tip.h revision 1.2 1 /*
2 * Copyright (c) 1983 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)tip.h 5.7 (Berkeley) 3/27/91
34 * $Id: tip.h,v 1.2 1993/08/01 18:06:28 mycroft Exp $
35 */
36
37 /*
38 * tip - terminal interface program
39 */
40
41 #include <sys/types.h>
42 #include <machine/endian.h>
43 #include <sys/file.h>
44 #include <sys/time.h>
45
46 #include <sgtty.h>
47 #include <signal.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <pwd.h>
52 #include <ctype.h>
53 #include <setjmp.h>
54 #include <unistd.h>
55 #include <errno.h>
56
57 /*
58 * Remote host attributes
59 */
60 char *DV; /* UNIX device(s) to open */
61 char *EL; /* chars marking an EOL */
62 char *CM; /* initial connection message */
63 char *IE; /* EOT to expect on input */
64 char *OE; /* EOT to send to complete FT */
65 char *CU; /* call unit if making a phone call */
66 char *AT; /* acu type */
67 char *PN; /* phone number(s) */
68 char *DI; /* disconnect string */
69 char *PA; /* parity to be generated */
70
71 char *PH; /* phone number file */
72 char *RM; /* remote file name */
73 char *HO; /* host name */
74
75 int BR; /* line speed for conversation */
76 int FS; /* frame size for transfers */
77
78 char DU; /* this host is dialed up */
79 char HW; /* this device is hardwired, see hunt.c */
80 char *ES; /* escape character */
81 char *EX; /* exceptions */
82 char *FO; /* force (literal next) char*/
83 char *RC; /* raise character */
84 char *RE; /* script record file */
85 char *PR; /* remote prompt */
86 int DL; /* line delay for file transfers to remote */
87 int CL; /* char delay for file transfers to remote */
88 int ET; /* echocheck timeout */
89 char HD; /* this host is half duplex - do local echo */
90
91 /*
92 * String value table
93 */
94 typedef
95 struct {
96 char *v_name; /* whose name is it */
97 char v_type; /* for interpreting set's */
98 char v_access; /* protection of touchy ones */
99 char *v_abrev; /* possible abreviation */
100 char *v_value; /* casted to a union later */
101 }
102 value_t;
103
104 #define STRING 01 /* string valued */
105 #define BOOL 02 /* true-false value */
106 #define NUMBER 04 /* numeric value */
107 #define CHAR 010 /* character value */
108
109 #define WRITE 01 /* write access to variable */
110 #define READ 02 /* read access */
111
112 #define CHANGED 01 /* low bit is used to show modification */
113 #define PUBLIC 1 /* public access rights */
114 #define PRIVATE 03 /* private to definer */
115 #define ROOT 05 /* root defined */
116
117 #define TRUE 1
118 #define FALSE 0
119
120 #define ENVIRON 020 /* initialize out of the environment */
121 #define IREMOTE 040 /* initialize out of remote structure */
122 #define INIT 0100 /* static data space used for initialization */
123 #define TMASK 017
124
125 /*
126 * Definition of ACU line description
127 */
128 typedef
129 struct {
130 char *acu_name;
131 int (*acu_dialer)();
132 int (*acu_disconnect)();
133 int (*acu_abort)();
134 }
135 acu_t;
136
137 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */
138
139 /*
140 * variable manipulation stuff --
141 * if we defined the value entry in value_t, then we couldn't
142 * initialize it in vars.c, so we cast it as needed to keep lint
143 * happy.
144 */
145 typedef
146 union {
147 int zz_number;
148 short zz_boolean[2];
149 char zz_character[4];
150 int *zz_address;
151 }
152 zzhack;
153
154 #define value(v) vtable[v].v_value
155
156 #define number(v) ((((zzhack *)(&(v))))->zz_number)
157
158 #if BYTE_ORDER == LITTLE_ENDIAN
159 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0])
160 #define character(v) ((((zzhack *)(&(v))))->zz_character[0])
161 #endif
162
163 #if BYTE_ORDER == BIG_ENDIAN
164 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1])
165 #define character(v) ((((zzhack *)(&(v))))->zz_character[3])
166 #endif
167
168 #define address(v) ((((zzhack *)(&(v))))->zz_address)
169
170 /*
171 * Escape command table definitions --
172 * lookup in this table is performed when ``escapec'' is recognized
173 * at the begining of a line (as defined by the eolmarks variable).
174 */
175
176 typedef
177 struct {
178 char e_char; /* char to match on */
179 char e_flags; /* experimental, priviledged */
180 char *e_help; /* help string */
181 int (*e_func)(); /* command */
182 }
183 esctable_t;
184
185 #define NORM 00 /* normal protection, execute anyone */
186 #define EXP 01 /* experimental, mark it with a `*' on help */
187 #define PRIV 02 /* priviledged, root execute only */
188
189 extern int vflag; /* verbose during reading of .tiprc file */
190 extern value_t vtable[]; /* variable table */
191
192 #ifndef ACULOG
193 #define logent(a, b, c, d)
194 #define loginit()
195 #endif
196
197 /*
198 * Definition of indices into variable table so
199 * value(DEFINE) turns into a static address.
200 */
201
202 #define BEAUTIFY 0
203 #define BAUDRATE 1
204 #define DIALTIMEOUT 2
205 #define EOFREAD 3
206 #define EOFWRITE 4
207 #define EOL 5
208 #define ESCAPE 6
209 #define EXCEPTIONS 7
210 #define FORCE 8
211 #define FRAMESIZE 9
212 #define HOST 10
213 #define LOG 11
214 #define PHONES 12
215 #define PROMPT 13
216 #define RAISE 14
217 #define RAISECHAR 15
218 #define RECORD 16
219 #define REMOTE 17
220 #define SCRIPT 18
221 #define TABEXPAND 19
222 #define VERBOSE 20
223 #define SHELL 21
224 #define HOME 22
225 #define ECHOCHECK 23
226 #define DISCONNECT 24
227 #define TAND 25
228 #define LDELAY 26
229 #define CDELAY 27
230 #define ETIMEOUT 28
231 #define RAWFTP 29
232 #define HALFDUPLEX 30
233 #define LECHO 31
234 #define PARITY 32
235
236 #define NOVAL ((value_t *)NULL)
237 #define NOACU ((acu_t *)NULL)
238 #define NOSTR ((char *)NULL)
239 #define NOFILE ((FILE *)NULL)
240 #define NOPWD ((struct passwd *)0)
241
242 struct sgttyb arg; /* current mode of local terminal */
243 struct sgttyb defarg; /* initial mode of local terminal */
244 struct tchars tchars; /* current state of terminal */
245 struct tchars defchars; /* initial state of terminal */
246 struct ltchars ltchars; /* current local characters of terminal */
247 struct ltchars deflchars; /* initial local characters of terminal */
248
249 FILE *fscript; /* FILE for scripting */
250
251 int fildes[2]; /* file transfer synchronization channel */
252 int repdes[2]; /* read process sychronization channel */
253 int FD; /* open file descriptor to remote host */
254 int AC; /* open file descriptor to dialer (v831 only) */
255 int vflag; /* print .tiprc initialization sequence */
256 int sfd; /* for ~< operation */
257 int pid; /* pid of tipout */
258 uid_t uid, euid; /* real and effective user id's */
259 gid_t gid, egid; /* real and effective group id's */
260 int stop; /* stop transfer session flag */
261 int quit; /* same; but on other end */
262 int intflag; /* recognized interrupt */
263 int stoprompt; /* for interrupting a prompt session */
264 int timedout; /* ~> transfer timedout */
265 int cumode; /* simulating the "cu" program */
266
267 char fname[80]; /* file name buffer for ~< */
268 char copyname[80]; /* file name buffer for ~> */
269 char ccc; /* synchronization character */
270 char ch; /* for tipout */
271 char *uucplock; /* name of lock file for uucp's */
272
273 int odisc; /* initial tty line discipline */
274 extern int disc; /* current tty discpline */
275
276 extern char *ctrl();
277 extern char *vinterp();
278 extern char *connect();
279