/src/FreeRDP/winpr/libwinpr/sspi/CredSSP/credssp.c
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1 | | /** |
2 | | * WinPR: Windows Portable Runtime |
3 | | * Credential Security Support Provider (CredSSP) |
4 | | * |
5 | | * Copyright 2010-2014 Marc-Andre Moreau <marcandre.moreau@gmail.com> |
6 | | * |
7 | | * Licensed under the Apache License, Version 2.0 (the "License"); |
8 | | * you may not use this file except in compliance with the License. |
9 | | * You may obtain a copy of the License at |
10 | | * |
11 | | * http://www.apache.org/licenses/LICENSE-2.0 |
12 | | * |
13 | | * Unless required by applicable law or agreed to in writing, software |
14 | | * distributed under the License is distributed on an "AS IS" BASIS, |
15 | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
16 | | * See the License for the specific language governing permissions and |
17 | | * limitations under the License. |
18 | | */ |
19 | | |
20 | | #include <winpr/config.h> |
21 | | |
22 | | #include <winpr/crt.h> |
23 | | #include <winpr/sspi.h> |
24 | | |
25 | | #include "credssp.h" |
26 | | |
27 | | #include "../sspi.h" |
28 | | #include "../../log.h" |
29 | | |
30 | | #define TAG WINPR_TAG("sspi.CredSSP") |
31 | | |
32 | | static const char* CREDSSP_PACKAGE_NAME = "CredSSP"; |
33 | | |
34 | | static SECURITY_STATUS SEC_ENTRY credssp_InitializeSecurityContextW( |
35 | | PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR* pszTargetName, ULONG fContextReq, |
36 | | ULONG Reserved1, ULONG TargetDataRep, PSecBufferDesc pInput, ULONG Reserved2, |
37 | | PCtxtHandle phNewContext, PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsExpiry) |
38 | 0 | { |
39 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
40 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
41 | 0 | } |
42 | | |
43 | | static SECURITY_STATUS SEC_ENTRY credssp_InitializeSecurityContextA( |
44 | | PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR* pszTargetName, ULONG fContextReq, |
45 | | ULONG Reserved1, ULONG TargetDataRep, PSecBufferDesc pInput, ULONG Reserved2, |
46 | | PCtxtHandle phNewContext, PSecBufferDesc pOutput, PULONG pfContextAttr, PTimeStamp ptsExpiry) |
47 | 0 | { |
48 | 0 | CREDSSP_CONTEXT* context = NULL; |
49 | 0 | SSPI_CREDENTIALS* credentials = NULL; |
50 | | |
51 | | /* behave like windows SSPIs that don't want empty context */ |
52 | 0 | if (phContext && !phContext->dwLower && !phContext->dwUpper) |
53 | 0 | return SEC_E_INVALID_HANDLE; |
54 | | |
55 | 0 | context = (CREDSSP_CONTEXT*)sspi_SecureHandleGetLowerPointer(phContext); |
56 | |
|
57 | 0 | if (!context) |
58 | 0 | { |
59 | 0 | union |
60 | 0 | { |
61 | 0 | const void* cpv; |
62 | 0 | void* pv; |
63 | 0 | } cnv; |
64 | 0 | context = credssp_ContextNew(); |
65 | |
|
66 | 0 | if (!context) |
67 | 0 | return SEC_E_INSUFFICIENT_MEMORY; |
68 | | |
69 | 0 | credentials = (SSPI_CREDENTIALS*)sspi_SecureHandleGetLowerPointer(phCredential); |
70 | |
|
71 | 0 | if (!credentials) |
72 | 0 | { |
73 | 0 | credssp_ContextFree(context); |
74 | 0 | return SEC_E_INVALID_HANDLE; |
75 | 0 | } |
76 | | |
77 | 0 | sspi_SecureHandleSetLowerPointer(phNewContext, context); |
78 | |
|
79 | 0 | cnv.cpv = CREDSSP_PACKAGE_NAME; |
80 | 0 | sspi_SecureHandleSetUpperPointer(phNewContext, cnv.pv); |
81 | 0 | } |
82 | | |
83 | 0 | return SEC_E_OK; |
84 | 0 | } |
85 | | |
86 | | CREDSSP_CONTEXT* credssp_ContextNew(void) |
87 | 0 | { |
88 | 0 | CREDSSP_CONTEXT* context = NULL; |
89 | 0 | context = (CREDSSP_CONTEXT*)calloc(1, sizeof(CREDSSP_CONTEXT)); |
90 | |
|
91 | 0 | if (!context) |
92 | 0 | return NULL; |
93 | | |
94 | 0 | return context; |
95 | 0 | } |
96 | | |
97 | | void credssp_ContextFree(CREDSSP_CONTEXT* context) |
98 | 0 | { |
99 | 0 | free(context); |
100 | 0 | } |
101 | | |
102 | | static SECURITY_STATUS SEC_ENTRY credssp_QueryContextAttributes(PCtxtHandle phContext, |
103 | | ULONG ulAttribute, void* pBuffer) |
104 | 0 | { |
105 | 0 | if (!phContext) |
106 | 0 | return SEC_E_INVALID_HANDLE; |
107 | | |
108 | 0 | if (!pBuffer) |
109 | 0 | return SEC_E_INSUFFICIENT_MEMORY; |
110 | | |
111 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
112 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
113 | 0 | } |
114 | | |
115 | | static SECURITY_STATUS SEC_ENTRY credssp_AcquireCredentialsHandleW( |
116 | | SEC_WCHAR* pszPrincipal, SEC_WCHAR* pszPackage, ULONG fCredentialUse, void* pvLogonID, |
117 | | void* pAuthData, SEC_GET_KEY_FN pGetKeyFn, void* pvGetKeyArgument, PCredHandle phCredential, |
118 | | PTimeStamp ptsExpiry) |
119 | 0 | { |
120 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
121 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
122 | 0 | } |
123 | | |
124 | | static SECURITY_STATUS SEC_ENTRY credssp_AcquireCredentialsHandleA( |
125 | | SEC_CHAR* pszPrincipal, SEC_CHAR* pszPackage, ULONG fCredentialUse, void* pvLogonID, |
126 | | void* pAuthData, SEC_GET_KEY_FN pGetKeyFn, void* pvGetKeyArgument, PCredHandle phCredential, |
127 | | PTimeStamp ptsExpiry) |
128 | 0 | { |
129 | 0 | SSPI_CREDENTIALS* credentials = NULL; |
130 | 0 | SEC_WINNT_AUTH_IDENTITY* identity = NULL; |
131 | |
|
132 | 0 | if (fCredentialUse == SECPKG_CRED_OUTBOUND) |
133 | 0 | { |
134 | 0 | union |
135 | 0 | { |
136 | 0 | const void* cpv; |
137 | 0 | void* pv; |
138 | 0 | } cnv; |
139 | 0 | credentials = sspi_CredentialsNew(); |
140 | |
|
141 | 0 | if (!credentials) |
142 | 0 | return SEC_E_INSUFFICIENT_MEMORY; |
143 | | |
144 | 0 | identity = (SEC_WINNT_AUTH_IDENTITY*)pAuthData; |
145 | 0 | CopyMemory(&(credentials->identity), identity, sizeof(SEC_WINNT_AUTH_IDENTITY)); |
146 | 0 | sspi_SecureHandleSetLowerPointer(phCredential, (void*)credentials); |
147 | |
|
148 | 0 | cnv.cpv = CREDSSP_PACKAGE_NAME; |
149 | 0 | sspi_SecureHandleSetUpperPointer(phCredential, cnv.pv); |
150 | 0 | return SEC_E_OK; |
151 | 0 | } |
152 | | |
153 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
154 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
155 | 0 | } |
156 | | |
157 | | static SECURITY_STATUS SEC_ENTRY credssp_QueryCredentialsAttributesW(PCredHandle phCredential, |
158 | | ULONG ulAttribute, |
159 | | void* pBuffer) |
160 | 0 | { |
161 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
162 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
163 | 0 | } |
164 | | |
165 | | static SECURITY_STATUS SEC_ENTRY credssp_QueryCredentialsAttributesA(PCredHandle phCredential, |
166 | | ULONG ulAttribute, |
167 | | void* pBuffer) |
168 | 0 | { |
169 | 0 | if (ulAttribute == SECPKG_CRED_ATTR_NAMES) |
170 | 0 | { |
171 | 0 | SSPI_CREDENTIALS* credentials = |
172 | 0 | (SSPI_CREDENTIALS*)sspi_SecureHandleGetLowerPointer(phCredential); |
173 | |
|
174 | 0 | if (!credentials) |
175 | 0 | return SEC_E_INVALID_HANDLE; |
176 | | |
177 | 0 | return SEC_E_OK; |
178 | 0 | } |
179 | | |
180 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
181 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
182 | 0 | } |
183 | | |
184 | | static SECURITY_STATUS SEC_ENTRY credssp_FreeCredentialsHandle(PCredHandle phCredential) |
185 | 0 | { |
186 | 0 | SSPI_CREDENTIALS* credentials = NULL; |
187 | |
|
188 | 0 | if (!phCredential) |
189 | 0 | return SEC_E_INVALID_HANDLE; |
190 | | |
191 | 0 | credentials = (SSPI_CREDENTIALS*)sspi_SecureHandleGetLowerPointer(phCredential); |
192 | |
|
193 | 0 | if (!credentials) |
194 | 0 | return SEC_E_INVALID_HANDLE; |
195 | | |
196 | 0 | sspi_CredentialsFree(credentials); |
197 | 0 | return SEC_E_OK; |
198 | 0 | } |
199 | | |
200 | | static SECURITY_STATUS SEC_ENTRY credssp_EncryptMessage(PCtxtHandle phContext, ULONG fQOP, |
201 | | PSecBufferDesc pMessage, ULONG MessageSeqNo) |
202 | 0 | { |
203 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
204 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
205 | 0 | } |
206 | | |
207 | | static SECURITY_STATUS SEC_ENTRY credssp_DecryptMessage(PCtxtHandle phContext, |
208 | | PSecBufferDesc pMessage, ULONG MessageSeqNo, |
209 | | ULONG* pfQOP) |
210 | 0 | { |
211 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
212 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
213 | 0 | } |
214 | | |
215 | | static SECURITY_STATUS SEC_ENTRY credssp_MakeSignature(PCtxtHandle phContext, ULONG fQOP, |
216 | | PSecBufferDesc pMessage, ULONG MessageSeqNo) |
217 | 0 | { |
218 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
219 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
220 | 0 | } |
221 | | |
222 | | static SECURITY_STATUS SEC_ENTRY credssp_VerifySignature(PCtxtHandle phContext, |
223 | | PSecBufferDesc pMessage, |
224 | | ULONG MessageSeqNo, ULONG* pfQOP) |
225 | 0 | { |
226 | 0 | WLog_ERR(TAG, "TODO: Implement"); |
227 | 0 | return SEC_E_UNSUPPORTED_FUNCTION; |
228 | 0 | } |
229 | | |
230 | | const SecurityFunctionTableA CREDSSP_SecurityFunctionTableA = { |
231 | | 3, /* dwVersion */ |
232 | | NULL, /* EnumerateSecurityPackages */ |
233 | | credssp_QueryCredentialsAttributesA, /* QueryCredentialsAttributes */ |
234 | | credssp_AcquireCredentialsHandleA, /* AcquireCredentialsHandle */ |
235 | | credssp_FreeCredentialsHandle, /* FreeCredentialsHandle */ |
236 | | NULL, /* Reserved2 */ |
237 | | credssp_InitializeSecurityContextA, /* InitializeSecurityContext */ |
238 | | NULL, /* AcceptSecurityContext */ |
239 | | NULL, /* CompleteAuthToken */ |
240 | | NULL, /* DeleteSecurityContext */ |
241 | | NULL, /* ApplyControlToken */ |
242 | | credssp_QueryContextAttributes, /* QueryContextAttributes */ |
243 | | NULL, /* ImpersonateSecurityContext */ |
244 | | NULL, /* RevertSecurityContext */ |
245 | | credssp_MakeSignature, /* MakeSignature */ |
246 | | credssp_VerifySignature, /* VerifySignature */ |
247 | | NULL, /* FreeContextBuffer */ |
248 | | NULL, /* QuerySecurityPackageInfo */ |
249 | | NULL, /* Reserved3 */ |
250 | | NULL, /* Reserved4 */ |
251 | | NULL, /* ExportSecurityContext */ |
252 | | NULL, /* ImportSecurityContext */ |
253 | | NULL, /* AddCredentials */ |
254 | | NULL, /* Reserved8 */ |
255 | | NULL, /* QuerySecurityContextToken */ |
256 | | credssp_EncryptMessage, /* EncryptMessage */ |
257 | | credssp_DecryptMessage, /* DecryptMessage */ |
258 | | NULL, /* SetContextAttributes */ |
259 | | NULL, /* SetCredentialsAttributes */ |
260 | | }; |
261 | | |
262 | | const SecurityFunctionTableW CREDSSP_SecurityFunctionTableW = { |
263 | | 3, /* dwVersion */ |
264 | | NULL, /* EnumerateSecurityPackages */ |
265 | | credssp_QueryCredentialsAttributesW, /* QueryCredentialsAttributes */ |
266 | | credssp_AcquireCredentialsHandleW, /* AcquireCredentialsHandle */ |
267 | | credssp_FreeCredentialsHandle, /* FreeCredentialsHandle */ |
268 | | NULL, /* Reserved2 */ |
269 | | credssp_InitializeSecurityContextW, /* InitializeSecurityContext */ |
270 | | NULL, /* AcceptSecurityContext */ |
271 | | NULL, /* CompleteAuthToken */ |
272 | | NULL, /* DeleteSecurityContext */ |
273 | | NULL, /* ApplyControlToken */ |
274 | | credssp_QueryContextAttributes, /* QueryContextAttributes */ |
275 | | NULL, /* ImpersonateSecurityContext */ |
276 | | NULL, /* RevertSecurityContext */ |
277 | | credssp_MakeSignature, /* MakeSignature */ |
278 | | credssp_VerifySignature, /* VerifySignature */ |
279 | | NULL, /* FreeContextBuffer */ |
280 | | NULL, /* QuerySecurityPackageInfo */ |
281 | | NULL, /* Reserved3 */ |
282 | | NULL, /* Reserved4 */ |
283 | | NULL, /* ExportSecurityContext */ |
284 | | NULL, /* ImportSecurityContext */ |
285 | | NULL, /* AddCredentials */ |
286 | | NULL, /* Reserved8 */ |
287 | | NULL, /* QuerySecurityContextToken */ |
288 | | credssp_EncryptMessage, /* EncryptMessage */ |
289 | | credssp_DecryptMessage, /* DecryptMessage */ |
290 | | NULL, /* SetContextAttributes */ |
291 | | NULL, /* SetCredentialsAttributes */ |
292 | | }; |
293 | | |
294 | | const SecPkgInfoA CREDSSP_SecPkgInfoA = { |
295 | | 0x000110733, /* fCapabilities */ |
296 | | 1, /* wVersion */ |
297 | | 0xFFFF, /* wRPCID */ |
298 | | 0x000090A8, /* cbMaxToken */ |
299 | | "CREDSSP", /* Name */ |
300 | | "Microsoft CredSSP Security Provider" /* Comment */ |
301 | | }; |
302 | | |
303 | | static WCHAR CREDSSP_SecPkgInfoW_NameBuffer[128] = { 0 }; |
304 | | static WCHAR CREDSSP_SecPkgInfoW_CommentBuffer[128] = { 0 }; |
305 | | |
306 | | const SecPkgInfoW CREDSSP_SecPkgInfoW = { |
307 | | 0x000110733, /* fCapabilities */ |
308 | | 1, /* wVersion */ |
309 | | 0xFFFF, /* wRPCID */ |
310 | | 0x000090A8, /* cbMaxToken */ |
311 | | CREDSSP_SecPkgInfoW_NameBuffer, /* Name */ |
312 | | CREDSSP_SecPkgInfoW_CommentBuffer /* Comment */ |
313 | | }; |
314 | | |
315 | | BOOL CREDSSP_init(void) |
316 | 0 | { |
317 | 0 | InitializeConstWCharFromUtf8(CREDSSP_SecPkgInfoA.Name, CREDSSP_SecPkgInfoW_NameBuffer, |
318 | 0 | ARRAYSIZE(CREDSSP_SecPkgInfoW_NameBuffer)); |
319 | 0 | InitializeConstWCharFromUtf8(CREDSSP_SecPkgInfoA.Comment, CREDSSP_SecPkgInfoW_CommentBuffer, |
320 | 0 | ARRAYSIZE(CREDSSP_SecPkgInfoW_CommentBuffer)); |
321 | 0 | return TRUE; |
322 | 0 | } |