xref: /netbsd/usr.bin/rdist/defs.h (revision 3c1b754b)
1 /*	$NetBSD: defs.h,v 1.19 2011/09/06 18:28:18 joerg 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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	from: @(#)defs.h	8.1 (Berkeley) 6/9/93
32  */
33 
34 #include <sys/param.h>
35 #include <sys/stat.h>
36 #include <sys/time.h>
37 #include <sys/file.h>
38 
39 #include <netinet/in.h>
40 
41 #include <stdio.h>
42 #include <ctype.h>
43 #include <unistd.h>
44 #include <string.h>
45 #include <stdlib.h>
46 #include <dirent.h>
47 #include <time.h>
48 
49 #include "pathnames.h"
50 
51 /*
52  * The version number should be changed whenever the protocol changes.
53  */
54 #define VERSION	 3
55 
56 	/* defines for yacc */
57 #define EQUAL	1
58 #define LP	2
59 #define RP	3
60 #define SM	4
61 #define ARROW	5
62 #define COLON	6
63 #define DCOLON	7
64 #define NAME	8
65 #define STRING	9
66 #define INSTALL	10
67 #define NOTIFY	11
68 #define EXCEPT	12
69 #define PATTERN	13
70 #define SPECIAL	14
71 #define OPTION	15
72 
73 	/* lexical definitions */
74 #define	QUOTE 	0200		/* used internally for quoted characters */
75 #define	TRIM	0177		/* Mask to strip quote bit */
76 
77 	/* table sizes */
78 #define HASHSIZE	1021
79 #define INMAX	3500
80 
81 	/* option flags */
82 #define VERIFY	0x1
83 #define WHOLE	0x2
84 #define YOUNGER	0x4
85 #define COMPARE	0x8
86 #define REMOVE	0x10
87 #define FOLLOW	0x20
88 #define IGNLNKS	0x40
89 
90 	/* expand type definitions */
91 #define E_VARS	0x1
92 #define E_SHELL	0x2
93 #define E_TILDE	0x4
94 #define E_ALL	0x7
95 
96 	/* actions for lookup() */
97 #define LOOKUP	0
98 #define INSERT	1
99 #define REPLACE	2
100 
101 #define ALLOC(x) (struct x *) malloc(sizeof(struct x))
102 
103 struct namelist {	/* for making lists of strings */
104 	char	*n_name;
105 	struct	namelist *n_next;
106 };
107 
108 struct subcmd {
109 	short	sc_type;	/* type - INSTALL,NOTIFY,EXCEPT,SPECIAL */
110 	short	sc_options;
111 	char	*sc_name;
112 	struct	namelist *sc_args;
113 	struct	subcmd *sc_next;
114 };
115 
116 struct cmd {
117 	int	c_type;		/* type - ARROW,DCOLON */
118 	char	*c_name;	/* hostname or time stamp file name */
119 	char	*c_label;	/* label for partial update */
120 	struct	namelist *c_files;
121 	struct	subcmd *c_cmds;
122 	struct	cmd *c_next;
123 };
124 
125 struct linkbuf {
126 	ino_t	inum;
127 	dev_t	devnum;
128 	int	count;
129 	char	pathname[BUFSIZ];
130 	char	target[BUFSIZ];
131 	struct	linkbuf *nextp;
132 };
133 
134 extern int debug;		/* debugging flag */
135 extern int nflag;		/* NOP flag, don't execute commands */
136 extern int qflag;		/* Quiet. don't print messages */
137 extern int options;		/* global options */
138 
139 extern int nerrs;		/* number of errors seen */
140 extern int rem;			/* remote file descriptor */
141 extern int iamremote;		/* acting as remote server */
142 extern char tempfile[];		/* file name for logging changes */
143 extern struct linkbuf *ihead;	/* list of files with more than one link */
144 extern char host[];		/* host name of master copy */
145 extern char buf[BUFSIZ];	/* general purpose buffer */
146 
147 extern struct passwd *pw;	/* pointer to static area used by getpwent */
148 extern struct group *gr;	/* pointer to static area used by getgrent */
149 extern uid_t userid;		/* user's user ID */
150 extern gid_t groupid;		/* user's group ID */
151 
152 int	 any(int, const char *);
153 char	*colon(char *);
154 void	 cleanup(int) __dead;
155 void	 define(char *);
156 void	 docmds(char **, int, char **);
157 void	 error(const char *, ...) __printflike(1, 2);
158 int	 except(char *);
159 struct namelist *
160 	 expand(struct namelist *, int);
161 char	*exptilde(char [], char *);
162 void	 fatal(const char *, ...) __printflike(1, 2);
163 int	 inlist(struct namelist *, char *);
164 void	 insert(char *,
165 	    struct namelist *, struct namelist *, struct subcmd *);
166 void	 install(char *, char *, int, int);
167 void	 dolog(FILE *, const char *, ...) __printflike(2, 3);
168 struct namelist *
169 	 lookup(char *, int, struct namelist *);
170 void	 lostconn(int) __dead;
171 struct namelist *
172 	 makenl(char *);
173 void	 freenl(struct namelist *);
174 struct subcmd *
175 	 makesubcmd(int);
176 void	 freesubcmd(struct subcmd *);
177 void	 prnames(struct namelist *);
178 void	 server(void);
179 void	 yyerror(const char *);
180 int	 yyparse(void);
181