created identification_create_from_sockaddr() function

src/libstrongswan/utils/identification.c

@@ -819,6 +819,9 @@ int identification_printf_hook(char *dst, size_t len, printf_hook_spec_t *spec,
 				snprintf(buf, sizeof(buf), "%#B", &this->encoded);
 			}
 			break;
+		case ID_MYID:
+			snprintf(buf, sizeof(buf), "%%myid");
+			break;
 		default:
 			snprintf(buf, sizeof(buf), "(unknown ID type: %d)", this->type);
 			break;
@@ -1022,3 +1025,33 @@ identification_t *identification_create_from_encoding(id_type_t type,
 	return &(this->public);
 }
 
+/*
+ * Described in header.
+ */
+identification_t *identification_create_from_sockaddr(sockaddr_t *sockaddr)
+{
+	switch (sockaddr->sa_family)
+	{
+		case AF_INET:
+		{
+			struct in_addr *addr = &(((struct sockaddr_in*)sockaddr)->sin_addr);
+
+			return identification_create_from_encoding(ID_IPV4_ADDR,
+					chunk_create((u_char*)addr, sizeof(struct in_addr)));
+		}
+		case AF_INET6:
+		{
+			struct in6_addr *addr = &(((struct sockaddr_in6*)sockaddr)->sin6_addr);
+
+			return identification_create_from_encoding(ID_IPV6_ADDR,
+					chunk_create((u_char*)addr, sizeof(struct in6_addr)));
+		}
+		default:
+		{
+			private_identification_t *this = identification_create(ID_ANY);
+
+			return &(this->public);
+		}
+	}
+}
+

src/libstrongswan/utils/identification.h

@@ -322,6 +322,14 @@ identification_t * identification_create_from_string(char *string);
  */
 identification_t * identification_create_from_encoding(id_type_t type, chunk_t encoded);
 
+/**
+ * Constructor to create a host_t object from a sockaddr struct
+ *
+ * @param sockaddr		sockaddr struct which contains family and address
+ * @return 				identification_t
+ */
+identification_t * identification_create_from_sockaddr(sockaddr_t *sockaddr);
+
 /**
  * printf hook function for identification_t.
  *