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. 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  *      @(#)defs.h      8.1 (Berkeley) 6/9/93
  34  * $DragonFly: src/usr.bin/rdist/defs.h,v 1.5 2004/07/24 19:45:10 eirikn Exp $
  35  */
  36
  37 #include <sys/param.h>
  38 #include <sys/stat.h>
  39 #include <sys/time.h>
  40 #include <sys/file.h>
  41
  42 #include <netinet/in.h>
  43
  44 #include <ctype.h>
  45 #include <dirent.h>
  46 #include <errno.h>
  47 #include <grp.h>
  48 #include <pwd.h>
  49 #include <stdio.h>
  50 #include <stdlib.h>
  51 #include <string.h>
  52 #include <unistd.h>
  53
  54 #include "pathnames.h"
  55
  56 /*
  57  * The version number should be changed whenever the protocol changes.
  58  */
  59 #define VERSION  3
  60
  61         /* defines for yacc */
  62 #define EQUAL   1
  63 #define LP      2
  64 #define RP      3
  65 #define SM      4
  66 #define ARROW   5
  67 #define COLON   6
  68 #define DCOLON  7
  69 #define NAME    8
  70 #define STRING  9
  71 #define INSTALL 10
  72 #define NOTIFY  11
  73 #define EXCEPT  12
  74 #define PATTERN 13
  75 #define SPECIAL 14
  76 #define OPTION  15
  77
  78         /* lexical definitions */
  79 #define QUOTE   0200            /* used internally for quoted characters */
  80 #define TRIM    0177            /* Mask to strip quote bit */
  81
  82         /* table sizes */
  83 #define HASHSIZE        1021
  84 #define INMAX   3500
  85
  86         /* option flags */
  87 #define VERIFY  0x1
  88 #define WHOLE   0x2
  89 #define YOUNGER 0x4
  90 #define COMPARE 0x8
  91 #define REMOVE  0x10
  92 #define FOLLOW  0x20
  93 #define IGNLNKS 0x40
  94
  95         /* expand type definitions */
  96 #define E_VARS  0x1
  97 #define E_SHELL 0x2
  98 #define E_TILDE 0x4
  99 #define E_ALL   0x7
 100
 101         /* actions for lookup() */
 102 #define LOOKUP  0
 103 #define INSERT  1
 104 #define REPLACE 2
 105
 106 #define ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
 107
 108 #define ALLOC(x) (struct x *) malloc(sizeof(struct x))
 109
 110 /*
 111  * RSH Time Out interval (in seconds).
 112  * Should be long enough to allow rsh to even the slowest hosts.
 113  */
 114 #define RTIMEOUT        180
 115
 116
 117 struct namelist {       /* for making lists of strings */
 118         char    *n_name;
 119         struct  namelist *n_next;
 120 };
 121
 122 struct subcmd {
 123         short   sc_type;        /* type - INSTALL,NOTIFY,EXCEPT,SPECIAL */
 124         short   sc_options;
 125         char    *sc_name;
 126         struct  namelist *sc_args;
 127         struct  subcmd *sc_next;
 128 };
 129
 130 struct cmd {
 131         int     c_type;         /* type - ARROW,DCOLON */
 132         char    *c_name;        /* hostname or time stamp file name */
 133         char    *c_label;       /* label for partial update */
 134         struct  namelist *c_files;
 135         struct  subcmd *c_cmds;
 136         struct  cmd *c_next;
 137 };
 138
 139 struct linkbuf {
 140         ino_t   inum;
 141         dev_t   devnum;
 142         int     count;
 143         char    pathname[BUFSIZ];
 144         char    src[BUFSIZ];
 145         char    target[BUFSIZ];
 146         struct  linkbuf *nextp;
 147 };
 148
 149 extern int debug;               /* debugging flag */
 150 extern int nflag;               /* NOP flag, don't execute commands */
 151 extern int qflag;               /* Quiet. don't print messages */
 152 extern int options;             /* global options */
 153
 154 extern int nerrs;               /* number of errors seen */
 155 extern int rem;                 /* remote file descriptor */
 156 extern int iamremote;           /* acting as remote server */
 157 extern char tempfile[];         /* file name for logging changes */
 158 extern struct linkbuf *ihead;   /* list of files with more than one link */
 159 extern struct passwd *pw;       /* pointer to static area used by getpwent */
 160 extern struct group *gr;        /* pointer to static area used by getgrent */
 161 extern char host[];             /* host name of master copy */
 162 extern char buf[BUFSIZ];        /* general purpose buffer */
 163 extern char target[BUFSIZ];     /* target/source directory name */
 164 extern char *path_rsh;          /* rsh command to use */
 165
 166 int      any(int, char *);
 167 char    *colon(char *);
 168 void     cleanup(int);
 169 void     define(char *);
 170 void     docmds(char **, int, char **);
 171 void     error(const char *, ...);
 172 int      except(char *);
 173 struct namelist *
 174          expand(struct namelist *, int);
 175 char    *exptilde(char [], char *, int);
 176 void     fatal(const char *, ...);
 177 int      inlist(struct namelist *, char *);
 178 void     insert(char *,
 179             struct namelist *, struct namelist *, struct subcmd *);
 180 void     install(char *, char *, int, int);
 181 void     log(FILE *, const char *, ...);
 182 struct namelist *
 183          lookup(char *, int, struct namelist *);
 184 void     lostconn(int);
 185 struct namelist *
 186          makenl(char *);
 187 struct subcmd *
 188          makesubcmd(int);
 189 void     prnames(struct namelist *);
 190 void     server(void);
 191 void     yyerror(char *);
 192 int      yyparse(void);
 193 int      rshrcmd(char **, u_short, char *, char *, char *, int *);