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176 lines
9.1 KiB
176 lines
9.1 KiB
4 months ago
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# The entries in this file define how security contexts for apps are determined.
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# Each entry lists input selectors, used to match the app, and outputs which are
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# used to determine the security contexts for matching apps.
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#
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# Input selectors:
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# isSystemServer (boolean)
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# isEphemeralApp (boolean)
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# isOwner (boolean)
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# user (string)
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# seinfo (string)
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# name (string)
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# path (string)
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# isPrivApp (boolean)
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# minTargetSdkVersion (unsigned integer)
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# fromRunAs (boolean)
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#
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# All specified input selectors in an entry must match (i.e. logical AND).
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# An unspecified string or boolean selector with no default will match any
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# value.
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# A user, name, or path string selector that ends in * will perform a prefix
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# match.
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# String matching is case-insensitive.
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# See external/selinux/libselinux/src/android/android_platform.c,
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# seapp_context_lookup().
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#
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# isSystemServer=true only matches the system server.
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# An unspecified isSystemServer defaults to false.
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# isEphemeralApp=true will match apps marked by PackageManager as Ephemeral
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# isOwner=true will only match for the owner/primary user.
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# user=_app will match any regular app process.
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# user=_isolated will match any isolated service process.
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# Other values of user are matched against the name associated with the process
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# UID.
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# seinfo= matches aginst the seinfo tag for the app, determined from
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# mac_permissions.xml files.
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# The ':' character is reserved and may not be used in seinfo.
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# name= matches against the package name of the app.
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# path= matches against the directory path when labeling app directories.
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# isPrivApp=true will only match for applications preinstalled in
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# /system/priv-app.
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# minTargetSdkVersion will match applications with a targetSdkVersion
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# greater than or equal to the specified value. If unspecified,
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# it has a default value of 0.
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# fromRunAs=true means the process being labeled is started by run-as. Default
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# is false.
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#
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# Precedence: entries are compared using the following rules, in the order shown
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# (see external/selinux/libselinux/src/android/android_platform.c,
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# seapp_context_cmp()).
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# (1) isSystemServer=true before isSystemServer=false.
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# (2) Specified isEphemeralApp= before unspecified isEphemeralApp=
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# boolean.
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# (3) Specified isOwner= before unspecified isOwner= boolean.
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# (4) Specified user= string before unspecified user= string;
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# more specific user= string before less specific user= string.
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# (5) Specified seinfo= string before unspecified seinfo= string.
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# (6) Specified name= string before unspecified name= string;
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# more specific name= string before less specific name= string.
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# (7) Specified path= string before unspecified path= string.
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# more specific name= string before less specific name= string.
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# (8) Specified isPrivApp= before unspecified isPrivApp= boolean.
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# (9) Higher value of minTargetSdkVersion= before lower value of
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# minTargetSdkVersion= integer. Note that minTargetSdkVersion=
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# defaults to 0 if unspecified.
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# (10) fromRunAs=true before fromRunAs=false.
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# (A fixed selector is more specific than a prefix, i.e. ending in *, and a
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# longer prefix is more specific than a shorter prefix.)
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# Apps are checked against entries in precedence order until the first match,
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# regardless of their order in this file.
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#
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# Duplicate entries, i.e. with identical input selectors, are not allowed.
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#
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# Outputs:
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# domain (string)
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# type (string)
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# levelFrom (string; one of none, all, app, or user)
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# level (string)
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#
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# domain= determines the label to be used for the app process; entries
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# without domain= are ignored for this purpose.
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# type= specifies the label to be used for the app data directory; entries
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# without type= are ignored for this purpose.
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# levelFrom and level are used to determine the level (sensitivity + categories)
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# for MLS/MCS.
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# levelFrom=none omits the level.
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# levelFrom=app determines the level from the process UID.
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# levelFrom=user determines the level from the user ID.
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# levelFrom=all determines the level from both UID and user ID.
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#
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# levelFrom=user is only supported for _app or _isolated UIDs.
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# levelFrom=app or levelFrom=all is only supported for _app UIDs.
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# level may be used to specify a fixed level for any UID.
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#
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# For backwards compatibility levelFromUid=true is equivalent to levelFrom=app
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# and levelFromUid=false is equivalent to levelFrom=none.
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#
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#
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# Neverallow Assertions
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# Additional compile time assertion checks for the rules in this file can be
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# added as well. The assertion
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# rules are lines beginning with the keyword neverallow. Full support for PCRE
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# regular expressions exists on all input and output selectors. Neverallow
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# rules are never output to the built seapp_contexts file. Like all keywords,
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# neverallows are case-insensitive. A neverallow is asserted when all key value
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# inputs are matched on a key value rule line.
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#
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# only the system server can be in system_server domain
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neverallow isSystemServer=false domain=system_server
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neverallow isSystemServer="" domain=system_server
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# system domains should never be assigned outside of system uid
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neverallow user=((?!system).)* domain=system_app
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neverallow user=((?!system).)* type=system_app_data_file
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# any non priv-app with a non-known uid with a specified name should have a specified
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# seinfo
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neverallow user=_app isPrivApp=false name=.* seinfo=""
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neverallow user=_app isPrivApp=false name=.* seinfo=default
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# neverallow shared relro to any other domain
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# and neverallow any other uid into shared_relro
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neverallow user=shared_relro domain=((?!shared_relro).)*
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neverallow user=((?!shared_relro).)* domain=shared_relro
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# neverallow non-isolated uids into isolated_app domain
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# and vice versa
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neverallow user=_isolated domain=((?!isolated_app).)*
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neverallow user=((?!_isolated).)* domain=isolated_app
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# uid shell should always be in shell domain, however non-shell
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# uid's can be in shell domain
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neverallow user=shell domain=((?!shell).)*
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# only the package named com.android.shell can run in the shell domain
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neverallow domain=shell name=((?!com\.android\.shell).)*
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neverallow user=shell name=((?!com\.android\.shell).)*
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# Ephemeral Apps must run in the ephemeral_app domain
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neverallow isEphemeralApp=true domain=((?!ephemeral_app).)*
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isSystemServer=true domain=system_server_startup
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user=_app seinfo=platform name=com.android.traceur domain=traceur_app type=app_data_file levelFrom=all
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user=system seinfo=platform domain=system_app type=system_app_data_file
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user=bluetooth seinfo=platform domain=bluetooth type=bluetooth_data_file
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user=network_stack seinfo=network_stack domain=network_stack levelFrom=all type=radio_data_file
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user=nfc seinfo=platform domain=nfc type=nfc_data_file
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user=secure_element seinfo=platform domain=secure_element levelFrom=all
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user=radio seinfo=platform domain=radio type=radio_data_file
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user=shared_relro domain=shared_relro
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user=shell seinfo=platform domain=shell name=com.android.shell type=shell_data_file
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user=webview_zygote seinfo=webview_zygote domain=webview_zygote
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user=_isolated domain=isolated_app levelFrom=user
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user=_app seinfo=app_zygote domain=app_zygote levelFrom=user
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user=_app seinfo=media domain=mediaprovider name=android.process.media type=app_data_file levelFrom=user
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user=_app seinfo=platform domain=platform_app type=app_data_file levelFrom=user
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user=_app isEphemeralApp=true domain=ephemeral_app type=app_data_file levelFrom=all
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user=_app isPrivApp=true domain=priv_app type=privapp_data_file levelFrom=user
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user=_app isPrivApp=true name=com.google.android.permissioncontroller domain=permissioncontroller_app type=privapp_data_file levelFrom=all
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user=_app isPrivApp=true name=com.android.providers.media.module domain=mediaprovider_app type=privapp_data_file levelFrom=all
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user=_app isPrivApp=true name=com.google.android.providers.media.module domain=mediaprovider_app type=privapp_data_file levelFrom=all
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user=_app seinfo=platform isPrivApp=true name=com.android.permissioncontroller domain=permissioncontroller_app type=privapp_data_file levelFrom=all
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user=_app isPrivApp=true name=com.android.vzwomatrigger domain=vzwomatrigger_app type=privapp_data_file levelFrom=all
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user=_app isPrivApp=true name=com.google.android.gms domain=gmscore_app type=privapp_data_file levelFrom=user
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user=_app isPrivApp=true name=com.google.android.gms.* domain=gmscore_app type=privapp_data_file levelFrom=user
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user=_app isPrivApp=true name=com.google.android.gms:* domain=gmscore_app type=privapp_data_file levelFrom=user
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user=_app isPrivApp=true name=com.google.android.gsf domain=gmscore_app type=privapp_data_file levelFrom=user
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user=_app minTargetSdkVersion=30 domain=untrusted_app type=app_data_file levelFrom=all
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user=_app minTargetSdkVersion=29 domain=untrusted_app_29 type=app_data_file levelFrom=all
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user=_app minTargetSdkVersion=28 domain=untrusted_app_27 type=app_data_file levelFrom=all
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user=_app minTargetSdkVersion=26 domain=untrusted_app_27 type=app_data_file levelFrom=user
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user=_app domain=untrusted_app_25 type=app_data_file levelFrom=user
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user=_app minTargetSdkVersion=28 fromRunAs=true domain=runas_app levelFrom=all
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user=_app fromRunAs=true domain=runas_app levelFrom=user
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