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1.1 root 1: /* telnet.c */
2:
3: /* Synchronet telnet command/option functions */
4:
1.1.1.2 ! root 5: /* $Id: telnet.c,v 1.4 2004/10/14 03:28:22 rswindell Exp $ */
1.1 root 6:
7: /****************************************************************************
8: * @format.tab-size 4 (Plain Text/Source Code File Header) *
9: * @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
10: * *
1.1.1.2 ! root 11: * Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html *
1.1 root 12: * *
13: * This program is free software; you can redistribute it and/or *
14: * modify it under the terms of the GNU General Public License *
15: * as published by the Free Software Foundation; either version 2 *
16: * of the License, or (at your option) any later version. *
17: * See the GNU General Public License for more details: gpl.txt or *
18: * http://www.fsf.org/copyleft/gpl.html *
19: * *
20: * Anonymous FTP access to the most recent released source is available at *
21: * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
22: * *
23: * Anonymous CVS access to the development source and modification history *
24: * is available at cvs.synchro.net:/cvsroot/sbbs, example: *
25: * cvs -d :pserver:[email protected]:/cvsroot/sbbs login *
26: * (just hit return, no password is necessary) *
27: * cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src *
28: * *
29: * For Synchronet coding style and modification guidelines, see *
30: * http://www.synchro.net/source.html *
31: * *
32: * You are encouraged to submit any modifications (preferably in Unix diff *
33: * format) via e-mail to [email protected] *
34: * *
35: * Note: If this box doesn't appear square, then you need to fix your tabs. *
36: ****************************************************************************/
37:
38: #include <stdio.h> /* sprintf */
39: #include "gen_defs.h"
40: #include "telnet.h"
41:
1.1.1.2 ! root 42: const char* DLLCALL telnet_cmd_desc(uchar cmd)
1.1 root 43: {
44: static char unknown[32];
45:
46: switch(cmd) {
47: case TELNET_IAC: return("IAC");
48: case TELNET_DONT: return("DON'T");
49: case TELNET_DO: return("DO");
50: case TELNET_WONT: return("WON'T");
51: case TELNET_WILL: return("WILL");
52:
53: case TELNET_SB: return("SB");
54: case TELNET_GA: return("GA");
55: case TELNET_EL: return("EL");
56: case TELNET_EC: return("EC");
57: case TELNET_AYT: return("AYT");
58: case TELNET_AO: return("AO");
59: case TELNET_IP: return("IP");
60: case TELNET_BRK: return("BRK");
61: case TELNET_SYNC: return("SYNC");
62: case TELNET_NOP: return("NOP");
63:
64: default:
65: sprintf(unknown,"%d",cmd);
66: return(unknown);
67: }
68: }
69:
70: char* telnet_option_descriptions[]={
71:
72: "Binary Transmission"
73: ,"Echo"
74: ,"Reconnection"
75: ,"Suppress Go Ahead"
76: ,"Approx Message Size Negotiation"
77: ,"Status"
78: ,"Timing Mark"
79: ,"Remote Controlled Trans and Echo"
80: ,"Output Line Width"
81: ,"Output Page Size"
1.1.1.2 ! root 82: ,"Output Carriage-Return Disposition" /* 10 */
1.1 root 83: ,"Output Horizontal Tab Stops"
84: ,"Output Horizontal Tab Disposition"
85: ,"Output Formfeed Disposition"
1.1.1.2 ! root 86: ,"Output Vertical Tab Stops"
1.1 root 87: ,"Output Vertical Tab Disposition"
88: ,"Output Linefeed Disposition"
89: ,"Extended ASCII"
90: ,"Logout"
1.1.1.2 ! root 91: ,"Byte Macro"
! 92: ,"Data Entry Terminal" /* 20 */
1.1 root 93: ,"SUPDUP"
94: ,"SUPDUP Output"
95: ,"Send Location"
96: ,"Terminal Type"
97: ,"End of Record"
98: ,"TACACS User Identification"
99: ,"Output Marking"
100: ,"Terminal Location Number"
1.1.1.2 ! root 101: ,"Telnet 3270 Regime"
! 102: ,"X.3 PAD" /* 30 */
1.1 root 103: ,"Negotiate About Window Size"
104: ,"Terminal Speed"
105: ,"Remote Flow Control"
106: ,"Linemode"
107: ,"X Display Location"
108: ,"Environment Option"
109: ,"Authentication Option"
110: ,"Encryption Option"
1.1.1.2 ! root 111: ,"New Environment Option"
! 112: ,"TN3270E" /* 40 */
1.1 root 113: };
114:
1.1.1.2 ! root 115: const char* DLLCALL telnet_opt_desc(uchar opt)
1.1 root 116: {
117: static char unknown[32];
118:
119: if(opt<sizeof(telnet_option_descriptions)/sizeof(char*))
120: return(telnet_option_descriptions[opt]);
121:
122: if(opt==TELNET_EXOPL)
123: return("Extended Options List");
124:
125: sprintf(unknown,"%d",opt);
126: return(unknown);
127: }
1.1.1.2 ! root 128:
! 129: const uchar DLLCALL telnet_opt_ack(uchar cmd)
! 130: {
! 131: switch(cmd) {
! 132: case TELNET_DO: return TELNET_WILL;
! 133: case TELNET_DONT: return TELNET_WONT;
! 134: case TELNET_WILL: return TELNET_DO;
! 135: case TELNET_WONT: return TELNET_DONT;
! 136: }
! 137: return 0;
! 138: }
! 139:
! 140: const uchar DLLCALL telnet_opt_nak(uchar cmd)
! 141: {
! 142: switch(cmd) {
! 143: case TELNET_DO: return TELNET_WONT;
! 144: case TELNET_DONT: return TELNET_WILL;
! 145: case TELNET_WILL: return TELNET_DONT;
! 146: case TELNET_WONT: return TELNET_DO;
! 147: }
! 148: return 0;
! 149: }
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