/*
* Copyright (c) 2000, 2002, 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 <jni.h>
#include "com_sun_security_auth_module_SolarisSystem.h"
#include <stdio.h>
#include <pwd.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <pwd.h>
JNIEXPORT void JNICALL
Java_com_sun_security_auth_module_SolarisSystem_getSolarisInfo
(JNIEnv *env, jobject obj) {
int i;
char pwd_buf[1024];
struct passwd pwd;
jsize numSuppGroups = getgroups(0, NULL);
gid_t *groups = (gid_t *)calloc(numSuppGroups, sizeof(gid_t));
jfieldID fid;
jstring jstr;
jlongArray jgroups;
jlong *jgroupsAsArray;
jclass cls = (*env)->GetObjectClass(env, obj);
memset(pwd_buf, 0, sizeof(pwd_buf));
if (getpwuid_r(getuid(), &pwd, pwd_buf, sizeof(pwd_buf)) != NULL &&
getgroups(numSuppGroups, groups) != -1) {
/*
* set username
*/
fid = (*env)->GetFieldID(env, cls, "username", "Ljava/lang/String;");
if (fid == 0) {
jclass newExcCls =
(*env)->FindClass(env, "java/lang/IllegalArgumentException");
if (newExcCls == 0) {
/* Unable to find the new exception class, give up. */
return;
}
(*env)->ThrowNew(env, newExcCls, "invalid field: username");
}
jstr = (*env)->NewStringUTF(env, pwd.pw_name);
(*env)->SetObjectField(env, obj, fid, jstr);
/*
* set uid
*/
fid = (*env)->GetFieldID(env, cls, "uid", "J");
if (fid == 0) {
jclass newExcCls =
(*env)->FindClass(env, "java/lang/IllegalArgumentException");
if (newExcCls == 0) {
/* Unable to find the new exception class, give up. */
return;
}
(*env)->ThrowNew(env, newExcCls, "invalid field: username");
}
(*env)->SetLongField(env, obj, fid, pwd.pw_uid);
/*
* set gid
*/
fid = (*env)->GetFieldID(env, cls, "gid", "J");
if (fid == 0) {
jclass newExcCls =
(*env)->FindClass(env, "java/lang/IllegalArgumentException");
if (newExcCls == 0) {
/* Unable to find the new exception class, give up. */
return;
}
(*env)->ThrowNew(env, newExcCls, "invalid field: username");
}
(*env)->SetLongField(env, obj, fid, pwd.pw_gid);
/*
* set supplementary groups
*/
fid = (*env)->GetFieldID(env, cls, "groups", "[J");
if (fid == 0) {
jclass newExcCls =
(*env)->FindClass(env, "java/lang/IllegalArgumentException");
if (newExcCls == 0) {
/* Unable to find the new exception class, give up. */
return;
}
(*env)->ThrowNew(env, newExcCls, "invalid field: username");
}
jgroups = (*env)->NewLongArray(env, numSuppGroups);
jgroupsAsArray = (*env)->GetLongArrayElements(env, jgroups, 0);
for (i = 0; i < numSuppGroups; i++)
jgroupsAsArray[i] = groups[i];
(*env)->ReleaseLongArrayElements(env, jgroups, jgroupsAsArray, 0);
(*env)->SetObjectField(env, obj, fid, jgroups);
}
return;
}