2 * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
12 #ifdef OPENSSL_SYS_VMS
14 # pragma message disable DOLLARID
17 # include <lib$routines.h>
18 # include <libfisdef.h>
22 # include "../vms_rms.h"
24 /* Some compiler options may mask the declaration of "_malloc32". */
25 # if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
26 # if __INITIAL_POINTER_SIZE == 64
27 # pragma pointer_size save
28 # pragma pointer_size 32
29 void *_malloc32(__size_t);
30 # pragma pointer_size restore
31 # endif /* __INITIAL_POINTER_SIZE == 64 */
32 # endif /* __INITIAL_POINTER_SIZE && defined
35 # pragma message disable DOLLARID
37 static int vms_load(DSO *dso);
38 static int vms_unload(DSO *dso);
39 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
40 static char *vms_name_converter(DSO *dso, const char *filename);
41 static char *vms_merger(DSO *dso, const char *filespec1,
42 const char *filespec2);
44 static DSO_METHOD dso_meth_vms = {
45 "OpenSSL 'VMS' shared library method",
57 * On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
58 * on the reference to the file name being the same for all calls regarding
59 * one shared image, so we'll just store it in an instance of the following
60 * structure and put a pointer to that instance in the meth_data stack.
62 typedef struct dso_internal_st {
64 * This should contain the name only, no directory, no extension, nothing
67 struct dsc$descriptor_s filename_dsc;
68 char filename[NAMX_MAXRSS + 1];
70 * This contains whatever is not in filename, if needed. Normally not
73 struct dsc$descriptor_s imagename_dsc;
74 char imagename[NAMX_MAXRSS + 1];
77 DSO_METHOD *DSO_METHOD_openssl(void)
82 static int vms_load(DSO *dso)
85 /* See applicable comments in dso_dl.c */
86 char *filename = DSO_convert_filename(dso, NULL);
88 /* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
89 # if __INITIAL_POINTER_SIZE == 64
90 # define DSO_MALLOC _malloc32
91 # pragma pointer_size save
92 # pragma pointer_size 32
93 # else /* __INITIAL_POINTER_SIZE == 64 */
94 # define DSO_MALLOC OPENSSL_malloc
95 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
97 DSO_VMS_INTERNAL *p = NULL;
99 # if __INITIAL_POINTER_SIZE == 64
100 # pragma pointer_size restore
101 # endif /* __INITIAL_POINTER_SIZE == 64 */
103 const char *sp1, *sp2; /* Search result */
104 const char *ext = NULL; /* possible extension to add */
106 if (filename == NULL) {
107 DSOerr(DSO_F_VMS_LOAD, DSO_R_NO_FILENAME);
112 * A file specification may look like this:
114 * node::dev:[dir-spec]name.type;ver
116 * or (for compatibility with TOPS-20):
118 * node::dev:<dir-spec>name.type;ver
120 * and the dir-spec uses '.' as separator. Also, a dir-spec
121 * may consist of several parts, with mixed use of [] and <>:
125 * We need to split the file specification into the name and
126 * the rest (both before and after the name itself).
129 * Start with trying to find the end of a dir-spec, and save the position
130 * of the byte after in sp1
132 sp1 = strrchr(filename, ']');
133 sp2 = strrchr(filename, '>');
136 if (sp2 != NULL && sp2 > sp1)
139 sp1 = strrchr(filename, ':');
143 sp1++; /* The byte after the found character */
144 /* Now, let's see if there's a type, and save the position in sp2 */
145 sp2 = strchr(sp1, '.');
147 * If there is a period and the next character is a semi-colon,
148 * we need to add an extension
150 if (sp2 != NULL && sp2[1] == ';')
153 * If we found it, that's where we'll cut. Otherwise, look for a version
154 * number and save the position in sp2
157 sp2 = strchr(sp1, ';');
161 * If there was still nothing to find, set sp2 to point at the end of the
165 sp2 = sp1 + strlen(sp1);
167 /* Check that we won't get buffer overflows */
168 if (sp2 - sp1 > FILENAME_MAX
169 || (sp1 - filename) + strlen(sp2) > FILENAME_MAX) {
170 DSOerr(DSO_F_VMS_LOAD, DSO_R_FILENAME_TOO_BIG);
174 p = DSO_MALLOC(sizeof(*p));
176 DSOerr(DSO_F_VMS_LOAD, ERR_R_MALLOC_FAILURE);
180 strncpy(p->filename, sp1, sp2 - sp1);
181 p->filename[sp2 - sp1] = '\0';
183 strncpy(p->imagename, filename, sp1 - filename);
184 p->imagename[sp1 - filename] = '\0';
186 strcat(p->imagename, ext);
190 strcat(p->imagename, sp2);
192 p->filename_dsc.dsc$w_length = strlen(p->filename);
193 p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
194 p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
195 p->filename_dsc.dsc$a_pointer = p->filename;
196 p->imagename_dsc.dsc$w_length = strlen(p->imagename);
197 p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
198 p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
199 p->imagename_dsc.dsc$a_pointer = p->imagename;
201 if (!sk_void_push(dso->meth_data, (char *)p)) {
202 DSOerr(DSO_F_VMS_LOAD, DSO_R_STACK_ERROR);
206 /* Success (for now, we lie. We actually do not know...) */
207 dso->loaded_filename = filename;
212 OPENSSL_free(filename);
217 * Note that this doesn't actually unload the shared image, as there is no
218 * such thing in VMS. Next time it get loaded again, a new copy will
219 * actually be loaded.
221 static int vms_unload(DSO *dso)
225 DSOerr(DSO_F_VMS_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
228 if (sk_void_num(dso->meth_data) < 1)
230 p = (DSO_VMS_INTERNAL *)sk_void_pop(dso->meth_data);
232 DSOerr(DSO_F_VMS_UNLOAD, DSO_R_NULL_HANDLE);
241 * We must do this in a separate function because of the way the exception
242 * handler works (it makes this function return
244 static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
245 struct dsc$descriptor_s *symname_dsc, void **sym,
249 * Make sure that signals are caught and returned instead of aborting the
250 * program. The exception handler gets unestablished automatically on
251 * return from this function.
253 lib$establish(lib$sig_to_ret);
255 if (ptr->imagename_dsc.dsc$w_length)
256 return lib$find_image_symbol(&ptr->filename_dsc,
258 &ptr->imagename_dsc, flags);
260 return lib$find_image_symbol(&ptr->filename_dsc,
261 symname_dsc, sym, 0, flags);
264 # ifndef LIB$M_FIS_MIXEDCASE
265 # define LIB$M_FIS_MIXEDCASE (1 << 4);
267 void vms_bind_sym(DSO *dso, const char *symname, void **sym)
269 DSO_VMS_INTERNAL *ptr;
271 struct dsc$descriptor_s symname_dsc;
273 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
274 # if __INITIAL_POINTER_SIZE == 64
275 # define SYMNAME symname_32p
276 # pragma pointer_size save
277 # pragma pointer_size 32
279 # pragma pointer_size restore
280 char symname_32[NAMX_MAXRSS + 1];
281 # else /* __INITIAL_POINTER_SIZE == 64 */
282 # define SYMNAME ((char *) symname)
283 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
287 if ((dso == NULL) || (symname == NULL)) {
288 DSOerr(DSO_F_VMS_BIND_SYM, ERR_R_PASSED_NULL_PARAMETER);
291 # if __INITIAL_POINTER_SIZE == 64
292 /* Copy the symbol name to storage with a 32-bit pointer. */
293 symname_32p = symname_32;
294 strcpy(symname_32p, symname);
295 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
297 symname_dsc.dsc$w_length = strlen(SYMNAME);
298 symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
299 symname_dsc.dsc$b_class = DSC$K_CLASS_S;
300 symname_dsc.dsc$a_pointer = SYMNAME;
302 if (sk_void_num(dso->meth_data) < 1) {
303 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_STACK_ERROR);
306 ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data,
307 sk_void_num(dso->meth_data) - 1);
309 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_NULL_HANDLE);
313 status = do_find_symbol(ptr, &symname_dsc, sym, LIB$M_FIS_MIXEDCASE);
315 if (!$VMS_STATUS_SUCCESS(status))
316 status = do_find_symbol(ptr, &symname_dsc, sym, 0);
318 if (!$VMS_STATUS_SUCCESS(status)) {
319 unsigned short length;
321 struct dsc$descriptor_s errstring_dsc;
323 errstring_dsc.dsc$w_length = sizeof(errstring);
324 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
325 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
326 errstring_dsc.dsc$a_pointer = errstring;
330 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
332 if (!$VMS_STATUS_SUCCESS(status))
333 lib$signal(status); /* This is really bad. Abort! */
335 errstring[length] = '\0';
337 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_SYM_FAILURE);
338 if (ptr->imagename_dsc.dsc$w_length)
339 ERR_add_error_data(9,
341 " in ", ptr->filename,
342 " (", ptr->imagename, ")",
345 ERR_add_error_data(6,
347 " in ", ptr->filename, ": ", errstring);
354 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
356 DSO_FUNC_TYPE sym = 0;
357 vms_bind_sym(dso, symname, (void **)&sym);
361 static char *vms_merger(DSO *dso, const char *filespec1,
362 const char *filespec2)
365 int filespec1len, filespec2len;
367 struct NAMX_STRUCT nam;
368 char esa[NAMX_MAXRSS + 1];
371 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
372 # if __INITIAL_POINTER_SIZE == 64
373 # define FILESPEC1 filespec1_32p;
374 # define FILESPEC2 filespec2_32p;
375 # pragma pointer_size save
376 # pragma pointer_size 32
379 # pragma pointer_size restore
380 char filespec1_32[NAMX_MAXRSS + 1];
381 char filespec2_32[NAMX_MAXRSS + 1];
382 # else /* __INITIAL_POINTER_SIZE == 64 */
383 # define FILESPEC1 ((char *) filespec1)
384 # define FILESPEC2 ((char *) filespec2)
385 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
391 filespec1len = strlen(filespec1);
392 filespec2len = strlen(filespec2);
394 # if __INITIAL_POINTER_SIZE == 64
395 /* Copy the file names to storage with a 32-bit pointer. */
396 filespec1_32p = filespec1_32;
397 filespec2_32p = filespec2_32;
398 strcpy(filespec1_32p, filespec1);
399 strcpy(filespec2_32p, filespec2);
400 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
405 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNA = FILESPEC1;
406 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNS = filespec1len;
407 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNA = FILESPEC2;
408 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNS = filespec2len;
409 NAMX_DNA_FNA_SET(fab)
412 nam.NAMX_ESS = NAMX_MAXRSS;
413 nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD;
414 SET_NAMX_NO_SHORT_UPCASE(nam);
418 status = sys$parse(&fab, 0, 0);
420 if (!$VMS_STATUS_SUCCESS(status)) {
421 unsigned short length;
423 struct dsc$descriptor_s errstring_dsc;
425 errstring_dsc.dsc$w_length = sizeof(errstring);
426 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
427 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
428 errstring_dsc.dsc$a_pointer = errstring;
430 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
432 if (!$VMS_STATUS_SUCCESS(status))
433 lib$signal(status); /* This is really bad. Abort! */
435 errstring[length] = '\0';
437 DSOerr(DSO_F_VMS_MERGER, DSO_R_FAILURE);
438 ERR_add_error_data(7,
439 "filespec \"", filespec1, "\", ",
440 "defaults \"", filespec2, "\": ", errstring);
445 merged = OPENSSL_malloc(nam.NAMX_ESL + 1);
448 strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL);
449 merged[nam.NAMX_ESL] = '\0';
452 DSOerr(DSO_F_VMS_MERGER, ERR_R_MALLOC_FAILURE);
455 static char *vms_name_converter(DSO *dso, const char *filename)
457 int len = strlen(filename);
458 char *not_translated = OPENSSL_malloc(len + 1);
459 if (not_translated != NULL)
460 strcpy(not_translated, filename);
461 return (not_translated);
464 #endif /* OPENSSL_SYS_VMS */