history purge

nfq/desync.h

@@ -0,0 +1,41 @@
+#pragma once
+
+#include "darkmagic.h"
+#include "nfqws.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/tcp.h>
+#include <netinet/in.h>
+
+#ifdef __linux__
+#define DPI_DESYNC_FWMARK_DEFAULT 0x40000000
+#else
+#define DPI_DESYNC_FWMARK_DEFAULT 512
+#endif
+
+#define DPI_DESYNC_MAX_FAKE_LEN 1500
+
+enum dpi_desync_mode {
+	DESYNC_NONE=0,
+	DESYNC_INVALID,
+	DESYNC_FAKE,
+	DESYNC_RST,
+	DESYNC_RSTACK,
+	DESYNC_DISORDER,
+	DESYNC_DISORDER2,
+	DESYNC_SPLIT,
+	DESYNC_SPLIT2
+};
+
+extern const char *fake_http_request_default;
+extern const uint8_t fake_tls_clienthello_default[517];
+
+enum dpi_desync_mode desync_mode_from_string(const char *s);
+bool desync_valid_first_stage(enum dpi_desync_mode mode);
+bool desync_valid_second_stage(enum dpi_desync_mode mode);
+
+void desync_init();
+packet_process_result dpi_desync_packet(uint8_t *data_pkt, size_t len_pkt, struct ip *ip, struct ip6_hdr *ip6hdr, struct tcphdr *tcphdr, size_t len_tcp, uint8_t *data_payload, size_t len_payload);