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nfqws2: set desync.tcp_mss to minimum of both ends or default if at least one is unknown

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bol-van
2026-01-15 20:51:57 +03:00
parent f8156a3d38
commit 6b7507deb5
2 changed files with 5 additions and 2 deletions
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1
docs/changes.txt
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@@ -185,3 +185,4 @@ v0.8.1
* nfqws2: do not require / in the beginning of URI in http
* zapret-lib: rawsend_dissect_segmented support URG
* zapret-antidpi: oob
* nfqws2: set desync.tcp_mss to minimum of both ends or default if at least one is unknown

6
nfq2/desync.c
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@@ -859,9 +859,11 @@ static uint8_t desync(
if (dis->tcp)
{
// recommended mss value for generated packets
if (rpos && rpos->mss)
lua_pushf_int(params.L, "tcp_mss", rpos->mss);
if (pos && pos->mss && rpos && rpos->mss)
// use minimum MSS of two ends or can fail with "message too long"
lua_pushf_int(params.L, "tcp_mss", rpos->mss > pos->mss ? pos->mss : rpos->mss);
else
// this value should always work
lua_pushf_global(params.L, "tcp_mss", "DEFAULT_MSS");
}
ref_arg = luaL_ref(params.L, LUA_REGISTRYINDEX);