Don't start by attempting to unlink replay caches by guessing

pathnames specific to my uid on MIT Athena systems.  Instead, create a
replay cache object and then destroy it through the library.  Tweak
the rcache-init-error messages to be specific to the instance that
failed.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@23138 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/tests/threads/t_rcache.c b/src/tests/threads/t_rcache.c
index e3416f23c5e9b56752e807297d05be911ab23e4f..f98e430017d1162f1ec3858d20e27d95898b66ff 100644 (file)
--- a/src/tests/threads/t_rcache.c
+++ b/src/tests/threads/t_rcache.c
@@ -79,7 +79,7 @@ static void try_one (struct tinfo *t)
     err = krb5_get_server_rcache(ctx, &piece, &my_rcache);
     if (err) {
        const char *msg = krb5_get_error_message(ctx, err);
-       fprintf(stderr, "%s while initializing replay cache\n", msg);
+       fprintf(stderr, "%s: %s while initializing replay cache\n", prog, msg);
        krb5_free_error_message(ctx, msg);
        exit(1);
     }
@@ -125,15 +125,19 @@ int main (int argc, char *argv[])
     int interval = 20 /* 5 * 60 */;
 
     prog = argv[0];
-    unlink("/var/tmp/rc_hello_7882");
-    unlink("/var/tmp/hello_7882");
     n = 2;
     err = krb5_init_context(&ctx);
     if (err) {
        com_err(prog, err, "initializing context");
        return 1;
     }
-#ifdef INIT_ONCE
+
+    /*
+     * For consistency, run the tests without an existing replay
+     * cache.  Since there isn't a way to ask the library for the
+     * pathname that would be used for the rcache, we create an rcache
+     * object and then destroy it.
+     */
     err = krb5_get_server_rcache(ctx, &piece, &rcache);
     if (err) {
        const char *msg = krb5_get_error_message(ctx, err);
@@ -141,6 +145,25 @@ int main (int argc, char *argv[])
        krb5_free_error_message(ctx, msg);
        return 1;
     }
+    err = krb5_rc_destroy(ctx, rcache);
+    if (err) {
+       const char *msg = krb5_get_error_message(ctx, err);
+       fprintf(stderr, "%s: %s while destroying old replay cache\n",
+               prog, msg);
+       krb5_free_error_message(ctx, msg);
+       return 1;
+    }
+    rcache = NULL;
+
+#ifdef INIT_ONCE
+    err = krb5_get_server_rcache(ctx, &piece, &rcache);
+    if (err) {
+       const char *msg = krb5_get_error_message(ctx, err);
+       fprintf(stderr, "%s: %s while initializing new replay cache\n",
+               prog, msg);
+       krb5_free_error_message(ctx, msg);
+       return 1;
+    }
 #endif
     end_time = time(0) + interval;
 #undef DIRECT