#include <stdlib.h>
#include <assert.h>
#include "internal/thread_once.h"
+#include "internal/dso_conf.h"
#include "internal/dso.h"
#include "internal/store.h"
-
-typedef struct global_lock_st {
- CRYPTO_RWLOCK *lock;
- const char *name;
- struct global_lock_st *next;
-} GLOBAL_LOCK;
-
-static GLOBAL_LOCK *global_locks;
-
static int stopped = 0;
static void ossl_init_thread_stop(struct thread_local_inits_st *locals);
OPENSSL_INIT_STOP *next;
};
-static CRYPTO_RWLOCK *glock_lock = NULL;
-
static OPENSSL_INIT_STOP *stop_handlers = NULL;
static CRYPTO_RWLOCK *init_lock = NULL;
* We use a dummy thread local key here. We use the destructor to detect
* when the thread is going to stop (where that feature is available)
*/
- CRYPTO_THREAD_init_local(&threadstopkey, ossl_init_thread_stop_wrap);
+ if (!CRYPTO_THREAD_init_local(&threadstopkey, ossl_init_thread_stop_wrap))
+ return 0;
+ if ((init_lock = CRYPTO_THREAD_lock_new()) == NULL)
+ goto err;
#ifndef OPENSSL_SYS_UEFI
- atexit(OPENSSL_cleanup);
+ if (atexit(OPENSSL_cleanup) != 0)
+ goto err;
#endif
- /* Do not change this to glock's! */
- if ((init_lock = CRYPTO_THREAD_lock_new()) == NULL)
- return 0;
OPENSSL_cpuid_setup();
- /*
- * BIG FAT WARNING!
- * Everything needed to be initialized in this function before threads
- * come along MUST happen before base_inited is set to 1, or we will
- * see race conditions.
- */
base_inited = 1;
+ return 1;
+err:
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_base not ok!\n");
+#endif
+ CRYPTO_THREAD_lock_free(init_lock);
+ init_lock = NULL;
+
+ CRYPTO_THREAD_cleanup_local(&threadstopkey);
+ return 0;
+}
+
+static CRYPTO_ONCE load_crypto_nodelete = CRYPTO_ONCE_STATIC_INIT;
+DEFINE_RUN_ONCE_STATIC(ossl_init_load_crypto_nodelete)
+{
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_load_crypto_nodelete()\n");
+#endif
#if !defined(OPENSSL_NO_DSO) && !defined(OPENSSL_USE_NODELETE)
# ifdef DSO_WIN32
{
| GET_MODULE_HANDLE_EX_FLAG_PIN,
(void *)&base_inited, &handle);
+# ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: obtained DSO reference? %s\n",
+ (ret == TRUE ? "No!" : "Yes."));
+# endif
return (ret == TRUE) ? 1 : 0;
}
# else
* to remain loaded until the atexit() handler is run at process exit.
*/
{
- DSO *dso = NULL;
+ DSO *dso;
+ void *err;
+
+ if (!err_shelve_state(&err))
+ return 0;
- ERR_set_mark();
dso = DSO_dsobyaddr(&base_inited, DSO_FLAG_NO_UNLOAD_ON_FREE);
+# ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: obtained DSO reference? %s\n",
+ (dso == NULL ? "No!" : "Yes."));
+ /*
+ * In case of No!, it is uncertain our exit()-handlers can still be
+ * called. After dlclose() the whole library might have been unloaded
+ * already.
+ */
+# endif
DSO_free(dso);
- ERR_pop_to_mark();
+ err_unshelve_state(err);
}
# endif
#endif
if (locals->async) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: "
- "ASYNC_cleanup_thread()\n");
+ "async_delete_thread_state()\n");
#endif
- ASYNC_cleanup_thread();
+ async_delete_thread_state();
}
if (locals->err_state) {
err_delete_thread_state();
}
+ if (locals->rand) {
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: "
+ "drbg_delete_thread_state()\n");
+#endif
+ drbg_delete_thread_state();
+ }
+
OPENSSL_free(locals);
}
locals->err_state = 1;
}
+ if (opts & OPENSSL_INIT_THREAD_RAND) {
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
+ "marking thread for rand\n");
+#endif
+ locals->rand = 1;
+ }
+
return 1;
}
obj_cleanup_int();
err_cleanup();
- /* Free list of global locks. */
- while (global_locks != NULL) {
- GLOBAL_LOCK *next = global_locks->next;
-
- free(global_locks);
- global_locks = next;
- }
- CRYPTO_THREAD_lock_free(glock_lock);
- glock_lock = NULL;
+ CRYPTO_secure_malloc_done();
base_inited = 0;
}
*/
int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
{
- static int stoperrset = 0;
-
if (stopped) {
- if (!stoperrset) {
- /*
- * We only ever set this once to avoid getting into an infinite
- * loop where the error system keeps trying to init and fails so
- * sets an error etc
- */
- stoperrset = 1;
+ if (!(opts & OPENSSL_INIT_BASE_ONLY))
CRYPTOerr(CRYPTO_F_OPENSSL_INIT_CRYPTO, ERR_R_INIT_FAIL);
- }
return 0;
}
- if (!base_inited && !RUN_ONCE(&base, ossl_init_base))
+ if (!RUN_ONCE(&base, ossl_init_base))
+ return 0;
+
+ if (!(opts & OPENSSL_INIT_BASE_ONLY)
+ && !RUN_ONCE(&load_crypto_nodelete,
+ ossl_init_load_crypto_nodelete))
return 0;
if ((opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS)
ERR_set_mark();
dso = DSO_dsobyaddr(handlersym.sym, DSO_FLAG_NO_UNLOAD_ON_FREE);
+# ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr,
+ "OPENSSL_INIT: OPENSSL_atexit: obtained DSO reference? %s\n",
+ (dso == NULL ? "No!" : "Yes."));
+ /* See same code above in ossl_init_base() for an explanation. */
+# endif
DSO_free(dso);
ERR_pop_to_mark();
}
}
#endif
- newhand = OPENSSL_malloc(sizeof(*newhand));
- if (newhand == NULL)
+ if ((newhand = OPENSSL_malloc(sizeof(*newhand))) == NULL) {
+ CRYPTOerr(CRYPTO_F_OPENSSL_ATEXIT, ERR_R_MALLOC_FAILURE);
return 0;
+ }
newhand->handler = handler;
newhand->next = stop_handlers;
return 1;
}
-#ifndef OPENSSL_SYS_UNIX
-CRYPTO_RWLOCK *CRYPTO_THREAD_glock_new(const char *name)
-{
- return CRYPTO_THREAD_lock_new();
-}
-
-#else
-DEFINE_RUN_ONCE_STATIC(glock_init)
-{
- glock_lock = CRYPTO_THREAD_lock_new();
- return glock_lock != NULL;
-}
-
-/*
- * Create a new global lock, return NULL on error.
- */
-CRYPTO_RWLOCK *CRYPTO_THREAD_glock_new(const char *name)
-{
- static CRYPTO_ONCE glock_once = CRYPTO_ONCE_STATIC_INIT;
- GLOBAL_LOCK *newlock;
-
- if (glock_lock == NULL && !RUN_ONCE(&glock_once, glock_init))
- return NULL;
- if ((newlock = malloc(sizeof(*newlock))) == NULL)
- return NULL;
- if ((newlock->lock = CRYPTO_THREAD_lock_new()) == NULL) {
- free(newlock);
- return NULL;
- }
- newlock->name = name;
- CRYPTO_THREAD_write_lock(glock_lock);
- newlock->next = global_locks;
- global_locks = newlock;
- CRYPTO_THREAD_unlock(glock_lock);
- return newlock->lock;
-}
-
-/*
- * Unlock all global locks.
- */
-static void unlock_all(void)
-{
- GLOBAL_LOCK *lp;
-
- CRYPTO_THREAD_write_lock(glock_lock);
- for (lp = global_locks; lp != NULL; lp = lp->next)
- CRYPTO_THREAD_unlock(lp->lock);
- CRYPTO_THREAD_unlock(glock_lock);
-}
-
+#ifdef OPENSSL_SYS_UNIX
/*
* The following three functions are for OpenSSL developers. This is
* where we set/reset state across fork (called via pthread_atfork when
void OPENSSL_fork_prepare(void)
{
- GLOBAL_LOCK *lp;
-
- CRYPTO_THREAD_write_lock(glock_lock);
- for (lp = global_locks; lp != NULL; lp = lp->next)
- CRYPTO_THREAD_write_lock(lp->lock);
- CRYPTO_THREAD_unlock(glock_lock);
}
void OPENSSL_fork_parent(void)
{
- unlock_all();
}
void OPENSSL_fork_child(void)
{
- unlock_all();
rand_fork();
}
#endif