1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 * Use of this source code is governed by a BSD-style license that can be 3 * found in the LICENSE file. 4 */ 5 6 /* From private/ppb_nacl_private.idl modified Thu Sep 4 07:46:02 2014. */ 7 8 #ifndef PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_ 9 #define PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_ 10 11 #include "ppapi/c/pp_bool.h" 12 #include "ppapi/c/pp_completion_callback.h" 13 #include "ppapi/c/pp_instance.h" 14 #include "ppapi/c/pp_macros.h" 15 #include "ppapi/c/pp_stdint.h" 16 #include "ppapi/c/pp_var.h" 17 #include "ppapi/c/private/ppp_pexe_stream_handler.h" 18 19 #define PPB_NACL_PRIVATE_INTERFACE_1_0 "PPB_NaCl_Private;1.0" 20 #define PPB_NACL_PRIVATE_INTERFACE PPB_NACL_PRIVATE_INTERFACE_1_0 21 22 /** 23 * @file 24 * This file contains NaCl private interfaces. This interface is not versioned 25 * and is for internal Chrome use. It may change without notice. */ 26 27 28 #include "ppapi/c/private/pp_file_handle.h" 29 #include "ppapi/c/private/ppb_instance_private.h" 30 31 /** 32 * @addtogroup Enums 33 * @{ 34 */ 35 /** NaCl-specific errors that should be reported to the user. 36 * These error codes are reported via UMA so, if you edit them: 37 * 1) make sure you understand UMA first. 38 * 2) update src/tools/metrics/histograms/histograms.xml 39 * Values are explicitly specified to make sure they don't shift around when 40 * edited, and also to make reading about:histograms easier. 41 */ 42 typedef enum { 43 PP_NACL_ERROR_LOAD_SUCCESS = 0, 44 PP_NACL_ERROR_LOAD_ABORTED = 1, 45 PP_NACL_ERROR_UNKNOWN = 2, 46 PP_NACL_ERROR_MANIFEST_RESOLVE_URL = 3, 47 PP_NACL_ERROR_MANIFEST_LOAD_URL = 4, 48 PP_NACL_ERROR_MANIFEST_STAT = 5, 49 PP_NACL_ERROR_MANIFEST_TOO_LARGE = 6, 50 PP_NACL_ERROR_MANIFEST_OPEN = 7, 51 PP_NACL_ERROR_MANIFEST_MEMORY_ALLOC = 8, 52 PP_NACL_ERROR_MANIFEST_READ = 9, 53 PP_NACL_ERROR_MANIFEST_PARSING = 10, 54 PP_NACL_ERROR_MANIFEST_SCHEMA_VALIDATE = 11, 55 PP_NACL_ERROR_MANIFEST_GET_NEXE_URL = 12, 56 PP_NACL_ERROR_NEXE_LOAD_URL = 13, 57 PP_NACL_ERROR_NEXE_ORIGIN_PROTOCOL = 14, 58 PP_NACL_ERROR_NEXE_FH_DUP = 15, 59 PP_NACL_ERROR_NEXE_STAT = 16, 60 PP_NACL_ERROR_ELF_CHECK_IO = 17, 61 PP_NACL_ERROR_ELF_CHECK_FAIL = 18, 62 PP_NACL_ERROR_SEL_LDR_INIT = 19, 63 PP_NACL_ERROR_SEL_LDR_CREATE_LAUNCHER = 20, 64 PP_NACL_ERROR_SEL_LDR_FD = 21, 65 PP_NACL_ERROR_SEL_LDR_LAUNCH = 22, 66 /* Deprecated, safe to reuse the value because it's never logged in UMA. 67 */ 68 PP_NACL_ERROR_SEL_LDR_SEND_NEXE = 24, 69 PP_NACL_ERROR_SEL_LDR_HANDLE_PASSING = 25, 70 PP_NACL_ERROR_SEL_LDR_START_MODULE = 26, 71 PP_NACL_ERROR_SEL_LDR_START_STATUS = 27, 72 PP_NACL_ERROR_SRPC_CONNECTION_FAIL = 28, 73 PP_NACL_ERROR_START_PROXY_CHECK_PPP = 29, 74 PP_NACL_ERROR_START_PROXY_ALLOC = 30, 75 PP_NACL_ERROR_START_PROXY_MODULE = 31, 76 PP_NACL_ERROR_START_PROXY_INSTANCE = 32, 77 PP_NACL_ERROR_SEL_LDR_COMMUNICATION_CMD_CHANNEL = 33, 78 PP_NACL_ERROR_SEL_LDR_COMMUNICATION_REV_SETUP = 34, 79 PP_NACL_ERROR_SEL_LDR_COMMUNICATION_WRAPPER = 35, 80 PP_NACL_ERROR_SEL_LDR_COMMUNICATION_REV_SERVICE = 36, 81 PP_NACL_ERROR_START_PROXY_CRASH = 37, 82 PP_NACL_ERROR_MANIFEST_PROGRAM_MISSING_ARCH = 38, 83 PP_NACL_ERROR_PNACL_CACHE_OPEN_INPROGRESS = 39, 84 PP_NACL_ERROR_PNACL_CACHE_OPEN_NOACCESS = 40, 85 PP_NACL_ERROR_PNACL_CACHE_OPEN_NOQUOTA = 41, 86 PP_NACL_ERROR_PNACL_CACHE_OPEN_NOSPACE = 42, 87 PP_NACL_ERROR_PNACL_CACHE_OPEN_OTHER = 43, 88 PP_NACL_ERROR_PNACL_CACHE_DIRECTORY_CREATE = 44, 89 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_NOACCESS = 45, 90 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_NOQUOTA = 46, 91 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_NOSPACE = 47, 92 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_NOTAFILE = 48, 93 PP_NACL_ERROR_PNACL_CACHE_FILEOPEN_OTHER = 49, 94 PP_NACL_ERROR_PNACL_CACHE_FETCH_NOACCESS = 50, 95 PP_NACL_ERROR_PNACL_CACHE_FETCH_NOTFOUND = 51, 96 PP_NACL_ERROR_PNACL_CACHE_FETCH_OTHER = 52, 97 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_COPY_NOQUOTA = 53, 98 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_COPY_NOSPACE = 54, 99 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_COPY_OTHER = 55, 100 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_RENAME_NOACCESS = 56, 101 PP_NACL_ERROR_PNACL_CACHE_FINALIZE_RENAME_OTHER = 57, 102 PP_NACL_ERROR_PNACL_RESOURCE_FETCH = 58, 103 PP_NACL_ERROR_PNACL_PEXE_FETCH_ABORTED = 59, 104 PP_NACL_ERROR_PNACL_PEXE_FETCH_NOACCESS = 60, 105 PP_NACL_ERROR_PNACL_PEXE_FETCH_OTHER = 61, 106 PP_NACL_ERROR_PNACL_THREAD_CREATE = 62, 107 PP_NACL_ERROR_PNACL_LLC_SETUP = 63, 108 PP_NACL_ERROR_PNACL_LD_SETUP = 64, 109 PP_NACL_ERROR_PNACL_LLC_INTERNAL = 65, 110 PP_NACL_ERROR_PNACL_LD_INTERNAL = 66, 111 PP_NACL_ERROR_PNACL_CREATE_TEMP = 67, 112 /* This entry is no longer used, but should not be removed, because UMA 113 */ 114 PP_NACL_ERROR_PNACL_NOT_ENABLED = 68, 115 PP_NACL_ERROR_MANIFEST_NOACCESS_URL = 69, 116 PP_NACL_ERROR_NEXE_NOACCESS_URL = 70, 117 PP_NACL_ERROR_PNACL_CRASH_THROTTLED = 71, 118 /* If you add a code, read the enum comment above on how to update 119 */ 120 PP_NACL_ERROR_MAX 121 } PP_NaClError; 122 123 /** Event types that NaCl may use when reporting load progress or errors. */ 124 typedef enum { 125 PP_NACL_EVENT_LOADSTART, 126 PP_NACL_EVENT_PROGRESS, 127 PP_NACL_EVENT_ERROR, 128 PP_NACL_EVENT_ABORT, 129 PP_NACL_EVENT_LOAD, 130 PP_NACL_EVENT_LOADEND, 131 PP_NACL_EVENT_CRASH 132 } PP_NaClEventType; 133 134 typedef enum { 135 PP_SCHEME_CHROME_EXTENSION, 136 PP_SCHEME_DATA, 137 PP_SCHEME_OTHER 138 } PP_UrlSchemeType; 139 140 typedef enum { 141 /* The trusted plugin begins in this ready state. */ 142 PP_NACL_READY_STATE_UNSENT = 0, 143 /* The manifest file has been requested, but not yet received. */ 144 PP_NACL_READY_STATE_OPENED = 1, 145 /* The manifest file has been received and the nexe successfully requested. */ 146 PP_NACL_READY_STATE_LOADING = 3, 147 /* The nexe has been loaded and the proxy started, so it is ready for 148 */ 149 PP_NACL_READY_STATE_DONE = 4 150 } PP_NaClReadyState; 151 /** 152 * @} 153 */ 154 155 /** 156 * @addtogroup Structs 157 * @{ 158 */ 159 struct PP_PNaClOptions { 160 PP_Bool translate; 161 PP_Bool is_debug; 162 int32_t opt_level; 163 }; 164 /** 165 * @} 166 */ 167 168 /** 169 * @addtogroup Typedefs 170 * @{ 171 */ 172 /* Callback invoked upon completion of PPP_ManifestService::OpenResource(). */ 173 typedef void (*PP_OpenResourceCompletionCallback)(void* user_data, 174 PP_FileHandle file_handle); 175 /** 176 * @} 177 */ 178 179 /** 180 * @addtogroup Structs 181 * @{ 182 */ 183 /* Corresponds to NaClFileInfo in 184 * native_client/src/trusted/validator/nacl_file_info.h */ 185 struct PP_NaClFileInfo { 186 PP_FileHandle handle; 187 /* See NaClFileToken comment in nacl_file_info.h */ 188 uint64_t token_lo; 189 uint64_t token_hi; 190 }; 191 /** 192 * @} 193 */ 194 195 /** 196 * @addtogroup Interfaces 197 * @{ 198 */ 199 /* PPB_NaCl_Private */ 200 struct PPB_NaCl_Private_1_0 { 201 /* Launches NaCl's sel_ldr process. Returns PP_EXTERNAL_PLUGIN_OK on success 202 * and writes a NaClHandle to imc_handle. Returns PP_EXTERNAL_PLUGIN_FAILED on 203 * failure. The |enable_ppapi_dev| parameter controls whether GetInterface 204 * returns 'Dev' interfaces to the NaCl plugin. The |uses_ppapi| flag 205 * indicates that the nexe run by sel_ldr will use the PPAPI APIs. 206 * This implies that LaunchSelLdr is run from the main thread. If a nexe 207 * does not need PPAPI, then it can run off the main thread. 208 * The |nexe_file_info| is currently used only in non-SFI mode. It is the 209 * file handle for the main nexe file, which should be initially loaded. 210 * LaunchSelLdr takes the ownership of the file handle. 211 * The |uses_irt| flag indicates whether the IRT should be loaded in this 212 * NaCl process. This is true for ABI stable nexes. 213 * The |uses_nonsfi_mode| flag indicates whether or not nonsfi-mode should 214 * be used with the binary pointed by the url. 215 * The |enable_dyncode_syscalls| flag indicates whether or not the nexe 216 * will be able to use dynamic code system calls (e.g., mmap with PROT_EXEC). 217 * The |enable_exception_handling| flag indicates whether or not the nexe 218 * will be able to use hardware exception handling. 219 * The |enable_crash_throttling| flag indicates whether or not crashes of 220 * the nexe contribute to crash throttling statisics and whether nexe starts 221 * are throttled by crash throttling. 222 */ 223 void (*LaunchSelLdr)(PP_Instance instance, 224 PP_Bool main_service_runtime, 225 const char* alleged_url, 226 const struct PP_NaClFileInfo* nexe_file_info, 227 PP_Bool uses_irt, 228 PP_Bool uses_ppapi, 229 PP_Bool uses_nonsfi_mode, 230 PP_Bool enable_ppapi_dev, 231 PP_Bool enable_dyncode_syscalls, 232 PP_Bool enable_exception_handling, 233 PP_Bool enable_crash_throttling, 234 void* imc_handle, 235 struct PP_CompletionCallback callback); 236 /* This function starts the IPC proxy so the nexe can communicate with the 237 * browser. 238 */ 239 PP_Bool (*StartPpapiProxy)(PP_Instance instance); 240 /* On POSIX systems, this function returns the file descriptor of 241 * /dev/urandom. On non-POSIX systems, this function returns 0. 242 */ 243 int32_t (*UrandomFD)(void); 244 /* Whether the Pepper 3D interfaces should be disabled in the NaCl PPAPI 245 * proxy. This is so paranoid admins can effectively prevent untrusted shader 246 * code to be processed by the graphics stack. 247 */ 248 PP_Bool (*Are3DInterfacesDisabled)(void); 249 /* This is Windows-specific. This is a replacement for DuplicateHandle() for 250 * use inside the Windows sandbox. Note that we provide this via dependency 251 * injection only to avoid the linkage problems that occur because the NaCl 252 * plugin is built as a separate DLL/DSO 253 * (see http://code.google.com/p/chromium/issues/detail?id=114439#c8). 254 */ 255 int32_t (*BrokerDuplicateHandle)(PP_FileHandle source_handle, 256 uint32_t process_id, 257 PP_FileHandle* target_handle, 258 uint32_t desired_access, 259 uint32_t options); 260 /* Returns a read-only (but executable) file descriptor / file info for 261 * a url for pnacl translator tools. Returns an invalid handle on failure. 262 */ 263 void (*GetReadExecPnaclFd)(const char* url, 264 struct PP_NaClFileInfo* out_file_info); 265 /* This creates a temporary file that will be deleted by the time 266 * the last handle is closed (or earlier on POSIX systems), and 267 * returns a posix handle to that temporary file. 268 */ 269 PP_FileHandle (*CreateTemporaryFile)(PP_Instance instance); 270 /* Return the number of processors in the system as reported by the OS */ 271 int32_t (*GetNumberOfProcessors)(void); 272 /* Return whether the non-SFI mode is enabled. */ 273 PP_Bool (*IsNonSFIModeEnabled)(void); 274 /* Report to the browser that translation of the pexe for |instance| 275 * has finished, or aborted with an error. If |success| is true, the 276 * browser may then store the translation in the cache. The renderer 277 * must first have called GetNexeFd for the same instance. (The browser is 278 * not guaranteed to store the nexe even if |success| is true; if there is 279 * an error on the browser side, or the file is too big for the cache, or 280 * the browser is in incognito mode, no notification will be delivered to 281 * the plugin.) 282 */ 283 void (*ReportTranslationFinished)(PP_Instance instance, 284 PP_Bool success, 285 int32_t opt_level, 286 int64_t pexe_size, 287 int64_t compile_time_us); 288 /* Dispatch a progress event on the DOM element where the given instance is 289 * embedded. 290 */ 291 void (*DispatchEvent)(PP_Instance instance, 292 PP_NaClEventType event_type, 293 const char* resource_url, 294 PP_Bool length_is_computable, 295 uint64_t loaded_bytes, 296 uint64_t total_bytes); 297 /* Report that the nexe loaded successfully. */ 298 void (*ReportLoadSuccess)(PP_Instance instance, 299 uint64_t loaded_bytes, 300 uint64_t total_bytes); 301 /* Report an error that occured while attempting to load a nexe. */ 302 void (*ReportLoadError)(PP_Instance instance, 303 PP_NaClError error, 304 const char* error_message); 305 /* Reports that loading a nexe was aborted. */ 306 void (*ReportLoadAbort)(PP_Instance instance); 307 /* Performs internal setup when an instance is created. */ 308 void (*InstanceCreated)(PP_Instance instance); 309 /* Performs internal cleanup when an instance is destroyed. */ 310 void (*InstanceDestroyed)(PP_Instance instance); 311 /* Return true if the NaCl debug stub is enabled and the app loaded from 312 * alleged_nmf_url will be attached to a debugger. 313 */ 314 PP_Bool (*NaClDebugEnabledForURL)(const char* alleged_nmf_url); 315 /* Returns the kind of SFI sandbox implemented by NaCl on this 316 * platform. 317 */ 318 const char* (*GetSandboxArch)(void); 319 /* Logs the message to the console. */ 320 void (*LogToConsole)(PP_Instance instance, const char* message); 321 /* Returns the NaCl readiness status for this instance. */ 322 PP_NaClReadyState (*GetNaClReadyState)(PP_Instance instance); 323 /* Logs the message via VLOG. */ 324 void (*Vlog)(const char* message); 325 /* Initializes internal state for a NaCl plugin. */ 326 void (*InitializePlugin)(PP_Instance instance, 327 uint32_t argc, 328 const char* argn[], 329 const char* argv[]); 330 /* Returns the size of the nexe. */ 331 int64_t (*GetNexeSize)(PP_Instance instance); 332 /* Requests the NaCl manifest specified in the plugin arguments. */ 333 void (*RequestNaClManifest)(PP_Instance instance, 334 struct PP_CompletionCallback callback); 335 struct PP_Var (*GetManifestBaseURL)(PP_Instance instance); 336 /* Processes the NaCl manifest once it's been retrieved. 337 * TODO(teravest): Move the rest of the supporting logic out of the trusted 338 * plugin. 339 */ 340 void (*ProcessNaClManifest)(PP_Instance instance, const char* program_url); 341 PP_Bool (*DevInterfacesEnabled)(PP_Instance instance); 342 PP_Bool (*GetManifestProgramURL)(PP_Instance instance, 343 struct PP_Var* full_url, 344 struct PP_PNaClOptions* pnacl_options, 345 PP_Bool* uses_nonsfi_mode); 346 /* Returns the filenames for the llc and ld tools. */ 347 PP_Bool (*GetPnaclResourceInfo)(PP_Instance instance, 348 struct PP_Var* llc_tool_name, 349 struct PP_Var* ld_tool_name); 350 /* PP_Var string of attributes describing the CPU features supported 351 * by the current architecture. The string is a comma-delimited list 352 * of attributes supported by LLVM in its -mattr= option: 353 * http://llvm.org/docs/CommandGuide/llc.html#cmdoption-mattr */ 354 struct PP_Var (*GetCpuFeatureAttrs)(void); 355 /* Downloads the .nexe file at the given URL to a file, and sets |file_info| 356 * to information for a handle to a file containing its contents. 357 * If metadata for identity-based validation caching is available 358 * then it sets token information in |file_info| (otherwise left untouched). 359 */ 360 void (*DownloadNexe)(PP_Instance instance, 361 const char* url, 362 struct PP_NaClFileInfo* file_info, 363 struct PP_CompletionCallback callback); 364 /* Reports the status of sel_ldr for UMA reporting. 365 * |max_status| has to be provided because the implementation of this 366 * interface can't access the NaClErrorCode enum. 367 */ 368 void (*ReportSelLdrStatus)(PP_Instance instance, 369 int32_t load_status, 370 int32_t max_status); 371 /* Logs time taken by an operation to UMA histograms. 372 * This function is safe to call on any thread. 373 */ 374 void (*LogTranslateTime)(const char* histogram_name, int64_t time_us); 375 /* Opens a manifest entry for the given instance. If this is for a helper 376 * process, we consult our internal pnacl.json instead of the user-supplied 377 * NMF. 378 * Fails for files which require PNaCl translation. 379 */ 380 void (*OpenManifestEntry)(PP_Instance instance, 381 PP_Bool is_helper_process, 382 const char* key, 383 struct PP_NaClFileInfo* file_info, 384 struct PP_CompletionCallback callback); 385 /* Sets the start time for PNaCl downloading and translation to the current 386 * time. 387 */ 388 void (*SetPNaClStartTime)(PP_Instance instance); 389 /* Downloads and streams a pexe file for PNaCl translation. 390 * Fetches the content at |pexe_url| for the given instance and opt_level. 391 * If a translated cached nexe is already available, |cache_hit_handle| 392 * is set and |cache_hit_callback| is called. 393 * Otherwise, |stream_callback| is called repeatedly with blocks of data 394 * as they are received. |stream_finished_callback| is called after all 395 * data has been received and dispatched to |stream_callback|. 396 */ 397 void (*StreamPexe)(PP_Instance instance, 398 const char* pexe_url, 399 int32_t opt_level, 400 const struct PPP_PexeStreamHandler_1_0* stream_handler, 401 void* stream_handler_user_data); 402 }; 403 404 typedef struct PPB_NaCl_Private_1_0 PPB_NaCl_Private; 405 /** 406 * @} 407 */ 408 409 #endif /* PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_ */ 410 411
