linux-kernel - [PATCH 1/2] certs: Fix build error when PKCS#11 URI contains semicolon

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Date:   Mon, 30 Jan 2023 15:15:52 +0100
From:   Jan Luebbe <jlu@...gutronix.de>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Jan Luebbe <jlu@...gutronix.de>,
        David Howells <dhowells@...hat.com>,
        David Woodhouse <dwmw2@...radead.org>,
        keyrings@...r.kernel.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de
Subject: [PATCH 1/2] certs: Fix build error when PKCS#11 URI contains semicolon

When CONFIG_MODULE_SIG_KEY is PKCS#11 URI (pkcs11:*) and contains a
semicolon, signing_key.x509 fails to build:

  certs/extract-cert pkcs11:token=foo;object=bar;pin-value=1111 certs/signing_key.x509
  Usage: extract-cert <source> <dest>

Add quotes to the PKCS11_URI variable to avoid splitting by the shell.

Fixes: 129ab0d2d9f3 ("kbuild: do not quote string values in include/config/auto.conf")
Signed-off-by: Jan Luebbe <jlu@...gutronix.de>
---
 certs/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/certs/Makefile b/certs/Makefile
index 9486ed924731..cda21811ed88 100644
--- a/certs/Makefile
+++ b/certs/Makefile
@@ -67,7 +67,7 @@ $(obj)/system_certificates.o: $(obj)/signing_key.x509
 
 PKCS11_URI := $(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY))
 ifdef PKCS11_URI
-$(obj)/signing_key.x509: extract-cert-in := $(PKCS11_URI)
+$(obj)/signing_key.x509: extract-cert-in := "$(PKCS11_URI)"
 endif
 
 $(obj)/signing_key.x509: $(filter-out $(PKCS11_URI),$(CONFIG_MODULE_SIG_KEY)) $(obj)/extract-cert FORCE
-- 
2.30.2