Milestone 5: deliver embedded RDP sessions and lifecycle hardening
This commit is contained in:
Keith Smith
689
third_party/FreeRDP/libfreerdp/utils/rdpdr_utils.c
vendored
Normal file
689
third_party/FreeRDP/libfreerdp/utils/rdpdr_utils.c
vendored
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@@ -0,0 +1,689 @@
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/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* SCard utility functions
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*
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* Copyright 2021 Armin Novak <armin.novak@thincast.com>
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* Copyright 2021 Thincast Technologies GmbH
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <winpr/wlog.h>
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#include <winpr/print.h>
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#include <winpr/smartcard.h>
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#include <freerdp/utils/rdpdr_utils.h>
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#include <freerdp/channels/scard.h>
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#include <freerdp/channels/rdpdr.h>
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#include <freerdp/log.h>
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LONG scard_log_status_error(const char* tag, const char* what, LONG status)
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{
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wLog* log = WLog_Get(tag);
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return scard_log_status_error_wlog(log, what, status);
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}
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LONG scard_log_status_error_wlog(wLog* log, const char* what, LONG status)
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{
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if (status != SCARD_S_SUCCESS)
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{
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DWORD level = WLOG_ERROR;
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switch (status)
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{
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case SCARD_E_TIMEOUT:
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level = WLOG_DEBUG;
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break;
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case SCARD_E_NO_READERS_AVAILABLE:
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level = WLOG_INFO;
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break;
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default:
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break;
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}
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WLog_Print(log, level, "%s failed with error %s [%" PRId32 "]", what,
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SCardGetErrorString(status), status);
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}
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return status;
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}
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const char* scard_get_ioctl_string(UINT32 ioControlCode, BOOL funcName)
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{
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switch (ioControlCode)
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{
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case SCARD_IOCTL_ESTABLISHCONTEXT:
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return funcName ? "SCardEstablishContext" : "SCARD_IOCTL_ESTABLISHCONTEXT";
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case SCARD_IOCTL_RELEASECONTEXT:
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return funcName ? "SCardReleaseContext" : "SCARD_IOCTL_RELEASECONTEXT";
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case SCARD_IOCTL_ISVALIDCONTEXT:
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return funcName ? "SCardIsValidContext" : "SCARD_IOCTL_ISVALIDCONTEXT";
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case SCARD_IOCTL_LISTREADERGROUPSA:
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return funcName ? "SCardListReaderGroupsA" : "SCARD_IOCTL_LISTREADERGROUPSA";
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case SCARD_IOCTL_LISTREADERGROUPSW:
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return funcName ? "SCardListReaderGroupsW" : "SCARD_IOCTL_LISTREADERGROUPSW";
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case SCARD_IOCTL_LISTREADERSA:
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return funcName ? "SCardListReadersA" : "SCARD_IOCTL_LISTREADERSA";
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case SCARD_IOCTL_LISTREADERSW:
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return funcName ? "SCardListReadersW" : "SCARD_IOCTL_LISTREADERSW";
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case SCARD_IOCTL_INTRODUCEREADERGROUPA:
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return funcName ? "SCardIntroduceReaderGroupA" : "SCARD_IOCTL_INTRODUCEREADERGROUPA";
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case SCARD_IOCTL_INTRODUCEREADERGROUPW:
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return funcName ? "SCardIntroduceReaderGroupW" : "SCARD_IOCTL_INTRODUCEREADERGROUPW";
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case SCARD_IOCTL_FORGETREADERGROUPA:
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return funcName ? "SCardForgetReaderGroupA" : "SCARD_IOCTL_FORGETREADERGROUPA";
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case SCARD_IOCTL_FORGETREADERGROUPW:
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return funcName ? "SCardForgetReaderGroupW" : "SCARD_IOCTL_FORGETREADERGROUPW";
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case SCARD_IOCTL_INTRODUCEREADERA:
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return funcName ? "SCardIntroduceReaderA" : "SCARD_IOCTL_INTRODUCEREADERA";
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case SCARD_IOCTL_INTRODUCEREADERW:
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return funcName ? "SCardIntroduceReaderW" : "SCARD_IOCTL_INTRODUCEREADERW";
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case SCARD_IOCTL_FORGETREADERA:
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return funcName ? "SCardForgetReaderA" : "SCARD_IOCTL_FORGETREADERA";
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case SCARD_IOCTL_FORGETREADERW:
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return funcName ? "SCardForgetReaderW" : "SCARD_IOCTL_FORGETREADERW";
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case SCARD_IOCTL_ADDREADERTOGROUPA:
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return funcName ? "SCardAddReaderToGroupA" : "SCARD_IOCTL_ADDREADERTOGROUPA";
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case SCARD_IOCTL_ADDREADERTOGROUPW:
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return funcName ? "SCardAddReaderToGroupW" : "SCARD_IOCTL_ADDREADERTOGROUPW";
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case SCARD_IOCTL_REMOVEREADERFROMGROUPA:
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return funcName ? "SCardRemoveReaderFromGroupA" : "SCARD_IOCTL_REMOVEREADERFROMGROUPA";
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case SCARD_IOCTL_REMOVEREADERFROMGROUPW:
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return funcName ? "SCardRemoveReaderFromGroupW" : "SCARD_IOCTL_REMOVEREADERFROMGROUPW";
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case SCARD_IOCTL_LOCATECARDSA:
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return funcName ? "SCardLocateCardsA" : "SCARD_IOCTL_LOCATECARDSA";
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case SCARD_IOCTL_LOCATECARDSW:
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return funcName ? "SCardLocateCardsW" : "SCARD_IOCTL_LOCATECARDSW";
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case SCARD_IOCTL_GETSTATUSCHANGEA:
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return funcName ? "SCardGetStatusChangeA" : "SCARD_IOCTL_GETSTATUSCHANGEA";
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case SCARD_IOCTL_GETSTATUSCHANGEW:
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return funcName ? "SCardGetStatusChangeW" : "SCARD_IOCTL_GETSTATUSCHANGEW";
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case SCARD_IOCTL_CANCEL:
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return funcName ? "SCardCancel" : "SCARD_IOCTL_CANCEL";
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case SCARD_IOCTL_CONNECTA:
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return funcName ? "SCardConnectA" : "SCARD_IOCTL_CONNECTA";
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case SCARD_IOCTL_CONNECTW:
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return funcName ? "SCardConnectW" : "SCARD_IOCTL_CONNECTW";
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case SCARD_IOCTL_RECONNECT:
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return funcName ? "SCardReconnect" : "SCARD_IOCTL_RECONNECT";
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case SCARD_IOCTL_DISCONNECT:
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return funcName ? "SCardDisconnect" : "SCARD_IOCTL_DISCONNECT";
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case SCARD_IOCTL_BEGINTRANSACTION:
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return funcName ? "SCardBeginTransaction" : "SCARD_IOCTL_BEGINTRANSACTION";
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case SCARD_IOCTL_ENDTRANSACTION:
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return funcName ? "SCardEndTransaction" : "SCARD_IOCTL_ENDTRANSACTION";
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case SCARD_IOCTL_STATE:
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return funcName ? "SCardState" : "SCARD_IOCTL_STATE";
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case SCARD_IOCTL_STATUSA:
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return funcName ? "SCardStatusA" : "SCARD_IOCTL_STATUSA";
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case SCARD_IOCTL_STATUSW:
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return funcName ? "SCardStatusW" : "SCARD_IOCTL_STATUSW";
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case SCARD_IOCTL_TRANSMIT:
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return funcName ? "SCardTransmit" : "SCARD_IOCTL_TRANSMIT";
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case SCARD_IOCTL_CONTROL:
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return funcName ? "SCardControl" : "SCARD_IOCTL_CONTROL";
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case SCARD_IOCTL_GETATTRIB:
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return funcName ? "SCardGetAttrib" : "SCARD_IOCTL_GETATTRIB";
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case SCARD_IOCTL_SETATTRIB:
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return funcName ? "SCardSetAttrib" : "SCARD_IOCTL_SETATTRIB";
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case SCARD_IOCTL_ACCESSSTARTEDEVENT:
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return funcName ? "SCardAccessStartedEvent" : "SCARD_IOCTL_ACCESSSTARTEDEVENT";
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case SCARD_IOCTL_LOCATECARDSBYATRA:
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return funcName ? "SCardLocateCardsByATRA" : "SCARD_IOCTL_LOCATECARDSBYATRA";
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case SCARD_IOCTL_LOCATECARDSBYATRW:
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return funcName ? "SCardLocateCardsByATRB" : "SCARD_IOCTL_LOCATECARDSBYATRW";
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case SCARD_IOCTL_READCACHEA:
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return funcName ? "SCardReadCacheA" : "SCARD_IOCTL_READCACHEA";
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case SCARD_IOCTL_READCACHEW:
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return funcName ? "SCardReadCacheW" : "SCARD_IOCTL_READCACHEW";
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case SCARD_IOCTL_WRITECACHEA:
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return funcName ? "SCardWriteCacheA" : "SCARD_IOCTL_WRITECACHEA";
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case SCARD_IOCTL_WRITECACHEW:
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return funcName ? "SCardWriteCacheW" : "SCARD_IOCTL_WRITECACHEW";
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case SCARD_IOCTL_GETTRANSMITCOUNT:
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return funcName ? "SCardGetTransmitCount" : "SCARD_IOCTL_GETTRANSMITCOUNT";
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case SCARD_IOCTL_RELEASETARTEDEVENT:
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return funcName ? "SCardReleaseStartedEvent" : "SCARD_IOCTL_RELEASETARTEDEVENT";
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case SCARD_IOCTL_GETREADERICON:
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return funcName ? "SCardGetReaderIcon" : "SCARD_IOCTL_GETREADERICON";
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case SCARD_IOCTL_GETDEVICETYPEID:
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return funcName ? "SCardGetDeviceTypeId" : "SCARD_IOCTL_GETDEVICETYPEID";
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default:
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return funcName ? "SCardUnknown" : "SCARD_IOCTL_UNKNOWN";
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}
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}
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const char* rdpdr_component_string(UINT16 component)
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{
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switch (component)
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{
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case RDPDR_CTYP_PRN:
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return "RDPDR_CTYP_PRN";
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case RDPDR_CTYP_CORE:
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return "RDPDR_CTYP_CORE";
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default:
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return "UNKNOWN";
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}
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}
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const char* rdpdr_packetid_string(UINT16 packetid)
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{
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switch (packetid)
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{
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case PAKID_CORE_SERVER_ANNOUNCE:
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return "PAKID_CORE_SERVER_ANNOUNCE";
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case PAKID_CORE_CLIENTID_CONFIRM:
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return "PAKID_CORE_CLIENTID_CONFIRM";
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case PAKID_CORE_CLIENT_NAME:
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return "PAKID_CORE_CLIENT_NAME";
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case PAKID_CORE_DEVICELIST_ANNOUNCE:
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return "PAKID_CORE_DEVICELIST_ANNOUNCE";
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case PAKID_CORE_DEVICE_REPLY:
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return "PAKID_CORE_DEVICE_REPLY";
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case PAKID_CORE_DEVICE_IOREQUEST:
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return "PAKID_CORE_DEVICE_IOREQUEST";
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case PAKID_CORE_DEVICE_IOCOMPLETION:
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return "PAKID_CORE_DEVICE_IOCOMPLETION";
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case PAKID_CORE_SERVER_CAPABILITY:
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return "PAKID_CORE_SERVER_CAPABILITY";
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case PAKID_CORE_CLIENT_CAPABILITY:
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return "PAKID_CORE_CLIENT_CAPABILITY";
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case PAKID_CORE_DEVICELIST_REMOVE:
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return "PAKID_CORE_DEVICELIST_REMOVE";
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case PAKID_CORE_USER_LOGGEDON:
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return "PAKID_CORE_USER_LOGGEDON";
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case PAKID_PRN_CACHE_DATA:
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return "PAKID_PRN_CACHE_DATA";
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case PAKID_PRN_USING_XPS:
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return "PAKID_PRN_USING_XPS";
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default:
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return "UNKNOWN";
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}
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}
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BOOL rdpdr_write_iocompletion_header(wStream* out, UINT32 DeviceId, UINT32 CompletionId,
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NTSTATUS ioStatus)
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{
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WINPR_ASSERT(out);
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Stream_ResetPosition(out);
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if (!Stream_EnsureRemainingCapacity(out, 16))
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return FALSE;
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Stream_Write_UINT16(out, RDPDR_CTYP_CORE); /* Component (2 bytes) */
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Stream_Write_UINT16(out, PAKID_CORE_DEVICE_IOCOMPLETION); /* PacketId (2 bytes) */
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Stream_Write_UINT32(out, DeviceId); /* DeviceId (4 bytes) */
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Stream_Write_UINT32(out, CompletionId); /* CompletionId (4 bytes) */
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Stream_Write_INT32(out, ioStatus); /* IoStatus (4 bytes) */
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return TRUE;
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}
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static void rdpdr_dump_packet(wLog* log, DWORD lvl, wStream* s, const char* custom, BOOL send)
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{
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if (!WLog_IsLevelActive(log, lvl))
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return;
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const size_t gpos = Stream_GetPosition(s);
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const size_t pos = send ? Stream_GetPosition(s) : Stream_Length(s);
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UINT16 component = 0;
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UINT16 packetid = 0;
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Stream_ResetPosition(s);
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if (pos >= 2)
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Stream_Read_UINT16(s, component);
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if (pos >= 4)
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Stream_Read_UINT16(s, packetid);
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switch (packetid)
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{
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case PAKID_CORE_SERVER_ANNOUNCE:
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case PAKID_CORE_CLIENTID_CONFIRM:
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{
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UINT16 versionMajor = 0;
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UINT16 versionMinor = 0;
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UINT32 clientID = 0;
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if (pos >= 6)
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Stream_Read_UINT16(s, versionMajor);
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if (pos >= 8)
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Stream_Read_UINT16(s, versionMinor);
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if (pos >= 12)
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Stream_Read_UINT32(s, clientID);
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WLog_Print(log, lvl,
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"%s [%s | %s] [version:%" PRIu16 ".%" PRIu16 "][id:0x%08" PRIx32
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"] -> %" PRIuz,
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||||
custom, rdpdr_component_string(component), rdpdr_packetid_string(packetid),
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versionMajor, versionMinor, clientID, pos);
|
||||
}
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break;
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case PAKID_CORE_CLIENT_NAME:
|
||||
{
|
||||
char name[256] = WINPR_C_ARRAY_INIT;
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UINT32 unicodeFlag = 0;
|
||||
UINT32 codePage = 0;
|
||||
UINT32 computerNameLen = 0;
|
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if (pos >= 8)
|
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Stream_Read_UINT32(s, unicodeFlag);
|
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if (pos >= 12)
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Stream_Read_UINT32(s, codePage);
|
||||
if (pos >= 16)
|
||||
Stream_Read_UINT32(s, computerNameLen);
|
||||
if (pos >= 16 + computerNameLen)
|
||||
{
|
||||
if (unicodeFlag == 0)
|
||||
Stream_Read(s, name, MIN(sizeof(name), computerNameLen));
|
||||
else
|
||||
(void)ConvertWCharNToUtf8(Stream_ConstPointer(s),
|
||||
computerNameLen / sizeof(WCHAR), name, sizeof(name));
|
||||
}
|
||||
WLog_Print(log, lvl,
|
||||
"%s [%s | %s] [ucs:%" PRIu32 "|cp:%" PRIu32 "][len:0x%08" PRIx32
|
||||
"] '%s' -> %" PRIuz,
|
||||
custom, rdpdr_component_string(component), rdpdr_packetid_string(packetid),
|
||||
unicodeFlag, codePage, computerNameLen, name, pos);
|
||||
}
|
||||
break;
|
||||
|
||||
case PAKID_CORE_DEVICE_IOREQUEST:
|
||||
{
|
||||
UINT32 CompletionId = 0;
|
||||
UINT32 deviceID = 0;
|
||||
UINT32 FileId = 0;
|
||||
UINT32 MajorFunction = 0;
|
||||
UINT32 MinorFunction = 0;
|
||||
|
||||
if (pos >= 8)
|
||||
Stream_Read_UINT32(s, deviceID);
|
||||
if (pos >= 12)
|
||||
Stream_Read_UINT32(s, FileId);
|
||||
if (pos >= 16)
|
||||
Stream_Read_UINT32(s, CompletionId);
|
||||
if (pos >= 20)
|
||||
Stream_Read_UINT32(s, MajorFunction);
|
||||
if (pos >= 24)
|
||||
Stream_Read_UINT32(s, MinorFunction);
|
||||
WLog_Print(log, lvl,
|
||||
"%s [%s | %s] [0x%08" PRIx32 "] FileId=0x%08" PRIx32
|
||||
", CompletionId=0x%08" PRIx32 ", MajorFunction=0x%08" PRIx32
|
||||
", MinorFunction=0x%08" PRIx32 " -> %" PRIuz,
|
||||
custom, rdpdr_component_string(component), rdpdr_packetid_string(packetid),
|
||||
deviceID, FileId, CompletionId, MajorFunction, MinorFunction, pos);
|
||||
}
|
||||
break;
|
||||
case PAKID_CORE_DEVICE_IOCOMPLETION:
|
||||
{
|
||||
UINT32 completionID = 0;
|
||||
UINT32 ioStatus = 0;
|
||||
UINT32 deviceID = 0;
|
||||
if (pos >= 8)
|
||||
Stream_Read_UINT32(s, deviceID);
|
||||
if (pos >= 12)
|
||||
Stream_Read_UINT32(s, completionID);
|
||||
if (pos >= 16)
|
||||
Stream_Read_UINT32(s, ioStatus);
|
||||
|
||||
WLog_Print(log, lvl,
|
||||
"%s [%s | %s] [0x%08" PRIx32 "] completionID=0x%08" PRIx32
|
||||
", ioStatus=0x%08" PRIx32 " -> %" PRIuz,
|
||||
custom, rdpdr_component_string(component), rdpdr_packetid_string(packetid),
|
||||
deviceID, completionID, ioStatus, pos);
|
||||
}
|
||||
break;
|
||||
case PAKID_CORE_DEVICE_REPLY:
|
||||
{
|
||||
UINT32 deviceID = 0;
|
||||
UINT32 status = 0;
|
||||
|
||||
if (pos >= 8)
|
||||
Stream_Read_UINT32(s, deviceID);
|
||||
if (pos >= 12)
|
||||
Stream_Read_UINT32(s, status);
|
||||
WLog_Print(log, lvl,
|
||||
"%s [%s | %s] [id:0x%08" PRIx32 ",status=0x%08" PRIx32 "] -> %" PRIuz,
|
||||
custom, rdpdr_component_string(component), rdpdr_packetid_string(packetid),
|
||||
deviceID, status, pos);
|
||||
}
|
||||
break;
|
||||
case PAKID_CORE_CLIENT_CAPABILITY:
|
||||
case PAKID_CORE_SERVER_CAPABILITY:
|
||||
{
|
||||
UINT16 numCapabilities = 0;
|
||||
if (pos >= 6)
|
||||
Stream_Read_UINT16(s, numCapabilities);
|
||||
if (pos >= 8)
|
||||
Stream_Seek_UINT16(s); /* padding */
|
||||
WLog_Print(log, lvl, "%s [%s | %s] [caps:%" PRIu16 "] -> %" PRIuz, custom,
|
||||
rdpdr_component_string(component), rdpdr_packetid_string(packetid),
|
||||
numCapabilities, pos);
|
||||
for (UINT16 x = 0; x < numCapabilities; x++)
|
||||
{
|
||||
RDPDR_CAPABILITY_HEADER header = WINPR_C_ARRAY_INIT;
|
||||
const UINT error = rdpdr_read_capset_header(log, s, &header);
|
||||
if (error == CHANNEL_RC_OK)
|
||||
Stream_Seek(s, header.CapabilityLength);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case PAKID_CORE_DEVICELIST_ANNOUNCE:
|
||||
{
|
||||
size_t offset = 8;
|
||||
UINT32 count = 0;
|
||||
|
||||
if (pos >= offset)
|
||||
Stream_Read_UINT32(s, count);
|
||||
|
||||
WLog_Print(log, lvl, "%s [%s | %s] [%" PRIu32 "] -> %" PRIuz, custom,
|
||||
rdpdr_component_string(component), rdpdr_packetid_string(packetid), count,
|
||||
pos);
|
||||
|
||||
for (UINT32 x = 0; x < count; x++)
|
||||
{
|
||||
RdpdrDevice device = WINPR_C_ARRAY_INIT;
|
||||
|
||||
offset += 20;
|
||||
if (pos >= offset)
|
||||
{
|
||||
Stream_Read_UINT32(s, device.DeviceType); /* DeviceType (4 bytes) */
|
||||
Stream_Read_UINT32(s, device.DeviceId); /* DeviceId (4 bytes) */
|
||||
Stream_Read(s, device.PreferredDosName, 8); /* PreferredDosName (8 bytes) */
|
||||
Stream_Read_UINT32(s, device.DeviceDataLength); /* DeviceDataLength (4 bytes) */
|
||||
device.DeviceData = Stream_Pointer(s);
|
||||
}
|
||||
offset += device.DeviceDataLength;
|
||||
|
||||
WLog_Print(log, lvl,
|
||||
"%s [announce][%" PRIu32 "] %s [0x%08" PRIx32
|
||||
"] '%s' [DeviceDataLength=%" PRIu32 "]",
|
||||
custom, x, freerdp_rdpdr_dtyp_string(device.DeviceType), device.DeviceId,
|
||||
device.PreferredDosName, device.DeviceDataLength);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case PAKID_CORE_DEVICELIST_REMOVE:
|
||||
{
|
||||
size_t offset = 8;
|
||||
UINT32 count = 0;
|
||||
|
||||
if (pos >= offset)
|
||||
Stream_Read_UINT32(s, count);
|
||||
|
||||
WLog_Print(log, lvl, "%s [%s | %s] [%" PRIu32 "] -> %" PRIuz, custom,
|
||||
rdpdr_component_string(component), rdpdr_packetid_string(packetid), count,
|
||||
pos);
|
||||
|
||||
for (UINT32 x = 0; x < count; x++)
|
||||
{
|
||||
UINT32 id = 0;
|
||||
|
||||
offset += 4;
|
||||
if (pos >= offset)
|
||||
Stream_Read_UINT32(s, id);
|
||||
|
||||
WLog_Print(log, lvl, "%s [remove][%" PRIu32 "] id=%" PRIu32, custom, x, id);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case PAKID_CORE_USER_LOGGEDON:
|
||||
WLog_Print(log, lvl, "%s [%s | %s] -> %" PRIuz, custom,
|
||||
rdpdr_component_string(component), rdpdr_packetid_string(packetid), pos);
|
||||
break;
|
||||
default:
|
||||
{
|
||||
WLog_Print(log, lvl, "%s [%s | %s] -> %" PRIuz, custom,
|
||||
rdpdr_component_string(component), rdpdr_packetid_string(packetid), pos);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
// winpr_HexLogDump(log, lvl, Stream_Buffer(s), pos);
|
||||
Stream_SetPosition(s, gpos);
|
||||
}
|
||||
|
||||
void rdpdr_dump_received_packet(wLog* log, DWORD lvl, wStream* out, const char* custom)
|
||||
{
|
||||
rdpdr_dump_packet(log, lvl, out, custom, FALSE);
|
||||
}
|
||||
|
||||
void rdpdr_dump_send_packet(wLog* log, DWORD lvl, wStream* out, const char* custom)
|
||||
{
|
||||
rdpdr_dump_packet(log, lvl, out, custom, TRUE);
|
||||
}
|
||||
|
||||
const char* rdpdr_irp_string(UINT32 major)
|
||||
{
|
||||
switch (major)
|
||||
{
|
||||
case IRP_MJ_CREATE:
|
||||
return "IRP_MJ_CREATE";
|
||||
case IRP_MJ_CLOSE:
|
||||
return "IRP_MJ_CLOSE";
|
||||
case IRP_MJ_READ:
|
||||
return "IRP_MJ_READ";
|
||||
case IRP_MJ_WRITE:
|
||||
return "IRP_MJ_WRITE";
|
||||
case IRP_MJ_DEVICE_CONTROL:
|
||||
return "IRP_MJ_DEVICE_CONTROL";
|
||||
case IRP_MJ_QUERY_VOLUME_INFORMATION:
|
||||
return "IRP_MJ_QUERY_VOLUME_INFORMATION";
|
||||
case IRP_MJ_SET_VOLUME_INFORMATION:
|
||||
return "IRP_MJ_SET_VOLUME_INFORMATION";
|
||||
case IRP_MJ_QUERY_INFORMATION:
|
||||
return "IRP_MJ_QUERY_INFORMATION";
|
||||
case IRP_MJ_SET_INFORMATION:
|
||||
return "IRP_MJ_SET_INFORMATION";
|
||||
case IRP_MJ_DIRECTORY_CONTROL:
|
||||
return "IRP_MJ_DIRECTORY_CONTROL";
|
||||
case IRP_MJ_LOCK_CONTROL:
|
||||
return "IRP_MJ_LOCK_CONTROL";
|
||||
default:
|
||||
return "IRP_UNKNOWN";
|
||||
}
|
||||
}
|
||||
|
||||
const char* rdpdr_cap_type_string(UINT16 capability)
|
||||
{
|
||||
switch (capability)
|
||||
{
|
||||
case CAP_GENERAL_TYPE:
|
||||
return "CAP_GENERAL_TYPE";
|
||||
case CAP_PRINTER_TYPE:
|
||||
return "CAP_PRINTER_TYPE";
|
||||
case CAP_PORT_TYPE:
|
||||
return "CAP_PORT_TYPE";
|
||||
case CAP_DRIVE_TYPE:
|
||||
return "CAP_DRIVE_TYPE";
|
||||
case CAP_SMARTCARD_TYPE:
|
||||
return "CAP_SMARTCARD_TYPE";
|
||||
default:
|
||||
return "CAP_UNKNOWN";
|
||||
}
|
||||
}
|
||||
|
||||
UINT rdpdr_read_capset_header(wLog* log, wStream* s, RDPDR_CAPABILITY_HEADER* header)
|
||||
{
|
||||
WINPR_ASSERT(header);
|
||||
if (!Stream_CheckAndLogRequiredLengthWLog(log, s, 8))
|
||||
return ERROR_INVALID_DATA;
|
||||
|
||||
Stream_Read_UINT16(s, header->CapabilityType); /* CapabilityType (2 bytes) */
|
||||
Stream_Read_UINT16(s, header->CapabilityLength); /* CapabilityLength (2 bytes) */
|
||||
Stream_Read_UINT32(s, header->Version); /* Version (4 bytes) */
|
||||
|
||||
WLog_Print(log, WLOG_TRACE,
|
||||
"capability %s [0x%04" PRIx16 "] got version %" PRIu32 ", length %" PRIu16,
|
||||
rdpdr_cap_type_string(header->CapabilityType), header->CapabilityType,
|
||||
header->Version, header->CapabilityLength);
|
||||
if (header->CapabilityLength < 8)
|
||||
{
|
||||
WLog_Print(log, WLOG_ERROR, "capability %s got short length %" PRIu32,
|
||||
rdpdr_cap_type_string(header->CapabilityType), header->CapabilityLength);
|
||||
return ERROR_INVALID_DATA;
|
||||
}
|
||||
header->CapabilityLength -= 8;
|
||||
if (!Stream_CheckAndLogRequiredLengthWLog(log, s, header->CapabilityLength))
|
||||
return ERROR_INVALID_DATA;
|
||||
return CHANNEL_RC_OK;
|
||||
}
|
||||
|
||||
UINT rdpdr_write_capset_header(wLog* log, wStream* s, const RDPDR_CAPABILITY_HEADER* header)
|
||||
{
|
||||
WINPR_ASSERT(header);
|
||||
WINPR_ASSERT(header->CapabilityLength >= 8);
|
||||
|
||||
if (!Stream_EnsureRemainingCapacity(s, header->CapabilityLength))
|
||||
{
|
||||
WLog_Print(log, WLOG_ERROR, "not enough data in stream!");
|
||||
return ERROR_INVALID_DATA;
|
||||
}
|
||||
|
||||
WLog_Print(log, WLOG_TRACE, "writing capability %s version %" PRIu32 ", length %" PRIu16,
|
||||
rdpdr_cap_type_string(header->CapabilityType), header->Version,
|
||||
header->CapabilityLength);
|
||||
Stream_Write_UINT16(s, header->CapabilityType); /* CapabilityType (2 bytes) */
|
||||
Stream_Write_UINT16(s, header->CapabilityLength); /* CapabilityLength (2 bytes) */
|
||||
Stream_Write_UINT32(s, header->Version); /* Version (4 bytes) */
|
||||
return CHANNEL_RC_OK;
|
||||
}
|
||||
|
||||
const char* rdpdr_irp_val2str(UINT32 ioCode1)
|
||||
{
|
||||
switch (ioCode1)
|
||||
{
|
||||
case RDPDR_IRP_MJ_CREATE:
|
||||
return "MJ_CREATE";
|
||||
case RDPDR_IRP_MJ_CLEANUP:
|
||||
return "MJ_CLEANUP";
|
||||
case RDPDR_IRP_MJ_CLOSE:
|
||||
return "MJ_CLOSE";
|
||||
case RDPDR_IRP_MJ_READ:
|
||||
return "MJ_READ";
|
||||
case RDPDR_IRP_MJ_WRITE:
|
||||
return "MJ_WRITE";
|
||||
case RDPDR_IRP_MJ_FLUSH_BUFFERS:
|
||||
return "MJ_FLUSH_BUFFERS";
|
||||
case RDPDR_IRP_MJ_SHUTDOWN:
|
||||
return "MJ_SHUTDOWN";
|
||||
case RDPDR_IRP_MJ_DEVICE_CONTROL:
|
||||
return "MJ_DEVICE_CONTROL";
|
||||
case RDPDR_IRP_MJ_QUERY_VOLUME_INFORMATION:
|
||||
return "MJ_QUERY_VOLUME_INFORMATION";
|
||||
case RDPDR_IRP_MJ_SET_VOLUME_INFORMATION:
|
||||
return "MJ_SET_VOLUME_INFORMATION";
|
||||
case RDPDR_IRP_MJ_QUERY_INFORMATION:
|
||||
return "MJ_QUERY_INFORMATION";
|
||||
case RDPDR_IRP_MJ_SET_INFORMATION:
|
||||
return "MJ_SET_INFORMATION";
|
||||
case RDPDR_IRP_MJ_DIRECTORY_CONTROL:
|
||||
return "MJ_DIRECTORY_CONTROL";
|
||||
case RDPDR_IRP_MJ_LOCK_CONTROL:
|
||||
return "MJ_LOCK_CONTROL";
|
||||
case RDPDR_IRP_MJ_QUERY_SECURITY:
|
||||
return "MJ_QUERY_SECURITY";
|
||||
case RDPDR_IRP_MJ_SET_SECURITY:
|
||||
return "MJ_SET_SECURITY";
|
||||
default:
|
||||
return "IRP_MJ_UNKNOWN";
|
||||
}
|
||||
}
|
||||
|
||||
const char* rdpdr_irp_mask2str(UINT32 ioCode1Mask, char* buffer, size_t len)
|
||||
{
|
||||
if (len < 1)
|
||||
return nullptr;
|
||||
|
||||
if (!winpr_str_append("{", buffer, len, nullptr))
|
||||
return nullptr;
|
||||
|
||||
for (size_t x = 0; x < 32; x++)
|
||||
{
|
||||
const UINT32 mask = (1u << x);
|
||||
if (ioCode1Mask & mask)
|
||||
{
|
||||
if (!winpr_str_append(rdpdr_irp_val2str(mask), &buffer[1], len - 1, "|"))
|
||||
return nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
char number[16] = WINPR_C_ARRAY_INIT;
|
||||
(void)_snprintf(number, sizeof(number), "}[0x%08" PRIx32 "]", ioCode1Mask);
|
||||
if (!winpr_str_append(number, buffer, len, nullptr))
|
||||
return nullptr;
|
||||
return buffer;
|
||||
}
|
||||
|
||||
const char* rdpdr_device_type_string(UINT32 type)
|
||||
{
|
||||
switch (type)
|
||||
{
|
||||
case RDPDR_DTYP_SERIAL:
|
||||
return "serial";
|
||||
case RDPDR_DTYP_PRINT:
|
||||
return "printer";
|
||||
case RDPDR_DTYP_FILESYSTEM:
|
||||
return "drive";
|
||||
case RDPDR_DTYP_SMARTCARD:
|
||||
return "smartcard";
|
||||
case RDPDR_DTYP_PARALLEL:
|
||||
return "parallel";
|
||||
default:
|
||||
return "UNKNOWN";
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user