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Diffstat (limited to 'include/internal/common.h')
| -rw-r--r-- | include/internal/common.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/include/internal/common.h b/include/internal/common.h new file mode 100644 index 0000000000..44224f3ba8 --- /dev/null +++ b/include/internal/common.h @@ -0,0 +1,115 @@ +/* + * Copyright 1995-2021 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 "../../e_os.h" /* To get strncasecmp() on Windows */ + +# 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) (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 : \ + 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 + +# 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 |