--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ smb2 lib
+ Copyright (C) Volker Lendecke 2011
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "client.h"
+#include "async_smb.h"
+#include "smb2cli_base.h"
+#include "smb2cli.h"
+#include "libsmb/proto.h"
+#include "lib/util/tevent_ntstatus.h"
+#include "libcli/smb/smb2_create_blob.h"
+
+struct smb2cli_create_state {
+ uint8_t fixed[56];
+
+ uint8_t oplock_level;
+ uint32_t create_action;
+ struct timespec creation_time;
+ struct timespec last_access_time;
+ struct timespec last_write_time;
+ struct timespec change_time;
+ uint64_t allocation_size;
+ uint64_t end_of_file;
+ uint32_t file_attributes;
+ uint64_t fid_persistent;
+ uint64_t fid_volatile;
+ struct smb2_create_blobs blobs;
+};
+
+static void smb2cli_create_done(struct tevent_req *subreq);
+
+struct tevent_req *smb2cli_create_send(
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct cli_state *cli,
+ const char *filename,
+ uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */
+ uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */
+ uint32_t desired_access,
+ uint32_t file_attributes,
+ uint32_t share_access,
+ uint32_t create_disposition,
+ uint32_t create_options,
+ struct smb2_create_blobs *blobs)
+{
+ struct tevent_req *req, *subreq;
+ struct smb2cli_create_state *state;
+ uint8_t *fixed;
+ uint8_t *name_utf16;
+ size_t name_utf16_len;
+ DATA_BLOB blob;
+ NTSTATUS status;
+ size_t blobs_offset;
+ uint8_t *dyn;
+ size_t dyn_len;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct smb2cli_create_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ if (!convert_string_talloc(state, CH_UNIX, CH_UTF16,
+ filename, strlen(filename)+1,
+ &name_utf16, &name_utf16_len)) {
+ tevent_req_nomem(NULL, req);
+ return tevent_req_post(req, ev);
+ }
+
+ fixed = state->fixed;
+
+ SSVAL(fixed, 0, 57);
+ SCVAL(fixed, 3, oplock_level);
+ SIVAL(fixed, 4, impersonation_level);
+ SIVAL(fixed, 24, desired_access);
+ SIVAL(fixed, 28, file_attributes);
+ SIVAL(fixed, 32, share_access);
+ SIVAL(fixed, 36, create_disposition);
+ SIVAL(fixed, 40, create_options);
+
+ SSVAL(fixed, 44, SMB2_HDR_BODY + 56);
+ SSVAL(fixed, 46, name_utf16_len);
+
+ blob = data_blob_null;
+
+ if (blobs != NULL) {
+ status = smb2_create_blob_push(talloc_tos(), &blob, *blobs);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ blobs_offset = name_utf16_len;
+ blobs_offset = ((blobs_offset + 3) & ~3);
+
+ SIVAL(fixed, 48, blobs_offset + SMB2_HDR_BODY + 56);
+ SIVAL(fixed, 52, blob.length);
+
+ dyn_len = blobs_offset + blob.length;
+ dyn = talloc_zero_array(state, uint8_t, dyn_len);
+ if (tevent_req_nomem(dyn, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ memcpy(dyn, name_utf16, name_utf16_len);
+ TALLOC_FREE(name_utf16);
+
+ if (blob.data != NULL) {
+ memcpy(dyn + blobs_offset - (SMB2_HDR_BODY + 56),
+ blob.data, blob.length);
+ data_blob_free(&blob);
+ }
+
+ subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_CREATE, 0,
+ state->fixed, sizeof(state->fixed),
+ dyn, dyn_len);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, smb2cli_create_done, req);
+ return req;
+}
+
+static void smb2cli_create_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq,
+ struct tevent_req);
+ struct smb2cli_create_state *state =
+ tevent_req_data(req,
+ struct smb2cli_create_state);
+ NTSTATUS status;
+ struct iovec *iov;
+ uint8_t *body;
+ uint32_t offset, length;
+
+ status = smb2cli_req_recv(subreq, talloc_tos(), &iov, 89);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ body = (uint8_t *)iov[1].iov_base;
+
+ state->oplock_level = CVAL(body, 2);
+ state->create_action = IVAL(body, 4);
+ state->creation_time = interpret_long_date((char *)body + 8);
+ state->last_access_time = interpret_long_date((char *)body + 16);
+ state->last_write_time = interpret_long_date((char *)body + 24);
+ state->change_time = interpret_long_date((char *)body + 32);
+ state->allocation_size = BVAL(body, 40);
+ state->end_of_file = BVAL(body, 48);
+ state->file_attributes = IVAL(body, 56);
+ state->fid_persistent = BVAL(body, 64);
+ state->fid_volatile = BVAL(body, 72);
+
+ offset = IVAL(body, 80);
+ length = IVAL(body, 84);
+
+ if ((offset != 0) && (length != 0)) {
+ if ((offset != SMB2_HDR_BODY + 88) ||
+ (length > iov[2].iov_len)) {
+ tevent_req_nterror(
+ req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+ status = smb2_create_blob_parse(
+ state, data_blob_const(iov[2].iov_base, length),
+ &state->blobs);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ }
+ tevent_req_done(req);
+}
+
+NTSTATUS smb2cli_create_recv(struct tevent_req *req,
+ uint64_t *fid_persistent,
+ uint64_t *fid_volatile)
+{
+ struct smb2cli_create_state *state =
+ tevent_req_data(req,
+ struct smb2cli_create_state);
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+ *fid_persistent = state->fid_persistent;
+ *fid_volatile = state->fid_volatile;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS smb2cli_create(struct cli_state *cli,
+ const char *filename,
+ uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */
+ uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */
+ uint32_t desired_access,
+ uint32_t file_attributes,
+ uint32_t share_access,
+ uint32_t create_disposition,
+ uint32_t create_options,
+ struct smb2_create_blobs *blobs,
+ uint64_t *fid_persistent,
+ uint64_t *fid_volatile)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct event_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_NO_MEMORY;
+
+ if (cli_has_async_calls(cli)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ goto fail;
+ }
+ req = smb2cli_create_send(frame, ev, cli, filename, oplock_level,
+ impersonation_level, desired_access,
+ file_attributes, share_access,
+ create_disposition, create_options,
+ blobs);
+ if (req == NULL) {
+ goto fail;
+ }
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+ status = smb2cli_create_recv(req, fid_persistent, fid_volatile);
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
git.samba.org / amitay / samba.git / commitdiff