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winws: windows service support

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This commit is contained in:
bol-van
2024-04-30 15:35:20 +03:00
parent 9eded3d3ce
commit 9df7574b2b
20 changed files with 291 additions and 8 deletions
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58
nfq/darkmagic.c
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@@ -12,6 +12,7 @@
#include "darkmagic.h"
#include "helpers.h"
#include "params.h"
#include "nfqws.h"
uint32_t net32_add(uint32_t netorder_value, uint32_t cpuorder_increment)
@@ -1016,6 +1017,11 @@ static bool windivert_recv_filter(HANDLE hFilter, uint8_t *packet, size_t *len,
DWORD rd;
char c;
if (bQuit)
{
errno=EINTR;
return false;
}
if (WinDivertRecvEx(hFilter, packet, *len, &recv_len, 0, wa, NULL, &ovl))
{
*len = recv_len;
@@ -1028,7 +1034,15 @@ static bool windivert_recv_filter(HANDLE hFilter, uint8_t *packet, size_t *len,
{
case ERROR_IO_PENDING:
// make signals working
while(WaitForSingleObject(w_event,50)==WAIT_TIMEOUT) usleep(0);
while (WaitForSingleObject(w_event,50)==WAIT_TIMEOUT)
{
if (bQuit)
{
errno=EINTR;
return false;
}
usleep(0);
}
if (!GetOverlappedResult(hFilter,&ovl,&rd,TRUE))
continue;
*len = rd;
@@ -1439,6 +1453,48 @@ uint8_t autottl_guess(uint8_t ttl, const autottl *attl)
return fake;
}
void do_nat(bool bOutbound, struct ip *ip, struct ip6_hdr *ip6, struct tcphdr *tcphdr, struct udphdr *udphdr, const struct sockaddr_in *target4, const struct sockaddr_in6 *target6)
{
uint16_t nport;
if (ip && target4)
{
nport = target4->sin_port;
if (bOutbound)
ip->ip_dst = target4->sin_addr;
else
ip->ip_src = target4->sin_addr;
ip4_fix_checksum(ip);
}
else if (ip6 && target6)
{
nport = target6->sin6_port;
if (bOutbound)
ip6->ip6_dst = target6->sin6_addr;
else
ip6->ip6_src = target6->sin6_addr;
}
else
return;
if (nport)
{
if (tcphdr)
{
if (bOutbound)
tcphdr->th_dport = nport;
else
tcphdr->th_sport = nport;
}
if (udphdr)
{
if (bOutbound)
udphdr->uh_dport = nport;
else
udphdr->uh_sport = nport;
}
}
}
void verdict_tcp_csum_fix(uint8_t verdict, struct tcphdr *tcphdr, size_t transport_len, struct ip *ip, struct ip6_hdr *ip6hdr)
{