1 /* dso_vms.c -*- mode:C; c-file-style: "eay" -*- */
2 /* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
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).
63 #include <openssl/dso.h>
65 #ifndef OPENSSL_SYS_VMS
66 DSO_METHOD *DSO_METHOD_vms(void)
72 #pragma message disable DOLLARID
74 #include <lib$routines.h>
80 /* Some compiler options may mask the declaration of "_malloc32". */
81 #if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
82 # if __INITIAL_POINTER_SIZE == 64
83 # pragma pointer_size save
84 # pragma pointer_size 32
85 void * _malloc32 (__size_t);
86 # pragma pointer_size restore
87 # endif /* __INITIAL_POINTER_SIZE == 64 */
88 #endif /* __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE */
91 #pragma message disable DOLLARID
93 static int vms_load(DSO *dso);
94 static int vms_unload(DSO *dso);
95 static void *vms_bind_var(DSO *dso, const char *symname);
96 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
98 static int vms_unbind_var(DSO *dso, char *symname, void *symptr);
99 static int vms_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
100 static int vms_init(DSO *dso);
101 static int vms_finish(DSO *dso);
102 static long vms_ctrl(DSO *dso, int cmd, long larg, void *parg);
104 static char *vms_name_converter(DSO *dso, const char *filename);
105 static char *vms_merger(DSO *dso, const char *filespec1,
106 const char *filespec2);
108 static DSO_METHOD dso_meth_vms = {
109 "OpenSSL 'VMS' shared library method",
114 /* For now, "unbind" doesn't exist */
116 NULL, /* unbind_var */
117 NULL, /* unbind_func */
126 /* On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
127 * on the reference to the file name being the same for all calls regarding
128 * one shared image, so we'll just store it in an instance of the following
129 * structure and put a pointer to that instance in the meth_data stack.
131 typedef struct dso_internal_st
133 /* This should contain the name only, no directory,
134 * no extension, nothing but a name. */
135 struct dsc$descriptor_s filename_dsc;
136 char filename[ NAMX_MAXRSS+ 1];
137 /* This contains whatever is not in filename, if needed.
138 * Normally not defined. */
139 struct dsc$descriptor_s imagename_dsc;
140 char imagename[ NAMX_MAXRSS+ 1];
143 DSO_METHOD *DSO_METHOD_vms(void)
145 return(&dso_meth_vms);
148 static int vms_load(DSO *dso)
151 /* See applicable comments in dso_dl.c */
152 char *filename = DSO_convert_filename(dso, NULL);
154 /* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
155 #if __INITIAL_POINTER_SIZE == 64
156 # define DSO_MALLOC _malloc32
157 # pragma pointer_size save
158 # pragma pointer_size 32
159 #else /* __INITIAL_POINTER_SIZE == 64 */
160 # define DSO_MALLOC OPENSSL_malloc
161 #endif /* __INITIAL_POINTER_SIZE == 64 [else] */
163 DSO_VMS_INTERNAL *p = NULL;
165 #if __INITIAL_POINTER_SIZE == 64
166 # pragma pointer_size restore
167 #endif /* __INITIAL_POINTER_SIZE == 64 */
169 const char *sp1, *sp2; /* Search result */
173 DSOerr(DSO_F_VMS_LOAD,DSO_R_NO_FILENAME);
178 * A file specification may look like this:
180 * node::dev:[dir-spec]name.type;ver
182 * or (for compatibility with TOPS-20):
184 * node::dev:<dir-spec>name.type;ver
186 * and the dir-spec uses '.' as separator. Also, a dir-spec
187 * may consist of several parts, with mixed use of [] and <>:
191 * We need to split the file specification into the name and
192 * the rest (both before and after the name itself).
194 /* Start with trying to find the end of a dir-spec, and save the
195 position of the byte after in sp1 */
196 sp1 = strrchr(filename, ']');
197 sp2 = strrchr(filename, '>');
198 if (sp1 == NULL) sp1 = sp2;
199 if (sp2 != NULL && sp2 > sp1) sp1 = sp2;
200 if (sp1 == NULL) sp1 = strrchr(filename, ':');
204 sp1++; /* The byte after the found character */
205 /* Now, let's see if there's a type, and save the position in sp2 */
206 sp2 = strchr(sp1, '.');
207 /* If we found it, that's where we'll cut. Otherwise, look for a
208 version number and save the position in sp2 */
209 if (sp2 == NULL) sp2 = strchr(sp1, ';');
210 /* If there was still nothing to find, set sp2 to point at the end of
212 if (sp2 == NULL) sp2 = sp1 + strlen(sp1);
214 /* Check that we won't get buffer overflows */
215 if (sp2 - sp1 > FILENAME_MAX
216 || (sp1 - filename) + strlen(sp2) > FILENAME_MAX)
218 DSOerr(DSO_F_VMS_LOAD,DSO_R_FILENAME_TOO_BIG);
222 p = DSO_MALLOC(sizeof(DSO_VMS_INTERNAL));
225 DSOerr(DSO_F_VMS_LOAD,ERR_R_MALLOC_FAILURE);
229 strncpy(p->filename, sp1, sp2-sp1);
230 p->filename[sp2-sp1] = '\0';
232 strncpy(p->imagename, filename, sp1-filename);
233 p->imagename[sp1-filename] = '\0';
234 strcat(p->imagename, sp2);
236 p->filename_dsc.dsc$w_length = strlen(p->filename);
237 p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
238 p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
239 p->filename_dsc.dsc$a_pointer = p->filename;
240 p->imagename_dsc.dsc$w_length = strlen(p->imagename);
241 p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
242 p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
243 p->imagename_dsc.dsc$a_pointer = p->imagename;
245 if(!sk_void_push(dso->meth_data, (char *)p))
247 DSOerr(DSO_F_VMS_LOAD,DSO_R_STACK_ERROR);
251 /* Success (for now, we lie. We actually do not know...) */
252 dso->loaded_filename = filename;
259 OPENSSL_free(filename);
263 /* Note that this doesn't actually unload the shared image, as there is no
264 * such thing in VMS. Next time it get loaded again, a new copy will
265 * actually be loaded.
267 static int vms_unload(DSO *dso)
272 DSOerr(DSO_F_VMS_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
275 if(sk_void_num(dso->meth_data) < 1)
277 p = (DSO_VMS_INTERNAL *)sk_void_pop(dso->meth_data);
280 DSOerr(DSO_F_VMS_UNLOAD,DSO_R_NULL_HANDLE);
288 /* We must do this in a separate function because of the way the exception
289 handler works (it makes this function return */
290 static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
291 struct dsc$descriptor_s *symname_dsc, void **sym,
294 /* Make sure that signals are caught and returned instead of
295 aborting the program. The exception handler gets unestablished
296 automatically on return from this function. */
297 lib$establish(lib$sig_to_ret);
299 if(ptr->imagename_dsc.dsc$w_length)
300 return lib$find_image_symbol(&ptr->filename_dsc,
302 &ptr->imagename_dsc, flags);
304 return lib$find_image_symbol(&ptr->filename_dsc,
309 void vms_bind_sym(DSO *dso, const char *symname, void **sym)
311 DSO_VMS_INTERNAL *ptr;
314 int flags = (1<<4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
315 defined in VMS older than 7.0 or so */
319 struct dsc$descriptor_s symname_dsc;
321 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
322 #if __INITIAL_POINTER_SIZE == 64
323 # define SYMNAME symname_32p
324 # pragma pointer_size save
325 # pragma pointer_size 32
327 # pragma pointer_size restore
328 char symname_32[ NAMX_MAXRSS+ 1];
329 #else /* __INITIAL_POINTER_SIZE == 64 */
330 # define SYMNAME ((char *) symname)
331 #endif /* __INITIAL_POINTER_SIZE == 64 [else] */
335 if((dso == NULL) || (symname == NULL))
337 DSOerr(DSO_F_VMS_BIND_SYM,ERR_R_PASSED_NULL_PARAMETER);
341 #if __INITIAL_POINTER_SIZE == 64
342 /* Copy the symbol name to storage with a 32-bit pointer. */
343 symname_32p = symname_32;
344 strcpy( symname_32p, symname);
345 #endif /* __INITIAL_POINTER_SIZE == 64 [else] */
347 symname_dsc.dsc$w_length = strlen(SYMNAME);
348 symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
349 symname_dsc.dsc$b_class = DSC$K_CLASS_S;
350 symname_dsc.dsc$a_pointer = SYMNAME;
352 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);
361 DSOerr(DSO_F_VMS_BIND_SYM,DSO_R_NULL_HANDLE);
365 if(dso->flags & DSO_FLAG_UPCASE_SYMBOL) flags = 0;
367 status = do_find_symbol(ptr, &symname_dsc, sym, flags);
369 if(!$VMS_STATUS_SUCCESS(status))
371 unsigned short length;
373 struct dsc$descriptor_s errstring_dsc;
375 errstring_dsc.dsc$w_length = sizeof(errstring);
376 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
377 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
378 errstring_dsc.dsc$a_pointer = errstring;
382 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
384 if (!$VMS_STATUS_SUCCESS(status))
385 lib$signal(status); /* This is really bad. Abort! */
388 errstring[length] = '\0';
390 DSOerr(DSO_F_VMS_BIND_SYM,DSO_R_SYM_FAILURE);
391 if (ptr->imagename_dsc.dsc$w_length)
392 ERR_add_error_data(9,
394 " in ", ptr->filename,
395 " (", ptr->imagename, ")",
398 ERR_add_error_data(6,
400 " in ", ptr->filename,
408 static void *vms_bind_var(DSO *dso, const char *symname)
411 vms_bind_sym(dso, symname, &sym);
415 static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
417 DSO_FUNC_TYPE sym = 0;
418 vms_bind_sym(dso, symname, (void **)&sym);
423 static char *vms_merger(DSO *dso, const char *filespec1, const char *filespec2)
426 int filespec1len, filespec2len;
428 struct NAMX_STRUCT nam;
429 char esa[ NAMX_MAXRSS+ 1];
432 /* Arrange 32-bit pointer to (copied) string storage, if needed. */
433 #if __INITIAL_POINTER_SIZE == 64
434 # define FILESPEC1 filespec1_32p;
435 # define FILESPEC2 filespec2_32p;
436 # pragma pointer_size save
437 # pragma pointer_size 32
440 # pragma pointer_size restore
441 char filespec1_32[ NAMX_MAXRSS+ 1];
442 char filespec2_32[ NAMX_MAXRSS+ 1];
443 #else /* __INITIAL_POINTER_SIZE == 64 */
444 # define FILESPEC1 ((char *) filespec1)
445 # define FILESPEC2 ((char *) filespec2)
446 #endif /* __INITIAL_POINTER_SIZE == 64 [else] */
448 if (!filespec1) filespec1 = "";
449 if (!filespec2) filespec2 = "";
450 filespec1len = strlen(filespec1);
451 filespec2len = strlen(filespec2);
453 #if __INITIAL_POINTER_SIZE == 64
454 /* Copy the file names to storage with a 32-bit pointer. */
455 filespec1_32p = filespec1_32;
456 filespec2_32p = filespec2_32;
457 strcpy( filespec1_32p, filespec1);
458 strcpy( filespec2_32p, filespec2);
459 #endif /* __INITIAL_POINTER_SIZE == 64 [else] */
464 FAB_OR_NAML( fab, nam).FAB_OR_NAML_FNA = FILESPEC1;
465 FAB_OR_NAML( fab, nam).FAB_OR_NAML_FNS = filespec1len;
466 FAB_OR_NAML( fab, nam).FAB_OR_NAML_DNA = FILESPEC2;
467 FAB_OR_NAML( fab, nam).FAB_OR_NAML_DNS = filespec2len;
468 NAMX_DNA_FNA_SET( fab)
471 nam.NAMX_ESS = NAMX_MAXRSS;
472 nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD;
473 SET_NAMX_NO_SHORT_UPCASE( nam);
477 status = sys$parse(&fab, 0, 0);
479 if(!$VMS_STATUS_SUCCESS(status))
481 unsigned short length;
483 struct dsc$descriptor_s errstring_dsc;
485 errstring_dsc.dsc$w_length = sizeof(errstring);
486 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
487 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
488 errstring_dsc.dsc$a_pointer = errstring;
490 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
492 if (!$VMS_STATUS_SUCCESS(status))
493 lib$signal(status); /* This is really bad. Abort! */
496 errstring[length] = '\0';
498 DSOerr(DSO_F_VMS_MERGER,DSO_R_FAILURE);
499 ERR_add_error_data(7,
500 "filespec \"", filespec1, "\", ",
501 "defaults \"", filespec2, "\": ",
507 merged = OPENSSL_malloc( nam.NAMX_ESL+ 1);
510 strncpy( merged, nam.NAMX_ESA, nam.NAMX_ESL);
511 merged[ nam.NAMX_ESL] = '\0';
514 DSOerr(DSO_F_VMS_MERGER,
515 ERR_R_MALLOC_FAILURE);
518 static char *vms_name_converter(DSO *dso, const char *filename)
520 int len = strlen(filename);
521 char *not_translated = OPENSSL_malloc(len+1);
522 strcpy(not_translated,filename);
523 return(not_translated);
526 #endif /* OPENSSL_SYS_VMS */