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Diffstat (limited to 'src/lib/libcrypto/cryptlib.c')
-rw-r--r-- | src/lib/libcrypto/cryptlib.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/src/lib/libcrypto/cryptlib.c b/src/lib/libcrypto/cryptlib.c new file mode 100644 index 0000000000..9a7e80b7f8 --- /dev/null +++ b/src/lib/libcrypto/cryptlib.c | |||
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1 | /* crypto/cryptlib.c */ | ||
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This package is an SSL implementation written | ||
6 | * by Eric Young (eay@cryptsoft.com). | ||
7 | * The implementation was written so as to conform with Netscapes SSL. | ||
8 | * | ||
9 | * This library is free for commercial and non-commercial use as long as | ||
10 | * the following conditions are aheared to. The following conditions | ||
11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
13 | * included with this distribution is covered by the same copyright terms | ||
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
15 | * | ||
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
17 | * the code are not to be removed. | ||
18 | * If this package is used in a product, Eric Young should be given attribution | ||
19 | * as the author of the parts of the library used. | ||
20 | * This can be in the form of a textual message at program startup or | ||
21 | * in documentation (online or textual) provided with the package. | ||
22 | * | ||
23 | * Redistribution and use in source and binary forms, with or without | ||
24 | * modification, are permitted provided that the following conditions | ||
25 | * are met: | ||
26 | * 1. Redistributions of source code must retain the copyright | ||
27 | * notice, this list of conditions and the following disclaimer. | ||
28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
29 | * notice, this list of conditions and the following disclaimer in the | ||
30 | * documentation and/or other materials provided with the distribution. | ||
31 | * 3. All advertising materials mentioning features or use of this software | ||
32 | * must display the following acknowledgement: | ||
33 | * "This product includes cryptographic software written by | ||
34 | * Eric Young (eay@cryptsoft.com)" | ||
35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
36 | * being used are not cryptographic related :-). | ||
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
38 | * the apps directory (application code) you must include an acknowledgement: | ||
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
40 | * | ||
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
51 | * SUCH DAMAGE. | ||
52 | * | ||
53 | * The licence and distribution terms for any publically available version or | ||
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
55 | * copied and put under another distribution licence | ||
56 | * [including the GNU Public Licence.] | ||
57 | */ | ||
58 | |||
59 | #include <stdio.h> | ||
60 | #include <string.h> | ||
61 | #include "cryptlib.h" | ||
62 | #include "crypto.h" | ||
63 | #include "date.h" | ||
64 | |||
65 | #if defined(WIN32) || defined(WIN16) | ||
66 | static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ | ||
67 | #endif | ||
68 | |||
69 | /* real #defines in crypto.h, keep these upto date */ | ||
70 | static char* lock_names[CRYPTO_NUM_LOCKS] = | ||
71 | { | ||
72 | "<<ERROR>>", | ||
73 | "err", | ||
74 | "err_hash", | ||
75 | "x509", | ||
76 | "x509_info", | ||
77 | "x509_pkey", | ||
78 | "x509_crl", | ||
79 | "x509_req", | ||
80 | "dsa", | ||
81 | "rsa", | ||
82 | "evp_pkey", | ||
83 | "x509_store", | ||
84 | "ssl_ctx", | ||
85 | "ssl_cert", | ||
86 | "ssl_session", | ||
87 | "ssl", | ||
88 | "rand", | ||
89 | "debug_malloc", | ||
90 | "BIO", | ||
91 | "bio_gethostbyname", | ||
92 | "RSA_blinding", | ||
93 | }; | ||
94 | |||
95 | static STACK *app_locks=NULL; | ||
96 | |||
97 | #ifndef NOPROTO | ||
98 | static void (MS_FAR *locking_callback)(int mode,int type, | ||
99 | char *file,int line)=NULL; | ||
100 | static int (MS_FAR *add_lock_callback)(int *pointer,int amount, | ||
101 | int type,char *file,int line)=NULL; | ||
102 | static unsigned long (MS_FAR *id_callback)(void)=NULL; | ||
103 | #else | ||
104 | static void (MS_FAR *locking_callback)()=NULL; | ||
105 | static int (MS_FAR *add_lock_callback)()=NULL; | ||
106 | static unsigned long (MS_FAR *id_callback)()=NULL; | ||
107 | #endif | ||
108 | |||
109 | int CRYPTO_get_new_lockid(name) | ||
110 | char *name; | ||
111 | { | ||
112 | char *str; | ||
113 | int i; | ||
114 | |||
115 | /* A hack to make Visual C++ 5.0 work correctly when linking as | ||
116 | * a DLL using /MT. Without this, the application cannot use | ||
117 | * and floating point printf's. | ||
118 | * It also seems to be needed for Visual C 1.5 (win16) */ | ||
119 | #if defined(WIN32) || defined(WIN16) | ||
120 | SSLeay_MSVC5_hack=(double)name[0]*(double)name[1]; | ||
121 | #endif | ||
122 | |||
123 | if (app_locks == NULL) | ||
124 | if ((app_locks=sk_new_null()) == NULL) | ||
125 | CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE); | ||
126 | return(0); | ||
127 | if ((str=BUF_strdup(name)) == NULL) | ||
128 | return(0); | ||
129 | i=sk_push(app_locks,str); | ||
130 | if (!i) | ||
131 | Free(str); | ||
132 | else | ||
133 | i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */ | ||
134 | return(i); | ||
135 | } | ||
136 | |||
137 | void (*CRYPTO_get_locking_callback(P_V))(P_I_I_P_I) | ||
138 | { | ||
139 | return(locking_callback); | ||
140 | } | ||
141 | |||
142 | int (*CRYPTO_get_add_lock_callback(P_V))(P_IP_I_I_P_I) | ||
143 | { | ||
144 | return(add_lock_callback); | ||
145 | } | ||
146 | |||
147 | void CRYPTO_set_locking_callback(func) | ||
148 | void (*func)(P_I_I_P_I); | ||
149 | { | ||
150 | locking_callback=func; | ||
151 | } | ||
152 | |||
153 | void CRYPTO_set_add_lock_callback(func) | ||
154 | int (*func)(P_IP_I_I_P_I); | ||
155 | { | ||
156 | add_lock_callback=func; | ||
157 | } | ||
158 | |||
159 | unsigned long (*CRYPTO_get_id_callback(P_V))(P_V) | ||
160 | { | ||
161 | return(id_callback); | ||
162 | } | ||
163 | |||
164 | void CRYPTO_set_id_callback(func) | ||
165 | unsigned long (*func)(P_V); | ||
166 | { | ||
167 | id_callback=func; | ||
168 | } | ||
169 | |||
170 | unsigned long CRYPTO_thread_id() | ||
171 | { | ||
172 | unsigned long ret=0; | ||
173 | |||
174 | if (id_callback == NULL) | ||
175 | { | ||
176 | #ifdef WIN16 | ||
177 | ret=(unsigned long)GetCurrentTask(); | ||
178 | #elif defined(WIN32) | ||
179 | ret=(unsigned long)GetCurrentThreadId(); | ||
180 | #elif defined(MSDOS) | ||
181 | ret=1L; | ||
182 | #else | ||
183 | ret=(unsigned long)getpid(); | ||
184 | #endif | ||
185 | } | ||
186 | else | ||
187 | ret=id_callback(); | ||
188 | return(ret); | ||
189 | } | ||
190 | |||
191 | void CRYPTO_lock(mode,type,file,line) | ||
192 | int mode; | ||
193 | int type; | ||
194 | char *file; | ||
195 | int line; | ||
196 | { | ||
197 | #ifdef LOCK_DEBUG | ||
198 | { | ||
199 | char *rw_text,*operation_text; | ||
200 | |||
201 | if (mode & CRYPTO_LOCK) | ||
202 | operation_text="lock "; | ||
203 | else if (mode & CRYPTO_UNLOCK) | ||
204 | operation_text="unlock"; | ||
205 | else | ||
206 | operation_text="ERROR "; | ||
207 | |||
208 | if (mode & CRYPTO_READ) | ||
209 | rw_text="r"; | ||
210 | else if (mode & CRYPTO_WRITE) | ||
211 | rw_text="w"; | ||
212 | else | ||
213 | rw_text="ERROR"; | ||
214 | |||
215 | fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n", | ||
216 | CRYPTO_thread_id(), rw_text, operation_text, | ||
217 | CRYPTO_get_lock_name(type), file, line); | ||
218 | } | ||
219 | #endif | ||
220 | if (locking_callback != NULL) | ||
221 | locking_callback(mode,type,file,line); | ||
222 | } | ||
223 | |||
224 | int CRYPTO_add_lock(pointer,amount,type,file,line) | ||
225 | int *pointer; | ||
226 | int amount; | ||
227 | int type; | ||
228 | char *file; | ||
229 | int line; | ||
230 | { | ||
231 | int ret; | ||
232 | |||
233 | if (add_lock_callback != NULL) | ||
234 | { | ||
235 | #ifdef LOCK_DEBUG | ||
236 | int before= *pointer; | ||
237 | #endif | ||
238 | |||
239 | ret=add_lock_callback(pointer,amount,type,file,line); | ||
240 | #ifdef LOCK_DEBUG | ||
241 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | ||
242 | CRYPTO_thread_id(), | ||
243 | before,amount,ret, | ||
244 | CRYPTO_get_lock_name(type), | ||
245 | file,line); | ||
246 | #endif | ||
247 | *pointer=ret; | ||
248 | } | ||
249 | else | ||
250 | { | ||
251 | CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line); | ||
252 | |||
253 | ret= *pointer+amount; | ||
254 | #ifdef LOCK_DEBUG | ||
255 | fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n", | ||
256 | CRYPTO_thread_id(), | ||
257 | *pointer,amount,ret, | ||
258 | CRYPTO_get_lock_name(type), | ||
259 | file,line); | ||
260 | #endif | ||
261 | *pointer=ret; | ||
262 | CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line); | ||
263 | } | ||
264 | return(ret); | ||
265 | } | ||
266 | |||
267 | char *CRYPTO_get_lock_name(type) | ||
268 | int type; | ||
269 | { | ||
270 | if (type < 0) | ||
271 | return("ERROR"); | ||
272 | else if (type < CRYPTO_NUM_LOCKS) | ||
273 | return(lock_names[type]); | ||
274 | else if (type-CRYPTO_NUM_LOCKS >= sk_num(app_locks)) | ||
275 | return("ERROR"); | ||
276 | else | ||
277 | return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS)); | ||
278 | } | ||
279 | |||
280 | #ifdef _DLL | ||
281 | #ifdef WIN32 | ||
282 | |||
283 | /* All we really need to do is remove the 'error' state when a thread | ||
284 | * detaches */ | ||
285 | |||
286 | BOOL WINAPI DLLEntryPoint(hinstDLL,fdwReason,lpvReserved) | ||
287 | HINSTANCE hinstDLL; | ||
288 | DWORD fdwReason; | ||
289 | LPVOID lpvReserved; | ||
290 | { | ||
291 | switch(fdwReason) | ||
292 | { | ||
293 | case DLL_PROCESS_ATTACH: | ||
294 | break; | ||
295 | case DLL_THREAD_ATTACH: | ||
296 | break; | ||
297 | case DLL_THREAD_DETACH: | ||
298 | ERR_remove_state(0); | ||
299 | break; | ||
300 | case DLL_PROCESS_DETACH: | ||
301 | break; | ||
302 | } | ||
303 | return(TRUE); | ||
304 | } | ||
305 | #endif | ||
306 | |||
307 | #endif | ||