2 * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include "dso_local.h"
12 #ifdef OPENSSL_SYS_VMS
14 # pragma message disable DOLLARID
17 # include <lib$routines.h>
18 # include <libfisdef.h>
22 # include "../vms_rms.h"
24 /* Some compiler options may mask the declaration of "_malloc32". */
25 # if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
26 # if __INITIAL_POINTER_SIZE == 64
27 # pragma pointer_size save
28 # pragma pointer_size 32
29 void *_malloc32(__size_t
);
30 # pragma pointer_size restore
31 # endif /* __INITIAL_POINTER_SIZE == 64 */
32 # endif /* __INITIAL_POINTER_SIZE && defined
35 # pragma message disable DOLLARID
37 static int vms_load(DSO
*dso
);
38 static int vms_unload(DSO
*dso
);
39 static DSO_FUNC_TYPE
vms_bind_func(DSO
*dso
, const char *symname
);
40 static char *vms_name_converter(DSO
*dso
, const char *filename
);
41 static char *vms_merger(DSO
*dso
, const char *filespec1
,
42 const char *filespec2
);
44 static DSO_METHOD dso_meth_vms
= {
45 "OpenSSL 'VMS' shared library method",
54 NULL
, /* pathbyaddr */
55 NULL
/* globallookup */
59 * On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
60 * on the reference to the file name being the same for all calls regarding
61 * one shared image, so we'll just store it in an instance of the following
62 * structure and put a pointer to that instance in the meth_data stack.
64 typedef struct dso_internal_st
{
66 * This should contain the name only, no directory, no extension, nothing
69 struct dsc$descriptor_s filename_dsc
;
70 char filename
[NAMX_MAXRSS
+ 1];
72 * This contains whatever is not in filename, if needed. Normally not
75 struct dsc$descriptor_s imagename_dsc
;
76 char imagename
[NAMX_MAXRSS
+ 1];
79 DSO_METHOD
*DSO_METHOD_openssl(void)
84 static int vms_load(DSO
*dso
)
87 /* See applicable comments in dso_dl.c */
88 char *filename
= DSO_convert_filename(dso
, NULL
);
90 /* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
91 # if __INITIAL_POINTER_SIZE == 64
92 # define DSO_MALLOC _malloc32
93 # pragma pointer_size save
94 # pragma pointer_size 32
95 # else /* __INITIAL_POINTER_SIZE == 64 */
96 # define DSO_MALLOC OPENSSL_malloc
97 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
99 DSO_VMS_INTERNAL
*p
= NULL
;
101 # if __INITIAL_POINTER_SIZE == 64
102 # pragma pointer_size restore
103 # endif /* __INITIAL_POINTER_SIZE == 64 */
105 const char *sp1
, *sp2
; /* Search result */
106 const char *ext
= NULL
; /* possible extension to add */
108 if (filename
== NULL
) {
109 DSOerr(DSO_F_VMS_LOAD
, DSO_R_NO_FILENAME
);
114 * A file specification may look like this:
116 * node::dev:[dir-spec]name.type;ver
118 * or (for compatibility with TOPS-20):
120 * node::dev:<dir-spec>name.type;ver
122 * and the dir-spec uses '.' as separator. Also, a dir-spec
123 * may consist of several parts, with mixed use of [] and <>:
127 * We need to split the file specification into the name and
128 * the rest (both before and after the name itself).
131 * Start with trying to find the end of a dir-spec, and save the position
132 * of the byte after in sp1
134 sp1
= strrchr(filename
, ']');
135 sp2
= strrchr(filename
, '>');
138 if (sp2
!= NULL
&& sp2
> sp1
)
141 sp1
= strrchr(filename
, ':');
145 sp1
++; /* The byte after the found character */
146 /* Now, let's see if there's a type, and save the position in sp2 */
147 sp2
= strchr(sp1
, '.');
149 * If there is a period and the next character is a semi-colon,
150 * we need to add an extension
152 if (sp2
!= NULL
&& sp2
[1] == ';')
155 * If we found it, that's where we'll cut. Otherwise, look for a version
156 * number and save the position in sp2
159 sp2
= strchr(sp1
, ';');
163 * If there was still nothing to find, set sp2 to point at the end of the
167 sp2
= sp1
+ strlen(sp1
);
169 /* Check that we won't get buffer overflows */
170 if (sp2
- sp1
> FILENAME_MAX
171 || (sp1
- filename
) + strlen(sp2
) > FILENAME_MAX
) {
172 DSOerr(DSO_F_VMS_LOAD
, DSO_R_FILENAME_TOO_BIG
);
176 p
= DSO_MALLOC(sizeof(*p
));
178 DSOerr(DSO_F_VMS_LOAD
, ERR_R_MALLOC_FAILURE
);
182 strncpy(p
->filename
, sp1
, sp2
- sp1
);
183 p
->filename
[sp2
- sp1
] = '\0';
185 strncpy(p
->imagename
, filename
, sp1
- filename
);
186 p
->imagename
[sp1
- filename
] = '\0';
188 strcat(p
->imagename
, ext
);
192 strcat(p
->imagename
, sp2
);
194 p
->filename_dsc
.dsc$w_length
= strlen(p
->filename
);
195 p
->filename_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
196 p
->filename_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
197 p
->filename_dsc
.dsc$a_pointer
= p
->filename
;
198 p
->imagename_dsc
.dsc$w_length
= strlen(p
->imagename
);
199 p
->imagename_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
200 p
->imagename_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
201 p
->imagename_dsc
.dsc$a_pointer
= p
->imagename
;
203 if (!sk_void_push(dso
->meth_data
, (char *)p
)) {
204 DSOerr(DSO_F_VMS_LOAD
, DSO_R_STACK_ERROR
);
208 /* Success (for now, we lie. We actually do not know...) */
209 dso
->loaded_filename
= filename
;
214 OPENSSL_free(filename
);
219 * Note that this doesn't actually unload the shared image, as there is no
220 * such thing in VMS. Next time it get loaded again, a new copy will
221 * actually be loaded.
223 static int vms_unload(DSO
*dso
)
227 DSOerr(DSO_F_VMS_UNLOAD
, ERR_R_PASSED_NULL_PARAMETER
);
230 if (sk_void_num(dso
->meth_data
) < 1)
232 p
= (DSO_VMS_INTERNAL
*)sk_void_pop(dso
->meth_data
);
234 DSOerr(DSO_F_VMS_UNLOAD
, DSO_R_NULL_HANDLE
);
243 * We must do this in a separate function because of the way the exception
244 * handler works (it makes this function return
246 static int do_find_symbol(DSO_VMS_INTERNAL
*ptr
,
247 struct dsc$descriptor_s
*symname_dsc
, void **sym
,
251 * Make sure that signals are caught and returned instead of aborting the
252 * program. The exception handler gets unestablished automatically on
253 * return from this function.
255 lib$
establish(lib$sig_to_ret
);
257 if (ptr
->imagename_dsc
.dsc$w_length
)
258 return lib$
find_image_symbol(&ptr
->filename_dsc
,
260 &ptr
->imagename_dsc
, flags
);
262 return lib$
find_image_symbol(&ptr
->filename_dsc
,
263 symname_dsc
, sym
, 0, flags
);
266 # ifndef LIB$M_FIS_MIXEDCASE
267 # define LIB$M_FIS_MIXEDCASE (1 << 4);
269 void vms_bind_sym(DSO
*dso
, const char *symname
, void **sym
)
271 DSO_VMS_INTERNAL
*ptr
;
273 struct dsc$descriptor_s symname_dsc
;
275 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
276 # if __INITIAL_POINTER_SIZE == 64
277 # define SYMNAME symname_32p
278 # pragma pointer_size save
279 # pragma pointer_size 32
281 # pragma pointer_size restore
282 char symname_32
[NAMX_MAXRSS
+ 1];
283 # else /* __INITIAL_POINTER_SIZE == 64 */
284 # define SYMNAME ((char *) symname)
285 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
289 if ((dso
== NULL
) || (symname
== NULL
)) {
290 DSOerr(DSO_F_VMS_BIND_SYM
, ERR_R_PASSED_NULL_PARAMETER
);
293 # if __INITIAL_POINTER_SIZE == 64
294 /* Copy the symbol name to storage with a 32-bit pointer. */
295 symname_32p
= symname_32
;
296 strcpy(symname_32p
, symname
);
297 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
299 symname_dsc
.dsc$w_length
= strlen(SYMNAME
);
300 symname_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
301 symname_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
302 symname_dsc
.dsc$a_pointer
= SYMNAME
;
304 if (sk_void_num(dso
->meth_data
) < 1) {
305 DSOerr(DSO_F_VMS_BIND_SYM
, DSO_R_STACK_ERROR
);
308 ptr
= (DSO_VMS_INTERNAL
*)sk_void_value(dso
->meth_data
,
309 sk_void_num(dso
->meth_data
) - 1);
311 DSOerr(DSO_F_VMS_BIND_SYM
, DSO_R_NULL_HANDLE
);
315 status
= do_find_symbol(ptr
, &symname_dsc
, sym
, LIB$M_FIS_MIXEDCASE
);
317 if (!$
VMS_STATUS_SUCCESS(status
))
318 status
= do_find_symbol(ptr
, &symname_dsc
, sym
, 0);
320 if (!$
VMS_STATUS_SUCCESS(status
)) {
321 unsigned short length
;
323 struct dsc$descriptor_s errstring_dsc
;
325 errstring_dsc
.dsc$w_length
= sizeof(errstring
);
326 errstring_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
327 errstring_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
328 errstring_dsc
.dsc$a_pointer
= errstring
;
332 status
= sys$
getmsg(status
, &length
, &errstring_dsc
, 1, 0);
334 if (!$
VMS_STATUS_SUCCESS(status
))
335 lib$
signal(status
); /* This is really bad. Abort! */
337 errstring
[length
] = '\0';
339 DSOerr(DSO_F_VMS_BIND_SYM
, DSO_R_SYM_FAILURE
);
340 if (ptr
->imagename_dsc
.dsc$w_length
)
341 ERR_add_error_data(9,
343 " in ", ptr
->filename
,
344 " (", ptr
->imagename
, ")",
347 ERR_add_error_data(6,
349 " in ", ptr
->filename
, ": ", errstring
);
356 static DSO_FUNC_TYPE
vms_bind_func(DSO
*dso
, const char *symname
)
358 DSO_FUNC_TYPE sym
= 0;
359 vms_bind_sym(dso
, symname
, (void **)&sym
);
363 static char *vms_merger(DSO
*dso
, const char *filespec1
,
364 const char *filespec2
)
367 int filespec1len
, filespec2len
;
369 struct NAMX_STRUCT nam
;
370 char esa
[NAMX_MAXRSS
+ 1];
373 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
374 # if __INITIAL_POINTER_SIZE == 64
375 # define FILESPEC1 filespec1_32p;
376 # define FILESPEC2 filespec2_32p;
377 # pragma pointer_size save
378 # pragma pointer_size 32
381 # pragma pointer_size restore
382 char filespec1_32
[NAMX_MAXRSS
+ 1];
383 char filespec2_32
[NAMX_MAXRSS
+ 1];
384 # else /* __INITIAL_POINTER_SIZE == 64 */
385 # define FILESPEC1 ((char *) filespec1)
386 # define FILESPEC2 ((char *) filespec2)
387 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
393 filespec1len
= strlen(filespec1
);
394 filespec2len
= strlen(filespec2
);
396 # if __INITIAL_POINTER_SIZE == 64
397 /* Copy the file names to storage with a 32-bit pointer. */
398 filespec1_32p
= filespec1_32
;
399 filespec2_32p
= filespec2_32
;
400 strcpy(filespec1_32p
, filespec1
);
401 strcpy(filespec2_32p
, filespec2
);
402 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
407 FAB_OR_NAML(fab
, nam
).FAB_OR_NAML_FNA
= FILESPEC1
;
408 FAB_OR_NAML(fab
, nam
).FAB_OR_NAML_FNS
= filespec1len
;
409 FAB_OR_NAML(fab
, nam
).FAB_OR_NAML_DNA
= FILESPEC2
;
410 FAB_OR_NAML(fab
, nam
).FAB_OR_NAML_DNS
= filespec2len
;
411 NAMX_DNA_FNA_SET(fab
)
414 nam
.NAMX_ESS
= NAMX_MAXRSS
;
415 nam
.NAMX_NOP
= NAM$M_SYNCHK
| NAM$M_PWD
;
416 SET_NAMX_NO_SHORT_UPCASE(nam
);
420 status
= sys$
parse(&fab
, 0, 0);
422 if (!$
VMS_STATUS_SUCCESS(status
)) {
423 unsigned short length
;
425 struct dsc$descriptor_s errstring_dsc
;
427 errstring_dsc
.dsc$w_length
= sizeof(errstring
);
428 errstring_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
429 errstring_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
430 errstring_dsc
.dsc$a_pointer
= errstring
;
432 status
= sys$
getmsg(status
, &length
, &errstring_dsc
, 1, 0);
434 if (!$
VMS_STATUS_SUCCESS(status
))
435 lib$
signal(status
); /* This is really bad. Abort! */
437 errstring
[length
] = '\0';
439 DSOerr(DSO_F_VMS_MERGER
, DSO_R_FAILURE
);
440 ERR_add_error_data(7,
441 "filespec \"", filespec1
, "\", ",
442 "defaults \"", filespec2
, "\": ", errstring
);
447 merged
= OPENSSL_malloc(nam
.NAMX_ESL
+ 1);
450 strncpy(merged
, nam
.NAMX_ESA
, nam
.NAMX_ESL
);
451 merged
[nam
.NAMX_ESL
] = '\0';
454 DSOerr(DSO_F_VMS_MERGER
, ERR_R_MALLOC_FAILURE
);
457 static char *vms_name_converter(DSO
*dso
, const char *filename
)
459 int len
= strlen(filename
);
460 char *not_translated
= OPENSSL_malloc(len
+ 1);
461 if (not_translated
!= NULL
)
462 strcpy(not_translated
, filename
);
463 return not_translated
;
466 #endif /* OPENSSL_SYS_VMS */