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audit: properly encode device path in cgroup audit

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=922186

Commit d04916fa introduced a regression in audit quality - even
though the code was computing the proper escaped name for a
path, it wasn't feeding that escaped name on to the audit message.
As a result, /var/log/audit/audit.log would mention a pair of
fields class=path path=/dev/hpet instead of the intended
class=path path="/dev/hpet", which in turn caused ausearch to
format the audit log with path=(null).

* src/conf/domain_audit.c (virDomainAuditCgroupPath): Use
constructed encoding.

Signed-off-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit 31c6bf35b9)
This commit is contained in:
Eric Blake 2013-04-19 11:30:44 -06:00
parent 610aadd635
commit 0b0ecdfc6d
1 changed files with 3 additions and 3 deletions
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6
src/conf/domain_audit.c
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@ -1,7 +1,7 @@
/*
* domain_audit.c: Domain audit management
*
* Copyright (C) 2006-2012 Red Hat, Inc.
* Copyright (C) 2006-2013 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
@ -471,8 +471,8 @@ virDomainAuditCgroupPath(virDomainObjPtr vm, virCgroupPtr cgroup,
rdev = virDomainAuditGetRdev(path);
if (!(detail = virAuditEncode("path", path)) ||
virAsprintf(&extra, "path path=%s rdev=%s acl=%s",
path, VIR_AUDIT_STR(rdev), perms) < 0) {
virAsprintf(&extra, "path %s rdev=%s acl=%s",
detail, VIR_AUDIT_STR(rdev), perms) < 0) {
VIR_WARN("OOM while encoding audit message");
goto cleanup;
}