+++ /dev/null
-/*
- * 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).
- *
- */
-
-#ifndef HEADER_DSO_H
-# define HEADER_DSO_H
-
-# include <openssl/crypto.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* These values are used as commands to DSO_ctrl() */
-# define DSO_CTRL_GET_FLAGS 1
-# define DSO_CTRL_SET_FLAGS 2
-# define DSO_CTRL_OR_FLAGS 3
-
-/*
- * By default, DSO_load() will translate the provided filename into a form
- * typical for the platform using the dso_name_converter function of the
- * method. Eg. win32 will transform "blah" into "blah.dll", and dlfcn will
- * transform it into "libblah.so". This callback could even utilise the
- * DSO_METHOD's converter too if it only wants to override behaviour for
- * one or two possible DSO methods. However, the following flag can be
- * set in a DSO to prevent *any* native name-translation at all - eg. if
- * the caller has prompted the user for a path to a driver library so the
- * filename should be interpreted as-is.
- */
-# define DSO_FLAG_NO_NAME_TRANSLATION 0x01
-/*
- * An extra flag to give if only the extension should be added as
- * translation. This is obviously only of importance on Unix and other
- * operating systems where the translation also may prefix the name with
- * something, like 'lib', and ignored everywhere else. This flag is also
- * ignored if DSO_FLAG_NO_NAME_TRANSLATION is used at the same time.
- */
-# define DSO_FLAG_NAME_TRANSLATION_EXT_ONLY 0x02
-
-/*
- * The following flag controls the translation of symbol names to upper case.
- * This is currently only being implemented for OpenVMS.
- */
-# define DSO_FLAG_UPCASE_SYMBOL 0x10
-
-/*
- * This flag loads the library with public symbols. Meaning: The exported
- * symbols of this library are public to all libraries loaded after this
- * library. At the moment only implemented in unix.
- */
-# define DSO_FLAG_GLOBAL_SYMBOLS 0x20
-
-typedef void (*DSO_FUNC_TYPE) (void);
-
-typedef struct dso_st DSO;
-typedef struct dso_meth_st DSO_METHOD;
-
-/*
- * The function prototype used for method functions (or caller-provided
- * callbacks) that transform filenames. They are passed a DSO structure
- * pointer (or NULL if they are to be used independently of a DSO object) and
- * a filename to transform. They should either return NULL (if there is an
- * error condition) or a newly allocated string containing the transformed
- * form that the caller will need to free with OPENSSL_free() when done.
- */
-typedef char *(*DSO_NAME_CONVERTER_FUNC)(DSO *, const char *);
-/*
- * The function prototype used for method functions (or caller-provided
- * callbacks) that merge two file specifications. They are passed a DSO
- * structure pointer (or NULL if they are to be used independently of a DSO
- * object) and two file specifications to merge. They should either return
- * NULL (if there is an error condition) or a newly allocated string
- * containing the result of merging that the caller will need to free with
- * OPENSSL_free() when done. Here, merging means that bits and pieces are
- * taken from each of the file specifications and added together in whatever
- * fashion that is sensible for the DSO method in question. The only rule
- * that really applies is that if the two specification contain pieces of the
- * same type, the copy from the first string takes priority. One could see
- * it as the first specification is the one given by the user and the second
- * being a bunch of defaults to add on if they're missing in the first.
- */
-typedef char *(*DSO_MERGER_FUNC)(DSO *, const char *, const char *);
-
-DSO *DSO_new(void);
-int DSO_free(DSO *dso);
-int DSO_flags(DSO *dso);
-int DSO_up_ref(DSO *dso);
-long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg);
-
-/*
- * These functions can be used to get/set the platform-independent filename
- * used for a DSO. NB: set will fail if the DSO is already loaded.
- */
-const char *DSO_get_filename(DSO *dso);
-int DSO_set_filename(DSO *dso, const char *filename);
-/*
- * This function will invoke the DSO's name_converter callback to translate a
- * filename, or if the callback isn't set it will instead use the DSO_METHOD's
- * converter. If "filename" is NULL, the "filename" in the DSO itself will be
- * used. If the DSO_FLAG_NO_NAME_TRANSLATION flag is set, then the filename is
- * simply duplicated. NB: This function is usually called from within a
- * DSO_METHOD during the processing of a DSO_load() call, and is exposed so
- * that caller-created DSO_METHODs can do the same thing. A non-NULL return
- * value will need to be OPENSSL_free()'d.
- */
-char *DSO_convert_filename(DSO *dso, const char *filename);
-/*
- * This function will invoke the DSO's merger callback to merge two file
- * specifications, or if the callback isn't set it will instead use the
- * DSO_METHOD's merger. A non-NULL return value will need to be
- * OPENSSL_free()'d.
- */
-char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2);
-
-/*
- * The all-singing all-dancing load function, you normally pass NULL for the
- * first and third parameters. Use DSO_up_ref and DSO_free for subsequent
- * reference count handling. Any flags passed in will be set in the
- * constructed DSO after its init() function but before the load operation.
- * If 'dso' is non-NULL, 'flags' is ignored.
- */
-DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags);
-
-/* This function binds to a function inside a shared library. */
-DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname);
-
-/*
- * This method is the default, but will beg, borrow, or steal whatever method
- * should be the default on any particular platform (including
- * DSO_METH_null() if necessary).
- */
-DSO_METHOD *DSO_METHOD_openssl(void);
-
-/*
- * This function should be used with caution! It looks up symbols in *all*
- * loaded modules and if module gets unloaded by somebody else attempt to
- * dereference the pointer is doomed to have fatal consequences. Primary
- * usage for this function is to probe *core* system functionality, e.g.
- * check if getnameinfo(3) is available at run-time without bothering about
- * OS-specific details such as libc.so.versioning or where does it actually
- * reside: in libc itself or libsocket.
- */
-void *DSO_global_lookup(const char *name);
-
-/* BEGIN ERROR CODES */
-/*
- * The following lines are auto generated by the script mkerr.pl. Any changes
- * made after this point may be overwritten when the script is next run.
- */
-void ERR_load_DSO_strings(void);
-
-/* Error codes for the DSO functions. */
-
-/* Function codes. */
-# define DSO_F_BEOS_BIND_FUNC 144
-# define DSO_F_BEOS_BIND_VAR 145
-# define DSO_F_BEOS_LOAD 146
-# define DSO_F_BEOS_NAME_CONVERTER 147
-# define DSO_F_BEOS_UNLOAD 148
-# define DSO_F_DLFCN_BIND_FUNC 100
-# define DSO_F_DLFCN_BIND_VAR 101
-# define DSO_F_DLFCN_LOAD 102
-# define DSO_F_DLFCN_MERGER 130
-# define DSO_F_DLFCN_NAME_CONVERTER 123
-# define DSO_F_DLFCN_UNLOAD 103
-# define DSO_F_DL_BIND_FUNC 104
-# define DSO_F_DL_BIND_VAR 105
-# define DSO_F_DL_LOAD 106
-# define DSO_F_DL_MERGER 131
-# define DSO_F_DL_NAME_CONVERTER 124
-# define DSO_F_DL_UNLOAD 107
-# define DSO_F_DSO_BIND_FUNC 108
-# define DSO_F_DSO_CONVERT_FILENAME 126
-# define DSO_F_DSO_CTRL 110
-# define DSO_F_DSO_FREE 111
-# define DSO_F_DSO_GET_FILENAME 127
-# define DSO_F_DSO_GET_LOADED_FILENAME 128
-# define DSO_F_DSO_GLOBAL_LOOKUP 139
-# define DSO_F_DSO_LOAD 112
-# define DSO_F_DSO_MERGE 132
-# define DSO_F_DSO_NEW_METHOD 113
-# define DSO_F_DSO_SET_FILENAME 129
-# define DSO_F_DSO_UP_REF 114
-# define DSO_F_GLOBAL_LOOKUP_FUNC 138
-# define DSO_F_VMS_BIND_SYM 115
-# define DSO_F_VMS_LOAD 116
-# define DSO_F_VMS_MERGER 133
-# define DSO_F_VMS_UNLOAD 117
-# define DSO_F_WIN32_BIND_FUNC 118
-# define DSO_F_WIN32_BIND_VAR 119
-# define DSO_F_WIN32_GLOBALLOOKUP 142
-# define DSO_F_WIN32_GLOBALLOOKUP_FUNC 143
-# define DSO_F_WIN32_JOINER 135
-# define DSO_F_WIN32_LOAD 120
-# define DSO_F_WIN32_MERGER 134
-# define DSO_F_WIN32_NAME_CONVERTER 125
-# define DSO_F_WIN32_SPLITTER 136
-# define DSO_F_WIN32_UNLOAD 121
-
-/* Reason codes. */
-# define DSO_R_CTRL_FAILED 100
-# define DSO_R_DSO_ALREADY_LOADED 110
-# define DSO_R_EMPTY_FILE_STRUCTURE 113
-# define DSO_R_FAILURE 114
-# define DSO_R_FILENAME_TOO_BIG 101
-# define DSO_R_FINISH_FAILED 102
-# define DSO_R_INCORRECT_FILE_SYNTAX 115
-# define DSO_R_LOAD_FAILED 103
-# define DSO_R_NAME_TRANSLATION_FAILED 109
-# define DSO_R_NO_FILENAME 111
-# define DSO_R_NO_FILE_SPECIFICATION 116
-# define DSO_R_NULL_HANDLE 104
-# define DSO_R_SET_FILENAME_FAILED 112
-# define DSO_R_STACK_ERROR 105
-# define DSO_R_SYM_FAILURE 106
-# define DSO_R_UNLOAD_FAILED 107
-# define DSO_R_UNSUPPORTED 108
-
-#ifdef __cplusplus
-}
-#endif
-#endif
projects / openssl.git / blobdiff