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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
0a150c5c | 57 | /* ==================================================================== |
48fc582f | 58 | * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
0a150c5c BM |
59 | * |
60 | * Redistribution and use in source and binary forms, with or without | |
61 | * modification, are permitted provided that the following conditions | |
62 | * are met: | |
63 | * | |
64 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 65 | * notice, this list of conditions and the following disclaimer. |
0a150c5c BM |
66 | * |
67 | * 2. Redistributions in binary form must reproduce the above copyright | |
68 | * notice, this list of conditions and the following disclaimer in | |
69 | * the documentation and/or other materials provided with the | |
70 | * distribution. | |
71 | * | |
72 | * 3. All advertising materials mentioning features or use of this | |
73 | * software must display the following acknowledgment: | |
74 | * "This product includes software developed by the OpenSSL Project | |
75 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
76 | * | |
77 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
78 | * endorse or promote products derived from this software without | |
79 | * prior written permission. For written permission, please contact | |
80 | * openssl-core@openssl.org. | |
81 | * | |
82 | * 5. Products derived from this software may not be called "OpenSSL" | |
83 | * nor may "OpenSSL" appear in their names without prior written | |
84 | * permission of the OpenSSL Project. | |
85 | * | |
86 | * 6. Redistributions of any form whatsoever must retain the following | |
87 | * acknowledgment: | |
88 | * "This product includes software developed by the OpenSSL Project | |
89 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
90 | * | |
91 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
92 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
93 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
94 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
95 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
96 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
97 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
98 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
99 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
100 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
101 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
102 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
103 | * ==================================================================== | |
104 | * | |
105 | * This product includes cryptographic software written by Eric Young | |
106 | * (eay@cryptsoft.com). This product includes software written by Tim | |
107 | * Hudson (tjh@cryptsoft.com). | |
108 | * | |
109 | */ | |
d02b48c6 RE |
110 | |
111 | #include <stdio.h> | |
4565c3e3 | 112 | #include <stdarg.h> |
0a150c5c | 113 | #include <string.h> |
7b9f8f7f | 114 | #include <internal/cryptlib_int.h> |
8509dcc9 | 115 | #include <internal/threads.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> |
98186eb4 | 121 | #include <openssl/opensslconf.h> |
3c1d6bbc | 122 | |
cf5bfbfc BM |
123 | static void err_load_strings(int lib, ERR_STRING_DATA *str); |
124 | ||
58964a49 | 125 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 126 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
127 | static ERR_STRING_DATA ERR_str_libraries[] = { |
128 | {ERR_PACK(ERR_LIB_NONE, 0, 0), "unknown library"}, | |
129 | {ERR_PACK(ERR_LIB_SYS, 0, 0), "system library"}, | |
130 | {ERR_PACK(ERR_LIB_BN, 0, 0), "bignum routines"}, | |
131 | {ERR_PACK(ERR_LIB_RSA, 0, 0), "rsa routines"}, | |
132 | {ERR_PACK(ERR_LIB_DH, 0, 0), "Diffie-Hellman routines"}, | |
133 | {ERR_PACK(ERR_LIB_EVP, 0, 0), "digital envelope routines"}, | |
134 | {ERR_PACK(ERR_LIB_BUF, 0, 0), "memory buffer routines"}, | |
135 | {ERR_PACK(ERR_LIB_OBJ, 0, 0), "object identifier routines"}, | |
136 | {ERR_PACK(ERR_LIB_PEM, 0, 0), "PEM routines"}, | |
137 | {ERR_PACK(ERR_LIB_DSA, 0, 0), "dsa routines"}, | |
138 | {ERR_PACK(ERR_LIB_X509, 0, 0), "x509 certificate routines"}, | |
139 | {ERR_PACK(ERR_LIB_ASN1, 0, 0), "asn1 encoding routines"}, | |
140 | {ERR_PACK(ERR_LIB_CONF, 0, 0), "configuration file routines"}, | |
141 | {ERR_PACK(ERR_LIB_CRYPTO, 0, 0), "common libcrypto routines"}, | |
142 | {ERR_PACK(ERR_LIB_EC, 0, 0), "elliptic curve routines"}, | |
143 | {ERR_PACK(ERR_LIB_ECDSA, 0, 0), "ECDSA routines"}, | |
144 | {ERR_PACK(ERR_LIB_ECDH, 0, 0), "ECDH routines"}, | |
145 | {ERR_PACK(ERR_LIB_SSL, 0, 0), "SSL routines"}, | |
146 | {ERR_PACK(ERR_LIB_BIO, 0, 0), "BIO routines"}, | |
147 | {ERR_PACK(ERR_LIB_PKCS7, 0, 0), "PKCS7 routines"}, | |
148 | {ERR_PACK(ERR_LIB_X509V3, 0, 0), "X509 V3 routines"}, | |
149 | {ERR_PACK(ERR_LIB_PKCS12, 0, 0), "PKCS12 routines"}, | |
150 | {ERR_PACK(ERR_LIB_RAND, 0, 0), "random number generator"}, | |
151 | {ERR_PACK(ERR_LIB_DSO, 0, 0), "DSO support routines"}, | |
152 | {ERR_PACK(ERR_LIB_TS, 0, 0), "time stamp routines"}, | |
153 | {ERR_PACK(ERR_LIB_ENGINE, 0, 0), "engine routines"}, | |
154 | {ERR_PACK(ERR_LIB_OCSP, 0, 0), "OCSP routines"}, | |
155 | {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"}, | |
156 | {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"}, | |
157 | {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"}, | |
0cea8832 | 158 | {ERR_PACK(ERR_LIB_CT, 0, 0), "CT routines"}, |
079a1a90 | 159 | {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"}, |
3e30fa0a | 160 | {ERR_PACK(ERR_LIB_KDF, 0, 0), "KDF 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"}, | |
83be2778 RL |
178 | {ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"}, |
179 | {ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"}, | |
d33b215b RL |
180 | {ERR_PACK(0, SYS_F_SETSOCKOPT, 0), "setsockopt"}, |
181 | {ERR_PACK(0, SYS_F_GETSOCKOPT, 0), "getsockopt"}, | |
182 | {ERR_PACK(0, SYS_F_GETSOCKNAME, 0), "getsockname"}, | |
c86d1f19 | 183 | {ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"}, |
0f113f3e MC |
184 | {0, NULL}, |
185 | }; | |
186 | ||
187 | static ERR_STRING_DATA ERR_str_reasons[] = { | |
188 | {ERR_R_SYS_LIB, "system lib"}, | |
189 | {ERR_R_BN_LIB, "BN lib"}, | |
190 | {ERR_R_RSA_LIB, "RSA lib"}, | |
191 | {ERR_R_DH_LIB, "DH lib"}, | |
192 | {ERR_R_EVP_LIB, "EVP lib"}, | |
193 | {ERR_R_BUF_LIB, "BUF lib"}, | |
194 | {ERR_R_OBJ_LIB, "OBJ lib"}, | |
195 | {ERR_R_PEM_LIB, "PEM lib"}, | |
196 | {ERR_R_DSA_LIB, "DSA lib"}, | |
197 | {ERR_R_X509_LIB, "X509 lib"}, | |
198 | {ERR_R_ASN1_LIB, "ASN1 lib"}, | |
199 | {ERR_R_CONF_LIB, "CONF lib"}, | |
200 | {ERR_R_CRYPTO_LIB, "CRYPTO lib"}, | |
201 | {ERR_R_EC_LIB, "EC lib"}, | |
202 | {ERR_R_SSL_LIB, "SSL lib"}, | |
203 | {ERR_R_BIO_LIB, "BIO lib"}, | |
204 | {ERR_R_PKCS7_LIB, "PKCS7 lib"}, | |
205 | {ERR_R_X509V3_LIB, "X509V3 lib"}, | |
206 | {ERR_R_PKCS12_LIB, "PKCS12 lib"}, | |
207 | {ERR_R_RAND_LIB, "RAND lib"}, | |
208 | {ERR_R_DSO_LIB, "DSO lib"}, | |
209 | {ERR_R_ENGINE_LIB, "ENGINE lib"}, | |
210 | {ERR_R_OCSP_LIB, "OCSP lib"}, | |
211 | {ERR_R_TS_LIB, "TS lib"}, | |
212 | {ERR_R_ECDSA_LIB, "ECDSA lib"}, | |
213 | ||
214 | {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, | |
215 | {ERR_R_BAD_ASN1_OBJECT_HEADER, "bad asn1 object header"}, | |
216 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL, "bad get asn1 object call"}, | |
217 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE, "expecting an asn1 sequence"}, | |
218 | {ERR_R_ASN1_LENGTH_MISMATCH, "asn1 length mismatch"}, | |
219 | {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, | |
220 | ||
221 | {ERR_R_FATAL, "fatal"}, | |
222 | {ERR_R_MALLOC_FAILURE, "malloc failure"}, | |
223 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, | |
224 | "called a function you should not call"}, | |
225 | {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, | |
226 | {ERR_R_INTERNAL_ERROR, "internal error"}, | |
227 | {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, | |
302f7588 | 228 | {ERR_R_INIT_FAIL, "init fail"}, |
0f113f3e MC |
229 | |
230 | {0, NULL}, | |
231 | }; | |
d02b48c6 | 232 | #endif |
0a150c5c | 233 | |
8509dcc9 AG |
234 | static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT; |
235 | static CRYPTO_THREAD_LOCAL err_thread_local; | |
236 | ||
566bdf2b | 237 | /* Predeclarations of the "err_defaults" functions */ |
3e47caff | 238 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit); |
566bdf2b | 239 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); |
566bdf2b | 240 | |
0f113f3e | 241 | /* |
3e47caff | 242 | * The internal state |
0f113f3e | 243 | */ |
f3f1cf84 | 244 | |
3c1d6bbc | 245 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
0f113f3e | 246 | static int int_err_library_number = ERR_LIB_USER; |
566bdf2b | 247 | |
0f113f3e MC |
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 | |
3c1d6bbc | 261 | static int err_string_data_cmp(const ERR_STRING_DATA *a, |
0f113f3e MC |
262 | const ERR_STRING_DATA *b) |
263 | { | |
264 | return (int)(a->error - b->error); | |
265 | } | |
266 | ||
3e47caff | 267 | static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit) |
0f113f3e MC |
268 | { |
269 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
270 | ||
3e47caff RS |
271 | if (lockit) |
272 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
0f113f3e | 273 | if (!int_error_hash && create) { |
62d0577e DSH |
274 | int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash, |
275 | err_string_data_cmp); | |
0f113f3e | 276 | } |
90945fa3 | 277 | if (int_error_hash != NULL) |
0f113f3e | 278 | ret = int_error_hash; |
3e47caff RS |
279 | if (lockit) |
280 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
0f113f3e MC |
281 | |
282 | return ret; | |
283 | } | |
567fef89 | 284 | |
566bdf2b | 285 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
0f113f3e | 286 | { |
3e47caff | 287 | ERR_STRING_DATA *p = NULL; |
0f113f3e | 288 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 289 | |
0f113f3e | 290 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3e47caff RS |
291 | hash = get_hash(0, 0); |
292 | if (hash) | |
293 | p = lh_ERR_STRING_DATA_retrieve(hash, d); | |
0f113f3e | 294 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 295 | |
0f113f3e MC |
296 | return p; |
297 | } | |
567fef89 | 298 | |
758f942b | 299 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
300 | # define NUM_SYS_STR_REASONS 127 |
301 | # define LEN_SYS_STR_REASON 32 | |
0a150c5c BM |
302 | |
303 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
0f113f3e MC |
304 | /* |
305 | * SYS_str_reasons is filled with copies of strerror() results at | |
306 | * initialization. 'errno' values up to 127 should cover all usual errors, | |
307 | * others will be displayed numerically by ERR_error_string. It is crucial | |
308 | * that we have something for each reason code that occurs in | |
309 | * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(), | |
310 | * which always gets an errno value and never one of those 'standard' reason | |
311 | * codes. | |
312 | */ | |
0a150c5c | 313 | |
41a15c4f | 314 | static void build_SYS_str_reasons(void) |
0f113f3e MC |
315 | { |
316 | /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
317 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
0f113f3e | 318 | static int init = 1; |
3e47caff | 319 | int i; |
0f113f3e MC |
320 | |
321 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); | |
322 | if (!init) { | |
323 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
324 | return; | |
325 | } | |
326 | ||
327 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
328 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
329 | if (!init) { | |
330 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
331 | return; | |
332 | } | |
333 | ||
334 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) { | |
335 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
336 | ||
337 | str->error = (unsigned long)i; | |
338 | if (str->string == NULL) { | |
339 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
340 | char *src = strerror(i); | |
341 | if (src != NULL) { | |
b4faea50 RS |
342 | strncpy(*dest, src, sizeof(*dest)); |
343 | (*dest)[sizeof(*dest) - 1] = '\0'; | |
0f113f3e MC |
344 | str->string = *dest; |
345 | } | |
346 | } | |
347 | if (str->string == NULL) | |
348 | str->string = "unknown"; | |
349 | } | |
350 | ||
351 | /* | |
352 | * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as | |
353 | * required by ERR_load_strings. | |
354 | */ | |
355 | ||
356 | init = 0; | |
357 | ||
358 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
359 | } | |
d02b48c6 RE |
360 | #endif |
361 | ||
58964a49 | 362 | #define err_clear_data(p,i) \ |
0f113f3e | 363 | do { \ |
b548a1f1 | 364 | if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ |
0f113f3e MC |
365 | { \ |
366 | OPENSSL_free((p)->err_data[i]); \ | |
367 | (p)->err_data[i]=NULL; \ | |
368 | } \ | |
369 | (p)->err_data_flags[i]=0; \ | |
370 | } while(0) | |
54f64516 RL |
371 | |
372 | #define err_clear(p,i) \ | |
0f113f3e MC |
373 | do { \ |
374 | (p)->err_flags[i]=0; \ | |
375 | (p)->err_buffer[i]=0; \ | |
376 | err_clear_data(p,i); \ | |
377 | (p)->err_file[i]=NULL; \ | |
378 | (p)->err_line[i]= -1; \ | |
379 | } while(0) | |
58964a49 | 380 | |
6b691a5c | 381 | static void ERR_STATE_free(ERR_STATE *s) |
0f113f3e MC |
382 | { |
383 | int i; | |
58964a49 | 384 | |
0f113f3e MC |
385 | if (s == NULL) |
386 | return; | |
e03ddfae | 387 | |
0f113f3e MC |
388 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
389 | err_clear_data(s, i); | |
390 | } | |
391 | OPENSSL_free(s); | |
392 | } | |
58964a49 | 393 | |
6b691a5c | 394 | void ERR_load_ERR_strings(void) |
0f113f3e | 395 | { |
cf1b7d96 | 396 | #ifndef OPENSSL_NO_ERR |
0f113f3e MC |
397 | err_load_strings(0, ERR_str_libraries); |
398 | err_load_strings(0, ERR_str_reasons); | |
399 | err_load_strings(ERR_LIB_SYS, ERR_str_functs); | |
400 | build_SYS_str_reasons(); | |
401 | err_load_strings(ERR_LIB_SYS, SYS_str_reasons); | |
d02b48c6 | 402 | #endif |
0f113f3e | 403 | } |
d02b48c6 | 404 | |
cf5bfbfc | 405 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 406 | { |
3e47caff RS |
407 | LHASH_OF(ERR_STRING_DATA) *hash; |
408 | ||
409 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
410 | hash = get_hash(1, 0); | |
411 | if (hash) { | |
412 | for (; str->error; str++) { | |
413 | if (lib) | |
414 | str->error |= ERR_PACK(lib, 0, 0); | |
415 | (void)lh_ERR_STRING_DATA_insert(hash, str); | |
416 | } | |
0f113f3e | 417 | } |
3e47caff | 418 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0f113f3e | 419 | } |
d02b48c6 | 420 | |
cf5bfbfc | 421 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e MC |
422 | { |
423 | ERR_load_ERR_strings(); | |
424 | err_load_strings(lib, str); | |
425 | } | |
cf5bfbfc | 426 | |
1738bb61 | 427 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
0f113f3e | 428 | { |
3e47caff RS |
429 | LHASH_OF(ERR_STRING_DATA) *hash; |
430 | ||
431 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
432 | hash = get_hash(0, 0); | |
433 | if (hash) { | |
434 | for (; str->error; str++) { | |
435 | if (lib) | |
436 | str->error |= ERR_PACK(lib, 0, 0); | |
437 | (void)lh_ERR_STRING_DATA_delete(hash, str); | |
438 | } | |
0f113f3e | 439 | } |
3e47caff | 440 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0f113f3e | 441 | } |
1738bb61 | 442 | |
6b691a5c | 443 | void ERR_free_strings(void) |
0f113f3e | 444 | { |
3e47caff | 445 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
25aaa98a RS |
446 | lh_ERR_STRING_DATA_free(int_error_hash); |
447 | int_error_hash = NULL; | |
3e47caff | 448 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0f113f3e | 449 | } |
d02b48c6 | 450 | |
58964a49 RE |
451 | /********************************************************/ |
452 | ||
0f113f3e MC |
453 | void ERR_put_error(int lib, int func, int reason, const char *file, int line) |
454 | { | |
455 | ERR_STATE *es; | |
d02b48c6 | 456 | |
a53955d8 | 457 | #ifdef _OSD_POSIX |
0f113f3e MC |
458 | /* |
459 | * In the BS2000-OSD POSIX subsystem, the compiler generates path names | |
460 | * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to | |
461 | * something sensible. @@@ We shouldn't modify a const string, though. | |
462 | */ | |
463 | if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) { | |
464 | char *end; | |
465 | ||
466 | /* Skip the "*POSIX(" prefix */ | |
467 | file += sizeof("*POSIX(") - 1; | |
468 | end = &file[strlen(file) - 1]; | |
469 | if (*end == ')') | |
470 | *end = '\0'; | |
471 | /* Optional: use the basename of the path only. */ | |
472 | if ((end = strrchr(file, '/')) != NULL) | |
473 | file = &end[1]; | |
474 | } | |
a53955d8 | 475 | #endif |
0f113f3e MC |
476 | es = ERR_get_state(); |
477 | ||
478 | es->top = (es->top + 1) % ERR_NUM_ERRORS; | |
479 | if (es->top == es->bottom) | |
480 | es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; | |
481 | es->err_flags[es->top] = 0; | |
482 | es->err_buffer[es->top] = ERR_PACK(lib, func, reason); | |
483 | es->err_file[es->top] = file; | |
484 | es->err_line[es->top] = line; | |
485 | err_clear_data(es, es->top); | |
486 | } | |
d02b48c6 | 487 | |
6b691a5c | 488 | void ERR_clear_error(void) |
0f113f3e MC |
489 | { |
490 | int i; | |
491 | ERR_STATE *es; | |
d02b48c6 | 492 | |
0f113f3e | 493 | es = ERR_get_state(); |
d02b48c6 | 494 | |
0f113f3e MC |
495 | for (i = 0; i < ERR_NUM_ERRORS; i++) { |
496 | err_clear(es, i); | |
497 | } | |
498 | es->top = es->bottom = 0; | |
499 | } | |
d02b48c6 | 500 | |
6b691a5c | 501 | unsigned long ERR_get_error(void) |
0f113f3e MC |
502 | { |
503 | return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); | |
504 | } | |
d02b48c6 | 505 | |
0f113f3e MC |
506 | unsigned long ERR_get_error_line(const char **file, int *line) |
507 | { | |
508 | return (get_error_values(1, 0, file, line, NULL, NULL)); | |
509 | } | |
d02b48c6 | 510 | |
6b691a5c | 511 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
0f113f3e MC |
512 | const char **data, int *flags) |
513 | { | |
514 | return (get_error_values(1, 0, file, line, data, flags)); | |
515 | } | |
273db408 | 516 | |
6b691a5c | 517 | unsigned long ERR_peek_error(void) |
0f113f3e MC |
518 | { |
519 | return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); | |
520 | } | |
d02b48c6 | 521 | |
a14e2d9d | 522 | unsigned long ERR_peek_error_line(const char **file, int *line) |
0f113f3e MC |
523 | { |
524 | return (get_error_values(0, 0, file, line, NULL, NULL)); | |
525 | } | |
0fc5cf08 | 526 | |
6b691a5c | 527 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
0f113f3e MC |
528 | const char **data, int *flags) |
529 | { | |
530 | return (get_error_values(0, 0, file, line, data, flags)); | |
531 | } | |
273db408 BM |
532 | |
533 | unsigned long ERR_peek_last_error(void) | |
0f113f3e MC |
534 | { |
535 | return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); | |
536 | } | |
273db408 BM |
537 | |
538 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
0f113f3e MC |
539 | { |
540 | return (get_error_values(0, 1, file, line, NULL, NULL)); | |
541 | } | |
273db408 | 542 | |
a14e2d9d | 543 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
0f113f3e MC |
544 | const char **data, int *flags) |
545 | { | |
546 | return (get_error_values(0, 1, file, line, data, flags)); | |
547 | } | |
548 | ||
549 | static unsigned long get_error_values(int inc, int top, const char **file, | |
550 | int *line, const char **data, | |
551 | int *flags) | |
552 | { | |
553 | int i = 0; | |
554 | ERR_STATE *es; | |
555 | unsigned long ret; | |
556 | ||
557 | es = ERR_get_state(); | |
558 | ||
559 | if (inc && top) { | |
560 | if (file) | |
561 | *file = ""; | |
562 | if (line) | |
563 | *line = 0; | |
564 | if (data) | |
565 | *data = ""; | |
566 | if (flags) | |
567 | *flags = 0; | |
568 | ||
569 | return ERR_R_INTERNAL_ERROR; | |
570 | } | |
571 | ||
572 | if (es->bottom == es->top) | |
573 | return 0; | |
574 | if (top) | |
575 | i = es->top; /* last error */ | |
576 | else | |
577 | i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ | |
578 | ||
579 | ret = es->err_buffer[i]; | |
580 | if (inc) { | |
581 | es->bottom = i; | |
582 | es->err_buffer[i] = 0; | |
583 | } | |
584 | ||
585 | if ((file != NULL) && (line != NULL)) { | |
586 | if (es->err_file[i] == NULL) { | |
587 | *file = "NA"; | |
588 | if (line != NULL) | |
589 | *line = 0; | |
590 | } else { | |
591 | *file = es->err_file[i]; | |
592 | if (line != NULL) | |
593 | *line = es->err_line[i]; | |
594 | } | |
595 | } | |
596 | ||
597 | if (data == NULL) { | |
598 | if (inc) { | |
599 | err_clear_data(es, i); | |
600 | } | |
601 | } else { | |
602 | if (es->err_data[i] == NULL) { | |
603 | *data = ""; | |
604 | if (flags != NULL) | |
605 | *flags = 0; | |
606 | } else { | |
607 | *data = es->err_data[i]; | |
608 | if (flags != NULL) | |
609 | *flags = es->err_data_flags[i]; | |
610 | } | |
611 | } | |
612 | return ret; | |
613 | } | |
d02b48c6 | 614 | |
e5c84d51 | 615 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
0f113f3e MC |
616 | { |
617 | char lsbuf[64], fsbuf[64], rsbuf[64]; | |
618 | const char *ls, *fs, *rs; | |
619 | unsigned long l, f, r; | |
620 | ||
621 | l = ERR_GET_LIB(e); | |
622 | f = ERR_GET_FUNC(e); | |
623 | r = ERR_GET_REASON(e); | |
624 | ||
625 | ls = ERR_lib_error_string(e); | |
626 | fs = ERR_func_error_string(e); | |
627 | rs = ERR_reason_error_string(e); | |
628 | ||
629 | if (ls == NULL) | |
630 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
631 | if (fs == NULL) | |
632 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
633 | if (rs == NULL) | |
634 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
635 | ||
636 | BIO_snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls ? ls : lsbuf, | |
637 | fs ? fs : fsbuf, rs ? rs : rsbuf); | |
638 | if (strlen(buf) == len - 1) { | |
639 | /* | |
640 | * output may be truncated; make sure we always have 5 | |
641 | * colon-separated fields, i.e. 4 colons ... | |
642 | */ | |
e5c84d51 | 643 | #define NUM_COLONS 4 |
0f113f3e MC |
644 | if (len > NUM_COLONS) { /* ... if possible */ |
645 | int i; | |
646 | char *s = buf; | |
647 | ||
648 | for (i = 0; i < NUM_COLONS; i++) { | |
649 | char *colon = strchr(s, ':'); | |
650 | if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { | |
651 | /* | |
652 | * set colon no. i at last possible position (buf[len-1] | |
653 | * is the terminating 0) | |
654 | */ | |
655 | colon = &buf[len - 1] - NUM_COLONS + i; | |
656 | *colon = ':'; | |
657 | } | |
658 | s = colon + 1; | |
659 | } | |
660 | } | |
661 | } | |
662 | } | |
e5c84d51 | 663 | |
0f113f3e MC |
664 | /* |
665 | * ERR_error_string_n should be used instead for ret != NULL as | |
666 | * ERR_error_string cannot know how large the buffer is | |
667 | */ | |
e5c84d51 | 668 | char *ERR_error_string(unsigned long e, char *ret) |
0f113f3e MC |
669 | { |
670 | static char buf[256]; | |
e5c84d51 | 671 | |
0f113f3e MC |
672 | if (ret == NULL) |
673 | ret = buf; | |
674 | ERR_error_string_n(e, ret, 256); | |
d02b48c6 | 675 | |
0f113f3e MC |
676 | return ret; |
677 | } | |
d02b48c6 | 678 | |
3c1d6bbc | 679 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
0f113f3e | 680 | { |
3e47caff | 681 | return get_hash(0, 1); |
0f113f3e | 682 | } |
d02b48c6 | 683 | |
6b691a5c | 684 | const char *ERR_lib_error_string(unsigned long e) |
0f113f3e MC |
685 | { |
686 | ERR_STRING_DATA d, *p; | |
687 | unsigned long l; | |
d02b48c6 | 688 | |
0f113f3e MC |
689 | l = ERR_GET_LIB(e); |
690 | d.error = ERR_PACK(l, 0, 0); | |
3e47caff | 691 | p = int_err_get_item(&d); |
0f113f3e MC |
692 | return ((p == NULL) ? NULL : p->string); |
693 | } | |
d02b48c6 | 694 | |
6b691a5c | 695 | const char *ERR_func_error_string(unsigned long e) |
0f113f3e MC |
696 | { |
697 | ERR_STRING_DATA d, *p; | |
698 | unsigned long l, f; | |
699 | ||
0f113f3e MC |
700 | l = ERR_GET_LIB(e); |
701 | f = ERR_GET_FUNC(e); | |
702 | d.error = ERR_PACK(l, f, 0); | |
3e47caff | 703 | p = int_err_get_item(&d); |
0f113f3e MC |
704 | return ((p == NULL) ? NULL : p->string); |
705 | } | |
d02b48c6 | 706 | |
6b691a5c | 707 | const char *ERR_reason_error_string(unsigned long e) |
0f113f3e MC |
708 | { |
709 | ERR_STRING_DATA d, *p = NULL; | |
710 | unsigned long l, r; | |
711 | ||
0f113f3e MC |
712 | l = ERR_GET_LIB(e); |
713 | r = ERR_GET_REASON(e); | |
714 | d.error = ERR_PACK(l, 0, r); | |
3e47caff | 715 | p = int_err_get_item(&d); |
0f113f3e MC |
716 | if (!p) { |
717 | d.error = ERR_PACK(0, 0, r); | |
3e47caff | 718 | p = int_err_get_item(&d); |
0f113f3e MC |
719 | } |
720 | return ((p == NULL) ? NULL : p->string); | |
721 | } | |
d02b48c6 | 722 | |
8509dcc9 | 723 | void ERR_remove_thread_state(void) |
0f113f3e | 724 | { |
8509dcc9 AG |
725 | ERR_STATE *state = ERR_get_state(); |
726 | if (state == NULL) | |
727 | return; | |
0f113f3e | 728 | |
8509dcc9 AG |
729 | CRYPTO_THREAD_set_local(&err_thread_local, NULL); |
730 | ERR_STATE_free(state); | |
0f113f3e | 731 | } |
d02b48c6 | 732 | |
98186eb4 | 733 | #if OPENSSL_API_COMPAT < 0x10000000L |
4c329696 | 734 | void ERR_remove_state(unsigned long pid) |
0f113f3e | 735 | { |
8509dcc9 | 736 | ERR_remove_thread_state(); |
0f113f3e | 737 | } |
4c329696 GT |
738 | #endif |
739 | ||
8509dcc9 AG |
740 | static void err_do_init(void) |
741 | { | |
742 | CRYPTO_THREAD_init_local(&err_thread_local, NULL); | |
743 | } | |
744 | ||
6b691a5c | 745 | ERR_STATE *ERR_get_state(void) |
0f113f3e | 746 | { |
8509dcc9 AG |
747 | ERR_STATE *state = NULL; |
748 | ||
749 | CRYPTO_THREAD_run_once(&err_init, err_do_init); | |
750 | ||
751 | state = CRYPTO_THREAD_get_local(&err_thread_local); | |
752 | ||
753 | if (state == NULL) { | |
754 | state = OPENSSL_zalloc(sizeof(*state)); | |
755 | if (state == NULL) | |
756 | return NULL; | |
757 | ||
758 | if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) { | |
759 | ERR_STATE_free(state); | |
760 | return NULL; | |
0f113f3e | 761 | } |
0fc32b07 MC |
762 | |
763 | /* Ignore failures from these */ | |
f672aee4 | 764 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); |
7b9f8f7f | 765 | ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE); |
0f113f3e | 766 | } |
8509dcc9 AG |
767 | |
768 | return state; | |
0f113f3e | 769 | } |
d02b48c6 | 770 | |
6b691a5c | 771 | int ERR_get_next_error_library(void) |
0f113f3e | 772 | { |
3e47caff RS |
773 | int ret; |
774 | ||
775 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
776 | ret = int_err_library_number++; | |
777 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
778 | return ret; | |
0f113f3e | 779 | } |
58964a49 | 780 | |
6b691a5c | 781 | void ERR_set_error_data(char *data, int flags) |
0f113f3e MC |
782 | { |
783 | ERR_STATE *es; | |
784 | int i; | |
58964a49 | 785 | |
0f113f3e | 786 | es = ERR_get_state(); |
58964a49 | 787 | |
0f113f3e MC |
788 | i = es->top; |
789 | if (i == 0) | |
790 | i = ERR_NUM_ERRORS - 1; | |
58964a49 | 791 | |
0f113f3e MC |
792 | err_clear_data(es, i); |
793 | es->err_data[i] = data; | |
794 | es->err_data_flags[i] = flags; | |
795 | } | |
58964a49 | 796 | |
4565c3e3 | 797 | void ERR_add_error_data(int num, ...) |
0f113f3e MC |
798 | { |
799 | va_list args; | |
800 | va_start(args, num); | |
801 | ERR_add_error_vdata(num, args); | |
802 | va_end(args); | |
803 | } | |
78c45722 DSH |
804 | |
805 | void ERR_add_error_vdata(int num, va_list args) | |
0f113f3e MC |
806 | { |
807 | int i, n, s; | |
808 | char *str, *p, *a; | |
809 | ||
810 | s = 80; | |
811 | str = OPENSSL_malloc(s + 1); | |
812 | if (str == NULL) | |
813 | return; | |
814 | str[0] = '\0'; | |
815 | ||
816 | n = 0; | |
817 | for (i = 0; i < num; i++) { | |
818 | a = va_arg(args, char *); | |
819 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ | |
820 | if (a != NULL) { | |
821 | n += strlen(a); | |
822 | if (n > s) { | |
823 | s = n + 20; | |
824 | p = OPENSSL_realloc(str, s + 1); | |
825 | if (p == NULL) { | |
826 | OPENSSL_free(str); | |
827 | return; | |
2d29e2df RS |
828 | } |
829 | str = p; | |
0f113f3e | 830 | } |
7644a9ae | 831 | OPENSSL_strlcat(str, a, (size_t)s + 1); |
0f113f3e MC |
832 | } |
833 | } | |
834 | ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING); | |
835 | } | |
54f64516 RL |
836 | |
837 | int ERR_set_mark(void) | |
0f113f3e MC |
838 | { |
839 | ERR_STATE *es; | |
54f64516 | 840 | |
0f113f3e | 841 | es = ERR_get_state(); |
54f64516 | 842 | |
0f113f3e MC |
843 | if (es->bottom == es->top) |
844 | return 0; | |
845 | es->err_flags[es->top] |= ERR_FLAG_MARK; | |
846 | return 1; | |
847 | } | |
54f64516 RL |
848 | |
849 | int ERR_pop_to_mark(void) | |
0f113f3e MC |
850 | { |
851 | ERR_STATE *es; | |
852 | ||
853 | es = ERR_get_state(); | |
854 | ||
855 | while (es->bottom != es->top | |
856 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { | |
857 | err_clear(es, es->top); | |
858 | es->top -= 1; | |
859 | if (es->top == -1) | |
860 | es->top = ERR_NUM_ERRORS - 1; | |
861 | } | |
862 | ||
863 | if (es->bottom == es->top) | |
864 | return 0; | |
865 | es->err_flags[es->top] &= ~ERR_FLAG_MARK; | |
866 | return 1; | |
867 | } |