X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0a7de7458d150b5d4dffc935ba399be265ef0a1a..f427ee49d309d8fc33ebf3042c3a775f2f530ded:/osfmk/kern/ipc_kobject.h diff --git a/osfmk/kern/ipc_kobject.h b/osfmk/kern/ipc_kobject.h index 95f150776..02614a531 100644 --- a/osfmk/kern/ipc_kobject.h +++ b/osfmk/kern/ipc_kobject.h @@ -89,17 +89,17 @@ typedef natural_t ipc_kobject_type_t; -#define IKOT_NONE 0 -#define IKOT_THREAD 1 -#define IKOT_TASK 2 -#define IKOT_HOST 3 +#define IKOT_NONE 0 +#define IKOT_THREAD_CONTROL 1 +#define IKOT_TASK_CONTROL 2 +#define IKOT_HOST 3 #define IKOT_HOST_PRIV 4 #define IKOT_PROCESSOR 5 -#define IKOT_PSET 6 +#define IKOT_PSET 6 #define IKOT_PSET_NAME 7 -#define IKOT_TIMER 8 +#define IKOT_TIMER 8 #define IKOT_PAGING_REQUEST 9 -#define IKOT_MIG 10 +#define IKOT_MIG 10 #define IKOT_MEMORY_OBJECT 11 #define IKOT_XMM_PAGER 12 #define IKOT_XMM_KERNEL 13 @@ -107,20 +107,20 @@ typedef natural_t ipc_kobject_type_t; #define IKOT_UND_REPLY 15 #define IKOT_HOST_NOTIFY 16 #define IKOT_HOST_SECURITY 17 -#define IKOT_LEDGER 18 +#define IKOT_LEDGER 18 #define IKOT_MASTER_DEVICE 19 #define IKOT_TASK_NAME 20 #define IKOT_SUBSYSTEM 21 #define IKOT_IO_DONE_QUEUE 22 #define IKOT_SEMAPHORE 23 #define IKOT_LOCK_SET 24 -#define IKOT_CLOCK 25 +#define IKOT_CLOCK 25 #define IKOT_CLOCK_CTRL 26 #define IKOT_IOKIT_IDENT 27 #define IKOT_NAMED_ENTRY 28 #define IKOT_IOKIT_CONNECT 29 #define IKOT_IOKIT_OBJECT 30 -#define IKOT_UPL 31 +#define IKOT_UPL 31 #define IKOT_MEM_OBJ_CONTROL 32 #define IKOT_AU_SESSIONPORT 33 #define IKOT_FILEPORT 34 @@ -130,46 +130,125 @@ typedef natural_t ipc_kobject_type_t; #define IKOT_VOUCHER_ATTR_CONTROL 38 #define IKOT_WORK_INTERVAL 39 #define IKOT_UX_HANDLER 40 +#define IKOT_UEXT_OBJECT 41 +#define IKOT_ARCADE_REG 42 +#define IKOT_EVENTLINK 43 +#define IKOT_TASK_INSPECT 44 +#define IKOT_TASK_READ 45 +#define IKOT_THREAD_INSPECT 46 +#define IKOT_THREAD_READ 47 +#define IKOT_SUID_CRED 48 +#define IKOT_HYPERVISOR 49 /* * Add new entries here and adjust IKOT_UNKNOWN. * Please keep ipc/ipc_object.c:ikot_print_array up to date. */ -#define IKOT_UNKNOWN 41 /* magic catchall */ +#define IKOT_UNKNOWN 50 /* magic catchall */ #define IKOT_MAX_TYPE (IKOT_UNKNOWN+1) /* # of IKOT_ types */ - -#define is_ipc_kobject(ikot) ((ikot) != IKOT_NONE) +/* set the bitstring index for kobject */ +extern kern_return_t ipc_kobject_set_kobjidx( + int msgid, + int index); #ifdef MACH_KERNEL_PRIVATE -/* - * Define types of kernel objects that use page lists instead - * of entry lists for copyin of out of line memory. - */ +struct ipc_kobject_label { + ipc_label_t ikol_label; /* [private] mandatory access label */ + ipc_kobject_t XNU_PTRAUTH_SIGNED_PTR("ipc_kobject_label.ikol_kobject") ikol_kobject; /* actual kobject address */ +}; + +/* initialization of kobject subsystem */ +extern void ipc_kobject_init(void); /* Dispatch a kernel server function */ -extern ipc_kmsg_t ipc_kobject_server( - ipc_kmsg_t request, - mach_msg_option_t option); +extern ipc_kmsg_t ipc_kobject_server( + ipc_kmsg_t request, + mach_msg_option_t option); /* Make a port represent a kernel object of the given type */ -extern void ipc_kobject_set( - ipc_port_t port, - ipc_kobject_t kobject, - ipc_kobject_type_t type); +extern void ipc_kobject_set( + ipc_port_t port, + ipc_kobject_t kobject, + ipc_kobject_type_t type); + +extern void ipc_kobject_set_atomically( + ipc_port_t port, + ipc_kobject_t kobject, + ipc_kobject_type_t type); + +__options_decl(ipc_kobject_alloc_options_t, uint32_t, { + /* Just make the naked port */ + IPC_KOBJECT_ALLOC_NONE = 0x00000000, + /* Make a send right */ + IPC_KOBJECT_ALLOC_MAKE_SEND = 0x00000001, + /* Register for no-more-senders */ + IPC_KOBJECT_ALLOC_NSREQUEST = 0x00000002, + /* Make it no grant port */ + IPC_KOBJECT_ALLOC_NO_GRANT = 0x00000004, + /* Make all the send rights immovable */ + IPC_KOBJECT_ALLOC_IMMOVABLE_SEND = 0x00000008, + /* Add a label structure to the port */ + IPC_KOBJECT_ALLOC_LABEL = 0x00000010, +}); -extern void ipc_kobject_set_atomically( - ipc_port_t port, - ipc_kobject_t kobject, - ipc_kobject_type_t type); +/* Allocates a kobject port, never fails */ +extern ipc_port_t ipc_kobject_alloc_port( + ipc_kobject_t kobject, + ipc_kobject_type_t type, + ipc_kobject_alloc_options_t options); + +/* Allocates a kobject port, never fails */ +extern ipc_port_t ipc_kobject_alloc_labeled_port( + ipc_kobject_t kobject, + ipc_kobject_type_t type, + ipc_label_t label, + ipc_kobject_alloc_options_t options); + +/* Makes a send right, lazily allocating a kobject port, arming for no-senders, never fails */ +extern boolean_t ipc_kobject_make_send_lazy_alloc_port( + ipc_port_t *port_store, + ipc_kobject_t kobject, + ipc_kobject_type_t type, + boolean_t should_ptrauth, + uint64_t ptrauth_discriminator) __result_use_check; + +/* Makes a send right, lazily allocating a kobject port, arming for no-senders, never fails */ +extern boolean_t ipc_kobject_make_send_lazy_alloc_labeled_port( + ipc_port_t *port_store, + ipc_kobject_t kobject, + ipc_kobject_type_t type, + ipc_label_t label) __result_use_check; + +/* Get the kobject address associated with a port */ +static inline ipc_kobject_t +ipc_kobject_get(ipc_port_t port) +{ + if (ip_is_kobject(port)) { + if (ip_is_kolabeled(port)) { + return port->ip_kolabel->ikol_kobject; + } + return port->ip_kobject; + } + return 0; +} + +/* Check if a kobject can be copied out to a given space */ +extern boolean_t ipc_kobject_label_check( + ipc_space_t space, + ipc_port_t port, + mach_msg_type_name_t msgt_name); /* Release any kernel object resources associated with a port */ -extern void ipc_kobject_destroy( - ipc_port_t port); +extern void ipc_kobject_destroy( + ipc_port_t port); #define null_conversion(port) (port) +extern kern_return_t +uext_server(ipc_kmsg_t request, ipc_kmsg_t * reply); + #endif /* MACH_KERNEL_PRIVATE */ #endif /* KERNEL_PRIVATE */