about summary refs log tree commit diff
path: root/sunrpc/rpcsvc/mount.x
blob: ed3b339c49ff0d82004887cc2a8333dfbbaf18a8 (plain) (blame)
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
/* @(#)mount.x	2.1 88/08/01 4.0 RPCSRC */

/*
 * Copyright (c) 2010, Oracle America, Inc.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the "Oracle America, Inc." 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 COPYRIGHT HOLDERS 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
 *   COPYRIGHT HOLDER 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.
 */

/*
 * Protocol description for the mount program
 */


const MNTPATHLEN = 1024;	/* maximum bytes in a pathname argument */
const MNTNAMLEN = 255;		/* maximum bytes in a name argument */
const FHSIZE = 32;		/* size in bytes of a file handle */

/*
 * The fhandle is the file handle that the server passes to the client.
 * All file operations are done using the file handles to refer to a file
 * or a directory. The file handle can contain whatever information the
 * server needs to distinguish an individual file.
 */
typedef opaque fhandle[FHSIZE];

/*
 * If a status of zero is returned, the call completed successfully, and
 * a file handle for the directory follows. A non-zero status indicates
 * some sort of error. The status corresponds with UNIX error numbers.
 */
union fhstatus switch (unsigned fhs_status) {
case 0:
	fhandle fhs_fhandle;
default:
	void;
};

/*
 * The type dirpath is the pathname of a directory
 */
typedef string dirpath<MNTPATHLEN>;

/*
 * The type name is used for arbitrary names (hostnames, groupnames)
 */
typedef string name<MNTNAMLEN>;

/*
 * A list of who has what mounted
 */
typedef struct mountbody *mountlist;
struct mountbody {
	name ml_hostname;
	dirpath ml_directory;
	mountlist ml_next;
};

/*
 * A list of netgroups
 */
typedef struct groupnode *groups;
struct groupnode {
	name gr_name;
	groups gr_next;
};

/*
 * A list of what is exported and to whom
 */
typedef struct exportnode *exports;
struct exportnode {
	dirpath ex_dir;
	groups ex_groups;
	exports ex_next;
};

program MOUNTPROG {
	/*
	 * Version one of the mount protocol communicates with version two
	 * of the NFS protocol. The only connecting point is the fhandle
	 * structure, which is the same for both protocols.
	 */
	version MOUNTVERS {
		/*
		 * Does no work. It is made available in all RPC services
		 * to allow server response testing and timing
		 */
		void
		MOUNTPROC_NULL(void) = 0;

		/*
		 * If fhs_status is 0, then fhs_fhandle contains the
		 * file handle for the directory. This file handle may
		 * be used in the NFS protocol. This procedure also adds
		 * a new entry to the mount list for this client mounting
		 * the directory.
		 * Unix authentication required.
		 */
		fhstatus
		MOUNTPROC_MNT(dirpath) = 1;

		/*
		 * Returns the list of remotely mounted filesystems. The
		 * mountlist contains one entry for each hostname and
		 * directory pair.
		 */
		mountlist
		MOUNTPROC_DUMP(void) = 2;

		/*
		 * Removes the mount list entry for the directory
		 * Unix authentication required.
		 */
		void
		MOUNTPROC_UMNT(dirpath) = 3;

		/*
		 * Removes all of the mount list entries for this client
		 * Unix authentication required.
		 */
		void
		MOUNTPROC_UMNTALL(void) = 4;

		/*
		 * Returns a list of all the exported filesystems, and which
		 * machines are allowed to import it.
		 */
		exports
		MOUNTPROC_EXPORT(void)  = 5;

		/*
		 * Identical to MOUNTPROC_EXPORT above
		 */
		exports
		MOUNTPROC_EXPORTALL(void) = 6;
	} = 1;
} = 100005;