#ifdef SUPPORT_TLS
static BOOL tls_advertised;
#endif
+#ifdef EXPERIMENTAL_DSN
+static BOOL dsn_advertised;
+#endif
static BOOL esmtp;
static BOOL helo_required = FALSE;
static BOOL helo_verify = FALSE;
ENV_MAIL_OPT_SIZE, ENV_MAIL_OPT_BODY, ENV_MAIL_OPT_AUTH,
#ifndef DISABLE_PRDR
ENV_MAIL_OPT_PRDR,
+#endif
+#ifdef EXPERIMENTAL_DSN
+ ENV_MAIL_OPT_RET, ENV_MAIL_OPT_ENVID,
#endif
ENV_MAIL_OPT_NULL
};
{ US"AUTH", ENV_MAIL_OPT_AUTH, TRUE },
#ifndef DISABLE_PRDR
{ US"PRDR", ENV_MAIL_OPT_PRDR, FALSE },
+#endif
+#ifdef EXPERIMENTAL_DSN
+ { US"RET", ENV_MAIL_OPT_RET, TRUE },
+ { US"ENVID", ENV_MAIL_OPT_ENVID, TRUE },
#endif
{ US"NULL", ENV_MAIL_OPT_NULL, FALSE }
};
if (s != NULL) s[ptr] = 0; else s = US"";
log_write(0, LOG_MAIN, "no MAIL in SMTP connection from %s D=%s%s",
host_and_ident(FALSE),
- readconf_printtime(time(NULL) - smtp_connection_start), s);
+ readconf_printtime( (int) ((long)time(NULL) - (long)smtp_connection_start)),
+ s);
}
sender_verified_list = NULL; /* No senders verified */
memset(sender_address_cache, 0, sizeof(sender_address_cache));
memset(sender_domain_cache, 0, sizeof(sender_domain_cache));
+
+#ifdef EXPERIMENTAL_DSN
+/* Reset the DSN flags */
+dsn_ret = 0;
+dsn_envid = NULL;
+#endif
+
authenticated_sender = NULL;
#ifdef EXPERIMENTAL_BRIGHTMAIL
bmi_run = 0;
tls_in.ocsp = OCSP_NOT_REQ;
tls_advertised = FALSE;
#endif
+#ifdef EXPERIMENTAL_DSN
+dsn_advertised = FALSE;
+#endif
/* Reset ACL connection variables */
int ptr, size, rc;
int c, i;
auth_instance *au;
+#ifdef EXPERIMENTAL_DSN
+ uschar *orcpt = NULL;
+ int flags;
+#endif
switch(smtp_read_command(TRUE))
{
#ifdef SUPPORT_TLS
tls_advertised = FALSE;
#endif
+ #ifdef EXPERIMENTAL_DSN
+ dsn_advertised = FALSE;
+ #endif
smtp_code = US"250 "; /* Default response code plus space*/
if (user_msg == NULL)
s = string_cat(s, &size, &ptr, US"-8BITMIME\r\n", 11);
}
+ #ifdef EXPERIMENTAL_DSN
+ /* Advertise DSN support if configured to do so. */
+ if (verify_check_host(&dsn_advertise_hosts) != FAIL)
+ {
+ s = string_cat(s, &size, &ptr, smtp_code, 3);
+ s = string_cat(s, &size, &ptr, US"-DSN\r\n", 6);
+ dsn_advertised = TRUE;
+ }
+ #endif
+
/* Advertise ETRN if there's an ACL checking whether a host is
permitted to issue it; a check is made when any host actually tries. */
arg_error = TRUE;
break;
+ #ifdef EXPERIMENTAL_DSN
+
+ /* Handle the two DSN options, but only if configured to do so (which
+ will have caused "DSN" to be given in the EHLO response). The code itself
+ is included only if configured in at build time. */
+
+ case ENV_MAIL_OPT_RET:
+ if (dsn_advertised) {
+ /* Check if RET has already been set */
+ if (dsn_ret > 0) {
+ synprot_error(L_smtp_syntax_error, 501, NULL,
+ US"RET can be specified once only");
+ goto COMMAND_LOOP;
+ }
+ dsn_ret = (strcmpic(value, US"HDRS") == 0)? dsn_ret_hdrs :
+ (strcmpic(value, US"FULL") == 0)? dsn_ret_full : 0;
+ DEBUG(D_receive) debug_printf("DSN_RET: %d\n", dsn_ret);
+ /* Check for invalid invalid value, and exit with error */
+ if (dsn_ret == 0) {
+ synprot_error(L_smtp_syntax_error, 501, NULL,
+ US"Value for RET is invalid");
+ goto COMMAND_LOOP;
+ }
+ }
+ break;
+ case ENV_MAIL_OPT_ENVID:
+ if (dsn_advertised) {
+ /* Check if the dsn envid has been already set */
+ if (dsn_envid != NULL) {
+ synprot_error(L_smtp_syntax_error, 501, NULL,
+ US"ENVID can be specified once only");
+ goto COMMAND_LOOP;
+ }
+ dsn_envid = string_copy(value);
+ DEBUG(D_receive) debug_printf("DSN_ENVID: %s\n", dsn_envid);
+ }
+ break;
+ #endif
+
/* Handle the AUTH extension. If the value given is not "<>" and either
the ACL says "yes" or there is no ACL but the sending host is
authenticated, we set it up as the authenticated sender. However, if the
rcpt_fail_count++;
break;
}
+
+ #ifdef EXPERIMENTAL_DSN
+ /* Set the DSN flags orcpt and dsn_flags from the session*/
+ orcpt = NULL;
+ flags = 0;
+
+ if (esmtp) for(;;)
+ {
+ uschar *name, *value, *end;
+ int size;
+
+ if (!extract_option(&name, &value))
+ {
+ break;
+ }
+
+ if (dsn_advertised && strcmpic(name, US"ORCPT") == 0)
+ {
+ /* Check whether orcpt has been already set */
+ if (orcpt != NULL) {
+ synprot_error(L_smtp_syntax_error, 501, NULL,
+ US"ORCPT can be specified once only");
+ goto COMMAND_LOOP;
+ }
+ orcpt = string_copy(value);
+ DEBUG(D_receive) debug_printf("DSN orcpt: %s\n", orcpt);
+ }
+
+ else if (dsn_advertised && strcmpic(name, US"NOTIFY") == 0)
+ {
+ /* Check if the notify flags have been already set */
+ if (flags > 0) {
+ synprot_error(L_smtp_syntax_error, 501, NULL,
+ US"NOTIFY can be specified once only");
+ goto COMMAND_LOOP;
+ }
+ if (strcmpic(value, US"NEVER") == 0) flags |= rf_notify_never; else
+ {
+ uschar *p = value;
+ while (*p != 0)
+ {
+ uschar *pp = p;
+ while (*pp != 0 && *pp != ',') pp++;
+ if (*pp == ',') *pp++ = 0;
+ if (strcmpic(p, US"SUCCESS") == 0) {
+ DEBUG(D_receive) debug_printf("DSN: Setting notify success\n");
+ flags |= rf_notify_success;
+ }
+ else if (strcmpic(p, US"FAILURE") == 0) {
+ DEBUG(D_receive) debug_printf("DSN: Setting notify failure\n");
+ flags |= rf_notify_failure;
+ }
+ else if (strcmpic(p, US"DELAY") == 0) {
+ DEBUG(D_receive) debug_printf("DSN: Setting notify delay\n");
+ flags |= rf_notify_delay;
+ }
+ else {
+ /* Catch any strange values */
+ synprot_error(L_smtp_syntax_error, 501, NULL,
+ US"Invalid value for NOTIFY parameter");
+ goto COMMAND_LOOP;
+ }
+ p = pp;
+ }
+ DEBUG(D_receive) debug_printf("DSN Flags: %x\n", flags);
+ }
+ }
+
+ /* Unknown option. Stick back the terminator characters and break
+ the loop. An error for a malformed address will occur. */
+
+ else
+ {
+ DEBUG(D_receive) debug_printf("Invalid RCPT option: %s : %s\n", name, value);
+ name[-1] = ' ';
+ value[-1] = '=';
+ break;
+ }
+ }
+ #endif
/* Apply SMTP rewriting then extract the working address. Don't allow "<>"
as a recipient address */
if (user_msg == NULL) smtp_printf("250 Accepted\r\n");
else smtp_user_msg(US"250", user_msg);
receive_add_recipient(recipient, -1);
+
+ #ifdef EXPERIMENTAL_DSN
+ /* Set the dsn flags in the recipients_list */
+ if (orcpt != NULL)
+ recipients_list[recipients_count-1].orcpt = orcpt;
+ else
+ recipients_list[recipients_count-1].orcpt = NULL;
+
+ if (flags != 0)
+ recipients_list[recipients_count-1].dsn_flags = flags;
+ else
+ recipients_list[recipients_count-1].dsn_flags = 0;
+ DEBUG(D_receive) debug_printf("DSN: orcpt: %s flags: %d\n", recipients_list[recipients_count-1].orcpt, recipients_list[recipients_count-1].dsn_flags);
+ #endif
+
}
/* The recipient was discarded */