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Bugfix: we don't want loopback/multicastaddress from _hack().

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This commit is contained in:
rl1987 2015-02-22 17:34:00 +02:00 committed by Nick Mathewson
parent 6af471f394
commit 92fc728d83
1 changed files with 10 additions and 2 deletions
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10
src/common/address.c
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@ -1542,8 +1542,16 @@ get_interface_address6_via_udp_socket_hack(int severity,
goto err;
}
tor_addr_from_sockaddr(addr, (struct sockaddr*)&my_addr, NULL);
if (tor_addr_from_sockaddr(addr, (struct sockaddr*)&my_addr, NULL) == 0) {
if (tor_addr_is_loopback(addr) || tor_addr_is_multicast(addr)) {
log_fn(severity, LD_NET, "Address that we determined via UDP socket"
" magic is unsuitable for public comms.");
}
else {
r=0;
}
}
err:
if (sock >= 0)
tor_close_socket(sock);