1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
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 :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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
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.]
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
114 #include <internal/cryptlib_int.h>
115 #include <internal/threads.h>
116 #include <openssl/lhash.h>
117 #include <openssl/crypto.h>
118 #include <openssl/buffer.h>
119 #include <openssl/bio.h>
120 #include <openssl/err.h>
121 #include <openssl/opensslconf.h>
123 static void err_load_strings(int lib, ERR_STRING_DATA *str);
125 static void ERR_STATE_free(ERR_STATE *s);
126 #ifndef OPENSSL_NO_ERR
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"},
158 {ERR_PACK(ERR_LIB_CT, 0, 0), "CT routines"},
159 {ERR_PACK(ERR_LIB_ASYNC, 0, 0), "ASYNC routines"},
160 {ERR_PACK(ERR_LIB_KDF, 0, 0), "KDF routines"},
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"},
176 {ERR_PACK(0, SYS_F_OPENDIR, 0), "opendir"},
177 {ERR_PACK(0, SYS_F_FREAD, 0), "fread"},
178 {ERR_PACK(0, SYS_F_GETADDRINFO, 0), "getaddrinfo"},
179 {ERR_PACK(0, SYS_F_GETNAMEINFO, 0), "getnameinfo"},
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"},
183 {ERR_PACK(0, SYS_F_GETHOSTBYNAME, 0), "gethostbyname"},
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"},
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"},
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"},
228 {ERR_R_INIT_FAIL, "init fail"},
234 static CRYPTO_ONCE err_init = CRYPTO_ONCE_STATIC_INIT;
235 static CRYPTO_THREAD_LOCAL err_thread_local;
237 /* Predeclarations of the "err_defaults" functions */
238 static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit);
239 static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);
245 static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL;
246 static int int_err_library_number = ERR_LIB_USER;
248 static unsigned long get_error_values(int inc, int top, const char **file,
249 int *line, const char **data,
252 static unsigned long err_string_data_hash(const ERR_STRING_DATA *a)
254 unsigned long ret, l;
257 ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l);
258 return (ret ^ ret % 19 * 13);
261 static int err_string_data_cmp(const ERR_STRING_DATA *a,
262 const ERR_STRING_DATA *b)
264 return (int)(a->error - b->error);
267 static LHASH_OF(ERR_STRING_DATA) *get_hash(int create, int lockit)
269 LHASH_OF(ERR_STRING_DATA) *ret = NULL;
272 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
273 if (!int_error_hash && create) {
274 int_error_hash = lh_ERR_STRING_DATA_new(err_string_data_hash,
275 err_string_data_cmp);
277 if (int_error_hash != NULL)
278 ret = int_error_hash;
280 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
285 static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
287 ERR_STRING_DATA *p = NULL;
288 LHASH_OF(ERR_STRING_DATA) *hash;
290 CRYPTO_r_lock(CRYPTO_LOCK_ERR);
291 hash = get_hash(0, 0);
293 p = lh_ERR_STRING_DATA_retrieve(hash, d);
294 CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
299 #ifndef OPENSSL_NO_ERR
300 # define NUM_SYS_STR_REASONS 127
301 # define LEN_SYS_STR_REASON 32
303 static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1];
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
314 static void build_SYS_str_reasons(void)
316 /* OPENSSL_malloc cannot be used here, use static storage instead */
317 static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON];
321 CRYPTO_r_lock(CRYPTO_LOCK_ERR);
323 CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
327 CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
328 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
330 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
334 for (i = 1; i <= NUM_SYS_STR_REASONS; i++) {
335 ERR_STRING_DATA *str = &SYS_str_reasons[i - 1];
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);
342 strncpy(*dest, src, sizeof(*dest));
343 (*dest)[sizeof(*dest) - 1] = '\0';
347 if (str->string == NULL)
348 str->string = "unknown";
352 * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as
353 * required by ERR_load_strings.
358 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
362 #define err_clear_data(p,i) \
364 if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
366 OPENSSL_free((p)->err_data[i]); \
367 (p)->err_data[i]=NULL; \
369 (p)->err_data_flags[i]=0; \
372 #define err_clear(p,i) \
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; \
381 static void ERR_STATE_free(ERR_STATE *s)
388 for (i = 0; i < ERR_NUM_ERRORS; i++) {
389 err_clear_data(s, i);
394 void ERR_load_ERR_strings(void)
396 #ifndef OPENSSL_NO_ERR
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);
405 static void err_load_strings(int lib, ERR_STRING_DATA *str)
407 LHASH_OF(ERR_STRING_DATA) *hash;
409 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
410 hash = get_hash(1, 0);
412 for (; str->error; str++) {
414 str->error |= ERR_PACK(lib, 0, 0);
415 (void)lh_ERR_STRING_DATA_insert(hash, str);
418 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
421 void ERR_load_strings(int lib, ERR_STRING_DATA *str)
423 ERR_load_ERR_strings();
424 err_load_strings(lib, str);
427 void ERR_unload_strings(int lib, ERR_STRING_DATA *str)
429 LHASH_OF(ERR_STRING_DATA) *hash;
431 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
432 hash = get_hash(0, 0);
434 for (; str->error; str++) {
436 str->error |= ERR_PACK(lib, 0, 0);
437 (void)lh_ERR_STRING_DATA_delete(hash, str);
440 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
443 void ERR_free_strings(void)
445 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
446 lh_ERR_STRING_DATA_free(int_error_hash);
447 int_error_hash = NULL;
448 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
451 /********************************************************/
453 void ERR_put_error(int lib, int func, int reason, const char *file, int line)
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.
463 if (strncmp(file, "*POSIX(", sizeof("*POSIX(") - 1) == 0) {
466 /* Skip the "*POSIX(" prefix */
467 file += sizeof("*POSIX(") - 1;
468 end = &file[strlen(file) - 1];
471 /* Optional: use the basename of the path only. */
472 if ((end = strrchr(file, '/')) != NULL)
476 es = ERR_get_state();
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);
488 void ERR_clear_error(void)
493 es = ERR_get_state();
495 for (i = 0; i < ERR_NUM_ERRORS; i++) {
498 es->top = es->bottom = 0;
501 unsigned long ERR_get_error(void)
503 return (get_error_values(1, 0, NULL, NULL, NULL, NULL));
506 unsigned long ERR_get_error_line(const char **file, int *line)
508 return (get_error_values(1, 0, file, line, NULL, NULL));
511 unsigned long ERR_get_error_line_data(const char **file, int *line,
512 const char **data, int *flags)
514 return (get_error_values(1, 0, file, line, data, flags));
517 unsigned long ERR_peek_error(void)
519 return (get_error_values(0, 0, NULL, NULL, NULL, NULL));
522 unsigned long ERR_peek_error_line(const char **file, int *line)
524 return (get_error_values(0, 0, file, line, NULL, NULL));
527 unsigned long ERR_peek_error_line_data(const char **file, int *line,
528 const char **data, int *flags)
530 return (get_error_values(0, 0, file, line, data, flags));
533 unsigned long ERR_peek_last_error(void)
535 return (get_error_values(0, 1, NULL, NULL, NULL, NULL));
538 unsigned long ERR_peek_last_error_line(const char **file, int *line)
540 return (get_error_values(0, 1, file, line, NULL, NULL));
543 unsigned long ERR_peek_last_error_line_data(const char **file, int *line,
544 const char **data, int *flags)
546 return (get_error_values(0, 1, file, line, data, flags));
549 static unsigned long get_error_values(int inc, int top, const char **file,
550 int *line, const char **data,
557 es = ERR_get_state();
569 return ERR_R_INTERNAL_ERROR;
572 if (es->bottom == es->top)
575 i = es->top; /* last error */
577 i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */
579 ret = es->err_buffer[i];
582 es->err_buffer[i] = 0;
585 if ((file != NULL) && (line != NULL)) {
586 if (es->err_file[i] == NULL) {
591 *file = es->err_file[i];
593 *line = es->err_line[i];
599 err_clear_data(es, i);
602 if (es->err_data[i] == NULL) {
607 *data = es->err_data[i];
609 *flags = es->err_data_flags[i];
615 void ERR_error_string_n(unsigned long e, char *buf, size_t len)
617 char lsbuf[64], fsbuf[64], rsbuf[64];
618 const char *ls, *fs, *rs;
619 unsigned long l, f, r;
623 r = ERR_GET_REASON(e);
625 ls = ERR_lib_error_string(e);
626 fs = ERR_func_error_string(e);
627 rs = ERR_reason_error_string(e);
630 BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l);
632 BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f);
634 BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r);
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) {
640 * output may be truncated; make sure we always have 5
641 * colon-separated fields, i.e. 4 colons ...
644 if (len > NUM_COLONS) { /* ... if possible */
648 for (i = 0; i < NUM_COLONS; i++) {
649 char *colon = strchr(s, ':');
650 if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) {
652 * set colon no. i at last possible position (buf[len-1]
653 * is the terminating 0)
655 colon = &buf[len - 1] - NUM_COLONS + i;
665 * ERR_error_string_n should be used instead for ret != NULL as
666 * ERR_error_string cannot know how large the buffer is
668 char *ERR_error_string(unsigned long e, char *ret)
670 static char buf[256];
674 ERR_error_string_n(e, ret, 256);
679 LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void)
681 return get_hash(0, 1);
684 const char *ERR_lib_error_string(unsigned long e)
686 ERR_STRING_DATA d, *p;
690 d.error = ERR_PACK(l, 0, 0);
691 p = int_err_get_item(&d);
692 return ((p == NULL) ? NULL : p->string);
695 const char *ERR_func_error_string(unsigned long e)
697 ERR_STRING_DATA d, *p;
702 d.error = ERR_PACK(l, f, 0);
703 p = int_err_get_item(&d);
704 return ((p == NULL) ? NULL : p->string);
707 const char *ERR_reason_error_string(unsigned long e)
709 ERR_STRING_DATA d, *p = NULL;
713 r = ERR_GET_REASON(e);
714 d.error = ERR_PACK(l, 0, r);
715 p = int_err_get_item(&d);
717 d.error = ERR_PACK(0, 0, r);
718 p = int_err_get_item(&d);
720 return ((p == NULL) ? NULL : p->string);
723 void ERR_remove_thread_state(void)
725 ERR_STATE *state = ERR_get_state();
729 CRYPTO_THREAD_set_local(&err_thread_local, NULL);
730 ERR_STATE_free(state);
733 #if OPENSSL_API_COMPAT < 0x10000000L
734 void ERR_remove_state(unsigned long pid)
736 ERR_remove_thread_state();
740 static void err_do_init(void)
742 CRYPTO_THREAD_init_local(&err_thread_local, NULL);
745 ERR_STATE *ERR_get_state(void)
747 ERR_STATE *state = NULL;
749 CRYPTO_THREAD_run_once(&err_init, err_do_init);
751 state = CRYPTO_THREAD_get_local(&err_thread_local);
754 state = OPENSSL_zalloc(sizeof(*state));
758 if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) {
759 ERR_STATE_free(state);
763 /* Ignore failures from these */
764 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
765 ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE);
771 int ERR_get_next_error_library(void)
775 CRYPTO_w_lock(CRYPTO_LOCK_ERR);
776 ret = int_err_library_number++;
777 CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
781 void ERR_set_error_data(char *data, int flags)
786 es = ERR_get_state();
790 i = ERR_NUM_ERRORS - 1;
792 err_clear_data(es, i);
793 es->err_data[i] = data;
794 es->err_data_flags[i] = flags;
797 void ERR_add_error_data(int num, ...)
801 ERR_add_error_vdata(num, args);
805 void ERR_add_error_vdata(int num, va_list args)
811 str = OPENSSL_malloc(s + 1);
817 for (i = 0; i < num; i++) {
818 a = va_arg(args, char *);
819 /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
824 p = OPENSSL_realloc(str, s + 1);
831 OPENSSL_strlcat(str, a, (size_t)s + 1);
834 ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING);
837 int ERR_set_mark(void)
841 es = ERR_get_state();
843 if (es->bottom == es->top)
845 es->err_flags[es->top] |= ERR_FLAG_MARK;
849 int ERR_pop_to_mark(void)
853 es = ERR_get_state();
855 while (es->bottom != es->top
856 && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) {
857 err_clear(es, es->top);
860 es->top = ERR_NUM_ERRORS - 1;
863 if (es->bottom == es->top)
865 es->err_flags[es->top] &= ~ERR_FLAG_MARK;