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 void vms_bind_sym(DSO *dso, const char *symname, void **sym)
266 DSO_VMS_INTERNAL *ptr;
268 # ifdef LIB$M_FIS_MIXEDCASE
269 int flags = LIB$M_FIS_MIXEDCASE;
271 int flags = (1 << 4);
273 struct dsc$descriptor_s symname_dsc;
275 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
276 # if __INITIAL_POINTER_SIZE == 64
277 # define SYMNAME symname_32p
278 # pragma pointer_size save
279 # pragma pointer_size 32
281 # pragma pointer_size restore
282 char symname_32[NAMX_MAXRSS + 1];
283 # else /* __INITIAL_POINTER_SIZE == 64 */
284 # define SYMNAME ((char *) symname)
285 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
289 if ((dso == NULL) || (symname == NULL)) {
290 DSOerr(DSO_F_VMS_BIND_SYM, ERR_R_PASSED_NULL_PARAMETER);
293 # if __INITIAL_POINTER_SIZE == 64
294 /* Copy the symbol name to storage with a 32-bit pointer. */
295 symname_32p = symname_32;
296 strcpy(symname_32p, symname);
297 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
299 symname_dsc.dsc$w_length = strlen(SYMNAME);
300 symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
301 symname_dsc.dsc$b_class = DSC$K_CLASS_S;
302 symname_dsc.dsc$a_pointer = SYMNAME;
304 if (sk_void_num(dso->meth_data) < 1) {
305 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_STACK_ERROR);
308 ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data,
309 sk_void_num(dso->meth_data) - 1);
311 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_NULL_HANDLE);
315 if (dso->flags & DSO_FLAG_UPCASE_SYMBOL)
318 status = do_find_symbol(ptr, &symname_dsc, sym, flags);
320 if (!$VMS_STATUS_SUCCESS(status)) {
321 unsigned short length;
323 struct dsc$descriptor_s errstring_dsc;
325 errstring_dsc.dsc$w_length = sizeof(errstring);
326 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
327 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
328 errstring_dsc.dsc$a_pointer = errstring;
332 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
334 if (!$VMS_STATUS_SUCCESS(status))
335 lib$signal(status); /* This is really bad. Abort! */
337 errstring[length] = '\0';
339 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_SYM_FAILURE);
340 if (ptr->imagename_dsc.dsc$w_length)
341 ERR_add_error_data(9,
343 " in ", ptr->filename,
344 " (", ptr->imagename, ")",
347 ERR_add_error_data(6,
349 " in ", ptr->filename, ": ", errstring);
356 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
358 DSO_FUNC_TYPE sym = 0;
359 vms_bind_sym(dso, symname, (void **)&sym);
363 static char *vms_merger(DSO *dso, const char *filespec1,
364 const char *filespec2)
367 int filespec1len, filespec2len;
369 struct NAMX_STRUCT nam;
370 char esa[NAMX_MAXRSS + 1];
373 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
374 # if __INITIAL_POINTER_SIZE == 64
375 # define FILESPEC1 filespec1_32p;
376 # define FILESPEC2 filespec2_32p;
377 # pragma pointer_size save
378 # pragma pointer_size 32
381 # pragma pointer_size restore
382 char filespec1_32[NAMX_MAXRSS + 1];
383 char filespec2_32[NAMX_MAXRSS + 1];
384 # else /* __INITIAL_POINTER_SIZE == 64 */
385 # define FILESPEC1 ((char *) filespec1)
386 # define FILESPEC2 ((char *) filespec2)
387 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
393 filespec1len = strlen(filespec1);
394 filespec2len = strlen(filespec2);
396 # if __INITIAL_POINTER_SIZE == 64
397 /* Copy the file names to storage with a 32-bit pointer. */
398 filespec1_32p = filespec1_32;
399 filespec2_32p = filespec2_32;
400 strcpy(filespec1_32p, filespec1);
401 strcpy(filespec2_32p, filespec2);
402 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
407 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNA = FILESPEC1;
408 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNS = filespec1len;
409 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNA = FILESPEC2;
410 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNS = filespec2len;
411 NAMX_DNA_FNA_SET(fab)
414 nam.NAMX_ESS = NAMX_MAXRSS;
415 nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD;
416 SET_NAMX_NO_SHORT_UPCASE(nam);
420 status = sys$parse(&fab, 0, 0);
422 if (!$VMS_STATUS_SUCCESS(status)) {
423 unsigned short length;
425 struct dsc$descriptor_s errstring_dsc;
427 errstring_dsc.dsc$w_length = sizeof(errstring);
428 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
429 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
430 errstring_dsc.dsc$a_pointer = errstring;
432 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
434 if (!$VMS_STATUS_SUCCESS(status))
435 lib$signal(status); /* This is really bad. Abort! */
437 errstring[length] = '\0';
439 DSOerr(DSO_F_VMS_MERGER, DSO_R_FAILURE);
440 ERR_add_error_data(7,
441 "filespec \"", filespec1, "\", ",
442 "defaults \"", filespec2, "\": ", errstring);
447 merged = OPENSSL_malloc(nam.NAMX_ESL + 1);
450 strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL);
451 merged[nam.NAMX_ESL] = '\0';
454 DSOerr(DSO_F_VMS_MERGER, ERR_R_MALLOC_FAILURE);
457 static char *vms_name_converter(DSO *dso, const char *filename)
459 int len = strlen(filename);
460 char *not_translated = OPENSSL_malloc(len + 1);
461 if (not_translated != NULL)
462 strcpy(not_translated, filename);
463 return (not_translated);
466 #endif /* OPENSSL_SYS_VMS */