X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fdso%2Fdso_lib.c;h=52816dfb9d9812b618677acfe856f86346e1a8d3;hb=6e290a25c2cbdc26119c0866c20d9292f9e64dd8;hp=6bb9f5f18431a9f4ed98d229d40fa86294c9bed9;hpb=d2e9e320186f0917cc940f46bdf1a7e4120da9b0;p=oweals%2Fopenssl.git

diff --git a/crypto/dso/dso_lib.c b/crypto/dso/dso_lib.c
index 6bb9f5f184..52816dfb9d 100644
--- a/crypto/dso/dso_lib.c
+++ b/crypto/dso/dso_lib.c
@@ -39,6 +39,7 @@ static DSO *DSO_new_method(DSO_METHOD *meth)
     ret->references = 1;
     ret->lock = CRYPTO_THREAD_lock_new();
     if (ret->lock == NULL) {
+        DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
         sk_void_free(ret->meth_data);
         OPENSSL_free(ret);
         return NULL;
@@ -72,9 +73,11 @@ int DSO_free(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)) {
@@ -303,6 +306,33 @@ char *DSO_convert_filename(DSO *dso, const char *filename)
     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);
+
+    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;