548 lines
17 KiB
C
548 lines
17 KiB
C
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/* dso_vms.c */
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/*
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* Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
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* 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "cryptlib.h"
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#include <openssl/dso.h>
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#ifndef OPENSSL_SYS_VMS
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DSO_METHOD *DSO_METHOD_vms(void)
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{
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return NULL;
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}
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#else
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# pragma message disable DOLLARID
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# include <rms.h>
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# include <lib$routines.h>
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# include <stsdef.h>
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# include <descrip.h>
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# include <starlet.h>
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# include "vms_rms.h"
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/* Some compiler options may mask the declaration of "_malloc32". */
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# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
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# if __INITIAL_POINTER_SIZE == 64
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# pragma pointer_size save
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# pragma pointer_size 32
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void *_malloc32(__size_t);
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# pragma pointer_size restore
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# endif /* __INITIAL_POINTER_SIZE == 64 */
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# endif /* __INITIAL_POINTER_SIZE && defined
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* _ANSI_C_SOURCE */
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# pragma message disable DOLLARID
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static int vms_load(DSO *dso);
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static int vms_unload(DSO *dso);
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static void *vms_bind_var(DSO *dso, const char *symname);
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static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
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# if 0
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static int vms_unbind_var(DSO *dso, char *symname, void *symptr);
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static int vms_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
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static int vms_init(DSO *dso);
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static int vms_finish(DSO *dso);
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static long vms_ctrl(DSO *dso, int cmd, long larg, void *parg);
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# endif
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static char *vms_name_converter(DSO *dso, const char *filename);
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static char *vms_merger(DSO *dso, const char *filespec1,
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const char *filespec2);
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static DSO_METHOD dso_meth_vms = {
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"OpenSSL 'VMS' shared library method",
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vms_load,
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NULL, /* unload */
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vms_bind_var,
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vms_bind_func,
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/* For now, "unbind" doesn't exist */
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# if 0
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NULL, /* unbind_var */
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NULL, /* unbind_func */
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# endif
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NULL, /* ctrl */
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vms_name_converter,
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vms_merger,
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NULL, /* init */
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NULL /* finish */
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};
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/*
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* On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
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* on the reference to the file name being the same for all calls regarding
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* one shared image, so we'll just store it in an instance of the following
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* structure and put a pointer to that instance in the meth_data stack.
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*/
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typedef struct dso_internal_st {
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/*
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* This should contain the name only, no directory, no extension, nothing
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* but a name.
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*/
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struct dsc$descriptor_s filename_dsc;
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char filename[NAMX_MAXRSS + 1];
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/*
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* This contains whatever is not in filename, if needed. Normally not
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* defined.
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*/
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struct dsc$descriptor_s imagename_dsc;
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char imagename[NAMX_MAXRSS + 1];
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} DSO_VMS_INTERNAL;
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DSO_METHOD *DSO_METHOD_vms(void)
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{
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return (&dso_meth_vms);
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}
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static int vms_load(DSO *dso)
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{
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void *ptr = NULL;
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/* See applicable comments in dso_dl.c */
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char *filename = DSO_convert_filename(dso, NULL);
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/* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
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# if __INITIAL_POINTER_SIZE == 64
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# define DSO_MALLOC _malloc32
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# pragma pointer_size save
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# pragma pointer_size 32
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# else /* __INITIAL_POINTER_SIZE == 64 */
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# define DSO_MALLOC OPENSSL_malloc
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# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
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DSO_VMS_INTERNAL *p = NULL;
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# if __INITIAL_POINTER_SIZE == 64
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# pragma pointer_size restore
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# endif /* __INITIAL_POINTER_SIZE == 64 */
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const char *sp1, *sp2; /* Search result */
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const char *ext = NULL; /* possible extension to add */
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if (filename == NULL) {
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DSOerr(DSO_F_VMS_LOAD, DSO_R_NO_FILENAME);
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goto err;
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}
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/*-
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* A file specification may look like this:
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*
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* node::dev:[dir-spec]name.type;ver
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*
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* or (for compatibility with TOPS-20):
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*
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* node::dev:<dir-spec>name.type;ver
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*
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* and the dir-spec uses '.' as separator. Also, a dir-spec
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* may consist of several parts, with mixed use of [] and <>:
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*
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* [dir1.]<dir2>
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*
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* We need to split the file specification into the name and
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* the rest (both before and after the name itself).
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*/
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/*
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* Start with trying to find the end of a dir-spec, and save the position
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* of the byte after in sp1
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*/
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sp1 = strrchr(filename, ']');
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sp2 = strrchr(filename, '>');
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if (sp1 == NULL)
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sp1 = sp2;
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if (sp2 != NULL && sp2 > sp1)
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sp1 = sp2;
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if (sp1 == NULL)
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sp1 = strrchr(filename, ':');
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if (sp1 == NULL)
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sp1 = filename;
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else
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sp1++; /* The byte after the found character */
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/* Now, let's see if there's a type, and save the position in sp2 */
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sp2 = strchr(sp1, '.');
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/*
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* If there is a period and the next character is a semi-colon,
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* we need to add an extension
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*/
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if (sp2 != NULL && sp2[1] == ';')
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ext = ".EXE";
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/*
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* If we found it, that's where we'll cut. Otherwise, look for a version
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* number and save the position in sp2
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*/
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if (sp2 == NULL) {
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sp2 = strchr(sp1, ';');
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ext = ".EXE";
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}
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/*
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* If there was still nothing to find, set sp2 to point at the end of the
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* string
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*/
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if (sp2 == NULL)
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sp2 = sp1 + strlen(sp1);
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/* Check that we won't get buffer overflows */
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if (sp2 - sp1 > FILENAME_MAX
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|| (sp1 - filename) + strlen(sp2) > FILENAME_MAX) {
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DSOerr(DSO_F_VMS_LOAD, DSO_R_FILENAME_TOO_BIG);
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goto err;
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}
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p = DSO_MALLOC(sizeof(DSO_VMS_INTERNAL));
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if (p == NULL) {
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DSOerr(DSO_F_VMS_LOAD, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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strncpy(p->filename, sp1, sp2 - sp1);
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p->filename[sp2 - sp1] = '\0';
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strncpy(p->imagename, filename, sp1 - filename);
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p->imagename[sp1 - filename] = '\0';
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if (ext) {
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strcat(p->imagename, ext);
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if (*sp2 == '.')
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sp2++;
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}
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strcat(p->imagename, sp2);
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p->filename_dsc.dsc$w_length = strlen(p->filename);
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p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
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p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
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p->filename_dsc.dsc$a_pointer = p->filename;
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p->imagename_dsc.dsc$w_length = strlen(p->imagename);
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p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
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p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
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p->imagename_dsc.dsc$a_pointer = p->imagename;
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if (!sk_void_push(dso->meth_data, (char *)p)) {
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DSOerr(DSO_F_VMS_LOAD, DSO_R_STACK_ERROR);
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goto err;
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}
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/* Success (for now, we lie. We actually do not know...) */
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dso->loaded_filename = filename;
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return (1);
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err:
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/* Cleanup! */
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if (p != NULL)
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OPENSSL_free(p);
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if (filename != NULL)
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OPENSSL_free(filename);
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return (0);
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}
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/*
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* Note that this doesn't actually unload the shared image, as there is no
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* such thing in VMS. Next time it get loaded again, a new copy will
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* actually be loaded.
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*/
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static int vms_unload(DSO *dso)
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{
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DSO_VMS_INTERNAL *p;
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if (dso == NULL) {
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DSOerr(DSO_F_VMS_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
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return (0);
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}
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if (sk_void_num(dso->meth_data) < 1)
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return (1);
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p = (DSO_VMS_INTERNAL *)sk_void_pop(dso->meth_data);
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if (p == NULL) {
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DSOerr(DSO_F_VMS_UNLOAD, DSO_R_NULL_HANDLE);
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return (0);
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}
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/* Cleanup */
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OPENSSL_free(p);
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return (1);
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}
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/*
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* We must do this in a separate function because of the way the exception
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* handler works (it makes this function return
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*/
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static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
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struct dsc$descriptor_s *symname_dsc, void **sym,
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unsigned long flags)
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{
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/*
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* Make sure that signals are caught and returned instead of aborting the
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* program. The exception handler gets unestablished automatically on
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* return from this function.
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*/
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lib$establish(lib$sig_to_ret);
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if (ptr->imagename_dsc.dsc$w_length)
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return lib$find_image_symbol(&ptr->filename_dsc,
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symname_dsc, sym,
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&ptr->imagename_dsc, flags);
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else
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return lib$find_image_symbol(&ptr->filename_dsc,
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symname_dsc, sym, 0, flags);
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}
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void vms_bind_sym(DSO *dso, const char *symname, void **sym)
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{
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DSO_VMS_INTERNAL *ptr;
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int status;
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# if 0
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int flags = (1 << 4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
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* defined in VMS older than 7.0 or so */
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# else
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int flags = 0;
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# endif
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struct dsc$descriptor_s symname_dsc;
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/* Arrange 32-bit pointer to (copied) string storage, if needed. */
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# if __INITIAL_POINTER_SIZE == 64
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# define SYMNAME symname_32p
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# pragma pointer_size save
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# pragma pointer_size 32
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char *symname_32p;
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# pragma pointer_size restore
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char symname_32[NAMX_MAXRSS + 1];
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# else /* __INITIAL_POINTER_SIZE == 64 */
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# define SYMNAME ((char *) symname)
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# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
||
|
|
|
||
|
|
*sym = NULL;
|
||
|
|
|
||
|
|
if ((dso == NULL) || (symname == NULL)) {
|
||
|
|
DSOerr(DSO_F_VMS_BIND_SYM, ERR_R_PASSED_NULL_PARAMETER);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
# if __INITIAL_POINTER_SIZE == 64
|
||
|
|
/* Copy the symbol name to storage with a 32-bit pointer. */
|
||
|
|
symname_32p = symname_32;
|
||
|
|
strcpy(symname_32p, symname);
|
||
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
||
|
|
|
||
|
|
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 = SYMNAME;
|
||
|
|
|
||
|
|
if (sk_void_num(dso->meth_data) < 1) {
|
||
|
|
DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_STACK_ERROR);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data,
|
||
|
|
sk_void_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;
|
||
|
|
struct NAMX_STRUCT nam;
|
||
|
|
char esa[NAMX_MAXRSS + 1];
|
||
|
|
char *merged;
|
||
|
|
|
||
|
|
/* Arrange 32-bit pointer to (copied) string storage, if needed. */
|
||
|
|
# if __INITIAL_POINTER_SIZE == 64
|
||
|
|
# define FILESPEC1 filespec1_32p;
|
||
|
|
# define FILESPEC2 filespec2_32p;
|
||
|
|
# pragma pointer_size save
|
||
|
|
# pragma pointer_size 32
|
||
|
|
char *filespec1_32p;
|
||
|
|
char *filespec2_32p;
|
||
|
|
# pragma pointer_size restore
|
||
|
|
char filespec1_32[NAMX_MAXRSS + 1];
|
||
|
|
char filespec2_32[NAMX_MAXRSS + 1];
|
||
|
|
# else /* __INITIAL_POINTER_SIZE == 64 */
|
||
|
|
# define FILESPEC1 ((char *) filespec1)
|
||
|
|
# define FILESPEC2 ((char *) filespec2)
|
||
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
||
|
|
|
||
|
|
if (!filespec1)
|
||
|
|
filespec1 = "";
|
||
|
|
if (!filespec2)
|
||
|
|
filespec2 = "";
|
||
|
|
filespec1len = strlen(filespec1);
|
||
|
|
filespec2len = strlen(filespec2);
|
||
|
|
|
||
|
|
# if __INITIAL_POINTER_SIZE == 64
|
||
|
|
/* Copy the file names to storage with a 32-bit pointer. */
|
||
|
|
filespec1_32p = filespec1_32;
|
||
|
|
filespec2_32p = filespec2_32;
|
||
|
|
strcpy(filespec1_32p, filespec1);
|
||
|
|
strcpy(filespec2_32p, filespec2);
|
||
|
|
# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
|
||
|
|
|
||
|
|
fab = cc$rms_fab;
|
||
|
|
nam = CC_RMS_NAMX;
|
||
|
|
|
||
|
|
FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNA = FILESPEC1;
|
||
|
|
FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNS = filespec1len;
|
||
|
|
FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNA = FILESPEC2;
|
||
|
|
FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNS = filespec2len;
|
||
|
|
NAMX_DNA_FNA_SET(fab)
|
||
|
|
|
||
|
|
nam.NAMX_ESA = esa;
|
||
|
|
nam.NAMX_ESS = NAMX_MAXRSS;
|
||
|
|
nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD;
|
||
|
|
SET_NAMX_NO_SHORT_UPCASE(nam);
|
||
|
|
|
||
|
|
fab.FAB_NAMX = &nam;
|
||
|
|
|
||
|
|
status = sys$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);
|
||
|
|
}
|
||
|
|
|
||
|
|
merged = OPENSSL_malloc(nam.NAMX_ESL + 1);
|
||
|
|
if (!merged)
|
||
|
|
goto malloc_err;
|
||
|
|
strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL);
|
||
|
|
merged[nam.NAMX_ESL] = '\0';
|
||
|
|
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);
|
||
|
|
if (not_translated)
|
||
|
|
strcpy(not_translated, filename);
|
||
|
|
return (not_translated);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* OPENSSL_SYS_VMS */
|