1 // Copyright 2015 The Chromium Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef BSSL_PKI_VERIFY_NAME_MATCH_H_ 16 #define BSSL_PKI_VERIFY_NAME_MATCH_H_ 17 18 #include <string> 19 #include <vector> 20 21 #include <openssl/base.h> 22 23 BSSL_NAMESPACE_BEGIN 24 25 class CertErrors; 26 27 namespace der { 28 class Input; 29 } // namespace der 30 31 // Normalizes DER-encoded X.501 Name |name_rdn_sequence| (which should not 32 // include the Sequence tag). If successful, returns true and stores the 33 // normalized DER-encoded Name into |normalized_rdn_sequence| (not including an 34 // outer Sequence tag). Returns false if there was an error parsing or 35 // normalizing the input, and adds error information to |errors|. |errors| must 36 // be non-null. 37 OPENSSL_EXPORT bool NormalizeName(der::Input name_rdn_sequence, 38 std::string *normalized_rdn_sequence, 39 CertErrors *errors); 40 41 // Compares DER-encoded X.501 Name values according to RFC 5280 rules. 42 // |a_rdn_sequence| and |b_rdn_sequence| should be the DER-encoded RDNSequence 43 // values (not including the Sequence tag). 44 // Returns true if |a_rdn_sequence| and |b_rdn_sequence| match. 45 OPENSSL_EXPORT bool VerifyNameMatch(der::Input a_rdn_sequence, 46 der::Input b_rdn_sequence); 47 48 // Compares |name_rdn_sequence| and |parent_rdn_sequence| and return true if 49 // |name_rdn_sequence| is within the subtree defined by |parent_rdn_sequence| as 50 // defined by RFC 5280 section 7.1. |name_rdn_sequence| and 51 // |parent_rdn_sequence| should be the DER-encoded sequence values (not 52 // including the Sequence tag). 53 OPENSSL_EXPORT bool VerifyNameInSubtree(der::Input name_rdn_sequence, 54 der::Input parent_rdn_sequence); 55 56 // Helper functions: 57 58 // Find all emailAddress attribute values in |name_rdn_sequence|. 59 // Returns true if parsing was successful, in which case 60 // |*contained_email_address| will contain zero or more values. The values 61 // returned in |*contained_email_addresses| will be UTF8 strings and have been 62 // checked that they were valid strings for the string type of the attribute 63 // tag, but otherwise have not been validated. 64 // Returns false if there was a parsing error. 65 [[nodiscard]] bool FindEmailAddressesInName( 66 der::Input name_rdn_sequence, 67 std::vector<std::string> *contained_email_addresses); 68 69 BSSL_NAMESPACE_END 70 71 #endif // BSSL_PKI_VERIFY_NAME_MATCH_H_ 72