audk/NetworkPkg/HttpBootDxe/HttpBootSupport.c

591 lines
17 KiB
C

/** @file
Support functions implementation for UEFI HTTP boot driver.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License 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.
**/
#include "HttpBootDxe.h"
/**
Get the Nic handle using any child handle in the IPv4 stack.
@param[in] ControllerHandle Pointer to child handle over IPv4.
@return NicHandle The pointer to the Nic handle.
@return NULL Can't find the Nic handle.
**/
EFI_HANDLE
HttpBootGetNicByIp4Children (
IN EFI_HANDLE ControllerHandle
)
{
EFI_HANDLE NicHandle;
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiHttpProtocolGuid);
if (NicHandle == NULL) {
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);
if (NicHandle == NULL) {
return NULL;
}
}
return NicHandle;
}
/**
This function is to convert UINTN to ASCII string with the required formatting.
@param[in] Number Numeric value to be converted.
@param[in] Buffer The pointer to the buffer for ASCII string.
@param[in] Length The length of the required format.
**/
VOID
HttpBootUintnToAscDecWithFormat (
IN UINTN Number,
IN UINT8 *Buffer,
IN INTN Length
)
{
UINTN Remainder;
while (Length > 0) {
Length--;
Remainder = Number % 10;
Number /= 10;
Buffer[Length] = (UINT8) ('0' + Remainder);
}
}
/**
This function is to display the IPv4 address.
@param[in] Ip The pointer to the IPv4 address.
**/
VOID
HttpBootShowIp4Addr (
IN EFI_IPv4_ADDRESS *Ip
)
{
UINTN Index;
for (Index = 0; Index < 4; Index++) {
AsciiPrint ("%d", Ip->Addr[Index]);
if (Index < 3) {
AsciiPrint (".");
}
}
}
/**
Create a HTTP_IO_HEADER to hold the HTTP header items.
@param[in] MaxHeaderCount The maximun number of HTTP header in this holder.
@return A pointer of the HTTP header holder or NULL if failed.
**/
HTTP_IO_HEADER *
HttpBootCreateHeader (
UINTN MaxHeaderCount
)
{
HTTP_IO_HEADER *HttpIoHeader;
if (MaxHeaderCount == 0) {
return NULL;
}
HttpIoHeader = AllocateZeroPool (sizeof (HTTP_IO_HEADER) + MaxHeaderCount * sizeof (EFI_HTTP_HEADER));
if (HttpIoHeader == NULL) {
return NULL;
}
HttpIoHeader->MaxHeaderCount = MaxHeaderCount;
HttpIoHeader->Headers = (EFI_HTTP_HEADER *) (HttpIoHeader + 1);
return HttpIoHeader;
}
/**
Destroy the HTTP_IO_HEADER and release the resouces.
@param[in] HttpIoHeader Point to the HTTP header holder to be destroyed.
**/
VOID
HttpBootFreeHeader (
IN HTTP_IO_HEADER *HttpIoHeader
)
{
UINTN Index;
if (HttpIoHeader != NULL) {
if (HttpIoHeader->HeaderCount != 0) {
for (Index = 0; Index < HttpIoHeader->HeaderCount; Index++) {
FreePool (HttpIoHeader->Headers[Index].FieldName);
FreePool (HttpIoHeader->Headers[Index].FieldValue);
}
}
FreePool (HttpIoHeader);
}
}
/**
Find a specified header field according to the field name.
@param[in] HeaderCount Number of HTTP header structures in Headers list.
@param[in] Headers Array containing list of HTTP headers.
@param[in] FieldName Null terminated string which describes a field name.
@return Pointer to the found header or NULL.
**/
EFI_HTTP_HEADER *
HttpBootFindHeader (
IN UINTN HeaderCount,
IN EFI_HTTP_HEADER *Headers,
IN CHAR8 *FieldName
)
{
UINTN Index;
if (HeaderCount == 0 || Headers == NULL || FieldName == NULL) {
return NULL;
}
for (Index = 0; Index < HeaderCount; Index++){
//
// Field names are case-insensitive (RFC 2616).
//
if (AsciiStriCmp (Headers[Index].FieldName, FieldName) == 0) {
return &Headers[Index];
}
}
return NULL;
}
/**
Set or update a HTTP header with the field name and corresponding value.
@param[in] HttpIoHeader Point to the HTTP header holder.
@param[in] FieldName Null terminated string which describes a field name.
@param[in] FieldValue Null terminated string which describes the corresponding field value.
@retval EFI_SUCCESS The HTTP header has been set or updated.
@retval EFI_INVALID_PARAMETER Any input parameter is invalid.
@retval EFI_OUT_OF_RESOURCES Insufficient resource to complete the operation.
@retval Other Unexpected error happened.
**/
EFI_STATUS
HttpBootSetHeader (
IN HTTP_IO_HEADER *HttpIoHeader,
IN CHAR8 *FieldName,
IN CHAR8 *FieldValue
)
{
EFI_HTTP_HEADER *Header;
UINTN StrSize;
CHAR8 *NewFieldValue;
if (HttpIoHeader == NULL || FieldName == NULL || FieldValue == NULL) {
return EFI_INVALID_PARAMETER;
}
Header = HttpBootFindHeader (HttpIoHeader->HeaderCount, HttpIoHeader->Headers, FieldName);
if (Header == NULL) {
//
// Add a new header.
//
if (HttpIoHeader->HeaderCount >= HttpIoHeader->MaxHeaderCount) {
return EFI_OUT_OF_RESOURCES;
}
Header = &HttpIoHeader->Headers[HttpIoHeader->HeaderCount];
StrSize = AsciiStrSize (FieldName);
Header->FieldName = AllocatePool (StrSize);
if (Header->FieldName == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (Header->FieldName, FieldName, StrSize);
Header->FieldName[StrSize -1] = '\0';
StrSize = AsciiStrSize (FieldValue);
Header->FieldValue = AllocatePool (StrSize);
if (Header->FieldValue == NULL) {
FreePool (Header->FieldName);
return EFI_OUT_OF_RESOURCES;
}
CopyMem (Header->FieldValue, FieldValue, StrSize);
Header->FieldValue[StrSize -1] = '\0';
HttpIoHeader->HeaderCount++;
} else {
//
// Update an existing one.
//
StrSize = AsciiStrSize (FieldValue);
NewFieldValue = AllocatePool (StrSize);
if (NewFieldValue == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (NewFieldValue, FieldValue, StrSize);
NewFieldValue[StrSize -1] = '\0';
if (Header->FieldValue != NULL) {
FreePool (Header->FieldValue);
}
Header->FieldValue = NewFieldValue;
}
return EFI_SUCCESS;
}
/**
Notify the callback function when an event is triggered.
@param[in] Event The triggered event.
@param[in] Context The opaque parameter to the function.
**/
VOID
EFIAPI
HttpIoCommonNotify (
IN EFI_EVENT Event,
IN VOID *Context
)
{
*((BOOLEAN *) Context) = TRUE;
}
/**
Create a HTTP_IO to access the HTTP service. It will create and configure
a HTTP child handle.
@param[in] Image The handle of the driver image.
@param[in] Controller The handle of the controller.
@param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
@param[in] ConfigData The HTTP_IO configuration data.
@param[out] HttpIo The HTTP_IO.
@retval EFI_SUCCESS The HTTP_IO is created and configured.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_UNSUPPORTED One or more of the control options are not
supported in the implementation.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval Others Failed to create the HTTP_IO or configure it.
**/
EFI_STATUS
HttpIoCreateIo (
IN EFI_HANDLE Image,
IN EFI_HANDLE Controller,
IN UINT8 IpVersion,
IN HTTP_IO_CONFIG_DATA *ConfigData,
OUT HTTP_IO *HttpIo
)
{
EFI_STATUS Status;
EFI_HTTP_CONFIG_DATA HttpConfigData;
EFI_HTTPv4_ACCESS_POINT Http4AccessPoint;
EFI_HTTP_PROTOCOL *Http;
EFI_EVENT Event;
if ((Image == NULL) || (Controller == NULL) || (ConfigData == NULL) || (HttpIo == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (IpVersion != IP_VERSION_4 && IpVersion != IP_VERSION_6) {
return EFI_UNSUPPORTED;
}
ZeroMem (HttpIo, sizeof (HTTP_IO));
//
// Create the HTTP child instance and get the HTTP protocol.
//
Status = NetLibCreateServiceChild (
Controller,
Image,
&gEfiHttpServiceBindingProtocolGuid,
&HttpIo->Handle
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->OpenProtocol (
HttpIo->Handle,
&gEfiHttpProtocolGuid,
(VOID **) &Http,
Image,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status) || (Http == NULL)) {
goto ON_ERROR;
}
//
// Init the configuration data and configure the HTTP child.
//
HttpIo->Image = Image;
HttpIo->Controller = Controller;
HttpIo->IpVersion = IpVersion;
HttpIo->Http = Http;
ZeroMem (&HttpConfigData, sizeof (EFI_HTTP_CONFIG_DATA));
HttpConfigData.HttpVersion = HttpVersion11;
HttpConfigData.TimeOutMillisec = ConfigData->Config4.RequestTimeOut;
if (HttpIo->IpVersion == IP_VERSION_4) {
HttpConfigData.LocalAddressIsIPv6 = FALSE;
Http4AccessPoint.UseDefaultAddress = ConfigData->Config4.UseDefaultAddress;
Http4AccessPoint.LocalPort = ConfigData->Config4.LocalPort;
IP4_COPY_ADDRESS (&Http4AccessPoint.LocalAddress, &ConfigData->Config4.LocalIp);
IP4_COPY_ADDRESS (&Http4AccessPoint.LocalSubnet, &ConfigData->Config4.SubnetMask);
HttpConfigData.AccessPoint.IPv4Node = &Http4AccessPoint;
} else {
ASSERT (FALSE);
}
Status = Http->Configure (Http, &HttpConfigData);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
//
// Create events for variuos asynchronous operations.
//
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
HttpIoCommonNotify,
&HttpIo->IsTxDone,
&Event
);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
HttpIo->ReqToken.Event = Event;
HttpIo->ReqToken.Message = &HttpIo->ReqMessage;
Status = gBS->CreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
HttpIoCommonNotify,
&HttpIo->IsRxDone,
&Event
);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
HttpIo->RspToken.Event = Event;
HttpIo->RspToken.Message = &HttpIo->RspMessage;
return EFI_SUCCESS;
ON_ERROR:
HttpIoDestroyIo (HttpIo);
return Status;
}
/**
Destroy the HTTP_IO and release the resouces.
@param[in] HttpIo The HTTP_IO which wraps the HTTP service to be destroyed.
**/
VOID
HttpIoDestroyIo (
IN HTTP_IO *HttpIo
)
{
EFI_HTTP_PROTOCOL *Http;
EFI_EVENT Event;
if (HttpIo == NULL) {
return;
}
Event = HttpIo->ReqToken.Event;
if (Event != NULL) {
gBS->CloseEvent (Event);
}
Event = HttpIo->RspToken.Event;
if (Event != NULL) {
gBS->CloseEvent (Event);
}
Http = HttpIo->Http;
if (Http != NULL) {
Http->Configure (Http, NULL);
gBS->CloseProtocol (
HttpIo->Handle,
&gEfiHttpProtocolGuid,
HttpIo->Image,
HttpIo->Controller
);
}
NetLibDestroyServiceChild (
HttpIo->Controller,
HttpIo->Image,
&gEfiHttpServiceBindingProtocolGuid,
HttpIo->Handle
);
}
/**
Synchronously send a HTTP REQUEST message to the server.
@param[in] HttpIo The HttpIo wrapping the HTTP service.
@param[in] Request A pointer to storage such data as URL and HTTP method.
@param[in] HeaderCount Number of HTTP header structures in Headers list.
@param[in] Headers Array containing list of HTTP headers.
@param[in] BodyLength Length in bytes of the HTTP body.
@param[in] Body Body associated with the HTTP request.
@retval EFI_SUCCESS The HTTP request is trasmitted.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
@retval Others Other errors as indicated.
**/
EFI_STATUS
HttpIoSendRequest (
IN HTTP_IO *HttpIo,
IN EFI_HTTP_REQUEST_DATA *Request,
IN UINTN HeaderCount,
IN EFI_HTTP_HEADER *Headers,
IN UINTN BodyLength,
IN VOID *Body
)
{
EFI_STATUS Status;
EFI_HTTP_PROTOCOL *Http;
if (HttpIo == NULL || HttpIo->Http == NULL) {
return EFI_INVALID_PARAMETER;
}
HttpIo->ReqToken.Status = EFI_NOT_READY;
HttpIo->ReqToken.Message->Data.Request = Request;
HttpIo->ReqToken.Message->HeaderCount = HeaderCount;
HttpIo->ReqToken.Message->Headers = Headers;
HttpIo->ReqToken.Message->BodyLength = BodyLength;
HttpIo->ReqToken.Message->Body = Body;
//
// Queue the request token to HTTP instances.
//
Http = HttpIo->Http;
HttpIo->IsTxDone = FALSE;
Status = Http->Request (
Http,
&HttpIo->ReqToken
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Poll the network until transmit finish.
//
while (!HttpIo->IsTxDone) {
Http->Poll (Http);
}
return HttpIo->ReqToken.Status;
}
/**
Synchronously receive a HTTP RESPONSE message from the server.
@param[in] HttpIo The HttpIo wrapping the HTTP service.
@param[in] RecvMsgHeader TRUE to receive a new HTTP response (from message header).
FALSE to continue receive the previous response message.
@param[out] ResponseData Point to a wrapper of the received response data.
@retval EFI_SUCCESS The HTTP resopnse is received.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
@retval Others Other errors as indicated.
**/
EFI_STATUS
HttpIoRecvResponse (
IN HTTP_IO *HttpIo,
IN BOOLEAN RecvMsgHeader,
OUT HTTP_IO_RESOPNSE_DATA *ResponseData
)
{
EFI_STATUS Status;
EFI_HTTP_PROTOCOL *Http;
if (HttpIo == NULL || HttpIo->Http == NULL || ResponseData == NULL) {
return EFI_INVALID_PARAMETER;
}
//
// Queue the response token to HTTP instances.
//
HttpIo->RspToken.Status = EFI_NOT_READY;
if (RecvMsgHeader) {
HttpIo->RspToken.Message->Data.Response = &ResponseData->Response;
} else {
HttpIo->RspToken.Message->Data.Response = NULL;
}
HttpIo->RspToken.Message->HeaderCount = 0;
HttpIo->RspToken.Message->Headers = NULL;
HttpIo->RspToken.Message->BodyLength = ResponseData->BodyLength;
HttpIo->RspToken.Message->Body = ResponseData->Body;
Http = HttpIo->Http;
HttpIo->IsRxDone = FALSE;
Status = Http->Response (
Http,
&HttpIo->RspToken
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Poll the network until transmit finish.
//
while (!HttpIo->IsRxDone) {
Http->Poll (Http);
}
//
// Store the received data into the wrapper.
//
Status = HttpIo->ReqToken.Status;
if (!EFI_ERROR (Status)) {
ResponseData->HeaderCount = HttpIo->RspToken.Message->HeaderCount;
ResponseData->Headers = HttpIo->RspToken.Message->Headers;
ResponseData->BodyLength = HttpIo->RspToken.Message->BodyLength;
}
return Status;
}