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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> |
b39fc560 | 115 | #include "internal/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"}, | |
079a1a90 | 160 | {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"}, |
0f113f3e MC |
161 | {0, NULL}, |
162 | }; | |
163 | ||
164 | static ERR_STRING_DATA ERR_str_functs[] = { | |
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 OPENSSL_SYS_WINDOWS | |
174 | {ERR_PACK(0, SYS_F_WSASTARTUP, 0), "WSAstartup"}, | |
175 | # endif | |
176 | {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"}, | |
177 | {ERR_PACK(0, SYS_F_FREAD, 0), "fread"}, | |
178 | {0, NULL}, | |
179 | }; | |
180 | ||
181 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
182 | {ERR_R_SYS_LIB, "system lib"}, | |
183 | {ERR_R_BN_LIB, "BN lib"}, | |
184 | {ERR_R_RSA_LIB, "RSA lib"}, | |
185 | {ERR_R_DH_LIB, "DH lib"}, | |
186 | {ERR_R_EVP_LIB, "EVP lib"}, | |
187 | {ERR_R_BUF_LIB, "BUF lib"}, | |
188 | {ERR_R_OBJ_LIB, "OBJ lib"}, | |
189 | {ERR_R_PEM_LIB, "PEM lib"}, | |
190 | {ERR_R_DSA_LIB, "DSA lib"}, | |
191 | {ERR_R_X509_LIB, "X509 lib"}, | |
192 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
193 | {ERR_R_CONF_LIB, "CONF lib"}, | |
194 | {ERR_R_CRYPTO_LIB, "CRYPTO lib"}, | |
195 | {ERR_R_EC_LIB, "EC lib"}, | |
196 | {ERR_R_SSL_LIB, "SSL lib"}, | |
197 | {ERR_R_BIO_LIB, "BIO lib"}, | |
198 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
199 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
200 | {ERR_R_PKCS12_LIB, "PKCS12 lib"}, | |
201 | {ERR_R_RAND_LIB, "RAND lib"}, | |
202 | {ERR_R_DSO_LIB, "DSO lib"}, | |
203 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, | |
204 | {ERR_R_OCSP_LIB, "OCSP lib"}, | |
205 | {ERR_R_TS_LIB, "TS lib"}, | |
206 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, | |
207 | ||
208 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
209 | {ERR_R_BAD_ASN1_OBJECT_HEADER, "bad asn1 object header"}, | |
210 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL, "bad get asn1 object call"}, | |
211 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE, "expecting an asn1 sequence"}, | |
212 | {ERR_R_ASN1_LENGTH_MISMATCH, "asn1 length mismatch"}, | |
213 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, | |
214 | ||
215 | {ERR_R_FATAL, "fatal"}, | |
216 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
217 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
218 | "called a function you should not call"}, | |
219 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
220 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
221 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
222 | ||
223 | {0, NULL}, | |
224 | }; | |
d02b48c6 | 225 | #endif |
0a150c5c | 226 | |
566bdf2b | 227 | /* Predeclarations of the "err_defaults" functions */ |
3e47caff | 228 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit); |
566bdf2b | 229 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); |
3e47caff | 230 | static LHASH_OF(ERR_STATE) *int_thread_get(int create, int lockit); |
3c1d6bbc | 231 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash); |
566bdf2b GT |
232 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
233 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
234 | static void int_thread_del_item(const ERR_STATE *); | |
566bdf2b | 235 | |
0f113f3e | 236 | /* |
3e47caff | 237 | * The internal state |
0f113f3e | 238 | */ |
3c1d6bbc BL |
239 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
240 | static LHASH_OF(ERR_STATE) *int_thread_hash = NULL; | |
11171f3c | 241 | static int int_thread_hash_references = 0; |
0f113f3e | 242 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 243 | |
0f113f3e MC |
244 | /* |
245 | * These are the callbacks provided to "lh_new()" when creating the LHASH | |
246 | * tables internal to the "err_defaults" implementation. | |
247 | */ | |
248 | ||
249 | static unsigned long get_error_values(int inc, int top, const char **file, | |
250 | int *line, const char **data, | |
251 | int *flags); | |
566bdf2b | 252 | |
3c1d6bbc | 253 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
0f113f3e MC |
254 | { |
255 | unsigned long ret, l; | |
256 | ||
257 | l = a->error; | |
258 | ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l); | |
259 | return (ret ^ ret % 19 * 13); | |
260 | } | |
3c1d6bbc | 261 | |
ab3eafd5 | 262 | static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc BL |
263 | |
264 | static int err_string_data_cmp(const ERR_STRING_DATA *a, | |
0f113f3e MC |
265 | const ERR_STRING_DATA *b) |
266 | { | |
267 | return (int)(a->error - b->error); | |
268 | } | |
269 | ||
ab3eafd5 | 270 | static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc | 271 | |
3e47caff | 272 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit) |
0f113f3e MC |
273 | { |
274 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
275 | ||
3e47caff RS |
276 | if (lockit) |
277 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
0f113f3e | 278 | if (!int_error_hash && create) { |
3e47caff | 279 | CRYPTO_push_info("get_hash (err.c)"); |
0f113f3e MC |
280 | int_error_hash = lh_ERR_STRING_DATA_new(); |
281 | CRYPTO_pop_info(); | |
282 | } | |
90945fa3 | 283 | if (int_error_hash != NULL) |
0f113f3e | 284 | ret = int_error_hash; |
3e47caff RS |
285 | if (lockit) |
286 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
0f113f3e MC |
287 | |
288 | return ret; | |
289 | } | |
567fef89 | 290 | |
566bdf2b | 291 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e | 292 | { |
3e47caff | 293 | ERR_STRING_DATA *p = NULL; |
0f113f3e | 294 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 295 | |
0f113f3e | 296 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
297 | hash = get_hash(0, 0); |
298 | if (hash) | |
299 | p = lh_ERR_STRING_DATA_retrieve(hash, d); | |
0f113f3e | 300 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 301 | |
0f113f3e MC |
302 | return p; |
303 | } | |
567fef89 | 304 | |
3c1d6bbc | 305 | static unsigned long err_state_hash(const ERR_STATE *a) |
0f113f3e MC |
306 | { |
307 | return CRYPTO_THREADID_hash(&a->tid) * 13; | |
308 | } | |
309 | ||
ab3eafd5 | 310 | static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE) |
3c1d6bbc BL |
311 | |
312 | static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b) | |
0f113f3e MC |
313 | { |
314 | return CRYPTO_THREADID_cmp(&a->tid, &b->tid); | |
315 | } | |
316 | ||
ab3eafd5 | 317 | static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE) |
3c1d6bbc | 318 | |
3e47caff | 319 | static LHASH_OF(ERR_STATE) *int_thread_get(int create, int lockit) |
0f113f3e MC |
320 | { |
321 | LHASH_OF(ERR_STATE) *ret = NULL; | |
322 | ||
3e47caff RS |
323 | if (lockit) |
324 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
0f113f3e MC |
325 | if (!int_thread_hash && create) { |
326 | CRYPTO_push_info("int_thread_get (err.c)"); | |
327 | int_thread_hash = lh_ERR_STATE_new(); | |
328 | CRYPTO_pop_info(); | |
329 | } | |
90945fa3 | 330 | if (int_thread_hash != NULL) { |
0f113f3e MC |
331 | int_thread_hash_references++; |
332 | ret = int_thread_hash; | |
333 | } | |
3e47caff RS |
334 | if (lockit) |
335 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
0f113f3e MC |
336 | return ret; |
337 | } | |
567fef89 | 338 | |
3c1d6bbc | 339 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash) |
0f113f3e MC |
340 | { |
341 | int i; | |
11171f3c | 342 | |
0f113f3e MC |
343 | if (hash == NULL || *hash == NULL) |
344 | return; | |
11171f3c | 345 | |
0f113f3e | 346 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); |
11171f3c RL |
347 | |
348 | #ifdef REF_PRINT | |
0f113f3e | 349 | fprintf(stderr, "%4d:%s\n", int_thread_hash_references, "ERR"); |
11171f3c | 350 | #endif |
0f113f3e MC |
351 | if (i > 0) |
352 | return; | |
11171f3c | 353 | #ifdef REF_CHECK |
0f113f3e MC |
354 | if (i < 0) { |
355 | fprintf(stderr, "int_thread_release, bad reference count\n"); | |
356 | abort(); /* ok */ | |
357 | } | |
11171f3c | 358 | #endif |
0f113f3e MC |
359 | *hash = NULL; |
360 | } | |
11171f3c | 361 | |
566bdf2b | 362 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
0f113f3e | 363 | { |
3e47caff | 364 | ERR_STATE *p = NULL; |
0f113f3e | 365 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 366 | |
0f113f3e | 367 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
368 | hash = int_thread_get(0, 0); |
369 | if (hash) | |
370 | p = lh_ERR_STATE_retrieve(hash, d); | |
0f113f3e | 371 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 372 | |
3e47caff | 373 | int_thread_release(&hash); |
0f113f3e MC |
374 | return p; |
375 | } | |
567fef89 | 376 | |
566bdf2b | 377 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
0f113f3e | 378 | { |
3e47caff | 379 | ERR_STATE *p = NULL; |
0f113f3e | 380 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 381 | |
0f113f3e | 382 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
383 | hash = int_thread_get(1, 0); |
384 | if (hash) | |
385 | p = lh_ERR_STATE_insert(hash, d); | |
0f113f3e | 386 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 387 | |
3e47caff | 388 | int_thread_release(&hash); |
0f113f3e MC |
389 | return p; |
390 | } | |
567fef89 | 391 | |
566bdf2b | 392 | static void int_thread_del_item(const ERR_STATE *d) |
0f113f3e | 393 | { |
3e47caff | 394 | ERR_STATE *p = NULL; |
0f113f3e MC |
395 | LHASH_OF(ERR_STATE) *hash; |
396 | ||
0f113f3e | 397 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
398 | hash = int_thread_get(0, 0); |
399 | if (hash) { | |
400 | p = lh_ERR_STATE_delete(hash, d); | |
401 | /* If there are no other references, and we just removed the | |
402 | * last item, delete the int_thread_hash */ | |
403 | if (int_thread_hash_references == 1 | |
404 | && int_thread_hash | |
405 | && lh_ERR_STATE_num_items(int_thread_hash) == 0) { | |
406 | lh_ERR_STATE_free(int_thread_hash); | |
407 | int_thread_hash = NULL; | |
408 | } | |
0f113f3e MC |
409 | } |
410 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
411 | ||
3e47caff | 412 | int_thread_release(&hash); |
efa7dd64 | 413 | ERR_STATE_free(p); |
0f113f3e | 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) { | |
b4faea50 RS |
459 | strncpy(*dest, src, sizeof(*dest)); |
460 | (*dest)[sizeof(*dest) - 1] = '\0'; | |
0f113f3e MC |
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 | 480 | do { \ |
b548a1f1 | 481 | if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ |
0f113f3e MC |
482 | { \ |
483 | OPENSSL_free((p)->err_data[i]); \ | |
484 | (p)->err_data[i]=NULL; \ | |
485 | } \ | |
486 | (p)->err_data_flags[i]=0; \ | |
487 | } while(0) | |
54f64516 RL |
488 | |
489 | #define err_clear(p,i) \ | |
0f113f3e MC |
490 | do { \ |
491 | (p)->err_flags[i]=0; \ | |
492 | (p)->err_buffer[i]=0; \ | |
493 | err_clear_data(p,i); \ | |
494 | (p)->err_file[i]=NULL; \ | |
495 | (p)->err_line[i]= -1; \ | |
496 | } while(0) | |
58964a49 | 497 | |
6b691a5c | 498 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
499 | { |
500 | int i; | |
58964a49 | 501 | |
0f113f3e MC |
502 | if (s == NULL) |
503 | return; | |
e03ddfae | 504 | |
0f113f3e MC |
505 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
506 | err_clear_data(s, i); | |
507 | } | |
508 | OPENSSL_free(s); | |
509 | } | |
58964a49 | 510 | |
6b691a5c | 511 | void ERR_load_ERR_strings(void) |
0f113f3e | 512 | { |
cf1b7d96 | 513 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
514 | err_load_strings(0, ERR_str_libraries); |
515 | err_load_strings(0, ERR_str_reasons); | |
516 | err_load_strings(ERR_LIB_SYS, ERR_str_functs); | |
517 | build_SYS_str_reasons(); | |
518 | err_load_strings(ERR_LIB_SYS, SYS_str_reasons); | |
d02b48c6 | 519 | #endif |
0f113f3e | 520 | } |
d02b48c6 | 521 | |
cf5bfbfc | 522 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 523 | { |
3e47caff RS |
524 | LHASH_OF(ERR_STRING_DATA) *hash; |
525 | ||
526 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
527 | hash = get_hash(1, 0); | |
528 | if (hash) { | |
529 | for (; str->error; str++) { | |
530 | if (lib) | |
531 | str->error |= ERR_PACK(lib, 0, 0); | |
532 | (void)lh_ERR_STRING_DATA_insert(hash, str); | |
533 | } | |
0f113f3e | 534 | } |
3e47caff | 535 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0f113f3e | 536 | } |
d02b48c6 | 537 | |
cf5bfbfc | 538 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e MC |
539 | { |
540 | ERR_load_ERR_strings(); | |
541 | err_load_strings(lib, str); | |
542 | } | |
cf5bfbfc | 543 | |
1738bb61 | 544 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 545 | { |
3e47caff RS |
546 | LHASH_OF(ERR_STRING_DATA) *hash; |
547 | ||
548 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
549 | hash = get_hash(0, 0); | |
550 | if (hash) { | |
551 | for (; str->error; str++) { | |
552 | if (lib) | |
553 | str->error |= ERR_PACK(lib, 0, 0); | |
554 | (void)lh_ERR_STRING_DATA_delete(hash, str); | |
555 | } | |
0f113f3e | 556 | } |
3e47caff | 557 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0f113f3e | 558 | } |
1738bb61 | 559 | |
6b691a5c | 560 | void ERR_free_strings(void) |
0f113f3e | 561 | { |
3e47caff | 562 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
25aaa98a RS |
563 | lh_ERR_STRING_DATA_free(int_error_hash); |
564 | int_error_hash = NULL; | |
3e47caff | 565 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0f113f3e | 566 | } |
d02b48c6 | 567 | |
58964a49 RE |
568 | /********************************************************/ |
569 | ||
0f113f3e MC |
570 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
571 | { | |
572 | ERR_STATE *es; | |
d02b48c6 | 573 | |
a53955d8 | 574 | #ifdef _OSD_POSIX |
0f113f3e MC |
575 | /* |
576 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
577 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
578 | * something sensible. @@@ We shouldn't modify a const string, though. | |
579 | */ | |
580 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
581 | char *end; | |
582 | ||
583 | /* Skip the "*POSIX(" prefix */ | |
584 | file += sizeof("*POSIX(") - 1; | |
585 | end = &file[strlen(file) - 1]; | |
586 | if (*end == ')') | |
587 | *end = '\0'; | |
588 | /* Optional: use the basename of the path only. */ | |
589 | if ((end = strrchr(file, '/')) != NULL) | |
590 | file = &end[1]; | |
591 | } | |
a53955d8 | 592 | #endif |
0f113f3e MC |
593 | es = ERR_get_state(); |
594 | ||
595 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
596 | if (es->top == es->bottom) | |
597 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
598 | es->err_flags[es->top] = 0; | |
599 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
600 | es->err_file[es->top] = file; | |
601 | es->err_line[es->top] = line; | |
602 | err_clear_data(es, es->top); | |
603 | } | |
d02b48c6 | 604 | |
6b691a5c | 605 | void ERR_clear_error(void) |
0f113f3e MC |
606 | { |
607 | int i; | |
608 | ERR_STATE *es; | |
d02b48c6 | 609 | |
0f113f3e | 610 | es = ERR_get_state(); |
d02b48c6 | 611 | |
0f113f3e MC |
612 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
613 | err_clear(es, i); | |
614 | } | |
615 | es->top = es->bottom = 0; | |
616 | } | |
d02b48c6 | 617 | |
6b691a5c | 618 | unsigned long ERR_get_error(void) |
0f113f3e MC |
619 | { |
620 | return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); | |
621 | } | |
d02b48c6 | 622 | |
0f113f3e MC |
623 | unsigned long ERR_get_error_line(const char **file, int *line) |
624 | { | |
625 | return (get_error_values(1, 0, file, line, NULL, NULL)); | |
626 | } | |
d02b48c6 | 627 | |
6b691a5c | 628 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
629 | const char **data, int *flags) |
630 | { | |
631 | return (get_error_values(1, 0, file, line, data, flags)); | |
632 | } | |
273db408 | 633 | |
6b691a5c | 634 | unsigned long ERR_peek_error(void) |
0f113f3e MC |
635 | { |
636 | return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); | |
637 | } | |
d02b48c6 | 638 | |
a14e2d9d | 639 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e MC |
640 | { |
641 | return (get_error_values(0, 0, file, line, NULL, NULL)); | |
642 | } | |
0fc5cf08 | 643 | |
6b691a5c | 644 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
645 | const char **data, int *flags) |
646 | { | |
647 | return (get_error_values(0, 0, file, line, data, flags)); | |
648 | } | |
273db408 BM |
649 | |
650 | unsigned long ERR_peek_last_error(void) | |
0f113f3e MC |
651 | { |
652 | return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); | |
653 | } | |
273db408 BM |
654 | |
655 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e MC |
656 | { |
657 | return (get_error_values(0, 1, file, line, NULL, NULL)); | |
658 | } | |
273db408 | 659 | |
a14e2d9d | 660 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
661 | const char **data, int *flags) |
662 | { | |
663 | return (get_error_values(0, 1, file, line, data, flags)); | |
664 | } | |
665 | ||
666 | static unsigned long get_error_values(int inc, int top, const char **file, | |
667 | int *line, const char **data, | |
668 | int *flags) | |
669 | { | |
670 | int i = 0; | |
671 | ERR_STATE *es; | |
672 | unsigned long ret; | |
673 | ||
674 | es = ERR_get_state(); | |
675 | ||
676 | if (inc && top) { | |
677 | if (file) | |
678 | *file = ""; | |
679 | if (line) | |
680 | *line = 0; | |
681 | if (data) | |
682 | *data = ""; | |
683 | if (flags) | |
684 | *flags = 0; | |
685 | ||
686 | return ERR_R_INTERNAL_ERROR; | |
687 | } | |
688 | ||
689 | if (es->bottom == es->top) | |
690 | return 0; | |
691 | if (top) | |
692 | i = es->top; /* last error */ | |
693 | else | |
694 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
695 | ||
696 | ret = es->err_buffer[i]; | |
697 | if (inc) { | |
698 | es->bottom = i; | |
699 | es->err_buffer[i] = 0; | |
700 | } | |
701 | ||
702 | if ((file != NULL) && (line != NULL)) { | |
703 | if (es->err_file[i] == NULL) { | |
704 | *file = "NA"; | |
705 | if (line != NULL) | |
706 | *line = 0; | |
707 | } else { | |
708 | *file = es->err_file[i]; | |
709 | if (line != NULL) | |
710 | *line = es->err_line[i]; | |
711 | } | |
712 | } | |
713 | ||
714 | if (data == NULL) { | |
715 | if (inc) { | |
716 | err_clear_data(es, i); | |
717 | } | |
718 | } else { | |
719 | if (es->err_data[i] == NULL) { | |
720 | *data = ""; | |
721 | if (flags != NULL) | |
722 | *flags = 0; | |
723 | } else { | |
724 | *data = es->err_data[i]; | |
725 | if (flags != NULL) | |
726 | *flags = es->err_data_flags[i]; | |
727 | } | |
728 | } | |
729 | return ret; | |
730 | } | |
d02b48c6 | 731 | |
e5c84d51 | 732 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
733 | { |
734 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
735 | const char *ls, *fs, *rs; | |
736 | unsigned long l, f, r; | |
737 | ||
738 | l = ERR_GET_LIB(e); | |
739 | f = ERR_GET_FUNC(e); | |
740 | r = ERR_GET_REASON(e); | |
741 | ||
742 | ls = ERR_lib_error_string(e); | |
743 | fs = ERR_func_error_string(e); | |
744 | rs = ERR_reason_error_string(e); | |
745 | ||
746 | if (ls == NULL) | |
747 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
748 | if (fs == NULL) | |
749 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
750 | if (rs == NULL) | |
751 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
752 | ||
753 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf, | |
754 | fs ? fs : fsbuf, rs ? rs : rsbuf); | |
755 | if (strlen(buf) == len - 1) { | |
756 | /* | |
757 | * output may be truncated; make sure we always have 5 | |
758 | * colon-separated fields, i.e. 4 colons ... | |
759 | */ | |
e5c84d51 | 760 | #define NUM_COLONS 4 |
0f113f3e MC |
761 | if (len > NUM_COLONS) { /* ... if possible */ |
762 | int i; | |
763 | char *s = buf; | |
764 | ||
765 | for (i = 0; i < NUM_COLONS; i++) { | |
766 | char *colon = strchr(s, ':'); | |
767 | if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { | |
768 | /* | |
769 | * set colon no. i at last possible position (buf[len-1] | |
770 | * is the terminating 0) | |
771 | */ | |
772 | colon = &buf[len - 1] - NUM_COLONS + i; | |
773 | *colon = ':'; | |
774 | } | |
775 | s = colon + 1; | |
776 | } | |
777 | } | |
778 | } | |
779 | } | |
e5c84d51 BM |
780 | |
781 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
0f113f3e MC |
782 | /* |
783 | * ERR_error_string_n should be used instead for ret != NULL as | |
784 | * ERR_error_string cannot know how large the buffer is | |
785 | */ | |
e5c84d51 | 786 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
787 | { |
788 | static char buf[256]; | |
e5c84d51 | 789 | |
0f113f3e MC |
790 | if (ret == NULL) |
791 | ret = buf; | |
792 | ERR_error_string_n(e, ret, 256); | |
d02b48c6 | 793 | |
0f113f3e MC |
794 | return ret; |
795 | } | |
d02b48c6 | 796 | |
3c1d6bbc | 797 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
0f113f3e | 798 | { |
3e47caff | 799 | return get_hash(0, 1); |
0f113f3e | 800 | } |
d02b48c6 | 801 | |
3c1d6bbc | 802 | LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void) |
0f113f3e | 803 | { |
3e47caff | 804 | return int_thread_get(0, 1); |
0f113f3e | 805 | } |
d02b48c6 | 806 | |
3c1d6bbc | 807 | void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash) |
0f113f3e | 808 | { |
3e47caff | 809 | int_thread_release(hash); |
0f113f3e | 810 | } |
11171f3c | 811 | |
6b691a5c | 812 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
813 | { |
814 | ERR_STRING_DATA d, *p; | |
815 | unsigned long l; | |
d02b48c6 | 816 | |
0f113f3e MC |
817 | l = ERR_GET_LIB(e); |
818 | d.error = ERR_PACK(l, 0, 0); | |
3e47caff | 819 | p = int_err_get_item(&d); |
0f113f3e MC |
820 | return ((p == NULL) ? NULL : p->string); |
821 | } | |
d02b48c6 | 822 | |
6b691a5c | 823 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
824 | { |
825 | ERR_STRING_DATA d, *p; | |
826 | unsigned long l, f; | |
827 | ||
0f113f3e MC |
828 | l = ERR_GET_LIB(e); |
829 | f = ERR_GET_FUNC(e); | |
830 | d.error = ERR_PACK(l, f, 0); | |
3e47caff | 831 | p = int_err_get_item(&d); |
0f113f3e MC |
832 | return ((p == NULL) ? NULL : p->string); |
833 | } | |
d02b48c6 | 834 | |
6b691a5c | 835 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
836 | { |
837 | ERR_STRING_DATA d, *p = NULL; | |
838 | unsigned long l, r; | |
839 | ||
0f113f3e MC |
840 | l = ERR_GET_LIB(e); |
841 | r = ERR_GET_REASON(e); | |
842 | d.error = ERR_PACK(l, 0, r); | |
3e47caff | 843 | p = int_err_get_item(&d); |
0f113f3e MC |
844 | if (!p) { |
845 | d.error = ERR_PACK(0, 0, r); | |
3e47caff | 846 | p = int_err_get_item(&d); |
0f113f3e MC |
847 | } |
848 | return ((p == NULL) ? NULL : p->string); | |
849 | } | |
d02b48c6 | 850 | |
4c329696 | 851 | void ERR_remove_thread_state(const CRYPTO_THREADID *id) |
0f113f3e MC |
852 | { |
853 | ERR_STATE tmp; | |
854 | ||
855 | if (id) | |
856 | CRYPTO_THREADID_cpy(&tmp.tid, id); | |
857 | else | |
858 | CRYPTO_THREADID_current(&tmp.tid); | |
0f113f3e MC |
859 | /* |
860 | * thread_del_item automatically destroys the LHASH if the number of | |
861 | * items reaches zero. | |
862 | */ | |
3e47caff | 863 | int_thread_del_item(&tmp); |
0f113f3e | 864 | } |
d02b48c6 | 865 | |
4c329696 GT |
866 | #ifndef OPENSSL_NO_DEPRECATED |
867 | void ERR_remove_state(unsigned long pid) | |
0f113f3e MC |
868 | { |
869 | ERR_remove_thread_state(NULL); | |
870 | } | |
4c329696 GT |
871 | #endif |
872 | ||
6b691a5c | 873 | ERR_STATE *ERR_get_state(void) |
0f113f3e MC |
874 | { |
875 | static ERR_STATE fallback; | |
876 | ERR_STATE *ret, tmp, *tmpp = NULL; | |
877 | int i; | |
878 | CRYPTO_THREADID tid; | |
879 | ||
0f113f3e MC |
880 | CRYPTO_THREADID_current(&tid); |
881 | CRYPTO_THREADID_cpy(&tmp.tid, &tid); | |
3e47caff | 882 | ret = int_thread_get_item(&tmp); |
0f113f3e MC |
883 | |
884 | /* ret == the error state, if NULL, make a new one */ | |
885 | if (ret == NULL) { | |
b4faea50 | 886 | ret = OPENSSL_malloc(sizeof(*ret)); |
0f113f3e MC |
887 | if (ret == NULL) |
888 | return (&fallback); | |
889 | CRYPTO_THREADID_cpy(&ret->tid, &tid); | |
890 | ret->top = 0; | |
891 | ret->bottom = 0; | |
892 | for (i = 0; i < ERR_NUM_ERRORS; i++) { | |
893 | ret->err_data[i] = NULL; | |
894 | ret->err_data_flags[i] = 0; | |
895 | } | |
3e47caff | 896 | tmpp = int_thread_set_item(ret); |
0f113f3e | 897 | /* To check if insertion failed, do a get. */ |
3e47caff | 898 | if (int_thread_get_item(ret) != ret) { |
0f113f3e MC |
899 | ERR_STATE_free(ret); /* could not insert it */ |
900 | return (&fallback); | |
901 | } | |
902 | /* | |
903 | * If a race occurred in this function and we came second, tmpp is | |
904 | * the first one that we just replaced. | |
905 | */ | |
efa7dd64 | 906 | ERR_STATE_free(tmpp); |
0f113f3e MC |
907 | } |
908 | return ret; | |
909 | } | |
d02b48c6 | 910 | |
6b691a5c | 911 | int ERR_get_next_error_library(void) |
0f113f3e | 912 | { |
3e47caff RS |
913 | int ret; |
914 | ||
915 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
916 | ret = int_err_library_number++; | |
917 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
918 | return ret; | |
0f113f3e | 919 | } |
58964a49 | 920 | |
6b691a5c | 921 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
922 | { |
923 | ERR_STATE *es; | |
924 | int i; | |
58964a49 | 925 | |
0f113f3e | 926 | es = ERR_get_state(); |
58964a49 | 927 | |
0f113f3e MC |
928 | i = es->top; |
929 | if (i == 0) | |
930 | i = ERR_NUM_ERRORS - 1; | |
58964a49 | 931 | |
0f113f3e MC |
932 | err_clear_data(es, i); |
933 | es->err_data[i] = data; | |
934 | es->err_data_flags[i] = flags; | |
935 | } | |
58964a49 | 936 | |
4565c3e3 | 937 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
938 | { |
939 | va_list args; | |
940 | va_start(args, num); | |
941 | ERR_add_error_vdata(num, args); | |
942 | va_end(args); | |
943 | } | |
78c45722 DSH |
944 | |
945 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
946 | { |
947 | int i, n, s; | |
948 | char *str, *p, *a; | |
949 | ||
950 | s = 80; | |
951 | str = OPENSSL_malloc(s + 1); | |
952 | if (str == NULL) | |
953 | return; | |
954 | str[0] = '\0'; | |
955 | ||
956 | n = 0; | |
957 | for (i = 0; i < num; i++) { | |
958 | a = va_arg(args, char *); | |
959 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ | |
960 | if (a != NULL) { | |
961 | n += strlen(a); | |
962 | if (n > s) { | |
963 | s = n + 20; | |
964 | p = OPENSSL_realloc(str, s + 1); | |
965 | if (p == NULL) { | |
966 | OPENSSL_free(str); | |
967 | return; | |
2d29e2df RS |
968 | } |
969 | str = p; | |
0f113f3e | 970 | } |
7644a9ae | 971 | OPENSSL_strlcat(str, a, (size_t)s + 1); |
0f113f3e MC |
972 | } |
973 | } | |
974 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
975 | } | |
54f64516 RL |
976 | |
977 | int ERR_set_mark(void) | |
0f113f3e MC |
978 | { |
979 | ERR_STATE *es; | |
54f64516 | 980 | |
0f113f3e | 981 | es = ERR_get_state(); |
54f64516 | 982 | |
0f113f3e MC |
983 | if (es->bottom == es->top) |
984 | return 0; | |
985 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
986 | return 1; | |
987 | } | |
54f64516 RL |
988 | |
989 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
990 | { |
991 | ERR_STATE *es; | |
992 | ||
993 | es = ERR_get_state(); | |
994 | ||
995 | while (es->bottom != es->top | |
996 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
997 | err_clear(es, es->top); | |
998 | es->top -= 1; | |
999 | if (es->top == -1) | |
1000 | es->top = ERR_NUM_ERRORS - 1; | |
1001 | } | |
1002 | ||
1003 | if (es->bottom == es->top) | |
1004 | return 0; | |
1005 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
1006 | return 1; | |
1007 | } |