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lib/libcrypto/err/err.c
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tb
err.c: fix previous: 8 spaces -> tab
10 июн 2025, 11:53
10 июн 2025, 11:53
efcd822
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/* $OpenBSD: err.c,v 1.78 2025/06/10 08:53:37 tb Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* ==================================================================== * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@openssl.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include <pthread.h> #include <stdarg.h> #include <stdio.h> #include <string.h> #include <openssl/opensslconf.h> #include <openssl/bio.h> #include <openssl/buffer.h> #include <openssl/crypto.h> #include <openssl/err.h> #include <openssl/lhash.h> DECLARE_LHASH_OF(ERR_STRING_DATA); DECLARE_LHASH_OF(ERR_STATE); typedef struct err_state_st { pthread_t tid; int err_flags[ERR_NUM_ERRORS]; unsigned long err_buffer[ERR_NUM_ERRORS]; char *err_data[ERR_NUM_ERRORS]; int err_data_flags[ERR_NUM_ERRORS]; const char *err_file[ERR_NUM_ERRORS]; int err_line[ERR_NUM_ERRORS]; int top, bottom; } ERR_STATE; #ifndef OPENSSL_NO_ERR static const ERR_STRING_DATA ERR_str_libraries[] = { {ERR_PACK(ERR_LIB_NONE, 0, 0), "unknown library"}, {ERR_PACK(ERR_LIB_SYS, 0, 0), "system library"}, {ERR_PACK(ERR_LIB_BN, 0, 0), "bignum routines"}, {ERR_PACK(ERR_LIB_RSA, 0, 0), "rsa routines"}, {ERR_PACK(ERR_LIB_DH, 0, 0), "Diffie-Hellman routines"}, {ERR_PACK(ERR_LIB_EVP, 0, 0), "digital envelope routines"}, {ERR_PACK(ERR_LIB_BUF, 0, 0), "memory buffer routines"}, {ERR_PACK(ERR_LIB_OBJ, 0, 0), "object identifier routines"}, {ERR_PACK(ERR_LIB_PEM, 0, 0), "PEM routines"}, {ERR_PACK(ERR_LIB_DSA, 0, 0), "dsa routines"}, {ERR_PACK(ERR_LIB_X509, 0, 0), "x509 certificate routines"}, {ERR_PACK(ERR_LIB_ASN1, 0, 0), "asn1 encoding routines"}, {ERR_PACK(ERR_LIB_CONF, 0, 0), "configuration file routines"}, {ERR_PACK(ERR_LIB_CRYPTO, 0, 0), "common libcrypto routines"}, {ERR_PACK(ERR_LIB_EC, 0, 0), "elliptic curve routines"}, {ERR_PACK(ERR_LIB_SSL, 0, 0), "SSL routines"}, {ERR_PACK(ERR_LIB_BIO, 0, 0), "BIO routines"}, {ERR_PACK(ERR_LIB_PKCS7, 0, 0), "PKCS7 routines"}, {ERR_PACK(ERR_LIB_X509V3, 0, 0), "X509 V3 routines"}, {ERR_PACK(ERR_LIB_PKCS12, 0, 0), "PKCS12 routines"}, {ERR_PACK(ERR_LIB_RAND, 0, 0), "random number generator"}, {ERR_PACK(ERR_LIB_DSO, 0, 0), "DSO support routines"}, {ERR_PACK(ERR_LIB_TS, 0, 0), "time stamp routines"}, {ERR_PACK(ERR_LIB_ENGINE, 0, 0), "engine routines"}, {ERR_PACK(ERR_LIB_OCSP, 0, 0), "OCSP routines"}, {ERR_PACK(ERR_LIB_FIPS, 0, 0), "FIPS routines"}, {ERR_PACK(ERR_LIB_CMS, 0, 0), "CMS routines"}, {ERR_PACK(ERR_LIB_HMAC, 0, 0), "HMAC routines"}, {ERR_PACK(ERR_LIB_GOST, 0, 0), "GOST routines"}, {0, NULL}, }; static const ERR_STRING_DATA ERR_str_functs[] = { {ERR_PACK(ERR_LIB_SYS, SYS_F_FOPEN, 0), "fopen"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_CONNECT, 0), "connect"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_GETSERVBYNAME, 0), "getservbyname"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_SOCKET, 0), "socket"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_IOCTLSOCKET, 0), "ioctl"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_BIND, 0), "bind"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_LISTEN, 0), "listen"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_ACCEPT, 0), "accept"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_OPENDIR, 0), "opendir"}, {ERR_PACK(ERR_LIB_SYS, SYS_F_FREAD, 0), "fread"}, {0, NULL}, }; static const ERR_STRING_DATA ERR_str_reasons[] = { {ERR_R_SYS_LIB, "system lib"}, {ERR_R_BN_LIB, "BN lib"}, {ERR_R_RSA_LIB, "RSA lib"}, {ERR_R_DH_LIB, "DH lib"}, {ERR_R_EVP_LIB, "EVP lib"}, {ERR_R_BUF_LIB, "BUF lib"}, {ERR_R_OBJ_LIB, "OBJ lib"}, {ERR_R_PEM_LIB, "PEM lib"}, {ERR_R_DSA_LIB, "DSA lib"}, {ERR_R_X509_LIB, "X509 lib"}, {ERR_R_ASN1_LIB, "ASN1 lib"}, {ERR_R_CONF_LIB, "CONF lib"}, {ERR_R_CRYPTO_LIB, "CRYPTO lib"}, {ERR_R_EC_LIB, "EC lib"}, {ERR_R_SSL_LIB, "SSL lib"}, {ERR_R_BIO_LIB, "BIO lib"}, {ERR_R_PKCS7_LIB, "PKCS7 lib"}, {ERR_R_X509V3_LIB, "X509V3 lib"}, {ERR_R_PKCS12_LIB, "PKCS12 lib"}, {ERR_R_RAND_LIB, "RAND lib"}, {ERR_R_DSO_LIB, "DSO lib"}, {ERR_R_ENGINE_LIB, "ENGINE lib"}, {ERR_R_OCSP_LIB, "OCSP lib"}, {ERR_R_TS_LIB, "TS lib"}, {ERR_R_NESTED_ASN1_ERROR, "nested asn1 error"}, {ERR_R_BAD_ASN1_OBJECT_HEADER, "bad asn1 object header"}, {ERR_R_BAD_GET_ASN1_OBJECT_CALL, "bad get asn1 object call"}, {ERR_R_EXPECTING_AN_ASN1_SEQUENCE, "expecting an asn1 sequence"}, {ERR_R_ASN1_LENGTH_MISMATCH, "asn1 length mismatch"}, {ERR_R_MISSING_ASN1_EOS, "missing asn1 eos"}, {ERR_R_FATAL, "fatal"}, {ERR_R_MALLOC_FAILURE, "malloc failure"}, {ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED, "called a function you should not call"}, {ERR_R_PASSED_NULL_PARAMETER, "passed a null parameter"}, {ERR_R_INTERNAL_ERROR, "internal error"}, {ERR_R_DISABLED, "called a function that was disabled at compile-time"}, {ERR_R_INIT_FAIL, "initialization failure"}, {0, NULL}, }; #endif static void ERR_STATE_free(ERR_STATE *s); /* * The internal state used by "err_defaults" - as such, the setting, reading, * creating, and deleting of this data should only be permitted via the * "err_defaults" functions. This way, a linked module can completely defer all * ERR state operation (together with requisite locking) to the implementations * and state in the loading application. */ static LHASH_OF(ERR_STRING_DATA) *err_error_hash = NULL; static LHASH_OF(ERR_STATE) *err_thread_hash = NULL; static int err_thread_hash_references = 0; static int err_library_number = ERR_LIB_USER; static pthread_t err_init_thread; /* * These are the callbacks provided to "lh_new()" when creating the LHASH tables * internal to the "err_defaults" implementation. */ static unsigned long err_string_data_hash(const ERR_STRING_DATA *a) { unsigned long ret, l; l = a->error; ret = l^ERR_GET_LIB(l)^ERR_GET_FUNC(l); return (ret^ret % 19*13); } static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA) static int err_string_data_cmp(const ERR_STRING_DATA *a, const ERR_STRING_DATA *b) { return (int)(a->error - b->error); } static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA) static LHASH_OF(ERR_STRING_DATA) * err_get(int create) { LHASH_OF(ERR_STRING_DATA) *ret = NULL; CRYPTO_w_lock(CRYPTO_LOCK_ERR); if (!err_error_hash && create) err_error_hash = lh_ERR_STRING_DATA_new(); if (err_error_hash) ret = err_error_hash; CRYPTO_w_unlock(CRYPTO_LOCK_ERR); return ret; } static void err_del(void) { CRYPTO_w_lock(CRYPTO_LOCK_ERR); if (err_error_hash) { lh_ERR_STRING_DATA_free(err_error_hash); err_error_hash = NULL; } CRYPTO_w_unlock(CRYPTO_LOCK_ERR); } static const ERR_STRING_DATA * err_get_item(const ERR_STRING_DATA *d) { ERR_STRING_DATA *p; LHASH_OF(ERR_STRING_DATA) *hash; hash = err_get(0); if (!hash) return NULL; CRYPTO_r_lock(CRYPTO_LOCK_ERR); p = lh_ERR_STRING_DATA_retrieve(hash, d); CRYPTO_r_unlock(CRYPTO_LOCK_ERR); return p; } static const ERR_STRING_DATA * err_set_item(const ERR_STRING_DATA *d) { const ERR_STRING_DATA *p; LHASH_OF(ERR_STRING_DATA) *hash; hash = err_get(1); if (!hash) return NULL; CRYPTO_w_lock(CRYPTO_LOCK_ERR); p = lh_ERR_STRING_DATA_insert(hash, (void *)d); CRYPTO_w_unlock(CRYPTO_LOCK_ERR); return p; } static const ERR_STRING_DATA * err_del_item(const ERR_STRING_DATA *d) { ERR_STRING_DATA *p; LHASH_OF(ERR_STRING_DATA) *hash; hash = err_get(0); if (!hash) return NULL; CRYPTO_w_lock(CRYPTO_LOCK_ERR); p = lh_ERR_STRING_DATA_delete(hash, d); CRYPTO_w_unlock(CRYPTO_LOCK_ERR); return p; } static unsigned long err_state_hash(const ERR_STATE *a) { return 13 * (unsigned long)a->tid; } static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE) static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b) { return pthread_equal(a->tid, b->tid) == 0; } static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE) static LHASH_OF(ERR_STATE) * err_thread_get(int create) { LHASH_OF(ERR_STATE) *ret = NULL; CRYPTO_w_lock(CRYPTO_LOCK_ERR); if (!err_thread_hash && create) err_thread_hash = lh_ERR_STATE_new(); if (err_thread_hash) { err_thread_hash_references++; ret = err_thread_hash; } CRYPTO_w_unlock(CRYPTO_LOCK_ERR); return ret; } static void err_thread_release(LHASH_OF(ERR_STATE) **hash) { int i; if (hash == NULL || *hash == NULL) return; i = CRYPTO_add(&err_thread_hash_references, -1, CRYPTO_LOCK_ERR); if (i > 0) return; *hash = NULL; } static ERR_STATE * err_thread_get_item(const ERR_STATE *d) { ERR_STATE *p; LHASH_OF(ERR_STATE) *hash; hash = err_thread_get(0); if (!hash) return NULL; CRYPTO_r_lock(CRYPTO_LOCK_ERR); p = lh_ERR_STATE_retrieve(hash, d); CRYPTO_r_unlock(CRYPTO_LOCK_ERR); err_thread_release(&hash); return p; } static ERR_STATE * err_thread_set_item(ERR_STATE *d) { ERR_STATE *p; LHASH_OF(ERR_STATE) *hash; hash = err_thread_get(1); if (!hash) return NULL; CRYPTO_w_lock(CRYPTO_LOCK_ERR); p = lh_ERR_STATE_insert(hash, d); CRYPTO_w_unlock(CRYPTO_LOCK_ERR); err_thread_release(&hash); return p; } static void err_thread_del_item(const ERR_STATE *d) { ERR_STATE *p; LHASH_OF(ERR_STATE) *hash; hash = err_thread_get(0); if (!hash) return; CRYPTO_w_lock(CRYPTO_LOCK_ERR); p = lh_ERR_STATE_delete(hash, d); /* make sure we don't leak memory */ if (err_thread_hash_references == 1 && err_thread_hash && lh_ERR_STATE_num_items(err_thread_hash) == 0) { lh_ERR_STATE_free(err_thread_hash); err_thread_hash = NULL; } CRYPTO_w_unlock(CRYPTO_LOCK_ERR); err_thread_release(&hash); if (p) ERR_STATE_free(p); } static int err_get_next_lib(void) { int ret; CRYPTO_w_lock(CRYPTO_LOCK_ERR); ret = err_library_number++; CRYPTO_w_unlock(CRYPTO_LOCK_ERR); return ret; } #ifndef OPENSSL_NO_ERR #define NUM_SYS_STR_REASONS 127 #define LEN_SYS_STR_REASON 32 static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1]; /* * SYS_str_reasons is filled with copies of strerror() results at * initialization. 'errno' values up to 127 should cover all usual errors, * others will be displayed numerically by ERR_error_string. It is crucial that * we have something for each reason code that occurs in ERR_str_reasons, or * bogus reason strings will be returned for SYSerror(), which always gets an * errno value and never one of those 'standard' reason codes. */ static void err_build_SYS_str_reasons(void) { /* malloc cannot be used here, use static storage instead */ static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON]; const char *errstr; int save_errno; int i; /* strerror(3) will set errno to EINVAL when i is an unknown errno. */ save_errno = errno; for (i = 0; i < NUM_SYS_STR_REASONS; i++) { ERR_STRING_DATA *str = &SYS_str_reasons[i]; str->error = i + 1; str->string = "unknown"; if ((errstr = strerror((int)str->error)) != NULL) { strlcpy(strerror_tab[i], errstr, sizeof(strerror_tab[i])); str->string = strerror_tab[i]; } } errno = save_errno; SYS_str_reasons[NUM_SYS_STR_REASONS].error = 0; SYS_str_reasons[NUM_SYS_STR_REASONS].string = NULL; } #endif static void err_clear_data(ERR_STATE *s, int i) { if ((s->err_data_flags[i] & ERR_TXT_MALLOCED) != 0) free(s->err_data[i]); s->err_data[i] = NULL; s->err_data_flags[i] = 0; } static void err_clear(ERR_STATE *s, int i) { s->err_flags[i] = 0; s->err_buffer[i] = 0; s->err_file[i] = NULL; s->err_line[i] = -1; err_clear_data(s, i); } static void ERR_STATE_free(ERR_STATE *s) { int i; if (s == NULL) return; for (i = 0; i < ERR_NUM_ERRORS; i++) err_clear_data(s, i); free(s); } static ERR_STATE * ERR_get_state(void) { static ERR_STATE fallback; ERR_STATE *ret, tmp, *tmpp = NULL; int i; tmp.tid = pthread_self(); ret = err_thread_get_item(&tmp); /* ret == the error state, if NULL, make a new one */ if (ret == NULL) { ret = malloc(sizeof(ERR_STATE)); if (ret == NULL) return (&fallback); ret->tid = pthread_self(); ret->top = 0; ret->bottom = 0; for (i = 0; i < ERR_NUM_ERRORS; i++) { ret->err_data[i] = NULL; ret->err_data_flags[i] = 0; } tmpp = err_thread_set_item(ret); /* To check if insertion failed, do a get. */ if (err_thread_get_item(ret) != ret) { ERR_STATE_free(ret); /* could not insert it */ return (&fallback); } /* * If a race occurred in this function and we came second, * tmpp is the first one that we just replaced. */ if (tmpp) ERR_STATE_free(tmpp); } return ret; } static void err_load_strings(int lib, ERR_STRING_DATA *str) { while (str->error != 0) { if (lib) str->error |= ERR_PACK(lib, 0, 0); err_set_item(str); str++; } } static void err_load_const_strings(const ERR_STRING_DATA *str) { while (str->error != 0) { err_set_item(str); str++; } } static unsigned long get_error_values(int inc, int top, const char **file, int *line, const char **data, int *flags) { int i = 0; ERR_STATE *es; unsigned long ret; es = ERR_get_state(); if (inc && top) { if (file) *file = ""; if (line) *line = 0; if (data) *data = ""; if (flags) *flags = 0; return ERR_R_INTERNAL_ERROR; } if (es->bottom == es->top) return 0; if (top) i = es->top; /* last error */ else i = (es->bottom + 1) % ERR_NUM_ERRORS; /* first error */ ret = es->err_buffer[i]; if (inc) { es->bottom = i; es->err_buffer[i] = 0; } if ((file != NULL) && (line != NULL)) { if (es->err_file[i] == NULL) { *file = "NA"; if (line != NULL) *line = 0; } else { *file = es->err_file[i]; if (line != NULL) *line = es->err_line[i]; } } if (data == NULL) { if (inc) { err_clear_data(es, i); } } else { if (es->err_data[i] == NULL) { *data = ""; if (flags != NULL) *flags = 0; } else { *data = es->err_data[i]; if (flags != NULL) *flags = es->err_data_flags[i]; } } return ret; } void ERR_load_ERR_strings_internal(void) { err_init_thread = pthread_self(); #ifndef OPENSSL_NO_ERR err_load_const_strings(ERR_str_libraries); err_load_const_strings(ERR_str_reasons); err_load_const_strings(ERR_str_functs); err_build_SYS_str_reasons(); err_load_strings(ERR_LIB_SYS, SYS_str_reasons); #endif } void ERR_load_ERR_strings(void) { static pthread_once_t once = PTHREAD_ONCE_INIT; if (pthread_equal(pthread_self(), err_init_thread)) return; /* don't recurse */ /* Prayer and clean living lets you ignore errors, OpenSSL style */ (void) OPENSSL_init_crypto(0, NULL); (void) pthread_once(&once, ERR_load_ERR_strings_internal); } LCRYPTO_ALIAS(ERR_load_ERR_strings); void ERR_load_strings(int lib, ERR_STRING_DATA *str) { ERR_load_ERR_strings(); err_load_strings(lib, str); } LCRYPTO_ALIAS(ERR_load_strings); void ERR_load_const_strings(const ERR_STRING_DATA *str) { ERR_load_ERR_strings(); err_load_const_strings(str); } void ERR_unload_strings(int lib, ERR_STRING_DATA *str) { /* Prayer and clean living lets you ignore errors, OpenSSL style */ (void) OPENSSL_init_crypto(0, NULL); while (str->error) { if (lib) str->error |= ERR_PACK(lib, 0, 0); err_del_item(str); str++; } } LCRYPTO_ALIAS(ERR_unload_strings); void ERR_free_strings(void) { /* Prayer and clean living lets you ignore errors, OpenSSL style */ (void) OPENSSL_init_crypto(0, NULL); err_del(); } LCRYPTO_ALIAS(ERR_free_strings); int ERR_get_next_error_library(void) { return err_get_next_lib(); } LCRYPTO_ALIAS(ERR_get_next_error_library); void ERR_remove_thread_state(const CRYPTO_THREADID *id) { ERR_STATE tmp; OPENSSL_assert(id == NULL); tmp.tid = pthread_self(); /* * err_thread_del_item automatically destroys the LHASH if the number of * items reaches zero. */ err_thread_del_item(&tmp); } LCRYPTO_ALIAS(ERR_remove_thread_state); void ERR_remove_state(unsigned long pid) { ERR_remove_thread_state(NULL); } LCRYPTO_ALIAS(ERR_remove_state); int ERR_set_mark(void) { ERR_STATE *es; es = ERR_get_state(); if (es->bottom == es->top) return 0; es->err_flags[es->top] |= ERR_FLAG_MARK; return 1; } LCRYPTO_ALIAS(ERR_set_mark); int ERR_pop_to_mark(void) { ERR_STATE *es; es = ERR_get_state(); while (es->bottom != es->top && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) { err_clear(es, es->top); es->top -= 1; if (es->top == -1) es->top = ERR_NUM_ERRORS - 1; } if (es->bottom == es->top) return 0; es->err_flags[es->top]&=~ERR_FLAG_MARK; return 1; } LCRYPTO_ALIAS(ERR_pop_to_mark); void ERR_clear_error(void) { int i; ERR_STATE *es; es = ERR_get_state(); for (i = 0; i < ERR_NUM_ERRORS; i++) err_clear(es, i); es->top = es->bottom = 0; } LCRYPTO_ALIAS(ERR_clear_error); void err_clear_last_constant_time(int clear) { ERR_STATE *es; int top; es = ERR_get_state(); if (es == NULL) return; top = es->top; es->err_flags[top] &= ~(0 - clear); es->err_buffer[top] &= ~(0UL - clear); es->err_file[top] = (const char *)((uintptr_t)es->err_file[top] & ~((uintptr_t)0 - clear)); es->err_line[top] |= 0 - clear; es->top = (top + ERR_NUM_ERRORS - clear) % ERR_NUM_ERRORS; } void ERR_put_error(int lib, int func, int reason, const char *file, int line) { ERR_STATE *es; int save_errno = errno; es = ERR_get_state(); es->top = (es->top + 1) % ERR_NUM_ERRORS; if (es->top == es->bottom) es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS; es->err_flags[es->top] = 0; es->err_buffer[es->top] = ERR_PACK(lib, func, reason); es->err_file[es->top] = file; es->err_line[es->top] = line; err_clear_data(es, es->top); errno = save_errno; } LCRYPTO_ALIAS(ERR_put_error); void ERR_asprintf_error_data(char * format, ...) { char *errbuf = NULL; va_list ap; int r; va_start(ap, format); r = vasprintf(&errbuf, format, ap); va_end(ap); if (r == -1) ERR_set_error_data("malloc failed", ERR_TXT_STRING); else ERR_set_error_data(errbuf, ERR_TXT_MALLOCED|ERR_TXT_STRING); } LCRYPTO_ALIAS(ERR_asprintf_error_data); void ERR_set_error_data(char *data, int flags) { ERR_STATE *es; int i; es = ERR_get_state(); i = es->top; if (i == 0) i = ERR_NUM_ERRORS - 1; err_clear_data(es, i); es->err_data[i] = data; es->err_data_flags[i] = flags; } LCRYPTO_ALIAS(ERR_set_error_data); unsigned long ERR_get_error(void) { return (get_error_values(1, 0, NULL, NULL, NULL, NULL)); } LCRYPTO_ALIAS(ERR_get_error); unsigned long ERR_get_error_line(const char **file, int *line) { return (get_error_values(1, 0, file, line, NULL, NULL)); } LCRYPTO_ALIAS(ERR_get_error_line); unsigned long ERR_get_error_line_data(const char **file, int *line, const char **data, int *flags) { return (get_error_values(1, 0, file, line, data, flags)); } LCRYPTO_ALIAS(ERR_get_error_line_data); unsigned long ERR_peek_error(void) { return (get_error_values(0, 0, NULL, NULL, NULL, NULL)); } LCRYPTO_ALIAS(ERR_peek_error); unsigned long ERR_peek_error_line(const char **file, int *line) { return (get_error_values(0, 0, file, line, NULL, NULL)); } LCRYPTO_ALIAS(ERR_peek_error_line); unsigned long ERR_peek_error_line_data(const char **file, int *line, const char **data, int *flags) { return (get_error_values(0, 0, file, line, data, flags)); } LCRYPTO_ALIAS(ERR_peek_error_line_data); unsigned long ERR_peek_last_error(void) { return (get_error_values(0, 1, NULL, NULL, NULL, NULL)); } LCRYPTO_ALIAS(ERR_peek_last_error); unsigned long ERR_peek_last_error_line(const char **file, int *line) { return (get_error_values(0, 1, file, line, NULL, NULL)); } LCRYPTO_ALIAS(ERR_peek_last_error_line); unsigned long ERR_peek_last_error_line_data(const char **file, int *line, const char **data, int *flags) { return (get_error_values(0, 1, file, line, data, flags)); } LCRYPTO_ALIAS(ERR_peek_last_error_line_data); const char * ERR_lib_error_string(unsigned long e) { const ERR_STRING_DATA *p; ERR_STRING_DATA d; unsigned long l; if (!OPENSSL_init_crypto(0, NULL)) return NULL; l = ERR_GET_LIB(e); d.error = ERR_PACK(l, 0, 0); p = err_get_item(&d); return ((p == NULL) ? NULL : p->string); } LCRYPTO_ALIAS(ERR_lib_error_string); const char * ERR_func_error_string(unsigned long e) { const ERR_STRING_DATA *p; ERR_STRING_DATA d; unsigned long l, f; l = ERR_GET_LIB(e); f = ERR_GET_FUNC(e); d.error = ERR_PACK(l, f, 0); p = err_get_item(&d); return ((p == NULL) ? NULL : p->string); } LCRYPTO_ALIAS(ERR_func_error_string); const char * ERR_reason_error_string(unsigned long e) { const ERR_STRING_DATA *p = NULL; ERR_STRING_DATA d; unsigned long l, r; l = ERR_GET_LIB(e); r = ERR_GET_REASON(e); d.error = ERR_PACK(l, 0, r); p = err_get_item(&d); if (!p) { d.error = ERR_PACK(0, 0, r); p = err_get_item(&d); } return ((p == NULL) ? NULL : p->string); } LCRYPTO_ALIAS(ERR_reason_error_string); void ERR_error_string_n(unsigned long e, char *buf, size_t len) { char lsbuf[30], fsbuf[30], rsbuf[30]; const char *ls, *fs, *rs; int l, f, r, ret; l = ERR_GET_LIB(e); f = ERR_GET_FUNC(e); r = ERR_GET_REASON(e); ls = ERR_lib_error_string(e); fs = ERR_func_error_string(e); rs = ERR_reason_error_string(e); if (ls == NULL) { (void) snprintf(lsbuf, sizeof(lsbuf), "lib(%d)", l); ls = lsbuf; } if (fs == NULL) { (void) snprintf(fsbuf, sizeof(fsbuf), "func(%d)", f); fs = fsbuf; } if (rs == NULL) { (void) snprintf(rsbuf, sizeof(rsbuf), "reason(%d)", r); rs = rsbuf; } ret = snprintf(buf, len, "error:%08lX:%s:%s:%s", e, ls, fs, rs); if (ret == -1) return; /* can't happen, and can't do better if it does */ if (ret >= len) { /* * output may be truncated; make sure we always have 5 * colon-separated fields, i.e. 4 colons ... */ #define NUM_COLONS 4 if (len > NUM_COLONS) /* ... if possible */ { int i; char *s = buf; for (i = 0; i < NUM_COLONS; i++) { char *colon = strchr(s, ':'); if (colon == NULL || colon > &buf[len - 1] - NUM_COLONS + i) { /* set colon no. i at last possible position * (buf[len-1] is the terminating 0)*/ colon = &buf[len - 1] - NUM_COLONS + i; *colon = ':'; } s = colon + 1; } } } } LCRYPTO_ALIAS(ERR_error_string_n); /* * ERR_error_string_n should be used instead for ret != NULL * as ERR_error_string cannot know how large the buffer is. * * BAD for multi-threading: uses a local buffer if ret == NULL. */ char * ERR_error_string(unsigned long e, char *ret) { static char buf[256]; if (ret == NULL) ret = buf; ERR_error_string_n(e, ret, 256); return ret; } LCRYPTO_ALIAS(ERR_error_string);