OLD | NEW |
1 /* crypto/err/err.c */ | 1 /* crypto/err/err.c */ |
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
3 * All rights reserved. | 3 * All rights reserved. |
4 * | 4 * |
5 * This package is an SSL implementation written | 5 * This package is an SSL implementation written |
6 * by Eric Young (eay@cryptsoft.com). | 6 * by Eric Young (eay@cryptsoft.com). |
7 * The implementation was written so as to conform with Netscapes SSL. | 7 * The implementation was written so as to conform with Netscapes SSL. |
8 * | 8 * |
9 * This library is free for commercial and non-commercial use as long as | 9 * This library is free for commercial and non-commercial use as long as |
10 * the following conditions are aheared to. The following conditions | 10 * the following conditions are aheared to. The following conditions |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 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 | 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
51 * SUCH DAMAGE. | 51 * SUCH DAMAGE. |
52 * | 52 * |
53 * The licence and distribution terms for any publically available version or | 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 | 54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
55 * copied and put under another distribution licence | 55 * copied and put under another distribution licence |
56 * [including the GNU Public Licence.] | 56 * [including the GNU Public Licence.] |
57 */ | 57 */ |
58 /* ==================================================================== | 58 /* ==================================================================== |
59 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. | 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
60 * | 60 * |
61 * Redistribution and use in source and binary forms, with or without | 61 * Redistribution and use in source and binary forms, with or without |
62 * modification, are permitted provided that the following conditions | 62 * modification, are permitted provided that the following conditions |
63 * are met: | 63 * are met: |
64 * | 64 * |
65 * 1. Redistributions of source code must retain the above copyright | 65 * 1. Redistributions of source code must retain the above copyright |
66 * notice, this list of conditions and the following disclaimer. | 66 * notice, this list of conditions and the following disclaimer. |
67 * | 67 * |
68 * 2. Redistributions in binary form must reproduce the above copyright | 68 * 2. Redistributions in binary form must reproduce the above copyright |
69 * notice, this list of conditions and the following disclaimer in | 69 * notice, this list of conditions and the following disclaimer in |
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112 #include <stdio.h> | 112 #include <stdio.h> |
113 #include <stdarg.h> | 113 #include <stdarg.h> |
114 #include <string.h> | 114 #include <string.h> |
115 #include "cryptlib.h" | 115 #include "cryptlib.h" |
116 #include <openssl/lhash.h> | 116 #include <openssl/lhash.h> |
117 #include <openssl/crypto.h> | 117 #include <openssl/crypto.h> |
118 #include <openssl/buffer.h> | 118 #include <openssl/buffer.h> |
119 #include <openssl/bio.h> | 119 #include <openssl/bio.h> |
120 #include <openssl/err.h> | 120 #include <openssl/err.h> |
121 | 121 |
122 static unsigned long get_error_values(int inc,int top, | 122 DECLARE_LHASH_OF(ERR_STRING_DATA); |
123 const char **file,int *line, | 123 DECLARE_LHASH_OF(ERR_STATE); |
124 const char **data,int *flags); | 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 |
125 | 623 |
126 #define err_clear_data(p,i) \ | 624 #define err_clear_data(p,i) \ |
127 do { \ | 625 do { \ |
128 if (((p)->err_data[i] != NULL) && \ | 626 if (((p)->err_data[i] != NULL) && \ |
129 (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ | 627 (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \ |
130 { \ | 628 { \ |
131 OPENSSL_free((p)->err_data[i]); \ | 629 OPENSSL_free((p)->err_data[i]); \ |
132 (p)->err_data[i]=NULL; \ | 630 (p)->err_data[i]=NULL; \ |
133 } \ | 631 } \ |
134 (p)->err_data_flags[i]=0; \ | 632 (p)->err_data_flags[i]=0; \ |
135 } while(0) | 633 } while(0) |
136 | 634 |
137 #define err_clear(p,i) \ | 635 #define err_clear(p,i) \ |
138 do { \ | 636 do { \ |
139 (p)->err_flags[i]=0; \ | 637 (p)->err_flags[i]=0; \ |
140 (p)->err_buffer[i]=0; \ | 638 (p)->err_buffer[i]=0; \ |
141 err_clear_data(p,i); \ | 639 err_clear_data(p,i); \ |
142 (p)->err_file[i]=NULL; \ | 640 (p)->err_file[i]=NULL; \ |
143 (p)->err_line[i]= -1; \ | 641 (p)->err_line[i]= -1; \ |
144 } while(0) | 642 } while(0) |
145 | 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 |
146 void ERR_put_error(int lib, int func, int reason, const char *file, | 706 void ERR_put_error(int lib, int func, int reason, const char *file, |
147 int line) | 707 int line) |
148 { | 708 { |
149 ERR_STATE *es; | 709 ERR_STATE *es; |
150 | 710 |
151 #ifdef _OSD_POSIX | 711 #ifdef _OSD_POSIX |
152 /* In the BS2000-OSD POSIX subsystem, the compiler generates | 712 /* In the BS2000-OSD POSIX subsystem, the compiler generates |
153 * path names in the form "*POSIX(/etc/passwd)". | 713 * path names in the form "*POSIX(/etc/passwd)". |
154 * This dirty hack strips them to something sensible. | 714 * This dirty hack strips them to something sensible. |
155 * @@@ We shouldn't modify a const string, though. | 715 * @@@ We shouldn't modify a const string, though. |
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290 } | 850 } |
291 else | 851 else |
292 { | 852 { |
293 *data=es->err_data[i]; | 853 *data=es->err_data[i]; |
294 if (flags != NULL) *flags=es->err_data_flags[i]; | 854 if (flags != NULL) *flags=es->err_data_flags[i]; |
295 } | 855 } |
296 } | 856 } |
297 return ret; | 857 return ret; |
298 } | 858 } |
299 | 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 |
300 void ERR_set_error_data(char *data, int flags) | 1050 void ERR_set_error_data(char *data, int flags) |
301 { | 1051 { |
302 ERR_STATE *es; | 1052 ERR_STATE *es; |
303 int i; | 1053 int i; |
304 | 1054 |
305 es=ERR_get_state(); | 1055 es=ERR_get_state(); |
306 | 1056 |
307 i=es->top; | 1057 i=es->top; |
308 if (i == 0) | 1058 if (i == 0) |
309 i=ERR_NUM_ERRORS-1; | 1059 i=ERR_NUM_ERRORS-1; |
(...skipping 66 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
376 { | 1126 { |
377 err_clear(es,es->top); | 1127 err_clear(es,es->top); |
378 es->top-=1; | 1128 es->top-=1; |
379 if (es->top == -1) es->top=ERR_NUM_ERRORS-1; | 1129 if (es->top == -1) es->top=ERR_NUM_ERRORS-1; |
380 } | 1130 } |
381 | 1131 |
382 if (es->bottom == es->top) return 0; | 1132 if (es->bottom == es->top) return 0; |
383 es->err_flags[es->top]&=~ERR_FLAG_MARK; | 1133 es->err_flags[es->top]&=~ERR_FLAG_MARK; |
384 return 1; | 1134 return 1; |
385 } | 1135 } |
386 | |
387 #ifdef OPENSSL_FIPS | |
388 | |
389 static ERR_STATE *fget_state(void) | |
390 { | |
391 static ERR_STATE fstate; | |
392 return &fstate; | |
393 } | |
394 | |
395 ERR_STATE *(*get_state_func)(void) = fget_state; | |
396 void (*remove_state_func)(unsigned long pid); | |
397 | |
398 ERR_STATE *ERR_get_state(void) | |
399 { | |
400 return get_state_func(); | |
401 } | |
402 | |
403 void int_ERR_set_state_func(ERR_STATE *(*get_func)(void), | |
404 void (*remove_func)(unsigned long pid)) | |
405 { | |
406 get_state_func = get_func; | |
407 remove_state_func = remove_func; | |
408 } | |
409 | |
410 void ERR_remove_state(unsigned long pid) | |
411 { | |
412 if (remove_state_func) | |
413 remove_state_func(pid); | |
414 } | |
415 | |
416 #endif | |
OLD | NEW |