usr.bin/rdist/defs.h

   1 /*      $NetBSD: defs.h,v 1.17 2006/03/18 09:46:35 christos 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);
 155 void     define(char *);
 156 void     docmds(char **, int, char **);
 157 void     error(const char *, ...)
 158      __attribute__((__format__(__printf__, 1, 2))) ;
 159 int      except(char *);
 160 struct namelist *
 161          expand(struct namelist *, int);
 162 char    *exptilde(char [], char *);
 163 void     fatal(const char *, ...)
 164      __attribute__((__format__(__printf__, 1, 2)));
 165 int      inlist(struct namelist *, char *);
 166 void     insert(char *,
 167             struct namelist *, struct namelist *, struct subcmd *);
 168 void     install(char *, char *, int, int);
 169 void     dolog(FILE *, const char *, ...)
 170      __attribute__((__format__(__printf__, 2, 3)));
 171 struct namelist *
 172          lookup(char *, int, struct namelist *);
 173 void     lostconn(int);
 174 struct namelist *
 175          makenl(char *);
 176 void     freenl(struct namelist *);
 177 struct subcmd *
 178          makesubcmd(int);
 179 void     freesubcmd(struct subcmd *);
 180 void     prnames(struct namelist *);
 181 void     server(void);
 182 void     yyerror(const char *);
 183 int      yyparse(void);