mount.x revision 1.1 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California  94043
28 */
29
30/*
31 * Protocol description for the mount program
32 */
33
34#ifndef RPC_HDR
35%#ifndef lint
36%/*static char sccsid[] = "from: @(#)mount.x 1.2 87/09/18 Copyr 1987 Sun Micro";*/
37%/*static char sccsid[] = "from: @(#)mount.x	2.1 88/08/01 4.0 RPCSRC";*/
38%static char rcsid[] = "$Id: mount.x,v 1.1 1995/10/18 08:43:10 deraadt Exp $";
39%#endif /* not lint */
40#endif
41
42const MNTPATHLEN = 1024;	/* maximum bytes in a pathname argument */
43const MNTNAMLEN = 255;		/* maximum bytes in a name argument */
44const FHSIZE = 32;		/* size in bytes of a file handle */
45
46/*
47 * The fhandle is the file handle that the server passes to the client.
48 * All file operations are done using the file handles to refer to a file
49 * or a directory. The file handle can contain whatever information the
50 * server needs to distinguish an individual file.
51 */
52typedef opaque fhandle[FHSIZE];
53
54/*
55 * If a status of zero is returned, the call completed successfully, and
56 * a file handle for the directory follows. A non-zero status indicates
57 * some sort of error. The status corresponds with UNIX error numbers.
58 */
59union fhstatus switch (unsigned fhs_status) {
60case 0:
61	fhandle fhs_fhandle;
62default:
63	void;
64};
65
66/*
67 * The type dirpath is the pathname of a directory
68 */
69typedef string dirpath<MNTPATHLEN>;
70
71/*
72 * The type name is used for arbitrary names (hostnames, groupnames)
73 */
74typedef string name<MNTNAMLEN>;
75
76/*
77 * A list of who has what mounted
78 */
79typedef struct mountbody *mountlist;
80struct mountbody {
81	name ml_hostname;
82	dirpath ml_directory;
83	mountlist ml_next;
84};
85
86/*
87 * A list of netgroups
88 */
89typedef struct groupnode *groups;
90struct groupnode {
91	name gr_name;
92	groups gr_next;
93};
94
95/*
96 * A list of what is exported and to whom
97 */
98typedef struct exportnode *exports;
99struct exportnode {
100	dirpath ex_dir;
101	groups ex_groups;
102	exports ex_next;
103};
104
105program MOUNTPROG {
106	/*
107	 * Version one of the mount protocol communicates with version two
108	 * of the NFS protocol. The only connecting point is the fhandle
109	 * structure, which is the same for both protocols.
110	 */
111	version MOUNTVERS {
112		/*
113		 * Does no work. It is made available in all RPC services
114		 * to allow server reponse testing and timing
115		 */
116		void
117		MOUNTPROC_NULL(void) = 0;
118
119		/*
120		 * If fhs_status is 0, then fhs_fhandle contains the
121	 	 * file handle for the directory. This file handle may
122		 * be used in the NFS protocol. This procedure also adds
123		 * a new entry to the mount list for this client mounting
124		 * the directory.
125		 * Unix authentication required.
126		 */
127		fhstatus
128		MOUNTPROC_MNT(dirpath) = 1;
129
130		/*
131		 * Returns the list of remotely mounted filesystems. The
132		 * mountlist contains one entry for each hostname and
133		 * directory pair.
134		 */
135		mountlist
136		MOUNTPROC_DUMP(void) = 2;
137
138		/*
139		 * Removes the mount list entry for the directory
140		 * Unix authentication required.
141		 */
142		void
143		MOUNTPROC_UMNT(dirpath) = 3;
144
145		/*
146		 * Removes all of the mount list entries for this client
147		 * Unix authentication required.
148		 */
149		void
150		MOUNTPROC_UMNTALL(void) = 4;
151
152		/*
153		 * Returns a list of all the exported filesystems, and which
154		 * machines are allowed to import it.
155		 */
156		exports
157		MOUNTPROC_EXPORT(void)  = 5;
158
159		/*
160		 * Identical to MOUNTPROC_EXPORT above
161		 */
162		exports
163		MOUNTPROC_EXPORTALL(void) = 6;
164	} = 1;
165} = 100005;
166