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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 | */ | |
0a150c5c BM |
58 | /* ==================================================================== |
59 | * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. | |
60 | * | |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
66 | * notice, this list of conditions and the following disclaimer. | |
67 | * | |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 | * | |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
81 | * openssl-core@openssl.org. | |
82 | * | |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
105 | * | |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
110 | */ | |
d02b48c6 RE |
111 | |
112 | #include <stdio.h> | |
4565c3e3 | 113 | #include <stdarg.h> |
0a150c5c | 114 | #include <string.h> |
ec577822 BM |
115 | #include <openssl/lhash.h> |
116 | #include <openssl/crypto.h> | |
d02b48c6 | 117 | #include "cryptlib.h" |
ec577822 | 118 | #include <openssl/buffer.h> |
e5c84d51 | 119 | #include <openssl/bio.h> |
dcba2534 | 120 | #include <openssl/err.h> |
d02b48c6 RE |
121 | |
122 | ||
123 | static LHASH *error_hash=NULL; | |
124 | static LHASH *thread_hash=NULL; | |
125 | ||
d0fa136c | 126 | /* static unsigned long err_hash(ERR_STRING_DATA *a); */ |
8d28d5f8 | 127 | static unsigned long err_hash(const void *a_void); |
d0fa136c | 128 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */ |
8d28d5f8 | 129 | static int err_cmp(const void *a_void, const void *b_void); |
d0fa136c | 130 | /* static unsigned long pid_hash(ERR_STATE *pid); */ |
8d28d5f8 | 131 | static unsigned long pid_hash(const void *pid_void); |
d0fa136c | 132 | /* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */ |
8d28d5f8 | 133 | static int pid_cmp(const void *a_void,const void *pid_void); |
e778802f BL |
134 | static unsigned long get_error_values(int inc,const char **file,int *line, |
135 | const char **data,int *flags); | |
97b17195 | 136 | |
58964a49 | 137 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 138 | #ifndef OPENSSL_NO_ERR |
d02b48c6 RE |
139 | static ERR_STRING_DATA ERR_str_libraries[]= |
140 | { | |
141 | {ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"}, | |
142 | {ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"}, | |
143 | {ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"}, | |
144 | {ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"}, | |
b4b41f48 | 145 | {ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"}, |
d02b48c6 RE |
146 | {ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"}, |
147 | {ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"}, | |
148 | {ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"}, | |
149 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, | |
150 | {ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"}, | |
151 | {ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"}, | |
152 | {ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"}, | |
153 | {ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"}, | |
657e60fa | 154 | {ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"}, |
d02b48c6 RE |
155 | {ERR_PACK(ERR_LIB_METH,0,0) ,"X509 lookup 'method' routines"}, |
156 | {ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"}, | |
157 | {ERR_PACK(ERR_LIB_RSAREF,0,0) ,"RSAref routines"}, | |
158 | {ERR_PACK(ERR_LIB_PROXY,0,0) ,"Proxy routines"}, | |
159 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, | |
160 | {ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"}, | |
834eeef9 | 161 | {ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"}, |
67d5ac03 | 162 | {ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"}, |
eb952088 | 163 | {ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"}, |
9ec0126e | 164 | {ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"}, |
5270e702 | 165 | {ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"}, |
8e961835 | 166 | {ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"}, |
d02b48c6 RE |
167 | {0,NULL}, |
168 | }; | |
169 | ||
170 | static ERR_STRING_DATA ERR_str_functs[]= | |
171 | { | |
172 | {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, | |
173 | {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, | |
174 | {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, | |
175 | {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, | |
176 | {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, | |
177 | {ERR_PACK(0,SYS_F_BIND,0), "bind"}, | |
178 | {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, | |
179 | {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, | |
bc36ee62 | 180 | #ifdef OPENSSL_SYS_WINDOWS |
d02b48c6 RE |
181 | {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, |
182 | #endif | |
a40f6dce | 183 | {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, |
d02b48c6 RE |
184 | {0,NULL}, |
185 | }; | |
186 | ||
187 | static ERR_STRING_DATA ERR_str_reasons[]= | |
188 | { | |
189 | {ERR_R_FATAL ,"fatal"}, | |
190 | {ERR_R_SYS_LIB ,"system lib"}, | |
191 | {ERR_R_BN_LIB ,"BN lib"}, | |
192 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
193 | {ERR_R_DH_LIB ,"DH lib"}, | |
194 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
195 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
196 | {ERR_R_BIO_LIB ,"BIO lib"}, | |
197 | {ERR_R_OBJ_LIB ,"OBJ lib"}, | |
198 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
199 | {ERR_R_X509_LIB ,"X509 lib"}, | |
200 | {ERR_R_METH_LIB ,"METH lib"}, | |
201 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, | |
202 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
203 | {ERR_R_SSL_LIB ,"SSL lib"}, | |
204 | {ERR_R_PROXY_LIB ,"PROXY lib"}, | |
205 | {ERR_R_BIO_LIB ,"BIO lib"}, | |
206 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
67d5ac03 | 207 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
d02b48c6 | 208 | {ERR_R_MALLOC_FAILURE ,"Malloc failure"}, |
d9f0016b | 209 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, |
dfeab068 RE |
210 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, |
211 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, | |
212 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
213 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
214 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
215 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
216 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
9ec0126e | 217 | {ERR_R_DSO_LIB ,"DSO lib"}, |
5270e702 | 218 | {ERR_R_ENGINE_LIB ,"ENGINE lib"}, |
dfeab068 | 219 | |
d02b48c6 RE |
220 | {0,NULL}, |
221 | }; | |
0a150c5c BM |
222 | |
223 | ||
224 | #define NUM_SYS_STR_REASONS 127 | |
225 | #define LEN_SYS_STR_REASON 32 | |
226 | ||
227 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
228 | /* SYS_str_reasons is filled with copies of strerror() results at | |
229 | * initialization. | |
230 | * 'errno' values up to 127 should cover all usual errors, | |
231 | * others will be displayed numerically by ERR_error_string. | |
232 | * It is crucial that we have something for each reason code | |
233 | * that occurs in ERR_str_reasons, or bogus reason strings | |
234 | * will be returned for SYSerr(), which always gets an errno | |
235 | * value and never one of those 'standard' reason codes. */ | |
236 | ||
237 | static void build_SYS_str_reasons() | |
238 | { | |
26a3a48d | 239 | /* OPENSSL_malloc cannot be used here, use static storage instead */ |
0a150c5c BM |
240 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; |
241 | int i; | |
242 | ||
243 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); | |
244 | ||
245 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
246 | { | |
247 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
248 | ||
249 | str->error = (unsigned long)i; | |
250 | if (str->string == NULL) | |
251 | { | |
252 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
253 | char *src = strerror(i); | |
254 | if (src != NULL) | |
255 | { | |
256 | strncpy(*dest, src, sizeof *dest); | |
257 | (*dest)[sizeof *dest - 1] = '\0'; | |
258 | str->string = *dest; | |
259 | } | |
260 | } | |
261 | if (str->string == NULL) | |
262 | str->string = "unknown"; | |
263 | } | |
264 | ||
265 | /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
266 | * as required by ERR_load_strings. */ | |
267 | ||
268 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
269 | } | |
d02b48c6 RE |
270 | #endif |
271 | ||
58964a49 RE |
272 | #define err_clear_data(p,i) \ |
273 | if (((p)->err_data[i] != NULL) && \ | |
274 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
275 | { \ | |
26a3a48d | 276 | OPENSSL_free((p)->err_data[i]); \ |
58964a49 RE |
277 | (p)->err_data[i]=NULL; \ |
278 | } \ | |
279 | (p)->err_data_flags[i]=0; | |
280 | ||
6b691a5c | 281 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
282 | { |
283 | int i; | |
284 | ||
e03ddfae BL |
285 | if(s == NULL) |
286 | return; | |
287 | ||
58964a49 RE |
288 | for (i=0; i<ERR_NUM_ERRORS; i++) |
289 | { | |
290 | err_clear_data(s,i); | |
291 | } | |
26a3a48d | 292 | OPENSSL_free(s); |
58964a49 RE |
293 | } |
294 | ||
6b691a5c | 295 | void ERR_load_ERR_strings(void) |
d02b48c6 RE |
296 | { |
297 | static int init=1; | |
298 | ||
299 | if (init) | |
300 | { | |
301 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
302 | if (init == 0) | |
303 | { | |
304 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
305 | return; | |
306 | } | |
d02b48c6 RE |
307 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
308 | ||
cf1b7d96 | 309 | #ifndef OPENSSL_NO_ERR |
d02b48c6 RE |
310 | ERR_load_strings(0,ERR_str_libraries); |
311 | ERR_load_strings(0,ERR_str_reasons); | |
312 | ERR_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
0a150c5c BM |
313 | build_SYS_str_reasons(); |
314 | ERR_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
d02b48c6 | 315 | #endif |
0a150c5c | 316 | init=0; |
d02b48c6 RE |
317 | } |
318 | } | |
319 | ||
6b691a5c | 320 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 RE |
321 | { |
322 | if (error_hash == NULL) | |
323 | { | |
324 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); | |
d0fa136c | 325 | error_hash=lh_new(err_hash, err_cmp); |
d02b48c6 RE |
326 | if (error_hash == NULL) |
327 | { | |
328 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
329 | return; | |
330 | } | |
331 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
332 | ||
333 | ERR_load_ERR_strings(); | |
334 | } | |
335 | ||
336 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); | |
337 | while (str->error) | |
338 | { | |
339 | str->error|=ERR_PACK(lib,0,0); | |
9d1a01be | 340 | lh_insert(error_hash,str); |
d02b48c6 RE |
341 | str++; |
342 | } | |
343 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
344 | } | |
345 | ||
6b691a5c | 346 | void ERR_free_strings(void) |
d02b48c6 RE |
347 | { |
348 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
349 | ||
350 | if (error_hash != NULL) | |
351 | { | |
352 | lh_free(error_hash); | |
353 | error_hash=NULL; | |
354 | } | |
355 | ||
356 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
357 | } | |
358 | ||
58964a49 RE |
359 | /********************************************************/ |
360 | ||
6b691a5c UM |
361 | void ERR_put_error(int lib, int func, int reason, const char *file, |
362 | int line) | |
d02b48c6 RE |
363 | { |
364 | ERR_STATE *es; | |
365 | ||
a53955d8 UM |
366 | #ifdef _OSD_POSIX |
367 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
368 | * path names in the form "*POSIX(/etc/passwd)". | |
369 | * This dirty hack strips them to something sensible. | |
370 | * @@@ We shouldn't modify a const string, though. | |
371 | */ | |
372 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
373 | char *end; | |
374 | ||
375 | /* Skip the "*POSIX(" prefix */ | |
376 | file += sizeof("*POSIX(")-1; | |
377 | end = &file[strlen(file)-1]; | |
378 | if (*end == ')') | |
379 | *end = '\0'; | |
380 | /* Optional: use the basename of the path only. */ | |
381 | if ((end = strrchr(file, '/')) != NULL) | |
382 | file = &end[1]; | |
383 | } | |
384 | #endif | |
d02b48c6 RE |
385 | es=ERR_get_state(); |
386 | ||
387 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
388 | if (es->top == es->bottom) | |
389 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
390 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); | |
391 | es->err_file[es->top]=file; | |
392 | es->err_line[es->top]=line; | |
58964a49 | 393 | err_clear_data(es,es->top); |
d02b48c6 RE |
394 | } |
395 | ||
6b691a5c | 396 | void ERR_clear_error(void) |
d02b48c6 | 397 | { |
d02b48c6 RE |
398 | ERR_STATE *es; |
399 | ||
400 | es=ERR_get_state(); | |
401 | ||
58964a49 RE |
402 | #if 0 |
403 | /* hmm... is this needed */ | |
d02b48c6 RE |
404 | for (i=0; i<ERR_NUM_ERRORS; i++) |
405 | { | |
406 | es->err_buffer[i]=0; | |
407 | es->err_file[i]=NULL; | |
408 | es->err_line[i]= -1; | |
58964a49 | 409 | err_clear_data(es,i); |
d02b48c6 | 410 | } |
58964a49 | 411 | #endif |
d02b48c6 RE |
412 | es->top=es->bottom=0; |
413 | } | |
414 | ||
d02b48c6 | 415 | |
6b691a5c | 416 | unsigned long ERR_get_error(void) |
58964a49 | 417 | { return(get_error_values(1,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 418 | |
6b691a5c UM |
419 | unsigned long ERR_get_error_line(const char **file, |
420 | int *line) | |
58964a49 | 421 | { return(get_error_values(1,file,line,NULL,NULL)); } |
d02b48c6 | 422 | |
6b691a5c UM |
423 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
424 | const char **data, int *flags) | |
425 | { return(get_error_values(1,file,line, | |
426 | data,flags)); } | |
d02b48c6 | 427 | |
6b691a5c | 428 | unsigned long ERR_peek_error(void) |
58964a49 | 429 | { return(get_error_values(0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 430 | |
6b691a5c UM |
431 | unsigned long ERR_peek_error_line(const char **file, |
432 | int *line) | |
58964a49 | 433 | { return(get_error_values(0,file,line,NULL,NULL)); } |
d02b48c6 | 434 | |
6b691a5c UM |
435 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
436 | const char **data, int *flags) | |
437 | { return(get_error_values(0,file,line, | |
438 | data,flags)); } | |
439 | ||
440 | static unsigned long get_error_values(int inc, const char **file, int *line, | |
441 | const char **data, int *flags) | |
58964a49 RE |
442 | { |
443 | int i=0; | |
d02b48c6 | 444 | ERR_STATE *es; |
58964a49 | 445 | unsigned long ret; |
d02b48c6 RE |
446 | |
447 | es=ERR_get_state(); | |
448 | ||
58964a49 | 449 | if (es->bottom == es->top) return(0); |
d02b48c6 | 450 | i=(es->bottom+1)%ERR_NUM_ERRORS; |
58964a49 RE |
451 | |
452 | ret=es->err_buffer[i]; | |
453 | if (inc) | |
d02b48c6 | 454 | { |
58964a49 RE |
455 | es->bottom=i; |
456 | es->err_buffer[i]=0; | |
d02b48c6 | 457 | } |
58964a49 RE |
458 | |
459 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 460 | { |
58964a49 RE |
461 | if (es->err_file[i] == NULL) |
462 | { | |
463 | *file="NA"; | |
464 | if (line != NULL) *line=0; | |
465 | } | |
466 | else | |
467 | { | |
468 | *file=es->err_file[i]; | |
469 | if (line != NULL) *line=es->err_line[i]; | |
470 | } | |
d02b48c6 | 471 | } |
d02b48c6 | 472 | |
58964a49 RE |
473 | if (data != NULL) |
474 | { | |
475 | if (es->err_data[i] == NULL) | |
476 | { | |
477 | *data=""; | |
478 | if (flags != NULL) *flags=0; | |
479 | } | |
480 | else | |
481 | { | |
482 | *data=es->err_data[i]; | |
483 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
484 | } | |
485 | } | |
d02b48c6 RE |
486 | return(ret); |
487 | } | |
488 | ||
e5c84d51 | 489 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
d02b48c6 | 490 | { |
e5c84d51 | 491 | char lsbuf[64], fsbuf[64], rsbuf[64]; |
e778802f | 492 | const char *ls,*fs,*rs; |
d02b48c6 | 493 | unsigned long l,f,r; |
d02b48c6 RE |
494 | |
495 | l=ERR_GET_LIB(e); | |
496 | f=ERR_GET_FUNC(e); | |
497 | r=ERR_GET_REASON(e); | |
498 | ||
499 | ls=ERR_lib_error_string(e); | |
500 | fs=ERR_func_error_string(e); | |
501 | rs=ERR_reason_error_string(e); | |
502 | ||
e5c84d51 BM |
503 | if (ls == NULL) |
504 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
d02b48c6 | 505 | if (fs == NULL) |
e5c84d51 | 506 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
d02b48c6 | 507 | if (rs == NULL) |
e5c84d51 BM |
508 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
509 | ||
510 | BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
511 | fs?fs:fsbuf, rs?rs:rsbuf); | |
512 | if (strlen(buf) == len-1) | |
513 | { | |
514 | /* output may be truncated; make sure we always have 5 | |
515 | * colon-separated fields, i.e. 4 colons ... */ | |
516 | #define NUM_COLONS 4 | |
517 | if (len > NUM_COLONS) /* ... if possible */ | |
518 | { | |
519 | int i; | |
520 | char *s = buf; | |
521 | ||
522 | for (i = 0; i < NUM_COLONS; i++) | |
523 | { | |
524 | char *colon = strchr(s, ':'); | |
525 | if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) | |
526 | { | |
527 | /* set colon no. i at last possible position | |
528 | * (buf[len-1] is the terminating 0)*/ | |
529 | colon = &buf[len-1] - NUM_COLONS + i; | |
530 | *colon = ':'; | |
531 | } | |
532 | s = colon + 1; | |
533 | } | |
534 | } | |
535 | } | |
536 | } | |
537 | ||
538 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
539 | /* ERR_error_string_n should be used instead for ret != NULL | |
540 | * as ERR_error_string cannot know how large the buffer is */ | |
541 | char *ERR_error_string(unsigned long e, char *ret) | |
542 | { | |
543 | static char buf[256]; | |
544 | ||
545 | if (ret == NULL) ret=buf; | |
065866b2 | 546 | ERR_error_string_n(e, ret, 256); |
d02b48c6 RE |
547 | |
548 | return(ret); | |
549 | } | |
550 | ||
6b691a5c | 551 | LHASH *ERR_get_string_table(void) |
d02b48c6 RE |
552 | { |
553 | return(error_hash); | |
554 | } | |
555 | ||
dcba2534 | 556 | /* not thread-safe */ |
6b691a5c | 557 | LHASH *ERR_get_err_state_table(void) |
d02b48c6 RE |
558 | { |
559 | return(thread_hash); | |
560 | } | |
561 | ||
6b691a5c | 562 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 RE |
563 | { |
564 | ERR_STRING_DATA d,*p=NULL; | |
565 | unsigned long l; | |
566 | ||
567 | l=ERR_GET_LIB(e); | |
568 | ||
2d789604 | 569 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); |
d02b48c6 RE |
570 | |
571 | if (error_hash != NULL) | |
572 | { | |
573 | d.error=ERR_PACK(l,0,0); | |
9d1a01be | 574 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d); |
d02b48c6 RE |
575 | } |
576 | ||
2d789604 | 577 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); |
d02b48c6 RE |
578 | |
579 | return((p == NULL)?NULL:p->string); | |
580 | } | |
581 | ||
6b691a5c | 582 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 RE |
583 | { |
584 | ERR_STRING_DATA d,*p=NULL; | |
585 | unsigned long l,f; | |
586 | ||
587 | l=ERR_GET_LIB(e); | |
588 | f=ERR_GET_FUNC(e); | |
589 | ||
2d789604 | 590 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); |
d02b48c6 RE |
591 | |
592 | if (error_hash != NULL) | |
593 | { | |
594 | d.error=ERR_PACK(l,f,0); | |
9d1a01be | 595 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d); |
d02b48c6 RE |
596 | } |
597 | ||
2d789604 | 598 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); |
d02b48c6 RE |
599 | |
600 | return((p == NULL)?NULL:p->string); | |
601 | } | |
602 | ||
6b691a5c | 603 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
604 | { |
605 | ERR_STRING_DATA d,*p=NULL; | |
606 | unsigned long l,r; | |
607 | ||
608 | l=ERR_GET_LIB(e); | |
609 | r=ERR_GET_REASON(e); | |
610 | ||
2d789604 | 611 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); |
d02b48c6 RE |
612 | |
613 | if (error_hash != NULL) | |
614 | { | |
615 | d.error=ERR_PACK(l,0,r); | |
9d1a01be | 616 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d); |
d02b48c6 RE |
617 | if (p == NULL) |
618 | { | |
619 | d.error=ERR_PACK(0,0,r); | |
9d1a01be | 620 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d); |
d02b48c6 RE |
621 | } |
622 | } | |
623 | ||
2d789604 | 624 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); |
d02b48c6 RE |
625 | |
626 | return((p == NULL)?NULL:p->string); | |
627 | } | |
628 | ||
d0fa136c | 629 | /* static unsigned long err_hash(ERR_STRING_DATA *a) */ |
8d28d5f8 | 630 | static unsigned long err_hash(const void *a_void) |
d02b48c6 RE |
631 | { |
632 | unsigned long ret,l; | |
633 | ||
d0fa136c | 634 | l=((ERR_STRING_DATA *)a_void)->error; |
d02b48c6 RE |
635 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); |
636 | return(ret^ret%19*13); | |
637 | } | |
638 | ||
d0fa136c | 639 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */ |
8d28d5f8 | 640 | static int err_cmp(const void *a_void, const void *b_void) |
d02b48c6 | 641 | { |
d0fa136c GT |
642 | return((int)(((ERR_STRING_DATA *)a_void)->error - |
643 | ((ERR_STRING_DATA *)b_void)->error)); | |
d02b48c6 RE |
644 | } |
645 | ||
d0fa136c | 646 | /* static unsigned long pid_hash(ERR_STATE *a) */ |
8d28d5f8 | 647 | static unsigned long pid_hash(const void *a_void) |
d02b48c6 | 648 | { |
d0fa136c | 649 | return(((ERR_STATE *)a_void)->pid*13); |
d02b48c6 RE |
650 | } |
651 | ||
d0fa136c | 652 | /* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */ |
8d28d5f8 | 653 | static int pid_cmp(const void *a_void, const void *b_void) |
d02b48c6 | 654 | { |
d0fa136c GT |
655 | return((int)((long)((ERR_STATE *)a_void)->pid - |
656 | (long)((ERR_STATE *)b_void)->pid)); | |
d02b48c6 RE |
657 | } |
658 | ||
6b691a5c | 659 | void ERR_remove_state(unsigned long pid) |
d02b48c6 | 660 | { |
033d001e | 661 | ERR_STATE *p = NULL,tmp; |
d02b48c6 RE |
662 | |
663 | if (thread_hash == NULL) | |
664 | return; | |
665 | if (pid == 0) | |
666 | pid=(unsigned long)CRYPTO_thread_id(); | |
667 | tmp.pid=pid; | |
668 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
34f0fe9d | 669 | if (thread_hash) |
dcba2534 | 670 | { |
34f0fe9d RL |
671 | p=(ERR_STATE *)lh_delete(thread_hash,&tmp); |
672 | if (lh_num_items(thread_hash) == 0) | |
673 | { | |
674 | /* make sure we don't leak memory */ | |
675 | lh_free(thread_hash); | |
676 | thread_hash = NULL; | |
677 | } | |
dcba2534 | 678 | } |
d02b48c6 | 679 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
58964a49 RE |
680 | |
681 | if (p != NULL) ERR_STATE_free(p); | |
d02b48c6 RE |
682 | } |
683 | ||
6b691a5c | 684 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
685 | { |
686 | static ERR_STATE fallback; | |
aa9fb57b | 687 | ERR_STATE *ret=NULL,tmp,*tmpp=NULL; |
dcba2534 | 688 | int thread_state_exists; |
58964a49 | 689 | int i; |
d02b48c6 RE |
690 | unsigned long pid; |
691 | ||
692 | pid=(unsigned long)CRYPTO_thread_id(); | |
693 | ||
2d789604 | 694 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
dcba2534 | 695 | if (thread_hash != NULL) |
d02b48c6 RE |
696 | { |
697 | tmp.pid=pid; | |
9d1a01be | 698 | ret=(ERR_STATE *)lh_retrieve(thread_hash,&tmp); |
d02b48c6 | 699 | } |
2d789604 | 700 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
d02b48c6 RE |
701 | |
702 | /* ret == the error state, if NULL, make a new one */ | |
703 | if (ret == NULL) | |
704 | { | |
26a3a48d | 705 | ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); |
d02b48c6 RE |
706 | if (ret == NULL) return(&fallback); |
707 | ret->pid=pid; | |
708 | ret->top=0; | |
709 | ret->bottom=0; | |
58964a49 RE |
710 | for (i=0; i<ERR_NUM_ERRORS; i++) |
711 | { | |
712 | ret->err_data[i]=NULL; | |
713 | ret->err_data_flags[i]=0; | |
714 | } | |
dcba2534 | 715 | |
d02b48c6 | 716 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
dcba2534 BM |
717 | |
718 | /* no entry yet in thread_hash for current thread - | |
719 | * thus, it may have changed since we last looked at it */ | |
720 | if (thread_hash == NULL) | |
d0fa136c | 721 | thread_hash = lh_new(pid_hash, pid_cmp); |
dcba2534 BM |
722 | if (thread_hash == NULL) |
723 | thread_state_exists = 0; /* allocation error */ | |
724 | else | |
725 | { | |
726 | tmpp=(ERR_STATE *)lh_insert(thread_hash,ret); | |
727 | thread_state_exists = 1; | |
728 | } | |
729 | ||
d02b48c6 | 730 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
dcba2534 BM |
731 | |
732 | if (!thread_state_exists) | |
733 | { | |
734 | ERR_STATE_free(ret); /* could not insert it */ | |
735 | return(&fallback); | |
736 | } | |
737 | ||
d02b48c6 | 738 | if (tmpp != NULL) /* old entry - should not happen */ |
58964a49 RE |
739 | { |
740 | ERR_STATE_free(tmpp); | |
741 | } | |
d02b48c6 RE |
742 | } |
743 | return(ret); | |
744 | } | |
745 | ||
6b691a5c | 746 | int ERR_get_next_error_library(void) |
58964a49 RE |
747 | { |
748 | static int value=ERR_LIB_USER; | |
749 | ||
750 | return(value++); | |
751 | } | |
752 | ||
6b691a5c | 753 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
754 | { |
755 | ERR_STATE *es; | |
756 | int i; | |
757 | ||
758 | es=ERR_get_state(); | |
759 | ||
760 | i=es->top; | |
761 | if (i == 0) | |
762 | i=ERR_NUM_ERRORS-1; | |
763 | ||
764 | es->err_data[i]=data; | |
765 | es->err_data_flags[es->top]=flags; | |
766 | } | |
767 | ||
4565c3e3 | 768 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 769 | { |
4565c3e3 | 770 | va_list args; |
58964a49 RE |
771 | int i,n,s; |
772 | char *str,*p,*a; | |
773 | ||
774 | s=64; | |
26a3a48d | 775 | str=OPENSSL_malloc(s+1); |
58964a49 RE |
776 | if (str == NULL) return; |
777 | str[0]='\0'; | |
778 | ||
4565c3e3 | 779 | va_start(args, num); |
58964a49 RE |
780 | n=0; |
781 | for (i=0; i<num; i++) | |
782 | { | |
4565c3e3 | 783 | a=va_arg(args, char*); |
dfeab068 RE |
784 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
785 | if (a != NULL) | |
58964a49 | 786 | { |
dfeab068 RE |
787 | n+=strlen(a); |
788 | if (n > s) | |
58964a49 | 789 | { |
dfeab068 | 790 | s=n+20; |
26a3a48d | 791 | p=OPENSSL_realloc(str,s+1); |
dfeab068 RE |
792 | if (p == NULL) |
793 | { | |
26a3a48d | 794 | OPENSSL_free(str); |
dfeab068 RE |
795 | return; |
796 | } | |
797 | else | |
798 | str=p; | |
58964a49 | 799 | } |
dfeab068 | 800 | strcat(str,a); |
58964a49 | 801 | } |
58964a49 RE |
802 | } |
803 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
804 | ||
4565c3e3 | 805 | va_end(args); |
58964a49 RE |
806 | } |
807 |