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-rw-r--r--source3/smbd/smb2_create.c298
1 files changed, 199 insertions, 99 deletions
diff --git a/source3/smbd/smb2_create.c b/source3/smbd/smb2_create.c
index d1472d5361..e264afab14 100644
--- a/source3/smbd/smb2_create.c
+++ b/source3/smbd/smb2_create.c
@@ -22,33 +22,34 @@
#include "smbd/globals.h"
#include "../source4/libcli/smb2/smb2_constants.h"
-static NTSTATUS smbd_smb2_create(struct smbd_smb2_request *req,
- 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,
- 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,
- uint64_t *out_allocation_size,
- uint64_t *out_end_of_file,
- uint32_t *out_file_attributes,
- uint64_t *out_file_id_volatile);
-
+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);
+static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
+ 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,
+ uint64_t *out_allocation_size,
+ uint64_t *out_end_of_file,
+ uint32_t *out_file_attributes,
+ uint64_t *out_file_id_volatile);
+
+static void smbd_smb2_request_create_done(struct tevent_req *subreq);
NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *req)
{
const uint8_t *inbody;
int i = req->current_idx;
- uint8_t *outhdr;
- DATA_BLOB outbody;
- DATA_BLOB outdyn;
size_t expected_body_size = 0x39;
size_t body_size;
uint8_t in_oplock_level;
@@ -63,18 +64,8 @@ NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *req)
DATA_BLOB in_name_buffer;
char *in_name_string;
size_t in_name_string_size;
- 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;
- uint64_t out_allocation_size;
- uint64_t out_end_of_file;
- uint32_t out_file_attributes;
- uint64_t out_file_id_volatile;
- NTSTATUS status;
bool ok;
+ struct tevent_req *subreq;
if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
@@ -117,34 +108,78 @@ NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *req)
return smbd_smb2_request_error(req, NT_STATUS_ILLEGAL_CHARACTER);
}
- status = smbd_smb2_create(req,
- in_oplock_level,
- in_impersonation_level,
- in_desired_access,
- in_file_attributes,
- in_share_access,
- in_create_disposition,
- in_create_options,
- in_name_string,
- &out_oplock_level,
- &out_create_action,
- &out_creation_time,
- &out_last_access_time,
- &out_last_write_time,
- &out_change_time,
- &out_allocation_size,
- &out_end_of_file,
- &out_file_attributes,
- &out_file_id_volatile);
+ subreq = smbd_smb2_create_send(req,
+ req->conn->smb2.event_ctx,
+ req,
+ in_oplock_level,
+ in_impersonation_level,
+ in_desired_access,
+ in_file_attributes,
+ in_share_access,
+ in_create_disposition,
+ in_create_options,
+ in_name_string);
+ if (subreq == NULL) {
+ return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
+ }
+ tevent_req_set_callback(subreq, smbd_smb2_request_create_done, req);
+ return NT_STATUS_OK;
+}
+
+static void smbd_smb2_request_create_done(struct tevent_req *subreq)
+{
+ struct smbd_smb2_request *req = tevent_req_callback_data(subreq,
+ struct smbd_smb2_request);
+ int i = req->current_idx;
+ uint8_t *outhdr;
+ DATA_BLOB outbody;
+ DATA_BLOB outdyn;
+ 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;
+ uint64_t out_allocation_size;
+ uint64_t out_end_of_file;
+ uint32_t out_file_attributes;
+ uint64_t out_file_id_volatile;
+ NTSTATUS status;
+ NTSTATUS error; /* transport error */
+
+ status = smbd_smb2_create_recv(subreq,
+ &out_oplock_level,
+ &out_create_action,
+ &out_creation_time,
+ &out_last_access_time,
+ &out_last_write_time,
+ &out_change_time,
+ &out_allocation_size,
+ &out_end_of_file,
+ &out_file_attributes,
+ &out_file_id_volatile);
+ TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
- return smbd_smb2_request_error(req, status);
+ error = smbd_smb2_request_error(req, status);
+ if (!NT_STATUS_IS_OK(error)) {
+ smbd_server_connection_terminate(req->conn,
+ nt_errstr(error));
+ return;
+ }
+ return;
}
outhdr = (uint8_t *)req->out.vector[i].iov_base;
outbody = data_blob_talloc(req->out.vector, NULL, 0x58);
if (outbody.data == NULL) {
- return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
+ error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
+ if (!NT_STATUS_IS_OK(error)) {
+ smbd_server_connection_terminate(req->conn,
+ nt_errstr(error));
+ return;
+ }
+ return;
}
SSVAL(outbody.data, 0x00, 0x58 + 1); /* struct size */
@@ -176,48 +211,69 @@ NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *req)
outdyn = data_blob_const(NULL, 0);
- return smbd_smb2_request_done(req, outbody, &outdyn);
+ error = smbd_smb2_request_done(req, outbody, &outdyn);
+ if (!NT_STATUS_IS_OK(error)) {
+ smbd_server_connection_terminate(req->conn,
+ nt_errstr(error));
+ return;
+ }
}
-static NTSTATUS smbd_smb2_create(struct smbd_smb2_request *req,
- 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,
- 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,
- uint64_t *out_allocation_size,
- uint64_t *out_end_of_file,
- uint32_t *out_file_attributes,
- uint64_t *out_file_id_volatile)
+struct smbd_smb2_create_state {
+ struct smbd_smb2_request *smb2req;
+ 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;
+ uint64_t out_allocation_size;
+ uint64_t out_end_of_file;
+ uint32_t out_file_attributes;
+ uint64_t out_file_id_volatile;
+};
+
+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 tevent_req *req;
+ struct smbd_smb2_create_state *state;
NTSTATUS status;
struct smb_request *smbreq;
files_struct *result;
int info;
SMB_STRUCT_STAT sbuf;
+ req = tevent_req_create(mem_ctx, &state,
+ struct smbd_smb2_create_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->smb2req = smb2req;
+
DEBUG(10,("smbd_smb2_create: name[%s]\n",
in_name));
- smbreq = smbd_smb2_fake_smb_request(req);
- if (smbreq == NULL) {
- return NT_STATUS_NO_MEMORY;
+ smbreq = smbd_smb2_fake_smb_request(smb2req);
+ if (tevent_req_nomem(smbreq, req)) {
+ return tevent_req_post(req, ev);
}
if (IS_IPC(smbreq->conn)) {
const char *pipe_name = in_name;
if (!lp_nt_pipe_support()) {
- return NT_STATUS_ACCESS_DENIED;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
}
/* Strip \\ off the name. */
@@ -227,14 +283,16 @@ static NTSTATUS smbd_smb2_create(struct smbd_smb2_request *req,
status = open_np_file(smbreq, pipe_name, &result);
if (!NT_STATUS_IS_OK(status)) {
- return status;
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
}
- info = 0;
+ info = FILE_WAS_OPENED;
ZERO_STRUCT(sbuf);
} else if (CAN_PRINT(smbreq->conn)) {
status = file_new(smbreq, smbreq->conn, &result);
if(!NT_STATUS_IS_OK(status)) {
- return status;
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
}
status = print_fsp_open(smbreq,
@@ -245,7 +303,8 @@ static NTSTATUS smbd_smb2_create(struct smbd_smb2_request *req,
&sbuf);
if (!NT_STATUS_IS_OK(status)) {
file_free(smbreq, result);
- return status;
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
}
info = FILE_WAS_CREATED;
} else {
@@ -253,7 +312,7 @@ static NTSTATUS smbd_smb2_create(struct smbd_smb2_request *req,
in_create_options &= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
in_create_options &= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
- status = SMB_VFS_CREATE_FILE(req->tcon->compat_conn,
+ status = SMB_VFS_CREATE_FILE(smbreq->conn,
smbreq,
0, /* root_dir_fid */
in_name,
@@ -271,29 +330,70 @@ static NTSTATUS smbd_smb2_create(struct smbd_smb2_request *req,
&info,
&sbuf);
if (!NT_STATUS_IS_OK(status)) {
- return status;
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
}
}
- req->compat_chain_fsp = smbreq->chain_fsp;
+ smb2req->compat_chain_fsp = smbreq->chain_fsp;
- *out_oplock_level = 0;
+ state->out_oplock_level = 0;
if ((in_create_disposition == FILE_SUPERSEDE)
&& (info == FILE_WAS_OVERWRITTEN)) {
- *out_create_action = FILE_WAS_SUPERSEDED;
+ state->out_create_action = FILE_WAS_SUPERSEDED;
} else {
- *out_create_action = info;
+ state->out_create_action = info;
}
- unix_timespec_to_nt_time(out_creation_time, sbuf.st_ex_btime);
- unix_timespec_to_nt_time(out_last_access_time, sbuf.st_ex_atime);
- unix_timespec_to_nt_time(out_last_write_time,sbuf.st_ex_mtime);
- unix_timespec_to_nt_time(out_change_time, sbuf.st_ex_ctime);
- *out_allocation_size = sbuf.st_ex_blksize * sbuf.st_ex_blocks;
- *out_end_of_file = sbuf.st_ex_size;
- *out_file_attributes = dos_mode(result->conn,result->fsp_name,&sbuf);
- if (*out_file_attributes == 0) {
- *out_file_attributes = FILE_ATTRIBUTE_NORMAL;
+ unix_timespec_to_nt_time(&state->out_creation_time, sbuf.st_ex_btime);
+ unix_timespec_to_nt_time(&state->out_last_access_time, sbuf.st_ex_atime);
+ unix_timespec_to_nt_time(&state->out_last_write_time,sbuf.st_ex_mtime);
+ unix_timespec_to_nt_time(&state->out_change_time, sbuf.st_ex_ctime);
+ state->out_allocation_size = sbuf.st_ex_blksize * sbuf.st_ex_blocks;
+ state->out_end_of_file = sbuf.st_ex_size;
+ state->out_file_attributes = dos_mode(result->conn,
+ result->fsp_name,
+ &sbuf);
+ if (state->out_file_attributes == 0) {
+ state->out_file_attributes = FILE_ATTRIBUTE_NORMAL;
}
- *out_file_id_volatile = result->fnum;
+ state->out_file_id_volatile = result->fnum;
+
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
+}
+
+static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
+ 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,
+ uint64_t *out_allocation_size,
+ uint64_t *out_end_of_file,
+ uint32_t *out_file_attributes,
+ uint64_t *out_file_id_volatile)
+{
+ NTSTATUS status;
+ struct smbd_smb2_create_state *state = tevent_req_data(req,
+ struct smbd_smb2_create_state);
+
+ if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
+ return status;
+ }
+
+ *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_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_volatile = state->out_file_id_volatile;
+
+ tevent_req_received(req);
return NT_STATUS_OK;
}
generated by cgit (git 2.34.1) at 2024-11-22 21:11:41 +0000