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SubjectRe: [RFC] cgroups: implement device whitelist lsm (v2)
On Wed, 12 Mar 2008, Serge E. Hallyn wrote:

> +#ifdef CONFIG_SECURITY
> +static struct security_operations devcgroup_security_ops = {
> + .inode_mknod = devcgroup_inode_mknod,
> + .inode_permission = devcgroup_inode_permission,
> +
> + .ptrace = cap_ptrace,
> + .capget = cap_capget,
> + .capset_check = cap_capset_check,
> + .capset_set = cap_capset_set,
> + .capable = cap_capable,
> + .settime = cap_settime,
> + .netlink_send = cap_netlink_send,
> + .netlink_recv = cap_netlink_recv,
> +
> + .bprm_apply_creds = cap_bprm_apply_creds,
> + .bprm_set_security = cap_bprm_set_security,
> + .bprm_secureexec = cap_bprm_secureexec,
> +
> + .inode_setxattr = cap_inode_setxattr,
> + .inode_removexattr = cap_inode_removexattr,
> + .inode_need_killpriv = cap_inode_need_killpriv,
> + .inode_killpriv = cap_inode_killpriv,
> +
> + .task_kill = cap_task_kill,
> + .task_setscheduler = cap_task_setscheduler,
> + .task_setioprio = cap_task_setioprio,
> + .task_setnice = cap_task_setnice,
> + .task_post_setuid = cap_task_post_setuid,
> + .task_prctl = cap_task_prctl,
> + .task_reparent_to_init = cap_task_reparent_to_init,
> +
> + .syslog = cap_syslog,
> +
> + .vm_enough_memory = cap_vm_enough_memory,
> +};

For lower overall complexity, why not just extend the capability LSM to
include the devcgroup_ perms if CONFIG_CGROUP_DEV ?



- James
--
James Morris
<jmorris@namei.org>


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