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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"}, |
d02b48c6 RE |
169 | {0,NULL}, |
170 | }; | |
171 | ||
172 | static ERR_STRING_DATA ERR_str_reasons[]= | |
173 | { | |
d02b48c6 RE |
174 | {ERR_R_SYS_LIB ,"system lib"}, |
175 | {ERR_R_BN_LIB ,"BN lib"}, | |
176 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
177 | {ERR_R_DH_LIB ,"DH lib"}, | |
178 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
179 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
d02b48c6 RE |
180 | {ERR_R_OBJ_LIB ,"OBJ lib"}, |
181 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
5277d7cb | 182 | {ERR_R_DSA_LIB ,"DSA lib"}, |
d02b48c6 | 183 | {ERR_R_X509_LIB ,"X509 lib"}, |
d02b48c6 RE |
184 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, |
185 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
5277d7cb BM |
186 | {ERR_R_CRYPTO_LIB ,"CRYPTO lib"}, |
187 | {ERR_R_EC_LIB ,"EC lib"}, | |
d02b48c6 | 188 | {ERR_R_SSL_LIB ,"SSL lib"}, |
d02b48c6 RE |
189 | {ERR_R_BIO_LIB ,"BIO lib"}, |
190 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
5277d7cb | 191 | {ERR_R_X509V3_LIB ,"X509V3 lib"}, |
67d5ac03 | 192 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
5277d7cb BM |
193 | {ERR_R_RAND_LIB ,"RAND lib"}, |
194 | {ERR_R_DSO_LIB ,"DSO lib"}, | |
195 | {ERR_R_ENGINE_LIB ,"ENGINE lib"}, | |
196 | {ERR_R_OCSP_LIB ,"OCSP lib"}, | |
197 | ||
dfeab068 RE |
198 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, |
199 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
200 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
201 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
202 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
203 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
5277d7cb BM |
204 | |
205 | {ERR_R_FATAL ,"fatal"}, | |
206 | {ERR_R_MALLOC_FAILURE ,"malloc failure"}, | |
207 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, | |
208 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, | |
209 | {ERR_R_INTERNAL_ERROR ,"internal error"}, | |
dfeab068 | 210 | |
d02b48c6 RE |
211 | {0,NULL}, |
212 | }; | |
0a150c5c BM |
213 | |
214 | ||
566bdf2b GT |
215 | /* Define the predeclared (but externally opaque) "ERR_FNS" type */ |
216 | struct st_ERR_FNS | |
217 | { | |
218 | /* Works on the "error_hash" string table */ | |
9f29ec47 | 219 | LHASH *(*cb_err_get)(int create); |
566bdf2b GT |
220 | void (*cb_err_del)(void); |
221 | ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *); | |
222 | ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *); | |
1738bb61 | 223 | ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *); |
566bdf2b | 224 | /* Works on the "thread_hash" error-state table */ |
9f29ec47 | 225 | LHASH *(*cb_thread_get)(int create); |
566bdf2b GT |
226 | ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *); |
227 | ERR_STATE *(*cb_thread_set_item)(ERR_STATE *); | |
228 | void (*cb_thread_del_item)(const ERR_STATE *); | |
229 | /* Returns the next available error "library" numbers */ | |
230 | int (*cb_get_next_lib)(void); | |
231 | }; | |
232 | ||
233 | /* Predeclarations of the "err_defaults" functions */ | |
9f29ec47 | 234 | static LHASH *int_err_get(int create); |
566bdf2b GT |
235 | static void int_err_del(void); |
236 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | |
237 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | |
1738bb61 | 238 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); |
9f29ec47 | 239 | static LHASH *int_thread_get(int create); |
566bdf2b GT |
240 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
241 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
242 | static void int_thread_del_item(const ERR_STATE *); | |
243 | static int int_err_get_next_lib(void); | |
244 | /* The static ERR_FNS table using these defaults functions */ | |
245 | static const ERR_FNS err_defaults = | |
246 | { | |
247 | int_err_get, | |
248 | int_err_del, | |
249 | int_err_get_item, | |
250 | int_err_set_item, | |
1738bb61 | 251 | int_err_del_item, |
566bdf2b GT |
252 | int_thread_get, |
253 | int_thread_get_item, | |
254 | int_thread_set_item, | |
255 | int_thread_del_item, | |
256 | int_err_get_next_lib | |
257 | }; | |
258 | ||
259 | /* The replacable table of ERR_FNS functions we use at run-time */ | |
260 | static const ERR_FNS *err_fns = NULL; | |
261 | ||
262 | /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | |
263 | #define ERRFN(a) err_fns->cb_##a | |
264 | ||
265 | /* The internal state used by "err_defaults" - as such, the setting, reading, | |
266 | * creating, and deleting of this data should only be permitted via the | |
267 | * "err_defaults" functions. This way, a linked module can completely defer all | |
268 | * ERR state operation (together with requisite locking) to the implementations | |
269 | * and state in the loading application. */ | |
78f79235 BM |
270 | static LHASH *int_error_hash = NULL; |
271 | static LHASH *int_thread_hash = NULL; | |
272 | static int int_err_library_number= ERR_LIB_USER; | |
566bdf2b GT |
273 | |
274 | /* Internal function that checks whether "err_fns" is set and if not, sets it to | |
275 | * the defaults. */ | |
276 | static void err_fns_check(void) | |
277 | { | |
cf5bfbfc BM |
278 | if (err_fns) return; |
279 | ||
566bdf2b | 280 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
cf5bfbfc | 281 | if (!err_fns) |
566bdf2b GT |
282 | err_fns = &err_defaults; |
283 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
284 | } | |
285 | ||
286 | /* API functions to get or set the underlying ERR functions. */ | |
287 | ||
288 | const ERR_FNS *ERR_get_implementation(void) | |
289 | { | |
290 | err_fns_check(); | |
291 | return err_fns; | |
292 | } | |
293 | ||
294 | int ERR_set_implementation(const ERR_FNS *fns) | |
295 | { | |
78f79235 BM |
296 | int ret = 0; |
297 | ||
566bdf2b GT |
298 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
299 | /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting | |
300 | * an error is there?! */ | |
78f79235 | 301 | if (!err_fns) |
566bdf2b GT |
302 | { |
303 | err_fns = fns; | |
78f79235 | 304 | ret = 1; |
566bdf2b GT |
305 | } |
306 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 307 | return ret; |
566bdf2b GT |
308 | } |
309 | ||
310 | /* These are the callbacks provided to "lh_new()" when creating the LHASH tables | |
311 | * internal to the "err_defaults" implementation. */ | |
312 | ||
313 | /* static unsigned long err_hash(ERR_STRING_DATA *a); */ | |
314 | static unsigned long err_hash(const void *a_void); | |
315 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */ | |
316 | static int err_cmp(const void *a_void, const void *b_void); | |
317 | /* static unsigned long pid_hash(ERR_STATE *pid); */ | |
318 | static unsigned long pid_hash(const void *pid_void); | |
319 | /* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */ | |
320 | static int pid_cmp(const void *a_void,const void *pid_void); | |
321 | static unsigned long get_error_values(int inc,const char **file,int *line, | |
322 | const char **data,int *flags); | |
323 | ||
324 | /* The internal functions used in the "err_defaults" implementation */ | |
325 | ||
9f29ec47 | 326 | static LHASH *int_err_get(int create) |
566bdf2b | 327 | { |
78f79235 BM |
328 | LHASH *ret = NULL; |
329 | ||
566bdf2b | 330 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
331 | if (!int_error_hash && create) |
332 | { | |
333 | CRYPTO_push_info("int_err_get (err.c)"); | |
566bdf2b | 334 | int_error_hash = lh_new(err_hash, err_cmp); |
9f29ec47 BM |
335 | CRYPTO_pop_info(); |
336 | } | |
78f79235 BM |
337 | if (int_error_hash) |
338 | ret = int_error_hash; | |
566bdf2b | 339 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
340 | |
341 | return ret; | |
566bdf2b | 342 | } |
567fef89 | 343 | |
566bdf2b GT |
344 | static void int_err_del(void) |
345 | { | |
346 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
78f79235 | 347 | if (int_error_hash) |
566bdf2b GT |
348 | { |
349 | lh_free(int_error_hash); | |
350 | int_error_hash = NULL; | |
566bdf2b GT |
351 | } |
352 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
353 | } | |
567fef89 | 354 | |
566bdf2b GT |
355 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
356 | { | |
357 | ERR_STRING_DATA *p; | |
358 | LHASH *hash; | |
78f79235 | 359 | |
566bdf2b | 360 | err_fns_check(); |
9f29ec47 | 361 | hash = ERRFN(err_get)(0); |
78f79235 | 362 | if (!hash) |
566bdf2b | 363 | return NULL; |
78f79235 | 364 | |
566bdf2b GT |
365 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
366 | p = (ERR_STRING_DATA *)lh_retrieve(hash, d); | |
367 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 368 | |
566bdf2b GT |
369 | return p; |
370 | } | |
567fef89 | 371 | |
566bdf2b GT |
372 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) |
373 | { | |
374 | ERR_STRING_DATA *p; | |
375 | LHASH *hash; | |
78f79235 | 376 | |
566bdf2b | 377 | err_fns_check(); |
9f29ec47 | 378 | hash = ERRFN(err_get)(1); |
78f79235 | 379 | if (!hash) |
566bdf2b | 380 | return NULL; |
78f79235 | 381 | |
567fef89 | 382 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
566bdf2b | 383 | p = (ERR_STRING_DATA *)lh_insert(hash, d); |
567fef89 | 384 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 385 | |
566bdf2b GT |
386 | return p; |
387 | } | |
567fef89 | 388 | |
1738bb61 GT |
389 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) |
390 | { | |
391 | ERR_STRING_DATA *p; | |
392 | LHASH *hash; | |
78f79235 | 393 | |
1738bb61 | 394 | err_fns_check(); |
9f29ec47 | 395 | hash = ERRFN(err_get)(0); |
78f79235 | 396 | if (!hash) |
1738bb61 | 397 | return NULL; |
78f79235 | 398 | |
567fef89 | 399 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
1738bb61 | 400 | p = (ERR_STRING_DATA *)lh_delete(hash, d); |
567fef89 | 401 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 402 | |
1738bb61 GT |
403 | return p; |
404 | } | |
567fef89 | 405 | |
9f29ec47 | 406 | static LHASH *int_thread_get(int create) |
566bdf2b | 407 | { |
78f79235 BM |
408 | LHASH *ret = NULL; |
409 | ||
566bdf2b | 410 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
411 | if (!int_thread_hash && create) |
412 | { | |
413 | CRYPTO_push_info("int_thread_get (err.c)"); | |
566bdf2b | 414 | int_thread_hash = lh_new(pid_hash, pid_cmp); |
9f29ec47 BM |
415 | CRYPTO_pop_info(); |
416 | } | |
78f79235 BM |
417 | if (int_thread_hash) |
418 | ret = int_thread_hash; | |
566bdf2b | 419 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 420 | return ret; |
566bdf2b | 421 | } |
567fef89 | 422 | |
566bdf2b GT |
423 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
424 | { | |
425 | ERR_STATE *p; | |
426 | LHASH *hash; | |
78f79235 | 427 | |
566bdf2b | 428 | err_fns_check(); |
9f29ec47 | 429 | hash = ERRFN(thread_get)(0); |
78f79235 | 430 | if (!hash) |
566bdf2b | 431 | return NULL; |
78f79235 | 432 | |
566bdf2b GT |
433 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
434 | p = (ERR_STATE *)lh_retrieve(hash, d); | |
435 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 436 | |
566bdf2b GT |
437 | return p; |
438 | } | |
567fef89 | 439 | |
566bdf2b GT |
440 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
441 | { | |
442 | ERR_STATE *p; | |
443 | LHASH *hash; | |
78f79235 | 444 | |
566bdf2b | 445 | err_fns_check(); |
9f29ec47 | 446 | hash = ERRFN(thread_get)(1); |
78f79235 | 447 | if (!hash) |
566bdf2b | 448 | return NULL; |
78f79235 | 449 | |
567fef89 | 450 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
566bdf2b | 451 | p = (ERR_STATE *)lh_insert(hash, d); |
567fef89 | 452 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 453 | |
566bdf2b GT |
454 | return p; |
455 | } | |
567fef89 | 456 | |
566bdf2b GT |
457 | static void int_thread_del_item(const ERR_STATE *d) |
458 | { | |
459 | ERR_STATE *p; | |
460 | LHASH *hash; | |
78f79235 | 461 | |
566bdf2b | 462 | err_fns_check(); |
9f29ec47 | 463 | hash = ERRFN(thread_get)(0); |
78f79235 | 464 | if (!hash) |
566bdf2b | 465 | return; |
78f79235 | 466 | |
566bdf2b GT |
467 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
468 | p = (ERR_STATE *)lh_delete(hash, d); | |
469 | /* make sure we don't leak memory */ | |
78f79235 | 470 | if (int_thread_hash && (lh_num_items(int_thread_hash) == 0)) |
566bdf2b GT |
471 | { |
472 | lh_free(int_thread_hash); | |
473 | int_thread_hash = NULL; | |
566bdf2b GT |
474 | } |
475 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 BM |
476 | |
477 | if (p) | |
566bdf2b GT |
478 | ERR_STATE_free(p); |
479 | } | |
567fef89 | 480 | |
566bdf2b GT |
481 | static int int_err_get_next_lib(void) |
482 | { | |
78f79235 BM |
483 | int ret; |
484 | ||
566bdf2b | 485 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
78f79235 | 486 | ret = int_err_library_number++; |
566bdf2b | 487 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
488 | |
489 | return ret; | |
566bdf2b GT |
490 | } |
491 | ||
492 | ||
0a150c5c BM |
493 | #define NUM_SYS_STR_REASONS 127 |
494 | #define LEN_SYS_STR_REASON 32 | |
495 | ||
496 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
497 | /* SYS_str_reasons is filled with copies of strerror() results at | |
498 | * initialization. | |
499 | * 'errno' values up to 127 should cover all usual errors, | |
500 | * others will be displayed numerically by ERR_error_string. | |
501 | * It is crucial that we have something for each reason code | |
502 | * that occurs in ERR_str_reasons, or bogus reason strings | |
503 | * will be returned for SYSerr(), which always gets an errno | |
504 | * value and never one of those 'standard' reason codes. */ | |
505 | ||
506 | static void build_SYS_str_reasons() | |
507 | { | |
26a3a48d | 508 | /* OPENSSL_malloc cannot be used here, use static storage instead */ |
0a150c5c BM |
509 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; |
510 | int i; | |
cf5bfbfc BM |
511 | static int init = 1; |
512 | ||
513 | if (!init) return; | |
0a150c5c | 514 | |
78f79235 | 515 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
0a150c5c BM |
516 | |
517 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
518 | { | |
519 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
520 | ||
521 | str->error = (unsigned long)i; | |
522 | if (str->string == NULL) | |
523 | { | |
524 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
525 | char *src = strerror(i); | |
526 | if (src != NULL) | |
527 | { | |
528 | strncpy(*dest, src, sizeof *dest); | |
529 | (*dest)[sizeof *dest - 1] = '\0'; | |
530 | str->string = *dest; | |
531 | } | |
532 | } | |
533 | if (str->string == NULL) | |
534 | str->string = "unknown"; | |
535 | } | |
536 | ||
537 | /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
538 | * as required by ERR_load_strings. */ | |
539 | ||
cf5bfbfc BM |
540 | init = 0; |
541 | ||
78f79235 | 542 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0a150c5c | 543 | } |
d02b48c6 RE |
544 | #endif |
545 | ||
58964a49 RE |
546 | #define err_clear_data(p,i) \ |
547 | if (((p)->err_data[i] != NULL) && \ | |
548 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
549 | { \ | |
26a3a48d | 550 | OPENSSL_free((p)->err_data[i]); \ |
58964a49 RE |
551 | (p)->err_data[i]=NULL; \ |
552 | } \ | |
553 | (p)->err_data_flags[i]=0; | |
554 | ||
6b691a5c | 555 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
556 | { |
557 | int i; | |
558 | ||
78f79235 | 559 | if (s == NULL) |
e03ddfae BL |
560 | return; |
561 | ||
58964a49 RE |
562 | for (i=0; i<ERR_NUM_ERRORS; i++) |
563 | { | |
564 | err_clear_data(s,i); | |
565 | } | |
26a3a48d | 566 | OPENSSL_free(s); |
58964a49 RE |
567 | } |
568 | ||
6b691a5c | 569 | void ERR_load_ERR_strings(void) |
d02b48c6 | 570 | { |
cf5bfbfc | 571 | err_fns_check(); |
cf1b7d96 | 572 | #ifndef OPENSSL_NO_ERR |
cf5bfbfc BM |
573 | err_load_strings(0,ERR_str_libraries); |
574 | err_load_strings(0,ERR_str_reasons); | |
575 | err_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
576 | build_SYS_str_reasons(); | |
577 | err_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
d02b48c6 | 578 | #endif |
d02b48c6 RE |
579 | } |
580 | ||
cf5bfbfc | 581 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 | 582 | { |
d02b48c6 RE |
583 | while (str->error) |
584 | { | |
585 | str->error|=ERR_PACK(lib,0,0); | |
566bdf2b | 586 | ERRFN(err_set_item)(str); |
d02b48c6 RE |
587 | str++; |
588 | } | |
d02b48c6 RE |
589 | } |
590 | ||
cf5bfbfc BM |
591 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
592 | { | |
e4decc41 | 593 | ERR_load_ERR_strings(); |
cf5bfbfc BM |
594 | err_load_strings(lib, str); |
595 | } | |
596 | ||
1738bb61 GT |
597 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
598 | { | |
78f79235 | 599 | while (str->error) |
1738bb61 GT |
600 | { |
601 | str->error|=ERR_PACK(lib,0,0); | |
602 | ERRFN(err_del_item)(str); | |
603 | str++; | |
604 | } | |
605 | } | |
606 | ||
6b691a5c | 607 | void ERR_free_strings(void) |
d02b48c6 | 608 | { |
566bdf2b GT |
609 | err_fns_check(); |
610 | ERRFN(err_del)(); | |
d02b48c6 RE |
611 | } |
612 | ||
58964a49 RE |
613 | /********************************************************/ |
614 | ||
6b691a5c UM |
615 | void ERR_put_error(int lib, int func, int reason, const char *file, |
616 | int line) | |
d02b48c6 RE |
617 | { |
618 | ERR_STATE *es; | |
619 | ||
a53955d8 UM |
620 | #ifdef _OSD_POSIX |
621 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
622 | * path names in the form "*POSIX(/etc/passwd)". | |
623 | * This dirty hack strips them to something sensible. | |
624 | * @@@ We shouldn't modify a const string, though. | |
625 | */ | |
626 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
627 | char *end; | |
628 | ||
629 | /* Skip the "*POSIX(" prefix */ | |
630 | file += sizeof("*POSIX(")-1; | |
631 | end = &file[strlen(file)-1]; | |
632 | if (*end == ')') | |
633 | *end = '\0'; | |
634 | /* Optional: use the basename of the path only. */ | |
635 | if ((end = strrchr(file, '/')) != NULL) | |
636 | file = &end[1]; | |
637 | } | |
638 | #endif | |
d02b48c6 RE |
639 | es=ERR_get_state(); |
640 | ||
641 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
642 | if (es->top == es->bottom) | |
643 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
644 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); | |
645 | es->err_file[es->top]=file; | |
646 | es->err_line[es->top]=line; | |
58964a49 | 647 | err_clear_data(es,es->top); |
d02b48c6 RE |
648 | } |
649 | ||
6b691a5c | 650 | void ERR_clear_error(void) |
d02b48c6 | 651 | { |
5d809414 | 652 | int i; |
d02b48c6 RE |
653 | ERR_STATE *es; |
654 | ||
655 | es=ERR_get_state(); | |
656 | ||
657 | for (i=0; i<ERR_NUM_ERRORS; i++) | |
658 | { | |
659 | es->err_buffer[i]=0; | |
5d809414 | 660 | err_clear_data(es,i); |
d02b48c6 RE |
661 | es->err_file[i]=NULL; |
662 | es->err_line[i]= -1; | |
663 | } | |
664 | es->top=es->bottom=0; | |
665 | } | |
666 | ||
d02b48c6 | 667 | |
6b691a5c | 668 | unsigned long ERR_get_error(void) |
58964a49 | 669 | { return(get_error_values(1,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 670 | |
6b691a5c UM |
671 | unsigned long ERR_get_error_line(const char **file, |
672 | int *line) | |
58964a49 | 673 | { return(get_error_values(1,file,line,NULL,NULL)); } |
d02b48c6 | 674 | |
6b691a5c UM |
675 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
676 | const char **data, int *flags) | |
78f79235 | 677 | { return(get_error_values(1,file,line,data,flags)); } |
d02b48c6 | 678 | |
6b691a5c | 679 | unsigned long ERR_peek_error(void) |
58964a49 | 680 | { return(get_error_values(0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 681 | |
0fc5cf08 BL |
682 | unsigned long ERR_peek_top_error(void) |
683 | { | |
684 | ERR_STATE *es=ERR_get_state(); | |
685 | ||
686 | return es->err_buffer[es->top]; | |
687 | } | |
688 | ||
6b691a5c UM |
689 | unsigned long ERR_peek_error_line(const char **file, |
690 | int *line) | |
58964a49 | 691 | { return(get_error_values(0,file,line,NULL,NULL)); } |
d02b48c6 | 692 | |
6b691a5c UM |
693 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
694 | const char **data, int *flags) | |
78f79235 | 695 | { return(get_error_values(0,file,line,data,flags)); } |
6b691a5c UM |
696 | |
697 | static unsigned long get_error_values(int inc, const char **file, int *line, | |
698 | const char **data, int *flags) | |
58964a49 RE |
699 | { |
700 | int i=0; | |
d02b48c6 | 701 | ERR_STATE *es; |
58964a49 | 702 | unsigned long ret; |
d02b48c6 RE |
703 | |
704 | es=ERR_get_state(); | |
705 | ||
78f79235 | 706 | if (es->bottom == es->top) return 0; |
d02b48c6 | 707 | i=(es->bottom+1)%ERR_NUM_ERRORS; |
58964a49 RE |
708 | |
709 | ret=es->err_buffer[i]; | |
710 | if (inc) | |
d02b48c6 | 711 | { |
58964a49 RE |
712 | es->bottom=i; |
713 | es->err_buffer[i]=0; | |
d02b48c6 | 714 | } |
58964a49 RE |
715 | |
716 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 717 | { |
58964a49 RE |
718 | if (es->err_file[i] == NULL) |
719 | { | |
720 | *file="NA"; | |
721 | if (line != NULL) *line=0; | |
722 | } | |
723 | else | |
724 | { | |
725 | *file=es->err_file[i]; | |
726 | if (line != NULL) *line=es->err_line[i]; | |
727 | } | |
d02b48c6 | 728 | } |
d02b48c6 | 729 | |
f51cf14b BM |
730 | if (data == NULL) |
731 | { | |
d3ee37c5 | 732 | if (inc) |
f51cf14b | 733 | { |
d3ee37c5 | 734 | err_clear_data(es, i); |
f51cf14b BM |
735 | } |
736 | } | |
737 | else | |
58964a49 RE |
738 | { |
739 | if (es->err_data[i] == NULL) | |
740 | { | |
741 | *data=""; | |
742 | if (flags != NULL) *flags=0; | |
743 | } | |
744 | else | |
745 | { | |
746 | *data=es->err_data[i]; | |
747 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
748 | } | |
749 | } | |
78f79235 | 750 | return ret; |
d02b48c6 RE |
751 | } |
752 | ||
e5c84d51 | 753 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
d02b48c6 | 754 | { |
e5c84d51 | 755 | char lsbuf[64], fsbuf[64], rsbuf[64]; |
e778802f | 756 | const char *ls,*fs,*rs; |
d02b48c6 | 757 | unsigned long l,f,r; |
d02b48c6 RE |
758 | |
759 | l=ERR_GET_LIB(e); | |
760 | f=ERR_GET_FUNC(e); | |
761 | r=ERR_GET_REASON(e); | |
762 | ||
763 | ls=ERR_lib_error_string(e); | |
764 | fs=ERR_func_error_string(e); | |
765 | rs=ERR_reason_error_string(e); | |
766 | ||
e5c84d51 BM |
767 | if (ls == NULL) |
768 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
d02b48c6 | 769 | if (fs == NULL) |
e5c84d51 | 770 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
d02b48c6 | 771 | if (rs == NULL) |
e5c84d51 BM |
772 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
773 | ||
774 | BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
775 | fs?fs:fsbuf, rs?rs:rsbuf); | |
776 | if (strlen(buf) == len-1) | |
777 | { | |
778 | /* output may be truncated; make sure we always have 5 | |
779 | * colon-separated fields, i.e. 4 colons ... */ | |
780 | #define NUM_COLONS 4 | |
781 | if (len > NUM_COLONS) /* ... if possible */ | |
782 | { | |
783 | int i; | |
784 | char *s = buf; | |
785 | ||
786 | for (i = 0; i < NUM_COLONS; i++) | |
787 | { | |
788 | char *colon = strchr(s, ':'); | |
789 | if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) | |
790 | { | |
791 | /* set colon no. i at last possible position | |
792 | * (buf[len-1] is the terminating 0)*/ | |
793 | colon = &buf[len-1] - NUM_COLONS + i; | |
794 | *colon = ':'; | |
795 | } | |
796 | s = colon + 1; | |
797 | } | |
798 | } | |
799 | } | |
800 | } | |
801 | ||
802 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
803 | /* ERR_error_string_n should be used instead for ret != NULL | |
804 | * as ERR_error_string cannot know how large the buffer is */ | |
805 | char *ERR_error_string(unsigned long e, char *ret) | |
806 | { | |
807 | static char buf[256]; | |
808 | ||
809 | if (ret == NULL) ret=buf; | |
065866b2 | 810 | ERR_error_string_n(e, ret, 256); |
d02b48c6 | 811 | |
78f79235 | 812 | return ret; |
d02b48c6 RE |
813 | } |
814 | ||
6b691a5c | 815 | LHASH *ERR_get_string_table(void) |
d02b48c6 | 816 | { |
566bdf2b | 817 | err_fns_check(); |
9f29ec47 | 818 | return ERRFN(err_get)(0); |
d02b48c6 RE |
819 | } |
820 | ||
6b691a5c | 821 | LHASH *ERR_get_err_state_table(void) |
d02b48c6 | 822 | { |
566bdf2b | 823 | err_fns_check(); |
9f29ec47 | 824 | return ERRFN(thread_get)(0); |
d02b48c6 RE |
825 | } |
826 | ||
6b691a5c | 827 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 | 828 | { |
566bdf2b | 829 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
830 | unsigned long l; |
831 | ||
566bdf2b | 832 | err_fns_check(); |
d02b48c6 | 833 | l=ERR_GET_LIB(e); |
566bdf2b GT |
834 | d.error=ERR_PACK(l,0,0); |
835 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
836 | return((p == NULL)?NULL:p->string); |
837 | } | |
838 | ||
6b691a5c | 839 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 | 840 | { |
566bdf2b | 841 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
842 | unsigned long l,f; |
843 | ||
566bdf2b | 844 | err_fns_check(); |
d02b48c6 RE |
845 | l=ERR_GET_LIB(e); |
846 | f=ERR_GET_FUNC(e); | |
566bdf2b GT |
847 | d.error=ERR_PACK(l,f,0); |
848 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
849 | return((p == NULL)?NULL:p->string); |
850 | } | |
851 | ||
6b691a5c | 852 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
853 | { |
854 | ERR_STRING_DATA d,*p=NULL; | |
855 | unsigned long l,r; | |
856 | ||
566bdf2b | 857 | err_fns_check(); |
d02b48c6 RE |
858 | l=ERR_GET_LIB(e); |
859 | r=ERR_GET_REASON(e); | |
566bdf2b GT |
860 | d.error=ERR_PACK(l,0,r); |
861 | p=ERRFN(err_get_item)(&d); | |
78f79235 | 862 | if (!p) |
d02b48c6 | 863 | { |
566bdf2b GT |
864 | d.error=ERR_PACK(0,0,r); |
865 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 | 866 | } |
d02b48c6 RE |
867 | return((p == NULL)?NULL:p->string); |
868 | } | |
869 | ||
d0fa136c | 870 | /* static unsigned long err_hash(ERR_STRING_DATA *a) */ |
8d28d5f8 | 871 | static unsigned long err_hash(const void *a_void) |
d02b48c6 RE |
872 | { |
873 | unsigned long ret,l; | |
874 | ||
d0fa136c | 875 | l=((ERR_STRING_DATA *)a_void)->error; |
d02b48c6 RE |
876 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); |
877 | return(ret^ret%19*13); | |
878 | } | |
879 | ||
d0fa136c | 880 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */ |
8d28d5f8 | 881 | static int err_cmp(const void *a_void, const void *b_void) |
d02b48c6 | 882 | { |
d0fa136c GT |
883 | return((int)(((ERR_STRING_DATA *)a_void)->error - |
884 | ((ERR_STRING_DATA *)b_void)->error)); | |
d02b48c6 RE |
885 | } |
886 | ||
d0fa136c | 887 | /* static unsigned long pid_hash(ERR_STATE *a) */ |
8d28d5f8 | 888 | static unsigned long pid_hash(const void *a_void) |
d02b48c6 | 889 | { |
d0fa136c | 890 | return(((ERR_STATE *)a_void)->pid*13); |
d02b48c6 RE |
891 | } |
892 | ||
d0fa136c | 893 | /* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */ |
8d28d5f8 | 894 | static int pid_cmp(const void *a_void, const void *b_void) |
d02b48c6 | 895 | { |
d0fa136c GT |
896 | return((int)((long)((ERR_STATE *)a_void)->pid - |
897 | (long)((ERR_STATE *)b_void)->pid)); | |
d02b48c6 RE |
898 | } |
899 | ||
6b691a5c | 900 | void ERR_remove_state(unsigned long pid) |
d02b48c6 | 901 | { |
566bdf2b | 902 | ERR_STATE tmp; |
78f79235 | 903 | |
566bdf2b | 904 | err_fns_check(); |
d02b48c6 RE |
905 | if (pid == 0) |
906 | pid=(unsigned long)CRYPTO_thread_id(); | |
907 | tmp.pid=pid; | |
566bdf2b GT |
908 | /* thread_del_item automatically destroys the LHASH if the number of |
909 | * items reaches zero. */ | |
910 | ERRFN(thread_del_item)(&tmp); | |
d02b48c6 RE |
911 | } |
912 | ||
6b691a5c | 913 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
914 | { |
915 | static ERR_STATE fallback; | |
566bdf2b | 916 | ERR_STATE *ret,tmp,*tmpp=NULL; |
58964a49 | 917 | int i; |
d02b48c6 | 918 | unsigned long pid; |
78f79235 | 919 | |
566bdf2b | 920 | err_fns_check(); |
d02b48c6 | 921 | pid=(unsigned long)CRYPTO_thread_id(); |
566bdf2b GT |
922 | tmp.pid=pid; |
923 | ret=ERRFN(thread_get_item)(&tmp); | |
d02b48c6 RE |
924 | |
925 | /* ret == the error state, if NULL, make a new one */ | |
926 | if (ret == NULL) | |
927 | { | |
26a3a48d | 928 | ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); |
d02b48c6 RE |
929 | if (ret == NULL) return(&fallback); |
930 | ret->pid=pid; | |
931 | ret->top=0; | |
932 | ret->bottom=0; | |
58964a49 RE |
933 | for (i=0; i<ERR_NUM_ERRORS; i++) |
934 | { | |
935 | ret->err_data[i]=NULL; | |
936 | ret->err_data_flags[i]=0; | |
937 | } | |
566bdf2b GT |
938 | tmpp = ERRFN(thread_set_item)(ret); |
939 | /* To check if insertion failed, do a get. */ | |
78f79235 | 940 | if (ERRFN(thread_get_item)(ret) != ret) |
dcba2534 BM |
941 | { |
942 | ERR_STATE_free(ret); /* could not insert it */ | |
943 | return(&fallback); | |
944 | } | |
566bdf2b GT |
945 | /* If a race occured in this function and we came second, tmpp |
946 | * is the first one that we just replaced. */ | |
78f79235 | 947 | if (tmpp) |
58964a49 | 948 | ERR_STATE_free(tmpp); |
d02b48c6 | 949 | } |
78f79235 | 950 | return ret; |
d02b48c6 RE |
951 | } |
952 | ||
6b691a5c | 953 | int ERR_get_next_error_library(void) |
58964a49 | 954 | { |
566bdf2b GT |
955 | err_fns_check(); |
956 | return ERRFN(get_next_lib)(); | |
58964a49 RE |
957 | } |
958 | ||
6b691a5c | 959 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
960 | { |
961 | ERR_STATE *es; | |
962 | int i; | |
963 | ||
964 | es=ERR_get_state(); | |
965 | ||
966 | i=es->top; | |
967 | if (i == 0) | |
968 | i=ERR_NUM_ERRORS-1; | |
969 | ||
5d809414 | 970 | err_clear_data(es,i); |
58964a49 | 971 | es->err_data[i]=data; |
5d809414 | 972 | es->err_data_flags[i]=flags; |
58964a49 RE |
973 | } |
974 | ||
4565c3e3 | 975 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 976 | { |
4565c3e3 | 977 | va_list args; |
58964a49 RE |
978 | int i,n,s; |
979 | char *str,*p,*a; | |
980 | ||
5d809414 | 981 | s=80; |
26a3a48d | 982 | str=OPENSSL_malloc(s+1); |
58964a49 RE |
983 | if (str == NULL) return; |
984 | str[0]='\0'; | |
985 | ||
4565c3e3 | 986 | va_start(args, num); |
58964a49 RE |
987 | n=0; |
988 | for (i=0; i<num; i++) | |
989 | { | |
4565c3e3 | 990 | a=va_arg(args, char*); |
dfeab068 RE |
991 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
992 | if (a != NULL) | |
58964a49 | 993 | { |
dfeab068 RE |
994 | n+=strlen(a); |
995 | if (n > s) | |
58964a49 | 996 | { |
dfeab068 | 997 | s=n+20; |
26a3a48d | 998 | p=OPENSSL_realloc(str,s+1); |
dfeab068 RE |
999 | if (p == NULL) |
1000 | { | |
26a3a48d | 1001 | OPENSSL_free(str); |
98c2a26e | 1002 | goto err; |
dfeab068 RE |
1003 | } |
1004 | else | |
1005 | str=p; | |
58964a49 | 1006 | } |
dfeab068 | 1007 | strcat(str,a); |
58964a49 | 1008 | } |
58964a49 RE |
1009 | } |
1010 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
1011 | ||
98c2a26e | 1012 | err: |
4565c3e3 | 1013 | va_end(args); |
58964a49 | 1014 | } |