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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 BM |
118 | #include <openssl/buffer.h> |
119 | #include <openssl/err.h> | |
120 | #include <openssl/crypto.h> | |
e5c84d51 | 121 | #include <openssl/bio.h> |
d02b48c6 RE |
122 | |
123 | ||
124 | static LHASH *error_hash=NULL; | |
125 | static LHASH *thread_hash=NULL; | |
126 | ||
d02b48c6 RE |
127 | static unsigned long err_hash(ERR_STRING_DATA *a); |
128 | static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); | |
129 | static unsigned long pid_hash(ERR_STATE *pid); | |
130 | static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); | |
e778802f BL |
131 | static unsigned long get_error_values(int inc,const char **file,int *line, |
132 | const char **data,int *flags); | |
58964a49 | 133 | static void ERR_STATE_free(ERR_STATE *s); |
d02b48c6 RE |
134 | #ifndef NO_ERR |
135 | static ERR_STRING_DATA ERR_str_libraries[]= | |
136 | { | |
137 | {ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"}, | |
138 | {ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"}, | |
139 | {ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"}, | |
140 | {ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"}, | |
141 | {ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"}, | |
142 | {ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"}, | |
143 | {ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"}, | |
144 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, | |
145 | {ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"}, | |
146 | {ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"}, | |
147 | {ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"}, | |
148 | {ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"}, | |
657e60fa | 149 | {ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"}, |
d02b48c6 RE |
150 | {ERR_PACK(ERR_LIB_METH,0,0) ,"X509 lookup 'method' routines"}, |
151 | {ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"}, | |
152 | {ERR_PACK(ERR_LIB_RSAREF,0,0) ,"RSAref routines"}, | |
153 | {ERR_PACK(ERR_LIB_PROXY,0,0) ,"Proxy routines"}, | |
154 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, | |
155 | {ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"}, | |
834eeef9 | 156 | {ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"}, |
67d5ac03 | 157 | {ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"}, |
eb952088 | 158 | {ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"}, |
9ec0126e | 159 | {ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"}, |
d02b48c6 RE |
160 | {0,NULL}, |
161 | }; | |
162 | ||
163 | static ERR_STRING_DATA ERR_str_functs[]= | |
164 | { | |
165 | {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, | |
166 | {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, | |
167 | {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, | |
168 | {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, | |
169 | {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, | |
170 | {ERR_PACK(0,SYS_F_BIND,0), "bind"}, | |
171 | {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, | |
172 | {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, | |
173 | #ifdef WINDOWS | |
174 | {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, | |
175 | #endif | |
a40f6dce | 176 | {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, |
d02b48c6 RE |
177 | {0,NULL}, |
178 | }; | |
179 | ||
180 | static ERR_STRING_DATA ERR_str_reasons[]= | |
181 | { | |
182 | {ERR_R_FATAL ,"fatal"}, | |
183 | {ERR_R_SYS_LIB ,"system lib"}, | |
184 | {ERR_R_BN_LIB ,"BN lib"}, | |
185 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
186 | {ERR_R_DH_LIB ,"DH lib"}, | |
187 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
188 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
189 | {ERR_R_BIO_LIB ,"BIO lib"}, | |
190 | {ERR_R_OBJ_LIB ,"OBJ lib"}, | |
191 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
192 | {ERR_R_X509_LIB ,"X509 lib"}, | |
193 | {ERR_R_METH_LIB ,"METH lib"}, | |
194 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, | |
195 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
196 | {ERR_R_SSL_LIB ,"SSL lib"}, | |
197 | {ERR_R_PROXY_LIB ,"PROXY lib"}, | |
198 | {ERR_R_BIO_LIB ,"BIO lib"}, | |
199 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
67d5ac03 | 200 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
d02b48c6 | 201 | {ERR_R_MALLOC_FAILURE ,"Malloc failure"}, |
d9f0016b | 202 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, |
dfeab068 RE |
203 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, |
204 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, | |
205 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
206 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
207 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
208 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
209 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
9ec0126e | 210 | {ERR_R_DSO_LIB ,"DSO lib"}, |
dfeab068 | 211 | |
d02b48c6 RE |
212 | {0,NULL}, |
213 | }; | |
0a150c5c BM |
214 | |
215 | ||
216 | #define NUM_SYS_STR_REASONS 127 | |
217 | #define LEN_SYS_STR_REASON 32 | |
218 | ||
219 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
220 | /* SYS_str_reasons is filled with copies of strerror() results at | |
221 | * initialization. | |
222 | * 'errno' values up to 127 should cover all usual errors, | |
223 | * others will be displayed numerically by ERR_error_string. | |
224 | * It is crucial that we have something for each reason code | |
225 | * that occurs in ERR_str_reasons, or bogus reason strings | |
226 | * will be returned for SYSerr(), which always gets an errno | |
227 | * value and never one of those 'standard' reason codes. */ | |
228 | ||
229 | static void build_SYS_str_reasons() | |
230 | { | |
231 | /* Malloc cannot be used here, use static storage instead */ | |
232 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
233 | int i; | |
234 | ||
235 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); | |
236 | ||
237 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
238 | { | |
239 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
240 | ||
241 | str->error = (unsigned long)i; | |
242 | if (str->string == NULL) | |
243 | { | |
244 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
245 | char *src = strerror(i); | |
246 | if (src != NULL) | |
247 | { | |
248 | strncpy(*dest, src, sizeof *dest); | |
249 | (*dest)[sizeof *dest - 1] = '\0'; | |
250 | str->string = *dest; | |
251 | } | |
252 | } | |
253 | if (str->string == NULL) | |
254 | str->string = "unknown"; | |
255 | } | |
256 | ||
257 | /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
258 | * as required by ERR_load_strings. */ | |
259 | ||
260 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
261 | } | |
d02b48c6 RE |
262 | #endif |
263 | ||
58964a49 RE |
264 | #define err_clear_data(p,i) \ |
265 | if (((p)->err_data[i] != NULL) && \ | |
266 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
267 | { \ | |
268 | Free((p)->err_data[i]); \ | |
269 | (p)->err_data[i]=NULL; \ | |
270 | } \ | |
271 | (p)->err_data_flags[i]=0; | |
272 | ||
6b691a5c | 273 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
274 | { |
275 | int i; | |
276 | ||
e03ddfae BL |
277 | if(s == NULL) |
278 | return; | |
279 | ||
58964a49 RE |
280 | for (i=0; i<ERR_NUM_ERRORS; i++) |
281 | { | |
282 | err_clear_data(s,i); | |
283 | } | |
284 | Free(s); | |
285 | } | |
286 | ||
6b691a5c | 287 | void ERR_load_ERR_strings(void) |
d02b48c6 RE |
288 | { |
289 | static int init=1; | |
290 | ||
291 | if (init) | |
292 | { | |
293 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
294 | if (init == 0) | |
295 | { | |
296 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
297 | return; | |
298 | } | |
d02b48c6 RE |
299 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
300 | ||
301 | #ifndef NO_ERR | |
302 | ERR_load_strings(0,ERR_str_libraries); | |
303 | ERR_load_strings(0,ERR_str_reasons); | |
304 | ERR_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
0a150c5c BM |
305 | build_SYS_str_reasons(); |
306 | ERR_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
d02b48c6 | 307 | #endif |
0a150c5c | 308 | init=0; |
d02b48c6 RE |
309 | } |
310 | } | |
311 | ||
6b691a5c | 312 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 RE |
313 | { |
314 | if (error_hash == NULL) | |
315 | { | |
316 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); | |
317 | error_hash=lh_new(err_hash,err_cmp); | |
318 | if (error_hash == NULL) | |
319 | { | |
320 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
321 | return; | |
322 | } | |
323 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
324 | ||
325 | ERR_load_ERR_strings(); | |
326 | } | |
327 | ||
328 | CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH); | |
329 | while (str->error) | |
330 | { | |
331 | str->error|=ERR_PACK(lib,0,0); | |
9d1a01be | 332 | lh_insert(error_hash,str); |
d02b48c6 RE |
333 | str++; |
334 | } | |
335 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH); | |
336 | } | |
337 | ||
6b691a5c | 338 | void ERR_free_strings(void) |
d02b48c6 RE |
339 | { |
340 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
341 | ||
342 | if (error_hash != NULL) | |
343 | { | |
344 | lh_free(error_hash); | |
345 | error_hash=NULL; | |
346 | } | |
347 | ||
348 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
349 | } | |
350 | ||
58964a49 RE |
351 | /********************************************************/ |
352 | ||
6b691a5c UM |
353 | void ERR_put_error(int lib, int func, int reason, const char *file, |
354 | int line) | |
d02b48c6 RE |
355 | { |
356 | ERR_STATE *es; | |
357 | ||
a53955d8 UM |
358 | #ifdef _OSD_POSIX |
359 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
360 | * path names in the form "*POSIX(/etc/passwd)". | |
361 | * This dirty hack strips them to something sensible. | |
362 | * @@@ We shouldn't modify a const string, though. | |
363 | */ | |
364 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
365 | char *end; | |
366 | ||
367 | /* Skip the "*POSIX(" prefix */ | |
368 | file += sizeof("*POSIX(")-1; | |
369 | end = &file[strlen(file)-1]; | |
370 | if (*end == ')') | |
371 | *end = '\0'; | |
372 | /* Optional: use the basename of the path only. */ | |
373 | if ((end = strrchr(file, '/')) != NULL) | |
374 | file = &end[1]; | |
375 | } | |
376 | #endif | |
d02b48c6 RE |
377 | es=ERR_get_state(); |
378 | ||
379 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
380 | if (es->top == es->bottom) | |
381 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
382 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); | |
383 | es->err_file[es->top]=file; | |
384 | es->err_line[es->top]=line; | |
58964a49 | 385 | err_clear_data(es,es->top); |
d02b48c6 RE |
386 | } |
387 | ||
6b691a5c | 388 | void ERR_clear_error(void) |
d02b48c6 | 389 | { |
d02b48c6 RE |
390 | ERR_STATE *es; |
391 | ||
392 | es=ERR_get_state(); | |
393 | ||
58964a49 RE |
394 | #if 0 |
395 | /* hmm... is this needed */ | |
d02b48c6 RE |
396 | for (i=0; i<ERR_NUM_ERRORS; i++) |
397 | { | |
398 | es->err_buffer[i]=0; | |
399 | es->err_file[i]=NULL; | |
400 | es->err_line[i]= -1; | |
58964a49 | 401 | err_clear_data(es,i); |
d02b48c6 | 402 | } |
58964a49 | 403 | #endif |
d02b48c6 RE |
404 | es->top=es->bottom=0; |
405 | } | |
406 | ||
d02b48c6 | 407 | |
6b691a5c | 408 | unsigned long ERR_get_error(void) |
58964a49 | 409 | { return(get_error_values(1,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 410 | |
6b691a5c UM |
411 | unsigned long ERR_get_error_line(const char **file, |
412 | int *line) | |
58964a49 | 413 | { return(get_error_values(1,file,line,NULL,NULL)); } |
d02b48c6 | 414 | |
6b691a5c UM |
415 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
416 | const char **data, int *flags) | |
417 | { return(get_error_values(1,file,line, | |
418 | data,flags)); } | |
d02b48c6 | 419 | |
6b691a5c | 420 | unsigned long ERR_peek_error(void) |
58964a49 | 421 | { return(get_error_values(0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 422 | |
6b691a5c UM |
423 | unsigned long ERR_peek_error_line(const char **file, |
424 | int *line) | |
58964a49 | 425 | { return(get_error_values(0,file,line,NULL,NULL)); } |
d02b48c6 | 426 | |
6b691a5c UM |
427 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
428 | const char **data, int *flags) | |
429 | { return(get_error_values(0,file,line, | |
430 | data,flags)); } | |
431 | ||
432 | static unsigned long get_error_values(int inc, const char **file, int *line, | |
433 | const char **data, int *flags) | |
58964a49 RE |
434 | { |
435 | int i=0; | |
d02b48c6 | 436 | ERR_STATE *es; |
58964a49 | 437 | unsigned long ret; |
d02b48c6 RE |
438 | |
439 | es=ERR_get_state(); | |
440 | ||
58964a49 | 441 | if (es->bottom == es->top) return(0); |
d02b48c6 | 442 | i=(es->bottom+1)%ERR_NUM_ERRORS; |
58964a49 RE |
443 | |
444 | ret=es->err_buffer[i]; | |
445 | if (inc) | |
d02b48c6 | 446 | { |
58964a49 RE |
447 | es->bottom=i; |
448 | es->err_buffer[i]=0; | |
d02b48c6 | 449 | } |
58964a49 RE |
450 | |
451 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 452 | { |
58964a49 RE |
453 | if (es->err_file[i] == NULL) |
454 | { | |
455 | *file="NA"; | |
456 | if (line != NULL) *line=0; | |
457 | } | |
458 | else | |
459 | { | |
460 | *file=es->err_file[i]; | |
461 | if (line != NULL) *line=es->err_line[i]; | |
462 | } | |
d02b48c6 | 463 | } |
d02b48c6 | 464 | |
58964a49 RE |
465 | if (data != NULL) |
466 | { | |
467 | if (es->err_data[i] == NULL) | |
468 | { | |
469 | *data=""; | |
470 | if (flags != NULL) *flags=0; | |
471 | } | |
472 | else | |
473 | { | |
474 | *data=es->err_data[i]; | |
475 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
476 | } | |
477 | } | |
d02b48c6 RE |
478 | return(ret); |
479 | } | |
480 | ||
e5c84d51 | 481 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
d02b48c6 | 482 | { |
e5c84d51 | 483 | char lsbuf[64], fsbuf[64], rsbuf[64]; |
e778802f | 484 | const char *ls,*fs,*rs; |
d02b48c6 | 485 | unsigned long l,f,r; |
d02b48c6 RE |
486 | |
487 | l=ERR_GET_LIB(e); | |
488 | f=ERR_GET_FUNC(e); | |
489 | r=ERR_GET_REASON(e); | |
490 | ||
491 | ls=ERR_lib_error_string(e); | |
492 | fs=ERR_func_error_string(e); | |
493 | rs=ERR_reason_error_string(e); | |
494 | ||
e5c84d51 BM |
495 | if (ls == NULL) |
496 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
d02b48c6 | 497 | if (fs == NULL) |
e5c84d51 | 498 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
d02b48c6 | 499 | if (rs == NULL) |
e5c84d51 BM |
500 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
501 | ||
502 | BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
503 | fs?fs:fsbuf, rs?rs:rsbuf); | |
504 | if (strlen(buf) == len-1) | |
505 | { | |
506 | /* output may be truncated; make sure we always have 5 | |
507 | * colon-separated fields, i.e. 4 colons ... */ | |
508 | #define NUM_COLONS 4 | |
509 | if (len > NUM_COLONS) /* ... if possible */ | |
510 | { | |
511 | int i; | |
512 | char *s = buf; | |
513 | ||
514 | for (i = 0; i < NUM_COLONS; i++) | |
515 | { | |
516 | char *colon = strchr(s, ':'); | |
517 | if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) | |
518 | { | |
519 | /* set colon no. i at last possible position | |
520 | * (buf[len-1] is the terminating 0)*/ | |
521 | colon = &buf[len-1] - NUM_COLONS + i; | |
522 | *colon = ':'; | |
523 | } | |
524 | s = colon + 1; | |
525 | } | |
526 | } | |
527 | } | |
528 | } | |
529 | ||
530 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
531 | /* ERR_error_string_n should be used instead for ret != NULL | |
532 | * as ERR_error_string cannot know how large the buffer is */ | |
533 | char *ERR_error_string(unsigned long e, char *ret) | |
534 | { | |
535 | static char buf[256]; | |
536 | ||
537 | if (ret == NULL) ret=buf; | |
538 | ERR_error_string_n(e, buf, 256); | |
d02b48c6 RE |
539 | |
540 | return(ret); | |
541 | } | |
542 | ||
6b691a5c | 543 | LHASH *ERR_get_string_table(void) |
d02b48c6 RE |
544 | { |
545 | return(error_hash); | |
546 | } | |
547 | ||
6b691a5c | 548 | LHASH *ERR_get_err_state_table(void) |
d02b48c6 RE |
549 | { |
550 | return(thread_hash); | |
551 | } | |
552 | ||
6b691a5c | 553 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 RE |
554 | { |
555 | ERR_STRING_DATA d,*p=NULL; | |
556 | unsigned long l; | |
557 | ||
558 | l=ERR_GET_LIB(e); | |
559 | ||
560 | CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH); | |
561 | ||
562 | if (error_hash != NULL) | |
563 | { | |
564 | d.error=ERR_PACK(l,0,0); | |
9d1a01be | 565 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d); |
d02b48c6 RE |
566 | } |
567 | ||
568 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH); | |
569 | ||
570 | return((p == NULL)?NULL:p->string); | |
571 | } | |
572 | ||
6b691a5c | 573 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 RE |
574 | { |
575 | ERR_STRING_DATA d,*p=NULL; | |
576 | unsigned long l,f; | |
577 | ||
578 | l=ERR_GET_LIB(e); | |
579 | f=ERR_GET_FUNC(e); | |
580 | ||
581 | CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH); | |
582 | ||
583 | if (error_hash != NULL) | |
584 | { | |
585 | d.error=ERR_PACK(l,f,0); | |
9d1a01be | 586 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d); |
d02b48c6 RE |
587 | } |
588 | ||
589 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH); | |
590 | ||
591 | return((p == NULL)?NULL:p->string); | |
592 | } | |
593 | ||
6b691a5c | 594 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
595 | { |
596 | ERR_STRING_DATA d,*p=NULL; | |
597 | unsigned long l,r; | |
598 | ||
599 | l=ERR_GET_LIB(e); | |
600 | r=ERR_GET_REASON(e); | |
601 | ||
602 | CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH); | |
603 | ||
604 | if (error_hash != NULL) | |
605 | { | |
606 | d.error=ERR_PACK(l,0,r); | |
9d1a01be | 607 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d); |
d02b48c6 RE |
608 | if (p == NULL) |
609 | { | |
610 | d.error=ERR_PACK(0,0,r); | |
9d1a01be | 611 | p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d); |
d02b48c6 RE |
612 | } |
613 | } | |
614 | ||
615 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH); | |
616 | ||
617 | return((p == NULL)?NULL:p->string); | |
618 | } | |
619 | ||
6b691a5c | 620 | static unsigned long err_hash(ERR_STRING_DATA *a) |
d02b48c6 RE |
621 | { |
622 | unsigned long ret,l; | |
623 | ||
624 | l=a->error; | |
625 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); | |
626 | return(ret^ret%19*13); | |
627 | } | |
628 | ||
6b691a5c | 629 | static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) |
d02b48c6 RE |
630 | { |
631 | return((int)(a->error-b->error)); | |
632 | } | |
633 | ||
6b691a5c | 634 | static unsigned long pid_hash(ERR_STATE *a) |
d02b48c6 RE |
635 | { |
636 | return(a->pid*13); | |
637 | } | |
638 | ||
6b691a5c | 639 | static int pid_cmp(ERR_STATE *a, ERR_STATE *b) |
d02b48c6 RE |
640 | { |
641 | return((int)((long)a->pid - (long)b->pid)); | |
642 | } | |
643 | ||
6b691a5c | 644 | void ERR_remove_state(unsigned long pid) |
d02b48c6 RE |
645 | { |
646 | ERR_STATE *p,tmp; | |
647 | ||
648 | if (thread_hash == NULL) | |
649 | return; | |
650 | if (pid == 0) | |
651 | pid=(unsigned long)CRYPTO_thread_id(); | |
652 | tmp.pid=pid; | |
653 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
9d1a01be | 654 | p=(ERR_STATE *)lh_delete(thread_hash,&tmp); |
d02b48c6 | 655 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
58964a49 RE |
656 | |
657 | if (p != NULL) ERR_STATE_free(p); | |
d02b48c6 RE |
658 | } |
659 | ||
6b691a5c | 660 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
661 | { |
662 | static ERR_STATE fallback; | |
663 | ERR_STATE *ret=NULL,tmp,*tmpp; | |
58964a49 | 664 | int i; |
d02b48c6 RE |
665 | unsigned long pid; |
666 | ||
667 | pid=(unsigned long)CRYPTO_thread_id(); | |
668 | ||
669 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); | |
670 | if (thread_hash == NULL) | |
671 | { | |
672 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
673 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
674 | if (thread_hash == NULL) | |
675 | { | |
dfeab068 | 676 | MemCheck_off(); |
d02b48c6 | 677 | thread_hash=lh_new(pid_hash,pid_cmp); |
dfeab068 | 678 | MemCheck_on(); |
d02b48c6 RE |
679 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
680 | if (thread_hash == NULL) return(&fallback); | |
681 | } | |
682 | else | |
683 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
684 | } | |
685 | else | |
686 | { | |
687 | tmp.pid=pid; | |
9d1a01be | 688 | ret=(ERR_STATE *)lh_retrieve(thread_hash,&tmp); |
d02b48c6 RE |
689 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
690 | } | |
691 | ||
692 | /* ret == the error state, if NULL, make a new one */ | |
693 | if (ret == NULL) | |
694 | { | |
695 | ret=(ERR_STATE *)Malloc(sizeof(ERR_STATE)); | |
696 | if (ret == NULL) return(&fallback); | |
697 | ret->pid=pid; | |
698 | ret->top=0; | |
699 | ret->bottom=0; | |
58964a49 RE |
700 | for (i=0; i<ERR_NUM_ERRORS; i++) |
701 | { | |
702 | ret->err_data[i]=NULL; | |
703 | ret->err_data_flags[i]=0; | |
704 | } | |
d02b48c6 | 705 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9d1a01be | 706 | tmpp=(ERR_STATE *)lh_insert(thread_hash,ret); |
d02b48c6 RE |
707 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
708 | if (tmpp != NULL) /* old entry - should not happen */ | |
58964a49 RE |
709 | { |
710 | ERR_STATE_free(tmpp); | |
711 | } | |
d02b48c6 RE |
712 | } |
713 | return(ret); | |
714 | } | |
715 | ||
6b691a5c | 716 | int ERR_get_next_error_library(void) |
58964a49 RE |
717 | { |
718 | static int value=ERR_LIB_USER; | |
719 | ||
720 | return(value++); | |
721 | } | |
722 | ||
6b691a5c | 723 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
724 | { |
725 | ERR_STATE *es; | |
726 | int i; | |
727 | ||
728 | es=ERR_get_state(); | |
729 | ||
730 | i=es->top; | |
731 | if (i == 0) | |
732 | i=ERR_NUM_ERRORS-1; | |
733 | ||
734 | es->err_data[i]=data; | |
735 | es->err_data_flags[es->top]=flags; | |
736 | } | |
737 | ||
4565c3e3 | 738 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 739 | { |
4565c3e3 | 740 | va_list args; |
58964a49 RE |
741 | int i,n,s; |
742 | char *str,*p,*a; | |
743 | ||
744 | s=64; | |
745 | str=Malloc(s+1); | |
746 | if (str == NULL) return; | |
747 | str[0]='\0'; | |
748 | ||
4565c3e3 | 749 | va_start(args, num); |
58964a49 RE |
750 | n=0; |
751 | for (i=0; i<num; i++) | |
752 | { | |
4565c3e3 | 753 | a=va_arg(args, char*); |
dfeab068 RE |
754 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
755 | if (a != NULL) | |
58964a49 | 756 | { |
dfeab068 RE |
757 | n+=strlen(a); |
758 | if (n > s) | |
58964a49 | 759 | { |
dfeab068 RE |
760 | s=n+20; |
761 | p=Realloc(str,s+1); | |
762 | if (p == NULL) | |
763 | { | |
764 | Free(str); | |
765 | return; | |
766 | } | |
767 | else | |
768 | str=p; | |
58964a49 | 769 | } |
dfeab068 | 770 | strcat(str,a); |
58964a49 | 771 | } |
58964a49 RE |
772 | } |
773 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
774 | ||
4565c3e3 | 775 | va_end(args); |
58964a49 RE |
776 | } |
777 |