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Remove commented functions in crypto module.

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OpenSSL never uses these callbacks anymore so the code is disabled.

Fixes #25097.

Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
This commit is contained in:
Fernando Fernandez Mancera 2018-02-01 16:42:30 +01:00
parent c2757c3774
commit 44a9ed7df2
1 changed files with 0 additions and 50 deletions
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50
src/common/crypto.c
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@ -3273,56 +3273,6 @@ memwipe(void *mem, uint8_t byte, size_t sz)
memset(mem, byte, sz); memset(mem, byte, sz);
} }
#if 0
/* This code is disabled, because OpenSSL never actually uses these callbacks.
*/
/** OpenSSL helper type: wraps a Tor mutex so that OpenSSL can use it
* as a lock. */
struct CRYPTO_dynlock_value {
tor_mutex_t *lock;
};
/** OpenSSL callback function to allocate a lock: see CRYPTO_set_dynlock_*
* documentation in OpenSSL's docs for more info. */
static struct CRYPTO_dynlock_value *
openssl_dynlock_create_cb_(const char *file, int line)
{
struct CRYPTO_dynlock_value *v;
(void)file;
(void)line;
v = tor_malloc(sizeof(struct CRYPTO_dynlock_value));
v->lock = tor_mutex_new();
return v;
}
/** OpenSSL callback function to acquire or release a lock: see
* CRYPTO_set_dynlock_* documentation in OpenSSL's docs for more info. */
static void
openssl_dynlock_lock_cb_(int mode, struct CRYPTO_dynlock_value *v,
const char *file, int line)
{
(void)file;
(void)line;
if (mode & CRYPTO_LOCK)
tor_mutex_acquire(v->lock);
else
tor_mutex_release(v->lock);
}
/** OpenSSL callback function to free a lock: see CRYPTO_set_dynlock_*
* documentation in OpenSSL's docs for more info. */
static void
openssl_dynlock_destroy_cb_(struct CRYPTO_dynlock_value *v,
const char *file, int line)
{
(void)file;
(void)line;
tor_mutex_free(v->lock);
tor_free(v);
}
#endif /* 0 */
/** @{ */ /** @{ */
/** Uninitialize the crypto library. Return 0 on success. Does not detect /** Uninitialize the crypto library. Return 0 on success. Does not detect
* failure. * failure.