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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 RE |
111 | |
112 | #include <stdio.h> | |
4565c3e3 | 113 | #include <stdarg.h> |
0a150c5c | 114 | #include <string.h> |
25a66ee3 | 115 | #include "cryptlib.h" |
ec577822 BM |
116 | #include <openssl/lhash.h> |
117 | #include <openssl/crypto.h> | |
ec577822 | 118 | #include <openssl/buffer.h> |
e5c84d51 | 119 | #include <openssl/bio.h> |
dcba2534 | 120 | #include <openssl/err.h> |
d02b48c6 | 121 | |
3c1d6bbc BL |
122 | DECLARE_LHASH_OF(ERR_STRING_DATA); |
123 | DECLARE_LHASH_OF(ERR_STATE); | |
124 | ||
cf5bfbfc BM |
125 | static void err_load_strings(int lib, ERR_STRING_DATA *str); |
126 | ||
58964a49 | 127 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 128 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
129 | static ERR_STRING_DATA ERR_str_libraries[] = { |
130 | {ERR_PACK(ERR_LIB_NONE, 0, 0), "unknown library"}, | |
131 | {ERR_PACK(ERR_LIB_SYS, 0, 0), "system library"}, | |
132 | {ERR_PACK(ERR_LIB_BN, 0, 0), "bignum routines"}, | |
133 | {ERR_PACK(ERR_LIB_RSA, 0, 0), "rsa routines"}, | |
134 | {ERR_PACK(ERR_LIB_DH, 0, 0), "Diffie-Hellman routines"}, | |
135 | {ERR_PACK(ERR_LIB_EVP, 0, 0), "digital envelope routines"}, | |
136 | {ERR_PACK(ERR_LIB_BUF, 0, 0), "memory buffer routines"}, | |
137 | {ERR_PACK(ERR_LIB_OBJ, 0, 0), "object identifier routines"}, | |
138 | {ERR_PACK(ERR_LIB_PEM, 0, 0), "PEM routines"}, | |
139 | {ERR_PACK(ERR_LIB_DSA, 0, 0), "dsa routines"}, | |
140 | {ERR_PACK(ERR_LIB_X509, 0, 0), "x509 certificate routines"}, | |
141 | {ERR_PACK(ERR_LIB_ASN1, 0, 0), "asn1 encoding routines"}, | |
142 | {ERR_PACK(ERR_LIB_CONF, 0, 0), "configuration file routines"}, | |
143 | {ERR_PACK(ERR_LIB_CRYPTO, 0, 0), "common libcrypto routines"}, | |
144 | {ERR_PACK(ERR_LIB_EC, 0, 0), "elliptic curve routines"}, | |
145 | {ERR_PACK(ERR_LIB_ECDSA, 0, 0), "ECDSA routines"}, | |
146 | {ERR_PACK(ERR_LIB_ECDH, 0, 0), "ECDH routines"}, | |
147 | {ERR_PACK(ERR_LIB_SSL, 0, 0), "SSL routines"}, | |
148 | {ERR_PACK(ERR_LIB_BIO, 0, 0), "BIO routines"}, | |
149 | {ERR_PACK(ERR_LIB_PKCS7, 0, 0), "PKCS7 routines"}, | |
150 | {ERR_PACK(ERR_LIB_X509V3, 0, 0), "X509 V3 routines"}, | |
151 | {ERR_PACK(ERR_LIB_PKCS12, 0, 0), "PKCS12 routines"}, | |
152 | {ERR_PACK(ERR_LIB_RAND, 0, 0), "random number generator"}, | |
153 | {ERR_PACK(ERR_LIB_DSO, 0, 0), "DSO support routines"}, | |
154 | {ERR_PACK(ERR_LIB_TS, 0, 0), "time stamp routines"}, | |
155 | {ERR_PACK(ERR_LIB_ENGINE, 0, 0), "engine routines"}, | |
156 | {ERR_PACK(ERR_LIB_OCSP, 0, 0), "OCSP routines"}, | |
157 | {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"}, | |
158 | {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"}, | |
159 | {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"}, | |
160 | {0, NULL}, | |
161 | }; | |
162 | ||
163 | static ERR_STRING_DATA ERR_str_functs[] = { | |
164 | {ERR_PACK(0, SYS_F_FOPEN, 0), "fopen"}, | |
165 | {ERR_PACK(0, SYS_F_CONNECT, 0), "connect"}, | |
166 | {ERR_PACK(0, SYS_F_GETSERVBYNAME, 0), "getservbyname"}, | |
167 | {ERR_PACK(0, SYS_F_SOCKET, 0), "socket"}, | |
168 | {ERR_PACK(0, SYS_F_IOCTLSOCKET, 0), "ioctlsocket"}, | |
169 | {ERR_PACK(0, SYS_F_BIND, 0), "bind"}, | |
170 | {ERR_PACK(0, SYS_F_LISTEN, 0), "listen"}, | |
171 | {ERR_PACK(0, SYS_F_ACCEPT, 0), "accept"}, | |
172 | # ifdef OPENSSL_SYS_WINDOWS | |
173 | {ERR_PACK(0, SYS_F_WSASTARTUP, 0), "WSAstartup"}, | |
174 | # endif | |
175 | {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"}, | |
176 | {ERR_PACK(0, SYS_F_FREAD, 0), "fread"}, | |
177 | {0, NULL}, | |
178 | }; | |
179 | ||
180 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
181 | {ERR_R_SYS_LIB, "system lib"}, | |
182 | {ERR_R_BN_LIB, "BN lib"}, | |
183 | {ERR_R_RSA_LIB, "RSA lib"}, | |
184 | {ERR_R_DH_LIB, "DH lib"}, | |
185 | {ERR_R_EVP_LIB, "EVP lib"}, | |
186 | {ERR_R_BUF_LIB, "BUF lib"}, | |
187 | {ERR_R_OBJ_LIB, "OBJ lib"}, | |
188 | {ERR_R_PEM_LIB, "PEM lib"}, | |
189 | {ERR_R_DSA_LIB, "DSA lib"}, | |
190 | {ERR_R_X509_LIB, "X509 lib"}, | |
191 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
192 | {ERR_R_CONF_LIB, "CONF lib"}, | |
193 | {ERR_R_CRYPTO_LIB, "CRYPTO lib"}, | |
194 | {ERR_R_EC_LIB, "EC lib"}, | |
195 | {ERR_R_SSL_LIB, "SSL lib"}, | |
196 | {ERR_R_BIO_LIB, "BIO lib"}, | |
197 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
198 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
199 | {ERR_R_PKCS12_LIB, "PKCS12 lib"}, | |
200 | {ERR_R_RAND_LIB, "RAND lib"}, | |
201 | {ERR_R_DSO_LIB, "DSO lib"}, | |
202 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, | |
203 | {ERR_R_OCSP_LIB, "OCSP lib"}, | |
204 | {ERR_R_TS_LIB, "TS lib"}, | |
205 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, | |
206 | ||
207 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
208 | {ERR_R_BAD_ASN1_OBJECT_HEADER, "bad asn1 object header"}, | |
209 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL, "bad get asn1 object call"}, | |
210 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE, "expecting an asn1 sequence"}, | |
211 | {ERR_R_ASN1_LENGTH_MISMATCH, "asn1 length mismatch"}, | |
212 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, | |
213 | ||
214 | {ERR_R_FATAL, "fatal"}, | |
215 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
216 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
217 | "called a function you should not call"}, | |
218 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
219 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
220 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
221 | ||
222 | {0, NULL}, | |
223 | }; | |
d02b48c6 | 224 | #endif |
0a150c5c | 225 | |
566bdf2b | 226 | /* Predeclarations of the "err_defaults" functions */ |
3e47caff | 227 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit); |
566bdf2b | 228 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); |
3e47caff | 229 | static LHASH_OF(ERR_STATE) *int_thread_get(int create, int lockit); |
3c1d6bbc | 230 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash); |
566bdf2b GT |
231 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
232 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
233 | static void int_thread_del_item(const ERR_STATE *); | |
566bdf2b | 234 | |
0f113f3e | 235 | /* |
3e47caff | 236 | * The internal state |
0f113f3e | 237 | */ |
3c1d6bbc BL |
238 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
239 | static LHASH_OF(ERR_STATE) *int_thread_hash = NULL; | |
11171f3c | 240 | static int int_thread_hash_references = 0; |
0f113f3e | 241 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 242 | |
0f113f3e MC |
243 | /* |
244 | * These are the callbacks provided to "lh_new()" when creating the LHASH | |
245 | * tables internal to the "err_defaults" implementation. | |
246 | */ | |
247 | ||
248 | static unsigned long get_error_values(int inc, int top, const char **file, | |
249 | int *line, const char **data, | |
250 | int *flags); | |
566bdf2b | 251 | |
3c1d6bbc | 252 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
0f113f3e MC |
253 | { |
254 | unsigned long ret, l; | |
255 | ||
256 | l = a->error; | |
257 | ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l); | |
258 | return (ret ^ ret % 19 * 13); | |
259 | } | |
3c1d6bbc | 260 | |
ab3eafd5 | 261 | static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc BL |
262 | |
263 | static int err_string_data_cmp(const ERR_STRING_DATA *a, | |
0f113f3e MC |
264 | const ERR_STRING_DATA *b) |
265 | { | |
266 | return (int)(a->error - b->error); | |
267 | } | |
268 | ||
ab3eafd5 | 269 | static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc | 270 | |
3e47caff | 271 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit) |
0f113f3e MC |
272 | { |
273 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
274 | ||
3e47caff RS |
275 | if (lockit) |
276 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
0f113f3e | 277 | if (!int_error_hash && create) { |
3e47caff | 278 | CRYPTO_push_info("get_hash (err.c)"); |
0f113f3e MC |
279 | int_error_hash = lh_ERR_STRING_DATA_new(); |
280 | CRYPTO_pop_info(); | |
281 | } | |
282 | if (int_error_hash) | |
283 | ret = int_error_hash; | |
3e47caff RS |
284 | if (lockit) |
285 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
0f113f3e MC |
286 | |
287 | return ret; | |
288 | } | |
567fef89 | 289 | |
566bdf2b | 290 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e | 291 | { |
3e47caff | 292 | ERR_STRING_DATA *p = NULL; |
0f113f3e | 293 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 294 | |
0f113f3e | 295 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
296 | hash = get_hash(0, 0); |
297 | if (hash) | |
298 | p = lh_ERR_STRING_DATA_retrieve(hash, d); | |
0f113f3e | 299 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 300 | |
0f113f3e MC |
301 | return p; |
302 | } | |
567fef89 | 303 | |
3c1d6bbc | 304 | static unsigned long err_state_hash(const ERR_STATE *a) |
0f113f3e MC |
305 | { |
306 | return CRYPTO_THREADID_hash(&a->tid) * 13; | |
307 | } | |
308 | ||
ab3eafd5 | 309 | static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE) |
3c1d6bbc BL |
310 | |
311 | static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b) | |
0f113f3e MC |
312 | { |
313 | return CRYPTO_THREADID_cmp(&a->tid, &b->tid); | |
314 | } | |
315 | ||
ab3eafd5 | 316 | static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE) |
3c1d6bbc | 317 | |
3e47caff | 318 | static LHASH_OF(ERR_STATE) *int_thread_get(int create, int lockit) |
0f113f3e MC |
319 | { |
320 | LHASH_OF(ERR_STATE) *ret = NULL; | |
321 | ||
3e47caff RS |
322 | if (lockit) |
323 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
0f113f3e MC |
324 | if (!int_thread_hash && create) { |
325 | CRYPTO_push_info("int_thread_get (err.c)"); | |
326 | int_thread_hash = lh_ERR_STATE_new(); | |
327 | CRYPTO_pop_info(); | |
328 | } | |
329 | if (int_thread_hash) { | |
330 | int_thread_hash_references++; | |
331 | ret = int_thread_hash; | |
332 | } | |
3e47caff RS |
333 | if (lockit) |
334 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
0f113f3e MC |
335 | return ret; |
336 | } | |
567fef89 | 337 | |
3c1d6bbc | 338 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash) |
0f113f3e MC |
339 | { |
340 | int i; | |
11171f3c | 341 | |
0f113f3e MC |
342 | if (hash == NULL || *hash == NULL) |
343 | return; | |
11171f3c | 344 | |
0f113f3e | 345 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); |
11171f3c RL |
346 | |
347 | #ifdef REF_PRINT | |
0f113f3e | 348 | fprintf(stderr, "%4d:%s\n", int_thread_hash_references, "ERR"); |
11171f3c | 349 | #endif |
0f113f3e MC |
350 | if (i > 0) |
351 | return; | |
11171f3c | 352 | #ifdef REF_CHECK |
0f113f3e MC |
353 | if (i < 0) { |
354 | fprintf(stderr, "int_thread_release, bad reference count\n"); | |
355 | abort(); /* ok */ | |
356 | } | |
11171f3c | 357 | #endif |
0f113f3e MC |
358 | *hash = NULL; |
359 | } | |
11171f3c | 360 | |
566bdf2b | 361 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
0f113f3e | 362 | { |
3e47caff | 363 | ERR_STATE *p = NULL; |
0f113f3e | 364 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 365 | |
0f113f3e | 366 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
367 | hash = int_thread_get(0, 0); |
368 | if (hash) | |
369 | p = lh_ERR_STATE_retrieve(hash, d); | |
0f113f3e | 370 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 371 | |
3e47caff | 372 | int_thread_release(&hash); |
0f113f3e MC |
373 | return p; |
374 | } | |
567fef89 | 375 | |
566bdf2b | 376 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
0f113f3e | 377 | { |
3e47caff | 378 | ERR_STATE *p = NULL; |
0f113f3e | 379 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 380 | |
0f113f3e | 381 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
382 | hash = int_thread_get(1, 0); |
383 | if (hash) | |
384 | p = lh_ERR_STATE_insert(hash, d); | |
0f113f3e | 385 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 386 | |
3e47caff | 387 | int_thread_release(&hash); |
0f113f3e MC |
388 | return p; |
389 | } | |
567fef89 | 390 | |
566bdf2b | 391 | static void int_thread_del_item(const ERR_STATE *d) |
0f113f3e | 392 | { |
3e47caff | 393 | ERR_STATE *p = NULL; |
0f113f3e MC |
394 | LHASH_OF(ERR_STATE) *hash; |
395 | ||
0f113f3e | 396 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
397 | hash = int_thread_get(0, 0); |
398 | if (hash) { | |
399 | p = lh_ERR_STATE_delete(hash, d); | |
400 | /* If there are no other references, and we just removed the | |
401 | * last item, delete the int_thread_hash */ | |
402 | if (int_thread_hash_references == 1 | |
403 | && int_thread_hash | |
404 | && lh_ERR_STATE_num_items(int_thread_hash) == 0) { | |
405 | lh_ERR_STATE_free(int_thread_hash); | |
406 | int_thread_hash = NULL; | |
407 | } | |
0f113f3e MC |
408 | } |
409 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
410 | ||
3e47caff | 411 | int_thread_release(&hash); |
0f113f3e MC |
412 | if (p) |
413 | ERR_STATE_free(p); | |
414 | } | |
567fef89 | 415 | |
758f942b | 416 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
417 | # define NUM_SYS_STR_REASONS 127 |
418 | # define LEN_SYS_STR_REASON 32 | |
0a150c5c BM |
419 | |
420 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
0f113f3e MC |
421 | /* |
422 | * SYS_str_reasons is filled with copies of strerror() results at | |
423 | * initialization. 'errno' values up to 127 should cover all usual errors, | |
424 | * others will be displayed numerically by ERR_error_string. It is crucial | |
425 | * that we have something for each reason code that occurs in | |
426 | * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(), | |
427 | * which always gets an errno value and never one of those 'standard' reason | |
428 | * codes. | |
429 | */ | |
0a150c5c | 430 | |
41a15c4f | 431 | static void build_SYS_str_reasons(void) |
0f113f3e MC |
432 | { |
433 | /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
434 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
0f113f3e | 435 | static int init = 1; |
3e47caff | 436 | int i; |
0f113f3e MC |
437 | |
438 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); | |
439 | if (!init) { | |
440 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
441 | return; | |
442 | } | |
443 | ||
444 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
445 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
446 | if (!init) { | |
447 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
448 | return; | |
449 | } | |
450 | ||
451 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) { | |
452 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
453 | ||
454 | str->error = (unsigned long)i; | |
455 | if (str->string == NULL) { | |
456 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
457 | char *src = strerror(i); | |
458 | if (src != NULL) { | |
459 | strncpy(*dest, src, sizeof *dest); | |
460 | (*dest)[sizeof *dest - 1] = '\0'; | |
461 | str->string = *dest; | |
462 | } | |
463 | } | |
464 | if (str->string == NULL) | |
465 | str->string = "unknown"; | |
466 | } | |
467 | ||
468 | /* | |
469 | * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as | |
470 | * required by ERR_load_strings. | |
471 | */ | |
472 | ||
473 | init = 0; | |
474 | ||
475 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
476 | } | |
d02b48c6 RE |
477 | #endif |
478 | ||
58964a49 | 479 | #define err_clear_data(p,i) \ |
0f113f3e MC |
480 | do { \ |
481 | if (((p)->err_data[i] != NULL) && \ | |
482 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
483 | { \ | |
484 | OPENSSL_free((p)->err_data[i]); \ | |
485 | (p)->err_data[i]=NULL; \ | |
486 | } \ | |
487 | (p)->err_data_flags[i]=0; \ | |
488 | } while(0) | |
54f64516 RL |
489 | |
490 | #define err_clear(p,i) \ | |
0f113f3e MC |
491 | do { \ |
492 | (p)->err_flags[i]=0; \ | |
493 | (p)->err_buffer[i]=0; \ | |
494 | err_clear_data(p,i); \ | |
495 | (p)->err_file[i]=NULL; \ | |
496 | (p)->err_line[i]= -1; \ | |
497 | } while(0) | |
58964a49 | 498 | |
6b691a5c | 499 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
500 | { |
501 | int i; | |
58964a49 | 502 | |
0f113f3e MC |
503 | if (s == NULL) |
504 | return; | |
e03ddfae | 505 | |
0f113f3e MC |
506 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
507 | err_clear_data(s, i); | |
508 | } | |
509 | OPENSSL_free(s); | |
510 | } | |
58964a49 | 511 | |
6b691a5c | 512 | void ERR_load_ERR_strings(void) |
0f113f3e | 513 | { |
cf1b7d96 | 514 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
515 | err_load_strings(0, ERR_str_libraries); |
516 | err_load_strings(0, ERR_str_reasons); | |
517 | err_load_strings(ERR_LIB_SYS, ERR_str_functs); | |
518 | build_SYS_str_reasons(); | |
519 | err_load_strings(ERR_LIB_SYS, SYS_str_reasons); | |
d02b48c6 | 520 | #endif |
0f113f3e | 521 | } |
d02b48c6 | 522 | |
cf5bfbfc | 523 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 524 | { |
3e47caff RS |
525 | LHASH_OF(ERR_STRING_DATA) *hash; |
526 | ||
527 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
528 | hash = get_hash(1, 0); | |
529 | if (hash) { | |
530 | for (; str->error; str++) { | |
531 | if (lib) | |
532 | str->error |= ERR_PACK(lib, 0, 0); | |
533 | (void)lh_ERR_STRING_DATA_insert(hash, str); | |
534 | } | |
0f113f3e | 535 | } |
3e47caff | 536 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0f113f3e | 537 | } |
d02b48c6 | 538 | |
cf5bfbfc | 539 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e MC |
540 | { |
541 | ERR_load_ERR_strings(); | |
542 | err_load_strings(lib, str); | |
543 | } | |
cf5bfbfc | 544 | |
1738bb61 | 545 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 546 | { |
3e47caff RS |
547 | LHASH_OF(ERR_STRING_DATA) *hash; |
548 | ||
549 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
550 | hash = get_hash(0, 0); | |
551 | if (hash) { | |
552 | for (; str->error; str++) { | |
553 | if (lib) | |
554 | str->error |= ERR_PACK(lib, 0, 0); | |
555 | (void)lh_ERR_STRING_DATA_delete(hash, str); | |
556 | } | |
0f113f3e | 557 | } |
3e47caff | 558 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0f113f3e | 559 | } |
1738bb61 | 560 | |
6b691a5c | 561 | void ERR_free_strings(void) |
0f113f3e | 562 | { |
3e47caff RS |
563 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
564 | if (int_error_hash) { | |
565 | lh_ERR_STRING_DATA_free(int_error_hash); | |
566 | int_error_hash = NULL; | |
567 | } | |
568 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
0f113f3e | 569 | } |
d02b48c6 | 570 | |
58964a49 RE |
571 | /********************************************************/ |
572 | ||
0f113f3e MC |
573 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
574 | { | |
575 | ERR_STATE *es; | |
d02b48c6 | 576 | |
a53955d8 | 577 | #ifdef _OSD_POSIX |
0f113f3e MC |
578 | /* |
579 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
580 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
581 | * something sensible. @@@ We shouldn't modify a const string, though. | |
582 | */ | |
583 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
584 | char *end; | |
585 | ||
586 | /* Skip the "*POSIX(" prefix */ | |
587 | file += sizeof("*POSIX(") - 1; | |
588 | end = &file[strlen(file) - 1]; | |
589 | if (*end == ')') | |
590 | *end = '\0'; | |
591 | /* Optional: use the basename of the path only. */ | |
592 | if ((end = strrchr(file, '/')) != NULL) | |
593 | file = &end[1]; | |
594 | } | |
a53955d8 | 595 | #endif |
0f113f3e MC |
596 | es = ERR_get_state(); |
597 | ||
598 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
599 | if (es->top == es->bottom) | |
600 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
601 | es->err_flags[es->top] = 0; | |
602 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
603 | es->err_file[es->top] = file; | |
604 | es->err_line[es->top] = line; | |
605 | err_clear_data(es, es->top); | |
606 | } | |
d02b48c6 | 607 | |
6b691a5c | 608 | void ERR_clear_error(void) |
0f113f3e MC |
609 | { |
610 | int i; | |
611 | ERR_STATE *es; | |
d02b48c6 | 612 | |
0f113f3e | 613 | es = ERR_get_state(); |
d02b48c6 | 614 | |
0f113f3e MC |
615 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
616 | err_clear(es, i); | |
617 | } | |
618 | es->top = es->bottom = 0; | |
619 | } | |
d02b48c6 | 620 | |
6b691a5c | 621 | unsigned long ERR_get_error(void) |
0f113f3e MC |
622 | { |
623 | return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); | |
624 | } | |
d02b48c6 | 625 | |
0f113f3e MC |
626 | unsigned long ERR_get_error_line(const char **file, int *line) |
627 | { | |
628 | return (get_error_values(1, 0, file, line, NULL, NULL)); | |
629 | } | |
d02b48c6 | 630 | |
6b691a5c | 631 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
632 | const char **data, int *flags) |
633 | { | |
634 | return (get_error_values(1, 0, file, line, data, flags)); | |
635 | } | |
273db408 | 636 | |
6b691a5c | 637 | unsigned long ERR_peek_error(void) |
0f113f3e MC |
638 | { |
639 | return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); | |
640 | } | |
d02b48c6 | 641 | |
a14e2d9d | 642 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e MC |
643 | { |
644 | return (get_error_values(0, 0, file, line, NULL, NULL)); | |
645 | } | |
0fc5cf08 | 646 | |
6b691a5c | 647 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
648 | const char **data, int *flags) |
649 | { | |
650 | return (get_error_values(0, 0, file, line, data, flags)); | |
651 | } | |
273db408 BM |
652 | |
653 | unsigned long ERR_peek_last_error(void) | |
0f113f3e MC |
654 | { |
655 | return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); | |
656 | } | |
273db408 BM |
657 | |
658 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e MC |
659 | { |
660 | return (get_error_values(0, 1, file, line, NULL, NULL)); | |
661 | } | |
273db408 | 662 | |
a14e2d9d | 663 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
664 | const char **data, int *flags) |
665 | { | |
666 | return (get_error_values(0, 1, file, line, data, flags)); | |
667 | } | |
668 | ||
669 | static unsigned long get_error_values(int inc, int top, const char **file, | |
670 | int *line, const char **data, | |
671 | int *flags) | |
672 | { | |
673 | int i = 0; | |
674 | ERR_STATE *es; | |
675 | unsigned long ret; | |
676 | ||
677 | es = ERR_get_state(); | |
678 | ||
679 | if (inc && top) { | |
680 | if (file) | |
681 | *file = ""; | |
682 | if (line) | |
683 | *line = 0; | |
684 | if (data) | |
685 | *data = ""; | |
686 | if (flags) | |
687 | *flags = 0; | |
688 | ||
689 | return ERR_R_INTERNAL_ERROR; | |
690 | } | |
691 | ||
692 | if (es->bottom == es->top) | |
693 | return 0; | |
694 | if (top) | |
695 | i = es->top; /* last error */ | |
696 | else | |
697 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
698 | ||
699 | ret = es->err_buffer[i]; | |
700 | if (inc) { | |
701 | es->bottom = i; | |
702 | es->err_buffer[i] = 0; | |
703 | } | |
704 | ||
705 | if ((file != NULL) && (line != NULL)) { | |
706 | if (es->err_file[i] == NULL) { | |
707 | *file = "NA"; | |
708 | if (line != NULL) | |
709 | *line = 0; | |
710 | } else { | |
711 | *file = es->err_file[i]; | |
712 | if (line != NULL) | |
713 | *line = es->err_line[i]; | |
714 | } | |
715 | } | |
716 | ||
717 | if (data == NULL) { | |
718 | if (inc) { | |
719 | err_clear_data(es, i); | |
720 | } | |
721 | } else { | |
722 | if (es->err_data[i] == NULL) { | |
723 | *data = ""; | |
724 | if (flags != NULL) | |
725 | *flags = 0; | |
726 | } else { | |
727 | *data = es->err_data[i]; | |
728 | if (flags != NULL) | |
729 | *flags = es->err_data_flags[i]; | |
730 | } | |
731 | } | |
732 | return ret; | |
733 | } | |
d02b48c6 | 734 | |
e5c84d51 | 735 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
736 | { |
737 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
738 | const char *ls, *fs, *rs; | |
739 | unsigned long l, f, r; | |
740 | ||
741 | l = ERR_GET_LIB(e); | |
742 | f = ERR_GET_FUNC(e); | |
743 | r = ERR_GET_REASON(e); | |
744 | ||
745 | ls = ERR_lib_error_string(e); | |
746 | fs = ERR_func_error_string(e); | |
747 | rs = ERR_reason_error_string(e); | |
748 | ||
749 | if (ls == NULL) | |
750 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
751 | if (fs == NULL) | |
752 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
753 | if (rs == NULL) | |
754 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
755 | ||
756 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf, | |
757 | fs ? fs : fsbuf, rs ? rs : rsbuf); | |
758 | if (strlen(buf) == len - 1) { | |
759 | /* | |
760 | * output may be truncated; make sure we always have 5 | |
761 | * colon-separated fields, i.e. 4 colons ... | |
762 | */ | |
e5c84d51 | 763 | #define NUM_COLONS 4 |
0f113f3e MC |
764 | if (len > NUM_COLONS) { /* ... if possible */ |
765 | int i; | |
766 | char *s = buf; | |
767 | ||
768 | for (i = 0; i < NUM_COLONS; i++) { | |
769 | char *colon = strchr(s, ':'); | |
770 | if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { | |
771 | /* | |
772 | * set colon no. i at last possible position (buf[len-1] | |
773 | * is the terminating 0) | |
774 | */ | |
775 | colon = &buf[len - 1] - NUM_COLONS + i; | |
776 | *colon = ':'; | |
777 | } | |
778 | s = colon + 1; | |
779 | } | |
780 | } | |
781 | } | |
782 | } | |
e5c84d51 BM |
783 | |
784 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
0f113f3e MC |
785 | /* |
786 | * ERR_error_string_n should be used instead for ret != NULL as | |
787 | * ERR_error_string cannot know how large the buffer is | |
788 | */ | |
e5c84d51 | 789 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
790 | { |
791 | static char buf[256]; | |
e5c84d51 | 792 | |
0f113f3e MC |
793 | if (ret == NULL) |
794 | ret = buf; | |
795 | ERR_error_string_n(e, ret, 256); | |
d02b48c6 | 796 | |
0f113f3e MC |
797 | return ret; |
798 | } | |
d02b48c6 | 799 | |
3c1d6bbc | 800 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
0f113f3e | 801 | { |
3e47caff | 802 | return get_hash(0, 1); |
0f113f3e | 803 | } |
d02b48c6 | 804 | |
3c1d6bbc | 805 | LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void) |
0f113f3e | 806 | { |
3e47caff | 807 | return int_thread_get(0, 1); |
0f113f3e | 808 | } |
d02b48c6 | 809 | |
3c1d6bbc | 810 | void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash) |
0f113f3e | 811 | { |
3e47caff | 812 | int_thread_release(hash); |
0f113f3e | 813 | } |
11171f3c | 814 | |
6b691a5c | 815 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
816 | { |
817 | ERR_STRING_DATA d, *p; | |
818 | unsigned long l; | |
d02b48c6 | 819 | |
0f113f3e MC |
820 | l = ERR_GET_LIB(e); |
821 | d.error = ERR_PACK(l, 0, 0); | |
3e47caff | 822 | p = int_err_get_item(&d); |
0f113f3e MC |
823 | return ((p == NULL) ? NULL : p->string); |
824 | } | |
d02b48c6 | 825 | |
6b691a5c | 826 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
827 | { |
828 | ERR_STRING_DATA d, *p; | |
829 | unsigned long l, f; | |
830 | ||
0f113f3e MC |
831 | l = ERR_GET_LIB(e); |
832 | f = ERR_GET_FUNC(e); | |
833 | d.error = ERR_PACK(l, f, 0); | |
3e47caff | 834 | p = int_err_get_item(&d); |
0f113f3e MC |
835 | return ((p == NULL) ? NULL : p->string); |
836 | } | |
d02b48c6 | 837 | |
6b691a5c | 838 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
839 | { |
840 | ERR_STRING_DATA d, *p = NULL; | |
841 | unsigned long l, r; | |
842 | ||
0f113f3e MC |
843 | l = ERR_GET_LIB(e); |
844 | r = ERR_GET_REASON(e); | |
845 | d.error = ERR_PACK(l, 0, r); | |
3e47caff | 846 | p = int_err_get_item(&d); |
0f113f3e MC |
847 | if (!p) { |
848 | d.error = ERR_PACK(0, 0, r); | |
3e47caff | 849 | p = int_err_get_item(&d); |
0f113f3e MC |
850 | } |
851 | return ((p == NULL) ? NULL : p->string); | |
852 | } | |
d02b48c6 | 853 | |
4c329696 | 854 | void ERR_remove_thread_state(const CRYPTO_THREADID *id) |
0f113f3e MC |
855 | { |
856 | ERR_STATE tmp; | |
857 | ||
858 | if (id) | |
859 | CRYPTO_THREADID_cpy(&tmp.tid, id); | |
860 | else | |
861 | CRYPTO_THREADID_current(&tmp.tid); | |
0f113f3e MC |
862 | /* |
863 | * thread_del_item automatically destroys the LHASH if the number of | |
864 | * items reaches zero. | |
865 | */ | |
3e47caff | 866 | int_thread_del_item(&tmp); |
0f113f3e | 867 | } |
d02b48c6 | 868 | |
4c329696 GT |
869 | #ifndef OPENSSL_NO_DEPRECATED |
870 | void ERR_remove_state(unsigned long pid) | |
0f113f3e MC |
871 | { |
872 | ERR_remove_thread_state(NULL); | |
873 | } | |
4c329696 GT |
874 | #endif |
875 | ||
6b691a5c | 876 | ERR_STATE *ERR_get_state(void) |
0f113f3e MC |
877 | { |
878 | static ERR_STATE fallback; | |
879 | ERR_STATE *ret, tmp, *tmpp = NULL; | |
880 | int i; | |
881 | CRYPTO_THREADID tid; | |
882 | ||
0f113f3e MC |
883 | CRYPTO_THREADID_current(&tid); |
884 | CRYPTO_THREADID_cpy(&tmp.tid, &tid); | |
3e47caff | 885 | ret = int_thread_get_item(&tmp); |
0f113f3e MC |
886 | |
887 | /* ret == the error state, if NULL, make a new one */ | |
888 | if (ret == NULL) { | |
b196e7d9 | 889 | ret = OPENSSL_malloc(sizeof(ERR_STATE)); |
0f113f3e MC |
890 | if (ret == NULL) |
891 | return (&fallback); | |
892 | CRYPTO_THREADID_cpy(&ret->tid, &tid); | |
893 | ret->top = 0; | |
894 | ret->bottom = 0; | |
895 | for (i = 0; i < ERR_NUM_ERRORS; i++) { | |
896 | ret->err_data[i] = NULL; | |
897 | ret->err_data_flags[i] = 0; | |
898 | } | |
3e47caff | 899 | tmpp = int_thread_set_item(ret); |
0f113f3e | 900 | /* To check if insertion failed, do a get. */ |
3e47caff | 901 | if (int_thread_get_item(ret) != ret) { |
0f113f3e MC |
902 | ERR_STATE_free(ret); /* could not insert it */ |
903 | return (&fallback); | |
904 | } | |
905 | /* | |
906 | * If a race occurred in this function and we came second, tmpp is | |
907 | * the first one that we just replaced. | |
908 | */ | |
909 | if (tmpp) | |
910 | ERR_STATE_free(tmpp); | |
911 | } | |
912 | return ret; | |
913 | } | |
d02b48c6 | 914 | |
6b691a5c | 915 | int ERR_get_next_error_library(void) |
0f113f3e | 916 | { |
3e47caff RS |
917 | int ret; |
918 | ||
919 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
920 | ret = int_err_library_number++; | |
921 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
922 | return ret; | |
0f113f3e | 923 | } |
58964a49 | 924 | |
6b691a5c | 925 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
926 | { |
927 | ERR_STATE *es; | |
928 | int i; | |
58964a49 | 929 | |
0f113f3e | 930 | es = ERR_get_state(); |
58964a49 | 931 | |
0f113f3e MC |
932 | i = es->top; |
933 | if (i == 0) | |
934 | i = ERR_NUM_ERRORS - 1; | |
58964a49 | 935 | |
0f113f3e MC |
936 | err_clear_data(es, i); |
937 | es->err_data[i] = data; | |
938 | es->err_data_flags[i] = flags; | |
939 | } | |
58964a49 | 940 | |
4565c3e3 | 941 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
942 | { |
943 | va_list args; | |
944 | va_start(args, num); | |
945 | ERR_add_error_vdata(num, args); | |
946 | va_end(args); | |
947 | } | |
78c45722 DSH |
948 | |
949 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
950 | { |
951 | int i, n, s; | |
952 | char *str, *p, *a; | |
953 | ||
954 | s = 80; | |
955 | str = OPENSSL_malloc(s + 1); | |
956 | if (str == NULL) | |
957 | return; | |
958 | str[0] = '\0'; | |
959 | ||
960 | n = 0; | |
961 | for (i = 0; i < num; i++) { | |
962 | a = va_arg(args, char *); | |
963 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ | |
964 | if (a != NULL) { | |
965 | n += strlen(a); | |
966 | if (n > s) { | |
967 | s = n + 20; | |
968 | p = OPENSSL_realloc(str, s + 1); | |
969 | if (p == NULL) { | |
970 | OPENSSL_free(str); | |
971 | return; | |
972 | } else | |
973 | str = p; | |
974 | } | |
975 | BUF_strlcat(str, a, (size_t)s + 1); | |
976 | } | |
977 | } | |
978 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
979 | } | |
54f64516 RL |
980 | |
981 | int ERR_set_mark(void) | |
0f113f3e MC |
982 | { |
983 | ERR_STATE *es; | |
54f64516 | 984 | |
0f113f3e | 985 | es = ERR_get_state(); |
54f64516 | 986 | |
0f113f3e MC |
987 | if (es->bottom == es->top) |
988 | return 0; | |
989 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
990 | return 1; | |
991 | } | |
54f64516 RL |
992 | |
993 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
994 | { |
995 | ERR_STATE *es; | |
996 | ||
997 | es = ERR_get_state(); | |
998 | ||
999 | while (es->bottom != es->top | |
1000 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
1001 | err_clear(es, es->top); | |
1002 | es->top -= 1; | |
1003 | if (es->top == -1) | |
1004 | es->top = ERR_NUM_ERRORS - 1; | |
1005 | } | |
1006 | ||
1007 | if (es->bottom == es->top) | |
1008 | return 0; | |
1009 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
1010 | return 1; | |
1011 | } |