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cbecb3ac | 1 | /* dso_win32.c -*- mode:C; c-file-style: "eay" -*- */ |
0f113f3e MC |
2 | /* |
3 | * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project | |
4 | * 2000. | |
8f4fac7f GT |
5 | */ |
6 | /* ==================================================================== | |
7 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 14 | * notice, this list of conditions and the following disclaimer. |
8f4fac7f GT |
15 | * |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | * | |
54 | * This product includes cryptographic software written by Eric Young | |
55 | * (eay@cryptsoft.com). This product includes software written by Tim | |
56 | * Hudson (tjh@cryptsoft.com). | |
57 | * | |
58 | */ | |
59 | ||
60 | #include <stdio.h> | |
22a41547 | 61 | #include <string.h> |
b39fc560 | 62 | #include "internal/cryptlib.h" |
8f4fac7f GT |
63 | #include <openssl/dso.h> |
64 | ||
16420007 | 65 | #if !defined(DSO_WIN32) |
8f4fac7f | 66 | DSO_METHOD *DSO_METHOD_win32(void) |
0f113f3e MC |
67 | { |
68 | return NULL; | |
69 | } | |
8f4fac7f GT |
70 | #else |
71 | ||
0f113f3e MC |
72 | # ifdef _WIN32_WCE |
73 | # if _WIN32_WCE < 300 | |
74 | static FARPROC GetProcAddressA(HMODULE hModule, LPCSTR lpProcName) | |
75 | { | |
76 | WCHAR lpProcNameW[64]; | |
77 | int i; | |
78 | ||
79 | for (i = 0; lpProcName[i] && i < 64; i++) | |
80 | lpProcNameW[i] = (WCHAR)lpProcName[i]; | |
81 | if (i == 64) | |
82 | return NULL; | |
83 | lpProcNameW[i] = 0; | |
84 | ||
85 | return GetProcAddressW(hModule, lpProcNameW); | |
86 | } | |
87 | # endif | |
88 | # undef GetProcAddress | |
89 | # define GetProcAddress GetProcAddressA | |
b37fb16d | 90 | |
19bd66fe | 91 | static HINSTANCE LoadLibraryA(LPCSTR lpLibFileName) |
0f113f3e MC |
92 | { |
93 | WCHAR *fnamw; | |
94 | size_t len_0 = strlen(lpLibFileName) + 1, i; | |
95 | ||
96 | # ifdef _MSC_VER | |
97 | fnamw = (WCHAR *)_alloca(len_0 * sizeof(WCHAR)); | |
98 | # else | |
99 | fnamw = (WCHAR *)alloca(len_0 * sizeof(WCHAR)); | |
100 | # endif | |
101 | if (fnamw == NULL) { | |
102 | SetLastError(ERROR_NOT_ENOUGH_MEMORY); | |
103 | return NULL; | |
104 | } | |
105 | # if defined(_WIN32_WCE) && _WIN32_WCE>=101 | |
106 | if (!MultiByteToWideChar(CP_ACP, 0, lpLibFileName, len_0, fnamw, len_0)) | |
107 | # endif | |
108 | for (i = 0; i < len_0; i++) | |
109 | fnamw[i] = (WCHAR)lpLibFileName[i]; | |
110 | ||
111 | return LoadLibraryW(fnamw); | |
112 | } | |
113 | # endif | |
83e68987 | 114 | |
b9e63915 | 115 | /* Part of the hack in "win32_load" ... */ |
0f113f3e | 116 | # define DSO_MAX_TRANSLATED_SIZE 256 |
b9e63915 | 117 | |
51c8dc37 | 118 | static int win32_load(DSO *dso); |
8f4fac7f | 119 | static int win32_unload(DSO *dso); |
e9a68cfb GT |
120 | static void *win32_bind_var(DSO *dso, const char *symname); |
121 | static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname); | |
51c8dc37 | 122 | static char *win32_name_converter(DSO *dso, const char *filename); |
cbecb3ac | 123 | static char *win32_merger(DSO *dso, const char *filespec1, |
0f113f3e MC |
124 | const char *filespec2); |
125 | static int win32_pathbyaddr(void *addr, char *path, int sz); | |
c6cb42e4 | 126 | static void *win32_globallookup(const char *name); |
8f4fac7f | 127 | |
74e3931f DSH |
128 | static const char *openssl_strnchr(const char *string, int c, size_t len); |
129 | ||
8f4fac7f | 130 | static DSO_METHOD dso_meth_win32 = { |
0f113f3e MC |
131 | "OpenSSL 'win32' shared library method", |
132 | win32_load, | |
133 | win32_unload, | |
134 | win32_bind_var, | |
135 | win32_bind_func, | |
0f113f3e MC |
136 | NULL, /* ctrl */ |
137 | win32_name_converter, | |
138 | win32_merger, | |
139 | NULL, /* init */ | |
140 | NULL, /* finish */ | |
141 | win32_pathbyaddr, | |
142 | win32_globallookup | |
143 | }; | |
8f4fac7f GT |
144 | |
145 | DSO_METHOD *DSO_METHOD_win32(void) | |
0f113f3e MC |
146 | { |
147 | return (&dso_meth_win32); | |
148 | } | |
8f4fac7f | 149 | |
0f113f3e MC |
150 | /* |
151 | * For this DSO_METHOD, our meth_data STACK will contain; (i) a pointer to | |
152 | * the handle (HINSTANCE) returned from LoadLibrary(), and copied. | |
8f4fac7f GT |
153 | */ |
154 | ||
51c8dc37 | 155 | static int win32_load(DSO *dso) |
0f113f3e MC |
156 | { |
157 | HINSTANCE h = NULL, *p = NULL; | |
158 | /* See applicable comments from dso_dl.c */ | |
159 | char *filename = DSO_convert_filename(dso, NULL); | |
160 | ||
161 | if (filename == NULL) { | |
162 | DSOerr(DSO_F_WIN32_LOAD, DSO_R_NO_FILENAME); | |
163 | goto err; | |
164 | } | |
165 | h = LoadLibraryA(filename); | |
166 | if (h == NULL) { | |
167 | DSOerr(DSO_F_WIN32_LOAD, DSO_R_LOAD_FAILED); | |
168 | ERR_add_error_data(3, "filename(", filename, ")"); | |
169 | goto err; | |
170 | } | |
b4faea50 | 171 | p = OPENSSL_malloc(sizeof(*p)); |
0f113f3e MC |
172 | if (p == NULL) { |
173 | DSOerr(DSO_F_WIN32_LOAD, ERR_R_MALLOC_FAILURE); | |
174 | goto err; | |
175 | } | |
176 | *p = h; | |
177 | if (!sk_void_push(dso->meth_data, p)) { | |
178 | DSOerr(DSO_F_WIN32_LOAD, DSO_R_STACK_ERROR); | |
179 | goto err; | |
180 | } | |
181 | /* Success */ | |
182 | dso->loaded_filename = filename; | |
183 | return (1); | |
184 | err: | |
185 | /* Cleanup ! */ | |
b548a1f1 RS |
186 | OPENSSL_free(filename); |
187 | OPENSSL_free(p); | |
0f113f3e MC |
188 | if (h != NULL) |
189 | FreeLibrary(h); | |
190 | return (0); | |
191 | } | |
8f4fac7f GT |
192 | |
193 | static int win32_unload(DSO *dso) | |
0f113f3e MC |
194 | { |
195 | HINSTANCE *p; | |
196 | if (dso == NULL) { | |
197 | DSOerr(DSO_F_WIN32_UNLOAD, ERR_R_PASSED_NULL_PARAMETER); | |
198 | return (0); | |
199 | } | |
200 | if (sk_void_num(dso->meth_data) < 1) | |
201 | return (1); | |
202 | p = sk_void_pop(dso->meth_data); | |
203 | if (p == NULL) { | |
204 | DSOerr(DSO_F_WIN32_UNLOAD, DSO_R_NULL_HANDLE); | |
205 | return (0); | |
206 | } | |
207 | if (!FreeLibrary(*p)) { | |
208 | DSOerr(DSO_F_WIN32_UNLOAD, DSO_R_UNLOAD_FAILED); | |
209 | /* | |
210 | * We should push the value back onto the stack in case of a retry. | |
211 | */ | |
212 | sk_void_push(dso->meth_data, p); | |
213 | return (0); | |
214 | } | |
215 | /* Cleanup */ | |
216 | OPENSSL_free(p); | |
217 | return (1); | |
218 | } | |
219 | ||
220 | /* | |
221 | * Using GetProcAddress for variables? TODO: Check this out in the Win32 API | |
222 | * docs, there's probably a variant for variables. | |
223 | */ | |
e9a68cfb | 224 | static void *win32_bind_var(DSO *dso, const char *symname) |
0f113f3e MC |
225 | { |
226 | HINSTANCE *ptr; | |
227 | void *sym; | |
228 | ||
229 | if ((dso == NULL) || (symname == NULL)) { | |
230 | DSOerr(DSO_F_WIN32_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER); | |
231 | return (NULL); | |
232 | } | |
233 | if (sk_void_num(dso->meth_data) < 1) { | |
234 | DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_STACK_ERROR); | |
235 | return (NULL); | |
236 | } | |
237 | ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1); | |
238 | if (ptr == NULL) { | |
239 | DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_NULL_HANDLE); | |
240 | return (NULL); | |
241 | } | |
242 | sym = GetProcAddress(*ptr, symname); | |
243 | if (sym == NULL) { | |
244 | DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_SYM_FAILURE); | |
245 | ERR_add_error_data(3, "symname(", symname, ")"); | |
246 | return (NULL); | |
247 | } | |
248 | return (sym); | |
249 | } | |
e9a68cfb GT |
250 | |
251 | static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname) | |
0f113f3e MC |
252 | { |
253 | HINSTANCE *ptr; | |
254 | void *sym; | |
255 | ||
256 | if ((dso == NULL) || (symname == NULL)) { | |
257 | DSOerr(DSO_F_WIN32_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER); | |
258 | return (NULL); | |
259 | } | |
260 | if (sk_void_num(dso->meth_data) < 1) { | |
261 | DSOerr(DSO_F_WIN32_BIND_FUNC, DSO_R_STACK_ERROR); | |
262 | return (NULL); | |
263 | } | |
264 | ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1); | |
265 | if (ptr == NULL) { | |
266 | DSOerr(DSO_F_WIN32_BIND_FUNC, DSO_R_NULL_HANDLE); | |
267 | return (NULL); | |
268 | } | |
269 | sym = GetProcAddress(*ptr, symname); | |
270 | if (sym == NULL) { | |
271 | DSOerr(DSO_F_WIN32_BIND_FUNC, DSO_R_SYM_FAILURE); | |
272 | ERR_add_error_data(3, "symname(", symname, ")"); | |
273 | return (NULL); | |
274 | } | |
275 | return ((DSO_FUNC_TYPE)sym); | |
276 | } | |
277 | ||
278 | struct file_st { | |
279 | const char *node; | |
280 | int nodelen; | |
281 | const char *device; | |
282 | int devicelen; | |
283 | const char *predir; | |
284 | int predirlen; | |
285 | const char *dir; | |
286 | int dirlen; | |
287 | const char *file; | |
288 | int filelen; | |
289 | }; | |
cbecb3ac RL |
290 | |
291 | static struct file_st *win32_splitter(DSO *dso, const char *filename, | |
0f113f3e MC |
292 | int assume_last_is_dir) |
293 | { | |
294 | struct file_st *result = NULL; | |
295 | enum { IN_NODE, IN_DEVICE, IN_FILE } position; | |
296 | const char *start = filename; | |
297 | char last; | |
298 | ||
299 | if (!filename) { | |
300 | DSOerr(DSO_F_WIN32_SPLITTER, DSO_R_NO_FILENAME); | |
301 | /* | |
302 | * goto err; | |
303 | */ | |
304 | return (NULL); | |
305 | } | |
306 | ||
b51bce94 | 307 | result = OPENSSL_zalloc(sizeof(*result)); |
0f113f3e MC |
308 | if (result == NULL) { |
309 | DSOerr(DSO_F_WIN32_SPLITTER, ERR_R_MALLOC_FAILURE); | |
310 | return (NULL); | |
311 | } | |
312 | ||
0f113f3e MC |
313 | position = IN_DEVICE; |
314 | ||
315 | if ((filename[0] == '\\' && filename[1] == '\\') | |
316 | || (filename[0] == '/' && filename[1] == '/')) { | |
317 | position = IN_NODE; | |
318 | filename += 2; | |
319 | start = filename; | |
320 | result->node = start; | |
321 | } | |
322 | ||
323 | do { | |
324 | last = filename[0]; | |
325 | switch (last) { | |
326 | case ':': | |
327 | if (position != IN_DEVICE) { | |
328 | DSOerr(DSO_F_WIN32_SPLITTER, DSO_R_INCORRECT_FILE_SYNTAX); | |
329 | /* | |
330 | * goto err; | |
331 | */ | |
332 | OPENSSL_free(result); | |
333 | return (NULL); | |
334 | } | |
335 | result->device = start; | |
336 | result->devicelen = (int)(filename - start); | |
337 | position = IN_FILE; | |
338 | start = ++filename; | |
339 | result->dir = start; | |
340 | break; | |
341 | case '\\': | |
342 | case '/': | |
343 | if (position == IN_NODE) { | |
344 | result->nodelen = (int)(filename - start); | |
345 | position = IN_FILE; | |
346 | start = ++filename; | |
347 | result->dir = start; | |
348 | } else if (position == IN_DEVICE) { | |
349 | position = IN_FILE; | |
350 | filename++; | |
351 | result->dir = start; | |
352 | result->dirlen = (int)(filename - start); | |
353 | start = filename; | |
354 | } else { | |
355 | filename++; | |
356 | result->dirlen += (int)(filename - start); | |
357 | start = filename; | |
358 | } | |
359 | break; | |
360 | case '\0': | |
361 | if (position == IN_NODE) { | |
362 | result->nodelen = (int)(filename - start); | |
363 | } else { | |
364 | if (filename - start > 0) { | |
365 | if (assume_last_is_dir) { | |
366 | if (position == IN_DEVICE) { | |
367 | result->dir = start; | |
368 | result->dirlen = 0; | |
369 | } | |
370 | result->dirlen += (int)(filename - start); | |
371 | } else { | |
372 | result->file = start; | |
373 | result->filelen = (int)(filename - start); | |
374 | } | |
375 | } | |
376 | } | |
377 | break; | |
378 | default: | |
379 | filename++; | |
380 | break; | |
381 | } | |
382 | } | |
383 | while (last); | |
384 | ||
385 | if (!result->nodelen) | |
386 | result->node = NULL; | |
387 | if (!result->devicelen) | |
388 | result->device = NULL; | |
389 | if (!result->dirlen) | |
390 | result->dir = NULL; | |
391 | if (!result->filelen) | |
392 | result->file = NULL; | |
393 | ||
394 | return (result); | |
395 | } | |
cbecb3ac | 396 | |
74e3931f | 397 | static char *win32_joiner(DSO *dso, const struct file_st *file_split) |
0f113f3e MC |
398 | { |
399 | int len = 0, offset = 0; | |
400 | char *result = NULL; | |
401 | const char *start; | |
402 | ||
403 | if (!file_split) { | |
404 | DSOerr(DSO_F_WIN32_JOINER, ERR_R_PASSED_NULL_PARAMETER); | |
405 | return (NULL); | |
406 | } | |
407 | if (file_split->node) { | |
408 | len += 2 + file_split->nodelen; /* 2 for starting \\ */ | |
409 | if (file_split->predir || file_split->dir || file_split->file) | |
410 | len++; /* 1 for ending \ */ | |
411 | } else if (file_split->device) { | |
412 | len += file_split->devicelen + 1; /* 1 for ending : */ | |
413 | } | |
414 | len += file_split->predirlen; | |
415 | if (file_split->predir && (file_split->dir || file_split->file)) { | |
416 | len++; /* 1 for ending \ */ | |
417 | } | |
418 | len += file_split->dirlen; | |
419 | if (file_split->dir && file_split->file) { | |
420 | len++; /* 1 for ending \ */ | |
421 | } | |
422 | len += file_split->filelen; | |
423 | ||
424 | if (!len) { | |
425 | DSOerr(DSO_F_WIN32_JOINER, DSO_R_EMPTY_FILE_STRUCTURE); | |
426 | return (NULL); | |
427 | } | |
428 | ||
429 | result = OPENSSL_malloc(len + 1); | |
430 | if (!result) { | |
431 | DSOerr(DSO_F_WIN32_JOINER, ERR_R_MALLOC_FAILURE); | |
432 | return (NULL); | |
433 | } | |
434 | ||
435 | if (file_split->node) { | |
436 | strcpy(&result[offset], "\\\\"); | |
437 | offset += 2; | |
438 | strncpy(&result[offset], file_split->node, file_split->nodelen); | |
439 | offset += file_split->nodelen; | |
440 | if (file_split->predir || file_split->dir || file_split->file) { | |
441 | result[offset] = '\\'; | |
442 | offset++; | |
443 | } | |
444 | } else if (file_split->device) { | |
445 | strncpy(&result[offset], file_split->device, file_split->devicelen); | |
446 | offset += file_split->devicelen; | |
447 | result[offset] = ':'; | |
448 | offset++; | |
449 | } | |
450 | start = file_split->predir; | |
451 | while (file_split->predirlen > (start - file_split->predir)) { | |
452 | const char *end = openssl_strnchr(start, '/', | |
453 | file_split->predirlen - (start - | |
454 | file_split->predir)); | |
455 | if (!end) | |
456 | end = start | |
457 | + file_split->predirlen - (start - file_split->predir); | |
458 | strncpy(&result[offset], start, end - start); | |
459 | offset += (int)(end - start); | |
460 | result[offset] = '\\'; | |
461 | offset++; | |
462 | start = end + 1; | |
463 | } | |
0f113f3e MC |
464 | start = file_split->dir; |
465 | while (file_split->dirlen > (start - file_split->dir)) { | |
466 | const char *end = openssl_strnchr(start, '/', | |
467 | file_split->dirlen - (start - | |
468 | file_split->dir)); | |
469 | if (!end) | |
470 | end = start + file_split->dirlen - (start - file_split->dir); | |
471 | strncpy(&result[offset], start, end - start); | |
472 | offset += (int)(end - start); | |
473 | result[offset] = '\\'; | |
474 | offset++; | |
475 | start = end + 1; | |
476 | } | |
0f113f3e MC |
477 | strncpy(&result[offset], file_split->file, file_split->filelen); |
478 | offset += file_split->filelen; | |
479 | result[offset] = '\0'; | |
480 | return (result); | |
481 | } | |
482 | ||
483 | static char *win32_merger(DSO *dso, const char *filespec1, | |
484 | const char *filespec2) | |
485 | { | |
486 | char *merged = NULL; | |
487 | struct file_st *filespec1_split = NULL; | |
488 | struct file_st *filespec2_split = NULL; | |
489 | ||
490 | if (!filespec1 && !filespec2) { | |
491 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_PASSED_NULL_PARAMETER); | |
492 | return (NULL); | |
493 | } | |
494 | if (!filespec2) { | |
495 | merged = OPENSSL_malloc(strlen(filespec1) + 1); | |
496 | if (!merged) { | |
497 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE); | |
498 | return (NULL); | |
499 | } | |
500 | strcpy(merged, filespec1); | |
501 | } else if (!filespec1) { | |
502 | merged = OPENSSL_malloc(strlen(filespec2) + 1); | |
503 | if (!merged) { | |
504 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE); | |
505 | return (NULL); | |
506 | } | |
507 | strcpy(merged, filespec2); | |
508 | } else { | |
509 | filespec1_split = win32_splitter(dso, filespec1, 0); | |
510 | if (!filespec1_split) { | |
511 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE); | |
512 | return (NULL); | |
513 | } | |
514 | filespec2_split = win32_splitter(dso, filespec2, 1); | |
515 | if (!filespec2_split) { | |
516 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE); | |
517 | OPENSSL_free(filespec1_split); | |
518 | return (NULL); | |
519 | } | |
520 | ||
521 | /* Fill in into filespec1_split */ | |
522 | if (!filespec1_split->node && !filespec1_split->device) { | |
523 | filespec1_split->node = filespec2_split->node; | |
524 | filespec1_split->nodelen = filespec2_split->nodelen; | |
525 | filespec1_split->device = filespec2_split->device; | |
526 | filespec1_split->devicelen = filespec2_split->devicelen; | |
527 | } | |
528 | if (!filespec1_split->dir) { | |
529 | filespec1_split->dir = filespec2_split->dir; | |
530 | filespec1_split->dirlen = filespec2_split->dirlen; | |
531 | } else if (filespec1_split->dir[0] != '\\' | |
532 | && filespec1_split->dir[0] != '/') { | |
533 | filespec1_split->predir = filespec2_split->dir; | |
534 | filespec1_split->predirlen = filespec2_split->dirlen; | |
535 | } | |
536 | if (!filespec1_split->file) { | |
537 | filespec1_split->file = filespec2_split->file; | |
538 | filespec1_split->filelen = filespec2_split->filelen; | |
539 | } | |
540 | ||
541 | merged = win32_joiner(dso, filespec1_split); | |
542 | } | |
543 | OPENSSL_free(filespec1_split); | |
544 | OPENSSL_free(filespec2_split); | |
545 | return (merged); | |
546 | } | |
cbecb3ac | 547 | |
51c8dc37 | 548 | static char *win32_name_converter(DSO *dso, const char *filename) |
0f113f3e MC |
549 | { |
550 | char *translated; | |
551 | int len, transform; | |
552 | ||
553 | len = strlen(filename); | |
554 | transform = ((strstr(filename, "/") == NULL) && | |
555 | (strstr(filename, "\\") == NULL) && | |
556 | (strstr(filename, ":") == NULL)); | |
557 | if (transform) | |
558 | /* We will convert this to "%s.dll" */ | |
559 | translated = OPENSSL_malloc(len + 5); | |
560 | else | |
561 | /* We will simply duplicate filename */ | |
562 | translated = OPENSSL_malloc(len + 1); | |
563 | if (translated == NULL) { | |
564 | DSOerr(DSO_F_WIN32_NAME_CONVERTER, DSO_R_NAME_TRANSLATION_FAILED); | |
565 | return (NULL); | |
566 | } | |
567 | if (transform) | |
568 | sprintf(translated, "%s.dll", filename); | |
569 | else | |
570 | sprintf(translated, "%s", filename); | |
571 | return (translated); | |
572 | } | |
51c8dc37 | 573 | |
74e3931f | 574 | static const char *openssl_strnchr(const char *string, int c, size_t len) |
0f113f3e MC |
575 | { |
576 | size_t i; | |
577 | const char *p; | |
578 | for (i = 0, p = string; i < len && *p; i++, p++) { | |
579 | if (*p == c) | |
580 | return p; | |
581 | } | |
582 | return NULL; | |
583 | } | |
584 | ||
585 | # include <tlhelp32.h> | |
586 | # ifdef _WIN32_WCE | |
587 | # define DLLNAME "TOOLHELP.DLL" | |
588 | # else | |
589 | # ifdef MODULEENTRY32 | |
590 | # undef MODULEENTRY32 /* unmask the ASCII version! */ | |
591 | # endif | |
592 | # define DLLNAME "KERNEL32.DLL" | |
7ed87653 | 593 | # endif |
0f113f3e MC |
594 | |
595 | typedef HANDLE(WINAPI *CREATETOOLHELP32SNAPSHOT) (DWORD, DWORD); | |
596 | typedef BOOL(WINAPI *CLOSETOOLHELP32SNAPSHOT) (HANDLE); | |
597 | typedef BOOL(WINAPI *MODULE32) (HANDLE, MODULEENTRY32 *); | |
598 | ||
599 | static int win32_pathbyaddr(void *addr, char *path, int sz) | |
600 | { | |
601 | HMODULE dll; | |
602 | HANDLE hModuleSnap = INVALID_HANDLE_VALUE; | |
603 | MODULEENTRY32 me32; | |
604 | CREATETOOLHELP32SNAPSHOT create_snap; | |
605 | CLOSETOOLHELP32SNAPSHOT close_snap; | |
606 | MODULE32 module_first, module_next; | |
607 | ||
608 | if (addr == NULL) { | |
609 | union { | |
610 | int (*f) (void *, char *, int); | |
611 | void *p; | |
612 | } t = { | |
613 | win32_pathbyaddr | |
614 | }; | |
615 | addr = t.p; | |
616 | } | |
617 | ||
618 | dll = LoadLibrary(TEXT(DLLNAME)); | |
619 | if (dll == NULL) { | |
620 | DSOerr(DSO_F_WIN32_PATHBYADDR, DSO_R_UNSUPPORTED); | |
621 | return -1; | |
622 | } | |
623 | ||
624 | create_snap = (CREATETOOLHELP32SNAPSHOT) | |
625 | GetProcAddress(dll, "CreateToolhelp32Snapshot"); | |
626 | if (create_snap == NULL) { | |
627 | FreeLibrary(dll); | |
628 | DSOerr(DSO_F_WIN32_PATHBYADDR, DSO_R_UNSUPPORTED); | |
629 | return -1; | |
630 | } | |
631 | /* We take the rest for granted... */ | |
632 | # ifdef _WIN32_WCE | |
633 | close_snap = (CLOSETOOLHELP32SNAPSHOT) | |
634 | GetProcAddress(dll, "CloseToolhelp32Snapshot"); | |
7ed87653 | 635 | # else |
0f113f3e | 636 | close_snap = (CLOSETOOLHELP32SNAPSHOT) CloseHandle; |
7ed87653 | 637 | # endif |
0f113f3e MC |
638 | module_first = (MODULE32) GetProcAddress(dll, "Module32First"); |
639 | module_next = (MODULE32) GetProcAddress(dll, "Module32Next"); | |
640 | ||
641 | hModuleSnap = (*create_snap) (TH32CS_SNAPMODULE, 0); | |
642 | if (hModuleSnap == INVALID_HANDLE_VALUE) { | |
643 | FreeLibrary(dll); | |
644 | DSOerr(DSO_F_WIN32_PATHBYADDR, DSO_R_UNSUPPORTED); | |
645 | return -1; | |
646 | } | |
647 | ||
648 | me32.dwSize = sizeof(me32); | |
649 | ||
650 | if (!(*module_first) (hModuleSnap, &me32)) { | |
651 | (*close_snap) (hModuleSnap); | |
652 | FreeLibrary(dll); | |
653 | DSOerr(DSO_F_WIN32_PATHBYADDR, DSO_R_FAILURE); | |
654 | return -1; | |
655 | } | |
656 | ||
657 | do { | |
658 | if ((BYTE *) addr >= me32.modBaseAddr && | |
659 | (BYTE *) addr < me32.modBaseAddr + me32.modBaseSize) { | |
660 | (*close_snap) (hModuleSnap); | |
661 | FreeLibrary(dll); | |
662 | # ifdef _WIN32_WCE | |
663 | # if _WIN32_WCE >= 101 | |
664 | return WideCharToMultiByte(CP_ACP, 0, me32.szExePath, -1, | |
665 | path, sz, NULL, NULL); | |
666 | # else | |
667 | { | |
668 | int i, len = (int)wcslen(me32.szExePath); | |
669 | if (sz <= 0) | |
670 | return len + 1; | |
671 | if (len >= sz) | |
672 | len = sz - 1; | |
673 | for (i = 0; i < len; i++) | |
674 | path[i] = (char)me32.szExePath[i]; | |
675 | path[len++] = 0; | |
676 | return len; | |
677 | } | |
678 | # endif | |
679 | # else | |
680 | { | |
681 | int len = (int)strlen(me32.szExePath); | |
682 | if (sz <= 0) | |
683 | return len + 1; | |
684 | if (len >= sz) | |
685 | len = sz - 1; | |
686 | memcpy(path, me32.szExePath, len); | |
687 | path[len++] = 0; | |
688 | return len; | |
689 | } | |
690 | # endif | |
691 | } | |
692 | } while ((*module_next) (hModuleSnap, &me32)); | |
693 | ||
694 | (*close_snap) (hModuleSnap); | |
695 | FreeLibrary(dll); | |
696 | return 0; | |
697 | } | |
68b64fb6 | 698 | |
c6cb42e4 | 699 | static void *win32_globallookup(const char *name) |
0f113f3e MC |
700 | { |
701 | HMODULE dll; | |
702 | HANDLE hModuleSnap = INVALID_HANDLE_VALUE; | |
703 | MODULEENTRY32 me32; | |
704 | CREATETOOLHELP32SNAPSHOT create_snap; | |
705 | CLOSETOOLHELP32SNAPSHOT close_snap; | |
706 | MODULE32 module_first, module_next; | |
707 | FARPROC ret = NULL; | |
708 | ||
709 | dll = LoadLibrary(TEXT(DLLNAME)); | |
710 | if (dll == NULL) { | |
711 | DSOerr(DSO_F_WIN32_GLOBALLOOKUP, DSO_R_UNSUPPORTED); | |
712 | return NULL; | |
713 | } | |
714 | ||
715 | create_snap = (CREATETOOLHELP32SNAPSHOT) | |
716 | GetProcAddress(dll, "CreateToolhelp32Snapshot"); | |
717 | if (create_snap == NULL) { | |
718 | FreeLibrary(dll); | |
719 | DSOerr(DSO_F_WIN32_GLOBALLOOKUP, DSO_R_UNSUPPORTED); | |
720 | return NULL; | |
721 | } | |
722 | /* We take the rest for granted... */ | |
723 | # ifdef _WIN32_WCE | |
724 | close_snap = (CLOSETOOLHELP32SNAPSHOT) | |
725 | GetProcAddress(dll, "CloseToolhelp32Snapshot"); | |
726 | # else | |
727 | close_snap = (CLOSETOOLHELP32SNAPSHOT) CloseHandle; | |
728 | # endif | |
729 | module_first = (MODULE32) GetProcAddress(dll, "Module32First"); | |
730 | module_next = (MODULE32) GetProcAddress(dll, "Module32Next"); | |
731 | ||
732 | hModuleSnap = (*create_snap) (TH32CS_SNAPMODULE, 0); | |
733 | if (hModuleSnap == INVALID_HANDLE_VALUE) { | |
734 | FreeLibrary(dll); | |
735 | DSOerr(DSO_F_WIN32_GLOBALLOOKUP, DSO_R_UNSUPPORTED); | |
736 | return NULL; | |
737 | } | |
738 | ||
739 | me32.dwSize = sizeof(me32); | |
740 | ||
741 | if (!(*module_first) (hModuleSnap, &me32)) { | |
742 | (*close_snap) (hModuleSnap); | |
743 | FreeLibrary(dll); | |
744 | return NULL; | |
745 | } | |
746 | ||
747 | do { | |
748 | if ((ret = GetProcAddress(me32.hModule, name))) { | |
749 | (*close_snap) (hModuleSnap); | |
750 | FreeLibrary(dll); | |
751 | return ret; | |
752 | } | |
753 | } while ((*module_next) (hModuleSnap, &me32)); | |
754 | ||
755 | (*close_snap) (hModuleSnap); | |
756 | FreeLibrary(dll); | |
757 | return NULL; | |
758 | } | |
759 | #endif /* DSO_WIN32 */ |