prison_check_nfsd: Add check for enforce_statfs != 0
Since mountd(8) will not be able to do exports when running in a vnet prison if enforce_statfs is set to 0, add a check for this to prison_check_nfsd(). Reviewed by: jamie, markj MFC after: 2 months Differential Revision: https://reviews.freebsd.org/D38189
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@ -3491,6 +3491,8 @@ prison_check(struct ucred *cred1, struct ucred *cred2)
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* - The root directory (pr_root) of the prison must be
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* a file system mount point, so the mountd can hang
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* export information on it.
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* - The prison's enforce_statfs cannot be 0, so that
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* mountd(8) can do exports.
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*/
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bool
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prison_check_nfsd(struct ucred *cred)
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@ -3502,6 +3504,8 @@ prison_check_nfsd(struct ucred *cred)
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return (false);
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if ((cred->cr_prison->pr_root->v_vflag & VV_ROOT) == 0)
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return (false);
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if (cred->cr_prison->pr_enforce_statfs == 0)
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return (false);
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return (true);
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}
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