Hello.
Thank you for trying TOMOYO.
On 2018/08/19 1:22, Jose Jurado wrote:
> Tomoyo 2.5.0 was installed in Calculate Linux, a Gentoo distro using OpenRC
> as init.
> On reboot, as root, the policy editor can be run by executing:
> # /usr/sbin/tomoyo-editpolicy /etc/tomoyo/
> However, next, I get the following response with the policy editor in this
> fashion:
> # /usr/sbin/tomoyo-editpolicy
> Please mount securityfs on /sys/kernel/security/ .
This message is printed when tomoyo-editpolicy failed to mount securityfs on
/sys/kernel/security/ .
Most likely cause is that sysfs is not yet mounted on /sys/ because sysfs
should provide
kernel/security/ directory.
> You can't use this editor for this kernel.
This message is printed when tomoyo-editpolicy failed to find
/sys/kernel/security/tomoyo/ directory.
Most likely cause is that securityfs is not yet mounted on
/sys/kernel/security/ .
> Several types of attempts were made to mount securityfs, but then it was
> apparent that /sys/kernel/security does not exist:
> # mount -t securityfs securityfs /sys/kernel/security
> mount: /sys/kernel/security: mount point does not exist
This message suggests that sysfs is not yet mounted on /sys/ . I have never
tried Calculate Linux.
But unless tomoyo-editpolicy is executed from a different namespace where /sys/
directory does not
exist, /sbin/tomoyo-init should have already mounted sysfs on /sys/ . There are
two possibilities:
(1) /sys/ directory does not exist in a namespace where tomoyo-editpolicy is
attempted.
Please check what "ls -l /sys/kernel/" says. The output should include
security/
directory if sysfs was already mounted on /sys/ .
(2) /sbin/tomoyo-init was not yet executed on reboot. Most likely cause is that
CONFIG_SECURITY_TOMOYO_ACTIVATION_TRIGGER is not correct for your
environment.
Please check what "dmesg | grep -i tomoyo" says. If /sbin/tomoyo-init was
executed
correctly, the output should include lines like
[ 0.012652] TOMOYO Linux initialized
[ 2.661662] Calling /sbin/tomoyo-init to load policy. Please wait.
[ 2.726489] TOMOYO: 2.5.0
If you can't find such lines, you can try TOMOYO_trigger= parameter for
specifying
different triggers. According to a Wiki page, OpenRC uses
init=/usr/bin/openrc-init or
init=/usr/bin/init-openrc instead of init=/sbin/init or
init=/usr/libs/systemd/systemd .
Regards.
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