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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 | /* ==================================================================== |
cf5bfbfc | 59 | * Copyright (c) 1998-2001 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> |
ec577822 BM |
115 | #include <openssl/lhash.h> |
116 | #include <openssl/crypto.h> | |
d02b48c6 | 117 | #include "cryptlib.h" |
ec577822 | 118 | #include <openssl/buffer.h> |
e5c84d51 | 119 | #include <openssl/bio.h> |
dcba2534 | 120 | #include <openssl/err.h> |
d02b48c6 | 121 | |
cf5bfbfc BM |
122 | static void err_load_strings(int lib, ERR_STRING_DATA *str); |
123 | ||
58964a49 | 124 | static void ERR_STATE_free(ERR_STATE *s); |
cf1b7d96 | 125 | #ifndef OPENSSL_NO_ERR |
d02b48c6 RE |
126 | static ERR_STRING_DATA ERR_str_libraries[]= |
127 | { | |
128 | {ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"}, | |
129 | {ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"}, | |
130 | {ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"}, | |
131 | {ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"}, | |
132 | {ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"}, | |
133 | {ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"}, | |
134 | {ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"}, | |
d02b48c6 RE |
135 | {ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"}, |
136 | {ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"}, | |
5277d7cb | 137 | {ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"}, |
d02b48c6 | 138 | {ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"}, |
5277d7cb | 139 | {ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"}, |
657e60fa | 140 | {ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"}, |
5277d7cb BM |
141 | {ERR_PACK(ERR_LIB_CRYPTO,0,0) ,"common libcrypto routines"}, |
142 | {ERR_PACK(ERR_LIB_EC,0,0) ,"elliptic curve routines"}, | |
d02b48c6 | 143 | {ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"}, |
d02b48c6 RE |
144 | {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, |
145 | {ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"}, | |
834eeef9 | 146 | {ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"}, |
67d5ac03 | 147 | {ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"}, |
eb952088 | 148 | {ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"}, |
9ec0126e | 149 | {ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"}, |
5270e702 | 150 | {ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"}, |
8e961835 | 151 | {ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"}, |
d02b48c6 RE |
152 | {0,NULL}, |
153 | }; | |
154 | ||
155 | static ERR_STRING_DATA ERR_str_functs[]= | |
156 | { | |
157 | {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, | |
158 | {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, | |
159 | {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, | |
160 | {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, | |
161 | {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, | |
162 | {ERR_PACK(0,SYS_F_BIND,0), "bind"}, | |
163 | {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, | |
164 | {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, | |
bc36ee62 | 165 | #ifdef OPENSSL_SYS_WINDOWS |
d02b48c6 RE |
166 | {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, |
167 | #endif | |
a40f6dce | 168 | {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, |
d15711ef | 169 | {ERR_PACK(0,SYS_F_FREAD,0), "fread"}, |
d02b48c6 RE |
170 | {0,NULL}, |
171 | }; | |
172 | ||
173 | static ERR_STRING_DATA ERR_str_reasons[]= | |
174 | { | |
d02b48c6 RE |
175 | {ERR_R_SYS_LIB ,"system lib"}, |
176 | {ERR_R_BN_LIB ,"BN lib"}, | |
177 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
178 | {ERR_R_DH_LIB ,"DH lib"}, | |
179 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
180 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
d02b48c6 RE |
181 | {ERR_R_OBJ_LIB ,"OBJ lib"}, |
182 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
5277d7cb | 183 | {ERR_R_DSA_LIB ,"DSA lib"}, |
d02b48c6 | 184 | {ERR_R_X509_LIB ,"X509 lib"}, |
d02b48c6 RE |
185 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, |
186 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
5277d7cb BM |
187 | {ERR_R_CRYPTO_LIB ,"CRYPTO lib"}, |
188 | {ERR_R_EC_LIB ,"EC lib"}, | |
d02b48c6 | 189 | {ERR_R_SSL_LIB ,"SSL lib"}, |
d02b48c6 RE |
190 | {ERR_R_BIO_LIB ,"BIO lib"}, |
191 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
5277d7cb | 192 | {ERR_R_X509V3_LIB ,"X509V3 lib"}, |
67d5ac03 | 193 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
5277d7cb BM |
194 | {ERR_R_RAND_LIB ,"RAND lib"}, |
195 | {ERR_R_DSO_LIB ,"DSO lib"}, | |
196 | {ERR_R_ENGINE_LIB ,"ENGINE lib"}, | |
197 | {ERR_R_OCSP_LIB ,"OCSP lib"}, | |
198 | ||
dfeab068 RE |
199 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, |
200 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
201 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
202 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
203 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
204 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
5277d7cb BM |
205 | |
206 | {ERR_R_FATAL ,"fatal"}, | |
207 | {ERR_R_MALLOC_FAILURE ,"malloc failure"}, | |
208 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, | |
209 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, | |
210 | {ERR_R_INTERNAL_ERROR ,"internal error"}, | |
819ff32d | 211 | {ERR_R_DISABLED ,"called a function that was disabled at compile-time"}, |
dfeab068 | 212 | |
d02b48c6 RE |
213 | {0,NULL}, |
214 | }; | |
758f942b | 215 | #endif |
0a150c5c BM |
216 | |
217 | ||
566bdf2b GT |
218 | /* Define the predeclared (but externally opaque) "ERR_FNS" type */ |
219 | struct st_ERR_FNS | |
220 | { | |
221 | /* Works on the "error_hash" string table */ | |
9f29ec47 | 222 | LHASH *(*cb_err_get)(int create); |
566bdf2b GT |
223 | void (*cb_err_del)(void); |
224 | ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *); | |
225 | ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *); | |
1738bb61 | 226 | ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *); |
566bdf2b | 227 | /* Works on the "thread_hash" error-state table */ |
9f29ec47 | 228 | LHASH *(*cb_thread_get)(int create); |
11171f3c | 229 | void (*cb_thread_release)(LHASH **hash); |
566bdf2b GT |
230 | ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *); |
231 | ERR_STATE *(*cb_thread_set_item)(ERR_STATE *); | |
232 | void (*cb_thread_del_item)(const ERR_STATE *); | |
233 | /* Returns the next available error "library" numbers */ | |
234 | int (*cb_get_next_lib)(void); | |
235 | }; | |
236 | ||
237 | /* Predeclarations of the "err_defaults" functions */ | |
9f29ec47 | 238 | static LHASH *int_err_get(int create); |
566bdf2b GT |
239 | static void int_err_del(void); |
240 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | |
241 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | |
1738bb61 | 242 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); |
9f29ec47 | 243 | static LHASH *int_thread_get(int create); |
11171f3c | 244 | static void int_thread_release(LHASH **hash); |
566bdf2b GT |
245 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
246 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
247 | static void int_thread_del_item(const ERR_STATE *); | |
248 | static int int_err_get_next_lib(void); | |
249 | /* The static ERR_FNS table using these defaults functions */ | |
250 | static const ERR_FNS err_defaults = | |
251 | { | |
252 | int_err_get, | |
253 | int_err_del, | |
254 | int_err_get_item, | |
255 | int_err_set_item, | |
1738bb61 | 256 | int_err_del_item, |
566bdf2b | 257 | int_thread_get, |
11171f3c | 258 | int_thread_release, |
566bdf2b GT |
259 | int_thread_get_item, |
260 | int_thread_set_item, | |
261 | int_thread_del_item, | |
262 | int_err_get_next_lib | |
263 | }; | |
264 | ||
265 | /* The replacable table of ERR_FNS functions we use at run-time */ | |
266 | static const ERR_FNS *err_fns = NULL; | |
267 | ||
268 | /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | |
269 | #define ERRFN(a) err_fns->cb_##a | |
270 | ||
271 | /* The internal state used by "err_defaults" - as such, the setting, reading, | |
272 | * creating, and deleting of this data should only be permitted via the | |
273 | * "err_defaults" functions. This way, a linked module can completely defer all | |
274 | * ERR state operation (together with requisite locking) to the implementations | |
275 | * and state in the loading application. */ | |
78f79235 BM |
276 | static LHASH *int_error_hash = NULL; |
277 | static LHASH *int_thread_hash = NULL; | |
11171f3c | 278 | static int int_thread_hash_references = 0; |
78f79235 | 279 | static int int_err_library_number= ERR_LIB_USER; |
566bdf2b GT |
280 | |
281 | /* Internal function that checks whether "err_fns" is set and if not, sets it to | |
282 | * the defaults. */ | |
283 | static void err_fns_check(void) | |
284 | { | |
cf5bfbfc BM |
285 | if (err_fns) return; |
286 | ||
566bdf2b | 287 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
cf5bfbfc | 288 | if (!err_fns) |
566bdf2b GT |
289 | err_fns = &err_defaults; |
290 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
291 | } | |
292 | ||
293 | /* API functions to get or set the underlying ERR functions. */ | |
294 | ||
295 | const ERR_FNS *ERR_get_implementation(void) | |
296 | { | |
297 | err_fns_check(); | |
298 | return err_fns; | |
299 | } | |
300 | ||
301 | int ERR_set_implementation(const ERR_FNS *fns) | |
302 | { | |
78f79235 BM |
303 | int ret = 0; |
304 | ||
566bdf2b GT |
305 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
306 | /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting | |
307 | * an error is there?! */ | |
78f79235 | 308 | if (!err_fns) |
566bdf2b GT |
309 | { |
310 | err_fns = fns; | |
78f79235 | 311 | ret = 1; |
566bdf2b GT |
312 | } |
313 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 314 | return ret; |
566bdf2b GT |
315 | } |
316 | ||
317 | /* These are the callbacks provided to "lh_new()" when creating the LHASH tables | |
318 | * internal to the "err_defaults" implementation. */ | |
319 | ||
320 | /* static unsigned long err_hash(ERR_STRING_DATA *a); */ | |
321 | static unsigned long err_hash(const void *a_void); | |
322 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */ | |
323 | static int err_cmp(const void *a_void, const void *b_void); | |
324 | /* static unsigned long pid_hash(ERR_STATE *pid); */ | |
325 | static unsigned long pid_hash(const void *pid_void); | |
326 | /* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */ | |
327 | static int pid_cmp(const void *a_void,const void *pid_void); | |
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 | ||
9f29ec47 | 333 | static LHASH *int_err_get(int create) |
566bdf2b | 334 | { |
78f79235 BM |
335 | LHASH *ret = NULL; |
336 | ||
566bdf2b | 337 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
338 | if (!int_error_hash && create) |
339 | { | |
340 | CRYPTO_push_info("int_err_get (err.c)"); | |
566bdf2b | 341 | int_error_hash = lh_new(err_hash, err_cmp); |
9f29ec47 BM |
342 | CRYPTO_pop_info(); |
343 | } | |
78f79235 BM |
344 | if (int_error_hash) |
345 | ret = int_error_hash; | |
566bdf2b | 346 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
347 | |
348 | return ret; | |
566bdf2b | 349 | } |
567fef89 | 350 | |
566bdf2b GT |
351 | static void int_err_del(void) |
352 | { | |
353 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
78f79235 | 354 | if (int_error_hash) |
566bdf2b GT |
355 | { |
356 | lh_free(int_error_hash); | |
357 | int_error_hash = NULL; | |
566bdf2b GT |
358 | } |
359 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
360 | } | |
567fef89 | 361 | |
566bdf2b GT |
362 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
363 | { | |
364 | ERR_STRING_DATA *p; | |
365 | LHASH *hash; | |
78f79235 | 366 | |
566bdf2b | 367 | err_fns_check(); |
9f29ec47 | 368 | hash = ERRFN(err_get)(0); |
78f79235 | 369 | if (!hash) |
566bdf2b | 370 | return NULL; |
78f79235 | 371 | |
566bdf2b GT |
372 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
373 | p = (ERR_STRING_DATA *)lh_retrieve(hash, d); | |
374 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 375 | |
566bdf2b GT |
376 | return p; |
377 | } | |
567fef89 | 378 | |
566bdf2b GT |
379 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) |
380 | { | |
381 | ERR_STRING_DATA *p; | |
382 | LHASH *hash; | |
78f79235 | 383 | |
566bdf2b | 384 | err_fns_check(); |
9f29ec47 | 385 | hash = ERRFN(err_get)(1); |
78f79235 | 386 | if (!hash) |
566bdf2b | 387 | return NULL; |
78f79235 | 388 | |
567fef89 | 389 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
566bdf2b | 390 | p = (ERR_STRING_DATA *)lh_insert(hash, d); |
567fef89 | 391 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 392 | |
566bdf2b GT |
393 | return p; |
394 | } | |
567fef89 | 395 | |
1738bb61 GT |
396 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) |
397 | { | |
398 | ERR_STRING_DATA *p; | |
399 | LHASH *hash; | |
78f79235 | 400 | |
1738bb61 | 401 | err_fns_check(); |
9f29ec47 | 402 | hash = ERRFN(err_get)(0); |
78f79235 | 403 | if (!hash) |
1738bb61 | 404 | return NULL; |
78f79235 | 405 | |
567fef89 | 406 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
1738bb61 | 407 | p = (ERR_STRING_DATA *)lh_delete(hash, d); |
567fef89 | 408 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 409 | |
1738bb61 GT |
410 | return p; |
411 | } | |
567fef89 | 412 | |
9f29ec47 | 413 | static LHASH *int_thread_get(int create) |
566bdf2b | 414 | { |
78f79235 BM |
415 | LHASH *ret = NULL; |
416 | ||
566bdf2b | 417 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
418 | if (!int_thread_hash && create) |
419 | { | |
420 | CRYPTO_push_info("int_thread_get (err.c)"); | |
566bdf2b | 421 | int_thread_hash = lh_new(pid_hash, pid_cmp); |
9f29ec47 BM |
422 | CRYPTO_pop_info(); |
423 | } | |
78f79235 | 424 | if (int_thread_hash) |
11171f3c RL |
425 | { |
426 | int_thread_hash_references++; | |
78f79235 | 427 | ret = int_thread_hash; |
11171f3c | 428 | } |
566bdf2b | 429 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 430 | return ret; |
566bdf2b | 431 | } |
567fef89 | 432 | |
11171f3c RL |
433 | static void int_thread_release(LHASH **hash) |
434 | { | |
435 | int i; | |
436 | ||
437 | if (hash == NULL || *hash == NULL) | |
438 | return; | |
439 | ||
440 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); | |
441 | ||
442 | #ifdef REF_PRINT | |
443 | fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR"); | |
444 | #endif | |
445 | if (i > 0) return; | |
446 | #ifdef REF_CHECK | |
447 | if (i < 0) | |
448 | { | |
449 | fprintf(stderr,"int_thread_release, bad reference count\n"); | |
450 | abort(); /* ok */ | |
451 | } | |
452 | #endif | |
453 | *hash = NULL; | |
454 | } | |
455 | ||
566bdf2b GT |
456 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
457 | { | |
458 | ERR_STATE *p; | |
459 | LHASH *hash; | |
78f79235 | 460 | |
566bdf2b | 461 | err_fns_check(); |
9f29ec47 | 462 | hash = ERRFN(thread_get)(0); |
78f79235 | 463 | if (!hash) |
566bdf2b | 464 | return NULL; |
78f79235 | 465 | |
566bdf2b GT |
466 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
467 | p = (ERR_STATE *)lh_retrieve(hash, d); | |
468 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 469 | |
11171f3c | 470 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
471 | return p; |
472 | } | |
567fef89 | 473 | |
566bdf2b GT |
474 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
475 | { | |
476 | ERR_STATE *p; | |
477 | LHASH *hash; | |
78f79235 | 478 | |
566bdf2b | 479 | err_fns_check(); |
9f29ec47 | 480 | hash = ERRFN(thread_get)(1); |
78f79235 | 481 | if (!hash) |
566bdf2b | 482 | return NULL; |
78f79235 | 483 | |
567fef89 | 484 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
566bdf2b | 485 | p = (ERR_STATE *)lh_insert(hash, d); |
567fef89 | 486 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 487 | |
11171f3c | 488 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
489 | return p; |
490 | } | |
567fef89 | 491 | |
566bdf2b GT |
492 | static void int_thread_del_item(const ERR_STATE *d) |
493 | { | |
494 | ERR_STATE *p; | |
495 | LHASH *hash; | |
78f79235 | 496 | |
566bdf2b | 497 | err_fns_check(); |
9f29ec47 | 498 | hash = ERRFN(thread_get)(0); |
78f79235 | 499 | if (!hash) |
566bdf2b | 500 | return; |
78f79235 | 501 | |
566bdf2b GT |
502 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
503 | p = (ERR_STATE *)lh_delete(hash, d); | |
504 | /* make sure we don't leak memory */ | |
11171f3c RL |
505 | if (int_thread_hash_references == 1 |
506 | && int_thread_hash && (lh_num_items(int_thread_hash) == 0)) | |
566bdf2b GT |
507 | { |
508 | lh_free(int_thread_hash); | |
509 | int_thread_hash = NULL; | |
566bdf2b GT |
510 | } |
511 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 512 | |
11171f3c | 513 | ERRFN(thread_release)(&hash); |
78f79235 | 514 | if (p) |
566bdf2b GT |
515 | ERR_STATE_free(p); |
516 | } | |
567fef89 | 517 | |
566bdf2b GT |
518 | static int int_err_get_next_lib(void) |
519 | { | |
78f79235 BM |
520 | int ret; |
521 | ||
566bdf2b | 522 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
78f79235 | 523 | ret = int_err_library_number++; |
566bdf2b | 524 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
525 | |
526 | return ret; | |
566bdf2b GT |
527 | } |
528 | ||
529 | ||
758f942b | 530 | #ifndef OPENSSL_NO_ERR |
0a150c5c BM |
531 | #define NUM_SYS_STR_REASONS 127 |
532 | #define LEN_SYS_STR_REASON 32 | |
533 | ||
534 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
535 | /* SYS_str_reasons is filled with copies of strerror() results at | |
536 | * initialization. | |
537 | * 'errno' values up to 127 should cover all usual errors, | |
538 | * others will be displayed numerically by ERR_error_string. | |
539 | * It is crucial that we have something for each reason code | |
540 | * that occurs in ERR_str_reasons, or bogus reason strings | |
541 | * will be returned for SYSerr(), which always gets an errno | |
542 | * value and never one of those 'standard' reason codes. */ | |
543 | ||
41a15c4f | 544 | static void build_SYS_str_reasons(void) |
0a150c5c | 545 | { |
26a3a48d | 546 | /* OPENSSL_malloc cannot be used here, use static storage instead */ |
0a150c5c BM |
547 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; |
548 | int i; | |
cf5bfbfc BM |
549 | static int init = 1; |
550 | ||
551 | if (!init) return; | |
0a150c5c | 552 | |
78f79235 | 553 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
0a150c5c BM |
554 | |
555 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
556 | { | |
557 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
558 | ||
559 | str->error = (unsigned long)i; | |
560 | if (str->string == NULL) | |
561 | { | |
562 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
563 | char *src = strerror(i); | |
564 | if (src != NULL) | |
565 | { | |
566 | strncpy(*dest, src, sizeof *dest); | |
567 | (*dest)[sizeof *dest - 1] = '\0'; | |
568 | str->string = *dest; | |
569 | } | |
570 | } | |
571 | if (str->string == NULL) | |
572 | str->string = "unknown"; | |
573 | } | |
574 | ||
575 | /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
576 | * as required by ERR_load_strings. */ | |
577 | ||
cf5bfbfc BM |
578 | init = 0; |
579 | ||
78f79235 | 580 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0a150c5c | 581 | } |
d02b48c6 RE |
582 | #endif |
583 | ||
58964a49 | 584 | #define err_clear_data(p,i) \ |
54f64516 | 585 | do { \ |
58964a49 RE |
586 | if (((p)->err_data[i] != NULL) && \ |
587 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
588 | { \ | |
26a3a48d | 589 | OPENSSL_free((p)->err_data[i]); \ |
58964a49 RE |
590 | (p)->err_data[i]=NULL; \ |
591 | } \ | |
54f64516 RL |
592 | (p)->err_data_flags[i]=0; \ |
593 | } while(0) | |
594 | ||
595 | #define err_clear(p,i) \ | |
596 | do { \ | |
a5e8bcfb RL |
597 | (p)->err_flags[i]=0; \ |
598 | (p)->err_buffer[i]=0; \ | |
54f64516 | 599 | err_clear_data(p,i); \ |
a5e8bcfb RL |
600 | (p)->err_file[i]=NULL; \ |
601 | (p)->err_line[i]= -1; \ | |
54f64516 | 602 | } while(0) |
58964a49 | 603 | |
6b691a5c | 604 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
605 | { |
606 | int i; | |
607 | ||
78f79235 | 608 | if (s == NULL) |
e03ddfae BL |
609 | return; |
610 | ||
58964a49 RE |
611 | for (i=0; i<ERR_NUM_ERRORS; i++) |
612 | { | |
613 | err_clear_data(s,i); | |
614 | } | |
26a3a48d | 615 | OPENSSL_free(s); |
58964a49 RE |
616 | } |
617 | ||
6b691a5c | 618 | void ERR_load_ERR_strings(void) |
d02b48c6 | 619 | { |
cf5bfbfc | 620 | err_fns_check(); |
cf1b7d96 | 621 | #ifndef OPENSSL_NO_ERR |
cf5bfbfc BM |
622 | err_load_strings(0,ERR_str_libraries); |
623 | err_load_strings(0,ERR_str_reasons); | |
624 | err_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
625 | build_SYS_str_reasons(); | |
626 | err_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
d02b48c6 | 627 | #endif |
d02b48c6 RE |
628 | } |
629 | ||
cf5bfbfc | 630 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 | 631 | { |
d02b48c6 RE |
632 | while (str->error) |
633 | { | |
bc3cae7e DSH |
634 | if (lib) |
635 | str->error|=ERR_PACK(lib,0,0); | |
566bdf2b | 636 | ERRFN(err_set_item)(str); |
d02b48c6 RE |
637 | str++; |
638 | } | |
d02b48c6 RE |
639 | } |
640 | ||
cf5bfbfc BM |
641 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
642 | { | |
e4decc41 | 643 | ERR_load_ERR_strings(); |
cf5bfbfc BM |
644 | err_load_strings(lib, str); |
645 | } | |
646 | ||
1738bb61 GT |
647 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
648 | { | |
78f79235 | 649 | while (str->error) |
1738bb61 | 650 | { |
bc3cae7e DSH |
651 | if (lib) |
652 | str->error|=ERR_PACK(lib,0,0); | |
1738bb61 GT |
653 | ERRFN(err_del_item)(str); |
654 | str++; | |
655 | } | |
656 | } | |
657 | ||
6b691a5c | 658 | void ERR_free_strings(void) |
d02b48c6 | 659 | { |
566bdf2b GT |
660 | err_fns_check(); |
661 | ERRFN(err_del)(); | |
d02b48c6 RE |
662 | } |
663 | ||
58964a49 RE |
664 | /********************************************************/ |
665 | ||
6b691a5c UM |
666 | void ERR_put_error(int lib, int func, int reason, const char *file, |
667 | int line) | |
d02b48c6 RE |
668 | { |
669 | ERR_STATE *es; | |
670 | ||
a53955d8 UM |
671 | #ifdef _OSD_POSIX |
672 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
673 | * path names in the form "*POSIX(/etc/passwd)". | |
674 | * This dirty hack strips them to something sensible. | |
675 | * @@@ We shouldn't modify a const string, though. | |
676 | */ | |
677 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
678 | char *end; | |
679 | ||
680 | /* Skip the "*POSIX(" prefix */ | |
681 | file += sizeof("*POSIX(")-1; | |
682 | end = &file[strlen(file)-1]; | |
683 | if (*end == ')') | |
684 | *end = '\0'; | |
685 | /* Optional: use the basename of the path only. */ | |
686 | if ((end = strrchr(file, '/')) != NULL) | |
687 | file = &end[1]; | |
688 | } | |
689 | #endif | |
d02b48c6 RE |
690 | es=ERR_get_state(); |
691 | ||
692 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
693 | if (es->top == es->bottom) | |
694 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
54f64516 | 695 | es->err_flags[es->top]=0; |
d02b48c6 RE |
696 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); |
697 | es->err_file[es->top]=file; | |
698 | es->err_line[es->top]=line; | |
58964a49 | 699 | err_clear_data(es,es->top); |
d02b48c6 RE |
700 | } |
701 | ||
6b691a5c | 702 | void ERR_clear_error(void) |
d02b48c6 | 703 | { |
5d809414 | 704 | int i; |
d02b48c6 RE |
705 | ERR_STATE *es; |
706 | ||
707 | es=ERR_get_state(); | |
708 | ||
709 | for (i=0; i<ERR_NUM_ERRORS; i++) | |
710 | { | |
54f64516 | 711 | err_clear(es,i); |
d02b48c6 RE |
712 | } |
713 | es->top=es->bottom=0; | |
714 | } | |
715 | ||
d02b48c6 | 716 | |
6b691a5c | 717 | unsigned long ERR_get_error(void) |
a14e2d9d | 718 | { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 719 | |
6b691a5c UM |
720 | unsigned long ERR_get_error_line(const char **file, |
721 | int *line) | |
a14e2d9d | 722 | { return(get_error_values(1,0,file,line,NULL,NULL)); } |
d02b48c6 | 723 | |
6b691a5c UM |
724 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
725 | const char **data, int *flags) | |
a14e2d9d | 726 | { return(get_error_values(1,0,file,line,data,flags)); } |
d02b48c6 | 727 | |
273db408 | 728 | |
6b691a5c | 729 | unsigned long ERR_peek_error(void) |
a14e2d9d | 730 | { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 731 | |
a14e2d9d BM |
732 | unsigned long ERR_peek_error_line(const char **file, int *line) |
733 | { return(get_error_values(0,0,file,line,NULL,NULL)); } | |
0fc5cf08 | 734 | |
6b691a5c UM |
735 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
736 | const char **data, int *flags) | |
a14e2d9d BM |
737 | { return(get_error_values(0,0,file,line,data,flags)); } |
738 | ||
273db408 BM |
739 | |
740 | unsigned long ERR_peek_last_error(void) | |
741 | { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); } | |
742 | ||
743 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
744 | { return(get_error_values(0,1,file,line,NULL,NULL)); } | |
745 | ||
a14e2d9d BM |
746 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
747 | const char **data, int *flags) | |
748 | { return(get_error_values(0,1,file,line,data,flags)); } | |
6b691a5c | 749 | |
273db408 | 750 | |
a14e2d9d | 751 | static unsigned long get_error_values(int inc, int top, const char **file, int *line, |
6b691a5c | 752 | const char **data, int *flags) |
58964a49 RE |
753 | { |
754 | int i=0; | |
d02b48c6 | 755 | ERR_STATE *es; |
58964a49 | 756 | unsigned long ret; |
d02b48c6 RE |
757 | |
758 | es=ERR_get_state(); | |
759 | ||
a14e2d9d BM |
760 | if (inc && top) |
761 | { | |
762 | if (file) *file = ""; | |
763 | if (line) *line = 0; | |
764 | if (data) *data = ""; | |
765 | if (flags) *flags = 0; | |
766 | ||
767 | return ERR_R_INTERNAL_ERROR; | |
768 | } | |
769 | ||
78f79235 | 770 | if (es->bottom == es->top) return 0; |
a14e2d9d | 771 | if (top) |
016029c6 | 772 | i=es->top; /* last error */ |
a14e2d9d BM |
773 | else |
774 | i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */ | |
58964a49 RE |
775 | |
776 | ret=es->err_buffer[i]; | |
777 | if (inc) | |
d02b48c6 | 778 | { |
58964a49 RE |
779 | es->bottom=i; |
780 | es->err_buffer[i]=0; | |
d02b48c6 | 781 | } |
58964a49 RE |
782 | |
783 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 784 | { |
58964a49 RE |
785 | if (es->err_file[i] == NULL) |
786 | { | |
787 | *file="NA"; | |
788 | if (line != NULL) *line=0; | |
789 | } | |
790 | else | |
791 | { | |
792 | *file=es->err_file[i]; | |
793 | if (line != NULL) *line=es->err_line[i]; | |
794 | } | |
d02b48c6 | 795 | } |
d02b48c6 | 796 | |
f51cf14b BM |
797 | if (data == NULL) |
798 | { | |
d3ee37c5 | 799 | if (inc) |
f51cf14b | 800 | { |
d3ee37c5 | 801 | err_clear_data(es, i); |
f51cf14b BM |
802 | } |
803 | } | |
804 | else | |
58964a49 RE |
805 | { |
806 | if (es->err_data[i] == NULL) | |
807 | { | |
808 | *data=""; | |
809 | if (flags != NULL) *flags=0; | |
810 | } | |
811 | else | |
812 | { | |
813 | *data=es->err_data[i]; | |
814 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
815 | } | |
816 | } | |
78f79235 | 817 | return ret; |
d02b48c6 RE |
818 | } |
819 | ||
e5c84d51 | 820 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
d02b48c6 | 821 | { |
e5c84d51 | 822 | char lsbuf[64], fsbuf[64], rsbuf[64]; |
e778802f | 823 | const char *ls,*fs,*rs; |
d02b48c6 | 824 | unsigned long l,f,r; |
d02b48c6 RE |
825 | |
826 | l=ERR_GET_LIB(e); | |
827 | f=ERR_GET_FUNC(e); | |
828 | r=ERR_GET_REASON(e); | |
829 | ||
830 | ls=ERR_lib_error_string(e); | |
831 | fs=ERR_func_error_string(e); | |
832 | rs=ERR_reason_error_string(e); | |
833 | ||
e5c84d51 BM |
834 | if (ls == NULL) |
835 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
d02b48c6 | 836 | if (fs == NULL) |
e5c84d51 | 837 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
d02b48c6 | 838 | if (rs == NULL) |
e5c84d51 BM |
839 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
840 | ||
841 | BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
842 | fs?fs:fsbuf, rs?rs:rsbuf); | |
843 | if (strlen(buf) == len-1) | |
844 | { | |
845 | /* output may be truncated; make sure we always have 5 | |
846 | * colon-separated fields, i.e. 4 colons ... */ | |
847 | #define NUM_COLONS 4 | |
848 | if (len > NUM_COLONS) /* ... if possible */ | |
849 | { | |
850 | int i; | |
851 | char *s = buf; | |
852 | ||
853 | for (i = 0; i < NUM_COLONS; i++) | |
854 | { | |
855 | char *colon = strchr(s, ':'); | |
856 | if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) | |
857 | { | |
858 | /* set colon no. i at last possible position | |
859 | * (buf[len-1] is the terminating 0)*/ | |
860 | colon = &buf[len-1] - NUM_COLONS + i; | |
861 | *colon = ':'; | |
862 | } | |
863 | s = colon + 1; | |
864 | } | |
865 | } | |
866 | } | |
867 | } | |
868 | ||
869 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
870 | /* ERR_error_string_n should be used instead for ret != NULL | |
871 | * as ERR_error_string cannot know how large the buffer is */ | |
872 | char *ERR_error_string(unsigned long e, char *ret) | |
873 | { | |
874 | static char buf[256]; | |
875 | ||
876 | if (ret == NULL) ret=buf; | |
065866b2 | 877 | ERR_error_string_n(e, ret, 256); |
d02b48c6 | 878 | |
78f79235 | 879 | return ret; |
d02b48c6 RE |
880 | } |
881 | ||
6b691a5c | 882 | LHASH *ERR_get_string_table(void) |
d02b48c6 | 883 | { |
566bdf2b | 884 | err_fns_check(); |
9f29ec47 | 885 | return ERRFN(err_get)(0); |
d02b48c6 RE |
886 | } |
887 | ||
6b691a5c | 888 | LHASH *ERR_get_err_state_table(void) |
d02b48c6 | 889 | { |
566bdf2b | 890 | err_fns_check(); |
9f29ec47 | 891 | return ERRFN(thread_get)(0); |
d02b48c6 RE |
892 | } |
893 | ||
11171f3c RL |
894 | void ERR_release_err_state_table(LHASH **hash) |
895 | { | |
896 | err_fns_check(); | |
897 | ERRFN(thread_release)(hash); | |
898 | } | |
899 | ||
6b691a5c | 900 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 | 901 | { |
566bdf2b | 902 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
903 | unsigned long l; |
904 | ||
566bdf2b | 905 | err_fns_check(); |
d02b48c6 | 906 | l=ERR_GET_LIB(e); |
566bdf2b GT |
907 | d.error=ERR_PACK(l,0,0); |
908 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
909 | return((p == NULL)?NULL:p->string); |
910 | } | |
911 | ||
6b691a5c | 912 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 | 913 | { |
566bdf2b | 914 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
915 | unsigned long l,f; |
916 | ||
566bdf2b | 917 | err_fns_check(); |
d02b48c6 RE |
918 | l=ERR_GET_LIB(e); |
919 | f=ERR_GET_FUNC(e); | |
566bdf2b GT |
920 | d.error=ERR_PACK(l,f,0); |
921 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
922 | return((p == NULL)?NULL:p->string); |
923 | } | |
924 | ||
6b691a5c | 925 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
926 | { |
927 | ERR_STRING_DATA d,*p=NULL; | |
928 | unsigned long l,r; | |
929 | ||
566bdf2b | 930 | err_fns_check(); |
d02b48c6 RE |
931 | l=ERR_GET_LIB(e); |
932 | r=ERR_GET_REASON(e); | |
566bdf2b GT |
933 | d.error=ERR_PACK(l,0,r); |
934 | p=ERRFN(err_get_item)(&d); | |
78f79235 | 935 | if (!p) |
d02b48c6 | 936 | { |
566bdf2b GT |
937 | d.error=ERR_PACK(0,0,r); |
938 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 | 939 | } |
d02b48c6 RE |
940 | return((p == NULL)?NULL:p->string); |
941 | } | |
942 | ||
d0fa136c | 943 | /* static unsigned long err_hash(ERR_STRING_DATA *a) */ |
8d28d5f8 | 944 | static unsigned long err_hash(const void *a_void) |
d02b48c6 RE |
945 | { |
946 | unsigned long ret,l; | |
947 | ||
70f34a58 | 948 | l=((const ERR_STRING_DATA *)a_void)->error; |
d02b48c6 RE |
949 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); |
950 | return(ret^ret%19*13); | |
951 | } | |
952 | ||
d0fa136c | 953 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */ |
8d28d5f8 | 954 | static int err_cmp(const void *a_void, const void *b_void) |
d02b48c6 | 955 | { |
70f34a58 NL |
956 | return((int)(((const ERR_STRING_DATA *)a_void)->error - |
957 | ((const ERR_STRING_DATA *)b_void)->error)); | |
d02b48c6 RE |
958 | } |
959 | ||
d0fa136c | 960 | /* static unsigned long pid_hash(ERR_STATE *a) */ |
8d28d5f8 | 961 | static unsigned long pid_hash(const void *a_void) |
d02b48c6 | 962 | { |
70f34a58 | 963 | return(((const ERR_STATE *)a_void)->pid*13); |
d02b48c6 RE |
964 | } |
965 | ||
d0fa136c | 966 | /* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */ |
8d28d5f8 | 967 | static int pid_cmp(const void *a_void, const void *b_void) |
d02b48c6 | 968 | { |
70f34a58 NL |
969 | return((int)((long)((const ERR_STATE *)a_void)->pid - |
970 | (long)((const ERR_STATE *)b_void)->pid)); | |
d02b48c6 RE |
971 | } |
972 | ||
6b691a5c | 973 | void ERR_remove_state(unsigned long pid) |
d02b48c6 | 974 | { |
566bdf2b | 975 | ERR_STATE tmp; |
78f79235 | 976 | |
566bdf2b | 977 | err_fns_check(); |
d02b48c6 RE |
978 | if (pid == 0) |
979 | pid=(unsigned long)CRYPTO_thread_id(); | |
980 | tmp.pid=pid; | |
566bdf2b GT |
981 | /* thread_del_item automatically destroys the LHASH if the number of |
982 | * items reaches zero. */ | |
983 | ERRFN(thread_del_item)(&tmp); | |
d02b48c6 RE |
984 | } |
985 | ||
6b691a5c | 986 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
987 | { |
988 | static ERR_STATE fallback; | |
566bdf2b | 989 | ERR_STATE *ret,tmp,*tmpp=NULL; |
58964a49 | 990 | int i; |
d02b48c6 | 991 | unsigned long pid; |
78f79235 | 992 | |
566bdf2b | 993 | err_fns_check(); |
d02b48c6 | 994 | pid=(unsigned long)CRYPTO_thread_id(); |
566bdf2b GT |
995 | tmp.pid=pid; |
996 | ret=ERRFN(thread_get_item)(&tmp); | |
d02b48c6 RE |
997 | |
998 | /* ret == the error state, if NULL, make a new one */ | |
999 | if (ret == NULL) | |
1000 | { | |
26a3a48d | 1001 | ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); |
d02b48c6 RE |
1002 | if (ret == NULL) return(&fallback); |
1003 | ret->pid=pid; | |
1004 | ret->top=0; | |
1005 | ret->bottom=0; | |
58964a49 RE |
1006 | for (i=0; i<ERR_NUM_ERRORS; i++) |
1007 | { | |
1008 | ret->err_data[i]=NULL; | |
1009 | ret->err_data_flags[i]=0; | |
1010 | } | |
566bdf2b GT |
1011 | tmpp = ERRFN(thread_set_item)(ret); |
1012 | /* To check if insertion failed, do a get. */ | |
78f79235 | 1013 | if (ERRFN(thread_get_item)(ret) != ret) |
dcba2534 BM |
1014 | { |
1015 | ERR_STATE_free(ret); /* could not insert it */ | |
1016 | return(&fallback); | |
1017 | } | |
566bdf2b GT |
1018 | /* If a race occured in this function and we came second, tmpp |
1019 | * is the first one that we just replaced. */ | |
78f79235 | 1020 | if (tmpp) |
58964a49 | 1021 | ERR_STATE_free(tmpp); |
d02b48c6 | 1022 | } |
78f79235 | 1023 | return ret; |
d02b48c6 RE |
1024 | } |
1025 | ||
6b691a5c | 1026 | int ERR_get_next_error_library(void) |
58964a49 | 1027 | { |
566bdf2b GT |
1028 | err_fns_check(); |
1029 | return ERRFN(get_next_lib)(); | |
58964a49 RE |
1030 | } |
1031 | ||
6b691a5c | 1032 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
1033 | { |
1034 | ERR_STATE *es; | |
1035 | int i; | |
1036 | ||
1037 | es=ERR_get_state(); | |
1038 | ||
1039 | i=es->top; | |
1040 | if (i == 0) | |
1041 | i=ERR_NUM_ERRORS-1; | |
1042 | ||
5d809414 | 1043 | err_clear_data(es,i); |
58964a49 | 1044 | es->err_data[i]=data; |
5d809414 | 1045 | es->err_data_flags[i]=flags; |
58964a49 RE |
1046 | } |
1047 | ||
4565c3e3 | 1048 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 1049 | { |
4565c3e3 | 1050 | va_list args; |
58964a49 RE |
1051 | int i,n,s; |
1052 | char *str,*p,*a; | |
1053 | ||
5d809414 | 1054 | s=80; |
26a3a48d | 1055 | str=OPENSSL_malloc(s+1); |
58964a49 RE |
1056 | if (str == NULL) return; |
1057 | str[0]='\0'; | |
1058 | ||
4565c3e3 | 1059 | va_start(args, num); |
58964a49 RE |
1060 | n=0; |
1061 | for (i=0; i<num; i++) | |
1062 | { | |
4565c3e3 | 1063 | a=va_arg(args, char*); |
dfeab068 RE |
1064 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
1065 | if (a != NULL) | |
58964a49 | 1066 | { |
dfeab068 RE |
1067 | n+=strlen(a); |
1068 | if (n > s) | |
58964a49 | 1069 | { |
dfeab068 | 1070 | s=n+20; |
26a3a48d | 1071 | p=OPENSSL_realloc(str,s+1); |
dfeab068 RE |
1072 | if (p == NULL) |
1073 | { | |
26a3a48d | 1074 | OPENSSL_free(str); |
98c2a26e | 1075 | goto err; |
dfeab068 RE |
1076 | } |
1077 | else | |
1078 | str=p; | |
58964a49 | 1079 | } |
70f34a58 | 1080 | BUF_strlcat(str,a,(size_t)s+1); |
58964a49 | 1081 | } |
58964a49 RE |
1082 | } |
1083 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
1084 | ||
98c2a26e | 1085 | err: |
4565c3e3 | 1086 | va_end(args); |
58964a49 | 1087 | } |
54f64516 RL |
1088 | |
1089 | int ERR_set_mark(void) | |
1090 | { | |
54f64516 RL |
1091 | ERR_STATE *es; |
1092 | ||
1093 | es=ERR_get_state(); | |
1094 | ||
1095 | if (es->bottom == es->top) return 0; | |
1096 | es->err_flags[es->top]|=ERR_FLAG_MARK; | |
1097 | return 1; | |
1098 | } | |
1099 | ||
1100 | int ERR_pop_to_mark(void) | |
1101 | { | |
54f64516 RL |
1102 | ERR_STATE *es; |
1103 | ||
1104 | es=ERR_get_state(); | |
1105 | ||
1106 | while(es->bottom != es->top | |
1107 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) | |
1108 | { | |
1109 | err_clear(es,es->top); | |
1110 | es->top-=1; | |
1111 | if (es->top == -1) es->top=ERR_NUM_ERRORS; | |
1112 | } | |
1113 | ||
1114 | if (es->bottom == es->top) return 0; | |
1115 | es->err_flags[es->top]&=~ERR_FLAG_MARK; | |
1116 | return 1; | |
1117 | } |