/* * Copyright 1995-2023 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 # include # include "openssl/configuration.h" # include "internal/e_os.h" /* ossl_inline in many files */ # include "internal/nelem.h" # if defined(__GNUC__) || defined(__clang__) # define likely(x) __builtin_expect(!!(x), 1) # define unlikely(x) __builtin_expect(!!(x), 0) # else # define likely(x) x # define unlikely(x) x # endif # if defined(__GNUC__) || defined(__clang__) # define ALIGN32 __attribute((aligned(32))) # define ALIGN64 __attribute((aligned(64))) # elif defined(_MSC_VER) # define ALIGN32 __declspec(align(32)) # define ALIGN64 __declspec(align(64)) # else # define ALIGN32 # define ALIGN64 # endif # 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 # 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) # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ l|=(((unsigned long)(*((c)++)))<< 8), \ l|=(((unsigned long)(*((c)++)))<<16), \ l|=(((unsigned long)(*((c)++)))<<24)) /* NOTE - c is not incremented as per c2l */ # define c2ln(c,l1,l2,n) { \ c+=n; \ l1=l2=0; \ switch (n) { \ case 8: l2 =((unsigned long)(*(--(c))))<<24; \ case 7: l2|=((unsigned long)(*(--(c))))<<16; \ case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ case 5: l2|=((unsigned long)(*(--(c)))); \ case 4: l1 =((unsigned long)(*(--(c))))<<24; \ case 3: l1|=((unsigned long)(*(--(c))))<<16; \ case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ case 1: l1|=((unsigned long)(*(--(c)))); \ } \ } # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>>24)&0xff)) # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ l|=((unsigned long)(*((c)++)))<<16, \ l|=((unsigned long)(*((c)++)))<< 8, \ l|=((unsigned long)(*((c)++)))) # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \ l|=((uint64_t)(*((c)++)))<<48, \ l|=((uint64_t)(*((c)++)))<<40, \ l|=((uint64_t)(*((c)++)))<<32, \ l|=((uint64_t)(*((c)++)))<<24, \ l|=((uint64_t)(*((c)++)))<<16, \ l|=((uint64_t)(*((c)++)))<< 8, \ l|=((uint64_t)(*((c)++)))) # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ *((c)++)=(unsigned char)(((l)>>48)&0xff), \ *((c)++)=(unsigned char)(((l)>>40)&0xff), \ *((c)++)=(unsigned char)(((l)>>32)&0xff), \ *((c)++)=(unsigned char)(((l)>>24)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) /* NOTE - c is not incremented as per l2c */ # define l2cn(l1,l2,c,n) { \ c+=n; \ switch (n) { \ case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ } \ } # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \ (((unsigned int)((c)[1])) )),(c)+=2) # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \ (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2) # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \ (((unsigned long)((c)[1]))<< 8)| \ (((unsigned long)((c)[2])) )),(c)+=3) # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \ (c)[1]=(unsigned char)(((l)>> 8)&0xff), \ (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3) 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