Tor 0.1.2.19 fixes a huge memory leak on exit relays, makes the default exit policy a little bit more conservative so it's safer to run an exit relay on a home system, and fixes a variety of smaller issues. https://www.torproject.org/download.html Changes in version 0.1.2.19 - 2008-01-17 o Security fixes: - Exit policies now reject connections that are addressed to a relay's public (external) IP address too, unless ExitPolicyRejectPrivate is turned off. We do this because too many relays are running nearby to services that trust them based on network address. o Major bugfixes: - When the clock jumps forward a lot, do not allow the bandwidth buckets to become negative. Fixes bug 544. - Fix a memory leak on exit relays; we were leaking a cached_resolve_t on every successful resolve. Reported by Mike Perry. - Purge old entries from the "rephist" database and the hidden service descriptor database even when DirPort is zero. - Stop thinking that 0.1.2.x directory servers can handle "begin_dir" requests. Should ease bugs 406 and 419 where 0.1.2.x relays are crashing or mis-answering these requests. - When we decide to send a 503 response to a request for servers, do not then also send the server descriptors: this defeats the whole purpose. Fixes bug 539. o Minor bugfixes: - Changing the ExitPolicyRejectPrivate setting should cause us to rebuild our server descriptor. - Fix handling of hex nicknames when answering controller requests for networkstatus by name, or when deciding whether to warn about unknown routers in a config option. (Patch from mwenge.) - Fix a couple of hard-to-trigger autoconf problems that could result in really weird results on platforms whose sys/types.h files define nonstandard integer types. - Don't try to create the datadir when running --verify-config or --hash-password. Resolves bug 540. - If we were having problems getting a particular descriptor from the directory caches, and then we learned about a new descriptor for that router, we weren't resetting our failure count. Reported by lodger. - Although we fixed bug 539 (where servers would send HTTP status 503 responses _and_ send a body too), there are still servers out there that haven't upgraded. Therefore, make clients parse such bodies when they receive them. - Run correctly on systems where rlim_t is larger than unsigned long. This includes some 64-bit systems. - Run correctly on platforms (like some versions of OS X 10.5) where the real limit for number of open files is OPEN_FILES, not rlim_max from getrlimit(RLIMIT_NOFILES). - Avoid a spurious free on base64 failure. - Avoid segfaults on certain complex invocations of router_get_by_hexdigest(). - Fix rare bug on REDIRECTSTREAM control command when called with no port set: it could erroneously report an error when none had happened.
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