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 */