diff --git a/private/app_neverallows.te b/private/app_neverallows.te index b8889f74e951a59bd708429df7a0324e04a5a380..ab080c29029f9de861dfe2969c47fc0f7f233188 100644 --- a/private/app_neverallows.te +++ b/private/app_neverallows.te @@ -48,6 +48,7 @@ neverallow { all_untrusted_apps -untrusted_app_25 -untrusted_app_27 + -runas_app } { app_data_file privapp_data_file }:file execute_no_trans; # Do not allow untrusted apps to be assigned mlstrustedsubject. diff --git a/private/runas_app.te b/private/runas_app.te new file mode 100644 index 0000000000000000000000000000000000000000..b976b91879ed85a34e98e032c07ce622e1f76537 --- /dev/null +++ b/private/runas_app.te @@ -0,0 +1,11 @@ +type runas_app, domain; +typeattribute runas_app coredomain; + +app_domain(runas_app) +untrusted_app_domain(runas_app) +net_domain(runas_app) +bluetooth_domain(runas_app) + +# The ability to call exec() on files in the apps home directories +# when using run-as on a debuggable app. Needed by simpleperf. +allow runas_app app_data_file:file execute_no_trans; diff --git a/private/seapp_contexts b/private/seapp_contexts index 821ef0c2b5f231a0389bd0b3f509553b77937205..55391ea36ba96d2e9a695e76825aabf8cfbab374 100644 --- a/private/seapp_contexts +++ b/private/seapp_contexts @@ -9,6 +9,7 @@ # path (string) # isPrivApp (boolean) # minTargetSdkVersion (unsigned integer) +# fromRunAs (boolean) # isSystemServer=true can only be used once. # An unspecified isSystemServer defaults to false. # isEphemeralApp=true will match apps marked by PackageManager as Ephemeral @@ -25,6 +26,7 @@ # minTargetSdkVersion will match applications with a targetSdkVersion # greater than or equal to the specified value. If unspecified, # it has a default value of 0. +# fromRunAs=true means the setcontext request is from run-as. Default is false. # All specified input selectors in an entry must match (i.e. logical AND). # Matching is case-insensitive. # @@ -43,6 +45,7 @@ # (11) Specified isPrivApp= before unspecified isPrivApp= boolean. # (12) Higher value of minTargetSdkVersion= before lower value of minTargetSdkVersion= # integer. Note that minTargetSdkVersion= defaults to 0 if unspecified. +# (13) fromRunAs=true before fromRunAs=false. # # Outputs: # domain (string) @@ -118,3 +121,4 @@ user=_app minTargetSdkVersion=29 domain=untrusted_app type=app_data_file levelFr user=_app minTargetSdkVersion=28 domain=untrusted_app_27 type=app_data_file levelFrom=all user=_app minTargetSdkVersion=26 domain=untrusted_app_27 type=app_data_file levelFrom=user user=_app domain=untrusted_app_25 type=app_data_file levelFrom=user +user=_app fromRunAs=true domain=runas_app levelFrom=all diff --git a/tools/check_seapp.c b/tools/check_seapp.c index c23c1f6c6a58ad3a82fe296a7d25b7320a73102d..1022cbd485ce2353d024d8de9731d1afa372091d 100644 --- a/tools/check_seapp.c +++ b/tools/check_seapp.c @@ -212,6 +212,7 @@ key_map rules[] = { { .name = "path", .dir = dir_in, }, { .name = "isPrivApp", .dir = dir_in, .fn_validate = validate_bool }, { .name = "minTargetSdkVersion", .dir = dir_in, .fn_validate = validate_uint }, + { .name = "fromRunAs", .dir = dir_in, .fn_validate = validate_bool }, /*Outputs*/ { .name = "domain", .dir = dir_out, .fn_validate = validate_selinux_type }, { .name = "type", .dir = dir_out, .fn_validate = validate_selinux_type },