void cleanup_extracted_process(CLEANUP_STATE *state, int type,
const char *buf, ssize_t len)
{
const char *myname = "cleanup_extracted_process";
const char *encoding;
char *attr_name;
char *attr_value;
const char *error_text;
int extra_opts;
int junk;
#ifdef DELAY_ACTION
int defer_delay;
#endif
if (msg_verbose)
msg_info("extracted envelope %c %.*s", type, (int) len, buf);
if (type == REC_TYPE_FLGS) {
/* Not part of queue file format. */
extra_opts = atoi(buf);
if (extra_opts & ~CLEANUP_FLAG_MASK_EXTRA)
msg_warn("%s: ignoring bad extra flags: 0x%x",
state->queue_id, extra_opts);
else
state->flags |= extra_opts;
return;
}
#ifdef DELAY_ACTION
if (type == REC_TYPE_DELAY) {
/* Not part of queue file format. */
defer_delay = atoi(buf);
if (defer_delay <= 0)
msg_warn("%s: ignoring bad delay time: %s", state->queue_id, buf);
else
state->defer_delay = defer_delay;
return;
}
#endif
if (strchr(REC_TYPE_EXTRACT, type) == 0) {
msg_warn("%s: message rejected: "
"unexpected record type %d in extracted envelope",
state->queue_id, type);
state->errs |= CLEANUP_STAT_BAD;
return;
}
/*
* Map DSN attribute name to pseudo record type so that we don't have to
* pollute the queue file with records that are incompatible with past
* Postfix versions. Preferably, people should be able to back out from
* an upgrade without losing mail.
*/
if (type == REC_TYPE_ATTR) {
vstring_strcpy(state->attr_buf, buf);
error_text = split_nameval(STR(state->attr_buf), &attr_name, &attr_value);
if (error_text != 0) {
msg_warn("%s: message rejected: malformed attribute: %s: %.100s",
state->queue_id, error_text, buf);
state->errs |= CLEANUP_STAT_BAD;
return;
}
/* Zero-length values are place holders for unavailable values. */
if (*attr_value == 0) {
msg_warn("%s: spurious null attribute value for \"%s\" -- ignored",
state->queue_id, attr_name);
return;
}
if ((junk = rec_attr_map(attr_name)) != 0) {
buf = attr_value;
type = junk;
}
}
/*
* On the transition from non-recipient records to recipient records,
* emit optional information from header/body content.
*/
if ((state->flags & CLEANUP_FLAG_INRCPT) == 0
&& strchr(REC_TYPE_EXT_RECIPIENT, type) != 0) {
if (state->filter != 0)
cleanup_out_string(state, REC_TYPE_FILT, state->filter);
if (state->redirect != 0)
cleanup_out_string(state, REC_TYPE_RDR, state->redirect);
if ((encoding = nvtable_find(state->attr, MAIL_ATTR_ENCODING)) != 0)
cleanup_out_format(state, REC_TYPE_ATTR, "%s=%s",
MAIL_ATTR_ENCODING, encoding);
state->flags |= CLEANUP_FLAG_INRCPT;
/* Make room to append more meta records. */
if (state->milters || cleanup_milters) {
if ((state->append_meta_pt_offset = vstream_ftell(state->dst)) < 0)
msg_fatal("%s: vstream_ftell %s: %m:", myname, cleanup_path);
cleanup_out_format(state, REC_TYPE_PTR, REC_TYPE_PTR_FORMAT, 0L);
if ((state->append_meta_pt_target = vstream_ftell(state->dst)) < 0)
msg_fatal("%s: vstream_ftell %s: %m:", myname, cleanup_path);
}
}
/*
* Extracted envelope recipient record processing.
*/
if (type == REC_TYPE_RCPT) {
if (state->sender == 0) { /* protect showq */
msg_warn("%s: message rejected: envelope recipient precedes sender",
state->queue_id);
state->errs |= CLEANUP_STAT_BAD;
return;
}
if (state->orig_rcpt == 0)
state->orig_rcpt = mystrdup(buf);
cleanup_addr_recipient(state, buf);
if (cleanup_milters != 0
&& state->milters == 0
&& CLEANUP_MILTER_OK(state))
cleanup_milter_emul_rcpt(state, cleanup_milters, state->recip);
myfree(state->orig_rcpt);
state->orig_rcpt = 0;
if (state->dsn_orcpt != 0) {
myfree(state->dsn_orcpt);
state->dsn_orcpt = 0;
}
state->dsn_notify = 0;
return;
}
if (type == REC_TYPE_DONE || type == REC_TYPE_DRCP) {
if (state->orig_rcpt != 0) {
myfree(state->orig_rcpt);
state->orig_rcpt = 0;
}
if (state->dsn_orcpt != 0) {
myfree(state->dsn_orcpt);
state->dsn_orcpt = 0;
}
state->dsn_notify = 0;
return;
}
if (type == REC_TYPE_DSN_ORCPT) {
if (state->dsn_orcpt) {
msg_warn("%s: ignoring out-of-order DSN original recipient record <%.200s>",
state->queue_id, state->dsn_orcpt);
myfree(state->dsn_orcpt);
}
state->dsn_orcpt = mystrdup(buf);
return;
}
if (type == REC_TYPE_DSN_NOTIFY) {
if (state->dsn_notify) {
msg_warn("%s: ignoring out-of-order DSN notify record <%d>",
state->queue_id, state->dsn_notify);
state->dsn_notify = 0;
}
if (!alldig(buf) || (junk = atoi(buf)) == 0 || DSN_NOTIFY_OK(junk) == 0)
msg_warn("%s: ignoring malformed dsn notify record <%.200s>",
state->queue_id, buf);
else
state->qmgr_opts |=
QMGR_READ_FLAG_FROM_DSN(state->dsn_notify = junk);
return;
}
if (type == REC_TYPE_ORCP) {
if (state->orig_rcpt != 0) {
msg_warn("%s: ignoring out-of-order original recipient record <%.200s>",
state->queue_id, buf);
myfree(state->orig_rcpt);
}
state->orig_rcpt = mystrdup(buf);
return;
}
if (type == REC_TYPE_END) {
/* Make room to append recipient. */
if ((state->milters || cleanup_milters)
&& state->append_rcpt_pt_offset < 0) {
if ((state->append_rcpt_pt_offset = vstream_ftell(state->dst)) < 0)
msg_fatal("%s: vstream_ftell %s: %m:", myname, cleanup_path);
cleanup_out_format(state, REC_TYPE_PTR, REC_TYPE_PTR_FORMAT, 0L);
if ((state->append_rcpt_pt_target = vstream_ftell(state->dst)) < 0)
msg_fatal("%s: vstream_ftell %s: %m:", myname, cleanup_path);
}
state->flags &= ~CLEANUP_FLAG_INRCPT;
state->flags |= CLEANUP_FLAG_END_SEEN;
cleanup_extracted_finish(state);
return;
}
/*
* Extracted envelope non-recipient record processing.
*/
if (state->flags & CLEANUP_FLAG_INRCPT)
/* Tell qmgr that recipient records are mixed with other information. */
state->qmgr_opts |= QMGR_READ_FLAG_MIXED_RCPT_OTHER;
cleanup_out(state, type, buf, len);
return;
}
void cleanup_extracted_process(CLEANUP_STATE *state, int type,
const char *buf, int len)
{
const char *encoding;
const char generated_by_cleanup[] = {
REC_TYPE_FILT, REC_TYPE_RDR, REC_TYPE_ATTR,
REC_TYPE_RRTO, REC_TYPE_ERTO, 0,
};
if (msg_verbose)
msg_info("extracted envelope %c %.*s", type, len, buf);
if (strchr(REC_TYPE_EXTRACT, type) == 0) {
msg_warn("%s: message rejected: "
"unexpected record type %d in extracted envelope",
state->queue_id, type);
state->errs |= CLEANUP_STAT_BAD;
return;
}
/*
* On the transition from non-recipient records to recipient records,
* emit optional information from header/body content.
*/
if ((state->flags & CLEANUP_FLAG_INRCPT) == 0
&& strchr(REC_TYPE_EXT_RECIPIENT, type) != 0) {
if (state->filter != 0)
cleanup_out_string(state, REC_TYPE_FILT, state->filter);
if (state->redirect != 0)
cleanup_out_string(state, REC_TYPE_RDR, state->redirect);
if ((encoding = nvtable_find(state->attr, MAIL_ATTR_ENCODING)) != 0)
cleanup_out_format(state, REC_TYPE_ATTR, "%s=%s",
MAIL_ATTR_ENCODING, encoding);
if (state->return_receipt)
cleanup_out_string(state, REC_TYPE_RRTO, state->return_receipt);
if (state->errors_to)
cleanup_out_string(state, REC_TYPE_ERTO, state->errors_to);
state->flags |= CLEANUP_FLAG_INRCPT;
}
/*
* Extracted envelope recipient record processing.
*/
if (type == REC_TYPE_RCPT) {
if (state->sender == 0) { /* protect showq */
msg_warn("%s: message rejected: envelope recipient precedes sender",
state->queue_id);
state->errs |= CLEANUP_STAT_BAD;
return;
}
if (state->orig_rcpt == 0)
state->orig_rcpt = mystrdup(buf);
cleanup_addr_recipient(state, buf);
myfree(state->orig_rcpt);
state->orig_rcpt = 0;
return;
}
if (type == REC_TYPE_DONE) {
if (state->orig_rcpt != 0) {
myfree(state->orig_rcpt);
state->orig_rcpt = 0;
}
return;
}
if (state->orig_rcpt != 0) {
/* REC_TYPE_ORCP must be followed by REC_TYPE_RCPT or REC_TYPE DONE. */
msg_warn("%s: ignoring out-of-order original recipient record <%.200s>",
state->queue_id, buf);
myfree(state->orig_rcpt);
state->orig_rcpt = 0;
}
if (type == REC_TYPE_ORCP) {
state->orig_rcpt = mystrdup(buf);
return;
}
if (type == REC_TYPE_END) {
state->flags &= ~CLEANUP_FLAG_INRCPT;
state->flags |= CLEANUP_FLAG_END_SEEN;
cleanup_extracted_finish(state);
return;
}
/*
* Extracted envelope non-recipient record processing.
*/
if (state->flags & CLEANUP_FLAG_INRCPT)
/* Tell qmgr that recipient records are mixed with other information. */
state->qmgr_opts |= QMGR_READ_FLAG_MIXED_RCPT_OTHER;
if (strchr(generated_by_cleanup, type) != 0) {
/* Use our own header/body info instead. */
return;
} else {
/* Pass on other non-recipient record. */
cleanup_out(state, type, buf, len);
return;
}
}