chromeos/network/onc/onc_signature.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromeos/network/onc/onc_signature.h"
   6
   7 #include "components/onc/onc_constants.h"
   8 #include "third_party/cros_system_api/dbus/service_constants.h"
   9
  10 using base::Value;
  11
  12 namespace chromeos {
  13 namespace onc {
  14 namespace {
  15
  16 const OncValueSignature kBoolSignature = {base::Value::TYPE_BOOLEAN, NULL};
  17 const OncValueSignature kStringSignature = {base::Value::TYPE_STRING, NULL};
  18 const OncValueSignature kIntegerSignature = {base::Value::TYPE_INTEGER, NULL};
  19 const OncValueSignature kDoubleSignature = {base::Value::TYPE_DOUBLE, NULL};
  20 const OncValueSignature kStringListSignature = {base::Value::TYPE_LIST,
  21                                                 NULL,
  22                                                 &kStringSignature};
  23 const OncValueSignature kIntegerListSignature = {base::Value::TYPE_LIST,
  24                                                  NULL,
  25                                                  &kIntegerSignature};
  26 const OncValueSignature kIPConfigListSignature = {base::Value::TYPE_LIST,
  27                                                   NULL,
  28                                                   &kIPConfigSignature};
  29 const OncValueSignature kCellularApnListSignature = {base::Value::TYPE_LIST,
  30                                                      NULL,
  31                                                      &kCellularApnSignature};
  32 const OncValueSignature kCellularFoundNetworkListSignature = {
  33     base::Value::TYPE_LIST,
  34     NULL,
  35     &kCellularFoundNetworkSignature};
  36
  37 const OncFieldSignature issuer_subject_pattern_fields[] = {
  38     {::onc::client_cert::kCommonName, &kStringSignature},
  39     {::onc::client_cert::kLocality, &kStringSignature},
  40     {::onc::client_cert::kOrganization, &kStringSignature},
  41     {::onc::client_cert::kOrganizationalUnit, &kStringSignature},
  42     {NULL}};
  43
  44 const OncFieldSignature certificate_pattern_fields[] = {
  45     {::onc::kRecommended, &kRecommendedSignature},
  46     {::onc::client_cert::kEnrollmentURI, &kStringListSignature},
  47     {::onc::client_cert::kIssuer, &kIssuerSubjectPatternSignature},
  48     {::onc::client_cert::kIssuerCARef, &kStringListSignature},
  49     // Used internally. Not officially supported.
  50     {::onc::client_cert::kIssuerCAPEMs, &kStringListSignature},
  51     {::onc::client_cert::kSubject, &kIssuerSubjectPatternSignature},
  52     {NULL}};
  53
  54 const OncFieldSignature eap_fields[] = {
  55     {::onc::kRecommended, &kRecommendedSignature},
  56     {::onc::eap::kAnonymousIdentity, &kStringSignature},
  57     {::onc::client_cert::kClientCertPattern, &kCertificatePatternSignature},
  58     {::onc::client_cert::kClientCertRef, &kStringSignature},
  59     {::onc::client_cert::kClientCertType, &kStringSignature},
  60     {::onc::eap::kIdentity, &kStringSignature},
  61     {::onc::eap::kInner, &kStringSignature},
  62     {::onc::eap::kOuter, &kStringSignature},
  63     {::onc::eap::kPassword, &kStringSignature},
  64     {::onc::eap::kSaveCredentials, &kBoolSignature},
  65     // Used internally. Not officially supported.
  66     {::onc::eap::kServerCAPEMs, &kStringListSignature},
  67     {::onc::eap::kServerCARef, &kStringSignature},
  68     {::onc::eap::kServerCARefs, &kStringListSignature},
  69     {::onc::eap::kUseSystemCAs, &kBoolSignature},
  70     {NULL}};
  71
  72 const OncFieldSignature ipsec_fields[] = {
  73     {::onc::kRecommended, &kRecommendedSignature},
  74     {::onc::ipsec::kAuthenticationType, &kStringSignature},
  75     {::onc::client_cert::kClientCertPattern, &kCertificatePatternSignature},
  76     {::onc::client_cert::kClientCertRef, &kStringSignature},
  77     {::onc::client_cert::kClientCertType, &kStringSignature},
  78     {::onc::ipsec::kGroup, &kStringSignature},
  79     {::onc::ipsec::kIKEVersion, &kIntegerSignature},
  80     {::onc::ipsec::kPSK, &kStringSignature},
  81     {::onc::vpn::kSaveCredentials, &kBoolSignature},
  82     // Used internally. Not officially supported.
  83     {::onc::ipsec::kServerCAPEMs, &kStringListSignature},
  84     {::onc::ipsec::kServerCARef, &kStringSignature},
  85     {::onc::ipsec::kServerCARefs, &kStringListSignature},
  86     {::onc::ipsec::kXAUTH, &kXAUTHSignature},
  87     // Not yet supported.
  88     //  { ipsec::kEAP, &kEAPSignature },
  89     {NULL}};
  90
  91 const OncFieldSignature xauth_fields[] = {
  92     {::onc::vpn::kPassword, &kStringSignature},
  93     {::onc::vpn::kUsername, &kStringSignature},
  94     {NULL}};
  95
  96 const OncFieldSignature l2tp_fields[] = {
  97     {::onc::kRecommended, &kRecommendedSignature},
  98     {::onc::l2tp::kPassword, &kStringSignature},
  99     {::onc::l2tp::kSaveCredentials, &kBoolSignature},
 100     {::onc::l2tp::kUsername, &kStringSignature},
 101     {::onc::l2tp::kLcpEchoDisabled, &kBoolSignature},
 102     {NULL}};
 103
 104 const OncFieldSignature openvpn_fields[] = {
 105     {::onc::kRecommended, &kRecommendedSignature},
 106     {::onc::openvpn::kAuth, &kStringSignature},
 107     {::onc::openvpn::kAuthNoCache, &kBoolSignature},
 108     {::onc::openvpn::kAuthRetry, &kStringSignature},
 109     {::onc::openvpn::kCipher, &kStringSignature},
 110     {::onc::client_cert::kClientCertPattern, &kCertificatePatternSignature},
 111     {::onc::client_cert::kClientCertRef, &kStringSignature},
 112     {::onc::client_cert::kClientCertType, &kStringSignature},
 113     {::onc::openvpn::kCompLZO, &kStringSignature},
 114     {::onc::openvpn::kCompNoAdapt, &kBoolSignature},
 115     {::onc::openvpn::kIgnoreDefaultRoute, &kBoolSignature},
 116     {::onc::openvpn::kKeyDirection, &kStringSignature},
 117     {::onc::openvpn::kNsCertType, &kStringSignature},
 118     {::onc::openvpn::kOTP, &kStringSignature},
 119     {::onc::openvpn::kPassword, &kStringSignature},
 120     {::onc::openvpn::kPort, &kIntegerSignature},
 121     {::onc::openvpn::kProto, &kStringSignature},
 122     {::onc::openvpn::kPushPeerInfo, &kBoolSignature},
 123     {::onc::openvpn::kRemoteCertEKU, &kStringSignature},
 124     {::onc::openvpn::kRemoteCertKU, &kStringListSignature},
 125     {::onc::openvpn::kRemoteCertTLS, &kStringSignature},
 126     {::onc::openvpn::kRenegSec, &kIntegerSignature},
 127     {::onc::vpn::kSaveCredentials, &kBoolSignature},
 128     // Used internally. Not officially supported.
 129     {::onc::openvpn::kServerCAPEMs, &kStringListSignature},
 130     {::onc::openvpn::kServerCARef, &kStringSignature},
 131     {::onc::openvpn::kServerCARefs, &kStringListSignature},
 132     // Not supported, yet.
 133     {::onc::openvpn::kServerCertPEM, &kStringSignature},
 134     {::onc::openvpn::kServerCertRef, &kStringSignature},
 135     {::onc::openvpn::kServerPollTimeout, &kIntegerSignature},
 136     {::onc::openvpn::kShaper, &kIntegerSignature},
 137     {::onc::openvpn::kStaticChallenge, &kStringSignature},
 138     {::onc::openvpn::kTLSAuthContents, &kStringSignature},
 139     {::onc::openvpn::kTLSRemote, &kStringSignature},
 140     {::onc::openvpn::kUserAuthenticationType, &kStringSignature},
 141     {::onc::vpn::kUsername, &kStringSignature},
 142     // Not supported, yet.
 143     {::onc::openvpn::kVerb, &kStringSignature},
 144     {::onc::openvpn::kVerifyHash, &kStringSignature},
 145     {::onc::openvpn::kVerifyX509, &kVerifyX509Signature},
 146     {NULL}};
 147
 148 const OncFieldSignature third_party_vpn_fields[] = {
 149     {::onc::kRecommended, &kRecommendedSignature},
 150     {::onc::third_party_vpn::kExtensionID, &kStringSignature},
 151     {NULL}};
 152
 153 const OncFieldSignature verify_x509_fields[] = {
 154     {::onc::verify_x509::kName, &kStringSignature},
 155     {::onc::verify_x509::kType, &kStringSignature},
 156     {NULL}};
 157
 158 const OncFieldSignature vpn_fields[] = {
 159     {::onc::kRecommended, &kRecommendedSignature},
 160     {::onc::vpn::kAutoConnect, &kBoolSignature},
 161     {::onc::vpn::kHost, &kStringSignature},
 162     {::onc::vpn::kIPsec, &kIPsecSignature},
 163     {::onc::vpn::kL2TP, &kL2TPSignature},
 164     {::onc::vpn::kOpenVPN, &kOpenVPNSignature},
 165     {::onc::vpn::kThirdPartyVpn, &kThirdPartyVPNSignature},
 166     {::onc::vpn::kType, &kStringSignature},
 167     {NULL}};
 168
 169 const OncFieldSignature ethernet_fields[] = {
 170     {::onc::kRecommended, &kRecommendedSignature},
 171     {::onc::ethernet::kAuthentication, &kStringSignature},
 172     {::onc::ethernet::kEAP, &kEAPSignature},
 173     {NULL}};
 174
 175 const OncFieldSignature ipconfig_fields[] = {
 176     {::onc::ipconfig::kGateway, &kStringSignature},
 177     {::onc::ipconfig::kIPAddress, &kStringSignature},
 178     {::onc::ipconfig::kNameServers, &kStringListSignature},
 179     {::onc::ipconfig::kRoutingPrefix, &kIntegerSignature},
 180     {::onc::ipconfig::kSearchDomains, &kStringListSignature},
 181     {::onc::ipconfig::kType, &kStringSignature},
 182     {::onc::ipconfig::kWebProxyAutoDiscoveryUrl, &kStringSignature},
 183     {NULL}};
 184
 185 const OncFieldSignature proxy_location_fields[] = {
 186     {::onc::proxy::kHost, &kStringSignature},
 187     {::onc::proxy::kPort, &kIntegerSignature},
 188     {NULL}};
 189
 190 const OncFieldSignature proxy_manual_fields[] = {
 191     {::onc::proxy::kFtp, &kProxyLocationSignature},
 192     {::onc::proxy::kHttp, &kProxyLocationSignature},
 193     {::onc::proxy::kHttps, &kProxyLocationSignature},
 194     {::onc::proxy::kSocks, &kProxyLocationSignature},
 195     {NULL}};
 196
 197 const OncFieldSignature proxy_settings_fields[] = {
 198     {::onc::kRecommended, &kRecommendedSignature},
 199     {::onc::proxy::kExcludeDomains, &kStringListSignature},
 200     {::onc::proxy::kManual, &kProxyManualSignature},
 201     {::onc::proxy::kPAC, &kStringSignature},
 202     {::onc::proxy::kType, &kStringSignature},
 203     {NULL}};
 204
 205 const OncFieldSignature wifi_fields[] = {
 206     {::onc::kRecommended, &kRecommendedSignature},
 207     {::onc::wifi::kAllowGatewayARPPolling, &kBoolSignature},
 208     {::onc::wifi::kAutoConnect, &kBoolSignature},
 209     {::onc::wifi::kEAP, &kEAPSignature},
 210     {::onc::wifi::kHexSSID, &kStringSignature},
 211     {::onc::wifi::kHiddenSSID, &kBoolSignature},
 212     {::onc::wifi::kPassphrase, &kStringSignature},
 213     {::onc::wifi::kSSID, &kStringSignature},
 214     {::onc::wifi::kSecurity, &kStringSignature},
 215     {NULL}};
 216
 217 const OncFieldSignature wifi_with_state_fields[] = {
 218     {::onc::wifi::kBSSID, &kStringSignature},
 219     {::onc::wifi::kFrequency, &kIntegerSignature},
 220     {::onc::wifi::kFrequencyList, &kIntegerListSignature},
 221     {::onc::wifi::kSignalStrength, &kIntegerSignature},
 222     {NULL}};
 223
 224 const OncFieldSignature wimax_fields[] = {
 225     {::onc::kRecommended, &kRecommendedSignature},
 226     {::onc::wimax::kAutoConnect, &kBoolSignature},
 227     {::onc::wimax::kEAP, &kEAPSignature},
 228     {NULL}};
 229
 230 const OncFieldSignature wimax_with_state_fields[] = {
 231     {::onc::wimax::kSignalStrength, &kIntegerSignature},
 232     {NULL}};
 233
 234 const OncFieldSignature cellular_provider_fields[] = {
 235     {::onc::cellular_provider::kCode, &kStringSignature},
 236     {::onc::cellular_provider::kCountry, &kStringSignature},
 237     {::onc::cellular_provider::kName, &kStringSignature},
 238     {NULL}};
 239
 240 const OncFieldSignature cellular_apn_fields[] = {
 241     {::onc::cellular_apn::kAccessPointName, &kStringSignature},
 242     {::onc::cellular_apn::kName, &kStringSignature},
 243     {::onc::cellular_apn::kUsername, &kStringSignature},
 244     {::onc::cellular_apn::kPassword, &kStringSignature},
 245     {::onc::cellular_apn::kLocalizedName, &kStringSignature},
 246     {::onc::cellular_apn::kLanguage, &kStringSignature},
 247     {NULL}};
 248
 249 const OncFieldSignature cellular_found_network_fields[] = {
 250     {::onc::cellular_found_network::kStatus, &kStringSignature},
 251     {::onc::cellular_found_network::kNetworkId, &kStringSignature},
 252     {::onc::cellular_found_network::kShortName, &kStringSignature},
 253     {::onc::cellular_found_network::kLongName, &kStringSignature},
 254     {::onc::cellular_found_network::kTechnology, &kStringSignature},
 255     {NULL}};
 256
 257 const OncFieldSignature sim_lock_status_fields[] = {
 258     {::onc::sim_lock_status::kLockEnabled, &kBoolSignature},
 259     {::onc::sim_lock_status::kLockType, &kStringSignature},
 260     {::onc::sim_lock_status::kRetriesLeft, &kDoubleSignature},
 261     {NULL}};
 262
 263 const OncFieldSignature cellular_fields[] = {
 264     {::onc::kRecommended, &kRecommendedSignature},
 265     {::onc::cellular::kAPN, &kCellularApnSignature},
 266     {::onc::cellular::kAPNList, &kCellularApnListSignature},
 267     {::onc::cellular::kCarrier, &kStringSignature},
 268     {::onc::cellular::kAutoConnect, &kBoolSignature},
 269     {NULL}};
 270
 271 const OncFieldSignature cellular_with_state_fields[] = {
 272     {::onc::cellular::kActivationType, &kStringSignature},
 273     {::onc::cellular::kActivationState, &kStringSignature},
 274     {::onc::cellular::kAllowRoaming, &kBoolSignature},
 275     {::onc::cellular::kESN, &kStringSignature},
 276     {::onc::cellular::kFamily, &kStringSignature},
 277     {::onc::cellular::kFirmwareRevision, &kStringSignature},
 278     {::onc::cellular::kFoundNetworks, &kCellularFoundNetworkListSignature},
 279     {::onc::cellular::kHardwareRevision, &kStringSignature},
 280     {::onc::cellular::kHomeProvider, &kCellularProviderSignature},
 281     {::onc::cellular::kICCID, &kStringSignature},
 282     {::onc::cellular::kIMEI, &kStringSignature},
 283     {::onc::cellular::kIMSI, &kStringSignature},
 284     {::onc::cellular::kLastGoodAPN, &kCellularApnSignature},
 285     {::onc::cellular::kManufacturer, &kStringSignature},
 286     {::onc::cellular::kMDN, &kStringSignature},
 287     {::onc::cellular::kMEID, &kStringSignature},
 288     {::onc::cellular::kMIN, &kStringSignature},
 289     {::onc::cellular::kModelID, &kStringSignature},
 290     {::onc::cellular::kNetworkTechnology, &kStringSignature},
 291     {::onc::cellular::kPRLVersion, &kIntegerSignature},
 292     {::onc::cellular::kRoamingState, &kStringSignature},
 293     {::onc::cellular::kServingOperator, &kCellularProviderSignature},
 294     {::onc::cellular::kSignalStrength, &kIntegerSignature},
 295     {::onc::cellular::kSIMLockStatus, &kSIMLockStatusSignature},
 296     {::onc::cellular::kSIMPresent, &kBoolSignature},
 297     {::onc::cellular::kSupportNetworkScan, &kBoolSignature},
 298     {::onc::cellular::kSupportedCarriers, &kStringListSignature},
 299     {NULL}};
 300
 301 const OncFieldSignature network_configuration_fields[] = {
 302     {::onc::network_config::kCellular, &kCellularSignature},
 303     {::onc::network_config::kEthernet, &kEthernetSignature},
 304     {::onc::network_config::kGUID, &kStringSignature},
 305     {::onc::network_config::kIPAddressConfigType, &kStringSignature},
 306     {::onc::network_config::kName, &kStringSignature},
 307     {::onc::network_config::kNameServersConfigType, &kStringSignature},
 308     {::onc::network_config::kPriority, &kIntegerSignature},
 309     {::onc::network_config::kProxySettings, &kProxySettingsSignature},
 310     {::onc::kRecommended, &kRecommendedSignature},
 311     {::onc::kRemove, &kBoolSignature},
 312     {::onc::network_config::kStaticIPConfig, &kStaticIPConfigSignature},
 313     {::onc::network_config::kType, &kStringSignature},
 314     {::onc::network_config::kVPN, &kVPNSignature},
 315     {::onc::network_config::kWiFi, &kWiFiSignature},
 316     {::onc::network_config::kWimax, &kWiMAXSignature},
 317     {NULL}};
 318
 319 const OncFieldSignature network_with_state_fields[] = {
 320     {::onc::network_config::kCellular, &kCellularWithStateSignature},
 321     {::onc::network_config::kConnectionState, &kStringSignature},
 322     {::onc::network_config::kConnectable, &kBoolSignature},
 323     {::onc::network_config::kErrorState, &kStringSignature},
 324     {::onc::network_config::kIPConfigs, &kIPConfigListSignature},
 325     {::onc::network_config::kMacAddress, &kStringSignature},
 326     {::onc::network_config::kRestrictedConnectivity, &kBoolSignature},
 327     {::onc::network_config::kSavedIPConfig, &kSavedIPConfigSignature},
 328     {::onc::network_config::kSource, &kStringSignature},
 329     {::onc::network_config::kWiFi, &kWiFiWithStateSignature},
 330     {::onc::network_config::kWimax, &kWiMAXWithStateSignature},
 331     {NULL}};
 332
 333 const OncFieldSignature global_network_configuration_fields[] = {
 334     {::onc::global_network_config::kAllowOnlyPolicyNetworksToAutoconnect,
 335      &kBoolSignature},
 336     {NULL}};
 337
 338 const OncFieldSignature certificate_fields[] = {
 339     {::onc::certificate::kGUID, &kStringSignature},
 340     {::onc::certificate::kPKCS12, &kStringSignature},
 341     {::onc::kRemove, &kBoolSignature},
 342     {::onc::certificate::kTrustBits, &kStringListSignature},
 343     {::onc::certificate::kType, &kStringSignature},
 344     {::onc::certificate::kX509, &kStringSignature},
 345     {NULL}};
 346
 347 const OncFieldSignature toplevel_configuration_fields[] = {
 348     {::onc::toplevel_config::kCertificates, &kCertificateListSignature},
 349     {::onc::toplevel_config::kNetworkConfigurations,
 350      &kNetworkConfigurationListSignature},
 351     {::onc::toplevel_config::kGlobalNetworkConfiguration,
 352      &kGlobalNetworkConfigurationSignature},
 353     {::onc::toplevel_config::kType, &kStringSignature},
 354     {::onc::encrypted::kCipher, &kStringSignature},
 355     {::onc::encrypted::kCiphertext, &kStringSignature},
 356     {::onc::encrypted::kHMAC, &kStringSignature},
 357     {::onc::encrypted::kHMACMethod, &kStringSignature},
 358     {::onc::encrypted::kIV, &kStringSignature},
 359     {::onc::encrypted::kIterations, &kIntegerSignature},
 360     {::onc::encrypted::kSalt, &kStringSignature},
 361     {::onc::encrypted::kStretch, &kStringSignature},
 362     {NULL}};
 363
 364 }  // namespace
 365
 366 const OncValueSignature kRecommendedSignature = {base::Value::TYPE_LIST,
 367                                                  NULL,
 368                                                  &kStringSignature};
 369 const OncValueSignature kEAPSignature = {base::Value::TYPE_DICTIONARY,
 370                                          eap_fields,
 371                                          NULL};
 372 const OncValueSignature kIssuerSubjectPatternSignature = {
 373     base::Value::TYPE_DICTIONARY,
 374     issuer_subject_pattern_fields,
 375     NULL};
 376 const OncValueSignature kCertificatePatternSignature = {
 377     base::Value::TYPE_DICTIONARY,
 378     certificate_pattern_fields,
 379     NULL};
 380 const OncValueSignature kIPsecSignature = {base::Value::TYPE_DICTIONARY,
 381                                            ipsec_fields,
 382                                            NULL};
 383 const OncValueSignature kXAUTHSignature = {base::Value::TYPE_DICTIONARY,
 384                                            xauth_fields,
 385                                            NULL};
 386 const OncValueSignature kL2TPSignature = {base::Value::TYPE_DICTIONARY,
 387                                           l2tp_fields,
 388                                           NULL};
 389 const OncValueSignature kOpenVPNSignature = {base::Value::TYPE_DICTIONARY,
 390                                              openvpn_fields,
 391                                              NULL};
 392 const OncValueSignature kThirdPartyVPNSignature = {base::Value::TYPE_DICTIONARY,
 393                                                    third_party_vpn_fields,
 394                                                    NULL};
 395 const OncValueSignature kVerifyX509Signature = {base::Value::TYPE_DICTIONARY,
 396                                                 verify_x509_fields,
 397                                                 NULL};
 398 const OncValueSignature kVPNSignature = {base::Value::TYPE_DICTIONARY,
 399                                          vpn_fields,
 400                                          NULL};
 401 const OncValueSignature kEthernetSignature = {base::Value::TYPE_DICTIONARY,
 402                                               ethernet_fields,
 403                                               NULL};
 404 const OncValueSignature kIPConfigSignature = {base::Value::TYPE_DICTIONARY,
 405                                               ipconfig_fields,
 406                                               NULL};
 407 const OncValueSignature kSavedIPConfigSignature = {base::Value::TYPE_DICTIONARY,
 408                                                    ipconfig_fields,
 409                                                    NULL};
 410 const OncValueSignature kStaticIPConfigSignature = {
 411     base::Value::TYPE_DICTIONARY,
 412     ipconfig_fields,
 413     NULL};
 414 const OncValueSignature kProxyLocationSignature = {base::Value::TYPE_DICTIONARY,
 415                                                    proxy_location_fields,
 416                                                    NULL};
 417 const OncValueSignature kProxyManualSignature = {base::Value::TYPE_DICTIONARY,
 418                                                  proxy_manual_fields,
 419                                                  NULL};
 420 const OncValueSignature kProxySettingsSignature = {base::Value::TYPE_DICTIONARY,
 421                                                    proxy_settings_fields,
 422                                                    NULL};
 423 const OncValueSignature kWiFiSignature = {base::Value::TYPE_DICTIONARY,
 424                                           wifi_fields,
 425                                           NULL};
 426 const OncValueSignature kWiMAXSignature = {base::Value::TYPE_DICTIONARY,
 427                                            wimax_fields,
 428                                            NULL};
 429 const OncValueSignature kCertificateSignature = {base::Value::TYPE_DICTIONARY,
 430                                                  certificate_fields,
 431                                                  NULL};
 432 const OncValueSignature kNetworkConfigurationSignature = {
 433     base::Value::TYPE_DICTIONARY,
 434     network_configuration_fields,
 435     NULL};
 436 const OncValueSignature kGlobalNetworkConfigurationSignature = {
 437     base::Value::TYPE_DICTIONARY,
 438     global_network_configuration_fields,
 439     NULL};
 440 const OncValueSignature kCertificateListSignature = {base::Value::TYPE_LIST,
 441                                                      NULL,
 442                                                      &kCertificateSignature};
 443 const OncValueSignature kNetworkConfigurationListSignature = {
 444     base::Value::TYPE_LIST,
 445     NULL,
 446     &kNetworkConfigurationSignature};
 447 const OncValueSignature kToplevelConfigurationSignature = {
 448     base::Value::TYPE_DICTIONARY,
 449     toplevel_configuration_fields,
 450     NULL};
 451
 452 // Derived "ONC with State" signatures.
 453 const OncValueSignature kNetworkWithStateSignature = {
 454     base::Value::TYPE_DICTIONARY,
 455     network_with_state_fields,
 456     NULL,
 457     &kNetworkConfigurationSignature};
 458 const OncValueSignature kWiFiWithStateSignature = {base::Value::TYPE_DICTIONARY,
 459                                                    wifi_with_state_fields,
 460                                                    NULL,
 461                                                    &kWiFiSignature};
 462 const OncValueSignature kWiMAXWithStateSignature = {
 463     base::Value::TYPE_DICTIONARY,
 464     wimax_with_state_fields,
 465     NULL,
 466     &kWiMAXSignature};
 467 const OncValueSignature kCellularSignature = {base::Value::TYPE_DICTIONARY,
 468                                               cellular_fields,
 469                                               NULL};
 470 const OncValueSignature kCellularWithStateSignature = {
 471     base::Value::TYPE_DICTIONARY,
 472     cellular_with_state_fields,
 473     NULL,
 474     &kCellularSignature};
 475 const OncValueSignature kCellularProviderSignature = {
 476     base::Value::TYPE_DICTIONARY,
 477     cellular_provider_fields,
 478     NULL};
 479 const OncValueSignature kCellularApnSignature = {base::Value::TYPE_DICTIONARY,
 480                                                  cellular_apn_fields,
 481                                                  NULL};
 482 const OncValueSignature kCellularFoundNetworkSignature = {
 483     base::Value::TYPE_DICTIONARY,
 484     cellular_found_network_fields,
 485     NULL};
 486 const OncValueSignature kSIMLockStatusSignature = {base::Value::TYPE_DICTIONARY,
 487                                                    sim_lock_status_fields,
 488                                                    NULL};
 489
 490 const OncFieldSignature* GetFieldSignature(const OncValueSignature& signature,
 491                                            const std::string& onc_field_name) {
 492   if (!signature.fields)
 493     return NULL;
 494   for (const OncFieldSignature* field_signature = signature.fields;
 495        field_signature->onc_field_name != NULL; ++field_signature) {
 496     if (onc_field_name == field_signature->onc_field_name)
 497       return field_signature;
 498   }
 499   if (signature.base_signature)
 500     return GetFieldSignature(*signature.base_signature, onc_field_name);
 501   return NULL;
 502 }
 503
 504 namespace {
 505
 506 struct CredentialEntry {
 507   const OncValueSignature* value_signature;
 508   const char* field_name;
 509 };
 510
 511 const CredentialEntry credentials[] = {
 512     {&kEAPSignature, ::onc::eap::kPassword},
 513     {&kIPsecSignature, ::onc::ipsec::kPSK},
 514     {&kXAUTHSignature, ::onc::vpn::kPassword},
 515     {&kL2TPSignature, ::onc::vpn::kPassword},
 516     {&kOpenVPNSignature, ::onc::vpn::kPassword},
 517     {&kOpenVPNSignature, ::onc::openvpn::kTLSAuthContents},
 518     {&kWiFiSignature, ::onc::wifi::kPassphrase},
 519     {&kCellularApnSignature, ::onc::cellular_apn::kPassword},
 520     {NULL}};
 521
 522 }  // namespace
 523
 524 bool FieldIsCredential(const OncValueSignature& signature,
 525                        const std::string& onc_field_name) {
 526   for (const CredentialEntry* entry = credentials;
 527        entry->value_signature != NULL; ++entry) {
 528     if (&signature == entry->value_signature &&
 529         onc_field_name == entry->field_name) {
 530       return true;
 531     }
 532   }
 533   return false;
 534 }
 535
 536 }  // namespace onc
 537 }  // namespace chromeos