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blockcheck: more strategies

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bol-van 2024-03-19 18:01:10 +03:00
parent 684869e54f
commit 205d17df01
1 changed files with 42 additions and 12 deletions
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54
blockcheck.sh
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@ -769,6 +769,10 @@ test_has_split()
{
contains "$1" split || contains "$1" disorder
}
test_has_fake()
{
contains "$1" fake
}
warn_fool()
{
case "$1" in
@ -776,6 +780,33 @@ warn_fool()
datanoack) echo 'WARNING ! although datanoack fooling worked it may break NAT and may only work with external IP. Additionally it may require nftables to work correctly.' ;;
esac
}
pktws_curl_test_update_vary()
{
# $1 - test function
# $2 - encrypted test : 1/0
# $3 - domain
# $4 - desync mode
# $5,$6,... - strategy
local testf=$1 sec=$2 domain=$3 desync=$4 zerofake split fake
shift; shift; shift; shift
zerofake=http
[ "$sec" = 1 ] && zerofake=tls
zerofake="--dpi-desync-fake-$zerofake=0x00000000"
for fake in '' $zerofake ; do
for split in '' '--dpi-desync-split-pos=1' ; do
pktws_curl_test_update $testf $domain --dpi-desync=$desync "$@" $fake $split && return 0
test_has_split $desync || break
done
test_has_fake $desync || break
done
return 1
}
pktws_check_domain_http_bypass()
{
# $1 - test function
@ -822,42 +853,41 @@ pktws_check_domain_http_bypass()
[ -n "$e" ] && {
pktws_curl_test_update $1 $3 $e
for desync in split2 disorder2; do
pktws_curl_test_update $1 $3 --dpi-desync=$desync $e
pktws_curl_test_update_vary $1 $2 $3 $desync $e
done
}
for desync in $tests; do
s="--dpi-desync=$desync"
for ttl in $ttls; do
pktws_curl_test_update $1 $3 $s --dpi-desync-ttl=$ttl $e && break
test_has_split $desync && pktws_curl_test_update $1 $3 $s --dpi-desync-split-pos=1 --dpi-desync-ttl=$ttl $e && break
pktws_curl_test_update_vary $1 $2 $3 $desync --dpi-desync-ttl=$ttl $e && break
done
for delta in 1 2 3 4 5; do
pktws_curl_test_update $1 $3 $s --dpi-desync-ttl=1 --dpi-desync-autottl=$delta $e || {
test_has_split $desync && pktws_curl_test_update $1 $3 $s --dpi-desync-split-pos=1 --dpi-desync-ttl=1 --dpi-desync-autottl=$delta $e
}
pktws_curl_test_update_vary $1 $2 $3 $desync --dpi-desync-ttl=1 --dpi-desync-autottl=$delta $e
done
f=
[ "$UNAME" = "OpenBSD" ] || f="badsum"
f="$f badseq md5sig datanoack"
[ "$IPV" = 6 ] && f="$f hopbyhop hopbyhop2"
for fooling in $f; do
pktws_curl_test_update $1 $3 $s --dpi-desync-fooling=$fooling $e && warn_fool $fooling
test_has_split $desync && pktws_curl_test_update $1 $3 $s --dpi-desync-split-pos=1 --dpi-desync-fooling=$fooling $e && warn_fool $fooling
pktws_curl_test_update_vary $1 $2 $3 $desync --dpi-desync-fooling=$fooling $e && warn_fool $fooling
done
done
[ "$IPV" = 6 ] && {
f="hopbyhop hopbyhop,split2 hopbyhop,disorder2 destopt destopt,split2 destopt,disorder2"
[ -n "$IP6_DEFRAG_DISABLE" ] && f="$f ipfrag1 ipfrag1,split2 ipfrag1,disorder2"
for desync in $f; do
pktws_curl_test_update $1 $3 --dpi-desync=$desync $e
test_has_split $desync && pktws_curl_test_update $1 $3 --dpi-desync-split-pos=1 --dpi-desync=$desync $e
pktws_curl_test_update_vary $1 $2 $3 $desync $e
done
}
# do not do wssize test for http. it's useless
[ "$sec" = 1 ] || break
done
pktws_curl_test_update $1 $3 --dpi-desync=syndata
s="http_iana_org.bin"
[ "$sec" = 1 ] && s="tls_clienthello_iana_org.bin"
for desync in syndata syndata,split2 syndata,disorder2 syndata,split2 syndata,disorder2 ; do
pktws_curl_test_update_vary $1 $2 $3 $desync
pktws_curl_test_update_vary $1 $2 $3 $desync --dpi-desync-fake-syndata="$ZAPRET_BASE/files/fake/$s"
done
# OpenBSD has checksum issues with fragmented packets
[ "$UNAME" != "OpenBSD" ] && [ "$IPV" = 4 -o -n "$IP6_DEFRAG_DISABLE" ] && {