static jint
com_android_internal_content_NativeLibraryHelper_hasRenderscriptBitcode(JNIEnv *env, jclass clazz,
jlong apkHandle) {
ZipFileRO* zipFile = reinterpret_cast<ZipFileRO*>(apkHandle);
void* cookie = NULL;
if (!zipFile->startIteration(&cookie)) {
return APK_SCAN_ERROR;
}
char fileName[PATH_MAX];
ZipEntryRO next = NULL;
while ((next = zipFile->nextEntry(cookie)) != NULL) {
if (zipFile->getEntryFileName(next, fileName, sizeof(fileName))) {
continue;
}
const size_t fileNameLen = strlen(fileName);
const char* lastSlash = strrchr(fileName, '/');
const char* baseName = (lastSlash == NULL) ? fileName : fileName + 1;
if (!strncmp(fileName + fileNameLen - RS_BITCODE_SUFFIX_LEN, RS_BITCODE_SUFFIX,
RS_BITCODE_SUFFIX_LEN) && isFilenameSafe(baseName)) {
zipFile->endIteration(cookie);
return BITCODE_PRESENT;
}
}
zipFile->endIteration(cookie);
return NO_BITCODE_PRESENT;
}
ZipEntryRO next() {
ZipEntryRO next = NULL;
while ((next = mZipFile->nextEntry(mCookie)) != NULL) {
// Make sure this entry has a filename.
if (mZipFile->getEntryFileName(next, fileName, sizeof(fileName))) {
continue;
}
// Make sure we're in the lib directory of the ZIP.
if (strncmp(fileName, APK_LIB, APK_LIB_LEN)) {
continue;
}
// Make sure the filename is at least to the minimum library name size.
const size_t fileNameLen = strlen(fileName);
static const size_t minLength = APK_LIB_LEN + 2 + LIB_PREFIX_LEN + 1 + LIB_SUFFIX_LEN;
if (fileNameLen < minLength) {
continue;
}
const char* lastSlash = strrchr(fileName, '/');
ALOG_ASSERT(lastSlash != NULL, "last slash was null somehow for %s\n", fileName);
// Exception: If we find the gdbserver binary, return it.
if (!strncmp(lastSlash + 1, GDBSERVER, GDBSERVER_LEN)) {
mLastSlash = lastSlash;
break;
}
// Make sure the filename starts with lib and ends with ".so".
if (strncmp(fileName + fileNameLen - LIB_SUFFIX_LEN, LIB_SUFFIX, LIB_SUFFIX_LEN)
|| strncmp(lastSlash, LIB_PREFIX, LIB_PREFIX_LEN)) {
continue;
}
// Make sure the filename is safe.
if (!isFilenameSafe(lastSlash + 1)) {
continue;
}
mLastSlash = lastSlash;
break;
}
return next;
}
static install_status_t
iterateOverNativeFiles(JNIEnv *env, jstring javaFilePath, jstring javaCpuAbi, jstring javaCpuAbi2,
iterFunc callFunc, void* callArg) {
ScopedUtfChars filePath(env, javaFilePath);
ScopedUtfChars cpuAbi(env, javaCpuAbi);
ScopedUtfChars cpuAbi2(env, javaCpuAbi2);
ZipFileRO zipFile;
if (zipFile.open(filePath.c_str()) != NO_ERROR) {
LOGI("Couldn't open APK %s\n", filePath.c_str());
return INSTALL_FAILED_INVALID_APK;
}
const int N = zipFile.getNumEntries();
char fileName[PATH_MAX];
bool hasPrimaryAbi = false;
for (int i = 0; i < N; i++) {
const ZipEntryRO entry = zipFile.findEntryByIndex(i);
if (entry == NULL) {
continue;
}
// Make sure this entry has a filename.
if (zipFile.getEntryFileName(entry, fileName, sizeof(fileName))) {
continue;
}
// Make sure we're in the lib directory of the ZIP.
if (strncmp(fileName, APK_LIB, APK_LIB_LEN)) {
continue;
}
// Make sure the filename is at least to the minimum library name size.
const size_t fileNameLen = strlen(fileName);
static const size_t minLength = APK_LIB_LEN + 2 + LIB_PREFIX_LEN + 1 + LIB_SUFFIX_LEN;
if (fileNameLen < minLength) {
continue;
}
const char* lastSlash = strrchr(fileName, '/');
LOG_ASSERT(lastSlash != NULL, "last slash was null somehow for %s\n", fileName);
// Check to make sure the CPU ABI of this file is one we support.
const char* cpuAbiOffset = fileName + APK_LIB_LEN;
const size_t cpuAbiRegionSize = lastSlash - cpuAbiOffset;
LOGV("Comparing ABIs %s and %s versus %s\n", cpuAbi.c_str(), cpuAbi2.c_str(), cpuAbiOffset);
if (cpuAbi.size() == cpuAbiRegionSize
&& *(cpuAbiOffset + cpuAbi.size()) == '/'
&& !strncmp(cpuAbiOffset, cpuAbi.c_str(), cpuAbiRegionSize)) {
LOGV("Using primary ABI %s\n", cpuAbi.c_str());
hasPrimaryAbi = true;
} else if (cpuAbi2.size() == cpuAbiRegionSize
&& *(cpuAbiOffset + cpuAbi2.size()) == '/'
&& !strncmp(cpuAbiOffset, cpuAbi2.c_str(), cpuAbiRegionSize)) {
/*
* If this library matches both the primary and secondary ABIs,
* only use the primary ABI.
*/
if (hasPrimaryAbi) {
LOGV("Already saw primary ABI, skipping secondary ABI %s\n", cpuAbi2.c_str());
continue;
} else {
LOGV("Using secondary ABI %s\n", cpuAbi2.c_str());
}
} else {
LOGV("abi didn't match anything: %s (end at %zd)\n", cpuAbiOffset, cpuAbiRegionSize);
continue;
}
// If this is a .so file, check to see if we need to copy it.
if ((!strncmp(fileName + fileNameLen - LIB_SUFFIX_LEN, LIB_SUFFIX, LIB_SUFFIX_LEN)
&& !strncmp(lastSlash, LIB_PREFIX, LIB_PREFIX_LEN)
&& isFilenameSafe(lastSlash + 1))
|| !strncmp(lastSlash + 1, GDBSERVER, GDBSERVER_LEN)) {
install_status_t ret = callFunc(env, callArg, &zipFile, entry, lastSlash + 1);
if (ret != INSTALL_SUCCEEDED) {
LOGV("Failure for entry %s", lastSlash + 1);
return ret;
}
}
}
return INSTALL_SUCCEEDED;
}
