#include <mach/mach_traps.h>
#include <mach/mach_vm_server.h>
#include <mach/mach_port_server.h>
+#include <mach/mach_host_server.h>
+#include <mach/mach_voucher_server.h>
#include <mach/vm_map.h>
#include <kern/task.h>
#include <kern/ipc_tt.h>
+#include <kern/kalloc.h>
#include <vm/vm_protos.h>
int
return (rv);
}
+int
+_kernelrpc_mach_vm_map_trap(struct _kernelrpc_mach_vm_map_trap_args *args)
+{
+ mach_vm_offset_t addr;
+ task_t task = port_name_to_task(args->target);
+ int rv = MACH_SEND_INVALID_DEST;
+
+ if (task != current_task())
+ goto done;
+
+ if (copyin(args->addr, (char *)&addr, sizeof (addr)))
+ goto done;
+
+ rv = mach_vm_map(task->map, &addr, args->size, args->mask, args->flags,
+ IPC_PORT_NULL, 0, FALSE, args->cur_protection, VM_PROT_ALL,
+ VM_INHERIT_DEFAULT);
+ if (rv == KERN_SUCCESS)
+ rv = copyout(&addr, args->addr, sizeof (addr));
+
+done:
+ if (task)
+ task_deallocate(task);
+ return (rv);
+}
+
+int
+_kernelrpc_mach_vm_purgable_control_trap(
+ struct _kernelrpc_mach_vm_purgable_control_trap_args *args)
+{
+ int state;
+ task_t task = port_name_to_task(args->target);
+ int rv = MACH_SEND_INVALID_DEST;
+
+ if (task != current_task())
+ goto done;
+
+ if (copyin(args->state, (char *)&state, sizeof (state)))
+ goto done;
+
+ rv = mach_vm_purgable_control(task->map,
+ args->address,
+ args->control,
+ &state);
+ if (rv == KERN_SUCCESS)
+ rv = copyout(&state, args->state, sizeof (state));
+
+done:
+ if (task)
+ task_deallocate(task);
+ return (rv);
+}
+
int
_kernelrpc_mach_port_allocate_trap(struct _kernelrpc_mach_port_allocate_args *args)
{
disp = ipc_object_copyin_type(args->polyPoly);
rv = mach_port_insert_right(task->itk_space, args->name, port, disp);
+ if (rv != KERN_SUCCESS) {
+ if (IO_VALID((ipc_object_t)port)) {
+ ipc_object_destroy((ipc_object_t)port, disp);
+ }
+ }
done:
if (task)
task_deallocate(task);
return (rv);
}
+
+int
+_kernelrpc_mach_port_construct_trap(struct _kernelrpc_mach_port_construct_args *args)
+{
+ task_t task = port_name_to_task(args->target);
+ mach_port_name_t name;
+ int rv = MACH_SEND_INVALID_DEST;
+ mach_port_options_t options;
+
+ if (copyin(args->options, (char *)&options, sizeof (options))) {
+ rv = MACH_SEND_INVALID_DATA;
+ goto done;
+ }
+
+ if (task != current_task())
+ goto done;
+
+ rv = mach_port_construct(task->itk_space, &options, args->context, &name);
+ if (rv == KERN_SUCCESS)
+ rv = copyout(&name, args->name, sizeof (name));
+
+done:
+ if (task)
+ task_deallocate(task);
+ return (rv);
+}
+
+int
+_kernelrpc_mach_port_destruct_trap(struct _kernelrpc_mach_port_destruct_args *args)
+{
+ task_t task = port_name_to_task(args->target);
+ int rv = MACH_SEND_INVALID_DEST;
+
+ if (task != current_task())
+ goto done;
+
+ rv = mach_port_destruct(task->itk_space, args->name, args->srdelta, args->guard);
+
+done:
+ if (task)
+ task_deallocate(task);
+ return (rv);
+}
+
+int
+_kernelrpc_mach_port_guard_trap(struct _kernelrpc_mach_port_guard_args *args)
+{
+ task_t task = port_name_to_task(args->target);
+ int rv = MACH_SEND_INVALID_DEST;
+
+ if (task != current_task())
+ goto done;
+
+ rv = mach_port_guard(task->itk_space, args->name, args->guard, args->strict);
+
+done:
+ if (task)
+ task_deallocate(task);
+ return (rv);
+}
+
+int
+_kernelrpc_mach_port_unguard_trap(struct _kernelrpc_mach_port_unguard_args *args)
+{
+ task_t task = port_name_to_task(args->target);
+ int rv = MACH_SEND_INVALID_DEST;
+
+ if (task != current_task())
+ goto done;
+
+ rv = mach_port_unguard(task->itk_space, args->name, args->guard);
+
+done:
+ if (task)
+ task_deallocate(task);
+ return (rv);
+}
+
+kern_return_t
+host_create_mach_voucher_trap(struct host_create_mach_voucher_args *args)
+{
+ host_t host = port_name_to_host(args->host);
+ ipc_voucher_t new_voucher = IV_NULL;
+ ipc_port_t voucher_port = IPC_PORT_NULL;
+ mach_port_name_t voucher_name = 0;
+ kern_return_t kr = 0;
+
+ if (host == HOST_NULL)
+ return MACH_SEND_INVALID_DEST;
+
+ if (args->recipes_size < 0)
+ return KERN_INVALID_ARGUMENT;
+ else if (args->recipes_size > MACH_VOUCHER_ATTR_MAX_RAW_RECIPE_ARRAY_SIZE)
+ return MIG_ARRAY_TOO_LARGE;
+
+ if (args->recipes_size < MACH_VOUCHER_TRAP_STACK_LIMIT) {
+ /* keep small recipes on the stack for speed */
+ uint8_t krecipes[args->recipes_size];
+ if (copyin(args->recipes, (void *)krecipes, args->recipes_size)) {
+ kr = KERN_MEMORY_ERROR;
+ goto done;
+ }
+ kr = host_create_mach_voucher(host, krecipes, args->recipes_size, &new_voucher);
+ } else {
+ uint8_t *krecipes = kalloc((vm_size_t)args->recipes_size);
+ if (!krecipes) {
+ kr = KERN_RESOURCE_SHORTAGE;
+ goto done;
+ }
+
+ if (copyin(args->recipes, (void *)krecipes, args->recipes_size)) {
+ kfree(krecipes, (vm_size_t)args->recipes_size);
+ kr = KERN_MEMORY_ERROR;
+ goto done;
+ }
+
+ kr = host_create_mach_voucher(host, krecipes, args->recipes_size, &new_voucher);
+ kfree(krecipes, (vm_size_t)args->recipes_size);
+ }
+
+ if (kr == 0) {
+ voucher_port = convert_voucher_to_port(new_voucher);
+ voucher_name = ipc_port_copyout_send(voucher_port, current_space());
+
+ kr = copyout(&voucher_name, args->voucher, sizeof(voucher_name));
+ }
+
+done:
+ return kr;
+}
+
+kern_return_t
+mach_voucher_extract_attr_recipe_trap(struct mach_voucher_extract_attr_recipe_args *args)
+{
+ ipc_voucher_t voucher = IV_NULL;
+ kern_return_t kr = KERN_SUCCESS;
+ mach_msg_type_number_t sz = 0;
+
+ if (copyin(args->recipe_size, (void *)&sz, sizeof(sz)))
+ return KERN_MEMORY_ERROR;
+
+ if (sz > MACH_VOUCHER_ATTR_MAX_RAW_RECIPE_ARRAY_SIZE)
+ return MIG_ARRAY_TOO_LARGE;
+
+ voucher = convert_port_name_to_voucher(args->voucher_name);
+ if (voucher == IV_NULL)
+ return MACH_SEND_INVALID_DEST;
+
+ mach_msg_type_number_t __assert_only max_sz = sz;
+
+ if (sz < MACH_VOUCHER_TRAP_STACK_LIMIT) {
+ /* keep small recipes on the stack for speed */
+ uint8_t krecipe[sz];
+ if (copyin(args->recipe, (void *)krecipe, sz)) {
+ kr = KERN_MEMORY_ERROR;
+ goto done;
+ }
+ kr = mach_voucher_extract_attr_recipe(voucher, args->key,
+ (mach_voucher_attr_raw_recipe_t)krecipe, &sz);
+ assert(sz <= max_sz);
+
+ if (kr == KERN_SUCCESS && sz > 0)
+ kr = copyout(krecipe, (void *)args->recipe, sz);
+ } else {
+ uint8_t *krecipe = kalloc((vm_size_t)sz);
+ if (!krecipe) {
+ kr = KERN_RESOURCE_SHORTAGE;
+ goto done;
+ }
+
+ if (copyin(args->recipe, (void *)krecipe, args->recipe_size)) {
+ kfree(krecipe, (vm_size_t)sz);
+ kr = KERN_MEMORY_ERROR;
+ goto done;
+ }
+
+ kr = mach_voucher_extract_attr_recipe(voucher, args->key,
+ (mach_voucher_attr_raw_recipe_t)krecipe, &sz);
+ assert(sz <= max_sz);
+
+ if (kr == KERN_SUCCESS && sz > 0)
+ kr = copyout(krecipe, (void *)args->recipe, sz);
+ kfree(krecipe, (vm_size_t)sz);
+ }
+
+ kr = copyout(&sz, args->recipe_size, sizeof(sz));
+
+done:
+ ipc_voucher_release(voucher);
+ return kr;
+}
projects / apple / xnu.git / blobdiff