ARC: AS header should have no c= tag

2 files changed, 45 insertions, 45 deletions

diff --git a/src/src/arc.c b/src/src/arc.c
index a749c78ef..e1fef6fb8 100644
--- a/src/src/arc.c
+++ b/src/src/arc.c
@@ -1416,7 +1416,7 @@ arcset = string_append(NULL, 10,
 	  ARC_HDR_AS,
 	  US" i=", string_sprintf("%d", instance),
 	  US"; cv=", status,
-	  US"; a=rsa-sha256; c=relaxed; d=", identity,		/*XXX hardwired */
+	  US"; a=rsa-sha256; d=", identity,			/*XXX hardwired */
 	  US"; s=", selector,					/*XXX same as AMS */
 	  US";\r\n\t b=;");
 
diff --git a/test/mail/4560.a b/test/mail/4560.a
index 9ddcd2ae1..04e723698 100644
--- a/test/mail/4560.a
+++ b/test/mail/4560.a
@@ -7,10 +7,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmaY-0005vi-00
 	for a@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=1; cv=none; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=XLcAAITo9Vf1e7bfAAZQGHFU1YySleXuf5+r2KI9kYNg8hmFsv6p91L679/gYfo7XGzo6pl9Xh
-	  +CXJIttJnXkgGx+zRg4hRoAqr3VNqDYA/IDvvglQCdBVu2/4JS1cPCznuW6RdTLR6b7kMx11Cu
-	  jd3NsmP38X0Zo8mRETF+TLU=;
+ARC-Seal: i=1; cv=none; a=rsa-sha256; d=test.ex; s=sel;
+	 b=FUok5m+OoEqd8QIlc2ch4c9dWRBkoljL2vOaxOFd5V9JME/6PrlYQ8oF88sIAcMnrQyffjVtDA
+	  +kcb1AYzjO2TDaoH873Yu62CMTB6KBtC3+9B7eadXd24d3sNhTOxzJaK+TWid2iVNfEUU3rKXN
+	  mh1ISayCaAxP5vZXsxKJ7Sk=;
 ARC-Authentication-Results: i=1; test.ex;
 	arc=none
 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
@@ -39,10 +39,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbB-0005vi-00
 	for a@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=2; cv=pass; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=p0S5hu7O1X0QEtH5WHBKTSlksX8Q09cpDll3kZxgLv8bcq4aAVc+hk2ajkzlwplg3ArBTSx79R
-	  D4CB+BB3x5p4oB+VwgVSS+Fz/EFFxgEht4xKqPFJ/Xqi3SFdy0+vxdZ6d0z7sOE6pchlxooFhH
-	  QMpkkGVVGT+uT4MqnexuTjY=;
+ARC-Seal: i=2; cv=pass; a=rsa-sha256; d=test.ex; s=sel;
+	 b=Gw0rnpSzWYrk0pESlvrgJ6U9Fv1r7BxNxp1uNw+OvylVt9JuuFEfTQ1+wJzu1RkJK9yctGI//X
+	  FiHjdEexgjjU38fOxWlVQyfhpPReuXs+dO0vHDfipIvIFuAkTXczUlRSRr+N+he6JTL33eDeFd
+	  mpyVa6MMt2CdB8mUulbMEdE=;
 ARC-Authentication-Results: i=2; test.ex;
 	iprev=pass (localhost);
 	arc=pass (i=1) header.s=sel arc.oldest-pass=1 smtp.client-ip=127.0.0.1
@@ -60,10 +60,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbA-0005vi-00
 	for za@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=1; cv=none; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=XLcAAITo9Vf1e7bfAAZQGHFU1YySleXuf5+r2KI9kYNg8hmFsv6p91L679/gYfo7XGzo6pl9Xh
-	  +CXJIttJnXkgGx+zRg4hRoAqr3VNqDYA/IDvvglQCdBVu2/4JS1cPCznuW6RdTLR6b7kMx11Cu
-	  jd3NsmP38X0Zo8mRETF+TLU=;
+ARC-Seal: i=1; cv=none; a=rsa-sha256; d=test.ex; s=sel;
+	 b=FUok5m+OoEqd8QIlc2ch4c9dWRBkoljL2vOaxOFd5V9JME/6PrlYQ8oF88sIAcMnrQyffjVtDA
+	  +kcb1AYzjO2TDaoH873Yu62CMTB6KBtC3+9B7eadXd24d3sNhTOxzJaK+TWid2iVNfEUU3rKXN
+	  mh1ISayCaAxP5vZXsxKJ7Sk=;
 ARC-Authentication-Results: i=1; test.ex;
 	arc=none
 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
@@ -92,10 +92,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbF-0005vi-00
 	for a@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=3; cv=pass; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=f9LBNUaiOCFYXDo/Qj0MeW9NwX4CszFtZjfvnjvlfDc6WM28bQyEqMQBWNt+vApDne+LPsLGW/
-	  28MQ4CQf6a3OZDtENt704sxqrwFPgaJhjNx79Yn5yWfqX6YFcTc/tI3DZzLMScUCPSfVGTsNwB
-	  J9vb4zPdN+QJ+viTsyMRQ4Y=;
+ARC-Seal: i=3; cv=pass; a=rsa-sha256; d=test.ex; s=sel;
+	 b=RcSJycBgTIQO9dOXE36ESKpl/550ykTZwQdtDPlGKaj4bZdbtSEeIRkdKOkwAwuQb+uSCGeaSH
+	  36LmxlBJzZ+hs8l7WoTEv/514qyEbaokW1DkfSDQ7IRsHOB0roVUliAIcbc7fiO9Fiuo4M1yIT
+	  asqHipuA9TCAMIeqO4QuyT4=;
 ARC-Authentication-Results: i=3; test.ex;
 	iprev=pass (localhost);
 	arc=pass (i=2) header.s=sel arc.oldest-pass=0 smtp.client-ip=127.0.0.1
@@ -113,10 +113,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbE-0005vi-00
 	for za@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=2; cv=pass; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=VFGK3ThSLHrT5Zn9w3dPive+GXVNu/sYyfb6i64d8GiAf0fAcD8cSqiQizsuABJIkJzcTfQEw/
-	  g4ihDDhg3Mz3FgvWbsNbBfoDVy/PZ3xCp0XFEOh7joTr1N42yolOwt1BFbZw8CvKLv0x+p1Zhb
-	  ZIdrz8ZGocPUB2HB8m0h+NA=;
+ARC-Seal: i=2; cv=pass; a=rsa-sha256; d=test.ex; s=sel;
+	 b=PisKqTHCNjT5OBFxx3tSp8wLuNXxL9kN8owfn6ueRBSUjWjRx/GFUpa/gPut04/qcTt8MHvamq
+	  rG8f6KBkoD4D8+zZrE9J13RI0v2vR3DUSdhzGjAHRwyAIWaHm7lvu3R5ze6GF0vHmtvFZpApCa
+	  hbMYARUVb7VvXJAhQdLE3oE=;
 ARC-Authentication-Results: i=2; test.ex;
 	iprev=pass (localhost);
 	arc=pass (i=1) header.s=sel arc.oldest-pass=1 smtp.client-ip=127.0.0.1
@@ -134,10 +134,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbD-0005vi-00
 	for mza@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=1; cv=none; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=XLcAAITo9Vf1e7bfAAZQGHFU1YySleXuf5+r2KI9kYNg8hmFsv6p91L679/gYfo7XGzo6pl9Xh
-	  +CXJIttJnXkgGx+zRg4hRoAqr3VNqDYA/IDvvglQCdBVu2/4JS1cPCznuW6RdTLR6b7kMx11Cu
-	  jd3NsmP38X0Zo8mRETF+TLU=;
+ARC-Seal: i=1; cv=none; a=rsa-sha256; d=test.ex; s=sel;
+	 b=FUok5m+OoEqd8QIlc2ch4c9dWRBkoljL2vOaxOFd5V9JME/6PrlYQ8oF88sIAcMnrQyffjVtDA
+	  +kcb1AYzjO2TDaoH873Yu62CMTB6KBtC3+9B7eadXd24d3sNhTOxzJaK+TWid2iVNfEUU3rKXN
+	  mh1ISayCaAxP5vZXsxKJ7Sk=;
 ARC-Authentication-Results: i=1; test.ex;
 	arc=none
 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
@@ -170,10 +170,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbK-0005vi-00
 	for a@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=3; cv=fail; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=uamKZbfYVEc5YSkTjyr588o4KIEF8g6bZ1RzC46wkJifmP0pML666Vvc0lTSsf5MmMcBLl+fTV
-	  kVUTGZYjjRU1eTVNShszYPk5LBUPH2nY8h1th4PFsHNxLRzP4sSOEGc4yZjYsG8zYkDGgEPzLH
-	  Uw0J+Oa0vRcx2ZW+jZrrd5U=;
+ARC-Seal: i=3; cv=fail; a=rsa-sha256; d=test.ex; s=sel;
+	 b=cdGeRgKBXmi4ZuxBGCLHkZN5io4rurCl7k7ESImcC4FcQFq1giqpFeD2lipCeWvSpx9FpRbXCI
+	  OQyRZB3ZVbjSsuacqUWz78Y5Z15M6g/OrNRwC+wLyGI/Dfg1jwJCp7dtxUMvOfvX/fnII57Y9D
+	  ULyV72U2yGs4E+khjk2Fgdw=;
 ARC-Authentication-Results: i=3; test.ex;
 	iprev=pass (localhost);
 	arc=fail (i=2)(AMS body hash miscompare) header.s=sel arc.oldest-pass=0 smtp.client-ip=127.0.0.1
@@ -199,10 +199,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbI-0005vi-00
 	for mza@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=2; cv=pass; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=p0S5hu7O1X0QEtH5WHBKTSlksX8Q09cpDll3kZxgLv8bcq4aAVc+hk2ajkzlwplg3ArBTSx79R
-	  D4CB+BB3x5p4oB+VwgVSS+Fz/EFFxgEht4xKqPFJ/Xqi3SFdy0+vxdZ6d0z7sOE6pchlxooFhH
-	  QMpkkGVVGT+uT4MqnexuTjY=;
+ARC-Seal: i=2; cv=pass; a=rsa-sha256; d=test.ex; s=sel;
+	 b=Gw0rnpSzWYrk0pESlvrgJ6U9Fv1r7BxNxp1uNw+OvylVt9JuuFEfTQ1+wJzu1RkJK9yctGI//X
+	  FiHjdEexgjjU38fOxWlVQyfhpPReuXs+dO0vHDfipIvIFuAkTXczUlRSRr+N+he6JTL33eDeFd
+	  mpyVa6MMt2CdB8mUulbMEdE=;
 ARC-Authentication-Results: i=2; test.ex;
 	iprev=pass (localhost);
 	arc=pass (i=1) header.s=sel arc.oldest-pass=1 smtp.client-ip=127.0.0.1
@@ -220,10 +220,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbH-0005vi-00
 	for zmza@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=1; cv=none; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=XLcAAITo9Vf1e7bfAAZQGHFU1YySleXuf5+r2KI9kYNg8hmFsv6p91L679/gYfo7XGzo6pl9Xh
-	  +CXJIttJnXkgGx+zRg4hRoAqr3VNqDYA/IDvvglQCdBVu2/4JS1cPCznuW6RdTLR6b7kMx11Cu
-	  jd3NsmP38X0Zo8mRETF+TLU=;
+ARC-Seal: i=1; cv=none; a=rsa-sha256; d=test.ex; s=sel;
+	 b=FUok5m+OoEqd8QIlc2ch4c9dWRBkoljL2vOaxOFd5V9JME/6PrlYQ8oF88sIAcMnrQyffjVtDA
+	  +kcb1AYzjO2TDaoH873Yu62CMTB6KBtC3+9B7eadXd24d3sNhTOxzJaK+TWid2iVNfEUU3rKXN
+	  mh1ISayCaAxP5vZXsxKJ7Sk=;
 ARC-Authentication-Results: i=1; test.ex;
 	arc=none
 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
@@ -264,10 +264,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbM-0005vi-00
 	for za@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=1; cv=none; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=XLcAAITo9Vf1e7bfAAZQGHFU1YySleXuf5+r2KI9kYNg8hmFsv6p91L679/gYfo7XGzo6pl9Xh
-	  +CXJIttJnXkgGx+zRg4hRoAqr3VNqDYA/IDvvglQCdBVu2/4JS1cPCznuW6RdTLR6b7kMx11Cu
-	  jd3NsmP38X0Zo8mRETF+TLU=;
+ARC-Seal: i=1; cv=none; a=rsa-sha256; d=test.ex; s=sel;
+	 b=FUok5m+OoEqd8QIlc2ch4c9dWRBkoljL2vOaxOFd5V9JME/6PrlYQ8oF88sIAcMnrQyffjVtDA
+	  +kcb1AYzjO2TDaoH873Yu62CMTB6KBtC3+9B7eadXd24d3sNhTOxzJaK+TWid2iVNfEUU3rKXN
+	  mh1ISayCaAxP5vZXsxKJ7Sk=;
 ARC-Authentication-Results: i=1; test.ex;
 	arc=none
 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
@@ -299,10 +299,10 @@ Received: from localhost ([127.0.0.1] helo=test.ex)
 	(envelope-from <CALLER@bloggs.com>)
 	id 10HmbP-0005vi-00
 	for a@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
-ARC-Seal: i=2; cv=fail; a=rsa-sha256; c=relaxed; d=test.ex; s=sel;
-	 b=MQwdR5nlxQNXdo/J3hK8voFybIpzoj3/32eQHLm8rJ0zOfAiJEOB4TKsvhRvn+ErtTRzoQsCrk
-	  aY4hSDnUsxPbgawzMeC3QpidYlXOyfNrS6B4wBoaRM2pbAIZytVT0MjZu9g+qrUnv2cOsveQI3
-	  ApDVpyZaYfDdcepyBOm5//4=;
+ARC-Seal: i=2; cv=fail; a=rsa-sha256; d=test.ex; s=sel;
+	 b=bID/N3wfd1l6ac20RCPn+pVvXigyjdZRMuub+N4VGA/c6Nw41LDmhgxEHqSUhNxri2KYGV3BPw
+	  Qp9RWx7lS2o6nnrrKBi/tdlE164GWpFNH5qetZZKuaEtZ0box3qUNwMpjzZZOhHNPzDXsztTLG
+	  M4/bKjEuvxwND7oliqhn3mg=;
 ARC-Authentication-Results: i=2; test.ex;
 	dkim=pass header.d=dmarc.org header.s=clochette header.a=rsa-sha256;
 	dkim=fail (body hash mismatch; body probably modified in transit)