/* Copyright (c) 2012 The Chromium Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* This file contains NaCl private interfaces. This interface is not versioned * and is for internal Chrome use. It may change without notice. */ label Chrome { M25 = 1.0 }; #inline c #include "ppapi/c/private/pp_file_handle.h" #include "ppapi/c/private/ppb_instance_private.h" #endinl /** NaCl-specific errors that should be reported to the user */ enum PP_NaClError { /** * The manifest program element does not contain a program usable on the * user's architecture */ PP_NACL_MANIFEST_MISSING_ARCH = 0 }; /* PPB_NaCl_Private */ interface PPB_NaCl_Private { /* Launches NaCl's sel_ldr process. Returns PP_EXTERNAL_PLUGIN_OK on success * and writes a NaClHandle to imc_handle. Returns PP_EXTERNAL_PLUGIN_FAILED on * failure. The |enable_ppapi_dev| parameter controls whether GetInterface * returns 'Dev' interfaces to the NaCl plugin. The |uses_ppapi| flag * indicates that the nexe run by sel_ldr will use the PPAPI APIs. * This implies that LaunchSelLdr is run from the main thread. If a nexe * does not need PPAPI, then it can run off the main thread. * The |uses_irt| flag indicates whether the IRT should be loaded in this * NaCl process. This is true for ABI stable nexes. * The |enable_dyncode_syscalls| flag indicates whether or not the nexe * will be able to use dynamic code system calls (e.g., mmap with PROT_EXEC). * The |enable_exception_handling| flag indicates whether or not the nexe * will be able to use hardware exception handling. * The |enable_crash_throttling| flag indicates whether or not crashes of * the nexe contribute to crash throttling statisics and whether nexe starts * are throttled by crash throttling. */ PP_ExternalPluginResult LaunchSelLdr([in] PP_Instance instance, [in] str_t alleged_url, [in] PP_Bool uses_irt, [in] PP_Bool uses_ppapi, [in] PP_Bool enable_ppapi_dev, [in] PP_Bool enable_dyncode_syscalls, [in] PP_Bool enable_exception_handling, [in] PP_Bool enable_crash_throttling, [out] mem_t imc_handle, [out] PP_Var error_message); /* This function starts the IPC proxy so the nexe can communicate with the * browser. Returns PP_EXTERNAL_PLUGIN_OK on success, otherwise a result code * indicating the failure. PP_EXTERNAL_PLUGIN_FAILED is returned if * LaunchSelLdr wasn't called with the instance. * PP_EXTERNAL_PLUGIN_ERROR_MODULE is returned if the module can't be * initialized. PP_EXTERNAL_PLUGIN_ERROR_INSTANCE is returned if the instance * can't be initialized. */ PP_ExternalPluginResult StartPpapiProxy(PP_Instance instance); /* On POSIX systems, this function returns the file descriptor of * /dev/urandom. On non-POSIX systems, this function returns 0. */ int32_t UrandomFD(); /* Whether the Pepper 3D interfaces should be disabled in the NaCl PPAPI * proxy. This is so paranoid admins can effectively prevent untrusted shader * code to be processed by the graphics stack. */ PP_Bool Are3DInterfacesDisabled(); /* This is Windows-specific. This is a replacement for DuplicateHandle() for * use inside the Windows sandbox. Note that we provide this via dependency * injection only to avoid the linkage problems that occur because the NaCl * plugin is built as a separate DLL/DSO * (see http://code.google.com/p/chromium/issues/detail?id=114439#c8). */ int32_t BrokerDuplicateHandle([in] PP_FileHandle source_handle, [in] uint32_t process_id, [out] PP_FileHandle target_handle, [in] uint32_t desired_access, [in] uint32_t options); /* Returns a read-only file descriptor of a file rooted in the Pnacl * component directory, or an invalid handle on failure. */ PP_FileHandle GetReadonlyPnaclFd([in] str_t filename); /* This creates a temporary file that will be deleted by the time * the last handle is closed (or earlier on POSIX systems), and * returns a posix handle to that temporary file. */ PP_FileHandle CreateTemporaryFile([in] PP_Instance instance); /* Create a temporary file, which will be deleted by the time the * last handle is closed (or earlier on POSIX systems), to use for * the nexe with the cache information given by |pexe_url|, * |abi_version|, |opt_level|, |last_modified|, |etag|, and * |has_no_store_header|. If the nexe is already present in the * cache, |is_hit| is set to PP_TRUE and the contents of the nexe * will be copied into the temporary file. Otherwise |is_hit| is set * to PP_FALSE and the temporary file will be writeable. Currently * the implementation is a stub, which always sets is_hit to false * and calls the implementation of CreateTemporaryFile. In a * subsequent CL it will call into the browser which will remember * the association between the cache key and the fd, and copy the * nexe into the cache after the translation finishes. */ int32_t GetNexeFd([in] PP_Instance instance, [in] str_t pexe_url, [in] uint32_t abi_version, [in] uint32_t opt_level, [in] str_t last_modified, [in] str_t etag, [in] PP_Bool has_no_store_header, [out] PP_Bool is_hit, [out] PP_FileHandle nexe_handle, [in] PP_CompletionCallback callback); /* Report to the browser that translation of the pexe for |instance| * has finished, or aborted with an error. If |success| is true, the * browser may then store the translation in the cache. The renderer * must first have called GetNexeFd for the same instance. (The browser is * not guaranteed to store the nexe even if |success| is true; if there is * an error on the browser side, or the file is too big for the cache, or * the browser is in incognito mode, no notification will be delivered to * the plugin.) */ void ReportTranslationFinished([in] PP_Instance instance, [in] PP_Bool success); /* Return true if we are off the record. */ PP_Bool IsOffTheRecord(); /* Display a UI message to the user. */ PP_ExternalPluginResult ReportNaClError([in] PP_Instance instance, [in] PP_NaClError message_id); /* Opens a NaCl executable file in the application's extension directory * corresponding to the file URL and returns a file descriptor, or an invalid * handle on failure. |metadata| is left unchanged on failure. */ PP_FileHandle OpenNaClExecutable([in] PP_Instance instance, [in] str_t file_url, [out] uint64_t file_token_lo, [out] uint64_t file_token_hi); };