mirror of
https://github.com/openssl/openssl.git
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116 lines
3.9 KiB
C
116 lines
3.9 KiB
C
/*
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* Copyright 1995-2022 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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#ifndef OSSL_INTERNAL_COMMON_H
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# define OSSL_INTERNAL_COMMON_H
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# pragma once
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# include <stdlib.h>
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# include <string.h>
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# include "internal/e_os.h" /* ossl_inline in many files */
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# include "internal/nelem.h"
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#ifdef NDEBUG
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# define ossl_assert(x) ((x) != 0)
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#else
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__owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr,
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const char *file, int line)
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{
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if (!expr)
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OPENSSL_die(exprstr, file, line);
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return expr;
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}
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# define ossl_assert(x) ossl_assert_int((x) != 0, "Assertion failed: "#x, \
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__FILE__, __LINE__)
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#endif
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/* Check if |pre|, which must be a string literal, is a prefix of |str| */
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#define HAS_PREFIX(str, pre) (strncmp(str, pre "", sizeof(pre) - 1) == 0)
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/* As before, and if check succeeds, advance |str| past the prefix |pre| */
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#define CHECK_AND_SKIP_PREFIX(str, pre) \
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(HAS_PREFIX(str, pre) ? ((str) += sizeof(pre) - 1, 1) : 0)
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/* Check if the string literal |p| is a case-insensitive prefix of |s| */
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#define HAS_CASE_PREFIX(s, p) (OPENSSL_strncasecmp(s, p "", sizeof(p) - 1) == 0)
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/* As before, and if check succeeds, advance |str| past the prefix |pre| */
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#define CHECK_AND_SKIP_CASE_PREFIX(str, pre) \
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(HAS_CASE_PREFIX(str, pre) ? ((str) += sizeof(pre) - 1, 1) : 0)
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/* Check if the string literal |suffix| is a case-insensitive suffix of |str| */
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#define HAS_CASE_SUFFIX(str, suffix) (strlen(str) < sizeof(suffix) - 1 ? 0 : \
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OPENSSL_strcasecmp(str + strlen(str) - sizeof(suffix) + 1, suffix "") == 0)
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/*
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* Use this inside a union with the field that needs to be aligned to a
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* reasonable boundary for the platform. The most pessimistic alignment
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* of the listed types will be used by the compiler.
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*/
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# define OSSL_UNION_ALIGN \
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double align; \
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ossl_uintmax_t align_int; \
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void *align_ptr
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# define OPENSSL_CONF "openssl.cnf"
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# ifndef OPENSSL_SYS_VMS
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# define X509_CERT_AREA OPENSSLDIR
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# define X509_CERT_DIR OPENSSLDIR "/certs"
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# define X509_CERT_FILE OPENSSLDIR "/cert.pem"
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# define X509_PRIVATE_DIR OPENSSLDIR "/private"
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# define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf"
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# else
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# define X509_CERT_AREA "OSSL$DATAROOT:[000000]"
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# define X509_CERT_DIR "OSSL$DATAROOT:[CERTS]"
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# define X509_CERT_FILE "OSSL$DATAROOT:[000000]cert.pem"
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# define X509_PRIVATE_DIR "OSSL$DATAROOT:[PRIVATE]"
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# define CTLOG_FILE "OSSL$DATAROOT:[000000]ct_log_list.cnf"
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# endif
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# define X509_CERT_DIR_EVP "SSL_CERT_DIR"
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# define X509_CERT_FILE_EVP "SSL_CERT_FILE"
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# define CTLOG_FILE_EVP "CTLOG_FILE"
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/* size of string representations */
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# define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1)
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# define HEX_SIZE(type) (sizeof(type)*2)
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static ossl_inline int ossl_ends_with_dirsep(const char *path)
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{
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if (*path != '\0')
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path += strlen(path) - 1;
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# if defined __VMS
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if (*path == ']' || *path == '>' || *path == ':')
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return 1;
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# elif defined _WIN32
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if (*path == '\\')
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return 1;
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# endif
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return *path == '/';
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}
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static ossl_inline int ossl_is_absolute_path(const char *path)
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{
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# if defined __VMS
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if (strchr(path, ':') != NULL
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|| ((path[0] == '[' || path[0] == '<')
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&& path[1] != '.' && path[1] != '-'
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&& path[1] != ']' && path[1] != '>'))
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return 1;
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# elif defined _WIN32
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if (path[0] == '\\'
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|| (path[0] != '\0' && path[1] == ':'))
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return 1;
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# endif
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return path[0] == '/';
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}
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#endif
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