mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
dd2b22d88c
Build time defaults aren't great for windows, in which various macros
(like OPENSSLDIR) are selected at build time, but may be selected
differently at install time. Add an internal defaults api to return the
build time constants on unix systems, but instead query registry keys
for the form:
HLKM\SOFTWARE\OpenSSL-{version}-{wininstallcontext}
Such that each built version of openssl may maintain its own set of
registry keys to identify these locations, and be set administratiely as
appropriate at install or run time
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24450)
237 lines
9.1 KiB
C
237 lines
9.1 KiB
C
/*
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* Copyright 1995-2024 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 "openssl/configuration.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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# if defined(__GNUC__) || defined(__clang__)
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# define ossl_likely(x) __builtin_expect(!!(x), 1)
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# define ossl_unlikely(x) __builtin_expect(!!(x), 0)
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# else
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# define ossl_likely(x) x
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# define ossl_unlikely(x) x
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# endif
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# if defined(__GNUC__) || defined(__clang__)
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# define ALIGN32 __attribute((aligned(32)))
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# define ALIGN64 __attribute((aligned(64)))
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# elif defined(_MSC_VER)
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# define ALIGN32 __declspec(align(32))
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# define ALIGN64 __declspec(align(64))
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# else
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# define ALIGN32
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# define ALIGN64
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# endif
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# ifdef NDEBUG
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# define ossl_assert(x) ossl_likely((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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# define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
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l|=(((unsigned long)(*((c)++)))<< 8), \
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l|=(((unsigned long)(*((c)++)))<<16), \
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l|=(((unsigned long)(*((c)++)))<<24))
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/* NOTE - c is not incremented as per c2l */
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# define c2ln(c,l1,l2,n) { \
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c+=n; \
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l1=l2=0; \
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switch (n) { \
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case 8: l2 =((unsigned long)(*(--(c))))<<24; \
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case 7: l2|=((unsigned long)(*(--(c))))<<16; \
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case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
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case 5: l2|=((unsigned long)(*(--(c)))); \
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case 4: l1 =((unsigned long)(*(--(c))))<<24; \
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case 3: l1|=((unsigned long)(*(--(c))))<<16; \
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case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
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case 1: l1|=((unsigned long)(*(--(c)))); \
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} \
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}
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# define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24)&0xff))
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# define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
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l|=((unsigned long)(*((c)++)))<<16, \
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l|=((unsigned long)(*((c)++)))<< 8, \
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l|=((unsigned long)(*((c)++))))
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# define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \
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l|=((uint64_t)(*((c)++)))<<48, \
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l|=((uint64_t)(*((c)++)))<<40, \
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l|=((uint64_t)(*((c)++)))<<32, \
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l|=((uint64_t)(*((c)++)))<<24, \
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l|=((uint64_t)(*((c)++)))<<16, \
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l|=((uint64_t)(*((c)++)))<< 8, \
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l|=((uint64_t)(*((c)++))))
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# define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff))
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# define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
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*((c)++)=(unsigned char)(((l)>>48)&0xff), \
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*((c)++)=(unsigned char)(((l)>>40)&0xff), \
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*((c)++)=(unsigned char)(((l)>>32)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff))
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/* NOTE - c is not incremented as per l2c */
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# define l2cn(l1,l2,c,n) { \
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c+=n; \
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switch (n) { \
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case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
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case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
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case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
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case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
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case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
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case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
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case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
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case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
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} \
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}
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# define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \
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(((unsigned int)((c)[1])) )),(c)+=2)
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# define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \
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(c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2)
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# define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \
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(((unsigned long)((c)[1]))<< 8)| \
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(((unsigned long)((c)[2])) )),(c)+=3)
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# define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \
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(c)[1]=(unsigned char)(((l)>> 8)&0xff), \
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(c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3)
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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 char ossl_determine_dirsep(const char *path)
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{
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if (ossl_ends_with_dirsep(path))
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return '\0';
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# if defined(_WIN32)
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return '\\';
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# elif defined(__VMS)
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return ':';
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# else
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return '/';
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# endif
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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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const char *ossl_get_openssldir(void);
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const char *ossl_get_enginesdir(void);
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const char *ossl_get_modulesdir(void);
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const char *ossl_get_wininstallcontext(void);
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#endif
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