Example #1
0
File: zip.c Project: freeVM/freeVM
JNIEXPORT jint JNICALL
Java_java_util_zip_ZipFile_openZipImpl (JNIEnv * env, jobject recv,
                                        jbyteArray zipName)
{
  VMI_ACCESS_FROM_ENV (env);
  PORT_ACCESS_FROM_ENV (env);

  I_32 retval;
  JCLZipFile *jclZipFile;
  JCLZipFileLink *zipfileHandles;
  jsize length;
  char pathCopy[HyMaxPath];
  HyZipCachePool *zipCachePool;

  jclZipFile = jclmem_allocate_memory (env, sizeof (*jclZipFile));
  if (!jclZipFile)
    return 3;

  length = (*env)->GetArrayLength (env, zipName);
  length = length < HyMaxPath - 1 ? length : HyMaxPath - 1;
  ((*env)->GetByteArrayRegion (env, zipName, 0, length, pathCopy));
  pathCopy[length++] = '\0';
  ioh_convertToPlatform (pathCopy);

  /* Open the zip file (caching will be managed automatically by zipsup) */
  zipCachePool = (*VMI)->GetZipCachePool (VMI);
  retval =
    zip_openZipFile (privatePortLibrary, pathCopy, &(jclZipFile->hyZipFile),
                     zipCachePool);

  if (retval)
    {
      jclmem_free_memory (env, jclZipFile);     /* free on fail */

      if (retval == ZIP_ERR_FILE_OPEN_ERROR)
        return 1;
      else
        return 2;
    }

  /* Add the zipFile we just allocated to the list of zip files -- we will
   * free this on UnLoad if its not already free'd.
   */
  zipfileHandles = JCL_CACHE_GET (env, zipfile_handles);
  jclZipFile->last = (JCLZipFile *) zipfileHandles;
  jclZipFile->next = zipfileHandles->next;
  if (zipfileHandles->next != NULL)
    zipfileHandles->next->last = jclZipFile;
  zipfileHandles->next = jclZipFile;

  (*env)->SetLongField (env, recv,
                        JCL_CACHE_GET (env,
                                       FID_java_util_zip_ZipFile_descriptor),
			            ((IDATA) jclZipFile));
  return 0;
}
Example #2
0
char* Read_Manifest(JavaVM *vm, JNIEnv *env,const char *jar_name){
    I_32 retval;
#ifndef HY_ZIP_API
    HyZipFile zipFile;
    HyZipEntry zipEntry;
#else
    VMIZipFile zipFile;
    VMIZipEntry zipEntry;
#endif
    char *result;
    int size = 0;
    char errorMessage[1024];

    /* Reach for the VM interface */
    VMI_ACCESS_FROM_JAVAVM(vm);
    PORT_ACCESS_FROM_JAVAVM(vm);

#ifdef HY_ZIP_API
    VMIZipFunctionTable *zipFuncs = (*VMI)->GetZipFunctions(VMI);

#endif /* HY_ZIP_API */
    /* open zip file */
#ifndef HY_ZIP_API
    retval = zip_openZipFile(privatePortLibrary, (char *)jar_name, &zipFile, NULL);
#else /* HY_ZIP_API */
    retval = zipFuncs->zip_openZipFile(VMI, (char *)jar_name, &zipFile, 0);
#endif /* HY_ZIP_API */
    if(retval){
        sprintf(errorMessage,"failed to open file:%s, %d\n", jar_name, retval);
        (*env)->FatalError(env, errorMessage);
        return NULL;
    }

    /* get manifest entry */
#ifndef HY_ZIP_API
    zip_initZipEntry(privatePortLibrary, &zipEntry);
    retval = zip_getZipEntry(privatePortLibrary, &zipFile, &zipEntry, "META-INF/MANIFEST.MF", TRUE);
#else /* HY_ZIP_API */
    zipFuncs->zip_initZipEntry(VMI, &zipEntry);
    retval = zipFuncs->zip_getZipEntry(VMI, &zipFile, &zipEntry, "META-INF/MANIFEST.MF", ZIP_FLAG_READ_DATA_POINTER);
#endif /* HY_ZIP_API */
    if (retval) {
#ifndef HY_ZIP_API
        zip_freeZipEntry(PORTLIB, &zipEntry);
#else /* HY_ZIP_API */
        zipFuncs->zip_freeZipEntry(VMI, &zipEntry);
#endif /* HY_ZIP_API */
        sprintf(errorMessage,"failed to get entry: %d\n", retval);
        (*env)->FatalError(env, errorMessage);
        return NULL;
    }

    /* read bytes */
    size = zipEntry.uncompressedSize;
    result = (char *)hymem_allocate_memory(size*sizeof(char) + 1);
#ifndef HY_ZIP_API
    retval = zip_getZipEntryData(privatePortLibrary, &zipFile, &zipEntry, (unsigned char*)result, size);
#else /* HY_ZIP_API */
    retval = zipFuncs->zip_getZipEntryData(VMI, &zipFile, &zipEntry, (unsigned char*)result, size);
#endif /* HY_ZIP_API */
    if(retval){
#ifndef HY_ZIP_API
        zip_freeZipEntry(PORTLIB, &zipEntry);
#else /* HY_ZIP_API */
        zipFuncs->zip_freeZipEntry(VMI, &zipEntry);
#endif /* HY_ZIP_API */
        sprintf(errorMessage,"failed to get bytes from zip entry, %d\n", zipEntry.extraFieldLength);
        (*env)->FatalError(env, errorMessage);
        return NULL;
    }

    result[size] = '\0';
    /* free resource */
#ifndef HY_ZIP_API
    zip_freeZipEntry(privatePortLibrary, &zipEntry);
    retval = zip_closeZipFile(privatePortLibrary, &zipFile);
#else /* HY_ZIP_API */
    zipFuncs->zip_freeZipEntry(VMI, &zipEntry);
    retval = zipFuncs->zip_closeZipFile(VMI, &zipFile);
#endif /* HY_ZIP_API */
    if (retval) {
        sprintf(errorMessage,"failed to close zip file: %s, %d\n", jar_name, retval);
        (*env)->FatalError(env, errorMessage);
        return NULL;
    }
    return result;
}