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nfqws: udplen-pattern, hex string support

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bol-van
2023-09-07 13:41:25 +03:00
parent 9b112d9a28
commit 91ac09a8bd
18 changed files with 224 additions and 136 deletions
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6
nfq/desync.c
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@@ -783,7 +783,7 @@ packet_process_result dpi_desync_udp_packet(uint32_t fwmark, const char *ifout,
break;
}
case DESYNC_FAKE:
if (!prepare_udp_segment((struct sockaddr *)&src, (struct sockaddr *)&dst, ttl_fake, params.desync_fooling_mode, 0, fake, fake_size, pkt1, &pkt1_len))
if (!prepare_udp_segment((struct sockaddr *)&src, (struct sockaddr *)&dst, ttl_fake, params.desync_fooling_mode, NULL, 0, 0, fake, fake_size, pkt1, &pkt1_len))
return res;
DLOG("sending fake request : ");
hexdump_limited_dlog(fake,fake_size,PKTDATA_MAXDUMP); DLOG("\n")
@@ -798,7 +798,7 @@ packet_process_result dpi_desync_udp_packet(uint32_t fwmark, const char *ifout,
if (ip6hdr && (params.desync_mode2==DESYNC_NONE || !desync_valid_second_stage_udp(params.desync_mode2)))
{
if (!prepare_udp_segment((struct sockaddr *)&src, (struct sockaddr *)&dst,
ttl_orig,fooling_orig,0,
ttl_orig,fooling_orig,NULL,0,0,
data_payload, len_payload, pkt1, &pkt1_len))
{
return res;
@@ -837,7 +837,7 @@ packet_process_result dpi_desync_udp_packet(uint32_t fwmark, const char *ifout,
{
case DESYNC_UDPLEN:
pkt1_len = sizeof(pkt1);
if (!prepare_udp_segment((struct sockaddr *)&src, (struct sockaddr *)&dst, ttl_orig,fooling_orig, params.udplen_increment, data_payload, len_payload, pkt1, &pkt1_len))
if (!prepare_udp_segment((struct sockaddr *)&src, (struct sockaddr *)&dst, ttl_orig,fooling_orig, params.udplen_pattern, sizeof(params.udplen_pattern), params.udplen_increment, data_payload, len_payload, pkt1, &pkt1_len))
{
DLOG("could not construct packet with modified length. too large ?\n");
return res;