diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/dso/dso_dlfcn.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/dso/dso_dlfcn.c | 149 |
1 files changed, 130 insertions, 19 deletions
diff --git a/Cryptlib/OpenSSL/crypto/dso/dso_dlfcn.c b/Cryptlib/OpenSSL/crypto/dso/dso_dlfcn.c index a4b0cdd9..78df723f 100644 --- a/Cryptlib/OpenSSL/crypto/dso/dso_dlfcn.c +++ b/Cryptlib/OpenSSL/crypto/dso/dso_dlfcn.c @@ -1,10 +1,60 @@ +/* dso_dlfcn.c */ /* - * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. + * 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). * - * Licensed under the OpenSSL license (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy - * in the file LICENSE in the source distribution or at - * https://www.openssl.org/source/license.html */ /* @@ -16,9 +66,16 @@ # define _GNU_SOURCE /* make sure dladdr is declared */ #endif -#include "dso_locl.h" +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/dso.h> -#ifdef DSO_DLFCN +#ifndef DSO_DLFCN +DSO_METHOD *DSO_METHOD_dlfcn(void) +{ + return NULL; +} +#else # ifdef HAVE_DLFCN_H # ifdef __osf__ @@ -40,7 +97,14 @@ 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); +# if 0 +static int dlfcn_unbind(DSO *dso, char *symname, void *symptr); +static int dlfcn_init(DSO *dso); +static int dlfcn_finish(DSO *dso); +static long dlfcn_ctrl(DSO *dso, int cmd, long larg, void *parg); +# endif static char *dlfcn_name_converter(DSO *dso, const char *filename); static char *dlfcn_merger(DSO *dso, const char *filespec1, const char *filespec2); @@ -51,7 +115,13 @@ static DSO_METHOD dso_meth_dlfcn = { "OpenSSL 'dlfcn' shared library method", dlfcn_load, dlfcn_unload, + dlfcn_bind_var, dlfcn_bind_func, +/* For now, "unbind" doesn't exist */ +# if 0 + NULL, /* unbind_var */ + NULL, /* unbind_func */ +# endif NULL, /* ctrl */ dlfcn_name_converter, dlfcn_merger, @@ -61,9 +131,9 @@ static DSO_METHOD dso_meth_dlfcn = { dlfcn_globallookup }; -DSO_METHOD *DSO_METHOD_openssl(void) +DSO_METHOD *DSO_METHOD_dlfcn(void) { - return &dso_meth_dlfcn; + return (&dso_meth_dlfcn); } /* @@ -85,7 +155,11 @@ DSO_METHOD *DSO_METHOD_openssl(void) # endif # endif # else -# define DLOPEN_FLAG RTLD_NOW /* Hope this works everywhere else */ +# ifdef OPENSSL_SYS_SUNOS +# define DLOPEN_FLAG 1 +# else +# define DLOPEN_FLAG RTLD_NOW /* Hope this works everywhere else */ +# endif # endif /* @@ -123,7 +197,8 @@ static int dlfcn_load(DSO *dso) return (1); err: /* Cleanup! */ - OPENSSL_free(filename); + if (filename != NULL) + OPENSSL_free(filename); if (ptr != NULL) dlclose(ptr); return (0); @@ -152,6 +227,32 @@ static int dlfcn_unload(DSO *dso) return (1); } +static void *dlfcn_bind_var(DSO *dso, const char *symname) +{ + void *ptr, *sym; + + if ((dso == NULL) || (symname == NULL)) { + DSOerr(DSO_F_DLFCN_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER); + return (NULL); + } + if (sk_void_num(dso->meth_data) < 1) { + DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_STACK_ERROR); + return (NULL); + } + ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1); + if (ptr == NULL) { + DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_NULL_HANDLE); + return (NULL); + } + sym = dlsym(ptr, symname); + if (sym == NULL) { + DSOerr(DSO_F_DLFCN_BIND_VAR, DSO_R_SYM_FAILURE); + ERR_add_error_data(4, "symname(", symname, "): ", dlerror()); + return (NULL); + } + return (sym); +} + static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname) { void *ptr; @@ -196,21 +297,23 @@ static char *dlfcn_merger(DSO *dso, const char *filespec1, * if the second file specification is missing. */ if (!filespec2 || (filespec1 != NULL && filespec1[0] == '/')) { - merged = OPENSSL_strdup(filespec1); - if (merged == NULL) { + merged = OPENSSL_malloc(strlen(filespec1) + 1); + if (!merged) { DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE); return (NULL); } + strcpy(merged, filespec1); } /* * If the first file specification is missing, the second one rules. */ else if (!filespec1) { - merged = OPENSSL_strdup(filespec2); - if (merged == NULL) { + merged = OPENSSL_malloc(strlen(filespec2) + 1); + if (!merged) { DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE); return (NULL); } + strcpy(merged, filespec2); } else { /* * This part isn't as trivial as it looks. It assumes that the @@ -229,7 +332,7 @@ static char *dlfcn_merger(DSO *dso, const char *filespec1, len--; } merged = OPENSSL_malloc(len + 2); - if (merged == NULL) { + if (!merged) { DSOerr(DSO_F_DLFCN_MERGER, ERR_R_MALLOC_FAILURE); return (NULL); } @@ -240,6 +343,14 @@ static char *dlfcn_merger(DSO *dso, const char *filespec1, return (merged); } +# ifdef OPENSSL_SYS_MACOSX +# define DSO_ext ".dylib" +# define DSO_extlen 6 +# else +# define DSO_ext ".so" +# define DSO_extlen 3 +# endif + static char *dlfcn_name_converter(DSO *dso, const char *filename) { char *translated; @@ -250,7 +361,7 @@ static char *dlfcn_name_converter(DSO *dso, const char *filename) transform = (strstr(filename, "/") == NULL); if (transform) { /* We will convert this to "%s.so" or "lib%s.so" etc */ - rsize += strlen(DSO_EXTENSION); /* The length of ".so" */ + rsize += DSO_extlen; /* The length of ".so" */ if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0) rsize += 3; /* The length of "lib" */ } @@ -261,9 +372,9 @@ static char *dlfcn_name_converter(DSO *dso, const char *filename) } if (transform) { if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0) - sprintf(translated, "lib%s" DSO_EXTENSION, filename); + sprintf(translated, "lib%s" DSO_ext, filename); else - sprintf(translated, "%s" DSO_EXTENSION, filename); + sprintf(translated, "%s" DSO_ext, filename); } else sprintf(translated, "%s", filename); return (translated); |