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| 1 /* crypto/err/err.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 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 */ | |
| 58 /* ==================================================================== | |
| 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. | |
| 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 */ | |
| 111 | |
| 112 #include <stdio.h> | |
| 113 #include <stdarg.h> | |
| 114 #include <string.h> | |
| 115 #include "cryptlib.h" | |
| 116 #include <openssl/lhash.h> | |
| 117 #include <openssl/crypto.h> | |
| 118 #include <openssl/buffer.h> | |
| 119 #include <openssl/bio.h> | |
| 120 #include <openssl/err.h> | |
| 121 | |
| 122 DECLARE_LHASH_OF(ERR_STRING_DATA); | |
| 123 DECLARE_LHASH_OF(ERR_STATE); | |
| 124 | |
| 125 static void err_load_strings(int lib, ERR_STRING_DATA *str); | |
| 126 | |
| 127 static void ERR_STATE_free(ERR_STATE *s); | |
| 128 #ifndef OPENSSL_NO_ERR | |
| 129 static ERR_STRING_DATA ERR_str_libraries[]= | |
| 130 { | |
| 131 {ERR_PACK(ERR_LIB_NONE,0,0) ,"unknown library"}, | |
| 132 {ERR_PACK(ERR_LIB_SYS,0,0) ,"system library"}, | |
| 133 {ERR_PACK(ERR_LIB_BN,0,0) ,"bignum routines"}, | |
| 134 {ERR_PACK(ERR_LIB_RSA,0,0) ,"rsa routines"}, | |
| 135 {ERR_PACK(ERR_LIB_DH,0,0) ,"Diffie-Hellman routines"}, | |
| 136 {ERR_PACK(ERR_LIB_EVP,0,0) ,"digital envelope routines"}, | |
| 137 {ERR_PACK(ERR_LIB_BUF,0,0) ,"memory buffer routines"}, | |
| 138 {ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"}, | |
| 139 {ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"}, | |
| 140 {ERR_PACK(ERR_LIB_DSA,0,0) ,"dsa routines"}, | |
| 141 {ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"}, | |
| 142 {ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"}, | |
| 143 {ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"}, | |
| 144 {ERR_PACK(ERR_LIB_CRYPTO,0,0) ,"common libcrypto routines"}, | |
| 145 {ERR_PACK(ERR_LIB_EC,0,0) ,"elliptic curve routines"}, | |
| 146 {ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"}, | |
| 147 {ERR_PACK(ERR_LIB_BIO,0,0) ,"BIO routines"}, | |
| 148 {ERR_PACK(ERR_LIB_PKCS7,0,0) ,"PKCS7 routines"}, | |
| 149 {ERR_PACK(ERR_LIB_X509V3,0,0) ,"X509 V3 routines"}, | |
| 150 {ERR_PACK(ERR_LIB_PKCS12,0,0) ,"PKCS12 routines"}, | |
| 151 {ERR_PACK(ERR_LIB_RAND,0,0) ,"random number generator"}, | |
| 152 {ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"}, | |
| 153 {ERR_PACK(ERR_LIB_TS,0,0) ,"time stamp routines"}, | |
| 154 {ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine routines"}, | |
| 155 {ERR_PACK(ERR_LIB_OCSP,0,0) ,"OCSP routines"}, | |
| 156 {ERR_PACK(ERR_LIB_FIPS,0,0) ,"FIPS routines"}, | |
| 157 {ERR_PACK(ERR_LIB_CMS,0,0) ,"CMS routines"}, | |
| 158 {ERR_PACK(ERR_LIB_HMAC,0,0) ,"HMAC routines"}, | |
| 159 {0,NULL}, | |
| 160 }; | |
| 161 | |
| 162 static ERR_STRING_DATA ERR_str_functs[]= | |
| 163 { | |
| 164 {ERR_PACK(0,SYS_F_FOPEN,0), "fopen"}, | |
| 165 {ERR_PACK(0,SYS_F_CONNECT,0), "connect"}, | |
| 166 {ERR_PACK(0,SYS_F_GETSERVBYNAME,0), "getservbyname"}, | |
| 167 {ERR_PACK(0,SYS_F_SOCKET,0), "socket"}, | |
| 168 {ERR_PACK(0,SYS_F_IOCTLSOCKET,0), "ioctlsocket"}, | |
| 169 {ERR_PACK(0,SYS_F_BIND,0), "bind"}, | |
| 170 {ERR_PACK(0,SYS_F_LISTEN,0), "listen"}, | |
| 171 {ERR_PACK(0,SYS_F_ACCEPT,0), "accept"}, | |
| 172 #ifdef OPENSSL_SYS_WINDOWS | |
| 173 {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"}, | |
| 174 #endif | |
| 175 {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"}, | |
| 176 {ERR_PACK(0,SYS_F_FREAD,0), "fread"}, | |
| 177 {0,NULL}, | |
| 178 }; | |
| 179 | |
| 180 static ERR_STRING_DATA ERR_str_reasons[]= | |
| 181 { | |
| 182 {ERR_R_SYS_LIB ,"system lib"}, | |
| 183 {ERR_R_BN_LIB ,"BN lib"}, | |
| 184 {ERR_R_RSA_LIB ,"RSA lib"}, | |
| 185 {ERR_R_DH_LIB ,"DH lib"}, | |
| 186 {ERR_R_EVP_LIB ,"EVP lib"}, | |
| 187 {ERR_R_BUF_LIB ,"BUF lib"}, | |
| 188 {ERR_R_OBJ_LIB ,"OBJ lib"}, | |
| 189 {ERR_R_PEM_LIB ,"PEM lib"}, | |
| 190 {ERR_R_DSA_LIB ,"DSA lib"}, | |
| 191 {ERR_R_X509_LIB ,"X509 lib"}, | |
| 192 {ERR_R_ASN1_LIB ,"ASN1 lib"}, | |
| 193 {ERR_R_CONF_LIB ,"CONF lib"}, | |
| 194 {ERR_R_CRYPTO_LIB ,"CRYPTO lib"}, | |
| 195 {ERR_R_EC_LIB ,"EC lib"}, | |
| 196 {ERR_R_SSL_LIB ,"SSL lib"}, | |
| 197 {ERR_R_BIO_LIB ,"BIO lib"}, | |
| 198 {ERR_R_PKCS7_LIB ,"PKCS7 lib"}, | |
| 199 {ERR_R_X509V3_LIB ,"X509V3 lib"}, | |
| 200 {ERR_R_PKCS12_LIB ,"PKCS12 lib"}, | |
| 201 {ERR_R_RAND_LIB ,"RAND lib"}, | |
| 202 {ERR_R_DSO_LIB ,"DSO lib"}, | |
| 203 {ERR_R_ENGINE_LIB ,"ENGINE lib"}, | |
| 204 {ERR_R_OCSP_LIB ,"OCSP lib"}, | |
| 205 {ERR_R_TS_LIB ,"TS lib"}, | |
| 206 | |
| 207 {ERR_R_NESTED_ASN1_ERROR ,"nested asn1 error"}, | |
| 208 {ERR_R_BAD_ASN1_OBJECT_HEADER ,"bad asn1 object header"}, | |
| 209 {ERR_R_BAD_GET_ASN1_OBJECT_CALL ,"bad get asn1 object call"}, | |
| 210 {ERR_R_EXPECTING_AN_ASN1_SEQUENCE ,"expecting an asn1 sequence"}, | |
| 211 {ERR_R_ASN1_LENGTH_MISMATCH ,"asn1 length mismatch"}, | |
| 212 {ERR_R_MISSING_ASN1_EOS ,"missing asn1 eos"}, | |
| 213 | |
| 214 {ERR_R_FATAL ,"fatal"}, | |
| 215 {ERR_R_MALLOC_FAILURE ,"malloc failure"}, | |
| 216 {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED ,"called a function you should not call"
}, | |
| 217 {ERR_R_PASSED_NULL_PARAMETER ,"passed a null parameter"}, | |
| 218 {ERR_R_INTERNAL_ERROR ,"internal error"}, | |
| 219 {ERR_R_DISABLED ,"called a function that was disabled at
compile-time"}, | |
| 220 | |
| 221 {0,NULL}, | |
| 222 }; | |
| 223 #endif | |
| 224 | |
| 225 | |
| 226 /* Define the predeclared (but externally opaque) "ERR_FNS" type */ | |
| 227 struct st_ERR_FNS | |
| 228 { | |
| 229 /* Works on the "error_hash" string table */ | |
| 230 LHASH_OF(ERR_STRING_DATA) *(*cb_err_get)(int create); | |
| 231 void (*cb_err_del)(void); | |
| 232 ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *); | |
| 233 ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *); | |
| 234 ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *); | |
| 235 /* Works on the "thread_hash" error-state table */ | |
| 236 LHASH_OF(ERR_STATE) *(*cb_thread_get)(int create); | |
| 237 void (*cb_thread_release)(LHASH_OF(ERR_STATE) **hash); | |
| 238 ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *); | |
| 239 ERR_STATE *(*cb_thread_set_item)(ERR_STATE *); | |
| 240 void (*cb_thread_del_item)(const ERR_STATE *); | |
| 241 /* Returns the next available error "library" numbers */ | |
| 242 int (*cb_get_next_lib)(void); | |
| 243 }; | |
| 244 | |
| 245 /* Predeclarations of the "err_defaults" functions */ | |
| 246 static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create); | |
| 247 static void int_err_del(void); | |
| 248 static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *); | |
| 249 static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *); | |
| 250 static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *); | |
| 251 static LHASH_OF(ERR_STATE) *int_thread_get(int create); | |
| 252 static void int_thread_release(LHASH_OF(ERR_STATE) **hash); | |
| 253 static ERR_STATE *int_thread_get_item(const ERR_STATE *); | |
| 254 static ERR_STATE *int_thread_set_item(ERR_STATE *); | |
| 255 static void int_thread_del_item(const ERR_STATE *); | |
| 256 static int int_err_get_next_lib(void); | |
| 257 /* The static ERR_FNS table using these defaults functions */ | |
| 258 static const ERR_FNS err_defaults = | |
| 259 { | |
| 260 int_err_get, | |
| 261 int_err_del, | |
| 262 int_err_get_item, | |
| 263 int_err_set_item, | |
| 264 int_err_del_item, | |
| 265 int_thread_get, | |
| 266 int_thread_release, | |
| 267 int_thread_get_item, | |
| 268 int_thread_set_item, | |
| 269 int_thread_del_item, | |
| 270 int_err_get_next_lib | |
| 271 }; | |
| 272 | |
| 273 /* The replacable table of ERR_FNS functions we use at run-time */ | |
| 274 static const ERR_FNS *err_fns = NULL; | |
| 275 | |
| 276 /* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */ | |
| 277 #define ERRFN(a) err_fns->cb_##a | |
| 278 | |
| 279 /* The internal state used by "err_defaults" - as such, the setting, reading, | |
| 280 * creating, and deleting of this data should only be permitted via the | |
| 281 * "err_defaults" functions. This way, a linked module can completely defer all | |
| 282 * ERR state operation (together with requisite locking) to the implementations | |
| 283 * and state in the loading application. */ | |
| 284 static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL; | |
| 285 static LHASH_OF(ERR_STATE) *int_thread_hash = NULL; | |
| 286 static int int_thread_hash_references = 0; | |
| 287 static int int_err_library_number= ERR_LIB_USER; | |
| 288 | |
| 289 /* Internal function that checks whether "err_fns" is set and if not, sets it to | |
| 290 * the defaults. */ | |
| 291 static void err_fns_check(void) | |
| 292 { | |
| 293 if (err_fns) return; | |
| 294 | |
| 295 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 296 if (!err_fns) | |
| 297 err_fns = &err_defaults; | |
| 298 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 299 } | |
| 300 | |
| 301 /* API functions to get or set the underlying ERR functions. */ | |
| 302 | |
| 303 const ERR_FNS *ERR_get_implementation(void) | |
| 304 { | |
| 305 err_fns_check(); | |
| 306 return err_fns; | |
| 307 } | |
| 308 | |
| 309 int ERR_set_implementation(const ERR_FNS *fns) | |
| 310 { | |
| 311 int ret = 0; | |
| 312 | |
| 313 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 314 /* It's too late if 'err_fns' is non-NULL. BTW: not much point setting | |
| 315 * an error is there?! */ | |
| 316 if (!err_fns) | |
| 317 { | |
| 318 err_fns = fns; | |
| 319 ret = 1; | |
| 320 } | |
| 321 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 322 return ret; | |
| 323 } | |
| 324 | |
| 325 /* These are the callbacks provided to "lh_new()" when creating the LHASH tables | |
| 326 * internal to the "err_defaults" implementation. */ | |
| 327 | |
| 328 static unsigned long get_error_values(int inc,int top,const char **file,int *lin
e, | |
| 329 const char **data,int *flags); | |
| 330 | |
| 331 /* The internal functions used in the "err_defaults" implementation */ | |
| 332 | |
| 333 static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) | |
| 334 { | |
| 335 unsigned long ret,l; | |
| 336 | |
| 337 l=a->error; | |
| 338 ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); | |
| 339 return(ret^ret%19*13); | |
| 340 } | |
| 341 static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA) | |
| 342 | |
| 343 static int err_string_data_cmp(const ERR_STRING_DATA *a, | |
| 344 const ERR_STRING_DATA *b) | |
| 345 { | |
| 346 return (int)(a->error - b->error); | |
| 347 } | |
| 348 static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA) | |
| 349 | |
| 350 static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create) | |
| 351 { | |
| 352 LHASH_OF(ERR_STRING_DATA) *ret = NULL; | |
| 353 | |
| 354 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 355 if (!int_error_hash && create) | |
| 356 { | |
| 357 CRYPTO_push_info("int_err_get (err.c)"); | |
| 358 int_error_hash = lh_ERR_STRING_DATA_new(); | |
| 359 CRYPTO_pop_info(); | |
| 360 } | |
| 361 if (int_error_hash) | |
| 362 ret = int_error_hash; | |
| 363 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 364 | |
| 365 return ret; | |
| 366 } | |
| 367 | |
| 368 static void int_err_del(void) | |
| 369 { | |
| 370 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 371 if (int_error_hash) | |
| 372 { | |
| 373 lh_ERR_STRING_DATA_free(int_error_hash); | |
| 374 int_error_hash = NULL; | |
| 375 } | |
| 376 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 377 } | |
| 378 | |
| 379 static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) | |
| 380 { | |
| 381 ERR_STRING_DATA *p; | |
| 382 LHASH_OF(ERR_STRING_DATA) *hash; | |
| 383 | |
| 384 err_fns_check(); | |
| 385 hash = ERRFN(err_get)(0); | |
| 386 if (!hash) | |
| 387 return NULL; | |
| 388 | |
| 389 CRYPTO_r_lock(CRYPTO_LOCK_ERR); | |
| 390 p = lh_ERR_STRING_DATA_retrieve(hash, d); | |
| 391 CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
| 392 | |
| 393 return p; | |
| 394 } | |
| 395 | |
| 396 static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d) | |
| 397 { | |
| 398 ERR_STRING_DATA *p; | |
| 399 LHASH_OF(ERR_STRING_DATA) *hash; | |
| 400 | |
| 401 err_fns_check(); | |
| 402 hash = ERRFN(err_get)(1); | |
| 403 if (!hash) | |
| 404 return NULL; | |
| 405 | |
| 406 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 407 p = lh_ERR_STRING_DATA_insert(hash, d); | |
| 408 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 409 | |
| 410 return p; | |
| 411 } | |
| 412 | |
| 413 static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d) | |
| 414 { | |
| 415 ERR_STRING_DATA *p; | |
| 416 LHASH_OF(ERR_STRING_DATA) *hash; | |
| 417 | |
| 418 err_fns_check(); | |
| 419 hash = ERRFN(err_get)(0); | |
| 420 if (!hash) | |
| 421 return NULL; | |
| 422 | |
| 423 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 424 p = lh_ERR_STRING_DATA_delete(hash, d); | |
| 425 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 426 | |
| 427 return p; | |
| 428 } | |
| 429 | |
| 430 static unsigned long err_state_hash(const ERR_STATE *a) | |
| 431 { | |
| 432 return CRYPTO_THREADID_hash(&a->tid) * 13; | |
| 433 } | |
| 434 static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE) | |
| 435 | |
| 436 static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b) | |
| 437 { | |
| 438 return CRYPTO_THREADID_cmp(&a->tid, &b->tid); | |
| 439 } | |
| 440 static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE) | |
| 441 | |
| 442 static LHASH_OF(ERR_STATE) *int_thread_get(int create) | |
| 443 { | |
| 444 LHASH_OF(ERR_STATE) *ret = NULL; | |
| 445 | |
| 446 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 447 if (!int_thread_hash && create) | |
| 448 { | |
| 449 CRYPTO_push_info("int_thread_get (err.c)"); | |
| 450 int_thread_hash = lh_ERR_STATE_new(); | |
| 451 CRYPTO_pop_info(); | |
| 452 } | |
| 453 if (int_thread_hash) | |
| 454 { | |
| 455 int_thread_hash_references++; | |
| 456 ret = int_thread_hash; | |
| 457 } | |
| 458 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 459 return ret; | |
| 460 } | |
| 461 | |
| 462 static void int_thread_release(LHASH_OF(ERR_STATE) **hash) | |
| 463 { | |
| 464 int i; | |
| 465 | |
| 466 if (hash == NULL || *hash == NULL) | |
| 467 return; | |
| 468 | |
| 469 i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR); | |
| 470 | |
| 471 #ifdef REF_PRINT | |
| 472 fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR"); | |
| 473 #endif | |
| 474 if (i > 0) return; | |
| 475 #ifdef REF_CHECK | |
| 476 if (i < 0) | |
| 477 { | |
| 478 fprintf(stderr,"int_thread_release, bad reference count\n"); | |
| 479 abort(); /* ok */ | |
| 480 } | |
| 481 #endif | |
| 482 *hash = NULL; | |
| 483 } | |
| 484 | |
| 485 static ERR_STATE *int_thread_get_item(const ERR_STATE *d) | |
| 486 { | |
| 487 ERR_STATE *p; | |
| 488 LHASH_OF(ERR_STATE) *hash; | |
| 489 | |
| 490 err_fns_check(); | |
| 491 hash = ERRFN(thread_get)(0); | |
| 492 if (!hash) | |
| 493 return NULL; | |
| 494 | |
| 495 CRYPTO_r_lock(CRYPTO_LOCK_ERR); | |
| 496 p = lh_ERR_STATE_retrieve(hash, d); | |
| 497 CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
| 498 | |
| 499 ERRFN(thread_release)(&hash); | |
| 500 return p; | |
| 501 } | |
| 502 | |
| 503 static ERR_STATE *int_thread_set_item(ERR_STATE *d) | |
| 504 { | |
| 505 ERR_STATE *p; | |
| 506 LHASH_OF(ERR_STATE) *hash; | |
| 507 | |
| 508 err_fns_check(); | |
| 509 hash = ERRFN(thread_get)(1); | |
| 510 if (!hash) | |
| 511 return NULL; | |
| 512 | |
| 513 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 514 p = lh_ERR_STATE_insert(hash, d); | |
| 515 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 516 | |
| 517 ERRFN(thread_release)(&hash); | |
| 518 return p; | |
| 519 } | |
| 520 | |
| 521 static void int_thread_del_item(const ERR_STATE *d) | |
| 522 { | |
| 523 ERR_STATE *p; | |
| 524 LHASH_OF(ERR_STATE) *hash; | |
| 525 | |
| 526 err_fns_check(); | |
| 527 hash = ERRFN(thread_get)(0); | |
| 528 if (!hash) | |
| 529 return; | |
| 530 | |
| 531 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 532 p = lh_ERR_STATE_delete(hash, d); | |
| 533 /* make sure we don't leak memory */ | |
| 534 if (int_thread_hash_references == 1 | |
| 535 && int_thread_hash && lh_ERR_STATE_num_items(int_thread_hash) == 0) | |
| 536 { | |
| 537 lh_ERR_STATE_free(int_thread_hash); | |
| 538 int_thread_hash = NULL; | |
| 539 } | |
| 540 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 541 | |
| 542 ERRFN(thread_release)(&hash); | |
| 543 if (p) | |
| 544 ERR_STATE_free(p); | |
| 545 } | |
| 546 | |
| 547 static int int_err_get_next_lib(void) | |
| 548 { | |
| 549 int ret; | |
| 550 | |
| 551 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 552 ret = int_err_library_number++; | |
| 553 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 554 | |
| 555 return ret; | |
| 556 } | |
| 557 | |
| 558 | |
| 559 #ifndef OPENSSL_NO_ERR | |
| 560 #define NUM_SYS_STR_REASONS 127 | |
| 561 #define LEN_SYS_STR_REASON 32 | |
| 562 | |
| 563 static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; | |
| 564 /* SYS_str_reasons is filled with copies of strerror() results at | |
| 565 * initialization. | |
| 566 * 'errno' values up to 127 should cover all usual errors, | |
| 567 * others will be displayed numerically by ERR_error_string. | |
| 568 * It is crucial that we have something for each reason code | |
| 569 * that occurs in ERR_str_reasons, or bogus reason strings | |
| 570 * will be returned for SYSerr(), which always gets an errno | |
| 571 * value and never one of those 'standard' reason codes. */ | |
| 572 | |
| 573 static void build_SYS_str_reasons(void) | |
| 574 { | |
| 575 /* OPENSSL_malloc cannot be used here, use static storage instead */ | |
| 576 static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; | |
| 577 int i; | |
| 578 static int init = 1; | |
| 579 | |
| 580 CRYPTO_r_lock(CRYPTO_LOCK_ERR); | |
| 581 if (!init) | |
| 582 { | |
| 583 CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
| 584 return; | |
| 585 } | |
| 586 | |
| 587 CRYPTO_r_unlock(CRYPTO_LOCK_ERR); | |
| 588 CRYPTO_w_lock(CRYPTO_LOCK_ERR); | |
| 589 if (!init) | |
| 590 { | |
| 591 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 592 return; | |
| 593 } | |
| 594 | |
| 595 for (i = 1; i <= NUM_SYS_STR_REASONS; i++) | |
| 596 { | |
| 597 ERR_STRING_DATA *str = &SYS_str_reasons[i - 1]; | |
| 598 | |
| 599 str->error = (unsigned long)i; | |
| 600 if (str->string == NULL) | |
| 601 { | |
| 602 char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]
); | |
| 603 char *src = strerror(i); | |
| 604 if (src != NULL) | |
| 605 { | |
| 606 strncpy(*dest, src, sizeof *dest); | |
| 607 (*dest)[sizeof *dest - 1] = '\0'; | |
| 608 str->string = *dest; | |
| 609 } | |
| 610 } | |
| 611 if (str->string == NULL) | |
| 612 str->string = "unknown"; | |
| 613 } | |
| 614 | |
| 615 /* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL}, | |
| 616 * as required by ERR_load_strings. */ | |
| 617 | |
| 618 init = 0; | |
| 619 | |
| 620 CRYPTO_w_unlock(CRYPTO_LOCK_ERR); | |
| 621 } | |
| 622 #endif | |
| 623 | |
| 624 #define err_clear_data(p,i) \ | |
| 625 do { \ | |
| 626 if (((p)->err_data[i] != NULL) && \ | |
| 627 (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | |
| 628 { \ | |
| 629 OPENSSL_free((p)->err_data[i]); \ | |
| 630 (p)->err_data[i]=NULL; \ | |
| 631 } \ | |
| 632 (p)->err_data_flags[i]=0; \ | |
| 633 } while(0) | |
| 634 | |
| 635 #define err_clear(p,i) \ | |
| 636 do { \ | |
| 637 (p)->err_flags[i]=0; \ | |
| 638 (p)->err_buffer[i]=0; \ | |
| 639 err_clear_data(p,i); \ | |
| 640 (p)->err_file[i]=NULL; \ | |
| 641 (p)->err_line[i]= -1; \ | |
| 642 } while(0) | |
| 643 | |
| 644 static void ERR_STATE_free(ERR_STATE *s) | |
| 645 { | |
| 646 int i; | |
| 647 | |
| 648 if (s == NULL) | |
| 649 return; | |
| 650 | |
| 651 for (i=0; i<ERR_NUM_ERRORS; i++) | |
| 652 { | |
| 653 err_clear_data(s,i); | |
| 654 } | |
| 655 OPENSSL_free(s); | |
| 656 } | |
| 657 | |
| 658 void ERR_load_ERR_strings(void) | |
| 659 { | |
| 660 err_fns_check(); | |
| 661 #ifndef OPENSSL_NO_ERR | |
| 662 err_load_strings(0,ERR_str_libraries); | |
| 663 err_load_strings(0,ERR_str_reasons); | |
| 664 err_load_strings(ERR_LIB_SYS,ERR_str_functs); | |
| 665 build_SYS_str_reasons(); | |
| 666 err_load_strings(ERR_LIB_SYS,SYS_str_reasons); | |
| 667 #endif | |
| 668 } | |
| 669 | |
| 670 static void err_load_strings(int lib, ERR_STRING_DATA *str) | |
| 671 { | |
| 672 while (str->error) | |
| 673 { | |
| 674 if (lib) | |
| 675 str->error|=ERR_PACK(lib,0,0); | |
| 676 ERRFN(err_set_item)(str); | |
| 677 str++; | |
| 678 } | |
| 679 } | |
| 680 | |
| 681 void ERR_load_strings(int lib, ERR_STRING_DATA *str) | |
| 682 { | |
| 683 ERR_load_ERR_strings(); | |
| 684 err_load_strings(lib, str); | |
| 685 } | |
| 686 | |
| 687 void ERR_unload_strings(int lib, ERR_STRING_DATA *str) | |
| 688 { | |
| 689 while (str->error) | |
| 690 { | |
| 691 if (lib) | |
| 692 str->error|=ERR_PACK(lib,0,0); | |
| 693 ERRFN(err_del_item)(str); | |
| 694 str++; | |
| 695 } | |
| 696 } | |
| 697 | |
| 698 void ERR_free_strings(void) | |
| 699 { | |
| 700 err_fns_check(); | |
| 701 ERRFN(err_del)(); | |
| 702 } | |
| 703 | |
| 704 /********************************************************/ | |
| 705 | |
| 706 void ERR_put_error(int lib, int func, int reason, const char *file, | |
| 707 int line) | |
| 708 { | |
| 709 ERR_STATE *es; | |
| 710 | |
| 711 #ifdef _OSD_POSIX | |
| 712 /* In the BS2000-OSD POSIX subsystem, the compiler generates | |
| 713 * path names in the form "*POSIX(/etc/passwd)". | |
| 714 * This dirty hack strips them to something sensible. | |
| 715 * @@@ We shouldn't modify a const string, though. | |
| 716 */ | |
| 717 if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) { | |
| 718 char *end; | |
| 719 | |
| 720 /* Skip the "*POSIX(" prefix */ | |
| 721 file += sizeof("*POSIX(")-1; | |
| 722 end = &file[strlen(file)-1]; | |
| 723 if (*end == ')') | |
| 724 *end = '\0'; | |
| 725 /* Optional: use the basename of the path only. */ | |
| 726 if ((end = strrchr(file, '/')) != NULL) | |
| 727 file = &end[1]; | |
| 728 } | |
| 729 #endif | |
| 730 es=ERR_get_state(); | |
| 731 | |
| 732 es->top=(es->top+1)%ERR_NUM_ERRORS; | |
| 733 if (es->top == es->bottom) | |
| 734 es->bottom=(es->bottom+1)%ERR_NUM_ERRORS; | |
| 735 es->err_flags[es->top]=0; | |
| 736 es->err_buffer[es->top]=ERR_PACK(lib,func,reason); | |
| 737 es->err_file[es->top]=file; | |
| 738 es->err_line[es->top]=line; | |
| 739 err_clear_data(es,es->top); | |
| 740 } | |
| 741 | |
| 742 void ERR_clear_error(void) | |
| 743 { | |
| 744 int i; | |
| 745 ERR_STATE *es; | |
| 746 | |
| 747 es=ERR_get_state(); | |
| 748 | |
| 749 for (i=0; i<ERR_NUM_ERRORS; i++) | |
| 750 { | |
| 751 err_clear(es,i); | |
| 752 } | |
| 753 es->top=es->bottom=0; | |
| 754 } | |
| 755 | |
| 756 | |
| 757 unsigned long ERR_get_error(void) | |
| 758 { return(get_error_values(1,0,NULL,NULL,NULL,NULL)); } | |
| 759 | |
| 760 unsigned long ERR_get_error_line(const char **file, | |
| 761 int *line) | |
| 762 { return(get_error_values(1,0,file,line,NULL,NULL)); } | |
| 763 | |
| 764 unsigned long ERR_get_error_line_data(const char **file, int *line, | |
| 765 const char **data, int *flags) | |
| 766 { return(get_error_values(1,0,file,line,data,flags)); } | |
| 767 | |
| 768 | |
| 769 unsigned long ERR_peek_error(void) | |
| 770 { return(get_error_values(0,0,NULL,NULL,NULL,NULL)); } | |
| 771 | |
| 772 unsigned long ERR_peek_error_line(const char **file, int *line) | |
| 773 { return(get_error_values(0,0,file,line,NULL,NULL)); } | |
| 774 | |
| 775 unsigned long ERR_peek_error_line_data(const char **file, int *line, | |
| 776 const char **data, int *flags) | |
| 777 { return(get_error_values(0,0,file,line,data,flags)); } | |
| 778 | |
| 779 | |
| 780 unsigned long ERR_peek_last_error(void) | |
| 781 { return(get_error_values(0,1,NULL,NULL,NULL,NULL)); } | |
| 782 | |
| 783 unsigned long ERR_peek_last_error_line(const char **file, int *line) | |
| 784 { return(get_error_values(0,1,file,line,NULL,NULL)); } | |
| 785 | |
| 786 unsigned long ERR_peek_last_error_line_data(const char **file, int *line, | |
| 787 const char **data, int *flags) | |
| 788 { return(get_error_values(0,1,file,line,data,flags)); } | |
| 789 | |
| 790 | |
| 791 static unsigned long get_error_values(int inc, int top, const char **file, int *
line, | |
| 792 const char **data, int *flags) | |
| 793 { | |
| 794 int i=0; | |
| 795 ERR_STATE *es; | |
| 796 unsigned long ret; | |
| 797 | |
| 798 es=ERR_get_state(); | |
| 799 | |
| 800 if (inc && top) | |
| 801 { | |
| 802 if (file) *file = ""; | |
| 803 if (line) *line = 0; | |
| 804 if (data) *data = ""; | |
| 805 if (flags) *flags = 0; | |
| 806 | |
| 807 return ERR_R_INTERNAL_ERROR; | |
| 808 } | |
| 809 | |
| 810 if (es->bottom == es->top) return 0; | |
| 811 if (top) | |
| 812 i=es->top; /* last error */ | |
| 813 else | |
| 814 i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */ | |
| 815 | |
| 816 ret=es->err_buffer[i]; | |
| 817 if (inc) | |
| 818 { | |
| 819 es->bottom=i; | |
| 820 es->err_buffer[i]=0; | |
| 821 } | |
| 822 | |
| 823 if ((file != NULL) && (line != NULL)) | |
| 824 { | |
| 825 if (es->err_file[i] == NULL) | |
| 826 { | |
| 827 *file="NA"; | |
| 828 if (line != NULL) *line=0; | |
| 829 } | |
| 830 else | |
| 831 { | |
| 832 *file=es->err_file[i]; | |
| 833 if (line != NULL) *line=es->err_line[i]; | |
| 834 } | |
| 835 } | |
| 836 | |
| 837 if (data == NULL) | |
| 838 { | |
| 839 if (inc) | |
| 840 { | |
| 841 err_clear_data(es, i); | |
| 842 } | |
| 843 } | |
| 844 else | |
| 845 { | |
| 846 if (es->err_data[i] == NULL) | |
| 847 { | |
| 848 *data=""; | |
| 849 if (flags != NULL) *flags=0; | |
| 850 } | |
| 851 else | |
| 852 { | |
| 853 *data=es->err_data[i]; | |
| 854 if (flags != NULL) *flags=es->err_data_flags[i]; | |
| 855 } | |
| 856 } | |
| 857 return ret; | |
| 858 } | |
| 859 | |
| 860 void ERR_error_string_n(unsigned long e, char *buf, size_t len) | |
| 861 { | |
| 862 char lsbuf[64], fsbuf[64], rsbuf[64]; | |
| 863 const char *ls,*fs,*rs; | |
| 864 unsigned long l,f,r; | |
| 865 | |
| 866 l=ERR_GET_LIB(e); | |
| 867 f=ERR_GET_FUNC(e); | |
| 868 r=ERR_GET_REASON(e); | |
| 869 | |
| 870 ls=ERR_lib_error_string(e); | |
| 871 fs=ERR_func_error_string(e); | |
| 872 rs=ERR_reason_error_string(e); | |
| 873 | |
| 874 if (ls == NULL) | |
| 875 BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); | |
| 876 if (fs == NULL) | |
| 877 BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); | |
| 878 if (rs == NULL) | |
| 879 BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); | |
| 880 | |
| 881 BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, | |
| 882 fs?fs:fsbuf, rs?rs:rsbuf); | |
| 883 if (strlen(buf) == len-1) | |
| 884 { | |
| 885 /* output may be truncated; make sure we always have 5 | |
| 886 * colon-separated fields, i.e. 4 colons ... */ | |
| 887 #define NUM_COLONS 4 | |
| 888 if (len > NUM_COLONS) /* ... if possible */ | |
| 889 { | |
| 890 int i; | |
| 891 char *s = buf; | |
| 892 | |
| 893 for (i = 0; i < NUM_COLONS; i++) | |
| 894 { | |
| 895 char *colon = strchr(s, ':'); | |
| 896 if (colon == NULL || colon > &buf[len-1] - NUM_C
OLONS + i) | |
| 897 { | |
| 898 /* set colon no. i at last possible posi
tion | |
| 899 * (buf[len-1] is the terminating 0)*/ | |
| 900 colon = &buf[len-1] - NUM_COLONS + i; | |
| 901 *colon = ':'; | |
| 902 } | |
| 903 s = colon + 1; | |
| 904 } | |
| 905 } | |
| 906 } | |
| 907 } | |
| 908 | |
| 909 /* BAD for multi-threading: uses a local buffer if ret == NULL */ | |
| 910 /* ERR_error_string_n should be used instead for ret != NULL | |
| 911 * as ERR_error_string cannot know how large the buffer is */ | |
| 912 char *ERR_error_string(unsigned long e, char *ret) | |
| 913 { | |
| 914 static char buf[256]; | |
| 915 | |
| 916 if (ret == NULL) ret=buf; | |
| 917 ERR_error_string_n(e, ret, 256); | |
| 918 | |
| 919 return ret; | |
| 920 } | |
| 921 | |
| 922 LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void) | |
| 923 { | |
| 924 err_fns_check(); | |
| 925 return ERRFN(err_get)(0); | |
| 926 } | |
| 927 | |
| 928 LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void) | |
| 929 { | |
| 930 err_fns_check(); | |
| 931 return ERRFN(thread_get)(0); | |
| 932 } | |
| 933 | |
| 934 void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash) | |
| 935 { | |
| 936 err_fns_check(); | |
| 937 ERRFN(thread_release)(hash); | |
| 938 } | |
| 939 | |
| 940 const char *ERR_lib_error_string(unsigned long e) | |
| 941 { | |
| 942 ERR_STRING_DATA d,*p; | |
| 943 unsigned long l; | |
| 944 | |
| 945 err_fns_check(); | |
| 946 l=ERR_GET_LIB(e); | |
| 947 d.error=ERR_PACK(l,0,0); | |
| 948 p=ERRFN(err_get_item)(&d); | |
| 949 return((p == NULL)?NULL:p->string); | |
| 950 } | |
| 951 | |
| 952 const char *ERR_func_error_string(unsigned long e) | |
| 953 { | |
| 954 ERR_STRING_DATA d,*p; | |
| 955 unsigned long l,f; | |
| 956 | |
| 957 err_fns_check(); | |
| 958 l=ERR_GET_LIB(e); | |
| 959 f=ERR_GET_FUNC(e); | |
| 960 d.error=ERR_PACK(l,f,0); | |
| 961 p=ERRFN(err_get_item)(&d); | |
| 962 return((p == NULL)?NULL:p->string); | |
| 963 } | |
| 964 | |
| 965 const char *ERR_reason_error_string(unsigned long e) | |
| 966 { | |
| 967 ERR_STRING_DATA d,*p=NULL; | |
| 968 unsigned long l,r; | |
| 969 | |
| 970 err_fns_check(); | |
| 971 l=ERR_GET_LIB(e); | |
| 972 r=ERR_GET_REASON(e); | |
| 973 d.error=ERR_PACK(l,0,r); | |
| 974 p=ERRFN(err_get_item)(&d); | |
| 975 if (!p) | |
| 976 { | |
| 977 d.error=ERR_PACK(0,0,r); | |
| 978 p=ERRFN(err_get_item)(&d); | |
| 979 } | |
| 980 return((p == NULL)?NULL:p->string); | |
| 981 } | |
| 982 | |
| 983 void ERR_remove_thread_state(const CRYPTO_THREADID *id) | |
| 984 { | |
| 985 ERR_STATE tmp; | |
| 986 | |
| 987 if (id) | |
| 988 CRYPTO_THREADID_cpy(&tmp.tid, id); | |
| 989 else | |
| 990 CRYPTO_THREADID_current(&tmp.tid); | |
| 991 err_fns_check(); | |
| 992 /* thread_del_item automatically destroys the LHASH if the number of | |
| 993 * items reaches zero. */ | |
| 994 ERRFN(thread_del_item)(&tmp); | |
| 995 } | |
| 996 | |
| 997 #ifndef OPENSSL_NO_DEPRECATED | |
| 998 void ERR_remove_state(unsigned long pid) | |
| 999 { | |
| 1000 ERR_remove_thread_state(NULL); | |
| 1001 } | |
| 1002 #endif | |
| 1003 | |
| 1004 ERR_STATE *ERR_get_state(void) | |
| 1005 { | |
| 1006 static ERR_STATE fallback; | |
| 1007 ERR_STATE *ret,tmp,*tmpp=NULL; | |
| 1008 int i; | |
| 1009 CRYPTO_THREADID tid; | |
| 1010 | |
| 1011 err_fns_check(); | |
| 1012 CRYPTO_THREADID_current(&tid); | |
| 1013 CRYPTO_THREADID_cpy(&tmp.tid, &tid); | |
| 1014 ret=ERRFN(thread_get_item)(&tmp); | |
| 1015 | |
| 1016 /* ret == the error state, if NULL, make a new one */ | |
| 1017 if (ret == NULL) | |
| 1018 { | |
| 1019 ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE)); | |
| 1020 if (ret == NULL) return(&fallback); | |
| 1021 CRYPTO_THREADID_cpy(&ret->tid, &tid); | |
| 1022 ret->top=0; | |
| 1023 ret->bottom=0; | |
| 1024 for (i=0; i<ERR_NUM_ERRORS; i++) | |
| 1025 { | |
| 1026 ret->err_data[i]=NULL; | |
| 1027 ret->err_data_flags[i]=0; | |
| 1028 } | |
| 1029 tmpp = ERRFN(thread_set_item)(ret); | |
| 1030 /* To check if insertion failed, do a get. */ | |
| 1031 if (ERRFN(thread_get_item)(ret) != ret) | |
| 1032 { | |
| 1033 ERR_STATE_free(ret); /* could not insert it */ | |
| 1034 return(&fallback); | |
| 1035 } | |
| 1036 /* If a race occured in this function and we came second, tmpp | |
| 1037 * is the first one that we just replaced. */ | |
| 1038 if (tmpp) | |
| 1039 ERR_STATE_free(tmpp); | |
| 1040 } | |
| 1041 return ret; | |
| 1042 } | |
| 1043 | |
| 1044 int ERR_get_next_error_library(void) | |
| 1045 { | |
| 1046 err_fns_check(); | |
| 1047 return ERRFN(get_next_lib)(); | |
| 1048 } | |
| 1049 | |
| 1050 void ERR_set_error_data(char *data, int flags) | |
| 1051 { | |
| 1052 ERR_STATE *es; | |
| 1053 int i; | |
| 1054 | |
| 1055 es=ERR_get_state(); | |
| 1056 | |
| 1057 i=es->top; | |
| 1058 if (i == 0) | |
| 1059 i=ERR_NUM_ERRORS-1; | |
| 1060 | |
| 1061 err_clear_data(es,i); | |
| 1062 es->err_data[i]=data; | |
| 1063 es->err_data_flags[i]=flags; | |
| 1064 } | |
| 1065 | |
| 1066 void ERR_add_error_data(int num, ...) | |
| 1067 { | |
| 1068 va_list args; | |
| 1069 va_start(args, num); | |
| 1070 ERR_add_error_vdata(num, args); | |
| 1071 va_end(args); | |
| 1072 } | |
| 1073 | |
| 1074 void ERR_add_error_vdata(int num, va_list args) | |
| 1075 { | |
| 1076 int i,n,s; | |
| 1077 char *str,*p,*a; | |
| 1078 | |
| 1079 s=80; | |
| 1080 str=OPENSSL_malloc(s+1); | |
| 1081 if (str == NULL) return; | |
| 1082 str[0]='\0'; | |
| 1083 | |
| 1084 n=0; | |
| 1085 for (i=0; i<num; i++) | |
| 1086 { | |
| 1087 a=va_arg(args, char*); | |
| 1088 /* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */ | |
| 1089 if (a != NULL) | |
| 1090 { | |
| 1091 n+=strlen(a); | |
| 1092 if (n > s) | |
| 1093 { | |
| 1094 s=n+20; | |
| 1095 p=OPENSSL_realloc(str,s+1); | |
| 1096 if (p == NULL) | |
| 1097 { | |
| 1098 OPENSSL_free(str); | |
| 1099 return; | |
| 1100 } | |
| 1101 else | |
| 1102 str=p; | |
| 1103 } | |
| 1104 BUF_strlcat(str,a,(size_t)s+1); | |
| 1105 } | |
| 1106 } | |
| 1107 ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); | |
| 1108 } | |
| 1109 | |
| 1110 int ERR_set_mark(void) | |
| 1111 { | |
| 1112 ERR_STATE *es; | |
| 1113 | |
| 1114 es=ERR_get_state(); | |
| 1115 | |
| 1116 if (es->bottom == es->top) return 0; | |
| 1117 es->err_flags[es->top]|=ERR_FLAG_MARK; | |
| 1118 return 1; | |
| 1119 } | |
| 1120 | |
| 1121 int ERR_pop_to_mark(void) | |
| 1122 { | |
| 1123 ERR_STATE *es; | |
| 1124 | |
| 1125 es=ERR_get_state(); | |
| 1126 | |
| 1127 while(es->bottom != es->top | |
| 1128 && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) | |
| 1129 { | |
| 1130 err_clear(es,es->top); | |
| 1131 es->top-=1; | |
| 1132 if (es->top == -1) es->top=ERR_NUM_ERRORS-1; | |
| 1133 } | |
| 1134 | |
| 1135 if (es->bottom == es->top) return 0; | |
| 1136 es->err_flags[es->top]&=~ERR_FLAG_MARK; | |
| 1137 return 1; | |
| 1138 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master