+++ /dev/null
-/*
- Unix SMB/CIFS implementation.
-
- CIFS-to-SMB2 NTVFS filesystem backend
-
- Copyright (C) Andrew Tridgell 2008
-
- largely based on vfs_cifs.c which was
- Copyright (C) Andrew Tridgell 2003
- Copyright (C) James J Myers 2003 <myersjj@samba.org>
-
- 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/>.
-*/
-/*
- this implements a CIFS->CIFS NTVFS filesystem backend.
-
-*/
-
-#include "includes.h"
-#include "libcli/raw/libcliraw.h"
-#include "libcli/raw/raw_proto.h"
-#include "libcli/composite/composite.h"
-#include "libcli/smb_composite/smb_composite.h"
-#include "auth/auth.h"
-#include "auth/credentials/credentials.h"
-#include "ntvfs/ntvfs.h"
-#include "../lib/util/dlinklist.h"
-#include "param/param.h"
-#include "libcli/resolve/resolve.h"
-#include "libcli/smb2/smb2.h"
-#include "libcli/smb2/smb2_calls.h"
-
-NTSTATUS ntvfs_smb2_init(TALLOC_CTX *);
-
-struct cvfs_file {
- struct cvfs_file *prev, *next;
- uint16_t fnum;
- struct ntvfs_handle *h;
-};
-
-/* this is stored in ntvfs_private */
-struct cvfs_private {
- struct smb2_tree *tree;
- struct smb2_transport *transport;
- struct ntvfs_module_context *ntvfs;
- struct async_info *pending;
- struct cvfs_file *files;
-
- /* a handle on the root of the share */
- /* TODO: leaving this handle open could prevent other users
- from opening the share with exclusive access. We probably
- need to open it on demand */
- struct smb2_handle roothandle;
-};
-
-
-/* a structure used to pass information to an async handler */
-struct async_info {
- struct async_info *next, *prev;
- struct cvfs_private *cvfs;
- struct ntvfs_request *req;
- void *c_req;
- struct composite_context *c_comp;
- struct cvfs_file *f;
- void *parms;
-};
-
-#define SETUP_FILE_HERE(f) do { \
- f = ntvfs_handle_get_backend_data(io->generic.in.file.ntvfs, ntvfs); \
- if (!f) return NT_STATUS_INVALID_HANDLE; \
- io->generic.in.file.fnum = f->fnum; \
-} while (0)
-
-#define SETUP_FILE do { \
- struct cvfs_file *f; \
- SETUP_FILE_HERE(f); \
-} while (0)
-
-#define SMB2_SERVER "smb2:server"
-#define SMB2_USER "smb2:user"
-#define SMB2_PASSWORD "smb2:password"
-#define SMB2_DOMAIN "smb2:domain"
-#define SMB2_SHARE "smb2:share"
-#define SMB2_USE_MACHINE_ACCT "smb2:use-machine-account"
-
-#define SMB2_USE_MACHINE_ACCT_DEFAULT false
-
-/*
- a handler for oplock break events from the server - these need to be passed
- along to the client
- */
-#if 0
-static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *p_private)
-{
- struct cvfs_private *p = p_private;
- NTSTATUS status;
- struct ntvfs_handle *h = NULL;
- struct cvfs_file *f;
-
- for (f=p->files; f; f=f->next) {
- if (f->fnum != fnum) continue;
- h = f->h;
- break;
- }
-
- if (!h) {
- DEBUG(5,("vfs_smb2: ignoring oplock break level %d for fnum %d\n", level, fnum));
- return true;
- }
-
- DEBUG(5,("vfs_smb2: sending oplock break level %d for fnum %d\n", level, fnum));
- status = ntvfs_send_oplock_break(p->ntvfs, h, level);
- if (!NT_STATUS_IS_OK(status)) return false;
- return true;
-}
-#endif
-
-/*
- return a handle to the root of the share
-*/
-static NTSTATUS smb2_get_roothandle(struct smb2_tree *tree, struct smb2_handle *handle)
-{
- struct smb2_create io;
- NTSTATUS status;
-
- ZERO_STRUCT(io);
- io.in.oplock_level = 0;
- io.in.desired_access = SEC_STD_SYNCHRONIZE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_LIST;
- io.in.file_attributes = 0;
- io.in.create_disposition = NTCREATEX_DISP_OPEN;
- io.in.share_access =
- NTCREATEX_SHARE_ACCESS_READ |
- NTCREATEX_SHARE_ACCESS_WRITE|
- NTCREATEX_SHARE_ACCESS_DELETE;
- io.in.create_options = 0;
- io.in.fname = NULL;
-
- status = smb2_create(tree, tree, &io);
- NT_STATUS_NOT_OK_RETURN(status);
-
- *handle = io.out.file.handle;
-
- return NT_STATUS_OK;
-}
-
-/*
- connect to a share - used when a tree_connect operation comes in.
-*/
-static NTSTATUS cvfs_connect(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req,
- union smb_tcon* tcon)
-{
- NTSTATUS status;
- struct cvfs_private *p;
- const char *host, *user, *pass, *domain, *remote_share, *sharename;
- struct share_config *scfg = ntvfs->ctx->config;
- struct smb2_tree *tree;
- struct cli_credentials *credentials;
- bool machine_account;
- struct smbcli_options options;
- TALLOC_CTX *tmp_ctx;
-
- tmp_ctx = talloc_new(req);
- if (tmp_ctx == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
-
- switch (tcon->generic.level) {
- case RAW_TCON_TCON:
- sharename = tcon->tcon.in.service;
- break;
- case RAW_TCON_TCONX:
- sharename = tcon->tconx.in.path;
- break;
- case RAW_TCON_SMB2:
- sharename = tcon->smb2.in.path;
- break;
- default:
- status = NT_STATUS_INVALID_LEVEL;
- goto out;
- }
-
- if (strncmp(sharename, "\\\\", 2) == 0) {
- char *str = strchr(sharename+2, '\\');
- if (str) {
- sharename = str + 1;
- }
- }
-
- /* Here we need to determine which server to connect to.
- * For now we use parametric options, type cifs.
- */
- host = share_string_option(tmp_ctx, scfg, SMB2_SERVER, NULL);
- user = share_string_option(tmp_ctx, scfg, SMB2_USER, NULL);
- pass = share_string_option(tmp_ctx, scfg, SMB2_PASSWORD, NULL);
- domain = share_string_option(tmp_ctx, scfg, SMB2_DOMAIN, NULL);
- remote_share = share_string_option(tmp_ctx, scfg, SMB2_SHARE, NULL);
- if (!remote_share) {
- remote_share = sharename;
- }
-
- machine_account = share_bool_option(scfg, SMB2_USE_MACHINE_ACCT, SMB2_USE_MACHINE_ACCT_DEFAULT);
-
- p = talloc_zero(ntvfs, struct cvfs_private);
- if (!p) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
-
- ntvfs->private_data = p;
-
- if (!host) {
- DEBUG(1,("CIFS backend: You must supply server\n"));
- status = NT_STATUS_INVALID_PARAMETER;
- goto out;
- }
-
- if (user && pass) {
- DEBUG(5, ("CIFS backend: Using specified password\n"));
- credentials = cli_credentials_init(p);
- if (!credentials) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
- cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
- cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
- if (domain) {
- cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
- }
- cli_credentials_set_password(credentials, pass, CRED_SPECIFIED);
- } else if (machine_account) {
- DEBUG(5, ("CIFS backend: Using machine account\n"));
- credentials = cli_credentials_init(p);
- cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
- if (domain) {
- cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
- }
- status = cli_credentials_set_machine_account(credentials, ntvfs->ctx->lp_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- } else if (req->session_info->credentials) {
- DEBUG(5, ("CIFS backend: Using delegated credentials\n"));
- credentials = req->session_info->credentials;
- } else {
- DEBUG(1,("CIFS backend: NO delegated credentials found: You must supply server, user and password or the client must supply delegated credentials\n"));
- status = NT_STATUS_INVALID_PARAMETER;
- goto out;
- }
-
- lpcfg_smbcli_options(ntvfs->ctx->lp_ctx, &options);
-
- status = smb2_connect(p, host,
- lpcfg_parm_string_list(p, ntvfs->ctx->lp_ctx, NULL, "smb2", "ports", NULL),
- remote_share,
- lpcfg_resolve_context(ntvfs->ctx->lp_ctx),
- credentials,
- &tree,
- ntvfs->ctx->event_ctx, &options,
- lpcfg_socket_options(ntvfs->ctx->lp_ctx),
- lpcfg_gensec_settings(p, ntvfs->ctx->lp_ctx));
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- status = smb2_get_roothandle(tree, &p->roothandle);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- p->tree = tree;
- p->transport = p->tree->session->transport;
- p->ntvfs = ntvfs;
-
- ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
- if (ntvfs->ctx->fs_type == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
- ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
- if (ntvfs->ctx->dev_type == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
-
- if (tcon->generic.level == RAW_TCON_TCONX) {
- tcon->tconx.out.fs_type = ntvfs->ctx->fs_type;
- tcon->tconx.out.dev_type = ntvfs->ctx->dev_type;
- }
-
- /* we need to receive oplock break requests from the server */
- /* TODO: enable oplocks
- smbcli_oplock_handler(p->transport, oplock_handler, p);
- */
-
- status = NT_STATUS_OK;
-
-out:
- TALLOC_FREE(tmp_ctx);
- return status;
-}
-
-/*
- disconnect from a share
-*/
-static NTSTATUS cvfs_disconnect(struct ntvfs_module_context *ntvfs)
-{
- struct cvfs_private *p = ntvfs->private_data;
- struct async_info *a, *an;
-
- /* first cleanup pending requests */
- for (a=p->pending; a; a = an) {
- an = a->next;
- talloc_free(a->c_req);
- talloc_free(a);
- }
-
- talloc_free(p);
- ntvfs->private_data = NULL;
-
- return NT_STATUS_OK;
-}
-
-/*
- destroy an async info structure
-*/
-static int async_info_destructor(struct async_info *async)
-{
- DLIST_REMOVE(async->cvfs->pending, async);
- return 0;
-}
-
-/*
- a handler for simple async SMB2 replies
- this handler can only be used for functions that don't return any
- parameters (those that just return a status code)
- */
-static void async_simple_smb2(struct smb2_request *c_req)
-{
- struct async_info *async = c_req->async.private_data;
- struct ntvfs_request *req = async->req;
-
- smb2_request_receive(c_req);
- req->async_states->status = smb2_request_destroy(c_req);
- talloc_free(async);
- req->async_states->send_fn(req);
-}
-
-/*
- a handler for simple async composite replies
- this handler can only be used for functions that don't return any
- parameters (those that just return a status code)
- */
-static void async_simple_composite(struct composite_context *c_req)
-{
- struct async_info *async = c_req->async.private_data;
- struct ntvfs_request *req = async->req;
-
- req->async_states->status = composite_wait_free(c_req);
- talloc_free(async);
- req->async_states->send_fn(req);
-}
-
-
-/* save some typing for the simple functions */
-#define ASYNC_RECV_TAIL_F(io, async_fn, file) do { \
- if (!c_req) return NT_STATUS_UNSUCCESSFUL; \
- { \
- struct async_info *async; \
- async = talloc(req, struct async_info); \
- if (!async) return NT_STATUS_NO_MEMORY; \
- async->parms = io; \
- async->req = req; \
- async->f = file; \
- async->cvfs = p; \
- async->c_req = c_req; \
- DLIST_ADD(p->pending, async); \
- c_req->async.private_data = async; \
- talloc_set_destructor(async, async_info_destructor); \
- } \
- c_req->async.fn = async_fn; \
- req->async_states->state |= NTVFS_ASYNC_STATE_ASYNC; \
- return NT_STATUS_OK; \
-} while (0)
-
-#define ASYNC_RECV_TAIL(io, async_fn) ASYNC_RECV_TAIL_F(io, async_fn, NULL)
-
-#define SIMPLE_ASYNC_TAIL ASYNC_RECV_TAIL(NULL, async_simple_smb2)
-#define SIMPLE_COMPOSITE_TAIL ASYNC_RECV_TAIL(NULL, async_simple_composite)
-
-#define CHECK_ASYNC(req) do { \
- if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) { \
- DEBUG(0,("SMB2 proxy backend does not support sync operation at %s\n", \
- __location__)); \
- return NT_STATUS_NOT_IMPLEMENTED; \
- }} while (0)
-
-/*
- delete a file - the dirtype specifies the file types to include in the search.
- The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
-
- BUGS:
- - doesn't handle wildcards
- - doesn't obey attrib restrictions
-*/
-static NTSTATUS cvfs_unlink(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_unlink *unl)
-{
- struct cvfs_private *p = ntvfs->private_data;
- struct composite_context *c_req;
-
- CHECK_ASYNC(req);
-
- c_req = smb2_composite_unlink_send(p->tree, unl);
-
- SIMPLE_COMPOSITE_TAIL;
-}
-
-/*
- ioctl interface
-*/
-static NTSTATUS cvfs_ioctl(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_ioctl *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- check if a directory exists
-*/
-static NTSTATUS cvfs_chkpath(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_chkpath *cp)
-{
- struct cvfs_private *p = ntvfs->private_data;
- struct smb2_request *c_req;
- struct smb2_find f;
-
- CHECK_ASYNC(req);
-
- /* SMB2 doesn't have a chkpath operation, and also doesn't
- have a query path info call, so the best seems to be to do a
- find call, using the roothandle we established at connect
- time */
- ZERO_STRUCT(f);
- f.in.file.handle = p->roothandle;
- f.in.level = SMB2_FIND_DIRECTORY_INFO;
- f.in.pattern = cp->chkpath.in.path;
- /* SMB2 find doesn't accept \ or the empty string - this is the best
- approximation */
- if (strcmp(f.in.pattern, "\\") == 0 ||
- strcmp(f.in.pattern, "") == 0) {
- f.in.pattern = "?";
- }
- f.in.continue_flags = SMB2_CONTINUE_FLAG_SINGLE | SMB2_CONTINUE_FLAG_RESTART;
- f.in.max_response_size = 0x1000;
-
- c_req = smb2_find_send(p->tree, &f);
-
- SIMPLE_ASYNC_TAIL;
-}
-
-/*
- return info on a pathname
-*/
-static NTSTATUS cvfs_qpathinfo(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_fileinfo *info)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- query info on a open file
-*/
-static NTSTATUS cvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_fileinfo *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-
-/*
- set info on a pathname
-*/
-static NTSTATUS cvfs_setpathinfo(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_setfileinfo *st)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-
-/*
- open a file
-*/
-static NTSTATUS cvfs_open(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_open *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- create a directory
-*/
-static NTSTATUS cvfs_mkdir(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_mkdir *md)
-{
- struct cvfs_private *p = ntvfs->private_data;
- struct composite_context *c_req;
-
- CHECK_ASYNC(req);
-
- c_req = smb2_composite_mkdir_send(p->tree, md);
-
- SIMPLE_COMPOSITE_TAIL;
-}
-
-/*
- remove a directory
-*/
-static NTSTATUS cvfs_rmdir(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, struct smb_rmdir *rd)
-{
- struct cvfs_private *p = ntvfs->private_data;
- struct composite_context *c_req;
-
- CHECK_ASYNC(req);
-
- c_req = smb2_composite_rmdir_send(p->tree, rd);
-
- SIMPLE_COMPOSITE_TAIL;
-}
-
-/*
- rename a set of files
-*/
-static NTSTATUS cvfs_rename(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_rename *ren)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- copy a set of files
-*/
-static NTSTATUS cvfs_copy(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, struct smb_copy *cp)
-{
- return NT_STATUS_NOT_SUPPORTED;
-}
-
-/*
- read from a file
-*/
-static NTSTATUS cvfs_read(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_read *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- write to a file
-*/
-static NTSTATUS cvfs_write(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_write *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- seek in a file
-*/
-static NTSTATUS cvfs_seek(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req,
- union smb_seek *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- flush a file
-*/
-static NTSTATUS cvfs_flush(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req,
- union smb_flush *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- close a file
-*/
-static NTSTATUS cvfs_close(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_close *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- exit - closing files open by the pid
-*/
-static NTSTATUS cvfs_exit(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- logoff - closing files open by the user
-*/
-static NTSTATUS cvfs_logoff(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req)
-{
- /* we can't do this right in the cifs backend .... */
- return NT_STATUS_OK;
-}
-
-/*
- setup for an async call - nothing to do yet
-*/
-static NTSTATUS cvfs_async_setup(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req,
- void *private_data)
-{
- return NT_STATUS_OK;
-}
-
-/*
- cancel an async call
-*/
-static NTSTATUS cvfs_cancel(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- lock a byte range
-*/
-static NTSTATUS cvfs_lock(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_lock *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- set info on a open file
-*/
-static NTSTATUS cvfs_setfileinfo(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req,
- union smb_setfileinfo *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-
-/*
- a handler for async fsinfo replies
- */
-static void async_fsinfo(struct smb2_request *c_req)
-{
- struct async_info *async = c_req->async.private_data;
- struct ntvfs_request *req = async->req;
- req->async_states->status = smb2_getinfo_fs_recv(c_req, req, async->parms);
- talloc_free(async);
- req->async_states->send_fn(req);
-}
-
-/*
- return filesystem space info
-*/
-static NTSTATUS cvfs_fsinfo(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_fsinfo *fs)
-{
- struct cvfs_private *p = ntvfs->private_data;
- struct smb2_request *c_req;
- enum smb_fsinfo_level level = fs->generic.level;
-
- CHECK_ASYNC(req);
-
- switch (level) {
- /* some levels go straight through */
- case RAW_QFS_VOLUME_INFORMATION:
- case RAW_QFS_SIZE_INFORMATION:
- case RAW_QFS_DEVICE_INFORMATION:
- case RAW_QFS_ATTRIBUTE_INFORMATION:
- case RAW_QFS_QUOTA_INFORMATION:
- case RAW_QFS_FULL_SIZE_INFORMATION:
- case RAW_QFS_OBJECTID_INFORMATION:
- break;
-
- /* some get mapped */
- case RAW_QFS_VOLUME_INFO:
- level = RAW_QFS_VOLUME_INFORMATION;
- break;
- case RAW_QFS_SIZE_INFO:
- level = RAW_QFS_SIZE_INFORMATION;
- break;
- case RAW_QFS_DEVICE_INFO:
- level = RAW_QFS_DEVICE_INFORMATION;
- break;
- case RAW_QFS_ATTRIBUTE_INFO:
- level = RAW_QFS_ATTRIBUTE_INFO;
- break;
-
- default:
- /* the rest get refused for now */
- DEBUG(0,("fsinfo level %u not possible on SMB2\n",
- (unsigned)fs->generic.level));
- break;
- }
-
- fs->generic.level = level;
- fs->generic.handle = p->roothandle;
-
- c_req = smb2_getinfo_fs_send(p->tree, fs);
-
- ASYNC_RECV_TAIL(fs, async_fsinfo);
-}
-
-/*
- return print queue info
-*/
-static NTSTATUS cvfs_lpq(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_lpq *lpq)
-{
- return NT_STATUS_NOT_SUPPORTED;
-}
-
-/*
- list files in a directory matching a wildcard pattern
-*/
-static NTSTATUS cvfs_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 *))
-{
- struct cvfs_private *p = ntvfs->private_data;
- struct smb2_find f;
- enum smb_search_data_level smb2_level;
- unsigned int count, i;
- union smb_search_data *data;
- NTSTATUS status;
-
- if (io->generic.level != RAW_SEARCH_TRANS2) {
- DEBUG(0,("We only support trans2 search in smb2 backend\n"));
- return NT_STATUS_NOT_SUPPORTED;
- }
-
- switch (io->generic.data_level) {
- case RAW_SEARCH_DATA_DIRECTORY_INFO:
- smb2_level = SMB2_FIND_DIRECTORY_INFO;
- break;
- case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
- smb2_level = SMB2_FIND_FULL_DIRECTORY_INFO;
- break;
- case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
- smb2_level = SMB2_FIND_BOTH_DIRECTORY_INFO;
- break;
- case RAW_SEARCH_DATA_NAME_INFO:
- smb2_level = SMB2_FIND_NAME_INFO;
- break;
- case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
- smb2_level = SMB2_FIND_ID_FULL_DIRECTORY_INFO;
- break;
- case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
- smb2_level = SMB2_FIND_ID_BOTH_DIRECTORY_INFO;
- break;
- default:
- DEBUG(0,("Unsupported search level %u for smb2 backend\n",
- (unsigned)io->generic.data_level));
- return NT_STATUS_INVALID_INFO_CLASS;
- }
-
- /* we do the search on the roothandle. This only works because
- search is synchronous, otherwise we'd have no way to
- distinguish multiple searches happening at once
- */
- ZERO_STRUCT(f);
- f.in.file.handle = p->roothandle;
- f.in.level = smb2_level;
- f.in.pattern = io->t2ffirst.in.pattern;
- while (f.in.pattern[0] == '\\') {
- f.in.pattern++;
- }
- f.in.continue_flags = 0;
- f.in.max_response_size = 0x10000;
-
- status = smb2_find_level(p->tree, req, &f, &count, &data);
- NT_STATUS_NOT_OK_RETURN(status);
-
- for (i=0;i<count;i++) {
- if (!callback(search_private, &data[i])) break;
- }
-
- io->t2ffirst.out.handle = 0;
- io->t2ffirst.out.count = i;
- /* TODO: fix end_of_file */
- io->t2ffirst.out.end_of_search = 1;
-
- talloc_free(data);
-
- return NT_STATUS_OK;
-}
-
-/* continue a search */
-static NTSTATUS cvfs_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 *))
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/* close a search */
-static NTSTATUS cvfs_search_close(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req, union smb_search_close *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/* SMBtrans - not used on file shares */
-static NTSTATUS cvfs_trans(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req,
- struct smb_trans2 *trans2)
-{
- return NT_STATUS_ACCESS_DENIED;
-}
-
-/* change notify request - always async */
-static NTSTATUS cvfs_notify(struct ntvfs_module_context *ntvfs,
- struct ntvfs_request *req,
- union smb_notify *io)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/*
- initialise the CIFS->CIFS backend, registering ourselves with the ntvfs subsystem
- */
-NTSTATUS ntvfs_smb2_init(TALLOC_CTX *ctx)
-{
- NTSTATUS ret;
- struct ntvfs_ops ops;
- NTVFS_CURRENT_CRITICAL_SIZES(vers);
-
- ZERO_STRUCT(ops);
-
- /* fill in the name and type */
- ops.name = "smb2";
- ops.type = NTVFS_DISK;
-
- /* fill in all the operations */
- ops.connect_fn = cvfs_connect;
- ops.disconnect_fn = cvfs_disconnect;
- ops.unlink_fn = cvfs_unlink;
- ops.chkpath_fn = cvfs_chkpath;
- ops.qpathinfo_fn = cvfs_qpathinfo;
- ops.setpathinfo_fn = cvfs_setpathinfo;
- ops.open_fn = cvfs_open;
- ops.mkdir_fn = cvfs_mkdir;
- ops.rmdir_fn = cvfs_rmdir;
- ops.rename_fn = cvfs_rename;
- ops.copy_fn = cvfs_copy;
- ops.ioctl_fn = cvfs_ioctl;
- ops.read_fn = cvfs_read;
- ops.write_fn = cvfs_write;
- ops.seek_fn = cvfs_seek;
- ops.flush_fn = cvfs_flush;
- ops.close_fn = cvfs_close;
- ops.exit_fn = cvfs_exit;
- ops.lock_fn = cvfs_lock;
- ops.setfileinfo_fn = cvfs_setfileinfo;
- ops.qfileinfo_fn = cvfs_qfileinfo;
- ops.fsinfo_fn = cvfs_fsinfo;
- ops.lpq_fn = cvfs_lpq;
- ops.search_first_fn = cvfs_search_first;
- ops.search_next_fn = cvfs_search_next;
- ops.search_close_fn = cvfs_search_close;
- ops.trans_fn = cvfs_trans;
- ops.logoff_fn = cvfs_logoff;
- ops.async_setup_fn = cvfs_async_setup;
- ops.cancel_fn = cvfs_cancel;
- ops.notify_fn = cvfs_notify;
-
- /* register ourselves with the NTVFS subsystem. We register
- under the name 'smb2'. */
- ret = ntvfs_register(&ops, &vers);
-
- if (!NT_STATUS_IS_OK(ret)) {
- DEBUG(0,("Failed to register SMB2 backend\n"));
- }
-
- return ret;
-}
projects / thirdparty / samba.git / commitdiff
