1 files changed, 73 insertions, 0 deletions
diff --git a/src/tls/tls_scache.h b/src/tls/tls_scache.h
new file mode 100644
index 0000000..06c727a
--- /dev/null
+++ b/src/tls/tls_scache.h
@@ -0,0 +1,73 @@
+#ifndef _TLS_SCACHE_H_INCLUDED_
+#define _TLS_SCACHE_H_INCLUDED_
+
+/*++
+/* NAME
+/*	tls_scache 3h
+/* SUMMARY
+/*	TLS session cache manager
+/* SYNOPSIS
+/*	#include <tls_scache.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+  * Utility library.
+  */
+#include <dict.h>
+#include <vstring.h>
+
+ /*
+  * External interface.
+  */
+typedef struct {
+    int     flags;			/* see below */
+    DICT   *db;				/* database handle */
+    char   *cache_label;		/* "smtpd", "smtp" or "lmtp" */
+    int     verbose;			/* enable verbose logging */
+    int     timeout;			/* smtp(d)_tls_session_cache_timeout */
+    char   *saved_cursor;		/* cursor cache ID */
+} TLS_SCACHE;
+
+#define TLS_TICKET_NAMELEN	16	/* RFC 5077 ticket key name length */
+#define TLS_TICKET_IVLEN	16	/* RFC 5077 ticket IV length */
+#define TLS_TICKET_KEYLEN	32	/* AES-256-CBC key size */
+#define TLS_TICKET_MACLEN	32	/* RFC 5077 HMAC key size */
+#define TLS_SESSION_LIFEMIN	120	/* May you live to 120! */
+
+typedef struct TLS_TICKET_KEY {
+    unsigned char name[TLS_TICKET_NAMELEN];
+    unsigned char bits[TLS_TICKET_KEYLEN];
+    unsigned char hmac[TLS_TICKET_MACLEN];
+    time_t  tout;
+} TLS_TICKET_KEY;
+
+#define TLS_SCACHE_FLAG_DEL_SAVED_CURSOR	(1<<0)
+
+extern TLS_SCACHE *tls_scache_open(const char *, const char *, int, int);
+extern void tls_scache_close(TLS_SCACHE *);
+extern int tls_scache_lookup(TLS_SCACHE *, const char *, VSTRING *);
+extern int tls_scache_update(TLS_SCACHE *, const char *, const char *, ssize_t);
+extern int tls_scache_delete(TLS_SCACHE *, const char *);
+extern int tls_scache_sequence(TLS_SCACHE *, int, char **, VSTRING *);
+extern TLS_TICKET_KEY *tls_scache_key(unsigned char *, time_t, int);
+extern TLS_TICKET_KEY *tls_scache_key_rotate(TLS_TICKET_KEY *);
+
+#define TLS_SCACHE_DONT_NEED_CACHE_ID		((char **) 0)
+#define TLS_SCACHE_DONT_NEED_SESSION		((VSTRING *) 0)
+
+#define TLS_SCACHE_SEQUENCE_NOTHING \
+	TLS_SCACHE_DONT_NEED_CACHE_ID, TLS_SCACHE_DONT_NEED_SESSION
+
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*--*/
+
+#endif