Make the new conf implementatoin bug-compatible with the old one.
[openssl.git] / crypto / conf / conf_lib.c
index 4c8ca9e..6a650f1 100644 (file)
@@ -299,27 +299,46 @@ STACK_OF(CONF_VALUE) *NCONF_get_section(CONF *conf,char *section)
                return NULL;
                }
 
+       if (section == NULL)
+               {
+               CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_SECTION);
+               return NULL;
+               }
+
        return _CONF_get_section_values(conf, section);
        }
 
 char *NCONF_get_string(CONF *conf,char *group,char *name)
        {
+       char *s = _CONF_get_string(conf, group, name);
+
+        /* Since we may get a value from an environment variable even
+           if conf is NULL, let's check the value first */
+        if (s) return s;
+
        if (conf == NULL)
                {
-               CONFerr(CONF_F_NCONF_GET_STRING,CONF_R_NO_CONF);
+               CONFerr(CONF_F_NCONF_GET_STRING,
+                        CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
                return NULL;
                }
 
-       return _CONF_get_string(conf, group, name);
        }
 
 long NCONF_get_number(CONF *conf,char *group,char *name)
        {
+#if 0 /* As with _CONF_get_string(), we rely on the possibility of finding
+         an environment variable with a suitable name.  Unfortunately, there's
+         no way with the current API to see if we found one or not...
+         The meaning of this is that if a number is not found anywhere, it
+         will always default to 0. */
        if (conf == NULL)
                {
-               CONFerr(CONF_F_NCONF_GET_NUMBER,CONF_R_NO_CONF);
+               CONFerr(CONF_F_NCONF_GET_NUMBER,
+                        CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
                return 0;
                }
+#endif
        
        return _CONF_get_number(conf, group, name);
        }