mirror of
https://github.com/openssl/openssl.git
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100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*
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* Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <openssl/err.h>
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#include <openssl/e_os2.h>
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static ossl_inline void err_get_slot(ERR_STATE *es)
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{
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es->top = (es->top + 1) % ERR_NUM_ERRORS;
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if (es->top == es->bottom)
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es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS;
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}
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static ossl_inline void err_clear_data(ERR_STATE *es, size_t i, int deall)
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{
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if (es->err_data_flags[i] & ERR_TXT_MALLOCED) {
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if (deall) {
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OPENSSL_free(es->err_data[i]);
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es->err_data[i] = NULL;
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es->err_data_size[i] = 0;
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es->err_data_flags[i] = 0;
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} else if (es->err_data[i] != NULL) {
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es->err_data[i][0] = '\0';
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es->err_data_flags[i] = ERR_TXT_MALLOCED;
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}
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} else {
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es->err_data[i] = NULL;
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es->err_data_size[i] = 0;
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es->err_data_flags[i] = 0;
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}
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}
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static ossl_inline void err_set_error(ERR_STATE *es, size_t i,
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int lib, int reason)
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{
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es->err_buffer[i] =
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lib == ERR_LIB_SYS
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? (unsigned int)(ERR_SYSTEM_FLAG | reason)
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: ERR_PACK(lib, 0, reason);
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}
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static ossl_inline void err_set_debug(ERR_STATE *es, size_t i,
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const char *file, int line,
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const char *fn)
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{
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/*
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* We dup the file and fn strings because they may be provider owned. If the
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* provider gets unloaded, they may not be valid anymore.
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*/
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OPENSSL_free(es->err_file[i]);
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if (file == NULL || file[0] == '\0')
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es->err_file[i] = NULL;
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else if ((es->err_file[i] = CRYPTO_malloc(strlen(file) + 1,
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NULL, 0)) != NULL)
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/* We cannot use OPENSSL_strdup due to possible recursion */
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strcpy(es->err_file[i], file);
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es->err_line[i] = line;
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OPENSSL_free(es->err_func[i]);
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if (fn == NULL || fn[0] == '\0')
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es->err_func[i] = NULL;
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else if ((es->err_func[i] = CRYPTO_malloc(strlen(fn) + 1,
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NULL, 0)) != NULL)
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strcpy(es->err_func[i], fn);
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}
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static ossl_inline void err_set_data(ERR_STATE *es, size_t i,
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void *data, size_t datasz, int flags)
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{
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if ((es->err_data_flags[i] & ERR_TXT_MALLOCED) != 0)
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OPENSSL_free(es->err_data[i]);
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es->err_data[i] = data;
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es->err_data_size[i] = datasz;
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es->err_data_flags[i] = flags;
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}
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static ossl_inline void err_clear(ERR_STATE *es, size_t i, int deall)
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{
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err_clear_data(es, i, (deall));
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es->err_marks[i] = 0;
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es->err_flags[i] = 0;
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es->err_buffer[i] = 0;
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es->err_line[i] = -1;
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OPENSSL_free(es->err_file[i]);
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es->err_file[i] = NULL;
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OPENSSL_free(es->err_func[i]);
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es->err_func[i] = NULL;
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}
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ERR_STATE *ossl_err_get_state_int(void);
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void ossl_err_string_int(unsigned long e, const char *func,
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char *buf, size_t len);
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