xref: /netbsd-src/usr.bin/rdist/defs.h (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: defs.h,v 1.10 1997/10/19 19:31:16 mycroft Exp $	*/
2 
3 /*
4  * Copyright (c) 1983, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	from: @(#)defs.h	8.1 (Berkeley) 6/9/93
36  */
37 
38 #include <sys/param.h>
39 #include <sys/dir.h>
40 #include <sys/stat.h>
41 #include <sys/time.h>
42 #include <sys/file.h>
43 
44 #include <netinet/in.h>
45 
46 #include <stdio.h>
47 #include <ctype.h>
48 #include <unistd.h>
49 #include <string.h>
50 #include <stdlib.h>
51 
52 #include "pathnames.h"
53 
54 /*
55  * The version number should be changed whenever the protocol changes.
56  */
57 #define VERSION	 3
58 
59 	/* defines for yacc */
60 #define EQUAL	1
61 #define LP	2
62 #define RP	3
63 #define SM	4
64 #define ARROW	5
65 #define COLON	6
66 #define DCOLON	7
67 #define NAME	8
68 #define STRING	9
69 #define INSTALL	10
70 #define NOTIFY	11
71 #define EXCEPT	12
72 #define PATTERN	13
73 #define SPECIAL	14
74 #define OPTION	15
75 
76 	/* lexical definitions */
77 #define	QUOTE 	0200		/* used internally for quoted characters */
78 #define	TRIM	0177		/* Mask to strip quote bit */
79 
80 	/* table sizes */
81 #define HASHSIZE	1021
82 #define INMAX	3500
83 
84 	/* option flags */
85 #define VERIFY	0x1
86 #define WHOLE	0x2
87 #define YOUNGER	0x4
88 #define COMPARE	0x8
89 #define REMOVE	0x10
90 #define FOLLOW	0x20
91 #define IGNLNKS	0x40
92 
93 	/* expand type definitions */
94 #define E_VARS	0x1
95 #define E_SHELL	0x2
96 #define E_TILDE	0x4
97 #define E_ALL	0x7
98 
99 	/* actions for lookup() */
100 #define LOOKUP	0
101 #define INSERT	1
102 #define REPLACE	2
103 
104 #define ALLOC(x) (struct x *) malloc(sizeof(struct x))
105 
106 struct namelist {	/* for making lists of strings */
107 	char	*n_name;
108 	struct	namelist *n_next;
109 };
110 
111 struct subcmd {
112 	short	sc_type;	/* type - INSTALL,NOTIFY,EXCEPT,SPECIAL */
113 	short	sc_options;
114 	char	*sc_name;
115 	struct	namelist *sc_args;
116 	struct	subcmd *sc_next;
117 };
118 
119 struct cmd {
120 	int	c_type;		/* type - ARROW,DCOLON */
121 	char	*c_name;	/* hostname or time stamp file name */
122 	char	*c_label;	/* label for partial update */
123 	struct	namelist *c_files;
124 	struct	subcmd *c_cmds;
125 	struct	cmd *c_next;
126 };
127 
128 struct linkbuf {
129 	ino_t	inum;
130 	dev_t	devnum;
131 	int	count;
132 	char	pathname[BUFSIZ];
133 	char	target[BUFSIZ];
134 	struct	linkbuf *nextp;
135 };
136 
137 extern int debug;		/* debugging flag */
138 extern int nflag;		/* NOP flag, don't execute commands */
139 extern int qflag;		/* Quiet. don't print messages */
140 extern int options;		/* global options */
141 
142 extern int nerrs;		/* number of errors seen */
143 extern int rem;			/* remote file descriptor */
144 extern int iamremote;		/* acting as remote server */
145 extern char tempfile[];		/* file name for logging changes */
146 extern struct linkbuf *ihead;	/* list of files with more than one link */
147 extern char host[];		/* host name of master copy */
148 extern char buf[BUFSIZ];	/* general purpose buffer */
149 
150 extern struct passwd *pw;	/* pointer to static area used by getpwent */
151 extern struct group *gr;	/* pointer to static area used by getgrent */
152 extern uid_t userid;		/* user's user ID */
153 extern gid_t groupid;		/* user's group ID */
154 
155 int	 any __P((int, char *));
156 char	*colon __P((char *));
157 void	 cleanup __P((int));
158 void	 define __P((char *));
159 void	 docmds __P((char **, int, char **));
160 void	 error __P((const char *, ...));
161 int	 except __P((char *));
162 struct namelist *
163 	 expand __P((struct namelist *, int));
164 char	*exptilde __P((char [], char *));
165 void	 fatal __P((const char *, ...));
166 int	 inlist __P((struct namelist *, char *));
167 void	 insert __P((char *,
168 	    struct namelist *, struct namelist *, struct subcmd *));
169 void	 install __P((char *, char *, int, int));
170 void	 log __P((FILE *, const char *, ...));
171 struct namelist *
172 	 lookup __P((char *, int, struct namelist *));
173 void	 lostconn __P((int));
174 struct namelist *
175 	 makenl __P((char *));
176 struct subcmd *
177 	 makesubcmd __P((int));
178 void	 prnames __P((struct namelist *));
179 void	 server __P((void));
180 void	 yyerror __P((char *));
181 int	 yyparse __P((void));
182