1 files changed, 73 insertions, 0 deletions
diff --git a/src/lib-smtp/smtp-submit.h b/src/lib-smtp/smtp-submit.h
new file mode 100644
index 0000000..6a00f56
--- /dev/null
+++ b/src/lib-smtp/smtp-submit.h
@@ -0,0 +1,73 @@
+#ifndef SMTP_SUBMIT_H
+#define SMTP_SUBMIT_H
+
+#include "smtp-submit-settings.h"
+
+struct ssl_iostream_settings;
+struct smtp_address;
+struct smtp_submit_settings;
+struct smtp_submit_session;
+struct smtp_submit;
+
+struct smtp_submit_input {
+	/* SSL settings */
+	const struct ssl_iostream_settings *ssl;
+
+	/* Event to use as parent for the submit event */
+	struct event *event_parent;
+
+	/* Allow running sendmail as root */
+	bool allow_root:1;
+};
+
+struct smtp_submit_result {
+	/* 1 on success,
+	   0 on permanent failure (e.g. invalid destination),
+	  -1 on temporary failure */
+	int status;
+
+	const char *error;
+};
+
+typedef void
+smtp_submit_callback_t(const struct smtp_submit_result *result,
+		       void *context);
+
+/* Use submit session to reuse resources (e.g. SMTP connections) between
+   submissions (FIXME: actually implement this) */
+struct smtp_submit_session *
+smtp_submit_session_init(const struct smtp_submit_input *input,
+			 const struct smtp_submit_settings *set);
+void smtp_submit_session_deinit(struct smtp_submit_session **_session);
+
+struct smtp_submit *
+smtp_submit_init(struct smtp_submit_session *session,
+		 const struct smtp_address *mail_from);
+struct smtp_submit *
+smtp_submit_init_simple(const struct smtp_submit_input *input,
+			const struct smtp_submit_settings *set,
+			const struct smtp_address *mail_from) ATTR_NULL(2);
+void smtp_submit_deinit(struct smtp_submit **_submit);
+
+/* Add a new recipient */
+void smtp_submit_add_rcpt(struct smtp_submit *subm,
+	const struct smtp_address *rcpt_to);
+/* Get an output stream where the message can be written to. The recipients
+   must already be added before calling this. */
+struct ostream *smtp_submit_send(struct smtp_submit *subm);
+
+/* Submit the message. Callback is called once the message submission
+   finishes. */
+void smtp_submit_run_async(struct smtp_submit *subm,
+			   smtp_submit_callback_t *callback, void *context);
+#define smtp_submit_run_async(subm, callback, context) \
+	smtp_submit_run_async(subm, \
+		(smtp_submit_callback_t*)callback, \
+		(char*)context - CALLBACK_TYPECHECK(callback, \
+			void (*)(const struct smtp_submit_result *result, typeof(context))))
+
+/* Returns 1 on success, 0 on permanent failure (e.g. invalid destination),
+   -1 on temporary failure. */
+int smtp_submit_run(struct smtp_submit *subm, const char **error_r);
+
+#endif