s4-kdc: Introduce sdb a KDC backend abstraction

Guenther

Pair-Programmed-With: Andreas Schneider <asn@samba.org>
Signed-off-by: Guenther Deschner <gd@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>

1 files changed, 126 insertions, 0 deletions

diff --git a/source4/kdc/sdb.h b/source4/kdc/sdb.h
new file mode 100644
index 00000000000..e4f2725498c
--- /dev/null
+++ b/source4/kdc/sdb.h
@@ -0,0 +1,126 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Database Glue between Samba and the KDC
+
+   Copyright (C) Guenther Deschner <gd@samba.org> 2014
+   Copyright (C) Andreas Schneider <asn@samba.org> 2014
+
+   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/>.
+*/
+
+#ifndef _KDC_SDB_H_
+#define _KDC_SDB_H_
+
+struct sdb_salt {
+	unsigned int type;
+	krb5_data salt;
+};
+
+struct sdb_key {
+	unsigned int *mkvno;
+	krb5_keyblock key;
+	struct sdb_salt *salt;
+};
+
+struct sdb_keys {
+	unsigned int len;
+	struct sdb_key *val;
+};
+
+struct sdb_event {
+	krb5_principal principal;
+	time_t time;
+};
+
+struct SDBFlags {
+	unsigned int initial:1;
+	unsigned int forwardable:1;
+	unsigned int proxiable:1;
+	unsigned int renewable:1;
+	unsigned int postdate:1;
+	unsigned int server:1;
+	unsigned int client:1;
+	unsigned int invalid:1;
+	unsigned int require_preauth:1;
+	unsigned int change_pw:1;
+	unsigned int require_hwauth:1;
+	unsigned int ok_as_delegate:1;
+	unsigned int user_to_user:1;
+	unsigned int immutable:1;
+	unsigned int trusted_for_delegation:1;
+	unsigned int allow_kerberos4:1;
+	unsigned int allow_digest:1;
+	unsigned int locked_out:1;
+	unsigned int _unused18:1;
+	unsigned int _unused19:1;
+	unsigned int _unused20:1;
+	unsigned int _unused21:1;
+	unsigned int _unused22:1;
+	unsigned int _unused23:1;
+	unsigned int _unused24:1;
+	unsigned int _unused25:1;
+	unsigned int _unused26:1;
+	unsigned int _unused27:1;
+	unsigned int _unused28:1;
+	unsigned int _unused29:1;
+	unsigned int _unused30:1;
+	unsigned int do_not_store:1;
+};
+
+struct sdb_entry {
+	krb5_principal principal;
+	unsigned int kvno;
+	struct sdb_keys keys;
+	struct sdb_event created_by;
+	struct sdb_event *modified_by;
+	time_t *valid_start;
+	time_t *valid_end;
+	time_t *pw_end;
+	unsigned int *max_life;
+	unsigned int *max_renew;
+	struct SDBFlags flags;
+	struct sdb_entry_etypes {
+		unsigned int len;
+		unsigned int *val;
+	} *etypes;
+};
+
+struct sdb_entry_ex {
+	void *ctx;
+	struct sdb_entry entry;
+	void (*free_entry)(struct sdb_entry_ex *);
+};
+
+#define SDB_ERR_NOENTRY 36150275
+#define SDB_ERR_NOT_FOUND_HERE 36150287
+#define SDB_ERR_WRONG_REALM 36150289
+
+#define SDB_F_DECRYPT		1	/* decrypt keys */
+#define SDB_F_GET_CLIENT	4	/* fetch client */
+#define SDB_F_GET_SERVER	8	/* fetch server */
+#define SDB_F_GET_KRBTGT	16	/* fetch krbtgt */
+#define SDB_F_GET_ANY		28	/* fetch any of client,server,krbtgt */
+#define SDB_F_CANON		32	/* want canonicalition */
+#define SDB_F_ADMIN_DATA	64	/* want data that kdc don't use  */
+#define SDB_F_KVNO_SPECIFIED	128	/* we want a particular KVNO */
+#define SDB_F_FOR_AS_REQ	4096	/* fetch is for a AS REQ */
+#define SDB_F_FOR_TGS_REQ	8192	/* fetch is for a TGS REQ */
+
+void sdb_free_entry(struct sdb_entry_ex *e);
+void free_sdb_entry(struct sdb_entry *s);
+struct SDBFlags int2SDBFlags(unsigned n);
+
+#endif /* _KDC_SDB_H_ */