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Diffstat (limited to 'epan/dissectors/packet-mount.c')
| -rw-r--r-- | epan/dissectors/packet-mount.c | 1109 |
1 files changed, 1109 insertions, 0 deletions
diff --git a/epan/dissectors/packet-mount.c b/epan/dissectors/packet-mount.c new file mode 100644 index 0000000000..7dd2c345c9 --- /dev/null +++ b/epan/dissectors/packet-mount.c @@ -0,0 +1,1109 @@ +/* packet-mount.c + * Routines for mount dissection + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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 + + +#include <string.h> + +#include "packet-rpc.h" +#include "packet-mount.h" +#include "packet-nfs.h" + + +static int proto_mount = -1; +static int proto_sgi_mount = -1; +static int hf_mount_procedure_v1 = -1; +static int hf_mount_procedure_v2 = -1; +static int hf_mount_procedure_v3 = -1; +static int hf_sgi_mount_procedure_v1 = -1; +static int hf_mount_path = -1; +static int hf_mount3_status = -1; +static int hf_mount_mountlist_hostname = -1; +static int hf_mount_mountlist_directory = -1; +static int hf_mount_mountlist = -1; +static int hf_mount_groups_group = -1; +static int hf_mount_groups = -1; +static int hf_mount_exportlist_directory = -1; +static int hf_mount_exportlist = -1; +static int hf_mount_has_options = -1; +static int hf_mount_options = -1; +static int hf_mount_pathconf_link_max = -1; +static int hf_mount_pathconf_max_canon = -1; +static int hf_mount_pathconf_max_input = -1; +static int hf_mount_pathconf_name_max = -1; +static int hf_mount_pathconf_path_max = -1; +static int hf_mount_pathconf_pipe_buf = -1; +static int hf_mount_pathconf_vdisable = -1; +static int hf_mount_pathconf_mask = -1; +static int hf_mount_pathconf_error_all = -1; +static int hf_mount_pathconf_error_link_max = -1; +static int hf_mount_pathconf_error_max_canon = -1; +static int hf_mount_pathconf_error_max_input = -1; +static int hf_mount_pathconf_error_name_max = -1; +static int hf_mount_pathconf_error_path_max = -1; +static int hf_mount_pathconf_error_pipe_buf = -1; +static int hf_mount_pathconf_chown_restricted = -1; +static int hf_mount_pathconf_no_trunc = -1; +static int hf_mount_pathconf_error_vdisable = -1; +static int hf_mount_statvfs_bsize = -1; +static int hf_mount_statvfs_frsize = -1; +static int hf_mount_statvfs_blocks = -1; +static int hf_mount_statvfs_bfree = -1; +static int hf_mount_statvfs_bavail = -1; +static int hf_mount_statvfs_files = -1; +static int hf_mount_statvfs_ffree = -1; +static int hf_mount_statvfs_favail = -1; +static int hf_mount_statvfs_fsid = -1; +static int hf_mount_statvfs_basetype = -1; +static int hf_mount_statvfs_flag = -1; +static int hf_mount_statvfs_flag_rdonly = -1; +static int hf_mount_statvfs_flag_nosuid = -1; +static int hf_mount_statvfs_flag_notrunc = -1; +static int hf_mount_statvfs_flag_nodev = -1; +static int hf_mount_statvfs_flag_grpid = -1; +static int hf_mount_statvfs_flag_local = -1; +static int hf_mount_statvfs_namemax = -1; +static int hf_mount_statvfs_fstr = -1; +static int hf_mount_flavors = -1; +static int hf_mount_flavor = -1; + +static gint ett_mount = -1; +static gint ett_mount_mountlist = -1; +static gint ett_mount_groups = -1; +static gint ett_mount_exportlist = -1; +static gint ett_mount_pathconf_mask = -1; +static gint ett_mount_statvfs_flag = -1; + +#define MAX_GROUP_NAME_LIST 128 +static char group_name_list[MAX_GROUP_NAME_LIST]; +static int group_names_len; + +/* RFC 1094, Page 24 */ +/* This function dissects fhstatus for v1 and v2 of the mount protocol. + * Formally, hf_mount3_status only define the status codes returned by version + * 3 of the protocol. + * Though not formally defined in the standard, we use the same + * value-to-string mappings as version 3 since we belive that this mapping + * is consistant with most v1 and v2 implementations. + */ +static int +dissect_fhstatus(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + gint32 status; + + status=tvb_get_ntohl(tvb,offset); + offset = dissect_rpc_uint32(tvb,tree,hf_mount3_status,offset); + + switch (status) { + case 0: + offset = dissect_fhandle(tvb,offset,pinfo,tree,"fhandle", NULL); + break; + default: + /* void */ + break; + } + + return offset; +} + + +static int +dissect_mount_dirpath_call(tvbuff_t *tvb, int offset, packet_info *pinfo, + proto_tree *tree) +{ + if((!pinfo->fd->flags.visited) && nfs_file_name_snooping){ + rpc_call_info_value *civ=pinfo->private_data; + + if(civ->request && (civ->proc==1)){ + unsigned char *host, *name; + unsigned const char *dir; + int len; + + host=ip_to_str(pinfo->dst.data); + len=tvb_get_ntohl(tvb, offset); + + dir=tvb_get_ptr(tvb, offset+4, len); + if(dir){ + unsigned char *ptr; + name=g_malloc(strlen(host)+1+len+1+200); + ptr=name; + memcpy(ptr, host, strlen(host)); + ptr+=strlen(host); + *ptr++=':'; + memcpy(ptr, dir, len); + ptr+=len; + *ptr=0; + + nfs_name_snoop_add_name(civ->xid, tvb, -1, strlen(name), 0, 0, name); + } + } + } + + if ( tree ) + { + offset = dissect_rpc_string(tvb,tree,hf_mount_path,offset,NULL); + } + + return offset; +} + + +/* RFC 1094, Page 25,26 */ +static int +dissect_mount1_mnt_reply(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + offset = dissect_fhstatus(tvb,offset,pinfo,tree); + + return offset; +} + + + +/* RFC 1094, Page 26 */ +/* RFC 1813, Page 110 */ +static int +dissect_mountlist(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item* lock_item = NULL; + proto_tree* lock_tree = NULL; + int old_offset = offset; + char* hostname; + char* directory; + + if (tree) { + lock_item = proto_tree_add_item(tree, hf_mount_mountlist, tvb, + offset, -1, FALSE); + if (lock_item) + lock_tree = proto_item_add_subtree(lock_item, ett_mount_mountlist); + } + + offset = dissect_rpc_string(tvb, lock_tree, + hf_mount_mountlist_hostname, offset, &hostname); + offset = dissect_rpc_string(tvb, lock_tree, + hf_mount_mountlist_directory, offset, &directory); + + if (lock_item) { + /* now we have a nicer string */ + proto_item_set_text(lock_item, "Mount List Entry: %s:%s", hostname, directory); + /* now we know, that mountlist is shorter */ + proto_item_set_len(lock_item, offset - old_offset); + } + g_free(hostname); + g_free(directory); + + return offset; +} + + +/* RFC 1094, Page 26 */ +/* RFC 1813, Page 110 */ +static int +dissect_mount_dump_reply(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + offset = dissect_rpc_list(tvb, pinfo, tree, offset, dissect_mountlist); + + return offset; +} + + + +/* RFC 1094, Page 26 */ +/* RFC 1813, Page 110 */ +static int +dissect_group(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + int len,str_len; + len=tvb_get_ntohl(tvb,offset); + if (group_names_len < MAX_GROUP_NAME_LIST - 5) { + str_len=tvb_get_nstringz(tvb,offset+4, + MAX_GROUP_NAME_LIST-5-group_names_len, + group_name_list+group_names_len); + if((group_names_len>=(MAX_GROUP_NAME_LIST-5))||(str_len<0)){ + strcpy(group_name_list+(MAX_GROUP_NAME_LIST-5),"..."); + group_names_len=MAX_GROUP_NAME_LIST; + } else { + group_names_len+=str_len; + group_name_list[group_names_len++]=' '; + } + group_name_list[group_names_len]=0; + } + + offset = dissect_rpc_string(tvb, tree, + hf_mount_groups_group, offset, NULL); + + return offset; +} + + +/* RFC 1094, Page 26 */ +/* RFC 1813, Page 113 */ +static int +dissect_exportlist(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_item* exportlist_item = NULL; + proto_tree* exportlist_tree = NULL; + int old_offset = offset; + int groups_offset; + proto_item* groups_item = NULL; + proto_item* groups_tree = NULL; + char* directory; + + group_name_list[0]=0; + group_names_len=0; + if (tree) { + exportlist_item = proto_tree_add_item(tree, hf_mount_exportlist, tvb, + offset, -1, FALSE); + if (exportlist_item) + exportlist_tree = proto_item_add_subtree(exportlist_item, ett_mount_exportlist); + } + + offset = dissect_rpc_string(tvb, exportlist_tree, + hf_mount_exportlist_directory, offset, &directory); + groups_offset = offset; + + if (tree) { + groups_item = proto_tree_add_item(exportlist_tree, hf_mount_groups, tvb, + offset, -1, FALSE); + if (groups_item) + groups_tree = proto_item_add_subtree(groups_item, ett_mount_groups); + } + + offset = dissect_rpc_list(tvb, pinfo, groups_tree, offset, dissect_group); + if (groups_item) { + /* mark empty lists */ + if (offset - groups_offset == 4) { + proto_item_set_text(groups_item, "Groups: empty"); + } + + /* now we know, that groups is shorter */ + proto_item_set_len(groups_item, offset - groups_offset); + } + + if (exportlist_item) { + /* now we have a nicer string */ + proto_item_set_text(exportlist_item, "Export List Entry: %s -> %s", directory,group_name_list); + /* now we know, that exportlist is shorter */ + proto_item_set_len(exportlist_item, offset - old_offset); + } + g_free(directory); + + return offset; +} + + +/* RFC 1094, Page 26 */ +/* RFC 1813, Page 113 */ +static int +dissect_mount_export_reply(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + offset = dissect_rpc_list(tvb, pinfo, tree, offset, dissect_exportlist); + + return offset; +} + + +#define OFFS_MASK 32 /* offset of the "pc_mask" field */ + +#define PC_ERROR_ALL 0x0001 +#define PC_ERROR_LINK_MAX 0x0002 +#define PC_ERROR_MAX_CANON 0x0004 +#define PC_ERROR_MAX_INPUT 0x0008 +#define PC_ERROR_NAME_MAX 0x0010 +#define PC_ERROR_PATH_MAX 0x0020 +#define PC_ERROR_PIPE_BUF 0x0040 +#define PC_CHOWN_RESTRICTED 0x0080 +#define PC_NO_TRUNC 0x0100 +#define PC_ERROR_VDISABLE 0x0200 + +static const true_false_string tos_error_all = { + "All info invalid", + "Some or all info valid" +}; + +static const true_false_string tos_error_link_max = { + "LINK_MAX invalid", + "LINK_MAX valid" +}; + +static const true_false_string tos_error_max_canon = { + "MAX_CANON invalid", + "MAX_CANON valid" +}; + +static const true_false_string tos_error_max_input = { + "MAX_INPUT invalid", + "MAX_INPUT valid" +}; + +static const true_false_string tos_error_name_max = { + "NAME_MAX invalid", + "NAME_MAX valid" +}; + +static const true_false_string tos_error_path_max = { + "PATH_MAX invalid", + "PATH_MAX valid" +}; + +static const true_false_string tos_error_pipe_buf = { + "PIPE_BUF invalid", + "PIPE_BUF valid" +}; + +static const true_false_string tos_chown_restricted = { + "Only a privileged user can change the ownership of a file", + "Users may give away their own files" +}; + +static const true_false_string tos_no_trunc = { + "File names that are too long will get an error", + "File names that are too long will be truncated" +}; + +static const true_false_string tos_error_vdisable = { + "VDISABLE invalid", + "VDISABLE valid" +}; + + +static int +dissect_mount_pathconf_reply(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + int saved_offset; + guint32 pc_mask; + proto_item *lock_item; + proto_tree *lock_tree; + + saved_offset=offset; + /* + * Extract the mask first, so we know which other fields the + * server was able to return to us. + */ + pc_mask = tvb_get_ntohl(tvb, offset+OFFS_MASK) & 0xffff; + if (!(pc_mask & (PC_ERROR_LINK_MAX|PC_ERROR_ALL))) { + if (tree) { + dissect_rpc_uint32(tvb,tree,hf_mount_pathconf_link_max,offset); + } + } + offset += 4; + + if (!(pc_mask & (PC_ERROR_MAX_CANON|PC_ERROR_ALL))) { + if (tree) { + proto_tree_add_item(tree, + hf_mount_pathconf_max_canon,tvb,offset+2,2, + tvb_get_ntohs(tvb,offset)&0xffff); + } + } + offset += 4; + + if (!(pc_mask & (PC_ERROR_MAX_INPUT|PC_ERROR_ALL))) { + if (tree) { + proto_tree_add_item(tree, + hf_mount_pathconf_max_input,tvb,offset+2,2, + tvb_get_ntohs(tvb,offset)&0xffff); + } + } + offset += 4; + + if (!(pc_mask & (PC_ERROR_NAME_MAX|PC_ERROR_ALL))) { + if (tree) { + proto_tree_add_item(tree, + hf_mount_pathconf_name_max,tvb,offset+2,2, + tvb_get_ntohs(tvb,offset)&0xffff); + } + } + offset += 4; + + if (!(pc_mask & (PC_ERROR_PATH_MAX|PC_ERROR_ALL))) { + if (tree) { + proto_tree_add_item(tree, + hf_mount_pathconf_path_max,tvb,offset+2,2, + tvb_get_ntohs(tvb,offset)&0xffff); + } + } + offset += 4; + + if (!(pc_mask & (PC_ERROR_PIPE_BUF|PC_ERROR_ALL))) { + if (tree) { + proto_tree_add_item(tree, + hf_mount_pathconf_pipe_buf,tvb,offset+2,2, + tvb_get_ntohs(tvb,offset)&0xffff); + } + } + offset += 4; + + offset += 4; /* skip "pc_xxx" pad field */ + + if (!(pc_mask & (PC_ERROR_VDISABLE|PC_ERROR_ALL))) { + if (tree) { + proto_tree_add_item(tree, + hf_mount_pathconf_vdisable,tvb,offset+3,1, + tvb_get_ntohs(tvb,offset)&0xffff); + } + } + offset += 4; + + + if (tree) { + lock_item = proto_tree_add_item(tree, hf_mount_pathconf_mask, tvb, + offset+2, 2, FALSE); + + lock_tree = proto_item_add_subtree(lock_item, ett_mount_pathconf_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_error_all, tvb, + offset + 2, 2, pc_mask); + + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_error_link_max, tvb, + offset + 2, 2, pc_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_error_max_canon, tvb, + offset + 2, 2, pc_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_error_max_input, tvb, + offset + 2, 2, pc_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_error_name_max, tvb, + offset + 2, 2, pc_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_error_path_max, tvb, + offset + 2, 2, pc_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_error_pipe_buf, tvb, + offset + 2, 2, pc_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_chown_restricted, tvb, + offset + 2, 2, pc_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_no_trunc, tvb, + offset + 2, 2, pc_mask); + proto_tree_add_boolean(lock_tree, hf_mount_pathconf_error_vdisable, tvb, + offset + 2, 2, pc_mask); + } + + offset += 8; + return offset; +} + +/* RFC 1813, Page 107 */ +static const value_string mount3_mountstat3[] = +{ + { 0, "OK" }, + { 1, "ERR_PERM" }, + { 2, "ERR_NOENT" }, + { 5, "ERR_IO" }, + { 13, "ERR_ACCESS" }, + { 20, "ERR_NOTDIR" }, + { 22, "ERR_INVAL" }, + { 63, "ERR_NAMETOOLONG" }, + { 10004, "ERR_NOTSUPP" }, + { 10006, "ERR_SERVERFAULT" }, + { 0, NULL } +}; + + +/* RFC 1813, Page 107 */ +static int +dissect_mountstat3(tvbuff_t *tvb, proto_tree *tree, int offset, int hfindex, guint32 *status) +{ + guint32 mountstat3; + + mountstat3 = tvb_get_ntohl(tvb, offset); + + offset = dissect_rpc_uint32(tvb,tree,hfindex,offset); + *status = mountstat3; + return offset; +} + +/* RFC 1831, Page 109 */ +static int +dissect_mount3_mnt_reply(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + guint32 status; + guint32 auth_flavors; + guint32 auth_flavor; + guint32 auth_flavor_i; + + offset = dissect_mountstat3(tvb,tree,offset,hf_mount3_status,&status); + + switch (status) { + case 0: + offset = dissect_nfs_fh3(tvb,offset,pinfo,tree,"fhandle",NULL); + + auth_flavors = tvb_get_ntohl(tvb, offset); + proto_tree_add_uint(tree,hf_mount_flavors, tvb, + offset, 4, auth_flavors); + offset += 4; + for (auth_flavor_i = 0 ; auth_flavor_i < auth_flavors ; auth_flavor_i++) { + auth_flavor = tvb_get_ntohl(tvb, offset); + proto_tree_add_uint(tree,hf_mount_flavor, tvb, + offset, 4, auth_flavor); + offset += 4; + } + break; + default: + /* void */ + break; + } + + return offset; +} + +static int +dissect_sgi_exportlist(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item* exportlist_item = NULL; + proto_tree* exportlist_tree = NULL; + int old_offset = offset; + int options_offset; + char* directory, *options; + + if (tree) { + exportlist_item = proto_tree_add_item(tree, hf_mount_exportlist, + tvb, offset, -1, FALSE); + if (exportlist_item) + exportlist_tree = proto_item_add_subtree(exportlist_item, + ett_mount_exportlist); + } + + offset = dissect_rpc_string(tvb, exportlist_tree, + hf_mount_exportlist_directory, offset, &directory); + + offset = dissect_rpc_bool(tvb, exportlist_tree, + hf_mount_has_options, offset); + options_offset = offset; + + offset = dissect_rpc_string(tvb, exportlist_tree, hf_mount_options, + offset, &options); + + if (exportlist_item) { + /* now we have a nicer string */ + proto_item_set_text(exportlist_item, + "Export List Entry: %s %s", directory, + options); + /* now we know, that exportlist is shorter */ + proto_item_set_len(exportlist_item, offset - old_offset); + } + g_free(directory); + g_free(options); + + return offset; +} + +static int +dissect_mount_exportlist_reply(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + offset = dissect_rpc_list(tvb, pinfo, tree, offset, dissect_sgi_exportlist); + + return offset; +} + +#define ST_RDONLY 0x00000001 +#define ST_NOSUID 0x00000002 +#define ST_NOTRUNC 0x00000004 +#define ST_NODEV 0x20000000 +#define ST_GRPID 0x40000000 +#define ST_LOCAL 0x80000000 + +static const true_false_string tos_st_rdonly = { + "Read-only file system", + "Read/Write file system" +}; + +static const true_false_string tos_st_nosuid = { + "Does not support setuid/setgid semantics", + "Supports setuid/setgid semantics" +}; + +static const true_false_string tos_st_notrunc = { + "Does not trunctate filenames longer than NAME_MAX", + "Truncates filenames longer than NAME_MAX" +}; + +static const true_false_string tos_st_nodev = { + "Disallows opening of device files", + "Allows opening of device files" +}; + +static const true_false_string tos_st_grpid = { + "Group ID assigned from directory", + "Group ID not assigned from directory" +}; + +static const true_false_string tos_st_local = { + "File system is local", + "File system is not local" +}; + +static int +dissect_mount_statvfs_reply(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_item *flag_item; + proto_tree *flag_tree; + guint32 statvfs_flags; + + statvfs_flags = tvb_get_ntohl(tvb, offset+52); + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_bsize, offset); + } + offset += 4; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_frsize, offset); + } + offset += 4; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_blocks, offset); + } + offset += 4; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_bfree, offset); + } + offset += 4; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_bavail, offset); + } + offset += 4; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_files, offset); + } + offset += 4; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_ffree, offset); + } + offset += 4; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_favail, offset); + } + offset += 4; + if (tree) { + dissect_rpc_bytes(tvb, tree, hf_mount_statvfs_basetype, offset, + 16, TRUE, NULL); + } + offset += 16; + if (tree) { + dissect_rpc_bytes(tvb, tree, hf_mount_statvfs_fstr, offset, + 32, FALSE, NULL); + } + offset += 32; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_fsid, offset); + } + offset += 4; + + if (tree) { + flag_item = proto_tree_add_item(tree, hf_mount_statvfs_flag, + tvb, offset, 4, FALSE); + if (flag_item) { + flag_tree = proto_item_add_subtree(flag_item, + ett_mount_statvfs_flag); + proto_tree_add_boolean(flag_tree, + hf_mount_statvfs_flag_rdonly, tvb, offset, 4, + statvfs_flags); + proto_tree_add_boolean(flag_tree, + hf_mount_statvfs_flag_nosuid, tvb, offset, 4, + statvfs_flags); + proto_tree_add_boolean(flag_tree, + hf_mount_statvfs_flag_notrunc, tvb, offset, 4, + statvfs_flags); + proto_tree_add_boolean(flag_tree, + hf_mount_statvfs_flag_nodev, tvb, offset, 4, + statvfs_flags); + proto_tree_add_boolean(flag_tree, + hf_mount_statvfs_flag_grpid, tvb, offset, 4, + statvfs_flags); + proto_tree_add_boolean(flag_tree, + hf_mount_statvfs_flag_local, tvb, offset, 4, + statvfs_flags); + } + } + + offset += 4; + if (tree) { + dissect_rpc_uint32(tvb, tree, hf_mount_statvfs_namemax, offset); + } + offset += 4; + + return offset; +} + +/* proc number, "proc name", dissect_request, dissect_reply */ +/* NULL as function pointer means: type of arguments is "void". */ + +/* Mount protocol version 1, RFC 1094 */ +static const vsff mount1_proc[] = { + { 0, "NULL", NULL, NULL }, + { MOUNTPROC_MNT, "MNT", + dissect_mount_dirpath_call, dissect_mount1_mnt_reply }, + { MOUNTPROC_DUMP, "DUMP", + NULL, dissect_mount_dump_reply }, + { MOUNTPROC_UMNT, "UMNT", + dissect_mount_dirpath_call, NULL }, + { MOUNTPROC_UMNTALL, "UMNTALL", + NULL, NULL }, + { MOUNTPROC_EXPORT, "EXPORT", + NULL, dissect_mount_export_reply }, + { MOUNTPROC_EXPORTALL, "EXPORTALL", + NULL, dissect_mount_export_reply }, + { 0, NULL, NULL, NULL } +}; +static const value_string mount1_proc_vals[] = { + { 0, "NULL" }, + { MOUNTPROC_MNT, "MNT" }, + { MOUNTPROC_DUMP, "DUMP" }, + { MOUNTPROC_UMNT, "UMNT" }, + { MOUNTPROC_UMNTALL, "UMNTALL" }, + { MOUNTPROC_EXPORT, "EXPORT" }, + { MOUNTPROC_EXPORTALL, "EXPORTALL" }, + { 0, NULL } +}; +/* end of mount version 1 */ + + +/* Mount protocol version 2, private communication from somebody at Sun; + mount V2 is V1 plus MOUNTPROC_PATHCONF to fetch information for the + POSIX "pathconf()" call. */ +static const vsff mount2_proc[] = { + { 0, "NULL", NULL, NULL }, + { MOUNTPROC_MNT, "MNT", + dissect_mount_dirpath_call, dissect_mount1_mnt_reply }, + { MOUNTPROC_DUMP, "DUMP", + NULL, dissect_mount_dump_reply }, + { MOUNTPROC_UMNT, "UMNT", + dissect_mount_dirpath_call, NULL }, + { MOUNTPROC_UMNTALL, "UMNTALL", + NULL, NULL }, + { MOUNTPROC_EXPORT, "EXPORT", + NULL, dissect_mount_export_reply }, + { MOUNTPROC_EXPORTALL, "EXPORTALL", + NULL, dissect_mount_export_reply }, + { MOUNTPROC_PATHCONF, "PATHCONF", + dissect_mount_dirpath_call, dissect_mount_pathconf_reply }, + { 0, NULL, NULL, NULL } +}; +static const value_string mount2_proc_vals[] = { + { 0, "NULL" }, + { MOUNTPROC_MNT, "MNT" }, + { MOUNTPROC_DUMP, "DUMP" }, + { MOUNTPROC_UMNT, "UMNT" }, + { MOUNTPROC_UMNTALL, "UMNTALL" }, + { MOUNTPROC_EXPORT, "EXPORT" }, + { MOUNTPROC_EXPORTALL, "EXPORTALL" }, + { MOUNTPROC_PATHCONF, "PATHCONF" }, + { 0, NULL } +}; +/* end of mount version 2 */ + + +/* Mount protocol version 3, RFC 1813 */ +static const vsff mount3_proc[] = { + { 0, "NULL", NULL, NULL }, + { MOUNTPROC_MNT, "MNT", + dissect_mount_dirpath_call, dissect_mount3_mnt_reply }, + { MOUNTPROC_DUMP, "DUMP", + NULL, dissect_mount_dump_reply }, + { MOUNTPROC_UMNT, "UMNT", + dissect_mount_dirpath_call, NULL }, + { MOUNTPROC_UMNTALL, "UMNTALL", + NULL, NULL }, + { MOUNTPROC_EXPORT, "EXPORT", + NULL, dissect_mount_export_reply }, + { 0, NULL, NULL, NULL } +}; +static const value_string mount3_proc_vals[] = { + { 0, "NULL" }, + { MOUNTPROC_MNT, "MNT" }, + { MOUNTPROC_DUMP, "DUMP" }, + { MOUNTPROC_UMNT, "UMNT" }, + { MOUNTPROC_UMNTALL, "UMNTALL" }, + { MOUNTPROC_EXPORT, "EXPORT" }, + { 0, NULL } +}; +/* end of Mount protocol version 3 */ + +/* SGI mount protocol version 1; actually the same as v1 plus + MOUNTPROC_EXPORTLIST and MOUNTPROC_STATVFS */ + +static const vsff sgi_mount1_proc[] = { + { 0, "NULL", NULL, NULL }, + { MOUNTPROC_MNT, "MNT", + dissect_mount_dirpath_call, dissect_mount1_mnt_reply }, + { MOUNTPROC_DUMP, "DUMP", + NULL, dissect_mount_dump_reply }, + { MOUNTPROC_UMNT, "UMNT", + dissect_mount_dirpath_call, NULL }, + { MOUNTPROC_UMNTALL, "UMNTALL", + NULL, NULL }, + { MOUNTPROC_EXPORT, "EXPORT", + NULL, dissect_mount_export_reply }, + { MOUNTPROC_EXPORTALL, "EXPORTALL", + NULL, dissect_mount_export_reply }, + { MOUNTPROC_EXPORTLIST,"EXPORTLIST", + NULL, dissect_mount_exportlist_reply }, + { MOUNTPROC_STATVFS, "STATVFS", + dissect_mount_dirpath_call, dissect_mount_statvfs_reply }, + { 0, NULL, NULL, NULL } +}; +static const value_string sgi_mount1_proc_vals[] = { + { 0, "NULL" }, + { MOUNTPROC_MNT, "MNT" }, + { MOUNTPROC_DUMP, "DUMP" }, + { MOUNTPROC_UMNT, "UMNT" }, + { MOUNTPROC_UMNTALL, "UMNTALL" }, + { MOUNTPROC_EXPORT, "EXPORT" }, + { MOUNTPROC_EXPORTALL, "EXPORTALL" }, + { MOUNTPROC_EXPORTLIST, "EXPORTLIST" }, + { MOUNTPROC_STATVFS, "STATVFS" }, + { 0, NULL } +}; +/* end of SGI mount protocol version 1 */ + +void +proto_register_mount(void) +{ + static hf_register_info hf[] = { + { &hf_mount_procedure_v1, { + "V1 Procedure", "mount.procedure_v1", FT_UINT32, BASE_DEC, + VALS(mount1_proc_vals), 0, "V1 Procedure", HFILL }}, + { &hf_mount_procedure_v2, { + "V2 Procedure", "mount.procedure_v2", FT_UINT32, BASE_DEC, + VALS(mount2_proc_vals), 0, "V2 Procedure", HFILL }}, + { &hf_mount_procedure_v3, { + "V3 Procedure", "mount.procedure_v3", FT_UINT32, BASE_DEC, + VALS(mount3_proc_vals), 0, "V3 Procedure", HFILL }}, + { &hf_sgi_mount_procedure_v1, { + "SGI V1 procedure", "mount.procedure_sgi_v1", FT_UINT32, BASE_DEC, + VALS(sgi_mount1_proc_vals), 0, "SGI V1 Procedure", HFILL }}, + { &hf_mount_path, { + "Path", "mount.path", FT_STRING, BASE_DEC, + NULL, 0, "Path", HFILL }}, + { &hf_mount3_status, { + "Status", "mount.status", FT_UINT32, BASE_DEC, + VALS(mount3_mountstat3), 0, "Status", HFILL }}, + { &hf_mount_mountlist_hostname, { + "Hostname", "mount.dump.hostname", FT_STRING, BASE_DEC, + NULL, 0, "Hostname", HFILL }}, + { &hf_mount_mountlist_directory, { + "Directory", "mount.dump.directory", FT_STRING, BASE_DEC, + NULL, 0, "Directory", HFILL }}, + { &hf_mount_mountlist, { + "Mount List Entry", "mount.dump.entry", FT_NONE, 0, + NULL, 0, "Mount List Entry", HFILL }}, + { &hf_mount_groups_group, { + "Group", "mount.export.group", FT_STRING, BASE_DEC, + NULL, 0, "Group", HFILL }}, + { &hf_mount_groups, { + "Groups", "mount.export.groups", FT_NONE, 0, + NULL, 0, "Groups", HFILL }}, + { &hf_mount_has_options, { + "Has options", "mount.export.has_options", FT_UINT32, + BASE_DEC, NULL, 0, "Has options", HFILL }}, + { &hf_mount_options, { + "Options", "mount.export.options", FT_STRING, BASE_DEC, + NULL, 0, "Options", HFILL }}, + { &hf_mount_exportlist_directory, { + "Directory", "mount.export.directory", FT_STRING, BASE_DEC, + NULL, 0, "Directory", HFILL }}, + { &hf_mount_exportlist, { + "Export List Entry", "mount.export.entry", FT_NONE, 0, + NULL, 0, "Export List Entry", HFILL }}, + { &hf_mount_pathconf_link_max, { + "Maximum number of links to a file", "mount.pathconf.link_max", + FT_UINT32, BASE_DEC, + NULL, 0, "Maximum number of links allowed to a file", HFILL }}, + { &hf_mount_pathconf_max_canon, { + "Maximum terminal input line length", "mount.pathconf.max_canon", + FT_UINT16, BASE_DEC, + NULL, 0, "Max tty input line length", HFILL }}, + { &hf_mount_pathconf_max_input, { + "Terminal input buffer size", "mount.pathconf.max_input", + FT_UINT16, BASE_DEC, + NULL, 0, "Terminal input buffer size", HFILL }}, + { &hf_mount_pathconf_name_max, { + "Maximum file name length", "mount.pathconf.name_max", + FT_UINT16, BASE_DEC, + NULL, 0, "Maximum file name length", HFILL }}, + { &hf_mount_pathconf_path_max, { + "Maximum path name length", "mount.pathconf.path_max", + FT_UINT16, BASE_DEC, + NULL, 0, "Maximum path name length", HFILL }}, + { &hf_mount_pathconf_pipe_buf, { + "Pipe buffer size", "mount.pathconf.pipe_buf", + FT_UINT16, BASE_DEC, + NULL, 0, "Maximum amount of data that can be written atomically to a pipe", HFILL }}, + { &hf_mount_pathconf_vdisable, { + "VDISABLE character", "mount.pathconf.vdisable_char", + FT_UINT8, BASE_HEX, + NULL, 0, "Character value to disable a terminal special character", HFILL }}, + { &hf_mount_pathconf_mask, { + "Reply error/status bits", "mount.pathconf.mask", + FT_UINT16, BASE_HEX, + NULL, 0, "Bit mask with error and status bits", HFILL }}, + { &hf_mount_pathconf_error_all, { + "ERROR_ALL", "mount.pathconf.mask.error_all", + FT_BOOLEAN, 16, TFS(&tos_error_all), + PC_ERROR_ALL, "", HFILL }}, + { &hf_mount_pathconf_error_link_max, { + "ERROR_LINK_MAX", "mount.pathconf.mask.error_link_max", + FT_BOOLEAN, 16, TFS(&tos_error_link_max), + PC_ERROR_LINK_MAX, "", HFILL }}, + { &hf_mount_pathconf_error_max_canon, { + "ERROR_MAX_CANON", "mount.pathconf.mask.error_max_canon", + FT_BOOLEAN, 16, TFS(&tos_error_max_canon), + PC_ERROR_MAX_CANON, "", HFILL }}, + { &hf_mount_pathconf_error_max_input, { + "ERROR_MAX_INPUT", "mount.pathconf.mask.error_max_input", + FT_BOOLEAN, 16, TFS(&tos_error_max_input), + PC_ERROR_MAX_INPUT, "", HFILL }}, + { &hf_mount_pathconf_error_name_max, { + "ERROR_NAME_MAX", "mount.pathconf.mask.error_name_max", + FT_BOOLEAN, 16, TFS(&tos_error_name_max), + PC_ERROR_NAME_MAX, "", HFILL }}, + { &hf_mount_pathconf_error_path_max, { + "ERROR_PATH_MAX", "mount.pathconf.mask.error_path_max", + FT_BOOLEAN, 16, TFS(&tos_error_path_max), + PC_ERROR_PATH_MAX, "", HFILL }}, + { &hf_mount_pathconf_error_pipe_buf, { + "ERROR_PIPE_BUF", "mount.pathconf.mask.error_pipe_buf", + FT_BOOLEAN, 16, TFS(&tos_error_pipe_buf), + PC_ERROR_PIPE_BUF, "", HFILL }}, + { &hf_mount_pathconf_chown_restricted, { + "CHOWN_RESTRICTED", "mount.pathconf.mask.chown_restricted", + FT_BOOLEAN, 16, TFS(&tos_chown_restricted), + PC_CHOWN_RESTRICTED, "", HFILL }}, + { &hf_mount_pathconf_no_trunc, { + "NO_TRUNC", "mount.pathconf.mask.no_trunc", + FT_BOOLEAN, 16, TFS(&tos_no_trunc), + PC_NO_TRUNC, "", HFILL }}, + { &hf_mount_pathconf_error_vdisable, { + "ERROR_VDISABLE", "mount.pathconf.mask.error_vdisable", + FT_BOOLEAN, 16, TFS(&tos_error_vdisable), + PC_ERROR_VDISABLE, "", HFILL }}, + { &hf_mount_statvfs_bsize, { + "Block size", "mount.statvfs.f_bsize", + FT_UINT32, BASE_DEC, NULL, 0, + "File system block size", HFILL }}, + { &hf_mount_statvfs_frsize, { + "Fragment size", "mount.statvfs.f_frsize", + FT_UINT32, BASE_DEC, NULL, 0, + "File system fragment size", HFILL }}, + { &hf_mount_statvfs_blocks, { + "Blocks", "mount.statvfs.f_blocks", + FT_UINT32, BASE_DEC, NULL, 0, + "Total fragment sized blocks", HFILL }}, + { &hf_mount_statvfs_bfree, { + "Blocks Free", "mount.statvfs.f_bfree", + FT_UINT32, BASE_DEC, NULL, 0, + "Free fragment sized blocks", HFILL }}, + { &hf_mount_statvfs_bavail, { + "Blocks Available", "mount.statvfs.f_bavail", + FT_UINT32, BASE_DEC, NULL, 0, + "Available fragment sized blocks", HFILL }}, + { &hf_mount_statvfs_files, { + "Files", "mount.statvfs.f_files", + FT_UINT32, BASE_DEC, NULL, 0, + "Total files/inodes", HFILL }}, + { &hf_mount_statvfs_ffree, { + "Files Free", "mount.statvfs.f_ffree", + FT_UINT32, BASE_DEC, NULL, 0, + "Free files/inodes", HFILL }}, + { &hf_mount_statvfs_favail, { + "Files Available", "mount.statvfs.f_favail", + FT_UINT32, BASE_DEC, NULL, 0, + "Available files/inodes", HFILL }}, + { &hf_mount_statvfs_fsid, { + "File system ID", "mount.statvfs.f_fsid", + FT_UINT32, BASE_DEC, NULL, 0, + "File system identifier", HFILL }}, + { &hf_mount_statvfs_basetype, { + "Type", "mount.statvfs.f_basetype", + FT_STRING, BASE_DEC, NULL, 0, + "File system type", HFILL }}, + { &hf_mount_statvfs_flag, { + "Flags", "mount.statvfs.f_flag", + FT_UINT32, BASE_HEX, NULL, 0, + "Flags bit-mask", HFILL }}, + { &hf_mount_statvfs_flag_rdonly, { + "ST_RDONLY", "mount.statvfs.f_flag.st_rdonly", + FT_BOOLEAN, 32, TFS(&tos_st_rdonly), ST_RDONLY, + "", HFILL }}, + { &hf_mount_statvfs_flag_nosuid, { + "ST_NOSUID", "mount.statvfs.f_flag.st_nosuid", + FT_BOOLEAN, 32, TFS(&tos_st_nosuid), ST_NOSUID, + "", HFILL }}, + { &hf_mount_statvfs_flag_notrunc, { + "ST_NOTRUNC", "mount.statvfs.f_flag.st_notrunc", + FT_BOOLEAN, 32, TFS(&tos_st_notrunc), ST_NOTRUNC, + "", HFILL }}, + { &hf_mount_statvfs_flag_nodev, { + "ST_NODEV", "mount.statvfs.f_flag.st_nodev", + FT_BOOLEAN, 32, TFS(&tos_st_nodev), ST_NODEV, + "", HFILL }}, + { &hf_mount_statvfs_flag_grpid, { + "ST_GRPID", "mount.statvfs.f_flag.st_grpid", + FT_BOOLEAN, 32, TFS(&tos_st_grpid), ST_GRPID, + "", HFILL }}, + { &hf_mount_statvfs_flag_local, { + "ST_LOCAL", "mount.statvfs.f_flag.st_local", + FT_BOOLEAN, 32, TFS(&tos_st_local), ST_LOCAL, + "", HFILL }}, + { &hf_mount_statvfs_namemax, { + "Maximum file name length", "mount.statvfs.f_namemax", + FT_UINT32, BASE_DEC, NULL, 0, + "Maximum file name length", HFILL }}, + { &hf_mount_statvfs_fstr, { + "File system specific string", "mount.statvfs.f_fstr", + FT_BYTES, BASE_HEX, NULL, 0, + "File system specific string", HFILL }}, + { &hf_mount_flavors, { + "Flavors", "mount.flavors", FT_UINT32, BASE_DEC, + NULL, 0, "Flavors", HFILL }}, + { &hf_mount_flavor, { + "Flavor", "mount.flavor", FT_UINT32, BASE_DEC, + VALS(rpc_auth_flavor), 0, "Flavor", HFILL }}, + }; + static gint *ett[] = { + &ett_mount, + &ett_mount_mountlist, + &ett_mount_groups, + &ett_mount_exportlist, + &ett_mount_pathconf_mask, + &ett_mount_statvfs_flag, + }; + + proto_mount = proto_register_protocol("Mount Service", "MOUNT", + "mount"); + proto_sgi_mount = proto_register_protocol("SGI Mount Service", + "SGI MOUNT", "sgimount"); + proto_register_field_array(proto_mount, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_mount(void) +{ + /* Register the protocol as RPC */ + rpc_init_prog(proto_mount, MOUNT_PROGRAM, ett_mount); + rpc_init_prog(proto_sgi_mount, SGI_MOUNT_PROGRAM, ett_mount); + /* Register the procedure tables */ + rpc_init_proc_table(MOUNT_PROGRAM, 1, mount1_proc, hf_mount_procedure_v1); + rpc_init_proc_table(MOUNT_PROGRAM, 2, mount2_proc, hf_mount_procedure_v2); + rpc_init_proc_table(MOUNT_PROGRAM, 3, mount3_proc, hf_mount_procedure_v3); + rpc_init_proc_table(SGI_MOUNT_PROGRAM, 1, sgi_mount1_proc, hf_sgi_mount_procedure_v1); +} |