added chunk_equals_or_null()

src/libstrongswan/types.c

@@ -45,23 +45,10 @@ mapping_t status_m[] = {
 	{MAPPING_END, NULL}
 };
 
-#define UNDEFINED_TIME	0
-
-/**
- * @brief Display a date either in local or UTC time
- * 
- * @param buf		buffer where displayed time will be written
- * @param buflen	buffer length
- * @param time		time to be displayed
- * @param utc		UTC (TRUE) or local time (FALSE)
- * 
- */
-void timetoa(char *buf, size_t buflen, const time_t *time, bool utc);
-
 /**
  * Empty chunk.
  */
-chunk_t CHUNK_INITIALIZER = {NULL,0};
+chunk_t CHUNK_INITIALIZER = { NULL, 0 };
 
 /**
  * Described in header.
@@ -106,10 +93,18 @@ chunk_t chunk_alloc(size_t bytes)
  */
 bool chunk_equals(chunk_t a, chunk_t b)
 {
-	return a.len == b.len &&
+	return a.ptr != NULL  && b.ptr != NULL &&
-		   a.ptr != NULL  &&
+		   a.len == b.len && memeq(a.ptr, b.ptr, a.len);
-		   b.ptr != NULL  &&
+}
-		   memcmp(a.ptr, b.ptr, a.len) == 0;
+
+/**
+ * Described in header.
+ */
+bool chunk_equals_or_null(chunk_t a, chunk_t b)
+{
+	if (a.ptr == NULL || b.ptr == NULL)
+		return TRUE;
+	return a.len == b.len && memeq(a.ptr, b.ptr, a.len);
 }
 
 /**

src/libstrongswan/types.h

@@ -122,6 +122,23 @@ typedef enum certpolicy {
   CERT_NO_SEND       = 4	/* synonym for CERT_NEVER_SEND  */
 } certpolicy_t;
 
+/**
+ * RFC 2459 CRL reason codes
+ */
+
+/* TODO extern enum_names crl_reason_names; */
+
+typedef enum {
+    REASON_UNSPECIFIED =			0,
+    REASON_KEY_COMPROMISE = 		1,
+    REASON_CA_COMPROMISE = 			2,
+    REASON_AFFILIATION_CHANGED =	3,
+    REASON_SUPERSEDED =				4,
+    REASON_CESSATION_OF_OPERATON =	5,
+    REASON_CERTIFICATE_HOLD =		6,
+    REASON_REMOVE_FROM_CRL =		8
+} crl_reason_t;
+
 /**
  * String mappings for type status_t.
  */
@@ -154,17 +171,16 @@ struct chunk_t {
 	/**
 	 * Pointer to start of data
 	 */
-    u_char *ptr;
+	u_char *ptr;
-    
+
-    /**
+	/**
-     * Length of data in bytes
+	 * Length of data in bytes
-     */
+	 */
-    size_t len;
+	size_t len;
 };
 
 /**
- * {NULL, 0}-chunk, handy for initialization 
+ * used to initialize a chunk to { NULL, 0 }.
- * of chunks.
  */
 extern chunk_t CHUNK_INITIALIZER;
 
@@ -194,6 +210,12 @@ chunk_t chunk_alloc(size_t bytes);
  */
 bool chunk_equals(chunk_t a, chunk_t b);
 
+/**
+ * Compare two chunks for equality,
+ * NULL chunks are always equal.
+ */
+bool chunk_equals_or_null(chunk_t a, chunk_t b);
+
 /**
  * Print a chunk in hexadecimal form
  * with each byte separated by a colon