diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/dso/dso_dl.c')
-rw-r--r-- | deps/openssl/openssl/crypto/dso/dso_dl.c | 155 |
1 files changed, 27 insertions, 128 deletions
diff --git a/deps/openssl/openssl/crypto/dso/dso_dl.c b/deps/openssl/openssl/crypto/dso/dso_dl.c index ceedf66e88..d80bf562c7 100644 --- a/deps/openssl/openssl/crypto/dso/dso_dl.c +++ b/deps/openssl/openssl/crypto/dso/dso_dl.c @@ -1,72 +1,15 @@ -/* dso_dl.c */ /* - * Written by Richard Levitte (richard@levitte.org) 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). + * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. * + * 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 */ -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/dso.h> +#include "dso_locl.h" -#ifndef DSO_DL -DSO_METHOD *DSO_METHOD_dl(void) -{ - return NULL; -} -#else +#ifdef DSO_DL # include <dl.h> @@ -75,15 +18,7 @@ DSO_METHOD *DSO_METHOD_dl(void) 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 char *dl_merger(DSO *dso, const char *filespec1, const char *filespec2); @@ -94,13 +29,7 @@ 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, dl_merger, @@ -110,9 +39,9 @@ static DSO_METHOD dso_meth_dl = { dl_globallookup }; -DSO_METHOD *DSO_METHOD_dl(void) +DSO_METHOD *DSO_METHOD_openssl(void) { - return (&dso_meth_dl); + return &dso_meth_dl; } /* @@ -127,7 +56,7 @@ static int dl_load(DSO *dso) /* * 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. + * platform-independent filename and try once with that. */ char *filename = DSO_convert_filename(dso, NULL); @@ -139,8 +68,10 @@ static int dl_load(DSO *dso) (dso->flags & DSO_FLAG_NO_NAME_TRANSLATION ? 0 : DYNAMIC_PATH), 0L); if (ptr == NULL) { + char errbuf[160]; DSOerr(DSO_F_DL_LOAD, DSO_R_LOAD_FAILED); - ERR_add_error_data(4, "filename(", filename, "): ", strerror(errno)); + if (openssl_strerror_r(errno, errbuf, sizeof(errbuf))) + ERR_add_error_data(4, "filename(", filename, "): ", errbuf); goto err; } if (!sk_push(dso->meth_data, (char *)ptr)) { @@ -155,8 +86,7 @@ static int dl_load(DSO *dso) return (1); err: /* Cleanup! */ - if (filename != NULL) - OPENSSL_free(filename); + OPENSSL_free(filename); if (ptr != NULL) shl_unload(ptr); return (0); @@ -185,32 +115,6 @@ static int dl_unload(DSO *dso) 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); - ERR_add_error_data(4, "symname(", symname, "): ", strerror(errno)); - return (NULL); - } - return (sym); -} - static DSO_FUNC_TYPE dl_bind_func(DSO *dso, const char *symname) { shl_t ptr; @@ -230,8 +134,10 @@ static DSO_FUNC_TYPE dl_bind_func(DSO *dso, const char *symname) return (NULL); } if (shl_findsym(&ptr, symname, TYPE_UNDEFINED, &sym) < 0) { + char errbuf[160]; DSOerr(DSO_F_DL_BIND_FUNC, DSO_R_SYM_FAILURE); - ERR_add_error_data(4, "symname(", symname, "): ", strerror(errno)); + if (openssl_strerror_r(errno, errbuf, sizeof(errbuf))) + ERR_add_error_data(4, "symname(", symname, "): ", errbuf); return (NULL); } return ((DSO_FUNC_TYPE)sym); @@ -250,23 +156,21 @@ static char *dl_merger(DSO *dso, const char *filespec1, const char *filespec2) * if the second file specification is missing. */ if (!filespec2 || filespec1[0] == '/') { - merged = OPENSSL_malloc(strlen(filespec1) + 1); - if (!merged) { + merged = OPENSSL_strdup(filespec1); + if (merged == NULL) { DSOerr(DSO_F_DL_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_malloc(strlen(filespec2) + 1); - if (!merged) { + merged = OPENSSL_strdup(filespec2); + if (merged == NULL) { DSOerr(DSO_F_DL_MERGER, ERR_R_MALLOC_FAILURE); return (NULL); } - strcpy(merged, filespec2); } else /* * This part isn't as trivial as it looks. It assumes that the @@ -281,12 +185,12 @@ static char *dl_merger(DSO *dso, const char *filespec1, const char *filespec2) spec2len = (filespec2 ? strlen(filespec2) : 0); len = spec2len + (filespec1 ? strlen(filespec1) : 0); - if (filespec2 && filespec2[spec2len - 1] == '/') { + if (spec2len && filespec2[spec2len - 1] == '/') { spec2len--; len--; } merged = OPENSSL_malloc(len + 2); - if (!merged) { + if (merged == NULL) { DSOerr(DSO_F_DL_MERGER, ERR_R_MALLOC_FAILURE); return (NULL); } @@ -302,13 +206,8 @@ static char *dl_merger(DSO *dso, const char *filespec1, const char *filespec2) * 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. + * would not leave the implementations independent. */ -# 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; @@ -319,7 +218,7 @@ static char *dl_name_converter(DSO *dso, const char *filename) transform = (strstr(filename, "/") == NULL); { /* We will convert this to "%s.s?" or "lib%s.s?" */ - rsize += strlen(extension); /* The length of ".s?" */ + rsize += strlen(DSO_EXTENSION); /* The length of ".s?" */ if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0) rsize += 3; /* The length of "lib" */ } @@ -330,9 +229,9 @@ static char *dl_name_converter(DSO *dso, const char *filename) } if (transform) { if ((DSO_flags(dso) & DSO_FLAG_NAME_TRANSLATION_EXT_ONLY) == 0) - sprintf(translated, "lib%s%s", filename, extension); + sprintf(translated, "lib%s%s", filename, DSO_EXTENSION); else - sprintf(translated, "%s%s", filename, extension); + sprintf(translated, "%s%s", filename, DSO_EXTENSION); } else sprintf(translated, "%s", filename); return (translated); |