Messages in this thread | | | Date | Wed, 15 Dec 2021 21:38:45 -0500 | Subject | Re: [PATCH v6 03/17] ima: Namespace audit status flags | From | Stefan Berger <> |
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On 12/15/21 16:15, Mimi Zohar wrote: > On Fri, 2021-12-10 at 14:47 -0500, Stefan Berger wrote: >> From: Mehmet Kayaalp <mkayaalp@linux.vnet.ibm.com> >> >> The iint cache stores whether the file is measured, appraised, audited >> etc. This patch moves the IMA_AUDITED flag into the per-namespace >> ns_status, enabling IMA audit mechanism to audit the same file each time >> it is accessed in a new namespace. >> >> The ns_status is not looked up if the CONFIG_IMA_NS is disabled or if >> any of the IMA_NS_STATUS_ACTIONS (currently only IMA_AUDIT) is not >> enabled. > ^none of the ... are enabled.
You want me to rephrase it?
> > thanks, > > Mimi > >> Read and write operations on the iint flags is replaced with function >> calls. For reading, iint_flags() returns the bitwise AND of iint->flags >> and ns_status->flags. The ns_status flags are masked with >> IMA_NS_STATUS_FLAGS (currently only IMA_AUDITED). Similarly >> set_iint_flags() only writes the masked portion to the ns_status flags, >> while the iint flags is set as before. The ns_status parameter added to >> ima_audit_measurement() is used with the above functions to query and >> set the ns_status flags. >>
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