зеркало из https://github.com/mozilla/gecko-dev.git
Bug 173311 - RealPlayer One 9.0b2 plugin causes crash at startup for Mach-0 build because of symlink (alias) handling problems. r=bnesse/sr=sfraser/a=dbaron
This commit is contained in:
ccarlen%netscape.com
Родитель
cbdc43aebe
Коммит
88535bd0b1
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@ -1124,53 +1124,13 @@ NS_IMETHODIMP nsLocalFile::GetParent(nsIFile * *aParent)
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*aParent = nsnull;
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nsresult rv;
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#if DEBUG
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// In a debug build, where components are symlinks, we need to do it this way.
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// If a file object which is a symlink is asked for its parent, its parent
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// will be that of the resolved link which isn't what the component mgr
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// expects.
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nsCAutoString thisPath;
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rv = GetNativePath(thisPath);
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if (NS_FAILED(rv))
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return rv;
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char *buffer = NS_CONST_CAST(char *, thisPath.get()),
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*slashp = buffer;
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// find the last significant slash in buffer
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slashp = strrchr(buffer, '/');
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NS_ASSERTION(slashp, "non-canonical mPath?");
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if (!slashp)
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return NS_ERROR_FILE_INVALID_PATH;
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// for the case where we are at '/'
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if (slashp == buffer)
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slashp++;
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// temporarily terminate buffer at the last significant slash
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char c = *slashp;
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*slashp = '\0';
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nsCOMPtr<nsILocalFile> localFile;
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rv = NS_NewNativeLocalFile(nsDependentCString(buffer), PR_TRUE,
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getter_AddRefs(localFile));
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// make buffer whole again
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*slashp = c;
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*aParent = localFile;
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NS_IF_ADDREF(*aParent);
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#else
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FSRef fsRef;
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nsLocalFile *newFile = nsnull;
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// If it can be determined without error that a file does not
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// have a parent, return nsnull for the parent and NS_OK as the result.
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// See bug 133617.
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rv = GetFSRefInternal(fsRef);
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if (NS_SUCCEEDED(rv)) {
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FSRef parentRef;
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@ -1203,7 +1163,6 @@ NS_IMETHODIMP nsLocalFile::GetParent(nsIFile * *aParent)
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return NS_ERROR_FAILURE;
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*aParent = newFile;
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NS_ADDREF(*aParent);
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#endif
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return NS_OK;
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}
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@ -1356,7 +1315,7 @@ NS_IMETHODIMP nsLocalFile::OpenNSPRFileDesc(PRInt32 flags, PRInt32 mode, PRFileD
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NS_ENSURE_ARG_POINTER(_retval);
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nsCAutoString path;
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nsresult rv = GetNativePath(path);
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nsresult rv = GetPathInternal(path);
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if (NS_FAILED(rv))
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return rv;
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@ -1374,7 +1333,7 @@ NS_IMETHODIMP nsLocalFile::OpenANSIFileDesc(const char *mode, FILE **_retval)
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NS_ENSURE_ARG_POINTER(_retval);
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nsCAutoString path;
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nsresult rv = GetNativePath(path);
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nsresult rv = GetPathInternal(path);
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if (NS_FAILED(rv))
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return rv;
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@ -1394,7 +1353,7 @@ NS_IMETHODIMP nsLocalFile::Load(PRLibrary **_retval)
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NS_TIMELINE_START_TIMER("PR_LoadLibrary");
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nsCAutoString path;
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nsresult rv = GetNativePath(path);
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nsresult rv = GetPathInternal(path);
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if (NS_FAILED(rv))
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return rv;
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@ -1998,6 +1957,33 @@ nsresult nsLocalFile::GetFSRefInternal(FSRef& aFSSpec)
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return NS_OK;
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}
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nsresult nsLocalFile::GetPathInternal(nsACString& path)
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{
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FSRef fsRef;
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UInt8 pathBuf[PATH_MAX + 1];
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if (NS_SUCCEEDED(Resolve()))
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fsRef = mFollowLinks ? mTargetFSRef : mFSRef;
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else
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fsRef = mFSRef;
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OSErr err = ::FSRefMakePath(&fsRef, pathBuf, sizeof(pathBuf));
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if (err != noErr)
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return MacErrorMapper(err);
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path.Assign((char *)pathBuf);
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// If Resolve() succeeds, mNonExtantNodes is empty.
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deque<nsString>::iterator iter(mNonExtantNodes.begin());
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deque<nsString>::iterator end(mNonExtantNodes.end());
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while (iter != end) {
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path.Append(kPathSepChar);
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path.Append((NS_ConvertUCS2toUTF8(*iter)));
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++iter;
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}
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return NS_OK;
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}
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nsresult nsLocalFile::ResolveNonExtantNodes(PRBool aCreateDirs)
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{
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deque<nsString>::iterator iter(mNonExtantNodes.begin());
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@ -78,14 +78,15 @@ protected:
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nsLocalFile(const FSRef& aFSRef, const nsAString& aRelativePath);
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nsLocalFile(const nsLocalFile& src);
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nsresult Resolve();
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nsresult GetFSRefInternal(FSRef& aFSSpec);
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nsresult Resolve();
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nsresult GetFSRefInternal(FSRef& aFSSpec);
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nsresult GetPathInternal(nsACString& path); // Returns path WRT mFollowLinks
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nsresult ResolveNonExtantNodes(PRBool aCreateDirs);
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nsresult MoveCopy(nsIFile* newParentDir, const nsAString &newName, PRBool isCopy, PRBool followLinks);
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nsresult MoveCopy(nsIFile* newParentDir, const nsAString &newName, PRBool isCopy, PRBool followLinks);
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static PRInt64 HFSPlustoNSPRTime(const UTCDateTime& utcTime);
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static void NSPRtoHFSPlusTime(PRInt64 nsprTime, UTCDateTime& utcTime);
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static PRInt64 HFSPlustoNSPRTime(const UTCDateTime& utcTime);
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static void NSPRtoHFSPlusTime(PRInt64 nsprTime, UTCDateTime& utcTime);
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protected:
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FSRef mFSRef;
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@ -93,16 +94,16 @@ protected:
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FSRef mTargetFSRef; // If mFSRef is an alias file, its target
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PRPackedBool mFollowLinks;
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PRPackedBool mFollowLinks;
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PRPackedBool mIdentityDirty;
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PRPackedBool mFollowLinksDirty;
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PRPackedBool mIdentityDirty;
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PRPackedBool mFollowLinksDirty;
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static PRInt64 kJanuaryFirst1970Seconds;
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static PRInt64 kJanuaryFirst1970Seconds;
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static PRUnichar kPathSepUnichar;
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static char kPathSepChar;
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static char kPathSepChar;
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static FSRef kInvalidFSRef;
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static FSRef kRootFSRef;
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static FSRef kRootFSRef;
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};
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#endif // nsLocalFileMac_h__
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@ -343,9 +343,10 @@ xptiInterfaceInfoManager::BuildFileList(nsISupportsArray* aSearchPath,
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entries->GetNext(getter_AddRefs(sup));
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if(!sup)
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return PR_FALSE;
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nsCOMPtr<nsIFile> file = do_QueryInterface(sup);
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nsCOMPtr<nsILocalFile> file = do_QueryInterface(sup);
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if(!file)
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return PR_FALSE;
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file->SetFollowLinks(PR_FALSE);
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PRBool isFile;
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if(NS_FAILED(file->IsFile(&isFile)) || !isFile)
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@ -385,15 +386,21 @@ xptiInterfaceInfoManager::ReadXPTFile(nsILocalFile* aFile,
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XPTCursor cursor;
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PRInt32 flen;
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PRInt64 fileSize;
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PRBool saveFollowLinks;
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aFile->GetFollowLinks(&saveFollowLinks);
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aFile->SetFollowLinks(PR_TRUE);
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if(NS_FAILED(aFile->GetFileSize(&fileSize)) || !(flen = nsInt64(fileSize)))
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{
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aFile->SetFollowLinks(saveFollowLinks);
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return nsnull;
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}
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whole = new char[flen];
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if (!whole)
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{
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aFile->SetFollowLinks(saveFollowLinks);
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return nsnull;
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}
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@ -432,6 +439,7 @@ xptiInterfaceInfoManager::ReadXPTFile(nsILocalFile* aFile,
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XPT_DestroyXDRState(state);
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if(whole)
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delete [] whole;
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aFile->SetFollowLinks(saveFollowLinks);
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return header;
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}
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