69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*++
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/* NAME
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/* tok822_rewrite 3
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/* SUMMARY
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/* address rewriting, client interface
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/* SYNOPSIS
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/* #include <tok822.h>
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/*
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/* TOK822 *tok822_rewrite(addr, how)
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/* TOK822 *addr;
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/* char *how;
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/* DESCRIPTION
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/* tok822_rewrite() takes an address token tree and transforms
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/* it according to the rule set specified via \fIhow\fR. The
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/* result is the \fIaddr\fR argument.
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/* LICENSE
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/* .ad
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/* .fi
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/* The Secure Mailer license must be distributed with this software.
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/* AUTHOR(S)
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/* Wietse Venema
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/* IBM T.J. Watson Research
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/* P.O. Box 704
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/* Yorktown Heights, NY 10598, USA
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/*--*/
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/* System library. */
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#include <sys_defs.h>
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/* Utility library. */
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#include <vstring.h>
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#include <msg.h>
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/* Global library. */
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#include "rewrite_clnt.h"
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#include "tok822.h"
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/* tok822_rewrite - address rewriting interface */
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TOK822 *tok822_rewrite(TOK822 *addr, const char *how)
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{
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VSTRING *input_ext_form = vstring_alloc(100);
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VSTRING *canon_ext_form = vstring_alloc(100);
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if (addr->type != TOK822_ADDR)
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msg_panic("tok822_rewrite: non-address token type: %d", addr->type);
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/*
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* Externalize the token tree, ship it to the rewrite service, and parse
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* the result. Shipping external form is much simpler than shipping parse
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* trees.
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*/
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tok822_externalize(input_ext_form, addr->head, TOK822_STR_DEFL);
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if (msg_verbose)
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msg_info("tok822_rewrite: input: %s", vstring_str(input_ext_form));
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rewrite_clnt(how, vstring_str(input_ext_form), canon_ext_form);
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if (msg_verbose)
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msg_info("tok822_rewrite: result: %s", vstring_str(canon_ext_form));
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tok822_free_tree(addr->head);
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addr->head = tok822_scan(vstring_str(canon_ext_form), &addr->tail);
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vstring_free(input_ext_form);
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vstring_free(canon_ext_form);
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return (addr);
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}
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