2 * stripkey.c - Strip a key of all signatures except self-sigs.
4 * Copyright 2004 Daniel Silverstone <dsilvers@digital-scurf.org>
6 * This program is free software: you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <https://www.gnu.org/licenses/>.
23 #include "charfuncs.h"
26 #include "keystructs.h"
29 #include "decodekey.h"
31 int main(int argc, char** argv) {
32 struct openpgp_packet_list *packets = NULL;
33 struct openpgp_packet_list *list_end = NULL;
34 struct openpgp_publickey *keys = NULL;
35 struct openpgp_publickey *key = NULL;
36 struct openpgp_signedpacket_list *uid = NULL;
37 struct openpgp_packet_list *sig = NULL;
38 struct openpgp_packet_list *prevsig = NULL;
42 my_key = strtoull( argv[1], NULL, 16 );
44 /* expect a stream of openpgp packets on stdin comprising some keys */
45 /* strip each key of everything but its pubkey component, uids and
46 * selfsigs and revsigs on those selfsigs */
48 read_openpgp_stream( stdin_getchar, NULL, &packets, 0 );
49 parse_keys( packets, &keys );
50 free_packet_list(packets);
52 cleankeys(NULL, &keys, ONAK_CLEAN_ALL);
53 /* Iterate over the keys... */
54 for( key = keys; key; key = key->next ) {
56 get_keyid( key, &keyid );
57 for( uid = key->uids; uid; uid = uid->next ) {
59 for( sig = uid->sigs, prevsig = NULL;
61 prevsig = sig, sig = sig->next ) {
62 uint64_t thissig = sig_keyid( sig->packet );
63 if( thissig != keyid && thissig != my_key ) {
64 /* Don't care about this packet... */
66 prevsig->next = sig->next;
68 uid->sigs = sig->next;
71 free_packet_list( sig );
77 flatten_publickey( keys, &packets, &list_end );
78 write_openpgp_stream( stdout_putchar, NULL, packets );