summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--source3/smbd/smb2_create.c249
1 files changed, 203 insertions, 46 deletions
diff --git a/source3/smbd/smb2_create.c b/source3/smbd/smb2_create.c
index 2c308b1ee6..4ec03855dd 100644
--- a/source3/smbd/smb2_create.c
+++ b/source3/smbd/smb2_create.c
@@ -432,6 +432,7 @@ static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
struct smb2_create_blobs out_context_blobs;
int requested_oplock_level;
struct smb2_create_blob *dhnc = NULL;
+ struct smbXsrv_open *op = NULL;
ZERO_STRUCT(out_context_blobs);
@@ -477,14 +478,24 @@ static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
- /* we don't support durable handles yet */
- tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
- return tevent_req_post(req, ev);
+ if (in_context_blobs.num_blobs != 1) {
+ /*
+ * DHNC should be the only one.
+ */
+ tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ return tevent_req_post(req, ev);
+ }
}
if (IS_IPC(smb1req->conn)) {
const char *pipe_name = in_name;
+ if (dhnc) {
+ /* durable handles are not supported on IPC$ */
+ tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ return tevent_req_post(req, ev);
+ }
+
if (!lp_nt_pipe_support()) {
tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
return tevent_req_post(req, ev);
@@ -497,6 +508,12 @@ static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
}
info = FILE_WAS_OPENED;
} else if (CAN_PRINT(smb1req->conn)) {
+ if (dhnc) {
+ /* durable handles are not supported on printers */
+ tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ return tevent_req_post(req, ev);
+ }
+
status = file_new(smb1req, smb1req->conn, &result);
if(!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
@@ -513,7 +530,6 @@ static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
info = FILE_WAS_CREATED;
} else {
char *fname;
- struct smb_filename *smb_fname = NULL;
struct smb2_create_blob *exta = NULL;
struct ea_list *ea_list = NULL;
struct smb2_create_blob *mxac = NULL;
@@ -525,6 +541,11 @@ static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
uint64_t allocation_size = 0;
struct smb2_create_blob *twrp = NULL;
struct smb2_create_blob *qfid = NULL;
+ struct GUID create_guid = GUID_zero();
+ bool update_open = false;
+ bool durable_requested = false;
+ uint32_t durable_timeout_msec = 0;
+ bool do_durable_reconnect = false;
exta = smb2_create_blob_find(&in_context_blobs,
SMB2_CREATE_TAG_EXTA);
@@ -592,9 +613,48 @@ static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
return tevent_req_post(req, ev);
}
/*
- * we don't support durable handles yet
- * and have to ignore this
+ * durable handle request is processed below.
+ */
+ durable_requested = true;
+ /*
+ * Set the timeout to 16 mins.
+ *
+ * TODO: test this against Windows 2012
+ * as the default for durable v2 is 1 min.
*/
+ durable_timeout_msec = (16*60*1000);
+ }
+
+ if (dhnc) {
+ NTTIME now = timeval_to_nttime(&smb2req->request_time);
+ uint64_t persistent_id;
+
+ persistent_id = BVAL(dhnc->data.data, 0);
+
+ status = smb2srv_open_recreate(smb2req->sconn->conn,
+ smb1req->conn->session_info,
+ persistent_id, create_guid,
+ now, &op);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("smbd_smb2_create_send: "
+ "smb2srv_open_recreate v1 failed: %s\n",
+ nt_errstr(status)));
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+
+ DEBUG(10, ("smb2_create_send: DHNC: %s recreate the "
+ "smb2srv_open struct for a durable handle.\n",
+ op->global->durable ? "did" : "could not"));
+
+ if (!op->global->durable) {
+ talloc_free(op);
+ tevent_req_nterror(req,
+ NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ return tevent_req_post(req, ev);
+ }
+
+ do_durable_reconnect = true;
}
if (alsi) {
@@ -645,58 +705,111 @@ static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
in_create_options &= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
in_create_options &= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
- /*
- * For a DFS path the function parse_dfs_path()
- * will do the path processing.
+ in_file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+
+ DEBUG(10, ("smbd_smb2_create_send: open execution phase\n"));
+
+ /*
+ * For the backend file open procedure, there are
+ * two possible modes: durable_reconnect or not.
*/
+ if (do_durable_reconnect) {
+ DATA_BLOB new_cookie = data_blob_null;
+
+ status = SMB_VFS_DURABLE_RECONNECT(smb1req->conn,
+ smb1req,
+ op,
+ op->global->backend_cookie,
+ op, &result, &new_cookie);
+ if (!NT_STATUS_IS_OK(status)) {
+ NTSTATUS return_status;
+
+ return_status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
+
+ DEBUG(3, ("smbd_smb2_create_send: "
+ "durable_reconnect failed: %s => %s\n",
+ nt_errstr(status),
+ nt_errstr(return_status)));
+
+ tevent_req_nterror(req, return_status);
+ return tevent_req_post(req, ev);
+ }
+
+ data_blob_free(&op->global->backend_cookie);
+ op->global->backend_cookie = new_cookie;
+
+ op->status = NT_STATUS_OK;
+ op->global->disconnect_time = 0;
- if (!(smb1req->flags2 & FLAGS2_DFS_PATHNAMES)) {
- /* convert '\\' into '/' */
- status = check_path_syntax(fname);
+ status = smbXsrv_open_update(op);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
- }
- status = filename_convert(req,
- smb1req->conn,
- smb1req->flags2 & FLAGS2_DFS_PATHNAMES,
- fname,
- 0, /* unix_convert flags */
- NULL, /* ppath_contains_wcards */
- &smb_fname);
- if (!NT_STATUS_IS_OK(status)) {
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
- }
+ info = FILE_WAS_OPENED;
+ } else {
+ struct smb_filename *smb_fname = NULL;
- in_file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+ /*
+ * For a DFS path the function parse_dfs_path()
+ * will do the path processing.
+ */
- status = SMB_VFS_CREATE_FILE(smb1req->conn,
- smb1req,
- 0, /* root_dir_fid */
- smb_fname,
- in_desired_access,
- in_share_access,
- in_create_disposition,
- in_create_options,
- in_file_attributes,
- map_smb2_oplock_levels_to_samba(requested_oplock_level),
- allocation_size,
- 0, /* private_flags */
- sec_desc,
- ea_list,
- &result,
- &info);
- if (!NT_STATUS_IS_OK(status)) {
- if (open_was_deferred(smb1req->sconn, smb1req->mid)) {
- return req;
+ if (!(smb1req->flags2 & FLAGS2_DFS_PATHNAMES)) {
+ /* convert '\\' into '/' */
+ status = check_path_syntax(fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
}
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
+
+ status = filename_convert(req,
+ smb1req->conn,
+ smb1req->flags2 & FLAGS2_DFS_PATHNAMES,
+ fname,
+ 0, /* unix_convert flags */
+ NULL, /* ppath_contains_wcards */
+ &smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+
+ status = SMB_VFS_CREATE_FILE(smb1req->conn,
+ smb1req,
+ 0, /* root_dir_fid */
+ smb_fname,
+ in_desired_access,
+ in_share_access,
+ in_create_disposition,
+ in_create_options,
+ in_file_attributes,
+ map_smb2_oplock_levels_to_samba(requested_oplock_level),
+ allocation_size,
+ 0, /* private_flags */
+ sec_desc,
+ ea_list,
+ &result,
+ &info);
+ if (!NT_STATUS_IS_OK(status)) {
+ if (open_was_deferred(smb1req->sconn, smb1req->mid)) {
+ return req;
+ }
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ op = result->op;
}
+ /*
+ * here we have op == result->op
+ */
+
+ DEBUG(10, ("smbd_smb2_create_send: "
+ "response construction phase\n"));
+
if (mxac) {
NTTIME last_write_time;
@@ -726,6 +839,50 @@ static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
}
}
+ if (durable_requested &&
+ BATCH_OPLOCK_TYPE(result->oplock_type))
+ {
+ status = SMB_VFS_DURABLE_COOKIE(result,
+ op,
+ &op->global->backend_cookie);
+ if (!NT_STATUS_IS_OK(status)) {
+ op->global->backend_cookie = data_blob_null;
+ }
+ }
+ if (op->global->backend_cookie.length > 0) {
+ update_open = true;
+
+ op->global->durable = true;
+ op->global->durable_timeout_msec = durable_timeout_msec;
+ }
+
+ if (update_open) {
+ op->global->create_guid = create_guid;
+
+ status = smbXsrv_open_update(op);
+ DEBUG(10, ("smb2_create_send: smbXsrv_open_update "
+ "returned %s\n",
+ nt_errstr(status)));
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ if (dhnq && op->global->durable) {
+ uint8_t p[8] = { 0, };
+ DATA_BLOB blob = data_blob_const(p, sizeof(p));
+
+ status = smb2_create_blob_add(state,
+ &out_context_blobs,
+ SMB2_CREATE_TAG_DHNQ,
+ blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ }
+
if (qfid) {
uint8_t p[32];
uint64_t file_index = get_FileIndex(result->conn,
generated by cgit (git 2.34.1) at 2024-11-19 15:16:30 +0000