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Merge remote-tracking branch 'origin/tracking' into custom

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roytam1 2022-09-22 10:19:31 +08:00
commit 968135355d
7 changed files with 128 additions and 40 deletions
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3
dom/html/HTMLFormElement.cpp
View file

@ -1721,7 +1721,8 @@ HTMLFormElement::GetActionURL(nsIURI** aActionURL,
// policy - do *not* consult default-src, see:
// http://www.w3.org/TR/CSP2/#directive-default-src
rv = csp->Permits(actionURL, nsIContentSecurityPolicy::FORM_ACTION_DIRECTIVE,
true, &permitsFormAction);
true /*aSpecific */, true /* aSendViolationReports */,
&permitsFormAction);
NS_ENSURE_SUCCESS(rv, rv);
if (!permitsFormAction) {
return NS_ERROR_CSP_FORM_ACTION_VIOLATION;

3
dom/html/HTMLSharedElement.cpp
View file

@ -191,7 +191,8 @@ SetBaseURIUsingFirstBaseWithHref(nsIDocument* aDocument, nsIContent* aMustMatch)
// http://www.w3.org/TR/CSP2/#directive-default-src
bool cspPermitsBaseURI = true;
rv = csp->Permits(newBaseURI, nsIContentSecurityPolicy::BASE_URI_DIRECTIVE,
true, &cspPermitsBaseURI);
true /* aSpecific */, true /* aSendViolationReports */,
&cspPermitsBaseURI);
if (NS_FAILED(rv) || !cspPermitsBaseURI) {
newBaseURI = nullptr;
}

11
dom/interfaces/security/nsIContentSecurityPolicy.idl
View file

@ -252,9 +252,6 @@ interface nsIContentSecurityPolicy : nsISerializable
/**
* Checks if a specific directive permits loading of a URI.
*
* NOTE: Calls to this may trigger violation reports when queried, so the
* return value should not be cached.
*
* @param aURI
* The URI about to be loaded or used.
* @param aDir
@ -266,11 +263,17 @@ interface nsIContentSecurityPolicy : nsISerializable
* "false" allows CSP to fall back to default-src. This function
* behaves the same for both values of canUseDefault when querying
* directives that don't fall-back.
* @param aSendViolationReports
* If `true` and the uri is not allowed then trigger violation reports.
* This should be `false` for caching or preloads.
* @return
* Whether or not the provided URI is allowed by CSP under the given
* directive. (block the pending operation if false).
*/
boolean permits(in nsIURI aURI, in CSPDirective aDir, in boolean aSpecific);
boolean permits(in nsIURI aURI,
in CSPDirective aDir,
in boolean aSpecific,
in boolean aSendViolationReports);
/**
* Delegate method called by the service when sub-elements of the protected

7
dom/security/nsCSPContext.cpp
View file

@ -1309,6 +1309,7 @@ NS_IMETHODIMP
nsCSPContext::Permits(nsIURI* aURI,
CSPDirective aDir,
bool aSpecific,
bool aSendViolationReports,
bool* outPermits)
{
// Can't perform check without aURI
@ -1323,13 +1324,13 @@ nsCSPContext::Permits(nsIURI* aURI,
false, // not redirected.
false, // not a preload.
aSpecific,
true, // send violation reports
aSendViolationReports,
true, // send blocked URI in violation reports
false); // not parser created
if (CSPCONTEXTLOGENABLED()) {
CSPCONTEXTLOG(("nsCSPContext::Permits, aUri: %s, aDir: %d, isAllowed: %s",
aURI->GetSpecOrDefault().get(), aDir,
CSPCONTEXTLOG(("nsCSPContext::Permits, aUri: %s, aDir: %s, isAllowed: %s",
aURI->GetSpecOrDefault().get(), CSP_CSPDirectiveToString(aDir),
*outPermits ? "allow" : "deny"));
}

87
netwerk/cookie/nsCookieService.cpp
View file

@ -3344,6 +3344,10 @@ nsCookieService::SetCookieInternal(nsIURI *aHostURI,
COOKIE_LOGFAILURE(SET_COOKIE, aHostURI, savedCookieHeader, "failed the path tests");
return newCookie;
}
if (!CheckHiddenPrefix(cookieAttributes)) {
COOKIE_LOGFAILURE(SET_COOKIE, aHostURI, savedCookieHeader, "failed the CheckHiddenPrefix tests");
return newCookie;
}
// magic prefix checks. MUST be run after CheckDomain() and CheckPath()
if (!CheckPrefixes(cookieAttributes, isHTTPS)) {
COOKIE_LOGFAILURE(SET_COOKIE, aHostURI, savedCookieHeader, "failed the prefix tests");
@ -4042,7 +4046,7 @@ nsCookieService::CheckPrefs(nsIURI *aHostURI,
// processes domain attribute, and returns true if host has permission to set for this domain.
bool
nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
nsCookieService::CheckDomain(nsCookieAttributes &aCookie,
nsIURI *aHostURI,
const nsCString &aBaseDomain,
bool aRequireHostMatch)
@ -4057,15 +4061,15 @@ nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
aHostURI->GetAsciiHost(hostFromURI);
// if a domain is given, check the host has permission
if (!aCookieAttributes.host.IsEmpty()) {
if (!aCookie.host.IsEmpty()) {
// Tolerate leading '.' characters, but not if it's otherwise an empty host.
if (aCookieAttributes.host.Length() > 1 &&
aCookieAttributes.host.First() == '.') {
aCookieAttributes.host.Cut(0, 1);
if (aCookie.host.Length() > 1 &&
aCookie.host.First() == '.') {
aCookie.host.Cut(0, 1);
}
// switch to lowercase now, to avoid case-insensitive compares everywhere
ToLowerCase(aCookieAttributes.host);
ToLowerCase(aCookie.host);
// check whether the host is either an IP address, an alias such as
// 'localhost', an eTLD such as 'co.uk', or the empty string. in these
@ -4073,14 +4077,14 @@ nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
// as a non-domain one. bug 105917 originally noted the requirement to deal
// with IP addresses.
if (aRequireHostMatch)
return hostFromURI.Equals(aCookieAttributes.host);
return hostFromURI.Equals(aCookie.host);
// ensure the proposed domain is derived from the base domain; and also
// that the host domain is derived from the proposed domain (per RFC2109).
if (IsSubdomainOf(aCookieAttributes.host, aBaseDomain) &&
IsSubdomainOf(hostFromURI, aCookieAttributes.host)) {
if (IsSubdomainOf(aCookie.host, aBaseDomain) &&
IsSubdomainOf(hostFromURI, aCookie.host)) {
// prepend a dot to indicate a domain cookie
aCookieAttributes.host.Insert(NS_LITERAL_CSTRING("."), 0);
aCookie.host.Insert(NS_LITERAL_CSTRING("."), 0);
return true;
}
@ -4095,7 +4099,7 @@ nsCookieService::CheckDomain(nsCookieAttributes &aCookieAttributes,
}
// no domain specified, use hostFromURI
aCookieAttributes.host = hostFromURI;
aCookie.host = hostFromURI;
return true;
}
@ -4121,12 +4125,12 @@ GetPathFromURI(nsIURI* aHostURI)
}
bool
nsCookieService::CheckPath(nsCookieAttributes &aCookieAttributes,
nsCookieService::CheckPath(nsCookieAttributes &aCookie,
nsIURI *aHostURI)
{
// if a path is given, check the host has permission
if (aCookieAttributes.path.IsEmpty() || aCookieAttributes.path.First() != '/') {
aCookieAttributes.path = GetPathFromURI(aHostURI);
if (aCookie.path.IsEmpty() || aCookie.path.First() != '/') {
aCookie.path = GetPathFromURI(aHostURI);
#if 0
} else {
@ -4139,19 +4143,42 @@ nsCookieService::CheckPath(nsCookieAttributes &aCookieAttributes,
// get path from aHostURI
nsAutoCString pathFromURI;
if (NS_FAILED(aHostURI->GetPath(pathFromURI)) ||
!StringBeginsWith(pathFromURI, aCookieAttributes.path)) {
!StringBeginsWith(pathFromURI, aCookie.path)) {
return false;
}
#endif
}
if (aCookieAttributes.path.Length() > kMaxBytesPerPath ||
aCookieAttributes.path.Contains('\t'))
if (aCookie.path.Length() > kMaxBytesPerPath ||
aCookie.path.Contains('\t'))
return false;
return true;
}
bool
nsCookieService::CheckHiddenPrefix(nsCookieAttributes &aCookie) {
// If a cookie is nameless, then its value must not start with
// `__Host-` or `__Secure-`
if (aCookie.name.Length() != 0) {
return true;
}
static const char kSecure[] = "__Secure-";
static const char kHost[] = "__Host-";
static const int kSecureLen = sizeof( kSecure ) - 1;
static const int kHostLen = sizeof( kHost ) - 1;
bool isSecure = strncmp( aCookie.value.get(), kSecure, kSecureLen ) == 0;
bool isHost = strncmp( aCookie.value.get(), kHost, kHostLen ) == 0;
if (isSecure || isHost) {
return false;
}
return true;
}
// CheckPrefixes
//
// Reject cookies whose name starts with the magic prefixes from
@ -4161,7 +4188,7 @@ nsCookieService::CheckPath(nsCookieAttributes &aCookieAttributes,
// Must not be called until after CheckDomain() and CheckPath() have
// regularized and validated the nsCookieAttributes values!
bool
nsCookieService::CheckPrefixes(nsCookieAttributes &aCookieAttributes,
nsCookieService::CheckPrefixes(nsCookieAttributes &aCookie,
bool aSecureRequest)
{
static const char kSecure[] = "__Secure-";
@ -4169,15 +4196,15 @@ nsCookieService::CheckPrefixes(nsCookieAttributes &aCookieAttributes,
static const int kSecureLen = sizeof( kSecure ) - 1;
static const int kHostLen = sizeof( kHost ) - 1;
bool isSecure = strncmp( aCookieAttributes.name.get(), kSecure, kSecureLen ) == 0;
bool isHost = strncmp( aCookieAttributes.name.get(), kHost, kHostLen ) == 0;
bool isSecure = strncmp( aCookie.value.get(), kSecure, kSecureLen ) == 0;
bool isHost = strncmp( aCookie.value.get(), kHost, kHostLen ) == 0;
if ( !isSecure && !isHost ) {
// not one of the magic prefixes: carry on
return true;
}
if ( !aSecureRequest || !aCookieAttributes.isSecure ) {
if ( !aSecureRequest || !aCookie.isSecure ) {
// the magic prefixes may only be used from a secure request and
// the secure attribute must be set on the cookie
return false;
@ -4190,8 +4217,8 @@ nsCookieService::CheckPrefixes(nsCookieAttributes &aCookieAttributes,
// them. In particular all explicit domain attributes result in a host
// that starts with a dot, and if the host doesn't start with a dot it
// correctly matches the true host.
if ( aCookieAttributes.host[0] == '.' ||
!aCookieAttributes.path.EqualsLiteral( "/" )) {
if ( aCookie.host[0] == '.' ||
!aCookie.path.EqualsLiteral( "/" )) {
return false;
}
}
@ -4200,7 +4227,7 @@ nsCookieService::CheckPrefixes(nsCookieAttributes &aCookieAttributes,
}
bool
nsCookieService::GetExpiry(nsCookieAttributes &aCookieAttributes,
nsCookieService::GetExpiry(nsCookieAttributes &aCookie,
int64_t aServerTime,
int64_t aCurrentTime)
{
@ -4212,10 +4239,10 @@ nsCookieService::GetExpiry(nsCookieAttributes &aCookieAttributes,
* Note: We need to consider accounting for network lag here, per RFC.
*/
// check for max-age attribute first; this overrides expires attribute
if (!aCookieAttributes.maxage.IsEmpty()) {
if (!aCookie.maxage.IsEmpty()) {
// obtain numeric value of maxageAttribute
int64_t maxage;
int32_t numInts = PR_sscanf(aCookieAttributes.maxage.get(), "%lld", &maxage);
int32_t numInts = PR_sscanf(aCookie.maxage.get(), "%lld", &maxage);
// default to session cookie if the conversion failed
if (numInts != 1) {
@ -4224,14 +4251,14 @@ nsCookieService::GetExpiry(nsCookieAttributes &aCookieAttributes,
// if this addition overflows, expiryTime will be less than currentTime
// and the cookie will be expired - that's okay.
aCookieAttributes.expiryTime = aCurrentTime + maxage;
aCookie.expiryTime = aCurrentTime + maxage;
// check for expires attribute
} else if (!aCookieAttributes.expires.IsEmpty()) {
} else if (!aCookie.expires.IsEmpty()) {
PRTime expires;
// parse expiry time
if (PR_ParseTimeString(aCookieAttributes.expires.get(), true, &expires) != PR_SUCCESS) {
if (PR_ParseTimeString(aCookie.expires.get(), true, &expires) != PR_SUCCESS) {
return true;
}
@ -4240,7 +4267,7 @@ nsCookieService::GetExpiry(nsCookieAttributes &aCookieAttributes,
// Because if current time be set in the future, but the cookie expire
// time be set less than current time and more than server time.
// The cookie item have to be used to the expired cookie.
aCookieAttributes.expiryTime = expires / int64_t(PR_USEC_PER_SEC);
aCookie.expiryTime = expires / int64_t(PR_USEC_PER_SEC);
// default to session cookie if no attributes found
} else {

1
netwerk/cookie/nsCookieService.h
View file

@ -307,6 +307,7 @@ class nsCookieService final : public nsICookieService
CookieStatus CheckPrefs(nsIURI *aHostURI, bool aIsForeign, const char *aCookieHeader);
bool CheckDomain(nsCookieAttributes &aCookie, nsIURI *aHostURI, const nsCString &aBaseDomain, bool aRequireHostMatch);
static bool CheckPath(nsCookieAttributes &aCookie, nsIURI *aHostURI);
static bool CheckHiddenPrefix(nsCookieAttributes &aCookie);
static bool CheckPrefixes(nsCookieAttributes &aCookie, bool aSecureRequest);
static bool GetExpiry(nsCookieAttributes &aCookie, int64_t aServerTime, int64_t aCurrentTime);
void RemoveAllFromMemory();

56
parser/html/nsHtml5TreeOpExecutor.cpp
View file

@ -1018,9 +1018,63 @@ nsHtml5TreeOpExecutor::SetSpeculationBase(const nsAString& aURL)
return;
}
const nsCString& charset = mDocument->GetDocumentCharacterSet();
DebugOnly<nsresult> rv = NS_NewURI(getter_AddRefs(mSpeculationBaseURI), aURL,
nsCOMPtr<nsIURI> newBaseURI;
nsresult rv = NS_NewURI(getter_AddRefs(newBaseURI), aURL,
charset.get(), mDocument->GetDocumentURI());
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "Failed to create a URI");
if (!newBaseURI) {
return;
}
if (!CSPService::sCSPEnabled) {
// If CSP is not enabled, just pass back the URI
mSpeculationBaseURI = newBaseURI;
return;
}
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsCOMPtr<nsIPrincipal> principal = mDocument->NodePrincipal();
nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(mDocument);
// Check the document's CSP usually delivered via the CSP header.
nsCOMPtr<nsIContentSecurityPolicy> documentCsp;
rv = principal->EnsureCSP(domDoc, getter_AddRefs(documentCsp));
NS_ENSURE_SUCCESS_VOID(rv);
if (documentCsp) {
// base-uri should not fallback to the default-src and preloads should not
// trigger violation reports.
bool cspPermitsBaseURI = true;
rv = documentCsp->Permits(
newBaseURI,
nsIContentSecurityPolicy::BASE_URI_DIRECTIVE,
true /* aSpecific */,
false /* aSendViolationReports */,
&cspPermitsBaseURI);
if (NS_FAILED(rv) || !cspPermitsBaseURI) {
return;
}
}
// Also check the CSP discovered from the <meta> tag during speculative
// parsing.
nsCOMPtr<nsIContentSecurityPolicy> preloadCsp;
rv = principal->EnsurePreloadCSP(domDoc, getter_AddRefs(preloadCsp));
NS_ENSURE_SUCCESS_VOID(rv);
if (preloadCsp) {
bool cspPermitsBaseURI = true;
rv = preloadCsp->Permits(
newBaseURI,
nsIContentSecurityPolicy::BASE_URI_DIRECTIVE,
true /* aSpecific */,
false /* aSendViolationReports */,
&cspPermitsBaseURI);
if (NS_FAILED(rv) || !cspPermitsBaseURI) {
return;
}
}
mSpeculationBaseURI = newBaseURI;
}
void