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cbecb3ac | 1 | /* dso_win32.c -*- mode:C; c-file-style: "eay" -*- */ |
40720ce3 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 | |
40720ce3 | 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> |
8f4fac7f GT |
62 | #include "cryptlib.h" |
63 | #include <openssl/dso.h> | |
64 | ||
16420007 | 65 | #if !defined(DSO_WIN32) |
8f4fac7f | 66 | DSO_METHOD *DSO_METHOD_win32(void) |
40720ce3 MC |
67 | { |
68 | return NULL; | |
69 | } | |
8f4fac7f GT |
70 | #else |
71 | ||
40720ce3 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 | |
67865069 | 90 | |
2d54cc69 | 91 | static HINSTANCE LoadLibraryA(LPCSTR lpLibFileName) |
40720ce3 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 | return NULL; | |
103 | ||
104 | # if defined(_WIN32_WCE) && _WIN32_WCE>=101 | |
105 | if (!MultiByteToWideChar(CP_ACP, 0, lpLibFileName, len_0, fnamw, len_0)) | |
106 | # endif | |
107 | for (i = 0; i < len_0; i++) | |
108 | fnamw[i] = (WCHAR)lpLibFileName[i]; | |
109 | ||
110 | return LoadLibraryW(fnamw); | |
111 | } | |
112 | # endif | |
beae6324 | 113 | |
b9e63915 | 114 | /* Part of the hack in "win32_load" ... */ |
40720ce3 | 115 | # define DSO_MAX_TRANSLATED_SIZE 256 |
b9e63915 | 116 | |
51c8dc37 | 117 | static int win32_load(DSO *dso); |
8f4fac7f | 118 | static int win32_unload(DSO *dso); |
e9a68cfb GT |
119 | static void *win32_bind_var(DSO *dso, const char *symname); |
120 | static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname); | |
40720ce3 | 121 | # if 0 |
e9a68cfb GT |
122 | static int win32_unbind_var(DSO *dso, char *symname, void *symptr); |
123 | static int win32_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); | |
8f4fac7f GT |
124 | static int win32_init(DSO *dso); |
125 | static int win32_finish(DSO *dso); | |
b9e63915 | 126 | static long win32_ctrl(DSO *dso, int cmd, long larg, void *parg); |
40720ce3 | 127 | # endif |
51c8dc37 | 128 | static char *win32_name_converter(DSO *dso, const char *filename); |
cbecb3ac | 129 | static char *win32_merger(DSO *dso, const char *filespec1, |
40720ce3 | 130 | const char *filespec2); |
8f4fac7f | 131 | |
74e3931f DSH |
132 | static const char *openssl_strnchr(const char *string, int c, size_t len); |
133 | ||
8f4fac7f | 134 | static DSO_METHOD dso_meth_win32 = { |
40720ce3 MC |
135 | "OpenSSL 'win32' shared library method", |
136 | win32_load, | |
137 | win32_unload, | |
138 | win32_bind_var, | |
139 | win32_bind_func, | |
8f4fac7f | 140 | /* For now, "unbind" doesn't exist */ |
40720ce3 MC |
141 | # if 0 |
142 | NULL, /* unbind_var */ | |
143 | NULL, /* unbind_func */ | |
144 | # endif | |
145 | NULL, /* ctrl */ | |
146 | win32_name_converter, | |
147 | win32_merger, | |
148 | NULL, /* init */ | |
149 | NULL /* finish */ | |
150 | }; | |
8f4fac7f GT |
151 | |
152 | DSO_METHOD *DSO_METHOD_win32(void) | |
40720ce3 MC |
153 | { |
154 | return (&dso_meth_win32); | |
155 | } | |
8f4fac7f | 156 | |
40720ce3 MC |
157 | /* |
158 | * For this DSO_METHOD, our meth_data STACK will contain; (i) a pointer to | |
159 | * the handle (HINSTANCE) returned from LoadLibrary(), and copied. | |
8f4fac7f GT |
160 | */ |
161 | ||
51c8dc37 | 162 | static int win32_load(DSO *dso) |
40720ce3 MC |
163 | { |
164 | HINSTANCE h = NULL, *p = NULL; | |
165 | /* See applicable comments from dso_dl.c */ | |
166 | char *filename = DSO_convert_filename(dso, NULL); | |
167 | ||
168 | if (filename == NULL) { | |
169 | DSOerr(DSO_F_WIN32_LOAD, DSO_R_NO_FILENAME); | |
170 | goto err; | |
171 | } | |
172 | h = LoadLibraryA(filename); | |
173 | if (h == NULL) { | |
174 | DSOerr(DSO_F_WIN32_LOAD, DSO_R_LOAD_FAILED); | |
175 | ERR_add_error_data(3, "filename(", filename, ")"); | |
176 | goto err; | |
177 | } | |
178 | p = (HINSTANCE *) OPENSSL_malloc(sizeof(HINSTANCE)); | |
179 | if (p == NULL) { | |
180 | DSOerr(DSO_F_WIN32_LOAD, ERR_R_MALLOC_FAILURE); | |
181 | goto err; | |
182 | } | |
183 | *p = h; | |
184 | if (!sk_push(dso->meth_data, (char *)p)) { | |
185 | DSOerr(DSO_F_WIN32_LOAD, DSO_R_STACK_ERROR); | |
186 | goto err; | |
187 | } | |
188 | /* Success */ | |
189 | dso->loaded_filename = filename; | |
190 | return (1); | |
191 | err: | |
192 | /* Cleanup ! */ | |
193 | if (filename != NULL) | |
194 | OPENSSL_free(filename); | |
195 | if (p != NULL) | |
196 | OPENSSL_free(p); | |
197 | if (h != NULL) | |
198 | FreeLibrary(h); | |
199 | return (0); | |
200 | } | |
8f4fac7f GT |
201 | |
202 | static int win32_unload(DSO *dso) | |
40720ce3 MC |
203 | { |
204 | HINSTANCE *p; | |
205 | if (dso == NULL) { | |
206 | DSOerr(DSO_F_WIN32_UNLOAD, ERR_R_PASSED_NULL_PARAMETER); | |
207 | return (0); | |
208 | } | |
209 | if (sk_num(dso->meth_data) < 1) | |
210 | return (1); | |
211 | p = (HINSTANCE *) sk_pop(dso->meth_data); | |
212 | if (p == NULL) { | |
213 | DSOerr(DSO_F_WIN32_UNLOAD, DSO_R_NULL_HANDLE); | |
214 | return (0); | |
215 | } | |
216 | if (!FreeLibrary(*p)) { | |
217 | DSOerr(DSO_F_WIN32_UNLOAD, DSO_R_UNLOAD_FAILED); | |
218 | /* | |
219 | * We should push the value back onto the stack in case of a retry. | |
220 | */ | |
221 | sk_push(dso->meth_data, (char *)p); | |
222 | return (0); | |
223 | } | |
224 | /* Cleanup */ | |
225 | OPENSSL_free(p); | |
226 | return (1); | |
227 | } | |
228 | ||
229 | /* | |
230 | * Using GetProcAddress for variables? TODO: Check this out in the Win32 API | |
231 | * docs, there's probably a variant for variables. | |
232 | */ | |
e9a68cfb | 233 | static void *win32_bind_var(DSO *dso, const char *symname) |
40720ce3 MC |
234 | { |
235 | HINSTANCE *ptr; | |
236 | void *sym; | |
237 | ||
238 | if ((dso == NULL) || (symname == NULL)) { | |
239 | DSOerr(DSO_F_WIN32_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER); | |
240 | return (NULL); | |
241 | } | |
242 | if (sk_num(dso->meth_data) < 1) { | |
243 | DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_STACK_ERROR); | |
244 | return (NULL); | |
245 | } | |
246 | ptr = (HINSTANCE *) sk_value(dso->meth_data, sk_num(dso->meth_data) - 1); | |
247 | if (ptr == NULL) { | |
248 | DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_NULL_HANDLE); | |
249 | return (NULL); | |
250 | } | |
251 | sym = GetProcAddress(*ptr, symname); | |
252 | if (sym == NULL) { | |
253 | DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_SYM_FAILURE); | |
254 | ERR_add_error_data(3, "symname(", symname, ")"); | |
255 | return (NULL); | |
256 | } | |
257 | return (sym); | |
258 | } | |
e9a68cfb GT |
259 | |
260 | static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname) | |
40720ce3 MC |
261 | { |
262 | HINSTANCE *ptr; | |
263 | void *sym; | |
264 | ||
265 | if ((dso == NULL) || (symname == NULL)) { | |
266 | DSOerr(DSO_F_WIN32_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER); | |
267 | return (NULL); | |
268 | } | |
269 | if (sk_num(dso->meth_data) < 1) { | |
270 | DSOerr(DSO_F_WIN32_BIND_FUNC, DSO_R_STACK_ERROR); | |
271 | return (NULL); | |
272 | } | |
273 | ptr = (HINSTANCE *) sk_value(dso->meth_data, sk_num(dso->meth_data) - 1); | |
274 | if (ptr == NULL) { | |
275 | DSOerr(DSO_F_WIN32_BIND_FUNC, DSO_R_NULL_HANDLE); | |
276 | return (NULL); | |
277 | } | |
278 | sym = GetProcAddress(*ptr, symname); | |
279 | if (sym == NULL) { | |
280 | DSOerr(DSO_F_WIN32_BIND_FUNC, DSO_R_SYM_FAILURE); | |
281 | ERR_add_error_data(3, "symname(", symname, ")"); | |
282 | return (NULL); | |
283 | } | |
284 | return ((DSO_FUNC_TYPE)sym); | |
285 | } | |
286 | ||
287 | struct file_st { | |
288 | const char *node; | |
289 | int nodelen; | |
290 | const char *device; | |
291 | int devicelen; | |
292 | const char *predir; | |
293 | int predirlen; | |
294 | const char *dir; | |
295 | int dirlen; | |
296 | const char *file; | |
297 | int filelen; | |
298 | }; | |
cbecb3ac RL |
299 | |
300 | static struct file_st *win32_splitter(DSO *dso, const char *filename, | |
40720ce3 MC |
301 | int assume_last_is_dir) |
302 | { | |
303 | struct file_st *result = NULL; | |
304 | enum { IN_NODE, IN_DEVICE, IN_FILE } position; | |
305 | const char *start = filename; | |
306 | char last; | |
307 | ||
308 | if (!filename) { | |
309 | DSOerr(DSO_F_WIN32_SPLITTER, DSO_R_NO_FILENAME); | |
310 | /* | |
311 | * goto err; | |
312 | */ | |
313 | return (NULL); | |
314 | } | |
315 | ||
316 | result = OPENSSL_malloc(sizeof(struct file_st)); | |
317 | if (result == NULL) { | |
318 | DSOerr(DSO_F_WIN32_SPLITTER, ERR_R_MALLOC_FAILURE); | |
319 | return (NULL); | |
320 | } | |
321 | ||
322 | memset(result, 0, sizeof(struct file_st)); | |
323 | position = IN_DEVICE; | |
324 | ||
325 | if ((filename[0] == '\\' && filename[1] == '\\') | |
326 | || (filename[0] == '/' && filename[1] == '/')) { | |
327 | position = IN_NODE; | |
328 | filename += 2; | |
329 | start = filename; | |
330 | result->node = start; | |
331 | } | |
332 | ||
333 | do { | |
334 | last = filename[0]; | |
335 | switch (last) { | |
336 | case ':': | |
337 | if (position != IN_DEVICE) { | |
338 | DSOerr(DSO_F_WIN32_SPLITTER, DSO_R_INCORRECT_FILE_SYNTAX); | |
339 | /* | |
340 | * goto err; | |
341 | */ | |
342 | OPENSSL_free(result); | |
343 | return (NULL); | |
344 | } | |
345 | result->device = start; | |
346 | result->devicelen = filename - start; | |
347 | position = IN_FILE; | |
348 | start = ++filename; | |
349 | result->dir = start; | |
350 | break; | |
351 | case '\\': | |
352 | case '/': | |
353 | if (position == IN_NODE) { | |
354 | result->nodelen = filename - start; | |
355 | position = IN_FILE; | |
356 | start = ++filename; | |
357 | result->dir = start; | |
358 | } else if (position == IN_DEVICE) { | |
359 | position = IN_FILE; | |
360 | filename++; | |
361 | result->dir = start; | |
362 | result->dirlen = filename - start; | |
363 | start = filename; | |
364 | } else { | |
365 | filename++; | |
366 | result->dirlen += filename - start; | |
367 | start = filename; | |
368 | } | |
369 | break; | |
370 | case '\0': | |
371 | if (position == IN_NODE) { | |
372 | result->nodelen = filename - start; | |
373 | } else { | |
374 | if (filename - start > 0) { | |
375 | if (assume_last_is_dir) { | |
376 | if (position == IN_DEVICE) { | |
377 | result->dir = start; | |
378 | result->dirlen = 0; | |
379 | } | |
380 | result->dirlen += filename - start; | |
381 | } else { | |
382 | result->file = start; | |
383 | result->filelen = filename - start; | |
384 | } | |
385 | } | |
386 | } | |
387 | break; | |
388 | default: | |
389 | filename++; | |
390 | break; | |
391 | } | |
392 | } | |
393 | while (last); | |
394 | ||
395 | if (!result->nodelen) | |
396 | result->node = NULL; | |
397 | if (!result->devicelen) | |
398 | result->device = NULL; | |
399 | if (!result->dirlen) | |
400 | result->dir = NULL; | |
401 | if (!result->filelen) | |
402 | result->file = NULL; | |
403 | ||
404 | return (result); | |
405 | } | |
cbecb3ac | 406 | |
74e3931f | 407 | static char *win32_joiner(DSO *dso, const struct file_st *file_split) |
40720ce3 MC |
408 | { |
409 | int len = 0, offset = 0; | |
410 | char *result = NULL; | |
411 | const char *start; | |
412 | ||
413 | if (!file_split) { | |
414 | DSOerr(DSO_F_WIN32_JOINER, ERR_R_PASSED_NULL_PARAMETER); | |
415 | return (NULL); | |
416 | } | |
417 | if (file_split->node) { | |
418 | len += 2 + file_split->nodelen; /* 2 for starting \\ */ | |
419 | if (file_split->predir || file_split->dir || file_split->file) | |
420 | len++; /* 1 for ending \ */ | |
421 | } else if (file_split->device) { | |
422 | len += file_split->devicelen + 1; /* 1 for ending : */ | |
423 | } | |
424 | len += file_split->predirlen; | |
425 | if (file_split->predir && (file_split->dir || file_split->file)) { | |
426 | len++; /* 1 for ending \ */ | |
427 | } | |
428 | len += file_split->dirlen; | |
429 | if (file_split->dir && file_split->file) { | |
430 | len++; /* 1 for ending \ */ | |
431 | } | |
432 | len += file_split->filelen; | |
433 | ||
434 | if (!len) { | |
435 | DSOerr(DSO_F_WIN32_JOINER, DSO_R_EMPTY_FILE_STRUCTURE); | |
436 | return (NULL); | |
437 | } | |
438 | ||
439 | result = OPENSSL_malloc(len + 1); | |
440 | if (!result) { | |
441 | DSOerr(DSO_F_WIN32_JOINER, ERR_R_MALLOC_FAILURE); | |
442 | return (NULL); | |
443 | } | |
444 | ||
445 | if (file_split->node) { | |
446 | strcpy(&result[offset], "\\\\"); | |
447 | offset += 2; | |
448 | strncpy(&result[offset], file_split->node, file_split->nodelen); | |
449 | offset += file_split->nodelen; | |
450 | if (file_split->predir || file_split->dir || file_split->file) { | |
451 | result[offset] = '\\'; | |
452 | offset++; | |
453 | } | |
454 | } else if (file_split->device) { | |
455 | strncpy(&result[offset], file_split->device, file_split->devicelen); | |
456 | offset += file_split->devicelen; | |
457 | result[offset] = ':'; | |
458 | offset++; | |
459 | } | |
460 | start = file_split->predir; | |
461 | while (file_split->predirlen > (start - file_split->predir)) { | |
462 | const char *end = openssl_strnchr(start, '/', | |
463 | file_split->predirlen - (start - | |
464 | file_split->predir)); | |
465 | if (!end) | |
466 | end = start | |
467 | + file_split->predirlen - (start - file_split->predir); | |
468 | strncpy(&result[offset], start, end - start); | |
469 | offset += end - start; | |
470 | result[offset] = '\\'; | |
471 | offset++; | |
472 | start = end + 1; | |
473 | } | |
474 | # if 0 /* Not needed, since the directory converter | |
475 | * above already appeneded a backslash */ | |
476 | if (file_split->predir && (file_split->dir || file_split->file)) { | |
477 | result[offset] = '\\'; | |
478 | offset++; | |
479 | } | |
480 | # endif | |
481 | start = file_split->dir; | |
482 | while (file_split->dirlen > (start - file_split->dir)) { | |
483 | const char *end = openssl_strnchr(start, '/', | |
484 | file_split->dirlen - (start - | |
485 | file_split->dir)); | |
486 | if (!end) | |
487 | end = start + file_split->dirlen - (start - file_split->dir); | |
488 | strncpy(&result[offset], start, end - start); | |
489 | offset += end - start; | |
490 | result[offset] = '\\'; | |
491 | offset++; | |
492 | start = end + 1; | |
493 | } | |
494 | # if 0 /* Not needed, since the directory converter | |
495 | * above already appeneded a backslash */ | |
496 | if (file_split->dir && file_split->file) { | |
497 | result[offset] = '\\'; | |
498 | offset++; | |
499 | } | |
500 | # endif | |
501 | strncpy(&result[offset], file_split->file, file_split->filelen); | |
502 | offset += file_split->filelen; | |
503 | result[offset] = '\0'; | |
504 | return (result); | |
505 | } | |
506 | ||
507 | static char *win32_merger(DSO *dso, const char *filespec1, | |
508 | const char *filespec2) | |
509 | { | |
510 | char *merged = NULL; | |
511 | struct file_st *filespec1_split = NULL; | |
512 | struct file_st *filespec2_split = NULL; | |
513 | ||
514 | if (!filespec1 && !filespec2) { | |
515 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_PASSED_NULL_PARAMETER); | |
516 | return (NULL); | |
517 | } | |
518 | if (!filespec2) { | |
519 | merged = OPENSSL_malloc(strlen(filespec1) + 1); | |
520 | if (!merged) { | |
521 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE); | |
522 | return (NULL); | |
523 | } | |
524 | strcpy(merged, filespec1); | |
525 | } else if (!filespec1) { | |
526 | merged = OPENSSL_malloc(strlen(filespec2) + 1); | |
527 | if (!merged) { | |
528 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE); | |
529 | return (NULL); | |
530 | } | |
531 | strcpy(merged, filespec2); | |
532 | } else { | |
533 | filespec1_split = win32_splitter(dso, filespec1, 0); | |
534 | if (!filespec1_split) { | |
535 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE); | |
536 | return (NULL); | |
537 | } | |
538 | filespec2_split = win32_splitter(dso, filespec2, 1); | |
539 | if (!filespec2_split) { | |
540 | DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE); | |
541 | OPENSSL_free(filespec1_split); | |
542 | return (NULL); | |
543 | } | |
544 | ||
545 | /* Fill in into filespec1_split */ | |
546 | if (!filespec1_split->node && !filespec1_split->device) { | |
547 | filespec1_split->node = filespec2_split->node; | |
548 | filespec1_split->nodelen = filespec2_split->nodelen; | |
549 | filespec1_split->device = filespec2_split->device; | |
550 | filespec1_split->devicelen = filespec2_split->devicelen; | |
551 | } | |
552 | if (!filespec1_split->dir) { | |
553 | filespec1_split->dir = filespec2_split->dir; | |
554 | filespec1_split->dirlen = filespec2_split->dirlen; | |
555 | } else if (filespec1_split->dir[0] != '\\' | |
556 | && filespec1_split->dir[0] != '/') { | |
557 | filespec1_split->predir = filespec2_split->dir; | |
558 | filespec1_split->predirlen = filespec2_split->dirlen; | |
559 | } | |
560 | if (!filespec1_split->file) { | |
561 | filespec1_split->file = filespec2_split->file; | |
562 | filespec1_split->filelen = filespec2_split->filelen; | |
563 | } | |
564 | ||
565 | merged = win32_joiner(dso, filespec1_split); | |
566 | } | |
567 | OPENSSL_free(filespec1_split); | |
568 | OPENSSL_free(filespec2_split); | |
569 | return (merged); | |
570 | } | |
cbecb3ac | 571 | |
51c8dc37 | 572 | static char *win32_name_converter(DSO *dso, const char *filename) |
40720ce3 MC |
573 | { |
574 | char *translated; | |
575 | int len, transform; | |
576 | ||
577 | len = strlen(filename); | |
578 | transform = ((strstr(filename, "/") == NULL) && | |
579 | (strstr(filename, "\\") == NULL) && | |
580 | (strstr(filename, ":") == NULL)); | |
581 | if (transform) | |
582 | /* We will convert this to "%s.dll" */ | |
583 | translated = OPENSSL_malloc(len + 5); | |
584 | else | |
585 | /* We will simply duplicate filename */ | |
586 | translated = OPENSSL_malloc(len + 1); | |
587 | if (translated == NULL) { | |
588 | DSOerr(DSO_F_WIN32_NAME_CONVERTER, DSO_R_NAME_TRANSLATION_FAILED); | |
589 | return (NULL); | |
590 | } | |
591 | if (transform) | |
592 | sprintf(translated, "%s.dll", filename); | |
593 | else | |
594 | sprintf(translated, "%s", filename); | |
595 | return (translated); | |
596 | } | |
51c8dc37 | 597 | |
74e3931f | 598 | static const char *openssl_strnchr(const char *string, int c, size_t len) |
40720ce3 MC |
599 | { |
600 | size_t i; | |
601 | const char *p; | |
602 | for (i = 0, p = string; i < len && *p; i++, p++) { | |
603 | if (*p == c) | |
604 | return p; | |
605 | } | |
606 | return NULL; | |
607 | } | |
608 | ||
609 | #endif /* OPENSSL_SYS_WIN32 */ |