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      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