Bug Summary

File:jdk/src/java.security.jgss/share/native/libj2gss/NativeUtil.c
Warning:line 510, column 3
Value stored to 'major' is never read

Annotated Source Code

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clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name NativeUtil.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mthread-model posix -fno-delete-null-pointer-checks -mframe-pointer=all -relaxed-aliasing -fmath-errno -fno-rounding-math -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -dwarf-column-info -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib/llvm-10/lib/clang/10.0.0 -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/modules_include/java.base -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/modules_include/java.base/linux -I /home/daniel/Projects/java/jdk/src/java.base/share/native/libjava -I /home/daniel/Projects/java/jdk/src/java.base/unix/native/libjava -I /home/daniel/Projects/java/jdk/src/hotspot/share/include -I /home/daniel/Projects/java/jdk/src/hotspot/os/posix/include -D LIBC=gnu -D _GNU_SOURCE -D _REENTRANT -D _LARGEFILE64_SOURCE -D LINUX -D DEBUG -D _LITTLE_ENDIAN -D ARCH="amd64" -D amd64 -D _LP64=1 -I /home/daniel/Projects/java/jdk/src/java.security.jgss/share/native/libj2gss -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/headers/java.security.jgss -D _FORTIFY_SOURCE=2 -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-10/lib/clang/10.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wno-unused -Wno-undef -std=c99 -fdebug-compilation-dir /home/daniel/Projects/java/jdk/make -ferror-limit 19 -fmessage-length 0 -fvisibility hidden -stack-protector 1 -fgnuc-version=4.2.1 -fobjc-runtime=gcc -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -o /home/daniel/Projects/java/scan/2021-12-21-193737-8510-1 -x c /home/daniel/Projects/java/jdk/src/java.security.jgss/share/native/libj2gss/NativeUtil.c
1/*
2 * Copyright (c) 2005, 2018, 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 "NativeUtil.h"
27#include "NativeFunc.h"
28#include "jlong.h"
29#include <jni.h>
30#include "jni_util.h"
31
32const int JAVA_DUPLICATE_TOKEN_CODE = 19; /* DUPLICATE_TOKEN */
33const int JAVA_OLD_TOKEN_CODE = 20; /* OLD_TOKEN */
34const int JAVA_UNSEQ_TOKEN_CODE = 21; /* UNSEQ_TOKEN */
35const int JAVA_GAP_TOKEN_CODE = 22; /* GAP_TOKEN */
36const int JAVA_ERROR_CODE[] = {
37 2, /* BAD_MECH */
38 3, /* BAD_NAME */
39 4, /* BAD_NAMETYPE */
40 1, /* BAD_BINDINGS */
41 5, /* BAD_STATUS */
42 6, /* BAD_MIC */
43 13, /* NO_CRED */
44 12, /* NO_CONTEXT */
45 10, /* DEFECTIVE_TOKEN */
46 9, /* DEFECTIVE_CREDENTIAL */
47 8, /* CREDENTIAL_EXPIRED */
48 7, /* CONTEXT_EXPIRED */
49 11, /* FAILURE */
50 14, /* BAD_QOP */
51 15, /* UNAUTHORIZED */
52 16, /* UNAVAILABLE */
53 17, /* DUPLICATE_ELEMENT */
54 18, /* NAME_NOT_MN */
55};
56const char SPNEGO_BYTES[] = {
57 0x2b, 0x06, 0x01, 0x05, 0x05, 0x02
58};
59
60jclass CLS_Object;
61jclass CLS_String;
62jclass CLS_Oid;
63jclass CLS_GSSException;
64jclass CLS_GSSNameElement;
65jclass CLS_GSSCredElement;
66jclass CLS_NativeGSSContext;
67jclass CLS_SunNativeProvider;
68jmethodID MID_String_ctor;
69jmethodID MID_Oid_ctor1;
70jmethodID MID_Oid_getDER;
71jmethodID MID_MessageProp_getPrivacy;
72jmethodID MID_MessageProp_getQOP;
73jmethodID MID_MessageProp_setPrivacy;
74jmethodID MID_MessageProp_setQOP;
75jmethodID MID_MessageProp_setSupplementaryStates;
76jmethodID MID_GSSException_ctor3;
77jmethodID MID_ChannelBinding_getInitiatorAddr;
78jmethodID MID_ChannelBinding_getAcceptorAddr;
79jmethodID MID_ChannelBinding_getAppData;
80jmethodID MID_InetAddress_getAddr;
81jmethodID MID_GSSNameElement_ctor;
82jmethodID MID_GSSCredElement_ctor;
83jmethodID MID_NativeGSSContext_ctor;
84jfieldID FID_GSSLibStub_pMech;
85jfieldID FID_NativeGSSContext_pContext;
86jfieldID FID_NativeGSSContext_srcName;
87jfieldID FID_NativeGSSContext_targetName;
88jfieldID FID_NativeGSSContext_isInitiator;
89jfieldID FID_NativeGSSContext_isEstablished;
90jfieldID FID_NativeGSSContext_delegatedCred;
91jfieldID FID_NativeGSSContext_flags;
92jfieldID FID_NativeGSSContext_lifetime;
93jfieldID FID_NativeGSSContext_actualMech;
94
95int JGSS_DEBUG;
96
97JNIEXPORT__attribute__((visibility("default"))) jint JNICALL
98DEF_JNI_OnLoadJNI_OnLoad(JavaVM *jvm, void *reserved) {
99 JNIEnv *env;
100 jclass cls;
101
102 if ((*jvm)->GetEnv(jvm, (void **)&env, JNI_VERSION_1_20x00010002)) {
103 return JNI_EVERSION(-3); /* JNI version not supported */
104 }
105 /* Retrieve and store the classes in global ref */
106 cls = (*env)->FindClass(env, "java/lang/Object");
107 if (cls == NULL((void*)0)) {
108 printf("Couldn't find Object class\n")__printf_chk (2 - 1, "Couldn't find Object class\n");
109 return JNI_ERR(-1);
110 }
111 CLS_Object = (*env)->NewGlobalRef(env, cls);
112 if (CLS_Object == NULL((void*)0)) {
113 return JNI_ERR(-1);
114 }
115 cls = (*env)->FindClass(env, "java/lang/String");
116 if (cls == NULL((void*)0)) {
117 printf("Couldn't find String class\n")__printf_chk (2 - 1, "Couldn't find String class\n");
118 return JNI_ERR(-1);
119 }
120 CLS_String = (*env)->NewGlobalRef(env, cls);
121 if (CLS_String == NULL((void*)0)) {
122 return JNI_ERR(-1);
123 }
124 cls = (*env)->FindClass(env, "org/ietf/jgss/Oid");
125 if (cls == NULL((void*)0)) {
126 printf("Couldn't find org.ietf.jgss.Oid class\n")__printf_chk (2 - 1, "Couldn't find org.ietf.jgss.Oid class\n"
);
127 return JNI_ERR(-1);
128 }
129 CLS_Oid = (*env)->NewGlobalRef(env, cls);
130 if (CLS_Oid == NULL((void*)0)) {
131 return JNI_ERR(-1);
132 }
133 cls = (*env)->FindClass(env, "org/ietf/jgss/GSSException");
134 if (cls == NULL((void*)0)) {
135 printf("Couldn't find org.ietf.jgss.GSSException class\n")__printf_chk (2 - 1, "Couldn't find org.ietf.jgss.GSSException class\n"
);
136 return JNI_ERR(-1);
137 }
138 CLS_GSSException = (*env)->NewGlobalRef(env, cls);
139 if (CLS_GSSException == NULL((void*)0)) {
140 return JNI_ERR(-1);
141 }
142 cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/GSSNameElement");
143 if (cls == NULL((void*)0)) {
144 printf("Couldn't find sun.security.jgss.wrapper.GSSNameElement class\n")__printf_chk (2 - 1, "Couldn't find sun.security.jgss.wrapper.GSSNameElement class\n"
);
145 return JNI_ERR(-1);
146 }
147 CLS_GSSNameElement = (*env)->NewGlobalRef(env, cls);
148 if (CLS_GSSNameElement == NULL((void*)0)) {
149 return JNI_ERR(-1);
150 }
151 cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/GSSCredElement");
152 if (cls == NULL((void*)0)) {
153 printf("Couldn't find sun.security.jgss.wrapper.GSSCredElement class\n")__printf_chk (2 - 1, "Couldn't find sun.security.jgss.wrapper.GSSCredElement class\n"
);
154 return JNI_ERR(-1);
155 }
156 CLS_GSSCredElement = (*env)->NewGlobalRef(env, cls);
157 if (CLS_GSSCredElement == NULL((void*)0)) {
158 return JNI_ERR(-1);
159 }
160 cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/NativeGSSContext");
161 if (cls == NULL((void*)0)) {
162 printf("Couldn't find sun.security.jgss.wrapper.NativeGSSContext class\n")__printf_chk (2 - 1, "Couldn't find sun.security.jgss.wrapper.NativeGSSContext class\n"
);
163 return JNI_ERR(-1);
164 }
165 CLS_NativeGSSContext = (*env)->NewGlobalRef(env, cls);
166 if (CLS_NativeGSSContext == NULL((void*)0)) {
167 return JNI_ERR(-1);
168 }
169 cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/SunNativeProvider");
170 if (cls == NULL((void*)0)) {
171 printf("Couldn't find sun.security.jgss.wrapper.SunNativeProvider class\n")__printf_chk (2 - 1, "Couldn't find sun.security.jgss.wrapper.SunNativeProvider class\n"
);
172 return JNI_ERR(-1);
173 }
174 CLS_SunNativeProvider = (*env)->NewGlobalRef(env, cls);
175 if (CLS_SunNativeProvider == NULL((void*)0)) {
176 return JNI_ERR(-1);
177 }
178 /* Compute and cache the method ID */
179 MID_String_ctor = (*env)->GetMethodID(env, CLS_String,
180 "<init>", "([B)V");
181 if (MID_String_ctor == NULL((void*)0)) {
182 printf("Couldn't find String(byte[]) constructor\n")__printf_chk (2 - 1, "Couldn't find String(byte[]) constructor\n"
);
183 return JNI_ERR(-1);
184 }
185 MID_Oid_ctor1 =
186 (*env)->GetMethodID(env, CLS_Oid, "<init>", "([B)V");
187 if (MID_Oid_ctor1 == NULL((void*)0)) {
188 printf("Couldn't find Oid(byte[]) constructor\n")__printf_chk (2 - 1, "Couldn't find Oid(byte[]) constructor\n"
);
189 return JNI_ERR(-1);
190 }
191 MID_Oid_getDER = (*env)->GetMethodID(env, CLS_Oid, "getDER", "()[B");
192 if (MID_Oid_getDER == NULL((void*)0)) {
193 printf("Couldn't find Oid.getDER() method\n")__printf_chk (2 - 1, "Couldn't find Oid.getDER() method\n");
194 return JNI_ERR(-1);
195 }
196 cls = (*env)->FindClass(env, "org/ietf/jgss/MessageProp");
197 if (cls == NULL((void*)0)) {
198 printf("Couldn't find org.ietf.jgss.MessageProp class\n")__printf_chk (2 - 1, "Couldn't find org.ietf.jgss.MessageProp class\n"
);
199 return JNI_ERR(-1);
200 }
201 MID_MessageProp_getPrivacy =
202 (*env)->GetMethodID(env, cls, "getPrivacy", "()Z");
203 if (MID_MessageProp_getPrivacy == NULL((void*)0)) {
204 printf("Couldn't find MessageProp.getPrivacy() method\n")__printf_chk (2 - 1, "Couldn't find MessageProp.getPrivacy() method\n"
);
205 return JNI_ERR(-1);
206 }
207 MID_MessageProp_getQOP = (*env)->GetMethodID(env, cls, "getQOP", "()I");
208 if (MID_MessageProp_getQOP == NULL((void*)0)) {
209 printf("Couldn't find MessageProp.getQOP() method\n")__printf_chk (2 - 1, "Couldn't find MessageProp.getQOP() method\n"
);
210 return JNI_ERR(-1);
211 }
212 MID_MessageProp_setPrivacy =
213 (*env)->GetMethodID(env, cls, "setPrivacy", "(Z)V");
214 if (MID_MessageProp_setPrivacy == NULL((void*)0)) {
215 printf("Couldn't find MessageProp.setPrivacy(boolean) method\n")__printf_chk (2 - 1, "Couldn't find MessageProp.setPrivacy(boolean) method\n"
);
216 return JNI_ERR(-1);
217 }
218 MID_MessageProp_setQOP = (*env)->GetMethodID(env, cls, "setQOP", "(I)V");
219 if (MID_MessageProp_setQOP == NULL((void*)0)) {
220 printf("Couldn't find MessageProp.setQOP(int) method\n")__printf_chk (2 - 1, "Couldn't find MessageProp.setQOP(int) method\n"
);
221 return JNI_ERR(-1);
222 }
223 MID_MessageProp_setSupplementaryStates =
224 (*env)->GetMethodID(env, cls, "setSupplementaryStates",
225 "(ZZZZILjava/lang/String;)V");
226 if (MID_MessageProp_setSupplementaryStates == NULL((void*)0)) {
227 printf("Couldn't find MessageProp.setSupplementaryStates(...) method\n")__printf_chk (2 - 1, "Couldn't find MessageProp.setSupplementaryStates(...) method\n"
);
228 return JNI_ERR(-1);
229 }
230 MID_GSSException_ctor3 = (*env)->GetMethodID
231 (env, CLS_GSSException, "<init>", "(IILjava/lang/String;)V");
232 if (MID_GSSException_ctor3 == NULL((void*)0)) {
233 printf("Couldn't find GSSException(int, int, String) constructor\n")__printf_chk (2 - 1, "Couldn't find GSSException(int, int, String) constructor\n"
);
234 return JNI_ERR(-1);
235 }
236 cls = (*env)->FindClass(env, "org/ietf/jgss/ChannelBinding");
237 if (cls == NULL((void*)0)) {
238 printf("Couldn't find org.ietf.jgss.ChannelBinding class\n")__printf_chk (2 - 1, "Couldn't find org.ietf.jgss.ChannelBinding class\n"
);
239 return JNI_ERR(-1);
240 }
241 MID_ChannelBinding_getInitiatorAddr =
242 (*env)->GetMethodID(env, cls, "getInitiatorAddress",
243 "()Ljava/net/InetAddress;");
244 if (MID_ChannelBinding_getInitiatorAddr == NULL((void*)0)) {
245 printf("Couldn't find ChannelBinding.getInitiatorAddress() method\n")__printf_chk (2 - 1, "Couldn't find ChannelBinding.getInitiatorAddress() method\n"
);
246 return JNI_ERR(-1);
247 }
248 MID_ChannelBinding_getAcceptorAddr =
249 (*env)->GetMethodID(env, cls, "getAcceptorAddress",
250 "()Ljava/net/InetAddress;");
251 if (MID_ChannelBinding_getAcceptorAddr == NULL((void*)0)) {
252 printf("Couldn't find ChannelBinding.getAcceptorAddress() method\n")__printf_chk (2 - 1, "Couldn't find ChannelBinding.getAcceptorAddress() method\n"
);
253 return JNI_ERR(-1);
254 }
255 MID_ChannelBinding_getAppData =
256 (*env)->GetMethodID(env, cls, "getApplicationData", "()[B");
257 if (MID_ChannelBinding_getAppData == NULL((void*)0)) {
258 printf("Couldn't find ChannelBinding.getApplicationData() method\n")__printf_chk (2 - 1, "Couldn't find ChannelBinding.getApplicationData() method\n"
);
259 return JNI_ERR(-1);
260 }
261 cls = (*env)->FindClass(env, "java/net/InetAddress");
262 if (cls == NULL((void*)0)) {
263 printf("Couldn't find java.net.InetAddress class\n")__printf_chk (2 - 1, "Couldn't find java.net.InetAddress class\n"
);
264 return JNI_ERR(-1);
265 }
266 MID_InetAddress_getAddr = (*env)->GetMethodID(env, cls, "getAddress",
267 "()[B");
268 if (MID_InetAddress_getAddr == NULL((void*)0)) {
269 printf("Couldn't find InetAddress.getAddress() method\n")__printf_chk (2 - 1, "Couldn't find InetAddress.getAddress() method\n"
);
270 return JNI_ERR(-1);
271 }
272 MID_GSSNameElement_ctor =
273 (*env)->GetMethodID(env, CLS_GSSNameElement,
274 "<init>", "(JLsun/security/jgss/wrapper/GSSLibStub;)V");
275 if (MID_GSSNameElement_ctor == NULL((void*)0)) {
276 printf("Couldn't find GSSNameElement(long, GSSLibStub) constructor\n")__printf_chk (2 - 1, "Couldn't find GSSNameElement(long, GSSLibStub) constructor\n"
);
277 return JNI_ERR(-1);
278 }
279 MID_GSSCredElement_ctor =
280 (*env)->GetMethodID(env, CLS_GSSCredElement, "<init>",
281 "(JLsun/security/jgss/wrapper/GSSNameElement;Lorg/ietf/jgss/Oid;)V");
282 if (MID_GSSCredElement_ctor == NULL((void*)0)) {
283 printf("Couldn't find GSSCredElement(long, GSSLibStub) constructor\n")__printf_chk (2 - 1, "Couldn't find GSSCredElement(long, GSSLibStub) constructor\n"
);
284 return JNI_ERR(-1);
285 }
286 MID_NativeGSSContext_ctor =
287 (*env)->GetMethodID(env, CLS_NativeGSSContext, "<init>",
288 "(JLsun/security/jgss/wrapper/GSSLibStub;)V");
289 if (MID_NativeGSSContext_ctor == NULL((void*)0)) {
290 printf("Couldn't find NativeGSSContext(long, GSSLibStub) constructor\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext(long, GSSLibStub) constructor\n"
);
291 return JNI_ERR(-1);
292 }
293 /* Compute and cache the field ID */
294 cls = (*env)->FindClass(env, "sun/security/jgss/wrapper/GSSLibStub");
295 if (cls == NULL((void*)0)) {
296 printf("Couldn't find sun.security.jgss.wrapper.GSSLibStub class\n")__printf_chk (2 - 1, "Couldn't find sun.security.jgss.wrapper.GSSLibStub class\n"
);
297 return JNI_ERR(-1);
298 }
299 FID_GSSLibStub_pMech =
300 (*env)->GetFieldID(env, cls, "pMech", "J");
301 if (FID_GSSLibStub_pMech == NULL((void*)0)) {
302 printf("Couldn't find GSSLibStub.pMech field\n")__printf_chk (2 - 1, "Couldn't find GSSLibStub.pMech field\n"
);
303 return JNI_ERR(-1);
304 }
305 FID_NativeGSSContext_pContext =
306 (*env)->GetFieldID(env, CLS_NativeGSSContext, "pContext", "J");
307 if (FID_NativeGSSContext_pContext == NULL((void*)0)) {
308 printf("Couldn't find NativeGSSContext.pContext field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.pContext field\n"
);
309 return JNI_ERR(-1);
310 }
311 FID_NativeGSSContext_srcName =
312 (*env)->GetFieldID(env, CLS_NativeGSSContext, "srcName",
313 "Lsun/security/jgss/wrapper/GSSNameElement;");
314 if (FID_NativeGSSContext_srcName == NULL((void*)0)) {
315 printf("Couldn't find NativeGSSContext.srcName field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.srcName field\n"
);
316 return JNI_ERR(-1);
317 }
318 FID_NativeGSSContext_targetName =
319 (*env)->GetFieldID(env, CLS_NativeGSSContext, "targetName",
320 "Lsun/security/jgss/wrapper/GSSNameElement;");
321 if (FID_NativeGSSContext_targetName == NULL((void*)0)) {
322 printf("Couldn't find NativeGSSContext.targetName field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.targetName field\n"
);
323 return JNI_ERR(-1);
324 }
325 FID_NativeGSSContext_isInitiator =
326 (*env)->GetFieldID(env, CLS_NativeGSSContext, "isInitiator", "Z");
327 if (FID_NativeGSSContext_isInitiator == NULL((void*)0)) {
328 printf("Couldn't find NativeGSSContext.isInitiator field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.isInitiator field\n"
);
329 return JNI_ERR(-1);
330 }
331 FID_NativeGSSContext_isEstablished =
332 (*env)->GetFieldID(env, CLS_NativeGSSContext, "isEstablished", "Z");
333 if (FID_NativeGSSContext_isEstablished == NULL((void*)0)) {
334 printf("Couldn't find NativeGSSContext.isEstablished field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.isEstablished field\n"
);
335 return JNI_ERR(-1);
336 }
337 FID_NativeGSSContext_delegatedCred =
338 (*env)->GetFieldID(env, CLS_NativeGSSContext, "delegatedCred",
339 "Lsun/security/jgss/wrapper/GSSCredElement;");
340 if (FID_NativeGSSContext_delegatedCred == NULL((void*)0)) {
341 printf("Couldn't find NativeGSSContext.delegatedCred field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.delegatedCred field\n"
);
342 return JNI_ERR(-1);
343 }
344 FID_NativeGSSContext_flags =
345 (*env)->GetFieldID(env, CLS_NativeGSSContext, "flags", "I");
346 if (FID_NativeGSSContext_flags == NULL((void*)0)) {
347 printf("Couldn't find NativeGSSContext.flags field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.flags field\n"
);
348 return JNI_ERR(-1);
349 }
350 FID_NativeGSSContext_lifetime =
351 (*env)->GetFieldID(env, CLS_NativeGSSContext, "lifetime", "I");
352 if (FID_NativeGSSContext_lifetime == NULL((void*)0)) {
353 printf("Couldn't find NativeGSSContext.lifetime field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.lifetime field\n"
);
354 return JNI_ERR(-1);
355 }
356 FID_NativeGSSContext_actualMech =
357 (*env)->GetFieldID(env, CLS_NativeGSSContext, "actualMech",
358 "Lorg/ietf/jgss/Oid;");
359 if (FID_NativeGSSContext_actualMech == NULL((void*)0)) {
360 printf("Couldn't find NativeGSSContext.actualMech field\n")__printf_chk (2 - 1, "Couldn't find NativeGSSContext.actualMech field\n"
);
361 return JNI_ERR(-1);
362 }
363 return JNI_VERSION_1_20x00010002;
364}
365
366JNIEXPORT__attribute__((visibility("default"))) void JNICALL
367DEF_JNI_OnUnloadJNI_OnUnload(JavaVM *jvm, void *reserved) {
368 JNIEnv *env;
369
370 if ((*jvm)->GetEnv(jvm, (void **)&env, JNI_VERSION_1_20x00010002)) {
371 return;
372 }
373 /* Delete the global refs */
374 (*env)->DeleteGlobalRef(env, CLS_Object);
375 (*env)->DeleteGlobalRef(env, CLS_String);
376 (*env)->DeleteGlobalRef(env, CLS_Oid);
377 (*env)->DeleteGlobalRef(env, CLS_GSSException);
378 (*env)->DeleteGlobalRef(env, CLS_GSSNameElement);
379 (*env)->DeleteGlobalRef(env, CLS_GSSCredElement);
380 (*env)->DeleteGlobalRef(env, CLS_SunNativeProvider);
381 return;
382}
383
384const OM_uint32 JAVA_MAX = GSS_C_INDEFINITE((OM_uint32) 0xfffffffful)/2;
385
386/*
387 * Utility routine for converting the C unsigned integer time
388 * to Java signed integer time.
389 */
390jint getJavaTime(OM_uint32 ctime) {
391 jint result;
392
393 /* special handle values equals or more than JAVA_MAX */
394 if (ctime == GSS_C_INDEFINITE((OM_uint32) 0xfffffffful)) {
395 result = JAVA_MAX;
396 } else if (ctime >= JAVA_MAX) {
397 result = JAVA_MAX-1;
398 } else {
399 result = ctime;
400 }
401 return result;
402}
403/*
404 * Utility routine for converting the Java signed integer time
405 * to C unsigned integer time.
406 */
407OM_uint32 getGSSTime(jint jtime) {
408 OM_uint32 result;
409
410 /* special handle values equal to JAVA_MAX */
411 if (jtime == (jint)JAVA_MAX) {
412 result = GSS_C_INDEFINITE((OM_uint32) 0xfffffffful);
413 } else {
414 result = jtime;
415 }
416 return result;
417}
418/*
419 * Utility routine for mapping the C error code to the
420 * Java one. The routine errors really should have
421 * shared the same values but unfortunately don't.
422 */
423jint getJavaErrorCode(int cNonCallingErr) {
424 int cRoutineErr, cSuppStatus;
425 /* map the routine errors */
426 cRoutineErr = GSS_ROUTINE_ERROR(cNonCallingErr)((cNonCallingErr) & (((OM_uint32) 0377ul) << 16)) >> 16;
427 if (cRoutineErr != GSS_S_COMPLETE0) {
428 return JAVA_ERROR_CODE[cRoutineErr-1];
429 }
430 /* map the supplementary infos */
431 cSuppStatus = GSS_SUPPLEMENTARY_INFO(cNonCallingErr)((cNonCallingErr) & (((OM_uint32) 0177777ul) << 0));
432 if (cSuppStatus & GSS_S_DUPLICATE_TOKEN(1 << (0 + 1))) {
433 return JAVA_DUPLICATE_TOKEN_CODE;
434 } else if (cSuppStatus & GSS_S_OLD_TOKEN(1 << (0 + 2))) {
435 return JAVA_OLD_TOKEN_CODE;
436 } else if (cSuppStatus & GSS_S_UNSEQ_TOKEN(1 << (0 + 3))) {
437 return JAVA_UNSEQ_TOKEN_CODE;
438 } else if (cSuppStatus & GSS_S_GAP_TOKEN(1 << (0 + 4))) {
439 return JAVA_GAP_TOKEN_CODE;
440 }
441 return GSS_S_COMPLETE0;
442}
443
444
445/* Throws a Java Exception by name */
446void throwByName(JNIEnv *env, const char *name, const char *msg) {
447 jclass cls = (*env)->FindClass(env, name);
448
449 if (cls != NULL((void*)0)) {
450 (*env)->ThrowNew(env, cls, msg);
451 }
452}
453
454void throwOutOfMemoryError(JNIEnv *env, const char *message) {
455 throwByName(env, "java/lang/OutOfMemoryError", message);
456}
457
458/*
459 * Utility routine for creating a java.lang.String object
460 * using the specified gss_buffer_t structure. The specified
461 * gss_buffer_t structure is always released.
462 */
463jstring getJavaString(JNIEnv *env, gss_buffer_t bytes) {
464 jstring result = NULL((void*)0);
465 OM_uint32 minor;
466 int len;
467 jbyteArray jbytes;
468
469 if (bytes != NULL((void*)0)) {
470 /* constructs the String object with new String(byte[])
471 NOTE: do NOT include the trailing NULL */
472 len = (int) bytes->length;
473 jbytes = (*env)->NewByteArray(env, len);
474 if (jbytes == NULL((void*)0)) {
475 goto finish;
476 }
477
478 (*env)->SetByteArrayRegion(env, jbytes, 0, len, (jbyte *) bytes->value);
479 if ((*env)->ExceptionCheck(env)) {
480 goto finish;
481 }
482
483 result = (*env)->NewObject(env, CLS_String, MID_String_ctor,
484 jbytes);
485 finish:
486 (*env)->DeleteLocalRef(env, jbytes);
487 (*ftab->releaseBuffer)(&minor, bytes);
488 return result;
489 } /* else fall through */
490 return NULL((void*)0);
491}
492/*
493 * Utility routine for generate message for the specified minor
494 * status code.
495 */
496jstring getMinorMessage(JNIEnv *env, jobject jstub, OM_uint32 statusValue) {
497 OM_uint32 messageContext, minor, major;
498 gss_buffer_desc statusString;
499 gss_OID mech;
500
501 messageContext = 0;
502 if (jstub != NULL((void*)0)) {
503 mech = (gss_OID) jlong_to_ptr((*env)->GetLongField(env, jstub, FID_GSSLibStub_pMech))((void*)((*env)->GetLongField(env, jstub, FID_GSSLibStub_pMech
)));
504 } else {
505 mech = GSS_C_NO_OID((gss_OID) 0);
506 }
507
508 /* gss_display_status(...) => GSS_S_BAD_MECH, GSS_S_BAD_STATUS */
509 // TBD: check messageContext value and repeat the call if necessary
510 major = (*ftab->displayStatus)(&minor, statusValue, GSS_C_MECH_CODE2, mech,
Value stored to 'major' is never read
511 &messageContext, &statusString);
512
513 return getJavaString(env, &statusString);
514}
515
516/*
517 * Utility routine checking the specified major and minor
518 * status codes. GSSExceptions will be thrown if they are
519 * not GSS_S_COMPLETE (i.e. 0).
520 */
521void checkStatus(JNIEnv *env, jobject jstub, OM_uint32 major,
522 OM_uint32 minor, char* methodName) {
523 int callingErr, routineErr, supplementaryInfo;
524 jint jmajor, jminor;
525 char* msg;
526 jstring jmsg;
527 jthrowable gssEx;
528
529 if (major == GSS_S_COMPLETE0) return;
530
531 callingErr = GSS_CALLING_ERROR(major)((major) & (((OM_uint32) 0377ul) << 24));
532 routineErr = GSS_ROUTINE_ERROR(major)((major) & (((OM_uint32) 0377ul) << 16));
533 supplementaryInfo = GSS_SUPPLEMENTARY_INFO(major)((major) & (((OM_uint32) 0177777ul) << 0));
534
535 TRACE3("%s Status major/minor = %x/%d", methodName, major, minor){ if (JGSS_DEBUG) { __printf_chk (2 - 1, "[GSSLibStub:%d] ""%s Status major/minor = %x/%d"
"\n", 535, methodName, major, minor); fflush(stdout); }};
536 TRACE3("c/r/s = %d/%d/%d ", callingErr>>24, routineErr>>16,{ if (JGSS_DEBUG) { __printf_chk (2 - 1, "[GSSLibStub:%d] ""c/r/s = %d/%d/%d "
"\n", 537, callingErr>>24, routineErr>>16, supplementaryInfo
); fflush(stdout); }}
537 supplementaryInfo){ if (JGSS_DEBUG) { __printf_chk (2 - 1, "[GSSLibStub:%d] ""c/r/s = %d/%d/%d "
"\n", 537, callingErr>>24, routineErr>>16, supplementaryInfo
); fflush(stdout); }};
538
539 jmajor = getJavaErrorCode(routineErr | supplementaryInfo);
540 jminor = minor;
541 if (jmajor != GSS_S_COMPLETE0) {
542 jmsg = NULL((void*)0);
543 if (minor != 0) {
544 jmsg = getMinorMessage(env, jstub, minor);
545 if ((*env)->ExceptionCheck(env)) {
546 return;
547 }
548 }
549
550 gssEx = (*env)->NewObject(env, CLS_GSSException,
551 MID_GSSException_ctor3,
552 jmajor, jminor, jmsg);
553 if (gssEx != NULL((void*)0)) {
554 (*env)->Throw(env, gssEx);
555 }
556 } else {
557 /* Error in calling the GSS api */
558 if (callingErr == GSS_S_CALL_INACCESSIBLE_READ(((OM_uint32) 1ul) << 24)) {
559 msg = "A required input parameter cannot be read";
560 } else if (callingErr == GSS_S_CALL_INACCESSIBLE_WRITE(((OM_uint32) 2ul) << 24)) {
561 msg = "A required output parameter cannot be write";
562 } else {
563 msg = "A parameter was malformed";
564 }
565 jmajor = 13; /* use GSSException.FAILURE for now */
566 jmsg = (*env)->NewStringUTF(env, msg);
567 if (jmsg == NULL((void*)0)) {
568 return;
569 }
570 gssEx = (*env)->NewObject(env, CLS_GSSException,
571 MID_GSSException_ctor3,
572 jmajor, jminor, jmsg);
573 if (gssEx != NULL((void*)0)) {
574 (*env)->Throw(env, gssEx);
575 }
576 }
577}
578
579/*
580 * Utility routine for initializing gss_buffer_t structure
581 * with the byte[] in the specified jbyteArray object.
582 * NOTE: must call resetGSSBuffer() to free up the resources
583 * inside the gss_buffer_t structure.
584 */
585void initGSSBuffer(JNIEnv *env, jbyteArray jbytes,
586 gss_buffer_t cbytes) {
587
588 int len;
589 void* value;
590
591 if (jbytes != NULL((void*)0)) {
592 len = (*env)->GetArrayLength(env, jbytes);
593 value = malloc(len);
594 if (value == NULL((void*)0)) {
595 throwOutOfMemoryError(env, NULL((void*)0));
596 return;
597 } else {
598 (*env)->GetByteArrayRegion(env, jbytes, 0, len, value);
599 if ((*env)->ExceptionCheck(env)) {
600 free(value);
601 return;
602 } else {
603 cbytes->length = len;
604 cbytes->value = value;
605 }
606 }
607 } else {
608 cbytes->length = 0;
609 cbytes->value = NULL((void*)0);
610 }
611}
612
613/*
614 * Utility routine for freeing the bytes malloc'ed
615 * in initGSSBuffer() method.
616 * NOTE: used in conjunction with initGSSBuffer(...).
617 */
618void resetGSSBuffer(gss_buffer_t cbytes) {
619 if ((cbytes != NULL((void*)0)) && (cbytes != GSS_C_NO_BUFFER((gss_buffer_t) 0))) {
620 free(cbytes->value);
621 cbytes->length = 0;
622 cbytes->value = NULL((void*)0);
623 }
624}
625
626/*
627 * Utility routine for creating a jbyteArray object using
628 * the byte[] value in specified gss_buffer_t structure.
629 * NOTE: the specified gss_buffer_t structure is always
630 * released.
631 */
632jbyteArray getJavaBuffer(JNIEnv *env, gss_buffer_t cbytes) {
633 jbyteArray result = NULL((void*)0);
634 OM_uint32 minor; // don't care, just so it compiles
635
636 if (cbytes != NULL((void*)0)) {
637 if ((cbytes != GSS_C_NO_BUFFER((gss_buffer_t) 0)) && (cbytes->length != 0)) {
638 result = (*env)->NewByteArray(env, (int) cbytes->length);
639 if (result == NULL((void*)0)) {
640 goto finish;
641 }
642 (*env)->SetByteArrayRegion(env, result, 0, (int) cbytes->length,
643 cbytes->value);
644 if ((*env)->ExceptionCheck(env)) {
645 result = NULL((void*)0);
646 }
647 }
648 finish:
649 (*ftab->releaseBuffer)(&minor, cbytes);
650 return result;
651 }
652 return NULL((void*)0);
653}
654
655/*
656 * Utility routine for creating a non-mech gss_OID using
657 * the specified org.ietf.jgss.Oid object.
658 * NOTE: must call deleteGSSOID(...) to free up the gss_OID.
659 */
660gss_OID newGSSOID(JNIEnv *env, jobject jOid) {
661 jbyteArray jbytes;
662 gss_OID cOid;
663 if (jOid != NULL((void*)0)) {
664 jbytes = (*env)->CallObjectMethod(env, jOid, MID_Oid_getDER);
665 if ((*env)->ExceptionCheck(env)) {
666 return GSS_C_NO_OID((gss_OID) 0);
667 }
668 cOid = malloc(sizeof(struct gss_OID_desc_struct));
669 if (cOid == NULL((void*)0)) {
670 throwOutOfMemoryError(env,NULL((void*)0));
671 return GSS_C_NO_OID((gss_OID) 0);
672 }
673 cOid->length = (*env)->GetArrayLength(env, jbytes) - 2;
674 cOid->elements = malloc(cOid->length);
675 if (cOid->elements == NULL((void*)0)) {
676 throwOutOfMemoryError(env,NULL((void*)0));
677 goto cleanup;
678 }
679 (*env)->GetByteArrayRegion(env, jbytes, 2, cOid->length,
680 cOid->elements);
681 if ((*env)->ExceptionCheck(env)) {
682 goto cleanup;
683 }
684 return cOid;
685 } else {
686 return GSS_C_NO_OID((gss_OID) 0);
687 }
688 cleanup:
689 (*env)->DeleteLocalRef(env, jbytes);
690 free(cOid->elements);
691 free(cOid);
692 return GSS_C_NO_OID((gss_OID) 0);
693}
694
695/*
696 * Utility routine for releasing the specified gss_OID
697 * structure.
698 * NOTE: used in conjunction with newGSSOID(...).
699 */
700void deleteGSSOID(gss_OID oid) {
701 if (oid != GSS_C_NO_OID((gss_OID) 0)) {
702 free(oid->elements);
703 free(oid);
704 }
705}
706
707/*
708 * Utility routine for creating a org.ietf.jgss.Oid
709 * object using the specified gss_OID structure.
710 */
711jobject getJavaOID(JNIEnv *env, gss_OID cOid) {
712 int cLen;
713 char oidHdr[2];
714 jbyteArray jbytes;
715 jobject result = NULL((void*)0);
716
717 if ((cOid == NULL((void*)0)) || (cOid == GSS_C_NO_OID((gss_OID) 0))) {
718 return NULL((void*)0);
719 }
720 cLen = cOid->length;
721 oidHdr[0] = 6;
722 oidHdr[1] = cLen;
723 jbytes = (*env)->NewByteArray(env, cLen+2);
724 if (jbytes == NULL((void*)0)) {
725 return NULL((void*)0);
726 }
727 if (!(*env)->ExceptionCheck(env)) {
728 (*env)->SetByteArrayRegion(env, jbytes, 0, 2, (jbyte *) oidHdr);
729 }
730 if (!(*env)->ExceptionCheck(env)) {
731 (*env)->SetByteArrayRegion(env, jbytes, 2, cLen, (jbyte *) cOid->elements);
732 }
733 if (!(*env)->ExceptionCheck(env)) {
734 result = (*env)->NewObject(env, CLS_Oid, MID_Oid_ctor1, jbytes);
735 }
736 (*env)->DeleteLocalRef(env, jbytes);
737 return result;
738}
739/*
740 * Utility routine for creating a gss_OID_set structure
741 * using the specified gss_OID.
742 * NOTE: need to call deleteGSSOIDSet(...) afterwards
743 * to release the created gss_OID_set structure.
744 */
745gss_OID_set newGSSOIDSet(gss_OID oid) {
746 gss_OID_set oidSet;
747 OM_uint32 minor; // don't care; just so it compiles
748
749 if (oid->length != 6 ||
750 memcmp(oid->elements, SPNEGO_BYTES, 6) != 0) {
751 (*ftab->createEmptyOidSet)(&minor, &oidSet);
752 (*ftab->addOidSetMember)(&minor, oid, &oidSet);
753 return oidSet;
754 } else {
755 // Use all mechs for SPNEGO in order to work with
756 // various native GSS impls
757 return (ftab->mechs);
758 }
759}
760/*
761 * Utility routine for releasing a gss_OID_set structure.
762 * NOTE: used in conjunction with newGSSOIDSet(...).
763 */
764void deleteGSSOIDSet(gss_OID_set oidSet) {
765 OM_uint32 minor; /* don't care; just so it compiles */
766
767 if ((oidSet != ftab->mechs) &&
768 (oidSet != NULL((void*)0)) && (oidSet != GSS_C_NO_OID_SET((gss_OID_set) 0))) {
769 (*ftab->releaseOidSet)(&minor, &oidSet);
770 }
771}
772/*
773 * Utility routine for creating a org.ietf.jgss.Oid[]
774 * using the specified gss_OID_set structure.
775 */
776jobjectArray getJavaOIDArray(JNIEnv *env, gss_OID_set cOidSet) {
777 int numOfOids = 0;
778 jobjectArray jOidSet;
779 jobject jOid;
780 int i;
781
782 if (cOidSet != NULL((void*)0) && cOidSet != GSS_C_NO_OID_SET((gss_OID_set) 0)) {
783 numOfOids = (int) cOidSet->count;
784 jOidSet = (*env)->NewObjectArray(env, numOfOids, CLS_Oid, NULL((void*)0));
785 if ((*env)->ExceptionCheck(env)) {
786 return NULL((void*)0);
787 }
788 for (i = 0; i < numOfOids; i++) {
789 jOid = getJavaOID(env, &(cOidSet->elements[i]));
790 if ((*env)->ExceptionCheck(env)) {
791 return NULL((void*)0);
792 }
793 (*env)->SetObjectArrayElement(env, jOidSet, i, jOid);
794 if ((*env)->ExceptionCheck(env)) {
795 return NULL((void*)0);
796 }
797 (*env)->DeleteLocalRef(env, jOid);
798 }
799 return jOidSet;
800 }
801 return NULL((void*)0);
802}
803
804int sameMech(gss_OID mech, gss_OID mech2) {
805 int result = JNI_FALSE0; // default to not equal
806
807 if (mech->length == mech2->length) {
808 result = (memcmp(mech->elements, mech2->elements, mech->length) == 0);
809 }
810 return result;
811}