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50daa904f9
tpm2-tools is able to log pcap files of TPM2 commands, which can be inspected with wireshark. Add CONFIG_TPM2_CAPTURE_PCAP to capture these from the tpmr wrapper, and enable for qemu TPM2 boards. Signed-off-by: Jonathon Hall <jonathon.hall@puri.sm>
164 lines
5.2 KiB
Makefile
164 lines
5.2 KiB
Makefile
# Configuration for building a coreboot ROM that works in
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# the qemu emulator in graphical mode thanks to FBWhiptail
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# This version requires a supported HOTP Security dongle (Nitrokey Pro/Storage or Librem Key)
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#
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# TPM can be used with a qemu software TPM (TIS, 2.0).
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export CONFIG_COREBOOT=y
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export CONFIG_COREBOOT_VERSION=4.13
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export CONFIG_LINUX_VERSION=5.10.5
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#Enable DEBUG output
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export CONFIG_DEBUG_OUTPUT=y
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export CONFIG_ENABLE_FUNCTION_TRACING_OUTPUT=y
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CONFIG_COREBOOT_CONFIG=config/coreboot-qemu-tpm2.config
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CONFIG_LINUX_CONFIG=config/linux-qemu.config
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ifeq "$(CONFIG_UROOT)" "y"
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CONFIG_BUSYBOX=n
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else
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CONFIG_KEXEC=y
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CONFIG_QRENCODE=y
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CONFIG_TPMTOTP=y
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CONFIG_POPT=y
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CONFIG_FLASHTOOLS=y
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CONFIG_FLASHROM=y
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CONFIG_PCIUTILS=y
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CONFIG_UTIL_LINUX=y
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CONFIG_CRYPTSETUP2=y
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CONFIG_GPG2=y
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CONFIG_LVM2=y
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CONFIG_MBEDTLS=y
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CONFIG_DROPBEAR=y
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CONFIG_MSRTOOLS=y
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CONFIG_HOTPKEY=y
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#Uncomment only one of the following block
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#Required for graphical gui-init (FBWhiptail)
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CONFIG_CAIRO=y
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CONFIG_FBWHIPTAIL=y
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#
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#text-based init (generic-init and gui-init)
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#CONFIG_NEWT=y
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#CONFIG_SLANG=y
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endif
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export CONFIG_LINUX_USB_COMPANION_CONTROLLER=y
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CONFIG_LINUX_USB=y
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CONFIG_LINUX_E1000=y
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#Uncomment only one BOOTSCRIPT:
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#Whiptail-based init (text-based or FBWhiptail)
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export CONFIG_BOOTSCRIPT=/bin/gui-init
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#
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#text-based original init:
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#export CONFIG_BOOTSCRIPT=/bin/generic-init
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export CONFIG_BOOT_REQ_HASH=n
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export CONFIG_BOOT_REQ_ROLLBACK=n
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export CONFIG_BOOT_RECOVERY_SERIAL="/dev/ttyS0"
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export CONFIG_BOOT_KERNEL_ADD="console=ttyS0 console=tty systemd.zram=0"
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export CONFIG_BOOT_KERNEL_REMOVE="quiet rhgb splash"
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#TPM2 requirements
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export CONFIG_TPM2_TOOLS=y
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export CONFIG_PRIMARY_KEY_TYPE=ecc
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export CONFIG_TPM2_CAPTURE_PCAP=y
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CONFIG_TPM2_TSS=y
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CONFIG_OPENSSL=y
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export CONFIG_BOOT_DEV="/dev/vda1"
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export CONFIG_BOARD_NAME="qemu-coreboot-fbwhiptail-tpm2-hotp"
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# Use the GPG-injected ROM if a key was given, since we can't reflash a GPG
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# keyring in QEMU. Otherwise use the plain ROM, some things can still be tested
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# that way without a GPG key.
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ifneq "$(PUBKEY_ASC)" ""
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QEMU_BOOT_ROM := $(build)/$(BOARD)/$(CB_OUTPUT_FILE_GPG_INJ)
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else
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QEMU_BOOT_ROM := $(build)/$(BOARD)/$(CB_OUTPUT_FILE)
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endif
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#borrowed from https://github.com/orangecms/webboot/blob/boot-via-qemu/run-webboot.sh
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TPMDIR=$(build)/$(BOARD)/vtpm
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$(TPMDIR)/.manufacture:
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mkdir -p "$(TPMDIR)"
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swtpm_setup --create-config-files skip-if-exist
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swtpm_setup --tpm-state "$(TPMDIR)" --create-platform-cert --lock-nvram --tpm2
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touch "$(TPMDIR)/.manufacture"
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ROOT_DISK_IMG=$(build)/$(BOARD)/root.qcow2
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# Default to 20G disk
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QEMU_DISK_SIZE?=20G
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$(ROOT_DISK_IMG):
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qemu-img create -f qcow2 "$(ROOT_DISK_IMG)" $(QEMU_DISK_SIZE)
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# Remember the amount of memory so it doesn't have to be specified every time.
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# Default to 4G, most bootable OSes are not usable with less.
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QEMU_MEMORY_SIZE?=4G
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MEMORY_SIZE_FILE=$(build)/$(BOARD)/memory
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$(MEMORY_SIZE_FILE):
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@echo "$(QEMU_MEMORY_SIZE)" >"$(MEMORY_SIZE_FILE)"
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USB_FD_IMG=$(build)/$(BOARD)/usb_fd.raw
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$(USB_FD_IMG):
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dd if=/dev/zero bs=1M of="$(USB_FD_IMG)" bs=1M count=128
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# Debian obnoxiously does not include /usr/sbin in PATH for non-root, even
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# though it is meaningful to use mkfs.vfat (etc.) as non-root
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MKFS_VFAT=mkfs.vfat; \
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[ -x /usr/sbin/mkfs.vfat ] && MKFS_VFAT=/usr/sbin/mkfs.vfat; \
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"$$MKFS_VFAT" "$(USB_FD_IMG)"
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# Pass INSTALL_IMG=<path_to_img.iso> to attach an installer as a USB flash drive instead
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# of the temporary flash drive for exporting GPG keys.
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ifneq "$(INSTALL_IMG)" ""
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QEMU_USB_FD_IMG := $(INSTALL_IMG)
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else
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QEMU_USB_FD_IMG := $(USB_FD_IMG)
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endif
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# To forward a USB token, set USB_TOKEN to one of the following:
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# - NitrokeyPro - forwards a Nitrokey Pro by VID:PID
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# - LibremKey - forwards a Librem Key by VID:PID
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# - <other> - Provide the QEMU usb-host parameters, such as
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# 'hostbus=<#>,hostport=<#>' or 'vendorid=<#>,productid=<#>'
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ifeq "$(USB_TOKEN)" "NitrokeyPro"
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QEMU_USB_TOKEN_DEV := -device usb-host,vendorid=8352,productid=16648
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else ifeq "$(USB_TOKEN)" "NitrokeyStorage"
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QEMU_USB_TOKEN_DEV := -device usb-host,vendorid=8352,productid=16649
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else ifeq "$(USB_TOKEN)" "Nitrokey3NFC"
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QEMU_USB_TOKEN_DEV := -device usb-host,vendorid=8352,productid=17074
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else ifeq "$(USB_TOKEN)" "LibremKey"
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QEMU_USB_TOKEN_DEV := -device usb-host,vendorid=12653,productid=19531
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else ifneq "$(USB_TOKEN)" ""
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QEMU_USB_TOKEN_DEV := -device "usb-host,$(USB_TOKEN)"
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endif
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run: $(TPMDIR)/.manufacture $(ROOT_DISK_IMG) $(MEMORY_SIZE_FILE) $(USB_FD_IMG)
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swtpm socket \
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--tpm2 \
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--tpmstate dir="$(TPMDIR)" \
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--flags "startup-clear" \
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--terminate \
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--ctrl type=unixio,path="$(TPMDIR)/sock" &
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sleep 0.5
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-qemu-system-x86_64 -drive file="$(ROOT_DISK_IMG)",if=virtio \
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--machine q35,accel=kvm:tcg \
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-rtc base=utc \
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-smp "$$(nproc)" \
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-vga virtio \
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-full-screen \
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-m "$$(cat "$(MEMORY_SIZE_FILE)")" \
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-serial stdio \
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--bios "$(QEMU_BOOT_ROM)" \
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-object rng-random,filename=/dev/urandom,id=rng0 \
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-device virtio-rng-pci,rng=rng0 \
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-netdev user,id=u1 -device e1000,netdev=u1 \
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-chardev socket,id=chrtpm,path="$(TPMDIR)/sock" \
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-tpmdev emulator,id=tpm0,chardev=chrtpm \
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-device tpm-tis,tpmdev=tpm0 \
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-device qemu-xhci,id=usb \
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-device usb-tablet \
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-drive file="$(QEMU_USB_FD_IMG)",if=none,id=usb-fd-drive,format=raw \
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-device usb-storage,bus=usb.0,drive=usb-fd-drive \
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$(QEMU_USB_TOKEN_DEV) \
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stty sane
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@echo
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