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1.1 root 1: /*
2: * Copyright (c) 1983 Regents of the University of California.
3: * All rights reserved. The Berkeley software License Agreement
4: * specifies the terms and conditions for redistribution.
5: *
6: * @(#)tip.h 5.2 (Berkeley) 1/13/86
7: */
8:
9: /*
10: * tip - terminal interface program
11: */
12:
13: #include <sys/types.h>
14: #include <sys/file.h>
15:
16: #include <sgtty.h>
17: #include <signal.h>
18: #include <stdio.h>
19: #include <pwd.h>
20: #include <ctype.h>
21: #include <setjmp.h>
22: #include <errno.h>
23:
24: /*
25: * Remote host attributes
26: */
27: char *DV; /* UNIX device(s) to open */
28: char *EL; /* chars marking an EOL */
29: char *CM; /* initial connection message */
30: char *IE; /* EOT to expect on input */
31: char *OE; /* EOT to send to complete FT */
32: char *CU; /* call unit if making a phone call */
33: char *AT; /* acu type */
34: char *PN; /* phone number(s) */
35: char *DI; /* disconnect string */
36: char *PA; /* parity to be generated */
37:
38: char *PH; /* phone number file */
39: char *RM; /* remote file name */
40: char *HO; /* host name */
41:
42: int BR; /* line speed for conversation */
43: int FS; /* frame size for transfers */
44:
45: char DU; /* this host is dialed up */
46: char HW; /* this device is hardwired, see hunt.c */
47: char *ES; /* escape character */
48: char *EX; /* exceptions */
49: char *FO; /* force (literal next) char*/
50: char *RC; /* raise character */
51: char *RE; /* script record file */
52: char *PR; /* remote prompt */
53: int DL; /* line delay for file transfers to remote */
54: int CL; /* char delay for file transfers to remote */
55: int ET; /* echocheck timeout */
56: char HD; /* this host is half duplex - do local echo */
57:
58: /*
59: * String value table
60: */
61: typedef
62: struct {
63: char *v_name; /* whose name is it */
64: char v_type; /* for interpreting set's */
65: char v_access; /* protection of touchy ones */
66: char *v_abrev; /* possible abreviation */
67: char *v_value; /* casted to a union later */
68: }
69: value_t;
70:
71: #define STRING 01 /* string valued */
72: #define BOOL 02 /* true-false value */
73: #define NUMBER 04 /* numeric value */
74: #define CHAR 010 /* character value */
75:
76: #define WRITE 01 /* write access to variable */
77: #define READ 02 /* read access */
78:
79: #define CHANGED 01 /* low bit is used to show modification */
80: #define PUBLIC 1 /* public access rights */
81: #define PRIVATE 03 /* private to definer */
82: #define ROOT 05 /* root defined */
83:
84: #define TRUE 1
85: #define FALSE 0
86:
87: #define ENVIRON 020 /* initialize out of the environment */
88: #define IREMOTE 040 /* initialize out of remote structure */
89: #define INIT 0100 /* static data space used for initialization */
90: #define TMASK 017
91:
92: /*
93: * Definition of ACU line description
94: */
95: typedef
96: struct {
97: char *acu_name;
98: int (*acu_dialer)();
99: int (*acu_disconnect)();
100: int (*acu_abort)();
101: }
102: acu_t;
103:
104: #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */
105:
106: /*
107: * variable manipulation stuff --
108: * if we defined the value entry in value_t, then we couldn't
109: * initialize it in vars.c, so we cast it as needed to keep lint
110: * happy.
111: */
112: typedef
113: union {
114: int zz_number;
115: short zz_boolean;
116: char zz_character;
117: int *zz_address;
118: }
119: zzhack;
120:
121: #define value(v) vtable[v].v_value
122:
123: #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean)
124: #define number(v) ((((zzhack *)(&(v))))->zz_number)
125: #define character(v) ((((zzhack *)(&(v))))->zz_character)
126: #define address(v) ((((zzhack *)(&(v))))->zz_address)
127:
128: /*
129: * Escape command table definitions --
130: * lookup in this table is performed when ``escapec'' is recognized
131: * at the begining of a line (as defined by the eolmarks variable).
132: */
133:
134: typedef
135: struct {
136: char e_char; /* char to match on */
137: char e_flags; /* experimental, priviledged */
138: char *e_help; /* help string */
139: int (*e_func)(); /* command */
140: }
141: esctable_t;
142:
143: #define NORM 00 /* normal protection, execute anyone */
144: #define EXP 01 /* experimental, mark it with a `*' on help */
145: #define PRIV 02 /* priviledged, root execute only */
146:
147: extern int vflag; /* verbose during reading of .tiprc file */
148: extern value_t vtable[]; /* variable table */
149:
150: #ifndef ACULOG
151: #define logent(a, b, c, d)
152: #define loginit()
153: #endif
154:
155: /*
156: * Definition of indices into variable table so
157: * value(DEFINE) turns into a static address.
158: */
159:
160: #define BEAUTIFY 0
161: #define BAUDRATE 1
162: #define DIALTIMEOUT 2
163: #define EOFREAD 3
164: #define EOFWRITE 4
165: #define EOL 5
166: #define ESCAPE 6
167: #define EXCEPTIONS 7
168: #define FORCE 8
169: #define FRAMESIZE 9
170: #define HOST 10
171: #define LOG 11
172: #define PHONES 12
173: #define PROMPT 13
174: #define RAISE 14
175: #define RAISECHAR 15
176: #define RECORD 16
177: #define REMOTE 17
178: #define SCRIPT 18
179: #define TABEXPAND 19
180: #define VERBOSE 20
181: #define SHELL 21
182: #define HOME 22
183: #define ECHOCHECK 23
184: #define DISCONNECT 24
185: #define TAND 25
186: #define LDELAY 26
187: #define CDELAY 27
188: #define ETIMEOUT 28
189: #define RAWFTP 29
190: #define HALFDUPLEX 30
191: #define LECHO 31
192: #define PARITY 32
193:
194: #define NOVAL ((value_t *)NULL)
195: #define NOACU ((acu_t *)NULL)
196: #define NOSTR ((char *)NULL)
197: #define NOFILE ((FILE *)NULL)
198: #define NOPWD ((struct passwd *)0)
199:
200: struct sgttyb arg; /* current mode of local terminal */
201: struct sgttyb defarg; /* initial mode of local terminal */
202: struct tchars tchars; /* current state of terminal */
203: struct tchars defchars; /* initial state of terminal */
204: struct ltchars ltchars; /* current local characters of terminal */
205: struct ltchars deflchars; /* initial local characters of terminal */
206:
207: FILE *fscript; /* FILE for scripting */
208:
209: int fildes[2]; /* file transfer synchronization channel */
210: int repdes[2]; /* read process sychronization channel */
211: int FD; /* open file descriptor to remote host */
212: int AC; /* open file descriptor to dialer (v831 only) */
213: int vflag; /* print .tiprc initialization sequence */
214: int sfd; /* for ~< operation */
215: int pid; /* pid of tipout */
216: uid_t uid, euid; /* real and effective user id's */
217: gid_t gid, egid; /* real and effective group id's */
218: int stop; /* stop transfer session flag */
219: int quit; /* same; but on other end */
220: int intflag; /* recognized interrupt */
221: int stoprompt; /* for interrupting a prompt session */
222: int timedout; /* ~> transfer timedout */
223: int cumode; /* simulating the "cu" program */
224:
225: char fname[80]; /* file name buffer for ~< */
226: char copyname[80]; /* file name buffer for ~> */
227: char ccc; /* synchronization character */
228: char ch; /* for tipout */
229: char *uucplock; /* name of lock file for uucp's */
230:
231: int odisc; /* initial tty line discipline */
232: extern int disc; /* current tty discpline */
233:
234: extern char *ctrl();
235: extern char *ctime();
236: extern long time();
237: extern struct passwd *getpwuid();
238: extern char *getlogin();
239: extern char *vinterp();
240: extern char *getenv();
241: extern char *rindex();
242: extern char *index();
243: extern char *malloc();
244: extern char *connect();
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