summaryrefslogtreecommitdiff
path: root/source4
diff options
context:
space:
mode:
Diffstat (limited to 'source4')
-rw-r--r--source4/libcli/raw/interfaces.h25
-rw-r--r--source4/libcli/smb2/create.c52
-rw-r--r--source4/libcli/smb2/smb2.h28
-rw-r--r--source4/ntvfs/ipc/vfs_ipc.c4
-rw-r--r--source4/smb_server/smb2/fileio.c22
-rw-r--r--source4/torture/smb2/connect.c10
-rw-r--r--source4/torture/smb2/lock.c8
-rw-r--r--source4/torture/smb2/util.c40
8 files changed, 109 insertions, 80 deletions
diff --git a/source4/libcli/raw/interfaces.h b/source4/libcli/raw/interfaces.h
index ddbddf4c59..ce6323f2e5 100644
--- a/source4/libcli/raw/interfaces.h
+++ b/source4/libcli/raw/interfaces.h
@@ -1552,16 +1552,16 @@ union smb_open {
enum smb_open_level level;
struct {
/* static body buffer 56 (0x38) bytes */
- /* uint16_t buffer_code; 0x39 = 0x38 + 1 */
- uint16_t oplock_flags; /* SMB2_CREATE_FLAG_* */
- uint32_t impersonation;
- uint32_t unknown3[4];
- uint32_t access_mask;
-
- uint32_t file_attr;
- uint32_t share_access;
- uint32_t open_disposition;
- uint32_t create_options;
+ uint8_t security_flags; /* SMB2_SECURITY_* */
+ uint8_t oplock_level; /* SMB2_OPLOCK_LEVEL_* */
+ uint32_t impersonation_level; /* SMB2_IMPERSONATION_* */
+ uint64_t create_flags;
+ uint64_t reserved;
+ uint32_t desired_access;
+ uint32_t file_attributes;
+ uint32_t share_access; /* NTCREATEX_SHARE_ACCESS_* */
+ uint32_t create_disposition; /* NTCREATEX_DISP_* */
+ uint32_t create_options; /* NTCREATEX_OPTIONS_* */
/* uint16_t fname_ofs */
/* uint16_t fname_size */
@@ -1579,7 +1579,8 @@ union smb_open {
/* static body buffer 88 (0x58) bytes */
/* uint16_t buffer_code; 0x59 = 0x58 + 1 */
- uint16_t oplock_flags; /* SMB2_CREATE_FLAG_* */
+ uint8_t oplock_level;
+ uint8_t reserved;
uint32_t create_action;
NTTIME create_time;
NTTIME access_time;
@@ -1588,7 +1589,7 @@ union smb_open {
uint64_t alloc_size;
uint64_t size;
uint32_t file_attr;
- uint32_t _pad;
+ uint32_t reserved2;
/* struct smb2_handle handle;*/
/* uint32_t blob_ofs; */
/* uint32_t blob_size; */
diff --git a/source4/libcli/smb2/create.c b/source4/libcli/smb2/create.c
index ba11c22e87..cca83a040c 100644
--- a/source4/libcli/smb2/create.c
+++ b/source4/libcli/smb2/create.c
@@ -24,34 +24,33 @@
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
-#define CREATE_TAG_EXTA 0x41747845 /* "ExtA" */
-#define CREATE_TAG_MXAC 0x6341784D /* "MxAc" */
-
/*
add a blob to a smb2_create attribute blob
*/
NTSTATUS smb2_create_blob_add(TALLOC_CTX *mem_ctx, DATA_BLOB *blob,
- uint32_t tag,
+ const char *tag,
DATA_BLOB add, bool last)
{
uint32_t ofs = blob->length;
- uint8_t pad = smb2_padding_size(add.length, 8);
- if (!data_blob_realloc(mem_ctx, blob, blob->length + 0x18 + add.length + pad))
+ size_t tag_length = strlen(tag);
+ uint8_t pad = smb2_padding_size(add.length+tag_length, 8);
+ if (!data_blob_realloc(mem_ctx, blob,
+ blob->length + 0x14 + tag_length + add.length + pad))
return NT_STATUS_NO_MEMORY;
if (last) {
SIVAL(blob->data, ofs+0x00, 0);
} else {
- SIVAL(blob->data, ofs+0x00, 0x18 + add.length + pad);
+ SIVAL(blob->data, ofs+0x00, 0x14 + tag_length + add.length + pad);
}
SSVAL(blob->data, ofs+0x04, 0x10); /* offset of tag */
- SIVAL(blob->data, ofs+0x06, 0x04); /* tag length */
- SSVAL(blob->data, ofs+0x0A, 0x18); /* offset of data */
+ SIVAL(blob->data, ofs+0x06, tag_length); /* tag length */
+ SSVAL(blob->data, ofs+0x0A, 0x14 + tag_length); /* offset of data */
SIVAL(blob->data, ofs+0x0C, add.length);
- SIVAL(blob->data, ofs+0x10, tag);
- SIVAL(blob->data, ofs+0x14, 0); /* pad? */
- memcpy(blob->data+ofs+0x18, add.data, add.length);
- memset(blob->data+ofs+0x18+add.length, 0, pad);
+ memcpy(blob->data+ofs+0x10, tag, tag_length);
+ SIVAL(blob->data, ofs+0x10+tag_length, 0); /* pad? */
+ memcpy(blob->data+ofs+0x14+tag_length, add.data, add.length);
+ memset(blob->data+ofs+0x14+tag_length+add.length, 0, pad);
return NT_STATUS_OK;
}
@@ -68,16 +67,15 @@ struct smb2_request *smb2_create_send(struct smb2_tree *tree, struct smb2_create
req = smb2_request_init_tree(tree, SMB2_OP_CREATE, 0x38, true, 0);
if (req == NULL) return NULL;
- SSVAL(req->out.body, 0x02, io->in.oplock_flags);
- SIVAL(req->out.body, 0x04, io->in.impersonation);
- SIVAL(req->out.body, 0x08, io->in.unknown3[0]);
- SIVAL(req->out.body, 0x0C, io->in.unknown3[1]);
- SIVAL(req->out.body, 0x10, io->in.unknown3[2]);
- SIVAL(req->out.body, 0x14, io->in.unknown3[3]);
- SIVAL(req->out.body, 0x18, io->in.access_mask);
- SIVAL(req->out.body, 0x1C, io->in.file_attr);
+ SCVAL(req->out.body, 0x02, io->in.security_flags);
+ SCVAL(req->out.body, 0x03, io->in.oplock_level);
+ SIVAL(req->out.body, 0x04, io->in.impersonation_level);
+ SBVAL(req->out.body, 0x08, io->in.create_flags);
+ SBVAL(req->out.body, 0x10, io->in.reserved);
+ SIVAL(req->out.body, 0x18, io->in.desired_access);
+ SIVAL(req->out.body, 0x1C, io->in.file_attributes);
SIVAL(req->out.body, 0x20, io->in.share_access);
- SIVAL(req->out.body, 0x24, io->in.open_disposition);
+ SIVAL(req->out.body, 0x24, io->in.create_disposition);
SIVAL(req->out.body, 0x28, io->in.create_options);
status = smb2_push_o16s16_string(&req->out, 0x2C, io->in.fname);
@@ -90,7 +88,7 @@ struct smb2_request *smb2_create_send(struct smb2_tree *tree, struct smb2_create
DATA_BLOB b = data_blob_talloc(req, NULL,
ea_list_size_chained(io->in.eas.num_eas, io->in.eas.eas));
ea_put_list_chained(b.data, io->in.eas.num_eas, io->in.eas.eas);
- status = smb2_create_blob_add(req, &blob, CREATE_TAG_EXTA, b, false);
+ status = smb2_create_blob_add(req, &blob, SMB2_CREATE_TAG_EXTA, b, false);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(req);
return NULL;
@@ -100,7 +98,8 @@ struct smb2_request *smb2_create_send(struct smb2_tree *tree, struct smb2_create
/* an empty MxAc tag seems to be used to ask the server to
return the maximum access mask allowed on the file */
- status = smb2_create_blob_add(req, &blob, CREATE_TAG_MXAC, data_blob(NULL, 0), true);
+ status = smb2_create_blob_add(req, &blob, SMB2_CREATE_TAG_MXAC,
+ data_blob(NULL, 0), true);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(req);
@@ -132,7 +131,8 @@ NTSTATUS smb2_create_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, struct
SMB2_CHECK_PACKET_RECV(req, 0x58, true);
- io->out.oplock_flags = SVAL(req->in.body, 0x02);
+ io->out.oplock_level = CVAL(req->in.body, 0x02);
+ io->out.reserved = CVAL(req->in.body, 0x03);
io->out.create_action = IVAL(req->in.body, 0x04);
io->out.create_time = smbcli_pull_nttime(req->in.body, 0x08);
io->out.access_time = smbcli_pull_nttime(req->in.body, 0x10);
@@ -141,7 +141,7 @@ NTSTATUS smb2_create_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, struct
io->out.alloc_size = BVAL(req->in.body, 0x28);
io->out.size = BVAL(req->in.body, 0x30);
io->out.file_attr = IVAL(req->in.body, 0x38);
- io->out._pad = IVAL(req->in.body, 0x3C);
+ io->out.reserved2 = IVAL(req->in.body, 0x3C);
smb2_pull_handle(req->in.body+0x40, &io->out.file.handle);
status = smb2_pull_o32s32_blob(&req->in, mem_ctx, req->in.body+0x50, &io->out.blob);
if (!NT_STATUS_IS_OK(status)) {
diff --git a/source4/libcli/smb2/smb2.h b/source4/libcli/smb2/smb2.h
index 549b477ffd..db13ab69b3 100644
--- a/source4/libcli/smb2/smb2.h
+++ b/source4/libcli/smb2/smb2.h
@@ -217,6 +217,34 @@ struct smb2_request {
#define SMB2_SHAREFLAG_ACCESS_BASED_DIRECTORY_ENUM 0x0800
#define SMB2_SHAREFLAG_ALL 0x0F33
+/* SMB2 create security flags */
+#define SMB2_SECURITY_DYNAMIC_TRACKING 0x01
+#define SMB2_SECURITY_EFFECTIVE_ONLY 0x02
+
+/* SMB2 requested oplock levels */
+#define SMB2_OPLOCK_LEVEL_NONE 0x00
+#define SMB2_OPLOCK_LEVEL_II 0x01
+#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08
+#define SMB2_OPLOCK_LEVEL_BATCH 0x09
+
+/* SMB2 impersonation levels */
+#define SMB2_IMPERSONATION_ANONYMOUS 0x00
+#define SMB2_IMPERSONATION_IDENTIFICATION 0x01
+#define SMB2_IMPERSONATION_IMPERSONATION 0x02
+#define SMB2_IMPERSONATION_DELEGATE 0x03
+
+/* SMB2 create tags */
+#define SMB2_CREATE_TAG_EXTA "ExtA"
+#define SMB2_CREATE_TAG_MXAC "MxAc"
+#define SMB2_CREATE_TAG_SECD "SecD"
+#define SMB2_CREATE_TAG_DHNQ "DHnQ"
+#define SMB2_CREATE_TAG_DHNC "DHnC"
+#define SMB2_CREATE_TAG_ALSI "AlSi"
+#define SMB2_CREATE_TAG_TWRP "TWrp"
+#define SMB2_CREATE_TAG_QFID "QFid"
+
+
+
/*
check that a body has the expected size
*/
diff --git a/source4/ntvfs/ipc/vfs_ipc.c b/source4/ntvfs/ipc/vfs_ipc.c
index 81cd984f0b..92f0eadae1 100644
--- a/source4/ntvfs/ipc/vfs_ipc.c
+++ b/source4/ntvfs/ipc/vfs_ipc.c
@@ -322,7 +322,7 @@ static NTSTATUS ipc_open_smb2(struct ntvfs_module_context *ntvfs,
NT_STATUS_NOT_OK_RETURN(status);
oi->smb2.out.file.ntvfs = p->handle;
- oi->smb2.out.oplock_flags = oi->smb2.in.oplock_flags;
+ oi->smb2.out.oplock_level = oi->smb2.in.oplock_level;
oi->smb2.out.create_action = NTCREATEX_ACTION_EXISTED;
oi->smb2.out.create_time = 0;
oi->smb2.out.access_time = 0;
@@ -331,7 +331,7 @@ static NTSTATUS ipc_open_smb2(struct ntvfs_module_context *ntvfs,
oi->smb2.out.alloc_size = 4096;
oi->smb2.out.size = 0;
oi->smb2.out.file_attr = FILE_ATTRIBUTE_NORMAL;
- oi->smb2.out._pad = 0;
+ oi->smb2.out.reserved2 = 0;
oi->smb2.out.blob = data_blob(NULL, 0);
return status;
diff --git a/source4/smb_server/smb2/fileio.c b/source4/smb_server/smb2/fileio.c
index 0e83c78615..567243ba94 100644
--- a/source4/smb_server/smb2/fileio.c
+++ b/source4/smb_server/smb2/fileio.c
@@ -34,7 +34,8 @@ static void smb2srv_create_send(struct ntvfs_request *ntvfs)
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);
+ SCVAL(req->out.body, 0x02, io->smb2.out.oplock_level);
+ SCVAL(req->out.body, 0x03, io->smb2.out.reserved);
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);
@@ -43,7 +44,7 @@ static void smb2srv_create_send(struct ntvfs_request *ntvfs)
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);
+ SIVAL(req->out.body, 0x3C, io->smb2.out.reserved2);
smb2srv_push_handle(req->out.body, 0x40, io->smb2.out.file.ntvfs);
SMB2SRV_CHECK(smb2_push_o32s32_blob(&req->out, 0x50, io->smb2.out.blob));
@@ -64,16 +65,15 @@ void smb2srv_create_recv(struct smb2srv_request *req)
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.security_flags = CVAL(req->in.body, 0x02);
+ io->smb2.in.oplock_level = CVAL(req->in.body, 0x03);
+ io->smb2.in.impersonation_level = IVAL(req->in.body, 0x04);
+ io->smb2.in.create_flags = BVAL(req->in.body, 0x08);
+ io->smb2.in.reserved = BVAL(req->in.body, 0x10);
+ io->smb2.in.desired_access = IVAL(req->in.body, 0x18);
+ io->smb2.in.file_attributes = 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_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));
diff --git a/source4/torture/smb2/connect.c b/source4/torture/smb2/connect.c
index f1bc63dbbb..0004ea958e 100644
--- a/source4/torture/smb2/connect.c
+++ b/source4/torture/smb2/connect.c
@@ -147,10 +147,10 @@ static struct smb2_handle torture_smb2_create(struct smb2_tree *tree,
TALLOC_CTX *tmp_ctx = talloc_new(tree);
ZERO_STRUCT(io);
- io.in.oplock_flags = 0;
- io.in.access_mask = SEC_RIGHTS_FILE_ALL;
- io.in.file_attr = FILE_ATTRIBUTE_NORMAL;
- io.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
+ io.in.oplock_level = 0;
+ io.in.desired_access = SEC_RIGHTS_FILE_ALL;
+ io.in.file_attributes = FILE_ATTRIBUTE_NORMAL;
+ io.in.create_disposition = NTCREATEX_DISP_OPEN_IF;
io.in.share_access =
NTCREATEX_SHARE_ACCESS_DELETE|
NTCREATEX_SHARE_ACCESS_READ|
@@ -166,7 +166,7 @@ static struct smb2_handle torture_smb2_create(struct smb2_tree *tree,
if (DEBUGLVL(1)) {
printf("Open gave:\n");
- printf("oplock_flags = 0x%x\n", io.out.oplock_flags);
+ printf("oplock_flags = 0x%x\n", io.out.oplock_level);
printf("create_action = 0x%x\n", io.out.create_action);
printf("create_time = %s\n", nt_time_string(tmp_ctx, io.out.create_time));
printf("access_time = %s\n", nt_time_string(tmp_ctx, io.out.access_time));
diff --git a/source4/torture/smb2/lock.c b/source4/torture/smb2/lock.c
index 98e412817b..3cf2e93ee0 100644
--- a/source4/torture/smb2/lock.c
+++ b/source4/torture/smb2/lock.c
@@ -238,10 +238,10 @@ static bool test_lock_read_write(struct torture_context *torture,
CHECK_VALUE(lck.out.unknown1, 0);
ZERO_STRUCT(cr);
- cr.in.oplock_flags = 0;
- cr.in.access_mask = SEC_RIGHTS_FILE_ALL;
- cr.in.file_attr = FILE_ATTRIBUTE_NORMAL;
- cr.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
+ cr.in.oplock_level = 0;
+ cr.in.desired_access = SEC_RIGHTS_FILE_ALL;
+ cr.in.file_attributes = FILE_ATTRIBUTE_NORMAL;
+ cr.in.create_disposition = NTCREATEX_DISP_OPEN_IF;
cr.in.share_access =
NTCREATEX_SHARE_ACCESS_DELETE|
NTCREATEX_SHARE_ACCESS_READ|
diff --git a/source4/torture/smb2/util.c b/source4/torture/smb2/util.c
index fe88296a32..219c2140d3 100644
--- a/source4/torture/smb2/util.c
+++ b/source4/torture/smb2/util.c
@@ -55,9 +55,9 @@ NTSTATUS smb2_util_unlink(struct smb2_tree *tree, const char *fname)
NTSTATUS status;
ZERO_STRUCT(io);
- io.in.access_mask = SEC_RIGHTS_FILE_ALL;
- io.in.file_attr = FILE_ATTRIBUTE_NORMAL;
- io.in.open_disposition = NTCREATEX_DISP_OPEN;
+ io.in.desired_access = SEC_RIGHTS_FILE_ALL;
+ io.in.file_attributes = FILE_ATTRIBUTE_NORMAL;
+ io.in.create_disposition = NTCREATEX_DISP_OPEN;
io.in.share_access =
NTCREATEX_SHARE_ACCESS_DELETE|
NTCREATEX_SHARE_ACCESS_READ|
@@ -107,9 +107,9 @@ static NTSTATUS smb2_create_complex(struct smb2_tree *tree, const char *fname,
smb2_util_unlink(tree, fname);
ZERO_STRUCT(io);
- io.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
- io.in.file_attr = FILE_ATTRIBUTE_NORMAL;
- io.in.open_disposition = NTCREATEX_DISP_OVERWRITE_IF;
+ io.in.desired_access = SEC_FLAG_MAXIMUM_ALLOWED;
+ io.in.file_attributes = FILE_ATTRIBUTE_NORMAL;
+ io.in.create_disposition = NTCREATEX_DISP_OVERWRITE_IF;
io.in.share_access =
NTCREATEX_SHARE_ACCESS_DELETE|
NTCREATEX_SHARE_ACCESS_READ|
@@ -119,8 +119,8 @@ static NTSTATUS smb2_create_complex(struct smb2_tree *tree, const char *fname,
if (dir) {
io.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
io.in.share_access &= ~NTCREATEX_SHARE_ACCESS_DELETE;
- io.in.file_attr = FILE_ATTRIBUTE_DIRECTORY;
- io.in.open_disposition = NTCREATEX_DISP_CREATE;
+ io.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY;
+ io.in.create_disposition = NTCREATEX_DISP_CREATE;
}
if (strchr(fname, ':') == NULL) {
@@ -334,10 +334,10 @@ NTSTATUS torture_smb2_testfile(struct smb2_tree *tree, const char *fname,
NTSTATUS status;
ZERO_STRUCT(io);
- io.in.oplock_flags = 0;
- io.in.access_mask = SEC_RIGHTS_FILE_ALL;
- io.in.file_attr = FILE_ATTRIBUTE_NORMAL;
- io.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
+ io.in.oplock_level = 0;
+ io.in.desired_access = SEC_RIGHTS_FILE_ALL;
+ io.in.file_attributes = FILE_ATTRIBUTE_NORMAL;
+ io.in.create_disposition = NTCREATEX_DISP_OPEN_IF;
io.in.share_access =
NTCREATEX_SHARE_ACCESS_DELETE|
NTCREATEX_SHARE_ACCESS_READ|
@@ -370,10 +370,10 @@ NTSTATUS torture_smb2_testdir(struct smb2_tree *tree, const char *fname,
NTSTATUS status;
ZERO_STRUCT(io);
- io.in.oplock_flags = 0;
- io.in.access_mask = SEC_RIGHTS_DIR_ALL;
- io.in.file_attr = FILE_ATTRIBUTE_DIRECTORY;
- io.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
+ io.in.oplock_level = 0;
+ io.in.desired_access = SEC_RIGHTS_DIR_ALL;
+ io.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY;
+ io.in.create_disposition = NTCREATEX_DISP_OPEN_IF;
io.in.share_access = NTCREATEX_SHARE_ACCESS_READ|NTCREATEX_SHARE_ACCESS_WRITE|NTCREATEX_SHARE_ACCESS_DELETE;
io.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
io.in.fname = fname;
@@ -422,10 +422,10 @@ NTSTATUS smb2_util_roothandle(struct smb2_tree *tree, struct smb2_handle *handle
NTSTATUS status;
ZERO_STRUCT(io);
- io.in.oplock_flags = 0;
- io.in.access_mask = SEC_STD_SYNCHRONIZE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_LIST;
- io.in.file_attr = 0;
- io.in.open_disposition = NTCREATEX_DISP_OPEN;
+ io.in.oplock_level = 0;
+ io.in.desired_access = SEC_STD_SYNCHRONIZE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_LIST;
+ io.in.file_attributes = 0;
+ io.in.create_disposition = NTCREATEX_DISP_OPEN;
io.in.share_access = NTCREATEX_SHARE_ACCESS_READ|NTCREATEX_SHARE_ACCESS_DELETE;
io.in.create_options = NTCREATEX_OPTIONS_ASYNC_ALERT;
io.in.fname = "";