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defs.h revision 1.5
      1 /*
      2  * Copyright (c) 1983, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     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  *	from: @(#)defs.h	8.1 (Berkeley) 6/9/93
     34  *	$Id: defs.h,v 1.5 1994/03/07 05:05:20 cgd Exp $
     35  */
     36 
     37 #include <sys/param.h>
     38 #include <sys/dir.h>
     39 #include <sys/stat.h>
     40 #include <sys/time.h>
     41 #include <sys/file.h>
     42 
     43 #include <netinet/in.h>
     44 
     45 #include <errno.h>
     46 #include <pwd.h>
     47 #include <grp.h>
     48 #include <stdio.h>
     49 #include <ctype.h>
     50 #include <unistd.h>
     51 #include <string.h>
     52 #include <stdlib.h>
     53 #include "pathnames.h"
     54 
     55 /*
     56  * The version number should be changed whenever the protocol changes.
     57  */
     58 #define VERSION	 3
     59 
     60 	/* defines for yacc */
     61 #define EQUAL	1
     62 #define LP	2
     63 #define RP	3
     64 #define SM	4
     65 #define ARROW	5
     66 #define COLON	6
     67 #define DCOLON	7
     68 #define NAME	8
     69 #define STRING	9
     70 #define INSTALL	10
     71 #define NOTIFY	11
     72 #define EXCEPT	12
     73 #define PATTERN	13
     74 #define SPECIAL	14
     75 #define OPTION	15
     76 
     77 	/* lexical definitions */
     78 #define	QUOTE 	0200		/* used internally for quoted characters */
     79 #define	TRIM	0177		/* Mask to strip quote bit */
     80 
     81 	/* table sizes */
     82 #define HASHSIZE	1021
     83 #define INMAX	3500
     84 
     85 	/* option flags */
     86 #define VERIFY	0x1
     87 #define WHOLE	0x2
     88 #define YOUNGER	0x4
     89 #define COMPARE	0x8
     90 #define REMOVE	0x10
     91 #define FOLLOW	0x20
     92 #define IGNLNKS	0x40
     93 
     94 	/* expand type definitions */
     95 #define E_VARS	0x1
     96 #define E_SHELL	0x2
     97 #define E_TILDE	0x4
     98 #define E_ALL	0x7
     99 
    100 	/* actions for lookup() */
    101 #define LOOKUP	0
    102 #define INSERT	1
    103 #define REPLACE	2
    104 
    105 #define ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
    106 
    107 #define ALLOC(x) (struct x *) malloc(sizeof(struct x))
    108 
    109 struct namelist {	/* for making lists of strings */
    110 	char	*n_name;
    111 	struct	namelist *n_next;
    112 };
    113 
    114 struct subcmd {
    115 	short	sc_type;	/* type - INSTALL,NOTIFY,EXCEPT,SPECIAL */
    116 	short	sc_options;
    117 	char	*sc_name;
    118 	struct	namelist *sc_args;
    119 	struct	subcmd *sc_next;
    120 };
    121 
    122 struct cmd {
    123 	int	c_type;		/* type - ARROW,DCOLON */
    124 	char	*c_name;	/* hostname or time stamp file name */
    125 	char	*c_label;	/* label for partial update */
    126 	struct	namelist *c_files;
    127 	struct	subcmd *c_cmds;
    128 	struct	cmd *c_next;
    129 };
    130 
    131 struct linkbuf {
    132 	ino_t	inum;
    133 	dev_t	devnum;
    134 	int	count;
    135 	char	pathname[BUFSIZ];
    136 	char	target[BUFSIZ];
    137 	struct	linkbuf *nextp;
    138 };
    139 
    140 extern int debug;		/* debugging flag */
    141 extern int nflag;		/* NOP flag, don't execute commands */
    142 extern int qflag;		/* Quiet. don't print messages */
    143 extern int options;		/* global options */
    144 
    145 extern int nerrs;		/* number of errors seen */
    146 extern int rem;			/* remote file descriptor */
    147 extern int iamremote;		/* acting as remote server */
    148 extern char tempfile[];		/* file name for logging changes */
    149 extern struct linkbuf *ihead;	/* list of files with more than one link */
    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 char host[];		/* host name of master copy */
    153 extern char buf[];		/* general purpose buffer */
    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