Add more custom fake message, random fake message

tls.h

@@ -0,0 +1,53 @@
+#ifndef TLS_H
+#define TLS_H
+
+#include "types.h"
+
+
+/**
+ * Result of analyze_tls_data function
+ */
+struct tls_verdict {
+	int target_sni; /* google video hello packet */
+	int sni_offset; /* offset from start of tcp _payload_ */
+	int sni_len;
+};
+
+/**
+ * Processes the packet and finds TLS Client Hello information inside it.
+ * data pointer points to start of TLS Message (TCP Payload)
+ */
+struct tls_verdict analyze_tls_data(const uint8_t *data, uint32_t dlen);
+
+
+struct fake_type {
+
+#define FAKE_PAYLOAD_RANDOM	0
+#define FAKE_PAYLOAD_DATA	1
+// In default mode all other options will be skipped.
+#define FAKE_PAYLOAD_DEFAULT	2
+	int type;	
+
+	// Length of the final fake message. 
+	// Pass 0 in RANDOM mode to make it random
+	uint16_t fake_len;
+
+	// Payload of the fake message of fake_len length. 
+	// Will be omitted in RANDOM mode.
+	const char *fake_data;
+
+	// faking strategy of the fake packet.
+	// Does not support bitmask, pass standalone strategy.
+	// Pass 0 if you don't want any faking procedures.
+	unsigned int strategy;
+};
+
+/**
+ * Generates the fake client hello message
+ */
+int gen_fake_sni(struct fake_type type,
+		const void *iph, uint32_t iph_len, 
+		const struct tcphdr *tcph, uint32_t tcph_len, 
+		uint8_t *buf, uint32_t *buflen);
+
+#endif /* TLS_H */