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4b3ef9ea WJ |
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 | * @(#)tip.h 5.7 (Berkeley) 3/27/91 | |
34 | */ | |
35 | ||
36 | /* | |
37 | * tip - terminal interface program | |
38 | */ | |
39 | ||
40 | #include <sys/types.h> | |
41 | #include <machine/endian.h> | |
42 | #include <sys/file.h> | |
43 | #include <sys/time.h> | |
44 | ||
45 | #include <sgtty.h> | |
46 | #include <signal.h> | |
47 | #include <stdio.h> | |
48 | #include <stdlib.h> | |
49 | #include <string.h> | |
50 | #include <pwd.h> | |
51 | #include <ctype.h> | |
52 | #include <setjmp.h> | |
53 | #include <unistd.h> | |
54 | #include <errno.h> | |
55 | ||
56 | /* | |
57 | * Remote host attributes | |
58 | */ | |
59 | char *DV; /* UNIX device(s) to open */ | |
60 | char *EL; /* chars marking an EOL */ | |
61 | char *CM; /* initial connection message */ | |
62 | char *IE; /* EOT to expect on input */ | |
63 | char *OE; /* EOT to send to complete FT */ | |
64 | char *CU; /* call unit if making a phone call */ | |
65 | char *AT; /* acu type */ | |
66 | char *PN; /* phone number(s) */ | |
67 | char *DI; /* disconnect string */ | |
68 | char *PA; /* parity to be generated */ | |
69 | ||
70 | char *PH; /* phone number file */ | |
71 | char *RM; /* remote file name */ | |
72 | char *HO; /* host name */ | |
73 | ||
74 | int BR; /* line speed for conversation */ | |
75 | int FS; /* frame size for transfers */ | |
76 | ||
77 | char DU; /* this host is dialed up */ | |
78 | char HW; /* this device is hardwired, see hunt.c */ | |
79 | char *ES; /* escape character */ | |
80 | char *EX; /* exceptions */ | |
81 | char *FO; /* force (literal next) char*/ | |
82 | char *RC; /* raise character */ | |
83 | char *RE; /* script record file */ | |
84 | char *PR; /* remote prompt */ | |
85 | int DL; /* line delay for file transfers to remote */ | |
86 | int CL; /* char delay for file transfers to remote */ | |
87 | int ET; /* echocheck timeout */ | |
88 | char HD; /* this host is half duplex - do local echo */ | |
89 | ||
90 | /* | |
91 | * String value table | |
92 | */ | |
93 | typedef | |
94 | struct { | |
95 | char *v_name; /* whose name is it */ | |
96 | char v_type; /* for interpreting set's */ | |
97 | char v_access; /* protection of touchy ones */ | |
98 | char *v_abrev; /* possible abreviation */ | |
99 | char *v_value; /* casted to a union later */ | |
100 | } | |
101 | value_t; | |
102 | ||
103 | #define STRING 01 /* string valued */ | |
104 | #define BOOL 02 /* true-false value */ | |
105 | #define NUMBER 04 /* numeric value */ | |
106 | #define CHAR 010 /* character value */ | |
107 | ||
108 | #define WRITE 01 /* write access to variable */ | |
109 | #define READ 02 /* read access */ | |
110 | ||
111 | #define CHANGED 01 /* low bit is used to show modification */ | |
112 | #define PUBLIC 1 /* public access rights */ | |
113 | #define PRIVATE 03 /* private to definer */ | |
114 | #define ROOT 05 /* root defined */ | |
115 | ||
116 | #define TRUE 1 | |
117 | #define FALSE 0 | |
118 | ||
119 | #define ENVIRON 020 /* initialize out of the environment */ | |
120 | #define IREMOTE 040 /* initialize out of remote structure */ | |
121 | #define INIT 0100 /* static data space used for initialization */ | |
122 | #define TMASK 017 | |
123 | ||
124 | /* | |
125 | * Definition of ACU line description | |
126 | */ | |
127 | typedef | |
128 | struct { | |
129 | char *acu_name; | |
130 | int (*acu_dialer)(); | |
131 | int (*acu_disconnect)(); | |
132 | int (*acu_abort)(); | |
133 | } | |
134 | acu_t; | |
135 | ||
136 | #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ | |
137 | ||
138 | /* | |
139 | * variable manipulation stuff -- | |
140 | * if we defined the value entry in value_t, then we couldn't | |
141 | * initialize it in vars.c, so we cast it as needed to keep lint | |
142 | * happy. | |
143 | */ | |
144 | typedef | |
145 | union { | |
146 | int zz_number; | |
147 | short zz_boolean[2]; | |
148 | char zz_character[4]; | |
149 | int *zz_address; | |
150 | } | |
151 | zzhack; | |
152 | ||
153 | #define value(v) vtable[v].v_value | |
154 | ||
155 | #define number(v) ((((zzhack *)(&(v))))->zz_number) | |
156 | ||
157 | #if BYTE_ORDER == LITTLE_ENDIAN | |
158 | #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0]) | |
159 | #define character(v) ((((zzhack *)(&(v))))->zz_character[0]) | |
160 | #endif | |
161 | ||
162 | #if BYTE_ORDER == BIG_ENDIAN | |
163 | #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1]) | |
164 | #define character(v) ((((zzhack *)(&(v))))->zz_character[3]) | |
165 | #endif | |
166 | ||
167 | #define address(v) ((((zzhack *)(&(v))))->zz_address) | |
168 | ||
169 | /* | |
170 | * Escape command table definitions -- | |
171 | * lookup in this table is performed when ``escapec'' is recognized | |
172 | * at the begining of a line (as defined by the eolmarks variable). | |
173 | */ | |
174 | ||
175 | typedef | |
176 | struct { | |
177 | char e_char; /* char to match on */ | |
178 | char e_flags; /* experimental, priviledged */ | |
179 | char *e_help; /* help string */ | |
180 | int (*e_func)(); /* command */ | |
181 | } | |
182 | esctable_t; | |
183 | ||
184 | #define NORM 00 /* normal protection, execute anyone */ | |
185 | #define EXP 01 /* experimental, mark it with a `*' on help */ | |
186 | #define PRIV 02 /* priviledged, root execute only */ | |
187 | ||
188 | extern int vflag; /* verbose during reading of .tiprc file */ | |
189 | extern value_t vtable[]; /* variable table */ | |
190 | ||
191 | #ifndef ACULOG | |
192 | #define logent(a, b, c, d) | |
193 | #define loginit() | |
194 | #endif | |
195 | ||
196 | /* | |
197 | * Definition of indices into variable table so | |
198 | * value(DEFINE) turns into a static address. | |
199 | */ | |
200 | ||
201 | #define BEAUTIFY 0 | |
202 | #define BAUDRATE 1 | |
203 | #define DIALTIMEOUT 2 | |
204 | #define EOFREAD 3 | |
205 | #define EOFWRITE 4 | |
206 | #define EOL 5 | |
207 | #define ESCAPE 6 | |
208 | #define EXCEPTIONS 7 | |
209 | #define FORCE 8 | |
210 | #define FRAMESIZE 9 | |
211 | #define HOST 10 | |
212 | #define LOG 11 | |
213 | #define PHONES 12 | |
214 | #define PROMPT 13 | |
215 | #define RAISE 14 | |
216 | #define RAISECHAR 15 | |
217 | #define RECORD 16 | |
218 | #define REMOTE 17 | |
219 | #define SCRIPT 18 | |
220 | #define TABEXPAND 19 | |
221 | #define VERBOSE 20 | |
222 | #define SHELL 21 | |
223 | #define HOME 22 | |
224 | #define ECHOCHECK 23 | |
225 | #define DISCONNECT 24 | |
226 | #define TAND 25 | |
227 | #define LDELAY 26 | |
228 | #define CDELAY 27 | |
229 | #define ETIMEOUT 28 | |
230 | #define RAWFTP 29 | |
231 | #define HALFDUPLEX 30 | |
232 | #define LECHO 31 | |
233 | #define PARITY 32 | |
234 | ||
235 | #define NOVAL ((value_t *)NULL) | |
236 | #define NOACU ((acu_t *)NULL) | |
237 | #define NOSTR ((char *)NULL) | |
238 | #define NOFILE ((FILE *)NULL) | |
239 | #define NOPWD ((struct passwd *)0) | |
240 | ||
241 | struct sgttyb arg; /* current mode of local terminal */ | |
242 | struct sgttyb defarg; /* initial mode of local terminal */ | |
243 | struct tchars tchars; /* current state of terminal */ | |
244 | struct tchars defchars; /* initial state of terminal */ | |
245 | struct ltchars ltchars; /* current local characters of terminal */ | |
246 | struct ltchars deflchars; /* initial local characters of terminal */ | |
247 | ||
248 | FILE *fscript; /* FILE for scripting */ | |
249 | ||
250 | int fildes[2]; /* file transfer synchronization channel */ | |
251 | int repdes[2]; /* read process sychronization channel */ | |
252 | int FD; /* open file descriptor to remote host */ | |
253 | int AC; /* open file descriptor to dialer (v831 only) */ | |
254 | int vflag; /* print .tiprc initialization sequence */ | |
255 | int sfd; /* for ~< operation */ | |
256 | int pid; /* pid of tipout */ | |
257 | uid_t uid, euid; /* real and effective user id's */ | |
258 | gid_t gid, egid; /* real and effective group id's */ | |
259 | int stop; /* stop transfer session flag */ | |
260 | int quit; /* same; but on other end */ | |
261 | int intflag; /* recognized interrupt */ | |
262 | int stoprompt; /* for interrupting a prompt session */ | |
263 | int timedout; /* ~> transfer timedout */ | |
264 | int cumode; /* simulating the "cu" program */ | |
265 | ||
266 | char fname[80]; /* file name buffer for ~< */ | |
267 | char copyname[80]; /* file name buffer for ~> */ | |
268 | char ccc; /* synchronization character */ | |
269 | char ch; /* for tipout */ | |
270 | char *uucplock; /* name of lock file for uucp's */ | |
271 | ||
272 | int odisc; /* initial tty line discipline */ | |
273 | extern int disc; /* current tty discpline */ | |
274 | ||
275 | extern char *ctrl(); | |
276 | extern char *vinterp(); | |
277 | extern char *connect(); |