JDK14/Java14源码在线阅读
/*
* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "NativeUtil.h"
#include "NativeFunc.h"
#include "jlong.h"
#include <jni.h>
#include "jni_util.h"
const int JAVA_DUPLICATE_TOKEN_CODE = 19; /* DUPLICATE_TOKEN */
const int JAVA_OLD_TOKEN_CODE = 20; /* OLD_TOKEN */
const int JAVA_UNSEQ_TOKEN_CODE = 21; /* UNSEQ_TOKEN */
const int JAVA_GAP_TOKEN_CODE = 22; /* GAP_TOKEN */
const int JAVA_ERROR_CODE[] = {
2, /* BAD_MECH */
3, /* BAD_NAME */
4, /* BAD_NAMETYPE */
1, /* BAD_BINDINGS */
5, /* BAD_STATUS */
6, /* BAD_MIC */
13, /* NO_CRED */
12, /* NO_CONTEXT */
10, /* DEFECTIVE_TOKEN */
9, /* DEFECTIVE_CREDENTIAL */
8, /* CREDENTIAL_EXPIRED */
7, /* CONTEXT_EXPIRED */
11, /* FAILURE */
14, /* BAD_QOP */
15, /* UNAUTHORIZED */
16, /* UNAVAILABLE */
17, /* DUPLICATE_ELEMENT */
18, /* NAME_NOT_MN */
};
const char SPNEGO_BYTES[] = {
0x2b, 0x06, 0x01, 0x05, 0x05, 0x02
};
jclass CLS_Object;
jclass CLS_String;
jclass CLS_Oid;
jclass CLS_GSSException;
jclass CLS_GSSNameElement;
jclass CLS_GSSCredElement;
jclass CLS_NativeGSSContext;
jclass CLS_SunNativeProvider;
jmethodID MID_String_ctor;
jmethodID MID_Oid_ctor1;
jmethodID MID_Oid_getDER;
jmethodID MID_MessageProp_getPrivacy;
jmethodID MID_MessageProp_getQOP;
jmethodID MID_MessageProp_setPrivacy;
jmethodID MID_MessageProp_setQOP;
jmethodID MID_MessageProp_setSupplementaryStates;
jmethodID MID_GSSException_ctor3;
jmethodID MID_ChannelBinding_getInitiatorAddr;
jmethodID MID_ChannelBinding_getAcceptorAddr;
jmethodID MID_ChannelBinding_getAppData;
jmethodID MID_InetAddress_getAddr;
jmethodID MID_GSSNameElement_ctor;
jmethodID MID_GSSCredElement_ctor;
jmethodID MID_NativeGSSContext_ctor;
jfieldID FID_GSSLibStub_pMech;
jfieldID FID_NativeGSSContext_pContext;
jfieldID FID_NativeGSSContext_srcName;
jfieldID FID_NativeGSSContext_targetName;
jfieldID FID_NativeGSSContext_isInitiator;
jfieldID FID_NativeGSSContext_isEstablished;
jfieldID FID_NativeGSSContext_delegatedCred;
jfieldID FID_NativeGSSContext_flags;
jfieldID FID_NativeGSSContext_lifetime;
jfieldID FID_NativeGSSContext_actualMech;
int JGSS_DEBUG;
JNIEXPORT jint JNICALL
DEF_JNI_OnLoad(JavaVM *jvm, void *reserved) {
JNIEnv *env;
jclass cls;
if ((*jvm)->GetEnv(jvm, (void **)&env, JNI_VERSION_1_2)) {
return JNI_EVERSION; /* JNI version not supported */
}
/* Retrieve and store the classes in global ref */
cls = (*env)->FindClass(env, "java/lang/Object");
if (cls == NULL) {
printf("Couldn't find Object class\n");
return JNI_ERR;
}
CLS_Object = (*env)->NewGlobalRef(env, cls);
if (CLS_Object == NULL) {
return JNI_ERR;
}
cls = (*env)->FindClass(env, "java/lang/String");
if (cls == NULL) {
printf("Couldn't find String class\n");
return JNI_ERR;
}
CLS_String = (*env)->NewGlobalRef(env, cls);
if (CLS_String == NULL) {
return JNI_ERR;
}
cls = (*env)->FindClass(env, "org/ietf/jgss/Oid");
if (cls == NULL) {
printf("Couldn't find org.ietf.jgss.Oid class\n");
return JNI_ERR;
}
CLS_Oid = (*env)->NewGlobalRef(env, cls);
if (CLS_Oid == NULL) {
return JNI_ERR;
}
cls = (*env)->FindClass(env, "org/ietf/jgss/GSSException");
if (cls == NULL) {
printf("Couldn't find org.ietf.jgss.GSSException class\n");
return JNI_ERR;
}
CLS_GSSException = (*env)->NewGlobalRef(env, cls);
if (CLS_GSSException == NULL) {
return JNI_ERR;
}
cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/GSSNameElement");
if (cls == NULL) {
printf("Couldn't find sun.security.jgss.wrapper.GSSNameElement class\n");
return JNI_ERR;
}
CLS_GSSNameElement = (*env)->NewGlobalRef(env, cls);
if (CLS_GSSNameElement == NULL) {
return JNI_ERR;
}
cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/GSSCredElement");
if (cls == NULL) {
printf("Couldn't find sun.security.jgss.wrapper.GSSCredElement class\n");
return JNI_ERR;
}
CLS_GSSCredElement = (*env)->NewGlobalRef(env, cls);
if (CLS_GSSCredElement == NULL) {
return JNI_ERR;
}
cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/NativeGSSContext");
if (cls == NULL) {
printf("Couldn't find sun.security.jgss.wrapper.NativeGSSContext class\n");
return JNI_ERR;
}
CLS_NativeGSSContext = (*env)->NewGlobalRef(env, cls);
if (CLS_NativeGSSContext == NULL) {
return JNI_ERR;
}
cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/SunNativeProvider");
if (cls == NULL) {
printf("Couldn't find sun.security.jgss.wrapper.SunNativeProvider class\n");
return JNI_ERR;
}
CLS_SunNativeProvider = (*env)->NewGlobalRef(env, cls);
if (CLS_SunNativeProvider == NULL) {
return JNI_ERR;
}
/* Compute and cache the method ID */
MID_String_ctor = (*env)->GetMethodID(env, CLS_String,
"<init>", "([B)V");
if (MID_String_ctor == NULL) {
printf("Couldn't find String(byte[]) constructor\n");
return JNI_ERR;
}
MID_Oid_ctor1 =
(*env)->GetMethodID(env, CLS_Oid, "<init>", "([B)V");
if (MID_Oid_ctor1 == NULL) {
printf("Couldn't find Oid(byte[]) constructor\n");
return JNI_ERR;
}
MID_Oid_getDER = (*env)->GetMethodID(env, CLS_Oid, "getDER", "()[B");
if (MID_Oid_getDER == NULL) {
printf("Couldn't find Oid.getDER() method\n");
return JNI_ERR;
}
cls = (*env)->FindClass(env, "org/ietf/jgss/MessageProp");
if (cls == NULL) {
printf("Couldn't find org.ietf.jgss.MessageProp class\n");
return JNI_ERR;
}
MID_MessageProp_getPrivacy =
(*env)->GetMethodID(env, cls, "getPrivacy", "()Z");
if (MID_MessageProp_getPrivacy == NULL) {
printf("Couldn't find MessageProp.getPrivacy() method\n");
return JNI_ERR;
}
MID_MessageProp_getQOP = (*env)->GetMethodID(env, cls, "getQOP", "()I");
if (MID_MessageProp_getQOP == NULL) {
printf("Couldn't find MessageProp.getQOP() method\n");
return JNI_ERR;
}
MID_MessageProp_setPrivacy =
(*env)->GetMethodID(env, cls, "setPrivacy", "(Z)V");
if (MID_MessageProp_setPrivacy == NULL) {
printf("Couldn't find MessageProp.setPrivacy(boolean) method\n");
return JNI_ERR;
}
MID_MessageProp_setQOP = (*env)->GetMethodID(env, cls, "setQOP", "(I)V");
if (MID_MessageProp_setQOP == NULL) {
printf("Couldn't find MessageProp.setQOP(int) method\n");
return JNI_ERR;
}
MID_MessageProp_setSupplementaryStates =
(*env)->GetMethodID(env, cls, "setSupplementaryStates",
"(ZZZZILjava/lang/String;)V");
if (MID_MessageProp_setSupplementaryStates == NULL) {
printf("Couldn't find MessageProp.setSupplementaryStates(...) method\n");
return JNI_ERR;
}
MID_GSSException_ctor3 = (*env)->GetMethodID
(env, CLS_GSSException, "<init>", "(IILjava/lang/String;)V");
if (MID_GSSException_ctor3 == NULL) {
printf("Couldn't find GSSException(int, int, String) constructor\n");
return JNI_ERR;
}
cls = (*env)->FindClass(env, "org/ietf/jgss/ChannelBinding");
if (cls == NULL) {
printf("Couldn't find org.ietf.jgss.ChannelBinding class\n");
return JNI_ERR;
}
MID_ChannelBinding_getInitiatorAddr =
(*env)->GetMethodID(env, cls, "getInitiatorAddress",
"()Ljava/net/InetAddress;");
if (MID_ChannelBinding_getInitiatorAddr == NULL) {
printf("Couldn't find ChannelBinding.getInitiatorAddress() method\n");
return JNI_ERR;
}
MID_ChannelBinding_getAcceptorAddr =
(*env)->GetMethodID(env, cls, "getAcceptorAddress",
"()Ljava/net/InetAddress;");
if (MID_ChannelBinding_getAcceptorAddr == NULL) {
printf("Couldn't find ChannelBinding.getAcceptorAddress() method\n");
return JNI_ERR;
}
MID_ChannelBinding_getAppData =
(*env)->GetMethodID(env, cls, "getApplicationData", "()[B");
if (MID_ChannelBinding_getAppData == NULL) {
printf("Couldn't find ChannelBinding.getApplicationData() method\n");
return JNI_ERR;
}
cls = (*env)->FindClass(env, "java/net/InetAddress");
if (cls == NULL) {
printf("Couldn't find java.net.InetAddress class\n");
return JNI_ERR;
}
MID_InetAddress_getAddr = (*env)->GetMethodID(env, cls, "getAddress",
"()[B");
if (MID_InetAddress_getAddr == NULL) {
printf("Couldn't find InetAddress.getAddress() method\n");
return JNI_ERR;
}
MID_GSSNameElement_ctor =
(*env)->GetMethodID(env, CLS_GSSNameElement,
"<init>", "(JLsun/security/jgss/wrapper/GSSLibStub;)V");
if (MID_GSSNameElement_ctor == NULL) {
printf("Couldn't find GSSNameElement(long, GSSLibStub) constructor\n");
return JNI_ERR;
}
MID_GSSCredElement_ctor =
(*env)->GetMethodID(env, CLS_GSSCredElement, "<init>",
"(JLsun/security/jgss/wrapper/GSSNameElement;Lorg/ietf/jgss/Oid;)V");
if (MID_GSSCredElement_ctor == NULL) {
printf("Couldn't find GSSCredElement(long, GSSLibStub) constructor\n");
return JNI_ERR;
}
MID_NativeGSSContext_ctor =
(*env)->GetMethodID(env, CLS_NativeGSSContext, "<init>",
"(JLsun/security/jgss/wrapper/GSSLibStub;)V");
if (MID_NativeGSSContext_ctor == NULL) {
printf("Couldn't find NativeGSSContext(long, GSSLibStub) constructor\n");
return JNI_ERR;
}
/* Compute and cache the field ID */
cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/GSSLibStub");
if (cls == NULL) {
printf("Couldn't find sun.security.jgss.wrapper.GSSLibStub class\n");
return JNI_ERR;
}
FID_GSSLibStub_pMech =
(*env)->GetFieldID(env, cls, "pMech", "J");
if (FID_GSSLibStub_pMech == NULL) {
printf("Couldn't find GSSLibStub.pMech field\n");
return JNI_ERR;
}
FID_NativeGSSContext_pContext =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "pContext", "J");
if (FID_NativeGSSContext_pContext == NULL) {
printf("Couldn't find NativeGSSContext.pContext field\n");
return JNI_ERR;
}
FID_NativeGSSContext_srcName =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "srcName",
"Lsun/security/jgss/wrapper/GSSNameElement;");
if (FID_NativeGSSContext_srcName == NULL) {
printf("Couldn't find NativeGSSContext.srcName field\n");
return JNI_ERR;
}
FID_NativeGSSContext_targetName =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "targetName",
"Lsun/security/jgss/wrapper/GSSNameElement;");
if (FID_NativeGSSContext_targetName == NULL) {
printf("Couldn't find NativeGSSContext.targetName field\n");
return JNI_ERR;
}
FID_NativeGSSContext_isInitiator =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "isInitiator", "Z");
if (FID_NativeGSSContext_isInitiator == NULL) {
printf("Couldn't find NativeGSSContext.isInitiator field\n");
return JNI_ERR;
}
FID_NativeGSSContext_isEstablished =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "isEstablished", "Z");
if (FID_NativeGSSContext_isEstablished == NULL) {
printf("Couldn't find NativeGSSContext.isEstablished field\n");
return JNI_ERR;
}
FID_NativeGSSContext_delegatedCred =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "delegatedCred",
"Lsun/security/jgss/wrapper/GSSCredElement;");
if (FID_NativeGSSContext_delegatedCred == NULL) {
printf("Couldn't find NativeGSSContext.delegatedCred field\n");
return JNI_ERR;
}
FID_NativeGSSContext_flags =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "flags", "I");
if (FID_NativeGSSContext_flags == NULL) {
printf("Couldn't find NativeGSSContext.flags field\n");
return JNI_ERR;
}
FID_NativeGSSContext_lifetime =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "lifetime", "I");
if (FID_NativeGSSContext_lifetime == NULL) {
printf("Couldn't find NativeGSSContext.lifetime field\n");
return JNI_ERR;
}
FID_NativeGSSContext_actualMech =
(*env)->GetFieldID(env, CLS_NativeGSSContext, "actualMech",
"Lorg/ietf/jgss/Oid;");
if (FID_NativeGSSContext_actualMech == NULL) {
printf("Couldn't find NativeGSSContext.actualMech field\n");
return JNI_ERR;
}
return JNI_VERSION_1_2;
}
JNIEXPORT void JNICALL
DEF_JNI_OnUnload(JavaVM *jvm, void *reserved) {
JNIEnv *env;
if ((*jvm)->GetEnv(jvm, (void **)&env, JNI_VERSION_1_2)) {
return;
}
/* Delete the global refs */
(*env)->DeleteGlobalRef(env, CLS_Object);
(*env)->DeleteGlobalRef(env, CLS_String);
(*env)->DeleteGlobalRef(env, CLS_Oid);
(*env)->DeleteGlobalRef(env, CLS_GSSException);
(*env)->DeleteGlobalRef(env, CLS_GSSNameElement);
(*env)->DeleteGlobalRef(env, CLS_GSSCredElement);
(*env)->DeleteGlobalRef(env, CLS_SunNativeProvider);
return;
}
const OM_uint32 JAVA_MAX = GSS_C_INDEFINITE/2;
/*
* Utility routine for converting the C unsigned integer time
* to Java signed integer time.
*/
jint getJavaTime(OM_uint32 ctime) {
jint result;
/* special handle values equals or more than JAVA_MAX */
if (ctime == GSS_C_INDEFINITE) {
result = JAVA_MAX;
} else if (ctime >= JAVA_MAX) {
result = JAVA_MAX-1;
} else {
result = ctime;
}
return result;
}
/*
* Utility routine for converting the Java signed integer time
* to C unsigned integer time.
*/
OM_uint32 getGSSTime(jint jtime) {
OM_uint32 result;
/* special handle values equal to JAVA_MAX */
if (jtime == (jint)JAVA_MAX) {
result = GSS_C_INDEFINITE;
} else {
result = jtime;
}
return result;
}
/*
* Utility routine for mapping the C error code to the
* Java one. The routine errors really should have
* shared the same values but unfortunately don't.
*/
jint getJavaErrorCode(int cNonCallingErr) {
int cRoutineErr, cSuppStatus;
/* map the routine errors */
cRoutineErr = GSS_ROUTINE_ERROR(cNonCallingErr) >> 16;
if (cRoutineErr != GSS_S_COMPLETE) {
return JAVA_ERROR_CODE[cRoutineErr-1];
}
/* map the supplementary infos */
cSuppStatus = GSS_SUPPLEMENTARY_INFO(cNonCallingErr);
if (cSuppStatus & GSS_S_DUPLICATE_TOKEN) {
return JAVA_DUPLICATE_TOKEN_CODE;
} else if (cSuppStatus & GSS_S_OLD_TOKEN) {
return JAVA_OLD_TOKEN_CODE;
} else if (cSuppStatus & GSS_S_UNSEQ_TOKEN) {
return JAVA_UNSEQ_TOKEN_CODE;
} else if (cSuppStatus & GSS_S_GAP_TOKEN) {
return JAVA_GAP_TOKEN_CODE;
}
return GSS_S_COMPLETE;
}
/* Throws a Java Exception by name */
void throwByName(JNIEnv *env, const char *name, const char *msg) {
jclass cls = (*env)->FindClass(env, name);
if (cls != NULL) {
(*env)->ThrowNew(env, cls, msg);
}
}
void throwOutOfMemoryError(JNIEnv *env, const char *message) {
throwByName(env, "java/lang/OutOfMemoryError", message);
}
/*
* Utility routine for creating a java.lang.String object
* using the specified gss_buffer_t structure. The specified
* gss_buffer_t structure is always released.
*/
jstring getJavaString(JNIEnv *env, gss_buffer_t bytes) {
jstring result = NULL;
OM_uint32 minor;
int len;
jbyteArray jbytes;
if (bytes != NULL) {
/* constructs the String object with new String(byte[])
NOTE: do NOT include the trailing NULL */
len = (int) bytes->length;
jbytes = (*env)->NewByteArray(env, len);
if (jbytes == NULL) {
goto finish;
}
(*env)->SetByteArrayRegion(env, jbytes, 0, len, (jbyte *) bytes->value);
if ((*env)->ExceptionCheck(env)) {
goto finish;
}
result = (*env)->NewObject(env, CLS_String, MID_String_ctor,
jbytes);
finish:
(*env)->DeleteLocalRef(env, jbytes);
(*ftab->releaseBuffer)(&minor, bytes);
return result;
} /* else fall through */
return NULL;
}
/*
* Utility routine for generate message for the specified minor
* status code.
*/
jstring getMinorMessage(JNIEnv *env, jobject jstub, OM_uint32 statusValue) {
OM_uint32 messageContext, minor, major;
gss_buffer_desc statusString;
gss_OID mech;
messageContext = 0;
if (jstub != NULL) {
mech = (gss_OID) jlong_to_ptr((*env)->GetLongField(env, jstub, FID_GSSLibStub_pMech));
} else {
mech = GSS_C_NO_OID;
}
/* gss_display_status(...) => GSS_S_BAD_MECH, GSS_S_BAD_STATUS */
// TBD: check messageContext value and repeat the call if necessary
major = (*ftab->displayStatus)(&minor, statusValue, GSS_C_MECH_CODE, mech,
&messageContext, &statusString);
return getJavaString(env, &statusString);
}
/*
* Utility routine checking the specified major and minor
* status codes. GSSExceptions will be thrown if they are
* not GSS_S_COMPLETE (i.e. 0).
*/
void checkStatus(JNIEnv *env, jobject jstub, OM_uint32 major,
OM_uint32 minor, char* methodName) {
int callingErr, routineErr, supplementaryInfo;
jint jmajor, jminor;
char* msg;
jstring jmsg;
jthrowable gssEx;
if (major == GSS_S_COMPLETE) return;
callingErr = GSS_CALLING_ERROR(major);
routineErr = GSS_ROUTINE_ERROR(major);
supplementaryInfo = GSS_SUPPLEMENTARY_INFO(major);
TRACE3("%s Status major/minor = %x/%d", methodName, major, minor);
TRACE3("c/r/s = %d/%d/%d ", callingErr>>24, routineErr>>16,
supplementaryInfo);
jmajor = getJavaErrorCode(routineErr | supplementaryInfo);
jminor = minor;
if (jmajor != GSS_S_COMPLETE) {
jmsg = NULL;
if (minor != 0) {
jmsg = getMinorMessage(env, jstub, minor);
if ((*env)->ExceptionCheck(env)) {
return;
}
}
gssEx = (*env)->NewObject(env, CLS_GSSException,
MID_GSSException_ctor3,
jmajor, jminor, jmsg);
if (gssEx != NULL) {
(*env)->Throw(env, gssEx);
}
} else {
/* Error in calling the GSS api */
if (callingErr == GSS_S_CALL_INACCESSIBLE_READ) {
msg = "A required input parameter cannot be read";
} else if (callingErr == GSS_S_CALL_INACCESSIBLE_WRITE) {
msg = "A required output parameter cannot be write";
} else {
msg = "A parameter was malformed";
}
jmajor = 13; /* use GSSException.FAILURE for now */
jmsg = (*env)->NewStringUTF(env, msg);
if (jmsg == NULL) {
return;
}
gssEx = (*env)->NewObject(env, CLS_GSSException,
MID_GSSException_ctor3,
jmajor, jminor, jmsg);
if (gssEx != NULL) {
(*env)->Throw(env, gssEx);
}
}
}
/*
* Utility routine for initializing gss_buffer_t structure
* with the byte[] in the specified jbyteArray object.
* NOTE: must call resetGSSBuffer() to free up the resources
* inside the gss_buffer_t structure.
*/
void initGSSBuffer(JNIEnv *env, jbyteArray jbytes,
gss_buffer_t cbytes) {
int len;
void* value;
if (jbytes != NULL) {
len = (*env)->GetArrayLength(env, jbytes);
value = malloc(len);
if (value == NULL) {
throwOutOfMemoryError(env, NULL);
return;
} else {
(*env)->GetByteArrayRegion(env, jbytes, 0, len, value);
if ((*env)->ExceptionCheck(env)) {
free(value);
return;
} else {
cbytes->length = len;
cbytes->value = value;
}
}
} else {
cbytes->length = 0;
cbytes->value = NULL;
}
}
/*
* Utility routine for freeing the bytes malloc'ed
* in initGSSBuffer() method.
* NOTE: used in conjunction with initGSSBuffer(...).
*/
void resetGSSBuffer(gss_buffer_t cbytes) {
if ((cbytes != NULL) && (cbytes != GSS_C_NO_BUFFER)) {
free(cbytes->value);
cbytes->length = 0;
cbytes->value = NULL;
}
}
/*
* Utility routine for creating a jbyteArray object using
* the byte[] value in specified gss_buffer_t structure.
* NOTE: the specified gss_buffer_t structure is always
* released.
*/
jbyteArray getJavaBuffer(JNIEnv *env, gss_buffer_t cbytes) {
jbyteArray result = NULL;
OM_uint32 minor; // don't care, just so it compiles
if (cbytes != NULL) {
if ((cbytes != GSS_C_NO_BUFFER) && (cbytes->length != 0)) {
result = (*env)->NewByteArray(env, (int) cbytes->length);
if (result == NULL) {
goto finish;
}
(*env)->SetByteArrayRegion(env, result, 0, (int) cbytes->length,
cbytes->value);
if ((*env)->ExceptionCheck(env)) {
result = NULL;
}
}
finish:
(*ftab->releaseBuffer)(&minor, cbytes);
return result;
}
return NULL;
}
/*
* Utility routine for creating a non-mech gss_OID using
* the specified org.ietf.jgss.Oid object.
* NOTE: must call deleteGSSOID(...) to free up the gss_OID.
*/
gss_OID newGSSOID(JNIEnv *env, jobject jOid) {
jbyteArray jbytes;
gss_OID cOid;
if (jOid != NULL) {
jbytes = (*env)->CallObjectMethod(env, jOid, MID_Oid_getDER);
if ((*env)->ExceptionCheck(env)) {
return GSS_C_NO_OID;
}
cOid = malloc(sizeof(struct gss_OID_desc_struct));
if (cOid == NULL) {
throwOutOfMemoryError(env,NULL);
return GSS_C_NO_OID;
}
cOid->length = (*env)->GetArrayLength(env, jbytes) - 2;
cOid->elements = malloc(cOid->length);
if (cOid->elements == NULL) {
throwOutOfMemoryError(env,NULL);
goto cleanup;
}
(*env)->GetByteArrayRegion(env, jbytes, 2, cOid->length,
cOid->elements);
if ((*env)->ExceptionCheck(env)) {
goto cleanup;
}
return cOid;
} else {
return GSS_C_NO_OID;
}
cleanup:
(*env)->DeleteLocalRef(env, jbytes);
free(cOid->elements);
free(cOid);
return GSS_C_NO_OID;
}
/*
* Utility routine for releasing the specified gss_OID
* structure.
* NOTE: used in conjunction with newGSSOID(...).
*/
void deleteGSSOID(gss_OID oid) {
if (oid != GSS_C_NO_OID) {
free(oid->elements);
free(oid);
}
}
/*
* Utility routine for creating a org.ietf.jgss.Oid
* object using the specified gss_OID structure.
*/
jobject getJavaOID(JNIEnv *env, gss_OID cOid) {
int cLen;
char oidHdr[2];
jbyteArray jbytes;
jobject result = NULL;
if ((cOid == NULL) || (cOid == GSS_C_NO_OID)) {
return NULL;
}
cLen = cOid->length;
oidHdr[0] = 6;
oidHdr[1] = cLen;
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