| Message ID | 1461696721-3001-1-git-send-email-bpoirier@suse.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, 26 Apr 2016 11:52:01 -0700 Benjamin Poirier <bpoirier@suse.com> wrote: > When using `make localmodconfig` and friends, if the input config comes > from a kernel that was built in a different environment (for example, the > canonical case of using localmodconfig to trim a distribution kernel > config) the key files for module signature checking will not be available > and should be regenerated or omitted. Otherwise, the user will be faced > with annoying errors when trying to build with the generated .config: > > make[1]: *** No rule to make target 'keyring.crt', needed by 'certs/x509_certificate_list'. Stop. > Makefile:1576: recipe for target 'certs/' failed > > Signed-off-by: Benjamin Poirier <bpoirier@suse.com> Applied, thanks! -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index 01b53ec..95a6f2b 100755 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -610,6 +610,40 @@ foreach my $line (@config_file) { next; } + if (/CONFIG_MODULE_SIG_KEY="(.+)"/) { + my $orig_cert = $1; + my $default_cert = "certs/signing_key.pem"; + + # Check that the logic in this script still matches the one in Kconfig + if (!defined($depends{"MODULE_SIG_KEY"}) || + $depends{"MODULE_SIG_KEY"} !~ /"\Q$default_cert\E"/) { + print STDERR "WARNING: MODULE_SIG_KEY assertion failure, ", + "update needed to ", __FILE__, " line ", __LINE__, "\n"; + print; + } elsif ($orig_cert ne $default_cert && ! -f $orig_cert) { + print STDERR "Module signature verification enabled but ", + "module signing key \"$orig_cert\" not found. Resetting ", + "signing key to default value.\n"; + print "CONFIG_MODULE_SIG_KEY=\"$default_cert\"\n"; + } else { + print; + } + next; + } + + if (/CONFIG_SYSTEM_TRUSTED_KEYS="(.+)"/) { + my $orig_keys = $1; + + if (! -f $orig_keys) { + print STDERR "System keyring enabled but keys \"$orig_keys\" ", + "not found. Resetting keys to default value.\n"; + print "CONFIG_SYSTEM_TRUSTED_KEYS=\"\"\n"; + } else { + print; + } + next; + } + if (/^(CONFIG.*)=(m|y)/) { if (defined($configs{$1})) { if ($localyesconfig) {
When using `make localmodconfig` and friends, if the input config comes from a kernel that was built in a different environment (for example, the canonical case of using localmodconfig to trim a distribution kernel config) the key files for module signature checking will not be available and should be regenerated or omitted. Otherwise, the user will be faced with annoying errors when trying to build with the generated .config: make[1]: *** No rule to make target 'keyring.crt', needed by 'certs/x509_certificate_list'. Stop. Makefile:1576: recipe for target 'certs/' failed Signed-off-by: Benjamin Poirier <bpoirier@suse.com> --- scripts/kconfig/streamline_config.pl | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+)