selinux-policy/refpolicy/policy/modules/system/clock.if

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# Copyright (C) 2005 Tresys Technology, LLC
########################################
## <interface name="clock_transition">
## <description>
## Execute hwclock in the clock domain.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <infoflow type="write" weight="10"/>
## </interface>
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#
define(`clock_transition',`
requires_block_template(`$0'_depend)
allow $1 hwclock_exec_t:file { getattr read execute };
allow $1 hwclock_t:process transition;
type_transition $1 hwclock_exec_t:process hwclock_t;
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dontaudit $1 hwclock_t:process { noatsecure siginh rlimitinh };
allow $1 hwclock_t:fd use;
allow hwclock_t $1:fd use;
allow hwclock_t $1:fifo_file rw_file_perms;
allow hwclock_t $1:process sigchld;
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')
define(`clock_transition_depend',`
type hwclock_t, hwclock_exec_t;
class file { getattr read execute };
class process { transition noatsecure siginh rlimitinh sigchld };
class fd use;
class fifo_file rw_file_perms;
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')
########################################
## <interface name="clock_transition_add_role_use_terminal">
## <description>
## Execute hwclock in the clock domain, and
## allow the specified role the hwclock domain.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## <parameter name="role">
## The role to be allowed the clock domain.
## </parameter>
## <parameter name="terminal">
## The type of the terminal allow the clock domain to use.
## </parameter>
## <infoflow type="write" weight="10"/>
## </interface>
#
define(`clock_transition_add_role_use_terminal',`
requires_block_template(`$0'_depend)
clock_transition($1)
role $2 types hwclock_t;
allow hwclock_t $3:chr_file { getattr read write ioctl };
')
define(`clock_transition_add_role_use_terminal_depend',`
type hwclock_t;
class chr_file { getattr read write ioctl };
')
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#######################################
#
# clock_execute(domain)
#
define(`clock_execute',`
requires_block_template(`$0'_depend)
allow $1 hwclock_exec_t:file { getattr read execute execute_no_trans };
')
define(`clock_execute_depend',`
type hwclock_exec_t;
class file { getattr read execute execute_no_trans };
')
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#######################################
#
# clock_modify_drift_records(domain)
#
define(`clock_modify_drift_records',`
requires_block_template(`$0'_depend)
allow $1 adjtime_t:file { getattr read write ioctl lock append };
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files_read_general_system_config_directory($1)
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')
define(`clock_modify_drift_records_depend',`
type adjtime_t;
class file { getattr read write ioctl lock append };
')