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41 results

debuggerd.te

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    Stephen Smalley authored
    Define a new class, permissions, and rules for the debuggerd
    SELinux MAC checks.
    
    Used by Ib317564e54e07cc21f259e75124b762ad17c6e16 for debuggerd.
    
    Change-Id: I8e120d319512ff207ed22ed87cde4e0432a13dda
    Signed-off-by: default avatarStephen Smalley <sds@tycho.nsa.gov>
    ba992496
    History
    debuggerd.te 1.29 KiB
    # debugger interface
    type debuggerd, domain;
    type debuggerd_exec, exec_type, file_type;
    
    init_daemon_domain(debuggerd)
    typeattribute debuggerd mlstrustedsubject;
    allow debuggerd self:capability { dac_override sys_ptrace chown kill fowner };
    allow debuggerd self:capability2 { syslog };
    allow debuggerd domain:dir r_dir_perms;
    allow debuggerd domain:file r_file_perms;
    allow debuggerd domain:lnk_file read;
    allow debuggerd { domain -init -ueventd -watchdogd -healthd -adbd -keystore }:process { ptrace getattr };
    security_access_policy(debuggerd)
    allow debuggerd system_data_file:dir create_dir_perms;
    allow debuggerd system_data_file:dir relabelfrom;
    allow debuggerd tombstone_data_file:dir relabelto;
    allow debuggerd tombstone_data_file:dir create_dir_perms;
    allow debuggerd tombstone_data_file:file create_file_perms;
    allow debuggerd domain:process { sigstop signal };
    allow debuggerd exec_type:file r_file_perms;
    # Access app library
    allow debuggerd system_data_file:file open;
    
    # Connect to system_server via /data/system/ndebugsocket.
    unix_socket_connect(debuggerd, system_ndebug, system_server)
    
    userdebug_or_eng(`
      allow debuggerd input_device:dir r_dir_perms;
      allow debuggerd input_device:chr_file rw_file_perms;
    ')
    
    # logd access
    read_logd(debuggerd)
    
    # Check SELinux permissions.
    selinux_check_access(debuggerd)