+void audit_log_hex(struct audit_buffer *ab, const unsigned char *buf, size_t len)
+{
+ int i;
+
+ for (i=0; i<len; i++)
+ audit_log_format(ab, "%02x", buf[i]);
+}
+
+void audit_log_untrustedstring(struct audit_buffer *ab, const char *string)
+{
+ const unsigned char *p = string;
+
+ while (*p) {
+ if (*p == '"' || *p == ' ' || *p < 0x20 || *p > 0x7f) {
+ audit_log_hex(ab, string, strlen(string));
+ return;
+ }
+ p++;
+ }
+ audit_log_format(ab, "\"%s\"", string);
+}
+
+