xalloca(parsed_host, char *, strlen(idp->id) + 1);
ctl->smtphost = idp->id; /* remember last host tried. */
+ if(ctl->smtphost[0]=='/')
+ ctl->listener = LMTP_MODE;
strcpy(parsed_host, idp->id);
if ((cp = strrchr(parsed_host, '/')))
#endif /* INET6_ENABLE */
}
+ if (ctl->smtphost[0]=='/'){
+ if((ctl->smtp_socket = UnixOpen(ctl->smtphost))==-1)
+ continue;
+ } else
if ((ctl->smtp_socket = SockOpen(parsed_host,portnum,NULL,
ctl->server.plugout)) == -1)
continue;
* enforce this. Now that we have the actual hostname,
* compute what we should canonicalize with.
*/
- ctl->destaddr = ctl->smtpaddress ? ctl->smtpaddress : ( ctl->smtphost ? ctl->smtphost : "localhost");
+ ctl->destaddr = ctl->smtpaddress ? ctl->smtpaddress : ( ctl->smtphost && ctl->smtphost[0] != '/' ? ctl->smtphost : "localhost");
if (outlevel >= O_DEBUG && ctl->smtp_socket != -1)
report(stdout, _("forwarding to %s\n"), ctl->smtphost);
/* these are shared by open_sink and stuffline */
static FILE *sinkfp;
+#ifndef HAVE_SIGACTION
static RETSIGTYPE (*sigchld)(int);
+#else
+static struct sigaction sa_old;
+#endif /* HAVE_SIGACTION */
int stuffline(struct query *ctl, char *buf)
/* ship a line to the given control block's output sink (SMTP server or MDA) */
/* bounce back an error report a la RFC 1892 */
{
char daemon_name[18 + HOSTLEN] = "FETCHMAIL-DAEMON@";
- char boundary[BUFSIZ], *ts, *bounce_to;
+ char boundary[BUFSIZ], *bounce_to;
int sock;
/* don't bounce in reply to undeliverable bounces */
"foo-mani-padme-hum-%d-%d-%ld",
(int)getpid(), (int)getppid(), time((time_t *)NULL));
- ts = rfc822timestamp();
-
if (outlevel >= O_VERBOSE)
- report(stdout, "SMTP: (bounce-message body)\n");
+ report(stdout, _("SMTP: (bounce-message body)\n"));
else
/* this will usually go to sylog... */
- report(stderr, "mail from %s bounced to %s\n",
+ report(stderr, _("mail from %s bounced to %s\n"),
daemon_name, bounce_to);
/* bouncemail headers */
/* Minimum RFC1894 compliance + Diagnostic-Code field */
SockPrintf(sock, "\r\n");
SockPrintf(sock, "Final-Recipient: rfc822; %s\r\n", idp->id);
- SockPrintf(sock, "Last-Attempt-Date: %s\r\n", ts);
+ SockPrintf(sock, "Last-Attempt-Date: %s\r\n", rfc822timestamp());
SockPrintf(sock, "Action: failed\r\n");
if (nerrors == 1)
xalloca(responses[0], char *, strlen(smtp_response)+1);
strcpy(responses[0], smtp_response);
- SMTP_rset(ctl->smtp_socket); /* stay on the safe site */
+ SMTP_rset(ctl->smtp_socket); /* stay on the safe side */
if (outlevel >= O_DEBUG)
- report(stdout, "Saved error is still %d\n", smtperr);
+ report(stdout, _("Saved error is still %d\n"), smtperr);
/*
* Note: send_bouncemail message strings are not made subject
* coming from this address, probably due to an
* anti-spam domain exclusion. Respect this. Don't
* try to ship the message, and don't prevent it from
- * being deleted. Default values:
+ * being deleted. There's no point in bouncing the
+ * email either since most spammers don't put their
+ * real return email address anywhere in the headers
+ * (unless the user insists with the SET SPAMBOUNCE
+ * config option).
+ *
+ * Default values:
*
* 571 = sendmail's "unsolicited email refused"
* 550 = exim's new antispam response (temporary)
* 554 = Postfix antispam response.
*
*/
- send_bouncemail(ctl, msg, XMIT_ACCEPT,
+ if (run.spambounce)
+ send_bouncemail(ctl, msg, XMIT_ACCEPT,
"Our spam filter rejected this transaction.\r\n",
1, responses);
return(PS_REFUSED);
if (smtperr >= 400)
report(stderr, _("%cMTP error: %s\n"),
ctl->listener,
- smtp_response);
+ responses[0]);
switch (smtperr)
{
/* set up sinkfp to be an input sink we can ship a message to */
{
struct idlist *idp;
+#ifdef HAVE_SIGACTION
+ struct sigaction sa_new;
+#endif /* HAVE_SIGACTION */
*bad_addresses = *good_addresses = 0;
for (idp = msg->recipients; idp; idp = idp->next)
if (idp->val.status.mark == XMIT_ACCEPT)
{
- if (strchr(idp->id, '@'))
- fprintf(sinkfp,
- "RCPT TO: %s\r\n", idp->id);
+ if (ctl->smtpname)
+ fprintf(sinkfp, "RCPT TO: %s\r\n", ctl->smtpname);
+ else if (strchr(idp->id, '@'))
+ fprintf(sinkfp,
+ "RCPT TO: %s\r\n", idp->id);
else
fprintf(sinkfp,
- "RCPT TO: %s@%s\r\n", idp->id, ctl->destaddr);
+ "RCPT TO: %s@%s\r\n", idp->id, ctl->destaddr);
*good_addresses = 0;
}
return(PS_BSMTP);
}
}
- else if (ctl->mda) /* we have a declared MDA */
+
+ /*
+ * Try to forward to an SMTP or LMTP listener. If the attempt to
+ * open a socket fails, fall through to attempt delivery via
+ * local MDA.
+ */
+ else if (!ctl->mda && smtp_open(ctl) != -1)
+ {
+ const char *ap;
+ char options[MSGBUFSIZE];
+ char addr[HOSTLEN+USERNAMELEN+1];
+ char **from_responses;
+ int total_addresses;
+
+ /*
+ * Compute ESMTP options.
+ */
+ options[0] = '\0';
+ if (ctl->server.esmtp_options & ESMTP_8BITMIME) {
+ if (ctl->pass8bits || (ctl->mimemsg & MSG_IS_8BIT))
+ strcpy(options, " BODY=8BITMIME");
+ else if (ctl->mimemsg & MSG_IS_7BIT)
+ strcpy(options, " BODY=7BIT");
+ }
+
+ if ((ctl->server.esmtp_options & ESMTP_SIZE) && msg->reallen > 0)
+ sprintf(options + strlen(options), " SIZE=%d", msg->reallen);
+
+ /*
+ * Try to get the SMTP listener to take the Return-Path
+ * address as MAIL FROM. If it won't, fall back on the
+ * remotename and mailserver host. This won't affect replies,
+ * which use the header From address anyway; the MAIL FROM
+ * address is a place for the SMTP listener to send
+ * bouncemail. The point is to guarantee a FQDN in the MAIL
+ * FROM line -- some SMTP listeners, like smail, become
+ * unhappy otherwise.
+ *
+ * RFC 1123 requires that the domain name part of the
+ * MAIL FROM address be "canonicalized", that is a
+ * FQDN or MX but not a CNAME. We'll assume the Return-Path
+ * header is already in this form here (it certainly
+ * is if rewrite is on). RFC 1123 is silent on whether
+ * a nonexistent hostname part is considered canonical.
+ *
+ * This is a potential problem if the MTAs further upstream
+ * didn't pass canonicalized From/Return-Path lines, *and* the
+ * local SMTP listener insists on them.
+ */
+ if (!msg->return_path[0])
+ {
+ sprintf(addr, "%s@%s", ctl->remotename, ctl->server.truename);
+ ap = addr;
+ }
+ else if (strchr(msg->return_path, '@'))
+ ap = msg->return_path;
+ else /* in case Return-Path existed but was local */
+ {
+ sprintf(addr, "%s@%s", msg->return_path, ctl->server.truename);
+ ap = addr;
+ }
+
+ if (SMTP_from(ctl->smtp_socket, ap, options) != SM_OK)
+ return(handle_smtp_report(ctl, msg));
+
+ /*
+ * Now list the recipient addressees
+ */
+ total_addresses = 0;
+ for (idp = msg->recipients; idp; idp = idp->next)
+ total_addresses++;
+ xalloca(from_responses, char **, sizeof(char *) * total_addresses);
+ for (idp = msg->recipients; idp; idp = idp->next)
+ if (idp->val.status.mark == XMIT_ACCEPT)
+ {
+ if (strchr(idp->id, '@'))
+ strcpy(addr, idp->id);
+ else {
+ if (ctl->smtpname) {
+#ifdef HAVE_SNPRINTF
+ snprintf(addr, sizeof(addr)-1, "%s", ctl->smtpname);
+#else
+ sprintf(addr, "%s", ctl->smtpname);
+#endif /* HAVE_SNPRINTF */
+
+ } else {
+#ifdef HAVE_SNPRINTF
+ snprintf(addr, sizeof(addr)-1, "%s@%s", idp->id, ctl->destaddr);
+#else
+ sprintf(addr, "%s@%s", idp->id, ctl->destaddr);
+#endif /* HAVE_SNPRINTF */
+ }
+ }
+ if (SMTP_rcpt(ctl->smtp_socket, addr) == SM_OK)
+ (*good_addresses)++;
+ else
+ {
+ char errbuf[POPBUFSIZE];
+ int res;
+
+ if ((res = handle_smtp_report(ctl, msg))==PS_REFUSED)
+ return(PS_REFUSED);
+
+ strcpy(errbuf, idp->id);
+ strcat(errbuf, ": ");
+ strcat(errbuf, smtp_response);
+
+ xalloca(from_responses[*bad_addresses],
+ char *,
+ strlen(errbuf)+1);
+ strcpy(from_responses[*bad_addresses], errbuf);
+
+ (*bad_addresses)++;
+ idp->val.status.mark = XMIT_RCPTBAD;
+ if (outlevel >= O_VERBOSE)
+ report(stderr,
+ _("%cMTP listener doesn't like recipient address `%s'\n"),
+ ctl->listener, addr);
+ }
+ }
+ if (*bad_addresses)
+ send_bouncemail(ctl, msg, XMIT_RCPTBAD,
+ "Some addresses were rejected by the MDA fetchmail forwards to.\r\n",
+ *bad_addresses, from_responses);
+ /*
+ * It's tempting to do local notification only if bouncemail was
+ * insufficient -- that is, to add && total_addresses > *bad_addresses
+ * to the test here. The problem with this theory is that it would
+ * make initial diagnosis of a broken multidrop configuration very
+ * hard -- most single-recipient messages would just invisibly bounce.
+ */
+ if (!(*good_addresses))
+ {
+ if (strchr(run.postmaster, '@'))
+ strcpy(addr, run.postmaster);
+ else
+ {
+#ifdef HAVE_SNPRINTF
+ snprintf(addr, sizeof(addr)-1, "%s@%s", run.postmaster, ctl->destaddr);
+#else
+ sprintf(addr, "%s@%s", run.postmaster, ctl->destaddr);
+#endif /* HAVE_SNPRINTF */
+ }
+
+ if (SMTP_rcpt(ctl->smtp_socket, addr) != SM_OK)
+ {
+ report(stderr, _("can't even send to %s!\n"), run.postmaster);
+ SMTP_rset(ctl->smtp_socket); /* required by RFC1870 */
+ return(PS_SMTP);
+ }
+
+ if (outlevel >= O_VERBOSE)
+ report(stderr, _("no address matches; forwarding to %s.\n"), run.postmaster);
+ }
+
+ /*
+ * Tell the listener we're ready to send data.
+ * Some listeners (like zmailer) may return antispam errors here.
+ */
+ if (SMTP_data(ctl->smtp_socket) != SM_OK)
+ return(handle_smtp_report(ctl, msg));
+ }
+
+ /*
+ * Awkward case. User didn't specify an MDA. Our attempt to get a
+ * listener socket failed. Try to cope anyway -- initial configuration
+ * may have found procmail.
+ */
+ else if (!ctl->mda)
+ {
+ report(stderr, _("%cMTP connect to %s failed\n"),
+ ctl->listener,
+ ctl->smtphost ? ctl->smtphost : "localhost");
+
+#ifndef FALLBACK_MDA
+ /* No fallback MDA declared. Bail out. */
+ return(PS_SMTP);
+#else
+ /*
+ * If user had things set up to forward offsite, no way
+ * we want to deliver locally!
+ */
+ if (ctl->smtphost && strcmp(ctl->smtphost, "localhost"))
+ return(PS_SMTP);
+
+ /*
+ * User was delivering locally. We have a fallback MDA.
+ * Latch it in place, logging the error, and fall through.
+ */
+ ctl->mda = FALLBACK_MDA;
+
+ report(stderr, _("can't raise the listener; falling back to " FALLBACK_MDA));
+#endif
+ }
+
+ if (ctl->mda) /* must deliver through an MDA */
{
int length = 0, fromlen = 0, nameslen = 0;
char *names = NULL, *before, *after, *from = NULL;
return(PS_IOERR);
}
+#ifndef HAVE_SIGACTION
sigchld = signal(SIGCHLD, SIG_DFL);
- }
- else /* forward to an SMTP or LMTP listener */
- {
- const char *ap;
- char options[MSGBUFSIZE];
- char addr[HOSTLEN+USERNAMELEN+1];
- char **from_responses;
- int total_addresses;
-
- /* build a connection to the SMTP listener */
- if ((smtp_open(ctl) == -1))
- {
- report(stderr, _("%cMTP connect to %s failed\n"),
- ctl->listener,
- ctl->smtphost ? ctl->smtphost : "localhost");
- return(PS_SMTP);
- }
-
- /*
- * Compute ESMTP options.
- */
- options[0] = '\0';
- if (ctl->server.esmtp_options & ESMTP_8BITMIME) {
- if (ctl->pass8bits || (ctl->mimemsg & MSG_IS_8BIT))
- strcpy(options, " BODY=8BITMIME");
- else if (ctl->mimemsg & MSG_IS_7BIT)
- strcpy(options, " BODY=7BIT");
- }
-
- if ((ctl->server.esmtp_options & ESMTP_SIZE) && msg->reallen > 0)
- sprintf(options + strlen(options), " SIZE=%d", msg->reallen);
-
- /*
- * Try to get the SMTP listener to take the Return-Path
- * address as MAIL FROM. If it won't, fall back on the
- * remotename and mailserver host. This won't affect replies,
- * which use the header From address anyway; the MAIL FROM
- * address is a place for the SMTP listener to send
- * bouncemail. The point is to guarantee a FQDN in the MAIL
- * FROM line -- some SMTP listeners, like smail, become
- * unhappy otherwise.
- *
- * RFC 1123 requires that the domain name part of the
- * MAIL FROM address be "canonicalized", that is a
- * FQDN or MX but not a CNAME. We'll assume the Return-Path
- * header is already in this form here (it certainly
- * is if rewrite is on). RFC 1123 is silent on whether
- * a nonexistent hostname part is considered canonical.
- *
- * This is a potential problem if the MTAs further upstream
- * didn't pass canonicalized From/Return-Path lines, *and* the
- * local SMTP listener insists on them.
- */
- if (!msg->return_path[0])
- {
- sprintf(addr, "%s@%s", ctl->remotename, ctl->server.truename);
- ap = addr;
- }
- else if (strchr(msg->return_path, '@'))
- ap = msg->return_path;
- else /* in case Return-Path existed but was local */
- {
- sprintf(addr, "%s@%s", msg->return_path, ctl->server.truename);
- ap = addr;
- }
-
- if (SMTP_from(ctl->smtp_socket, ap, options) != SM_OK)
- return(handle_smtp_report(ctl, msg));
-
- /*
- * Now list the recipient addressees
- */
- total_addresses = 0;
- for (idp = msg->recipients; idp; idp = idp->next)
- total_addresses++;
- xalloca(from_responses, char **, sizeof(char *) * total_addresses);
- for (idp = msg->recipients; idp; idp = idp->next)
- if (idp->val.status.mark == XMIT_ACCEPT)
- {
- if (strchr(idp->id, '@'))
- strcpy(addr, idp->id);
- else
-#ifdef HAVE_SNPRINTF
- snprintf(addr, sizeof(addr)-1, "%s@%s", idp->id, ctl->destaddr);
-#else
- sprintf(addr, "%s@%s", idp->id, ctl->destaddr);
-#endif /* HAVE_SNPRINTF */
-
- if (SMTP_rcpt(ctl->smtp_socket, addr) == SM_OK)
- (*good_addresses)++;
- else
- {
- char errbuf[POPBUFSIZE];
-
- strcpy(errbuf, idp->id);
- strcat(errbuf, ": ");
- strcat(errbuf, smtp_response);
-
- xalloca(from_responses[*bad_addresses],
- char *,
- strlen(errbuf)+1);
- strcpy(from_responses[*bad_addresses], errbuf);
-
- (*bad_addresses)++;
- idp->val.status.mark = XMIT_RCPTBAD;
- if (outlevel >= O_VERBOSE)
- report(stderr,
- _("%cMTP listener doesn't like recipient address `%s'\n"),
- ctl->listener, addr);
- }
- }
- if (*bad_addresses)
- send_bouncemail(ctl, msg, XMIT_RCPTBAD,
- "Some addresses were rejected by the MDA fetchmail forwards to.\r\n",
- *bad_addresses, from_responses);
- /*
- * It's tempting to do local notification only if bouncemail was
- * insufficient -- that is, to add && total_addresses > *bad_addresses
- * to the test here. The problem with this theory is that it would
- * make initial diagnosis of a broken multidrop configuration very
- * hard -- most single-recipient messages would just invisibly bounce.
- */
- if (!(*good_addresses))
- {
- if (strchr(run.postmaster, '@'))
- strcpy(addr, run.postmaster);
- else
- {
-#ifdef HAVE_SNPRINTF
- snprintf(addr, sizeof(addr)-1, "%s@%s", run.postmaster, ctl->destaddr);
#else
- sprintf(addr, "%s@%s", run.postmaster, ctl->destaddr);
-#endif /* HAVE_SNPRINTF */
- }
-
- if (SMTP_rcpt(ctl->smtp_socket, addr) != SM_OK)
- {
- report(stderr, _("can't even send to %s!\n"), run.postmaster);
- SMTP_rset(ctl->smtp_socket); /* required by RFC1870 */
- return(PS_SMTP);
- }
-
- if (outlevel >= O_VERBOSE)
- report(stderr, _("no address matches; forwarding to %s.\n"), run.postmaster);
- }
-
- /*
- * Tell the listener we're ready to send data.
- * Some listeners (like zmailer) may return antispam errors here.
- */
- if (SMTP_data(ctl->smtp_socket) != SM_OK)
- return(handle_smtp_report(ctl, msg));
+ memset (&sa_new, 0, sizeof sa_new);
+ sigemptyset (&sa_new.sa_mask);
+ sa_new.sa_handler = SIG_DFL;
+ sigaction (SIGCHLD, &sa_new, &sa_old);
+#endif /* HAVE_SIGACTION */
}
/*
pclose(sinkfp);
sinkfp = (FILE *)NULL;
}
+#ifndef HAVE_SIGACTION
signal(SIGCHLD, sigchld);
+#else
+ sigaction (SIGCHLD, &sa_old, NULL);
+#endif /* HAVE_SIGACTION */
}
}
}
else
rc = 0;
+#ifndef HAVE_SIGACTION
signal(SIGCHLD, sigchld);
+#else
+ sigaction (SIGCHLD, &sa_old, NULL);
+#endif /* HAVE_SIGACTION */
if (rc)
{
report(stderr,
void close_warning_by_mail(struct query *ctl, struct msgblk *msg)
/* sign and send mailed warnings */
{
- stuff_warning(ctl, "--\r\n\t\t\t\tThe Fetchmail Daemon\r\n");
+ stuff_warning(ctl, _("--\r\n\t\t\t\tThe Fetchmail Daemon\r\n"));
close_sink(ctl, msg, TRUE);
}
projects / ~andy / fetchmail / blobdiff