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-rw-r--r--src/global/tok822_rewrite.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/global/tok822_rewrite.c b/src/global/tok822_rewrite.c
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+/*++
+/* 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);
+}