keyindex.c

   1 /*
   2  * keyindex.c - Routines to list an OpenPGP key.
   3  *
   4  * Jonathan McDowell <noodles@earth.li>
   5  *
   6  * Copyright 2002 Project Purple
   7  *
   8  * $Id: keyindex.c,v 1.13 2003/10/11 21:52:18 noodles Exp $
   9  */
  10
  11 #include <assert.h>
  12 #include <inttypes.h>
  13 #include <stdbool.h>
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <string.h>
  17 #include <time.h>
  18
  19 #include "decodekey.h"
  20 #include "getcgi.h"
  21 #include "hash.h"
  22 #include "keydb.h"
  23 #include "keyid.h"
  24 #include "keyindex.h"
  25 #include "keystructs.h"
  26 #include "log.h"
  27
  28 int list_sigs(struct openpgp_packet_list *sigs, bool html)
  29 {
  30         char *uid = NULL;
  31         uint64_t sigid = 0;
  32
  33         while (sigs != NULL) {
  34                 sigid = sig_keyid(sigs->packet);
  35                 uid = keyid2uid(sigid);
  36                 if (html && uid != NULL) {
  37                         printf("sig         <a href=\"lookup?op=get&"
  38                                 "search=%08llX\">%08llX</a>             "
  39                                 "<a href=\"lookup?op=vindex&search=0x%08llX\">"
  40                                 "%s</a>\n",
  41                                 sigid & 0xFFFFFFFF,
  42                                 sigid & 0xFFFFFFFF,
  43                                 sigid & 0xFFFFFFFF,
  44                                 txt2html(uid));
  45                 } else if (html && uid == NULL) {
  46                         printf("sig         %08llX             "
  47                                 "[User id not found]\n",
  48                                 sigid & 0xFFFFFFFF);
  49                 } else {
  50                         printf("sig         %08llX"
  51                                 "             %s\n",
  52                                 sigid & 0xFFFFFFFF,
  53                                 (uid != NULL) ? uid :
  54                                 "[User id not found]");
  55                 }
  56                 if (uid != NULL) {
  57                         free(uid);
  58                         uid = NULL;
  59                 }
  60                 sigs = sigs->next;
  61         }
  62
  63         return 0;
  64 }
  65
  66 int list_uids(struct openpgp_signedpacket_list *uids, bool verbose, bool html)
  67 {
  68         char buf[1024];
  69
  70         while (uids != NULL) {
  71                 if (uids->packet->tag == 13) {
  72                         snprintf(buf, 1023, "%.*s",
  73                                 (int) uids->packet->length,
  74                                 uids->packet->data);
  75                         printf("uid                             %s\n",
  76                                 (html) ? txt2html(buf) : buf);
  77                 } else if (uids->packet->tag == 17) {
  78                         printf("uid                             "
  79                                 "[photo id]\n");
  80                 }
  81                 if (verbose) {
  82                         list_sigs(uids->sigs, html);
  83                 }
  84                 uids = uids->next;
  85         }
  86
  87         return 0;
  88 }
  89
  90 int list_subkeys(struct openpgp_signedpacket_list *subkeys, bool verbose,
  91                 bool html)
  92 {
  93         struct tm       *created = NULL;
  94         time_t          created_time = 0;
  95         int             type = 0;
  96         int             length = 0;
  97
  98         while (subkeys != NULL) {
  99                 if (subkeys->packet->tag == 14) {
 100
 101                         created_time = (subkeys->packet->data[1] << 24) +
 102                                         (subkeys->packet->data[2] << 16) +
 103                                         (subkeys->packet->data[3] << 8) +
 104                                         subkeys->packet->data[4];
 105                         created = gmtime(&created_time);
 106
 107                         switch (subkeys->packet->data[0]) {
 108                         case 2:
 109                         case 3:
 110                                 type = subkeys->packet->data[7];
 111                                 length = (subkeys->packet->data[8] << 8) +
 112                                         subkeys->packet->data[9];
 113                                 break;
 114                         case 4:
 115                                 type = subkeys->packet->data[5];
 116                                 length = (subkeys->packet->data[6] << 8) +
 117                                         subkeys->packet->data[7];
 118                                 break;
 119                         default:
 120                                 logthing(LOGTHING_ERROR,
 121                                         "Unknown key type: %d",
 122                                         subkeys->packet->data[0]);
 123                         }
 124
 125                         printf("sub  %5d%c/%08X %04d/%02d/%02d\n",
 126                                 length,
 127                                 (type == 1) ? 'R' : ((type == 16) ? 'g' :
 128                                         ((type == 17) ? 'D' : '?')),
 129                                 (uint32_t) (get_packetid(subkeys->packet) &
 130                                             0xFFFFFFFF),
 131                                 created->tm_year + 1900,
 132                                 created->tm_mon + 1,
 133                                 created->tm_mday);
 134
 135                 }
 136                 if (verbose) {
 137                         list_sigs(subkeys->sigs, html);
 138                 }
 139                 subkeys = subkeys->next;
 140         }
 141
 142         return 0;
 143 }
 144
 145 void display_fingerprint(struct openpgp_publickey *key)
 146 {
 147         int             i = 0;
 148         size_t          length = 0;
 149         unsigned char   fp[20];
 150
 151         get_fingerprint(key->publickey, fp, &length);
 152         printf("      Key fingerprint =");
 153         for (i = 0; i < length; i++) {
 154                 if ((length == 16) ||
 155                         (i % 2 == 0)) {
 156                         printf(" ");
 157                 }
 158                 printf("%02X", fp[i]);
 159                 if ((i * 2) == length) {
 160                         printf(" ");
 161                 }
 162         }
 163         printf("\n");
 164
 165         return;
 166 }
 167
 168 /**
 169  *      key_index - List a set of OpenPGP keys.
 170  *      @keys: The keys to display.
 171  *      @verbose: Should we list sigs as well?
 172  *      @fingerprint: List the fingerprint?
 173  *      @html: Should the output be tailored for HTML?
 174  *
 175  *      This function takes a list of OpenPGP public keys and displays an index
 176  *      of them. Useful for debugging or the keyserver Index function.
 177  */
 178 int key_index(struct openpgp_publickey *keys, bool verbose, bool fingerprint,
 179                         bool html)
 180 {
 181         struct openpgp_signedpacket_list        *curuid = NULL;
 182         struct tm                               *created = NULL;
 183         time_t                                   created_time = 0;
 184         int                                      type = 0;
 185         int                                      length = 0;
 186         char                                     buf[1024];
 187
 188         if (html) {
 189                 puts("<pre>");
 190         }
 191         puts("Type   bits/keyID    Date       User ID");
 192         while (keys != NULL) {
 193                 created_time = (keys->publickey->data[1] << 24) +
 194                                         (keys->publickey->data[2] << 16) +
 195                                         (keys->publickey->data[3] << 8) +
 196                                         keys->publickey->data[4];
 197                 created = gmtime(&created_time);
 198
 199                 switch (keys->publickey->data[0]) {
 200                 case 2:
 201                 case 3:
 202                         type = keys->publickey->data[7];
 203                         length = (keys->publickey->data[8] << 8) +
 204                                         keys->publickey->data[9];
 205                         break;
 206                 case 4:
 207                         type = keys->publickey->data[5];
 208                         length = (keys->publickey->data[6] << 8) +
 209                                         keys->publickey->data[7];
 210                         break;
 211                 default:
 212                         logthing(LOGTHING_ERROR, "Unknown key type: %d",
 213                                 keys->publickey->data[0]);
 214                 }
 215
 216                 printf("pub  %5d%c/%08X %04d/%02d/%02d ",
 217                         length,
 218                         (type == 1) ? 'R' : ((type == 16) ? 'g' :
 219                                 ((type == 17) ? 'D' : '?')),
 220                         (uint32_t) (get_keyid(keys) & 0xFFFFFFFF),
 221                         created->tm_year + 1900,
 222                         created->tm_mon + 1,
 223                         created->tm_mday);
 224
 225                 curuid = keys->uids;
 226                 if (curuid != NULL && curuid->packet->tag == 13) {
 227                         snprintf(buf, 1023, "%.*s",
 228                                 (int) curuid->packet->length,
 229                                 curuid->packet->data);
 230                         printf("%s%s\n",
 231                                 (html) ? txt2html(buf) : buf,
 232                                 (keys->revocations == NULL) ? "" :
 233                                         " *** REVOKED ***");
 234                         if (fingerprint) {
 235                                 display_fingerprint(keys);
 236                         }
 237                         if (verbose) {
 238                                 list_sigs(curuid->sigs, html);
 239                         }
 240                         curuid = curuid->next;
 241                 } else {
 242                         printf("%s\n",
 243                                 (keys->revocations == NULL) ? "" :
 244                                         "*** REVOKED ***");
 245                         if (fingerprint) {
 246                                 display_fingerprint(keys);
 247                         }
 248                 }
 249
 250                 list_uids(curuid, verbose, html);
 251                 list_subkeys(keys->subkeys, verbose, html);
 252
 253                 keys = keys->next;
 254         }
 255
 256         if (html) {
 257                 puts("</pre>");
 258         }
 259
 260         return 0;
 261 }
 262
 263 /**
 264  *      mrkey_index - List a set of OpenPGP keys in the MRHKP format.
 265  *      @keys: The keys to display.
 266  *
 267  *      This function takes a list of OpenPGP public keys and displays a
 268  *      machine readable list of them.
 269  */
 270 int mrkey_index(struct openpgp_publickey *keys)
 271 {
 272         struct openpgp_signedpacket_list        *curuid = NULL;
 273         time_t                                   created_time = 0;
 274         int                                      type = 0;
 275         int                                      length = 0;
 276         int                                      i = 0;
 277         size_t                                   fplength = 0;
 278         unsigned char                            fp[20];
 279
 280         while (keys != NULL) {
 281                 created_time = (keys->publickey->data[1] << 24) +
 282                                         (keys->publickey->data[2] << 16) +
 283                                         (keys->publickey->data[3] << 8) +
 284                                         keys->publickey->data[4];
 285
 286                 printf("pub:");
 287
 288                 switch (keys->publickey->data[0]) {
 289                 case 2:
 290                 case 3:
 291                         printf("%016llX", get_keyid(keys));
 292                         type = keys->publickey->data[7];
 293                         length = (keys->publickey->data[8] << 8) +
 294                                         keys->publickey->data[9];
 295                         break;
 296                 case 4:
 297                         (void) get_fingerprint(keys->publickey, fp, &fplength);
 298
 299                         for (i = 0; i < fplength; i++) {
 300                                 printf("%02X", fp[i]);
 301                         }
 302
 303                         type = keys->publickey->data[5];
 304                         length = (keys->publickey->data[6] << 8) +
 305                                         keys->publickey->data[7];
 306                         break;
 307                 default:
 308                         logthing(LOGTHING_ERROR, "Unknown key type: %d",
 309                                 keys->publickey->data[0]);
 310                 }
 311
 312                 printf(":%d:%d:%ld::%s\n",
 313                         type,
 314                         length,
 315                         created_time,
 316                         (keys->revocations == NULL) ? "" : "r");
 317
 318                 for (curuid = keys->uids; curuid != NULL;
 319                          curuid = curuid->next) {
 320
 321                         if (curuid->packet->tag == 13) {
 322                                 printf("uid:%.*s\n",
 323                                         (int) curuid->packet->length,
 324                                         curuid->packet->data);
 325                         }
 326                 }
 327                 keys = keys->next;
 328         }
 329         return 0;
 330 }