1 files changed, 68 insertions, 0 deletions
diff --git a/src/global/tok822_rewrite.c b/src/global/tok822_rewrite.c
new file mode 100644
index 0000000..fd52abb
--- /dev/null
+++ b/src/global/tok822_rewrite.c
@@ -0,0 +1,68 @@
+/*++
+/* NAME
+/*	tok822_rewrite 3
+/* SUMMARY
+/*	address rewriting, client interface
+/* SYNOPSIS
+/*	#include <tok822.h>
+/*
+/*	TOK822	*tok822_rewrite(addr, how)
+/*	TOK822	*addr;
+/*	char	*how;
+/* DESCRIPTION
+/*	tok822_rewrite() takes an address token tree and transforms
+/*	it according to the rule set specified via \fIhow\fR. The
+/*	result is the \fIaddr\fR argument.
+/* 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
+/*--*/
+
+/* System library. */
+
+#include <sys_defs.h>
+
+/* Utility library. */
+
+#include <vstring.h>
+#include <msg.h>
+
+/* Global library. */
+
+#include "rewrite_clnt.h"
+#include "tok822.h"
+
+/* tok822_rewrite - address rewriting interface */
+
+TOK822 *tok822_rewrite(TOK822 *addr, const char *how)
+{
+    VSTRING *input_ext_form = vstring_alloc(100);
+    VSTRING *canon_ext_form = vstring_alloc(100);
+
+    if (addr->type != TOK822_ADDR)
+	msg_panic("tok822_rewrite: non-address token type: %d", addr->type);
+
+    /*
+     * Externalize the token tree, ship it to the rewrite service, and parse
+     * the result. Shipping external form is much simpler than shipping parse
+     * trees.
+     */
+    tok822_externalize(input_ext_form, addr->head, TOK822_STR_DEFL);
+    if (msg_verbose)
+	msg_info("tok822_rewrite: input: %s", vstring_str(input_ext_form));
+    rewrite_clnt(how, vstring_str(input_ext_form), canon_ext_form);
+    if (msg_verbose)
+	msg_info("tok822_rewrite: result: %s", vstring_str(canon_ext_form));
+    tok822_free_tree(addr->head);
+    addr->head = tok822_scan(vstring_str(canon_ext_form), &addr->tail);
+
+    vstring_free(input_ext_form);
+    vstring_free(canon_ext_form);
+    return (addr);
+}