diff options
Diffstat (limited to 'source4/ntvfs/smb2/vfs_smb2.c')
| -rw-r--r-- | source4/ntvfs/smb2/vfs_smb2.c | 844 |
1 files changed, 844 insertions, 0 deletions
diff --git a/source4/ntvfs/smb2/vfs_smb2.c b/source4/ntvfs/smb2/vfs_smb2.c new file mode 100644 index 0000000000..cc09daf83f --- /dev/null +++ b/source4/ntvfs/smb2/vfs_smb2.c @@ -0,0 +1,844 @@ +/* + 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" + +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 + */ +static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *p_private) +{ + struct cvfs_private *private = p_private; + NTSTATUS status; + struct ntvfs_handle *h = NULL; + struct cvfs_file *f; + + for (f=private->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(private->ntvfs, h, level); + if (!NT_STATUS_IS_OK(status)) return false; + return true; +} + +/* + 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, const char *sharename) +{ + NTSTATUS status; + struct cvfs_private *private; + const char *host, *user, *pass, *domain, *remote_share; + struct composite_context *creq; + struct share_config *scfg = ntvfs->ctx->config; + struct smb2_tree *tree; + + struct cli_credentials *credentials; + bool machine_account; + + /* Here we need to determine which server to connect to. + * For now we use parametric options, type cifs. + * Later we will use security=server and auth_server.c. + */ + host = share_string_option(scfg, SMB2_SERVER, NULL); + user = share_string_option(scfg, SMB2_USER, NULL); + pass = share_string_option(scfg, SMB2_PASSWORD, NULL); + domain = share_string_option(scfg, SMB2_DOMAIN, NULL); + remote_share = share_string_option(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); + + private = talloc_zero(ntvfs, struct cvfs_private); + if (!private) { + return NT_STATUS_NO_MEMORY; + } + + ntvfs->private_data = private; + + if (!host) { + DEBUG(1,("CIFS backend: You must supply server\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + if (user && pass) { + DEBUG(5, ("CIFS backend: Using specified password\n")); + credentials = cli_credentials_init(private); + if (!credentials) { + return NT_STATUS_NO_MEMORY; + } + 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(private); + 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)) { + return status; + } + } 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")); + return NT_STATUS_INVALID_PARAMETER; + } + + creq = smb2_connect_send(private, host, remote_share, + lp_resolve_context(ntvfs->ctx->lp_ctx), + credentials, + ntvfs->ctx->event_ctx); + + status = smb2_connect_recv(creq, private, &tree); + NT_STATUS_NOT_OK_RETURN(status); + + status = smb2_get_roothandle(tree, &private->roothandle); + NT_STATUS_NOT_OK_RETURN(status); + + private->tree = tree; + private->transport = private->tree->session->transport; + private->ntvfs = ntvfs; + + ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS"); + NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type); + ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:"); + NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type); + + /* we need to receive oplock break requests from the server */ + /* TODO: enable oplocks + smbcli_oplock_handler(private->transport, oplock_handler, private); + */ + return NT_STATUS_OK; +} + +/* + disconnect from a share +*/ +static NTSTATUS cvfs_disconnect(struct ntvfs_module_context *ntvfs) +{ + struct cvfs_private *private = ntvfs->private_data; + struct async_info *a, *an; + + /* first cleanup pending requests */ + for (a=private->pending; a; a = an) { + an = a->next; + talloc_free(a->c_req); + talloc_free(a); + } + + talloc_free(private); + 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 = private; \ + async->c_req = c_req; \ + DLIST_ADD(private->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 *private = ntvfs->private_data; + struct composite_context *c_req; + + CHECK_ASYNC(req); + + c_req = smb2_composite_unlink_send(private->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 *private = 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 = private->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(private->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 *private = ntvfs->private_data; + struct composite_context *c_req; + + CHECK_ASYNC(req); + + c_req = smb2_composite_mkdir_send(private->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 *private = ntvfs->private_data; + struct composite_context *c_req; + + CHECK_ASYNC(req); + + c_req = smb2_composite_rmdir_send(private->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) +{ + 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 *private = 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 = private->roothandle; + + c_req = smb2_getinfo_fs_send(private->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 *private = ntvfs->private_data; + struct smb2_find f; + enum smb_search_data_level smb2_level; + uint_t 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 = private->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(private->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(void) +{ + 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 = cvfs_connect; + ops.disconnect = cvfs_disconnect; + ops.unlink = cvfs_unlink; + ops.chkpath = cvfs_chkpath; + ops.qpathinfo = cvfs_qpathinfo; + ops.setpathinfo = cvfs_setpathinfo; + ops.open = cvfs_open; + ops.mkdir = cvfs_mkdir; + ops.rmdir = cvfs_rmdir; + ops.rename = cvfs_rename; + ops.copy = cvfs_copy; + ops.ioctl = cvfs_ioctl; + ops.read = cvfs_read; + ops.write = cvfs_write; + ops.seek = cvfs_seek; + ops.flush = cvfs_flush; + ops.close = cvfs_close; + ops.exit = cvfs_exit; + ops.lock = cvfs_lock; + ops.setfileinfo = cvfs_setfileinfo; + ops.qfileinfo = cvfs_qfileinfo; + ops.fsinfo = cvfs_fsinfo; + ops.lpq = cvfs_lpq; + ops.search_first = cvfs_search_first; + ops.search_next = cvfs_search_next; + ops.search_close = cvfs_search_close; + ops.trans = cvfs_trans; + ops.logoff = cvfs_logoff; + ops.async_setup = cvfs_async_setup; + ops.cancel = cvfs_cancel; + ops.notify = 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; +} |