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Thread: [selinux] Policy

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  1. #1
    Join Date
    Nov 2012
    Beans
    1

    [selinux] Policy

    Hi,

    I created my own basic policy:

    Code:
    module mypolicy 1.0.0;
    
    require {
        type user_t;
        role user_r;
        class file { getattr execute read open ioctl entrypoint };
        class process { transition sigkill sigstop signull signal getattr };
    }
    
    type mytype_t;
    type mytype_exec_t;
    
    allow mytype_t mytype_exec_t:file { entrypoint };
    
    allow user_t mytype_t:process { transition sigkill sigstop signull signal getattr };
    allow user_t mytype_t:file { getattr execute read open ioctl };
    
    type_transition user_t mytype_exec_t:process mytype_t;
    
    role user_r types mytype_t;

    When I install it with semodule -i I get an error:

    Code:
    libsepol.check_assertion_helper: neverallow violated by allow user_t mytype_t:process { transition sigkill sigstop signull signal getattr };
    libsemanage.semanage_expand_sandbox: Expand module failed
    semodule:  Failed!
    What am I doing wrong ? Which rule is preventing me from installing the above policy ?

  2. #2
    Join Date
    Aug 2009
    Beans
    Hidden!

    Re: [selinux] Policy

    Quote Originally Posted by MarcAndreson View Post
    What am I doing wrong ?
    You're doing something you just should not do. BTW Ubuntu didn't choose SELinux as distro default but AppArmor, consequently the amount and quality of help offered elsewhere may be less limited.

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