,1);
vm->overrun=false;
#endif
break;
}
return(FALSE);
}
void sbbs_t::telnet_gate(char* destaddr, ulong mode, char* client_user_name, char* server_user_name, char* term_type)
{
char* p;
uchar buf[512];
int i;
int rd;
uint attempts;
ulong l;
bool gotline;
ushort port;
ulong ip_addr;
ulong save_console;
SOCKET remote_socket;
SOCKADDR_IN addr;
if(mode&TG_RLOGIN)
port=513;
else
port=IPPORT_TELNET;
p=strchr(destaddr,':');
if(p!=NULL) {
*p=0;
port=atoi(p+1);
}
ip_addr=resolve_ip(destaddr);
if(ip_addr==INADDR_NONE) {
lprintf(LOG_NOTICE,"!TELGATE Failed to resolve address: %s",destaddr);
bprintf("!Failed to resolve address: %s\r\n",destaddr);
return;
}
if((remote_socket = open_socket(SOCK_STREAM, client.protocol)) == INVALID_SOCKET) {
errormsg(WHERE,ERR_OPEN,"socket",0);
return;
}
memset(&addr,0,sizeof(addr));
addr.sin_addr.s_addr = htonl(startup->telnet_interface);
addr.sin_family = AF_INET;
if((i=bind(remote_socket, (struct sockaddr *) &addr, sizeof (addr)))!=0) {
lprintf(LOG_NOTICE,"!TELGATE ERROR %d (%d) binding to socket %d",i, ERROR_VALUE, remote_socket);
bprintf("!ERROR %d (%d) binding to socket\r\n",i, ERROR_VALUE);
close_socket(remote_socket);
return;
}
memset(&addr,0,sizeof(addr));
addr.sin_addr.s_addr = ip_addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
if((i=connect(remote_socket, (struct sockaddr *)&addr, sizeof(addr)))!=0) {
lprintf(LOG_NOTICE,"!TELGATE ERROR %d (%d) connecting to server: %s"
,i,ERROR_VALUE, destaddr);
bprintf("!ERROR %d (%d) connecting to server: %s\r\n"
,i,ERROR_VALUE, destaddr);
close_socket(remote_socket);
return;
}
l=1;
if((i = ioctlsocket(remote_socket, FIONBIO, &l))!=0) {
lprintf(LOG_NOTICE,"!TELGATE ERROR %d (%d) disabling socket blocking"
,i, ERROR_VALUE);
close_socket(remote_socket);
return;
}
lprintf(LOG_INFO,"Node %d %s gate to %s port %u on socket %d"
,cfg.node_num
,mode&TG_RLOGIN ? "RLogin" : "Telnet"
,destaddr,port,remote_socket);
if(!(mode&TG_CTRLKEYS))
console|=CON_RAW_IN;
if(mode&TG_RLOGIN) {
p=(char*)buf;
*(p++)=0;
p+=sprintf(p,"%s",client_user_name==NULL ? useron.alias : client_user_name);
p++; // Add NULL
p+=sprintf(p,"%s",server_user_name==NULL ? useron.name : server_user_name);
p++; // Add NULL
if(term_type!=NULL)
p+=sprintf(p,"%s",term_type);
else
p+=sprintf(p,"%s/%u",terminal, cur_rate);
p++; // Add NULL
l=p-(char*)buf;
sendsocket(remote_socket,(char*)buf,l);
mode|=TG_NOLF; /* Send LF (to remote host) when Telnet client sends CRLF (when not in binary mode) */
}
/* This is required for gating to Unix telnetd */
if(mode&TG_NOTERMTYPE)
request_telnet_opt(TELNET_DONT,TELNET_TERM_TYPE, 3000); // Re-negotiation of terminal type
/* Text/NVT mode by default */
request_telnet_opt(TELNET_DONT,TELNET_BINARY_TX, 3000);
if(!(telnet_mode&TELNET_MODE_OFF) && (mode&TG_PASSTHRU))
telnet_mode|=TELNET_MODE_GATE; // Pass-through telnet commands
while(online) {
if(!(mode&TG_NOCHKTIME))
gettimeleft();
rd=RingBufRead(&inbuf,buf,sizeof(buf));
if(rd) {
#if 0
if(memchr(buf,TELNET_IAC,rd)) {
char dump[2048];
dump[0];
p=dump;
for(int i=0;i<rd;i++)
p+=sprintf(p,"%u ",buf[i]);
lprintf(LOG_DEBUG,"Node %d Telnet cmd from client: %s", cfg.node_num, dump);
}
#endif
if(telnet_remote_option[TELNET_BINARY_TX]!=TELNET_WILL) {
if(*buf==0x1d) { // ^]
save_console=console;
console&=~CON_RAW_IN; // Allow Ctrl-U/Ctrl-P
CRLF;
while(online) {
SYNC;
mnemonics("\1n\r\n\1h\1bTelnet Gate: \1y~D\1wisconnect, "
"\1y~E\1wcho toggle, \1y~L\1wist Users, \1y~P\1wrivate message, "
"\1y~Q\1wuit: ");
switch(getkeys("DELPQ",0)) {
case 'D':
closesocket(remote_socket);
break;
case 'E':
mode^=TG_ECHO;
bprintf(text[EchoIsNow]
,mode&TG_ECHO
? text[ON]:text[OFF]);
continue;
case 'L':
whos_online(true);
continue;
case 'P':
nodemsg();
continue;
}
break;
}
attr(LIGHTGRAY);
console=save_console;
}
else if(*buf<' ' && (mode&TG_CTRLKEYS))
handle_ctrlkey(*buf, K_NONE);
gotline=false;
if((mode&TG_LINEMODE) && buf[0]!='\r') {
ungetkey(buf[0]);
l=K_CHAT;
if(!(mode&TG_ECHO))
l|=K_NOECHO;
rd=getstr((char*)buf,sizeof(buf)-1,l);
if(!rd)
continue;
strcat((char*)buf,crlf);
rd+=2;
gotline=true;
}
if((mode&TG_CRLF) && buf[rd-1]=='\r')
buf[rd++]='\n';
else if((mode&TG_NOLF) && buf[rd-1]=='\n')
rd--;
if(!gotline && (mode&TG_ECHO) && rd) {
RingBufWrite(&outbuf,buf,rd);
}
} /* Not Telnet Binary mode */
if(rd > 0) {
for(attempts=0;attempts<60 && online; attempts++) /* added retry loop here, Jan-20-2003 */
{
if((i=sendsocket(remote_socket,(char*)buf,rd))>=0)
break;
if(ERROR_VALUE!=EWOULDBLOCK)
break;
mswait(500);
}
if(i<0) {
lprintf(LOG_NOTICE,"!TELGATE ERROR %d sending on socket %d",ERROR_VALUE,remote_socket);
break;
}
}
}
rd=recv(remote_socket,(char*)buf,sizeof(buf),0);
if(rd<0) {
if(ERROR_VALUE==EWOULDBLOCK) {
if(mode&TG_NODESYNC) {
SYNC;
} else {
// Check if the node has been interrupted
getnodedat(cfg.node_num,&thisnode,0);
if(thisnode.misc&NODE_INTR)
break;
}
YIELD();
continue;
}
lprintf(LOG_NOTICE,"!TELGATE ERROR %d receiving on socket %d",ERROR_VALUE,remote_socket);
break;
}
if(!rd) {
lprintf(LOG_INFO,"Node %d Telnet gate disconnected",cfg.node_num);
break;
}
#if 0
if(memchr(buf,TELNET_IAC,rd)) {
char dump[2048];
dump[0];
p=dump;
for(int i=0;i<rd;i++)
p+=sprintf(p,"%u ",buf[i]);
lprintf(LOG_DEBUG,"Node %d Telnet cmd from server: %s", cfg.node_num, dump);
}
#endif
RingBufWrite(&outbuf,buf,rd);
}
console&=~CON_RAW_IN;
telnet_mode&=~TELNET_MODE_GATE;
/* Disable Telnet Terminal Echo */
request_telnet_opt(TELNET_WILL,TELNET_ECHO);
close_socket(remote_socket);
lprintf(LOG_INFO,"Node %d Telnet gate to %s finished",cfg.node_num,destaddr);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
BOOL SBBSExecInt21::handler(VMHANDLE hVM, CLIENT_STRUCT* pRegs, DWORD intno)
{
BYTE ch;
BYTE* buffer;
WORD buflen;
vm_t* vm = find_vm(hVM);
if(vm==NULL || !(vm->mode&SBBSEXEC_MODE_DOS_OUT)) {
#if 0
if(vm && !(vm->mode&SBBSEXEC_MODE_DOS_OUT)) {
DBTRACEx(0,"Int21 on unsupported VM", hVM);
}
#endif
return(FALSE); // Tells VMM that interrupt was not handled
}
DBTRACEx(1,"Int21 function", _clientAH);
DWORD avail = RingBufFree(&vm->out);
switch(_clientAH) {
case 0x01:
DBTRACE(0,"!Int21 Char input WITH echo");
break;
case 0x06: // Direct console I/O
DBTRACEx(0,"DOS DIRECT CONSOLE IO, DL", _clientDL);
if(_clientDL==0xff) {
avail=RingBufFull(&vm->in);
if(avail) {
DBTRACEd(0,"avail",avail);
RingBufRead(&vm->in, &ch, 1);
_clientFlags&=~(1<<6); // clear zero flag
_clientAX=ch;
return(TRUE);
}
break;
}
// fall-through
case 0x02: // Character output
DBTRACEx(1,"Int21 function", _clientAH);
if(!avail) {
DBTRACEx(0,"!OUTPUT BUFFER OVERFLOW, hVM", hVM);
vm->overrun=true;
break;
}
ch=_clientDL;
RingBufWrite(&vm->out,&ch,1);
vm->overrun=false;
break;
case 0x09: // Display string
DBTRACE(0,"!Int21 func 09 - DISPLAY STRING");
break;
case 0x0A: // Buffered keyboard input
DBTRACE(0,"Int21 Func 0A - Buffered Keyboard Input");
/* Need to get a string from the user, echo, and copy to DS:DX */
/* byte 0 = max length, byte 1 = actual read (minus CR) */
break;
case 0x40: // Write file or device
if(_clientBX!=1 && _clientBX!=2) { // !stdout and !stderr
DBTRACEd(1,"!Int21 write to unsupported device", _clientBX);
break;
}
DBTRACEdd(1,"Int21 write file", _clientBX, _clientCX);
buffer = (BYTE*)MAPFLAT(CRS.Client_DS, CWRS.Client_DX);
buflen = _clientCX;
if(avail<buflen) {
DBTRACEd(0,"!OUTPUT BUFFER OVERFLOW, avail", avail);
vm->overrun=true;
if(!avail)
break;
buflen=avail;
}
RingBufWrite(&vm->out,buffer,buflen);
vm->overrun=false;
break;
}
return(FALSE); // Tells VMM that interrupt was not handled
}
BOOL SBBSExecInt14::handler(VMHANDLE hVM, CLIENT_STRUCT* pRegs, DWORD intno)
{
BYTE* buffer;
BYTE ch;
WORD buflen;
WORD rd,wr;
WORD avail;
vm_t* vm = find_vm(hVM);
if(vm==NULL || vm->mode!=SBBSEXEC_MODE_FOSSIL) {
return(FALSE); // Tells VMM that interrupt was not handled
}
DBTRACEx(4,"Int14 func",_clientAH);
switch(_clientAH) {
case 0x00: /* Initialize/Set baud rate */
DBTRACE(0,"Int14 init");
_clientAX=PortStatus(vm);
break;
case 0x01: /* write char to com port */
if(RingBufFree(&vm->out)<2) {
DBTRACEx(1,"!OUTPUT BUFFER OVERFLOW, hVM", hVM);
vm->output_sem=Create_Semaphore(0);
Wait_Semaphore(vm->output_sem,BLOCK_THREAD_IDLE);
Destroy_Semaphore(vm->output_sem);
vm->output_sem=NULL;
if(!vm->online) {
DBTRACE(0,"!USER HUNG UP");
return(true);
}
}
ch=_clientAL;
RingBufWrite(&vm->out,&ch,1);
#if 0 /* Now done in SBBS.DLL/XTRN.CPP */
if(ch==0xff) { /* escape TELNET IAC */
RingBufWrite(&vm->out,&ch,1);
DBTRACE(1,"Escaped IAC in output stream");
}
#endif
vm->overrun=false;
_clientAX=PortStatus(vm);
break;
case 0x02: /* read char from com port */
if(!RingBufFull(&vm->in)) {
DBTRACEx(0,"Waiting on input semaphore, hVM", hVM);
vm->input_sem=Create_Semaphore(0);
Wait_Semaphore(vm->input_sem,BLOCK_THREAD_IDLE);
Destroy_Semaphore(vm->input_sem);
vm->input_sem=NULL;
#if 0
_clientAH=0x80; /* timed-out */
return(TRUE);
#endif
}
RingBufRead(&vm->in,&ch,1);
_clientAH=0;
_clientAL=ch;
break;
case 0x03: /* request status */
_clientAX=PortStatus(vm);
break;
case 0x04: /* initialize */
DBTRACE(0,"Int14 func 4 init");
_clientAX=0x1954; /* magic number = success */
_clientBH=5; /* FOSSIL rev */
_clientBL=0x1B; /* maximum FOSSIL func supported */
break;
case 0x08: // flush output buffer
DBTRACE(0,"Int14 FLUSH OUTPUT BUFFER");
vm->output_sem=Create_Semaphore(0);
Wait_Semaphore(vm->output_sem,BLOCK_THREAD_IDLE);
Destroy_Semaphore(vm->output_sem);
vm->output_sem=NULL;
break;
case 0x09: // purge output buffer
DBTRACE(0,"Int14 PURGE OUTPUT BUFFER");
RingBufReInit(&vm->out);
break;
case 0x0A: // purge input buffer
DBTRACE(0,"Int14 PURGE INPUT BUFFER");
RingBufReInit(&vm->in);
break;
case 0x0B: /* write char to com port, no wait */
if(RingBufFree(&vm->out)<2) {
_clientAX=0; // char was not accepted
break;
}
ch=_clientAL;
RingBufWrite(&vm->out,&ch,1);
#if 0 /* Now done in SBBS.DLL/XTRN.CPP */
if(ch==0xff) { /* escape TELNET IAC */
RingBufWrite(&vm->out,&ch,1);
DBTRACE(1,"Escaped IAC in output stream");
}
#endif
_clientAX=1; // char was accepted
break;
case 0x0C: // non-destructive read-ahead
if(!RingBufFull(&vm->in)) {
_clientAX=0xffff; // no char available
break;
}
RingBufPeek(&vm->in,&ch,1);
_clientAH=0;
_clientAL=ch;
break;
case 0x13: /* write to display */
dprintf("%c",_clientAL);
break;
case 0x18: /* read bock */
rd=_clientCX;
avail=RingBufFull(&vm->in);
if(rd>avail)
rd=avail;
if(rd) {
buffer = (BYTE*)MAPFLAT(CRS.Client_ES, CWRS.Client_DI);
rd = RingBufRead(&vm->in, buffer, rd);
}
_clientAX = rd;
break;
case 0x19: /* write block */
wr=_clientCX;
avail=RingBufFree(&vm->out);
if(wr>avail)
wr=avail;
if(wr) {
buffer = (BYTE*)MAPFLAT(CRS.Client_ES, CWRS.Client_DI);
wr = RingBufWrite(&vm->out, buffer, wr);
}
_clientAX = wr;
break;
#if 1
case 0x1B: // driver info
{
DBTRACE(1,"Int14 driver info");
struct {
WORD info_size;
BYTE curr_fossil;
BYTE curr_rev;
DWORD id_string;
WORD inbuf_size;
WORD inbuf_free;
WORD outbuf_size;
WORD outbuf_free;
BYTE screen_width;
BYTE screen_height;
BYTE baud_rate;
} info={ sizeof(info), 5, 1, 0
,RINGBUF_SIZE_IN-1, RingBufFree(&vm->in)
,RINGBUF_SIZE_OUT-1, RingBufFree(&vm->out)
,80,25
,1 // 38400
};
// Map_Lin_To_VM_Addr
buffer = (BYTE*)MAPFLAT(CRS.Client_ES, CWRS.Client_DI);
wr=sizeof(info);
if(wr>_clientCX)
wr=_clientCX;
memcpy(buffer, &info, wr);
_clientAX=wr;
break;
}
#endif
default:
DBTRACEx(0,"!UNHANDLED INTERRUPT 14h function",_clientAH);
break;
}
return(TRUE); // Tells VMM that interrupt was handled
}
bool sbbs_t::spy(uint i /* node_num */)
{
char ch;
char ansi_seq[32];
int ansi_len;
int in;
if(!i || i>MAX_NODES) {
bprintf("Invalid node number: %d\r\n",i);
return(false);
}
if(i==cfg.node_num) {
bprintf("Can't spy on yourself.\r\n");
return(false);
}
if(spy_socket[i-1]!=INVALID_SOCKET) {
bprintf("Node %d already being spied (%lx)\r\n",i,spy_socket[i-1]);
return(false);
}
bprintf("*** Synchronet Remote Spy on Node %d: Ctrl-C to Abort ***"
"\r\n\r\n",i);
spy_socket[i-1]=client_socket;
ansi_len=0;
while(online
&& client_socket!=INVALID_SOCKET
&& spy_socket[i-1]!=INVALID_SOCKET
&& !msgabort()) {
in=incom(1000);
if(in==NOINP) {
gettimeleft();
continue;
}
ch=in;
if(ch==ESC) {
if(!ansi_len) {
ansi_seq[ansi_len++]=ch;
continue;
}
ansi_len=0;
}
if(ansi_len && ansi_len<(int)sizeof(ansi_seq)-2) {
if(ansi_len==1) {
if(ch=='[') {
ansi_seq[ansi_len++]=ch;
continue;
}
ansi_len=0;
}
if(ch=='R') { /* throw-away cursor position report */
ansi_len=0;
continue;
}
ansi_seq[ansi_len++]=ch;
if(isalpha(ch)) {
RingBufWrite(node_inbuf[i-1],(uchar*)ansi_seq,ansi_len);
ansi_len=0;
}
continue;
}
if(ch<' ') {
lncntr=0; /* defeat pause */
spy_socket[i-1]=INVALID_SOCKET; /* disable spy output */
ch=handle_ctrlkey(ch,K_NONE);
spy_socket[i-1]=client_socket; /* enable spy output */
if(ch==0)
continue;
}
if(node_inbuf[i-1]!=NULL)
RingBufWrite(node_inbuf[i-1],(uchar*)&ch,1);
}
spy_socket[i-1]=INVALID_SOCKET;
return(true);
}
DWORD SBBSExec::OnW32DeviceIoControl(PIOCTLPARAMS pIOCTL)
{
DWORD rd;
DWORD wr;
DWORD avail;
vm_t* vm;
// DBTRACEd(0,"SBBSEXEC ioctl"
//,pIOCTL->dioc_IOCtlCode);
switch(pIOCTL->dioc_IOCtlCode) {
case DIOC_OPEN:
DBTRACEd(0,"IOCTL: OPEN",Get_System_Time());
break;
case DIOC_CLOSEHANDLE:
DBTRACEd(0,"IOCTL: CLOSE",Get_System_Time());
break;
case SBBSEXEC_IOCTL_START:
DBTRACEd(0,"IOCTL: START",Get_System_Time());
DBTRACEx(0,"Current Thread Handle",Get_Cur_Thread_Handle());
if(start.event) {
DBTRACE(0,"Exec already started!");
return(SBBSEXEC_ERROR_INUSE);
}
if (pIOCTL->dioc_InBuf==NULL
|| pIOCTL->dioc_cbInBuf!=sizeof(start)) {
return(SBBSEXEC_ERROR_INBUF);
}
start=*(sbbsexec_start_t*)pIOCTL->dioc_InBuf;
break;
case SBBSEXEC_IOCTL_COMPLETE:
DBTRACEd(0,"IOCTL: COMPLETE",Get_System_Time());
if(start.event || new_vm==NULL) {
DBTRACE(0,"!VM never created");
start.event=0;
return(SBBSEXEC_ERROR_INUSE);
}
if(pIOCTL->dioc_OutBuf==NULL
|| pIOCTL->dioc_cbOutBuf<sizeof(VMHANDLE)) {
DBTRACE(0,"!Invalid OUTBUF");
return(SBBSEXEC_ERROR_OUTBUF);
}
*(VMHANDLE*)pIOCTL->dioc_OutBuf=new_vm->handle;
DBTRACEx(0,"CREATED VM HANDLE", new_vm->handle);
new_vm=NULL;
if(pIOCTL->dioc_bytesret!=NULL)
*pIOCTL->dioc_bytesret = sizeof(VMHANDLE);
break;
case SBBSEXEC_IOCTL_READ:
if (pIOCTL->dioc_InBuf==NULL
|| pIOCTL->dioc_cbInBuf!=sizeof(VMHANDLE)) {
DBTRACE(0,"!INVALID INBUF");
return(SBBSEXEC_ERROR_INBUF);
}
if (pIOCTL->dioc_OutBuf==NULL || pIOCTL->dioc_cbOutBuf==0) {
DBTRACE(0,"!INVALID OUTBUF");
return(SBBSEXEC_ERROR_OUTBUF);
}
vm = find_vm(*(VMHANDLE*)pIOCTL->dioc_InBuf);
if(vm==NULL) {
DBTRACE(0,"!NO VM LIST");
return(SBBSEXEC_ERROR_INDATA);
}
rd = RingBufFull(&vm->out);
if(rd>pIOCTL->dioc_cbOutBuf) {
DBTRACEdd(0,"Reducing read size"
,rd, pIOCTL->dioc_cbOutBuf);
rd=pIOCTL->dioc_cbOutBuf;
}
RingBufRead(&vm->out, (BYTE*)pIOCTL->dioc_OutBuf, rd);
if(pIOCTL->dioc_bytesret!=NULL)
*pIOCTL->dioc_bytesret = rd;
if(vm->output_sem!=NULL) // Wake up int14 handler
Signal_Semaphore(vm->output_sem);
if(rd>1) {
DBTRACEd(1,"IOCTL_READ bytes", rd);
}
break;
case SBBSEXEC_IOCTL_WRITE:
if (pIOCTL->dioc_InBuf==NULL
|| pIOCTL->dioc_cbInBuf<sizeof(VMHANDLE)+1) {
DBTRACE(0,"!INVALID INBUF");
return(SBBSEXEC_ERROR_INBUF);
}
if (pIOCTL->dioc_OutBuf==NULL
|| pIOCTL->dioc_cbOutBuf!=sizeof(DWORD)) {
DBTRACE(0,"!INVALID OUTBUF");
return(SBBSEXEC_ERROR_OUTBUF);
}
vm = find_vm(*(VMHANDLE*)pIOCTL->dioc_InBuf);
if(vm==NULL) {
DBTRACE(0,"!NO VM LIST");
return(SBBSEXEC_ERROR_INDATA);
}
wr = pIOCTL->dioc_cbInBuf-sizeof(VMHANDLE);
avail = RingBufFree(&vm->in);
if(wr>avail) {
DBTRACEdd(0,"Reducing write size", wr, avail);
wr=avail;
}
RingBufWrite(&vm->in, (BYTE*)pIOCTL->dioc_InBuf+sizeof(VMHANDLE), wr);
*(DWORD *)pIOCTL->dioc_OutBuf = wr;
if(pIOCTL->dioc_bytesret!=NULL)
*pIOCTL->dioc_bytesret = sizeof(DWORD);
if(vm->input_sem!=NULL) // Wake up int14 handler
Signal_Semaphore(vm->input_sem);
// Wake up the VDM (improves keyboard response - dramatically!)
Wake_Up_VM(vm->handle);
break;
case SBBSEXEC_IOCTL_DISCONNECT:
DBTRACEd(0,"IOCTL: DISCONNECT",Get_System_Time());
if (pIOCTL->dioc_InBuf==NULL
|| pIOCTL->dioc_cbInBuf!=sizeof(VMHANDLE)) {
DBTRACE(0,"!INVALID INBUF");
return(SBBSEXEC_ERROR_INBUF);
}
vm = find_vm(*(VMHANDLE*)pIOCTL->dioc_InBuf);
if(vm==NULL) {
DBTRACE(0,"!NO VM LIST");
return(SBBSEXEC_ERROR_INDATA);
}
vm->online=false;
if(vm->input_sem!=NULL) // Wake up int14 handler
Signal_Semaphore(vm->input_sem);
if(vm->output_sem!=NULL) // Wake up int14 handler
Signal_Semaphore(vm->output_sem);
break;
case SBBSEXEC_IOCTL_STOP:
DBTRACEd(0,"IOCTL: STOP",Get_System_Time());
if (pIOCTL->dioc_InBuf==NULL
|| pIOCTL->dioc_cbInBuf!=sizeof(VMHANDLE)) {
DBTRACE(0,"!INVALID INBUF");
return(SBBSEXEC_ERROR_INBUF);
}
vm = find_vm(*(VMHANDLE*)pIOCTL->dioc_InBuf);
if(vm==NULL) {
DBTRACE(0,"!NO VM LIST");
return(SBBSEXEC_ERROR_INDATA);
}
DBTRACEx(0,"CLOSING VM HANDLE", vm->handle);
vm->handle=NULL; // Mark as available
RingBufDispose(&vm->in);
RingBufDispose(&vm->out);
if(vm->input_sem!=NULL) // Wake up int14 handler
Signal_Semaphore(vm->input_sem);
if(vm->output_sem!=NULL) // Wake up int14 handler
Signal_Semaphore(vm->output_sem);
vm->input_sem=NULL;
vm->output_sem=NULL;
break;
default:
DBTRACEdx(0,"!UNKNOWN IOCTL"
,pIOCTL->dioc_IOCtlCode,pIOCTL->dioc_IOCtlCode);
return(SBBSEXEC_ERROR_IOCTL);
}
return (0); // DEVIOCTL_NOERROR);
}
void __fastcall TSpyForm::FormKeyPress(TObject *Sender, char &Key)
{
if(KeyboardActive->Checked && inbuf!=NULL && *inbuf!=NULL)
RingBufWrite(*inbuf,&Key,1);
}
