X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=NetworkPkg%2FHttpBootDxe%2FHttpBootDhcp6.c;h=b22cef4ff58743898c3ff863ab2a52f995b2dd2b;hb=HEAD;hp=2538bd116ca42ddb47c2081c4fab3e03c0399766;hpb=ce22514e4800dca7854a4778a66e8f08d2b18345;p=mirror_edk2.git
diff --git a/NetworkPkg/HttpBootDxe/HttpBootDhcp6.c b/NetworkPkg/HttpBootDxe/HttpBootDhcp6.c
index 2538bd116c..b22cef4ff5 100644
--- a/NetworkPkg/HttpBootDxe/HttpBootDhcp6.c
+++ b/NetworkPkg/HttpBootDxe/HttpBootDhcp6.c
@@ -1,14 +1,8 @@
/** @file
Functions implementation related with DHCPv6 for HTTP boot driver.
-Copyright (c) 2016, 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 that 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.
+Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -26,70 +20,70 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
UINT32
HttpBootBuildDhcp6Options (
- IN HTTP_BOOT_PRIVATE_DATA *Private,
- OUT EFI_DHCP6_PACKET_OPTION **OptList,
- IN UINT8 *Buffer
+ IN HTTP_BOOT_PRIVATE_DATA *Private,
+ OUT EFI_DHCP6_PACKET_OPTION **OptList,
+ IN UINT8 *Buffer
)
{
- HTTP_BOOT_DHCP6_OPTION_ENTRY OptEnt;
- UINT16 Value;
- UINT32 Index;
+ HTTP_BOOT_DHCP6_OPTION_ENTRY OptEnt;
+ UINT16 Value;
+ UINT32 Index;
Index = 0;
- OptList[0] = (EFI_DHCP6_PACKET_OPTION *) Buffer;
+ OptList[0] = (EFI_DHCP6_PACKET_OPTION *)Buffer;
//
// Append client option request option
//
- OptList[Index]->OpCode = HTONS (HTTP_BOOT_DHCP6_OPT_ORO);
- OptList[Index]->OpLen = HTONS (8);
- OptEnt.Oro = (HTTP_BOOT_DHCP6_OPTION_ORO *) OptList[Index]->Data;
- OptEnt.Oro->OpCode[0] = HTONS(HTTP_BOOT_DHCP6_OPT_BOOT_FILE_URL);
- OptEnt.Oro->OpCode[1] = HTONS(HTTP_BOOT_DHCP6_OPT_BOOT_FILE_PARAM);
- OptEnt.Oro->OpCode[2] = HTONS(HTTP_BOOT_DHCP6_OPT_DNS_SERVERS);
- OptEnt.Oro->OpCode[3] = HTONS(HTTP_BOOT_DHCP6_OPT_VENDOR_CLASS);
+ OptList[Index]->OpCode = HTONS (DHCP6_OPT_ORO);
+ OptList[Index]->OpLen = HTONS (8);
+ OptEnt.Oro = (HTTP_BOOT_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 (HTTP_BOOT_DHCP6_OPT_UNDI);
- OptList[Index]->OpLen = HTONS ((UINT16)3);
- OptEnt.Undi = (HTTP_BOOT_DHCP6_OPTION_UNDI *) OptList[Index]->Data;
+ OptList[Index]->OpCode = HTONS (DHCP6_OPT_UNDI);
+ OptList[Index]->OpLen = HTONS ((UINT16)3);
+ OptEnt.Undi = (HTTP_BOOT_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 (HTTP_BOOT_DHCP6_OPT_ARCH);
- OptList[Index]->OpLen = HTONS ((UINT16) sizeof (HTTP_BOOT_DHCP6_OPTION_ARCH));
- OptEnt.Arch = (HTTP_BOOT_DHCP6_OPTION_ARCH *) OptList[Index]->Data;
- Value = HTONS (EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE);
+ OptList[Index]->OpCode = HTONS (DHCP6_OPT_ARCH);
+ OptList[Index]->OpLen = HTONS ((UINT16)sizeof (HTTP_BOOT_DHCP6_OPTION_ARCH));
+ OptEnt.Arch = (HTTP_BOOT_DHCP6_OPTION_ARCH *)OptList[Index]->Data;
+ Value = HTONS (EFI_HTTP_BOOT_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 identify option.
//
- OptList[Index]->OpCode = HTONS (HTTP_BOOT_DHCP6_OPT_VENDOR_CLASS);
- OptList[Index]->OpLen = HTONS ((UINT16) sizeof (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS));
- OptEnt.VendorClass = (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS *) OptList[Index]->Data;
+ OptList[Index]->OpCode = HTONS (DHCP6_OPT_VENDOR_CLASS);
+ OptList[Index]->OpLen = HTONS ((UINT16)sizeof (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS));
+ OptEnt.VendorClass = (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS *)OptList[Index]->Data;
OptEnt.VendorClass->Vendor = HTONL (HTTP_BOOT_DHCP6_ENTERPRISE_NUM);
- OptEnt.VendorClass->ClassLen = HTONS ((UINT16) sizeof (HTTP_BOOT_CLASS_ID));
+ OptEnt.VendorClass->ClassLen = HTONS ((UINT16)sizeof (HTTP_BOOT_CLASS_ID));
CopyMem (
&OptEnt.VendorClass->ClassId,
DEFAULT_CLASS_ID_DATA,
@@ -132,38 +126,35 @@ HttpBootBuildDhcp6Options (
@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 *
HttpBootParseDhcp6Options (
- 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;
-
}
/**
@@ -177,70 +168,70 @@ HttpBootParseDhcp6Options (
**/
EFI_STATUS
HttpBootParseDhcp6Packet (
- IN HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6
+ IN HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6
)
{
- EFI_DHCP6_PACKET *Offer;
- EFI_DHCP6_PACKET_OPTION **Options;
- EFI_DHCP6_PACKET_OPTION *Option;
- HTTP_BOOT_OFFER_TYPE OfferType;
- EFI_IPv6_ADDRESS IpAddr;
- BOOLEAN IsProxyOffer;
- BOOLEAN IsHttpOffer;
- BOOLEAN IsDnsOffer;
- BOOLEAN IpExpressedUri;
- EFI_STATUS Status;
- UINT32 Offset;
- UINT32 Length;
-
+ EFI_DHCP6_PACKET *Offer;
+ EFI_DHCP6_PACKET_OPTION **Options;
+ EFI_DHCP6_PACKET_OPTION *Option;
+ HTTP_BOOT_OFFER_TYPE OfferType;
+ EFI_IPv6_ADDRESS IpAddr;
+ BOOLEAN IsProxyOffer;
+ BOOLEAN IsHttpOffer;
+ BOOLEAN IsDnsOffer;
+ BOOLEAN IpExpressedUri;
+ EFI_STATUS Status;
+ UINT32 Offset;
+ UINT32 Length;
+
IsDnsOffer = FALSE;
IpExpressedUri = FALSE;
IsProxyOffer = TRUE;
IsHttpOffer = FALSE;
- Offer = &Cache6->Packet.Offer;
- Options = Cache6->OptList;
-
+ Offer = &Cache6->Packet.Offer;
+ Options = Cache6->OptList;
+
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) == HTTP_BOOT_DHCP6_OPT_IA_NA) {
+ if (NTOHS (Option->OpCode) == DHCP6_OPT_IA_NA) {
Options[HTTP_BOOT_DHCP6_IDX_IA_NA] = Option;
- } else if (NTOHS (Option->OpCode) == HTTP_BOOT_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[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] = Option;
- } else if (NTOHS (Option->OpCode) == HTTP_BOOT_DHCP6_OPT_BOOT_FILE_PARAM) {
+ } else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_PARAM) {
Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_PARAM] = Option;
- } else if (NTOHS (Option->OpCode) == HTTP_BOOT_DHCP6_OPT_VENDOR_CLASS) {
+ } else if (NTOHS (Option->OpCode) == DHCP6_OPT_VENDOR_CLASS) {
Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS] = Option;
- } else if (NTOHS (Option->OpCode) == HTTP_BOOT_DHCP6_OPT_DNS_SERVERS) {
+ } else if (NTOHS (Option->OpCode) == DHCP6_OPT_DNS_SERVERS) {
Options[HTTP_BOOT_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[HTTP_BOOT_DHCP6_IDX_IA_NA];
if (Option != NULL) {
Option = HttpBootParseDhcp6Options (
Option->Data + 12,
NTOHS (Option->OpLen),
- HTTP_BOOT_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;
}
}
@@ -250,10 +241,11 @@ HttpBootParseDhcp6Packet (
//
Option = Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS];
- if (Option != NULL &&
- NTOHS(Option->OpLen) >= 10 &&
- CompareMem (Option->Data, DEFAULT_CLASS_ID_DATA, 10) == 0) {
- IsHttpOffer = TRUE;
+ if ((Option != NULL) &&
+ (NTOHS (Option->OpLen) >= 16) &&
+ (CompareMem ((Option->Data + 6), DEFAULT_CLASS_ID_DATA, 10) == 0))
+ {
+ IsHttpOffer = TRUE;
}
//
@@ -267,17 +259,17 @@ HttpBootParseDhcp6Packet (
//
// Http offer must have a boot URI.
//
- if (IsHttpOffer && Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] == NULL) {
+ if (IsHttpOffer && (Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] == NULL)) {
return EFI_DEVICE_ERROR;
}
-
+
//
- // Try to retrieve the IP of HTTP server from URI.
+ // Try to retrieve the IP of HTTP server from URI.
//
if (IsHttpOffer) {
Status = HttpParseUrl (
- (CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,
- (UINT32) AsciiStrLen ((CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data),
+ (CHAR8 *)Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,
+ (UINT32)AsciiStrLen ((CHAR8 *)Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data),
FALSE,
&Cache6->UriParser
);
@@ -286,7 +278,7 @@ HttpBootParseDhcp6Packet (
}
Status = HttpUrlGetIp6 (
- (CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,
+ (CHAR8 *)Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,
Cache6->UriParser,
&IpAddr
);
@@ -298,7 +290,11 @@ HttpBootParseDhcp6Packet (
//
if (IsHttpOffer) {
if (IpExpressedUri) {
- OfferType = IsProxyOffer ? HttpOfferTypeProxyIpUri : HttpOfferTypeDhcpIpUri;
+ if (IsProxyOffer) {
+ OfferType = HttpOfferTypeProxyIpUri;
+ } else {
+ OfferType = IsDnsOffer ? HttpOfferTypeDhcpIpUriDns : HttpOfferTypeDhcpIpUri;
+ }
} else {
if (!IsProxyOffer) {
OfferType = IsDnsOffer ? HttpOfferTypeDhcpNameUriDns : HttpOfferTypeDhcpNameUri;
@@ -306,7 +302,6 @@ HttpBootParseDhcp6Packet (
OfferType = HttpOfferTypeProxyNameUri;
}
}
-
} else {
if (!IsProxyOffer) {
OfferType = IsDnsOffer ? HttpOfferTypeDhcpDns : HttpOfferTypeDhcpOnly;
@@ -314,7 +309,7 @@ HttpBootParseDhcp6Packet (
return EFI_DEVICE_ERROR;
}
}
-
+
Cache6->OfferType = OfferType;
return EFI_SUCCESS;
}
@@ -325,17 +320,24 @@ HttpBootParseDhcp6Packet (
@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
HttpBootCacheDhcp6Packet (
- 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;
}
/**
@@ -344,16 +346,20 @@ HttpBootCacheDhcp6Packet (
@param[in] Private The pointer to HTTP_BOOT_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
HttpBootCacheDhcp6Offer (
IN HTTP_BOOT_PRIVATE_DATA *Private,
IN EFI_DHCP6_PACKET *RcvdOffer
)
{
- HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6;
- EFI_DHCP6_PACKET *Offer;
- HTTP_BOOT_OFFER_TYPE OfferType;
+ HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6;
+ EFI_DHCP6_PACKET *Offer;
+ HTTP_BOOT_OFFER_TYPE OfferType;
+ EFI_STATUS Status;
Cache6 = &Private->OfferBuffer[Private->OfferNum].Dhcp6;
Offer = &Cache6->Packet.Offer;
@@ -361,13 +367,16 @@ HttpBootCacheDhcp6Offer (
//
// Cache the content of DHCPv6 packet firstly.
//
- HttpBootCacheDhcp6Packet(Offer, RcvdOffer);
+ Status = HttpBootCacheDhcp6Packet (Offer, RcvdOffer);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
//
// Validate the DHCPv6 packet, and parse the options and offer type.
//
if (EFI_ERROR (HttpBootParseDhcp6Packet (Cache6))) {
- return ;
+ return EFI_ABORTED;
}
//
@@ -378,7 +387,9 @@ HttpBootCacheDhcp6Offer (
ASSERT (Private->OfferCount[OfferType] < HTTP_BOOT_OFFER_MAX_NUM);
Private->OfferIndex[OfferType][Private->OfferCount[OfferType]] = Private->OfferNum;
Private->OfferCount[OfferType]++;
- Private->OfferNum++;
+ Private->OfferNum++;
+
+ return EFI_SUCCESS;
}
/**
@@ -397,71 +408,105 @@ HttpBootCacheDhcp6Offer (
@retval EFI_NOT_READY Only used in the Dhcp6Selecting state. The EFI DHCPv6 Protocol
driver will continue to wait for more packets.
@retval EFI_ABORTED Told the EFI DHCPv6 Protocol driver to abort the current process.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources.
**/
EFI_STATUS
EFIAPI
HttpBootDhcp6CallBack (
- 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
)
{
- HTTP_BOOT_PRIVATE_DATA *Private;
- EFI_DHCP6_PACKET *SelectAd;
- EFI_STATUS Status;
- if ((Dhcp6Event != Dhcp6RcvdAdvertise) && (Dhcp6Event != Dhcp6SelectAdvertise)) {
- return EFI_SUCCESS;
- }
-
- ASSERT (Packet != NULL);
-
- Private = (HTTP_BOOT_PRIVATE_DATA *) Context;
- Status = EFI_SUCCESS;
- switch (Dhcp6Event) {
-
- case Dhcp6RcvdAdvertise:
- Status = EFI_NOT_READY;
- if (Private->OfferNum < HTTP_BOOT_OFFER_MAX_NUM) {
- //
- // Cache the dhcp offers to OfferBuffer[] for select later, and record
- // the OfferIndex and OfferCount.
- //
- HttpBootCacheDhcp6Offer (Private, Packet);
- }
- break;
-
- case Dhcp6SelectAdvertise:
- //
- // Select offer by the default policy or by order, and record the SelectIndex
- // and SelectProxyType.
- //
- HttpBootSelectDhcpOffer (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);
- CopyMem (*NewPacket, SelectAd, SelectAd->Size);
- }
- break;
-
- default:
- break;
- }
-
- return Status;
+ HTTP_BOOT_PRIVATE_DATA *Private;
+ EFI_DHCP6_PACKET *SelectAd;
+ EFI_STATUS Status;
+ BOOLEAN Received;
+
+ if ((Dhcp6Event != Dhcp6SendSolicit) &&
+ (Dhcp6Event != Dhcp6RcvdAdvertise) &&
+ (Dhcp6Event != Dhcp6SendRequest) &&
+ (Dhcp6Event != Dhcp6RcvdReply) &&
+ (Dhcp6Event != Dhcp6SelectAdvertise))
+ {
+ return EFI_SUCCESS;
+ }
+
+ ASSERT (Packet != NULL);
+
+ Private = (HTTP_BOOT_PRIVATE_DATA *)Context;
+ Status = EFI_SUCCESS;
+ if ((Private->HttpBootCallback != NULL) && (Dhcp6Event != Dhcp6SelectAdvertise)) {
+ Received = (BOOLEAN)(Dhcp6Event == Dhcp6RcvdAdvertise || Dhcp6Event == Dhcp6RcvdReply);
+ Status = Private->HttpBootCallback->Callback (
+ Private->HttpBootCallback,
+ HttpBootDhcp6,
+ Received,
+ Packet->Length,
+ &Packet->Dhcp6
+ );
+ if (EFI_ERROR (Status)) {
+ return EFI_ABORTED;
+ }
+ }
+
+ switch (Dhcp6Event) {
+ case Dhcp6RcvdAdvertise:
+ Status = EFI_NOT_READY;
+ if (Packet->Length > HTTP_BOOT_DHCP6_PACKET_MAX_SIZE) {
+ //
+ // Ignore the incoming packets which exceed the maximum length.
+ //
+ break;
+ }
+
+ if (Private->OfferNum < HTTP_BOOT_OFFER_MAX_NUM) {
+ //
+ // Cache the dhcp offers to OfferBuffer[] for select later, and record
+ // the OfferIndex and OfferCount.
+ // If error happens, just ignore this packet and continue to wait more offer.
+ //
+ HttpBootCacheDhcp6Offer (Private, Packet);
+ }
+
+ break;
+
+ case Dhcp6SelectAdvertise:
+ //
+ // Select offer by the default policy or by order, and record the SelectIndex
+ // and SelectProxyType.
+ //
+ HttpBootSelectDhcpOffer (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);
+ if (*NewPacket == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ CopyMem (*NewPacket, SelectAd, SelectAd->Size);
+ }
+
+ break;
+
+ default:
+ break;
+ }
+
+ return Status;
}
/**
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.
@@ -471,23 +516,23 @@ HttpBootDhcp6CallBack (
@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
HttpBootCheckRouteTable (
- IN HTTP_BOOT_PRIVATE_DATA *Private,
- IN UINTN TimeOutInSecond,
- OUT EFI_IPv6_ADDRESS *GatewayAddr
+ IN HTTP_BOOT_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);
@@ -504,7 +549,7 @@ HttpBootCheckRouteTable (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
-
+
//
// Find out the gateway address which can route the message which send to ServerIp.
//
@@ -519,28 +564,33 @@ HttpBootCheckRouteTable (
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.
//
@@ -561,23 +611,24 @@ HttpBootCheckRouteTable (
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;
}
/**
@@ -585,23 +636,23 @@ ON_EXIT:
@param[in] Private The pointer to HTTP_BOOT_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
HttpBootSetIp6Policy (
- IN HTTP_BOOT_PRIVATE_DATA *Private
+ IN HTTP_BOOT_PRIVATE_DATA *Private
)
{
- EFI_IP6_CONFIG_POLICY Policy;
- EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
- EFI_STATUS Status;
- UINTN DataSize;
+ EFI_IP6_CONFIG_POLICY Policy;
+ EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
+ EFI_STATUS Status;
+ UINTN DataSize;
+
+ Ip6Config = Private->Ip6Config;
+ DataSize = sizeof (EFI_IP6_CONFIG_POLICY);
- Ip6Config = Private->Ip6Config;
- DataSize = sizeof (EFI_IP6_CONFIG_POLICY);
-
//
// Get and store the current policy of IP6 driver.
//
@@ -620,19 +671,20 @@ HttpBootSetIp6Policy (
Status = Ip6Config->SetData (
Ip6Config,
Ip6ConfigDataTypePolicy,
- sizeof(EFI_IP6_CONFIG_POLICY),
+ sizeof (EFI_IP6_CONFIG_POLICY),
&Policy
);
if (EFI_ERROR (Status)) {
return Status;
}
}
+
return EFI_SUCCESS;
}
/**
This function will register the default DNS addresses to the network device.
-
+
@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
@param[in] DataLength Size of the buffer pointed to by DnsServerData in bytes.
@param[in] DnsServerData Point a list of DNS server address in an array
@@ -644,17 +696,17 @@ HttpBootSetIp6Policy (
**/
EFI_STATUS
HttpBootSetIp6Dns (
- IN HTTP_BOOT_PRIVATE_DATA *Private,
- IN UINTN DataLength,
- IN VOID *DnsServerData
+ IN HTTP_BOOT_PRIVATE_DATA *Private,
+ IN UINTN DataLength,
+ IN VOID *DnsServerData
)
{
- EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
-
+ EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
+
ASSERT (Private->UsingIpv6);
Ip6Config = Private->Ip6Config;
-
+
return Ip6Config->SetData (
Ip6Config,
Ip6ConfigDataTypeDnsServer,
@@ -665,7 +717,7 @@ HttpBootSetIp6Dns (
/**
This function will register the IPv6 gateway address to the network device.
-
+
@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
@retval EFI_SUCCESS The new IP configuration has been configured successfully.
@@ -674,17 +726,17 @@ HttpBootSetIp6Dns (
**/
EFI_STATUS
HttpBootSetIp6Gateway (
- IN HTTP_BOOT_PRIVATE_DATA *Private
+ IN HTTP_BOOT_PRIVATE_DATA *Private
)
{
- EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
- EFI_STATUS Status;
+ EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
+ EFI_STATUS Status;
ASSERT (Private->UsingIpv6);
Ip6Config = Private->Ip6Config;
-
+
//
- // Set the default gateway address.
+ // Set the default gateway address.
//
if (!Private->NoGateway && !NetIp6IsUnspecifiedAddr (&Private->GatewayIp.v6)) {
Status = Ip6Config->SetData (
@@ -693,7 +745,7 @@ HttpBootSetIp6Gateway (
sizeof (EFI_IPv6_ADDRESS),
&Private->GatewayIp.v6
);
- if (EFI_ERROR(Status)) {
+ if (EFI_ERROR (Status)) {
return Status;
}
}
@@ -703,7 +755,7 @@ HttpBootSetIp6Gateway (
/**
This function will register the station IP address.
-
+
@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
@retval EFI_SUCCESS The new IP address has been configured successfully.
@@ -712,40 +764,40 @@ HttpBootSetIp6Gateway (
**/
EFI_STATUS
HttpBootSetIp6Address (
- IN HTTP_BOOT_PRIVATE_DATA *Private
-)
+ IN HTTP_BOOT_PRIVATE_DATA *Private
+ )
{
- EFI_STATUS Status;
- EFI_IP6_PROTOCOL *Ip6;
- EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
- EFI_IP6_CONFIG_POLICY Policy;
- EFI_IP6_CONFIG_MANUAL_ADDRESS CfgAddr;
- EFI_IPv6_ADDRESS *Ip6Addr;
- EFI_IPv6_ADDRESS GatewayAddr;
- EFI_IP6_CONFIG_DATA Ip6CfgData;
- EFI_EVENT MappedEvt;
- UINTN DataSize;
- BOOLEAN IsAddressOk;
- UINTN Index;
+ EFI_STATUS Status;
+ EFI_IP6_PROTOCOL *Ip6;
+ EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
+ EFI_IP6_CONFIG_POLICY Policy;
+ EFI_IP6_CONFIG_MANUAL_ADDRESS CfgAddr;
+ EFI_IPv6_ADDRESS *Ip6Addr;
+ EFI_IPv6_ADDRESS GatewayAddr;
+ EFI_IP6_CONFIG_DATA Ip6CfgData;
+ EFI_EVENT MappedEvt;
+ UINTN DataSize;
+ BOOLEAN IsAddressOk;
+ UINTN Index;
ASSERT (Private->UsingIpv6);
-
+
MappedEvt = NULL;
IsAddressOk = FALSE;
Ip6Addr = NULL;
Ip6Cfg = Private->Ip6Config;
Ip6 = Private->Ip6;
-
+
ZeroMem (&CfgAddr, sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));
CopyMem (&CfgAddr, &Private->StationIp.v6, sizeof (EFI_IPv6_ADDRESS));
ZeroMem (&Ip6CfgData, sizeof (EFI_IP6_CONFIG_DATA));
-
- Ip6CfgData.AcceptIcmpErrors = TRUE;
- Ip6CfgData.DefaultProtocol = IP6_ICMP;
- Ip6CfgData.HopLimit = HTTP_BOOT_DEFAULT_HOPLIMIT;
- Ip6CfgData.ReceiveTimeout = HTTP_BOOT_DEFAULT_LIFETIME;
- Ip6CfgData.TransmitTimeout = HTTP_BOOT_DEFAULT_LIFETIME;
-
+
+ Ip6CfgData.AcceptIcmpErrors = TRUE;
+ Ip6CfgData.DefaultProtocol = IP6_ICMP;
+ Ip6CfgData.HopLimit = HTTP_BOOT_DEFAULT_HOPLIMIT;
+ Ip6CfgData.ReceiveTimeout = HTTP_BOOT_DEFAULT_LIFETIME;
+ Ip6CfgData.TransmitTimeout = HTTP_BOOT_DEFAULT_LIFETIME;
+
Status = Ip6->Configure (Ip6, &Ip6CfgData);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
@@ -768,13 +820,13 @@ HttpBootSetIp6Address (
Status = Ip6Cfg->SetData (
Ip6Cfg,
Ip6ConfigDataTypePolicy,
- sizeof(EFI_IP6_CONFIG_POLICY),
+ sizeof (EFI_IP6_CONFIG_POLICY),
&Policy
);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
-
+
//
// Create a notify event to set address flag when DAD if IP6 driver succeeded.
//
@@ -788,7 +840,7 @@ HttpBootSetIp6Address (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
-
+
//
// Set static host ip6 address. This is a asynchronous process.
//
@@ -797,7 +849,7 @@ HttpBootSetIp6Address (
Ip6ConfigDataTypeManualAddress,
MappedEvt
);
- if (EFI_ERROR(Status)) {
+ if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
@@ -806,8 +858,8 @@ HttpBootSetIp6Address (
Ip6ConfigDataTypeManualAddress,
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) {
//
@@ -816,47 +868,50 @@ HttpBootSetIp6Address (
while (!IsAddressOk) {
Ip6->Poll (Ip6);
}
+
//
// 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 = Ip6Cfg->GetData (
+ Ip6Cfg,
+ Ip6ConfigDataTypeManualAddress,
+ &DataSize,
+ NULL
+ );
+ if ((Status != EFI_BUFFER_TOO_SMALL) || (DataSize == 0)) {
Status = EFI_DEVICE_ERROR;
goto ON_EXIT;
}
-
+
Ip6Addr = AllocatePool (DataSize);
if (Ip6Addr == NULL) {
return EFI_OUT_OF_RESOURCES;
}
+
Status = Ip6Cfg->GetData (
Ip6Cfg,
Ip6ConfigDataTypeManualAddress,
&DataSize,
- (VOID *) Ip6Addr
+ (VOID *)Ip6Addr
);
if (EFI_ERROR (Status)) {
Status = EFI_DEVICE_ERROR;
goto ON_EXIT;
}
- for (Index = 0; Index < DataSize / sizeof (EFI_IPv6_ADDRESS); Index ++) {
+ for (Index = 0; Index < DataSize / sizeof (EFI_IPv6_ADDRESS); Index++) {
if (CompareMem (Ip6Addr + Index, &CfgAddr, sizeof (EFI_IPv6_ADDRESS)) == 0) {
break;
}
}
+
if (Index == DataSize / sizeof (EFI_IPv6_ADDRESS)) {
Status = EFI_ABORTED;
goto ON_EXIT;
- }
+ }
}
-
+
ON_EXIT:
if (MappedEvt != NULL) {
Ip6Cfg->UnregisterDataNotify (
@@ -870,8 +925,8 @@ ON_EXIT:
if (Ip6Addr != NULL) {
FreePool (Ip6Addr);
}
-
- return Status;
+
+ return Status;
}
/**
@@ -885,17 +940,17 @@ ON_EXIT:
**/
EFI_STATUS
HttpBootDhcp6Sarr (
- IN HTTP_BOOT_PRIVATE_DATA *Private
+ IN HTTP_BOOT_PRIVATE_DATA *Private
)
{
- EFI_DHCP6_PROTOCOL *Dhcp6;
- EFI_DHCP6_CONFIG_DATA Config;
- EFI_DHCP6_MODE_DATA Mode;
- EFI_DHCP6_RETRANSMISSION *Retransmit;
- EFI_DHCP6_PACKET_OPTION *OptList[HTTP_BOOT_DHCP6_OPTION_MAX_NUM];
- UINT32 OptCount;
- UINT8 Buffer[HTTP_BOOT_DHCP6_OPTION_MAX_SIZE];
- EFI_STATUS Status;
+ EFI_DHCP6_PROTOCOL *Dhcp6;
+ EFI_DHCP6_CONFIG_DATA Config;
+ EFI_DHCP6_MODE_DATA Mode;
+ EFI_DHCP6_RETRANSMISSION *Retransmit;
+ EFI_DHCP6_PACKET_OPTION *OptList[HTTP_BOOT_DHCP6_OPTION_MAX_NUM];
+ UINT32 OptCount;
+ UINT8 Buffer[HTTP_BOOT_DHCP6_OPTION_MAX_SIZE];
+ EFI_STATUS Status;
Dhcp6 = Private->Dhcp6;
ASSERT (Dhcp6 != NULL);
@@ -904,16 +959,16 @@ HttpBootDhcp6Sarr (
// Build options list for the request packet.
//
OptCount = HttpBootBuildDhcp6Options (Private, OptList, Buffer);
- ASSERT (OptCount >0);
-
+ ASSERT (OptCount > 0);
+
Retransmit = AllocateZeroPool (sizeof (EFI_DHCP6_RETRANSMISSION));
if (Retransmit == NULL) {
return EFI_OUT_OF_RESOURCES;
}
-
+
ZeroMem (&Mode, sizeof (EFI_DHCP6_MODE_DATA));
ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));
-
+
Config.OptionCount = OptCount;
Config.OptionList = OptList;
Config.Dhcp6Callback = HttpBootDhcp6CallBack;
@@ -928,7 +983,7 @@ HttpBootDhcp6Sarr (
Retransmit->Mrc = 4;
Retransmit->Mrt = 32;
Retransmit->Mrd = 60;
-
+
//
// Configure the DHCPv6 instance for HTTP boot.
//
@@ -937,14 +992,15 @@ HttpBootDhcp6Sarr (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
+
//
// Initialize the record fields for DHCPv6 offer in private data.
//
- Private->OfferNum = 0;
- Private->SelectIndex = 0;
+ Private->OfferNum = 0;
+ Private->SelectIndex = 0;
ZeroMem (Private->OfferCount, sizeof (Private->OfferCount));
ZeroMem (Private->OfferIndex, sizeof (Private->OfferIndex));
-
+
//
// Start DHCPv6 S.A.R.R. process to acquire IPv6 address.
//
@@ -952,7 +1008,7 @@ HttpBootDhcp6Sarr (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
-
+
//
// Get the acquired IPv6 address and store them.
//
@@ -960,14 +1016,14 @@ HttpBootDhcp6Sarr (
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
-
+
ASSERT (Mode.Ia->State == Dhcp6Bound);
CopyMem (&Private->StationIp.v6, &Mode.Ia->IaAddress[0].IpAddress, sizeof (EFI_IPv6_ADDRESS));
-
+
AsciiPrint ("\n Station IPv6 address is ");
HttpBootShowIp6Addr (&Private->StationIp.v6);
AsciiPrint ("\n");
-
+
ON_EXIT:
if (EFI_ERROR (Status)) {
Dhcp6->Stop (Dhcp6);
@@ -978,12 +1034,11 @@ ON_EXIT:
if (Mode.ClientId != NULL) {
FreePool (Mode.ClientId);
}
+
if (Mode.Ia != NULL) {
FreePool (Mode.Ia);
}
}
- return Status;
-
+ return Status;
}
-