source: trunk/third/kermit/ckctel.h @ 20081

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1/* ckctel.h -- Symbol and macro definitions for C-Kermit telnet support */
2
3/*
4  Authors: Jeffrey Altman <jaltman@columbia.edu>,
5           Frank da Cruz <fdc@columbia.edu>
6  Columbia University Academic Information Systems, New York City.
7
8  Copyright (C) 1985, 2001,
9    Trustees of Columbia University in the City of New York.
10    All rights reserved.  See the C-Kermit COPYING.TXT file or the
11    copyright text in the ckcmai.c module for disclaimer and permissions.
12
13  Notes:
14  . Only one source file should include #defines for
15    TELCMDS, TELOPTS, TELOPT_STATES, SLC_NAMES, and AUTH_NAMES.
16  . This file should be used inplace of "arpa/telnet.h"
17*/
18
19#ifndef CKCTEL_H
20#define CKCTEL_H
21#ifdef TNCODE
22/*
23  Definitions for the TELNET protocol.
24  can't rely on library header files for any of them.
25*/
26#ifndef IAC                             /* First the telnet commands */
27#define IAC 255
28#endif /* IAC */
29#ifndef DONT
30#define DONT 254
31#endif /* DONT */
32#ifndef DO
33#define DO 253
34#endif /* DO */
35#ifndef WONT
36#define WONT 252
37#endif /* WONT */
38#ifndef WILL
39#define WILL 251
40#endif /* WILL */
41#ifndef SB
42#define SB 250
43#endif /* SB */
44#ifndef TN_GA
45#define TN_GA 249
46#endif /* TN_GA */
47#ifndef TN_EL
48#define TN_EL 248
49#endif /* TN_EL */
50#ifndef TN_EC
51#define TN_EC 247
52#endif /* TN_EC */
53#ifndef TN_AYT
54#define TN_AYT 246
55#endif /* TN_AYT */
56#ifndef TN_AO
57#define TN_AO 245
58#endif /* TN_AO */
59#ifndef TN_IP
60#define TN_IP 244
61#endif /* TN_IP */
62#ifndef BREAK
63#define BREAK 243
64#endif /* BREAK */
65#ifndef TN_DM
66#define TN_DM 242
67#endif /* TN_DM */
68#ifndef TN_NOP
69#define TN_NOP 241
70#endif /* TN_NOP */
71#ifndef SE
72#define SE 240
73#endif /* SE */
74#ifndef TN_EOR
75#define TN_EOR 239
76#endif /* TN_EOR */
77#ifndef TN_ABORT
78#define TN_ABORT 238
79#endif /* TN_ABORT */
80#ifndef TN_SUSP
81#define TN_SUSP 237
82#endif /* TN_SUSP */
83#ifndef TN_EOF
84#define TN_EOF 236
85#endif /* TN_EOF */
86#ifndef LAST_TN_CMD
87#define LAST_TN_CMD 236
88
89#define TN_SAK 200              /* IBM Secure Attention Key */
90#endif /* LAST_TN_CMD */
91
92#define SYNCH   242             /* for telfunc calls */
93
94#ifdef TELCMDS
95char *telcmds[] = {
96        "EOF", "SUSP", "ABORT", "EOR",
97        "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
98        "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC", 0
99};
100#else /* TELCMDS */
101extern char *telcmds[];
102#endif /* TELCMDS */
103
104#define TELCMD_FIRST    TN_EOF
105#define TELCMD_LAST     IAC
106#define TELCMD_OK(x)    ((unsigned int)(x) <= TELCMD_LAST && \
107                         (unsigned int)(x) >= TELCMD_FIRST || \
108                          (unsigned int)(x) == TN_SAK)
109#define TELCMD(x)       (TELCMD_OK(x)? ((x) == TN_SAK?"SAK": \
110                         telcmds[(x)-TELCMD_FIRST]):"UNKNOWN")
111
112/* Then the options */
113/* NB: the following platforms have TELOPT_AUTHENTICATION defined as */
114/* 45 instead of 37.                                                 */
115#ifdef TELOPT_AUTHENTICATION
116#ifdef __osf__
117#undef TELOPT_AUTHENTICATION
118#endif /* __osf__ */
119#ifndef IRIX
120#undef TELOPT_AUTHENTICATION
121#endif /* IRIX */
122#ifndef ultrix
123#undef TELOPT_AUTHENTICATION
124#endif /* ultrix */
125#endif /* TELOPT_AUTHENTICATION */
126
127/* telnet options */
128#ifndef TELOPT_BINARY
129#define TELOPT_BINARY   0       /* 8-bit data path (RFC 856)*/
130#endif
131#ifndef TELOPT_ECHO
132#define TELOPT_ECHO     1       /* echo (RFC 857)*/
133#endif
134#ifndef TELOPT_RCP
135#define TELOPT_RCP      2       /* prepare to reconnect (NIC 50005)*/
136#endif
137#ifndef TELOPT_SGA
138#define TELOPT_SGA      3       /* suppress go ahead (RFC 858) */
139#endif
140#ifndef TELOPT_NAMS
141#define TELOPT_NAMS     4       /* approximate message size (ETHERNET) */
142#endif
143#ifndef TELOPT_STATUS
144#define TELOPT_STATUS   5       /* give status (RFC 859) */
145#endif
146#ifndef TELOPT_TM
147#define TELOPT_TM       6       /* timing mark (RFC 860) */
148#endif
149#ifndef TELOPT_RCTE
150#define TELOPT_RCTE     7       /* remote controlled transmission and echo */
151#endif                          /* (RFC 726) */
152#ifndef TELOPT_NAOL
153#define TELOPT_NAOL     8       /* negotiate about output line width */
154#endif                          /* (NIC 50005) */
155#ifndef TELOPT_NAOP
156#define TELOPT_NAOP     9       /* negotiate about output page size */
157#endif                          /* (NIC 50005) */
158#ifndef TELOPT_NAOCRD
159#define TELOPT_NAOCRD   10      /* negotiate about CR disposition (RFC 652) */
160#endif                          /* [Historic] */
161#ifndef TELOPT_NAOHTS
162#define TELOPT_NAOHTS   11      /* negotiate about horizontal tabstops */
163#endif                          /* (RFC 653) [Historic] */
164#ifndef TELOPT_NAOHTD
165#define TELOPT_NAOHTD   12      /* negotiate about horiz tab disposition */
166#endif                          /* (RFC 654) [Historic] */
167#ifndef TELOPT_NAOFFD
168#define TELOPT_NAOFFD   13      /* negotiate about formfeed disposition */
169#endif                          /* (RFC 655) [Historic] */
170#ifndef TELOPT_NAOVTS
171#define TELOPT_NAOVTS   14      /* negotiate about vertical tab stops */
172#endif                          /* (RFC 656) [Historic] */
173#ifndef TELOPT_NAOVTD
174#define TELOPT_NAOVTD   15      /* negotiate about vertical tab disposition */
175#endif                          /* (RFC 657) [Historic] */
176#ifndef TELOPT_NAOLFD
177#define TELOPT_NAOLFD   16      /* negotiate about output LF disposition */
178#endif                          /* (RFC 658) [Historic] */
179#ifndef TELOPT_XASCII
180#define TELOPT_XASCII   17      /* extended ascii character set */
181#endif                          /* (RFC 698) */
182#ifndef TELOPT_LOGOUT
183#define TELOPT_LOGOUT   18      /* force logout (RFC 727) */
184#endif
185#ifndef TELOPT_BM
186#define TELOPT_BM       19      /* byte macro (RFC 735) */
187#endif
188#ifndef TELOPT_DET
189#define TELOPT_DET      20      /* data entry terminal (RFC 1043, 732) */
190#endif
191#ifndef TELOPT_SUPDUP
192#define TELOPT_SUPDUP   21      /* supdup protocol (RFC 736, 734) */
193#endif
194#ifndef TELOPT_SUPDUPOUTPUT
195#define TELOPT_SUPDUPOUTPUT 22  /* supdup output (RFC 749) */
196#endif
197#ifndef TELOPT_SNDLOC
198#define TELOPT_SNDLOC   23      /* send location (RFC 779) */
199#endif
200#ifndef TELOPT_TTYPE
201#define TELOPT_TTYPE    24      /* terminal type (RFC 1091) */
202#endif
203#ifndef TELOPT_EOR
204#define TELOPT_EOR      25      /* end of record (RFC 885) */
205#endif
206#ifndef TELOPT_TUID
207#define TELOPT_TUID     26      /* TACACS user identification (RFC 927) */
208#endif
209#ifndef TELOPT_OUTMRK
210#define TELOPT_OUTMRK   27      /* output marking (RFC 933) */
211#endif
212#ifndef TELOPT_TTYLOC
213#define TELOPT_TTYLOC   28      /* terminal location number (RFC 946) */
214#endif
215#ifndef TELOPT_3270REGIME
216#define TELOPT_3270REGIME 29    /* 3270 regime (RFC 1041) */
217#endif
218#ifndef TELOPT_X3PAD
219#define TELOPT_X3PAD    30      /* X.3 PAD (RFC 1053) */
220#endif
221#ifndef TELOPT_NAWS
222#define TELOPT_NAWS     31      /* window size (RFC 1073) */
223#endif
224#ifndef TELOPT_TSPEED
225#define TELOPT_TSPEED   32      /* terminal speed (RFC 1079) */
226#endif
227#ifndef TELOPT_LFLOW
228#define TELOPT_LFLOW    33      /* remote flow control (RFC 1372) */
229#endif
230#ifndef TELOPT_LINEMODE
231#define TELOPT_LINEMODE 34      /* Linemode option (RFC 1184) */
232#endif
233#ifndef TELOPT_XDISPLOC
234#define TELOPT_XDISPLOC 35      /* X Display Location (RFC 1096) */
235#endif
236#ifndef TELOPT_OLD_ENVIRON
237#define TELOPT_OLD_ENVIRON 36   /* Old - Environment variables (RFC 1408) */
238#endif
239#ifndef TELOPT_AUTHENTICATION
240#define TELOPT_AUTHENTICATION 37/* Authenticate (RFC 2941) */
241#endif
242#ifndef TELOPT_ENCRYPTION
243#define TELOPT_ENCRYPTION 38    /* Encryption option (RFC 2946) */
244#endif
245#ifndef TELOPT_NEWENVIRON
246#define TELOPT_NEWENVIRON 39    /* New - Environment variables (RFC 1572) */
247#endif
248#ifndef TELOPT_3270E
249#define TELOPT_3270E    40      /* 3270 Extended (RFC 1647) */
250#endif
251#ifndef TELOPT_XAUTH
252#define TELOPT_XAUTH    41      /* ??? (Earhart) */
253#endif
254#ifndef TELOPT_CHARSET
255#define TELOPT_CHARSET  42      /* Character-set (RFC 2066) */
256#endif
257#ifndef TELOPT_RSP
258#define TELOPT_RSP      43      /* Remote Serial Port (Barnes) */
259#endif
260#ifndef TELOPT_COMPORT
261#define TELOPT_COMPORT  44      /* Com Port Control (RFC 2217) */
262#endif
263#ifndef TELOPT_SLE
264#define TELOPT_SLE      45      /* Suppress Local Echo (Atmar) - [rejected] */
265#endif
266#ifndef TELOPT_START_TLS
267#define TELOPT_START_TLS 46     /* Telnet over Transport Layer Security */
268#endif                          /* (Boe) */
269#ifndef TELOPT_KERMIT
270#define TELOPT_KERMIT   47      /* Kermit (RFC 2840) */
271#endif
272#ifndef TELOPT_SEND_URL
273#define TELOPT_SEND_URL 48      /* Send URL */
274#endif
275
276#ifndef TELOPT_FORWARD_X
277#define TELOPT_FORWARD_X 49     /* X Windows Forwarding (Altman) */
278#endif /* TELOPT_FORWARD_X */
279
280#ifndef TELOPT_STDERR
281#define TELOPT_STDERR    50    /* Redirected Stderr (Altman) */
282#endif /* TELOPT_STDERR */
283
284#ifndef TELOPT_PRAGMA_LOGON
285#define TELOPT_PRAGMA_LOGON 138 /* Encrypted Logon option (PragmaSys) */
286#endif
287#ifndef TELOPT_SSPI_LOGON
288#define TELOPT_SSPI_LOGON 139   /* MS SSPI Logon option (PragmaSys) */
289#endif
290#ifndef TELOPT_PRAGMA_HEARTBEAT
291                                /* Server Send Heartbeat option (PragmaSys) */
292#define TELOPT_PRAGMA_HEARTBEAT 140
293#endif
294
295#define TELOPT_IBM_SAK 200      /* IBM Secure Attention Key */
296
297/*
298  IBM Secure Attention Key (SAK) Option
299
300  In addition to terminal negotiation, the telnet command allows
301  negotiation for the Secure Attention Key (SAK)
302  option. This option, when supported, provides the local user with
303  a secure communication path to the remote
304  host for tasks such as changing user IDs or passwords. If the remote
305  host supports the SAK function, a trusted
306  shell is opened on the remote host when the telnet send sak
307  subcommand is issued. The SAK function can
308  also be assigned to a single key available in telnet input mode,
309  using the set sak subcommand.
310
311  TN_SAK
312
313  Sends the TELNET SAK (Secure Attention Key) sequence, which causes
314  the remote system to invoke the trusted shell. If the SAK is not
315  supported, then an error message is displayed that reads:
316    Remote side does not support SAK.
317*/
318
319#ifndef TELOPT_EXOPL
320#define TELOPT_EXOPL    255     /* Extended-options-list (RFC 861) */
321#endif
322
323#ifdef NTELOPTS
324#undef NTELOPTS
325#endif /* NTELOPTS */
326/* The Telnet Option space is no longer being allocated by ICANN as a */
327/* continuous list.  In other words it is becoming sparse.  But we do */
328/* not want to have to allocate memory for a long list of strings and */
329/* structs which will never be used.  Therefore, the NTELOPTS define  */
330/* can no longer be equal to TELOPT_LAST+1.  In fact, the notion of   */
331/* TELOPT_FIRST and TELOPT_LAST no longer make sense.                 */
332#define NTELOPTS        55
333
334#define TELOPT_FIRST     TELOPT_BINARY
335#define TELOPT_LAST      TELOPT_IBM_SAK
336
337/*
338  The following macros speed us up at runtime but are too complex
339  for some preprocessors / compilers; if your compiler bombs on ckctel.c
340  with "Instruction table overflow" or somesuch, rebuild with -DNOTOMACROS.
341*/
342#ifndef NOTOMACROS
343#ifndef TELOPT_MACRO
344#define TELOPT_MACRO
345#endif /* TELOPT_MACRO */
346#endif /* NOTOMACROS */
347
348#ifdef TELOPT_MACRO
349#define TELOPT_INDEX(x) (((x)>=0 && (x)<= TELOPT_STDERR)?(x):\
350        ((x)>=TELOPT_PRAGMA_LOGON && (x)<=TELOPT_PRAGMA_HEARTBEAT)?(x)-87: \
351        ((x) == TELOPT_IBM_SAK)?(x)-146: NTELOPTS)
352
353#define TELOPT_OK(x)    (((x) >= TELOPT_BINARY && (x) <= TELOPT_STDERR) ||\
354             ((x) >= TELOPT_PRAGMA_LOGON && (x) <= TELOPT_PRAGMA_HEARTBEAT) ||\
355             ((x) == TELOPT_IBM_SAK))
356#define TELOPT(x)       (TELOPT_OK(x)?telopts[TELOPT_INDEX(x)]:"UNKNOWN")
357#else /* TELOPT_MACRO */
358_PROTOTYP(int telopt_index,(int));
359_PROTOTYP(int telopt_ok,(int));
360_PROTOTYP(CHAR * telopt, (int));
361
362#define TELOPT_INDEX(x) telopt_index(x)
363#define TELOPT_OK(x)    telopt_ok(x)
364#define TELOPT(x)       telopt(x)
365#endif /* TELOPT_MACRO */
366
367#ifdef TELOPTS
368char *telopts[NTELOPTS+2] = {
369/*   0 */ "BINARY",   "ECHO",         "RCP",  "SUPPRESS-GO-AHEAD",
370/*   4 */ "NAME",   "STATUS", "TIMING-MARK", "RCTE",
371/*   8 */ "NAOL", "NAOP",  "NAOCRD", "NAOHTS",
372/*  12 */ "NAOHTD", "NAOFFD", "NAOVTS",  "NAOVTD",
373/*  16 */ "NAOLFD", "EXTEND-ASCII", "LOGOUT", "BYTE-MACRO",
374/*  20 */ "DATA-ENTRY-TERMINAL", "SUPDUP", "SUPDUP-OUTPUT",  "SEND-LOCATION",
375/*  24 */ "TERMINAL-TYPE",  "END-OF-RECORD", "TACACS-UID", "OUTPUT-MARKING",
376/*  28 */ "TTYLOC", "3270-REGIME", "X.3-PAD", "NAWS",
377/*  32 */ "TSPEED", "LFLOW", "LINEMODE", "XDISPLOC",
378/*  36 */ "OLD-ENVIRON", "AUTHENTICATION", "ENCRYPTION", "NEW-ENVIRONMENT",
379/*  40 */ "TN3270E","xauth","CHARSET", "remote-serial-port",
380/*  44 */ "COM-PORT-CONTROL","suppress-local-echo","START-TLS","KERMIT",
381/*  48 */ "send-url","FORWARD-X","stderr",
382/* 138 */ "pragma-logon", "sspi-logon", "pragma-heartbeat",
383/* 200 */ "ibm-sak",
384          "unknown",
385        0
386};
387#else /*TELOPTS */
388extern char * telopts[];
389#endif /* TELOPTS */
390
391/* TELNET Newline Mode */
392
393#define TNL_CR     0                    /* CR sends bare carriage return */
394#define TNL_CRNUL  1                    /* CR and NUL */
395#define TNL_CRLF   2                    /* CR and LF */
396#define TNL_LF     3                    /* LF instead of CR */
397
398/* TELNET Negotiation Mode */
399
400#define    TN_NG_RF  0                  /*  Negotiation REFUSED */
401#define    TN_NG_AC  1                  /*  Negotiation ACCEPTED */
402#define    TN_NG_RQ  2                  /*  Negotiation REQUESTED */
403#define    TN_NG_MU  3                  /*  Negotiation REQUIRED (must) */
404
405
406/* Systems where we know we can define TELNET NAWS automatically. */
407
408#ifndef CK_NAWS                         /* In other words, if both */
409#ifdef CK_TTGWSIZ                       /* TNCODE and TTGWSIZ are defined */
410#define CK_NAWS                         /* then we can do NAWS. */
411#endif /* CK_TTGWSIZ */
412#endif /* CK_NAWS */
413
414#ifdef CK_FORWARD_X
415#ifndef MAXFWDX
416#define MAXFWDX 64                      /* Num of X windows to be fwd'd */
417#endif /* MAXFWDX */
418#endif /* CK_FORWARD_X */
419
420/* Telnet State structures and definitions */
421struct _telopt_state {
422  unsigned char def_server_me_mode;   /* Default Negotiation Mode */
423  unsigned char def_server_u_mode;    /* Default Negotiation Mode */
424  unsigned char def_client_me_mode;   /* Default Negotiation Mode */
425  unsigned char def_client_u_mode;    /* Default Negotiation Mode */
426  unsigned char me_mode;              /* Telnet Negotiation Mode */
427  unsigned char u_mode;               /* Telnet Negotiation Mode */
428  unsigned char me;                   /* Am I ?                  */
429  unsigned char u;                    /* Are you?                */
430  unsigned char unanswered_will;      /* Sent Will, Waiting for DO/DONT */
431  unsigned char unanswered_do;        /* Send DO, Waiting for WILL/WONT */
432  unsigned char unanswered_wont;      /* Sent WONT, Waiting for DONT */
433  unsigned char unanswered_dont;      /* Sent DONT, Waiting for WONT */
434  unsigned char unanswered_sb;        /* Sent SB,   Waiting for SB (server) */
435  union {
436#ifdef IKS_OPTION
437    struct _telopt_kermit {         /* Kermit Option States */
438      unsigned char me_start;       /* I have a Server active */
439      unsigned char me_req_start;   /* Sent Req-Start, Waiting for response */
440      unsigned char me_req_stop;    /* Sent Req-Stop, Waiting for response  */
441      unsigned char u_start;        /* You have a Server active */
442      unsigned char sop;            /* Have we received the SOP char? */
443    } kermit;
444#endif /* IKS_OPTION */
445#ifdef CK_ENCRYPTION
446    struct _telopt_encrypt {        /* Encryption Option States */
447      unsigned char need_to_send;
448      unsigned char  stop;          /* Is encryption stopped?   */
449    } encrypt;
450#endif /* CK_ENCRYPTION */
451#ifdef CK_NAWS
452    struct _telopt_naws {           /* NAWS Option Information  */
453      unsigned char need_to_send;
454      int x;                        /* Last Width               */
455      int y;                        /* Last Height              */
456    } naws;
457#endif /* CK_NAWS */
458#ifdef CK_SSL
459    struct _telopt_start_tls {      /* Start TLS Option             */
460       unsigned char u_follows;     /* u ready for TLS negotiation  */
461       unsigned char me_follows;    /* me ready for TLS negotiation */
462    } start_tls;
463#endif /* CK_SSL */
464    struct _telopt_term {          /* Terminal Type            */
465       unsigned char need_to_send;
466       unsigned char type[41];     /* Last terminal type       */
467    } term;
468#ifdef CK_ENVIRONMENT
469    struct _telopt_new_env {
470       unsigned char need_to_send;
471       unsigned char * str;
472       int             len;
473    } env;
474#ifdef CK_XDISPLOC
475    struct _telopt_xdisp {
476       unsigned char need_to_send;
477    } xdisp;
478#endif /* CK_XDISPLOC */
479#endif /* CK_ENVIRONMENT */
480#ifdef CK_SNDLOC
481    struct _telopt_sndloc {
482       unsigned char need_to_send;
483    } sndloc;
484#endif /* CK_SNDLOC */
485#ifdef CK_FORWARD_X
486    struct _telopt_fwd_x {
487        unsigned char need_to_send;
488        int listen_socket;
489        struct _channel {
490            int fd;
491            int id;
492            unsigned char need_to_send_xauth;
493            unsigned char suspend;
494        } channel[MAXFWDX];
495#ifdef NT
496        int thread_started;
497#endif /* NT */
498    } forward_x;
499#endif /* CK_FORWARD_X */
500#ifdef TN_COMPORT
501      struct _telopt_comport {
502          unsigned char need_to_send;
503          unsigned char wait_for_sb;
504          unsigned char wait_for_ms;
505      } comport;
506#endif /* TN_COMPORT */
507    /* additional options such as New Environment or Send Location */
508  } sb;
509};
510typedef struct _telopt_state telopt_state, *p_telopt_state;
511
512/* telopt_states[] is the array of structs which the state of each telnet */
513/* option is stored.  We allocate one more than we need in case we are    */
514/* sent telnet options that we do not recognize.  If by some chance the   */
515/* TELOPT_OK() check is skipped, TELOPT_INDEX() will force the option to  */
516/* use the extra cell.                                                    */
517
518#ifdef TELOPT_STATES
519telopt_state telopt_states[NTELOPTS+1];
520#else /* TELOPT_STATES */
521extern telopt_state telopt_states[];
522#endif /* TELOPT_STATES */
523
524#define TELOPT_ME(x) (telopt_states[TELOPT_INDEX(x)].me)
525#define TELOPT_U(x)  (telopt_states[TELOPT_INDEX(x)].u)
526#define TELOPT_ME_MODE(x) \
527        (telopt_states[TELOPT_INDEX(x)].me_mode)
528#define TELOPT_U_MODE(x)  \
529        (telopt_states[TELOPT_INDEX(x)].u_mode)
530#define TELOPT_UNANSWERED_WILL(x) \
531        (telopt_states[TELOPT_INDEX(x)].unanswered_will)
532#define TELOPT_UNANSWERED_DO(x)   \
533        (telopt_states[TELOPT_INDEX(x)].unanswered_do)
534#define TELOPT_UNANSWERED_WONT(x) \
535        (telopt_states[TELOPT_INDEX(x)].unanswered_wont)
536#define TELOPT_UNANSWERED_DONT(x)   \
537        (telopt_states[TELOPT_INDEX(x)].unanswered_dont)
538#define TELOPT_UNANSWERED_SB(x)   \
539        (telopt_states[TELOPT_INDEX(x)].unanswered_sb)
540#define TELOPT_SB(x) \
541        (telopt_states[TELOPT_INDEX(x)].sb)
542#define TELOPT_DEF_S_ME_MODE(x) \
543        (telopt_states[TELOPT_INDEX(x)].def_server_me_mode)
544#define TELOPT_DEF_S_U_MODE(x)  \
545        (telopt_states[TELOPT_INDEX(x)].def_server_u_mode)
546#define TELOPT_DEF_C_ME_MODE(x) \
547        (telopt_states[TELOPT_INDEX(x)].def_client_me_mode)
548#define TELOPT_DEF_C_U_MODE(x)  \
549        (telopt_states[TELOPT_INDEX(x)].def_client_u_mode)
550
551#ifdef TELOPT_MODES
552char * telopt_modes[4] = {
553    "REFUSED", "ACCEPTED", "REQUESTED", "REQUIRED"
554};
555#else /* TELOPT_MODES */
556extern char * telopt_modes[];
557#endif /* TELOPT_MODES */
558
559#ifdef TELOPT_MACRO
560#define TELOPT_MODE_OK(x) ((unsigned int)(x) <= TN_NG_MU)
561#define TELOPT_MODE(x) (TELOPT_MODE_OK(x)?telopt_modes[(x)-TN_NG_RF]:"UNKNOWN")
562#else /* TELOPT_MACRO */
563_PROTOTYP(int telopt_mode_ok,(int));
564_PROTOTYP(CHAR * telopt_mode,(int));
565
566#define TELOPT_MODE_OK(x) telopt_mode_ok(x)
567#define TELOPT_MODE(x)    telopt_mode(x)
568#endif /* TELOPT_MACRO */
569
570/* Sub-option qualifiers */
571#define TELQUAL_IS      0       /* option is... */
572#define TELQUAL_SEND    1       /* send option */
573#define TELQUAL_INFO    2       /* ENVIRON: informational version of IS */
574#define TELQUAL_REPLY   2       /* AUTHENTICATION: client version of IS */
575#define TELQUAL_NAME    3       /* AUTHENTICATION: client version of IS */
576
577#define TEL_ENV_VAR     0
578#define TEL_ENV_VALUE   1
579#define TEL_ENV_ESC     2
580#define TEL_ENV_USERVAR 3
581
582#define LFLOW_OFF               0       /* Disable remote flow control */
583#define LFLOW_ON                1       /* Enable remote flow control */
584#define LFLOW_RESTART_ANY       2       /* Restart output on any char */
585#define LFLOW_RESTART_XON       3       /* Restart output only on XON */
586
587/*
588 * LINEMODE suboptions
589 */
590
591#define LM_MODE         1
592#define LM_FORWARDMASK  2
593#define LM_SLC          3
594
595#define MODE_EDIT       0x01
596#define MODE_TRAPSIG    0x02
597#define MODE_ACK        0x04
598#define MODE_SOFT_TAB   0x08
599#define MODE_LIT_ECHO   0x10
600
601#define MODE_MASK       0x1f
602
603/* Not part of protocol, but needed to simplify things... */
604#define MODE_FLOW               0x0100
605#define MODE_ECHO               0x0200
606#define MODE_INBIN              0x0400
607#define MODE_OUTBIN             0x0800
608#define MODE_FORCE              0x1000
609
610#define SLC_SYNCH       1
611#define SLC_BRK         2
612#define SLC_IP          3
613#define SLC_AO          4
614#define SLC_AYT         5
615#define SLC_EOR         6
616#define SLC_ABORT       7
617#define SLC_EOF         8
618#define SLC_SUSP        9
619#define SLC_EC          10
620#define SLC_EL          11
621#define SLC_EW          12
622#define SLC_RP          13
623#define SLC_LNEXT       14
624#define SLC_XON         15
625#define SLC_XOFF        16
626#define SLC_FORW1       17
627#define SLC_FORW2       18
628#define SLC_MCL         19
629#define SLC_MCR         20
630#define SLC_MCWL        21
631#define SLC_MCWR        22
632#define SLC_MCBOL       23
633#define SLC_MCEOL       24
634#define SLC_INSRT       25
635#define SLC_OVER        26
636#define SLC_ECR         27
637#define SLC_EWR         28
638#define SLC_EBOL        29
639#define SLC_EEOL        30
640
641#define NSLC            30
642
643/*
644 * For backwards compatability, we define SLC_NAMES to be the
645 * list of names if SLC_NAMES is not defined.
646 */
647#define SLC_NAMELIST    "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
648                        "ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
649                        "LNEXT", "XON", "XOFF", "FORW1", "FORW2", \
650                        "MCL", "MCR", "MCWL", "MCWR", "MCBOL", "MCEOL", \
651                        "INSRT", "OVER", "ECR", "EWR", "EBOL", "EEOL", 0
652#ifdef  SLC_NAMES
653char *slc_names[] = {
654        SLC_NAMELIST
655};
656#else
657extern char *slc_names[];
658#define SLC_NAMES SLC_NAMELIST
659#endif
660
661#define SLC_NAME_OK(x)  ((unsigned int)(x) <= NSLC)
662#define SLC_NAME(x)     (SLC_NAME_OK(x)?slc_names[x]:"UNKNOWN")
663
664#define SLC_NOSUPPORT       0
665#define SLC_CANTCHANGE      1
666#define SLC_VARIABLE        2
667#define SLC_DEFAULT         3
668#define SLC_LEVELBITS       0x03
669
670#define SLC_FUNC            0
671#define SLC_FLAGS           1
672#define SLC_VALUE           2
673
674#define SLC_ACK             0x80
675#define SLC_FLUSHIN         0x40
676#define SLC_FLUSHOUT        0x20
677
678#define OLD_ENV_VAR         1
679#define OLD_ENV_VALUE       0
680#define NEW_ENV_VAR         0
681#define NEW_ENV_VALUE       1
682#define ENV_ESC             2
683#define ENV_USERVAR         3
684
685#define FWDX_SCREEN         0
686#define FWDX_OPEN           1
687#define FWDX_CLOSE          2
688#define FWDX_DATA           3
689#define FWDX_OPTIONS        4
690#define FWDX_OPT_DATA       5
691#define FWDX_XOFF           6
692#define FWDX_XON            7
693
694#define FWDX_OPT_NONE       0
695#define FWDX_OPT_XAUTH      1
696
697/*
698 * AUTHENTICATION suboptions
699 */
700
701/*
702 * Who is authenticating who ...
703 */
704#define AUTH_CLIENT_TO_SERVER   0       /* Client authenticating server */
705#define AUTH_SERVER_TO_CLIENT   1       /* Server authenticating client */
706#define AUTH_WHO_MASK           1
707
708/*
709 * amount of authentication done
710 */
711#define AUTH_HOW_ONE_WAY        0
712#define AUTH_HOW_MUTUAL         2
713#define AUTH_HOW_MASK           2
714
715/*
716 * should we be encrypting?
717 */
718#define AUTH_ENCRYPT_OFF             0
719#define AUTH_ENCRYPT_USING_TELOPT    4
720#define AUTH_ENCRYPT_AFTER_EXCHANGE 16
721#define AUTH_ENCRYPT_START_TLS      20
722#define AUTH_ENCRYPT_MASK           20
723
724/*
725 * will we be forwarding?
726 * if we want to activate the use of this flag then
727 *   #define USE_INI_CRED_FWD
728 */
729#define INI_CRED_FWD_OFF        0
730#define INI_CRED_FWD_ON         8
731#define INI_CRED_FWD_MASK       8
732#define USE_INI_CRED_FWD
733
734#define AUTHTYPE_NULL           0
735#define AUTHTYPE_KERBEROS_V4    1
736#define AUTHTYPE_KERBEROS_V5    2
737#define AUTHTYPE_SPX            3
738#define AUTHTYPE_MINK           4
739#define AUTHTYPE_SRP            5
740#define AUTHTYPE_RSA            6
741#define AUTHTYPE_SSL            7
742#define AUTHTYPE_LOKI          10
743#define AUTHTYPE_SSA           11
744#define AUTHTYPE_KEA_SJ        12
745#define AUTHTYPE_KEA_INTEG     13
746#define AUTHTYPE_DSS           14
747#define AUTHTYPE_NTLM          15
748#define AUTHTYPE_GSSAPI_KRB5   16               /* Not allocated by IANA */
749#ifdef AUTHTYPE_CNT
750#undef AUTHTYPE_CNT
751#endif /* AUTHTYPE_CNT */
752#define AUTHTYPE_CNT           17
753
754/*
755 * AUTHTYPEs Last updated 21 March 1999
756 * from http://www.isi.edu/in-notes/iana/assignments/telnet-options
757 */
758
759#define AUTHTYPE_AUTO           99
760
761#ifdef  AUTH_NAMES
762char *authtype_names[] = {
763    "NULL",                     /* RFC 2941 */
764    "KERBEROS_V4",              /* RFC 2941 / 1411 */
765    "KERBEROS_V5",              /* RFC 2941 */
766    "SPX",                      /* RFC 2941 (not Internet Standard) */
767    "MINK",                     /* RFC 2941 (not Internet Standard) */
768    "SRP",                      /* RFC 2944 */
769    "RSA",                      /* RFC 2941 (not Internet Standard) */
770    "SSL",                      /* RFC 2941 (not Internet Standard) */
771    "IANA_8",                   /* not assigned by IANA */
772    "IANA_9",                   /* not assigned by IANA */
773    "LOKI",                     /* RFC 2941 (not Internet Standard) */
774    "SSA",                      /* Schoch */
775    "KEA_SJ",                   /* RFC 2951 */
776    "KEA_SJ_INTEG",             /* RFC 2951 */
777    "DSS",                      /* RFC 2943 */
778    "NTLM",                     /* Kahn <louisk@microsoft.com> */
779    "GSSAPI-KRB5",              /* experimental - altman */
780    0
781};
782char * authmode_names[] = {
783    "CLIENT_TO_SERVER|ONE_WAY",
784    "SERVER_TO_CLIENT|ONE_WAY",
785    "CLIENT_TO_SERVER|MUTUAL",
786    "SERVER_TO_CLIENT|MUTUAL",
787    "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_USING_TELOPT",
788    "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_USING_TELOPT",
789    "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_USING_TELOPT",
790    "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_USING_TELOPT",
791    "CLIENT_TO_SERVER|ONE_WAY|CRED_FWD",
792    "SERVER_TO_CLIENT|ONE_WAY|CRED_FWD",
793    "CLIENT_TO_SERVER|MUTUAL|CRED_FWD",
794    "SERVER_TO_CLIENT|MUTUAL|CRED_FWD",
795    "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_USING_TELOPT|CRED_FWD",
796    "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_USING_TELOPT|CRED_FWD",
797    "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_USING_TELOPT|CRED_FWD",
798    "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_USING_TELOPT|CRED_FWD",
799    "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_AFTER_EXCHANGE",
800    "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_AFTER_EXCHANGE",
801    "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_AFTER_EXCHANGE",
802    "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_AFTER_EXCHANGE",
803    "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_START_TLS",
804    "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_START_TLS",
805    "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_START_TLS",
806    "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_START_TLS",
807    "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_AFTER_EXCHANGE|CRED_FWD",
808    "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_AFTER_EXCHANGE|CRED_FWD",
809    "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_AFTER_EXCHANGE|CRED_FWD",
810    "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_AFTER_EXCHANGE|CRED_FWD",
811    "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_START_TLS|CRED_FWD",
812    "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_START_TLS|CRED_FWD",
813    "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_START_TLS|CRED_FWD",
814    "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_START_TLS|CRED_FWD",
815    0
816};
817#else
818extern char *authtype_names[];
819extern char *authmode_names[];
820#endif
821#define AUTHMODE_CNT  32
822
823#define AUTHTYPE_NAME_OK(x)     ((unsigned int)(x) < AUTHTYPE_CNT)
824#define AUTHTYPE_NAME(x)      (AUTHTYPE_NAME_OK(x)?authtype_names[x]:"UNKNOWN")
825
826#define AUTHMODE_NAME_OK(x)     ((unsigned int)(x) < AUTHMODE_CNT)
827#define AUTHMODE_NAME(x)      (AUTHMODE_NAME_OK(x)?authmode_names[x]:"UNKNOWN")
828
829/* Kerberos Authentication Message Identifiers */
830#define KRB_AUTH                0       /* Authentication data follows */
831#define KRB_REJECT              1       /* Rejected (reason might follow) */
832#define KRB_ACCEPT              2       /* Accepted */
833#define KRB4_CHALLENGE          3
834#define KRB4_RESPONSE           4
835#define KRB5_RESPONSE           3       /* Response for mutual auth. */
836#define KRB5_FORWARD            4       /* Forwarded credentials follow */
837#define KRB5_FORWARD_ACCEPT     5       /* Forwarded credentials accepted */
838#define KRB5_FORWARD_REJECT     6       /* Forwarded credentials rejected */
839#define KRB5_TLS_VERIFY         7       /* TLS Finished Msg verifier */
840
841/* GSSAPI-KRB5 Authentication Message Identifiers */
842#define GSS_AUTH_DATA           0       /* Authentication data follows */
843#define GSS_REJECT              1       /* Rejected (reason might follow) */
844#define GSS_ACCEPT              2       /* Accepted (username might follow) */
845#define GSS_CONTINUE            3
846
847/* Secure Remote Password Authentication Message Identifiers */
848#define SRP_AUTH                0       /* Authentication data follows */
849#define SRP_REJECT              1       /* Rejected (reason might follow) */
850#define SRP_ACCEPT              2       /* Accepted */
851#define SRP_CHALLENGE           3
852#define SRP_RESPONSE            4
853#define SRP_EXP                 8       /* */
854#define SRP_PARAMS              9       /* */
855
856/* Telnet Auth using KEA and SKIPJACK */
857
858#define KEA_CERTA_RA              1
859#define KEA_CERTB_RB_IVB_NONCEB   2
860#define KEA_IVA_RESPONSEB_NONCEA  3
861#define KEA_RESPONSEA             4
862
863/* Tim Hudson's SSL Authentication Message Identifiers */
864#define SSL_START     1
865#define SSL_ACCEPT    2
866#define SSL_REJECT    3
867
868/* Microsoft NTLM Authentication Message Identifiers */
869#define NTLM_AUTH   0
870#define NTLM_CHALLENGE 1
871#define NTLM_RESPONSE  2
872#define NTLM_ACCEPT 3
873#define NTLM_REJECT 4
874
875/* Generic Constants */
876#define AUTH_SUCCESS    0
877#define AUTH_FAILURE    255
878
879/*
880 * ENCRYPTion suboptions
881 */
882#define ENCRYPT_IS              0       /* I pick encryption type ... */
883#define ENCRYPT_SUPPORT         1       /* I support encryption types ... */
884#define ENCRYPT_REPLY           2       /* Initial setup response */
885#define ENCRYPT_START           3       /* Am starting to send encrypted */
886#define ENCRYPT_END             4       /* Am ending encrypted */
887#define ENCRYPT_REQSTART        5       /* Request you start encrypting */
888#define ENCRYPT_REQEND          6       /* Request you send encrypting */
889#define ENCRYPT_ENC_KEYID       7
890#define ENCRYPT_DEC_KEYID       8
891#define ENCRYPT_CNT             9
892
893#define ENCTYPE_ANY             0
894#define ENCTYPE_DES_CFB64       1
895#define ENCTYPE_DES_OFB64       2
896#define ENCTYPE_DES3_CFB64      3
897#define ENCTYPE_DES3_OFB64      4
898#define ENCTYPE_CAST5_40_CFB64  8
899#define ENCTYPE_CAST5_40_OFB64  9
900#define ENCTYPE_CAST128_CFB64   10
901#define ENCTYPE_CAST128_OFB64   11
902#ifdef ENCTYPE_CNT
903#undef ENCTYPE_CNT
904#endif
905#define ENCTYPE_CNT             12
906
907#ifdef  ENCRYPT_NAMES
908char *encrypt_names[] = {
909        "IS", "SUPPORT", "REPLY", "START", "END",
910        "REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID",
911        0
912};
913char *enctype_names[] = {
914    "ANY",
915    "DES_CFB64",                /* RFC 2952 */
916    "DES_OFB64",                /* RFC 2953 */
917    "DES3_CFB64",               /* RFC 2947 */
918    "DES3_OFB64",               /* RFC 2948 */
919    "UNKNOWN-5",
920    "UNKNOWN-6",
921    "UNKNOWN-7",
922    "CAST5_40_CFB64",           /* RFC 2950 */
923    "CAST5_40_OFB64",           /* RFC 2949 */
924    "CAST128_CFB64",            /* RFC 2950*/
925    "CAST128_OFB64",            /* RFC 2949 */
926    0
927};
928#else
929extern char *encrypt_names[];
930extern char *enctype_names[];
931#endif
932
933#define ENCRYPT_NAME_OK(x)      ((unsigned int)(x) < ENCRYPT_CNT)
934#define ENCRYPT_NAME(x)      (ENCRYPT_NAME_OK(x)?encrypt_names[x]:"UNKNOWN")
935
936#define ENCTYPE_NAME_OK(x)      ((unsigned int)(x) < ENCTYPE_CNT)
937#define ENCTYPE_NAME(x)      (ENCTYPE_NAME_OK(x)?enctype_names[x]:"UNKNOWN")
938
939/* For setting the state of validUser */
940
941#define AUTH_REJECT     0       /* Rejected */
942#define AUTH_UNKNOWN    1       /* We don't know who he is, but he's okay */
943#define AUTH_OTHER      2       /* We know him, but not his name */
944#define AUTH_USER       3       /* We know he name */
945#define AUTH_VALID      4       /* We know him, and he needs no password */
946
947/* Kermit Option Subnegotiations */
948
949#define KERMIT_START      0
950#define KERMIT_STOP       1
951#define KERMIT_REQ_START  2
952#define KERMIT_REQ_STOP   3
953#define KERMIT_SOP        4
954#define KERMIT_RESP_START 8
955#define KERMIT_RESP_STOP  9
956
957/* For SET TELNET AUTH HOW  */
958#define TN_AUTH_HOW_ANY     0
959#define TN_AUTH_HOW_ONE_WAY 1
960#define TN_AUTH_HOW_MUTUAL  2
961
962/* For SET TELNET AUTH ENCRYPT */
963#define TN_AUTH_ENC_ANY     0
964#define TN_AUTH_ENC_NONE    1
965#define TN_AUTH_ENC_TELOPT  2
966#define TN_AUTH_ENC_EXCH    3  /* not used in Kermit */
967#define TN_AUTH_ENC_TLS     4
968
969/* Telnet protocol functions defined in C-Kermit */
970
971_PROTOTYP( int tn_ini, (void) );        /* Telnet protocol support */
972_PROTOTYP( int tn_reset, (void));
973_PROTOTYP( int tn_set_modes, (void));
974_PROTOTYP( int tn_sopt, (int, int) );
975_PROTOTYP( int tn_doop, (CHAR, int, int (*)(int) ) );
976_PROTOTYP( int tn_sttyp, (void) );
977_PROTOTYP( int tn_snenv, (CHAR *, int) ) ;
978_PROTOTYP( int tn_rnenv, (CHAR *, int) ) ;
979_PROTOTYP( int tn_wait, (char *) ) ;
980_PROTOTYP( int tn_push, (void) ) ;
981_PROTOTYP( int tnsndbrk, (void) );
982_PROTOTYP( VOID tn_debug, (char *));
983_PROTOTYP( int tn_hex, (CHAR *, int, CHAR *, int));
984_PROTOTYP( unsigned char * tn_get_display, (void));
985#ifdef IKS_OPTION
986_PROTOTYP( int tn_siks, (int) );
987_PROTOTYP( int iks_wait, (int, int) );
988#endif /* IKS_OPTION */
989#ifdef CK_NAWS
990_PROTOTYP( int tn_snaws, (void) );
991#endif /* CK_NAWS */
992#ifdef CK_XDISPLOC
993_PROTOTYP( int tn_sxdisploc, (void) );
994#endif /* CK_XDISPLOC */
995#ifdef CK_SNDLOC
996_PROTOTYP( int tn_sndloc, (void) );
997#endif /* CK_SNDLOC */
998#ifdef CK_FORWARD_X
999/* From Xauth.h */
1000typedef struct xauth {
1001    unsigned short   family;
1002    unsigned short   address_length;
1003    char            *address;
1004    unsigned short   number_length;
1005    char            *number;
1006    unsigned short   name_length;
1007    char            *name;
1008    unsigned short   data_length;
1009    char            *data;
1010} Xauth;
1011
1012#include   <stdio.h>
1013
1014/* from X.h */
1015#define FamilyInternet          0
1016#define FamilyDECnet            1
1017#define FamilyChaos             2
1018
1019# define FamilyLocal (256)      /* not part of X standard (i.e. X.h) */
1020# define FamilyWild  (65535)
1021# define FamilyNetname    (254)   /* not part of X standard */
1022# define FamilyKrb5Principal (253) /* Kerberos 5 principal name */
1023# define FamilyLocalHost (252)  /* for local non-net authentication */
1024char *XauFileName();
1025
1026Xauth *XauReadAuth(
1027FILE*   /* auth_file */
1028);
1029
1030int XauWriteAuth(
1031FILE*           /* auth_file */,
1032Xauth*          /* auth */
1033);
1034
1035Xauth *XauGetAuthByName(
1036const char*     /* display_name */
1037);
1038
1039Xauth *XauGetAuthByAddr(
1040unsigned int    /* family */,
1041unsigned int    /* address_length */,
1042const char*     /* address */,
1043unsigned int    /* number_length */,
1044const char*     /* number */,
1045unsigned int    /* name_length */,
1046const char*     /* name */
1047);
1048
1049void XauDisposeAuth(
1050Xauth*          /* auth */
1051);
1052
1053
1054_PROTOTYP( int fwdx_create_listen_socket,(int));
1055_PROTOTYP( int fwdx_open_client_channel,(int));
1056_PROTOTYP( int fwdx_open_server_channel,(VOID));
1057_PROTOTYP( int fwdx_close_channel,(int));
1058_PROTOTYP( int fwdx_write_data_to_channel,(int, char *,int));
1059_PROTOTYP( int fwdx_send_data_from_channel,(int, char *,int));
1060_PROTOTYP( int fwdx_close_all,(VOID));
1061_PROTOTYP( int fwdx_tn_sb,(unsigned char *, int));
1062_PROTOTYP( int tn_sndfwdx, (void));
1063_PROTOTYP( int fwdx_send_close,(int));
1064_PROTOTYP( int fwdx_send_open,(int));
1065_PROTOTYP( int fwdx_client_reply_options,(char *, int));
1066_PROTOTYP( int fwdx_send_options,(VOID));
1067_PROTOTYP( VOID fwdx_check_sockets,(fd_set *));
1068_PROTOTYP( int fwdx_init_fd_set,(fd_set *));
1069_PROTOTYP( int fwdx_authorize_channel, (int, unsigned char *, int));
1070_PROTOTYP( int fwdx_create_fake_xauth, (char *, int, int));
1071_PROTOTYP( int fwdx_send_xauth, (VOID));
1072_PROTOTYP( int fwdx_server_avail, (VOID));
1073#ifdef NT
1074_PROTOTYP( VOID fwdx_thread,(VOID *));
1075#endif /* NT */
1076#endif /* CK_FORWARD_X */
1077
1078#ifdef TN_COMPORT
1079#define TNC_C2S_SIGNATURE                 0
1080#define TNC_C2S_SET_BAUDRATE              1
1081#define TNC_C2S_SET_DATASIZE              2
1082#define TNC_C2S_SET_PARITY                3
1083#define TNC_C2S_SET_STOPSIZE              4
1084#define TNC_C2S_SET_CONTROL               5
1085#define TNC_C2S_NOTIFY_LINESTATE          6
1086#define TNC_C2S_NOTIFY_MODEMSTATE         7
1087#define TNC_C2S_FLOW_SUSPEND              8
1088#define TNC_C2S_FLOW_RESUME               9
1089#define TNC_C2S_SET_LS_MASK              10
1090#define TNC_C2S_SET_MS_MASK              11
1091#define TNC_C2S_PURGE                    12
1092#define TNC_S2C_SIGNATURE               100
1093#define TNC_S2C_SET_BAUDRATE            101
1094#define TNC_S2C_SET_DATASIZE            102
1095#define TNC_S2C_SET_PARITY              103
1096#define TNC_S2C_SET_STOPSIZE            104
1097#define TNC_S2C_SET_CONTROL             105
1098#define TNC_S2C_SEND_LS                 106
1099#define TNC_S2C_SEND_MS                 107
1100#define TNC_S2C_FLOW_SUSPEND            108
1101#define TNC_S2C_FLOW_RESUME             109
1102#define TNC_S2C_SET_LS_MASK             110
1103#define TNC_S2C_SET_MS_MASK             111
1104#define TNC_S2C_PURGE                   112
1105
1106/* The COMPORT values are not defined in RFC 2217 */
1107#define TNC_BPS_REQUEST                  0
1108#define TNC_BPS_300                      3
1109#define TNC_BPS_600                      4
1110#define TNC_BPS_1200                     5
1111#define TNC_BPS_2400                     6
1112#define TNC_BPS_4800                     7
1113#define TNC_BPS_9600                     8
1114#define TNC_BPS_14400                    9
1115#define TNC_BPS_19200                   10
1116#define TNC_BPS_28800                   11
1117#define TNC_BPS_38400                   12
1118#define TNC_BPS_57600                   13
1119#define TNC_BPS_115200                  14
1120#define TNC_BPS_230400                  15
1121#define TNC_BPS_460800                  16
1122
1123#define TNC_DS_REQUEST                   0
1124#define TNC_DS_5                         5
1125#define TNC_DS_6                         6
1126#define TNC_DS_7                         7
1127#define TNC_DS_8                         8
1128
1129#define TNC_PAR_REQUEST                  0
1130#define TNC_PAR_NONE                     1
1131#define TNC_PAR_ODD                      2
1132#define TNC_PAR_EVEN                     3
1133#define TNC_PAR_MARK                     4
1134#define TNC_PAR_SPACE                    5
1135
1136#define TNC_SB_REQUEST                   0
1137#define TNC_SB_1                         1
1138#define TNC_SB_1_5                       3
1139#define TNC_SB_2                         2
1140
1141#define TNC_CTL_OFLOW_REQUEST            0
1142#define TNC_CTL_OFLOW_NONE               1
1143#define TNC_CTL_OFLOW_XON_XOFF           2
1144#define TNC_CTL_OFLOW_RTS_CTS            3
1145#define TNC_CTL_OFLOW_DCD               17
1146#define TNC_CTL_OFLOW_DSR               19
1147
1148#define TNC_CTL_BREAK_REQUEST            4
1149#define TNC_CTL_BREAK_ON                 5
1150#define TNC_CTL_BREAK_OFF                6
1151
1152#define TNC_CTL_DTR_REQUEST              7
1153#define TNC_CTL_DTR_ON                   8
1154#define TNC_CTL_DTR_OFF                  9
1155
1156#define TNC_CTL_RTS_REQUEST             10
1157#define TNC_CTL_RTS_ON                  11
1158#define TNC_CTL_RTS_OFF                 12
1159
1160#define TNC_CTL_IFLOW_REQUEST           13
1161#define TNC_CTL_IFLOW_NONE              14
1162#define TNC_CTL_IFLOW_XON_XOFF          15
1163#define TNC_CTL_IFLOW_RTS_CTS           16
1164#define TNC_CTL_IFLOW_DTR               18
1165
1166#define TNC_MS_DATA_READY                1
1167#define TNC_MS_OVERRUN_ERROR             2
1168#define TNC_MS_PARITY_ERROR              4
1169#define TNC_MS_FRAME_ERROR               8
1170#define TNC_MS_BREAK_ERROR              16
1171#define TNC_MS_HR_EMPTY                 32
1172#define TNC_MS_SR_EMPTY                 64
1173#define TNC_MS_TIMEOUT_ERROR           128
1174
1175#define TNC_MS_CTS_DELTA                 1
1176#define TNC_MS_DSR_DELTA                 2
1177#define TNC_MS_EDGE_RING                 4
1178#define TNC_MS_RLSD_DELTA                8
1179#define TNC_MS_CTS_SIG                  16
1180#define TNC_MS_DSR_SIG                  32
1181#define TNC_MS_RI_SIG                   64
1182#define TNC_MS_RLSD_SIG                128
1183
1184#define TNC_PURGE_RECEIVE                1
1185#define TNC_PURGE_TRANSMIT               2
1186#define TNC_PURGE_BOTH                   3
1187
1188#ifdef  TNC_NAMES
1189char *tnc_names[] = {
1190    "SIGNATURE", "SET-BAUDRATE", "SET-DATARATE", "SET-PARITY", "SET-STOPSIZE",
1191    "SET-CONTROL", "NOTIFY-LINESTATE", "NOTIFY-MODEMSTATE",
1192    "FLOWCONTROL-SUSPEND", "FLOWCONTROL-RESUME", "SET-LINESTATE-MASK",
1193    "SET-MODEMSTATE-MASK", "PURGE-DATA",
1194    0
1195};
1196#else
1197extern char *tnc_names[];
1198#endif
1199
1200#define TNC_NAME_OK(x)  ((x) >= 0 && (x) <= 12 || (x) >= 100 && (x) <= 112)
1201#define TNC_NAME(x) \
1202             (TNC_NAME_OK(x)?tnc_names[(x)>=100?(x)-100:(x)]:"UNKNOWN")
1203
1204_PROTOTYP(int tnc_init,(void));
1205_PROTOTYP(int tnc_wait,(CHAR *, int));
1206_PROTOTYP(int tnc_tn_sb,(CHAR *,int));
1207_PROTOTYP(CONST char * tnc_get_signature, (void));
1208_PROTOTYP(int tnc_send_signature, (char *));
1209_PROTOTYP(int tnc_set_baud,(long));
1210_PROTOTYP(int tnc_get_baud,(void));
1211_PROTOTYP(int tnc_set_datasize,(int));
1212_PROTOTYP(int tnc_get_datasize,(void));
1213_PROTOTYP(int tnc_set_parity,(int));
1214_PROTOTYP(int tnc_get_parity,(void));
1215_PROTOTYP(int tnc_set_stopsize,(int));
1216_PROTOTYP(int tnc_get_stopsize,(void));
1217_PROTOTYP(int tnc_set_oflow,(int));
1218_PROTOTYP(int tnc_get_oflow,(void));
1219_PROTOTYP(int tnc_set_iflow,(int));
1220_PROTOTYP(int tnc_get_iflow,(void));
1221_PROTOTYP(int tnc_set_break_state,(int));
1222_PROTOTYP(int tnc_get_break_state,(void));
1223_PROTOTYP(int tnc_set_dtr_state,(int));
1224_PROTOTYP(int tnc_get_dtr_state,(void));
1225_PROTOTYP(int tnc_set_rts_state,(int));
1226_PROTOTYP(int tnc_get_rts_state,(void));
1227_PROTOTYP(int tnc_set_ls_mask,(int));
1228_PROTOTYP(int tnc_get_ls_mask,(void));
1229_PROTOTYP(int tnc_get_ls,(void));
1230_PROTOTYP(int tnc_set_ms_mask,(int));
1231_PROTOTYP(int tnc_get_ms_mask,(void));
1232_PROTOTYP(int tnc_get_ms,(void));
1233_PROTOTYP(int tnc_send_purge_data,(int));
1234_PROTOTYP(int tnc_flow_suspended,(void));
1235_PROTOTYP(int tnc_suspend_flow,(void));
1236_PROTOTYP(int tnc_resume_flow,(void));
1237
1238/* The following methods are to be called by ck?tio.c routines */
1239_PROTOTYP(int tnsetflow,(int));
1240_PROTOTYP(int tnsettings,(int,int));
1241_PROTOTYP(int tngmdm,(void));
1242_PROTOTYP(int tnsndb,(long));
1243_PROTOTYP(int istncomport,(void));
1244_PROTOTYP(int tn_sndcomport,(void));
1245#endif /* TN_COMPORT */
1246
1247#ifndef CKCTEL_C                        /* These are declared in ckctel.c */
1248extern int tn_init;                     /* Telnet protocol initialized flag */
1249extern char *tn_term;                   /* Terminal type override */
1250extern int sstelnet;                    /* Server side telnet? */
1251extern int tn_deb;                      /* Telnet option debugging flag */
1252#endif /* CKCTEL_C */
1253
1254#define TN_MSG_LEN 12292
1255#endif /* TNCODE */
1256#endif /* CKCTEL_H */
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