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defs.h revision 1.4 
      1 /*
      2  * Copyright (c) 1983 Regents of the University of California.
      3  * 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	5.9 (Berkeley) 8/27/90
     34  *	$Id: defs.h,v 1.4 1993/12/04 02:11:23 jtc Exp $
     35  */
     36 
     37 #include <sys/param.h>
     38 #include <sys/stat.h>
     39 #include <sys/time.h>
     40 #include <sys/file.h>
     41 #include <netinet/in.h>
     42 #include <dirent.h>
     43 #include <stdio.h>
     44 #include <stdlib.h>
     45 #include <string.h>
     46 #include <ctype.h>
     47 #include <errno.h>
     48 #include <pwd.h>
     49 #include <grp.h>
     50 #include "pathnames.h"
     51 
     52 /*
     53  * The version number should be changed whenever the protocol changes.
     54  */
     55 #define VERSION	 3
     56 
     57 	/* defines for yacc */
     58 #define EQUAL	1
     59 #define LP	2
     60 #define RP	3
     61 #define SM	4
     62 #define ARROW	5
     63 #define COLON	6
     64 #define DCOLON	7
     65 #define NAME	8
     66 #define STRING	9
     67 #define INSTALL	10
     68 #define NOTIFY	11
     69 #define EXCEPT	12
     70 #define PATTERN	13
     71 #define SPECIAL	14
     72 #define OPTION	15
     73 
     74 	/* lexical definitions */
     75 #define	QUOTE 	0200		/* used internally for quoted characters */
     76 #define	TRIM	0177		/* Mask to strip quote bit */
     77 
     78 	/* table sizes */
     79 #define HASHSIZE	1021
     80 #define INMAX	3500
     81 
     82 	/* option flags */
     83 #define VERIFY	0x1
     84 #define WHOLE	0x2
     85 #define YOUNGER	0x4
     86 #define COMPARE	0x8
     87 #define REMOVE	0x10
     88 #define FOLLOW	0x20
     89 #define IGNLNKS	0x40
     90 
     91 	/* expand type definitions */
     92 #define E_VARS	0x1
     93 #define E_SHELL	0x2
     94 #define E_TILDE	0x4
     95 #define E_ALL	0x7
     96 
     97 	/* actions for lookup() */
     98 #define LOOKUP	0
     99 #define INSERT	1
    100 #define REPLACE	2
    101 
    102 #define ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
    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 struct passwd *pw;	/* pointer to static area used by getpwent */
    148 extern struct group *gr;	/* pointer to static area used by getgrent */
    149 extern char host[];		/* host name of master copy */
    150 extern char buf[];		/* general purpose buffer */
    151 extern int errno;		/* system error number */
    152 
    153 char *makestr();
    154 struct namelist *makenl();
    155 struct subcmd *makesubcmd();
    156 struct namelist *lookup();
    157 struct namelist *expand();
    158 char *exptilde();
    159