net: add certificate provenance checking.

BUG=none
TEST=none

http://codereview.chromium.org/4448001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@65116 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 19 insertions, 0 deletions

diff --git a/net/base/ssl_config_service.cc b/net/base/ssl_config_service.cc
index 46fce20..cdfa4d3 100644
--- a/net/base/ssl_config_service.cc
+++ b/net/base/ssl_config_service.cc
@@ -95,6 +95,7 @@ static bool g_dnssec_enabled = false;
 static bool g_false_start_enabled = true;
 static bool g_mitm_proxies_allowed = false;
 static bool g_snap_start_enabled = false;
+static bool g_dns_cert_provenance_checking = false;
 
 // static
 void SSLConfigService::SetSSLConfigFlags(SSLConfig* ssl_config) {
@@ -102,6 +103,8 @@ void SSLConfigService::SetSSLConfigFlags(SSLConfig* ssl_config) {
   ssl_config->false_start_enabled = g_false_start_enabled;
   ssl_config->mitm_proxies_allowed = g_mitm_proxies_allowed;
   ssl_config->snap_start_enabled = g_snap_start_enabled;
+  ssl_config->dns_cert_provenance_checking_enabled =
+      g_dns_cert_provenance_checking;
 }
 
 // static
@@ -144,6 +147,16 @@ bool SSLConfigService::mitm_proxies_allowed() {
   return g_mitm_proxies_allowed;
 }
 
+// static
+void SSLConfigService::EnableDNSCertProvenanceChecking() {
+  g_dns_cert_provenance_checking = true;
+}
+
+// static
+bool SSLConfigService::dns_cert_provenance_checking_enabled() {
+  return g_dns_cert_provenance_checking;
+}
+
 void SSLConfigService::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
 }
diff --git a/net/base/ssl_config_service.h b/net/base/ssl_config_service.h
index 0ab88b2..be50097 100644
--- a/net/base/ssl_config_service.h
+++ b/net/base/ssl_config_service.h
@@ -28,6 +28,8 @@ struct SSLConfig {
   bool tls1_enabled;  // True if TLS 1.0 is enabled.
   bool dnssec_enabled;  // True if we'll accept DNSSEC chains in certificates.
   bool snap_start_enabled;  // True if we'll try Snap Start handshakes.
+  // True if we'll do async checks for certificate provenance using DNS.
+  bool dns_cert_provenance_checking_enabled;
 
   // True if we allow this connection to be MITM attacked. This sounds a little
   // worse than it is: large networks sometimes MITM attack all SSL connections
@@ -144,6 +146,10 @@ class SSLConfigService : public base::RefCountedThreadSafe<SSLConfigService> {
   // True if we use False Start for SSL and TLS.
   static bool false_start_enabled();
 
+  // Enables DNS side checks for certificates.
+  static void EnableDNSCertProvenanceChecking();
+  static bool dns_cert_provenance_checking_enabled();
+
   // Add an observer of this service.
   void AddObserver(Observer* observer);