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af16097f | 1 | /* |
fecb3aae | 2 | * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved. |
af16097f DDO |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #ifndef OSSL_INTERNAL_COMMON_H | |
11 | # define OSSL_INTERNAL_COMMON_H | |
12 | # pragma once | |
13 | ||
14 | # include <stdlib.h> | |
15 | # include <string.h> | |
af16097f | 16 | |
fba140c7 | 17 | # include "internal/e_os.h" /* ossl_inline in many files */ |
af16097f DDO |
18 | # include "internal/nelem.h" |
19 | ||
20 | #ifdef NDEBUG | |
21 | # define ossl_assert(x) ((x) != 0) | |
22 | #else | |
23 | __owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr, | |
24 | const char *file, int line) | |
25 | { | |
26 | if (!expr) | |
27 | OPENSSL_die(exprstr, file, line); | |
28 | ||
29 | return expr; | |
30 | } | |
31 | ||
32 | # define ossl_assert(x) ossl_assert_int((x) != 0, "Assertion failed: "#x, \ | |
33 | __FILE__, __LINE__) | |
34 | ||
35 | #endif | |
36 | ||
37 | /* Check if |pre|, which must be a string literal, is a prefix of |str| */ | |
38 | #define HAS_PREFIX(str, pre) (strncmp(str, pre "", sizeof(pre) - 1) == 0) | |
39 | /* As before, and if check succeeds, advance |str| past the prefix |pre| */ | |
40 | #define CHECK_AND_SKIP_PREFIX(str, pre) \ | |
41 | (HAS_PREFIX(str, pre) ? ((str) += sizeof(pre) - 1, 1) : 0) | |
42 | /* Check if the string literal |p| is a case-insensitive prefix of |s| */ | |
fba140c7 | 43 | #define HAS_CASE_PREFIX(s, p) (OPENSSL_strncasecmp(s, p "", sizeof(p) - 1) == 0) |
af16097f DDO |
44 | /* As before, and if check succeeds, advance |str| past the prefix |pre| */ |
45 | #define CHECK_AND_SKIP_CASE_PREFIX(str, pre) \ | |
46 | (HAS_CASE_PREFIX(str, pre) ? ((str) += sizeof(pre) - 1, 1) : 0) | |
47 | /* Check if the string literal |suffix| is a case-insensitive suffix of |str| */ | |
48 | #define HAS_CASE_SUFFIX(str, suffix) (strlen(str) < sizeof(suffix) - 1 ? 0 : \ | |
fba140c7 | 49 | OPENSSL_strcasecmp(str + strlen(str) - sizeof(suffix) + 1, suffix "") == 0) |
af16097f DDO |
50 | |
51 | /* | |
52 | * Use this inside a union with the field that needs to be aligned to a | |
53 | * reasonable boundary for the platform. The most pessimistic alignment | |
54 | * of the listed types will be used by the compiler. | |
55 | */ | |
56 | # define OSSL_UNION_ALIGN \ | |
57 | double align; \ | |
58 | ossl_uintmax_t align_int; \ | |
59 | void *align_ptr | |
60 | ||
61 | # define OPENSSL_CONF "openssl.cnf" | |
62 | ||
63 | # ifndef OPENSSL_SYS_VMS | |
64 | # define X509_CERT_AREA OPENSSLDIR | |
65 | # define X509_CERT_DIR OPENSSLDIR "/certs" | |
66 | # define X509_CERT_FILE OPENSSLDIR "/cert.pem" | |
67 | # define X509_PRIVATE_DIR OPENSSLDIR "/private" | |
68 | # define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf" | |
69 | # else | |
70 | # define X509_CERT_AREA "OSSL$DATAROOT:[000000]" | |
71 | # define X509_CERT_DIR "OSSL$DATAROOT:[CERTS]" | |
72 | # define X509_CERT_FILE "OSSL$DATAROOT:[000000]cert.pem" | |
73 | # define X509_PRIVATE_DIR "OSSL$DATAROOT:[PRIVATE]" | |
74 | # define CTLOG_FILE "OSSL$DATAROOT:[000000]ct_log_list.cnf" | |
75 | # endif | |
76 | ||
77 | # define X509_CERT_DIR_EVP "SSL_CERT_DIR" | |
78 | # define X509_CERT_FILE_EVP "SSL_CERT_FILE" | |
79 | # define CTLOG_FILE_EVP "CTLOG_FILE" | |
80 | ||
81 | /* size of string representations */ | |
82 | # define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1) | |
83 | # define HEX_SIZE(type) (sizeof(type)*2) | |
84 | ||
85 | static ossl_inline int ossl_ends_with_dirsep(const char *path) | |
86 | { | |
87 | if (*path != '\0') | |
88 | path += strlen(path) - 1; | |
89 | # if defined __VMS | |
90 | if (*path == ']' || *path == '>' || *path == ':') | |
91 | return 1; | |
92 | # elif defined _WIN32 | |
93 | if (*path == '\\') | |
94 | return 1; | |
95 | # endif | |
96 | return *path == '/'; | |
97 | } | |
98 | ||
99 | static ossl_inline int ossl_is_absolute_path(const char *path) | |
100 | { | |
101 | # if defined __VMS | |
102 | if (strchr(path, ':') != NULL | |
103 | || ((path[0] == '[' || path[0] == '<') | |
104 | && path[1] != '.' && path[1] != '-' | |
105 | && path[1] != ']' && path[1] != '>')) | |
106 | return 1; | |
107 | # elif defined _WIN32 | |
108 | if (path[0] == '\\' | |
109 | || (path[0] != '\0' && path[1] == ':')) | |
110 | return 1; | |
111 | # endif | |
112 | return path[0] == '/'; | |
113 | } | |
114 | ||
115 | #endif |