skel stuff for smtp function;

src/Makefile.am

@@ -15,7 +15,7 @@ else
 bin_PROGRAMS = ejabberdauth
 endif
 
-ejabberdauth_SOURCES = main.c eport.c tls.c imap.c
+ejabberdauth_SOURCES = main.c eport.c tls.c imap.c smtp.c
 
 ejabberdauth_LDADD = $(LIBS) $(OPENSSL_LIBS)
 

src/smtp.c

@@ -0,0 +1,41 @@
+/*
+ * 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/>.";
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/select.h>
+#include <errno.h>
+#include <netdb.h>
+#include <string.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+
+#include <eport.h>
+#include <tlsport.h>
+
+int smtp_checkuser(struct tlsport *p, struct ejabber_msg *m, const char *host)
+{
+  return -1;
+}