usr.bin/rdist/defs.h

   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. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      @(#)defs.h      8.1 (Berkeley) 6/9/93
  30  * $DragonFly: src/usr.bin/rdist/defs.h,v 1.5 2004/07/24 19:45:10 eirikn Exp $
  31  */
  32
  33 #include <sys/param.h>
  34 #include <sys/stat.h>
  35 #include <sys/time.h>
  36 #include <sys/file.h>
  37
  38 #include <netinet/in.h>
  39
  40 #include <ctype.h>
  41 #include <dirent.h>
  42 #include <errno.h>
  43 #include <grp.h>
  44 #include <pwd.h>
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48 #include <unistd.h>
  49
  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 /*
 107  * RSH Time Out interval (in seconds).
 108  * Should be long enough to allow rsh to even the slowest hosts.
 109  */
 110 #define RTIMEOUT        180
 111
 112
 113 struct namelist {       /* for making lists of strings */
 114         char    *n_name;
 115         struct  namelist *n_next;
 116 };
 117
 118 struct subcmd {
 119         short   sc_type;        /* type - INSTALL,NOTIFY,EXCEPT,SPECIAL */
 120         short   sc_options;
 121         char    *sc_name;
 122         struct  namelist *sc_args;
 123         struct  subcmd *sc_next;
 124 };
 125
 126 struct cmd {
 127         int     c_type;         /* type - ARROW,DCOLON */
 128         char    *c_name;        /* hostname or time stamp file name */
 129         char    *c_label;       /* label for partial update */
 130         struct  namelist *c_files;
 131         struct  subcmd *c_cmds;
 132         struct  cmd *c_next;
 133 };
 134
 135 struct linkbuf {
 136         ino_t   inum;
 137         dev_t   devnum;
 138         int     count;
 139         char    pathname[BUFSIZ];
 140         char    src[BUFSIZ];
 141         char    target[BUFSIZ];
 142         struct  linkbuf *nextp;
 143 };
 144
 145 extern int debug;               /* debugging flag */
 146 extern int nflag;               /* NOP flag, don't execute commands */
 147 extern int qflag;               /* Quiet. don't print messages */
 148 extern int options;             /* global options */
 149
 150 extern int nerrs;               /* number of errors seen */
 151 extern int rem;                 /* remote file descriptor */
 152 extern int iamremote;           /* acting as remote server */
 153 extern char tempfile[];         /* file name for logging changes */
 154 extern struct linkbuf *ihead;   /* list of files with more than one link */
 155 extern struct passwd *pw;       /* pointer to static area used by getpwent */
 156 extern struct group *gr;        /* pointer to static area used by getgrent */
 157 extern char host[];             /* host name of master copy */
 158 extern char buf[BUFSIZ];        /* general purpose buffer */
 159 extern char target[BUFSIZ];     /* target/source directory name */
 160 extern char *path_rsh;          /* rsh command to use */
 161
 162 int      any(int, char *);
 163 char    *colon(char *);
 164 void     cleanup(int);
 165 void     define(char *);
 166 void     docmds(char **, int, char **);
 167 void     error(const char *, ...) __printflike(1, 2);
 168 int      except(char *);
 169 struct namelist *
 170          expand(struct namelist *, int);
 171 char    *exptilde(char [], char *, int);
 172 void     fatal(const char *, ...) __printflike(1, 2);
 173 int      inlist(struct namelist *, char *);
 174 void     insert(char *,
 175             struct namelist *, struct namelist *, struct subcmd *);
 176 void     install(char *, char *, int, int);
 177 void     dolog(FILE *, const char *, ...) __printflike(2, 3);
 178 struct namelist *
 179          lookup(char *, int, struct namelist *);
 180 void     lostconn(int);
 181 struct namelist *
 182          makenl(char *);
 183 struct subcmd *
 184          makesubcmd(int);
 185 void     prnames(struct namelist *);
 186 void     server(void);
 187 void     yyerror(char *);
 188 int      yyparse(void);
 189 int      rshrcmd(char **, u_short, char *, char *, char *, int *);