s3:smb2_ioctl: implement FSCTL_VALIDATE_NEGOTIATE_INFO

metze

Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Sat May 12 02:50:42 CEST 2012 on sn-devel-104

diff --git a/source3/smbd/smb2_ioctl.c b/source3/smbd/smb2_ioctl.c
index f1ad8ab16db57d2811603778b5dca0d18cf1801a..b1a9e32f368c244c433e57ad07c8510e92191f1b 100644 (file)
--- a/source3/smbd/smb2_ioctl.c
+++ b/source3/smbd/smb2_ioctl.c
@@ -462,6 +462,92 @@ static struct tevent_req *smbd_smb2_ioctl_send(TALLOC_CTX *mem_ctx,
                return tevent_req_post(req, ev);
        }
 
+       case FSCTL_VALIDATE_NEGOTIATE_INFO:
+       {
+               struct smbXsrv_connection *conn = smbreq->sconn->conn;
+               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) {
+                       tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+                       return tevent_req_post(req, ev);
+               }
+
+               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)) {
+                       tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+                       return tevent_req_post(req, ev);
+               }
+
+               if (in_max_output < 0x18) {
+                       tevent_req_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
+                       return tevent_req_post(req, ev);
+               }
+
+               if (in_num_dialects != conn->smb2.client.num_dialects) {
+                       state->disconnect = true;
+                       tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+                       return tevent_req_post(req, ev);
+               }
+
+               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) {
+                               state->disconnect = true;
+                               tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+                               return tevent_req_post(req, ev);
+                       }
+               }
+
+               if (!GUID_compare(&in_guid, &conn->smb2.client.guid)) {
+                       state->disconnect = true;
+                       tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+                       return tevent_req_post(req, ev);
+               }
+
+               if (in_security_mode != conn->smb2.client.security_mode) {
+                       state->disconnect = true;
+                       tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+                       return tevent_req_post(req, ev);
+               }
+
+               if (in_capabilities != conn->smb2.client.capabilities) {
+                       state->disconnect = true;
+                       tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+                       return tevent_req_post(req, ev);
+               }
+
+               status = GUID_to_ndr_blob(&conn->smb2.server.guid, state,
+                                         &out_guid_blob);
+               if (tevent_req_nterror(req, status)) {
+                       return tevent_req_post(req, ev);
+               }
+
+               state->out_output = data_blob_talloc(state, NULL, 0x18);
+               if (tevent_req_nomem(state->out_output.data, req)) {
+                       return tevent_req_post(req, ev);
+               }
+
+               SIVAL(state->out_output.data, 0x00, conn->smb2.server.capabilities);
+               memcpy(state->out_output.data+0x04, out_guid_blob.data, 16);
+               SIVAL(state->out_output.data, 0x14, conn->smb2.server.security_mode);
+               SIVAL(state->out_output.data, 0x16, conn->smb2.server.dialect);
+
+               tevent_req_done(req);
+               return tevent_req_post(req, ev);
+       }
+
        default: {
                uint8_t *out_data = NULL;
                uint32_t out_data_len = 0;