mirror of
git://git.psyced.org/git/psyclpc
synced 2024-08-15 03:20:16 +00:00
278 lines
12 KiB
C
278 lines
12 KiB
C
//
|
|
// Wunderland Mudlib
|
|
//
|
|
// telnet.h -- Standard telnet definitions
|
|
//
|
|
// $Log: telnetneg.h,v $
|
|
// Revision 1.1.1.1 2006/07/10 02:42:09 lynx
|
|
// ldmud 3.3.714
|
|
//
|
|
// Revision 1.10 2002/12/02 17:31:56 Fiona
|
|
// sb_ttype und sb_xdisp
|
|
//
|
|
|
|
#ifndef __TELNET_H__
|
|
#define __TELNET_H__
|
|
|
|
// ******************** Telnet State Machine ********************
|
|
|
|
// Each option could be in one of the following four states. There
|
|
// is also a one element queue for each option. Mind that each option
|
|
// could have different states for the lokal and the remote system.
|
|
// Six bits of TS_STATE are used.
|
|
#define NO 0x00 // option is deactivated
|
|
#define YES 0x01 // option is activated
|
|
#define WANT_NO 0x02 // option is activated, negotiating to switch off
|
|
#define WANT_YES 0x03 // option is deactivated, negotiating to switch on
|
|
#define Q_EMPTY 0x00 // no entry in queue
|
|
#define Q_OPPOSITE 0x04 // request to toggle state in queue
|
|
#define REJECTED 0x08 // option denied, don't retry
|
|
|
|
// State and queue on the remote side (DO + DONT) (bits 0-3)
|
|
#define Q_REMOTE(x) ((x) & 0x03)
|
|
#define S_REMOTE(x, y) (((x) & ~0x03) | (y))
|
|
#define Q_REMOTEQ(x) ((x) & 0x04)
|
|
#define S_REMOTEQ(x, y) (((x) & ~0x04) | (y))
|
|
#define Q_REMOTER(x) ((x) & 0x08)
|
|
#define S_REMOTER(x, y) (((x) & ~0x08) | (y))
|
|
// State and queue on this side (WILL + WONT) (bits 4-7)
|
|
#define Q_LOCAL(x) (((x) & 0x30) >> 4)
|
|
#define S_LOCAL(x,y) (((x) & ~0x30) | ((y) << 4))
|
|
#define Q_LOCALQ(x) (((x) & 0x40) >> 4)
|
|
#define S_LOCALQ(x, y) (((x) & ~0x40) | ((y) << 4))
|
|
#define Q_LOCALR(x) (((x) & 0x80) >> 4)
|
|
#define S_LOCALR(x, y) (((x) & ~0x80) | ((y) << 4))
|
|
|
|
// Access to mapping ts
|
|
#define TS_STATE 0 // option state (yes, no, want yes, want no, Q)
|
|
#define TS_SB 1 // sb infos (option specific)
|
|
#define TS_R_AGREE 2 // preference or decision callback (remote state)
|
|
#define TS_L_AGREE 3 // preference or decision callback (local state)
|
|
#define TS_CB 4 // option state change callback (yes, no)
|
|
#define TS_SBCB 5 // option sb callback
|
|
#define TS_SIZE 6
|
|
|
|
// To have everything in one place we have one special key in ts
|
|
#define TS_EXTRA -1 // key
|
|
#define TSE_STATE 0 // input_to's INPUT_NOECHO and/or INPUT_CHARMODE
|
|
#define TSE_TELNETNEG 1 // client answered a negotiation
|
|
#define TSE_LOG 2 // negotiation log
|
|
|
|
// Bits used for the charmode and noecho state of the connection
|
|
// Bits 0 + 1 used for TSE_NOECHO (set for noecho mode)
|
|
// Bits 2 + 3 used for TSE_SGA_CHAR (set for charmode using SGA)
|
|
// Bits 4 + 5 used for TSE_LM_CHAR (set for charmode using LINEMODE)
|
|
// each representing the state with NO, YES, WANT_NO and WANT_YES
|
|
#define Q_TSE_NOECHO ((ts[TS_EXTRA, TSE_STATE]) & 0x03)
|
|
#define S_TSE_NOECHO(y) (ts[TS_EXTRA, TSE_STATE] = \
|
|
((ts[TS_EXTRA, TSE_STATE]) & ~0x03) | (y))
|
|
#define Q_TSE_SGA_CHAR (((ts[TS_EXTRA, TSE_STATE]) & 0x0c) >> 2)
|
|
#define S_TSE_SGA_CHAR(y) (ts[TS_EXTRA, TSE_STATE] = \
|
|
((ts[TS_EXTRA, TSE_STATE]) & ~0x0c) | ((y) << 2))
|
|
#define Q_TSE_LM_CHAR (((ts[TS_EXTRA, TSE_STATE]) & 0x30) >> 4)
|
|
#define S_TSE_LM_CHAR(y) (ts[TS_EXTRA, TSE_STATE] = \
|
|
((ts[TS_EXTRA, TSE_STATE]) & ~0x30) | ((y) << 4))
|
|
|
|
#ifdef NEED_PRIVATE_PROTOTYPES
|
|
#ifndef __TELNET_H_P_PROTO__
|
|
#define __TELNET_H_P_PROTO__
|
|
private int send(int* x);
|
|
private void tel_error(string err);
|
|
private void start_telnetneg();
|
|
private string telnet_to_text(int command, int option, int* args);
|
|
private void sb_ttype(int command, int option, int* optargs);
|
|
private void sb_xdisp(int command, int option, int* optargs);
|
|
private void sb_tspeed(int command, int option, int* optargs);
|
|
private void sb_env(int command, int option, int* optargs);
|
|
private void sb_naws(int command, int option, int* optargs);
|
|
private void sb_status(int command, int option, int* optargs);
|
|
private void sb_line(int command, int option, int* optargs);
|
|
private int neg_sga(int command, int option);
|
|
private int neg_echo(int command, int option);
|
|
private int neg_bin(int command, int option);
|
|
private int neg_tm(int command, int option);
|
|
private void start_sb(int command, int option);
|
|
private void start_eor(int command, int option);
|
|
private void start_lm(int command, int option);
|
|
private void cb_echo(int command, int option);
|
|
private void cb_sga(int command, int option);
|
|
static void modify_prompt(); // std/player/prompt.c
|
|
#endif
|
|
#endif // NEED_PRIVATE_PROTOTYPES
|
|
|
|
|
|
// ************ Definitions for the TELNET protocol *************
|
|
#define IAC 255 /* interpret as command: */
|
|
#define DONT 254 /* you are not to use option */
|
|
#define DO 253 /* please, you use option */
|
|
#define WONT 252 /* I won't use option */
|
|
#define WILL 251 /* I will use option */
|
|
#define SB 250 /* interpret as subnegotiation */
|
|
#define SE 240 /* end sub negotiation */
|
|
#define EOR 239 /* end of record (transparent mode) */
|
|
|
|
#define TELCMDS ({\
|
|
"EOR", "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",\
|
|
"EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC",\
|
|
})
|
|
/* backward starting with IAC == 255 */
|
|
#define TELCMD2STRING(x) (((256-x)<sizeof(TELCMDS))?TELCMDS[<(256-x)]:(""+x))
|
|
|
|
/* telnet options */
|
|
#define TELOPT_BINARY 0 /* 8-bit data path */
|
|
#define TELOPT_ECHO 1 /* echo */
|
|
#define TELOPT_RCP 2 /* prepare to reconnect */
|
|
#define TELOPT_SGA 3 /* suppress go ahead */
|
|
#define TELOPT_NAMS 4 /* approximate message size */
|
|
#define TELOPT_STATUS 5 /* give status */
|
|
#define TELOPT_TM 6 /* timing mark */
|
|
#define TELOPT_RCTE 7 /* remote controlled transmission and echo */
|
|
#define TELOPT_NAOL 8 /* negotiate about output line width */
|
|
#define TELOPT_NAOP 9 /* negotiate about output page size */
|
|
#define TELOPT_NAOCRD 10 /* negotiate about CR disposition */
|
|
#define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */
|
|
#define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */
|
|
#define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */
|
|
#define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */
|
|
#define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */
|
|
#define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */
|
|
#define TELOPT_XASCII 17 /* extended ascic character set */
|
|
#define TELOPT_LOGOUT 18 /* force logout */
|
|
#define TELOPT_BM 19 /* byte macro */
|
|
#define TELOPT_DET 20 /* data entry terminal */
|
|
#define TELOPT_SUPDUP 21 /* supdup protocol */
|
|
#define TELOPT_SUPDUPOUTPUT 22 /* supdup output */
|
|
#define TELOPT_SNDLOC 23 /* send location */
|
|
#define TELOPT_TTYPE 24 /* terminal type */
|
|
#define TELOPT_EOR 25 /* end or record */
|
|
#define TELOPT_TUID 26 /* TACACS user identification */
|
|
#define TELOPT_OUTMRK 27 /* output marking */
|
|
#define TELOPT_TTYLOC 28 /* terminal location number */
|
|
#define TELOPT_3270REGIME 29 /* 3270 regime */
|
|
#define TELOPT_X3PAD 30 /* X.3 PAD */
|
|
#define TELOPT_NAWS 31 /* window size */
|
|
#define TELOPT_TSPEED 32 /* terminal speed */
|
|
#define TELOPT_LFLOW 33 /* remote flow control */
|
|
#define TELOPT_LINEMODE 34 /* linemode negotiations */
|
|
#define TELOPT_XDISPLOC 35 /* X Display Location */
|
|
#define TELOPT_ENVIRON 36 /* Environment opt for Port ID */
|
|
#define TELOPT_AUTHENTICATION 37/* authentication */
|
|
#define TELOPT_ENCRYPT 38 /* authentication */
|
|
#define TELOPT_NEWENV 39 /* Environment opt for Port ID */
|
|
|
|
/* Inofficial, mud specific telnet options */
|
|
#define TELOPT_COMPRESS 85 /* Mud Compression Protocol, v.1 */
|
|
#define TELOPT_COMPRESS2 86 /* Mud Compression Protocol, v.2 */
|
|
#define TELOPT_MSP 90 /* Mud Sound Protocol */
|
|
#define TELOPT_MXP 91 /* Mud Extension Protocol */
|
|
|
|
#define TELOPT_EXOPL 255 /* extended-options-list */
|
|
|
|
#define NTELOPTS (1+TELOPT_NEWENV)
|
|
#define TELOPTS ({\
|
|
"BINARY", "ECHO", "RCP", "SGA", "NAME",\
|
|
"STATUS", "TM", "RCTE", "NAOL", "NAOP",\
|
|
"NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",\
|
|
"NAOVTD", "NAOLFD", "XASCII", "LOGOUT", "BM",\
|
|
"DET", "SUPDUP", "SUPDUP OUTPUT",\
|
|
"SENDLOC", "TTYPE", "EOR", \
|
|
"TACACS UID", "OUTPUT MARKING", "TTYLOC",\
|
|
"3270 REGIME", "X.3 PAD", "NAWS","TSPEED","LFLOW","LINEMODE",\
|
|
"XDISPLOC","ENVIRON","AUTHENTICATION","ENCRYPT","NEWENV",\
|
|
"TELOPT 40", "TELOPT 41", "TELOPT 42", "TELOPT 43",\
|
|
"TELOPT 44", "TELOPT 45", "TELOPT 46", "TELOPT 47",\
|
|
"TELOPT 48", "TELOPT 49", "TELOPT 50", "TELOPT 51",\
|
|
"TELOPT 52", "TELOPT 53", "TELOPT 54", "TELOPT 55",\
|
|
"TELOPT 56", "TELOPT 57", "TELOPT 58", "TELOPT 59",\
|
|
"TELOPT 60", "TELOPT 61", "TELOPT 62", "TELOPT 63",\
|
|
"TELOPT 64", "TELOPT 65", "TELOPT 66", "TELOPT 67",\
|
|
"TELOPT 68", "TELOPT 69", "TELOPT 70", "TELOPT 71",\
|
|
"TELOPT 72", "TELOPT 73", "TELOPT 74", "TELOPT 75",\
|
|
"TELOPT 76", "TELOPT 77", "TELOPT 78", "TELOPT 79",\
|
|
"TELOPT 80", "TELOPT 81", "TELOPT 82", "TELOPT 83",\
|
|
"TELOPT 84", "MCCP1", "MCCP2", "TELOPT 87",\
|
|
"TELOPT 88", "TELOPT 89", "MSP", "MEP",\
|
|
})
|
|
|
|
#define TELOPT2STRING(x) ((x<sizeof(TELOPTS))?TELOPTS[x]:(""+x))
|
|
|
|
/* sub-option qualifiers */
|
|
#define TELQUAL_IS 0 /* option is... */
|
|
#define TELQUAL_SEND 1 /* send option */
|
|
#define TELQUAL_INFO 2
|
|
|
|
#define TELQUAL2STRING(x) (x<3?({"IS","SEND","INFO"})[x]:""+x)
|
|
|
|
/*
|
|
* LINEMODE suboptions
|
|
*/
|
|
|
|
#define LM_MODE 1
|
|
#define LM_FORWARDMASK 2
|
|
#define LM_SLC 3
|
|
|
|
#define MODE_EDIT 0x01
|
|
#define MODE_TRAPSIG 0x02
|
|
#define MODE_ACK 0x04
|
|
#define MODE_SOFT_TAB 0x08
|
|
#define MODE_LIT_ECHO 0x10
|
|
|
|
#define MODE_MASK (MODE_EDIT|MODE_TRAPSIG|MODE_ACK|MODE_SOFT_TAB|MODE_LIT_ECHO)
|
|
|
|
#define SLC_SYNCH 1
|
|
#define SLC_BRK 2
|
|
#define SLC_IP 3
|
|
#define SLC_AO 4
|
|
#define SLC_AYT 5
|
|
#define SLC_EOR 6
|
|
#define SLC_ABORT 7
|
|
#define SLC_EOF 8
|
|
#define SLC_SUSP 9
|
|
#define SLC_EC 10
|
|
#define SLC_EL 11
|
|
#define SLC_EW 12
|
|
#define SLC_RP 13
|
|
#define SLC_LNEXT 14
|
|
#define SLC_XON 15
|
|
#define SLC_XOFF 16
|
|
#define SLC_FORW1 17
|
|
#define SLC_FORW2 18
|
|
#define SLC_MCL 19
|
|
#define SLC_MCR 20
|
|
#define SLC_MCWL 21
|
|
#define SLC_MCWR 22
|
|
#define SLC_MCBOL 23
|
|
#define SLC_MCEOL 24
|
|
#define SLC_INSRT 25
|
|
#define SLC_OVER 26
|
|
#define SLC_ECR 27
|
|
#define SLC_EWR 28
|
|
#define SLC_EBOL 29
|
|
#define SLC_EEOL 30
|
|
|
|
#define SLC_NAMES ({"0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
|
|
"ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
|
|
"LNEXT", "XON", "XOFF", "FORW1", "FORW2", \
|
|
"MCL", "MCR", "MCWL", "MCWR", "MCBOL", "MCEOL", \
|
|
"INSRT", "OVER", "ECR", "EWR", "EBOL", "EEOL"})
|
|
|
|
#define SLC2STRING(x) ((x)<sizeof(SLC_NAMES)?SLC_NAMES[x]:sprintf("%02x",x))
|
|
|
|
#define SLC_NOSUPPORT 0
|
|
#define SLC_CANTCHANGE 1
|
|
#define SLC_VARIABLE 2
|
|
#define SLC_DEFAULT 3
|
|
#define SLC_ACK 0x80
|
|
#define SLC_FLUSHIN 0x40
|
|
#define SLC_FLUSHOUT 0x20
|
|
#define SLC_LEVELBITS 0x03
|
|
|
|
#define SLC_FLAGNAME ({ "NOSUPPORT", "CANTCHANGE", "VARIABLE", "DEFAULT" })
|
|
|
|
#define ENV_VAR 0
|
|
#define ENV_VALUE 1
|
|
#define ENV_ESC 2
|
|
#define ENV_USERVAR 3
|
|
|
|
#endif
|