1 /* ckctel.h -- Symbol and macro definitions for C-Kermit telnet support */ 2 3 /* 4 Authors: Jeffrey E Altman <jaltman@secure-endpoints.com>, 5 Secure Endpoints Inc., New York City 6 Frank da Cruz <fdc@columbia.edu> 7 Columbia University Academic Information Systems, New York City. 8 9 Copyright (C) 1985, 2009, 10 Trustees of Columbia University in the City of New York. 11 All rights reserved. See the C-Kermit COPYING.TXT file or the 12 copyright text in the ckcmai.c module for disclaimer and permissions. 13 14 Notes: 15 . This file should be used in place of "arpa/telnet.h" 16 . Only one source file should include #defines for 17 TELCMDS, TELOPTS, TELOPT_STATES, SLC_NAMES, and AUTH_NAMES. 18 */ 19 20 #ifndef CKCTEL_H 21 #define CKCTEL_H 22 #ifdef TNCODE 23 /* 24 Definitions for the TELNET protocol. 25 can't rely on library header files for any of them. 26 */ 27 #ifdef COMMENT 28 /* In some compilers these are prone to sign extension */ 29 30 #ifndef IAC /* First the telnet commands */ 31 #define IAC 255 32 #endif /* IAC */ 33 #ifndef DONT 34 #define DONT 254 35 #endif /* DONT */ 36 #ifndef DO 37 #define DO 253 38 #endif /* DO */ 39 #ifndef WONT 40 #define WONT 252 41 #endif /* WONT */ 42 #ifndef WILL 43 #define WILL 251 44 #endif /* WILL */ 45 #ifndef SB 46 #define SB 250 47 #endif /* SB */ 48 #ifndef TN_GA 49 #define TN_GA 249 50 #endif /* TN_GA */ 51 #ifndef TN_EL 52 #define TN_EL 248 53 #endif /* TN_EL */ 54 #ifndef TN_EC 55 #define TN_EC 247 56 #endif /* TN_EC */ 57 #ifndef TN_AYT 58 #define TN_AYT 246 59 #endif /* TN_AYT */ 60 #ifndef TN_AO 61 #define TN_AO 245 62 #endif /* TN_AO */ 63 #ifndef TN_IP 64 #define TN_IP 244 65 #endif /* TN_IP */ 66 #ifndef BREAK 67 #define BREAK 243 68 #endif /* BREAK */ 69 #ifndef TN_DM 70 #define TN_DM 242 71 #endif /* TN_DM */ 72 #ifndef TN_NOP 73 #define TN_NOP 241 74 #endif /* TN_NOP */ 75 #ifndef SE 76 #define SE 240 77 #endif /* SE */ 78 #ifndef TN_EOR 79 #define TN_EOR 239 80 #endif /* TN_EOR */ 81 #ifndef TN_ABORT 82 #define TN_ABORT 238 83 #endif /* TN_ABORT */ 84 #ifndef TN_SUSP 85 #define TN_SUSP 237 86 #endif /* TN_SUSP */ 87 #ifndef TN_EOF 88 #define TN_EOF 236 89 #endif /* TN_EOF */ 90 #ifndef LAST_TN_CMD 91 #define LAST_TN_CMD 236 92 93 #define TN_SAK 200 /* IBM Secure Attention Key */ 94 #endif /* LAST_TN_CMD */ 95 #define SYNCH 242 /* for telfunc calls */ 96 97 #else 98 /* Hex notation seems to suppress the sugn extension effect */ 99 100 101 #ifndef IAC /* First the telnet commands */ 102 #define IAC 0xff 103 #endif /* IAC */ 104 #ifndef DONT 105 #define DONT 0xfe /* 254 */ 106 #endif /* DONT */ 107 #ifndef DO 108 #define DO 0xfd /* 253 */ 109 #endif /* DO */ 110 #ifndef WONT 111 #define WONT 0xfc /* 252 */ 112 #endif /* WONT */ 113 #ifndef WILL 114 #define WILL 0xfb /* 251 */ 115 #endif /* WILL */ 116 #ifndef SB 117 #define SB 0xfa /* 250 */ 118 #endif /* SB */ 119 #ifndef TN_GA 120 #define TN_GA 0xf9 /* 249 */ 121 #endif /* TN_GA */ 122 #ifndef TN_EL 123 #define TN_EL 0xf8 /* 248 */ 124 #endif /* TN_EL */ 125 #ifndef TN_EC 126 #define TN_EC 0xf7 /* 247 */ 127 #endif /* TN_EC */ 128 #ifndef TN_AYT 129 #define TN_AYT 0xf6 /* 246 */ 130 #endif /* TN_AYT */ 131 #ifndef TN_AO 132 #define TN_AO 0xf5 /* 245 */ 133 #endif /* TN_AO */ 134 #ifndef TN_IP 135 #define TN_IP 0xf4 /* 244 */ 136 #endif /* TN_IP */ 137 #ifndef BREAK 138 #define BREAK 0xf3 /* 243 */ 139 #endif /* BREAK */ 140 #ifndef TN_DM 141 #define TN_DM 0xf2 /* 242 */ 142 #endif /* TN_DM */ 143 #ifndef TN_NOP 144 #define TN_NOP 0xf1 /* 241 */ 145 #endif /* TN_NOP */ 146 #ifndef SE 147 #define SE 0xf0 /* 240 */ 148 #endif /* SE */ 149 #ifndef TN_EOR 150 #define TN_EOR 0xef /* 239 */ 151 #endif /* TN_EOR */ 152 #ifndef TN_ABORT 153 #define TN_ABORT 0xee /* 238 */ 154 #endif /* TN_ABORT */ 155 #ifndef TN_SUSP 156 #define TN_SUSP 0xed /* 237 */ 157 #endif /* TN_SUSP */ 158 #ifndef TN_EOF 159 #define TN_EOF 0xec /* 236 */ 160 #endif /* TN_EOF */ 161 #ifndef LAST_TN_CMD 162 #define LAST_TN_CMD 0xec /* 236 */ 163 164 #define TN_SAK 0xc8 /* 200 - IBM Secure Attention Key */ 165 #endif /* LAST_TN_CMD */ 166 #define SYNCH 0xf2 /* 242 - for telfunc calls */ 167 168 #endif /* COMMENT */ 169 170 #ifdef TELCMDS 171 char *telcmds[] = { 172 "EOF", "SUSP", "ABORT", "EOR", 173 "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC", 174 "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC", 0 175 }; 176 #else /* TELCMDS */ 177 extern char *telcmds[]; 178 #endif /* TELCMDS */ 179 180 #define TELCMD_FIRST TN_EOF 181 #define TELCMD_LAST IAC 182 #define TELCMD_OK(x) ((unsigned int)(x) <= TELCMD_LAST && \ 183 (unsigned int)(x) >= TELCMD_FIRST || \ 184 (unsigned int)(x) == TN_SAK) 185 #define TELCMD(x) (TELCMD_OK(x)? ((x) == TN_SAK?"SAK": \ 186 telcmds[(x)-TELCMD_FIRST]):"UNKNOWN") 187 188 /* Then the options */ 189 /* NB: the following platforms have TELOPT_AUTHENTICATION defined as */ 190 /* 45 instead of 37. */ 191 #ifdef TELOPT_AUTHENTICATION 192 #ifdef __osf__ 193 #undef TELOPT_AUTHENTICATION 194 #endif /* __osf__ */ 195 #ifndef IRIX 196 #undef TELOPT_AUTHENTICATION 197 #endif /* IRIX */ 198 #ifndef ultrix 199 #undef TELOPT_AUTHENTICATION 200 #endif /* ultrix */ 201 #endif /* TELOPT_AUTHENTICATION */ 202 203 /* telnet options */ 204 #ifndef TELOPT_BINARY 205 #define TELOPT_BINARY 0 /* 8-bit data path (RFC 856)*/ 206 #endif 207 #ifndef TELOPT_ECHO 208 #define TELOPT_ECHO 1 /* echo (RFC 857)*/ 209 #endif 210 #ifndef TELOPT_RCP 211 #define TELOPT_RCP 2 /* prepare to reconnect (NIC 50005)*/ 212 #endif 213 #ifndef TELOPT_SGA 214 #define TELOPT_SGA 3 /* suppress go ahead (RFC 858) */ 215 #endif 216 #ifndef TELOPT_NAMS 217 #define TELOPT_NAMS 4 /* approximate message size (ETHERNET) */ 218 #endif 219 #ifndef TELOPT_STATUS 220 #define TELOPT_STATUS 5 /* give status (RFC 859) */ 221 #endif 222 #ifndef TELOPT_TM 223 #define TELOPT_TM 6 /* timing mark (RFC 860) */ 224 #endif 225 #ifndef TELOPT_RCTE 226 #define TELOPT_RCTE 7 /* remote controlled transmission and echo */ 227 #endif /* (RFC 726) */ 228 #ifndef TELOPT_NAOL 229 #define TELOPT_NAOL 8 /* negotiate about output line width */ 230 #endif /* (NIC 50005) */ 231 #ifndef TELOPT_NAOP 232 #define TELOPT_NAOP 9 /* negotiate about output page size */ 233 #endif /* (NIC 50005) */ 234 #ifndef TELOPT_NAOCRD 235 #define TELOPT_NAOCRD 10 /* negotiate about CR disposition (RFC 652) */ 236 #endif /* [Historic] */ 237 #ifndef TELOPT_NAOHTS 238 #define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */ 239 #endif /* (RFC 653) [Historic] */ 240 #ifndef TELOPT_NAOHTD 241 #define TELOPT_NAOHTD 12 /* negotiate about horiz tab disposition */ 242 #endif /* (RFC 654) [Historic] */ 243 #ifndef TELOPT_NAOFFD 244 #define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */ 245 #endif /* (RFC 655) [Historic] */ 246 #ifndef TELOPT_NAOVTS 247 #define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */ 248 #endif /* (RFC 656) [Historic] */ 249 #ifndef TELOPT_NAOVTD 250 #define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */ 251 #endif /* (RFC 657) [Historic] */ 252 #ifndef TELOPT_NAOLFD 253 #define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */ 254 #endif /* (RFC 658) [Historic] */ 255 #ifndef TELOPT_XASCII 256 #define TELOPT_XASCII 17 /* extended ascii character set */ 257 #endif /* (RFC 698) */ 258 #ifndef TELOPT_LOGOUT 259 #define TELOPT_LOGOUT 18 /* force logout (RFC 727) */ 260 #endif 261 #ifndef TELOPT_BM 262 #define TELOPT_BM 19 /* byte macro (RFC 735) */ 263 #endif 264 #ifndef TELOPT_DET 265 #define TELOPT_DET 20 /* data entry terminal (RFC 1043, 732) */ 266 #endif 267 #ifndef TELOPT_SUPDUP 268 #define TELOPT_SUPDUP 21 /* supdup protocol (RFC 736, 734) */ 269 #endif 270 #ifndef TELOPT_SUPDUPOUTPUT 271 #define TELOPT_SUPDUPOUTPUT 22 /* supdup output (RFC 749) */ 272 #endif 273 #ifndef TELOPT_SNDLOC 274 #define TELOPT_SNDLOC 23 /* send location (RFC 779) */ 275 #endif 276 #ifndef TELOPT_TTYPE 277 #define TELOPT_TTYPE 24 /* terminal type (RFC 1091) */ 278 #endif 279 #ifndef TELOPT_EOR 280 #define TELOPT_EOR 25 /* end of record (RFC 885) */ 281 #endif 282 #ifndef TELOPT_TUID 283 #define TELOPT_TUID 26 /* TACACS user identification (RFC 927) */ 284 #endif 285 #ifndef TELOPT_OUTMRK 286 #define TELOPT_OUTMRK 27 /* output marking (RFC 933) */ 287 #endif 288 #ifndef TELOPT_TTYLOC 289 #define TELOPT_TTYLOC 28 /* terminal location number (RFC 946) */ 290 #endif 291 #ifndef TELOPT_3270REGIME 292 #define TELOPT_3270REGIME 29 /* 3270 regime (RFC 1041) */ 293 #endif 294 #ifndef TELOPT_X3PAD 295 #define TELOPT_X3PAD 30 /* X.3 PAD (RFC 1053) */ 296 #endif 297 #ifndef TELOPT_NAWS 298 #define TELOPT_NAWS 31 /* window size (RFC 1073) */ 299 #endif 300 #ifndef TELOPT_TSPEED 301 #define TELOPT_TSPEED 32 /* terminal speed (RFC 1079) */ 302 #endif 303 #ifndef TELOPT_LFLOW 304 #define TELOPT_LFLOW 33 /* remote flow control (RFC 1372) */ 305 #endif 306 #ifndef TELOPT_LINEMODE 307 #define TELOPT_LINEMODE 34 /* Linemode option (RFC 1184) */ 308 #endif 309 #ifndef TELOPT_XDISPLOC 310 #define TELOPT_XDISPLOC 35 /* X Display Location (RFC 1096) */ 311 #endif 312 #ifndef TELOPT_OLD_ENVIRON 313 #define TELOPT_OLD_ENVIRON 36 /* Old - Environment variables (RFC 1408) */ 314 #endif 315 #ifndef TELOPT_AUTHENTICATION 316 #define TELOPT_AUTHENTICATION 37/* Authenticate (RFC 2941) */ 317 #endif 318 #ifndef TELOPT_ENCRYPTION 319 #define TELOPT_ENCRYPTION 38 /* Encryption option (RFC 2946) */ 320 #endif 321 #ifndef TELOPT_NEWENVIRON 322 #define TELOPT_NEWENVIRON 39 /* New - Environment variables (RFC 1572) */ 323 #endif 324 #ifndef TELOPT_3270E 325 #define TELOPT_3270E 40 /* 3270 Extended (RFC 1647) */ 326 #endif 327 #ifndef TELOPT_XAUTH 328 #define TELOPT_XAUTH 41 /* ??? (Earhart) */ 329 #endif 330 #ifndef TELOPT_CHARSET 331 #define TELOPT_CHARSET 42 /* Character-set (RFC 2066) */ 332 #endif 333 #ifndef TELOPT_RSP 334 #define TELOPT_RSP 43 /* Remote Serial Port (Barnes) */ 335 #endif 336 #ifndef TELOPT_COMPORT 337 #define TELOPT_COMPORT 44 /* Com Port Control (RFC 2217) */ 338 #endif 339 #ifndef TELOPT_SLE 340 #define TELOPT_SLE 45 /* Suppress Local Echo (Atmar) - [rejected] */ 341 #endif 342 #ifndef TELOPT_START_TLS 343 #define TELOPT_START_TLS 46 /* Telnet over Transport Layer Security */ 344 #endif /* (Boe) */ 345 #ifndef TELOPT_KERMIT 346 #define TELOPT_KERMIT 47 /* Kermit (RFC 2840) */ 347 #endif 348 #ifndef TELOPT_SEND_URL 349 #define TELOPT_SEND_URL 48 /* Send URL */ 350 #endif 351 352 #ifndef TELOPT_FORWARD_X 353 #define TELOPT_FORWARD_X 49 /* X Windows Forwarding (Altman) */ 354 #endif /* TELOPT_FORWARD_X */ 355 356 #ifndef TELOPT_STDERR 357 #define TELOPT_STDERR 50 /* Redirected Stderr (Altman) */ 358 #endif /* TELOPT_STDERR */ 359 360 #ifndef TELOPT_PRAGMA_LOGON 361 #define TELOPT_PRAGMA_LOGON 138 /* Encrypted Logon option (PragmaSys) */ 362 #endif 363 #ifndef TELOPT_SSPI_LOGON 364 #define TELOPT_SSPI_LOGON 139 /* MS SSPI Logon option (PragmaSys) */ 365 #endif 366 #ifndef TELOPT_PRAGMA_HEARTBEAT 367 /* Server Send Heartbeat option (PragmaSys) */ 368 #define TELOPT_PRAGMA_HEARTBEAT 140 369 #endif 370 371 #define TELOPT_IBM_SAK 200 /* IBM Secure Attention Key */ 372 373 /* 374 IBM Secure Attention Key (SAK) Option 375 376 In addition to terminal negotiation, the telnet command allows 377 negotiation for the Secure Attention Key (SAK) 378 option. This option, when supported, provides the local user with 379 a secure communication path to the remote 380 host for tasks such as changing user IDs or passwords. If the remote 381 host supports the SAK function, a trusted 382 shell is opened on the remote host when the telnet send sak 383 subcommand is issued. The SAK function can 384 also be assigned to a single key available in telnet input mode, 385 using the set sak subcommand. 386 387 TN_SAK 388 389 Sends the TELNET SAK (Secure Attention Key) sequence, which causes 390 the remote system to invoke the trusted shell. If the SAK is not 391 supported, then an error message is displayed that reads: 392 Remote side does not support SAK. 393 */ 394 395 #ifndef TELOPT_EXOPL 396 #define TELOPT_EXOPL 255 /* Extended-options-list (RFC 861) */ 397 #endif 398 399 #ifdef NTELOPTS 400 #undef NTELOPTS 401 #endif /* NTELOPTS */ 402 /* The Telnet Option space is no longer being allocated by ICANN as a */ 403 /* continuous list. In other words it is becoming sparse. But we do */ 404 /* not want to have to allocate memory for a long list of strings and */ 405 /* structs which will never be used. Therefore, the NTELOPTS define */ 406 /* can no longer be equal to TELOPT_LAST+1. In fact, the notion of */ 407 /* TELOPT_FIRST and TELOPT_LAST no longer make sense. */ 408 #define NTELOPTS 55 409 410 #define TELOPT_FIRST TELOPT_BINARY 411 #define TELOPT_LAST TELOPT_IBM_SAK 412 413 /* 414 The following macros speed us up at runtime but are too complex 415 for some preprocessors / compilers; if your compiler bombs on ckctel.c 416 with "Instruction table overflow" or somesuch, rebuild with -DNOTOMACROS. 417 */ 418 #ifndef NOTOMACROS 419 #ifndef TELOPT_MACRO 420 #define TELOPT_MACRO 421 #endif /* TELOPT_MACRO */ 422 #endif /* NOTOMACROS */ 423 424 #ifdef TELOPT_MACRO 425 #define TELOPT_INDEX(x) (((x)>=0 && (x)<= TELOPT_STDERR)?(x):\ 426 ((x)>=TELOPT_PRAGMA_LOGON && (x)<=TELOPT_PRAGMA_HEARTBEAT)?(x)-87: \ 427 ((x) == TELOPT_IBM_SAK)?(x)-146: NTELOPTS) 428 429 #define TELOPT_OK(x) (((x) >= TELOPT_BINARY && (x) <= TELOPT_STDERR) ||\ 430 ((x) >= TELOPT_PRAGMA_LOGON && (x) <= TELOPT_PRAGMA_HEARTBEAT) ||\ 431 ((x) == TELOPT_IBM_SAK)) 432 #define TELOPT(x) (TELOPT_OK(x)?telopts[TELOPT_INDEX(x)]:"UNKNOWN") 433 #else /* TELOPT_MACRO */ 434 _PROTOTYP(int telopt_index,(int)); 435 _PROTOTYP(int telopt_ok,(int)); 436 _PROTOTYP(CHAR * telopt, (int)); 437 438 #define TELOPT_INDEX(x) telopt_index(x) 439 #define TELOPT_OK(x) telopt_ok(x) 440 #define TELOPT(x) telopt(x) 441 #endif /* TELOPT_MACRO */ 442 443 #ifdef TELOPTS 444 char *telopts[NTELOPTS+2] = { 445 /* 0 */ "BINARY", "ECHO", "RCP", "SUPPRESS-GO-AHEAD", 446 /* 4 */ "NAME", "STATUS", "TIMING-MARK", "RCTE", 447 /* 8 */ "NAOL", "NAOP", "NAOCRD", "NAOHTS", 448 /* 12 */ "NAOHTD", "NAOFFD", "NAOVTS", "NAOVTD", 449 /* 16 */ "NAOLFD", "EXTEND-ASCII", "LOGOUT", "BYTE-MACRO", 450 /* 20 */ "DATA-ENTRY-TERMINAL", "SUPDUP", "SUPDUP-OUTPUT", "SEND-LOCATION", 451 /* 24 */ "TERMINAL-TYPE", "END-OF-RECORD", "TACACS-UID", "OUTPUT-MARKING", 452 /* 28 */ "TTYLOC", "3270-REGIME", "X.3-PAD", "NAWS", 453 /* 32 */ "TSPEED", "LFLOW", "LINEMODE", "XDISPLOC", 454 /* 36 */ "OLD-ENVIRON", "AUTHENTICATION", "ENCRYPTION", "NEW-ENVIRONMENT", 455 /* 40 */ "TN3270E","xauth","CHARSET", "remote-serial-port", 456 /* 44 */ "COM-PORT-CONTROL","suppress-local-echo","START-TLS","KERMIT", 457 /* 48 */ "send-url","FORWARD-X","stderr", 458 /* 138 */ "pragma-logon", "sspi-logon", "pragma-heartbeat", 459 /* 200 */ "ibm-sak", 460 "unknown", 461 0 462 }; 463 #else /*TELOPTS */ 464 extern char * telopts[]; 465 #endif /* TELOPTS */ 466 467 /* TELNET Newline Mode */ 468 469 #define TNL_CR 0 /* CR sends bare carriage return */ 470 #define TNL_CRNUL 1 /* CR and NUL */ 471 #define TNL_CRLF 2 /* CR and LF */ 472 #define TNL_LF 3 /* LF instead of CR */ 473 474 /* TELNET Negotiation Mode */ 475 476 #define TN_NG_RF 0 /* Negotiation REFUSED */ 477 #define TN_NG_AC 1 /* Negotiation ACCEPTED */ 478 #define TN_NG_RQ 2 /* Negotiation REQUESTED */ 479 #define TN_NG_MU 3 /* Negotiation REQUIRED (must) */ 480 481 482 /* Systems where we know we can define TELNET NAWS automatically. */ 483 484 #ifndef CK_NAWS /* In other words, if both */ 485 #ifdef CK_TTGWSIZ /* TNCODE and TTGWSIZ are defined */ 486 #define CK_NAWS /* then we can do NAWS. */ 487 #endif /* CK_TTGWSIZ */ 488 #endif /* CK_NAWS */ 489 490 #ifdef CK_FORWARD_X 491 #ifndef MAXFWDX 492 #define MAXFWDX 64 /* Num of X windows to be fwd'd */ 493 #endif /* MAXFWDX */ 494 #endif /* CK_FORWARD_X */ 495 496 /* Telnet State structures and definitions */ 497 struct _telopt_state { 498 unsigned char def_server_me_mode; /* Default Negotiation Mode */ 499 unsigned char def_server_u_mode; /* Default Negotiation Mode */ 500 unsigned char def_client_me_mode; /* Default Negotiation Mode */ 501 unsigned char def_client_u_mode; /* Default Negotiation Mode */ 502 unsigned char me_mode; /* Telnet Negotiation Mode */ 503 unsigned char u_mode; /* Telnet Negotiation Mode */ 504 unsigned char me; /* Am I ? */ 505 unsigned char u; /* Are you? */ 506 unsigned char unanswered_will; /* Sent Will, Waiting for DO/DONT */ 507 unsigned char unanswered_do; /* Send DO, Waiting for WILL/WONT */ 508 unsigned char unanswered_wont; /* Sent WONT, Waiting for DONT */ 509 unsigned char unanswered_dont; /* Sent DONT, Waiting for WONT */ 510 unsigned char unanswered_sb; /* Sent SB, Waiting for SB (server) */ 511 union { 512 #ifdef IKS_OPTION 513 struct _telopt_kermit { /* Kermit Option States */ 514 unsigned char me_start; /* I have a Server active */ 515 unsigned char me_req_start; /* Sent Req-Start, Waiting for response */ 516 unsigned char me_req_stop; /* Sent Req-Stop, Waiting for response */ 517 unsigned char u_start; /* You have a Server active */ 518 unsigned char sop; /* Have we received the SOP char? */ 519 } kermit; 520 #endif /* IKS_OPTION */ 521 #ifdef CK_ENCRYPTION 522 struct _telopt_encrypt { /* Encryption Option States */ 523 unsigned char need_to_send; 524 unsigned char stop; /* Is encryption stopped? */ 525 } encrypt; 526 #endif /* CK_ENCRYPTION */ 527 #ifdef CK_NAWS 528 struct _telopt_naws { /* NAWS Option Information */ 529 unsigned char need_to_send; 530 int x; /* Last Width */ 531 int y; /* Last Height */ 532 } naws; 533 #endif /* CK_NAWS */ 534 #ifdef CK_SSL 535 struct _telopt_start_tls { /* Start TLS Option */ 536 unsigned char u_follows; /* u ready for TLS negotiation */ 537 unsigned char me_follows; /* me ready for TLS negotiation */ 538 unsigned char auth_request; /* Rcvd WILL AUTH before WONT START_TLS */ 539 } start_tls; 540 #endif /* CK_SSL */ 541 struct _telopt_term { /* Terminal Type */ 542 unsigned char need_to_send; 543 unsigned char type[41]; /* Last terminal type */ 544 } term; 545 #ifdef CK_ENVIRONMENT 546 struct _telopt_new_env { 547 unsigned char need_to_send; 548 unsigned char * str; 549 int len; 550 } env; 551 #ifdef CK_XDISPLOC 552 struct _telopt_xdisp { 553 unsigned char need_to_send; 554 } xdisp; 555 #endif /* CK_XDISPLOC */ 556 #endif /* CK_ENVIRONMENT */ 557 #ifdef CK_SNDLOC 558 struct _telopt_sndloc { 559 unsigned char need_to_send; 560 } sndloc; 561 #endif /* CK_SNDLOC */ 562 #ifdef CK_FORWARD_X 563 struct _telopt_fwd_x { 564 unsigned char need_to_send; 565 int listen_socket; 566 struct _channel { 567 int fd; 568 int id; 569 unsigned char need_to_send_xauth; 570 unsigned char suspend; 571 } channel[MAXFWDX]; 572 #ifdef NT 573 int thread_started; 574 #endif /* NT */ 575 } forward_x; 576 #endif /* CK_FORWARD_X */ 577 #ifdef TN_COMPORT 578 struct _telopt_comport { 579 unsigned char need_to_send; 580 unsigned char wait_for_sb; 581 unsigned char wait_for_ms; 582 } comport; 583 #endif /* TN_COMPORT */ 584 /* additional options such as New Environment or Send Location */ 585 } sb; 586 }; 587 typedef struct _telopt_state telopt_state, *p_telopt_state; 588 589 /* telopt_states[] is the array of structs which the state of each telnet */ 590 /* option is stored. We allocate one more than we need in case we are */ 591 /* sent telnet options that we do not recognize. If by some chance the */ 592 /* TELOPT_OK() check is skipped, TELOPT_INDEX() will force the option to */ 593 /* use the extra cell. */ 594 595 #ifdef TELOPT_STATES 596 telopt_state telopt_states[NTELOPTS+1]; 597 #else /* TELOPT_STATES */ 598 extern telopt_state telopt_states[]; 599 #endif /* TELOPT_STATES */ 600 601 #define TELOPT_ME(x) (telopt_states[TELOPT_INDEX(x)].me) 602 #define TELOPT_U(x) (telopt_states[TELOPT_INDEX(x)].u) 603 #define TELOPT_ME_MODE(x) \ 604 (telopt_states[TELOPT_INDEX(x)].me_mode) 605 #define TELOPT_U_MODE(x) \ 606 (telopt_states[TELOPT_INDEX(x)].u_mode) 607 #define TELOPT_UNANSWERED_WILL(x) \ 608 (telopt_states[TELOPT_INDEX(x)].unanswered_will) 609 #define TELOPT_UNANSWERED_DO(x) \ 610 (telopt_states[TELOPT_INDEX(x)].unanswered_do) 611 #define TELOPT_UNANSWERED_WONT(x) \ 612 (telopt_states[TELOPT_INDEX(x)].unanswered_wont) 613 #define TELOPT_UNANSWERED_DONT(x) \ 614 (telopt_states[TELOPT_INDEX(x)].unanswered_dont) 615 #define TELOPT_UNANSWERED_SB(x) \ 616 (telopt_states[TELOPT_INDEX(x)].unanswered_sb) 617 #define TELOPT_SB(x) \ 618 (telopt_states[TELOPT_INDEX(x)].sb) 619 #define TELOPT_DEF_S_ME_MODE(x) \ 620 (telopt_states[TELOPT_INDEX(x)].def_server_me_mode) 621 #define TELOPT_DEF_S_U_MODE(x) \ 622 (telopt_states[TELOPT_INDEX(x)].def_server_u_mode) 623 #define TELOPT_DEF_C_ME_MODE(x) \ 624 (telopt_states[TELOPT_INDEX(x)].def_client_me_mode) 625 #define TELOPT_DEF_C_U_MODE(x) \ 626 (telopt_states[TELOPT_INDEX(x)].def_client_u_mode) 627 628 #ifdef TELOPT_MODES 629 char * telopt_modes[4] = { 630 "REFUSED", "ACCEPTED", "REQUESTED", "REQUIRED" 631 }; 632 #else /* TELOPT_MODES */ 633 extern char * telopt_modes[]; 634 #endif /* TELOPT_MODES */ 635 636 #ifdef TELOPT_MACRO 637 #define TELOPT_MODE_OK(x) ((unsigned int)(x) <= TN_NG_MU) 638 #define TELOPT_MODE(x) (TELOPT_MODE_OK(x)?telopt_modes[(x)-TN_NG_RF]:"UNKNOWN") 639 #else /* TELOPT_MACRO */ 640 _PROTOTYP(int telopt_mode_ok,(int)); 641 _PROTOTYP(CHAR * telopt_mode,(int)); 642 643 #define TELOPT_MODE_OK(x) telopt_mode_ok(x) 644 #define TELOPT_MODE(x) telopt_mode(x) 645 #endif /* TELOPT_MACRO */ 646 647 /* Sub-option qualifiers */ 648 #define TELQUAL_IS 0 /* option is... */ 649 #define TELQUAL_SEND 1 /* send option */ 650 #define TELQUAL_INFO 2 /* ENVIRON: informational version of IS */ 651 #define TELQUAL_REPLY 2 /* AUTHENTICATION: client version of IS */ 652 #define TELQUAL_NAME 3 /* AUTHENTICATION: client version of IS */ 653 654 #define TEL_ENV_VAR 0 655 #define TEL_ENV_VALUE 1 656 #define TEL_ENV_ESC 2 657 #define TEL_ENV_USERVAR 3 658 659 #define LFLOW_OFF 0 /* Disable remote flow control */ 660 #define LFLOW_ON 1 /* Enable remote flow control */ 661 #define LFLOW_RESTART_ANY 2 /* Restart output on any char */ 662 #define LFLOW_RESTART_XON 3 /* Restart output only on XON */ 663 664 /* 665 * LINEMODE suboptions 666 */ 667 668 #define LM_MODE 1 669 #define LM_FORWARDMASK 2 670 #define LM_SLC 3 671 672 #define MODE_EDIT 0x01 673 #define MODE_TRAPSIG 0x02 674 #define MODE_ACK 0x04 675 #define MODE_SOFT_TAB 0x08 676 #define MODE_LIT_ECHO 0x10 677 678 #define MODE_MASK 0x1f 679 680 /* Not part of protocol, but needed to simplify things... */ 681 #define MODE_FLOW 0x0100 682 #define MODE_ECHO 0x0200 683 #define MODE_INBIN 0x0400 684 #define MODE_OUTBIN 0x0800 685 #define MODE_FORCE 0x1000 686 687 #define SLC_SYNCH 1 688 #define SLC_BRK 2 689 #define SLC_IP 3 690 #define SLC_AO 4 691 #define SLC_AYT 5 692 #define SLC_EOR 6 693 #define SLC_ABORT 7 694 #define SLC_EOF 8 695 #define SLC_SUSP 9 696 #define SLC_EC 10 697 #define SLC_EL 11 698 #define SLC_EW 12 699 #define SLC_RP 13 700 #define SLC_LNEXT 14 701 #define SLC_XON 15 702 #define SLC_XOFF 16 703 #define SLC_FORW1 17 704 #define SLC_FORW2 18 705 #define SLC_MCL 19 706 #define SLC_MCR 20 707 #define SLC_MCWL 21 708 #define SLC_MCWR 22 709 #define SLC_MCBOL 23 710 #define SLC_MCEOL 24 711 #define SLC_INSRT 25 712 #define SLC_OVER 26 713 #define SLC_ECR 27 714 #define SLC_EWR 28 715 #define SLC_EBOL 29 716 #define SLC_EEOL 30 717 718 #define NSLC 30 719 720 /* 721 * For backwards compatability, we define SLC_NAMES to be the 722 * list of names if SLC_NAMES is not defined. 723 */ 724 #define SLC_NAMELIST "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \ 725 "ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \ 726 "LNEXT", "XON", "XOFF", "FORW1", "FORW2", \ 727 "MCL", "MCR", "MCWL", "MCWR", "MCBOL", "MCEOL", \ 728 "INSRT", "OVER", "ECR", "EWR", "EBOL", "EEOL", 0 729 #ifdef SLC_NAMES 730 char *slc_names[] = { 731 SLC_NAMELIST 732 }; 733 #else 734 extern char *slc_names[]; 735 #define SLC_NAMES SLC_NAMELIST 736 #endif 737 738 #define SLC_NAME_OK(x) ((unsigned int)(x) <= NSLC) 739 #define SLC_NAME(x) (SLC_NAME_OK(x)?slc_names[x]:"UNKNOWN") 740 741 #define SLC_NOSUPPORT 0 742 #define SLC_CANTCHANGE 1 743 #define SLC_VARIABLE 2 744 #define SLC_DEFAULT 3 745 #define SLC_LEVELBITS 0x03 746 747 #define SLC_FUNC 0 748 #define SLC_FLAGS 1 749 #define SLC_VALUE 2 750 751 #define SLC_ACK 0x80 752 #define SLC_FLUSHIN 0x40 753 #define SLC_FLUSHOUT 0x20 754 755 #define OLD_ENV_VAR 1 756 #define OLD_ENV_VALUE 0 757 #define NEW_ENV_VAR 0 758 #define NEW_ENV_VALUE 1 759 #define ENV_ESC 2 760 #define ENV_USERVAR 3 761 762 #define FWDX_SCREEN 0 763 #define FWDX_OPEN 1 764 #define FWDX_CLOSE 2 765 #define FWDX_DATA 3 766 #define FWDX_OPTIONS 4 767 #define FWDX_OPT_DATA 5 768 #define FWDX_XOFF 6 769 #define FWDX_XON 7 770 771 #define FWDX_OPT_NONE 0 772 #define FWDX_OPT_XAUTH 1 773 774 /* 775 * AUTHENTICATION suboptions 776 */ 777 778 /* 779 * Who is authenticating who ... 780 */ 781 #define AUTH_CLIENT_TO_SERVER 0 /* Client authenticating server */ 782 #define AUTH_SERVER_TO_CLIENT 1 /* Server authenticating client */ 783 #define AUTH_WHO_MASK 1 784 785 /* 786 * amount of authentication done 787 */ 788 #define AUTH_HOW_ONE_WAY 0 789 #define AUTH_HOW_MUTUAL 2 790 #define AUTH_HOW_MASK 2 791 792 /* 793 * should we be encrypting? 794 */ 795 #define AUTH_ENCRYPT_OFF 0 796 #define AUTH_ENCRYPT_USING_TELOPT 4 797 #define AUTH_ENCRYPT_AFTER_EXCHANGE 16 798 #define AUTH_ENCRYPT_START_TLS 20 799 #define AUTH_ENCRYPT_MASK 20 800 801 /* 802 * will we be forwarding? 803 * if we want to activate the use of this flag then 804 * #define USE_INI_CRED_FWD 805 */ 806 #define INI_CRED_FWD_OFF 0 807 #define INI_CRED_FWD_ON 8 808 #define INI_CRED_FWD_MASK 8 809 #define USE_INI_CRED_FWD 810 811 #define AUTHTYPE_NULL 0 812 #define AUTHTYPE_KERBEROS_V4 1 813 #define AUTHTYPE_KERBEROS_V5 2 814 #define AUTHTYPE_SPX 3 815 #define AUTHTYPE_MINK 4 816 #define AUTHTYPE_SRP 5 817 #define AUTHTYPE_RSA 6 818 #define AUTHTYPE_SSL 7 819 #define AUTHTYPE_LOKI 10 820 #define AUTHTYPE_SSA 11 821 #define AUTHTYPE_KEA_SJ 12 822 #define AUTHTYPE_KEA_INTEG 13 823 #define AUTHTYPE_DSS 14 824 #define AUTHTYPE_NTLM 15 825 #define AUTHTYPE_GSSAPI_KRB5 16 /* Not allocated by IANA */ 826 #ifdef AUTHTYPE_CNT 827 #undef AUTHTYPE_CNT 828 #endif /* AUTHTYPE_CNT */ 829 #define AUTHTYPE_CNT 17 830 831 /* 832 * AUTHTYPEs Last updated 21 March 1999 833 * from http://www.isi.edu/in-notes/iana/assignments/telnet-options 834 */ 835 836 #define AUTHTYPE_AUTO 99 837 838 #ifdef AUTH_NAMES 839 char *authtype_names[] = { 840 "NULL", /* RFC 2941 */ 841 "KERBEROS_V4", /* RFC 2941 / 1411 */ 842 "KERBEROS_V5", /* RFC 2941 */ 843 "SPX", /* RFC 2941 (not Internet Standard) */ 844 "MINK", /* RFC 2941 (not Internet Standard) */ 845 "SRP", /* RFC 2944 */ 846 "RSA", /* RFC 2941 (not Internet Standard) */ 847 "SSL", /* RFC 2941 (not Internet Standard) */ 848 "IANA_8", /* not assigned by IANA */ 849 "IANA_9", /* not assigned by IANA */ 850 "LOKI", /* RFC 2941 (not Internet Standard) */ 851 "SSA", /* Schoch */ 852 "KEA_SJ", /* RFC 2951 */ 853 "KEA_SJ_INTEG", /* RFC 2951 */ 854 "DSS", /* RFC 2943 */ 855 "NTLM", /* Kahn <louisk@microsoft.com> */ 856 "GSSAPI-KRB5", /* experimental - altman */ 857 0 858 }; 859 char * authmode_names[] = { 860 "CLIENT_TO_SERVER|ONE_WAY", 861 "SERVER_TO_CLIENT|ONE_WAY", 862 "CLIENT_TO_SERVER|MUTUAL", 863 "SERVER_TO_CLIENT|MUTUAL", 864 "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_USING_TELOPT", 865 "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_USING_TELOPT", 866 "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_USING_TELOPT", 867 "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_USING_TELOPT", 868 "CLIENT_TO_SERVER|ONE_WAY|CRED_FWD", 869 "SERVER_TO_CLIENT|ONE_WAY|CRED_FWD", 870 "CLIENT_TO_SERVER|MUTUAL|CRED_FWD", 871 "SERVER_TO_CLIENT|MUTUAL|CRED_FWD", 872 "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_USING_TELOPT|CRED_FWD", 873 "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_USING_TELOPT|CRED_FWD", 874 "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_USING_TELOPT|CRED_FWD", 875 "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_USING_TELOPT|CRED_FWD", 876 "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_AFTER_EXCHANGE", 877 "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_AFTER_EXCHANGE", 878 "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_AFTER_EXCHANGE", 879 "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_AFTER_EXCHANGE", 880 "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_START_TLS", 881 "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_START_TLS", 882 "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_START_TLS", 883 "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_START_TLS", 884 "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_AFTER_EXCHANGE|CRED_FWD", 885 "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_AFTER_EXCHANGE|CRED_FWD", 886 "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_AFTER_EXCHANGE|CRED_FWD", 887 "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_AFTER_EXCHANGE|CRED_FWD", 888 "CLIENT_TO_SERVER|ONE_WAY|ENCRYPT_START_TLS|CRED_FWD", 889 "SERVER_TO_CLIENT|ONE_WAY|ENCRYPT_START_TLS|CRED_FWD", 890 "CLIENT_TO_SERVER|MUTUAL|ENCRYPT_START_TLS|CRED_FWD", 891 "SERVER_TO_CLIENT|MUTUAL|ENCRYPT_START_TLS|CRED_FWD", 892 0 893 }; 894 #else 895 extern char *authtype_names[]; 896 extern char *authmode_names[]; 897 #endif 898 #define AUTHMODE_CNT 32 899 900 #define AUTHTYPE_NAME_OK(x) ((unsigned int)(x) < AUTHTYPE_CNT) 901 #define AUTHTYPE_NAME(x) (AUTHTYPE_NAME_OK(x)?authtype_names[x]:"UNKNOWN") 902 903 #define AUTHMODE_NAME_OK(x) ((unsigned int)(x) < AUTHMODE_CNT) 904 #define AUTHMODE_NAME(x) (AUTHMODE_NAME_OK(x)?authmode_names[x]:"UNKNOWN") 905 906 /* Kerberos Authentication Message Identifiers */ 907 #define KRB_AUTH 0 /* Authentication data follows */ 908 #define KRB_REJECT 1 /* Rejected (reason might follow) */ 909 #define KRB_ACCEPT 2 /* Accepted */ 910 #define KRB4_CHALLENGE 3 911 #define KRB4_RESPONSE 4 912 #define KRB5_RESPONSE 3 /* Response for mutual auth. */ 913 #define KRB5_FORWARD 4 /* Forwarded credentials follow */ 914 #define KRB5_FORWARD_ACCEPT 5 /* Forwarded credentials accepted */ 915 #define KRB5_FORWARD_REJECT 6 /* Forwarded credentials rejected */ 916 #define KRB5_TLS_VERIFY 7 /* TLS Finished Msg verifier */ 917 918 /* GSSAPI-KRB5 Authentication Message Identifiers */ 919 #define GSS_AUTH_DATA 0 /* Authentication data follows */ 920 #define GSS_REJECT 1 /* Rejected (reason might follow) */ 921 #define GSS_ACCEPT 2 /* Accepted (username might follow) */ 922 #define GSS_CONTINUE 3 923 924 /* Secure Remote Password Authentication Message Identifiers */ 925 #define SRP_AUTH 0 /* Authentication data follows */ 926 #define SRP_REJECT 1 /* Rejected (reason might follow) */ 927 #define SRP_ACCEPT 2 /* Accepted */ 928 #define SRP_CHALLENGE 3 929 #define SRP_RESPONSE 4 930 #define SRP_EXP 8 /* */ 931 #define SRP_PARAMS 9 /* */ 932 933 /* Telnet Auth using KEA and SKIPJACK */ 934 935 #define KEA_CERTA_RA 1 936 #define KEA_CERTB_RB_IVB_NONCEB 2 937 #define KEA_IVA_RESPONSEB_NONCEA 3 938 #define KEA_RESPONSEA 4 939 940 /* Tim Hudson's SSL Authentication Message Identifiers */ 941 #define SSL_START 1 942 #define SSL_ACCEPT 2 943 #define SSL_REJECT 3 944 945 /* Microsoft NTLM Authentication Message Identifiers */ 946 #define NTLM_AUTH 0 947 #define NTLM_CHALLENGE 1 948 #define NTLM_RESPONSE 2 949 #define NTLM_ACCEPT 3 950 #define NTLM_REJECT 4 951 952 /* Generic Constants */ 953 #define AUTH_SUCCESS 0 954 #define AUTH_FAILURE 255 955 956 /* 957 * ENCRYPTion suboptions 958 */ 959 #define ENCRYPT_IS 0 /* I pick encryption type ... */ 960 #define ENCRYPT_SUPPORT 1 /* I support encryption types ... */ 961 #define ENCRYPT_REPLY 2 /* Initial setup response */ 962 #define ENCRYPT_START 3 /* Am starting to send encrypted */ 963 #define ENCRYPT_END 4 /* Am ending encrypted */ 964 #define ENCRYPT_REQSTART 5 /* Request you start encrypting */ 965 #define ENCRYPT_REQEND 6 /* Request you send encrypting */ 966 #define ENCRYPT_ENC_KEYID 7 967 #define ENCRYPT_DEC_KEYID 8 968 #define ENCRYPT_CNT 9 969 970 #define ENCTYPE_ANY 0 971 #define ENCTYPE_DES_CFB64 1 972 #define ENCTYPE_DES_OFB64 2 973 #define ENCTYPE_DES3_CFB64 3 974 #define ENCTYPE_DES3_OFB64 4 975 #define ENCTYPE_CAST5_40_CFB64 8 976 #define ENCTYPE_CAST5_40_OFB64 9 977 #define ENCTYPE_CAST128_CFB64 10 978 #define ENCTYPE_CAST128_OFB64 11 979 #ifdef ENCTYPE_CNT 980 #undef ENCTYPE_CNT 981 #endif 982 #define ENCTYPE_CNT 12 983 984 #ifdef ENCRYPT_NAMES 985 char *encrypt_names[] = { 986 "IS", "SUPPORT", "REPLY", "START", "END", 987 "REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID", 988 0 989 }; 990 char *enctype_names[] = { 991 "ANY", 992 "DES_CFB64", /* RFC 2952 */ 993 "DES_OFB64", /* RFC 2953 */ 994 "DES3_CFB64", /* RFC 2947 */ 995 "DES3_OFB64", /* RFC 2948 */ 996 "UNKNOWN-5", 997 "UNKNOWN-6", 998 "UNKNOWN-7", 999 "CAST5_40_CFB64", /* RFC 2950 */ 1000 "CAST5_40_OFB64", /* RFC 2949 */ 1001 "CAST128_CFB64", /* RFC 2950*/ 1002 "CAST128_OFB64", /* RFC 2949 */ 1003 0 1004 }; 1005 #else 1006 extern char *encrypt_names[]; 1007 extern char *enctype_names[]; 1008 #endif 1009 1010 #define ENCRYPT_NAME_OK(x) ((unsigned int)(x) < ENCRYPT_CNT) 1011 #define ENCRYPT_NAME(x) (ENCRYPT_NAME_OK(x)?encrypt_names[x]:"UNKNOWN") 1012 1013 #define ENCTYPE_NAME_OK(x) ((unsigned int)(x) < ENCTYPE_CNT) 1014 #define ENCTYPE_NAME(x) (ENCTYPE_NAME_OK(x)?enctype_names[x]:"UNKNOWN") 1015 1016 /* For setting the state of validUser */ 1017 1018 #define AUTH_REJECT 0 /* Rejected */ 1019 #define AUTH_UNKNOWN 1 /* We don't know who he is, but he's okay */ 1020 #define AUTH_OTHER 2 /* We know him, but not his name */ 1021 #define AUTH_USER 3 /* We know he name */ 1022 #define AUTH_VALID 4 /* We know him, and he needs no password */ 1023 1024 /* Kermit Option Subnegotiations */ 1025 1026 #define KERMIT_START 0 1027 #define KERMIT_STOP 1 1028 #define KERMIT_REQ_START 2 1029 #define KERMIT_REQ_STOP 3 1030 #define KERMIT_SOP 4 1031 #define KERMIT_RESP_START 8 1032 #define KERMIT_RESP_STOP 9 1033 1034 /* For SET TELNET AUTH HOW */ 1035 #define TN_AUTH_HOW_ANY 0 1036 #define TN_AUTH_HOW_ONE_WAY 1 1037 #define TN_AUTH_HOW_MUTUAL 2 1038 1039 /* For SET TELNET AUTH ENCRYPT */ 1040 #define TN_AUTH_ENC_ANY 0 1041 #define TN_AUTH_ENC_NONE 1 1042 #define TN_AUTH_ENC_TELOPT 2 1043 #define TN_AUTH_ENC_EXCH 3 /* not used in Kermit */ 1044 #define TN_AUTH_ENC_TLS 4 1045 1046 /* Telnet protocol functions defined in C-Kermit */ 1047 1048 _PROTOTYP( int tn_ini, (void) ); /* Telnet protocol support */ 1049 _PROTOTYP( int tn_reset, (void)); 1050 _PROTOTYP( int tn_set_modes, (void)); 1051 _PROTOTYP( int tn_sopt, (int, int) ); 1052 _PROTOTYP( int tn_doop, (CHAR, int, int (*)(int) ) ); 1053 _PROTOTYP( int tn_sttyp, (void) ); 1054 _PROTOTYP( int tn_snenv, (CHAR *, int) ) ; 1055 _PROTOTYP( int tn_rnenv, (CHAR *, int) ) ; 1056 _PROTOTYP( int tn_wait, (char *) ) ; 1057 _PROTOTYP( int tn_push, (void) ) ; 1058 _PROTOTYP( int tnsndbrk, (void) ); 1059 _PROTOTYP( VOID tn_debug, (char *)); 1060 _PROTOTYP( int tn_hex, (CHAR *, int, CHAR *, int)); 1061 _PROTOTYP( unsigned char * tn_get_display, (void)); 1062 #ifdef IKS_OPTION 1063 _PROTOTYP( int tn_siks, (int) ); 1064 _PROTOTYP( int iks_wait, (int, int) ); 1065 #endif /* IKS_OPTION */ 1066 #ifdef CK_NAWS 1067 _PROTOTYP( int tn_snaws, (void) ); 1068 #endif /* CK_NAWS */ 1069 #ifdef CK_XDISPLOC 1070 _PROTOTYP( int tn_sxdisploc, (void) ); 1071 #endif /* CK_XDISPLOC */ 1072 #ifdef CK_SNDLOC 1073 _PROTOTYP( int tn_sndloc, (void) ); 1074 #endif /* CK_SNDLOC */ 1075 #ifdef CK_FORWARD_X 1076 /* From Xauth.h */ 1077 typedef struct xauth { 1078 unsigned short family; 1079 unsigned short address_length; 1080 char *address; 1081 unsigned short number_length; 1082 char *number; 1083 unsigned short name_length; 1084 char *name; 1085 unsigned short data_length; 1086 char *data; 1087 } Xauth; 1088 1089 #include <stdio.h> 1090 1091 /* from X.h */ 1092 #define FamilyInternet 0 1093 #define FamilyDECnet 1 1094 #define FamilyChaos 2 1095 1096 # define FamilyLocal (256) /* not part of X standard (i.e. X.h) */ 1097 # define FamilyWild (65535) 1098 # define FamilyNetname (254) /* not part of X standard */ 1099 # define FamilyKrb5Principal (253) /* Kerberos 5 principal name */ 1100 # define FamilyLocalHost (252) /* for local non-net authentication */ 1101 char *XauFileName(); 1102 1103 Xauth *XauReadAuth( 1104 FILE* /* auth_file */ 1105 ); 1106 1107 int XauWriteAuth( 1108 FILE* /* auth_file */, 1109 Xauth* /* auth */ 1110 ); 1111 1112 Xauth *XauGetAuthByName( 1113 const char* /* display_name */ 1114 ); 1115 1116 Xauth *XauGetAuthByAddr( 1117 unsigned int /* family */, 1118 unsigned int /* address_length */, 1119 const char* /* address */, 1120 unsigned int /* number_length */, 1121 const char* /* number */, 1122 unsigned int /* name_length */, 1123 const char* /* name */ 1124 ); 1125 1126 void XauDisposeAuth( 1127 Xauth* /* auth */ 1128 ); 1129 1130 1131 _PROTOTYP( int fwdx_create_listen_socket,(int)); 1132 _PROTOTYP( int fwdx_open_client_channel,(int)); 1133 _PROTOTYP( int fwdx_open_server_channel,(VOID)); 1134 _PROTOTYP( int fwdx_close_channel,(int)); 1135 _PROTOTYP( int fwdx_write_data_to_channel,(int, char *,int)); 1136 _PROTOTYP( int fwdx_send_data_from_channel,(int, char *,int)); 1137 _PROTOTYP( int fwdx_close_all,(VOID)); 1138 _PROTOTYP( int fwdx_tn_sb,(unsigned char *, int)); 1139 _PROTOTYP( int tn_sndfwdx, (void)); 1140 _PROTOTYP( int fwdx_send_close,(int)); 1141 _PROTOTYP( int fwdx_send_open,(int)); 1142 _PROTOTYP( int fwdx_client_reply_options,(char *, int)); 1143 _PROTOTYP( int fwdx_send_options,(VOID)); 1144 _PROTOTYP( VOID fwdx_check_sockets,(fd_set *)); 1145 _PROTOTYP( int fwdx_init_fd_set,(fd_set *)); 1146 _PROTOTYP( int fwdx_authorize_channel, (int, unsigned char *, int)); 1147 _PROTOTYP( int fwdx_create_fake_xauth, (char *, int, int)); 1148 _PROTOTYP( int fwdx_send_xauth_to_xserver, (int, unsigned char *, int len)); 1149 _PROTOTYP( int fwdx_server_avail, (VOID)); 1150 _PROTOTYP( int fwdx_parse_displayname, (char *, int *, char **, int *, int *, char **)); 1151 1152 #ifdef NT 1153 _PROTOTYP( VOID fwdx_thread,(VOID *)); 1154 #endif /* NT */ 1155 #endif /* CK_FORWARD_X */ 1156 1157 #ifdef TN_COMPORT 1158 #define TNC_C2S_SIGNATURE 0 1159 #define TNC_C2S_SET_BAUDRATE 1 1160 #define TNC_C2S_SET_DATASIZE 2 1161 #define TNC_C2S_SET_PARITY 3 1162 #define TNC_C2S_SET_STOPSIZE 4 1163 #define TNC_C2S_SET_CONTROL 5 1164 #define TNC_C2S_NOTIFY_LINESTATE 6 1165 #define TNC_C2S_NOTIFY_MODEMSTATE 7 1166 #define TNC_C2S_FLOW_SUSPEND 8 1167 #define TNC_C2S_FLOW_RESUME 9 1168 #define TNC_C2S_SET_LS_MASK 10 1169 #define TNC_C2S_SET_MS_MASK 11 1170 #define TNC_C2S_PURGE 12 1171 #define TNC_S2C_SIGNATURE 100 1172 #define TNC_S2C_SET_BAUDRATE 101 1173 #define TNC_S2C_SET_DATASIZE 102 1174 #define TNC_S2C_SET_PARITY 103 1175 #define TNC_S2C_SET_STOPSIZE 104 1176 #define TNC_S2C_SET_CONTROL 105 1177 #define TNC_S2C_SEND_LS 106 1178 #define TNC_S2C_SEND_MS 107 1179 #define TNC_S2C_FLOW_SUSPEND 108 1180 #define TNC_S2C_FLOW_RESUME 109 1181 #define TNC_S2C_SET_LS_MASK 110 1182 #define TNC_S2C_SET_MS_MASK 111 1183 #define TNC_S2C_PURGE 112 1184 1185 /* The COMPORT values are not defined in RFC 2217 */ 1186 #define TNC_BPS_REQUEST 0 1187 #define TNC_BPS_300 3 1188 #define TNC_BPS_600 4 1189 #define TNC_BPS_1200 5 1190 #define TNC_BPS_2400 6 1191 #define TNC_BPS_4800 7 1192 #define TNC_BPS_9600 8 1193 #define TNC_BPS_14400 9 1194 #define TNC_BPS_19200 10 1195 #define TNC_BPS_28800 11 1196 #define TNC_BPS_38400 12 1197 #define TNC_BPS_57600 13 1198 #define TNC_BPS_115200 14 1199 #define TNC_BPS_230400 15 1200 #define TNC_BPS_460800 16 1201 1202 #define TNC_DS_REQUEST 0 1203 #define TNC_DS_5 5 1204 #define TNC_DS_6 6 1205 #define TNC_DS_7 7 1206 #define TNC_DS_8 8 1207 1208 #define TNC_PAR_REQUEST 0 1209 #define TNC_PAR_NONE 1 1210 #define TNC_PAR_ODD 2 1211 #define TNC_PAR_EVEN 3 1212 #define TNC_PAR_MARK 4 1213 #define TNC_PAR_SPACE 5 1214 1215 #define TNC_SB_REQUEST 0 1216 #define TNC_SB_1 1 1217 #define TNC_SB_1_5 3 1218 #define TNC_SB_2 2 1219 1220 #define TNC_CTL_OFLOW_REQUEST 0 1221 #define TNC_CTL_OFLOW_NONE 1 1222 #define TNC_CTL_OFLOW_XON_XOFF 2 1223 #define TNC_CTL_OFLOW_RTS_CTS 3 1224 #define TNC_CTL_OFLOW_DCD 17 1225 #define TNC_CTL_OFLOW_DSR 19 1226 1227 #define TNC_CTL_BREAK_REQUEST 4 1228 #define TNC_CTL_BREAK_ON 5 1229 #define TNC_CTL_BREAK_OFF 6 1230 1231 #define TNC_CTL_DTR_REQUEST 7 1232 #define TNC_CTL_DTR_ON 8 1233 #define TNC_CTL_DTR_OFF 9 1234 1235 #define TNC_CTL_RTS_REQUEST 10 1236 #define TNC_CTL_RTS_ON 11 1237 #define TNC_CTL_RTS_OFF 12 1238 1239 #define TNC_CTL_IFLOW_REQUEST 13 1240 #define TNC_CTL_IFLOW_NONE 14 1241 #define TNC_CTL_IFLOW_XON_XOFF 15 1242 #define TNC_CTL_IFLOW_RTS_CTS 16 1243 #define TNC_CTL_IFLOW_DTR 18 1244 1245 #define TNC_MS_DATA_READY 1 1246 #define TNC_MS_OVERRUN_ERROR 2 1247 #define TNC_MS_PARITY_ERROR 4 1248 #define TNC_MS_FRAME_ERROR 8 1249 #define TNC_MS_BREAK_ERROR 16 1250 #define TNC_MS_HR_EMPTY 32 1251 #define TNC_MS_SR_EMPTY 64 1252 #define TNC_MS_TIMEOUT_ERROR 128 1253 1254 #define TNC_MS_CTS_DELTA 1 1255 #define TNC_MS_DSR_DELTA 2 1256 #define TNC_MS_EDGE_RING 4 1257 #define TNC_MS_RLSD_DELTA 8 1258 #define TNC_MS_CTS_SIG 16 1259 #define TNC_MS_DSR_SIG 32 1260 #define TNC_MS_RI_SIG 64 1261 #define TNC_MS_RLSD_SIG 128 1262 1263 #define TNC_PURGE_RECEIVE 1 1264 #define TNC_PURGE_TRANSMIT 2 1265 #define TNC_PURGE_BOTH 3 1266 1267 #ifdef TNC_NAMES 1268 char *tnc_names[] = { 1269 "SIGNATURE", "SET-BAUDRATE", "SET-DATARATE", "SET-PARITY", "SET-STOPSIZE", 1270 "SET-CONTROL", "NOTIFY-LINESTATE", "NOTIFY-MODEMSTATE", 1271 "FLOWCONTROL-SUSPEND", "FLOWCONTROL-RESUME", "SET-LINESTATE-MASK", 1272 "SET-MODEMSTATE-MASK", "PURGE-DATA", 1273 0 1274 }; 1275 #else 1276 extern char *tnc_names[]; 1277 #endif 1278 1279 #define TNC_NAME_OK(x) ((x) >= 0 && (x) <= 12 || (x) >= 100 && (x) <= 112) 1280 #define TNC_NAME(x) \ 1281 (TNC_NAME_OK(x)?tnc_names[(x)>=100?(x)-100:(x)]:"UNKNOWN") 1282 1283 _PROTOTYP(int tnc_init,(void)); 1284 _PROTOTYP(int tnc_wait,(CHAR *, int)); 1285 _PROTOTYP(int tnc_tn_sb,(CHAR *,int)); 1286 _PROTOTYP(CONST char * tnc_get_signature, (void)); 1287 _PROTOTYP(int tnc_send_signature, (char *)); 1288 _PROTOTYP(int tnc_set_baud,(long)); 1289 _PROTOTYP(int tnc_get_baud,(void)); 1290 _PROTOTYP(int tnc_set_datasize,(int)); 1291 _PROTOTYP(int tnc_get_datasize,(void)); 1292 _PROTOTYP(int tnc_set_parity,(int)); 1293 _PROTOTYP(int tnc_get_parity,(void)); 1294 _PROTOTYP(int tnc_set_stopsize,(int)); 1295 _PROTOTYP(int tnc_get_stopsize,(void)); 1296 _PROTOTYP(int tnc_set_oflow,(int)); 1297 _PROTOTYP(int tnc_get_oflow,(void)); 1298 _PROTOTYP(int tnc_set_iflow,(int)); 1299 _PROTOTYP(int tnc_get_iflow,(void)); 1300 _PROTOTYP(int tnc_set_break_state,(int)); 1301 _PROTOTYP(int tnc_get_break_state,(void)); 1302 _PROTOTYP(int tnc_set_dtr_state,(int)); 1303 _PROTOTYP(int tnc_get_dtr_state,(void)); 1304 _PROTOTYP(int tnc_set_rts_state,(int)); 1305 _PROTOTYP(int tnc_get_rts_state,(void)); 1306 _PROTOTYP(int tnc_set_ls_mask,(int)); 1307 _PROTOTYP(int tnc_get_ls_mask,(void)); 1308 _PROTOTYP(int tnc_get_ls,(void)); 1309 _PROTOTYP(int tnc_set_ms_mask,(int)); 1310 _PROTOTYP(int tnc_get_ms_mask,(void)); 1311 _PROTOTYP(int tnc_get_ms,(void)); 1312 _PROTOTYP(int tnc_send_purge_data,(int)); 1313 _PROTOTYP(int tnc_flow_suspended,(void)); 1314 _PROTOTYP(int tnc_suspend_flow,(void)); 1315 _PROTOTYP(int tnc_resume_flow,(void)); 1316 1317 /* The following methods are to be called by ck?tio.c routines */ 1318 _PROTOTYP(int tnsetflow,(int)); 1319 _PROTOTYP(int tnsettings,(int,int)); 1320 _PROTOTYP(int tngmdm,(void)); 1321 _PROTOTYP(int tnsndb,(long)); 1322 _PROTOTYP(int istncomport,(void)); 1323 _PROTOTYP(int tn_sndcomport,(void)); 1324 #endif /* TN_COMPORT */ 1325 1326 #ifndef CKCTEL_C /* These are declared in ckctel.c */ 1327 extern int tn_init; /* Telnet protocol initialized flag */ 1328 extern char *tn_term; /* Terminal type override */ 1329 extern int sstelnet; /* Server side telnet? */ 1330 extern int tn_deb; /* Telnet option debugging flag */ 1331 extern int tn_auth_krb5_des_bug; /* Telnet BUG */ 1332 #endif /* CKCTEL_C */ 1333 1334 #define TN_MSG_LEN 12292 1335 #endif /* TNCODE */ 1336 #endif /* CKCTEL_H */ 1337