1 files changed, 95 insertions, 0 deletions
diff --git a/foobar/portable/smtpd/smtp.h b/foobar/portable/smtpd/smtp.h
new file mode 100644
index 00000000..dc91d878
--- /dev/null
+++ b/foobar/portable/smtpd/smtp.h
@@ -0,0 +1,95 @@
+/*	$OpenBSD: smtp.h,v 1.3 2019/09/02 20:05:21 eric Exp $	*/
+
+/*
+ * Copyright (c) 2018 Eric Faurot <eric@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define TLS_NO		0
+#define TLS_YES		1
+#define TLS_FORCE	2
+#define TLS_SMTPS	3
+
+#define CERT_OK		0
+#define CERT_UNKNOWN	1
+#define CERT_INVALID	2
+
+#define FAIL_INTERNAL	1	/* malloc, etc. (check errno)  */
+#define FAIL_CONN	2	/* disconnect, timeout... (check errno) */
+#define FAIL_PROTO	3	/* protocol violation */
+#define FAIL_IMPL	4	/* server lacks a required feature */
+#define FAIL_RESP	5	/* rejected command */
+
+struct smtp_params {
+
+	/* Client options */
+	size_t			 linemax;	/* max input line size */
+	size_t			 ibufmax;	/* max input buffer size */
+	size_t			 obufmax;	/* max output buffer size */
+
+	/* Connection settings */
+	const struct sockaddr	*dst;		/* address to connect to */
+	const struct sockaddr	*src;		/* address to bind to */
+	int			 timeout;	/* timeout in seconds */
+
+	/* TLS options */
+	int			 tls_req;	/* requested TLS mode */
+	int			 tls_verify;	/* need valid server certificate */
+
+	/* SMTP options */
+	int			 lmtp;		/* use LMTP protocol */
+	const char		*helo;		/* string to use with HELO */
+	const char		*auth_user;	/* for AUTH */
+	const char		*auth_pass;	/* for AUTH */
+};
+
+struct smtp_rcpt {
+	const char	*to;
+	const char	*dsn_notify;
+	const char	*dsn_orcpt;
+	int		 done;
+};
+
+struct smtp_mail {
+	const char		*from;
+	const char		*dsn_ret;
+	const char		*dsn_envid;
+	struct smtp_rcpt	*rcpt;
+	int			 rcptcount;
+	FILE			*fp;
+};
+
+struct smtp_status {
+	struct smtp_rcpt	*rcpt;
+	const char		*cmd;
+	const char		*status;
+};
+
+struct smtp_client;
+
+/* smtp_client.c */
+struct smtp_client *smtp_connect(const struct smtp_params *, void *);
+void smtp_cert_verified(struct smtp_client *, int);
+void smtp_set_tls(struct smtp_client *, void *);
+void smtp_quit(struct smtp_client *);
+void smtp_sendmail(struct smtp_client *, struct smtp_mail *);
+
+/* callbacks */
+void smtp_verify_server_cert(void *, struct smtp_client *, void *);
+void smtp_require_tls(void *, struct smtp_client *);
+void smtp_ready(void *, struct smtp_client *);
+void smtp_failed(void *, struct smtp_client *, int, const char *);
+void smtp_closed(void *, struct smtp_client *);
+void smtp_status(void *, struct smtp_client *, struct smtp_status *);
+void smtp_done(void *, struct smtp_client *, struct smtp_mail *);