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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. | |
0f113f3e | 8 | * |
d02b48c6 RE |
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). | |
0f113f3e | 15 | * |
d02b48c6 RE |
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. | |
0f113f3e | 22 | * |
d02b48c6 RE |
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 :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
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. | |
0f113f3e | 52 | * |
d02b48c6 RE |
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 | 58 | /* ==================================================================== |
48fc582f | 59 | * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
0a150c5c BM |
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 | |
0f113f3e | 66 | * notice, this list of conditions and the following disclaimer. |
0a150c5c BM |
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 | 111 | |
5ca9cb7c DSH |
112 | #define OPENSSL_NO_FIPS_ERR |
113 | ||
d02b48c6 | 114 | #include <stdio.h> |
4565c3e3 | 115 | #include <stdarg.h> |
0a150c5c | 116 | #include <string.h> |
25a66ee3 | 117 | #include "cryptlib.h" |
ec577822 BM |
118 | #include <openssl/lhash.h> |
119 | #include <openssl/crypto.h> | |
ec577822 | 120 | #include <openssl/buffer.h> |
e5c84d51 | 121 | #include <openssl/bio.h> |
dcba2534 | 122 | #include <openssl/err.h> |
d02b48c6 | 123 | |
3c1d6bbc BL |
124 | DECLARE_LHASH_OF(ERR_STRING_DATA); |
125 | DECLARE_LHASH_OF(ERR_STATE); | |
126 | ||
cf5bfbfc BM |
127 | static void err_load_strings(int lib, ERR_STRING_DATA *str); |
128 | ||
58964a49 | 129 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 130 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
131 | static ERR_STRING_DATA ERR_str_libraries[] = { |
132 | {ERR_PACK(ERR_LIB_NONE, 0, 0), "unknown library"}, | |
133 | {ERR_PACK(ERR_LIB_SYS, 0, 0), "system library"}, | |
134 | {ERR_PACK(ERR_LIB_BN, 0, 0), "bignum routines"}, | |
135 | {ERR_PACK(ERR_LIB_RSA, 0, 0), "rsa routines"}, | |
136 | {ERR_PACK(ERR_LIB_DH, 0, 0), "Diffie-Hellman routines"}, | |
137 | {ERR_PACK(ERR_LIB_EVP, 0, 0), "digital envelope routines"}, | |
138 | {ERR_PACK(ERR_LIB_BUF, 0, 0), "memory buffer routines"}, | |
139 | {ERR_PACK(ERR_LIB_OBJ, 0, 0), "object identifier routines"}, | |
140 | {ERR_PACK(ERR_LIB_PEM, 0, 0), "PEM routines"}, | |
141 | {ERR_PACK(ERR_LIB_DSA, 0, 0), "dsa routines"}, | |
142 | {ERR_PACK(ERR_LIB_X509, 0, 0), "x509 certificate routines"}, | |
143 | {ERR_PACK(ERR_LIB_ASN1, 0, 0), "asn1 encoding routines"}, | |
144 | {ERR_PACK(ERR_LIB_CONF, 0, 0), "configuration file routines"}, | |
145 | {ERR_PACK(ERR_LIB_CRYPTO, 0, 0), "common libcrypto routines"}, | |
146 | {ERR_PACK(ERR_LIB_EC, 0, 0), "elliptic curve routines"}, | |
147 | {ERR_PACK(ERR_LIB_ECDSA, 0, 0), "ECDSA routines"}, | |
148 | {ERR_PACK(ERR_LIB_ECDH, 0, 0), "ECDH routines"}, | |
149 | {ERR_PACK(ERR_LIB_SSL, 0, 0), "SSL routines"}, | |
150 | {ERR_PACK(ERR_LIB_BIO, 0, 0), "BIO routines"}, | |
151 | {ERR_PACK(ERR_LIB_PKCS7, 0, 0), "PKCS7 routines"}, | |
152 | {ERR_PACK(ERR_LIB_X509V3, 0, 0), "X509 V3 routines"}, | |
153 | {ERR_PACK(ERR_LIB_PKCS12, 0, 0), "PKCS12 routines"}, | |
154 | {ERR_PACK(ERR_LIB_RAND, 0, 0), "random number generator"}, | |
155 | {ERR_PACK(ERR_LIB_DSO, 0, 0), "DSO support routines"}, | |
156 | {ERR_PACK(ERR_LIB_TS, 0, 0), "time stamp routines"}, | |
157 | {ERR_PACK(ERR_LIB_ENGINE, 0, 0), "engine routines"}, | |
158 | {ERR_PACK(ERR_LIB_OCSP, 0, 0), "OCSP routines"}, | |
159 | {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"}, | |
160 | {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"}, | |
161 | {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"}, | |
162 | {0, NULL}, | |
163 | }; | |
164 | ||
165 | static ERR_STRING_DATA ERR_str_functs[] = { | |
166 | {ERR_PACK(0, SYS_F_FOPEN, 0), "fopen"}, | |
167 | {ERR_PACK(0, SYS_F_CONNECT, 0), "connect"}, | |
168 | {ERR_PACK(0, SYS_F_GETSERVBYNAME, 0), "getservbyname"}, | |
169 | {ERR_PACK(0, SYS_F_SOCKET, 0), "socket"}, | |
170 | {ERR_PACK(0, SYS_F_IOCTLSOCKET, 0), "ioctlsocket"}, | |
171 | {ERR_PACK(0, SYS_F_BIND, 0), "bind"}, | |
172 | {ERR_PACK(0, SYS_F_LISTEN, 0), "listen"}, | |
173 | {ERR_PACK(0, SYS_F_ACCEPT, 0), "accept"}, | |
174 | # ifdef OPENSSL_SYS_WINDOWS | |
175 | {ERR_PACK(0, SYS_F_WSASTARTUP, 0), "WSAstartup"}, | |
176 | # endif | |
177 | {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"}, | |
178 | {ERR_PACK(0, SYS_F_FREAD, 0), "fread"}, | |
179 | {0, NULL}, | |
180 | }; | |
181 | ||
182 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
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_OBJ_LIB, "OBJ lib"}, | |
190 | {ERR_R_PEM_LIB, "PEM lib"}, | |
191 | {ERR_R_DSA_LIB, "DSA lib"}, | |
192 | {ERR_R_X509_LIB, "X509 lib"}, | |
193 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
194 | {ERR_R_CONF_LIB, "CONF lib"}, | |
195 | {ERR_R_CRYPTO_LIB, "CRYPTO lib"}, | |
196 | {ERR_R_EC_LIB, "EC lib"}, | |
197 | {ERR_R_SSL_LIB, "SSL lib"}, | |
198 | {ERR_R_BIO_LIB, "BIO lib"}, | |
199 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
200 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
201 | {ERR_R_PKCS12_LIB, "PKCS12 lib"}, | |
202 | {ERR_R_RAND_LIB, "RAND lib"}, | |
203 | {ERR_R_DSO_LIB, "DSO lib"}, | |
204 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, | |
205 | {ERR_R_OCSP_LIB, "OCSP lib"}, | |
206 | {ERR_R_TS_LIB, "TS lib"}, | |
207 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, | |
208 | ||
209 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
210 | {ERR_R_BAD_ASN1_OBJECT_HEADER, "bad asn1 object header"}, | |
211 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL, "bad get asn1 object call"}, | |
212 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE, "expecting an asn1 sequence"}, | |
213 | {ERR_R_ASN1_LENGTH_MISMATCH, "asn1 length mismatch"}, | |
214 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, | |
215 | ||
216 | {ERR_R_FATAL, "fatal"}, | |
217 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
218 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
219 | "called a function you should not call"}, | |
220 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
221 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
222 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
223 | ||
224 | {0, NULL}, | |
225 | }; | |
d02b48c6 | 226 | #endif |
0a150c5c | 227 | |
566bdf2b | 228 | /* Define the predeclared (but externally opaque) "ERR_FNS" type */ |
0f113f3e MC |
229 | struct st_ERR_FNS { |
230 | /* Works on the "error_hash" string table */ | |
231 | LHASH_OF(ERR_STRING_DATA) *(*cb_err_get) (int create); | |
232 | void (*cb_err_del) (void); | |
233 | ERR_STRING_DATA *(*cb_err_get_item) (const ERR_STRING_DATA *); | |
234 | ERR_STRING_DATA *(*cb_err_set_item) (ERR_STRING_DATA *); | |
235 | ERR_STRING_DATA *(*cb_err_del_item) (ERR_STRING_DATA *); | |
236 | /* Works on the "thread_hash" error-state table */ | |
237 | LHASH_OF(ERR_STATE) *(*cb_thread_get) (int create); | |
238 | void (*cb_thread_release) (LHASH_OF(ERR_STATE) **hash); | |
239 | ERR_STATE *(*cb_thread_get_item) (const ERR_STATE *); | |
240 | ERR_STATE *(*cb_thread_set_item) (ERR_STATE *); | |
241 | void (*cb_thread_del_item) (const ERR_STATE *); | |
242 | /* Returns the next available error "library" numbers */ | |
243 | int (*cb_get_next_lib) (void); | |
244 | }; | |
566bdf2b GT |
245 | |
246 | /* Predeclarations of the "err_defaults" functions */ | |
3c1d6bbc | 247 | static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create); |
566bdf2b GT |
248 | static void int_err_del(void); |
249 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | |
250 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | |
1738bb61 | 251 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); |
3c1d6bbc BL |
252 | static LHASH_OF(ERR_STATE) *int_thread_get(int create); |
253 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash); | |
566bdf2b GT |
254 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
255 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
256 | static void int_thread_del_item(const ERR_STATE *); | |
257 | static int int_err_get_next_lib(void); | |
258 | /* The static ERR_FNS table using these defaults functions */ | |
0f113f3e MC |
259 | static const ERR_FNS err_defaults = { |
260 | int_err_get, | |
261 | int_err_del, | |
262 | int_err_get_item, | |
263 | int_err_set_item, | |
264 | int_err_del_item, | |
265 | int_thread_get, | |
266 | int_thread_release, | |
267 | int_thread_get_item, | |
268 | int_thread_set_item, | |
269 | int_thread_del_item, | |
270 | int_err_get_next_lib | |
271 | }; | |
566bdf2b GT |
272 | |
273 | /* The replacable table of ERR_FNS functions we use at run-time */ | |
274 | static const ERR_FNS *err_fns = NULL; | |
275 | ||
276 | /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | |
277 | #define ERRFN(a) err_fns->cb_##a | |
278 | ||
0f113f3e MC |
279 | /* |
280 | * The internal state used by "err_defaults" - as such, the setting, reading, | |
566bdf2b | 281 | * creating, and deleting of this data should only be permitted via the |
0f113f3e MC |
282 | * "err_defaults" functions. This way, a linked module can completely defer |
283 | * all ERR state operation (together with requisite locking) to the | |
284 | * implementations and state in the loading application. | |
285 | */ | |
3c1d6bbc BL |
286 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
287 | static LHASH_OF(ERR_STATE) *int_thread_hash = NULL; | |
11171f3c | 288 | static int int_thread_hash_references = 0; |
0f113f3e | 289 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 290 | |
0f113f3e MC |
291 | /* |
292 | * Internal function that checks whether "err_fns" is set and if not, sets it | |
293 | * to the defaults. | |
294 | */ | |
566bdf2b | 295 | static void err_fns_check(void) |
0f113f3e MC |
296 | { |
297 | if (err_fns) | |
298 | return; | |
299 | ||
300 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
301 | if (!err_fns) | |
302 | err_fns = &err_defaults; | |
303 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
304 | } | |
566bdf2b GT |
305 | |
306 | /* API functions to get or set the underlying ERR functions. */ | |
307 | ||
308 | const ERR_FNS *ERR_get_implementation(void) | |
0f113f3e MC |
309 | { |
310 | err_fns_check(); | |
311 | return err_fns; | |
312 | } | |
566bdf2b GT |
313 | |
314 | int ERR_set_implementation(const ERR_FNS *fns) | |
0f113f3e MC |
315 | { |
316 | int ret = 0; | |
317 | ||
318 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
319 | /* | |
320 | * It's too late if 'err_fns' is non-NULL. BTW: not much point setting an | |
321 | * error is there?! | |
322 | */ | |
323 | if (!err_fns) { | |
324 | err_fns = fns; | |
325 | ret = 1; | |
326 | } | |
327 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
328 | return ret; | |
329 | } | |
330 | ||
331 | /* | |
332 | * These are the callbacks provided to "lh_new()" when creating the LHASH | |
333 | * tables internal to the "err_defaults" implementation. | |
334 | */ | |
335 | ||
336 | static unsigned long get_error_values(int inc, int top, const char **file, | |
337 | int *line, const char **data, | |
338 | int *flags); | |
566bdf2b GT |
339 | |
340 | /* The internal functions used in the "err_defaults" implementation */ | |
341 | ||
3c1d6bbc | 342 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
0f113f3e MC |
343 | { |
344 | unsigned long ret, l; | |
345 | ||
346 | l = a->error; | |
347 | ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l); | |
348 | return (ret ^ ret % 19 * 13); | |
349 | } | |
3c1d6bbc | 350 | |
ab3eafd5 | 351 | static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc BL |
352 | |
353 | static int err_string_data_cmp(const ERR_STRING_DATA *a, | |
0f113f3e MC |
354 | const ERR_STRING_DATA *b) |
355 | { | |
356 | return (int)(a->error - b->error); | |
357 | } | |
358 | ||
ab3eafd5 | 359 | static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc BL |
360 | |
361 | static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create) | |
0f113f3e MC |
362 | { |
363 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
364 | ||
365 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
366 | if (!int_error_hash && create) { | |
367 | CRYPTO_push_info("int_err_get (err.c)"); | |
368 | int_error_hash = lh_ERR_STRING_DATA_new(); | |
369 | CRYPTO_pop_info(); | |
370 | } | |
371 | if (int_error_hash) | |
372 | ret = int_error_hash; | |
373 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
374 | ||
375 | return ret; | |
376 | } | |
567fef89 | 377 | |
566bdf2b | 378 | static void int_err_del(void) |
0f113f3e MC |
379 | { |
380 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
381 | if (int_error_hash) { | |
382 | lh_ERR_STRING_DATA_free(int_error_hash); | |
383 | int_error_hash = NULL; | |
384 | } | |
385 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
386 | } | |
567fef89 | 387 | |
566bdf2b | 388 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e MC |
389 | { |
390 | ERR_STRING_DATA *p; | |
391 | LHASH_OF(ERR_STRING_DATA) *hash; | |
78f79235 | 392 | |
0f113f3e MC |
393 | err_fns_check(); |
394 | hash = ERRFN(err_get) (0); | |
395 | if (!hash) | |
396 | return NULL; | |
78f79235 | 397 | |
0f113f3e MC |
398 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
399 | p = lh_ERR_STRING_DATA_retrieve(hash, d); | |
400 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 401 | |
0f113f3e MC |
402 | return p; |
403 | } | |
567fef89 | 404 | |
566bdf2b | 405 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) |
0f113f3e MC |
406 | { |
407 | ERR_STRING_DATA *p; | |
408 | LHASH_OF(ERR_STRING_DATA) *hash; | |
78f79235 | 409 | |
0f113f3e MC |
410 | err_fns_check(); |
411 | hash = ERRFN(err_get) (1); | |
412 | if (!hash) | |
413 | return NULL; | |
78f79235 | 414 | |
0f113f3e MC |
415 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
416 | p = lh_ERR_STRING_DATA_insert(hash, d); | |
417 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 418 | |
0f113f3e MC |
419 | return p; |
420 | } | |
567fef89 | 421 | |
1738bb61 | 422 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) |
0f113f3e MC |
423 | { |
424 | ERR_STRING_DATA *p; | |
425 | LHASH_OF(ERR_STRING_DATA) *hash; | |
78f79235 | 426 | |
0f113f3e MC |
427 | err_fns_check(); |
428 | hash = ERRFN(err_get) (0); | |
429 | if (!hash) | |
430 | return NULL; | |
78f79235 | 431 | |
0f113f3e MC |
432 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
433 | p = lh_ERR_STRING_DATA_delete(hash, d); | |
434 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 435 | |
0f113f3e MC |
436 | return p; |
437 | } | |
567fef89 | 438 | |
3c1d6bbc | 439 | static unsigned long err_state_hash(const ERR_STATE *a) |
0f113f3e MC |
440 | { |
441 | return CRYPTO_THREADID_hash(&a->tid) * 13; | |
442 | } | |
443 | ||
ab3eafd5 | 444 | static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE) |
3c1d6bbc BL |
445 | |
446 | static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b) | |
0f113f3e MC |
447 | { |
448 | return CRYPTO_THREADID_cmp(&a->tid, &b->tid); | |
449 | } | |
450 | ||
ab3eafd5 | 451 | static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE) |
3c1d6bbc BL |
452 | |
453 | static LHASH_OF(ERR_STATE) *int_thread_get(int create) | |
0f113f3e MC |
454 | { |
455 | LHASH_OF(ERR_STATE) *ret = NULL; | |
456 | ||
457 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
458 | if (!int_thread_hash && create) { | |
459 | CRYPTO_push_info("int_thread_get (err.c)"); | |
460 | int_thread_hash = lh_ERR_STATE_new(); | |
461 | CRYPTO_pop_info(); | |
462 | } | |
463 | if (int_thread_hash) { | |
464 | int_thread_hash_references++; | |
465 | ret = int_thread_hash; | |
466 | } | |
467 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
468 | return ret; | |
469 | } | |
567fef89 | 470 | |
3c1d6bbc | 471 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash) |
0f113f3e MC |
472 | { |
473 | int i; | |
11171f3c | 474 | |
0f113f3e MC |
475 | if (hash == NULL || *hash == NULL) |
476 | return; | |
11171f3c | 477 | |
0f113f3e | 478 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); |
11171f3c RL |
479 | |
480 | #ifdef REF_PRINT | |
0f113f3e | 481 | fprintf(stderr, "%4d:%s\n", int_thread_hash_references, "ERR"); |
11171f3c | 482 | #endif |
0f113f3e MC |
483 | if (i > 0) |
484 | return; | |
11171f3c | 485 | #ifdef REF_CHECK |
0f113f3e MC |
486 | if (i < 0) { |
487 | fprintf(stderr, "int_thread_release, bad reference count\n"); | |
488 | abort(); /* ok */ | |
489 | } | |
11171f3c | 490 | #endif |
0f113f3e MC |
491 | *hash = NULL; |
492 | } | |
11171f3c | 493 | |
566bdf2b | 494 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
0f113f3e MC |
495 | { |
496 | ERR_STATE *p; | |
497 | LHASH_OF(ERR_STATE) *hash; | |
78f79235 | 498 | |
0f113f3e MC |
499 | err_fns_check(); |
500 | hash = ERRFN(thread_get) (0); | |
501 | if (!hash) | |
502 | return NULL; | |
78f79235 | 503 | |
0f113f3e MC |
504 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
505 | p = lh_ERR_STATE_retrieve(hash, d); | |
506 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 507 | |
0f113f3e MC |
508 | ERRFN(thread_release) (&hash); |
509 | return p; | |
510 | } | |
567fef89 | 511 | |
566bdf2b | 512 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
0f113f3e MC |
513 | { |
514 | ERR_STATE *p; | |
515 | LHASH_OF(ERR_STATE) *hash; | |
78f79235 | 516 | |
0f113f3e MC |
517 | err_fns_check(); |
518 | hash = ERRFN(thread_get) (1); | |
519 | if (!hash) | |
520 | return NULL; | |
78f79235 | 521 | |
0f113f3e MC |
522 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
523 | p = lh_ERR_STATE_insert(hash, d); | |
524 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 525 | |
0f113f3e MC |
526 | ERRFN(thread_release) (&hash); |
527 | return p; | |
528 | } | |
567fef89 | 529 | |
566bdf2b | 530 | static void int_thread_del_item(const ERR_STATE *d) |
0f113f3e MC |
531 | { |
532 | ERR_STATE *p; | |
533 | LHASH_OF(ERR_STATE) *hash; | |
534 | ||
535 | err_fns_check(); | |
536 | hash = ERRFN(thread_get) (0); | |
537 | if (!hash) | |
538 | return; | |
539 | ||
540 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
541 | p = lh_ERR_STATE_delete(hash, d); | |
542 | /* make sure we don't leak memory */ | |
543 | if (int_thread_hash_references == 1 | |
544 | && int_thread_hash && lh_ERR_STATE_num_items(int_thread_hash) == 0) { | |
545 | lh_ERR_STATE_free(int_thread_hash); | |
546 | int_thread_hash = NULL; | |
547 | } | |
548 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
549 | ||
550 | ERRFN(thread_release) (&hash); | |
551 | if (p) | |
552 | ERR_STATE_free(p); | |
553 | } | |
567fef89 | 554 | |
566bdf2b | 555 | static int int_err_get_next_lib(void) |
0f113f3e MC |
556 | { |
557 | int ret; | |
78f79235 | 558 | |
0f113f3e MC |
559 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
560 | ret = int_err_library_number++; | |
561 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
566bdf2b | 562 | |
0f113f3e MC |
563 | return ret; |
564 | } | |
566bdf2b | 565 | |
758f942b | 566 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
567 | # define NUM_SYS_STR_REASONS 127 |
568 | # define LEN_SYS_STR_REASON 32 | |
0a150c5c BM |
569 | |
570 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
0f113f3e MC |
571 | /* |
572 | * SYS_str_reasons is filled with copies of strerror() results at | |
573 | * initialization. 'errno' values up to 127 should cover all usual errors, | |
574 | * others will be displayed numerically by ERR_error_string. It is crucial | |
575 | * that we have something for each reason code that occurs in | |
576 | * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(), | |
577 | * which always gets an errno value and never one of those 'standard' reason | |
578 | * codes. | |
579 | */ | |
0a150c5c | 580 | |
41a15c4f | 581 | static void build_SYS_str_reasons(void) |
0f113f3e MC |
582 | { |
583 | /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
584 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
585 | int i; | |
586 | static int init = 1; | |
587 | ||
588 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); | |
589 | if (!init) { | |
590 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
591 | return; | |
592 | } | |
593 | ||
594 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
595 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
596 | if (!init) { | |
597 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
598 | return; | |
599 | } | |
600 | ||
601 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) { | |
602 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
603 | ||
604 | str->error = (unsigned long)i; | |
605 | if (str->string == NULL) { | |
606 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
607 | char *src = strerror(i); | |
608 | if (src != NULL) { | |
609 | strncpy(*dest, src, sizeof *dest); | |
610 | (*dest)[sizeof *dest - 1] = '\0'; | |
611 | str->string = *dest; | |
612 | } | |
613 | } | |
614 | if (str->string == NULL) | |
615 | str->string = "unknown"; | |
616 | } | |
617 | ||
618 | /* | |
619 | * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as | |
620 | * required by ERR_load_strings. | |
621 | */ | |
622 | ||
623 | init = 0; | |
624 | ||
625 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
626 | } | |
d02b48c6 RE |
627 | #endif |
628 | ||
58964a49 | 629 | #define err_clear_data(p,i) \ |
0f113f3e MC |
630 | do { \ |
631 | if (((p)->err_data[i] != NULL) && \ | |
632 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
633 | { \ | |
634 | OPENSSL_free((p)->err_data[i]); \ | |
635 | (p)->err_data[i]=NULL; \ | |
636 | } \ | |
637 | (p)->err_data_flags[i]=0; \ | |
638 | } while(0) | |
54f64516 RL |
639 | |
640 | #define err_clear(p,i) \ | |
0f113f3e MC |
641 | do { \ |
642 | (p)->err_flags[i]=0; \ | |
643 | (p)->err_buffer[i]=0; \ | |
644 | err_clear_data(p,i); \ | |
645 | (p)->err_file[i]=NULL; \ | |
646 | (p)->err_line[i]= -1; \ | |
647 | } while(0) | |
58964a49 | 648 | |
6b691a5c | 649 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
650 | { |
651 | int i; | |
58964a49 | 652 | |
0f113f3e MC |
653 | if (s == NULL) |
654 | return; | |
e03ddfae | 655 | |
0f113f3e MC |
656 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
657 | err_clear_data(s, i); | |
658 | } | |
659 | OPENSSL_free(s); | |
660 | } | |
58964a49 | 661 | |
6b691a5c | 662 | void ERR_load_ERR_strings(void) |
0f113f3e MC |
663 | { |
664 | err_fns_check(); | |
cf1b7d96 | 665 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
666 | err_load_strings(0, ERR_str_libraries); |
667 | err_load_strings(0, ERR_str_reasons); | |
668 | err_load_strings(ERR_LIB_SYS, ERR_str_functs); | |
669 | build_SYS_str_reasons(); | |
670 | err_load_strings(ERR_LIB_SYS, SYS_str_reasons); | |
d02b48c6 | 671 | #endif |
0f113f3e | 672 | } |
d02b48c6 | 673 | |
cf5bfbfc | 674 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e MC |
675 | { |
676 | while (str->error) { | |
677 | if (lib) | |
678 | str->error |= ERR_PACK(lib, 0, 0); | |
679 | ERRFN(err_set_item) (str); | |
680 | str++; | |
681 | } | |
682 | } | |
d02b48c6 | 683 | |
cf5bfbfc | 684 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e MC |
685 | { |
686 | ERR_load_ERR_strings(); | |
687 | err_load_strings(lib, str); | |
688 | } | |
cf5bfbfc | 689 | |
1738bb61 | 690 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e MC |
691 | { |
692 | while (str->error) { | |
693 | if (lib) | |
694 | str->error |= ERR_PACK(lib, 0, 0); | |
695 | ERRFN(err_del_item) (str); | |
696 | str++; | |
697 | } | |
698 | } | |
1738bb61 | 699 | |
6b691a5c | 700 | void ERR_free_strings(void) |
0f113f3e MC |
701 | { |
702 | err_fns_check(); | |
703 | ERRFN(err_del) (); | |
704 | } | |
d02b48c6 | 705 | |
58964a49 RE |
706 | /********************************************************/ |
707 | ||
0f113f3e MC |
708 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
709 | { | |
710 | ERR_STATE *es; | |
d02b48c6 | 711 | |
a53955d8 | 712 | #ifdef _OSD_POSIX |
0f113f3e MC |
713 | /* |
714 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
715 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
716 | * something sensible. @@@ We shouldn't modify a const string, though. | |
717 | */ | |
718 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
719 | char *end; | |
720 | ||
721 | /* Skip the "*POSIX(" prefix */ | |
722 | file += sizeof("*POSIX(") - 1; | |
723 | end = &file[strlen(file) - 1]; | |
724 | if (*end == ')') | |
725 | *end = '\0'; | |
726 | /* Optional: use the basename of the path only. */ | |
727 | if ((end = strrchr(file, '/')) != NULL) | |
728 | file = &end[1]; | |
729 | } | |
a53955d8 | 730 | #endif |
0f113f3e MC |
731 | es = ERR_get_state(); |
732 | ||
733 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
734 | if (es->top == es->bottom) | |
735 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
736 | es->err_flags[es->top] = 0; | |
737 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
738 | es->err_file[es->top] = file; | |
739 | es->err_line[es->top] = line; | |
740 | err_clear_data(es, es->top); | |
741 | } | |
d02b48c6 | 742 | |
6b691a5c | 743 | void ERR_clear_error(void) |
0f113f3e MC |
744 | { |
745 | int i; | |
746 | ERR_STATE *es; | |
d02b48c6 | 747 | |
0f113f3e | 748 | es = ERR_get_state(); |
d02b48c6 | 749 | |
0f113f3e MC |
750 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
751 | err_clear(es, i); | |
752 | } | |
753 | es->top = es->bottom = 0; | |
754 | } | |
d02b48c6 | 755 | |
6b691a5c | 756 | unsigned long ERR_get_error(void) |
0f113f3e MC |
757 | { |
758 | return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); | |
759 | } | |
d02b48c6 | 760 | |
0f113f3e MC |
761 | unsigned long ERR_get_error_line(const char **file, int *line) |
762 | { | |
763 | return (get_error_values(1, 0, file, line, NULL, NULL)); | |
764 | } | |
d02b48c6 | 765 | |
6b691a5c | 766 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
767 | const char **data, int *flags) |
768 | { | |
769 | return (get_error_values(1, 0, file, line, data, flags)); | |
770 | } | |
273db408 | 771 | |
6b691a5c | 772 | unsigned long ERR_peek_error(void) |
0f113f3e MC |
773 | { |
774 | return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); | |
775 | } | |
d02b48c6 | 776 | |
a14e2d9d | 777 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e MC |
778 | { |
779 | return (get_error_values(0, 0, file, line, NULL, NULL)); | |
780 | } | |
0fc5cf08 | 781 | |
6b691a5c | 782 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
783 | const char **data, int *flags) |
784 | { | |
785 | return (get_error_values(0, 0, file, line, data, flags)); | |
786 | } | |
273db408 BM |
787 | |
788 | unsigned long ERR_peek_last_error(void) | |
0f113f3e MC |
789 | { |
790 | return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); | |
791 | } | |
273db408 BM |
792 | |
793 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e MC |
794 | { |
795 | return (get_error_values(0, 1, file, line, NULL, NULL)); | |
796 | } | |
273db408 | 797 | |
a14e2d9d | 798 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
799 | const char **data, int *flags) |
800 | { | |
801 | return (get_error_values(0, 1, file, line, data, flags)); | |
802 | } | |
803 | ||
804 | static unsigned long get_error_values(int inc, int top, const char **file, | |
805 | int *line, const char **data, | |
806 | int *flags) | |
807 | { | |
808 | int i = 0; | |
809 | ERR_STATE *es; | |
810 | unsigned long ret; | |
811 | ||
812 | es = ERR_get_state(); | |
813 | ||
814 | if (inc && top) { | |
815 | if (file) | |
816 | *file = ""; | |
817 | if (line) | |
818 | *line = 0; | |
819 | if (data) | |
820 | *data = ""; | |
821 | if (flags) | |
822 | *flags = 0; | |
823 | ||
824 | return ERR_R_INTERNAL_ERROR; | |
825 | } | |
826 | ||
827 | if (es->bottom == es->top) | |
828 | return 0; | |
829 | if (top) | |
830 | i = es->top; /* last error */ | |
831 | else | |
832 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
833 | ||
834 | ret = es->err_buffer[i]; | |
835 | if (inc) { | |
836 | es->bottom = i; | |
837 | es->err_buffer[i] = 0; | |
838 | } | |
839 | ||
840 | if ((file != NULL) && (line != NULL)) { | |
841 | if (es->err_file[i] == NULL) { | |
842 | *file = "NA"; | |
843 | if (line != NULL) | |
844 | *line = 0; | |
845 | } else { | |
846 | *file = es->err_file[i]; | |
847 | if (line != NULL) | |
848 | *line = es->err_line[i]; | |
849 | } | |
850 | } | |
851 | ||
852 | if (data == NULL) { | |
853 | if (inc) { | |
854 | err_clear_data(es, i); | |
855 | } | |
856 | } else { | |
857 | if (es->err_data[i] == NULL) { | |
858 | *data = ""; | |
859 | if (flags != NULL) | |
860 | *flags = 0; | |
861 | } else { | |
862 | *data = es->err_data[i]; | |
863 | if (flags != NULL) | |
864 | *flags = es->err_data_flags[i]; | |
865 | } | |
866 | } | |
867 | return ret; | |
868 | } | |
d02b48c6 | 869 | |
e5c84d51 | 870 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
871 | { |
872 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
873 | const char *ls, *fs, *rs; | |
874 | unsigned long l, f, r; | |
875 | ||
876 | l = ERR_GET_LIB(e); | |
877 | f = ERR_GET_FUNC(e); | |
878 | r = ERR_GET_REASON(e); | |
879 | ||
880 | ls = ERR_lib_error_string(e); | |
881 | fs = ERR_func_error_string(e); | |
882 | rs = ERR_reason_error_string(e); | |
883 | ||
884 | if (ls == NULL) | |
885 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
886 | if (fs == NULL) | |
887 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
888 | if (rs == NULL) | |
889 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
890 | ||
891 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf, | |
892 | fs ? fs : fsbuf, rs ? rs : rsbuf); | |
893 | if (strlen(buf) == len - 1) { | |
894 | /* | |
895 | * output may be truncated; make sure we always have 5 | |
896 | * colon-separated fields, i.e. 4 colons ... | |
897 | */ | |
e5c84d51 | 898 | #define NUM_COLONS 4 |
0f113f3e MC |
899 | if (len > NUM_COLONS) { /* ... if possible */ |
900 | int i; | |
901 | char *s = buf; | |
902 | ||
903 | for (i = 0; i < NUM_COLONS; i++) { | |
904 | char *colon = strchr(s, ':'); | |
905 | if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { | |
906 | /* | |
907 | * set colon no. i at last possible position (buf[len-1] | |
908 | * is the terminating 0) | |
909 | */ | |
910 | colon = &buf[len - 1] - NUM_COLONS + i; | |
911 | *colon = ':'; | |
912 | } | |
913 | s = colon + 1; | |
914 | } | |
915 | } | |
916 | } | |
917 | } | |
e5c84d51 BM |
918 | |
919 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
0f113f3e MC |
920 | /* |
921 | * ERR_error_string_n should be used instead for ret != NULL as | |
922 | * ERR_error_string cannot know how large the buffer is | |
923 | */ | |
e5c84d51 | 924 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
925 | { |
926 | static char buf[256]; | |
e5c84d51 | 927 | |
0f113f3e MC |
928 | if (ret == NULL) |
929 | ret = buf; | |
930 | ERR_error_string_n(e, ret, 256); | |
d02b48c6 | 931 | |
0f113f3e MC |
932 | return ret; |
933 | } | |
d02b48c6 | 934 | |
3c1d6bbc | 935 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
0f113f3e MC |
936 | { |
937 | err_fns_check(); | |
938 | return ERRFN(err_get) (0); | |
939 | } | |
d02b48c6 | 940 | |
3c1d6bbc | 941 | LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void) |
0f113f3e MC |
942 | { |
943 | err_fns_check(); | |
944 | return ERRFN(thread_get) (0); | |
945 | } | |
d02b48c6 | 946 | |
3c1d6bbc | 947 | void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash) |
0f113f3e MC |
948 | { |
949 | err_fns_check(); | |
950 | ERRFN(thread_release) (hash); | |
951 | } | |
11171f3c | 952 | |
6b691a5c | 953 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
954 | { |
955 | ERR_STRING_DATA d, *p; | |
956 | unsigned long l; | |
d02b48c6 | 957 | |
0f113f3e MC |
958 | err_fns_check(); |
959 | l = ERR_GET_LIB(e); | |
960 | d.error = ERR_PACK(l, 0, 0); | |
961 | p = ERRFN(err_get_item) (&d); | |
962 | return ((p == NULL) ? NULL : p->string); | |
963 | } | |
d02b48c6 | 964 | |
6b691a5c | 965 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
966 | { |
967 | ERR_STRING_DATA d, *p; | |
968 | unsigned long l, f; | |
969 | ||
970 | err_fns_check(); | |
971 | l = ERR_GET_LIB(e); | |
972 | f = ERR_GET_FUNC(e); | |
973 | d.error = ERR_PACK(l, f, 0); | |
974 | p = ERRFN(err_get_item) (&d); | |
975 | return ((p == NULL) ? NULL : p->string); | |
976 | } | |
d02b48c6 | 977 | |
6b691a5c | 978 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
979 | { |
980 | ERR_STRING_DATA d, *p = NULL; | |
981 | unsigned long l, r; | |
982 | ||
983 | err_fns_check(); | |
984 | l = ERR_GET_LIB(e); | |
985 | r = ERR_GET_REASON(e); | |
986 | d.error = ERR_PACK(l, 0, r); | |
987 | p = ERRFN(err_get_item) (&d); | |
988 | if (!p) { | |
989 | d.error = ERR_PACK(0, 0, r); | |
990 | p = ERRFN(err_get_item) (&d); | |
991 | } | |
992 | return ((p == NULL) ? NULL : p->string); | |
993 | } | |
d02b48c6 | 994 | |
4c329696 | 995 | void ERR_remove_thread_state(const CRYPTO_THREADID *id) |
0f113f3e MC |
996 | { |
997 | ERR_STATE tmp; | |
998 | ||
999 | if (id) | |
1000 | CRYPTO_THREADID_cpy(&tmp.tid, id); | |
1001 | else | |
1002 | CRYPTO_THREADID_current(&tmp.tid); | |
1003 | err_fns_check(); | |
1004 | /* | |
1005 | * thread_del_item automatically destroys the LHASH if the number of | |
1006 | * items reaches zero. | |
1007 | */ | |
1008 | ERRFN(thread_del_item) (&tmp); | |
1009 | } | |
d02b48c6 | 1010 | |
4c329696 GT |
1011 | #ifndef OPENSSL_NO_DEPRECATED |
1012 | void ERR_remove_state(unsigned long pid) | |
0f113f3e MC |
1013 | { |
1014 | ERR_remove_thread_state(NULL); | |
1015 | } | |
4c329696 GT |
1016 | #endif |
1017 | ||
6b691a5c | 1018 | ERR_STATE *ERR_get_state(void) |
0f113f3e MC |
1019 | { |
1020 | static ERR_STATE fallback; | |
1021 | ERR_STATE *ret, tmp, *tmpp = NULL; | |
1022 | int i; | |
1023 | CRYPTO_THREADID tid; | |
1024 | ||
1025 | err_fns_check(); | |
1026 | CRYPTO_THREADID_current(&tid); | |
1027 | CRYPTO_THREADID_cpy(&tmp.tid, &tid); | |
1028 | ret = ERRFN(thread_get_item) (&tmp); | |
1029 | ||
1030 | /* ret == the error state, if NULL, make a new one */ | |
1031 | if (ret == NULL) { | |
1032 | ret = (ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); | |
1033 | if (ret == NULL) | |
1034 | return (&fallback); | |
1035 | CRYPTO_THREADID_cpy(&ret->tid, &tid); | |
1036 | ret->top = 0; | |
1037 | ret->bottom = 0; | |
1038 | for (i = 0; i < ERR_NUM_ERRORS; i++) { | |
1039 | ret->err_data[i] = NULL; | |
1040 | ret->err_data_flags[i] = 0; | |
1041 | } | |
1042 | tmpp = ERRFN(thread_set_item) (ret); | |
1043 | /* To check if insertion failed, do a get. */ | |
1044 | if (ERRFN(thread_get_item) (ret) != ret) { | |
1045 | ERR_STATE_free(ret); /* could not insert it */ | |
1046 | return (&fallback); | |
1047 | } | |
1048 | /* | |
1049 | * If a race occurred in this function and we came second, tmpp is | |
1050 | * the first one that we just replaced. | |
1051 | */ | |
1052 | if (tmpp) | |
1053 | ERR_STATE_free(tmpp); | |
1054 | } | |
1055 | return ret; | |
1056 | } | |
d02b48c6 | 1057 | |
6b691a5c | 1058 | int ERR_get_next_error_library(void) |
0f113f3e MC |
1059 | { |
1060 | err_fns_check(); | |
1061 | return ERRFN(get_next_lib) (); | |
1062 | } | |
58964a49 | 1063 | |
6b691a5c | 1064 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
1065 | { |
1066 | ERR_STATE *es; | |
1067 | int i; | |
58964a49 | 1068 | |
0f113f3e | 1069 | es = ERR_get_state(); |
58964a49 | 1070 | |
0f113f3e MC |
1071 | i = es->top; |
1072 | if (i == 0) | |
1073 | i = ERR_NUM_ERRORS - 1; | |
58964a49 | 1074 | |
0f113f3e MC |
1075 | err_clear_data(es, i); |
1076 | es->err_data[i] = data; | |
1077 | es->err_data_flags[i] = flags; | |
1078 | } | |
58964a49 | 1079 | |
4565c3e3 | 1080 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
1081 | { |
1082 | va_list args; | |
1083 | va_start(args, num); | |
1084 | ERR_add_error_vdata(num, args); | |
1085 | va_end(args); | |
1086 | } | |
78c45722 DSH |
1087 | |
1088 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
1089 | { |
1090 | int i, n, s; | |
1091 | char *str, *p, *a; | |
1092 | ||
1093 | s = 80; | |
1094 | str = OPENSSL_malloc(s + 1); | |
1095 | if (str == NULL) | |
1096 | return; | |
1097 | str[0] = '\0'; | |
1098 | ||
1099 | n = 0; | |
1100 | for (i = 0; i < num; i++) { | |
1101 | a = va_arg(args, char *); | |
1102 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ | |
1103 | if (a != NULL) { | |
1104 | n += strlen(a); | |
1105 | if (n > s) { | |
1106 | s = n + 20; | |
1107 | p = OPENSSL_realloc(str, s + 1); | |
1108 | if (p == NULL) { | |
1109 | OPENSSL_free(str); | |
1110 | return; | |
1111 | } else | |
1112 | str = p; | |
1113 | } | |
1114 | BUF_strlcat(str, a, (size_t)s + 1); | |
1115 | } | |
1116 | } | |
1117 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
1118 | } | |
54f64516 RL |
1119 | |
1120 | int ERR_set_mark(void) | |
0f113f3e MC |
1121 | { |
1122 | ERR_STATE *es; | |
54f64516 | 1123 | |
0f113f3e | 1124 | es = ERR_get_state(); |
54f64516 | 1125 | |
0f113f3e MC |
1126 | if (es->bottom == es->top) |
1127 | return 0; | |
1128 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
1129 | return 1; | |
1130 | } | |
54f64516 RL |
1131 | |
1132 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
1133 | { |
1134 | ERR_STATE *es; | |
1135 | ||
1136 | es = ERR_get_state(); | |
1137 | ||
1138 | while (es->bottom != es->top | |
1139 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
1140 | err_clear(es, es->top); | |
1141 | es->top -= 1; | |
1142 | if (es->top == -1) | |
1143 | es->top = ERR_NUM_ERRORS - 1; | |
1144 | } | |
1145 | ||
1146 | if (es->bottom == es->top) | |
1147 | return 0; | |
1148 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
1149 | return 1; | |
1150 | } |