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805e021f CE |
1 | /* |
2 | * Copyright (c) 2001-2002 International Business Machines Corp. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This software has been released under the terms of the IBM Public | |
6 | * License. For details, see the LICENSE file in the top-level source | |
7 | * directory or online at http://www.openafs.org/dl/license10.html | |
8 | * | |
9 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
10 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
11 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
12 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR | |
13 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
14 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
15 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
16 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
17 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
18 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
19 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
20 | */ | |
21 | ||
22 | #include <afsconfig.h> | |
23 | #include <afs/param.h> | |
24 | ||
25 | #include "Internal.h" | |
26 | #include "org_openafs_jafs_Token.h" | |
27 | ||
28 | #include <sys/stat.h> | |
29 | #include <sys/ioctl.h> | |
30 | #include <afs/vice.h> | |
31 | #include <netinet/in.h> | |
32 | #include <afs/venus.h> | |
33 | #include <afs/afs_args.h> | |
34 | /*#include <afs/afs_osi.h> | |
35 | #include <afs/afs_usrops.h>*/ | |
36 | #include <pthread.h> | |
37 | ||
38 | #ifdef DMALLOC | |
39 | #include "dmalloc.h" | |
40 | #endif | |
41 | ||
42 | pthread_mutex_t jafs_init_lock; | |
43 | extern pthread_mutex_t jafs_login_lock; | |
44 | extern int readCacheParms(char *afsMountPoint, char *afsConfDir, | |
45 | char *afsCacheDir, int *cacheBlocks, | |
46 | int *cacheFiles, int *cacheStatEntries, | |
47 | int *dCacheSize, int *vCacheSize, int *chunkSize, | |
48 | int *closeSynch, int *debug, int *nDaemons, | |
49 | int *cacheFlags, char *logFile); | |
50 | ||
51 | /** | |
52 | * Be carefull with the memory management: | |
53 | * | |
54 | * - For every GetStringUTFChars call the corresponding ReleaseStringUTFChars. | |
55 | * - For every Get<type>ArrayElements call the corresponding | |
56 | * Release<type>ArrayElements | |
57 | * - For every malloc call the corresponding free. | |
58 | */ | |
59 | ||
60 | int osi_audit(void) | |
61 | { | |
62 | return 0; | |
63 | } | |
64 | ||
65 | /*JNIEXPORT void JNICALL Java_org_openafs_jafs_Token_callDebugger | |
66 | (JNIEnv *env, jobject obj) | |
67 | { | |
68 | fprintf(stderr, "callDebugger called\n"); | |
69 | __asm__("int $0x3"); | |
70 | }*/ | |
71 | ||
72 | /** | |
73 | * Initialize the user space library. | |
74 | * | |
75 | * The user space client must be initialized prior to any | |
76 | * user space related methods, including: klog, unlog, relog, | |
77 | * and shutdown. | |
78 | * | |
79 | * env the Java environment | |
80 | * cls the current Java class | |
81 | * | |
82 | * throws AFSException | |
83 | */ | |
84 | JNIEXPORT void JNICALL Java_org_openafs_jafs_Token_initUserSpace | |
85 | (JNIEnv *env, jclass cls) | |
86 | { | |
87 | char afsMountPoint[100], afsConfDir[100], afsCacheDir[100], logFile[100]; | |
88 | jfieldID fid; | |
89 | int pagval; | |
90 | ||
91 | /* Initialize each init parameter with its associated default value */ | |
92 | int cacheBlocks = 100000; | |
93 | int cacheFiles = 12500; | |
94 | int cacheStatEntries = 8192; | |
95 | int dCacheSize = 11398; | |
96 | int vCacheSize = 128; | |
97 | int chunkSize = 0; | |
98 | int closeSynch = 0; | |
99 | int debug = 0; | |
100 | int nDaemons = 3; | |
101 | int cacheFlags = -1; | |
102 | ||
103 | /* Initialize each init parameter with its associated default value */ | |
104 | strcpy(afsMountPoint, "/afs"); | |
105 | strcpy(afsConfDir, "/usr/afswsp/etc"); | |
106 | strcpy(afsCacheDir, "/usr/afswsp/cache"); | |
107 | strcpy(logFile, "/usr/afswsp/log/libjafs.log"); | |
108 | ||
109 | pthread_mutex_init(&jafs_init_lock, NULL); | |
110 | pthread_mutex_lock(&jafs_init_lock); | |
111 | ||
112 | readCacheParms(afsMountPoint, afsConfDir, afsCacheDir, | |
113 | &cacheBlocks, &cacheFiles, &cacheStatEntries, | |
114 | &dCacheSize, &vCacheSize, &chunkSize, | |
115 | &closeSynch, &debug, &nDaemons, &cacheFlags, | |
116 | logFile); | |
117 | ||
118 | /* See cache.tune for configuration details */ | |
119 | if (debug) { | |
120 | fprintf(stderr, "uafs_Init(\"init_native\", \"%s\", \"%s\", \"%s\"", | |
121 | "%d, %d, %d," | |
122 | "%d, %d, %d," | |
123 | "%d, %d, %d, %d, \"%s\");\n", | |
124 | afsMountPoint, afsConfDir, afsCacheDir, | |
125 | cacheBlocks, cacheFiles, cacheStatEntries, | |
126 | dCacheSize, vCacheSize, chunkSize, | |
127 | closeSynch, debug, nDaemons, cacheFlags, logFile); | |
128 | } | |
129 | uafs_Init("init_native", afsMountPoint, afsConfDir, afsCacheDir, | |
130 | cacheBlocks, cacheFiles, cacheStatEntries, | |
131 | dCacheSize, vCacheSize, chunkSize, | |
132 | closeSynch, debug, nDaemons, cacheFlags, logFile); | |
133 | ||
134 | ||
135 | /* make the initial pag the unauthenticated pag */ | |
136 | afs_setpag(); | |
137 | uafs_unlog(); | |
138 | pagval = afs_getpag_val(); | |
139 | ||
140 | fid = (*env)->GetStaticFieldID(env, cls, "ANYUSER_PAG_ID", "I"); | |
141 | if (fid == 0) { | |
142 | fprintf(stderr, | |
143 | "UserToken::init(): GetFieldID (ANYUSER_PAG_ID) failed\n"); | |
144 | return; | |
145 | } | |
146 | ||
147 | (*env)->SetStaticIntField(env, cls, fid, pagval); | |
148 | ||
149 | pthread_mutex_unlock(&jafs_init_lock); | |
150 | } | |
151 | ||
152 | /** | |
153 | * Authenticates a user in kas, and binds that authentication | |
154 | * to the current process. | |
155 | * | |
156 | * env the Java environment | |
157 | * obj the current Java class | |
158 | * loginUTF the login to authenticate (expected as username@cellname) | |
159 | * passwordUTF the password of the login | |
160 | * id the existing pag (or 0) | |
161 | * | |
162 | * returns the assigned pag | |
163 | * | |
164 | * throws AFSException | |
165 | */ | |
166 | JNIEXPORT jint JNICALL | |
167 | Java_org_openafs_jafs_Token_klog (JNIEnv *env, jobject obj, | |
168 | jstring jusername, jstring jpassword, jstring jcell, jint id) | |
169 | { | |
170 | char *username; | |
171 | char *password; | |
172 | char *cell; | |
173 | char *reason; | |
174 | jint rc = -1; | |
175 | int code; | |
176 | ||
177 | if( jcell != NULL ) { | |
178 | cell = (char*) (*env)->GetStringUTFChars(env, jcell, 0); | |
179 | if( !cell ) { | |
180 | char *error = "UserToken::klog(): failed to get cell name\n"; | |
181 | fprintf(stderr, error); | |
182 | throwMessageException( env, error ); | |
183 | return -1; | |
184 | } | |
185 | } else { | |
186 | cell = NULL; | |
187 | } | |
188 | ||
189 | if( jusername != NULL ) { | |
190 | username = (char*) (*env)->GetStringUTFChars(env, jusername, 0); | |
191 | if( !username ) { | |
192 | char *error = "UserToken::klog(): failed to get username\n"; | |
193 | (*env)->ReleaseStringUTFChars(env, jcell, cell); | |
194 | fprintf(stderr, error); | |
195 | throwMessageException( env, error ); | |
196 | return -1; | |
197 | } | |
198 | } else { | |
199 | username = NULL; | |
200 | } | |
201 | if( jpassword != NULL ) { | |
202 | password = (char*) (*env)->GetStringUTFChars(env, jpassword, 0); | |
203 | if( !password ) { | |
204 | char *error = "UserToken::klog(): failed to get password\n"; | |
205 | (*env)->ReleaseStringUTFChars(env, jcell, cell); | |
206 | (*env)->ReleaseStringUTFChars(env, jusername, username); | |
207 | fprintf(stderr, error); | |
208 | throwMessageException( env, error ); | |
209 | return -1; | |
210 | } | |
211 | } else { | |
212 | password = NULL; | |
213 | } | |
214 | ||
215 | if (id == 0) { | |
216 | code = uafs_klog(username, cell, password, &reason); | |
217 | } else { | |
218 | /* Use existing PAG for this thread */ | |
219 | code = afs_setpag_val(id); | |
220 | if (code != 0) code = 180492L; /* KABADARGUMENT */ | |
221 | if (!code) code = uafs_klog_nopag(username, cell, password, &reason); | |
222 | } | |
223 | ||
224 | if (code != 0) { | |
225 | if( cell != NULL ) { | |
226 | (*env)->ReleaseStringUTFChars(env, jcell, cell); | |
227 | } | |
228 | if( username != NULL ) { | |
229 | (*env)->ReleaseStringUTFChars(env, jusername, username); | |
230 | } | |
231 | if( password != NULL ) { | |
232 | (*env)->ReleaseStringUTFChars(env, jpassword, password); | |
233 | } | |
234 | fprintf(stderr, "UserToken::klog(): uafs_klog failed to cell %s: %s\n", | |
235 | cell, reason); | |
236 | fprintf(stderr, "code = %d\n", code); | |
237 | throwAFSException( env, code ); | |
238 | } | |
239 | ||
240 | /* Get the PAG we were assigned as the return value */ | |
241 | rc = afs_getpag_val(); | |
242 | ||
243 | /* clean up */ | |
244 | if( cell != NULL ) { | |
245 | (*env)->ReleaseStringUTFChars(env, jcell, cell); | |
246 | } | |
247 | if( username != NULL ) { | |
248 | (*env)->ReleaseStringUTFChars(env, jusername, username); | |
249 | } | |
250 | if( password != NULL ) { | |
251 | (*env)->ReleaseStringUTFChars(env, jpassword, password); | |
252 | } | |
253 | ||
254 | /* return PAG ID */ | |
255 | return rc; | |
256 | } | |
257 | ||
258 | /** | |
259 | * Authenticates a user in KAS by a previously acquired PAG ID, and binds | |
260 | * that authentication to the current thread or native process. | |
261 | * | |
262 | * <P> This method does not require the user's username and password to | |
263 | * fully authenticate their request. Rather it utilizes the user's PAG ID | |
264 | * to recapture the user's existing credentials. | |
265 | * | |
266 | * env the Java environment | |
267 | * obj the current Java class | |
268 | * id User's current PAG (process authentication group) ID | |
269 | * | |
270 | * throws AFSException | |
271 | */ | |
272 | JNIEXPORT void JNICALL Java_org_openafs_jafs_Token_relog | |
273 | (JNIEnv *env, jobject obj, jint id) | |
274 | { | |
275 | int rc; | |
276 | ||
277 | rc = afs_setpag_val(id); | |
278 | ||
279 | if (rc != 0) { | |
280 | throwAFSException( env, rc ); | |
281 | } | |
282 | } | |
283 | ||
284 | /** | |
285 | * Authenticates a user in KAS, and binds that authentication | |
286 | * to the current process. | |
287 | * | |
288 | * env the Java environment | |
289 | * obj the current Java class | |
290 | * | |
291 | * throws AFSException | |
292 | */ | |
293 | JNIEXPORT void JNICALL Java_org_openafs_jafs_Token_unlog | |
294 | (JNIEnv *env, jobject obj) | |
295 | { | |
296 | int rc; | |
297 | ||
298 | rc = uafs_unlog(); | |
299 | ||
300 | if (rc != 0) { | |
301 | throwAFSException( env, rc ); | |
302 | } | |
303 | } | |
304 | ||
305 | /** | |
306 | * Inform the native library that the application is | |
307 | * shutting down and will be unloading. | |
308 | * | |
309 | * <p> The library will make a call informing the file server that it will | |
310 | * no longer be available for callbacks. | |
311 | * | |
312 | * env the Java environment | |
313 | * obj the current Java class | |
314 | * | |
315 | * throws AFSException | |
316 | */ | |
317 | JNIEXPORT void JNICALL Java_org_openafs_jafs_Token_shutdown | |
318 | (JNIEnv *env, jobject obj) | |
319 | { | |
320 | uafs_Shutdown(); | |
321 | } | |
322 | ||
323 | ||
324 | ||
325 |