gandc/zapret2
Template
1
0
Fork 0
mirror of https://github.com/bol-van/zapret2.git synced 2026-03-14 06:13:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

AI inspired fixes

Browse Source
This commit is contained in:
bol-van
2026-01-19 10:37:42 +03:00
parent 3caf1ce10a
commit 577d9e6aba
6 changed files with 32 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
nfq2/darkmagic.c
View File

@@ -329,12 +329,16 @@ void proto_skip_tcp(const uint8_t **data, size_t *len)
}
bool proto_check_udp(const uint8_t *data, size_t len)
{
return len >= sizeof(struct udphdr) && len>=(data[4]<<8 | data[5]);
return len >= sizeof(struct udphdr);
}
bool proto_check_udp_payload(const uint8_t *data, size_t len)
{
return len >= ntohs(((struct udphdr*)data)->uh_ulen);
}
void proto_skip_udp(const uint8_t **data, size_t *len)
{
*data += 8;
*len -= 8;
*data += sizeof(struct udphdr);
*len -= sizeof(struct udphdr);
}
bool proto_check_ipv6(const uint8_t *data, size_t len)
@@ -487,7 +491,7 @@ void proto_dissect_l3l4(const uint8_t *data, size_t len, struct dissect *dis)
dis->len_payload = len;
}
else if (dis->proto==IPPROTO_UDP && proto_check_udp(data, len))
else if (dis->proto==IPPROTO_UDP && proto_check_udp(data, len) && proto_check_udp_payload(data, len))
{
dis->udp = (const struct udphdr *) data;
dis->transport_len = len;