1 /* dso_vms.c -*- mode:C; c-file-style: "eay" -*- */
3 * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
64 #include <openssl/dso.h>
66 #ifndef OPENSSL_SYS_VMS
67 DSO_METHOD
*DSO_METHOD_vms(void)
73 # pragma message disable DOLLARID
75 # include <lib$routines.h>
81 /* Some compiler options may mask the declaration of "_malloc32". */
82 # if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
83 # if __INITIAL_POINTER_SIZE == 64
84 # pragma pointer_size save
85 # pragma pointer_size 32
86 void *_malloc32(__size_t
);
87 # pragma pointer_size restore
88 # endif /* __INITIAL_POINTER_SIZE == 64 */
89 # endif /* __INITIAL_POINTER_SIZE && defined
92 # pragma message disable DOLLARID
94 static int vms_load(DSO
*dso
);
95 static int vms_unload(DSO
*dso
);
96 static void *vms_bind_var(DSO
*dso
, const char *symname
);
97 static DSO_FUNC_TYPE
vms_bind_func(DSO
*dso
, const char *symname
);
99 static int vms_unbind_var(DSO
*dso
, char *symname
, void *symptr
);
100 static int vms_unbind_func(DSO
*dso
, char *symname
, DSO_FUNC_TYPE symptr
);
101 static int vms_init(DSO
*dso
);
102 static int vms_finish(DSO
*dso
);
103 static long vms_ctrl(DSO
*dso
, int cmd
, long larg
, void *parg
);
105 static char *vms_name_converter(DSO
*dso
, const char *filename
);
106 static char *vms_merger(DSO
*dso
, const char *filespec1
,
107 const char *filespec2
);
109 static DSO_METHOD dso_meth_vms
= {
110 "OpenSSL 'VMS' shared library method",
115 /* For now, "unbind" doesn't exist */
117 NULL
, /* unbind_var */
118 NULL
, /* unbind_func */
128 * On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
129 * on the reference to the file name being the same for all calls regarding
130 * one shared image, so we'll just store it in an instance of the following
131 * structure and put a pointer to that instance in the meth_data stack.
133 typedef struct dso_internal_st
{
135 * This should contain the name only, no directory, no extension, nothing
138 struct dsc$descriptor_s filename_dsc
;
139 char filename
[NAMX_MAXRSS
+ 1];
141 * This contains whatever is not in filename, if needed. Normally not
144 struct dsc$descriptor_s imagename_dsc
;
145 char imagename
[NAMX_MAXRSS
+ 1];
148 DSO_METHOD
*DSO_METHOD_vms(void)
150 return (&dso_meth_vms
);
153 static int vms_load(DSO
*dso
)
156 /* See applicable comments in dso_dl.c */
157 char *filename
= DSO_convert_filename(dso
, NULL
);
159 /* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
160 # if __INITIAL_POINTER_SIZE == 64
161 # define DSO_MALLOC _malloc32
162 # pragma pointer_size save
163 # pragma pointer_size 32
164 # else /* __INITIAL_POINTER_SIZE == 64 */
165 # define DSO_MALLOC OPENSSL_malloc
166 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
168 DSO_VMS_INTERNAL
*p
= NULL
;
170 # if __INITIAL_POINTER_SIZE == 64
171 # pragma pointer_size restore
172 # endif /* __INITIAL_POINTER_SIZE == 64 */
174 const char *sp1
, *sp2
; /* Search result */
175 const char *ext
= NULL
; /* possible extension to add */
177 if (filename
== NULL
) {
178 DSOerr(DSO_F_VMS_LOAD
, DSO_R_NO_FILENAME
);
183 * A file specification may look like this:
185 * node::dev:[dir-spec]name.type;ver
187 * or (for compatibility with TOPS-20):
189 * node::dev:<dir-spec>name.type;ver
191 * and the dir-spec uses '.' as separator. Also, a dir-spec
192 * may consist of several parts, with mixed use of [] and <>:
196 * We need to split the file specification into the name and
197 * the rest (both before and after the name itself).
200 * Start with trying to find the end of a dir-spec, and save the position
201 * of the byte after in sp1
203 sp1
= strrchr(filename
, ']');
204 sp2
= strrchr(filename
, '>');
207 if (sp2
!= NULL
&& sp2
> sp1
)
210 sp1
= strrchr(filename
, ':');
214 sp1
++; /* The byte after the found character */
215 /* Now, let's see if there's a type, and save the position in sp2 */
216 sp2
= strchr(sp1
, '.');
218 * If there is a period and the next character is a semi-colon,
219 * we need to add an extension
221 if (sp2
!= NULL
&& sp2
[1] == ';')
224 * If we found it, that's where we'll cut. Otherwise, look for a version
225 * number and save the position in sp2
228 sp2
= strchr(sp1
, ';');
232 * If there was still nothing to find, set sp2 to point at the end of the
236 sp2
= sp1
+ strlen(sp1
);
238 /* Check that we won't get buffer overflows */
239 if (sp2
- sp1
> FILENAME_MAX
240 || (sp1
- filename
) + strlen(sp2
) > FILENAME_MAX
) {
241 DSOerr(DSO_F_VMS_LOAD
, DSO_R_FILENAME_TOO_BIG
);
245 p
= DSO_MALLOC(sizeof(DSO_VMS_INTERNAL
));
247 DSOerr(DSO_F_VMS_LOAD
, ERR_R_MALLOC_FAILURE
);
251 strncpy(p
->filename
, sp1
, sp2
- sp1
);
252 p
->filename
[sp2
- sp1
] = '\0';
254 strncpy(p
->imagename
, filename
, sp1
- filename
);
255 p
->imagename
[sp1
- filename
] = '\0';
257 strcat(p
->imagename
, ext
);
261 strcat(p
->imagename
, sp2
);
263 p
->filename_dsc
.dsc$w_length
= strlen(p
->filename
);
264 p
->filename_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
265 p
->filename_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
266 p
->filename_dsc
.dsc$a_pointer
= p
->filename
;
267 p
->imagename_dsc
.dsc$w_length
= strlen(p
->imagename
);
268 p
->imagename_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
269 p
->imagename_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
270 p
->imagename_dsc
.dsc$a_pointer
= p
->imagename
;
272 if (!sk_void_push(dso
->meth_data
, (char *)p
)) {
273 DSOerr(DSO_F_VMS_LOAD
, DSO_R_STACK_ERROR
);
277 /* Success (for now, we lie. We actually do not know...) */
278 dso
->loaded_filename
= filename
;
284 if (filename
!= NULL
)
285 OPENSSL_free(filename
);
290 * Note that this doesn't actually unload the shared image, as there is no
291 * such thing in VMS. Next time it get loaded again, a new copy will
292 * actually be loaded.
294 static int vms_unload(DSO
*dso
)
298 DSOerr(DSO_F_VMS_UNLOAD
, ERR_R_PASSED_NULL_PARAMETER
);
301 if (sk_void_num(dso
->meth_data
) < 1)
303 p
= (DSO_VMS_INTERNAL
*)sk_void_pop(dso
->meth_data
);
305 DSOerr(DSO_F_VMS_UNLOAD
, DSO_R_NULL_HANDLE
);
314 * We must do this in a separate function because of the way the exception
315 * handler works (it makes this function return
317 static int do_find_symbol(DSO_VMS_INTERNAL
*ptr
,
318 struct dsc$descriptor_s
*symname_dsc
, void **sym
,
322 * Make sure that signals are caught and returned instead of aborting the
323 * program. The exception handler gets unestablished automatically on
324 * return from this function.
326 lib$
establish(lib$sig_to_ret
);
328 if (ptr
->imagename_dsc
.dsc$w_length
)
329 return lib$
find_image_symbol(&ptr
->filename_dsc
,
331 &ptr
->imagename_dsc
, flags
);
333 return lib$
find_image_symbol(&ptr
->filename_dsc
,
334 symname_dsc
, sym
, 0, flags
);
337 void vms_bind_sym(DSO
*dso
, const char *symname
, void **sym
)
339 DSO_VMS_INTERNAL
*ptr
;
342 int flags
= (1 << 4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
343 * defined in VMS older than 7.0 or so */
347 struct dsc$descriptor_s symname_dsc
;
349 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
350 # if __INITIAL_POINTER_SIZE == 64
351 # define SYMNAME symname_32p
352 # pragma pointer_size save
353 # pragma pointer_size 32
355 # pragma pointer_size restore
356 char symname_32
[NAMX_MAXRSS
+ 1];
357 # else /* __INITIAL_POINTER_SIZE == 64 */
358 # define SYMNAME ((char *) symname)
359 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
363 if ((dso
== NULL
) || (symname
== NULL
)) {
364 DSOerr(DSO_F_VMS_BIND_SYM
, ERR_R_PASSED_NULL_PARAMETER
);
367 # if __INITIAL_POINTER_SIZE == 64
368 /* Copy the symbol name to storage with a 32-bit pointer. */
369 symname_32p
= symname_32
;
370 strcpy(symname_32p
, symname
);
371 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
373 symname_dsc
.dsc$w_length
= strlen(SYMNAME
);
374 symname_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
375 symname_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
376 symname_dsc
.dsc$a_pointer
= SYMNAME
;
378 if (sk_void_num(dso
->meth_data
) < 1) {
379 DSOerr(DSO_F_VMS_BIND_SYM
, DSO_R_STACK_ERROR
);
382 ptr
= (DSO_VMS_INTERNAL
*)sk_void_value(dso
->meth_data
,
383 sk_void_num(dso
->meth_data
) - 1);
385 DSOerr(DSO_F_VMS_BIND_SYM
, DSO_R_NULL_HANDLE
);
389 if (dso
->flags
& DSO_FLAG_UPCASE_SYMBOL
)
392 status
= do_find_symbol(ptr
, &symname_dsc
, sym
, flags
);
394 if (!$
VMS_STATUS_SUCCESS(status
)) {
395 unsigned short length
;
397 struct dsc$descriptor_s errstring_dsc
;
399 errstring_dsc
.dsc$w_length
= sizeof(errstring
);
400 errstring_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
401 errstring_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
402 errstring_dsc
.dsc$a_pointer
= errstring
;
406 status
= sys$
getmsg(status
, &length
, &errstring_dsc
, 1, 0);
408 if (!$
VMS_STATUS_SUCCESS(status
))
409 lib$
signal(status
); /* This is really bad. Abort! */
411 errstring
[length
] = '\0';
413 DSOerr(DSO_F_VMS_BIND_SYM
, DSO_R_SYM_FAILURE
);
414 if (ptr
->imagename_dsc
.dsc$w_length
)
415 ERR_add_error_data(9,
417 " in ", ptr
->filename
,
418 " (", ptr
->imagename
, ")",
421 ERR_add_error_data(6,
423 " in ", ptr
->filename
, ": ", errstring
);
430 static void *vms_bind_var(DSO
*dso
, const char *symname
)
433 vms_bind_sym(dso
, symname
, &sym
);
437 static DSO_FUNC_TYPE
vms_bind_func(DSO
*dso
, const char *symname
)
439 DSO_FUNC_TYPE sym
= 0;
440 vms_bind_sym(dso
, symname
, (void **)&sym
);
444 static char *vms_merger(DSO
*dso
, const char *filespec1
,
445 const char *filespec2
)
448 int filespec1len
, filespec2len
;
450 struct NAMX_STRUCT nam
;
451 char esa
[NAMX_MAXRSS
+ 1];
454 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
455 # if __INITIAL_POINTER_SIZE == 64
456 # define FILESPEC1 filespec1_32p;
457 # define FILESPEC2 filespec2_32p;
458 # pragma pointer_size save
459 # pragma pointer_size 32
462 # pragma pointer_size restore
463 char filespec1_32
[NAMX_MAXRSS
+ 1];
464 char filespec2_32
[NAMX_MAXRSS
+ 1];
465 # else /* __INITIAL_POINTER_SIZE == 64 */
466 # define FILESPEC1 ((char *) filespec1)
467 # define FILESPEC2 ((char *) filespec2)
468 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
474 filespec1len
= strlen(filespec1
);
475 filespec2len
= strlen(filespec2
);
477 # if __INITIAL_POINTER_SIZE == 64
478 /* Copy the file names to storage with a 32-bit pointer. */
479 filespec1_32p
= filespec1_32
;
480 filespec2_32p
= filespec2_32
;
481 strcpy(filespec1_32p
, filespec1
);
482 strcpy(filespec2_32p
, filespec2
);
483 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
488 FAB_OR_NAML(fab
, nam
).FAB_OR_NAML_FNA
= FILESPEC1
;
489 FAB_OR_NAML(fab
, nam
).FAB_OR_NAML_FNS
= filespec1len
;
490 FAB_OR_NAML(fab
, nam
).FAB_OR_NAML_DNA
= FILESPEC2
;
491 FAB_OR_NAML(fab
, nam
).FAB_OR_NAML_DNS
= filespec2len
;
492 NAMX_DNA_FNA_SET(fab
)
495 nam
.NAMX_ESS
= NAMX_MAXRSS
;
496 nam
.NAMX_NOP
= NAM$M_SYNCHK
| NAM$M_PWD
;
497 SET_NAMX_NO_SHORT_UPCASE(nam
);
501 status
= sys$
parse(&fab
, 0, 0);
503 if (!$
VMS_STATUS_SUCCESS(status
)) {
504 unsigned short length
;
506 struct dsc$descriptor_s errstring_dsc
;
508 errstring_dsc
.dsc$w_length
= sizeof(errstring
);
509 errstring_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
510 errstring_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
511 errstring_dsc
.dsc$a_pointer
= errstring
;
513 status
= sys$
getmsg(status
, &length
, &errstring_dsc
, 1, 0);
515 if (!$
VMS_STATUS_SUCCESS(status
))
516 lib$
signal(status
); /* This is really bad. Abort! */
518 errstring
[length
] = '\0';
520 DSOerr(DSO_F_VMS_MERGER
, DSO_R_FAILURE
);
521 ERR_add_error_data(7,
522 "filespec \"", filespec1
, "\", ",
523 "defaults \"", filespec2
, "\": ", errstring
);
528 merged
= OPENSSL_malloc(nam
.NAMX_ESL
+ 1);
531 strncpy(merged
, nam
.NAMX_ESA
, nam
.NAMX_ESL
);
532 merged
[nam
.NAMX_ESL
] = '\0';
535 DSOerr(DSO_F_VMS_MERGER
, ERR_R_MALLOC_FAILURE
);
538 static char *vms_name_converter(DSO
*dso
, const char *filename
)
540 int len
= strlen(filename
);
541 char *not_translated
= OPENSSL_malloc(len
+ 1);
543 strcpy(not_translated
, filename
);
544 return (not_translated
);
547 #endif /* OPENSSL_SYS_VMS */