merge openssl-0.9.7-beta3, tested on vax by miod@

1 files changed, 22 insertions, 5 deletions

diff --git a/src/lib/libcrypto/engine/hw_cswift.c b/src/lib/libcrypto/engine/hw_cswift.c
index da732abce0..f5c897bdbb 100644
--- a/src/lib/libcrypto/engine/hw_cswift.c
+++ b/src/lib/libcrypto/engine/hw_cswift.c
@@ -280,8 +280,24 @@ t_swSimpleRequest *p_CSwift_SimpleRequest = NULL;
 t_swReleaseAccContext *p_CSwift_ReleaseAccContext = NULL;
 
 /* Used in the DSO operations. */
-static const char def_CSWIFT_LIBNAME[] = "swift";
-static const char *CSWIFT_LIBNAME = def_CSWIFT_LIBNAME;
+static const char *CSWIFT_LIBNAME = NULL;
+static const char *get_CSWIFT_LIBNAME(void)
+        {
+        if(CSWIFT_LIBNAME)
+                return CSWIFT_LIBNAME;
+        return "swift";
+        }
+static void free_CSWIFT_LIBNAME(void)
+        {
+        if(CSWIFT_LIBNAME)
+                OPENSSL_free((void*)CSWIFT_LIBNAME);
+        CSWIFT_LIBNAME = NULL;
+        }
+static long set_CSWIFT_LIBNAME(const char *name)
+        {
+        free_CSWIFT_LIBNAME();
+        return (((CSWIFT_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
+        }
 static const char *CSWIFT_F1 = "swAcquireAccContext";
 static const char *CSWIFT_F2 = "swAttachKeyParam";
 static const char *CSWIFT_F3 = "swSimpleRequest";
@@ -313,6 +329,7 @@ static void release_context(SW_CONTEXT_HANDLE hac)
 /* Destructor (complements the "ENGINE_cswift()" constructor) */
 static int cswift_destroy(ENGINE *e)
         {
+        free_CSWIFT_LIBNAME();
         ERR_unload_CSWIFT_strings();
         return 1;
         }
@@ -332,7 +349,7 @@ static int cswift_init(ENGINE *e)
                 goto err;
                 }
         /* Attempt to load libswift.so/swift.dll/whatever. */
-        cswift_dso = DSO_load(NULL, CSWIFT_LIBNAME, NULL, 0);
+        cswift_dso = DSO_load(NULL, get_CSWIFT_LIBNAME(), NULL, 0);
         if(cswift_dso == NULL)
                 {
                 CSWIFTerr(CSWIFT_F_CSWIFT_INIT,CSWIFT_R_NOT_LOADED);
@@ -377,6 +394,7 @@ err:
 
 static int cswift_finish(ENGINE *e)
         {
+        free_CSWIFT_LIBNAME();
         if(cswift_dso == NULL)
                 {
                 CSWIFTerr(CSWIFT_F_CSWIFT_FINISH,CSWIFT_R_NOT_LOADED);
@@ -411,8 +429,7 @@ static int cswift_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
                         CSWIFTerr(CSWIFT_F_CSWIFT_CTRL,CSWIFT_R_ALREADY_LOADED);
                         return 0;
                         }
-                CSWIFT_LIBNAME = (const char *)p;
-                return 1;
+                return set_CSWIFT_LIBNAME((const char *)p);
         default:
                 break;
                 }