1 files changed, 77 insertions, 0 deletions
diff --git a/src/lib-http/http-message-parser.h b/src/lib-http/http-message-parser.h
new file mode 100644
index 0000000..17c17cb
--- /dev/null
+++ b/src/lib-http/http-message-parser.h
@@ -0,0 +1,77 @@
+#ifndef HTTP_MESSAGE_PARSER_H
+#define HTTP_MESSAGE_PARSER_H
+
+#include "http-response.h"
+#include "http-transfer.h"
+
+#include "http-header.h"
+
+enum http_message_parse_error {
+	HTTP_MESSAGE_PARSE_ERROR_NONE = 0,          /* no error */
+	HTTP_MESSAGE_PARSE_ERROR_BROKEN_STREAM,     /* stream error */
+	HTTP_MESSAGE_PARSE_ERROR_BROKEN_MESSAGE,    /* unrecoverable generic error */
+	HTTP_MESSAGE_PARSE_ERROR_BAD_MESSAGE,       /* recoverable generic error */
+	HTTP_MESSAGE_PARSE_ERROR_NOT_IMPLEMENTED,   /* used unimplemented feature
+	                                              (recoverable) */
+	HTTP_MESSAGE_PARSE_ERROR_PAYLOAD_TOO_LARGE  /* message payload is too large
+	                                              (fatal) */
+};
+
+enum http_message_parse_flags {
+	/* Strictly adhere to the HTTP protocol specification */
+	HTTP_MESSAGE_PARSE_FLAG_STRICT = BIT(0)
+};
+
+struct http_message {
+	pool_t pool;
+
+	unsigned int version_major;
+	unsigned int version_minor;
+
+	struct http_header *header;
+
+	time_t date;
+	uoff_t content_length;
+	const char *location;
+	ARRAY_TYPE(http_transfer_coding) transfer_encoding;
+	ARRAY_TYPE(const_string) connection_options;
+
+	bool connection_close:1;
+	bool have_content_length:1;
+};
+
+struct http_message_parser {
+	struct istream *input;
+
+	struct http_header_limits header_limits;
+	uoff_t max_payload_size;
+	enum http_message_parse_flags flags;
+
+	const unsigned char *begin, *cur, *end;
+
+	const char *error;
+	enum http_message_parse_error error_code;
+
+	struct http_header_parser *header_parser;
+	struct istream *payload;
+
+	pool_t msg_pool;
+	struct http_message msg;
+};
+
+void http_message_parser_init(struct http_message_parser *parser,
+	struct istream *input, const struct http_header_limits *hdr_limits,
+	uoff_t max_payload_size, enum http_message_parse_flags flags)
+	ATTR_NULL(3);
+void http_message_parser_deinit(struct http_message_parser *parser);
+void http_message_parser_restart(struct http_message_parser *parser,
+	pool_t pool);
+
+pool_t http_message_parser_get_pool(struct http_message_parser *parser);
+
+int http_message_parse_finish_payload(struct http_message_parser *parser);
+int http_message_parse_version(struct http_message_parser *parser);
+int http_message_parse_headers(struct http_message_parser *parser);
+int http_message_parse_body(struct http_message_parser *parser, bool request);
+
+#endif