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_library_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 if (signer == NULL) {
37 SIGNATURE_TOOLS_LOGE("signer is NULL, create LocalSigner failed");
38 EVP_PKEY_free(keyPair);
39 sk_X509_pop_free(certs, X509_free);
40 return NULL;
41 }
42 return signer;
43 }
44
LoadRemoteSigner(LocalizationAdapter& adapter) const45 std::shared_ptr<Signer> SignerFactory::LoadRemoteSigner(LocalizationAdapter& adapter) const
46 {
47 std::string keyAlias = adapter.GetOptions()->GetString(ParamConstants::PARAM_BASIC_PRIVATE_KEY);
48 std::string signServer = adapter.GetOptions()->GetString(ParamConstants::PARAM_REMOTE_SERVER);
49 std::string signerPlugin = adapter.GetOptions()->GetString(ParamConstants::PARAM_REMOTE_SIGNERPLUGIN);
50 std::string onlineAuthMode = adapter.GetOptions()->GetString(ParamConstants::PARAM_REMOTE_ONLINEAUTHMODE);
51 std::string username = adapter.GetOptions()->GetString(ParamConstants::PARAM_REMOTE_USERNAME);
52 char* userPwd = adapter.GetOptions()->GetChars(ParamConstants::PARAM_REMOTE_USERPWD);
53
54 // open so
55 DynamicLibraryHandle::handle = dlopen(signerPlugin.c_str(), RTLD_NOW | RTLD_GLOBAL);
56 if (!DynamicLibraryHandle::handle) {
57 PrintErrorNumberMsg("LoadRemoteSigner", RET_FAILED, dlerror());
58 return nullptr;
59 }
60
61 // clear previous error
62 dlerror();
63
64 // get "Create" function
65 RemoteSignerCreator remoteSignerCreator = (RemoteSignerCreator)dlsym(DynamicLibraryHandle::handle, "Create");
66 char* error = nullptr;
67 if ((error = dlerror()) != NULL) {
68 SIGNATURE_TOOLS_LOGE("%s", error);
69 return nullptr;
70 }
71
72 RemoteSignerParamType keyAliasType{keyAlias.c_str(), keyAlias.size()};
73 RemoteSignerParamType signServerType{signServer.c_str(), signServer.size()};
74 RemoteSignerParamType onlineAuthModeType{onlineAuthMode.c_str(), onlineAuthMode.size()};
75 RemoteSignerParamType usernameType{username.c_str(), username.size()};
76 RemoteSignerParamType userPwdType{userPwd, strlen(userPwd)};
77
78 Signer* signer = remoteSignerCreator(keyAliasType, signServerType, onlineAuthModeType, usernameType, userPwdType);
79
80 for (size_t i = 0; i < strlen(userPwd); i++) {
81 userPwd[i] = 0;
82 }
83
84 std::shared_ptr<Signer> remoteSigner(signer);
85 return remoteSigner;
86 }
87 } // namespace SignatureTools
88 } // namespace OHOS