mount.x revision 1.2 
1/*	$OpenBSD: mount.x,v 1.2 1997/08/19 07:54:47 niklas Exp $	*/
2
3/*
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part.  Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user.
10 *
11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 *
15 * Sun RPC is provided with no support and without any obligation on the
16 * part of Sun Microsystems, Inc. to assist in its use, correction,
17 * modification or enhancement.
18 *
19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21 * OR ANY PART THEREOF.
22 *
23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24 * or profits or other special, indirect and consequential damages, even if
25 * Sun has been advised of the possibility of such damages.
26 *
27 * Sun Microsystems, Inc.
28 * 2550 Garcia Avenue
29 * Mountain View, California  94043
30 */
31
32/*
33 * Protocol description for the mount program
34 */
35
36#ifndef RPC_HDR
37%#ifndef lint
38%/*static char sccsid[] = "from: @(#)mount.x 1.2 87/09/18 Copyr 1987 Sun Micro";*/
39%/*static char sccsid[] = "from: @(#)mount.x	2.1 88/08/01 4.0 RPCSRC";*/
40%static char rcsid[] = "$OpenBSD: mount.x,v 1.2 1997/08/19 07:54:47 niklas Exp $";
41%#endif /* not lint */
42#endif
43
44const MNTPATHLEN = 1024;	/* maximum bytes in a pathname argument */
45const MNTNAMLEN = 255;		/* maximum bytes in a name argument */
46const FHSIZE = 32;		/* size in bytes of a file handle */
47
48/*
49 * The fhandle is the file handle that the server passes to the client.
50 * All file operations are done using the file handles to refer to a file
51 * or a directory. The file handle can contain whatever information the
52 * server needs to distinguish an individual file.
53 */
54typedef opaque fhandle[FHSIZE];
55
56/*
57 * If a status of zero is returned, the call completed successfully, and
58 * a file handle for the directory follows. A non-zero status indicates
59 * some sort of error. The status corresponds with UNIX error numbers.
60 */
61union fhstatus switch (unsigned fhs_status) {
62case 0:
63	fhandle fhs_fhandle;
64default:
65	void;
66};
67
68/*
69 * The type dirpath is the pathname of a directory
70 */
71typedef string dirpath<MNTPATHLEN>;
72
73/*
74 * The type name is used for arbitrary names (hostnames, groupnames)
75 */
76typedef string name<MNTNAMLEN>;
77
78/*
79 * A list of who has what mounted
80 */
81typedef struct mountbody *mountlist;
82struct mountbody {
83	name ml_hostname;
84	dirpath ml_directory;
85	mountlist ml_next;
86};
87
88/*
89 * A list of netgroups
90 */
91typedef struct groupnode *groups;
92struct groupnode {
93	name gr_name;
94	groups gr_next;
95};
96
97/*
98 * A list of what is exported and to whom
99 */
100typedef struct exportnode *exports;
101struct exportnode {
102	dirpath ex_dir;
103	groups ex_groups;
104	exports ex_next;
105};
106
107program MOUNTPROG {
108	/*
109	 * Version one of the mount protocol communicates with version two
110	 * of the NFS protocol. The only connecting point is the fhandle
111	 * structure, which is the same for both protocols.
112	 */
113	version MOUNTVERS {
114		/*
115		 * Does no work. It is made available in all RPC services
116		 * to allow server reponse testing and timing
117		 */
118		void
119		MOUNTPROC_NULL(void) = 0;
120
121		/*
122		 * If fhs_status is 0, then fhs_fhandle contains the
123	 	 * file handle for the directory. This file handle may
124		 * be used in the NFS protocol. This procedure also adds
125		 * a new entry to the mount list for this client mounting
126		 * the directory.
127		 * Unix authentication required.
128		 */
129		fhstatus
130		MOUNTPROC_MNT(dirpath) = 1;
131
132		/*
133		 * Returns the list of remotely mounted filesystems. The
134		 * mountlist contains one entry for each hostname and
135		 * directory pair.
136		 */
137		mountlist
138		MOUNTPROC_DUMP(void) = 2;
139
140		/*
141		 * Removes the mount list entry for the directory
142		 * Unix authentication required.
143		 */
144		void
145		MOUNTPROC_UMNT(dirpath) = 3;
146
147		/*
148		 * Removes all of the mount list entries for this client
149		 * Unix authentication required.
150		 */
151		void
152		MOUNTPROC_UMNTALL(void) = 4;
153
154		/*
155		 * Returns a list of all the exported filesystems, and which
156		 * machines are allowed to import it.
157		 */
158		exports
159		MOUNTPROC_EXPORT(void)  = 5;
160
161		/*
162		 * Identical to MOUNTPROC_EXPORT above
163		 */
164		exports
165		MOUNTPROC_EXPORTALL(void) = 6;
166	} = 1;
167} = 100005;
168