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6ba5e87a08
Return NOTIMP for UPDATE and NOTIFY requests received for views with a class other than IN. Only QUERY is now supported for non-IN views such as CHAOS. When running dns dns_rdata_tostruct() with types that are only defined for class IN, ensure that the class is correct before proceeding. Add an assertion that any zone being updated is of class IN. (Note that previously, a DLZ zone could have its class value set incorrectly to NONE; this has been fixed.) This addresses YWH-PGM40640-70 and YWH-PGM40640-73 (as well as any similar problems that might have occurred in the future) by minimizing the code paths that can be reached by rdata classes other than IN, so it is safe for the implementation to assume that rdatatypes that are only defined for class IN, such as SVCB or WKS, have been parsed and validated, and not accepted as unknown/opaque data. Fixes: isc-projects/bind9#5777 Fixes: isc-projects/bind9#5779 |
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