]>
Commit | Line | Data |
---|---|---|
d02b48c6 | 1 | /* crypto/err/err.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
8 | * | |
9 | * This library is free for commercial and non-commercial use as long as | |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 | * | |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
52 | * | |
53 | * The licence and distribution terms for any publically available version or | |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
0a150c5c | 58 | /* ==================================================================== |
48fc582f | 59 | * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
0a150c5c BM |
60 | * |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
66 | * notice, this list of conditions and the following disclaimer. | |
67 | * | |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 | * | |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
81 | * openssl-core@openssl.org. | |
82 | * | |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
105 | * | |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
110 | */ | |
d02b48c6 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 | |
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"}, |
c7235be6 | 150 | {ERR_PACK(ERR_LIB_TS,0,0) ,"time stamp routines"}, |
5270e702 | 151 | {ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"}, |
8e961835 | 152 | {ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"}, |
d02b48c6 RE |
153 | {0,NULL}, |
154 | }; | |
155 | ||
156 | static ERR_STRING_DATA ERR_str_functs[]= | |
157 | { | |
158 | {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, | |
159 | {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, | |
160 | {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, | |
161 | {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, | |
162 | {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, | |
163 | {ERR_PACK(0,SYS_F_BIND,0), "bind"}, | |
164 | {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, | |
165 | {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, | |
bc36ee62 | 166 | #ifdef OPENSSL_SYS_WINDOWS |
d02b48c6 RE |
167 | {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, |
168 | #endif | |
a40f6dce | 169 | {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, |
d15711ef | 170 | {ERR_PACK(0,SYS_F_FREAD,0), "fread"}, |
d02b48c6 RE |
171 | {0,NULL}, |
172 | }; | |
173 | ||
174 | static ERR_STRING_DATA ERR_str_reasons[]= | |
175 | { | |
d02b48c6 RE |
176 | {ERR_R_SYS_LIB ,"system lib"}, |
177 | {ERR_R_BN_LIB ,"BN lib"}, | |
178 | {ERR_R_RSA_LIB ,"RSA lib"}, | |
179 | {ERR_R_DH_LIB ,"DH lib"}, | |
180 | {ERR_R_EVP_LIB ,"EVP lib"}, | |
181 | {ERR_R_BUF_LIB ,"BUF lib"}, | |
d02b48c6 RE |
182 | {ERR_R_OBJ_LIB ,"OBJ lib"}, |
183 | {ERR_R_PEM_LIB ,"PEM lib"}, | |
5277d7cb | 184 | {ERR_R_DSA_LIB ,"DSA lib"}, |
d02b48c6 | 185 | {ERR_R_X509_LIB ,"X509 lib"}, |
d02b48c6 RE |
186 | {ERR_R_ASN1_LIB ,"ASN1 lib"}, |
187 | {ERR_R_CONF_LIB ,"CONF lib"}, | |
5277d7cb BM |
188 | {ERR_R_CRYPTO_LIB ,"CRYPTO lib"}, |
189 | {ERR_R_EC_LIB ,"EC lib"}, | |
d02b48c6 | 190 | {ERR_R_SSL_LIB ,"SSL lib"}, |
d02b48c6 RE |
191 | {ERR_R_BIO_LIB ,"BIO lib"}, |
192 | {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
5277d7cb | 193 | {ERR_R_X509V3_LIB ,"X509V3 lib"}, |
67d5ac03 | 194 | {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, |
5277d7cb BM |
195 | {ERR_R_RAND_LIB ,"RAND lib"}, |
196 | {ERR_R_DSO_LIB ,"DSO lib"}, | |
197 | {ERR_R_ENGINE_LIB ,"ENGINE lib"}, | |
198 | {ERR_R_OCSP_LIB ,"OCSP lib"}, | |
c7235be6 | 199 | {ERR_R_TS_LIB ,"TS lib"}, |
5277d7cb | 200 | |
dfeab068 RE |
201 | {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, |
202 | {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
203 | {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
204 | {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
205 | {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
206 | {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
5277d7cb BM |
207 | |
208 | {ERR_R_FATAL ,"fatal"}, | |
209 | {ERR_R_MALLOC_FAILURE ,"malloc failure"}, | |
210 | {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"}, | |
211 | {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, | |
212 | {ERR_R_INTERNAL_ERROR ,"internal error"}, | |
819ff32d | 213 | {ERR_R_DISABLED ,"called a function that was disabled at compile-time"}, |
dfeab068 | 214 | |
d02b48c6 RE |
215 | {0,NULL}, |
216 | }; | |
758f942b | 217 | #endif |
0a150c5c BM |
218 | |
219 | ||
566bdf2b GT |
220 | /* Define the predeclared (but externally opaque) "ERR_FNS" type */ |
221 | struct st_ERR_FNS | |
222 | { | |
223 | /* Works on the "error_hash" string table */ | |
9f29ec47 | 224 | LHASH *(*cb_err_get)(int create); |
566bdf2b GT |
225 | void (*cb_err_del)(void); |
226 | ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *); | |
227 | ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *); | |
1738bb61 | 228 | ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *); |
566bdf2b | 229 | /* Works on the "thread_hash" error-state table */ |
9f29ec47 | 230 | LHASH *(*cb_thread_get)(int create); |
11171f3c | 231 | void (*cb_thread_release)(LHASH **hash); |
566bdf2b GT |
232 | ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *); |
233 | ERR_STATE *(*cb_thread_set_item)(ERR_STATE *); | |
234 | void (*cb_thread_del_item)(const ERR_STATE *); | |
235 | /* Returns the next available error "library" numbers */ | |
236 | int (*cb_get_next_lib)(void); | |
237 | }; | |
238 | ||
239 | /* Predeclarations of the "err_defaults" functions */ | |
9f29ec47 | 240 | static LHASH *int_err_get(int create); |
566bdf2b GT |
241 | static void int_err_del(void); |
242 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | |
243 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | |
1738bb61 | 244 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); |
9f29ec47 | 245 | static LHASH *int_thread_get(int create); |
11171f3c | 246 | static void int_thread_release(LHASH **hash); |
566bdf2b GT |
247 | static ERR_STATE *int_thread_get_item(const ERR_STATE *); |
248 | static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
249 | static void int_thread_del_item(const ERR_STATE *); | |
250 | static int int_err_get_next_lib(void); | |
251 | /* The static ERR_FNS table using these defaults functions */ | |
252 | static const ERR_FNS err_defaults = | |
253 | { | |
254 | int_err_get, | |
255 | int_err_del, | |
256 | int_err_get_item, | |
257 | int_err_set_item, | |
1738bb61 | 258 | int_err_del_item, |
566bdf2b | 259 | int_thread_get, |
11171f3c | 260 | int_thread_release, |
566bdf2b GT |
261 | int_thread_get_item, |
262 | int_thread_set_item, | |
263 | int_thread_del_item, | |
264 | int_err_get_next_lib | |
265 | }; | |
266 | ||
267 | /* The replacable table of ERR_FNS functions we use at run-time */ | |
268 | static const ERR_FNS *err_fns = NULL; | |
269 | ||
270 | /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | |
271 | #define ERRFN(a) err_fns->cb_##a | |
272 | ||
273 | /* The internal state used by "err_defaults" - as such, the setting, reading, | |
274 | * creating, and deleting of this data should only be permitted via the | |
275 | * "err_defaults" functions. This way, a linked module can completely defer all | |
276 | * ERR state operation (together with requisite locking) to the implementations | |
277 | * and state in the loading application. */ | |
78f79235 BM |
278 | static LHASH *int_error_hash = NULL; |
279 | static LHASH *int_thread_hash = NULL; | |
11171f3c | 280 | static int int_thread_hash_references = 0; |
78f79235 | 281 | static int int_err_library_number= ERR_LIB_USER; |
566bdf2b GT |
282 | |
283 | /* Internal function that checks whether "err_fns" is set and if not, sets it to | |
284 | * the defaults. */ | |
285 | static void err_fns_check(void) | |
286 | { | |
cf5bfbfc BM |
287 | if (err_fns) return; |
288 | ||
566bdf2b | 289 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
cf5bfbfc | 290 | if (!err_fns) |
566bdf2b GT |
291 | err_fns = &err_defaults; |
292 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
293 | } | |
294 | ||
295 | /* API functions to get or set the underlying ERR functions. */ | |
296 | ||
297 | const ERR_FNS *ERR_get_implementation(void) | |
298 | { | |
299 | err_fns_check(); | |
300 | return err_fns; | |
301 | } | |
302 | ||
303 | int ERR_set_implementation(const ERR_FNS *fns) | |
304 | { | |
78f79235 BM |
305 | int ret = 0; |
306 | ||
566bdf2b GT |
307 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
308 | /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting | |
309 | * an error is there?! */ | |
78f79235 | 310 | if (!err_fns) |
566bdf2b GT |
311 | { |
312 | err_fns = fns; | |
78f79235 | 313 | ret = 1; |
566bdf2b GT |
314 | } |
315 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 316 | return ret; |
566bdf2b GT |
317 | } |
318 | ||
319 | /* These are the callbacks provided to "lh_new()" when creating the LHASH tables | |
320 | * internal to the "err_defaults" implementation. */ | |
321 | ||
322 | /* static unsigned long err_hash(ERR_STRING_DATA *a); */ | |
323 | static unsigned long err_hash(const void *a_void); | |
324 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b); */ | |
325 | static int err_cmp(const void *a_void, const void *b_void); | |
326 | /* static unsigned long pid_hash(ERR_STATE *pid); */ | |
327 | static unsigned long pid_hash(const void *pid_void); | |
328 | /* static int pid_cmp(ERR_STATE *a,ERR_STATE *pid); */ | |
329 | static int pid_cmp(const void *a_void,const void *pid_void); | |
a14e2d9d | 330 | static unsigned long get_error_values(int inc,int top,const char **file,int *line, |
566bdf2b GT |
331 | const char **data,int *flags); |
332 | ||
333 | /* The internal functions used in the "err_defaults" implementation */ | |
334 | ||
9f29ec47 | 335 | static LHASH *int_err_get(int create) |
566bdf2b | 336 | { |
78f79235 BM |
337 | LHASH *ret = NULL; |
338 | ||
566bdf2b | 339 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
340 | if (!int_error_hash && create) |
341 | { | |
342 | CRYPTO_push_info("int_err_get (err.c)"); | |
566bdf2b | 343 | int_error_hash = lh_new(err_hash, err_cmp); |
9f29ec47 BM |
344 | CRYPTO_pop_info(); |
345 | } | |
78f79235 BM |
346 | if (int_error_hash) |
347 | ret = int_error_hash; | |
566bdf2b | 348 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
349 | |
350 | return ret; | |
566bdf2b | 351 | } |
567fef89 | 352 | |
566bdf2b GT |
353 | static void int_err_del(void) |
354 | { | |
355 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
78f79235 | 356 | if (int_error_hash) |
566bdf2b GT |
357 | { |
358 | lh_free(int_error_hash); | |
359 | int_error_hash = NULL; | |
566bdf2b GT |
360 | } |
361 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
362 | } | |
567fef89 | 363 | |
566bdf2b GT |
364 | static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) |
365 | { | |
366 | ERR_STRING_DATA *p; | |
367 | LHASH *hash; | |
78f79235 | 368 | |
566bdf2b | 369 | err_fns_check(); |
9f29ec47 | 370 | hash = ERRFN(err_get)(0); |
78f79235 | 371 | if (!hash) |
566bdf2b | 372 | return NULL; |
78f79235 | 373 | |
566bdf2b GT |
374 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
375 | p = (ERR_STRING_DATA *)lh_retrieve(hash, d); | |
376 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 377 | |
566bdf2b GT |
378 | return p; |
379 | } | |
567fef89 | 380 | |
566bdf2b GT |
381 | static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) |
382 | { | |
383 | ERR_STRING_DATA *p; | |
384 | LHASH *hash; | |
78f79235 | 385 | |
566bdf2b | 386 | err_fns_check(); |
9f29ec47 | 387 | hash = ERRFN(err_get)(1); |
78f79235 | 388 | if (!hash) |
566bdf2b | 389 | return NULL; |
78f79235 | 390 | |
567fef89 | 391 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
566bdf2b | 392 | p = (ERR_STRING_DATA *)lh_insert(hash, d); |
567fef89 | 393 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 394 | |
566bdf2b GT |
395 | return p; |
396 | } | |
567fef89 | 397 | |
1738bb61 GT |
398 | static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) |
399 | { | |
400 | ERR_STRING_DATA *p; | |
401 | LHASH *hash; | |
78f79235 | 402 | |
1738bb61 | 403 | err_fns_check(); |
9f29ec47 | 404 | hash = ERRFN(err_get)(0); |
78f79235 | 405 | if (!hash) |
1738bb61 | 406 | return NULL; |
78f79235 | 407 | |
567fef89 | 408 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
1738bb61 | 409 | p = (ERR_STRING_DATA *)lh_delete(hash, d); |
567fef89 | 410 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 411 | |
1738bb61 GT |
412 | return p; |
413 | } | |
567fef89 | 414 | |
9f29ec47 | 415 | static LHASH *int_thread_get(int create) |
566bdf2b | 416 | { |
78f79235 BM |
417 | LHASH *ret = NULL; |
418 | ||
566bdf2b | 419 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
9f29ec47 BM |
420 | if (!int_thread_hash && create) |
421 | { | |
422 | CRYPTO_push_info("int_thread_get (err.c)"); | |
566bdf2b | 423 | int_thread_hash = lh_new(pid_hash, pid_cmp); |
9f29ec47 BM |
424 | CRYPTO_pop_info(); |
425 | } | |
78f79235 | 426 | if (int_thread_hash) |
11171f3c RL |
427 | { |
428 | int_thread_hash_references++; | |
78f79235 | 429 | ret = int_thread_hash; |
11171f3c | 430 | } |
566bdf2b | 431 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 432 | return ret; |
566bdf2b | 433 | } |
567fef89 | 434 | |
11171f3c RL |
435 | static void int_thread_release(LHASH **hash) |
436 | { | |
437 | int i; | |
438 | ||
439 | if (hash == NULL || *hash == NULL) | |
440 | return; | |
441 | ||
442 | i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); | |
443 | ||
444 | #ifdef REF_PRINT | |
445 | fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR"); | |
446 | #endif | |
447 | if (i > 0) return; | |
448 | #ifdef REF_CHECK | |
449 | if (i < 0) | |
450 | { | |
451 | fprintf(stderr,"int_thread_release, bad reference count\n"); | |
452 | abort(); /* ok */ | |
453 | } | |
454 | #endif | |
455 | *hash = NULL; | |
456 | } | |
457 | ||
566bdf2b GT |
458 | static ERR_STATE *int_thread_get_item(const ERR_STATE *d) |
459 | { | |
460 | ERR_STATE *p; | |
461 | LHASH *hash; | |
78f79235 | 462 | |
566bdf2b | 463 | err_fns_check(); |
9f29ec47 | 464 | hash = ERRFN(thread_get)(0); |
78f79235 | 465 | if (!hash) |
566bdf2b | 466 | return NULL; |
78f79235 | 467 | |
566bdf2b GT |
468 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
469 | p = (ERR_STATE *)lh_retrieve(hash, d); | |
470 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 471 | |
11171f3c | 472 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
473 | return p; |
474 | } | |
567fef89 | 475 | |
566bdf2b GT |
476 | static ERR_STATE *int_thread_set_item(ERR_STATE *d) |
477 | { | |
478 | ERR_STATE *p; | |
479 | LHASH *hash; | |
78f79235 | 480 | |
566bdf2b | 481 | err_fns_check(); |
9f29ec47 | 482 | hash = ERRFN(thread_get)(1); |
78f79235 | 483 | if (!hash) |
566bdf2b | 484 | return NULL; |
78f79235 | 485 | |
567fef89 | 486 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
566bdf2b | 487 | p = (ERR_STATE *)lh_insert(hash, d); |
567fef89 | 488 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 | 489 | |
11171f3c | 490 | ERRFN(thread_release)(&hash); |
566bdf2b GT |
491 | return p; |
492 | } | |
567fef89 | 493 | |
566bdf2b GT |
494 | static void int_thread_del_item(const ERR_STATE *d) |
495 | { | |
496 | ERR_STATE *p; | |
497 | LHASH *hash; | |
78f79235 | 498 | |
566bdf2b | 499 | err_fns_check(); |
9f29ec47 | 500 | hash = ERRFN(thread_get)(0); |
78f79235 | 501 | if (!hash) |
566bdf2b | 502 | return; |
78f79235 | 503 | |
566bdf2b GT |
504 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
505 | p = (ERR_STATE *)lh_delete(hash, d); | |
506 | /* make sure we don't leak memory */ | |
11171f3c RL |
507 | if (int_thread_hash_references == 1 |
508 | && int_thread_hash && (lh_num_items(int_thread_hash) == 0)) | |
566bdf2b GT |
509 | { |
510 | lh_free(int_thread_hash); | |
511 | int_thread_hash = NULL; | |
566bdf2b GT |
512 | } |
513 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 514 | |
11171f3c | 515 | ERRFN(thread_release)(&hash); |
78f79235 | 516 | if (p) |
566bdf2b GT |
517 | ERR_STATE_free(p); |
518 | } | |
567fef89 | 519 | |
566bdf2b GT |
520 | static int int_err_get_next_lib(void) |
521 | { | |
78f79235 BM |
522 | int ret; |
523 | ||
566bdf2b | 524 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
78f79235 | 525 | ret = int_err_library_number++; |
566bdf2b | 526 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
78f79235 BM |
527 | |
528 | return ret; | |
566bdf2b GT |
529 | } |
530 | ||
531 | ||
758f942b | 532 | #ifndef OPENSSL_NO_ERR |
0a150c5c BM |
533 | #define NUM_SYS_STR_REASONS 127 |
534 | #define LEN_SYS_STR_REASON 32 | |
535 | ||
536 | static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
537 | /* SYS_str_reasons is filled with copies of strerror() results at | |
538 | * initialization. | |
539 | * 'errno' values up to 127 should cover all usual errors, | |
540 | * others will be displayed numerically by ERR_error_string. | |
541 | * It is crucial that we have something for each reason code | |
542 | * that occurs in ERR_str_reasons, or bogus reason strings | |
543 | * will be returned for SYSerr(), which always gets an errno | |
544 | * value and never one of those 'standard' reason codes. */ | |
545 | ||
41a15c4f | 546 | static void build_SYS_str_reasons(void) |
0a150c5c | 547 | { |
26a3a48d | 548 | /* OPENSSL_malloc cannot be used here, use static storage instead */ |
0a150c5c BM |
549 | static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; |
550 | int i; | |
cf5bfbfc BM |
551 | static int init = 1; |
552 | ||
675f605d BM |
553 | CRYPTO_r_lock(CRYPTO_LOCK_ERR); |
554 | if (!init) | |
555 | { | |
556 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
557 | return; | |
558 | } | |
559 | ||
560 | CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
78f79235 | 561 | CRYPTO_w_lock(CRYPTO_LOCK_ERR); |
675f605d BM |
562 | if (!init) |
563 | { | |
564 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
565 | return; | |
566 | } | |
0a150c5c BM |
567 | |
568 | for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
569 | { | |
570 | ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
571 | ||
572 | str->error = (unsigned long)i; | |
573 | if (str->string == NULL) | |
574 | { | |
575 | char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]); | |
576 | char *src = strerror(i); | |
577 | if (src != NULL) | |
578 | { | |
579 | strncpy(*dest, src, sizeof *dest); | |
580 | (*dest)[sizeof *dest - 1] = '\0'; | |
581 | str->string = *dest; | |
582 | } | |
583 | } | |
584 | if (str->string == NULL) | |
585 | str->string = "unknown"; | |
586 | } | |
587 | ||
588 | /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
589 | * as required by ERR_load_strings. */ | |
590 | ||
cf5bfbfc BM |
591 | init = 0; |
592 | ||
78f79235 | 593 | CRYPTO_w_unlock(CRYPTO_LOCK_ERR); |
0a150c5c | 594 | } |
d02b48c6 RE |
595 | #endif |
596 | ||
58964a49 | 597 | #define err_clear_data(p,i) \ |
54f64516 | 598 | do { \ |
58964a49 RE |
599 | if (((p)->err_data[i] != NULL) && \ |
600 | (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
601 | { \ | |
26a3a48d | 602 | OPENSSL_free((p)->err_data[i]); \ |
58964a49 RE |
603 | (p)->err_data[i]=NULL; \ |
604 | } \ | |
54f64516 RL |
605 | (p)->err_data_flags[i]=0; \ |
606 | } while(0) | |
607 | ||
608 | #define err_clear(p,i) \ | |
609 | do { \ | |
a5e8bcfb RL |
610 | (p)->err_flags[i]=0; \ |
611 | (p)->err_buffer[i]=0; \ | |
54f64516 | 612 | err_clear_data(p,i); \ |
a5e8bcfb RL |
613 | (p)->err_file[i]=NULL; \ |
614 | (p)->err_line[i]= -1; \ | |
54f64516 | 615 | } while(0) |
58964a49 | 616 | |
6b691a5c | 617 | static void ERR_STATE_free(ERR_STATE *s) |
58964a49 RE |
618 | { |
619 | int i; | |
620 | ||
78f79235 | 621 | if (s == NULL) |
e03ddfae BL |
622 | return; |
623 | ||
58964a49 RE |
624 | for (i=0; i<ERR_NUM_ERRORS; i++) |
625 | { | |
626 | err_clear_data(s,i); | |
627 | } | |
26a3a48d | 628 | OPENSSL_free(s); |
58964a49 RE |
629 | } |
630 | ||
6b691a5c | 631 | void ERR_load_ERR_strings(void) |
d02b48c6 | 632 | { |
cf5bfbfc | 633 | err_fns_check(); |
cf1b7d96 | 634 | #ifndef OPENSSL_NO_ERR |
cf5bfbfc BM |
635 | err_load_strings(0,ERR_str_libraries); |
636 | err_load_strings(0,ERR_str_reasons); | |
637 | err_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
638 | build_SYS_str_reasons(); | |
639 | err_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
d02b48c6 | 640 | #endif |
d02b48c6 RE |
641 | } |
642 | ||
cf5bfbfc | 643 | static void err_load_strings(int lib, ERR_STRING_DATA *str) |
d02b48c6 | 644 | { |
d02b48c6 RE |
645 | while (str->error) |
646 | { | |
bc3cae7e DSH |
647 | if (lib) |
648 | str->error|=ERR_PACK(lib,0,0); | |
566bdf2b | 649 | ERRFN(err_set_item)(str); |
d02b48c6 RE |
650 | str++; |
651 | } | |
d02b48c6 RE |
652 | } |
653 | ||
cf5bfbfc BM |
654 | void ERR_load_strings(int lib, ERR_STRING_DATA *str) |
655 | { | |
e4decc41 | 656 | ERR_load_ERR_strings(); |
cf5bfbfc BM |
657 | err_load_strings(lib, str); |
658 | } | |
659 | ||
1738bb61 GT |
660 | void ERR_unload_strings(int lib, ERR_STRING_DATA *str) |
661 | { | |
78f79235 | 662 | while (str->error) |
1738bb61 | 663 | { |
bc3cae7e DSH |
664 | if (lib) |
665 | str->error|=ERR_PACK(lib,0,0); | |
1738bb61 GT |
666 | ERRFN(err_del_item)(str); |
667 | str++; | |
668 | } | |
669 | } | |
670 | ||
6b691a5c | 671 | void ERR_free_strings(void) |
d02b48c6 | 672 | { |
566bdf2b GT |
673 | err_fns_check(); |
674 | ERRFN(err_del)(); | |
d02b48c6 RE |
675 | } |
676 | ||
58964a49 RE |
677 | /********************************************************/ |
678 | ||
6b691a5c UM |
679 | void ERR_put_error(int lib, int func, int reason, const char *file, |
680 | int line) | |
d02b48c6 RE |
681 | { |
682 | ERR_STATE *es; | |
683 | ||
a53955d8 UM |
684 | #ifdef _OSD_POSIX |
685 | /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
686 | * path names in the form "*POSIX(/etc/passwd)". | |
687 | * This dirty hack strips them to something sensible. | |
688 | * @@@ We shouldn't modify a const string, though. | |
689 | */ | |
690 | if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
691 | char *end; | |
692 | ||
693 | /* Skip the "*POSIX(" prefix */ | |
694 | file += sizeof("*POSIX(")-1; | |
695 | end = &file[strlen(file)-1]; | |
696 | if (*end == ')') | |
697 | *end = '\0'; | |
698 | /* Optional: use the basename of the path only. */ | |
699 | if ((end = strrchr(file, '/')) != NULL) | |
700 | file = &end[1]; | |
701 | } | |
702 | #endif | |
d02b48c6 RE |
703 | es=ERR_get_state(); |
704 | ||
705 | es->top=(es->top+1)%ERR_NUM_ERRORS; | |
706 | if (es->top == es->bottom) | |
707 | es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
54f64516 | 708 | es->err_flags[es->top]=0; |
d02b48c6 RE |
709 | es->err_buffer[es->top]=ERR_PACK(lib,func,reason); |
710 | es->err_file[es->top]=file; | |
711 | es->err_line[es->top]=line; | |
58964a49 | 712 | err_clear_data(es,es->top); |
d02b48c6 RE |
713 | } |
714 | ||
6b691a5c | 715 | void ERR_clear_error(void) |
d02b48c6 | 716 | { |
5d809414 | 717 | int i; |
d02b48c6 RE |
718 | ERR_STATE *es; |
719 | ||
720 | es=ERR_get_state(); | |
721 | ||
722 | for (i=0; i<ERR_NUM_ERRORS; i++) | |
723 | { | |
54f64516 | 724 | err_clear(es,i); |
d02b48c6 RE |
725 | } |
726 | es->top=es->bottom=0; | |
727 | } | |
728 | ||
d02b48c6 | 729 | |
6b691a5c | 730 | unsigned long ERR_get_error(void) |
a14e2d9d | 731 | { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 732 | |
6b691a5c UM |
733 | unsigned long ERR_get_error_line(const char **file, |
734 | int *line) | |
a14e2d9d | 735 | { return(get_error_values(1,0,file,line,NULL,NULL)); } |
d02b48c6 | 736 | |
6b691a5c UM |
737 | unsigned long ERR_get_error_line_data(const char **file, int *line, |
738 | const char **data, int *flags) | |
a14e2d9d | 739 | { return(get_error_values(1,0,file,line,data,flags)); } |
d02b48c6 | 740 | |
273db408 | 741 | |
6b691a5c | 742 | unsigned long ERR_peek_error(void) |
a14e2d9d | 743 | { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); } |
d02b48c6 | 744 | |
a14e2d9d BM |
745 | unsigned long ERR_peek_error_line(const char **file, int *line) |
746 | { return(get_error_values(0,0,file,line,NULL,NULL)); } | |
0fc5cf08 | 747 | |
6b691a5c UM |
748 | unsigned long ERR_peek_error_line_data(const char **file, int *line, |
749 | const char **data, int *flags) | |
a14e2d9d BM |
750 | { return(get_error_values(0,0,file,line,data,flags)); } |
751 | ||
273db408 BM |
752 | |
753 | unsigned long ERR_peek_last_error(void) | |
754 | { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); } | |
755 | ||
756 | unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
757 | { return(get_error_values(0,1,file,line,NULL,NULL)); } | |
758 | ||
a14e2d9d BM |
759 | unsigned long ERR_peek_last_error_line_data(const char **file, int *line, |
760 | const char **data, int *flags) | |
761 | { return(get_error_values(0,1,file,line,data,flags)); } | |
6b691a5c | 762 | |
273db408 | 763 | |
a14e2d9d | 764 | static unsigned long get_error_values(int inc, int top, const char **file, int *line, |
6b691a5c | 765 | const char **data, int *flags) |
58964a49 RE |
766 | { |
767 | int i=0; | |
d02b48c6 | 768 | ERR_STATE *es; |
58964a49 | 769 | unsigned long ret; |
d02b48c6 RE |
770 | |
771 | es=ERR_get_state(); | |
772 | ||
a14e2d9d BM |
773 | if (inc && top) |
774 | { | |
775 | if (file) *file = ""; | |
776 | if (line) *line = 0; | |
777 | if (data) *data = ""; | |
778 | if (flags) *flags = 0; | |
779 | ||
780 | return ERR_R_INTERNAL_ERROR; | |
781 | } | |
782 | ||
78f79235 | 783 | if (es->bottom == es->top) return 0; |
a14e2d9d | 784 | if (top) |
016029c6 | 785 | i=es->top; /* last error */ |
a14e2d9d BM |
786 | else |
787 | i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */ | |
58964a49 RE |
788 | |
789 | ret=es->err_buffer[i]; | |
790 | if (inc) | |
d02b48c6 | 791 | { |
58964a49 RE |
792 | es->bottom=i; |
793 | es->err_buffer[i]=0; | |
d02b48c6 | 794 | } |
58964a49 RE |
795 | |
796 | if ((file != NULL) && (line != NULL)) | |
d02b48c6 | 797 | { |
58964a49 RE |
798 | if (es->err_file[i] == NULL) |
799 | { | |
800 | *file="NA"; | |
801 | if (line != NULL) *line=0; | |
802 | } | |
803 | else | |
804 | { | |
805 | *file=es->err_file[i]; | |
806 | if (line != NULL) *line=es->err_line[i]; | |
807 | } | |
d02b48c6 | 808 | } |
d02b48c6 | 809 | |
f51cf14b BM |
810 | if (data == NULL) |
811 | { | |
d3ee37c5 | 812 | if (inc) |
f51cf14b | 813 | { |
d3ee37c5 | 814 | err_clear_data(es, i); |
f51cf14b BM |
815 | } |
816 | } | |
817 | else | |
58964a49 RE |
818 | { |
819 | if (es->err_data[i] == NULL) | |
820 | { | |
821 | *data=""; | |
822 | if (flags != NULL) *flags=0; | |
823 | } | |
824 | else | |
825 | { | |
826 | *data=es->err_data[i]; | |
827 | if (flags != NULL) *flags=es->err_data_flags[i]; | |
828 | } | |
829 | } | |
78f79235 | 830 | return ret; |
d02b48c6 RE |
831 | } |
832 | ||
e5c84d51 | 833 | void ERR_error_string_n(unsigned long e, char *buf, size_t len) |
d02b48c6 | 834 | { |
e5c84d51 | 835 | char lsbuf[64], fsbuf[64], rsbuf[64]; |
e778802f | 836 | const char *ls,*fs,*rs; |
d02b48c6 | 837 | unsigned long l,f,r; |
d02b48c6 RE |
838 | |
839 | l=ERR_GET_LIB(e); | |
840 | f=ERR_GET_FUNC(e); | |
841 | r=ERR_GET_REASON(e); | |
842 | ||
843 | ls=ERR_lib_error_string(e); | |
844 | fs=ERR_func_error_string(e); | |
845 | rs=ERR_reason_error_string(e); | |
846 | ||
e5c84d51 BM |
847 | if (ls == NULL) |
848 | BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
d02b48c6 | 849 | if (fs == NULL) |
e5c84d51 | 850 | BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); |
d02b48c6 | 851 | if (rs == NULL) |
e5c84d51 BM |
852 | BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); |
853 | ||
854 | BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
855 | fs?fs:fsbuf, rs?rs:rsbuf); | |
856 | if (strlen(buf) == len-1) | |
857 | { | |
858 | /* output may be truncated; make sure we always have 5 | |
859 | * colon-separated fields, i.e. 4 colons ... */ | |
860 | #define NUM_COLONS 4 | |
861 | if (len > NUM_COLONS) /* ... if possible */ | |
862 | { | |
863 | int i; | |
864 | char *s = buf; | |
865 | ||
866 | for (i = 0; i < NUM_COLONS; i++) | |
867 | { | |
868 | char *colon = strchr(s, ':'); | |
869 | if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) | |
870 | { | |
871 | /* set colon no. i at last possible position | |
872 | * (buf[len-1] is the terminating 0)*/ | |
873 | colon = &buf[len-1] - NUM_COLONS + i; | |
874 | *colon = ':'; | |
875 | } | |
876 | s = colon + 1; | |
877 | } | |
878 | } | |
879 | } | |
880 | } | |
881 | ||
882 | /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
883 | /* ERR_error_string_n should be used instead for ret != NULL | |
884 | * as ERR_error_string cannot know how large the buffer is */ | |
885 | char *ERR_error_string(unsigned long e, char *ret) | |
886 | { | |
887 | static char buf[256]; | |
888 | ||
889 | if (ret == NULL) ret=buf; | |
065866b2 | 890 | ERR_error_string_n(e, ret, 256); |
d02b48c6 | 891 | |
78f79235 | 892 | return ret; |
d02b48c6 RE |
893 | } |
894 | ||
6b691a5c | 895 | LHASH *ERR_get_string_table(void) |
d02b48c6 | 896 | { |
566bdf2b | 897 | err_fns_check(); |
9f29ec47 | 898 | return ERRFN(err_get)(0); |
d02b48c6 RE |
899 | } |
900 | ||
6b691a5c | 901 | LHASH *ERR_get_err_state_table(void) |
d02b48c6 | 902 | { |
566bdf2b | 903 | err_fns_check(); |
9f29ec47 | 904 | return ERRFN(thread_get)(0); |
d02b48c6 RE |
905 | } |
906 | ||
11171f3c RL |
907 | void ERR_release_err_state_table(LHASH **hash) |
908 | { | |
909 | err_fns_check(); | |
910 | ERRFN(thread_release)(hash); | |
911 | } | |
912 | ||
6b691a5c | 913 | const char *ERR_lib_error_string(unsigned long e) |
d02b48c6 | 914 | { |
566bdf2b | 915 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
916 | unsigned long l; |
917 | ||
566bdf2b | 918 | err_fns_check(); |
d02b48c6 | 919 | l=ERR_GET_LIB(e); |
566bdf2b GT |
920 | d.error=ERR_PACK(l,0,0); |
921 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
922 | return((p == NULL)?NULL:p->string); |
923 | } | |
924 | ||
6b691a5c | 925 | const char *ERR_func_error_string(unsigned long e) |
d02b48c6 | 926 | { |
566bdf2b | 927 | ERR_STRING_DATA d,*p; |
d02b48c6 RE |
928 | unsigned long l,f; |
929 | ||
566bdf2b | 930 | err_fns_check(); |
d02b48c6 RE |
931 | l=ERR_GET_LIB(e); |
932 | f=ERR_GET_FUNC(e); | |
566bdf2b GT |
933 | d.error=ERR_PACK(l,f,0); |
934 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 RE |
935 | return((p == NULL)?NULL:p->string); |
936 | } | |
937 | ||
6b691a5c | 938 | const char *ERR_reason_error_string(unsigned long e) |
d02b48c6 RE |
939 | { |
940 | ERR_STRING_DATA d,*p=NULL; | |
941 | unsigned long l,r; | |
942 | ||
566bdf2b | 943 | err_fns_check(); |
d02b48c6 RE |
944 | l=ERR_GET_LIB(e); |
945 | r=ERR_GET_REASON(e); | |
566bdf2b GT |
946 | d.error=ERR_PACK(l,0,r); |
947 | p=ERRFN(err_get_item)(&d); | |
78f79235 | 948 | if (!p) |
d02b48c6 | 949 | { |
566bdf2b GT |
950 | d.error=ERR_PACK(0,0,r); |
951 | p=ERRFN(err_get_item)(&d); | |
d02b48c6 | 952 | } |
d02b48c6 RE |
953 | return((p == NULL)?NULL:p->string); |
954 | } | |
955 | ||
d0fa136c | 956 | /* static unsigned long err_hash(ERR_STRING_DATA *a) */ |
8d28d5f8 | 957 | static unsigned long err_hash(const void *a_void) |
d02b48c6 RE |
958 | { |
959 | unsigned long ret,l; | |
960 | ||
70f34a58 | 961 | l=((const ERR_STRING_DATA *)a_void)->error; |
d02b48c6 RE |
962 | ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); |
963 | return(ret^ret%19*13); | |
964 | } | |
965 | ||
d0fa136c | 966 | /* static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b) */ |
8d28d5f8 | 967 | static int err_cmp(const void *a_void, const void *b_void) |
d02b48c6 | 968 | { |
70f34a58 NL |
969 | return((int)(((const ERR_STRING_DATA *)a_void)->error - |
970 | ((const ERR_STRING_DATA *)b_void)->error)); | |
d02b48c6 RE |
971 | } |
972 | ||
d0fa136c | 973 | /* static unsigned long pid_hash(ERR_STATE *a) */ |
8d28d5f8 | 974 | static unsigned long pid_hash(const void *a_void) |
d02b48c6 | 975 | { |
48fc582f | 976 | return((((const ERR_STATE *)a_void)->pid + (unsigned long)((const ERR_STATE *)a_void)->pidptr)*13); |
d02b48c6 RE |
977 | } |
978 | ||
d0fa136c | 979 | /* static int pid_cmp(ERR_STATE *a, ERR_STATE *b) */ |
8d28d5f8 | 980 | static int pid_cmp(const void *a_void, const void *b_void) |
d02b48c6 | 981 | { |
48fc582f BM |
982 | return (((const ERR_STATE *)a_void)->pid != ((const ERR_STATE *)b_void)->pid) |
983 | || (((const ERR_STATE *)a_void)->pidptr != ((const ERR_STATE *)b_void)->pidptr); | |
d02b48c6 RE |
984 | } |
985 | ||
6b691a5c | 986 | void ERR_remove_state(unsigned long pid) |
d02b48c6 | 987 | { |
566bdf2b | 988 | ERR_STATE tmp; |
48fc582f | 989 | void *pidptr; |
78f79235 | 990 | |
566bdf2b | 991 | err_fns_check(); |
48fc582f BM |
992 | if (pid != 0) |
993 | pidptr = &errno; | |
994 | else | |
995 | { | |
996 | pid = CRYPTO_thread_id(); | |
997 | pidptr = CRYPTO_thread_idptr(); | |
998 | } | |
999 | ||
d02b48c6 | 1000 | tmp.pid=pid; |
48fc582f | 1001 | tmp.pidptr=pidptr; |
566bdf2b GT |
1002 | /* thread_del_item automatically destroys the LHASH if the number of |
1003 | * items reaches zero. */ | |
1004 | ERRFN(thread_del_item)(&tmp); | |
d02b48c6 RE |
1005 | } |
1006 | ||
6b691a5c | 1007 | ERR_STATE *ERR_get_state(void) |
d02b48c6 RE |
1008 | { |
1009 | static ERR_STATE fallback; | |
566bdf2b | 1010 | ERR_STATE *ret,tmp,*tmpp=NULL; |
58964a49 | 1011 | int i; |
d02b48c6 | 1012 | unsigned long pid; |
48fc582f | 1013 | void *pidptr; |
78f79235 | 1014 | |
566bdf2b | 1015 | err_fns_check(); |
48fc582f BM |
1016 | pid = CRYPTO_thread_id(); |
1017 | pidptr = CRYPTO_thread_idptr(); | |
1018 | tmp.pid = pid; | |
1019 | tmp.pidptr = pidptr; | |
566bdf2b | 1020 | ret=ERRFN(thread_get_item)(&tmp); |
d02b48c6 RE |
1021 | |
1022 | /* ret == the error state, if NULL, make a new one */ | |
1023 | if (ret == NULL) | |
1024 | { | |
26a3a48d | 1025 | ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); |
d02b48c6 RE |
1026 | if (ret == NULL) return(&fallback); |
1027 | ret->pid=pid; | |
48fc582f | 1028 | ret->pidptr=pidptr; |
d02b48c6 RE |
1029 | ret->top=0; |
1030 | ret->bottom=0; | |
58964a49 RE |
1031 | for (i=0; i<ERR_NUM_ERRORS; i++) |
1032 | { | |
1033 | ret->err_data[i]=NULL; | |
1034 | ret->err_data_flags[i]=0; | |
1035 | } | |
566bdf2b GT |
1036 | tmpp = ERRFN(thread_set_item)(ret); |
1037 | /* To check if insertion failed, do a get. */ | |
78f79235 | 1038 | if (ERRFN(thread_get_item)(ret) != ret) |
dcba2534 BM |
1039 | { |
1040 | ERR_STATE_free(ret); /* could not insert it */ | |
1041 | return(&fallback); | |
1042 | } | |
566bdf2b GT |
1043 | /* If a race occured in this function and we came second, tmpp |
1044 | * is the first one that we just replaced. */ | |
78f79235 | 1045 | if (tmpp) |
58964a49 | 1046 | ERR_STATE_free(tmpp); |
d02b48c6 | 1047 | } |
78f79235 | 1048 | return ret; |
d02b48c6 RE |
1049 | } |
1050 | ||
6b691a5c | 1051 | int ERR_get_next_error_library(void) |
58964a49 | 1052 | { |
566bdf2b GT |
1053 | err_fns_check(); |
1054 | return ERRFN(get_next_lib)(); | |
58964a49 RE |
1055 | } |
1056 | ||
6b691a5c | 1057 | void ERR_set_error_data(char *data, int flags) |
58964a49 RE |
1058 | { |
1059 | ERR_STATE *es; | |
1060 | int i; | |
1061 | ||
1062 | es=ERR_get_state(); | |
1063 | ||
1064 | i=es->top; | |
1065 | if (i == 0) | |
1066 | i=ERR_NUM_ERRORS-1; | |
1067 | ||
5d809414 | 1068 | err_clear_data(es,i); |
58964a49 | 1069 | es->err_data[i]=data; |
5d809414 | 1070 | es->err_data_flags[i]=flags; |
58964a49 RE |
1071 | } |
1072 | ||
4565c3e3 | 1073 | void ERR_add_error_data(int num, ...) |
b1c4fe36 | 1074 | { |
4565c3e3 | 1075 | va_list args; |
58964a49 RE |
1076 | int i,n,s; |
1077 | char *str,*p,*a; | |
1078 | ||
5d809414 | 1079 | s=80; |
26a3a48d | 1080 | str=OPENSSL_malloc(s+1); |
58964a49 RE |
1081 | if (str == NULL) return; |
1082 | str[0]='\0'; | |
1083 | ||
4565c3e3 | 1084 | va_start(args, num); |
58964a49 RE |
1085 | n=0; |
1086 | for (i=0; i<num; i++) | |
1087 | { | |
4565c3e3 | 1088 | a=va_arg(args, char*); |
dfeab068 RE |
1089 | /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ |
1090 | if (a != NULL) | |
58964a49 | 1091 | { |
dfeab068 RE |
1092 | n+=strlen(a); |
1093 | if (n > s) | |
58964a49 | 1094 | { |
dfeab068 | 1095 | s=n+20; |
26a3a48d | 1096 | p=OPENSSL_realloc(str,s+1); |
dfeab068 RE |
1097 | if (p == NULL) |
1098 | { | |
26a3a48d | 1099 | OPENSSL_free(str); |
98c2a26e | 1100 | goto err; |
dfeab068 RE |
1101 | } |
1102 | else | |
1103 | str=p; | |
58964a49 | 1104 | } |
70f34a58 | 1105 | BUF_strlcat(str,a,(size_t)s+1); |
58964a49 | 1106 | } |
58964a49 RE |
1107 | } |
1108 | ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
1109 | ||
98c2a26e | 1110 | err: |
4565c3e3 | 1111 | va_end(args); |
58964a49 | 1112 | } |
54f64516 RL |
1113 | |
1114 | int ERR_set_mark(void) | |
1115 | { | |
54f64516 RL |
1116 | ERR_STATE *es; |
1117 | ||
1118 | es=ERR_get_state(); | |
1119 | ||
1120 | if (es->bottom == es->top) return 0; | |
1121 | es->err_flags[es->top]|=ERR_FLAG_MARK; | |
1122 | return 1; | |
1123 | } | |
1124 | ||
1125 | int ERR_pop_to_mark(void) | |
1126 | { | |
54f64516 RL |
1127 | ERR_STATE *es; |
1128 | ||
1129 | es=ERR_get_state(); | |
1130 | ||
1131 | while(es->bottom != es->top | |
1132 | && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) | |
1133 | { | |
1134 | err_clear(es,es->top); | |
1135 | es->top-=1; | |
8c5a2bd6 | 1136 | if (es->top == -1) es->top=ERR_NUM_ERRORS-1; |
54f64516 RL |
1137 | } |
1138 | ||
1139 | if (es->bottom == es->top) return 0; | |
1140 | es->err_flags[es->top]&=~ERR_FLAG_MARK; | |
1141 | return 1; | |
1142 | } |