X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/ebfbe027e3fe32af51621bc1988078de1ad47f02..7f7035065fbda79eceac7939125a1e4515b8af41:/Changes diff --git a/Changes b/Changes index 4b07b11..41c55be 100644 --- a/Changes +++ b/Changes @@ -1,39 +1,65 @@ -* Thu Jun 2 2005 Brendan O'Dea 2.1.0 +* Fri Sep 16 2005 Brendan O'Dea 2.1.6 +- Any traffic on a tunnel resets lastrec, not just control messages. +- Use a unique identifier for LCP. +- Fix Code-Reject/Protocol-Reject. +- Add l2tp_mtu configuration option, used to define MRU, MSS. +- Adjust TCP MSS options in SYN and SYN,ACK packets to avoid + fragmentation of tcp packets. + +* Sat Sep 3 2005 Brendan O'Dea 2.1.5 +- Avoid Code-Reject loop. +- Increase size of PPP buffers to MAXETHER. +- Bug fixes for CLI ringbuffer and tunnel HELLO from Yuri. +- Restart rather than halt BGP on receipt of CEASE (Dominique Rousseau). +- Add cluster_mcast_ttl option to allow a cluster to span multiple + subnets (suggested by Tim Devries). + +* Mon Aug 29 2005 Brendan O'Dea 2.1.4 +- Drop level of "Unexpected CHAP message" log. +- Fix parsing of ProtocolRej (allow 1 or two byte protocols). +- Handle rejection of MRU negotiation by peer. +- Use local hostname for tunnel in SCCRP (Alex Kiernan). + +* Wed Aug 17 2005 Brendan O'Dea 2.1.3 +- Fail IPCP negotiation only on ConfigRej of IP-Address. + +* Wed Aug 10 2005 Brendan O'Dea 2.1.2 +- Clear cluster_master on election so that slaves will accept a new master. +- Provide more comments/defaults in etc/startup-config.default. +- Add DAE support (PoD/CoA) from Vladislav Bjelic. +- Clean up new warnings from gcc 4.0. +- Replace flags used for LCP/IPCP with state machine. +- Include Acct-Session-Time in interim records. +- Fix DAE vector, generateload (Alex Kiernan). +- Replace RSA MD5 with public domain version. + +* Tue Jun 14 2005 Brendan O'Dea 2.1.1 +- Add missing newline to backtrace macro. +- Don't send CDN for each session when shutting down tunnels (this is + implicit). +- Move tunnel shutdown from SIGQUIT signal handler to be run once from + still_busy(). Reject new tunnels/sessions while in the process of + shutting down. +- Clarify usage of shutdown signals in documentation. +- Always initialise PRNG. +- Sanity check length of random_vector. +- Fix segv in unhide_value. +- Ping new master when we get C_MASTER and delay next election to allow + the unicast limp-along code to kick in if required. + +* Sun Jun 5 2005 Brendan O'Dea 2.1.0 - Add IPv6 support from Jonathan McDowell. - Add CHAP support from Jordan Hrycaj. - Add interim accounting support from Vladislav Bjelic. - Negotiate MRU, default 1458 to avoid fragmentation. - Sanity check that cluster_send_session is not called from a child process. -- Throttle outgoing LASTSEEN packets to at most one per second for a - given seq#. -- More DoS prevention: add packet_limit option to apply a hard limit - to downstream packets per session. - Use bounds-checking lookup functions for string constants. - Add enum for RADIUS codes. - Make "call_" prefix implict in CSTAT() macro. - Fix some format string problems. -- Fix "clear counters". -- Log "Accepted connection to CLI" at 4 when connection is from localhost - to reduce noise in logs. -- Show time since last counter reset in "show counters". - Remove "save_state" option. Not maintained anymore; use clustering to retain state across restarts. -- Ensure that sessionkill is not called on an unopened session (borks - the freelist). -- Bump MAXSESSION to 60K. -- Fix off-by-one errors in session/tunnel initialisation and - sessiont <-> sessionidt functions. -- Use session[s].opened consistently when checking for in-use sessions - (rather than session[s].tunnel). -- Use <= cluster_highest_sessionid rather than < MAXSESSION in a - couple of loops. -- Don't kill a whole tunnel if we're out of sessions. -- Change session[s].ip to 0 if set from RADIUS to 255.255.255.254; - avoids the possibility that it will be interpreted as a valid IP - address. -- Avoid a possible buffer overflow in processpap. -- Kill session if authentication was rejected. - Simplify AVP unhiding code. - Add optional "username" parameter to ungarden control, allowing the username to be reset before going online. @@ -41,44 +67,91 @@ - Add result/error codes to CDN when shutting down sessions. Sends 2/7 (general error, try another LNS) when out of IP addresses, and 3 (adminstrative) for everything else (suggestion from Chris Gates). -- Only send RADIUS stop record in sessionshutdown when there's an ip address. -- Reset .die on master takeover (so that dying sessions don't have to - hang around until the new master has the same uptime as the old one). -- Update .last_packet in cluster_handle_bytes only when there have - been bytes received from the modem (dead sessions were having the - idle timeout reset by stray packets). - Use cli_error() for error messages and help. -- Add a Cisco-Avpair with intercept details to RADIUS Start/Stop - records. - Don't use LOG() macro in initdata() until the config struct has been allocated (uses config->debug). - Initialise log_stream to stderr to catch errors before the config file is read. -- Fix leak in session freelist when initial RADIUS session allocation - fails. - Make "show running-config" a privileged command (contains clear text shared secrets). - Add sessionctl plugin to provide drop/kill via nsctl. -- Add handling of "throttle=N" RADIUS attributes. -- Fix RADIUS indexing (should have 16K entries with 64 sockets). -- Cluster changes from Michael, intended to prevent a stray master - from trashing a cluster: - + Ignore heartbeats from peers claiming to be the master before the - timeout on the old master has expired. - + A master receiving a stray heartbeat sends a unicast HB back, which - should cause the rogue to die due to the tie-breaker code. - + Keep probing the master for late heartbeats. - + Drop BGP as soon as we become master with the minumum required peers. - + Any PING seen from a master forces an election (rather than just - where basetime is zero). - + A slave which receives a LASTSEEN message (presumably a restarted - master) sends back new message type, C_MASTER which indicates the - address of the current master. -- New config option: cluster_master_min_adv which determines the minimum - number of up to date slaves required before the master will drop - routes. - New config option: allow_duplicate_users which determines whether or not to kill older sessions with the same username. +- Fix byte counters in accounting records. +- Add Acct-Output-Gigawords, Acct-Input-Gigawords attributes to RADIUS + accounting packets. +- Fix icmp host unreachable to use router address. +- Include endpoint address in accounting dump files. +- Convert mainloop to use epoll rather than select. +- Add note about fragmentation in Docs/manual.html, and a sample + iptables rule for MSS clamping. +- Merge 2.0.22: + + Show session open time in "show session"/"show user" detailed output. + + Have slaves with BGP configured drop BGP on receipt of a shutdown + signal, but hang about for an additional 5s to process any remaining + traffic. + + Run regular_cleanups after processing the results of the select, + looking at a sufficient slice of each table to ensure that all + entries are examined at least once per second. +- Merge 2.0.21: + + Cluster changes from Michael, intended to prevent a stray master + from trashing a cluster: + = Ignore heartbeats from peers claiming to be the master before the + timeout on the old master has expired. + = A master receiving a stray heartbeat sends a unicast HB back, which + should cause the rogue to die due to the tie-breaker code. + = Keep probing the master for late heartbeats. + = Drop BGP as soon as we become master with the minumum required peers. + = Any PING seen from a master forces an election (rather than just + where basetime is zero). + = A slave which receives a LASTSEEN message (presumably a restarted + master) sends back new message type, C_MASTER which indicates the + address of the current master. + + New config option: cluster_master_min_adv which determines the minimum + number of up to date slaves required before the master will drop + routes. +- Merge 2.0.20: + + Add handling of "throttle=N" RADIUS attributes. + + Fix RADIUS indexing (should have 16K entries with 64 sockets). +- Merge 2.0.19: + + Fix leak in session freelist when initial RADIUS session allocation + fails. +- Merge 2.0.18: + + Add a Cisco-Avpair with intercept details to RADIUS Start/Stop + records. +- Merge 2.0.17: + + Only send RADIUS stop record in sessionshutdown when there's an ip address. + + Reset .die on master takeover (so that dying sessions don't have to + hang around until the new master has the same uptime as the old one). + + Update .last_packet in cluster_handle_bytes only when there have + been bytes received from the modem (dead sessions were having the + idle timeout reset by stray packets). +- Merge 2.0.16: + + Ensure that sessionkill is not called on an unopened session (borks + the freelist). + + Bump MAXSESSION to 60K. + + Fix off-by-one errors in session/tunnel initialisation and + sessiont <-> sessionidt functions. + + Use session[s].opened consistently when checking for in-use sessions + (rather than session[s].tunnel). + + Use <= cluster_highest_sessionid rather than < MAXSESSION in a + couple of loops. + + Don't kill a whole tunnel if we're out of sessions. + + Change session[s].ip to 0 if set from RADIUS to 255.255.255.254; + avoids the possibility that it will be interpreted as a valid IP + address. + + Avoid a possible buffer overflow in processpap. + + Kill session if authentication was rejected. +- Merge 2.0.15: + + More DoS prevention: add packet_limit option to apply a hard limit + to downstream packets per session. + + Fix "clear counters". + + Log "Accepted connection to CLI" at 4 when connection is from localhost + to reduce noise in logs. + + Show time since last counter reset in "show counters". +- Merge 2.0.14: + + Throttle outgoing LASTSEEN packets to at most one per second for a + given seq#. * Fri Dec 17 2004 Brendan O'Dea 2.0.13 - Better cluster master collision resolution: keep a counter of state