1 /*
2 * Copyright (c) 2024-2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "signer_factory.h"
16 #include "dynamic_lib_handle.h"
17
18 namespace OHOS {
19 namespace SignatureTools {
20
GetSigner(LocalizationAdapter & adapter) const21 std::shared_ptr<Signer> SignerFactory::GetSigner(LocalizationAdapter& adapter)const
22 {
23 if (adapter.IsRemoteSigner()) {
24 return LoadRemoteSigner(adapter);
25 }
26
27 EVP_PKEY* keyPair = adapter.GetAliasKey(false);
28 if (keyPair == NULL) {
29 SIGNATURE_TOOLS_LOGE("key is NULL, get signer failed");
30 adapter.ResetPwd();
31 return NULL;
32 }
33 adapter.ResetPwd();
34 STACK_OF(X509)*certs = adapter.GetSignCertChain();
35 std::shared_ptr<Signer> signer = std::make_shared<LocalSigner>(keyPair, certs);
36 return signer;
37 }
38
LoadRemoteSigner(LocalizationAdapter & adapter) const39 std::shared_ptr<Signer> SignerFactory::LoadRemoteSigner(LocalizationAdapter& adapter) const
40 {
41 std::string keyAlias = adapter.GetOptions()->GetString(ParamConstants::PARAM_BASIC_PRIVATE_KEY);
42 std::string signServer = adapter.GetOptions()->GetString(ParamConstants::PARAM_REMOTE_SERVER);
43 std::string signerPlugin = adapter.GetOptions()->GetString(ParamConstants::PARAM_REMOTE_SIGNERPLUGIN);
44 std::string onlineAuthMode = adapter.GetOptions()->GetString(ParamConstants::PARAM_REMOTE_ONLINEAUTHMODE);
45 std::string username = adapter.GetOptions()->GetString(ParamConstants::PARAM_REMOTE_USERNAME);
46 char* userPwd = adapter.GetOptions()->GetChars(ParamConstants::PARAM_REMOTE_USERPWD);
47
48 // open so
49 DynamicLibHandle::handle = dlopen(signerPlugin.c_str(), RTLD_NOW | RTLD_GLOBAL);
50 if (!DynamicLibHandle::handle) {
51 PrintErrorNumberMsg("LoadRemoteSigner", RET_FAILED, dlerror());
52 return nullptr;
53 }
54
55 // clear previous error
56 dlerror();
57
58 // get "Create" function
59 RemoteSignerCreator remoteSignerCreator = (RemoteSignerCreator)dlsym(DynamicLibHandle::handle, "Create");
60 char* error = nullptr;
61 if ((error = dlerror()) != NULL) {
62 SIGNATURE_TOOLS_LOGE("%s", error);
63 return nullptr;
64 }
65
66 RemoteSignerParamType keyAliasType{keyAlias.c_str(), keyAlias.size()};
67 RemoteSignerParamType signServerType{signServer.c_str(), signServer.size()};
68 RemoteSignerParamType onlineAuthModeType{onlineAuthMode.c_str(), onlineAuthMode.size()};
69 RemoteSignerParamType usernameType{username.c_str(), username.size()};
70 RemoteSignerParamType userPwdType{userPwd, strlen(userPwd)};
71
72 Signer* signer = remoteSignerCreator(keyAliasType, signServerType, onlineAuthModeType, usernameType, userPwdType);
73
74 for (size_t i = 0; i < strlen(userPwd); i++) {
75 userPwd[i] = 0;
76 }
77
78 std::shared_ptr<Signer> remoteSigner(signer);
79 return remoteSigner;
80 }
81 } // namespace SignatureTools
82 } // namespace OHOS