vendor/krb5/1.15.1

1 files changed, 236 insertions, 0 deletions

diff --git a/src/ccapi/server/ccs_client.c b/src/ccapi/server/ccs_client.c
new file mode 100644
index 000000000000..a7b0ad0bd438
--- /dev/null
+++ b/src/ccapi/server/ccs_client.c
@@ -0,0 +1,236 @@
+/* ccapi/server/ccs_client.c */
+/*
+ * Copyright 2006 Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * Export of this software from the United States of America may
+ * require a specific license from the United States Government.
+ * It is the responsibility of any person or organization contemplating
+ * export to obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ */
+
+#include "ccs_common.h"
+
+struct ccs_client_d {
+    ccs_pipe_t client_pipe;
+
+    /* The following arrays do not own their contents */
+    ccs_callbackref_array_t callbacks;
+    ccs_iteratorref_array_t iterators;
+};
+
+struct ccs_client_d ccs_client_initializer = { CCS_PIPE_NULL, NULL, NULL };
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccs_client_new (ccs_client_t *out_client,
+                         ccs_pipe_t    in_client_pipe)
+{
+    cc_int32 err = ccNoError;
+    ccs_client_t client = NULL;
+
+    if (!out_client                     ) { err = cci_check_error (ccErrBadParam); }
+    if (!ccs_pipe_valid (in_client_pipe)) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        client = malloc (sizeof (*client));
+        if (client) {
+            *client = ccs_client_initializer;
+        } else {
+            err = cci_check_error (ccErrNoMem);
+        }
+    }
+
+    if (!err) {
+        err = ccs_callbackref_array_new (&client->callbacks);
+    }
+
+    if (!err) {
+        err = ccs_iteratorref_array_new (&client->iterators);
+    }
+
+    if (!err) {
+	err = ccs_pipe_copy (&client->client_pipe, in_client_pipe);
+    }
+
+    if (!err) {
+        *out_client = client;
+        client = NULL;
+    }
+
+    ccs_client_release (client);
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccs_client_release (ccs_client_t io_client)
+{
+    cc_int32 err = ccNoError;
+
+    if (!err && io_client) {
+	cc_uint64 i;
+	cc_uint64 callback_count = ccs_callbackref_array_count (io_client->callbacks);
+	cc_uint64 iterator_count = ccs_iteratorref_array_count (io_client->iterators);
+
+	for (i = 0; !err && i < callback_count; i++) {
+	    ccs_callback_t callback = ccs_callbackref_array_object_at_index (io_client->callbacks, i);
+
+	    cci_debug_printf ("%s: Invalidating callback reference %p.",
+                              __FUNCTION__, callback);
+	    ccs_callback_invalidate (callback);
+	}
+
+	for (i = 0; !err && i < iterator_count; i++) {
+	    ccs_generic_list_iterator_t iterator = ccs_iteratorref_array_object_at_index (io_client->iterators, i);
+
+	    cci_debug_printf ("%s: Invalidating iterator reference %p.",
+                              __FUNCTION__, iterator);
+	    ccs_generic_list_iterator_invalidate (iterator);
+	}
+
+	ccs_callbackref_array_release (io_client->callbacks);
+	ccs_iteratorref_array_release (io_client->iterators);
+	ccs_pipe_release (io_client->client_pipe);
+	free (io_client);
+    }
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccs_client_add_callback (ccs_client_t   io_client,
+				  ccs_callback_t in_callback)
+{
+    cc_int32 err = ccNoError;
+
+    if (!io_client  ) { err = cci_check_error (ccErrBadParam); }
+    if (!in_callback) { err = cci_check_error (ccErrBadParam); }
+
+     if (!err) {
+        err = ccs_callbackref_array_insert (io_client->callbacks, in_callback,
+					    ccs_callbackref_array_count (io_client->callbacks));
+     }
+
+    return cci_check_error (err);
+}
+
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccs_client_remove_callback (ccs_client_t   io_client,
+				     ccs_callback_t in_callback)
+{
+    cc_int32 err = ccNoError;
+    cc_uint32 found_callback = 0;
+
+    if (!io_client) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        cc_uint64 i;
+        cc_uint64 lock_count = ccs_callbackref_array_count (io_client->callbacks);
+
+        for (i = 0; !err && i < lock_count; i++) {
+            ccs_callback_t callback = ccs_callbackref_array_object_at_index (io_client->callbacks, i);
+
+            if (callback == in_callback) {
+		cci_debug_printf ("%s: Removing callback reference %p.", __FUNCTION__, callback);
+		found_callback = 1;
+		err = ccs_callbackref_array_remove (io_client->callbacks, i);
+		break;
+            }
+        }
+    }
+
+    if (!err && !found_callback) {
+        cci_debug_printf ("%s: WARNING! callback not found.", __FUNCTION__);
+    }
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccs_client_add_iterator (ccs_client_t                io_client,
+				  ccs_generic_list_iterator_t in_iterator)
+{
+    cc_int32 err = ccNoError;
+
+    if (!io_client  ) { err = cci_check_error (ccErrBadParam); }
+    if (!in_iterator) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        err = ccs_iteratorref_array_insert (io_client->iterators, in_iterator,
+                                            ccs_iteratorref_array_count (io_client->iterators));
+    }
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccs_client_remove_iterator (ccs_client_t                io_client,
+				     ccs_generic_list_iterator_t in_iterator)
+{
+    cc_int32 err = ccNoError;
+    cc_uint32 found_iterator = 0;
+
+    if (!io_client) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        cc_uint64 i;
+        cc_uint64 lock_count = ccs_iteratorref_array_count (io_client->iterators);
+
+        for (i = 0; !err && i < lock_count; i++) {
+            ccs_generic_list_iterator_t iterator = ccs_iteratorref_array_object_at_index (io_client->iterators, i);
+
+            if (iterator == in_iterator) {
+		cci_debug_printf ("%s: Removing iterator reference %p.", __FUNCTION__, iterator);
+		found_iterator = 1;
+		err = ccs_iteratorref_array_remove (io_client->iterators, i);
+		break;
+            }
+        }
+    }
+
+    if (!err && !found_iterator) {
+        cci_debug_printf ("%s: WARNING! iterator not found.", __FUNCTION__);
+    }
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccs_client_uses_pipe (ccs_client_t  in_client,
+                               ccs_pipe_t    in_pipe,
+                               cc_uint32    *out_uses_pipe)
+{
+    cc_int32 err = ccNoError;
+
+    if (!in_client    ) { err = cci_check_error (ccErrBadParam); }
+    if (!in_pipe      ) { err = cci_check_error (ccErrBadParam); }
+    if (!out_uses_pipe) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        err = ccs_pipe_compare (in_client->client_pipe, in_pipe, out_uses_pipe);
+    }
+
+    return cci_check_error (err);
+}