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_atalla.c b/src/lib/libcrypto/engine/hw_atalla.c
index 696cfcf156..6151c46902 100644
--- a/src/lib/libcrypto/engine/hw_atalla.c
+++ b/src/lib/libcrypto/engine/hw_atalla.c
@@ -286,8 +286,24 @@ static tfnASI_GetPerformanceStatistics *p_Atalla_GetPerformanceStatistics = NULL
  * atasi.dll on win32). For the purposes of testing, I have created a symbollic
  * link called "libatasi.so" so that we can use native name-translation - a
  * better solution will be needed. */
-static const char def_ATALLA_LIBNAME[] = "atasi";
-static const char *ATALLA_LIBNAME = def_ATALLA_LIBNAME;
+static const char *ATALLA_LIBNAME = NULL;
+static const char *get_ATALLA_LIBNAME(void)
+        {
+                if(ATALLA_LIBNAME)
+                        return ATALLA_LIBNAME;
+                return "atasi";
+        }
+static void free_ATALLA_LIBNAME(void)
+        {
+                if(ATALLA_LIBNAME)
+                        OPENSSL_free((void*)ATALLA_LIBNAME);
+                ATALLA_LIBNAME = NULL;
+        }
+static long set_ATALLA_LIBNAME(const char *name)
+        {
+        free_ATALLA_LIBNAME();
+        return (((ATALLA_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
+        }
 static const char *ATALLA_F1 = "ASI_GetHardwareConfig";
 static const char *ATALLA_F2 = "ASI_RSAPrivateKeyOpFn";
 static const char *ATALLA_F3 = "ASI_GetPerformanceStatistics";
@@ -295,6 +311,7 @@ static const char *ATALLA_F3 = "ASI_GetPerformanceStatistics";
 /* Destructor (complements the "ENGINE_atalla()" constructor) */
 static int atalla_destroy(ENGINE *e)
         {
+        free_ATALLA_LIBNAME();
         /* Unload the atalla error strings so any error state including our
          * functs or reasons won't lead to a segfault (they simply get displayed
          * without corresponding string data because none will be found). */
@@ -324,7 +341,7 @@ static int atalla_init(ENGINE *e)
          * drivers really use - for now a symbollic link needs to be
          * created on the host system from libatasi.so to atasi.so on
          * unix variants. */
-        atalla_dso = DSO_load(NULL, ATALLA_LIBNAME, NULL, 0);
+        atalla_dso = DSO_load(NULL, get_ATALLA_LIBNAME(), NULL, 0);
         if(atalla_dso == NULL)
                 {
                 ATALLAerr(ATALLA_F_ATALLA_INIT,ATALLA_R_NOT_LOADED);
@@ -364,6 +381,7 @@ err:
 
 static int atalla_finish(ENGINE *e)
         {
+        free_ATALLA_LIBNAME();
         if(atalla_dso == NULL)
                 {
                 ATALLAerr(ATALLA_F_ATALLA_FINISH,ATALLA_R_NOT_LOADED);
@@ -397,8 +415,7 @@ static int atalla_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
                         ATALLAerr(ATALLA_F_ATALLA_CTRL,ATALLA_R_ALREADY_LOADED);
                         return 0;
                         }
-                ATALLA_LIBNAME = (const char *)p;
-                return 1;
+                return set_ATALLA_LIBNAME((const char *)p);
         default:
                 break;
                 }