2 * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
62 #include "internal/cryptlib.h"
63 #include <openssl/dso.h>
65 #ifndef OPENSSL_SYS_VMS
66 DSO_METHOD *DSO_METHOD_vms(void)
72 # pragma message disable DOLLARID
74 # include <lib$routines.h>
78 # include "../vms_rms.h"
80 /* Some compiler options may mask the declaration of "_malloc32". */
81 # if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
82 # if __INITIAL_POINTER_SIZE == 64
83 # pragma pointer_size save
84 # pragma pointer_size 32
85 void *_malloc32(__size_t);
86 # pragma pointer_size restore
87 # endif /* __INITIAL_POINTER_SIZE == 64 */
88 # endif /* __INITIAL_POINTER_SIZE && defined
91 # pragma message disable DOLLARID
93 static int vms_load(DSO *dso);
94 static int vms_unload(DSO *dso);
95 static void *vms_bind_var(DSO *dso, const char *symname);
96 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
97 static char *vms_name_converter(DSO *dso, const char *filename);
98 static char *vms_merger(DSO *dso, const char *filespec1,
99 const char *filespec2);
101 static DSO_METHOD dso_meth_vms = {
102 "OpenSSL 'VMS' shared library method",
115 * On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
116 * on the reference to the file name being the same for all calls regarding
117 * one shared image, so we'll just store it in an instance of the following
118 * structure and put a pointer to that instance in the meth_data stack.
120 typedef struct dso_internal_st {
122 * This should contain the name only, no directory, no extension, nothing
125 struct dsc$descriptor_s filename_dsc;
126 char filename[NAMX_MAXRSS + 1];
128 * This contains whatever is not in filename, if needed. Normally not
131 struct dsc$descriptor_s imagename_dsc;
132 char imagename[NAMX_MAXRSS + 1];
135 DSO_METHOD *DSO_METHOD_vms(void)
137 return (&dso_meth_vms);
140 static int vms_load(DSO *dso)
143 /* See applicable comments in dso_dl.c */
144 char *filename = DSO_convert_filename(dso, NULL);
146 /* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
147 # if __INITIAL_POINTER_SIZE == 64
148 # define DSO_MALLOC _malloc32
149 # pragma pointer_size save
150 # pragma pointer_size 32
151 # else /* __INITIAL_POINTER_SIZE == 64 */
152 # define DSO_MALLOC OPENSSL_malloc
153 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
155 DSO_VMS_INTERNAL *p = NULL;
157 # if __INITIAL_POINTER_SIZE == 64
158 # pragma pointer_size restore
159 # endif /* __INITIAL_POINTER_SIZE == 64 */
161 const char *sp1, *sp2; /* Search result */
162 const char *ext = NULL; /* possible extension to add */
164 if (filename == NULL) {
165 DSOerr(DSO_F_VMS_LOAD, DSO_R_NO_FILENAME);
170 * A file specification may look like this:
172 * node::dev:[dir-spec]name.type;ver
174 * or (for compatibility with TOPS-20):
176 * node::dev:<dir-spec>name.type;ver
178 * and the dir-spec uses '.' as separator. Also, a dir-spec
179 * may consist of several parts, with mixed use of [] and <>:
183 * We need to split the file specification into the name and
184 * the rest (both before and after the name itself).
187 * Start with trying to find the end of a dir-spec, and save the position
188 * of the byte after in sp1
190 sp1 = strrchr(filename, ']');
191 sp2 = strrchr(filename, '>');
194 if (sp2 != NULL && sp2 > sp1)
197 sp1 = strrchr(filename, ':');
201 sp1++; /* The byte after the found character */
202 /* Now, let's see if there's a type, and save the position in sp2 */
203 sp2 = strchr(sp1, '.');
205 * If there is a period and the next character is a semi-colon,
206 * we need to add an extension
208 if (sp2 != NULL && sp2[1] == ';')
211 * If we found it, that's where we'll cut. Otherwise, look for a version
212 * number and save the position in sp2
215 sp2 = strchr(sp1, ';');
219 * If there was still nothing to find, set sp2 to point at the end of the
223 sp2 = sp1 + strlen(sp1);
225 /* Check that we won't get buffer overflows */
226 if (sp2 - sp1 > FILENAME_MAX
227 || (sp1 - filename) + strlen(sp2) > FILENAME_MAX) {
228 DSOerr(DSO_F_VMS_LOAD, DSO_R_FILENAME_TOO_BIG);
232 p = DSO_MALLOC(sizeof(*p));
234 DSOerr(DSO_F_VMS_LOAD, ERR_R_MALLOC_FAILURE);
238 strncpy(p->filename, sp1, sp2 - sp1);
239 p->filename[sp2 - sp1] = '\0';
241 strncpy(p->imagename, filename, sp1 - filename);
242 p->imagename[sp1 - filename] = '\0';
244 strcat(p->imagename, ext);
248 strcat(p->imagename, sp2);
250 p->filename_dsc.dsc$w_length = strlen(p->filename);
251 p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
252 p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
253 p->filename_dsc.dsc$a_pointer = p->filename;
254 p->imagename_dsc.dsc$w_length = strlen(p->imagename);
255 p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
256 p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
257 p->imagename_dsc.dsc$a_pointer = p->imagename;
259 if (!sk_void_push(dso->meth_data, (char *)p)) {
260 DSOerr(DSO_F_VMS_LOAD, DSO_R_STACK_ERROR);
264 /* Success (for now, we lie. We actually do not know...) */
265 dso->loaded_filename = filename;
270 OPENSSL_free(filename);
275 * Note that this doesn't actually unload the shared image, as there is no
276 * such thing in VMS. Next time it get loaded again, a new copy will
277 * actually be loaded.
279 static int vms_unload(DSO *dso)
283 DSOerr(DSO_F_VMS_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
286 if (sk_void_num(dso->meth_data) < 1)
288 p = (DSO_VMS_INTERNAL *)sk_void_pop(dso->meth_data);
290 DSOerr(DSO_F_VMS_UNLOAD, DSO_R_NULL_HANDLE);
299 * We must do this in a separate function because of the way the exception
300 * handler works (it makes this function return
302 static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
303 struct dsc$descriptor_s *symname_dsc, void **sym,
307 * Make sure that signals are caught and returned instead of aborting the
308 * program. The exception handler gets unestablished automatically on
309 * return from this function.
311 lib$establish(lib$sig_to_ret);
313 if (ptr->imagename_dsc.dsc$w_length)
314 return lib$find_image_symbol(&ptr->filename_dsc,
316 &ptr->imagename_dsc, flags);
318 return lib$find_image_symbol(&ptr->filename_dsc,
319 symname_dsc, sym, 0, flags);
322 void vms_bind_sym(DSO *dso, const char *symname, void **sym)
324 DSO_VMS_INTERNAL *ptr;
327 int flags = (1 << 4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
328 * defined in VMS older than 7.0 or so */
332 struct dsc$descriptor_s symname_dsc;
334 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
335 # if __INITIAL_POINTER_SIZE == 64
336 # define SYMNAME symname_32p
337 # pragma pointer_size save
338 # pragma pointer_size 32
340 # pragma pointer_size restore
341 char symname_32[NAMX_MAXRSS + 1];
342 # else /* __INITIAL_POINTER_SIZE == 64 */
343 # define SYMNAME ((char *) symname)
344 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
348 if ((dso == NULL) || (symname == NULL)) {
349 DSOerr(DSO_F_VMS_BIND_SYM, ERR_R_PASSED_NULL_PARAMETER);
352 # if __INITIAL_POINTER_SIZE == 64
353 /* Copy the symbol name to storage with a 32-bit pointer. */
354 symname_32p = symname_32;
355 strcpy(symname_32p, symname);
356 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
358 symname_dsc.dsc$w_length = strlen(SYMNAME);
359 symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
360 symname_dsc.dsc$b_class = DSC$K_CLASS_S;
361 symname_dsc.dsc$a_pointer = SYMNAME;
363 if (sk_void_num(dso->meth_data) < 1) {
364 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_STACK_ERROR);
367 ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data,
368 sk_void_num(dso->meth_data) - 1);
370 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_NULL_HANDLE);
374 if (dso->flags & DSO_FLAG_UPCASE_SYMBOL)
377 status = do_find_symbol(ptr, &symname_dsc, sym, flags);
379 if (!$VMS_STATUS_SUCCESS(status)) {
380 unsigned short length;
382 struct dsc$descriptor_s errstring_dsc;
384 errstring_dsc.dsc$w_length = sizeof(errstring);
385 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
386 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
387 errstring_dsc.dsc$a_pointer = errstring;
391 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
393 if (!$VMS_STATUS_SUCCESS(status))
394 lib$signal(status); /* This is really bad. Abort! */
396 errstring[length] = '\0';
398 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_SYM_FAILURE);
399 if (ptr->imagename_dsc.dsc$w_length)
400 ERR_add_error_data(9,
402 " in ", ptr->filename,
403 " (", ptr->imagename, ")",
406 ERR_add_error_data(6,
408 " in ", ptr->filename, ": ", errstring);
415 static void *vms_bind_var(DSO *dso, const char *symname)
418 vms_bind_sym(dso, symname, &sym);
422 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
424 DSO_FUNC_TYPE sym = 0;
425 vms_bind_sym(dso, symname, (void **)&sym);
429 static char *vms_merger(DSO *dso, const char *filespec1,
430 const char *filespec2)
433 int filespec1len, filespec2len;
435 struct NAMX_STRUCT nam;
436 char esa[NAMX_MAXRSS + 1];
439 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
440 # if __INITIAL_POINTER_SIZE == 64
441 # define FILESPEC1 filespec1_32p;
442 # define FILESPEC2 filespec2_32p;
443 # pragma pointer_size save
444 # pragma pointer_size 32
447 # pragma pointer_size restore
448 char filespec1_32[NAMX_MAXRSS + 1];
449 char filespec2_32[NAMX_MAXRSS + 1];
450 # else /* __INITIAL_POINTER_SIZE == 64 */
451 # define FILESPEC1 ((char *) filespec1)
452 # define FILESPEC2 ((char *) filespec2)
453 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
459 filespec1len = strlen(filespec1);
460 filespec2len = strlen(filespec2);
462 # if __INITIAL_POINTER_SIZE == 64
463 /* Copy the file names to storage with a 32-bit pointer. */
464 filespec1_32p = filespec1_32;
465 filespec2_32p = filespec2_32;
466 strcpy(filespec1_32p, filespec1);
467 strcpy(filespec2_32p, filespec2);
468 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
473 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNA = FILESPEC1;
474 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNS = filespec1len;
475 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNA = FILESPEC2;
476 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNS = filespec2len;
477 NAMX_DNA_FNA_SET(fab)
480 nam.NAMX_ESS = NAMX_MAXRSS;
481 nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD;
482 SET_NAMX_NO_SHORT_UPCASE(nam);
486 status = sys$parse(&fab, 0, 0);
488 if (!$VMS_STATUS_SUCCESS(status)) {
489 unsigned short length;
491 struct dsc$descriptor_s errstring_dsc;
493 errstring_dsc.dsc$w_length = sizeof(errstring);
494 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
495 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
496 errstring_dsc.dsc$a_pointer = errstring;
498 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
500 if (!$VMS_STATUS_SUCCESS(status))
501 lib$signal(status); /* This is really bad. Abort! */
503 errstring[length] = '\0';
505 DSOerr(DSO_F_VMS_MERGER, DSO_R_FAILURE);
506 ERR_add_error_data(7,
507 "filespec \"", filespec1, "\", ",
508 "defaults \"", filespec2, "\": ", errstring);
513 merged = OPENSSL_malloc(nam.NAMX_ESL + 1);
516 strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL);
517 merged[nam.NAMX_ESL] = '\0';
520 DSOerr(DSO_F_VMS_MERGER, ERR_R_MALLOC_FAILURE);
523 static char *vms_name_converter(DSO *dso, const char *filename)
525 int len = strlen(filename);
526 char *not_translated = OPENSSL_malloc(len + 1);
527 if (not_translated != NULL)
528 strcpy(not_translated, filename);
529 return (not_translated);
532 #endif /* OPENSSL_SYS_VMS */