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

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## <summary>Policy for kernel module utilities</summary>
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########################################
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## <summary>
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## Read the dependencies of kernel modules.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
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#
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interface(`modutils_read_module_deps',`
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gen_require(`
type modules_dep_t;
')
bootloader_list_kernel_modules($1)
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allow $1 modules_dep_t:file r_file_perms;
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')
########################################
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## <summary>
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## Read the configuration options used when
## loading modules.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
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#
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interface(`modutils_read_module_config',`
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gen_require(`
type modules_conf_t;
')
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# This file type can be in /etc or
# /lib(64)?/modules
files_search_etc($1)
bootloader_search_boot($1)
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allow $1 modules_conf_t:{ file lnk_file } r_file_perms;
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')
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########################################
## <summary>
## Rename a file with the configuration options used when
## loading modules.
## </summary>
## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
#
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interface(`modutils_rename_module_config',`
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gen_require(`
type modules_conf_t;
')
allow $1 modules_conf_t:file rename;
')
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########################################
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## <summary>
## Unconditionally execute insmod in the insmod domain.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
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#
# cjp: this is added for pppd, due to nested
# conditionals not working.
interface(`modutils_domtrans_insmod_uncond',`
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gen_require(`
type insmod_t, insmod_exec_t;
')
corecmd_search_sbin($1)
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domain_auto_trans($1, insmod_exec_t, insmod_t)
allow $1 insmod_t:fd use;
allow insmod_t $1:fd use;
allow insmod_t $1:fifo_file rw_file_perms;
allow insmod_t $1:process sigchld;
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')
########################################
## <summary>
## Execute insmod in the insmod domain.
## </summary>
## <param name="domain">
## <summary>
## The type of the process performing this action.
## </summary>
## </param>
#
interface(`modutils_domtrans_insmod',`
gen_require(`
bool secure_mode_insmod;
')
if (!secure_mode_insmod) {
modutils_domtrans_insmod_uncond($1)
}
')
########################################
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## <summary>
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## Execute insmod in the insmod domain, and
## allow the specified role the insmod domain,
## and use the caller's terminal. Has a sigchld
## backchannel.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
## <param name="role">
## <summary>
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## The role to be allowed the insmod domain.
## </summary>
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## </param>
## <param name="terminal">
## <summary>
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## The type of the terminal allow the insmod domain to use.
## </summary>
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## </param>
#
interface(`modutils_run_insmod',`
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gen_require(`
type insmod_t;
')
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modutils_domtrans_insmod($1)
role $2 types insmod_t;
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allow insmod_t $3:chr_file rw_term_perms;
')
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########################################
#
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# modutils_exec_insmod(domain)
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#
interface(`modutils_exec_insmod',`
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gen_require(`
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type insmod_exec_t;
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')
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corecmd_search_sbin($1)
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can_exec($1, insmod_exec_t)
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')
########################################
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## <summary>
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## Execute depmod in the depmod domain.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
#
interface(`modutils_domtrans_depmod',`
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gen_require(`
type depmod_t, depmod_exec_t;
')
corecmd_search_sbin($1)
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domain_auto_trans($1, depmod_exec_t, depmod_t)
allow $1 depmod_t:fd use;
allow depmod_t $1:fd use;
allow depmod_t $1:fifo_file rw_file_perms;
allow depmod_t $1:process sigchld;
')
########################################
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## <summary>
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## Execute depmod in the depmod domain.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
## <param name="role">
## <summary>
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## The role to be allowed the depmod domain.
## </summary>
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## </param>
## <param name="terminal">
## <summary>
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## The type of the terminal allow the depmod domain to use.
## </summary>
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## </param>
#
interface(`modutils_run_depmod',`
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gen_require(`
type depmod_t;
')
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modutils_domtrans_depmod($1)
role $2 types insmod_t;
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allow insmod_t $3:chr_file rw_term_perms;
')
########################################
#
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# modutils_exec_depmod(domain)
#
interface(`modutils_exec_depmod',`
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gen_require(`
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type depmod_exec_t;
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')
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corecmd_search_sbin($1)
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can_exec($1, depmod_exec_t)
')
########################################
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## <summary>
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## Execute depmod in the depmod domain.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
#
interface(`modutils_domtrans_update_mods',`
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gen_require(`
type update_modules_t, update_modules_exec_t;
')
corecmd_search_sbin($1)
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domain_auto_trans($1, update_modules_exec_t, update_modules_t)
allow $1 update_modules_t:fd use;
allow update_modules_t $1:fd use;
allow update_modules_t $1:fifo_file rw_file_perms;
allow update_modules_t $1:process sigchld;
')
########################################
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## <summary>
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## Execute update_modules in the update_modules domain.
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## </summary>
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## <param name="domain">
## <summary>
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## The type of the process performing this action.
## </summary>
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## </param>
## <param name="role">
## <summary>
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## The role to be allowed the update_modules domain.
## </summary>
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## </param>
## <param name="terminal">
## <summary>
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## The type of the terminal allow the update_modules domain to use.
## </summary>
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## </param>
#
interface(`modutils_run_update_mods',`
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gen_require(`
type update_modules_t;
')
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modutils_domtrans_update_mods($1)
role $2 types update_modules_t;
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allow update_modules_t $3:chr_file rw_term_perms;
')
########################################
#
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# modutils_exec_update_mods(domain)
#
interface(`modutils_exec_update_mods',`
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gen_require(`
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type update_modules_exec_t;
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')
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corecmd_search_sbin($1)
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can_exec($1, update_modules_exec_t)
')