1 // Copyright 2015 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BSSL_PKI_VERIFY_NAME_MATCH_H_ 6 #define BSSL_PKI_VERIFY_NAME_MATCH_H_ 7 8 #include "fillins/openssl_util.h" 9 #include <string> 10 #include <vector> 11 12 13 14 namespace bssl { 15 16 class CertErrors; 17 18 namespace der { 19 class Input; 20 } // namespace der 21 22 // Normalizes DER-encoded X.501 Name |name_rdn_sequence| (which should not 23 // include the Sequence tag). If successful, returns true and stores the 24 // normalized DER-encoded Name into |normalized_rdn_sequence| (not including an 25 // outer Sequence tag). Returns false if there was an error parsing or 26 // normalizing the input, and adds error information to |errors|. |errors| must 27 // be non-null. 28 OPENSSL_EXPORT bool NormalizeName(const der::Input& name_rdn_sequence, 29 std::string* normalized_rdn_sequence, 30 CertErrors* errors); 31 32 // Compares DER-encoded X.501 Name values according to RFC 5280 rules. 33 // |a_rdn_sequence| and |b_rdn_sequence| should be the DER-encoded RDNSequence 34 // values (not including the Sequence tag). 35 // Returns true if |a_rdn_sequence| and |b_rdn_sequence| match. 36 OPENSSL_EXPORT bool VerifyNameMatch(const der::Input& a_rdn_sequence, 37 const der::Input& b_rdn_sequence); 38 39 // Compares |name_rdn_sequence| and |parent_rdn_sequence| and return true if 40 // |name_rdn_sequence| is within the subtree defined by |parent_rdn_sequence| as 41 // defined by RFC 5280 section 7.1. |name_rdn_sequence| and 42 // |parent_rdn_sequence| should be the DER-encoded sequence values (not 43 // including the Sequence tag). 44 OPENSSL_EXPORT bool VerifyNameInSubtree(const der::Input& name_rdn_sequence, 45 const der::Input& parent_rdn_sequence); 46 47 // Helper functions: 48 49 // Find all emailAddress attribute values in |name_rdn_sequence|. 50 // Returns true if parsing was successful, in which case 51 // |*contained_email_address| will contain zero or more values. The values 52 // returned in |*contained_email_addresses| will be UTF8 strings and have been 53 // checked that they were valid strings for the string type of the attribute 54 // tag, but otherwise have not been validated. 55 // Returns false if there was a parsing error. 56 [[nodiscard]] bool FindEmailAddressesInName( 57 const der::Input& name_rdn_sequence, 58 std::vector<std::string>* contained_email_addresses); 59 60 } // namespace net 61 62 #endif // BSSL_PKI_VERIFY_NAME_MATCH_H_ 63