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zapret-auto: cond_payload_str

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bol-van
2025-12-09 11:48:23 +03:00
parent bb604f111c
commit 27ef67adf9
1 changed files with 10 additions and 0 deletions
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10
lua/zapret-auto.lua
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@@ -267,6 +267,16 @@ end
function cond_random(desync)
return math.random(0,99)<(tonumber(desync.arg.percent) or 50)
end
-- this iif function detects packets having 'arg.pattern' string in their payload
-- test case : nfqws2 --qnum 200 --debug --lua-init=@zapret-lib.lua --lua-init=@zapret-auto.lua --lua-desync=condition:iff=cond_payload_str:pattern=1234 --lua-desync=argdebug:testarg=1 --lua-desync=argdebug:testarg=2:morearg=xyz
-- test case (true) : echo aaz1234zzz | ncat -4u 1.1.1.1 443
-- test case (false) : echo aaze124zzz | ncat -4u 1.1.1.1 443
function cond_payload_str(desync)
if not desync.arg.pattern then
error("cond_payload_str: missing 'pattern'")
end
return string.find(desync.dis.payload,desync.arg.pattern,1,true)
end
-- check iff function available. error if not
function require_iff(desync, name)
if not desync.arg.iff then