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tools build: Switch to new openssl API for test-libcrypto

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Switch to new EVP API for detecting libcrypto, as Fedora 36 returns an
error when it encounters the deprecated function MD5_Init() and the others.

The error would be interpreted as missing libcrypto, while in reality it is
not.

Fixes: 6e8ccb4f62 ("tools/bpf: properly account for libbfd variations")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: llvm@lists.linux.dev
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <quentin@isovalent.com>
Cc: Song Liu <song@kernel.org>
Cc: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20220719170555.2576993-4-roberto.sassu@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Roberto Sassu 2022-07-19 19:05:55 +02:00 committed by Arnaldo Carvalho de Melo
parent 73f8ec5992
commit 5b245985a6
1 changed files with 11 additions and 4 deletions
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15
tools/build/feature/test-libcrypto.c
View File

@ -1,16 +1,23 @@
// SPDX-License-Identifier: GPL-2.0
#include <openssl/evp.h>
#include <openssl/sha.h>
#include <openssl/md5.h>
int main(void)
{
MD5_CTX context;
EVP_MD_CTX *mdctx;
unsigned char md[MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH];
unsigned char dat[] = "12345";
unsigned int digest_len;
MD5_Init(&context);
MD5_Update(&context, &dat[0], sizeof(dat));
MD5_Final(&md[0], &context);
mdctx = EVP_MD_CTX_new();
if (!mdctx)
return 0;
EVP_DigestInit_ex(mdctx, EVP_md5(), NULL);
EVP_DigestUpdate(mdctx, &dat[0], sizeof(dat));
EVP_DigestFinal_ex(mdctx, &md[0], &digest_len);
EVP_MD_CTX_free(mdctx);
SHA1(&dat[0], sizeof(dat), &md[0]);