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1 | /** @file\r |
2 | SSL/TLS Process Null Library Wrapper Implementation.\r | |
3 | The process includes the TLS handshake and packet I/O.\r | |
4 | \r | |
5 | Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>\r | |
6 | (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r | |
7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
8 | \r | |
9 | **/\r | |
10 | \r | |
11 | #include "InternalTlsLib.h"\r | |
12 | \r | |
13 | /**\r | |
14 | Checks if the TLS handshake was done.\r | |
15 | \r | |
16 | This function will check if the specified TLS handshake was done.\r | |
17 | \r | |
18 | @param[in] Tls Pointer to the TLS object for handshake state checking.\r | |
19 | \r | |
20 | @retval TRUE The TLS handshake was done.\r | |
21 | @retval FALSE The TLS handshake was not done.\r | |
22 | \r | |
23 | **/\r | |
24 | BOOLEAN\r | |
25 | EFIAPI\r | |
26 | TlsInHandshake (\r | |
27 | IN VOID *Tls\r | |
28 | )\r | |
29 | {\r | |
30 | ASSERT(FALSE);\r | |
31 | return FALSE;\r | |
32 | }\r | |
33 | \r | |
34 | /**\r | |
35 | Perform a TLS/SSL handshake.\r | |
36 | \r | |
37 | This function will perform a TLS/SSL handshake.\r | |
38 | \r | |
39 | @param[in] Tls Pointer to the TLS object for handshake operation.\r | |
40 | @param[in] BufferIn Pointer to the most recently received TLS Handshake packet.\r | |
41 | @param[in] BufferInSize Packet size in bytes for the most recently received TLS\r | |
42 | Handshake packet.\r | |
43 | @param[out] BufferOut Pointer to the buffer to hold the built packet.\r | |
44 | @param[in, out] BufferOutSize Pointer to the buffer size in bytes. On input, it is\r | |
45 | the buffer size provided by the caller. On output, it\r | |
46 | is the buffer size in fact needed to contain the\r | |
47 | packet.\r | |
48 | \r | |
49 | @retval EFI_SUCCESS The required TLS packet is built successfully.\r | |
50 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
51 | Tls is NULL.\r | |
52 | BufferIn is NULL but BufferInSize is NOT 0.\r | |
53 | BufferInSize is 0 but BufferIn is NOT NULL.\r | |
54 | BufferOutSize is NULL.\r | |
55 | BufferOut is NULL if *BufferOutSize is not zero.\r | |
56 | @retval EFI_BUFFER_TOO_SMALL BufferOutSize is too small to hold the response packet.\r | |
57 | @retval EFI_ABORTED Something wrong during handshake.\r | |
58 | \r | |
59 | **/\r | |
60 | EFI_STATUS\r | |
61 | EFIAPI\r | |
62 | TlsDoHandshake (\r | |
63 | IN VOID *Tls,\r | |
64 | IN UINT8 *BufferIn, OPTIONAL\r | |
65 | IN UINTN BufferInSize, OPTIONAL\r | |
66 | OUT UINT8 *BufferOut, OPTIONAL\r | |
67 | IN OUT UINTN *BufferOutSize\r | |
68 | )\r | |
69 | {\r | |
70 | ASSERT(FALSE);\r | |
71 | return EFI_UNSUPPORTED;\r | |
72 | }\r | |
73 | \r | |
74 | /**\r | |
75 | Handle Alert message recorded in BufferIn. If BufferIn is NULL and BufferInSize is zero,\r | |
76 | TLS session has errors and the response packet needs to be Alert message based on error type.\r | |
77 | \r | |
78 | @param[in] Tls Pointer to the TLS object for state checking.\r | |
79 | @param[in] BufferIn Pointer to the most recently received TLS Alert packet.\r | |
80 | @param[in] BufferInSize Packet size in bytes for the most recently received TLS\r | |
81 | Alert packet.\r | |
82 | @param[out] BufferOut Pointer to the buffer to hold the built packet.\r | |
83 | @param[in, out] BufferOutSize Pointer to the buffer size in bytes. On input, it is\r | |
84 | the buffer size provided by the caller. On output, it\r | |
85 | is the buffer size in fact needed to contain the\r | |
86 | packet.\r | |
87 | \r | |
88 | @retval EFI_SUCCESS The required TLS packet is built successfully.\r | |
89 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
90 | Tls is NULL.\r | |
91 | BufferIn is NULL but BufferInSize is NOT 0.\r | |
92 | BufferInSize is 0 but BufferIn is NOT NULL.\r | |
93 | BufferOutSize is NULL.\r | |
94 | BufferOut is NULL if *BufferOutSize is not zero.\r | |
95 | @retval EFI_ABORTED An error occurred.\r | |
96 | @retval EFI_BUFFER_TOO_SMALL BufferOutSize is too small to hold the response packet.\r | |
97 | \r | |
98 | **/\r | |
99 | EFI_STATUS\r | |
100 | EFIAPI\r | |
101 | TlsHandleAlert (\r | |
102 | IN VOID *Tls,\r | |
103 | IN UINT8 *BufferIn, OPTIONAL\r | |
104 | IN UINTN BufferInSize, OPTIONAL\r | |
105 | OUT UINT8 *BufferOut, OPTIONAL\r | |
106 | IN OUT UINTN *BufferOutSize\r | |
107 | )\r | |
108 | {\r | |
109 | ASSERT(FALSE);\r | |
110 | return EFI_UNSUPPORTED;\r | |
111 | }\r | |
112 | \r | |
113 | /**\r | |
114 | Build the CloseNotify packet.\r | |
115 | \r | |
116 | @param[in] Tls Pointer to the TLS object for state checking.\r | |
117 | @param[in, out] Buffer Pointer to the buffer to hold the built packet.\r | |
118 | @param[in, out] BufferSize Pointer to the buffer size in bytes. On input, it is\r | |
119 | the buffer size provided by the caller. On output, it\r | |
120 | is the buffer size in fact needed to contain the\r | |
121 | packet.\r | |
122 | \r | |
123 | @retval EFI_SUCCESS The required TLS packet is built successfully.\r | |
124 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
125 | Tls is NULL.\r | |
126 | BufferSize is NULL.\r | |
127 | Buffer is NULL if *BufferSize is not zero.\r | |
128 | @retval EFI_BUFFER_TOO_SMALL BufferSize is too small to hold the response packet.\r | |
129 | \r | |
130 | **/\r | |
131 | EFI_STATUS\r | |
132 | EFIAPI\r | |
133 | TlsCloseNotify (\r | |
134 | IN VOID *Tls,\r | |
135 | IN OUT UINT8 *Buffer,\r | |
136 | IN OUT UINTN *BufferSize\r | |
137 | )\r | |
138 | {\r | |
139 | ASSERT(FALSE);\r | |
140 | return EFI_UNSUPPORTED;\r | |
141 | }\r | |
142 | \r | |
143 | /**\r | |
144 | Attempts to read bytes from one TLS object and places the data in Buffer.\r | |
145 | \r | |
146 | This function will attempt to read BufferSize bytes from the TLS object\r | |
147 | and places the data in Buffer.\r | |
148 | \r | |
149 | @param[in] Tls Pointer to the TLS object.\r | |
150 | @param[in,out] Buffer Pointer to the buffer to store the data.\r | |
151 | @param[in] BufferSize The size of Buffer in bytes.\r | |
152 | \r | |
153 | @retval >0 The amount of data successfully read from the TLS object.\r | |
154 | @retval <=0 No data was successfully read.\r | |
155 | \r | |
156 | **/\r | |
157 | INTN\r | |
158 | EFIAPI\r | |
159 | TlsCtrlTrafficOut (\r | |
160 | IN VOID *Tls,\r | |
161 | IN OUT VOID *Buffer,\r | |
162 | IN UINTN BufferSize\r | |
163 | )\r | |
164 | {\r | |
165 | ASSERT(FALSE);\r | |
166 | return 0;\r | |
167 | }\r | |
168 | \r | |
169 | /**\r | |
170 | Attempts to write data from the buffer to TLS object.\r | |
171 | \r | |
172 | This function will attempt to write BufferSize bytes data from the Buffer\r | |
173 | to the TLS object.\r | |
174 | \r | |
175 | @param[in] Tls Pointer to the TLS object.\r | |
176 | @param[in] Buffer Pointer to the data buffer.\r | |
177 | @param[in] BufferSize The size of Buffer in bytes.\r | |
178 | \r | |
179 | @retval >0 The amount of data successfully written to the TLS object.\r | |
180 | @retval <=0 No data was successfully written.\r | |
181 | \r | |
182 | **/\r | |
183 | INTN\r | |
184 | EFIAPI\r | |
185 | TlsCtrlTrafficIn (\r | |
186 | IN VOID *Tls,\r | |
187 | IN VOID *Buffer,\r | |
188 | IN UINTN BufferSize\r | |
189 | )\r | |
190 | {\r | |
191 | ASSERT(FALSE);\r | |
192 | return 0;\r | |
193 | }\r | |
194 | /**\r | |
195 | Attempts to read bytes from the specified TLS connection into the buffer.\r | |
196 | \r | |
197 | This function tries to read BufferSize bytes data from the specified TLS\r | |
198 | connection into the Buffer.\r | |
199 | \r | |
200 | @param[in] Tls Pointer to the TLS connection for data reading.\r | |
201 | @param[in,out] Buffer Pointer to the data buffer.\r | |
202 | @param[in] BufferSize The size of Buffer in bytes.\r | |
203 | \r | |
204 | @retval >0 The read operation was successful, and return value is the\r | |
205 | number of bytes actually read from the TLS connection.\r | |
206 | @retval <=0 The read operation was not successful.\r | |
207 | \r | |
208 | **/\r | |
209 | INTN\r | |
210 | EFIAPI\r | |
211 | TlsRead (\r | |
212 | IN VOID *Tls,\r | |
213 | IN OUT VOID *Buffer,\r | |
214 | IN UINTN BufferSize\r | |
215 | )\r | |
216 | {\r | |
217 | ASSERT(FALSE);\r | |
218 | return 0;\r | |
219 | }\r | |
220 | \r | |
221 | /**\r | |
222 | Attempts to write data to a TLS connection.\r | |
223 | \r | |
224 | This function tries to write BufferSize bytes data from the Buffer into the\r | |
225 | specified TLS connection.\r | |
226 | \r | |
227 | @param[in] Tls Pointer to the TLS connection for data writing.\r | |
228 | @param[in] Buffer Pointer to the data buffer.\r | |
229 | @param[in] BufferSize The size of Buffer in bytes.\r | |
230 | \r | |
231 | @retval >0 The write operation was successful, and return value is the\r | |
232 | number of bytes actually written to the TLS connection.\r | |
233 | @retval <=0 The write operation was not successful.\r | |
234 | \r | |
235 | **/\r | |
236 | INTN\r | |
237 | EFIAPI\r | |
238 | TlsWrite (\r | |
239 | IN VOID *Tls,\r | |
240 | IN VOID *Buffer,\r | |
241 | IN UINTN BufferSize\r | |
242 | )\r | |
243 | {\r | |
244 | ASSERT(FALSE);\r | |
245 | return 0;\r | |
246 | }\r | |
247 | \r |