From bafa59825e6ba1d4b3772fe66fa0e78ef8dd9cdf Mon Sep 17 00:00:00 2001
From: Norbert Pocs <npocs@redhat.com>
Date: Wed, 5 Oct 2022 15:44:48 +0200
Subject: [PATCH] threads/libcrypto.c: Remove no longer supported openssl
 versions

As openssl 1.1.0, 1.0.2, 1.0.1, 1.0.0 and 0.9.8 are no longer supported
let's remove them.

Signed-off-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
---
 src/threads/libcrypto.c | 85 -----------------------------------------
 1 file changed, 85 deletions(-)

diff --git a/src/threads/libcrypto.c b/src/threads/libcrypto.c
index dac840d3..18951b6a 100644
--- a/src/threads/libcrypto.c
+++ b/src/threads/libcrypto.c
@@ -24,8 +24,6 @@
 #include "libssh/threads.h"
 #include <libssh/callbacks.h>
 
-#if (OPENSSL_VERSION_NUMBER >= 0x10100000)
-
 int crypto_thread_init(struct ssh_threads_callbacks_struct *cb)
 {
     (void) cb;
@@ -36,86 +34,3 @@ void crypto_thread_finalize(void)
 {
     return;
 }
-
-#else
-
-static struct ssh_threads_callbacks_struct *user_callbacks = NULL;
-
-static void **libcrypto_mutexes;
-
-void libcrypto_lock_callback(int mode, int i, const char *file, int line);
-
-void libcrypto_lock_callback(int mode, int i, const char *file, int line)
-{
-    (void)file;
-    (void)line;
-
-    if (mode & CRYPTO_LOCK) {
-        user_callbacks->mutex_lock(&libcrypto_mutexes[i]);
-    } else {
-        user_callbacks->mutex_unlock(&libcrypto_mutexes[i]);
-    }
-}
-
-static void libcrypto_THREADID_callback(CRYPTO_THREADID *id)
-{
-    unsigned long thread_id = (*user_callbacks->thread_id)();
-
-    CRYPTO_THREADID_set_numeric(id, thread_id);
-}
-
-int crypto_thread_init(struct ssh_threads_callbacks_struct *cb)
-{
-    int n = CRYPTO_num_locks();
-    int cmp;
-    int i;
-
-    if (cb == NULL) {
-        return SSH_OK;
-    }
-
-    if (user_callbacks != NULL) {
-        crypto_thread_finalize();
-    }
-
-    user_callbacks = cb;
-
-    cmp = strcmp(user_callbacks->type, "threads_noop");
-    if (cmp == 0) {
-        return SSH_OK;
-    }
-
-    libcrypto_mutexes = calloc(n, sizeof(void *));
-    if (libcrypto_mutexes == NULL) {
-        return SSH_ERROR;
-    }
-
-    for (i = 0; i < n; ++i){
-        user_callbacks->mutex_init(&libcrypto_mutexes[i]);
-    }
-
-    CRYPTO_THREADID_set_callback(libcrypto_THREADID_callback);
-    CRYPTO_set_locking_callback(libcrypto_lock_callback);
-
-    return SSH_OK;
-}
-
-void crypto_thread_finalize(void)
-{
-    int n = CRYPTO_num_locks();
-    int i;
-
-    if (libcrypto_mutexes == NULL) {
-        return;
-    }
-
-    CRYPTO_THREADID_set_callback(NULL);
-    CRYPTO_set_locking_callback(NULL);
-
-    for (i = 0; i < n; ++i) {
-            user_callbacks->mutex_destroy(&libcrypto_mutexes[i]);
-    }
-    SAFE_FREE(libcrypto_mutexes);
-}
-
-#endif