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nfqws: optimize code

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bol-van
2024-11-12 10:23:42 +03:00
parent f973a6f3a6
commit f8b3dca6f5
5 changed files with 42 additions and 43 deletions
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57
nfq/desync.c
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@@ -1118,7 +1118,7 @@ static uint8_t dpi_desync_tcp_packet_play(bool replay, size_t reasm_offset, uint
DLOG("dpi desync src=%s dst=%s\n",s1,s2);
}
const struct split_pos *spos;
const struct proto_pos *spos;
switch(l7proto)
{
case HTTP:
@@ -1152,6 +1152,27 @@ static uint8_t dpi_desync_tcp_packet_play(bool replay, size_t reasm_offset, uint
else
DLOG("all multisplit pos are outside of this packet\n");
}
if (multisplit_count)
{
int j;
for (i=j=0;i<multisplit_count;i++)
{
multisplit_pos[j]=pos_normalize(multisplit_pos[i],reasm_offset,dis->len_payload);
if (multisplit_pos[j]) j++;
}
multisplit_count=j;
if (params.debug)
{
if (multisplit_count)
{
DLOG("normalized multisplit pos: ");
for (i=0;i<multisplit_count;i++) DLOG("%zu ",multisplit_pos[i]);
DLOG("\n");
}
else
DLOG("all multisplit pos are outside of this packet\n");
}
}
}
else if (dp->desync_mode==DESYNC_SPLIT || dp->desync_mode==DESYNC_SPLIT2 || dp->desync_mode==DESYNC_DISORDER || dp->desync_mode==DESYNC_DISORDER2 ||
dp->desync_mode2==DESYNC_SPLIT || dp->desync_mode2==DESYNC_SPLIT2 || dp->desync_mode2==DESYNC_DISORDER || dp->desync_mode2==DESYNC_DISORDER2)
@@ -1159,6 +1180,12 @@ static uint8_t dpi_desync_tcp_packet_play(bool replay, size_t reasm_offset, uint
multisplit_count=0;
split_pos = ResolvePos(rdata_payload, rlen_payload, l7proto, spos);
DLOG("regular split pos: %zu\n",split_pos);
if (!split_pos || split_pos>rlen_payload) split_pos=1;
split_pos=pos_normalize(split_pos,reasm_offset,dis->len_payload);
if (split_pos)
DLOG("normalized regular split pos : %zu\n",split_pos);
else
DLOG("regular split pos is outside of this packet\n");
}
else
{
@@ -1170,34 +1197,6 @@ static uint8_t dpi_desync_tcp_packet_play(bool replay, size_t reasm_offset, uint
reasm_orig_cancel(ctrack);
rdata_payload=NULL;
if (!split_pos || split_pos>rlen_payload) split_pos=1;
split_pos=pos_normalize(split_pos,reasm_offset,dis->len_payload);
if (split_pos)
DLOG("normalized regular split pos : %zu\n",split_pos);
else
DLOG("regular split pos is outside of this packet\n");
if (multisplit_count)
{
int j;
for (i=j=0;i<multisplit_count;i++)
{
multisplit_pos[j]=pos_normalize(multisplit_pos[i],reasm_offset,dis->len_payload);
if (multisplit_pos[j]) j++;
}
multisplit_count=j;
if (params.debug)
{
if (multisplit_count)
{
DLOG("normalized multisplit pos: ");
for (i=0;i<multisplit_count;i++) DLOG("%zu ",multisplit_pos[i]);
DLOG("\n");
}
else
DLOG("all multisplit pos are outside of this packet\n");
}
}
uint32_t fooling_orig = FOOL_NONE;
bool bFake = false;
pkt1_len = sizeof(pkt1);