/*
- * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2000-2017 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
*/
#include "dso_locl.h"
+#include "e_os.h"
static DSO_METHOD *default_DSO_meth = NULL;
if (dso == NULL)
return (1);
- if (CRYPTO_atomic_add(&dso->references, -1, &i, dso->lock) <= 0)
+ if (CRYPTO_DOWN_REF(&dso->references, &i, dso->lock) <= 0)
return 0;
REF_PRINT_COUNT("DSO", dso);
return 1;
REF_ASSERT_ISNT(i < 0);
- if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
- DSOerr(DSO_F_DSO_FREE, DSO_R_UNLOAD_FAILED);
- return 0;
+ if ((dso->flags & DSO_FLAG_NO_UNLOAD_ON_FREE) == 0) {
+ if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
+ DSOerr(DSO_F_DSO_FREE, DSO_R_UNLOAD_FAILED);
+ return 0;
+ }
}
if ((dso->meth->finish != NULL) && !dso->meth->finish(dso)) {
return 0;
}
- if (CRYPTO_atomic_add(&dso->references, 1, &i, dso->lock) <= 0)
+ if (CRYPTO_UP_REF(&dso->references, &i, dso->lock) <= 0)
return 0;
REF_PRINT_COUNT("DSO", r);
return (result);
}
+int DSO_pathbyaddr(void *addr, char *path, int sz)
+{
+ DSO_METHOD *meth = default_DSO_meth;
+ if (meth == NULL)
+ meth = DSO_METHOD_openssl();
+ if (meth->pathbyaddr == NULL) {
+ DSOerr(DSO_F_DSO_PATHBYADDR, DSO_R_UNSUPPORTED);
+ return -1;
+ }
+ return (*meth->pathbyaddr) (addr, path, sz);
+}
+
+DSO *DSO_dsobyaddr(void *addr, int flags)
+{
+ DSO *ret = NULL;
+ char *filename = NULL;
+ int len = DSO_pathbyaddr(addr, NULL, 0);
+
+ if (len < 0)
+ return NULL;
+
+ filename = OPENSSL_malloc(len);
+ if (filename != NULL
+ && DSO_pathbyaddr(addr, filename, len) == len)
+ ret = DSO_load(NULL, filename, NULL, flags);
+
+ OPENSSL_free(filename);
+ return ret;
+}
+
void *DSO_global_lookup(const char *name)
{
DSO_METHOD *meth = default_DSO_meth;