| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: David Lamparter <equinox@diac24.net>
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bgpd: fill in prefix for flowspec entry when json format is requested
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as prefix is opaque for flowspec, and json needs to have a non empty
full of meaning value in prefix, the proposal is to encode the
displayable form of flowspec entry.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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zebra: Notice when a route fails to install on *bsd
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When we fail to install a route into bsd, note the case
where we have no viable nexthops installed for it, so
that we can know in zebra if the route is good or not.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Add fabricd to distribution scripts
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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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bgp: Revert default originate changes to allow set
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default-originate"
This reverts commit 74401e62721b8f83ff0e34127d6235fda112c7c8.
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This reverts commit c2e10422033771da9f12a4a283b0bc767240a3d8.
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The tx_id_buf was not being set to anything in some cases,
make sure it's a null string before using.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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opensourcerouting/feature/isis-improve-lsp-scheduling
Feature: IS-IS improve lsp scheduling
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When there is a stream of events coming in, where IS-IS learns
about a lot of updates, IS-IS would regenerate its LSPs before
the updates have been processed completely.
This causes suboptimal convergence because the intermediate state
will be flooded. Only after the configured `lsp_gen_interval`, a
new update with the correct and final state will be generated.
Resolve this by holding off LSP generation while there are still
events coming in.
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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lsp_l1_refresh and lsp_l2_refresh are identical apart from the
hardcoded IS-IS level they are referring to. So merge them and
pass the level as part of the argument.
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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For debugging the timing of LSP generation, it is useful to know
which event caused a regeneration to be scheduled. Therefore, add
this information to the debug log.
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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For debugging the scheduling of SPF, it is useful to see from
where an SPF run is scheduled. So add this information to the
log.
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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bgpd:Fixing the signature of community_free function
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bgpd: Select default routing table when importing VRF routes into global
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Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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vtysh: Add some missing daemons to some commands in vtysh
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Fixes: #3173
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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...with an additional comment.
Signed-off-by: David Lamparter <equinox@diac24.net>
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Signed-off-by: David Lamparter <equinox@diac24.net>
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on some cases, kernel routes are not selected, because the kernel
suppressed it without informing the netlink layer that the route has
been suppressed ( for instance, when an interface goes down, the route
never goes back when interface goes up again). This commit intends to
suppress that entry from zebra.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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...with a nit fix
Signed-off-by: David Lamparter <equinox@diac24.net>
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As noted in review comment by @rwestphal
Signed-off-by: David Lamparter <equinox@diac24.net>
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The ->hash_cmp and linked list ->cmp functions were sometimes
being used interchangeably and this really is not a good
thing. So let's modify the hash_cmp function pointer to return
a boolean and convert everything to use the new syntax.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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We had a variety of issues with sorted list compare functions.
This commit identifies and fixes these issues.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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CLI fuzzer fixes
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Add a missing check to bail out earlier when SR is not configured. The
same command without the "no" prefix has the same check as it prevents
unexpected things (i.e. crashes) from happening.
Fixes the following segfaults:
ospfd aborted: vtysh -c "configure terminal" -c "router ospf" -c "no segment-routing prefix 1.1.1.1/32"
ospfd aborted: vtysh -c "configure terminal" -c "router ospf" -c "no segment-routing prefix 1.1.1.1/32 index 65535 no-php-flag"
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The "show ipv6 ospf6 interface [IFNAME] prefix" command shouldn't accept
the "match" keyword when a prefix is not given, otherwise ospf6d will
crash.
Fixes the following crashes:
ospf6d aborted: vtysh -c "show ipv6 ospf6 interface eth99 prefix match"
ospf6d aborted: vtysh -c "show ipv6 ospf6 interface prefix match"
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Trivial NULL pointer dereference bug.
Fixes the following crash:
bgpd aborted: vtysh -c "configure terminal" -c "route-map RMAP permit 1" -c "no match ipv6 next-hop type"
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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zclient->redist[afi][type] is a hash table and not an integer since a
while ago when VRF support was introduced. As such, zclient->redist[][]
should never be manipulated directly, the vrf_bitmap_*() helper functions
should be used instead. This fixes a few crashes found by the CLI fuzzer.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The routing table data structure can create intermediate route nodes
during its normal operation, so we always need to check if the 'info'
pointer of a route node is NULL or not before dereferencing it.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The vnc_direct_del_rn_group_rd() function can be called with the 'afi'
parameter set to AFI_L2VPN on some specific cases. Remove the assert to
fix the crash.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Other parts of the rfapi code check if the 'rfg->rfapi_import_table'
pointer is NULL or not before using it. Do the same here to fix a crash
detected by the CLI fuzzer.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The rfapiDeleteRemotePrefixesIt() function checks on several places if
'p' is NULL or not. Introduce an additional NULL check to prevent a
crash from happening.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The rfapi code wasn't checking if strtoul() succeeded or not when parsing
the list of labels. Fix the affected commands by not allowing the user
to enter a non-numeric input.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Other parts of the rfapi code also check if these pointers are NULL or
not before using them.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The peer->group pointer is set only if the PEER_STATUS_GROUP flag is
set in the peer. Add a protection to prevent a NULL pointer dereference.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Like community_cmp() and ecommunity_cmp(), the lcommunity_cmp() function
also needs to handle NULL pointers for correct operation.
Without this fix, bgpd can crash when entering the following commands:
vtysh -c "configure terminal" -c "ip large-community-list standard WORD deny"
vtysh -c "configure terminal" -c "no ip large-community-list expanded WORD"
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The bgp_damp_config_clean() function was deallocating some arrays without
resetting the variables that represent their sizes. This was leading to
some crashes because other parts of the code iterate over these arrays
by looking at their corresponding sizes, which could be invalid.
Fixes the following segfaults (which only happen under certain
circumstances):
vtysh -c "configure terminal" -c "router bgp 1" -c "bgp dampening"
vtysh -c "configure terminal" -c "router bgp 1" -c "no bgp dampening"
vtysh -c "configure terminal" -c "router bgp 1" -c "no bgp dampening 45"
vtysh -c "" -c "clear ip bgp dampening"
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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The BFD code assumes that multihop peers have a local address
configured. When that doesn't happen, the BFD client daemons fail to
decode some BFD ZAPI messages and abort. To fix this, do not accept the
configuration of multhop peers unless a local-address is configured.
Fixes the following segfaults:
- bgpd aborted: vtysh -c "configure terminal" -c "bfd" -c "peer 1.1.1.1 multihop"
- bgpd aborted: vtysh -c "configure terminal" -c "bfd" -c "peer 1.1.1.1 multihop vrf NAME"
- bgpd aborted: vtysh -c "configure terminal" -c "bfd" -c "peer 1.1.1.1 vrf NAME multihop"
- ospf6d aborted: vtysh -c "configure terminal" -c "bfd" -c "peer 1.1.1.1 multihop"
- ospf6d aborted: vtysh -c "configure terminal" -c "bfd" -c "peer 1.1.1.1 multihop vrf NAME"
- ospf6d aborted: vtysh -c "configure terminal" -c "bfd" -c "peer 1.1.1.1 vrf NAME multihop"
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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community_free, lcommunity_free and ecommunity_free are similar type of functions. Most of the places, these three are called together. The signature of community_free is different from other two functions. Modified the community_free API signature to align with other two functions to avoid any confusion. There is no functionality impact with this and this is just to avoid any confusion.
Testing: manual testing and show commands
Signed-off-by: Sri Mohana Singamsetty msingamsetty@vmware.com
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ospfd: Do not allow thread drop
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When the ospf->oi_write_q is not empty that means that ospf could
already have a thread scheduled for running. Just dropping
the pointer before resheduling does not stop the one currently
scheduled for running from running. The calling of thread_add_write
checks to see if we are already running and does the right thing here
so it is sufficient to just call thread_add_write.
This issue was tracked down from this stack trace:
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [EC 134217739] interface eth2.1032:172.16.4.110: ospf_check_md5 bad sequence 5333618 (expect 5333649)
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: message repeated 3 times: [ [EC 134217739] interface eth2.1032:172.16.4.110: ospf_check_md5 bad sequence 5333618 (expect 5333649)]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: Assertion `node’ failed in file ospfd/ospf_packet.c, line 666, function ospf_write
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: Backtrace for 8 stack frames:
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [bt 0] /usr/lib/libfrr.so.0(zlog_backtrace+0x3a) [0x7fef3efe9f8a]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [bt 1] /usr/lib/libfrr.so.0(_zlog_assert_failed+0x61) [0x7fef3efea501]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [bt 2] /usr/lib/frr/ospfd(+0x2f15e) [0x562e0c91815e]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [bt 3] /usr/lib/libfrr.so.0(thread_call+0x60) [0x7fef3f00d430]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [bt 4] /usr/lib/libfrr.so.0(frr_run+0xd8) [0x7fef3efe7938]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [bt 5] /usr/lib/frr/ospfd(main+0x153) [0x562e0c901753]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [bt 6] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fef3d83db45]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: [bt 7] /usr/lib/frr/ospfd(+0x190be) [0x562e0c9020be]
Oct 19 18:04:00 VYOS-R1 ospfd[1811]: Current thread function ospf_write, scheduled from file ospfd/ospf_packet.c, line 881
Oct 19 18:04:00 VYOS-R1 zebra[1771]: [EC 4043309116] Client ‘ospf’ encountered an error and is shutting down.
Oct 19 18:04:00 VYOS-R1 zebra[1771]: client 41 disconnected. 0 ospf routes removed from the rib
We had an assert(node) in ospf_write, which means that the list was empty. So I just
searched until I saw a code path that allowed multiple writes to the ospf_write function.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Rmap crash
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Do not allow a v6 route to set a v4 nexthop via a routemap.
As that this will crash bgp.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Donald Sharp <sahrpd@cumulusnetworks.com>
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