#include "libcli/raw/raw_proto.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
-
-/*
- add a blob to a smb2_create attribute blob
-*/
-NTSTATUS smb2_create_blob_add(TALLOC_CTX *mem_ctx, DATA_BLOB *blob,
- const char *tag,
- DATA_BLOB add, bool last)
-{
- uint32_t ofs = blob->length;
- 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, 0x14 + tag_length + add.length + pad);
- }
- SSVAL(blob->data, ofs+0x04, 0x10); /* offset of tag */
- 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);
- 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;
-}
+#include "librpc/gen_ndr/ndr_security.h"
/*
send a create request
{
struct smb2_request *req;
NTSTATUS status;
- DATA_BLOB blob = data_blob(NULL, 0);
+ DATA_BLOB blob;
+ struct smb2_create_blobs blobs;
+ int i;
+
+ ZERO_STRUCT(blobs);
req = smb2_request_init_tree(tree, SMB2_OP_CREATE, 0x38, true, 0);
if (req == NULL) return NULL;
return NULL;
}
+ /* now add all the optional blobs */
if (io->in.eas.num_eas != 0) {
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, SMB2_CREATE_TAG_EXTA, b, false);
+ ea_list_size_chained(io->in.eas.num_eas, io->in.eas.eas, 4));
+ ea_put_list_chained(b.data, io->in.eas.num_eas, io->in.eas.eas, 4);
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_EXTA, b);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(req);
return NULL;
/* 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, SMB2_CREATE_TAG_MXAC,
- data_blob(NULL, 0), true);
+ if (io->in.query_maximal_access) {
+ /* TODO: MS-SMB2 2.2.13.2.5 says this can contain a timestamp? What to do
+ with that if it doesn't match? */
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_MXAC, data_blob(NULL, 0));
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ if (io->in.alloc_size != 0) {
+ uint8_t data[8];
+ SBVAL(data, 0, io->in.alloc_size);
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_ALSI, data_blob_const(data, 8));
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ if (io->in.durable_open) {
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_DHNQ, data_blob_talloc_zero(req, 16));
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ if (io->in.durable_handle) {
+ uint8_t data[16];
+ smb2_push_handle(data, io->in.durable_handle);
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_DHNC, data_blob_const(data, 16));
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ if (io->in.timewarp) {
+ uint8_t data[8];
+ SBVAL(data, 0, io->in.timewarp);
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_TWRP, data_blob_const(data, 8));
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ if (io->in.sec_desc) {
+ enum ndr_err_code ndr_err;
+ DATA_BLOB sd_blob;
+ ndr_err = ndr_push_struct_blob(&sd_blob, req, io->in.sec_desc,
+ (ndr_push_flags_fn_t)ndr_push_security_descriptor);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(req);
+ return NULL;
+ }
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_SECD, sd_blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ if (io->in.query_on_disk_id) {
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_QFID, data_blob(NULL, 0));
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ if (io->in.lease_request) {
+ uint8_t data[32];
+
+ memcpy(&data[0], &io->in.lease_request->lease_key, 16);
+ SIVAL(data, 16, io->in.lease_request->lease_state);
+ SIVAL(data, 20, io->in.lease_request->lease_flags);
+ SBVAL(data, 24, io->in.lease_request->lease_duration);
+
+ status = smb2_create_blob_add(req, &blobs,
+ SMB2_CREATE_TAG_RQLS,
+ data_blob_const(data, 32));
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ /* and any custom blobs */
+ for (i=0;i<io->in.blobs.num_blobs;i++) {
+ status = smb2_create_blob_add(req, &blobs,
+ io->in.blobs.blobs[i].tag,
+ io->in.blobs.blobs[i].data);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(req);
+ return NULL;
+ }
+ }
+
+ status = smb2_create_blob_push(req, &blob, blobs);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(req);
return NULL;
}
+
status = smb2_push_o32s32_blob(&req->out, 0x30, blob);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(req);
return NULL;
}
+ data_blob_free(&blob);
+
smb2_transport_send(req);
return req;
NTSTATUS smb2_create_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, struct smb2_create *io)
{
NTSTATUS status;
+ DATA_BLOB blob;
+ int i;
if (!smb2_request_receive(req) ||
!smb2_request_is_ok(req)) {
}
SMB2_CHECK_PACKET_RECV(req, 0x58, true);
-
+ ZERO_STRUCT(io->out);
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.file_attr = IVAL(req->in.body, 0x38);
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);
+ status = smb2_pull_o32s32_blob(&req->in, mem_ctx, req->in.body+0x50, &blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ smb2_request_destroy(req);
+ return status;
+ }
+
+ status = smb2_create_blob_parse(mem_ctx, blob, &io->out.blobs);
if (!NT_STATUS_IS_OK(status)) {
smb2_request_destroy(req);
return status;
}
+ /* pull out the parsed blobs */
+ for (i=0;i<io->out.blobs.num_blobs;i++) {
+ if (strcmp(io->out.blobs.blobs[i].tag, SMB2_CREATE_TAG_MXAC) == 0) {
+ /* TODO: this also contains a status field in
+ first 4 bytes */
+ if (io->out.blobs.blobs[i].data.length != 8) {
+ smb2_request_destroy(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ io->out.maximal_access = IVAL(io->out.blobs.blobs[i].data.data, 4);
+ }
+ if (strcmp(io->out.blobs.blobs[i].tag, SMB2_CREATE_TAG_QFID) == 0) {
+ if (io->out.blobs.blobs[i].data.length != 32) {
+ smb2_request_destroy(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ memcpy(io->out.on_disk_id, io->out.blobs.blobs[i].data.data, 32);
+ }
+ if (strcmp(io->out.blobs.blobs[i].tag, SMB2_CREATE_TAG_RQLS) == 0) {
+ uint8_t *data;
+ if (io->out.blobs.blobs[i].data.length != 32) {
+ smb2_request_destroy(req);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ data = io->out.blobs.blobs[i].data.data;
+ memcpy(&io->out.lease_response.lease_key, data, 16);
+ io->out.lease_response.lease_state = IVAL(data, 16);
+ io->out.lease_response.lease_flags = IVAL(data, 20);
+ io->out.lease_response.lease_duration = BVAL(data, 24);
+ }
+ }
+
+ data_blob_free(&blob);
+
return smb2_request_destroy(req);
}
git.samba.org / bbaumbach / samba-autobuild / .git / blobdiff