| Age | Commit message (Collapse) | Author |
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* bgp_attr.h: (struct bgp_attr_parser_args) Attribute parsing context,
containing common arguments.
* bgp_attr.c: (general) Move the bgp_attr_flag_invalid flag-check calls up,
out of each individual attr parser function, to be done once in attr_parse.
Similarly move the calculation of the 'total' attribute length field up
to attr_parse.
Bundle together common arguments to attr-parsing functions and helpers
into (struct bgp_attr_parser_args), so it can be passed by reference down
the stack & also de-clutter the argument lists & make it easier to
add/modify the context for attr-parsing - add local const aliases to avoid
modifying body of code too much. This also should help avoid cut & paste
errors, where calls to helpers with hard-coded attribute types are pasted
to other functions but the code isn't changed.
(bgp_attr_flags_diagnose) as above.
(bgp_attr_flag_invalid) as above.
(bgp_attr_{origin,aspath,as4_path,nexthop,med,local_pref,atomic}) as above.
(bgp_attr_{aggregator,as4_aggregator,community,originator_id}) as above
(bgp_attr_{cluster_list,ext_communities},bgp_mp_{un,}reach_parse) as above
(bgp_attr_unknown) as above.
(bgp_attr_malformed) as above. Also, startp and length have to be
special-cased, because whether or not to send attribute data depends
on the particular error - a separate length argument, distinct from
args->length, indicates whether or not the attribute data should be sent
in the NOTIFY.
(bgp_attr_aspath_check) Call to bgp_attr_malformed is wrong here, there is
no attribute parsing context - e.g. the 'flag' argument is unlikely to be
right, remove it. Explicitly handle the error instead.
(bgp_attr_munge_as4_attrs) Flag argument is pointless.
As the comment notes, the check here is pointless as AS_PATH presence
already checked elsewhere.
(bgp_attr_parse) Do bgp_attr_flag_invalid call here.
Use (struct bgp_attr_parser_args) for args to attr parser functions.
Remove out-of-context 'flag' argument to as4 checking functions.
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* bgpd/bgp_attr.c: (attr_flags_values []) array of required flags for
attributes, EXTLEN & PARTIAL masked off as "dont care" as appropriate.
(bgp_attr_flag_invalid) check if flags may be invalid, according to
the above table & RFC rules.
(bgp_attr_*) Use bgp_attr_flag_invalid.
(bgp_attr_as4_aggregator) ditto, also take startp argument for the
NOTIFY data.
(bgp_attr_parse) pass startp to bgp_attr_as4_aggregator
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* bgpd/bgp_attr.c: (bgp_attr_aspath) error message could be misleading,
clearly log what flag was incorrect.
(Problem noted in "bgpd: fix error message in bgp_attr_aspath()" in
Quagga-RE)
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* bgp_attr.c
* attr_flag_str: new message list
* bgp_attr_flags_diagnose(): new function, implements previously added
error logging in a generic way
* bgp_attr_origin(): use bgp_attr_flags_diagnose()
* bgp_attr_nexthop(): ditto
* bgp_attr_med(): ditto
* bgp_attr_local_pref(): ditto
* bgp_attr_atomic(): ditto
* bgp_attr_originator_id(): ditto
* bgp_attr_cluster_list(): ditto
* bgp_mp_reach_parse(): ditto
* bgp_mp_unreach_parse(): ditto
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(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
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this fixes commit b881c7074bb698aeb1b099175b325734fc6e44d2
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* bgp_attr.c (bgp_attr_originator_id, bgp_attr_cluster_list): provide
required arguments to bgp_attr_malformed()
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* bgp_attr.c
* bgp_attr_aggregator(): check Optional/Transitive flag bits
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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()
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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()
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* 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
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* 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
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* 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
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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
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* 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
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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
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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
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* 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
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(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
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* 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
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* bgp_attr.c
* bgp_attr_med(): add checks for "optional", "transitive" and
"partial" bits, log each error condition independently
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* 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
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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.
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* bgp_attr.c: (attrhash_key_make) 98e30f should have changed jhash2 to jhash.
These kinds of merge errors would be reduced and life would be easier if
people would submit fully-formed fixes that could be chucked directly into
git-am.
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* bgp_attr.c; (attrhash_key_make) s6_addr is only member of in6_addr
guaranteed to be available - s6_addr32 isn't. Fix to be more portable, and
thus allow compilation on BSD again.
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* 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
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* draft-ietf-idr-as-pathlimit doesn't seem to have gone anywhere, and its
author does not think it will make progress in IDR. Remove all support
introduced for it, but leave stubs for the commands to avoid breaking
any configurations.
Basically reverts cecab5e9725792e60a5e4b473e238a14cd85815d.
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extcom..'
* Extended communities has some kind of resource allocation problem which
causes a double-free if the 'set extcommunity ...' command is used.
Try fix by properly interning extcommunities.
Also, more generally, make unintern functions take a double pointer
so they can NULL out callers references - a usefully defensive programming
pattern for functions which make refs invalid.
Sadly, this patch doesn't fix the problem entirely - crashes still
occur on session clear.
* bgp_ecommunity.h: (ecommunity_{free,unintern}) take double pointer
args.
* bgp_community.h: (community_unintern) ditto
* bgp_attr.h: (bgp_attr_intern) ditto
* bgp_aspath.h: (bgp_aspath.h) ditto
* (general) update all callers of above
* bgp_routemap.c: (route_set_ecommunity_{rt,soo}) intern the new extcom added
to the attr, and unintern any old one.
(route_set_ecommunity_{rt,soo}_compile) intern the extcom to be used
for the route-map set.
(route_set_ecommunity_*_free) unintern to match, instead of free
(route_set_ecommunity_soo) Do as _rt does and don't just leak
any pre-existing community, add to it (is additive right though?)
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Some of the changes made in commit cddb8112b80fa9867156c637d63e6e79eeac67bb
don't work particularly well for other changes that need to be made to
address BGP attribute error handling problems. In particular, returning
a pointer from complex attribute data parsing functions will not suffice
to express the require range of return status conditions.
* bgp_aspath.c: (assegments_parse) Rollback to a more minimal set of
changes to fix the original problem.
(aspath_parse) Slightly needless pushing around of code, and taking
2 parameters to say whether ot use 2 or 4 byte encoding seems unnecessary.
* bgp_attr.c: (bgp_attr_as{,4}path) Rollback, in preparation for BGP
attribute error handling update.
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* bgp_attr.c: (bgp_attr_ext_communities) Certain extended-community attrs
can leave attr->flag indicating ext-community is present, even though no
extended-community object has been attached to the attr structure. Thus a
null-pointer dereference can occur later.
(bgp_attr_community) No bug fixed here, but tidy up flow so it has same
form as previous.
Problem and fix thanks to anonymous reporter.
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* bgp_attr.c: I observed while doing some debugging that even for simple
tests there was a lot of hash collisions for BGP attributes. Switch to
using Jhash rather than additive hashing. Probably overkill, but the
function is fast and available.
({attrhash,cluster,transit}_hask_key_make) convert to Jenkins hash,
instead of additive hash.
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* bgpd/bgp_attr.c, bgpd/bgp_open.h, bgpd/bgp_route.c, lib/prefix.c,
lib/prefix.h: Various integer types were being used where, if we
had strict type checking, afi_t and safi_t would be required.
Signed-off-by: G.Balaji <balajig81@gmail.com>
(cherry picked from commit c8af35ffa2dc79ff7d7ff00b1b61f1f50a100ab6)
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* 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
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* bgp_attr.c: (bgp_mp_reach_parse) There are some interoperability issues
for MBGP (particularly IPv4 multicast NLRI) between different
implementations. In order to get some next hops to install correctly in
the BGP tables, it appears to be necessary to copy the multiprotocol next
hop into the base next hop field. This is related to differences in RFC
2283 and RFC 2858.
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This patch implements BGP confederation error handling in Quagga as described
in RFC5065, paragraph 5.
* bgp_aspath.c: (aspath_confed_check, aspath_left_confed_check) new functions
* bgp_attr.c: (bgp_attr_aspath_check) apply previous and NOTIFY if there's
a problem.
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I've spent the last several weeks working on stability fixes to bgpd.
These patches fix all of the numerous crashes, assertion failures, memory
leaks and memory stomping I could find. Valgrind was used extensively.
Added new function bgp_exit() to help catch problems. If "debug bgp" is
configured and bgpd exits with status of 0, statistics on remaining
lib/memory.c allocations are printed to stderr. It is my hope that other
developers will use this to stay on top of memory issues.
Example questionable exit:
bgpd: memstats: Current memory utilization in module LIB:
bgpd: memstats: Link List : 6
bgpd: memstats: Link Node : 5
bgpd: memstats: Hash : 8
bgpd: memstats: Hash Bucket : 2
bgpd: memstats: Hash Index : 8
bgpd: memstats: Work queue : 3
bgpd: memstats: Work queue item : 2
bgpd: memstats: Work queue name string : 3
bgpd: memstats: Current memory utilization in module BGP:
bgpd: memstats: BGP instance : 1
bgpd: memstats: BGP peer : 1
bgpd: memstats: BGP peer hostname : 1
bgpd: memstats: BGP attribute : 1
bgpd: memstats: BGP extra attributes : 1
bgpd: memstats: BGP aspath : 1
bgpd: memstats: BGP aspath str : 1
bgpd: memstats: BGP table : 24
bgpd: memstats: BGP node : 1
bgpd: memstats: BGP route : 1
bgpd: memstats: BGP synchronise : 8
bgpd: memstats: BGP Process queue : 1
bgpd: memstats: BGP node clear queue : 1
bgpd: memstats: NOTE: If configuration exists, utilization may be expected.
Example clean exit:
bgpd: memstats: No remaining tracked memory utilization.
This patch fixes bug #397: "Invalid free in bgp_announce_check()".
This patch fixes bug #492: "SIGBUS in bgpd/bgp_route.c:
bgp_clear_route_node()".
My apologies for not separating out these changes into individual patches.
The complexity of doing so boggled what is left of my brain. I hope this
is all still useful to the community.
This code has been production tested, in non-route-server-client mode, on
a linux 32-bit box and a 64-bit box.
Release/reset functions, used by bgp_exit(), added to:
bgpd/bgp_attr.c,h
bgpd/bgp_community.c,h
bgpd/bgp_dump.c,h
bgpd/bgp_ecommunity.c,h
bgpd/bgp_filter.c,h
bgpd/bgp_nexthop.c,h
bgpd/bgp_route.c,h
lib/routemap.c,h
File by file analysis:
* bgpd/bgp_aspath.c: Prevent re-use of ashash after it is released.
* bgpd/bgp_attr.c: #if removed uncalled cluster_dup().
* bgpd/bgp_clist.c,h: Allow community_list_terminate() to be called from
bgp_exit().
* bgpd/bgp_filter.c: Fix aslist->name use without allocation check, and
also fix memory leak.
* bgpd/bgp_main.c: Created bgp_exit() exit routine. This function frees
allocations made as part of bgpd initialization and, to some extent,
configuration. If "debug bgp" is configured, memory stats are printed
as described above.
* bgpd/bgp_nexthop.c: zclient_new() already allocates stream for
ibuf/obuf, so bgp_scan_init() shouldn't do it too. Also, made it so
zlookup is global so bgp_exit() can use it.
* bgpd/bgp_packet.c: bgp_capability_msg_parse() call to bgp_clear_route()
adjusted to use new BGP_CLEAR_ROUTE_NORMAL flag.
* bgpd/bgp_route.h: Correct reference counter "lock" to be signed.
bgp_clear_route() now accepts a bgp_clear_route_type of either
BGP_CLEAR_ROUTE_NORMAL or BGP_CLEAR_ROUTE_MY_RSCLIENT.
* bgpd/bgp_route.c:
- bgp_process_rsclient(): attr was being zero'ed and then
bgp_attr_extra_free() was being called with it, even though it was
never filled with valid data.
- bgp_process_rsclient(): Make sure rsclient->group is not NULL before
use.
- bgp_processq_del(): Add call to bgp_table_unlock().
- bgp_process(): Add call to bgp_table_lock().
- bgp_update_rsclient(): memset clearing of new_attr not needed since
declarationw with "= { 0 }" does it. memset was already commented
out.
- bgp_update_rsclient(): Fix screwed up misleading indentation.
- bgp_withdraw_rsclient(): Fix screwed up misleading indentation.
- bgp_clear_route_node(): Support BGP_CLEAR_ROUTE_MY_RSCLIENT.
- bgp_clear_node_queue_del(): Add call to bgp_table_unlock() and also
free struct bgp_clear_node_queue used for work item.
- bgp_clear_node_complete(): Do peer_unlock() after BGP_EVENT_ADD() in
case peer is released by peer_unlock() call.
- bgp_clear_route_table(): Support BGP_CLEAR_ROUTE_MY_RSCLIENT. Use
struct bgp_clear_node_queue to supply data to worker. Add call to
bgp_table_lock().
- bgp_clear_route(): Add support for BGP_CLEAR_ROUTE_NORMAL or
BGP_CLEAR_ROUTE_MY_RSCLIENT.
- bgp_clear_route_all(): Use BGP_CLEAR_ROUTE_NORMAL.
Bug 397 fixes:
- bgp_default_originate()
- bgp_announce_table()
* bgpd/bgp_table.h:
- struct bgp_table: Added reference count. Changed type of owner to be
"struct peer *" rather than "void *".
- struct bgp_node: Correct reference counter "lock" to be signed.
* bgpd/bgp_table.c:
- Added bgp_table reference counting.
- bgp_table_free(): Fixed cleanup code. Call peer_unlock() on owner if
set.
- bgp_unlock_node(): Added assertion.
- bgp_node_get(): Added call to bgp_lock_node() to code path that it was
missing from.
* bgpd/bgp_vty.c:
- peer_rsclient_set_vty(): Call peer_lock() as part of peer assignment
to owner. Handle failure gracefully.
- peer_rsclient_unset_vty(): Add call to bgp_clear_route() with
BGP_CLEAR_ROUTE_MY_RSCLIENT purpose.
* bgpd/bgp_zebra.c: Made it so zclient is global so bgp_exit() can use it.
* bgpd/bgpd.c:
- peer_lock(): Allow to be called when status is "Deleted".
- peer_deactivate(): Supply BGP_CLEAR_ROUTE_NORMAL purpose to
bgp_clear_route() call.
- peer_delete(): Common variable listnode pn. Fix bug in which rsclient
was only dealt with if not part of a peer group. Call
bgp_clear_route() for rsclient, if appropriate, and do so with
BGP_CLEAR_ROUTE_MY_RSCLIENT purpose.
- peer_group_get(): Use XSTRDUP() instead of strdup() for conf->host.
- peer_group_bind(): Call bgp_clear_route() for rsclient, and do so with
BGP_CLEAR_ROUTE_MY_RSCLIENT purpose.
- bgp_create(): Use XSTRDUP() instead of strdup() for peer_self->host.
- bgp_delete(): Delete peers before groups, rather than after. And then
rather than deleting rsclients, verify that there are none at this
point.
- bgp_unlock(): Add assertion.
- bgp_free(): Call bgp_table_finish() rather than doing XFREE() itself.
* lib/command.c,h: Compiler warning fixes. Add cmd_terminate(). Fixed
massive leak in install_element() in which cmd_make_descvec() was being
called more than once for the same cmd->strvec/string/doc.
* lib/log.c: Make closezlog() check fp before calling fclose().
* lib/memory.c: Catch when alloc count goes negative by using signed
counts. Correct #endif comment. Add log_memstats_stderr().
* lib/memory.h: Add log_memstats_stderr().
* lib/thread.c: thread->funcname was being accessed in thread_call() after
it had been freed. Rearranged things so that thread_call() frees
funcname. Also made it so thread_master_free() cleans up cpu_record.
* lib/vty.c,h: Use global command_cr. Add vty_terminate().
* lib/zclient.c,h: Re-enable zclient_free().
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Message lists can be read-only, and hash tables are local to this
code.
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Use Ansi-C prototypes rather than old K&R method of declaring
function without arguments
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Simple conversion of XMALLOC/memset to XCALLOC
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* bgpd/bgp_aspath.c: (aspath_make_str_count) "assert (len < str_size)" was
getting hit under certain 4-byte ASN conditions. New realloc strategy.
* bgpd/bgp_aspath.c: (aspath_key_make) const warning fix.
"%d" -> "%u" 4-byte ASN corrections. Prevent negative number when ASN is
above 2^31.
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2008-08-15 Paul Jakma <paul.jakma@sun.com>
* */*: Fix various problems flagged by Sun Studio compiler.
- '<qualifier> <storage>' obsolescent in declarations
- empty statements (';' after ALIAS definitions)
- implicit declarations (e.g printstack in lib/log.c)
- "\%" in printf string instead of "%%"
- loops that return on the first iteration (legitimately, but
compiler can't really know), e.g. bgp_routemap.c
- internal declarations which mask prototypes.
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2008-08-14 Stephen Hemminger <stephen.hemminger@vyatta.com>
* lib/hash.h: (struct hash) Hash comparator callback really
ought to treat storage behind arguments as constant - a compare
function with side-effects would be evil.
* */*.c: Adjust comparator functions similarly, thus fixing at least
a few compiler warnings about const qualifier being dropped.
Signed-off-by: Paul Jakma <paul@quagga.net>
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2008-07-22 Paul Jakma <paul.jakma@sun.com>
* bgp_community.c: (community_str2com) assigns defaults to local
vars
* bgp_attr.c: (bgp_attr_parse) match format specifier to arg
* bgp_table.{c,h}: (bgp_table_top) can take a * to a const, quelling
warning in bgp_route.c
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2008-06-07 Paul Jakma <paul@jakma.org>
* bgp_attr.{c,h}: (bgp_mp_{un,}reach_parse) export, for unit tests.
* bgp_attr.c: (bgp_mp_reach_parse) Add logging. Tighten length test
to bounds check against the attribute length rather than the
stream length..
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2008-06-01 jfletche@gmail.com
* bgp_attr.c: (bgp_attr_aspathlimit) fix silly bug in flags check
that was causing BGP to drop sessions if it received a
aspath-limit with partial set. Fixes bug #419.
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2008-03-13 Paul Jakma <paul.jakma@sun.com>
* (various) Remove 0 entries from struct message's, unneeded due to
recent improvements in mes_lookup/LOOKUP.
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