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-rw-r--r--application/palemoon/components/preferences/security.xul6
-rw-r--r--modules/libpref/init/all.js2
-rw-r--r--security/manager/ssl/nsSiteSecurityService.cpp24
-rw-r--r--security/manager/ssl/nsSiteSecurityService.h1
4 files changed, 30 insertions, 3 deletions
diff --git a/application/palemoon/components/preferences/security.xul b/application/palemoon/components/preferences/security.xul
index b12946f2a..bc1625275 100644
--- a/application/palemoon/components/preferences/security.xul
+++ b/application/palemoon/components/preferences/security.xul
@@ -43,8 +43,8 @@
<!-- Security Protocols -->
- <preference id="network.stricttransportsecurity.preloadlist"
- name="network.stricttransportsecurity.preloadlist"
+ <preference id="network.stricttransportsecurity.enabled"
+ name="network.stricttransportsecurity.enabled"
type="bool"/>
<preference id="security.cert_pinning.enforcement_level"
name="security.cert_pinning.enforcement_level"
@@ -146,7 +146,7 @@
<checkbox id="enableHSTS"
label="&enableHSTS.label;"
accesskey="&enableHSTS.accesskey;"
- preference="network.stricttransportsecurity.preloadlist" />
+ preference="network.stricttransportsecurity.enabled" />
<checkbox id="enableHPKP"
label="&enableHPKP.label;"
accesskey="&enableHPKP.accesskey;"
diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index f6a993962..21e36bf16 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -2038,6 +2038,8 @@ pref("network.proxy.autoconfig_url.include_path", false);
pref("network.proxy.autoconfig_retry_interval_min", 5); // 5 seconds
pref("network.proxy.autoconfig_retry_interval_max", 300); // 5 minutes
+// Master switch for HSTS usage (security <-> privacy tradeoff)
+pref("network.stricttransportsecurity.enabled", true);
// Use the HSTS preload list by default
pref("network.stricttransportsecurity.preloadlist", true);
diff --git a/security/manager/ssl/nsSiteSecurityService.cpp b/security/manager/ssl/nsSiteSecurityService.cpp
index 1d79844ff..fc38f4e64 100644
--- a/security/manager/ssl/nsSiteSecurityService.cpp
+++ b/security/manager/ssl/nsSiteSecurityService.cpp
@@ -211,6 +211,7 @@ nsSiteSecurityService::nsSiteSecurityService()
: mMaxMaxAge(kSixtyDaysInSeconds)
, mUsePreloadList(true)
, mPreloadListTimeOffset(0)
+ , mUseStsService(true)
{
}
@@ -239,6 +240,10 @@ nsSiteSecurityService::Init()
"network.stricttransportsecurity.preloadlist", true);
mozilla::Preferences::AddStrongObserver(this,
"network.stricttransportsecurity.preloadlist");
+ mUseStsService = mozilla::Preferences::GetBool(
+ "network.stricttransportsecurity.enabled", true);
+ mozilla::Preferences::AddStrongObserver(this,
+ "network.stricttransportsecurity.enabled");
mProcessPKPHeadersFromNonBuiltInRoots = mozilla::Preferences::GetBool(
"security.cert_pinning.process_headers_from_non_builtin_roots", false);
mozilla::Preferences::AddStrongObserver(this,
@@ -335,6 +340,11 @@ nsSiteSecurityService::SetHSTSState(uint32_t aType,
aHSTSState == SecurityPropertyNegative),
"HSTS State must be SecurityPropertySet or SecurityPropertyNegative");
+ // Exit early if STS not enabled
+ if (!mUseStsService) {
+ return NS_OK;
+ }
+
int64_t expiretime = ExpireTimeFromMaxAge(maxage);
SiteHSTSState siteState(expiretime, aHSTSState, includeSubdomains);
nsAutoCString stateString;
@@ -922,6 +932,13 @@ nsSiteSecurityService::IsSecureURI(uint32_t aType, nsIURI* aURI,
nsAutoCString hostname;
nsresult rv = GetHost(aURI, hostname);
NS_ENSURE_SUCCESS(rv, rv);
+
+ // Exit early if STS not enabled
+ if (!mUseStsService) {
+ *aResult = false;
+ return NS_OK;
+ }
+
/* An IP address never qualifies as a secure URI. */
if (HostIsIPAddress(hostname.get())) {
*aResult = false;
@@ -980,6 +997,11 @@ nsSiteSecurityService::IsSecureHost(uint32_t aType, const char* aHost,
*aCached = false;
}
+ // Exit early if checking HSTS and STS not enabled
+ if (!mUseStsService && aType == nsISiteSecurityService::HEADER_HSTS) {
+ return NS_OK;
+ }
+
/* An IP address never qualifies as a secure URI. */
if (HostIsIPAddress(aHost)) {
return NS_OK;
@@ -1282,6 +1304,8 @@ nsSiteSecurityService::Observe(nsISupports *subject,
if (strcmp(topic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID) == 0) {
mUsePreloadList = mozilla::Preferences::GetBool(
"network.stricttransportsecurity.preloadlist", true);
+ mUseStsService = mozilla::Preferences::GetBool(
+ "network.stricttransportsecurity.enabled", true);
mPreloadListTimeOffset =
mozilla::Preferences::GetInt("test.currentTimeOffsetSeconds", 0);
mProcessPKPHeadersFromNonBuiltInRoots = mozilla::Preferences::GetBool(
diff --git a/security/manager/ssl/nsSiteSecurityService.h b/security/manager/ssl/nsSiteSecurityService.h
index c40180550..63afee377 100644
--- a/security/manager/ssl/nsSiteSecurityService.h
+++ b/security/manager/ssl/nsSiteSecurityService.h
@@ -150,6 +150,7 @@ private:
uint64_t mMaxMaxAge;
bool mUsePreloadList;
+ bool mUseStsService;
int64_t mPreloadListTimeOffset;
bool mProcessPKPHeadersFromNonBuiltInRoots;
RefPtr<mozilla::DataStorage> mSiteStateStorage;