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Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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pimd: Fix missing pimreg interface
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bgpd: Drop redundant assignment for aspath segment type and length
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zebra: be more careful removing 'installed' flag from nhgs
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zebra: Prevent leaking ctx memory in err condition
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zebra: Free nexthop_group
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`ng` was not properly freed, leading to a memory leak.
The commit calls `nexthop_group_delete` to free memory associated with `ng`.
The ASan leak log for reference:
```
***********************************************************************************
Address Sanitizer Error detected in isis_topo1.test_isis_topo1/r5.asan.zebra.24308
=================================================================
==24308==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 32 byte(s) in 1 object(s) allocated from:
#0 0x7f4f47b43d28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)
#1 0x7f4f4753c0a8 in qcalloc lib/memory.c:105
#2 0x7f4f47559526 in nexthop_group_new lib/nexthop_group.c:270
#3 0x562ded6a39d4 in zebra_add_import_table_entry zebra/redistribute.c:681
#4 0x562ded787c35 in rib_link zebra/zebra_rib.c:3972
#5 0x562ded787c35 in rib_addnode zebra/zebra_rib.c:3993
#6 0x562ded787c35 in process_subq_early_route_add zebra/zebra_rib.c:2860
#7 0x562ded787c35 in process_subq_early_route zebra/zebra_rib.c:3138
#8 0x562ded787c35 in process_subq zebra/zebra_rib.c:3178
#9 0x562ded787c35 in meta_queue_process zebra/zebra_rib.c:3228
#10 0x7f4f475f7118 in work_queue_run lib/workqueue.c:266
#11 0x7f4f475dc7f2 in event_call lib/event.c:1969
#12 0x7f4f4751f347 in frr_run lib/libfrr.c:1213
#13 0x562ded69e818 in main zebra/main.c:486
#14 0x7f4f468ffc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
Indirect leak of 152 byte(s) in 1 object(s) allocated from:
#0 0x7f4f47b43d28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)
#1 0x7f4f4753c0a8 in qcalloc lib/memory.c:105
#2 0x7f4f475510ad in nexthop_new lib/nexthop.c:376
#3 0x7f4f475539c5 in nexthop_dup lib/nexthop.c:914
#4 0x7f4f4755b27a in copy_nexthops lib/nexthop_group.c:444
#5 0x562ded6a3a1c in zebra_add_import_table_entry zebra/redistribute.c:682
#6 0x562ded787c35 in rib_link zebra/zebra_rib.c:3972
#7 0x562ded787c35 in rib_addnode zebra/zebra_rib.c:3993
#8 0x562ded787c35 in process_subq_early_route_add zebra/zebra_rib.c:2860
#9 0x562ded787c35 in process_subq_early_route zebra/zebra_rib.c:3138
#10 0x562ded787c35 in process_subq zebra/zebra_rib.c:3178
#11 0x562ded787c35 in meta_queue_process zebra/zebra_rib.c:3228
#12 0x7f4f475f7118 in work_queue_run lib/workqueue.c:266
#13 0x7f4f475dc7f2 in event_call lib/event.c:1969
#14 0x7f4f4751f347 in frr_run lib/libfrr.c:1213
#15 0x562ded69e818 in main zebra/main.c:486
#16 0x7f4f468ffc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
SUMMARY: AddressSanitizer: 184 byte(s) leaked in 2 allocation(s).
***********************************************************************************
```
Signed-off-by: Keelan Cannoo <keelan.cannoo@icloud.com>
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ospfd: a possible fix for TAINTED_SCALAR coverity issues
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lib,*: add vrf id to pbr rule results zapi message
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When netlink_link_change() errors out for a new link for
interface without MTU set, the allocated ctx is not freed..
Adding code for correctness
Ticket# 3628313
Signed-off-by: Rajasekar Raja <rajasekarr@nvidia.com>
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zebra: add zclient to iprules key
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zebra: remove ZEBRA_INTERFACE_VRF_UPDATE
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isisd: remove redundant northbound destroy callbacks
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Signed-off-by: anlan_cs <anlan_cs@tom.com>
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Currently when one interface changes its VRF, zebra will send these messages to
all daemons in *order*:
1) `ZEBRA_INTERFACE_DELETE` ( notify them delete from old VRF )
2) `ZEBRA_INTERFACE_VRF_UPDATE` ( notify them move from old to new VRF )
3) `ZEBRA_INTERFACE_ADD` ( notify them added into new VRF )
When daemons deal with `VRF_UPDATE`, they use
`zebra_interface_vrf_update_read()->if_lookup_by_name()`
to check the interface exist or not in old VRF. This check will always return
*NULL* because `DELETE` ( deleted from old VRF ) is already done, so can't
find this interface in old VRF.
Send `VRF_UPDATE` is redundant and unuseful. `DELETE` and `ADD` are enough,
they will deal with RB tree, so don't send this `VRF_UPDATE` message when
vrf changes.
Since all daemons have good mechanism to deal with changing vrf, and don't
use this `VRF_UPDATE` mechanism. So, it is safe to completely remove
all the code with `VRF_UPDATE`.
Signed-off-by: anlan_cs <anlan_cs@tom.com>
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Include a zclient value in the hash and tree key computations
for iprules in zebra: clients may collide without this.
Signed-off-by: Mark Stapp <mjs@labn.net>
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Fixes startup warnings:
```
ISIS: [ZKB8W-3S2Q4][EC 100663330] unneeded 'destroy' callback for '/frr-isisd:isis/instance/segment-routing-srv6/msd/node-msd/max-segs-left'
ISIS: [ZKB8W-3S2Q4][EC 100663330] unneeded 'destroy' callback for '/frr-isisd:isis/instance/segment-routing-srv6/msd/node-msd/max-end-pop'
ISIS: [ZKB8W-3S2Q4][EC 100663330] unneeded 'destroy' callback for '/frr-isisd:isis/instance/segment-routing-srv6/msd/node-msd/max-h-encaps'
ISIS: [ZKB8W-3S2Q4][EC 100663330] unneeded 'destroy' callback for '/frr-isisd:isis/instance/segment-routing-srv6/msd/node-msd/max-end-d'
```
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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The iprule/pbr rule object has a vrf id, and zebra uses
that internally, but the vrf id isn't returned to clients
who install rules and are waiting for results. Include the
vrf_id sent by the client in the zapi result notification
message; update the existing clients so they decode the id.
Signed-off-by: Mark Stapp <mjs@labn.net>
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They are already initialized via assegment_new().
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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tests: locate nhg id from json output in all_proto_startup
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Don't hard-code a sharpd nhg id: those values aren't stable
if the daemons/protos/route-types change. Use json show output
to find the id in the 'resilient' nhg test case in
the all_protocol_startup suite.
Signed-off-by: Mark Stapp <mjs@labn.net>
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pimd: Indicating the configured PIM Rendezvous Point (RP) in the MSDP SA message
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staticd: Memory leak of string in staticd
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XSTRDUP and then calling strsep mangles the
pointer returned by XSTRDUP. Keep a copy
of the orig and when we are done, free that instead.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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opensourcerouting/fix/guard_debug_messages_for_ttl
bgpd: Add guards for zlog_debug when setting GTSM for the peer
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Indicating the configured PIM Rendezvous Point (RP) in the MSDP SA
message
The RFC-3618, section 12.2.1, describes the fields included in the MSDP
SA message. The "RP address" field is "the address of the RP in the
domain the source has become active in".
In the most common case, we will establish an MSDP connection from RP to
RP. However, there are cases where we want to establish a MSDP
connection from an interface/address that is not the RP. Section 3 of
RFC-3618 describes that scenario as "intermediate MSDP peer". Moreover,
the RP could be another router in the PIM domain - not the one
establishing the MSDP connection.
The current implementation could be problematic even with a single
router per PIM domain. Consider the following scenario:
* There are two PIM domains, each one with a single router.
* The two routers are connected via two independent networks. Let's say
that is to provide redundancy.
* The routers are configured to establish two MSDP connections, one on
each network (redundancy again).
* A multicast source becomes active on the router 1. It will be
communicated to router 2 via two independent MSDP SA messages, one per
MSDP connection.
* Without these changes, each MSDP SA message will indicate a different
RP.
* Both RP addresses will pass the RPF check, and both MSDP sources will
be accepted.
* If the router has clients interested in that multicast group, it will
send PIM Join messages to both RPs and start receiving the multicast
traffic from both.
With the changes included in this commit, the multicast source available
in router 1 would still be communicated to router 2 twice. But both MSDP
SA messages would indicate the same RP, and one of them would be
discarded due to failure in the RPF-check failure. Also, the changes
allow us to define the RP that will be included in the MSDP SA message,
and it could be one of the interfaces used to establish the MSDP
connection, some other interface on the router, a loopback interface, or
another router in the PIM domain.
These changes should not create compatibility issues. As I mentioned, we
usually establish MSDP connections from RP to RP. In this case, the
result will be the same. We would still indicate the address used to
establish the MSDP connection if the RP is not set - I wonder if that
should even be a valid configuration.
Signed-off-by: Adriano Marto Reis <adrianomarto@gmail.com>
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Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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opensourcerouting/fix/bgpd_software_version_capability
bgpd: Validate maximum length of software version when handling via dynamic caps
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lib: fix route map duplicated prefix removal evaluation
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bgpd: add match community "any" to match any incoming community
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lib: use XREALLOC over realloc avoid coverity warning
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Signed-off-by: Mahdi Varasteh <varasteh@amnesh.ir>
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Add a topotest to check for proper functioning of the
bgp large community list match operation under a route-map.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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There is no match mechanism to match one community from the
incoming community-list. Add the 'any' keyword to the 'match
route-map' command of communit-list and large-community-list.
> match community-list AAA any
> match large-community-list AAA any
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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Adjust protocol command values for zebra based on latest code.
Also, expand the field width to fit the length.
Signed-off-by: anlan_cs <anlan_cs@tom.com>
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When interface addresses change, we examine nhgs associated
with the interface in case they need to be reinstalled. As
part of that, we may need to reinstall ecmp nhgs that use the
interface being examined - but not always.
Signed-off-by: Mark Stapp <mjs@labn.net>
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A couple minor fixes
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zebra: delete label chunk upon release
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It can't begin with anything else, otherwise something is broken on the wire.
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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We should not allow exceeding the stream's length, and also software version
can't be larger than 64 bytes.
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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In zebra/label_manager.c the releasing of the label chunk is done by
disowning the chunk to the system. The presence of this system label
chunk will cause label assignment to fail for this use case example:
label chunk ospf: 300-320
label chunk system: 510-520
label chunk isis: 1200-1300
Then we try to allocate the chunk 500-530, we get this error:
"Allocation of mpls label chunk [500/530] failed"
The error is raised when the below condition is true:
/* if chunk is used, cannot honor request */
if (lmc->proto != NO_PROTO)
return NULL;
Delete the label chunk instead of disowning it when the label releasing
is done.
Signed-off-by: Farid MIHOUB <farid.mihoub@6wind.com>
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Add the new command "show debugging labeltable" to show allocated label
chunks in the label table managed with label_manager.c
Signed-off-by: Farid Mihoub <farid.mihoub@6wind.com>
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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More developer doc fixes
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bgpd: fix link state coverity scan issues
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I believe coverity is complaining that the current code does not handle the
realloc fail case, in which case the original pointer is not freed, but NULL is
returned. The code assert()s it's not failed but that is not strong enough it
needs to abort which XREALLOC does and is a better integration into FRR-inrfa
anyway.
Signed-off-by: Christian Hopps <chopps@labn.net>
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doc: unpin sphinx from 4.0.2
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opensourcerouting/fix/add_bgp_neighbor_capability_dynamic
doc: Add `neighbor capability dynamic` command
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