#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"
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_SMB2
+
int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level)
{
switch(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,
}
tsubreq = smbd_smb2_create_send(smb2req,
- smb2req->sconn->ev_ctx,
+ smb2req->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)
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;
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;
}
- 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)
+{
+ char *filename = NULL;
+ 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;
+ }
+
+ filename = talloc_strdup(talloc_tos(), requested_filename);
+ if (filename == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* This also converts '\' to '/' */
+ status = check_path_syntax(filename);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(filename);
+ return status;
+ }
+
+ ucf_flags = filename_create_ucf_flags(smb1req, FILE_OPEN);
+ status = filename_convert(talloc_tos(), fsp->conn,
+ filename, ucf_flags,
+ NULL, &smb_fname);
+ TALLOC_FREE(filename);
+ 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 tevent_context *ev;
struct smbd_smb2_request *smb2req;
struct smb_request *smb1req;
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;
+ files_struct *result;
+ bool replay_operation;
+ uint8_t in_oplock_level;
+ uint32_t in_create_disposition;
+ int requested_oplock_level;
+ int info;
+ char *fname;
+ struct ea_list *ea_list;
+ NTTIME max_access_time;
+ struct security_descriptor *sec_desc;
+ uint64_t allocation_size;
+ struct GUID _create_guid;
+ struct GUID *create_guid;
+ bool update_open;
+ bool durable_requested;
+ uint32_t durable_timeout_msec;
+ bool do_durable_reconnect;
+ uint64_t persistent_id;
+ struct smb2_lease lease;
+ struct smb2_lease *lease_ptr;
+ ssize_t lease_len;
+ bool need_replay_cache;
+ struct smbXsrv_open *op;
+
+ struct smb2_create_blob *dhnc;
+ struct smb2_create_blob *dh2c;
+ struct smb2_create_blob *dhnq;
+ struct smb2_create_blob *dh2q;
+ struct smb2_create_blob *rqls;
+ struct smb2_create_blob *exta;
+ struct smb2_create_blob *mxac;
+ struct smb2_create_blob *secd;
+ struct smb2_create_blob *alsi;
+ struct smb2_create_blob *twrp;
+ struct smb2_create_blob *qfid;
+ struct smb2_create_blob *svhdx;
+
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 tevent_context *ev,
- struct smbd_smb2_request *smb2req,
- uint8_t in_oplock_level,
- uint32_t in_impersonation_level,
- uint32_t in_desired_access,
- uint32_t in_file_attributes,
- uint32_t in_share_access,
- uint32_t in_create_disposition,
- uint32_t in_create_options,
- const char *in_name,
- struct smb2_create_blobs in_context_blobs)
+static NTSTATUS smbd_smb2_create_fetch_create_ctx(
+ struct tevent_req *req,
+ struct smb2_create_blobs *in_context_blobs)
{
- struct tevent_req *req = NULL;
- struct smbd_smb2_create_state *state = NULL;
- NTSTATUS status;
- 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;
- 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 smbXsrv_open *op = NULL;
-
- ZERO_STRUCT(out_context_blobs);
-
- if(lp_fake_oplocks(SNUM(smb2req->tcon->compat))) {
- requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
- } else {
- requested_oplock_level = in_oplock_level;
+ struct smbd_smb2_create_state *state = tevent_req_data(
+ req, struct smbd_smb2_create_state);
+
+ state->dhnq = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_DHNQ);
+ state->dhnc = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_DHNC);
+ state->dh2q = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_DH2Q);
+ state->dh2c = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_DH2C);
+ if (state->smb2req->xconn->smb2.server.capabilities & SMB2_CAP_LEASING) {
+ state->rqls = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_RQLS);
}
-
- if (smb2req->subreq == NULL) {
- /* New create call. */
- req = tevent_req_create(mem_ctx, &state,
- struct smbd_smb2_create_state);
- if (req == NULL) {
- return NULL;
- }
- state->smb2req = smb2req;
-
- smb1req = smbd_smb2_fake_smb_request(smb2req);
- if (tevent_req_nomem(smb1req, req)) {
- return tevent_req_post(req, ev);
- }
- state->smb1req = smb1req;
- smb2req->subreq = req;
- DEBUG(10,("smbd_smb2_create: name[%s]\n",
- in_name));
- } else {
- /* Re-entrant create call. */
- req = smb2req->subreq;
- state = tevent_req_data(req,
- struct smbd_smb2_create_state);
- smb1req = state->smb1req;
- DEBUG(10,("smbd_smb2_create_send: reentrant for file %s\n",
- in_name ));
- }
-
- 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 ((dhnc && dh2c) || (dhnc && dh2q) || (dh2c && dhnq) ||
- (dh2q && dh2c))
+ if (((state->dhnc != NULL) && (state->dh2c != NULL)) ||
+ ((state->dhnc != NULL) && (state->dh2q != NULL)) ||
+ ((state->dh2c != NULL) && (state->dhnq != NULL)) ||
+ ((state->dh2q != NULL) && (state->dh2c != NULL)))
{
/* not both are allowed at the same time */
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
+ return NT_STATUS_INVALID_PARAMETER;
}
- if (dhnc) {
+ if (state->dhnc != NULL) {
uint32_t num_blobs_allowed;
- if (dhnc->data.length != 16) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
+ if (state->dhnc->data.length != 16) {
+ return NT_STATUS_INVALID_PARAMETER;
}
/*
* (Note that the cases of an additional dh2q or dh2c blob
* which require a different error code, have been treated
* above.)
- *
- * TODO:
- * This is only true for the oplock case:
- * For leases, lease request is required additionally.
*/
- if (dhnq) {
+ if (state->dhnq != NULL) {
num_blobs_allowed = 2;
} else {
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 (state->rqls != NULL) {
+ num_blobs_allowed += 1;
+ }
+
+ if (in_context_blobs->num_blobs != num_blobs_allowed) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
}
- if (dh2c) {
- if (dh2c->data.length != 36) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
+ if (state->dh2c!= NULL) {
+ uint32_t num_blobs_allowed;
+
+ if (state->dh2c->data.length != 36) {
+ return NT_STATUS_INVALID_PARAMETER;
}
- if (in_context_blobs.num_blobs != 1) {
- /*
- * DH2C should be the only one.
- * TODO: This is only true for the oplock case!
- * For leases, lease request is required additionally!
- */
- tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
- 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 (state->rqls != NULL) {
+ num_blobs_allowed += 1;
+ }
+
+ if (in_context_blobs->num_blobs != num_blobs_allowed) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
}
+ state->exta = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_EXTA);
+ state->mxac = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_MXAC);
+ state->secd = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_SECD);
+ state->alsi = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_ALSI);
+ state->twrp = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_TWRP);
+ state->qfid = smb2_create_blob_find(in_context_blobs,
+ SMB2_CREATE_TAG_QFID);
+ if (state->smb2req->xconn->protocol >= PROTOCOL_SMB3_02) {
+ /*
+ * This was introduced with SMB3_02
+ */
+ state->svhdx = smb2_create_blob_find(
+ in_context_blobs, SVHDX_OPEN_DEVICE_CONTEXT);
+ }
+
+ return NT_STATUS_OK;
+}
+
+static void smbd_smb2_create_before_exec(struct tevent_req *req);
+static void smbd_smb2_create_after_exec(struct tevent_req *req);
+static void smbd_smb2_create_finish(struct tevent_req *req);
+
+static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbd_smb2_request *smb2req,
+ uint8_t in_oplock_level,
+ uint32_t in_impersonation_level,
+ uint32_t in_desired_access,
+ uint32_t in_file_attributes,
+ uint32_t in_share_access,
+ uint32_t in_create_disposition,
+ uint32_t in_create_options,
+ const char *in_name,
+ struct smb2_create_blobs in_context_blobs)
+{
+ struct tevent_req *req = NULL;
+ struct smbd_smb2_create_state *state = NULL;
+ NTSTATUS status;
+ struct smb_request *smb1req = NULL;
+ struct smb_filename *smb_fname = NULL;
+ uint32_t ucf_flags;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct smbd_smb2_create_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ *state = (struct smbd_smb2_create_state) {
+ .ev = ev,
+ .smb2req = smb2req,
+ .in_oplock_level = in_oplock_level,
+ .in_create_disposition = in_create_disposition,
+ };
+
+ smb1req = smbd_smb2_fake_smb_request(smb2req);
+ if (tevent_req_nomem(smb1req, req)) {
+ return tevent_req_post(req, state->ev);
+ }
+ state->smb1req = smb1req;
+
+ if (smb2req->subreq == NULL) {
+ DBG_DEBUG("name [%s]\n", in_name);
+ } else {
+ struct smbd_smb2_create_state *old_state = tevent_req_data(
+ smb2req->subreq, struct smbd_smb2_create_state);
+
+ DBG_DEBUG("reentrant for file %s\n", in_name);
+
+ state->id = old_state->id;
+ state->request_time = old_state->request_time;
+ state->open_rec = talloc_move(state, &old_state->open_rec);
+ state->open_was_deferred = old_state->open_was_deferred;
+ }
+
+ TALLOC_FREE(smb2req->subreq);
+ smb2req->subreq = req;
+
+ if (lp_fake_oplocks(SNUM(smb2req->tcon->compat))) {
+ state->requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
+ } else {
+ state->requested_oplock_level = state->in_oplock_level;
+ }
+
+ /* these are ignored for SMB2 */
+ in_create_options &= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
+ in_create_options &= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
+
+ in_file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+
+ state->fname = talloc_strdup(state, in_name);
+ if (tevent_req_nomem(state->fname, req)) {
+ return tevent_req_post(req, state->ev);
+ }
+
+ 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, state->ev);
+ }
+
+ status = smbd_smb2_create_fetch_create_ctx(req, &in_context_blobs);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, state->ev);
+ }
+
if (IS_IPC(smb1req->conn)) {
const char *pipe_name = in_name;
- if (dhnc || dh2c) {
+ if (state->dhnc != NULL || state->dh2c != NULL) {
/* durable handles are not supported on IPC$ */
tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
- return tevent_req_post(req, ev);
+ return tevent_req_post(req, state->ev);
}
if (!lp_nt_pipe_support()) {
tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
- return tevent_req_post(req, ev);
+ return tevent_req_post(req, state->ev);
}
- status = open_np_file(smb1req, pipe_name, &result);
+ status = open_np_file(smb1req, pipe_name, &state->result);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
+ return tevent_req_post(req, state->ev);
}
- info = FILE_WAS_OPENED;
+ state->info = FILE_WAS_OPENED;
+
+ smbd_smb2_create_finish(req);
+ return req;
+
} else if (CAN_PRINT(smb1req->conn)) {
- if (dhnc || dh2c) {
+ if (state->dhnc != NULL || state->dh2c != NULL) {
/* durable handles are not supported on printers */
tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
- return tevent_req_post(req, ev);
+ return tevent_req_post(req, state->ev);
}
- status = file_new(smb1req, smb1req->conn, &result);
+ status = file_new(smb1req, smb1req->conn, &state->result);
if(!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
+ return tevent_req_post(req, state->ev);
}
- status = print_spool_open(result, in_name,
+ status = print_spool_open(state->result, in_name,
smb1req->vuid);
if (!NT_STATUS_IS_OK(status)) {
- file_free(smb1req, result);
+ file_free(smb1req, state->result);
tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
+ return tevent_req_post(req, state->ev);
}
- info = FILE_WAS_CREATED;
- } else {
- char *fname;
- 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 *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;
-
- exta = smb2_create_blob_find(&in_context_blobs,
- SMB2_CREATE_TAG_EXTA);
- mxac = smb2_create_blob_find(&in_context_blobs,
- SMB2_CREATE_TAG_MXAC);
- secd = smb2_create_blob_find(&in_context_blobs,
- SMB2_CREATE_TAG_SECD);
- 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);
-
- fname = talloc_strdup(state, in_name);
- if (tevent_req_nomem(fname, req)) {
- return tevent_req_post(req, ev);
+ state->info = FILE_WAS_CREATED;
+
+ smbd_smb2_create_finish(req);
+ return req;
+ }
+
+ smbd_smb2_create_before_exec(req);
+ if (!tevent_req_is_in_progress(req)) {
+ return tevent_req_post(req, state->ev);
+ }
+
+ DBG_DEBUG("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 (state->replay_operation) {
+ state->result = state->op->compat;
+ state->result->op = state->op;
+ state->update_open = false;
+ state->info = state->op->create_action;
+
+ smbd_smb2_create_after_exec(req);
+ if (!tevent_req_is_in_progress(req)) {
+ return req;
}
- if (exta) {
- ea_list = read_nttrans_ea_list(mem_ctx,
- (const char *)exta->data.data, exta->data.length);
- if (!ea_list) {
- DEBUG(10,("smbd_smb2_create_send: read_ea_name_list failed.\n"));
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
+ smbd_smb2_create_finish(req);
+ return req;
- if (ea_list_has_invalid_name(ea_list)) {
- tevent_req_nterror(req, STATUS_INVALID_EA_NAME);
- return tevent_req_post(req, ev);
- }
+ } else if (state->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,
+ state->persistent_id,
+ state->create_guid,
+ now,
+ &state->op);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_NOTICE("smb2srv_open_recreate failed: %s\n",
+ nt_errstr(status));
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, state->ev);
}
- if (mxac) {
- if (mxac->data.length == 0) {
- max_access_time = 0;
- } else if (mxac->data.length == 8) {
- max_access_time = BVAL(mxac->data.data, 0);
- } else {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
+ DBG_DEBUG("%s to recreate durable handle\n",
+ state->op->global->durable ? "succeeded" : "failed");
+
+ if (!state->op->global->durable) {
+ talloc_free(state->op);
+ tevent_req_nterror(req,
+ NT_STATUS_OBJECT_NAME_NOT_FOUND);
+ return tevent_req_post(req, state->ev);
}
- if (secd) {
- enum ndr_err_code ndr_err;
+ status = SMB_VFS_DURABLE_RECONNECT(smb1req->conn,
+ smb1req,
+ state->op, /* smbXsrv_open input */
+ state->op->global->backend_cookie,
+ state->op, /* TALLOC_CTX */
+ &state->result,
+ &new_cookie);
+ if (!NT_STATUS_IS_OK(status)) {
+ NTSTATUS return_status;
- sec_desc = talloc_zero(state, struct security_descriptor);
- if (tevent_req_nomem(sec_desc, req)) {
- return tevent_req_post(req, ev);
- }
+ return_status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
- ndr_err = ndr_pull_struct_blob(&secd->data,
- sec_desc, sec_desc,
- (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(2,("ndr_pull_security_descriptor failed: %s\n",
- ndr_errstr(ndr_err)));
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
- }
+ DBG_NOTICE("durable_reconnect failed: %s => %s\n",
+ nt_errstr(status),
+ nt_errstr(return_status));
- if (dhnq) {
- if (dhnq->data.length != 16) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
+ tevent_req_nterror(req, return_status);
+ return tevent_req_post(req, state->ev);
+ }
- if (dh2q) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
+ DBG_DEBUG("oplock_type=%u, lease_ptr==%p\n",
+ (unsigned)state->result->oplock_type, state->lease_ptr);
- /*
- * 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);
+ status = smbd_smb2_create_durable_lease_check(
+ smb1req, state->fname, state->result, state->lease_ptr);
+ if (!NT_STATUS_IS_OK(status)) {
+ close_file(smb1req, state->result, SHUTDOWN_CLOSE);
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, state->ev);
}
- if (dh2q) {
- const uint8_t *p = dh2q->data.data;
- uint32_t durable_v2_timeout = 0;
- DATA_BLOB create_guid_blob;
+ data_blob_free(&state->op->global->backend_cookie);
+ state->op->global->backend_cookie = new_cookie;
- if (dh2q->data.length != 32) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
+ state->op->status = NT_STATUS_OK;
+ state->op->global->disconnect_time = 0;
- if (dhnq) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
+ /* save the timout for later update */
+ state->durable_timeout_msec = state->op->global->durable_timeout_msec;
- durable_v2_timeout = IVAL(p, 0);
- create_guid_blob = data_blob_const(p + 16, 16);
+ state->update_open = true;
- 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;
+ state->info = FILE_WAS_OPENED;
- /*
- * 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);
- }
+ smbd_smb2_create_after_exec(req);
+ if (!tevent_req_is_in_progress(req)) {
+ return req;
}
- if (dhnc) {
- persistent_id = BVAL(dhnc->data.data, 0);
+ smbd_smb2_create_finish(req);
+ return req;
+ }
- do_durable_reconnect = true;
+ if (state->requested_oplock_level == SMB2_OPLOCK_LEVEL_LEASE) {
+ if (state->lease_ptr == NULL) {
+ state->requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
}
+ } else {
+ state->lease_ptr = NULL;
+ }
+
+ /*
+ * For a DFS path the function parse_dfs_path()
+ * will do the path processing.
+ */
- if (dh2c) {
- const uint8_t *p = dh2c->data.data;
- DATA_BLOB create_guid_blob;
+ if (!(smb1req->flags2 & FLAGS2_DFS_PATHNAMES)) {
+ /* convert '\\' into '/' */
+ status = check_path_syntax(state->fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, state->ev);
+ }
+ }
- persistent_id = BVAL(p, 0);
- create_guid_blob = data_blob_const(p + 16, 16);
+ ucf_flags = filename_create_ucf_flags(
+ smb1req, state->in_create_disposition);
+ status = filename_convert(req,
+ smb1req->conn,
+ state->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, state->ev);
+ }
- 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;
+ /*
+ * 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.
+ */
- do_durable_reconnect = true;
+ if (in_impersonation_level >
+ SMB2_IMPERSONATION_DELEGATE) {
+ tevent_req_nterror(req,
+ NT_STATUS_BAD_IMPERSONATION_LEVEL);
+ return tevent_req_post(req, state->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, state->ev);
+ }
+
+ status = SMB_VFS_CREATE_FILE(smb1req->conn,
+ smb1req,
+ 0, /* root_dir_fid */
+ smb_fname,
+ in_desired_access,
+ in_share_access,
+ state->in_create_disposition,
+ in_create_options,
+ in_file_attributes,
+ map_smb2_oplock_levels_to_samba(
+ state->requested_oplock_level),
+ state->lease_ptr,
+ state->allocation_size,
+ 0, /* private_flags */
+ state->sec_desc,
+ state->ea_list,
+ &state->result,
+ &state->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, state->ev);
+ }
+ state->op = state->result->op;
- if (alsi) {
- if (alsi->data.length != 8) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
- allocation_size = BVAL(alsi->data.data, 0);
+ smbd_smb2_create_after_exec(req);
+ if (!tevent_req_is_in_progress(req)) {
+ return req;
+ }
+
+ smbd_smb2_create_finish(req);
+ return req;
+}
+
+static void smbd_smb2_create_before_exec(struct tevent_req *req)
+{
+ struct smbd_smb2_create_state *state = tevent_req_data(
+ req, struct smbd_smb2_create_state);
+ struct smb_request *smb1req = state->smb1req;
+ struct smbd_smb2_request *smb2req = state->smb2req;
+ NTSTATUS status;
+
+ if (state->exta != NULL) {
+ if (!lp_ea_support(SNUM(smb2req->tcon->compat))) {
+ tevent_req_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
+ return;
}
- if (twrp) {
- NTTIME nttime;
- time_t t;
- struct tm *tm;
+ state->ea_list = read_nttrans_ea_list(
+ state,
+ (const char *)state->exta->data.data,
+ state->exta->data.length);
+ if (state->ea_list == NULL) {
+ DEBUG(10,("smbd_smb2_create_send: read_ea_name_list failed.\n"));
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
- if (twrp->data.length != 8) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
+ /*
+ * 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(state->ea_list)) {
+ tevent_req_nterror(req, STATUS_INVALID_EA_NAME);
+ return;
+ }
+ }
- nttime = BVAL(twrp->data.data, 0);
- t = nt_time_to_unix(nttime);
- tm = gmtime(&t);
-
- TALLOC_FREE(fname);
- fname = talloc_asprintf(state,
- "@GMT-%04u.%02u.%02u-%02u.%02u.%02u\\%s",
- tm->tm_year + 1900,
- tm->tm_mon + 1,
- tm->tm_mday,
- tm->tm_hour,
- tm->tm_min,
- tm->tm_sec,
- in_name);
- if (tevent_req_nomem(fname, req)) {
- return tevent_req_post(req, ev);
- }
+ if (state->mxac != NULL) {
+ if (state->mxac->data.length == 0) {
+ state->max_access_time = 0;
+ } else if (state->mxac->data.length == 8) {
+ state->max_access_time = BVAL(state->mxac->data.data, 0);
+ } else {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
}
+ }
- if (qfid) {
- if (qfid->data.length != 0) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
+ if (state->secd != NULL) {
+ enum ndr_err_code ndr_err;
+
+ state->sec_desc = talloc_zero(state, struct security_descriptor);
+ if (tevent_req_nomem(state->sec_desc, req)) {
+ return;
}
- /* these are ignored for SMB2 */
- in_create_options &= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
- in_create_options &= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
+ ndr_err = ndr_pull_struct_blob(&state->secd->data,
+ state->sec_desc, state->sec_desc,
+ (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(2,("ndr_pull_security_descriptor failed: %s\n",
+ ndr_errstr(ndr_err)));
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+ }
- in_file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+ if (state->dhnq != NULL) {
+ if (state->dhnq->data.length != 16) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
- DEBUG(10, ("smbd_smb2_create_send: open execution phase\n"));
+ if (state->dh2q != NULL) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
/*
- * For the backend file open procedure, there are
- * two possible modes: durable_reconnect or not.
+ * durable handle request is processed below.
*/
- if (do_durable_reconnect) {
- DATA_BLOB new_cookie = data_blob_null;
- NTTIME now = timeval_to_nttime(&smb2req->request_time);
-
- 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 failed: %s\n",
- nt_errstr(status)));
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
- }
+ state->durable_requested = true;
+ /*
+ * Set the timeout to 16 mins.
+ *
+ * TODO: test this against Windows 2012
+ * as the default for durable v2 is 1 min.
+ */
+ state->durable_timeout_msec = (16*60*1000);
+ }
- DEBUG(10, ("smb2_create_send: %s to recreate the "
- "smb2srv_open struct for a durable handle.\n",
- op->global->durable ? "succeded" : "failed"));
+ if (state->dh2q != NULL) {
+ const uint8_t *p = state->dh2q->data.data;
+ uint32_t durable_v2_timeout = 0;
+ DATA_BLOB create_guid_blob;
+ const uint8_t *hdr;
+ uint32_t flags;
- if (!op->global->durable) {
- talloc_free(op);
- tevent_req_nterror(req,
- NT_STATUS_OBJECT_NAME_NOT_FOUND);
- return tevent_req_post(req, ev);
- }
+ if (state->dh2q->data.length != 32) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
- 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;
+ if (state->dhnq != NULL) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
- return_status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ durable_v2_timeout = IVAL(p, 0);
+ create_guid_blob = data_blob_const(p + 16, 16);
- DEBUG(3, ("smbd_smb2_create_send: "
- "durable_reconnect failed: %s => %s\n",
- nt_errstr(status),
- nt_errstr(return_status)));
+ status = GUID_from_ndr_blob(&create_guid_blob,
+ &state->_create_guid);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ state->create_guid = &state->_create_guid;
- tevent_req_nterror(req, return_status);
- return tevent_req_post(req, ev);
- }
+ /*
+ * we need to store the create_guid later
+ */
+ state->update_open = true;
- data_blob_free(&op->global->backend_cookie);
- op->global->backend_cookie = new_cookie;
+ /*
+ * And we need to create a cache for replaying the
+ * create.
+ */
+ state->need_replay_cache = true;
- op->status = NT_STATUS_OK;
- op->global->disconnect_time = 0;
+ /*
+ * durable handle v2 request processed below
+ */
+ state->durable_requested = true;
+ state->durable_timeout_msec = durable_v2_timeout;
+ if (state->durable_timeout_msec == 0) {
+ /*
+ * Set the timeout to 1 min as default.
+ *
+ * This matches Windows 2012.
+ */
+ state->durable_timeout_msec = (60*1000);
+ }
- /* save the timout for later update */
- durable_timeout_msec = op->global->durable_timeout_msec;
+ /*
+ * 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);
+ state->replay_operation =
+ flags & SMB2_HDR_FLAG_REPLAY_OPERATION;
+
+ status = smb2srv_open_lookup_replay_cache(smb2req->xconn,
+ state->create_guid,
+ 0 /* now */,
+ &state->op);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
+ state->replay_operation = false;
+ } else if (tevent_req_nterror(req, status)) {
+ DBG_WARNING("smb2srv_open_lookup_replay_cache "
+ "failed: %s\n", nt_errstr(status));
+ return;
+ } else if (!state->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;
+ }
+ }
- update_open = true;
+ if (state->dhnc != NULL) {
+ state->persistent_id = BVAL(state->dhnc->data.data, 0);
+ state->do_durable_reconnect = true;
+ }
- info = FILE_WAS_OPENED;
- } else {
- struct smb_filename *smb_fname = NULL;
+ if (state->dh2c != NULL) {
+ const uint8_t *p = state->dh2c->data.data;
+ DATA_BLOB create_guid_blob;
- /*
- * For a DFS path the function parse_dfs_path()
- * will do the path processing.
- */
+ state->persistent_id = BVAL(p, 0);
+ create_guid_blob = data_blob_const(p + 16, 16);
- 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);
- }
- }
+ status = GUID_from_ndr_blob(&create_guid_blob,
+ &state->_create_guid);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
- status = filename_convert(req,
- smb1req->conn,
- smb1req->flags2 & FLAGS2_DFS_PATHNAMES,
- fname,
- (in_create_disposition == FILE_CREATE) ?
- UCF_CREATING_FILE : 0,
- NULL, /* ppath_contains_wcards */
- &smb_fname);
- if (!NT_STATUS_IS_OK(status)) {
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
- }
+ state->create_guid = &state->_create_guid;
+ state->do_durable_reconnect = true;
+ }
- 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;
+ if (state->alsi != NULL) {
+ if (state->alsi->data.length != 8) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
+ }
+ state->allocation_size = BVAL(state->alsi->data.data, 0);
+ }
+
+ if (state->twrp != NULL) {
+ NTTIME nttime;
+ time_t t;
+ struct tm *tm;
+ char *tmpname = state->fname;
+
+ if (state->twrp->data.length != 8) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
}
+ nttime = BVAL(state->twrp->data.data, 0);
+ t = nt_time_to_unix(nttime);
+ tm = gmtime(&t);
+
+ state->fname = talloc_asprintf(
+ state,
+ "%s\\@GMT-%04u.%02u.%02u-%02u.%02u.%02u",
+ state->fname,
+ tm->tm_year + 1900,
+ tm->tm_mon + 1,
+ tm->tm_mday,
+ tm->tm_hour,
+ tm->tm_min,
+ tm->tm_sec);
+ if (tevent_req_nomem(state->fname, req)) {
+ return;
+ }
+ TALLOC_FREE(tmpname);
/*
- * here we have op == result->op
+ * Tell filename_create_ucf_flags() this
+ * is an @GMT path.
*/
+ smb1req->flags2 |= FLAGS2_REPARSE_PATH;
+ }
- DEBUG(10, ("smbd_smb2_create_send: "
- "response construction phase\n"));
-
- if (mxac) {
- NTTIME last_write_time;
-
- unix_timespec_to_nt_time(&last_write_time,
- result->fsp_name->st.st_ex_mtime);
- if (last_write_time != max_access_time) {
- uint8_t p[8];
- uint32_t max_access_granted;
- DATA_BLOB blob = data_blob_const(p, sizeof(p));
-
- status = smbd_calculate_access_mask(smb1req->conn,
- result->fsp_name,
- 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);
- if (!NT_STATUS_IS_OK(status)) {
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
- }
- }
+ if (state->qfid != NULL) {
+ if (state->qfid->data.length != 0) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return;
}
+ }
- 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 (state->rqls != NULL) {
+ ssize_t lease_len = -1;
+
+ lease_len = smb2_lease_pull(state->rqls->data.data,
+ state->rqls->data.length,
+ &state->lease);
+ if (lease_len == -1) {
+ tevent_req_nterror(
+ req, NT_STATUS_INVALID_PARAMETER);
+ return;
}
- if (op->global->backend_cookie.length > 0) {
- update_open = true;
+ state->lease_ptr = &state->lease;
- op->global->durable = true;
- op->global->durable_timeout_msec = durable_timeout_msec;
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10, ("Got lease request size %d\n",
+ (int)lease_len));
+ NDR_PRINT_DEBUG(smb2_lease, state->lease_ptr);
}
- if (update_open) {
- op->global->create_guid = _create_guid;
+ if (!smb2_lease_key_valid(&state->lease.lease_key)) {
+ state->lease_ptr = NULL;
+ state->requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
+ }
- 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 ((smb2req->xconn->protocol < PROTOCOL_SMB3_00) &&
+ (state->lease.lease_version != 1))
+ {
+ DEBUG(10, ("v2 lease key only for SMB3\n"));
+ state->lease_ptr = NULL;
+ }
+
+ /*
+ * Replay with a lease is only allowed if the
+ * established open carries a lease with the
+ * same lease key.
+ */
+ if (state->replay_operation) {
+ struct smb2_lease *op_ls =
+ &state->op->compat->lease->lease;
+ int op_oplock = state->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;
+ }
+ if (!smb2_lease_key_equal(&state->lease.lease_key,
+ &op_ls->lease_key))
+ {
+ status = NT_STATUS_ACCESS_DENIED;
+ (void)tevent_req_nterror(req, status);
+ return;
}
}
+ }
+
+ return;
+}
+
+static void smbd_smb2_create_after_exec(struct tevent_req *req)
+{
+ struct smbd_smb2_create_state *state = tevent_req_data(
+ req, struct smbd_smb2_create_state);
+ struct smb_request *smb1req = state->smb1req;
+ NTSTATUS status;
+
+ /*
+ * here we have op == result->op
+ */
+
+ DEBUG(10, ("smbd_smb2_create_send: "
+ "response construction phase\n"));
+
+ if (state->mxac != NULL) {
+ NTTIME last_write_time;
- if (dhnq && op->global->durable) {
- uint8_t p[8] = { 0, };
+ last_write_time = unix_timespec_to_nt_time(
+ state->result->fsp_name->st.st_ex_mtime);
+ if (last_write_time != state->max_access_time) {
+ uint8_t p[8];
+ uint32_t max_access_granted;
DATA_BLOB blob = data_blob_const(p, sizeof(p));
- status = smb2_create_blob_add(state,
- &out_context_blobs,
- SMB2_CREATE_TAG_DHNQ,
- blob);
+ status = smbd_calculate_access_mask(smb1req->conn,
+ state->result->fsp_name,
+ 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,
+ 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);
+ tevent_req_post(req, state->ev);
+ return;
}
}
+ }
- if (dh2q && op->global->durable) {
- uint8_t p[8] = { 0, };
- DATA_BLOB blob = data_blob_const(p, sizeof(p));
- uint32_t durable_v2_response_flags = 0;
+ if (!state->replay_operation && state->durable_requested &&
+ (fsp_lease_type(state->result) & SMB2_LEASE_HANDLE))
+ {
+ status = SMB_VFS_DURABLE_COOKIE(
+ state->result,
+ state->op,
+ &state->op->global->backend_cookie);
+ if (!NT_STATUS_IS_OK(status)) {
+ state->op->global->backend_cookie = data_blob_null;
+ }
+ }
+ if (!state->replay_operation && state->op->global->backend_cookie.length > 0)
+ {
+ state->update_open = true;
- SIVAL(p, 0, op->global->durable_timeout_msec);
- SIVAL(p, 4, durable_v2_response_flags);
+ state->op->global->durable = true;
+ state->op->global->durable_timeout_msec = state->durable_timeout_msec;
+ }
- status = smb2_create_blob_add(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 (state->update_open) {
+ state->op->global->create_guid = state->_create_guid;
+ if (state->need_replay_cache) {
+ state->op->flags |= SMBXSRV_OPEN_NEED_REPLAY_CACHE;
}
- if (qfid) {
- uint8_t p[32];
- uint64_t file_index = get_FileIndex(result->conn,
- &result->fsp_name->st);
- DATA_BLOB blob = data_blob_const(p, sizeof(p));
+ status = smbXsrv_open_update(state->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);
+ tevent_req_post(req, state->ev);
+ return;
+ }
+ }
- ZERO_STRUCT(p);
+ if (state->dhnq != NULL && state->op->global->durable) {
+ uint8_t p[8] = { 0, };
+ DATA_BLOB blob = data_blob_const(p, sizeof(p));
- /* From conversations with Microsoft engineers at
- the MS plugfest. The first 8 bytes are the "volume index"
- == inode, the second 8 bytes are the "volume id",
- == dev. This will be updated in the SMB2 doc. */
- 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,
+ state->out_context_blobs,
+ SMB2_CREATE_TAG_DHNQ,
+ blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ tevent_req_post(req, state->ev);
+ return;
+ }
+ }
- status = smb2_create_blob_add(state, &out_context_blobs,
- SMB2_CREATE_TAG_QFID,
- blob);
- if (!NT_STATUS_IS_OK(status)) {
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
- }
+ if (state->dh2q != NULL && state->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...
+ */
+ (!state->replay_operation ||
+ state->in_oplock_level == SMB2_OPLOCK_LEVEL_BATCH ||
+ state->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, state->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);
+ tevent_req_post(req, state->ev);
+ return;
}
}
+ if (state->qfid != NULL) {
+ uint8_t p[32];
+ uint64_t file_index = get_FileIndex(state->result->conn,
+ &state->result->fsp_name->st);
+ DATA_BLOB blob = data_blob_const(p, sizeof(p));
+
+ ZERO_STRUCT(p);
+
+ /* From conversations with Microsoft engineers at
+ the MS plugfest. The first 8 bytes are the "volume index"
+ == inode, the second 8 bytes are the "volume id",
+ == dev. This will be updated in the SMB2 doc. */
+ SBVAL(p, 0, file_index);
+ SIVAL(p, 8, state->result->fsp_name->st.st_ex_dev);/* FileIndexHigh */
+
+ status = smb2_create_blob_add(state->out_context_blobs,
+ state->out_context_blobs,
+ SMB2_CREATE_TAG_QFID,
+ blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ tevent_req_post(req, state->ev);
+ return;
+ }
+ }
+
+ if ((state->rqls != NULL) && (state->result->oplock_type == LEASE_OPLOCK)) {
+ uint8_t buf[52];
+ struct smb2_lease lease;
+ size_t lease_len;
+
+ lease = state->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);
+ tevent_req_post(req, state->ev);
+ return;
+ }
+
+ 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);
+ tevent_req_post(req, state->ev);
+ return;
+ }
+ }
+
+ return;
+}
+
+static void smbd_smb2_create_finish(struct tevent_req *req)
+{
+ struct smbd_smb2_create_state *state = tevent_req_data(
+ req, struct smbd_smb2_create_state);
+ struct smbd_smb2_request *smb2req = state->smb2req;
+ struct smb_request *smb1req = state->smb1req;
+ files_struct *result = state->result;
+
smb2req->compat_chain_fsp = smb1req->chain_fsp;
- if(lp_fake_oplocks(SNUM(smb2req->tcon->compat))) {
- state->out_oplock_level = in_oplock_level;
+ if (state->replay_operation) {
+ state->out_oplock_level = state->in_oplock_level;
+ } else if (lp_fake_oplocks(SNUM(smb2req->tcon->compat))) {
+ state->out_oplock_level = state->in_oplock_level;
} else {
state->out_oplock_level = map_samba_oplock_levels_to_smb2(result->oplock_type);
}
- if ((in_create_disposition == FILE_SUPERSEDE)
- && (info == FILE_WAS_OVERWRITTEN)) {
+ if ((state->in_create_disposition == FILE_SUPERSEDE)
+ && (state->info == FILE_WAS_OVERWRITTEN)) {
state->out_create_action = FILE_WAS_SUPERSEDED;
} else {
- state->out_create_action = info;
+ state->out_create_action = state->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));
}
state->out_file_id_persistent = result->op->global->open_persistent_id;
state->out_file_id_volatile = result->op->global->open_volatile_id;
- state->out_context_blobs = out_context_blobs;
- DEBUG(10,("smbd_smb2_create_send: %s - %s\n",
- fsp_str_dbg(result), fsp_fnum_dbg(result)));
+ DBG_DEBUG("%s - %s\n", fsp_str_dbg(result), fsp_fnum_dbg(result));
tevent_req_done(req);
- return tevent_req_post(req, ev);
+ tevent_req_post(req, state->ev);
+ return;
}
static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
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 (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",
(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. */
TALLOC_FREE(state->im);
}
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;
}
}
bool schedule_deferred_open_message_smb2(
- struct smbd_server_connection *sconn, uint64_t mid)
+ 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: "
return false;
}
- /* Ensure we don't have any outstanding timer event. */
- TALLOC_FREE(state->te);
/* Ensure we don't have any outstanding immediate event. */
TALLOC_FREE(state->im);
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 false;
}
(unsigned long long)mid ));
tevent_schedule_immediate(state->im,
- smb2req->sconn->ev_ctx,
+ smb2req->ev_ctx,
smbd_smb2_create_request_dispatch_immediate,
smb2req);
smb2req = state->smb2req;
mid = get_mid_from_smb2req(smb2req);
- if (is_deferred_open_async(state->private_data.data)) {
+ if (is_deferred_open_async(state->open_rec)) {
/* Can't cancel an async create. */
return false;
}
remove_deferred_open_message_smb2_internal(smb2req, mid);
- tevent_req_defer_callback(req, smb2req->sconn->ev_ctx);
+ tevent_req_defer_callback(req, smb2req->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);
git.samba.org / samba.git / blobdiff