host: Add function to create two hosts from a range definition

1 files changed, 13 insertions, 0 deletions

diff --git a/src/libstrongswan/networking/host.h b/src/libstrongswan/networking/host.h
index 9c9b5035f..3670768c4 100644
--- a/src/libstrongswan/networking/host.h
+++ b/src/libstrongswan/networking/host.h
@@ -181,6 +181,19 @@ host_t *host_create_from_chunk(int family, chunk_t address, u_int16_t port);
 host_t *host_create_from_sockaddr(sockaddr_t *sockaddr);
 
 /**
+ * Parse a range definition (1.2.3.0-1.2.3.5), return the two hosts.
+ *
+ * The two hosts are not ordered, from is simply the first, to is the second,
+ * from is not necessarily smaller.
+ *
+ * @param string		string to parse
+ * @param from			returns the first address (out)
+ * @param to			returns the second address (out)
+ * @return				TRUE if parsed successfully, FALSE otherwise
+ */
+bool host_create_from_range(char *string, host_t **from, host_t **to);
+
+/**
  * Create a host from a CIDR subnet definition (1.2.3.0/24), return bits.
  *
  * @param string		string to parse