If Myon's magic to find stuff to build a ~/.caffrc fails, still produce something...

[pgp-tools.git] / caff / caff

diff --git a/caff/caff b/caff/caff
index 352017509dfe6d9a01119b1cd8490f8392fb34a2..8c9b105980562a015d85e79f23d26e7081306485 100755 (executable)
--- a/caff/caff
+++ b/caff/caff
@@ -308,32 +308,44 @@ sub trace2($) {
 
 
 sub generate_config() {
-       die "Error: \$LOGNAME is not set.\n" unless $ENV{LOGNAME};
-       my $gecos = (getpwnam($ENV{LOGNAME}))[6];
-       $gecos =~ s/,.*//;
+       notice("Error: \$LOGNAME is not set.\n") unless defined $ENV{'LOGNAME'};
+       my $gecos = defined $ENV{'LOGNAME'} ? (getpwnam($ENV{LOGNAME}))[6] : undef;
+       my $email;
+       my @keys;
+       my $hostname = `hostname -f`;
+       chomp $hostname;
+       if (defined $gecos) {
+               $gecos =~ s/,.*//;
 
-       my $gpg = GnuPG::Interface->new();
-       $gpg->call( 'gpg' );
-       $gpg->options->hash_init(
-               'extra_args' => [ qw{ --no-auto-check-trustdb --trust-model=always --with-colons --fixed-list-mode } ] );
-       $gpg->options->meta_interactive( 0 );
-       my ($inputfd, $stdoutfd, $stderrfd, $statusfd, $handles) = make_gpg_fds();
-       my $pid = $gpg->list_public_keys(handles => $handles, command_args => [ $gecos ]);
-       my ($stdout, $stderr, $status) = readwrite_gpg('', $inputfd, $stdoutfd, $stderrfd, $statusfd);
-       waitpid $pid, 0;
+               my $gpg = GnuPG::Interface->new();
+               $gpg->call( 'gpg' );
+               $gpg->options->hash_init(
+                       'extra_args' => [ qw{ --no-auto-check-trustdb --trust-model=always --with-colons --fixed-list-mode } ] );
+               $gpg->options->meta_interactive( 0 );
+               my ($inputfd, $stdoutfd, $stderrfd, $statusfd, $handles) = make_gpg_fds();
+               my $pid = $gpg->list_public_keys(handles => $handles, command_args => [ $gecos ]);
+               my ($stdout, $stderr, $status) = readwrite_gpg('', $inputfd, $stdoutfd, $stderrfd, $statusfd);
+               waitpid $pid, 0;
 
-       if ($stdout eq '') {
-               warn ("No data from gpg for list-key\n"); # There should be at least 'tru:' everywhere.
-       };
+               if ($stdout eq '') {
+                       warn ("No data from gpg for list-key\n"); # There should be at least 'tru:' everywhere.
+               };
 
-       my @keys;
-       unless (@keys = ($stdout =~ /^pub:[^r:]*:(?:[^:]*:){2,2}([^:]+):/mg)) {
-               die "Error: No keys were found using \"gpg --list-public-keys '$gecos'\".\n";
-       }
-       unless ($stdout =~ /^uid:.*<(.+@.+)>.*:/m) {
-               die "Error: No email address was found using \"gpg --list-public-keys '$gecos'\".\n";
-       }
-       my $email = $1;
+               @keys = ($stdout =~ /^pub:[^r:]*:(?:[^:]*:){2,2}([^:]+):/mg);
+               unless (scalar @keys) {
+                       info("Error: No keys were found using \"gpg --list-public-keys '$gecos'\".");
+                       @keys = qw{0123456789abcdef 89abcdef76543210}
+               }
+               ($email) =  ($stdout =~ /^uid:.*<(.+?@.+?)>.*:/m);
+               unless (defined $email) {
+                       info("Error: No email address was found using \"gpg --list-public-keys '$gecos'\".");
+                       $email = $ENV{'LOGNAME'}.'@'.$hostname;
+               }
+       } else {
+               $gecos = 'Unknown Caff User';
+               $email = $ENV{'LOGNAME'}.'@'.$hostname;
+               @keys = qw{0123456789abcdef 89abcdef76543210}
+       };
 
        return <<EOT;
 # .caffrc -- vim:syntax=perl:
@@ -347,6 +359,11 @@ sub generate_config() {
 #
 # if you have a v4 key, it will simply be the last 16 digits of
 # your fingerprint.
+#
+# Example:
+#   \$CONFIG{'keyid'}       = [ qw{FEDCBA9876543210} ];
+#  or, if you have more than one key:
+#   \$CONFIG{'keyid'}       = [ qw{0123456789ABCDEF 89ABCDEF76543210} ];
 
 \$CONFIG{'keyid'}       = [ qw{@keys} ];
 EOT