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A DSO method for VMS was missing, and I had the code lying around...

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This commit is contained in:
Richard Levitte 2000-09-15 21:22:50 +00:00
parent 095aadc43f
commit 0e05f54516
6 changed files with 382 additions and 2 deletions
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3
CHANGES
View File

@ -4,6 +4,9 @@
Changes between 0.9.5a and 0.9.6 [xx XXX 2000]
*) Add DSO method for VMS.
[Richard Levitte]
*) Bug fix: Montgomery multiplication could produce results with the
wrong sign.
[Ulf Möller]

4
crypto/crypto-lib.com
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@ -204,7 +204,7 @@ $ LIB_RSA = "rsa_eay,rsa_gen,rsa_lib,rsa_sign,rsa_saos,rsa_err,"+ -
"rsa_pk1,rsa_ssl,rsa_none,rsa_oaep,rsa_chk,rsa_null"
$ LIB_DSA = "dsa_gen,dsa_key,dsa_lib,dsa_asn1,dsa_vrf,dsa_sign,dsa_err,dsa_ossl"
$ LIB_DH = "dh_gen,dh_key,dh_lib,dh_check,dh_err"
$ LIB_DSO = "dso_err,dso_lib,dso_null,dso_openssl" ! + ",dso_vms"
$ LIB_DSO = "dso_err,dso_lib,dso_null,dso_openssl,dso_vms"
$ LIB_BUFFER = "buffer,buf_err"
$ LIB_BIO = "bio_lib,bio_cb,bio_err,"+ -
"bss_mem,bss_null,bss_fd,"+ -
@ -1136,7 +1136,7 @@ $ ENDIF
$!
$! Set Up Initial CC Definitions, Possibly With User Ones
$!
$ CCDEFS = "VMS=1,TCPIP_TYPE_''P5'"
$ CCDEFS = "VMS=1,TCPIP_TYPE_''P5',DSO_VMS"
$ IF F$TRNLNM("OPENSSL_NO_ASM") THEN CCDEFS = CCDEFS + ",NO_ASM"
$ IF F$TRNLNM("OPENSSL_NO_RSA") THEN CCDEFS = CCDEFS + ",NO_RSA"
$ IF F$TRNLNM("OPENSSL_NO_DSA") THEN CCDEFS = CCDEFS + ",NO_DSA"

8
crypto/dso/dso.h
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@ -191,6 +191,9 @@ 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 */
@ -218,6 +221,10 @@ void ERR_load_DSO_strings(void);
#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
@ -226,6 +233,7 @@ void ERR_load_DSO_strings(void);
/* 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

5
crypto/dso/dso_err.c
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@ -83,6 +83,10 @@ static ERR_STRING_DATA DSO_str_functs[]=
{ERR_PACK(0,DSO_F_DSO_LOAD,0), "DSO_load"},
{ERR_PACK(0,DSO_F_DSO_NEW_METHOD,0), "DSO_new_method"},
{ERR_PACK(0,DSO_F_DSO_UP,0), "DSO_up"},
{ERR_PACK(0,DSO_F_VMS_BIND_VAR,0), "VMS_BIND_VAR"},
{ERR_PACK(0,DSO_F_VMS_CTRL,0), "VMS_CTRL"},
{ERR_PACK(0,DSO_F_VMS_LOAD,0), "VMS_LOAD"},
{ERR_PACK(0,DSO_F_VMS_UNLOAD,0), "VMS_UNLOAD"},
{ERR_PACK(0,DSO_F_WIN32_BIND_FUNC,0), "WIN32_BIND_FUNC"},
{ERR_PACK(0,DSO_F_WIN32_BIND_VAR,0), "WIN32_BIND_VAR"},
{ERR_PACK(0,DSO_F_WIN32_CTRL,0), "WIN32_CTRL"},
@ -94,6 +98,7 @@ static ERR_STRING_DATA DSO_str_functs[]=
static ERR_STRING_DATA DSO_str_reasons[]=
{
{DSO_R_CTRL_FAILED ,"control command failed"},
{DSO_R_FILENAME_TOO_BIG ,"filename too big"},
{DSO_R_FINISH_FAILED ,"cleanup method function failed"},
{DSO_R_LOAD_FAILED ,"could not load the shared library"},
{DSO_R_NULL_HANDLE ,"a null shared library handle was used"},

2
crypto/dso/dso_openssl.c
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@ -72,6 +72,8 @@ DSO_METHOD *DSO_METHOD_openssl(void)
return(DSO_METHOD_dl());
#elif defined(DSO_WIN32)
return(DSO_METHOD_win32());
#elif defined(DSO_VMS)
return(DSO_METHOD_vms());
#else
return(DSO_METHOD_null());
#endif

362
crypto/dso/dso_vms.c Normal file
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@ -0,0 +1,362 @@
/* dso_vms.c */
/* 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 <lib$routines.h>
#include <libfisdef.h>
#include <stsdef.h>
#include <descrip.h>
#include <starlet.h>
#include "cryptlib.h"
#include <openssl/dso.h>
#ifndef VMS
DSO_METHOD *DSO_METHOD_vms(void)
{
return NULL;
}
#else
#pragma message disable DOLLARID
static int vms_load(DSO *dso, const char *filename);
static int vms_unload(DSO *dso);
static void *vms_bind_var(DSO *dso, const char *symname);
static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
#if 0
static int vms_unbind_var(DSO *dso, char *symname, void *symptr);
static int vms_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
static int vms_init(DSO *dso);
static int vms_finish(DSO *dso);
#endif
static long vms_ctrl(DSO *dso, int cmd, long larg, void *parg);
static DSO_METHOD dso_meth_vms = {
"OpenSSL 'VMS' shared library method",
vms_load,
NULL, /* unload */
vms_bind_var,
vms_bind_func,
/* For now, "unbind" doesn't exist */
#if 0
NULL, /* unbind_var */
NULL, /* unbind_func */
#endif
vms_ctrl,
NULL, /* init */
NULL /* finish */
};
/* On VMS, the only "handle" is the file name. LIB$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, const char *filename)
{
DSO_VMS_INTERNAL *p;
const char *sp1, *sp2; /* Search result */
/* 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);
return(0);
}
p = (DSO_VMS_INTERNAL *)OPENSSL_malloc(sizeof(DSO_VMS_INTERNAL));
if(p == NULL)
{
DSOerr(DSO_F_VMS_LOAD,ERR_R_MALLOC_FAILURE);
return(0);
}
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);
OPENSSL_free(p);
return(0);
}
return(1);
}
/* 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);
}
static void *vms_bind_sym(DSO *dso, const char *symname)
{
DSO_VMS_INTERNAL *ptr;
void *sym = 0;
int status;
int flags = LIB$M_FIS_MIXEDCASE;
struct dsc$descriptor_s symname_dsc;
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_VAR,ERR_R_PASSED_NULL_PARAMETER);
return(NULL);
}
if(sk_num(dso->meth_data) < 1)
{
DSOerr(DSO_F_VMS_BIND_VAR,DSO_R_STACK_ERROR);
return(NULL);
}
ptr = (DSO_VMS_INTERNAL *)sk_value(dso->meth_data,
sk_num(dso->meth_data) - 1);
if(ptr == NULL)
{
DSOerr(DSO_F_VMS_BIND_VAR,DSO_R_NULL_HANDLE);
return(NULL);
}
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;
status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
if (!$VMS_STATUS_SUCCESS(status))
lib$signal(status); /* This is really bad. Abort! */
else
{
errstring[length] = '\0';
DSOerr(DSO_F_VMS_BIND_VAR,DSO_R_SYM_FAILURE);
if (ptr->imagename_dsc.dsc$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(NULL);
}
return(sym);
}
static void *vms_bind_var(DSO *dso, const char *symname)
{
return vms_bind_sym(dso, symname);
}
static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
{
return (DSO_FUNC_TYPE)vms_bind_sym(dso, symname);
}
static long vms_ctrl(DSO *dso, int cmd, long larg, void *parg)
{
if(dso == NULL)
{
DSOerr(DSO_F_VMS_CTRL,ERR_R_PASSED_NULL_PARAMETER);
return(-1);
}
switch(cmd)
{
case DSO_CTRL_GET_FLAGS:
return dso->flags;
case DSO_CTRL_SET_FLAGS:
dso->flags = (int)larg;
return(0);
case DSO_CTRL_OR_FLAGS:
dso->flags |= (int)larg;
return(0);
default:
break;
}
DSOerr(DSO_F_VMS_CTRL,DSO_R_UNKNOWN_COMMAND);
return(-1);
}
#endif /* VMS */