1 files changed, 82 insertions, 0 deletions
diff --git a/src/lib-smtp/smtp-reply.h b/src/lib-smtp/smtp-reply.h
new file mode 100644
index 0000000..713ce1f
--- /dev/null
+++ b/src/lib-smtp/smtp-reply.h
@@ -0,0 +1,82 @@
+#ifndef SMTP_REPLY_H
+#define SMTP_REPLY_H
+
+struct smtp_reply_enhanced_code {
+	/* x:class, y:subject, z:detail;
+	   x==0 means no enhanced code present
+	   x==9 means invalid/missing enhanced code in reply
+	 */
+	unsigned int x, y, z;
+};
+
+struct smtp_reply {
+	unsigned int status;
+
+	struct smtp_reply_enhanced_code enhanced_code;
+
+	const char *const *text_lines;
+};
+
+#define SMTP_REPLY_ENH_CODE(x, y, z) \
+	(const struct smtp_reply_enhanced_code){(x), (y), (z)}
+#define SMTP_REPLY_ENH_CODE_NONE SMTP_REPLY_ENH_CODE(0, 0, 0)
+
+static inline bool
+smtp_reply_has_enhanced_code(const struct smtp_reply *reply)
+{
+	return reply->enhanced_code.x > 1 && reply->enhanced_code.x < 6;
+}
+
+static inline bool
+smtp_reply_is_success(const struct smtp_reply *reply)
+{
+	return ((reply->status / 100) == 2);
+}
+
+static inline bool
+smtp_reply_is_remote(const struct smtp_reply *reply)
+{
+	return (reply->status >= 200 && reply->status < 560);
+}
+
+static inline bool
+smtp_reply_is_temp_fail(const struct smtp_reply *reply)
+{
+	return ((reply->status / 100) == 4);
+}
+
+void smtp_reply_init(struct smtp_reply *reply, unsigned int status,
+	const char *text);
+void smtp_reply_printf(struct smtp_reply *reply, unsigned int status,
+	const char *format, ...) ATTR_FORMAT(3, 4);
+
+const char *
+smtp_reply_get_enh_code(const struct smtp_reply *reply);
+const char *const *
+smtp_reply_get_text_lines_omit_prefix(const struct smtp_reply *reply);
+
+/* Write the SMTP reply as a sequence of lines according to the SMTP syntax,
+   each terminated by CRLF. */
+void smtp_reply_write(string_t *out, const struct smtp_reply *reply);
+/* Write the SMTP reply as a single line without CRLF, even when it consists
+   of multiple lines. This function cannot be used with internal client error
+   replies (status code >= 560). */
+void smtp_reply_write_one_line(string_t *out, const struct smtp_reply *reply);
+/* Create a log line from the SMTP reply. This also properly handles internal
+   client error replies (status_code >= 560). */
+const char *smtp_reply_log(const struct smtp_reply *reply);
+/* Returns the message of the reply as a single line without status codes and
+   without CRLF.
+ */
+const char *smtp_reply_get_message(const struct smtp_reply *reply);
+
+void smtp_reply_copy(pool_t pool, struct smtp_reply *dst,
+	const struct smtp_reply *src);
+struct smtp_reply *smtp_reply_clone(pool_t pool,
+	const struct smtp_reply *src);
+
+/* Set standard reply fields in provided pass-through event */
+void smtp_reply_add_to_event(const struct smtp_reply *reply,
+			     struct event_passthrough *e);
+
+#endif