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 <openssl/lhash.h>
116 #include <openssl/crypto.h>
117 #include <openssl/buffer.h>
118 #include <openssl/bio.h>
119 #include <openssl/err.h>
120 #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"},
163 static ERR_STRING_DATA ERR_str_functs
[] = {
164 {ERR_PACK(0, SYS_F_FOPEN
, 0), "fopen"},
165 {ERR_PACK(0, SYS_F_CONNECT
, 0), "connect"},
166 {ERR_PACK(0, SYS_F_GETSERVBYNAME
, 0), "getservbyname"},
167 {ERR_PACK(0, SYS_F_SOCKET
, 0), "socket"},
168 {ERR_PACK(0, SYS_F_IOCTLSOCKET
, 0), "ioctlsocket"},
169 {ERR_PACK(0, SYS_F_BIND
, 0), "bind"},
170 {ERR_PACK(0, SYS_F_LISTEN
, 0), "listen"},
171 {ERR_PACK(0, SYS_F_ACCEPT
, 0), "accept"},
172 # ifdef OPENSSL_SYS_WINDOWS
173 {ERR_PACK(0, SYS_F_WSASTARTUP
, 0), "WSAstartup"},
175 {ERR_PACK(0, SYS_F_OPENDIR
, 0), "opendir"},
176 {ERR_PACK(0, SYS_F_FREAD
, 0), "fread"},
177 {ERR_PACK(0, SYS_F_GETADDRINFO
, 0), "getaddrinfo"},
178 {ERR_PACK(0, SYS_F_GETNAMEINFO
, 0), "getnameinfo"},
179 {ERR_PACK(0, SYS_F_SETSOCKOPT
, 0), "setsockopt"},
180 {ERR_PACK(0, SYS_F_GETSOCKOPT
, 0), "getsockopt"},
181 {ERR_PACK(0, SYS_F_GETSOCKNAME
, 0), "getsockname"},
182 {ERR_PACK(0, SYS_F_GETHOSTBYNAME
, 0), "gethostbyname"},
186 static ERR_STRING_DATA ERR_str_reasons
[] = {
187 {ERR_R_SYS_LIB
, "system lib"},
188 {ERR_R_BN_LIB
, "BN lib"},
189 {ERR_R_RSA_LIB
, "RSA lib"},
190 {ERR_R_DH_LIB
, "DH lib"},
191 {ERR_R_EVP_LIB
, "EVP lib"},
192 {ERR_R_BUF_LIB
, "BUF lib"},
193 {ERR_R_OBJ_LIB
, "OBJ lib"},
194 {ERR_R_PEM_LIB
, "PEM lib"},
195 {ERR_R_DSA_LIB
, "DSA lib"},
196 {ERR_R_X509_LIB
, "X509 lib"},
197 {ERR_R_ASN1_LIB
, "ASN1 lib"},
198 {ERR_R_CONF_LIB
, "CONF lib"},
199 {ERR_R_CRYPTO_LIB
, "CRYPTO lib"},
200 {ERR_R_EC_LIB
, "EC lib"},
201 {ERR_R_SSL_LIB
, "SSL lib"},
202 {ERR_R_BIO_LIB
, "BIO lib"},
203 {ERR_R_PKCS7_LIB
, "PKCS7 lib"},
204 {ERR_R_X509V3_LIB
, "X509V3 lib"},
205 {ERR_R_PKCS12_LIB
, "PKCS12 lib"},
206 {ERR_R_RAND_LIB
, "RAND lib"},
207 {ERR_R_DSO_LIB
, "DSO lib"},
208 {ERR_R_ENGINE_LIB
, "ENGINE lib"},
209 {ERR_R_OCSP_LIB
, "OCSP lib"},
210 {ERR_R_TS_LIB
, "TS lib"},
211 {ERR_R_ECDSA_LIB
, "ECDSA lib"},
213 {ERR_R_NESTED_ASN1_ERROR
, "nested asn1 error"},
214 {ERR_R_BAD_ASN1_OBJECT_HEADER
, "bad asn1 object header"},
215 {ERR_R_BAD_GET_ASN1_OBJECT_CALL
, "bad get asn1 object call"},
216 {ERR_R_EXPECTING_AN_ASN1_SEQUENCE
, "expecting an asn1 sequence"},
217 {ERR_R_ASN1_LENGTH_MISMATCH
, "asn1 length mismatch"},
218 {ERR_R_MISSING_ASN1_EOS
, "missing asn1 eos"},
220 {ERR_R_FATAL
, "fatal"},
221 {ERR_R_MALLOC_FAILURE
, "malloc failure"},
222 {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
,
223 "called a function you should not call"},
224 {ERR_R_PASSED_NULL_PARAMETER
, "passed a null parameter"},
225 {ERR_R_INTERNAL_ERROR
, "internal error"},
226 {ERR_R_DISABLED
, "called a function that was disabled at compile-time"},
227 {ERR_R_INIT_FAIL
, "init fail"},
233 /* Predeclarations of the "err_defaults" functions */
234 static LHASH_OF(ERR_STRING_DATA
) *get_hash(int create
, int lockit
);
235 static ERR_STRING_DATA
*int_err_get_item(const ERR_STRING_DATA
*);
236 static LHASH_OF(ERR_STATE
) *int_thread_get(int create
, int lockit
);
237 static void int_thread_release(LHASH_OF(ERR_STATE
) **hash
);
238 static ERR_STATE
*int_thread_get_item(const ERR_STATE
*);
239 static ERR_STATE
*int_thread_set_item(ERR_STATE
*);
240 static void int_thread_del_item(const ERR_STATE
*);
246 /* This is a struct so that REF_PRINT_COUNT works. */
247 static struct refcount
{
250 static LHASH_OF(ERR_STRING_DATA
) *int_error_hash
= NULL
;
251 static LHASH_OF(ERR_STATE
) *int_thread_hash
= NULL
;
252 static int int_err_library_number
= ERR_LIB_USER
;
254 static unsigned long get_error_values(int inc
, int top
, const char **file
,
255 int *line
, const char **data
,
258 static unsigned long err_string_data_hash(const ERR_STRING_DATA
*a
)
260 unsigned long ret
, l
;
263 ret
= l
^ ERR_GET_LIB(l
) ^ ERR_GET_FUNC(l
);
264 return (ret
^ ret
% 19 * 13);
267 static int err_string_data_cmp(const ERR_STRING_DATA
*a
,
268 const ERR_STRING_DATA
*b
)
270 return (int)(a
->error
- b
->error
);
273 static LHASH_OF(ERR_STRING_DATA
) *get_hash(int create
, int lockit
)
275 LHASH_OF(ERR_STRING_DATA
) *ret
= NULL
;
278 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
279 if (!int_error_hash
&& create
) {
280 int_error_hash
= lh_ERR_STRING_DATA_new(err_string_data_hash
,
281 err_string_data_cmp
);
283 if (int_error_hash
!= NULL
)
284 ret
= int_error_hash
;
286 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
291 static ERR_STRING_DATA
*int_err_get_item(const ERR_STRING_DATA
*d
)
293 ERR_STRING_DATA
*p
= NULL
;
294 LHASH_OF(ERR_STRING_DATA
) *hash
;
296 CRYPTO_r_lock(CRYPTO_LOCK_ERR
);
297 hash
= get_hash(0, 0);
299 p
= lh_ERR_STRING_DATA_retrieve(hash
, d
);
300 CRYPTO_r_unlock(CRYPTO_LOCK_ERR
);
305 static unsigned long err_state_hash(const ERR_STATE
*a
)
307 return CRYPTO_THREADID_hash(&a
->tid
) * 13;
310 static int err_state_cmp(const ERR_STATE
*a
, const ERR_STATE
*b
)
312 return CRYPTO_THREADID_cmp(&a
->tid
, &b
->tid
);
315 static LHASH_OF(ERR_STATE
) *int_thread_get(int create
, int lockit
)
317 LHASH_OF(ERR_STATE
) *ret
= NULL
;
320 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
321 if (!int_thread_hash
&& create
) {
322 int_thread_hash
= lh_ERR_STATE_new(err_state_hash
, err_state_cmp
);
324 if (int_thread_hash
!= NULL
) {
325 refcount
.references
++;
326 ret
= int_thread_hash
;
329 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
333 static void int_thread_release(LHASH_OF(ERR_STATE
) **hash
)
337 if (hash
== NULL
|| *hash
== NULL
)
340 i
= CRYPTO_add(&refcount
.references
, -1, CRYPTO_LOCK_ERR
);
342 REF_PRINT_COUNT(&refcount
, "ERR");
345 REF_ASSERT_ISNT(i
< 0);
349 static ERR_STATE
*int_thread_get_item(const ERR_STATE
*d
)
352 LHASH_OF(ERR_STATE
) *hash
;
354 CRYPTO_r_lock(CRYPTO_LOCK_ERR
);
355 hash
= int_thread_get(0, 0);
357 p
= lh_ERR_STATE_retrieve(hash
, d
);
358 CRYPTO_r_unlock(CRYPTO_LOCK_ERR
);
360 int_thread_release(&hash
);
364 static ERR_STATE
*int_thread_set_item(ERR_STATE
*d
)
367 LHASH_OF(ERR_STATE
) *hash
;
369 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
370 hash
= int_thread_get(1, 0);
372 p
= lh_ERR_STATE_insert(hash
, d
);
373 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
375 int_thread_release(&hash
);
379 static void int_thread_del_item(const ERR_STATE
*d
)
382 LHASH_OF(ERR_STATE
) *hash
;
384 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
385 hash
= int_thread_get(0, 0);
387 p
= lh_ERR_STATE_delete(hash
, d
);
388 /* If there are no other references, and we just removed the
389 * last item, delete the int_thread_hash */
390 if (refcount
.references
== 1
392 && lh_ERR_STATE_num_items(int_thread_hash
) == 0) {
393 refcount
.references
= 0;
394 lh_ERR_STATE_free(int_thread_hash
);
395 int_thread_hash
= NULL
;
399 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
401 int_thread_release(&hash
);
405 #ifndef OPENSSL_NO_ERR
406 # define NUM_SYS_STR_REASONS 127
407 # define LEN_SYS_STR_REASON 32
409 static ERR_STRING_DATA SYS_str_reasons
[NUM_SYS_STR_REASONS
+ 1];
411 * SYS_str_reasons is filled with copies of strerror() results at
412 * initialization. 'errno' values up to 127 should cover all usual errors,
413 * others will be displayed numerically by ERR_error_string. It is crucial
414 * that we have something for each reason code that occurs in
415 * ERR_str_reasons, or bogus reason strings will be returned for SYSerr(),
416 * which always gets an errno value and never one of those 'standard' reason
420 static void build_SYS_str_reasons(void)
422 /* OPENSSL_malloc cannot be used here, use static storage instead */
423 static char strerror_tab
[NUM_SYS_STR_REASONS
][LEN_SYS_STR_REASON
];
427 CRYPTO_r_lock(CRYPTO_LOCK_ERR
);
429 CRYPTO_r_unlock(CRYPTO_LOCK_ERR
);
433 CRYPTO_r_unlock(CRYPTO_LOCK_ERR
);
434 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
436 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
440 for (i
= 1; i
<= NUM_SYS_STR_REASONS
; i
++) {
441 ERR_STRING_DATA
*str
= &SYS_str_reasons
[i
- 1];
443 str
->error
= (unsigned long)i
;
444 if (str
->string
== NULL
) {
445 char (*dest
)[LEN_SYS_STR_REASON
] = &(strerror_tab
[i
- 1]);
446 char *src
= strerror(i
);
448 strncpy(*dest
, src
, sizeof(*dest
));
449 (*dest
)[sizeof(*dest
) - 1] = '\0';
453 if (str
->string
== NULL
)
454 str
->string
= "unknown";
458 * Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, as
459 * required by ERR_load_strings.
464 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
468 #define err_clear_data(p,i) \
470 if ((p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
472 OPENSSL_free((p)->err_data[i]); \
473 (p)->err_data[i]=NULL; \
475 (p)->err_data_flags[i]=0; \
478 #define err_clear(p,i) \
480 (p)->err_flags[i]=0; \
481 (p)->err_buffer[i]=0; \
482 err_clear_data(p,i); \
483 (p)->err_file[i]=NULL; \
484 (p)->err_line[i]= -1; \
487 static void ERR_STATE_free(ERR_STATE
*s
)
494 for (i
= 0; i
< ERR_NUM_ERRORS
; i
++) {
495 err_clear_data(s
, i
);
500 void ERR_load_ERR_strings(void)
502 #ifndef OPENSSL_NO_ERR
503 err_load_strings(0, ERR_str_libraries
);
504 err_load_strings(0, ERR_str_reasons
);
505 err_load_strings(ERR_LIB_SYS
, ERR_str_functs
);
506 build_SYS_str_reasons();
507 err_load_strings(ERR_LIB_SYS
, SYS_str_reasons
);
511 static void err_load_strings(int lib
, ERR_STRING_DATA
*str
)
513 LHASH_OF(ERR_STRING_DATA
) *hash
;
515 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
516 hash
= get_hash(1, 0);
518 for (; str
->error
; str
++) {
520 str
->error
|= ERR_PACK(lib
, 0, 0);
521 (void)lh_ERR_STRING_DATA_insert(hash
, str
);
524 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
527 void ERR_load_strings(int lib
, ERR_STRING_DATA
*str
)
529 ERR_load_ERR_strings();
530 err_load_strings(lib
, str
);
533 void ERR_unload_strings(int lib
, ERR_STRING_DATA
*str
)
535 LHASH_OF(ERR_STRING_DATA
) *hash
;
537 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
538 hash
= get_hash(0, 0);
540 for (; str
->error
; str
++) {
542 str
->error
|= ERR_PACK(lib
, 0, 0);
543 (void)lh_ERR_STRING_DATA_delete(hash
, str
);
546 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
549 void ERR_free_strings(void)
551 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
552 lh_ERR_STRING_DATA_free(int_error_hash
);
553 int_error_hash
= NULL
;
554 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
557 /********************************************************/
559 void ERR_put_error(int lib
, int func
, int reason
, const char *file
, int line
)
565 * In the BS2000-OSD POSIX subsystem, the compiler generates path names
566 * in the form "*POSIX(/etc/passwd)". This dirty hack strips them to
567 * something sensible. @@@ We shouldn't modify a const string, though.
569 if (strncmp(file
, "*POSIX(", sizeof("*POSIX(") - 1) == 0) {
572 /* Skip the "*POSIX(" prefix */
573 file
+= sizeof("*POSIX(") - 1;
574 end
= &file
[strlen(file
) - 1];
577 /* Optional: use the basename of the path only. */
578 if ((end
= strrchr(file
, '/')) != NULL
)
582 es
= ERR_get_state();
584 es
->top
= (es
->top
+ 1) % ERR_NUM_ERRORS
;
585 if (es
->top
== es
->bottom
)
586 es
->bottom
= (es
->bottom
+ 1) % ERR_NUM_ERRORS
;
587 es
->err_flags
[es
->top
] = 0;
588 es
->err_buffer
[es
->top
] = ERR_PACK(lib
, func
, reason
);
589 es
->err_file
[es
->top
] = file
;
590 es
->err_line
[es
->top
] = line
;
591 err_clear_data(es
, es
->top
);
594 void ERR_clear_error(void)
599 es
= ERR_get_state();
601 for (i
= 0; i
< ERR_NUM_ERRORS
; i
++) {
604 es
->top
= es
->bottom
= 0;
607 unsigned long ERR_get_error(void)
609 return (get_error_values(1, 0, NULL
, NULL
, NULL
, NULL
));
612 unsigned long ERR_get_error_line(const char **file
, int *line
)
614 return (get_error_values(1, 0, file
, line
, NULL
, NULL
));
617 unsigned long ERR_get_error_line_data(const char **file
, int *line
,
618 const char **data
, int *flags
)
620 return (get_error_values(1, 0, file
, line
, data
, flags
));
623 unsigned long ERR_peek_error(void)
625 return (get_error_values(0, 0, NULL
, NULL
, NULL
, NULL
));
628 unsigned long ERR_peek_error_line(const char **file
, int *line
)
630 return (get_error_values(0, 0, file
, line
, NULL
, NULL
));
633 unsigned long ERR_peek_error_line_data(const char **file
, int *line
,
634 const char **data
, int *flags
)
636 return (get_error_values(0, 0, file
, line
, data
, flags
));
639 unsigned long ERR_peek_last_error(void)
641 return (get_error_values(0, 1, NULL
, NULL
, NULL
, NULL
));
644 unsigned long ERR_peek_last_error_line(const char **file
, int *line
)
646 return (get_error_values(0, 1, file
, line
, NULL
, NULL
));
649 unsigned long ERR_peek_last_error_line_data(const char **file
, int *line
,
650 const char **data
, int *flags
)
652 return (get_error_values(0, 1, file
, line
, data
, flags
));
655 static unsigned long get_error_values(int inc
, int top
, const char **file
,
656 int *line
, const char **data
,
663 es
= ERR_get_state();
675 return ERR_R_INTERNAL_ERROR
;
678 if (es
->bottom
== es
->top
)
681 i
= es
->top
; /* last error */
683 i
= (es
->bottom
+ 1) % ERR_NUM_ERRORS
; /* first error */
685 ret
= es
->err_buffer
[i
];
688 es
->err_buffer
[i
] = 0;
691 if ((file
!= NULL
) && (line
!= NULL
)) {
692 if (es
->err_file
[i
] == NULL
) {
697 *file
= es
->err_file
[i
];
699 *line
= es
->err_line
[i
];
705 err_clear_data(es
, i
);
708 if (es
->err_data
[i
] == NULL
) {
713 *data
= es
->err_data
[i
];
715 *flags
= es
->err_data_flags
[i
];
721 void ERR_error_string_n(unsigned long e
, char *buf
, size_t len
)
723 char lsbuf
[64], fsbuf
[64], rsbuf
[64];
724 const char *ls
, *fs
, *rs
;
725 unsigned long l
, f
, r
;
729 r
= ERR_GET_REASON(e
);
731 ls
= ERR_lib_error_string(e
);
732 fs
= ERR_func_error_string(e
);
733 rs
= ERR_reason_error_string(e
);
736 BIO_snprintf(lsbuf
, sizeof(lsbuf
), "lib(%lu)", l
);
738 BIO_snprintf(fsbuf
, sizeof(fsbuf
), "func(%lu)", f
);
740 BIO_snprintf(rsbuf
, sizeof(rsbuf
), "reason(%lu)", r
);
742 BIO_snprintf(buf
, len
, "error:%08lX:%s:%s:%s", e
, ls
? ls
: lsbuf
,
743 fs
? fs
: fsbuf
, rs
? rs
: rsbuf
);
744 if (strlen(buf
) == len
- 1) {
746 * output may be truncated; make sure we always have 5
747 * colon-separated fields, i.e. 4 colons ...
750 if (len
> NUM_COLONS
) { /* ... if possible */
754 for (i
= 0; i
< NUM_COLONS
; i
++) {
755 char *colon
= strchr(s
, ':');
756 if (colon
== NULL
|| colon
> &buf
[len
- 1] - NUM_COLONS
+ i
) {
758 * set colon no. i at last possible position (buf[len-1]
759 * is the terminating 0)
761 colon
= &buf
[len
- 1] - NUM_COLONS
+ i
;
770 /* BAD for multi-threading: uses a local buffer if ret == NULL */
772 * ERR_error_string_n should be used instead for ret != NULL as
773 * ERR_error_string cannot know how large the buffer is
775 char *ERR_error_string(unsigned long e
, char *ret
)
777 static char buf
[256];
781 ERR_error_string_n(e
, ret
, 256);
786 LHASH_OF(ERR_STRING_DATA
) *ERR_get_string_table(void)
788 return get_hash(0, 1);
791 LHASH_OF(ERR_STATE
) *ERR_get_err_state_table(void)
793 return int_thread_get(0, 1);
796 void ERR_release_err_state_table(LHASH_OF(ERR_STATE
) **hash
)
798 int_thread_release(hash
);
801 const char *ERR_lib_error_string(unsigned long e
)
803 ERR_STRING_DATA d
, *p
;
807 d
.error
= ERR_PACK(l
, 0, 0);
808 p
= int_err_get_item(&d
);
809 return ((p
== NULL
) ? NULL
: p
->string
);
812 const char *ERR_func_error_string(unsigned long e
)
814 ERR_STRING_DATA d
, *p
;
819 d
.error
= ERR_PACK(l
, f
, 0);
820 p
= int_err_get_item(&d
);
821 return ((p
== NULL
) ? NULL
: p
->string
);
824 const char *ERR_reason_error_string(unsigned long e
)
826 ERR_STRING_DATA d
, *p
= NULL
;
830 r
= ERR_GET_REASON(e
);
831 d
.error
= ERR_PACK(l
, 0, r
);
832 p
= int_err_get_item(&d
);
834 d
.error
= ERR_PACK(0, 0, r
);
835 p
= int_err_get_item(&d
);
837 return ((p
== NULL
) ? NULL
: p
->string
);
840 void ERR_remove_thread_state(const CRYPTO_THREADID
*id
)
845 CRYPTO_THREADID_cpy(&tmp
.tid
, id
);
847 CRYPTO_THREADID_current(&tmp
.tid
);
849 * thread_del_item automatically destroys the LHASH if the number of
850 * items reaches zero.
852 int_thread_del_item(&tmp
);
855 #if OPENSSL_API_COMPAT < 0x10000000L
856 void ERR_remove_state(unsigned long pid
)
858 ERR_remove_thread_state(NULL
);
862 ERR_STATE
*ERR_get_state(void)
864 static ERR_STATE fallback
;
865 ERR_STATE
*ret
, tmp
, *tmpp
= NULL
;
869 CRYPTO_THREADID_current(&tid
);
870 CRYPTO_THREADID_cpy(&tmp
.tid
, &tid
);
871 ret
= int_thread_get_item(&tmp
);
873 /* ret == the error state, if NULL, make a new one */
875 ret
= OPENSSL_malloc(sizeof(*ret
));
878 CRYPTO_THREADID_cpy(&ret
->tid
, &tid
);
881 for (i
= 0; i
< ERR_NUM_ERRORS
; i
++) {
882 ret
->err_data
[i
] = NULL
;
883 ret
->err_data_flags
[i
] = 0;
885 tmpp
= int_thread_set_item(ret
);
886 /* To check if insertion failed, do a get. */
887 if (int_thread_get_item(ret
) != ret
) {
888 ERR_STATE_free(ret
); /* could not insert it */
892 * If a race occurred in this function and we came second, tmpp is
893 * the first one that we just replaced.
895 ERR_STATE_free(tmpp
);
897 /* Ignore failures from these */
898 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS
, NULL
);
899 ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE
);
904 int ERR_get_next_error_library(void)
908 CRYPTO_w_lock(CRYPTO_LOCK_ERR
);
909 ret
= int_err_library_number
++;
910 CRYPTO_w_unlock(CRYPTO_LOCK_ERR
);
914 void ERR_set_error_data(char *data
, int flags
)
919 es
= ERR_get_state();
923 i
= ERR_NUM_ERRORS
- 1;
925 err_clear_data(es
, i
);
926 es
->err_data
[i
] = data
;
927 es
->err_data_flags
[i
] = flags
;
930 void ERR_add_error_data(int num
, ...)
934 ERR_add_error_vdata(num
, args
);
938 void ERR_add_error_vdata(int num
, va_list args
)
944 str
= OPENSSL_malloc(s
+ 1);
950 for (i
= 0; i
< num
; i
++) {
951 a
= va_arg(args
, char *);
952 /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
957 p
= OPENSSL_realloc(str
, s
+ 1);
964 OPENSSL_strlcat(str
, a
, (size_t)s
+ 1);
967 ERR_set_error_data(str
, ERR_TXT_MALLOCED
| ERR_TXT_STRING
);
970 int ERR_set_mark(void)
974 es
= ERR_get_state();
976 if (es
->bottom
== es
->top
)
978 es
->err_flags
[es
->top
] |= ERR_FLAG_MARK
;
982 int ERR_pop_to_mark(void)
986 es
= ERR_get_state();
988 while (es
->bottom
!= es
->top
989 && (es
->err_flags
[es
->top
] & ERR_FLAG_MARK
) == 0) {
990 err_clear(es
, es
->top
);
993 es
->top
= ERR_NUM_ERRORS
- 1;
996 if (es
->bottom
== es
->top
)
998 es
->err_flags
[es
->top
] &= ~ERR_FLAG_MARK
;