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35 lines
862 B
C
35 lines
862 B
C
#ifndef TLS_H
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#define TLS_H
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#include "types.h"
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#include "utils.h"
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/**
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* Result of analyze_tls_data function
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*/
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struct tls_verdict {
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int target_sni; /* google video hello packet */
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int sni_offset; /* offset from start of tcp _payload_ */
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int sni_target_offset; /* offset of target domain instead of entire sni */
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int sni_target_len; /* offset of target domain instead of entire sni */
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int sni_len;
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};
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/**
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* Processes the packet and finds TLS Client Hello information inside it.
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* data pointer points to start of TLS Message (TCP Payload)
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*/
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struct tls_verdict analyze_tls_data(const uint8_t *data, uint32_t dlen);
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/**
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* Generates the fake client hello message
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*/
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int gen_fake_sni(struct fake_type type,
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const void *iph, uint32_t iph_len,
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const struct tcphdr *tcph, uint32_t tcph_len,
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uint8_t *buf, uint32_t *buflen);
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#endif /* TLS_H */
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