Annotation of src/usr.bin/tip/tip.h, Revision 1.15
1.15 ! millert 1: /* $OpenBSD: tip.h,v 1.14 2002/06/04 00:09:08 deraadt Exp $ */
1.6 millert 2: /* $NetBSD: tip.h,v 1.7 1997/04/20 00:02:46 mellon Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1989, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
1.15 ! millert 17: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 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 8.1 (Berkeley) 6/6/93
34: */
35:
36: /*
37: * tip - terminal interface program
38: */
39:
40: #include <sys/types.h>
41: #include <sys/file.h>
42: #include <sys/time.h>
1.8 deraadt 43: #include <sys/wait.h>
44: #include <sys/ioctl.h>
1.1 deraadt 45:
1.2 deraadt 46: #include <termios.h>
1.1 deraadt 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>
1.7 millert 56: #include <limits.h>
1.1 deraadt 57:
58: /*
59: * Remote host attributes
60: */
61: char *DV; /* UNIX device(s) to open */
62: char *EL; /* chars marking an EOL */
63: char *CM; /* initial connection message */
64: char *IE; /* EOT to expect on input */
65: char *OE; /* EOT to send to complete FT */
66: char *CU; /* call unit if making a phone call */
67: char *AT; /* acu type */
68: char *PN; /* phone number(s) */
69: char *DI; /* disconnect string */
70: char *PA; /* parity to be generated */
71:
72: char *PH; /* phone number file */
73: char *RM; /* remote file name */
74: char *HO; /* host name */
75:
76: long BR; /* line speed for conversation */
77: long FS; /* frame size for transfers */
78:
1.6 millert 79: short DU; /* this host is dialed up */
80: short HW; /* this device is hardwired, see hunt.c */
1.1 deraadt 81: char *ES; /* escape character */
82: char *EX; /* exceptions */
83: char *FO; /* force (literal next) char*/
84: char *RC; /* raise character */
85: char *RE; /* script record file */
86: char *PR; /* remote prompt */
87: long DL; /* line delay for file transfers to remote */
88: long CL; /* char delay for file transfers to remote */
89: long ET; /* echocheck timeout */
1.6 millert 90: short HD; /* this host is half duplex - do local echo */
91: short DC; /* this host is directly connected. */
1.1 deraadt 92:
93: /*
94: * String value table
95: */
96: typedef
97: struct {
98: char *v_name; /* whose name is it */
99: char v_type; /* for interpreting set's */
100: char v_access; /* protection of touchy ones */
101: char *v_abrev; /* possible abreviation */
102: char *v_value; /* casted to a union later */
103: }
104: value_t;
105:
106: #define STRING 01 /* string valued */
107: #define BOOL 02 /* true-false value */
108: #define NUMBER 04 /* numeric value */
109: #define CHAR 010 /* character value */
110:
111: #define WRITE 01 /* write access to variable */
112: #define READ 02 /* read access */
113:
114: #define CHANGED 01 /* low bit is used to show modification */
115: #define PUBLIC 1 /* public access rights */
116: #define PRIVATE 03 /* private to definer */
117: #define ROOT 05 /* root defined */
118:
119: #define TRUE 1
120: #define FALSE 0
121:
122: #define ENVIRON 020 /* initialize out of the environment */
123: #define IREMOTE 040 /* initialize out of remote structure */
124: #define INIT 0100 /* static data space used for initialization */
125: #define TMASK 017
126:
127: /*
128: * Definition of ACU line description
129: */
130: typedef
131: struct {
132: char *acu_name;
133: int (*acu_dialer)();
134: int (*acu_disconnect)();
135: int (*acu_abort)();
136: }
137: acu_t;
138:
139: #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */
140:
141: /*
142: * variable manipulation stuff --
143: * if we defined the value entry in value_t, then we couldn't
144: * initialize it in vars.c, so we cast it as needed to keep lint
145: * happy.
146: */
147:
148: #define value(v) vtable[v].v_value
149:
1.5 millert 150: #define number(v) ((long)(v))
151: #define boolean(v) ((short)(long)(v))
152: #define character(v) ((char)(long)(v))
153: #define address(v) ((long *)(v))
154:
155: #define setnumber(v,n) do { (v) = (char *)(long)(n); } while (0)
156: #define setboolean(v,n) do { (v) = (char *)(long)(n); } while (0)
157: #define setcharacter(v,n) do { (v) = (char *)(long)(n); } while (0)
158: #define setaddress(v,n) do { (v) = (char *)(n); } while (0)
1.1 deraadt 159:
160: /*
161: * Escape command table definitions --
162: * lookup in this table is performed when ``escapec'' is recognized
163: * at the begining of a line (as defined by the eolmarks variable).
164: */
165:
166: typedef
167: struct {
168: char e_char; /* char to match on */
1.14 deraadt 169: char e_flags; /* experimental, privileged */
1.1 deraadt 170: char *e_help; /* help string */
171: int (*e_func)(); /* command */
172: }
173: esctable_t;
174:
175: #define NORM 00 /* normal protection, execute anyone */
176: #define EXP 01 /* experimental, mark it with a `*' on help */
1.14 deraadt 177: #define PRIV 02 /* privileged, root execute only */
1.1 deraadt 178:
179: extern int vflag; /* verbose during reading of .tiprc file */
1.9 todd 180: extern int noesc; /* no escape `~' char */
1.1 deraadt 181: extern value_t vtable[]; /* variable table */
182:
183: #ifndef ACULOG
184: #define logent(a, b, c, d)
185: #define loginit()
186: #endif
187:
188: /*
189: * Definition of indices into variable table so
190: * value(DEFINE) turns into a static address.
191: */
192:
193: #define BEAUTIFY 0
194: #define BAUDRATE 1
195: #define DIALTIMEOUT 2
196: #define EOFREAD 3
197: #define EOFWRITE 4
198: #define EOL 5
199: #define ESCAPE 6
200: #define EXCEPTIONS 7
201: #define FORCE 8
202: #define FRAMESIZE 9
203: #define HOST 10
204: #define LOG 11
205: #define PHONES 12
206: #define PROMPT 13
207: #define RAISE 14
208: #define RAISECHAR 15
209: #define RECORD 16
210: #define REMOTE 17
211: #define SCRIPT 18
212: #define TABEXPAND 19
213: #define VERBOSE 20
214: #define SHELL 21
215: #define HOME 22
216: #define ECHOCHECK 23
217: #define DISCONNECT 24
218: #define TAND 25
219: #define LDELAY 26
220: #define CDELAY 27
221: #define ETIMEOUT 28
222: #define RAWFTP 29
223: #define HALFDUPLEX 30
224: #define LECHO 31
225: #define PARITY 32
226:
227: #define NOVAL ((value_t *)NULL)
228: #define NOACU ((acu_t *)NULL)
229: #define NOSTR ((char *)NULL)
230: #define NOFILE ((FILE *)NULL)
231: #define NOPWD ((struct passwd *)0)
232:
1.2 deraadt 233: struct termios term; /* current mode of terminal */
234: struct termios defterm; /* initial mode of terminal */
235: struct termios defchars; /* current mode with initial chars */
1.1 deraadt 236:
237: FILE *fscript; /* FILE for scripting */
238:
239: int fildes[2]; /* file transfer synchronization channel */
240: int repdes[2]; /* read process sychronization channel */
241: int FD; /* open file descriptor to remote host */
242: int AC; /* open file descriptor to dialer (v831 only) */
243: int vflag; /* print .tiprc initialization sequence */
1.9 todd 244: int noesc; /* no `~' escape char */
1.1 deraadt 245: int sfd; /* for ~< operation */
246: int pid; /* pid of tipout */
247: uid_t uid, euid; /* real and effective user id's */
248: gid_t gid, egid; /* real and effective group id's */
249: int stop; /* stop transfer session flag */
250: int quit; /* same; but on other end */
251: int intflag; /* recognized interrupt */
252: int stoprompt; /* for interrupting a prompt session */
253: int timedout; /* ~> transfer timedout */
254: int cumode; /* simulating the "cu" program */
1.2 deraadt 255: int bits8; /* terminal is is 8-bit mode */
256: #define STRIP_PAR (bits8 ? 0377 : 0177)
1.1 deraadt 257:
1.7 millert 258: char fname[PATH_MAX]; /* file name buffer for ~< */
259: char copyname[PATH_MAX]; /* file name buffer for ~> */
1.1 deraadt 260: char ccc; /* synchronization character */
261: char ch; /* for tipout */
262: char *uucplock; /* name of lock file for uucp's */
263:
1.11 millert 264: int odisc; /* initial tty line discipline */
265: extern int disc; /* current tty discpline */
266:
267: extern char *__progname; /* program name */
1.1 deraadt 268:
269: extern char *ctrl();
270: extern char *vinterp();
271: extern char *connect();
1.8 deraadt 272:
1.12 millert 273: char *sname(char *s);
274: int any(int cc, char *p);
275: int anyof(char *s1, char *s2);
276: int args(char *buf, char *a[], int num);
277: int escape(void);
278: int prompt(char *s, char *p, size_t sz);
279: int size(char *s);
1.13 millert 280: int ttysetup(int speed);
1.12 millert 281: int uu_lock(char *ttyname);
282: int uu_unlock(char *ttyname);
283: int vstring(char *s, char *v);
284: long hunt(char *name);
285: void cumain(int argc, char *argv[]);
286: void daemon_uid(void);
287: void disconnect(char *reason);
288: void execute(char *s);
289: void logent(char *group, char *num, char *acu, char *message);
290: void loginit(void);
291: void prtime(char *s, time_t a);
292: void parwrite(int fd, char *buf, int n);
293: void raw(void);
294: void send(int c);
295: void setparity(char *defparity);
296: void setscript(void);
297: void shell_uid(void);
298: void tandem(char *option);
299: void tipabort(char *msg);
300: void tipin(void);
301: void tipout(void);
302: void transfer(char *buf, int fd, char *eofchars);
303: void transmit(FILE *fd, char *eofchars, char *command);
304: void unraw(void);
305: void user_uid(void);
306: void vinit(void);
307: void vlex(char *s);
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