1 /*
   2  * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 
  30 // #define SECMOD_DEBUG
  31 
  32 #include "j2secmod.h"
  33 
  34 
  35 JNIEXPORT jboolean JNICALL Java_sun_security_pkcs11_Secmod_nssVersionCheck
  36   (JNIEnv *env, jclass thisClass, jlong jHandle, jstring jVersion)
  37 {
  38     const char *requiredVersion = (*env)->GetStringUTFChars(env, jVersion, NULL);
  39     int res;
  40     FPTR_VersionCheck versionCheck =
  41         (FPTR_VersionCheck)findFunction(env, jHandle, "NSS_VersionCheck");
  42 
  43     if (versionCheck == NULL) {
  44         return JNI_FALSE;
  45     }
  46 
  47     res = versionCheck(requiredVersion);
  48     dprintf2("-version >=%s: %d\n", requiredVersion, res);
  49     (*env)->ReleaseStringUTFChars(env, jVersion, requiredVersion);
  50 
  51     return (res == 0) ? JNI_FALSE : JNI_TRUE;
  52 }
  53 
  54 JNIEXPORT jboolean JNICALL Java_sun_security_pkcs11_Secmod_nssInit
  55   (JNIEnv *env, jclass thisClass, jstring jFunctionName, jlong jHandle, jstring jConfigDir)
  56 {
  57     const char *functionName = (*env)->GetStringUTFChars(env, jFunctionName, NULL);
  58     const char *configDir = (jConfigDir == NULL) ? NULL : (*env)->GetStringUTFChars(env, jConfigDir, NULL);
  59     FPTR_Init init = (FPTR_Init)findFunction(env, jHandle, functionName);
  60     int res;
  61 
  62     (*env)->ReleaseStringUTFChars(env, jFunctionName, functionName);
  63     if (init == NULL) {
  64         return JNI_FALSE;
  65     }
  66 
  67     res = init(configDir);
  68     if (configDir != NULL) {
  69         (*env)->ReleaseStringUTFChars(env, jConfigDir, configDir);
  70     }
  71     dprintf1("-res: %d\n", res);
  72 
  73     return (res == 0) ? JNI_TRUE : JNI_FALSE;
  74 }
  75 
  76 JNIEXPORT jobject JNICALL Java_sun_security_pkcs11_Secmod_nssGetModuleList
  77   (JNIEnv *env, jclass thisClass, jlong jHandle, jstring jLibDir)
  78 {
  79     FPTR_GetDBModuleList getModuleList =
  80         (FPTR_GetDBModuleList)findFunction(env, jHandle, "SECMOD_GetDefaultModuleList");
  81 
  82     SECMODModuleList *list;
  83     SECMODModule *module;
  84     jclass jListClass, jModuleClass;
  85     jobject jList, jModule;
  86     jmethodID jListConstructor, jAdd, jModuleConstructor;
  87     jstring jCommonName, jDllName;
  88     jboolean jFIPS;
  89     jint i;
  90 
  91     if (getModuleList == NULL) {
  92         dprintf("-getmodulelist function not found\n");
  93         return NULL;
  94     }
  95     list = getModuleList();
  96     if (list == NULL) {
  97         dprintf("-module list is null\n");
  98         return NULL;
  99     }
 100 
 101     jListClass = (*env)->FindClass(env, "java/util/ArrayList");
 102     jListConstructor = (*env)->GetMethodID(env, jListClass, "<init>", "()V");
 103     jAdd = (*env)->GetMethodID(env, jListClass, "add", "(Ljava/lang/Object;)Z");
 104     jList = (*env)->NewObject(env, jListClass, jListConstructor);
 105 
 106     jModuleClass = (*env)->FindClass(env, "sun/security/pkcs11/Secmod$Module");
 107     jModuleConstructor = (*env)->GetMethodID(env, jModuleClass, "<init>",
 108         "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZI)V");
 109 
 110     while (list != NULL) {
 111         module = list->module;
 112         // assert module != null
 113         dprintf1("-commonname: %s\n", module->commonName);
 114         dprintf1("-dllname: %s\n", (module->dllName != NULL) ? module->dllName : "NULL");
 115         dprintf1("-slots: %d\n", module->slotCount);
 116         dprintf1("-loaded: %d\n", module->loaded);
 117         dprintf1("-internal: %d\n", module->internal);
 118         dprintf1("-fips: %d\n", module->isFIPS);
 119         jCommonName = (*env)->NewStringUTF(env, module->commonName);
 120         if (module->dllName == NULL) {
 121             jDllName = NULL;
 122         } else {
 123             jDllName = (*env)->NewStringUTF(env, module->dllName);
 124         }
 125         jFIPS = module->isFIPS;
 126         for (i = 0; i < module->slotCount; i++ ) {
 127             jModule = (*env)->NewObject(env, jModuleClass, jModuleConstructor,
 128                 jLibDir, jDllName, jCommonName, jFIPS, i);
 129             (*env)->CallVoidMethod(env, jList, jAdd, jModule);
 130         }
 131         list = list->next;
 132     }
 133     dprintf("-ok\n");
 134 
 135     return jList;
 136 }