Annotation of src/usr.bin/telnet/externs.h, Revision 1.3
1.2 niklas 1: /* $OpenBSD$ */
1.3 ! art 2: /* $KTH: externs.h,v 1.16 1997/11/29 02:28:35 joda Exp $ */
1.2 niklas 3:
1.1 deraadt 4: /*
5: * Copyright (c) 1988, 1990, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
1.3 ! art 36: * @(#)externs.h 8.3 (Berkeley) 5/30/95
1.1 deraadt 37: */
38:
39: #ifndef BSD
40: # define BSD 43
41: #endif
42:
43: #ifndef _POSIX_VDISABLE
44: # ifdef sun
45: # include <sys/param.h> /* pick up VDISABLE definition, mayby */
46: # endif
47: # ifdef VDISABLE
48: # define _POSIX_VDISABLE VDISABLE
49: # else
50: # define _POSIX_VDISABLE ((cc_t)'\377')
51: # endif
52: #endif
53:
54: #define SUBBUFSIZE 256
55:
56: extern int
57: autologin, /* Autologin enabled */
58: skiprc, /* Don't process the ~/.telnetrc file */
59: eight, /* use eight bit mode (binary in and/or out */
1.3 ! art 60: binary,
1.1 deraadt 61: flushout, /* flush output */
62: connected, /* Are we connected to the other side? */
63: globalmode, /* Mode tty should be in */
64: telnetport, /* Are we connected to the telnet port? */
1.3 ! art 65: In3270, /* Are we in 3270 mode? */
1.1 deraadt 66: localflow, /* Flow control handled locally */
67: restartany, /* If flow control, restart output on any character */
68: localchars, /* we recognize interrupt/quit */
1.2 niklas 69: donelclchars, /* the user has set "localchars" */
1.1 deraadt 70: showoptions,
71: net, /* Network file descriptor */
72: tin, /* Terminal input file descriptor */
73: tout, /* Terminal output file descriptor */
74: crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
75: autoflush, /* flush output when interrupting? */
76: autosynch, /* send interrupt characters with SYNCH? */
77: SYNCHing, /* Is the stream in telnet SYNCH mode? */
78: donebinarytoggle, /* the user has put us in binary */
79: dontlecho, /* do we suppress local echoing right now? */
80: crmod,
81: netdata, /* Print out network data flow */
82: prettydump, /* Print "netdata" output in user readable format */
83: termdata, /* Print out terminal data flow */
1.3 ! art 84: debug; /* Debug level */
1.1 deraadt 85:
86: extern cc_t escape; /* Escape to command mode */
87: extern cc_t rlogin; /* Rlogin mode escape character */
88: #ifdef KLUDGELINEMODE
89: extern cc_t echoc; /* Toggle local echoing */
90: #endif
91:
92: extern char
93: *prompt; /* Prompt for command. */
94:
95: extern char
96: doopt[],
97: dont[],
98: will[],
99: wont[],
100: options[], /* All the little options */
101: *hostname; /* Who are we connected to? */
1.3 ! art 102: #if defined(ENCRYPTION)
! 103: extern void (*encrypt_output) (unsigned char *, int);
! 104: extern int (*decrypt_input) (int);
! 105: #endif
1.1 deraadt 106:
107: /*
108: * We keep track of each side of the option negotiation.
109: */
110:
111: #define MY_STATE_WILL 0x01
112: #define MY_WANT_STATE_WILL 0x02
113: #define MY_STATE_DO 0x04
114: #define MY_WANT_STATE_DO 0x08
115:
116: /*
117: * Macros to check the current state of things
118: */
119:
120: #define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
121: #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
122: #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
123: #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
124:
125: #define my_state_is_dont(opt) (!my_state_is_do(opt))
126: #define my_state_is_wont(opt) (!my_state_is_will(opt))
127: #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
128: #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
129:
130: #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
131: #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
132: #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
133: #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
134:
135: #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
136: #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
137: #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
138: #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
139:
140: /*
141: * Make everything symetrical
142: */
143:
144: #define HIS_STATE_WILL MY_STATE_DO
145: #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
146: #define HIS_STATE_DO MY_STATE_WILL
147: #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
148:
149: #define his_state_is_do my_state_is_will
150: #define his_state_is_will my_state_is_do
151: #define his_want_state_is_do my_want_state_is_will
152: #define his_want_state_is_will my_want_state_is_do
153:
154: #define his_state_is_dont my_state_is_wont
155: #define his_state_is_wont my_state_is_dont
156: #define his_want_state_is_dont my_want_state_is_wont
157: #define his_want_state_is_wont my_want_state_is_dont
158:
159: #define set_his_state_do set_my_state_will
160: #define set_his_state_will set_my_state_do
161: #define set_his_want_state_do set_my_want_state_will
162: #define set_his_want_state_will set_my_want_state_do
163:
164: #define set_his_state_dont set_my_state_wont
165: #define set_his_state_wont set_my_state_dont
166: #define set_his_want_state_dont set_my_want_state_wont
167: #define set_his_want_state_wont set_my_want_state_dont
168:
169:
170: extern FILE
171: *NetTrace; /* Where debugging output goes */
172: extern unsigned char
173: NetTraceFile[]; /* Name of file where debugging output goes */
174: extern void
1.3 ! art 175: SetNetTrace (char *); /* Function to change where debugging goes */
1.1 deraadt 176:
177: extern jmp_buf
178: peerdied,
179: toplevel; /* For error conditions. */
180:
1.3 ! art 181: /* authenc.c */
1.1 deraadt 182:
1.3 ! art 183: #if defined(AUTHENTICATION) || defined(ENCRYPTION)
! 184: int net_write(unsigned char *str, int len);
! 185: void net_encrypt(void);
! 186: int telnet_spin(void);
! 187: char *telnet_getenv(char *val);
! 188: char *telnet_gets(char *prompt, char *result, int length, int echo);
! 189: #endif
! 190:
! 191: /* commands.c */
! 192:
! 193: struct env_lst *env_define (unsigned char *, unsigned char *);
! 194: struct env_lst *env_find(unsigned char *var);
! 195: void env_init (void);
! 196: void env_undefine (unsigned char *);
! 197: void env_export (unsigned char *);
! 198: void env_unexport (unsigned char *);
! 199: void env_send (unsigned char *);
! 200: void env_list (void);
! 201: unsigned char * env_default(int init, int welldefined);
! 202: unsigned char * env_getvalue(unsigned char *var);
! 203:
! 204: void set_escape_char(char *s);
! 205: unsigned long sourceroute(char *arg, char **cpp, int *lenp);
! 206:
! 207: #if defined(AUTHENTICATION)
! 208: int auth_enable (char *);
! 209: int auth_disable (char *);
! 210: int auth_status (void);
! 211: #endif
! 212:
! 213: #if defined(ENCRYPTION)
! 214: int EncryptEnable (char *, char *);
! 215: int EncryptDisable (char *, char *);
! 216: int EncryptType (char *, char *);
! 217: int EncryptStart (char *);
! 218: int EncryptStartInput (void);
! 219: int EncryptStartOutput (void);
! 220: int EncryptStop (char *);
! 221: int EncryptStopInput (void);
! 222: int EncryptStopOutput (void);
! 223: int EncryptStatus (void);
! 224: #endif
! 225:
! 226: #ifdef SIGINFO
! 227: void ayt_status(void);
! 228: #endif
! 229: int tn(int argc, char **argv);
! 230: void command(int top, char *tbuf, int cnt);
! 231:
! 232: /* main.c */
! 233:
! 234: void tninit(void);
! 235: void usage(void);
! 236:
! 237: /* network.c */
! 238:
! 239: void init_network(void);
! 240: int stilloob(void);
! 241: void setneturg(void);
! 242: int netflush(void);
! 243:
! 244: /* sys_bsd.c */
! 245:
! 246: void init_sys(void);
! 247: int TerminalWrite(char *buf, int n);
! 248: int TerminalRead(unsigned char *buf, int n);
! 249: int TerminalAutoFlush(void);
! 250: int TerminalSpecialChars(int c);
! 251: void TerminalFlushOutput(void);
! 252: void TerminalSaveState(void);
! 253: void TerminalDefaultChars(void);
! 254: void TerminalNewMode(int f);
! 255: cc_t *tcval(int func);
! 256: void TerminalSpeeds(long *input_speed, long *output_speed);
! 257: int TerminalWindowSize(long *rows, long *cols);
! 258: int NetClose(int fd);
! 259: void NetNonblockingIO(int fd, int onoff);
! 260: int process_rings(int netin, int netout, int netex, int ttyin, int ttyout,
! 261: int poll);
! 262:
! 263: /* telnet.c */
! 264:
! 265: void init_telnet(void);
! 266:
! 267: void tel_leave_binary(int rw);
! 268: void tel_enter_binary(int rw);
! 269: int opt_welldefined(char *ep);
! 270: int telrcv(void);
! 271: int rlogin_susp(void);
! 272: void intp(void);
! 273: void sendbrk(void);
! 274: void sendabort(void);
! 275: void sendsusp(void);
! 276: void sendeof(void);
! 277: void sendayt(void);
! 278:
! 279: void xmitAO(void);
! 280: void xmitEL(void);
! 281: void xmitEC(void);
! 282:
! 283:
! 284: void Dump (char, unsigned char *, int);
! 285: void printoption (char *, int, int);
! 286: void printsub (char, unsigned char *, int);
! 287: void sendnaws (void);
! 288: void setconnmode (int);
! 289: void setcommandmode (void);
! 290: void setneturg (void);
! 291: void sys_telnet_init (void);
! 292: void telnet (char *);
! 293: void tel_enter_binary (int);
! 294: void TerminalFlushOutput (void);
! 295: void TerminalNewMode (int);
! 296: void TerminalRestoreState (void);
! 297: void TerminalSaveState (void);
! 298: void tninit (void);
! 299: void willoption (int);
! 300: void wontoption (int);
! 301:
! 302:
! 303: void send_do (int, int);
! 304: void send_dont (int, int);
! 305: void send_will (int, int);
! 306: void send_wont (int, int);
! 307:
! 308: void lm_will (unsigned char *, int);
! 309: void lm_wont (unsigned char *, int);
! 310: void lm_do (unsigned char *, int);
! 311: void lm_dont (unsigned char *, int);
! 312: void lm_mode (unsigned char *, int, int);
! 313:
! 314: void slc_init (void);
! 315: void slcstate (void);
! 316: void slc_mode_export (void);
! 317: void slc_mode_import (int);
! 318: void slc_import (int);
! 319: void slc_export (void);
! 320: void slc (unsigned char *, int);
! 321: void slc_check (void);
! 322: void slc_start_reply (void);
! 323: void slc_add_reply (unsigned char, unsigned char, cc_t);
! 324: void slc_end_reply (void);
! 325: int slc_update (void);
! 326:
! 327: void env_opt (unsigned char *, int);
! 328: void env_opt_start (void);
! 329: void env_opt_start_info (void);
! 330: void env_opt_add (unsigned char *);
! 331: void env_opt_end (int);
! 332:
! 333: unsigned char *env_default (int, int);
! 334: unsigned char *env_getvalue (unsigned char *);
! 335:
! 336: int get_status (void);
! 337: int dosynch (void);
! 338:
! 339: cc_t *tcval (int);
! 340:
! 341: int quit (void);
! 342:
! 343: /* terminal.c */
! 344:
! 345: void init_terminal(void);
! 346: int ttyflush(int drop);
! 347: int getconnmode(void);
! 348:
! 349: /* utilities.c */
! 350:
! 351: int SetSockOpt(int fd, int level, int option, int yesno);
! 352: void SetNetTrace(char *file);
! 353: void Dump(char direction, unsigned char *buffer, int length);
! 354: void printoption(char *direction, int cmd, int option);
! 355: void optionstatus(void);
! 356: void printsub(char direction, unsigned char *pointer, int length);
! 357: void EmptyTerminal(void);
! 358: void SetForExit(void);
! 359: void Exit(int returnCode);
! 360: void ExitString(char *string, int returnCode);
1.1 deraadt 361:
1.3 ! art 362: extern struct termios new_tc;
1.1 deraadt 363:
364: # define termEofChar new_tc.c_cc[VEOF]
365: # define termEraseChar new_tc.c_cc[VERASE]
366: # define termIntChar new_tc.c_cc[VINTR]
367: # define termKillChar new_tc.c_cc[VKILL]
368: # define termQuitChar new_tc.c_cc[VQUIT]
369:
370: # ifndef VSUSP
371: extern cc_t termSuspChar;
372: # else
373: # define termSuspChar new_tc.c_cc[VSUSP]
374: # endif
375: # if defined(VFLUSHO) && !defined(VDISCARD)
376: # define VDISCARD VFLUSHO
377: # endif
378: # ifndef VDISCARD
379: extern cc_t termFlushChar;
380: # else
381: # define termFlushChar new_tc.c_cc[VDISCARD]
382: # endif
383: # ifndef VWERASE
384: extern cc_t termWerasChar;
385: # else
386: # define termWerasChar new_tc.c_cc[VWERASE]
387: # endif
388: # ifndef VREPRINT
389: extern cc_t termRprntChar;
390: # else
391: # define termRprntChar new_tc.c_cc[VREPRINT]
392: # endif
393: # ifndef VLNEXT
394: extern cc_t termLiteralNextChar;
395: # else
396: # define termLiteralNextChar new_tc.c_cc[VLNEXT]
397: # endif
398: # ifndef VSTART
399: extern cc_t termStartChar;
400: # else
401: # define termStartChar new_tc.c_cc[VSTART]
402: # endif
403: # ifndef VSTOP
404: extern cc_t termStopChar;
405: # else
406: # define termStopChar new_tc.c_cc[VSTOP]
407: # endif
408: # ifndef VEOL
409: extern cc_t termForw1Char;
410: # else
411: # define termForw1Char new_tc.c_cc[VEOL]
412: # endif
413: # ifndef VEOL2
414: extern cc_t termForw2Char;
415: # else
416: # define termForw2Char new_tc.c_cc[VEOL]
417: # endif
418: # ifndef VSTATUS
419: extern cc_t termAytChar;
420: #else
421: # define termAytChar new_tc.c_cc[VSTATUS]
422: #endif
423:
424: /* Ring buffer structures which are shared */
425:
426: extern Ring
427: netoring,
428: netiring,
429: ttyoring,
430: ttyiring;
431:
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