Add SPDX-License-Identifier

Add SPDX-License-Identifier headers to all substantial source files.
Also canonicalize copyright date formats and fix a few copyright
notices that weren't in my standard layout.

18 files changed, 72 insertions, 29 deletions

diff --git a/docs/api/remctl.pod b/docs/api/remctl.pod
index 477cb9e..458f5e4 100644
--- a/docs/api/remctl.pod
+++ b/docs/api/remctl.pod
@@ -1,7 +1,7 @@
 =for stopwords
 remctl const API hostname IP NUL-terminated GSS-API DNS KRB5CCNAME NULs
 ENOMEM CNAME lookups canonicalization libdefaults canonicalize Allbery
-DNS-based IANA-registered
+DNS-based IANA-registered SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -134,13 +134,15 @@ Russ Allbery <eagle@eyrie.org>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2007, 2008, 2009, 2014 The Board of Trustees of the Leland
-Stanford Junior University
+Copyright 2007-2009, 2014 The Board of Trustees of the Leland Stanford
+Junior University
 
 Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_close.pod b/docs/api/remctl_close.pod
index 5d53545..e913f18 100644
--- a/docs/api/remctl_close.pod
+++ b/docs/api/remctl_close.pod
@@ -1,5 +1,5 @@
 =for stopwords
-remctl Allbery
+remctl Allbery SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -41,6 +41,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_command.pod b/docs/api/remctl_command.pod
index 805084f..a0b63f9 100644
--- a/docs/api/remctl_command.pod
+++ b/docs/api/remctl_command.pod
@@ -1,5 +1,6 @@
 =for stopwords
-remctl const iovec NUL-terminated argv Allbery
+remctl const iovec NUL-terminated argv Allbery SPDX-License-Identifier
+FSFAP
 
 =head1 NAME
 
@@ -62,6 +63,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_error.pod b/docs/api/remctl_error.pod
index cc9a554..a056413 100644
--- a/docs/api/remctl_error.pod
+++ b/docs/api/remctl_error.pod
@@ -1,5 +1,5 @@
 =for stopwords
-remctl const API Allbery
+remctl const API Allbery SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -47,6 +47,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_new.pod b/docs/api/remctl_new.pod
index 0616d1e..650f117 100644
--- a/docs/api/remctl_new.pod
+++ b/docs/api/remctl_new.pod
@@ -1,5 +1,5 @@
 =for stopwords
-remctl API ENOMEM Allbery
+remctl API ENOMEM Allbery SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -45,6 +45,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_noop.pod b/docs/api/remctl_noop.pod
index 9780ffa..9fd90ab 100644
--- a/docs/api/remctl_noop.pod
+++ b/docs/api/remctl_noop.pod
@@ -1,5 +1,5 @@
 =for stopwords
-remctl const NOOP Allbery
+remctl const NOOP Allbery SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -48,6 +48,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_open.pod b/docs/api/remctl_open.pod
index 6a6caa9..47da9b3 100644
--- a/docs/api/remctl_open.pod
+++ b/docs/api/remctl_open.pod
@@ -1,6 +1,7 @@
 =for stopwords
 remctl const TCP GSS-API DNS DNS-based KRB5CCNAME lookups canonicalization
 libdefaults Allbery CNAME ai addr addrinfo addrlen fd IANA-registered
+SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -131,13 +132,15 @@ Russ Allbery <eagle@eyrie.org>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2007, 2008, 2009, 2014 The Board of Trustees of the Leland
-Stanford Junior University
+Copyright 2007-2009, 2014 The Board of Trustees of the Leland Stanford
+Junior University
 
 Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_output.pod b/docs/api/remctl_output.pod
index 98f69ba..7920453 100644
--- a/docs/api/remctl_output.pod
+++ b/docs/api/remctl_output.pod
@@ -1,5 +1,5 @@
 =for stopwords
-remctl API Allbery
+remctl API Allbery SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -83,15 +83,6 @@ remctl_output() returns a pointer to a remctl_output struct on success and
 NULL on failure.  On failure, the caller should call remctl_error() to
 retrieve the error message.
 
-=head1 SEE ALSO
-
-remctl_new(3), remctl_open(3), remctl_command(3), remctl_commandv(3),
-remctl_error(3)
-
-The current version of the remctl library and complete details of the
-remctl protocol are available from its web page at
-L<http://www.eyrie.org/~eagle/software/remctl/>.
-
 =head1 AUTHOR
 
 Russ Allbery <eagle@eyrie.org>
@@ -105,5 +96,16 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
+=head1 SEE ALSO
+
+remctl_new(3), remctl_open(3), remctl_command(3), remctl_commandv(3),
+remctl_error(3)
+
+The current version of the remctl library and complete details of the
+remctl protocol are available from its web page at
+L<http://www.eyrie.org/~eagle/software/remctl/>.
+
 =cut
diff --git a/docs/api/remctl_set_ccache.pod b/docs/api/remctl_set_ccache.pod
index 40a40fa..a97a701 100644
--- a/docs/api/remctl_set_ccache.pod
+++ b/docs/api/remctl_set_ccache.pod
@@ -1,5 +1,6 @@
 =for stopwords
-remctl API Allbery const ccache GSS-API KRB5CCNAME
+remctl API Allbery const ccache GSS-API KRB5CCNAME SPDX-License-Identifier
+FSFAP
 
 =head1 NAME
 
@@ -80,13 +81,15 @@ Russ Allbery <eagle@eyrie.org>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2011, 2013, 2014 The Board of Trustees of the Leland Stanford
+Copyright 2011, 2013-2014 The Board of Trustees of the Leland Stanford
 Junior University
 
 Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_set_source_ip.pod b/docs/api/remctl_set_source_ip.pod
index 65d0116..32414c7 100644
--- a/docs/api/remctl_set_source_ip.pod
+++ b/docs/api/remctl_set_source_ip.pod
@@ -1,5 +1,6 @@
 =for stopwords
 remctl API Allbery const IP IPv4 IPv6 IPv4-only IPv6-only
+SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -49,6 +50,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/api/remctl_set_timeout.pod b/docs/api/remctl_set_timeout.pod
index 870230e..74bc27c 100644
--- a/docs/api/remctl_set_timeout.pod
+++ b/docs/api/remctl_set_timeout.pod
@@ -1,5 +1,5 @@
 =for stopwords
-remctl API Allbery timeout
+remctl API Allbery timeout SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -49,6 +49,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/design.html b/docs/design.html
index 615c5ce..d75e4fc 100644
--- a/docs/design.html
+++ b/docs/design.html
@@ -198,6 +198,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
 </PRE>
 
 </BODY>
diff --git a/docs/extending b/docs/extending
index 2c2ede0..85830e0 100644
--- a/docs/extending
+++ b/docs/extending
@@ -172,3 +172,5 @@ License
     are permitted in any medium without royalty provided the copyright
     notice and this notice are preserved.  This file is offered as-is,
     without any warranty.
+
+    SPDX-License-Identifier: FSFAP
diff --git a/docs/protocol-v4 b/docs/protocol-v4
index 963d987..f38b67a 100644
--- a/docs/protocol-v4
+++ b/docs/protocol-v4
@@ -141,3 +141,5 @@ License
     are permitted in any medium without royalty provided the copyright
     notice and this notice are preserved.  This file is offered as-is,
     without any warranty.
+
+    SPDX-License-Identifier: FSFAP
diff --git a/docs/protocol.xml b/docs/protocol.xml
index 896071d..4f495d4 100644
--- a/docs/protocol.xml
+++ b/docs/protocol.xml
@@ -507,13 +507,15 @@
       without modification, under your choice of the license specified in
       the Copyright Notice section or the license below.</t>
 
-      <t>Copyright 2006, 2007, 2008, 2009, 2011, 2013, 2014 The Board of
-      Trustees of the Leland Stanford Junior University</t>
+      <t>Copyright 2006-2009, 2011, 2013-2014 The Board of Trustees of the
+      Leland Stanford Junior University</t>
 
       <t>Copying and distribution of this file, with or without
       modification, are permitted in any medium without royalty provided
       the copyright notice and this notice are preserved.  This file is
       offered as-is, without any warranty.</t>
+
+      <!-- SPDX-License-Identifier: FSFAP -->
     </section>
   </back>
 </rfc>
diff --git a/docs/remctl-shell.pod b/docs/remctl-shell.pod
index 608a6fb..7490f45 100644
--- a/docs/remctl-shell.pod
+++ b/docs/remctl-shell.pod
@@ -1,5 +1,6 @@
 =for stopwords
 remctl -dqS -dhqSv ACL Allbery GSS-API REMUSER nul remctld sshd subcommand
+SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -369,6 +370,8 @@ Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/remctl.pod b/docs/remctl.pod
index 008c8de..d01f541 100644
--- a/docs/remctl.pod
+++ b/docs/remctl.pod
@@ -2,6 +2,7 @@
 remctl -dhv subcommand remctld GSS-API GSS-API's hostname AFS
 canonicalizes DNS DNS-based canonicalization Heimdal MICs Ushakov Allbery
 triple-DES MERCHANTABILITY IP IPv4 IPv6 source-ip IANA-registered
+SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -125,13 +126,15 @@ maintenance are done by Russ Allbery <eagle@eyrie.org>.
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2014
-The Board of Trustees of the Leland Stanford Junior University
+Copyright 2002-2011, 2014 The Board of Trustees of the Leland Stanford
+Junior University
 
 Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO
 
diff --git a/docs/remctld.pod b/docs/remctld.pod
index b58e269..6c441bb 100644
--- a/docs/remctld.pod
+++ b/docs/remctld.pod
@@ -4,6 +4,7 @@ backend logmask NUL acl ACL princ filename gput CMU GPUT xform ANYUSER IP
 IPv4 IPv6 hostname SCPRINCIPAL sysctld Heimdal MICs Ushakov Allbery
 subcommands REMUSER pcre PCRE triple-DES MERCHANTABILITY username arg
 SIGCONT SIGSTOP systemd IANA-registered localgroup PKINIT anyuser
+SPDX-License-Identifier FSFAP
 
 =head1 NAME
 
@@ -711,13 +712,15 @@ maintenance are done by Russ Allbery <eagle@eyrie.org>.
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
-2012, 2014 The Board of Trustees of the Leland Stanford Junior University
+Copyright 2002-2012, 2014 The Board of Trustees of the Leland Stanford
+Junior University
 
 Copying and distribution of this file, with or without modification, are
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.  This file is offered as-is, without any
 warranty.
+
+SPDX-License-Identifier: FSFAP
   
 =head1 SEE ALSO