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Re: [libvirt] [PATCH v3 02/18] security: Include security_util



On Wed, Dec 12, 2018 at 01:40:46PM +0100, Michal Privoznik wrote:
This file implements wrappers over XATTR getter/setter. It
ensures the proper XATTR namespace is used.

Signed-off-by: Michal Privoznik <mprivozn redhat com>
---
src/security/Makefile.inc.am |   2 +
src/security/security_util.c | 256 +++++++++++++++++++++++++++++++++++
src/security/security_util.h |  32 +++++
3 files changed, 290 insertions(+)
create mode 100644 src/security/security_util.c
create mode 100644 src/security/security_util.h

+/**
+ * virSecurityGetRememberedLabel:
+ * @name: security driver name
+ * @path: file name
+ * @label: label
+ *
+ * For given @path and security driver (@name) fetch remembered
+ * @label. The caller must not restore label if an error is
+ * indicated or if @label is NULL upon return.
+ *
+ * The idea is that the first time
+ * virSecuritySetRememberedLabel() is called over @path the
+ * @label is recorded and refcounter is set to 1. Each subsequent
+ * call to virSecuritySetRememberedLabel() increases the counter.
+ * Counterpart to this is virSecurityGetRememberedLabel() which
+ * decreases the counter and reads the @label only if the counter
+ * reached value of zero. For any other call (i.e. when the
+ * counter is not zero), virSecurityGetRememberedLabel() set

s/set/sets/

+ * @label to NULL (to notify the caller that the refcount is not
+ * zero) and returns zero.
+ *
+ * Returns: 0 on success,
+ *         -1 otherwise (with error reported)
+ */

and of course:

sed -i s/__SECURITY_UTIL_H__/LIBVIRT_SECURITY_UTIL_H/g src/security/security_util.h

Jano

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