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Diffstat (limited to '')
-rw-r--r-- | src/lib/libcrypto/dso/dso_win32.c | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/src/lib/libcrypto/dso/dso_win32.c b/src/lib/libcrypto/dso/dso_win32.c new file mode 100644 index 0000000000..cc4ac68696 --- /dev/null +++ b/src/lib/libcrypto/dso/dso_win32.c | |||
@@ -0,0 +1,298 @@ | |||
1 | /* dso_win32.c */ | ||
2 | /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL | ||
3 | * project 2000. | ||
4 | */ | ||
5 | /* ==================================================================== | ||
6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | ||
7 | * | ||
8 | * Redistribution and use in source and binary forms, with or without | ||
9 | * modification, are permitted provided that the following conditions | ||
10 | * are met: | ||
11 | * | ||
12 | * 1. Redistributions of source code must retain the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer. | ||
14 | * | ||
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 | ||
18 | * distribution. | ||
19 | * | ||
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/)" | ||
24 | * | ||
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. | ||
29 | * | ||
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. | ||
33 | * | ||
34 | * 6. Redistributions of any form whatsoever must retain the following | ||
35 | * acknowledgment: | ||
36 | * "This product includes software developed by the OpenSSL Project | ||
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
38 | * | ||
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 | * ==================================================================== | ||
52 | * | ||
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). | ||
56 | * | ||
57 | */ | ||
58 | |||
59 | #include <stdio.h> | ||
60 | #include <string.h> | ||
61 | #include "cryptlib.h" | ||
62 | #include <openssl/dso.h> | ||
63 | |||
64 | #if !defined(DSO_WIN32) | ||
65 | DSO_METHOD *DSO_METHOD_win32(void) | ||
66 | { | ||
67 | return NULL; | ||
68 | } | ||
69 | #else | ||
70 | |||
71 | #ifdef _WIN32_WCE | ||
72 | # if _WIN32_WCE < 300 | ||
73 | static FARPROC GetProcAddressA(HMODULE hModule,LPCSTR lpProcName) | ||
74 | { | ||
75 | WCHAR lpProcNameW[64]; | ||
76 | int i; | ||
77 | |||
78 | for (i=0;lpProcName[i] && i<64;i++) | ||
79 | lpProcNameW[i] = (WCHAR)lpProcName[i]; | ||
80 | if (i==64) return NULL; | ||
81 | lpProcNameW[i] = 0; | ||
82 | |||
83 | return GetProcAddressW(hModule,lpProcNameW); | ||
84 | } | ||
85 | # endif | ||
86 | # undef GetProcAddress | ||
87 | # define GetProcAddress GetProcAddressA | ||
88 | #endif | ||
89 | |||
90 | /* Part of the hack in "win32_load" ... */ | ||
91 | #define DSO_MAX_TRANSLATED_SIZE 256 | ||
92 | |||
93 | static int win32_load(DSO *dso); | ||
94 | static int win32_unload(DSO *dso); | ||
95 | static void *win32_bind_var(DSO *dso, const char *symname); | ||
96 | static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname); | ||
97 | #if 0 | ||
98 | static int win32_unbind_var(DSO *dso, char *symname, void *symptr); | ||
99 | static int win32_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); | ||
100 | static int win32_init(DSO *dso); | ||
101 | static int win32_finish(DSO *dso); | ||
102 | static long win32_ctrl(DSO *dso, int cmd, long larg, void *parg); | ||
103 | #endif | ||
104 | static char *win32_name_converter(DSO *dso, const char *filename); | ||
105 | |||
106 | static DSO_METHOD dso_meth_win32 = { | ||
107 | "OpenSSL 'win32' shared library method", | ||
108 | win32_load, | ||
109 | win32_unload, | ||
110 | win32_bind_var, | ||
111 | win32_bind_func, | ||
112 | /* For now, "unbind" doesn't exist */ | ||
113 | #if 0 | ||
114 | NULL, /* unbind_var */ | ||
115 | NULL, /* unbind_func */ | ||
116 | #endif | ||
117 | NULL, /* ctrl */ | ||
118 | win32_name_converter, | ||
119 | NULL, /* init */ | ||
120 | NULL /* finish */ | ||
121 | }; | ||
122 | |||
123 | DSO_METHOD *DSO_METHOD_win32(void) | ||
124 | { | ||
125 | return(&dso_meth_win32); | ||
126 | } | ||
127 | |||
128 | /* For this DSO_METHOD, our meth_data STACK will contain; | ||
129 | * (i) a pointer to the handle (HINSTANCE) returned from | ||
130 | * LoadLibrary(), and copied. | ||
131 | */ | ||
132 | |||
133 | static int win32_load(DSO *dso) | ||
134 | { | ||
135 | HINSTANCE h = NULL, *p = NULL; | ||
136 | /* See applicable comments from dso_dl.c */ | ||
137 | char *filename = DSO_convert_filename(dso, NULL); | ||
138 | |||
139 | if(filename == NULL) | ||
140 | { | ||
141 | DSOerr(DSO_F_WIN32_LOAD,DSO_R_NO_FILENAME); | ||
142 | goto err; | ||
143 | } | ||
144 | h = LoadLibraryA(filename); | ||
145 | if(h == NULL) | ||
146 | { | ||
147 | DSOerr(DSO_F_WIN32_LOAD,DSO_R_LOAD_FAILED); | ||
148 | ERR_add_error_data(3, "filename(", filename, ")"); | ||
149 | goto err; | ||
150 | } | ||
151 | p = (HINSTANCE *)OPENSSL_malloc(sizeof(HINSTANCE)); | ||
152 | if(p == NULL) | ||
153 | { | ||
154 | DSOerr(DSO_F_WIN32_LOAD,ERR_R_MALLOC_FAILURE); | ||
155 | goto err; | ||
156 | } | ||
157 | *p = h; | ||
158 | if(!sk_push(dso->meth_data, (char *)p)) | ||
159 | { | ||
160 | DSOerr(DSO_F_WIN32_LOAD,DSO_R_STACK_ERROR); | ||
161 | goto err; | ||
162 | } | ||
163 | /* Success */ | ||
164 | dso->loaded_filename = filename; | ||
165 | return(1); | ||
166 | err: | ||
167 | /* Cleanup !*/ | ||
168 | if(filename != NULL) | ||
169 | OPENSSL_free(filename); | ||
170 | if(p != NULL) | ||
171 | OPENSSL_free(p); | ||
172 | if(h != NULL) | ||
173 | FreeLibrary(h); | ||
174 | return(0); | ||
175 | } | ||
176 | |||
177 | static int win32_unload(DSO *dso) | ||
178 | { | ||
179 | HINSTANCE *p; | ||
180 | if(dso == NULL) | ||
181 | { | ||
182 | DSOerr(DSO_F_WIN32_UNLOAD,ERR_R_PASSED_NULL_PARAMETER); | ||
183 | return(0); | ||
184 | } | ||
185 | if(sk_num(dso->meth_data) < 1) | ||
186 | return(1); | ||
187 | p = (HINSTANCE *)sk_pop(dso->meth_data); | ||
188 | if(p == NULL) | ||
189 | { | ||
190 | DSOerr(DSO_F_WIN32_UNLOAD,DSO_R_NULL_HANDLE); | ||
191 | return(0); | ||
192 | } | ||
193 | if(!FreeLibrary(*p)) | ||
194 | { | ||
195 | DSOerr(DSO_F_WIN32_UNLOAD,DSO_R_UNLOAD_FAILED); | ||
196 | /* We should push the value back onto the stack in | ||
197 | * case of a retry. */ | ||
198 | sk_push(dso->meth_data, (char *)p); | ||
199 | return(0); | ||
200 | } | ||
201 | /* Cleanup */ | ||
202 | OPENSSL_free(p); | ||
203 | return(1); | ||
204 | } | ||
205 | |||
206 | /* Using GetProcAddress for variables? TODO: Check this out in | ||
207 | * the Win32 API docs, there's probably a variant for variables. */ | ||
208 | static void *win32_bind_var(DSO *dso, const char *symname) | ||
209 | { | ||
210 | HINSTANCE *ptr; | ||
211 | void *sym; | ||
212 | |||
213 | if((dso == NULL) || (symname == NULL)) | ||
214 | { | ||
215 | DSOerr(DSO_F_WIN32_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER); | ||
216 | return(NULL); | ||
217 | } | ||
218 | if(sk_num(dso->meth_data) < 1) | ||
219 | { | ||
220 | DSOerr(DSO_F_WIN32_BIND_VAR,DSO_R_STACK_ERROR); | ||
221 | return(NULL); | ||
222 | } | ||
223 | ptr = (HINSTANCE *)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1); | ||
224 | if(ptr == NULL) | ||
225 | { | ||
226 | DSOerr(DSO_F_WIN32_BIND_VAR,DSO_R_NULL_HANDLE); | ||
227 | return(NULL); | ||
228 | } | ||
229 | sym = GetProcAddress(*ptr, symname); | ||
230 | if(sym == NULL) | ||
231 | { | ||
232 | DSOerr(DSO_F_WIN32_BIND_VAR,DSO_R_SYM_FAILURE); | ||
233 | ERR_add_error_data(3, "symname(", symname, ")"); | ||
234 | return(NULL); | ||
235 | } | ||
236 | return(sym); | ||
237 | } | ||
238 | |||
239 | static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname) | ||
240 | { | ||
241 | HINSTANCE *ptr; | ||
242 | void *sym; | ||
243 | |||
244 | if((dso == NULL) || (symname == NULL)) | ||
245 | { | ||
246 | DSOerr(DSO_F_WIN32_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER); | ||
247 | return(NULL); | ||
248 | } | ||
249 | if(sk_num(dso->meth_data) < 1) | ||
250 | { | ||
251 | DSOerr(DSO_F_WIN32_BIND_FUNC,DSO_R_STACK_ERROR); | ||
252 | return(NULL); | ||
253 | } | ||
254 | ptr = (HINSTANCE *)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1); | ||
255 | if(ptr == NULL) | ||
256 | { | ||
257 | DSOerr(DSO_F_WIN32_BIND_FUNC,DSO_R_NULL_HANDLE); | ||
258 | return(NULL); | ||
259 | } | ||
260 | sym = GetProcAddress(*ptr, symname); | ||
261 | if(sym == NULL) | ||
262 | { | ||
263 | DSOerr(DSO_F_WIN32_BIND_FUNC,DSO_R_SYM_FAILURE); | ||
264 | ERR_add_error_data(3, "symname(", symname, ")"); | ||
265 | return(NULL); | ||
266 | } | ||
267 | return((DSO_FUNC_TYPE)sym); | ||
268 | } | ||
269 | |||
270 | static char *win32_name_converter(DSO *dso, const char *filename) | ||
271 | { | ||
272 | char *translated; | ||
273 | int len, transform; | ||
274 | |||
275 | len = strlen(filename); | ||
276 | transform = ((strstr(filename, "/") == NULL) && | ||
277 | (strstr(filename, "\\") == NULL) && | ||
278 | (strstr(filename, ":") == NULL)); | ||
279 | if(transform) | ||
280 | /* We will convert this to "%s.dll" */ | ||
281 | translated = OPENSSL_malloc(len + 5); | ||
282 | else | ||
283 | /* We will simply duplicate filename */ | ||
284 | translated = OPENSSL_malloc(len + 1); | ||
285 | if(translated == NULL) | ||
286 | { | ||
287 | DSOerr(DSO_F_WIN32_NAME_CONVERTER, | ||
288 | DSO_R_NAME_TRANSLATION_FAILED); | ||
289 | return(NULL); | ||
290 | } | ||
291 | if(transform) | ||
292 | sprintf(translated, "%s.dll", filename); | ||
293 | else | ||
294 | sprintf(translated, "%s", filename); | ||
295 | return(translated); | ||
296 | } | ||
297 | |||
298 | #endif /* OPENSSL_SYS_WIN32 */ | ||