1/** @file
2  Definitions related to IPSEC_CONFIG_PROTOCOL implementations.
3
4  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
5
6  This program and the accompanying materials
7  are licensed and made available under the terms and conditions of the BSD License
8  which accompanies this distribution.  The full text of the license may be found at
9  http://opensource.org/licenses/bsd-license.php.
10
11  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14**/
15
16#ifndef _IPSEC_CONFIG_IMPL_H_
17#define _IPSEC_CONFIG_IMPL_H_
18
19#include <Protocol/IpSec.h>
20#include <Protocol/IpSecConfig.h>
21
22#include <Library/BaseLib.h>
23#include <Library/BaseMemoryLib.h>
24#include <Library/PrintLib.h>
25#include <Library/MemoryAllocationLib.h>
26#include <Library/UefiRuntimeServicesTableLib.h>
27#include <Library/UefiBootServicesTableLib.h>
28#include <Library/DebugLib.h>
29
30#include "IpSecImpl.h"
31
32#define EFI_IPSEC_ANY_PROTOCOL    0xFFFF
33#define EFI_IPSEC_ANY_PORT        0
34
35#define IPSEC_VAR_ITEM_HEADER_LOGO_BIT     0x80
36#define IPSEC_VAR_ITEM_HEADER_CONTENT_BIT  0x7F
37
38#define IPSECCONFIG_VARIABLE_NAME       L"IpSecConfig"
39#define IPSECCONFIG_STATUS_NAME         L"IpSecStatus"
40
41#define SIZE_OF_SPD_SELECTOR(x) (UINTN) (sizeof (EFI_IPSEC_SPD_SELECTOR) \
42       + sizeof (EFI_IP_ADDRESS_INFO) * ((x)->LocalAddressCount + (x)->RemoteAddressCount))
43
44#define FIX_REF_BUF_ADDR(addr, base)    addr = (VOID *) ((UINTN) (addr) - (UINTN) (base))
45#define UNFIX_REF_BUF_ADDR(addr, base)  addr = (VOID *) ((UINTN) (addr) + (UINTN) (base))
46
47//
48// The data structure used to store the genernall information of IPsec configuration.
49//
50typedef struct {
51  UINT32 VariableCount;      // the total number of the IPsecConfig variables.
52  UINT32 VariableSize;       // The total size of all IpsecConfig variables.
53  UINT32 SingleVariableSize; // The max size of single variable
54} IP_SEC_VARIABLE_INFO;
55
56typedef struct {
57  EFI_IPSEC_CONFIG_SELECTOR *Selector;
58  VOID                      *Data;
59  LIST_ENTRY                List;
60} IPSEC_COMMON_POLICY_ENTRY;
61
62typedef struct {
63  UINT8 *Ptr;
64  UINTN Size;
65  UINTN Capacity;
66} IPSEC_VARIABLE_BUFFER;
67
68#pragma pack(1)
69typedef struct {
70  UINT8   Type;
71  UINT16  Size;
72} IPSEC_VAR_ITEM_HEADER;
73#pragma pack()
74
75/**
76  The prototype of Copy Source Selector to the Destination Selector.
77
78  @param[in, out] DstSel             Pointer of Destination Selector. It would be
79                                     SPD Selector, or SAD Selector or PAD Selector.
80  @param[in]      SrcSel             Pointer of Source  Selector. It would be
81                                     SPD Selector, or SAD Selector or PAD Selector.
82  @param[in, out] Size               The size of the Destination Selector. If it
83                                     is not NULL and its value is less than the size of
84                                     Source Selector, the value of Source Selector's
85                                     size will be passed to the caller by this parameter.
86
87  @retval EFI_INVALID_PARAMETER  If the Destination or Source Selector is NULL.
88  @retval EFI_BUFFER_TOO_SMALL   If the input Size is less than size of Source Selector.
89  @retval EFI_SUCCESS            Copy Source Selector to the Destination
90                                 Selector successfully.
91
92**/
93typedef
94EFI_STATUS
95(*IPSEC_DUPLICATE_SELECTOR) (
96  IN OUT EFI_IPSEC_CONFIG_SELECTOR    *DstSel,
97  IN     EFI_IPSEC_CONFIG_SELECTOR    *SrcSel,
98  IN OUT UINTN                        *Size
99  );
100
101/**
102  It is prototype of compare two Selectors. The Selector would be SPD Selector,
103  or SAD Selector, or PAD selector.
104
105  @param[in]   Selector1           Pointer of the first  Selector.
106  @param[in]   Selector2           Pointer of the second Selector.
107
108  @retval  TRUE    These two Selectors have the same value in certain fields.
109  @retval  FALSE   Not all fields have the same value in these two Selectors.
110
111**/
112typedef
113BOOLEAN
114(*IPSEC_COMPARE_SELECTOR) (
115  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector1,
116  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector2
117  );
118
119/**
120  The prototype of a function to check if the Selector is Zero by its certain fields.
121
122  @param[in]  Selector      Pointer of the Selector.
123
124  @retval     TRUE          If the Selector is Zero.
125  @retval     FALSE         If the Selector is not Zero.
126
127**/
128typedef
129BOOLEAN
130(*IPSEC_IS_ZERO_SELECTOR) (
131  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector
132  );
133
134/**
135  The prototype of a function to fix the value of particular members of the Selector.
136
137  @param[in]  Selector              Pointer of Selector.
138  @param[in]  Data                  Pointer of Data.
139
140**/
141typedef
142VOID
143(*IPSEC_FIX_POLICY_ENTRY) (
144  IN EFI_IPSEC_CONFIG_SELECTOR           *Selector,
145  IN VOID                                *Data
146  );
147
148/**
149  It is prototype function to define a routine function by the caller of IpSecVisitConfigData().
150
151  @param[in]      Type              A specified IPSEC_CONFIG_DATA_TYPE.
152  @param[in]      Selector          Points to EFI_IPSEC_CONFIG_SELECTOR to be copied
153                                    to the buffer.
154  @param[in]      Data              Points to data to be copied to the buffer. The
155                                    Data type is related to the Type.
156  @param[in]      SelectorSize      The size of the Selector.
157  @param[in]      DataSize          The size of the Data.
158  @param[in, out] Buffer            The buffer to store the Selector and Data.
159
160  @retval EFI_SUCCESS            Copied the Selector and Data to a buffer successfully.
161  @retval EFI_OUT_OF_RESOURCES   The required system resource could not be allocated.
162
163**/
164typedef
165EFI_STATUS
166(*IPSEC_COPY_POLICY_ENTRY) (
167  IN     EFI_IPSEC_CONFIG_DATA_TYPE          Type,
168  IN     EFI_IPSEC_CONFIG_SELECTOR           *Selector,
169  IN     VOID                                *Data,
170  IN     UINTN                               SelectorSize,
171  IN     UINTN                               DataSize,
172  IN OUT VOID                                *Context
173  );
174
175/**
176  Set the security policy information for the EFI IPsec driver.
177
178  The IPsec configuration data has a unique selector/identifier separately to
179  identify a data entry.
180
181  @param[in]  Selector           Pointer to an entry selector on operated
182                                 configuration data specified by DataType.
183                                 A NULL Selector causes the entire specified-type
184                                 configuration information to be flushed.
185  @param[in]  Data               The data buffer to be set.
186  @param[in]  Context            Pointer to one entry selector that describes
187                                 the expected position the new data entry will
188                                 be added. If Context is NULL, the new entry will
189                                 be appended to the end of the database.
190
191  @retval EFI_INVALID_PARAMETER Certain Parameters are not correct. The Parameter
192                                requiring a check depends on the Selector type.
193  @retval EFI_OUT_OF_RESOURCED  The required system resource could not be allocated.
194  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
195
196**/
197typedef
198EFI_STATUS
199(*IPSEC_SET_POLICY_ENTRY) (
200  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector,
201  IN VOID                             *Data,
202  IN VOID                             *Context OPTIONAL
203  );
204
205/**
206  A prototype function definition to lookup the data entry from IPsec. Return the configuration
207  value of the specified Entry.
208
209  @param[in]      Selector      Pointer to an entry selector that is an identifier
210                                of the  entry.
211  @param[in, out] DataSize      On output, the size of data returned in Data.
212  @param[out]     Data          The buffer to return the contents of the IPsec
213                                configuration data. The type of the data buffer
214                                is associated with the DataType.
215
216  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
217  @retval EFI_INVALID_PARAMETER Data is NULL and *DataSize is not zero.
218  @retval EFI_NOT_FOUND         The configuration data specified by Selector is not found.
219  @retval EFI_BUFFER_TOO_SMALL  The DataSize is too small for the result. DataSize has been
220                                updated with the size needed to complete the request.
221
222**/
223typedef
224EFI_STATUS
225(*IPSEC_GET_POLICY_ENTRY) (
226  IN     EFI_IPSEC_CONFIG_SELECTOR    *Selector,
227  IN OUT UINTN                        *DataSize,
228  IN     VOID                         *Data
229  );
230
231/**
232  Compare two SPD Selectors.
233
234  Compare two SPD Selector by the fields of LocalAddressCount/RemoteAddressCount/
235  NextLayerProtocol/LocalPort/LocalPortRange/RemotePort/RemotePortRange and the
236  Local Addresses and remote Addresses.
237
238  @param[in]   Selector1           Pointer of the first SPD Selector.
239  @param[in]   Selector2           Pointer of the second SPD Selector.
240
241  @retval  TRUE    These two Selectors have the same value in above fields.
242  @retval  FALSE   Not all of the above fields have the same value in these two Selectors.
243
244**/
245BOOLEAN
246CompareSpdSelector (
247  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector1,
248  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector2
249  );
250
251
252/**
253  Visit all IPsec Configurations of specified Type and call the caller defined
254  interface.
255
256  @param[in]  DataType          The specified IPsec Config Data Type.
257  @param[in]  Routine           The function caller defined.
258  @param[in]  Context           The data passed to the Routine.
259
260  @retval EFI_OUT_OF_RESOURCES   The required system resource could not be allocated.
261  @retval EFI_SUCCESS            This function complete successfully.
262
263**/
264EFI_STATUS
265IpSecVisitConfigData (
266  IN EFI_IPSEC_CONFIG_DATA_TYPE       DataType,
267  IN IPSEC_COPY_POLICY_ENTRY          Routine,
268  IN VOID                             *Context
269  );
270
271
272/**
273  This function is the subfunction of the EFIIpSecConfigSetData.
274
275  This function call IpSecSetVaraible to set the IPsec Configuration into the firmware.
276
277  @retval EFI_OUT_OF_RESOURCES   The required system resource could not be allocated.
278  @retval EFI_SUCCESS            Saved the configration successfully.
279  @retval Others                 Other errors were found while obtaining the variable.
280
281**/
282EFI_STATUS
283IpSecConfigSave (
284  VOID
285  );
286
287/**
288  Initialize IPsecConfig protocol
289
290  @param[in, out]  Private   Pointer to IPSEC_PRIVATE_DATA. After this function finish,
291                             the pointer of IPsecConfig Protocol implementation will copy
292                             into its IPsecConfig member.
293
294  @retval     EFI_SUCCESS    Initialized the IPsecConfig Protocol successfully.
295  @retval     Others         Initializing the IPsecConfig Protocol failed.
296
297**/
298EFI_STATUS
299IpSecConfigInitialize (
300  IN OUT IPSEC_PRIVATE_DATA               *Private
301  );
302
303/**
304  Calculate the entire size of EFI_IPSEC_SPD_DATA, which includes the buffer size pointed
305  by the pointer members.
306
307  @param[in]  SpdData             Pointer to a specified EFI_IPSEC_SPD_DATA.
308
309  @return The entire size of the specified EFI_IPSEC_SPD_DATA.
310
311**/
312UINTN
313IpSecGetSizeOfEfiSpdData (
314  IN EFI_IPSEC_SPD_DATA               *SpdData
315  );
316
317/**
318  Calculate the a entire size of IPSEC_SPD_DATA, which includes the buffer size pointed
319  by the pointer members and the buffer size used by Sa List.
320
321  @param[in]  SpdData       Pointer to the specified IPSEC_SPD_DATA.
322
323  @return The entire size of IPSEC_SPD_DATA.
324
325**/
326UINTN
327IpSecGetSizeOfSpdData (
328  IN IPSEC_SPD_DATA                   *SpdData
329  );
330
331/**
332  Copy Source Process Policy to the Destination Process Policy.
333
334  @param[in]  Dst                  Pointer to the Source Process Policy.
335  @param[in]  Src                  Pointer to the Destination Process Policy.
336
337**/
338VOID
339IpSecDuplicateProcessPolicy (
340  IN EFI_IPSEC_PROCESS_POLICY            *Dst,
341  IN EFI_IPSEC_PROCESS_POLICY            *Src
342  );
343
344/**
345  Find if the two SPD Selectors has subordinative.
346
347  Compare two SPD Selector by the fields of LocalAddressCount/RemoteAddressCount/
348  NextLayerProtocol/LocalPort/LocalPortRange/RemotePort/RemotePortRange and the
349  Local Addresses and remote Addresses.
350
351  @param[in]   Selector1           Pointer of first SPD Selector.
352  @param[in]   Selector2           Pointer of second SPD Selector.
353
354  @retval  TRUE    The first SPD Selector is subordinate Selector of second SPD Selector.
355  @retval  FALSE   The first SPD Selector is not subordinate Selector of second
356                   SPD Selector.
357
358**/
359BOOLEAN
360IsSubSpdSelector (
361  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector1,
362  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector2
363  );
364
365/**
366  Compare two SA IDs.
367
368  @param[in]   Selector1           Pointer of the first SA ID.
369  @param[in]   Selector2           Pointer of the second SA ID.
370
371  @retval  TRUE    This two Selectors have the same SA ID.
372  @retval  FALSE   This two Selecotrs don't have the same SA ID.
373
374**/
375BOOLEAN
376CompareSaId (
377  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector1,
378  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector2
379  );
380
381/**
382  Compare two PAD IDs.
383
384  @param[in]   Selector1           Pointer of the first PAD ID.
385  @param[in]   Selector2           Pointer of the second PAD ID.
386
387  @retval  TRUE    This two Selectors have the same PAD ID.
388  @retval  FALSE   This two Selecotrs don't have the same PAD ID.
389
390**/
391BOOLEAN
392ComparePadId (
393  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector1,
394  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector2
395  );
396
397/**
398  Check if the SPD Selector is Zero by its LocalAddressCount and RemoteAddressCount
399  fields.
400
401  @param[in]  Selector      Pointer of the SPD Selector.
402
403  @retval     TRUE          If the SPD Selector is Zero.
404  @retval     FALSE         If the SPD Selector is not Zero.
405
406**/
407BOOLEAN
408IsZeroSpdSelector (
409  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector
410  );
411
412/**
413  Check if the SA ID is Zero by its DestAddress.
414
415  @param[in]  Selector      Pointer of the SA ID.
416
417  @retval     TRUE          If the SA ID is Zero.
418  @retval     FALSE         If the SA ID is not Zero.
419
420**/
421BOOLEAN
422IsZeroSaId (
423  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector
424  );
425
426/**
427  Check if the PAD ID is Zero.
428
429  @param[in]  Selector      Pointer of the PAD ID.
430
431  @retval     TRUE          If the PAD ID is Zero.
432  @retval     FALSE         If the PAD ID is not Zero.
433
434**/
435BOOLEAN
436IsZeroPadId (
437  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector
438  );
439
440/**
441  Copy Source SPD Selector to the Destination SPD Selector.
442
443  @param[in, out] DstSel             Pointer of Destination SPD Selector.
444  @param[in]      SrcSel             Pointer of Source SPD Selector.
445  @param[in, out] Size               The size of the Destination SPD Selector. If
446                                     it is not NULL and its value is less than the
447                                     size of Source SPD Selector, the value of
448                                     Source SPD Selector's size will be passed to
449                                     the caller by this parameter.
450
451  @retval EFI_INVALID_PARAMETER  If the Destination or Source SPD Selector is NULL.
452  @retval EFI_BUFFER_TOO_SMALL   If the input Size is less than size of Source SPD Selector.
453  @retval EFI_SUCCESS            Copy Source SPD Selector to the Destination SPD
454                                 Selector successfully.
455
456**/
457EFI_STATUS
458DuplicateSpdSelector (
459  IN OUT EFI_IPSEC_CONFIG_SELECTOR    *DstSel,
460  IN     EFI_IPSEC_CONFIG_SELECTOR    *SrcSel,
461  IN OUT UINTN                        *Size
462  );
463
464/**
465  Copy Source SA ID to the Destination SA ID.
466
467  @param[in, out] DstSel             Pointer of the Destination SA ID.
468  @param[in]      SrcSel             Pointer of the Source SA ID.
469  @param[in, out] Size               The size of the Destination SA ID. If it
470                                     not NULL, and its value is less than the size of
471                                     Source SA ID, the value of Source SA ID's size
472                                     will be passed to the caller by this parameter.
473
474  @retval EFI_INVALID_PARAMETER  If the Destination or Source SA ID is NULL.
475  @retval EFI_BUFFER_TOO_SMALL   If the input Size less than size of source SA ID.
476  @retval EFI_SUCCESS            Copied Source SA ID to the Destination SA ID successfully.
477
478**/
479EFI_STATUS
480DuplicateSaId (
481  IN OUT EFI_IPSEC_CONFIG_SELECTOR    *DstSel,
482  IN     EFI_IPSEC_CONFIG_SELECTOR    *SrcSel,
483  IN OUT UINTN                        *Size
484  );
485
486/**
487  Copy Source PAD ID to the Destination PAD ID.
488
489  @param[in, out] DstSel             Pointer of Destination PAD ID.
490  @param[in]      SrcSel             Pointer of Source PAD ID.
491  @param[in, out] Size               The size of the Destination PAD ID. If it
492                                     not NULL, and its value less than the size of
493                                     Source PAD ID, the value of Source PAD ID's size
494                                     will be passed to the caller by this parameter.
495
496  @retval EFI_INVALID_PARAMETER  If the Destination or Source PAD ID is NULL.
497  @retval EFI_BUFFER_TOO_SMALL   If the input Size less than size of source PAD ID.
498  @retval EFI_SUCCESS            Copied Source PAD ID to the Destination PAD ID successfully.
499
500**/
501EFI_STATUS
502DuplicatePadId (
503  IN OUT EFI_IPSEC_CONFIG_SELECTOR    *DstSel,
504  IN     EFI_IPSEC_CONFIG_SELECTOR    *SrcSel,
505  IN OUT UINTN                        *Size
506  );
507
508/**
509  Fix the value of some members of the  SPD Selector.
510
511  This function is called by IpSecCopyPolicyEntry(), which copies the Policy
512  Entry into the Variable. Since some members in SPD Selector are pointers,
513  a physical address to relative address conversion is required before copying
514  this SPD entry into the variable.
515
516  @param[in]       Selector              Pointer of SPD Selector.
517  @param[in, out]  Data                  Pointer of SPD Data.
518
519**/
520VOID
521FixSpdEntry (
522  IN     EFI_IPSEC_SPD_SELECTOR            *Selector,
523  IN OUT EFI_IPSEC_SPD_DATA                *Data
524  );
525
526/**
527  Fix the value of some members of SA ID.
528
529  This function is called by IpSecCopyPolicyEntry(), which copies the Policy
530  Entry into the Variable. Since some members in SA ID are pointers,
531  a physical address to relative address conversion is required before copying
532  this SAD into the variable.
533
534  @param[in]       SaId              Pointer of SA ID.
535  @param[in, out]  Data              Pointer of SA Data.
536
537**/
538VOID
539FixSadEntry (
540  IN     EFI_IPSEC_SA_ID                  *SaId,
541  IN OUT EFI_IPSEC_SA_DATA2                *Data
542  );
543
544/**
545  Fix the value of some members of PAD ID.
546
547  This function is called by IpSecCopyPolicyEntry(), which copy the Policy
548  Entry into the Variable. Since some members in PAD ID are pointers,
549  a physical address to relative address conversion is required before copying
550  this PAD into the variable.
551
552  @param[in]       PadId              Pointer of PAD ID.
553  @param[in, out]  Data               Pointer of PAD Data.
554
555**/
556VOID
557FixPadEntry (
558  IN     EFI_IPSEC_PAD_ID                  *PadId,
559  IN OUT EFI_IPSEC_PAD_DATA                *Data
560  );
561
562/**
563  Recover the value of some members of SPD Selector.
564
565  This function is corresponding to FixSpdEntry(). It recovers the value of members
566  of SPD Selector which fix by the FixSpdEntry().
567
568  @param[in, out]  Selector              Pointer of SPD Selector.
569  @param[in, out]  Data                  Pointer of SPD Data.
570
571**/
572VOID
573UnfixSpdEntry (
574  IN OUT EFI_IPSEC_SPD_SELECTOR           *Selector,
575  IN OUT EFI_IPSEC_SPD_DATA               *Data
576  );
577
578
579/**
580  Recover the value of some members of SA ID.
581
582  This function is corresponding to FixSadEntry(). It recovers the value of members
583  of SAD ID which fix by the FixSadEntry().
584
585  @param[in, out]       SaId              Pointer of SAD ID
586  @param[in, out]  Data              Pointer of SAD Data.
587
588**/
589VOID
590UnfixSadEntry (
591  IN OUT EFI_IPSEC_SA_ID                     *SaId,
592  IN OUT EFI_IPSEC_SA_DATA2                   *Data
593  );
594
595/**
596  Recover the value of some members of PAD ID.
597
598  This function is corresponding to FixPadEntry(). It recovers the value of members
599  of PAD ID which fix by the FixPadEntry().
600
601  @param[in]       PadId              Pointer of PAD ID
602  @param[in, out]  Data               Pointer of PAD Data.
603
604**/
605VOID
606UnfixPadEntry (
607  IN     EFI_IPSEC_PAD_ID                 *PadId,
608  IN OUT EFI_IPSEC_PAD_DATA               *Data
609  );
610
611/**
612  Set the security policy information for the EFI IPsec driver.
613
614  The IPsec configuration data has a unique selector/identifier separately to
615  identify a data entry.
616
617  @param[in]  Selector           Pointer to an entry selector on operated
618                                 configuration data specified by DataType.
619                                 A NULL Selector causes the entire specified-type
620                                 configuration information to be flushed.
621  @param[in]  Data               The data buffer to be set. The structure
622                                 of the data buffer should be EFI_IPSEC_SPD_DATA.
623  @param[in]  Context            Pointer to one entry selector that describes
624                                 the expected position the new data entry will
625                                 be added. If Context is NULL,the new entry will
626                                 be appended the end of database.
627
628  @retval EFI_INVALID_PARAMETER  One or more of the following are TRUE:
629                                   - Selector is not NULL and its LocalAddress
630                                     is NULL or its RemoteAddress is NULL.
631                                   - Data is not NULL, its Action is Protected,
632                                     and its policy is NULL.
633                                   - Data is not NULL and its Action is not protected
634                                     and its policy is not NULL.
635                                   - The Action of Data is Protected, its policy
636                                     mode is Tunnel, and its tunnel option is NULL.
637                                   - The Action of Data is protected, its policy
638                                     mode is not Tunnel, and it tunnel option is not NULL.
639  @retval EFI_OUT_OF_RESOURCED  The required system resource could not be allocated.
640  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
641
642**/
643EFI_STATUS
644SetSpdEntry (
645  IN EFI_IPSEC_CONFIG_SELECTOR       *Selector,
646  IN VOID                            *Data,
647  IN VOID                            *Context OPTIONAL
648  );
649
650/**
651  Set the security association information for the EFI IPsec driver.
652
653  The IPsec configuration data has a unique selector/identifier separately to
654  identify a data entry.
655
656  @param[in]  Selector           Pointer to an entry selector on operated
657                                 configuration data specified by DataType.
658                                 A NULL Selector causes the entire specified-type
659                                 configuration information to be flushed.
660  @param[in]  Data               The data buffer to be set. The structure
661                                 of the data buffer should be EFI_IPSEC_SA_DATA.
662  @param[in]  Context            Pointer to one entry selector which describes
663                                 the expected position the new data entry will
664                                 be added. If Context is NULL,the new entry will
665                                 be appended to the end of database.
666
667  @retval EFI_OUT_OF_RESOURCED  The required system resource could not be allocated.
668  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
669
670**/
671EFI_STATUS
672SetSadEntry (
673  IN EFI_IPSEC_CONFIG_SELECTOR       *Selector,
674  IN VOID                            *Data,
675  IN VOID                            *Context OPTIONAL
676  );
677
678/**
679  Set the peer authorization configuration information for the EFI IPsec driver.
680
681  The IPsec configuration data has a unique selector/identifier separately to
682  identify a data entry.
683
684  @param[in]  Selector           Pointer to an entry selector on operated
685                                 configuration data specified by DataType.
686                                 A NULL Selector causes the entire specified-type
687                                 configuration information to be flushed.
688  @param[in]  Data               The data buffer to be set. The structure
689                                 of the data buffer should be EFI_IPSEC_PAD_DATA.
690  @param[in]  Context            Pointer to one entry selector that describes
691                                 the expected position where the new data entry will
692                                 be added. If Context is NULL, the new entry will
693                                 be appended the end of database.
694
695  @retval EFI_OUT_OF_RESOURCED  The required system resource could not be allocated.
696  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
697
698**/
699EFI_STATUS
700SetPadEntry (
701  IN EFI_IPSEC_CONFIG_SELECTOR       *Selector,
702  IN VOID                            *Data,
703  IN VOID                            *Context OPTIONAL
704  );
705
706/**
707  This function looks up the data entry from IPsec SPD, and returns the configuration
708  value of the specified SPD Entry.
709
710  @param[in]      Selector      Pointer to an entry selector which is an identifier
711                                of the SPD entry.
712  @param[in, out] DataSize      On output the size of data returned in Data.
713  @param[out]     Data          The buffer to return the contents of the IPsec
714                                configuration data. The type of the data buffer
715                                is associated with the DataType.
716
717  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
718  @retval EFI_INVALID_PARAMETER Data is NULL and *DataSize is not zero.
719  @retval EFI_NOT_FOUND         The configuration data specified by Selector is not found.
720  @retval EFI_BUFFER_TOO_SMALL  The DataSize is too small for the result. DataSize has been
721                                updated with the size needed to complete the request.
722
723**/
724EFI_STATUS
725GetSpdEntry (
726  IN     EFI_IPSEC_CONFIG_SELECTOR    *Selector,
727  IN OUT UINTN                        *DataSize,
728     OUT VOID                         *Data
729  );
730
731/**
732  This function looks up the data entry from IPsec SAD and returns the configuration
733  value of the specified SAD Entry.
734
735  @param[in]      Selector      Pointer to an entry selector that is an identifier
736                                of the SAD entry.
737  @param[in, out] DataSize      On output, the size of data returned in Data.
738  @param[out]     Data          The buffer to return the contents of the IPsec
739                                configuration data. This type of the data buffer
740                                is associated with the DataType.
741
742  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
743  @retval EFI_NOT_FOUND         The configuration data specified by Selector is not found.
744  @retval EFI_BUFFER_TOO_SMALL  The DataSize is too small for the result. DataSize has been
745                                updated with the size needed to complete the request.
746
747**/
748EFI_STATUS
749GetSadEntry (
750  IN     EFI_IPSEC_CONFIG_SELECTOR   *Selector,
751  IN OUT UINTN                       *DataSize,
752     OUT VOID                        *Data
753  );
754
755/**
756  This function looks up the data entry from IPsec PADand returns the configuration
757  value of the specified PAD Entry.
758
759  @param[in]      Selector      Pointer to an entry selector that  is an identifier
760                                of the PAD entry.
761  @param[in, out] DataSize      On output the size of data returned in Data.
762  @param[out]     Data          The buffer to return the contents of the IPsec
763                                configuration data. This type of the data buffer
764                                is associated with the DataType.
765
766  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
767  @retval EFI_NOT_FOUND         The configuration data specified by Selector is not found.
768  @retval EFI_BUFFER_TOO_SMALL  The DataSize is too small for the result. DataSize has been
769                                updated with the size needed to complete the request.
770
771**/
772EFI_STATUS
773GetPadEntry (
774  IN     EFI_IPSEC_CONFIG_SELECTOR   *Selector,
775  IN OUT UINTN                       *DataSize,
776     OUT VOID                        *Data
777  );
778
779/**
780  Return the configuration value for the EFI IPsec driver.
781
782  This function lookup the data entry from IPsec database or IKEv2 configuration
783  information. The expected data type and unique identification are described in
784  DataType and Selector parameters.
785
786  @param[in]      This          Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
787  @param[in]      DataType      The type of data to retrieve.
788  @param[in]      Selector      Pointer to an entry selector that is an identifier of the IPsec
789                                configuration data entry.
790  @param[in, out] DataSize      On output the size of data returned in Data.
791  @param[out]     Data          The buffer to return the contents of the IPsec configuration data.
792                                The type of the data buffer is associated with the DataType.
793
794  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
795  @retval EFI_INVALID_PARAMETER One or more of the followings are TRUE:
796                                - This is NULL.
797                                - Selector is NULL.
798                                - DataSize is NULL.
799                                - Data is NULL and *DataSize is not zero
800  @retval EFI_NOT_FOUND         The configuration data specified by Selector is not found.
801  @retval EFI_UNSUPPORTED       The specified DataType is not supported.
802  @retval EFI_BUFFER_TOO_SMALL  The DataSize is too small for the result. DataSize has been
803                                updated with the size needed to complete the request.
804
805**/
806EFI_STATUS
807EFIAPI
808EfiIpSecConfigGetData (
809  IN     EFI_IPSEC_CONFIG_PROTOCOL    *This,
810  IN     EFI_IPSEC_CONFIG_DATA_TYPE   DataType,
811  IN     EFI_IPSEC_CONFIG_SELECTOR    *Selector,
812  IN OUT UINTN                        *DataSize,
813     OUT VOID                         *Data
814  );
815
816/**
817  Set the security association, security policy and peer authorization configuration
818  information for the EFI IPsec driver.
819
820  This function is used to set the IPsec configuration information of type DataType for
821  the EFI IPsec driver.
822  The IPsec configuration data has a unique selector/identifier separately to identify
823  a data entry. The selector structure depends on DataType's definition.
824  Using SetData() with a Data of NULL causes the IPsec configuration data entry identified
825  by DataType and Selector to be deleted.
826
827  @param[in] This               Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
828  @param[in] DataType           The type of data to be set.
829  @param[in] Selector           Pointer to an entry selector on operated configuration data
830                                specified by DataType. A NULL Selector causes the entire
831                                specified-type configuration information to be flushed.
832  @param[in] Data               The data buffer to be set. The structure of the data buffer is
833                                associated with the DataType.
834  @param[in] InsertBefore       Pointer to one entry selector which describes the expected
835                                position the new data entry will be added. If InsertBefore is NULL,
836                                the new entry will be appended the end of database.
837
838  @retval EFI_SUCCESS           The specified configuration entry data was set successfully.
839  @retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
840                                - This is NULL.
841  @retval EFI_UNSUPPORTED       The specified DataType is not supported.
842  @retval EFI_OUT_OF_RESOURCED  The required system resource could not be allocated.
843
844**/
845EFI_STATUS
846EFIAPI
847EfiIpSecConfigSetData (
848  IN EFI_IPSEC_CONFIG_PROTOCOL        *This,
849  IN EFI_IPSEC_CONFIG_DATA_TYPE       DataType,
850  IN EFI_IPSEC_CONFIG_SELECTOR        *Selector,
851  IN VOID                             *Data,
852  IN EFI_IPSEC_CONFIG_SELECTOR        *InsertBefore OPTIONAL
853  );
854
855/**
856  Enumerates the current selector for IPsec configuration data entry.
857
858  This function is called multiple times to retrieve the entry Selector in IPsec
859  configuration database. On each call to GetNextSelector(), the next entry
860  Selector are retrieved into the output interface.
861
862  If the entire IPsec configuration database has been iterated, the error
863  EFI_NOT_FOUND is returned.
864  If the Selector buffer is too small for the next Selector copy, an
865  EFI_BUFFER_TOO_SMALL error is returned, and SelectorSize is updated to reflect
866  the size of buffer needed.
867
868  On the initial call to GetNextSelector() to start the IPsec configuration database
869  search, a pointer to the buffer with all zero value is passed in Selector. Calls
870  to SetData() between calls to GetNextSelector may produce unpredictable results.
871
872  @param[in]      This          Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
873  @param[in]      DataType      The type of IPsec configuration data to retrieve.
874  @param[in, out] SelectorSize  The size of the Selector buffer.
875  @param[in, out] Selector      On input, supplies the pointer to last Selector that was
876                                returned by GetNextSelector().
877                                On output, returns one copy of the current entry Selector
878                                of a given DataType.
879
880  @retval EFI_SUCCESS           The specified configuration data was obtained successfully.
881  @retval EFI_INVALID_PARAMETER One or more of the followings are TRUE:
882                                - This is NULL.
883                                - SelectorSize is NULL.
884                                - Selector is NULL.
885  @retval EFI_NOT_FOUND         The next configuration data entry was not found.
886  @retval EFI_UNSUPPORTED       The specified DataType is not supported.
887  @retval EFI_BUFFER_TOO_SMALL  The SelectorSize is too small for the result. This parameter
888                                has been updated with the size needed to complete the search
889                                request.
890
891**/
892EFI_STATUS
893EFIAPI
894EfiIpSecConfigGetNextSelector (
895  IN     EFI_IPSEC_CONFIG_PROTOCOL    *This,
896  IN     EFI_IPSEC_CONFIG_DATA_TYPE   DataType,
897  IN OUT UINTN                        *SelectorSize,
898  IN OUT EFI_IPSEC_CONFIG_SELECTOR    *Selector
899  );
900
901/**
902  Register an event that is to be signaled whenever a configuration process on the
903  specified IPsec configuration information is done.
904
905  The register function is not surpport now and always returns EFI_UNSUPPORTED.
906
907  @param[in] This               Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
908  @param[in] DataType           The type of data to be registered the event for.
909  @param[in] Event              The event to be registered.
910
911  @retval EFI_SUCCESS           The event is registered successfully.
912  @retval EFI_INVALID_PARAMETER This is NULL, or Event is NULL.
913  @retval EFI_ACCESS_DENIED     The Event is already registered for the DataType.
914  @retval EFI_UNSUPPORTED       The notify registration unsupported, or the specified
915                                DataType is not supported.
916
917**/
918EFI_STATUS
919EFIAPI
920EfiIpSecConfigRegisterNotify (
921  IN EFI_IPSEC_CONFIG_PROTOCOL        *This,
922  IN EFI_IPSEC_CONFIG_DATA_TYPE       DataType,
923  IN EFI_EVENT                        Event
924  );
925
926
927/**
928  Remove the specified event that was previously registered on the specified IPsec
929  configuration data.
930
931  This function is not supported now and always returns EFI_UNSUPPORTED.
932
933  @param[in] This               Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
934  @param[in] DataType           The configuration data type to remove the registered event for.
935  @param[in] Event              The event to be unregistered.
936
937  @retval EFI_SUCCESS           The event was removed successfully.
938  @retval EFI_NOT_FOUND         The Event specified by DataType could not be found in the
939                                database.
940  @retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
941  @retval EFI_UNSUPPORTED       The notify registration unsupported or the specified
942                                DataType is not supported.
943
944**/
945EFI_STATUS
946EFIAPI
947EfiIpSecConfigUnregisterNotify (
948  IN EFI_IPSEC_CONFIG_PROTOCOL        *This,
949  IN EFI_IPSEC_CONFIG_DATA_TYPE       DataType,
950  IN EFI_EVENT                        Event
951  );
952
953extern LIST_ENTRY   mConfigData[IPsecConfigDataTypeMaximum];
954
955#endif
956