1 files changed, 23 insertions, 6 deletions

diff --git a/src/lib/libcrypto/engine/hw_4758_cca.c b/src/lib/libcrypto/engine/hw_4758_cca.c
index 0ca2f920dc..f404b1a3b8 100644
--- a/src/lib/libcrypto/engine/hw_4758_cca.c
+++ b/src/lib/libcrypto/engine/hw_4758_cca.c
@@ -124,8 +124,24 @@ static F_RANDOMNUMBERGENERATE randomNumberGenerate;
 
 /* static variables */
 /*------------------*/
-static const char def_CCA4758_LIB_NAME[] = CCA_LIB_NAME;
-static const char *CCA4758_LIB_NAME = def_CCA4758_LIB_NAME;
+static const char *CCA4758_LIB_NAME = NULL;
+static const char *get_CCA4758_LIB_NAME(void)
+        {
+        if(CCA4758_LIB_NAME)
+                return CCA4758_LIB_NAME;
+        return CCA_LIB_NAME;
+        }
+static void free_CCA4758_LIB_NAME(void)
+        {
+        if(CCA4758_LIB_NAME)
+                OPENSSL_free((void*)CCA4758_LIB_NAME);
+        CCA4758_LIB_NAME = NULL;
+        }
+static long set_CCA4758_LIB_NAME(const char *name)
+        {
+        free_CCA4758_LIB_NAME();
+        return (((CCA4758_LIB_NAME = BUF_strdup(name)) != NULL) ? 1 : 0);
+        }
 #ifndef OPENSSL_NO_RSA
 static const char* n_keyRecordRead = CSNDKRR;
 static const char* n_digitalSignatureGenerate = CSNDDSG;
@@ -232,6 +248,7 @@ void ENGINE_load_4758cca(void)
 static int ibm_4758_cca_destroy(ENGINE *e)
         {
         ERR_unload_CCA4758_strings();
+        free_CCA4758_LIB_NAME();
         return 1;
         }
 
@@ -243,7 +260,7 @@ static int ibm_4758_cca_init(ENGINE *e)
                 goto err;
                 }
 
-        dso = DSO_load(NULL, CCA4758_LIB_NAME , NULL, 0);
+        dso = DSO_load(NULL, get_CCA4758_LIB_NAME(), NULL, 0);
         if(!dso)
                 {
                 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
@@ -299,7 +316,8 @@ err:
 
 static int ibm_4758_cca_finish(ENGINE *e)
         {
-        if(dso)
+        free_CCA4758_LIB_NAME();
+        if(!dso)
                 {
                 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
                                 CCA4758_R_NOT_LOADED);
@@ -340,8 +358,7 @@ static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
                                         CCA4758_R_ALREADY_LOADED);
                         return 0;
                         }
-                CCA4758_LIB_NAME = (const char *)p;
-                return 1;
+                return set_CCA4758_LIB_NAME((const char *)p);
         default:
                 break;
                 }