#include "smbd/globals.h"
#include "../libcli/smb/smb_common.h"
#include "../librpc/gen_ndr/ndr_security.h"
+#include "../librpc/gen_ndr/ndr_smb2_lease_struct.h"
#include "../lib/util/tevent_ntstatus.h"
+#include "messages.h"
int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level)
{
case SMB2_OPLOCK_LEVEL_BATCH:
return BATCH_OPLOCK;
case SMB2_OPLOCK_LEVEL_LEASE:
- DEBUG(2,("map_smb2_oplock_levels_to_samba: "
- "LEASE_OPLOCK_REQUESTED\n"));
- return NO_OPLOCK;
+ return LEASE_OPLOCK;
default:
DEBUG(2,("map_smb2_oplock_levels_to_samba: "
"unknown level %u\n",
} else if (EXCLUSIVE_OPLOCK_TYPE(oplock_type)) {
return SMB2_OPLOCK_LEVEL_EXCLUSIVE;
} else if (oplock_type == LEVEL_II_OPLOCK) {
- /*
- * Don't use LEVEL_II_OPLOCK_TYPE here as
- * this also includes FAKE_LEVEL_II_OPLOCKs
- * which are internal only.
- */
return SMB2_OPLOCK_LEVEL_II;
+ } else if (oplock_type == LEASE_OPLOCK) {
+ return SMB2_OPLOCK_LEVEL_LEASE;
} else {
return SMB2_OPLOCK_LEVEL_NONE;
}
TALLOC_CTX *mem_ctx,
uint8_t *out_oplock_level,
uint32_t *out_create_action,
- NTTIME *out_creation_time,
- NTTIME *out_last_access_time,
- NTTIME *out_last_write_time,
- NTTIME *out_change_time,
+ struct timespec *out_creation_ts,
+ struct timespec *out_last_access_ts,
+ struct timespec *out_last_write_ts,
+ struct timespec *out_change_ts,
uint64_t *out_allocation_size,
uint64_t *out_end_of_file,
uint32_t *out_file_attributes,
NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *smb2req)
{
const uint8_t *inbody;
- int i = smb2req->current_idx;
+ const struct iovec *indyniov;
uint8_t in_oplock_level;
uint32_t in_impersonation_level;
uint32_t in_desired_access;
if (!NT_STATUS_IS_OK(status)) {
return smbd_smb2_request_error(smb2req, status);
}
- inbody = (const uint8_t *)smb2req->in.vector[i+1].iov_base;
+ inbody = SMBD_SMB2_IN_BODY_PTR(smb2req);
in_oplock_level = CVAL(inbody, 0x03);
in_impersonation_level = IVAL(inbody, 0x04);
* overlap
*/
- dyn_offset = SMB2_HDR_BODY + smb2req->in.vector[i+1].iov_len;
+ dyn_offset = SMB2_HDR_BODY + SMBD_SMB2_IN_BODY_LEN(smb2req);
if (in_name_offset == 0 && in_name_length == 0) {
/* This is ok */
name_offset = in_name_offset - dyn_offset;
}
- if (name_offset > smb2req->in.vector[i+2].iov_len) {
+ indyniov = SMBD_SMB2_IN_DYN_IOV(smb2req);
+
+ if (name_offset > indyniov->iov_len) {
return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
}
- name_available_length = smb2req->in.vector[i+2].iov_len - name_offset;
+ name_available_length = indyniov->iov_len - name_offset;
if (in_name_length > name_available_length) {
return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
}
- in_name_buffer.data = (uint8_t *)smb2req->in.vector[i+2].iov_base +
- name_offset;
+ in_name_buffer.data = (uint8_t *)indyniov->iov_base + name_offset;
in_name_buffer.length = in_name_length;
if (in_context_offset == 0 && in_context_length == 0) {
context_offset = in_context_offset - dyn_offset;
}
- if (context_offset > smb2req->in.vector[i+2].iov_len) {
+ if (context_offset > indyniov->iov_len) {
return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
}
- context_available_length = smb2req->in.vector[i+2].iov_len - context_offset;
+ context_available_length = indyniov->iov_len - context_offset;
if (in_context_length > context_available_length) {
return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
}
- in_context_buffer.data = (uint8_t *)smb2req->in.vector[i+2].iov_base +
- context_offset;
+ in_context_buffer.data = (uint8_t *)indyniov->iov_base +
+ context_offset;
in_context_buffer.length = in_context_length;
/*
}
tsubreq = smbd_smb2_create_send(smb2req,
- smb2req->sconn->smb2.event_ctx,
+ smb2req->sconn->ev_ctx,
smb2req,
in_oplock_level,
in_impersonation_level,
}
tevent_req_set_callback(tsubreq, smbd_smb2_request_create_done, smb2req);
- /*
- * For now we keep the logic that we do not send STATUS_PENDING
- * for sharing violations, so we just wait 2 seconds.
- *
- * TODO: we need more tests for this.
- */
- return smbd_smb2_request_pending_queue(smb2req, tsubreq, 2000000);
+ return smbd_smb2_request_pending_queue(smb2req, tsubreq, 500);
}
static uint64_t get_mid_from_smb2req(struct smbd_smb2_request *smb2req)
{
- uint8_t *reqhdr = (uint8_t *)smb2req->out.vector[smb2req->current_idx].iov_base;
+ uint8_t *reqhdr = SMBD_SMB2_OUT_HDR_PTR(smb2req);
return BVAL(reqhdr, SMB2_HDR_MESSAGE_ID);
}
{
struct smbd_smb2_request *smb2req = tevent_req_callback_data(tsubreq,
struct smbd_smb2_request);
- int i = smb2req->current_idx;
- uint8_t *outhdr;
DATA_BLOB outbody;
DATA_BLOB outdyn;
uint8_t out_oplock_level = 0;
uint32_t out_create_action = 0;
- NTTIME out_creation_time = 0;
- NTTIME out_last_access_time = 0;
- NTTIME out_last_write_time = 0;
- NTTIME out_change_time = 0;
+ connection_struct *conn = smb2req->tcon->compat;
+ struct timespec out_creation_ts = { 0, };
+ struct timespec out_last_access_ts = { 0, };
+ struct timespec out_last_write_ts = { 0, };
+ struct timespec out_change_ts = { 0, };
uint64_t out_allocation_size = 0;
uint64_t out_end_of_file = 0;
uint32_t out_file_attributes = 0;
NTSTATUS status;
NTSTATUS error; /* transport error */
- if (smb2req->cancelled) {
- uint64_t mid = get_mid_from_smb2req(smb2req);
- DEBUG(10,("smbd_smb2_request_create_done: cancelled mid %llu\n",
- (unsigned long long)mid ));
- error = smbd_smb2_request_error(smb2req, NT_STATUS_CANCELLED);
- if (!NT_STATUS_IS_OK(error)) {
- smbd_server_connection_terminate(smb2req->sconn,
- nt_errstr(error));
- return;
- }
- return;
- }
-
status = smbd_smb2_create_recv(tsubreq,
smb2req,
&out_oplock_level,
&out_create_action,
- &out_creation_time,
- &out_last_access_time,
- &out_last_write_time,
- &out_change_time,
+ &out_creation_ts,
+ &out_last_access_ts,
+ &out_last_write_ts,
+ &out_change_ts,
&out_allocation_size,
&out_end_of_file,
&out_file_attributes,
if (!NT_STATUS_IS_OK(status)) {
error = smbd_smb2_request_error(smb2req, status);
if (!NT_STATUS_IS_OK(error)) {
- smbd_server_connection_terminate(smb2req->sconn,
+ smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(error));
return;
}
if (!NT_STATUS_IS_OK(status)) {
error = smbd_smb2_request_error(smb2req, status);
if (!NT_STATUS_IS_OK(error)) {
- smbd_server_connection_terminate(smb2req->sconn,
+ smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(error));
return;
}
out_context_buffer_offset = SMB2_HDR_BODY + 0x58;
}
- outhdr = (uint8_t *)smb2req->out.vector[i].iov_base;
-
- outbody = data_blob_talloc(smb2req->out.vector, NULL, 0x58);
+ outbody = smbd_smb2_generate_outbody(smb2req, 0x58);
if (outbody.data == NULL) {
error = smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
if (!NT_STATUS_IS_OK(error)) {
- smbd_server_connection_terminate(smb2req->sconn,
+ smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(error));
return;
}
SCVAL(outbody.data, 0x03, 0); /* reserved */
SIVAL(outbody.data, 0x04,
out_create_action); /* create action */
- SBVAL(outbody.data, 0x08,
- out_creation_time); /* creation time */
- SBVAL(outbody.data, 0x10,
- out_last_access_time); /* last access time */
- SBVAL(outbody.data, 0x18,
- out_last_write_time); /* last write time */
- SBVAL(outbody.data, 0x20,
- out_change_time); /* change time */
+ put_long_date_timespec(conn->ts_res,
+ (char *)outbody.data + 0x08,
+ out_creation_ts); /* creation time */
+ put_long_date_timespec(conn->ts_res,
+ (char *)outbody.data + 0x10,
+ out_last_access_ts); /* last access time */
+ put_long_date_timespec(conn->ts_res,
+ (char *)outbody.data + 0x18,
+ out_last_write_ts); /* last write time */
+ put_long_date_timespec(conn->ts_res,
+ (char *)outbody.data + 0x20,
+ out_change_ts); /* change time */
SBVAL(outbody.data, 0x28,
out_allocation_size); /* allocation size */
SBVAL(outbody.data, 0x30,
error = smbd_smb2_request_done(smb2req, outbody, &outdyn);
if (!NT_STATUS_IS_OK(error)) {
- smbd_server_connection_terminate(smb2req->sconn,
+ smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(error));
return;
}
}
+static bool smb2_lease_key_valid(const struct smb2_lease_key *key)
+{
+ return ((key->data[0] != 0) || (key->data[1] != 0));
+}
+
+static NTSTATUS smbd_smb2_create_durable_lease_check(struct smb_request *smb1req,
+ const char *requested_filename, const struct files_struct *fsp,
+ const struct smb2_lease *lease_ptr)
+{
+ struct smb_filename *smb_fname = NULL;
+ uint32_t ucf_flags;
+ NTSTATUS status;
+
+ if (lease_ptr == NULL) {
+ if (fsp->oplock_type != LEASE_OPLOCK) {
+ return NT_STATUS_OK;
+ }
+ DEBUG(10, ("Reopened file has lease, but no lease "
+ "requested\n"));
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ if (fsp->oplock_type != LEASE_OPLOCK) {
+ DEBUG(10, ("Lease requested, but reopened file has no "
+ "lease\n"));
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ if (!smb2_lease_key_equal(&lease_ptr->lease_key,
+ &fsp->lease->lease.lease_key)) {
+ DEBUG(10, ("Different lease key requested than found "
+ "in reopened file\n"));
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ ucf_flags = filename_create_ucf_flags(smb1req, FILE_OPEN);
+ status = filename_convert(talloc_tos(), fsp->conn, false,
+ requested_filename, ucf_flags,
+ NULL, &smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("filename_convert returned %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+
+ if (!strequal(fsp->fsp_name->base_name, smb_fname->base_name)) {
+ DEBUG(10, ("Lease requested for file %s, reopened file "
+ "is named %s\n", smb_fname->base_name,
+ fsp->fsp_name->base_name));
+ TALLOC_FREE(smb_fname);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ TALLOC_FREE(smb_fname);
+
+ return NT_STATUS_OK;
+}
+
struct smbd_smb2_create_state {
struct smbd_smb2_request *smb2req;
struct smb_request *smb1req;
- struct timed_event *te;
+ bool open_was_deferred;
+ struct tevent_timer *te;
struct tevent_immediate *im;
struct timeval request_time;
struct file_id id;
- DATA_BLOB private_data;
+ struct deferred_open_record *open_rec;
uint8_t out_oplock_level;
uint32_t out_create_action;
- NTTIME out_creation_time;
- NTTIME out_last_access_time;
- NTTIME out_last_write_time;
- NTTIME out_change_time;
+ struct timespec out_creation_ts;
+ struct timespec out_last_access_ts;
+ struct timespec out_last_write_ts;
+ struct timespec out_change_ts;
uint64_t out_allocation_size;
uint64_t out_end_of_file;
uint32_t out_file_attributes;
uint64_t out_file_id_persistent;
uint64_t out_file_id_volatile;
- struct smb2_create_blobs out_context_blobs;
+ struct smb2_create_blobs *out_context_blobs;
};
static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
struct smb_request *smb1req = NULL;
files_struct *result = NULL;
int info;
- struct timespec write_time_ts;
- struct smb2_create_blobs out_context_blobs;
int requested_oplock_level;
-
- ZERO_STRUCT(out_context_blobs);
-
- if(lp_fake_oplocks(SNUM(smb2req->tcon->compat_conn))) {
+ struct smb2_create_blob *dhnc = NULL;
+ struct smb2_create_blob *dh2c = NULL;
+ struct smb2_create_blob *dhnq = NULL;
+ struct smb2_create_blob *dh2q = NULL;
+ struct smb2_create_blob *rqls = NULL;
+ bool replay_operation = false;
+
+ if(lp_fake_oplocks(SNUM(smb2req->tcon->compat))) {
requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
} else {
requested_oplock_level = in_oplock_level;
return tevent_req_post(req, ev);
}
state->smb1req = smb1req;
+ smb2req->subreq = req;
DEBUG(10,("smbd_smb2_create: name[%s]\n",
in_name));
} else {
state = tevent_req_data(req,
struct smbd_smb2_create_state);
smb1req = state->smb1req;
+ TALLOC_FREE(state->out_context_blobs);
DEBUG(10,("smbd_smb2_create_send: reentrant for file %s\n",
in_name ));
}
+ state->out_context_blobs = talloc_zero(state, struct smb2_create_blobs);
+ if (tevent_req_nomem(state->out_context_blobs, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ dhnq = smb2_create_blob_find(&in_context_blobs,
+ SMB2_CREATE_TAG_DHNQ);
+ dhnc = smb2_create_blob_find(&in_context_blobs,
+ SMB2_CREATE_TAG_DHNC);
+ dh2q = smb2_create_blob_find(&in_context_blobs,
+ SMB2_CREATE_TAG_DH2Q);
+ dh2c = smb2_create_blob_find(&in_context_blobs,
+ SMB2_CREATE_TAG_DH2C);
+ if (smb2req->xconn->smb2.server.capabilities & SMB2_CAP_LEASING) {
+ rqls = smb2_create_blob_find(&in_context_blobs,
+ SMB2_CREATE_TAG_RQLS);
+ }
+
+ if ((dhnc && dh2c) || (dhnc && dh2q) || (dh2c && dhnq) ||
+ (dh2q && dh2c))
+ {
+ /* not both are allowed at the same time */
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ if (dhnc) {
+ uint32_t num_blobs_allowed;
+
+ if (dhnc->data.length != 16) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ /*
+ * According to MS-SMB2: 3.3.5.9.7, "Handling the
+ * SMB2_CREATE_DURABLE_HANDLE_RECONNECT Create Context",
+ * we should ignore an additional dhnq blob, but fail
+ * the request (with status OBJECT_NAME_NOT_FOUND) if
+ * any other extra create blob has been provided.
+ *
+ * (Note that the cases of an additional dh2q or dh2c blob
+ * which require a different error code, have been treated
+ * above.)
+ */
+
+ if (dhnq) {
+ num_blobs_allowed = 2;
+ } else {
+ num_blobs_allowed = 1;
+ }
+
+ if (rqls != NULL) {
+ num_blobs_allowed += 1;
+ }
+
+ if (in_context_blobs.num_blobs != num_blobs_allowed) {
+ tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ if (dh2c) {
+ uint32_t num_blobs_allowed;
+
+ if (dh2c->data.length != 36) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ /*
+ * According to MS-SMB2: 3.3.5.9.12, "Handling the
+ * SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 Create Context",
+ * we should fail the request with status
+ * OBJECT_NAME_NOT_FOUND if any other create blob has been
+ * provided.
+ *
+ * (Note that the cases of an additional dhnq, dhnc or dh2q
+ * blob which require a different error code, have been
+ * treated above.)
+ */
+
+ num_blobs_allowed = 1;
+
+ if (rqls != NULL) {
+ num_blobs_allowed += 1;
+ }
+
+ if (in_context_blobs.num_blobs != num_blobs_allowed) {
+ 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 (!lp_nt_pipe_support()) {
- tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ if (dhnc || dh2c) {
+ /* durable handles are not supported on IPC$ */
+ tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
return tevent_req_post(req, ev);
}
- /* Strip \\ off the name. */
- if (pipe_name[0] == '\\') {
- pipe_name++;
+ if (!lp_nt_pipe_support()) {
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
}
status = open_np_file(smb1req, pipe_name, &result);
}
info = FILE_WAS_OPENED;
} else if (CAN_PRINT(smb1req->conn)) {
+ if (dhnc || dh2c) {
+ /* 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);
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;
NTTIME max_access_time = 0;
struct smb2_create_blob *secd = NULL;
struct security_descriptor *sec_desc = NULL;
- struct smb2_create_blob *dhnq = NULL;
- struct smb2_create_blob *dhnc = NULL;
struct smb2_create_blob *alsi = NULL;
uint64_t allocation_size = 0;
struct smb2_create_blob *twrp = NULL;
struct smb2_create_blob *qfid = NULL;
+ struct GUID _create_guid = GUID_zero();
+ struct GUID *create_guid = NULL;
+ bool update_open = false;
+ bool durable_requested = false;
+ uint32_t durable_timeout_msec = 0;
+ bool do_durable_reconnect = false;
+ uint64_t persistent_id = 0;
+ struct smb2_lease lease;
+ struct smb2_lease *lease_ptr = NULL;
+ ssize_t lease_len = -1;
+ bool need_replay_cache = false;
+ struct smbXsrv_open *op = NULL;
+#if 0
+ struct smb2_create_blob *svhdx = NULL;
+#endif
exta = smb2_create_blob_find(&in_context_blobs,
SMB2_CREATE_TAG_EXTA);
SMB2_CREATE_TAG_MXAC);
secd = smb2_create_blob_find(&in_context_blobs,
SMB2_CREATE_TAG_SECD);
- dhnq = smb2_create_blob_find(&in_context_blobs,
- SMB2_CREATE_TAG_DHNQ);
- dhnc = smb2_create_blob_find(&in_context_blobs,
- SMB2_CREATE_TAG_DHNC);
alsi = smb2_create_blob_find(&in_context_blobs,
SMB2_CREATE_TAG_ALSI);
twrp = smb2_create_blob_find(&in_context_blobs,
SMB2_CREATE_TAG_TWRP);
qfid = smb2_create_blob_find(&in_context_blobs,
SMB2_CREATE_TAG_QFID);
+#if 0
+ if (smb2req->xconn->protocol >= PROTOCOL_SMB3_02) {
+ /*
+ * This was introduced with SMB3_02
+ */
+ svhdx = smb2_create_blob_find(&in_context_blobs,
+ SVHDX_OPEN_DEVICE_CONTEXT);
+ }
+#endif
fname = talloc_strdup(state, in_name);
if (tevent_req_nomem(fname, req)) {
}
if (exta) {
- if (dhnc) {
- tevent_req_nterror(req,NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ if (!lp_ea_support(SNUM(smb2req->tcon->compat))) {
+ tevent_req_nterror(req,
+ NT_STATUS_EAS_NOT_SUPPORTED);
return tevent_req_post(req, ev);
}
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
- }
- if (mxac) {
- if (dhnc) {
- tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ /*
+ * NB. When SMB2+ unix extensions are added,
+ * we need to relax this check in invalid
+ * names - we used to not do this if
+ * lp_posix_pathnames() was false.
+ */
+ if (ea_list_has_invalid_name(ea_list)) {
+ tevent_req_nterror(req, STATUS_INVALID_EA_NAME);
return tevent_req_post(req, ev);
}
+ }
+ if (mxac) {
if (mxac->data.length == 0) {
max_access_time = 0;
} else if (mxac->data.length == 8) {
if (secd) {
enum ndr_err_code ndr_err;
- if (dhnc) {
- tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
- return tevent_req_post(req, ev);
- }
-
sec_desc = talloc_zero(state, struct security_descriptor);
if (tevent_req_nomem(sec_desc, req)) {
return tevent_req_post(req, ev);
}
if (dhnq) {
- if (dhnc) {
- tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ if (dhnq->data.length != 16) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
- if (dhnq->data.length != 16) {
+ if (dh2q) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
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) {
- if (dhnc->data.length != 16) {
+ if (dh2q) {
+ const uint8_t *p = dh2q->data.data;
+ uint32_t durable_v2_timeout = 0;
+ DATA_BLOB create_guid_blob;
+ const uint8_t *hdr;
+ uint32_t flags;
+
+ if (dh2q->data.length != 32) {
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 (dhnq) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ durable_v2_timeout = IVAL(p, 0);
+ create_guid_blob = data_blob_const(p + 16, 16);
+
+ status = GUID_from_ndr_blob(&create_guid_blob,
+ &_create_guid);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
+ create_guid = &_create_guid;
+ /*
+ * we need to store the create_guid later
+ */
+ update_open = true;
+
+ /*
+ * And we need to create a cache for replaying the
+ * create.
+ */
+ need_replay_cache = true;
+
+ /*
+ * durable handle v2 request processed below
+ */
+ durable_requested = true;
+ durable_timeout_msec = durable_v2_timeout;
+ if (durable_timeout_msec == 0) {
+ /*
+ * Set the timeout to 1 min as default.
+ *
+ * This matches Windows 2012.
+ */
+ durable_timeout_msec = (60*1000);
+ }
+
+ /*
+ * Check for replay operation.
+ * Only consider it when we have dh2q.
+ * If we do not have a replay operation, verify that
+ * the create_guid is not cached for replay.
+ */
+ hdr = SMBD_SMB2_IN_HDR_PTR(smb2req);
+ flags = IVAL(hdr, SMB2_HDR_FLAGS);
+ replay_operation =
+ flags & SMB2_HDR_FLAG_REPLAY_OPERATION;
+
+ status = smb2srv_open_lookup_replay_cache(
+ smb2req->xconn, create_guid,
+ 0 /* now */, &op);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
+ replay_operation = false;
+ } else if (tevent_req_nterror(req, status)) {
+ DBG_WARNING("smb2srv_open_lookup_replay_cache "
+ "failed: %s\n", nt_errstr(status));
+ return tevent_req_post(req, ev);
+ } else if (!replay_operation) {
+ /*
+ * If a create without replay operation flag
+ * is sent but with a create_guid that is
+ * currently in the replay cache -- fail.
+ */
+ status = NT_STATUS_DUPLICATE_OBJECTID;
+ (void)tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
}
- if (alsi) {
- if (dhnc) {
- tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ if (dhnc) {
+ persistent_id = BVAL(dhnc->data.data, 0);
+
+ do_durable_reconnect = true;
+ }
+
+ if (dh2c) {
+ const uint8_t *p = dh2c->data.data;
+ DATA_BLOB create_guid_blob;
+
+ persistent_id = BVAL(p, 0);
+ create_guid_blob = data_blob_const(p + 16, 16);
+
+ status = GUID_from_ndr_blob(&create_guid_blob,
+ &_create_guid);
+ if (tevent_req_nterror(req, status)) {
return tevent_req_post(req, ev);
}
+ create_guid = &_create_guid;
+
+ do_durable_reconnect = true;
+ }
+ if (alsi) {
if (alsi->data.length != 8) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
time_t t;
struct tm *tm;
- if (dhnc) {
- tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
- return tevent_req_post(req, ev);
- }
-
if (twrp->data.length != 8) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
TALLOC_FREE(fname);
fname = talloc_asprintf(state,
- "@GMT-%04u.%02u.%02u-%02u.%02u.%02u\\%s",
+ "%s\\@GMT-%04u.%02u.%02u-%02u.%02u.%02u",
+ in_name,
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour,
tm->tm_min,
- tm->tm_sec,
- in_name);
+ tm->tm_sec);
if (tevent_req_nomem(fname, req)) {
return tevent_req_post(req, ev);
}
}
}
+ if (rqls) {
+ lease_len = smb2_lease_pull(
+ rqls->data.data, rqls->data.length, &lease);
+ if (lease_len == -1) {
+ tevent_req_nterror(
+ req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+ lease_ptr = &lease;
+
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10, ("Got lease request size %d\n",
+ (int)lease_len));
+ NDR_PRINT_DEBUG(smb2_lease, lease_ptr);
+ }
+
+ if (!smb2_lease_key_valid(&lease.lease_key)) {
+ lease_ptr = NULL;
+ requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
+ }
+
+ if ((smb2req->xconn->protocol < PROTOCOL_SMB3_00) &&
+ (lease.lease_version != 1)) {
+ DEBUG(10, ("v2 lease key only for SMB3\n"));
+ lease_ptr = NULL;
+ }
+
+ /*
+ * Replay with a lease is only allowed if the
+ * established open carries a lease with the
+ * same lease key.
+ */
+ if (replay_operation) {
+ struct smb2_lease *op_ls =
+ &op->compat->lease->lease;
+ int op_oplock = op->compat->oplock_type;
+
+ if (map_samba_oplock_levels_to_smb2(op_oplock)
+ != SMB2_OPLOCK_LEVEL_LEASE)
+ {
+ status = NT_STATUS_ACCESS_DENIED;
+ (void)tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ if (!smb2_lease_key_equal(&lease.lease_key,
+ &op_ls->lease_key))
+ {
+ status = NT_STATUS_ACCESS_DENIED;
+ (void)tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ }
+ }
+
/* these are ignored for SMB2 */
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
+ * three possible modes: replay operation (in which case
+ * there is nothing else to do), durable_reconnect or
+ * new open.
*/
+ if (replay_operation) {
+ result = op->compat;
+ result->op = op;
+ update_open = false;
+ info = op->create_action;
+ } else if (do_durable_reconnect) {
+ DATA_BLOB new_cookie = data_blob_null;
+ NTTIME now = timeval_to_nttime(&smb2req->request_time);
+
+ status = smb2srv_open_recreate(smb2req->xconn,
+ 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 failed: %s\n",
+ nt_errstr(status)));
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+
+ DEBUG(10, ("smb2_create_send: %s to recreate the "
+ "smb2srv_open struct for a durable handle.\n",
+ op->global->durable ? "succeeded" : "failed"));
+
+ if (!op->global->durable) {
+ talloc_free(op);
+ tevent_req_nterror(req,
+ NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ return tevent_req_post(req, ev);
+ }
+
+ status = SMB_VFS_DURABLE_RECONNECT(smb1req->conn,
+ smb1req,
+ op, /* smbXsrv_open input */
+ op->global->backend_cookie,
+ op, /* TALLOC_CTX */
+ &result, &new_cookie);
+ if (!NT_STATUS_IS_OK(status)) {
+ NTSTATUS return_status;
+
+ return_status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
- if (!(smb1req->flags2 & FLAGS2_DFS_PATHNAMES)) {
- /* convert '\\' into '/' */
- status = check_path_syntax(fname);
+ 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);
+ }
+
+ DEBUG(10, ("result->oplock_type=%u, lease_ptr==%p\n",
+ (unsigned)result->oplock_type, lease_ptr));
+
+ status = smbd_smb2_create_durable_lease_check(
+ smb1req, fname, result, lease_ptr);
if (!NT_STATUS_IS_OK(status)) {
+ close_file(smb1req, result, SHUTDOWN_CLOSE);
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
- }
- status = filename_convert(req,
- smb1req->conn,
- smb1req->flags2 & FLAGS2_DFS_PATHNAMES,
- fname,
- 0,
- NULL,
- &smb_fname);
- if (!NT_STATUS_IS_OK(status)) {
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
- }
+ data_blob_free(&op->global->backend_cookie);
+ op->global->backend_cookie = new_cookie;
- in_file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+ op->status = NT_STATUS_OK;
+ op->global->disconnect_time = 0;
- 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;
+ /* save the timout for later update */
+ durable_timeout_msec = op->global->durable_timeout_msec;
+
+ update_open = true;
+
+ info = FILE_WAS_OPENED;
+ } else {
+ struct smb_filename *smb_fname = NULL;
+ uint32_t ucf_flags;
+
+ if (requested_oplock_level == SMB2_OPLOCK_LEVEL_LEASE) {
+ if (lease_ptr == NULL) {
+ requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
+ }
+ } else {
+ lease_ptr = NULL;
}
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
+
+ /*
+ * For a DFS path the function parse_dfs_path()
+ * will do the path processing.
+ */
+
+ 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);
+ }
+ }
+
+ ucf_flags = filename_create_ucf_flags(smb1req, in_create_disposition);
+ status = filename_convert(req,
+ smb1req->conn,
+ smb1req->flags2 & FLAGS2_DFS_PATHNAMES,
+ fname,
+ ucf_flags,
+ NULL, /* ppath_contains_wcards */
+ &smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+
+ /*
+ * MS-SMB2: 2.2.13 SMB2 CREATE Request
+ * ImpersonationLevel ... MUST contain one of the
+ * following values. The server MUST validate this
+ * field, but otherwise ignore it.
+ *
+ * NB. The source4/torture/smb2/durable_open.c test
+ * shows this check is only done on real opens, not
+ * on durable handle-reopens.
+ */
+
+ if (in_impersonation_level >
+ SMB2_IMPERSONATION_DELEGATE) {
+ tevent_req_nterror(req,
+ NT_STATUS_BAD_IMPERSONATION_LEVEL);
+ return tevent_req_post(req, ev);
+ }
+
+ /*
+ * We know we're going to do a local open, so now
+ * we must be protocol strict. JRA.
+ *
+ * MS-SMB2: 3.3.5.9 - Receiving an SMB2 CREATE Request
+ * If the file name length is greater than zero and the
+ * first character is a path separator character, the
+ * server MUST fail the request with
+ * STATUS_INVALID_PARAMETER.
+ */
+ if (in_name[0] == '\\' || in_name[0] == '/') {
+ tevent_req_nterror(req,
+ NT_STATUS_INVALID_PARAMETER);
+ 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),
+ lease_ptr,
+ allocation_size,
+ 0, /* private_flags */
+ sec_desc,
+ ea_list,
+ &result,
+ &info,
+ &in_context_blobs,
+ state->out_context_blobs);
+ if (!NT_STATUS_IS_OK(status)) {
+ if (open_was_deferred(smb1req->xconn, smb1req->mid)) {
+ SMBPROFILE_IOBYTES_ASYNC_SET_IDLE(smb2req->profile);
+ 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;
- unix_timespec_to_nt_time(&last_write_time,
+ last_write_time = unix_timespec_to_nt_time(
result->fsp_name->st.st_ex_mtime);
if (last_write_time != max_access_time) {
uint8_t p[8];
status = smbd_calculate_access_mask(smb1req->conn,
result->fsp_name,
- /*
- * at this stage
- * it exists
- */
- true,
+ false,
SEC_FLAG_MAXIMUM_ALLOWED,
&max_access_granted);
SIVAL(p, 0, NT_STATUS_V(status));
SIVAL(p, 4, max_access_granted);
- status = smb2_create_blob_add(state,
- &out_context_blobs,
- SMB2_CREATE_TAG_MXAC,
- blob);
+ status = smb2_create_blob_add(
+ state->out_context_blobs,
+ state->out_context_blobs,
+ SMB2_CREATE_TAG_MXAC,
+ blob);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
}
+ if (!replay_operation && durable_requested &&
+ (fsp_lease_type(result) & SMB2_LEASE_HANDLE))
+ {
+ 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 (!replay_operation && 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;
+ if (need_replay_cache) {
+ op->flags |= SMBXSRV_OPEN_NEED_REPLAY_CACHE;
+ }
+
+ 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,
+ 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 (dh2q && op->global->durable &&
+ /*
+ * For replay operations, we return the dh2q blob
+ * in the case of oplocks not based on the state of
+ * the open, but on whether it could have been granted
+ * for the request data. In the case of leases instead,
+ * the state of the open is used...
+ */
+ (!replay_operation ||
+ in_oplock_level == SMB2_OPLOCK_LEVEL_BATCH ||
+ in_oplock_level == SMB2_OPLOCK_LEVEL_LEASE))
+ {
+ uint8_t p[8] = { 0, };
+ DATA_BLOB blob = data_blob_const(p, sizeof(p));
+ uint32_t durable_v2_response_flags = 0;
+
+ SIVAL(p, 0, op->global->durable_timeout_msec);
+ SIVAL(p, 4, durable_v2_response_flags);
+
+ status = smb2_create_blob_add(state->out_context_blobs,
+ state->out_context_blobs,
+ SMB2_CREATE_TAG_DH2Q,
+ 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,
SBVAL(p, 0, file_index);
SIVAL(p, 8, result->fsp_name->st.st_ex_dev);/* FileIndexHigh */
- status = smb2_create_blob_add(state, &out_context_blobs,
+ status = smb2_create_blob_add(state->out_context_blobs,
+ state->out_context_blobs,
SMB2_CREATE_TAG_QFID,
blob);
if (!NT_STATUS_IS_OK(status)) {
return tevent_req_post(req, ev);
}
}
+
+ if ((rqls != NULL) && (result->oplock_type == LEASE_OPLOCK)) {
+ uint8_t buf[52];
+
+ lease = result->lease->lease;
+
+ lease_len = sizeof(buf);
+ if (lease.lease_version == 1) {
+ lease_len = 32;
+ }
+
+ if (!smb2_lease_push(&lease, buf, lease_len)) {
+ tevent_req_nterror(
+ req, NT_STATUS_INTERNAL_ERROR);
+ return tevent_req_post(req, ev);
+ }
+
+ status = smb2_create_blob_add(
+ state, state->out_context_blobs,
+ SMB2_CREATE_TAG_RQLS,
+ data_blob_const(buf, lease_len));
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ }
}
smb2req->compat_chain_fsp = smb1req->chain_fsp;
- if(lp_fake_oplocks(SNUM(smb2req->tcon->compat_conn))) {
+ if (replay_operation) {
+ state->out_oplock_level = in_oplock_level;
+ } else if (lp_fake_oplocks(SNUM(smb2req->tcon->compat))) {
state->out_oplock_level = in_oplock_level;
} else {
state->out_oplock_level = map_samba_oplock_levels_to_smb2(result->oplock_type);
} else {
state->out_create_action = info;
}
+ result->op->create_action = state->out_create_action;
state->out_file_attributes = dos_mode(result->conn,
result->fsp_name);
- /* Deal with other possible opens having a modified
- write time. JRA. */
- ZERO_STRUCT(write_time_ts);
- get_file_infos(result->file_id, 0, NULL, &write_time_ts);
- if (!null_timespec(write_time_ts)) {
- update_stat_ex_mtime(&result->fsp_name->st, write_time_ts);
- }
-
- unix_timespec_to_nt_time(&state->out_creation_time,
- get_create_timespec(smb1req->conn, result,
- result->fsp_name));
- unix_timespec_to_nt_time(&state->out_last_access_time,
- result->fsp_name->st.st_ex_atime);
- unix_timespec_to_nt_time(&state->out_last_write_time,
- result->fsp_name->st.st_ex_mtime);
- unix_timespec_to_nt_time(&state->out_change_time,
- get_change_timespec(smb1req->conn, result,
- result->fsp_name));
+
+ state->out_creation_ts = get_create_timespec(smb1req->conn,
+ result, result->fsp_name);
+ state->out_last_access_ts = result->fsp_name->st.st_ex_atime;
+ state->out_last_write_ts = result->fsp_name->st.st_ex_mtime;
+ state->out_change_ts = get_change_timespec(smb1req->conn,
+ result, result->fsp_name);
+
+ if (lp_dos_filetime_resolution(SNUM(smb2req->tcon->compat))) {
+ dos_filetime_timespec(&state->out_creation_ts);
+ dos_filetime_timespec(&state->out_last_access_ts);
+ dos_filetime_timespec(&state->out_last_write_ts);
+ dos_filetime_timespec(&state->out_change_ts);
+ }
+
state->out_allocation_size =
SMB_VFS_GET_ALLOC_SIZE(smb1req->conn, result,
&(result->fsp_name->st));
if (state->out_file_attributes == 0) {
state->out_file_attributes = FILE_ATTRIBUTE_NORMAL;
}
- state->out_file_id_persistent = result->fnum;
- state->out_file_id_volatile = result->fnum;
- state->out_context_blobs = out_context_blobs;
+ state->out_file_id_persistent = result->op->global->open_persistent_id;
+ state->out_file_id_volatile = result->op->global->open_volatile_id;
+
+ DEBUG(10,("smbd_smb2_create_send: %s - %s\n",
+ fsp_str_dbg(result), fsp_fnum_dbg(result)));
tevent_req_done(req);
return tevent_req_post(req, ev);
TALLOC_CTX *mem_ctx,
uint8_t *out_oplock_level,
uint32_t *out_create_action,
- NTTIME *out_creation_time,
- NTTIME *out_last_access_time,
- NTTIME *out_last_write_time,
- NTTIME *out_change_time,
+ struct timespec *out_creation_ts,
+ struct timespec *out_last_access_ts,
+ struct timespec *out_last_write_ts,
+ struct timespec *out_change_ts,
uint64_t *out_allocation_size,
uint64_t *out_end_of_file,
uint32_t *out_file_attributes,
*out_oplock_level = state->out_oplock_level;
*out_create_action = state->out_create_action;
- *out_creation_time = state->out_creation_time;
- *out_last_access_time = state->out_last_access_time;
- *out_last_write_time = state->out_last_write_time;
- *out_change_time = state->out_change_time;
+ *out_creation_ts = state->out_creation_ts;
+ *out_last_access_ts = state->out_last_access_ts;
+ *out_last_write_ts = state->out_last_write_ts;
+ *out_change_ts = state->out_change_ts;
*out_allocation_size = state->out_allocation_size;
*out_end_of_file = state->out_end_of_file;
*out_file_attributes = state->out_file_attributes;
*out_file_id_persistent = state->out_file_id_persistent;
*out_file_id_volatile = state->out_file_id_volatile;
- *out_context_blobs = state->out_context_blobs;
+ *out_context_blobs = *(state->out_context_blobs);
- talloc_steal(mem_ctx, state->out_context_blobs.blobs);
+ talloc_steal(mem_ctx, state->out_context_blobs->blobs);
tevent_req_received(req);
return NT_STATUS_OK;
bool get_deferred_open_message_state_smb2(struct smbd_smb2_request *smb2req,
struct timeval *p_request_time,
- void **pp_state)
+ struct deferred_open_record **open_rec)
{
struct smbd_smb2_create_state *state = NULL;
struct tevent_req *req = NULL;
if (!smb2req) {
return false;
}
- if (smb2req->subreq == NULL) {
- return false;
- }
req = smb2req->subreq;
if (!req) {
return false;
if (!state) {
return false;
}
+ if (!state->open_was_deferred) {
+ return false;
+ }
if (p_request_time) {
*p_request_time = state->request_time;
}
- if (pp_state) {
- *pp_state = (void *)state->private_data.data;
+ if (open_rec != NULL) {
+ *open_rec = state->open_rec;
}
return true;
}
*********************************************************/
static struct smbd_smb2_request *find_open_smb2req(
- struct smbd_server_connection *sconn, uint64_t mid)
+ struct smbXsrv_connection *xconn, uint64_t mid)
{
struct smbd_smb2_request *smb2req;
- for (smb2req = sconn->smb2.requests; smb2req; smb2req = smb2req->next) {
+ for (smb2req = xconn->smb2.requests; smb2req; smb2req = smb2req->next) {
uint64_t message_id;
if (smb2req->subreq == NULL) {
/* This message has been processed. */
return NULL;
}
-bool open_was_deferred_smb2(struct smbd_server_connection *sconn, uint64_t mid)
+bool open_was_deferred_smb2(struct smbXsrv_connection *xconn, uint64_t mid)
{
struct smbd_smb2_create_state *state = NULL;
struct smbd_smb2_request *smb2req;
- smb2req = find_open_smb2req(sconn, mid);
+ smb2req = find_open_smb2req(xconn, mid);
if (!smb2req) {
DEBUG(10,("open_was_deferred_smb2: mid %llu smb2req == NULL\n",
return false;
}
/* It's not in progress if there's no timeout event. */
- if (!state->te) {
+ if (!state->open_was_deferred) {
return false;
}
"mid %llu\n",
(unsigned long long)mid ));
+ state->open_was_deferred = false;
/* Ensure we don't have any outstanding timer event. */
TALLOC_FREE(state->te);
/* Ensure we don't have any outstanding immediate event. */
}
void remove_deferred_open_message_smb2(
- struct smbd_server_connection *sconn, uint64_t mid)
+ struct smbXsrv_connection *xconn, uint64_t mid)
{
struct smbd_smb2_request *smb2req;
- smb2req = find_open_smb2req(sconn, mid);
+ smb2req = find_open_smb2req(xconn, mid);
if (!smb2req) {
DEBUG(10,("remove_deferred_open_message_smb2: "
{
struct smbd_smb2_request *smb2req = talloc_get_type_abort(private_data,
struct smbd_smb2_request);
- struct smbd_server_connection *sconn = smb2req->sconn;
uint64_t mid = get_mid_from_smb2req(smb2req);
NTSTATUS status;
status = smbd_smb2_request_dispatch(smb2req);
if (!NT_STATUS_IS_OK(status)) {
- smbd_server_connection_terminate(sconn, nt_errstr(status));
+ smbd_server_connection_terminate(smb2req->xconn,
+ nt_errstr(status));
return;
}
}
-void schedule_deferred_open_message_smb2(
- struct smbd_server_connection *sconn, uint64_t mid)
+bool schedule_deferred_open_message_smb2(
+ struct smbXsrv_connection *xconn, uint64_t mid)
{
struct smbd_smb2_create_state *state = NULL;
struct smbd_smb2_request *smb2req;
- smb2req = find_open_smb2req(sconn, mid);
+ smb2req = find_open_smb2req(xconn, mid);
if (!smb2req) {
DEBUG(10,("schedule_deferred_open_message_smb2: "
"can't find mid %llu\n",
(unsigned long long)mid ));
- return;
+ return false;
}
if (!smb2req->subreq) {
- return;
+ return false;
}
if (!tevent_req_is_in_progress(smb2req->subreq)) {
- return;
+ return false;
}
state = tevent_req_data(smb2req->subreq,
struct smbd_smb2_create_state);
if (!state) {
- return;
+ return false;
}
/* Ensure we don't have any outstanding timer event. */
/*
* This is subtle. We must null out the callback
- * before resheduling, else the first call to
+ * before rescheduling, else the first call to
* tevent_req_nterror() causes the _receive()
* function to be called, this causing tevent_req_post()
* to crash.
state->im = tevent_create_immediate(smb2req);
if (!state->im) {
- smbd_server_connection_terminate(smb2req->sconn,
+ smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(NT_STATUS_NO_MEMORY));
- return;
+ return false;
}
DEBUG(10,("schedule_deferred_open_message_smb2: "
(unsigned long long)mid ));
tevent_schedule_immediate(state->im,
- smb2req->sconn->smb2.event_ctx,
+ smb2req->sconn->ev_ctx,
smbd_smb2_create_request_dispatch_immediate,
smb2req);
-}
-
-/*********************************************************
- Re-process this call.
-*********************************************************/
-
-static void smb2_deferred_open_timer(struct event_context *ev,
- struct timed_event *te,
- struct timeval _tval,
- void *private_data)
-{
- NTSTATUS status;
- struct smbd_smb2_create_state *state = NULL;
- struct smbd_smb2_request *smb2req = talloc_get_type(private_data,
- struct smbd_smb2_request);
-
- DEBUG(10,("smb2_deferred_open_timer: [idx=%d], %s\n",
- smb2req->current_idx,
- tevent_req_default_print(smb2req->subreq, talloc_tos()) ));
-
- state = tevent_req_data(smb2req->subreq,
- struct smbd_smb2_create_state);
- if (!state) {
- return;
- }
- /*
- * Null this out, don't talloc_free. It will
- * be talloc_free'd by the tevent library when
- * this returns.
- */
- state->te = NULL;
- /* Ensure we don't have any outstanding immediate event. */
- TALLOC_FREE(state->im);
- /*
- * This is subtle. We must null out the callback
- * before resheduling, else the first call to
- * tevent_req_nterror() causes the _receive()
- * function to be called, this causing tevent_req_post()
- * to crash.
- */
- tevent_req_set_callback(smb2req->subreq, NULL, NULL);
-
- status = smbd_smb2_request_dispatch(smb2req);
-
- if (!NT_STATUS_IS_OK(status)) {
- smbd_server_connection_terminate(smb2req->sconn,
- nt_errstr(status));
- }
+ return true;
}
static bool smbd_smb2_create_cancel(struct tevent_req *req)
smb2req = state->smb2req;
mid = get_mid_from_smb2req(smb2req);
- remove_deferred_open_entry(state->id, mid,
- sconn_server_id(smb2req->sconn));
+ if (is_deferred_open_async(state->open_rec)) {
+ /* Can't cancel an async create. */
+ return false;
+ }
+
remove_deferred_open_message_smb2_internal(smb2req, mid);
- smb2req->cancelled = true;
- tevent_req_done(req);
+ tevent_req_defer_callback(req, smb2req->sconn->ev_ctx);
+ tevent_req_nterror(req, NT_STATUS_CANCELLED);
return true;
}
struct timeval request_time,
struct timeval timeout,
struct file_id id,
- char *private_data,
- size_t priv_len)
+ struct deferred_open_record *open_rec)
{
struct tevent_req *req = NULL;
struct smbd_smb2_create_state *state = NULL;
}
state->id = id;
state->request_time = request_time;
- state->private_data = data_blob_talloc(state, private_data,
- priv_len);
- if (!state->private_data.data) {
- return false;
- }
+ state->open_rec = talloc_move(state, &open_rec);
/* Re-schedule us to retry on timer expiry. */
end_time = timeval_sum(&request_time, &timeout);
&end_time,
true) ));
- state->te = event_add_timed(smb2req->sconn->smb2.event_ctx,
- state,
- end_time,
- smb2_deferred_open_timer,
- smb2req);
- if (!state->te) {
- return false;
- }
+ state->open_was_deferred = true;
/* allow this request to be canceled */
tevent_req_set_cancel_fn(req, smbd_smb2_create_cancel);