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prefer fixed closures to libffi closures

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fixes #1656245, patch by Daiki Ueno
This commit is contained in:
Nils Philippsen 2019-01-11 20:11:47 +01:00
parent 9fc8dfbdd0
commit 4397420065
2 changed files with 73 additions and 0 deletions
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71
0001-prefer-fixed-closures-to-libffi-closures.patch Normal file
View File

@ -0,0 +1,71 @@
From 6e1046de2233fba7875d3d6a1b260192678dd0ad Mon Sep 17 00:00:00 2001
From: Daiki Ueno <dueno@redhat.com>
Date: Fri, 19 Oct 2018 10:21:36 +0200
Subject: [PATCH] virtual: Prefer fixed closures to libffi closures
On some circumstances (such as when loading p11-kit-proxy from httpd),
it is known that creation of libffi closure always fails, due to
SELinux policy. Although this is harmless, it pollutes the journal
and gives wrong hints when troubleshooting. This patch changes the
order of preference of libffi vs pre-compiled closures to avoid that.
---
p11-kit/virtual.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/p11-kit/virtual.c b/p11-kit/virtual.c
index 6abfe7a..338239f 100644
--- a/p11-kit/virtual.c
+++ b/p11-kit/virtual.c
@@ -2832,9 +2832,14 @@ p11_virtual_wrap (p11_virtual *virt,
p11_destroyer destroyer)
{
Wrapper *wrapper;
+ CK_FUNCTION_LIST *result;
return_val_if_fail (virt != NULL, NULL);
+ result = p11_virtual_wrap_fixed (virt, destroyer);
+ if (result)
+ return result;
+
wrapper = calloc (1, sizeof (Wrapper));
return_val_if_fail (wrapper != NULL, NULL);
@@ -2844,8 +2849,10 @@ p11_virtual_wrap (p11_virtual *virt,
wrapper->bound.version.minor = CRYPTOKI_VERSION_MINOR;
wrapper->fixed_index = -1;
- if (!init_wrapper_funcs (wrapper))
- return p11_virtual_wrap_fixed (virt, destroyer);
+ if (!init_wrapper_funcs (wrapper)) {
+ free (wrapper);
+ return_val_if_reached (NULL);
+ }
assert ((void *)wrapper == (void *)&wrapper->bound);
assert (p11_virtual_is_wrapper (&wrapper->bound));
@@ -2859,7 +2866,11 @@ CK_FUNCTION_LIST *
p11_virtual_wrap (p11_virtual *virt,
p11_destroyer destroyer)
{
- return p11_virtual_wrap_fixed (virt, destroyer);
+ CK_FUNCTION_LIST *result;
+
+ result = p11_virtual_wrap_fixed (virt, destroyer);
+ return_val_if_fail (result != NULL, NULL);
+ return result;
}
#endif /* !FFI_CLOSURES */
@@ -3068,8 +3079,6 @@ p11_virtual_wrap_fixed (p11_virtual *virt,
}
p11_mutex_unlock (&p11_virtual_mutex);
- return_val_if_fail (result != NULL, NULL);
-
return result;
}
--
2.19.2

2
p11-kit.spec
View File

@ -9,6 +9,7 @@ URL: http://p11-glue.freedesktop.org/p11-kit.html
Source0: https://github.com/p11-glue/p11-kit/releases/download/%{version}/p11-kit-%{version}.tar.gz
Source1: trust-extract-compat
Source2: p11-kit-client.service
Patch0: 0001-prefer-fixed-closures-to-libffi-closures.patch
BuildRequires: gcc
BuildRequires: libtasn1-devel >= 2.3
@ -143,6 +144,7 @@ fi
%changelog
* Fri Jan 11 2018 Nils Philippsen <nils@tiptoe.de>
- use spaces instead of tabs consistently
- prefer fixed closures to libffi closures (#1656245, patch by Daiki Ueno)
* Mon Oct 29 2018 James Antill <james.antill@redhat.com> - 0.23.14-2
- Remove ldconfig scriptlet, now done via. transfiletrigger in glibc.