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31 * Protocol description for the mount program
35 %#include <sys/cdefs.h>
37 %/*static char sccsid[] = "from: @(#)mount.x 1.2 87/09/18 Copyr 1987 Sun Micro";*/
38 %/*static char sccsid[] = "from: @(#)mount.x 2.1 88/08/01 4.0 RPCSRC";*/
39 %__RCSID("$NetBSD: mount.x,v 1.5 2003/05/07 13:48:47 yamt Exp $");
40 %/* $FreeBSD: src/include/rpcsvc/mount.x,v 1.7 2003/05/04 02:51:42 obrien Exp $ */
41 %#endif /* not __lint__ */
44 const MNTPATHLEN = 1024; /* maximum bytes in a pathname argument */
45 const MNTNAMLEN = 255; /* maximum bytes in a name argument */
46 const FHSIZE = 32; /* size in bytes of a file handle */
47 const FHSIZE3 = 64; /* size in bytes of a file handle (v3) */
50 * The fhandle is the file handle that the server passes to the client.
51 * All file operations are done using the file handles to refer to a file
52 * or a directory. The file handle can contain whatever information the
53 * server needs to distinguish an individual file.
55 typedef opaque fhandle[FHSIZE];
56 typedef opaque fhandle3<FHSIZE3>;
59 * If a status of zero is returned, the call completed successfully, and
60 * a file handle for the directory follows. A non-zero status indicates
61 * some sort of error. The status corresponds with UNIX error numbers.
63 union fhstatus switch (unsigned fhs_status) {
71 * Status codes returned by the version 3 mount call.
74 MNT3_OK = 0, /* no error */
75 MNT3ERR_PERM = 1, /* Not owner */
76 MNT3ERR_NOENT = 2, /* No such file or directory */
77 MNT3ERR_IO = 5, /* I/O error */
78 MNT3ERR_ACCES = 13, /* Permission denied */
79 MNT3ERR_NOTDIR = 20, /* Not a directory */
80 MNT3ERR_INVAL = 22, /* Invalid argument */
81 MNT3ERR_NAMETOOLONG = 63, /* Filename too long */
82 MNT3ERR_NOTSUPP = 10004, /* Operation not supported */
83 MNT3ERR_SERVERFAULT = 10006 /* A failure on the server */
91 union mountres3 switch (mountstat3 fhs_status) {
93 mountres3_ok mountinfo;
99 * The type dirpath is the pathname of a directory
101 typedef string dirpath<MNTPATHLEN>;
104 * The type name is used for arbitrary names (hostnames, groupnames)
106 typedef string name<MNTNAMLEN>;
109 * A list of who has what mounted
111 typedef struct mountbody *mountlist;
114 dirpath ml_directory;
119 * A list of netgroups
121 typedef struct groupnode *groups;
128 * A list of what is exported and to whom
130 typedef struct exportnode *exports;
139 * Version one of the mount protocol communicates with version two
140 * of the NFS protocol. Version three communicates with
141 * version three of the NFS protocol. The only connecting
142 * point is the fhandle structure, which is the same for both
147 * Does no work. It is made available in all RPC services
148 * to allow server reponse testing and timing
151 MOUNTPROC_NULL(void) = 0;
154 * If fhs_status is 0, then fhs_fhandle contains the
155 * file handle for the directory. This file handle may
156 * be used in the NFS protocol. This procedure also adds
157 * a new entry to the mount list for this client mounting
159 * Unix authentication required.
162 MOUNTPROC_MNT(dirpath) = 1;
165 * Returns the list of remotely mounted filesystems. The
166 * mountlist contains one entry for each hostname and
170 MOUNTPROC_DUMP(void) = 2;
173 * Removes the mount list entry for the directory
174 * Unix authentication required.
177 MOUNTPROC_UMNT(dirpath) = 3;
180 * Removes all of the mount list entries for this client
181 * Unix authentication required.
184 MOUNTPROC_UMNTALL(void) = 4;
187 * Returns a list of all the exported filesystems, and which
188 * machines are allowed to import it.
191 MOUNTPROC_EXPORT(void) = 5;
194 * Identical to MOUNTPROC_EXPORT above
197 MOUNTPROC_EXPORTALL(void) = 6;
201 * Does no work. It is made available in all RPC services
202 * to allow server reponse testing and timing
205 MOUNTPROC_NULL(void) = 0;
208 * If mountres3.fhs_status is MNT3_OK, then
209 * mountres3.mountinfo contains the file handle for
210 * the directory and a list of acceptable
211 * authentication flavors. This file handle may only
212 * be used in the NFS version 3 protocol. This
213 * procedure also results in the server adding a new
214 * entry to its mount list recording that this client
215 * has mounted the directory. AUTH_UNIX authentication
216 * or better is required.
219 MOUNTPROC_MNT(dirpath) = 1;
222 * Returns the list of remotely mounted filesystems. The
223 * mountlist contains one entry for each hostname and
227 MOUNTPROC_DUMP(void) = 2;
230 * Removes the mount list entry for the directory
231 * Unix authentication required.
234 MOUNTPROC_UMNT(dirpath) = 3;
237 * Removes all of the mount list entries for this client
238 * Unix authentication required.
241 MOUNTPROC_UMNTALL(void) = 4;
244 * Returns a list of all the exported filesystems, and which
245 * machines are allowed to import it.
248 MOUNTPROC_EXPORT(void) = 5;