X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;ds=sidebyside;f=NetworkPkg%2FUefiPxeBcDxe%2FPxeBcDhcp6.c;h=425e0cf8061de1392178a03ef7de211d7457f913;hb=HEAD;hp=07f1724365f4dc7078d2c833ec4abefe9808ae93;hpb=07f986f134abf85b4b1f360ca3c86f22cd9f92da;p=mirror_edk2.git
diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
index 07f1724365..425e0cf806 100644
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
@@ -2,15 +2,9 @@
Functions implementation related with DHCPv6 for UefiPxeBc Driver.
(C) Copyright 2014 Hewlett-Packard Development Company, L.P.
- Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
- 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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -21,7 +15,9 @@
//
// ALL_DHCP_Relay_Agents_and_Servers address: FF02::1:2
//
-EFI_IPv6_ADDRESS mAllDhcpRelayAndServersAddress = {{0xFF, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2}};
+EFI_IPv6_ADDRESS mAllDhcpRelayAndServersAddress = {
+ { 0xFF, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2 }
+};
/**
Parse out a DHCPv6 option by OptTag, and find the position in buffer.
@@ -31,40 +27,37 @@ EFI_IPv6_ADDRESS mAllDhcpRelayAndServersAddress = {{0xFF, 2, 0, 0, 0, 0, 0, 0,
@param[in] OptTag The required option tag.
@retval NULL Failed to parse the required option.
- @retval Others The postion of the required option in buffer.
+ @retval Others The position of the required option in buffer.
**/
EFI_DHCP6_PACKET_OPTION *
PxeBcParseDhcp6Options (
- IN UINT8 *Buffer,
- IN UINT32 Length,
- IN UINT16 OptTag
+ IN UINT8 *Buffer,
+ IN UINT32 Length,
+ IN UINT16 OptTag
)
{
- EFI_DHCP6_PACKET_OPTION *Option;
- UINT32 Offset;
+ EFI_DHCP6_PACKET_OPTION *Option;
+ UINT32 Offset;
- Option = (EFI_DHCP6_PACKET_OPTION *) Buffer;
- Offset = 0;
+ Option = (EFI_DHCP6_PACKET_OPTION *)Buffer;
+ Offset = 0;
//
// OpLen and OpCode here are both stored in network order.
//
while (Offset < Length) {
-
if (NTOHS (Option->OpCode) == OptTag) {
-
return Option;
}
- Offset += (NTOHS(Option->OpLen) + 4);
- Option = (EFI_DHCP6_PACKET_OPTION *) (Buffer + Offset);
+ Offset += (NTOHS (Option->OpLen) + 4);
+ Option = (EFI_DHCP6_PACKET_OPTION *)(Buffer + Offset);
}
return NULL;
}
-
/**
Build the options buffer for the DHCPv6 request packet.
@@ -77,68 +70,70 @@ PxeBcParseDhcp6Options (
**/
UINT32
PxeBcBuildDhcp6Options (
- IN PXEBC_PRIVATE_DATA *Private,
- OUT EFI_DHCP6_PACKET_OPTION **OptList,
- IN UINT8 *Buffer
+ IN PXEBC_PRIVATE_DATA *Private,
+ OUT EFI_DHCP6_PACKET_OPTION **OptList,
+ IN UINT8 *Buffer
)
{
- PXEBC_DHCP6_OPTION_ENTRY OptEnt;
- UINT32 Index;
- UINT16 Value;
+ PXEBC_DHCP6_OPTION_ENTRY OptEnt;
+ UINT32 Index;
+ UINT16 Value;
- Index = 0;
- OptList[0] = (EFI_DHCP6_PACKET_OPTION *) Buffer;
+ Index = 0;
+ OptList[0] = (EFI_DHCP6_PACKET_OPTION *)Buffer;
//
// Append client option request option
//
- OptList[Index]->OpCode = HTONS (PXEBC_DHCP6_OPT_ORO);
- OptList[Index]->OpLen = HTONS (4);
- OptEnt.Oro = (PXEBC_DHCP6_OPTION_ORO *) OptList[Index]->Data;
- OptEnt.Oro->OpCode[0] = HTONS(PXEBC_DHCP6_OPT_BOOT_FILE_URL);
- OptEnt.Oro->OpCode[1] = HTONS(PXEBC_DHCP6_OPT_BOOT_FILE_PARAM);
+ OptList[Index]->OpCode = HTONS (DHCP6_OPT_ORO);
+ OptList[Index]->OpLen = HTONS (8);
+ OptEnt.Oro = (PXEBC_DHCP6_OPTION_ORO *)OptList[Index]->Data;
+ OptEnt.Oro->OpCode[0] = HTONS (DHCP6_OPT_BOOT_FILE_URL);
+ OptEnt.Oro->OpCode[1] = HTONS (DHCP6_OPT_BOOT_FILE_PARAM);
+ OptEnt.Oro->OpCode[2] = HTONS (DHCP6_OPT_DNS_SERVERS);
+ OptEnt.Oro->OpCode[3] = HTONS (DHCP6_OPT_VENDOR_CLASS);
Index++;
- OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
+ OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
//
// Append client network device interface option
//
- OptList[Index]->OpCode = HTONS (PXEBC_DHCP6_OPT_UNDI);
- OptList[Index]->OpLen = HTONS ((UINT16)3);
- OptEnt.Undi = (PXEBC_DHCP6_OPTION_UNDI *) OptList[Index]->Data;
+ OptList[Index]->OpCode = HTONS (DHCP6_OPT_UNDI);
+ OptList[Index]->OpLen = HTONS ((UINT16)3);
+ OptEnt.Undi = (PXEBC_DHCP6_OPTION_UNDI *)OptList[Index]->Data;
if (Private->Nii != NULL) {
- OptEnt.Undi->Type = Private->Nii->Type;
- OptEnt.Undi->MajorVer = Private->Nii->MajorVer;
- OptEnt.Undi->MinorVer = Private->Nii->MinorVer;
+ OptEnt.Undi->Type = Private->Nii->Type;
+ OptEnt.Undi->MajorVer = Private->Nii->MajorVer;
+ OptEnt.Undi->MinorVer = Private->Nii->MinorVer;
} else {
- OptEnt.Undi->Type = DEFAULT_UNDI_TYPE;
- OptEnt.Undi->MajorVer = DEFAULT_UNDI_MAJOR;
- OptEnt.Undi->MinorVer = DEFAULT_UNDI_MINOR;
+ OptEnt.Undi->Type = DEFAULT_UNDI_TYPE;
+ OptEnt.Undi->MajorVer = DEFAULT_UNDI_MAJOR;
+ OptEnt.Undi->MinorVer = DEFAULT_UNDI_MINOR;
}
Index++;
- OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
+ OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
//
// Append client system architecture option
//
- OptList[Index]->OpCode = HTONS (PXEBC_DHCP6_OPT_ARCH);
- OptList[Index]->OpLen = HTONS ((UINT16) sizeof (PXEBC_DHCP6_OPTION_ARCH));
- OptEnt.Arch = (PXEBC_DHCP6_OPTION_ARCH *) OptList[Index]->Data;
- Value = HTONS (EFI_PXE_CLIENT_SYSTEM_ARCHITECTURE);
+ OptList[Index]->OpCode = HTONS (DHCP6_OPT_ARCH);
+ OptList[Index]->OpLen = HTONS ((UINT16)sizeof (PXEBC_DHCP6_OPTION_ARCH));
+ OptEnt.Arch = (PXEBC_DHCP6_OPTION_ARCH *)OptList[Index]->Data;
+ Value = HTONS (EFI_PXE_CLIENT_SYSTEM_ARCHITECTURE);
CopyMem (&OptEnt.Arch->Type, &Value, sizeof (UINT16));
Index++;
- OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
+ OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
//
// Append vendor class option to store the PXE class identifier.
//
- OptList[Index]->OpCode = HTONS (PXEBC_DHCP6_OPT_VENDOR_CLASS);
- OptList[Index]->OpLen = HTONS ((UINT16) sizeof (PXEBC_DHCP6_OPTION_VENDOR_CLASS));
- OptEnt.VendorClass = (PXEBC_DHCP6_OPTION_VENDOR_CLASS *) OptList[Index]->Data;
+ OptList[Index]->OpCode = HTONS (DHCP6_OPT_VENDOR_CLASS);
+ OptList[Index]->OpLen = HTONS ((UINT16)sizeof (PXEBC_DHCP6_OPTION_VENDOR_CLASS));
+ OptEnt.VendorClass = (PXEBC_DHCP6_OPTION_VENDOR_CLASS *)OptList[Index]->Data;
OptEnt.VendorClass->Vendor = HTONL (PXEBC_DHCP6_ENTERPRISE_NUM);
- OptEnt.VendorClass->ClassLen = HTONS ((UINT16) sizeof (PXEBC_CLASS_ID));
+ OptEnt.VendorClass->ClassLen = HTONS ((UINT16)sizeof (PXEBC_CLASS_ID));
CopyMem (
&OptEnt.VendorClass->ClassId,
DEFAULT_CLASS_ID_DATA,
@@ -173,53 +168,203 @@ PxeBcBuildDhcp6Options (
return Index;
}
-
/**
Cache the DHCPv6 packet.
@param[in] Dst The pointer to the cache buffer for DHCPv6 packet.
@param[in] Src The pointer to the DHCPv6 packet to be cached.
+ @retval EFI_SUCCESS Packet is copied.
+ @retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough to hold the packet.
+
**/
-VOID
+EFI_STATUS
PxeBcCacheDhcp6Packet (
- IN EFI_DHCP6_PACKET *Dst,
- IN EFI_DHCP6_PACKET *Src
+ IN EFI_DHCP6_PACKET *Dst,
+ IN EFI_DHCP6_PACKET *Src
)
{
- ASSERT (Dst->Size >= Src->Length);
+ if (Dst->Size < Src->Length) {
+ return EFI_BUFFER_TOO_SMALL;
+ }
CopyMem (&Dst->Dhcp6, &Src->Dhcp6, Src->Length);
Dst->Length = Src->Length;
-}
+ return EFI_SUCCESS;
+}
/**
- Free all the nodes in the list for boot file.
+ Retrieve the boot server address using the EFI_DNS6_PROTOCOL.
- @param[in] Head The pointer to the head of list.
+ @param[in] Private Pointer to PxeBc private data.
+ @param[in] HostName Pointer to buffer containing hostname.
+ @param[out] IpAddress On output, pointer to buffer containing IPv6 address.
+
+ @retval EFI_SUCCESS Operation succeeded.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
+ @retval EFI_DEVICE_ERROR An unexpected network error occurred.
+ @retval Others Other errors as indicated.
**/
-VOID
-PxeBcFreeBootFileOption (
- IN LIST_ENTRY *Head
+EFI_STATUS
+PxeBcDns6 (
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN CHAR16 *HostName,
+ OUT EFI_IPv6_ADDRESS *IpAddress
)
{
- LIST_ENTRY *Entry;
- LIST_ENTRY *NextEntry;
- PXEBC_DHCP6_OPTION_NODE *Node;
+ EFI_STATUS Status;
+ EFI_DNS6_PROTOCOL *Dns6;
+ EFI_DNS6_CONFIG_DATA Dns6ConfigData;
+ EFI_DNS6_COMPLETION_TOKEN Token;
+ EFI_HANDLE Dns6Handle;
+ EFI_IPv6_ADDRESS *DnsServerList;
+ BOOLEAN IsDone;
+
+ Dns6 = NULL;
+ Dns6Handle = NULL;
+ DnsServerList = Private->DnsServer;
+ ZeroMem (&Token, sizeof (EFI_DNS6_COMPLETION_TOKEN));
+
+ //
+ // Create a DNSv6 child instance and get the protocol.
+ //
+ Status = NetLibCreateServiceChild (
+ Private->Controller,
+ Private->Image,
+ &gEfiDns6ServiceBindingProtocolGuid,
+ &Dns6Handle
+ );
+ if (EFI_ERROR (Status)) {
+ goto Exit;
+ }
- NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, Head) {
- Node = NET_LIST_USER_STRUCT (Entry, PXEBC_DHCP6_OPTION_NODE, Link);
- RemoveEntryList (Entry);
- FreePool (Node);
+ Status = gBS->OpenProtocol (
+ Dns6Handle,
+ &gEfiDns6ProtocolGuid,
+ (VOID **)&Dns6,
+ Private->Image,
+ Private->Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto Exit;
}
-}
+ //
+ // Configure DNS6 instance for the DNS server address and protocol.
+ //
+ ZeroMem (&Dns6ConfigData, sizeof (EFI_DNS6_CONFIG_DATA));
+ Dns6ConfigData.DnsServerCount = 1;
+ Dns6ConfigData.DnsServerList = DnsServerList;
+ Dns6ConfigData.EnableDnsCache = TRUE;
+ Dns6ConfigData.Protocol = EFI_IP_PROTO_UDP;
+ IP6_COPY_ADDRESS (&Dns6ConfigData.StationIp, &Private->TmpStationIp.v6);
+ Status = Dns6->Configure (
+ Dns6,
+ &Dns6ConfigData
+ );
+ if (EFI_ERROR (Status)) {
+ goto Exit;
+ }
+
+ Token.Status = EFI_NOT_READY;
+ IsDone = FALSE;
+ //
+ // Create event to set the IsDone flag when name resolution is finished.
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ PxeBcCommonNotify,
+ &IsDone,
+ &Token.Event
+ );
+ if (EFI_ERROR (Status)) {
+ goto Exit;
+ }
+
+ //
+ // Start asynchronous name resolution.
+ //
+ Status = Dns6->HostNameToIp (Dns6, HostName, &Token);
+ if (EFI_ERROR (Status)) {
+ goto Exit;
+ }
+
+ while (!IsDone) {
+ Dns6->Poll (Dns6);
+ }
+
+ //
+ // Name resolution is done, check result.
+ //
+ Status = Token.Status;
+ if (!EFI_ERROR (Status)) {
+ if (Token.RspData.H2AData == NULL) {
+ Status = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+
+ if ((Token.RspData.H2AData->IpCount == 0) || (Token.RspData.H2AData->IpList == NULL)) {
+ Status = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+
+ //
+ // We just return the first IPv6 address from DNS protocol.
+ //
+ IP6_COPY_ADDRESS (IpAddress, Token.RspData.H2AData->IpList);
+ Status = EFI_SUCCESS;
+ }
+
+Exit:
+ FreePool (HostName);
+
+ if (Token.Event != NULL) {
+ gBS->CloseEvent (Token.Event);
+ }
+
+ if (Token.RspData.H2AData != NULL) {
+ if (Token.RspData.H2AData->IpList != NULL) {
+ FreePool (Token.RspData.H2AData->IpList);
+ }
+
+ FreePool (Token.RspData.H2AData);
+ }
+
+ if (Dns6 != NULL) {
+ Dns6->Configure (Dns6, NULL);
+
+ gBS->CloseProtocol (
+ Dns6Handle,
+ &gEfiDns6ProtocolGuid,
+ Private->Image,
+ Private->Controller
+ );
+ }
+
+ if (Dns6Handle != NULL) {
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ Private->Image,
+ &gEfiDns6ServiceBindingProtocolGuid,
+ Dns6Handle
+ );
+ }
+
+ if (DnsServerList != NULL) {
+ FreePool (DnsServerList);
+ }
+
+ return Status;
+}
/**
Parse the Boot File URL option.
+ @param[in] Private Pointer to PxeBc private data.
@param[out] FileName The pointer to the boot file name.
@param[in, out] SrvAddr The pointer to the boot server address.
@param[in] BootFile The pointer to the boot file URL option data.
@@ -227,28 +372,33 @@ PxeBcFreeBootFileOption (
@retval EFI_ABORTED User cancel operation.
@retval EFI_SUCCESS Selected the boot menu successfully.
- @retval EFI_NOT_READY Read the input key from the keybroad has not finish.
+ @retval EFI_NOT_READY Read the input key from the keyboard has not finish.
**/
EFI_STATUS
PxeBcExtractBootFileUrl (
- OUT UINT8 **FileName,
- IN OUT EFI_IPv6_ADDRESS *SrvAddr,
- IN CHAR8 *BootFile,
- IN UINT16 Length
+ IN PXEBC_PRIVATE_DATA *Private,
+ OUT UINT8 **FileName,
+ IN OUT EFI_IPv6_ADDRESS *SrvAddr,
+ IN CHAR8 *BootFile,
+ IN UINT16 Length
)
{
- UINT16 PrefixLen;
- CHAR8 *BootFileNamePtr;
- CHAR8 *BootFileName;
- UINT16 BootFileNameLen;
- CHAR8 *TmpStr;
- CHAR8 TmpChar;
- CHAR8 *ServerAddressOption;
- CHAR8 *ServerAddress;
- CHAR8 *ModeStr;
- EFI_STATUS Status;
-
+ UINT16 PrefixLen;
+ CHAR8 *BootFileNamePtr;
+ CHAR8 *BootFileName;
+ UINT16 BootFileNameLen;
+ CHAR8 *TmpStr;
+ CHAR8 TmpChar;
+ CHAR8 *ServerAddressOption;
+ CHAR8 *ServerAddress;
+ CHAR8 *ModeStr;
+ CHAR16 *HostName;
+ BOOLEAN IpExpressedUrl;
+ UINTN Len;
+ EFI_STATUS Status;
+
+ IpExpressedUrl = TRUE;
//
// The format of the Boot File URL option is:
//
@@ -264,22 +414,23 @@ PxeBcExtractBootFileUrl (
//
//
- // Based upon RFC 5970 and UEFI 2.3 Errata D specification, bootfile-url format
- // is tftp://[SERVER_ADDRESS]/BOOTFILE_NAME
+ // Based upon RFC 5970 and UEFI 2.6, bootfile-url format can be
+ // tftp://[SERVER_ADDRESS]/BOOTFILE_NAME or tftp://domain_name/BOOTFILE_NAME
// As an example where the BOOTFILE_NAME is the EFI loader and
// SERVER_ADDRESS is the ASCII encoding of an IPV6 address.
//
- PrefixLen = (UINT16) AsciiStrLen (PXEBC_DHCP6_BOOT_FILE_URL_PREFIX);
+ PrefixLen = (UINT16)AsciiStrLen (PXEBC_DHCP6_BOOT_FILE_URL_PREFIX);
- if (Length <= PrefixLen ||
- CompareMem (BootFile, PXEBC_DHCP6_BOOT_FILE_URL_PREFIX, PrefixLen) != 0) {
+ if ((Length <= PrefixLen) ||
+ (CompareMem (BootFile, PXEBC_DHCP6_BOOT_FILE_URL_PREFIX, PrefixLen) != 0))
+ {
return EFI_NOT_FOUND;
}
BootFile = BootFile + PrefixLen;
- Length = (UINT16) (Length - PrefixLen);
+ Length = (UINT16)(Length - PrefixLen);
- TmpStr = (CHAR8 *) AllocateZeroPool (Length + 1);
+ TmpStr = (CHAR8 *)AllocateZeroPool (Length + 1);
if (TmpStr == NULL) {
return EFI_OUT_OF_RESOURCES;
}
@@ -291,83 +442,121 @@ PxeBcExtractBootFileUrl (
// Get the part of SERVER_ADDRESS string.
//
ServerAddressOption = TmpStr;
- if (*ServerAddressOption != PXEBC_ADDR_START_DELIMITER) {
- FreePool (TmpStr);
- return EFI_INVALID_PARAMETER;
- }
+ if (*ServerAddressOption == PXEBC_ADDR_START_DELIMITER) {
+ ServerAddressOption++;
+ ServerAddress = ServerAddressOption;
+ while (*ServerAddress != '\0' && *ServerAddress != PXEBC_ADDR_END_DELIMITER) {
+ ServerAddress++;
+ }
- ServerAddressOption ++;
- ServerAddress = ServerAddressOption;
- while (*ServerAddress != '\0' && *ServerAddress != PXEBC_ADDR_END_DELIMITER) {
- ServerAddress++;
- }
+ if (*ServerAddress != PXEBC_ADDR_END_DELIMITER) {
+ FreePool (TmpStr);
+ return EFI_INVALID_PARAMETER;
+ }
- if (*ServerAddress != PXEBC_ADDR_END_DELIMITER) {
- FreePool (TmpStr);
- return EFI_INVALID_PARAMETER;
- }
+ *ServerAddress = '\0';
- *ServerAddress = '\0';
+ //
+ // Convert the string of server address to Ipv6 address format and store it.
+ //
+ Status = NetLibAsciiStrToIp6 (ServerAddressOption, SrvAddr);
+ if (EFI_ERROR (Status)) {
+ FreePool (TmpStr);
+ return Status;
+ }
+ } else {
+ IpExpressedUrl = FALSE;
+ ServerAddress = ServerAddressOption;
+ while (*ServerAddress != '\0' && *ServerAddress != PXEBC_TFTP_URL_SEPARATOR) {
+ ServerAddress++;
+ }
- //
- // Convert the string of server address to Ipv6 address format and store it.
- //
- Status = NetLibAsciiStrToIp6 (ServerAddressOption, SrvAddr);
- if (EFI_ERROR (Status)) {
- FreePool (TmpStr);
- return Status;
+ if (*ServerAddress != PXEBC_TFTP_URL_SEPARATOR) {
+ FreePool (TmpStr);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *ServerAddress = '\0';
+
+ Len = AsciiStrSize (ServerAddressOption);
+ HostName = AllocateZeroPool (Len * sizeof (CHAR16));
+ if (HostName == NULL) {
+ FreePool (TmpStr);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ AsciiStrToUnicodeStrS (
+ ServerAddressOption,
+ HostName,
+ Len
+ );
+
+ //
+ // Perform DNS resolution.
+ //
+ Status = PxeBcDns6 (Private, HostName, SrvAddr);
+ if (EFI_ERROR (Status)) {
+ FreePool (TmpStr);
+ return Status;
+ }
}
//
// Get the part of BOOTFILE_NAME string.
//
- BootFileNamePtr = (CHAR8*)((UINTN)ServerAddress + 1);
- if (*BootFileNamePtr != PXEBC_TFTP_URL_SEPARATOR) {
- FreePool (TmpStr);
- return EFI_INVALID_PARAMETER;
+ BootFileNamePtr = (CHAR8 *)((UINTN)ServerAddress + 1);
+ if (IpExpressedUrl) {
+ if (*BootFileNamePtr != PXEBC_TFTP_URL_SEPARATOR) {
+ FreePool (TmpStr);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ ++BootFileNamePtr;
}
- ++BootFileNamePtr;
- BootFileNameLen = (UINT16)(Length - (UINT16) ((UINTN)BootFileNamePtr - (UINTN)TmpStr) + 1);
- if (BootFileNameLen != 0 || FileName != NULL) {
+ BootFileNameLen = (UINT16)(Length - (UINT16)((UINTN)BootFileNamePtr - (UINTN)TmpStr) + 1);
+ if ((BootFileNameLen != 0) || (FileName != NULL)) {
//
// Remove trailing mode=octet if present and ignore. All other modes are
// invalid for netboot6, so reject them.
//
ModeStr = AsciiStrStr (BootFileNamePtr, ";mode=octet");
- if (ModeStr != NULL && *(ModeStr + AsciiStrLen (";mode=octet")) == '\0') {
+ if ((ModeStr != NULL) && (*(ModeStr + AsciiStrLen (";mode=octet")) == '\0')) {
*ModeStr = '\0';
} else if (AsciiStrStr (BootFileNamePtr, ";mode=") != NULL) {
+ FreePool (TmpStr);
return EFI_INVALID_PARAMETER;
}
//
// Extract boot file name from URL.
//
- BootFileName = (CHAR8 *) AllocateZeroPool (BootFileNameLen);
+ BootFileName = (CHAR8 *)AllocateZeroPool (BootFileNameLen);
if (BootFileName == NULL) {
FreePool (TmpStr);
return EFI_OUT_OF_RESOURCES;
}
- *FileName = (UINT8*) BootFileName;
+
+ *FileName = (UINT8 *)BootFileName;
//
// Decode percent-encoding in boot file name.
//
while (*BootFileNamePtr != '\0') {
if (*BootFileNamePtr == '%') {
- TmpChar = *(BootFileNamePtr+ 3);
+ TmpChar = *(BootFileNamePtr+ 3);
*(BootFileNamePtr+ 3) = '\0';
- *BootFileName = (UINT8) AsciiStrHexToUintn ((CHAR8*)(BootFileNamePtr + 1));
+ *BootFileName = (UINT8)AsciiStrHexToUintn ((CHAR8 *)(BootFileNamePtr + 1));
BootFileName++;
*(BootFileNamePtr+ 3) = TmpChar;
- BootFileNamePtr += 3;
+ BootFileNamePtr += 3;
} else {
*BootFileName = *BootFileNamePtr;
BootFileName++;
BootFileNamePtr++;
}
}
+
*BootFileName = '\0';
}
@@ -376,7 +565,6 @@ PxeBcExtractBootFileUrl (
return EFI_SUCCESS;
}
-
/**
Parse the Boot File Parameter option.
@@ -389,14 +577,14 @@ PxeBcExtractBootFileUrl (
**/
EFI_STATUS
PxeBcExtractBootFileParam (
- IN CHAR8 *BootFilePara,
- OUT UINT16 *BootFileSize
+ IN CHAR8 *BootFilePara,
+ OUT UINT16 *BootFileSize
)
{
- UINT16 Length;
- UINT8 Index;
- UINT8 Digit;
- UINT32 Size;
+ UINT16 Length;
+ UINT8 Index;
+ UINT8 Digit;
+ UINT32 Size;
CopyMem (&Length, BootFilePara, sizeof (UINT16));
Length = NTOHS (Length);
@@ -404,7 +592,7 @@ PxeBcExtractBootFileParam (
//
// The BootFile Size should be 1~5 byte ASCII strings
//
- if (Length < 1 || Length > 5) {
+ if ((Length < 1) || (Length > 5)) {
return EFI_NOT_FOUND;
}
@@ -426,11 +614,10 @@ PxeBcExtractBootFileParam (
return EFI_NOT_FOUND;
}
- *BootFileSize = (UINT16) Size;
+ *BootFileSize = (UINT16)Size;
return EFI_SUCCESS;
}
-
/**
Parse the cached DHCPv6 packet, including all the options.
@@ -445,15 +632,15 @@ PxeBcParseDhcp6Packet (
IN PXEBC_DHCP6_PACKET_CACHE *Cache6
)
{
- EFI_DHCP6_PACKET *Offer;
- EFI_DHCP6_PACKET_OPTION **Options;
- EFI_DHCP6_PACKET_OPTION *Option;
- PXEBC_OFFER_TYPE OfferType;
- BOOLEAN IsProxyOffer;
- BOOLEAN IsPxeOffer;
- UINT32 Offset;
- UINT32 Length;
- UINT32 EnterpriseNum;
+ EFI_DHCP6_PACKET *Offer;
+ EFI_DHCP6_PACKET_OPTION **Options;
+ EFI_DHCP6_PACKET_OPTION *Option;
+ PXEBC_OFFER_TYPE OfferType;
+ BOOLEAN IsProxyOffer;
+ BOOLEAN IsPxeOffer;
+ UINT32 Offset;
+ UINT32 Length;
+ UINT32 EnterpriseNum;
IsProxyOffer = TRUE;
IsPxeOffer = FALSE;
@@ -462,44 +649,45 @@ PxeBcParseDhcp6Packet (
ZeroMem (Cache6->OptList, sizeof (Cache6->OptList));
- Option = (EFI_DHCP6_PACKET_OPTION *) (Offer->Dhcp6.Option);
- Offset = 0;
- Length = GET_DHCP6_OPTION_SIZE (Offer);
+ Option = (EFI_DHCP6_PACKET_OPTION *)(Offer->Dhcp6.Option);
+ Offset = 0;
+ Length = GET_DHCP6_OPTION_SIZE (Offer);
//
// OpLen and OpCode here are both stored in network order, since they are from original packet.
//
while (Offset < Length) {
-
- if (NTOHS (Option->OpCode) == PXEBC_DHCP6_OPT_IA_NA) {
+ if (NTOHS (Option->OpCode) == DHCP6_OPT_IA_NA) {
Options[PXEBC_DHCP6_IDX_IA_NA] = Option;
- } else if (NTOHS (Option->OpCode) == PXEBC_DHCP6_OPT_BOOT_FILE_URL) {
+ } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_URL) {
//
// The server sends this option to inform the client about an URL to a boot file.
//
Options[PXEBC_DHCP6_IDX_BOOT_FILE_URL] = Option;
- } else if (NTOHS (Option->OpCode) == PXEBC_DHCP6_OPT_BOOT_FILE_PARAM) {
+ } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_PARAM) {
Options[PXEBC_DHCP6_IDX_BOOT_FILE_PARAM] = Option;
- } else if (NTOHS (Option->OpCode) == PXEBC_DHCP6_OPT_VENDOR_CLASS) {
+ } else if (NTOHS (Option->OpCode) == DHCP6_OPT_VENDOR_CLASS) {
Options[PXEBC_DHCP6_IDX_VENDOR_CLASS] = Option;
+ } else if (NTOHS (Option->OpCode) == DHCP6_OPT_DNS_SERVERS) {
+ Options[PXEBC_DHCP6_IDX_DNS_SERVER] = Option;
}
Offset += (NTOHS (Option->OpLen) + 4);
- Option = (EFI_DHCP6_PACKET_OPTION *) (Offer->Dhcp6.Option + Offset);
+ Option = (EFI_DHCP6_PACKET_OPTION *)(Offer->Dhcp6.Option + Offset);
}
//
// The offer with assigned client address is NOT a proxy offer.
- // An ia_na option, embeded with valid ia_addr option and a status_code of success.
+ // An ia_na option, embedded with valid ia_addr option and a status_code of success.
//
Option = Options[PXEBC_DHCP6_IDX_IA_NA];
if (Option != NULL) {
Option = PxeBcParseDhcp6Options (
Option->Data + 12,
NTOHS (Option->OpLen),
- PXEBC_DHCP6_OPT_STATUS_CODE
+ DHCP6_OPT_STATUS_CODE
);
- if ((Option != NULL && Option->Data[0] == 0) || (Option == NULL)) {
+ if (((Option != NULL) && (Option->Data[0] == 0)) || (Option == NULL)) {
IsProxyOffer = FALSE;
}
}
@@ -508,12 +696,13 @@ PxeBcParseDhcp6Packet (
// The offer with "PXEClient" is a pxe offer.
//
Option = Options[PXEBC_DHCP6_IDX_VENDOR_CLASS];
- EnterpriseNum = HTONL(PXEBC_DHCP6_ENTERPRISE_NUM);
+ EnterpriseNum = HTONL (PXEBC_DHCP6_ENTERPRISE_NUM);
- if (Option != NULL &&
- NTOHS(Option->OpLen) >= 13 &&
- CompareMem (Option->Data, &EnterpriseNum, sizeof (UINT32)) == 0 &&
- CompareMem (&Option->Data[6], DEFAULT_CLASS_ID_DATA, 9) == 0) {
+ if ((Option != NULL) &&
+ (NTOHS (Option->OpLen) >= 13) &&
+ (CompareMem (Option->Data, &EnterpriseNum, sizeof (UINT32)) == 0) &&
+ (CompareMem (&Option->Data[6], DEFAULT_CLASS_ID_DATA, 9) == 0))
+ {
IsPxeOffer = TRUE;
}
@@ -537,7 +726,6 @@ PxeBcParseDhcp6Packet (
return EFI_SUCCESS;
}
-
/**
Cache the DHCPv6 ack packet, and parse it on demand.
@@ -545,19 +733,26 @@ PxeBcParseDhcp6Packet (
@param[in] Ack The pointer to the DHCPv6 ack packet.
@param[in] Verified If TRUE, parse the ACK packet and store info into mode data.
+ @retval EFI_SUCCESS Cache and parse the packet successfully.
+ @retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough to hold the packet.
+
**/
-VOID
+EFI_STATUS
PxeBcCopyDhcp6Ack (
- IN PXEBC_PRIVATE_DATA *Private,
- IN EFI_DHCP6_PACKET *Ack,
- IN BOOLEAN Verified
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN EFI_DHCP6_PACKET *Ack,
+ IN BOOLEAN Verified
)
{
EFI_PXE_BASE_CODE_MODE *Mode;
+ EFI_STATUS Status;
Mode = Private->PxeBc.Mode;
- PxeBcCacheDhcp6Packet (&Private->DhcpAck.Dhcp6.Packet.Ack, Ack);
+ Status = PxeBcCacheDhcp6Packet (&Private->DhcpAck.Dhcp6.Packet.Ack, Ack);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
if (Verified) {
//
@@ -567,8 +762,9 @@ PxeBcCopyDhcp6Ack (
CopyMem (&Mode->DhcpAck.Dhcpv6, &Ack->Dhcp6, Ack->Length);
Mode->DhcpAckReceived = TRUE;
}
-}
+ return EFI_SUCCESS;
+}
/**
Cache the DHCPv6 proxy offer packet according to the received order.
@@ -576,15 +772,19 @@ PxeBcCopyDhcp6Ack (
@param[in] Private The pointer to PxeBc private data.
@param[in] OfferIndex The received order of offer packets.
+ @retval EFI_SUCCESS Cache and parse the packet successfully.
+ @retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough to hold the packet.
+
**/
-VOID
+EFI_STATUS
PxeBcCopyDhcp6Proxy (
- IN PXEBC_PRIVATE_DATA *Private,
- IN UINT32 OfferIndex
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN UINT32 OfferIndex
)
{
- EFI_PXE_BASE_CODE_MODE *Mode;
- EFI_DHCP6_PACKET *Offer;
+ EFI_PXE_BASE_CODE_MODE *Mode;
+ EFI_DHCP6_PACKET *Offer;
+ EFI_STATUS Status;
ASSERT (OfferIndex < Private->OfferNum);
ASSERT (OfferIndex < PXEBC_OFFER_MAX_NUM);
@@ -595,7 +795,11 @@ PxeBcCopyDhcp6Proxy (
//
// Cache the proxy offer packet and parse it.
//
- PxeBcCacheDhcp6Packet (&Private->ProxyOffer.Dhcp6.Packet.Offer, Offer);
+ Status = PxeBcCacheDhcp6Packet (&Private->ProxyOffer.Dhcp6.Packet.Offer, Offer);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
PxeBcParseDhcp6Packet (&Private->ProxyOffer.Dhcp6);
//
@@ -603,6 +807,8 @@ PxeBcCopyDhcp6Proxy (
//
CopyMem (&Mode->ProxyOffer.Dhcpv6, &Offer->Dhcp6, Offer->Length);
Mode->ProxyOfferReceived = TRUE;
+
+ return EFI_SUCCESS;
}
/**
@@ -618,33 +824,33 @@ PxeBcCopyDhcp6Proxy (
**/
UINT8 *
PxeBcDhcp6SeekOption (
- IN UINT8 *Buf,
- IN UINT32 SeekLen,
- IN UINT16 OptType
+ IN UINT8 *Buf,
+ IN UINT32 SeekLen,
+ IN UINT16 OptType
)
{
- UINT8 *Cursor;
- UINT8 *Option;
- UINT16 DataLen;
- UINT16 OpCode;
+ UINT8 *Cursor;
+ UINT8 *Option;
+ UINT16 DataLen;
+ UINT16 OpCode;
Option = NULL;
Cursor = Buf;
while (Cursor < Buf + SeekLen) {
- OpCode = ReadUnaligned16 ((UINT16 *) Cursor);
+ OpCode = ReadUnaligned16 ((UINT16 *)Cursor);
if (OpCode == HTONS (OptType)) {
Option = Cursor;
break;
}
- DataLen = NTOHS (ReadUnaligned16 ((UINT16 *) (Cursor + 2)));
+
+ DataLen = NTOHS (ReadUnaligned16 ((UINT16 *)(Cursor + 2)));
Cursor += (DataLen + 4);
}
return Option;
}
-
/**
Build and send out the request packet for the bootfile, and parse the reply.
@@ -659,34 +865,34 @@ PxeBcDhcp6SeekOption (
**/
EFI_STATUS
PxeBcRequestBootService (
- IN PXEBC_PRIVATE_DATA *Private,
- IN UINT32 Index
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN UINT32 Index
)
{
- EFI_PXE_BASE_CODE_UDP_PORT SrcPort;
- EFI_PXE_BASE_CODE_UDP_PORT DestPort;
- EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
- EFI_PXE_BASE_CODE_DHCPV6_PACKET *Discover;
- UINTN DiscoverLen;
- EFI_DHCP6_PACKET *Request;
- UINTN RequestLen;
- EFI_DHCP6_PACKET *Reply;
- UINT8 *RequestOpt;
- UINT8 *DiscoverOpt;
- UINTN ReadSize;
- UINT16 OpFlags;
- UINT16 OpCode;
- UINT16 OpLen;
- EFI_STATUS Status;
- EFI_DHCP6_PACKET *ProxyOffer;
- UINT8 *Option;
-
- PxeBc = &Private->PxeBc;
- Request = Private->Dhcp6Request;
- ProxyOffer = &Private->OfferBuffer[Index].Dhcp6.Packet.Offer;
- SrcPort = PXEBC_BS_DISCOVER_PORT;
- DestPort = PXEBC_BS_DISCOVER_PORT;
- OpFlags = 0;
+ EFI_PXE_BASE_CODE_UDP_PORT SrcPort;
+ EFI_PXE_BASE_CODE_UDP_PORT DestPort;
+ EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
+ EFI_PXE_BASE_CODE_DHCPV6_PACKET *Discover;
+ UINTN DiscoverLen;
+ EFI_DHCP6_PACKET *Request;
+ UINTN RequestLen;
+ EFI_DHCP6_PACKET *Reply;
+ UINT8 *RequestOpt;
+ UINT8 *DiscoverOpt;
+ UINTN ReadSize;
+ UINT16 OpFlags;
+ UINT16 OpCode;
+ UINT16 OpLen;
+ EFI_STATUS Status;
+ EFI_DHCP6_PACKET *IndexOffer;
+ UINT8 *Option;
+
+ PxeBc = &Private->PxeBc;
+ Request = Private->Dhcp6Request;
+ IndexOffer = &Private->OfferBuffer[Index].Dhcp6.Packet.Offer;
+ SrcPort = PXEBC_BS_DISCOVER_PORT;
+ DestPort = PXEBC_BS_DISCOVER_PORT;
+ OpFlags = 0;
if (Request == NULL) {
return EFI_DEVICE_ERROR;
@@ -700,7 +906,7 @@ PxeBcRequestBootService (
//
// Build the request packet by the cached request packet before.
//
- Discover->TransactionId = ProxyOffer->Dhcp6.Header.TransactionId;
+ Discover->TransactionId = IndexOffer->Dhcp6.Header.TransactionId;
Discover->MessageType = Request->Dhcp6.Header.MessageType;
RequestOpt = Request->Dhcp6.Option;
DiscoverOpt = Discover->DhcpOptions;
@@ -710,30 +916,33 @@ PxeBcRequestBootService (
//
// Find Server ID Option from ProxyOffer.
//
- Option = PxeBcDhcp6SeekOption (
- ProxyOffer->Dhcp6.Option,
- ProxyOffer->Length - 4,
- PXEBC_DHCP6_OPT_SERVER_ID
- );
- if (Option == NULL) {
- return EFI_NOT_FOUND;
+ if (Private->OfferBuffer[Index].Dhcp6.OfferType == PxeOfferTypeProxyBinl) {
+ Option = PxeBcDhcp6SeekOption (
+ IndexOffer->Dhcp6.Option,
+ IndexOffer->Length - 4,
+ DHCP6_OPT_SERVER_ID
+ );
+ if (Option == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Add Server ID Option.
+ //
+ OpLen = NTOHS (((EFI_DHCP6_PACKET_OPTION *)Option)->OpLen);
+ CopyMem (DiscoverOpt, Option, OpLen + 4);
+ DiscoverOpt += (OpLen + 4);
+ DiscoverLen += (OpLen + 4);
}
-
- //
- // Add Server ID Option.
- //
- OpLen = NTOHS (((EFI_DHCP6_PACKET_OPTION *) Option)->OpLen);
- CopyMem (DiscoverOpt, Option, OpLen + 4);
- DiscoverOpt += (OpLen + 4);
- DiscoverLen += (OpLen + 4);
while (RequestLen < Request->Length) {
- OpCode = NTOHS (((EFI_DHCP6_PACKET_OPTION *) RequestOpt)->OpCode);
- OpLen = NTOHS (((EFI_DHCP6_PACKET_OPTION *) RequestOpt)->OpLen);
- if (OpCode != EFI_DHCP6_IA_TYPE_NA &&
- OpCode != EFI_DHCP6_IA_TYPE_TA &&
- OpCode != PXEBC_DHCP6_OPT_SERVER_ID
- ) {
+ OpCode = NTOHS (((EFI_DHCP6_PACKET_OPTION *)RequestOpt)->OpCode);
+ OpLen = NTOHS (((EFI_DHCP6_PACKET_OPTION *)RequestOpt)->OpLen);
+ if ((OpCode != EFI_DHCP6_IA_TYPE_NA) &&
+ (OpCode != EFI_DHCP6_IA_TYPE_TA) &&
+ (OpCode != DHCP6_OPT_SERVER_ID)
+ )
+ {
//
// Copy all the options except IA option and Server ID
//
@@ -741,22 +950,23 @@ PxeBcRequestBootService (
DiscoverOpt += (OpLen + 4);
DiscoverLen += (OpLen + 4);
}
+
RequestOpt += (OpLen + 4);
RequestLen += (OpLen + 4);
}
//
- // Update Elapsed option in the package
+ // Update Elapsed option in the package
//
Option = PxeBcDhcp6SeekOption (
Discover->DhcpOptions,
(UINT32)(RequestLen - 4),
- PXEBC_DHCP6_OPT_ELAPSED_TIME
+ DHCP6_OPT_ELAPSED_TIME
);
if (Option != NULL) {
CalcElapsedTime (Private);
- WriteUnaligned16 ((UINT16*)(Option + 4), HTONS((UINT16) Private->ElapsedTime));
- }
+ WriteUnaligned16 ((UINT16 *)(Option + 4), HTONS ((UINT16)Private->ElapsedTime));
+ }
Status = PxeBc->UdpWrite (
PxeBc,
@@ -769,39 +979,39 @@ PxeBcRequestBootService (
NULL,
NULL,
&DiscoverLen,
- (VOID *) Discover
+ (VOID *)Discover
);
if (EFI_ERROR (Status)) {
- return Status;
+ goto ON_ERROR;
}
//
// Cache the right PXE reply packet here, set valid flag later.
// Especially for PXE discover packet, store it into mode data here.
//
- Reply = &Private->ProxyOffer.Dhcp6.Packet.Offer;
- ReadSize = (UINTN) Reply->Size;
+ Reply = &Private->ProxyOffer.Dhcp6.Packet.Offer;
+ ReadSize = (UINTN)Reply->Size;
//
// Start Udp6Read instance
//
Status = Private->Udp6Read->Configure (Private->Udp6Read, &Private->Udp6CfgData);
if (EFI_ERROR (Status)) {
- return Status;
+ goto ON_ERROR;
}
-
+
Status = PxeBc->UdpRead (
PxeBc,
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP,
- &Private->StationIp,
+ EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP,
+ NULL,
&SrcPort,
&Private->ServerIp,
&DestPort,
NULL,
NULL,
&ReadSize,
- (VOID *) &Reply->Dhcp6
+ (VOID *)&Reply->Dhcp6
);
//
// Stop Udp6Read instance
@@ -809,17 +1019,23 @@ PxeBcRequestBootService (
Private->Udp6Read->Configure (Private->Udp6Read, NULL);
if (EFI_ERROR (Status)) {
- return Status;
+ goto ON_ERROR;
}
//
// Update length
//
- Reply->Length = (UINT32) ReadSize;
+ Reply->Length = (UINT32)ReadSize;
return EFI_SUCCESS;
-}
+ON_ERROR:
+ if (Discover != NULL) {
+ FreePool (Discover);
+ }
+
+ return Status;
+}
/**
Retry to request bootfile name by the BINL offer.
@@ -843,13 +1059,15 @@ PxeBcRetryDhcp6Binl (
EFI_STATUS Status;
ASSERT (Index < PXEBC_OFFER_MAX_NUM);
- ASSERT (Private->OfferBuffer[Index].Dhcp6.OfferType == PxeOfferTypeDhcpBinl ||
- Private->OfferBuffer[Index].Dhcp6.OfferType == PxeOfferTypeProxyBinl);
+ ASSERT (
+ Private->OfferBuffer[Index].Dhcp6.OfferType == PxeOfferTypeDhcpBinl ||
+ Private->OfferBuffer[Index].Dhcp6.OfferType == PxeOfferTypeProxyBinl
+ );
Mode = Private->PxeBc.Mode;
Private->IsDoDiscover = FALSE;
Offer = &Private->OfferBuffer[Index].Dhcp6;
- if (Offer->OfferType == PxeOfferTypeDhcpBinl) {
+ if (Offer->OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL] == NULL) {
//
// There is no BootFileUrl option in dhcp6 offer, so use servers multi-cast address instead.
//
@@ -864,9 +1082,10 @@ PxeBcRetryDhcp6Binl (
// Parse out the next server address from the last offer, and store it
//
Status = PxeBcExtractBootFileUrl (
+ Private,
&Private->BootFileName,
&Private->ServerIp.v6,
- (CHAR8 *) (Offer->OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL]->Data),
+ (CHAR8 *)(Offer->OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL]->Data),
NTOHS (Offer->OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL]->OpLen)
);
if (EFI_ERROR (Status)) {
@@ -889,9 +1108,10 @@ PxeBcRetryDhcp6Binl (
return Status;
}
- if (Cache6->OfferType != PxeOfferTypeProxyPxe10 &&
- Cache6->OfferType != PxeOfferTypeProxyWfm11a &&
- Cache6->OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL] == NULL) {
+ if ((Cache6->OfferType != PxeOfferTypeProxyPxe10) &&
+ (Cache6->OfferType != PxeOfferTypeProxyWfm11a) &&
+ (Cache6->OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL] == NULL))
+ {
//
// This BINL ack doesn't have discovery option set or multicast option set
// or bootfile name specified.
@@ -909,23 +1129,25 @@ PxeBcRetryDhcp6Binl (
return EFI_SUCCESS;
}
-
/**
Cache all the received DHCPv6 offers, and set OfferIndex and OfferCount.
@param[in] Private The pointer to PXEBC_PRIVATE_DATA.
@param[in] RcvdOffer The pointer to the received offer packet.
+ @retval EFI_SUCCESS Cache and parse the packet successfully.
+ @retval Others Operation failed.
**/
-VOID
+EFI_STATUS
PxeBcCacheDhcp6Offer (
- IN PXEBC_PRIVATE_DATA *Private,
- IN EFI_DHCP6_PACKET *RcvdOffer
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN EFI_DHCP6_PACKET *RcvdOffer
)
{
PXEBC_DHCP6_PACKET_CACHE *Cache6;
EFI_DHCP6_PACKET *Offer;
PXEBC_OFFER_TYPE OfferType;
+ EFI_STATUS Status;
Cache6 = &Private->OfferBuffer[Private->OfferNum].Dhcp6;
Offer = &Cache6->Packet.Offer;
@@ -933,13 +1155,16 @@ PxeBcCacheDhcp6Offer (
//
// Cache the content of DHCPv6 packet firstly.
//
- PxeBcCacheDhcp6Packet (Offer, RcvdOffer);
+ Status = PxeBcCacheDhcp6Packet (Offer, RcvdOffer);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
//
// Validate the DHCPv6 packet, and parse the options and offer type.
//
if (EFI_ERROR (PxeBcParseDhcp6Packet (Cache6))) {
- return ;
+ return EFI_ABORTED;
}
//
@@ -961,14 +1186,16 @@ PxeBcCacheDhcp6Offer (
//
Private->OfferIndex[OfferType][Private->OfferCount[OfferType]] = Private->OfferNum;
Private->OfferCount[OfferType]++;
- } else if (Private->OfferCount[OfferType] > 0) {
+ } else if (((OfferType == PxeOfferTypeProxyPxe10) || (OfferType == PxeOfferTypeProxyWfm11a)) &&
+ (Private->OfferCount[OfferType] < 1))
+ {
//
// Only cache the first PXE10/WFM11a offer, and discard the others.
//
Private->OfferIndex[OfferType][0] = Private->OfferNum;
Private->OfferCount[OfferType] = 1;
} else {
- return;
+ return EFI_ABORTED;
}
} else {
//
@@ -979,8 +1206,9 @@ PxeBcCacheDhcp6Offer (
}
Private->OfferNum++;
-}
+ return EFI_SUCCESS;
+}
/**
Select an DHCPv6 offer, and record SelectIndex and SelectProxyType.
@@ -990,12 +1218,12 @@ PxeBcCacheDhcp6Offer (
**/
VOID
PxeBcSelectDhcp6Offer (
- IN PXEBC_PRIVATE_DATA *Private
+ IN PXEBC_PRIVATE_DATA *Private
)
{
- UINT32 Index;
- UINT32 OfferIndex;
- PXEBC_OFFER_TYPE OfferType;
+ UINT32 Index;
+ UINT32 OfferIndex;
+ PXEBC_OFFER_TYPE OfferType;
Private->SelectIndex = 0;
@@ -1008,43 +1236,40 @@ PxeBcSelectDhcp6Offer (
// 1. DhcpPxe10 offer
//
Private->SelectIndex = Private->OfferIndex[PxeOfferTypeDhcpPxe10][0] + 1;
-
} else if (Private->OfferCount[PxeOfferTypeDhcpWfm11a] > 0) {
//
// 2. DhcpWfm11a offer
//
Private->SelectIndex = Private->OfferIndex[PxeOfferTypeDhcpWfm11a][0] + 1;
-
- } else if (Private->OfferCount[PxeOfferTypeDhcpOnly] > 0 &&
- Private->OfferCount[PxeOfferTypeProxyPxe10] > 0) {
+ } else if ((Private->OfferCount[PxeOfferTypeDhcpOnly] > 0) &&
+ (Private->OfferCount[PxeOfferTypeProxyPxe10] > 0))
+ {
//
// 3. DhcpOnly offer and ProxyPxe10 offer.
//
Private->SelectIndex = Private->OfferIndex[PxeOfferTypeDhcpOnly][0] + 1;
Private->SelectProxyType = PxeOfferTypeProxyPxe10;
-
- } else if (Private->OfferCount[PxeOfferTypeDhcpOnly] > 0 &&
- Private->OfferCount[PxeOfferTypeProxyWfm11a] > 0) {
+ } else if ((Private->OfferCount[PxeOfferTypeDhcpOnly] > 0) &&
+ (Private->OfferCount[PxeOfferTypeProxyWfm11a] > 0))
+ {
//
// 4. DhcpOnly offer and ProxyWfm11a offer.
//
Private->SelectIndex = Private->OfferIndex[PxeOfferTypeDhcpOnly][0] + 1;
Private->SelectProxyType = PxeOfferTypeProxyWfm11a;
-
} else if (Private->OfferCount[PxeOfferTypeDhcpBinl] > 0) {
//
// 5. DhcpBinl offer.
//
Private->SelectIndex = Private->OfferIndex[PxeOfferTypeDhcpBinl][0] + 1;
-
- } else if (Private->OfferCount[PxeOfferTypeDhcpOnly] > 0 &&
- Private->OfferCount[PxeOfferTypeProxyBinl] > 0) {
+ } else if ((Private->OfferCount[PxeOfferTypeDhcpOnly] > 0) &&
+ (Private->OfferCount[PxeOfferTypeProxyBinl] > 0))
+ {
//
// 6. DhcpOnly offer and ProxyBinl offer.
//
Private->SelectIndex = Private->OfferIndex[PxeOfferTypeDhcpOnly][0] + 1;
Private->SelectProxyType = PxeOfferTypeProxyBinl;
-
} else {
//
// 7. DhcpOnly offer with bootfilename.
@@ -1062,7 +1287,6 @@ PxeBcSelectDhcp6Offer (
// Select offer by received order.
//
for (Index = 0; Index < Private->OfferNum; Index++) {
-
OfferType = Private->OfferBuffer[Index].Dhcp6.OfferType;
if (IS_PROXY_OFFER (OfferType)) {
@@ -1073,8 +1297,9 @@ PxeBcSelectDhcp6Offer (
}
if (!Private->IsProxyRecved &&
- OfferType == PxeOfferTypeDhcpOnly &&
- Private->OfferBuffer[Index].Dhcp6.OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL] == NULL) {
+ (OfferType == PxeOfferTypeDhcpOnly) &&
+ (Private->OfferBuffer[Index].Dhcp6.OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL] == NULL))
+ {
//
// Skip if DhcpOnly offer without any other proxy offers or bootfilename.
//
@@ -1087,33 +1312,46 @@ PxeBcSelectDhcp6Offer (
}
}
-
/**
Handle the DHCPv6 offer packet.
@param[in] Private The pointer to PXEBC_PRIVATE_DATA.
- @retval EFI_SUCCESS Handled the DHCPv6 offer packet successfully.
- @retval EFI_NO_RESPONSE No response to the following request packet.
+ @retval EFI_SUCCESS Handled the DHCPv6 offer packet successfully.
+ @retval EFI_NO_RESPONSE No response to the following request packet.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
+ @retval EFI_BUFFER_TOO_SMALL Can't cache the offer pacet.
**/
EFI_STATUS
PxeBcHandleDhcp6Offer (
- IN PXEBC_PRIVATE_DATA *Private
+ IN PXEBC_PRIVATE_DATA *Private
)
{
- PXEBC_DHCP6_PACKET_CACHE *Cache6;
- EFI_STATUS Status;
- PXEBC_OFFER_TYPE OfferType;
- UINT32 ProxyIndex;
- UINT32 SelectIndex;
- UINT32 Index;
+ PXEBC_DHCP6_PACKET_CACHE *Cache6;
+ EFI_STATUS Status;
+ PXEBC_OFFER_TYPE OfferType;
+ UINT32 ProxyIndex;
+ UINT32 SelectIndex;
+ UINT32 Index;
ASSERT (Private->SelectIndex > 0);
- SelectIndex = (UINT32) (Private->SelectIndex - 1);
+ SelectIndex = (UINT32)(Private->SelectIndex - 1);
ASSERT (SelectIndex < PXEBC_OFFER_MAX_NUM);
- Cache6 = &Private->OfferBuffer[SelectIndex].Dhcp6;
- Status = EFI_SUCCESS;
+ Cache6 = &Private->OfferBuffer[SelectIndex].Dhcp6;
+ Status = EFI_SUCCESS;
+
+ //
+ // First try to cache DNS server address if DHCP6 offer provides.
+ //
+ if (Cache6->OptList[PXEBC_DHCP6_IDX_DNS_SERVER] != NULL) {
+ Private->DnsServer = AllocateZeroPool (NTOHS (Cache6->OptList[PXEBC_DHCP6_IDX_DNS_SERVER]->OpLen));
+ if (Private->DnsServer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ CopyMem (Private->DnsServer, Cache6->OptList[PXEBC_DHCP6_IDX_DNS_SERVER]->Data, sizeof (EFI_IPv6_ADDRESS));
+ }
if (Cache6->OfferType == PxeOfferTypeDhcpBinl) {
//
@@ -1123,7 +1361,6 @@ PxeBcHandleDhcp6Offer (
Status = EFI_NO_RESPONSE;
}
} else if (Cache6->OfferType == PxeOfferTypeDhcpOnly) {
-
if (Private->IsProxyRecved) {
//
// DhcpOnly offer is selected, so need try to request bootfilename.
@@ -1141,12 +1378,12 @@ PxeBcHandleDhcp6Offer (
// Try all the cached ProxyBinl offer one by one to request bootfilename.
//
for (Index = 0; Index < Private->OfferCount[Private->SelectProxyType]; Index++) {
-
ProxyIndex = Private->OfferIndex[Private->SelectProxyType][Index];
if (!EFI_ERROR (PxeBcRetryDhcp6Binl (Private, ProxyIndex))) {
break;
}
}
+
if (Index == Private->OfferCount[Private->SelectProxyType]) {
Status = EFI_NO_RESPONSE;
}
@@ -1163,7 +1400,6 @@ PxeBcHandleDhcp6Offer (
Status = EFI_NO_RESPONSE;
for (Index = 0; Index < Private->OfferNum; Index++) {
-
OfferType = Private->OfferBuffer[Index].Dhcp6.OfferType;
if (!IS_PROXY_OFFER (OfferType)) {
@@ -1189,15 +1425,15 @@ PxeBcHandleDhcp6Offer (
}
}
- if (!EFI_ERROR (Status) && Private->SelectProxyType != PxeOfferTypeProxyBinl) {
+ if (!EFI_ERROR (Status) && (Private->SelectProxyType != PxeOfferTypeProxyBinl)) {
//
// Success to try to request by a ProxyPxe10 or ProxyWfm11a offer, copy and parse it.
//
- PxeBcCopyDhcp6Proxy (Private, ProxyIndex);
+ Status = PxeBcCopyDhcp6Proxy (Private, ProxyIndex);
}
} else {
//
- // Othewise, the bootfilename must be included in DhcpOnly offer.
+ // Otherwise, the bootfilename must be included in DhcpOnly offer.
//
ASSERT (Cache6->OptList[PXEBC_DHCP6_IDX_BOOT_FILE_URL] != NULL);
}
@@ -1207,14 +1443,13 @@ PxeBcHandleDhcp6Offer (
//
// All PXE boot information is ready by now.
//
- PxeBcCopyDhcp6Ack (Private, &Private->DhcpAck.Dhcp6.Packet.Ack, TRUE);
+ Status = PxeBcCopyDhcp6Ack (Private, &Private->DhcpAck.Dhcp6.Packet.Ack, TRUE);
Private->PxeBc.Mode->DhcpDiscoverValid = TRUE;
}
return Status;
}
-
/**
Unregister the address by Ip6Config protocol.
@@ -1223,7 +1458,7 @@ PxeBcHandleDhcp6Offer (
**/
VOID
PxeBcUnregisterIp6Address (
- IN PXEBC_PRIVATE_DATA *Private
+ IN PXEBC_PRIVATE_DATA *Private
)
{
if (Private->Ip6Policy != PXEBC_IP6_POLICY_MAX) {
@@ -1236,7 +1471,7 @@ PxeBcUnregisterIp6Address (
/**
Check whether IP driver could route the message which will be sent to ServerIp address.
-
+
This function will check the IP6 route table every 1 seconds until specified timeout is expired, if a valid
route is found in IP6 route table, the address will be filed in GatewayAddr and return.
@@ -1246,23 +1481,23 @@ PxeBcUnregisterIp6Address (
@retval EFI_SUCCESS Found a valid gateway address successfully.
@retval EFI_TIMEOUT The operation is time out.
- @retval Other Unexpect error happened.
-
+ @retval Other Unexpected error happened.
+
**/
EFI_STATUS
PxeBcCheckRouteTable (
- IN PXEBC_PRIVATE_DATA *Private,
- IN UINTN TimeOutInSecond,
- OUT EFI_IPv6_ADDRESS *GatewayAddr
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN UINTN TimeOutInSecond,
+ OUT EFI_IPv6_ADDRESS *GatewayAddr
)
{
- EFI_STATUS Status;
- EFI_IP6_PROTOCOL *Ip6;
- EFI_IP6_MODE_DATA Ip6ModeData;
- UINTN Index;
- EFI_EVENT TimeOutEvt;
- UINTN RetryCount;
- BOOLEAN GatewayIsFound;
+ EFI_STATUS Status;
+ EFI_IP6_PROTOCOL *Ip6;
+ EFI_IP6_MODE_DATA Ip6ModeData;
+ UINTN Index;
+ EFI_EVENT TimeOutEvt;
+ UINTN RetryCount;
+ BOOLEAN GatewayIsFound;
ASSERT (GatewayAddr != NULL);
ASSERT (Private != NULL);
@@ -1293,28 +1528,33 @@ PxeBcCheckRouteTable (
if (Ip6ModeData.AddressList != NULL) {
FreePool (Ip6ModeData.AddressList);
}
+
if (Ip6ModeData.GroupTable != NULL) {
FreePool (Ip6ModeData.GroupTable);
}
+
if (Ip6ModeData.RouteTable != NULL) {
FreePool (Ip6ModeData.RouteTable);
}
+
if (Ip6ModeData.NeighborCache != NULL) {
FreePool (Ip6ModeData.NeighborCache);
}
+
if (Ip6ModeData.PrefixTable != NULL) {
FreePool (Ip6ModeData.PrefixTable);
}
+
if (Ip6ModeData.IcmpTypeList != NULL) {
FreePool (Ip6ModeData.IcmpTypeList);
}
-
- if (GatewayIsFound || RetryCount == TimeOutInSecond) {
+
+ if (GatewayIsFound || (RetryCount == TimeOutInSecond)) {
break;
}
-
+
RetryCount++;
-
+
//
// Delay 1 second then recheck it again.
//
@@ -1335,23 +1575,24 @@ PxeBcCheckRouteTable (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
+
while (EFI_ERROR (gBS->CheckEvent (TimeOutEvt))) {
Ip6->Poll (Ip6);
}
}
-
+
ON_EXIT:
if (TimeOutEvt != NULL) {
gBS->CloseEvent (TimeOutEvt);
}
-
+
if (GatewayIsFound) {
Status = EFI_SUCCESS;
} else if (RetryCount == TimeOutInSecond) {
Status = EFI_TIMEOUT;
}
- return Status;
+ return Status;
}
/**
@@ -1360,36 +1601,35 @@ ON_EXIT:
@param[in] Private The pointer to PXEBC_PRIVATE_DATA.
@param[in] Address The pointer to the ready address.
- @retval EFI_SUCCESS Registered the address succesfully.
+ @retval EFI_SUCCESS Registered the address successfully.
@retval Others Failed to register the address.
**/
EFI_STATUS
PxeBcRegisterIp6Address (
- IN PXEBC_PRIVATE_DATA *Private,
- IN EFI_IPv6_ADDRESS *Address
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN EFI_IPv6_ADDRESS *Address
)
{
- EFI_IP6_PROTOCOL *Ip6;
- EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
- EFI_IP6_CONFIG_POLICY Policy;
- EFI_IP6_CONFIG_MANUAL_ADDRESS CfgAddr;
- EFI_IPv6_ADDRESS GatewayAddr;
- UINTN DataSize;
- EFI_EVENT TimeOutEvt;
- EFI_EVENT MappedEvt;
- EFI_STATUS Status;
- UINT64 DadTriggerTime;
- EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS DadXmits;
- BOOLEAN NoGateway;
-
- Status = EFI_SUCCESS;
- TimeOutEvt = NULL;
- MappedEvt = NULL;
- DataSize = sizeof (EFI_IP6_CONFIG_POLICY);
- Ip6Cfg = Private->Ip6Cfg;
- Ip6 = Private->Ip6;
- NoGateway = FALSE;
+ EFI_IP6_PROTOCOL *Ip6;
+ EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
+ EFI_IP6_CONFIG_POLICY Policy;
+ EFI_IP6_CONFIG_MANUAL_ADDRESS CfgAddr;
+ EFI_IPv6_ADDRESS GatewayAddr;
+ UINTN DataSize;
+ EFI_EVENT MappedEvt;
+ EFI_STATUS Status;
+ BOOLEAN NoGateway;
+ EFI_IPv6_ADDRESS *Ip6Addr;
+ UINTN Index;
+
+ Status = EFI_SUCCESS;
+ MappedEvt = NULL;
+ Ip6Addr = NULL;
+ DataSize = sizeof (EFI_IP6_CONFIG_POLICY);
+ Ip6Cfg = Private->Ip6Cfg;
+ Ip6 = Private->Ip6;
+ NoGateway = FALSE;
ZeroMem (&CfgAddr, sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));
CopyMem (&CfgAddr.Address, Address, sizeof (EFI_IPv6_ADDRESS));
@@ -1406,7 +1646,7 @@ PxeBcRegisterIp6Address (
if (EFI_ERROR (Status)) {
NoGateway = TRUE;
}
-
+
//
// There is no channel between IP6 and PXE driver about address setting,
// so it has to set the new address by Ip6ConfigProtocol manually.
@@ -1415,7 +1655,7 @@ PxeBcRegisterIp6Address (
Status = Ip6Cfg->SetData (
Ip6Cfg,
Ip6ConfigDataTypePolicy,
- sizeof(EFI_IP6_CONFIG_POLICY),
+ sizeof (EFI_IP6_CONFIG_POLICY),
&Policy
);
if (EFI_ERROR (Status)) {
@@ -1426,34 +1666,6 @@ PxeBcRegisterIp6Address (
goto ON_EXIT;
}
- //
- // Get Duplicate Address Detection Transmits count.
- //
- DataSize = sizeof (EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS);
- Status = Ip6Cfg->GetData (
- Ip6Cfg,
- Ip6ConfigDataTypeDupAddrDetectTransmits,
- &DataSize,
- &DadXmits
- );
- if (EFI_ERROR (Status)) {
- goto ON_EXIT;
- }
-
- //
- // Create a timer as setting address timeout event since DAD in IP6 driver.
- //
- Status = gBS->CreateEvent (
- EVT_TIMER,
- TPL_CALLBACK,
- NULL,
- NULL,
- &TimeOutEvt
- );
- if (EFI_ERROR (Status)) {
- goto ON_EXIT;
- }
-
//
// Create a notify event to set address flag when DAD if IP6 driver succeeded.
//
@@ -1468,37 +1680,72 @@ PxeBcRegisterIp6Address (
goto ON_EXIT;
}
- Status = Ip6Cfg->RegisterDataNotify (
- Ip6Cfg,
- Ip6ConfigDataTypeManualAddress,
- MappedEvt
- );
- if (EFI_ERROR(Status)) {
+ Private->IsAddressOk = FALSE;
+ Status = Ip6Cfg->RegisterDataNotify (
+ Ip6Cfg,
+ Ip6ConfigDataTypeManualAddress,
+ MappedEvt
+ );
+ if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
Status = Ip6Cfg->SetData (
Ip6Cfg,
Ip6ConfigDataTypeManualAddress,
- sizeof(EFI_IP6_CONFIG_MANUAL_ADDRESS),
+ sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS),
&CfgAddr
);
- if (EFI_ERROR(Status) && Status != EFI_NOT_READY) {
+ if (EFI_ERROR (Status) && (Status != EFI_NOT_READY)) {
goto ON_EXIT;
- }
+ } else if (Status == EFI_NOT_READY) {
+ //
+ // Poll the network until the asynchronous process is finished.
+ //
+ while (!Private->IsAddressOk) {
+ Ip6->Poll (Ip6);
+ }
- //
- // Start the 5 secondes timer to wait for setting address.
- //
- Status = EFI_NO_MAPPING;
- DadTriggerTime = TICKS_PER_SECOND * DadXmits.DupAddrDetectTransmits + PXEBC_DAD_ADDITIONAL_DELAY;
- gBS->SetTimer (TimeOutEvt, TimerRelative, DadTriggerTime);
+ //
+ // Check whether the IP6 address setting is successed.
+ //
+ DataSize = 0;
+ Status = Ip6Cfg->GetData (
+ Ip6Cfg,
+ Ip6ConfigDataTypeManualAddress,
+ &DataSize,
+ NULL
+ );
+ if ((Status != EFI_BUFFER_TOO_SMALL) || (DataSize == 0)) {
+ Status = EFI_DEVICE_ERROR;
+ goto ON_EXIT;
+ }
- while (EFI_ERROR (gBS->CheckEvent (TimeOutEvt))) {
- Ip6->Poll (Ip6);
- if (Private->IsAddressOk) {
- Status = EFI_SUCCESS;
- break;
+ Ip6Addr = AllocatePool (DataSize);
+ if (Ip6Addr == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Status = Ip6Cfg->GetData (
+ Ip6Cfg,
+ Ip6ConfigDataTypeManualAddress,
+ &DataSize,
+ (VOID *)Ip6Addr
+ );
+ if (EFI_ERROR (Status)) {
+ Status = EFI_DEVICE_ERROR;
+ goto ON_EXIT;
+ }
+
+ for (Index = 0; Index < DataSize / sizeof (EFI_IPv6_ADDRESS); Index++) {
+ if (CompareMem (Ip6Addr + Index, Address, sizeof (EFI_IPv6_ADDRESS)) == 0) {
+ break;
+ }
+ }
+
+ if (Index == DataSize / sizeof (EFI_IPv6_ADDRESS)) {
+ Status = EFI_ABORTED;
+ goto ON_EXIT;
}
}
@@ -1526,9 +1773,11 @@ ON_EXIT:
);
gBS->CloseEvent (MappedEvt);
}
- if (TimeOutEvt != NULL) {
- gBS->CloseEvent (TimeOutEvt);
+
+ if (Ip6Addr != NULL) {
+ FreePool (Ip6Addr);
}
+
return Status;
}
@@ -1537,22 +1786,22 @@ ON_EXIT:
@param[in] Private The pointer to PXEBC_PRIVATE_DATA.
- @retval EFI_SUCCESS Switch the IP policy succesfully.
- @retval Others Unexpect error happened.
+ @retval EFI_SUCCESS Switch the IP policy successfully.
+ @retval Others Unexpected error happened.
**/
EFI_STATUS
PxeBcSetIp6Policy (
- IN PXEBC_PRIVATE_DATA *Private
+ IN PXEBC_PRIVATE_DATA *Private
)
{
- EFI_IP6_CONFIG_POLICY Policy;
- EFI_STATUS Status;
- EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
- UINTN DataSize;
+ EFI_IP6_CONFIG_POLICY Policy;
+ EFI_STATUS Status;
+ EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
+ UINTN DataSize;
- Ip6Cfg = Private->Ip6Cfg;
- DataSize = sizeof (EFI_IP6_CONFIG_POLICY);
+ Ip6Cfg = Private->Ip6Cfg;
+ DataSize = sizeof (EFI_IP6_CONFIG_POLICY);
//
// Get and store the current policy of IP6 driver.
@@ -1572,7 +1821,7 @@ PxeBcSetIp6Policy (
Status = Ip6Cfg->SetData (
Ip6Cfg,
Ip6ConfigDataTypePolicy,
- sizeof(EFI_IP6_CONFIG_POLICY),
+ sizeof (EFI_IP6_CONFIG_POLICY),
&Policy
);
if (EFI_ERROR (Status)) {
@@ -1588,7 +1837,7 @@ PxeBcSetIp6Policy (
/**
This function will register the station IP address and flush IP instance to start using the new IP address.
-
+
@param[in] Private The pointer to PXEBC_PRIVATE_DATA.
@retval EFI_SUCCESS The new IP address has been configured successfully.
@@ -1597,12 +1846,12 @@ PxeBcSetIp6Policy (
**/
EFI_STATUS
PxeBcSetIp6Address (
- IN PXEBC_PRIVATE_DATA *Private
+ IN PXEBC_PRIVATE_DATA *Private
)
{
- EFI_STATUS Status;
- EFI_DHCP6_PROTOCOL *Dhcp6;
-
+ EFI_STATUS Status;
+ EFI_DHCP6_PROTOCOL *Dhcp6;
+
Dhcp6 = Private->Dhcp6;
CopyMem (&Private->StationIp.v6, &Private->TmpStationIp.v6, sizeof (EFI_IPv6_ADDRESS));
@@ -1648,47 +1897,48 @@ PxeBcSetIp6Address (
EFI_STATUS
EFIAPI
PxeBcDhcp6CallBack (
- IN EFI_DHCP6_PROTOCOL *This,
- IN VOID *Context,
- IN EFI_DHCP6_STATE CurrentState,
- IN EFI_DHCP6_EVENT Dhcp6Event,
- IN EFI_DHCP6_PACKET *Packet,
- OUT EFI_DHCP6_PACKET **NewPacket OPTIONAL
+ IN EFI_DHCP6_PROTOCOL *This,
+ IN VOID *Context,
+ IN EFI_DHCP6_STATE CurrentState,
+ IN EFI_DHCP6_EVENT Dhcp6Event,
+ IN EFI_DHCP6_PACKET *Packet,
+ OUT EFI_DHCP6_PACKET **NewPacket OPTIONAL
)
{
- PXEBC_PRIVATE_DATA *Private;
- EFI_PXE_BASE_CODE_MODE *Mode;
- EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *Callback;
- EFI_DHCP6_PACKET *SelectAd;
- EFI_STATUS Status;
- BOOLEAN Received;
+ PXEBC_PRIVATE_DATA *Private;
+ EFI_PXE_BASE_CODE_MODE *Mode;
+ EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *Callback;
+ EFI_DHCP6_PACKET *SelectAd;
+ EFI_STATUS Status;
+ BOOLEAN Received;
if ((Dhcp6Event != Dhcp6RcvdAdvertise) &&
(Dhcp6Event != Dhcp6SelectAdvertise) &&
(Dhcp6Event != Dhcp6SendSolicit) &&
(Dhcp6Event != Dhcp6SendRequest) &&
- (Dhcp6Event != Dhcp6RcvdReply)) {
+ (Dhcp6Event != Dhcp6RcvdReply))
+ {
return EFI_SUCCESS;
}
ASSERT (Packet != NULL);
- Private = (PXEBC_PRIVATE_DATA *) Context;
- Mode = Private->PxeBc.Mode;
- Callback = Private->PxeBcCallback;
+ Private = (PXEBC_PRIVATE_DATA *)Context;
+ Mode = Private->PxeBc.Mode;
+ Callback = Private->PxeBcCallback;
//
- // Callback to user when any traffic ocurred if has.
+ // Callback to user when any traffic occurred if has.
//
- if (Dhcp6Event != Dhcp6SelectAdvertise && Callback != NULL) {
- Received = (BOOLEAN) (Dhcp6Event == Dhcp6RcvdAdvertise || Dhcp6Event == Dhcp6RcvdReply);
- Status = Callback->Callback (
- Callback,
- Private->Function,
- Received,
- Packet->Length,
- (EFI_PXE_BASE_CODE_PACKET *) &Packet->Dhcp6
- );
+ if ((Dhcp6Event != Dhcp6SelectAdvertise) && (Callback != NULL)) {
+ Received = (BOOLEAN)(Dhcp6Event == Dhcp6RcvdAdvertise || Dhcp6Event == Dhcp6RcvdReply);
+ Status = Callback->Callback (
+ Callback,
+ Private->Function,
+ Received,
+ Packet->Length,
+ (EFI_PXE_BASE_CODE_PACKET *)&Packet->Dhcp6
+ );
if (Status != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {
return EFI_ABORTED;
}
@@ -1697,80 +1947,114 @@ PxeBcDhcp6CallBack (
Status = EFI_SUCCESS;
switch (Dhcp6Event) {
+ case Dhcp6SendSolicit:
+ if (Packet->Length > PXEBC_DHCP6_PACKET_MAX_SIZE) {
+ //
+ // If the to be sent packet exceeds the maximum length, abort the DHCP process.
+ //
+ Status = EFI_ABORTED;
+ break;
+ }
- case Dhcp6SendSolicit:
- //
- // Record the first Solicate msg time
- //
- if (Private->SolicitTimes == 0) {
- CalcElapsedTime (Private);
- Private->SolicitTimes++;
- }
- //
- // Cache the dhcp discover packet to mode data directly.
- //
- CopyMem (&Mode->DhcpDiscover.Dhcpv4, &Packet->Dhcp6, Packet->Length);
- break;
+ //
+ // Record the first Solicate msg time
+ //
+ if (Private->SolicitTimes == 0) {
+ CalcElapsedTime (Private);
+ Private->SolicitTimes++;
+ }
- case Dhcp6RcvdAdvertise:
- Status = EFI_NOT_READY;
- if (Private->OfferNum < PXEBC_OFFER_MAX_NUM) {
//
- // Cache the dhcp offers to OfferBuffer[] for select later, and record
- // the OfferIndex and OfferCount.
+ // Cache the dhcp discover packet to mode data directly.
//
- PxeBcCacheDhcp6Offer (Private, Packet);
- }
- break;
+ CopyMem (&Mode->DhcpDiscover.Dhcpv4, &Packet->Dhcp6, Packet->Length);
+ break;
- case Dhcp6SendRequest:
- //
- // Store the request packet as seed packet for discover.
- //
- if (Private->Dhcp6Request != NULL) {
- FreePool (Private->Dhcp6Request);
- }
- Private->Dhcp6Request = AllocateZeroPool (Packet->Size);
- if (Private->Dhcp6Request != NULL) {
- CopyMem (Private->Dhcp6Request, Packet, Packet->Size);
- }
- break;
+ case Dhcp6RcvdAdvertise:
+ Status = EFI_NOT_READY;
+ if (Packet->Length > PXEBC_DHCP6_PACKET_MAX_SIZE) {
+ //
+ // Ignore the incoming packets which exceed the maximum length.
+ //
+ break;
+ }
- case Dhcp6SelectAdvertise:
- //
- // Select offer by the default policy or by order, and record the SelectIndex
- // and SelectProxyType.
- //
- PxeBcSelectDhcp6Offer (Private);
+ if (Private->OfferNum < PXEBC_OFFER_MAX_NUM) {
+ //
+ // Cache the dhcp offers to OfferBuffer[] for select later, and record
+ // the OfferIndex and OfferCount.
+ //
+ PxeBcCacheDhcp6Offer (Private, Packet);
+ }
- if (Private->SelectIndex == 0) {
- Status = EFI_ABORTED;
- } else {
- ASSERT (NewPacket != NULL);
- SelectAd = &Private->OfferBuffer[Private->SelectIndex - 1].Dhcp6.Packet.Offer;
- *NewPacket = AllocateZeroPool (SelectAd->Size);
- ASSERT (*NewPacket != NULL);
- CopyMem (*NewPacket, SelectAd, SelectAd->Size);
- }
- break;
+ break;
- case Dhcp6RcvdReply:
- //
- // Cache the dhcp ack to Private->Dhcp6Ack, but it's not the final ack in mode data
- // without verification.
- //
- ASSERT (Private->SelectIndex != 0);
- PxeBcCopyDhcp6Ack (Private, Packet, FALSE);
- break;
+ case Dhcp6SendRequest:
+ if (Packet->Length > PXEBC_DHCP6_PACKET_MAX_SIZE) {
+ //
+ // If the to be sent packet exceeds the maximum length, abort the DHCP process.
+ //
+ Status = EFI_ABORTED;
+ break;
+ }
- default:
- ASSERT (0);
+ //
+ // Store the request packet as seed packet for discover.
+ //
+ if (Private->Dhcp6Request != NULL) {
+ FreePool (Private->Dhcp6Request);
+ }
+
+ Private->Dhcp6Request = AllocateZeroPool (Packet->Size);
+ if (Private->Dhcp6Request != NULL) {
+ CopyMem (Private->Dhcp6Request, Packet, Packet->Size);
+ }
+
+ break;
+
+ case Dhcp6SelectAdvertise:
+ //
+ // Select offer by the default policy or by order, and record the SelectIndex
+ // and SelectProxyType.
+ //
+ PxeBcSelectDhcp6Offer (Private);
+
+ if (Private->SelectIndex == 0) {
+ Status = EFI_ABORTED;
+ } else {
+ ASSERT (NewPacket != NULL);
+ SelectAd = &Private->OfferBuffer[Private->SelectIndex - 1].Dhcp6.Packet.Offer;
+ *NewPacket = AllocateZeroPool (SelectAd->Size);
+ ASSERT (*NewPacket != NULL);
+ if (*NewPacket == NULL) {
+ return EFI_ABORTED;
+ }
+
+ CopyMem (*NewPacket, SelectAd, SelectAd->Size);
+ }
+
+ break;
+
+ case Dhcp6RcvdReply:
+ //
+ // Cache the dhcp ack to Private->Dhcp6Ack, but it's not the final ack in mode data
+ // without verification.
+ //
+ ASSERT (Private->SelectIndex != 0);
+ Status = PxeBcCopyDhcp6Ack (Private, Packet, FALSE);
+ if (EFI_ERROR (Status)) {
+ Status = EFI_ABORTED;
+ }
+
+ break;
+
+ default:
+ ASSERT (0);
}
return Status;
}
-
/**
Build and send out the request packet for the bootfile, and parse the reply.
@@ -1788,39 +2072,37 @@ PxeBcDhcp6CallBack (
**/
EFI_STATUS
PxeBcDhcp6Discover (
- IN PXEBC_PRIVATE_DATA *Private,
- IN UINT16 Type,
- IN UINT16 *Layer,
- IN BOOLEAN UseBis,
- IN EFI_IP_ADDRESS *DestIp
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN UINT16 Type,
+ IN UINT16 *Layer,
+ IN BOOLEAN UseBis,
+ IN EFI_IP_ADDRESS *DestIp
)
{
- EFI_PXE_BASE_CODE_UDP_PORT SrcPort;
- EFI_PXE_BASE_CODE_UDP_PORT DestPort;
- EFI_PXE_BASE_CODE_MODE *Mode;
- EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
- EFI_PXE_BASE_CODE_DHCPV6_PACKET *Discover;
- UINTN DiscoverLen;
- EFI_DHCP6_PACKET *Request;
- UINTN RequestLen;
- EFI_DHCP6_PACKET *Reply;
- UINT8 *RequestOpt;
- UINT8 *DiscoverOpt;
- UINTN ReadSize;
- UINT16 OpFlags;
- UINT16 OpCode;
- UINT16 OpLen;
- UINT32 Xid;
- EFI_STATUS Status;
-
- PxeBc = &Private->PxeBc;
- Mode = PxeBc->Mode;
- Request = Private->Dhcp6Request;
- SrcPort = PXEBC_BS_DISCOVER_PORT;
- DestPort = PXEBC_BS_DISCOVER_PORT;
- OpFlags = 0;
-
- if (!UseBis && Layer != NULL) {
+ EFI_PXE_BASE_CODE_UDP_PORT SrcPort;
+ EFI_PXE_BASE_CODE_UDP_PORT DestPort;
+ EFI_PXE_BASE_CODE_MODE *Mode;
+ EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
+ EFI_PXE_BASE_CODE_DHCPV6_PACKET *Discover;
+ UINTN DiscoverLen;
+ EFI_DHCP6_PACKET *Request;
+ UINTN RequestLen;
+ EFI_DHCP6_PACKET *Reply;
+ UINT8 *RequestOpt;
+ UINT8 *DiscoverOpt;
+ UINTN ReadSize;
+ UINT16 OpCode;
+ UINT16 OpLen;
+ UINT32 Xid;
+ EFI_STATUS Status;
+
+ PxeBc = &Private->PxeBc;
+ Mode = PxeBc->Mode;
+ Request = Private->Dhcp6Request;
+ SrcPort = PXEBC_BS_DISCOVER_PORT;
+ DestPort = PXEBC_BS_DISCOVER_PORT;
+
+ if (!UseBis && (Layer != NULL)) {
*Layer &= EFI_PXE_BASE_CODE_BOOT_LAYER_MASK;
}
@@ -1845,10 +2127,11 @@ PxeBcDhcp6Discover (
RequestLen = DiscoverLen;
while (RequestLen < Request->Length) {
- OpCode = NTOHS (((EFI_DHCP6_PACKET_OPTION *) RequestOpt)->OpCode);
- OpLen = NTOHS (((EFI_DHCP6_PACKET_OPTION *) RequestOpt)->OpLen);
- if (OpCode != EFI_DHCP6_IA_TYPE_NA &&
- OpCode != EFI_DHCP6_IA_TYPE_TA) {
+ OpCode = NTOHS (((EFI_DHCP6_PACKET_OPTION *)RequestOpt)->OpCode);
+ OpLen = NTOHS (((EFI_DHCP6_PACKET_OPTION *)RequestOpt)->OpLen);
+ if ((OpCode != EFI_DHCP6_IA_TYPE_NA) &&
+ (OpCode != EFI_DHCP6_IA_TYPE_TA))
+ {
//
// Copy all the options except IA option.
//
@@ -1856,13 +2139,14 @@ PxeBcDhcp6Discover (
DiscoverOpt += (OpLen + 4);
DiscoverLen += (OpLen + 4);
}
+
RequestOpt += (OpLen + 4);
RequestLen += (OpLen + 4);
}
Status = PxeBc->UdpWrite (
PxeBc,
- OpFlags,
+ 0,
&Private->ServerIp,
&DestPort,
NULL,
@@ -1871,10 +2155,10 @@ PxeBcDhcp6Discover (
NULL,
NULL,
&DiscoverLen,
- (VOID *) Discover
+ (VOID *)Discover
);
if (EFI_ERROR (Status)) {
- return Status;
+ goto ON_ERROR;
}
//
@@ -1887,39 +2171,46 @@ PxeBcDhcp6Discover (
} else {
Reply = &Private->ProxyOffer.Dhcp6.Packet.Offer;
}
- ReadSize = (UINTN) Reply->Size;
+
+ ReadSize = (UINTN)Reply->Size;
//
// Start Udp6Read instance
//
Status = Private->Udp6Read->Configure (Private->Udp6Read, &Private->Udp6CfgData);
if (EFI_ERROR (Status)) {
- return Status;
+ goto ON_ERROR;
}
-
+
Status = PxeBc->UdpRead (
PxeBc,
- OpFlags,
- &Private->StationIp,
+ EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP,
+ NULL,
&SrcPort,
&Private->ServerIp,
&DestPort,
NULL,
NULL,
&ReadSize,
- (VOID *) &Reply->Dhcp6
+ (VOID *)&Reply->Dhcp6
);
//
// Stop Udp6Read instance
//
Private->Udp6Read->Configure (Private->Udp6Read, NULL);
if (EFI_ERROR (Status)) {
- return Status;
+ goto ON_ERROR;
}
return EFI_SUCCESS;
-}
+ON_ERROR:
+ if (Discover != NULL) {
+ FreePool (Discover);
+ }
+
+ return Status;
+}
/**
Start the DHCPv6 S.A.R.R. process to acquire the IPv6 address and other PXE boot information.
@@ -1933,35 +2224,35 @@ PxeBcDhcp6Discover (
**/
EFI_STATUS
PxeBcDhcp6Sarr (
- IN PXEBC_PRIVATE_DATA *Private,
- IN EFI_DHCP6_PROTOCOL *Dhcp6
+ IN PXEBC_PRIVATE_DATA *Private,
+ IN EFI_DHCP6_PROTOCOL *Dhcp6
)
{
- EFI_PXE_BASE_CODE_MODE *PxeMode;
- EFI_DHCP6_CONFIG_DATA Config;
- EFI_DHCP6_MODE_DATA Mode;
- EFI_DHCP6_RETRANSMISSION *Retransmit;
- EFI_DHCP6_PACKET_OPTION *OptList[PXEBC_DHCP6_OPTION_MAX_NUM];
- UINT8 Buffer[PXEBC_DHCP6_OPTION_MAX_SIZE];
- UINT32 OptCount;
- EFI_STATUS Status;
- EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
- EFI_STATUS TimerStatus;
- EFI_EVENT Timer;
- UINT64 GetMappingTimeOut;
- UINTN DataSize;
- EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS DadXmits;
-
- Status = EFI_SUCCESS;
- PxeMode = Private->PxeBc.Mode;
- Ip6Cfg = Private->Ip6Cfg;
- Timer = NULL;
+ EFI_PXE_BASE_CODE_MODE *PxeMode;
+ EFI_DHCP6_CONFIG_DATA Config;
+ EFI_DHCP6_MODE_DATA Mode;
+ EFI_DHCP6_RETRANSMISSION *Retransmit;
+ EFI_DHCP6_PACKET_OPTION *OptList[PXEBC_DHCP6_OPTION_MAX_NUM];
+ UINT8 Buffer[PXEBC_DHCP6_OPTION_MAX_SIZE];
+ UINT32 OptCount;
+ EFI_STATUS Status;
+ EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
+ EFI_STATUS TimerStatus;
+ EFI_EVENT Timer;
+ UINT64 GetMappingTimeOut;
+ UINTN DataSize;
+ EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS DadXmits;
+
+ Status = EFI_SUCCESS;
+ PxeMode = Private->PxeBc.Mode;
+ Ip6Cfg = Private->Ip6Cfg;
+ Timer = NULL;
//
// Build option list for the request packet.
//
- OptCount = PxeBcBuildDhcp6Options (Private, OptList, Buffer);
- ASSERT (OptCount> 0);
+ OptCount = PxeBcBuildDhcp6Options (Private, OptList, Buffer);
+ ASSERT (OptCount > 0);
Retransmit = AllocateZeroPool (sizeof (EFI_DHCP6_RETRANSMISSION));
if (Retransmit == NULL) {
@@ -2004,7 +2295,6 @@ PxeBcDhcp6Sarr (
ZeroMem (Private->OfferCount, sizeof (Private->OfferCount));
ZeroMem (Private->OfferIndex, sizeof (Private->OfferIndex));
-
//
// Start DHCPv6 S.A.R.R. process to acquire IPv6 address.
//
@@ -2020,12 +2310,12 @@ PxeBcDhcp6Sarr (
// Get Duplicate Address Detection Transmits count.
//
DataSize = sizeof (EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS);
- Status = Ip6Cfg->GetData (
- Ip6Cfg,
- Ip6ConfigDataTypeDupAddrDetectTransmits,
- &DataSize,
- &DadXmits
- );
+ Status = Ip6Cfg->GetData (
+ Ip6Cfg,
+ Ip6ConfigDataTypeDupAddrDetectTransmits,
+ &DataSize,
+ &DadXmits
+ );
if (EFI_ERROR (Status)) {
Dhcp6->Configure (Dhcp6, NULL);
return Status;
@@ -2038,7 +2328,7 @@ PxeBcDhcp6Sarr (
}
GetMappingTimeOut = TICKS_PER_SECOND * DadXmits.DupAddrDetectTransmits + PXEBC_DAD_ADDITIONAL_DELAY;
- Status = gBS->SetTimer (Timer, TimerRelative, GetMappingTimeOut);
+ Status = gBS->SetTimer (Timer, TimerRelative, GetMappingTimeOut);
if (EFI_ERROR (Status)) {
gBS->CloseEvent (Timer);
Dhcp6->Configure (Dhcp6, NULL);
@@ -2046,19 +2336,20 @@ PxeBcDhcp6Sarr (
}
do {
-
TimerStatus = gBS->CheckEvent (Timer);
if (!EFI_ERROR (TimerStatus)) {
Status = Dhcp6->Start (Dhcp6);
}
} while (TimerStatus == EFI_NOT_READY);
-
+
gBS->CloseEvent (Timer);
}
+
if (EFI_ERROR (Status)) {
if (Status == EFI_ICMP_ERROR) {
PxeMode->IcmpErrorReceived = TRUE;
}
+
Dhcp6->Configure (Dhcp6, NULL);
return Status;
}
@@ -2072,15 +2363,22 @@ PxeBcDhcp6Sarr (
return Status;
}
- ASSERT (Mode.Ia->State == Dhcp6Bound);
+ ASSERT ((Mode.Ia != NULL) && (Mode.Ia->State == Dhcp6Bound));
//
// DHCP6 doesn't have an option to specify the router address on the subnet, the only way to get the
// router address in IP6 is the router discovery mechanism (the RS and RA, which only be handled when
// the IP policy is Automatic). So we just hold the station IP address here and leave the IP policy as
- // Automatic, until we get the server IP address. This could let IP6 driver finish the router discovery
+ // Automatic, until we get the server IP address. This could let IP6 driver finish the router discovery
// to find a valid router address.
//
CopyMem (&Private->TmpStationIp.v6, &Mode.Ia->IaAddress[0].IpAddress, sizeof (EFI_IPv6_ADDRESS));
+ if (Mode.ClientId != NULL) {
+ FreePool (Mode.ClientId);
+ }
+
+ if (Mode.Ia != NULL) {
+ FreePool (Mode.Ia);
+ }
//
// Check the selected offer whether BINL retry is needed.
@@ -2090,6 +2388,6 @@ PxeBcDhcp6Sarr (
Dhcp6->Stop (Dhcp6);
return Status;
}
-
+
return EFI_SUCCESS;
}