OPENSSL_cleanup: cleanup secure memory

[openssl.git] / crypto / init.c

diff --git a/crypto/init.c b/crypto/init.c
index a10b48d435fe1feb3368ae778d8fd40268e0fd39..4a88e9cc02bc251401d6f5c657761a52fe6ce886 100644 (file)
--- a/crypto/init.c
+++ b/crypto/init.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -27,15 +27,6 @@
 #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);
@@ -72,8 +63,6 @@ struct ossl_init_stop_st {
     OPENSSL_INIT_STOP *next;
 };
 
-static CRYPTO_RWLOCK *glock_lock = NULL;
-
 static OPENSSL_INIT_STOP *stop_handlers = NULL;
 static CRYPTO_RWLOCK *init_lock = NULL;
 
@@ -95,7 +84,6 @@ DEFINE_RUN_ONCE_STATIC(ossl_init_base)
 #ifndef OPENSSL_SYS_UEFI
     atexit(OPENSSL_cleanup);
 #endif
-    /* Do not change this to glock's! */
     if ((init_lock = CRYPTO_THREAD_lock_new()) == NULL)
         return 0;
     OPENSSL_cpuid_setup();
@@ -514,15 +502,7 @@ void OPENSSL_cleanup(void)
     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;
 }
@@ -707,56 +687,7 @@ int OPENSSL_atexit(void (*handler)(void))
     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
@@ -770,22 +701,14 @@ static void unlock_all(void)
 
 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