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- /*
- * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
- #ifndef OSSL_INTERNAL_COMMON_H
- # define OSSL_INTERNAL_COMMON_H
- # pragma once
- # include <stdlib.h>
- # include <string.h>
- # include "openssl/configuration.h"
- # include "internal/e_os.h" /* ossl_inline in many files */
- # include "internal/nelem.h"
- #ifdef NDEBUG
- # define ossl_assert(x) ((x) != 0)
- #else
- __owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr,
- const char *file, int line)
- {
- if (!expr)
- OPENSSL_die(exprstr, file, line);
- return expr;
- }
- # define ossl_assert(x) ossl_assert_int((x) != 0, "Assertion failed: "#x, \
- __FILE__, __LINE__)
- #endif
- /* Check if |pre|, which must be a string literal, is a prefix of |str| */
- #define HAS_PREFIX(str, pre) (strncmp(str, pre "", sizeof(pre) - 1) == 0)
- /* As before, and if check succeeds, advance |str| past the prefix |pre| */
- #define CHECK_AND_SKIP_PREFIX(str, pre) \
- (HAS_PREFIX(str, pre) ? ((str) += sizeof(pre) - 1, 1) : 0)
- /* Check if the string literal |p| is a case-insensitive prefix of |s| */
- #define HAS_CASE_PREFIX(s, p) (OPENSSL_strncasecmp(s, p "", sizeof(p) - 1) == 0)
- /* As before, and if check succeeds, advance |str| past the prefix |pre| */
- #define CHECK_AND_SKIP_CASE_PREFIX(str, pre) \
- (HAS_CASE_PREFIX(str, pre) ? ((str) += sizeof(pre) - 1, 1) : 0)
- /* Check if the string literal |suffix| is a case-insensitive suffix of |str| */
- #define HAS_CASE_SUFFIX(str, suffix) (strlen(str) < sizeof(suffix) - 1 ? 0 : \
- OPENSSL_strcasecmp(str + strlen(str) - sizeof(suffix) + 1, suffix "") == 0)
- /*
- * Use this inside a union with the field that needs to be aligned to a
- * reasonable boundary for the platform. The most pessimistic alignment
- * of the listed types will be used by the compiler.
- */
- # define OSSL_UNION_ALIGN \
- double align; \
- ossl_uintmax_t align_int; \
- void *align_ptr
- # define OPENSSL_CONF "openssl.cnf"
- # ifndef OPENSSL_SYS_VMS
- # define X509_CERT_AREA OPENSSLDIR
- # define X509_CERT_DIR OPENSSLDIR "/certs"
- # define X509_CERT_FILE OPENSSLDIR "/cert.pem"
- # define X509_PRIVATE_DIR OPENSSLDIR "/private"
- # define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf"
- # else
- # define X509_CERT_AREA "OSSL$DATAROOT:[000000]"
- # define X509_CERT_DIR "OSSL$DATAROOT:[CERTS]"
- # define X509_CERT_FILE "OSSL$DATAROOT:[000000]cert.pem"
- # define X509_PRIVATE_DIR "OSSL$DATAROOT:[PRIVATE]"
- # define CTLOG_FILE "OSSL$DATAROOT:[000000]ct_log_list.cnf"
- # endif
- #ifndef OPENSSL_NO_WINSTORE
- # define X509_CERT_URI "org.openssl.winstore://"
- #else
- # define X509_CERT_URI ""
- #endif
- # define X509_CERT_URI_EVP "SSL_CERT_URI"
- # define X509_CERT_PATH_EVP "SSL_CERT_PATH"
- # define X509_CERT_DIR_EVP "SSL_CERT_DIR"
- # define X509_CERT_FILE_EVP "SSL_CERT_FILE"
- # define CTLOG_FILE_EVP "CTLOG_FILE"
- /* size of string representations */
- # define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1)
- # define HEX_SIZE(type) (sizeof(type)*2)
- static ossl_inline int ossl_ends_with_dirsep(const char *path)
- {
- if (*path != '\0')
- path += strlen(path) - 1;
- # if defined __VMS
- if (*path == ']' || *path == '>' || *path == ':')
- return 1;
- # elif defined _WIN32
- if (*path == '\\')
- return 1;
- # endif
- return *path == '/';
- }
- static ossl_inline int ossl_is_absolute_path(const char *path)
- {
- # if defined __VMS
- if (strchr(path, ':') != NULL
- || ((path[0] == '[' || path[0] == '<')
- && path[1] != '.' && path[1] != '-'
- && path[1] != ']' && path[1] != '>'))
- return 1;
- # elif defined _WIN32
- if (path[0] == '\\'
- || (path[0] != '\0' && path[1] == ':'))
- return 1;
- # endif
- return path[0] == '/';
- }
- #endif
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