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-rw-r--r--src/lib/libcrypto/dso/dso_lib.c454
1 files changed, 0 insertions, 454 deletions
diff --git a/src/lib/libcrypto/dso/dso_lib.c b/src/lib/libcrypto/dso/dso_lib.c
deleted file mode 100644
index 3002e4d99c..0000000000
--- a/src/lib/libcrypto/dso/dso_lib.c
+++ /dev/null
@@ -1,454 +0,0 @@
1/* $OpenBSD: dso_lib.c,v 1.18 2014/07/11 08:44:48 jsing Exp $ */
2/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
3 * project 2000.
4 */
5/* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include <string.h>
61
62#include <openssl/crypto.h>
63#include <openssl/dso.h>
64#include <openssl/err.h>
65
66static DSO_METHOD *default_DSO_meth = NULL;
67
68DSO *
69DSO_new(void)
70{
71 return (DSO_new_method(NULL));
72}
73
74void
75DSO_set_default_method(DSO_METHOD *meth)
76{
77 default_DSO_meth = meth;
78}
79
80DSO_METHOD *
81DSO_get_default_method(void)
82{
83 return (default_DSO_meth);
84}
85
86DSO_METHOD *
87DSO_get_method(DSO *dso)
88{
89 return (dso->meth);
90}
91
92DSO_METHOD *
93DSO_set_method(DSO *dso, DSO_METHOD *meth)
94{
95 DSO_METHOD *mtmp;
96
97 mtmp = dso->meth;
98 dso->meth = meth;
99 return (mtmp);
100}
101
102DSO *
103DSO_new_method(DSO_METHOD *meth)
104{
105 DSO *ret;
106
107 if (default_DSO_meth == NULL)
108 /* We default to DSO_METH_openssl() which in turn defaults
109 * to stealing the "best available" method. Will fallback
110 * to DSO_METH_null() in the worst case. */
111 default_DSO_meth = DSO_METHOD_openssl();
112 ret = calloc(1, sizeof(DSO));
113 if (ret == NULL) {
114 DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
115 return (NULL);
116 }
117 ret->meth_data = sk_void_new_null();
118 if (ret->meth_data == NULL) {
119 /* sk_new doesn't generate any errors so we do */
120 DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
121 free(ret);
122 return (NULL);
123 }
124 if (meth == NULL)
125 ret->meth = default_DSO_meth;
126 else
127 ret->meth = meth;
128 ret->references = 1;
129 if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
130 free(ret);
131 ret = NULL;
132 }
133 return (ret);
134}
135
136int
137DSO_free(DSO *dso)
138{
139 int i;
140
141 if (dso == NULL) {
142 DSOerr(DSO_F_DSO_FREE, ERR_R_PASSED_NULL_PARAMETER);
143 return (0);
144 }
145
146 i = CRYPTO_add(&dso->references, -1, CRYPTO_LOCK_DSO);
147 if (i > 0)
148 return (1);
149
150 if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
151 DSOerr(DSO_F_DSO_FREE, DSO_R_UNLOAD_FAILED);
152 return (0);
153 }
154
155 if ((dso->meth->finish != NULL) && !dso->meth->finish(dso)) {
156 DSOerr(DSO_F_DSO_FREE, DSO_R_FINISH_FAILED);
157 return (0);
158 }
159
160 sk_void_free(dso->meth_data);
161 free(dso->filename);
162 free(dso->loaded_filename);
163 free(dso);
164 return (1);
165}
166
167int
168DSO_flags(DSO *dso)
169{
170 return ((dso == NULL) ? 0 : dso->flags);
171}
172
173
174int
175DSO_up_ref(DSO *dso)
176{
177 if (dso == NULL) {
178 DSOerr(DSO_F_DSO_UP_REF, ERR_R_PASSED_NULL_PARAMETER);
179 return (0);
180 }
181
182 CRYPTO_add(&dso->references, 1, CRYPTO_LOCK_DSO);
183 return (1);
184}
185
186DSO *
187DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
188{
189 DSO *ret;
190 int allocated = 0;
191
192 if (dso == NULL) {
193 ret = DSO_new_method(meth);
194 if (ret == NULL) {
195 DSOerr(DSO_F_DSO_LOAD, ERR_R_MALLOC_FAILURE);
196 goto err;
197 }
198 allocated = 1;
199 /* Pass the provided flags to the new DSO object */
200 if (DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0) {
201 DSOerr(DSO_F_DSO_LOAD, DSO_R_CTRL_FAILED);
202 goto err;
203 }
204 } else
205 ret = dso;
206 /* Don't load if we're currently already loaded */
207 if (ret->filename != NULL) {
208 DSOerr(DSO_F_DSO_LOAD, DSO_R_DSO_ALREADY_LOADED);
209 goto err;
210 }
211 /* filename can only be NULL if we were passed a dso that already has
212 * one set. */
213 if (filename != NULL)
214 if (!DSO_set_filename(ret, filename)) {
215 DSOerr(DSO_F_DSO_LOAD, DSO_R_SET_FILENAME_FAILED);
216 goto err;
217 }
218 filename = ret->filename;
219 if (filename == NULL) {
220 DSOerr(DSO_F_DSO_LOAD, DSO_R_NO_FILENAME);
221 goto err;
222 }
223 if (ret->meth->dso_load == NULL) {
224 DSOerr(DSO_F_DSO_LOAD, DSO_R_UNSUPPORTED);
225 goto err;
226 }
227 if (!ret->meth->dso_load(ret)) {
228 DSOerr(DSO_F_DSO_LOAD, DSO_R_LOAD_FAILED);
229 goto err;
230 }
231 /* Load succeeded */
232 return (ret);
233
234err:
235 if (allocated)
236 DSO_free(ret);
237 return (NULL);
238}
239
240void *
241DSO_bind_var(DSO *dso, const char *symname)
242{
243 void *ret = NULL;
244
245 if ((dso == NULL) || (symname == NULL)) {
246 DSOerr(DSO_F_DSO_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
247 return (NULL);
248 }
249 if (dso->meth->dso_bind_var == NULL) {
250 DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_UNSUPPORTED);
251 return (NULL);
252 }
253 if ((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) {
254 DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_SYM_FAILURE);
255 return (NULL);
256 }
257 /* Success */
258 return (ret);
259}
260
261DSO_FUNC_TYPE
262DSO_bind_func(DSO *dso, const char *symname)
263{
264 DSO_FUNC_TYPE ret = NULL;
265
266 if ((dso == NULL) || (symname == NULL)) {
267 DSOerr(DSO_F_DSO_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER);
268 return (NULL);
269 }
270 if (dso->meth->dso_bind_func == NULL) {
271 DSOerr(DSO_F_DSO_BIND_FUNC, DSO_R_UNSUPPORTED);
272 return (NULL);
273 }
274 if ((ret = dso->meth->dso_bind_func(dso, symname)) == NULL) {
275 DSOerr(DSO_F_DSO_BIND_FUNC, DSO_R_SYM_FAILURE);
276 return (NULL);
277 }
278 /* Success */
279 return (ret);
280}
281
282/* I don't really like these *_ctrl functions very much to be perfectly
283 * honest. For one thing, I think I have to return a negative value for
284 * any error because possible DSO_ctrl() commands may return values
285 * such as "size"s that can legitimately be zero (making the standard
286 * "if(DSO_cmd(...))" form that works almost everywhere else fail at
287 * odd times. I'd prefer "output" values to be passed by reference and
288 * the return value as success/failure like usual ... but we conform
289 * when we must... :-) */
290long
291DSO_ctrl(DSO *dso, int cmd, long larg, void *parg)
292{
293 if (dso == NULL) {
294 DSOerr(DSO_F_DSO_CTRL, ERR_R_PASSED_NULL_PARAMETER);
295 return (-1);
296 }
297 /* We should intercept certain generic commands and only pass control
298 * to the method-specific ctrl() function if it's something we don't
299 * handle. */
300 switch (cmd) {
301 case DSO_CTRL_GET_FLAGS:
302 return dso->flags;
303 case DSO_CTRL_SET_FLAGS:
304 dso->flags = (int)larg;
305 return (0);
306 case DSO_CTRL_OR_FLAGS:
307 dso->flags |= (int)larg;
308 return (0);
309 default:
310 break;
311 }
312 if ((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL)) {
313 DSOerr(DSO_F_DSO_CTRL, DSO_R_UNSUPPORTED);
314 return (-1);
315 }
316 return (dso->meth->dso_ctrl(dso, cmd, larg, parg));
317}
318
319int
320DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb,
321 DSO_NAME_CONVERTER_FUNC *oldcb)
322{
323 if (dso == NULL) {
324 DSOerr(DSO_F_DSO_SET_NAME_CONVERTER,
325 ERR_R_PASSED_NULL_PARAMETER);
326 return (0);
327 }
328 if (oldcb)
329 *oldcb = dso->name_converter;
330 dso->name_converter = cb;
331 return (1);
332}
333
334const char *
335DSO_get_filename(DSO *dso)
336{
337 if (dso == NULL) {
338 DSOerr(DSO_F_DSO_GET_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
339 return (NULL);
340 }
341 return (dso->filename);
342}
343
344int
345DSO_set_filename(DSO *dso, const char *filename)
346{
347 char *copied;
348
349 if ((dso == NULL) || (filename == NULL)) {
350 DSOerr(DSO_F_DSO_SET_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
351 return (0);
352 }
353 if (dso->loaded_filename) {
354 DSOerr(DSO_F_DSO_SET_FILENAME, DSO_R_DSO_ALREADY_LOADED);
355 return (0);
356 }
357 /* We'll duplicate filename */
358 copied = strdup(filename);
359 if (copied == NULL) {
360 DSOerr(DSO_F_DSO_SET_FILENAME, ERR_R_MALLOC_FAILURE);
361 return (0);
362 }
363 free(dso->filename);
364 dso->filename = copied;
365 return (1);
366}
367
368char *
369DSO_merge(DSO *dso, const char *filespec1, const char *filespec2)
370{
371 char *result = NULL;
372
373 if (dso == NULL || filespec1 == NULL) {
374 DSOerr(DSO_F_DSO_MERGE, ERR_R_PASSED_NULL_PARAMETER);
375 return (NULL);
376 }
377 if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) {
378 if (dso->merger != NULL)
379 result = dso->merger(dso, filespec1, filespec2);
380 else if (dso->meth->dso_merger != NULL)
381 result = dso->meth->dso_merger(dso,
382 filespec1, filespec2);
383 }
384 return (result);
385}
386
387char *
388DSO_convert_filename(DSO *dso, const char *filename)
389{
390 char *result = NULL;
391
392 if (dso == NULL) {
393 DSOerr(DSO_F_DSO_CONVERT_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
394 return (NULL);
395 }
396 if (filename == NULL)
397 filename = dso->filename;
398 if (filename == NULL) {
399 DSOerr(DSO_F_DSO_CONVERT_FILENAME, DSO_R_NO_FILENAME);
400 return (NULL);
401 }
402 if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) {
403 if (dso->name_converter != NULL)
404 result = dso->name_converter(dso, filename);
405 else if (dso->meth->dso_name_converter != NULL)
406 result = dso->meth->dso_name_converter(dso, filename);
407 }
408 if (result == NULL) {
409 result = strdup(filename);
410 if (result == NULL) {
411 DSOerr(DSO_F_DSO_CONVERT_FILENAME,
412 ERR_R_MALLOC_FAILURE);
413 return (NULL);
414 }
415 }
416 return (result);
417}
418
419const char *
420DSO_get_loaded_filename(DSO *dso)
421{
422 if (dso == NULL) {
423 DSOerr(DSO_F_DSO_GET_LOADED_FILENAME,
424 ERR_R_PASSED_NULL_PARAMETER);
425 return (NULL);
426 }
427 return (dso->loaded_filename);
428}
429
430int
431DSO_pathbyaddr(void *addr, char *path, int sz)
432{
433 DSO_METHOD *meth = default_DSO_meth;
434 if (meth == NULL)
435 meth = DSO_METHOD_openssl();
436 if (meth->pathbyaddr == NULL) {
437 DSOerr(DSO_F_DSO_PATHBYADDR, DSO_R_UNSUPPORTED);
438 return -1;
439 }
440 return (*meth->pathbyaddr)(addr, path, sz);
441}
442
443void *
444DSO_global_lookup(const char *name)
445{
446 DSO_METHOD *meth = default_DSO_meth;
447 if (meth == NULL)
448 meth = DSO_METHOD_openssl();
449 if (meth->globallookup == NULL) {
450 DSOerr(DSO_F_DSO_GLOBAL_LOOKUP, DSO_R_UNSUPPORTED);
451 return NULL;
452 }
453 return (*meth->globallookup)(name);
454}
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