Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 864 insertions, 0 deletions

diff --git a/source4/ntvfs/posix/pvfs_search.c b/source4/ntvfs/posix/pvfs_search.c
new file mode 100644
index 0000000..f50319b
--- /dev/null
+++ b/source4/ntvfs/posix/pvfs_search.c
@@ -0,0 +1,864 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   POSIX NTVFS backend - directory search functions
+
+   Copyright (C) Andrew Tridgell 2004
+
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "vfs_posix.h"
+#include "system/time.h"
+#include "librpc/gen_ndr/security.h"
+#include "samba/service_stream.h"
+#include "lib/events/events.h"
+#include "../lib/util/dlinklist.h"
+
+/* place a reasonable limit on old-style searches as clients tend to
+   not send search close requests */
+#define MAX_OLD_SEARCHES 2000
+#define MAX_SEARCH_HANDLES (UINT16_MAX - 1)
+#define INVALID_SEARCH_HANDLE UINT16_MAX
+
+/*
+  destroy an open search
+*/
+static int pvfs_search_destructor(struct pvfs_search_state *search)
+{
+	DLIST_REMOVE(search->pvfs->search.list, search);
+	idr_remove(search->pvfs->search.idtree, search->handle);
+	return 0;
+}
+
+/*
+  called when a search timer goes off
+*/
+static void pvfs_search_timer(struct tevent_context *ev, struct tevent_timer *te, 
+				      struct timeval t, void *ptr)
+{
+	struct pvfs_search_state *search = talloc_get_type(ptr, struct pvfs_search_state);
+	talloc_free(search);
+}
+
+/*
+  setup a timer to destroy a open search after a inactivity period
+*/
+static void pvfs_search_setup_timer(struct pvfs_search_state *search)
+{
+	struct tevent_context *ev = search->pvfs->ntvfs->ctx->event_ctx;
+	if (search->handle == INVALID_SEARCH_HANDLE) return;
+	talloc_free(search->te);
+	search->te = tevent_add_timer(ev, search,
+				     timeval_current_ofs(search->pvfs->search.inactivity_time, 0), 
+				     pvfs_search_timer, search);
+}
+
+/*
+  fill in a single search result for a given info level
+*/
+static NTSTATUS fill_search_info(struct pvfs_state *pvfs,
+				 enum smb_search_data_level level,
+				 const char *unix_path,
+				 const char *fname, 
+				 struct pvfs_search_state *search,
+				 off_t dir_offset,
+				 union smb_search_data *file)
+{
+	struct pvfs_filename *name;
+	NTSTATUS status;
+	const char *shortname;
+	uint32_t dir_index = (uint32_t)dir_offset; /* truncated - see the code 
+						      in pvfs_list_seek_ofs() for 
+						      how we cope with this */
+
+	status = pvfs_resolve_partial(pvfs, file, unix_path, fname, 0, &name);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = pvfs_match_attrib(pvfs, name, search->search_attrib, search->must_attrib);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	switch (level) {
+	case RAW_SEARCH_DATA_SEARCH:
+		shortname = pvfs_short_name(pvfs, name, name);
+		file->search.attrib           = name->dos.attrib;
+		file->search.write_time       = nt_time_to_unix(name->dos.write_time);
+		file->search.size             = name->st.st_size;
+		file->search.name             = shortname;
+		file->search.id.reserved      = search->handle >> 8;
+		memset(file->search.id.name, ' ', sizeof(file->search.id.name));
+		memcpy(file->search.id.name, shortname, 
+		       MIN(strlen(shortname)+1, sizeof(file->search.id.name)));
+		file->search.id.handle        = search->handle & 0xFF;
+		file->search.id.server_cookie = dir_index;
+		file->search.id.client_cookie = 0;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_STANDARD:
+		file->standard.resume_key   = dir_index;
+		file->standard.create_time  = nt_time_to_unix(name->dos.create_time);
+		file->standard.access_time  = nt_time_to_unix(name->dos.access_time);
+		file->standard.write_time   = nt_time_to_unix(name->dos.write_time);
+		file->standard.size         = name->st.st_size;
+		file->standard.alloc_size   = name->dos.alloc_size;
+		file->standard.attrib       = name->dos.attrib;
+		file->standard.name.s       = fname;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_EA_SIZE:
+		file->ea_size.resume_key   = dir_index;
+		file->ea_size.create_time  = nt_time_to_unix(name->dos.create_time);
+		file->ea_size.access_time  = nt_time_to_unix(name->dos.access_time);
+		file->ea_size.write_time   = nt_time_to_unix(name->dos.write_time);
+		file->ea_size.size         = name->st.st_size;
+		file->ea_size.alloc_size   = name->dos.alloc_size;
+		file->ea_size.attrib       = name->dos.attrib;
+		file->ea_size.ea_size      = name->dos.ea_size;
+		file->ea_size.name.s       = fname;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_EA_LIST:
+		file->ea_list.resume_key   = dir_index;
+		file->ea_list.create_time  = nt_time_to_unix(name->dos.create_time);
+		file->ea_list.access_time  = nt_time_to_unix(name->dos.access_time);
+		file->ea_list.write_time   = nt_time_to_unix(name->dos.write_time);
+		file->ea_list.size         = name->st.st_size;
+		file->ea_list.alloc_size   = name->dos.alloc_size;
+		file->ea_list.attrib       = name->dos.attrib;
+		file->ea_list.name.s       = fname;
+		return pvfs_query_ea_list(pvfs, file, name, -1, 
+					  search->num_ea_names,
+					  search->ea_names,
+					  &file->ea_list.eas);
+
+	case RAW_SEARCH_DATA_DIRECTORY_INFO:
+		file->directory_info.file_index   = dir_index;
+		file->directory_info.create_time  = name->dos.create_time;
+		file->directory_info.access_time  = name->dos.access_time;
+		file->directory_info.write_time   = name->dos.write_time;
+		file->directory_info.change_time  = name->dos.change_time;
+		file->directory_info.size         = name->st.st_size;
+		file->directory_info.alloc_size   = name->dos.alloc_size;
+		file->directory_info.attrib       = name->dos.attrib;
+		file->directory_info.name.s       = fname;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
+		file->full_directory_info.file_index   = dir_index;
+		file->full_directory_info.create_time  = name->dos.create_time;
+		file->full_directory_info.access_time  = name->dos.access_time;
+		file->full_directory_info.write_time   = name->dos.write_time;
+		file->full_directory_info.change_time  = name->dos.change_time;
+		file->full_directory_info.size         = name->st.st_size;
+		file->full_directory_info.alloc_size   = name->dos.alloc_size;
+		file->full_directory_info.attrib       = name->dos.attrib;
+		file->full_directory_info.ea_size      = name->dos.ea_size;
+		file->full_directory_info.name.s       = fname;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_NAME_INFO:
+		file->name_info.file_index   = dir_index;
+		file->name_info.name.s       = fname;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
+		file->both_directory_info.file_index   = dir_index;
+		file->both_directory_info.create_time  = name->dos.create_time;
+		file->both_directory_info.access_time  = name->dos.access_time;
+		file->both_directory_info.write_time   = name->dos.write_time;
+		file->both_directory_info.change_time  = name->dos.change_time;
+		file->both_directory_info.size         = name->st.st_size;
+		file->both_directory_info.alloc_size   = name->dos.alloc_size;
+		file->both_directory_info.attrib       = name->dos.attrib;
+		file->both_directory_info.ea_size      = name->dos.ea_size;
+		file->both_directory_info.short_name.s = pvfs_short_name(pvfs, file, name);
+		file->both_directory_info.name.s       = fname;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
+		file->id_full_directory_info.file_index   = dir_index;
+		file->id_full_directory_info.create_time  = name->dos.create_time;
+		file->id_full_directory_info.access_time  = name->dos.access_time;
+		file->id_full_directory_info.write_time   = name->dos.write_time;
+		file->id_full_directory_info.change_time  = name->dos.change_time;
+		file->id_full_directory_info.size         = name->st.st_size;
+		file->id_full_directory_info.alloc_size   = name->dos.alloc_size;
+		file->id_full_directory_info.attrib       = name->dos.attrib;
+		file->id_full_directory_info.ea_size      = name->dos.ea_size;
+		file->id_full_directory_info.file_id      = name->dos.file_id;
+		file->id_full_directory_info.name.s       = fname;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
+		file->id_both_directory_info.file_index   = dir_index;
+		file->id_both_directory_info.create_time  = name->dos.create_time;
+		file->id_both_directory_info.access_time  = name->dos.access_time;
+		file->id_both_directory_info.write_time   = name->dos.write_time;
+		file->id_both_directory_info.change_time  = name->dos.change_time;
+		file->id_both_directory_info.size         = name->st.st_size;
+		file->id_both_directory_info.alloc_size   = name->dos.alloc_size;
+		file->id_both_directory_info.attrib       = name->dos.attrib;
+		file->id_both_directory_info.ea_size      = name->dos.ea_size;
+		file->id_both_directory_info.file_id      = name->dos.file_id;
+		file->id_both_directory_info.short_name.s = pvfs_short_name(pvfs, file, name);
+		file->id_both_directory_info.name.s       = fname;
+		return NT_STATUS_OK;
+
+	case RAW_SEARCH_DATA_GENERIC:
+	case RAW_SEARCH_DATA_UNIX_INFO:
+	case RAW_SEARCH_DATA_UNIX_INFO2:
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	return NT_STATUS_INVALID_LEVEL;
+}
+
+
+/*
+  the search fill loop
+*/
+static NTSTATUS pvfs_search_fill(struct pvfs_state *pvfs, TALLOC_CTX *mem_ctx, 
+				 unsigned int max_count,
+				 struct pvfs_search_state *search,
+				 enum smb_search_data_level level,
+				 unsigned int *reply_count,
+				 void *search_private, 
+				 bool (*callback)(void *, const union smb_search_data *))
+{
+	struct pvfs_dir *dir = search->dir;
+	NTSTATUS status;
+
+	*reply_count = 0;
+
+	if (max_count == 0) {
+		max_count = 1;
+	}
+
+	while ((*reply_count) < max_count) {
+		union smb_search_data *file;
+		const char *name;
+		off_t ofs = search->current_index;
+
+		name = pvfs_list_next(dir, &search->current_index);
+		if (name == NULL) break;
+
+		file = talloc(mem_ctx, union smb_search_data);
+		if (!file) {
+			return NT_STATUS_NO_MEMORY;
+		}
+
+		status = fill_search_info(pvfs, level, 
+					  pvfs_list_unix_path(dir), name, 
+					  search, search->current_index, file);
+		if (!NT_STATUS_IS_OK(status)) {
+			talloc_free(file);
+			continue;
+		}
+
+		if (!callback(search_private, file)) {
+			talloc_free(file);
+			search->current_index = ofs;
+			break;
+		}
+
+		(*reply_count)++;
+		talloc_free(file);
+	}
+
+	pvfs_search_setup_timer(search);
+
+	return NT_STATUS_OK;
+}
+
+/*
+  we've run out of search handles - cleanup those that the client forgot
+  to close
+*/
+static void pvfs_search_cleanup(struct pvfs_state *pvfs)
+{
+	int i;
+	time_t t = time_mono(NULL);
+
+	for (i=0;i<MAX_OLD_SEARCHES;i++) {
+		struct pvfs_search_state *search;
+		void *p = idr_find(pvfs->search.idtree, i);
+
+		if (p == NULL) return;
+
+		search = talloc_get_type(p, struct pvfs_search_state);
+		if (pvfs_list_eos(search->dir, search->current_index) &&
+		    search->last_used != 0 &&
+		    t > search->last_used + 30) {
+			/* its almost certainly been forgotten
+			 about */
+			talloc_free(search);
+		}
+	}
+}
+
+
+/* 
+   list files in a directory matching a wildcard pattern - old SMBsearch interface
+*/
+static NTSTATUS pvfs_search_first_old(struct ntvfs_module_context *ntvfs,
+				      struct ntvfs_request *req, union smb_search_first *io, 
+				      void *search_private, 
+				      bool (*callback)(void *, const union smb_search_data *))
+{
+	struct pvfs_dir *dir;
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	struct pvfs_search_state *search;
+	unsigned int reply_count;
+	uint16_t search_attrib;
+	const char *pattern;
+	NTSTATUS status;
+	struct pvfs_filename *name;
+	int id;
+
+	search_attrib = io->search_first.in.search_attrib;
+	pattern       = io->search_first.in.pattern;
+
+	/* resolve the cifs name to a posix name */
+	status = pvfs_resolve_name(pvfs, req, pattern, PVFS_RESOLVE_WILDCARD, &name);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	if (!name->has_wildcard && !name->exists) {
+		return STATUS_NO_MORE_FILES;
+	}
+
+	status = pvfs_access_check_parent(pvfs, req, name, SEC_DIR_TRAVERSE | SEC_DIR_LIST);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	/* we initially make search a child of the request, then if we
+	   need to keep it long term we steal it for the private
+	   structure */
+	search = talloc(req, struct pvfs_search_state);
+	if (!search) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* do the actual directory listing */
+	status = pvfs_list_start(pvfs, name, search, &dir);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	/* we need to give a handle back to the client so it
+	   can continue a search */
+	id = idr_get_new(pvfs->search.idtree, search, MAX_OLD_SEARCHES);
+	if (id == -1) {
+		pvfs_search_cleanup(pvfs);
+		id = idr_get_new(pvfs->search.idtree, search, MAX_OLD_SEARCHES);
+	}
+	if (id == -1) {
+		return NT_STATUS_INSUFFICIENT_RESOURCES;
+	}
+
+	search->pvfs = pvfs;
+	search->handle = id;
+	search->dir = dir;
+	search->current_index = 0;
+	search->search_attrib = search_attrib & 0xFF;
+	search->must_attrib = (search_attrib>>8) & 0xFF;
+	search->last_used = time_mono(NULL);
+	search->te = NULL;
+
+	DLIST_ADD(pvfs->search.list, search);
+
+	talloc_set_destructor(search, pvfs_search_destructor);
+
+	status = pvfs_search_fill(pvfs, req, io->search_first.in.max_count, search, io->generic.data_level,
+				  &reply_count, search_private, callback);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	io->search_first.out.count = reply_count;
+
+	/* not matching any entries is an error */
+	if (reply_count == 0) {
+		return STATUS_NO_MORE_FILES;
+	}
+
+	talloc_steal(pvfs, search);
+
+	return NT_STATUS_OK;
+}
+
+/* continue a old style search */
+static NTSTATUS pvfs_search_next_old(struct ntvfs_module_context *ntvfs,
+				     struct ntvfs_request *req, union smb_search_next *io, 
+				     void *search_private, 
+				     bool (*callback)(void *, const union smb_search_data *))
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	void *p;
+	struct pvfs_search_state *search;
+	struct pvfs_dir *dir;
+	unsigned int reply_count, max_count;
+	uint16_t handle;
+	NTSTATUS status;
+
+	handle    = io->search_next.in.id.handle | (io->search_next.in.id.reserved<<8);
+	max_count = io->search_next.in.max_count;
+
+	p = idr_find(pvfs->search.idtree, handle);
+	if (p == NULL) {
+		/* we didn't find the search handle */
+		return NT_STATUS_INVALID_HANDLE;
+	}
+
+	search = talloc_get_type(p, struct pvfs_search_state);
+
+	dir = search->dir;
+
+	status = pvfs_list_seek_ofs(dir, io->search_next.in.id.server_cookie, 
+				    &search->current_index);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+	search->last_used = time_mono(NULL);
+
+	status = pvfs_search_fill(pvfs, req, max_count, search, io->generic.data_level,
+				  &reply_count, search_private, callback);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	io->search_next.out.count = reply_count;
+
+	/* not matching any entries means end of search */
+	if (reply_count == 0) {
+		talloc_free(search);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/* 
+   list files in a directory matching a wildcard pattern
+*/
+static NTSTATUS pvfs_search_first_trans2(struct ntvfs_module_context *ntvfs,
+					 struct ntvfs_request *req, union smb_search_first *io, 
+					 void *search_private, 
+					 bool (*callback)(void *, const union smb_search_data *))
+{
+	struct pvfs_dir *dir;
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	struct pvfs_search_state *search;
+	unsigned int reply_count;
+	uint16_t search_attrib, max_count;
+	const char *pattern;
+	NTSTATUS status;
+	struct pvfs_filename *name;
+	int id;
+
+	search_attrib = io->t2ffirst.in.search_attrib;
+	pattern       = io->t2ffirst.in.pattern;
+	max_count     = io->t2ffirst.in.max_count;
+
+	/* resolve the cifs name to a posix name */
+	status = pvfs_resolve_name(pvfs, req, pattern, PVFS_RESOLVE_WILDCARD, &name);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	if (!name->has_wildcard && !name->exists) {
+		return NT_STATUS_NO_SUCH_FILE;
+	}
+
+	status = pvfs_access_check_parent(pvfs, req, name, SEC_DIR_TRAVERSE | SEC_DIR_LIST);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	/* we initially make search a child of the request, then if we
+	   need to keep it long term we steal it for the private
+	   structure */
+	search = talloc(req, struct pvfs_search_state);
+	if (!search) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* do the actual directory listing */
+	status = pvfs_list_start(pvfs, name, search, &dir);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	id = idr_get_new(pvfs->search.idtree, search, MAX_SEARCH_HANDLES);
+	if (id == -1) {
+		return NT_STATUS_INSUFFICIENT_RESOURCES;
+	}
+
+	search->pvfs = pvfs;
+	search->handle = id;
+	search->dir = dir;
+	search->current_index = 0;
+	search->search_attrib = search_attrib;
+	search->must_attrib = 0;
+	search->last_used = 0;
+	search->num_ea_names = io->t2ffirst.in.num_names;
+	search->ea_names = io->t2ffirst.in.ea_names;
+	search->te = NULL;
+
+	DLIST_ADD(pvfs->search.list, search);
+	talloc_set_destructor(search, pvfs_search_destructor);
+
+	status = pvfs_search_fill(pvfs, req, max_count, search, io->generic.data_level,
+				  &reply_count, search_private, callback);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	/* not matching any entries is an error */
+	if (reply_count == 0) {
+		return NT_STATUS_NO_SUCH_FILE;
+	}
+
+	io->t2ffirst.out.count = reply_count;
+	io->t2ffirst.out.handle = search->handle;
+	io->t2ffirst.out.end_of_search = pvfs_list_eos(dir, search->current_index) ? 1 : 0;
+
+	/* work out if we are going to keep the search state
+	   and allow for a search continue */
+	if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
+	    ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && 
+	     io->t2ffirst.out.end_of_search)) {
+		talloc_free(search);
+	} else {
+		talloc_steal(pvfs, search);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/* continue a search */
+static NTSTATUS pvfs_search_next_trans2(struct ntvfs_module_context *ntvfs,
+					struct ntvfs_request *req, union smb_search_next *io, 
+					void *search_private, 
+					bool (*callback)(void *, const union smb_search_data *))
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	void *p;
+	struct pvfs_search_state *search;
+	struct pvfs_dir *dir;
+	unsigned int reply_count;
+	uint16_t handle;
+	NTSTATUS status;
+
+	handle = io->t2fnext.in.handle;
+
+	p = idr_find(pvfs->search.idtree, handle);
+	if (p == NULL) {
+		/* we didn't find the search handle */
+		return NT_STATUS_INVALID_HANDLE;
+	}
+
+	search = talloc_get_type(p, struct pvfs_search_state);
+
+	dir = search->dir;
+	
+	status = NT_STATUS_OK;
+
+	/* work out what type of continuation is being used */
+	if (io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
+		status = pvfs_list_seek(dir, io->t2fnext.in.last_name, &search->current_index);
+		if (!NT_STATUS_IS_OK(status) && io->t2fnext.in.resume_key) {
+			status = pvfs_list_seek_ofs(dir, io->t2fnext.in.resume_key, 
+						    &search->current_index);
+		}
+	} else if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE)) {
+		status = pvfs_list_seek_ofs(dir, io->t2fnext.in.resume_key, 
+					    &search->current_index);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	search->num_ea_names = io->t2fnext.in.num_names;
+	search->ea_names = io->t2fnext.in.ea_names;
+
+	status = pvfs_search_fill(pvfs, req, io->t2fnext.in.max_count, search, io->generic.data_level,
+				  &reply_count, search_private, callback);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	io->t2fnext.out.count = reply_count;
+	io->t2fnext.out.end_of_search = pvfs_list_eos(dir, search->current_index) ? 1 : 0;
+
+	/* work out if we are going to keep the search state */
+	if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
+	    ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && 
+	     io->t2fnext.out.end_of_search)) {
+		talloc_free(search);
+	}
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS pvfs_search_first_smb2(struct ntvfs_module_context *ntvfs,
+				       struct ntvfs_request *req, const struct smb2_find *io, 
+				       void *search_private, 
+				       bool (*callback)(void *, const union smb_search_data *))
+{
+	struct pvfs_dir *dir;
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	struct pvfs_search_state *search;
+	unsigned int reply_count;
+	uint16_t max_count;
+	const char *pattern;
+	NTSTATUS status;
+	struct pvfs_filename *name;
+	struct pvfs_file *f;
+
+	f = pvfs_find_fd(pvfs, req, io->in.file.ntvfs);
+	if (!f) {
+		return NT_STATUS_FILE_CLOSED;
+	}
+
+	/* its only valid for directories */
+	if (f->handle->fd != -1) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	if (!(f->access_mask & SEC_DIR_LIST)) {
+		return NT_STATUS_ACCESS_DENIED;
+	}
+
+	if (f->search) {
+		talloc_free(f->search);
+		f->search = NULL;
+	}
+
+	if (strequal(io->in.pattern, "")) {
+		return NT_STATUS_OBJECT_NAME_INVALID;
+	}
+	if (strchr_m(io->in.pattern, '\\')) {
+		return NT_STATUS_OBJECT_NAME_INVALID;
+	}
+	if (strchr_m(io->in.pattern, '/')) {
+		return NT_STATUS_OBJECT_NAME_INVALID;
+	}
+
+	if (strequal("", f->handle->name->original_name)) {
+		pattern = talloc_asprintf(req, "%s", io->in.pattern);
+		NT_STATUS_HAVE_NO_MEMORY(pattern);
+	} else {
+		pattern = talloc_asprintf(req, "%s\\%s",
+					  f->handle->name->original_name,
+					  io->in.pattern);
+		NT_STATUS_HAVE_NO_MEMORY(pattern);
+	}
+
+	/* resolve the cifs name to a posix name */
+	status = pvfs_resolve_name(pvfs, req, pattern, PVFS_RESOLVE_WILDCARD, &name);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	if (!name->has_wildcard && !name->exists) {
+		return NT_STATUS_NO_SUCH_FILE;
+	}
+
+	/* we initially make search a child of the request, then if we
+	   need to keep it long term we steal it for the private
+	   structure */
+	search = talloc(req, struct pvfs_search_state);
+	NT_STATUS_HAVE_NO_MEMORY(search);
+
+	/* do the actual directory listing */
+	status = pvfs_list_start(pvfs, name, search, &dir);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	search->pvfs		= pvfs;
+	search->handle		= INVALID_SEARCH_HANDLE;
+	search->dir		= dir;
+	search->current_index	= 0;
+	search->search_attrib	= 0x0000FFFF;
+	search->must_attrib	= 0;
+	search->last_used	= 0;
+	search->num_ea_names	= 0;
+	search->ea_names	= NULL;
+	search->te		= NULL;
+
+	if (io->in.continue_flags & SMB2_CONTINUE_FLAG_SINGLE) {
+		max_count = 1;
+	} else {
+		max_count = UINT16_MAX;
+	}
+
+	status = pvfs_search_fill(pvfs, req, max_count, search, io->data_level,
+				  &reply_count, search_private, callback);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	/* not matching any entries is an error */
+	if (reply_count == 0) {
+		return NT_STATUS_NO_SUCH_FILE;
+	}
+
+	f->search = talloc_steal(f, search);
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS pvfs_search_next_smb2(struct ntvfs_module_context *ntvfs,
+				      struct ntvfs_request *req, const struct smb2_find *io, 
+				      void *search_private, 
+				      bool (*callback)(void *, const union smb_search_data *))
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	struct pvfs_search_state *search;
+	unsigned int reply_count;
+	uint16_t max_count;
+	NTSTATUS status;
+	struct pvfs_file *f;
+
+	f = pvfs_find_fd(pvfs, req, io->in.file.ntvfs);
+	if (!f) {
+		return NT_STATUS_FILE_CLOSED;
+	}
+
+	/* its only valid for directories */
+	if (f->handle->fd != -1) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	/* if there's no search started on the dir handle, it's like a search_first */
+	search = f->search;
+	if (!search) {
+		return pvfs_search_first_smb2(ntvfs, req, io, search_private, callback);
+	}
+
+	if (io->in.continue_flags & SMB2_CONTINUE_FLAG_RESTART) {
+		search->current_index = 0;
+	}
+
+	if (io->in.continue_flags & SMB2_CONTINUE_FLAG_SINGLE) {
+		max_count = 1;
+	} else {
+		max_count = UINT16_MAX;
+	}
+
+	status = pvfs_search_fill(pvfs, req, max_count, search, io->data_level,
+				  &reply_count, search_private, callback);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	/* not matching any entries is an error */
+	if (reply_count == 0) {
+		return STATUS_NO_MORE_FILES;
+	}
+
+	return NT_STATUS_OK;
+}
+
+/* 
+   list files in a directory matching a wildcard pattern
+*/
+NTSTATUS pvfs_search_first(struct ntvfs_module_context *ntvfs,
+			   struct ntvfs_request *req, union smb_search_first *io, 
+			   void *search_private, 
+			   bool (*callback)(void *, const union smb_search_data *))
+{
+	switch (io->generic.level) {
+	case RAW_SEARCH_SEARCH:
+	case RAW_SEARCH_FFIRST:
+	case RAW_SEARCH_FUNIQUE:
+		return pvfs_search_first_old(ntvfs, req, io, search_private, callback);
+
+	case RAW_SEARCH_TRANS2:
+		return pvfs_search_first_trans2(ntvfs, req, io, search_private, callback);
+
+	case RAW_SEARCH_SMB2:
+		return pvfs_search_first_smb2(ntvfs, req, &io->smb2, search_private, callback);
+	}
+
+	return NT_STATUS_INVALID_LEVEL;
+}
+
+/* continue a search */
+NTSTATUS pvfs_search_next(struct ntvfs_module_context *ntvfs,
+			  struct ntvfs_request *req, union smb_search_next *io, 
+			  void *search_private, 
+			  bool (*callback)(void *, const union smb_search_data *))
+{
+	switch (io->generic.level) {
+	case RAW_SEARCH_SEARCH:
+	case RAW_SEARCH_FFIRST:
+		return pvfs_search_next_old(ntvfs, req, io, search_private, callback);
+
+	case RAW_SEARCH_FUNIQUE:
+		return NT_STATUS_INVALID_LEVEL;
+
+	case RAW_SEARCH_TRANS2:
+		return pvfs_search_next_trans2(ntvfs, req, io, search_private, callback);
+
+	case RAW_SEARCH_SMB2:
+		return pvfs_search_next_smb2(ntvfs, req, &io->smb2, search_private, callback);
+	}
+
+	return NT_STATUS_INVALID_LEVEL;
+}
+
+
+/* close a search */
+NTSTATUS pvfs_search_close(struct ntvfs_module_context *ntvfs,
+			   struct ntvfs_request *req, union smb_search_close *io)
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	void *p;
+	struct pvfs_search_state *search;
+	uint16_t handle = INVALID_SEARCH_HANDLE;
+
+	switch (io->generic.level) {
+	case RAW_FINDCLOSE_GENERIC:
+		return NT_STATUS_INVALID_LEVEL;
+
+	case RAW_FINDCLOSE_FCLOSE:
+		handle = io->fclose.in.id.handle;
+		break;
+
+	case RAW_FINDCLOSE_FINDCLOSE:
+		handle = io->findclose.in.handle;
+		break;
+	}
+
+	p = idr_find(pvfs->search.idtree, handle);
+	if (p == NULL) {
+		/* we didn't find the search handle */
+		return NT_STATUS_INVALID_HANDLE;
+	}
+
+	search = talloc_get_type(p, struct pvfs_search_state);
+
+	talloc_free(search);
+
+	return NT_STATUS_OK;
+}
+