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tpws: is_localnet: deny ::0,::1

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bol-van 2024-08-15 20:20:58 +03:00
parent 5354c973df
commit abcfa61168
1 changed files with 3 additions and 1 deletions
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4
tpws/helpers.c
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@ -168,7 +168,9 @@ bool is_localnet(const struct sockaddr *a)
{ {
// 0.0.0.0, ::ffff:0.0.0.0 = localhost in linux // 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) || 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)); 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)) ||
!memcmp(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr,"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",15) && !(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr[15] & 0xFE));
} }
bool is_linklocal(const struct sockaddr_in6 *a) bool is_linklocal(const struct sockaddr_in6 *a)
{ {