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diff --git a/src/lib/libcrypto/dso/dso_dlfcn.c b/src/lib/libcrypto/dso/dso_dlfcn.c
deleted file mode 100644
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1/* dso_dlfcn.c */
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#ifdef __linux
60#define _GNU_SOURCE
61#endif
62
63#include <stdio.h>
64#include "cryptlib.h"
65#include <openssl/dso.h>
66
67#ifndef DSO_DLFCN
68DSO_METHOD *DSO_METHOD_dlfcn(void)
69 {
70 return NULL;
71 }
72#else
73
74#ifdef HAVE_DLFCN_H
75#include <dlfcn.h>
76#endif
77
78/* Part of the hack in "dlfcn_load" ... */
79#define DSO_MAX_TRANSLATED_SIZE 256
80
81static int dlfcn_load(DSO *dso);
82static int dlfcn_unload(DSO *dso);
83static void *dlfcn_bind_var(DSO *dso, const char *symname);
84static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname);
85#if 0
86static int dlfcn_unbind(DSO *dso, char *symname, void *symptr);
87static int dlfcn_init(DSO *dso);
88static int dlfcn_finish(DSO *dso);
89static long dlfcn_ctrl(DSO *dso, int cmd, long larg, void *parg);
90#endif
91static char *dlfcn_name_converter(DSO *dso, const char *filename);
92
93static DSO_METHOD dso_meth_dlfcn = {
94 "OpenSSL 'dlfcn' shared library method",
95 dlfcn_load,
96 dlfcn_unload,
97 dlfcn_bind_var,
98 dlfcn_bind_func,
99/* For now, "unbind" doesn't exist */
100#if 0
101 NULL, /* unbind_var */
102 NULL, /* unbind_func */
103#endif
104 NULL, /* ctrl */
105 dlfcn_name_converter,
106 NULL, /* init */
107 NULL /* finish */
108 };
109
110DSO_METHOD *DSO_METHOD_dlfcn(void)
111 {
112 return(&dso_meth_dlfcn);
113 }
114
115/* Prior to using the dlopen() function, we should decide on the flag
116 * we send. There's a few different ways of doing this and it's a
117 * messy venn-diagram to match up which platforms support what. So
118 * as we don't have autoconf yet, I'm implementing a hack that could
119 * be hacked further relatively easily to deal with cases as we find
120 * them. Initially this is to cope with OpenBSD. */
121#if defined(__OpenBSD__) || defined(__NetBSD__)
122# ifdef DL_LAZY
123# define DLOPEN_FLAG DL_LAZY
124# else
125# ifdef RTLD_NOW
126# define DLOPEN_FLAG RTLD_NOW
127# else
128# define DLOPEN_FLAG 0
129# endif
130# endif
131#else
132# ifdef OPENSSL_SYS_SUNOS
133# define DLOPEN_FLAG 1
134# else
135# define DLOPEN_FLAG RTLD_NOW /* Hope this works everywhere else */
136# endif
137#endif
138
139/* For this DSO_METHOD, our meth_data STACK will contain;
140 * (i) the handle (void*) returned from dlopen().
141 */
142
143static int dlfcn_load(DSO *dso)
144 {
145 void *ptr = NULL;
146 /* See applicable comments in dso_dl.c */
147 char *filename = DSO_convert_filename(dso, NULL);
148
149 if(filename == NULL)
150 {
151 DSOerr(DSO_F_DLFCN_LOAD,DSO_R_NO_FILENAME);
152 goto err;
153 }
154 ptr = dlopen(filename, DLOPEN_FLAG);
155 if(ptr == NULL)
156 {
157 DSOerr(DSO_F_DLFCN_LOAD,DSO_R_LOAD_FAILED);
158 ERR_add_error_data(4, "filename(", filename, "): ", dlerror());
159 goto err;
160 }
161 if(!sk_push(dso->meth_data, (char *)ptr))
162 {
163 DSOerr(DSO_F_DLFCN_LOAD,DSO_R_STACK_ERROR);
164 goto err;
165 }
166 /* Success */
167 dso->loaded_filename = filename;
168 return(1);
169err:
170 /* Cleanup! */
171 if(filename != NULL)
172 OPENSSL_free(filename);
173 if(ptr != NULL)
174 dlclose(ptr);
175 return(0);
176}
177
178static int dlfcn_unload(DSO *dso)
179 {
180 void *ptr;
181 if(dso == NULL)
182 {
183 DSOerr(DSO_F_DLFCN_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
184 return(0);
185 }
186 if(sk_num(dso->meth_data) < 1)
187 return(1);
188 ptr = (void *)sk_pop(dso->meth_data);
189 if(ptr == NULL)
190 {
191 DSOerr(DSO_F_DLFCN_UNLOAD,DSO_R_NULL_HANDLE);
192 /* Should push the value back onto the stack in
193 * case of a retry. */
194 sk_push(dso->meth_data, (char *)ptr);
195 return(0);
196 }
197 /* For now I'm not aware of any errors associated with dlclose() */
198 dlclose(ptr);
199 return(1);
200 }
201
202static void *dlfcn_bind_var(DSO *dso, const char *symname)
203 {
204 void *ptr, *sym;
205
206 if((dso == NULL) || (symname == NULL))
207 {
208 DSOerr(DSO_F_DLFCN_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER);
209 return(NULL);
210 }
211 if(sk_num(dso->meth_data) < 1)
212 {
213 DSOerr(DSO_F_DLFCN_BIND_VAR,DSO_R_STACK_ERROR);
214 return(NULL);
215 }
216 ptr = (void *)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
217 if(ptr == NULL)
218 {
219 DSOerr(DSO_F_DLFCN_BIND_VAR,DSO_R_NULL_HANDLE);
220 return(NULL);
221 }
222 sym = dlsym(ptr, symname);
223 if(sym == NULL)
224 {
225 DSOerr(DSO_F_DLFCN_BIND_VAR,DSO_R_SYM_FAILURE);
226 ERR_add_error_data(4, "symname(", symname, "): ", dlerror());
227 return(NULL);
228 }
229 return(sym);
230 }
231
232static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname)
233 {
234 void *ptr;
235 DSO_FUNC_TYPE sym, *tsym = &sym;
236
237 if((dso == NULL) || (symname == NULL))
238 {
239 DSOerr(DSO_F_DLFCN_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER);
240 return(NULL);
241 }
242 if(sk_num(dso->meth_data) < 1)
243 {
244 DSOerr(DSO_F_DLFCN_BIND_FUNC,DSO_R_STACK_ERROR);
245 return(NULL);
246 }
247 ptr = (void *)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
248 if(ptr == NULL)
249 {
250 DSOerr(DSO_F_DLFCN_BIND_FUNC,DSO_R_NULL_HANDLE);
251 return(NULL);
252 }
253 *(void**)(tsym) = dlsym(ptr, symname);
254 if(sym == NULL)
255 {
256 DSOerr(DSO_F_DLFCN_BIND_FUNC,DSO_R_SYM_FAILURE);
257 ERR_add_error_data(4, "symname(", symname, "): ", dlerror());
258 return(NULL);
259 }
260 return(sym);
261 }
262
263static char *dlfcn_name_converter(DSO *dso, const char *filename)
264 {
265 char *translated;
266 int len, rsize, transform;
267
268 len = strlen(filename);
269 rsize = len + 1;
270 transform = (strstr(filename, "/") == NULL);
271 if(transform)
272 {
273 /* We will convert this to "%s.so" or "lib%s.so" */
274 rsize += 3; /* The length of ".so" */
275 if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
276 rsize += 3; /* The length of "lib" */
277 }
278 translated = OPENSSL_malloc(rsize);
279 if(translated == NULL)
280 {
281 DSOerr(DSO_F_DLFCN_NAME_CONVERTER,
282 DSO_R_NAME_TRANSLATION_FAILED);
283 return(NULL);
284 }
285 if(transform)
286 {
287 if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
288 snprintf(translated, rsize, "lib%s.so", filename);
289 else
290 snprintf(translated, rsize, "%s.so", filename);
291 }
292 else
293 snprintf(translated, rsize, "%s", filename);
294 return(translated);
295 }
296
297#ifdef OPENSSL_FIPS
298static void dlfcn_ref_point(){}
299
300int DSO_pathbyaddr(void *addr,char *path,int sz)
301 {
302 Dl_info dli;
303 int len;
304
305 if (addr == NULL)
306 {
307 union { void(*f)(void); void *p; } t = { dlfcn_ref_point };
308 addr = t.p;
309 }
310
311 if (dladdr(addr,&dli))
312 {
313 len = (int)strlen(dli.dli_fname);
314 if (sz <= 0) return len+1;
315 if (len >= sz) len=sz-1;
316 memcpy(path,dli.dli_fname,len);
317 path[len++]=0;
318 return len;
319 }
320
321 ERR_add_error_data(4, "dlfcn_pathbyaddr(): ", dlerror());
322 return -1;
323 }
324#endif
325#endif /* DSO_DLFCN */
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