vendor/krb5/1.15.1

1 files changed, 291 insertions, 0 deletions

diff --git a/src/ccapi/lib/ccapi_ccache_iterator.c b/src/ccapi/lib/ccapi_ccache_iterator.c
new file mode 100644
index 000000000000..795610d974f8
--- /dev/null
+++ b/src/ccapi/lib/ccapi_ccache_iterator.c
@@ -0,0 +1,291 @@
+/* ccapi/lib/ccapi_ccache_iterator.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 "ccapi_ccache_iterator.h"
+#include "ccapi_ccache.h"
+#include "ccapi_ipc.h"
+
+/* ------------------------------------------------------------------------ */
+
+typedef struct cci_ccache_iterator_d {
+    cc_ccache_iterator_f *functions;
+#if TARGET_OS_MAC
+    cc_ccache_iterator_f *vector_functions;
+#endif
+    cci_identifier_t identifier;
+    char *saved_ccache_name;
+} *cci_ccache_iterator_t;
+
+/* ------------------------------------------------------------------------ */
+
+struct cci_ccache_iterator_d cci_ccache_iterator_initializer = {
+    NULL
+    VECTOR_FUNCTIONS_INITIALIZER,
+    NULL,
+    NULL
+};
+
+cc_ccache_iterator_f cci_ccache_iterator_f_initializer = {
+    ccapi_ccache_iterator_release,
+    ccapi_ccache_iterator_next,
+    ccapi_ccache_iterator_clone
+};
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 cci_ccache_iterator_new (cc_ccache_iterator_t *out_ccache_iterator,
+                                  cci_identifier_t      in_identifier)
+{
+    cc_int32 err = ccNoError;
+    cci_ccache_iterator_t ccache_iterator = NULL;
+
+    if (!in_identifier      ) { err = cci_check_error (ccErrBadParam); }
+    if (!out_ccache_iterator) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        ccache_iterator = malloc (sizeof (*ccache_iterator));
+        if (ccache_iterator) {
+            *ccache_iterator = cci_ccache_iterator_initializer;
+        } else {
+            err = cci_check_error (ccErrNoMem);
+        }
+    }
+
+    if (!err) {
+        ccache_iterator->functions = malloc (sizeof (*ccache_iterator->functions));
+        if (ccache_iterator->functions) {
+            *ccache_iterator->functions = cci_ccache_iterator_f_initializer;
+        } else {
+            err = cci_check_error (ccErrNoMem);
+        }
+    }
+
+    if (!err) {
+        err = cci_identifier_copy (&ccache_iterator->identifier, in_identifier);
+    }
+
+    if (!err) {
+        *out_ccache_iterator = (cc_ccache_iterator_t) ccache_iterator;
+        ccache_iterator = NULL; /* take ownership */
+    }
+
+    ccapi_ccache_iterator_release ((cc_ccache_iterator_t) ccache_iterator);
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 cci_ccache_iterator_write (cc_ccache_iterator_t in_ccache_iterator,
+                                   k5_ipc_stream          in_stream)
+{
+    cc_int32 err = ccNoError;
+    cci_ccache_iterator_t ccache_iterator = (cci_ccache_iterator_t) in_ccache_iterator;
+
+    if (!in_ccache_iterator) { err = cci_check_error (ccErrBadParam); }
+    if (!in_stream         ) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        err =  cci_identifier_write (ccache_iterator->identifier, in_stream);
+    }
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccapi_ccache_iterator_release (cc_ccache_iterator_t io_ccache_iterator)
+{
+    cc_int32 err = ccNoError;
+    cci_ccache_iterator_t ccache_iterator = (cci_ccache_iterator_t) io_ccache_iterator;
+
+    if (!io_ccache_iterator) { err = ccErrBadParam; }
+
+    if (!err) {
+        cc_uint32 initialized = 0;
+
+        err = cci_identifier_is_initialized (ccache_iterator->identifier,
+                                             &initialized);
+
+        if (!err && initialized) {
+            err =  cci_ipc_send (cci_ccache_iterator_release_msg_id,
+                                 ccache_iterator->identifier,
+                                 NULL,
+                                 NULL);
+            if (err) {
+                cci_debug_printf ("%s: cci_ipc_send failed with error %d",
+                                 __FUNCTION__, err);
+                err = ccNoError;
+            }
+        }
+    }
+
+    if (!err) {
+        free ((char *) ccache_iterator->functions);
+        cci_identifier_release (ccache_iterator->identifier);
+        free (ccache_iterator->saved_ccache_name);
+        free (ccache_iterator);
+    }
+
+    return err;
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccapi_ccache_iterator_next (cc_ccache_iterator_t  in_ccache_iterator,
+                                     cc_ccache_t          *out_ccache)
+{
+    cc_int32 err = ccNoError;
+    cci_ccache_iterator_t ccache_iterator = (cci_ccache_iterator_t) in_ccache_iterator;
+    k5_ipc_stream reply = NULL;
+    cci_identifier_t identifier = NULL;
+
+    if (!in_ccache_iterator) { err = cci_check_error (ccErrBadParam); }
+    if (!out_ccache        ) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        cc_uint32 initialized = 0;
+
+        err = cci_identifier_is_initialized (ccache_iterator->identifier,
+                                             &initialized);
+
+        if (!err && !initialized) {
+            /* server doesn't actually exist.  Pretend we're empty. */
+            err = cci_check_error (ccIteratorEnd);
+        }
+    }
+
+    if (!err) {
+        err =  cci_ipc_send (cci_ccache_iterator_next_msg_id,
+                             ccache_iterator->identifier,
+                             NULL,
+                             &reply);
+    }
+
+    if (!err) {
+        err = cci_identifier_read (&identifier, reply);
+    }
+
+    if (!err) {
+        err = cci_ccache_new (out_ccache, identifier);
+    }
+
+    krb5int_ipc_stream_release (reply);
+    cci_identifier_release (identifier);
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 ccapi_ccache_iterator_clone (cc_ccache_iterator_t  in_ccache_iterator,
+                                      cc_ccache_iterator_t *out_ccache_iterator)
+{
+    cc_int32 err = ccNoError;
+    cci_ccache_iterator_t ccache_iterator = (cci_ccache_iterator_t) in_ccache_iterator;
+    k5_ipc_stream reply = NULL;
+    cc_uint32 initialized = 0;
+    cci_identifier_t identifier = NULL;
+
+    if (!in_ccache_iterator ) { err = cci_check_error (ccErrBadParam); }
+    if (!out_ccache_iterator) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        err = cci_identifier_is_initialized (ccache_iterator->identifier,
+                                             &initialized);
+    }
+
+    if (!err) {
+        if (initialized) {
+            err =  cci_ipc_send (cci_ccache_iterator_next_msg_id,
+                                 ccache_iterator->identifier,
+                                 NULL,
+                                 &reply);
+
+            if (!err) {
+                err =  cci_identifier_read (&identifier, reply);
+            }
+
+        } else {
+            /* server doesn't actually exist.  Make another dummy one. */
+            identifier = cci_identifier_uninitialized;
+        }
+    }
+
+    if (!err) {
+        err = cci_ccache_iterator_new (out_ccache_iterator, identifier);
+    }
+
+    cci_identifier_release (identifier);
+    krb5int_ipc_stream_release (reply);
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 cci_ccache_iterator_get_saved_ccache_name (cc_ccache_iterator_t   in_ccache_iterator,
+                                                    const char           **out_saved_ccache_name)
+{
+    cc_int32 err = ccNoError;
+    cci_ccache_iterator_t ccache_iterator = (cci_ccache_iterator_t) in_ccache_iterator;
+
+    if (!in_ccache_iterator   ) { err = cci_check_error (ccErrBadParam); }
+    if (!out_saved_ccache_name) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err) {
+        *out_saved_ccache_name = ccache_iterator->saved_ccache_name;
+    }
+
+    return cci_check_error (err);
+}
+
+/* ------------------------------------------------------------------------ */
+
+cc_int32 cci_ccache_iterator_set_saved_ccache_name (cc_ccache_iterator_t  io_ccache_iterator,
+                                                    const char            *in_saved_ccache_name)
+{
+    cc_int32 err = ccNoError;
+    cci_ccache_iterator_t ccache_iterator = (cci_ccache_iterator_t) io_ccache_iterator;
+    char *new_saved_ccache_name = NULL;
+
+    if (!io_ccache_iterator) { err = cci_check_error (ccErrBadParam); }
+
+    if (!err && in_saved_ccache_name) {
+        new_saved_ccache_name = strdup (in_saved_ccache_name);
+        if (!new_saved_ccache_name) { err = ccErrNoMem; }
+    }
+
+    if (!err) {
+        free (ccache_iterator->saved_ccache_name);
+
+        ccache_iterator->saved_ccache_name = new_saved_ccache_name;
+        new_saved_ccache_name = NULL; /* take ownership */
+    }
+
+    free (new_saved_ccache_name);
+
+    return cci_check_error (err);
+}