1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/**
* Copyright (C) 2021 Saturneric <[email protected]>
*
* This file is part of GpgFrontend.
*
* GpgFrontend is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GpgFrontend is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <[email protected]> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "GpgKeyImportExporter.h"
#include "core/function/gpg/GpgKeyGetter.h"
#include "core/utils/GpgUtils.h"
GpgFrontend::GpgKeyImportExporter::GpgKeyImportExporter(int channel)
: SingletonFunctionObject<GpgKeyImportExporter>(channel),
ctx_(GpgContext::GetInstance(SingletonFunctionObject::GetChannel())) {}
/**
* Import key pair
* @param inBuffer input byte array
* @return Import information
*/
auto GpgFrontend::GpgKeyImportExporter::ImportKey(StdBypeArrayPtr in_buffer)
-> GpgFrontend::GpgImportInformation {
if (in_buffer->empty()) return {};
GpgData data_in(in_buffer->data(), in_buffer->size());
auto err = CheckGpgError(gpgme_op_import(ctx_, data_in));
if (gpgme_err_code(err) != GPG_ERR_NO_ERROR) return {};
gpgme_import_result_t result;
result = gpgme_op_import_result(ctx_);
gpgme_import_status_t status = result->imports;
auto import_info = std::make_unique<GpgImportInformation>(result);
while (status != nullptr) {
GpgImportedKey key;
key.import_status = static_cast<int>(status->status);
key.fpr = status->fpr;
import_info->imported_keys.emplace_back(key);
status = status->next;
}
return *import_info;
}
/**
* Export Key
* @param uid_list key ids
* @param out_buffer output byte array
* @return if success
*/
auto GpgFrontend::GpgKeyImportExporter::ExportKeys(KeyIdArgsListPtr& uid_list,
ByteArrayPtr& out_buffer,
bool secret) const -> bool {
if (uid_list->empty()) return false;
int mode = 0;
if (secret) mode |= GPGME_EXPORT_MODE_SECRET;
auto keys = GpgKeyGetter::GetInstance().GetKeys(uid_list);
auto* keys_array = new gpgme_key_t[keys->size() + 1];
int index = 0;
for (const auto& key : *keys) {
keys_array[index++] = gpgme_key_t(key);
}
keys_array[index] = nullptr;
GpgData data_out;
auto err = gpgme_op_export_keys(ctx_, keys_array, mode, data_out);
if (gpgme_err_code(err) != GPG_ERR_NO_ERROR) return false;
delete[] keys_array;
SPDLOG_DEBUG("export keys read_bytes: {}",
gpgme_data_seek(data_out, 0, SEEK_END));
auto temp_out_buffer = data_out.Read2Buffer();
swap(temp_out_buffer, out_buffer);
return true;
}
/**
* Export keys
* @param keys keys used
* @param outBuffer output byte array
* @return if success
*/
auto GpgFrontend::GpgKeyImportExporter::ExportKeys(const KeyArgsList& keys,
ByteArrayPtr& out_buffer,
bool secret) const -> bool {
KeyIdArgsListPtr key_ids = std::make_unique<std::vector<std::string>>();
for (const auto& key : keys) key_ids->push_back(key.GetId());
return ExportKeys(key_ids, out_buffer, secret);
}
/**
* Export all the keys both private and public keys
* @param uid_list key ids
* @param out_buffer output byte array
* @return if success
*/
auto GpgFrontend::GpgKeyImportExporter::ExportAllKeys(
KeyIdArgsListPtr& uid_list, ByteArrayPtr& out_buffer, bool secret) const
-> bool {
bool result = true;
result = ((static_cast<int>(ExportKeys(uid_list, out_buffer, false)) &
static_cast<int>(result)) != 0);
ByteArrayPtr temp_buffer;
if (secret) {
result = ((static_cast<int>(ExportKeys(uid_list, temp_buffer, true)) &
static_cast<int>(result)) != 0);
}
out_buffer->append(*temp_buffer);
return result;
}
/**
* Export the secret key of a key pair(including subkeys)
* @param key target key pair
* @param outBuffer output byte array
* @return if successful
*/
auto GpgFrontend::GpgKeyImportExporter::ExportSecretKey(
const GpgKey& key, ByteArrayPtr& out_buffer) const -> bool {
SPDLOG_DEBUG("export secret key: {}", key.GetId().c_str());
gpgme_key_t target_key[2] = {static_cast<gpgme_key_t>(key), nullptr};
GpgData data_out;
// export private key to outBuffer
gpgme_error_t err = gpgme_op_export_keys(ctx_, target_key,
GPGME_EXPORT_MODE_SECRET, data_out);
auto temp_out_buffer = data_out.Read2Buffer();
std::swap(out_buffer, temp_out_buffer);
return CheckGpgError(err) == GPG_ERR_NO_ERROR;
}
auto GpgFrontend::GpgKeyImportExporter::ExportKey(
const GpgFrontend::GpgKey& key, GpgFrontend::ByteArrayPtr& out_buffer) const
-> bool {
GpgData data_out;
auto err = gpgme_op_export(ctx_, key.GetId().c_str(), 0, data_out);
SPDLOG_DEBUG("export keys read_bytes: {}",
gpgme_data_seek(data_out, 0, SEEK_END));
auto temp_out_buffer = data_out.Read2Buffer();
std::swap(out_buffer, temp_out_buffer);
return CheckGpgError(err) == GPG_ERR_NO_ERROR;
}
auto GpgFrontend::GpgKeyImportExporter::ExportKeyOpenSSH(
const GpgFrontend::GpgKey& key, GpgFrontend::ByteArrayPtr& out_buffer) const
-> bool {
GpgData data_out;
auto err = gpgme_op_export(ctx_, key.GetId().c_str(), GPGME_EXPORT_MODE_SSH,
data_out);
SPDLOG_DEBUG("read_bytes: {}", gpgme_data_seek(data_out, 0, SEEK_END));
auto temp_out_buffer = data_out.Read2Buffer();
std::swap(out_buffer, temp_out_buffer);
return CheckGpgError(err) == GPG_ERR_NO_ERROR;
}
auto GpgFrontend::GpgKeyImportExporter::ExportSecretKeyShortest(
const GpgFrontend::GpgKey& key, GpgFrontend::ByteArrayPtr& out_buffer) const
-> bool {
GpgData data_out;
auto err = gpgme_op_export(ctx_, key.GetId().c_str(),
GPGME_EXPORT_MODE_MINIMAL, data_out);
SPDLOG_DEBUG("read_bytes: {}", gpgme_data_seek(data_out, 0, SEEK_END));
auto temp_out_buffer = data_out.Read2Buffer();
std::swap(out_buffer, temp_out_buffer);
return CheckGpgError(err) == GPG_ERR_NO_ERROR;
}
GpgFrontend::GpgImportInformation::GpgImportInformation() = default;
GpgFrontend::GpgImportInformation::GpgImportInformation(
gpgme_import_result_t result) {
if (result->unchanged != 0) unchanged = result->unchanged;
if (result->considered != 0) considered = result->considered;
if (result->no_user_id != 0) no_user_id = result->no_user_id;
if (result->imported != 0) imported = result->imported;
if (result->imported_rsa != 0) imported_rsa = result->imported_rsa;
if (result->unchanged != 0) unchanged = result->unchanged;
if (result->new_user_ids != 0) new_user_ids = result->new_user_ids;
if (result->new_sub_keys != 0) new_sub_keys = result->new_sub_keys;
if (result->new_signatures != 0) new_signatures = result->new_signatures;
if (result->new_revocations != 0) new_revocations = result->new_revocations;
if (result->secret_read != 0) secret_read = result->secret_read;
if (result->secret_imported != 0) secret_imported = result->secret_imported;
if (result->secret_unchanged != 0) {
secret_unchanged = result->secret_unchanged;
}
if (result->not_imported != 0) not_imported = result->not_imported;
}
|
