1 files changed, 82 insertions, 0 deletions
diff --git a/src/global/mail_addr_find.h b/src/global/mail_addr_find.h
new file mode 100644
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--- /dev/null
+++ b/src/global/mail_addr_find.h
@@ -0,0 +1,82 @@
+#ifndef _MAIL_ADDR_FIND_H_INCLUDED_
+#define _MAIL_ADDR_FIND_H_INCLUDED_
+
+/*++
+/* NAME
+/*	mail_addr_find 3h
+/* SUMMARY
+/*	generic address-based lookup
+/* SYNOPSIS
+/*	#include <mail_addr_find.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+  * Global library.
+  */
+#include <mail_addr_form.h>
+#include <maps.h>
+
+ /*
+  * External interface.
+  */
+extern const char *mail_addr_find_opt(MAPS *, const char *, char **,
+				              int, int, int, int);
+
+#define MA_FIND_FULL	(1<<0)		/* localpart+ext@domain */
+#define MA_FIND_NOEXT	(1<<1)		/* localpart@domain */
+#define MA_FIND_LOCALPART_IF_LOCAL \
+				(1<<2)	/* localpart (maybe localpart+ext) */
+#define MA_FIND_LOCALPART_AT_IF_LOCAL \
+				(1<<3)	/* ditto, with @ at end */
+#define MA_FIND_AT_DOMAIN	(1<<4)	/* @domain */
+#define MA_FIND_DOMAIN	(1<<5)		/* domain */
+#define MA_FIND_PDMS	(1<<6)		/* parent matches subdomain */
+#define MA_FIND_PDDMDS	(1<<7)		/* parent matches dot-subdomain */
+#define MA_FIND_LOCALPART_AT	\
+				(1<<8)	/* localpart@ (maybe localpart+ext@) */
+
+#define MA_FIND_DEFAULT	(MA_FIND_FULL | MA_FIND_NOEXT \
+				| MA_FIND_LOCALPART_IF_LOCAL \
+				| MA_FIND_AT_DOMAIN)
+
+ /* The least-overhead form. */
+#define mail_addr_find_int_to_ext(maps, address, extension) \
+	mail_addr_find_opt((maps), (address), (extension), \
+	    MA_FORM_INTERNAL, MA_FORM_EXTERNAL, \
+	    MA_FORM_EXTERNAL, MA_FIND_DEFAULT)
+
+ /* The legacy forms. */
+#define MA_FIND_FORM_LEGACY \
+	MA_FORM_INTERNAL, MA_FORM_EXTERNAL_FIRST, \
+	    MA_FORM_EXTERNAL
+
+#define mail_addr_find_strategy(maps, address, extension, strategy) \
+	mail_addr_find_opt((maps), (address), (extension), \
+	    MA_FIND_FORM_LEGACY, (strategy))
+
+#define mail_addr_find(maps, address, extension) \
+	mail_addr_find_strategy((maps), (address), (extension), \
+	    MA_FIND_DEFAULT)
+
+#define mail_addr_find_to_internal(maps, address, extension) \
+	mail_addr_find_opt((maps), (address), (extension), \
+	    MA_FIND_FORM_LEGACY, MA_FIND_DEFAULT)
+
+/* 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
+/*
+/*	Wietse Venema
+/*	Google, Inc.
+/*	111 8th Avenue
+/*	New York, NY 10011, USA
+/*--*/
+
+#endif