X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/e8c395011302d085135535b2bf7ebd04d11f137f..225f5be34ce20050d34eb172ab2a640efede9efd:/Changes diff --git a/Changes b/Changes index 4783104..21c1d75 100644 --- a/Changes +++ b/Changes @@ -1,8 +1,304 @@ -* ? David Parrish ? +* Fri Dec 16 2005 Brendan O'Dea 2.1.15 +- Drop backtrace. +- Reduce logging of LCP EchoReply packets. +- Break LCP configure loop with shutdown. + +* Fri Dec 9 2005 Brendan O'Dea 2.1.14 +- Run PLUGIN_RADIUS_ACCOUNT for Start records. + +* Wed Dec 7 2005 Brendan O'Dea 2.1.13 +- Add test/ping-sweep. +- Apply spec changes from Charlie Brady: use License header, change + BuildRoot to include username. +- Fix IPCP negotiation of secondary DNS server, reported by Jon Morby. +- Clean up sessiont, removing some unused fields. +- Remove unused "MAC" config type. +- Reject unknown/unconfigured protocols on the master. +- Sanity check MRU before using in ppp_code_rej, protoreject. + +* Thu Nov 17 2005 Brendan O'Dea 2.1.12 +- Set MTU on tunnel interface so the kernel will re-fragment large + packets to within MRU. +- Fix TCP checksum recalc. +- NAK silly MRU values from peer. + +* Mon Nov 14 2005 Brendan O'Dea 2.1.11 +- Fix fragment handling in ip_filter. +- Exclude counter when comparing filter rules. + +* Sat Nov 5 2005 Brendan O'Dea 2.1.10 +- Add scripts/l2tpns-capture. +- Fix LCP Echo frequency. +- Add Framed-Route entries to RADIUS records. +- Reset restart counters correctly. +- Reset timers on sending ConfigReq. +- Only send one RADIUS Start record, even if IPCP is restarted. + +* Tue Oct 11 2005 Brendan O'Dea 2.1.9 +- Fix Calling-Station-Id in RADIUS accounting records (Slobodan Tomic). +- Fix RADIUS authentication on DAE responses. +- Don't send tunnel HELLO when there are pending control messages. +- Move plugin_radius_reset from *ctl to auto* plugins. +- Add Cisco-AVPairs to RADIUS accounting records via plugin_radius_account. + +* Mon Sep 19 2005 Brendan O'Dea 2.1.8 +- Move code from signal handlers into mainloop, avoiding a race + condition when forking CLI. + +* Fri Sep 16 2005 Brendan O'Dea 2.1.7 +- This time, for sure: really fix Protocol-Reject. + +* 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. +- 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. +- Remove "save_state" option. Not maintained anymore; use clustering + to retain state across restarts. +- Simplify AVP unhiding code. +- Add optional "username" parameter to ungarden control, allowing the + username to be reset before going online. +- Add result/error codes and message to StopCCN when shutting down tunnels. +- 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). +- Use cli_error() for error messages and help. +- 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. +- Make "show running-config" a privileged command (contains clear text + shared secrets). +- Add sessionctl plugin to provide drop/kill via nsctl. +- 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 + changes, propagated in the heartbeats; the master with the highest # + of changes (that has kept in contact with the LAC through the + outage) prevails. +- Skip newlines in ringbuffer messages to CLI. +- Drop "Session N is closing" message level to 4; don't process PPPIP + packets in this state. +- Use gzip --best for man pages, include pid_file in sample + startup-config (from Jonathan's Debian package patches). +- Read multiple packets off cluster_sockfd as well as udpfd, tunfd in an + attempt to avoid losing the cluster in high load (DoS) conditions. +- Add counters for select_called, multi_read_used and multi_read_exceeded. +- Compress logs. +- Retain counters of shutdown sessions to dump once per minute. +- Use standard uintN_t types for portability. + +* Wed Dec 1 2004 Brendan O'Dea 2.0.12 +- The "This time, for sure!" release. +- Fix throttlectl plugin argument parsing. + +* Wed Dec 1 2004 Brendan O'Dea 2.0.11 +- Don't send a RADIUS start record when ungardening on shutdown. + +* Wed Dec 1 2004 Brendan O'Dea 2.0.10 +- Fix byte ordering of LCP header length (thanks Yuri). +- Increase ip_conntrack_max due to dropped packets. + +* Tue Nov 30 2004 Brendan O'Dea 2.0.9 +- Revise CCP, send ConfigReq once only. +- Don't copy the old buffer into Config{Nak,Rej} LCP responses (oops); + add length checks when appending. +- Do copy the identifier from the request and update length. +- Have makeppp print a backtrace on overflow. +- Check control serial before clearing window, prevents looping tunnel + setup in some instances. +- Implement named access-lists which may be applied to a session + either via Filter-Id RADIUS responses, or using the CLI. +- Drop ip address from LOG. +- autothrottle: revise parsing; ignore lcp:interface-config avpairs + which don't start with serv[ice-policy]. +- Add THANKS file. + +* Sat Nov 20 2004 Brendan O'Dea 2.0.8 +- Ignore gateway address in Framed-Route (from Jonathan McDowell). +- Don't route Framed-IP-Address if contained in a Framed-Route. +- Call sessionshutdown() when a tunnel is dropped rather than + sessionkill() to ensure that RADIUS stop records are sent. +- Cleanup: make a bunch of global functions/variables static. +- Remove reference to old -a command line argument. +- Add l2tpns(8) and nsctl(8) manpages from Jonathan McDowell. +- Add startup-config(5) manpage. +- Revise nsctl to allow arbitrary strings/args to be passed to plugins. +- Add snoopctl, throttlectl plugins. +- Fix deletion from linked list. +- Allow LCP re-negotiation after connection completes (thanks Yuri). + +* Mon Nov 15 2004 Brendan O'Dea 2.0.7 +- Fix socket creation in host_unreachable() (thanks to Bjørn Augestad) +- Don't assume BGP peer sends back negotiated hold time, pick smallest + +* Thu Nov 11 2004 Brendan O'Dea 2.0.6 +- Make BGP keepalive/hold time configurable +- Revise BGP config to use "router bgp AS" syntax (requires libcli >= 1.8.2) + +* Tue Nov 9 2004 Brendan O'Dea 2.0.5 +- Handle routing properly in lone-master case +- Fix intercepts: don't double-snoop throttled customers, ensure + byte/packet counts are only updated once +- Add a callback to allow plugins to fetch values from the running config + +* Mon Nov 8 2004 Brendan O'Dea 2.0.4 +- Added setrxspeed plugin +- Added peer_address config option +- Rename wrapper macros to LOG()/LOG_HEX(), use p->log() in plugins +- Replace some PPP{PAP,CHAP} magic numebrs with constants +- Nak asyncmap (unless == 0) +- Bundle ConfigRej options +- Clean up initlcp handling + +* Wed Nov 3 2004 Brendan O'Dea 2.0.3 - Added support for hidden AVPs by Robert Clark - l2tpns-chap-response.patch from Robert Clark -- merge l2tpns-config-hostname.patch from Robert Clark +- Merge l2tpns-config-hostname.patch from Robert Clark - l2tpns-dont-timeshift-unidirectional-traffic.patch from Robert Clark - Dump accounting data if cin OR cout is non-zero +- Don't write accounting files if no accounting dir is set - Yuri +- Fix checking for mmap success +- Renegotiate MRU - Yuri +- Take LCP ConfigReq length from the packet length field - Yuri +- Hostname set via command line not config +- Make number of throttle buckets configurable +- Shared_malloc returns NULL on failure +- Sync changes +- Unfsck 4->8 indenting change +- Use 2 seperate u16 values for throttle rate in/out +- Defer adding radius fds to the select loop until become_master * Thu Sep 02 2004 David Parrish 2.0.2 - Combined LCP patches from Iain and Yuri. This should allow Windows 2k/XP @@ -143,4 +439,3 @@ - Remove plugin_config support - Remove old support for TBF which didn't work anyway. HTB is required to do throttling now. - Add COPYING and Changes files -