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tpws --disorder

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bol-van
2023-07-03 15:28:42 +03:00
parent 52af3b7906
commit 7f5fe99ad5
20 changed files with 156 additions and 51 deletions
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18
tpws/helpers.c
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@@ -172,11 +172,27 @@ bool is_private6(const struct sockaddr_in6* a)
int set_keepalive(int fd)
bool set_keepalive(int fd)
{
int yes=1;
return setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &yes, sizeof(int))!=-1;
}
bool set_ttl(int fd, int ttl)
{
return setsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl))!=-1;
}
bool set_hl(int fd, int hl)
{
return setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &hl, sizeof(hl))!=-1;
}
bool set_ttl_hl(int fd, int ttl)
{
bool b1,b2;
// try to set both but one may fail if family is wrong
b1=set_ttl(fd, ttl);
b2=set_hl(fd, ttl);
return b1 || b2;
}
int get_so_error(int fd)
{
// getsockopt(SO_ERROR) clears error