#include <stdlib.h>
#include <assert.h>
#include <internal/thread_once.h>
+#include <internal/dso.h>
static int stopped = 0;
{
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_base: Setting up stop handlers\n");
+#endif
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ ossl_malloc_setup_failures();
#endif
/*
* We use a dummy thread local key here. We use the destructor to detect
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;
+
+#if !defined(OPENSSL_NO_DSO) && !defined(OPENSSL_USE_NODELETE)
+# ifdef DSO_WIN32
+ {
+ HMODULE handle = NULL;
+ BOOL ret;
+
+ /* We don't use the DSO route for WIN32 because there is a better way */
+ ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
+ | GET_MODULE_HANDLE_EX_FLAG_PIN,
+ (void *)&base_inited, &handle);
+
+ return (ret == TRUE) ? 1 : 0;
+ }
+# else
+ /*
+ * Deliberately leak a reference to ourselves. This will force the library
+ * to remain loaded until the atexit() handler is run a process exit.
+ */
+ {
+ DSO *dso = NULL;
+
+ dso = DSO_dsobyaddr(&base_inited, DSO_FLAG_NO_UNLOAD_ON_FREE);
+ DSO_free(dso);
+ }
+# endif
+#endif
+
return 1;
}
return 0;
}
- if (!RUN_ONCE(&base, ossl_init_base))
+ if (!base_inited && !RUN_ONCE(&base, ossl_init_base))
return 0;
if ((opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS)
{
OPENSSL_INIT_STOP *newhand;
+#if !defined(OPENSSL_NO_DSO) && !defined(OPENSSL_USE_NODELETE)
+ {
+ union {
+ void *sym;
+ void (*func)(void);
+ } handlersym;
+
+ handlersym.func = handler;
+# ifdef DSO_WIN32
+ {
+ HMODULE handle = NULL;
+ BOOL ret;
+
+ /*
+ * We don't use the DSO route for WIN32 because there is a better
+ * way
+ */
+ ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
+ | GET_MODULE_HANDLE_EX_FLAG_PIN,
+ handlersym.sym, &handle);
+
+ if (!ret)
+ return 0;
+ }
+# else
+ /*
+ * Deliberately leak a reference to the handler. This will force the
+ * library/code containing the handler to remain loaded until we run the
+ * atexit handler. If -znodelete has been used then this is
+ * unneccessary.
+ */
+ {
+ DSO *dso = NULL;
+
+ dso = DSO_dsobyaddr(handlersym.sym, DSO_FLAG_NO_UNLOAD_ON_FREE);
+ DSO_free(dso);
+ }
+# endif
+ }
+#endif
+
newhand = OPENSSL_malloc(sizeof(*newhand));
if (newhand == NULL)
return 0;