* trustdb.c (clean_uids_from_key): Don't keep a valid selfsig around
[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.no_interactive_selection)
1746                     {
1747                       have_commands = 0;
1748                       break;
1749                     }
1750                   interactive=1;
1751                 }
1752               /* What sort of signing are we doing? */
1753               if(!parse_sign_type(answer,&localsig,&nonrevokesig,&trustsig))
1754                 {
1755                   tty_printf(_("Unknown signature type `%s'\n"),answer);
1756                   break;
1757                 }
1758
1759               sign_uids(keyblock, locusr, &modified,
1760                         localsig, nonrevokesig, trustsig, interactive);
1761             }
1762             break;
1763
1764           case cmdDEBUG:
1765             dump_kbnode( cur_keyblock );
1766             break;
1767
1768           case cmdTOGGLE:
1769             toggle = !toggle;
1770             cur_keyblock = toggle? sec_keyblock : keyblock;
1771             redisplay = 1;
1772             break;
1773
1774           case cmdADDPHOTO:
1775             if (RFC2440 || RFC1991 || PGP2)
1776               {
1777                 tty_printf(
1778                    _("This command is not allowed while in %s mode.\n"),
1779                    RFC2440?"OpenPGP":PGP2?"PGP2":"RFC-1991");
1780                 break;
1781               }
1782             photo=1;
1783             /* fall through */
1784
1785           case cmdADDUID:
1786             if( menu_adduid( keyblock, sec_keyblock, photo ) )
1787               {
1788                 update_trust = 1;
1789                 redisplay = 1;
1790                 sec_modified = modified = 1;
1791                 merge_keys_and_selfsig( sec_keyblock );
1792                 merge_keys_and_selfsig( keyblock );
1793               }
1794             break;
1795
1796           case cmdDELUID: {
1797                 int n1;
1798
1799                 if( !(n1=count_selected_uids(keyblock)) )
1800                     tty_printf(_("You must select at least one user ID.\n"));
1801                 else if( real_uids_left(keyblock) < 1 )
1802                     tty_printf(_("You can't delete the last user ID!\n"));
1803                 else if( cpr_get_answer_is_yes("keyedit.remove.uid.okay",
1804                 n1 > 1? _("Really remove all selected user IDs? (y/N) ")
1805                             : _("Really remove this user ID? (y/N) ")
1806                        ) ) {
1807                     menu_deluid( keyblock, sec_keyblock );
1808                     redisplay = 1;
1809                     modified = 1;
1810                     if( sec_keyblock )
1811                        sec_modified = 1;
1812                 }
1813             }
1814             break;
1815
1816           case cmdDELSIG: {
1817                 int n1;
1818
1819                 if( !(n1=count_selected_uids(keyblock)) )
1820                     tty_printf(_("You must select at least one user ID.\n"));
1821                 else if( menu_delsig( keyblock ) ) {
1822                     /* no redisplay here, because it may scroll away some
1823                      * status output of delsig */
1824                     modified = 1;
1825                 }
1826             }
1827             break;
1828
1829           case cmdADDKEY:
1830             if( generate_subkeypair( keyblock, sec_keyblock ) ) {
1831                 redisplay = 1;
1832                 sec_modified = modified = 1;
1833                 merge_keys_and_selfsig( sec_keyblock );
1834                 merge_keys_and_selfsig( keyblock );
1835             }
1836             break;
1837
1838 #ifdef ENABLE_CARD_SUPPORT
1839           case cmdADDCARDKEY:
1840             if (card_generate_subkey (keyblock, sec_keyblock)) {
1841                 redisplay = 1;
1842                 sec_modified = modified = 1;
1843                 merge_keys_and_selfsig( sec_keyblock );
1844                 merge_keys_and_selfsig( keyblock );
1845             }
1846             break;
1847
1848         case cmdKEYTOCARD:
1849           {
1850             KBNODE node=NULL;
1851             switch ( count_selected_keys (sec_keyblock) )
1852               {
1853               case 0:
1854                 if (cpr_get_answer_is_yes("keyedit.keytocard.use_primary",
1855                                      _("Really move the primary key? (y/N) ")))
1856                   node = sec_keyblock;
1857                 break;
1858               case 1:
1859                 for (node = sec_keyblock; node; node = node->next )
1860                   {
1861                     if (node->pkt->pkttype == PKT_SECRET_SUBKEY 
1862                         && node->flag & NODFLG_SELKEY)
1863                       break;
1864                   }
1865                 break;
1866               default:
1867                 tty_printf(_("You must select exactly one key.\n"));
1868                 break;
1869               }
1870             if (node)
1871               {
1872                 PKT_public_key *xxpk = find_pk_from_sknode (keyblock, node);
1873                 if (card_store_subkey (node, xxpk?xxpk->pubkey_usage:0))
1874                   {
1875                     redisplay = 1;
1876                     sec_modified = 1;
1877                   }
1878               }
1879           }
1880           break;
1881
1882         case cmdBKUPTOCARD:
1883           {
1884             /* Ask for a filename, check whether this is really a
1885                backup key as generated by the card generation, parse
1886                that key and store it on card. */
1887             KBNODE node;
1888             const char *fname;
1889             PACKET *pkt;
1890             IOBUF a;
1891
1892             fname = arg_string;
1893             if (!*fname)
1894               {
1895                 tty_printf (_("Command expects a filename argument\n"));
1896                 break;
1897               }
1898
1899             /* Open that file.  */
1900             a = iobuf_open (fname);
1901             if (a && is_secured_file (iobuf_get_fd (a)))
1902               {
1903                 iobuf_close (a);
1904                 a = NULL;
1905                 errno = EPERM;
1906               }
1907             if (!a)
1908               {
1909                 tty_printf (_("Can't open `%s': %s\n"),
1910                             fname, strerror(errno));
1911                 break;
1912               }
1913             
1914             /* Parse and check that file.  */
1915             pkt = xmalloc (sizeof *pkt);
1916             init_packet (pkt);
1917             rc = parse_packet (a, pkt);
1918             iobuf_close (a);
1919             iobuf_ioctl (NULL, 2, 0, (char*)fname); /* (invalidate cache).  */
1920             if (!rc 
1921                 && pkt->pkttype != PKT_SECRET_KEY 
1922                 && pkt->pkttype != PKT_SECRET_SUBKEY)
1923               rc = G10ERR_NO_SECKEY;
1924             if (rc)
1925               {
1926                 tty_printf(_("Error reading backup key from `%s': %s\n"),
1927                            fname, g10_errstr (rc));
1928                 free_packet (pkt);
1929                 xfree (pkt);
1930                 break;
1931               }
1932             node = new_kbnode (pkt);
1933
1934             /* Store it.  */
1935             if (card_store_subkey (node, 0))
1936               {
1937                 redisplay = 1;
1938                 sec_modified = 1;
1939               }
1940             release_kbnode (node);
1941           }
1942           break;
1943
1944 #endif /* ENABLE_CARD_SUPPORT */
1945
1946           case cmdDELKEY: {
1947                 int n1;
1948
1949                 if( !(n1=count_selected_keys( keyblock )) )
1950                     tty_printf(_("You must select at least one key.\n"));
1951                 else if( !cpr_get_answer_is_yes( "keyedit.remove.subkey.okay",
1952                        n1 > 1?
1953                    _("Do you really want to delete the selected keys? (y/N) "):
1954                         _("Do you really want to delete this key? (y/N) ")
1955                        ))
1956                     ;
1957                 else {
1958                     menu_delkey( keyblock, sec_keyblock );
1959                     redisplay = 1;
1960                     modified = 1;
1961                     if( sec_keyblock )
1962                        sec_modified = 1;
1963                 }
1964             }
1965             break;
1966
1967           case cmdADDREVOKER:
1968             {
1969               int sensitive=0;
1970
1971               if(ascii_strcasecmp(arg_string,"sensitive")==0)
1972                 sensitive=1;
1973               if( menu_addrevoker( keyblock, sec_keyblock, sensitive ) ) {
1974                 redisplay = 1;
1975                 sec_modified = modified = 1;
1976                 merge_keys_and_selfsig( sec_keyblock );
1977                 merge_keys_and_selfsig( keyblock );
1978               }
1979             }
1980             break;
1981
1982           case cmdREVUID: {
1983                 int n1;
1984
1985                 if( !(n1=count_selected_uids(keyblock)) )
1986                     tty_printf(_("You must select at least one user ID.\n"));
1987                 else if( cpr_get_answer_is_yes(
1988                             "keyedit.revoke.uid.okay",
1989                        n1 > 1? _("Really revoke all selected user IDs? (y/N) ")
1990                              : _("Really revoke this user ID? (y/N) ")
1991                        ) ) {
1992                   if(menu_revuid(keyblock,sec_keyblock))
1993                     {
1994                       modified=1;
1995                       redisplay=1;
1996                     }
1997                 }
1998             }
1999             break;
2000
2001           case cmdREVKEY:
2002             {
2003               int n1;
2004
2005               if( !(n1=count_selected_keys( keyblock )) )
2006                 {
2007                   if(cpr_get_answer_is_yes("keyedit.revoke.subkey.okay",
2008                                            _("Do you really want to revoke"
2009                                              " the entire key? (y/N) ")))
2010                     {
2011                       if(menu_revkey(keyblock,sec_keyblock))
2012                         modified=1;
2013
2014                       redisplay=1;
2015                     }
2016                 }
2017               else if(cpr_get_answer_is_yes("keyedit.revoke.subkey.okay",
2018                                             n1 > 1?
2019                                             _("Do you really want to revoke"
2020                                               " the selected subkeys? (y/N) "):
2021                                             _("Do you really want to revoke"
2022                                               " this subkey? (y/N) ")))
2023                 {
2024                   if( menu_revsubkey( keyblock, sec_keyblock ) )
2025                     modified = 1;
2026
2027                   redisplay = 1;
2028                 }
2029
2030               if(modified)
2031                 merge_keys_and_selfsig( keyblock );
2032             }
2033             break;
2034
2035           case cmdEXPIRE:
2036             if( menu_expire( keyblock, sec_keyblock ) )
2037               {
2038                 merge_keys_and_selfsig( sec_keyblock );
2039                 merge_keys_and_selfsig( keyblock );
2040                 sec_modified = 1;
2041                 modified = 1;
2042                 redisplay = 1;
2043               }
2044             break;
2045
2046           case cmdPRIMARY:
2047             if( menu_set_primary_uid ( keyblock, sec_keyblock ) ) {
2048                 merge_keys_and_selfsig( keyblock );
2049                 modified = 1;
2050                 redisplay = 1;
2051             }
2052             break;
2053
2054           case cmdPASSWD:
2055             if( change_passphrase( sec_keyblock ) )
2056                 sec_modified = 1;
2057             break;
2058
2059           case cmdTRUST:
2060             if(opt.trust_model==TM_EXTERNAL)
2061               {
2062                 tty_printf(_("Owner trust may not be set while "
2063                              "using an user provided trust database\n"));
2064                 break;
2065               }
2066
2067             show_key_with_all_names( keyblock, 0, 0, 0, 1, 0 );
2068             tty_printf("\n");
2069             if( edit_ownertrust( find_kbnode( keyblock,
2070                                  PKT_PUBLIC_KEY )->pkt->pkt.public_key, 1 ) ) {
2071                 redisplay = 1;
2072                 /* No real need to set update_trust here as
2073                    edit_ownertrust() calls revalidation_mark()
2074                    anyway. */
2075                 update_trust=1;
2076             }
2077             break;
2078
2079           case cmdPREF:
2080             show_key_with_all_names( keyblock, 0, 0, 0, 0, 1 );
2081             break;
2082
2083           case cmdSHOWPREF:
2084             show_key_with_all_names( keyblock, 0, 0, 0, 0, 2 );
2085             break;
2086
2087           case cmdSETPREF:
2088             {
2089               PKT_user_id *tempuid;
2090
2091               keygen_set_std_prefs(!*arg_string?"default" : arg_string, 0);
2092
2093               tempuid=keygen_get_std_prefs();
2094               tty_printf(_("Set preference list to:\n"));
2095               show_prefs(tempuid,NULL,1);
2096               free_user_id(tempuid);
2097
2098               if(cpr_get_answer_is_yes("keyedit.setpref.okay",
2099                                        count_selected_uids (keyblock)?
2100                                        _("Really update the preferences"
2101                                          " for the selected user IDs? (y/N) "):
2102                                        _("Really update the preferences? (y/N) ")))
2103                 {
2104                   if ( menu_set_preferences (keyblock, sec_keyblock) )
2105                     {
2106                       merge_keys_and_selfsig (keyblock);
2107                       modified = 1;
2108                       redisplay = 1;
2109                     }
2110                 }
2111             }
2112             break;
2113
2114           case cmdPREFKS:
2115             if( menu_set_keyserver_url ( *arg_string?arg_string:NULL,
2116                                          keyblock, sec_keyblock ) )
2117               {
2118                 merge_keys_and_selfsig( keyblock );
2119                 modified = 1;
2120                 redisplay = 1;
2121               }
2122             break;
2123
2124           case cmdNOP:
2125             break;
2126
2127           case cmdREVSIG:
2128             if( menu_revsig( keyblock ) ) {
2129                 redisplay = 1;
2130                 modified = 1;
2131             }
2132             break;
2133
2134           case cmdENABLEKEY:
2135           case cmdDISABLEKEY:
2136             if( enable_disable_key( keyblock, cmd == cmdDISABLEKEY ) ) {
2137                 redisplay = 1;
2138                 modified = 1;
2139             }
2140             break;
2141
2142           case cmdSHOWPHOTO:
2143             menu_showphoto(keyblock);
2144             break;
2145
2146           case cmdCLEAN:
2147             {
2148               if(*arg_string)
2149                 {
2150                   if(ascii_strcasecmp(arg_string,"sigs")==0
2151                      || ascii_strcasecmp(arg_string,"signatures")==0
2152                      || ascii_strcasecmp(arg_string,"certs")==0
2153                      || ascii_strcasecmp(arg_string,"certificates")==0)
2154                     modified=menu_clean_sigs_from_uids(keyblock);
2155                   else if(ascii_strcasecmp(arg_string,"uids")==0)
2156                     redisplay=modified=menu_clean_uids_from_key(keyblock);
2157                   else
2158                     tty_printf("Unable to clean `%s'\n",arg_string);
2159                 }
2160               else
2161                 {
2162                   modified=menu_clean_sigs_from_uids(keyblock);
2163                   modified+=menu_clean_uids_from_key(keyblock);
2164                   redisplay=modified;
2165                 }
2166             }
2167             break;
2168
2169           case cmdQUIT:
2170             if( have_commands )
2171                 goto leave;
2172             if( !modified && !sec_modified )
2173                 goto leave;
2174             if( !cpr_get_answer_is_yes("keyedit.save.okay",
2175                                         _("Save changes? (y/N) ")) ) {
2176                 if( cpr_enabled()
2177                     || cpr_get_answer_is_yes("keyedit.cancel.okay",
2178                                              _("Quit without saving? (y/N) ")))
2179                     goto leave;
2180                 break;
2181             }
2182             /* fall thru */
2183           case cmdSAVE:
2184             if( modified || sec_modified  ) {
2185                 if( modified ) {
2186                     rc = keydb_update_keyblock (kdbhd, keyblock);
2187                     if( rc ) {
2188                         log_error(_("update failed: %s\n"), g10_errstr(rc) );
2189                         break;
2190                     }
2191                 }
2192                 if( sec_modified ) {
2193                     rc = keydb_update_keyblock (sec_kdbhd, sec_keyblock );
2194                     if( rc ) {
2195                         log_error( _("update secret failed: %s\n"),
2196                                    g10_errstr(rc) );
2197                         break;
2198                     }
2199                 }
2200             }
2201             else
2202                 tty_printf(_("Key not changed so no update needed.\n"));
2203
2204             if( update_trust )
2205               {
2206                 revalidation_mark ();
2207                 update_trust=0;
2208               }
2209             goto leave;
2210
2211           case cmdINVCMD:
2212           default:
2213             tty_printf("\n");
2214             tty_printf(_("Invalid command  (try \"help\")\n"));
2215             break;
2216         }
2217     } /* end main loop */
2218
2219   leave:
2220     release_kbnode( keyblock );
2221     release_kbnode( sec_keyblock );
2222     keydb_release (kdbhd);
2223     m_free(answer);
2224 }
2225
2226
2227 \f
2228 /****************
2229  * show preferences of a public keyblock.
2230  */
2231 static void
2232 show_prefs (PKT_user_id *uid, PKT_signature *selfsig, int verbose)
2233 {
2234     const prefitem_t fake={0,0};
2235     const prefitem_t *prefs;
2236     int i;
2237
2238     if( !uid )
2239         return;
2240
2241     if( uid->prefs )
2242         prefs=uid->prefs;
2243     else if(verbose)
2244         prefs=&fake;
2245     else
2246       return;
2247
2248     if (verbose) {
2249         int any, des_seen=0, sha1_seen=0, uncomp_seen=0;
2250
2251         tty_printf ("     ");
2252         tty_printf (_("Cipher: "));
2253         for(i=any=0; prefs[i].type; i++ ) {
2254             if( prefs[i].type == PREFTYPE_SYM ) {
2255                 const char *s = cipher_algo_to_string (prefs[i].value);
2256                 
2257                 if (any)
2258                     tty_printf (", ");
2259                 any = 1;
2260                 /* We don't want to display strings for experimental algos */
2261                 if (s && prefs[i].value < 100 )
2262                     tty_printf ("%s", s );
2263                 else
2264                     tty_printf ("[%d]", prefs[i].value);
2265                 if (prefs[i].value == CIPHER_ALGO_3DES )
2266                     des_seen = 1;
2267             }    
2268         }
2269         if (!des_seen) {
2270             if (any)
2271                 tty_printf (", ");
2272             tty_printf ("%s",cipher_algo_to_string(CIPHER_ALGO_3DES));
2273         }
2274         tty_printf ("\n     ");
2275         tty_printf (_("Digest: "));
2276         for(i=any=0; prefs[i].type; i++ ) {
2277             if( prefs[i].type == PREFTYPE_HASH ) {
2278                 const char *s = digest_algo_to_string (prefs[i].value);
2279                 
2280                 if (any)
2281                     tty_printf (", ");
2282                 any = 1;
2283                 /* We don't want to display strings for experimental algos */
2284                 if (s && prefs[i].value < 100 )
2285                     tty_printf ("%s", s );
2286                 else
2287                     tty_printf ("[%d]", prefs[i].value);
2288                 if (prefs[i].value == DIGEST_ALGO_SHA1 )
2289                     sha1_seen = 1;
2290             }
2291         }
2292         if (!sha1_seen) {
2293             if (any)
2294                 tty_printf (", ");
2295             tty_printf ("%s",digest_algo_to_string(DIGEST_ALGO_SHA1));
2296         }
2297         tty_printf ("\n     ");
2298         tty_printf (_("Compression: "));
2299         for(i=any=0; prefs[i].type; i++ ) {
2300             if( prefs[i].type == PREFTYPE_ZIP ) {
2301                 const char *s=compress_algo_to_string(prefs[i].value);
2302                 
2303                 if (any)
2304                     tty_printf (", ");
2305                 any = 1;
2306                 /* We don't want to display strings for experimental algos */
2307                 if (s && prefs[i].value < 100 )
2308                     tty_printf ("%s", s );
2309                 else
2310                     tty_printf ("[%d]", prefs[i].value);
2311                 if (prefs[i].value == COMPRESS_ALGO_NONE )
2312                     uncomp_seen = 1;
2313             }
2314         }
2315         if (!uncomp_seen) {
2316             if (any)
2317                 tty_printf (", ");
2318             else {
2319               tty_printf ("%s",compress_algo_to_string(COMPRESS_ALGO_ZIP));
2320               tty_printf (", ");
2321             }
2322             tty_printf ("%s",compress_algo_to_string(COMPRESS_ALGO_NONE));
2323         }
2324         if(uid->mdc_feature || !uid->ks_modify)
2325           {
2326             tty_printf ("\n     ");
2327             tty_printf (_("Features: "));
2328             any=0;
2329             if(uid->mdc_feature)
2330               {
2331                 tty_printf ("MDC");
2332                 any=1;
2333               }
2334             if(!uid->ks_modify)
2335               {
2336                 if(any)
2337                   tty_printf (", ");
2338                 tty_printf (_("Keyserver no-modify"));
2339               }
2340           }
2341         tty_printf("\n");
2342
2343         if(selfsig)
2344           {
2345             const byte *pref_ks;
2346             size_t pref_ks_len;
2347
2348             pref_ks=parse_sig_subpkt(selfsig->hashed,
2349                                      SIGSUBPKT_PREF_KS,&pref_ks_len);
2350             if(pref_ks && pref_ks_len)
2351               {
2352                 tty_printf ("     ");
2353                 tty_printf(_("Preferred keyserver: "));
2354                 tty_print_utf8_string(pref_ks,pref_ks_len);
2355                 tty_printf("\n");
2356               }
2357           }
2358     }
2359     else {
2360         tty_printf("    ");
2361         for(i=0; prefs[i].type; i++ ) {
2362             tty_printf( " %c%d", prefs[i].type == PREFTYPE_SYM   ? 'S' :
2363                                  prefs[i].type == PREFTYPE_HASH  ? 'H' :
2364                                  prefs[i].type == PREFTYPE_ZIP ? 'Z':'?',
2365                                  prefs[i].value);
2366         }
2367         if (uid->mdc_feature)
2368             tty_printf (" [mdc]");
2369         if (!uid->ks_modify)
2370             tty_printf (" [no-ks-modify]");
2371         tty_printf("\n");
2372     }
2373 }
2374
2375
2376 /* This is the version of show_key_with_all_names used when
2377    opt.with_colons is used.  It prints all available data in a easy to
2378    parse format and does not translate utf8 */
2379 static void
2380 show_key_with_all_names_colon (KBNODE keyblock)
2381 {
2382   KBNODE node;
2383   int i, j, ulti_hack=0;
2384   byte pk_version=0;
2385   PKT_public_key *primary=NULL;
2386
2387   /* the keys */
2388   for ( node = keyblock; node; node = node->next )
2389     {
2390       if (node->pkt->pkttype == PKT_PUBLIC_KEY
2391           || (node->pkt->pkttype == PKT_PUBLIC_SUBKEY) )
2392         {
2393           PKT_public_key *pk = node->pkt->pkt.public_key;
2394           u32 keyid[2];
2395
2396           if (node->pkt->pkttype == PKT_PUBLIC_KEY)
2397             {
2398               pk_version = pk->version;
2399               primary=pk;
2400             }
2401
2402           keyid_from_pk (pk, keyid);
2403
2404           fputs (node->pkt->pkttype == PKT_PUBLIC_KEY?"pub:":"sub:", stdout);
2405           if (!pk->is_valid)
2406             putchar ('i');
2407           else if (pk->is_revoked)
2408             putchar ('r');
2409           else if (pk->has_expired)
2410             putchar ('e');
2411           else if (!(opt.fast_list_mode || opt.no_expensive_trust_checks ))
2412             {
2413               int trust = get_validity_info (pk, NULL);
2414               if(trust=='u')
2415                 ulti_hack=1;
2416               putchar (trust);
2417             }
2418
2419           printf (":%u:%d:%08lX%08lX:%lu:%lu::",
2420                   nbits_from_pk (pk),
2421                   pk->pubkey_algo,
2422                   (ulong)keyid[0], (ulong)keyid[1],
2423                   (ulong)pk->timestamp,
2424                   (ulong)pk->expiredate );
2425           if (node->pkt->pkttype==PKT_PUBLIC_KEY
2426               && !(opt.fast_list_mode || opt.no_expensive_trust_checks ))
2427             putchar(get_ownertrust_info (pk));
2428           putchar(':');
2429           putchar('\n');
2430           
2431           print_fingerprint (pk, NULL, 0);
2432
2433           /* print the revoker record */
2434           if( !pk->revkey && pk->numrevkeys )
2435             BUG();
2436           else
2437             {
2438               for (i=0; i < pk->numrevkeys; i++)
2439                 {
2440                   byte *p;
2441
2442                   printf ("rvk:::%d::::::", pk->revkey[i].algid);
2443                   p = pk->revkey[i].fpr;
2444                   for (j=0; j < 20; j++, p++ )
2445                     printf ("%02X", *p);
2446                   printf (":%02x%s:\n", pk->revkey[i].class,
2447                           (pk->revkey[i].class&0x40)?"s":"");
2448                 }
2449             }
2450         }
2451     }
2452   
2453     /* the user ids */
2454     i = 0;
2455     for (node = keyblock; node; node = node->next) 
2456       {
2457         if ( node->pkt->pkttype == PKT_USER_ID )
2458           {
2459             PKT_user_id *uid = node->pkt->pkt.user_id;
2460
2461             ++i;
2462
2463             if(uid->attrib_data)
2464               printf("uat:");
2465             else
2466               printf("uid:");
2467
2468             if ( uid->is_revoked )
2469               printf("r::::::::");
2470             else if ( uid->is_expired )
2471               printf("e::::::::");
2472             else if ( opt.fast_list_mode || opt.no_expensive_trust_checks )
2473               printf("::::::::");
2474             else
2475               {
2476                 int uid_validity;
2477
2478                 if( primary && !ulti_hack )
2479                   uid_validity = get_validity_info( primary, uid );
2480                 else
2481                   uid_validity = 'u';
2482                 printf("%c::::::::",uid_validity);
2483               }
2484
2485             if(uid->attrib_data)
2486               printf ("%u %lu",uid->numattribs,uid->attrib_len);
2487             else
2488               print_string (stdout, uid->name, uid->len, ':');
2489
2490             putchar (':');
2491             /* signature class */
2492             putchar (':');
2493             /* capabilities */
2494             putchar (':');
2495             /* preferences */
2496             if (pk_version>3 || uid->selfsigversion>3)
2497               {
2498                 const prefitem_t *prefs = uid->prefs;
2499                 
2500                 for (j=0; prefs && prefs[j].type; j++)
2501                   {
2502                     if (j)
2503                       putchar (' ');
2504                     printf ("%c%d", prefs[j].type == PREFTYPE_SYM   ? 'S' :
2505                             prefs[j].type == PREFTYPE_HASH  ? 'H' :
2506                             prefs[j].type == PREFTYPE_ZIP ? 'Z':'?',
2507                             prefs[j].value);
2508                   } 
2509                 if (uid->mdc_feature)
2510                   printf (",mdc");
2511                 if (!uid->ks_modify)
2512                   printf (",no-ks-modify");
2513               } 
2514             putchar (':');
2515             /* flags */
2516             printf ("%d,", i);
2517             if (uid->is_primary)
2518               putchar ('p');
2519             if (uid->is_revoked)
2520               putchar ('r');
2521             if (uid->is_expired)
2522               putchar ('e');
2523             if ((node->flag & NODFLG_SELUID))
2524               putchar ('s');
2525             if ((node->flag & NODFLG_MARK_A))
2526               putchar ('m');
2527             putchar (':');
2528             putchar('\n');
2529           }
2530       }
2531 }
2532
2533
2534 /****************
2535  * Display the key a the user ids, if only_marked is true, do only
2536  * so for user ids with mark A flag set and dont display the index number
2537  */
2538 static void
2539 show_key_with_all_names( KBNODE keyblock, int only_marked, int with_revoker,
2540                          int with_fpr, int with_subkeys, int with_prefs )
2541 {
2542     KBNODE node;
2543     int i;
2544     int do_warn = 0;
2545     byte pk_version=0;
2546     PKT_public_key *primary=NULL;
2547
2548     if (opt.with_colons)
2549       {
2550         show_key_with_all_names_colon (keyblock);
2551         return;
2552       }
2553
2554     /* the keys */
2555     for( node = keyblock; node; node = node->next ) {
2556         if( node->pkt->pkttype == PKT_PUBLIC_KEY
2557             || (with_subkeys && node->pkt->pkttype == PKT_PUBLIC_SUBKEY
2558                 && !is_deleted_kbnode(node)) ) {
2559             PKT_public_key *pk = node->pkt->pkt.public_key;
2560             const char *otrust="err",*trust="err";
2561
2562             if( node->pkt->pkttype == PKT_PUBLIC_KEY ) {
2563                 /* do it here, so that debug messages don't clutter the
2564                  * output */
2565                 static int did_warn = 0;
2566
2567                 trust = get_validity_string (pk, NULL);
2568                 otrust = get_ownertrust_string (pk);
2569
2570                 /* Show a warning once */
2571                 if (!did_warn
2572                     && (get_validity (pk, NULL) & TRUST_FLAG_PENDING_CHECK)) {
2573                     did_warn = 1;
2574                     do_warn = 1;
2575                 }
2576
2577                 pk_version=pk->version;
2578                 primary=pk;
2579             }
2580
2581             if(pk->is_revoked)
2582               {
2583                 char *user=get_user_id_string_native(pk->revoked.keyid);
2584                 const char *algo=pubkey_algo_to_string(pk->revoked.algo);
2585                 tty_printf(_("This key was revoked on %s by %s key %s\n"),
2586                            revokestr_from_pk(pk),algo?algo:"?",user);
2587                 m_free(user);
2588               }
2589
2590             if(with_revoker)
2591               {
2592                 if( !pk->revkey && pk->numrevkeys )
2593                   BUG();
2594                 else
2595                   for(i=0;i<pk->numrevkeys;i++)
2596                     {
2597                       u32 r_keyid[2];
2598                       char *user;
2599                       const char *algo=
2600                         pubkey_algo_to_string(pk->revkey[i].algid);
2601
2602                       keyid_from_fingerprint(pk->revkey[i].fpr,
2603                                              MAX_FINGERPRINT_LEN,r_keyid);
2604
2605                       user=get_user_id_string_native(r_keyid);
2606                       tty_printf(_("This key may be revoked by %s key %s"),
2607                                  algo?algo:"?",user);
2608
2609                       if(pk->revkey[i].class&0x40)
2610                         {
2611                           tty_printf(" ");
2612                           tty_printf(_("(sensitive)"));
2613                         }
2614
2615                       tty_printf ("\n");
2616                       m_free(user);
2617                     }
2618               }
2619
2620             keyid_from_pk(pk,NULL);
2621             tty_printf("%s%c %4u%c/%s  ",
2622                        node->pkt->pkttype == PKT_PUBLIC_KEY? "pub":"sub",
2623                        (node->flag & NODFLG_SELKEY)? '*':' ',
2624                        nbits_from_pk( pk ),
2625                        pubkey_letter( pk->pubkey_algo ),
2626                        keystr(pk->keyid));
2627
2628             tty_printf(_("created: %s"),datestr_from_pk(pk));
2629             tty_printf("  ");
2630             if(pk->is_revoked)
2631               tty_printf(_("revoked: %s"),revokestr_from_pk(pk));
2632             else if(pk->has_expired)
2633               tty_printf(_("expired: %s"),expirestr_from_pk(pk));
2634             else
2635               tty_printf(_("expires: %s"),expirestr_from_pk(pk));
2636             tty_printf("  ");
2637             tty_printf(_("usage: %s"),usagestr_from_pk(pk));
2638             tty_printf("\n");
2639
2640             if( node->pkt->pkttype == PKT_PUBLIC_KEY )
2641               {
2642                 if(opt.trust_model!=TM_ALWAYS)
2643                   {
2644                     tty_printf("%*s", (int)keystrlen()+13,"");
2645                     /* Ownertrust is only meaningful for the PGP or
2646                        classic trust models */
2647                     if(opt.trust_model==TM_PGP || opt.trust_model==TM_CLASSIC)
2648                       {
2649                         int width=14-strlen(otrust);
2650                         if(width<=0)
2651                           width=1;
2652                         tty_printf(_("trust: %s"), otrust);
2653                         tty_printf("%*s",width,"");
2654                       }
2655                     
2656                     tty_printf(_("validity: %s"), trust );
2657                     tty_printf("\n");
2658                   }
2659                 if( node->pkt->pkttype == PKT_PUBLIC_KEY
2660                     && (get_ownertrust (pk)&TRUST_FLAG_DISABLED))
2661                   {
2662                     tty_printf("*** ");
2663                     tty_printf(_("This key has been disabled"));
2664                     tty_printf("\n");
2665                   }
2666               }
2667
2668             if( node->pkt->pkttype == PKT_PUBLIC_KEY && with_fpr )
2669               {
2670                 print_fingerprint ( pk, NULL, 2 );
2671                 tty_printf("\n");
2672               }
2673         }
2674         else if( node->pkt->pkttype == PKT_SECRET_KEY
2675             || (with_subkeys && node->pkt->pkttype == PKT_SECRET_SUBKEY) )
2676           {
2677             PKT_secret_key *sk = node->pkt->pkt.secret_key;
2678             tty_printf("%s%c %4u%c/%s  ",
2679                        node->pkt->pkttype == PKT_SECRET_KEY? "sec":"ssb",
2680                        (node->flag & NODFLG_SELKEY)? '*':' ',
2681                        nbits_from_sk( sk ),
2682                        pubkey_letter( sk->pubkey_algo ),
2683                        keystr_from_sk(sk));
2684             tty_printf(_("created: %s"),datestr_from_sk(sk));
2685             tty_printf("  ");
2686             tty_printf(_("expires: %s"),expirestr_from_sk(sk));
2687             tty_printf("\n");
2688             if (sk->is_protected && sk->protect.s2k.mode == 1002)
2689               {
2690                 tty_printf("                     ");
2691                 tty_printf(_("card-no: ")); 
2692                 if (sk->protect.ivlen == 16
2693                     && !memcmp (sk->protect.iv, "\xD2\x76\x00\x01\x24\x01", 6))
2694                   { /* This is an OpenPGP card. */
2695                     for (i=8; i < 14; i++)
2696                       {
2697                         if (i == 10)
2698                           tty_printf (" ");
2699                         tty_printf ("%02X", sk->protect.iv[i]);
2700                       }
2701                   }
2702                 else
2703                   { /* Something is wrong: Print all. */
2704                     for (i=0; i < sk->protect.ivlen; i++)
2705                       tty_printf ("%02X", sk->protect.iv[i]);
2706                   }
2707                 tty_printf ("\n");
2708               }
2709           }
2710     }
2711     
2712     /* the user ids */
2713
2714     i = 0;
2715     for( node = keyblock; node; node = node->next )
2716       {
2717         if( node->pkt->pkttype == PKT_USER_ID
2718             && !is_deleted_kbnode(node))
2719           {
2720             PKT_user_id *uid = node->pkt->pkt.user_id;
2721             ++i;
2722             if( !only_marked || (only_marked && (node->flag & NODFLG_MARK_A)))
2723               {
2724                 if(!only_marked && primary)
2725                   tty_printf("%s ",uid_trust_string_fixed(primary,uid));
2726
2727                 if( only_marked )
2728                   tty_printf("     ");
2729                 else if( node->flag & NODFLG_SELUID )
2730                   tty_printf("(%d)* ", i);
2731                 else if( uid->is_primary )
2732                   tty_printf("(%d). ", i);
2733                 else
2734                   tty_printf("(%d)  ", i);
2735                 tty_print_utf8_string( uid->name, uid->len );
2736                 tty_printf("\n");
2737                 if( with_prefs )
2738                   {
2739                     if(pk_version>3 || uid->selfsigversion>3)
2740                       {
2741                         PKT_signature *selfsig=NULL;
2742                         KBNODE signode;
2743
2744                         for(signode=node->next;
2745                             signode && signode->pkt->pkttype==PKT_SIGNATURE;
2746                             signode=signode->next)
2747                           {
2748                             if(signode->pkt->pkt.signature->
2749                                flags.chosen_selfsig)
2750                               {
2751                                 selfsig=signode->pkt->pkt.signature;
2752                                 break;
2753                               }
2754                           }
2755
2756                         show_prefs (uid, selfsig, with_prefs == 2);
2757                       }
2758                     else
2759                       tty_printf(_("There are no preferences on a"
2760                                    " PGP 2.x-style user ID.\n"));
2761                   }
2762               }
2763           }
2764       }
2765
2766     if (do_warn)
2767         tty_printf (_("Please note that the shown key validity"
2768                       " is not necessarily correct\n"
2769                       "unless you restart the program.\n")); 
2770 }
2771
2772
2773 /* Display basic key information.  This fucntion is suitable to show
2774    information on the key without any dependencies on the trustdb or
2775    any other internal GnuPG stuff.  KEYBLOCK may either be a public or
2776    a secret key.*/
2777 void
2778 show_basic_key_info ( KBNODE keyblock )
2779 {
2780   KBNODE node;
2781   int i;
2782
2783   /* The primary key */
2784   for (node = keyblock; node; node = node->next)
2785     {
2786       if (node->pkt->pkttype == PKT_PUBLIC_KEY)
2787         {
2788           PKT_public_key *pk = node->pkt->pkt.public_key;
2789           
2790           /* Note, we use the same format string as in other show
2791              functions to make the translation job easier. */
2792           tty_printf ("%s  %4u%c/%s  ",
2793                       node->pkt->pkttype == PKT_PUBLIC_KEY? "pub":"sub",
2794                       nbits_from_pk( pk ),
2795                       pubkey_letter( pk->pubkey_algo ),
2796                       keystr_from_pk(pk));
2797           tty_printf(_("created: %s"),datestr_from_pk(pk));
2798           tty_printf("  ");
2799           tty_printf(_("expires: %s"),expirestr_from_pk(pk));
2800           tty_printf("\n");
2801           print_fingerprint ( pk, NULL, 3 );
2802           tty_printf("\n");
2803         }
2804       else if (node->pkt->pkttype == PKT_SECRET_KEY)
2805         {
2806           PKT_secret_key *sk = node->pkt->pkt.secret_key;
2807           tty_printf("%s  %4u%c/%s",
2808                      node->pkt->pkttype == PKT_SECRET_KEY? "sec":"ssb",
2809                      nbits_from_sk( sk ),
2810                      pubkey_letter( sk->pubkey_algo ),
2811                      keystr_from_sk(sk));
2812           tty_printf(_("created: %s"),datestr_from_sk(sk));
2813           tty_printf("  ");
2814           tty_printf(_("expires: %s"),expirestr_from_sk(sk));
2815           tty_printf("\n");
2816           print_fingerprint (NULL, sk, 3 );
2817           tty_printf("\n");
2818         }
2819     }
2820
2821   /* The user IDs. */
2822   for (i=0, node = keyblock; node; node = node->next)
2823     {
2824       if (node->pkt->pkttype == PKT_USER_ID)
2825         {
2826           PKT_user_id *uid = node->pkt->pkt.user_id;
2827           ++i;
2828      
2829           tty_printf ("     ");
2830           if (uid->is_revoked)
2831             tty_printf("[%s] ",_("revoked"));
2832           else if ( uid->is_expired )
2833             tty_printf("[%s] ",_("expired"));
2834           tty_print_utf8_string (uid->name, uid->len);
2835           tty_printf ("\n");
2836         }
2837     }
2838 }
2839
2840 static void
2841 show_key_and_fingerprint( KBNODE keyblock )
2842 {
2843   KBNODE node;
2844   PKT_public_key *pk = NULL;
2845
2846   for( node = keyblock; node; node = node->next )
2847     {
2848       if( node->pkt->pkttype == PKT_PUBLIC_KEY )
2849         {
2850           pk = node->pkt->pkt.public_key;
2851           tty_printf("pub   %4u%c/%s %s ",
2852                      nbits_from_pk( pk ),
2853                      pubkey_letter( pk->pubkey_algo ),
2854                      keystr_from_pk(pk),
2855                      datestr_from_pk(pk) );
2856         }
2857       else if( node->pkt->pkttype == PKT_USER_ID )
2858         {
2859           PKT_user_id *uid = node->pkt->pkt.user_id;
2860           tty_print_utf8_string( uid->name, uid->len );
2861           break;
2862         }
2863     }
2864   tty_printf("\n");
2865   if( pk )
2866     print_fingerprint( pk, NULL, 2 );
2867 }
2868
2869
2870 /* Show a warning if no uids on the key have the primary uid flag
2871    set. */
2872 static void
2873 no_primary_warning(KBNODE keyblock)
2874 {
2875   KBNODE node;
2876   int have_primary=0,uid_count=0;
2877
2878   /* TODO: if we ever start behaving differently with a primary or
2879      non-primary attribute ID, we will need to check for attributes
2880      here as well. */
2881
2882   for(node=keyblock; node; node = node->next)
2883     {
2884       if(node->pkt->pkttype==PKT_USER_ID
2885          && node->pkt->pkt.user_id->attrib_data==NULL)
2886         {
2887           uid_count++;
2888
2889           if(node->pkt->pkt.user_id->is_primary==2)
2890             {
2891               have_primary=1;
2892               break;
2893             }
2894         }
2895     }
2896
2897   if(uid_count>1 && !have_primary)
2898     log_info(_("WARNING: no user ID has been marked as primary.  This command"
2899                " may\n              cause a different user ID to become"
2900                " the assumed primary.\n"));
2901 }
2902
2903 /****************
2904  * Ask for a new user id, do the selfsignature and put it into
2905  * both keyblocks.
2906  * Return true if there is a new user id
2907  */
2908 static int
2909 menu_adduid( KBNODE pub_keyblock, KBNODE sec_keyblock, int photo)
2910 {
2911     PKT_user_id *uid;
2912     PKT_public_key *pk=NULL;
2913     PKT_secret_key *sk=NULL;
2914     PKT_signature *sig=NULL;
2915     PACKET *pkt;
2916     KBNODE node;
2917     KBNODE pub_where=NULL, sec_where=NULL;
2918     int rc;
2919
2920     for( node = pub_keyblock; node; pub_where = node, node = node->next ) {
2921         if( node->pkt->pkttype == PKT_PUBLIC_KEY )
2922             pk = node->pkt->pkt.public_key;
2923         else if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY )
2924             break;
2925     }
2926     if( !node ) /* no subkey */
2927         pub_where = NULL;
2928     for( node = sec_keyblock; node; sec_where = node, node = node->next ) {
2929         if( node->pkt->pkttype == PKT_SECRET_KEY )
2930             sk = copy_secret_key( NULL, node->pkt->pkt.secret_key);
2931         else if( node->pkt->pkttype == PKT_SECRET_SUBKEY )
2932             break;
2933     }
2934     if( !node ) /* no subkey */
2935         sec_where = NULL;
2936     assert(pk && sk);
2937
2938     if(photo) {
2939       int hasattrib=0;
2940
2941       for( node = pub_keyblock; node; node = node->next )
2942         if( node->pkt->pkttype == PKT_USER_ID &&
2943             node->pkt->pkt.user_id->attrib_data!=NULL)
2944           {
2945             hasattrib=1;
2946             break;
2947           }
2948
2949       /* It is legal but bad for compatibility to add a photo ID to a
2950          v3 key as it means that PGP2 will not be able to use that key
2951          anymore.  Also, PGP may not expect a photo on a v3 key.
2952          Don't bother to ask this if the key already has a photo - any
2953          damage has already been done at that point. -dms */
2954       if(pk->version==3 && !hasattrib)
2955         {
2956           if(opt.expert)
2957             {
2958               tty_printf(_("WARNING: This is a PGP2-style key.  "
2959                            "Adding a photo ID may cause some versions\n"
2960                            "         of PGP to reject this key.\n"));
2961
2962               if(!cpr_get_answer_is_yes("keyedit.v3_photo.okay",
2963                                         _("Are you sure you still want "
2964                                           "to add it? (y/N) ")))
2965                 return 0;
2966             }
2967           else
2968             {
2969               tty_printf(_("You may not add a photo ID to "
2970                            "a PGP2-style key.\n"));
2971               return 0;
2972             }
2973         }
2974
2975       uid = generate_photo_id(pk);
2976     } else
2977       uid = generate_user_id();
2978     if( !uid )
2979         return 0;
2980
2981     rc = make_keysig_packet( &sig, pk, uid, NULL, sk, 0x13, 0, 0, 0, 0,
2982                              keygen_add_std_prefs, pk );
2983     free_secret_key( sk );
2984     if( rc ) {
2985         log_error("signing failed: %s\n", g10_errstr(rc) );
2986         free_user_id(uid);
2987         return 0;
2988     }
2989
2990     /* insert/append to secret keyblock */
2991     pkt = m_alloc_clear( sizeof *pkt );
2992     pkt->pkttype = PKT_USER_ID;
2993     pkt->pkt.user_id = scopy_user_id(uid);
2994     node = new_kbnode(pkt);
2995     if( sec_where )
2996         insert_kbnode( sec_where, node, 0 );
2997     else
2998         add_kbnode( sec_keyblock, node );
2999     pkt = m_alloc_clear( sizeof *pkt );
3000     pkt->pkttype = PKT_SIGNATURE;
3001     pkt->pkt.signature = copy_signature(NULL, sig);
3002     if( sec_where )
3003         insert_kbnode( node, new_kbnode(pkt), 0 );
3004     else
3005         add_kbnode( sec_keyblock, new_kbnode(pkt) );
3006     /* insert/append to public keyblock */
3007     pkt = m_alloc_clear( sizeof *pkt );
3008     pkt->pkttype = PKT_USER_ID;
3009     pkt->pkt.user_id = uid;
3010     node = new_kbnode(pkt);
3011     if( pub_where )
3012         insert_kbnode( pub_where, node, 0 );
3013     else
3014         add_kbnode( pub_keyblock, node );
3015     pkt = m_alloc_clear( sizeof *pkt );
3016     pkt->pkttype = PKT_SIGNATURE;
3017     pkt->pkt.signature = copy_signature(NULL, sig);
3018     if( pub_where )
3019         insert_kbnode( node, new_kbnode(pkt), 0 );
3020     else
3021         add_kbnode( pub_keyblock, new_kbnode(pkt) );
3022     return 1;
3023 }
3024
3025
3026 /****************
3027  * Remove all selected userids from the keyrings
3028  */
3029 static void
3030 menu_deluid( KBNODE pub_keyblock, KBNODE sec_keyblock )
3031 {
3032     KBNODE node;
3033     int selected=0;
3034
3035     for( node = pub_keyblock; node; node = node->next ) {
3036         if( node->pkt->pkttype == PKT_USER_ID ) {
3037             selected = node->flag & NODFLG_SELUID;
3038             if( selected ) {
3039                 /* Only cause a trust update if we delete a
3040                    non-revoked user id */
3041                 if(!node->pkt->pkt.user_id->is_revoked)
3042                   update_trust=1;
3043                 delete_kbnode( node );
3044                 if( sec_keyblock ) {
3045                     KBNODE snode;
3046                     int s_selected = 0;
3047                     PKT_user_id *uid = node->pkt->pkt.user_id;
3048                     for( snode = sec_keyblock; snode; snode = snode->next ) {
3049                         if( snode->pkt->pkttype == PKT_USER_ID ) {
3050                             PKT_user_id *suid = snode->pkt->pkt.user_id;
3051
3052                             s_selected =
3053                                 (uid->len == suid->len
3054                                  && !memcmp( uid->name, suid->name, uid->len));
3055                             if( s_selected )
3056                                 delete_kbnode( snode );
3057                         }
3058                         else if( s_selected
3059                                  && snode->pkt->pkttype == PKT_SIGNATURE )
3060                             delete_kbnode( snode );
3061                         else if( snode->pkt->pkttype == PKT_SECRET_SUBKEY )
3062                             s_selected = 0;
3063                     }
3064                 }
3065             }
3066         }
3067         else if( selected && node->pkt->pkttype == PKT_SIGNATURE )
3068             delete_kbnode( node );
3069         else if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY )
3070             selected = 0;
3071     }
3072     commit_kbnode( &pub_keyblock );
3073     if( sec_keyblock )
3074         commit_kbnode( &sec_keyblock );
3075 }
3076
3077
3078 static int
3079 menu_delsig( KBNODE pub_keyblock )
3080 {
3081     KBNODE node;
3082     PKT_user_id *uid = NULL;
3083     int changed=0;
3084
3085     for( node = pub_keyblock; node; node = node->next ) {
3086         if( node->pkt->pkttype == PKT_USER_ID ) {
3087             uid = (node->flag & NODFLG_SELUID)? node->pkt->pkt.user_id : NULL;
3088         }
3089         else if( uid && node->pkt->pkttype == PKT_SIGNATURE ) {
3090            int okay, valid, selfsig, inv_sig, no_key, other_err;
3091
3092             tty_printf("uid  ");
3093             tty_print_utf8_string( uid->name, uid->len );
3094             tty_printf("\n");
3095
3096             okay = inv_sig = no_key = other_err = 0;
3097             if(opt.with_colons)
3098               valid = print_and_check_one_sig_colon( pub_keyblock, node,
3099                                                &inv_sig, &no_key, &other_err,
3100                                                &selfsig, 1 );
3101             else
3102               valid = print_and_check_one_sig( pub_keyblock, node,
3103                                                &inv_sig, &no_key, &other_err,
3104                                                &selfsig, 1 );
3105
3106            if( valid ) {
3107                okay = cpr_get_answer_yes_no_quit(
3108                    "keyedit.delsig.valid",
3109                    _("Delete this good signature? (y/N/q)"));
3110
3111                /* Only update trust if we delete a good signature.
3112                   The other two cases do not affect trust. */
3113                if(okay)
3114                  update_trust=1;
3115            }
3116            else if( inv_sig || other_err )
3117                okay = cpr_get_answer_yes_no_quit(
3118                    "keyedit.delsig.invalid",
3119                    _("Delete this invalid signature? (y/N/q)"));
3120            else if( no_key )
3121                okay = cpr_get_answer_yes_no_quit(
3122                    "keyedit.delsig.unknown",
3123                    _("Delete this unknown signature? (y/N/q)"));
3124
3125             if( okay == -1 )
3126                 break;
3127            if( okay && selfsig && !cpr_get_answer_is_yes(
3128                                "keyedit.delsig.selfsig",
3129                               _("Really delete this self-signature? (y/N)") ))
3130                 okay = 0;
3131             if( okay ) {
3132                 delete_kbnode( node );
3133                 changed++;
3134             }
3135
3136         }
3137         else if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY )
3138             uid = NULL;
3139     }
3140
3141     if( changed ) {
3142         commit_kbnode( &pub_keyblock );
3143         tty_printf( changed == 1? _("Deleted %d signature.\n")
3144                                 : _("Deleted %d signatures.\n"), changed );
3145     }
3146     else
3147         tty_printf( _("Nothing deleted.\n") );
3148
3149     return changed;
3150 }
3151
3152 static int
3153 menu_clean_sigs_from_uids(KBNODE keyblock)
3154 {
3155   KBNODE uidnode;
3156   int modified=0;
3157   int select_all=!count_selected_uids(keyblock);
3158
3159   for(uidnode=keyblock->next;uidnode;uidnode=uidnode->next)
3160     {
3161       if(uidnode->pkt->pkttype==PKT_USER_ID
3162          && (uidnode->flag&NODFLG_SELUID || select_all))
3163         {
3164           int deleted;
3165           char *user=utf8_to_native(uidnode->pkt->pkt.user_id->name,
3166                                     uidnode->pkt->pkt.user_id->len,
3167                                     0);
3168           deleted=clean_sigs_from_uid(keyblock,uidnode,opt.verbose);
3169           if(deleted)
3170             {
3171               tty_printf(deleted==1?
3172                          "User ID \"%s\": %d signature removed.\n":
3173                          "User ID \"%s\": %d signatures removed.\n",
3174                          user,deleted);
3175               modified=1;
3176             }
3177           else
3178             tty_printf(_("User ID \"%s\": already clean.\n"),user);
3179
3180           m_free(user);
3181         }
3182     }
3183
3184   return modified;
3185 }
3186
3187 static int
3188 menu_clean_uids_from_key(KBNODE keyblock)
3189 {
3190   int modified=clean_uids_from_key(keyblock,0);
3191
3192   if(modified)
3193     {
3194       KBNODE node,uidnode=NULL;
3195
3196       for(node=keyblock->next;node;node=node->next)
3197         {
3198           if(node->pkt->pkttype==PKT_USER_ID)
3199             uidnode=node;
3200           else if(uidnode && node->pkt->pkttype==PKT_SIGNATURE
3201                   && is_deleted_kbnode(node))
3202             {
3203               const char *reason;
3204               char *user=utf8_to_native(uidnode->pkt->pkt.user_id->name,
3205                                         uidnode->pkt->pkt.user_id->len,0);
3206
3207               if(uidnode->pkt->pkt.user_id->is_revoked)
3208                 reason=_("revoked");
3209               else if(uidnode->pkt->pkt.user_id->is_expired)
3210                 reason=_("expired");
3211               else
3212                 reason=_("invalid");
3213
3214               tty_printf("User ID \"%s\" compacted: %s\n",user,reason);
3215
3216               uidnode=NULL;
3217
3218               m_free(user);
3219             }
3220         }
3221     }
3222   else
3223     tty_printf("No user IDs are compactable.\n");
3224
3225   return modified;
3226 }
3227
3228 /****************
3229  * Remove some of the secondary keys
3230  */
3231 static void
3232 menu_delkey( KBNODE pub_keyblock, KBNODE sec_keyblock )
3233 {
3234     KBNODE node;
3235     int selected=0;
3236
3237     for( node = pub_keyblock; node; node = node->next ) {
3238         if( node->pkt->pkttype == PKT_PUBLIC_SUBKEY ) {
3239             selected = node->flag & NODFLG_SELKEY;
3240             if( selected ) {
3241                 delete_kbnode( node );
3242                 if( sec_keyblock ) {
3243                     KBNODE snode;
3244                     int s_selected = 0;
3245                     u32 ki[2];
3246
3247                     keyid_from_pk( node->pkt->pkt.public_key, ki );
3248                     for( snode = sec_keyblock; snode; snode = snode->next ) {
3249                         if( snode->pkt->pkttype == PKT_SECRET_SUBKEY ) {
3250                             u32 ki2[2];
3251
3252                             keyid_from_sk( snode->pkt->pkt.secret_key, ki2 );
3253                             s_selected = (ki[0] == ki2[0] && ki[1] == ki2[1]);