bgpd: fix ecommunity parsing for AS4 (backport #13181) - #13211
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April 4, 2023 15:23
The parser for extended communities was incorrectly disallowing an operator from configuring "Route Origin" extended communities (e.g. RD/RT/SoO) with a 4-byte value matching BGP_AS4_MAX (UINT32_MAX) and allowed the user to overflow UINT32_MAX. This updates the parser to read the value as a uint64_t so that we can do proper checks on the upper bounds (> BGP_AS4_MAX || errno). before: ``` TORC11(config-router-af)# neighbor uplink-1 soo 4294967296:65 TORC11(config-router-af)# do sh run | include soo neighbor uplink-1 soo 0:65 TORC11(config-router-af)# neighbor uplink-1 soo 4294967295:65 % Malformed SoO extended community TORC11(config-router-af)# ``` after: ``` TORC11(config-router-af)# neighbor uplink-1 soo 4294967296:65 % Malformed SoO extended community TORC11(config-router-af)# neighbor uplink-1 soo 4294967295:65 TORC11(config-router-af)# do sh run | include soo neighbor uplink-1 soo 4294967295:65 TORC11(config-router-af)# ``` Signed-off-by: Trey Aspelund <taspelund@nvidia.com> (cherry picked from commit b571d79)
Signed-off-by: Trey Aspelund <taspelund@nvidia.com> (cherry picked from commit f615e6d)
sworleys
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Apr 4, 2023
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Continuous Integration Result: FAILEDContinuous Integration Result: FAILEDSee below for issues. This is a comment from an automated CI system. Get source / Pull Request: SuccessfulBuilding Stage: FailedUbuntu 18.04 arm8 build: Failed (click for details)Ubuntu 18.04 arm8 build: Unknown Log URL: https://ci1.netdef.org/browse/FRR-PULLREQ2-10644/artifact/U18ARM8BUILD/frr.xref.xz/frr.xref.xz Ubuntu 18.04 arm8 build: Unknown Log URL: https://ci1.netdef.org/browse/FRR-PULLREQ2-10644/artifact/U18ARM8BUILD/ErrorLog/ Ubuntu 18.04 arm8 build: Unknown Log URL: https://ci1.netdef.org/browse/FRR-PULLREQ2-10644/artifact/U18ARM8BUILD/config.log/config.log.gz Ubuntu 18.04 arm8 build: config.status output from configure script can be found at https://ci1.netdef.org/browse/FRR-PULLREQ2-10644/artifact/U18ARM8BUILD/config.status/config.status Ubuntu 18.04 arm8 build: No useful log foundSuccessful on other platforms/tests
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Continuous Integration Result: FAILEDContinuous Integration Result: FAILEDSee below for issues. This is a comment from an automated CI system. Get source / Pull Request: SuccessfulBuilding Stage: SuccessfulBasic Tests: FailedTopotests Ubuntu 18.04 arm8 part 9: Failed (click for details)Topotests Ubuntu 18.04 arm8 part 9: Unknown Log URL: https://ci1.netdef.org/browse/FRR-PULLREQ2-10644/artifact/TOPO9U18ARM8/TopotestDetails/ Topotests Ubuntu 18.04 arm8 part 9: No useful log foundSuccessful on other platforms/tests
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Continuous Integration Result: SUCCESSFULCongratulations, this patch passed basic tests Tested-by: NetDEF / OpenSourceRouting.org CI System CI System Testrun URL: https://ci1.netdef.org/browse/FRR-PULLREQ2-10644/ This is a comment from an automated CI system. |
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