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nfqws: host options didnt work without debug

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bol-van
2020-04-07 10:21:27 +03:00
parent 1978e8f4ab
commit 91fb1f5278
9 changed files with 22 additions and 22 deletions
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44
nfq/desync.c
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@@ -83,6 +83,7 @@ packet_process_result dpi_desync_packet(uint8_t *data_pkt, size_t len_pkt, struc
char host[256];
bool bHaveHost=false;
bool bIsHttp;
uint8_t *phost;
if (bIsHttp = IsHttp(data_payload,len_payload))
{
@@ -127,34 +128,33 @@ packet_process_result dpi_desync_packet(uint8_t *data_pkt, size_t len_pkt, struc
DLOG("not applying tampering to this request\n")
return res;
}
}
uint8_t *phost;
if (bIsHttp && (params.hostcase || params.hostnospace) && (phost = (uint8_t*)memmem(data_payload, len_payload, "\r\nHost: ", 8)))
if (bIsHttp && (params.hostcase || params.hostnospace) && (phost = (uint8_t*)memmem(data_payload, len_payload, "\r\nHost: ", 8)))
{
if (params.hostcase)
{
if (params.hostcase)
DLOG("modifying Host: => %c%c%c%c:\n", params.hostspell[0], params.hostspell[1], params.hostspell[2], params.hostspell[3])
memcpy(phost + 2, params.hostspell, 4);
res=modify;
}
uint8_t *pua;
if (params.hostnospace &&
(pua = (uint8_t*)memmem(data_payload, len_payload, "\r\nUser-Agent: ", 14)) &&
(pua = (uint8_t*)memmem(pua + 1, len_payload - (pua - data_payload) - 1, "\r\n", 2)))
{
DLOG("removing space after Host: and adding it to User-Agent:\n")
if (pua > phost)
{
DLOG("modifying Host: => %c%c%c%c:\n", params.hostspell[0], params.hostspell[1], params.hostspell[2], params.hostspell[3])
memcpy(phost + 2, params.hostspell, 4);
res=modify;
memmove(phost + 7, phost + 8, pua - phost - 8);
phost[pua - phost - 1] = ' ';
}
uint8_t *pua;
if (params.hostnospace &&
(pua = (uint8_t*)memmem(data_payload, len_payload, "\r\nUser-Agent: ", 14)) &&
(pua = (uint8_t*)memmem(pua + 1, len_payload - (pua - data_payload) - 1, "\r\n", 2)))
else
{
DLOG("removing space after Host: and adding it to User-Agent:\n")
if (pua > phost)
{
memmove(phost + 7, phost + 8, pua - phost - 8);
phost[pua - phost - 1] = ' ';
}
else
{
memmove(pua + 1, pua, phost - pua + 7);
*pua = ' ';
}
res=modify;
memmove(pua + 1, pua, phost - pua + 7);
*pua = ' ';
}
res=modify;
}
}