]>
Commit | Line | Data |
---|---|---|
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. | |
8 | * | |
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). | |
15 | * | |
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. | |
22 | * | |
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 :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
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. | |
52 | * | |
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 | |
66 | * notice, this list of conditions and the following disclaimer. | |
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 | 111 | |
5ca9cb7c DSH |
112 | #define OPENSSL_NO_FIPS_ERR |
113 | ||
d02b48c6 | 114 | #include <stdio.h> |
4565c3e3 | 115 | #include <stdarg.h> |
0a150c5c | 116 | #include <string.h> |
25a66ee3 | 117 | #include "cryptlib.h" |
ec577822 BM |
118 | #include <openssl/lhash.h> |
119 | #include <openssl/crypto.h> | |
ec577822 | 120 | #include <openssl/buffer.h> |
e5c84d51 | 121 | #include <openssl/bio.h> |
dcba2534 | 122 | #include <openssl/err.h> |
d02b48c6 | 123 | |
3c1d6bbc BL |
124 | DECLARE_LHASH_OF(ERR_STRING_DATA); |
125 | DECLARE_LHASH_OF(ERR_STATE); | |
126 | ||
cf5bfbfc BM |
127 | static void err_load_strings(int lib, ERR_STRING_DATA *str); |
128 | ||
58964a49 | 129 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 130 | #ifndef OPENSSL_NO_ERR |
d02b48c6 RE |
131 | static ERR_STRING_DATA ERR_str_libraries[]= |
132 | { | |
133 | {ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"}, | |
134 | {ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"}, | |
135 | {ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"}, | |
136 | {ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"}, | |
137 | {ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"}, | |
138 | {ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"}, | |
139 | {ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"}, | |
d02b48c6 RE |
140 | {ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"}, |
141 | {ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"}, | |
5277d7cb | 142 | {ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"}, |
d02b48c6 | 143 | {ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"}, |
5277d7cb | 144 | {ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"}, |
657e60fa | 145 | {ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"}, |
5277d7cb BM |
146 | {ERR_PACK(ERR_LIB_CRYPTO,0,0) ,"common libcrypto routines"}, |
147 | {ERR_PACK(ERR_LIB_EC,0,0) ,"elliptic curve routines"}, | |
4c8855b9 DSH |
148 | {ERR_PACK(ERR_LIB_ECDSA,0,0) ,"ECDSA routines"}, |
149 | {ERR_PACK(ERR_LIB_ECDH,0,0) ,"ECDH routines"}, | |
d02b48c6 | 150 | {ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"}, |
d02b48c6 RE |
151 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, |
152 | {ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"}, | |
834eeef9 | 153 | {ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"}, |
67d5ac03 | 154 | {ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"}, |
eb952088 | 155 | {ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"}, |
9ec0126e | 156 | {ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"}, |
c7235be6 | 157 | {ERR_PACK(ERR_LIB_TS,0,0) ,"time stamp routines"}, |
5270e702 | 158 | {ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"}, |
8e961835 | 159 | {ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"}, |
a01a351c | 160 | {ERR_PACK(ERR_LIB_FIPS,0,0) ,"FIPS routines"}, |
8931b30d | 161 | {ERR_PACK(ERR_LIB_CMS,0,0) ,"CMS routines"}, |
a01a351c | 162 | {ERR_PACK(ERR_LIB_HMAC,0,0) ,"HMAC routines"}, |
d02b48c6 RE |
163 | {0,NULL}, |
164 | }; | |
165 | ||
166 | static ERR_STRING_DATA ERR_str_functs[]= | |
167 | { | |
168 | {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, | |
169 | {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, | |
170 | {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, | |
171 | {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, | |
172 | {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, | |
173 | {ERR_PACK(0,SYS_F_BIND,0), "bind"}, | |
174 | {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, | |
175 | {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, | |
bc36ee62 | 176 | #ifdef OPENSSL_SYS_WINDOWS |
d02b48c6 RE |
177 | {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, |
178 | #endif | |
a40f6dce | 179 | {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, |
d15711ef | 180 | {ERR_PACK(0,SYS_F_FREAD,0), "fread"}, |
d02b48c6 RE |
181 | {0,NULL}, |
182 | }; | |
183 | ||
184 | static ERR_STRING_DATA ERR_str_reasons[]= | |
185 | { | |
d02b48c6 RE |
186 | {ERR_R_SYS_LIB ,"system lib"}, |
187 | {ERR_R_BN_LIB ,"BN lib"}, | |
188 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
189 | {ERR_R_DH_LIB ,"DH lib"}, | |
190 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
191 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
d02b48c6 RE |
192 | {ERR_R_OBJ_LIB ,"OBJ lib"}, |
193 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
5277d7cb | 194 | {ERR_R_DSA_LIB ,"DSA lib"}, |
d02b48c6 | 195 | {ERR_R_X509_LIB ,"X509 lib"}, |
d02b48c6 RE |
196 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, |
197 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
5277d7cb BM |
198 | {ERR_R_CRYPTO_LIB ,"CRYPTO lib"}, |
199 | {ERR_R_EC_LIB ,"EC lib"}, | |
d02b48c6 | 200 | {ERR_R_SSL_LIB ,"SSL lib"}, |
d02b48c6 RE |
201 | {ERR_R_BIO_LIB ,"BIO lib"}, |
202 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
5277d7cb | 203 | {ERR_R_X509V3_LIB ,"X509V3 lib"}, |
67d5ac03 | 204 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
5277d7cb BM |
205 | {ERR_R_RAND_LIB ,"RAND lib"}, |
206 | {ERR_R_DSO_LIB ,"DSO lib"}, | |
207 | {ERR_R_ENGINE_LIB ,"ENGINE lib"}, | |
208 | {ERR_R_OCSP_LIB ,"OCSP lib"}, | |
c7235be6 | 209 | {ERR_R_TS_LIB ,"TS lib"}, |
4c8855b9 | 210 | {ERR_R_ECDSA_LIB ,"ECDSA lib"}, |
5277d7cb | 211 | |
dfeab068 RE |
212 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, |
213 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
214 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
215 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
216 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
217 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
5277d7cb BM |
218 | |
219 | {ERR_R_FATAL ,"fatal"}, | |
220 | {ERR_R_MALLOC_FAILURE ,"malloc failure"}, | |
221 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, | |
222 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, | |
223 | {ERR_R_INTERNAL_ERROR ,"internal error"}, | |
819ff32d | 224 | {ERR_R_DISABLED ,"called a function that was disabled at compile-time"}, |
dfeab068 | 225 | |
d02b48c6 RE |
226 | {0,NULL}, |
227 | }; | |
758f942b | 228 | #endif |
0a150c5c BM |
229 | |
230 | ||
566bdf2b GT |
231 | /* Define the predeclared (but externally opaque) "ERR_FNS" type */ |
232 | struct st_ERR_FNS | |
233 | { | |
234 | /* Works on the "error_hash" string table */ | |
3c1d6bbc | 235 | LHASH_OF(ERR_STRING_DATA) *(*cb_err_get)(int create); |
566bdf2b GT |
236 | void (*cb_err_del)(void); |
237 | ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *); | |
238 | ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *); | |
1738bb61 | 239 | ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *); |
566bdf2b | 240 | /* Works on the "thread_hash" error-state table */ |
3c1d6bbc BL |
241 | LHASH_OF(ERR_STATE) *(*cb_thread_get)(int create); |
242 | void (*cb_thread_release)(LHASH_OF(ERR_STATE) **hash); | |
566bdf2b GT |
243 | ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *); |
244 | ERR_STATE *(*cb_thread_set_item)(ERR_STATE *); | |
245 | void (*cb_thread_del_item)(const ERR_STATE *); | |
246 | /* Returns the next available error "library" numbers */ | |
247 | int (*cb_get_next_lib)(void); | |
248 | }; | |
249 | ||
250 | /* Predeclarations of the "err_defaults" functions */ | |
3c1d6bbc | 251 | static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create); |
566bdf2b GT |
252 | static void int_err_del(void); |
253 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | |
254 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | |
1738bb61 | 255 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); |
3c1d6bbc BL |
256 | static LHASH_OF(ERR_STATE) *int_thread_get(int create); |
257 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash); | |
566bdf2b GT |
258 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
259 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
260 | static void int_thread_del_item(const ERR_STATE *); | |
261 | static int int_err_get_next_lib(void); | |
262 | /* The static ERR_FNS table using these defaults functions */ | |
263 | static const ERR_FNS err_defaults = | |
264 | { | |
265 | int_err_get, | |
266 | int_err_del, | |
267 | int_err_get_item, | |
268 | int_err_set_item, | |
1738bb61 | 269 | int_err_del_item, |
566bdf2b | 270 | int_thread_get, |
11171f3c | 271 | int_thread_release, |
566bdf2b GT |
272 | int_thread_get_item, |
273 | int_thread_set_item, | |
274 | int_thread_del_item, | |
275 | int_err_get_next_lib | |
276 | }; | |
277 | ||
278 | /* The replacable table of ERR_FNS functions we use at run-time */ | |
279 | static const ERR_FNS *err_fns = NULL; | |
280 | ||
281 | /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | |
282 | #define ERRFN(a) err_fns->cb_##a | |
283 | ||
284 | /* The internal state used by "err_defaults" - as such, the setting, reading, | |
285 | * creating, and deleting of this data should only be permitted via the | |
286 | * "err_defaults" functions. This way, a linked module can completely defer all | |
287 | * ERR state operation (together with requisite locking) to the implementations | |
288 | * and state in the loading application. */ | |
3c1d6bbc BL |
289 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
290 | static LHASH_OF(ERR_STATE) *int_thread_hash = NULL; | |
11171f3c | 291 | static int int_thread_hash_references = 0; |
78f79235 | 292 | static int int_err_library_number= ERR_LIB_USER; |
566bdf2b GT |
293 | |
294 | /* Internal function that checks whether "err_fns" is set and if not, sets it to | |
295 | * the defaults. */ | |
296 | static void err_fns_check(void) | |
297 | { | |
cf5bfbfc BM |
298 | if (err_fns) return; |
299 | ||
566bdf2b | 300 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
cf5bfbfc | 301 | if (!err_fns) |
566bdf2b GT |
302 | err_fns = &err_defaults; |
303 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
304 | } | |
305 | ||
306 | /* API functions to get or set the underlying ERR functions. */ | |
307 | ||
308 | const ERR_FNS *ERR_get_implementation(void) | |
309 | { | |
310 | err_fns_check(); | |
311 | return err_fns; | |
312 | } | |
313 | ||
314 | int ERR_set_implementation(const ERR_FNS *fns) | |
315 | { | |
78f79235 BM |
316 | int ret = 0; |
317 | ||
566bdf2b GT |
318 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
319 | /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting | |
320 | * an error is there?! */ | |
78f79235 | 321 | if (!err_fns) |
566bdf2b GT |
322 | { |
323 | err_fns = fns; | |
78f79235 | 324 | ret = 1; |
566bdf2b GT |
325 | } |
326 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 327 | return ret; |
566bdf2b GT |
328 | } |
329 | ||
330 | /* These are the callbacks provided to "lh_new()" when creating the LHASH tables | |
331 | * internal to the "err_defaults" implementation. */ | |
332 | ||
a14e2d9d | 333 | static unsigned long get_error_values(int inc,int top,const char **file,int *line, |
566bdf2b GT |
334 | const char **data,int *flags); |
335 | ||
336 | /* The internal functions used in the "err_defaults" implementation */ | |
337 | ||
3c1d6bbc | 338 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
566bdf2b | 339 | { |
3c1d6bbc BL |
340 | unsigned long ret,l; |
341 | ||
342 | l=a->error; | |
343 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); | |
344 | return(ret^ret%19*13); | |
345 | } | |
ab3eafd5 | 346 | static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc BL |
347 | |
348 | static int err_string_data_cmp(const ERR_STRING_DATA *a, | |
349 | const ERR_STRING_DATA *b) | |
350 | { | |
351 | return (int)(a->error - b->error); | |
352 | } | |
ab3eafd5 | 353 | static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc BL |
354 | |
355 | static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create) | |
356 | { | |
357 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
78f79235 | 358 | |
566bdf2b | 359 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
360 | if (!int_error_hash && create) |
361 | { | |
362 | CRYPTO_push_info("int_err_get (err.c)"); | |
3c1d6bbc | 363 | int_error_hash = lh_ERR_STRING_DATA_new(); |
9f29ec47 BM |
364 | CRYPTO_pop_info(); |
365 | } | |
78f79235 BM |
366 | if (int_error_hash) |
367 | ret = int_error_hash; | |
566bdf2b | 368 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
369 | |
370 | return ret; | |
566bdf2b | 371 | } |
567fef89 | 372 | |
566bdf2b GT |
373 | static void int_err_del(void) |
374 | { | |
375 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
78f79235 | 376 | if (int_error_hash) |
566bdf2b | 377 | { |
3c1d6bbc | 378 | lh_ERR_STRING_DATA_free(int_error_hash); |
566bdf2b | 379 | int_error_hash = NULL; |
566bdf2b GT |
380 | } |
381 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
382 | } | |
567fef89 | 383 | |
566bdf2b GT |
384 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
385 | { | |
386 | ERR_STRING_DATA *p; | |
3c1d6bbc | 387 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 388 | |
566bdf2b | 389 | err_fns_check(); |
9f29ec47 | 390 | hash = ERRFN(err_get)(0); |
78f79235 | 391 | if (!hash) |
566bdf2b | 392 | return NULL; |
78f79235 | 393 | |
566bdf2b | 394 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 395 | p = lh_ERR_STRING_DATA_retrieve(hash, d); |
566bdf2b | 396 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 397 | |
566bdf2b GT |
398 | return p; |
399 | } | |
567fef89 | 400 | |
566bdf2b GT |
401 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) |
402 | { | |
403 | ERR_STRING_DATA *p; | |
3c1d6bbc | 404 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 405 | |
566bdf2b | 406 | err_fns_check(); |
9f29ec47 | 407 | hash = ERRFN(err_get)(1); |
78f79235 | 408 | if (!hash) |
566bdf2b | 409 | return NULL; |
78f79235 | 410 | |
567fef89 | 411 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 412 | p = lh_ERR_STRING_DATA_insert(hash, d); |
567fef89 | 413 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 414 | |
566bdf2b GT |
415 | return p; |
416 | } | |
567fef89 | 417 | |
1738bb61 GT |
418 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) |
419 | { | |
420 | ERR_STRING_DATA *p; | |
3c1d6bbc | 421 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 422 | |
1738bb61 | 423 | err_fns_check(); |
9f29ec47 | 424 | hash = ERRFN(err_get)(0); |
78f79235 | 425 | if (!hash) |
1738bb61 | 426 | return NULL; |
78f79235 | 427 | |
567fef89 | 428 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 429 | p = lh_ERR_STRING_DATA_delete(hash, d); |
567fef89 | 430 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 431 | |
1738bb61 GT |
432 | return p; |
433 | } | |
567fef89 | 434 | |
3c1d6bbc BL |
435 | static unsigned long err_state_hash(const ERR_STATE *a) |
436 | { | |
4c329696 | 437 | return CRYPTO_THREADID_hash(&a->tid) * 13; |
3c1d6bbc | 438 | } |
ab3eafd5 | 439 | static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE) |
3c1d6bbc BL |
440 | |
441 | static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b) | |
442 | { | |
4c329696 | 443 | return CRYPTO_THREADID_cmp(&a->tid, &b->tid); |
3c1d6bbc | 444 | } |
ab3eafd5 | 445 | static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE) |
3c1d6bbc BL |
446 | |
447 | static LHASH_OF(ERR_STATE) *int_thread_get(int create) | |
566bdf2b | 448 | { |
3c1d6bbc | 449 | LHASH_OF(ERR_STATE) *ret = NULL; |
78f79235 | 450 | |
566bdf2b | 451 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
452 | if (!int_thread_hash && create) |
453 | { | |
454 | CRYPTO_push_info("int_thread_get (err.c)"); | |
3c1d6bbc | 455 | int_thread_hash = lh_ERR_STATE_new(); |
9f29ec47 BM |
456 | CRYPTO_pop_info(); |
457 | } | |
78f79235 | 458 | if (int_thread_hash) |
11171f3c RL |
459 | { |
460 | int_thread_hash_references++; | |
78f79235 | 461 | ret = int_thread_hash; |
11171f3c | 462 | } |
566bdf2b | 463 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 464 | return ret; |
566bdf2b | 465 | } |
567fef89 | 466 | |
3c1d6bbc | 467 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash) |
11171f3c RL |
468 | { |
469 | int i; | |
470 | ||
471 | if (hash == NULL || *hash == NULL) | |
472 | return; | |
473 | ||
474 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); | |
475 | ||
476 | #ifdef REF_PRINT | |
477 | fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR"); | |
478 | #endif | |
479 | if (i > 0) return; | |
480 | #ifdef REF_CHECK | |
481 | if (i < 0) | |
482 | { | |
483 | fprintf(stderr,"int_thread_release, bad reference count\n"); | |
484 | abort(); /* ok */ | |
485 | } | |
486 | #endif | |
487 | *hash = NULL; | |
488 | } | |
489 | ||
566bdf2b GT |
490 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
491 | { | |
492 | ERR_STATE *p; | |
3c1d6bbc | 493 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 494 | |
566bdf2b | 495 | err_fns_check(); |
9f29ec47 | 496 | hash = ERRFN(thread_get)(0); |
78f79235 | 497 | if (!hash) |
566bdf2b | 498 | return NULL; |
78f79235 | 499 | |
566bdf2b | 500 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 501 | p = lh_ERR_STATE_retrieve(hash, d); |
566bdf2b | 502 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 503 | |
11171f3c | 504 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
505 | return p; |
506 | } | |
567fef89 | 507 | |
566bdf2b GT |
508 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
509 | { | |
510 | ERR_STATE *p; | |
3c1d6bbc | 511 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 512 | |
566bdf2b | 513 | err_fns_check(); |
9f29ec47 | 514 | hash = ERRFN(thread_get)(1); |
78f79235 | 515 | if (!hash) |
566bdf2b | 516 | return NULL; |
78f79235 | 517 | |
567fef89 | 518 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 519 | p = lh_ERR_STATE_insert(hash, d); |
567fef89 | 520 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 521 | |
11171f3c | 522 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
523 | return p; |
524 | } | |
567fef89 | 525 | |
566bdf2b GT |
526 | static void int_thread_del_item(const ERR_STATE *d) |
527 | { | |
528 | ERR_STATE *p; | |
3c1d6bbc | 529 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 530 | |
566bdf2b | 531 | err_fns_check(); |
9f29ec47 | 532 | hash = ERRFN(thread_get)(0); |
78f79235 | 533 | if (!hash) |
566bdf2b | 534 | return; |
78f79235 | 535 | |
566bdf2b | 536 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 537 | p = lh_ERR_STATE_delete(hash, d); |
566bdf2b | 538 | /* make sure we don't leak memory */ |
11171f3c | 539 | if (int_thread_hash_references == 1 |
3c1d6bbc | 540 | && int_thread_hash && lh_ERR_STATE_num_items(int_thread_hash) == 0) |
566bdf2b | 541 | { |
3c1d6bbc | 542 | lh_ERR_STATE_free(int_thread_hash); |
566bdf2b | 543 | int_thread_hash = NULL; |
566bdf2b GT |
544 | } |
545 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 546 | |
11171f3c | 547 | ERRFN(thread_release)(&hash); |
78f79235 | 548 | if (p) |
566bdf2b GT |
549 | ERR_STATE_free(p); |
550 | } | |
567fef89 | 551 | |
566bdf2b GT |
552 | static int int_err_get_next_lib(void) |
553 | { | |
78f79235 BM |
554 | int ret; |
555 | ||
566bdf2b | 556 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
78f79235 | 557 | ret = int_err_library_number++; |
566bdf2b | 558 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
559 | |
560 | return ret; | |
566bdf2b GT |
561 | } |
562 | ||
563 | ||
758f942b | 564 | #ifndef OPENSSL_NO_ERR |
0a150c5c BM |
565 | #define NUM_SYS_STR_REASONS 127 |
566 | #define LEN_SYS_STR_REASON 32 | |
567 | ||
568 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
569 | /* SYS_str_reasons is filled with copies of strerror() results at | |
570 | * initialization. | |
571 | * 'errno' values up to 127 should cover all usual errors, | |
572 | * others will be displayed numerically by ERR_error_string. | |
573 | * It is crucial that we have something for each reason code | |
574 | * that occurs in ERR_str_reasons, or bogus reason strings | |
575 | * will be returned for SYSerr(), which always gets an errno | |
576 | * value and never one of those 'standard' reason codes. */ | |
577 | ||
41a15c4f | 578 | static void build_SYS_str_reasons(void) |
0a150c5c | 579 | { |
26a3a48d | 580 | /* OPENSSL_malloc cannot be used here, use static storage instead */ |
0a150c5c BM |
581 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; |
582 | int i; | |
cf5bfbfc BM |
583 | static int init = 1; |
584 | ||
675f605d BM |
585 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
586 | if (!init) | |
587 | { | |
588 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
589 | return; | |
590 | } | |
591 | ||
592 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 593 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
675f605d BM |
594 | if (!init) |
595 | { | |
596 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
597 | return; | |
598 | } | |
0a150c5c BM |
599 | |
600 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
601 | { | |
602 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
603 | ||
604 | str->error = (unsigned long)i; | |
605 | if (str->string == NULL) | |
606 | { | |
607 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
608 | char *src = strerror(i); | |
609 | if (src != NULL) | |
610 | { | |
611 | strncpy(*dest, src, sizeof *dest); | |
612 | (*dest)[sizeof *dest - 1] = '\0'; | |
613 | str->string = *dest; | |
614 | } | |
615 | } | |
616 | if (str->string == NULL) | |
617 | str->string = "unknown"; | |
618 | } | |
619 | ||
620 | /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
621 | * as required by ERR_load_strings. */ | |
622 | ||
cf5bfbfc BM |
623 | init = 0; |
624 | ||
78f79235 | 625 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0a150c5c | 626 | } |
d02b48c6 RE |
627 | #endif |
628 | ||
58964a49 | 629 | #define err_clear_data(p,i) \ |
54f64516 | 630 | do { \ |
58964a49 RE |
631 | if (((p)->err_data[i] != NULL) && \ |
632 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
633 | { \ | |
26a3a48d | 634 | OPENSSL_free((p)->err_data[i]); \ |
58964a49 RE |
635 | (p)->err_data[i]=NULL; \ |
636 | } \ | |
54f64516 RL |
637 | (p)->err_data_flags[i]=0; \ |
638 | } while(0) | |
639 | ||
640 | #define err_clear(p,i) \ | |
641 | do { \ | |
a5e8bcfb RL |
642 | (p)->err_flags[i]=0; \ |
643 | (p)->err_buffer[i]=0; \ | |
54f64516 | 644 | err_clear_data(p,i); \ |
a5e8bcfb RL |
645 | (p)->err_file[i]=NULL; \ |
646 | (p)->err_line[i]= -1; \ | |
54f64516 | 647 | } while(0) |
58964a49 | 648 | |
6b691a5c | 649 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
650 | { |
651 | int i; | |
652 | ||
78f79235 | 653 | if (s == NULL) |
e03ddfae BL |
654 | return; |
655 | ||
58964a49 RE |
656 | for (i=0; i<ERR_NUM_ERRORS; i++) |
657 | { | |
658 | err_clear_data(s,i); | |
659 | } | |
26a3a48d | 660 | OPENSSL_free(s); |
58964a49 RE |
661 | } |
662 | ||
6b691a5c | 663 | void ERR_load_ERR_strings(void) |
d02b48c6 | 664 | { |
cf5bfbfc | 665 | err_fns_check(); |
cf1b7d96 | 666 | #ifndef OPENSSL_NO_ERR |
cf5bfbfc BM |
667 | err_load_strings(0,ERR_str_libraries); |
668 | err_load_strings(0,ERR_str_reasons); | |
669 | err_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
670 | build_SYS_str_reasons(); | |
671 | err_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
d02b48c6 | 672 | #endif |
d02b48c6 RE |
673 | } |
674 | ||
cf5bfbfc | 675 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 | 676 | { |
d02b48c6 RE |
677 | while (str->error) |
678 | { | |
bc3cae7e DSH |
679 | if (lib) |
680 | str->error|=ERR_PACK(lib,0,0); | |
566bdf2b | 681 | ERRFN(err_set_item)(str); |
d02b48c6 RE |
682 | str++; |
683 | } | |
d02b48c6 RE |
684 | } |
685 | ||
cf5bfbfc BM |
686 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
687 | { | |
e4decc41 | 688 | ERR_load_ERR_strings(); |
cf5bfbfc BM |
689 | err_load_strings(lib, str); |
690 | } | |
691 | ||
1738bb61 GT |
692 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
693 | { | |
78f79235 | 694 | while (str->error) |
1738bb61 | 695 | { |
bc3cae7e DSH |
696 | if (lib) |
697 | str->error|=ERR_PACK(lib,0,0); | |
1738bb61 GT |
698 | ERRFN(err_del_item)(str); |
699 | str++; | |
700 | } | |
701 | } | |
702 | ||
6b691a5c | 703 | void ERR_free_strings(void) |
d02b48c6 | 704 | { |
566bdf2b GT |
705 | err_fns_check(); |
706 | ERRFN(err_del)(); | |
d02b48c6 RE |
707 | } |
708 | ||
58964a49 RE |
709 | /********************************************************/ |
710 | ||
6b691a5c UM |
711 | void ERR_put_error(int lib, int func, int reason, const char *file, |
712 | int line) | |
d02b48c6 RE |
713 | { |
714 | ERR_STATE *es; | |
715 | ||
a53955d8 UM |
716 | #ifdef _OSD_POSIX |
717 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
718 | * path names in the form "*POSIX(/etc/passwd)". | |
719 | * This dirty hack strips them to something sensible. | |
720 | * @@@ We shouldn't modify a const string, though. | |
721 | */ | |
722 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
723 | char *end; | |
724 | ||
725 | /* Skip the "*POSIX(" prefix */ | |
726 | file += sizeof("*POSIX(")-1; | |
727 | end = &file[strlen(file)-1]; | |
728 | if (*end == ')') | |
729 | *end = '\0'; | |
730 | /* Optional: use the basename of the path only. */ | |
731 | if ((end = strrchr(file, '/')) != NULL) | |
732 | file = &end[1]; | |
733 | } | |
734 | #endif | |
d02b48c6 RE |
735 | es=ERR_get_state(); |
736 | ||
737 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
738 | if (es->top == es->bottom) | |
739 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
54f64516 | 740 | es->err_flags[es->top]=0; |
d02b48c6 RE |
741 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); |
742 | es->err_file[es->top]=file; | |
743 | es->err_line[es->top]=line; | |
58964a49 | 744 | err_clear_data(es,es->top); |
d02b48c6 RE |
745 | } |
746 | ||
6b691a5c | 747 | void ERR_clear_error(void) |
d02b48c6 | 748 | { |
5d809414 | 749 | int i; |
d02b48c6 RE |
750 | ERR_STATE *es; |
751 | ||
752 | es=ERR_get_state(); | |
753 | ||
754 | for (i=0; i<ERR_NUM_ERRORS; i++) | |
755 | { | |
54f64516 | 756 | err_clear(es,i); |
d02b48c6 RE |
757 | } |
758 | es->top=es->bottom=0; | |
759 | } | |
760 | ||
d02b48c6 | 761 | |
6b691a5c | 762 | unsigned long ERR_get_error(void) |
a14e2d9d | 763 | { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 764 | |
6b691a5c UM |
765 | unsigned long ERR_get_error_line(const char **file, |
766 | int *line) | |
a14e2d9d | 767 | { return(get_error_values(1,0,file,line,NULL,NULL)); } |
d02b48c6 | 768 | |
6b691a5c UM |
769 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
770 | const char **data, int *flags) | |
a14e2d9d | 771 | { return(get_error_values(1,0,file,line,data,flags)); } |
d02b48c6 | 772 | |
273db408 | 773 | |
6b691a5c | 774 | unsigned long ERR_peek_error(void) |
a14e2d9d | 775 | { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 776 | |
a14e2d9d BM |
777 | unsigned long ERR_peek_error_line(const char **file, int *line) |
778 | { return(get_error_values(0,0,file,line,NULL,NULL)); } | |
0fc5cf08 | 779 | |
6b691a5c UM |
780 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
781 | const char **data, int *flags) | |
a14e2d9d BM |
782 | { return(get_error_values(0,0,file,line,data,flags)); } |
783 | ||
273db408 BM |
784 | |
785 | unsigned long ERR_peek_last_error(void) | |
786 | { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); } | |
787 | ||
788 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
789 | { return(get_error_values(0,1,file,line,NULL,NULL)); } | |
790 | ||
a14e2d9d BM |
791 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
792 | const char **data, int *flags) | |
793 | { return(get_error_values(0,1,file,line,data,flags)); } | |
6b691a5c | 794 | |
273db408 | 795 | |
a14e2d9d | 796 | static unsigned long get_error_values(int inc, int top, const char **file, int *line, |
6b691a5c | 797 | const char **data, int *flags) |
58964a49 RE |
798 | { |
799 | int i=0; | |
d02b48c6 | 800 | ERR_STATE *es; |
58964a49 | 801 | unsigned long ret; |
d02b48c6 RE |
802 | |
803 | es=ERR_get_state(); | |
804 | ||
a14e2d9d BM |
805 | if (inc && top) |
806 | { | |
807 | if (file) *file = ""; | |
808 | if (line) *line = 0; | |
809 | if (data) *data = ""; | |
810 | if (flags) *flags = 0; | |
811 | ||
812 | return ERR_R_INTERNAL_ERROR; | |
813 | } | |
814 | ||
78f79235 | 815 | if (es->bottom == es->top) return 0; |
a14e2d9d | 816 | if (top) |
016029c6 | 817 | i=es->top; /* last error */ |
a14e2d9d BM |
818 | else |
819 | i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */ | |
58964a49 RE |
820 | |
821 | ret=es->err_buffer[i]; | |
822 | if (inc) | |
d02b48c6 | 823 | { |
58964a49 RE |
824 | es->bottom=i; |
825 | es->err_buffer[i]=0; | |
d02b48c6 | 826 | } |
58964a49 RE |
827 | |
828 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 829 | { |
58964a49 RE |
830 | if (es->err_file[i] == NULL) |
831 | { | |
832 | *file="NA"; | |
833 | if (line != NULL) *line=0; | |
834 | } | |
835 | else | |
836 | { | |
837 | *file=es->err_file[i]; | |
838 | if (line != NULL) *line=es->err_line[i]; | |
839 | } | |
d02b48c6 | 840 | } |
d02b48c6 | 841 | |
f51cf14b BM |
842 | if (data == NULL) |
843 | { | |
d3ee37c5 | 844 | if (inc) |
f51cf14b | 845 | { |
d3ee37c5 | 846 | err_clear_data(es, i); |
f51cf14b BM |
847 | } |
848 | } | |
849 | else | |
58964a49 RE |
850 | { |
851 | if (es->err_data[i] == NULL) | |
852 | { | |
853 | *data=""; | |
854 | if (flags != NULL) *flags=0; | |
855 | } | |
856 | else | |
857 | { | |
858 | *data=es->err_data[i]; | |
859 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
860 | } | |
861 | } | |
78f79235 | 862 | return ret; |
d02b48c6 RE |
863 | } |
864 | ||
e5c84d51 | 865 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
d02b48c6 | 866 | { |
e5c84d51 | 867 | char lsbuf[64], fsbuf[64], rsbuf[64]; |
e778802f | 868 | const char *ls,*fs,*rs; |
d02b48c6 | 869 | unsigned long l,f,r; |
d02b48c6 RE |
870 | |
871 | l=ERR_GET_LIB(e); | |
872 | f=ERR_GET_FUNC(e); | |
873 | r=ERR_GET_REASON(e); | |
874 | ||
875 | ls=ERR_lib_error_string(e); | |
876 | fs=ERR_func_error_string(e); | |
877 | rs=ERR_reason_error_string(e); | |
878 | ||
e5c84d51 BM |
879 | if (ls == NULL) |
880 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
d02b48c6 | 881 | if (fs == NULL) |
e5c84d51 | 882 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
d02b48c6 | 883 | if (rs == NULL) |
e5c84d51 BM |
884 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
885 | ||
886 | BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
887 | fs?fs:fsbuf, rs?rs:rsbuf); | |
888 | if (strlen(buf) == len-1) | |
889 | { | |
890 | /* output may be truncated; make sure we always have 5 | |
891 | * colon-separated fields, i.e. 4 colons ... */ | |
892 | #define NUM_COLONS 4 | |
893 | if (len > NUM_COLONS) /* ... if possible */ | |
894 | { | |
895 | int i; | |
896 | char *s = buf; | |
897 | ||
898 | for (i = 0; i < NUM_COLONS; i++) | |
899 | { | |
900 | char *colon = strchr(s, ':'); | |
901 | if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) | |
902 | { | |
903 | /* set colon no. i at last possible position | |
904 | * (buf[len-1] is the terminating 0)*/ | |
905 | colon = &buf[len-1] - NUM_COLONS + i; | |
906 | *colon = ':'; | |
907 | } | |
908 | s = colon + 1; | |
909 | } | |
910 | } | |
911 | } | |
912 | } | |
913 | ||
914 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
915 | /* ERR_error_string_n should be used instead for ret != NULL | |
916 | * as ERR_error_string cannot know how large the buffer is */ | |
917 | char *ERR_error_string(unsigned long e, char *ret) | |
918 | { | |
919 | static char buf[256]; | |
920 | ||
921 | if (ret == NULL) ret=buf; | |
065866b2 | 922 | ERR_error_string_n(e, ret, 256); |
d02b48c6 | 923 | |
78f79235 | 924 | return ret; |
d02b48c6 RE |
925 | } |
926 | ||
3c1d6bbc | 927 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
d02b48c6 | 928 | { |
566bdf2b | 929 | err_fns_check(); |
9f29ec47 | 930 | return ERRFN(err_get)(0); |
d02b48c6 RE |
931 | } |
932 | ||
3c1d6bbc | 933 | LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void) |
d02b48c6 | 934 | { |
566bdf2b | 935 | err_fns_check(); |
9f29ec47 | 936 | return ERRFN(thread_get)(0); |
d02b48c6 RE |
937 | } |
938 | ||
3c1d6bbc | 939 | void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash) |
11171f3c RL |
940 | { |
941 | err_fns_check(); | |
942 | ERRFN(thread_release)(hash); | |
943 | } | |
944 | ||
6b691a5c | 945 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 | 946 | { |
566bdf2b | 947 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
948 | unsigned long l; |
949 | ||
566bdf2b | 950 | err_fns_check(); |
d02b48c6 | 951 | l=ERR_GET_LIB(e); |
566bdf2b GT |
952 | d.error=ERR_PACK(l,0,0); |
953 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
954 | return((p == NULL)?NULL:p->string); |
955 | } | |
956 | ||
6b691a5c | 957 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 | 958 | { |
566bdf2b | 959 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
960 | unsigned long l,f; |
961 | ||
566bdf2b | 962 | err_fns_check(); |
d02b48c6 RE |
963 | l=ERR_GET_LIB(e); |
964 | f=ERR_GET_FUNC(e); | |
566bdf2b GT |
965 | d.error=ERR_PACK(l,f,0); |
966 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
967 | return((p == NULL)?NULL:p->string); |
968 | } | |
969 | ||
6b691a5c | 970 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
971 | { |
972 | ERR_STRING_DATA d,*p=NULL; | |
973 | unsigned long l,r; | |
974 | ||
566bdf2b | 975 | err_fns_check(); |
d02b48c6 RE |
976 | l=ERR_GET_LIB(e); |
977 | r=ERR_GET_REASON(e); | |
566bdf2b GT |
978 | d.error=ERR_PACK(l,0,r); |
979 | p=ERRFN(err_get_item)(&d); | |
78f79235 | 980 | if (!p) |
d02b48c6 | 981 | { |
566bdf2b GT |
982 | d.error=ERR_PACK(0,0,r); |
983 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 | 984 | } |
d02b48c6 RE |
985 | return((p == NULL)?NULL:p->string); |
986 | } | |
987 | ||
4c329696 | 988 | void ERR_remove_thread_state(const CRYPTO_THREADID *id) |
d02b48c6 | 989 | { |
566bdf2b | 990 | ERR_STATE tmp; |
78f79235 | 991 | |
4c329696 GT |
992 | if (id) |
993 | CRYPTO_THREADID_cpy(&tmp.tid, id); | |
5f834ab1 | 994 | else |
4c329696 GT |
995 | CRYPTO_THREADID_current(&tmp.tid); |
996 | err_fns_check(); | |
566bdf2b GT |
997 | /* thread_del_item automatically destroys the LHASH if the number of |
998 | * items reaches zero. */ | |
999 | ERRFN(thread_del_item)(&tmp); | |
d02b48c6 RE |
1000 | } |
1001 | ||
4c329696 GT |
1002 | #ifndef OPENSSL_NO_DEPRECATED |
1003 | void ERR_remove_state(unsigned long pid) | |
1004 | { | |
1005 | ERR_remove_thread_state(NULL); | |
1006 | } | |
1007 | #endif | |
1008 | ||
6b691a5c | 1009 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
1010 | { |
1011 | static ERR_STATE fallback; | |
566bdf2b | 1012 | ERR_STATE *ret,tmp,*tmpp=NULL; |
58964a49 | 1013 | int i; |
4c329696 | 1014 | CRYPTO_THREADID tid; |
78f79235 | 1015 | |
566bdf2b | 1016 | err_fns_check(); |
4c329696 GT |
1017 | CRYPTO_THREADID_current(&tid); |
1018 | CRYPTO_THREADID_cpy(&tmp.tid, &tid); | |
566bdf2b | 1019 | ret=ERRFN(thread_get_item)(&tmp); |
d02b48c6 RE |
1020 | |
1021 | /* ret == the error state, if NULL, make a new one */ | |
1022 | if (ret == NULL) | |
1023 | { | |
26a3a48d | 1024 | ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); |
d02b48c6 | 1025 | if (ret == NULL) return(&fallback); |
4c329696 | 1026 | CRYPTO_THREADID_cpy(&ret->tid, &tid); |
d02b48c6 RE |
1027 | ret->top=0; |
1028 | ret->bottom=0; | |
58964a49 RE |
1029 | for (i=0; i<ERR_NUM_ERRORS; i++) |
1030 | { | |
1031 | ret->err_data[i]=NULL; | |
1032 | ret->err_data_flags[i]=0; | |
1033 | } | |
566bdf2b GT |
1034 | tmpp = ERRFN(thread_set_item)(ret); |
1035 | /* To check if insertion failed, do a get. */ | |
78f79235 | 1036 | if (ERRFN(thread_get_item)(ret) != ret) |
dcba2534 BM |
1037 | { |
1038 | ERR_STATE_free(ret); /* could not insert it */ | |
1039 | return(&fallback); | |
1040 | } | |
478b50cf | 1041 | /* If a race occurred in this function and we came second, tmpp |
566bdf2b | 1042 | * is the first one that we just replaced. */ |
78f79235 | 1043 | if (tmpp) |
58964a49 | 1044 | ERR_STATE_free(tmpp); |
d02b48c6 | 1045 | } |
78f79235 | 1046 | return ret; |
d02b48c6 RE |
1047 | } |
1048 | ||
6b691a5c | 1049 | int ERR_get_next_error_library(void) |
58964a49 | 1050 | { |
566bdf2b GT |
1051 | err_fns_check(); |
1052 | return ERRFN(get_next_lib)(); | |
58964a49 RE |
1053 | } |
1054 | ||
6b691a5c | 1055 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
1056 | { |
1057 | ERR_STATE *es; | |
1058 | int i; | |
1059 | ||
1060 | es=ERR_get_state(); | |
1061 | ||
1062 | i=es->top; | |
1063 | if (i == 0) | |
1064 | i=ERR_NUM_ERRORS-1; | |
1065 | ||
5d809414 | 1066 | err_clear_data(es,i); |
58964a49 | 1067 | es->err_data[i]=data; |
5d809414 | 1068 | es->err_data_flags[i]=flags; |
58964a49 RE |
1069 | } |
1070 | ||
4565c3e3 | 1071 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 1072 | { |
4565c3e3 | 1073 | va_list args; |
78c45722 DSH |
1074 | va_start(args, num); |
1075 | ERR_add_error_vdata(num, args); | |
1076 | va_end(args); | |
1077 | } | |
1078 | ||
1079 | void ERR_add_error_vdata(int num, va_list args) | |
1080 | { | |
58964a49 RE |
1081 | int i,n,s; |
1082 | char *str,*p,*a; | |
1083 | ||
5d809414 | 1084 | s=80; |
26a3a48d | 1085 | str=OPENSSL_malloc(s+1); |
58964a49 RE |
1086 | if (str == NULL) return; |
1087 | str[0]='\0'; | |
1088 | ||
58964a49 RE |
1089 | n=0; |
1090 | for (i=0; i<num; i++) | |
1091 | { | |
4565c3e3 | 1092 | a=va_arg(args, char*); |
dfeab068 RE |
1093 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
1094 | if (a != NULL) | |
58964a49 | 1095 | { |
dfeab068 RE |
1096 | n+=strlen(a); |
1097 | if (n > s) | |
58964a49 | 1098 | { |
dfeab068 | 1099 | s=n+20; |
26a3a48d | 1100 | p=OPENSSL_realloc(str,s+1); |
dfeab068 RE |
1101 | if (p == NULL) |
1102 | { | |
26a3a48d | 1103 | OPENSSL_free(str); |
78c45722 | 1104 | return; |
dfeab068 RE |
1105 | } |
1106 | else | |
1107 | str=p; | |
58964a49 | 1108 | } |
70f34a58 | 1109 | BUF_strlcat(str,a,(size_t)s+1); |
58964a49 | 1110 | } |
58964a49 RE |
1111 | } |
1112 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
58964a49 | 1113 | } |
54f64516 RL |
1114 | |
1115 | int ERR_set_mark(void) | |
1116 | { | |
54f64516 RL |
1117 | ERR_STATE *es; |
1118 | ||
1119 | es=ERR_get_state(); | |
1120 | ||
1121 | if (es->bottom == es->top) return 0; | |
1122 | es->err_flags[es->top]|=ERR_FLAG_MARK; | |
1123 | return 1; | |
1124 | } | |
1125 | ||
1126 | int ERR_pop_to_mark(void) | |
1127 | { | |
54f64516 RL |
1128 | ERR_STATE *es; |
1129 | ||
1130 | es=ERR_get_state(); | |
1131 | ||
1132 | while(es->bottom != es->top | |
1133 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) | |
1134 | { | |
1135 | err_clear(es,es->top); | |
1136 | es->top-=1; | |
8c5a2bd6 | 1137 | if (es->top == -1) es->top=ERR_NUM_ERRORS-1; |
54f64516 RL |
1138 | } |
1139 | ||
1140 | if (es->bottom == es->top) return 0; | |
1141 | es->err_flags[es->top]&=~ERR_FLAG_MARK; | |
1142 | return 1; | |
1143 | } |