Add m-esr52 at 52.6.0

1 files changed, 212 insertions, 0 deletions

diff --git a/security/nss/lib/certhigh/xcrldist.c b/security/nss/lib/certhigh/xcrldist.c
new file mode 100644
index 000000000..4f74cdb25
--- /dev/null
+++ b/security/nss/lib/certhigh/xcrldist.c
@@ -0,0 +1,212 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * Code for dealing with x.509 v3 CRL Distribution Point extension.
+ */
+#include "genname.h"
+#include "certt.h"
+#include "secerr.h"
+
+SEC_ASN1_MKSUB(SEC_AnyTemplate)
+SEC_ASN1_MKSUB(SEC_BitStringTemplate)
+
+extern void PrepareBitStringForEncoding(SECItem *bitMap, SECItem *value);
+
+static const SEC_ASN1Template FullNameTemplate[] = {
+    { SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_CONSTRUCTED | 0,
+      offsetof(CRLDistributionPoint, derFullName),
+      CERT_GeneralNamesTemplate }
+};
+
+static const SEC_ASN1Template RelativeNameTemplate[] = {
+    { SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_CONSTRUCTED | 1,
+      offsetof(CRLDistributionPoint, distPoint.relativeName),
+      CERT_RDNTemplate }
+};
+
+static const SEC_ASN1Template DistributionPointNameTemplate[] = {
+    { SEC_ASN1_CHOICE,
+      offsetof(CRLDistributionPoint, distPointType), NULL,
+      sizeof(CRLDistributionPoint) },
+    { SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_CONSTRUCTED | 0,
+      offsetof(CRLDistributionPoint, derFullName),
+      CERT_GeneralNamesTemplate, generalName },
+    { SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_CONSTRUCTED | 1,
+      offsetof(CRLDistributionPoint, distPoint.relativeName),
+      CERT_RDNTemplate, relativeDistinguishedName },
+    { 0 }
+};
+
+static const SEC_ASN1Template CRLDistributionPointTemplate[] = {
+    { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CRLDistributionPoint) },
+    { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC |
+          SEC_ASN1_CONSTRUCTED | SEC_ASN1_EXPLICIT | SEC_ASN1_XTRN | 0,
+      offsetof(CRLDistributionPoint, derDistPoint),
+      SEC_ASN1_SUB(SEC_AnyTemplate) },
+    { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 1,
+      offsetof(CRLDistributionPoint, bitsmap),
+      SEC_ASN1_SUB(SEC_BitStringTemplate) },
+    { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC |
+          SEC_ASN1_CONSTRUCTED | 2,
+      offsetof(CRLDistributionPoint, derCrlIssuer),
+      CERT_GeneralNamesTemplate },
+    { 0 }
+};
+
+const SEC_ASN1Template CERTCRLDistributionPointsTemplate[] = {
+    { SEC_ASN1_SEQUENCE_OF, 0, CRLDistributionPointTemplate }
+};
+
+SECStatus
+CERT_EncodeCRLDistributionPoints(PLArenaPool *arena,
+                                 CERTCrlDistributionPoints *value,
+                                 SECItem *derValue)
+{
+    CRLDistributionPoint **pointList, *point;
+    PLArenaPool *ourPool = NULL;
+    SECStatus rv = SECSuccess;
+
+    PORT_Assert(derValue);
+    PORT_Assert(value && value->distPoints);
+
+    do {
+        ourPool = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
+        if (ourPool == NULL) {
+            rv = SECFailure;
+            break;
+        }
+
+        pointList = value->distPoints;
+        while (*pointList) {
+            point = *pointList;
+            point->derFullName = NULL;
+            point->derDistPoint.data = NULL;
+
+            switch (point->distPointType) {
+                case generalName:
+                    point->derFullName = cert_EncodeGeneralNames(ourPool, point->distPoint.fullName);
+
+                    if (!point->derFullName ||
+                        !SEC_ASN1EncodeItem(ourPool, &point->derDistPoint,
+                                            point, FullNameTemplate))
+                        rv = SECFailure;
+                    break;
+
+                case relativeDistinguishedName:
+                    if (!SEC_ASN1EncodeItem(ourPool, &point->derDistPoint,
+                                            point, RelativeNameTemplate))
+                        rv = SECFailure;
+                    break;
+
+                default:
+                    PORT_SetError(SEC_ERROR_EXTENSION_VALUE_INVALID);
+                    rv = SECFailure;
+                    break;
+            }
+
+            if (rv != SECSuccess)
+                break;
+
+            if (point->reasons.data)
+                PrepareBitStringForEncoding(&point->bitsmap, &point->reasons);
+
+            if (point->crlIssuer) {
+                point->derCrlIssuer = cert_EncodeGeneralNames(ourPool, point->crlIssuer);
+                if (!point->derCrlIssuer) {
+                    rv = SECFailure;
+                    break;
+                }
+            }
+            ++pointList;
+        }
+        if (rv != SECSuccess)
+            break;
+        if (!SEC_ASN1EncodeItem(arena, derValue, value,
+                                CERTCRLDistributionPointsTemplate)) {
+            rv = SECFailure;
+            break;
+        }
+    } while (0);
+    PORT_FreeArena(ourPool, PR_FALSE);
+    return rv;
+}
+
+CERTCrlDistributionPoints *
+CERT_DecodeCRLDistributionPoints(PLArenaPool *arena, SECItem *encodedValue)
+{
+    CERTCrlDistributionPoints *value = NULL;
+    CRLDistributionPoint **pointList, *point;
+    SECStatus rv = SECSuccess;
+    SECItem newEncodedValue;
+
+    PORT_Assert(arena);
+    do {
+        value = PORT_ArenaZNew(arena, CERTCrlDistributionPoints);
+        if (value == NULL) {
+            rv = SECFailure;
+            break;
+        }
+
+        /* copy the DER into the arena, since Quick DER returns data that points
+           into the DER input, which may get freed by the caller */
+        rv = SECITEM_CopyItem(arena, &newEncodedValue, encodedValue);
+        if (rv != SECSuccess)
+            break;
+
+        rv = SEC_QuickDERDecodeItem(arena, &value->distPoints,
+                                    CERTCRLDistributionPointsTemplate, &newEncodedValue);
+        if (rv != SECSuccess)
+            break;
+
+        pointList = value->distPoints;
+        while (NULL != (point = *pointList)) {
+
+            /* get the data if the distributionPointName is not omitted */
+            if (point->derDistPoint.data != NULL) {
+                rv = SEC_QuickDERDecodeItem(arena, point,
+                                            DistributionPointNameTemplate, &(point->derDistPoint));
+                if (rv != SECSuccess)
+                    break;
+
+                switch (point->distPointType) {
+                    case generalName:
+                        point->distPoint.fullName =
+                            cert_DecodeGeneralNames(arena, point->derFullName);
+                        rv = point->distPoint.fullName ? SECSuccess : SECFailure;
+                        break;
+
+                    case relativeDistinguishedName:
+                        break;
+
+                    default:
+                        PORT_SetError(SEC_ERROR_EXTENSION_VALUE_INVALID);
+                        rv = SECFailure;
+                        break;
+                } /* end switch */
+                if (rv != SECSuccess)
+                    break;
+            } /* end if */
+
+            /* Get the reason code if it's not omitted in the encoding */
+            if (point->bitsmap.data != NULL) {
+                SECItem bitsmap = point->bitsmap;
+                DER_ConvertBitString(&bitsmap);
+                rv = SECITEM_CopyItem(arena, &point->reasons, &bitsmap);
+                if (rv != SECSuccess)
+                    break;
+            }
+
+            /* Get the crl issuer name if it's not omitted in the encoding */
+            if (point->derCrlIssuer != NULL) {
+                point->crlIssuer = cert_DecodeGeneralNames(arena,
+                                                           point->derCrlIssuer);
+                if (!point->crlIssuer)
+                    break;
+            }
+            ++pointList;
+        } /* end while points remain */
+    } while (0);
+    return (rv == SECSuccess ? value : NULL);
+}