deleted file mode 100644
--- a/ipc/keystore/KeyStore.cpp
+++ /dev/null
@@ -1,986 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set sw=2 ts=2 et ft=cpp: tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include <fcntl.h>
-#include <limits.h>
-#include <pwd.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#if defined(MOZ_WIDGET_GONK)
-#include <android/log.h>
-#define KEYSTORE_LOG(args...) __android_log_print(ANDROID_LOG_INFO, "Gonk", args)
-#else
-#define KEYSTORE_LOG(args...) printf(args);
-#endif
-
-#include "KeyStore.h"
-#include "jsfriendapi.h"
-#include "KeyStoreConnector.h"
-#include "MainThreadUtils.h" // For NS_IsMainThread.
-#include "nsICryptoHash.h"
-
-#include "plbase64.h"
-#include "certdb.h"
-#include "ScopedNSSTypes.h"
-
-using namespace mozilla::ipc;
-#if ANDROID_VERSION >= 18
-// After Android 4.3, it uses binder to access keystore instead of unix socket.
-#include <android/log.h>
-#include <binder/BinderService.h>
-#include <binder/IPCThreadState.h>
-#include <binder/IServiceManager.h>
-#include <security/keystore/include/keystore/IKeystoreService.h>
-#include <security/keystore/include/keystore/keystore.h>
-
-using namespace android;
-
-namespace android {
-// This class is used to make compiler happy.
-class BpKeystoreService : public BpInterface<IKeystoreService>
-{
-public:
- BpKeystoreService(const sp<IBinder>& impl)
- : BpInterface<IKeystoreService>(impl)
- {
- }
-
- virtual int32_t get(const String16& name, uint8_t** item, size_t* itemLength) {return 0;}
- virtual int32_t test() {return 0;}
- virtual int32_t insert(const String16& name, const uint8_t* item, size_t itemLength, int uid, int32_t flags) {return 0;}
- virtual int32_t del(const String16& name, int uid) {return 0;}
- virtual int32_t exist(const String16& name, int uid) {return 0;}
- virtual int32_t saw(const String16& name, int uid, Vector<String16>* matches) {return 0;}
- virtual int32_t reset() {return 0;}
- virtual int32_t password(const String16& password) {return 0;}
- virtual int32_t lock() {return 0;}
- virtual int32_t unlock(const String16& password) {return 0;}
- virtual int32_t zero() {return 0;}
- virtual int32_t import(const String16& name, const uint8_t* data, size_t length, int uid, int32_t flags) {return 0;}
- virtual int32_t sign(const String16& name, const uint8_t* data, size_t length, uint8_t** out, size_t* outLength) {return 0;}
- virtual int32_t verify(const String16& name, const uint8_t* data, size_t dataLength, const uint8_t* signature, size_t signatureLength) {return 0;}
- virtual int32_t get_pubkey(const String16& name, uint8_t** pubkey, size_t* pubkeyLength) {return 0;}
- virtual int32_t del_key(const String16& name, int uid) {return 0;}
- virtual int32_t grant(const String16& name, int32_t granteeUid) {return 0;}
- virtual int32_t ungrant(const String16& name, int32_t granteeUid) {return 0;}
- virtual int64_t getmtime(const String16& name) {return 0;}
- virtual int32_t duplicate(const String16& srcKey, int32_t srcUid, const String16& destKey, int32_t destUid) {return 0;}
- virtual int32_t clear_uid(int64_t uid) {return 0;}
-#if ANDROID_VERSION >= 21
- virtual int32_t generate(const String16& name, int32_t uid, int32_t keyType, int32_t keySize, int32_t flags, Vector<sp<KeystoreArg> >* args) {return 0;}
- virtual int32_t is_hardware_backed(const String16& keyType) {return 0;}
- virtual int32_t reset_uid(int32_t uid) {return 0;}
- virtual int32_t sync_uid(int32_t sourceUid, int32_t targetUid) {return 0;}
- virtual int32_t password_uid(const String16& password, int32_t uid) {return 0;}
-#elif ANDROID_VERSION == 18
- virtual int32_t generate(const String16& name, int uid, int32_t flags) {return 0;}
- virtual int32_t is_hardware_backed() {return 0;}
-#else
- virtual int32_t generate(const String16& name, int32_t uid, int32_t keyType, int32_t keySize, int32_t flags, Vector<sp<KeystoreArg> >* args) {return 0;}
- virtual int32_t is_hardware_backed(const String16& keyType) {return 0;}
-#endif
-};
-
-IMPLEMENT_META_INTERFACE(KeystoreService, "android.security.keystore");
-
-// Here comes binder requests.
-status_t BnKeystoreService::onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
- switch(code) {
- case TEST: {
- CHECK_INTERFACE(IKeystoreService, data, reply);
- reply->writeNoException();
- reply->writeInt32(test());
- return NO_ERROR;
- } break;
- case GET: {
- CHECK_INTERFACE(IKeystoreService, data, reply);
- String16 name = data.readString16();
- String8 tmp(name);
- uint8_t* data = NULL;
- size_t dataLength = 0;
- int32_t ret = get(name, &data, &dataLength);
-
- reply->writeNoException();
- if (ret == 1) {
- reply->writeInt32(dataLength);
- void* buf = reply->writeInplace(dataLength);
- memcpy(buf, data, dataLength);
- free(data);
- } else {
- reply->writeInt32(-1);
- }
- return NO_ERROR;
- } break;
- case GET_PUBKEY: {
- CHECK_INTERFACE(IKeystoreService, data, reply);
- String16 name = data.readString16();
- uint8_t* data = nullptr;
- size_t dataLength = 0;
- int32_t ret = get_pubkey(name, &data, &dataLength);
-
- reply->writeNoException();
- if (dataLength > 0 && data != nullptr) {
- reply->writeInt32(dataLength);
- void* buf = reply->writeInplace(dataLength);
- memcpy(buf, data, dataLength);
- free(data);
- } else {
- reply->writeInt32(-1);
- }
- reply->writeInt32(ret);
- return NO_ERROR;
- } break;
- case SIGN: {
- CHECK_INTERFACE(IKeystoreService, data, reply);
- String16 name = data.readString16();
- ssize_t signDataSize = data.readInt32();
- const uint8_t *signData = nullptr;
- if (signDataSize >= 0 && (size_t)signDataSize <= data.dataAvail()) {
- signData = (const uint8_t *)data.readInplace(signDataSize);
- }
-
- uint8_t *signResult = nullptr;
- size_t signResultSize;
- int32_t ret = sign(name, signData, (size_t)signDataSize, &signResult,
- &signResultSize);
-
- reply->writeNoException();
- if (signResultSize > 0 && signResult != nullptr) {
- reply->writeInt32(signResultSize);
- void* buf = reply->writeInplace(signResultSize);
- memcpy(buf, signResult, signResultSize);
- free(signResult);
- } else {
- reply->writeInt32(-1);
- }
- reply->writeInt32(ret);
- return NO_ERROR;
- } break;
- default:
- return NO_ERROR;
- }
-}
-
-// Provide service for binder.
-class KeyStoreService : public BnKeystoreService
- , public nsNSSShutDownObject
-{
-public:
- int32_t test() {
- uid_t callingUid = IPCThreadState::self()->getCallingUid();
- if (!mozilla::ipc::checkPermission(callingUid)) {
- return ::PERMISSION_DENIED;
- }
-
- return ::NO_ERROR;
- }
-
- int32_t get(const String16& name, uint8_t** item, size_t* itemLength) {
- nsNSSShutDownPreventionLock locker;
- if (isAlreadyShutDown()) {
- return ::SYSTEM_ERROR;
- }
-
- uid_t callingUid = IPCThreadState::self()->getCallingUid();
- if (!mozilla::ipc::checkPermission(callingUid)) {
- return ::PERMISSION_DENIED;
- }
-
- String8 certName(name);
- if (!strncmp(certName.string(), "WIFI_USERKEY_", 13)) {
- return getPrivateKey(certName.string(), (const uint8_t**)item, itemLength);
- }
-
- return getCertificate(certName.string(), (const uint8_t**)item, itemLength);
- }
-
- int32_t insert(const String16& name, const uint8_t* item, size_t itemLength, int uid, int32_t flags) {return ::UNDEFINED_ACTION;}
- int32_t del(const String16& name, int uid) {return ::UNDEFINED_ACTION;}
- int32_t exist(const String16& name, int uid) {return ::UNDEFINED_ACTION;}
- int32_t saw(const String16& name, int uid, Vector<String16>* matches) {return ::UNDEFINED_ACTION;}
- int32_t reset() {return ::UNDEFINED_ACTION;}
- int32_t password(const String16& password) {return ::UNDEFINED_ACTION;}
- int32_t lock() {return ::UNDEFINED_ACTION;}
- int32_t unlock(const String16& password) {return ::UNDEFINED_ACTION;}
- int32_t zero() {return ::UNDEFINED_ACTION;}
- int32_t import(const String16& name, const uint8_t* data, size_t length, int uid, int32_t flags) {return ::UNDEFINED_ACTION;}
- int32_t sign(const String16& name, const uint8_t* data, size_t length, uint8_t** out, size_t* outLength)
- {
- nsNSSShutDownPreventionLock locker;
- if (isAlreadyShutDown()) {
- return ::SYSTEM_ERROR;
- }
-
- uid_t callingUid = IPCThreadState::self()->getCallingUid();
- if (!mozilla::ipc::checkPermission(callingUid)) {
- return ::PERMISSION_DENIED;
- }
-
- if (data == nullptr) {
- return ::SYSTEM_ERROR;
- }
-
- String8 keyName(name);
- if (!strncmp(keyName.string(), "WIFI_USERKEY_", 13)) {
- return signData(keyName.string(), data, length, out, outLength);
- }
-
- return ::UNDEFINED_ACTION;
- }
-
- int32_t verify(const String16& name, const uint8_t* data, size_t dataLength, const uint8_t* signature, size_t signatureLength) {return ::UNDEFINED_ACTION;}
- int32_t get_pubkey(const String16& name, uint8_t** pubkey, size_t* pubkeyLength) {
- nsNSSShutDownPreventionLock locker;
- if (isAlreadyShutDown()) {
- return ::SYSTEM_ERROR;
- }
-
- uid_t callingUid = IPCThreadState::self()->getCallingUid();
- if (!mozilla::ipc::checkPermission(callingUid)) {
- return ::PERMISSION_DENIED;
- }
-
- String8 keyName(name);
- if (!strncmp(keyName.string(), "WIFI_USERKEY_", 13)) {
- return getPublicKey(keyName.string(), (const uint8_t**)pubkey, pubkeyLength);
- }
-
- return ::UNDEFINED_ACTION;
- }
-
- int32_t del_key(const String16& name, int uid) {return ::UNDEFINED_ACTION;}
- int32_t grant(const String16& name, int32_t granteeUid) {return ::UNDEFINED_ACTION;}
- int32_t ungrant(const String16& name, int32_t granteeUid) {return ::UNDEFINED_ACTION;}
- int64_t getmtime(const String16& name) {return ::UNDEFINED_ACTION;}
- int32_t duplicate(const String16& srcKey, int32_t srcUid, const String16& destKey, int32_t destUid) {return ::UNDEFINED_ACTION;}
- int32_t clear_uid(int64_t uid) {return ::UNDEFINED_ACTION;}
-#if ANDROID_VERSION >= 21
- virtual int32_t generate(const String16& name, int32_t uid, int32_t keyType, int32_t keySize, int32_t flags, Vector<sp<KeystoreArg> >* args) {return ::UNDEFINED_ACTION;}
- virtual int32_t is_hardware_backed(const String16& keyType) {return ::UNDEFINED_ACTION;}
- virtual int32_t reset_uid(int32_t uid) {return ::UNDEFINED_ACTION;;}
- virtual int32_t sync_uid(int32_t sourceUid, int32_t targetUid) {return ::UNDEFINED_ACTION;}
- virtual int32_t password_uid(const String16& password, int32_t uid) {return ::UNDEFINED_ACTION;}
-#elif ANDROID_VERSION == 18
- virtual int32_t generate(const String16& name, int uid, int32_t flags) {return ::UNDEFINED_ACTION;}
- virtual int32_t is_hardware_backed() {return ::UNDEFINED_ACTION;}
-#else
- virtual int32_t generate(const String16& name, int32_t uid, int32_t keyType, int32_t keySize, int32_t flags, Vector<sp<KeystoreArg> >* args) {return ::UNDEFINED_ACTION;}
- virtual int32_t is_hardware_backed(const String16& keyType) {return ::UNDEFINED_ACTION;}
-#endif
-
-protected:
- virtual void virtualDestroyNSSReference() {}
-
-private:
- ~KeyStoreService() {
- nsNSSShutDownPreventionLock locker;
- if (isAlreadyShutDown()) {
- return;
- }
- shutdown(ShutdownCalledFrom::Object);
- }
-};
-
-} // namespace android
-
-void startKeyStoreService()
-{
- android::sp<android::IServiceManager> sm = android::defaultServiceManager();
- android::sp<android::KeyStoreService> keyStoreService = new android::KeyStoreService();
- sm->addService(String16("android.security.keystore"), keyStoreService);
-}
-#else
-void startKeyStoreService() { return; }
-#endif
-
-static const char *CA_BEGIN = "-----BEGIN ",
- *CA_END = "-----END ",
- *CA_TAILER = "-----\n";
-
-namespace mozilla {
-namespace ipc {
-
-static const char* KEYSTORE_ALLOWED_USERS[] = {
- "root",
- "wifi",
- NULL
-};
-static const char* KEYSTORE_ALLOWED_PREFIXES[] = {
- "WIFI_SERVERCERT_",
- "WIFI_USERCERT_",
- "WIFI_USERKEY_",
- NULL
-};
-
-// Transform base64 certification data into DER format
-void
-FormatCaData(const char *aCaData, int aCaDataLength,
- const char *aName, const uint8_t **aFormatData,
- size_t *aFormatDataLength)
-{
- size_t bufSize = strlen(CA_BEGIN) + strlen(CA_END) + strlen(CA_TAILER) * 2 +
- strlen(aName) * 2 + aCaDataLength + aCaDataLength/CA_LINE_SIZE
- + 2;
- char *buf = (char *)malloc(bufSize);
- if (!buf) {
- *aFormatData = nullptr;
- return;
- }
-
- *aFormatDataLength = bufSize;
- *aFormatData = (const uint8_t *)buf;
-
- char *ptr = buf;
- size_t len;
-
- // Create DER header.
- len = snprintf(ptr, bufSize, "%s%s%s", CA_BEGIN, aName, CA_TAILER);
- ptr += len;
- bufSize -= len;
-
- // Split base64 data in lines.
- int copySize;
- while (aCaDataLength > 0) {
- copySize = (aCaDataLength > CA_LINE_SIZE) ? CA_LINE_SIZE : aCaDataLength;
-
- memcpy(ptr, aCaData, copySize);
- ptr += copySize;
- aCaData += copySize;
- aCaDataLength -= copySize;
- bufSize -= copySize;
-
- *ptr = '\n';
- ptr++;
- bufSize--;
- }
-
- // Create DEA tailer.
- snprintf(ptr, bufSize, "%s%s%s", CA_END, aName, CA_TAILER);
-}
-
-ResponseCode
-getCertificate(const char *aCertName, const uint8_t **aCertData,
- size_t *aCertDataLength)
-{
- // certificate name prefix check.
- if (!aCertName) {
- return KEY_NOT_FOUND;
- }
-
- const char **prefix = KEYSTORE_ALLOWED_PREFIXES;
- for (; *prefix; prefix++ ) {
- if (!strncmp(*prefix, aCertName, strlen(*prefix))) {
- break;
- }
- }
- if (!(*prefix)) {
- return KEY_NOT_FOUND;
- }
-
- // Get cert from NSS by name
- ScopedCERTCertificate cert(CERT_FindCertByNickname(CERT_GetDefaultCertDB(),
- aCertName));
-
- if (!cert) {
- return KEY_NOT_FOUND;
- }
-
- char *certDER = PL_Base64Encode((const char *)cert->derCert.data,
- cert->derCert.len, nullptr);
- if (!certDER) {
- return SYSTEM_ERROR;
- }
-
- FormatCaData(certDER, strlen(certDER), "CERTIFICATE", aCertData,
- aCertDataLength);
- PL_strfree(certDER);
-
- if (!(*aCertData)) {
- return SYSTEM_ERROR;
- }
-
- return SUCCESS;
-}
-
-ResponseCode getPrivateKey(const char *aKeyName, const uint8_t **aKeyData,
- size_t *aKeyDataLength)
-{
- *aKeyData = nullptr;
- // Get corresponding user certificate nickname
- char userCertName[128] = {0};
- snprintf(userCertName, sizeof(userCertName) - 1, "WIFI_USERCERT_%s", aKeyName + 13);
-
- // Get private key from user certificate.
- ScopedCERTCertificate userCert(
- CERT_FindCertByNickname(CERT_GetDefaultCertDB(), userCertName));
- if (!userCert) {
- return KEY_NOT_FOUND;
- }
-
- ScopedSECKEYPrivateKey privateKey(
- PK11_FindKeyByAnyCert(userCert.get(), nullptr));
- if (!privateKey) {
- return KEY_NOT_FOUND;
- }
-
- // Export private key in PKCS#12 encrypted format, no password.
- unsigned char pwstr[] = {0, 0};
- SECItem password = {siBuffer, pwstr, sizeof(pwstr)};
- ScopedSECKEYEncryptedPrivateKeyInfo encryptedPrivateKey(
- PK11_ExportEncryptedPrivKeyInfo(privateKey->pkcs11Slot,
- SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC4, &password, privateKey, 1,
- privateKey->wincx));
-
- if (!encryptedPrivateKey) {
- return KEY_NOT_FOUND;
- }
-
- // Decrypt into RSA private key.
- //
- // Generate key for PKCS#12 encryption, we use SHA1 with 1 iteration, as the
- // parameters used in PK11_ExportEncryptedPrivKeyInfo() above.
- // see: PKCS#12 v1.0, B.2.
- //
- uint8_t DSP[192] = {0};
- memset(DSP, 0x01, 64); // Diversifier part, ID = 1 for decryption.
- memset(DSP + 128, 0x00, 64); // Password part, no password.
-
- uint8_t *S = &DSP[64]; // Salt part.
- uint8_t *salt = encryptedPrivateKey->algorithm.parameters.data + 4;
- int saltLength = (int)encryptedPrivateKey->algorithm.parameters.data[3];
- if (saltLength <= 0) {
- return SYSTEM_ERROR;
- }
- for (int i = 0; i < 64; i++) {
- S[i] = salt[i % saltLength];
- }
-
- // Generate key by SHA-1
- nsresult rv;
- nsCOMPtr<nsICryptoHash> hash =
- do_CreateInstance("@mozilla.org/security/hash;1", &rv);
- if (NS_FAILED(rv)) {
- return SYSTEM_ERROR;
- }
-
- rv = hash->Init(nsICryptoHash::SHA1);
- if (NS_FAILED(rv)) {
- return SYSTEM_ERROR;
- }
-
- rv = hash->Update(DSP, sizeof(DSP));
- if (NS_FAILED(rv)) {
- return SYSTEM_ERROR;
- }
-
- nsCString hashResult;
- rv = hash->Finish(false, hashResult);
- if (NS_FAILED(rv)) {
- return SYSTEM_ERROR;
- }
-
- // First 40-bit as key for RC4.
- uint8_t key[5];
- memcpy(key, hashResult.get(), sizeof(key));
-
- ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
- if (!slot) {
- return SYSTEM_ERROR;
- }
-
- SECItem keyItem = {siBuffer, key, sizeof(key)};
- ScopedPK11SymKey symKey(PK11_ImportSymKey(slot, CKM_RC4, PK11_OriginUnwrap,
- CKA_DECRYPT, &keyItem, nullptr));
- if (!symKey) {
- return SYSTEM_ERROR;
- }
-
- // Get expected decrypted data size then allocate memory.
- uint8_t *encryptedData = (uint8_t *)encryptedPrivateKey->encryptedData.data;
- unsigned int encryptedDataLen = encryptedPrivateKey->encryptedData.len;
- unsigned int decryptedDataLen = encryptedDataLen;
- SECStatus srv = PK11_Decrypt(symKey, CKM_RC4, &keyItem, nullptr,
- &decryptedDataLen, encryptedDataLen,
- encryptedData, encryptedDataLen);
- if (srv != SECSuccess) {
- return SYSTEM_ERROR;
- }
-
- ScopedSECItem decryptedData(::SECITEM_AllocItem(nullptr, nullptr,
- decryptedDataLen));
- if (!decryptedData) {
- return SYSTEM_ERROR;
- }
-
- // Decrypt by RC4.
- srv = PK11_Decrypt(symKey, CKM_RC4, &keyItem, decryptedData->data,
- &decryptedDataLen, decryptedData->len, encryptedData,
- encryptedDataLen);
- if (srv != SECSuccess) {
- return SYSTEM_ERROR;
- }
-
- // Export key in PEM format.
- char *keyPEM = PL_Base64Encode((const char *)decryptedData->data,
- decryptedDataLen, nullptr);
-
- if (!keyPEM) {
- return SYSTEM_ERROR;
- }
-
- FormatCaData(keyPEM, strlen(keyPEM), "PRIVATE KEY", aKeyData, aKeyDataLength);
- PL_strfree(keyPEM);
-
- if (!(*aKeyData)) {
- return SYSTEM_ERROR;
- }
-
- return SUCCESS;
-}
-
-ResponseCode getPublicKey(const char *aKeyName, const uint8_t **aKeyData,
- size_t *aKeyDataLength)
-{
- *aKeyData = nullptr;
-
- // Get corresponding user certificate nickname
- char userCertName[128] = {0};
- snprintf(userCertName, sizeof(userCertName) - 1, "WIFI_USERCERT_%s", aKeyName + 13);
-
- // Get public key from user certificate.
- ScopedCERTCertificate userCert(
- CERT_FindCertByNickname(CERT_GetDefaultCertDB(), userCertName));
- if (!userCert) {
- return KEY_NOT_FOUND;
- }
-
- // Get public key.
- ScopedSECKEYPublicKey publicKey(CERT_ExtractPublicKey(userCert));
- if (!publicKey) {
- return KEY_NOT_FOUND;
- }
-
- ScopedSECItem keyItem(PK11_DEREncodePublicKey(publicKey));
- if (!keyItem) {
- return KEY_NOT_FOUND;
- }
-
- size_t bufSize = keyItem->len;
- char *buf = (char *)malloc(bufSize);
- if (!buf) {
- return SYSTEM_ERROR;
- }
-
- memcpy(buf, keyItem->data, bufSize);
- *aKeyData = (const uint8_t *)buf;
- *aKeyDataLength = bufSize;
-
- return SUCCESS;
-}
-
-ResponseCode signData(const char *aKeyName, const uint8_t *data, size_t length,
- uint8_t **out, size_t *outLength)
-{
- *out = nullptr;
- // Get corresponding user certificate nickname
- char userCertName[128] = {0};
- snprintf(userCertName, sizeof(userCertName) - 1, "WIFI_USERCERT_%s", aKeyName + 13);
-
- // Get private key from user certificate.
- ScopedCERTCertificate userCert(
- CERT_FindCertByNickname(CERT_GetDefaultCertDB(), userCertName));
- if (!userCert) {
- return KEY_NOT_FOUND;
- }
-
- ScopedSECKEYPrivateKey privateKey(
- PK11_FindKeyByAnyCert(userCert.get(), nullptr));
- if (!privateKey) {
- return KEY_NOT_FOUND;
- }
-
- //
- // Find hash data from incoming data.
- //
- // Incoming data might be padded by PKCS-1 format:
- // 00 01 FF FF ... FF 00 || Hash of length 36
- // If the padding part exists, we have to ignore them.
- //
- uint8_t *hash = (uint8_t *)data;
- const size_t HASH_LENGTH = 36;
- if (length < HASH_LENGTH) {
- return VALUE_CORRUPTED;
- }
- if (hash[0] == 0x00 && hash[1] == 0x01 && hash[2] == 0xFF && hash[3] == 0xFF) {
- hash += 4;
- while (*hash == 0xFF) {
- if (hash + HASH_LENGTH > data + length) {
- return VALUE_CORRUPTED;
- }
- hash++;
- }
- if (*hash != 0x00) {
- return VALUE_CORRUPTED;
- }
- hash++;
- }
- if (hash + HASH_LENGTH != data + length) {
- return VALUE_CORRUPTED;
- }
- SECItem hashItem = {siBuffer, hash, HASH_LENGTH};
-
- // Sign hash.
- ScopedSECItem signItem(::SECITEM_AllocItem(nullptr, nullptr,
- PK11_SignatureLen(privateKey)));
- if (!signItem) {
- return SYSTEM_ERROR;
- }
-
- SECStatus srv;
- srv = PK11_Sign(privateKey, signItem.get(), &hashItem);
- if (srv != SECSuccess) {
- return SYSTEM_ERROR;
- }
-
- uint8_t *buf = (uint8_t *)malloc(signItem->len);
- if (!buf) {
- return SYSTEM_ERROR;
- }
-
- memcpy(buf, signItem->data, signItem->len);
- *out = buf;
- *outLength = signItem->len;
-
- return SUCCESS;
-}
-
-bool
-checkPermission(uid_t uid)
-{
- struct passwd *userInfo = getpwuid(uid);
- for (const char **user = KEYSTORE_ALLOWED_USERS; *user; user++ ) {
- if (!strcmp(*user, userInfo->pw_name)) {
- return true;
- }
- }
-
- return false;
-}
-
-//
-// KeyStore
-//
-
-KeyStore::KeyStore()
-: mShutdown(false)
-{
- MOZ_COUNT_CTOR(KeyStore);
- ::startKeyStoreService();
- Listen();
-}
-
-KeyStore::~KeyStore()
-{
- nsNSSShutDownPreventionLock locker;
- MOZ_COUNT_DTOR(KeyStore);
-
- if (isAlreadyShutDown()) {
- return;
- }
-
- shutdown(ShutdownCalledFrom::Object);
-
- MOZ_ASSERT(!mListenSocket);
- MOZ_ASSERT(!mStreamSocket);
-}
-
-void
-KeyStore::Shutdown()
-{
- // We set mShutdown first, so that |OnDisconnect| won't try to reconnect.
- mShutdown = true;
-
- if (mStreamSocket) {
- mStreamSocket->Close();
- mStreamSocket = nullptr;
- }
- if (mListenSocket) {
- mListenSocket->Close();
- mListenSocket = nullptr;
- }
-}
-
-void
-KeyStore::Listen()
-{
- // We only allocate one |StreamSocket|, but re-use it for every connection.
- if (mStreamSocket) {
- mStreamSocket->Close();
- } else {
- mStreamSocket = new StreamSocket(this, STREAM_SOCKET);
- }
-
- if (!mListenSocket) {
- // We only ever allocate one |ListenSocket|...
- mListenSocket = new ListenSocket(this, LISTEN_SOCKET);
- mListenSocket->Listen(new KeyStoreConnector(KEYSTORE_ALLOWED_USERS),
- mStreamSocket);
- } else {
- // ... but keep it open.
- mListenSocket->Listen(mStreamSocket);
- }
-
- ResetHandlerInfo();
-}
-
-void
-KeyStore::ResetHandlerInfo()
-{
- mHandlerInfo.state = STATE_IDLE;
- mHandlerInfo.command = 0;
- mHandlerInfo.paramCount = 0;
- mHandlerInfo.commandPattern = nullptr;
- for (int i = 0; i < MAX_PARAM; i++) {
- mHandlerInfo.param[i].length = 0;
- memset(mHandlerInfo.param[i].data, 0, VALUE_SIZE);
- }
-}
-
-bool
-KeyStore::CheckSize(UnixSocketBuffer *aMessage, size_t aExpectSize)
-{
- return (aMessage->GetSize() >= aExpectSize);
-}
-
-ResponseCode
-KeyStore::ReadCommand(UnixSocketBuffer *aMessage)
-{
- if (mHandlerInfo.state != STATE_IDLE) {
- NS_WARNING("Wrong state in ReadCommand()!");
- return SYSTEM_ERROR;
- }
-
- if (!CheckSize(aMessage, 1)) {
- NS_WARNING("Data size error in ReadCommand()!");
- return PROTOCOL_ERROR;
- }
-
- mHandlerInfo.command = *aMessage->GetData();
- aMessage->Consume(1);
-
- // Find corrsponding command pattern
- const struct ProtocolCommand *command = commands;
- while (command->command && command->command != mHandlerInfo.command) {
- command++;
- }
-
- if (!command->command) {
- NS_WARNING("Unsupported command!");
- return PROTOCOL_ERROR;
- }
-
- // Get command pattern.
- mHandlerInfo.commandPattern = command;
- if (command->paramNum) {
- // Read command parameter if needed.
- mHandlerInfo.state = STATE_READ_PARAM_LEN;
- } else {
- mHandlerInfo.state = STATE_PROCESSING;
- }
-
- return SUCCESS;
-}
-
-ResponseCode
-KeyStore::ReadLength(UnixSocketBuffer *aMessage)
-{
- if (mHandlerInfo.state != STATE_READ_PARAM_LEN) {
- NS_WARNING("Wrong state in ReadLength()!");
- return SYSTEM_ERROR;
- }
-
- if (!CheckSize(aMessage, 2)) {
- NS_WARNING("Data size error in ReadLength()!");
- return PROTOCOL_ERROR;
- }
-
- // Read length of command parameter.
- // FIXME: Depends on endianess and (sizeof(unsigned short) == 2)
- unsigned short dataLength;
- memcpy(&dataLength, aMessage->GetData(), 2);
- aMessage->Consume(2);
- mHandlerInfo.param[mHandlerInfo.paramCount].length = ntohs(dataLength);
-
- mHandlerInfo.state = STATE_READ_PARAM_DATA;
-
- return SUCCESS;
-}
-
-ResponseCode
-KeyStore::ReadData(UnixSocketBuffer *aMessage)
-{
- if (mHandlerInfo.state != STATE_READ_PARAM_DATA) {
- NS_WARNING("Wrong state in ReadData()!");
- return SYSTEM_ERROR;
- }
-
- if (!CheckSize(aMessage, mHandlerInfo.param[mHandlerInfo.paramCount].length)) {
- NS_WARNING("Data size error in ReadData()!");
- return PROTOCOL_ERROR;
- }
-
- // Read command parameter.
- memcpy(mHandlerInfo.param[mHandlerInfo.paramCount].data,
- aMessage->GetData(),
- mHandlerInfo.param[mHandlerInfo.paramCount].length);
- aMessage->Consume(mHandlerInfo.param[mHandlerInfo.paramCount].length);
- mHandlerInfo.paramCount++;
-
- if (mHandlerInfo.paramCount == mHandlerInfo.commandPattern->paramNum) {
- mHandlerInfo.state = STATE_PROCESSING;
- } else {
- mHandlerInfo.state = STATE_READ_PARAM_LEN;
- }
-
- return SUCCESS;
-}
-
-// Status response
-void
-KeyStore::SendResponse(ResponseCode aResponse)
-{
- MOZ_ASSERT(mStreamSocket);
-
- if (aResponse == NO_RESPONSE)
- return;
-
- uint8_t response = (uint8_t)aResponse;
- UnixSocketRawData* data = new UnixSocketRawData((const void *)&response, 1);
- mStreamSocket->SendSocketData(data);
-}
-
-// Data response
-void
-KeyStore::SendData(const uint8_t *aData, int aLength)
-{
- MOZ_ASSERT(mStreamSocket);
-
- unsigned short dataLength = htons(aLength);
-
- UnixSocketRawData* length = new UnixSocketRawData((const void *)&dataLength, 2);
- mStreamSocket->SendSocketData(length);
-
- UnixSocketRawData* data = new UnixSocketRawData((const void *)aData, aLength);
- mStreamSocket->SendSocketData(data);
-}
-
-// |StreamSocketConsumer|, |ListenSocketConsumer|
-
-void
-KeyStore::ReceiveSocketData(int aIndex, UniquePtr<UnixSocketBuffer>& aMessage)
-{
- MOZ_ASSERT(NS_IsMainThread());
-
- // Handle request.
- ResponseCode result = SUCCESS;
- while (aMessage->GetSize() ||
- mHandlerInfo.state == STATE_PROCESSING) {
- switch (mHandlerInfo.state) {
- case STATE_IDLE:
- result = ReadCommand(aMessage.get());
- break;
- case STATE_READ_PARAM_LEN:
- result = ReadLength(aMessage.get());
- break;
- case STATE_READ_PARAM_DATA:
- result = ReadData(aMessage.get());
- break;
- case STATE_PROCESSING:
- if (mHandlerInfo.command == 'g') {
- result = SYSTEM_ERROR;
-
- nsNSSShutDownPreventionLock locker;
- if (isAlreadyShutDown()) {
- break;
- }
-
- // Get CA
- const uint8_t *data;
- size_t dataLength;
- const char *name = (const char *)mHandlerInfo.param[0].data;
-
- if (!strncmp(name, "WIFI_USERKEY_", 13)) {
- result = getPrivateKey(name, &data, &dataLength);
- } else {
- result = getCertificate(name, &data, &dataLength);
- }
- if (result != SUCCESS) {
- break;
- }
-
- SendResponse(SUCCESS);
- SendData(data, (int)dataLength);
-
- free((void *)data);
- }
-
- ResetHandlerInfo();
- break;
- }
-
- if (result != SUCCESS) {
- SendResponse(result);
- ResetHandlerInfo();
- return;
- }
- }
-}
-
-void
-KeyStore::OnConnectSuccess(int aIndex)
-{
- if (aIndex == STREAM_SOCKET) {
- mShutdown = false;
- }
-}
-
-void
-KeyStore::OnConnectError(int aIndex)
-{
- if (mShutdown) {
- return;
- }
-
- if (aIndex == STREAM_SOCKET) {
- // Stream socket error; start listening again
- Listen();
- }
-}
-
-void
-KeyStore::OnDisconnect(int aIndex)
-{
- if (mShutdown) {
- return;
- }
-
- switch (aIndex) {
- case LISTEN_SOCKET:
- // Listen socket disconnected; start anew.
- mListenSocket = nullptr;
- Listen();
- break;
- case STREAM_SOCKET:
- // Stream socket disconnected; start listening again.
- Listen();
- break;
- }
-}
-
-} // namespace ipc
-} // namespace mozilla