* options.h, g10.c (main), keyedit.c (keyedit_menu): Use --interactive
[gnupg.git] / g10 / keyedit.c
1 /* keyedit.c - keyedit stuff
2  * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3  *               2005 Free Software Foundation, Inc.
4  *
5  * This file is part of GnuPG.
6  *
7  * GnuPG is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * GnuPG is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
20  * USA.
21  */
22
23 #include <config.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <errno.h>
28 #include <assert.h>
29 #include <ctype.h>
30 #ifdef HAVE_LIBREADLINE
31 #include <stdio.h>
32 #include <readline/readline.h>
33 #endif
34 #include "options.h"
35 #include "packet.h"
36 #include "errors.h"
37 #include "iobuf.h"
38 #include "keydb.h"
39 #include "memory.h"
40 #include "photoid.h"
41 #include "util.h"
42 #include "main.h"
43 #include "trustdb.h"
44 #include "filter.h"
45 #include "ttyio.h"
46 #include "status.h"
47 #include "i18n.h"
48 #include "keyserver-internal.h"
49
50 static void show_prefs( PKT_user_id *uid, PKT_signature *selfsig, int verbose);
51 static void show_key_with_all_names( KBNODE keyblock, int only_marked,
52             int with_revoker, int with_fpr, int with_subkeys, int with_prefs );
53 static void show_key_and_fingerprint( KBNODE keyblock );
54 static int menu_adduid( KBNODE keyblock, KBNODE sec_keyblock, int photo );
55 static void menu_deluid( KBNODE pub_keyblock, KBNODE sec_keyblock );
56 static int menu_delsig( KBNODE pub_keyblock );
57 static int menu_clean_sigs_from_uids(KBNODE keyblock);
58 static int menu_clean_uids_from_key(KBNODE keyblock);
59 static void menu_delkey( KBNODE pub_keyblock, KBNODE sec_keyblock );
60 static int menu_addrevoker( KBNODE pub_keyblock,
61                             KBNODE sec_keyblock, int sensitive );
62 static int menu_expire( KBNODE pub_keyblock, KBNODE sec_keyblock );
63 static int menu_set_primary_uid( KBNODE pub_keyblock, KBNODE sec_keyblock );
64 static int menu_set_preferences( KBNODE pub_keyblock, KBNODE sec_keyblock );
65 static int menu_set_keyserver_url (const char *url,
66                                    KBNODE pub_keyblock, KBNODE sec_keyblock );
67 static int menu_select_uid( KBNODE keyblock, int idx );
68 static int menu_select_uid_namehash( KBNODE keyblock, const char *namehash );
69 static int menu_select_key( KBNODE keyblock, int idx );
70 static int count_uids( KBNODE keyblock );
71 static int count_uids_with_flag( KBNODE keyblock, unsigned flag );
72 static int count_keys_with_flag( KBNODE keyblock, unsigned flag );
73 static int count_selected_uids( KBNODE keyblock );
74 static int real_uids_left( KBNODE keyblock );
75 static int count_selected_keys( KBNODE keyblock );
76 static int menu_revsig( KBNODE keyblock );
77 static int menu_revuid( KBNODE keyblock, KBNODE sec_keyblock );
78 static int menu_revkey( KBNODE pub_keyblock, KBNODE sec_keyblock );
79 static int menu_revsubkey( KBNODE pub_keyblock, KBNODE sec_keyblock );
80 static int enable_disable_key( KBNODE keyblock, int disable );
81 static void menu_showphoto( KBNODE keyblock );
82
83 static int update_trust=0;
84
85 #define CONTROL_D ('D' - 'A' + 1)
86
87 #define NODFLG_BADSIG (1<<0)  /* bad signature */
88 #define NODFLG_NOKEY  (1<<1)  /* no public key */
89 #define NODFLG_SIGERR (1<<2)  /* other sig error */
90
91 #define NODFLG_MARK_A (1<<4)  /* temporary mark */
92 #define NODFLG_DELSIG (1<<5)  /* to be deleted */
93
94 #define NODFLG_SELUID (1<<8)  /* indicate the selected userid */
95 #define NODFLG_SELKEY (1<<9)  /* indicate the selected key */
96 #define NODFLG_SELSIG (1<<10) /* indicate a selected signature */
97
98 struct sign_attrib {
99     int non_exportable,non_revocable;
100     struct revocation_reason_info *reason;
101     byte trust_depth,trust_value;
102     char *trust_regexp;
103 };
104
105
106 #ifdef ENABLE_CARD_SUPPORT
107 /* Given a node SEC_NODE with a secret key or subkey, locate the
108    corresponding public key from pub_keyblock. */
109 static PKT_public_key *
110 find_pk_from_sknode (KBNODE pub_keyblock, KBNODE sec_node)
111 {
112   KBNODE node = pub_keyblock;
113   PKT_secret_key *sk;
114   PKT_public_key *pk;
115   
116   if (sec_node->pkt->pkttype == PKT_SECRET_KEY
117       && node->pkt->pkttype == PKT_PUBLIC_KEY)
118     return node->pkt->pkt.public_key;
119   if (sec_node->pkt->pkttype != PKT_SECRET_SUBKEY)
120     return NULL;
121   sk = sec_node->pkt->pkt.secret_key;
122   for (; node; node = node->next)
123     if (node->pkt->pkttype == PKT_PUBLIC_SUBKEY)
124       {
125         pk = node->pkt->pkt.public_key;
126         if (pk->keyid[0] == sk->keyid[0] && pk->keyid[1] == sk->keyid[1])
127           return pk;
128       }
129       
130   return NULL;
131 }
132 #endif /* ENABLE_CARD_SUPPORT */
133
134
135 /* TODO: Fix duplicated code between here and the check-sigs/list-sigs
136    code in keylist.c. */
137 static int
138 print_and_check_one_sig_colon( KBNODE keyblock, KBNODE node,
139                                int *inv_sigs, int *no_key, int *oth_err,
140                                int *is_selfsig, int print_without_key )
141 {
142   PKT_signature *sig = node->pkt->pkt.signature;
143   int rc, sigrc;
144
145   /* TODO: Make sure a cached sig record here still has the pk that
146      issued it.  See also keylist.c:list_keyblock_print */
147
148   switch((rc=check_key_signature(keyblock,node,is_selfsig)))
149     {
150     case 0:
151       node->flag &= ~(NODFLG_BADSIG|NODFLG_NOKEY|NODFLG_SIGERR);
152       sigrc = '!';
153       break;
154     case G10ERR_BAD_SIGN:
155       node->flag = NODFLG_BADSIG;
156       sigrc = '-';
157       if( inv_sigs )
158         ++*inv_sigs;
159       break;
160     case G10ERR_NO_PUBKEY:
161     case G10ERR_UNU_PUBKEY:
162       node->flag = NODFLG_NOKEY;
163       sigrc = '?';
164       if( no_key )
165         ++*no_key;
166       break;
167     default:
168       node->flag = NODFLG_SIGERR;
169       sigrc = '%';
170       if( oth_err )
171         ++*oth_err;
172       break;
173     }
174
175   if( sigrc != '?' || print_without_key )
176     {
177       printf("sig:%c::%d:%08lX%08lX:%lu:%lu:",
178              sigrc,sig->pubkey_algo,(ulong)sig->keyid[0],(ulong)sig->keyid[1],
179              (ulong)sig->timestamp,(ulong)sig->expiredate);
180
181       if(sig->trust_depth || sig->trust_value)
182         printf("%d %d",sig->trust_depth,sig->trust_value);
183
184       printf(":");
185
186       if(sig->trust_regexp)
187         print_string(stdout,sig->trust_regexp,strlen(sig->trust_regexp),':');
188
189       printf("::%02x%c\n",sig->sig_class,sig->flags.exportable?'x':'l');
190
191       if(opt.show_subpackets)
192         print_subpackets_colon(sig);
193     }
194
195   return (sigrc == '!');
196 }
197
198
199 /****************
200  * Print information about a signature, check it and return true
201  * if the signature is okay. NODE must be a signature packet.
202  */
203 static int
204 print_and_check_one_sig( KBNODE keyblock, KBNODE node,
205                          int *inv_sigs, int *no_key, int *oth_err,
206                         int *is_selfsig, int print_without_key )
207 {
208     PKT_signature *sig = node->pkt->pkt.signature;
209     int rc, sigrc;
210     int is_rev = sig->sig_class == 0x30;
211
212     /* TODO: Make sure a cached sig record here still has the pk that
213        issued it.  See also keylist.c:list_keyblock_print */
214
215     switch( (rc = check_key_signature( keyblock, node, is_selfsig)) ) {
216       case 0:
217         node->flag &= ~(NODFLG_BADSIG|NODFLG_NOKEY|NODFLG_SIGERR);
218         sigrc = '!';
219         break;
220       case G10ERR_BAD_SIGN:
221         node->flag = NODFLG_BADSIG;
222         sigrc = '-';
223         if( inv_sigs )
224             ++*inv_sigs;
225         break;
226       case G10ERR_NO_PUBKEY:
227       case G10ERR_UNU_PUBKEY:
228         node->flag = NODFLG_NOKEY;
229         sigrc = '?';
230         if( no_key )
231             ++*no_key;
232         break;
233       default:
234         node->flag = NODFLG_SIGERR;
235         sigrc = '%';
236         if( oth_err )
237             ++*oth_err;
238         break;
239     }
240     if( sigrc != '?' || print_without_key ) {
241         tty_printf("%s%c%c %c%c%c%c%c%c %s %s",
242                    is_rev? "rev":"sig",sigrc,
243                    (sig->sig_class-0x10>0 &&
244                     sig->sig_class-0x10<4)?'0'+sig->sig_class-0x10:' ',
245                    sig->flags.exportable?' ':'L',
246                    sig->flags.revocable?' ':'R',
247                    sig->flags.policy_url?'P':' ',
248                    sig->flags.notation?'N':' ',
249                    sig->flags.expired?'X':' ',
250                    (sig->trust_depth>9)?'T':
251                    (sig->trust_depth>0)?'0'+sig->trust_depth:' ',
252                    keystr(sig->keyid),datestr_from_sig(sig));
253         if(opt.list_options&LIST_SHOW_SIG_EXPIRE)
254           tty_printf(" %s",expirestr_from_sig(sig));
255         tty_printf("  ");
256         if( sigrc == '%' )
257             tty_printf("[%s] ", g10_errstr(rc) );
258         else if( sigrc == '?' )
259             ;
260         else if( *is_selfsig ) {
261             tty_printf( is_rev? _("[revocation]")
262                               : _("[self-signature]") );
263         }
264         else
265           {
266             size_t n;
267             char *p = get_user_id( sig->keyid, &n );
268             tty_print_utf8_string2(p, n, opt.screen_columns-keystrlen()-26-
269                                ((opt.list_options&LIST_SHOW_SIG_EXPIRE)?11:0));
270             m_free(p);
271           }
272         tty_printf("\n");
273
274         if(sig->flags.policy_url && (opt.list_options&LIST_SHOW_POLICY_URLS))
275           show_policy_url(sig,3,0);
276
277         if(sig->flags.notation && (opt.list_options&LIST_SHOW_NOTATIONS))
278           show_notation(sig,3,0,
279                         ((opt.list_options&LIST_SHOW_STD_NOTATIONS)?1:0)+
280                         ((opt.list_options&LIST_SHOW_USER_NOTATIONS)?2:0));
281
282         if(sig->flags.pref_ks && (opt.list_options&LIST_SHOW_KEYSERVER_URLS))
283           show_keyserver_url(sig,3,0);
284     }
285
286     return (sigrc == '!');
287 }
288
289
290
291 /****************
292  * Check the keysigs and set the flags to indicate errors.
293  * Returns true if error found.
294  */
295 static int
296 check_all_keysigs( KBNODE keyblock, int only_selected )
297 {
298     KBNODE kbctx;
299     KBNODE node;
300     int inv_sigs = 0;
301     int no_key = 0;
302     int oth_err = 0;
303     int has_selfsig = 0;
304     int mis_selfsig = 0;
305     int selected = !only_selected;
306     int anyuid = 0;
307
308     for( kbctx=NULL; (node=walk_kbnode( keyblock, &kbctx, 0)) ; ) {
309         if( node->pkt->pkttype == PKT_USER_ID ) {
310             PKT_user_id *uid = node->pkt->pkt.user_id;
311
312             if( only_selected )
313                 selected = (node->flag & NODFLG_SELUID);
314             if( selected ) {
315                 tty_printf("uid  ");
316                 tty_print_utf8_string( uid->name, uid->len );
317                 tty_printf("\n");
318                 if( anyuid && !has_selfsig )
319                     mis_selfsig++;
320                 has_selfsig = 0;
321                 anyuid = 1;
322             }
323         }
324         else if( selected && node->pkt->pkttype == PKT_SIGNATURE
325                  && ( (node->pkt->pkt.signature->sig_class&~3) == 0x10
326                      || node->pkt->pkt.signature->sig_class == 0x30 )  ) {
327             int selfsig;
328
329             if( print_and_check_one_sig( keyblock, node, &inv_sigs,
330                                         &no_key, &oth_err, &selfsig, 0 ) ) {
331                 if( selfsig )
332                     has_selfsig = 1;
333             }
334             /* Hmmm: should we update the trustdb here? */
335         }
336     }
337     if( !has_selfsig )
338         mis_selfsig++;
339     if( inv_sigs == 1 )
340         tty_printf(_("1 bad signature\n") );
341     else if( inv_sigs )
342         tty_printf(_("%d bad signatures\n"), inv_sigs );
343     if( no_key == 1 )
344         tty_printf(_("1 signature not checked due to a missing key\n") );
345     else if( no_key )
346         tty_printf(_("%d signatures not checked due to missing keys\n"), no_key );
347     if( oth_err == 1 )
348         tty_printf(_("1 signature not checked due to an error\n") );
349     else if( oth_err )
350         tty_printf(_("%d signatures not checked due to errors\n"), oth_err );
351     if( mis_selfsig == 1 )
352         tty_printf(_("1 user ID without valid self-signature detected\n"));
353     else if( mis_selfsig  )
354         tty_printf(_("%d user IDs without valid self-signatures detected\n"),
355                                                                     mis_selfsig);
356
357     return inv_sigs || no_key || oth_err || mis_selfsig;
358 }
359
360
361 static int
362 sign_mk_attrib( PKT_signature *sig, void *opaque )
363 {
364     struct sign_attrib *attrib = opaque;
365     byte buf[8];
366
367     if( attrib->non_exportable ) {
368         buf[0] = 0; /* not exportable */
369         build_sig_subpkt( sig, SIGSUBPKT_EXPORTABLE, buf, 1 );
370     }
371
372     if( attrib->non_revocable ) {
373         buf[0] = 0; /* not revocable */
374         build_sig_subpkt( sig, SIGSUBPKT_REVOCABLE, buf, 1 );
375     }
376
377     if( attrib->reason )
378         revocation_reason_build_cb( sig, attrib->reason );
379
380     if(attrib->trust_depth)
381       {
382         /* Not critical.  If someone doesn't understand trust sigs,
383            this can still be a valid regular signature. */
384         buf[0] = attrib->trust_depth;
385         buf[1] = attrib->trust_value;
386         build_sig_subpkt(sig,SIGSUBPKT_TRUST,buf,2);
387
388         /* Critical.  If someone doesn't understands regexps, this
389            whole sig should be invalid.  Note the +1 for the length -
390            regexps are null terminated. */
391         if(attrib->trust_regexp)
392           build_sig_subpkt(sig,SIGSUBPKT_FLAG_CRITICAL|SIGSUBPKT_REGEXP,
393                            attrib->trust_regexp,
394                            strlen(attrib->trust_regexp)+1);
395       }
396
397     return 0;
398 }
399
400 static void
401 trustsig_prompt(byte *trust_value,byte *trust_depth,char **regexp)
402 {
403   char *p;
404
405   *trust_value=0;
406   *trust_depth=0;
407   *regexp=NULL;
408
409   /* Same string as pkclist.c:do_edit_ownertrust */
410   tty_printf(_("Please decide how far you trust this user to correctly verify"
411                " other users' keys\n(by looking at passports, checking"
412                " fingerprints from different sources, etc.)\n"));
413   tty_printf("\n");
414   tty_printf (_("  %d = I trust marginally\n"), 1);
415   tty_printf (_("  %d = I trust fully\n"), 2);
416   tty_printf("\n");
417
418   while(*trust_value==0)
419     {
420       p = cpr_get("trustsig_prompt.trust_value",_("Your selection? "));
421       trim_spaces(p);
422       cpr_kill_prompt();
423       /* 60 and 120 are as per RFC2440 */
424       if(p[0]=='1' && !p[1])
425         *trust_value=60;
426       else if(p[0]=='2' && !p[1])
427         *trust_value=120;
428       m_free(p);
429     }
430
431   tty_printf("\n");
432
433   tty_printf(_(
434               "Please enter the depth of this trust signature.\n"
435               "A depth greater than 1 allows the key you are signing to make\n"
436               "trust signatures on your behalf.\n"));
437   tty_printf("\n");
438
439   while(*trust_depth==0)
440     {
441       p = cpr_get("trustsig_prompt.trust_depth",_("Your selection? "));
442       trim_spaces(p);
443       cpr_kill_prompt();
444       *trust_depth=atoi(p);
445       m_free(p);
446     }
447
448   tty_printf("\n");
449
450   tty_printf(_("Please enter a domain to restrict this signature, "
451                "or enter for none.\n"));
452
453   tty_printf("\n");
454
455   p=cpr_get("trustsig_prompt.trust_regexp",_("Your selection? "));
456   trim_spaces(p);
457   cpr_kill_prompt();
458
459   if(strlen(p)>0)
460     {
461       char *q=p;
462       int regexplen=100,ind;
463
464       *regexp=m_alloc(regexplen);
465
466       /* Now mangle the domain the user entered into a regexp.  To do
467          this, \-escape everything that isn't alphanumeric, and attach
468          "<[^>]+[@.]" to the front, and ">$" to the end. */
469
470       strcpy(*regexp,"<[^>]+[@.]");
471       ind=strlen(*regexp);
472
473       while(*q)
474         {
475           if(!((*q>='A' && *q<='Z')
476                || (*q>='a' && *q<='z') || (*q>='0' && *q<='9')))
477             (*regexp)[ind++]='\\';
478
479           (*regexp)[ind++]=*q;
480
481           if((regexplen-ind)<3)
482             {
483               regexplen+=100;
484               *regexp=m_realloc(*regexp,regexplen);
485             }
486
487           q++;
488         }
489
490       (*regexp)[ind]='\0';
491       strcat(*regexp,">$");
492     }
493
494   m_free(p);
495   tty_printf("\n");
496 }
497
498 /****************
499  * Loop over all locusr and and sign the uids after asking.
500  * If no user id is marked, all user ids will be signed;
501  * if some user_ids are marked those will be signed.
502  */
503 static int
504 sign_uids( KBNODE keyblock, STRLIST locusr, int *ret_modified,
505            int local, int nonrevocable, int trust, int interactive )
506 {
507     int rc = 0;
508     SK_LIST sk_list = NULL;
509     SK_LIST sk_rover = NULL;
510     PKT_secret_key *sk = NULL;
511     KBNODE node, uidnode;
512     PKT_public_key *primary_pk=NULL;
513     int select_all = !count_selected_uids(keyblock) || interactive;
514     int all_v3=1;
515
516     /* Are there any non-v3 sigs on this key already? */
517     if(PGP2)
518       for(node=keyblock;node;node=node->next)
519         if(node->pkt->pkttype==PKT_SIGNATURE &&
520            node->pkt->pkt.signature->version>3)
521           {
522             all_v3=0;
523             break;
524           }
525
526     /* build a list of all signators.
527      *    
528      * We use the CERT flag to request the primary which must always
529      * be one which is capable of signing keys.  I can't see a reason
530      * why to sign keys using a subkey.  Implementation of USAGE_CERT
531      * is just a hack in getkey.c and does not mean that a subkey
532      * marked as certification capable will be used */
533     rc=build_sk_list( locusr, &sk_list, 0, PUBKEY_USAGE_SIG|PUBKEY_USAGE_CERT);
534     if( rc )
535         goto leave;
536
537     /* loop over all signators */
538     for( sk_rover = sk_list; sk_rover; sk_rover = sk_rover->next ) {
539         u32 sk_keyid[2],pk_keyid[2];
540         char *p,*trust_regexp=NULL;
541         int force_v4=0,class=0,selfsig=0;
542         u32 duration=0,timestamp=0;
543         byte trust_depth=0,trust_value=0;
544
545         if(local || nonrevocable || trust ||
546            opt.cert_policy_url || opt.cert_notation_data)
547           force_v4=1;
548
549         /* we have to use a copy of the sk, because make_keysig_packet
550          * may remove the protection from sk and if we did other
551          * changes to the secret key, we would save the unprotected
552          * version */
553         if( sk )
554             free_secret_key(sk);
555         sk = copy_secret_key( NULL, sk_rover->sk );
556         keyid_from_sk( sk, sk_keyid );
557         /* set mark A for all selected user ids */
558         for( node=keyblock; node; node = node->next ) {
559             if( select_all || (node->flag & NODFLG_SELUID) )
560                 node->flag |= NODFLG_MARK_A;
561             else
562                 node->flag &= ~NODFLG_MARK_A;
563         }
564         /* reset mark for uids which are already signed */
565         uidnode = NULL;
566         for( node=keyblock; node; node = node->next ) {
567             if( node->pkt->pkttype == PKT_PUBLIC_KEY ) {
568                 primary_pk=node->pkt->pkt.public_key;
569                 keyid_from_pk( primary_pk, pk_keyid );
570
571                 /* Is this a self-sig? */
572                 if(pk_keyid[0]==sk_keyid[0] && pk_keyid[1]==sk_keyid[1])
573                   {
574                     selfsig=1;
575                     /* Do not force a v4 sig here, otherwise it would
576                        be difficult to remake a v3 selfsig.  If this
577                        is a v3->v4 promotion case, then we set
578                        force_v4 later anyway. */
579                     force_v4=0;
580                   }
581             }
582             else if( node->pkt->pkttype == PKT_USER_ID )
583               {
584                 uidnode = (node->flag & NODFLG_MARK_A)? node : NULL;
585                 if(uidnode)
586                   {
587                     int yesreally=0;
588                     char *user=utf8_to_native(uidnode->pkt->pkt.user_id->name,
589                                               uidnode->pkt->pkt.user_id->len,
590                                               0);
591
592                     if(uidnode->pkt->pkt.user_id->is_revoked)
593                       {
594                         tty_printf(_("User ID \"%s\" is revoked."),user);
595
596                         if(selfsig)
597                           tty_printf("\n");
598                         else if(opt.expert)
599                           {
600                             tty_printf("\n");
601                             /* No, so remove the mark and continue */
602                             if(!cpr_get_answer_is_yes("sign_uid.revoke_okay",
603                                                       _("Are you sure you "
604                                                         "still want to sign "
605                                                         "it? (y/N) ")))
606                               {
607                                 uidnode->flag &= ~NODFLG_MARK_A;
608                                 uidnode=NULL;
609                               }
610                             else if(interactive)
611                               yesreally=1;
612                           }
613                         else
614                           {
615                             uidnode->flag &= ~NODFLG_MARK_A;
616                             uidnode=NULL;
617                             tty_printf(_("  Unable to sign.\n"));
618                           }
619                       }
620                     else if(uidnode->pkt->pkt.user_id->is_expired)
621                       {
622                         tty_printf(_("User ID \"%s\" is expired."),user);
623
624                         if(selfsig)
625                           tty_printf("\n");
626                         else if(opt.expert)
627                           {
628                             tty_printf("\n");
629                             /* No, so remove the mark and continue */
630                             if(!cpr_get_answer_is_yes("sign_uid.expire_okay",
631                                                       _("Are you sure you "
632                                                         "still want to sign "
633                                                         "it? (y/N) ")))
634                               {
635                                 uidnode->flag &= ~NODFLG_MARK_A;
636                                 uidnode=NULL;
637                               }
638                             else if(interactive)
639                               yesreally=1;
640                           }
641                         else
642                           {
643                             uidnode->flag &= ~NODFLG_MARK_A;
644                             uidnode=NULL;
645                             tty_printf(_("  Unable to sign.\n"));
646                           }
647                       }
648                     else if(!uidnode->pkt->pkt.user_id->created && !selfsig)
649                       {
650                         tty_printf(_("User ID \"%s\" is not self-signed."),
651                                    user);
652
653                         if(opt.expert)
654                           {
655                             tty_printf("\n");
656                             /* No, so remove the mark and continue */
657                             if(!cpr_get_answer_is_yes("sign_uid.nosig_okay",
658                                                       _("Are you sure you "
659                                                         "still want to sign "
660                                                         "it? (y/N) ")))
661                               {
662                                 uidnode->flag &= ~NODFLG_MARK_A;
663                                 uidnode=NULL;
664                               }
665                             else if(interactive)
666                               yesreally=1;
667                           }
668                         else
669                           {
670                             uidnode->flag &= ~NODFLG_MARK_A;
671                             uidnode=NULL;
672                             tty_printf(_("  Unable to sign.\n"));
673                           }
674                       }
675
676                     if(uidnode && interactive && !yesreally)
677                       {
678                         tty_printf(_("User ID \"%s\" is signable.  "),user);
679                         if(!cpr_get_answer_is_yes("sign_uid.sign_okay",
680                                                   _("Sign it? (y/N) ")))
681                           {
682                             uidnode->flag &= ~NODFLG_MARK_A;
683                             uidnode=NULL;
684                           }
685                       }
686
687                     m_free(user);
688                   }
689               }
690             else if( uidnode && node->pkt->pkttype == PKT_SIGNATURE
691                 && (node->pkt->pkt.signature->sig_class&~3) == 0x10 ) {
692                 if( sk_keyid[0] == node->pkt->pkt.signature->keyid[0]
693                     && sk_keyid[1] == node->pkt->pkt.signature->keyid[1] ) {
694                     char buf[50];
695                     char *user=utf8_to_native(uidnode->pkt->pkt.user_id->name,
696                                               uidnode->pkt->pkt.user_id->len,
697                                               0);
698
699                     /* It's a v3 self-sig.  Make it into a v4 self-sig? */
700                     if(node->pkt->pkt.signature->version<4 && selfsig)
701                       {
702                         tty_printf(_("The self-signature on \"%s\"\n"
703                                      "is a PGP 2.x-style signature.\n"),user);
704  
705                         /* Note that the regular PGP2 warning below
706                            still applies if there are no v4 sigs on
707                            this key at all. */
708
709                         if(opt.expert)
710                           if(cpr_get_answer_is_yes("sign_uid.v4_promote_okay",
711                                                    _("Do you want to promote "
712                                                      "it to an OpenPGP self-"
713                                                      "signature? (y/N) ")))
714                             {
715                               force_v4=1;
716                               node->flag|=NODFLG_DELSIG;
717                               m_free(user);
718                               continue;
719                             }
720                       }
721
722                     /* Is the current signature expired? */
723                     if(node->pkt->pkt.signature->flags.expired)
724                       {
725                         tty_printf(_("Your current signature on \"%s\"\n"
726                                      "has expired.\n"),user);
727
728                         if(cpr_get_answer_is_yes("sign_uid.replace_expired_okay",
729                                                  _("Do you want to issue a "
730                                                    "new signature to replace "
731                                                    "the expired one? (y/N) ")))
732                           {
733                             /* Mark these for later deletion.  We
734                                don't want to delete them here, just in
735                                case the replacement signature doesn't
736                                happen for some reason.  We only delete
737                                these after the replacement is already
738                                in place. */
739
740                             node->flag|=NODFLG_DELSIG;
741                             m_free(user);
742                             continue;
743                           }
744                       }
745
746                     if(!node->pkt->pkt.signature->flags.exportable && !local)
747                       {
748                         /* It's a local sig, and we want to make a
749                            exportable sig. */
750                         tty_printf(_("Your current signature on \"%s\"\n"
751                                      "is a local signature.\n"),user);
752
753                         if(cpr_get_answer_is_yes("sign_uid.local_promote_okay",
754                                                  _("Do you want to promote "
755                                                    "it to a full exportable "
756                                                    "signature? (y/N) ")))
757                           {
758                             /* Mark these for later deletion.  We
759                                don't want to delete them here, just in
760                                case the replacement signature doesn't
761                                happen for some reason.  We only delete
762                                these after the replacement is already
763                                in place. */
764
765                             node->flag|=NODFLG_DELSIG;
766                             m_free(user);
767                             continue;
768                           }
769                       }
770
771                     /* Fixme: see whether there is a revocation in which
772                      * case we should allow to sign it again. */
773                     if (!node->pkt->pkt.signature->flags.exportable && local)
774                       tty_printf(_(
775                               "\"%s\" was already locally signed by key %s\n"),
776                                  user,keystr_from_sk(sk));
777                     else
778                       tty_printf(_("\"%s\" was already signed by key %s\n"),
779                                  user,keystr_from_sk(sk));
780
781                     if(opt.expert
782                        && cpr_get_answer_is_yes("sign_uid.dupe_okay",
783                                                 _("Do you want to sign it "
784                                                   "again anyway? (y/N) ")))
785                       {
786                         /* Don't delete the old sig here since this is
787                            an --expert thing. */
788                         m_free(user);
789                         continue;
790                       }
791
792                     sprintf (buf, "%08lX%08lX",
793                              (ulong)sk->keyid[0], (ulong)sk->keyid[1] );
794                     write_status_text (STATUS_ALREADY_SIGNED, buf);
795                     uidnode->flag &= ~NODFLG_MARK_A; /* remove mark */
796
797                     m_free(user);
798                 }
799             }
800         }
801
802         /* check whether any uids are left for signing */
803         if( !count_uids_with_flag(keyblock, NODFLG_MARK_A) )
804           {
805             tty_printf(_("Nothing to sign with key %s\n"),keystr_from_sk(sk));
806             continue;
807           }
808
809         /* Ask whether we really should sign these user id(s) */
810         tty_printf("\n");
811         show_key_with_all_names( keyblock, 1, 0, 1, 0, 0 );
812         tty_printf("\n");
813
814         if(primary_pk->expiredate && !selfsig)
815           {
816             u32 now=make_timestamp();
817
818             if(primary_pk->expiredate<=now)
819               {
820                 tty_printf(_("This key has expired!"));
821
822                 if(opt.expert)
823                   {
824                     tty_printf("  ");
825                     if(!cpr_get_answer_is_yes("sign_uid.expired_okay",
826                                               _("Are you sure you still "
827                                                 "want to sign it? (y/N) ")))
828                       continue;
829                   }
830                 else
831                   {
832                     tty_printf(_("  Unable to sign.\n"));
833                     continue;
834                   }
835               }
836             else
837               {
838                 char *answer;
839
840                 tty_printf(_("This key is due to expire on %s.\n"),
841                            expirestr_from_pk(primary_pk));
842
843                 answer=cpr_get("sign_uid.expire",
844                                _("Do you want your signature to "
845                                  "expire at the same time? (Y/n) "));
846                 if(answer_is_yes_no_default(answer,1))
847                   {
848                     /* This fixes the signature timestamp we're going
849                        to make as now.  This is so the expiration date
850                        is exactly correct, and not a few seconds off
851                        (due to the time it takes to answer the
852                        questions, enter the passphrase, etc). */
853                     timestamp=now;
854                     duration=primary_pk->expiredate-now;
855                     force_v4=1;
856                   }
857
858                 cpr_kill_prompt();
859                 m_free(answer);
860               }
861           }
862
863         /* Only ask for duration if we haven't already set it to match
864            the expiration of the pk */
865         if(!duration && !selfsig)
866           {
867             if(opt.ask_cert_expire)
868               duration=ask_expire_interval(1,opt.def_cert_expire);
869             else
870               duration=parse_expire_string(opt.def_cert_expire);
871           }
872
873         if(duration)
874           force_v4=1;
875
876         /* Is --pgp2 on, it's a v3 key, all the sigs on the key are
877            currently v3 and we're about to sign it with a v4 sig?  If
878            so, danger! */
879         if(PGP2 && all_v3 &&
880            (sk->version>3 || force_v4) && primary_pk->version<=3)
881           {
882             tty_printf(_("You may not make an OpenPGP signature on a "
883                          "PGP 2.x key while in --pgp2 mode.\n"));
884             tty_printf(_("This would make the key unusable in PGP 2.x.\n"));
885
886             if(opt.expert)
887               {
888                 if(!cpr_get_answer_is_yes("sign_uid.v4_on_v3_okay",
889                                           _("Are you sure you still "
890                                             "want to sign it? (y/N) ")))
891                   continue;
892
893                 all_v3=0;
894               }
895             else
896               continue;
897           }
898
899         if(selfsig)
900           ;
901         else
902           {
903             if(opt.batch || !opt.ask_cert_level)
904               class=0x10+opt.def_cert_level;
905             else
906               {
907                 char *answer;
908
909                 tty_printf(_("How carefully have you verified the key you are "
910                              "about to sign actually belongs\nto the person "
911                              "named above?  If you don't know what to "
912                              "answer, enter \"0\".\n"));
913                 tty_printf("\n");
914                 tty_printf(_("   (0) I will not answer.%s\n"),
915                            opt.def_cert_level==0?" (default)":"");
916                 tty_printf(_("   (1) I have not checked at all.%s\n"),
917                            opt.def_cert_level==1?" (default)":"");
918                 tty_printf(_("   (2) I have done casual checking.%s\n"),
919                            opt.def_cert_level==2?" (default)":"");
920                 tty_printf(_("   (3) I have done very careful checking.%s\n"),
921                            opt.def_cert_level==3?" (default)":"");
922                 tty_printf("\n");
923
924                 while(class==0)
925                   {
926                     answer = cpr_get("sign_uid.class",_("Your selection? "
927                                         "(enter `?' for more information): "));
928                     if(answer[0]=='\0')
929                       class=0x10+opt.def_cert_level; /* Default */
930                     else if(ascii_strcasecmp(answer,"0")==0)
931                       class=0x10; /* Generic */
932                     else if(ascii_strcasecmp(answer,"1")==0)
933                       class=0x11; /* Persona */
934                     else if(ascii_strcasecmp(answer,"2")==0)
935                       class=0x12; /* Casual */
936                     else if(ascii_strcasecmp(answer,"3")==0)
937                       class=0x13; /* Positive */
938                     else
939                       tty_printf(_("Invalid selection.\n"));
940
941                     m_free(answer);
942                   }
943               }
944
945             if(trust)
946               trustsig_prompt(&trust_value,&trust_depth,&trust_regexp);
947           }
948
949         p=get_user_id_native(sk_keyid);
950         tty_printf(_("Are you sure that you want to sign this key with your\n"
951                      "key \"%s\" (%s)\n"),p,keystr_from_sk(sk));
952         m_free(p);
953
954         if(selfsig)
955           {
956             tty_printf("\n");
957             tty_printf(_("This will be a self-signature.\n"));
958
959             if( local )
960               {
961                 tty_printf("\n");
962                 tty_printf(
963                          _("WARNING: the signature will not be marked "
964                            "as non-exportable.\n"));
965               }
966
967             if( nonrevocable )
968               {
969                 tty_printf("\n");
970                 tty_printf(
971                          _("WARNING: the signature will not be marked "
972                            "as non-revocable.\n"));
973               }
974           }
975         else
976           {
977             if( local )
978               {
979                 tty_printf("\n");
980                 tty_printf(
981                      _("The signature will be marked as non-exportable.\n"));
982               }
983
984             if( nonrevocable )
985               {
986                 tty_printf("\n");
987                 tty_printf(
988                       _("The signature will be marked as non-revocable.\n"));
989               }
990
991             switch(class)
992               {
993               case 0x11:
994                 tty_printf("\n");
995                 tty_printf(_("I have not checked this key at all.\n"));
996                 break;
997
998               case 0x12:
999                 tty_printf("\n");
1000                 tty_printf(_("I have checked this key casually.\n"));
1001                 break;
1002
1003               case 0x13:
1004                 tty_printf("\n");
1005                 tty_printf(_("I have checked this key very carefully.\n"));
1006                 break;
1007               }
1008           }
1009
1010         tty_printf("\n");
1011
1012         if( opt.batch && opt.answer_yes )
1013           ;
1014         else if( !cpr_get_answer_is_yes("sign_uid.okay",
1015                                         _("Really sign? (y/N) ")) )
1016             continue;
1017
1018         /* now we can sign the user ids */
1019       reloop: /* (must use this, because we are modifing the list) */
1020         primary_pk = NULL;
1021         for( node=keyblock; node; node = node->next ) {
1022             if( node->pkt->pkttype == PKT_PUBLIC_KEY )
1023                 primary_pk = node->pkt->pkt.public_key;
1024             else if( node->pkt->pkttype == PKT_USER_ID
1025                      && (node->flag & NODFLG_MARK_A) ) {
1026                 PACKET *pkt;
1027                 PKT_signature *sig;
1028                 struct sign_attrib attrib;
1029
1030                 assert( primary_pk );
1031                 memset( &attrib, 0, sizeof attrib );
1032                 attrib.non_exportable = local;
1033                 attrib.non_revocable = nonrevocable;
1034                 attrib.trust_depth = trust_depth;
1035                 attrib.trust_value = trust_value;
1036                 attrib.trust_regexp = trust_regexp;
1037                 node->flag &= ~NODFLG_MARK_A;
1038
1039                 /* we force creation of a v4 signature for local
1040                  * signatures, otherwise we would not generate the
1041                  * subpacket with v3 keys and the signature becomes
1042                  * exportable */
1043
1044                 if(selfsig)
1045                   rc = make_keysig_packet( &sig, primary_pk,
1046                                            node->pkt->pkt.user_id,
1047                                            NULL,
1048                                            sk,
1049                                            0x13, 0, force_v4?4:0, 0, 0,
1050                                            keygen_add_std_prefs, primary_pk);
1051                 else
1052                   rc = make_keysig_packet( &sig, primary_pk,
1053                                            node->pkt->pkt.user_id,
1054                                            NULL,
1055                                            sk,
1056                                            class, 0, force_v4?4:0,
1057                                            timestamp, duration,
1058                                            sign_mk_attrib, &attrib );
1059                 if( rc ) {
1060                     log_error(_("signing failed: %s\n"), g10_errstr(rc));
1061                     goto leave;
1062                 }
1063
1064                 *ret_modified = 1; /* we changed the keyblock */
1065                 update_trust = 1;
1066
1067                 pkt = m_alloc_clear( sizeof *pkt );
1068                 pkt->pkttype = PKT_SIGNATURE;
1069                 pkt->pkt.signature = sig;
1070                 insert_kbnode( node, new_kbnode(pkt), PKT_SIGNATURE );
1071                 goto reloop;
1072             }
1073         }
1074
1075         /* Delete any sigs that got promoted */
1076         for( node=keyblock; node; node = node->next )
1077           if( node->flag & NODFLG_DELSIG)
1078             delete_kbnode(node);
1079     } /* end loop over signators */
1080
1081   leave:
1082     release_sk_list( sk_list );
1083     if( sk )
1084         free_secret_key(sk);
1085     return rc;
1086 }
1087
1088
1089
1090 /****************
1091  * Change the passphrase of the primary and all secondary keys.
1092  * We use only one passphrase for all keys.
1093  */
1094 static int
1095 change_passphrase( KBNODE keyblock )
1096 {
1097     int rc = 0;
1098     int changed=0;
1099     KBNODE node;
1100     PKT_secret_key *sk;
1101     char *passphrase = NULL;
1102     int no_primary_secrets = 0;
1103     int any;
1104
1105     node = find_kbnode( keyblock, PKT_SECRET_KEY );
1106     if( !node ) {
1107         log_error("Oops; secret key not found anymore!\n");
1108         goto leave;
1109     }
1110     sk = node->pkt->pkt.secret_key;
1111
1112     for (any = 0, node=keyblock; node; node = node->next) {
1113         if (node->pkt->pkttype == PKT_SECRET_KEY 
1114             || node->pkt->pkttype == PKT_SECRET_SUBKEY) {
1115             PKT_secret_key *tmpsk = node->pkt->pkt.secret_key;
1116             if (!(tmpsk->is_protected
1117                   && (tmpsk->protect.s2k.mode == 1001 
1118                       || tmpsk->protect.s2k.mode == 1002))) {
1119                 any = 1;
1120                 break;
1121             }
1122         }
1123     }
1124     if (!any) {
1125         tty_printf (_("Key has only stub or on-card key items - "
1126                       "no passphrase to change.\n"));
1127         goto leave;
1128     }
1129         
1130     /* See how to handle this key.  */
1131     switch( is_secret_key_protected( sk ) ) {
1132       case -1:
1133         rc = G10ERR_PUBKEY_ALGO;
1134         break;
1135       case 0:
1136         tty_printf(_("This key is not protected.\n"));
1137         break;
1138       default:
1139         if( sk->protect.s2k.mode == 1001 ) {
1140             tty_printf(_("Secret parts of primary key are not available.\n"));
1141             no_primary_secrets = 1;
1142         }
1143         else if( sk->protect.s2k.mode == 1002 ) {
1144             tty_printf(_("Secret parts of primary key are stored on-card.\n"));
1145             no_primary_secrets = 1;
1146         }
1147         else {
1148             tty_printf(_("Key is protected.\n"));
1149             rc = check_secret_key( sk, 0 );
1150             if( !rc )
1151                 passphrase = get_last_passphrase();
1152         }
1153         break;
1154     }
1155
1156     /* Unprotect all subkeys (use the supplied passphrase or ask)*/
1157     for(node=keyblock; !rc && node; node = node->next ) {
1158         if( node->pkt->pkttype == PKT_SECRET_SUBKEY ) {
1159             PKT_secret_key *subsk = node->pkt->pkt.secret_key;
1160             if ( !(subsk->is_protected
1161                    && (subsk->protect.s2k.mode == 1001 
1162                        || subsk->protect.s2k.mode == 1002))) {
1163                 set_next_passphrase( passphrase );
1164                 rc = check_secret_key( subsk, 0 );
1165                 if( !rc && !passphrase )
1166                     passphrase = get_last_passphrase();
1167             }
1168         }
1169     }
1170
1171     if( rc )
1172         tty_printf(_("Can't edit this key: %s\n"), g10_errstr(rc));
1173     else {
1174         DEK *dek = NULL;
1175         STRING2KEY *s2k = m_alloc_secure( sizeof *s2k );
1176         const char *errtext = NULL;
1177
1178         tty_printf(_("Enter the new passphrase for this secret key.\n\n") );
1179
1180         set_next_passphrase( NULL );
1181         for(;;) {
1182             s2k->mode = opt.s2k_mode;
1183             s2k->hash_algo = S2K_DIGEST_ALGO;
1184             dek = passphrase_to_dek( NULL, 0, opt.s2k_cipher_algo,
1185                                      s2k, 2, errtext, NULL);
1186             if( !dek ) {
1187                 errtext = N_("passphrase not correctly repeated; try again");
1188                 tty_printf ("%s.\n", _(errtext));
1189             }
1190             else if( !dek->keylen ) {
1191                 rc = 0;
1192                 tty_printf(_( "You don't want a passphrase -"
1193                             " this is probably a *bad* idea!\n\n"));
1194                 if( cpr_get_answer_is_yes("change_passwd.empty.okay",
1195                                _("Do you really want to do this? (y/N) ")))
1196                   {
1197                     changed++;
1198                     break;
1199                   }
1200             }
1201             else { /* okay */
1202                 rc = 0;
1203                 if( !no_primary_secrets ) {
1204                     sk->protect.algo = dek->algo;
1205                     sk->protect.s2k = *s2k;
1206                     rc = protect_secret_key( sk, dek );
1207                 }
1208                 for(node=keyblock; !rc && node; node = node->next ) {
1209                     if( node->pkt->pkttype == PKT_SECRET_SUBKEY ) {
1210                         PKT_secret_key *subsk = node->pkt->pkt.secret_key;
1211                         if ( !(subsk->is_protected
1212                                && (subsk->protect.s2k.mode == 1001 
1213                                    || subsk->protect.s2k.mode == 1002))) {
1214                             subsk->protect.algo = dek->algo;
1215                             subsk->protect.s2k = *s2k;
1216                             rc = protect_secret_key( subsk, dek );
1217                         }
1218                     }
1219                 }
1220                 if( rc )
1221                     log_error("protect_secret_key failed: %s\n",
1222                               g10_errstr(rc) );
1223                 else
1224                     changed++;
1225                 break;
1226             }
1227         }
1228         m_free(s2k);
1229         m_free(dek);
1230     }
1231
1232   leave:
1233     m_free( passphrase );
1234     set_next_passphrase( NULL );
1235     return changed && !rc;
1236 }
1237
1238
1239 /****************
1240  * There are some keys out (due to a bug in gnupg), where the sequence
1241  * of the packets is wrong.  This function fixes that.
1242  * Returns: true if the keyblock has been fixed.
1243  *
1244  * Note:  This function does not work if there is more than one user ID.
1245  */
1246 static int
1247 fix_keyblock( KBNODE keyblock )
1248 {
1249     KBNODE node, last, subkey;
1250     int fixed=0;
1251
1252     /* locate key signatures of class 0x10..0x13 behind sub key packets */
1253     for( subkey=last=NULL, node = keyblock; node;
1254                                             last=node, node = node->next ) {
1255         switch( node->pkt->pkttype ) {
1256           case PKT_PUBLIC_SUBKEY:
1257           case PKT_SECRET_SUBKEY:
1258             if( !subkey )
1259                 subkey = last; /* actually it is the one before the subkey */
1260             break;
1261           case PKT_SIGNATURE:
1262             if( subkey ) {
1263                 PKT_signature *sig = node->pkt->pkt.signature;
1264                 if( sig->sig_class >= 0x10 && sig->sig_class <= 0x13 ) {
1265                     log_info(_(
1266                         "moving a key signature to the correct place\n"));
1267                     last->next = node->next;
1268                     node->next = subkey->next;
1269                     subkey->next = node;
1270                     node = last;
1271                     fixed=1;
1272                 }
1273             }
1274             break;
1275           default: break;
1276         }
1277     }
1278
1279     return fixed;
1280 }
1281
1282 static int
1283 parse_sign_type(const char *str,int *localsig,int *nonrevokesig,int *trustsig)
1284 {
1285   const char *p=str;
1286
1287   while(*p)
1288     {
1289       if(ascii_strncasecmp(p,"l",1)==0)
1290         {
1291           *localsig=1;
1292           p++;
1293         }
1294       else if(ascii_strncasecmp(p,"nr",2)==0)
1295         {
1296           *nonrevokesig=1;
1297           p+=2;
1298         }
1299       else if(ascii_strncasecmp(p,"t",1)==0)
1300         {
1301           *trustsig=1;
1302           p++;
1303         }
1304       else
1305         return 0;
1306     }
1307
1308   return 1;
1309 }
1310
1311 \f
1312 /****************
1313  * Menu driven key editor.  If seckey_check is true, then a secret key
1314  * that matches username will be looked for.  If it is false, not all
1315  * commands will be available.
1316  *
1317  * Note: to keep track of some selection we use node->mark MARKBIT_xxxx.
1318  */
1319
1320 /* Need an SK for this command */
1321 #define KEYEDIT_NEED_SK 1
1322 /* Cannot be viewing the SK for this command */
1323 #define KEYEDIT_NOT_SK  2
1324 /* Must be viewing the SK for this command */
1325 #define KEYEDIT_ONLY_SK 4
1326 /* Match the tail of the string */
1327 #define KEYEDIT_TAIL_MATCH 8
1328
1329 enum cmdids
1330   {
1331     cmdNONE = 0,
1332     cmdQUIT, cmdHELP, cmdFPR, cmdLIST, cmdSELUID, cmdCHECK, cmdSIGN,
1333     cmdREVSIG, cmdREVKEY, cmdREVUID, cmdDELSIG, cmdPRIMARY, cmdDEBUG,
1334     cmdSAVE, cmdADDUID, cmdADDPHOTO, cmdDELUID, cmdADDKEY, cmdDELKEY,
1335     cmdADDREVOKER, cmdTOGGLE, cmdSELKEY, cmdPASSWD, cmdTRUST, cmdPREF,
1336     cmdEXPIRE, cmdENABLEKEY, cmdDISABLEKEY, cmdSHOWPREF, cmdSETPREF,
1337     cmdPREFKS, cmdINVCMD, cmdSHOWPHOTO, cmdUPDTRUST, cmdCHKTRUST,
1338     cmdADDCARDKEY, cmdKEYTOCARD, cmdBKUPTOCARD, cmdCLEAN, cmdNOP
1339   };
1340
1341 static struct
1342 {
1343   const char *name;
1344   enum cmdids id;
1345   int flags;
1346   const char *desc;
1347 } cmds[] =
1348   { 
1349     { "quit"    , cmdQUIT      , 0, N_("quit this menu") },
1350     { "q"       , cmdQUIT      , 0, NULL   },
1351     { "save"    , cmdSAVE      , 0, N_("save and quit") },
1352     { "help"    , cmdHELP      , 0, N_("show this help") },
1353     { "?"       , cmdHELP      , 0, NULL   },
1354     { "fpr"     , cmdFPR       , 0, N_("show key fingerprint") },
1355     { "list"    , cmdLIST      , 0, N_("list key and user IDs") },
1356     { "l"       , cmdLIST      , 0, NULL   },
1357     { "uid"     , cmdSELUID    , 0, N_("select user ID N") },
1358     { "key"     , cmdSELKEY    , 0, N_("select subkey N") },
1359     { "check"   , cmdCHECK     , 0, N_("check signatures") },
1360     { "c"       , cmdCHECK     , 0, NULL },
1361     { "sign"    , cmdSIGN      , KEYEDIT_NOT_SK|KEYEDIT_TAIL_MATCH,
1362       N_("sign selected user IDs [* see below for related commands]") },
1363     { "s"       , cmdSIGN      , KEYEDIT_NOT_SK, NULL },
1364     /* "lsign" and friends will never match since "sign" comes first
1365        and it is a tail match.  They are just here so they show up in
1366        the help menu. */
1367     { "lsign"   , cmdNOP       , 0, N_("sign selected user IDs locally") },
1368     { "tsign"   , cmdNOP       , 0,
1369       N_("sign selected user IDs with a trust signature") },
1370     { "nrsign"  , cmdNOP       , 0,
1371       N_("sign selected user IDs with a non-revocable signature") },
1372
1373     { "debug"   , cmdDEBUG     , 0, NULL },
1374     { "adduid"  , cmdADDUID    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1375       N_("add a user ID") },
1376     { "addphoto", cmdADDPHOTO  , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1377       N_("add a photo ID") },
1378     { "deluid"  , cmdDELUID    , KEYEDIT_NOT_SK,
1379       N_("delete selected user IDs") },
1380     /* delphoto is really deluid in disguise */
1381     { "delphoto", cmdDELUID    , KEYEDIT_NOT_SK, NULL },
1382
1383     { "addkey"  , cmdADDKEY    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1384       N_("add a subkey") },
1385
1386 #ifdef ENABLE_CARD_SUPPORT
1387     { "addcardkey", cmdADDCARDKEY , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1388       N_("add a key to a smartcard") },
1389     { "keytocard", cmdKEYTOCARD , KEYEDIT_NEED_SK|KEYEDIT_ONLY_SK, 
1390       N_("move a key to a smartcard")},
1391     { "bkuptocard", cmdBKUPTOCARD , KEYEDIT_NEED_SK|KEYEDIT_ONLY_SK, 
1392       N_("move a backup key to a smartcard")},
1393 #endif /*ENABLE_CARD_SUPPORT*/
1394
1395     { "delkey"  , cmdDELKEY    , KEYEDIT_NOT_SK,
1396       N_("delete selected subkeys") },
1397     { "addrevoker",cmdADDREVOKER,KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1398       N_("add a revocation key") },
1399     { "delsig"  , cmdDELSIG    , KEYEDIT_NOT_SK,
1400       N_("delete signatures from the selected user IDs") },
1401     { "expire"  , cmdEXPIRE    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1402       N_("change the expiration date for the key or selected subkeys") },
1403     { "primary" , cmdPRIMARY   , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1404       N_("flag the selected user ID as primary")},
1405     { "toggle"  , cmdTOGGLE    , KEYEDIT_NEED_SK,
1406       N_("toggle between the secret and public key listings") },
1407     { "t"       , cmdTOGGLE    , KEYEDIT_NEED_SK, NULL },
1408     { "pref"    , cmdPREF      , KEYEDIT_NOT_SK,
1409       N_("list preferences (expert)")},
1410     { "showpref", cmdSHOWPREF  , KEYEDIT_NOT_SK,
1411       N_("list preferences (verbose)") },
1412     { "setpref" , cmdSETPREF   , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1413       N_("set preference list for the selected user IDs") },
1414     /* Alias */
1415     { "updpref" , cmdSETPREF   , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK, NULL },
1416
1417     { "keyserver",cmdPREFKS    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1418       N_("set preferred keyserver URL for the selected user IDs")},
1419     { "passwd"  , cmdPASSWD    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1420       N_("change the passphrase") },
1421     /* Alias */
1422     { "password", cmdPASSWD    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK, NULL },
1423
1424     { "trust"   , cmdTRUST     , KEYEDIT_NOT_SK, N_("change the ownertrust") },
1425     { "revsig"  , cmdREVSIG    , KEYEDIT_NOT_SK,
1426       N_("revoke signatures on the selected user IDs") },
1427     { "revuid"  , cmdREVUID    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1428       N_("revoke selected user IDs") },
1429     /* Alias */
1430     { "revphoto", cmdREVUID    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK, NULL },
1431
1432     { "revkey"  , cmdREVKEY    , KEYEDIT_NOT_SK|KEYEDIT_NEED_SK,
1433       N_("revoke key or selected subkeys") },
1434     { "enable"  , cmdENABLEKEY , KEYEDIT_NOT_SK, N_("enable key") },
1435     { "disable" , cmdDISABLEKEY, KEYEDIT_NOT_SK, N_("disable key") },
1436     { "showphoto",cmdSHOWPHOTO , 0, N_("show selected photo IDs") },
1437     { "clean",    cmdCLEAN     , KEYEDIT_NOT_SK,
1438       N_("clean unusable parts from key") },
1439     { NULL, cmdNONE, 0, NULL }
1440   };
1441
1442
1443 #ifdef HAVE_LIBREADLINE
1444
1445 /* These two functions are used by readline for command completion. */
1446
1447 static char *
1448 command_generator(const char *text,int state)
1449 {
1450   static int list_index,len;
1451   const char *name;
1452
1453   /* If this is a new word to complete, initialize now.  This includes
1454      saving the length of TEXT for efficiency, and initializing the
1455      index variable to 0. */
1456   if(!state)
1457     {
1458       list_index=0;
1459       len=strlen(text);
1460     }
1461
1462   /* Return the next partial match */
1463   while((name=cmds[list_index].name))
1464     {
1465       /* Only complete commands that have help text */
1466       if(cmds[list_index++].desc && strncmp(name,text,len)==0)
1467         return strdup(name);
1468     }
1469
1470   return NULL;
1471 }
1472
1473 static char **
1474 keyedit_completion(const char *text, int start, int end)
1475 {
1476   /* If we are at the start of a line, we try and command-complete.
1477      If not, just do nothing for now. */
1478
1479   if(start==0)
1480     return rl_completion_matches(text,command_generator);
1481
1482   rl_attempted_completion_over=1;
1483
1484   return NULL;
1485 }
1486 #endif /* HAVE_LIBREADLINE */
1487
1488
1489 void
1490 keyedit_menu( const char *username, STRLIST locusr,
1491               STRLIST commands, int quiet, int seckey_check )
1492 {
1493     enum cmdids cmd = 0;
1494     int rc = 0;
1495     KBNODE keyblock = NULL;
1496     KEYDB_HANDLE kdbhd = NULL;
1497     KBNODE sec_keyblock = NULL;
1498     KEYDB_HANDLE sec_kdbhd = NULL;
1499     KBNODE cur_keyblock;
1500     char *answer = NULL;
1501     int redisplay = 1;
1502     int modified = 0;
1503     int sec_modified = 0;
1504     int toggle;
1505     int have_commands = !!commands;
1506
1507     if ( opt.command_fd != -1 )
1508         ;
1509     else if( opt.batch && !have_commands )
1510       {
1511         log_error(_("can't do this in batch mode\n"));
1512         goto leave;
1513       }
1514
1515 #ifdef HAVE_W32_SYSTEM
1516     /* Due to Windows peculiarities we need to make sure that the
1517        trustdb stale check is done before we open another file
1518        (i.e. by searching for a key).  In theory we could make sure
1519        that the files are closed after use but the open/close caches
1520        inhibits that and flushing the cache right before the stale
1521        check is not easy to implement.  Thus we take the easy way out
1522        and run the stale check as early as possible.  Note, that for
1523        non- W32 platforms it is run indirectly trough a call to
1524        get_validity ().  */
1525     check_trustdb_stale ();
1526 #endif
1527
1528     /* Get the public key */
1529     rc = get_pubkey_byname (NULL, username, &keyblock, &kdbhd, 1);
1530     if( rc )
1531         goto leave;
1532     if( fix_keyblock( keyblock ) )
1533         modified++;
1534     if( collapse_uids( &keyblock ) )
1535         modified++;
1536     reorder_keyblock(keyblock);
1537
1538     if(seckey_check)
1539       {/* see whether we have a matching secret key */
1540         PKT_public_key *pk = keyblock->pkt->pkt.public_key;
1541
1542         sec_kdbhd = keydb_new (1);
1543         {
1544             byte afp[MAX_FINGERPRINT_LEN];
1545             size_t an;
1546
1547             fingerprint_from_pk (pk, afp, &an);
1548             while (an < MAX_FINGERPRINT_LEN) 
1549                 afp[an++] = 0;
1550             rc = keydb_search_fpr (sec_kdbhd, afp);
1551         }
1552         if (!rc)
1553           {
1554             rc = keydb_get_keyblock (sec_kdbhd, &sec_keyblock);
1555             if (rc)
1556               {
1557                 log_error (_("error reading secret keyblock \"%s\": %s\n"),
1558                            username, g10_errstr(rc));
1559               }
1560             else
1561               {
1562                 merge_keys_and_selfsig( sec_keyblock );
1563                 if( fix_keyblock( sec_keyblock ) )
1564                   sec_modified++;
1565               }
1566           }
1567
1568         if (rc) {
1569             sec_keyblock = NULL;
1570             keydb_release (sec_kdbhd); sec_kdbhd = NULL;
1571             rc = 0;
1572         }
1573
1574         if( sec_keyblock && !quiet )
1575           tty_printf(_("Secret key is available.\n"));
1576     }
1577
1578     toggle = 0;
1579     cur_keyblock = keyblock;
1580     for(;;) { /* main loop */
1581         int i, arg_number, photo;
1582         const char *arg_string = "";
1583         char *p;
1584         PKT_public_key *pk=keyblock->pkt->pkt.public_key;
1585
1586         tty_printf("\n");
1587
1588         if( redisplay && !quiet )
1589           {
1590             show_key_with_all_names( cur_keyblock, 0, 1, 0, 1, 0 );
1591             tty_printf("\n");
1592             redisplay = 0;
1593           }
1594         do {
1595             m_free(answer);
1596             if( have_commands ) {
1597                 if( commands ) {
1598                     answer = m_strdup( commands->d );
1599                     commands = commands->next;
1600                 }
1601                 else if( opt.batch ) {
1602                     answer = m_strdup("quit");
1603                 }
1604                 else
1605                     have_commands = 0;
1606             }
1607             if( !have_commands )
1608               {
1609                 tty_enable_completion(keyedit_completion);
1610                 answer = cpr_get_no_help("keyedit.prompt", _("Command> "));
1611                 cpr_kill_prompt();
1612                 tty_disable_completion();
1613               }
1614             trim_spaces(answer);
1615         } while( *answer == '#' );
1616
1617         arg_number = 0; /* Yes, here is the init which egcc complains about */
1618         photo = 0; /* This too */
1619         if( !*answer )
1620             cmd = cmdLIST;
1621         else if( *answer == CONTROL_D )
1622             cmd = cmdQUIT;
1623         else if( digitp(answer ) ) {
1624             cmd = cmdSELUID;
1625             arg_number = atoi(answer);
1626         }
1627         else {
1628             if( (p=strchr(answer,' ')) ) {
1629                 *p++ = 0;
1630                 trim_spaces(answer);
1631                 trim_spaces(p);
1632                 arg_number = atoi(p);
1633                 arg_string = p;
1634             }
1635
1636             for(i=0; cmds[i].name; i++ )
1637               {
1638                 if(cmds[i].flags & KEYEDIT_TAIL_MATCH)
1639                   {
1640                     size_t l=strlen(cmds[i].name);
1641                     size_t a=strlen(answer);
1642                     if(a>=l)
1643                       {
1644                         if(ascii_strcasecmp(&answer[a-l],cmds[i].name)==0)
1645                           {
1646                             answer[a-l]='\0';
1647                             break;
1648                           }
1649                       }
1650                   }
1651                 else if( !ascii_strcasecmp( answer, cmds[i].name ) )
1652                   break;
1653               }
1654             if((cmds[i].flags & KEYEDIT_NEED_SK) && !sec_keyblock )
1655               {
1656                 tty_printf(_("Need the secret key to do this.\n"));
1657                 cmd = cmdNOP;
1658               }
1659             else if(((cmds[i].flags & KEYEDIT_NOT_SK) && sec_keyblock
1660                      && toggle)
1661                     ||((cmds[i].flags & KEYEDIT_ONLY_SK) && sec_keyblock
1662                        && !toggle))
1663               {
1664                 tty_printf(_("Please use the command \"toggle\" first.\n"));
1665                 cmd = cmdNOP;
1666               }
1667             else
1668               cmd = cmds[i].id;
1669         }
1670         switch( cmd )
1671           {
1672           case cmdHELP:
1673             for(i=0; cmds[i].name; i++ )
1674               {
1675                 if((cmds[i].flags & KEYEDIT_NEED_SK) && !sec_keyblock )
1676                   ; /* skip if we do not have the secret key */
1677                 else if( cmds[i].desc )
1678                   tty_printf("%-11s %s\n", cmds[i].name, _(cmds[i].desc) );
1679               }
1680
1681             tty_printf("\n");
1682             tty_printf(_(
1683 "* The `sign' command may be prefixed with an `l' for local "
1684 "signatures (lsign),\n"
1685 "  a `t' for trust signatures (tsign), an `nr' for non-revocable signatures\n"
1686 "  (nrsign), or any combination thereof (ltsign, tnrsign, etc.).\n"));
1687
1688             break;
1689
1690           case cmdLIST:
1691             redisplay = 1;
1692             break;
1693
1694           case cmdFPR:
1695             show_key_and_fingerprint( keyblock );
1696             break;
1697
1698           case cmdSELUID:
1699             if(strlen(arg_string)==NAMEHASH_LEN*2)
1700               redisplay=menu_select_uid_namehash(cur_keyblock,arg_string);
1701             else
1702               redisplay=menu_select_uid(cur_keyblock,arg_number);
1703             break;
1704
1705           case cmdSELKEY:
1706             if( menu_select_key( cur_keyblock, arg_number ) )
1707                 redisplay = 1;
1708             break;
1709
1710           case cmdCHECK:
1711             /* we can only do this with the public key becuase the
1712              * check functions can't cope with secret keys and it
1713              * is questionable whether this would make sense at all */
1714             check_all_keysigs( keyblock, count_selected_uids(keyblock) );
1715             break;
1716
1717           case cmdSIGN: /* sign (only the public key) */
1718             {
1719               int localsig=0,nonrevokesig=0,trustsig=0,interactive=0;
1720
1721               if( pk->is_revoked )
1722                 {
1723                   tty_printf(_("Key is revoked."));
1724
1725                   if(opt.expert)
1726                     {
1727                       tty_printf("  ");
1728                       if(!cpr_get_answer_is_yes("keyedit.sign_revoked.okay",
1729                                                 _("Are you sure you still want"
1730                                                   " to sign it? (y/N) ")))
1731                         break;
1732                     }
1733                   else
1734                     {
1735                       tty_printf(_("  Unable to sign.\n"));
1736                       break;
1737                     }
1738                 }
1739
1740               if(count_uids(keyblock) > 1 && !count_selected_uids(keyblock)
1741                  && !cpr_get_answer_is_yes("keyedit.sign_all.okay",
1742                                            _("Really sign all user IDs?"
1743                                              " (y/N) ")))
1744                 {
1745                   if(opt.interactive)
1746                     interactive=1;
1747                   else
1748                     {
1749                       tty_printf(_("Hint: Select the user IDs to sign\n"));
1750                       have_commands = 0;
1751                       break;
1752                     }
1753
1754                 }
1755               /* What sort of signing are we doing? */
1756               if(!parse_sign_type(answer,&localsig,&nonrevokesig,&trustsig))
1757                 {
1758                   tty_printf(_("Unknown signature type `%s'\n"),answer);
1759                   break;
1760                 }
1761
1762               sign_uids(keyblock, locusr, &modified,
1763                         localsig, nonrevokesig, trustsig, interactive);
1764             }
1765             break;
1766
1767           case cmdDEBUG:
1768             dump_kbnode( cur_keyblock );
1769             break;
1770
1771           case cmdTOGGLE:
1772             toggle = !toggle;
1773             cur_keyblock = toggle? sec_keyblock : keyblock;
1774             redisplay = 1;
1775             break;
1776
1777           case cmdADDPHOTO:
1778             if (RFC2440 || RFC1991 || PGP2)
1779               {
1780                 tty_printf(
1781                    _("This command is not allowed while in %s mode.\n"),
1782                    RFC2440?"OpenPGP":PGP2?"PGP2":"RFC-1991");
1783                 break;
1784               }
1785             photo=1;
1786             /* fall through */
1787
1788           case cmdADDUID:
1789             if( menu_adduid( keyblock, sec_keyblock, photo ) )
1790               {
1791                 update_trust = 1;
1792                 redisplay = 1;
1793                 sec_modified = modified = 1;
1794                 merge_keys_and_selfsig( sec_keyblock );
1795                 merge_keys_and_selfsig( keyblock );
1796               }
1797             break;
1798
1799           case cmdDELUID: {
1800                 int n1;
1801
1802                 if( !(n1=count_selected_uids(keyblock)) )
1803                     tty_printf(_("You must select at least one user ID.\n"));
1804                 else if( real_uids_left(keyblock) < 1 )
1805                     tty_printf(_("You can't delete the last user ID!\n"));
1806                 else if( cpr_get_answer_is_yes("keyedit.remove.uid.okay",
1807                 n1 > 1? _("Really remove all selected user IDs? (y/N) ")
1808                             : _("Really remove this user ID? (y/N) ")
1809                        ) ) {
1810                     menu_deluid( keyblock, sec_keyblock );
1811                     redisplay = 1;
1812                     modified = 1;
1813                     if( sec_keyblock )
1814                        sec_modified = 1;
1815                 }
1816             }
1817             break;
1818
1819           case cmdDELSIG: {
1820                 int n1;
1821
1822                 if( !(n1=count_selected_uids(keyblock)) )
1823                     tty_printf(_("You must select at least one user ID.\n"));
1824                 else if( menu_delsig( keyblock ) ) {
1825                     /* no redisplay here, because it may scroll away some
1826                      * status output of delsig */
1827                     modified = 1;
1828                 }
1829             }
1830             break;
1831
1832           case cmdADDKEY:
1833             if( generate_subkeypair( keyblock, sec_keyblock ) ) {
1834                 redisplay = 1;
1835                 sec_modified = modified = 1;
1836                 merge_keys_and_selfsig( sec_keyblock );
1837                 merge_keys_and_selfsig( keyblock );
1838             }
1839             break;
1840
1841 #ifdef ENABLE_CARD_SUPPORT
1842           case cmdADDCARDKEY:
1843             if (card_generate_subkey (keyblock, sec_keyblock)) {
1844                 redisplay = 1;
1845                 sec_modified = modified = 1;
1846                 merge_keys_and_selfsig( sec_keyblock );
1847                 merge_keys_and_selfsig( keyblock );
1848             }
1849             break;
1850
1851         case cmdKEYTOCARD:
1852           {
1853             KBNODE node=NULL;
1854             switch ( count_selected_keys (sec_keyblock) )
1855               {
1856               case 0:
1857                 if (cpr_get_answer_is_yes("keyedit.keytocard.use_primary",
1858                                      _("Really move the primary key? (y/N) ")))
1859                   node = sec_keyblock;
1860                 break;
1861               case 1:
1862                 for (node = sec_keyblock; node; node = node->next )
1863                   {
1864                     if (node->pkt->pkttype == PKT_SECRET_SUBKEY 
1865                         && node->flag & NODFLG_SELKEY)
1866                       break;
1867                   }
1868                 break;
1869               default:
1870                 tty_printf(_("You must select exactly one key.\n"));
1871                 break;
1872               }
1873             if (node)
1874               {
1875                 PKT_public_key *xxpk = find_pk_from_sknode (keyblock, node);
1876                 if (card_store_subkey (node, xxpk?xxpk->pubkey_usage:0))
1877                   {
1878                     redisplay = 1;
1879                     sec_modified = 1;
1880                   }
1881               }
1882           }
1883           break;
1884
1885         case cmdBKUPTOCARD:
1886           {
1887             /* Ask for a filename, check whether this is really a
1888                backup key as generated by the card generation, parse
1889                that key and store it on card. */
1890             KBNODE node;
1891             const char *fname;
1892             PACKET *pkt;
1893             IOBUF a;
1894
1895             fname = arg_string;
1896             if (!*fname)
1897               {
1898                 tty_printf (_("Command expects a filename argument\n"));
1899                 break;
1900               }
1901
1902             /* Open that file.  */
1903             a = iobuf_open (fname);
1904             if (a && is_secured_file (iobuf_get_fd (a)))
1905               {
1906                 iobuf_close (a);
1907                 a = NULL;
1908                 errno = EPERM;
1909               }
1910             if (!a)
1911               {
1912                 tty_printf (_("Can't open `%s': %s\n"),
1913                             fname, strerror(errno));
1914                 break;
1915               }
1916             
1917             /* Parse and check that file.  */
1918             pkt = xmalloc (sizeof *pkt);
1919             init_packet (pkt);
1920             rc = parse_packet (a, pkt);
1921             iobuf_close (a);
1922             iobuf_ioctl (NULL, 2, 0, (char*)fname); /* (invalidate cache).  */
1923             if (!rc 
1924                 && pkt->pkttype != PKT_SECRET_KEY 
1925                 && pkt->pkttype != PKT_SECRET_SUBKEY)
1926               rc = G10ERR_NO_SECKEY;
1927             if (rc)
1928               {
1929                 tty_printf(_("Error reading backup key from `%s': %s\n"),
1930                            fname, g10_errstr (rc));
1931                 free_packet (pkt);
1932                 xfree (pkt);
1933                 break;
1934               }
1935             node = new_kbnode (pkt);
1936
1937             /* Store it.  */
1938             if (card_store_subkey (node, 0))
1939               {
1940                 redisplay = 1;
1941                 sec_modified = 1;
1942               }
1943             release_kbnode (node);
1944           }
1945           break;
1946
1947 #endif /* ENABLE_CARD_SUPPORT */
1948
1949           case cmdDELKEY: {
1950                 int n1;
1951
1952                 if( !(n1=count_selected_keys( keyblock )) )
1953                     tty_printf(_("You must select at least one key.\n"));
1954                 else if( !cpr_get_answer_is_yes( "keyedit.remove.subkey.okay",
1955                        n1 > 1?
1956                    _("Do you really want to delete the selected keys? (y/N) "):
1957                         _("Do you really want to delete this key? (y/N) ")
1958                        ))
1959                     ;
1960                 else {
1961                     menu_delkey( keyblock, sec_keyblock );
1962                     redisplay = 1;
1963                     modified = 1;
1964                     if( sec_keyblock )
1965                        sec_modified = 1;
1966                 }
1967             }
1968             break;
1969
1970           case cmdADDREVOKER:
1971             {
1972               int sensitive=0;
1973
1974               if(ascii_strcasecmp(arg_string,"sensitive")==0)
1975                 sensitive=1;
1976               if( menu_addrevoker( keyblock, sec_keyblock, sensitive ) ) {
1977                 redisplay = 1;
1978                 sec_modified = modified = 1;
1979                 merge_keys_and_selfsig( sec_keyblock );
1980                 merge_keys_and_selfsig( keyblock );
1981               }
1982             }
1983             break;
1984
1985           case cmdREVUID: {
1986                 int n1;
1987
1988                 if( !(n1=count_selected_uids(keyblock)) )
1989                     tty_printf(_("You must select at least one user ID.\n"));
1990                 else if( cpr_get_answer_is_yes(
1991                             "keyedit.revoke.uid.okay",
1992                        n1 > 1? _("Really revoke all selected user IDs? (y/N) ")
1993                              : _("Really revoke this user ID? (y/N) ")
1994                        ) ) {
1995                   if(menu_revuid(keyblock,sec_keyblock))
1996                     {
1997                       modified=1;
1998                       redisplay=1;
1999                     }
2000                 }
2001             }
2002             break;
2003
2004           case cmdREVKEY:
2005             {
2006               int n1;
2007
2008               if( !(n1=count_selected_keys( keyblock )) )
2009                 {
2010                   if(cpr_get_answer_is_yes("keyedit.revoke.subkey.okay",
2011                                            _("Do you really want to revoke"
2012                                              " the entire key? (y/N) ")))
2013                     {
2014                       if(menu_revkey(keyblock,sec_keyblock))
2015                         modified=1;
2016
2017                       redisplay=1;
2018                     }
2019                 }
2020               else if(cpr_get_answer_is_yes("keyedit.revoke.subkey.okay",
2021                                             n1 > 1?
2022                                             _("Do you really want to revoke"
2023                                               " the selected subkeys? (y/N) "):
2024                                             _("Do you really want to revoke"
2025                                               " this subkey? (y/N) ")))
2026                 {
2027                   if( menu_revsubkey( keyblock, sec_keyblock ) )
2028                     modified = 1;
2029
2030                   redisplay = 1;
2031                 }
2032
2033               if(modified)
2034                 merge_keys_and_selfsig( keyblock );
2035             }
2036             break;
2037
2038           case cmdEXPIRE:
2039             if( menu_expire( keyblock, sec_keyblock ) )
2040               {
2041                 merge_keys_and_selfsig( sec_keyblock );
2042                 merge_keys_and_selfsig( keyblock );
2043                 sec_modified = 1;
2044                 modified = 1;
2045                 redisplay = 1;
2046               }
2047             break;
2048
2049           case cmdPRIMARY:
2050             if( menu_set_primary_uid ( keyblock, sec_keyblock ) ) {
2051                 merge_keys_and_selfsig( keyblock );
2052                 modified = 1;
2053                 redisplay = 1;
2054             }
2055             break;
2056
2057           case cmdPASSWD:
2058             if( change_passphrase( sec_keyblock ) )
2059                 sec_modified = 1;
2060             break;
2061
2062           case cmdTRUST:
2063             if(opt.trust_model==TM_EXTERNAL)
2064               {
2065                 tty_printf(_("Owner trust may not be set while "
2066                              "using an user provided trust database\n"));
2067                 break;
2068               }
2069
2070             show_key_with_all_names( keyblock, 0, 0, 0, 1, 0 );
2071             tty_printf("\n");
2072             if( edit_ownertrust( find_kbnode( keyblock,
2073                                  PKT_PUBLIC_KEY )->pkt->pkt.public_key, 1 ) ) {
2074                 redisplay = 1;
2075                 /* No real need to set update_trust here as
2076                    edit_ownertrust() calls revalidation_mark()
2077                    anyway. */
2078                 update_trust=1;
2079             }
2080             break;
2081
2082           case cmdPREF:
2083             show_key_with_all_names( keyblock, 0, 0, 0, 0, 1 );
2084             break;
2085
2086           case cmdSHOWPREF:
2087             show_key_with_all_names( keyblock, 0, 0, 0, 0, 2 );
2088             break;
2089
2090           case cmdSETPREF:
2091             {
2092               PKT_user_id *tempuid;
2093
2094               keygen_set_std_prefs(!*arg_string?"default" : arg_string, 0);
2095
2096               tempuid=keygen_get_std_prefs();
2097               tty_printf(_("Set preference list to:\n"));
2098               show_prefs(tempuid,NULL,1);
2099               free_user_id(tempuid);
2100
2101               if(cpr_get_answer_is_yes("keyedit.setpref.okay",
2102                                        count_selected_uids (keyblock)?
2103                                        _("Really update the preferences"
2104                                          " for the selected user IDs? (y/N) "):
2105                                        _("Really update the preferences? (y/N) ")))
2106                 {
2107                   if ( menu_set_preferences (keyblock, sec_keyblock) )
2108                     {
2109                       merge_keys_and_selfsig (keyblock);
2110                       modified = 1;
2111                       redisplay = 1;
2112                     }
2113                 }
2114             }
2115             break;
2116
2117           case cmdPREFKS:
2118             if( menu_set_keyserver_url ( *arg_string?arg_string:NULL,
2119                                          keyblock, sec_keyblock ) )
2120               {
2121                 merge_keys_and_selfsig( keyblock );
2122                 modified = 1;
2123                 redisplay = 1;
2124               }
2125             break;
2126
2127           case cmdNOP:
2128             break;
2129
2130           case cmdREVSIG:
2131             if( menu_revsig( keyblock ) ) {
2132                 redisplay = 1;
2133                 modified = 1;
2134             }
2135             break;
2136
2137           case cmdENABLEKEY:
2138           case cmdDISABLEKEY:
2139             if( enable_disable_key( keyblock, cmd == cmdDISABLEKEY ) ) {
2140                 redisplay = 1;
2141                 modified = 1;
2142             }
2143             break;
2144
2145           case cmdSHOWPHOTO:
2146             menu_showphoto(keyblock);
2147             break;
2148
2149           case cmdCLEAN:
2150             {
2151               if(*arg_string)
2152                 {
2153                   if(ascii_strcasecmp(arg_string,"sigs")==0
2154                      || ascii_strcasecmp(arg_string,"signatures")==0
2155                      || ascii_strcasecmp(arg_string,"certs")==0
2156                      || ascii_strcasecmp(arg_string,"certificates")==0)
2157                     modified=menu_clean_sigs_from_uids(keyblock);
2158                   else if(ascii_strcasecmp(arg_string,"uids")==0)
2159                     redisplay=modified=menu_clean_uids_from_key(keyblock);
2160                   else
2161                     tty_printf("Unable to clean `%s'\n",arg_string);
2162                 }
2163               else
2164                 {
2165                   modified=menu_clean_sigs_from_uids(keyblock);
2166                   modified+=menu_clean_uids_from_key(keyblock);
2167                   redisplay=modified;
2168                 }
2169             }
2170             break;
2171
2172           case cmdQUIT:
2173             if( have_commands )
2174                 goto leave;
2175             if( !modified && !sec_modified )
2176                 goto leave;
2177             if( !cpr_get_answer_is_yes("keyedit.save.okay",
2178                                         _("Save changes? (y/N) ")) ) {
2179                 if( cpr_enabled()
2180                     || cpr_get_answer_is_yes("keyedit.cancel.okay",
2181                                              _("Quit without saving? (y/N) ")))
2182                     goto leave;
2183                 break;
2184             }
2185             /* fall thru */
2186           case cmdSAVE:
2187             if( modified || sec_modified  ) {
2188                 if( modified ) {
2189                     rc = keydb_update_keyblock (kdbhd, keyblock);
2190                     if( rc ) {
2191                         log_error(_("update failed: %s\n"), g10_errstr(rc) );
2192                         break;
2193                     }
2194                 }
2195                 if( sec_modified ) {
2196                     rc = keydb_update_keyblock (sec_kdbhd, sec_keyblock );
2197                     if( rc ) {
2198                         log_error( _("update secret failed: %s\n"),
2199                                    g10_errstr(rc) );
2200                         break;
2201                     }
2202                 }
2203             }
2204             else
2205                 tty_printf(_("Key not changed so no update needed.\n"));
2206
2207             if( update_trust )
2208               {
2209                 revalidation_mark ();
2210                 update_trust=0;
2211               }
2212             goto leave;
2213
2214           case cmdINVCMD:
2215           default:
2216             tty_printf("\n");
2217             tty_printf(_("Invalid command  (try \"help\")\n"));
2218             break;
2219         }
2220     } /* end main loop */
2221
2222   leave:
2223     release_kbnode( keyblock );
2224     release_kbnode( sec_keyblock );
2225     keydb_release (kdbhd);
2226     m_free(answer);
2227 }
2228
2229
2230 \f
2231 /****************
2232  * show preferences of a public keyblock.
2233  */
2234 static void
2235 show_prefs (PKT_user_id *uid, PKT_signature *selfsig, int verbose)
2236 {
2237     const prefitem_t fake={0,0};
2238     const prefitem_t *prefs;
2239     int i;
2240
2241     if( !uid )
2242         return;
2243
2244     if( uid->prefs )
2245         prefs=uid->prefs;
2246     else if(verbose)
2247         prefs=&fake;
2248     else
2249       return;
2250
2251     if (verbose) {
2252         int any, des_seen=0, sha1_seen=0, uncomp_seen=0;
2253
2254         tty_printf ("     ");
2255         tty_printf (_("Cipher: "));
2256         for(i=any=0; prefs[i].type; i++ ) {
2257             if( prefs[i].type == PREFTYPE_SYM ) {
2258                 const char *s = cipher_algo_to_string (prefs[i].value);
2259                 
2260                 if (any)
2261                     tty_printf (", ");
2262                 any = 1;
2263                 /* We don't want to display strings for experimental algos */
2264                 if (s && prefs[i].value < 100 )
2265                     tty_printf ("%s", s );
2266                 else
2267                     tty_printf ("[%d]", prefs[i].value);
2268                 if (prefs[i].value == CIPHER_ALGO_3DES )
2269                     des_seen = 1;
2270             }    
2271         }
2272         if (!des_seen) {
2273             if (any)
2274                 tty_printf (", ");
2275             tty_printf ("%s",cipher_algo_to_string(CIPHER_ALGO_3DES));
2276         }
2277         tty_printf ("\n     ");
2278         tty_printf (_("Digest: "));
2279         for(i=any=0; prefs[i].type; i++ ) {
2280             if( prefs[i].type == PREFTYPE_HASH ) {
2281                 const char *s = digest_algo_to_string (prefs[i].value);
2282                 
2283                 if (any)
2284                     tty_printf (", ");
2285                 any = 1;
2286                 /* We don't want to display strings for experimental algos */
2287                 if (s && prefs[i].value < 100 )
2288                     tty_printf ("%s", s );
2289                 else
2290                     tty_printf ("[%d]", prefs[i].value);
2291                 if (prefs[i].value == DIGEST_ALGO_SHA1 )
2292                     sha1_seen = 1;
2293             }
2294         }
2295         if (!sha1_seen) {
2296             if (any)
2297                 tty_printf (", ");
2298             tty_printf ("%s",digest_algo_to_string(DIGEST_ALGO_SHA1));
2299         }
2300         tty_printf ("\n     ");
2301         tty_printf (_("Compression: "));
2302         for(i=any=0; prefs[i].type; i++ ) {
2303             if( prefs[i].type == PREFTYPE_ZIP ) {
2304                 const char *s=compress_algo_to_string(prefs[i].value);
2305                 
2306                 if (any)
2307                     tty_printf (", ");
2308                 any = 1;
2309                 /* We don't want to display strings for experimental algos */
2310                 if (s && prefs[i].value < 100 )
2311                     tty_printf ("%s", s );
2312                 else
2313                     tty_printf ("[%d]", prefs[i].value);
2314                 if (prefs[i].value == COMPRESS_ALGO_NONE )
2315                     uncomp_seen = 1;
2316             }
2317         }
2318         if (!uncomp_seen) {
2319             if (any)
2320                 tty_printf (", ");
2321             else {
2322               tty_printf ("%s",compress_algo_to_string(COMPRESS_ALGO_ZIP));
2323               tty_printf (", ");
2324             }
2325             tty_printf ("%s",compress_algo_to_string(COMPRESS_ALGO_NONE));
2326         }
2327         if(uid->mdc_feature || !uid->ks_modify)
2328           {
2329             tty_printf ("\n     ");
2330             tty_printf (_("Features: "));
2331             any=0;
2332             if(uid->mdc_feature)
2333               {
2334                 tty_printf ("MDC");
2335                 any=1;
2336               }
2337             if(!uid->ks_modify)
2338               {
2339                 if(any)
2340                   tty_printf (", ");
2341                 tty_printf (_("Keyserver no-modify"));
2342               }
2343           }
2344         tty_printf("\n");
2345
2346         if(selfsig)
2347           {
2348             const byte *pref_ks;
2349             size_t pref_ks_len;
2350
2351             pref_ks=parse_sig_subpkt(selfsig->hashed,
2352                                      SIGSUBPKT_PREF_KS,&pref_ks_len);
2353             if(pref_ks && pref_ks_len)
2354               {
2355                 tty_printf ("     ");
2356                 tty_printf(_("Preferred keyserver: "));
2357                 tty_print_utf8_string(pref_ks,pref_ks_len);
2358                 tty_printf("\n");
2359               }
2360           }
2361     }
2362     else {
2363         tty_printf("    ");
2364         for(i=0; prefs[i].type; i++ ) {
2365             tty_printf( " %c%d", prefs[i].type == PREFTYPE_SYM   ? 'S' :
2366                                  prefs[i].type == PREFTYPE_HASH  ? 'H' :
2367                                  prefs[i].type == PREFTYPE_ZIP ? 'Z':'?',
2368                                  prefs[i].value);
2369         }
2370         if (uid->mdc_feature)
2371             tty_printf (" [mdc]");
2372         if (!uid->ks_modify)
2373             tty_printf (" [no-ks-modify]");
2374         tty_printf("\n");
2375     }
2376 }
2377
2378
2379 /* This is the version of show_key_with_all_names used when
2380    opt.with_colons is used.  It prints all available data in a easy to
2381    parse format and does not translate utf8 */
2382 static void
2383 show_key_with_all_names_colon (KBNODE keyblock)
2384 {
2385   KBNODE node;
2386   int i, j, ulti_hack=0;
2387   byte pk_version=0;
2388   PKT_public_key *primary=NULL;
2389
2390   /* the keys */
2391   for ( node = keyblock; node; node = node->next )
2392     {
2393       if (node->pkt->pkttype == PKT_PUBLIC_KEY
2394           || (node->pkt->pkttype == PKT_PUBLIC_SUBKEY) )
2395         {
2396           PKT_public_key *pk = node->pkt->pkt.public_key;
2397           u32 keyid[2];
2398
2399           if (node->pkt->pkttype == PKT_PUBLIC_KEY)
2400             {
2401               pk_version = pk->version;
2402               primary=pk;
2403             }
2404
2405           keyid_from_pk (pk, keyid);
2406
2407           fputs (node->pkt->pkttype == PKT_PUBLIC_KEY?"pub:":"sub:", stdout);
2408           if (!pk->is_valid)
2409             putchar ('i');
2410           else if (pk->is_revoked)
2411             putchar ('r');
2412           else if (pk->has_expired)
2413             putchar ('e');
2414           else if (!(opt.fast_list_mode || opt.no_expensive_trust_checks ))
2415             {
2416               int trust = get_validity_info (pk, NULL);
2417               if(trust=='u')
2418                 ulti_hack=1;
2419               putchar (trust);
2420             }
2421
2422           printf (":%u:%d:%08lX%08lX:%lu:%lu::",
2423                   nbits_from_pk (pk),
2424                   pk->pubkey_algo,
2425                   (ulong)keyid[0], (ulong)keyid[1],
2426                   (ulong)pk->timestamp,
2427                   (ulong)pk->expiredate );
2428           if (node->pkt->pkttype==PKT_PUBLIC_KEY
2429               && !(opt.fast_list_mode || opt.no_expensive_trust_checks ))
2430             putchar(get_ownertrust_info (pk));
2431           putchar(':');
2432           putchar('\n');
2433           
2434           print_fingerprint (pk, NULL, 0);
2435
2436           /* print the revoker record */
2437           if( !pk->revkey && pk->numrevkeys )
2438             BUG();
2439           else
2440             {
2441               for (i=0; i < pk->numrevkeys; i++)
2442                 {
2443                   byte *p;
2444
2445                   printf ("rvk:::%d::::::", pk->revkey[i].algid);
2446                   p = pk->revkey[i].fpr;
2447                   for (j=0; j < 20; j++, p++ )
2448                     printf ("%02X", *p);
2449                   printf (":%02x%s:\n", pk->revkey[i].class,
2450                           (pk->revkey[i].class&0x40)?"s":"");
2451                 }
2452             }
2453         }
2454     }
2455   
2456     /* the user ids */
2457     i = 0;
2458     for (node = keyblock; node; node = node->next) 
2459       {
2460         if ( node->pkt->pkttype == PKT_USER_ID )
2461           {
2462             PKT_user_id *uid = node->pkt->pkt.user_id;
2463
2464             ++i;
2465
2466             if(uid->attrib_data)
2467               printf("uat:");
2468             else
2469               printf("uid:");
2470
2471             if ( uid->is_revoked )
2472               printf("r::::::::");
2473             else if ( uid->is_expired )
2474               printf("e::::::::");
2475             else if ( opt.fast_list_mode || opt.no_expensive_trust_checks )
2476               printf("::::::::");
2477             else
2478               {
2479                 int uid_validity;
2480
2481                 if( primary && !ulti_hack )
2482                   uid_validity = get_validity_info( primary, uid );
2483                 else
2484                   uid_validity = 'u';
2485                 printf("%c::::::::",uid_validity);
2486               }
2487
2488             if(uid->attrib_data)
2489               printf ("%u %lu",uid->numattribs,uid->attrib_len);
2490             else
2491               print_string (stdout, uid->name, uid->len, ':');
2492
2493             putchar (':');
2494             /* signature class */
2495             putchar (':');
2496             /* capabilities */
2497             putchar (':');
2498             /* preferences */
2499             if (pk_version>3 || uid->selfsigversion>3)
2500               {
2501                 const prefitem_t *prefs = uid->prefs;
2502                 
2503                 for (j=0; prefs && prefs[j].type; j++)
2504                   {
2505                     if (j)
2506                       putchar (' ');
2507                     printf ("%c%d", prefs[j].type == PREFTYPE_SYM   ? 'S' :
2508                             prefs[j].type == PREFTYPE_HASH  ? 'H' :
2509                             prefs[j].type == PREFTYPE_ZIP ? 'Z':'?',
2510                             prefs[j].value);
2511                   } 
2512                 if (uid->mdc_feature)
2513                   printf (",mdc");
2514                 if (!uid->ks_modify)
2515                   printf (",no-ks-modify");
2516               } 
2517             putchar (':');
2518             /* flags */
2519             printf ("%d,", i);
2520             if (uid->is_primary)
2521               putchar ('p');
2522             if (uid->is_revoked)
2523               putchar ('r');
2524             if (uid->is_expired)
2525               putchar ('e');
2526             if ((node->flag & NODFLG_SELUID))
2527               putchar ('s');
2528             if ((node->flag & NODFLG_MARK_A))
2529               putchar ('m');
2530             putchar (':');
2531             putchar('\n');
2532           }
2533       }
2534 }
2535
2536
2537 /****************
2538  * Display the key a the user ids, if only_marked is true, do only
2539  * so for user ids with mark A flag set and dont display the index number
2540  */
2541 static void
2542 show_key_with_all_names( KBNODE keyblock, int only_marked, int with_revoker,
2543                          int with_fpr, int with_subkeys, int with_prefs )
2544 {
2545     KBNODE node;
2546     int i;
2547     int do_warn = 0;
2548     byte pk_version=0;
2549     PKT_public_key *primary=NULL;
2550
2551     if (opt.with_colons)
2552       {
2553         show_key_with_all_names_colon (keyblock);
2554         return;
2555       }
2556
2557     /* the keys */
2558     for( node = keyblock; node; node = node->next ) {
2559         if( node->pkt->pkttype == PKT_PUBLIC_KEY
2560             || (with_subkeys && node->pkt->pkttype == PKT_PUBLIC_SUBKEY
2561                 && !is_deleted_kbnode(node)) ) {
2562             PKT_public_key *pk = node->pkt->pkt.public_key;
2563             const char *otrust="err",*trust="err";
2564
2565             if( node->pkt->pkttype == PKT_PUBLIC_KEY ) {
2566                 /* do it here, so that debug messages don't clutter the
2567                  * output */
2568                 static int did_warn = 0;
2569
2570                 trust = get_validity_string (pk, NULL);
2571                 otrust = get_ownertrust_string (pk);
2572
2573                 /* Show a warning once */
2574                 if (!did_warn
2575                     && (get_validity (pk, NULL) & TRUST_FLAG_PENDING_CHECK)) {
2576                     did_warn = 1;
2577                     do_warn = 1;
2578                 }
2579
2580                 pk_version=pk->version;
2581                 primary=pk;
2582             }
2583
2584             if(pk->is_revoked)
2585               {
2586                 char *user=get_user_id_string_native(pk->revoked.keyid);
2587                 const char *algo=pubkey_algo_to_string(pk->revoked.algo);
2588                 tty_printf(_("This key was revoked on %s by %s key %s\n"),
2589                            revokestr_from_pk(pk),algo?algo:"?",user);
2590                 m_free(user);
2591               }
2592
2593             if(with_revoker)
2594               {
2595                 if( !pk->revkey && pk->numrevkeys )
2596                   BUG();
2597                 else
2598                   for(i=0;i<pk->numrevkeys;i++)
2599                     {
2600                       u32 r_keyid[2];
2601                       char *user;
2602                       const char *algo=
2603                         pubkey_algo_to_string(pk->revkey[i].algid);
2604
2605                       keyid_from_fingerprint(pk->revkey[i].fpr,
2606                                              MAX_FINGERPRINT_LEN,r_keyid);
2607
2608                       user=get_user_id_string_native(r_keyid);
2609                       tty_printf(_("This key may be revoked by %s key %s"),
2610                                  algo?algo:"?",user);
2611
2612                       if(pk->revkey[i].class&0x40)
2613                         {
2614                           tty_printf(" ");
2615                           tty_printf(_("(sensitive)"));
2616                         }
2617
2618                       tty_printf ("\n");
2619                       m_free(user);
2620                     }
2621               }
2622
2623             keyid_from_pk(pk,NULL);
2624             tty_printf("%s%c %4u%c/%s  ",
2625                        node->pkt->pkttype == PKT_PUBLIC_KEY? "pub":"sub",
2626                        (node->flag & NODFLG_SELKEY)? '*':' ',
2627                        nbits_from_pk( pk ),
2628                        pubkey_letter( pk->pubkey_algo ),
2629                        keystr(pk->keyid));
2630
2631             tty_printf(_("created: %s"),datestr_from_pk(pk));
2632             tty_printf("  ");
2633             if(pk->is_revoked)
2634               tty_printf(_("revoked: %s"),revokestr_from_pk(pk));
2635             else if(pk->has_expired)
2636               tty_printf(_("expired: %s"),expirestr_from_pk(pk));
2637             else
2638               tty_printf(_("expires: %s"),expirestr_from_pk(pk));
2639             tty_printf("  ");
2640             tty_printf(_("usage: %s"),usagestr_from_pk(pk));
2641             tty_printf("\n");
2642
2643             if( node->pkt->pkttype == PKT_PUBLIC_KEY )
2644               {
2645                 if(opt.trust_model!=TM_ALWAYS)
2646                   {
2647                     tty_printf("%*s", (int)keystrlen()+13,"");
2648                     /* Ownertrust is only meaningful for the PGP or
2649                        classic trust models */
2650                     if(opt.trust_model==TM_PGP || opt.trust_model==TM_CLASSIC)
2651                       {
2652                         int width=14-strlen(otrust);
2653                         if(width<=0)
2654                           width=1;
2655                         tty_printf(_("trust: %s"), otrust);
2656                         tty_printf("%*s",width,"");
2657                       }
2658                     
2659                     tty_printf(_("validity: %s"), trust );
2660                     tty_printf("\n");
2661                   }
2662                 if( node->pkt->pkttype == PKT_PUBLIC_KEY
2663                     && (get_ownertrust (pk)&TRUST_FLAG_DISABLED))
2664                   {
2665                     tty_printf("*** ");
2666                     tty_printf(_("This key has been disabled"));
2667                     tty_printf("\n");
2668                   }
2669               }
2670
2671             if( node->pkt->pkttype == PKT_PUBLIC_KEY && with_fpr )
2672               {
2673                 print_fingerprint ( pk, NULL, 2 );
2674                 tty_printf("\n");
2675               }
2676         }
2677         else if( node->pkt->pkttype == PKT_SECRET_KEY
2678             || (with_subkeys && node->pkt->pkttype == PKT_SECRET_SUBKEY) )
2679           {
2680             PKT_secret_key *sk = node->pkt->pkt.secret_key;
2681             tty_printf("%s%c %4u%c/%s  ",
2682                        node->pkt->pkttype == PKT_SECRET_KEY? "sec":"ssb",
2683                        (node->flag & NODFLG_SELKEY)? '*':' ',
2684                        nbits_from_sk( sk ),
2685                        pubkey_letter( sk->pubkey_algo ),
2686                        keystr_from_sk(sk));
2687             tty_printf(_("created: %s"),datestr_from_sk(sk));
2688             tty_printf("  ");
2689             tty_printf(_("expires: %s"),expirestr_from_sk(sk));
2690             tty_printf("\n");
2691             if (sk->is_protected && sk->protect.s2k.mode == 1002)
2692               {
2693                 tty_printf("                     ");
2694                 tty_printf(_("card-no: ")); 
2695                 if (sk->protect.ivlen == 16
2696                     && !memcmp (sk->protect.iv, "\xD2\x76\x00\x01\x24\x01", 6))
2697                   { /* This is an OpenPGP card. */
2698                     for (i=8; i < 14; i++)
2699                       {
2700                         if (i == 10)
2701                           tty_printf (" ");
2702                         tty_printf ("%02X", sk->protect.iv[i]);
2703                       }
2704                   }
2705                 else
2706                   { /* Something is wrong: Print all. */
2707                     for (i=0; i < sk->protect.ivlen; i++)
2708                       tty_printf ("%02X", sk->protect.iv[i]);
2709                   }
2710                 tty_printf ("\n");
2711               }
2712           }
2713     }
2714     
2715     /* the user ids */
2716
2717     i = 0;
2718     for( node = keyblock; node; node = node->next )
2719       {
2720         if( node->pkt->pkttype == PKT_USER_ID
2721             && !is_deleted_kbnode(node))
2722           {
2723             PKT_user_id *uid = node->pkt->pkt.user_id;
2724             ++i;
2725             if( !only_marked || (only_marked && (node->flag & NODFLG_MARK_A)))
2726               {
2727                 if(!only_marked && primary)
2728                   tty_printf("%s ",uid_trust_string_fixed(primary,uid));
2729
2730                 if( only_marked )
2731                   tty_printf("     ");
2732                 else if( node->flag & NODFLG_SELUID )
2733                   tty_printf("(%d)* ", i);
2734                 else if( uid->is_primary )
2735                   tty_printf("(%d). ", i);
2736                 else
2737                   tty_printf("(%d)  ", i);
2738                 tty_print_utf8_string( uid->name, uid->len );
2739                 tty_printf("\n");
2740                 if( with_prefs )
2741                   {
2742                     if(pk_version>3 || uid->selfsigversion>3)
2743                       {
2744                         PKT_signature *selfsig=NULL;
2745                         KBNODE signode;
2746
2747                         for(signode=node->next;
2748                             signode && signode->pkt->pkttype==PKT_SIGNATURE;
2749                             signode=signode->next)
2750                           {
2751                             if(signode->pkt->pkt.signature->
2752                                flags.chosen_selfsig)
2753                               {
2754                                 selfsig=signode->pkt->pkt.signature;
2755                                 break;
2756                               }
2757                           }
2758
2759                         show_prefs (uid, selfsig, with_prefs == 2);
2760                       }
2761                     else
2762                       tty_printf(_("There are no preferences on a"
2763                                    " PGP 2.x-style user ID.\n"));
2764                   }
2765               }
2766           }
2767       }
2768
2769     if (do_warn)
2770         tty_printf (_("Please note that the shown key validity"
2771                       " is not necessarily correct\n"
2772                       "unless you restart the program.\n")); 
2773 }
2774
2775
2776 /* Display basic key information.  This fucntion is suitable to show
2777    information on the key without any dependencies on the trustdb or
2778    any other internal GnuPG stuff.  KEYBLOCK may either be a public or
2779    a secret key.*/
2780 void
2781 show_basic_key_info ( KBNODE keyblock )
2782 {
2783   KBNODE node;
2784   int i;
2785
2786   /* The primary key */
2787   for (node = keyblock; node; node = node->next)
2788     {
2789       if (node->pkt->pkttype == PKT_PUBLIC_KEY)
2790         {
2791           PKT_public_key *pk = node->pkt->pkt.public_key;
2792           
2793           /* Note, we use the same format string as in other show
2794              functions to make the translation job easier. */
2795           tty_printf ("%s  %4u%c/%s  ",
2796                       node->pkt->pkttype == PKT_PUBLIC_KEY? "pub":"sub",
2797                       nbits_from_pk( pk ),
2798                       pubkey_letter( pk->pubkey_algo ),
2799                       keystr_from_pk(pk));
2800           tty_printf(_("created: %s"),datestr_from_pk(pk));
2801           tty_printf("  ");
2802           tty_printf(_("expires: %s"),expirestr_from_pk(pk));
2803           tty_printf("\n");
2804           print_fingerprint ( pk, NULL, 3 );
2805           tty_printf("\n");
2806         }
2807       else if (node->pkt->pkttype == PKT_SECRET_KEY)
2808         {
2809           PKT_secret_key *sk = node->pkt->pkt.secret_key;
2810           tty_printf("%s  %4u%c/%s",
2811                      node->pkt->pkttype == PKT_SECRET_KEY? "sec":"ssb",
2812                      nbits_from_sk( sk ),
2813                      pubkey_letter( sk->pubkey_algo ),
2814                      keystr_from_sk(sk));
2815           tty_printf(_("created: %s"),datestr_from_sk(sk));
2816           tty_printf("  ");
2817           tty_printf(_("expires: %s"),expirestr_from_sk(sk));
2818           tty_printf("\n");
2819           print_fingerprint (NULL, sk, 3 );
2820           tty_printf("\n");
2821         }
2822     }
2823
2824   /* The user IDs. */
2825   for (i=0, node = keyblock; node; node = node->next)
2826     {
2827       if (node->pkt->pkttype == PKT_USER_ID)
2828         {
2829           PKT_user_id *uid = node->pkt->pkt.user_id;
2830           ++i;
2831      
2832           tty_printf ("     ");
2833           if (uid->is_revoked)
2834             tty_printf("[%s] ",_("revoked"));
2835           else if ( uid->is_expired )
2836             tty_printf("[%s] ",_("expired"));
2837           tty_print_utf8_string (uid->name, uid->len);
2838           tty_printf ("\n");
2839         }
2840     }
2841 }
2842
2843 static void
2844 show_key_and_fingerprint( KBNODE keyblock )
2845 {
2846   KBNODE node;
2847   PKT_public_key *pk = NULL;
2848
2849   for( node = keyblock; node; node = node->next )
2850     {
2851       if( node->pkt->pkttype == PKT_PUBLIC_KEY )
2852         {
2853           pk = node->pkt->pkt.public_key;
2854           tty_printf("pub   %4u%c/%s %s ",
2855                      nbits_from_pk( pk ),
2856                      pubkey_letter( pk->pubkey_algo ),
2857                      keystr_from_pk(pk),
2858                      datestr_from_pk(pk) );
2859         }
2860       else if( node->pkt->pkttype == PKT_USER_ID )
2861         {
2862           PKT_user_id *uid = node->pkt->pkt.user_id;
2863           tty_print_utf8_string( uid->name, uid->len );
2864           break;
2865         }
2866     }
2867   tty_printf("\n");
2868   if( pk )
2869     print_fingerprint( pk, NULL, 2 );
2870 }
2871
2872
2873 /* Show a warning if no uids on the key have the primary uid flag
2874    set. */
2875 static void
2876 no_primary_warning(KBNODE keyblock)
2877 {
2878   KBNODE node;
2879   int have_primary=0,uid_count=0;
2880
2881   /* TODO: if we ever start behaving differently with a primary or
2882      non-primary attribute ID, we will need to check for attributes
2883      here as well. */
2884
2885   for(node=keyblock; node; node = node->next)
2886     {
2887       if(node->pkt->pkttype==PKT_USER_ID
2888          && node->pkt->pkt.user_id->attrib_data==NULL)
2889         {
2890           uid_count++;
2891
2892           if(node->pkt->pkt.user_id->is_primary==2)
2893             {
2894               have_primary=1;
2895               break;
2896             }
2897         }
2898     }
2899
2900   if(uid_count>1 && !have_primary)
2901     log_info(_("WARNING: no user ID has been marked as primary.  This command"
2902                " may\n              cause a different user ID to become"
2903                " the assumed primary.\n"));
2904 }
2905
2906 /****************
2907  * Ask for a new user id, do the selfsignature and put it into
2908  * both keyblocks.
2909  * Return true if there is a new user id
2910  */
2911 static int
2912 menu_adduid( KBNODE pub_keyblock, KBNODE sec_keyblock, int photo)
2913 {
2914     PKT_user_id *uid;
2915     PKT_public_key *pk=NULL;
2916     PKT_secret_key *sk=NULL;
2917     PKT_signature *sig=NULL;
2918     PACKET *pkt;
2919     KBNODE node;
2920     KBNODE pub_where=NULL, sec_where=NULL;
2921     int rc;
2922
2923     for( node = pub_keyblock; node; pub_where = node, node = node->next ) {
2924         if( node->pkt->pkttype == PKT_PUBLIC_KEY )
2925             pk = node->pkt->pkt.public_key;
2926         else if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY )
2927             break;
2928     }
2929     if( !node ) /* no subkey */
2930         pub_where = NULL;
2931     for( node = sec_keyblock; node; sec_where = node, node = node->next ) {
2932         if( node->pkt->pkttype == PKT_SECRET_KEY )
2933             sk = copy_secret_key( NULL, node->pkt->pkt.secret_key);
2934         else if( node->pkt->pkttype == PKT_SECRET_SUBKEY )
2935             break;
2936     }
2937     if( !node ) /* no subkey */
2938         sec_where = NULL;
2939     assert(pk && sk);
2940
2941     if(photo) {
2942       int hasattrib=0;
2943
2944       for( node = pub_keyblock; node; node = node->next )
2945         if( node->pkt->pkttype == PKT_USER_ID &&
2946             node->pkt->pkt.user_id->attrib_data!=NULL)
2947           {
2948             hasattrib=1;
2949             break;
2950           }
2951
2952       /* It is legal but bad for compatibility to add a photo ID to a
2953          v3 key as it means that PGP2 will not be able to use that key
2954          anymore.  Also, PGP may not expect a photo on a v3 key.
2955          Don't bother to ask this if the key already has a photo - any
2956          damage has already been done at that point. -dms */
2957       if(pk->version==3 && !hasattrib)
2958         {
2959           if(opt.expert)
2960             {
2961               tty_printf(_("WARNING: This is a PGP2-style key.  "
2962                            "Adding a photo ID may cause some versions\n"
2963                            "         of PGP to reject this key.\n"));
2964
2965               if(!cpr_get_answer_is_yes("keyedit.v3_photo.okay",
2966                                         _("Are you sure you still want "
2967                                           "to add it? (y/N) ")))
2968                 return 0;
2969             }
2970           else
2971             {
2972               tty_printf(_("You may not add a photo ID to "
2973                            "a PGP2-style key.\n"));
2974               return 0;
2975             }
2976         }
2977
2978       uid = generate_photo_id(pk);
2979     } else
2980       uid = generate_user_id();
2981     if( !uid )
2982         return 0;
2983
2984     rc = make_keysig_packet( &sig, pk, uid, NULL, sk, 0x13, 0, 0, 0, 0,
2985                              keygen_add_std_prefs, pk );
2986     free_secret_key( sk );
2987     if( rc ) {
2988         log_error("signing failed: %s\n", g10_errstr(rc) );
2989         free_user_id(uid);
2990         return 0;
2991     }
2992
2993     /* insert/append to secret keyblock */
2994     pkt = m_alloc_clear( sizeof *pkt );
2995     pkt->pkttype = PKT_USER_ID;
2996     pkt->pkt.user_id = scopy_user_id(uid);
2997     node = new_kbnode(pkt);
2998     if( sec_where )
2999         insert_kbnode( sec_where, node, 0 );
3000     else
3001         add_kbnode( sec_keyblock, node );
3002     pkt = m_alloc_clear( sizeof *pkt );
3003     pkt->pkttype = PKT_SIGNATURE;
3004     pkt->pkt.signature = copy_signature(NULL, sig);
3005     if( sec_where )
3006         insert_kbnode( node, new_kbnode(pkt), 0 );
3007     else
3008         add_kbnode( sec_keyblock, new_kbnode(pkt) );
3009     /* insert/append to public keyblock */
3010     pkt = m_alloc_clear( sizeof *pkt );
3011     pkt->pkttype = PKT_USER_ID;
3012     pkt->pkt.user_id = uid;
3013     node = new_kbnode(pkt);
3014     if( pub_where )
3015         insert_kbnode( pub_where, node, 0 );
3016     else
3017         add_kbnode( pub_keyblock, node );
3018     pkt = m_alloc_clear( sizeof *pkt );
3019     pkt->pkttype = PKT_SIGNATURE;
3020     pkt->pkt.signature = copy_signature(NULL, sig);
3021     if( pub_where )
3022         insert_kbnode( node, new_kbnode(pkt), 0 );
3023     else
3024         add_kbnode( pub_keyblock, new_kbnode(pkt) );
3025     return 1;
3026 }
3027
3028
3029 /****************
3030  * Remove all selected userids from the keyrings
3031  */
3032 static void
3033 menu_deluid( KBNODE pub_keyblock, KBNODE sec_keyblock )
3034 {
3035     KBNODE node;
3036     int selected=0;
3037
3038     for( node = pub_keyblock; node; node = node->next ) {
3039         if( node->pkt->pkttype == PKT_USER_ID ) {
3040             selected = node->flag & NODFLG_SELUID;
3041             if( selected ) {
3042                 /* Only cause a trust update if we delete a
3043                    non-revoked user id */
3044                 if(!node->pkt->pkt.user_id->is_revoked)
3045                   update_trust=1;
3046                 delete_kbnode( node );
3047                 if( sec_keyblock ) {
3048                     KBNODE snode;
3049                     int s_selected = 0;
3050                     PKT_user_id *uid = node->pkt->pkt.user_id;
3051                     for( snode = sec_keyblock; snode; snode = snode->next ) {
3052                         if( snode->pkt->pkttype == PKT_USER_ID ) {
3053                             PKT_user_id *suid = snode->pkt->pkt.user_id;
3054
3055                             s_selected =
3056                                 (uid->len == suid->len
3057                                  && !memcmp( uid->name, suid->name, uid->len));
3058                             if( s_selected )
3059                                 delete_kbnode( snode );
3060                         }
3061                         else if( s_selected
3062                                  && snode->pkt->pkttype == PKT_SIGNATURE )
3063                             delete_kbnode( snode );
3064                         else if( snode->pkt->pkttype == PKT_SECRET_SUBKEY )
3065                             s_selected = 0;
3066                     }
3067                 }
3068             }
3069         }
3070         else if( selected && node->pkt->pkttype == PKT_SIGNATURE )
3071             delete_kbnode( node );
3072         else if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY )
3073             selected = 0;
3074     }
3075     commit_kbnode( &pub_keyblock );
3076     if( sec_keyblock )
3077         commit_kbnode( &sec_keyblock );
3078 }
3079
3080
3081 static int
3082 menu_delsig( KBNODE pub_keyblock )
3083 {
3084     KBNODE node;
3085     PKT_user_id *uid = NULL;
3086     int changed=0;
3087
3088     for( node = pub_keyblock; node; node = node->next ) {
3089         if( node->pkt->pkttype == PKT_USER_ID ) {
3090             uid = (node->flag & NODFLG_SELUID)? node->pkt->pkt.user_id : NULL;
3091         }
3092         else if( uid && node->pkt->pkttype == PKT_SIGNATURE ) {
3093            int okay, valid, selfsig, inv_sig, no_key, other_err;
3094
3095             tty_printf("uid  ");
3096             tty_print_utf8_string( uid->name, uid->len );
3097             tty_printf("\n");
3098
3099             okay = inv_sig = no_key = other_err = 0;
3100             if(opt.with_colons)
3101               valid = print_and_check_one_sig_colon( pub_keyblock, node,
3102                                                &inv_sig, &no_key, &other_err,
3103                                                &selfsig, 1 );
3104             else
3105               valid = print_and_check_one_sig( pub_keyblock, node,
3106                                                &inv_sig, &no_key, &other_err,
3107                                                &selfsig, 1 );
3108
3109            if( valid ) {
3110                okay = cpr_get_answer_yes_no_quit(
3111                    "keyedit.delsig.valid",
3112                    _("Delete this good signature? (y/N/q)"));
3113
3114                /* Only update trust if we delete a good signature.
3115                   The other two cases do not affect trust. */
3116                if(okay)
3117                  update_trust=1;
3118            }
3119            else if( inv_sig || other_err )
3120                okay = cpr_get_answer_yes_no_quit(
3121                    "keyedit.delsig.invalid",
3122                    _("Delete this invalid signature? (y/N/q)"));
3123            else if( no_key )
3124                okay = cpr_get_answer_yes_no_quit(
3125                    "keyedit.delsig.unknown",
3126                    _("Delete this unknown signature? (y/N/q)"));
3127
3128             if( okay == -1 )
3129                 break;
3130            if( okay && selfsig && !cpr_get_answer_is_yes(
3131                                "keyedit.delsig.selfsig",
3132                               _("Really delete this self-signature? (y/N)") ))
3133                 okay = 0;
3134             if( okay ) {
3135                 delete_kbnode( node );
3136                 changed++;
3137             }
3138
3139         }
3140         else if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY )
3141             uid = NULL;
3142     }
3143
3144     if( changed ) {
3145         commit_kbnode( &pub_keyblock );
3146         tty_printf( changed == 1? _("Deleted %d signature.\n")
3147                                 : _("Deleted %d signatures.\n"), changed );
3148     }
3149     else
3150         tty_printf( _("Nothing deleted.\n") );
3151
3152     return changed;
3153 }
3154
3155 static int
3156 menu_clean_sigs_from_uids(KBNODE keyblock)
3157 {
3158   KBNODE uidnode;
3159   int modified=0;
3160   int select_all=!count_selected_uids(keyblock);
3161
3162   for(uidnode=keyblock->next;uidnode;uidnode=uidnode->next)
3163     {
3164       if(uidnode->pkt->pkttype==PKT_USER_ID
3165          && (uidnode->flag&NODFLG_SELUID || select_all))
3166         {
3167           int deleted;
3168           char *user=utf8_to_native(uidnode->pkt->pkt.user_id->name,
3169                                     uidnode->pkt->pkt.user_id->len,
3170                                     0);
3171           deleted=clean_sigs_from_uid(keyblock,uidnode,opt.verbose);
3172           if(deleted)
3173             {
3174               tty_printf(deleted==1?
3175                          "User ID \"%s\": %d signature removed.\n":
3176                          "User ID \"%s\": %d signatures removed.\n",
3177                          user,deleted);
3178               modified=1;
3179             }
3180           else
3181             tty_printf(_("User ID \"%s\": already clean.\n"),user);
3182
3183           m_free(user);
3184         }
3185     }
3186
3187   return modified;
3188 }
3189
3190 static int
3191 menu_clean_uids_from_key(KBNODE keyblock)
3192 {
3193   int modified=clean_uids_from_key(keyblock,0);
3194
3195   if(modified)
3196     {
3197       KBNODE node,uidnode=NULL;
3198
3199       for(node=keyblock->next;node;node=node->next)
3200         {
3201           if(node->pkt->pkttype==PKT_USER_ID)
3202             uidnode=node;
3203           else if(uidnode && node->pkt->pkttype==PKT_SIGNATURE
3204                   && is_deleted_kbnode(node))
3205             {
3206               const char *reason;
3207               char *user=utf8_to_native(uidnode->pkt->pkt.user_id->name,
3208                                         uidnode->pkt->pkt.user_id->len,0);
3209
3210               if(uidnode->pkt->pkt.user_id->is_revoked)
3211                 reason=_("revoked");
3212               else if(uidnode->pkt->pkt.user_id->is_expired)
3213                 reason=_("expired");
3214               else
3215                 reason=_("invalid");
3216
3217               tty_printf("User ID \"%s\" compacted: %s\n",user,reason);
3218
3219               uidnode=NULL;
3220
3221               m_free(user);
3222             }
3223         }
3224     }
3225   else
3226     tty_printf("No user IDs are compactable.\n");
3227
3228   return modified;
3229 }
3230
3231 /****************
3232  * Remove some of the secondary keys
3233  */
3234 static void
3235 menu_delkey( KBNODE pub_keyblock, KBNODE sec_keyblock )
3236 {
3237     KBNODE node;
3238     int selected=0;
3239
3240     for( node = pub_keyblock; node; node = node->next ) {
3241         if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY ) {
3242             selected = node->flag & NODFLG_SELKEY;
3243             if( selected ) {
3244                 delete_kbnode( node );
3245                 if( sec_keyblock ) {
3246                     KBNODE snode;
3247                     int s_selected = 0;
3248                     u32 ki[2];
3249
3250                     keyid_from_pk( node->pkt->pkt.public_key, ki );
3251                     for( snode = sec_keyblock; snode; snode = snode->next ) {
3252                         if( snode->pkt->pkttype == PKT_SECRET_SUBKEY ) {
3253                             u32 ki2[2];
3254
3255                             keyid_from_sk( snode->pkt->pkt.secret_key, ki2 );
3256                             s_selected = (ki[0] == ki2[0] && ki[1] == ki2[1]);
3257                             if( s_selected )
3258                                 delete_kbnode( snode );
3259                         }
3260                         else if( s_selected
3261                                  && snode->pkt->pkttype == PKT_SIGNATURE )
3262                             delete_kbnode( snode );
3263                         else
3264                             s_selected = 0;
3265                     }
3266                 }
3267             }
3268         }
3269         else if( selected && node->pkt->pkttype == PKT_SIGNATURE )
3270             delete_kbnode( node );
3271         else
3272             selected = 0;
3273     }
3274     commit_kbnode( &pub_keyblock );
3275     if( sec_keyblock )
3276         commit_kbnode( &sec_keyblock );
3277
3278     /* No need to set update_trust here since signing keys are no
3279        longer used to certify other keys, so there is no change in
3280        trust when revoking/removing them */
3281 }
3282
3283
3284 /****************
3285  * Ask for a new revoker, do the selfsignature and put it into
3286  * both keyblocks.
3287  * Return true if there is a new revoker
3288  */
3289 static int
3290 menu_addrevoker( KBNODE pub_keyblock, KBNODE sec_keyblock, int sensitive )
3291 {
3292   PKT_public_key *pk=NULL,*revoker_pk=NULL;
3293   PKT_secret_key *sk=NULL;
3294   PKT_signature *sig=NULL;
3295   PACKET *pkt;
3296   struct revocation_key revkey;
3297   size_t fprlen;
3298   int rc;
3299
3300   assert(pub_keyblock->pkt->pkttype==PKT_PUBLIC_KEY);
3301   assert(sec_keyblock->pkt->pkttype==PKT_SECRET_KEY);
3302
3303   pk=pub_keyblock->pkt->pkt.public_key;
3304
3305   if(pk->numrevkeys==0 && pk->version==3)
3306     {
3307       /* It is legal but bad for compatibility to add a revoker to a
3308          v3 key as it means that PGP2 will not be able to use that key
3309          anymore.  Also, PGP may not expect a revoker on a v3 key.
3310          Don't bother to ask this if the key already has a revoker -
3311          any damage has already been done at that point. -dms */
3312       if(opt.expert)
3313         {
3314           tty_printf(_("WARNING: This is a PGP 2.x-style key.  "
3315                        "Adding a designated revoker may cause\n"
3316                        "         some versions of PGP to reject this key.\n"));
3317
3318           if(!cpr_get_answer_is_yes("keyedit.v3_revoker.okay",
3319                                     _("Are you sure you still want "
3320                                       "to add it? (y/N) ")))
3321             return 0;
3322         }
3323       else
3324         {
3325           tty_printf(_("You may not add a designated revoker to "
3326                        "a PGP 2.x-style key.\n"));
3327           return 0;
3328         }
3329     }
3330
3331   sk=copy_secret_key(NULL,sec_keyblock->pkt->pkt.secret_key);
3332
3333   for(;;)
3334     {
3335       char *answer;
3336
3337       if(revoker_pk)
3338         free_public_key(revoker_pk);
3339
3340       revoker_pk=m_alloc_clear(sizeof(*revoker_pk));
3341
3342       tty_printf("\n");
3343
3344       answer=cpr_get_utf8("keyedit.add_revoker",
3345                           _("Enter the user ID of the designated revoker: "));
3346       if(answer[0]=='\0' || answer[0]=='\004')
3347         {
3348           m_free(answer);
3349           goto fail;
3350         }
3351
3352       /* Note that I'm requesting SIG here and not CERT.  We're making
3353          a certification, but it is okay to be a subkey. */
3354       revoker_pk->req_usage=PUBKEY_USAGE_SIG;
3355       rc=get_pubkey_byname(revoker_pk,answer,NULL,NULL,1);
3356       if(rc)
3357         {
3358           log_error (_("key \"%s\" not found: %s\n"),answer,g10_errstr(rc));
3359           m_free(answer);
3360           continue;
3361         }
3362
3363       m_free(answer);
3364
3365       fingerprint_from_pk(revoker_pk,revkey.fpr,&fprlen);
3366       if(fprlen!=20)
3367         {
3368           log_error(_("cannot appoint a PGP 2.x style key as a "
3369                       "designated revoker\n"));
3370           continue;
3371         }
3372
3373       revkey.class=0x80;
3374       if(sensitive)
3375         revkey.class|=0x40;
3376       revkey.algid=revoker_pk->pubkey_algo;
3377
3378       if(cmp_public_keys(revoker_pk,pk)==0)
3379         {
3380           /* This actually causes no harm (after all, a key that
3381              designates itself as a revoker is the same as a
3382              regular key), but it's easy enough to check. */
3383           log_error(_("you cannot appoint a key as its own "
3384                       "designated revoker\n"));
3385
3386           continue;
3387         }
3388
3389       keyid_from_pk(pk,NULL);
3390
3391       /* Does this revkey already exist? */
3392       if(!pk->revkey && pk->numrevkeys)
3393         BUG();
3394       else
3395         {
3396           int i;
3397
3398           for(i=0;i<pk->numrevkeys;i++)
3399             {
3400               if(memcmp(&pk->revkey[i],&revkey,
3401                         sizeof(struct revocation_key))==0)
3402                 {
3403                   char buf[50];
3404
3405                   log_error(_("this key has already been designated "
3406                               "as a revoker\n"));
3407
3408                   sprintf(buf,"%08lX%08lX",
3409                           (ulong)pk->keyid[0],(ulong)pk->keyid[1]);
3410                   write_status_text(STATUS_ALREADY_SIGNED,buf);
3411
3412                   break;
3413                 }
3414             }
3415
3416           if(i<pk->numrevkeys)
3417             continue;
3418         }
3419
3420       print_pubkey_info(NULL,revoker_pk);
3421       print_fingerprint(revoker_pk,NULL,2);
3422       tty_printf("\n");
3423
3424       tty_printf(_("WARNING: appointing a key as a designated revoker "
3425                    "cannot be undone!\n"));
3426
3427       tty_printf("\n");
3428
3429       if(!cpr_get_answer_is_yes("keyedit.add_revoker.okay",
3430                                 _("Are you sure you want to appoint this "
3431                                   "key as a designated revoker? (y/N) ")))
3432         continue;
3433
3434       free_public_key(revoker_pk);
3435       revoker_pk=NULL;
3436       break;
3437     }
3438
3439   /* The 1F signature must be at least v4 to carry the revocation key
3440      subpacket. */
3441   rc = make_keysig_packet( &sig, pk, NULL, NULL, sk, 0x1F, 0, 4, 0, 0,
3442                            keygen_add_revkey,&revkey );
3443   if( rc )
3444     {
3445       log_error("signing failed: %s\n", g10_errstr(rc) );
3446       goto fail;
3447     }
3448
3449   free_secret_key(sk);
3450   sk=NULL;
3451
3452   /* insert into secret keyblock */
3453   pkt = m_alloc_clear( sizeof *pkt );
3454   pkt->pkttype = PKT_SIGNATURE;
3455   pkt->pkt.signature = copy_signature(NULL, sig);
3456   insert_kbnode( sec_keyblock, new_kbnode(pkt), PKT_SIGNATURE );
3457
3458   /* insert into public keyblock */
3459   pkt = m_alloc_clear( sizeof *pkt );
3460   pkt->pkttype = PKT_SIGNATURE;
3461   pkt->pkt.signature = sig;
3462   insert_kbnode( pub_keyblock, new_kbnode(pkt), PKT_SIGNATURE );
3463
3464   return 1;
3465
3466  fail:
3467   if(sk)
3468     free_secret_key(sk);
3469   if(sig)
3470     free_seckey_enc(sig);
3471   if(revoker_pk)
3472     free_public_key(revoker_pk);
3473
3474   return 0;
3475 }
3476
3477
3478 static int
3479 menu_expire( KBNODE pub_keyblock, KBNODE sec_keyblock )
3480 {
3481     int n1, signumber, rc;
3482     u32 expiredate;
3483     int mainkey=0;
3484     PKT_secret_key *sk;    /* copy of the main sk */
3485     PKT_public_key *main_pk, *sub_pk;
3486     PKT_user_id *uid;
3487     KBNODE node;
3488     u32 keyid[2];
3489
3490     if( count_selected_keys( sec_keyblock ) ) {
3491         tty_printf(_("Please remove selections from the secret keys.\n"));
3492         return 0;
3493     }
3494
3495     n1 = count_selected_keys( pub_keyblock );
3496     if( n1 > 1 ) {
3497         tty_printf(_("Please select at most one subkey.\n"));
3498         return 0;
3499     }
3500     else if( n1 )
3501         tty_printf(_("Changing expiration time for a subkey.\n"));
3502     else
3503       {
3504         tty_printf(_("Changing expiration time for the primary key.\n"));
3505         mainkey=1;
3506         no_primary_warning(pub_keyblock);
3507       }
3508
3509     expiredate = ask_expiredate();
3510     node = find_kbnode( sec_keyblock, PKT_SECRET_KEY );
3511     sk = copy_secret_key( NULL, node->pkt->pkt.secret_key);
3512
3513     /* Now we can actually change the self signature(s) */
3514     main_pk = sub_pk = NULL;
3515     uid = NULL;
3516     signumber = 0;
3517     for( node=pub_keyblock; node; node = node->next ) {
3518         if( node->pkt->pkttype == PKT_PUBLIC_KEY ) {
3519             main_pk = node->pkt->pkt.public_key;
3520             keyid_from_pk( main_pk, keyid );
3521             main_pk->expiredate = expiredate;
3522         }
3523         else if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY
3524                  && (node->flag & NODFLG_SELKEY ) ) {
3525             sub_pk = node->pkt->pkt.public_key;
3526             sub_pk->expiredate = expiredate;
3527         }
3528         else if( node->pkt->pkttype == PKT_USER_ID )
3529             uid = node->pkt->pkt.user_id;
3530         else if( main_pk && node->pkt->pkttype == PKT_SIGNATURE
3531                  && ( mainkey || sub_pk ) ) {
3532             PKT_signature *sig = node->pkt->pkt.signature;
3533             if( keyid[0] == sig->keyid[0] && keyid[1] == sig->keyid[1]
3534                 && ( (mainkey && uid
3535                       && uid->created && (sig->sig_class&~3) == 0x10)
3536                      || (!mainkey && sig->sig_class == 0x18)  )
3537                 && sig->flags.chosen_selfsig )
3538               {
3539                 /* this is a selfsignature which is to be replaced */
3540                 PKT_signature *newsig;
3541                 PACKET *newpkt;
3542                 KBNODE sn;
3543                 int signumber2 = 0;
3544
3545                 signumber++;
3546
3547                 if( (mainkey && main_pk->version < 4)
3548                     || (!mainkey && sub_pk->version < 4 ) ) {
3549                     log_info(_(
3550                         "You can't change the expiration date of a v3 key\n"));
3551                     free_secret_key( sk );
3552                     return 0;
3553                 }
3554
3555                 /* find the corresponding secret self-signature */
3556                 for( sn=sec_keyblock; sn; sn = sn->next ) {
3557                     if( sn->pkt->pkttype == PKT_SIGNATURE ) {
3558                         PKT_signature *b = sn->pkt->pkt.signature;
3559                         if( keyid[0] == b->keyid[0] && keyid[1] == b->keyid[1]
3560                             && sig->sig_class == b->sig_class
3561                             && ++signumber2 == signumber )
3562                             break;
3563                     }
3564                 }
3565                 if( !sn )
3566                     log_info(_("No corresponding signature in secret ring\n"));
3567
3568                 if( mainkey )
3569                   rc = update_keysig_packet(&newsig, sig, main_pk, uid, NULL,
3570                                             sk, keygen_add_key_expire, main_pk);
3571                 else
3572                   rc = update_keysig_packet(&newsig, sig, main_pk, NULL, sub_pk,
3573                                             sk, keygen_add_key_expire, sub_pk );
3574                 if( rc ) {
3575                     log_error("make_keysig_packet failed: %s\n",
3576                                                     g10_errstr(rc));
3577                     free_secret_key( sk );
3578                     return 0;
3579                 }
3580                 /* replace the packet */
3581                 newpkt = m_alloc_clear( sizeof *newpkt );
3582                 newpkt->pkttype = PKT_SIGNATURE;
3583                 newpkt->pkt.signature = newsig;
3584                 free_packet( node->pkt );
3585                 m_free( node->pkt );
3586                 node->pkt = newpkt;
3587                 if( sn ) {
3588                     newpkt = m_alloc_clear( sizeof *newpkt );
3589                     newpkt->pkttype = PKT_SIGNATURE;
3590                     newpkt->pkt.signature = copy_signature( NULL, newsig );
3591                     free_packet( sn->pkt );
3592                     m_free( sn->pkt );
3593                     sn->pkt = newpkt;
3594                 }
3595                 sub_pk = NULL;
3596             }
3597         }
3598     }
3599
3600     free_secret_key( sk );
3601     update_trust=1;
3602     return 1;
3603 }
3604
3605 static int
3606 change_primary_uid_cb ( PKT_signature *sig, void *opaque )
3607 {
3608     byte buf[1];
3609
3610     /* first clear all primary uid flags so that we are sure none are
3611      * lingering around */
3612     delete_sig_subpkt (sig->hashed,   SIGSUBPKT_PRIMARY_UID);
3613     delete_sig_subpkt (sig->unhashed, SIGSUBPKT_PRIMARY_UID);
3614
3615     /* if opaque is set,we want to set the primary id */
3616     if (opaque) { 
3617         buf[0] = 1;
3618         build_sig_subpkt (sig, SIGSUBPKT_PRIMARY_UID, buf, 1 );
3619     }
3620
3621     return 0;
3622 }
3623
3624
3625 /*
3626  * Set the primary uid flag for the selected UID.  We will also reset
3627  * all other primary uid flags.  For this to work with have to update
3628  * all the signature timestamps.  If we would do this with the current
3629  * time, we lose quite a lot of information, so we use a a kludge to
3630  * do this: Just increment the timestamp by one second which is
3631  * sufficient to updated a signature during import.
3632  */
3633 static int
3634 menu_set_primary_uid ( KBNODE pub_keyblock, KBNODE sec_keyblock )
3635 {
3636     PKT_secret_key *sk;    /* copy of the main sk */
3637     PKT_public_key *main_pk;
3638     PKT_user_id *uid;
3639     KBNODE node;
3640     u32 keyid[2];
3641     int selected;
3642     int attribute = 0;
3643     int modified = 0;
3644
3645     if ( count_selected_uids (pub_keyblock) != 1 ) {
3646         tty_printf(_("Please select exactly one user ID.\n"));
3647         return 0;
3648     }
3649
3650     node = find_kbnode( sec_keyblock, PKT_SECRET_KEY );
3651     sk = copy_secret_key( NULL, node->pkt->pkt.secret_key);
3652
3653     /* Now we can actually change the self signature(s) */
3654     main_pk = NULL;
3655     uid = NULL;
3656     selected = 0;
3657
3658     /* Is our selected uid an attribute packet? */
3659     for ( node=pub_keyblock; node; node = node->next )
3660       if (node->pkt->pkttype == PKT_USER_ID && node->flag & NODFLG_SELUID)
3661         attribute = (node->pkt->pkt.user_id->attrib_data!=NULL);
3662
3663     for ( node=pub_keyblock; node; node = node->next ) {
3664         if ( node->pkt->pkttype == PKT_PUBLIC_SUBKEY )
3665             break; /* ready */
3666
3667         if ( node->pkt->pkttype == PKT_PUBLIC_KEY ) {
3668             main_pk = node->pkt->pkt.public_key;
3669             keyid_from_pk( main_pk, keyid );
3670         }
3671         else if ( node->pkt->pkttype == PKT_USER_ID ) {
3672             uid = node->pkt->pkt.user_id;
3673             selected = node->flag & NODFLG_SELUID;
3674         }
3675         else if ( main_pk && uid && node->pkt->pkttype == PKT_SIGNATURE ) {
3676             PKT_signature *sig = node->pkt->pkt.signature;
3677             if ( keyid[0] == sig->keyid[0] && keyid[1] == sig->keyid[1]
3678                  && (uid && (sig->sig_class&~3) == 0x10)
3679                  && attribute == (uid->attrib_data!=NULL)
3680                  && sig->flags.chosen_selfsig )
3681               {
3682               if(sig->version < 4) {
3683                 char *user=utf8_to_native(uid->name,strlen(uid->name),0);
3684
3685                 log_info(_("skipping v3 self-signature on user ID \"%s\"\n"),
3686                          user);
3687                 m_free(user);
3688               }
3689               else {
3690                 /* This is a selfsignature which is to be replaced.
3691                    We can just ignore v3 signatures because they are
3692                    not able to carry the primary ID flag.  We also
3693                    ignore self-sigs on user IDs that are not of the
3694                    same type that we are making primary.  That is, if
3695                    we are making a user ID primary, we alter user IDs.
3696                    If we are making an attribute packet primary, we
3697                    alter attribute packets. */
3698
3699                 /* FIXME: We must make sure that we only have one
3700                    self-signature per user ID here (not counting
3701                    revocations) */
3702                 PKT_signature *newsig;
3703                 PACKET *newpkt;
3704                 const byte *p;
3705                 int action;
3706
3707                 /* see whether this signature has the primary UID flag */
3708                 p = parse_sig_subpkt (sig->hashed,
3709                                       SIGSUBPKT_PRIMARY_UID, NULL );
3710                 if ( !p )
3711                     p = parse_sig_subpkt (sig->unhashed,
3712                                           SIGSUBPKT_PRIMARY_UID, NULL );
3713                 if ( p && *p ) /* yes */
3714                     action = selected? 0 : -1;
3715                 else /* no */
3716                     action = selected? 1 : 0;
3717
3718                 if (action) {
3719                     int rc = update_keysig_packet (&newsig, sig,
3720                                                main_pk, uid, NULL,
3721                                                sk,
3722                                                change_primary_uid_cb,
3723                                                action > 0? "x":NULL );
3724                     if( rc ) {
3725                         log_error ("update_keysig_packet failed: %s\n",
3726                                    g10_errstr(rc));
3727                         free_secret_key( sk );
3728                         return 0;
3729                     }
3730                     /* replace the packet */
3731                     newpkt = m_alloc_clear( sizeof *newpkt );
3732                     newpkt->pkttype = PKT_SIGNATURE;
3733                     newpkt->pkt.signature = newsig;
3734                     free_packet( node->pkt );
3735                     m_free( node->pkt );
3736                     node->pkt = newpkt;
3737                     modified = 1;
3738                 }
3739               }
3740             }
3741         }
3742     }
3743
3744     free_secret_key( sk );
3745     return modified;
3746 }
3747
3748
3749 /* 
3750  * Set preferences to new values for the selected user IDs
3751  */
3752 static int
3753 menu_set_preferences (KBNODE pub_keyblock, KBNODE sec_keyblock )
3754 {
3755     PKT_secret_key *sk;    /* copy of the main sk */
3756     PKT_public_key *main_pk;
3757     PKT_user_id *uid;
3758     KBNODE node;
3759     u32 keyid[2];
3760     int selected, select_all;
3761     int modified = 0;
3762
3763     no_primary_warning(pub_keyblock);
3764
3765     select_all = !count_selected_uids (pub_keyblock);
3766
3767     node = find_kbnode( sec_keyblock, PKT_SECRET_KEY );
3768     sk = copy_secret_key( NULL, node->pkt->pkt.secret_key);
3769
3770     /* Now we can actually change the self signature(s) */
3771     main_pk = NULL;
3772     uid = NULL;
3773     selected = 0;
3774     for ( node=pub_keyblock; node; node = node->next ) {
3775         if ( node->pkt->pkttype == PKT_PUBLIC_SUBKEY )
3776             break; /* ready */
3777