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d02b48c6 | 1 | /* crypto/err/err.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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> | |
4565c3e3 | 60 | #include <stdarg.h> |
ec577822 BM |
61 | #include <openssl/lhash.h> |
62 | #include <openssl/crypto.h> | |
d02b48c6 | 63 | #include "cryptlib.h" |
ec577822 BM |
64 | #include <openssl/buffer.h> |
65 | #include <openssl/err.h> | |
66 | #include <openssl/crypto.h> | |
d02b48c6 RE |
67 | |
68 | ||
69 | static LHASH *error_hash=NULL; | |
70 | static LHASH *thread_hash=NULL; | |
71 | ||
d02b48c6 RE |
72 | static unsigned long err_hash(ERR_STRING_DATA *a); |
73 | static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); | |
74 | static unsigned long pid_hash(ERR_STATE *pid); | |
75 | static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); | |
e778802f BL |
76 | static unsigned long get_error_values(int inc,const char **file,int *line, |
77 | const char **data,int *flags); | |
58964a49 | 78 | static void ERR_STATE_free(ERR_STATE *s); |
d02b48c6 RE |
79 | #ifndef NO_ERR |
80 | static ERR_STRING_DATA ERR_str_libraries[]= | |
81 | { | |
82 | {ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"}, | |
83 | {ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"}, | |
84 | {ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"}, | |
85 | {ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"}, | |
86 | {ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"}, | |
87 | {ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"}, | |
88 | {ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"}, | |
89 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, | |
90 | {ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"}, | |
91 | {ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"}, | |
92 | {ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"}, | |
93 | {ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"}, | |
94 | {ERR_PACK(ERR_LIB_CONF,0,0) ,"configuation file routines"}, | |
95 | {ERR_PACK(ERR_LIB_METH,0,0) ,"X509 lookup 'method' routines"}, | |
96 | {ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"}, | |
97 | {ERR_PACK(ERR_LIB_RSAREF,0,0) ,"RSAref routines"}, | |
98 | {ERR_PACK(ERR_LIB_PROXY,0,0) ,"Proxy routines"}, | |
99 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, | |
100 | {ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"}, | |
834eeef9 | 101 | {ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"}, |
67d5ac03 | 102 | {ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"}, |
d02b48c6 RE |
103 | {0,NULL}, |
104 | }; | |
105 | ||
106 | static ERR_STRING_DATA ERR_str_functs[]= | |
107 | { | |
108 | {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, | |
109 | {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, | |
110 | {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, | |
111 | {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, | |
112 | {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, | |
113 | {ERR_PACK(0,SYS_F_BIND,0), "bind"}, | |
114 | {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, | |
115 | {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, | |
116 | #ifdef WINDOWS | |
117 | {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, | |
118 | #endif | |
a40f6dce | 119 | {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, |
d02b48c6 RE |
120 | {0,NULL}, |
121 | }; | |
122 | ||
123 | static ERR_STRING_DATA ERR_str_reasons[]= | |
124 | { | |
125 | {ERR_R_FATAL ,"fatal"}, | |
126 | {ERR_R_SYS_LIB ,"system lib"}, | |
127 | {ERR_R_BN_LIB ,"BN lib"}, | |
128 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
129 | {ERR_R_DH_LIB ,"DH lib"}, | |
130 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
131 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
132 | {ERR_R_BIO_LIB ,"BIO lib"}, | |
133 | {ERR_R_OBJ_LIB ,"OBJ lib"}, | |
134 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
135 | {ERR_R_X509_LIB ,"X509 lib"}, | |
136 | {ERR_R_METH_LIB ,"METH lib"}, | |
137 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, | |
138 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
139 | {ERR_R_SSL_LIB ,"SSL lib"}, | |
140 | {ERR_R_PROXY_LIB ,"PROXY lib"}, | |
141 | {ERR_R_BIO_LIB ,"BIO lib"}, | |
142 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
67d5ac03 | 143 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
d02b48c6 | 144 | {ERR_R_MALLOC_FAILURE ,"Malloc failure"}, |
d9f0016b | 145 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, |
dfeab068 RE |
146 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, |
147 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, | |
148 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
149 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
150 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
151 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
152 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
153 | ||
d02b48c6 RE |
154 | {0,NULL}, |
155 | }; | |
156 | #endif | |
157 | ||
58964a49 RE |
158 | #define err_clear_data(p,i) \ |
159 | if (((p)->err_data[i] != NULL) && \ | |
160 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
161 | { \ | |
162 | Free((p)->err_data[i]); \ | |
163 | (p)->err_data[i]=NULL; \ | |
164 | } \ | |
165 | (p)->err_data_flags[i]=0; | |
166 | ||
6b691a5c | 167 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
168 | { |
169 | int i; | |
170 | ||
e03ddfae BL |
171 | if(s == NULL) |
172 | return; | |
173 | ||
58964a49 RE |
174 | for (i=0; i<ERR_NUM_ERRORS; i++) |
175 | { | |
176 | err_clear_data(s,i); | |
177 | } | |
178 | Free(s); | |
179 | } | |
180 | ||
6b691a5c | 181 | void ERR_load_ERR_strings(void) |
d02b48c6 RE |
182 | { |
183 | static int init=1; | |
184 | ||
185 | if (init) | |
186 | { | |
187 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
188 | if (init == 0) | |
189 | { | |
190 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
191 | return; | |
192 | } | |
193 | init=0; | |
194 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
195 | ||
196 | #ifndef NO_ERR | |
197 | ERR_load_strings(0,ERR_str_libraries); | |
198 | ERR_load_strings(0,ERR_str_reasons); | |
199 | ERR_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
200 | #endif | |
201 | } | |
202 | } | |
203 | ||
6b691a5c | 204 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 RE |
205 | { |
206 | if (error_hash == NULL) | |
207 | { | |
208 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); | |
209 | error_hash=lh_new(err_hash,err_cmp); | |
210 | if (error_hash == NULL) | |
211 | { | |
212 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
213 | return; | |
214 | } | |
215 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
216 | ||
217 | ERR_load_ERR_strings(); | |
218 | } | |
219 | ||
220 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); | |
221 | while (str->error) | |
222 | { | |
223 | str->error|=ERR_PACK(lib,0,0); | |
224 | lh_insert(error_hash,(char *)str); | |
225 | str++; | |
226 | } | |
227 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
228 | } | |
229 | ||
6b691a5c | 230 | void ERR_free_strings(void) |
d02b48c6 RE |
231 | { |
232 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
233 | ||
234 | if (error_hash != NULL) | |
235 | { | |
236 | lh_free(error_hash); | |
237 | error_hash=NULL; | |
238 | } | |
239 | ||
240 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
241 | } | |
242 | ||
58964a49 RE |
243 | /********************************************************/ |
244 | ||
6b691a5c UM |
245 | void ERR_put_error(int lib, int func, int reason, const char *file, |
246 | int line) | |
d02b48c6 RE |
247 | { |
248 | ERR_STATE *es; | |
249 | ||
a53955d8 UM |
250 | #ifdef _OSD_POSIX |
251 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
252 | * path names in the form "*POSIX(/etc/passwd)". | |
253 | * This dirty hack strips them to something sensible. | |
254 | * @@@ We shouldn't modify a const string, though. | |
255 | */ | |
256 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
257 | char *end; | |
258 | ||
259 | /* Skip the "*POSIX(" prefix */ | |
260 | file += sizeof("*POSIX(")-1; | |
261 | end = &file[strlen(file)-1]; | |
262 | if (*end == ')') | |
263 | *end = '\0'; | |
264 | /* Optional: use the basename of the path only. */ | |
265 | if ((end = strrchr(file, '/')) != NULL) | |
266 | file = &end[1]; | |
267 | } | |
268 | #endif | |
d02b48c6 RE |
269 | es=ERR_get_state(); |
270 | ||
271 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
272 | if (es->top == es->bottom) | |
273 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
274 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); | |
275 | es->err_file[es->top]=file; | |
276 | es->err_line[es->top]=line; | |
58964a49 | 277 | err_clear_data(es,es->top); |
d02b48c6 RE |
278 | } |
279 | ||
6b691a5c | 280 | void ERR_clear_error(void) |
d02b48c6 | 281 | { |
d02b48c6 RE |
282 | ERR_STATE *es; |
283 | ||
284 | es=ERR_get_state(); | |
285 | ||
58964a49 RE |
286 | #if 0 |
287 | /* hmm... is this needed */ | |
d02b48c6 RE |
288 | for (i=0; i<ERR_NUM_ERRORS; i++) |
289 | { | |
290 | es->err_buffer[i]=0; | |
291 | es->err_file[i]=NULL; | |
292 | es->err_line[i]= -1; | |
58964a49 | 293 | err_clear_data(es,i); |
d02b48c6 | 294 | } |
58964a49 | 295 | #endif |
d02b48c6 RE |
296 | es->top=es->bottom=0; |
297 | } | |
298 | ||
d02b48c6 | 299 | |
6b691a5c | 300 | unsigned long ERR_get_error(void) |
58964a49 | 301 | { return(get_error_values(1,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 302 | |
6b691a5c UM |
303 | unsigned long ERR_get_error_line(const char **file, |
304 | int *line) | |
58964a49 | 305 | { return(get_error_values(1,file,line,NULL,NULL)); } |
d02b48c6 | 306 | |
6b691a5c UM |
307 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
308 | const char **data, int *flags) | |
309 | { return(get_error_values(1,file,line, | |
310 | data,flags)); } | |
d02b48c6 | 311 | |
6b691a5c | 312 | unsigned long ERR_peek_error(void) |
58964a49 | 313 | { return(get_error_values(0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 314 | |
6b691a5c UM |
315 | unsigned long ERR_peek_error_line(const char **file, |
316 | int *line) | |
58964a49 | 317 | { return(get_error_values(0,file,line,NULL,NULL)); } |
d02b48c6 | 318 | |
6b691a5c UM |
319 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
320 | const char **data, int *flags) | |
321 | { return(get_error_values(0,file,line, | |
322 | data,flags)); } | |
323 | ||
324 | static unsigned long get_error_values(int inc, const char **file, int *line, | |
325 | const char **data, int *flags) | |
58964a49 RE |
326 | { |
327 | int i=0; | |
d02b48c6 | 328 | ERR_STATE *es; |
58964a49 | 329 | unsigned long ret; |
d02b48c6 RE |
330 | |
331 | es=ERR_get_state(); | |
332 | ||
58964a49 | 333 | if (es->bottom == es->top) return(0); |
d02b48c6 | 334 | i=(es->bottom+1)%ERR_NUM_ERRORS; |
58964a49 RE |
335 | |
336 | ret=es->err_buffer[i]; | |
337 | if (inc) | |
d02b48c6 | 338 | { |
58964a49 RE |
339 | es->bottom=i; |
340 | es->err_buffer[i]=0; | |
d02b48c6 | 341 | } |
58964a49 RE |
342 | |
343 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 344 | { |
58964a49 RE |
345 | if (es->err_file[i] == NULL) |
346 | { | |
347 | *file="NA"; | |
348 | if (line != NULL) *line=0; | |
349 | } | |
350 | else | |
351 | { | |
352 | *file=es->err_file[i]; | |
353 | if (line != NULL) *line=es->err_line[i]; | |
354 | } | |
d02b48c6 | 355 | } |
d02b48c6 | 356 | |
58964a49 RE |
357 | if (data != NULL) |
358 | { | |
359 | if (es->err_data[i] == NULL) | |
360 | { | |
361 | *data=""; | |
362 | if (flags != NULL) *flags=0; | |
363 | } | |
364 | else | |
365 | { | |
366 | *data=es->err_data[i]; | |
367 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
368 | } | |
369 | } | |
d02b48c6 RE |
370 | return(ret); |
371 | } | |
372 | ||
373 | /* BAD for multi-threaded, uses a local buffer if ret == NULL */ | |
6b691a5c | 374 | char *ERR_error_string(unsigned long e, char *ret) |
d02b48c6 RE |
375 | { |
376 | static char buf[256]; | |
e778802f | 377 | const char *ls,*fs,*rs; |
d02b48c6 RE |
378 | unsigned long l,f,r; |
379 | int i; | |
380 | ||
381 | l=ERR_GET_LIB(e); | |
382 | f=ERR_GET_FUNC(e); | |
383 | r=ERR_GET_REASON(e); | |
384 | ||
385 | ls=ERR_lib_error_string(e); | |
386 | fs=ERR_func_error_string(e); | |
387 | rs=ERR_reason_error_string(e); | |
388 | ||
389 | if (ret == NULL) ret=buf; | |
390 | ||
391 | sprintf(&(ret[0]),"error:%08lX:",e); | |
392 | i=strlen(ret); | |
393 | if (ls == NULL) | |
394 | sprintf(&(ret[i]),":lib(%lu) ",l); | |
395 | else sprintf(&(ret[i]),"%s",ls); | |
396 | i=strlen(ret); | |
397 | if (fs == NULL) | |
398 | sprintf(&(ret[i]),":func(%lu) ",f); | |
399 | else sprintf(&(ret[i]),":%s",fs); | |
400 | i=strlen(ret); | |
401 | if (rs == NULL) | |
402 | sprintf(&(ret[i]),":reason(%lu)",r); | |
403 | else sprintf(&(ret[i]),":%s",rs); | |
404 | ||
405 | return(ret); | |
406 | } | |
407 | ||
6b691a5c | 408 | LHASH *ERR_get_string_table(void) |
d02b48c6 RE |
409 | { |
410 | return(error_hash); | |
411 | } | |
412 | ||
6b691a5c | 413 | LHASH *ERR_get_err_state_table(void) |
d02b48c6 RE |
414 | { |
415 | return(thread_hash); | |
416 | } | |
417 | ||
6b691a5c | 418 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 RE |
419 | { |
420 | ERR_STRING_DATA d,*p=NULL; | |
421 | unsigned long l; | |
422 | ||
423 | l=ERR_GET_LIB(e); | |
424 | ||
425 | CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH); | |
426 | ||
427 | if (error_hash != NULL) | |
428 | { | |
429 | d.error=ERR_PACK(l,0,0); | |
430 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,(char *)&d); | |
431 | } | |
432 | ||
433 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH); | |
434 | ||
435 | return((p == NULL)?NULL:p->string); | |
436 | } | |
437 | ||
6b691a5c | 438 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 RE |
439 | { |
440 | ERR_STRING_DATA d,*p=NULL; | |
441 | unsigned long l,f; | |
442 | ||
443 | l=ERR_GET_LIB(e); | |
444 | f=ERR_GET_FUNC(e); | |
445 | ||
446 | CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH); | |
447 | ||
448 | if (error_hash != NULL) | |
449 | { | |
450 | d.error=ERR_PACK(l,f,0); | |
451 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,(char *)&d); | |
452 | } | |
453 | ||
454 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH); | |
455 | ||
456 | return((p == NULL)?NULL:p->string); | |
457 | } | |
458 | ||
6b691a5c | 459 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
460 | { |
461 | ERR_STRING_DATA d,*p=NULL; | |
462 | unsigned long l,r; | |
463 | ||
464 | l=ERR_GET_LIB(e); | |
465 | r=ERR_GET_REASON(e); | |
466 | ||
467 | CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH); | |
468 | ||
469 | if (error_hash != NULL) | |
470 | { | |
471 | d.error=ERR_PACK(l,0,r); | |
472 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,(char *)&d); | |
473 | if (p == NULL) | |
474 | { | |
475 | d.error=ERR_PACK(0,0,r); | |
476 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash, | |
477 | (char *)&d); | |
478 | } | |
479 | } | |
480 | ||
481 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH); | |
482 | ||
483 | return((p == NULL)?NULL:p->string); | |
484 | } | |
485 | ||
6b691a5c | 486 | static unsigned long err_hash(ERR_STRING_DATA *a) |
d02b48c6 RE |
487 | { |
488 | unsigned long ret,l; | |
489 | ||
490 | l=a->error; | |
491 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); | |
492 | return(ret^ret%19*13); | |
493 | } | |
494 | ||
6b691a5c | 495 | static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) |
d02b48c6 RE |
496 | { |
497 | return((int)(a->error-b->error)); | |
498 | } | |
499 | ||
6b691a5c | 500 | static unsigned long pid_hash(ERR_STATE *a) |
d02b48c6 RE |
501 | { |
502 | return(a->pid*13); | |
503 | } | |
504 | ||
6b691a5c | 505 | static int pid_cmp(ERR_STATE *a, ERR_STATE *b) |
d02b48c6 RE |
506 | { |
507 | return((int)((long)a->pid - (long)b->pid)); | |
508 | } | |
509 | ||
6b691a5c | 510 | void ERR_remove_state(unsigned long pid) |
d02b48c6 RE |
511 | { |
512 | ERR_STATE *p,tmp; | |
513 | ||
514 | if (thread_hash == NULL) | |
515 | return; | |
516 | if (pid == 0) | |
517 | pid=(unsigned long)CRYPTO_thread_id(); | |
518 | tmp.pid=pid; | |
519 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
520 | p=(ERR_STATE *)lh_delete(thread_hash,(char *)&tmp); | |
d02b48c6 | 521 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
58964a49 RE |
522 | |
523 | if (p != NULL) ERR_STATE_free(p); | |
d02b48c6 RE |
524 | } |
525 | ||
6b691a5c | 526 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
527 | { |
528 | static ERR_STATE fallback; | |
529 | ERR_STATE *ret=NULL,tmp,*tmpp; | |
58964a49 | 530 | int i; |
d02b48c6 RE |
531 | unsigned long pid; |
532 | ||
533 | pid=(unsigned long)CRYPTO_thread_id(); | |
534 | ||
535 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); | |
536 | if (thread_hash == NULL) | |
537 | { | |
538 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
539 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
540 | if (thread_hash == NULL) | |
541 | { | |
dfeab068 | 542 | MemCheck_off(); |
d02b48c6 | 543 | thread_hash=lh_new(pid_hash,pid_cmp); |
dfeab068 | 544 | MemCheck_on(); |
d02b48c6 RE |
545 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
546 | if (thread_hash == NULL) return(&fallback); | |
547 | } | |
548 | else | |
549 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
550 | } | |
551 | else | |
552 | { | |
553 | tmp.pid=pid; | |
554 | ret=(ERR_STATE *)lh_retrieve(thread_hash,(char *)&tmp); | |
555 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
556 | } | |
557 | ||
558 | /* ret == the error state, if NULL, make a new one */ | |
559 | if (ret == NULL) | |
560 | { | |
561 | ret=(ERR_STATE *)Malloc(sizeof(ERR_STATE)); | |
562 | if (ret == NULL) return(&fallback); | |
563 | ret->pid=pid; | |
564 | ret->top=0; | |
565 | ret->bottom=0; | |
58964a49 RE |
566 | for (i=0; i<ERR_NUM_ERRORS; i++) |
567 | { | |
568 | ret->err_data[i]=NULL; | |
569 | ret->err_data_flags[i]=0; | |
570 | } | |
d02b48c6 RE |
571 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
572 | tmpp=(ERR_STATE *)lh_insert(thread_hash,(char *)ret); | |
573 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
574 | if (tmpp != NULL) /* old entry - should not happen */ | |
58964a49 RE |
575 | { |
576 | ERR_STATE_free(tmpp); | |
577 | } | |
d02b48c6 RE |
578 | } |
579 | return(ret); | |
580 | } | |
581 | ||
6b691a5c | 582 | int ERR_get_next_error_library(void) |
58964a49 RE |
583 | { |
584 | static int value=ERR_LIB_USER; | |
585 | ||
586 | return(value++); | |
587 | } | |
588 | ||
6b691a5c | 589 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
590 | { |
591 | ERR_STATE *es; | |
592 | int i; | |
593 | ||
594 | es=ERR_get_state(); | |
595 | ||
596 | i=es->top; | |
597 | if (i == 0) | |
598 | i=ERR_NUM_ERRORS-1; | |
599 | ||
600 | es->err_data[i]=data; | |
601 | es->err_data_flags[es->top]=flags; | |
602 | } | |
603 | ||
4565c3e3 | 604 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 605 | { |
4565c3e3 | 606 | va_list args; |
58964a49 RE |
607 | int i,n,s; |
608 | char *str,*p,*a; | |
609 | ||
610 | s=64; | |
611 | str=Malloc(s+1); | |
612 | if (str == NULL) return; | |
613 | str[0]='\0'; | |
614 | ||
4565c3e3 | 615 | va_start(args, num); |
58964a49 RE |
616 | n=0; |
617 | for (i=0; i<num; i++) | |
618 | { | |
4565c3e3 | 619 | a=va_arg(args, char*); |
dfeab068 RE |
620 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
621 | if (a != NULL) | |
58964a49 | 622 | { |
dfeab068 RE |
623 | n+=strlen(a); |
624 | if (n > s) | |
58964a49 | 625 | { |
dfeab068 RE |
626 | s=n+20; |
627 | p=Realloc(str,s+1); | |
628 | if (p == NULL) | |
629 | { | |
630 | Free(str); | |
631 | return; | |
632 | } | |
633 | else | |
634 | str=p; | |
58964a49 | 635 | } |
dfeab068 | 636 | strcat(str,a); |
58964a49 | 637 | } |
58964a49 RE |
638 | } |
639 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
640 | ||
4565c3e3 | 641 | va_end(args); |
58964a49 RE |
642 | } |
643 |