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31 * Protocol description for the mount program
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 1.3 1997/02/23 09:17:29 peter Exp $";
39 %#endif /* not lint */
42 const MNTPATHLEN = 1024; /* maximum bytes in a pathname argument */
43 const MNTNAMLEN = 255; /* maximum bytes in a name argument */
44 const FHSIZE = 32; /* size in bytes of a file handle */
46 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];
57 typedef opaque fhandle3<FHSIZE3>;
61 * If a status of zero is returned, the call completed successfully, and
62 * a file handle for the directory follows. A non-zero status indicates
63 * some sort of error. The status corresponds with UNIX error numbers.
65 union fhstatus switch (unsigned fhs_status) {
74 * Status codes returned by the version 3 mount call.
77 MNT3_OK = 0, /* no error */
78 MNT3ERR_PERM = 1, /* Not owner */
79 MNT3ERR_NOENT = 2, /* No such file or directory */
80 MNT3ERR_IO = 5, /* I/O error */
81 MNT3ERR_ACCES = 13, /* Permission denied */
82 MNT3ERR_NOTDIR = 20, /* Not a directory */
83 MNT3ERR_INVAL = 22, /* Invalid argument */
84 MNT3ERR_NAMETOOLONG = 63, /* Filename too long */
85 MNT3ERR_NOTSUPP = 10004, /* Operation not supported */
86 MNT3ERR_SERVERFAULT = 10006 /* A failure on the server */
94 union mountres3 switch (mountstat3 fhs_status) {
96 mountres3_ok mountinfo;
103 * The type dirpath is the pathname of a directory
105 typedef string dirpath<MNTPATHLEN>;
108 * The type name is used for arbitrary names (hostnames, groupnames)
110 typedef string name<MNTNAMLEN>;
113 * A list of who has what mounted
115 typedef struct mountbody *mountlist;
118 dirpath ml_directory;
123 * A list of netgroups
125 typedef struct groupnode *groups;
132 * A list of what is exported and to whom
134 typedef struct exportnode *exports;
143 * Version one of the mount protocol communicates with version two
144 * of the NFS protocol. Version three communicates with
145 * version three of the NFS protocol. The only connecting
146 * point is the fhandle structure, which is the same for both
151 * Does no work. It is made available in all RPC services
152 * to allow server reponse testing and timing
155 MOUNTPROC_NULL(void) = 0;
158 * If fhs_status is 0, then fhs_fhandle contains the
159 * file handle for the directory. This file handle may
160 * be used in the NFS protocol. This procedure also adds
161 * a new entry to the mount list for this client mounting
163 * Unix authentication required.
166 MOUNTPROC_MNT(dirpath) = 1;
169 * Returns the list of remotely mounted filesystems. The
170 * mountlist contains one entry for each hostname and
174 MOUNTPROC_DUMP(void) = 2;
177 * Removes the mount list entry for the directory
178 * Unix authentication required.
181 MOUNTPROC_UMNT(dirpath) = 3;
184 * Removes all of the mount list entries for this client
185 * Unix authentication required.
188 MOUNTPROC_UMNTALL(void) = 4;
191 * Returns a list of all the exported filesystems, and which
192 * machines are allowed to import it.
195 MOUNTPROC_EXPORT(void) = 5;
198 * Identical to MOUNTPROC_EXPORT above
201 MOUNTPROC_EXPORTALL(void) = 6;
206 * Does no work. It is made available in all RPC services
207 * to allow server reponse testing and timing
210 MOUNTPROC_NULL(void) = 0;
213 * If mountres3.fhs_status is MNT3_OK, then
214 * mountres3.mountinfo contains the file handle for
215 * the directory and a list of acceptable
216 * authentication flavors. This file handle may only
217 * be used in the NFS version 3 protocol. This
218 * procedure also results in the server adding a new
219 * entry to its mount list recording that this client
220 * has mounted the directory. AUTH_UNIX authentication
221 * or better is required.
224 MOUNTPROC_MNT(dirpath) = 1;
227 * Returns the list of remotely mounted filesystems. The
228 * mountlist contains one entry for each hostname and
232 MOUNTPROC_DUMP(void) = 2;
235 * Removes the mount list entry for the directory
236 * Unix authentication required.
239 MOUNTPROC_UMNT(dirpath) = 3;
242 * Removes all of the mount list entries for this client
243 * Unix authentication required.
246 MOUNTPROC_UMNTALL(void) = 4;
249 * Returns a list of all the exported filesystems, and which
250 * machines are allowed to import it.
253 MOUNTPROC_EXPORT(void) = 5;