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d02b48c6 | 1 | /* crypto/err/err.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
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 RE |
111 | |
112 | #include <stdio.h> | |
4565c3e3 | 113 | #include <stdarg.h> |
0a150c5c | 114 | #include <string.h> |
25a66ee3 | 115 | #include "cryptlib.h" |
ec577822 BM |
116 | #include <openssl/lhash.h> |
117 | #include <openssl/crypto.h> | |
ec577822 | 118 | #include <openssl/buffer.h> |
e5c84d51 | 119 | #include <openssl/bio.h> |
dcba2534 | 120 | #include <openssl/err.h> |
d02b48c6 | 121 | |
3c1d6bbc BL |
122 | DECLARE_LHASH_OF(ERR_STRING_DATA); |
123 | DECLARE_LHASH_OF(ERR_STATE); | |
124 | ||
cf5bfbfc BM |
125 | static void err_load_strings(int lib, ERR_STRING_DATA *str); |
126 | ||
58964a49 | 127 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 128 | #ifndef OPENSSL_NO_ERR |
d02b48c6 RE |
129 | static ERR_STRING_DATA ERR_str_libraries[]= |
130 | { | |
131 | {ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"}, | |
132 | {ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"}, | |
133 | {ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"}, | |
134 | {ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"}, | |
135 | {ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"}, | |
136 | {ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"}, | |
137 | {ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"}, | |
d02b48c6 RE |
138 | {ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"}, |
139 | {ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"}, | |
5277d7cb | 140 | {ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"}, |
d02b48c6 | 141 | {ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"}, |
5277d7cb | 142 | {ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"}, |
657e60fa | 143 | {ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"}, |
5277d7cb BM |
144 | {ERR_PACK(ERR_LIB_CRYPTO,0,0) ,"common libcrypto routines"}, |
145 | {ERR_PACK(ERR_LIB_EC,0,0) ,"elliptic curve routines"}, | |
d02b48c6 | 146 | {ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"}, |
d02b48c6 RE |
147 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, |
148 | {ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"}, | |
834eeef9 | 149 | {ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"}, |
67d5ac03 | 150 | {ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"}, |
eb952088 | 151 | {ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"}, |
9ec0126e | 152 | {ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"}, |
c7235be6 | 153 | {ERR_PACK(ERR_LIB_TS,0,0) ,"time stamp routines"}, |
5270e702 | 154 | {ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"}, |
8e961835 | 155 | {ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"}, |
74633553 | 156 | {ERR_PACK(ERR_LIB_HMAC,0,0) ,"HMAC routines"}, |
8931b30d | 157 | {ERR_PACK(ERR_LIB_CMS,0,0) ,"CMS routines"}, |
d02b48c6 RE |
158 | {0,NULL}, |
159 | }; | |
160 | ||
161 | static ERR_STRING_DATA ERR_str_functs[]= | |
162 | { | |
163 | {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, | |
164 | {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, | |
165 | {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, | |
166 | {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, | |
167 | {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, | |
168 | {ERR_PACK(0,SYS_F_BIND,0), "bind"}, | |
169 | {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, | |
170 | {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, | |
bc36ee62 | 171 | #ifdef OPENSSL_SYS_WINDOWS |
d02b48c6 RE |
172 | {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, |
173 | #endif | |
a40f6dce | 174 | {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, |
d15711ef | 175 | {ERR_PACK(0,SYS_F_FREAD,0), "fread"}, |
d02b48c6 RE |
176 | {0,NULL}, |
177 | }; | |
178 | ||
179 | static ERR_STRING_DATA ERR_str_reasons[]= | |
180 | { | |
d02b48c6 RE |
181 | {ERR_R_SYS_LIB ,"system lib"}, |
182 | {ERR_R_BN_LIB ,"BN lib"}, | |
183 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
184 | {ERR_R_DH_LIB ,"DH lib"}, | |
185 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
186 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
d02b48c6 RE |
187 | {ERR_R_OBJ_LIB ,"OBJ lib"}, |
188 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
5277d7cb | 189 | {ERR_R_DSA_LIB ,"DSA lib"}, |
d02b48c6 | 190 | {ERR_R_X509_LIB ,"X509 lib"}, |
d02b48c6 RE |
191 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, |
192 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
5277d7cb BM |
193 | {ERR_R_CRYPTO_LIB ,"CRYPTO lib"}, |
194 | {ERR_R_EC_LIB ,"EC lib"}, | |
d02b48c6 | 195 | {ERR_R_SSL_LIB ,"SSL lib"}, |
d02b48c6 RE |
196 | {ERR_R_BIO_LIB ,"BIO lib"}, |
197 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
5277d7cb | 198 | {ERR_R_X509V3_LIB ,"X509V3 lib"}, |
67d5ac03 | 199 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
5277d7cb BM |
200 | {ERR_R_RAND_LIB ,"RAND lib"}, |
201 | {ERR_R_DSO_LIB ,"DSO lib"}, | |
202 | {ERR_R_ENGINE_LIB ,"ENGINE lib"}, | |
203 | {ERR_R_OCSP_LIB ,"OCSP lib"}, | |
c7235be6 | 204 | {ERR_R_TS_LIB ,"TS lib"}, |
5277d7cb | 205 | |
dfeab068 RE |
206 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, |
207 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
208 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
209 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
210 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
211 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
5277d7cb BM |
212 | |
213 | {ERR_R_FATAL ,"fatal"}, | |
214 | {ERR_R_MALLOC_FAILURE ,"malloc failure"}, | |
215 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, | |
216 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, | |
217 | {ERR_R_INTERNAL_ERROR ,"internal error"}, | |
819ff32d | 218 | {ERR_R_DISABLED ,"called a function that was disabled at compile-time"}, |
dfeab068 | 219 | |
d02b48c6 RE |
220 | {0,NULL}, |
221 | }; | |
758f942b | 222 | #endif |
0a150c5c BM |
223 | |
224 | ||
566bdf2b GT |
225 | /* Define the predeclared (but externally opaque) "ERR_FNS" type */ |
226 | struct st_ERR_FNS | |
227 | { | |
228 | /* Works on the "error_hash" string table */ | |
3c1d6bbc | 229 | LHASH_OF(ERR_STRING_DATA) *(*cb_err_get)(int create); |
566bdf2b GT |
230 | void (*cb_err_del)(void); |
231 | ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *); | |
232 | ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *); | |
1738bb61 | 233 | ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *); |
566bdf2b | 234 | /* Works on the "thread_hash" error-state table */ |
3c1d6bbc BL |
235 | LHASH_OF(ERR_STATE) *(*cb_thread_get)(int create); |
236 | void (*cb_thread_release)(LHASH_OF(ERR_STATE) **hash); | |
566bdf2b GT |
237 | ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *); |
238 | ERR_STATE *(*cb_thread_set_item)(ERR_STATE *); | |
239 | void (*cb_thread_del_item)(const ERR_STATE *); | |
240 | /* Returns the next available error "library" numbers */ | |
241 | int (*cb_get_next_lib)(void); | |
242 | }; | |
243 | ||
244 | /* Predeclarations of the "err_defaults" functions */ | |
3c1d6bbc | 245 | static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create); |
566bdf2b GT |
246 | static void int_err_del(void); |
247 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | |
248 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | |
1738bb61 | 249 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); |
3c1d6bbc BL |
250 | static LHASH_OF(ERR_STATE) *int_thread_get(int create); |
251 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash); | |
566bdf2b GT |
252 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
253 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
254 | static void int_thread_del_item(const ERR_STATE *); | |
255 | static int int_err_get_next_lib(void); | |
256 | /* The static ERR_FNS table using these defaults functions */ | |
257 | static const ERR_FNS err_defaults = | |
258 | { | |
259 | int_err_get, | |
260 | int_err_del, | |
261 | int_err_get_item, | |
262 | int_err_set_item, | |
1738bb61 | 263 | int_err_del_item, |
566bdf2b | 264 | int_thread_get, |
11171f3c | 265 | int_thread_release, |
566bdf2b GT |
266 | int_thread_get_item, |
267 | int_thread_set_item, | |
268 | int_thread_del_item, | |
269 | int_err_get_next_lib | |
270 | }; | |
271 | ||
272 | /* The replacable table of ERR_FNS functions we use at run-time */ | |
273 | static const ERR_FNS *err_fns = NULL; | |
274 | ||
275 | /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | |
276 | #define ERRFN(a) err_fns->cb_##a | |
277 | ||
278 | /* The internal state used by "err_defaults" - as such, the setting, reading, | |
279 | * creating, and deleting of this data should only be permitted via the | |
280 | * "err_defaults" functions. This way, a linked module can completely defer all | |
281 | * ERR state operation (together with requisite locking) to the implementations | |
282 | * and state in the loading application. */ | |
3c1d6bbc BL |
283 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
284 | static LHASH_OF(ERR_STATE) *int_thread_hash = NULL; | |
11171f3c | 285 | static int int_thread_hash_references = 0; |
78f79235 | 286 | static int int_err_library_number= ERR_LIB_USER; |
566bdf2b GT |
287 | |
288 | /* Internal function that checks whether "err_fns" is set and if not, sets it to | |
289 | * the defaults. */ | |
290 | static void err_fns_check(void) | |
291 | { | |
cf5bfbfc BM |
292 | if (err_fns) return; |
293 | ||
566bdf2b | 294 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
cf5bfbfc | 295 | if (!err_fns) |
566bdf2b GT |
296 | err_fns = &err_defaults; |
297 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
298 | } | |
299 | ||
300 | /* API functions to get or set the underlying ERR functions. */ | |
301 | ||
302 | const ERR_FNS *ERR_get_implementation(void) | |
303 | { | |
304 | err_fns_check(); | |
305 | return err_fns; | |
306 | } | |
307 | ||
308 | int ERR_set_implementation(const ERR_FNS *fns) | |
309 | { | |
78f79235 BM |
310 | int ret = 0; |
311 | ||
566bdf2b GT |
312 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
313 | /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting | |
314 | * an error is there?! */ | |
78f79235 | 315 | if (!err_fns) |
566bdf2b GT |
316 | { |
317 | err_fns = fns; | |
78f79235 | 318 | ret = 1; |
566bdf2b GT |
319 | } |
320 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 321 | return ret; |
566bdf2b GT |
322 | } |
323 | ||
324 | /* These are the callbacks provided to "lh_new()" when creating the LHASH tables | |
325 | * internal to the "err_defaults" implementation. */ | |
326 | ||
a14e2d9d | 327 | static unsigned long get_error_values(int inc,int top,const char **file,int *line, |
566bdf2b GT |
328 | const char **data,int *flags); |
329 | ||
330 | /* The internal functions used in the "err_defaults" implementation */ | |
331 | ||
3c1d6bbc | 332 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
566bdf2b | 333 | { |
3c1d6bbc BL |
334 | unsigned long ret,l; |
335 | ||
336 | l=a->error; | |
337 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); | |
338 | return(ret^ret%19*13); | |
339 | } | |
340 | static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA); | |
341 | ||
342 | static int err_string_data_cmp(const ERR_STRING_DATA *a, | |
343 | const ERR_STRING_DATA *b) | |
344 | { | |
345 | return (int)(a->error - b->error); | |
346 | } | |
347 | static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA); | |
348 | ||
349 | static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create) | |
350 | { | |
351 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
78f79235 | 352 | |
566bdf2b | 353 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
354 | if (!int_error_hash && create) |
355 | { | |
356 | CRYPTO_push_info("int_err_get (err.c)"); | |
3c1d6bbc | 357 | int_error_hash = lh_ERR_STRING_DATA_new(); |
9f29ec47 BM |
358 | CRYPTO_pop_info(); |
359 | } | |
78f79235 BM |
360 | if (int_error_hash) |
361 | ret = int_error_hash; | |
566bdf2b | 362 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
363 | |
364 | return ret; | |
566bdf2b | 365 | } |
567fef89 | 366 | |
566bdf2b GT |
367 | static void int_err_del(void) |
368 | { | |
369 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
78f79235 | 370 | if (int_error_hash) |
566bdf2b | 371 | { |
3c1d6bbc | 372 | lh_ERR_STRING_DATA_free(int_error_hash); |
566bdf2b | 373 | int_error_hash = NULL; |
566bdf2b GT |
374 | } |
375 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
376 | } | |
567fef89 | 377 | |
566bdf2b GT |
378 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
379 | { | |
380 | ERR_STRING_DATA *p; | |
3c1d6bbc | 381 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 382 | |
566bdf2b | 383 | err_fns_check(); |
9f29ec47 | 384 | hash = ERRFN(err_get)(0); |
78f79235 | 385 | if (!hash) |
566bdf2b | 386 | return NULL; |
78f79235 | 387 | |
566bdf2b | 388 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 389 | p = lh_ERR_STRING_DATA_retrieve(hash, d); |
566bdf2b | 390 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 391 | |
566bdf2b GT |
392 | return p; |
393 | } | |
567fef89 | 394 | |
566bdf2b GT |
395 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) |
396 | { | |
397 | ERR_STRING_DATA *p; | |
3c1d6bbc | 398 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 399 | |
566bdf2b | 400 | err_fns_check(); |
9f29ec47 | 401 | hash = ERRFN(err_get)(1); |
78f79235 | 402 | if (!hash) |
566bdf2b | 403 | return NULL; |
78f79235 | 404 | |
567fef89 | 405 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 406 | p = lh_ERR_STRING_DATA_insert(hash, d); |
567fef89 | 407 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 408 | |
566bdf2b GT |
409 | return p; |
410 | } | |
567fef89 | 411 | |
1738bb61 GT |
412 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) |
413 | { | |
414 | ERR_STRING_DATA *p; | |
3c1d6bbc | 415 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 416 | |
1738bb61 | 417 | err_fns_check(); |
9f29ec47 | 418 | hash = ERRFN(err_get)(0); |
78f79235 | 419 | if (!hash) |
1738bb61 | 420 | return NULL; |
78f79235 | 421 | |
567fef89 | 422 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 423 | p = lh_ERR_STRING_DATA_delete(hash, d); |
567fef89 | 424 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 425 | |
1738bb61 GT |
426 | return p; |
427 | } | |
567fef89 | 428 | |
3c1d6bbc BL |
429 | static unsigned long err_state_hash(const ERR_STATE *a) |
430 | { | |
431 | return CRYPTO_THREADID_hash(&a->tid); | |
432 | } | |
433 | static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE); | |
434 | ||
435 | static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b) | |
436 | { | |
437 | return CRYPTO_THREADID_cmp(&a->tid, &b->tid); | |
438 | } | |
439 | static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE); | |
440 | ||
441 | static LHASH_OF(ERR_STATE) *int_thread_get(int create) | |
566bdf2b | 442 | { |
3c1d6bbc | 443 | LHASH_OF(ERR_STATE) *ret = NULL; |
78f79235 | 444 | |
566bdf2b | 445 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
446 | if (!int_thread_hash && create) |
447 | { | |
448 | CRYPTO_push_info("int_thread_get (err.c)"); | |
3c1d6bbc | 449 | int_thread_hash = lh_ERR_STATE_new(); |
9f29ec47 BM |
450 | CRYPTO_pop_info(); |
451 | } | |
78f79235 | 452 | if (int_thread_hash) |
11171f3c RL |
453 | { |
454 | int_thread_hash_references++; | |
78f79235 | 455 | ret = int_thread_hash; |
11171f3c | 456 | } |
566bdf2b | 457 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 458 | return ret; |
566bdf2b | 459 | } |
567fef89 | 460 | |
3c1d6bbc | 461 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash) |
11171f3c RL |
462 | { |
463 | int i; | |
464 | ||
465 | if (hash == NULL || *hash == NULL) | |
466 | return; | |
467 | ||
468 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); | |
469 | ||
470 | #ifdef REF_PRINT | |
471 | fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR"); | |
472 | #endif | |
473 | if (i > 0) return; | |
474 | #ifdef REF_CHECK | |
475 | if (i < 0) | |
476 | { | |
477 | fprintf(stderr,"int_thread_release, bad reference count\n"); | |
478 | abort(); /* ok */ | |
479 | } | |
480 | #endif | |
481 | *hash = NULL; | |
482 | } | |
483 | ||
566bdf2b GT |
484 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
485 | { | |
486 | ERR_STATE *p; | |
3c1d6bbc | 487 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 488 | |
566bdf2b | 489 | err_fns_check(); |
9f29ec47 | 490 | hash = ERRFN(thread_get)(0); |
78f79235 | 491 | if (!hash) |
566bdf2b | 492 | return NULL; |
78f79235 | 493 | |
566bdf2b | 494 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 495 | p = lh_ERR_STATE_retrieve(hash, d); |
566bdf2b | 496 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 497 | |
11171f3c | 498 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
499 | return p; |
500 | } | |
567fef89 | 501 | |
566bdf2b GT |
502 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
503 | { | |
504 | ERR_STATE *p; | |
3c1d6bbc | 505 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 506 | |
566bdf2b | 507 | err_fns_check(); |
9f29ec47 | 508 | hash = ERRFN(thread_get)(1); |
78f79235 | 509 | if (!hash) |
566bdf2b | 510 | return NULL; |
78f79235 | 511 | |
567fef89 | 512 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 513 | p = lh_ERR_STATE_insert(hash, d); |
567fef89 | 514 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 515 | |
11171f3c | 516 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
517 | return p; |
518 | } | |
567fef89 | 519 | |
566bdf2b GT |
520 | static void int_thread_del_item(const ERR_STATE *d) |
521 | { | |
522 | ERR_STATE *p; | |
3c1d6bbc | 523 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 524 | |
566bdf2b | 525 | err_fns_check(); |
9f29ec47 | 526 | hash = ERRFN(thread_get)(0); |
78f79235 | 527 | if (!hash) |
566bdf2b | 528 | return; |
78f79235 | 529 | |
566bdf2b | 530 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 531 | p = lh_ERR_STATE_delete(hash, d); |
566bdf2b | 532 | /* make sure we don't leak memory */ |
11171f3c | 533 | if (int_thread_hash_references == 1 |
3c1d6bbc | 534 | && int_thread_hash && lh_ERR_STATE_num_items(int_thread_hash) == 0) |
566bdf2b | 535 | { |
3c1d6bbc | 536 | lh_ERR_STATE_free(int_thread_hash); |
566bdf2b | 537 | int_thread_hash = NULL; |
566bdf2b GT |
538 | } |
539 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 540 | |
11171f3c | 541 | ERRFN(thread_release)(&hash); |
78f79235 | 542 | if (p) |
566bdf2b GT |
543 | ERR_STATE_free(p); |
544 | } | |
567fef89 | 545 | |
566bdf2b GT |
546 | static int int_err_get_next_lib(void) |
547 | { | |
78f79235 BM |
548 | int ret; |
549 | ||
566bdf2b | 550 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
78f79235 | 551 | ret = int_err_library_number++; |
566bdf2b | 552 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
553 | |
554 | return ret; | |
566bdf2b GT |
555 | } |
556 | ||
557 | ||
758f942b | 558 | #ifndef OPENSSL_NO_ERR |
0a150c5c BM |
559 | #define NUM_SYS_STR_REASONS 127 |
560 | #define LEN_SYS_STR_REASON 32 | |
561 | ||
562 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
563 | /* SYS_str_reasons is filled with copies of strerror() results at | |
564 | * initialization. | |
565 | * 'errno' values up to 127 should cover all usual errors, | |
566 | * others will be displayed numerically by ERR_error_string. | |
567 | * It is crucial that we have something for each reason code | |
568 | * that occurs in ERR_str_reasons, or bogus reason strings | |
569 | * will be returned for SYSerr(), which always gets an errno | |
570 | * value and never one of those 'standard' reason codes. */ | |
571 | ||
41a15c4f | 572 | static void build_SYS_str_reasons(void) |
0a150c5c | 573 | { |
26a3a48d | 574 | /* OPENSSL_malloc cannot be used here, use static storage instead */ |
0a150c5c BM |
575 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; |
576 | int i; | |
cf5bfbfc BM |
577 | static int init = 1; |
578 | ||
675f605d BM |
579 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
580 | if (!init) | |
581 | { | |
582 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
583 | return; | |
584 | } | |
585 | ||
586 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 587 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
675f605d BM |
588 | if (!init) |
589 | { | |
590 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
591 | return; | |
592 | } | |
0a150c5c BM |
593 | |
594 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
595 | { | |
596 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
597 | ||
598 | str->error = (unsigned long)i; | |
599 | if (str->string == NULL) | |
600 | { | |
601 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
602 | char *src = strerror(i); | |
603 | if (src != NULL) | |
604 | { | |
605 | strncpy(*dest, src, sizeof *dest); | |
606 | (*dest)[sizeof *dest - 1] = '\0'; | |
607 | str->string = *dest; | |
608 | } | |
609 | } | |
610 | if (str->string == NULL) | |
611 | str->string = "unknown"; | |
612 | } | |
613 | ||
614 | /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
615 | * as required by ERR_load_strings. */ | |
616 | ||
cf5bfbfc BM |
617 | init = 0; |
618 | ||
78f79235 | 619 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0a150c5c | 620 | } |
d02b48c6 RE |
621 | #endif |
622 | ||
58964a49 | 623 | #define err_clear_data(p,i) \ |
54f64516 | 624 | do { \ |
58964a49 RE |
625 | if (((p)->err_data[i] != NULL) && \ |
626 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
627 | { \ | |
26a3a48d | 628 | OPENSSL_free((p)->err_data[i]); \ |
58964a49 RE |
629 | (p)->err_data[i]=NULL; \ |
630 | } \ | |
54f64516 RL |
631 | (p)->err_data_flags[i]=0; \ |
632 | } while(0) | |
633 | ||
634 | #define err_clear(p,i) \ | |
635 | do { \ | |
a5e8bcfb RL |
636 | (p)->err_flags[i]=0; \ |
637 | (p)->err_buffer[i]=0; \ | |
54f64516 | 638 | err_clear_data(p,i); \ |
a5e8bcfb RL |
639 | (p)->err_file[i]=NULL; \ |
640 | (p)->err_line[i]= -1; \ | |
54f64516 | 641 | } while(0) |
58964a49 | 642 | |
6b691a5c | 643 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
644 | { |
645 | int i; | |
646 | ||
78f79235 | 647 | if (s == NULL) |
e03ddfae BL |
648 | return; |
649 | ||
58964a49 RE |
650 | for (i=0; i<ERR_NUM_ERRORS; i++) |
651 | { | |
652 | err_clear_data(s,i); | |
653 | } | |
26a3a48d | 654 | OPENSSL_free(s); |
58964a49 RE |
655 | } |
656 | ||
6b691a5c | 657 | void ERR_load_ERR_strings(void) |
d02b48c6 | 658 | { |
cf5bfbfc | 659 | err_fns_check(); |
cf1b7d96 | 660 | #ifndef OPENSSL_NO_ERR |
cf5bfbfc BM |
661 | err_load_strings(0,ERR_str_libraries); |
662 | err_load_strings(0,ERR_str_reasons); | |
663 | err_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
664 | build_SYS_str_reasons(); | |
665 | err_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
d02b48c6 | 666 | #endif |
d02b48c6 RE |
667 | } |
668 | ||
cf5bfbfc | 669 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 | 670 | { |
d02b48c6 RE |
671 | while (str->error) |
672 | { | |
bc3cae7e DSH |
673 | if (lib) |
674 | str->error|=ERR_PACK(lib,0,0); | |
566bdf2b | 675 | ERRFN(err_set_item)(str); |
d02b48c6 RE |
676 | str++; |
677 | } | |
d02b48c6 RE |
678 | } |
679 | ||
cf5bfbfc BM |
680 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
681 | { | |
e4decc41 | 682 | ERR_load_ERR_strings(); |
cf5bfbfc BM |
683 | err_load_strings(lib, str); |
684 | } | |
685 | ||
1738bb61 GT |
686 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
687 | { | |
78f79235 | 688 | while (str->error) |
1738bb61 | 689 | { |
bc3cae7e DSH |
690 | if (lib) |
691 | str->error|=ERR_PACK(lib,0,0); | |
1738bb61 GT |
692 | ERRFN(err_del_item)(str); |
693 | str++; | |
694 | } | |
695 | } | |
696 | ||
6b691a5c | 697 | void ERR_free_strings(void) |
d02b48c6 | 698 | { |
566bdf2b GT |
699 | err_fns_check(); |
700 | ERRFN(err_del)(); | |
d02b48c6 RE |
701 | } |
702 | ||
58964a49 RE |
703 | /********************************************************/ |
704 | ||
6b691a5c UM |
705 | void ERR_put_error(int lib, int func, int reason, const char *file, |
706 | int line) | |
d02b48c6 RE |
707 | { |
708 | ERR_STATE *es; | |
709 | ||
a53955d8 UM |
710 | #ifdef _OSD_POSIX |
711 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
712 | * path names in the form "*POSIX(/etc/passwd)". | |
713 | * This dirty hack strips them to something sensible. | |
714 | * @@@ We shouldn't modify a const string, though. | |
715 | */ | |
716 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
717 | char *end; | |
718 | ||
719 | /* Skip the "*POSIX(" prefix */ | |
720 | file += sizeof("*POSIX(")-1; | |
721 | end = &file[strlen(file)-1]; | |
722 | if (*end == ')') | |
723 | *end = '\0'; | |
724 | /* Optional: use the basename of the path only. */ | |
725 | if ((end = strrchr(file, '/')) != NULL) | |
726 | file = &end[1]; | |
727 | } | |
728 | #endif | |
d02b48c6 RE |
729 | es=ERR_get_state(); |
730 | ||
731 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
732 | if (es->top == es->bottom) | |
733 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
54f64516 | 734 | es->err_flags[es->top]=0; |
d02b48c6 RE |
735 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); |
736 | es->err_file[es->top]=file; | |
737 | es->err_line[es->top]=line; | |
58964a49 | 738 | err_clear_data(es,es->top); |
d02b48c6 RE |
739 | } |
740 | ||
6b691a5c | 741 | void ERR_clear_error(void) |
d02b48c6 | 742 | { |
5d809414 | 743 | int i; |
d02b48c6 RE |
744 | ERR_STATE *es; |
745 | ||
746 | es=ERR_get_state(); | |
747 | ||
748 | for (i=0; i<ERR_NUM_ERRORS; i++) | |
749 | { | |
54f64516 | 750 | err_clear(es,i); |
d02b48c6 RE |
751 | } |
752 | es->top=es->bottom=0; | |
753 | } | |
754 | ||
d02b48c6 | 755 | |
6b691a5c | 756 | unsigned long ERR_get_error(void) |
a14e2d9d | 757 | { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 758 | |
6b691a5c UM |
759 | unsigned long ERR_get_error_line(const char **file, |
760 | int *line) | |
a14e2d9d | 761 | { return(get_error_values(1,0,file,line,NULL,NULL)); } |
d02b48c6 | 762 | |
6b691a5c UM |
763 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
764 | const char **data, int *flags) | |
a14e2d9d | 765 | { return(get_error_values(1,0,file,line,data,flags)); } |
d02b48c6 | 766 | |
273db408 | 767 | |
6b691a5c | 768 | unsigned long ERR_peek_error(void) |
a14e2d9d | 769 | { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 770 | |
a14e2d9d BM |
771 | unsigned long ERR_peek_error_line(const char **file, int *line) |
772 | { return(get_error_values(0,0,file,line,NULL,NULL)); } | |
0fc5cf08 | 773 | |
6b691a5c UM |
774 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
775 | const char **data, int *flags) | |
a14e2d9d BM |
776 | { return(get_error_values(0,0,file,line,data,flags)); } |
777 | ||
273db408 BM |
778 | |
779 | unsigned long ERR_peek_last_error(void) | |
780 | { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); } | |
781 | ||
782 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
783 | { return(get_error_values(0,1,file,line,NULL,NULL)); } | |
784 | ||
a14e2d9d BM |
785 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
786 | const char **data, int *flags) | |
787 | { return(get_error_values(0,1,file,line,data,flags)); } | |
6b691a5c | 788 | |
273db408 | 789 | |
a14e2d9d | 790 | static unsigned long get_error_values(int inc, int top, const char **file, int *line, |
6b691a5c | 791 | const char **data, int *flags) |
58964a49 RE |
792 | { |
793 | int i=0; | |
d02b48c6 | 794 | ERR_STATE *es; |
58964a49 | 795 | unsigned long ret; |
d02b48c6 RE |
796 | |
797 | es=ERR_get_state(); | |
798 | ||
a14e2d9d BM |
799 | if (inc && top) |
800 | { | |
801 | if (file) *file = ""; | |
802 | if (line) *line = 0; | |
803 | if (data) *data = ""; | |
804 | if (flags) *flags = 0; | |
805 | ||
806 | return ERR_R_INTERNAL_ERROR; | |
807 | } | |
808 | ||
78f79235 | 809 | if (es->bottom == es->top) return 0; |
a14e2d9d | 810 | if (top) |
016029c6 | 811 | i=es->top; /* last error */ |
a14e2d9d BM |
812 | else |
813 | i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */ | |
58964a49 RE |
814 | |
815 | ret=es->err_buffer[i]; | |
816 | if (inc) | |
d02b48c6 | 817 | { |
58964a49 RE |
818 | es->bottom=i; |
819 | es->err_buffer[i]=0; | |
d02b48c6 | 820 | } |
58964a49 RE |
821 | |
822 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 823 | { |
58964a49 RE |
824 | if (es->err_file[i] == NULL) |
825 | { | |
826 | *file="NA"; | |
827 | if (line != NULL) *line=0; | |
828 | } | |
829 | else | |
830 | { | |
831 | *file=es->err_file[i]; | |
832 | if (line != NULL) *line=es->err_line[i]; | |
833 | } | |
d02b48c6 | 834 | } |
d02b48c6 | 835 | |
f51cf14b BM |
836 | if (data == NULL) |
837 | { | |
d3ee37c5 | 838 | if (inc) |
f51cf14b | 839 | { |
d3ee37c5 | 840 | err_clear_data(es, i); |
f51cf14b BM |
841 | } |
842 | } | |
843 | else | |
58964a49 RE |
844 | { |
845 | if (es->err_data[i] == NULL) | |
846 | { | |
847 | *data=""; | |
848 | if (flags != NULL) *flags=0; | |
849 | } | |
850 | else | |
851 | { | |
852 | *data=es->err_data[i]; | |
853 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
854 | } | |
855 | } | |
78f79235 | 856 | return ret; |
d02b48c6 RE |
857 | } |
858 | ||
e5c84d51 | 859 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
d02b48c6 | 860 | { |
e5c84d51 | 861 | char lsbuf[64], fsbuf[64], rsbuf[64]; |
e778802f | 862 | const char *ls,*fs,*rs; |
d02b48c6 | 863 | unsigned long l,f,r; |
d02b48c6 RE |
864 | |
865 | l=ERR_GET_LIB(e); | |
866 | f=ERR_GET_FUNC(e); | |
867 | r=ERR_GET_REASON(e); | |
868 | ||
869 | ls=ERR_lib_error_string(e); | |
870 | fs=ERR_func_error_string(e); | |
871 | rs=ERR_reason_error_string(e); | |
872 | ||
e5c84d51 BM |
873 | if (ls == NULL) |
874 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
d02b48c6 | 875 | if (fs == NULL) |
e5c84d51 | 876 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
d02b48c6 | 877 | if (rs == NULL) |
e5c84d51 BM |
878 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
879 | ||
880 | BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
881 | fs?fs:fsbuf, rs?rs:rsbuf); | |
882 | if (strlen(buf) == len-1) | |
883 | { | |
884 | /* output may be truncated; make sure we always have 5 | |
885 | * colon-separated fields, i.e. 4 colons ... */ | |
886 | #define NUM_COLONS 4 | |
887 | if (len > NUM_COLONS) /* ... if possible */ | |
888 | { | |
889 | int i; | |
890 | char *s = buf; | |
891 | ||
892 | for (i = 0; i < NUM_COLONS; i++) | |
893 | { | |
894 | char *colon = strchr(s, ':'); | |
895 | if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) | |
896 | { | |
897 | /* set colon no. i at last possible position | |
898 | * (buf[len-1] is the terminating 0)*/ | |
899 | colon = &buf[len-1] - NUM_COLONS + i; | |
900 | *colon = ':'; | |
901 | } | |
902 | s = colon + 1; | |
903 | } | |
904 | } | |
905 | } | |
906 | } | |
907 | ||
908 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
909 | /* ERR_error_string_n should be used instead for ret != NULL | |
910 | * as ERR_error_string cannot know how large the buffer is */ | |
911 | char *ERR_error_string(unsigned long e, char *ret) | |
912 | { | |
913 | static char buf[256]; | |
914 | ||
915 | if (ret == NULL) ret=buf; | |
065866b2 | 916 | ERR_error_string_n(e, ret, 256); |
d02b48c6 | 917 | |
78f79235 | 918 | return ret; |
d02b48c6 RE |
919 | } |
920 | ||
3c1d6bbc | 921 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
d02b48c6 | 922 | { |
566bdf2b | 923 | err_fns_check(); |
9f29ec47 | 924 | return ERRFN(err_get)(0); |
d02b48c6 RE |
925 | } |
926 | ||
3c1d6bbc | 927 | LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void) |
d02b48c6 | 928 | { |
566bdf2b | 929 | err_fns_check(); |
9f29ec47 | 930 | return ERRFN(thread_get)(0); |
d02b48c6 RE |
931 | } |
932 | ||
3c1d6bbc | 933 | void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash) |
11171f3c RL |
934 | { |
935 | err_fns_check(); | |
936 | ERRFN(thread_release)(hash); | |
937 | } | |
938 | ||
6b691a5c | 939 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 | 940 | { |
566bdf2b | 941 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
942 | unsigned long l; |
943 | ||
566bdf2b | 944 | err_fns_check(); |
d02b48c6 | 945 | l=ERR_GET_LIB(e); |
566bdf2b GT |
946 | d.error=ERR_PACK(l,0,0); |
947 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
948 | return((p == NULL)?NULL:p->string); |
949 | } | |
950 | ||
6b691a5c | 951 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 | 952 | { |
566bdf2b | 953 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
954 | unsigned long l,f; |
955 | ||
566bdf2b | 956 | err_fns_check(); |
d02b48c6 RE |
957 | l=ERR_GET_LIB(e); |
958 | f=ERR_GET_FUNC(e); | |
566bdf2b GT |
959 | d.error=ERR_PACK(l,f,0); |
960 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
961 | return((p == NULL)?NULL:p->string); |
962 | } | |
963 | ||
6b691a5c | 964 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
965 | { |
966 | ERR_STRING_DATA d,*p=NULL; | |
967 | unsigned long l,r; | |
968 | ||
566bdf2b | 969 | err_fns_check(); |
d02b48c6 RE |
970 | l=ERR_GET_LIB(e); |
971 | r=ERR_GET_REASON(e); | |
566bdf2b GT |
972 | d.error=ERR_PACK(l,0,r); |
973 | p=ERRFN(err_get_item)(&d); | |
78f79235 | 974 | if (!p) |
d02b48c6 | 975 | { |
566bdf2b GT |
976 | d.error=ERR_PACK(0,0,r); |
977 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 | 978 | } |
d02b48c6 RE |
979 | return((p == NULL)?NULL:p->string); |
980 | } | |
981 | ||
f7ccba3e | 982 | void ERR_remove_thread_state(CRYPTO_THREADID *tid) |
d02b48c6 | 983 | { |
566bdf2b | 984 | ERR_STATE tmp; |
78f79235 | 985 | |
f7ccba3e GT |
986 | if (tid) |
987 | CRYPTO_THREADID_cpy(&tmp.tid, tid); | |
48fc582f | 988 | else |
f7ccba3e GT |
989 | CRYPTO_THREADID_set(&tmp.tid); |
990 | err_fns_check(); | |
566bdf2b GT |
991 | /* thread_del_item automatically destroys the LHASH if the number of |
992 | * items reaches zero. */ | |
993 | ERRFN(thread_del_item)(&tmp); | |
d02b48c6 RE |
994 | } |
995 | ||
f7ccba3e GT |
996 | #ifndef OPENSSL_NO_DEPRECATED |
997 | void ERR_remove_state(unsigned long pid) | |
998 | { | |
999 | ERR_remove_thread_state(NULL); | |
1000 | } | |
1001 | #endif | |
1002 | ||
6b691a5c | 1003 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
1004 | { |
1005 | static ERR_STATE fallback; | |
f7ccba3e | 1006 | CRYPTO_THREADID tid; |
566bdf2b | 1007 | ERR_STATE *ret,tmp,*tmpp=NULL; |
58964a49 | 1008 | int i; |
78f79235 | 1009 | |
566bdf2b | 1010 | err_fns_check(); |
f7ccba3e GT |
1011 | CRYPTO_THREADID_set(&tid); |
1012 | CRYPTO_THREADID_cpy(&tmp.tid, &tid); | |
566bdf2b | 1013 | ret=ERRFN(thread_get_item)(&tmp); |
d02b48c6 RE |
1014 | |
1015 | /* ret == the error state, if NULL, make a new one */ | |
1016 | if (ret == NULL) | |
1017 | { | |
26a3a48d | 1018 | ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); |
d02b48c6 | 1019 | if (ret == NULL) return(&fallback); |
f7ccba3e | 1020 | CRYPTO_THREADID_cpy(&ret->tid, &tid); |
d02b48c6 RE |
1021 | ret->top=0; |
1022 | ret->bottom=0; | |
58964a49 RE |
1023 | for (i=0; i<ERR_NUM_ERRORS; i++) |
1024 | { | |
1025 | ret->err_data[i]=NULL; | |
1026 | ret->err_data_flags[i]=0; | |
1027 | } | |
566bdf2b GT |
1028 | tmpp = ERRFN(thread_set_item)(ret); |
1029 | /* To check if insertion failed, do a get. */ | |
78f79235 | 1030 | if (ERRFN(thread_get_item)(ret) != ret) |
dcba2534 BM |
1031 | { |
1032 | ERR_STATE_free(ret); /* could not insert it */ | |
1033 | return(&fallback); | |
1034 | } | |
566bdf2b GT |
1035 | /* If a race occured in this function and we came second, tmpp |
1036 | * is the first one that we just replaced. */ | |
78f79235 | 1037 | if (tmpp) |
58964a49 | 1038 | ERR_STATE_free(tmpp); |
d02b48c6 | 1039 | } |
78f79235 | 1040 | return ret; |
d02b48c6 RE |
1041 | } |
1042 | ||
6b691a5c | 1043 | int ERR_get_next_error_library(void) |
58964a49 | 1044 | { |
566bdf2b GT |
1045 | err_fns_check(); |
1046 | return ERRFN(get_next_lib)(); | |
58964a49 RE |
1047 | } |
1048 | ||
6b691a5c | 1049 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
1050 | { |
1051 | ERR_STATE *es; | |
1052 | int i; | |
1053 | ||
1054 | es=ERR_get_state(); | |
1055 | ||
1056 | i=es->top; | |
1057 | if (i == 0) | |
1058 | i=ERR_NUM_ERRORS-1; | |
1059 | ||
5d809414 | 1060 | err_clear_data(es,i); |
58964a49 | 1061 | es->err_data[i]=data; |
5d809414 | 1062 | es->err_data_flags[i]=flags; |
58964a49 RE |
1063 | } |
1064 | ||
4565c3e3 | 1065 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 1066 | { |
4565c3e3 | 1067 | va_list args; |
58964a49 RE |
1068 | int i,n,s; |
1069 | char *str,*p,*a; | |
1070 | ||
5d809414 | 1071 | s=80; |
26a3a48d | 1072 | str=OPENSSL_malloc(s+1); |
58964a49 RE |
1073 | if (str == NULL) return; |
1074 | str[0]='\0'; | |
1075 | ||
4565c3e3 | 1076 | va_start(args, num); |
58964a49 RE |
1077 | n=0; |
1078 | for (i=0; i<num; i++) | |
1079 | { | |
4565c3e3 | 1080 | a=va_arg(args, char*); |
dfeab068 RE |
1081 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
1082 | if (a != NULL) | |
58964a49 | 1083 | { |
dfeab068 RE |
1084 | n+=strlen(a); |
1085 | if (n > s) | |
58964a49 | 1086 | { |
dfeab068 | 1087 | s=n+20; |
26a3a48d | 1088 | p=OPENSSL_realloc(str,s+1); |
dfeab068 RE |
1089 | if (p == NULL) |
1090 | { | |
26a3a48d | 1091 | OPENSSL_free(str); |
98c2a26e | 1092 | goto err; |
dfeab068 RE |
1093 | } |
1094 | else | |
1095 | str=p; | |
58964a49 | 1096 | } |
70f34a58 | 1097 | BUF_strlcat(str,a,(size_t)s+1); |
58964a49 | 1098 | } |
58964a49 RE |
1099 | } |
1100 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
1101 | ||
98c2a26e | 1102 | err: |
4565c3e3 | 1103 | va_end(args); |
58964a49 | 1104 | } |
54f64516 RL |
1105 | |
1106 | int ERR_set_mark(void) | |
1107 | { | |
54f64516 RL |
1108 | ERR_STATE *es; |
1109 | ||
1110 | es=ERR_get_state(); | |
1111 | ||
1112 | if (es->bottom == es->top) return 0; | |
1113 | es->err_flags[es->top]|=ERR_FLAG_MARK; | |
1114 | return 1; | |
1115 | } | |
1116 | ||
1117 | int ERR_pop_to_mark(void) | |
1118 | { | |
54f64516 RL |
1119 | ERR_STATE *es; |
1120 | ||
1121 | es=ERR_get_state(); | |
1122 | ||
1123 | while(es->bottom != es->top | |
1124 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) | |
1125 | { | |
1126 | err_clear(es,es->top); | |
1127 | es->top-=1; | |
8c5a2bd6 | 1128 | if (es->top == -1) es->top=ERR_NUM_ERRORS-1; |
54f64516 RL |
1129 | } |
1130 | ||
1131 | if (es->bottom == es->top) return 0; | |
1132 | es->err_flags[es->top]&=~ERR_FLAG_MARK; | |
1133 | return 1; | |
1134 | } |