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 #ifdef OPENSSL_SYS_VMS
63 # pragma message disable DOLLARID
66 # include <lib$routines.h>
70 # include "../vms_rms.h"
72 /* Some compiler options may mask the declaration of "_malloc32". */
73 # if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
74 # if __INITIAL_POINTER_SIZE == 64
75 # pragma pointer_size save
76 # pragma pointer_size 32
77 void *_malloc32(__size_t);
78 # pragma pointer_size restore
79 # endif /* __INITIAL_POINTER_SIZE == 64 */
80 # endif /* __INITIAL_POINTER_SIZE && defined
83 # pragma message disable DOLLARID
85 static int vms_load(DSO *dso);
86 static int vms_unload(DSO *dso);
87 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
88 static char *vms_name_converter(DSO *dso, const char *filename);
89 static char *vms_merger(DSO *dso, const char *filespec1,
90 const char *filespec2);
92 static DSO_METHOD dso_meth_vms = {
93 "OpenSSL 'VMS' shared library method",
105 * On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
106 * on the reference to the file name being the same for all calls regarding
107 * one shared image, so we'll just store it in an instance of the following
108 * structure and put a pointer to that instance in the meth_data stack.
110 typedef struct dso_internal_st {
112 * This should contain the name only, no directory, no extension, nothing
115 struct dsc$descriptor_s filename_dsc;
116 char filename[NAMX_MAXRSS + 1];
118 * This contains whatever is not in filename, if needed. Normally not
121 struct dsc$descriptor_s imagename_dsc;
122 char imagename[NAMX_MAXRSS + 1];
125 DSO_METHOD *DSO_METHOD_openssl(void)
127 return &dso_meth_vms;
130 static int vms_load(DSO *dso)
133 /* See applicable comments in dso_dl.c */
134 char *filename = DSO_convert_filename(dso, NULL);
136 /* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
137 # if __INITIAL_POINTER_SIZE == 64
138 # define DSO_MALLOC _malloc32
139 # pragma pointer_size save
140 # pragma pointer_size 32
141 # else /* __INITIAL_POINTER_SIZE == 64 */
142 # define DSO_MALLOC OPENSSL_malloc
143 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
145 DSO_VMS_INTERNAL *p = NULL;
147 # if __INITIAL_POINTER_SIZE == 64
148 # pragma pointer_size restore
149 # endif /* __INITIAL_POINTER_SIZE == 64 */
151 const char *sp1, *sp2; /* Search result */
152 const char *ext = NULL; /* possible extension to add */
154 if (filename == NULL) {
155 DSOerr(DSO_F_VMS_LOAD, DSO_R_NO_FILENAME);
160 * A file specification may look like this:
162 * node::dev:[dir-spec]name.type;ver
164 * or (for compatibility with TOPS-20):
166 * node::dev:<dir-spec>name.type;ver
168 * and the dir-spec uses '.' as separator. Also, a dir-spec
169 * may consist of several parts, with mixed use of [] and <>:
173 * We need to split the file specification into the name and
174 * the rest (both before and after the name itself).
177 * Start with trying to find the end of a dir-spec, and save the position
178 * of the byte after in sp1
180 sp1 = strrchr(filename, ']');
181 sp2 = strrchr(filename, '>');
184 if (sp2 != NULL && sp2 > sp1)
187 sp1 = strrchr(filename, ':');
191 sp1++; /* The byte after the found character */
192 /* Now, let's see if there's a type, and save the position in sp2 */
193 sp2 = strchr(sp1, '.');
195 * If there is a period and the next character is a semi-colon,
196 * we need to add an extension
198 if (sp2 != NULL && sp2[1] == ';')
201 * If we found it, that's where we'll cut. Otherwise, look for a version
202 * number and save the position in sp2
205 sp2 = strchr(sp1, ';');
209 * If there was still nothing to find, set sp2 to point at the end of the
213 sp2 = sp1 + strlen(sp1);
215 /* Check that we won't get buffer overflows */
216 if (sp2 - sp1 > FILENAME_MAX
217 || (sp1 - filename) + strlen(sp2) > FILENAME_MAX) {
218 DSOerr(DSO_F_VMS_LOAD, DSO_R_FILENAME_TOO_BIG);
222 p = DSO_MALLOC(sizeof(*p));
224 DSOerr(DSO_F_VMS_LOAD, ERR_R_MALLOC_FAILURE);
228 strncpy(p->filename, sp1, sp2 - sp1);
229 p->filename[sp2 - sp1] = '\0';
231 strncpy(p->imagename, filename, sp1 - filename);
232 p->imagename[sp1 - filename] = '\0';
234 strcat(p->imagename, ext);
238 strcat(p->imagename, sp2);
240 p->filename_dsc.dsc$w_length = strlen(p->filename);
241 p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
242 p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
243 p->filename_dsc.dsc$a_pointer = p->filename;
244 p->imagename_dsc.dsc$w_length = strlen(p->imagename);
245 p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
246 p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
247 p->imagename_dsc.dsc$a_pointer = p->imagename;
249 if (!sk_void_push(dso->meth_data, (char *)p)) {
250 DSOerr(DSO_F_VMS_LOAD, DSO_R_STACK_ERROR);
254 /* Success (for now, we lie. We actually do not know...) */
255 dso->loaded_filename = filename;
260 OPENSSL_free(filename);
265 * Note that this doesn't actually unload the shared image, as there is no
266 * such thing in VMS. Next time it get loaded again, a new copy will
267 * actually be loaded.
269 static int vms_unload(DSO *dso)
273 DSOerr(DSO_F_VMS_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
276 if (sk_void_num(dso->meth_data) < 1)
278 p = (DSO_VMS_INTERNAL *)sk_void_pop(dso->meth_data);
280 DSOerr(DSO_F_VMS_UNLOAD, DSO_R_NULL_HANDLE);
289 * We must do this in a separate function because of the way the exception
290 * handler works (it makes this function return
292 static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
293 struct dsc$descriptor_s *symname_dsc, void **sym,
297 * Make sure that signals are caught and returned instead of aborting the
298 * program. The exception handler gets unestablished automatically on
299 * return from this function.
301 lib$establish(lib$sig_to_ret);
303 if (ptr->imagename_dsc.dsc$w_length)
304 return lib$find_image_symbol(&ptr->filename_dsc,
306 &ptr->imagename_dsc, flags);
308 return lib$find_image_symbol(&ptr->filename_dsc,
309 symname_dsc, sym, 0, flags);
312 void vms_bind_sym(DSO *dso, const char *symname, void **sym)
314 DSO_VMS_INTERNAL *ptr;
317 int flags = (1 << 4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
318 * defined in VMS older than 7.0 or so */
322 struct dsc$descriptor_s symname_dsc;
324 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
325 # if __INITIAL_POINTER_SIZE == 64
326 # define SYMNAME symname_32p
327 # pragma pointer_size save
328 # pragma pointer_size 32
330 # pragma pointer_size restore
331 char symname_32[NAMX_MAXRSS + 1];
332 # else /* __INITIAL_POINTER_SIZE == 64 */
333 # define SYMNAME ((char *) symname)
334 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
338 if ((dso == NULL) || (symname == NULL)) {
339 DSOerr(DSO_F_VMS_BIND_SYM, ERR_R_PASSED_NULL_PARAMETER);
342 # if __INITIAL_POINTER_SIZE == 64
343 /* Copy the symbol name to storage with a 32-bit pointer. */
344 symname_32p = symname_32;
345 strcpy(symname_32p, symname);
346 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
348 symname_dsc.dsc$w_length = strlen(SYMNAME);
349 symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
350 symname_dsc.dsc$b_class = DSC$K_CLASS_S;
351 symname_dsc.dsc$a_pointer = SYMNAME;
353 if (sk_void_num(dso->meth_data) < 1) {
354 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_STACK_ERROR);
357 ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data,
358 sk_void_num(dso->meth_data) - 1);
360 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_NULL_HANDLE);
364 if (dso->flags & DSO_FLAG_UPCASE_SYMBOL)
367 status = do_find_symbol(ptr, &symname_dsc, sym, flags);
369 if (!$VMS_STATUS_SUCCESS(status)) {
370 unsigned short length;
372 struct dsc$descriptor_s errstring_dsc;
374 errstring_dsc.dsc$w_length = sizeof(errstring);
375 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
376 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
377 errstring_dsc.dsc$a_pointer = errstring;
381 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
383 if (!$VMS_STATUS_SUCCESS(status))
384 lib$signal(status); /* This is really bad. Abort! */
386 errstring[length] = '\0';
388 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_SYM_FAILURE);
389 if (ptr->imagename_dsc.dsc$w_length)
390 ERR_add_error_data(9,
392 " in ", ptr->filename,
393 " (", ptr->imagename, ")",
396 ERR_add_error_data(6,
398 " in ", ptr->filename, ": ", errstring);
405 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
407 DSO_FUNC_TYPE sym = 0;
408 vms_bind_sym(dso, symname, (void **)&sym);
412 static char *vms_merger(DSO *dso, const char *filespec1,
413 const char *filespec2)
416 int filespec1len, filespec2len;
418 struct NAMX_STRUCT nam;
419 char esa[NAMX_MAXRSS + 1];
422 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
423 # if __INITIAL_POINTER_SIZE == 64
424 # define FILESPEC1 filespec1_32p;
425 # define FILESPEC2 filespec2_32p;
426 # pragma pointer_size save
427 # pragma pointer_size 32
430 # pragma pointer_size restore
431 char filespec1_32[NAMX_MAXRSS + 1];
432 char filespec2_32[NAMX_MAXRSS + 1];
433 # else /* __INITIAL_POINTER_SIZE == 64 */
434 # define FILESPEC1 ((char *) filespec1)
435 # define FILESPEC2 ((char *) filespec2)
436 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
442 filespec1len = strlen(filespec1);
443 filespec2len = strlen(filespec2);
445 # if __INITIAL_POINTER_SIZE == 64
446 /* Copy the file names to storage with a 32-bit pointer. */
447 filespec1_32p = filespec1_32;
448 filespec2_32p = filespec2_32;
449 strcpy(filespec1_32p, filespec1);
450 strcpy(filespec2_32p, filespec2);
451 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
456 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNA = FILESPEC1;
457 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNS = filespec1len;
458 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNA = FILESPEC2;
459 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNS = filespec2len;
460 NAMX_DNA_FNA_SET(fab)
463 nam.NAMX_ESS = NAMX_MAXRSS;
464 nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD;
465 SET_NAMX_NO_SHORT_UPCASE(nam);
469 status = sys$parse(&fab, 0, 0);
471 if (!$VMS_STATUS_SUCCESS(status)) {
472 unsigned short length;
474 struct dsc$descriptor_s errstring_dsc;
476 errstring_dsc.dsc$w_length = sizeof(errstring);
477 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
478 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
479 errstring_dsc.dsc$a_pointer = errstring;
481 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
483 if (!$VMS_STATUS_SUCCESS(status))
484 lib$signal(status); /* This is really bad. Abort! */
486 errstring[length] = '\0';
488 DSOerr(DSO_F_VMS_MERGER, DSO_R_FAILURE);
489 ERR_add_error_data(7,
490 "filespec \"", filespec1, "\", ",
491 "defaults \"", filespec2, "\": ", errstring);
496 merged = OPENSSL_malloc(nam.NAMX_ESL + 1);
499 strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL);
500 merged[nam.NAMX_ESL] = '\0';
503 DSOerr(DSO_F_VMS_MERGER, ERR_R_MALLOC_FAILURE);
506 static char *vms_name_converter(DSO *dso, const char *filename)
508 int len = strlen(filename);
509 char *not_translated = OPENSSL_malloc(len + 1);
510 if (not_translated != NULL)
511 strcpy(not_translated, filename);
512 return (not_translated);
515 #endif /* OPENSSL_SYS_VMS */