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| typedef wchar16_t __port_service_prefix[6]; |
| |
| static const __port_service_prefix __port_service_null = {0}; |
| static const __port_service_prefix __port_service_prefixes[4][NT_PORT_TYPE_CAP][NT_PORT_SUBTYPE_CAP] = { |
| {{{'s','v','c','a','n','y'}}}, |
| {{{'n','t','c','t','t','y'}}}, |
| {{{'v','m','o','u','n','t'}}}, |
| {{{'d','a','e','m','o','n'}}}}; |
| |
| static const nt_guid __port_guids[NT_PORT_TYPE_CAP][NT_PORT_SUBTYPE_CAP] = { |
| {NT_PORT_GUID_DEFAULT}, |
| {NT_PORT_GUID_SUBSYSTEM}, |
| {NT_PORT_GUID_VMOUNT}, |
| {NT_PORT_GUID_DAEMON}}; |
| |
| int32_t __stdcall __ntapi_tt_port_guid_from_type( |
| __out nt_guid * guid, |
| __in nt_port_type type, |
| __in nt_port_subtype subtype) |
| { |
| const nt_guid * src_guid; |
| |
| if ((type >= NT_PORT_TYPE_CAP) || (subtype >= NT_PORT_SUBTYPE_CAP)) |
| return NT_STATUS_INVALID_PARAMETER; |
| |
| src_guid = &(__port_guids[type][subtype]); |
| |
| __ntapi->tt_aligned_block_memcpy( |
| (uintptr_t *)guid, |
| (uintptr_t *)src_guid, |
| sizeof(nt_guid)); |
| |
| return NT_STATUS_SUCCESS; |
| } |
| |
| |
| int32_t __stdcall __ntapi_tt_port_type_from_guid( |
| __out nt_port_type * type, |
| __out nt_port_subtype * subtype, |
| __in nt_guid * guid) |
| { |
| int itype; |
| int isubtype; |
| const nt_guid * src_guid; |
| uint32_t guid_hash; |
| uint32_t src_hash; |
| |
| guid_hash = __ntapi->tt_buffer_crc32(0,guid,sizeof(nt_guid)); |
| |
| for (itype=0; itype<NT_PORT_TYPE_CAP; itype++) { |
| for (isubtype=0; isubtype<NT_PORT_SUBTYPE_CAP; isubtype++) { |
| src_guid = &(__port_guids[itype][isubtype]); |
| src_hash = __ntapi->tt_buffer_crc32(0,src_guid,sizeof(nt_guid)); |
| |
| if (guid_hash == src_hash) { |
| *type = (nt_port_type)itype; |
| *subtype = (nt_port_subtype)isubtype; |
| |
| return NT_STATUS_SUCCESS; |
| } |
| } |
| } |
| |
| return NT_STATUS_INVALID_PARAMETER; |
| |
| } |
| |
| |
| int32_t __stdcall __ntapi_tt_port_generate_keys( |
| __out nt_port_keys * keys) |
| { |
| int32_t status; |
| nt_large_integer systime; |
| nt_luid luid; |
| |
| status = __ntapi->zw_query_system_time(&systime); |
| if (status) return status; |
| |
| status = __ntapi->zw_allocate_locally_unique_id(&luid); |
| if (status) return status; |
| |
| keys->key[0] = pe_get_current_process_id(); |
| keys->key[1] = pe_get_current_thread_id(); |
| keys->key[2] = systime.ihigh; |
| keys->key[3] = systime.ulow; |
| keys->key[4] = luid.high; |
| keys->key[5] = luid.low; |
| |
| return NT_STATUS_SUCCESS; |
| } |
| |
| |
| void __stdcall __ntapi_tt_port_format_keys( |
| __in nt_port_keys * keys, |
| __out nt_port_name_keys * name_keys) |
| { |
| __ntapi->tt_uint32_to_hex_utf16(keys->key[0],name_keys->key_1st); |
| __ntapi->tt_uint32_to_hex_utf16(keys->key[1],name_keys->key_2nd); |
| __ntapi->tt_uint32_to_hex_utf16(keys->key[2],name_keys->key_3rd); |
| __ntapi->tt_uint32_to_hex_utf16(keys->key[3],name_keys->key_4th); |
| __ntapi->tt_uint32_to_hex_utf16(keys->key[4],name_keys->key_5th); |
| __ntapi->tt_uint32_to_hex_utf16(keys->key[5],name_keys->key_6th); |
| |
| return; |
| } |
| |
| |
| void __stdcall __ntapi_tt_port_name_from_attributes( |
| __out nt_port_name * name, |
| __in nt_port_attr * attr) |
| { |
| wchar16_t bno[] = __NT_BASED_NAMED_OBJECTS; |
| |
| |
| __ntapi->tt_memcpy_utf16( |
| name->base_named_objects, |
| bno,sizeof(bno)); |
| |
| |
| if (attr && (attr->type < NT_PORT_TYPE_CAP) && (attr->subtype < NT_PORT_SUBTYPE_CAP)) |
| __ntapi->tt_memcpy_utf16( |
| name->svc_prefix, |
| &(__port_service_prefixes[attr->type][attr->subtype][0][0]), |
| sizeof(name->svc_prefix)); |
| else |
| __ntapi->tt_memcpy_utf16( |
| name->svc_prefix, |
| __port_service_null, |
| sizeof(name->svc_prefix)); |
| |
| |
| __ntapi->tt_guid_to_utf16_string( |
| &attr->guid, |
| (nt_guid_str_utf16 *)&name->port_guid); |
| |
| |
| __ntapi_tt_port_format_keys( |
| &attr->keys, |
| &name->port_name_keys); |
| |
| |
| name->backslash = '\\'; |
| name->port_guid.uscore_guid = '_'; |
| name->port_guid.uscore_keys = '_'; |
| name->port_name_keys.uscore_1st = '_'; |
| name->port_name_keys.uscore_2nd = '_'; |
| name->port_name_keys.uscore_3rd = '_'; |
| name->port_name_keys.uscore_4th = '_'; |
| name->port_name_keys.uscore_5th = '_'; |
| |
| |
| name->null_termination = 0; |
| |
| return; |
| } |