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-rw-r--r--NetworkPkg/IpSecDxe/IpSecConfigImpl.c2928
1 files changed, 2928 insertions, 0 deletions
diff --git a/NetworkPkg/IpSecDxe/IpSecConfigImpl.c b/NetworkPkg/IpSecDxe/IpSecConfigImpl.c
new file mode 100644
index 0000000000..e671e42e27
--- /dev/null
+++ b/NetworkPkg/IpSecDxe/IpSecConfigImpl.c
@@ -0,0 +1,2928 @@
+/** @file
+ The implementation of IPSEC_CONFIG_PROTOCOL.
+
+ Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "IpSecConfigImpl.h"
+#include "IpSecDebug.h"
+
+LIST_ENTRY mConfigData[IPsecConfigDataTypeMaximum];
+BOOLEAN mSetBySelf = FALSE;
+
+//
+// Common CompareSelector routine entry for spd/sad/pad.
+//
+IPSEC_COMPARE_SELECTOR mCompareSelector[] = {
+ (IPSEC_COMPARE_SELECTOR) CompareSpdSelector,
+ (IPSEC_COMPARE_SELECTOR) CompareSaId,
+ (IPSEC_COMPARE_SELECTOR) ComparePadId
+};
+
+//
+// Common IsZeroSelector routine entry for spd/sad/pad.
+//
+IPSEC_IS_ZERO_SELECTOR mIsZeroSelector[] = {
+ (IPSEC_IS_ZERO_SELECTOR) IsZeroSpdSelector,
+ (IPSEC_IS_ZERO_SELECTOR) IsZeroSaId,
+ (IPSEC_IS_ZERO_SELECTOR) IsZeroPadId
+};
+
+//
+// Common DuplicateSelector routine entry for spd/sad/pad.
+//
+IPSEC_DUPLICATE_SELECTOR mDuplicateSelector[] = {
+ (IPSEC_DUPLICATE_SELECTOR) DuplicateSpdSelector,
+ (IPSEC_DUPLICATE_SELECTOR) DuplicateSaId,
+ (IPSEC_DUPLICATE_SELECTOR) DuplicatePadId
+};
+
+//
+// Common FixPolicyEntry routine entry for spd/sad/pad.
+//
+IPSEC_FIX_POLICY_ENTRY mFixPolicyEntry[] = {
+ (IPSEC_FIX_POLICY_ENTRY) FixSpdEntry,
+ (IPSEC_FIX_POLICY_ENTRY) FixSadEntry,
+ (IPSEC_FIX_POLICY_ENTRY) FixPadEntry
+};
+
+//
+// Common UnfixPolicyEntry routine entry for spd/sad/pad.
+//
+IPSEC_FIX_POLICY_ENTRY mUnfixPolicyEntry[] = {
+ (IPSEC_FIX_POLICY_ENTRY) UnfixSpdEntry,
+ (IPSEC_FIX_POLICY_ENTRY) UnfixSadEntry,
+ (IPSEC_FIX_POLICY_ENTRY) UnfixPadEntry
+};
+
+//
+// Common SetPolicyEntry routine entry for spd/sad/pad.
+//
+IPSEC_SET_POLICY_ENTRY mSetPolicyEntry[] = {
+ (IPSEC_SET_POLICY_ENTRY) SetSpdEntry,
+ (IPSEC_SET_POLICY_ENTRY) SetSadEntry,
+ (IPSEC_SET_POLICY_ENTRY) SetPadEntry
+};
+
+//
+// Common GetPolicyEntry routine entry for spd/sad/pad.
+//
+IPSEC_GET_POLICY_ENTRY mGetPolicyEntry[] = {
+ (IPSEC_GET_POLICY_ENTRY) GetSpdEntry,
+ (IPSEC_GET_POLICY_ENTRY) GetSadEntry,
+ (IPSEC_GET_POLICY_ENTRY) GetPadEntry
+};
+
+//
+// Routine entry for IpSecConfig protocol.
+//
+EFI_IPSEC_CONFIG_PROTOCOL mIpSecConfigInstance = {
+ EfiIpSecConfigSetData,
+ EfiIpSecConfigGetData,
+ EfiIpSecConfigGetNextSelector,
+ EfiIpSecConfigRegisterNotify,
+ EfiIpSecConfigUnregisterNotify
+};
+
+/**
+ Get the all IPSec configuration variables and store those variables
+ to the internal data structure.
+
+ This founction is called by IpSecConfigInitialize() that is to intialize the
+ IPsecConfiguration Protocol.
+
+ @param[in] Private Point to IPSEC_PRIVATE_DATA.
+
+ @retval EFI_OUT_OF_RESOURCES The required system resource could not be allocated.
+ @retval EFI_SUCCESS Restore the IPsec Configuration successfully.
+ @retval others Other errors is found during the variable getting.
+
+**/
+EFI_STATUS
+IpSecConfigRestore (
+ IN IPSEC_PRIVATE_DATA *Private
+ );
+
+/**
+ Check if the specified EFI_IP_ADDRESS_INFO is in EFI_IP_ADDRESS_INFO list.
+
+ @param[in] AddressInfo Pointer of IP_ADDRESS_INFO to be search in AddressInfo list.
+ @param[in] AddressInfoList A list that contains IP_ADDRESS_INFOs.
+ @param[in] AddressCount Point out how many IP_ADDRESS_INFO in the list.
+
+ @retval TRUE The specified AddressInfo is in the AddressInfoList.
+ @retval FALSE The specified AddressInfo is not in the AddressInfoList.
+
+**/
+BOOLEAN
+IsInAddressInfoList(
+ IN EFI_IP_ADDRESS_INFO *AddressInfo,
+ IN EFI_IP_ADDRESS_INFO *AddressInfoList,
+ IN UINT32 AddressCount
+ )
+{
+ UINT8 Index;
+
+ for (Index = 0; Index < AddressCount ; Index++) {
+ if (CompareMem (
+ AddressInfo,
+ &AddressInfoList[Index].Address,
+ sizeof (EFI_IP_ADDRESS)
+ ) == 0 &&
+ AddressInfo->PrefixLength == AddressInfoList[Index].PrefixLength
+ ) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+/**
+ Compare two SPD Selectors.
+
+ Compare two SPD Selector by the fields of LocalAddressCount/RemoteAddressCount/
+ NextLayerProtocol/LocalPort/LocalPortRange/RemotePort/RemotePortRange and the
+ Local Addresses and remote Addresses.
+
+ @param[in] Selector1 Pointer of first SPD Selector.
+ @param[in] Selector2 Pointer of second SPD Selector.
+
+ @retval TRUE This two Selector have the same value in above fields.
+ @retval FALSE Not all above fields have the same value in these two Selectors.
+
+**/
+BOOLEAN
+CompareSpdSelector (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector1,
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector2
+ )
+{
+ EFI_IPSEC_SPD_SELECTOR *SpdSel1;
+ EFI_IPSEC_SPD_SELECTOR *SpdSel2;
+ BOOLEAN IsMatch;
+ UINTN Index;
+
+ SpdSel1 = &Selector1->SpdSelector;
+ SpdSel2 = &Selector2->SpdSelector;
+ IsMatch = TRUE;
+
+ //
+ // Compare the LocalAddressCount/RemoteAddressCount/NextLayerProtocol/
+ // LocalPort/LocalPortRange/RemotePort/RemotePortRange fields in the
+ // two Spdselectors. Since the SPD supports two directions, it needs to
+ // compare two directions.
+ //
+ if ((SpdSel1->LocalAddressCount != SpdSel2->LocalAddressCount &&
+ SpdSel1->LocalAddressCount != SpdSel2->RemoteAddressCount) ||
+ (SpdSel1->RemoteAddressCount != SpdSel2->RemoteAddressCount &&
+ SpdSel1->RemoteAddressCount != SpdSel2->LocalAddressCount) ||
+ SpdSel1->NextLayerProtocol != SpdSel2->NextLayerProtocol ||
+ SpdSel1->LocalPort != SpdSel2->LocalPort ||
+ SpdSel1->LocalPortRange != SpdSel2->LocalPortRange ||
+ SpdSel1->RemotePort != SpdSel2->RemotePort ||
+ SpdSel1->RemotePortRange != SpdSel2->RemotePortRange
+ ) {
+ IsMatch = FALSE;
+ return IsMatch;
+ }
+
+ //
+ // Compare the all LocalAddress fields in the two Spdselectors.
+ // First, SpdSel1->LocalAddress to SpdSel2->LocalAddress && Compare
+ // SpdSel1->RemoteAddress to SpdSel2->RemoteAddress. If all match, return
+ // TRUE.
+ //
+ for (Index = 0; Index < SpdSel1->LocalAddressCount; Index++) {
+ if (!IsInAddressInfoList (
+ &SpdSel1->LocalAddress[Index],
+ SpdSel2->LocalAddress,
+ SpdSel2->LocalAddressCount
+ )) {
+ IsMatch = FALSE;
+ break;
+ }
+ }
+ if (IsMatch) {
+ for (Index = 0; Index < SpdSel2->LocalAddressCount; Index++) {
+ if (!IsInAddressInfoList (
+ &SpdSel2->LocalAddress[Index],
+ SpdSel1->LocalAddress,
+ SpdSel1->LocalAddressCount
+ )) {
+ IsMatch = FALSE;
+ break;
+ }
+ }
+ }
+ if (IsMatch) {
+ for (Index = 0; Index < SpdSel1->RemoteAddressCount; Index++) {
+ if (!IsInAddressInfoList (
+ &SpdSel1->RemoteAddress[Index],
+ SpdSel2->RemoteAddress,
+ SpdSel2->RemoteAddressCount
+ )) {
+ IsMatch = FALSE;
+ break;
+ }
+ }
+ }
+ if (IsMatch) {
+ for (Index = 0; Index < SpdSel2->RemoteAddressCount; Index++) {
+ if (!IsInAddressInfoList (
+ &SpdSel2->RemoteAddress[Index],
+ SpdSel1->RemoteAddress,
+ SpdSel1->RemoteAddressCount
+ )) {
+ IsMatch = FALSE;
+ break;
+ }
+ }
+ }
+ //
+ // Finish the one direction compare. If it is matched, return; otherwise,
+ // compare the other direction.
+ //
+ if (IsMatch) {
+ return IsMatch;
+ }
+ //
+ // Secondly, the SpdSel1->LocalAddress doesn't equal to SpdSel2->LocalAddress and
+ // SpdSel1->RemoteAddress doesn't equal to SpdSel2->RemoteAddress. Try to compare
+ // the RemoteAddress to LocalAddress.
+ //
+ IsMatch = TRUE;
+ for (Index = 0; Index < SpdSel1->RemoteAddressCount; Index++) {
+ if (!IsInAddressInfoList (
+ &SpdSel1->RemoteAddress[Index],
+ SpdSel2->LocalAddress,
+ SpdSel2->LocalAddressCount
+ )) {
+ IsMatch = FALSE;
+ break;
+ }
+ }
+ if (IsMatch) {
+ for (Index = 0; Index < SpdSel2->RemoteAddressCount; Index++) {
+ if (!IsInAddressInfoList (
+ &SpdSel2->RemoteAddress[Index],
+ SpdSel1->LocalAddress,
+ SpdSel1->LocalAddressCount
+ )) {
+ IsMatch = FALSE;
+ break;
+ }
+ }
+ }
+ if (IsMatch) {
+ for (Index = 0; Index < SpdSel1->LocalAddressCount; Index++) {
+ if (!IsInAddressInfoList (
+ &SpdSel1->LocalAddress[Index],
+ SpdSel2->RemoteAddress,
+ SpdSel2->RemoteAddressCount
+ )) {
+ IsMatch = FALSE;
+ break;
+ }
+ }
+ }
+ if (IsMatch) {
+ for (Index = 0; Index < SpdSel2->LocalAddressCount; Index++) {
+ if (!IsInAddressInfoList (
+ &SpdSel2->LocalAddress[Index],
+ SpdSel1->RemoteAddress,
+ SpdSel1->RemoteAddressCount
+ )) {
+ IsMatch = FALSE;
+ break;
+ }
+ }
+ }
+ return IsMatch;
+}
+
+/**
+ Compare two SA IDs.
+
+ @param[in] Selector1 Pointer of first SA ID.
+ @param[in] Selector2 Pointer of second SA ID.
+
+ @retval TRUE This two Selectors have the same SA ID.
+ @retval FALSE This two Selecotrs don't have the same SA ID.
+
+**/
+BOOLEAN
+CompareSaId (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector1,
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector2
+ )
+{
+ EFI_IPSEC_SA_ID *SaId1;
+ EFI_IPSEC_SA_ID *SaId2;
+ BOOLEAN IsMatch;
+
+ SaId1 = &Selector1->SaId;
+ SaId2 = &Selector2->SaId;
+ IsMatch = TRUE;
+
+ if (CompareMem (SaId1, SaId2, sizeof (EFI_IPSEC_SA_ID)) != 0) {
+ IsMatch = FALSE;
+ }
+
+ return IsMatch;
+}
+
+/**
+ Compare two PAD IDs.
+
+ @param[in] Selector1 Pointer of first PAD ID.
+ @param[in] Selector2 Pointer of second PAD ID.
+
+ @retval TRUE This two Selectors have the same PAD ID.
+ @retval FALSE This two Selecotrs don't have the same PAD ID.
+
+**/
+BOOLEAN
+ComparePadId (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector1,
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector2
+ )
+{
+ EFI_IPSEC_PAD_ID *PadId1;
+ EFI_IPSEC_PAD_ID *PadId2;
+ BOOLEAN IsMatch;
+
+ PadId1 = &Selector1->PadId;
+ PadId2 = &Selector2->PadId;
+ IsMatch = TRUE;
+
+ //
+ // Compare the PeerIdValid fields in PadId.
+ //
+ if (PadId1->PeerIdValid != PadId2->PeerIdValid) {
+ IsMatch = FALSE;
+ }
+ //
+ // Compare the PeerId fields in PadId if PeerIdValid is true.
+ //
+ if (IsMatch &&
+ PadId1->PeerIdValid &&
+ AsciiStriCmp ((CONST CHAR8 *) PadId1->Id.PeerId, (CONST CHAR8 *) PadId2->Id.PeerId) != 0
+ ) {
+ IsMatch = FALSE;
+ }
+ //
+ // Compare the IpAddress fields in PadId if PeerIdValid is false.
+ //
+ if (IsMatch &&
+ !PadId1->PeerIdValid &&
+ (PadId1->Id.IpAddress.PrefixLength != PadId2->Id.IpAddress.PrefixLength ||
+ CompareMem (&PadId1->Id.IpAddress.Address, &PadId2->Id.IpAddress.Address, sizeof (EFI_IP_ADDRESS)) != 0)
+ ) {
+ IsMatch = FALSE;
+ }
+
+ return IsMatch;
+}
+
+/**
+ Check if the SPD Selector is Zero by its LocalAddressCount and RemoteAddressCount
+ fields.
+
+ @param[in] Selector Pointer of the SPD Selector.
+
+ @retval TRUE If the SPD Selector is Zero.
+ @retval FALSE If the SPD Selector is not Zero.
+
+**/
+BOOLEAN
+IsZeroSpdSelector (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector
+ )
+{
+ EFI_IPSEC_SPD_SELECTOR *SpdSel;
+ BOOLEAN IsZero;
+
+ SpdSel = &Selector->SpdSelector;
+ IsZero = FALSE;
+
+ if (SpdSel->LocalAddressCount == 0 && SpdSel->RemoteAddressCount == 0) {
+ IsZero = TRUE;
+ }
+
+ return IsZero;
+}
+
+/**
+ Check if the SA ID is Zero by its DestAddress.
+
+ @param[in] Selector Pointer of the SA ID.
+
+ @retval TRUE If the SA ID is Zero.
+ @retval FALSE If the SA ID is not Zero.
+
+**/
+BOOLEAN
+IsZeroSaId (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector
+ )
+{
+ EFI_IP_ADDRESS *DestAddr;
+ EFI_IP_ADDRESS ZeroAddr;
+ BOOLEAN IsZero;
+
+ DestAddr = &Selector->SaId.DestAddress;
+ IsZero = FALSE;
+
+ ZeroMem (&ZeroAddr, sizeof (EFI_IP_ADDRESS));
+
+ if (CompareMem (DestAddr, &ZeroAddr, sizeof (EFI_IP_ADDRESS)) == 0) {
+ IsZero = TRUE;
+ }
+
+ return IsZero;
+}
+
+/**
+ Check if the PAD ID is Zero.
+
+ @param[in] Selector Pointer of the PAD ID.
+
+ @retval TRUE If the PAD ID is Zero.
+ @retval FALSE If the PAD ID is not Zero.
+
+**/
+BOOLEAN
+IsZeroPadId (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector
+ )
+{
+ EFI_IPSEC_PAD_ID *PadId;
+ EFI_IPSEC_PAD_ID ZeroId;
+ BOOLEAN IsZero;
+
+ PadId = &Selector->PadId;
+ IsZero = FALSE;
+
+ ZeroMem (&ZeroId, sizeof (EFI_IPSEC_PAD_ID));
+
+ if (CompareMem (PadId, &ZeroId, sizeof (EFI_IPSEC_PAD_ID)) == 0) {
+ IsZero = TRUE;
+ }
+
+ return IsZero;
+}
+
+/**
+ Copy Source SPD Selector to the Destination SPD Selector.
+
+ @param[in, out] DstSel Pointer of Destination SPD Selector.
+ @param[in] SrcSel Pointer of Source SPD Selector.
+ @param[in, out] Size The size of the Destination SPD Selector. If it
+ not NULL and its value less than the size of
+ Source SPD Selector, the value of Source SPD
+ Selector's size will be passed to caller by this
+ parameter.
+
+ @retval EFI_INVALID_PARAMETER If the Destination or Source SPD Selector is NULL
+ @retval EFI_BUFFER_TOO_SMALL If the input Size is less than size of the Source SPD Selector.
+ @retval EFI_SUCCESS Copy Source SPD Selector to the Destination SPD
+ Selector successfully.
+
+**/
+EFI_STATUS
+DuplicateSpdSelector (
+ IN OUT EFI_IPSEC_CONFIG_SELECTOR *DstSel,
+ IN EFI_IPSEC_CONFIG_SELECTOR *SrcSel,
+ IN OUT UINTN *Size
+ )
+{
+ EFI_IPSEC_SPD_SELECTOR *Dst;
+ EFI_IPSEC_SPD_SELECTOR *Src;
+
+ Dst = &DstSel->SpdSelector;
+ Src = &SrcSel->SpdSelector;
+
+ if (Dst == NULL || Src == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Size != NULL && (*Size) < SIZE_OF_SPD_SELECTOR (Src)) {
+ *Size = SIZE_OF_SPD_SELECTOR (Src);
+ return EFI_BUFFER_TOO_SMALL;
+ }
+ //
+ // Copy the base structure of spd selector.
+ //
+ CopyMem (Dst, Src, sizeof (EFI_IPSEC_SPD_SELECTOR));
+
+ //
+ // Copy the local address array of spd selector.
+ //
+ Dst->LocalAddress = (EFI_IP_ADDRESS_INFO *) (Dst + 1);
+ CopyMem (
+ Dst->LocalAddress,
+ Src->LocalAddress,
+ sizeof (EFI_IP_ADDRESS_INFO) * Dst->LocalAddressCount
+ );
+
+ //
+ // Copy the remote address array of spd selector.
+ //
+ Dst->RemoteAddress = Dst->LocalAddress + Dst->LocalAddressCount;
+ CopyMem (
+ Dst->RemoteAddress,
+ Src->RemoteAddress,
+ sizeof (EFI_IP_ADDRESS_INFO) * Dst->RemoteAddressCount
+ );
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Copy Source SA ID to the Destination SA ID.
+
+ @param[in, out] DstSel Pointer of Destination SA ID.
+ @param[in] SrcSel Pointer of Source SA ID.
+ @param[in, out] Size The size of the Destination SA ID. If it
+ not NULL and its value less than the size of
+ Source SA ID, the value of Source SA ID's size
+ will be passed to caller by this parameter.
+
+ @retval EFI_INVALID_PARAMETER If the Destination or Source SA ID is NULL.
+ @retval EFI_BUFFER_TOO_SMALL If the input Size less than size of source SA ID.
+ @retval EFI_SUCCESS Copy Source SA ID to the Destination SA ID successfully.
+
+**/
+EFI_STATUS
+DuplicateSaId (
+ IN OUT EFI_IPSEC_CONFIG_SELECTOR *DstSel,
+ IN EFI_IPSEC_CONFIG_SELECTOR *SrcSel,
+ IN OUT UINTN *Size
+ )
+{
+ EFI_IPSEC_SA_ID *Dst;
+ EFI_IPSEC_SA_ID *Src;
+
+ Dst = &DstSel->SaId;
+ Src = &SrcSel->SaId;
+
+ if (Dst == NULL || Src == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Size != NULL && *Size < sizeof (EFI_IPSEC_SA_ID)) {
+ *Size = sizeof (EFI_IPSEC_SA_ID);
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ CopyMem (Dst, Src, sizeof (EFI_IPSEC_SA_ID));
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Copy Source PAD ID to the Destination PAD ID.
+
+ @param[in, out] DstSel Pointer of Destination PAD ID.
+ @param[in] SrcSel Pointer of Source PAD ID.
+ @param[in, out] Size The size of the Destination PAD ID. If it
+ not NULL and its value less than the size of
+ Source PAD ID, the value of Source PAD ID's size
+ will be passed to caller by this parameter.
+
+ @retval EFI_INVALID_PARAMETER If the Destination or Source PAD ID is NULL.
+ @retval EFI_BUFFER_TOO_SMALL If the input Size less than size of source PAD ID .
+ @retval EFI_SUCCESS Copy Source PAD ID to the Destination PAD ID successfully.
+
+**/
+EFI_STATUS
+DuplicatePadId (
+ IN OUT EFI_IPSEC_CONFIG_SELECTOR *DstSel,
+ IN EFI_IPSEC_CONFIG_SELECTOR *SrcSel,
+ IN OUT UINTN *Size
+ )
+{
+ EFI_IPSEC_PAD_ID *Dst;
+ EFI_IPSEC_PAD_ID *Src;
+
+ Dst = &DstSel->PadId;
+ Src = &SrcSel->PadId;
+
+ if (Dst == NULL || Src == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Size != NULL && *Size < sizeof (EFI_IPSEC_PAD_ID)) {
+ *Size = sizeof (EFI_IPSEC_PAD_ID);
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ CopyMem (Dst, Src, sizeof (EFI_IPSEC_PAD_ID));
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Fix the value of some members of SPD Selector.
+
+ This function is called by IpSecCopyPolicyEntry()which copy the Policy
+ Entry into the Variable. Since some members in SPD Selector are pointers,
+ a physical address to relative address convertion is required before copying
+ this SPD entry into the variable.
+
+ @param[in] Selector Pointer of SPD Selector.
+ @param[in, out] Data Pointer of SPD Data.
+
+**/
+VOID
+FixSpdEntry (
+ IN EFI_IPSEC_SPD_SELECTOR *Selector,
+ IN OUT EFI_IPSEC_SPD_DATA *Data
+ )
+{
+ //
+ // It assumes that all ref buffers in spd selector and data are
+ // stored in the continous memory and close to the base structure.
+ //
+ FIX_REF_BUF_ADDR (Selector->LocalAddress, Selector);
+ FIX_REF_BUF_ADDR (Selector->RemoteAddress, Selector);
+
+ if (Data->ProcessingPolicy != NULL) {
+ if (Data->ProcessingPolicy->TunnelOption != NULL) {
+ FIX_REF_BUF_ADDR (Data->ProcessingPolicy->TunnelOption, Data);
+ }
+
+ FIX_REF_BUF_ADDR (Data->ProcessingPolicy, Data);
+ }
+
+}
+
+/**
+ Fix the value of some members of SA ID.
+
+ This function is called by IpSecCopyPolicyEntry()which copy the Policy
+ Entry into the Variable. Since some members in SA ID are pointers,
+ a physical address to relative address conversion is required before copying
+ this SAD into the variable.
+
+ @param[in] SaId Pointer of SA ID
+ @param[in, out] Data Pointer of SA Data.
+
+**/
+VOID
+FixSadEntry (
+ IN EFI_IPSEC_SA_ID *SaId,
+ IN OUT EFI_IPSEC_SA_DATA *Data
+ )
+{
+ //
+ // It assumes that all ref buffers in sad selector and data are
+ // stored in the continous memory and close to the base structure.
+ //
+ if (Data->AlgoInfo.EspAlgoInfo.AuthKey != NULL) {
+ FIX_REF_BUF_ADDR (Data->AlgoInfo.EspAlgoInfo.AuthKey, Data);
+ }
+
+ if (SaId->Proto == EfiIPsecESP && Data->AlgoInfo.EspAlgoInfo.EncKey != NULL) {
+ FIX_REF_BUF_ADDR (Data->AlgoInfo.EspAlgoInfo.EncKey, Data);
+ }
+
+ if (Data->SpdSelector != NULL) {
+ if (Data->SpdSelector->LocalAddress != NULL) {
+ FIX_REF_BUF_ADDR (Data->SpdSelector->LocalAddress, Data);
+ }
+
+ FIX_REF_BUF_ADDR (Data->SpdSelector->RemoteAddress, Data);
+ FIX_REF_BUF_ADDR (Data->SpdSelector, Data);
+ }
+
+}
+
+/**
+ Fix the value of some members of PAD ID.
+
+ This function is called by IpSecCopyPolicyEntry()which copy the Policy
+ Entry into the Variable. Since some members in PAD ID are pointers,
+ a physical address to relative address conversion is required before copying
+ this PAD into the variable.
+
+ @param[in] PadId Pointer of PAD ID.
+ @param[in, out] Data Pointer of PAD Data.
+
+**/
+VOID
+FixPadEntry (
+ IN EFI_IPSEC_PAD_ID *PadId,
+ IN OUT EFI_IPSEC_PAD_DATA *Data
+ )
+{
+ //
+ // It assumes that all ref buffers in pad selector and data are
+ // stored in the continous memory and close to the base structure.
+ //
+ if (Data->AuthData != NULL) {
+ FIX_REF_BUF_ADDR (Data->AuthData, Data);
+ }
+
+ if (Data->RevocationData != NULL) {
+ FIX_REF_BUF_ADDR (Data->RevocationData, Data);
+ }
+
+}
+
+/**
+ Recover the value of some members of SPD Selector.
+
+ This function is corresponding to FixSpdEntry(). It recovers the value of members
+ of SPD Selector that are fixed by FixSpdEntry().
+
+ @param[in, out] Selector Pointer of SPD Selector.
+ @param[in, out] Data Pointer of SPD Data.
+
+**/
+VOID
+UnfixSpdEntry (
+ IN OUT EFI_IPSEC_SPD_SELECTOR *Selector,
+ IN OUT EFI_IPSEC_SPD_DATA *Data
+ )
+{
+ //
+ // It assumes that all ref buffers in spd selector and data are
+ // stored in the continous memory and close to the base structure.
+ //
+ UNFIX_REF_BUF_ADDR (Selector->LocalAddress, Selector);
+ UNFIX_REF_BUF_ADDR (Selector->RemoteAddress, Selector);
+
+ if (Data->ProcessingPolicy != NULL) {
+ UNFIX_REF_BUF_ADDR (Data->ProcessingPolicy, Data);
+ if (Data->ProcessingPolicy->TunnelOption != NULL) {
+ UNFIX_REF_BUF_ADDR (Data->ProcessingPolicy->TunnelOption, Data);
+ }
+ }
+
+}
+
+/**
+ Recover the value of some members of SA ID.
+
+ This function is corresponding to FixSadEntry(). It recovers the value of members
+ of SAD ID that are fixed by FixSadEntry().
+
+ @param[in, out] SaId Pointer of SAD ID.
+ @param[in, out] Data Pointer of SAD Data.
+
+**/
+VOID
+UnfixSadEntry (
+ IN OUT EFI_IPSEC_SA_ID *SaId,
+ IN OUT EFI_IPSEC_SA_DATA *Data
+ )
+{
+ //
+ // It assumes that all ref buffers in sad selector and data are
+ // stored in the continous memory and close to the base structure.
+ //
+ if (Data->AlgoInfo.EspAlgoInfo.AuthKey != NULL) {
+ UNFIX_REF_BUF_ADDR (Data->AlgoInfo.EspAlgoInfo.AuthKey, Data);
+ }
+
+ if (SaId->Proto == EfiIPsecESP && Data->AlgoInfo.EspAlgoInfo.EncKey != NULL) {
+ UNFIX_REF_BUF_ADDR (Data->AlgoInfo.EspAlgoInfo.EncKey, Data);
+ }
+
+ if (Data->SpdSelector != NULL) {
+ UNFIX_REF_BUF_ADDR (Data->SpdSelector, Data);
+ if (Data->SpdSelector->LocalAddress != NULL) {
+ UNFIX_REF_BUF_ADDR (Data->SpdSelector->LocalAddress, Data);
+ }
+
+ UNFIX_REF_BUF_ADDR (Data->SpdSelector->RemoteAddress, Data);
+ }
+
+}
+
+/**
+ Recover the value of some members of PAD ID.
+
+ This function is corresponding to FixPadEntry(). It recovers the value of members
+ of PAD ID that are fixed by FixPadEntry().
+
+ @param[in] PadId Pointer of PAD ID.
+ @param[in, out] Data Pointer of PAD Data.
+
+**/
+VOID
+UnfixPadEntry (
+ IN EFI_IPSEC_PAD_ID *PadId,
+ IN OUT EFI_IPSEC_PAD_DATA *Data
+ )
+{
+ //
+ // It assumes that all ref buffers in pad selector and data are
+ // stored in the continous memory and close to the base structure.
+ //
+ if (Data->AuthData != NULL) {
+ UNFIX_REF_BUF_ADDR (Data->AuthData, Data);
+ }
+
+ if (Data->RevocationData != NULL) {
+ UNFIX_REF_BUF_ADDR (Data->RevocationData, Data);
+ }
+
+}
+
+/**
+ Set the security policy information for the EFI IPsec driver.
+
+ The IPsec configuration data has a unique selector/identifier separately to
+ identify a data entry.
+
+ @param[in] Selector Pointer to an entry selector on operated
+ configuration data specified by DataType.
+ A NULL Selector causes the entire specified-type
+ configuration information to be flushed.
+ @param[in] Data The data buffer to be set. The structure
+ of the data buffer should be EFI_IPSEC_SPD_DATA.
+ @param[in] Context Pointer to one entry selector that describes
+ the expected position the new data entry will
+ be added. If Context is NULL, the new entry will
+ be appended the end of database.
+
+ @retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
+ - Selector is not NULL and its LocalAddress
+ is NULL or its RemoteAddress is NULL.
+ - Data is not NULL and its Action is Protected
+ and its plolicy is NULL.
+ - Data is not NULL, its Action is not protected,
+ and its policy is not NULL.
+ - The Action of Data is Protected, its policy
+ mode is Tunnel, and its tunnel option is NULL.
+ - The Action of Data is protected and its policy
+ mode is not Tunnel and it tunnel option is not NULL.
+ @retval EFI_OUT_OF_RESOURCED The required system resource could not be allocated.
+ @retval EFI_SUCCESS The specified configuration data was obtained successfully.
+
+**/
+EFI_STATUS
+SetSpdEntry (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN VOID *Data,
+ IN VOID *Context OPTIONAL
+ )
+{
+ EFI_IPSEC_SPD_SELECTOR *SpdSel;
+ EFI_IPSEC_SPD_DATA *SpdData;
+ EFI_IPSEC_SPD_SELECTOR *InsertBefore;
+ LIST_ENTRY *SpdList;
+ LIST_ENTRY *SadList;
+ LIST_ENTRY *SpdSas;
+ LIST_ENTRY *EntryInsertBefore;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *NextEntry;
+ LIST_ENTRY *Entry2;
+ IPSEC_SPD_ENTRY *SpdEntry;
+ IPSEC_SAD_ENTRY *SadEntry;
+ UINTN SpdEntrySize;
+ UINTN Index;
+
+ SpdSel = (Selector == NULL) ? NULL : &Selector->SpdSelector;
+ SpdData = (Data == NULL) ? NULL : (EFI_IPSEC_SPD_DATA *) Data;
+ InsertBefore = (Context == NULL) ? NULL : &((EFI_IPSEC_CONFIG_SELECTOR *) Context)->SpdSelector;
+ SpdList = &mConfigData[IPsecConfigDataTypeSpd];
+
+ if (SpdSel != NULL) {
+ if (SpdSel->LocalAddress == NULL || SpdSel->RemoteAddress == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+
+ if (SpdData != NULL) {
+ if ((SpdData->Action == EfiIPsecActionProtect && SpdData->ProcessingPolicy == NULL) ||
+ (SpdData->Action != EfiIPsecActionProtect && SpdData->ProcessingPolicy != NULL)
+ ) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (SpdData->Action == EfiIPsecActionProtect) {
+ if ((SpdData->ProcessingPolicy->Mode == EfiIPsecTunnel && SpdData->ProcessingPolicy->TunnelOption == NULL) ||
+ (SpdData->ProcessingPolicy->Mode != EfiIPsecTunnel && SpdData->ProcessingPolicy->TunnelOption != NULL)
+ ) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ }
+ //
+ // The default behavior is to insert the node ahead of the header.
+ //
+ EntryInsertBefore = SpdList;
+
+ //
+ // Remove the existed spd entry.
+ //
+ NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, SpdList) {
+
+ SpdEntry = IPSEC_SPD_ENTRY_FROM_LIST (Entry);
+
+ if (SpdSel == NULL ||
+ CompareSpdSelector ((EFI_IPSEC_CONFIG_SELECTOR *) SpdEntry->Selector, (EFI_IPSEC_CONFIG_SELECTOR *) SpdSel)
+ ) {
+ //
+ // Record the existed entry position to keep the original order.
+ //
+ EntryInsertBefore = SpdEntry->List.ForwardLink;
+ RemoveEntryList (&SpdEntry->List);
+
+ //
+ // Update the reverse ref of sad entry in the spd.sas list.
+ //
+ SpdSas = &SpdEntry->Data->Sas;
+ NET_LIST_FOR_EACH (Entry2, SpdSas) {
+ SadEntry = IPSEC_SAD_ENTRY_FROM_SPD (Entry2);
+ SadEntry->Data->SpdEntry = NULL;
+ }
+ //
+ // Free the existed spd entry
+ //
+ FreePool (SpdEntry);
+ }
+ }
+ //
+ // Return success here if only want to remove the spd entry.
+ //
+ if (SpdData == NULL || SpdSel == NULL) {
+ return EFI_SUCCESS;
+ }
+ //
+ // Search the appointed entry position if InsertBefore is not NULL.
+ //
+ if (InsertBefore != NULL) {
+
+ NET_LIST_FOR_EACH (Entry, SpdList) {
+ SpdEntry = IPSEC_SPD_ENTRY_FROM_LIST (Entry);
+
+ if (CompareSpdSelector (
+ (EFI_IPSEC_CONFIG_SELECTOR *) SpdEntry->Selector,
+ (EFI_IPSEC_CONFIG_SELECTOR *) InsertBefore
+ )) {
+ EntryInsertBefore = Entry;
+ break;
+ }
+ }
+ }
+
+ //
+ // Do Padding for the different Arch.
+ //
+ SpdEntrySize = ALIGN_VARIABLE (sizeof (IPSEC_SPD_ENTRY));
+ SpdEntrySize = ALIGN_VARIABLE (SpdEntrySize + (UINTN)SIZE_OF_SPD_SELECTOR (SpdSel));
+ SpdEntrySize += IpSecGetSizeOfEfiSpdData (SpdData);
+
+ SpdEntry = AllocateZeroPool (SpdEntrySize);
+
+ if (SpdEntry == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Fix the address of Selector and Data buffer and copy them, which is
+ // continous memory and close to the base structure of spd entry.
+ //
+ SpdEntry->Selector = (EFI_IPSEC_SPD_SELECTOR *) ALIGN_POINTER ((SpdEntry + 1), sizeof (UINTN));
+ SpdEntry->Data = (IPSEC_SPD_DATA *) ALIGN_POINTER (
+ ((UINT8 *) SpdEntry->Selector + SIZE_OF_SPD_SELECTOR (SpdSel)),
+ sizeof (UINTN)
+ );
+
+ DuplicateSpdSelector (
+ (EFI_IPSEC_CONFIG_SELECTOR *) SpdEntry->Selector,
+ (EFI_IPSEC_CONFIG_SELECTOR *) SpdSel,
+ NULL
+ );
+
+ CopyMem (
+ SpdEntry->Data->Name,
+ SpdData->Name,
+ sizeof (SpdData->Name)
+ );
+ SpdEntry->Data->PackageFlag = SpdData->PackageFlag;
+ SpdEntry->Data->Action = SpdData->Action;
+
+ //
+ // Fix the address of ProcessingPolicy and copy it if need, which is continous
+ // memory and close to the base structure of sad data.
+ //
+ if (SpdData->Action != EfiIPsecActionProtect) {
+ SpdEntry->Data->ProcessingPolicy = NULL;
+ } else {
+ SpdEntry->Data->ProcessingPolicy = (EFI_IPSEC_PROCESS_POLICY *) ALIGN_POINTER (
+ SpdEntry->Data + 1,
+ sizeof (UINTN)
+ );
+ IpSecDuplicateProcessPolicy (SpdEntry->Data->ProcessingPolicy, SpdData->ProcessingPolicy);
+ }
+ //
+ // Update the sas list of the new spd entry.
+ //
+ InitializeListHead (&SpdEntry->Data->Sas);
+
+ SadList = &mConfigData[IPsecConfigDataTypeSad];
+
+ NET_LIST_FOR_EACH (Entry, SadList) {
+ SadEntry = IPSEC_SAD_ENTRY_FROM_LIST (Entry);
+
+ for (Index = 0; Index < SpdData->SaIdCount; Index++) {
+
+ if (CompareSaId (
+ (EFI_IPSEC_CONFIG_SELECTOR *) &SpdData->SaId[Index],
+ (EFI_IPSEC_CONFIG_SELECTOR *) SadEntry->Id
+ )) {
+ InsertTailList (&SpdEntry->Data->Sas, &SadEntry->BySpd);
+ SadEntry->Data->SpdEntry = SpdEntry;
+ }
+ }
+ }
+ //
+ // Insert the new spd entry.
+ //
+ InsertTailList (EntryInsertBefore, &SpdEntry->List);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Set the security association information for the EFI IPsec driver.
+
+ The IPsec configuration data has a unique selector/identifier separately to
+ identify a data entry.
+
+ @param[in] Selector Pointer to an entry selector on operated
+ configuration data specified by DataType.
+ A NULL Selector causes the entire specified-type
+ configuration information to be flushed.
+ @param[in] Data The data buffer to be set. The structure
+ of the data buffer should be EFI_IPSEC_SA_DATA.
+ @param[in] Context Pointer to one entry selector which describes
+ the expected position the new data entry will
+ be added. If Context is NULL,the new entry will
+ be appended the end of database.
+
+ @retval EFI_OUT_OF_RESOURCED The required system resource could not be allocated.
+ @retval EFI_SUCCESS The specified configuration data was obtained successfully.
+
+**/
+EFI_STATUS
+SetSadEntry (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN VOID *Data,
+ IN VOID *Context OPTIONAL
+ )
+{
+ IPSEC_SAD_ENTRY *SadEntry;
+ IPSEC_SPD_ENTRY *SpdEntry;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *NextEntry;
+ LIST_ENTRY *SadList;
+ LIST_ENTRY *SpdList;
+ EFI_IPSEC_SA_ID *SaId;
+ EFI_IPSEC_SA_DATA *SaData;
+ EFI_IPSEC_SA_ID *InsertBefore;
+ LIST_ENTRY *EntryInsertBefore;
+ UINTN SadEntrySize;
+
+ SaId = (Selector == NULL) ? NULL : &Selector->SaId;
+ SaData = (Data == NULL) ? NULL : (EFI_IPSEC_SA_DATA *) Data;
+ InsertBefore = (Context == NULL) ? NULL : &((EFI_IPSEC_CONFIG_SELECTOR *) Context)->SaId;
+ SadList = &mConfigData[IPsecConfigDataTypeSad];
+
+ //
+ // The default behavior is to insert the node ahead of the header.
+ //
+ EntryInsertBefore = SadList;
+
+ //
+ // Remove the existed sad entry.
+ //
+ NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, SadList) {
+
+ SadEntry = IPSEC_SAD_ENTRY_FROM_LIST (Entry);
+
+ if (SaId == NULL ||
+ CompareSaId (
+ (EFI_IPSEC_CONFIG_SELECTOR *) SadEntry->Id,
+ (EFI_IPSEC_CONFIG_SELECTOR *) SaId
+ )) {
+ //
+ // Record the existed entry position to keep the original order.
+ //
+ EntryInsertBefore = SadEntry->List.ForwardLink;
+
+ //
+ // Update the related sad.byspd field.
+ //
+ if (SadEntry->Data->SpdEntry != NULL) {
+ RemoveEntryList (&SadEntry->BySpd);
+ }
+
+ RemoveEntryList (&SadEntry->List);
+ FreePool (SadEntry);
+ }
+ }
+ //
+ // Return success here if only want to remove the sad entry
+ //
+ if (SaData == NULL || SaId == NULL) {
+ return EFI_SUCCESS;
+ }
+ //
+ // Search the appointed entry position if InsertBefore is not NULL.
+ //
+ if (InsertBefore != NULL) {
+
+ NET_LIST_FOR_EACH (Entry, SadList) {
+ SadEntry = IPSEC_SAD_ENTRY_FROM_LIST (Entry);
+
+ if (CompareSaId (
+ (EFI_IPSEC_CONFIG_SELECTOR *) SadEntry->Id,
+ (EFI_IPSEC_CONFIG_SELECTOR *) InsertBefore
+ )) {
+ EntryInsertBefore = Entry;
+ break;
+ }
+ }
+ }
+
+ //
+ // Do Padding for different Arch.
+ //
+ SadEntrySize = ALIGN_VARIABLE (sizeof (IPSEC_SAD_ENTRY));
+ SadEntrySize = ALIGN_VARIABLE (SadEntrySize + sizeof (EFI_IPSEC_SA_DATA));
+ SadEntrySize = ALIGN_VARIABLE (SadEntrySize + sizeof (IPSEC_SAD_DATA));
+
+ if (SaId->Proto == EfiIPsecAH) {
+ SadEntrySize += SaData->AlgoInfo.AhAlgoInfo.AuthKeyLength;
+ } else {
+ SadEntrySize = ALIGN_VARIABLE (SadEntrySize + SaData->AlgoInfo.EspAlgoInfo.AuthKeyLength);
+ SadEntrySize += SaData->AlgoInfo.EspAlgoInfo.EncKeyLength;
+ }
+
+ SadEntry = AllocateZeroPool (SadEntrySize);
+
+ if (SadEntry == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Fix the address of Id and Data buffer and copy them, which is
+ // continous memory and close to the base structure of sad entry.
+ //
+ SadEntry->Id = (EFI_IPSEC_SA_ID *) ALIGN_POINTER ((SadEntry + 1), sizeof (UINTN));
+ SadEntry->Data = (IPSEC_SAD_DATA *) ALIGN_POINTER ((SadEntry->Id + 1), sizeof (UINTN));
+
+ CopyMem (SadEntry->Id, SaId, sizeof (EFI_IPSEC_SA_ID));
+
+ SadEntry->Data->Mode = SaData->Mode;
+ SadEntry->Data->SequenceNumber = SaData->SNCount;
+ SadEntry->Data->AntiReplayWindowSize = SaData->AntiReplayWindows;
+
+ ZeroMem (
+ &SadEntry->Data->AntiReplayBitmap,
+ sizeof (SadEntry->Data->AntiReplayBitmap)
+ );
+
+ ZeroMem (
+ &SadEntry->Data->AlgoInfo,
+ sizeof (EFI_IPSEC_ALGO_INFO)
+ );
+
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthAlgoId = SaData->AlgoInfo.EspAlgoInfo.AuthAlgoId;
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKeyLength = SaData->AlgoInfo.EspAlgoInfo.AuthKeyLength;
+
+ if (SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKeyLength != 0) {
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKey = (VOID *) ALIGN_POINTER ((SadEntry->Data + 1), sizeof (UINTN));
+ CopyMem (
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKey,
+ SaData->AlgoInfo.EspAlgoInfo.AuthKey,
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKeyLength
+ );
+ }
+
+ if (SaId->Proto == EfiIPsecESP) {
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.EncAlgoId = SaData->AlgoInfo.EspAlgoInfo.EncAlgoId;
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.EncKeyLength = SaData->AlgoInfo.EspAlgoInfo.EncKeyLength;
+
+ if (SadEntry->Data->AlgoInfo.EspAlgoInfo.EncKeyLength != 0) {
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.EncKey = (VOID *) ALIGN_POINTER (
+ ((UINT8 *) (SadEntry->Data + 1) +
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKeyLength),
+ sizeof (UINTN)
+ );
+ CopyMem (
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.EncKey,
+ SaData->AlgoInfo.EspAlgoInfo.EncKey,
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.EncKeyLength
+ );
+ }
+ }
+
+ CopyMem (
+ &SadEntry->Data->SaLifetime,
+ &SaData->SaLifetime,
+ sizeof (EFI_IPSEC_SA_LIFETIME)
+ );
+
+ SadEntry->Data->PathMTU = SaData->PathMTU;
+ SadEntry->Data->SpdEntry = NULL;
+ SadEntry->Data->ESNEnabled = FALSE;
+ SadEntry->Data->ManualSet = SaData->ManualSet;
+
+ //
+ // Update the spd.sas list of the spd entry specified by sad.selector
+ //
+ SpdList = &mConfigData[IPsecConfigDataTypeSpd];
+
+ for (Entry = SpdList->ForwardLink; Entry != SpdList && SaData->SpdSelector != NULL; Entry = Entry->ForwardLink) {
+
+ SpdEntry = IPSEC_SPD_ENTRY_FROM_LIST (Entry);
+ if (CompareSpdSelector (
+ (EFI_IPSEC_CONFIG_SELECTOR *) SpdEntry->Selector,
+ (EFI_IPSEC_CONFIG_SELECTOR *) SaData->SpdSelector
+ ) && SpdEntry->Data->Action == EfiIPsecActionProtect) {
+ SadEntry->Data->SpdEntry = SpdEntry;
+ InsertTailList (&SpdEntry->Data->Sas, &SadEntry->BySpd);
+ }
+ }
+ //
+ // Insert the new sad entry.
+ //
+ InsertTailList (EntryInsertBefore, &SadEntry->List);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Set the peer authorization configuration information for the EFI IPsec driver.
+
+ The IPsec configuration data has a unique selector/identifier separately to
+ identify a data entry.
+
+ @param[in] Selector Pointer to an entry selector on operated
+ configuration data specified by DataType.
+ A NULL Selector causes the entire specified-type
+ configuration information to be flushed.
+ @param[in] Data The data buffer to be set. The structure
+ of the data buffer should be EFI_IPSEC_PAD_DATA.
+ @param[in] Context Pointer to one entry selector that describes
+ the expected position the new data entry will
+ be added. If Context is NULL, the new entry will
+ be appended the end of database.
+
+ @retval EFI_OUT_OF_RESOURCES The required system resources could not be allocated.
+ @retval EFI_SUCCESS The specified configuration data was obtained successfully.
+
+**/
+EFI_STATUS
+SetPadEntry (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN VOID *Data,
+ IN VOID *Context OPTIONAL
+ )
+{
+ IPSEC_PAD_ENTRY *PadEntry;
+ EFI_IPSEC_PAD_ID *PadId;
+ EFI_IPSEC_PAD_DATA *PadData;
+ LIST_ENTRY *PadList;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *NextEntry;
+ EFI_IPSEC_PAD_ID *InsertBefore;
+ LIST_ENTRY *EntryInsertBefore;
+ UINTN PadEntrySize;
+
+ PadId = (Selector == NULL) ? NULL : &Selector->PadId;
+ PadData = (Data == NULL) ? NULL : (EFI_IPSEC_PAD_DATA *) Data;
+ InsertBefore = (Context == NULL) ? NULL : &((EFI_IPSEC_CONFIG_SELECTOR *) Context)->PadId;
+ PadList = &mConfigData[IPsecConfigDataTypePad];
+
+ //
+ // The default behavior is to insert the node ahead of the header.
+ //
+ EntryInsertBefore = PadList;
+
+ //
+ // Remove the existed pad entry.
+ //
+ NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, PadList) {
+
+ PadEntry = IPSEC_PAD_ENTRY_FROM_LIST (Entry);
+
+ if (PadId == NULL ||
+ ComparePadId ((EFI_IPSEC_CONFIG_SELECTOR *) PadEntry->Id, (EFI_IPSEC_CONFIG_SELECTOR *) PadId)
+ ) {
+ //
+ // Record the existed entry position to keep the original order.
+ //
+ EntryInsertBefore = PadEntry->List.ForwardLink;
+ RemoveEntryList (&PadEntry->List);
+
+ FreePool (PadEntry);
+ }
+ }
+ //
+ // Return success here if only want to remove the pad entry
+ //
+ if (PadData == NULL || PadId == NULL) {
+ return EFI_SUCCESS;
+ }
+ //
+ // Search the appointed entry position if InsertBefore is not NULL.
+ //
+ if (InsertBefore != NULL) {
+
+ NET_LIST_FOR_EACH (Entry, PadList) {
+ PadEntry = IPSEC_PAD_ENTRY_FROM_LIST (Entry);
+
+ if (ComparePadId (
+ (EFI_IPSEC_CONFIG_SELECTOR *) PadEntry->Id,
+ (EFI_IPSEC_CONFIG_SELECTOR *) InsertBefore
+ )) {
+ EntryInsertBefore = Entry;
+ break;
+ }
+ }
+ }
+
+ //
+ // Do PADDING for different arch.
+ //
+ PadEntrySize = ALIGN_VARIABLE (sizeof (IPSEC_PAD_ENTRY));
+ PadEntrySize = ALIGN_VARIABLE (PadEntrySize + sizeof (EFI_IPSEC_PAD_ID));
+ PadEntrySize = ALIGN_VARIABLE (PadEntrySize + sizeof (EFI_IPSEC_PAD_DATA));
+ PadEntrySize = ALIGN_VARIABLE (PadEntrySize + (PadData->AuthData != NULL ? PadData->AuthDataSize : 0));
+ PadEntrySize += PadData->RevocationData != NULL ? PadData->RevocationDataSize : 0;
+
+ PadEntry = AllocateZeroPool (PadEntrySize);
+
+ if (PadEntry == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Fix the address of Id and Data buffer and copy them, which is
+ // continous memory and close to the base structure of pad entry.
+ //
+ PadEntry->Id = (EFI_IPSEC_PAD_ID *) ALIGN_POINTER ((PadEntry + 1), sizeof (UINTN));
+ PadEntry->Data = (EFI_IPSEC_PAD_DATA *) ALIGN_POINTER ((PadEntry->Id + 1), sizeof (UINTN));
+
+ CopyMem (PadEntry->Id, PadId, sizeof (EFI_IPSEC_PAD_ID));
+
+ PadEntry->Data->AuthProtocol = PadData->AuthProtocol;
+ PadEntry->Data->AuthMethod = PadData->AuthMethod;
+ PadEntry->Data->IkeIdFlag = PadData->IkeIdFlag;
+
+ if (PadData->AuthData != NULL) {
+ PadEntry->Data->AuthDataSize = PadData->AuthDataSize;
+ PadEntry->Data->AuthData = (VOID *) ALIGN_POINTER (PadEntry->Data + 1, sizeof (UINTN));
+ CopyMem (
+ PadEntry->Data->AuthData,
+ PadData->AuthData,
+ PadData->AuthDataSize
+ );
+ } else {
+ PadEntry->Data->AuthDataSize = 0;
+ PadEntry->Data->AuthData = NULL;
+ }
+
+ if (PadData->RevocationData != NULL) {
+ PadEntry->Data->RevocationDataSize = PadData->RevocationDataSize;
+ PadEntry->Data->RevocationData = (VOID *) ALIGN_POINTER (
+ ((UINT8 *) (PadEntry->Data + 1) + PadData->AuthDataSize),
+ sizeof (UINTN)
+ );
+ CopyMem (
+ PadEntry->Data->RevocationData,
+ PadData->RevocationData,
+ PadData->RevocationDataSize
+ );
+ } else {
+ PadEntry->Data->RevocationDataSize = 0;
+ PadEntry->Data->RevocationData = NULL;
+ }
+ //
+ // Insert the new pad entry.
+ //
+ InsertTailList (EntryInsertBefore, &PadEntry->List);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function lookup the data entry from IPsec SPD. Return the configuration
+ value of the specified SPD Entry.
+
+ @param[in] Selector Pointer to an entry selector which is an identifier
+ of the SPD entry.
+ @param[in, out] DataSize On output the size of data returned in Data.
+ @param[out] Data The buffer to return the contents of the IPsec
+ configuration data. The type of the data buffer
+ is associated with the DataType.
+
+ @retval EFI_SUCCESS The specified configuration data was obtained successfully.
+ @retval EFI_INVALID_PARAMETER Data is NULL and *DataSize is not zero.
+ @retval EFI_NOT_FOUND The configuration data specified by Selector is not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result. DataSize has been
+ updated with the size needed to complete the request.
+
+**/
+EFI_STATUS
+GetSpdEntry (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN OUT UINTN *DataSize,
+ OUT VOID *Data
+ )
+{
+ IPSEC_SPD_ENTRY *SpdEntry;
+ IPSEC_SAD_ENTRY *SadEntry;
+ EFI_IPSEC_SPD_SELECTOR *SpdSel;
+ EFI_IPSEC_SPD_DATA *SpdData;
+ LIST_ENTRY *SpdList;
+ LIST_ENTRY *SpdSas;
+ LIST_ENTRY *Entry;
+ UINTN RequiredSize;
+
+ SpdSel = &Selector->SpdSelector;
+ SpdData = (EFI_IPSEC_SPD_DATA *) Data;
+ SpdList = &mConfigData[IPsecConfigDataTypeSpd];
+
+ NET_LIST_FOR_EACH (Entry, SpdList) {
+ SpdEntry = IPSEC_SPD_ENTRY_FROM_LIST (Entry);
+
+ //
+ // Find the required spd entry
+ //
+ if (CompareSpdSelector (
+ (EFI_IPSEC_CONFIG_SELECTOR *) SpdSel,
+ (EFI_IPSEC_CONFIG_SELECTOR *) SpdEntry->Selector
+ )) {
+
+ RequiredSize = IpSecGetSizeOfSpdData (SpdEntry->Data);
+ if (*DataSize < RequiredSize) {
+ *DataSize = RequiredSize;
+ return EFI_BUFFER_TOO_SMALL;
+ }
+
+ if (SpdData == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *DataSize = RequiredSize;
+
+ //
+ // Extract and fill all SaId array from the spd.sas list
+ //
+ SpdSas = &SpdEntry->Data->Sas;
+ SpdData->SaIdCount = 0;
+
+ NET_LIST_FOR_EACH (Entry, SpdSas) {
+ SadEntry = IPSEC_SAD_ENTRY_FROM_SPD (Entry);
+ CopyMem (
+ &SpdData->SaId[SpdData->SaIdCount++],
+ SadEntry->Id,
+ sizeof (EFI_IPSEC_SA_ID)
+ );
+ }
+ //
+ // Fill the other fields in spd data.
+ //
+ CopyMem (SpdData->Name, SpdEntry->Data->Name, sizeof (SpdData->Name));
+
+ SpdData->PackageFlag = SpdEntry->Data->PackageFlag;
+ SpdData->Action = SpdEntry->Data->Action;
+
+ if (SpdData->Action != EfiIPsecActionProtect) {
+ SpdData->ProcessingPolicy = NULL;
+ } else {
+ SpdData->ProcessingPolicy = (EFI_IPSEC_PROCESS_POLICY *) ((UINT8 *) SpdData + sizeof (EFI_IPSEC_SPD_DATA) + (SpdData->SaIdCount - 1) * sizeof (EFI_IPSEC_SA_ID));
+
+ IpSecDuplicateProcessPolicy (
+ SpdData->ProcessingPolicy,
+ SpdEntry->Data->ProcessingPolicy
+ );
+ }
+
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+/**
+ This function lookup the data entry from IPsec SAD. Return the configuration
+ value of the specified SAD Entry.
+
+ @param[in] Selector Pointer to an entry selector which is an identifier
+ of the SAD entry.
+ @param[in, out] DataSize On output, the size of data returned in Data.
+ @param[out] Data The buffer to return the contents of the IPsec
+ configuration data. The type of the data buffer
+ is associated with the DataType.
+
+ @retval EFI_SUCCESS The specified configuration data was obtained successfully.
+ @retval EFI_NOT_FOUND The configuration data specified by Selector is not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result. DataSize has been
+ updated with the size needed to complete the request.
+
+**/
+EFI_STATUS
+GetSadEntry (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN OUT UINTN *DataSize,
+ OUT VOID *Data
+ )
+{
+ IPSEC_SAD_ENTRY *SadEntry;
+ LIST_ENTRY *Entry;
+ LIST_ENTRY *SadList;
+ EFI_IPSEC_SA_ID *SaId;
+ EFI_IPSEC_SA_DATA *SaData;
+ UINTN RequiredSize;
+
+ SaId = &Selector->SaId;
+ SaData = (EFI_IPSEC_SA_DATA *) Data;
+ SadList = &mConfigData[IPsecConfigDataTypeSad];
+
+ NET_LIST_FOR_EACH (Entry, SadList) {
+ SadEntry = IPSEC_SAD_ENTRY_FROM_LIST (Entry);
+
+ //
+ // Find the required sad entry.
+ //
+ if (CompareSaId (
+ (EFI_IPSEC_CONFIG_SELECTOR *) SaId,
+ (EFI_IPSEC_CONFIG_SELECTOR *) SadEntry->Id
+ )) {
+ //
+ // Calculate the required size of the sad entry.
+ // Data Layout is follows:
+ // |EFI_IPSEC_SA_DATA
+ // |AuthKey
+ // |EncryptKey (Optional)
+ // |SpdSelector (Optional)
+ //
+ RequiredSize = ALIGN_VARIABLE (sizeof (EFI_IPSEC_SA_DATA));
+
+ if (SaId->Proto == EfiIPsecAH) {
+ RequiredSize = ALIGN_VARIABLE (RequiredSize + SadEntry->Data->AlgoInfo.AhAlgoInfo.AuthKeyLength);
+ } else {
+ RequiredSize = ALIGN_VARIABLE (RequiredSize + SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKeyLength);
+ RequiredSize = ALIGN_VARIABLE (RequiredSize + SadEntry->Data->AlgoInfo.EspAlgoInfo.EncKeyLength);
+ }
+
+ if (SadEntry->Data->SpdEntry != NULL) {
+ RequiredSize += SIZE_OF_SPD_SELECTOR (SadEntry->Data->SpdEntry->Selector);
+ }
+
+
+
+ if (*DataSize < RequiredSize) {
+ *DataSize = RequiredSize;
+ return EFI_BUFFER_TOO_SMALL;
+ }
+ //
+ // Fill the data fields of sad entry.
+ //
+ *DataSize = RequiredSize;
+ SaData->Mode = SadEntry->Data->Mode;
+ SaData->SNCount = SadEntry->Data->SequenceNumber;
+ SaData->AntiReplayWindows = SadEntry->Data->AntiReplayWindowSize;
+
+ CopyMem (
+ &SaData->SaLifetime,
+ &SadEntry->Data->SaLifetime,
+ sizeof (EFI_IPSEC_SA_LIFETIME)
+ );
+
+ ZeroMem (
+ &SaData->AlgoInfo,
+ sizeof (EFI_IPSEC_ALGO_INFO)
+ );
+
+ if (SaId->Proto == EfiIPsecAH) {
+ //
+ // Copy AH alogrithm INFO to SaData
+ //
+ SaData->AlgoInfo.AhAlgoInfo.AuthAlgoId = SadEntry->Data->AlgoInfo.AhAlgoInfo.AuthAlgoId;
+ SaData->AlgoInfo.AhAlgoInfo.AuthKeyLength = SadEntry->Data->AlgoInfo.AhAlgoInfo.AuthKeyLength;
+ if (SaData->AlgoInfo.AhAlgoInfo.AuthKeyLength != 0) {
+ SaData->AlgoInfo.AhAlgoInfo.AuthKey = (VOID *) ALIGN_POINTER ((SaData + 1), sizeof (UINTN));
+ CopyMem (
+ SaData->AlgoInfo.AhAlgoInfo.AuthKey,
+ SadEntry->Data->AlgoInfo.AhAlgoInfo.AuthKey,
+ SaData->AlgoInfo.AhAlgoInfo.AuthKeyLength
+ );
+ }
+ } else if (SaId->Proto == EfiIPsecESP) {
+ //
+ // Copy ESP alogrithem INFO to SaData
+ //
+ SaData->AlgoInfo.EspAlgoInfo.AuthAlgoId = SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthAlgoId;
+ SaData->AlgoInfo.EspAlgoInfo.AuthKeyLength = SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKeyLength;
+ if (SaData->AlgoInfo.EspAlgoInfo.AuthKeyLength != 0) {
+ SaData->AlgoInfo.EspAlgoInfo.AuthKey = (VOID *) ALIGN_POINTER ((SaData + 1), sizeof (UINTN));
+ CopyMem (
+ SaData->AlgoInfo.EspAlgoInfo.AuthKey,
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.AuthKey,
+ SaData->AlgoInfo.EspAlgoInfo.AuthKeyLength
+ );
+ }
+
+ SaData->AlgoInfo.EspAlgoInfo.EncAlgoId = SadEntry->Data->AlgoInfo.EspAlgoInfo.EncAlgoId;
+ SaData->AlgoInfo.EspAlgoInfo.EncKeyLength = SadEntry->Data->AlgoInfo.EspAlgoInfo.EncKeyLength;
+
+ if (SaData->AlgoInfo.EspAlgoInfo.EncKeyLength != 0) {
+ SaData->AlgoInfo.EspAlgoInfo.EncKey = (VOID *) ALIGN_POINTER (
+ ((UINT8 *) (SaData + 1) +
+ SaData->AlgoInfo.EspAlgoInfo.AuthKeyLength),
+ sizeof (UINTN)
+ );
+ CopyMem (
+ SaData->AlgoInfo.EspAlgoInfo.EncKey,
+ SadEntry->Data->AlgoInfo.EspAlgoInfo.EncKey,
+ SaData->AlgoInfo.EspAlgoInfo.EncKeyLength
+ );
+ }
+ }
+
+ SaData->PathMTU = SadEntry->Data->PathMTU;
+
+ //
+ // Fill the spd selector field of sad data
+ //
+ if (SadEntry->Data->SpdEntry != NULL) {
+
+ SaData->SpdSelector = (EFI_IPSEC_SPD_SELECTOR *) (
+ (UINT8 *)SaData +
+ RequiredSize -
+ SIZE_OF_SPD_SELECTOR (SadEntry->Data->SpdEntry->Selector)
+ );
+
+ DuplicateSpdSelector (
+ (EFI_IPSEC_CONFIG_SELECTOR *) SaData->SpdSelector,
+ (EFI_IPSEC_CONFIG_SELECTOR *) SadEntry->Data->SpdEntry->Selector,
+ NULL
+ );
+
+ } else {
+
+ SaData->SpdSelector = NULL;
+ }
+
+ SaData->ManualSet = SadEntry->Data->ManualSet;
+
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+/**
+ This function lookup the data entry from IPsec PAD. Return the configuration
+ value of the specified PAD Entry.
+
+ @param[in] Selector Pointer to an entry selector which is an identifier
+ of the PAD entry.
+ @param[in, out] DataSize On output the size of data returned in Data.
+ @param[out] Data The buffer to return the contents of the IPsec
+ configuration data. The type of the data buffer
+ is associated with the DataType.
+
+ @retval EFI_SUCCESS The specified configuration data was obtained successfully.
+ @retval EFI_NOT_FOUND The configuration data specified by Selector is not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result. DataSize has been
+ updated with the size needed to complete the request.
+
+**/
+EFI_STATUS
+GetPadEntry (
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN OUT UINTN *DataSize,
+ OUT VOID *Data
+ )
+{
+ IPSEC_PAD_ENTRY *PadEntry;
+ LIST_ENTRY *PadList;
+ LIST_ENTRY *Entry;
+ EFI_IPSEC_PAD_ID *PadId;
+ EFI_IPSEC_PAD_DATA *PadData;
+ UINTN RequiredSize;
+
+ PadId = &Selector->PadId;
+ PadData = (EFI_IPSEC_PAD_DATA *) Data;
+ PadList = &mConfigData[IPsecConfigDataTypePad];
+
+ NET_LIST_FOR_EACH (Entry, PadList) {
+ PadEntry = IPSEC_PAD_ENTRY_FROM_LIST (Entry);
+
+ //
+ // Find the required pad entry.
+ //
+ if (ComparePadId (
+ (EFI_IPSEC_CONFIG_SELECTOR *) PadId,
+ (EFI_IPSEC_CONFIG_SELECTOR *) PadEntry->Id
+ )) {
+ //
+ // Calculate the required size of the pad entry.
+ //
+ RequiredSize = ALIGN_VARIABLE (sizeof (EFI_IPSEC_PAD_DATA));
+ RequiredSize = ALIGN_VARIABLE (RequiredSize + PadEntry->Data->AuthDataSize);
+ RequiredSize += PadEntry->Data->RevocationDataSize;
+
+ if (*DataSize < RequiredSize) {
+ *DataSize = RequiredSize;
+ return EFI_BUFFER_TOO_SMALL;
+ }
+ //
+ // Fill the data fields of pad entry
+ //
+ *DataSize = RequiredSize;
+ PadData->AuthProtocol = PadEntry->Data->AuthProtocol;
+ PadData->AuthMethod = PadEntry->Data->AuthMethod;
+ PadData->IkeIdFlag = PadEntry->Data->IkeIdFlag;
+
+ //
+ // Copy Authentication data.
+ //
+ if (PadEntry->Data->AuthData != NULL) {
+
+ PadData->AuthDataSize = PadEntry->Data->AuthDataSize;
+ PadData->AuthData = (VOID *) ALIGN_POINTER ((PadData + 1), sizeof (UINTN));
+ CopyMem (
+ PadData->AuthData,
+ PadEntry->Data->AuthData,
+ PadData->AuthDataSize
+ );
+ } else {
+
+ PadData->AuthDataSize = 0;
+ PadData->AuthData = NULL;
+ }
+ //
+ // Copy Revocation Data.
+ //
+ if (PadEntry->Data->RevocationData != NULL) {
+
+ PadData->RevocationDataSize = PadEntry->Data->RevocationDataSize;
+ PadData->RevocationData = (VOID *) ALIGN_POINTER (
+ ((UINT8 *) (PadData + 1) + PadData->AuthDataSize),
+ sizeof (UINTN)
+ );
+ CopyMem (
+ PadData->RevocationData,
+ PadEntry->Data->RevocationData,
+ PadData->RevocationDataSize
+ );
+ } else {
+
+ PadData->RevocationDataSize = 0;
+ PadData->RevocationData = NULL;
+ }
+
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+/**
+ Copy Source Process Policy to the Destination Process Policy.
+
+ @param[in] Dst Pointer to the Source Process Policy.
+ @param[in] Src Pointer to the Destination Process Policy.
+
+**/
+VOID
+IpSecDuplicateProcessPolicy (
+ IN EFI_IPSEC_PROCESS_POLICY *Dst,
+ IN EFI_IPSEC_PROCESS_POLICY *Src
+ )
+{
+ //
+ // Firstly copy the structure content itself.
+ //
+ CopyMem (Dst, Src, sizeof (EFI_IPSEC_PROCESS_POLICY));
+
+ //
+ // Recursively copy the tunnel option if needed.
+ //
+ if (Dst->Mode != EfiIPsecTunnel) {
+ ASSERT (Dst->TunnelOption == NULL);
+ } else {
+ Dst->TunnelOption = (EFI_IPSEC_TUNNEL_OPTION *) ALIGN_POINTER ((Dst + 1), sizeof (UINTN));
+ CopyMem (
+ Dst->TunnelOption,
+ Src->TunnelOption,
+ sizeof (EFI_IPSEC_TUNNEL_OPTION)
+ );
+ }
+}
+
+/**
+ Calculate the a whole size of EFI_IPSEC_SPD_DATA, which includes the buffer size pointed
+ to by the pointer members.
+
+ @param[in] SpdData Pointer to a specified EFI_IPSEC_SPD_DATA.
+
+ @return the whole size the specified EFI_IPSEC_SPD_DATA.
+
+**/
+UINTN
+IpSecGetSizeOfEfiSpdData (
+ IN EFI_IPSEC_SPD_DATA *SpdData
+ )
+{
+ UINTN Size;
+
+ Size = ALIGN_VARIABLE (sizeof (IPSEC_SPD_DATA));
+
+ if (SpdData->Action == EfiIPsecActionProtect) {
+ Size = ALIGN_VARIABLE (Size + sizeof (EFI_IPSEC_PROCESS_POLICY));
+
+ if (SpdData->ProcessingPolicy->Mode == EfiIPsecTunnel) {
+ Size = ALIGN_VARIABLE (Size + sizeof (EFI_IPSEC_TUNNEL_OPTION));
+ }
+ }
+
+ return Size;
+}
+
+/**
+ Calculate the a whole size of IPSEC_SPD_DATA which includes the buffer size pointed
+ to by the pointer members and the buffer size used by the Sa List.
+
+ @param[in] SpdData Pointer to the specified IPSEC_SPD_DATA.
+
+ @return the whole size of IPSEC_SPD_DATA.
+
+**/
+UINTN
+IpSecGetSizeOfSpdData (
+ IN IPSEC_SPD_DATA *SpdData
+ )
+{
+ UINTN Size;
+ LIST_ENTRY *Link;
+
+ Size = sizeof (EFI_IPSEC_SPD_DATA) - sizeof (EFI_IPSEC_SA_ID);
+
+ if (SpdData->Action == EfiIPsecActionProtect) {
+ Size += sizeof (EFI_IPSEC_PROCESS_POLICY);
+
+ if (SpdData->ProcessingPolicy->Mode == EfiIPsecTunnel) {
+ Size += sizeof (EFI_IPSEC_TUNNEL_OPTION);
+ }
+ }
+
+ NET_LIST_FOR_EACH (Link, &SpdData->Sas) {
+ Size += sizeof (EFI_IPSEC_SA_ID);
+ }
+
+ return Size;
+}
+
+/**
+ Get the IPsec Variable.
+
+ Get the all variables which start with the string contained in VaraiableName.
+ Since all IPsec related variable store in continual space, those kinds of
+ variable can be searched by the EfiGetNextVariableName. Those variables also are
+ returned in a continual buffer.
+
+ @param[in] VariableName Pointer to a specified Variable Name.
+ @param[in] VendorGuid Pointer to a specified Vendor Guid.
+ @param[in] Attributes Point to memory location to return the attributes
+ of variable. If the point is NULL, the parameter
+ would be ignored.
+ @param[in, out] DataSize As input, point to the maximum size of return
+ Data-Buffer. As output, point to the actual
+ size of the returned Data-Buffer.
+ @param[in] Data Point to return Data-Buffer.
+
+ @retval EFI_ABORTED If the Variable size which contained in the variable
+ structure doesn't match the variable size obtained
+ from the EFIGetVariable.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result. DataSize has
+ been updated with the size needed to complete the request.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval others Other errors found during the variable getting.
+**/
+EFI_STATUS
+IpSecGetVariable (
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ IN UINT32 *Attributes, OPTIONAL
+ IN OUT UINTN *DataSize,
+ IN VOID *Data
+ )
+{
+ EFI_STATUS Status;
+ EFI_GUID VendorGuidI;
+ UINTN VariableNameLength;
+ CHAR16 *VariableNameI;
+ UINTN VariableNameISize;
+ UINTN VariableNameISizeNew;
+ UINTN VariableIndex;
+ UINTN VariableCount;
+ IP_SEC_VARIABLE_INFO IpSecVariableInfo;
+ UINTN DataSizeI;
+
+ //
+ // The variable name constructor is "VariableName + Info/0001/0002/... + NULL".
+ // So the varialbe name is like "VariableNameInfo", "VariableName0001", ...
+ // "VariableNameNULL".
+ //
+ VariableNameLength = StrLen (VariableName);
+ VariableNameISize = (VariableNameLength + 5) * sizeof (CHAR16);
+ VariableNameI = AllocateZeroPool (VariableNameISize);
+ ASSERT (VariableNameI != NULL);
+
+ //
+ // Construct the varible name of ipsecconfig meta data.
+ //
+ UnicodeSPrint (VariableNameI, VariableNameISize, L"%s%s", VariableName, L"Info");
+
+ DataSizeI = sizeof (IpSecVariableInfo);
+
+ Status = gRT->GetVariable (
+ VariableNameI,
+ VendorGuid,
+ Attributes,
+ &DataSizeI,
+ &IpSecVariableInfo
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_EXIT;
+ }
+
+ if (*DataSize < IpSecVariableInfo.VariableSize) {
+ *DataSize = IpSecVariableInfo.VariableSize;
+ Status = EFI_BUFFER_TOO_SMALL;
+ goto ON_EXIT;
+ }
+
+ VariableCount = IpSecVariableInfo.VariableCount;
+ VariableNameI[0] = L'\0';
+
+ while (VariableCount != 0) {
+ //
+ // Get the variable name one by one in the variable database.
+ //
+ VariableNameISizeNew = VariableNameISize;
+ Status = gRT->GetNextVariableName (
+ &VariableNameISizeNew,
+ VariableNameI,
+ &VendorGuidI
+ );
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ VariableNameI = ReallocatePool (
+ VariableNameISize,
+ VariableNameISizeNew,
+ VariableNameI
+ );
+ VariableNameISize = VariableNameISizeNew;
+
+ Status = gRT->GetNextVariableName (
+ &VariableNameISizeNew,
+ VariableNameI,
+ &VendorGuidI
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+ //
+ // Check whether the current variable is the required "ipsecconfig".
+ //
+ if (StrnCmp (VariableNameI, VariableName, VariableNameLength) == 0 ||
+ CompareGuid (VendorGuid, &VendorGuidI)
+ ) {
+ //
+ // Parse the variable count of the current ipsecconfig data.
+ //
+ VariableIndex = StrDecimalToUintn (VariableNameI + VariableNameLength);
+ if (VariableIndex!= 0 && VariableIndex <= IpSecVariableInfo.VariableCount) {
+ //
+ // Get the variable size of the current ipsecconfig data.
+ //
+ DataSizeI = 0;
+ Status = gRT->GetVariable (
+ VariableNameI,
+ VendorGuid,
+ Attributes,
+ &DataSizeI,
+ NULL
+ );
+ ASSERT (Status == EFI_BUFFER_TOO_SMALL);
+ //
+ // Validate the variable count and variable size.
+ //
+ if (VariableIndex != IpSecVariableInfo.VariableCount) {
+ //
+ // If the varaibe is not the last one, its size should be the max
+ // size of the single variable.
+ //
+ if (DataSizeI != IpSecVariableInfo.SingleVariableSize) {
+ return EFI_ABORTED;
+ }
+ } else {
+ if (DataSizeI != IpSecVariableInfo.VariableSize % IpSecVariableInfo.SingleVariableSize) {
+ return EFI_ABORTED;
+ }
+ }
+ //
+ // Get the variable data of the current ipsecconfig data and
+ // store it into user buffer continously.
+ //
+ Status = gRT->GetVariable (
+ VariableNameI,
+ VendorGuid,
+ Attributes,
+ &DataSizeI,
+ (UINT8 *) Data + (VariableIndex - 1) * IpSecVariableInfo.SingleVariableSize
+ );
+ ASSERT_EFI_ERROR (Status);
+ VariableCount--;
+ }
+ }
+ }
+ //
+ // The VariableCount in "VariableNameInfo" varaible should have the correct
+ // numbers of variables which name starts with VariableName.
+ //
+ if (VariableCount != 0) {
+ Status = EFI_ABORTED;
+ }
+
+ON_EXIT:
+ FreePool (VariableNameI);
+ return Status;
+}
+
+/**
+ Set the IPsec variables.
+
+ Set all IPsec variables which start with the specified variable name. Those variables
+ are set one by one.
+
+ @param[in] VariableName The name of the vendor's variable. It is a
+ Null-Terminated Unicode String.
+ @param[in] VendorGuid Unify identifier for vendor.
+ @param[in] Attributes Point to memory location to return the attributes of
+ variable. If the point is NULL, the parameter would be ignored.
+ @param[in] DataSize The size in bytes of Data-Buffer.
+ @param[in] Data Points to the content of the variable.
+
+ @retval EFI_SUCCESS The firmware successfully stored the variable and its data, as
+ defined by the Attributes.
+ @retval others Storing the variables failed.
+
+**/
+EFI_STATUS
+IpSecSetVariable (
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ IN UINT32 Attributes,
+ IN UINTN DataSize,
+ IN VOID *Data
+ )
+{
+ EFI_STATUS Status;
+ CHAR16 *VariableNameI;
+ UINTN VariableNameSize;
+ UINTN VariableIndex;
+ IP_SEC_VARIABLE_INFO IpSecVariableInfo;
+ UINT64 MaximumVariableStorageSize;
+ UINT64 RemainingVariableStorageSize;
+ UINT64 MaximumVariableSize;
+
+ Status = gRT->QueryVariableInfo (
+ Attributes,
+ &MaximumVariableStorageSize,
+ &RemainingVariableStorageSize,
+ &MaximumVariableSize
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // "VariableName + Info/0001/0002/... + NULL"
+ //
+ VariableNameSize = (StrLen (VariableName) + 5) * sizeof (CHAR16);
+ VariableNameI = AllocateZeroPool (VariableNameSize);
+
+ if (VariableNameI == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ON_EXIT;
+ }
+ //
+ // Construct the variable of ipsecconfig general information. Like the total
+ // numbers of the Ipsecconfig variables, the total size of all ipsecconfig variables.
+ //
+ UnicodeSPrint (VariableNameI, VariableNameSize, L"%s%s", VariableName, L"Info");
+ MaximumVariableSize -= VariableNameSize;
+
+ IpSecVariableInfo.VariableCount = (UINT32) ((DataSize + (UINTN) MaximumVariableSize - 1) / (UINTN) MaximumVariableSize);
+ IpSecVariableInfo.VariableSize = (UINT32) DataSize;
+ IpSecVariableInfo.SingleVariableSize = (UINT32) MaximumVariableSize;
+
+ //
+ // Set the variable of ipsecconfig general information.
+ //
+ Status = gRT->SetVariable (
+ VariableNameI,
+ VendorGuid,
+ Attributes,
+ sizeof (IpSecVariableInfo),
+ &IpSecVariableInfo
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Error set ipsecconfig meta data with %r\n", Status));
+ goto ON_EXIT;
+ }
+
+ for (VariableIndex = 0; VariableIndex < IpSecVariableInfo.VariableCount; VariableIndex++) {
+ //
+ // Construct and set the variable of ipsecconfig data one by one.
+ // The index of variable name begin from 0001, and the varaible name
+ // likes "VariableName0001", "VaraiableName0002"....
+ //
+ UnicodeSPrint (VariableNameI, VariableNameSize, L"%s%04d", VariableName, VariableIndex + 1);
+ Status = gRT->SetVariable (
+ VariableNameI,
+ VendorGuid,
+ Attributes,
+ (VariableIndex == IpSecVariableInfo.VariableCount - 1) ?
+ (DataSize % (UINTN) MaximumVariableSize) :
+ (UINTN) MaximumVariableSize,
+ (UINT8 *) Data + VariableIndex * (UINTN) MaximumVariableSize
+ );
+
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Error set ipsecconfig variable data with %r\n", Status));
+ goto ON_EXIT;
+ }
+ }
+
+ON_EXIT:
+ if (VariableNameI != NULL) {
+ FreePool (VariableNameI);
+ }
+
+ return Status;
+}
+
+/**
+ Return the configuration value for the EFI IPsec driver.
+
+ This function lookup the data entry from IPsec database or IKEv2 configuration
+ information. The expected data type and unique identification are described in
+ DataType and Selector parameters.
+
+ @param[in] This Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
+ @param[in] DataType The type of data to retrieve.
+ @param[in] Selector Pointer to an entry selector that is an identifier of the IPsec
+ configuration data entry.
+ @param[in, out] DataSize On output the size of data returned in Data.
+ @param[out] Data The buffer to return the contents of the IPsec configuration data.
+ The type of the data buffer associated with the DataType.
+
+ @retval EFI_SUCCESS The specified configuration data was obtained successfully.
+ @retval EFI_INVALID_PARAMETER One or more of the followings are TRUE:
+ - This is NULL.
+ - Selector is NULL.
+ - DataSize is NULL.
+ - Data is NULL and *DataSize is not zero
+ @retval EFI_NOT_FOUND The configuration data specified by Selector is not found.
+ @retval EFI_UNSUPPORTED The specified DataType is not supported.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result. DataSize has been
+ updated with the size needed to complete the request.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiIpSecConfigGetData (
+ IN EFI_IPSEC_CONFIG_PROTOCOL *This,
+ IN EFI_IPSEC_CONFIG_DATA_TYPE DataType,
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN OUT UINTN *DataSize,
+ OUT VOID *Data
+ )
+{
+ if (This == NULL || Selector == NULL || DataSize == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (*DataSize != 0 && Data == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (DataType >= IPsecConfigDataTypeMaximum) {
+ return EFI_UNSUPPORTED;
+ }
+
+ return mGetPolicyEntry[DataType](Selector, DataSize, Data);
+}
+
+/**
+ Set the security association, security policy and peer authorization configuration
+ information for the EFI IPsec driver.
+
+ This function is used to set the IPsec configuration information of type DataType for
+ the EFI IPsec driver.
+ The IPsec configuration data has a unique selector/identifier separately to identify
+ a data entry. The selector structure depends on DataType's definition.
+ Using SetData() with a Data of NULL causes the IPsec configuration data entry identified
+ by DataType and Selector to be deleted.
+
+ @param[in] This Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
+ @param[in] DataType The type of data to be set.
+ @param[in] Selector Pointer to an entry selector on operated configuration data
+ specified by DataType. A NULL Selector causes the entire
+ specified-type configuration information to be flushed.
+ @param[in] Data The data buffer to be set. The structure of the data buffer is
+ associated with the DataType.
+ @param[in] InsertBefore Pointer to one entry selector which describes the expected
+ position the new data entry will be added. If InsertBefore is NULL,
+ the new entry will be appended to the end of the database.
+
+ @retval EFI_SUCCESS The specified configuration entry data was set successfully.
+ @retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
+ - This is NULL.
+ @retval EFI_UNSUPPORTED The specified DataType is not supported.
+ @retval EFI_OUT_OF_RESOURCED The required system resource could not be allocated.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiIpSecConfigSetData (
+ IN EFI_IPSEC_CONFIG_PROTOCOL *This,
+ IN EFI_IPSEC_CONFIG_DATA_TYPE DataType,
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN VOID *Data,
+ IN EFI_IPSEC_CONFIG_SELECTOR *InsertBefore OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+
+ if (This == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (DataType >= IPsecConfigDataTypeMaximum) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = mSetPolicyEntry[DataType](Selector, Data, InsertBefore);
+
+ if (!EFI_ERROR (Status) && !mSetBySelf) {
+ //
+ // Save the updated config data into variable.
+ //
+ IpSecConfigSave ();
+ }
+
+ return Status;
+}
+
+/**
+ Enumerates the current selector for IPsec configuration data entry.
+
+ This function is called multiple times to retrieve the entry Selector in IPsec
+ configuration database. On each call to GetNextSelector(), the next entry
+ Selector are retrieved into the output interface.
+
+ If the entire IPsec configuration database has been iterated, the error
+ EFI_NOT_FOUND is returned.
+ If the Selector buffer is too small for the next Selector copy, an
+ EFI_BUFFER_TOO_SMALL error is returned, and SelectorSize is updated to reflect
+ the size of buffer needed.
+
+ On the initial call to GetNextSelector() to start the IPsec configuration database
+ search, a pointer to the buffer with all zero value is passed in Selector. Calls
+ to SetData() between calls to GetNextSelector may produce unpredictable results.
+
+ @param[in] This Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
+ @param[in] DataType The type of IPsec configuration data to retrieve.
+ @param[in, out] SelectorSize The size of the Selector buffer.
+ @param[in, out] Selector On input, supplies the pointer to last Selector that was
+ returned by GetNextSelector().
+ On output, returns one copy of the current entry Selector
+ of a given DataType.
+
+ @retval EFI_SUCCESS The specified configuration data was obtained successfully.
+ @retval EFI_INVALID_PARAMETER One or more of the followings are TRUE:
+ - This is NULL.
+ - SelectorSize is NULL.
+ - Selector is NULL.
+ @retval EFI_NOT_FOUND The next configuration data entry was not found.
+ @retval EFI_UNSUPPORTED The specified DataType is not supported.
+ @retval EFI_BUFFER_TOO_SMALL The SelectorSize is too small for the result. This parameter
+ has been updated with the size needed to complete the search
+ request.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiIpSecConfigGetNextSelector (
+ IN EFI_IPSEC_CONFIG_PROTOCOL *This,
+ IN EFI_IPSEC_CONFIG_DATA_TYPE DataType,
+ IN OUT UINTN *SelectorSize,
+ IN OUT EFI_IPSEC_CONFIG_SELECTOR *Selector
+ )
+{
+ LIST_ENTRY *Link;
+ IPSEC_COMMON_POLICY_ENTRY *CommonEntry;
+ BOOLEAN IsFound;
+
+ if (This == NULL || Selector == NULL || SelectorSize == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (DataType >= IPsecConfigDataTypeMaximum) {
+ return EFI_UNSUPPORTED;
+ }
+
+ IsFound = FALSE;
+
+ NET_LIST_FOR_EACH (Link, &mConfigData[DataType]) {
+ CommonEntry = BASE_CR (Link, IPSEC_COMMON_POLICY_ENTRY, List);
+
+ if (IsFound || mIsZeroSelector[DataType](Selector)) {
+ //
+ // If found the appointed entry, then duplicate the next one and return,
+ // or if the appointed entry is zero, then return the first one directly.
+ //
+ return mDuplicateSelector[DataType](Selector, CommonEntry->Selector, SelectorSize);
+ } else {
+ //
+ // Set the flag if find the appointed entry.
+ //
+ IsFound = mCompareSelector[DataType](Selector, CommonEntry->Selector);
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+/**
+ Register an event that is to be signaled whenever a configuration process on the
+ specified IPsec configuration information is done.
+
+ The register function is not surpport now and always returns EFI_UNSUPPORTED.
+
+ @param[in] This Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
+ @param[in] DataType The type of data to be registered the event for.
+ @param[in] Event The event to be registered.
+
+ @retval EFI_SUCCESS The event is registered successfully.
+ @retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
+ @retval EFI_ACCESS_DENIED The Event is already registered for the DataType.
+ @retval EFI_UNSUPPORTED The notify registration is unsupported, or the specified
+ DataType is not supported.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiIpSecConfigRegisterNotify (
+ IN EFI_IPSEC_CONFIG_PROTOCOL *This,
+ IN EFI_IPSEC_CONFIG_DATA_TYPE DataType,
+ IN EFI_EVENT Event
+ )
+{
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ Remove the specified event that was previously registered on the specified IPsec
+ configuration data.
+
+ This function is not support now and alwasy return EFI_UNSUPPORTED.
+
+ @param[in] This Pointer to the EFI_IPSEC_CONFIG_PROTOCOL instance.
+ @param[in] DataType The configuration data type to remove the registered event for.
+ @param[in] Event The event to be unregistered.
+
+ @retval EFI_SUCCESS The event was removed successfully.
+ @retval EFI_NOT_FOUND The Event specified by DataType could not be found in the
+ database.
+ @retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
+ @retval EFI_UNSUPPORTED The notify registration is unsupported, or the specified
+ DataType is not supported.
+
+**/
+EFI_STATUS
+EFIAPI
+EfiIpSecConfigUnregisterNotify (
+ IN EFI_IPSEC_CONFIG_PROTOCOL *This,
+ IN EFI_IPSEC_CONFIG_DATA_TYPE DataType,
+ IN EFI_EVENT Event
+ )
+{
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ Copy whole data in specified EFI_SIPEC_CONFIG_SELECTOR and the Data to a buffer.
+
+ This function is a caller defined function, and it is called by the IpSecVisitConfigData().
+ The orignal caller is IpSecConfigSave(), which calls the IpsecVisitConfigData() to
+ copy all types of IPsec Config datas into one buffer and store this buffer into firmware in
+ the form of several variables.
+
+ @param[in] Type A specified IPSEC_CONFIG_DATA_TYPE.
+ @param[in] Selector Points to a EFI_IPSEC_CONFIG_SELECTOR to be copied
+ to the buffer.
+ @param[in] Data Points to data to be copied to the buffer. The
+ Data type is related to the Type.
+ @param[in] SelectorSize The size of the Selector.
+ @param[in] DataSize The size of the Data.
+ @param[in, out] Buffer The buffer to store the Selector and Data.
+
+ @retval EFI_SUCCESS Copy the Selector and Data to a buffer successfully.
+ @retval EFI_OUT_OF_RESOURCES The required system resource could not be allocated.
+
+**/
+EFI_STATUS
+IpSecCopyPolicyEntry (
+ IN EFI_IPSEC_CONFIG_DATA_TYPE Type,
+ IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
+ IN VOID *Data,
+ IN UINTN SelectorSize,
+ IN UINTN DataSize,
+ IN OUT IPSEC_VARIABLE_BUFFER *Buffer
+ )
+{
+ IPSEC_VAR_ITEM_HEADER SelectorHeader;
+ IPSEC_VAR_ITEM_HEADER DataHeader;
+ UINTN EntrySize;
+ UINT8 *TempPoint;
+
+ if (Type == IPsecConfigDataTypeSad) {
+ //
+ // Don't save automatically-generated sa entry into variable.
+ //
+ if (((EFI_IPSEC_SA_DATA *) Data)->ManualSet == FALSE) {
+ return EFI_SUCCESS;
+ }
+ }
+ //
+ // Increase the capacity size of the buffer if needed.
+ //
+ EntrySize = ALIGN_VARIABLE (sizeof (SelectorHeader));
+ EntrySize = ALIGN_VARIABLE (EntrySize + SelectorSize);
+ EntrySize = ALIGN_VARIABLE (EntrySize + sizeof (SelectorHeader));
+ EntrySize = ALIGN_VARIABLE (EntrySize + DataSize);
+
+ //EntrySize = SelectorSize + DataSize + 2 * sizeof (SelectorHeader);
+ if (Buffer->Capacity - Buffer->Size < EntrySize) {
+ //
+ // Calculate the required buffer
+ //
+ Buffer->Capacity += EntrySize;
+ TempPoint = AllocatePool (Buffer->Capacity);
+
+ if (Buffer->Ptr == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Copy the old Buffer to new buffer and free the old one.
+ //
+ CopyMem (TempPoint, Buffer->Ptr, Buffer->Size);
+ FreePool (Buffer->Ptr);
+
+ Buffer->Ptr = TempPoint;
+ }
+
+ mFixPolicyEntry[Type](Selector, Data);
+
+ //
+ // Fill the selector header and copy it into buffer.
+ //
+ SelectorHeader.Type = (UINT8) (Type | IPSEC_VAR_ITEM_HEADER_LOGO_BIT);
+ SelectorHeader.Size = (UINT16) SelectorSize;
+
+ CopyMem (
+ Buffer->Ptr + Buffer->Size,
+ &SelectorHeader,
+ sizeof (SelectorHeader)
+ );
+ Buffer->Size = ALIGN_VARIABLE (Buffer->Size + sizeof (SelectorHeader));
+
+ //
+ // Copy the selector into buffer.
+ //
+ CopyMem (
+ Buffer->Ptr + Buffer->Size,
+ Selector,
+ SelectorSize
+ );
+ Buffer->Size = ALIGN_VARIABLE (Buffer->Size + SelectorSize);
+
+ //
+ // Fill the data header and copy it into buffer.
+ //
+ DataHeader.Type = (UINT8) Type;
+ DataHeader.Size = (UINT16) DataSize;
+
+ CopyMem (
+ Buffer->Ptr + Buffer->Size,
+ &DataHeader,
+ sizeof (DataHeader)
+ );
+ Buffer->Size = ALIGN_VARIABLE (Buffer->Size + sizeof (DataHeader));
+ //
+ // Copy the data into buffer.
+ //
+ CopyMem (
+ Buffer->Ptr + Buffer->Size,
+ Data,
+ DataSize
+ );
+ Buffer->Size = ALIGN_VARIABLE (Buffer->Size + DataSize);
+
+ mUnfixPolicyEntry[Type](Selector, Data);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Visit all IPsec Configurations of specified Type and call the caller defined
+ interface.
+
+ @param[in] DataType The specified IPsec Config Data Type.
+ @param[in] Routine The function defined by the caller.
+ @param[in] Context The data passed to the Routine.
+
+ @retval EFI_OUT_OF_RESOURCES The required system resource could not be allocated
+ @retval EFI_SUCCESS This function completed successfully.
+
+**/
+EFI_STATUS
+IpSecVisitConfigData (
+ IN EFI_IPSEC_CONFIG_DATA_TYPE DataType,
+ IN IPSEC_COPY_POLICY_ENTRY Routine,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS GetNextStatus;
+ EFI_STATUS GetDataStatus;
+ EFI_STATUS RoutineStatus;
+ EFI_IPSEC_CONFIG_SELECTOR *Selector;
+ VOID *Data;
+ UINTN SelectorSize;
+ UINTN DataSize;
+ UINTN SelectorBufferSize;
+ UINTN DataBufferSize;
+ BOOLEAN FirstGetNext;
+
+ FirstGetNext = TRUE;
+ DataBufferSize = 0;
+ Data = NULL;
+ SelectorBufferSize = sizeof (EFI_IPSEC_CONFIG_SELECTOR);
+ Selector = AllocateZeroPool (SelectorBufferSize);
+
+ if (Selector == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ while (TRUE) {
+ //
+ // Get the real size of the selector.
+ //
+ SelectorSize = SelectorBufferSize;
+ GetNextStatus = EfiIpSecConfigGetNextSelector (
+ &mIpSecConfigInstance,
+ DataType,
+ &SelectorSize,
+ Selector
+ );
+ if (GetNextStatus == EFI_BUFFER_TOO_SMALL) {
+ FreePool (Selector);
+ SelectorBufferSize = SelectorSize;
+ //
+ // Allocate zero pool for the first selector, while store the last
+ // selector content for the other selectors.
+ //
+ if (FirstGetNext) {
+ Selector = AllocateZeroPool (SelectorBufferSize);
+ } else {
+ Selector = AllocateCopyPool (SelectorBufferSize, Selector);
+ }
+
+ if (Selector == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Get the content of the selector.
+ //
+ GetNextStatus = EfiIpSecConfigGetNextSelector (
+ &mIpSecConfigInstance,
+ DataType,
+ &SelectorSize,
+ Selector
+ );
+ }
+
+ if (EFI_ERROR (GetNextStatus)) {
+ break;
+ }
+
+ FirstGetNext = FALSE;
+
+ //
+ // Get the real size of the policy entry according to the selector.
+ //
+ DataSize = DataBufferSize;
+ GetDataStatus = EfiIpSecConfigGetData (
+ &mIpSecConfigInstance,
+ DataType,
+ Selector,
+ &DataSize,
+ Data
+ );
+ if (GetDataStatus == EFI_BUFFER_TOO_SMALL) {
+ if (Data != NULL) {
+ FreePool (Data);
+ }
+
+ DataBufferSize = DataSize;
+ Data = AllocateZeroPool (DataBufferSize);
+
+ if (Data == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Get the content of the policy entry according to the selector.
+ //
+ GetDataStatus = EfiIpSecConfigGetData (
+ &mIpSecConfigInstance,
+ DataType,
+ Selector,
+ &DataSize,
+ Data
+ );
+ }
+
+ if (EFI_ERROR (GetDataStatus)) {
+ break;
+ }
+ //
+ // Prepare the buffer of updated policy entry, which is stored in
+ // the continous memory, and then save into variable later.
+ //
+ RoutineStatus = Routine (
+ DataType,
+ Selector,
+ Data,
+ SelectorSize,
+ DataSize,
+ Context
+ );
+ if (EFI_ERROR (RoutineStatus)) {
+ break;
+ }
+ }
+
+ if (Data != NULL) {
+ FreePool (Data);
+ }
+
+ if (Selector != NULL) {
+ FreePool (Selector);
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function is the subfunction of EFIIpSecConfigSetData.
+
+ This function call IpSecSetVaraible to set the IPsec Configuration into the firmware.
+
+ @retval EFI_OUT_OF_RESOURCES The required system resource could not be allocated.
+ @retval EFI_SUCCESS Saved the configration successfully.
+ @retval Others Other errors were found while obtaining the variable.
+
+**/
+EFI_STATUS
+IpSecConfigSave (
+ VOID
+ )
+{
+ IPSEC_VARIABLE_BUFFER Buffer;
+ EFI_STATUS Status;
+ EFI_IPSEC_CONFIG_DATA_TYPE Type;
+
+ Buffer.Size = 0;
+ Buffer.Capacity = IPSEC_DEFAULT_VARIABLE_SIZE;
+ Buffer.Ptr = AllocateZeroPool (Buffer.Capacity);
+
+ if (Buffer.Ptr == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // For each policy database, prepare the contious buffer to save into variable.
+ //
+ for (Type = IPsecConfigDataTypeSpd; Type < IPsecConfigDataTypeMaximum; Type++) {
+ IpSecVisitConfigData (
+ Type,
+ (IPSEC_COPY_POLICY_ENTRY) IpSecCopyPolicyEntry,
+ &Buffer
+ );
+ }
+ //
+ // Save the updated policy database into variable.
+ //
+ Status = IpSecSetVariable (
+ IPSECCONFIG_VARIABLE_NAME,
+ &gEfiIpSecConfigProtocolGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ Buffer.Size,
+ Buffer.Ptr
+ );
+
+ FreePool (Buffer.Ptr);
+
+ return Status;
+}
+
+/**
+ Get the all IPSec configuration variables and store those variables
+ to the internal data structure.
+
+ This founction is called by IpSecConfigInitialize() which is to intialize the
+ IPsecConfiguration Protocol.
+
+ @param[in] Private Point to IPSEC_PRIVATE_DATA.
+
+ @retval EFI_OUT_OF_RESOURCES The required system resource could not be allocated
+ @retval EFI_SUCCESS Restore the IPsec Configuration successfully.
+ @retval others Other errors is found while obtaining the variable.
+
+**/
+EFI_STATUS
+IpSecConfigRestore (
+ IN IPSEC_PRIVATE_DATA *Private
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ UINT8 *Buffer;
+ IPSEC_VAR_ITEM_HEADER *Header;
+ UINT8 *Ptr;
+ EFI_IPSEC_CONFIG_SELECTOR *Selector;
+ EFI_IPSEC_CONFIG_DATA_TYPE Type;
+ VOID *Data;
+ UINT8 Value;
+ UINTN Size;
+
+ Value = 0;
+ Size = sizeof (Value);
+ BufferSize = 0;
+ Buffer = NULL;
+
+ Status = gRT->GetVariable (
+ IPSECCONFIG_STATUS_NAME,
+ &gEfiIpSecConfigProtocolGuid,
+ NULL,
+ &Size,
+ &Value
+ );
+
+ if (!EFI_ERROR (Status) && Value == IPSEC_STATUS_ENABLED) {
+ Private->IpSec.DisabledFlag = FALSE;
+ }
+ //
+ // Get the real size of policy database in variable.
+ //
+ Status = IpSecGetVariable (
+ IPSECCONFIG_VARIABLE_NAME,
+ &gEfiIpSecConfigProtocolGuid,
+ NULL,
+ &BufferSize,
+ Buffer
+ );
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+
+ Buffer = AllocateZeroPool (BufferSize);
+ if (Buffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Get the content of policy database in variable.
+ //
+ Status = IpSecGetVariable (
+ IPSECCONFIG_VARIABLE_NAME,
+ &gEfiIpSecConfigProtocolGuid,
+ NULL,
+ &BufferSize,
+ Buffer
+ );
+ if (EFI_ERROR (Status)) {
+ FreePool (Buffer);
+ return Status;
+ }
+
+ for (Ptr = Buffer; Ptr < Buffer + BufferSize;) {
+
+ Header = (IPSEC_VAR_ITEM_HEADER *) Ptr;
+ Type = (EFI_IPSEC_CONFIG_DATA_TYPE) (Header->Type & IPSEC_VAR_ITEM_HEADER_CONTENT_BIT);
+ ASSERT (((Header->Type & 0x80) == IPSEC_VAR_ITEM_HEADER_LOGO_BIT) && (Type < IPsecConfigDataTypeMaximum));
+
+ Selector = (EFI_IPSEC_CONFIG_SELECTOR *) ALIGN_POINTER (Header + 1, sizeof (UINTN));
+ Header = (IPSEC_VAR_ITEM_HEADER *) ALIGN_POINTER (
+ (UINT8 *) Selector + Header->Size,
+ sizeof (UINTN)
+ );
+ ASSERT (Header->Type == Type);
+
+ Data = ALIGN_POINTER (Header + 1, sizeof (UINTN));
+
+ mUnfixPolicyEntry[Type](Selector, Data);
+
+ //
+ // Update each policy entry according to the content in variable.
+ //
+ mSetBySelf = TRUE;
+ Status = EfiIpSecConfigSetData (
+ &Private->IpSecConfig,
+ Type,
+ Selector,
+ Data,
+ NULL
+ );
+ mSetBySelf = FALSE;
+
+ if (EFI_ERROR (Status)) {
+ FreePool (Buffer);
+ return Status;
+ }
+
+ Ptr = ALIGN_POINTER ((UINT8 *) Data + Header->Size, sizeof (UINTN));
+ }
+
+ FreePool (Buffer);
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Install and Initialize IPsecConfig protocol
+
+ @param[in, out] Private Pointer to IPSEC_PRIVATE_DATA. After this function finish,
+ the pointer of IPsecConfig Protocol implementation will copy
+ into its IPsecConfig member.
+
+ @retval EFI_SUCCESS Initialized the IPsecConfig Protocol successfully.
+ @retval Others Initializing the IPsecConfig Protocol failed.
+**/
+EFI_STATUS
+IpSecConfigInitialize (
+ IN OUT IPSEC_PRIVATE_DATA *Private
+ )
+{
+ EFI_IPSEC_CONFIG_DATA_TYPE Type;
+
+ CopyMem (
+ &Private->IpSecConfig,
+ &mIpSecConfigInstance,
+ sizeof (EFI_IPSEC_CONFIG_PROTOCOL)
+ );
+
+ //
+ // Initialize the list head of policy database.
+ //
+ for (Type = IPsecConfigDataTypeSpd; Type < IPsecConfigDataTypeMaximum; Type++) {
+ InitializeListHead (&mConfigData[Type]);
+ }
+ //
+ // Restore the content of policy database according to the variable.
+ //
+ IpSecConfigRestore (Private);
+
+ return gBS->InstallMultipleProtocolInterfaces (
+ &Private->Handle,
+ &gEfiIpSecConfigProtocolGuid,
+ &Private->IpSecConfig,
+ NULL
+ );
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 12:26:07 +0000