Gamercat/GoodbyeDPI
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New option: -q - block QUIC/HTTP3

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Only Initial packet in Long Header Packets are blocked.
The packet should be at least 1200 bytes in size.
This commit is contained in:
ValdikSS 2024-07-31 11:55:23 +03:00
parent 905d3c98a6
commit d031ae65bf
2 changed files with 22 additions and 3 deletions
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1
README.md
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@ -22,6 +22,7 @@ Download [latest version from Releases page](https://github.com/ValdikSS/Goodbye
```
Usage: goodbyedpi.exe [OPTION...]
-p block passive DPI
-q block QUIC/HTTP3
-r replace Host with hoSt
-s remove space between host header and its value
-m mix Host header case (test.com -> tEsT.cOm)

24
src/goodbyedpi.c
View File

@ -78,6 +78,9 @@ WINSOCK_API_LINKAGE INT WSAAPI inet_pton(INT Family, LPCSTR pStringBuf, PVOID pA
"(tcp.DstPort == 80 or tcp.DstPort == 443) and tcp.Ack and " \
"(" DIVERT_NO_LOCALNETSv4_DST " or " DIVERT_NO_LOCALNETSv6_DST "))" \
"))"
#define FILTER_PASSIVE_BLOCK_QUIC "outbound and !impostor and !loopback and udp " \
"and udp.DstPort == 443 and udp.PayloadLength >= 1200 " \
"and udp.Payload[0] >= 0xC0 and udp.Payload32[1b] == 0x01"
#define FILTER_PASSIVE_STRING_TEMPLATE "inbound and ip and tcp and " \
"!impostor and !loopback and " \
"((ip.Id <= 0xF and ip.Id >= 0x0) " IPID_TEMPLATE ") and " \
@ -559,7 +562,8 @@ int main(int argc, char *argv[]) {
conntrack_info_t dns_conn_info;
tcp_conntrack_info_t tcp_conn_info;
int do_passivedpi = 0, do_fragment_http = 0,
int do_passivedpi = 0, do_block_quic = 0,
do_fragment_http = 0,
do_fragment_http_persistent = 0,
do_fragment_http_persistent_nowait = 0,
do_fragment_https = 0, do_host = 0,
@ -641,7 +645,7 @@ int main(int argc, char *argv[]) {
max_payload_size = 1200;
}
while ((opt = getopt_long(argc, argv, "123456prsaf:e:mwk:n", long_options, NULL)) != -1) {
while ((opt = getopt_long(argc, argv, "123456pqrsaf:e:mwk:n", long_options, NULL)) != -1) {
switch (opt) {
case '1':
do_passivedpi = do_host = do_host_removespace \
@ -685,6 +689,9 @@ int main(int argc, char *argv[]) {
case 'p':
do_passivedpi = 1;
break;
case 'q':
do_block_quic = 1;
break;
case 'r':
do_host = 1;
break;
@ -884,6 +891,7 @@ int main(int argc, char *argv[]) {
default:
puts("Usage: goodbyedpi.exe [OPTION...]\n"
" -p block passive DPI\n"
" -q block QUIC/HTTP3\n"
" -r replace Host with hoSt\n"
" -s remove space between host header and its value\n"
" -a additional space between Method and Request-URI (enables -s, may break sites)\n"
@ -960,6 +968,7 @@ int main(int argc, char *argv[]) {
}
printf("Block passive: %d\n" /* 1 */
"Block QUIC/HTTP3: %d\n" /* 1 */
"Fragment HTTP: %u\n" /* 2 */
"Fragment persistent HTTP: %u\n" /* 3 */
"Fragment HTTPS: %u\n" /* 4 */
@ -979,7 +988,7 @@ int main(int argc, char *argv[]) {
"Fake requests, wrong checksum: %d\n" /* 17 */
"Fake requests, wrong SEQ/ACK: %d\n" /* 18 */
"Max payload size: %hu\n", /* 19 */
do_passivedpi, /* 1 */
do_passivedpi, do_block_quic, /* 1 */
(do_fragment_http ? http_fragment_size : 0), /* 2 */
(do_fragment_http_persistent ? http_fragment_size : 0),/* 3 */
(do_fragment_https ? https_fragment_size : 0), /* 4 */
@ -1031,6 +1040,15 @@ int main(int argc, char *argv[]) {
filter_num++;
}
if (do_block_quic) {
filters[filter_num] = init(
FILTER_PASSIVE_BLOCK_QUIC,
WINDIVERT_FLAG_DROP);
if (filters[filter_num] == NULL)
die();
filter_num++;
}
/*
* IPv4 & IPv6 filter for inbound HTTP redirection packets and
* active DPI circumvention