void smtp_chat_notify(SMTP_SESSION *session)
{
const char *myname = "smtp_chat_notify";
VSTREAM *notice;
char **cpp;
/*
* Sanity checks.
*/
if (session->history == 0)
msg_panic("%s: no conversation history", myname);
if (msg_verbose)
msg_info("%s: notify postmaster", myname);
/*
* Construct a message for the postmaster, explaining what this is all
* about. This is junk mail: don't send it when the mail posting service
* is unavailable, and use the double bounce sender address, to prevent
* mail bounce wars. Always prepend one space to message content that we
* generate from untrusted data.
*/
#define NULL_TRACE_FLAGS 0
#define NO_QUEUE_ID ((VSTRING *) 0)
#define LENGTH 78
#define INDENT 4
notice = post_mail_fopen_nowait(mail_addr_double_bounce(),
var_error_rcpt,
MAIL_SRC_MASK_NOTIFY, NULL_TRACE_FLAGS,
SMTPUTF8_FLAG_NONE, NO_QUEUE_ID);
if (notice == 0) {
msg_warn("postmaster notify: %m");
return;
}
post_mail_fprintf(notice, "From: %s (Mail Delivery System)",
mail_addr_mail_daemon());
post_mail_fprintf(notice, "To: %s (Postmaster)", var_error_rcpt);
post_mail_fprintf(notice, "Subject: %s %s client: errors from %s",
var_mail_name, smtp_mode ? "SMTP" : "LMTP",
session->namaddrport);
post_mail_fputs(notice, "");
post_mail_fprintf(notice, "Unexpected response from %s.",
session->namaddrport);
post_mail_fputs(notice, "");
post_mail_fputs(notice, "Transcript of session follows.");
post_mail_fputs(notice, "");
argv_terminate(session->history);
for (cpp = session->history->argv; *cpp; cpp++)
line_wrap(printable(*cpp, '?'), LENGTH, INDENT, print_line,
(void *) notice);
post_mail_fputs(notice, "");
post_mail_fprintf(notice, "For other details, see the local mail logfile");
(void) post_mail_fclose(notice);
}
static void post_mail_init(VSTREAM *stream, const char *sender,
const char *recipient,
int filter_class, int trace_flags,
VSTRING *queue_id)
{
VSTRING *id = queue_id ? queue_id : vstring_alloc(100);
struct timeval now;
const char *date;
int cleanup_flags =
int_filt_flags(filter_class) | CLEANUP_FLAG_MASK_INTERNAL;
GETTIMEOFDAY(&now);
date = mail_date(now.tv_sec);
/*
* Negotiate with the cleanup service. Give up if we can't agree.
*/
if (attr_scan(stream, ATTR_FLAG_STRICT,
ATTR_TYPE_STR, MAIL_ATTR_QUEUEID, id,
ATTR_TYPE_END) != 1
|| attr_print(stream, ATTR_FLAG_NONE,
ATTR_TYPE_INT, MAIL_ATTR_FLAGS, cleanup_flags,
ATTR_TYPE_END) != 0)
msg_fatal("unable to contact the %s service", var_cleanup_service);
/*
* Generate a minimal envelope section. The cleanup service will add a
* size record.
*/
rec_fprintf(stream, REC_TYPE_TIME, REC_TYPE_TIME_FORMAT,
REC_TYPE_TIME_ARG(now));
rec_fprintf(stream, REC_TYPE_ATTR, "%s=%s",
MAIL_ATTR_LOG_ORIGIN, MAIL_ATTR_ORG_LOCAL);
rec_fprintf(stream, REC_TYPE_ATTR, "%s=%d",
MAIL_ATTR_TRACE_FLAGS, trace_flags);
rec_fputs(stream, REC_TYPE_FROM, sender);
rec_fputs(stream, REC_TYPE_RCPT, recipient);
rec_fputs(stream, REC_TYPE_MESG, "");
/*
* Do the Received: and Date: header lines. This allows us to shave a few
* cycles by using the expensive date conversion result for both.
*/
post_mail_fprintf(stream, "Received: by %s (%s)",
var_myhostname, var_mail_name);
post_mail_fprintf(stream, "\tid %s; %s", vstring_str(id), date);
post_mail_fprintf(stream, "Date: %s", date);
if (queue_id == 0)
vstring_free(id);
}
void smtpd_chat_notify(SMTPD_STATE *state)
{
char *myname = "smtpd_chat_notify";
VSTREAM *notice;
char **cpp;
/*
* Sanity checks.
*/
if (state->history == 0)
msg_panic("%s: no conversation history", myname);
if (msg_verbose)
msg_info("%s: notify postmaster", myname);
/*
* Construct a message for the postmaster, explaining what this is all
* about. This is junk mail: don't send it when the mail posting service
* is unavailable, and use the double bounce sender address to prevent
* mail bounce wars. Always prepend one space to message content that we
* generate from untrusted data.
*/
#define NULL_TRACE_FLAGS 0
#define LENGTH 78
#define INDENT 4
notice = post_mail_fopen_nowait(mail_addr_double_bounce(),
var_error_rcpt,
CLEANUP_FLAG_MASK_INTERNAL,
NULL_TRACE_FLAGS);
if (notice == 0) {
msg_warn("postmaster notify: %m");
return;
}
post_mail_fprintf(notice, "From: %s (Mail Delivery System)",
mail_addr_mail_daemon());
post_mail_fprintf(notice, "To: %s (Postmaster)", var_error_rcpt);
post_mail_fprintf(notice, "Subject: %s SMTP server: errors from %s[%s]",
var_mail_name, state->name, state->addr);
post_mail_fputs(notice, "");
post_mail_fputs(notice, "Transcript of session follows.");
post_mail_fputs(notice, "");
argv_terminate(state->history);
for (cpp = state->history->argv; *cpp; cpp++)
line_wrap(printable(*cpp, '?'), LENGTH, INDENT, print_line,
(char *) notice);
post_mail_fputs(notice, "");
if (state->reason)
post_mail_fprintf(notice, "Session aborted, reason: %s", state->reason);
(void) post_mail_fclose(notice);
}
static void print_line(const char *str, int len, int indent, void *context)
{
VSTREAM *notice = (VSTREAM *) context;
post_mail_fprintf(notice, " %*s%.*s", indent, "", len, str);
}
