[libvirt] [PATCH 3/7] Add audit helper for escaping log message strings
Add a helper API for ecscaping the value in audit log
messages
* src/util/virtaudit.h, src/util/virtaudit.c,
src/libvirt_private.syms: Add virAuditEncode
---
src/libvirt_private.syms | 1 +
src/util/virtaudit.c | 12 ++++++++++++
src/util/virtaudit.h | 4 ++++
3 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 1a71e79..7ceb016 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -794,6 +794,7 @@ virUUIDParse;
# virtaudit.h
virAuditClose;
+virAuditEncode;
virAuditLog;
virAuditOpen;
virAuditSend;
diff --git a/src/util/virtaudit.c b/src/util/virtaudit.c
index 3226961..d568660 100644
--- a/src/util/virtaudit.c
+++ b/src/util/virtaudit.c
@@ -136,3 +136,15 @@ void virAuditClose(void)
close(auditfd);
#endif
}
+
+char *virAuditEncode(const char *key, const char *value)
+{
+#if HAVE_AUDIT
+ return audit_encode_nv_string(key, value, 0);
+#else
+ char *str;
+ if (virAsprintf(&str, "%s=%s", key, value) < 0)
+ return NULL;
+ return str;
+#endif
+}
diff --git a/src/util/virtaudit.h b/src/util/virtaudit.h
index f0d9cd7..37046f2 100644
--- a/src/util/virtaudit.h
+++ b/src/util/virtaudit.h
@@ -41,6 +41,8 @@ void virAuditSend(const char *file, const char *func, size_t linenr,
enum virAuditRecordType type, bool success,
const char *fmt, ...);
+char *virAuditEncode(const char *key, const char *value);
+
void virAuditClose(void);
# define VIR_AUDIT(type, success, ...) \
@@ -51,5 +53,7 @@ void virAuditClose(void);
virAuditSend(__FILE__, __func__, __LINE__, \
clienttty, clientaddr, type, success, __VA_ARGS__);
+# define VIR_AUDIT_STR(str) \
+ ((str) ? (str) : "?")
#endif /* __LIBVIRT_AUDIT_H__ */
--
1.7.2.3