mirror of
https://git.proxmox.com/git/fwupd
synced 2025-05-18 02:11:08 +00:00
26d3da4074
It seems some older versions of libefi var incorrectly build the 'length' value
in the DP returned from efi_generate_file_device_path(). This means we copy past
the end of the allocated buffer when parsing the efi_update_info_t structure.
This bug seems fixed in efivar git master, and this fix is only going to help
people with older efivar versions. It's probably a good thing to be a bit more
paranoid about EFI variable data anyway.
DEBUG: UpdateInfo:
? 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f
????????????????????????????????????????????????????????????????????????????????????????????????????????
0x0000 ? 07 00 00 00 20 d9 7b 69 cf 12 a9 4d 83 85 99 69 09 bc 65 59 00 00 05 00 00 00 00 00 00 00 00 00
0x0020 ? 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 04 01 2a 00 01 00 00 00 00 08 00 00
0x0040 ? 00 00 00 00 00 40 06 00 00 00 00 00 5a aa 97 5a 10 d5 7e 49 99 0b ca 8d 35 4d c8 6d 02 02 04 04
0x0060 ? 86 00 5c 00 45 00 46 00 49 00 5c 00 66 00 65 00 64 00 6f 00 72 00 61 00 5c 00 66 00 77 00 5c 00
0x0080 ? 66 00 77 00 75 00 70 00 64 00 2d 00 36 00 39 00 37 00 62 00 64 00 39 00 32 00 30 00 2d 00 31 00
0x00a0 ? 32 00 63 00 66 00 2d 00 34 00 64 00 61 00 39 00 2d 00 38 00 33 00 38 00 35 00 2d 00 39 00 39 00
0x00c0 ? 36 00 39 00 30 00 39 00 62 00 63 00 36 00 35 00 35 00 39 00 2e 00 63 00 61 00 70 00 00 00 7f ff
0x00e0 ? 04 00
DEBUG: DP type:0x04 subtype:0x01 size:0x002a
DEBUG: DP type:0x04 subtype:0x04 size:0x0086
DEBUG: found END_ENTIRE at 0x00aa
DEBUG: DP length invalid! Truncating from 0x0086 to 0x0080
DEBUG: DP type:0x7f subtype:0xff size:0x0004
122 lines
2.4 KiB
Meson
122 lines
2.4 KiB
Meson
subdir('efi')
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cargs = ['-DG_LOG_DOMAIN="FuPluginUefi"']
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efi_os_dir = get_option('efi_os_dir')
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if efi_os_dir != ''
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cargs += '-DEFI_OS_DIR="' + efi_os_dir + '"'
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endif
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install_data(['uefi.quirk'],
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install_dir: join_paths(datadir, 'fwupd', 'quirks.d')
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)
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shared_module('fu_plugin_uefi',
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fu_hash,
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sources : [
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'fu-plugin-uefi.c',
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'fu-uefi-bgrt.c',
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'fu-ucs2.c',
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'fu-uefi-bootmgr.c',
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'fu-uefi-common.c',
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'fu-uefi-device.c',
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'fu-uefi-devpath.c',
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'fu-uefi-pcrs.c',
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'fu-uefi-update-info.c',
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'fu-uefi-vars.c',
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],
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include_directories : [
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include_directories('../..'),
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include_directories('../../src'),
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include_directories('../../libfwupd'),
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],
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install : true,
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install_dir: plugin_dir,
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link_with : [
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libfwupdprivate,
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],
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c_args : cargs,
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dependencies : [
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plugin_deps,
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efivar,
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efiboot,
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],
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)
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executable(
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'fwupdate',
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resources_src,
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fu_hash,
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sources : [
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'fu-uefi-tool.c',
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'fu-uefi-bgrt.c',
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'fu-ucs2.c',
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'fu-uefi-bootmgr.c',
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'fu-uefi-common.c',
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'fu-uefi-device.c',
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'fu-uefi-devpath.c',
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'fu-uefi-pcrs.c',
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'fu-uefi-update-info.c',
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'fu-uefi-vars.c',
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],
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include_directories : [
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include_directories('../..'),
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include_directories('../../src'),
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include_directories('../../libfwupd'),
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],
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dependencies : [
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libxmlb,
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giounix,
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gusb,
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gudev,
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efivar,
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efiboot,
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],
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link_with : [
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libfwupdprivate,
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],
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install : true,
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install_dir : join_paths(libexecdir, 'fwupd'),
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c_args : cargs,
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)
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install_data(['uefi.conf'],
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install_dir: join_paths(sysconfdir, 'fwupd')
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)
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if get_option('tests')
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testdatadir = join_paths(meson.current_source_dir(), 'tests')
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cargs += '-DTESTDATADIR="' + testdatadir + '"'
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e = executable(
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'uefi-self-test',
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fu_hash,
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sources : [
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'fu-self-test.c',
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'fu-uefi-bgrt.c',
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'fu-uefi-bootmgr.c',
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'fu-uefi-common.c',
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'fu-uefi-device.c',
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'fu-uefi-devpath.c',
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'fu-uefi-pcrs.c',
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'fu-uefi-update-info.c',
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'fu-uefi-vars.c',
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'fu-ucs2.c',
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],
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include_directories : [
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include_directories('../..'),
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include_directories('../../src'),
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include_directories('../../libfwupd'),
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],
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dependencies : [
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plugin_deps,
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efivar,
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efiboot,
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],
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link_with : [
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libfwupdprivate,
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],
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c_args : cargs
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)
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test('uefi-self-test', e)
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endif
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