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cleanup

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This commit is contained in:
y4my4my4m 2023-05-10 20:30:47 +09:00
parent 736ebce98a
commit 34c740feff
2 changed files with 158 additions and 129 deletions
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220
src/Home/Telnet/Telnet.ZC
View file

@ -2,7 +2,7 @@
// Public Domain // Public Domain
#define TELNET_PORT 23 #define TELNET_PORT 23
#define BUF_SIZE 40960 // way too big? #define BUF_SIZE 8192 // way too big?
#define TIMEOUT_DURATION 5000 #define TIMEOUT_DURATION 5000
#define NEGOTIATE 0xFF #define NEGOTIATE 0xFF
@ -260,84 +260,37 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
while (*ptr) { while (*ptr) {
// Telnet negotiation sequence // Telnet negotiation sequence
if (*ptr == NEGOTIATE) { if (*ptr == NEGOTIATE) {
U8 negotiation_code = *(ptr + 1); // include TelnetNegotiation.ZC here i guess
U8 option_code = *(ptr + 2);
// Send a response to the server
U8 response[4];
response[0] = IAC;
if (negotiation_code == DO || negotiation_code == DONT) {
if (option_code == ECHO) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else if (option_code == SUPPRESS_GO_AHEAD) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else if (option_code == TERMINAL_TYPE) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else if (option_code == NAWS) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else if (option_code == LINEMODE) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else {
response[1] = WONT;
}
} else {
response[1] = DONT;
}
response[2] = option_code;
response[3] = '\0';
// TCPSocketSendString(sock, response);
// the bugged out SendTerminalType and SendWindowsSize was what crashed the BBS...
// if (option_code == TERMINAL_TYPE) SendTerminalType(sock, "ANSI-BBS");
// else if (option_code == NAWS) SendWindowSize(sock, 25, 80);
ptr += 3; ptr += 3;
} }
// check for pipecode here??
// https://github.com/wwivbbs/docs/blob/main/docs/cfg/displaying_text.md#pipe-screen-and-cursor-control
else if (*ptr == ANSI_ESC) { else if (*ptr == ANSI_ESC) {
// ANSI escape sequence // ANSI escape sequence
ptr++; ptr++;
if (*ptr == ANSI_CSI) { if (*ptr == ANSI_CSI) {
ptr++; ptr++;
I64 ansi_code; I64 ansi_code = 0;
while (1) { I64 x_code = 0;
ansi_code = 0; I64 y_code = 0;
while (IsDigit(*ptr)) { Bool parsing_y = FALSE;
while (IsDigit(*ptr) || *ptr == ';') {
if (IsDigit(*ptr)) {
ansi_code = ansi_code * 10 + (*ptr - '0'); ansi_code = ansi_code * 10 + (*ptr - '0');
if (!parsing_y) {
x_code = x_code * 10 + (*ptr - '0');
} else {
y_code = y_code * 10 + (*ptr - '0');
}
ptr++; ptr++;
} }
// Process ansi_code else if (*ptr == ';') {
// if (*ptr == ' ') { parsing_y = TRUE;
// // skip empty space
// ptr++;
// }
if (*ptr == ';') {
ptr++; ptr++;
} }
else { }
// this helps for ANSI detection
if (*ptr == 'n') { // Handle specific ANSI escape sequences
switch (*ptr) {
case 'n':
if (ansi_code == 5) { if (ansi_code == 5) {
// Respond with terminal readiness // Respond with terminal readiness
SysLog("reported terminal readiness\n"); SysLog("reported terminal readiness\n");
@ -350,12 +303,14 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
TCPSocketSendString(sock, "\x1B\[25;80R"); TCPSocketSendString(sock, "\x1B\[25;80R");
} }
ptr++; ptr++;
} else if (*ptr == 'c') { break;
case 'c':
// Respond with device attributes // Respond with device attributes
SysLog("reported device attributes\n"); SysLog("reported device attributes\n");
TCPSocketSendString(sock, "\x1B[?1;0c"); TCPSocketSendString(sock, "\x1B[?1;0c");
ptr++; ptr++;
} else if (*ptr == 'm') { break;
case 'm':
I64 color_code; I64 color_code;
if (ansi_code >= 30 && ansi_code <= 37) { if (ansi_code >= 30 && ansi_code <= 37) {
color_code = ansi_code - 30; // Set foreground color color_code = ansi_code - 30; // Set foreground color
@ -391,61 +346,66 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
} }
ptr++; ptr++;
break; break;
} else if (*ptr == 'A') { case 'A':
// Cursor Up // Cursor Up
"$$CM+LY,0,-%d$$", ansi_code; SysLog("Cursor Up\n");
"$$CM+TY,0,-%d$$", ansi_code;
ptr++; ptr++;
} else if (*ptr == 'B') { break;
case 'B':
// Cursor Down // Cursor Down
"$$CM+LY,0,+%d$$", ansi_code; SysLog("Cursor Down\n");
"$$CM+TY,0,+%d$$", ansi_code;
ptr++; ptr++;
} else if (*ptr == 'C') { break;
I64 i; case 'C':
// I64 move_count = 0;
// while (IsDigit(*ptr)) {
// move_count = move_count * 10 + (*ptr - '0');
// ptr++;
// }
// if (move_count == 0) {
// move_count = 1; // Default value if no number is provided
// }
// for (i = 0; i < ansi_code; i++) {
// Print(" ");
// }
// Cursor Right // Cursor Right
SysLog("Cursor Right\n");
"$$CM+LX,+%d,0$$", ansi_code; "$$CM+LX,+%d,0$$", ansi_code;
ptr++; ptr++;
} else if (*ptr == 'D') { break;
case 'D':
// Cursor Left // Cursor Left
"$$CM+LX,-%d,0$$", ansi_code; SysLog("Cursor Left\n");
"$$CM+TY,-%d,0$$", ansi_code;
ptr++; ptr++;
} else if (*ptr == 'E') { break;
case 'E':
// Cursor Next Line
SysLog("Cursor Next Line\n");
"$$CM+TY,0,+%d$$", ansi_code;
"\n";
break;
ptr++;
case 'F':
// Cursor Previous Line
SysLog("Cursor Previous Line\n");
"$$CM+LY,0,-%d$$", ansi_code;
"\n"; "\n";
ptr++; ptr++;
} else if (*ptr == 'H' || *ptr == 'f') { break;
case 'G':
// Cursor Horizontal Absolute
SysLog("Cursor Horizontal Absolute\n");
"$$CM,%d,0$$", ansi_code;
"\n";
ptr++;
break;
case 'H':
case 'f':
I64 row = 1, col = 1; // default values I64 row = 1, col = 1; // default values
U8 *next_ptr = ptr + 1;
// Parse the row number // Parse the row number
if (IsDigit(*next_ptr)) { row = x_code;
row = ToI64(next_ptr); col = y_code;
while (IsDigit(*next_ptr)) next_ptr++; // Advance the pointer
}
// If there's a semicolon, parse the column number SysLog("H or f row:%d, col:%d\n", row, col);
if (*next_ptr == ';') { // "$$CM,%d,%d$$", row, col;
next_ptr++; "$$CM,LE=%d,RE=%d$$", col, row;
if (IsDigit(*next_ptr)) { ptr++;
col = ToI64(next_ptr); break;
while (IsDigit(*next_ptr)) next_ptr++; // Advance the pointer case 'J':
} SysLog("J code\n");
}
// Now you can use row and col
Print("$$CM,%d,%d$$", row, col);
ptr = next_ptr; // update ptr to point to the character after the parsed sequence
} else if (*ptr == 'J') {
// Erase in Display // Erase in Display
if (ansi_code == 0) { if (ansi_code == 0) {
// Erase from cursor to end of display // Erase from cursor to end of display
@ -458,7 +418,9 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
DocClear; DocClear;
} }
ptr++; ptr++;
} else if (*ptr == 'K') { break;
case 'K':
SysLog("K code");
// Erase in Line // Erase in Line
CDocEntry *cur_entry = Fs->display_doc->cur_entry; CDocEntry *cur_entry = Fs->display_doc->cur_entry;
CDocEntry *next_entry = cur_entry->next; CDocEntry *next_entry = cur_entry->next;
@ -471,18 +433,27 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
} }
// Create a new entry (line) in its place // Create a new entry (line) in its place
CDocEntry *new_entry = DocEntryNew(Fs->display_doc, DOCT_TEXT, "", 0); CDocEntry *new_entry = DocEntryNewTag(Fs->display_doc, cur_entry, "");
DocInsEntry(Fs->display_doc, new_entry); DocInsEntry(Fs->display_doc, new_entry);
ptr++; ptr++;
} else if (*ptr == 'S') { break;
case 'S':
// TODO: Scroll Up // TODO: Scroll Up
SysLog("Scroll Up");
ptr++; ptr++;
} else if (*ptr == 'T') { break;
case 'T':
// TODO: Scroll Down // TODO: Scroll Down
SysLog("Scroll Down");
ptr++; ptr++;
} else if (*ptr == '?') { break;
case '?':
ptr++; ptr++;
if (*ptr == 's') SysLog("SaveCurrentCursorPosition\n");
if (*ptr == 'u') SysLog("RestoreCurrentCursorPosition\n");
I64 code = 0; I64 code = 0;
while (IsDigit(*ptr)) { while (IsDigit(*ptr)) {
@ -510,24 +481,27 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
ptr++; ptr++;
break; break;
} }
} else if (*ptr == 's') { break;
case 's':
// self.saveCursorPosition(); // self.saveCursorPosition();
ptr++; ptr++;
} else if (*ptr == 'r') { break;
case 'r':
// self.restoreCursorPosition(); // self.restoreCursorPosition();
ptr++; ptr++;
} else if (*ptr == 'h' || *ptr == 'l') { break;
case 'h':
case 'l':
// TODO: Handle 'h' (set mode) or 'l' (reset mode) codes // TODO: Handle 'h' (set mode) or 'l' (reset mode) codes
ptr++; // Skip 'h' or 'l' ptr++; // Skip 'h' or 'l'
} else if (*ptr == '=') { break;
case '=':
SysLog("ScreenMode attempt\n"); SysLog("ScreenMode attempt\n");
ptr++; ptr++;
} else {
ptr++;
}
// ptr++;
break; break;
} default:
ptr++;
break;
} }
} }
} }

55
src/Home/Telnet/TelnetNegotiation.ZC Normal file
View file

@ -0,0 +1,55 @@
U0 TelnetNegotiate()
{
U8 negotiation_code = *(ptr + 1);
U8 option_code = *(ptr + 2);
// Send a response to the server
U8 response[4];
response[0] = IAC;
if (negotiation_code == DO || negotiation_code == DONT) {
if (option_code == ECHO) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else if (option_code == SUPPRESS_GO_AHEAD) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else if (option_code == TERMINAL_TYPE) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else if (option_code == NAWS) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else if (option_code == LINEMODE) {
if (negotiation_code == DO) {
response[1] = WILL;
} else {
response[1] = WONT;
}
} else {
response[1] = WONT;
}
} else {
response[1] = DONT;
}
response[2] = option_code;
response[3] = '\0';
// TCPSocketSendString(sock, response);
// the bugged out SendTerminalType and SendWindowsSize was what crashed the BBS...
// if (option_code == TERMINAL_TYPE) SendTerminalType(sock, "ANSI-BBS");
// else if (option_code == NAWS) SendWindowSize(sock, 25, 80);
ptr += 3;
}