1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/base/nsPluginsDirDarwin.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,555 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 + nsPluginsDirDarwin.cpp
1.11 +
1.12 + Mac OS X implementation of the nsPluginsDir/nsPluginsFile classes.
1.13 +
1.14 + by Patrick C. Beard.
1.15 + */
1.16 +
1.17 +#include "GeckoChildProcessHost.h"
1.18 +#include "base/process_util.h"
1.19 +
1.20 +#include "prlink.h"
1.21 +#include "prnetdb.h"
1.22 +#include "nsXPCOM.h"
1.23 +
1.24 +#include "nsPluginsDir.h"
1.25 +#include "nsNPAPIPlugin.h"
1.26 +#include "nsPluginsDirUtils.h"
1.27 +
1.28 +#include "nsILocalFileMac.h"
1.29 +
1.30 +#include <string.h>
1.31 +#include <stdio.h>
1.32 +#include <unistd.h>
1.33 +#include <fcntl.h>
1.34 +
1.35 +#include <Carbon/Carbon.h>
1.36 +#include <CoreServices/CoreServices.h>
1.37 +#include <mach-o/loader.h>
1.38 +#include <mach-o/fat.h>
1.39 +
1.40 +typedef NS_NPAPIPLUGIN_CALLBACK(const char *, NP_GETMIMEDESCRIPTION) ();
1.41 +typedef NS_NPAPIPLUGIN_CALLBACK(OSErr, BP_GETSUPPORTEDMIMETYPES) (BPSupportedMIMETypes *mimeInfo, UInt32 flags);
1.42 +
1.43 +
1.44 +/*
1.45 +** Returns a CFBundleRef if the path refers to a Mac OS X bundle directory.
1.46 +** The caller is responsible for calling CFRelease() to deallocate.
1.47 +*/
1.48 +static CFBundleRef getPluginBundle(const char* path)
1.49 +{
1.50 + CFBundleRef bundle = nullptr;
1.51 + CFStringRef pathRef = ::CFStringCreateWithCString(nullptr, path,
1.52 + kCFStringEncodingUTF8);
1.53 + if (pathRef) {
1.54 + CFURLRef bundleURL = ::CFURLCreateWithFileSystemPath(nullptr, pathRef,
1.55 + kCFURLPOSIXPathStyle,
1.56 + true);
1.57 + if (bundleURL) {
1.58 + bundle = ::CFBundleCreate(nullptr, bundleURL);
1.59 + ::CFRelease(bundleURL);
1.60 + }
1.61 + ::CFRelease(pathRef);
1.62 + }
1.63 + return bundle;
1.64 +}
1.65 +
1.66 +static nsresult toCFURLRef(nsIFile* file, CFURLRef& outURL)
1.67 +{
1.68 + nsCOMPtr<nsILocalFileMac> lfm = do_QueryInterface(file);
1.69 + if (!lfm)
1.70 + return NS_ERROR_FAILURE;
1.71 + CFURLRef url;
1.72 + nsresult rv = lfm->GetCFURL(&url);
1.73 + if (NS_SUCCEEDED(rv))
1.74 + outURL = url;
1.75 +
1.76 + return rv;
1.77 +}
1.78 +
1.79 +bool nsPluginsDir::IsPluginFile(nsIFile* file)
1.80 +{
1.81 + nsCString fileName;
1.82 + file->GetNativeLeafName(fileName);
1.83 + /*
1.84 + * Don't load the VDP fake plugin, to avoid tripping a bad bug in OS X
1.85 + * 10.5.3 (see bug 436575).
1.86 + */
1.87 + if (!strcmp(fileName.get(), "VerifiedDownloadPlugin.plugin")) {
1.88 + NS_WARNING("Preventing load of VerifiedDownloadPlugin.plugin (see bug 436575)");
1.89 + return false;
1.90 + }
1.91 + return true;
1.92 +}
1.93 +
1.94 +// Caller is responsible for freeing returned buffer.
1.95 +static char* CFStringRefToUTF8Buffer(CFStringRef cfString)
1.96 +{
1.97 + const char* buffer = ::CFStringGetCStringPtr(cfString, kCFStringEncodingUTF8);
1.98 + if (buffer) {
1.99 + return PL_strdup(buffer);
1.100 + }
1.101 +
1.102 + int bufferLength =
1.103 + ::CFStringGetMaximumSizeForEncoding(::CFStringGetLength(cfString),
1.104 + kCFStringEncodingUTF8) + 1;
1.105 + char* newBuffer = static_cast<char*>(NS_Alloc(bufferLength));
1.106 + if (!newBuffer) {
1.107 + return nullptr;
1.108 + }
1.109 +
1.110 + if (!::CFStringGetCString(cfString, newBuffer, bufferLength,
1.111 + kCFStringEncodingUTF8)) {
1.112 + NS_Free(newBuffer);
1.113 + return nullptr;
1.114 + }
1.115 +
1.116 + newBuffer = static_cast<char*>(NS_Realloc(newBuffer,
1.117 + strlen(newBuffer) + 1));
1.118 + return newBuffer;
1.119 +}
1.120 +
1.121 +class AutoCFTypeObject {
1.122 +public:
1.123 + AutoCFTypeObject(CFTypeRef object)
1.124 + {
1.125 + mObject = object;
1.126 + }
1.127 + ~AutoCFTypeObject()
1.128 + {
1.129 + ::CFRelease(mObject);
1.130 + }
1.131 +private:
1.132 + CFTypeRef mObject;
1.133 +};
1.134 +
1.135 +static Boolean MimeTypeEnabled(CFDictionaryRef mimeDict) {
1.136 + if (!mimeDict) {
1.137 + return true;
1.138 + }
1.139 +
1.140 + CFTypeRef value;
1.141 + if (::CFDictionaryGetValueIfPresent(mimeDict, CFSTR("WebPluginTypeEnabled"), &value)) {
1.142 + if (value && ::CFGetTypeID(value) == ::CFBooleanGetTypeID()) {
1.143 + return ::CFBooleanGetValue(static_cast<CFBooleanRef>(value));
1.144 + }
1.145 + }
1.146 + return true;
1.147 +}
1.148 +
1.149 +static CFDictionaryRef ParsePlistForMIMETypesFilename(CFBundleRef bundle)
1.150 +{
1.151 + CFTypeRef mimeFileName = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("WebPluginMIMETypesFilename"));
1.152 + if (!mimeFileName || ::CFGetTypeID(mimeFileName) != ::CFStringGetTypeID()) {
1.153 + return nullptr;
1.154 + }
1.155 +
1.156 + FSRef homeDir;
1.157 + if (::FSFindFolder(kUserDomain, kCurrentUserFolderType, kDontCreateFolder, &homeDir) != noErr) {
1.158 + return nullptr;
1.159 + }
1.160 +
1.161 + CFURLRef userDirURL = ::CFURLCreateFromFSRef(kCFAllocatorDefault, &homeDir);
1.162 + if (!userDirURL) {
1.163 + return nullptr;
1.164 + }
1.165 +
1.166 + AutoCFTypeObject userDirURLAutorelease(userDirURL);
1.167 + CFStringRef mimeFilePath = ::CFStringCreateWithFormat(kCFAllocatorDefault, nullptr, CFSTR("Library/Preferences/%@"), static_cast<CFStringRef>(mimeFileName));
1.168 + if (!mimeFilePath) {
1.169 + return nullptr;
1.170 + }
1.171 +
1.172 + AutoCFTypeObject mimeFilePathAutorelease(mimeFilePath);
1.173 + CFURLRef mimeFileURL = ::CFURLCreateWithFileSystemPathRelativeToBase(kCFAllocatorDefault, mimeFilePath, kCFURLPOSIXPathStyle, false, userDirURL);
1.174 + if (!mimeFileURL) {
1.175 + return nullptr;
1.176 + }
1.177 +
1.178 + AutoCFTypeObject mimeFileURLAutorelease(mimeFileURL);
1.179 + SInt32 errorCode = 0;
1.180 + CFDataRef mimeFileData = nullptr;
1.181 + Boolean result = ::CFURLCreateDataAndPropertiesFromResource(kCFAllocatorDefault, mimeFileURL, &mimeFileData, nullptr, nullptr, &errorCode);
1.182 + if (!result) {
1.183 + return nullptr;
1.184 + }
1.185 +
1.186 + AutoCFTypeObject mimeFileDataAutorelease(mimeFileData);
1.187 + if (errorCode != 0) {
1.188 + return nullptr;
1.189 + }
1.190 +
1.191 + CFPropertyListRef propertyList = ::CFPropertyListCreateFromXMLData(kCFAllocatorDefault, mimeFileData, kCFPropertyListImmutable, nullptr);
1.192 + if (!propertyList) {
1.193 + return nullptr;
1.194 + }
1.195 +
1.196 + AutoCFTypeObject propertyListAutorelease(propertyList);
1.197 + if (::CFGetTypeID(propertyList) != ::CFDictionaryGetTypeID()) {
1.198 + return nullptr;
1.199 + }
1.200 +
1.201 + CFTypeRef mimeTypes = ::CFDictionaryGetValue(static_cast<CFDictionaryRef>(propertyList), CFSTR("WebPluginMIMETypes"));
1.202 + if (!mimeTypes || ::CFGetTypeID(mimeTypes) != ::CFDictionaryGetTypeID() || ::CFDictionaryGetCount(static_cast<CFDictionaryRef>(mimeTypes)) == 0) {
1.203 + return nullptr;
1.204 + }
1.205 +
1.206 + return static_cast<CFDictionaryRef>(::CFRetain(mimeTypes));
1.207 +}
1.208 +
1.209 +static void ParsePlistPluginInfo(nsPluginInfo& info, CFBundleRef bundle)
1.210 +{
1.211 + CFDictionaryRef mimeDict = ParsePlistForMIMETypesFilename(bundle);
1.212 +
1.213 + if (!mimeDict) {
1.214 + CFTypeRef mimeTypes = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("WebPluginMIMETypes"));
1.215 + if (!mimeTypes || ::CFGetTypeID(mimeTypes) != ::CFDictionaryGetTypeID() || ::CFDictionaryGetCount(static_cast<CFDictionaryRef>(mimeTypes)) == 0)
1.216 + return;
1.217 + mimeDict = static_cast<CFDictionaryRef>(::CFRetain(mimeTypes));
1.218 + }
1.219 +
1.220 + AutoCFTypeObject mimeDictAutorelease(mimeDict);
1.221 + int mimeDictKeyCount = ::CFDictionaryGetCount(mimeDict);
1.222 +
1.223 + // Allocate memory for mime data
1.224 + int mimeDataArraySize = mimeDictKeyCount * sizeof(char*);
1.225 + info.fMimeTypeArray = static_cast<char**>(NS_Alloc(mimeDataArraySize));
1.226 + if (!info.fMimeTypeArray)
1.227 + return;
1.228 + memset(info.fMimeTypeArray, 0, mimeDataArraySize);
1.229 + info.fExtensionArray = static_cast<char**>(NS_Alloc(mimeDataArraySize));
1.230 + if (!info.fExtensionArray)
1.231 + return;
1.232 + memset(info.fExtensionArray, 0, mimeDataArraySize);
1.233 + info.fMimeDescriptionArray = static_cast<char**>(NS_Alloc(mimeDataArraySize));
1.234 + if (!info.fMimeDescriptionArray)
1.235 + return;
1.236 + memset(info.fMimeDescriptionArray, 0, mimeDataArraySize);
1.237 +
1.238 + // Allocate memory for mime dictionary keys and values
1.239 + nsAutoArrayPtr<CFTypeRef> keys(new CFTypeRef[mimeDictKeyCount]);
1.240 + if (!keys)
1.241 + return;
1.242 + nsAutoArrayPtr<CFTypeRef> values(new CFTypeRef[mimeDictKeyCount]);
1.243 + if (!values)
1.244 + return;
1.245 +
1.246 + info.fVariantCount = 0;
1.247 +
1.248 + ::CFDictionaryGetKeysAndValues(mimeDict, keys, values);
1.249 + for (int i = 0; i < mimeDictKeyCount; i++) {
1.250 + CFTypeRef mimeString = keys[i];
1.251 + if (!mimeString || ::CFGetTypeID(mimeString) != ::CFStringGetTypeID()) {
1.252 + continue;
1.253 + }
1.254 + CFTypeRef mimeDict = values[i];
1.255 + if (mimeDict && ::CFGetTypeID(mimeDict) == ::CFDictionaryGetTypeID()) {
1.256 + if (!MimeTypeEnabled(static_cast<CFDictionaryRef>(mimeDict))) {
1.257 + continue;
1.258 + }
1.259 + info.fMimeTypeArray[info.fVariantCount] = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(mimeString));
1.260 + if (!info.fMimeTypeArray[info.fVariantCount]) {
1.261 + continue;
1.262 + }
1.263 + CFTypeRef extensions = ::CFDictionaryGetValue(static_cast<CFDictionaryRef>(mimeDict), CFSTR("WebPluginExtensions"));
1.264 + if (extensions && ::CFGetTypeID(extensions) == ::CFArrayGetTypeID()) {
1.265 + int extensionCount = ::CFArrayGetCount(static_cast<CFArrayRef>(extensions));
1.266 + CFMutableStringRef extensionList = ::CFStringCreateMutable(kCFAllocatorDefault, 0);
1.267 + for (int j = 0; j < extensionCount; j++) {
1.268 + CFTypeRef extension = ::CFArrayGetValueAtIndex(static_cast<CFArrayRef>(extensions), j);
1.269 + if (extension && ::CFGetTypeID(extension) == ::CFStringGetTypeID()) {
1.270 + if (j > 0)
1.271 + ::CFStringAppend(extensionList, CFSTR(","));
1.272 + ::CFStringAppend(static_cast<CFMutableStringRef>(extensionList), static_cast<CFStringRef>(extension));
1.273 + }
1.274 + }
1.275 + info.fExtensionArray[info.fVariantCount] = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(extensionList));
1.276 + ::CFRelease(extensionList);
1.277 + }
1.278 + CFTypeRef description = ::CFDictionaryGetValue(static_cast<CFDictionaryRef>(mimeDict), CFSTR("WebPluginTypeDescription"));
1.279 + if (description && ::CFGetTypeID(description) == ::CFStringGetTypeID())
1.280 + info.fMimeDescriptionArray[info.fVariantCount] = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(description));
1.281 + }
1.282 + info.fVariantCount++;
1.283 + }
1.284 +}
1.285 +
1.286 +nsPluginFile::nsPluginFile(nsIFile *spec)
1.287 + : mPlugin(spec)
1.288 +{
1.289 +}
1.290 +
1.291 +nsPluginFile::~nsPluginFile() {}
1.292 +
1.293 +nsresult nsPluginFile::LoadPlugin(PRLibrary **outLibrary)
1.294 +{
1.295 + if (!mPlugin)
1.296 + return NS_ERROR_NULL_POINTER;
1.297 +
1.298 + // 64-bit NSPR does not (yet) support bundles. So in 64-bit builds we need
1.299 + // (for now) to load the bundle's executable. However this can cause
1.300 + // problems: CFBundleCreate() doesn't run the bundle's executable's
1.301 + // initialization code, while NSAddImage() and dlopen() do run it. So using
1.302 + // NSPR's dyld loading mechanisms here (NSAddImage() or dlopen()) can cause
1.303 + // a bundle's initialization code to run earlier than expected, and lead to
1.304 + // crashes. See bug 577967.
1.305 +#ifdef __LP64__
1.306 + char executablePath[PATH_MAX];
1.307 + executablePath[0] = '\0';
1.308 + nsAutoCString bundlePath;
1.309 + mPlugin->GetNativePath(bundlePath);
1.310 + CFStringRef pathRef = ::CFStringCreateWithCString(nullptr, bundlePath.get(),
1.311 + kCFStringEncodingUTF8);
1.312 + if (pathRef) {
1.313 + CFURLRef bundleURL = ::CFURLCreateWithFileSystemPath(nullptr, pathRef,
1.314 + kCFURLPOSIXPathStyle,
1.315 + true);
1.316 + if (bundleURL) {
1.317 + CFBundleRef bundle = ::CFBundleCreate(nullptr, bundleURL);
1.318 + if (bundle) {
1.319 + CFURLRef executableURL = ::CFBundleCopyExecutableURL(bundle);
1.320 + if (executableURL) {
1.321 + if (!::CFURLGetFileSystemRepresentation(executableURL, true, (UInt8*)&executablePath, PATH_MAX))
1.322 + executablePath[0] = '\0';
1.323 + ::CFRelease(executableURL);
1.324 + }
1.325 + ::CFRelease(bundle);
1.326 + }
1.327 + ::CFRelease(bundleURL);
1.328 + }
1.329 + ::CFRelease(pathRef);
1.330 + }
1.331 +#else
1.332 + nsAutoCString bundlePath;
1.333 + mPlugin->GetNativePath(bundlePath);
1.334 + const char *executablePath = bundlePath.get();
1.335 +#endif
1.336 +
1.337 + *outLibrary = PR_LoadLibrary(executablePath);
1.338 + pLibrary = *outLibrary;
1.339 + if (!pLibrary) {
1.340 + return NS_ERROR_FAILURE;
1.341 + }
1.342 +#ifdef DEBUG
1.343 + printf("[loaded plugin %s]\n", bundlePath.get());
1.344 +#endif
1.345 + return NS_OK;
1.346 +}
1.347 +
1.348 +static char* p2cstrdup(StringPtr pstr)
1.349 +{
1.350 + int len = pstr[0];
1.351 + char* cstr = static_cast<char*>(NS_Alloc(len + 1));
1.352 + if (cstr) {
1.353 + memmove(cstr, pstr + 1, len);
1.354 + cstr[len] = '\0';
1.355 + }
1.356 + return cstr;
1.357 +}
1.358 +
1.359 +static char* GetNextPluginStringFromHandle(Handle h, short *index)
1.360 +{
1.361 + char *ret = p2cstrdup((unsigned char*)(*h + *index));
1.362 + *index += (ret ? strlen(ret) : 0) + 1;
1.363 + return ret;
1.364 +}
1.365 +
1.366 +static bool IsCompatibleArch(nsIFile *file)
1.367 +{
1.368 + CFURLRef pluginURL = nullptr;
1.369 + if (NS_FAILED(toCFURLRef(file, pluginURL)))
1.370 + return false;
1.371 +
1.372 + bool isPluginFile = false;
1.373 +
1.374 + CFBundleRef pluginBundle = ::CFBundleCreate(kCFAllocatorDefault, pluginURL);
1.375 + if (pluginBundle) {
1.376 + UInt32 packageType, packageCreator;
1.377 + ::CFBundleGetPackageInfo(pluginBundle, &packageType, &packageCreator);
1.378 + if (packageType == 'BRPL' || packageType == 'IEPL' || packageType == 'NSPL') {
1.379 + // Get path to plugin as a C string.
1.380 + char executablePath[PATH_MAX];
1.381 + executablePath[0] = '\0';
1.382 + if (!::CFURLGetFileSystemRepresentation(pluginURL, true, (UInt8*)&executablePath, PATH_MAX)) {
1.383 + executablePath[0] = '\0';
1.384 + }
1.385 +
1.386 + uint32_t pluginLibArchitectures;
1.387 + nsresult rv = mozilla::ipc::GeckoChildProcessHost::GetArchitecturesForBinary(executablePath, &pluginLibArchitectures);
1.388 + if (NS_FAILED(rv)) {
1.389 + return false;
1.390 + }
1.391 +
1.392 + uint32_t supportedArchitectures =
1.393 +#ifdef __LP64__
1.394 + mozilla::ipc::GeckoChildProcessHost::GetSupportedArchitecturesForProcessType(GeckoProcessType_Plugin);
1.395 +#else
1.396 + base::GetCurrentProcessArchitecture();
1.397 +#endif
1.398 +
1.399 + // Consider the plugin architecture valid if there is any overlap in the masks.
1.400 + isPluginFile = !!(supportedArchitectures & pluginLibArchitectures);
1.401 + }
1.402 + ::CFRelease(pluginBundle);
1.403 + }
1.404 +
1.405 + ::CFRelease(pluginURL);
1.406 + return isPluginFile;
1.407 +}
1.408 +
1.409 +/**
1.410 + * Obtains all of the information currently available for this plugin.
1.411 + */
1.412 +nsresult nsPluginFile::GetPluginInfo(nsPluginInfo& info, PRLibrary **outLibrary)
1.413 +{
1.414 + *outLibrary = nullptr;
1.415 +
1.416 + nsresult rv = NS_OK;
1.417 +
1.418 + if (!IsCompatibleArch(mPlugin)) {
1.419 + return NS_ERROR_FAILURE;
1.420 + }
1.421 +
1.422 + // clear out the info, except for the first field.
1.423 + memset(&info, 0, sizeof(info));
1.424 +
1.425 + // Try to get a bundle reference.
1.426 + nsAutoCString path;
1.427 + if (NS_FAILED(rv = mPlugin->GetNativePath(path)))
1.428 + return rv;
1.429 + CFBundleRef bundle = getPluginBundle(path.get());
1.430 +
1.431 + // fill in full path
1.432 + info.fFullPath = PL_strdup(path.get());
1.433 +
1.434 + // fill in file name
1.435 + nsAutoCString fileName;
1.436 + if (NS_FAILED(rv = mPlugin->GetNativeLeafName(fileName)))
1.437 + return rv;
1.438 + info.fFileName = PL_strdup(fileName.get());
1.439 +
1.440 + // Get fName
1.441 + if (bundle) {
1.442 + CFTypeRef name = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("WebPluginName"));
1.443 + if (name && ::CFGetTypeID(name) == ::CFStringGetTypeID())
1.444 + info.fName = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(name));
1.445 + }
1.446 +
1.447 + // Get fDescription
1.448 + if (bundle) {
1.449 + CFTypeRef description = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("WebPluginDescription"));
1.450 + if (description && ::CFGetTypeID(description) == ::CFStringGetTypeID())
1.451 + info.fDescription = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(description));
1.452 + }
1.453 +
1.454 + // Get fVersion
1.455 + if (bundle) {
1.456 + // Look for the release version first
1.457 + CFTypeRef version = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("CFBundleShortVersionString"));
1.458 + if (!version) // try the build version
1.459 + version = ::CFBundleGetValueForInfoDictionaryKey(bundle, kCFBundleVersionKey);
1.460 + if (version && ::CFGetTypeID(version) == ::CFStringGetTypeID())
1.461 + info.fVersion = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(version));
1.462 + }
1.463 +
1.464 + // The last thing we need to do is get MIME data
1.465 + // fVariantCount, fMimeTypeArray, fExtensionArray, fMimeDescriptionArray
1.466 +
1.467 + // First look for data in a bundle plist
1.468 + if (bundle) {
1.469 + ParsePlistPluginInfo(info, bundle);
1.470 + ::CFRelease(bundle);
1.471 + if (info.fVariantCount > 0)
1.472 + return NS_OK;
1.473 + }
1.474 +
1.475 + // It's possible that our plugin has 2 entry points that'll give us mime type
1.476 + // info. Quicktime does this to get around the need of having admin rights to
1.477 + // change mime info in the resource fork. We need to use this info instead of
1.478 + // the resource. See bug 113464.
1.479 +
1.480 + // Sadly we have to load the library for this to work.
1.481 + rv = LoadPlugin(outLibrary);
1.482 + if (NS_FAILED(rv))
1.483 + return rv;
1.484 +
1.485 + // Try to get data from NP_GetMIMEDescription
1.486 + if (pLibrary) {
1.487 + NP_GETMIMEDESCRIPTION pfnGetMimeDesc = (NP_GETMIMEDESCRIPTION)PR_FindFunctionSymbol(pLibrary, NP_GETMIMEDESCRIPTION_NAME);
1.488 + if (pfnGetMimeDesc)
1.489 + ParsePluginMimeDescription(pfnGetMimeDesc(), info);
1.490 + if (info.fVariantCount)
1.491 + return NS_OK;
1.492 + }
1.493 +
1.494 + // We'll fill this in using BP_GetSupportedMIMETypes and/or resource fork data
1.495 + BPSupportedMIMETypes mi = {kBPSupportedMIMETypesStructVers_1, nullptr, nullptr};
1.496 +
1.497 + // Try to get data from BP_GetSupportedMIMETypes
1.498 + if (pLibrary) {
1.499 + BP_GETSUPPORTEDMIMETYPES pfnMime = (BP_GETSUPPORTEDMIMETYPES)PR_FindFunctionSymbol(pLibrary, "BP_GetSupportedMIMETypes");
1.500 + if (pfnMime && noErr == pfnMime(&mi, 0) && mi.typeStrings) {
1.501 + info.fVariantCount = (**(short**)mi.typeStrings) / 2;
1.502 + ::HLock(mi.typeStrings);
1.503 + if (mi.infoStrings) // it's possible some plugins have infoStrings missing
1.504 + ::HLock(mi.infoStrings);
1.505 + }
1.506 + }
1.507 +
1.508 + // Fill in the info struct based on the data in the BPSupportedMIMETypes struct
1.509 + int variantCount = info.fVariantCount;
1.510 + info.fMimeTypeArray = static_cast<char**>(NS_Alloc(variantCount * sizeof(char*)));
1.511 + if (!info.fMimeTypeArray)
1.512 + return NS_ERROR_OUT_OF_MEMORY;
1.513 + info.fExtensionArray = static_cast<char**>(NS_Alloc(variantCount * sizeof(char*)));
1.514 + if (!info.fExtensionArray)
1.515 + return NS_ERROR_OUT_OF_MEMORY;
1.516 + if (mi.infoStrings) {
1.517 + info.fMimeDescriptionArray = static_cast<char**>(NS_Alloc(variantCount * sizeof(char*)));
1.518 + if (!info.fMimeDescriptionArray)
1.519 + return NS_ERROR_OUT_OF_MEMORY;
1.520 + }
1.521 + short mimeIndex = 2;
1.522 + short descriptionIndex = 2;
1.523 + for (int i = 0; i < variantCount; i++) {
1.524 + info.fMimeTypeArray[i] = GetNextPluginStringFromHandle(mi.typeStrings, &mimeIndex);
1.525 + info.fExtensionArray[i] = GetNextPluginStringFromHandle(mi.typeStrings, &mimeIndex);
1.526 + if (mi.infoStrings)
1.527 + info.fMimeDescriptionArray[i] = GetNextPluginStringFromHandle(mi.infoStrings, &descriptionIndex);
1.528 + }
1.529 +
1.530 + ::HUnlock(mi.typeStrings);
1.531 + ::DisposeHandle(mi.typeStrings);
1.532 + if (mi.infoStrings) {
1.533 + ::HUnlock(mi.infoStrings);
1.534 + ::DisposeHandle(mi.infoStrings);
1.535 + }
1.536 +
1.537 + return NS_OK;
1.538 +}
1.539 +
1.540 +nsresult nsPluginFile::FreePluginInfo(nsPluginInfo& info)
1.541 +{
1.542 + NS_Free(info.fName);
1.543 + NS_Free(info.fDescription);
1.544 + int variantCount = info.fVariantCount;
1.545 + for (int i = 0; i < variantCount; i++) {
1.546 + NS_Free(info.fMimeTypeArray[i]);
1.547 + NS_Free(info.fExtensionArray[i]);
1.548 + NS_Free(info.fMimeDescriptionArray[i]);
1.549 + }
1.550 + NS_Free(info.fMimeTypeArray);
1.551 + NS_Free(info.fMimeDescriptionArray);
1.552 + NS_Free(info.fExtensionArray);
1.553 + NS_Free(info.fFileName);
1.554 + NS_Free(info.fFullPath);
1.555 + NS_Free(info.fVersion);
1.556 +
1.557 + return NS_OK;
1.558 +}
