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5f9e4730f1
Also split out the firmware parsing to an object so we can check the firmware using firmware-parse and also fuzz it. See also: https://github.com/fwupd/fwupd/issues/1665
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/*
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* Copyright (C) 2021 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include "config.h"
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#include "fu-common.h"
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#include "fu-synaptics-mst-connection.h"
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#include "fu-synaptics-mst-firmware.h"
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struct _FuSynapticsMstFirmware {
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FuFirmwareClass parent_instance;
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guint16 board_id;
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};
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G_DEFINE_TYPE (FuSynapticsMstFirmware, fu_synaptics_mst_firmware, FU_TYPE_FIRMWARE)
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guint16
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fu_synaptics_mst_firmware_get_board_id (FuSynapticsMstFirmware *self)
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{
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g_return_val_if_fail (FU_IS_SYNAPTICS_MST_FIRMWARE (self), 0);
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return self->board_id;
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}
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static void
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fu_synaptics_mst_firmware_to_string (FuFirmware *firmware, guint idt, GString *str)
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{
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FuSynapticsMstFirmware *self = FU_SYNAPTICS_MST_FIRMWARE (firmware);
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fu_common_string_append_kx (str, idt, "BoardId", self->board_id);
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}
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static gboolean
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fu_synaptics_mst_firmware_parse (FuFirmware *firmware,
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GBytes *fw,
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guint64 addr_start,
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guint64 addr_end,
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FwupdInstallFlags flags,
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GError **error)
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{
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FuSynapticsMstFirmware *self = FU_SYNAPTICS_MST_FIRMWARE (firmware);
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const guint8 *buf;
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gsize bufsz;
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g_autoptr(FuFirmwareImage) img = fu_firmware_image_new (fw);
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buf = g_bytes_get_data (fw, &bufsz);
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if (!fu_common_read_uint16_safe (buf, bufsz, ADDR_CUSTOMER_ID,
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&self->board_id, G_BIG_ENDIAN,
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error))
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return FALSE;
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fu_firmware_add_image (firmware, img);
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return TRUE;
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}
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static void
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fu_synaptics_mst_firmware_init (FuSynapticsMstFirmware *self)
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{
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}
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static void
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fu_synaptics_mst_firmware_class_init (FuSynapticsMstFirmwareClass *klass)
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{
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FuFirmwareClass *klass_firmware = FU_FIRMWARE_CLASS (klass);
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klass_firmware->parse = fu_synaptics_mst_firmware_parse;
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klass_firmware->to_string = fu_synaptics_mst_firmware_to_string;
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}
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FuFirmware *
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fu_synaptics_mst_firmware_new (void)
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{
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return FU_FIRMWARE (g_object_new (FU_TYPE_SYNAPTICS_MST_FIRMWARE, NULL));
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}
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