int git_openssl_set_locking(void)
{
#if defined(GIT_THREADS) && OPENSSL_VERSION_NUMBER < 0x10100000L
int num_locks, i;
num_locks = CRYPTO_num_locks();
openssl_locks = git__calloc(num_locks, sizeof(git_mutex));
GITERR_CHECK_ALLOC(openssl_locks);
for (i = 0; i < num_locks; i++) {
if (git_mutex_init(&openssl_locks[i]) != 0) {
giterr_set(GITERR_SSL, "failed to initialize openssl locks");
return -1;
}
}
CRYPTO_set_locking_callback(openssl_locking_function);
git__on_shutdown(shutdown_ssl_locking);
return 0;
#elif OPENSSL_VERSION_NUMBER >= 0x10100000L
return 0;
#else
giterr_set(GITERR_THREAD, "libgit2 was not built with threads");
return -1;
#endif
}
int git_attr_file__new(
git_attr_file **out,
git_attr_file_entry *entry,
git_attr_file_source source)
{
git_attr_file *attrs = git__calloc(1, sizeof(git_attr_file));
GITERR_CHECK_ALLOC(attrs);
if (git_mutex_init(&attrs->lock) < 0) {
giterr_set(GITERR_OS, "Failed to initialize lock");
git__free(attrs);
return -1;
}
if (git_pool_init(&attrs->pool, 1, 0) < 0) {
attr_file_free(attrs);
return -1;
}
GIT_REFCOUNT_INC(attrs);
attrs->entry = entry;
attrs->source = source;
*out = attrs;
return 0;
}
int git_cache_init(git_cache *cache, size_t size, git_cached_obj_freeptr free_ptr)
{
size_t i;
if (size < 8)
size = 8;
/* round up size to closest power of 2 */
size--;
size |= size >> 1;
size |= size >> 2;
size |= size >> 4;
size |= size >> 8;
size |= size >> 16;
cache->size_mask = size;
cache->lru_count = 0;
cache->free_obj = free_ptr;
cache->nodes = git__malloc((size + 1) * sizeof(cache_node));
if (cache->nodes == NULL)
return GIT_ENOMEM;
for (i = 0; i < (size + 1); ++i) {
git_mutex_init(&cache->nodes[i].lock);
cache->nodes[i].ptr = NULL;
}
return GIT_SUCCESS;
}
static void init_once(void)
{
if ((init_error = git_mutex_init(&git__mwindow_mutex)) != 0)
return;
pthread_key_create(&_tls_key, &cb__free_status);
init_error = init_common();
}
static void init_once(void)
{
if ((init_error = git_mutex_init(&git__mwindow_mutex)) != 0)
return;
pthread_key_create(&_tls_key, &cb__free_status);
/* Initialize any other subsystems that have global state */
if ((init_error = git_hash_global_init()) >= 0)
init_error = git_sysdir_global_init();
GIT_MEMORY_BARRIER;
}
static void init_ssl(void)
{
#ifdef GIT_SSL
SSL_load_error_strings();
OpenSSL_add_ssl_algorithms();
/*
* Load SSLv{2,3} and TLSv1 so that we can talk with servers
* which use the SSL hellos, which are often used for
* compatibility. We then disable SSL so we only allow OpenSSL
* to speak TLSv1 to perform the encryption itself.
*/
git__ssl_ctx = SSL_CTX_new(SSLv23_method());
SSL_CTX_set_options(git__ssl_ctx,
SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3
/* Older OpenSSL and MacOS OpenSSL doesn't have this */
# ifdef SSL_OP_NO_COMPRESSION
| SSL_OP_NO_COMPRESSION
# endif
);
SSL_CTX_set_mode(git__ssl_ctx, SSL_MODE_AUTO_RETRY);
SSL_CTX_set_verify(git__ssl_ctx, SSL_VERIFY_NONE, NULL);
if (!SSL_CTX_set_default_verify_paths(git__ssl_ctx)) {
SSL_CTX_free(git__ssl_ctx);
git__ssl_ctx = NULL;
}
# ifdef GIT_THREADS
{
int num_locks, i;
num_locks = CRYPTO_num_locks();
openssl_locks = git__calloc(num_locks, sizeof(git_mutex));
if (openssl_locks == NULL) {
SSL_CTX_free(git__ssl_ctx);
git__ssl_ctx = NULL;
}
for (i = 0; i < num_locks; i++) {
if (git_mutex_init(&openssl_locks[i]) != 0) {
SSL_CTX_free(git__ssl_ctx);
git__ssl_ctx = NULL;
}
}
CRYPTO_set_locking_callback(openssl_locking_function);
}
git__on_shutdown(shutdown_ssl);
# endif
#endif
}
static int synchronized_threads_init(void)
{
int error;
_tls_index = TlsAlloc();
git_threads_init();
if (git_mutex_init(&git__mwindow_mutex))
return -1;
error = init_common();
return error;
}
static int synchronized_threads_init(void)
{
int error;
_tls_index = TlsAlloc();
if (git_mutex_init(&git__mwindow_mutex))
return -1;
/* Initialize any other subsystems that have global state */
if ((error = git_hash_global_init()) >= 0)
error = git_sysdir_global_init();
win32_pthread_initialize();
return error;
}
int git_threads_init(void)
{
int error = 0;
if (_tls_init)
return 0;
if (git_mutex_init(&git__mwindow_mutex))
return -1;
pthread_key_create(&_tls_key, &cb__free_status);
/* Initialize any other subsystems that have global state */
if ((error = git_hash_global_init()) >= 0)
_tls_init = 1;
GIT_MEMORY_BARRIER;
return error;
}
int git_threads_init(void)
{
int error;
if (_tls_init)
return 0;
_tls_index = TlsAlloc();
if (git_mutex_init(&git__mwindow_mutex))
return -1;
/* Initialize any other subsystems that have global state */
if ((error = git_hash_global_init()) >= 0 &&
(error = git_futils_dirs_global_init()) >= 0)
_tls_init = 1;
GIT_MEMORY_BARRIER;
win32_pthread_initialize();
return error;
}
static void init_ssl(void)
{
#ifdef GIT_SSL
SSL_load_error_strings();
OpenSSL_add_ssl_algorithms();
git__ssl_ctx = SSL_CTX_new(SSLv23_method());
SSL_CTX_set_mode(git__ssl_ctx, SSL_MODE_AUTO_RETRY);
SSL_CTX_set_verify(git__ssl_ctx, SSL_VERIFY_NONE, NULL);
if (!SSL_CTX_set_default_verify_paths(git__ssl_ctx)) {
SSL_CTX_free(git__ssl_ctx);
git__ssl_ctx = NULL;
}
# ifdef GIT_THREADS
{
int num_locks, i;
num_locks = CRYPTO_num_locks();
openssl_locks = git__calloc(num_locks, sizeof(git_mutex));
if (openssl_locks == NULL) {
SSL_CTX_free(git__ssl_ctx);
git__ssl_ctx = NULL;
}
for (i = 0; i < num_locks; i++) {
if (git_mutex_init(&openssl_locks[i]) != 0) {
SSL_CTX_free(git__ssl_ctx);
git__ssl_ctx = NULL;
}
}
CRYPTO_set_locking_callback(openssl_locking_function);
}
# endif
#endif
}