factotum/libressl-portable
1
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

check in v3.8.0 source

Browse Source
This commit is contained in:
torque
2023-08-31 00:49:24 -07:00
parent 3ef498f9e6
commit 316795abde
1218 changed files with 562506 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

353
crypto/dso/dso_dlfcn.c Normal file
View File

@@ -0,0 +1,353 @@
/* $OpenBSD: dso_dlfcn.c,v 1.29 2017/01/29 17:49:23 beck Exp $ */
/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
* project 2000.
*/
/* ====================================================================
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <string.h>
#include <openssl/dso.h>
#include <openssl/err.h>
#ifndef DSO_DLFCN
DSO_METHOD *
DSO_METHOD_dlfcn(void)
{
return NULL;
}
#else
#ifdef HAVE_DLFCN_H
# include <dlfcn.h>
# define HAVE_DLINFO 1
#endif
/* Part of the hack in "dlfcn_load" ... */
#define DSO_MAX_TRANSLATED_SIZE 256
static int dlfcn_load(DSO *dso);
static int dlfcn_unload(DSO *dso);
static void *dlfcn_bind_var(DSO *dso, const char *symname);
static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname);
static char *dlfcn_name_converter(DSO *dso, const char *filename);
static char *dlfcn_merger(DSO *dso, const char *filespec1,
const char *filespec2);
static int dlfcn_pathbyaddr(void *addr, char *path, int sz);
static void *dlfcn_globallookup(const char *name);
static DSO_METHOD dso_meth_dlfcn = {
.name = "OpenSSL 'dlfcn' shared library method",
.dso_load = dlfcn_load,
.dso_unload = dlfcn_unload,
.dso_bind_var = dlfcn_bind_var,
.dso_bind_func = dlfcn_bind_func,
.dso_name_converter = dlfcn_name_converter,
.dso_merger = dlfcn_merger,
.pathbyaddr = dlfcn_pathbyaddr,
.globallookup = dlfcn_globallookup
};
DSO_METHOD *
DSO_METHOD_dlfcn(void)
{
return (&dso_meth_dlfcn);
}
/* For this DSO_METHOD, our meth_data STACK will contain;
* (i) the handle (void*) returned from dlopen().
*/
static int
dlfcn_load(DSO *dso)
{
void *ptr = NULL;
/* See applicable comments in dso_dl.c */
char *filename = DSO_convert_filename(dso, NULL);
int flags = RTLD_LAZY;
if (filename == NULL) {
DSOerror(DSO_R_NO_FILENAME);
goto err;
}
if (dso->flags & DSO_FLAG_GLOBAL_SYMBOLS)
flags |= RTLD_GLOBAL;
ptr = dlopen(filename, flags);
if (ptr == NULL) {
DSOerror(DSO_R_LOAD_FAILED);
ERR_asprintf_error_data("filename(%s): %s", filename,
dlerror());
goto err;
}
if (!sk_void_push(dso->meth_data, (char *)ptr)) {
DSOerror(DSO_R_STACK_ERROR);
goto err;
}
/* Success */
dso->loaded_filename = filename;
return (1);
err:
/* Cleanup! */
free(filename);
if (ptr != NULL)
dlclose(ptr);
return (0);
}
static int
dlfcn_unload(DSO *dso)
{
void *ptr;
if (dso == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (0);
}
if (sk_void_num(dso->meth_data) < 1)
return (1);
ptr = sk_void_pop(dso->meth_data);
if (ptr == NULL) {
DSOerror(DSO_R_NULL_HANDLE);
/* Should push the value back onto the stack in
* case of a retry. */
sk_void_push(dso->meth_data, ptr);
return (0);
}
/* For now I'm not aware of any errors associated with dlclose() */
dlclose(ptr);
return (1);
}
static void *
dlfcn_bind_var(DSO *dso, const char *symname)
{
void *ptr, *sym;
if ((dso == NULL) || (symname == NULL)) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
if (sk_void_num(dso->meth_data) < 1) {
DSOerror(DSO_R_STACK_ERROR);
return (NULL);
}
ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
if (ptr == NULL) {
DSOerror(DSO_R_NULL_HANDLE);
return (NULL);
}
sym = dlsym(ptr, symname);
if (sym == NULL) {
DSOerror(DSO_R_SYM_FAILURE);
ERR_asprintf_error_data("symname(%s): %s", symname, dlerror());
return (NULL);
}
return (sym);
}
static DSO_FUNC_TYPE
dlfcn_bind_func(DSO *dso, const char *symname)
{
void *ptr;
union {
DSO_FUNC_TYPE sym;
void *dlret;
} u;
if ((dso == NULL) || (symname == NULL)) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
if (sk_void_num(dso->meth_data) < 1) {
DSOerror(DSO_R_STACK_ERROR);
return (NULL);
}
ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
if (ptr == NULL) {
DSOerror(DSO_R_NULL_HANDLE);
return (NULL);
}
u.dlret = dlsym(ptr, symname);
if (u.dlret == NULL) {
DSOerror(DSO_R_SYM_FAILURE);
ERR_asprintf_error_data("symname(%s): %s", symname, dlerror());
return (NULL);
}
return u.sym;
}
static char *
dlfcn_merger(DSO *dso, const char *filespec1, const char *filespec2)
{
char *merged;
if (!filespec1 && !filespec2) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
/* If the first file specification is a rooted path, it rules.
same goes if the second file specification is missing. */
if (!filespec2 || (filespec1 != NULL && filespec1[0] == '/')) {
merged = strdup(filespec1);
if (!merged) {
DSOerror(ERR_R_MALLOC_FAILURE);
return (NULL);
}
}
/* If the first file specification is missing, the second one rules. */
else if (!filespec1) {
merged = strdup(filespec2);
if (!merged) {
DSOerror(ERR_R_MALLOC_FAILURE);
return (NULL);
}
} else
/* This part isn't as trivial as it looks. It assumes that
the second file specification really is a directory, and
makes no checks whatsoever. Therefore, the result becomes
the concatenation of filespec2 followed by a slash followed
by filespec1. */
{
size_t spec2len, len;
spec2len = strlen(filespec2);
len = spec2len + (filespec1 ? strlen(filespec1) : 0);
if (filespec2 && filespec2[spec2len - 1] == '/') {
spec2len--;
len--;
}
merged = malloc(len + 2);
if (!merged) {
DSOerror(ERR_R_MALLOC_FAILURE);
return (NULL);
}
strlcpy(merged, filespec2, len + 2);
merged[spec2len] = '/';
strlcpy(&merged[spec2len + 1], filespec1, len + 1 - spec2len);
}
return (merged);
}
#define DSO_ext ".so"
#define DSO_extlen 3
static char *
dlfcn_name_converter(DSO *dso, const char *filename)
{
char *translated;
int ret;
if (strchr(filename, '/') == NULL) {
/* Bare name, so convert to "%s.so" or "lib%s.so" */
if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0)
ret = asprintf(&translated, "lib%s" DSO_ext, filename);
else
ret = asprintf(&translated, "%s" DSO_ext, filename);
if (ret == -1)
translated = NULL;
} else {
/* Full path, so just duplicate it */
translated = strdup(filename);
}
if (translated == NULL)
DSOerror(DSO_R_NAME_TRANSLATION_FAILED);
return (translated);
}
static int
dlfcn_pathbyaddr(void *addr, char *path, int sz)
{
Dl_info dli;
int len;
if (addr == NULL) {
union{
int(*f)(void*, char*, int);
void *p;
} t = { dlfcn_pathbyaddr };
addr = t.p;
}
if (dladdr(addr, &dli)) {
len = (int)strlen(dli.dli_fname);
if (sz <= 0)
return len + 1;
if (len >= sz)
len = sz - 1;
memcpy(path, dli.dli_fname, len);
path[len++] = 0;
return len;
}
ERR_asprintf_error_data("dlfcn_pathbyaddr(): %s", dlerror());
return -1;
}
static void *
dlfcn_globallookup(const char *name)
{
void *ret = NULL, *handle = dlopen(NULL, RTLD_LAZY);
if (handle) {
ret = dlsym(handle, name);
dlclose(handle);
}
return ret;
}
#endif /* DSO_DLFCN */

105
crypto/dso/dso_err.c Normal file
View File

@@ -0,0 +1,105 @@
/* $OpenBSD: dso_err.c,v 1.10 2022/07/12 14:42:49 kn Exp $ */
/* ====================================================================
* Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <openssl/opensslconf.h>
#include <openssl/err.h>
#include <openssl/dso.h>
#ifndef OPENSSL_NO_ERR
#define ERR_FUNC(func) ERR_PACK(ERR_LIB_DSO,func,0)
#define ERR_REASON(reason) ERR_PACK(ERR_LIB_DSO,0,reason)
static ERR_STRING_DATA DSO_str_functs[]= {
{ERR_FUNC(0xfff), "CRYPTO_internal"},
{0, NULL}
};
static ERR_STRING_DATA DSO_str_reasons[]= {
{ERR_REASON(DSO_R_CTRL_FAILED) , "control command failed"},
{ERR_REASON(DSO_R_DSO_ALREADY_LOADED) , "dso already loaded"},
{ERR_REASON(DSO_R_EMPTY_FILE_STRUCTURE) , "empty file structure"},
{ERR_REASON(DSO_R_FAILURE) , "failure"},
{ERR_REASON(DSO_R_FILENAME_TOO_BIG) , "filename too big"},
{ERR_REASON(DSO_R_FINISH_FAILED) , "cleanup method function failed"},
{ERR_REASON(DSO_R_INCORRECT_FILE_SYNTAX) , "incorrect file syntax"},
{ERR_REASON(DSO_R_LOAD_FAILED) , "could not load the shared library"},
{ERR_REASON(DSO_R_NAME_TRANSLATION_FAILED), "name translation failed"},
{ERR_REASON(DSO_R_NO_FILENAME) , "no filename"},
{ERR_REASON(DSO_R_NO_FILE_SPECIFICATION) , "no file specification"},
{ERR_REASON(DSO_R_NULL_HANDLE) , "a null shared library handle was used"},
{ERR_REASON(DSO_R_SET_FILENAME_FAILED) , "set filename failed"},
{ERR_REASON(DSO_R_STACK_ERROR) , "the meth_data stack is corrupt"},
{ERR_REASON(DSO_R_SYM_FAILURE) , "could not bind to the requested symbol name"},
{ERR_REASON(DSO_R_UNLOAD_FAILED) , "could not unload the shared library"},
{ERR_REASON(DSO_R_UNSUPPORTED) , "functionality not supported"},
{0, NULL}
};
#endif
void
ERR_load_DSO_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_func_error_string(DSO_str_functs[0].error) == NULL) {
ERR_load_strings(0, DSO_str_functs);
ERR_load_strings(0, DSO_str_reasons);
}
#endif
}

453
crypto/dso/dso_lib.c Normal file
View File

@@ -0,0 +1,453 @@
/* $OpenBSD: dso_lib.c,v 1.20 2018/08/24 19:27:01 tb Exp $ */
/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
* project 2000.
*/
/* ====================================================================
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <string.h>
#include <openssl/crypto.h>
#include <openssl/dso.h>
#include <openssl/err.h>
static DSO_METHOD *default_DSO_meth = NULL;
DSO *
DSO_new(void)
{
return (DSO_new_method(NULL));
}
void
DSO_set_default_method(DSO_METHOD *meth)
{
default_DSO_meth = meth;
}
DSO_METHOD *
DSO_get_default_method(void)
{
return (default_DSO_meth);
}
DSO_METHOD *
DSO_get_method(DSO *dso)
{
return (dso->meth);
}
DSO_METHOD *
DSO_set_method(DSO *dso, DSO_METHOD *meth)
{
DSO_METHOD *mtmp;
mtmp = dso->meth;
dso->meth = meth;
return (mtmp);
}
DSO *
DSO_new_method(DSO_METHOD *meth)
{
DSO *ret;
if (default_DSO_meth == NULL)
/* We default to DSO_METH_openssl() which in turn defaults
* to stealing the "best available" method. Will fallback
* to DSO_METH_null() in the worst case. */
default_DSO_meth = DSO_METHOD_openssl();
ret = calloc(1, sizeof(DSO));
if (ret == NULL) {
DSOerror(ERR_R_MALLOC_FAILURE);
return (NULL);
}
ret->meth_data = sk_void_new_null();
if (ret->meth_data == NULL) {
/* sk_new doesn't generate any errors so we do */
DSOerror(ERR_R_MALLOC_FAILURE);
free(ret);
return (NULL);
}
if (meth == NULL)
ret->meth = default_DSO_meth;
else
ret->meth = meth;
ret->references = 1;
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
free(ret);
ret = NULL;
}
return (ret);
}
int
DSO_free(DSO *dso)
{
int i;
if (dso == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (0);
}
i = CRYPTO_add(&dso->references, -1, CRYPTO_LOCK_DSO);
if (i > 0)
return (1);
if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
DSOerror(DSO_R_UNLOAD_FAILED);
return (0);
}
if ((dso->meth->finish != NULL) && !dso->meth->finish(dso)) {
DSOerror(DSO_R_FINISH_FAILED);
return (0);
}
sk_void_free(dso->meth_data);
free(dso->filename);
free(dso->loaded_filename);
free(dso);
return (1);
}
int
DSO_flags(DSO *dso)
{
return ((dso == NULL) ? 0 : dso->flags);
}
int
DSO_up_ref(DSO *dso)
{
int refs;
if (dso == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (0);
}
refs = CRYPTO_add(&dso->references, 1, CRYPTO_LOCK_DSO);
return ((refs > 1) ? 1 : 0);
}
DSO *
DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
{
DSO *ret;
int allocated = 0;
if (dso == NULL) {
ret = DSO_new_method(meth);
if (ret == NULL) {
DSOerror(ERR_R_MALLOC_FAILURE);
goto err;
}
allocated = 1;
/* Pass the provided flags to the new DSO object */
if (DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0) {
DSOerror(DSO_R_CTRL_FAILED);
goto err;
}
} else
ret = dso;
/* Don't load if we're currently already loaded */
if (ret->filename != NULL) {
DSOerror(DSO_R_DSO_ALREADY_LOADED);
goto err;
}
/* filename can only be NULL if we were passed a dso that already has
* one set. */
if (filename != NULL)
if (!DSO_set_filename(ret, filename)) {
DSOerror(DSO_R_SET_FILENAME_FAILED);
goto err;
}
filename = ret->filename;
if (filename == NULL) {
DSOerror(DSO_R_NO_FILENAME);
goto err;
}
if (ret->meth->dso_load == NULL) {
DSOerror(DSO_R_UNSUPPORTED);
goto err;
}
if (!ret->meth->dso_load(ret)) {
DSOerror(DSO_R_LOAD_FAILED);
goto err;
}
/* Load succeeded */
return (ret);
err:
if (allocated)
DSO_free(ret);
return (NULL);
}
void *
DSO_bind_var(DSO *dso, const char *symname)
{
void *ret = NULL;
if ((dso == NULL) || (symname == NULL)) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
if (dso->meth->dso_bind_var == NULL) {
DSOerror(DSO_R_UNSUPPORTED);
return (NULL);
}
if ((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) {
DSOerror(DSO_R_SYM_FAILURE);
return (NULL);
}
/* Success */
return (ret);
}
DSO_FUNC_TYPE
DSO_bind_func(DSO *dso, const char *symname)
{
DSO_FUNC_TYPE ret = NULL;
if ((dso == NULL) || (symname == NULL)) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
if (dso->meth->dso_bind_func == NULL) {
DSOerror(DSO_R_UNSUPPORTED);
return (NULL);
}
if ((ret = dso->meth->dso_bind_func(dso, symname)) == NULL) {
DSOerror(DSO_R_SYM_FAILURE);
return (NULL);
}
/* Success */
return (ret);
}
/* I don't really like these *_ctrl functions very much to be perfectly
* honest. For one thing, I think I have to return a negative value for
* any error because possible DSO_ctrl() commands may return values
* such as "size"s that can legitimately be zero (making the standard
* "if(DSO_cmd(...))" form that works almost everywhere else fail at
* odd times. I'd prefer "output" values to be passed by reference and
* the return value as success/failure like usual ... but we conform
* when we must... :-) */
long
DSO_ctrl(DSO *dso, int cmd, long larg, void *parg)
{
if (dso == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (-1);
}
/* We should intercept certain generic commands and only pass control
* to the method-specific ctrl() function if it's something we don't
* handle. */
switch (cmd) {
case DSO_CTRL_GET_FLAGS:
return dso->flags;
case DSO_CTRL_SET_FLAGS:
dso->flags = (int)larg;
return (0);
case DSO_CTRL_OR_FLAGS:
dso->flags |= (int)larg;
return (0);
default:
break;
}
if ((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL)) {
DSOerror(DSO_R_UNSUPPORTED);
return (-1);
}
return (dso->meth->dso_ctrl(dso, cmd, larg, parg));
}
int
DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb,
DSO_NAME_CONVERTER_FUNC *oldcb)
{
if (dso == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (0);
}
if (oldcb)
*oldcb = dso->name_converter;
dso->name_converter = cb;
return (1);
}
const char *
DSO_get_filename(DSO *dso)
{
if (dso == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
return (dso->filename);
}
int
DSO_set_filename(DSO *dso, const char *filename)
{
char *copied;
if ((dso == NULL) || (filename == NULL)) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (0);
}
if (dso->loaded_filename) {
DSOerror(DSO_R_DSO_ALREADY_LOADED);
return (0);
}
/* We'll duplicate filename */
copied = strdup(filename);
if (copied == NULL) {
DSOerror(ERR_R_MALLOC_FAILURE);
return (0);
}
free(dso->filename);
dso->filename = copied;
return (1);
}
char *
DSO_merge(DSO *dso, const char *filespec1, const char *filespec2)
{
char *result = NULL;
if (dso == NULL || filespec1 == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) {
if (dso->merger != NULL)
result = dso->merger(dso, filespec1, filespec2);
else if (dso->meth->dso_merger != NULL)
result = dso->meth->dso_merger(dso,
filespec1, filespec2);
}
return (result);
}
char *
DSO_convert_filename(DSO *dso, const char *filename)
{
char *result = NULL;
if (dso == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
if (filename == NULL)
filename = dso->filename;
if (filename == NULL) {
DSOerror(DSO_R_NO_FILENAME);
return (NULL);
}
if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) {
if (dso->name_converter != NULL)
result = dso->name_converter(dso, filename);
else if (dso->meth->dso_name_converter != NULL)
result = dso->meth->dso_name_converter(dso, filename);
}
if (result == NULL) {
result = strdup(filename);
if (result == NULL) {
DSOerror(ERR_R_MALLOC_FAILURE);
return (NULL);
}
}
return (result);
}
const char *
DSO_get_loaded_filename(DSO *dso)
{
if (dso == NULL) {
DSOerror(ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
return (dso->loaded_filename);
}
int
DSO_pathbyaddr(void *addr, char *path, int sz)
{
DSO_METHOD *meth = default_DSO_meth;
if (meth == NULL)
meth = DSO_METHOD_openssl();
if (meth->pathbyaddr == NULL) {
DSOerror(DSO_R_UNSUPPORTED);
return -1;
}
return (*meth->pathbyaddr)(addr, path, sz);
}
void *
DSO_global_lookup(const char *name)
{
DSO_METHOD *meth = default_DSO_meth;
if (meth == NULL)
meth = DSO_METHOD_openssl();
if (meth->globallookup == NULL) {
DSOerror(DSO_R_UNSUPPORTED);
return NULL;
}
return (*meth->globallookup)(name);
}

74
crypto/dso/dso_null.c Normal file
View File

@@ -0,0 +1,74 @@
/* $OpenBSD: dso_null.c,v 1.7 2014/07/11 08:44:48 jsing Exp $ */
/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
* project 2000.
*/
/* ====================================================================
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/* This "NULL" method is provided as the fallback for systems that have
* no appropriate support for "shared-libraries". */
#include <stdio.h>
#include <openssl/dso.h>
static DSO_METHOD dso_meth_null = {
.name = "NULL shared library method"
};
DSO_METHOD *
DSO_METHOD_null(void)
{
return (&dso_meth_null);
}

75
crypto/dso/dso_openssl.c Normal file
View File

@@ -0,0 +1,75 @@
/* $OpenBSD: dso_openssl.c,v 1.6 2014/07/11 08:44:48 jsing Exp $ */
/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
* project 2000.
*/
/* ====================================================================
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <openssl/dso.h>
/* We just pinch the method from an appropriate "default" method. */
DSO_METHOD *
DSO_METHOD_openssl(void)
{
#ifdef DEF_DSO_METHOD
return (DEF_DSO_METHOD());
#elif defined(DSO_DLFCN)
return (DSO_METHOD_dlfcn());
#else
return (DSO_METHOD_null());
#endif
}