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https://github.com/openssl/openssl.git
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5c39a55d04
Change all calls to getenv() inside libcrypto to use a new wrapper function that use secure_getenv() if available and an issetugid then getenv if not. CPU processor override flags are unchanged. Extra checks for OPENSSL_issetugid() have been removed in favour of the safe getenv. Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/7047)
32 lines
728 B
C
32 lines
728 B
C
/*
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* Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (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 _GNU_SOURCE
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# define _GNU_SOURCE
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#endif
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#include <stdlib.h>
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#include "internal/cryptlib.h"
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char *ossl_safe_getenv(const char *name)
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{
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#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
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# if __GLIBC_PREREQ(2, 17)
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# define SECURE_GETENV
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return secure_getenv(name);
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# endif
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#endif
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#ifndef SECURE_GETENV
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if (OPENSSL_issetugid())
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return NULL;
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return getenv(name);
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#endif
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}
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