+ case CONTROL_DSCP:
+ if (*p == '/')
+ {
+ int fd, af, level, optname, value;
+ /* If we are acting on stdin, the setsockopt may fail if stdin is not
+ a socket; we can accept that, we'll just debug-log failures anyway. */
+ fd = fileno(smtp_in);
+ af = ip_get_address_family(fd);
+ if (af < 0)
+ {
+ HDEBUG(D_acl)
+ debug_printf_indent("smtp input is probably not a socket [%s], not setting DSCP\n",
+ strerror(errno));
+ break;
+ }
+ if (dscp_lookup(p+1, af, &level, &optname, &value))
+ {
+ if (setsockopt(fd, level, optname, &value, sizeof(value)) < 0)
+ {
+ HDEBUG(D_acl) debug_printf_indent("failed to set input DSCP[%s]: %s\n",
+ p+1, strerror(errno));
+ }
+ else
+ {
+ HDEBUG(D_acl) debug_printf_indent("set input DSCP to \"%s\"\n", p+1);
+ }
+ }
+ else
+ {
+ *log_msgptr = string_sprintf("unrecognised DSCP value in \"control=%s\"", arg);
+ return ERROR;
+ }
+ }
+ else
+ {
+ *log_msgptr = string_sprintf("syntax error in \"control=%s\"", arg);
+ return ERROR;
+ }
+ break;
+
+ case CONTROL_ERROR:
+ return ERROR;
+
+ case CONTROL_CASEFUL_LOCAL_PART:
+ deliver_localpart = addr->cc_local_part;
+ break;
+
+ case CONTROL_CASELOWER_LOCAL_PART:
+ deliver_localpart = addr->lc_local_part;
+ break;
+
+ case CONTROL_ENFORCE_SYNC:
+ smtp_enforce_sync = TRUE;
+ break;
+
+ case CONTROL_NO_ENFORCE_SYNC:
+ smtp_enforce_sync = FALSE;
+ break;
+
+ #ifdef WITH_CONTENT_SCAN
+ case CONTROL_NO_MBOX_UNSPOOL:
+ f.no_mbox_unspool = TRUE;
+ break;
+ #endif
+
+ case CONTROL_NO_MULTILINE:
+ f.no_multiline_responses = TRUE;
+ break;
+
+ case CONTROL_NO_PIPELINING:
+ f.pipelining_enable = FALSE;
+ break;
+
+ case CONTROL_NO_DELAY_FLUSH:
+ f.disable_delay_flush = TRUE;
+ break;
+
+ case CONTROL_NO_CALLOUT_FLUSH:
+ f.disable_callout_flush = TRUE;
+ break;
+
+ case CONTROL_FAKEREJECT:
+ cancel_cutthrough_connection(TRUE, US"fakereject");
+ case CONTROL_FAKEDEFER:
+ fake_response = (control_type == CONTROL_FAKEDEFER) ? DEFER : FAIL;
+ if (*p == '/')
+ {
+ const uschar *pp = p + 1;
+ while (*pp) pp++;
+ fake_response_text = expand_string(string_copyn(p+1, pp-p-1));
+ p = pp;
+ }
+ else
+ {
+ /* Explicitly reset to default string */
+ fake_response_text = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legitimate message, it may still be delivered to the target recipient(s).";
+ }
+ break;
+
+ case CONTROL_FREEZE:
+ f.deliver_freeze = TRUE;
+ deliver_frozen_at = time(NULL);
+ freeze_tell = freeze_tell_config; /* Reset to configured value */
+ if (Ustrncmp(p, "/no_tell", 8) == 0)
+ {
+ p += 8;
+ freeze_tell = NULL;
+ }
+ if (*p != 0)
+ {
+ *log_msgptr = string_sprintf("syntax error in \"control=%s\"", arg);
+ return ERROR;
+ }
+ cancel_cutthrough_connection(TRUE, US"item frozen");
+ break;
+
+ case CONTROL_QUEUE_ONLY:
+ f.queue_only_policy = TRUE;
+ cancel_cutthrough_connection(TRUE, US"queueing forced");
+ break;
+
+ case CONTROL_SUBMISSION:
+ originator_name = US"";
+ f.submission_mode = TRUE;
+ while (*p == '/')
+ {
+ if (Ustrncmp(p, "/sender_retain", 14) == 0)
+ {
+ p += 14;
+ f.active_local_sender_retain = TRUE;
+ f.active_local_from_check = FALSE;
+ }
+ else if (Ustrncmp(p, "/domain=", 8) == 0)
+ {
+ const uschar *pp = p + 8;
+ while (*pp && *pp != '/') pp++;
+ submission_domain = string_copyn(p+8, pp-p-8);
+ p = pp;
+ }
+ /* The name= option must be last, because it swallows the rest of
+ the string. */
+ else if (Ustrncmp(p, "/name=", 6) == 0)
+ {
+ const uschar *pp = p + 6;
+ while (*pp) pp++;
+ submission_name = string_copy(parse_fix_phrase(p+6, pp-p-6,
+ big_buffer, big_buffer_size));
+ p = pp;
+ }
+ else break;
+ }
+ if (*p != 0)
+ {
+ *log_msgptr = string_sprintf("syntax error in \"control=%s\"", arg);
+ return ERROR;
+ }
+ break;
+
+ case CONTROL_DEBUG:
+ {
+ uschar * debug_tag = NULL;
+ uschar * debug_opts = NULL;
+ BOOL kill = FALSE;
+
+ while (*p == '/')
+ {
+ const uschar * pp = p+1;
+ if (Ustrncmp(pp, "tag=", 4) == 0)
+ {
+ for (pp += 4; *pp && *pp != '/';) pp++;
+ debug_tag = string_copyn(p+5, pp-p-5);
+ }
+ else if (Ustrncmp(pp, "opts=", 5) == 0)
+ {
+ for (pp += 5; *pp && *pp != '/';) pp++;
+ debug_opts = string_copyn(p+6, pp-p-6);
+ }
+ else if (Ustrncmp(pp, "kill", 4) == 0)
+ {
+ for (pp += 4; *pp && *pp != '/';) pp++;
+ kill = TRUE;
+ }
+ else
+ while (*pp && *pp != '/') pp++;
+ p = pp;
+ }