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Makefile.linux
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Makefile.linux
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# Copyright (c) 2017, Cyberhaven
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
### Check that required variables are setup properly
LINUX_VERSION:=6.8.2
ifeq ("$(wildcard $(S2E_LINUX_KERNELS_ROOT)/linux-$(LINUX_VERSION)/config-i386)","")
$(error $(S2E_LINUX_KERNELS_ROOT)/linux-$(LINUX_VERSION)/config-i386 does not exist. Make sure S2E_LINUX_KERNELS_ROOT is set properly)
endif
### Provisioning the initial image ###
define COMMON_LINUX_IMAGE_TARGETS
$(OUTDIR)/$1: | $(OUTDIR)
$(TMPDIR)/$1: | $(TMPDIR)
mkdir -p "$$@"
$(TMPDIR)/$1/$1.iso: | $(TMPDIR)/$1
$(call INFO_MSG,[$$@] Downloading disk image...)
cd $(TMPDIR)/$1 && $(GET_ISO) $(call ISO_URL,$(1)) $$@
endef
# Debian-specific unattended installation
define TEMPLATE_BASE_DEBIAN_LINUX_IMAGE
$(TMPDIR)/$1/install_files.iso: $(TMPDIR)/$1/$1.iso $(SRC)/Linux/debian-12-bootcd/preseed.cfg $(SRC)/Linux/debian-12-bootcd/isolinux.cfg
$(call INFO_MSG,[$$@] Creating installation disk...)
rm -Rf $(TMPDIR)/$1/install_files && mkdir -p $(TMPDIR)/$1/install_files
7z x $(TMPDIR)/$1/$1.iso -o$(TMPDIR)/$1/install_files
cd $(TMPDIR)/$1 && chmod -R u+rwx install_files
cp "$(SRC)/Linux/debian-12-bootcd/preseed.cfg" "$(TMPDIR)/$1/install_files"
cp "$(SRC)/Linux/debian-12-bootcd/isolinux.cfg" "$(TMPDIR)/$1/install_files/isolinux/"
cp "$(SRC)/Linux/debian-12-bootcd/txt-$(call ARCH,$1).cfg" "$(TMPDIR)/$1/install_files/isolinux/txt.cfg"
cd $(TMPDIR)/$1/install_files && \
md5sum `find -follow -type f` > md5sum.txt
genisoimage -o "$$@" -r -J -no-emul-boot -boot-load-size 4 \
-boot-info-table -b isolinux/isolinux.bin -c isolinux/boot.cat "$(TMPDIR)/$1/install_files"
$(TMPDIR)/$1/image.raw: $(TMPDIR)/$1/install_files.iso
$(call INFO_MSG,[$$@] Creating disk image...)
$(QEMU_IMG) create -f raw $$@ $(call DISK_SIZE,$1)
$(call INFO_MSG,[$$@] Running initial setup...)
# Note: install the image using default KVM CPU because the stock
# kernel may not support the required CPU flags (e.g., pentium,-nommx).
# The custom S2E kernel will work though.
$(QEMU64) -m 4G -no-reboot $(GRAPHICS) $(QEMU_KVM) \
$(call QEMU_HD,0,$$@) \
-cdrom $(TMPDIR)/$1/install_files.iso \
-serial file:$(TMPDIR)/$1/serial.txt
endef
# Ubuntu-specific unattended installation
define TEMPLATE_BASE_UBUNTU_LINUX_IMAGE
$(TMPDIR)/$1/seed.iso: $(SRC)/Linux/ubuntu-preseed/user-data $(SRC)/Linux/ubuntu-preseed/meta-data
$(call INFO_MSG,[$$@] Creating installation disk...)
rm -Rf $(TMPDIR)/$1/install_files && mkdir -p $(TMPDIR)/$1/install_files
cloud-localds "$$@" $(SRC)/Linux/ubuntu-preseed/user-data $(SRC)/Linux/ubuntu-preseed/meta-data
$(TMPDIR)/$1/image.raw: $(TMPDIR)/$1/$1.iso $(TMPDIR)/$1/seed.iso
$(call INFO_MSG,[$$@] Creating disk image...)
$(QEMU_IMG) create -f raw $$@ $(call DISK_SIZE,$1)
rm -rf "$(TMPDIR)/$1/vmlinuz" "$(TMPDIR)/$1/initrd"
7z e "$(TMPDIR)/$1/$1.iso" "-o$(TMPDIR)/$1" vmlinuz initrd -r
$(call INFO_MSG,[$$@] Running initial setup...)
# Note: install the image using default KVM CPU because the stock
# kernel may not support the required CPU flags (e.g., pentium,-nommx).
# The custom S2E kernel will work though.
$(QEMU64) -m 4G -no-reboot $(GRAPHICS) $(QEMU_KVM) \
$(call QEMU_HD,0,$$@) \
$(call QEMU_CD,1,$(TMPDIR)/$1/$1.iso) \
$(call QEMU_CD,2,$(TMPDIR)/$1/seed.iso) \
-serial file:$(TMPDIR)/$1/serial.txt \
-kernel $(TMPDIR)/$1/vmlinuz \
-initrd $(TMPDIR)/$1/initrd \
-append autoinstall
endef
### Installing the kernel and S2E payload ###
define BUILD_S2E_IMAGE
$(OUTDIR)/$2$1/image.raw.s2e: $(TMPDIR)/$1/image.raw $(STAMPS)/$3 \
$(SRC)/Linux/s2e_home/launch.sh $(SRC)/Linux/s2e_home/.bash_login \
$(SRC)/Linux/override.conf
mkdir -p $$(shell dirname $$@)
cp --reflink=auto "$$<" "$$@"
$(call INFO_MSG,[$$@] Installing kernels...)
virt-copy-in -a "$$@" $(TMPDIR)/$3/*.deb /home/s2e
$(call INFO_MSG,[$$@] Installing payload...)
virt-copy-in -a "$$@" $(SRC)/Linux/s2e_home/launch.sh $(SRC)/Linux/s2e_home/.bash_login /home/s2e/
guestfish --rw -a "$$@" -i mkdir /etc/systemd/system/[email protected]/
virt-copy-in -a "$$@" $(SRC)/Linux/override.conf /etc/systemd/system/[email protected]/
$(call INFO_MSG,[$$@] Booting disk image...)
$(QEMU64) -m 8G -no-reboot $(GRAPHICS) $(QEMU_KVM) \
$(call QEMU_HD,0,$$@) -smp 4 \
-serial file:$(OUTDIR)/$2$1/serial.txt
virt-copy-in -a "$$@" $(S2E_INSTALL_ROOT)/bin/guest-tools32/* /home/s2e/
# This rule extracts all executable files from the guest image into the guestfs folder.
# This is useful for S2E plugins that need access to the binaries in order to extract
# information from them (e.g., import or export tables).
$(OUTDIR)/$2$1/guestfs: $(OUTDIR)/$2$1/image.raw.s2e
rm -Rf $$@ && mkdir -p $$@
$(call INFO_MSG,[$1] Extracting guestfs...)
@# First copy out all the files from the image
@# Unmount any previous folders (e.g., if interrupted)
-fusermount -u $(OUTDIR)/$2$1/imagefs
mkdir -p $(OUTDIR)/$2$1/imagefs
# TODO: rsync only executable files
cd $(OUTDIR)/$2$1 && trap 'fusermount -u imagefs && rmdir imagefs' EXIT && \
guestmount --ro -i --format=raw -a image.raw.s2e imagefs && \
rsync --links -rt --exclude '*.deb' imagefs/* guestfs
# Some files might not have read privileges, add them here
chmod -R u+r $(OUTDIR)/$2$1/guestfs
$(call OK_MSG,[$1] Guestfs extraction completed.)
# Copy the kernel that has debug info into the guestfs
$(OUTDIR)/$2$1/guestfs/vmlinux: $(OUTDIR)/$2$1/guestfs
cp "$(TMPDIR)/$3/"*/vmlinux "$$@"
endef
### Snapshot creation ###
define TAKE_SNAPSHOT
$(OUTDIR)/$2$1/image.raw.s2e.ready: $(OUTDIR)/$2$1/image.raw.s2e
$(call INFO_MSG,[$$@] Creating snapshot...)
LD_PRELOAD=$(call GETLIBS2E,$1) $(call GETQEMU,$1) -enable-kvm \
$(call QEMU_HD_S2E,0,$$<) \
-serial file:$(OUTDIR)/$2$1/serial_ready.txt -enable-serial-commands \
$(call QEMU_NIC,$(call NIC,$2$1)) $(call QEMU_CPU,$(call CPU,$2$1)) \
-m $(call SNAPSHOT_SIZE,$2$1) \
$(GRAPHICS)
$(OUTDIR)/$2$1/image.json: $(OUTDIR)/$2$1/image.raw.s2e.ready $(OUTDIR)/$2$1/guestfs $(OUTDIR)/$2$1/guestfs/vmlinux \
$(SRC)/images.json $(SRC)/scripts/generate_image_descriptor.py
$(call INFO_MSG,[$$@] Creating image descriptor...)
$(SRC)/scripts/generate_image_descriptor.py -i $(SRC)/images.json -o $$@ -n "$2$1" \
snapshot="ready" qemu_build="$(call ARCH,$2$1)" \
memory="$(call SNAPSHOT_SIZE,$2$1)" \
qemu_extra_flags="$(call QEMU_NIC,$(call NIC,$2$1)) $(call QEMU_CPU,$(call CPU,$2$1))"
endef
### Building Linux kernel ###
# This creates the base docker image inside which the kernel will be built
$(STAMPS)/linux-build-%: $(SRC)/Linux/docker/Dockerfile.i386 $(SRC)/Linux/docker/Dockerfile.x86_64
$(call INFO_MSG,[$@] Building docker image...)
mkdir -p $(STAMPS)
cd $(SRC)/Linux/docker && docker build -t linux-build-$(call ARCH,$@) -f Dockerfile.$(call ARCH,$@) .
touch $@
# Build the kernel
define TEMPLATE_LINUX_KERNEL
$(STAMPS)/$1-$2: $(STAMPS)/linux-build-$2 | $(TMPDIR)
$(call INFO_MSG,[$$@] Building kernel...)
rsync -a $(S2E_LINUX_KERNELS_ROOT)/$1 $(TMPDIR)/$1-$2
cd $(TMPDIR)/$1-$2/$1 && mv config-$2 .config
# Remove old builds
rm -rf $(TMPDIR)/$1-$2/*.deb
$(SRC)/Linux/docker/run-docker.sh $(SRC) $(S2E_LINUX_KERNELS_ROOT) linux-build-$2 \
$(TMPDIR)/$1-$2/$1 \
$(SRC)/Linux/docker/make-kernel.sh \
$(S2E_LINUX_KERNELS_ROOT)/include $(shell id -u) $(shell id -g)
touch $$@
endef
### Instantiating all build configurations ###
DEBIAN_IMAGES = debian-12.5-i386 debian-12.5-x86_64
UBUNTU_IMAGES = ubuntu-22.04-x86_64 ubuntu-24.04-x86_64
LINUX_IMAGES = $(DEBIAN_IMAGES) $(UBUNTU_IMAGES)
LINUX_ARCHIVES = $(addsuffix .tar.xz,$(addprefix $(OUTDIR)/,$(LINUX_IMAGES)))
$(foreach os,$(LINUX_IMAGES), \
$(eval $(call COMMON_LINUX_IMAGE_TARGETS,$(os))) \
)
$(foreach os,$(DEBIAN_IMAGES), \
$(eval $(call TEMPLATE_BASE_DEBIAN_LINUX_IMAGE,$(os))) \
$(eval $(call IMAGE_RULE,$(os))) \
)
$(foreach os,$(UBUNTU_IMAGES), \
$(eval $(call TEMPLATE_BASE_UBUNTU_LINUX_IMAGE,$(os))) \
$(eval $(call IMAGE_RULE,$(os))) \
)
# Rules for building the kernels
$(eval $(call TEMPLATE_LINUX_KERNEL,linux-$(LINUX_VERSION),i386))
$(eval $(call TEMPLATE_LINUX_KERNEL,linux-$(LINUX_VERSION),x86_64))
# Rules for building different images
$(eval $(call BUILD_S2E_IMAGE,debian-12.5-i386,,linux-$(LINUX_VERSION)-i386))
$(eval $(call TAKE_SNAPSHOT,debian-12.5-i386,))
$(eval $(call BUILD_S2E_IMAGE,debian-12.5-x86_64,,linux-$(LINUX_VERSION)-x86_64))
$(eval $(call TAKE_SNAPSHOT,debian-12.5-x86_64,))
$(eval $(call BUILD_S2E_IMAGE,ubuntu-22.04-x86_64,,linux-$(LINUX_VERSION)-x86_64))
$(eval $(call TAKE_SNAPSHOT,ubuntu-22.04-x86_64,))
$(eval $(call BUILD_S2E_IMAGE,ubuntu-24.04-x86_64,,linux-$(LINUX_VERSION)-x86_64))
$(eval $(call TAKE_SNAPSHOT,ubuntu-24.04-x86_64,))
### Top level rules ###
linux: $(LINUX_IMAGES)
linux_archives: $(LINUX_ARCHIVES)
all-kernels: $(STAMPS)/linux-$(LINUX_VERSION)-i386 $(STAMPS)/linux-$(LINUX_VERSION)-x86_64