diff --git a/include/ejabbermsg.h b/include/ejabbermsg.h
new file mode 100644
index 0000000..a493ac8
--- /dev/null
+++ b/include/ejabbermsg.h
@@ -0,0 +1,35 @@
+/*
+ * ejabberd external authentication program
+ *
+ * (c) Alexander Vdolainen 2013, 2018, 2019, 2021 <alex@vapaa.xyz>
+ *
+ * this is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * this is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.";
+ *
+ */
+
+#ifndef __EJABBERDMSG_H__
+#define __EJABBERDMSG_H__
+
+#define MAX_USER_LEN  256
+#define MAX_DOMAIN_LEN  128
+#define MAX_PASSWORD_LEN  128
+
+struct ejabbermsg {
+  int action;
+  char user[MAX_USER_LEN];
+  char domain[MAX_DOMAIN_LEN];
+  char password[MAX_PASSWORD_LEN];
+};
+
+#endif /* __EJABBERDMSG_H__ */
diff --git a/include/eport.h b/include/eport.h
new file mode 100644
index 0000000..abdd279
--- /dev/null
+++ b/include/eport.h
@@ -0,0 +1,32 @@
+/*
+ * ejabberd external authentication program
+ *
+ * (c) Alexander Vdolainen 2013, 2018, 2019, 2021 <alex@vapaa.xyz>
+ *
+ * this is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * this is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.";
+ *
+ */
+
+#ifndef __EPORT_H__
+#define __EPORT_H__
+
+#include <ejabberdmsg.h>
+
+size_t eport_read(FILE *, char *, size_t);
+
+size_t eport_write(FILE *, char *, size_t);
+
+int eport_ejabberd_msgread(char *, size_t, struct ejabber_msg *);
+
+#endif /* __EPORT_H__ */