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Move OpenSSL init to initLibUtil

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Part of an effort to make it easier to initialize the right things,
by moving code into the appropriate libraries.
This commit is contained in:
Robert Hensing 2023-02-01 13:34:32 +01:00
parent 0746951be1
commit 6e0b7109ab
4 changed files with 31 additions and 21 deletions
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23
src/libutil/hash.cc
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@ -1,6 +1,7 @@
#include <iostream>
#include <cstring>
#include <openssl/crypto.h>
#include <openssl/md5.h>
#include <openssl/sha.h>
@ -16,6 +17,28 @@
namespace nix {
#if OPENSSL_VERSION_NUMBER < 0x10101000L
/* OpenSSL is not thread-safe by default - it will randomly crash
unless the user supplies a mutex locking function. So let's do
that. */
static std::vector<std::mutex> opensslLocks;
static void opensslLockCallback(int mode, int type, const char * file, int line)
{
if (mode & CRYPTO_LOCK)
opensslLocks[type].lock();
else
opensslLocks[type].unlock();
}
#endif
void initOpenSSL() {
#if OPENSSL_VERSION_NUMBER < 0x10101000L
/* Initialise OpenSSL locking. */
opensslLocks = std::vector<std::mutex>(CRYPTO_num_locks());
CRYPTO_set_locking_callback(opensslLockCallback);
#endif
}
static size_t regularHashSize(HashType type) {
switch (type) {