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y4my4my4m 2023-05-02 19:37:39 +09:00
parent d15cc51760
commit ba6f4529dc
5 changed files with 103 additions and 109 deletions
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0
src/Home/Telnet/Art/MATRIX.ANS Normal file → Executable file
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src/Home/Telnet/Art/MATRIX2.ANS Normal file
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src/Home/Telnet/Art/ZealBanner.DD Normal file → Executable file
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src/Home/Telnet/Art/ZealSplash.ans Normal file → Executable file
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210
src/Home/Telnet/Telnet.ZC
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@ -2,9 +2,25 @@
// Public Domain
#define TELNET_PORT 23
#define BUF_SIZE 5120 // way too big?
#define BUF_SIZE 2048 // way too big?
#define TIMEOUT_DURATION 5000
#define NEGOTIATE 0xFF
#define IAC 0xFF
#define WILL 0xFB
#define WONT 0xFC
#define DO 0xFD
#define DONT 0xFE
#define ECHO 0x01
#define SUPPRESS_GO_AHEAD 0x03
#define TERMINAL_TYPE 0x18
#define NAWS 0x1F
#define IS 0x00
#define SE 0xF0
#define ANSI_ESC 0x1B
#define ANSI_CSI 0x5B // [
I64 TelnetOpen(U8 *host, U16 port) {
I64 sock;
@ -19,7 +35,7 @@ I64 TelnetOpen(U8 *host, U16 port) {
return sock;
}
// sock(CTCPSocket *)->timeout = TCP_TIMEOUT;
//sock(CTCPSocket *)->timeout = TCP_TIMEOUT;
return sock;
}
@ -111,47 +127,38 @@ U0 HandleControlCodes(U8 ch) {
}
}
else {
switch (ch) {
// not sure if there's any point looking for these codes here?
case 0x0A: // Line Feed
case 0x0C: // Form Feed
break;
case 0x0D: // Carriage Return
"\r\0";
break;
case 0x1B: // Escape
break;
case 0x24: // FIXME: Need to escape the dollar sign
// switch (ch) {
// // if (ch > 126) break;
// // not sure if there's any point looking for these codes here?
// case 0x0A: // Line Feed
// case 0x0C: // Form Feed
// break;
// case 0x0D: // Carriage Return
// "\r\0";
// break;
// case 0x1B: // Escape
// break;
// case 0x24: // FIXME: Need to escape the dollar sign
// ch = "//$$$$";
// break;
// default:
// // SysLog("Code: 0x%02X\n", ch);
// break;
// }
if (ch == 0x24) {
ch = "//$$$$";
break;
default:
// SysLog("Code: 0x%02X\n", ch);
"%c", ch;
break;
}
"%c", ch;
}
}
// U0 HandleMCICode(U8 *ptr, I64 *index) {
// U8 code[4];
// MemCopy(code, ptr + *index, 3);
// *index += 3;
// if (StrCompare(code, "ET1") == 0) {
// // Handle ET1 MCI code here
// }
// SysLog("MCI code: %s\n", code);
// // Add support for other MCI codes if needed
// }
U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
I64 sock, bytes_received, input_len, sc = 0;
U8 buffer[BUF_SIZE], input_buffer[BUF_SIZE], *ptr, ch;
Bool force_disconnect = FALSE;
I64 window_width = 80;
// I64 window_height = 25; // 25 should be default
I64 window_height = 40;
I64 window_height = 25; // 25 should be default
I64 window_left = (GR_WIDTH - window_width) / 2;
I64 window_top = (Fs->win_bottom - Fs->win_top - window_height) / 2;
@ -178,72 +185,76 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
// Basic Telnet protocol parser
ptr = buffer;
while (*ptr) {
// SysLog("BUF: 0x%02X\n", *ptr);
if (*ptr == 0xFF) { // Telnet negotiation sequence
// Telnet negotiation sequence
if (*ptr == NEGOTIATE) {
U8 negotiation_code = *(ptr + 1);
U8 option_code = *(ptr + 2);
// Send a response to the server
U8 response[4];
response[0] = 0xFF; // IAC
response[0] = IAC;
if (negotiation_code == 0xFD || negotiation_code == 0xFE) { // DO or DONT
if (option_code == 0x01) { // Echo
if (negotiation_code == 0xFD) {
response[1] = 0xFB; // WILL
if (negotiation_code == DO || negotiation_code == DO) {
if (option_code == ECHO) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = 0xFC; // WONT
response[1] = WONT;
}
} else if (option_code == 0x03) { // Suppress Go Ahead
if (negotiation_code == 0xFD) {
response[1] = 0xFB; // WILL
} else if (option_code == SUPPRESS_GO_AHEAD) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = 0xFC; // WONT
response[1] = WONT;
}
} else if (option_code == 0x18) { // Terminal Type
if (negotiation_code == 0xFD) {
response[1] = 0xFB; // WILL
} else if (option_code == TERMINAL_TYPE) {
if (negotiation_code == DO) {
response[1] = WILL;
response[2] = option_code;
response[3] = '\0';
TCPSocketSendString(sock, response);
SendTerminalType(sock, "ANSI");
SendWindowSize(sock, 25, 80);
} else {
response[1] = 0xFC; // WONT
response[1] = WONT;
}
} else {
response[1] = 0xFC; // WONT
response[1] = WONT;
}
} else { // WILL or WONT
response[1] = 0xFE; // DONT
} else {
response[1] = DONT;
}
response[2] = option_code;
response[3] = '\0';
TCPSocketSendString(sock, response);
ptr += 3;
} else if (*ptr == 0x1B) {
}
else if (*ptr == ANSI_ESC) {
// ANSI escape sequence
ptr++;
if (*ptr == '[') {
if (*ptr == ANSI_CSI) {
ptr++;
I64 ansi_code;
while (1) {
ansi_code = 0;
while (*ptr >= '0' && *ptr <= '9') {
ansi_code = ansi_code * 10 + (*ptr - '0');
// HandleControlCodes(*ptr);
ptr++;
}
// Process ansi_code
if (*ptr == ';') {
ptr++; // Move to the next part of the sequence
ptr++;
} else if (*ptr == 'A') {
// TODO: Cursor Up
// arg = isNaN(args[0]) ? 1 : args[0];
// self.moveCursor(0, -arg);
ptr++;
break;
} else if (*ptr == 'B') {
// TODO: Cursor Down
// arg = isNaN(args[0]) ? 1 : args[0];
// self.moveCursor(0, arg);
ptr++;
break;
} else if (*ptr == 'C') {
@ -252,18 +263,26 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
for (i = 0; i < ansi_code; i++) {
Print(" ");
}
// arg = isNaN(args[0]) ? 1 : args[0];
// self.moveCursor(arg, 0);
ptr++;
break;
} else if (*ptr == 'D') {
// TODO: Cursor Left
// arg = isNaN(args[0]) ? 1 : args[0];
// self.moveCursor(-arg, 0);
ptr++;
break;
} else if (*ptr == 'E') {
Print("\n");
ptr++;
break;
} else if (*ptr == 'H') {
} else if (*ptr == 'H' || *ptr == 'f') {
// TODO: Cursor Position
// self.row = isNaN(args[0]) ? 1 : args[0];
// self.column = isNaN(args[1]) ? 1 : args[1];
// self.positionUpdated();
SysLog("H detected");
ptr++;
break;
} else if (*ptr == 'J') {
@ -284,7 +303,32 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
ptr++;
break;
} else if (*ptr == '?') {
ptr++; // Skip the '?'
switch (ansi_code) {
case 25:
if (*ptr == 'l') // Hide cursor
break;
if (*ptr == 'h') // Show cursor
break;
SysLog("code 25");
break;
case 1049:
if (*ptr == 'h') // Save screen and switch to alternate screen buffer
break;
if (*ptr == 'l') // Restore screen and switch back to main screen buffer
break;
SysLog("code 1049");
break;
}
ptr++;
break;
} else if (*ptr == 's') {
// self.saveCursorPosition();
ptr++;
break;
} else if (*ptr == 'r') {
// self.restoreCursorPosition();
ptr++;
break;
} else if (*ptr == 'm') {
switch (ansi_code) {
case 0: "$$BG$$$$FG$$"; break; // reset
@ -298,7 +342,6 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
// case 8: ""; break; // TODO: hide (rare)
// case 9: ""; break; // TODO: strikethrough
// case 10: ""; break; // TODO: primary font
}
I64 color_code;
if (ansi_code >= 30 && ansi_code <= 37) {
@ -329,10 +372,6 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
}
}
}
else {
ptr++;
break;
}
}
else {
// Print the received character
@ -341,48 +380,13 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
}
}
// Sleep(2000);
// Sleep(500);
// Prompt user for input and send it to the remote host
"\n$$RED$$$BK,1$Input$BK,0$$$BLACK$$: ";
U8 *line = input_buffer;
// U8 *end_of_line = line;
input_len = 0;
while (1) {
// switch (KeyGet(&sc))
// {
// case 0:
// switch (sc.u8[0])
// {
// case SC_CURSOR_UP:
// TCPSocketSendString(sock, "CU01");
// SysLog("Cursor up");
// break;
// case SC_CURSOR_DOWN:
// TCPSocketSendString(sock, "CD01");
// SysLog("Cursor down");
// break;
// case SC_CURSOR_LEFT:
// TCPSocketSendString(sock, "CB01");
// SysLog("Cursor left");
// if (line > input_buffer) {
// line--;
// "%c", 8;
// }
// break;
// case SC_CURSOR_RIGHT:
// SysLog("Cursor right");
// TCPSocketSendString(sock, "CF01");
// if (line < end_of_line) {
// "%c", *line++;
// }
// break;
// default:
// break;
// }
// default:
// break;
// }
ch = CharGet(, FALSE);
if (ch == '\r' || ch == '\n') {
break;
@ -391,20 +395,10 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
force_disconnect = TRUE;
break;
}
// if (ch == CH_BACKSPACE || ch == 127) { // Backspace or Delete key
// if (line != input_buffer) {
// line--; // Move the pointer back
// "%c%c%c", 8, ' ', 8; // Move the cursor back, erase the character, and move the cursor back again
// }
// }
// *line++ = ch;
input_buffer[input_len++] = ch;
"%c", ch;
}
input_buffer[input_len] = '\0';
// *line++ = '\r';
// *line++ = '\n';
// *line = '\0';
if (!force_disconnect) {
input_buffer[input_len++] = '\r';