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https://github.com/mozilla/gecko-dev.git
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883849ee32
This patch was automatically generated using the following script:
function convert() {
echo "Converting $1 to $2..."
find . \
! -wholename "*/.git*" \
! -wholename "obj-ff-dbg*" \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert MOZ_OVERRIDE override
convert MOZ_FINAL final
579 lines
16 KiB
C++
579 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsIIdentityCryptoService.h"
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#include "mozilla/ModuleUtils.h"
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#include "nsServiceManagerUtils.h"
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#include "nsNSSShutDown.h"
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#include "nsIThread.h"
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#include "nsThreadUtils.h"
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#include "nsCOMPtr.h"
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#include "nsProxyRelease.h"
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#include "nsString.h"
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#include "mozilla/ArrayUtils.h" // ArrayLength
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#include "mozilla/Base64.h"
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#include "ScopedNSSTypes.h"
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#include "NSSErrorsService.h"
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#include "nss.h"
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#include "pk11pub.h"
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#include "secmod.h"
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#include "secerr.h"
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#include "keyhi.h"
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#include "cryptohi.h"
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#include <limits.h>
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using namespace mozilla;
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namespace {
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void
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HexEncode(const SECItem * it, nsACString & result)
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{
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const char * digits = "0123456789ABCDEF";
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result.SetCapacity((it->len * 2) + 1);
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result.SetLength(it->len * 2);
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char * p = result.BeginWriting();
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for (unsigned int i = 0; i < it->len; ++i) {
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*p++ = digits[it->data[i] >> 4];
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*p++ = digits[it->data[i] & 0x0f];
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}
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}
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nsresult
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Base64UrlEncodeImpl(const nsACString & utf8Input, nsACString & result)
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{
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nsresult rv = Base64Encode(utf8Input, result);
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NS_ENSURE_SUCCESS(rv, rv);
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nsACString::char_type * out = result.BeginWriting();
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nsACString::size_type length = result.Length();
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// base64url encoding is defined in RFC 4648. It replaces the last two
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// alphabet characters of base64 encoding with '-' and '_' respectively.
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for (unsigned int i = 0; i < length; ++i) {
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if (out[i] == '+') {
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out[i] = '-';
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} else if (out[i] == '/') {
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out[i] = '_';
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}
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}
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return NS_OK;
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}
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#define DSA_KEY_TYPE_STRING (NS_LITERAL_CSTRING("DS160"))
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#define RSA_KEY_TYPE_STRING (NS_LITERAL_CSTRING("RS256"))
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class KeyPair : public nsIIdentityKeyPair, public nsNSSShutDownObject
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIIDENTITYKEYPAIR
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KeyPair(SECKEYPrivateKey* aPrivateKey, SECKEYPublicKey* aPublicKey);
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private:
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~KeyPair()
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{
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nsNSSShutDownPreventionLock locker;
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if (isAlreadyShutDown()) {
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return;
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}
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destructorSafeDestroyNSSReference();
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shutdown(calledFromObject);
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}
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void virtualDestroyNSSReference() override
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{
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destructorSafeDestroyNSSReference();
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}
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void destructorSafeDestroyNSSReference()
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{
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SECKEY_DestroyPrivateKey(mPrivateKey);
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mPrivateKey = nullptr;
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SECKEY_DestroyPublicKey(mPublicKey);
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mPublicKey = nullptr;
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}
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SECKEYPrivateKey * mPrivateKey;
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SECKEYPublicKey * mPublicKey;
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KeyPair(const KeyPair &) = delete;
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void operator=(const KeyPair &) = delete;
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};
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NS_IMPL_ISUPPORTS(KeyPair, nsIIdentityKeyPair)
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class KeyGenRunnable : public nsRunnable, public nsNSSShutDownObject
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{
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public:
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NS_DECL_NSIRUNNABLE
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KeyGenRunnable(KeyType keyType, nsIIdentityKeyGenCallback * aCallback);
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private:
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~KeyGenRunnable()
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{
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nsNSSShutDownPreventionLock locker;
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if (isAlreadyShutDown()) {
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return;
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}
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destructorSafeDestroyNSSReference();
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shutdown(calledFromObject);
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}
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virtual void virtualDestroyNSSReference() override
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{
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destructorSafeDestroyNSSReference();
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}
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void destructorSafeDestroyNSSReference()
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{
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}
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const KeyType mKeyType; // in
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nsMainThreadPtrHandle<nsIIdentityKeyGenCallback> mCallback; // in
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nsresult mRv; // out
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nsCOMPtr<nsIIdentityKeyPair> mKeyPair; // out
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KeyGenRunnable(const KeyGenRunnable &) = delete;
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void operator=(const KeyGenRunnable &) = delete;
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};
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class SignRunnable : public nsRunnable, public nsNSSShutDownObject
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{
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public:
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NS_DECL_NSIRUNNABLE
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SignRunnable(const nsACString & textToSign, SECKEYPrivateKey * privateKey,
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nsIIdentitySignCallback * aCallback);
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private:
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~SignRunnable()
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{
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nsNSSShutDownPreventionLock locker;
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if (isAlreadyShutDown()) {
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return;
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}
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destructorSafeDestroyNSSReference();
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shutdown(calledFromObject);
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}
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void virtualDestroyNSSReference() override
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{
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destructorSafeDestroyNSSReference();
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}
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void destructorSafeDestroyNSSReference()
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{
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SECKEY_DestroyPrivateKey(mPrivateKey);
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mPrivateKey = nullptr;
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}
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const nsCString mTextToSign; // in
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SECKEYPrivateKey* mPrivateKey; // in
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nsMainThreadPtrHandle<nsIIdentitySignCallback> mCallback; // in
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nsresult mRv; // out
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nsCString mSignature; // out
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private:
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SignRunnable(const SignRunnable &) = delete;
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void operator=(const SignRunnable &) = delete;
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};
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class IdentityCryptoService final : public nsIIdentityCryptoService
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIIDENTITYCRYPTOSERVICE
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IdentityCryptoService() { }
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nsresult Init()
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{
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nsresult rv;
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nsCOMPtr<nsISupports> dummyUsedToEnsureNSSIsInitialized
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= do_GetService("@mozilla.org/psm;1", &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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private:
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~IdentityCryptoService() { }
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IdentityCryptoService(const KeyPair &) = delete;
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void operator=(const IdentityCryptoService &) = delete;
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};
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NS_IMPL_ISUPPORTS(IdentityCryptoService, nsIIdentityCryptoService)
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NS_IMETHODIMP
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IdentityCryptoService::GenerateKeyPair(
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const nsACString & keyTypeString, nsIIdentityKeyGenCallback * callback)
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{
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KeyType keyType;
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if (keyTypeString.Equals(RSA_KEY_TYPE_STRING)) {
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keyType = rsaKey;
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} else if (keyTypeString.Equals(DSA_KEY_TYPE_STRING)) {
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keyType = dsaKey;
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} else {
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return NS_ERROR_UNEXPECTED;
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}
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nsCOMPtr<nsIRunnable> r = new KeyGenRunnable(keyType, callback);
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nsCOMPtr<nsIThread> thread;
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nsresult rv = NS_NewThread(getter_AddRefs(thread), r);
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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NS_IMETHODIMP
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IdentityCryptoService::Base64UrlEncode(const nsACString & utf8Input,
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nsACString & result)
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{
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return Base64UrlEncodeImpl(utf8Input, result);
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}
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KeyPair::KeyPair(SECKEYPrivateKey * privateKey, SECKEYPublicKey * publicKey)
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: mPrivateKey(privateKey)
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, mPublicKey(publicKey)
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{
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MOZ_ASSERT(!NS_IsMainThread());
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}
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NS_IMETHODIMP
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KeyPair::GetHexRSAPublicKeyExponent(nsACString & result)
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{
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MOZ_ASSERT(NS_IsMainThread());
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NS_ENSURE_TRUE(mPublicKey, NS_ERROR_NOT_AVAILABLE);
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NS_ENSURE_TRUE(mPublicKey->keyType == rsaKey, NS_ERROR_NOT_AVAILABLE);
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HexEncode(&mPublicKey->u.rsa.publicExponent, result);
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return NS_OK;
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}
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NS_IMETHODIMP
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KeyPair::GetHexRSAPublicKeyModulus(nsACString & result)
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{
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MOZ_ASSERT(NS_IsMainThread());
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NS_ENSURE_TRUE(mPublicKey, NS_ERROR_NOT_AVAILABLE);
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NS_ENSURE_TRUE(mPublicKey->keyType == rsaKey, NS_ERROR_NOT_AVAILABLE);
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HexEncode(&mPublicKey->u.rsa.modulus, result);
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return NS_OK;
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}
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NS_IMETHODIMP
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KeyPair::GetHexDSAPrime(nsACString & result)
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{
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MOZ_ASSERT(NS_IsMainThread());
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NS_ENSURE_TRUE(mPublicKey, NS_ERROR_NOT_AVAILABLE);
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NS_ENSURE_TRUE(mPublicKey->keyType == dsaKey, NS_ERROR_NOT_AVAILABLE);
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HexEncode(&mPublicKey->u.dsa.params.prime, result);
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return NS_OK;
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}
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NS_IMETHODIMP
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KeyPair::GetHexDSASubPrime(nsACString & result)
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{
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MOZ_ASSERT(NS_IsMainThread());
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NS_ENSURE_TRUE(mPublicKey, NS_ERROR_NOT_AVAILABLE);
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NS_ENSURE_TRUE(mPublicKey->keyType == dsaKey, NS_ERROR_NOT_AVAILABLE);
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HexEncode(&mPublicKey->u.dsa.params.subPrime, result);
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return NS_OK;
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}
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NS_IMETHODIMP
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KeyPair::GetHexDSAGenerator(nsACString & result)
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{
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MOZ_ASSERT(NS_IsMainThread());
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NS_ENSURE_TRUE(mPublicKey, NS_ERROR_NOT_AVAILABLE);
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NS_ENSURE_TRUE(mPublicKey->keyType == dsaKey, NS_ERROR_NOT_AVAILABLE);
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HexEncode(&mPublicKey->u.dsa.params.base, result);
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return NS_OK;
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}
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NS_IMETHODIMP
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KeyPair::GetHexDSAPublicValue(nsACString & result)
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{
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MOZ_ASSERT(NS_IsMainThread());
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NS_ENSURE_TRUE(mPublicKey, NS_ERROR_NOT_AVAILABLE);
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NS_ENSURE_TRUE(mPublicKey->keyType == dsaKey, NS_ERROR_NOT_AVAILABLE);
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HexEncode(&mPublicKey->u.dsa.publicValue, result);
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return NS_OK;
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}
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NS_IMETHODIMP
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KeyPair::GetKeyType(nsACString & result)
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{
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MOZ_ASSERT(NS_IsMainThread());
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NS_ENSURE_TRUE(mPublicKey, NS_ERROR_NOT_AVAILABLE);
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switch (mPublicKey->keyType) {
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case rsaKey: result = RSA_KEY_TYPE_STRING; return NS_OK;
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case dsaKey: result = DSA_KEY_TYPE_STRING; return NS_OK;
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default: return NS_ERROR_UNEXPECTED;
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}
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}
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NS_IMETHODIMP
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KeyPair::Sign(const nsACString & textToSign,
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nsIIdentitySignCallback* callback)
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsCOMPtr<nsIRunnable> r = new SignRunnable(textToSign, mPrivateKey,
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callback);
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nsCOMPtr<nsIThread> thread;
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nsresult rv = NS_NewThread(getter_AddRefs(thread), r);
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return rv;
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}
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KeyGenRunnable::KeyGenRunnable(KeyType keyType,
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nsIIdentityKeyGenCallback * callback)
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: mKeyType(keyType)
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, mCallback(new nsMainThreadPtrHolder<nsIIdentityKeyGenCallback>(callback))
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, mRv(NS_ERROR_NOT_INITIALIZED)
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{
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}
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MOZ_WARN_UNUSED_RESULT nsresult
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GenerateKeyPair(PK11SlotInfo * slot,
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SECKEYPrivateKey ** privateKey,
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SECKEYPublicKey ** publicKey,
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CK_MECHANISM_TYPE mechanism,
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void * params)
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{
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*publicKey = nullptr;
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*privateKey = PK11_GenerateKeyPair(slot, mechanism, params, publicKey,
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PR_FALSE /*isPerm*/,
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PR_TRUE /*isSensitive*/,
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nullptr /*&pwdata*/);
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if (!*privateKey) {
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MOZ_ASSERT(!*publicKey);
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return mozilla::psm::GetXPCOMFromNSSError(PR_GetError());
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}
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if (!*publicKey) {
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SECKEY_DestroyPrivateKey(*privateKey);
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*privateKey = nullptr;
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MOZ_CRASH("PK11_GnerateKeyPair returned private key without public key");
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}
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return NS_OK;
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}
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MOZ_WARN_UNUSED_RESULT nsresult
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GenerateRSAKeyPair(PK11SlotInfo * slot,
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SECKEYPrivateKey ** privateKey,
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SECKEYPublicKey ** publicKey)
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{
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MOZ_ASSERT(!NS_IsMainThread());
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PK11RSAGenParams rsaParams;
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rsaParams.keySizeInBits = 2048;
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rsaParams.pe = 0x10001;
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return GenerateKeyPair(slot, privateKey, publicKey, CKM_RSA_PKCS_KEY_PAIR_GEN,
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&rsaParams);
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}
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MOZ_WARN_UNUSED_RESULT nsresult
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GenerateDSAKeyPair(PK11SlotInfo * slot,
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SECKEYPrivateKey ** privateKey,
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SECKEYPublicKey ** publicKey)
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{
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MOZ_ASSERT(!NS_IsMainThread());
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// XXX: These could probably be static const arrays, but this way we avoid
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// compiler warnings and also we avoid having to worry much about whether the
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// functions that take these inputs will (unexpectedly) modify them.
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// Using NIST parameters. Some other BrowserID components require that these
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// exact parameters are used.
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uint8_t P[] = {
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0xFF,0x60,0x04,0x83,0xDB,0x6A,0xBF,0xC5,0xB4,0x5E,0xAB,0x78,
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0x59,0x4B,0x35,0x33,0xD5,0x50,0xD9,0xF1,0xBF,0x2A,0x99,0x2A,
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0x7A,0x8D,0xAA,0x6D,0xC3,0x4F,0x80,0x45,0xAD,0x4E,0x6E,0x0C,
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0x42,0x9D,0x33,0x4E,0xEE,0xAA,0xEF,0xD7,0xE2,0x3D,0x48,0x10,
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0xBE,0x00,0xE4,0xCC,0x14,0x92,0xCB,0xA3,0x25,0xBA,0x81,0xFF,
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0x2D,0x5A,0x5B,0x30,0x5A,0x8D,0x17,0xEB,0x3B,0xF4,0xA0,0x6A,
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0x34,0x9D,0x39,0x2E,0x00,0xD3,0x29,0x74,0x4A,0x51,0x79,0x38,
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0x03,0x44,0xE8,0x2A,0x18,0xC4,0x79,0x33,0x43,0x8F,0x89,0x1E,
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0x22,0xAE,0xEF,0x81,0x2D,0x69,0xC8,0xF7,0x5E,0x32,0x6C,0xB7,
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0x0E,0xA0,0x00,0xC3,0xF7,0x76,0xDF,0xDB,0xD6,0x04,0x63,0x8C,
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0x2E,0xF7,0x17,0xFC,0x26,0xD0,0x2E,0x17
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};
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uint8_t Q[] = {
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0xE2,0x1E,0x04,0xF9,0x11,0xD1,0xED,0x79,0x91,0x00,0x8E,0xCA,
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0xAB,0x3B,0xF7,0x75,0x98,0x43,0x09,0xC3
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};
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uint8_t G[] = {
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0xC5,0x2A,0x4A,0x0F,0xF3,0xB7,0xE6,0x1F,0xDF,0x18,0x67,0xCE,
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0x84,0x13,0x83,0x69,0xA6,0x15,0x4F,0x4A,0xFA,0x92,0x96,0x6E,
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0x3C,0x82,0x7E,0x25,0xCF,0xA6,0xCF,0x50,0x8B,0x90,0xE5,0xDE,
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0x41,0x9E,0x13,0x37,0xE0,0x7A,0x2E,0x9E,0x2A,0x3C,0xD5,0xDE,
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0xA7,0x04,0xD1,0x75,0xF8,0xEB,0xF6,0xAF,0x39,0x7D,0x69,0xE1,
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0x10,0xB9,0x6A,0xFB,0x17,0xC7,0xA0,0x32,0x59,0x32,0x9E,0x48,
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0x29,0xB0,0xD0,0x3B,0xBC,0x78,0x96,0xB1,0x5B,0x4A,0xDE,0x53,
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0xE1,0x30,0x85,0x8C,0xC3,0x4D,0x96,0x26,0x9A,0xA8,0x90,0x41,
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0xF4,0x09,0x13,0x6C,0x72,0x42,0xA3,0x88,0x95,0xC9,0xD5,0xBC,
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0xCA,0xD4,0xF3,0x89,0xAF,0x1D,0x7A,0x4B,0xD1,0x39,0x8B,0xD0,
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0x72,0xDF,0xFA,0x89,0x62,0x33,0x39,0x7A
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};
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static_assert(MOZ_ARRAY_LENGTH(P) == 1024 / CHAR_BIT, "bad DSA P");
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static_assert(MOZ_ARRAY_LENGTH(Q) == 160 / CHAR_BIT, "bad DSA Q");
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static_assert(MOZ_ARRAY_LENGTH(G) == 1024 / CHAR_BIT, "bad DSA G");
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PQGParams pqgParams = {
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nullptr /*arena*/,
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{ siBuffer, P, static_cast<unsigned int>(mozilla::ArrayLength(P)) },
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{ siBuffer, Q, static_cast<unsigned int>(mozilla::ArrayLength(Q)) },
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{ siBuffer, G, static_cast<unsigned int>(mozilla::ArrayLength(G)) }
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};
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return GenerateKeyPair(slot, privateKey, publicKey, CKM_DSA_KEY_PAIR_GEN,
|
|
&pqgParams);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
KeyGenRunnable::Run()
|
|
{
|
|
if (!NS_IsMainThread()) {
|
|
nsNSSShutDownPreventionLock locker;
|
|
if (isAlreadyShutDown()) {
|
|
mRv = NS_ERROR_NOT_AVAILABLE;
|
|
} else {
|
|
// We always want to use the internal slot for BrowserID; in particular,
|
|
// we want to avoid smartcard slots.
|
|
PK11SlotInfo *slot = PK11_GetInternalSlot();
|
|
if (!slot) {
|
|
mRv = NS_ERROR_UNEXPECTED;
|
|
} else {
|
|
SECKEYPrivateKey *privk = nullptr;
|
|
SECKEYPublicKey *pubk = nullptr;
|
|
|
|
switch (mKeyType) {
|
|
case rsaKey:
|
|
mRv = GenerateRSAKeyPair(slot, &privk, &pubk);
|
|
break;
|
|
case dsaKey:
|
|
mRv = GenerateDSAKeyPair(slot, &privk, &pubk);
|
|
break;
|
|
default:
|
|
MOZ_CRASH("unknown key type");
|
|
}
|
|
|
|
PK11_FreeSlot(slot);
|
|
|
|
if (NS_SUCCEEDED(mRv)) {
|
|
MOZ_ASSERT(privk);
|
|
MOZ_ASSERT(pubk);
|
|
// mKeyPair will take over ownership of privk and pubk
|
|
mKeyPair = new KeyPair(privk, pubk);
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_DispatchToMainThread(this);
|
|
} else {
|
|
// Back on Main Thread
|
|
(void) mCallback->GenerateKeyPairFinished(mRv, mKeyPair);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
SignRunnable::SignRunnable(const nsACString & aText,
|
|
SECKEYPrivateKey * privateKey,
|
|
nsIIdentitySignCallback * aCallback)
|
|
: mTextToSign(aText)
|
|
, mPrivateKey(SECKEY_CopyPrivateKey(privateKey))
|
|
, mCallback(new nsMainThreadPtrHolder<nsIIdentitySignCallback>(aCallback))
|
|
, mRv(NS_ERROR_NOT_INITIALIZED)
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
SignRunnable::Run()
|
|
{
|
|
if (!NS_IsMainThread()) {
|
|
nsNSSShutDownPreventionLock locker;
|
|
if (isAlreadyShutDown()) {
|
|
mRv = NS_ERROR_NOT_AVAILABLE;
|
|
} else {
|
|
// We need the output in PKCS#11 format, not DER encoding, so we must use
|
|
// PK11_HashBuf and PK11_Sign instead of SEC_SignData.
|
|
|
|
SECItem sig = { siBuffer, nullptr, 0 };
|
|
int sigLength = PK11_SignatureLen(mPrivateKey);
|
|
if (sigLength <= 0) {
|
|
mRv = mozilla::psm::GetXPCOMFromNSSError(PR_GetError());
|
|
} else if (!SECITEM_AllocItem(nullptr, &sig, sigLength)) {
|
|
mRv = mozilla::psm::GetXPCOMFromNSSError(PR_GetError());
|
|
} else {
|
|
uint8_t hash[32]; // big enough for SHA-1 or SHA-256
|
|
SECOidTag hashAlg = mPrivateKey->keyType == dsaKey ? SEC_OID_SHA1
|
|
: SEC_OID_SHA256;
|
|
SECItem hashItem = { siBuffer, hash,
|
|
hashAlg == SEC_OID_SHA1 ? 20u : 32u };
|
|
|
|
mRv = MapSECStatus(PK11_HashBuf(hashAlg, hash,
|
|
const_cast<uint8_t*>(reinterpret_cast<const uint8_t *>(
|
|
mTextToSign.get())),
|
|
mTextToSign.Length()));
|
|
if (NS_SUCCEEDED(mRv)) {
|
|
mRv = MapSECStatus(PK11_Sign(mPrivateKey, &sig, &hashItem));
|
|
}
|
|
if (NS_SUCCEEDED(mRv)) {
|
|
nsDependentCSubstring sigString(
|
|
reinterpret_cast<const char*>(sig.data), sig.len);
|
|
mRv = Base64UrlEncodeImpl(sigString, mSignature);
|
|
}
|
|
SECITEM_FreeItem(&sig, false);
|
|
}
|
|
}
|
|
|
|
NS_DispatchToMainThread(this);
|
|
} else {
|
|
// Back on Main Thread
|
|
(void) mCallback->SignFinished(mRv, mSignature);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// XPCOM module registration
|
|
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(IdentityCryptoService, Init)
|
|
|
|
#define NS_IDENTITYCRYPTOSERVICE_CID \
|
|
{0xbea13a3a, 0x44e8, 0x4d7f, {0xa0, 0xa2, 0x2c, 0x67, 0xf8, 0x4e, 0x3a, 0x97}}
|
|
|
|
NS_DEFINE_NAMED_CID(NS_IDENTITYCRYPTOSERVICE_CID);
|
|
|
|
const mozilla::Module::CIDEntry kCIDs[] = {
|
|
{ &kNS_IDENTITYCRYPTOSERVICE_CID, false, nullptr, IdentityCryptoServiceConstructor },
|
|
{ nullptr }
|
|
};
|
|
|
|
const mozilla::Module::ContractIDEntry kContracts[] = {
|
|
{ "@mozilla.org/identity/crypto-service;1", &kNS_IDENTITYCRYPTOSERVICE_CID },
|
|
{ nullptr }
|
|
};
|
|
|
|
const mozilla::Module kModule = {
|
|
mozilla::Module::kVersion,
|
|
kCIDs,
|
|
kContracts
|
|
};
|
|
|
|
} // unnamed namespace
|
|
|
|
NSMODULE_DEFN(identity) = &kModule;
|