+sub adduserid {
+ my $instr = shift;
+ my $fpr = shift;
+ my $uid = shift;
+ my $args = shift;
+
+ if ((! defined $fpr) ||
+ (length($fpr) < 8)) {
+ die "We need at least 8 hex digits of fingerprint.\n";
+ }
+
+ $fpr = uc($fpr);
+
+ if (! defined $uid) {
+ die "No User ID defined.\n";
+ }
+
+ my $data = { target => { fpr => $fpr,
+ uid => $uid,
+ },
+ };
+ my $subs = { $packet_types->{seckey} => \&findkey,
+ $packet_types->{uid} => \&finduid,
+ $packet_types->{sig} => \&findsig,
+ };
+
+ packetwalk($instr, $subs, $data);
+
+ if ((! defined $data->{key}) ||
+ (! defined $data->{key}->{rsa}) ||
+ (! defined $data->{key}->{timestamp})) {
+ die "The key requested was not found.\n"
+ }
+
+ if (defined $data->{uid}->{$uid}) {
+ die "The requested User ID '$uid' is already associated with this key.\n";
+ }
+ $args->{key_timestamp} = $data->{key}->{timestamp};
+
+ return
+ make_packet($packet_types->{pubkey}, make_rsa_pub_key_body($data->{key}->{rsa}, $data->{key}->{timestamp})).
+ make_packet($packet_types->{uid}, $uid).
+ makeselfsig($data->{key}->{rsa},
+ $uid,
+ $args);
+
+}
+
+