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).
61 #ifndef OPENSSL_SYS_VMS
62 DSO_METHOD *DSO_METHOD_vms(void)
68 # pragma message disable DOLLARID
71 # include <lib$routines.h>
75 # include "../vms_rms.h"
77 /* Some compiler options may mask the declaration of "_malloc32". */
78 # if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
79 # if __INITIAL_POINTER_SIZE == 64
80 # pragma pointer_size save
81 # pragma pointer_size 32
82 void *_malloc32(__size_t);
83 # pragma pointer_size restore
84 # endif /* __INITIAL_POINTER_SIZE == 64 */
85 # endif /* __INITIAL_POINTER_SIZE && defined
88 # pragma message disable DOLLARID
90 static int vms_load(DSO *dso);
91 static int vms_unload(DSO *dso);
92 static void *vms_bind_var(DSO *dso, const char *symname);
93 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
94 static char *vms_name_converter(DSO *dso, const char *filename);
95 static char *vms_merger(DSO *dso, const char *filespec1,
96 const char *filespec2);
98 static DSO_METHOD dso_meth_vms = {
99 "OpenSSL 'VMS' shared library method",
112 * On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
113 * on the reference to the file name being the same for all calls regarding
114 * one shared image, so we'll just store it in an instance of the following
115 * structure and put a pointer to that instance in the meth_data stack.
117 typedef struct dso_internal_st {
119 * This should contain the name only, no directory, no extension, nothing
122 struct dsc$descriptor_s filename_dsc;
123 char filename[NAMX_MAXRSS + 1];
125 * This contains whatever is not in filename, if needed. Normally not
128 struct dsc$descriptor_s imagename_dsc;
129 char imagename[NAMX_MAXRSS + 1];
132 DSO_METHOD *DSO_METHOD_vms(void)
134 return (&dso_meth_vms);
137 static int vms_load(DSO *dso)
140 /* See applicable comments in dso_dl.c */
141 char *filename = DSO_convert_filename(dso, NULL);
143 /* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
144 # if __INITIAL_POINTER_SIZE == 64
145 # define DSO_MALLOC _malloc32
146 # pragma pointer_size save
147 # pragma pointer_size 32
148 # else /* __INITIAL_POINTER_SIZE == 64 */
149 # define DSO_MALLOC OPENSSL_malloc
150 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
152 DSO_VMS_INTERNAL *p = NULL;
154 # if __INITIAL_POINTER_SIZE == 64
155 # pragma pointer_size restore
156 # endif /* __INITIAL_POINTER_SIZE == 64 */
158 const char *sp1, *sp2; /* Search result */
159 const char *ext = NULL; /* possible extension to add */
161 if (filename == NULL) {
162 DSOerr(DSO_F_VMS_LOAD, DSO_R_NO_FILENAME);
167 * A file specification may look like this:
169 * node::dev:[dir-spec]name.type;ver
171 * or (for compatibility with TOPS-20):
173 * node::dev:<dir-spec>name.type;ver
175 * and the dir-spec uses '.' as separator. Also, a dir-spec
176 * may consist of several parts, with mixed use of [] and <>:
180 * We need to split the file specification into the name and
181 * the rest (both before and after the name itself).
184 * Start with trying to find the end of a dir-spec, and save the position
185 * of the byte after in sp1
187 sp1 = strrchr(filename, ']');
188 sp2 = strrchr(filename, '>');
191 if (sp2 != NULL && sp2 > sp1)
194 sp1 = strrchr(filename, ':');
198 sp1++; /* The byte after the found character */
199 /* Now, let's see if there's a type, and save the position in sp2 */
200 sp2 = strchr(sp1, '.');
202 * If there is a period and the next character is a semi-colon,
203 * we need to add an extension
205 if (sp2 != NULL && sp2[1] == ';')
208 * If we found it, that's where we'll cut. Otherwise, look for a version
209 * number and save the position in sp2
212 sp2 = strchr(sp1, ';');
216 * If there was still nothing to find, set sp2 to point at the end of the
220 sp2 = sp1 + strlen(sp1);
222 /* Check that we won't get buffer overflows */
223 if (sp2 - sp1 > FILENAME_MAX
224 || (sp1 - filename) + strlen(sp2) > FILENAME_MAX) {
225 DSOerr(DSO_F_VMS_LOAD, DSO_R_FILENAME_TOO_BIG);
229 p = DSO_MALLOC(sizeof(*p));
231 DSOerr(DSO_F_VMS_LOAD, ERR_R_MALLOC_FAILURE);
235 strncpy(p->filename, sp1, sp2 - sp1);
236 p->filename[sp2 - sp1] = '\0';
238 strncpy(p->imagename, filename, sp1 - filename);
239 p->imagename[sp1 - filename] = '\0';
241 strcat(p->imagename, ext);
245 strcat(p->imagename, sp2);
247 p->filename_dsc.dsc$w_length = strlen(p->filename);
248 p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
249 p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
250 p->filename_dsc.dsc$a_pointer = p->filename;
251 p->imagename_dsc.dsc$w_length = strlen(p->imagename);
252 p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
253 p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
254 p->imagename_dsc.dsc$a_pointer = p->imagename;
256 if (!sk_void_push(dso->meth_data, (char *)p)) {
257 DSOerr(DSO_F_VMS_LOAD, DSO_R_STACK_ERROR);
261 /* Success (for now, we lie. We actually do not know...) */
262 dso->loaded_filename = filename;
267 OPENSSL_free(filename);
272 * Note that this doesn't actually unload the shared image, as there is no
273 * such thing in VMS. Next time it get loaded again, a new copy will
274 * actually be loaded.
276 static int vms_unload(DSO *dso)
280 DSOerr(DSO_F_VMS_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
283 if (sk_void_num(dso->meth_data) < 1)
285 p = (DSO_VMS_INTERNAL *)sk_void_pop(dso->meth_data);
287 DSOerr(DSO_F_VMS_UNLOAD, DSO_R_NULL_HANDLE);
296 * We must do this in a separate function because of the way the exception
297 * handler works (it makes this function return
299 static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
300 struct dsc$descriptor_s *symname_dsc, void **sym,
304 * Make sure that signals are caught and returned instead of aborting the
305 * program. The exception handler gets unestablished automatically on
306 * return from this function.
308 lib$establish(lib$sig_to_ret);
310 if (ptr->imagename_dsc.dsc$w_length)
311 return lib$find_image_symbol(&ptr->filename_dsc,
313 &ptr->imagename_dsc, flags);
315 return lib$find_image_symbol(&ptr->filename_dsc,
316 symname_dsc, sym, 0, flags);
319 void vms_bind_sym(DSO *dso, const char *symname, void **sym)
321 DSO_VMS_INTERNAL *ptr;
324 int flags = (1 << 4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
325 * defined in VMS older than 7.0 or so */
329 struct dsc$descriptor_s symname_dsc;
331 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
332 # if __INITIAL_POINTER_SIZE == 64
333 # define SYMNAME symname_32p
334 # pragma pointer_size save
335 # pragma pointer_size 32
337 # pragma pointer_size restore
338 char symname_32[NAMX_MAXRSS + 1];
339 # else /* __INITIAL_POINTER_SIZE == 64 */
340 # define SYMNAME ((char *) symname)
341 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
345 if ((dso == NULL) || (symname == NULL)) {
346 DSOerr(DSO_F_VMS_BIND_SYM, ERR_R_PASSED_NULL_PARAMETER);
349 # if __INITIAL_POINTER_SIZE == 64
350 /* Copy the symbol name to storage with a 32-bit pointer. */
351 symname_32p = symname_32;
352 strcpy(symname_32p, symname);
353 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
355 symname_dsc.dsc$w_length = strlen(SYMNAME);
356 symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
357 symname_dsc.dsc$b_class = DSC$K_CLASS_S;
358 symname_dsc.dsc$a_pointer = SYMNAME;
360 if (sk_void_num(dso->meth_data) < 1) {
361 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_STACK_ERROR);
364 ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data,
365 sk_void_num(dso->meth_data) - 1);
367 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_NULL_HANDLE);
371 if (dso->flags & DSO_FLAG_UPCASE_SYMBOL)
374 status = do_find_symbol(ptr, &symname_dsc, sym, flags);
376 if (!$VMS_STATUS_SUCCESS(status)) {
377 unsigned short length;
379 struct dsc$descriptor_s errstring_dsc;
381 errstring_dsc.dsc$w_length = sizeof(errstring);
382 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
383 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
384 errstring_dsc.dsc$a_pointer = errstring;
388 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
390 if (!$VMS_STATUS_SUCCESS(status))
391 lib$signal(status); /* This is really bad. Abort! */
393 errstring[length] = '\0';
395 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_SYM_FAILURE);
396 if (ptr->imagename_dsc.dsc$w_length)
397 ERR_add_error_data(9,
399 " in ", ptr->filename,
400 " (", ptr->imagename, ")",
403 ERR_add_error_data(6,
405 " in ", ptr->filename, ": ", errstring);
412 static void *vms_bind_var(DSO *dso, const char *symname)
415 vms_bind_sym(dso, symname, &sym);
419 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
421 DSO_FUNC_TYPE sym = 0;
422 vms_bind_sym(dso, symname, (void **)&sym);
426 static char *vms_merger(DSO *dso, const char *filespec1,
427 const char *filespec2)
430 int filespec1len, filespec2len;
432 struct NAMX_STRUCT nam;
433 char esa[NAMX_MAXRSS + 1];
436 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
437 # if __INITIAL_POINTER_SIZE == 64
438 # define FILESPEC1 filespec1_32p;
439 # define FILESPEC2 filespec2_32p;
440 # pragma pointer_size save
441 # pragma pointer_size 32
444 # pragma pointer_size restore
445 char filespec1_32[NAMX_MAXRSS + 1];
446 char filespec2_32[NAMX_MAXRSS + 1];
447 # else /* __INITIAL_POINTER_SIZE == 64 */
448 # define FILESPEC1 ((char *) filespec1)
449 # define FILESPEC2 ((char *) filespec2)
450 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
456 filespec1len = strlen(filespec1);
457 filespec2len = strlen(filespec2);
459 # if __INITIAL_POINTER_SIZE == 64
460 /* Copy the file names to storage with a 32-bit pointer. */
461 filespec1_32p = filespec1_32;
462 filespec2_32p = filespec2_32;
463 strcpy(filespec1_32p, filespec1);
464 strcpy(filespec2_32p, filespec2);
465 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
470 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNA = FILESPEC1;
471 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNS = filespec1len;
472 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNA = FILESPEC2;
473 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNS = filespec2len;
474 NAMX_DNA_FNA_SET(fab)
477 nam.NAMX_ESS = NAMX_MAXRSS;
478 nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD;
479 SET_NAMX_NO_SHORT_UPCASE(nam);
483 status = sys$parse(&fab, 0, 0);
485 if (!$VMS_STATUS_SUCCESS(status)) {
486 unsigned short length;
488 struct dsc$descriptor_s errstring_dsc;
490 errstring_dsc.dsc$w_length = sizeof(errstring);
491 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
492 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
493 errstring_dsc.dsc$a_pointer = errstring;
495 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
497 if (!$VMS_STATUS_SUCCESS(status))
498 lib$signal(status); /* This is really bad. Abort! */
500 errstring[length] = '\0';
502 DSOerr(DSO_F_VMS_MERGER, DSO_R_FAILURE);
503 ERR_add_error_data(7,
504 "filespec \"", filespec1, "\", ",
505 "defaults \"", filespec2, "\": ", errstring);
510 merged = OPENSSL_malloc(nam.NAMX_ESL + 1);
513 strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL);
514 merged[nam.NAMX_ESL] = '\0';
517 DSOerr(DSO_F_VMS_MERGER, ERR_R_MALLOC_FAILURE);
520 static char *vms_name_converter(DSO *dso, const char *filename)
522 int len = strlen(filename);
523 char *not_translated = OPENSSL_malloc(len + 1);
524 if (not_translated != NULL)
525 strcpy(not_translated, filename);
526 return (not_translated);
529 #endif /* OPENSSL_SYS_VMS */