diff options
Diffstat (limited to 'crypto/dso/dso_dl.c')
| -rw-r--r-- | crypto/dso/dso_dl.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/crypto/dso/dso_dl.c b/crypto/dso/dso_dl.c deleted file mode 100644 index 4dbb51fb8c1..00000000000 --- a/crypto/dso/dso_dl.c +++ /dev/null @@ -1,278 +0,0 @@ -/* dso_dl.c */ -/* Written by Richard Levitte ([email protected]) 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 - * [email protected]. - * - * 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 - * ([email protected]). This product includes software written by Tim - * Hudson ([email protected]). - * - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/dso.h> - -#ifndef DSO_DL -DSO_METHOD *DSO_METHOD_dl(void) - { - return NULL; - } -#else - -#include <dl.h> - -/* Part of the hack in "dl_load" ... */ -#define DSO_MAX_TRANSLATED_SIZE 256 - -static int dl_load(DSO *dso); -static int dl_unload(DSO *dso); -static void *dl_bind_var(DSO *dso, const char *symname); -static DSO_FUNC_TYPE dl_bind_func(DSO *dso, const char *symname); -#if 0 -static int dl_unbind_var(DSO *dso, char *symname, void *symptr); -static int dl_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); -static int dl_init(DSO *dso); -static int dl_finish(DSO *dso); -static int dl_ctrl(DSO *dso, int cmd, long larg, void *parg); -#endif -static char *dl_name_converter(DSO *dso, const char *filename); - -static DSO_METHOD dso_meth_dl = { - "OpenSSL 'dl' shared library method", - dl_load, - dl_unload, - dl_bind_var, - dl_bind_func, -/* For now, "unbind" doesn't exist */ -#if 0 - NULL, /* unbind_var */ - NULL, /* unbind_func */ -#endif - NULL, /* ctrl */ - dl_name_converter, - NULL, /* init */ - NULL /* finish */ - }; - -DSO_METHOD *DSO_METHOD_dl(void) - { - return(&dso_meth_dl); - } - -/* For this DSO_METHOD, our meth_data STACK will contain; - * (i) the handle (shl_t) returned from shl_load(). - * NB: I checked on HPUX11 and shl_t is itself a pointer - * type so the cast is safe. - */ - -static int dl_load(DSO *dso) - { - shl_t ptr = NULL; - /* We don't do any fancy retries or anything, just take the method's - * (or DSO's if it has the callback set) best translation of the - * platform-independant filename and try once with that. */ - char *filename= DSO_convert_filename(dso, NULL); - - if(filename == NULL) - { - DSOerr(DSO_F_DL_LOAD,DSO_R_NO_FILENAME); - goto err; - } - ptr = shl_load(filename, BIND_IMMEDIATE|DYNAMIC_PATH, NULL); - if(ptr == NULL) - { - DSOerr(DSO_F_DL_LOAD,DSO_R_LOAD_FAILED); - goto err; - } - if(!sk_push(dso->meth_data, (char *)ptr)) - { - DSOerr(DSO_F_DL_LOAD,DSO_R_STACK_ERROR); - goto err; - } - /* Success, stick the converted filename we've loaded under into the DSO - * (it also serves as the indicator that we are currently loaded). */ - dso->loaded_filename = filename; - return(1); -err: - /* Cleanup! */ - if(filename != NULL) - OPENSSL_free(filename); - if(ptr != NULL) - shl_unload(ptr); - return(0); - } - -static int dl_unload(DSO *dso) - { - shl_t ptr; - if(dso == NULL) - { - DSOerr(DSO_F_DL_UNLOAD,ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - if(sk_num(dso->meth_data) < 1) - return(1); - /* Is this statement legal? */ - ptr = (shl_t)sk_pop(dso->meth_data); - if(ptr == NULL) - { - DSOerr(DSO_F_DL_UNLOAD,DSO_R_NULL_HANDLE); - /* Should push the value back onto the stack in - * case of a retry. */ - sk_push(dso->meth_data, (char *)ptr); - return(0); - } - shl_unload(ptr); - return(1); - } - -static void *dl_bind_var(DSO *dso, const char *symname) - { - shl_t ptr; - void *sym; - - if((dso == NULL) || (symname == NULL)) - { - DSOerr(DSO_F_DL_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(sk_num(dso->meth_data) < 1) - { - DSOerr(DSO_F_DL_BIND_VAR,DSO_R_STACK_ERROR); - return(NULL); - } - ptr = (shl_t)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1); - if(ptr == NULL) - { - DSOerr(DSO_F_DL_BIND_VAR,DSO_R_NULL_HANDLE); - return(NULL); - } - if (shl_findsym(&ptr, symname, TYPE_UNDEFINED, &sym) < 0) - { - DSOerr(DSO_F_DL_BIND_VAR,DSO_R_SYM_FAILURE); - return(NULL); - } - return(sym); - } - -static DSO_FUNC_TYPE dl_bind_func(DSO *dso, const char *symname) - { - shl_t ptr; - void *sym; - - if((dso == NULL) || (symname == NULL)) - { - DSOerr(DSO_F_DL_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER); - return(NULL); - } - if(sk_num(dso->meth_data) < 1) - { - DSOerr(DSO_F_DL_BIND_FUNC,DSO_R_STACK_ERROR); - return(NULL); - } - ptr = (shl_t)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1); - if(ptr == NULL) - { - DSOerr(DSO_F_DL_BIND_FUNC,DSO_R_NULL_HANDLE); - return(NULL); - } - if (shl_findsym(&ptr, symname, TYPE_UNDEFINED, &sym) < 0) - { - DSOerr(DSO_F_DL_BIND_FUNC,DSO_R_SYM_FAILURE); - return(NULL); - } - return((DSO_FUNC_TYPE)sym); - } - -/* This function is identical to the one in dso_dlfcn.c, but as it is highly - * unlikely that both the "dl" *and* "dlfcn" variants are being compiled at the - * same time, there's no great duplicating the code. Figuring out an elegant - * way to share one copy of the code would be more difficult and would not - * leave the implementations independant. */ -#if defined(__hpux) -static const char extension[] = ".sl"; -#else -static const char extension[] = ".so"; -#endif -static char *dl_name_converter(DSO *dso, const char *filename) - { - char *translated; - int len, rsize, transform; - - len = strlen(filename); - rsize = len + 1; - transform = (strstr(filename, "/") == NULL); - { - /* We will convert this to "%s.s?" or "lib%s.s?" */ - rsize += strlen(extension);/* The length of ".s?" */ - if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0) - rsize += 3; /* The length of "lib" */ - } - translated = OPENSSL_malloc(rsize); - if(translated == NULL) - { - DSOerr(DSO_F_DL_NAME_CONVERTER, - DSO_R_NAME_TRANSLATION_FAILED); - return(NULL); - } - if(transform) - { - if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0) - sprintf(translated, "lib%s%s", filename, extension); - else - sprintf(translated, "%s%s", filename, extension); - } - else - sprintf(translated, "%s", filename); - return(translated); - } - -#endif /* DSO_DL */ |