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>
64 #ifdef OPENSSL_SYS_VMS
65 #pragma message disable DOLLARID
67 #include <lib$routines.h>
73 #ifndef OPENSSL_SYS_VMS
74 DSO_METHOD
*DSO_METHOD_vms(void)
79 #pragma message disable DOLLARID
81 static int vms_load(DSO
*dso
);
82 static int vms_unload(DSO
*dso
);
83 static void *vms_bind_var(DSO
*dso
, const char *symname
);
84 static DSO_FUNC_TYPE
vms_bind_func(DSO
*dso
, const char *symname
);
86 static int vms_unbind_var(DSO
*dso
, char *symname
, void *symptr
);
87 static int vms_unbind_func(DSO
*dso
, char *symname
, DSO_FUNC_TYPE symptr
);
88 static int vms_init(DSO
*dso
);
89 static int vms_finish(DSO
*dso
);
90 static long vms_ctrl(DSO
*dso
, int cmd
, long larg
, void *parg
);
92 static char *vms_name_converter(DSO
*dso
, const char *filename
);
93 static char *vms_merger(DSO
*dso
, const char *filespec1
,
94 const char *filespec2
);
96 static DSO_METHOD dso_meth_vms
= {
97 "OpenSSL 'VMS' shared library method",
102 /* For now, "unbind" doesn't exist */
104 NULL
, /* unbind_var */
105 NULL
, /* unbind_func */
114 /* On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
115 * on the reference to the file name being the same for all calls regarding
116 * one shared image, so we'll just store it in an instance of the following
117 * structure and put a pointer to that instance in the meth_data stack.
119 typedef struct dso_internal_st
121 /* This should contain the name only, no directory,
122 * no extension, nothing but a name. */
123 struct dsc$descriptor_s filename_dsc
;
124 char filename
[FILENAME_MAX
+1];
125 /* This contains whatever is not in filename, if needed.
126 * Normally not defined. */
127 struct dsc$descriptor_s imagename_dsc
;
128 char imagename
[FILENAME_MAX
+1];
132 DSO_METHOD
*DSO_METHOD_vms(void)
134 return(&dso_meth_vms
);
137 static int vms_load(DSO
*dso
)
140 /* See applicable comments in dso_dl.c */
141 char *filename
= DSO_convert_filename(dso
, NULL
);
143 const char *sp1
, *sp2
; /* Search result */
147 DSOerr(DSO_F_VMS_LOAD
,DSO_R_NO_FILENAME
);
151 /* A file specification may look like this:
153 * node::dev:[dir-spec]name.type;ver
155 * or (for compatibility with TOPS-20):
157 * node::dev:<dir-spec>name.type;ver
159 * and the dir-spec uses '.' as separator. Also, a dir-spec
160 * may consist of several parts, with mixed use of [] and <>:
164 * We need to split the file specification into the name and
165 * the rest (both before and after the name itself).
167 /* Start with trying to find the end of a dir-spec, and save the
168 position of the byte after in sp1 */
169 sp1
= strrchr(filename
, ']');
170 sp2
= strrchr(filename
, '>');
171 if (sp1
== NULL
) sp1
= sp2
;
172 if (sp2
!= NULL
&& sp2
> sp1
) sp1
= sp2
;
173 if (sp1
== NULL
) sp1
= strrchr(filename
, ':');
177 sp1
++; /* The byte after the found character */
178 /* Now, let's see if there's a type, and save the position in sp2 */
179 sp2
= strchr(sp1
, '.');
180 /* If we found it, that's where we'll cut. Otherwise, look for a
181 version number and save the position in sp2 */
182 if (sp2
== NULL
) sp2
= strchr(sp1
, ';');
183 /* If there was still nothing to find, set sp2 to point at the end of
185 if (sp2
== NULL
) sp2
= sp1
+ strlen(sp1
);
187 /* Check that we won't get buffer overflows */
188 if (sp2
- sp1
> FILENAME_MAX
189 || (sp1
- filename
) + strlen(sp2
) > FILENAME_MAX
)
191 DSOerr(DSO_F_VMS_LOAD
,DSO_R_FILENAME_TOO_BIG
);
195 p
= (DSO_VMS_INTERNAL
*)OPENSSL_malloc(sizeof(DSO_VMS_INTERNAL
));
198 DSOerr(DSO_F_VMS_LOAD
,ERR_R_MALLOC_FAILURE
);
202 strncpy(p
->filename
, sp1
, sp2
-sp1
);
203 p
->filename
[sp2
-sp1
] = '\0';
205 strncpy(p
->imagename
, filename
, sp1
-filename
);
206 p
->imagename
[sp1
-filename
] = '\0';
207 strcat(p
->imagename
, sp2
);
209 p
->filename_dsc
.dsc$w_length
= strlen(p
->filename
);
210 p
->filename_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
211 p
->filename_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
212 p
->filename_dsc
.dsc$a_pointer
= p
->filename
;
213 p
->imagename_dsc
.dsc$w_length
= strlen(p
->imagename
);
214 p
->imagename_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
215 p
->imagename_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
216 p
->imagename_dsc
.dsc$a_pointer
= p
->imagename
;
218 if(!sk_push(dso
->meth_data
, (char *)p
))
220 DSOerr(DSO_F_VMS_LOAD
,DSO_R_STACK_ERROR
);
224 /* Success (for now, we lie. We actually do not know...) */
225 dso
->loaded_filename
= filename
;
232 OPENSSL_free(filename
);
236 /* Note that this doesn't actually unload the shared image, as there is no
237 * such thing in VMS. Next time it get loaded again, a new copy will
238 * actually be loaded.
240 static int vms_unload(DSO
*dso
)
245 DSOerr(DSO_F_VMS_UNLOAD
,ERR_R_PASSED_NULL_PARAMETER
);
248 if(sk_num(dso
->meth_data
) < 1)
250 p
= (DSO_VMS_INTERNAL
*)sk_pop(dso
->meth_data
);
253 DSOerr(DSO_F_VMS_UNLOAD
,DSO_R_NULL_HANDLE
);
261 /* We must do this in a separate function because of the way the exception
262 handler works (it makes this function return */
263 static int do_find_symbol(DSO_VMS_INTERNAL
*ptr
,
264 struct dsc$descriptor_s
*symname_dsc
, void **sym
,
267 /* Make sure that signals are caught and returned instead of
268 aborting the program. The exception handler gets unestablished
269 automatically on return from this function. */
270 lib$
establish(lib$sig_to_ret
);
272 if(ptr
->imagename_dsc
.dsc$w_length
)
273 return lib$
find_image_symbol(&ptr
->filename_dsc
,
275 &ptr
->imagename_dsc
, flags
);
277 return lib$
find_image_symbol(&ptr
->filename_dsc
,
282 void vms_bind_sym(DSO
*dso
, const char *symname
, void **sym
)
284 DSO_VMS_INTERNAL
*ptr
;
287 int flags
= (1<<4); /* LIB$M_FIS_MIXEDCASE, but this symbol isn't
288 defined in VMS older than 7.0 or so */
292 struct dsc$descriptor_s symname_dsc
;
295 symname_dsc
.dsc$w_length
= strlen(symname
);
296 symname_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
297 symname_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
298 symname_dsc
.dsc$a_pointer
= (char *)symname
; /* The cast is needed */
300 if((dso
== NULL
) || (symname
== NULL
))
302 DSOerr(DSO_F_VMS_BIND_SYM
,ERR_R_PASSED_NULL_PARAMETER
);
305 if(sk_num(dso
->meth_data
) < 1)
307 DSOerr(DSO_F_VMS_BIND_SYM
,DSO_R_STACK_ERROR
);
310 ptr
= (DSO_VMS_INTERNAL
*)sk_value(dso
->meth_data
,
311 sk_num(dso
->meth_data
) - 1);
314 DSOerr(DSO_F_VMS_BIND_SYM
,DSO_R_NULL_HANDLE
);
318 if(dso
->flags
& DSO_FLAG_UPCASE_SYMBOL
) flags
= 0;
320 status
= do_find_symbol(ptr
, &symname_dsc
, sym
, flags
);
322 if(!$
VMS_STATUS_SUCCESS(status
))
324 unsigned short length
;
326 struct dsc$descriptor_s errstring_dsc
;
328 errstring_dsc
.dsc$w_length
= sizeof(errstring
);
329 errstring_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
330 errstring_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
331 errstring_dsc
.dsc$a_pointer
= errstring
;
335 status
= sys$
getmsg(status
, &length
, &errstring_dsc
, 1, 0);
337 if (!$
VMS_STATUS_SUCCESS(status
))
338 lib$
signal(status
); /* This is really bad. Abort! */
341 errstring
[length
] = '\0';
343 DSOerr(DSO_F_VMS_BIND_SYM
,DSO_R_SYM_FAILURE
);
344 if (ptr
->imagename_dsc
.dsc$w_length
)
345 ERR_add_error_data(9,
347 " in ", ptr
->filename
,
348 " (", ptr
->imagename
, ")",
351 ERR_add_error_data(6,
353 " in ", ptr
->filename
,
361 static void *vms_bind_var(DSO
*dso
, const char *symname
)
364 vms_bind_sym(dso
, symname
, &sym
);
368 static DSO_FUNC_TYPE
vms_bind_func(DSO
*dso
, const char *symname
)
370 DSO_FUNC_TYPE sym
= 0;
371 vms_bind_sym(dso
, symname
, (void **)&sym
);
375 static char *vms_merger(DSO
*dso
, const char *filespec1
, const char *filespec2
)
378 int filespec1len
, filespec2len
;
382 char esa
[NAML$C_MAXRSS
];
385 char esa
[NAM$C_MAXRSS
];
389 if (!filespec1
) filespec1
= "";
390 if (!filespec2
) filespec2
= "";
391 filespec1len
= strlen(filespec1
);
392 filespec2len
= strlen(filespec2
);
401 fab
.fab$l_fna
= (char *)filespec1
;
402 fab
.fab$b_fns
= filespec1len
;
403 fab
.fab$l_dna
= (char *)filespec2
;
404 fab
.fab$b_dns
= filespec2len
;
406 if (filespec1len
> NAM$C_MAXRSS
)
410 nam
.naml$l_long_filename
= (char *)filespec1
;
411 nam
.naml$l_long_filename_size
= filespec1len
;
413 if (filespec2len
> NAM$C_MAXRSS
)
417 nam
.naml$l_long_defname
= (char *)filespec2
;
418 nam
.naml$l_long_defname_size
= filespec2len
;
420 nam
.naml$l_esa
= esa
;
421 nam
.naml$b_ess
= NAM$C_MAXRSS
;
422 nam
.naml$l_long_expand
= esa
;
423 nam
.naml$l_long_expand_alloc
= sizeof(esa
);
424 nam
.naml$b_nop
= NAM$M_SYNCHK
| NAM$M_PWD
;
425 nam
.naml$v_no_short_upcase
= 1;
426 fab
.fab$l_naml
= &nam
;
429 nam
.nam$b_ess
= NAM$C_MAXRSS
;
430 nam
.nam$b_nop
= NAM$M_SYNCHK
| NAM$M_PWD
;
431 fab
.fab$l_nam
= &nam
;
434 status
= sys$
parse(&fab
, 0, 0);
436 if(!$
VMS_STATUS_SUCCESS(status
))
438 unsigned short length
;
440 struct dsc$descriptor_s errstring_dsc
;
442 errstring_dsc
.dsc$w_length
= sizeof(errstring
);
443 errstring_dsc
.dsc$b_dtype
= DSC$K_DTYPE_T
;
444 errstring_dsc
.dsc$b_class
= DSC$K_CLASS_S
;
445 errstring_dsc
.dsc$a_pointer
= errstring
;
447 status
= sys$
getmsg(status
, &length
, &errstring_dsc
, 1, 0);
449 if (!$
VMS_STATUS_SUCCESS(status
))
450 lib$
signal(status
); /* This is really bad. Abort! */
453 errstring
[length
] = '\0';
455 DSOerr(DSO_F_VMS_MERGER
,DSO_R_FAILURE
);
456 ERR_add_error_data(7,
457 "filespec \"", filespec1
, "\", ",
458 "defaults \"", filespec2
, "\": ",
464 if (nam
.naml$l_long_expand_size
)
466 merged
= OPENSSL_malloc(nam
.naml$l_long_expand_size
+ 1);
469 strncpy(merged
, nam
.naml$l_long_expand
,
470 nam
.naml$l_long_expand_size
);
471 merged
[nam
.naml$l_long_expand_size
] = '\0';
475 merged
= OPENSSL_malloc(nam
.naml$b_esl
+ 1);
478 strncpy(merged
, nam
.naml$l_esa
,
480 merged
[nam
.naml$b_esl
] = '\0';
483 merged
= OPENSSL_malloc(nam
.nam$b_esl
+ 1);
486 strncpy(merged
, nam
.nam$l_esa
,
488 merged
[nam
.nam$b_esl
] = '\0';
492 DSOerr(DSO_F_VMS_MERGER
,
493 ERR_R_MALLOC_FAILURE
);
496 static char *vms_name_converter(DSO
*dso
, const char *filename
)
498 int len
= strlen(filename
);
499 char *not_translated
= OPENSSL_malloc(len
+1);
500 strcpy(not_translated
,filename
);
501 return(not_translated
);
504 #endif /* OPENSSL_SYS_VMS */