1 files changed, 51 insertions, 0 deletions
diff --git a/src/lib-smtp/smtp-command-parser.h b/src/lib-smtp/smtp-command-parser.h
new file mode 100644
index 0000000..c9b56a1
--- /dev/null
+++ b/src/lib-smtp/smtp-command-parser.h
@@ -0,0 +1,51 @@
+#ifndef SMTP_COMMAND_PARSER_H
+#define SMTP_COMMAND_PARSER_H
+
+#include "smtp-command.h"
+
+/* FIXME: drop unused */
+enum smtp_command_parse_error {
+	/* No error */
+	SMTP_COMMAND_PARSE_ERROR_NONE = 0,
+	/* Stream error */
+	SMTP_COMMAND_PARSE_ERROR_BROKEN_STREAM,
+	/* Unrecoverable generic error */
+	SMTP_COMMAND_PARSE_ERROR_BROKEN_COMMAND,
+	/* Recoverable generic error */
+	SMTP_COMMAND_PARSE_ERROR_BAD_COMMAND,
+	/* Stream error */
+	SMTP_COMMAND_PARSE_ERROR_LINE_TOO_LONG,
+	/* Data too large (fatal) */
+	SMTP_COMMAND_PARSE_ERROR_DATA_TOO_LARGE
+};
+
+struct smtp_command_parser *
+smtp_command_parser_init(struct istream *input,
+			 const struct smtp_command_limits *limits) ATTR_NULL(2);
+void smtp_command_parser_deinit(struct smtp_command_parser **_parser);
+
+void smtp_command_parser_set_stream(struct smtp_command_parser *parser,
+				    struct istream *input);
+
+/* Returns 1 if a command was returned, 0 if more data is needed, -1 on error,
+   -2 if disconnected in SMTP_COMMAND_PARSE_STATE_INIT state. -2 is mainly for
+   unit tests - it can normally be treated the same as -1. */
+int smtp_command_parse_next(struct smtp_command_parser *parser,
+			    const char **cmd_name_r, const char **cmd_params_r,
+			    enum smtp_command_parse_error *error_code_r,
+			    const char **error_r);
+
+struct istream *
+smtp_command_parse_data_with_size(struct smtp_command_parser *parser,
+				  uoff_t size);
+struct istream *
+smtp_command_parse_data_with_dot(struct smtp_command_parser *parser);
+bool smtp_command_parser_pending_data(struct smtp_command_parser *parser);
+
+/* Returns the same as smtp_command_parse_next() */
+int smtp_command_parse_auth_response(struct smtp_command_parser *parser,
+			    const char **line_r,
+			    enum smtp_command_parse_error *error_code_r,
+			    const char **error_r);
+
+#endif