xref: /freebsd/usr.sbin/autofs/common.h (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /*-
2  * Copyright (c) 2014 The FreeBSD Foundation
3  * All rights reserved.
4  *
5  * This software was developed by Edward Tomasz Napierala under sponsorship
6  * from the FreeBSD Foundation.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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  * $FreeBSD$
30  */
31 
32 #ifndef AUTOMOUNTD_H
33 #define	AUTOMOUNTD_H
34 
35 #include <sys/queue.h>
36 #include <stdbool.h>
37 
38 #define	AUTO_MASTER_PATH	"/etc/auto_master"
39 #define	AUTO_MAP_PREFIX		"/etc"
40 #define	AUTO_SPECIAL_PREFIX	"/etc/autofs"
41 #define	AUTO_INCLUDE_PATH	AUTO_SPECIAL_PREFIX "/include"
42 
43 struct node {
44 	TAILQ_ENTRY(node)	n_next;
45 	TAILQ_HEAD(nodehead, node)	n_children;
46 	struct node		*n_parent;
47 	char			*n_key;
48 	char			*n_options;
49 	char			*n_location;
50 	char			*n_map;
51 	const char		*n_config_file;
52 	int			n_config_line;
53 };
54 
55 struct defined_value {
56 	TAILQ_ENTRY(defined_value)	d_next;
57 	char				*d_name;
58 	char				*d_value;
59 };
60 
61 void	log_init(int level);
62 void	log_set_peer_name(const char *name);
63 void	log_set_peer_addr(const char *addr);
64 void	log_err(int, const char *, ...)
65 	    __dead2 __printf0like(2, 3);
66 void	log_errx(int, const char *, ...)
67 	    __dead2 __printf0like(2, 3);
68 void	log_warn(const char *, ...) __printf0like(1, 2);
69 void	log_warnx(const char *, ...) __printflike(1, 2);
70 void	log_debugx(const char *, ...) __printf0like(1, 2);
71 
72 char	*checked_strdup(const char *);
73 char	*separated_concat(const char *s1, const char *s2, char separator);
74 void	create_directory(const char *path);
75 
76 struct node	*node_new_root(void);
77 struct node	*node_new(struct node *parent, char *key, char *options,
78 		    char *location, const char *config_file, int config_line);
79 struct node	*node_new_map(struct node *parent, char *key, char *options,
80 		    char *map, const char *config_file, int config_line);
81 struct node	*node_find(struct node *root, const char *mountpoint);
82 bool		node_is_direct_map(const struct node *n);
83 char	*node_path(const struct node *n);
84 char	*node_options(const struct node *n);
85 void	node_expand_ampersand(struct node *root, const char *key);
86 void	node_expand_wildcard(struct node *root, const char *key);
87 int	node_expand_defined(struct node *root);
88 void	node_expand_indirect_maps(struct node *n);
89 void	node_print(const struct node *n);
90 void	parse_master(struct node *root, const char *path);
91 void	parse_map(struct node *parent, const char *map, const char *args);
92 char	*defined_expand(const char *string);
93 void	defined_init(void);
94 void	defined_parse_and_add(char *def);
95 void	lesser_daemon(void);
96 
97 int	main_automount(int argc, char **argv);
98 int	main_automountd(int argc, char **argv);
99 int	main_autounmountd(int argc, char **argv);
100 
101 FILE	*auto_popen(const char *argv0, ...);
102 int	auto_pclose(FILE *iop);
103 
104 /*
105  * lex(1) stuff.
106  */
107 extern int lineno;
108 
109 #define	STR	1
110 #define	NEWLINE	2
111 
112 #endif /* !AUTOMOUNTD_H */
113