diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/dso/dso_dl.c')
-rw-r--r-- | Cryptlib/OpenSSL/crypto/dso/dso_dl.c | 155 |
1 files changed, 128 insertions, 27 deletions
diff --git a/Cryptlib/OpenSSL/crypto/dso/dso_dl.c b/Cryptlib/OpenSSL/crypto/dso/dso_dl.c index d80bf562..ceedf66e 100644 --- a/Cryptlib/OpenSSL/crypto/dso/dso_dl.c +++ b/Cryptlib/OpenSSL/crypto/dso/dso_dl.c @@ -1,15 +1,72 @@ +/* dso_dl.c */ /* - * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. + * 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). * - * 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 "dso_locl.h" +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/dso.h> -#ifdef DSO_DL +#ifndef DSO_DL +DSO_METHOD *DSO_METHOD_dl(void) +{ + return NULL; +} +#else # include <dl.h> @@ -18,7 +75,15 @@ 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); @@ -29,7 +94,13 @@ 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, @@ -39,9 +110,9 @@ static DSO_METHOD dso_meth_dl = { dl_globallookup }; -DSO_METHOD *DSO_METHOD_openssl(void) +DSO_METHOD *DSO_METHOD_dl(void) { - return &dso_meth_dl; + return (&dso_meth_dl); } /* @@ -56,7 +127,7 @@ 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-independent filename and try once with that. + * platform-independant filename and try once with that. */ char *filename = DSO_convert_filename(dso, NULL); @@ -68,10 +139,8 @@ 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); - if (openssl_strerror_r(errno, errbuf, sizeof(errbuf))) - ERR_add_error_data(4, "filename(", filename, "): ", errbuf); + ERR_add_error_data(4, "filename(", filename, "): ", strerror(errno)); goto err; } if (!sk_push(dso->meth_data, (char *)ptr)) { @@ -86,7 +155,8 @@ static int dl_load(DSO *dso) return (1); err: /* Cleanup! */ - OPENSSL_free(filename); + if (filename != NULL) + OPENSSL_free(filename); if (ptr != NULL) shl_unload(ptr); return (0); @@ -115,6 +185,32 @@ 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; @@ -134,10 +230,8 @@ 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); - if (openssl_strerror_r(errno, errbuf, sizeof(errbuf))) - ERR_add_error_data(4, "symname(", symname, "): ", errbuf); + ERR_add_error_data(4, "symname(", symname, "): ", strerror(errno)); return (NULL); } return ((DSO_FUNC_TYPE)sym); @@ -156,21 +250,23 @@ 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_strdup(filespec1); - if (merged == NULL) { + merged = OPENSSL_malloc(strlen(filespec1) + 1); + if (!merged) { 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_strdup(filespec2); - if (merged == NULL) { + merged = OPENSSL_malloc(strlen(filespec2) + 1); + if (!merged) { 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 @@ -185,12 +281,12 @@ static char *dl_merger(DSO *dso, const char *filespec1, const char *filespec2) spec2len = (filespec2 ? strlen(filespec2) : 0); len = spec2len + (filespec1 ? strlen(filespec1) : 0); - if (spec2len && filespec2[spec2len - 1] == '/') { + if (filespec2 && filespec2[spec2len - 1] == '/') { spec2len--; len--; } merged = OPENSSL_malloc(len + 2); - if (merged == NULL) { + if (!merged) { DSOerr(DSO_F_DL_MERGER, ERR_R_MALLOC_FAILURE); return (NULL); } @@ -206,8 +302,13 @@ 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 independent. + * 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; @@ -218,7 +319,7 @@ 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(DSO_EXTENSION); /* The length of ".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" */ } @@ -229,9 +330,9 @@ 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, DSO_EXTENSION); + sprintf(translated, "lib%s%s", filename, extension); else - sprintf(translated, "%s%s", filename, DSO_EXTENSION); + sprintf(translated, "%s%s", filename, extension); } else sprintf(translated, "%s", filename); return (translated); |