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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// This protobuffer is intended to store reports from Chrome users of
// certificate errors. A report will be sent from Chrome when it gets
// e.g. a certificate for google.com that chains up to a root CA not expected by
// Chrome for that origin, such as DigiNotar (compromised in July 2011), or
// other pinning errors such as a blacklisted cert in the chain, or
// (when opted in) other certificate validation errors like an expired
// cert. The report from the user will include the hostname being accessed,
// the full certificate chain (in PEM format), and the
// timestamp of when the client tried to access the site. A response is
// generated by the frontend and logged, including validation and error checking
// done on the client's input data.
syntax = "proto2";
// Chrome requires this.
option optimize_for = LITE_RUNTIME;
package certificate_reporting;
// Protocol types
message CertLoggerInterstitialInfo {
// The different reasons that an SSL warning interstitial could be shown to
// a user.
enum InterstitialReason {
UNKNOWN_INTERSTITIAL_REASON = 0;
// A standard SSL interstitial
INTERSTITIAL_SSL = 1;
// An interstitial alerting the user that they are in a captive portal
INTERSTITIAL_CAPTIVE_PORTAL = 2;
// An interstitial telling the user to update their system clock
INTERSTITIAL_CLOCK = 3;
}
// The type of interstitial that was shown
optional InterstitialReason interstitial_reason = 1;
// True if the user clicked through to the offending website
optional bool user_proceeded = 2;
// True if the user was shown an option to click through
optional bool overridable = 3;
}
message CertLoggerRequest {
// The hostname being accessed (required as the cert could be valid for
// multiple hosts, e.g. a wildcard or a SubjectAltName.
required string hostname = 1;
// The certificate chain as a series of PEM-encoded certificates, including
// intermediates but not necessarily the root.
required string cert_chain = 2;
// The time (in usec since the epoch) when the client attempted to access the
// site generating the pinning error.
required int64 time_usec = 3;
// public_key_hash contains the string forms of the hashes calculated for
// the chain. (I.e. "sha1/<base64 data>".)
repeated string public_key_hash = 4;
// pin contains the string forms of the pins that were matched against for
// this host.
repeated string pin = 5;
enum CertError {
UNKNOWN_CERT_ERROR = 0;
ERR_CERT_REVOKED = 1;
ERR_CERT_INVALID = 2;
ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN = 3;
ERR_CERT_AUTHORITY_INVALID = 4;
ERR_CERT_COMMON_NAME_INVALID = 5;
ERR_CERT_NAME_CONSTRAINT_VIOLATION = 6;
ERR_CERT_WEAK_SIGNATURE_ALGORITHM = 7;
ERR_CERT_WEAK_KEY = 8;
ERR_CERT_DATE_INVALID = 9;
ERR_CERT_VALIDITY_TOO_LONG = 10;
ERR_CERT_UNABLE_TO_CHECK_REVOCATION = 11;
ERR_CERT_NO_REVOCATION_MECHANISM = 12;
ERR_CERT_NON_UNIQUE_NAME = 13;
};
// Certificate errors encountered (if any) when validating this
// certificate chain.
repeated CertError cert_error = 6;
// Information about the interstitial that was shown to the user for
// this certificate error.
optional CertLoggerInterstitialInfo interstitial_info = 7;
// The unverified certificate chain as received by the client, as a
// series of PEM-encoded certificates. Can be different than
// |cert_chain|, which is the chain the client built during
// verification.
optional string unverified_cert_chain = 8;
};
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