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nfqws: tls mod set sni

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bol-van
2025-04-04 13:24:02 +03:00
parent 93bdfdb6be
commit 6b0bc7a96b
7 changed files with 134 additions and 94 deletions
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5
nfq/desync.c
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@@ -609,7 +609,7 @@ static uint16_t IP4_IP_ID_FIX(const struct ip *ip)
// fake_mod buffer must at least sizeof(desync_profile->fake_tls)
// size does not change
// return : true - altered, false - not altered
static bool runtime_tls_mod(int fake_n,const struct fake_tls_mod_cache *modcache, uint8_t fake_tls_mod, const uint8_t *fake_data, size_t fake_data_size, const uint8_t *payload, size_t payload_len, uint8_t *fake_mod)
static bool runtime_tls_mod(int fake_n,const struct fake_tls_mod_cache *modcache, uint32_t fake_tls_mod, const uint8_t *fake_data, size_t fake_data_size, const uint8_t *payload, size_t payload_len, uint8_t *fake_mod)
{
bool b=false;
if (modcache) // it's filled only if it's TLS
@@ -630,6 +630,7 @@ static bool runtime_tls_mod(int fake_n,const struct fake_tls_mod_cache *modcache
phton16(fake_mod+modcache->extlen_offset,(uint16_t)sz_ext);
phton16(fake_mod+modcache->padlen_offset,(uint16_t)sz_pad);
b=true;
DLOG("fake[%d] applied padencap tls mod. sizes increased by %zu bytes.\n", fake_n, payload_len);
}
}
if (fake_tls_mod & FAKE_TLS_MOD_RND)
@@ -638,6 +639,7 @@ static bool runtime_tls_mod(int fake_n,const struct fake_tls_mod_cache *modcache
fill_random_bytes(fake_mod+11,32); // random
fill_random_bytes(fake_mod+44,fake_mod[43]); // session id
b=true;
DLOG("fake[%d] applied rnd tls mod\n", fake_n);
}
if (fake_tls_mod & FAKE_TLS_MOD_DUP_SID)
{
@@ -650,6 +652,7 @@ static bool runtime_tls_mod(int fake_n,const struct fake_tls_mod_cache *modcache
if (!b) memcpy(fake_mod,fake_data,fake_data_size);
memcpy(fake_mod+44,payload+44,fake_mod[43]); // session id
b=true;
DLOG("fake[%d] applied dupsid tls mod\n", fake_n);
}
}
}