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/*++
/* NAME
/* cleanup_extracted 3
/* SUMMARY
/* process extracted segment
/* SYNOPSIS
/* #include "cleanup.h"
/*
/* void cleanup_extracted(void)
/* DESCRIPTION
/* This module processes message segments for information
/* extracted from message content. It requires that the input
/* contains no extracted information, and writes extracted
/* information records to the output.
/* 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 <msg.h>
#include <vstring.h>
#include <vstream.h>
#include <argv.h>
#include <mymalloc.h>
/* Global library. */
#include <cleanup_user.h>
#include <record.h>
#include <rec_type.h>
#include <mail_params.h>
#include <ext_prop.h>
/* Application-specific. */
#include "cleanup.h"
#define STR(x) vstring_str(x)
/* cleanup_extracted - generate segment with header-extracted information */
void cleanup_extracted(void)
{
VSTRING *clean_addr;
ARGV *rcpt;
char **cpp;
int type;
/*
* Start the extracted segment, before copying recipient records.
*/
cleanup_out_string(REC_TYPE_XTRA, "");
/*
* Do not complain in case of premature EOF - most likely the client
* aborted the operation.
*
* XXX Rely on the front-end programs to enforce record size limits.
*/
while (CLEANUP_OUT_OK()) {
if ((type = rec_get(cleanup_src, cleanup_inbuf, 0)) < 0) {
cleanup_errs |= CLEANUP_STAT_BAD;
return;
}
if (type == REC_TYPE_RRTO) {
/* XXX Use extracted information instead. */ ;
} else if (type == REC_TYPE_ERTO) {
/* XXX Use extracted information instead. */ ;
} else if (type == REC_TYPE_RCPT) {
clean_addr = vstring_alloc(100);
cleanup_rewrite_internal(clean_addr, *STR(cleanup_inbuf) ?
STR(cleanup_inbuf) : var_empty_addr);
if (cleanup_rcpt_canon_maps)
cleanup_map11_internal(clean_addr, cleanup_rcpt_canon_maps,
cleanup_ext_prop_mask & EXT_PROP_CANONICAL);
if (cleanup_comm_canon_maps)
cleanup_map11_internal(clean_addr, cleanup_comm_canon_maps,
cleanup_ext_prop_mask & EXT_PROP_CANONICAL);
cleanup_out_recipient(STR(clean_addr));
if (cleanup_recip == 0)
cleanup_recip = mystrdup(STR(clean_addr));
vstring_free(clean_addr);
} else if (type == REC_TYPE_END) {
break;
} else {
msg_warn("%s: unexpected record type %d in extracted segment",
cleanup_queue_id, type);
cleanup_errs |= CLEANUP_STAT_BAD;
if (type >= 0)
cleanup_skip();
return;
}
}
/*
* Always emit Return-Receipt-To and Errors-To records, and always emit
* them ahead of extracted recipients, so that the queue manager does not
* waste lots of time searching through large numbers of recipient
* addresses.
*/
cleanup_out_string(REC_TYPE_RRTO, cleanup_return_receipt ?
cleanup_return_receipt : "");
cleanup_out_string(REC_TYPE_ERTO, cleanup_errors_to ?
cleanup_errors_to : cleanup_sender);
/*
* Optionally account for missing recipient envelope records.
*
* Don't extract recipients when some header was too long. We have
* incomplete information.
*
* XXX Code duplication from cleanup_envelope.c. This should be in one
* place.
*/
if (cleanup_recip == 0 && (cleanup_errs & CLEANUP_STAT_HOVFL) == 0) {
rcpt = (cleanup_resent[0] ? cleanup_resent_recip : cleanup_recipients);
if (*var_always_bcc && rcpt->argv[0]) {
clean_addr = vstring_alloc(100);
cleanup_rewrite_internal(clean_addr, var_always_bcc);
if (cleanup_rcpt_canon_maps)
cleanup_map11_internal(clean_addr, cleanup_rcpt_canon_maps,
cleanup_ext_prop_mask & EXT_PROP_CANONICAL);
if (cleanup_comm_canon_maps)
cleanup_map11_internal(clean_addr, cleanup_comm_canon_maps,
cleanup_ext_prop_mask & EXT_PROP_CANONICAL);
argv_add(rcpt, STR(clean_addr), (char *) 0);
vstring_free(clean_addr);
}
argv_terminate(rcpt);
for (cpp = rcpt->argv; CLEANUP_OUT_OK() && *cpp; cpp++)
cleanup_out_recipient(*cpp);
if (rcpt->argv[0])
cleanup_recip = mystrdup(rcpt->argv[0]);
}
/*
* Terminate the extracted segment.
*/
cleanup_out_string(REC_TYPE_END, "");
}
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