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authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-10 20:40:41 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-10 20:40:41 +0300
commit0af5cb349a2c97fbabb3cede96efcde9d54b7940 (patch)
tree16a7f2c4eac7d06fab0139d27aa99f5ddef6605f /certs
parentd4252071b97d2027d246f6a82cbee4d52f618b47 (diff)
parent672fb6740cbfde34f4d367ffa3c939b608a927e1 (diff)
downloadlinux-0af5cb349a2c97fbabb3cede96efcde9d54b7940.tar.xz
Merge tag 'kbuild-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada: - Remove the support for -O3 (CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3) - Fix error of rpm-pkg cross-builds - Support riscv for checkstack tool - Re-enable -Wformwat warnings for Clang - Clean up modpost, Makefiles, and misc scripts * tag 'kbuild-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (30 commits) modpost: remove .symbol_white_list field entirely modpost: remove unneeded .symbol_white_list initializers modpost: add PATTERNS() helper macro modpost: shorten warning messages in report_sec_mismatch() Revert "Kbuild, lto, workaround: Don't warn for initcall_reference in modpost" modpost: use more reliable way to get fromsec in section_rel(a)() modpost: add array range check to sec_name() modpost: refactor get_secindex() kbuild: set EXIT trap before creating temporary directory modpost: remove unused Elf_Sword macro Makefile.extrawarn: re-enable -Wformat for clang kbuild: add dtbs_prepare target kconfig: Qt5: tell the user which packages are required modpost: use sym_get_data() to get module device_table data modpost: drop executable ELF support checkstack: add riscv support for scripts/checkstack.pl kconfig: shorten the temporary directory name for cc-option scripts: headers_install.sh: Update config leak ignore entries kbuild: error out if $(INSTALL_MOD_PATH) contains % or : kbuild: error out if $(KBUILD_EXTMOD) contains % or : ...
Diffstat (limited to 'certs')
-rw-r--r--certs/Makefile14
-rw-r--r--certs/blacklist_hashes.c1
-rw-r--r--certs/blacklist_nohashes.c6
-rwxr-xr-xcerts/check-blacklist-hashes.awk37
4 files changed, 43 insertions, 15 deletions
diff --git a/certs/Makefile b/certs/Makefile
index 88a73b28d254..9486ed924731 100644
--- a/certs/Makefile
+++ b/certs/Makefile
@@ -4,24 +4,22 @@
#
obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o
-obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o
+obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o blacklist_hashes.o
obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o
-ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),)
$(obj)/blacklist_hashes.o: $(obj)/blacklist_hash_list
CFLAGS_blacklist_hashes.o := -I $(obj)
quiet_cmd_check_and_copy_blacklist_hash_list = GEN $@
cmd_check_and_copy_blacklist_hash_list = \
- $(AWK) -f $(srctree)/scripts/check-blacklist-hashes.awk $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) >&2; \
- cat $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) > $@
+ $(if $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST), \
+ $(AWK) -f $(srctree)/$(src)/check-blacklist-hashes.awk $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) >&2; \
+ { cat $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST); echo $(comma) NULL; } > $@, \
+ echo NULL > $@)
$(obj)/blacklist_hash_list: $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) FORCE
$(call if_changed,check_and_copy_blacklist_hash_list)
-obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o
-else
-obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o
-endif
+
targets += blacklist_hash_list
quiet_cmd_extract_certs = CERT $@
diff --git a/certs/blacklist_hashes.c b/certs/blacklist_hashes.c
index 86d66fe11348..0c5476abebd9 100644
--- a/certs/blacklist_hashes.c
+++ b/certs/blacklist_hashes.c
@@ -3,5 +3,4 @@
const char __initconst *const blacklist_hashes[] = {
#include "blacklist_hash_list"
- , NULL
};
diff --git a/certs/blacklist_nohashes.c b/certs/blacklist_nohashes.c
deleted file mode 100644
index 753b703ef0ef..000000000000
--- a/certs/blacklist_nohashes.c
+++ /dev/null
@@ -1,6 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include "blacklist.h"
-
-const char __initconst *const blacklist_hashes[] = {
- NULL
-};
diff --git a/certs/check-blacklist-hashes.awk b/certs/check-blacklist-hashes.awk
new file mode 100755
index 000000000000..107c1d3204d4
--- /dev/null
+++ b/certs/check-blacklist-hashes.awk
@@ -0,0 +1,37 @@
+#!/usr/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright © 2020, Microsoft Corporation. All rights reserved.
+#
+# Author: Mickaël Salaün <mic@linux.microsoft.com>
+#
+# Check that a CONFIG_SYSTEM_BLACKLIST_HASH_LIST file contains a valid array of
+# hash strings. Such string must start with a prefix ("tbs" or "bin"), then a
+# colon (":"), and finally an even number of hexadecimal lowercase characters
+# (up to 128).
+
+BEGIN {
+ RS = ","
+}
+{
+ if (!match($0, "^[ \t\n\r]*\"([^\"]*)\"[ \t\n\r]*$", part1)) {
+ print "Not a string (item " NR "):", $0;
+ exit 1;
+ }
+ if (!match(part1[1], "^(tbs|bin):(.*)$", part2)) {
+ print "Unknown prefix (item " NR "):", part1[1];
+ exit 1;
+ }
+ if (!match(part2[2], "^([0-9a-f]+)$", part3)) {
+ print "Not a lowercase hexadecimal string (item " NR "):", part2[2];
+ exit 1;
+ }
+ if (length(part3[1]) > 128) {
+ print "Hash string too long (item " NR "):", part3[1];
+ exit 1;
+ }
+ if (length(part3[1]) % 2 == 1) {
+ print "Not an even number of hexadecimal characters (item " NR "):", part3[1];
+ exit 1;
+ }
+}