Mirror/zapret
1
0
Fork 0
mirror of https://github.com/bol-van/zapret.git synced 2026-02-03 08:10:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

tpws: deny connections to 0.0.0.0

Browse Source
This commit is contained in:
bol-van
2022-04-21 13:41:43 +03:00
parent dd1ba8218d
commit a15de18b33
13 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
tpws/helpers.c
View File

@@ -155,8 +155,9 @@ bool saconvmapped(struct sockaddr_storage *a)
bool is_localnet(const struct sockaddr *a)
{
return a->sa_family==AF_INET && *(char*)&((struct sockaddr_in *)a)->sin_addr.s_addr==127 ||
a->sa_family==AF_INET6 && saismapped((struct sockaddr_in6 *)a) && ((struct sockaddr_in6 *)a)->sin6_addr.s6_addr[12]==127;
// 0.0.0.0, ::ffff:0.0.0.0 = localhost in linux
return a->sa_family==AF_INET && (*(char*)&((struct sockaddr_in *)a)->sin_addr.s_addr==127 || !((struct sockaddr_in *)a)->sin_addr.s_addr) ||
a->sa_family==AF_INET6 && saismapped((struct sockaddr_in6 *)a) && (((struct sockaddr_in6 *)a)->sin6_addr.s6_addr[12]==127 || !*(uint32_t*)(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr+12));
}
bool is_linklocal(const struct sockaddr_in6 *a)
{