Adding upstream version 6.1.22-dfsg.upstream/6.1.22-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 164 insertions, 0 deletions

diff --git a/src/VBox/Runtime/common/crypto/pkcs7-asn1-decoder.cpp b/src/VBox/Runtime/common/crypto/pkcs7-asn1-decoder.cpp
new file mode 100644
index 00000000..dcf656a6
--- /dev/null
+++ b/src/VBox/Runtime/common/crypto/pkcs7-asn1-decoder.cpp
@@ -0,0 +1,164 @@
+/* $Id: pkcs7-asn1-decoder.cpp $ */
+/** @file
+ * IPRT - Crypto - PKCS \#7, Decoder for ASN.1.
+ */
+
+/*
+ * Copyright (C) 2006-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "internal/iprt.h"
+#include <iprt/crypto/pkcs7.h>
+
+#include <iprt/err.h>
+#include <iprt/string.h>
+#include <iprt/crypto/spc.h>
+#include <iprt/crypto/tsp.h>
+
+#include "pkcs7-internal.h"
+
+
+/*
+ * PKCS #7 ContentInfo
+ */
+typedef enum RTCRPKCS7CONTENTINFOCHOICE
+{
+    RTCRPKCS7CONTENTINFOCHOICE_INVALID = 0,
+    RTCRPKCS7CONTENTINFOCHOICE_UNKNOWN,
+    RTCRPKCS7CONTENTINFOCHOICE_SIGNED_DATA,
+    RTCRPKCS7CONTENTINFOCHOICE_SPC_INDIRECT_DATA_CONTENT,
+    RTCRPKCS7CONTENTINFOCHOICE_TSP_TST_INFO,
+    RTCRPKCS7CONTENTINFOCHOICE_END,
+    RTCRPKCS7CONTENTINFOCHOICE_32BIT_HACK = 0x7fffffff
+} RTCRPKCS7CONTENTINFOCHOICE;
+
+static int rtCrPkcs7ContentInfo_DecodeExtra(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTCRPKCS7CONTENTINFO pThis,
+                                            const char *pszErrorTag)
+{
+    RT_NOREF_PV(fFlags); RT_NOREF_PV(pszErrorTag);
+    pThis->u.pCore = NULL;
+
+    /*
+     * Figure the type.
+     */
+    RTCRPKCS7CONTENTINFOCHOICE  enmChoice;
+    size_t                      cbContent = 0;
+    if (RTAsn1ObjId_CompareWithString(&pThis->ContentType, RTCRPKCS7SIGNEDDATA_OID) == 0)
+    {
+        enmChoice = RTCRPKCS7CONTENTINFOCHOICE_SIGNED_DATA;
+        cbContent = sizeof(*pThis->u.pSignedData);
+    }
+    else if (RTAsn1ObjId_CompareWithString(&pThis->ContentType, RTCRSPCINDIRECTDATACONTENT_OID) == 0)
+    {
+        enmChoice = RTCRPKCS7CONTENTINFOCHOICE_SPC_INDIRECT_DATA_CONTENT;
+        cbContent = sizeof(*pThis->u.pIndirectDataContent);
+    }
+    else if (RTAsn1ObjId_CompareWithString(&pThis->ContentType, RTCRTSPTSTINFO_OID) == 0)
+    {
+        enmChoice = RTCRPKCS7CONTENTINFOCHOICE_TSP_TST_INFO;
+        cbContent = sizeof(*pThis->u.pTstInfo);
+    }
+    else
+    {
+        enmChoice = RTCRPKCS7CONTENTINFOCHOICE_UNKNOWN;
+        cbContent = 0;
+    }
+
+    int rc = VINF_SUCCESS;
+    if (enmChoice != RTCRPKCS7CONTENTINFOCHOICE_UNKNOWN)
+    {
+        /*
+         * Detect CMS octet string format and open the content cursor.
+         *
+         * Current we don't have any octent string content which, they're all
+         * sequences, which make detection so much simpler.
+         */
+        PRTASN1OCTETSTRING  pOctetString = &pThis->Content;
+        RTASN1CURSOR        ContentCursor;
+        rc = RTAsn1CursorInitSubFromCore(pCursor, &pThis->Content.Asn1Core, &ContentCursor, "Content");
+        if (   RT_SUCCESS(rc)
+            && RTAsn1CursorIsNextEx(&ContentCursor, ASN1_TAG_OCTET_STRING, ASN1_TAGFLAG_PRIMITIVE | ASN1_TAGCLASS_UNIVERSAL))
+        {
+            rc = RTAsn1MemAllocZ(&pThis->Content.EncapsulatedAllocation, (void **)&pThis->Content.pEncapsulated,
+                                 sizeof(*pOctetString));
+            if (RT_SUCCESS(rc))
+            {
+                pThis->pCmsContent = pOctetString = (PRTASN1OCTETSTRING)pThis->Content.pEncapsulated;
+                rc = RTAsn1OctetString_DecodeAsn1(&ContentCursor, 0, pOctetString, "CmsContent");
+                if (RT_SUCCESS(rc))
+                    rc = RTAsn1CursorCheckEnd(&ContentCursor);
+                if (RT_SUCCESS(rc))
+                    rc = RTAsn1CursorInitSubFromCore(pCursor, &pOctetString->Asn1Core, &ContentCursor, "CmsContent");
+            }
+        }
+        if (RT_SUCCESS(rc))
+        {
+            /*
+             * Allocate memory for the decoded content.
+             */
+            rc = RTAsn1MemAllocZ(&pOctetString->EncapsulatedAllocation, (void **)&pOctetString->pEncapsulated, cbContent);
+            if (RT_SUCCESS(rc))
+            {
+                pThis->u.pCore = pOctetString->pEncapsulated;
+
+                /*
+                 * Decode it.
+                 */
+                switch (enmChoice)
+                {
+                    case RTCRPKCS7CONTENTINFOCHOICE_SIGNED_DATA:
+                        rc = RTCrPkcs7SignedData_DecodeAsn1(&ContentCursor, 0, pThis->u.pSignedData, "SignedData");
+                        break;
+                    case RTCRPKCS7CONTENTINFOCHOICE_SPC_INDIRECT_DATA_CONTENT:
+                        rc = RTCrSpcIndirectDataContent_DecodeAsn1(&ContentCursor, 0, pThis->u.pIndirectDataContent,
+                                                                   "IndirectDataContent");
+                        break;
+                    case RTCRPKCS7CONTENTINFOCHOICE_TSP_TST_INFO:
+                        rc = RTCrTspTstInfo_DecodeAsn1(&ContentCursor, 0, pThis->u.pTstInfo, "TstInfo");
+                        break;
+                    default:
+                        AssertFailed();
+                        rc = VERR_IPE_NOT_REACHED_DEFAULT_CASE;
+                        break;
+                }
+                if (RT_SUCCESS(rc))
+                    rc = RTAsn1CursorCheckOctStrEnd(&ContentCursor, &pThis->Content);
+                if (RT_SUCCESS(rc))
+                    return VINF_SUCCESS;
+
+                RTAsn1MemFree(&pOctetString->EncapsulatedAllocation, pOctetString->pEncapsulated);
+                pOctetString->pEncapsulated = NULL;
+                pThis->u.pCore = NULL;
+            }
+        }
+    }
+    return rc;
+}
+
+
+/*
+ * Generate the code.
+ */
+#include <iprt/asn1-generator-asn1-decoder.h>
+