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29 * @(#)mount.x 1.2 87/09/18 Copyr 1987 Sun Micro
30 * @(#)mount.x 2.1 88/08/01 4.0 RPCSRC
31 * $FreeBSD: src/include/rpcsvc/mount.x,v 1.6 1999/08/27 23:45:08 peter Exp $
32 * $DragonFly: src/include/rpcsvc/mount.x,v 1.2 2003/06/17 04:25:58 dillon Exp $
36 * Protocol description for the mount program
39 const MNTPATHLEN = 1024; /* maximum bytes in a pathname argument */
40 const MNTNAMLEN = 255; /* maximum bytes in a name argument */
41 const FHSIZE = 32; /* size in bytes of a file handle */
43 const FHSIZE3 = 64; /* size in bytes of a file handle (v3) */
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.
52 typedef opaque fhandle[FHSIZE];
54 typedef opaque fhandle3<FHSIZE3>;
58 * If a status of zero is returned, the call completed successfully, and
59 * a file handle for the directory follows. A non-zero status indicates
60 * some sort of error. The status corresponds with UNIX error numbers.
62 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;
100 * The type dirpath is the pathname of a directory
102 typedef string dirpath<MNTPATHLEN>;
105 * The type name is used for arbitrary names (hostnames, groupnames)
107 typedef string name<MNTNAMLEN>;
110 * A list of who has what mounted
112 typedef struct mountbody *mountlist;
115 dirpath ml_directory;
120 * A list of netgroups
122 typedef struct groupnode *groups;
129 * A list of what is exported and to whom
131 typedef struct exportnode *exports;
140 * Version one of the mount protocol communicates with version two
141 * of the NFS protocol. Version three communicates with
142 * version three of the NFS protocol. The only connecting
143 * point is the fhandle structure, which is the same for both
148 * Does no work. It is made available in all RPC services
149 * to allow server reponse testing and timing
152 MOUNTPROC_NULL(void) = 0;
155 * If fhs_status is 0, then fhs_fhandle contains the
156 * file handle for the directory. This file handle may
157 * be used in the NFS protocol. This procedure also adds
158 * a new entry to the mount list for this client mounting
160 * Unix authentication required.
163 MOUNTPROC_MNT(dirpath) = 1;
166 * Returns the list of remotely mounted filesystems. The
167 * mountlist contains one entry for each hostname and
171 MOUNTPROC_DUMP(void) = 2;
174 * Removes the mount list entry for the directory
175 * Unix authentication required.
178 MOUNTPROC_UMNT(dirpath) = 3;
181 * Removes all of the mount list entries for this client
182 * Unix authentication required.
185 MOUNTPROC_UMNTALL(void) = 4;
188 * Returns a list of all the exported filesystems, and which
189 * machines are allowed to import it.
192 MOUNTPROC_EXPORT(void) = 5;
195 * Identical to MOUNTPROC_EXPORT above
198 MOUNTPROC_EXPORTALL(void) = 6;
203 * Does no work. It is made available in all RPC services
204 * to allow server reponse testing and timing
207 MOUNTPROC_NULL(void) = 0;
210 * If mountres3.fhs_status is MNT3_OK, then
211 * mountres3.mountinfo contains the file handle for
212 * the directory and a list of acceptable
213 * authentication flavors. This file handle may only
214 * be used in the NFS version 3 protocol. This
215 * procedure also results in the server adding a new
216 * entry to its mount list recording that this client
217 * has mounted the directory. AUTH_UNIX authentication
218 * or better is required.
221 MOUNTPROC_MNT(dirpath) = 1;
224 * Returns the list of remotely mounted filesystems. The
225 * mountlist contains one entry for each hostname and
229 MOUNTPROC_DUMP(void) = 2;
232 * Removes the mount list entry for the directory
233 * Unix authentication required.
236 MOUNTPROC_UMNT(dirpath) = 3;
239 * Removes all of the mount list entries for this client
240 * Unix authentication required.
243 MOUNTPROC_UMNTALL(void) = 4;
246 * Returns a list of all the exported filesystems, and which
247 * machines are allowed to import it.
250 MOUNTPROC_EXPORT(void) = 5;