1 files changed, 37 insertions, 0 deletions
diff --git a/plugins/telnet/telnet_proto.h b/plugins/telnet/telnet_proto.h
new file mode 100644
index 0000000..aa29122
--- /dev/null
+++ b/plugins/telnet/telnet_proto.h
@@ -0,0 +1,37 @@
+#ifndef HYBBX_TELNET_PROTO_H
+#define HYBBX_TELNET_PROTO_H
+
+#include "hybbx/types.h"
+
+#include <stddef.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct hybbx_telnet_parser {
+    int state;
+    int command;
+} hybbx_telnet_parser_t;
+
+typedef void (*hybbx_telnet_data_cb)(void *ctx, const uint8_t *data, size_t len);
+
+void hybbx_telnet_parser_init(hybbx_telnet_parser_t *parser);
+
+/** Send initial option negotiation (echo, suppress go ahead). */
+hybbx_result_t hybbx_telnet_send_greeting(int fd);
+
+/**
+ * Strip telnet protocol bytes and invoke @p on_data for user payload.
+ */
+hybbx_result_t hybbx_telnet_parser_feed(hybbx_telnet_parser_t *parser, int fd,
+                                        const uint8_t *data, size_t len,
+                                        hybbx_telnet_data_cb on_data,
+                                        void *ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HYBBX_TELNET_PROTO_H */