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2012-01-08bgpd: touch nexthop handling codeDenis Ovsienko
bgp_nexthop_lookup_ipv6(): declare variables where they are actually used, drop no-op initialization (the field is already 0) bgp_nexthop_lookup(): ditto bgp_nexthop_check_ebgp(): rename to bgp_nexthop_onlink() bgp_nexthop_cache_changed(): rename to bgp_nexthop_cache_different()
2012-01-06general: remove inline qualifiers and move in-header functions to objectsPaul Jakma
* (general) Move functions in headers into files, to be compiled into shared object files. Remove inline qualifier from functions. Let the compiler do the work.
2012-01-02lib: fix some strtoul() use casesUlrich Weber
...otherwise 4294967295 is not a valid value on 32bit systems
2012-01-02bgpd: justify checks for IPv4 class D/EDenis Ovsienko
* lib/prefix.h * IPV4_CLASS_DE(): make consistent with counterpart macros * bgp_packet.c * bgp_open_receive(): test using macro instead of ">=" * bgp_route.c * bgp_update_rsclient(): idem * bgp_update_main(): idem
2011-12-18fix set never used warningsStephen Hemminger
(This patch was modified to leave calls to stream_getl() in place, they are necessary for the stream's internal pointer to advance to the correct position. -- Denis) Signed-off-by: Denis Ovsienko <infrastation@yandex.ru> Fix gcc warnings about varables that are set but never used. * bgpd/bgp_attr.c * cluster_unintern(): ret * transit_unintern(): ret * bgp_attr_default_intern(): attre * bgp_mp_reach_parse(): rd_high, rd_low * bgpd/bgp_route.c * bgp_announce_check_rsclient(): bgp * bgpd/bgp_zebra.c * zebra_read_ipv4(): ifindex * zebra_read_ipv6(): ifindex * bgpd/bgpd.c * bgp_config_write_peer(): filter * lib/distribute.c * distribute_list_all(): dist * distribute_list(): dist * distribute_list_prefix_all(): dist * distribute_list_prefix(): dist * lib/if_rmap.c * if_rmap(): if_rmap * lib/vty.c * vty_accept(): vty * lib/zclient.c * zclient_read(): ret * zebra/irdp_interface.c * if_group(): zi * zebra/rt_netlink.c * kernel_read(): ret, sock
2011-12-13bgpd: fix regression in ORF procesing (BZ#688)Denis Ovsienko
This issue has been pointed out by Lou Berger and Tim Browski. * bgp_packet.c * bgp_route_refresh_receive(): restore if() condition, which was broken by commit fdbc8e77c88f751924299d0bc752371d5cc31116
2011-12-13lib: add sockopt helper for setting IPV6_V6ONLY and use itDavid Lamparter
getaddrinfo returns a list of socket parameters for listening. it will contain both IPv4 and IPv6 listening sockets. unless we use IPV6_V6ONLY on the IPv6 ones, only the socket listed first will work. if the IPv4 one came first, the IPv6 one would get an "Address in use" error. this functionality was already present for bgpd and its listening sockets. as it is needed for vtys as well, make it a common helper. Conflicts: lib/sockunion.c
2011-12-13lib: put route_types.txt to real useDavid Lamparter
this replaces most occurences of routing protocol lists by preprocessor defines from route_types.h. the latter is autogenerated from route_types.txt by a perl script (previously awk). adding a routing protocol now is mostly a matter of changing route_types.txt and log.c. Conflicts: lib/route_types.awk
2011-12-13build: delete .cvsignore filesDenis Ovsienko
2011-12-13quagga: option "-z" ("--socket <path>") addedVyacheslav Trushkin
All daemons modified to support custom path to zserv socket. lib: generalize a zclient connection zclient_socket_connect added. zclient_socket and zclient_socket_un were hidden under static expression. "zclient_serv_path_set" modified.
2011-12-13bgpd: implement 'match probability' in route-mapsVyacheslav Trushkin
New clause 'match probability <percentage value>' was added in route-maps (bgpd/bgp_routemap.c modified).
2011-12-13bgp: use VTY_GET_INTEGER_RANGE() in bgp_clear()Ulrich Weber
Second patch replaces "VTY_GET_LONG ("AS", as_ul, arg);" by "VTY_GET_INTEGER_RANGE ("AS", as, arg, 1, BGP_AS4_MAX);" as done in all other code, which parses AS numbers.
2011-12-07bgpd: cleanup privs on terminationStephen Hemminger
When doing valgrind testing, the privledges from zprivs_init() need to be cleaned up on exit.
2011-12-06bgpd: store nexthop info for redistributed IPV6 routesStephen Hemminger
BGP was ignoring nexthop info for static and other redistributed routes for IPv6. Build extra attribute info to store the nexthop. See also: https://bugzilla.vyatta.com/show_bug.cgi?id=6073
2011-12-03bgpd: fix memory leak for extra attributesOleg A. Arkhangelsky
this fixes commit b881c7074bb698aeb1b099175b325734fc6e44d2
2011-11-21bgpd: remove unused function bgp_bind_addressDavid Lamparter
bgp_bind_address is replaced with sockunion_bind.
2011-11-21bgpd: fix update-source for IPv6 (BZ#548)David Lamparter
if update-source was given as interface name, bgpd was unconditionally trying to bind to an IPv4 address from that interface. change function to find the best-matching (number of address bits) same-family address on the interface.
2011-11-15bgpd: fix "nexthop-local unchanged" (BZ#350)Dylan Hall
2011-11-15bgpd: justify capabilities for TOS settingChris Luke
To set the TOS bits on TCP connections, platforms that restrict capabilities need the priv level to be raised before the sockopt is set, and this requires the ZCAP_NET_ADMIN priv. * bgp_main.c: update _caps_p to include ZCAP_NET_ADMIN * bgp_network.c * bgp_connect(): request ZPRIVS_RAISE/ZPRIVS_LOWER * bgp_listener(): request ZPRIVS_RAISE earlier
2011-11-15bgpd: revised fix to --dryrun (BZ#622)Sergey Y. Afonin
2011-10-26bgpd: fix 2 more cases of length error reportingDenis Ovsienko
* bgp_attr.c (bgp_attr_originator_id, bgp_attr_cluster_list): provide required arguments to bgp_attr_malformed()
2011-10-22bgpd: check AGGREGATOR attr flags (BZ#678)Denis Ovsienko
* bgp_attr.c * bgp_attr_aggregator(): check Optional/Transitive flag bits
2011-10-19bgpd: fix more regressions in attr flag checksDenis Ovsienko
Commit 05a4936b713b9882171d0f7fb20b8439df23939e fixed some of the attributes involved, but not all. This commit should do it. * bgp_attr.c * bgp_attr_originator_id() * bgp_attr_cluster_list() * bgp_mp_reach_parse() * bgp_mp_unreach_parse()
2011-10-18bgpd: use bgp_attr_malformed()Denis Ovsienko
Some of the recent attribute flags/length checks copied from QRE use bgp_notify_send_with_data() directly, but master branch assumes using bgp_attr_malformed(). * bgp_attr.c * bgp_attr_med() * bgp_attr_local_pref() * bgp_attr_atomic() * bgp_attr_originator_id() * bgp_attr_cluster_list() * bgp_mp_reach_parse() * bgp_mp_unreach_parse()
2011-10-17bgpd: add flag checks for MP_(UN)REACH_NLRIDenis Ovsienko
* 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
2011-10-17bgpd: fix spelling of CLUSTER_LISTDenis Ovsienko
2011-10-17bgpd: check CLUSTER_LIST attribute flagsDenis Ovsienko
* bgp_attr.c * bgp_attr_cluster_list(): accept extra argument, add checks for "optional", "transitive" and "partial" bits, log each error condition independently * bgp_attr_parse(): provide extra arguments
2011-10-17bgpd: check ORIGINATOR_ID attribute flagsDenis Ovsienko
* bgp_attr.c * bgp_attr_originator_id(): accept extra argument, add checks for "optional", "transitive" and "partial" bits, log each error condition independently * bgp_attr_parse(): provide extra arguments
2011-10-17IPv6 transport class suppportStephen Hemminger
IPv6 supports the same concept of differentiated service for routing protocols as IPv4, but like too many things, the standards committee decided that having two names for the same thing wasn't good enough and introduced a third more generic term transport class. The socket option to set transport class works the same as IPv4, but the arguments are different. * lib/sockopt.[ch] * setsockopt_ipv6_tclass(): new function * bgpd/bgp_network.c * bgp_connect(): set socket option * bgp_listener(): set socket option * ospf6d/ospf6_network.c * ospf6_set_transport_class(): new function * ospf6_serv_sock(): set socket option * ripngd/ripngd.c * ripng_make_socket(): set socket option
2011-10-12bgpd: fix regression in improved attr flag checksDenis Ovsienko
Commit 2febf323411c1aed9d7694898f852ce2ef36a7e5 assumed every flag bit except optional/transitive/partial unset, which at times could not be true for "extended length" bit. * bgp_attr.c * bgp_attr_origin(): exclude BGP_ATTR_FLAG_EXTLEN from comparison * bgp_attr_nexthop(): idem * bgp_attr_med(): idem * bgp_attr_local_pref(): idem * bgp_attr_atomic(): idem
2011-10-08bgpd: fix parsing of graceful restart cap. (#663)Peter Pentchev
"While setting up a testbed, I ran across a little problem in the parsing of the "graceful restart" BGP capability that resulted in Quagga not actually activating it for the peer in question - when the peer sent a single AFI/SAFI block." * bgp_open.c * bgp_capability_restart(): actually process the last AFI/SAFI block
2011-10-08bgpd: improve attr length error handling (BZ#679)Denis Ovsienko
* bgp_attr.c * bgp_attr_parse(): provide extra argument to bgp_attr_aggregator() * bgp_attr_local_pref(): use bgp_notify_send_with_data() * bgp_attr_atomic(): idem * bgp_attr_aggregator(): idem Conflicts: bgpd/bgp_attr.c
2011-09-30bgpd: improve attr flags checksDenis Ovsienko
Do not check each of the Optional/Transitive/Partial attribute flag bits, when their only valid combination is known in advance, but still perform bit-deep error message logging. This change assumes unused (low-order) 4 bits of the flag octet cleared. * bgp_attr.c * bgp_attr_origin(): rewrite check * bgp_attr_nexthop(): idem * bgp_attr_med(): idem * bgp_attr_local_pref(): idem * bgp_attr_atomic(): idem Conflicts: bgpd/bgp_attr.c
2011-09-30bgpd: ignore 4 bits of attribute flags byteDenis Ovsienko
2011-09-30bgpd: add missing "partial" flag checks (BZ#676)Denis Ovsienko
ORIGIN handling function used to have "partial" bit check and recent commits added it for NEXT_HOP, MULTI_EXIT_DISC and ATOMIC_AGGREGATE cases. This commit adds "partial" check for AS_PATH and LOCAL_PREF cases, which should leave attributes 1 through 6 inclusive completely covered with attribute flags checks. * bgp_attr.c * bgp_attr_origin(): use bit-by-bit checks for better diagnostics * bgp_attr_aspath(): add flag check * bgp_attr_local_pref(): idem Conflicts: bgpd/bgp_attr.c
2011-09-30bgpd: improve NEXT_HOP attribute checks (BZ#680)Denis Ovsienko
* lib/prefix.h * IPV4_CLASS_DE(): new helper macro * bgp_attr.c * bgp_attr_nexthop(): add check for "partial" bit, refresh flag error reporting, explain meaning of RFC4271 section 6.3 and implement it Conflicts: bgpd/bgp_attr.c
2011-09-29bgpd: rename SAFI 3 according to RFC4760Denis Ovsienko
- SAFI value 3 is reserved. It was assigned by RFC 2858 for a use that was never fully implemented, so it is deprecated by this document. * zebra.h: rename macro * bgp_fsm.c: (bgp_graceful_restart_timer_expire, bgp_graceful_stale_timer_expire, bgp_stop, bgp_establish): update * bgpd.c: (peer_nsf_stop): update * bgp_open.c: (bgp_capability_vty_out): SAFI 3 isn't a recognized case any more
2011-09-29bgpd: more SAFI fixesDenis Ovsienko
(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
2011-09-29bgpd: fix SAFI for for MPLS labeled VPN-IPv6Denis Ovsienko
* bgpd.h: change value of BGP_SAFI_VPNV6 to 128 (RFC4659, BZ#659) * bgp_route.c: (bgp_table_stats_vty) fix length argument to strncmp()
2011-09-27bgpd: don't be confused by "unspecific" subcode in the NOTIFY message.Dmitrij Tejblum
* bgp_debug.c (bgp_notify_open_msg, bgp_notify_update_msg, bgp_notify_cease_msg, bgp_notify_capability_msg): add messages for "unspecific" subcode.
2011-09-27bgpd: spellingDenis Ovsienko
2011-09-27bgpd: spellingDenis Ovsienko
2011-09-27bgpd: check ATOMIC_AGGREGATE attr flags (BZ#678)Denis Ovsienko
* bgp_attr.c * bgp_attr_atomic(): accept extra argument, add checks for "optional", "transitive" and "partial" bits, log each error condition independently * bgp_attr_parse(): provide extra argument
2011-09-27bgpd: check MULTI_EXIT_DISC attr flags (BZ#677)Denis Ovsienko
* bgp_attr.c * bgp_attr_med(): add checks for "optional", "transitive" and "partial" bits, log each error condition independently
2011-09-27bgpd: check LOCAL_PREF attribute flags (BZ#674)Denis Ovsienko
* bgp_attr.c * bgp_attr_local_pref(): accept extra argument, add checks for "optional" and "transitive" bits, log each error condition independently * bgp_attr_parse(): provide extra argument
2011-09-27bgpd: add useful notification logs (BZ#616)heasley
* bgp_packet.c * bgp_notify_send_with_data(): add calls to zlog_info()
2011-09-27bgpd: consistent log msg format (BZ#565)heasley
2011-09-26bgpd: CVE-2011-3327 (ext. comm. buffer overflow)CROSS
This vulnerability (CERT-FI #513254) was reported by CROSS project. They have also suggested a fix to the problem, which was found acceptable. The problem occurs when bgpd receives an UPDATE message containing 255 unknown AS_PATH attributes in Path Attribute Extended Communities. This causes a buffer overlow in bgpd. * bgp_ecommunity.c * ecommunity_ecom2str(): perform size check earlier
2011-07-29Merge branch 'attr-errors'Paul Jakma
Contains BGP fixes: - set extcommunity crash: tihs patch tries to make the refcounting more robust but does not fully solve the problem, sadly. - BGP attribute error handling: Little testing.
2011-04-13bgpd: trivial format / warning fixesPaul Jakma
* bgp_aspath.c: (assegments_parse) just bail early if length doesn't match and fix the formatting. * bgp_network.c: add include needed for set_nonblocking * bgp_packet.c: formatting
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