--- /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 "system/network.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "../libcli/smb/smb_common.h"
+#include "../libcli/smb/smbXcli_base.h"
+
+struct smb2cli_session_setup_state {
+ struct smbXcli_session *session;
+ uint8_t fixed[24];
+ uint8_t dyn_pad[1];
+ struct iovec *recv_iov;
+ DATA_BLOB out_security_buffer;
+ NTSTATUS status;
+};
+
+static void smb2cli_session_setup_done(struct tevent_req *subreq);
+
+struct tevent_req *smb2cli_session_setup_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbXcli_conn *conn,
+ uint32_t timeout_msec,
+ struct smbXcli_session *session,
+ uint8_t in_flags,
+ uint32_t in_capabilities,
+ uint32_t in_channel,
+ uint64_t in_previous_session_id,
+ const DATA_BLOB *in_security_buffer)
+{
+ struct tevent_req *req, *subreq;
+ struct smb2cli_session_setup_state *state;
+ uint8_t *buf;
+ uint8_t *dyn;
+ size_t dyn_len;
+ uint8_t security_mode;
+ uint16_t security_buffer_offset = 0;
+ uint16_t security_buffer_length = 0;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct smb2cli_session_setup_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ if (session == NULL) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
+ return tevent_req_post(req, ev);
+ }
+ state->session = session;
+ security_mode = smb2cli_session_security_mode(session);
+
+ if (in_security_buffer) {
+ if (in_security_buffer->length > UINT16_MAX) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
+ return tevent_req_post(req, ev);
+ }
+ security_buffer_offset = SMB2_HDR_BODY + 24;
+ security_buffer_length = in_security_buffer->length;
+ }
+
+ buf = state->fixed;
+
+ SSVAL(buf, 0, 25);
+ SCVAL(buf, 2, in_flags);
+ SCVAL(buf, 3, security_mode);
+ SIVAL(buf, 4, in_capabilities);
+ SIVAL(buf, 8, in_channel);
+ SSVAL(buf, 12, security_buffer_offset);
+ SSVAL(buf, 14, security_buffer_length);
+ SBVAL(buf, 16, in_previous_session_id);
+
+ if (security_buffer_length > 0) {
+ dyn = in_security_buffer->data;
+ dyn_len = in_security_buffer->length;
+ } else {
+ dyn = state->dyn_pad;;
+ dyn_len = sizeof(state->dyn_pad);
+ }
+
+ subreq = smb2cli_req_send(state, ev,
+ conn, SMB2_OP_SESSSETUP,
+ 0, 0, /* flags */
+ timeout_msec,
+ 0xFEFF,
+ 0, /* tid */
+ session,
+ 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_session_setup_done, req);
+ return req;
+}
+
+static void smb2cli_session_setup_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq,
+ struct tevent_req);
+ struct smb2cli_session_setup_state *state =
+ tevent_req_data(req,
+ struct smb2cli_session_setup_state);
+ NTSTATUS status;
+ uint64_t current_session_id;
+ uint64_t session_id;
+ uint16_t session_flags;
+ uint16_t expected_offset = 0;
+ uint16_t security_buffer_offset;
+ uint16_t security_buffer_length;
+ uint8_t *security_buffer_data = NULL;
+ const uint8_t *hdr;
+ const uint8_t *body;
+ static const struct smb2cli_req_expected_response expected[] = {
+ {
+ .status = NT_STATUS_MORE_PROCESSING_REQUIRED,
+ .body_size = 0x09
+ },
+ {
+ .status = NT_STATUS_OK,
+ .body_size = 0x09
+ }
+ };
+
+ status = smb2cli_req_recv(subreq, state, &state->recv_iov,
+ expected, ARRAY_SIZE(expected));
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status) &&
+ !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ tevent_req_nterror(req, status);
+ return;
+ }
+
+ hdr = (const uint8_t *)state->recv_iov[0].iov_base;
+ body = (const uint8_t *)state->recv_iov[1].iov_base;
+
+ session_id = BVAL(hdr, SMB2_HDR_SESSION_ID);
+ session_flags = SVAL(body, 2);
+
+ security_buffer_offset = SVAL(body, 4);
+ security_buffer_length = SVAL(body, 6);
+
+ if (security_buffer_length > 0) {
+ expected_offset = SMB2_HDR_BODY + 8;
+ }
+ if (security_buffer_offset != 0) {
+ security_buffer_data = (uint8_t *)state->recv_iov[2].iov_base;
+ expected_offset = SMB2_HDR_BODY + 8;
+ }
+
+ if (security_buffer_offset != expected_offset) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+ if (security_buffer_length > state->recv_iov[2].iov_len) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+
+ state->out_security_buffer.data = security_buffer_data;
+ state->out_security_buffer.length = security_buffer_length;
+
+ current_session_id = smb2cli_session_current_id(state->session);
+ if (current_session_id == 0) {
+ /* A new session was requested */
+ current_session_id = session_id;
+ }
+
+ if (current_session_id != session_id) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+
+ smb2cli_session_set_id_and_flags(state->session,
+ session_id, session_flags);
+
+ state->status = status;
+ tevent_req_done(req);
+}
+
+NTSTATUS smb2cli_session_setup_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ struct iovec **recv_iov,
+ DATA_BLOB *out_security_buffer)
+{
+ struct smb2cli_session_setup_state *state =
+ tevent_req_data(req,
+ struct smb2cli_session_setup_state);
+ NTSTATUS status;
+ struct iovec *_tmp;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
+ return status;
+ }
+
+ if (recv_iov == NULL) {
+ recv_iov = &_tmp;
+ }
+
+ *recv_iov = talloc_move(mem_ctx, &state->recv_iov);
+
+ *out_security_buffer = state->out_security_buffer;
+
+ /*
+ * Return the status from the server:
+ * NT_STATUS_MORE_PROCESSING_REQUIRED or
+ * NT_STATUS_OK.
+ */
+ status = state->status;
+ tevent_req_received(req);
+ return status;
+}
+
+
#include "../libcli/auth/spnego.h"
#include "../auth/ntlmssp/ntlmssp.h"
-struct smb2cli_session_setup_state {
- struct smbXcli_session *session;
- uint8_t fixed[24];
- uint8_t dyn_pad[1];
- struct iovec *recv_iov;
- DATA_BLOB out_security_buffer;
- NTSTATUS status;
-};
-
-static void smb2cli_session_setup_done(struct tevent_req *subreq);
-
-struct tevent_req *smb2cli_session_setup_send(TALLOC_CTX *mem_ctx,
- struct tevent_context *ev,
- struct smbXcli_conn *conn,
- uint32_t timeout_msec,
- struct smbXcli_session *session,
- uint8_t in_flags,
- uint32_t in_capabilities,
- uint32_t in_channel,
- uint64_t in_previous_session_id,
- const DATA_BLOB *in_security_buffer)
-{
- struct tevent_req *req, *subreq;
- struct smb2cli_session_setup_state *state;
- uint8_t *buf;
- uint8_t *dyn;
- size_t dyn_len;
- uint8_t security_mode;
- uint16_t security_buffer_offset = 0;
- uint16_t security_buffer_length = 0;
-
- req = tevent_req_create(mem_ctx, &state,
- struct smb2cli_session_setup_state);
- if (req == NULL) {
- return NULL;
- }
-
- if (session == NULL) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
- return tevent_req_post(req, ev);
- }
- state->session = session;
- security_mode = smb2cli_session_security_mode(session);
-
- if (in_security_buffer) {
- if (in_security_buffer->length > UINT16_MAX) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
- return tevent_req_post(req, ev);
- }
- security_buffer_offset = SMB2_HDR_BODY + 24;
- security_buffer_length = in_security_buffer->length;
- }
-
- buf = state->fixed;
-
- SSVAL(buf, 0, 25);
- SCVAL(buf, 2, in_flags);
- SCVAL(buf, 3, security_mode);
- SIVAL(buf, 4, in_capabilities);
- SIVAL(buf, 8, in_channel);
- SSVAL(buf, 12, security_buffer_offset);
- SSVAL(buf, 14, security_buffer_length);
- SBVAL(buf, 16, in_previous_session_id);
-
- if (security_buffer_length > 0) {
- dyn = in_security_buffer->data;
- dyn_len = in_security_buffer->length;
- } else {
- dyn = state->dyn_pad;;
- dyn_len = sizeof(state->dyn_pad);
- }
-
- subreq = smb2cli_req_send(state, ev,
- conn, SMB2_OP_SESSSETUP,
- 0, 0, /* flags */
- timeout_msec,
- 0xFEFF,
- 0, /* tid */
- session,
- 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_session_setup_done, req);
- return req;
-}
-
-static void smb2cli_session_setup_done(struct tevent_req *subreq)
-{
- struct tevent_req *req =
- tevent_req_callback_data(subreq,
- struct tevent_req);
- struct smb2cli_session_setup_state *state =
- tevent_req_data(req,
- struct smb2cli_session_setup_state);
- NTSTATUS status;
- uint64_t current_session_id;
- uint64_t session_id;
- uint16_t session_flags;
- uint16_t expected_offset = 0;
- uint16_t security_buffer_offset;
- uint16_t security_buffer_length;
- uint8_t *security_buffer_data = NULL;
- const uint8_t *hdr;
- const uint8_t *body;
- static const struct smb2cli_req_expected_response expected[] = {
- {
- .status = NT_STATUS_MORE_PROCESSING_REQUIRED,
- .body_size = 0x09
- },
- {
- .status = NT_STATUS_OK,
- .body_size = 0x09
- }
- };
-
- status = smb2cli_req_recv(subreq, state, &state->recv_iov,
- expected, ARRAY_SIZE(expected));
- TALLOC_FREE(subreq);
- if (!NT_STATUS_IS_OK(status) &&
- !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- tevent_req_nterror(req, status);
- return;
- }
-
- hdr = (const uint8_t *)state->recv_iov[0].iov_base;
- body = (const uint8_t *)state->recv_iov[1].iov_base;
-
- session_id = BVAL(hdr, SMB2_HDR_SESSION_ID);
- session_flags = SVAL(body, 2);
-
- security_buffer_offset = SVAL(body, 4);
- security_buffer_length = SVAL(body, 6);
-
- if (security_buffer_length > 0) {
- expected_offset = SMB2_HDR_BODY + 8;
- }
- if (security_buffer_offset != 0) {
- security_buffer_data = (uint8_t *)state->recv_iov[2].iov_base;
- expected_offset = SMB2_HDR_BODY + 8;
- }
-
- if (security_buffer_offset != expected_offset) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
- if (security_buffer_length > state->recv_iov[2].iov_len) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- state->out_security_buffer.data = security_buffer_data;
- state->out_security_buffer.length = security_buffer_length;
-
- current_session_id = smb2cli_session_current_id(state->session);
- if (current_session_id == 0) {
- /* A new session was requested */
- current_session_id = session_id;
- }
-
- if (current_session_id != session_id) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- smb2cli_session_set_id_and_flags(state->session,
- session_id, session_flags);
-
- state->status = status;
- tevent_req_done(req);
-}
-
-NTSTATUS smb2cli_session_setup_recv(struct tevent_req *req,
- TALLOC_CTX *mem_ctx,
- struct iovec **recv_iov,
- DATA_BLOB *out_security_buffer)
-{
- struct smb2cli_session_setup_state *state =
- tevent_req_data(req,
- struct smb2cli_session_setup_state);
- NTSTATUS status;
- struct iovec *_tmp;
-
- if (tevent_req_is_nterror(req, &status)) {
- tevent_req_received(req);
- return status;
- }
-
- if (recv_iov == NULL) {
- recv_iov = &_tmp;
- }
-
- *recv_iov = talloc_move(mem_ctx, &state->recv_iov);
-
- *out_security_buffer = state->out_security_buffer;
-
- /*
- * Return the status from the server:
- * NT_STATUS_MORE_PROCESSING_REQUIRED or
- * NT_STATUS_OK.
- */
- status = state->status;
- tevent_req_received(req);
- return status;
-}
-
struct smb2cli_logoff_state {
struct cli_state *cli;
uint8_t fixed[4];
git.samba.org / ambi / samba-autobuild / .git / commitdiff