summaryrefslogtreecommitdiff
path: root/usr.bin/rdist/client.h
blob: 2242de7f53a611fd084c7055f86c5a00e0b17744 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
/*	$OpenBSD: client.h,v 1.3 2017/08/30 07:42:52 otto Exp $	*/

#ifndef __CLIENT_H__
#define __CLIENT_H__
/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * $From: defs.h,v 1.6 2001/03/12 18:16:30 kim Exp $
 * @(#)defs.h      5.2 (Berkeley) 3/20/86
 */

#include <sys/stat.h>
#include <regex.h>
#include <stdio.h>

#include "defs.h"

	/* lexical definitions */
#define	QUOTECHAR	160U	/* quote next character */

	/* table sizes */
#define HASHSIZE	1021
#define INMAX		3500

	/* expand type definitions */
#define E_VARS		0x1
#define E_SHELL		0x2
#define E_TILDE		0x4
#define E_ALL		0x7

	/* actions for lookup() */
#define LOOKUP		0
#define INSERT		1
#define REPLACE		2

#define ALLOC(x) 	xmalloc(sizeof(struct x))
#define A(s)		((s) ? s : "<null>")


#define COMMENT_CHAR	'#'		/* Config file comment char */


/*
 * Name list
 */
struct namelist {		/* for making lists of strings */
	char	*n_name;
	regex_t	*n_regex;
	struct	namelist *n_next;
};

/*
 * Sub command structure
 */
struct subcmd {
	short	sc_type;	/* type - INSTALL,NOTIFY,EXCEPT,SPECIAL */
	opt_t	sc_options;
	char	*sc_name;
	struct	namelist *sc_args;
	struct	subcmd *sc_next;
};

/*
 * Cmd flags
 */
#define CMD_ASSIGNED	0x01	/* This entry has been assigned */
#define CMD_CONNFAILED	0x02	/* Connection failed */
#define CMD_NOCHKNFS	0x04	/* Disable NFS checks */

/*
 * General command structure
 */
struct cmd {
	int	c_type;		/* type - ARROW,DCOLON */
	int	c_flags;	/* flags - CMD_USED,CMD_FAILED */
	char	*c_name;	/* hostname or time stamp file name */
	char	*c_label;	/* label for partial update */
	struct	namelist *c_files;
	struct	subcmd *c_cmds;
	struct	cmd *c_next;
};

/*
 * Hard link buffer information
 */
struct linkbuf {
	ino_t	inum;
	dev_t	devnum;
	int	count;
	char	*pathname;
	char	*src;
	char	*target;
	struct	linkbuf *nextp;
};

extern char	       *path_remsh;	/* Remote shell command */
extern char 		host[];		/* Host name of master copy */
extern char 	      **realargv;	/* Real argv */
extern char	       *homedir;	/* User's $HOME */
extern int 		do_fork;	/* Should we do fork()'ing */
extern int 		nflag;		/* NOP flag, don't execute commands */
extern int 		realargc;	/* Real argc */
extern int		setjmp_ok;	/* setjmp/longjmp flag */
extern int		maxchildren;	/* Max active children */
extern int64_t		min_freespace;	/* Min filesys free space */
extern int64_t		min_freefiles;	/* Min filesys free # files */
extern struct linkbuf  *ihead;	/* list of files with more than one link */
extern struct subcmd   *subcmds;/* list of sub-commands for current cmd */
extern struct namelist *filelist;	/* list of source files */
extern struct cmd      *cmds;		/* Initialized by yyparse() */

extern char 		target[BUFSIZ];	/* target/source directory name */
extern char 	       *ptarget;	/* pointer to end of target name */
extern int		activechildren;	/* Number of active children */
extern int		amchild;	/* This PID is a child */
extern char	       *path_rdistd;
extern char	       *remotemsglist;

/*
 * Our own declarations.
 */

/* child.c */
void waitup(void);
int spawn(struct cmd *, struct cmd *);

/* client.c */
char *remfilename(char *, char *, char *, char *, int);
int inlist(struct namelist *, char *);
void runcmdspecial(struct cmd *, opt_t);
int checkfilename(char *);
void freelinkinfo(struct linkbuf *);
int install(char *, char *, int, int , opt_t);

/* distopt.c */
int parsedistopts(char *, opt_t *, int);
char *getdistoptlist(void);
char *getondistoptlist(opt_t);

/* docmd.c */
void markassigned(struct cmd *, struct cmd *);
int okname(char *);
int except(char *);
void docmds(struct namelist *, int, char **);

/* expand.c */
struct namelist *expand(struct namelist *, int);
u_char *xstrchr(u_char *, int);
void expstr(u_char *);
void expsh(u_char *);
void matchdir(char *);
int execbrc(u_char *, u_char *);
int match(char *, char *);
int amatch(char *, u_char *);

/* gram.c */
int yylex(void);
int any(int, char *);
void insert(char *, struct namelist *, struct namelist *, struct subcmd *);
void append(char *, struct namelist *, char *, struct subcmd *);
void yyerror(char *);
struct namelist *makenl(char *);
struct subcmd *makesubcmd(int);
int yyparse(void);

/* isexec.c */
int isexec(char *, struct stat *);

/* lookup.c */
void define(char *);
struct namelist *lookup(char *, int, struct namelist *);

/* rdist.c */
FILE *opendist(char *);
void docmdargs(int, char *[]);
char *getnlstr(struct namelist *);

#endif	/* __CLIENT_H__ */