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* Fix bugs in vty error handlingex25bChris Hall2012-06-081-363/+867
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Advance version to 0.99.20ex25b. Bug fixes: * when closing a vty, if close() returned an error, the vtys would fall into a loop trying to recover. This was found on FreeBSD, which will return ECONNRESET on close(), which is not standard POSIX behaviour. * when closing a vty in response to EPIPE or ECONNRESET, managed to leave the vty mutex locked. This stopped the Routing Engine *dead* on the next CLI command that required the Routing Engine. SIGTERM/SIGINT would not stop bgpd -- a SIGKILL would be required. Other changes: * toned down the error reporting of EPIPE in the vty -- so no longer looks like an error... ...closing a vty by "exit" command is logged as "closed" ...closing a vty in response to the client closing their end of the connection is logged as "terminated: terminal closed", and no longer logs an EPIPE error. * changed error reporting on close() and shutdown() for vty, so that nothing is logged if an i/o error has already logged... ...so that redundant error messages are suppressed. * applied slightly finer jittering to bgpd timers. * work in progress on new vtysh.
* Tidy up after testing on FreeBSD 9.0Chris Hall2012-04-171-2/+4
| | | | | | | | | | | | | | | | gcc 4.6.1 picked up a couple of (spurious) "may be used unitialised" variables -- fixed. For reasons unknown FreeBSD unistd.h declares _POSIX_THREAD_SAFE_FUNCTIONS as -1... which tripped a CONFIRM(). _POSIX_SPIN_LOCKS is declared 200112, and according to POSIX-2004 _POSIX_SPIN_LOCKS => _POSIX_THREAD_SAFE_FUNCTIONS -- so it is a bit of a surprise (though the statement in POSIX is in the context of support for "Advanced Realtime Threads", which includes _POSIX_SPIN_LOCKS)... Recast to warn instead of generate compilation error. Fixed test-prefix.c to work with uint8_t sa_family_t !
* Remove a number of "assigned but unused" warnings and other WIPChris Hall2012-04-102-7/+4
| | | | | | | | | | | | | | -Wunused-but-set-variable throws up a number of errors, this patch removes some of thos in bgpd, lib and zebra. Fix crash in vty when using ">*" /dev/null output pipe. Work in Progress (WIP): 1) adding "Watch-Dog" pthread to keep an eye on all other pthreads and state of mutexes etc. 2) creation of Integrated Configuration in vtysh.
* Fix ip6_masklen() so that does not require non-standard cast to union.Chris Hall2012-03-301-2/+2
| | | | | | | Avoids gcc-ism and replaces passing 16 byte structure by passing address of same. Compiled code appears very similar to previous state. Fixed all calls of ip6_masklen() to suit.
* Rework prefix.c to remove large-ish tables of things.Chris Hall2012-03-261-10/+168
| | | | | | | | | | | | | | | | | | | A few instructions are probably better than a large table and cache misses. Uses __builtin_clz() if __GNUC__ or ffs() if not. Handling IPv6 addresses as four uint32_t improves some code and allows some code sharing between IPv4 and IPv6. Updated test-prefix.c to test apply_mask_ipv4() and apply_mask_ipv6() which were affected by these changes, and added more random trailing rubbish for the test of test_prefix_common_bits() which is more sensitive to that if not __GNUC__. Under -Os gcc may not inline some functions if they are used often enough -- even when explicitly declared inline. You have to be firm with it and use __attribute__((always_inline)).
* Merge branch 'master' into euro_ix_bex23bChris Hall2012-03-232-19/+29
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | v0.99.20ex23b -- Quagga 'master' as at 23-Mar-2012 Conflicts: bgpd/bgp_attr.c bgpd/bgp_attr.h Difference between 'master' and 0.99.20.1 is in these files. Handling of attributes has been worked over again to common up checks of the flags, and to use a common parsing structure, which reduces the clutter of parameters for the individual attribute parsing functions. bgpd/bgp_open.c bgpd/bgp_packet.c lib/thread.c ospfd/ospf_packet.c These were artifacts, caused by common patches in master and 0.99.20.1 -- and some twitchy-ness about whitespace !
* | Merge Quagga master branch -- as of 1-Mar-2012 -- into euro_ix_bex21bChris Hall2012-03-177-48/+1452
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Version 0.99.20ex21b This brings us up to date with: commit 48f99b0c2bfed8d3880732d188e1d5964f575ee4 Date: Thu Sep 29 16:55:23 2011 +0400 release: 0.99.20 and the subsequent: commit dc00d2bb56aa6a84dd2328133f69db3c3e6d9dc7 Date: Sun Jan 8 14:47:06 2012 +0000 Marker merge for 'RE-0.99.17.6' This marker merge (i.e. an 'ours' strategy merge) is a placeholder to show that all commits in Quagga-RE stable, to its release RE-0.99.17.6 tag, have been reviewed and merged into 'master'. and then further commits (in descending date order) commit b51a3a31500133e3e26f12e7639f297c655bc735 commit ef2d5d100431031c32ea35b3c834b46cff16f511 commit 4c78376f96cd2ca56f1c6476b76fd659654431f5 commit e854095932260b3e6187902aa9a7baa0e96b9428 commit e6b03b77766dce8009ad7b4a2392e14addf4ab0f commit c25eaffdb2190149e768dc4ee4efc913c6d02992 commit d034aa027ef44d0a74805c27ad2a4d8ea20395d1 commit 907fd95e502e10334e5390c73cc57588b88b8171 commit 7fd6cd819ff98f0580b745ba637990df9c20ef0f commit 4c0cf00afc4340a429a9c4830f638b4593d7c3af commit 4afa50b393ff1fb34dd577888a05b81dfdced5af commit 6eb0c5ab1d43bcf9edd4fefd19031f2b96ded728 commit aca43b656623f38dfa6ea835dacbdfec51d03a67 commit 6bb1273e83c29b3aeff9584bc8f6272e773294ad commit d660f698427277ce695a5b756f3143c8304274ea commit 6134b875f39986564aced5e2d7329fcd852f17f4 commit b4e45f67057be22133b6bec88cdf285d5c8214db commit 6eac79a6fed4842e00607c00c445213b51bba377 commit cb32fd690a957819865219a847e3c21a53a0f419 commit 73bfe0bd9adb8e4dfcee7239e56a425c6d58f4e9 commit f768f367bcd1f37a53c563495176a5a134caf234 commit c7ec179a95c1ed4fcd3d3be3f981c8c20dce534a commit cddf391bf6839e9f093cef15508669c1f3f92122 commit 5a616c08ce089e25dc0e8da920727af4d11279bf commit 6ae93c058725991df5a9ae35cefec368919b5fea commit fc98d16ea77372f4ab4231e8904f8467e8d1ef71 A summary of the changes that relate to bppd, zebra and the lib follows. bgpd changes * attribute handling: (a) now checks the flag byte for all attributes and issues suitable log messages and notifications, (b) reports some length issues that previously let slide (local pref). Tighten End-of-RIB detection -- now iff an MP_UNREACH is the *only* attribute and no ordinary update or withdraw. * added --socket/-z option -- sets zebra socket name * sets IPv6 tclass as required * improved next hop handling and added "show ip bgp scan" and "show ip bgpd scan detail" commands. see commits: fc98d16ea77372f4ab4231e8904f8467e8d1ef71 0e8032d69961ae196c11ba6ead856084c7acf7c2 b64bfc1c4a552fc0b4dd024d5f77171ec848a5df 318f0d8a7f5e8e87086bbf2a9e7c4b35638951ac 8e80bdf20f493a71bcf74262ed3aa3a2437f4df6 f04a80a5d209dbb54f6fec5d0149b7c0e489d29e * removed SAFI_UNICAST_MULTICAST * fiddled with SAFI_MPLS_LABELED_VPN -- unsure if this is now complete -- stuff here TODO ! * support for multicast SAFI see commits: 73bfe0bd9adb8e4dfcee7239e56a425c6d58f4e9 5a616c08ce089e25dc0e8da920727af4d11279bf * added "match probability" commands * uses "route_types.txt" more effectively -- which affects the implementation of "redistribute" commands see commit: e0ca5fde7be5b5ce90dae78c2477e8245aecb8e9 * "nexthop-local unchanged" included in configuration. zebra changes * some whitespace change clutter :-( * ZEBRA_HELLO and mopping up routes (BZ#448) * implement route_types.h * support for SAFI_MULTICAST commit f768f367bcd1f37a53c563495176a5a134caf234 IPv6 MP-BGP Routes addition and deletion commit cddf391bf6839e9f093cef15508669c1f3f92122 IPv4 MP-BGP Routes addition and deletion * brought up to date with RFC6275 * add --socket/-z option * add "ipv6 nd mtu <1-65535>" commands lib changes * filter-list handling -- does not free the filter-list before calling the delete_hook(). However, unlike commit 6a2e0f36b103386e57dbe3a6ee4716e809111198 *does* remove the filter-list from the name look-up, before calling the delete_hook() -- which I believe works better. * md5.c now includes RFC 2104 HMAC However fixed to remove compiler warning, by replacing use of caddr_t by unsigned char*. Some phantom whitespace changes elsewhere * prefix.c: commits d171bf58ef12ace43d48565e6870722dece1e6ed 051954f574b9c26458518a7029aeed118f0da620 9663386f16e6285a322747514527fdf1d19788e4 - optimise masklen2ip() and apply_mask_ipv4() -- the version here should work on a Big-Endian machine as well. - optimise ip_masklen() -- the version here should (a) work on a Big-Endian machine, (b) give the same result as before if the netmask is not, in fact, valid, and (c) uses just 256 bytes of table -- not 64K. Version here is probably not quite as fast as the previous patch... but certainly faster that what was there before. * zclient.c: introduced zclient_serv_path, for general zclient and for bgpd zlookup. Added ZEBRA_HELLO to client start. Added safi to ipv4 and ipv6 route add/delete.
| * build: delete .cvsignore filesDenis Ovsienko2011-12-131-22/+0
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| * bgpd: add flag checks for MP_(UN)REACH_NLRIDenis Ovsienko2011-10-171-2/+2
| | | | | | | | | | | | | | | | | | | | * bgp_attr.[ch] * bgp_mp_reach_parse(): add extra arguments and a uniform flag check block * bgp_mp_unreach_parse(): idem * bgp_attr_parse(): provide extra arguments * bgp_mp_attr_test.c * parse_test(): justify respective calls
| * bgpd: more SAFI fixesDenis Ovsienko2011-09-292-19/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (with resolved conflict in bgpd/bgp_packet.c) Two macros resolving to the same integer constant broke a case block and a more thorough merge of BGP_SAFI_VPNV4 and BGP_SAFI_VPNV6 was performed. * bgpd.h: MPLS-labeled VPN SAFI is AFI-independent, switch to single * macro * bgp_capability_test.c: update test data * bgp_mp_attr_test.c: idem * bgp_route.c: (bgp_maximum_prefix_overflow, bgp_table_stats_vty) update macro and check conditions (where appropriate) * bgp_packet.c: (bgp_route_refresh_send, bgp_capability_send, bgp_update_receive, bgp_route_refresh_receive): idem * bgp_open.c: (bgp_capability_vty_out, bgp_afi_safi_valid_indices, bgp_open_capability_orf, bgp_open_capability): idem * bgp_attr.c: (bgp_mp_reach_parse, bgp_packet_attribute, bgp_packet_withdraw): idem
| * delete CVS keywordsDenis Ovsienko2011-09-271-2/+0
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* | Fix broken prefix-list handling in bgpdChris Hall2012-02-291-42/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some changes to symtab.c had broken the symbol reference handling for prefix-lists in plist.c This commit further "improves" the symbol table functions, to support current use rather better. One key change is that the symbol table supports the notion of a symbol which is "set", so has some value other than its name. In the case of prefix-lists, a prefix-list is "set" when there is at least one (valid) entry or a description has been set. Changes include: * small changes in bgpd/bgp_clist.c where symbol table function names have changed and other small differences. * similarly in bgpd/bgp_peer_index.c, but here also clarified ownership of the peer index entries, and ensured that the symbol table stuff does *not* free same. * in bgpd/bgp_route.c fixed the handling of references to prefix-lists. Newer symbol handling more clearly identifies when a symbol has some value "set". * in bgpd/bgp_vty.c similarly, when showing state of filtering the "*" against a prefix-list means it is "set". * in lib/plist.c -- adjust to newer symbol table stuff. Fix issues will add_hook and delete_hook. Changed lookup so that if plist is not set, then lookup will return not-found -- so works as before (!). * adjusted test for symbol stuff.
* | Fix bug in stream_put_ipv4()Chris Hall2012-02-241-8/+672
| | | | | | | | | | | | | | | | Revised stream functions and built more throrough test program for same. Introduced functions in prefix.c to support both stream_put_prefix() and stream_get_prefix() -- ensuring that does not exceed possible sizes and does not output or input any bits beyond the prefix length.
* | vtysh partly restored. bgpd not crashing on over-size messages.Chris Hall2012-02-1920-133/+159
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | NB: this is a partial interim version -- NOT for production. Reinstate vtysh. In bgpd: cope better with generating oversize messages. The "pipework" branch is no more. There is now "euro_ix" and "euro_ix_b", where 'b' stands for 'bleedin'. The "pipework" is currently in 'bleedin'. Version updated to: 0.99.18ex20b Major changes in this commit: * modified bgpd to avoid crashing if an oversize message is created. At present, any oversize messages are simply discarded. This may be a mistake... since it is possible that some routes that should have been withdrawn are not. TBA. The stream lib facilities have been overhauled to may this easier. * restoring vtysh. At present the vtysh is thought to work, except that it does not currently create integrated configuration files. For the time being, *only* the following compile: lib, bgpd, zebra, vtysh, tests All other daemons will fail to compile, and must be disabled.
* | Update the scaled number output and memory show commands.Chris Hall2011-09-062-1/+1149
| | | | | | | | | | | | | | | | | | | | | | Functions to output scaled decimal and binary numbers were implemented for memory show commands. Those have been generalised and placed in the qfstring.c. The memory show commands have been updated to use the newer functions, and a small test program for those has been implemeted. Other small updates to qfstring.c, qstring.c and qpath.c.
* | Merge branch 'pipework' of /git/quagga.euro-ix into euro_ix_bChris Hall2011-09-051-0/+2
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| * | Changed gcc options to -std=c99 and -O2, and tighted warnings.Chris Hall2011-09-021-0/+2
| | | | | | | | | | | | Some small changes to accomodate same.
* | | Updated the "symbol table" and added AVL treeChris Hall2011-08-264-46/+1240
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Modified the symbol table so that the name of the symbol is now a property of its value -- which simplifies some of the semantics, because the name no longer has a separate existence (a name which refers to an empty or undefined value is now a matter for the value, not for the symbol table). It also allows for the symbol table to be used where the value and the name are almost indistinguishable. Introduced AVL tree to support large prefix lists, routemaps, etc. etc. Updated testsymtab and added testavl. Updated exiting use of the symbol table.
* | Merge branch 'euro_ix' of /git/quagga.euro-ix into pipeworkex18pChris Hall2011-08-122-25/+308
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge with euro_ix branch v0.99.18ex17. Update version to: 0.99.18ex18p Of particular note: * includes support for GTSM: neighbor ... ttl-security hops X no neighbor ... ttl-security hops X where X is 1-254. For usual case of immediately connected peer, X == 1. Cannot set ttl-security while ebgp-multihop is set, and vice-versa. If underlying O/S does not support GTSM, then will set ttl as per ebgp-multihop. In passing, have fixed various bugs in the main Quagga branch. * initial support for draft-ietf-idr-optional-transitive Does not yet support "neighbor-complete" flag. * main Quagga now uses TCP_CORK and permanent non-blocking Do not beleive TCP_CORK to be necessary for euro_ix code... which has a different buffering strategy. The euro_ix code already runs sockets permanently non-blocking. * various fixes to attribute intern/unintern Trying to remove memory leaks. Nobody seems convinced that this has been perfected, yet. * fixes for ospfd and ospf6d issues. Up to date with master branch up to: commit 538cb284864c17de66152a5236db4cd80e3e7639 Merge: 036a6e6 8ced4e8 Author: Paul Jakma <paul@quagga.net> Date: Fri Jul 29 18:21:50 2011 +0100
| * | Merge with main Quagga source as of 29-Jul-2011.ex17Chris Hall2011-08-122-25/+308
| |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Create euro_ix branch. Update version to: 0.99.18ex17 Of particular note: * includes support for GTSM: neighbor ... ttl-security hops X no neighbor ... ttl-security hops X where X is 1-254. For usual case of immediately connected peer, X == 1. Cannot set ttl-security while ebgp-multihop is set, and vice-versa. If underlying O/S does not support GTSM, then will set ttl as per ebgp-multihop. In passing, have fixed various bugs in the main Quagga branch. * initial support for draft-ietf-idr-optional-transitive Does not yet support "neighbor-complete" flag. * main Quagga now uses TCP_CORK and permanent non-blocking Do not beleive TCP_CORK to be necessary for euro_ix code... which has a different buffering strategy. The euro_ix code already runs sockets permanently non-blocking. * various fixes to attribute intern/unintern Trying to remove memory leaks. Nobody seems convinced that this has been perfected, yet. * fixes for ospfd and ospf6d issues. Up to date with master branch up to: commit 538cb284864c17de66152a5236db4cd80e3e7639 Merge: 036a6e6 8ced4e8 Author: Paul Jakma <paul@quagga.net> Date: Fri Jul 29 18:21:50 2011 +0100
| | * bgpd: Implement revised error handling for partial optional/trans. attributesPaul Jakma2011-03-211-6/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * BGP error handling generally boils down to "reset session". This was fine when all BGP speakers pretty much understood all BGP messages. However the increasing deployment of new attribute types has shown this approach to cause problems, in particular where a new attribute type is "tunneled" over some speakers which do not understand it, and then arrives at a speaker which does but considers it malformed (e.g. corruption along the way, or because of early implementation bugs/interop issues). To mitigate this drafts before the IDR (likely to be adopted) propose to treat errors in partial (i.e. not understood by neighbour), optional transitive attributes, when received from eBGP peers, as withdrawing only the NLRIs in the affected UPDATE, rather than causing the entire session to be reset. See: http://tools.ietf.org/html/draft-scudder-idr-optional-transitive * bgp_aspath.c: (assegments_parse) Replace the "NULL means valid, 0-length OR an error" return value with an error code - instead taking pointer to result structure as arg. (aspath_parse) adjust to suit previous change, but here NULL really does mean error in the external interface. * bgp_attr.h (bgp_attr_parse) use an explictly typed and enumerated value to indicate return result. (bgp_attr_unintern_sub) cleans up just the members of an attr, but not the attr itself, for benefit of those who use a stack-local attr. * bgp_attr.c: (bgp_attr_unintern_sub) split out from bgp_attr_unintern (bgp_attr_unintern) as previous. (bgp_attr_malformed) helper function to centralise decisions on how to handle errors in attributes. (bgp_attr_{aspathlimit,origin,etc..}) Use bgp_attr_malformed. (bgp_attr_aspathlimit) Subcode for error specifc to this attr should be BGP_NOTIFY_UPDATE_OPT_ATTR_ERR. (bgp_attr_as4_path) be more rigorous about checks, ala bgp_attr_as_path. (bgp_attr_parse) Adjust to deal with the additional error level that bgp_attr_ parsers can raise, and also similarly return appropriate error back up to (bgp_update_receive). Try to avoid leaking as4_path. * bgp_packet.c: (bgp_update_receive) Adjust to deal with BGP_ATTR_PARSE_WITHDRAW error level from bgp_attr_parse, which should lead to a withdraw, by making the attribute parameter in call to (bgp_nlri_parse) conditional on the error, so the update case morphs also into a withdraw. Use bgp_attr_unintern_sub from above, instead of doing this itself. Fix error case returns which were not calling bgp_attr_unintern_sub and probably leaking memory. * tests/aspath_test.c: Fix to work for null return with bad segments
| | * tests: Extend aspath_test.c with cases for invalid segments & attributesPaul Jakma2011-03-211-10/+281
| | | | | | | | | | | | | | | | | | | | | | | | | | | * aspath_test.c: Add more test cases. In particular ones to cover the last invalid-segment problem. Also add ability to specify aspath attribute headers and test them somewhat. NB: It's obvious this test has not been run for a year by anyone, despite 2 non-trivial commits to bgpd aspath code.
| | * bgpd: fix handling of AS path dataChris Hall2010-08-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * bgpd/bgp_aspath.c * assegments_parse(): add handling of AS4_PATH input, update bounds checks, add check for AS segment type * aspath_parse(): add handling of AS4_PATH input, expect assegments_parse() to do length checking * aspath_empty(): update for the new function prototype * bgpd/bgp_aspath.h: ditto * tests/aspath_test.c: ditto * bgpd/bgp_attr.c * bgp_attr_aspath(): add handling of AS4_PATH input, update flags checks, change returned type * bgp_attr_as4_path(): discard, superseded by bgp_attr_aspath() * bgp_attr_parse(): update respectively
* | | Disable the "~" VTY Terminal prompt.Chris Hall2011-07-211-64/+239
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commands sent to the Routing Engine are now sent as priority messages, so should no longer be a need for the "~" prompt which kept the CLI "live" while a command was waiting for the Routing Engine to pay attention. Also: reinstated test-vector.c tests for vector_move_item_here(), which seem somehow to have got lost.
* | | Update pipework and improve memory reporting.Chris Hall2011-07-213-240/+560
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Improve error handling for all new pipework inputs and outputs. Change behaviour of ^C from VTY Terminal, so that will interrupt output and terminate all running pipes -- including running shell commands. In pipe commands, recognise "~/..." and "~user/..." home directory forms. Changed "~/" to mean the usual home for the current user. "~~/" now means the configuration file directory. Introduced "shdir DIR" command to show what is (currently) what. Changed "<|" so that if the command has a path, it is expanded using Quagga's rules (including "~~/" and "~./") and the "here" directory is set to that path. Fixed collection of stderr output from all pipes so that is separate from stdout output, and is always sent to the base output (eg VTY Terminal). Increase amount of information about the heap that "show mem" shows -- particularly if the "memory_tracker" is enabled. Tested and applied resulting fixes.
* | | Merge branch 'master' of /git/quagga.euro-ix into pipeworkChris Hall2011-05-241-62/+234
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| * | Fix for changing of prefix-list entries.Chris Hall2011-05-171-62/+234
| | | | | | | | | | | | | | | | | | | | | A bug in vector_move_item_here() meant that under some circumstances an "ip prefix-list" command would trigger an assert() because updating an existing entry (with a sequence number) failed to keep the cache of entries correctly sorted.
* | | Merge branch 'master' of /git/quagga.euro-ix into pipeworkex16pChris Hall2011-03-291-2/+2
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This ensures that the two branches are consistent after the merging of the old-Quagga 0.99.18 changes. Release: 0.99.18ex16p. Eliminated some whitespace differences ! Collected RESTRICTED_NODE show_bgp_ipv6_safi_route_cmd and show_bgp_ipv6_safi_prefix_cmd, and one HAVE_IPV6 skip. Also releasing filename in closezlog(). Removed strlen() from lib/qfstring.c for async-signal-safe purposes.
| * | Bring "ex" version up to date with 0.99.18ex14Chris Hall2011-03-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Release: 0.99.18ex14 Also fixes issue with unknown attributes -- does not release them prematurely. Contains the "bgpd: New show commands for improved view and address family support", which is post 0.99.18. (But not RFC 5082 GTSM.)
* | | Second tranche of updates for pipework branch.Chris Hall2011-02-132-14/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | modified: bgpd/bgp_connection.c modified: bgpd/bgp_debug.c modified: bgpd/bgp_engine.h modified: bgpd/bgp_main.c modified: bgpd/bgp_packet.c modified: bgpd/bgp_peer.c modified: bgpd/bgp_route.c modified: bgpd/bgp_routemap.c modified: bgpd/bgp_session.c modified: bgpd/bgp_vty.c modified: bgpd/bgpd.c modified: bgpd/bgpd.h modified: configure.ac modified: isisd/dict.h modified: isisd/isis_misc.c modified: isisd/isis_routemap.c modified: isisd/isis_spf.c modified: lib/Makefile.am modified: lib/command.c modified: lib/command.h modified: lib/command_execute.h modified: lib/command_parse.c modified: lib/command_parse.h modified: lib/command_queue.c modified: lib/command_queue.h modified: lib/elstring.h modified: lib/heap.c modified: lib/if.c modified: lib/if.h modified: lib/keychain.c modified: lib/keystroke.c modified: lib/keystroke.h modified: lib/list_util.c modified: lib/list_util.h modified: lib/log.c modified: lib/log.h modified: lib/memory.c modified: lib/memory.h modified: lib/memtypes.c modified: lib/misc.h modified: lib/mqueue.c modified: lib/mqueue.h deleted: lib/node_type.h modified: lib/pthread_safe.c modified: lib/qfstring.c modified: lib/qiovec.c modified: lib/qiovec.h modified: lib/qpath.c modified: lib/qpnexus.c modified: lib/qpnexus.h modified: lib/qpselect.c modified: lib/qpthreads.h modified: lib/qstring.c modified: lib/qstring.h modified: lib/qtime.c modified: lib/qtime.h modified: lib/qtimers.c modified: lib/qtimers.h modified: lib/routemap.c modified: lib/symtab.h modified: lib/thread.h deleted: lib/uty.h modified: lib/vector.c modified: lib/vector.h modified: lib/version.h.in modified: lib/vio_fifo.c modified: lib/vio_fifo.h modified: lib/vio_lines.c modified: lib/vio_lines.h modified: lib/vty.c modified: lib/vty.h modified: lib/vty_cli.c modified: lib/vty_cli.h modified: lib/vty_io.c modified: lib/vty_io.h modified: lib/vty_io_basic.c modified: lib/vty_io_basic.h modified: lib/vty_io_file.c modified: lib/vty_io_file.h modified: lib/vty_io_shell.c modified: lib/vty_io_term.c modified: lib/vty_io_term.h modified: lib/vty_local.h modified: lib/vty_pipe.c modified: lib/workqueue.h modified: lib/zebra.h modified: ospf6d/ospf6_lsa.c modified: ripngd/ripngd.c modified: tests/test-list_util.c modified: tests/test-vector.c modified: vtysh/vtysh.c modified: vtysh/vtysh_config.c
* | | Creation of pipework branchChris Hall2010-12-213-57/+58
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* | bgpd: fix handling of AS path dataChris Hall2010-08-301-89/+89
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * bgpd/bgp_aspath.c * assegments_parse(): add handling of AS4_PATH input, update bounds checks, add check for AS segment type * aspath_parse(): add handling of AS4_PATH input, expect assegments_parse() to do length checking * aspath_empty(): update for the new function prototype * bgpd/bgp_aspath.h: ditto * tests/aspath_test.c: ditto * bgpd/bgp_attr.c * bgp_attr_aspath(): add handling of AS4_PATH input, update flags checks, change returned type * bgp_attr_as4_path(): discard, superseded by bgp_attr_aspath() * bgp_attr_parse(): update respectively Bump version to "ex06" (configure.c).
* | Reworking of peer state handling.Chris Hall2010-07-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a reported assert() in 'no neighbor xxx'. It also fixes other issues found when reviewing and testing that. Also fixed is a reported segfault caused by prefix lists without explicit sequence numbers. Peer State ========== Tightened up the peer state handling, including: * shades of pIdle -- depending on some peer flags and the session, if any * state transitions -- particularly pEstablished -> pIdle or pClearing * handling if deleting peer and associated session * handling of PEER_DOWN_XXX -- why peer was last downed * handling of last NOTIFICATION sent/received RS Client RIBs ============== Cleared up places where RS Client RIBs were not disposed of properly when a peer's afi/safi state changed, in particular: -- when deactivating an afi/safi -- when unsetting the rs client state for an afi/safi -- when binding a peer to a group for an afi/safi In the past these issues were probably invisible, except for a slight leak of memory. With the newer code these issues triggered some asserts when closing down a peer or the entire program. Program Termination =================== Now terminates by deleting all peers -- essentially 'no neighbor' for all peers. Each time a peer is set to be deleted bm->peer_linger_count is incremented, when the peer finally is deleted, the count is decremented. So while in program_terminating state, all nexuses continue to run until the Routing Engine spots that there are no peers left to delete. Then all nexuses are shut down and the program finally terminates. To do this, when termination starts a new Routing Engine foreground task is added, which calls program_terminate_if_all_peers_deleted(). Accept() Status for Session =========================== The accept() code needs to find the session associated with the incoming IP address. Then it needs to see if can accept the incoming connection. It looks up the IP address in the Peer Index (under its Mutex). Previously: the Peer Index entry contained a pointer to the accepting connection (if any), and the session had a pointer to the Peer Index entry so that it could set/clear the accept field in that entry. Now: have removed the accept field in the Peer Index entry, and the pointer from the session to that entry. There is now an "accept" flag in the session structure -- so setting/clearing accept does not have to fiddle with any state to do with the peer. Which seems cleaner. To find the session, the accept() code goes via the Peer Index and then via the peer to find the session. This is done under the Peer Index Mutex. To support that, the Routing Engine only changes the peer->session pointer under the same Mutex. General Changes =============== 1. name changes: peer_lock -> bgp_peer_lock etc. 2. bgp_notify_send -> bgp_peer_down_error bgp_notify_send_with_data -> bgp_peer_down_error_with_data 3. name changes: bgp_peer_sIdle -> bgp_peer_pIdle etc. 4. changing int to bool 5. added "received" flag to bgp_notify structure Files Affected ============== configure.ac -- set version to 0.99.15ex02 bgpd/bgp.h -- format changes only bgpd/bgp_advertise.c -- (1) bgpd/bgp_attr.c -- (2) bgpd/bgp_common.h -- (3) bgpd/bgp_connection.c -- (4) for session->active - adding session->accept flag - removing peer index accept entry - adding bgp_connection_query_accept() bgpd/bgp_connection.h -- adding bgp_connection_query_accept() bgpd/bgp_debug.c -- (3) (5) - changed bgp_notify_print() to remove "sending" parameter and use (5) bgpd/bgp_debug.h -- changed bgp_notify_print() bgpd/bgp_fsm.c -- added TODO for NSF and for CollisionDetectEstablishedState bgpd/bgp_main.c -- (4) for various flags - added static bool program_terminating - used "mqb_priority" name instead of "1" - ignore SIGHUP and SIGTERM messages once is "program_terminating" - added program_terminate_if_all_peers_deleted() - in SIGTERM: set program_terminating and add the foreground hook. bgpd/bgp_mplsvpn.c -- (3) bgpd/bgp_msg_read.c -- (5) set the "received" flag on incoming notifications - update call of bgp_notify_print() bgpd/bgp_msg_write.c -- update call of bgp_notify_print() bgpd/bgp_network.c -- (4) bgpd/bgp_nexthop.c -- (3) bgpd/bgp_notification.c -- add "received" flag to notification structure, which is false by default. bgpd/bgp_notification.h -- add "received" flag to notification structure - add bgp_notify_set_received() - add bgp_notify_get_received() bgpd/bgp_open.c -- (2) bgpd/bgp_open_state.c -- in bgp_peer_open_state_receive(): - copy the session->hold_timer_interval and session->keepalive_timer_interval values (as negotiated by the BGP Engine) into the peer - set PEER_CAP_RESTART_RCV if have - fix typo, use: open_recv->can_preserve not: open_recv->can_g_restart bgpd/bgp_packet.c -- delete bgp_notify_send() and bgp_notify_send_with_data() - (1) (2) (3) - bgp_clear_route_normal() -> bgp_clear_routes() and now returns "completed" state. bgpd/bgp_packet.h -- delete: bgp_keepalive_send() bgp_open_send() bgp_notify_send() bgp_notify_send_with_data() bgpd/bgp_peer.c -- changed: bgp_session_has_established() bgp_session session() bgp_session_has_disabled() to void and to take session, not peer. - removed lock of session structure in bgp_session_do_event() -- was holding the lock for far longer than necessary, particularly when clearing routes ! - in bgp_session_has_established(): - lock session structure where and only where required - tidied up timer handling - in bgp_session_has_stopped(): - extend IdleHoldTime - examine notification etc to see why session came down. - invoke bgp_peer_down_notify(), which will start the process of downing the peer. - in bgp_session_has_disabled(): - removed defer_enable - removed calls to bgp_peer_stop() etc. That is done in bgp_peer_down() et all. - now if session is marked delete_me, then do that; otherwise, can enable again. - removed program_terminate_if_all_disabled(), replaced by new mechanism - in bgp_peer_stop(): - changed to void function and added nsf parameter. - sets pClearing state. - MUST now only be called when pEstablished. - removed some code to bgp_peer_reset_idle(). So... bgp_peer_stop() brings pEstablished peer to halt, while bgp_peer_reset_idle() prepares it for new session. - now passes nsf to bgp_clear_all_routes(), which returns flag to say whether task is complete or whether it continues in background. - clearing of NSF_MODE and flags moved to bgp_peer_reset_idle(). - sets pIdle state if route clearing completed - renamed peer_nsf_stop() -> bgp_peer_nsf_stop() - if is pIdle or pClearing and have NSF routes, then stops timers and clears out all the NSF routes. - added bgp_peer_clear_all_stale_routes() - added bgp_peer_shutdown() -- used when peer is downed for PEER_DOWN_USER_SHUTDOWN ! - added bgp_peer_reset_idle() -- used when peer goes pIdle or is about to enable session. - deleted bgp_peer_timers_stop() -- see bgp_peer_change_status(). - replaced bgp_peer_clearing_completed() - if pClearing, sets pIdle and enables if can - if pDeleting, unlocks peer - replaced bgp_timer_set() by bgp_peer_timers_set() -- deals in new peer states only. - renamed peer_new() -> bgp_peer_new() - renamed peer_create() -> bgp_peer_create() - added setting of PEER_STATUS_REAL_PEER - changed auto activation to reflect what actually happens. - changed bgp_session_init_new() call because it now sets peer->session. - sets timers suitable for pIdle. before any auto enable. - renamed peer_delete() -> bgp_peer_delete() - removed call of peer_nsf_stop() - added bgp_peer_down() with PEER_DOWN_NEIGHBOR_DELETE -- which does all the work of flattening an active peer, and returns it pIdle or pClearing. - if pClearing, lock the peer so that when clearing completes, it can unlock it. - sets pDeleting state, and increments bm->peer_linger_count. - tightened procedure for dealing with various references to peer -- including use of the PEER_STATUS_REAL_PEER flag. - tidied up dealing with rsclient RIBs and shared pointers to group versions of same. - removed call of bgp_timer_set(), now done in bgp_peer_change_status(). - now unregisters the peer immediately, so can register a new one before this one is completely deleted. - deletes session if it can. - moved peer_lock() & peer_unlock() from bgpd.c and renamed bgp_peer_lock() & bgp_peer_unlock() - renamed peer_free() bgp_peer_free() and made static. - peer must be pDeleting -- so have been through bgp_peer_delete() - peer->session must be NULL - decrements bm->peer_linger_count - deleted peer->clear_node_queue handling - deleted bgp_session_free() -- that's done in bgp_peer_delete() or elsewhere. - unlocked bgp at end - assert peer->session == NULL, to be sure - set peer->lock == -54321 - in bgp_peer_enable(): - recast as switch() on peer state - added bgp_peer_reset)idle() before enabling the session. - renamed bgp_peer_disable() -> bgp_peer_down() - takes PEER_DOWN_XXX argument, which drives what notification is sent, and sets the peer->last_reset status. A small number of PEER_DOWN_XXX are special. - removed the IdleHoldTimer stuff. - copies outbound notification to session. - for PEER_DOWN_NSF_CLOSE_SESSION, keep non- stale routes. - for PEER_DOWN_USER_SHUTDOWN, do bgp_peer_shutdown() - after disabling any session and doing any shutdown, proceed as per peer->status: pIdle -- flush stale routes bgp_peer_enable() pEstablished -- bgp_peer_stop() pClearing -- flush stale routes - added bgp_peer_down_notify(). - added bgp_peer_down_error(), which replaces bgp_notify_send(). - added bgp_peer_down_error_with_data(), which replaces bgp_notify_send_with_data() The "down_error" functions calculate the appropriate PEER_DOWN_XXX value, and call bgp_peer_down_notify(). - added bgp_peer_map_peer_down(), to map PEER_DOWN_XXX to a notification message. - added bgp_peer_map_notification, to map notification message to a PEER_DOWN_XXX. - renamed peer_change_status() -> bgp_peer_change_status() - do most things only if state changes. - add call to bgp_peer_reset_idle() as enter pIdle state. - at all times do bgp_peer_timer_set() - renamed peer_timers_set() -> bgp_peer_timers_set() - commoned up code for Graceful Restart and Graceful Restart Stale timers and stale routes. - changed Graceful Restart Stale time to cope if it should expire before Graceful Restart ! bgpd/bgp_peer.h -- added PEER_DOWN_XXX values and tidied up + PEER_DOWN_NULL + PEER_DOWN_UNSPECIFIED + PEER_DOWN_CONFIG_CHANGE + PEER_DOWN_AF_DEACTIVATE + PEER_DOWN_PASSWORD_CHANGE + PEER_DOWN_ALLOWAS_IN_CHANGE + PEER_DOWN_INTERFACE_DOWN + PEER_DOWN_MAX_PREFIX + PEER_DOWN_HEADER_ERROR + PEER_DOWN_OPEN_ERROR + PEER_DOWN_UPDATE_ERROR + PEER_DOWN_HOLD_TIMER + PEER_DOWN_FSM_ERROR + PEER_DOWN_DYN_CAP_ERROR - PEER_DOWN_NOTIFY_SEND (deleted) - added typedef peer_down_t - struct peer: - deleted redundant clear_node_queue - removed PEER_STATUS_ACCEPT_PEER flag - added PEER_STATUS_REAL_PEER flag - (3) - deleted bgp_peer_reenable() -- redundant - deleted bgp_peer_stop() -- now static - replaced bgp_peer_disable() by bgp_peer_down() - added bgp_peer_down_error() - added bgp_peer_down_error_with_data() - deleted peer_change_status() -- now static - renamed peer_new() -> bgp_peer_new() - renamed peer_create() -> bgp_peer_create() - renamed peer_delete() -> bgp_peer_delete() - added bgp_peer_lock() - added bgp_peer_unlock() - deleted peer_free() - deleted peer_nsf_stop() bgpd/bgp_peer_index.c -- removed accept entry from bgp_peer_index_entry structure - added explicit next_free entry to the structure - sets next_free to point at self in entries which are in use -- and checks this. - change bgp_peer_index_seek_accept() to link to session via the peer data structure, and to call bgp_connection_query_accept() under the Peer Index Mutex. - (4) for bgp_peer_index_seek_accept() bgpd/bgp_peer_index.h -- removed accept entry from bgp_peer_index_entry structure - added explicit next_free entry to the structure - (4) for bgp_peer_index_seek_accept() bgpd/bgp_route.c -- (1) (2) (3) - in bgp_process_rsclient(), bgp_process_main(), and bgp_processq_del(): - extra dasserts() - clear rn->wq_next - unlock table *after* unlock node (bug fix) - in bgp_process(), lock bgp before table. - in bgp_maximum_prefix_restart_timer(), replace call of peer_clear() by unset of flag and bgp_peer_enable() -- peer is already down. - added bgp_maximum_prefix_cancel_timer() - deleted bgp_clear_this_route() -- code now inline in only caller. - renamed bgp_clear_route_normal() -> bgp_clear_routes() - takes an "nsf" argument to invoke NSF "clearing", iff nsf set for afi/safi. Sets PEER_STATUS_NSF_WAIT if so. - returns bool "completed" if clearing has completed immediately -- ie no background work left to be done. - renamed bgp_clear_route_all() -> bgp_clear_all_routes() - takes "nsf" argument and returns "completed" as for bgp_clear_routes(). - removed call: bgp_peer_clearing_completed() - renamed bgp_clear_route_rsclient() -> bgp_clear_rsclient_rib() - deleted bgp_cleanup_routes() -- was used during termination, no longer required because termination deletes all peers. bgpd/bgp_route.h -- deleted bgp_cleanup_routes() -- program termination now deletes all peers, which implicitly cleans up all routes. - renamed: bgp_clear_route_normal() -> bgp_clear_routes() - renamed: bgp_clear_route_rsclient() -> bgp_clear_rsclient_rib() - renamed: bgp_clear_route_all() -> bgp_clear_all_routes() - added: bgp_maximum_prefix_cancel_timer() bgpd/bgp_session.c -- (3) - deleted bgp_session_defer_if_limping() - in bgp_session_init_new() - changed to void and removed session argument -- always creates a new session - peer MUST not have a session - removed Peer Index pointer stuff as Peer Index no longer has accept field - sets session->peer and locks peer - sets peer->session under Peer Index Mutex - sets session->delete_me false - sets session->accept flag false - replaced bgp_session_free() by bgp_session_delete() - changed to void function - if session is active, set the delete_me flag so session will be deleted when goes sDisabled. - make sure that session Mutex has been released by the BGP Engine before destroying it... otherwise: tears. - unhook session from peer under Peer Index mutex -- for accept() stuff. - unhook peer from session. - unlock peer. - in bgp_session_enable() - assert that peer is pIdle. - clear delete_me for completeness - clear additional fields - in bgp_session_disable() - clear session->accept - in bgp_session_is_active() - no longer interested in Peer Index stuff - deleted bgp_session_defer_if_limping() bgpd/bgp_session.h -- in bgp_session structure: - removed index_entry pointer to Peer Index - added delete_me flag - removed defer_enable flag - added accept flag - removed session parameter from bgp_session_init_new() - deleted bgp_session_free() - added bgp_session_delete() - bgp_session_is_active() now returns bool bgpd/bgp_table.c -- bgp_node_free() sets lock count = -54321 - in bgp_table_free(): - assert that route node is empty - set lock count = -54321 - bgp_node_delete() asserts that is not on_wq - (1) bgpd/bgp_vty.c -- (1) (3) (4) - change peer_af_flag_modify_vty() to call peer_af_flag_modify() not set or unset. - change name: bgp_clear_route_rsclient() -> bgp_clear_rsclient_rib() - in peer_rsclient_set_vty(): - add peer to bgp->rsclient list after all validation is complete - in peer_rsclient_unset_vty(): - removed code for deleting the rsclient RIB etc to peer_rsclient_unset(). - added peer_rsclient_unset() bgpd/bgp_zebra.c -- bgp_peer_disable() -> bgp_peer_down() and now takes PEER_DOWN_INTERFACE_DOWN argument. bgpd/bgpd.c -- (1) (3) - replaced setting peer->last_reset and call of bgp_notify_send() by call of the new bgp_peer_down(). - bgp_router_id_set() ... PEER_DOWN_RID_CHANGE - bgp_cluster_id_set() ... PEER_DOWN_CLID_CHANGE - bgp_cluster_id_unset() ... PEER_DOWN_CLID_CHANGE - bgp_confederation_id_set() ... PEER_DOWN_CONFED_ID_CHANGE ... PEER_DOWN_CONFED_ID_CHANGE - bgp_confederation_id_unset() ... PEER_DOWN_CONFED_ID_CHANGE - bgp_confederation_peers_add() ... PEER_DOWN_CONFED_PEER_CHANGE - bgp_confederation_peers_remove() ... PEER_DOWN_CONFED_PEER_CHANGE - peer_as_change() ... PEER_DOWN_REMOTE_AS_CHANGE - peer_activate() ... PEER_DOWN_AF_ACTIVATE - peer_deactivate() ... PEER_DOWN_AF_DEACTIVATE - peer_group_bind() ... PEER_DOWN_RMAP_BIND - peer_group_unbind() ... PEER_DOWN_RMAP_UNBIND - peer_change_action() ... why_changed ... why_changed - peer_flag_modify_action() ... action->peer_down - peer_update_source_if_set() ... PEER_DOWN_UPDATE_SOURCE_CHANGE ... PEER_DOWN_UPDATE_SOURCE_CHANGE - peer_update_source_addr_set() ... PEER_DOWN_UPDATE_SOURCE_CHANGE ... PEER_DOWN_UPDATE_SOURCE_CHANGE - peer_update_source_unset() ... PEER_DOWN_UPDATE_SOURCE_CHANGE ... PEER_DOWN_UPDATE_SOURCE_CHANGE - peer_local_as_set() ... PEER_DOWN_LOCAL_AS_CHANGE ... PEER_DOWN_LOCAL_AS_CHANGE - peer_local_as_unset() ... PEER_DOWN_LOCAL_AS_CHANGE ... PEER_DOWN_LOCAL_AS_CHANGE - peer_password_set() ... PEER_DOWN_PASSWORD_CHANGE ... PEER_DOWN_PASSWORD_CHANGE - peer_password_unset() ... PEER_DOWN_PASSWORD_CHANGE ... PEER_DOWN_PASSWORD_CHANGE - peer_clear() ... PEER_DOWN_USER_RESET - bgp_terminate() ... PEER_DOWN_USER_RESET - deleted peer_lock() & peer_unlock(). See bgp_peer_lock() & bgp_peer_unlock() in bgp_peer - in peer_as_change(), move downing of peer to after all config changes have been made. - in peer_remote_as() implicitly activate iff !BGP_FLAG_NO_DEFAULT and is IPv4/Unicast. (but only ever called with IPv4/Unicast or nothing at all.) - in peer_deactivate() - if cannot dynamically reconfigure, then will down the peer PEER_DOWN_AF_DEACTIVATE. - uses new peer_rsclient_unset() to tidy away any rsclient RIB etc. - in peer_change_action(): - added 'why_down' argument - replace if's by switch() - in struct peer_flag_action, updated entry types - in peer_flag_action_list[], added the appropriate PEER_DOWN_XXX values. - in peer_af_flag_action_list[] - added the appropriate PEER_DOWN_XXX values - added multiple flag entries - in peer_flag_action_set(): - changed to return const address of peer_flag_action structure -- or NULL. - table may now contain entries which the given flag must be a subset of. - in peer_flag_modify_action(): - now takes peer_flag_action* and whether flag has been set or not. - allow *only* peer_change_none or peer_change_reset - deal with clearing PEER_FLAG_SHUTDOWN, otherwise bgp_peer_down(). - in peer_group_bind(): - uses new peer_rsclient_unset() to tidy away any rsclient RIB etc. - in peer_flag_modify(): - takes bool set flag - changed to suit peer_flag_action_set() and peer_flag_modify_action() - in peer_flag_set() and peer_flag_unset() changed to bool flag - added peer_af_flag_modify_action(), common code for use in peer_af_flag_modify(). - in peer_af_flag_modify(): - takes bool set flag - changed to suit peer_flag_action_set() and peer_flag_modify_action() - use peer_af_flag_modify_action() - in peer_af_flag_set() and peer_af_flag_unset() changed to bool flag - in peer_clear(): adjust for new bgp_peer_down() mechanics. - in bgp_master_init(): account for peer_linger_count (starting at 0) - in bgp_terminate(): - removed program_terminating -- see flag now in bgp_main.c - implement "retain_mode" by using BGP_OPT_NO_FIB flag to turn off changing the FIB as routes are deleted. - either bgp_peer_delete() if terminating or bgp_peer_down() all peers. - flush process queues. - deleted program_terminate_if_all_disabled() - in peer_lookup(), removed handling of PEER_STATUS_ACCEPT_PEER(). - deleted peer_lookup_with_open(). - in bgp_config_write_family(), removed handling of PEER_STATUS_ACCEPT_PEER(). - in bgp_config_write(), removed handling of PEER_STATUS_ACCEPT_PEER(). bgpd/bgpd.h -- add peer_linger_count entry to the bgp_master structure. - remove: peer_lock(), peer_unlock() and peer_delete() - (4) for peer_af_flag_modify() - added peer_rsclient_unset() lib/plist.c -- fixed handling of prefix lists with no explicit sequence numbers. lib/qpnexus.c -- (4) for main_thread & terminate flags - change qpn_terminate() so does nothing if terminate flag is already set. lib/qpnexus.h -- (4) for main_thread & terminate flags tests/bgp_capability_test.c -- (3)
* | Removing compiler warnings.Chris Hall2010-04-161-2/+4
| | | | | | | | | | | | | | | | Removed nearly 100 compiler warnings in the various routing daemons which now clean compile. Removed one warning in vty.c, which was obscured by the other warnings. SO... this commit corrects the previous one.
* | First beta releaseChris Hall2010-04-061-6/+2
| | | | | | | | | | | | | | Various bug fixes and improvements. Running with a fair amount of debug/assert code, which must be removed at some date.
* | Major updateChris Hall2010-03-162-2/+2117
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bgpd/bgp_advertise.c bgpd/bgp_advertise.h The adj_in and adj_out objects are now put on a list based on the peer to whom the route belongs. The adj_in and adj_out objects also now point to the bgp_node which they are routes for. This substantially reduces the work needed to shut down a peer. bgpd/bgp_damp.c Changes to adj_in and adj_out forced small change to macros used in bgp_damp.c to manage its lists. bgpd/bgp_debug.c Replaced direct access to vty->node by the required vty_get_node(). bgpd/bgp_dump.c Changes to the names of fields in bgp_info structures. bgpd/bgp_engine.h Modified the debug and trace functions. bgpd/bgp_fsm.c Make use of sockunion2str() consistent with common usage. Improved some documentation. bgpd/bgp_main.c Use the newly extended qpn_add_hook_function() facility. bgpd/bgp_mplsvpn.c Changes to the names of fields in bgp_info structures. bgpd/bgp_msg_read.c Bug fix: correct handling of capability code length. Improvement: better casting in calculation of message length. bgpd/bgp_msg_write.c Bug fix: correct byte ordering of bgp_id in open message. bgpd/bgp_network.c Bug fix: correct handling of incoming connections. Takes advantage of improvements in sockunion.c. bgpd/bgp_nexthop.c Changes to the names of fields in bgp_info structures. bgpd/bgp_open_state.c Remove mistaken #include of memtypes.h bgpd/bgp_packet.c Improvements to handling of withdrawing routes for peers. bgpd/bgp_peer.c Tidying up the state of peers as they are enabled and disabled. Improvements to handling of withdrawing routes for peers. bgpd/bgp_peer.h Adding list bases for lists of routes originated by the peer. bgpd/bgp_peer_index.c Bug fix: correct freeing of peer indexes. bgpd/bgp_route.c Implement lists of bgp_info based in the owning peer. Adjust for name changes to bgp_info fields. Reimplemented all the clearing functions to use the lists of items that belong to the peer -- rather than searching route tables for stuff to withdraw. Changed work queue handling for added/changed routes, so that queues run through existing items, rather than having queues of auxiliary items -- lower memory overhead. bgpd/bgp_route.h Added fields to bgp_info to allow all bgp_info originated by each peer to live on lists based in the peer. And changed the name of existing fields to avoid confusion. bgpd/bgp_routemap.c Removing redundant code and fixing a memory leak. bgpd/bgp_table.h Based work queue for added/changed routes directly in the table, rather than having auxiliary structures. bgpd/bgp_vty.c Use vty_get_node() and vty_set_node() rather than direct access to the vty field. bgpd/bgpd.c Implement changes to route clearing. bgpd/bgpd.h Changes to work queue handling. lib/buffer.c Changes to allow embedded buffer structures. lib/buffer.h Moved struct buffer here so that could have embedded buffer structurs. lib/command.c Substantial tidy up and document exercise. Restructured the top level command processing and finding of descriptions and command completion. Removal of unpleasant messing around with the insides of vector structures. Movement of some command actions to vty.c. Uses uty.h to pick up the "private" functions from vty.c et al. lib/command.h Moved the "node" values to node_type.h, so that can use an enum node_type in places where cannot include command.h. lib/command_queue.c Updated to cope with the called command changing the node value. Improved handling of revoked commands, so the the command line handler does not get stuck waiting for a command to complete which has been revoked ! lib/command_queue.h Improved message format. lib/if.c Use vty_set_node(). lib/keychain.c Use vty_set_node(). new lib/keystroke.c new lib/keystroke.h New code to implement a keystroke FIFO. This moves some complexity out of the command handler. The handling of mixtures of escapes and Telnet IACs is tightened up. It would be possible to extend this to, say, UTF-8. Regularises the "stealing" of keystrokes for the "--more--" output handling... which was a bit hit and miss. new lib/list_util.c new lib/list_util.h New code to implement various forms of linked list, where the list pointers are embedded in structures. lib/log.c Changed the handling of log messages, so that all types of log output (except syslog) use the same message buffer scheme, and the message is constructed once and once only. Changes to the handling of VTY_LOCK() etc. Uses uty.h to pick up the "private" functions from vty.c et al. lib/log.h Changes to the buffering of log messages. new lib/mem_tracker.c New code to track memory allocation/deallocation, for debug purposes. lib/memory.c lib/memory.h Updated to allow the use of the mem_tracker. lib/memtypes.awk Made the memtypes into a named enum MTYPE. lib/memtypes.c Various new memory types. lib/mqueue.c lib/mqueue.h Add mqueue_finish function for close-down. lib/network.c lib/network.h Added non-blocking read_nb() and write_nb(). new lib/node_type.h As above. lib/plist.c Remove vty_puts() which wasn't a good idea. lib/qlib_init.c Added qps_init() to first stage and mqueue_finish to finish. lib/qpnexus.c lib/qpnexus.h More flexible hooks for in_thread_init and in_thread_final. lib/qpselect.c lib/qpselect.h Added qps_start_up() to build the required maps once and for all. Added qdebug to control the debug checks and validation. Improved validation and test functions. new lib/qstring.c new lib/qstring.h New code for limited flexible string handling. lib/qtimers.c Added qdebug to control the debug checks and validation. lib/routemap.c Use vty_set_node(). lib/sockunion.c lib/sockunion.h Tidied up and regularised the handling of sin_len and sin6_len. Created common function for setting port into socket. Created common function for initialisation/allocation of new sockunion. Reduced various functions by using common sub-functions. Rationalised some code. Added sockunion_listen() and sockunion_new_sockaddr(). Renamed sockunion_new() to sockunion_new_prefix(). Improved some logging messages. Added documentation. new lib/uty.h Functions etc. used only by vty/command/log/vty_io and vty_cli. lib/vector.c lib/vector.h Added vector_t type. Removed VECTOR_INDEX, vector_only_wrapper_free() and vector_only_index_free() -- following improvement of code in command.c. Added vector_set_min_length(), vector_set_new_min_length() and vector_length() functions. new lib/vio_fifo.c new lib/vio_fifo.h New code to manage simple FIFO of indefinite length. lib/vty.c lib/vty.h Reworked. Broken into vty.c, vty_io.c and vty_cli.c. new lib/vty_cli.c new lib/vty_cli.h CLI handling parts of the vty family. new lib/vty_io.c new lib/vty_io.h I/O parts of the vty family. lib/workqueue.h Introduced tyedefs for the various call-back entries. new tests/test-list_util.c Tests for the list-util stuff. vtysh/vtysh.c Small change to interface for cmd_execute_command()
* | Revised thread/timer handling, work queue and scheduling.Chris Hall2010-02-161-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Updated quagga thread handling to use qtimers when using the new qpnexus -- so all timers are qtimers in the new scheme. Updated work queue handling so that each work queue item is a single malloced structure, not three. (Only bgpd and zebra use the work queue system.) When using qpnexus the background thread queue is no longer a timer queue, but simply a list of pending background threads. When a background thread is waiting on a timer, it is in the qtimer pile, same like any other thread. When using qpnexus, the only remaining quagga thread queues are the event and ready queues. Revised the qpnexus loop so that only when there is nothing else to do will it consider the background threads. Revised write I/O in the BGP Engine so that all writing is via the connection's write buffer. Revised the write I/O in the Routeing Engine, so that it passes groups of updates in a single mqueue message. This all reduces the number of TCP packets sent (because BGP messages are collected together in the connection's write buffer) and reduces the number of mqueue messages involved. (No need for TCP_CORK.) Code and comments review for the new code. modified: bgpd/bgp_advertise.c modified: bgpd/bgp_common.h modified: bgpd/bgp_connection.c modified: bgpd/bgp_connection.h modified: bgpd/bgp_engine.h modified: bgpd/bgp_fsm.c modified: bgpd/bgp_main.c modified: bgpd/bgp_msg_read.c modified: bgpd/bgp_msg_write.c modified: bgpd/bgp_network.c modified: bgpd/bgp_packet.c modified: bgpd/bgp_packet.h modified: bgpd/bgp_peer.c modified: bgpd/bgp_peer_index.h modified: bgpd/bgp_route.c modified: bgpd/bgp_route_refresh.h modified: bgpd/bgp_session.c modified: bgpd/bgp_session.h modified: bgpd/bgpd.c new file: bgpd/bgpd.cx modified: lib/mqueue.h modified: lib/qpnexus.c modified: lib/qpnexus.h modified: lib/qpselect.c modified: lib/qtimers.c modified: lib/qtimers.h modified: lib/sigevent.c modified: lib/stream.c modified: lib/stream.h modified: lib/thread.c modified: lib/thread.h modified: lib/workqueue.c modified: lib/workqueue.h modified: tests/heavy-wq.c modified: zebra/zebra_rib.c
* | Changed zclient to use qfiles etc when we have a nexus. For BGP clientpaulo2010-01-281-5/+5
| | | | | | | | | | | | | | it runs in the routing_nexus. Makefile tidied. Fixed a few warnings. Re-enabled zclient, horrors of horrors bpg_nexthop thought it OK to poke arround with zclients threads directly. Now fixed, all private to zclient.
* | Fixed program shutdown. Added peering engine side of TTL changing.paulo2010-01-271-1/+1
| | | | | | | | | | Changed names of peer states. Writed in peering engine side of sending route_refresh.
* | Getting BGP Engine to start and removing warnings.Chris Hall2010-01-249-257/+277
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Finish the wiring required to get bgp_msg_read to process OPEN messages into the connection's open_state, and be able to check for correct peer AS, etc. Removed bugs preventing messages from being written. Added BGP Id check to collision detection logic. Removed as many warnings from comilation as possible. Replaced horrible FIFO kludge in the process. (Introduced the even more horrible miyagi kludge.) modified: bgpd/bgp_advertise.c modified: bgpd/bgp_advertise.h modified: bgpd/bgp_connection.c modified: bgpd/bgp_connection.h modified: bgpd/bgp_debug.c modified: bgpd/bgp_fsm.c modified: bgpd/bgp_msg_read.c modified: bgpd/bgp_msg_write.c modified: bgpd/bgp_network.c modified: bgpd/bgp_nexthop.c modified: bgpd/bgp_notification.c modified: bgpd/bgp_open.c modified: bgpd/bgp_packet.c modified: bgpd/bgp_session.c modified: bgpd/bgp_session.h modified: bgpd/bgpd.c modified: lib/Makefile.am modified: lib/distribute.c modified: lib/if_rmap.c new file: lib/miyagi.h modified: lib/prefix.h modified: lib/sockopt.c modified: lib/stream.c modified: lib/thread.c modified: lib/vty.c modified: lib/zebra.h modified: tests/bgp_capability_test.c modified: tests/bgp_mp_attr_test.c modified: tests/ecommunity_test.c modified: tests/heavy-thread.c modified: tests/heavy-wq.c modified: tests/heavy.c modified: tests/main.c modified: tests/test-checksum.c modified: tests/test-sig.c modified: watchquagga/watchquagga.c modified: zebra/if_netlink.c modified: zebra/ioctl.c modified: zebra/rt_netlink.c modified: zebra/rtread_netlink.c
* | Make logging (lib.c) and privileges (privs.c) pthread safepaulo2009-11-301-6/+22
| | | | | | | | | | | | | | | | | | | | | | lib.c: use a mutex to protect all public methods. Replaced code in command.c etc that modified zlog_default directly with interlocked getters and setters. Requires that vty_log in vty.c handles its own pthread safety TBA. privs.c: use a mutex to protect all public methods. Counts RAISE and LOWER so that privilege stays RAISED until all pthreads have lowered. Improved messages in test-privs.c
* | Test programs.paulo2009-11-253-2/+1559
|/ | | | | Enabled building of the test programs. Added tests for vectors and sybtabs.
* all: check return value from daemon() callStephen Hemminger2009-08-131-2/+5
| | | | | | * */*main.c: (main) Current versions of Gcc warn if the return value for daemon() is not checked. So add a simple test and exit on failure.
* Add test for Internet checksum.Joakim Tjernlund2009-06-251-6/+74
| | | | | | Add 2 impl. of the Internet Checksum. One new optimized nad one form RFC 1071. Turns out that the current Quagga in_cksum() is buggy. On Big Endian routers it miscalculates odd sized buffers.
* [lib] Switch Fletcher checksum back to old ospfd versionPaul Jakma2008-11-162-1/+502
| | | | | | | | | | | | | | | | | | | | | | * lib/checksum.c: (fletcher_checksum) Switch the second phase of the checksum back to the old ospfd logic. The isisd-derived version: a) is very hard to follow b) had some kind of subtle bug that caused it be wrong when c0=0 and c1=254 (potentially fixable by doing the mods before adjusting x and y) Additionally: - explicitely cast expressions using non-internal variables to int, to ensure the result is signed. - defensively change the length argument to 'size_t', to ensure the code works with that argument being unsigned.. Thanks to Joakim Tjernlund for the investigative work into this bug. * tests/test-checksum.c: new file to exercise the checksum code.
* [administrivia] Git should ignore backup files and .loT filesPaul Jakma2008-08-221-0/+3
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* [trivia] Remove ChangeLog files, as this data is now maintained in SCMPaul Jakma2008-08-221-160/+0
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* [build] Test for GNU-style PIE support in toolchain and enablePaul P Komkoff Jr2008-08-221-0/+3
| | | | | | | | | | | 2008-08-13 Paul P Komkoff Jr <i@stingr.net> * configure.ac: add a configure flag and autoconf macro, which will determine if your toolchain supports PIE. * */Makefile.am: add corresponding CFLAGS and LDFLAGS into appropriate places. Signed-off-by: Paul Jakma <paul@quagga.net>
* [administrivia] Add .gitignore files, based on .cvsignores.Paul Jakma2008-08-221-0/+16
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* [tests] BGP MP_(UN)REACH_NLRI unit tests (actual file..)Paul Jakma2008-06-071-0/+535
| | | | | | 2008-06-07 Paul Jakma <paul@jakma.org * bgp_mp_attr_test.c: MP_(UN)REACH_NLRI unit tests
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