#include #include #include #include #include #include #include #include #include T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); T_DECL(immovable_rights, "Create a port with immovable receive rights") { mach_port_t imm_port; mach_port_options_t opts = { .flags = MPO_CONTEXT_AS_GUARD | MPO_IMMOVABLE_RECEIVE }; kern_return_t kr; kr = mach_port_construct(mach_task_self(), &opts, 0x10, &imm_port); T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_construct"); mach_port_status_t status; mach_msg_type_number_t status_size = MACH_PORT_RECEIVE_STATUS_COUNT; kr = mach_port_get_attributes(mach_task_self(), imm_port, MACH_PORT_RECEIVE_STATUS, (mach_port_info_t)&status, &status_size); T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_get_attributes"); T_LOG("Status flags %d", status.mps_flags); T_ASSERT_NE(0, (status.mps_flags & MACH_PORT_STATUS_FLAG_GUARD_IMMOVABLE_RECEIVE), "Imm rcv bit is set"); mach_port_t imm_port2; mach_port_options_t opts2 = {}; kr = mach_port_construct(mach_task_self(), &opts2, 0, &imm_port2); T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_construct"); kr = mach_port_guard_with_flags(mach_task_self(), imm_port2, 0x11, (uint64_t)MPG_IMMOVABLE_RECEIVE); T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_guard_with_flags"); kr = mach_port_get_attributes(mach_task_self(), imm_port2, MACH_PORT_RECEIVE_STATUS, (mach_port_info_t)&status, &status_size); T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_get_attributes"); T_LOG("Status flags %d", status.mps_flags); T_ASSERT_NE(0, (status.mps_flags & MACH_PORT_STATUS_FLAG_GUARD_IMMOVABLE_RECEIVE), "Imm rcv bit is set"); kr = mach_port_swap_guard(mach_task_self(), imm_port2, 0x11, 0xde18); T_ASSERT_MACH_SUCCESS(kr, "mach_port_swap_guard"); kr = mach_port_unguard(mach_task_self(), imm_port2, 0xde18); T_ASSERT_MACH_SUCCESS(kr, "mach_port_unguard"); }