JNIEXPORT void JNICALL Java_org_clearsilver_HDF__1setSymLink(
JNIEnv *env, jclass objClass,
jint hdf_obj_ptr, jstring j_hdf_name_src, jstring j_hdf_name_dest) {
HDF *hdf = (HDF *)hdf_obj_ptr;
NEOERR *err;
const char *hdf_name_src;
const char *hdf_name_dest;
if (!j_hdf_name_src) {
throwNullPointerException(env, "hdf_name_src argument was null");
return;
}
hdf_name_src = (*env)->GetStringUTFChars(env, j_hdf_name_src, 0);
if (!j_hdf_name_dest) {
throwNullPointerException(env, "hdf_name_dest argument was null");
return;
}
hdf_name_dest = (*env)->GetStringUTFChars(env, j_hdf_name_dest, 0);
err = hdf_set_symlink(hdf, hdf_name_src, hdf_name_dest);
(*env)->ReleaseStringUTFChars(env, j_hdf_name_src, hdf_name_src);
(*env)->ReleaseStringUTFChars(env, j_hdf_name_dest, hdf_name_dest);
if (err != STATUS_OK) {
// Throw an exception
jNeoErr(env, err);
}
}
JNIEXPORT void JNICALL Java_org_clearsilver_HDF__1setValue(
JNIEnv *env, jclass objClass,
jint hdf_obj_ptr, jstring j_hdfname, jstring j_value) {
HDF *hdf = (HDF *)hdf_obj_ptr;
NEOERR *err;
const char *hdfname;
const char *value;
if (!j_hdfname) {
throwNullPointerException(env, "hdfname argument was null");
return;
}
hdfname = (*env)->GetStringUTFChars(env, j_hdfname, 0);
if (j_value) {
value = (*env)->GetStringUTFChars(env, j_value, 0);
} else {
value = NULL;
}
err = hdf_set_value(hdf, hdfname, value);
(*env)->ReleaseStringUTFChars(env, j_hdfname, hdfname);
if (value) {
(*env)->ReleaseStringUTFChars(env, j_value, value);
}
if (err != STATUS_OK) {
// Throw an exception
jNeoErr(env, err);
}
}
JNIEXPORT jstring JNICALL Java_org_clearsilver_HDF__1getValue(
JNIEnv *env, jclass objClass, jint hdf_obj_ptr, jstring j_hdfname,
jstring j_default_value) {
HDF *hdf = (HDF *)hdf_obj_ptr;
const char *r;
const char *hdfname;
const char *default_value;
jstring retval;
if (!j_hdfname) {
throwNullPointerException(env, "hdfname argument was null");
return 0;
}
hdfname = (*env)->GetStringUTFChars(env,j_hdfname,0);
if (!j_default_value) {
default_value = NULL;
} else {
default_value = (*env)->GetStringUTFChars(env, j_default_value, 0);
}
r = hdf_get_value(hdf, hdfname, default_value);
(*env)->ReleaseStringUTFChars(env, j_hdfname, hdfname);
retval = (r ? (*env)->NewStringUTF(env, r) : 0);
if (default_value) {
(*env)->ReleaseStringUTFChars(env, j_default_value, default_value);
}
return retval;
}
const methodInClass* getVirtualMethodEntry(u2 cp_index) {
BEGIN;
int linkId;
const memberReference* mref = lookupMethodReference(context.classIndex, cp_index);
linkId = mref->linkId;
u2 argCount = mref->numberOfArguments;
// Find the class (-id) on which the referenced method shall be invoked:
stackable st;
getOperandRelativeToStackPointer((s1) (-argCount), &st);
VALIDATE_TYPE(st.type, OBJECTREF);
jobject jref = st.operand.jref;
const methodInClass* mic;
if (jref == 0) {
mic = NULL;
throwNullPointerException();
} else {
mic = getVirtualMethodEntryByLinkId(jref, linkId);
}
END;
return mic;
}
jobjectArray InetAddress_getallbyname(JNIEnv* env, jobject obj,
jstring javaName,
jboolean preferIPv4Stack)
{
if (javaName == NULL) {
throwNullPointerException(env);
return NULL;
}
const char* name = env->GetStringUTFChars(javaName, NULL);
jobjectArray out = NULL;
char useAdbNetworkingProperty[PROPERTY_VALUE_MAX];
char adbConnected[PROPERTY_VALUE_MAX];
property_get("android.net.use-adb-networking",
useAdbNetworkingProperty, "");
property_get("adb.connected",
adbConnected, "");
// Any non-empty string value for use-adb-networking is considered "set"
if ((strlen(useAdbNetworkingProperty) > 0)
&& (strlen(adbConnected) > 0) ) {
out = getAllByNameUsingAdb(env, name);
} else {
out = getAllByNameUsingDns(env, name, preferIPv4Stack);
}
if (!out) {
LOGI("Unknown host %s, throwing UnknownHostException", name);
jniThrowException(env, "java/net/UnknownHostException", name);
}
env->ReleaseStringUTFChars(javaName, name);
return out;
}
w_int RandomAccessFile_readIntoBuffer (JNIEnv *env, w_instance thisRAF, w_instance buffer, w_int offset, w_int length) {
vfs_FILE *file;
w_int result;
w_sbyte *bytes;
w_sbyte *data;
if ((offset < 0) || (offset > instance2Array_length(buffer) - length)) {
throwArrayIndexOutOfBoundsException(JNIEnv2w_thread(env));
return -1;
}
bytes = instance2Array_byte(buffer);
file = RAF2FILE(thisRAF);
if(file == NULL) {
throwNullPointerException(JNIEnv2w_thread(env));
result = 0;
} else {
data = bytes + offset;
result = vfs_fread(data, 1, (w_word)length, file);
if(result == 0) result = -1;
}
return result;
}
void RandomAccessFile_setLength (JNIEnv *env, w_instance thisRAF, w_long newlen) {
w_instance fd_obj;
vfs_FILE *file;
fd_obj = getReferenceField(thisRAF, F_RandomAccessFile_fd);
file = getWotsitField(fd_obj, F_FileDescriptor_fd);
if(file == NULL) {
throwNullPointerException(JNIEnv2w_thread(env));
} else {
char *pathname;
w_long oldptr;
pathname = getFDName(fd_obj);
oldptr = vfs_ftell(file);
if(vfs_truncate(pathname, newlen) == -1) {
throwIOException(JNIEnv2w_thread(env));
}
freeFDName(pathname);
if(newlen < oldptr && vfs_fseek(file, newlen, SEEK_SET) == -1) {
throwIOException(JNIEnv2w_thread(env));
}
}
}
void *findFunction(JNIEnv *env, void *hModule, char *functionName) {
void *fAddress = dlsym(hModule, functionName);
if (fAddress == NULL) {
char errorMessage[256];
snprintf(errorMessage, sizeof(errorMessage), "Symbol not found: %s", functionName);
throwNullPointerException(env, errorMessage);
return NULL;
}
return fAddress;
}
void RandomAccessFile_seek (JNIEnv *env, w_instance thisRAF, w_long pos) {
vfs_FILE *file;
file = RAF2FILE(thisRAF);
if(file == NULL) {
throwNullPointerException(JNIEnv2w_thread(env));
} else {
if(vfs_fseek(file, (long)pos, SEEK_SET) == -1) {
throwIOException(JNIEnv2w_thread(env));
}
}
}
/*
* public static native void EVP_VerifyUpdate(int, byte[], int, int)
*/
static void NativeCrypto_EVP_VerifyUpdate(JNIEnv* env, jclass clazz, EVP_MD_CTX* ctx, jbyteArray buffer, jint offset, jint length) {
// LOGI("NativeCrypto_EVP_VerifyUpdate %x, %x, %d, %d", ctx, buffer, offset, length);
if (ctx == NULL || buffer == NULL) {
throwNullPointerException(env);
return;
}
jbyte* bufferBytes = env->GetByteArrayElements(buffer, NULL);
EVP_VerifyUpdate(ctx, (unsigned char*) (bufferBytes + offset), length);
env->ReleaseByteArrayElements(buffer, bufferBytes, JNI_ABORT);
throwExceptionIfNecessary(env);
}
/*
* public static native void EVP_DigestReset(int)
*/
static jint NativeCrypto_EVP_DigestBlockSize(JNIEnv* env, jclass clazz, EVP_MD_CTX* ctx) {
// LOGI("NativeCrypto_EVP_DigestBlockSize");
if (ctx == NULL) {
throwNullPointerException(env);
return -1;
}
int result = EVP_MD_CTX_block_size(ctx);
throwExceptionIfNecessary(env);
return result;
}
void RandomAccessFile_write (JNIEnv *env, w_instance thisRAF, w_int oneByte) {
vfs_FILE *file;
w_sbyte minibuf = oneByte;
file = RAF2FILE(thisRAF);
if(file == NULL) {
throwNullPointerException(JNIEnv2w_thread(env));
} else {
vfs_fseek(file, vfs_ftell(file), SEEK_SET);
vfs_fwrite(&minibuf, 1, 1, file);
vfs_fflush(file);
}
}
w_long RandomAccessFile_getFilePointer (JNIEnv *env, w_instance thisRAF) {
vfs_FILE *file;
w_long result = -1;
file = RAF2FILE(thisRAF);
if(file == NULL) {
throwNullPointerException(JNIEnv2w_thread(env));
result = 0;
} else {
result = vfs_ftell(file);
}
return result;
}
w_int RandomAccessFile_skipBytes (JNIEnv *env, w_instance thisRAF, w_int n) {
w_thread thread = JNIEnv2w_thread(env);
w_instance fd_obj;
vfs_FILE *file;
w_long result = 0;
w_long prev_pos;
fd_obj = getReferenceField(thisRAF, F_RandomAccessFile_fd);
file = getWotsitField(fd_obj, F_FileDescriptor_fd);
if (file == NULL) {
throwNullPointerException(thread);
} else {
struct vfs_STAT statbuf;
w_long size = 0;
if(statFD(fd_obj, &statbuf)) {
size = statbuf.st_size;
}
else {
throwIOException(thread);
return -1;
}
prev_pos = vfs_ftell(file);
if (prev_pos < 0) {
throwIOException(thread);
return -1;
}
if(n > (size - prev_pos)) {
n = size - prev_pos;
}
result = vfs_fseek(file, (long)n, SEEK_CUR);
if (result < 0) {
throwIOException(thread);
return -1;
}
result = vfs_ftell(file) - prev_pos;
if (result < 0) {
throwIOException(thread);
}
}
return result;
}
/*
* public static native void EVP_VerifyFinal(int, byte[], int, int, int)
*/
static int NativeCrypto_EVP_VerifyFinal(JNIEnv* env, jclass clazz, EVP_MD_CTX* ctx, jbyteArray buffer, jint offset, jint length, EVP_PKEY* pkey) {
// LOGI("NativeCrypto_EVP_VerifyFinal %x, %x, %d, %d %x", ctx, buffer, offset, length, pkey);
if (ctx == NULL || buffer == NULL || pkey == NULL) {
throwNullPointerException(env);
return -1;
}
jbyte* bufferBytes = env->GetByteArrayElements(buffer, NULL);
int result = EVP_VerifyFinal(ctx, (unsigned char*) (bufferBytes + offset), length, pkey);
env->ReleaseByteArrayElements(buffer, bufferBytes, JNI_ABORT);
throwExceptionIfNecessary(env);
return result;
}
w_int RandomAccessFile_read (JNIEnv *env, w_instance thisRAF) {
vfs_FILE *file;
w_int result = -1;
w_sbyte minibuf;
file = RAF2FILE(thisRAF);
if(file == NULL) {
throwNullPointerException(JNIEnv2w_thread(env));
} else {
if (vfs_fread(&minibuf, 1, 1, file) > 0) {
result = minibuf;
}
}
return result;
}
/*
* public static native int EVP_DigestFinal(int, byte[], int)
*/
static jint NativeCrypto_EVP_DigestFinal(JNIEnv* env, jclass clazz, EVP_MD_CTX* ctx, jbyteArray hash, jint offset) {
// LOGI("NativeCrypto_EVP_DigestFinal%x, %x, %d, %d", ctx, hash, offset);
if (ctx == NULL || hash == NULL) {
throwNullPointerException(env);
return -1;
}
int result = -1;
jbyte* hashBytes = env->GetByteArrayElements(hash, NULL);
EVP_DigestFinal(ctx, (unsigned char*) (hashBytes + offset), (unsigned int*)&result);
env->ReleaseByteArrayElements(hash, hashBytes, 0);
throwExceptionIfNecessary(env);
return result;
}
JNIEXPORT jint JNICALL Java_org_clearsilver_HDF__1getIntValue(
JNIEnv *env, jclass objClass, jint hdf_obj_ptr, jstring j_hdfname,
jint default_value) {
HDF *hdf = (HDF *)hdf_obj_ptr;
int r;
const char *hdfname;
if (!j_hdfname) {
throwNullPointerException(env, "hdfname argument was null");
return 0;
}
hdfname = (*env)->GetStringUTFChars(env,j_hdfname, 0);
r = hdf_get_int_value(hdf, hdfname, default_value);
(*env)->ReleaseStringUTFChars(env,j_hdfname,hdfname);
return r;
}
void RandomAccessFile_close (JNIEnv *env, w_instance thisRAF) {
w_instance fd_obj;
vfs_FILE *file;
fd_obj = getReferenceField(thisRAF, F_RandomAccessFile_fd);
if(fd_obj == NULL) {
throwNullPointerException(JNIEnv2w_thread(env));
} else {
file = getWotsitField(fd_obj, F_FileDescriptor_fd);
if(file) {
vfs_fclose(file);
clearWotsitField(fd_obj, F_FileDescriptor_fd);
}
}
}
/*
* public static native void EVP_VerifyInit(int, java.lang.String)
*/
static void NativeCrypto_EVP_VerifyInit(JNIEnv* env, jclass clazz, EVP_MD_CTX* ctx, jstring algorithm) {
// LOGI("NativeCrypto_EVP_VerifyInit");
if (ctx == NULL || algorithm == NULL) {
throwNullPointerException(env);
return;
}
const char* algorithmChars = env->GetStringUTFChars(algorithm, NULL);
const EVP_MD *digest = EVP_get_digestbynid(OBJ_txt2nid(algorithmChars));
env->ReleaseStringUTFChars(algorithm, algorithmChars);
if (digest == NULL) {
throwRuntimeException(env, "Hash algorithm not found");
return;
}
EVP_VerifyInit(ctx, digest);
throwExceptionIfNecessary(env);
}
void RandomAccessFile_writeFromBuffer (JNIEnv *env, w_instance thisRAF, w_instance buffer, w_int offset, w_int length) {
vfs_FILE *file;
w_sbyte *bytes;
w_sbyte *data;
if ((offset < 0) || (offset > instance2Array_length(buffer) - length)) {
throwArrayIndexOutOfBoundsException(JNIEnv2w_thread(env));
return;
}
bytes = instance2Array_byte(buffer);
file = RAF2FILE(thisRAF);
if(file == NULL) {
throwNullPointerException(JNIEnv2w_thread(env));
} else {
data = bytes + offset;
vfs_fwrite(data, 1, (w_word)length, file);
vfs_fflush(file);
}
}
static jstring InetAddress_gethostbyaddr(JNIEnv* env, jobject obj,
jbyteArray javaAddress)
{
if (javaAddress == NULL) {
throwNullPointerException(env);
return NULL;
}
size_t addrlen = env->GetArrayLength(javaAddress);
jbyte* rawAddress = env->GetByteArrayElements(javaAddress, NULL);
if (rawAddress == NULL) {
throwNullPointerException(env);
return NULL;
}
// Convert the raw address bytes into a socket address structure.
struct sockaddr_storage ss;
struct sockaddr_in *sin = (struct sockaddr_in *) &ss;
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) &ss;
size_t socklen;
switch (addrlen) {
case 4:
socklen = sizeof(struct sockaddr_in);
memset(sin, 0, sizeof(struct sockaddr_in));
sin->sin_family = AF_INET;
memcpy(&sin->sin_addr.s_addr, rawAddress, 4);
break;
case 16:
socklen = sizeof(struct sockaddr_in6);
memset(sin6, 0, sizeof(struct sockaddr_in6));
sin6->sin6_family = AF_INET6;
memcpy(&sin6->sin6_addr.s6_addr, rawAddress, 4);
break;
default:
jniThrowException(env, "java/net/UnknownHostException",
"Invalid address length");
return NULL;
}
// Convert the socket address structure to an IP string for logging.
int ret;
char ipstr[INET6_ADDRSTRLEN];
ret = getnameinfo((struct sockaddr *) &ss, socklen, ipstr, sizeof(ipstr),
NULL, 0, NI_NUMERICHOST);
if (ret) {
LOGE("gethostbyaddr: getnameinfo: %s", gai_strerror(ret));
return NULL;
}
// Look up the IP address from the socket address structure.
jstring result = NULL;
char name[NI_MAXHOST];
ret = getnameinfo((struct sockaddr *) &ss, socklen, name, sizeof(name),
NULL, 0, 0);
if (ret == 0) {
LOGI("gethostbyaddr: getnameinfo: %s = %s", ipstr, name);
result = env->NewStringUTF(name);
} else {
LOGE("gethostbyaddr: getnameinfo: unknown host %s: %s", ipstr,
gai_strerror(ret));
}
return result;
}
