util_secasn1d_unittest.cc (2364B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "secasn1.h" 8 9 #include "gtest/gtest.h" 10 11 namespace nss_test { 12 13 class SECASN1DTest : public ::testing::Test {}; 14 15 struct InnerSequenceItem { 16 SECItem value; 17 }; 18 19 struct OuterSequence { 20 InnerSequenceItem *item; 21 }; 22 23 static const SEC_ASN1Template InnerSequenceTemplate[] = { 24 {SEC_ASN1_SEQUENCE, 0, NULL, sizeof(InnerSequenceItem)}, 25 {SEC_ASN1_ANY, offsetof(InnerSequenceItem, value)}, 26 {0}}; 27 28 static const SEC_ASN1Template OuterSequenceTemplate[] = { 29 {SEC_ASN1_SEQUENCE_OF, offsetof(OuterSequence, item), InnerSequenceTemplate, 30 sizeof(OuterSequence)}}; 31 32 TEST_F(SECASN1DTest, IndefiniteSequenceInIndefiniteGroup) { 33 PLArenaPool *arena = PORT_NewArena(4096); 34 OuterSequence *outer = nullptr; 35 SECStatus rv; 36 37 // echo "SEQUENCE indefinite { 38 // SEQUENCE indefinite { 39 // PrintableString { \"Test for Bug 1387919\" } 40 // } 41 // }" | ascii2der | xxd -i 42 unsigned char ber[] = {0x30, 0x80, 0x30, 0x80, 0x13, 0x14, 0x54, 0x65, 43 0x73, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x42, 44 0x75, 0x67, 0x20, 0x31, 0x33, 0x38, 0x37, 0x39, 45 0x31, 0x39, 0x00, 0x00, 0x00, 0x00}; 46 47 // Decoding should fail if the trailing EOC is omitted (Bug 1387919) 48 SECItem missingEOC = {siBuffer, ber, sizeof(ber) - 2}; 49 rv = SEC_ASN1DecodeItem(arena, &outer, OuterSequenceTemplate, &missingEOC); 50 EXPECT_EQ(SECFailure, rv); 51 52 // With the trailing EOC, this is well-formed BER. 53 SECItem goodEncoding = {siBuffer, ber, sizeof(ber)}; 54 rv = SEC_ASN1DecodeItem(arena, &outer, OuterSequenceTemplate, &goodEncoding); 55 EXPECT_EQ(SECSuccess, rv); 56 57 // |outer| should now be a null terminated array of InnerSequenceItems 58 59 // The first item is PrintableString { \"Test for Bug 1387919\" } 60 EXPECT_EQ(outer[0].item->value.len, 22U); 61 EXPECT_EQ(0, memcmp(outer[0].item->value.data, ber + 4, 22)); 62 63 // The second item is the null terminator 64 EXPECT_EQ(outer[1].item, nullptr); 65 66 PORT_FreeArena(arena, PR_FALSE); 67 } 68 69 } // namespace nss_test