Fix for bug 113927. Remove use of nsIFileSpec's when reading preferences files. r=alecf, sr=sfraser.

This commit is contained in:
bnesse%netscape.com 2001-12-11 22:19:53 +00:00
Родитель 8435bc1af2
Коммит e16686b028
1 изменённых файлов: 98 добавлений и 163 удалений

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@ -40,6 +40,7 @@
#include "jsapi.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsDirectoryServiceDefs.h"
#include "nsIFileStreams.h"
#include "nsIObserverService.h"
#include "nsPrefBranch.h"
#include "nsXPIDLString.h"
@ -72,8 +73,6 @@ class nsIFileSpec; // needed for prefapi_private_data.h inclusion
static nsresult nsIFileToFileSpec(nsIFile* inFile, nsIFileSpec **aFileSpec);
static nsresult openPrefFile(nsIFile* aFile, PRBool aIsErrorFatal, PRBool aVerifyHash,
PRBool aIsGlobalContext, PRBool aSkipFirstLine);
static nsresult openPrefFileSpec(nsIFileSpec* aFilespec, PRBool aIsErrorFatal, PRBool aVerifyHash,
PRBool aIsGlobalContext, PRBool aSkipFirstLine);
static nsresult savePrefFile(nsIFile* aFile);
@ -424,74 +423,58 @@ nsresult nsPrefService::useUserPrefFile()
static nsresult openPrefFile(nsIFile* aFile, PRBool aIsErrorFatal, PRBool aVerifyHash,
PRBool aIsGlobalContext, PRBool aSkipFirstLine)
{
nsCOMPtr<nsIFileSpec> fileSpec;
nsCOMPtr<nsIInputStream> inStr;
char *readBuf;
PRInt64 llFileSize;
PRUint32 fileSize;
nsresult rv;
rv = nsIFileToFileSpec(aFile, getter_AddRefs(fileSpec));
if (NS_SUCCEEDED(rv)) {
JS_BeginRequest(gMochaContext);
rv = openPrefFileSpec(fileSpec, aIsErrorFatal, aVerifyHash, aIsGlobalContext, aSkipFirstLine);
JS_EndRequest(gMochaContext);
}
return rv;
}
static nsresult openPrefFileSpec(nsIFileSpec* aFilespec, PRBool aIsErrorFatal, PRBool aVerifyHash,
PRBool aIsGlobalContext, PRBool aSkipFirstLine)
{
nsresult rv;
char* readBuf;
#if MOZ_TIMELINE
nsXPIDLCString str;
aFilespec->GetNativePath(getter_Copies(str));
NS_TIMELINE_MARK_FUNCTION1("load pref file", str.get());
{
nsXPIDLCString str;
aFile->GetPath(getter_Copies(str));
NS_TIMELINE_MARK_FUNCTION1("load pref file", str.get());
}
#endif
// TODO: Validate this entire function, I seriously doubt it does what it is
// supposed to. Note for instance that gErrorOpeningUserPrefs will only
// be set if the evaluation of the config script fails AND aIsErrorFatal
// is set to PR_TRUE... the readBuf test is irrelavent because it will
// bail at the GetFileContents call if it fails.
rv = aFile->GetFileSize(&llFileSize);
if (NS_FAILED(rv))
return rv;
LL_L2UI(fileSize, llFileSize); // Converting 64 bit structure to unsigned int
// TODO: Convert the rest of this code to nsIFile and avoid this conversion to nsIFileSpec
rv = aFilespec->ResolveSymlink();
rv = NS_NewLocalFileInputStream(getter_AddRefs(inStr), aFile);
if (NS_FAILED(rv))
return rv;
if (!Exists(aFilespec))
return NS_ERROR_FILE_NOT_FOUND;
readBuf = (char *)PR_Malloc(fileSize);
if (!readBuf)
return NS_ERROR_OUT_OF_MEMORY;
rv = aFilespec->GetFileContents(&readBuf);
if (NS_FAILED(rv))
return rv;
long fileLength = PL_strlen(readBuf);
if (aVerifyHash) {
const int obscure_value = 13;
// Unobscure file by subtracting some value from every char - old value was 7
long i;
for (i = 0; i < fileLength; i++)
readBuf[i] -= obscure_value;
}
JS_BeginRequest(gMochaContext);
PRUint32 amtRead = 0;
rv = inStr->Read(readBuf, fileSize, &amtRead);
NS_ASSERTION((amtRead == fileSize), "failed to read the entire prefs file!!");
if (NS_SUCCEEDED(rv)) {
if (!PREF_EvaluateConfigScript(readBuf, fileLength, nsnull, aIsGlobalContext, PR_TRUE,
if (aVerifyHash) {
// Unobscure file by subtracting some value from every char - old value was 7
const int obscure_value = 13;
for (PRUint32 i = 0; i < amtRead; i++)
readBuf[i] -= obscure_value;
}
if (!PREF_EvaluateConfigScript(readBuf, amtRead, nsnull, aIsGlobalContext, PR_TRUE,
aSkipFirstLine))
{
rv = NS_ERROR_FAILURE;
if (aVerifyHash) {
PR_Free(readBuf);
return rv;
}
if (aIsErrorFatal)
// If the user prefs file exists but generates an error,
// don't clobber the file when we try to save it
gErrorOpeningUserPrefs = PR_TRUE;
}
}
PR_Free(readBuf);
// If the user prefs file exists but generates an error,
// don't clobber the file when we try to save it
if ((!readBuf || rv != NS_OK) && aIsErrorFatal)
gErrorOpeningUserPrefs = PR_TRUE;
JS_EndRequest(gMochaContext);
return rv;
}
@ -575,8 +558,8 @@ inplaceSortCallback(const void *data1, const void *data2, void *privateData)
{
char *name1 = nsnull;
char *name2 = nsnull;
nsIFileSpec *file1= *(nsIFileSpec **)data1;
nsIFileSpec *file2= *(nsIFileSpec **)data2;
nsIFile *file1= *(nsIFile **)data1;
nsIFile *file2= *(nsIFile **)data2;
nsresult rv;
int sortResult = 0;
@ -606,17 +589,10 @@ extern "C" JSBool pref_InitInitialObjects()
// appropriate TEXT resources
//----------------------------------------------------------------------------------------
{
nsresult rv;
PRBool exists;
nsCOMPtr<nsIFile> aFile;
nsCOMPtr <nsIFileSpec> defaultPrefDir;
rv = NS_GetSpecialDirectory(NS_APP_PREF_DEFAULTS_50_DIR, getter_AddRefs(aFile));
if (NS_FAILED(rv))
return JS_FALSE;
rv = nsIFileToFileSpec(aFile, getter_AddRefs(defaultPrefDir));
if (NS_FAILED(rv))
return JS_FALSE;
nsCOMPtr<nsIFile> defaultPrefDir;
nsresult rv;
PRBool hasMoreElements;
static const char* specialFiles[] = {
"initpref.js"
@ -640,138 +616,97 @@ extern "C" JSBool pref_InitInitialObjects()
#endif
};
int k=0;
nsIFileSpec **defaultPrefFiles = (nsIFileSpec **)nsMemory::Alloc(INITIAL_MAX_DEFAULT_PREF_FILES * sizeof(nsIFileSpec *));
rv = NS_GetSpecialDirectory(NS_APP_PREF_DEFAULTS_50_DIR, getter_AddRefs(defaultPrefDir));
if (NS_FAILED(rv))
return JS_FALSE;
nsIFile **defaultPrefFiles = (nsIFile **)nsMemory::Alloc(INITIAL_MAX_DEFAULT_PREF_FILES * sizeof(nsIFile *));
int maxDefaultPrefFiles = INITIAL_MAX_DEFAULT_PREF_FILES;
int numFiles = 0;
// Parse all the random files that happen to be in the components directory.
nsCOMPtr<nsIDirectoryIterator> dirIterator;
rv = nsComponentManager::CreateInstance(
(const char*)NS_DIRECTORYITERATOR_CONTRACTID,
(nsISupports*)nsnull,
(const nsID&)NS_GET_IID(nsIDirectoryIterator),
getter_AddRefs(dirIterator));
NS_ASSERTION(NS_SUCCEEDED(rv), "ERROR: Could not make a directory iterator.");
if (!dirIterator || NS_FAILED(dirIterator->Init(defaultPrefDir, PR_TRUE)))
return JS_FALSE;
// Get any old child of the components directory. Warning: aliases get resolved, so
// SetLeafName will not work here.
nsCOMPtr<nsIFile> aFile2;
rv = NS_GetSpecialDirectory(NS_APP_PREF_DEFAULTS_50_DIR, getter_AddRefs(aFile2));
if (NS_FAILED(rv))
return JS_TRUE;
rv = aFile2->Append((char *)specialFiles[0]);
if (NS_FAILED(rv))
return JS_TRUE;
if (NS_FAILED(aFile2->Exists(&exists)))
{
nsCOMPtr<nsISimpleEnumerator> dirIterator;
rv = defaultPrefDir->GetDirectoryEntries(getter_AddRefs(dirIterator));
if (!dirIterator) {
NS_ASSERTION(NS_SUCCEEDED(rv), "ERROR: Could not make a directory iterator.");
return JS_FALSE;
}
if (exists)
{
rv = openPrefFile(aFile2, PR_FALSE, PR_FALSE, PR_FALSE, PR_FALSE);
NS_ASSERTION(NS_SUCCEEDED(rv), "initpref.js not parsed successfully");
dirIterator->HasMoreElements(&hasMoreElements);
if (!hasMoreElements) {
NS_ASSERTION(NS_SUCCEEDED(rv), "ERROR: Prefs directory is empty.");
return JS_FALSE;
}
// Read in initpref.js.
// Warning: aliases get resolved, so SetLeafName will not work here.
rv = defaultPrefDir->Clone(getter_AddRefs(aFile));
if (NS_FAILED(rv))
return JS_FALSE;
rv = aFile->Append((char *)specialFiles[0]);
if (NS_FAILED(rv))
return JS_FALSE;
rv = openPrefFile(aFile, PR_FALSE, PR_FALSE, PR_FALSE, PR_FALSE);
NS_ASSERTION(NS_SUCCEEDED(rv), "initpref.js not parsed successfully");
// Keep this child
#ifdef DEBUG_prefs
printf("Parsing default JS files.\n");
#endif /* DEBUG_prefs */
for (; Exists(dirIterator); dirIterator->Next())
{
nsCOMPtr<nsIFileSpec> child;
while (hasMoreElements) {
PRBool shouldParse = PR_TRUE;
if NS_FAILED(dirIterator->GetCurrentSpec(getter_AddRefs(child)))
continue;
char* leafName;
rv = child->GetLeafName(&leafName);
if (NS_SUCCEEDED(rv))
{
dirIterator->GetNext(getter_AddRefs(aFile));
dirIterator->HasMoreElements(&hasMoreElements);
rv = aFile->GetLeafName(&leafName);
if (NS_SUCCEEDED(rv)) {
// Skip non-js files
if (PL_strstr(leafName, ".js") + PL_strlen(".js") != leafName + PL_strlen(leafName))
shouldParse = PR_FALSE;
// Skip files in the special list.
if (shouldParse)
{
for (int j = 0; j < (int) (sizeof(specialFiles) / sizeof(char*)); j++)
if (PL_strcmp(leafName, specialFiles[j]) == 0)
if (shouldParse) {
for (int j = 0; j < (int) (sizeof(specialFiles) / sizeof(char *)); j++)
if (!PL_strcmp(leafName, specialFiles[j]))
shouldParse = PR_FALSE;
}
if (shouldParse)
{
#ifdef DEBUG_prefs
printf("Adding %s to the list to be sorted\n", leafName);
#endif /* DEBUG_prefs */
rv = NS_NewFileSpec(&(defaultPrefFiles[numFiles]));
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to create a file spec");
if (NS_SUCCEEDED(rv) && defaultPrefFiles[numFiles]) {
rv = defaultPrefFiles[numFiles]->FromFileSpec(child);
NS_ASSERTION(NS_SUCCEEDED(rv),"failed to set the spec");
if (NS_SUCCEEDED(rv)) {
numFiles++;
}
if (shouldParse) {
rv = aFile->Clone(&(defaultPrefFiles[numFiles]));
if NS_SUCCEEDED(rv) {
++numFiles;
if (numFiles == maxDefaultPrefFiles) {
// double the size of the array
maxDefaultPrefFiles *= 2;
defaultPrefFiles = (nsIFileSpec **)nsMemory::Realloc(defaultPrefFiles, maxDefaultPrefFiles * sizeof(nsIFileSpec *));
defaultPrefFiles = (nsIFile **)nsMemory::Realloc(defaultPrefFiles, maxDefaultPrefFiles * sizeof(nsIFile *));
}
}
}
if (leafName) nsCRT::free((char*)leafName);
if (leafName)
nsCRT::free((char*)leafName);
}
}
#ifdef DEBUG_prefs
printf("Sort defaultPrefFiles. we need them sorted so all-ns.js will override all.js (where override == parsed later)\n");
#endif /* DEBUG_prefs */
NS_QuickSort((void *)defaultPrefFiles, numFiles,sizeof(nsIFileSpec *), inplaceSortCallback, nsnull);
};
for (k=0;k<numFiles;k++) {
char* currentLeafName = nsnull;
if (defaultPrefFiles[k]) {
rv = defaultPrefFiles[k]->GetLeafName(&currentLeafName);
#ifdef DEBUG_prefs
printf("Parsing %s\n", currentLeafName);
#endif /* DEBUG_prefs */
if (currentLeafName) nsCRT::free((char*)currentLeafName);
NS_QuickSort((void *)defaultPrefFiles, numFiles, sizeof(nsIFile *), inplaceSortCallback, nsnull);
if (NS_SUCCEEDED(rv)) {
rv = openPrefFileSpec(defaultPrefFiles[k], PR_FALSE, PR_FALSE, PR_FALSE, PR_FALSE);
NS_ASSERTION(NS_SUCCEEDED(rv), "Config file not parsed successfully");
}
}
}
for (k=0;k<numFiles;k++) {
NS_IF_RELEASE(defaultPrefFiles[k]);
int k;
for (k = 0; k < numFiles; k++) {
rv = openPrefFile(defaultPrefFiles[k], PR_FALSE, PR_FALSE, PR_FALSE, PR_FALSE);
NS_ASSERTION(NS_SUCCEEDED(rv), "Config file not parsed successfully");
NS_RELEASE(defaultPrefFiles[k]);
}
nsMemory::Free(defaultPrefFiles);
defaultPrefFiles = nsnull;
#ifdef DEBUG_prefs
printf("Parsing platform-specific JS files.\n");
#endif /* DEBUG_prefs */
nsCOMPtr<nsIFile> aFile3;
// Finally, parse any other special files (platform-specific ones).
for (k = 1; k < (int) (sizeof(specialFiles) / sizeof(char*)); k++) {
for (k = 1; k < (int) (sizeof(specialFiles) / sizeof(char *)); k++) {
// we must get the directory every time so we can append the child
// because SetLeafName will not work here.
rv = NS_GetSpecialDirectory(NS_APP_PREF_DEFAULTS_50_DIR, getter_AddRefs(aFile3));
rv = defaultPrefDir->Clone(getter_AddRefs(aFile));
if (NS_SUCCEEDED(rv)) {
rv = aFile3->Append((char*)specialFiles[k]);
rv = aFile->Append((char*)specialFiles[k]);
if (NS_SUCCEEDED(rv)) {
#ifdef DEBUG_prefs
printf("Parsing %s\n", specialFiles[k]);
#endif /* DEBUG_prefs */
if (NS_SUCCEEDED(aFile3->Exists(&exists)) && exists) {
rv = openPrefFile(aFile3, PR_FALSE, PR_FALSE, PR_FALSE, PR_FALSE);
NS_ASSERTION(NS_SUCCEEDED(rv), "<platform>.js was not parsed successfully");
}
rv = openPrefFile(aFile, PR_FALSE, PR_FALSE, PR_FALSE, PR_FALSE);
NS_ASSERTION(NS_SUCCEEDED(rv), "<platform>.js was not parsed successfully");
}
}
}