summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/dso
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libcrypto/dso')
-rw-r--r--src/lib/libcrypto/dso/dso.h386
-rw-r--r--src/lib/libcrypto/dso/dso_dlfcn.c355
-rw-r--r--src/lib/libcrypto/dso/dso_err.c159
-rw-r--r--src/lib/libcrypto/dso/dso_lib.c454
-rw-r--r--src/lib/libcrypto/dso/dso_null.c74
-rw-r--r--src/lib/libcrypto/dso/dso_openssl.c75
6 files changed, 0 insertions, 1503 deletions
diff --git a/src/lib/libcrypto/dso/dso.h b/src/lib/libcrypto/dso/dso.h
deleted file mode 100644
index 42de08089e..0000000000
--- a/src/lib/libcrypto/dso/dso.h
+++ /dev/null
@@ -1,386 +0,0 @@
1/* $OpenBSD: dso.h,v 1.11 2015/02/07 13:19:15 doug 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#ifndef HEADER_DSO_H
60#define HEADER_DSO_H
61
62#include <openssl/crypto.h>
63
64#ifdef __cplusplus
65extern "C" {
66#endif
67
68/* These values are used as commands to DSO_ctrl() */
69#define DSO_CTRL_GET_FLAGS 1
70#define DSO_CTRL_SET_FLAGS 2
71#define DSO_CTRL_OR_FLAGS 3
72
73/* By default, DSO_load() will translate the provided filename into a form
74 * typical for the platform (more specifically the DSO_METHOD) using the
75 * dso_name_converter function of the method. Eg. win32 will transform "blah"
76 * into "blah.dll", and dlfcn will transform it into "libblah.so". The
77 * behaviour can be overridden by setting the name_converter callback in the DSO
78 * object (using DSO_set_name_converter()). This callback could even utilise
79 * the DSO_METHOD's converter too if it only wants to override behaviour for
80 * one or two possible DSO methods. However, the following flag can be set in a
81 * DSO to prevent *any* native name-translation at all - eg. if the caller has
82 * prompted the user for a path to a driver library so the filename should be
83 * interpreted as-is. */
84#define DSO_FLAG_NO_NAME_TRANSLATION 0x01
85/* An extra flag to give if only the extension should be added as
86 * translation. This is obviously only of importance on Unix and
87 * other operating systems where the translation also may prefix
88 * the name with something, like 'lib', and ignored everywhere else.
89 * This flag is also ignored if DSO_FLAG_NO_NAME_TRANSLATION is used
90 * at the same time. */
91#define DSO_FLAG_NAME_TRANSLATION_EXT_ONLY 0x02
92
93/* The following flag controls the translation of symbol names to upper
94 * case. This is currently only being implemented for OpenVMS.
95 */
96#define DSO_FLAG_UPCASE_SYMBOL 0x10
97
98/* This flag loads the library with public symbols.
99 * Meaning: The exported symbols of this library are public
100 * to all libraries loaded after this library.
101 * At the moment only implemented in unix.
102 */
103#define DSO_FLAG_GLOBAL_SYMBOLS 0x20
104
105
106typedef void (*DSO_FUNC_TYPE)(void);
107
108typedef struct dso_st DSO;
109
110/* The function prototype used for method functions (or caller-provided
111 * callbacks) that transform filenames. They are passed a DSO structure pointer
112 * (or NULL if they are to be used independantly of a DSO object) and a
113 * filename to transform. They should either return NULL (if there is an error
114 * condition) or a newly allocated string containing the transformed form that
115 * the caller will need to free with free() when done. */
116typedef char* (*DSO_NAME_CONVERTER_FUNC)(DSO *, const char *);
117/* The function prototype used for method functions (or caller-provided
118 * callbacks) that merge two file specifications. They are passed a
119 * DSO structure pointer (or NULL if they are to be used independantly of
120 * a DSO object) and two file specifications to merge. They should
121 * either return NULL (if there is an error condition) or a newly allocated
122 * string containing the result of merging that the caller will need
123 * to free with free() when done.
124 * Here, merging means that bits and pieces are taken from each of the
125 * file specifications and added together in whatever fashion that is
126 * sensible for the DSO method in question. The only rule that really
127 * applies is that if the two specification contain pieces of the same
128 * type, the copy from the first string takes priority. One could see
129 * it as the first specification is the one given by the user and the
130 * second being a bunch of defaults to add on if they're missing in the
131 * first. */
132typedef char* (*DSO_MERGER_FUNC)(DSO *, const char *, const char *);
133
134typedef struct dso_meth_st {
135 const char *name;
136 /* Loads a shared library, NB: new DSO_METHODs must ensure that a
137 * successful load populates the loaded_filename field, and likewise a
138 * successful unload frees and NULLs it out. */
139 int (*dso_load)(DSO *dso);
140 /* Unloads a shared library */
141 int (*dso_unload)(DSO *dso);
142 /* Binds a variable */
143 void *(*dso_bind_var)(DSO *dso, const char *symname);
144 /* Binds a function - assumes a return type of DSO_FUNC_TYPE.
145 * This should be cast to the real function prototype by the
146 * caller. Platforms that don't have compatible representations
147 * for different prototypes (this is possible within ANSI C)
148 * are highly unlikely to have shared libraries at all, let
149 * alone a DSO_METHOD implemented for them. */
150 DSO_FUNC_TYPE (*dso_bind_func)(DSO *dso, const char *symname);
151
152 /* The generic (yuck) "ctrl()" function. NB: Negative return
153 * values (rather than zero) indicate errors. */
154 long (*dso_ctrl)(DSO *dso, int cmd, long larg, void *parg);
155 /* The default DSO_METHOD-specific function for converting filenames to
156 * a canonical native form. */
157 DSO_NAME_CONVERTER_FUNC dso_name_converter;
158 /* The default DSO_METHOD-specific function for converting filenames to
159 * a canonical native form. */
160 DSO_MERGER_FUNC dso_merger;
161
162 /* [De]Initialisation handlers. */
163 int (*init)(DSO *dso);
164 int (*finish)(DSO *dso);
165
166 /* Return pathname of the module containing location */
167 int (*pathbyaddr)(void *addr, char *path, int sz);
168 /* Perform global symbol lookup, i.e. among *all* modules */
169 void *(*globallookup)(const char *symname);
170} DSO_METHOD;
171
172/**********************************************************************/
173/* The low-level handle type used to refer to a loaded shared library */
174
175struct dso_st {
176 DSO_METHOD *meth;
177 /* Standard dlopen uses a (void *). Win32 uses a HANDLE. VMS
178 * doesn't use anything but will need to cache the filename
179 * for use in the dso_bind handler. All in all, let each
180 * method control its own destiny. "Handles" and such go in
181 * a STACK. */
182 STACK_OF(void) *meth_data;
183 int references;
184 int flags;
185 /* For use by applications etc ... use this for your bits'n'pieces,
186 * don't touch meth_data! */
187 CRYPTO_EX_DATA ex_data;
188 /* If this callback function pointer is set to non-NULL, then it will
189 * be used in DSO_load() in place of meth->dso_name_converter. NB: This
190 * should normally set using DSO_set_name_converter(). */
191 DSO_NAME_CONVERTER_FUNC name_converter;
192 /* If this callback function pointer is set to non-NULL, then it will
193 * be used in DSO_load() in place of meth->dso_merger. NB: This
194 * should normally set using DSO_set_merger(). */
195 DSO_MERGER_FUNC merger;
196 /* This is populated with (a copy of) the platform-independant
197 * filename used for this DSO. */
198 char *filename;
199 /* This is populated with (a copy of) the translated filename by which
200 * the DSO was actually loaded. It is NULL iff the DSO is not currently
201 * loaded. NB: This is here because the filename translation process
202 * may involve a callback being invoked more than once not only to
203 * convert to a platform-specific form, but also to try different
204 * filenames in the process of trying to perform a load. As such, this
205 * variable can be used to indicate (a) whether this DSO structure
206 * corresponds to a loaded library or not, and (b) the filename with
207 * which it was actually loaded. */
208 char *loaded_filename;
209};
210
211
212DSO * DSO_new(void);
213DSO * DSO_new_method(DSO_METHOD *method);
214int DSO_free(DSO *dso);
215int DSO_flags(DSO *dso);
216int DSO_up_ref(DSO *dso);
217long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg);
218
219/* This function sets the DSO's name_converter callback. If it is non-NULL,
220 * then it will be used instead of the associated DSO_METHOD's function. If
221 * oldcb is non-NULL then it is set to the function pointer value being
222 * replaced. Return value is non-zero for success. */
223int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb,
224 DSO_NAME_CONVERTER_FUNC *oldcb);
225/* These functions can be used to get/set the platform-independant filename
226 * used for a DSO. NB: set will fail if the DSO is already loaded. */
227const char *DSO_get_filename(DSO *dso);
228int DSO_set_filename(DSO *dso, const char *filename);
229/* This function will invoke the DSO's name_converter callback to translate a
230 * filename, or if the callback isn't set it will instead use the DSO_METHOD's
231 * converter. If "filename" is NULL, the "filename" in the DSO itself will be
232 * used. If the DSO_FLAG_NO_NAME_TRANSLATION flag is set, then the filename is
233 * simply duplicated. NB: This function is usually called from within a
234 * DSO_METHOD during the processing of a DSO_load() call, and is exposed so that
235 * caller-created DSO_METHODs can do the same thing. A non-NULL return value
236 * will need to be free()'d. */
237char *DSO_convert_filename(DSO *dso, const char *filename);
238/* This function will invoke the DSO's merger callback to merge two file
239 * specifications, or if the callback isn't set it will instead use the
240 * DSO_METHOD's merger. A non-NULL return value will need to be
241 * free()'d. */
242char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2);
243/* If the DSO is currently loaded, this returns the filename that it was loaded
244 * under, otherwise it returns NULL. So it is also useful as a test as to
245 * whether the DSO is currently loaded. NB: This will not necessarily return
246 * the same value as DSO_convert_filename(dso, dso->filename), because the
247 * DSO_METHOD's load function may have tried a variety of filenames (with
248 * and/or without the aid of the converters) before settling on the one it
249 * actually loaded. */
250const char *DSO_get_loaded_filename(DSO *dso);
251
252void DSO_set_default_method(DSO_METHOD *meth);
253DSO_METHOD *DSO_get_default_method(void);
254DSO_METHOD *DSO_get_method(DSO *dso);
255DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth);
256
257/* The all-singing all-dancing load function, you normally pass NULL
258 * for the first and third parameters. Use DSO_up and DSO_free for
259 * subsequent reference count handling. Any flags passed in will be set
260 * in the constructed DSO after its init() function but before the
261 * load operation. If 'dso' is non-NULL, 'flags' is ignored. */
262DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags);
263
264/* This function binds to a variable inside a shared library. */
265void *DSO_bind_var(DSO *dso, const char *symname);
266
267/* This function binds to a function inside a shared library. */
268DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname);
269
270/* This method is the default, but will beg, borrow, or steal whatever
271 * method should be the default on any particular platform (including
272 * DSO_METH_null() if necessary). */
273DSO_METHOD *DSO_METHOD_openssl(void);
274
275/* This method is defined for all platforms - if a platform has no
276 * DSO support then this will be the only method! */
277DSO_METHOD *DSO_METHOD_null(void);
278
279/* If DSO_DLFCN is defined, the standard dlfcn.h-style functions
280 * (dlopen, dlclose, dlsym, etc) will be used and incorporated into
281 * this method. If not, this method will return NULL. */
282DSO_METHOD *DSO_METHOD_dlfcn(void);
283
284/* This function writes null-terminated pathname of DSO module
285 * containing 'addr' into 'sz' large caller-provided 'path' and
286 * returns the number of characters [including trailing zero]
287 * written to it. If 'sz' is 0 or negative, 'path' is ignored and
288 * required amount of charachers [including trailing zero] to
289 * accomodate pathname is returned. If 'addr' is NULL, then
290 * pathname of cryptolib itself is returned. Negative or zero
291 * return value denotes error.
292 */
293int DSO_pathbyaddr(void *addr, char *path, int sz);
294
295/* This function should be used with caution! It looks up symbols in
296 * *all* loaded modules and if module gets unloaded by somebody else
297 * attempt to dereference the pointer is doomed to have fatal
298 * consequences. Primary usage for this function is to probe *core*
299 * system functionality, e.g. check if getnameinfo(3) is available
300 * at run-time without bothering about OS-specific details such as
301 * libc.so.versioning or where does it actually reside: in libc
302 * itself or libsocket. */
303void *DSO_global_lookup(const char *name);
304
305/* BEGIN ERROR CODES */
306/* The following lines are auto generated by the script mkerr.pl. Any changes
307 * made after this point may be overwritten when the script is next run.
308 */
309void ERR_load_DSO_strings(void);
310
311/* Error codes for the DSO functions. */
312
313/* Function codes. */
314#define DSO_F_BEOS_BIND_FUNC 144
315#define DSO_F_BEOS_BIND_VAR 145
316#define DSO_F_BEOS_LOAD 146
317#define DSO_F_BEOS_NAME_CONVERTER 147
318#define DSO_F_BEOS_UNLOAD 148
319#define DSO_F_DLFCN_BIND_FUNC 100
320#define DSO_F_DLFCN_BIND_VAR 101
321#define DSO_F_DLFCN_LOAD 102
322#define DSO_F_DLFCN_MERGER 130
323#define DSO_F_DLFCN_NAME_CONVERTER 123
324#define DSO_F_DLFCN_UNLOAD 103
325#define DSO_F_DL_BIND_FUNC 104
326#define DSO_F_DL_BIND_VAR 105
327#define DSO_F_DL_LOAD 106
328#define DSO_F_DL_MERGER 131
329#define DSO_F_DL_NAME_CONVERTER 124
330#define DSO_F_DL_UNLOAD 107
331#define DSO_F_DSO_BIND_FUNC 108
332#define DSO_F_DSO_BIND_VAR 109
333#define DSO_F_DSO_CONVERT_FILENAME 126
334#define DSO_F_DSO_CTRL 110
335#define DSO_F_DSO_FREE 111
336#define DSO_F_DSO_GET_FILENAME 127
337#define DSO_F_DSO_GET_LOADED_FILENAME 128
338#define DSO_F_DSO_GLOBAL_LOOKUP 139
339#define DSO_F_DSO_LOAD 112
340#define DSO_F_DSO_MERGE 132
341#define DSO_F_DSO_NEW_METHOD 113
342#define DSO_F_DSO_PATHBYADDR 140
343#define DSO_F_DSO_SET_FILENAME 129
344#define DSO_F_DSO_SET_NAME_CONVERTER 122
345#define DSO_F_DSO_UP_REF 114
346#define DSO_F_GLOBAL_LOOKUP_FUNC 138
347#define DSO_F_PATHBYADDR 137
348#define DSO_F_VMS_BIND_SYM 115
349#define DSO_F_VMS_LOAD 116
350#define DSO_F_VMS_MERGER 133
351#define DSO_F_VMS_UNLOAD 117
352#define DSO_F_WIN32_BIND_FUNC 118
353#define DSO_F_WIN32_BIND_VAR 119
354#define DSO_F_WIN32_GLOBALLOOKUP 142
355#define DSO_F_WIN32_GLOBALLOOKUP_FUNC 143
356#define DSO_F_WIN32_JOINER 135
357#define DSO_F_WIN32_LOAD 120
358#define DSO_F_WIN32_MERGER 134
359#define DSO_F_WIN32_NAME_CONVERTER 125
360#define DSO_F_WIN32_PATHBYADDR 141
361#define DSO_F_WIN32_SPLITTER 136
362#define DSO_F_WIN32_UNLOAD 121
363
364/* Reason codes. */
365#define DSO_R_CTRL_FAILED 100
366#define DSO_R_DSO_ALREADY_LOADED 110
367#define DSO_R_EMPTY_FILE_STRUCTURE 113
368#define DSO_R_FAILURE 114
369#define DSO_R_FILENAME_TOO_BIG 101
370#define DSO_R_FINISH_FAILED 102
371#define DSO_R_INCORRECT_FILE_SYNTAX 115
372#define DSO_R_LOAD_FAILED 103
373#define DSO_R_NAME_TRANSLATION_FAILED 109
374#define DSO_R_NO_FILENAME 111
375#define DSO_R_NO_FILE_SPECIFICATION 116
376#define DSO_R_NULL_HANDLE 104
377#define DSO_R_SET_FILENAME_FAILED 112
378#define DSO_R_STACK_ERROR 105
379#define DSO_R_SYM_FAILURE 106
380#define DSO_R_UNLOAD_FAILED 107
381#define DSO_R_UNSUPPORTED 108
382
383#ifdef __cplusplus
384}
385#endif
386#endif
diff --git a/src/lib/libcrypto/dso/dso_dlfcn.c b/src/lib/libcrypto/dso/dso_dlfcn.c
deleted file mode 100644
index f22e641bab..0000000000
--- a/src/lib/libcrypto/dso/dso_dlfcn.c
+++ /dev/null
@@ -1,355 +0,0 @@
1/* $OpenBSD: dso_dlfcn.c,v 1.28 2015/02/07 13:19:15 doug 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/dso.h>
63#include <openssl/err.h>
64
65#ifndef DSO_DLFCN
66DSO_METHOD *
67DSO_METHOD_dlfcn(void)
68{
69 return NULL;
70}
71#else
72
73#ifdef HAVE_DLFCN_H
74# include <dlfcn.h>
75# define HAVE_DLINFO 1
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);
85static char *dlfcn_name_converter(DSO *dso, const char *filename);
86static char *dlfcn_merger(DSO *dso, const char *filespec1,
87 const char *filespec2);
88static int dlfcn_pathbyaddr(void *addr, char *path, int sz);
89static void *dlfcn_globallookup(const char *name);
90
91static DSO_METHOD dso_meth_dlfcn = {
92 .name = "OpenSSL 'dlfcn' shared library method",
93 .dso_load = dlfcn_load,
94 .dso_unload = dlfcn_unload,
95 .dso_bind_var = dlfcn_bind_var,
96 .dso_bind_func = dlfcn_bind_func,
97 .dso_name_converter = dlfcn_name_converter,
98 .dso_merger = dlfcn_merger,
99 .pathbyaddr = dlfcn_pathbyaddr,
100 .globallookup = dlfcn_globallookup
101};
102
103DSO_METHOD *
104DSO_METHOD_dlfcn(void)
105{
106 return (&dso_meth_dlfcn);
107}
108
109/* For this DSO_METHOD, our meth_data STACK will contain;
110 * (i) the handle (void*) returned from dlopen().
111 */
112
113static int
114dlfcn_load(DSO *dso)
115{
116 void *ptr = NULL;
117 /* See applicable comments in dso_dl.c */
118 char *filename = DSO_convert_filename(dso, NULL);
119 int flags = RTLD_LAZY;
120
121 if (filename == NULL) {
122 DSOerr(DSO_F_DLFCN_LOAD, DSO_R_NO_FILENAME);
123 goto err;
124 }
125
126 if (dso->flags & DSO_FLAG_GLOBAL_SYMBOLS)
127 flags |= RTLD_GLOBAL;
128 ptr = dlopen(filename, flags);
129 if (ptr == NULL) {
130 DSOerr(DSO_F_DLFCN_LOAD, DSO_R_LOAD_FAILED);
131 ERR_asprintf_error_data("filename(%s): %s", filename,
132 dlerror());
133 goto err;
134 }
135 if (!sk_void_push(dso->meth_data, (char *)ptr)) {
136 DSOerr(DSO_F_DLFCN_LOAD, DSO_R_STACK_ERROR);
137 goto err;
138 }
139 /* Success */
140 dso->loaded_filename = filename;
141 return (1);
142
143err:
144 /* Cleanup! */
145 free(filename);
146 if (ptr != NULL)
147 dlclose(ptr);
148 return (0);
149}
150
151static int
152dlfcn_unload(DSO *dso)
153{
154 void *ptr;
155 if (dso == NULL) {
156 DSOerr(DSO_F_DLFCN_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
157 return (0);
158 }
159 if (sk_void_num(dso->meth_data) < 1)
160 return (1);
161 ptr = sk_void_pop(dso->meth_data);
162 if (ptr == NULL) {
163 DSOerr(DSO_F_DLFCN_UNLOAD, DSO_R_NULL_HANDLE);
164 /* Should push the value back onto the stack in
165 * case of a retry. */
166 sk_void_push(dso->meth_data, ptr);
167 return (0);
168 }
169 /* For now I'm not aware of any errors associated with dlclose() */
170 dlclose(ptr);
171 return (1);
172}
173
174static void *
175dlfcn_bind_var(DSO *dso, const char *symname)
176{
177 void *ptr, *sym;
178
179 if ((dso == NULL) || (symname == NULL)) {
180 DSOerr(DSO_F_DLFCN_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
181 return (NULL);
182 }
183 if (sk_void_num(dso->meth_data) < 1) {
184 DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_STACK_ERROR);
185 return (NULL);
186 }
187 ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
188 if (ptr == NULL) {
189 DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_NULL_HANDLE);
190 return (NULL);
191 }
192 sym = dlsym(ptr, symname);
193 if (sym == NULL) {
194 DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_SYM_FAILURE);
195 ERR_asprintf_error_data("symname(%s): %s", symname, dlerror());
196 return (NULL);
197 }
198 return (sym);
199}
200
201static DSO_FUNC_TYPE
202dlfcn_bind_func(DSO *dso, const char *symname)
203{
204 void *ptr;
205 union {
206 DSO_FUNC_TYPE sym;
207 void *dlret;
208 } u;
209
210 if ((dso == NULL) || (symname == NULL)) {
211 DSOerr(DSO_F_DLFCN_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER);
212 return (NULL);
213 }
214 if (sk_void_num(dso->meth_data) < 1) {
215 DSOerr(DSO_F_DLFCN_BIND_FUNC, DSO_R_STACK_ERROR);
216 return (NULL);
217 }
218 ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
219 if (ptr == NULL) {
220 DSOerr(DSO_F_DLFCN_BIND_FUNC, DSO_R_NULL_HANDLE);
221 return (NULL);
222 }
223 u.dlret = dlsym(ptr, symname);
224 if (u.dlret == NULL) {
225 DSOerr(DSO_F_DLFCN_BIND_FUNC, DSO_R_SYM_FAILURE);
226 ERR_asprintf_error_data("symname(%s): %s", symname, dlerror());
227 return (NULL);
228 }
229 return u.sym;
230}
231
232static char *
233dlfcn_merger(DSO *dso, const char *filespec1, const char *filespec2)
234{
235 char *merged;
236
237 if (!filespec1 && !filespec2) {
238 DSOerr(DSO_F_DLFCN_MERGER,
239 ERR_R_PASSED_NULL_PARAMETER);
240 return (NULL);
241 }
242 /* If the first file specification is a rooted path, it rules.
243 same goes if the second file specification is missing. */
244 if (!filespec2 || (filespec1 != NULL && filespec1[0] == '/')) {
245 merged = strdup(filespec1);
246 if (!merged) {
247 DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
248 return (NULL);
249 }
250 }
251 /* If the first file specification is missing, the second one rules. */
252 else if (!filespec1) {
253 merged = strdup(filespec2);
254 if (!merged) {
255 DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
256 return (NULL);
257 }
258 } else
259 /* This part isn't as trivial as it looks. It assumes that
260 the second file specification really is a directory, and
261 makes no checks whatsoever. Therefore, the result becomes
262 the concatenation of filespec2 followed by a slash followed
263 by filespec1. */
264 {
265 size_t spec2len, len;
266
267 spec2len = strlen(filespec2);
268 len = spec2len + (filespec1 ? strlen(filespec1) : 0);
269
270 if (filespec2 && filespec2[spec2len - 1] == '/') {
271 spec2len--;
272 len--;
273 }
274 merged = malloc(len + 2);
275 if (!merged) {
276 DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE);
277 return (NULL);
278 }
279 strlcpy(merged, filespec2, len + 2);
280 merged[spec2len] = '/';
281 strlcpy(&merged[spec2len + 1], filespec1, len + 1 - spec2len);
282 }
283 return (merged);
284}
285
286#define DSO_ext ".so"
287#define DSO_extlen 3
288
289static char *
290dlfcn_name_converter(DSO *dso, const char *filename)
291{
292 char *translated;
293 int ret;
294
295 if (strchr(filename, '/') == NULL) {
296 /* Bare name, so convert to "%s.so" or "lib%s.so" */
297 if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
298 ret = asprintf(&translated, "lib%s" DSO_ext, filename);
299 else
300 ret = asprintf(&translated, "%s" DSO_ext, filename);
301 if (ret == -1)
302 translated = NULL;
303 } else {
304 /* Full path, so just duplicate it */
305 translated = strdup(filename);
306 }
307
308 if (translated == NULL)
309 DSOerr(DSO_F_DLFCN_NAME_CONVERTER,
310 DSO_R_NAME_TRANSLATION_FAILED);
311 return (translated);
312}
313
314static int
315dlfcn_pathbyaddr(void *addr, char *path, int sz)
316{
317 Dl_info dli;
318 int len;
319
320 if (addr == NULL) {
321 union{
322 int(*f)(void*, char*, int);
323 void *p;
324 } t = { dlfcn_pathbyaddr };
325 addr = t.p;
326 }
327
328 if (dladdr(addr, &dli)) {
329 len = (int)strlen(dli.dli_fname);
330 if (sz <= 0)
331 return len + 1;
332 if (len >= sz)
333 len = sz - 1;
334 memcpy(path, dli.dli_fname, len);
335 path[len++] = 0;
336 return len;
337 }
338
339 ERR_asprintf_error_data("dlfcn_pathbyaddr(): %s", dlerror());
340 return -1;
341}
342
343static void *
344dlfcn_globallookup(const char *name)
345{
346 void *ret = NULL, *handle = dlopen(NULL, RTLD_LAZY);
347
348 if (handle) {
349 ret = dlsym(handle, name);
350 dlclose(handle);
351 }
352
353 return ret;
354}
355#endif /* DSO_DLFCN */
diff --git a/src/lib/libcrypto/dso/dso_err.c b/src/lib/libcrypto/dso/dso_err.c
deleted file mode 100644
index b8514a4aef..0000000000
--- a/src/lib/libcrypto/dso/dso_err.c
+++ /dev/null
@@ -1,159 +0,0 @@
1/* $OpenBSD: dso_err.c,v 1.8 2014/07/10 22:45:56 jsing Exp $ */
2/* ====================================================================
3 * Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56/* NOTE: this file was auto generated by the mkerr.pl script: any changes
57 * made to it will be overwritten when the script next updates this file,
58 * only reason strings will be preserved.
59 */
60
61#include <stdio.h>
62
63#include <openssl/opensslconf.h>
64
65#include <openssl/err.h>
66#include <openssl/dso.h>
67
68/* BEGIN ERROR CODES */
69#ifndef OPENSSL_NO_ERR
70
71#define ERR_FUNC(func) ERR_PACK(ERR_LIB_DSO,func,0)
72#define ERR_REASON(reason) ERR_PACK(ERR_LIB_DSO,0,reason)
73
74static ERR_STRING_DATA DSO_str_functs[]= {
75 {ERR_FUNC(DSO_F_BEOS_BIND_FUNC), "BEOS_BIND_FUNC"},
76 {ERR_FUNC(DSO_F_BEOS_BIND_VAR), "BEOS_BIND_VAR"},
77 {ERR_FUNC(DSO_F_BEOS_LOAD), "BEOS_LOAD"},
78 {ERR_FUNC(DSO_F_BEOS_NAME_CONVERTER), "BEOS_NAME_CONVERTER"},
79 {ERR_FUNC(DSO_F_BEOS_UNLOAD), "BEOS_UNLOAD"},
80 {ERR_FUNC(DSO_F_DLFCN_BIND_FUNC), "DLFCN_BIND_FUNC"},
81 {ERR_FUNC(DSO_F_DLFCN_BIND_VAR), "DLFCN_BIND_VAR"},
82 {ERR_FUNC(DSO_F_DLFCN_LOAD), "DLFCN_LOAD"},
83 {ERR_FUNC(DSO_F_DLFCN_MERGER), "DLFCN_MERGER"},
84 {ERR_FUNC(DSO_F_DLFCN_NAME_CONVERTER), "DLFCN_NAME_CONVERTER"},
85 {ERR_FUNC(DSO_F_DLFCN_UNLOAD), "DLFCN_UNLOAD"},
86 {ERR_FUNC(DSO_F_DL_BIND_FUNC), "DL_BIND_FUNC"},
87 {ERR_FUNC(DSO_F_DL_BIND_VAR), "DL_BIND_VAR"},
88 {ERR_FUNC(DSO_F_DL_LOAD), "DL_LOAD"},
89 {ERR_FUNC(DSO_F_DL_MERGER), "DL_MERGER"},
90 {ERR_FUNC(DSO_F_DL_NAME_CONVERTER), "DL_NAME_CONVERTER"},
91 {ERR_FUNC(DSO_F_DL_UNLOAD), "DL_UNLOAD"},
92 {ERR_FUNC(DSO_F_DSO_BIND_FUNC), "DSO_bind_func"},
93 {ERR_FUNC(DSO_F_DSO_BIND_VAR), "DSO_bind_var"},
94 {ERR_FUNC(DSO_F_DSO_CONVERT_FILENAME), "DSO_convert_filename"},
95 {ERR_FUNC(DSO_F_DSO_CTRL), "DSO_ctrl"},
96 {ERR_FUNC(DSO_F_DSO_FREE), "DSO_free"},
97 {ERR_FUNC(DSO_F_DSO_GET_FILENAME), "DSO_get_filename"},
98 {ERR_FUNC(DSO_F_DSO_GET_LOADED_FILENAME), "DSO_get_loaded_filename"},
99 {ERR_FUNC(DSO_F_DSO_GLOBAL_LOOKUP), "DSO_global_lookup"},
100 {ERR_FUNC(DSO_F_DSO_LOAD), "DSO_load"},
101 {ERR_FUNC(DSO_F_DSO_MERGE), "DSO_merge"},
102 {ERR_FUNC(DSO_F_DSO_NEW_METHOD), "DSO_new_method"},
103 {ERR_FUNC(DSO_F_DSO_PATHBYADDR), "DSO_pathbyaddr"},
104 {ERR_FUNC(DSO_F_DSO_SET_FILENAME), "DSO_set_filename"},
105 {ERR_FUNC(DSO_F_DSO_SET_NAME_CONVERTER), "DSO_set_name_converter"},
106 {ERR_FUNC(DSO_F_DSO_UP_REF), "DSO_up_ref"},
107 {ERR_FUNC(DSO_F_GLOBAL_LOOKUP_FUNC), "GLOBAL_LOOKUP_FUNC"},
108 {ERR_FUNC(DSO_F_PATHBYADDR), "PATHBYADDR"},
109 {ERR_FUNC(DSO_F_VMS_BIND_SYM), "VMS_BIND_SYM"},
110 {ERR_FUNC(DSO_F_VMS_LOAD), "VMS_LOAD"},
111 {ERR_FUNC(DSO_F_VMS_MERGER), "VMS_MERGER"},
112 {ERR_FUNC(DSO_F_VMS_UNLOAD), "VMS_UNLOAD"},
113 {ERR_FUNC(DSO_F_WIN32_BIND_FUNC), "WIN32_BIND_FUNC"},
114 {ERR_FUNC(DSO_F_WIN32_BIND_VAR), "WIN32_BIND_VAR"},
115 {ERR_FUNC(DSO_F_WIN32_GLOBALLOOKUP), "WIN32_GLOBALLOOKUP"},
116 {ERR_FUNC(DSO_F_WIN32_GLOBALLOOKUP_FUNC), "WIN32_GLOBALLOOKUP_FUNC"},
117 {ERR_FUNC(DSO_F_WIN32_JOINER), "WIN32_JOINER"},
118 {ERR_FUNC(DSO_F_WIN32_LOAD), "WIN32_LOAD"},
119 {ERR_FUNC(DSO_F_WIN32_MERGER), "WIN32_MERGER"},
120 {ERR_FUNC(DSO_F_WIN32_NAME_CONVERTER), "WIN32_NAME_CONVERTER"},
121 {ERR_FUNC(DSO_F_WIN32_PATHBYADDR), "WIN32_PATHBYADDR"},
122 {ERR_FUNC(DSO_F_WIN32_SPLITTER), "WIN32_SPLITTER"},
123 {ERR_FUNC(DSO_F_WIN32_UNLOAD), "WIN32_UNLOAD"},
124 {0, NULL}
125};
126
127static ERR_STRING_DATA DSO_str_reasons[]= {
128 {ERR_REASON(DSO_R_CTRL_FAILED) , "control command failed"},
129 {ERR_REASON(DSO_R_DSO_ALREADY_LOADED) , "dso already loaded"},
130 {ERR_REASON(DSO_R_EMPTY_FILE_STRUCTURE) , "empty file structure"},
131 {ERR_REASON(DSO_R_FAILURE) , "failure"},
132 {ERR_REASON(DSO_R_FILENAME_TOO_BIG) , "filename too big"},
133 {ERR_REASON(DSO_R_FINISH_FAILED) , "cleanup method function failed"},
134 {ERR_REASON(DSO_R_INCORRECT_FILE_SYNTAX) , "incorrect file syntax"},
135 {ERR_REASON(DSO_R_LOAD_FAILED) , "could not load the shared library"},
136 {ERR_REASON(DSO_R_NAME_TRANSLATION_FAILED), "name translation failed"},
137 {ERR_REASON(DSO_R_NO_FILENAME) , "no filename"},
138 {ERR_REASON(DSO_R_NO_FILE_SPECIFICATION) , "no file specification"},
139 {ERR_REASON(DSO_R_NULL_HANDLE) , "a null shared library handle was used"},
140 {ERR_REASON(DSO_R_SET_FILENAME_FAILED) , "set filename failed"},
141 {ERR_REASON(DSO_R_STACK_ERROR) , "the meth_data stack is corrupt"},
142 {ERR_REASON(DSO_R_SYM_FAILURE) , "could not bind to the requested symbol name"},
143 {ERR_REASON(DSO_R_UNLOAD_FAILED) , "could not unload the shared library"},
144 {ERR_REASON(DSO_R_UNSUPPORTED) , "functionality not supported"},
145 {0, NULL}
146};
147
148#endif
149
150void
151ERR_load_DSO_strings(void)
152{
153#ifndef OPENSSL_NO_ERR
154 if (ERR_func_error_string(DSO_str_functs[0].error) == NULL) {
155 ERR_load_strings(0, DSO_str_functs);
156 ERR_load_strings(0, DSO_str_reasons);
157 }
158#endif
159}
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}
diff --git a/src/lib/libcrypto/dso/dso_null.c b/src/lib/libcrypto/dso/dso_null.c
deleted file mode 100644
index a3dc0ec1ff..0000000000
--- a/src/lib/libcrypto/dso/dso_null.c
+++ /dev/null
@@ -1,74 +0,0 @@
1/* $OpenBSD: dso_null.c,v 1.7 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/* This "NULL" method is provided as the fallback for systems that have
60 * no appropriate support for "shared-libraries". */
61
62#include <stdio.h>
63
64#include <openssl/dso.h>
65
66static DSO_METHOD dso_meth_null = {
67 .name = "NULL shared library method"
68};
69
70DSO_METHOD *
71DSO_METHOD_null(void)
72{
73 return (&dso_meth_null);
74}
diff --git a/src/lib/libcrypto/dso/dso_openssl.c b/src/lib/libcrypto/dso/dso_openssl.c
deleted file mode 100644
index 37d8d5805f..0000000000
--- a/src/lib/libcrypto/dso/dso_openssl.c
+++ /dev/null
@@ -1,75 +0,0 @@
1/* $OpenBSD: dso_openssl.c,v 1.6 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
61#include <openssl/dso.h>
62
63/* We just pinch the method from an appropriate "default" method. */
64
65DSO_METHOD *
66DSO_METHOD_openssl(void)
67{
68#ifdef DEF_DSO_METHOD
69 return (DEF_DSO_METHOD());
70#elif defined(DSO_DLFCN)
71 return (DSO_METHOD_dlfcn());
72#else
73 return (DSO_METHOD_null());
74#endif
75}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-11-23 15:09:39 +0000