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Catch possible exceptions when parsing IPs. Closes #7249.

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sledgehammer999 2017-08-11 23:12:56 +03:00
parent db3fd24cea
commit 31a4309077
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1 changed files with 27 additions and 15 deletions
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42
src/base/bittorrent/session.cpp
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@ -1262,9 +1262,15 @@ void Session::configurePeerClasses()
, libt::address_v4::from_string("255.255.255.255")
, 1 << libt::session::global_peer_class_id);
#if TORRENT_USE_IPV6
f.add_rule(libt::address_v6::from_string("::0")
, libt::address_v6::from_string("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
, 1 << libt::session::global_peer_class_id);
// IPv6 may not be available on OS and the parsing
// would result in an exception -> abnormal program termination
// Affects Windows XP
try {
f.add_rule(libt::address_v6::from_string("::0")
, libt::address_v6::from_string("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
, 1 << libt::session::global_peer_class_id);
}
catch(std::exception &) {}
#endif
if (ignoreLimitsOnLAN()) {
// local networks
@ -1286,18 +1292,24 @@ void Session::configurePeerClasses()
, libt::address_v4::from_string("127.255.255.255")
, 1 << libt::session::local_peer_class_id);
#if TORRENT_USE_IPV6
// link local
f.add_rule(libt::address_v6::from_string("fe80::")
, libt::address_v6::from_string("febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
, 1 << libt::session::local_peer_class_id);
// unique local addresses
f.add_rule(libt::address_v6::from_string("fc00::")
, libt::address_v6::from_string("fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
, 1 << libt::session::local_peer_class_id);
// loopback
f.add_rule(libt::address_v6::from_string("::1")
, libt::address_v6::from_string("::1")
, 1 << libt::session::local_peer_class_id);
// IPv6 may not be available on OS and the parsing
// would result in an exception -> abnormal program termination
// Affects Windows XP
try {
// link local
f.add_rule(libt::address_v6::from_string("fe80::")
, libt::address_v6::from_string("febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
, 1 << libt::session::local_peer_class_id);
// unique local addresses
f.add_rule(libt::address_v6::from_string("fc00::")
, libt::address_v6::from_string("fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
, 1 << libt::session::local_peer_class_id);
// loopback
f.add_rule(libt::address_v6::from_string("::1")
, libt::address_v6::from_string("::1")
, 1 << libt::session::local_peer_class_id);
}
catch(std::exception &) {}
#endif
}
m_nativeSession->set_peer_class_filter(f);