1 /* |
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 #include <jni.h> |
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27 #include "com_sun_security_auth_module_SolarisSystem.h" |
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28 #include <stdio.h> |
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29 #include <pwd.h> |
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30 #include <unistd.h> |
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31 #include <stdlib.h> |
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32 #include <string.h> |
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33 #include <pwd.h> |
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34 |
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35 static void throwIllegalArgumentException(JNIEnv *env, const char *msg) { |
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36 jclass clazz = (*env)->FindClass(env, "java/lang/IllegalArgumentException"); |
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37 if (clazz != NULL) |
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38 (*env)->ThrowNew(env, clazz, msg); |
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39 } |
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40 |
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41 JNIEXPORT void JNICALL |
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42 Java_com_sun_security_auth_module_SolarisSystem_getSolarisInfo |
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43 (JNIEnv *env, jobject obj) { |
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44 |
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45 int i; |
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46 char pwd_buf[1024]; |
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47 struct passwd pwd; |
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48 jsize numSuppGroups = getgroups(0, NULL); |
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49 jfieldID fid; |
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50 jstring jstr; |
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51 jlongArray jgroups; |
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52 jlong *jgroupsAsArray; |
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53 gid_t *groups; |
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54 jclass cls; |
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55 |
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56 groups = (gid_t *)calloc(numSuppGroups, sizeof(gid_t)); |
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57 |
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58 if (groups == NULL) { |
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59 jclass cls = (*env)->FindClass(env,"java/lang/OutOfMemoryError"); |
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60 if (cls != NULL) |
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61 (*env)->ThrowNew(env, cls, NULL); |
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62 return; |
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63 } |
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64 |
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65 cls = (*env)->GetObjectClass(env, obj); |
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66 |
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67 memset(pwd_buf, 0, sizeof(pwd_buf)); |
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68 if (getpwuid_r(getuid(), &pwd, pwd_buf, sizeof(pwd_buf)) != NULL && |
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69 getgroups(numSuppGroups, groups) != -1) { |
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70 |
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71 /* |
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72 * set username |
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73 */ |
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74 fid = (*env)->GetFieldID(env, cls, "username", "Ljava/lang/String;"); |
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75 if (fid == 0) { |
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76 (*env)->ExceptionClear(env); |
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77 throwIllegalArgumentException(env, "invalid field: username"); |
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78 goto cleanupAndReturn; |
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79 } |
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80 jstr = (*env)->NewStringUTF(env, pwd.pw_name); |
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81 if (jstr == NULL) { |
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82 goto cleanupAndReturn; |
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83 } |
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84 (*env)->SetObjectField(env, obj, fid, jstr); |
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85 |
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86 /* |
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87 * set uid |
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88 */ |
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89 fid = (*env)->GetFieldID(env, cls, "uid", "J"); |
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90 if (fid == 0) { |
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91 (*env)->ExceptionClear(env); |
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92 throwIllegalArgumentException(env, "invalid field: uid"); |
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93 goto cleanupAndReturn; |
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94 } |
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95 (*env)->SetLongField(env, obj, fid, pwd.pw_uid); |
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96 |
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97 /* |
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98 * set gid |
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99 */ |
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100 fid = (*env)->GetFieldID(env, cls, "gid", "J"); |
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101 if (fid == 0) { |
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102 (*env)->ExceptionClear(env); |
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103 throwIllegalArgumentException(env, "invalid field: gid"); |
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104 goto cleanupAndReturn; |
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105 } |
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106 (*env)->SetLongField(env, obj, fid, pwd.pw_gid); |
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107 |
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108 /* |
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109 * set supplementary groups |
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110 */ |
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111 fid = (*env)->GetFieldID(env, cls, "groups", "[J"); |
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112 if (fid == 0) { |
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113 (*env)->ExceptionClear(env); |
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114 throwIllegalArgumentException(env, "invalid field: groups"); |
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115 goto cleanupAndReturn; |
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116 } |
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117 |
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118 jgroups = (*env)->NewLongArray(env, numSuppGroups); |
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119 if (jgroups == NULL) { |
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120 goto cleanupAndReturn; |
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121 } |
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122 jgroupsAsArray = (*env)->GetLongArrayElements(env, jgroups, 0); |
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123 if (jgroupsAsArray == NULL) { |
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124 goto cleanupAndReturn; |
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125 } |
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126 for (i = 0; i < numSuppGroups; i++) |
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127 jgroupsAsArray[i] = groups[i]; |
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128 (*env)->ReleaseLongArrayElements(env, jgroups, jgroupsAsArray, 0); |
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129 (*env)->SetObjectField(env, obj, fid, jgroups); |
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130 } |
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131 cleanupAndReturn: |
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132 free(groups); |
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133 |
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134 return; |
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135 } |
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