1 files changed, 83 insertions, 0 deletions
diff --git a/src/tests/gssapi/reload.c b/src/tests/gssapi/reload.c
new file mode 100644
index 0000000..4fe3565
--- /dev/null
+++ b/src/tests/gssapi/reload.c
@@ -0,0 +1,83 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* tests/gssapi/reload.c - test loading libgssapi_krb5 twice */
+/*
+ * Copyright (C) 2020 by the Massachusetts Institute of Technology.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the
+ *   distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This is a regression test for ticket #8614.  It ensures that libgssapi_krb5
+ * can be loaded multiple times in the same process when libkrb5support is held
+ * open by another library.
+ */
+
+#include <gssapi/gssapi.h>
+#include <stdio.h>
+#include <dlfcn.h>
+#include <assert.h>
+
+/* Load libgssapi_krb5, briefly use it (to force the initializer to run), and
+ * close it. */
+static void
+load_gssapi(void)
+{
+    void *gssapi;
+    OM_uint32 (*indmechs)(OM_uint32 *, gss_OID_set *);
+    OM_uint32 (*reloidset)(OM_uint32 *, gss_OID_set *);
+    OM_uint32 major, minor;
+    gss_OID_set mechs;
+
+    gssapi = dlopen("libgssapi_krb5.so", RTLD_NOW | RTLD_LOCAL);
+    assert(gssapi != NULL);
+    indmechs = dlsym(gssapi, "gss_indicate_mechs");
+    reloidset = dlsym(gssapi, "gss_release_oid_set");
+    assert(indmechs != NULL && reloidset != NULL);
+    major = (*indmechs)(&minor, &mechs);
+    assert(major == 0);
+    (*reloidset)(&minor, &mechs);
+    dlclose(gssapi);
+}
+
+int
+main()
+{
+    void *support;
+
+    /* Hold open libkrb5support to ensure that thread-local state remains */
+    support = dlopen("libkrb5support.so", RTLD_NOW | RTLD_LOCAL);
+    if (support == NULL) {
+        fprintf(stderr, "Error loading libkrb5support: %s\n", dlerror());
+        return 1;
+    }
+
+    load_gssapi();
+    load_gssapi();
+
+    dlclose(support);
+    return 0;
+}