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1.1 root 1: /*
2: * $Id: mount.x,v 5.2 90/06/23 22:20:19 jsp Rel $
3: *
4: * Copyright (c) 1990 Jan-Simon Pendry
5: * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
6: * Copyright (c) 1990 The Regents of the University of California.
7: * All rights reserved.
8: *
9: * This code is derived from software contributed to Berkeley by
10: * Jan-Simon Pendry at Imperial College, London.
11: *
12: * Redistribution and use in source and binary forms are permitted provided
13: * that: (1) source distributions retain this entire copyright notice and
14: * comment, and (2) distributions including binaries display the following
15: * acknowledgement: ``This product includes software developed by the
16: * University of California, Berkeley and its contributors'' in the
17: * documentation or other materials provided with the distribution and in
18: * all advertising materials mentioning features or use of this software.
19: * Neither the name of the University nor the names of its contributors may
20: * be used to endorse or promote products derived from this software without
21: * specific prior written permission.
22: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
23: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
24: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
25: *
26: * @(#)mount.x 5.1 (Berkeley) 7/19/90
27: */
28:
29: /*
30: * Protocol description for the mount program
31: */
32:
33:
34: const MNTPATHLEN = 1024; /* maximum bytes in a pathname argument */
35: const MNTNAMLEN = 255; /* maximum bytes in a name argument */
36: const FHSIZE = 32; /* size in bytes of a file handle */
37:
38: /*
39: * The fhandle is the file handle that the server passes to the client.
40: * All file operations are done using the file handles to refer to a file
41: * or a directory. The file handle can contain whatever information the
42: * server needs to distinguish an individual file.
43: */
44: typedef opaque fhandle[FHSIZE];
45:
46: /*
47: * If a status of zero is returned, the call completed successfully, and
48: * a file handle for the directory follows. A non-zero status indicates
49: * some sort of error. The status corresponds with UNIX error numbers.
50: */
51: union fhstatus switch (unsigned fhs_status) {
52: case 0:
53: fhandle fhs_fhandle;
54: default:
55: void;
56: };
57:
58: /*
59: * The type dirpath is the pathname of a directory
60: */
61: typedef string dirpath<MNTPATHLEN>;
62:
63: /*
64: * The type name is used for arbitrary names (hostnames, groupnames)
65: */
66: typedef string name<MNTNAMLEN>;
67:
68: /*
69: * A list of who has what mounted
70: */
71: typedef struct mountbody *mountlist;
72: struct mountbody {
73: name ml_hostname;
74: dirpath ml_directory;
75: mountlist ml_next;
76: };
77:
78: /*
79: * A list of netgroups
80: */
81: typedef struct groupnode *groups;
82: struct groupnode {
83: name gr_name;
84: groups gr_next;
85: };
86:
87: /*
88: * A list of what is exported and to whom
89: */
90: typedef struct exportnode *exports;
91: struct exportnode {
92: dirpath ex_dir;
93: groups ex_groups;
94: exports ex_next;
95: };
96:
97: program MOUNTPROG {
98: /*
99: * Version one of the mount protocol communicates with version two
100: * of the NFS protocol. The only connecting point is the fhandle
101: * structure, which is the same for both protocols.
102: */
103: version MOUNTVERS {
104: /*
105: * Does no work. It is made available in all RPC services
106: * to allow server reponse testing and timing
107: */
108: void
109: MOUNTPROC_NULL(void) = 0;
110:
111: /*
112: * If fhs_status is 0, then fhs_fhandle contains the
113: * file handle for the directory. This file handle may
114: * be used in the NFS protocol. This procedure also adds
115: * a new entry to the mount list for this client mounting
116: * the directory.
117: * Unix authentication required.
118: */
119: fhstatus
120: MOUNTPROC_MNT(dirpath) = 1;
121:
122: /*
123: * Returns the list of remotely mounted filesystems. The
124: * mountlist contains one entry for each hostname and
125: * directory pair.
126: */
127: mountlist
128: MOUNTPROC_DUMP(void) = 2;
129:
130: /*
131: * Removes the mount list entry for the directory
132: * Unix authentication required.
133: */
134: void
135: MOUNTPROC_UMNT(dirpath) = 3;
136:
137: /*
138: * Removes all of the mount list entries for this client
139: * Unix authentication required.
140: */
141: void
142: MOUNTPROC_UMNTALL(void) = 4;
143:
144: /*
145: * Returns a list of all the exported filesystems, and which
146: * machines are allowed to import it.
147: */
148: exports
149: MOUNTPROC_EXPORT(void) = 5;
150:
151: /*
152: * Identical to MOUNTPROC_EXPORT above
153: */
154: exports
155: MOUNTPROC_EXPORTALL(void) = 6;
156: } = 1;
157: } = 100005;
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