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https://github.com/freebsd/freebsd-src
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b0fefb25c5
The current approach of injecting manifest into mac_veriexec is to verify the integrity of it in userspace (veriexec (8)) and pass its entries into kernel using a char device (/dev/veriexec). This requires verifying root partition integrity in loader, for example by using memory disk and checking its hash. Otherwise if rootfs is compromised an attacker could inject their own data. This patch introduces an option to parse manifest in kernel based on envs. The loader sets manifest path and digest. EVENTHANDLER is used to launch the module right after the rootfs is mounted. It has to be done this way, since one might want to verify integrity of the init file. This means that manifest is required to be present on the root partition. Note that the envs have to be set right before boot to make sure that no one can spoof them. Submitted by: Kornel Duleba <mindal@semihalf.com> Reviewed by: sjg Obtained from: Semihalf Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D19281
179 lines
3.9 KiB
Makefile
179 lines
3.9 KiB
Makefile
# $FreeBSD$
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.PATH: ${LDRSRC} ${BOOTSRC}/libsa
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CFLAGS+=-I${LDRSRC}
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SRCS+= boot.c commands.c console.c devopen.c interp.c
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SRCS+= interp_backslash.c interp_parse.c ls.c misc.c
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SRCS+= module.c
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.if ${MACHINE} == "i386" || ${MACHINE_CPUARCH} == "amd64"
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SRCS+= load_elf32.c load_elf32_obj.c reloc_elf32.c
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SRCS+= load_elf64.c load_elf64_obj.c reloc_elf64.c
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.elif ${MACHINE_CPUARCH} == "aarch64"
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SRCS+= load_elf64.c reloc_elf64.c
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.elif ${MACHINE_CPUARCH} == "arm"
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SRCS+= load_elf32.c reloc_elf32.c
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.elif ${MACHINE_CPUARCH} == "powerpc"
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SRCS+= load_elf32.c reloc_elf32.c
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SRCS+= load_elf64.c reloc_elf64.c
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SRCS+= metadata.c
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.elif ${MACHINE_CPUARCH} == "sparc64"
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SRCS+= load_elf64.c reloc_elf64.c
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SRCS+= metadata.c
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.elif ${MACHINE_ARCH:Mmips64*} != ""
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SRCS+= load_elf64.c reloc_elf64.c
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SRCS+= metadata.c
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.elif ${MACHINE} == "mips"
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SRCS+= load_elf32.c reloc_elf32.c
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SRCS+= metadata.c
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.endif
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.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
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SRCS+= disk.c part.c
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.endif
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.if ${LOADER_NET_SUPPORT:Uno} == "yes"
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SRCS+= dev_net.c
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.endif
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.if defined(HAVE_BCACHE)
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SRCS+= bcache.c
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.endif
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.if defined(MD_IMAGE_SIZE)
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CFLAGS+= -DMD_IMAGE_SIZE=${MD_IMAGE_SIZE}
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SRCS+= md.c
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.else
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CLEANFILES+= md.o
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.endif
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# Machine-independant ISA PnP
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.if defined(HAVE_ISABUS)
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SRCS+= isapnp.c
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.endif
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.if defined(HAVE_PNP)
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SRCS+= pnp.c
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.endif
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.if ${LOADER_INTERP} == "lua"
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SRCS+= interp_lua.c
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.include "${BOOTSRC}/lua.mk"
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LDR_INTERP= ${LIBLUA}
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LDR_INTERP32= ${LIBLUA32}
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.elif ${LOADER_INTERP} == "4th"
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SRCS+= interp_forth.c
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.include "${BOOTSRC}/ficl.mk"
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LDR_INTERP= ${LIBFICL}
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LDR_INTERP32= ${LIBFICL32}
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.elif ${LOADER_INTERP} == "simp"
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SRCS+= interp_simple.c
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.else
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.error Unknown interpreter ${LOADER_INTERP}
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.endif
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.if ${MK_LOADER_VERIEXEC} != "no"
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CFLAGS+= -DLOADER_VERIEXEC -I${SRCTOP}/lib/libsecureboot/h
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.endif
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.if ${MK_LOADER_VERIEXEC_PASS_MANIFEST} != "no"
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CFLAGS+= -DLOADER_VERIEXEC_PASS_MANIFEST -I${SRCTOP}/lib/libsecureboot/h
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.endif
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.if defined(BOOT_PROMPT_123)
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CFLAGS+= -DBOOT_PROMPT_123
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.endif
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.if defined(LOADER_INSTALL_SUPPORT)
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SRCS+= install.c
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.endif
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# Filesystem support
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.if ${LOADER_CD9660_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_CD9660_SUPPORT
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.endif
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.if ${LOADER_EXT2FS_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_EXT2FS_SUPPORT
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.endif
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.if ${LOADER_MSDOS_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_MSDOS_SUPPORT
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.endif
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.if ${LOADER_NANDFS_SUPPORT:U${MK_NAND}} == "yes"
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CFLAGS+= -DLOADER_NANDFS_SUPPORT
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.endif
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.if ${LOADER_UFS_SUPPORT:Uyes} == "yes"
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CFLAGS+= -DLOADER_UFS_SUPPORT
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.endif
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# Compression
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.if ${LOADER_GZIP_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_GZIP_SUPPORT
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.endif
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.if ${LOADER_BZIP2_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_BZIP2_SUPPORT
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.endif
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# Network related things
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.if ${LOADER_NET_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_NET_SUPPORT
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.endif
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.if ${LOADER_NFS_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_NFS_SUPPORT
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.endif
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.if ${LOADER_TFTP_SUPPORT:Uno} == "yes"
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CFLAGS+= -DLOADER_TFTP_SUPPORT
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.endif
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# Partition support
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.if ${LOADER_GPT_SUPPORT:Uyes} == "yes"
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CFLAGS+= -DLOADER_GPT_SUPPORT
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.endif
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.if ${LOADER_MBR_SUPPORT:Uyes} == "yes"
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CFLAGS+= -DLOADER_MBR_SUPPORT
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.endif
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.if ${HAVE_ZFS:Uno} == "yes"
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CFLAGS+= -DLOADER_ZFS_SUPPORT
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CFLAGS+= -I${ZFSSRC}
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CFLAGS+= -I${SYSDIR}/cddl/boot/zfs
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SRCS+= zfs_cmd.c
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.endif
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LIBFICL= ${BOOTOBJ}/ficl/libficl.a
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.if ${MACHINE} == "i386"
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LIBFICL32= ${LIBFICL}
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.else
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LIBFICL32= ${BOOTOBJ}/ficl32/libficl.a
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.endif
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LIBLUA= ${BOOTOBJ}/liblua/liblua.a
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.if ${MACHINE} == "i386"
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LIBLUA32= ${LIBLUA}
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.else
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LIBLUA32= ${BOOTOBJ}/liblua32/liblua.a
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.endif
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CLEANFILES+= vers.c
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VERSION_FILE?= ${.CURDIR}/version
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.if ${MK_REPRODUCIBLE_BUILD} != no
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REPRO_FLAG= -r
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.endif
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vers.c: ${LDRSRC}/newvers.sh ${VERSION_FILE}
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sh ${LDRSRC}/newvers.sh ${REPRO_FLAG} ${VERSION_FILE} \
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${NEWVERSWHAT}
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.if ${MK_LOADER_VERBOSE} != "no"
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CFLAGS+= -DELF_VERBOSE
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.endif
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.if !empty(HELP_FILES)
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HELP_FILES+= ${LDRSRC}/help.common
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CLEANFILES+= loader.help
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FILES+= loader.help
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loader.help: ${HELP_FILES}
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cat ${HELP_FILES} | awk -f ${LDRSRC}/merge_help.awk > ${.TARGET}
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.endif
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