15 files changed, 803 insertions, 0 deletions
diff --git a/test/confs/4032 b/test/confs/4032
new file mode 100644
index 000000000..9dbe36b9c
--- /dev/null
+++ b/test/confs/4032
@@ -0,0 +1,41 @@
+# Exim test configuration 4032
+# XCLIENT proxy
+
+.ifdef OPTION
+.include DIR/aux-var/tls_conf_prefix
+.else
+.include DIR/aux-var/std_conf_prefix
+.endif
+
+primary_hostname = myhost.test.ex
+hosts_xclient = HOSTIPV4
+queue_only
+
+# ----- Main settings -----
+
+log_selector = +proxy +incoming_port
+
+acl_smtp_rcpt = r_acl
+
+
+begin acl
+
+r_acl:
+  accept
+	logwrite = tls session:   ${if def:tls_in_cipher {yes}{no}}
+	logwrite = proxy session: $proxy_session
+	logwrite = local          [$received_ip_address]:$received_port
+	logwrite = proxy internal [$proxy_local_address]:$proxy_local_port
+	logwrite = proxy external [$proxy_external_address]:$proxy_external_port
+	logwrite = remote         [$sender_host_address]:$sender_host_port
+
+
+# ----- Routers -----
+
+begin routers
+
+dump:
+  driver = redirect
+  data = :blackhole:
+
+# End
diff --git a/test/confs/4033 b/test/confs/4033
new file mode 120000
index 000000000..06b9789ad
--- /dev/null
+++ b/test/confs/4033
@@ -0,0 +1 @@
+4032
+\ No newline at end of file
diff --git a/test/confs/4034 b/test/confs/4034
new file mode 120000
index 000000000..06b9789ad
--- /dev/null
+++ b/test/confs/4034
@@ -0,0 +1 @@
+4032
+\ No newline at end of file
diff --git a/test/log/4032 b/test/log/4032
new file mode 100644
index 000000000..b02c0c263
--- /dev/null
+++ b/test/log/4032
@@ -0,0 +1,27 @@
+
+******** SERVER ********
+1999-03-02 09:44:33 exim x.yz daemon started: pid=p1234, no queue runs, listening for SMTP on port PORT_D
+1999-03-02 09:44:33 tls session:   no
+1999-03-02 09:44:33 proxy session: no
+1999-03-02 09:44:33 local          [127.0.0.1]:1113
+1999-03-02 09:44:33 proxy internal []:0
+1999-03-02 09:44:33 proxy external []:0
+1999-03-02 09:44:33 remote         [127.0.0.1]:1114
+1999-03-02 09:44:33 10HmaX-0005vi-00 <= a@test.ex H=(plainclient) [127.0.0.1]:1114 P=esmtp S=sss
+1999-03-02 09:44:33 tls session:   no
+1999-03-02 09:44:33 proxy session: yes
+1999-03-02 09:44:33 local          [ip4.ip4.ip4.ip4]:1113
+1999-03-02 09:44:33 proxy internal [ip4.ip4.ip4.ip4]:1115
+1999-03-02 09:44:33 proxy external [10.42.42.42]:1116
+1999-03-02 09:44:33 remote         [127.0.0.2]:1117
+1999-03-02 09:44:33 10HmaY-0005vi-00 <= c@test.ex H=proxylookedupname.net (clienthelo) [127.0.0.2]:1117 P=esmtpa A=xclient:hisloginname PRX=ip4.ip4.ip4.ip4 S=sss
+1999-03-02 09:44:33 tls session:   no
+1999-03-02 09:44:33 proxy session: yes
+1999-03-02 09:44:33 local          [ip4.ip4.ip4.ip4]:1113
+1999-03-02 09:44:33 proxy internal [127.0.0.2]:1117
+1999-03-02 09:44:33 proxy external [10.42.42.42]:1116
+1999-03-02 09:44:33 remote         [127.0.0.3]:1111
+1999-03-02 09:44:33 10HmaZ-0005vi-00 <= c2@test.ex H=(anotherhelo) [127.0.0.3]:1111 P=esmtp PRX=127.0.0.2 S=sss
+1999-03-02 09:44:33 rejected XCLIENT from (anotherhelo) [127.0.0.3]:1111: mail transaction in progress
+1999-03-02 09:44:33 rejected MAIL from miss.ehlo.after.xclient (anotherhelo) [127.0.0.3]:1111: no HELO/EHLO given
+1999-03-02 09:44:33 SMTP call from (xclientproxy) [ip4.ip4.ip4.ip4]:1112 dropped: too many syntax or protocol errors (last command was "XCLIENT SIXSIX=",  C=EHLO,XCLIENT,XCLIENT,XCLIENT,XCLIENT)
diff --git a/test/log/4034 b/test/log/4034
new file mode 100644
index 000000000..9ec307501
--- /dev/null
+++ b/test/log/4034
@@ -0,0 +1,29 @@
+
+******** SERVER ********
+1999-03-02 09:44:33 Warning: No server certificate defined; will use a selfsigned one.
+ Suggested action: either install a certificate or change tls_advertise_hosts option
+1999-03-02 09:44:33 exim x.yz daemon started: pid=p1234, no queue runs, listening for SMTP on port PORT_D
+1999-03-02 09:44:33 tls session:   yes
+1999-03-02 09:44:33 proxy session: no
+1999-03-02 09:44:33 local          [127.0.0.1]:1113
+1999-03-02 09:44:33 proxy internal []:0
+1999-03-02 09:44:33 proxy external []:0
+1999-03-02 09:44:33 remote         [127.0.0.1]:1114
+1999-03-02 09:44:33 10HmaX-0005vi-00 <= a@test.ex H=(plainclient) [127.0.0.1]:1114 P=esmtps X=TLS1.x:ke-RSA-AES256-SHAnnn:xxx CV=no S=sss
+1999-03-02 09:44:33 tls session:   yes
+1999-03-02 09:44:33 proxy session: yes
+1999-03-02 09:44:33 local          [ip4.ip4.ip4.ip4]:1113
+1999-03-02 09:44:33 proxy internal [ip4.ip4.ip4.ip4]:1115
+1999-03-02 09:44:33 proxy external [10.42.42.42]:1116
+1999-03-02 09:44:33 remote         [127.0.0.2]:1117
+1999-03-02 09:44:33 10HmaY-0005vi-00 <= c@test.ex H=proxylookedupname.net (clienthelo) [127.0.0.2]:1117 P=esmtpsa X=TLS1.x:ke-RSA-AES256-SHAnnn:xxx CV=no A=xclient:hisloginname PRX=ip4.ip4.ip4.ip4 S=sss
+1999-03-02 09:44:33 tls session:   yes
+1999-03-02 09:44:33 proxy session: yes
+1999-03-02 09:44:33 local          [ip4.ip4.ip4.ip4]:1113
+1999-03-02 09:44:33 proxy internal [127.0.0.2]:1117
+1999-03-02 09:44:33 proxy external [10.42.42.42]:1116
+1999-03-02 09:44:33 remote         [127.0.0.3]:1111
+1999-03-02 09:44:33 10HmaZ-0005vi-00 <= c2@test.ex H=(anotherhelo) [127.0.0.3]:1111 P=esmtps X=TLS1.x:ke-RSA-AES256-SHAnnn:xxx CV=no PRX=127.0.0.2 S=sss
+1999-03-02 09:44:33 rejected XCLIENT from (anotherhelo) [127.0.0.3]:1111: mail transaction in progress
+1999-03-02 09:44:33 rejected MAIL from miss.ehlo.after.xclient (anotherhelo) [127.0.0.3]:1111: no HELO/EHLO given
+1999-03-02 09:44:33 SMTP call from (xclientproxy) [ip4.ip4.ip4.ip4]:1112 dropped: too many syntax or protocol errors (last command was "XCLIENT SIXSIX=",  C=EHLO,STARTTLS,EHLO,XCLIENT,XCLIENT,XCLIENT,XCLIENT)
diff --git a/test/rejectlog/4032 b/test/rejectlog/4032
new file mode 100644
index 000000000..96c50b75e
--- /dev/null
+++ b/test/rejectlog/4032
@@ -0,0 +1,5 @@
+
+******** SERVER ********
+1999-03-02 09:44:33 rejected XCLIENT from (anotherhelo) [127.0.0.3]:1111: mail transaction in progress
+1999-03-02 09:44:33 rejected MAIL from miss.ehlo.after.xclient (anotherhelo) [127.0.0.3]:1111: no HELO/EHLO given
+1999-03-02 09:44:33 SMTP call from (xclientproxy) [ip4.ip4.ip4.ip4]:1112 dropped: too many syntax or protocol errors (last command was "XCLIENT SIXSIX=",  C=EHLO,XCLIENT,XCLIENT,XCLIENT,XCLIENT)
diff --git a/test/rejectlog/4034 b/test/rejectlog/4034
new file mode 100644
index 000000000..de477a533
--- /dev/null
+++ b/test/rejectlog/4034
@@ -0,0 +1,5 @@
+
+******** SERVER ********
+1999-03-02 09:44:33 rejected XCLIENT from (anotherhelo) [127.0.0.3]:1111: mail transaction in progress
+1999-03-02 09:44:33 rejected MAIL from miss.ehlo.after.xclient (anotherhelo) [127.0.0.3]:1111: no HELO/EHLO given
+1999-03-02 09:44:33 SMTP call from (xclientproxy) [ip4.ip4.ip4.ip4]:1112 dropped: too many syntax or protocol errors (last command was "XCLIENT SIXSIX=",  C=EHLO,STARTTLS,EHLO,XCLIENT,XCLIENT,XCLIENT,XCLIENT)
diff --git a/test/runtest b/test/runtest
index 8d96e13bd..53e12d412 100755
--- a/test/runtest
+++ b/test/runtest
@@ -1387,6 +1387,9 @@ RESET_AFTER_EXTRA_LINE_READ:
       }
     next if / in limits_advertise_hosts?\? no \(matched "!\*"\)/;
 
+    # Experimental_XCLIENT
+    next if / in hosts_xclient?\? no \(option unset\)/;
+
     # TCP Fast Open
     next if /^(ppppp )?setsockopt FASTOPEN: Network Error/;
 
diff --git a/test/scripts/4032-xclient/4032 b/test/scripts/4032-xclient/4032
new file mode 100644
index 000000000..fa0d0b8c3
--- /dev/null
+++ b/test/scripts/4032-xclient/4032
@@ -0,0 +1,140 @@
+# XCLIENT proxy on inbound smtp
+#
+munge loopback
+#
+exim -bd -DSERVER=server -oX PORT_D
+****
+#
+### (1) non-prox plain receive (not advertised) (2) XCLIENT refules when not advertised
+client 127.0.0.1 PORT_D
+??? 220
+EHLO plainclient
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250 HELP
+MAIL FROM:<a@test.ex>
+??? 250
+RCPT TO:<b@test.ex>
+??? 250
+DATA
+??? 354
+Subject: test
+
+body
+.
+??? 250
+XCLIENT NAME=proxylookedupname.net ADDR=127.0.0.2 PORT=4242
+??? 550
+QUIT
+??? 221
+****
+#
+### receive, (1) fully loaded (2) new conn (3) bad: transaction in progress (4) bad: missing EHLO after XCLIENT
+client HOSTIPV4 PORT_D
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+XCLIENT NAME=proxylookedupname.net ADDR=127.0.0.2 PORT=4242 DESTADDR=10.42.42.42 DESTPORT=25 LOGIN=hisloginname
+??? 220
+EHLO clienthelo
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+MAIL FROM:<c@test.ex>
+??? 250
+RCPT TO:<d@test.ex>
+??? 250
+DATA
+??? 354
+Subject: test
+
+body
+.
+??? 250
+XCLIENT NAME=[TEMPUNAVAIL] ADDR=127.0.0.3 PORT=4243 LOGIN=[UNAVAILABLE]
+??? 220
+EHLO anotherhelo
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+MAIL FROM:<c2@test.ex>
+??? 250
+RCPT TO:<d2@test.ex>
+??? 250
+DATA
+??? 354
+Subject: test
+
+body
+.
+??? 250
+MAIL FROM:<c2@test.ex>
+??? 250
+XCLIENT NAME=bad.time.for.xclient
+??? 503
+RSET
+??? 250
+XCLIENT NAME=miss.ehlo.after.xclient
+??? 220
+MAIL FROM:<bad@test.ex>
+??? 503
+QUIT
+??? 221
+****
+#
+###          (5) no operands to XCLIENT (6,7) unrecognised operands
+client HOSTIPV4 PORT_D
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+XCLIENT
+??? 501
+XCLIENT NONO=
+??? 501
+XCLIENT NAMEfoobar=
+??? 501
+XCLIENT SIXSIX=
+??? 501-
+??? 501 Too many
+???*
+****
+#
+###          (7) operand with zero-len value (8) operand with no value
+client HOSTIPV4 PORT_D
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+XCLIENT NAME=
+??? 501
+XCLIENT NAME
+??? 501
+****
+#
+#
+killdaemon
+no_msglog_check
+no_stdout_check
+no_stderr_check
diff --git a/test/scripts/4032-xclient/4033 b/test/scripts/4032-xclient/4033
new file mode 100644
index 000000000..f3a4ecdeb
--- /dev/null
+++ b/test/scripts/4032-xclient/4033
@@ -0,0 +1,62 @@
+# XCLIENT proxy on inbound -bh
+#
+### (1) non-prox plain receive (not advertised) (2) XCLIENT refules when not advertised
+exim -bh 127.0.0.1.4241 -oMi 127.0.0.1
+EHLO plainclient
+MAIL FROM:<a@test.ex>
+RCPT TO:<b@test.ex>
+DATA
+Subject: test
+
+body
+.
+XCLIENT NAME=proxylookedupname.net ADDR=127.0.0.2 PORT=4242
+QUIT
+****
+#
+### receive, (1) fully loaded (2) new conn (3) bad: transaction in progress
+exim -bh HOSTIPV4.4241 -oMi HOSTIPV4
+EHLO xclientproxy
+XCLIENT NAME=proxylookedupname.net ADDR=127.0.0.2 PORT=4242 DESTADDR=10.42.42.42 DESTPORT=25 LOGIN=hisloginname
+EHLO clienthelo
+MAIL FROM:<c@test.ex>
+RCPT TO:<d@test.ex>
+DATA
+Subject: test
+
+body
+.
+XCLIENT NAME=[TEMPUNAVAIL] ADDR=127.0.0.3 PORT=4243 LOGIN=[UNAVAILABLE]
+EHLO anotherhelo
+MAIL FROM:<c2@test.ex>
+RCPT TO:<d2@test.ex>
+DATA
+Subject: test
+
+body
+.
+MAIL FROM:<c2@test.ex>
+XCLIENT NAME=bad.time.for.xclient
+RSET
+XCLIENT NAME=miss.ehlo.after.xclient
+MAIL FROM:<bad@test.ex>
+QUIT
+****
+#
+###          (4) no operands to XCLIENT (5,6) unrecognised operands
+exim -bh HOSTIPV4.4241 -oMi HOSTIPV4
+EHLO xclientproxy
+XCLIENT
+XCLIENT NONO=
+XCLIENT NAMEfoobar=
+XCLIENT SIXSIX=
+****
+#
+###          (7) operand with zero-len value (8) operand with no value
+exim -bh HOSTIPV4.4241 -oMi HOSTIPV4
+EHLO xclientproxy
+XCLIENT NAME=
+XCLIENT NAME
+****
+#
+no_stderr_check
diff --git a/test/scripts/4032-xclient/REQUIRES b/test/scripts/4032-xclient/REQUIRES
new file mode 100644
index 000000000..5f4d76eed
--- /dev/null
+++ b/test/scripts/4032-xclient/REQUIRES
@@ -0,0 +1 @@
+support Experimental_XCLIENT
diff --git a/test/scripts/4034-xclient-tls/4034 b/test/scripts/4034-xclient-tls/4034
new file mode 100644
index 000000000..c8a4f10c4
--- /dev/null
+++ b/test/scripts/4034-xclient-tls/4034
@@ -0,0 +1,179 @@
+# XCLIENT under TLS
+#
+munge loopback
+#
+exim -bd -DSERVER=server -DOPTION -oX PORT_D
+****
+#
+### (1) non-prox plain receive (not advertised) (2) XCLIENT refusal when not advertised
+client-anytls 127.0.0.1 PORT_D
+??? 220
+EHLO plainclient
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-STARTTLS
+??? 250 HELP
+STARTTLS
+??? 220
+EHLO plainclient
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250 HELP
+MAIL FROM:<a@test.ex>
+??? 250
+RCPT TO:<b@test.ex>
+??? 250
+DATA
+??? 354
+Subject: test
+
+body
+.
+??? 250
+XCLIENT NAME=proxylookedupname.net ADDR=127.0.0.2 PORT=4242
+??? 550
+QUIT
+??? 221
+****
+#
+### receive, (1) fully loaded (2) new conn (3) bad: transaction in progress (4) bad: missing EHLO after XCLIENT
+client-anytls HOSTIPV4 PORT_D
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-STARTTLS
+??? 250-XCLIENT
+??? 250 HELP
+STARTTLS
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+XCLIENT NAME=proxylookedupname.net ADDR=127.0.0.2 PORT=4242 DESTADDR=10.42.42.42 DESTPORT=25 LOGIN=hisloginname
+??? 220
+EHLO clienthelo
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+MAIL FROM:<c@test.ex>
+??? 250
+RCPT TO:<d@test.ex>
+??? 250
+DATA
+??? 354
+Subject: test
+
+body
+.
+??? 250
+XCLIENT NAME=[TEMPUNAVAIL] ADDR=127.0.0.3 PORT=4243 LOGIN=[UNAVAILABLE]
+??? 220
+EHLO anotherhelo
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+MAIL FROM:<c2@test.ex>
+??? 250
+RCPT TO:<d2@test.ex>
+??? 250
+DATA
+??? 354
+Subject: test
+
+body
+.
+??? 250
+MAIL FROM:<c2@test.ex>
+??? 250
+XCLIENT NAME=bad.time.for.xclient
+??? 503
+RSET
+??? 250
+XCLIENT NAME=miss.ehlo.after.xclient
+??? 220
+MAIL FROM:<bad@test.ex>
+??? 503
+QUIT
+??? 221
+****
+#
+###          (5) no operands to XCLIENT (6,7) unrecognised operands
+client-anytls HOSTIPV4 PORT_D
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-STARTTLS
+??? 250-XCLIENT
+??? 250 HELP
+STARTTLS
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+XCLIENT
+??? 501
+XCLIENT NONO=
+??? 501
+XCLIENT NAMEfoobar=
+??? 501
+XCLIENT SIXSIX=
+??? 501-
+??? 501 Too many
+???*
+****
+#
+###          (7) operand with zero-len value (8) operand with no value
+client-anytls HOSTIPV4 PORT_D
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-STARTTLS
+??? 250-XCLIENT
+??? 250 HELP
+STARTTLS
+??? 220
+EHLO xclientproxy
+??? 250-
+??? 250-SIZE
+??? 250-8BITMIME
+??? 250-PIPELINING
+??? 250-XCLIENT
+??? 250 HELP
+XCLIENT NAME=
+??? 501
+XCLIENT NAME
+??? 501
+****
+#
+#
+killdaemon
+no_msglog_check
+no_stdout_check
+no_stderr_check
diff --git a/test/scripts/4034-xclient-tls/REQUIRES b/test/scripts/4034-xclient-tls/REQUIRES
new file mode 100644
index 000000000..4361afb13
--- /dev/null
+++ b/test/scripts/4034-xclient-tls/REQUIRES
@@ -0,0 +1,2 @@
+support Experimental_XCLIENT
+feature _HAVE_TLS
diff --git a/test/stdout/4032 b/test/stdout/4032
new file mode 100644
index 000000000..41c916c0e
--- /dev/null
+++ b/test/stdout/4032
@@ -0,0 +1,199 @@
+### (1) non-prox plain receive (not advertised) (2) XCLIENT refules when not advertised
+Connecting to 127.0.0.1 port 1225 ... connected
+??? 220
+<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+>>> EHLO plainclient
+??? 250-
+<<< 250-myhost.test.ex Hello plainclient [IP_LOOPBACK_ADDR]
+??? 250-SIZE
+<<< 250-SIZE 52428800
+??? 250-8BITMIME
+<<< 250-8BITMIME
+??? 250-PIPELINING
+<<< 250-PIPELINING
+??? 250 HELP
+<<< 250 HELP
+>>> MAIL FROM:<a@test.ex>
+??? 250
+<<< 250 OK
+>>> RCPT TO:<b@test.ex>
+??? 250
+<<< 250 Accepted
+>>> DATA
+??? 354
+<<< 354 Enter message, ending with "." on a line by itself
+>>> Subject: test
+>>> 
+>>> body
+>>> .
+??? 250
+<<< 250 OK id=10HmaX-0005vi-00
+>>> XCLIENT NAME=proxylookedupname.net ADDR=127.0.0.2 PORT=4242
+??? 550
+<<< 550 XCLIENT command used when not advertised
+>>> QUIT
+??? 221
+<<< 221 myhost.test.ex closing connection
+End of script
+### receive, (1) fully loaded (2) new conn (3) bad: transaction in progress (4) bad: missing EHLO after XCLIENT
+Connecting to ip4.ip4.ip4.ip4 port 1225 ... connected
+??? 220
+<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+>>> EHLO xclientproxy
+??? 250-
+<<< 250-myhost.test.ex Hello xclientproxy [ip4.ip4.ip4.ip4]
+??? 250-SIZE
+<<< 250-SIZE 52428800
+??? 250-8BITMIME
+<<< 250-8BITMIME
+??? 250-PIPELINING
+<<< 250-PIPELINING
+??? 250-XCLIENT
+<<< 250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+??? 250 HELP
+<<< 250 HELP
+>>> XCLIENT NAME=proxylookedupname.net ADDR=127.0.0.2 PORT=4242 DESTADDR=10.42.42.42 DESTPORT=25 LOGIN=hisloginname
+??? 220
+<<< 220 XCLIENT success
+>>> EHLO clienthelo
+??? 250-
+<<< 250-myhost.test.ex Hello proxylookedupname.net [127.0.0.2]
+??? 250-SIZE
+<<< 250-SIZE 52428800
+??? 250-8BITMIME
+<<< 250-8BITMIME
+??? 250-PIPELINING
+<<< 250-PIPELINING
+??? 250-XCLIENT
+<<< 250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+??? 250 HELP
+<<< 250 HELP
+>>> MAIL FROM:<c@test.ex>
+??? 250
+<<< 250 OK
+>>> RCPT TO:<d@test.ex>
+??? 250
+<<< 250 Accepted
+>>> DATA
+??? 354
+<<< 354 Enter message, ending with "." on a line by itself
+>>> Subject: test
+>>> 
+>>> body
+>>> .
+??? 250
+<<< 250 OK id=10HmaY-0005vi-00
+>>> XCLIENT NAME=[TEMPUNAVAIL] ADDR=127.0.0.3 PORT=4243 LOGIN=[UNAVAILABLE]
+??? 220
+<<< 220 XCLIENT success
+>>> EHLO anotherhelo
+??? 250-
+<<< 250-myhost.test.ex Hello anotherhelo [127.0.0.3]
+??? 250-SIZE
+<<< 250-SIZE 52428800
+??? 250-8BITMIME
+<<< 250-8BITMIME
+??? 250-PIPELINING
+<<< 250-PIPELINING
+??? 250-XCLIENT
+<<< 250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+??? 250 HELP
+<<< 250 HELP
+>>> MAIL FROM:<c2@test.ex>
+??? 250
+<<< 250 OK
+>>> RCPT TO:<d2@test.ex>
+??? 250
+<<< 250 Accepted
+>>> DATA
+??? 354
+<<< 354 Enter message, ending with "." on a line by itself
+>>> Subject: test
+>>> 
+>>> body
+>>> .
+??? 250
+<<< 250 OK id=10HmaZ-0005vi-00
+>>> MAIL FROM:<c2@test.ex>
+??? 250
+<<< 250 OK
+>>> XCLIENT NAME=bad.time.for.xclient
+??? 503
+<<< 503 mail transaction in progress
+>>> RSET
+??? 250
+<<< 250 Reset OK
+>>> XCLIENT NAME=miss.ehlo.after.xclient
+??? 220
+<<< 220 XCLIENT success
+>>> MAIL FROM:<bad@test.ex>
+??? 503
+<<< 503 HELO or EHLO required
+>>> QUIT
+??? 221
+<<< 221 myhost.test.ex closing connection
+End of script
+###          (5) no operands to XCLIENT (6,7) unrecognised operands
+Connecting to ip4.ip4.ip4.ip4 port 1225 ... connected
+??? 220
+<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+>>> EHLO xclientproxy
+??? 250-
+<<< 250-myhost.test.ex Hello xclientproxy [ip4.ip4.ip4.ip4]
+??? 250-SIZE
+<<< 250-SIZE 52428800
+??? 250-8BITMIME
+<<< 250-8BITMIME
+??? 250-PIPELINING
+<<< 250-PIPELINING
+??? 250-XCLIENT
+<<< 250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+??? 250 HELP
+<<< 250 HELP
+>>> XCLIENT
+??? 501
+<<< 501 XCLIENT must have at least one operand
+>>> XCLIENT NONO=
+??? 501
+<<< 501 XCLIENT: unrecognised parameter 'NONO'
+>>> XCLIENT NAMEfoobar=
+??? 501
+<<< 501 XCLIENT: unrecognised parameter 'NAMEfoobar'
+>>> XCLIENT SIXSIX=
+??? 501-
+<<< 501-XCLIENT: unrecognised parameter 'SIXSIX'
+??? 501 Too many
+<<< 501 Too many syntax or protocol errors
+???*
+Expected EOF read
+End of script
+###          (7) operand with zero-len value (8) operand with no value
+Connecting to ip4.ip4.ip4.ip4 port 1225 ... connected
+??? 220
+<<< 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+>>> EHLO xclientproxy
+??? 250-
+<<< 250-myhost.test.ex Hello xclientproxy [ip4.ip4.ip4.ip4]
+??? 250-SIZE
+<<< 250-SIZE 52428800
+??? 250-8BITMIME
+<<< 250-8BITMIME
+??? 250-PIPELINING
+<<< 250-PIPELINING
+??? 250-XCLIENT
+<<< 250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+??? 250 HELP
+<<< 250 HELP
+>>> XCLIENT NAME=
+??? 501
+<<< 501 XCLIENT: zero-length value for param
+>>> XCLIENT NAME
+??? 501
+<<< 501 XCLIENT: missing value for parameter 'NAME'
+End of script
+
+******** SERVER ********
+### (1) non-prox plain receive (not advertised) (2) XCLIENT refules when not advertised
+### receive, (1) fully loaded (2) new conn (3) bad: transaction in progress (4) bad: missing EHLO after XCLIENT
+###          (5) no operands to XCLIENT (6,7) unrecognised operands
+###          (7) operand with zero-len value (8) operand with no value
diff --git a/test/stdout/4033 b/test/stdout/4033
new file mode 100644
index 000000000..546ca8b1a
--- /dev/null
+++ b/test/stdout/4033
@@ -0,0 +1,108 @@
+### (1) non-prox plain receive (not advertised) (2) XCLIENT refules when not advertised
+
+**** SMTP testing session as if from host 127.0.0.1
+**** but without any ident (RFC 1413) callback.
+**** This is not for real!
+
+220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+250-myhost.test.ex Hello plainclient [127.0.0.1]
+250-SIZE 52428800
+250-8BITMIME
+250-PIPELINING
+250 HELP
+250 OK
+250 Accepted
+354 Enter message, ending with "." on a line by itself
+250 OK id=10HmaX-0005vi-00
+
+**** SMTP testing: that is not a real message id!
+
+550 XCLIENT command used when not advertised
+221 myhost.test.ex closing connection
+### receive, (1) fully loaded (2) new conn (3) bad: transaction in progress
+
+**** SMTP testing session as if from host ip4.ip4.ip4.ip4
+**** but without any ident (RFC 1413) callback.
+**** This is not for real!
+
+220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+250-myhost.test.ex Hello xclientproxy [ip4.ip4.ip4.ip4]
+250-SIZE 52428800
+250-8BITMIME
+250-PIPELINING
+250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+250 HELP
+220 XCLIENT success
+250-myhost.test.ex Hello proxylookedupname.net [127.0.0.2]
+250-SIZE 52428800
+250-8BITMIME
+250-PIPELINING
+250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+250 HELP
+250 OK
+250 Accepted
+354 Enter message, ending with "." on a line by itself
+250 OK id=10HmaY-0005vi-00
+
+**** SMTP testing: that is not a real message id!
+
+220 XCLIENT success
+250-myhost.test.ex Hello anotherhelo [127.0.0.3]
+250-SIZE 52428800
+250-8BITMIME
+250-PIPELINING
+250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+250 HELP
+250 OK
+250 Accepted
+354 Enter message, ending with "." on a line by itself
+250 OK id=10HmaZ-0005vi-00
+
+**** SMTP testing: that is not a real message id!
+
+250 OK
+503 mail transaction in progress
+250 Reset OK
+220 XCLIENT success
+503 HELO or EHLO required
+221 myhost.test.ex closing connection
+###          (4) no operands to XCLIENT (5,6) unrecognised operands
+
+**** SMTP testing session as if from host ip4.ip4.ip4.ip4
+**** but without any ident (RFC 1413) callback.
+**** This is not for real!
+
+220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+250-myhost.test.ex Hello xclientproxy [ip4.ip4.ip4.ip4]
+250-SIZE 52428800
+250-8BITMIME
+250-PIPELINING
+250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+250 HELP
+501 XCLIENT must have at least one operand
+501 XCLIENT: unrecognised parameter 'NONO'
+501 XCLIENT: unrecognised parameter 'NAMEfoobar'
+501-XCLIENT: unrecognised parameter 'SIXSIX'
+501 Too many syntax or protocol errors
+###          (7) operand with zero-len value (8) operand with no value
+
+**** SMTP testing session as if from host ip4.ip4.ip4.ip4
+**** but without any ident (RFC 1413) callback.
+**** This is not for real!
+
+220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
+250-myhost.test.ex Hello xclientproxy [ip4.ip4.ip4.ip4]
+250-SIZE 52428800
+250-8BITMIME
+250-PIPELINING
+250-XCLIENT ADDR NAME PORT LOGIN DESTADDR DESTPORT
+250 HELP
+501 XCLIENT: zero-length value for param
+501 XCLIENT: missing value for parameter 'NAME'
+421 myhost.test.ex lost input connection
+
+******** SERVER ********
+### (1) non-prox plain receive (not advertised) (2) XCLIENT refules when not advertised
+### receive, (1) fully loaded (2) new conn (3) bad: transaction in progress
+###          (4) no operands to XCLIENT (5,6) unrecognised operands
+###          (7) operand with zero-len value (8) operand with no value