Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

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

1 files changed, 131 insertions, 0 deletions

diff --git a/src/VBox/Runtime/common/asn1/asn1-ut-bitstring-decode.cpp b/src/VBox/Runtime/common/asn1/asn1-ut-bitstring-decode.cpp
new file mode 100644
index 00000000..4711779a
--- /dev/null
+++ b/src/VBox/Runtime/common/asn1/asn1-ut-bitstring-decode.cpp
@@ -0,0 +1,131 @@
+/* $Id: asn1-ut-bitstring-decode.cpp $ */
+/** @file
+ * IPRT - ASN.1, BIT STRING Type, Decoding.
+ */
+
+/*
+ * Copyright (C) 2006-2019 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/asn1.h>
+
+#include <iprt/err.h>
+#include <iprt/string.h>
+
+#include <iprt/formats/asn1.h>
+
+
+
+RTDECL(int) RTAsn1BitString_DecodeAsn1Ex(PRTASN1CURSOR pCursor, uint32_t fFlags, uint32_t cMaxBits, PRTASN1BITSTRING pThis,
+                                         const char *pszErrorTag)
+{
+    pThis->cBits         = 0;
+    pThis->cMaxBits      = cMaxBits;
+    pThis->uBits.pv      = NULL;
+    pThis->pEncapsulated = NULL;
+    RTAsn1CursorInitAllocation(pCursor, &pThis->EncapsulatedAllocation);
+
+    int rc = RTAsn1CursorReadHdr(pCursor, &pThis->Asn1Core, pszErrorTag);
+    if (RT_SUCCESS(rc))
+    {
+        rc = RTAsn1CursorMatchTagClassFlagsString(pCursor, &pThis->Asn1Core, ASN1_TAG_BIT_STRING,
+                                                  ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_PRIMITIVE,
+                                                  fFlags, pszErrorTag, "BIT STRING");
+        if (RT_SUCCESS(rc))
+        {
+            if (!(pThis->Asn1Core.fClass & ASN1_TAGFLAG_CONSTRUCTED))
+            {
+                if (   (    cMaxBits == UINT32_MAX
+                        || RT_ALIGN(cMaxBits, 8) / 8 + 1 >= pThis->Asn1Core.cb)
+                    && pThis->Asn1Core.cb > 0)
+                {
+                    uint8_t cUnusedBits = pThis->Asn1Core.cb > 0 ? *pThis->Asn1Core.uData.pu8 : 0;
+                    if (pThis->Asn1Core.cb < 2)
+                    {
+                        /* Not bits present. */
+                        if (cUnusedBits == 0)
+                        {
+                            pThis->cBits    = 0;
+                            pThis->uBits.pv = NULL;
+                            RTAsn1CursorSkip(pCursor, pThis->Asn1Core.cb);
+                            pThis->Asn1Core.pOps = &g_RTAsn1BitString_Vtable;
+                            pThis->Asn1Core.fFlags |= RTASN1CORE_F_PRIMITE_TAG_STRUCT;
+                            return VINF_SUCCESS;
+                        }
+                        rc = RTAsn1CursorSetInfo(pCursor, VERR_ASN1_INVALID_BITSTRING_ENCODING,
+                                                 "%s: Bad unused bit count: %#x (cb=%#x)",
+                                                 pszErrorTag, cUnusedBits, pThis->Asn1Core.cb);
+                    }
+                    else if (cUnusedBits < 8)
+                    {
+                        pThis->cBits  = (pThis->Asn1Core.cb - 1) * 8;
+                        pThis->cBits -= cUnusedBits;
+                        pThis->uBits.pu8 = pThis->Asn1Core.uData.pu8 + 1;
+                        if (   !(pCursor->fFlags & (RTASN1CURSOR_FLAGS_DER | RTASN1CURSOR_FLAGS_CER))
+                            || cUnusedBits == 0
+                            || !( pThis->uBits.pu8[pThis->Asn1Core.cb - 2] & (((uint8_t)1 << cUnusedBits) - (uint8_t)1) ) )
+                        {
+                            RTAsn1CursorSkip(pCursor, pThis->Asn1Core.cb);
+                            pThis->Asn1Core.pOps = &g_RTAsn1BitString_Vtable;
+                            pThis->Asn1Core.fFlags |= RTASN1CORE_F_PRIMITE_TAG_STRUCT;
+                            return VINF_SUCCESS;
+                        }
+                        rc = RTAsn1CursorSetInfo(pCursor, VERR_ASN1_INVALID_BITSTRING_ENCODING,
+                                                 "%s: Unused bits shall be zero in DER/CER mode: last byte=%#x cUnused=%#x",
+                                                 pszErrorTag, pThis->uBits.pu8[pThis->cBits / 8], cUnusedBits);
+                    }
+                    else
+                        rc = RTAsn1CursorSetInfo(pCursor, VERR_ASN1_INVALID_BITSTRING_ENCODING,
+                                                 "%s: Bad unused bit count: %#x (cb=%#x)",
+                                                 pszErrorTag, cUnusedBits, pThis->Asn1Core.cb);
+                }
+                else
+                    rc = RTAsn1CursorSetInfo(pCursor, VERR_ASN1_INVALID_BITSTRING_ENCODING,
+                                             "%s: Size mismatch: cb=%#x, expected %#x (cMaxBits=%#x)",
+                                             pszErrorTag, pThis->Asn1Core.cb,  RT_ALIGN(cMaxBits, 8) / 8 + 1, cMaxBits);
+            }
+            else
+                rc = RTAsn1CursorSetInfo(pCursor, VERR_ASN1_CONSTRUCTED_STRING_NOT_IMPL,
+                                         "%s: Constructed BIT STRING not implemented.", pszErrorTag);
+        }
+    }
+    RT_ZERO(*pThis);
+    return rc;
+}
+
+
+RTDECL(int) RTAsn1BitString_DecodeAsn1(PRTASN1CURSOR pCursor, uint32_t fFlags, PRTASN1BITSTRING pThis, const char *pszErrorTag)
+{
+    return RTAsn1BitString_DecodeAsn1Ex(pCursor, fFlags, UINT32_MAX, pThis, pszErrorTag);
+}
+
+
+/*
+ * Generate code for the associated collection types.
+ */
+#define RTASN1TMPL_TEMPLATE_FILE "../common/asn1/asn1-ut-bitstring-template.h"
+#include <iprt/asn1-generator-internal-header.h>
+#include <iprt/asn1-generator-asn1-decoder.h>
+