source: EcnlProtoTool/trunk/openssl-1.1.0e/crypto/dso/dso_vms.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 14.2 KB
Line 
1/*
2 * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10#include "dso_locl.h"
11
12#ifdef OPENSSL_SYS_VMS
13
14# pragma message disable DOLLARID
15# include <errno.h>
16# include <rms.h>
17# include <lib$routines.h>
18# include <libfisdef.h>
19# include <stsdef.h>
20# include <descrip.h>
21# include <starlet.h>
22# include "../vms_rms.h"
23
24/* Some compiler options may mask the declaration of "_malloc32". */
25# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
26# if __INITIAL_POINTER_SIZE == 64
27# pragma pointer_size save
28# pragma pointer_size 32
29void *_malloc32(__size_t);
30# pragma pointer_size restore
31# endif /* __INITIAL_POINTER_SIZE == 64 */
32# endif /* __INITIAL_POINTER_SIZE && defined
33 * _ANSI_C_SOURCE */
34
35# pragma message disable DOLLARID
36
37static int vms_load(DSO *dso);
38static int vms_unload(DSO *dso);
39static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname);
40static char *vms_name_converter(DSO *dso, const char *filename);
41static char *vms_merger(DSO *dso, const char *filespec1,
42 const char *filespec2);
43
44static DSO_METHOD dso_meth_vms = {
45 "OpenSSL 'VMS' shared library method",
46 vms_load,
47 NULL, /* unload */
48 vms_bind_func,
49 NULL, /* ctrl */
50 vms_name_converter,
51 vms_merger,
52 NULL, /* init */
53 NULL, /* finish */
54 NULL, /* pathbyaddr */
55 NULL /* globallookup */
56};
57
58/*
59 * On VMS, the only "handle" is the file name. LIB$FIND_IMAGE_SYMBOL depends
60 * on the reference to the file name being the same for all calls regarding
61 * one shared image, so we'll just store it in an instance of the following
62 * structure and put a pointer to that instance in the meth_data stack.
63 */
64typedef struct dso_internal_st {
65 /*
66 * This should contain the name only, no directory, no extension, nothing
67 * but a name.
68 */
69 struct dsc$descriptor_s filename_dsc;
70 char filename[NAMX_MAXRSS + 1];
71 /*
72 * This contains whatever is not in filename, if needed. Normally not
73 * defined.
74 */
75 struct dsc$descriptor_s imagename_dsc;
76 char imagename[NAMX_MAXRSS + 1];
77} DSO_VMS_INTERNAL;
78
79DSO_METHOD *DSO_METHOD_openssl(void)
80{
81 return &dso_meth_vms;
82}
83
84static int vms_load(DSO *dso)
85{
86 void *ptr = NULL;
87 /* See applicable comments in dso_dl.c */
88 char *filename = DSO_convert_filename(dso, NULL);
89
90/* Ensure 32-bit pointer for "p", and appropriate malloc() function. */
91# if __INITIAL_POINTER_SIZE == 64
92# define DSO_MALLOC _malloc32
93# pragma pointer_size save
94# pragma pointer_size 32
95# else /* __INITIAL_POINTER_SIZE == 64 */
96# define DSO_MALLOC OPENSSL_malloc
97# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
98
99 DSO_VMS_INTERNAL *p = NULL;
100
101# if __INITIAL_POINTER_SIZE == 64
102# pragma pointer_size restore
103# endif /* __INITIAL_POINTER_SIZE == 64 */
104
105 const char *sp1, *sp2; /* Search result */
106 const char *ext = NULL; /* possible extension to add */
107
108 if (filename == NULL) {
109 DSOerr(DSO_F_VMS_LOAD, DSO_R_NO_FILENAME);
110 goto err;
111 }
112
113 /*-
114 * A file specification may look like this:
115 *
116 * node::dev:[dir-spec]name.type;ver
117 *
118 * or (for compatibility with TOPS-20):
119 *
120 * node::dev:<dir-spec>name.type;ver
121 *
122 * and the dir-spec uses '.' as separator. Also, a dir-spec
123 * may consist of several parts, with mixed use of [] and <>:
124 *
125 * [dir1.]<dir2>
126 *
127 * We need to split the file specification into the name and
128 * the rest (both before and after the name itself).
129 */
130 /*
131 * Start with trying to find the end of a dir-spec, and save the position
132 * of the byte after in sp1
133 */
134 sp1 = strrchr(filename, ']');
135 sp2 = strrchr(filename, '>');
136 if (sp1 == NULL)
137 sp1 = sp2;
138 if (sp2 != NULL && sp2 > sp1)
139 sp1 = sp2;
140 if (sp1 == NULL)
141 sp1 = strrchr(filename, ':');
142 if (sp1 == NULL)
143 sp1 = filename;
144 else
145 sp1++; /* The byte after the found character */
146 /* Now, let's see if there's a type, and save the position in sp2 */
147 sp2 = strchr(sp1, '.');
148 /*
149 * If there is a period and the next character is a semi-colon,
150 * we need to add an extension
151 */
152 if (sp2 != NULL && sp2[1] == ';')
153 ext = ".EXE";
154 /*
155 * If we found it, that's where we'll cut. Otherwise, look for a version
156 * number and save the position in sp2
157 */
158 if (sp2 == NULL) {
159 sp2 = strchr(sp1, ';');
160 ext = ".EXE";
161 }
162 /*
163 * If there was still nothing to find, set sp2 to point at the end of the
164 * string
165 */
166 if (sp2 == NULL)
167 sp2 = sp1 + strlen(sp1);
168
169 /* Check that we won't get buffer overflows */
170 if (sp2 - sp1 > FILENAME_MAX
171 || (sp1 - filename) + strlen(sp2) > FILENAME_MAX) {
172 DSOerr(DSO_F_VMS_LOAD, DSO_R_FILENAME_TOO_BIG);
173 goto err;
174 }
175
176 p = DSO_MALLOC(sizeof(*p));
177 if (p == NULL) {
178 DSOerr(DSO_F_VMS_LOAD, ERR_R_MALLOC_FAILURE);
179 goto err;
180 }
181
182 strncpy(p->filename, sp1, sp2 - sp1);
183 p->filename[sp2 - sp1] = '\0';
184
185 strncpy(p->imagename, filename, sp1 - filename);
186 p->imagename[sp1 - filename] = '\0';
187 if (ext) {
188 strcat(p->imagename, ext);
189 if (*sp2 == '.')
190 sp2++;
191 }
192 strcat(p->imagename, sp2);
193
194 p->filename_dsc.dsc$w_length = strlen(p->filename);
195 p->filename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
196 p->filename_dsc.dsc$b_class = DSC$K_CLASS_S;
197 p->filename_dsc.dsc$a_pointer = p->filename;
198 p->imagename_dsc.dsc$w_length = strlen(p->imagename);
199 p->imagename_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
200 p->imagename_dsc.dsc$b_class = DSC$K_CLASS_S;
201 p->imagename_dsc.dsc$a_pointer = p->imagename;
202
203 if (!sk_void_push(dso->meth_data, (char *)p)) {
204 DSOerr(DSO_F_VMS_LOAD, DSO_R_STACK_ERROR);
205 goto err;
206 }
207
208 /* Success (for now, we lie. We actually do not know...) */
209 dso->loaded_filename = filename;
210 return (1);
211 err:
212 /* Cleanup! */
213 OPENSSL_free(p);
214 OPENSSL_free(filename);
215 return (0);
216}
217
218/*
219 * Note that this doesn't actually unload the shared image, as there is no
220 * such thing in VMS. Next time it get loaded again, a new copy will
221 * actually be loaded.
222 */
223static int vms_unload(DSO *dso)
224{
225 DSO_VMS_INTERNAL *p;
226 if (dso == NULL) {
227 DSOerr(DSO_F_VMS_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
228 return (0);
229 }
230 if (sk_void_num(dso->meth_data) < 1)
231 return (1);
232 p = (DSO_VMS_INTERNAL *)sk_void_pop(dso->meth_data);
233 if (p == NULL) {
234 DSOerr(DSO_F_VMS_UNLOAD, DSO_R_NULL_HANDLE);
235 return (0);
236 }
237 /* Cleanup */
238 OPENSSL_free(p);
239 return (1);
240}
241
242/*
243 * We must do this in a separate function because of the way the exception
244 * handler works (it makes this function return
245 */
246static int do_find_symbol(DSO_VMS_INTERNAL *ptr,
247 struct dsc$descriptor_s *symname_dsc, void **sym,
248 unsigned long flags)
249{
250 /*
251 * Make sure that signals are caught and returned instead of aborting the
252 * program. The exception handler gets unestablished automatically on
253 * return from this function.
254 */
255 lib$establish(lib$sig_to_ret);
256
257 if (ptr->imagename_dsc.dsc$w_length)
258 return lib$find_image_symbol(&ptr->filename_dsc,
259 symname_dsc, sym,
260 &ptr->imagename_dsc, flags);
261 else
262 return lib$find_image_symbol(&ptr->filename_dsc,
263 symname_dsc, sym, 0, flags);
264}
265
266void vms_bind_sym(DSO *dso, const char *symname, void **sym)
267{
268 DSO_VMS_INTERNAL *ptr;
269 int status;
270# ifdef LIB$M_FIS_MIXEDCASE
271 int flags = LIB$M_FIS_MIXEDCASE;
272# else
273 int flags = (1 << 4);
274# endif
275 struct dsc$descriptor_s symname_dsc;
276
277/* Arrange 32-bit pointer to (copied) string storage, if needed. */
278# if __INITIAL_POINTER_SIZE == 64
279# define SYMNAME symname_32p
280# pragma pointer_size save
281# pragma pointer_size 32
282 char *symname_32p;
283# pragma pointer_size restore
284 char symname_32[NAMX_MAXRSS + 1];
285# else /* __INITIAL_POINTER_SIZE == 64 */
286# define SYMNAME ((char *) symname)
287# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
288
289 *sym = NULL;
290
291 if ((dso == NULL) || (symname == NULL)) {
292 DSOerr(DSO_F_VMS_BIND_SYM, ERR_R_PASSED_NULL_PARAMETER);
293 return;
294 }
295# if __INITIAL_POINTER_SIZE == 64
296 /* Copy the symbol name to storage with a 32-bit pointer. */
297 symname_32p = symname_32;
298 strcpy(symname_32p, symname);
299# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
300
301 symname_dsc.dsc$w_length = strlen(SYMNAME);
302 symname_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
303 symname_dsc.dsc$b_class = DSC$K_CLASS_S;
304 symname_dsc.dsc$a_pointer = SYMNAME;
305
306 if (sk_void_num(dso->meth_data) < 1) {
307 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_STACK_ERROR);
308 return;
309 }
310 ptr = (DSO_VMS_INTERNAL *)sk_void_value(dso->meth_data,
311 sk_void_num(dso->meth_data) - 1);
312 if (ptr == NULL) {
313 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_NULL_HANDLE);
314 return;
315 }
316
317 if (dso->flags & DSO_FLAG_UPCASE_SYMBOL)
318 flags = 0;
319
320 status = do_find_symbol(ptr, &symname_dsc, sym, flags);
321
322 if (!$VMS_STATUS_SUCCESS(status)) {
323 unsigned short length;
324 char errstring[257];
325 struct dsc$descriptor_s errstring_dsc;
326
327 errstring_dsc.dsc$w_length = sizeof(errstring);
328 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
329 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
330 errstring_dsc.dsc$a_pointer = errstring;
331
332 *sym = NULL;
333
334 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
335
336 if (!$VMS_STATUS_SUCCESS(status))
337 lib$signal(status); /* This is really bad. Abort! */
338 else {
339 errstring[length] = '\0';
340
341 DSOerr(DSO_F_VMS_BIND_SYM, DSO_R_SYM_FAILURE);
342 if (ptr->imagename_dsc.dsc$w_length)
343 ERR_add_error_data(9,
344 "Symbol ", symname,
345 " in ", ptr->filename,
346 " (", ptr->imagename, ")",
347 ": ", errstring);
348 else
349 ERR_add_error_data(6,
350 "Symbol ", symname,
351 " in ", ptr->filename, ": ", errstring);
352 }
353 return;
354 }
355 return;
356}
357
358static DSO_FUNC_TYPE vms_bind_func(DSO *dso, const char *symname)
359{
360 DSO_FUNC_TYPE sym = 0;
361 vms_bind_sym(dso, symname, (void **)&sym);
362 return sym;
363}
364
365static char *vms_merger(DSO *dso, const char *filespec1,
366 const char *filespec2)
367{
368 int status;
369 int filespec1len, filespec2len;
370 struct FAB fab;
371 struct NAMX_STRUCT nam;
372 char esa[NAMX_MAXRSS + 1];
373 char *merged;
374
375/* Arrange 32-bit pointer to (copied) string storage, if needed. */
376# if __INITIAL_POINTER_SIZE == 64
377# define FILESPEC1 filespec1_32p;
378# define FILESPEC2 filespec2_32p;
379# pragma pointer_size save
380# pragma pointer_size 32
381 char *filespec1_32p;
382 char *filespec2_32p;
383# pragma pointer_size restore
384 char filespec1_32[NAMX_MAXRSS + 1];
385 char filespec2_32[NAMX_MAXRSS + 1];
386# else /* __INITIAL_POINTER_SIZE == 64 */
387# define FILESPEC1 ((char *) filespec1)
388# define FILESPEC2 ((char *) filespec2)
389# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
390
391 if (!filespec1)
392 filespec1 = "";
393 if (!filespec2)
394 filespec2 = "";
395 filespec1len = strlen(filespec1);
396 filespec2len = strlen(filespec2);
397
398# if __INITIAL_POINTER_SIZE == 64
399 /* Copy the file names to storage with a 32-bit pointer. */
400 filespec1_32p = filespec1_32;
401 filespec2_32p = filespec2_32;
402 strcpy(filespec1_32p, filespec1);
403 strcpy(filespec2_32p, filespec2);
404# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
405
406 fab = cc$rms_fab;
407 nam = CC_RMS_NAMX;
408
409 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNA = FILESPEC1;
410 FAB_OR_NAML(fab, nam).FAB_OR_NAML_FNS = filespec1len;
411 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNA = FILESPEC2;
412 FAB_OR_NAML(fab, nam).FAB_OR_NAML_DNS = filespec2len;
413 NAMX_DNA_FNA_SET(fab)
414
415 nam.NAMX_ESA = esa;
416 nam.NAMX_ESS = NAMX_MAXRSS;
417 nam.NAMX_NOP = NAM$M_SYNCHK | NAM$M_PWD;
418 SET_NAMX_NO_SHORT_UPCASE(nam);
419
420 fab.FAB_NAMX = &nam;
421
422 status = sys$parse(&fab, 0, 0);
423
424 if (!$VMS_STATUS_SUCCESS(status)) {
425 unsigned short length;
426 char errstring[257];
427 struct dsc$descriptor_s errstring_dsc;
428
429 errstring_dsc.dsc$w_length = sizeof(errstring);
430 errstring_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
431 errstring_dsc.dsc$b_class = DSC$K_CLASS_S;
432 errstring_dsc.dsc$a_pointer = errstring;
433
434 status = sys$getmsg(status, &length, &errstring_dsc, 1, 0);
435
436 if (!$VMS_STATUS_SUCCESS(status))
437 lib$signal(status); /* This is really bad. Abort! */
438 else {
439 errstring[length] = '\0';
440
441 DSOerr(DSO_F_VMS_MERGER, DSO_R_FAILURE);
442 ERR_add_error_data(7,
443 "filespec \"", filespec1, "\", ",
444 "defaults \"", filespec2, "\": ", errstring);
445 }
446 return (NULL);
447 }
448
449 merged = OPENSSL_malloc(nam.NAMX_ESL + 1);
450 if (merged == NULL)
451 goto malloc_err;
452 strncpy(merged, nam.NAMX_ESA, nam.NAMX_ESL);
453 merged[nam.NAMX_ESL] = '\0';
454 return (merged);
455 malloc_err:
456 DSOerr(DSO_F_VMS_MERGER, ERR_R_MALLOC_FAILURE);
457}
458
459static char *vms_name_converter(DSO *dso, const char *filename)
460{
461 int len = strlen(filename);
462 char *not_translated = OPENSSL_malloc(len + 1);
463 if (not_translated != NULL)
464 strcpy(not_translated, filename);
465 return (not_translated);
466}
467
468#endif /* OPENSSL_SYS_VMS */
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