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authorDavid Disseldorp <ddiss@suse.de>2013-01-15 17:22:57 +0100
committerJeremy Allison <jra@samba.org>2013-01-16 23:15:06 +0100
commit14bd6c8b0954ad58ac4e3e157835594c26bfa97a (patch)
tree77c02b03dc0460cab603b71a1ba339560369f681 /source3/smbd/smb2_ioctl_network_fs.c
parent958b21c28dacad38cd64e79ca7d77cd8acc20dd0 (diff)
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smb2_ioctl: split ioctl handler code on device type
Add per device type ioctl handler source files for FSCTL_DFS, FSCTL_FILESYSTEM, FSCTL_NAMED_PIPE and FSCTL_NETWORK_FILESYSTEM. Reviewed by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'source3/smbd/smb2_ioctl_network_fs.c')
-rw-r--r--source3/smbd/smb2_ioctl_network_fs.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/source3/smbd/smb2_ioctl_network_fs.c b/source3/smbd/smb2_ioctl_network_fs.c
new file mode 100644
index 0000000000..bfc39e3bd5
--- /dev/null
+++ b/source3/smbd/smb2_ioctl_network_fs.c
@@ -0,0 +1,173 @@
+/*
+ Unix SMB/CIFS implementation.
+ Core SMB2 server
+
+ Copyright (C) Stefan Metzmacher 2009
+
+ 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 "smbd/smbd.h"
+#include "smbd/globals.h"
+#include "../libcli/smb/smb_common.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "include/ntioctl.h"
+#include "../librpc/ndr/libndr.h"
+#include "smb2_ioctl_private.h"
+
+static NTSTATUS fsctl_validate_neg_info(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbXsrv_connection *conn,
+ DATA_BLOB *in_input,
+ uint32_t in_max_output,
+ DATA_BLOB *out_output,
+ bool *disconnect)
+{
+ uint32_t in_capabilities;
+ DATA_BLOB in_guid_blob;
+ struct GUID in_guid;
+ uint16_t in_security_mode;
+ uint16_t in_num_dialects;
+ uint16_t i;
+ DATA_BLOB out_guid_blob;
+ NTSTATUS status;
+
+ if (in_input->length < 0x18) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ in_capabilities = IVAL(in_input->data, 0x00);
+ in_guid_blob = data_blob_const(in_input->data + 0x04, 16);
+ in_security_mode = SVAL(in_input->data, 0x14);
+ in_num_dialects = SVAL(in_input->data, 0x16);
+
+ if (in_input->length < (0x18 + in_num_dialects*2)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (in_max_output < 0x18) {
+ return NT_STATUS_BUFFER_TOO_SMALL;
+ }
+
+ status = GUID_from_ndr_blob(&in_guid_blob, &in_guid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (in_num_dialects != conn->smb2.client.num_dialects) {
+ *disconnect = true;
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ for (i=0; i < in_num_dialects; i++) {
+ uint16_t v = SVAL(in_input->data, 0x18 + i*2);
+
+ if (conn->smb2.client.dialects[i] != v) {
+ *disconnect = true;
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ }
+
+ if (GUID_compare(&in_guid, &conn->smb2.client.guid) != 0) {
+ *disconnect = true;
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ if (in_security_mode != conn->smb2.client.security_mode) {
+ *disconnect = true;
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ if (in_capabilities != conn->smb2.client.capabilities) {
+ *disconnect = true;
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ status = GUID_to_ndr_blob(&conn->smb2.server.guid, mem_ctx,
+ &out_guid_blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ *out_output = data_blob_talloc(mem_ctx, NULL, 0x18);
+ if (out_output->data == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ SIVAL(out_output->data, 0x00, conn->smb2.server.capabilities);
+ memcpy(out_output->data+0x04, out_guid_blob.data, 16);
+ SIVAL(out_output->data, 0x14, conn->smb2.server.security_mode);
+ SIVAL(out_output->data, 0x16, conn->smb2.server.dialect);
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS smb2_ioctl_network_fs(uint32_t ctl_code,
+ struct tevent_context *ev,
+ struct tevent_req *req,
+ struct smbd_smb2_ioctl_state *state)
+{
+ NTSTATUS status;
+
+ switch (ctl_code) {
+ case FSCTL_VALIDATE_NEGOTIATE_INFO:
+ {
+ status = fsctl_validate_neg_info(state, ev,
+ state->smbreq->sconn->conn,
+ &state->in_input,
+ state->in_max_output,
+ &state->out_output,
+ &state->disconnect);
+ if (!tevent_req_nterror(req, status)) {
+ tevent_req_done(req);
+ }
+ return tevent_req_post(req, ev);
+ }
+ default: {
+ uint8_t *out_data = NULL;
+ uint32_t out_data_len = 0;
+
+ status = SMB_VFS_FSCTL(state->fsp,
+ state,
+ ctl_code,
+ state->smbreq->flags2,
+ state->in_input.data,
+ state->in_input.length,
+ &out_data,
+ state->in_max_output,
+ &out_data_len);
+ state->out_output = data_blob_const(out_data, out_data_len);
+ if (NT_STATUS_IS_OK(status)) {
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
+ }
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED)) {
+ if (IS_IPC(state->smbreq->conn)) {
+ status = NT_STATUS_FS_DRIVER_REQUIRED;
+ } else {
+ status = NT_STATUS_INVALID_DEVICE_REQUEST;
+ }
+ }
+
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ break;
+ }
+ }
+
+ tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
+ return tevent_req_post(req, ev);
+}