Add crypto files

src/mangle.h

@@ -0,0 +1,58 @@
+#ifndef YU_MANGLE_H
+#define YU_MANGLE_H
+
+#include "types.h"
+#include "tls.h"
+
+#define PKT_ACCEPT	0
+#define PKT_DROP	1
+// Used for section config
+#define PKT_CONTINUE	2
+
+/**
+ * Processes the packet and returns verdict.
+ * This is the primary function that traverses the packet.
+ */
+int process_packet(const uint8_t *packet, uint32_t packet_len);
+
+
+/**
+ * Processe the TCP packet.
+ * Returns verdict.
+ */
+int process_tcp_packet(const struct section_config_t *section, const uint8_t *raw_payload, uint32_t raw_payload_len);
+
+
+/**
+ * Processes the UDP packet.
+ * Returns verdict.
+ */
+int process_udp_packet(const struct section_config_t *section, const uint8_t *pkt, uint32_t pktlen);
+
+
+
+/**
+ * Sends fake client hello.
+ */
+int post_fake_sni(struct fake_type f_type, 
+		const void *iph, unsigned int iph_len, 
+		const struct tcphdr *tcph, unsigned int tcph_len);
+
+/**
+ * Splits packet by poses and posts.
+ * Poses are relative to start of TCP payload.
+ * dvs used internally and should be zero.
+ */
+int send_tcp_frags(const struct section_config_t *section,
+	const uint8_t *packet, uint32_t pktlen, 
+	const uint32_t *poses, uint32_t poses_len, uint32_t dvs);
+
+/**
+ * Splits packet by poses and posts.
+ * Poses are relative to start of TCP payload.
+ * dvs used internally and should be zero.
+ */
+int send_ip4_frags(const struct section_config_t *section,
+	const uint8_t *packet, uint32_t pktlen, 
+	const uint32_t *poses, uint32_t poses_len, uint32_t dvs);
+#endif /* YU_MANGLE_H */