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gnupg/g10/keylist.c
Werner Koch 5a9ea8ff5c Changed keyring handling - saving still does not work. 
Added new cipher mode and updated cipher test program.
2000-10-10 12:58:43 +00:00

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/* keylist.c
* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include "options.h"
#include "packet.h"
#include "errors.h"
#include "keydb.h"
#include <gcrypt.h>
#include "util.h"
#include "trustdb.h"
#include "main.h"
#include "i18n.h"
static void list_all(int);
static void list_one( STRLIST names, int secret);
static void list_keyblock( KBNODE keyblock, int secret );
static void fingerprint( PKT_public_key *pk, PKT_secret_key *sk );
/****************
* List the keys
* If list is NULL, all available keys are listed
*/
void
public_key_list( STRLIST list )
{
if( !list )
list_all(0);
else
list_one( list, 0 );
}
void
secret_key_list( STRLIST list )
{
if( !list )
list_all(1);
else /* List by user id */
list_one( list, 1 );
}
static void
list_all( int secret )
{
KBPOS kbpos;
KBNODE keyblock = NULL;
int rc=0;
int lastresno;
rc = enum_keyblocks_begin( &kbpos, secret );
if( rc ) {
if( rc != -1 )
log_error("enum_keyblocks(open) failed: %s\n", gpg_errstr(rc) );
goto leave;
}
lastresno = -1;
while( !(rc = enum_keyblocks_next( kbpos, 1, &keyblock )) ) {
if( 1 /*lastresno != kbpos.resno FIXME!!! */ ) {
const char *s = "foo" /*keyblock_resource_name( &kbpos ) */;
int i;
/* FIXME lastresno = kbpos.resno*/
printf("%s\n", s );
for(i=strlen(s); i; i-- )
putchar('-');
putchar('\n');
}
merge_keys_and_selfsig( keyblock );
list_keyblock( keyblock, secret );
release_kbnode( keyblock ); keyblock = NULL;
}
if( rc && rc != -1 )
log_error("enum_keyblocks(read) failed: %s\n", gpg_errstr(rc));
leave:
enum_keyblocks_end( kbpos );
release_kbnode( keyblock );
}
/****************
* Check whether the user ID at NODE is valid; that is it has a
* valid self-signature but no later valid revocation.
* Caller has to pass the keyID of the primary in mainkey.
* Returns: NULL = valid
* string with the reason why it is invalid
*/
static const char *
is_uid_valid ( KBNODE keyblock, KBNODE uidnode, u32 *mainkid )
{
KBNODE node;
PKT_signature *selfsig = NULL; /* the latest valid self signature */
/* The key signature verify function can's handle secret keys yet and
* becuase we are not sure whether the duplication of user IDs and
* self-signatures should be kept on secret keys we are not going to fix
* it there. */
if ( keyblock->pkt->pkttype == PKT_SECRET_KEY )
return NULL;
assert ( uidnode->pkt->pkttype == PKT_USER_ID
|| uidnode->pkt->pkttype == PKT_PHOTO_ID );
/* first find out about the latest valid self-signature */
for ( node = uidnode->next; node; node = node->next ) {
PKT_signature *sig;
if ( node->pkt->pkttype == PKT_USER_ID
|| node->pkt->pkttype == PKT_PHOTO_ID
|| node->pkt->pkttype == PKT_PUBLIC_SUBKEY
|| node->pkt->pkttype == PKT_SECRET_SUBKEY )
break;
if ( node->pkt->pkttype != PKT_SIGNATURE )
continue;
sig = node->pkt->pkt.signature;
if ( mainkid[0] != sig->keyid[0] || mainkid[1] != sig->keyid[1] )
continue; /* we only care about self-signatures for now */
if ( (sig->sig_class&~3) == 0x10 ) { /* regular self signature */
if ( !check_key_signature( keyblock, node, NULL ) ) {
if ( !selfsig )
selfsig = sig; /* use the first valid sig */
else if ( sig->timestamp > selfsig->timestamp
&& sig->sig_class >= selfsig->sig_class )
selfsig = sig; /* but this one is newer */
}
}
}
if ( !selfsig )
return _("invalid"); /* no valid self signature */
/* watch out for a newer revocation */
for ( node = uidnode->next; node; node = node->next ) {
PKT_signature *sig;
if ( node->pkt->pkttype == PKT_USER_ID
|| node->pkt->pkttype == PKT_PHOTO_ID
|| node->pkt->pkttype == PKT_PUBLIC_SUBKEY
|| node->pkt->pkttype == PKT_SECRET_SUBKEY )
break;
if ( node->pkt->pkttype != PKT_SIGNATURE )
continue;
sig = node->pkt->pkt.signature;
if ( mainkid[0] != sig->keyid[0] || mainkid[1] != sig->keyid[1] )
continue; /* we only care about self-signatures for now */
if ( sig->sig_class == 0x30
&& sig->timestamp >= selfsig->timestamp ) {
if ( !check_key_signature( keyblock, node, NULL ) )
return _("revoked");
}
}
return NULL; /* UID is valid */
}
static void
list_one( STRLIST names, int secret )
{
int rc = 0;
KBNODE keyblock = NULL;
GETKEY_CTX ctx;
if( secret ) {
rc = get_seckey_bynames( &ctx, NULL, names, &keyblock );
if( rc ) {
log_error("error reading key: %s\n", gpg_errstr(rc) );
get_seckey_end( ctx );
return;
}
do {
merge_keys_and_selfsig( keyblock );
list_keyblock( keyblock, 1 );
release_kbnode( keyblock );
} while( !get_seckey_next( ctx, NULL, &keyblock ) );
get_seckey_end( ctx );
}
else {
rc = get_pubkey_bynames( &ctx, NULL, names, &keyblock );
if( rc ) {
log_error("error reading key: %s\n", gpg_errstr(rc) );
get_pubkey_end( ctx );
return;
}
do {
merge_keys_and_selfsig( keyblock );
list_keyblock( keyblock, 0 );
release_kbnode( keyblock );
} while( !get_pubkey_next( ctx, NULL, &keyblock ) );
get_pubkey_end( ctx );
}
}
static void
print_key_data( PKT_public_key *pk, u32 *keyid )
{
int n = pk ? pubkey_get_npkey( pk->pubkey_algo ) : 0;
int i;
for(i=0; i < n; i++ ) {
printf("pkd:%d:%u:", i, gcry_mpi_get_nbits( pk->pkey[i] ) );
mpi_print(stdout, pk->pkey[i], 1 );
putchar(':');
putchar('\n');
}
}
static void
list_keyblock( KBNODE keyblock, int secret )
{
int rc = 0;
KBNODE kbctx;
KBNODE node;
PKT_public_key *pk;
PKT_secret_key *sk;
u32 keyid[2];
int any=0;
int trustletter = 0;
int ulti_hack = 0;
/* get the keyid from the keyblock */
node = find_kbnode( keyblock, secret? PKT_SECRET_KEY : PKT_PUBLIC_KEY );
if( !node ) {
log_error("Oops; key lost!\n");
dump_kbnode( keyblock );
return;
}
if( secret ) {
pk = NULL;
sk = node->pkt->pkt.secret_key;
keyid_from_sk( sk, keyid );
if( opt.with_colons )
printf("sec:u:%u:%d:%08lX%08lX:%s:%s:::",
nbits_from_sk( sk ),
sk->pubkey_algo,
(ulong)keyid[0],(ulong)keyid[1],
datestr_from_sk( sk ),
sk->expiredate? strtimestamp(sk->expiredate):""
/* fixme: add LID here */ );
else
printf("sec %4u%c/%08lX %s ", nbits_from_sk( sk ),
pubkey_letter( sk->pubkey_algo ),
(ulong)keyid[1],
datestr_from_sk( sk ) );
}
else {
pk = node->pkt->pkt.public_key;
sk = NULL;
keyid_from_pk( pk, keyid );
if( opt.with_colons ) {
if ( opt.fast_list_mode ) {
fputs( "pub::", stdout );
trustletter = 0;
}
else {
trustletter = query_trust_info( pk, NULL );
if( trustletter == 'u' )
ulti_hack = 1;
printf("pub:%c:", trustletter );
}
printf("%u:%d:%08lX%08lX:%s:%s:",
nbits_from_pk( pk ),
pk->pubkey_algo,
(ulong)keyid[0],(ulong)keyid[1],
datestr_from_pk( pk ),
pk->expiredate? strtimestamp(pk->expiredate):"" );
if( pk->local_id )
printf("%lu", pk->local_id );
putchar(':');
if( pk->local_id && !opt.fast_list_mode )
putchar( get_ownertrust_info( pk->local_id ) );
putchar(':');
}
else
printf("pub %4u%c/%08lX %s ", nbits_from_pk( pk ),
pubkey_letter( pk->pubkey_algo ),
(ulong)keyid[1],
datestr_from_pk( pk ) );
}
for( kbctx=NULL; (node=walk_kbnode( keyblock, &kbctx, 0)) ; ) {
if( node->pkt->pkttype == PKT_USER_ID && !opt.fast_list_mode ) {
if( any ) {
if ( opt.with_colons ) {
byte namehash[20];
if( pk && !ulti_hack ) {
if( node->pkt->pkt.user_id->photo ) {
gcry_md_hash_buffer( GCRY_MD_RMD160, namehash,
node->pkt->pkt.user_id->name,
node->pkt->pkt.user_id->len );
}
else {
gcry_md_hash_buffer( GCRY_MD_RMD160, namehash,
node->pkt->pkt.user_id->name,
node->pkt->pkt.user_id->len );
}
trustletter = query_trust_info( pk, namehash );
}
else
trustletter = 'u';
printf("uid:%c::::::::", trustletter);
}
else
printf("uid%*s", 28, "");
}
if( opt.with_colons ) {
print_string( stdout, node->pkt->pkt.user_id->name,
node->pkt->pkt.user_id->len, ':' );
putchar(':');
}
else {
const char *s = is_uid_valid ( keyblock, node, keyid );
if ( s )
printf ("[%s] ", s );
print_utf8_string( stdout, node->pkt->pkt.user_id->name,
node->pkt->pkt.user_id->len );
}
putchar('\n');
if( !any ) {
if( opt.fingerprint )
fingerprint( pk, sk );
if( opt.with_key_data )
print_key_data( pk, keyid );
any = 1;
}
}
else if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY ) {
u32 keyid2[2];
PKT_public_key *pk2 = node->pkt->pkt.public_key;
if( !any ) {
putchar('\n');
if( opt.fingerprint )
fingerprint( pk, sk ); /* of the main key */
any = 1;
}
keyid_from_pk( pk2, keyid2 );
if( opt.with_colons ) {
if ( opt.fast_list_mode ) {
fputs( "sub::", stdout );
}
else {
printf("sub:%c:", trustletter );
}
printf("%u:%d:%08lX%08lX:%s:%s:",
nbits_from_pk( pk2 ),
pk2->pubkey_algo,
(ulong)keyid2[0],(ulong)keyid2[1],
datestr_from_pk( pk2 ),
pk2->expiredate? strtimestamp(pk2->expiredate):""
/* fixme: add LID and ownertrust here */
);
if( pk->local_id ) /* use the local_id of the main key??? */
printf("%lu", pk->local_id );
putchar(':');
putchar(':');
putchar('\n');
}
else {
printf("sub %4u%c/%08lX %s", nbits_from_pk( pk2 ),
pubkey_letter( pk2->pubkey_algo ),
(ulong)keyid2[1],
datestr_from_pk( pk2 ) );
if( pk2->expiredate ) {
printf(_(" [expires: %s]"), expirestr_from_pk( pk2 ) );
}
putchar('\n');
}
if( opt.fingerprint > 1 )
fingerprint( pk2, NULL );
if( opt.with_key_data )
print_key_data( pk2, keyid2 );
}
else if( node->pkt->pkttype == PKT_SECRET_SUBKEY ) {
u32 keyid2[2];
PKT_secret_key *sk2 = node->pkt->pkt.secret_key;
if( !any ) {
putchar('\n');
if( opt.fingerprint )
fingerprint( pk, sk ); /* of the main key */
any = 1;
}
keyid_from_sk( sk2, keyid2 );
if( opt.with_colons )
printf("ssb::%u:%d:%08lX%08lX:%s:%s:::\n",
nbits_from_sk( sk2 ),
sk2->pubkey_algo,
(ulong)keyid2[0],(ulong)keyid2[1],
datestr_from_sk( sk2 ),
sk2->expiredate? strtimestamp(sk2->expiredate):""
/* fixme: add LID */
);
else
printf("ssb %4u%c/%08lX %s\n", nbits_from_sk( sk2 ),
pubkey_letter( sk2->pubkey_algo ),
(ulong)keyid2[1],
datestr_from_sk( sk2 ) );
if( opt.fingerprint > 1 )
fingerprint( NULL, sk2 );
}
else if( opt.list_sigs && node->pkt->pkttype == PKT_SIGNATURE ) {
PKT_signature *sig = node->pkt->pkt.signature;
int sigrc;
char *sigstr;
if( !any ) { /* no user id, (maybe a revocation follows)*/
if( sig->sig_class == 0x20 )
puts("[revoked]");
else if( sig->sig_class == 0x18 )
puts("[key binding]");
else if( sig->sig_class == 0x28 )
puts("[subkey revoked]");
else
putchar('\n');
if( opt.fingerprint )
fingerprint( pk, sk );
any=1;
}
if( sig->sig_class == 0x20 || sig->sig_class == 0x28
|| sig->sig_class == 0x30 )
sigstr = "rev";
else if( (sig->sig_class&~3) == 0x10 )
sigstr = "sig";
else if( sig->sig_class == 0x18 )
sigstr = "sig";
else {
if( opt.with_colons )
printf("sig::::::::::%02x:\n",sig->sig_class );
else
printf("sig "
"[unexpected signature class 0x%02x]\n",sig->sig_class );
continue;
}
if( opt.check_sigs ) {
fflush(stdout);
rc = check_key_signature( keyblock, node, NULL );
switch( rc ) {
case 0: sigrc = '!'; break;
case GPGERR_BAD_SIGN: sigrc = '-'; break;
case GPGERR_NO_PUBKEY: sigrc = '?'; break;
default: sigrc = '%'; break;
}
}
else {
rc = 0;
sigrc = ' ';
}
fputs( sigstr, stdout );
if( opt.with_colons ) {
putchar(':');
if( sigrc != ' ' )
putchar(sigrc);
printf("::%d:%08lX%08lX:%s::::", sig->pubkey_algo,
(ulong)sig->keyid[0],
(ulong)sig->keyid[1], datestr_from_sig(sig));
}
else
printf("%c %08lX %s ",
sigrc, (ulong)sig->keyid[1], datestr_from_sig(sig));
if( sigrc == '%' )
printf("[%s] ", gpg_errstr(rc) );
else if( sigrc == '?' )
;
else if ( !opt.fast_list_mode ) {
size_t n;
char *p = get_user_id( sig->keyid, &n );
if( opt.with_colons )
print_string( stdout, p, n, ':' );
else
print_utf8_string( stdout, p, n );
gcry_free(p);
}
if( opt.with_colons )
printf(":%02x:", sig->sig_class );
putchar('\n');
/* FIXME: check or list other sigs here (subpkt PRIV_ADD_SIG)*/
}
}
if( !any ) {/* oops, no user id */
if( opt.with_colons )
putchar(':');
putchar('\n');
}
else if( !opt.with_colons )
putchar('\n'); /* separator line */
}
static void
fingerprint( PKT_public_key *pk, PKT_secret_key *sk )
{
byte *array, *p;
size_t i, n;
p = array = pk? fingerprint_from_pk( pk, NULL, &n )
: fingerprint_from_sk( sk, NULL, &n );
if( opt.with_colons ) {
printf("fpr:::::::::");
for(i=0; i < n ; i++, p++ )
printf("%02X", *p );
putchar(':');
}
else {
printf(" Key fingerprint =");
if( n == 20 ) {
for(i=0; i < n ; i++, i++, p += 2 ) {
if( i == 10 )
putchar(' ');
printf(" %02X%02X", *p, p[1] );
}
}
else {
for(i=0; i < n ; i++, p++ ) {
if( i && !(i%8) )
putchar(' ');
printf(" %02X", *p );
}
}
}
putchar('\n');
gcry_free(array);
}
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