1 files changed, 250 insertions, 0 deletions

diff --git a/src/lib/libcrypto/dso/dso.h b/src/lib/libcrypto/dso/dso.h
new file mode 100644
index 0000000000..bed7c464a6
--- /dev/null
+++ b/src/lib/libcrypto/dso/dso.h
@@ -0,0 +1,250 @@
+/* dso.h */
+/* 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
+
+/* These flags control the translation of file-names from canonical to
+ * native. Eg. in the CryptoSwift support, the "dl" and "dlfcn"
+ * methods will translate "swift" -> "libswift.so" whereas the "win32"
+ * method will translate "swift" -> "swift.dll". NB: Until I can figure
+ * out how to be more "conventional" with this, the methods will only
+ * honour this flag if it looks like it was passed a file without any
+ * path and if the filename is small enough.
+ */
+#define DSO_FLAG_NAME_TRANSLATION 0x01
+
+/* 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    0x02
+
+
+typedef void (*DSO_FUNC_TYPE)(void);
+
+typedef struct dso_st DSO;
+
+typedef struct dso_meth_st
+        {
+        const char *name;
+        /* Loads a shared library */
+        int (*dso_load)(DSO *dso, const char *filename);
+        /* Unloads a shared library */
+        int (*dso_unload)(DSO *dso);
+        /* Binds a variable */
+        void *(*dso_bind_var)(DSO *dso, const char *symname);
+        /* Binds a function - assumes a return type of DSO_FUNC_TYPE.
+         * This should be cast to the real function prototype by the
+         * caller. Platforms that don't have compatible representations
+         * for different prototypes (this is possible within ANSI C)
+         * are highly unlikely to have shared libraries at all, let
+         * alone a DSO_METHOD implemented for them. */
+        DSO_FUNC_TYPE (*dso_bind_func)(DSO *dso, const char *symname);
+
+/* I don't think this would actually be used in any circumstances. */
+#if 0
+        /* Unbinds a variable */
+        int (*dso_unbind_var)(DSO *dso, char *symname, void *symptr);
+        /* Unbinds a function */
+        int (*dso_unbind_func)(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
+#endif
+        /* The generic (yuck) "ctrl()" function. NB: Negative return
+         * values (rather than zero) indicate errors. */
+        long (*dso_ctrl)(DSO *dso, int cmd, long larg, void *parg);
+
+        /* [De]Initialisation handlers. */
+        int (*init)(DSO *dso);
+        int (*finish)(DSO *dso);
+        } DSO_METHOD;
+
+/**********************************************************************/
+/* The low-level handle type used to refer to a loaded shared library */
+
+struct dso_st
+        {
+        DSO_METHOD *meth;
+        /* Standard dlopen uses a (void *). Win32 uses a HANDLE. VMS
+         * doesn't use anything but will need to cache the filename
+         * for use in the dso_bind handler. All in all, let each
+         * method control its own destiny. "Handles" and such go in
+         * a STACK. */
+        STACK *meth_data;
+        int references;
+        int flags;
+        /* For use by applications etc ... use this for your bits'n'pieces,
+         * don't touch meth_data! */
+        CRYPTO_EX_DATA ex_data;
+        };
+
+
+DSO *   DSO_new(void);
+DSO *   DSO_new_method(DSO_METHOD *method);
+int     DSO_free(DSO *dso);
+int     DSO_flags(DSO *dso);
+int     DSO_up(DSO *dso);
+long    DSO_ctrl(DSO *dso, int cmd, long larg, void *parg);
+
+void DSO_set_default_method(DSO_METHOD *meth);
+DSO_METHOD *DSO_get_default_method(void);
+DSO_METHOD *DSO_get_method(DSO *dso);
+DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth);
+
+/* The all-singing all-dancing load function, you normally pass NULL
+ * for the first and third parameters. Use DSO_up 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. This will be done with;
+ *    DSO_ctrl(dso, DSO_CTRL_SET_FLAGS, flags, NULL); */
+DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags);
+
+/* This function binds to a variable inside a shared library. */
+void *DSO_bind_var(DSO *dso, const char *symname);
+
+/* 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 method is defined for all platforms - if a platform has no
+ * DSO support then this will be the only method! */
+DSO_METHOD *DSO_METHOD_null(void);
+
+/* If DSO_DLFCN is defined, the standard dlfcn.h-style functions
+ * (dlopen, dlclose, dlsym, etc) will be used and incorporated into
+ * this method. If not, this method will return NULL. */
+DSO_METHOD *DSO_METHOD_dlfcn(void);
+
+/* If DSO_DL is defined, the standard dl.h-style functions (shl_load, 
+ * shl_unload, shl_findsym, etc) will be used and incorporated into
+ * this method. If not, this method will return NULL. */
+DSO_METHOD *DSO_METHOD_dl(void);
+
+/* If WIN32 is defined, use DLLs. If not, return NULL. */
+DSO_METHOD *DSO_METHOD_win32(void);
+
+/* If VMS is defined, use shared images. If not, return NULL. */
+DSO_METHOD *DSO_METHOD_vms(void);
+
+void ERR_load_DSO_strings(void);
+
+/* 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.
+ */
+
+/* Error codes for the DSO functions. */
+
+/* Function codes. */
+#define DSO_F_DLFCN_BIND_FUNC                            100
+#define DSO_F_DLFCN_BIND_VAR                             101
+#define DSO_F_DLFCN_CTRL                                 102
+#define DSO_F_DLFCN_LOAD                                 103
+#define DSO_F_DLFCN_UNLOAD                               104
+#define DSO_F_DL_BIND_FUNC                               105
+#define DSO_F_DL_BIND_VAR                                106
+#define DSO_F_DL_CTRL                                    107
+#define DSO_F_DL_LOAD                                    108
+#define DSO_F_DL_UNLOAD                                  109
+#define DSO_F_DSO_BIND_FUNC                              110
+#define DSO_F_DSO_BIND_VAR                               111
+#define DSO_F_DSO_CTRL                                   112
+#define DSO_F_DSO_FREE                                   113
+#define DSO_F_DSO_LOAD                                   114
+#define DSO_F_DSO_NEW_METHOD                             115
+#define DSO_F_DSO_UP                                     116
+#define DSO_F_VMS_BIND_VAR                               122
+#define DSO_F_VMS_CTRL                                   123
+#define DSO_F_VMS_LOAD                                   124
+#define DSO_F_VMS_UNLOAD                                 125
+#define DSO_F_WIN32_BIND_FUNC                            117
+#define DSO_F_WIN32_BIND_VAR                             118
+#define DSO_F_WIN32_CTRL                                 119
+#define DSO_F_WIN32_LOAD                                 120
+#define DSO_F_WIN32_UNLOAD                               121
+
+/* Reason codes. */
+#define DSO_R_CTRL_FAILED                                100
+#define DSO_R_FILENAME_TOO_BIG                           109
+#define DSO_R_FINISH_FAILED                              101
+#define DSO_R_LOAD_FAILED                                102
+#define DSO_R_NULL_HANDLE                                103
+#define DSO_R_STACK_ERROR                                104
+#define DSO_R_SYM_FAILURE                                105
+#define DSO_R_UNKNOWN_COMMAND                            106
+#define DSO_R_UNLOAD_FAILED                              107
+#define DSO_R_UNSUPPORTED                                108
+
+#ifdef  __cplusplus
+}
+#endif
+#endif
+