1*d4514f0bSApple OSS Distributions #include <darwintest.h> 2*d4514f0bSApple OSS Distributions #include <servers/bootstrap.h> 3*d4514f0bSApple OSS Distributions #include <mach/mach.h> 4*d4514f0bSApple OSS Distributions #include <mach/message.h> 5*d4514f0bSApple OSS Distributions #include <stdlib.h> 6*d4514f0bSApple OSS Distributions #include <sys/sysctl.h> 7*d4514f0bSApple OSS Distributions #include <unistd.h> 8*d4514f0bSApple OSS Distributions #include <mach/port.h> 9*d4514f0bSApple OSS Distributions #include <mach/mach_port.h> 10*d4514f0bSApple OSS Distributions 11*d4514f0bSApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 12*d4514f0bSApple OSS Distributions 13*d4514f0bSApple OSS Distributions T_DECL(immovable_rights, "Create a port with immovable receive rights") { 14*d4514f0bSApple OSS Distributions mach_port_t imm_port; 15*d4514f0bSApple OSS Distributions mach_port_options_t opts = { 16*d4514f0bSApple OSS Distributions .flags = MPO_CONTEXT_AS_GUARD | MPO_IMMOVABLE_RECEIVE 17*d4514f0bSApple OSS Distributions }; 18*d4514f0bSApple OSS Distributions kern_return_t kr; 19*d4514f0bSApple OSS Distributions 20*d4514f0bSApple OSS Distributions kr = mach_port_construct(mach_task_self(), &opts, 0x10, &imm_port); 21*d4514f0bSApple OSS Distributions T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_construct"); 22*d4514f0bSApple OSS Distributions 23*d4514f0bSApple OSS Distributions mach_port_status_t status; 24*d4514f0bSApple OSS Distributions mach_msg_type_number_t status_size = MACH_PORT_RECEIVE_STATUS_COUNT; 25*d4514f0bSApple OSS Distributions kr = mach_port_get_attributes(mach_task_self(), imm_port, 26*d4514f0bSApple OSS Distributions MACH_PORT_RECEIVE_STATUS, (mach_port_info_t)&status, &status_size); 27*d4514f0bSApple OSS Distributions T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_get_attributes"); 28*d4514f0bSApple OSS Distributions T_LOG("Status flags %d", status.mps_flags); 29*d4514f0bSApple OSS Distributions T_ASSERT_NE(0, (status.mps_flags & MACH_PORT_STATUS_FLAG_GUARD_IMMOVABLE_RECEIVE), "Imm rcv bit is set"); 30*d4514f0bSApple OSS Distributions 31*d4514f0bSApple OSS Distributions mach_port_t imm_port2; 32*d4514f0bSApple OSS Distributions mach_port_options_t opts2 = {}; 33*d4514f0bSApple OSS Distributions 34*d4514f0bSApple OSS Distributions kr = mach_port_construct(mach_task_self(), &opts2, 0, &imm_port2); 35*d4514f0bSApple OSS Distributions T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_construct"); 36*d4514f0bSApple OSS Distributions 37*d4514f0bSApple OSS Distributions kr = mach_port_guard_with_flags(mach_task_self(), imm_port2, 0x11, (uint64_t)MPG_IMMOVABLE_RECEIVE); 38*d4514f0bSApple OSS Distributions T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_guard_with_flags"); 39*d4514f0bSApple OSS Distributions 40*d4514f0bSApple OSS Distributions kr = mach_port_get_attributes(mach_task_self(), imm_port2, 41*d4514f0bSApple OSS Distributions MACH_PORT_RECEIVE_STATUS, (mach_port_info_t)&status, &status_size); 42*d4514f0bSApple OSS Distributions T_QUIET; T_ASSERT_MACH_SUCCESS(kr, "mach_port_get_attributes"); 43*d4514f0bSApple OSS Distributions T_LOG("Status flags %d", status.mps_flags); 44*d4514f0bSApple OSS Distributions T_ASSERT_NE(0, (status.mps_flags & MACH_PORT_STATUS_FLAG_GUARD_IMMOVABLE_RECEIVE), "Imm rcv bit is set"); 45*d4514f0bSApple OSS Distributions 46*d4514f0bSApple OSS Distributions kr = mach_port_swap_guard(mach_task_self(), imm_port2, 0x11, 0xde18); 47*d4514f0bSApple OSS Distributions T_ASSERT_MACH_SUCCESS(kr, "mach_port_swap_guard"); 48*d4514f0bSApple OSS Distributions 49*d4514f0bSApple OSS Distributions kr = mach_port_unguard(mach_task_self(), imm_port2, 0xde18); 50*d4514f0bSApple OSS Distributions T_ASSERT_MACH_SUCCESS(kr, "mach_port_unguard"); 51*d4514f0bSApple OSS Distributions } 52