1 files changed, 22 insertions, 0 deletions

diff --git a/hostfile.h b/hostfile.h
new file mode 100644
index 000000000..64fe185da
--- /dev/null
+++ b/hostfile.h
@@ -0,0 +1,22 @@
+#ifndef HOSTFILE_H
+#define HOSTFILE_H
+
+/*
+ * Checks whether the given host is already in the list of our known hosts.
+ * Returns HOST_OK if the host is known and has the specified key, HOST_NEW
+ * if the host is not known, and HOST_CHANGED if the host is known but used
+ * to have a different host key.  The host must be in all lowercase.
+ */
+typedef enum {
+        HOST_OK, HOST_NEW, HOST_CHANGED
+}       HostStatus;
+HostStatus 
+check_host_in_hostfile(const char *filename, const char *host, Key *key, Key *found);
+
+/*
+ * Appends an entry to the host file.  Returns false if the entry could not
+ * be appended.
+ */
+int     add_host_to_hostfile(const char *filename, const char *host, Key *key);
+
+#endif