src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/ssl/src/crypto/dso/dso_vms.c - public/gem5-resources - Git at Google

 /* dso_vms.c -*- mode:C; c-file-style: "eay" -*- */
 /* 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).
  *
  */

 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
 #include "cryptlib.h"
 #include <openssl/dso.h>
 #ifdef OPENSSL_SYS_VMS
 #pragma message disable DOLLARID
 #include <rms.h>
 #include <lib$routines.h>
 #include <stsdef.h>
 #include <descrip.h>
 #include <starlet.h>
 #endif

 #ifndef OPENSSL_SYS_VMS
 DSO_METHOD *DSO_METHOD_vms(void)
 	{
 	return NULL;
 	}
 #else
 #pragma message disable DOLLARID

 static int vms_load(DSO *dso);
 static int vms_unload(DSO *dso);
 static void *vms_bind_var(DSO *dso, const char *symname);
 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
 #if 0
 static int vms_unbind_var(DSO *dso, char *symname, void *symptr);
 static int vms_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
 static int vms_init(DSO *dso);
 static int vms_finish(DSO *dso);
 static long vms_ctrl(DSO *dso, int cmd, long larg, void *parg);
 #endif
 static char *vms_name_converter(DSO *dso, const char *filename);
 static char *vms_merger(DSO *dso, const char *filespec1,
 	const char *filespec2);

 static DSO_METHOD dso_meth_vms = {
 	"OpenSSL 'VMS' shared library method",
 	vms_load,
 	NULL, /* unload */
 	vms_bind_var,
 	vms_bind_func,
 /* For now, "unbind" doesn't exist */
 #if 0
 	NULL, /* unbind_var */
 	NULL, /* unbind_func */
 #endif
 	NULL, /* ctrl */
 	vms_name_converter,
 	vms_merger,
 	NULL, /* init */
 	NULL  /* finish */
 	};

 /* On VMS, the only "handle" is the file name.  LIB$FIND_IMAGE_SYMBOL depends
  * on the reference to the file name being the same for all calls regarding
  * one shared image, so we'll just store it in an instance of the following
  * structure and put a pointer to that instance in the meth_data stack.
  */
 typedef struct dso_internal_st
 	{
 	/* This should contain the name only, no directory,
 	 * no extension, nothing but a name. */
 	struct dsc$descriptor_s filename_dsc;
 	char filename[FILENAME_MAX+1];
 	/* This contains whatever is not in filename, if needed.
 	 * Normally not defined. */
 	struct dsc$descriptor_s imagename_dsc;
 	char imagename[FILENAME_MAX+1];
 	} DSO_VMS_INTERNAL;


 DSO_METHOD *DSO_METHOD_vms(void)
 	{
 	return(&dso_meth_vms);
 	}

 static int vms_load(DSO *dso)
 	{
 	void *ptr = NULL;
 	/* See applicable comments in dso_dl.c */
 	char *filename = DSO_convert_filename(dso, NULL);
 	DSO_VMS_INTERNAL *p;
 	const char *sp1, *sp2;	/* Search result */

 	if(filename == NULL)
 		{
 		DSOerr(DSO_F_VMS_LOAD,DSO_R_NO_FILENAME);
 		goto err;
 		}

 	/* A file specification may look like this:
 	 *
 	 *	node::dev:[dir-spec]name.type;ver
 	 *
 	 * or (for compatibility with TOPS-20):
 	 *
 	 *	node::dev:<dir-spec>name.type;ver
 	 *
 	 * and the dir-spec uses '.' as separator.  Also, a dir-spec
 	 * may consist of several parts, with mixed use of [] and <>:
 	 *
 	 *	[dir1.]<dir2>
 	 *
 	 * We need to split the file specification into the name and
 	 * the rest (both before and after the name itself).
 	 */
 	/* Start with trying to find the end of a dir-spec, and save the
 	   position of the byte after in sp1 */
 	sp1 = strrchr(filename, ']');
 	sp2 = strrchr(filename, '>');
 	if (sp1 == NULL) sp1 = sp2;
 	if (sp2 != NULL && sp2 > sp1) sp1 = sp2;
 	if (sp1 == NULL) sp1 = strrchr(filename, ':');
 	if (sp1 == NULL)
 		sp1 = filename;
 	else
 		sp1++;		/* The byte after the found character */
 	/* Now, let's see if there's a type, and save the position in sp2 */
 	sp2 = strchr(sp1, '.');
 	/* If we found it, that's where we'll cut.  Otherwise, look for a
 	   version number and save the position in sp2 */
 	if (sp2 == NULL) sp2 = strchr(sp1, ';');
 	/* If there was still nothing to find, set sp2 to point at the end of
 	   the string */
 	if (sp2 == NULL) sp2 = sp1 + strlen(sp1);

 	/* Check that we won't get buffer overflows */
 	if (sp2 - sp1 > FILENAME_MAX
 		|| (sp1 - filename) + strlen(sp2) > FILENAME_MAX)
 		{
 		DSOerr(DSO_F_VMS_LOAD,DSO_R_FILENAME_TOO_BIG);
 		goto err;
 		}

 	p = (DSO_VMS_INTERNAL *)OPENSSL_malloc(sizeof(DSO_VMS_INTERNAL));
 	if(p == NULL)
 		{
 		DSOerr(DSO_F_VMS_LOAD,ERR_R_MALLOC_FAILURE);
 		goto err;
 		}

 	strncpy(p->filename, sp1, sp2-sp1);
 	p->filename[sp2-sp1] = '\0';

 	strncpy(p->imagename, filename, sp1-filename);
 	p->imagename[sp1-filename] = '\0';
 	strcat(p->imagename, sp2);

 	p->filename_dsc.dsc$w_length = strlen(p->filename);
 	p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 	p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
 	p->filename_dsc.dsc$a_pointer = p->filename;
 	p->imagename_dsc.dsc$w_length = strlen(p->imagename);
 	p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 	p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
 	p->imagename_dsc.dsc$a_pointer = p->imagename;

 	if(!sk_push(dso->meth_data, (char *)p))
 		{
 		DSOerr(DSO_F_VMS_LOAD,DSO_R_STACK_ERROR);
 		goto err;
 		}

 	/* Success (for now, we lie.  We actually do not know...) */
 	dso->loaded_filename = filename;
 	return(1);
 err:
 	/* Cleanup! */
 	if(p != NULL)
 		OPENSSL_free(p);
 	if(filename != NULL)
 		OPENSSL_free(filename);
 	return(0);
 	}

 /* Note that this doesn't actually unload the shared image, as there is no
  * such thing in VMS.  Next time it get loaded again, a new copy will
  * actually be loaded.
  */
 static int vms_unload(DSO *dso)
 	{
 	DSO_VMS_INTERNAL *p;
 	if(dso == NULL)
 		{
 		DSOerr(DSO_F_VMS_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
 		return(0);
 		}
 	if(sk_num(dso->meth_data) < 1)
 		return(1);
 	p = (DSO_VMS_INTERNAL *)sk_pop(dso->meth_data);
 	if(p == NULL)
 		{
 		DSOerr(DSO_F_VMS_UNLOAD,DSO_R_NULL_HANDLE);
 		return(0);
 		}
 	/* Cleanup */
 	OPENSSL_free(p);
 	return(1);
 	}

 /* We must do this in a separate function because of the way the exception
    handler works (it makes this function return */
 static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
 	struct dsc$descriptor_s *symname_dsc, void **sym,
 	unsigned long flags)
 	{
 	/* Make sure that signals are caught and returned instead of
 	   aborting the program.  The exception handler gets unestablished
 	   automatically on return from this function.  */
 	lib$establish(lib$sig_to_ret);

 	if(ptr->imagename_dsc.dsc$w_length)
 		return lib$find_image_symbol(&ptr->filename_dsc,
 			symname_dsc, sym,
 			&ptr->imagename_dsc, flags);
 	else
 		return lib$find_image_symbol(&ptr->filename_dsc,
 			symname_dsc, sym,
 			0, flags);
 	}

 void vms_bind_sym(DSO *dso, const char *symname, void **sym)
 	{
 	DSO_VMS_INTERNAL *ptr;
 	int status;
 #if 0
 	int flags = (1<<4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
                                defined in VMS older than 7.0 or so */
 #else
 	int flags = 0;
 #endif
 	struct dsc$descriptor_s symname_dsc;
 	*sym = NULL;

 	symname_dsc.dsc$w_length = strlen(symname);
 	symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 	symname_dsc.dsc$b_class = DSC$K_CLASS_S;
 	symname_dsc.dsc$a_pointer = (char *)symname; /* The cast is needed */

 	if((dso == NULL) || (symname == NULL))
 		{
 		DSOerr(DSO_F_VMS_BIND_SYM,ERR_R_PASSED_NULL_PARAMETER);
 		return;
 		}
 	if(sk_num(dso->meth_data) < 1)
 		{
 		DSOerr(DSO_F_VMS_BIND_SYM,DSO_R_STACK_ERROR);
 		return;
 		}
 	ptr = (DSO_VMS_INTERNAL *)sk_value(dso->meth_data,
 		sk_num(dso->meth_data) - 1);
 	if(ptr == NULL)
 		{
 		DSOerr(DSO_F_VMS_BIND_SYM,DSO_R_NULL_HANDLE);
 		return;
 		}

 	if(dso->flags & DSO_FLAG_UPCASE_SYMBOL) flags = 0;

 	status = do_find_symbol(ptr, &symname_dsc, sym, flags);

 	if(!$VMS_STATUS_SUCCESS(status))
 		{
 		unsigned short length;
 		char errstring[257];
 		struct dsc$descriptor_s errstring_dsc;

 		errstring_dsc.dsc$w_length = sizeof(errstring);
 		errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 		errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
 		errstring_dsc.dsc$a_pointer = errstring;

 		*sym = NULL;

 		status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);

 		if (!$VMS_STATUS_SUCCESS(status))
 			lib$signal(status); /* This is really bad.  Abort!  */
 		else
 			{
 			errstring[length] = '\0';

 			DSOerr(DSO_F_VMS_BIND_SYM,DSO_R_SYM_FAILURE);
 			if (ptr->imagename_dsc.dsc$w_length)
 				ERR_add_error_data(9,
 					"Symbol ", symname,
 					" in ", ptr->filename,
 					" (", ptr->imagename, ")",
 					": ", errstring);
 			else
 				ERR_add_error_data(6,
 					"Symbol ", symname,
 					" in ", ptr->filename,
 					": ", errstring);
 			}
 		return;
 		}
 	return;
 	}

 static void *vms_bind_var(DSO *dso, const char *symname)
 	{
 	void *sym = 0;
 	vms_bind_sym(dso, symname, &sym);
 	return sym;
 	}

 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
 	{
 	DSO_FUNC_TYPE sym = 0;
 	vms_bind_sym(dso, symname, (void **)&sym);
 	return sym;
 	}

 static char *vms_merger(DSO *dso, const char *filespec1, const char *filespec2)
 	{
 	int status;
 	int filespec1len, filespec2len;
 	struct FAB fab;
 #ifdef NAML$C_MAXRSS
 	struct NAML nam;
 	char esa[NAML$C_MAXRSS];
 #else
 	struct NAM nam;
 	char esa[NAM$C_MAXRSS];
 #endif
 	char *merged;

 	if (!filespec1) filespec1 = "";
 	if (!filespec2) filespec2 = "";
 	filespec1len = strlen(filespec1);
 	filespec2len = strlen(filespec2);

 	fab = cc$rms_fab;
 #ifdef NAML$C_MAXRSS
 	nam = cc$rms_naml;
 #else
 	nam = cc$rms_nam;
 #endif

 	fab.fab$l_fna = (char *)filespec1;
 	fab.fab$b_fns = filespec1len;
 	fab.fab$l_dna = (char *)filespec2;
 	fab.fab$b_dns = filespec2len;
 #ifdef NAML$C_MAXRSS
 	if (filespec1len > NAM$C_MAXRSS)
 		{
 		fab.fab$l_fna = 0;
 		fab.fab$b_fns = 0;
 		nam.naml$l_long_filename = (char *)filespec1;
 		nam.naml$l_long_filename_size = filespec1len;
 		}
 	if (filespec2len > NAM$C_MAXRSS)
 		{
 		fab.fab$l_dna = 0;
 		fab.fab$b_dns = 0;
 		nam.naml$l_long_defname = (char *)filespec2;
 		nam.naml$l_long_defname_size = filespec2len;
 		}
 	nam.naml$l_esa = esa;
 	nam.naml$b_ess = NAM$C_MAXRSS;
 	nam.naml$l_long_expand = esa;
 	nam.naml$l_long_expand_alloc = sizeof(esa);
 	nam.naml$b_nop = NAM$M_SYNCHK | NAM$M_PWD;
 	nam.naml$v_no_short_upcase = 1;
 	fab.fab$l_naml = &nam;
 #else
 	nam.nam$l_esa = esa;
 	nam.nam$b_ess = NAM$C_MAXRSS;
 	nam.nam$b_nop = NAM$M_SYNCHK | NAM$M_PWD;
 	fab.fab$l_nam = &nam;
 #endif

 	status = sys$parse(&fab, 0, 0);

 	if(!$VMS_STATUS_SUCCESS(status))
 		{
 		unsigned short length;
 		char errstring[257];
 		struct dsc$descriptor_s errstring_dsc;

 		errstring_dsc.dsc$w_length = sizeof(errstring);
 		errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 		errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
 		errstring_dsc.dsc$a_pointer = errstring;

 		status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);

 		if (!$VMS_STATUS_SUCCESS(status))
 			lib$signal(status); /* This is really bad.  Abort!  */
 		else
 			{
 			errstring[length] = '\0';

 			DSOerr(DSO_F_VMS_MERGER,DSO_R_FAILURE);
 			ERR_add_error_data(7,
 					   "filespec \"", filespec1, "\", ",
 					   "defaults \"", filespec2, "\": ",
 					   errstring);
 			}
 		return(NULL);
 		}
 #ifdef NAML$C_MAXRSS
 	if (nam.naml$l_long_expand_size)
 		{
 		merged = OPENSSL_malloc(nam.naml$l_long_expand_size + 1);
 		if(!merged)
 			goto malloc_err;
 		strncpy(merged, nam.naml$l_long_expand,
 			nam.naml$l_long_expand_size);
 		merged[nam.naml$l_long_expand_size] = '\0';
 		}
 	else
 		{
 		merged = OPENSSL_malloc(nam.naml$b_esl + 1);
 		if(!merged)
 			goto malloc_err;
 		strncpy(merged, nam.naml$l_esa,
 			nam.naml$b_esl);
 		merged[nam.naml$b_esl] = '\0';
 		}
 #else
 	merged = OPENSSL_malloc(nam.nam$b_esl + 1);
 	if(!merged)
 		goto malloc_err;
 	strncpy(merged, nam.nam$l_esa,
 		nam.nam$b_esl);
 	merged[nam.nam$b_esl] = '\0';
 #endif
 	return(merged);
  malloc_err:
 	DSOerr(DSO_F_VMS_MERGER,
 		ERR_R_MALLOC_FAILURE);
 	}

 static char *vms_name_converter(DSO *dso, const char *filename)
 	{
         int len = strlen(filename);
         char *not_translated = OPENSSL_malloc(len+1);
         strcpy(not_translated,filename);
 	return(not_translated);
 	}

 #endif /* OPENSSL_SYS_VMS */
	/* dso_vms.c -- mode:C; c-file-style: "eay" -- */
	/* 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).
	*
	*/

	#include <stdio.h>
	#include <string.h>
	#include <errno.h>
	#include "cryptlib.h"
	#include <openssl/dso.h>
	#ifdef OPENSSL_SYS_VMS
	#pragma message disable DOLLARID
	#include <rms.h>
	#include <lib$routines.h>
	#include <stsdef.h>
	#include <descrip.h>
	#include <starlet.h>
	#endif

	#ifndef OPENSSL_SYS_VMS
	DSO_METHOD *DSO_METHOD_vms(void)
	{
	return NULL;
	}
	#else
	#pragma message disable DOLLARID

	static int vms_load(DSO *dso);
	static int vms_unload(DSO *dso);
	static void vms_bind_var(DSO dso, const char *symname);
	static DSO_FUNC_TYPE vms_bind_func(DSO dso, const char symname);
	#if 0
	static int vms_unbind_var(DSO dso, char symname, void *symptr);
	static int vms_unbind_func(DSO dso, char symname, DSO_FUNC_TYPE symptr);
	static int vms_init(DSO *dso);
	static int vms_finish(DSO *dso);
	static long vms_ctrl(DSO dso, int cmd, long larg, void parg);
	#endif
	static char vms_name_converter(DSO dso, const char *filename);
	static char vms_merger(DSO dso, const char *filespec1,
	const char *filespec2);

	static DSO_METHOD dso_meth_vms = {
	"OpenSSL 'VMS' shared library method",
	vms_load,
	NULL, /* unload */
	vms_bind_var,
	vms_bind_func,
	/* For now, "unbind" doesn't exist */
	#if 0
	NULL, /* unbind_var */
	NULL, /* unbind_func */
	#endif
	NULL, /* ctrl */
	vms_name_converter,
	vms_merger,
	NULL, /* init */
	NULL /* finish */
	};

	/* On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
	* on the reference to the file name being the same for all calls regarding
	* one shared image, so we'll just store it in an instance of the following
	* structure and put a pointer to that instance in the meth_data stack.
	*/
	typedef struct dso_internal_st
	{
	/* This should contain the name only, no directory,
	* no extension, nothing but a name. */
	struct dsc$descriptor_s filename_dsc;
	char filename[FILENAME_MAX+1];
	/* This contains whatever is not in filename, if needed.
	* Normally not defined. */
	struct dsc$descriptor_s imagename_dsc;
	char imagename[FILENAME_MAX+1];
	} DSO_VMS_INTERNAL;


	DSO_METHOD *DSO_METHOD_vms(void)
	{
	return(&dso_meth_vms);
	}

	static int vms_load(DSO *dso)
	{
	void *ptr = NULL;
	/* See applicable comments in dso_dl.c */
	char *filename = DSO_convert_filename(dso, NULL);
	DSO_VMS_INTERNAL *p;
	const char sp1, sp2; /* Search result */

	if(filename == NULL)
	{
	DSOerr(DSO_F_VMS_LOAD,DSO_R_NO_FILENAME);
	goto err;
	}

	/* A file specification may look like this:
	*
	* node::dev:[dir-spec]name.type;ver
	*
	* or (for compatibility with TOPS-20):
	*
	* node::dev:<dir-spec>name.type;ver
	*
	* and the dir-spec uses '.' as separator. Also, a dir-spec
	* may consist of several parts, with mixed use of [] and <>:
	*
	* [dir1.]<dir2>
	*
	* We need to split the file specification into the name and
	* the rest (both before and after the name itself).
	*/
	/* Start with trying to find the end of a dir-spec, and save the
	position of the byte after in sp1 */
	sp1 = strrchr(filename, ']');
	sp2 = strrchr(filename, '>');
	if (sp1 == NULL) sp1 = sp2;
	if (sp2 != NULL && sp2 > sp1) sp1 = sp2;
	if (sp1 == NULL) sp1 = strrchr(filename, ':');
	if (sp1 == NULL)
	sp1 = filename;
	else
	sp1++; /* The byte after the found character */
	/* Now, let's see if there's a type, and save the position in sp2 */
	sp2 = strchr(sp1, '.');
	/* If we found it, that's where we'll cut. Otherwise, look for a
	version number and save the position in sp2 */
	if (sp2 == NULL) sp2 = strchr(sp1, ';');
	/* If there was still nothing to find, set sp2 to point at the end of
	the string */
	if (sp2 == NULL) sp2 = sp1 + strlen(sp1);

	/* Check that we won't get buffer overflows */
	if (sp2 - sp1 > FILENAME_MAX
	\|\| (sp1 - filename) + strlen(sp2) > FILENAME_MAX)
	{
	DSOerr(DSO_F_VMS_LOAD,DSO_R_FILENAME_TOO_BIG);
	goto err;
	}

	p = (DSO_VMS_INTERNAL *)OPENSSL_malloc(sizeof(DSO_VMS_INTERNAL));
	if(p == NULL)
	{
	DSOerr(DSO_F_VMS_LOAD,ERR_R_MALLOC_FAILURE);
	goto err;
	}

	strncpy(p->filename, sp1, sp2-sp1);
	p->filename[sp2-sp1] = '\0';

	strncpy(p->imagename, filename, sp1-filename);
	p->imagename[sp1-filename] = '\0';
	strcat(p->imagename, sp2);

	p->filename_dsc.dsc$w_length = strlen(p->filename);
	p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
	p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
	p->filename_dsc.dsc$a_pointer = p->filename;
	p->imagename_dsc.dsc$w_length = strlen(p->imagename);
	p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
	p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
	p->imagename_dsc.dsc$a_pointer = p->imagename;

	if(!sk_push(dso->meth_data, (char *)p))
	{
	DSOerr(DSO_F_VMS_LOAD,DSO_R_STACK_ERROR);
	goto err;
	}

	/* Success (for now, we lie. We actually do not know...) */
	dso->loaded_filename = filename;
	return(1);
	err:
	/* Cleanup! */
	if(p != NULL)
	OPENSSL_free(p);
	if(filename != NULL)
	OPENSSL_free(filename);
	return(0);
	}

	/* Note that this doesn't actually unload the shared image, as there is no
	* such thing in VMS. Next time it get loaded again, a new copy will
	* actually be loaded.
	*/
	static int vms_unload(DSO *dso)
	{
	DSO_VMS_INTERNAL *p;
	if(dso == NULL)
	{
	DSOerr(DSO_F_VMS_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
	return(0);
	}
	if(sk_num(dso->meth_data) < 1)
	return(1);
	p = (DSO_VMS_INTERNAL *)sk_pop(dso->meth_data);
	if(p == NULL)
	{
	DSOerr(DSO_F_VMS_UNLOAD,DSO_R_NULL_HANDLE);
	return(0);
	}
	/* Cleanup */
	OPENSSL_free(p);
	return(1);
	}

	/* We must do this in a separate function because of the way the exception
	handler works (it makes this function return */
	static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
	struct dsc$descriptor_s symname_dsc, void *sym,
	unsigned long flags)
	{
	/* Make sure that signals are caught and returned instead of
	aborting the program. The exception handler gets unestablished
	automatically on return from this function. */
	lib$establish(lib$sig_to_ret);

	if(ptr->imagename_dsc.dsc$w_length)
	return lib$find_image_symbol(&ptr->filename_dsc,
	symname_dsc, sym,
	&ptr->imagename_dsc, flags);
	else
	return lib$find_image_symbol(&ptr->filename_dsc,
	symname_dsc, sym,
	0, flags);
	}

	void vms_bind_sym(DSO dso, const char symname, void **sym)
	{
	DSO_VMS_INTERNAL *ptr;
	int status;
	#if 0
	int flags = (1<<4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
	defined in VMS older than 7.0 or so */
	#else
	int flags = 0;
	#endif
	struct dsc$descriptor_s symname_dsc;
	*sym = NULL;

	symname_dsc.dsc$w_length = strlen(symname);
	symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
	symname_dsc.dsc$b_class = DSC$K_CLASS_S;
	symname_dsc.dsc$a_pointer = (char )symname; / The cast is needed */

	if((dso == NULL) \|\| (symname == NULL))
	{
	DSOerr(DSO_F_VMS_BIND_SYM,ERR_R_PASSED_NULL_PARAMETER);
	return;
	}
	if(sk_num(dso->meth_data) < 1)
	{
	DSOerr(DSO_F_VMS_BIND_SYM,DSO_R_STACK_ERROR);
	return;
	}
	ptr = (DSO_VMS_INTERNAL *)sk_value(dso->meth_data,
	sk_num(dso->meth_data) - 1);
	if(ptr == NULL)
	{
	DSOerr(DSO_F_VMS_BIND_SYM,DSO_R_NULL_HANDLE);
	return;
	}

	if(dso->flags & DSO_FLAG_UPCASE_SYMBOL) flags = 0;

	status = do_find_symbol(ptr, &symname_dsc, sym, flags);

	if(!$VMS_STATUS_SUCCESS(status))
	{
	unsigned short length;
	char errstring[257];
	struct dsc$descriptor_s errstring_dsc;

	errstring_dsc.dsc$w_length = sizeof(errstring);
	errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
	errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
	errstring_dsc.dsc$a_pointer = errstring;

	*sym = NULL;

	status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);

	if (!$VMS_STATUS_SUCCESS(status))
	lib$signal(status); /* This is really bad. Abort! */
	else
	{
	errstring[length] = '\0';

	DSOerr(DSO_F_VMS_BIND_SYM,DSO_R_SYM_FAILURE);
	if (ptr->imagename_dsc.dsc$w_length)
	ERR_add_error_data(9,
	"Symbol ", symname,
	" in ", ptr->filename,
	" (", ptr->imagename, ")",
	": ", errstring);
	else
	ERR_add_error_data(6,
	"Symbol ", symname,
	" in ", ptr->filename,
	": ", errstring);
	}
	return;
	}
	return;
	}

	static void vms_bind_var(DSO dso, const char *symname)
	{
	void *sym = 0;
	vms_bind_sym(dso, symname, &sym);
	return sym;
	}

	static DSO_FUNC_TYPE vms_bind_func(DSO dso, const char symname)
	{
	DSO_FUNC_TYPE sym = 0;
	vms_bind_sym(dso, symname, (void **)&sym);
	return sym;
	}

	static char vms_merger(DSO dso, const char filespec1, const char filespec2)
	{
	int status;
	int filespec1len, filespec2len;
	struct FAB fab;
	#ifdef NAML$C_MAXRSS
	struct NAML nam;
	char esa[NAML$C_MAXRSS];
	#else
	struct NAM nam;
	char esa[NAM$C_MAXRSS];
	#endif
	char *merged;

	if (!filespec1) filespec1 = "";
	if (!filespec2) filespec2 = "";
	filespec1len = strlen(filespec1);
	filespec2len = strlen(filespec2);

	fab = cc$rms_fab;
	#ifdef NAML$C_MAXRSS
	nam = cc$rms_naml;
	#else
	nam = cc$rms_nam;
	#endif

	fab.fab$l_fna = (char *)filespec1;
	fab.fab$b_fns = filespec1len;
	fab.fab$l_dna = (char *)filespec2;
	fab.fab$b_dns = filespec2len;
	#ifdef NAML$C_MAXRSS
	if (filespec1len > NAM$C_MAXRSS)
	{
	fab.fab$l_fna = 0;
	fab.fab$b_fns = 0;
	nam.naml$l_long_filename = (char *)filespec1;
	nam.naml$l_long_filename_size = filespec1len;
	}
	if (filespec2len > NAM$C_MAXRSS)
	{
	fab.fab$l_dna = 0;
	fab.fab$b_dns = 0;
	nam.naml$l_long_defname = (char *)filespec2;
	nam.naml$l_long_defname_size = filespec2len;
	}
	nam.naml$l_esa = esa;
	nam.naml$b_ess = NAM$C_MAXRSS;
	nam.naml$l_long_expand = esa;
	nam.naml$l_long_expand_alloc = sizeof(esa);
	nam.naml$b_nop = NAM$M_SYNCHK \| NAM$M_PWD;
	nam.naml$v_no_short_upcase = 1;
	fab.fab$l_naml = &nam;
	#else
	nam.nam$l_esa = esa;
	nam.nam$b_ess = NAM$C_MAXRSS;
	nam.nam$b_nop = NAM$M_SYNCHK \| NAM$M_PWD;
	fab.fab$l_nam = &nam;
	#endif

	status = sys$parse(&fab, 0, 0);

	if(!$VMS_STATUS_SUCCESS(status))
	{
	unsigned short length;
	char errstring[257];
	struct dsc$descriptor_s errstring_dsc;

	errstring_dsc.dsc$w_length = sizeof(errstring);
	errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
	errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
	errstring_dsc.dsc$a_pointer = errstring;

	status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);

	if (!$VMS_STATUS_SUCCESS(status))
	lib$signal(status); /* This is really bad. Abort! */
	else
	{
	errstring[length] = '\0';

	DSOerr(DSO_F_VMS_MERGER,DSO_R_FAILURE);
	ERR_add_error_data(7,
	"filespec \"", filespec1, "\", ",
	"defaults \"", filespec2, "\": ",
	errstring);
	}
	return(NULL);
	}
	#ifdef NAML$C_MAXRSS
	if (nam.naml$l_long_expand_size)
	{
	merged = OPENSSL_malloc(nam.naml$l_long_expand_size + 1);
	if(!merged)
	goto malloc_err;
	strncpy(merged, nam.naml$l_long_expand,
	nam.naml$l_long_expand_size);
	merged[nam.naml$l_long_expand_size] = '\0';
	}
	else
	{
	merged = OPENSSL_malloc(nam.naml$b_esl + 1);
	if(!merged)
	goto malloc_err;
	strncpy(merged, nam.naml$l_esa,
	nam.naml$b_esl);
	merged[nam.naml$b_esl] = '\0';
	}
	#else
	merged = OPENSSL_malloc(nam.nam$b_esl + 1);
	if(!merged)
	goto malloc_err;
	strncpy(merged, nam.nam$l_esa,
	nam.nam$b_esl);
	merged[nam.nam$b_esl] = '\0';
	#endif
	return(merged);
	malloc_err:
	DSOerr(DSO_F_VMS_MERGER,
	ERR_R_MALLOC_FAILURE);
	}

	static char vms_name_converter(DSO dso, const char *filename)
	{
	int len = strlen(filename);
	char *not_translated = OPENSSL_malloc(len+1);
	strcpy(not_translated,filename);
	return(not_translated);
	}

	#endif /* OPENSSL_SYS_VMS */