/**
* Writes the contents of the given buffer into the given file.
*
* Note that if the length of the input buffer is zero or less,
* the file will be truncated.
*
* @param ppszError pointer to character string pointer to accept an error
* @param pFileName file to write
* @param inBuffer buffer with data that will be stored
* @param inBufferLen length of the inBuffer
*
* @return status code (ALL_OK if there was no errors)
*/
MIDPError
write_file(char** ppszError, const pcsl_string* pFileName,
char* inBuffer, long inBufferLen) {
int handle, status = ALL_OK;
char* pszTemp;
pcsl_string tmpFileName;
pcsl_string_status rc;
*ppszError = NULL;
/* get the name of the temporary file */
rc = pcsl_string_cat(pFileName, &TMP_FILE_EXTENSION, &tmpFileName);
if (rc != PCSL_STRING_OK) {
return OUT_OF_MEMORY;
}
/* open the file */
handle = storage_open(ppszError, &tmpFileName, OPEN_READ_WRITE_TRUNCATE);
if (*ppszError != NULL) {
pcsl_string_free(&tmpFileName);
return IO_ERROR;
}
/* write the whole buffer */
if (inBufferLen > 0) {
storageWrite(ppszError, handle, inBuffer, inBufferLen);
}
if (*ppszError != NULL) {
status = IO_ERROR;
}
/* close the file */
storageClose(&pszTemp, handle);
storageFreeError(pszTemp);
if (status == ALL_OK) {
/* rename the temporary file */
storage_rename_file(ppszError, &tmpFileName, pFileName);
if (*ppszError != NULL) {
status = IO_ERROR;
storage_delete_file(&pszTemp, &tmpFileName);
storageFreeError(pszTemp);
}
} else {
storage_delete_file(&pszTemp, &tmpFileName);
storageFreeError(pszTemp);
}
pcsl_string_free(&tmpFileName);
return (MIDPError)status;
}
/**
* Moves a software package with given suite ID to the specified storage.
*
* @param suiteId suite ID for the installed package
* @param storageId new storage ID
*
* @return SUITE_LOCKED if the
* suite is locked, NOT_FOUND if the suite cannot be found or
* invalid storage ID specified, BAD_PARAMS if attempt is made
* to move suite to the external storage, GENERAL_ERROR if
* VERIFY_ONCE is not enabled and if MONET is enabled
*/
MIDPError
midp_change_suite_storage(SuiteIdType suiteId, StorageIdType newStorageId) {
#ifndef VERIFY_ONCE
(void)suiteId;
(void)newStorageId;
return GENERAL_ERROR;
#else
/*
* if VERIFY_ONCE is enabled then MONET is disabled
* so we don't have to check ENABLE_MONET.
*/
{
pcsl_string suiteRoot;
MidletSuiteData* pData = NULL;
int status;
void* fileIteratorHandle = NULL;
lockStorageList *node = NULL;
if ((UNUSED_STORAGE_ID == newStorageId) ||
(newStorageId >= MAX_STORAGE_NUM)) {
return BAD_PARAMS;
}
/*
* IMPL_NOTE: for security reasons we allow to move suite
* only to the internal storage.
*/
if (newStorageId != INTERNAL_STORAGE_ID) {
return BAD_PARAMS;
}
node = find_storage_lock(suiteId);
if (node != NULL) {
if (node->update != KNI_TRUE) {
return SUITE_LOCKED;
}
}
/*
* This is a public API which can be called without the VM running
* so we need automatically init anything needed, to make the
* caller's code less complex.
*
* Initialization is performed in steps so that we do use any
* extra resources such as the VM for the operation being performed.
*/
if (midpInit(REMOVE_LEVEL) != 0) {
remove_storage_lock(suiteId);
return OUT_OF_MEMORY;
}
/* check that the suite exists and it is not a preloaded one */
pData = get_suite_data(suiteId);
if (pData == NULL) {
remove_storage_lock(suiteId);
return NOT_FOUND;
}
if (pData->storageId == newStorageId) {
remove_storage_lock(suiteId);
return BAD_PARAMS;
}
if (pData->type == COMPONENT_PREINSTALLED_SUITE) {
remove_storage_lock(suiteId);
return BAD_PARAMS;
}
do {
jsize oldRootLength;
jsize newRootLength;
const pcsl_string* newRoot;
const pcsl_string* oldRoot;
char* pszError = NULL;
pcsl_string filePath;
pcsl_string newFilePath;
status = begin_transaction(TRANSACTION_CHANGE_STORAGE, suiteId, NULL);
if (status != ALL_OK) {
break;
}
if ((status = get_suite_storage_root(suiteId, &suiteRoot)) != ALL_OK) {
break;
}
fileIteratorHandle = storage_open_file_iterator(&suiteRoot);
if (!fileIteratorHandle) {
status = IO_ERROR;
break;
}
newRoot = storage_get_root(newStorageId);
oldRoot = storage_get_root(pData->storageId);
newRootLength = pcsl_string_length(newRoot);
oldRootLength = pcsl_string_length(oldRoot);
status = ALL_OK;
if ((status = midp_suite_get_class_path(suiteId,
pData->storageId, KNI_FALSE, &filePath)) != ALL_OK) {
break;
}
if ((status = midp_suite_get_class_path(suiteId,
newStorageId, KNI_FALSE, &newFilePath)) != ALL_OK) {
break;
}
storage_rename_file(&pszError, &filePath, &newFilePath);
if (pszError != NULL) {
status = IO_ERROR;
storageFreeError(pszError);
pcsl_string_free(&filePath);
pcsl_string_free(&newFilePath);
break;
}
pcsl_string_free(&filePath);
pcsl_string_free(&newFilePath);
#if ENABLE_IMAGE_CACHE
moveImageCache(suiteId, pData->storageId, newStorageId);
#endif
pData->storageId = newStorageId;
status = write_suites_data(&pszError);
storageFreeError(pszError);
} while (0);
pcsl_string_free(&suiteRoot);
storageCloseFileIterator(fileIteratorHandle);
if (status != ALL_OK) {
(void)rollback_transaction();
} else {
(void)finish_transaction();
}
remove_storage_lock(suiteId);
return status;
}
#endif /* VERIFY_ONCE */
}
