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#include <stdio.h> #include <mach/mach.h> #include <mach/message.h> #include <darwintest.h> T_GLOBAL_META( T_META_NAMESPACE("xnu.ipc"), T_META_RUN_CONCURRENTLY(TRUE), T_META_RADAR_COMPONENT_NAME("xnu"), T_META_RADAR_COMPONENT_VERSION("IPC"), T_META_TAG_VM_PREFERRED); static inline mach_port_type_t get_port_type(mach_port_t mp) { mach_port_type_t type; T_QUIET; T_ASSERT_MACH_SUCCESS(mach_port_type(mach_task_self(), mp, &type), "mach_port_type(mP)"); return type; } T_DECL(mach_port_insert_right, "insert send right for an existing right", T_META_CHECK_LEAKS(false)) { mach_port_t port = MACH_PORT_NULL; mach_port_t port2 = MACH_PORT_NULL; kern_return_t retval; mach_port_t task = mach_task_self(); retval = mach_port_allocate(task, MACH_PORT_RIGHT_RECEIVE, &port); T_ASSERT_MACH_SUCCESS(retval, "allocate a port=[%d]", port); T_ASSERT_EQ(get_port_type(port), MACH_PORT_TYPE_RECEIVE, "0x%x should be a receive right", port); retval = mach_port_insert_right(task, port, port, MACH_MSG_TYPE_MAKE_SEND); T_ASSERT_MACH_SUCCESS(retval, "insert a send right for port=[%d] with name=[%d]", port, port); T_ASSERT_EQ(get_port_type(port), MACH_PORT_TYPE_RECEIVE | MACH_PORT_TYPE_SEND, "0x%x should be a send-receive right", port); mach_port_name_t name = 123; /* 0x7B, lower two bits are 0b11 which is valid gen number, but index is invalid (0) */ retval = mach_port_insert_right(task, name, port, MACH_MSG_TYPE_MAKE_SEND); T_ASSERT_MACH_ERROR(retval, KERN_FAILURE, "insert a send right for port=[%d] with name=[%d]", port, name); name = 122; /* invalid gen number, should return KERN_INVALID_VALUE */ retval = mach_port_insert_right(task, name, port, MACH_MSG_TYPE_MAKE_SEND); T_ASSERT_MACH_ERROR(retval, KERN_INVALID_VALUE, "insert a send right for port=[%d] with name=[%d]", port, name); retval = mach_port_allocate(task, MACH_PORT_RIGHT_RECEIVE, &port2); T_ASSERT_MACH_SUCCESS(retval, "allocate a port=[%d]", port2); T_ASSERT_EQ(get_port_type(port2), MACH_PORT_TYPE_RECEIVE, "0x%x should be a receive right", port2); name = port; retval = mach_port_insert_right(task, name, port2, MACH_MSG_TYPE_MAKE_SEND); T_ASSERT_MACH_ERROR(retval, KERN_RIGHT_EXISTS, "insert a send right for port=[%d] with name=[%d]", port2, name); } |