sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2025-08-02 00:22:11 +03:00
Code Activity

r15753: implement SMB2 Create

Browse Source 
metze
(This used to be commit 65b67a8af6)
This commit is contained in:
Stefan Metzmacher
2006-05-20 17:06:28 +00:00
committed by Gerald (Jerry) Carter
parent 6af051409a
commit c2c5f78f11
2 changed files with 150 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
source4/smb_server/smb2/fileio.c
View File

@ -20,11 +20,63 @@
#include "includes.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "smb_server/smb_server.h"
#include "smb_server/service_smb_proto.h"
#include "smb_server/smb2/smb2_server.h"
#include "ntvfs/ntvfs.h"
static void smb2srv_create_send(struct ntvfs_request *ntvfs)
{
struct smb2srv_request *req;
union smb_open *io;
SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_open);
SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x58, True, io->smb2.out.blob.length));
SSVAL(req->out.body, 0x02, io->smb2.out.oplock_flags);
SIVAL(req->out.body, 0x04, io->smb2.out.create_action);
SBVAL(req->out.body, 0x08, io->smb2.out.create_time);
SBVAL(req->out.body, 0x10, io->smb2.out.access_time);
SBVAL(req->out.body, 0x18, io->smb2.out.write_time);
SBVAL(req->out.body, 0x20, io->smb2.out.change_time);
SBVAL(req->out.body, 0x28, io->smb2.out.alloc_size);
SBVAL(req->out.body, 0x30, io->smb2.out.size);
SIVAL(req->out.body, 0x38, io->smb2.out.file_attr);
SIVAL(req->out.body, 0x3C, io->smb2.out._pad);
smb2srv_push_handle(req->out.body, 0x40,io->smb2.out.file.ntvfs);
SMB2SRV_CHECK(smb2_push_o16s16_blob(&req->out, 0x50, io->smb2.out.blob));
smb2srv_send_reply(req);
}
void smb2srv_create_recv(struct smb2srv_request *req)
{
smb2srv_send_error(req, NT_STATUS_NOT_IMPLEMENTED);
union smb_open *io;
DATA_BLOB blob;
SMB2SRV_CHECK_BODY_SIZE(req, 0x38, True);
SMB2SRV_TALLOC_IO_PTR(io, union smb_open);
SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_create_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
io->smb2.level = RAW_OPEN_SMB2;
io->smb2.in.oplock_flags = SVAL(req->in.body, 0x02);
io->smb2.in.impersonation = IVAL(req->in.body, 0x04);
io->smb2.in.unknown3[0] = IVAL(req->in.body, 0x08);
io->smb2.in.unknown3[1] = IVAL(req->in.body, 0x0C);
io->smb2.in.unknown3[2] = IVAL(req->in.body, 0x10);
io->smb2.in.unknown3[3] = IVAL(req->in.body, 0x14);
io->smb2.in.access_mask = IVAL(req->in.body, 0x18);
io->smb2.in.file_attr = IVAL(req->in.body, 0x1C);
io->smb2.in.share_access = IVAL(req->in.body, 0x20);
io->smb2.in.open_disposition = IVAL(req->in.body, 0x24);
io->smb2.in.create_options = IVAL(req->in.body, 0x28);
SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, io, req->in.body+0x2C, &io->smb2.in.fname));
SMB2SRV_CHECK(smb2_pull_o32s32_blob(&req->in, io, req->in.body+0x30, &blob));
/* TODO: parse the blob */
ZERO_STRUCT(io->smb2.in.eas);
SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, io));
}
void smb2srv_close_recv(struct smb2srv_request *req)

97
source4/smb_server/smb2/smb2_server.h
View File

@ -60,3 +60,100 @@ struct smb2srv_request {
struct smbsrv_request;
#include "smb_server/smb2/smb2_proto.h"
/* useful way of catching wct errors with file and line number */
#define SMB2SRV_CHECK_BODY_SIZE(req, size, dynamic) do { \
size_t is_size = req->in.body_size; \
uint16_t field_size = SVAL(req->in.body, 0); \
uint16_t want_size = ((dynamic)?(size)+1:(size)); \
if (is_size < (size)) { \
DEBUG(0,("%s: buffer too small 0x%x. Expected 0x%x\n", \
__location__, is_size, want_size)); \
smb2srv_send_error(req, NT_STATUS_FOOBAR); \
}\
if (field_size != want_size) { \
DEBUG(0,("%s: unexpected fixed body size 0x%x. Expected 0x%x\n", \
__location__, field_size, want_size)); \
smb2srv_send_error(req, NT_STATUS_FOOBAR); \
} \
} while (0)
#define SMB2SRV_CHECK(cmd) do {\
NTSTATUS _status; \
_status = cmd; \
if (!NT_STATUS_IS_OK(_status)) { \
smb2srv_send_error(req, _status); \
return; \
} \
} while (0)
/* useful wrapper for talloc with NO_MEMORY reply */
#define SMB2SRV_TALLOC_IO_PTR(ptr, type) do { \
ptr = talloc(req, type); \
if (!ptr) { \
smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
return; \
} \
req->io_ptr = ptr; \
} while (0)
#define SMB2SRV_SETUP_NTVFS_REQUEST(send_fn, state) do { \
req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req, \
req->session->session_info,\
0, \
0, \
req->request_time, \
req, send_fn, state); \
if (!req->ntvfs) { \
smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
return; \
} \
if (!talloc_reference(req->ntvfs, req)) { \
smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
return; \
} \
req->ntvfs->frontend_data.private_data = req; \
} while (0)
#define SMB2SRV_CHECK_FILE_HANDLE(handle) do { \
if (!handle) { \
smb2srv_send_error(req, NT_STATUS_INVALID_HANDLE); \
return; \
} \
} while (0)
/*
check if the backend wants to handle the request asynchronously.
if it wants it handled synchronously then call the send function
immediately
*/
#define SMB2SRV_CALL_NTVFS_BACKEND(cmd) do { \
req->ntvfs->async_states->status = cmd; \
if (!(req->ntvfs->async_states->state & NTVFS_ASYNC_STATE_ASYNC)) { \
req->ntvfs->async_states->send_fn(req->ntvfs); \
} \
} while (0)
/* check req->ntvfs->async_states->status and if not OK then send an error reply */
#define SMB2SRV_CHECK_ASYNC_STATUS_ERR_SIMPLE do { \
req = talloc_get_type(ntvfs->async_states->private_data, struct smb2srv_request); \
if (NT_STATUS_IS_ERR(ntvfs->async_states->status)) { \
smb2srv_send_error(req, ntvfs->async_states->status); \
return; \
} \
} while (0)
#define SMB2SRV_CHECK_ASYNC_STATUS_ERR(ptr, type) do { \
SMB2SRV_CHECK_ASYNC_STATUS_ERR_SIMPLE; \
ptr = talloc_get_type(req->io_ptr, type); \
} while (0)
#define SMB2SRV_CHECK_ASYNC_STATUS_SIMPLE do { \
req = talloc_get_type(ntvfs->async_states->private_data, struct smb2srv_request); \
if (!NT_STATUS_IS_OK(ntvfs->async_states->status)) { \
smb2srv_send_error(req, ntvfs->async_states->status); \
return; \
} \
} while (0)
#define SMB2SRV_CHECK_ASYNC_STATUS(ptr, type) do { \
SMB2SRV_CHECK_ASYNC_STATUS_SIMPLE; \
ptr = talloc_get_type(req->io_ptr, type); \
} while (0)