wireshark/packet-nfs.c

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/* packet-nfs.c
* Routines for nfs dissection
* Copyright 1999, Uwe Girlich <Uwe.Girlich@philosys.de>
*
* $Id: packet-nfs.c,v 1.2 1999/11/05 07:16:23 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@unicom.net>
* Copyright 1998 Gerald Combs
*
* Copied from packet-smb.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include "packet-rpc.h"
#include "packet-nfs.h"
static int proto_nfs = -1;
/***************************/
/* NFS Version 2, RFC 1094 */
/***************************/
/* base 32 bit type for NFS v2 */
int
dissect_unsigned_int(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
offset = dissect_rpc_uint32(pd,offset,fd,tree,name,"unsigned int");
return offset;
}
/* RFC 1094, Page 12 */
int
dissect_stat(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name, guint32* status)
{
guint32 stat;
char* stat_name = NULL;
const value_string nfs2_stat[] =
{
{ 0, "OK" },
{ 1, "ERR_PERM" },
{ 2, "ERR_NOENT" },
{ 5, "ERR_IO" },
{ 6, "ERR_NX_IO" },
{ 13, "ERR_ACCES" },
{ 17, "ERR_EXIST" },
{ 19, "ERR_NODEV" },
{ 20, "ERR_NOTDIR" },
{ 21, "ERR_ISDIR" },
{ 27, "ERR_FBIG" },
{ 28, "ERR_NOSPC" },
{ 30, "ERR_ROFS" },
{ 63, "ERR_NAMETOOLONG" },
{ 66, "ERR_NOTEMPTY" },
{ 69, "ERR_DQUOT" },
{ 70, "ERR_STALE" },
{ 99, "ERR_WFLUSH" },
{ 0, NULL }
};
if (!BYTES_ARE_IN_FRAME(offset,4)) return offset;
stat = EXTRACT_UINT(pd, offset+0);
stat_name = val_to_str(stat, nfs2_stat, "%u");
if (tree) {
proto_tree_add_text(tree, offset, 4,
"%s (stat): %s (%u)", name, stat_name, stat);
}
offset += 4;
*status = stat;
return offset;
}
/* RFC 1094, Page 15 */
int
dissect_ftype(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
guint32 ftype;
char* ftype_name = NULL;
const value_string nfs2_ftype[] =
{
{ 0, "Non-File" },
{ 1, "Regular File" },
{ 2, "Directory" },
{ 3, "Block Special Device" },
{ 4, "Character Special Device" },
{ 5, "Symbolic Link" },
{ 0, NULL }
};
if (!BYTES_ARE_IN_FRAME(offset,4)) return offset;
ftype = EXTRACT_UINT(pd, offset+0);
ftype_name = val_to_str(ftype, nfs2_ftype, "%u");
if (tree) {
proto_tree_add_text(tree, offset, 4,
"%s (ftype): %s (%u)", name, ftype_name, ftype);
}
offset += 4;
return offset;
}
/* RFC 1094, Page 15 */
int
dissect_fhandle(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, char* name)
{
proto_item* fitem;
proto_tree* ftree = NULL;
if (tree) {
fitem = proto_tree_add_text(tree, offset, FHSIZE,
"%s (fhandle)", name);
if (fitem)
ftree = proto_item_add_subtree(fitem, ETT_NFS_FHANDLE);
}
if (ftree) {
proto_tree_add_text(ftree,offset+0,FHSIZE,
"file handle (opaque data)");
}
offset += FHSIZE;
return offset;
}
int
dissect_timeval(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, char* name)
{
guint32 seconds;
guint32 mseconds;
proto_item* time_item;
proto_tree* time_tree = NULL;
if (!BYTES_ARE_IN_FRAME(offset,8)) return offset;
seconds = EXTRACT_UINT(pd, offset+0);
mseconds = EXTRACT_UINT(pd, offset+4);
if (tree) {
time_item = proto_tree_add_text(tree, offset, 8,
"%s (timeval): %u.%06u", name, seconds, mseconds);
if (time_item)
time_tree = proto_item_add_subtree(time_item, ETT_NFS_TIMEVAL);
}
if (time_tree) {
proto_tree_add_text(time_tree,offset+0,4,
"seconds: %u", seconds);
proto_tree_add_text(time_tree,offset+4,4,
"micro seconds: %u", mseconds);
}
offset += 8;
return offset;
}
/* RFC 1094, Page 16 */
const value_string nfs2_mode_names[] = {
{ 0040000, "Directory" },
{ 0020000, "Character Special Device" },
{ 0060000, "Block Special Device" },
{ 0100000, "Regular File" },
{ 0120000, "Symbolic Link" },
{ 0140000, "Named Socket" },
};
int
dissect_mode(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
guint32 mode;
proto_item* mode_item = NULL;
proto_tree* mode_tree = NULL;
if (!BYTES_ARE_IN_FRAME(offset,4)) return offset;
mode = EXTRACT_UINT(pd, offset+0);
if (tree) {
mode_item = proto_tree_add_text(tree, offset, 4,
"%s (mode): 0%o", name, mode);
if (mode_item)
mode_tree = proto_item_add_subtree(mode_item, ETT_NFS_MODE);
}
if (mode_tree) {
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_enumerated_bitfield(mode, 0160000, 16,
nfs2_mode_names, "%s"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 04000, 16, "Set user id on exec", "not SUID"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 02000, 16, "Set group id on exec", "not SGID"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 01000, 16, "Save swapped text even after use", "not save swapped text"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 0400, 16, "Read permission for owner", "no Read permission for owner"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 0200, 16, "Write permission for owner", "no Write permission for owner"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 0100, 16, "Execute permission for owner", "no Execute permission for owner"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 040, 16, "Read permission for group", "no Read permission for group"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 020, 16, "Write permission for group", "no Write permission for group"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 010, 16, "Execute permission for group", "no Execute permission for group"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 04, 16, "Read permission for others", "no Read permission for others"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 02, 16, "Write permission for others", "no Write permission for others"));
proto_tree_add_text(mode_tree, offset, 4, "%s",
decode_boolean_bitfield(mode, 01, 16, "Execute permission for others", "no Execute permission for others"));
}
offset += 4;
return offset;
}
/* RFC 1094, Page 15 */
int
dissect_fattr(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, char* name)
{
proto_item* fattr_item = NULL;
proto_tree* fattr_tree = NULL;
int old_offset = offset;
if (tree) {
fattr_item = proto_tree_add_text(tree, offset,
END_OF_FRAME, "%s (fattr)", name);
if (fattr_item)
fattr_tree = proto_item_add_subtree(fattr_item, ETT_NFS_FATTR);
}
offset = dissect_ftype (pd,offset,fd,fattr_tree,"type");
offset = dissect_mode (pd,offset,fd,fattr_tree,"mode");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"nlink");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"uid");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"gid");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"size");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"blocksize");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"rdev");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"blocks");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"fsid");
offset = dissect_unsigned_int (pd,offset,fd,fattr_tree,"fileid");
offset = dissect_timeval (pd,offset,fd,fattr_tree,"atime");
offset = dissect_timeval (pd,offset,fd,fattr_tree,"mtime");
offset = dissect_timeval (pd,offset,fd,fattr_tree,"ctime");
/* now we know, that fattr is shorter */
if (fattr_item) {
proto_item_set_len(fattr_item, offset - old_offset);
}
return offset;
}
/* generic NFS2 call dissector */
int
dissect_nfs2_any_call(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
{
offset = dissect_fhandle(pd, offset, fd, tree, "object");
return offset;
}
/* generic NFS2 reply dissector */
int
dissect_nfs2_any_reply(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
{
guint32 status;
offset = dissect_stat(pd, offset, fd, tree, "status", &status);
return offset;
}
/* RFC 1094, Page 5 */
int
dissect_nfs2_getattr_call(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
{
offset = dissect_fhandle(pd, offset, fd, tree, "object");
return offset;
}
/* RFC 1094, Page 5 */
int
dissect_nfs2_getattr_reply(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
{
guint32 status;
/* attrstat: RFC 1094, Page 17 */
offset = dissect_stat(pd, offset, fd, tree, "status", &status);
switch (status) {
case 0:
offset = dissect_fattr(pd, offset, fd, tree, "attributes");
break;
default:
/* do nothing */
break;
}
return offset;
}
/* more to come here */
/* proc number, "proc name", dissect_request, dissect_reply */
/* NULL as function pointer means: take the generic one. */
const vsff nfs2_proc[] = {
{ 0, "NULL", NULL, NULL },
{ 1, "GETATTR", dissect_nfs2_getattr_call, dissect_nfs2_getattr_reply },
{ 2, "SETATTR", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 3, "ROOT", NULL, NULL },
{ 4, "LOOKUP", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 5, "READLINK", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 6, "READ", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 7, "WRITECACHE", NULL, NULL },
{ 8, "WRITE", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 9, "CREATE", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 10, "REMOVE", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 11, "RENAME", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 12, "LINK", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 13, "SYMLINK", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 14, "MKDIR", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 15, "RMDIR", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 16, "READDIR", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 17, "STATFS", dissect_nfs2_any_call, dissect_nfs2_any_reply },
{ 0, NULL, NULL, NULL }
};
/* end of NFS Version 2 */
/***************************/
/* NFS Version 3, RFC 1813 */
/***************************/
/* RFC 1813, Page 15 */
int
dissect_uint64(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
offset = dissect_rpc_uint64(pd,offset,fd,tree,name,"uint64");
return offset;
}
/* RFC 1813, Page 15 */
int
dissect_uint32(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
offset = dissect_rpc_uint32(pd,offset,fd,tree,name,"uint32");
return offset;
}
/* RFC 1813, Page 15 */
int
dissect_fileid3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
offset = dissect_rpc_uint64(pd,offset,fd,tree,name,"fileid3");
return offset;
}
/* RFC 1813, Page 16 */
int
dissect_uid3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
offset = dissect_rpc_uint32(pd,offset,fd,tree,name,"uid3");
return offset;
}
/* RFC 1813, Page 16 */
int
dissect_gid3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
offset = dissect_rpc_uint32(pd,offset,fd,tree,name,"gid3");
return offset;
}
/* RFC 1813, Page 16 */
int
dissect_size3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
offset = dissect_rpc_uint64(pd,offset,fd,tree,name,"size3");
return offset;
}
/* RFC 1813, Page 16 */
int
dissect_mode3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
guint32 mode3;
proto_item* mode3_item = NULL;
proto_tree* mode3_tree = NULL;
if (!BYTES_ARE_IN_FRAME(offset,4)) return offset;
mode3 = EXTRACT_UINT(pd, offset+0);
if (tree) {
mode3_item = proto_tree_add_text(tree, offset, 4,
"%s (mode3): 0%o", name, mode3);
if (mode3_item)
mode3_tree = proto_item_add_subtree(mode3_item, ETT_NFS_MODE3);
}
/* RFC 1813, Page 23 */
if (mode3_tree) {
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x800, 12, "Set user id on exec", "not SUID"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x400, 12, "Set group id on exec", "not SGID"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x200, 12, "Save swapped text even after use", "not save swapped text"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x100, 12, "Read permission for owner", "no Read permission for owner"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x80, 12, "Write permission for owner", "no Write permission for owner"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x40, 12, "Execute permission for owner", "no Execute permission for owner"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x20, 12, "Read permission for group", "no Read permission for group"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x10, 12, "Write permission for group", "no Write permission for group"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x8, 12, "Execute permission for group", "no Execute permission for group"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x4, 12, "Read permission for others", "no Read permission for others"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x2, 12, "Write permission for others", "no Write permission for others"));
proto_tree_add_text(mode3_tree, offset, 4, "%s",
decode_boolean_bitfield(mode3, 0x1, 12, "Execute permission for others", "no Execute permission for others"));
}
offset += 4;
return offset;
}
/* RFC 1813, Page 16 */
int
dissect_count3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name, char* type)
{
offset = dissect_rpc_uint32(pd,offset,fd,tree,name,"count");
return offset;
}
/* RFC 1813, Page 16 */
int
dissect_nfsstat3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name, guint32* status)
{
guint32 nfsstat3;
char* nfsstat3_name = NULL;
const value_string nfs3_nfsstat3[] =
{
{ 0, "OK" },
{ 1, "ERR_PERM" },
{ 2, "ERR_NOENT" },
{ 5, "ERR_IO" },
{ 6, "ERR_NX_IO" },
{ 13, "ERR_ACCES" },
{ 17, "ERR_EXIST" },
{ 18, "ERR_XDEV" },
{ 19, "ERR_NODEV" },
{ 20, "ERR_NOTDIR" },
{ 21, "ERR_ISDIR" },
{ 22, "ERR_INVAL" },
{ 27, "ERR_FBIG" },
{ 28, "ERR_NOSPC" },
{ 30, "ERR_ROFS" },
{ 31, "ERR_MLINK" },
{ 63, "ERR_NAMETOOLONG" },
{ 66, "ERR_NOTEMPTY" },
{ 69, "ERR_DQUOT" },
{ 70, "ERR_STALE" },
{ 71, "ERR_REMOTE" },
{ 10001, "ERR_BADHANDLE" },
/* RFC 1813, Page 17 */
{ 10002, "ERR_NOT_SYNC" },
{ 10003, "ERR_BAD_COOKIE" },
{ 10004, "ERR_NOTSUPP" },
{ 10005, "ERR_TOOSMALL" },
{ 10006, "ERR_SERVERFAULT" },
{ 10007, "ERR_BADTYPE" },
{ 10008, "ERR_JUKEBOX" },
{ 0, NULL }
};
if (!BYTES_ARE_IN_FRAME(offset,4)) return offset;
nfsstat3 = EXTRACT_UINT(pd, offset+0);
nfsstat3_name = val_to_str(nfsstat3, nfs3_nfsstat3, "%u");
if (tree) {
proto_tree_add_text(tree, offset, 4,
"%s (nfsstat3): %s (%u)", name, nfsstat3_name, nfsstat3);
}
offset += 4;
*status = nfsstat3;
return offset;
}
/* RFC 1813, Page 17, 18, 19, 20: error explanations */
/* RFC 1813, Page 20 */
int
dissect_ftype3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
char* name)
{
guint32 ftype3;
char* ftype3_name = NULL;
const value_string nfs3_ftype3[] =
{
{ 1, "Regular File" },
{ 2, "Directory" },
{ 3, "Block Special Device" },
{ 4, "Character Special Device" },
{ 5, "Symbolic Link" },
{ 6, "Socket" },
{ 7, "Named Pipe" },
{ 0, NULL }
};
if (!BYTES_ARE_IN_FRAME(offset,4)) return offset;
ftype3 = EXTRACT_UINT(pd, offset+0);
ftype3_name = val_to_str(ftype3, nfs3_ftype3, "%u");
if (tree) {
proto_tree_add_text(tree, offset, 4,
"%s (ftype3): %s (%u)", name, ftype3_name, ftype3);
}
offset += 4;
return offset;
}
/* RFC 1813, Page 20 */
int
dissect_specdata3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, char* name)
{
guint32 specdata1;
guint32 specdata2;
proto_item* specdata3_item;
proto_tree* specdata3_tree = NULL;
if (!BYTES_ARE_IN_FRAME(offset,8)) return offset;
specdata1 = EXTRACT_UINT(pd, offset+0);
specdata2 = EXTRACT_UINT(pd, offset+4);
if (tree) {
specdata3_item = proto_tree_add_text(tree, offset, 8,
"%s (specdata3) : %u,%u", name, specdata1, specdata2);
if (specdata3_item)
specdata3_tree = proto_item_add_subtree(specdata3_item,
ETT_NFS_SPECDATA3);
}
if (specdata3_tree) {
proto_tree_add_text(specdata3_tree,offset+0,4,
"specdata1: %u", specdata1);
proto_tree_add_text(specdata3_tree,offset+4,4,
"specdata2: %u", specdata2);
}
offset += 8;
return offset;
}
/* RFC 1813, Page 21 */
int
dissect_nfs_fh3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, char* name)
{
guint fh_len;
guint fh_len_full;
guint fh_fill;
proto_item* fitem;
proto_tree* ftree = NULL;
fh_len = EXTRACT_UINT(pd, offset+0);
fh_len_full = roundup(fh_len);
fh_fill = fh_len_full - fh_len;
if (tree) {
fitem = proto_tree_add_text(tree, offset, 4+fh_len_full,
"%s (nfs_fh3)", name);
if (fitem)
ftree = proto_item_add_subtree(fitem, ETT_NFS_FH3);
}
if (ftree) {
proto_tree_add_text(ftree,offset+0,4,
"length: %u", fh_len);
proto_tree_add_text(ftree,offset+4,fh_len,
"file handle (opaque data)");
if (fh_fill)
proto_tree_add_text(ftree,offset+4+fh_len,fh_fill,
"fill bytes");
}
offset += 4 + fh_len_full;
return offset;
}
/* RFC 1813, Page 21 */
int
dissect_nfs3time(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,char* name)
{
guint32 seconds;
guint32 nseconds;
proto_item* time_item;
proto_tree* time_tree = NULL;
if (!BYTES_ARE_IN_FRAME(offset,8)) return offset;
seconds = EXTRACT_UINT(pd, offset+0);
nseconds = EXTRACT_UINT(pd, offset+4);
if (tree) {
time_item = proto_tree_add_text(tree, offset, 8,
"%s (nfs3time): %u.%09u", name, seconds, nseconds);
if (time_item)
time_tree = proto_item_add_subtree(time_item, ETT_NFS_NFSTIME3);
}
if (time_tree) {
proto_tree_add_text(time_tree,offset+0,4,
"seconds: %u", seconds);
proto_tree_add_text(time_tree,offset+4,4,
"nano seconds: %u", nseconds);
}
offset += 8;
return offset;
}
/* RFC 1813, Page 22 */
int
dissect_fattr3(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, char* name)
{
proto_item* fattr3_item = NULL;
proto_tree* fattr3_tree = NULL;
int old_offset = offset;
if (tree) {
fattr3_item = proto_tree_add_text(tree, offset,
END_OF_FRAME, "%s (fattr3)", name);
if (fattr3_item)
fattr3_tree = proto_item_add_subtree(fattr3_item, ETT_NFS_FATTR3);
}
offset = dissect_ftype3 (pd,offset,fd,fattr3_tree,"type");
offset = dissect_mode3 (pd,offset,fd,fattr3_tree,"mode");
offset = dissect_uint32 (pd,offset,fd,fattr3_tree,"nlink");
offset = dissect_uid3 (pd,offset,fd,fattr3_tree,"uid");
offset = dissect_gid3 (pd,offset,fd,fattr3_tree,"gid");
offset = dissect_size3 (pd,offset,fd,fattr3_tree,"size");
offset = dissect_size3 (pd,offset,fd,fattr3_tree,"used");
offset = dissect_specdata3(pd,offset,fd,fattr3_tree,"rdev");
offset = dissect_uint64 (pd,offset,fd,fattr3_tree,"fsid");
offset = dissect_fileid3 (pd,offset,fd,fattr3_tree,"fileid");
offset = dissect_nfs3time (pd,offset,fd,fattr3_tree,"atime");
offset = dissect_nfs3time (pd,offset,fd,fattr3_tree,"mtime");
offset = dissect_nfs3time (pd,offset,fd,fattr3_tree,"ctime");
/* now we know, that fattr3 is shorter */
if (fattr3_item) {
proto_item_set_len(fattr3_item, offset - old_offset);
}
return offset;
}
/* generic NFS3 call dissector */
int
dissect_nfs3_any_call(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
{
offset = dissect_nfs_fh3(pd, offset, fd, tree, "object");
return offset;
}
/* generic NFS3 reply dissector */
int
dissect_nfs3_any_reply(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
{
guint32 status;
offset = dissect_nfsstat3(pd, offset, fd, tree, "status", &status);
return offset;
}
/* RFC 1813, Page 32 */
int
dissect_nfs3_getattr_call(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
{
offset = dissect_nfs_fh3(pd, offset, fd, tree, "object");
return offset;
}
/* RFC 1813, Page 32 */
int
dissect_nfs3_getattr_reply(const u_char* pd, int offset, frame_data* fd, proto_tree* tree)
{
guint32 status;
offset = dissect_nfsstat3(pd, offset, fd, tree, "status", &status);
switch (status) {
case 0:
offset = dissect_fattr3(pd, offset, fd, tree, "obj_attributes");
break;
default:
/* void */
break;
}
return offset;
}
/* proc number, "proc name", dissect_request, dissect_reply */
/* NULL as function pointer means: take the generic one. */
const vsff nfs3_proc[] = {
{ 0, "NULL", NULL, NULL },
{ 1, "GETATTR", dissect_nfs3_getattr_call, dissect_nfs3_getattr_reply },
{ 2, "SETATTR", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 3, "LOOKUP", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 4, "ACCESS", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 5, "READLINK", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 6, "READ", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 7, "WRITE", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 8, "CREATE", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 9, "MKDIR", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 10, "SYMLINK", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 11, "MKNOD", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 12, "REMOVE", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 13, "RMDIR", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 14, "RENAME", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 15, "LINK", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 16, "READDIR", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 17, "READDIRPLUS", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 18, "FSSTAT", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 19, "FSINFO", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 20, "PATHCONF", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 21, "COMMIT", dissect_nfs3_any_call, dissect_nfs3_any_reply },
{ 0, NULL, NULL, NULL }
};
/* end of NFS Version 3 */
void
proto_register_nfs(void)
{
proto_nfs = proto_register_protocol("Network File System", "NFS");
/* Register the protocol as RPC */
rpc_init_prog(proto_nfs, NFS_PROGRAM, ETT_NFS);
/* Register the procedure tables */
rpc_init_proc_table(NFS_PROGRAM, 2, nfs2_proc);
rpc_init_proc_table(NFS_PROGRAM, 3, nfs3_proc);
}