1 files changed, 72 insertions, 0 deletions
diff --git a/source4/auth/gensec/gensec_krb5_helpers.c b/source4/auth/gensec/gensec_krb5_helpers.c
new file mode 100644
index 0000000..21f2f1e
--- /dev/null
+++ b/source4/auth/gensec/gensec_krb5_helpers.c
@@ -0,0 +1,72 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Kerberos backend for GENSEC
+
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
+   Copyright (C) Andrew Tridgell 2001
+   Copyright (C) Luke Howard 2002-2003
+   Copyright (C) Stefan Metzmacher 2004-2005
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "auth/auth.h"
+#include "auth/gensec/gensec.h"
+#include "auth/gensec/gensec_internal.h"
+#include "gensec_krb5_internal.h"
+#include "gensec_krb5_helpers.h"
+#include "system/kerberos.h"
+#include "auth/kerberos/kerberos.h"
+
+static struct gensec_krb5_state *get_private_state(const struct gensec_security *gensec_security)
+{
+	struct gensec_krb5_state *gensec_krb5_state = NULL;
+
+	if (strcmp(gensec_security->ops->name, "krb5") != 0) {
+		/* We require that the krb5 mechanism is being used. */
+		return NULL;
+	}
+
+	gensec_krb5_state = talloc_get_type(gensec_security->private_data,
+					    struct gensec_krb5_state);
+	return gensec_krb5_state;
+}
+
+/*
+ * Returns 1 if our ticket has the initial flag set, 0 if not, and -1 in case of
+ * error.
+ */
+int gensec_krb5_initial_ticket(const struct gensec_security *gensec_security)
+{
+	struct gensec_krb5_state *gensec_krb5_state = NULL;
+
+	gensec_krb5_state = get_private_state(gensec_security);
+	if (gensec_krb5_state == NULL) {
+		return -1;
+	}
+
+	if (gensec_krb5_state->ticket == NULL) {
+		/* We don't have a ticket */
+		return -1;
+	}
+
+#ifdef SAMBA4_USES_HEIMDAL
+	return gensec_krb5_state->ticket->ticket.flags.initial;
+#else /* MIT KERBEROS */
+	return (gensec_krb5_state->ticket->enc_part2->flags & TKT_FLG_INITIAL) ? 1 : 0;
+#endif /* SAMBA4_USES_HEIMDAL */
+}