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GoodbyeDPI
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Update goodbyedpi.c

pull/319/head
SashaXser 2 years ago
committed by GitHub
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2d84f9b38d
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0f2973e723
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1 changed files with 49 additions and 69 deletions
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  1. 118
      src/goodbyedpi.c

118
src/goodbyedpi.c
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@ -59,77 +59,57 @@ WINSOCK_API_LINKAGE INT WSAAPI inet_pton(INT Family, LPCSTR pStringBuf, PVOID pA
"(ipv6.SrcAddr < ff00::0 or ipv6.SrcAddr > ffff::0)" \ "(ipv6.SrcAddr < ff00::0 or ipv6.SrcAddr > ffff::0)" \
")" ")"
/* #IPID# is a template to find&replace */ /* Full filter strings defined statically */
#define IPID_TEMPLATE "#IPID#" #define FILTER_STRING \
#define MAXPAYLOADSIZE_TEMPLATE "#MAXPAYLOADSIZE#" "(tcp and !impostor and !loopback " MAXPAYLOADSIZE_TEMPLATE " and " \
#define FILTER_STRING_TEMPLATE \ "((inbound and (" \
"(tcp and !impostor and !loopback " MAXPAYLOADSIZE_TEMPLATE " and " \ "(" \
"((inbound and (" \ "(" \
"(" \ "(ipv6 or (ip.Id >= 0x0 and ip.Id <= 0xF) " IPID_TEMPLATE \
"(" \ ") and " \
"(ipv6 or (ip.Id >= 0x0 and ip.Id <= 0xF) " IPID_TEMPLATE \ "tcp.SrcPort == 80 and tcp.Ack" \
") and " \ ") or " \
"tcp.SrcPort == 80 and tcp.Ack" \ "((tcp.SrcPort == 80 or tcp.SrcPort == 443) and tcp.Ack and tcp.Syn)" \
") or " \ ")" \
"((tcp.SrcPort == 80 or tcp.SrcPort == 443) and tcp.Ack and tcp.Syn)" \ " and (" DIVERT_NO_LOCALNETSv4_SRC " or " DIVERT_NO_LOCALNETSv6_SRC "))) or " \
")" \ "(outbound and " \
" and (" DIVERT_NO_LOCALNETSv4_SRC " or " DIVERT_NO_LOCALNETSv6_SRC "))) or " \ "(tcp.DstPort == 80 or tcp.DstPort == 443) and tcp.Ack and " \
"(outbound and " \ "(" DIVERT_NO_LOCALNETSv4_DST " or " DIVERT_NO_LOCALNETSv6_DST "))" \
"(tcp.DstPort == 80 or tcp.DstPort == 443) and tcp.Ack and " \ "))"
"(" DIVERT_NO_LOCALNETSv4_DST " or " DIVERT_NO_LOCALNETSv6_DST "))" \
"))" #define FILTER_PASSIVE_STRING \
#define FILTER_PASSIVE_STRING_TEMPLATE "inbound and ip and tcp and " \ "inbound and ip and tcp and " \
"!impostor and !loopback and " \ "!impostor and !loopback and " \
"((ip.Id <= 0xF and ip.Id >= 0x0) " IPID_TEMPLATE ") and " \ "((ip.Id <= 0xF and ip.Id >= 0x0) " IPID_TEMPLATE ") and " \
"(tcp.SrcPort == 443 or tcp.SrcPort == 80) and tcp.Rst and " \ "(tcp.SrcPort == 443 or tcp.SrcPort == 80) and tcp.Rst and " \
DIVERT_NO_LOCALNETSv4_SRC DIVERT_NO_LOCALNETSv4_SRC
#define SET_HTTP_FRAGMENT_SIZE_OPTION(fragment_size) do { \ #define TCP_HANDLE_OUTGOING_FAKE_PACKET(func) \
if (!http_fragment_size) { \ { \
http_fragment_size = (unsigned int)fragment_size; \ should_send_fake = 1; \
} \ if (do_auto_ttl || ttl_min_nhops) { \
else if (http_fragment_size != (unsigned int)fragment_size) { \ if ( \
printf( \ (packet_v4 && tcp_handle_outgoing(&ppIpHdr->SrcAddr, &ppIpHdr->DstAddr, ppTcpHdr->SrcPort, ppTcpHdr->DstPort, &tcp_conn_info, 0)) || \
"WARNING: HTTP fragment size is already set to %u, not changing.\n", \ (packet_v6 && tcp_handle_outgoing(ppIpV6Hdr->SrcAddr, ppIpV6Hdr->DstAddr, ppTcpHdr->SrcPort, ppTcpHdr->DstPort, &tcp_conn_info, 1)) \
http_fragment_size \ ) { \
); \ if (do_auto_ttl) { \
} \ ttl_of_fake_packet = tcp_get_auto_ttl(tcp_conn_info.ttl, auto_ttl_1, auto_ttl_2, ttl_min_nhops, auto_ttl_max); \
} while (0) if (do_tcp_verb) { \
printf("Connection TTL = %d, Fake TTL = %d\n", tcp_conn_info.ttl, ttl_of_fake_packet); \
#define TCP_HANDLE_OUTGOING_TTL_PARSE_PACKET_IF() \ } \
if ((packet_v4 && tcp_handle_outgoing(&ppIpHdr->SrcAddr, &ppIpHdr->DstAddr, \ } \
ppTcpHdr->SrcPort, ppTcpHdr->DstPort, \ else if (ttl_min_nhops) { \
&tcp_conn_info, 0)) \ if (!tcp_get_auto_ttl(tcp_conn_info.ttl, 0, 0, ttl_min_nhops, 0)) { \
|| \ should_send_fake = 0; \
(packet_v6 && tcp_handle_outgoing(ppIpV6Hdr->SrcAddr, ppIpV6Hdr->DstAddr, \
ppTcpHdr->SrcPort, ppTcpHdr->DstPort, \
&tcp_conn_info, 1)))
#define TCP_HANDLE_OUTGOING_FAKE_PACKET(func) do { \
should_send_fake = 1; \
if (do_auto_ttl || ttl_min_nhops) { \
TCP_HANDLE_OUTGOING_TTL_PARSE_PACKET_IF() { \
if (do_auto_ttl) { \
/* If Auto TTL mode */ \
ttl_of_fake_packet = tcp_get_auto_ttl(tcp_conn_info.ttl, auto_ttl_1, auto_ttl_2, \
ttl_min_nhops, auto_ttl_max); \
if (do_tcp_verb) { \
printf("Connection TTL = %d, Fake TTL = %d\n", tcp_conn_info.ttl, ttl_of_fake_packet); \
} \
} \
else if (ttl_min_nhops) { \
/* If not Auto TTL mode but --min-ttl is set */ \
if (!tcp_get_auto_ttl(tcp_conn_info.ttl, 0, 0, ttl_min_nhops, 0)) { \
/* Send only if nhops >= min_ttl */ \
should_send_fake = 0; \
} \
} \
} \ } \
} \
} \ } \
if (should_send_fake) \ } \
func(w_filter, &addr, packet, packetLen, packet_v6, \ if (should_send_fake) { \
ttl_of_fake_packet, do_wrong_chksum, do_wrong_seq); \ func(w_filter, &addr, packet, packetLen, packet_v6, ttl_of_fake_packet, do_wrong_chksum, do_wrong_seq); \
} while (0) } \
}
static int running_from_service = 0; static int running_from_service = 0;

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