analyzerinput

package
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Published: Jul 11, 2023 License: BSD-3-Clause Imports: 25 Imported by: 0

Documentation

Overview

Copyright 2023 Meta Platforms, Inc. and affiliates.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Copyright 2023 Meta Platforms, Inc. and affiliates.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewAPCBSecurityTokensInput

func NewAPCBSecurityTokensInput(
	ctx context.Context,
	artifacts ArtifactsAccessor,
	input afas.APCBSecurityTokensInput,
) (analysis.Input, error)

NewAPCBSecurityTokensInput constructs input needed for APCBSecurityTokens analyzer

func NewBIOSRTMVolumeInput

func NewBIOSRTMVolumeInput(
	ctx context.Context,
	artifacts ArtifactsAccessor,
	input afas.BIOSRTMVolumeInput,
) (analysis.Input, error)

NewBIOSRTMVolumeInput constructs input needed for BIOSRTMVolume analyzer

func NewDiffMeasuredBootInput

func NewDiffMeasuredBootInput(
	ctx context.Context,
	artifacts ArtifactsAccessor,
	input afas.DiffMeasuredBootInput,
) (analysis.Input, error)

NewDiffMeasuredBootInput constructs input needed for DiffMeasuredBoot analyzer

func NewIntelACMInput

func NewIntelACMInput(
	ctx context.Context,
	artifacts ArtifactsAccessor,
	input afas.IntelACMInput,
) (analysis.Input, error)

NewIntelACMInput constructs input needed for IntelACM analyzer

func NewPSPSignatureInput

func NewPSPSignatureInput(
	ctx context.Context,
	artifacts ArtifactsAccessor,
	input afas.PSPSignatureInput,
) (analysis.Input, error)

NewPSPSignatureInput constructs input needed for PSPSignature analyzer

func NewReproducePCRInput

func NewReproducePCRInput(
	ctx context.Context,
	artifacts ArtifactsAccessor,
	input afas.ReproducePCRInput,
) (analysis.Input, error)

NewReproducePCRInput constructs input needed for ReproducePCR analyzer

Types

type ArtifactsAccessor

type ArtifactsAccessor interface {
	GetFirmware(ctx context.Context, artIdx int) (analysis.Blob, error)
	GetRegisters(ctx context.Context, artIdx int) (registers.Registers, error)
	GetTPMDevice(ctx context.Context, artIdx int) (tpmdetection.Type, error)
	GetTPMEventLog(ctx context.Context, artIdx int) (*tpmeventlog.TPMEventLog, error)
	GetPCR(ctx context.Context, artIdx int) ([]byte, uint32, error)
	GetMeasurementsFlow(ctx context.Context, inputIdx int) (types.BootFlow, error)
}

ArtifactsAccessor is a helper that unifies access to the input artifacts

func NewArtifactsAccessor

func NewArtifactsAccessor(
	artifacts []afas.Artifact,
	firmwaresAccessor FirmwaresAccessor,
) (ArtifactsAccessor, error)

NewArtifactsAccessor creates a new ArtifactsAccessor object

Is not re-usable between different calls of Analyze method!

type FirmwareImage

type FirmwareImage struct {
	Meta    models.FirmwareImageMetadata
	Content []byte
}

FirmwareImage combines firmware image metadata and data together.

type FirmwareImageFilename

type FirmwareImageFilename string

FirmwareImageFilename refers to the either firmware filename in the orig firmware table or one of the options below

type FirmwaresAccessor

type FirmwaresAccessor interface {
	GetByBlob(ctx context.Context, content []byte) (analysis.Blob, error)
	GetByID(ctx context.Context, imageID types.ImageID) (analysis.Blob, error)
	GetByVersion(ctx context.Context, firmwareVersion string) (analysis.Blob, error)
}

FirmwaresAccessor abstracts obtaining firmware image.

It provides an analysis.Blob given different data (in different methods).

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