Support building BoringSSL with NSS certificates.

net/cert/x509_util_nss.cc

Index: net/cert/x509_util_nss.cc
diff --git a/net/cert/x509_util_nss.cc b/net/cert/x509_util_nss.cc
index 9711ef601165b30b4d0f5116888cbe60e4c74b14..ecdf08ba8d741d7b96aaace1669fd69d69874059 100644
--- a/net/cert/x509_util_nss.cc
+++ b/net/cert/x509_util_nss.cc
@@ -194,58 +194,6 @@ bool SignCertificate(
   return true;
 }
 
-#if defined(USE_NSS_CERTS) || defined(OS_IOS)
-// Callback for CERT_DecodeCertPackage(), used in
-// CreateOSCertHandlesFromBytes().
-SECStatus PR_CALLBACK CollectCertsCallback(void* arg,
-                                           SECItem** certs,
-                                           int num_certs) {
-  X509Certificate::OSCertHandles* results =
-      reinterpret_cast<X509Certificate::OSCertHandles*>(arg);
-
-  for (int i = 0; i < num_certs; ++i) {
-    X509Certificate::OSCertHandle handle =
-        X509Certificate::CreateOSCertHandleFromBytes(
-            reinterpret_cast<char*>(certs[i]->data), certs[i]->len);
-    if (handle)
-      results->push_back(handle);
-  }
-
-  return SECSuccess;
-}
-
-typedef scoped_ptr<
-    CERTName,
-    crypto::NSSDestroyer<CERTName, CERT_DestroyName> > ScopedCERTName;
-
-// Create a new CERTName object from its encoded representation.
-// |arena| is the allocation pool to use.
-// |data| points to a DER-encoded X.509 DistinguishedName.
-// Return a new CERTName pointer on success, or NULL.
-CERTName* CreateCertNameFromEncoded(PLArenaPool* arena,
-                                    const base::StringPiece& data) {
-  if (!arena)
-    return NULL;
-
-  ScopedCERTName name(PORT_ArenaZNew(arena, CERTName));
-  if (!name.get())
-    return NULL;
-
-  SECItem item;
-  item.len = static_cast<unsigned int>(data.length());
-  item.data = reinterpret_cast<unsigned char*>(
-      const_cast<char*>(data.data()));
-
-  SECStatus rv = SEC_ASN1DecodeItem(
-      arena, name.get(), SEC_ASN1_GET(CERT_NameTemplate), &item);
-  if (rv != SECSuccess)
-    return NULL;
-
-  return name.release();
-}
-
-#endif  // defined(USE_NSS_CERTS) || defined(OS_IOS)
-
 }  // namespace
 
 namespace x509_util {
@@ -368,271 +316,6 @@ bool CreateChannelIDEC(crypto::ECPrivateKey* key,
   return true;
 }
 
-#if defined(USE_NSS_CERTS) || defined(OS_IOS)
-void ParsePrincipal(CERTName* name, CertPrincipal* principal) {
-// Starting in NSS 3.15, CERTGetNameFunc takes a const CERTName* argument.
-#if NSS_VMINOR >= 15
-  typedef char* (*CERTGetNameFunc)(const CERTName* name);
-#else
-  typedef char* (*CERTGetNameFunc)(CERTName* name);
-#endif
-
-  // TODO(jcampan): add business_category and serial_number.
-  // TODO(wtc): NSS has the CERT_GetOrgName, CERT_GetOrgUnitName, and
-  // CERT_GetDomainComponentName functions, but they return only the most
-  // general (the first) RDN.  NSS doesn't have a function for the street
-  // address.
-  static const SECOidTag kOIDs[] = {
-    SEC_OID_AVA_STREET_ADDRESS,
-    SEC_OID_AVA_ORGANIZATION_NAME,
-    SEC_OID_AVA_ORGANIZATIONAL_UNIT_NAME,
-    SEC_OID_AVA_DC };
-
-  std::vector<std::string>* values[] = {
-    &principal->street_addresses,
-    &principal->organization_names,
-    &principal->organization_unit_names,
-    &principal->domain_components };
-  DCHECK_EQ(arraysize(kOIDs), arraysize(values));
-
-  CERTRDN** rdns = name->rdns;
-  for (size_t rdn = 0; rdns[rdn]; ++rdn) {
-    CERTAVA** avas = rdns[rdn]->avas;
-    for (size_t pair = 0; avas[pair] != 0; ++pair) {
-      SECOidTag tag = CERT_GetAVATag(avas[pair]);
-      for (size_t oid = 0; oid < arraysize(kOIDs); ++oid) {
-        if (kOIDs[oid] == tag) {
-          SECItem* decode_item = CERT_DecodeAVAValue(&avas[pair]->value);
-          if (!decode_item)
-            break;
-          // TODO(wtc): Pass decode_item to CERT_RFC1485_EscapeAndQuote.
-          std::string value(reinterpret_cast<char*>(decode_item->data),
-                            decode_item->len);
-          values[oid]->push_back(value);
-          SECITEM_FreeItem(decode_item, PR_TRUE);
-          break;
-        }
-      }
-    }
-  }
-
-  // Get CN, L, S, and C.
-  CERTGetNameFunc get_name_funcs[4] = {
-    CERT_GetCommonName, CERT_GetLocalityName,
-    CERT_GetStateName, CERT_GetCountryName };
-  std::string* single_values[4] = {
-    &principal->common_name, &principal->locality_name,
-    &principal->state_or_province_name, &principal->country_name };
-  for (size_t i = 0; i < arraysize(get_name_funcs); ++i) {
-    char* value = get_name_funcs[i](name);
-    if (value) {
-      single_values[i]->assign(value);
-      PORT_Free(value);
-    }
-  }
-}
-
-void ParseDate(const SECItem* der_date, base::Time* result) {
-  PRTime prtime;
-  SECStatus rv = DER_DecodeTimeChoice(&prtime, der_date);
-  DCHECK_EQ(SECSuccess, rv);
-  *result = crypto::PRTimeToBaseTime(prtime);
-}
-
-std::string ParseSerialNumber(const CERTCertificate* certificate) {
-  return std::string(reinterpret_cast<char*>(certificate->serialNumber.data),
-                     certificate->serialNumber.len);
-}
-
-void GetSubjectAltName(CERTCertificate* cert_handle,
-                       std::vector<std::string>* dns_names,
-                       std::vector<std::string>* ip_addrs) {
-  if (dns_names)
-    dns_names->clear();
-  if (ip_addrs)
-    ip_addrs->clear();
-
-  SECItem alt_name;
-  SECStatus rv = CERT_FindCertExtension(cert_handle,
-                                        SEC_OID_X509_SUBJECT_ALT_NAME,
-                                        &alt_name);
-  if (rv != SECSuccess)
-    return;
-
-  PLArenaPool* arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
-  DCHECK(arena != NULL);
-
-  CERTGeneralName* alt_name_list;
-  alt_name_list = CERT_DecodeAltNameExtension(arena, &alt_name);
-  SECITEM_FreeItem(&alt_name, PR_FALSE);
-
-  CERTGeneralName* name = alt_name_list;
-  while (name) {
-    // DNSName and IPAddress are encoded as IA5String and OCTET STRINGs
-    // respectively, both of which can be byte copied from
-    // SECItemType::data into the appropriate output vector.
-    if (dns_names && name->type == certDNSName) {
-      dns_names->push_back(std::string(
-          reinterpret_cast<char*>(name->name.other.data),
-          name->name.other.len));
-    } else if (ip_addrs && name->type == certIPAddress) {
-      ip_addrs->push_back(std::string(
-          reinterpret_cast<char*>(name->name.other.data),
-          name->name.other.len));
-    }
-    name = CERT_GetNextGeneralName(name);
-    if (name == alt_name_list)
-      break;
-  }
-  PORT_FreeArena(arena, PR_FALSE);
-}
-
-X509Certificate::OSCertHandles CreateOSCertHandlesFromBytes(
-    const char* data,
-    int length,
-    X509Certificate::Format format) {
-  X509Certificate::OSCertHandles results;
-  if (length < 0)
-    return results;
-
-  crypto::EnsureNSSInit();
-
-  if (!NSS_IsInitialized())
-    return results;
-
-  switch (format) {
-    case X509Certificate::FORMAT_SINGLE_CERTIFICATE: {
-      X509Certificate::OSCertHandle handle =
-          X509Certificate::CreateOSCertHandleFromBytes(data, length);
-      if (handle)
-        results.push_back(handle);
-      break;
-    }
-    case X509Certificate::FORMAT_PKCS7: {
-      // Make a copy since CERT_DecodeCertPackage may modify it
-      std::vector<char> data_copy(data, data + length);
-
-      SECStatus result = CERT_DecodeCertPackage(&data_copy[0],
-          length, CollectCertsCallback, &results);
-      if (result != SECSuccess)
-        results.clear();
-      break;
-    }
-    default:
-      NOTREACHED() << "Certificate format " << format << " unimplemented";
-      break;
-  }
-
-  return results;
-}
-
-X509Certificate::OSCertHandle ReadOSCertHandleFromPickle(
-    PickleIterator* pickle_iter) {
-  const char* data;
-  int length;
-  if (!pickle_iter->ReadData(&data, &length))
-    return NULL;
-
-  return X509Certificate::CreateOSCertHandleFromBytes(data, length);
-}
-
-void GetPublicKeyInfo(CERTCertificate* handle,
-                      size_t* size_bits,
-                      X509Certificate::PublicKeyType* type) {
-  // Since we might fail, set the output parameters to default values first.
-  *type = X509Certificate::kPublicKeyTypeUnknown;
-  *size_bits = 0;
-
-  crypto::ScopedSECKEYPublicKey key(CERT_ExtractPublicKey(handle));
-  if (!key.get())
-    return;
-
-  *size_bits = SECKEY_PublicKeyStrengthInBits(key.get());
-
-  switch (key->keyType) {
-    case rsaKey:
-      *type = X509Certificate::kPublicKeyTypeRSA;
-      break;
-    case dsaKey:
-      *type = X509Certificate::kPublicKeyTypeDSA;
-      break;
-    case dhKey:
-      *type = X509Certificate::kPublicKeyTypeDH;
-      break;
-    case ecKey:
-      *type = X509Certificate::kPublicKeyTypeECDSA;
-      break;
-    default:
-      *type = X509Certificate::kPublicKeyTypeUnknown;
-      *size_bits = 0;
-      break;
-  }
-}
-
-bool GetIssuersFromEncodedList(
-    const std::vector<std::string>& encoded_issuers,
-    PLArenaPool* arena,
-    std::vector<CERTName*>* out) {
-  std::vector<CERTName*> result;
-  for (size_t n = 0; n < encoded_issuers.size(); ++n) {
-    CERTName* name = CreateCertNameFromEncoded(arena, encoded_issuers[n]);
-    if (name != NULL)
-      result.push_back(name);
-  }
-
-  if (result.size() == encoded_issuers.size()) {
-    out->swap(result);
-    return true;
-  }
-
-  for (size_t n = 0; n < result.size(); ++n)
-    CERT_DestroyName(result[n]);
-  return false;
-}
-
-
-bool IsCertificateIssuedBy(const std::vector<CERTCertificate*>& cert_chain,
-                           const std::vector<CERTName*>& valid_issuers) {
-  for (size_t n = 0; n < cert_chain.size(); ++n) {
-    CERTName* cert_issuer = &cert_chain[n]->issuer;
-    for (size_t i = 0; i < valid_issuers.size(); ++i) {
-      if (CERT_CompareName(valid_issuers[i], cert_issuer) == SECEqual)
-        return true;
-    }
-  }
-  return false;
-}
-
-std::string GetUniqueNicknameForSlot(const std::string& nickname,
-                                     const SECItem* subject,
-                                     PK11SlotInfo* slot) {
-  int index = 2;
-  std::string new_name = nickname;
-  std::string temp_nickname = new_name;
-  std::string token_name;
-
-  if (!slot)
-    return new_name;
-
-  if (!PK11_IsInternalKeySlot(slot)) {
-    token_name.assign(PK11_GetTokenName(slot));
-    token_name.append(":");
-
-    temp_nickname = token_name + new_name;
-  }
-
-  while (SEC_CertNicknameConflict(temp_nickname.c_str(),
-                                  const_cast<SECItem*>(subject),
-                                  CERT_GetDefaultCertDB())) {
-    base::SStringPrintf(&new_name, "%s #%d", nickname.c_str(), index++);
-    temp_nickname = token_name + new_name;
-  }
-
-  return new_name;
-}
-
-#endif  // defined(USE_NSS_CERTS) || defined(OS_IOS)
-
 } // namespace x509_util
 
 } // namespace net