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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsNPAPIPlugin.h"
#include "nsNPAPIPluginInstance.h"
#include "nsPluginsDir.h"
#include "nsPluginsDirUtils.h"
#include "prenv.h"
#include "prerror.h"
#include "prio.h"
#include <sys/stat.h>
#include "nsString.h"
#include "nsIFile.h"
#define LOCAL_PLUGIN_DLL_SUFFIX ".so"
#if defined(__hpux)
# define DEFAULT_X11_PATH "/usr/lib/X11R6/"
# undef LOCAL_PLUGIN_DLL_SUFFIX
# define LOCAL_PLUGIN_DLL_SUFFIX ".sl"
# define LOCAL_PLUGIN_DLL_ALT_SUFFIX ".so"
#elif defined(_AIX)
# define DEFAULT_X11_PATH "/usr/lib"
# define LOCAL_PLUGIN_DLL_ALT_SUFFIX ".a"
#elif defined(SOLARIS)
# define DEFAULT_X11_PATH "/usr/openwin/lib/"
#elif defined(LINUX)
# define DEFAULT_X11_PATH "/usr/X11R6/lib/"
#elif defined(__APPLE__)
# define DEFAULT_X11_PATH "/usr/X11R6/lib"
# undef LOCAL_PLUGIN_DLL_SUFFIX
# define LOCAL_PLUGIN_DLL_SUFFIX ".dylib"
# define LOCAL_PLUGIN_DLL_ALT_SUFFIX ".so"
#else
# define DEFAULT_X11_PATH ""
#endif
/* nsPluginsDir implementation */
bool nsPluginsDir::IsPluginFile(nsIFile* file) {
nsAutoCString filename;
if (NS_FAILED(file->GetNativeLeafName(filename))) return false;
constexpr auto dllSuffix = nsLiteralCString{LOCAL_PLUGIN_DLL_SUFFIX};
if (filename.Length() > dllSuffix.Length() &&
StringEndsWith(filename, dllSuffix))
return true;
#ifdef LOCAL_PLUGIN_DLL_ALT_SUFFIX
constexpr auto dllAltSuffix = nsLiteralCString{LOCAL_PLUGIN_DLL_ALT_SUFFIX};
if (filename.Length() > dllAltSuffix.Length() &&
StringEndsWith(filename, dllAltSuffix))
return true;
#endif
return false;
}
/* nsPluginFile implementation */
nsPluginFile::nsPluginFile(nsIFile* file) : mPlugin(file) {}
nsPluginFile::~nsPluginFile() = default;
nsresult nsPluginFile::LoadPlugin(PRLibrary** outLibrary) {
PRLibSpec libSpec;
libSpec.type = PR_LibSpec_Pathname;
bool exists = false;
mPlugin->Exists(&exists);
if (!exists) return NS_ERROR_FILE_NOT_FOUND;
nsresult rv;
nsAutoCString path;
rv = mPlugin->GetNativePath(path);
if (NS_FAILED(rv)) return rv;
libSpec.value.pathname = path.get();
*outLibrary = PR_LoadLibraryWithFlags(libSpec, 0);
pLibrary = *outLibrary;
#ifdef DEBUG
printf("LoadPlugin() %s returned %lx\n", libSpec.value.pathname,
(unsigned long)pLibrary);
#endif
if (!pLibrary) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult nsPluginFile::GetPluginInfo(nsPluginInfo& info,
PRLibrary** outLibrary) {
*outLibrary = nullptr;
info.fVersion = nullptr;
// Sadly we have to load the library for this to work.
nsresult rv = LoadPlugin(outLibrary);
if (NS_FAILED(rv)) return rv;
const char* (*npGetPluginVersion)() =
(const char* (*)())PR_FindFunctionSymbol(pLibrary, "NP_GetPluginVersion");
if (npGetPluginVersion) {
info.fVersion = PL_strdup(npGetPluginVersion());
}
const char* (*npGetMIMEDescription)() =
(const char* (*)())PR_FindFunctionSymbol(pLibrary,
"NP_GetMIMEDescription");
if (!npGetMIMEDescription) {
return NS_ERROR_FAILURE;
}
const char* mimedescr = npGetMIMEDescription();
if (!mimedescr) {
return NS_ERROR_FAILURE;
}
rv = ParsePluginMimeDescription(mimedescr, info);
if (NS_FAILED(rv)) {
return rv;
}
nsAutoCString path;
if (NS_FAILED(rv = mPlugin->GetNativePath(path))) return rv;
info.fFullPath = PL_strdup(path.get());
nsAutoCString fileName;
if (NS_FAILED(rv = mPlugin->GetNativeLeafName(fileName))) return rv;
info.fFileName = PL_strdup(fileName.get());
NP_GetValueFunc npGetValue =
(NP_GetValueFunc)PR_FindFunctionSymbol(pLibrary, "NP_GetValue");
if (!npGetValue) {
return NS_ERROR_FAILURE;
}
const char* name = nullptr;
npGetValue(nullptr, NPPVpluginNameString, &name);
if (name) {
info.fName = PL_strdup(name);
} else {
info.fName = PL_strdup(fileName.get());
}
const char* description = nullptr;
npGetValue(nullptr, NPPVpluginDescriptionString, &description);
if (description) {
info.fDescription = PL_strdup(description);
} else {
info.fDescription = PL_strdup("");
}
return NS_OK;
}
nsresult nsPluginFile::FreePluginInfo(nsPluginInfo& info) {
if (info.fName != nullptr) PL_strfree(info.fName);
if (info.fDescription != nullptr) PL_strfree(info.fDescription);
for (uint32_t i = 0; i < info.fVariantCount; i++) {
if (info.fMimeTypeArray[i] != nullptr) PL_strfree(info.fMimeTypeArray[i]);
if (info.fMimeDescriptionArray[i] != nullptr)
PL_strfree(info.fMimeDescriptionArray[i]);
if (info.fExtensionArray[i] != nullptr) PL_strfree(info.fExtensionArray[i]);
}
free(info.fMimeTypeArray);
info.fMimeTypeArray = nullptr;
free(info.fMimeDescriptionArray);
info.fMimeDescriptionArray = nullptr;
free(info.fExtensionArray);
info.fExtensionArray = nullptr;
if (info.fFullPath != nullptr) PL_strfree(info.fFullPath);
if (info.fFileName != nullptr) PL_strfree(info.fFileName);
if (info.fVersion != nullptr) PL_strfree(info.fVersion);
return NS_OK;
}
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