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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"}, |
a01a351c | 156 | {ERR_PACK(ERR_LIB_FIPS,0,0) ,"FIPS routines"}, |
8931b30d | 157 | {ERR_PACK(ERR_LIB_CMS,0,0) ,"CMS routines"}, |
a01a351c | 158 | {ERR_PACK(ERR_LIB_HMAC,0,0) ,"HMAC routines"}, |
d02b48c6 RE |
159 | {0,NULL}, |
160 | }; | |
161 | ||
162 | static ERR_STRING_DATA ERR_str_functs[]= | |
163 | { | |
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"}, | |
bc36ee62 | 172 | #ifdef OPENSSL_SYS_WINDOWS |
d02b48c6 RE |
173 | {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, |
174 | #endif | |
a40f6dce | 175 | {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, |
d15711ef | 176 | {ERR_PACK(0,SYS_F_FREAD,0), "fread"}, |
d02b48c6 RE |
177 | {0,NULL}, |
178 | }; | |
179 | ||
180 | static ERR_STRING_DATA ERR_str_reasons[]= | |
181 | { | |
d02b48c6 RE |
182 | {ERR_R_SYS_LIB ,"system lib"}, |
183 | {ERR_R_BN_LIB ,"BN lib"}, | |
184 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
185 | {ERR_R_DH_LIB ,"DH lib"}, | |
186 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
187 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
d02b48c6 RE |
188 | {ERR_R_OBJ_LIB ,"OBJ lib"}, |
189 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
5277d7cb | 190 | {ERR_R_DSA_LIB ,"DSA lib"}, |
d02b48c6 | 191 | {ERR_R_X509_LIB ,"X509 lib"}, |
d02b48c6 RE |
192 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, |
193 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
5277d7cb BM |
194 | {ERR_R_CRYPTO_LIB ,"CRYPTO lib"}, |
195 | {ERR_R_EC_LIB ,"EC lib"}, | |
d02b48c6 | 196 | {ERR_R_SSL_LIB ,"SSL lib"}, |
d02b48c6 RE |
197 | {ERR_R_BIO_LIB ,"BIO lib"}, |
198 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
5277d7cb | 199 | {ERR_R_X509V3_LIB ,"X509V3 lib"}, |
67d5ac03 | 200 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
5277d7cb BM |
201 | {ERR_R_RAND_LIB ,"RAND lib"}, |
202 | {ERR_R_DSO_LIB ,"DSO lib"}, | |
203 | {ERR_R_ENGINE_LIB ,"ENGINE lib"}, | |
204 | {ERR_R_OCSP_LIB ,"OCSP lib"}, | |
c7235be6 | 205 | {ERR_R_TS_LIB ,"TS lib"}, |
5277d7cb | 206 | |
dfeab068 RE |
207 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, |
208 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
209 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
210 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
211 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
212 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
5277d7cb BM |
213 | |
214 | {ERR_R_FATAL ,"fatal"}, | |
215 | {ERR_R_MALLOC_FAILURE ,"malloc failure"}, | |
216 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, | |
217 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, | |
218 | {ERR_R_INTERNAL_ERROR ,"internal error"}, | |
819ff32d | 219 | {ERR_R_DISABLED ,"called a function that was disabled at compile-time"}, |
dfeab068 | 220 | |
d02b48c6 RE |
221 | {0,NULL}, |
222 | }; | |
758f942b | 223 | #endif |
0a150c5c BM |
224 | |
225 | ||
566bdf2b GT |
226 | /* Define the predeclared (but externally opaque) "ERR_FNS" type */ |
227 | struct st_ERR_FNS | |
228 | { | |
229 | /* Works on the "error_hash" string table */ | |
3c1d6bbc | 230 | LHASH_OF(ERR_STRING_DATA) *(*cb_err_get)(int create); |
566bdf2b GT |
231 | void (*cb_err_del)(void); |
232 | ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *); | |
233 | ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *); | |
1738bb61 | 234 | ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *); |
566bdf2b | 235 | /* Works on the "thread_hash" error-state table */ |
3c1d6bbc BL |
236 | LHASH_OF(ERR_STATE) *(*cb_thread_get)(int create); |
237 | void (*cb_thread_release)(LHASH_OF(ERR_STATE) **hash); | |
566bdf2b GT |
238 | ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *); |
239 | ERR_STATE *(*cb_thread_set_item)(ERR_STATE *); | |
240 | void (*cb_thread_del_item)(const ERR_STATE *); | |
241 | /* Returns the next available error "library" numbers */ | |
242 | int (*cb_get_next_lib)(void); | |
243 | }; | |
244 | ||
245 | /* Predeclarations of the "err_defaults" functions */ | |
3c1d6bbc | 246 | static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create); |
566bdf2b GT |
247 | static void int_err_del(void); |
248 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | |
249 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | |
1738bb61 | 250 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); |
3c1d6bbc BL |
251 | static LHASH_OF(ERR_STATE) *int_thread_get(int create); |
252 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash); | |
566bdf2b GT |
253 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
254 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
255 | static void int_thread_del_item(const ERR_STATE *); | |
256 | static int int_err_get_next_lib(void); | |
257 | /* The static ERR_FNS table using these defaults functions */ | |
258 | static const ERR_FNS err_defaults = | |
259 | { | |
260 | int_err_get, | |
261 | int_err_del, | |
262 | int_err_get_item, | |
263 | int_err_set_item, | |
1738bb61 | 264 | int_err_del_item, |
566bdf2b | 265 | int_thread_get, |
11171f3c | 266 | int_thread_release, |
566bdf2b GT |
267 | int_thread_get_item, |
268 | int_thread_set_item, | |
269 | int_thread_del_item, | |
270 | int_err_get_next_lib | |
271 | }; | |
272 | ||
273 | /* The replacable table of ERR_FNS functions we use at run-time */ | |
274 | static const ERR_FNS *err_fns = NULL; | |
275 | ||
276 | /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | |
277 | #define ERRFN(a) err_fns->cb_##a | |
278 | ||
279 | /* The internal state used by "err_defaults" - as such, the setting, reading, | |
280 | * creating, and deleting of this data should only be permitted via the | |
281 | * "err_defaults" functions. This way, a linked module can completely defer all | |
282 | * ERR state operation (together with requisite locking) to the implementations | |
283 | * and state in the loading application. */ | |
3c1d6bbc BL |
284 | static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; |
285 | static LHASH_OF(ERR_STATE) *int_thread_hash = NULL; | |
11171f3c | 286 | static int int_thread_hash_references = 0; |
78f79235 | 287 | static int int_err_library_number= ERR_LIB_USER; |
566bdf2b GT |
288 | |
289 | /* Internal function that checks whether "err_fns" is set and if not, sets it to | |
290 | * the defaults. */ | |
291 | static void err_fns_check(void) | |
292 | { | |
cf5bfbfc BM |
293 | if (err_fns) return; |
294 | ||
566bdf2b | 295 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
cf5bfbfc | 296 | if (!err_fns) |
566bdf2b GT |
297 | err_fns = &err_defaults; |
298 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
299 | } | |
300 | ||
301 | /* API functions to get or set the underlying ERR functions. */ | |
302 | ||
303 | const ERR_FNS *ERR_get_implementation(void) | |
304 | { | |
305 | err_fns_check(); | |
306 | return err_fns; | |
307 | } | |
308 | ||
309 | int ERR_set_implementation(const ERR_FNS *fns) | |
310 | { | |
78f79235 BM |
311 | int ret = 0; |
312 | ||
566bdf2b GT |
313 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
314 | /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting | |
315 | * an error is there?! */ | |
78f79235 | 316 | if (!err_fns) |
566bdf2b GT |
317 | { |
318 | err_fns = fns; | |
78f79235 | 319 | ret = 1; |
566bdf2b GT |
320 | } |
321 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 322 | return ret; |
566bdf2b GT |
323 | } |
324 | ||
325 | /* These are the callbacks provided to "lh_new()" when creating the LHASH tables | |
326 | * internal to the "err_defaults" implementation. */ | |
327 | ||
a14e2d9d | 328 | static unsigned long get_error_values(int inc,int top,const char **file,int *line, |
566bdf2b GT |
329 | const char **data,int *flags); |
330 | ||
331 | /* The internal functions used in the "err_defaults" implementation */ | |
332 | ||
3c1d6bbc | 333 | static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) |
566bdf2b | 334 | { |
3c1d6bbc BL |
335 | unsigned long ret,l; |
336 | ||
337 | l=a->error; | |
338 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); | |
339 | return(ret^ret%19*13); | |
340 | } | |
ab3eafd5 | 341 | static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc BL |
342 | |
343 | static int err_string_data_cmp(const ERR_STRING_DATA *a, | |
344 | const ERR_STRING_DATA *b) | |
345 | { | |
346 | return (int)(a->error - b->error); | |
347 | } | |
ab3eafd5 | 348 | static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA) |
3c1d6bbc BL |
349 | |
350 | static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create) | |
351 | { | |
352 | LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
78f79235 | 353 | |
566bdf2b | 354 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
355 | if (!int_error_hash && create) |
356 | { | |
357 | CRYPTO_push_info("int_err_get (err.c)"); | |
3c1d6bbc | 358 | int_error_hash = lh_ERR_STRING_DATA_new(); |
9f29ec47 BM |
359 | CRYPTO_pop_info(); |
360 | } | |
78f79235 BM |
361 | if (int_error_hash) |
362 | ret = int_error_hash; | |
566bdf2b | 363 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
364 | |
365 | return ret; | |
566bdf2b | 366 | } |
567fef89 | 367 | |
566bdf2b GT |
368 | static void int_err_del(void) |
369 | { | |
370 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
78f79235 | 371 | if (int_error_hash) |
566bdf2b | 372 | { |
3c1d6bbc | 373 | lh_ERR_STRING_DATA_free(int_error_hash); |
566bdf2b | 374 | int_error_hash = NULL; |
566bdf2b GT |
375 | } |
376 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
377 | } | |
567fef89 | 378 | |
566bdf2b GT |
379 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
380 | { | |
381 | ERR_STRING_DATA *p; | |
3c1d6bbc | 382 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 383 | |
566bdf2b | 384 | err_fns_check(); |
9f29ec47 | 385 | hash = ERRFN(err_get)(0); |
78f79235 | 386 | if (!hash) |
566bdf2b | 387 | return NULL; |
78f79235 | 388 | |
566bdf2b | 389 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 390 | p = lh_ERR_STRING_DATA_retrieve(hash, d); |
566bdf2b | 391 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 392 | |
566bdf2b GT |
393 | return p; |
394 | } | |
567fef89 | 395 | |
566bdf2b GT |
396 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) |
397 | { | |
398 | ERR_STRING_DATA *p; | |
3c1d6bbc | 399 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 400 | |
566bdf2b | 401 | err_fns_check(); |
9f29ec47 | 402 | hash = ERRFN(err_get)(1); |
78f79235 | 403 | if (!hash) |
566bdf2b | 404 | return NULL; |
78f79235 | 405 | |
567fef89 | 406 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 407 | p = lh_ERR_STRING_DATA_insert(hash, d); |
567fef89 | 408 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 409 | |
566bdf2b GT |
410 | return p; |
411 | } | |
567fef89 | 412 | |
1738bb61 GT |
413 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) |
414 | { | |
415 | ERR_STRING_DATA *p; | |
3c1d6bbc | 416 | LHASH_OF(ERR_STRING_DATA) *hash; |
78f79235 | 417 | |
1738bb61 | 418 | err_fns_check(); |
9f29ec47 | 419 | hash = ERRFN(err_get)(0); |
78f79235 | 420 | if (!hash) |
1738bb61 | 421 | return NULL; |
78f79235 | 422 | |
567fef89 | 423 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 424 | p = lh_ERR_STRING_DATA_delete(hash, d); |
567fef89 | 425 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 426 | |
1738bb61 GT |
427 | return p; |
428 | } | |
567fef89 | 429 | |
3c1d6bbc BL |
430 | static unsigned long err_state_hash(const ERR_STATE *a) |
431 | { | |
5f834ab1 | 432 | return (a->pid + (unsigned long)a->pidptr) * 13; |
3c1d6bbc | 433 | } |
ab3eafd5 | 434 | static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE) |
3c1d6bbc BL |
435 | |
436 | static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b) | |
437 | { | |
5f834ab1 | 438 | return (a->pid != b->pid) || (a->pidptr != b->pidptr); |
3c1d6bbc | 439 | } |
ab3eafd5 | 440 | static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE) |
3c1d6bbc BL |
441 | |
442 | static LHASH_OF(ERR_STATE) *int_thread_get(int create) | |
566bdf2b | 443 | { |
3c1d6bbc | 444 | LHASH_OF(ERR_STATE) *ret = NULL; |
78f79235 | 445 | |
566bdf2b | 446 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
447 | if (!int_thread_hash && create) |
448 | { | |
449 | CRYPTO_push_info("int_thread_get (err.c)"); | |
3c1d6bbc | 450 | int_thread_hash = lh_ERR_STATE_new(); |
9f29ec47 BM |
451 | CRYPTO_pop_info(); |
452 | } | |
78f79235 | 453 | if (int_thread_hash) |
11171f3c RL |
454 | { |
455 | int_thread_hash_references++; | |
78f79235 | 456 | ret = int_thread_hash; |
11171f3c | 457 | } |
566bdf2b | 458 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 459 | return ret; |
566bdf2b | 460 | } |
567fef89 | 461 | |
3c1d6bbc | 462 | static void int_thread_release(LHASH_OF(ERR_STATE) **hash) |
11171f3c RL |
463 | { |
464 | int i; | |
465 | ||
466 | if (hash == NULL || *hash == NULL) | |
467 | return; | |
468 | ||
469 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); | |
470 | ||
471 | #ifdef REF_PRINT | |
472 | fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR"); | |
473 | #endif | |
474 | if (i > 0) return; | |
475 | #ifdef REF_CHECK | |
476 | if (i < 0) | |
477 | { | |
478 | fprintf(stderr,"int_thread_release, bad reference count\n"); | |
479 | abort(); /* ok */ | |
480 | } | |
481 | #endif | |
482 | *hash = NULL; | |
483 | } | |
484 | ||
566bdf2b GT |
485 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
486 | { | |
487 | ERR_STATE *p; | |
3c1d6bbc | 488 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 489 | |
566bdf2b | 490 | err_fns_check(); |
9f29ec47 | 491 | hash = ERRFN(thread_get)(0); |
78f79235 | 492 | if (!hash) |
566bdf2b | 493 | return NULL; |
78f79235 | 494 | |
566bdf2b | 495 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 496 | p = lh_ERR_STATE_retrieve(hash, d); |
566bdf2b | 497 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 498 | |
11171f3c | 499 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
500 | return p; |
501 | } | |
567fef89 | 502 | |
566bdf2b GT |
503 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
504 | { | |
505 | ERR_STATE *p; | |
3c1d6bbc | 506 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 507 | |
566bdf2b | 508 | err_fns_check(); |
9f29ec47 | 509 | hash = ERRFN(thread_get)(1); |
78f79235 | 510 | if (!hash) |
566bdf2b | 511 | return NULL; |
78f79235 | 512 | |
567fef89 | 513 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 514 | p = lh_ERR_STATE_insert(hash, d); |
567fef89 | 515 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 516 | |
11171f3c | 517 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
518 | return p; |
519 | } | |
567fef89 | 520 | |
566bdf2b GT |
521 | static void int_thread_del_item(const ERR_STATE *d) |
522 | { | |
523 | ERR_STATE *p; | |
3c1d6bbc | 524 | LHASH_OF(ERR_STATE) *hash; |
78f79235 | 525 | |
566bdf2b | 526 | err_fns_check(); |
9f29ec47 | 527 | hash = ERRFN(thread_get)(0); |
78f79235 | 528 | if (!hash) |
566bdf2b | 529 | return; |
78f79235 | 530 | |
566bdf2b | 531 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
3c1d6bbc | 532 | p = lh_ERR_STATE_delete(hash, d); |
566bdf2b | 533 | /* make sure we don't leak memory */ |
11171f3c | 534 | if (int_thread_hash_references == 1 |
3c1d6bbc | 535 | && int_thread_hash && lh_ERR_STATE_num_items(int_thread_hash) == 0) |
566bdf2b | 536 | { |
3c1d6bbc | 537 | lh_ERR_STATE_free(int_thread_hash); |
566bdf2b | 538 | int_thread_hash = NULL; |
566bdf2b GT |
539 | } |
540 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 541 | |
11171f3c | 542 | ERRFN(thread_release)(&hash); |
78f79235 | 543 | if (p) |
566bdf2b GT |
544 | ERR_STATE_free(p); |
545 | } | |
567fef89 | 546 | |
566bdf2b GT |
547 | static int int_err_get_next_lib(void) |
548 | { | |
78f79235 BM |
549 | int ret; |
550 | ||
566bdf2b | 551 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
78f79235 | 552 | ret = int_err_library_number++; |
566bdf2b | 553 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
554 | |
555 | return ret; | |
566bdf2b GT |
556 | } |
557 | ||
558 | ||
758f942b | 559 | #ifndef OPENSSL_NO_ERR |
0a150c5c BM |
560 | #define NUM_SYS_STR_REASONS 127 |
561 | #define LEN_SYS_STR_REASON 32 | |
562 | ||
563 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
564 | /* SYS_str_reasons is filled with copies of strerror() results at | |
565 | * initialization. | |
566 | * 'errno' values up to 127 should cover all usual errors, | |
567 | * others will be displayed numerically by ERR_error_string. | |
568 | * It is crucial that we have something for each reason code | |
569 | * that occurs in ERR_str_reasons, or bogus reason strings | |
570 | * will be returned for SYSerr(), which always gets an errno | |
571 | * value and never one of those 'standard' reason codes. */ | |
572 | ||
41a15c4f | 573 | static void build_SYS_str_reasons(void) |
0a150c5c | 574 | { |
26a3a48d | 575 | /* OPENSSL_malloc cannot be used here, use static storage instead */ |
0a150c5c BM |
576 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; |
577 | int i; | |
cf5bfbfc BM |
578 | static int init = 1; |
579 | ||
675f605d BM |
580 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
581 | if (!init) | |
582 | { | |
583 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
584 | return; | |
585 | } | |
586 | ||
587 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 588 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
675f605d BM |
589 | if (!init) |
590 | { | |
591 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
592 | return; | |
593 | } | |
0a150c5c BM |
594 | |
595 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
596 | { | |
597 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
598 | ||
599 | str->error = (unsigned long)i; | |
600 | if (str->string == NULL) | |
601 | { | |
602 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
603 | char *src = strerror(i); | |
604 | if (src != NULL) | |
605 | { | |
606 | strncpy(*dest, src, sizeof *dest); | |
607 | (*dest)[sizeof *dest - 1] = '\0'; | |
608 | str->string = *dest; | |
609 | } | |
610 | } | |
611 | if (str->string == NULL) | |
612 | str->string = "unknown"; | |
613 | } | |
614 | ||
615 | /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
616 | * as required by ERR_load_strings. */ | |
617 | ||
cf5bfbfc BM |
618 | init = 0; |
619 | ||
78f79235 | 620 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0a150c5c | 621 | } |
d02b48c6 RE |
622 | #endif |
623 | ||
58964a49 | 624 | #define err_clear_data(p,i) \ |
54f64516 | 625 | do { \ |
58964a49 RE |
626 | if (((p)->err_data[i] != NULL) && \ |
627 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
628 | { \ | |
26a3a48d | 629 | OPENSSL_free((p)->err_data[i]); \ |
58964a49 RE |
630 | (p)->err_data[i]=NULL; \ |
631 | } \ | |
54f64516 RL |
632 | (p)->err_data_flags[i]=0; \ |
633 | } while(0) | |
634 | ||
635 | #define err_clear(p,i) \ | |
636 | do { \ | |
a5e8bcfb RL |
637 | (p)->err_flags[i]=0; \ |
638 | (p)->err_buffer[i]=0; \ | |
54f64516 | 639 | err_clear_data(p,i); \ |
a5e8bcfb RL |
640 | (p)->err_file[i]=NULL; \ |
641 | (p)->err_line[i]= -1; \ | |
54f64516 | 642 | } while(0) |
58964a49 | 643 | |
6b691a5c | 644 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
645 | { |
646 | int i; | |
647 | ||
78f79235 | 648 | if (s == NULL) |
e03ddfae BL |
649 | return; |
650 | ||
58964a49 RE |
651 | for (i=0; i<ERR_NUM_ERRORS; i++) |
652 | { | |
653 | err_clear_data(s,i); | |
654 | } | |
26a3a48d | 655 | OPENSSL_free(s); |
58964a49 RE |
656 | } |
657 | ||
6b691a5c | 658 | void ERR_load_ERR_strings(void) |
d02b48c6 | 659 | { |
cf5bfbfc | 660 | err_fns_check(); |
cf1b7d96 | 661 | #ifndef OPENSSL_NO_ERR |
cf5bfbfc BM |
662 | err_load_strings(0,ERR_str_libraries); |
663 | err_load_strings(0,ERR_str_reasons); | |
664 | err_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
665 | build_SYS_str_reasons(); | |
666 | err_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
d02b48c6 | 667 | #endif |
d02b48c6 RE |
668 | } |
669 | ||
cf5bfbfc | 670 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 | 671 | { |
d02b48c6 RE |
672 | while (str->error) |
673 | { | |
bc3cae7e DSH |
674 | if (lib) |
675 | str->error|=ERR_PACK(lib,0,0); | |
566bdf2b | 676 | ERRFN(err_set_item)(str); |
d02b48c6 RE |
677 | str++; |
678 | } | |
d02b48c6 RE |
679 | } |
680 | ||
cf5bfbfc BM |
681 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
682 | { | |
e4decc41 | 683 | ERR_load_ERR_strings(); |
cf5bfbfc BM |
684 | err_load_strings(lib, str); |
685 | } | |
686 | ||
1738bb61 GT |
687 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
688 | { | |
78f79235 | 689 | while (str->error) |
1738bb61 | 690 | { |
bc3cae7e DSH |
691 | if (lib) |
692 | str->error|=ERR_PACK(lib,0,0); | |
1738bb61 GT |
693 | ERRFN(err_del_item)(str); |
694 | str++; | |
695 | } | |
696 | } | |
697 | ||
6b691a5c | 698 | void ERR_free_strings(void) |
d02b48c6 | 699 | { |
566bdf2b GT |
700 | err_fns_check(); |
701 | ERRFN(err_del)(); | |
d02b48c6 RE |
702 | } |
703 | ||
58964a49 RE |
704 | /********************************************************/ |
705 | ||
6b691a5c UM |
706 | void ERR_put_error(int lib, int func, int reason, const char *file, |
707 | int line) | |
d02b48c6 RE |
708 | { |
709 | ERR_STATE *es; | |
710 | ||
a53955d8 UM |
711 | #ifdef _OSD_POSIX |
712 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
713 | * path names in the form "*POSIX(/etc/passwd)". | |
714 | * This dirty hack strips them to something sensible. | |
715 | * @@@ We shouldn't modify a const string, though. | |
716 | */ | |
717 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
718 | char *end; | |
719 | ||
720 | /* Skip the "*POSIX(" prefix */ | |
721 | file += sizeof("*POSIX(")-1; | |
722 | end = &file[strlen(file)-1]; | |
723 | if (*end == ')') | |
724 | *end = '\0'; | |
725 | /* Optional: use the basename of the path only. */ | |
726 | if ((end = strrchr(file, '/')) != NULL) | |
727 | file = &end[1]; | |
728 | } | |
729 | #endif | |
d02b48c6 RE |
730 | es=ERR_get_state(); |
731 | ||
732 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
733 | if (es->top == es->bottom) | |
734 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
54f64516 | 735 | es->err_flags[es->top]=0; |
d02b48c6 RE |
736 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); |
737 | es->err_file[es->top]=file; | |
738 | es->err_line[es->top]=line; | |
58964a49 | 739 | err_clear_data(es,es->top); |
d02b48c6 RE |
740 | } |
741 | ||
6b691a5c | 742 | void ERR_clear_error(void) |
d02b48c6 | 743 | { |
5d809414 | 744 | int i; |
d02b48c6 RE |
745 | ERR_STATE *es; |
746 | ||
747 | es=ERR_get_state(); | |
748 | ||
749 | for (i=0; i<ERR_NUM_ERRORS; i++) | |
750 | { | |
54f64516 | 751 | err_clear(es,i); |
d02b48c6 RE |
752 | } |
753 | es->top=es->bottom=0; | |
754 | } | |
755 | ||
d02b48c6 | 756 | |
6b691a5c | 757 | unsigned long ERR_get_error(void) |
a14e2d9d | 758 | { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 759 | |
6b691a5c UM |
760 | unsigned long ERR_get_error_line(const char **file, |
761 | int *line) | |
a14e2d9d | 762 | { return(get_error_values(1,0,file,line,NULL,NULL)); } |
d02b48c6 | 763 | |
6b691a5c UM |
764 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
765 | const char **data, int *flags) | |
a14e2d9d | 766 | { return(get_error_values(1,0,file,line,data,flags)); } |
d02b48c6 | 767 | |
273db408 | 768 | |
6b691a5c | 769 | unsigned long ERR_peek_error(void) |
a14e2d9d | 770 | { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 771 | |
a14e2d9d BM |
772 | unsigned long ERR_peek_error_line(const char **file, int *line) |
773 | { return(get_error_values(0,0,file,line,NULL,NULL)); } | |
0fc5cf08 | 774 | |
6b691a5c UM |
775 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
776 | const char **data, int *flags) | |
a14e2d9d BM |
777 | { return(get_error_values(0,0,file,line,data,flags)); } |
778 | ||
273db408 BM |
779 | |
780 | unsigned long ERR_peek_last_error(void) | |
781 | { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); } | |
782 | ||
783 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
784 | { return(get_error_values(0,1,file,line,NULL,NULL)); } | |
785 | ||
a14e2d9d BM |
786 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
787 | const char **data, int *flags) | |
788 | { return(get_error_values(0,1,file,line,data,flags)); } | |
6b691a5c | 789 | |
273db408 | 790 | |
a14e2d9d | 791 | static unsigned long get_error_values(int inc, int top, const char **file, int *line, |
6b691a5c | 792 | const char **data, int *flags) |
58964a49 RE |
793 | { |
794 | int i=0; | |
d02b48c6 | 795 | ERR_STATE *es; |
58964a49 | 796 | unsigned long ret; |
d02b48c6 RE |
797 | |
798 | es=ERR_get_state(); | |
799 | ||
a14e2d9d BM |
800 | if (inc && top) |
801 | { | |
802 | if (file) *file = ""; | |
803 | if (line) *line = 0; | |
804 | if (data) *data = ""; | |
805 | if (flags) *flags = 0; | |
806 | ||
807 | return ERR_R_INTERNAL_ERROR; | |
808 | } | |
809 | ||
78f79235 | 810 | if (es->bottom == es->top) return 0; |
a14e2d9d | 811 | if (top) |
016029c6 | 812 | i=es->top; /* last error */ |
a14e2d9d BM |
813 | else |
814 | i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */ | |
58964a49 RE |
815 | |
816 | ret=es->err_buffer[i]; | |
817 | if (inc) | |
d02b48c6 | 818 | { |
58964a49 RE |
819 | es->bottom=i; |
820 | es->err_buffer[i]=0; | |
d02b48c6 | 821 | } |
58964a49 RE |
822 | |
823 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 824 | { |
58964a49 RE |
825 | if (es->err_file[i] == NULL) |
826 | { | |
827 | *file="NA"; | |
828 | if (line != NULL) *line=0; | |
829 | } | |
830 | else | |
831 | { | |
832 | *file=es->err_file[i]; | |
833 | if (line != NULL) *line=es->err_line[i]; | |
834 | } | |
d02b48c6 | 835 | } |
d02b48c6 | 836 | |
f51cf14b BM |
837 | if (data == NULL) |
838 | { | |
d3ee37c5 | 839 | if (inc) |
f51cf14b | 840 | { |
d3ee37c5 | 841 | err_clear_data(es, i); |
f51cf14b BM |
842 | } |
843 | } | |
844 | else | |
58964a49 RE |
845 | { |
846 | if (es->err_data[i] == NULL) | |
847 | { | |
848 | *data=""; | |
849 | if (flags != NULL) *flags=0; | |
850 | } | |
851 | else | |
852 | { | |
853 | *data=es->err_data[i]; | |
854 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
855 | } | |
856 | } | |
78f79235 | 857 | return ret; |
d02b48c6 RE |
858 | } |
859 | ||
e5c84d51 | 860 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
d02b48c6 | 861 | { |
e5c84d51 | 862 | char lsbuf[64], fsbuf[64], rsbuf[64]; |
e778802f | 863 | const char *ls,*fs,*rs; |
d02b48c6 | 864 | unsigned long l,f,r; |
d02b48c6 RE |
865 | |
866 | l=ERR_GET_LIB(e); | |
867 | f=ERR_GET_FUNC(e); | |
868 | r=ERR_GET_REASON(e); | |
869 | ||
870 | ls=ERR_lib_error_string(e); | |
871 | fs=ERR_func_error_string(e); | |
872 | rs=ERR_reason_error_string(e); | |
873 | ||
e5c84d51 BM |
874 | if (ls == NULL) |
875 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
d02b48c6 | 876 | if (fs == NULL) |
e5c84d51 | 877 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
d02b48c6 | 878 | if (rs == NULL) |
e5c84d51 BM |
879 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
880 | ||
881 | BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
882 | fs?fs:fsbuf, rs?rs:rsbuf); | |
883 | if (strlen(buf) == len-1) | |
884 | { | |
885 | /* output may be truncated; make sure we always have 5 | |
886 | * colon-separated fields, i.e. 4 colons ... */ | |
887 | #define NUM_COLONS 4 | |
888 | if (len > NUM_COLONS) /* ... if possible */ | |
889 | { | |
890 | int i; | |
891 | char *s = buf; | |
892 | ||
893 | for (i = 0; i < NUM_COLONS; i++) | |
894 | { | |
895 | char *colon = strchr(s, ':'); | |
896 | if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) | |
897 | { | |
898 | /* set colon no. i at last possible position | |
899 | * (buf[len-1] is the terminating 0)*/ | |
900 | colon = &buf[len-1] - NUM_COLONS + i; | |
901 | *colon = ':'; | |
902 | } | |
903 | s = colon + 1; | |
904 | } | |
905 | } | |
906 | } | |
907 | } | |
908 | ||
909 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
910 | /* ERR_error_string_n should be used instead for ret != NULL | |
911 | * as ERR_error_string cannot know how large the buffer is */ | |
912 | char *ERR_error_string(unsigned long e, char *ret) | |
913 | { | |
914 | static char buf[256]; | |
915 | ||
916 | if (ret == NULL) ret=buf; | |
065866b2 | 917 | ERR_error_string_n(e, ret, 256); |
d02b48c6 | 918 | |
78f79235 | 919 | return ret; |
d02b48c6 RE |
920 | } |
921 | ||
3c1d6bbc | 922 | LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) |
d02b48c6 | 923 | { |
566bdf2b | 924 | err_fns_check(); |
9f29ec47 | 925 | return ERRFN(err_get)(0); |
d02b48c6 RE |
926 | } |
927 | ||
3c1d6bbc | 928 | LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void) |
d02b48c6 | 929 | { |
566bdf2b | 930 | err_fns_check(); |
9f29ec47 | 931 | return ERRFN(thread_get)(0); |
d02b48c6 RE |
932 | } |
933 | ||
3c1d6bbc | 934 | void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash) |
11171f3c RL |
935 | { |
936 | err_fns_check(); | |
937 | ERRFN(thread_release)(hash); | |
938 | } | |
939 | ||
6b691a5c | 940 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 | 941 | { |
566bdf2b | 942 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
943 | unsigned long l; |
944 | ||
566bdf2b | 945 | err_fns_check(); |
d02b48c6 | 946 | l=ERR_GET_LIB(e); |
566bdf2b GT |
947 | d.error=ERR_PACK(l,0,0); |
948 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
949 | return((p == NULL)?NULL:p->string); |
950 | } | |
951 | ||
6b691a5c | 952 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 | 953 | { |
566bdf2b | 954 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
955 | unsigned long l,f; |
956 | ||
566bdf2b | 957 | err_fns_check(); |
d02b48c6 RE |
958 | l=ERR_GET_LIB(e); |
959 | f=ERR_GET_FUNC(e); | |
566bdf2b GT |
960 | d.error=ERR_PACK(l,f,0); |
961 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
962 | return((p == NULL)?NULL:p->string); |
963 | } | |
964 | ||
6b691a5c | 965 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
966 | { |
967 | ERR_STRING_DATA d,*p=NULL; | |
968 | unsigned long l,r; | |
969 | ||
566bdf2b | 970 | err_fns_check(); |
d02b48c6 RE |
971 | l=ERR_GET_LIB(e); |
972 | r=ERR_GET_REASON(e); | |
566bdf2b GT |
973 | d.error=ERR_PACK(l,0,r); |
974 | p=ERRFN(err_get_item)(&d); | |
78f79235 | 975 | if (!p) |
d02b48c6 | 976 | { |
566bdf2b GT |
977 | d.error=ERR_PACK(0,0,r); |
978 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 | 979 | } |
d02b48c6 RE |
980 | return((p == NULL)?NULL:p->string); |
981 | } | |
982 | ||
5f834ab1 | 983 | void ERR_remove_state(unsigned long pid) |
d02b48c6 | 984 | { |
566bdf2b | 985 | ERR_STATE tmp; |
5f834ab1 | 986 | void *pidptr; |
78f79235 | 987 | |
f7ccba3e | 988 | err_fns_check(); |
5f834ab1 GT |
989 | if (pid != 0) |
990 | pidptr = &errno; | |
991 | else | |
992 | { | |
993 | pid = CRYPTO_thread_id(); | |
994 | pidptr = CRYPTO_thread_idptr(); | |
995 | } | |
996 | ||
997 | tmp.pid=pid; | |
998 | tmp.pidptr=pidptr; | |
566bdf2b GT |
999 | /* thread_del_item automatically destroys the LHASH if the number of |
1000 | * items reaches zero. */ | |
1001 | ERRFN(thread_del_item)(&tmp); | |
d02b48c6 RE |
1002 | } |
1003 | ||
6b691a5c | 1004 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
1005 | { |
1006 | static ERR_STATE fallback; | |
566bdf2b | 1007 | ERR_STATE *ret,tmp,*tmpp=NULL; |
58964a49 | 1008 | int i; |
5f834ab1 GT |
1009 | unsigned long pid; |
1010 | void *pidptr; | |
78f79235 | 1011 | |
566bdf2b | 1012 | err_fns_check(); |
5f834ab1 GT |
1013 | pid = CRYPTO_thread_id(); |
1014 | pidptr = CRYPTO_thread_idptr(); | |
1015 | tmp.pid = pid; | |
1016 | tmp.pidptr = pidptr; | |
566bdf2b | 1017 | ret=ERRFN(thread_get_item)(&tmp); |
d02b48c6 RE |
1018 | |
1019 | /* ret == the error state, if NULL, make a new one */ | |
1020 | if (ret == NULL) | |
1021 | { | |
26a3a48d | 1022 | ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); |
d02b48c6 | 1023 | if (ret == NULL) return(&fallback); |
5f834ab1 GT |
1024 | ret->pid=pid; |
1025 | ret->pidptr=pidptr; | |
d02b48c6 RE |
1026 | ret->top=0; |
1027 | ret->bottom=0; | |
58964a49 RE |
1028 | for (i=0; i<ERR_NUM_ERRORS; i++) |
1029 | { | |
1030 | ret->err_data[i]=NULL; | |
1031 | ret->err_data_flags[i]=0; | |
1032 | } | |
566bdf2b GT |
1033 | tmpp = ERRFN(thread_set_item)(ret); |
1034 | /* To check if insertion failed, do a get. */ | |
78f79235 | 1035 | if (ERRFN(thread_get_item)(ret) != ret) |
dcba2534 BM |
1036 | { |
1037 | ERR_STATE_free(ret); /* could not insert it */ | |
1038 | return(&fallback); | |
1039 | } | |
566bdf2b GT |
1040 | /* If a race occured in this function and we came second, tmpp |
1041 | * is the first one that we just replaced. */ | |
78f79235 | 1042 | if (tmpp) |
58964a49 | 1043 | ERR_STATE_free(tmpp); |
d02b48c6 | 1044 | } |
78f79235 | 1045 | return ret; |
d02b48c6 RE |
1046 | } |
1047 | ||
6b691a5c | 1048 | int ERR_get_next_error_library(void) |
58964a49 | 1049 | { |
566bdf2b GT |
1050 | err_fns_check(); |
1051 | return ERRFN(get_next_lib)(); | |
58964a49 RE |
1052 | } |
1053 | ||
6b691a5c | 1054 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
1055 | { |
1056 | ERR_STATE *es; | |
1057 | int i; | |
1058 | ||
1059 | es=ERR_get_state(); | |
1060 | ||
1061 | i=es->top; | |
1062 | if (i == 0) | |
1063 | i=ERR_NUM_ERRORS-1; | |
1064 | ||
5d809414 | 1065 | err_clear_data(es,i); |
58964a49 | 1066 | es->err_data[i]=data; |
5d809414 | 1067 | es->err_data_flags[i]=flags; |
58964a49 RE |
1068 | } |
1069 | ||
4565c3e3 | 1070 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 1071 | { |
4565c3e3 | 1072 | va_list args; |
58964a49 RE |
1073 | int i,n,s; |
1074 | char *str,*p,*a; | |
1075 | ||
5d809414 | 1076 | s=80; |
26a3a48d | 1077 | str=OPENSSL_malloc(s+1); |
58964a49 RE |
1078 | if (str == NULL) return; |
1079 | str[0]='\0'; | |
1080 | ||
4565c3e3 | 1081 | va_start(args, num); |
58964a49 RE |
1082 | n=0; |
1083 | for (i=0; i<num; i++) | |
1084 | { | |
4565c3e3 | 1085 | a=va_arg(args, char*); |
dfeab068 RE |
1086 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
1087 | if (a != NULL) | |
58964a49 | 1088 | { |
dfeab068 RE |
1089 | n+=strlen(a); |
1090 | if (n > s) | |
58964a49 | 1091 | { |
dfeab068 | 1092 | s=n+20; |
26a3a48d | 1093 | p=OPENSSL_realloc(str,s+1); |
dfeab068 RE |
1094 | if (p == NULL) |
1095 | { | |
26a3a48d | 1096 | OPENSSL_free(str); |
98c2a26e | 1097 | goto err; |
dfeab068 RE |
1098 | } |
1099 | else | |
1100 | str=p; | |
58964a49 | 1101 | } |
70f34a58 | 1102 | BUF_strlcat(str,a,(size_t)s+1); |
58964a49 | 1103 | } |
58964a49 RE |
1104 | } |
1105 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
1106 | ||
98c2a26e | 1107 | err: |
4565c3e3 | 1108 | va_end(args); |
58964a49 | 1109 | } |
54f64516 RL |
1110 | |
1111 | int ERR_set_mark(void) | |
1112 | { | |
54f64516 RL |
1113 | ERR_STATE *es; |
1114 | ||
1115 | es=ERR_get_state(); | |
1116 | ||
1117 | if (es->bottom == es->top) return 0; | |
1118 | es->err_flags[es->top]|=ERR_FLAG_MARK; | |
1119 | return 1; | |
1120 | } | |
1121 | ||
1122 | int ERR_pop_to_mark(void) | |
1123 | { | |
54f64516 RL |
1124 | ERR_STATE *es; |
1125 | ||
1126 | es=ERR_get_state(); | |
1127 | ||
1128 | while(es->bottom != es->top | |
1129 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) | |
1130 | { | |
1131 | err_clear(es,es->top); | |
1132 | es->top-=1; | |
8c5a2bd6 | 1133 | if (es->top == -1) es->top=ERR_NUM_ERRORS-1; |
54f64516 RL |
1134 | } |
1135 | ||
1136 | if (es->bottom == es->top) return 0; | |
1137 | es->err_flags[es->top]&=~ERR_FLAG_MARK; | |
1138 | return 1; | |
1139 | } |