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audit: fix build with older kernel versions

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This commit adds a patch to audit that fixes the build with kernel
headers newer than 3.13, but older than 3.19. The patch has been
submitted upstream.

Fixes:

  http://autobuild.buildroot.net/results/2d3b2f8c2b9f7f2e04b88b1dccb83e183b5876b6/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2016-07-06 21:14:35 +02:00
parent 61c26cc817
commit 36e076a2a9
2 changed files with 61 additions and 0 deletions
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59
package/audit/0002-Fix-usage-of-audit_status.feature_bitmap.patch Normal file
View File

@ -0,0 +1,59 @@
From f9e4d6aa957c0728827d7efee44a57f887766ae6 Mon Sep 17 00:00:00 2001
From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Date: Wed, 6 Jul 2016 20:22:11 +0200
Subject: [PATCH] Fix usage of audit_status.feature_bitmap
The feature_bitmap field of "struct audit_status" only appeared in
kernel headers >= 3.19. However, the code using it in libaudit.c is only
conditional on the existence of AUDIT_FEATURE_VERSION, which has been
added in Linux 3.13.
This means that building audit with kernel headers >= 3.13 but < 3.19
currently fails:
libaudit.c: In function 'load_feature_bitmap':
libaudit.c:609:33: error: 'struct audit_status' has no member named 'feature_bitmap'
features_bitmap = rep.status->feature_bitmap;
^
libaudit.c: In function 'audit_rule_fieldpair_data':
libaudit.c:1424:9: warning: this decimal constant is unsigned only in ISO C90 [enabled by default]
4294967295;
This commit fixes that by testing the availability of the feature_bitmap
field.
Submitted upstream: https://www.redhat.com/archives/linux-audit/2016-July/msg00022.html
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
configure.ac | 1 +
lib/libaudit.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 219720b..00788c4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -64,6 +64,7 @@ AC_CHECK_SIZEOF([unsigned int])
AC_CHECK_SIZEOF([unsigned long])
AM_PROG_CC_C_O
AC_CHECK_DECLS([AUDIT_FEATURE_VERSION], [], [], [[#include <linux/audit.h>]])
+AC_CHECK_MEMBERS([struct audit_status.feature_bitmap], [], [], [[#include <linux/audit.h>]])
AC_CHECK_DECLS([AUDIT_VERSION_BACKLOG_WAIT_TIME], [], [], [[#include <linux/audit.h>]])
AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
dnl; posix_fallocate is used in audisp-remote
diff --git a/lib/libaudit.c b/lib/libaudit.c
index 2c96f29..510d841 100644
--- a/lib/libaudit.c
+++ b/lib/libaudit.c
@@ -579,7 +579,7 @@ static void load_feature_bitmap(void)
return;
}
-#if HAVE_DECL_AUDIT_FEATURE_VERSION
+#if defined(HAVE_DECL_AUDIT_FEATURE_VERSION) && defined(HAVE_STRUCT_AUDIT_STATUS_FEATURE_BITMAP)
if ((rc = audit_request_status(fd)) > 0) {
struct audit_reply rep;
int i;
--
2.7.4

2
package/audit/audit.mk
View File

@ -8,6 +8,8 @@ AUDIT_VERSION = 2.6.2
AUDIT_SITE = http://people.redhat.com/sgrubb/audit
AUDIT_LICENSE = GPLv2
AUDIT_LICENSE_FILES = COPYING
# 0002-Fix-usage-of-audit_status.feature_bitmap.patch
AUDIT_AUTORECONF = YES
AUDIT_INSTALL_STAGING = YES