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package/p11-kit: fix build with gcc 14
Fix the following build failure with gcc 14:
p11-kit/import-object.c: In function 'add_attrs_pubkey_rsa':
p11-kit/import-object.c:223:62: error: passing argument 3 of 'p11_asn1_read' from incompatible pointer type [-Wincompatible-pointer-types]
223 | attr_modulus.pValue = p11_asn1_read (asn, "modulus", &attr_modulus.ulValueLen);
| ^~~~~~~~~~~~~~~~~~~~~~~~
| |
| long unsigned int *
Fixes:
- http://autobuild.buildroot.org/results/41508a057568ad715e9e00a67adfc3867445d6c1
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
This commit is contained in:
Fabrice Fontaine
committed by
Arnout Vandecappelle
Arnout Vandecappelle
parent
311bb82c9e
commit
e6b30e2392
@@ -0,0 +1,109 @@
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From d49c92c8420db6ee4c88515bdb014f68f4d471d9 Mon Sep 17 00:00:00 2001
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From: Daiki Ueno <ueno@gnu.org>
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Date: Sat, 2 Dec 2023 09:24:01 +0900
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Subject: [PATCH] import-object: Avoid integer truncation on 32-bit platforms
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The build fails when compiling for 32-bit platforms with
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-Werror=incompatible-pointer-types:
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CFLAGS="-m32 -march=i686 -Werror=incompatible-pointer-types -Werror=implicit -Werror=int-conversion" setarch i686 -- meson setup _build
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setarch i686 -- meson compile -C _build -v
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...
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../p11-kit/import-object.c: In function ‘add_attrs_pubkey_rsa’:
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../p11-kit/import-object.c:223:62: error: passing argument 3 of ‘p11_asn1_read’ from incompatible pointer type [-Werror=incompatible-pointer-types]
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223 | attr_modulus.pValue = p11_asn1_read (asn, "modulus", &attr_modulus.ulValueLen);
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| ^~~~~~~~~~~~~~~~~~~~~~~~
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| |
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| long unsigned int *
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Reported by Sam James in:
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https://github.com/p11-glue/p11-kit/issues/608
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Signed-off-by: Daiki Ueno <ueno@gnu.org>
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Upstream: https://github.com/p11-glue/p11-kit/commit/d49c92c8420db6ee4c88515bdb014f68f4d471d9
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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p11-kit/import-object.c | 30 +++++++++++++++++++++++++++---
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1 file changed, 27 insertions(+), 3 deletions(-)
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diff --git a/p11-kit/import-object.c b/p11-kit/import-object.c
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index feee0765..fb47b964 100644
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--- a/p11-kit/import-object.c
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+++ b/p11-kit/import-object.c
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@@ -55,6 +55,7 @@
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#endif
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#include <assert.h>
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+#include <limits.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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@@ -201,6 +202,7 @@ add_attrs_pubkey_rsa (CK_ATTRIBUTE *attrs,
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CK_ATTRIBUTE attr_encrypt = { CKA_ENCRYPT, &tval, sizeof (tval) };
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CK_ATTRIBUTE attr_modulus = { CKA_MODULUS, };
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CK_ATTRIBUTE attr_exponent = { CKA_PUBLIC_EXPONENT, };
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+ size_t len = 0;
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pubkey = p11_asn1_read (info, "subjectPublicKey", &pubkey_len);
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if (pubkey == NULL) {
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@@ -220,17 +222,31 @@ add_attrs_pubkey_rsa (CK_ATTRIBUTE *attrs,
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goto cleanup;
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}
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- attr_modulus.pValue = p11_asn1_read (asn, "modulus", &attr_modulus.ulValueLen);
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+ attr_modulus.pValue = p11_asn1_read (asn, "modulus", &len);
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if (attr_modulus.pValue == NULL) {
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p11_message (_("failed to obtain modulus"));
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goto cleanup;
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}
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+#if ULONG_MAX < SIZE_MAX
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+ if (len > ULONG_MAX) {
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+ p11_message (_("failed to obtain modulus"));
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+ goto cleanup;
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+ }
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+#endif
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+ attr_modulus.ulValueLen = len;
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- attr_exponent.pValue = p11_asn1_read (asn, "publicExponent", &attr_exponent.ulValueLen);
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+ attr_exponent.pValue = p11_asn1_read (asn, "publicExponent", &len);
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if (attr_exponent.pValue == NULL) {
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p11_message (_("failed to obtain exponent"));
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goto cleanup;
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}
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+#if ULONG_MAX < SIZE_MAX
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+ if (len > ULONG_MAX) {
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+ p11_message (_("failed to obtain exponent"));
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+ goto cleanup;
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+ }
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+#endif
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+ attr_exponent.ulValueLen = len;
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result = p11_attrs_build (attrs, &attr_key_type, &attr_encrypt, &attr_modulus, &attr_exponent, NULL);
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if (result == NULL) {
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@@ -260,12 +276,20 @@ add_attrs_pubkey_ec (CK_ATTRIBUTE *attrs,
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CK_ATTRIBUTE attr_key_type = { CKA_KEY_TYPE, &key_type, sizeof (key_type) };
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CK_ATTRIBUTE attr_ec_params = { CKA_EC_PARAMS, };
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CK_ATTRIBUTE attr_ec_point = { CKA_EC_POINT, };
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+ size_t len = 0;
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- attr_ec_params.pValue = p11_asn1_read (info, "algorithm.parameters", &attr_ec_params.ulValueLen);
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+ attr_ec_params.pValue = p11_asn1_read (info, "algorithm.parameters", &len);
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if (attr_ec_params.pValue == NULL) {
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p11_message (_("failed to obtain EC parameters"));
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goto cleanup;
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}
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+#if ULONG_MAX < SIZE_MAX
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+ if (len > ULONG_MAX) {
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+ p11_message (_("failed to obtain EC parameters"));
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+ goto cleanup;
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+ }
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+#endif
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+ attr_ec_params.ulValueLen = len;
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/* subjectPublicKey is read as BIT STRING value which contains
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* EC point data. We need to DER encode this data as OCTET STRING.
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