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
   9 #include <inttypes.h>
  10 #include <stdbool.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <time.h>
  15
  16 #include "decodekey.h"
  17 #include "getcgi.h"
  18 #include "hash.h"
  19 #include "keydb.h"
  20 #include "keyid.h"
  21 #include "keyindex.h"
  22 #include "keystructs.h"
  23 #include "log.h"
  24
  25 int list_sigs(struct openpgp_packet_list *sigs, bool html)
  26 {
  27         char *uid = NULL;
  28         uint64_t sigid = 0;
  29
  30         while (sigs != NULL) {
  31                 sigid = sig_keyid(sigs->packet);
  32                 uid = keyid2uid(sigid);
  33                 if (html && uid != NULL) {
  34                         printf("sig         <a href=\"lookup?op=get&"
  35                                 "search=%08llX\">%08llX</a>             "
  36                                 "<a href=\"lookup?op=vindex&search=0x%08llX\">"
  37                                 "%s</a>\n",
  38                                 sigid & 0xFFFFFFFF,
  39                                 sigid & 0xFFFFFFFF,
  40                                 sigid & 0xFFFFFFFF,
  41                                 txt2html(uid));
  42                 } else if (html && uid == NULL) {
  43                         printf("sig         %08llX             "
  44                                 "[User id not found]\n",
  45                                 sigid & 0xFFFFFFFF);
  46                 } else {
  47                         printf("sig         %08llX"
  48                                 "             %s\n",
  49                                 sigid & 0xFFFFFFFF,
  50                                 (uid != NULL) ? uid :
  51                                 "[User id not found]");
  52                 }
  53                 if (uid != NULL) {
  54                         free(uid);
  55                         uid = NULL;
  56                 }
  57                 sigs = sigs->next;
  58         }
  59
  60         return 0;
  61 }
  62
  63 int list_uids(uint64_t keyid, struct openpgp_signedpacket_list *uids,
  64                 bool verbose, bool html)
  65 {
  66         char buf[1024];
  67         int  imgindx = 0;
  68
  69         while (uids != NULL) {
  70                 if (uids->packet->tag == 13) {
  71                         snprintf(buf, 1023, "%.*s",
  72                                 (int) uids->packet->length,
  73                                 uids->packet->data);
  74                         printf("                                %s\n",
  75                                 (html) ? txt2html(buf) : buf);
  76                 } else if (uids->packet->tag == 17) {
  77                         printf("                                ");
  78                         if (html) {
  79                                 printf("<img src=\"lookup?op=photo&search=0x%llX&idx=%d\" alt=\"[photo id]\">\n",
  80                                                 keyid,
  81                                                 imgindx);
  82                                 imgindx++;
  83                         } else {
  84                                 printf("[photo id]\n");
  85                         }
  86                 }
  87                 if (verbose) {
  88                         list_sigs(uids->sigs, html);
  89                 }
  90                 uids = uids->next;
  91         }
  92
  93         return 0;
  94 }
  95
  96 int list_subkeys(struct openpgp_signedpacket_list *subkeys, bool verbose,
  97                 bool html)
  98 {
  99         struct tm       *created = NULL;
 100         time_t          created_time = 0;
 101         int             type = 0;
 102         int             length = 0;
 103
 104         while (subkeys != NULL) {
 105                 if (subkeys->packet->tag == 14) {
 106
 107                         created_time = (subkeys->packet->data[1] << 24) +
 108                                         (subkeys->packet->data[2] << 16) +
 109                                         (subkeys->packet->data[3] << 8) +
 110                                         subkeys->packet->data[4];
 111                         created = gmtime(&created_time);
 112
 113                         switch (subkeys->packet->data[0]) {
 114                         case 2:
 115                         case 3:
 116                                 type = subkeys->packet->data[7];
 117                                 length = (subkeys->packet->data[8] << 8) +
 118                                         subkeys->packet->data[9];
 119                                 break;
 120                         case 4:
 121                                 type = subkeys->packet->data[5];
 122                                 length = (subkeys->packet->data[6] << 8) +
 123                                         subkeys->packet->data[7];
 124                                 break;
 125                         default:
 126                                 logthing(LOGTHING_ERROR,
 127                                         "Unknown key type: %d",
 128                                         subkeys->packet->data[0]);
 129                         }
 130
 131                         printf("sub  %5d%c/%08X %04d/%02d/%02d\n",
 132                                 length,
 133                                 (type == 1) ? 'R' : ((type == 16) ? 'g' :
 134                                         ((type == 17) ? 'D' : '?')),
 135                                 (uint32_t) (get_packetid(subkeys->packet) &
 136                                             0xFFFFFFFF),
 137                                 created->tm_year + 1900,
 138                                 created->tm_mon + 1,
 139                                 created->tm_mday);
 140
 141                 }
 142                 if (verbose) {
 143                         list_sigs(subkeys->sigs, html);
 144                 }
 145                 subkeys = subkeys->next;
 146         }
 147
 148         return 0;
 149 }
 150
 151 void display_fingerprint(struct openpgp_publickey *key)
 152 {
 153         int             i = 0;
 154         size_t          length = 0;
 155         unsigned char   fp[20];
 156
 157         get_fingerprint(key->publickey, fp, &length);
 158         printf("      Key fingerprint =");
 159         for (i = 0; i < length; i++) {
 160                 if ((length == 16) ||
 161                         (i % 2 == 0)) {
 162                         printf(" ");
 163                 }
 164                 printf("%02X", fp[i]);
 165                 if ((i * 2) == length) {
 166                         printf(" ");
 167                 }
 168         }
 169         printf("\n");
 170
 171         return;
 172 }
 173
 174 /**
 175  *      key_index - List a set of OpenPGP keys.
 176  *      @keys: The keys to display.
 177  *      @verbose: Should we list sigs as well?
 178  *      @fingerprint: List the fingerprint?
 179  *      @html: Should the output be tailored for HTML?
 180  *
 181  *      This function takes a list of OpenPGP public keys and displays an index
 182  *      of them. Useful for debugging or the keyserver Index function.
 183  */
 184 int key_index(struct openpgp_publickey *keys, bool verbose, bool fingerprint,
 185                         bool html)
 186 {
 187         struct openpgp_signedpacket_list        *curuid = NULL;
 188         struct tm                               *created = NULL;
 189         time_t                                   created_time = 0;
 190         int                                      type = 0;
 191         int                                      length = 0;
 192         char                                     buf[1024];
 193         uint64_t                                 keyid;
 194
 195         if (html) {
 196                 puts("<pre>");
 197         }
 198         puts("Type   bits/keyID    Date       User ID");
 199         while (keys != NULL) {
 200                 created_time = (keys->publickey->data[1] << 24) +
 201                                         (keys->publickey->data[2] << 16) +
 202                                         (keys->publickey->data[3] << 8) +
 203                                         keys->publickey->data[4];
 204                 created = gmtime(&created_time);
 205
 206                 switch (keys->publickey->data[0]) {
 207                 case 2:
 208                 case 3:
 209                         type = keys->publickey->data[7];
 210                         length = (keys->publickey->data[8] << 8) +
 211                                         keys->publickey->data[9];
 212                         break;
 213                 case 4:
 214                         type = keys->publickey->data[5];
 215                         length = (keys->publickey->data[6] << 8) +
 216                                         keys->publickey->data[7];
 217                         break;
 218                 default:
 219                         logthing(LOGTHING_ERROR, "Unknown key type: %d",
 220                                 keys->publickey->data[0]);
 221                 }
 222
 223                 keyid = (get_keyid(keys) & 0xFFFFFFFF);
 224                 printf("pub  %5d%c/%08X %04d/%02d/%02d ",
 225                         length,
 226                         (type == 1) ? 'R' : ((type == 16) ? 'g' :
 227                                 ((type == 17) ? 'D' : '?')),
 228                         (uint32_t) keyid,
 229                         created->tm_year + 1900,
 230                         created->tm_mon + 1,
 231                         created->tm_mday);
 232
 233                 curuid = keys->uids;
 234                 if (curuid != NULL && curuid->packet->tag == 13) {
 235                         snprintf(buf, 1023, "%.*s",
 236                                 (int) curuid->packet->length,
 237                                 curuid->packet->data);
 238                         printf("%s%s\n",
 239                                 (html) ? txt2html(buf) : buf,
 240                                 (keys->revocations == NULL) ? "" :
 241                                         " *** REVOKED ***");
 242                         if (fingerprint) {
 243                                 display_fingerprint(keys);
 244                         }
 245                         if (verbose) {
 246                                 list_sigs(curuid->sigs, html);
 247                         }
 248                         curuid = curuid->next;
 249                 } else {
 250                         printf("%s\n",
 251                                 (keys->revocations == NULL) ? "" :
 252                                         "*** REVOKED ***");
 253                         if (fingerprint) {
 254                                 display_fingerprint(keys);
 255                         }
 256                 }
 257
 258                 list_uids(keyid, curuid, verbose, html);
 259                 if (verbose) {
 260                         list_subkeys(keys->subkeys, verbose, html);
 261                 }
 262
 263                 keys = keys->next;
 264         }
 265
 266         if (html) {
 267                 puts("</pre>");
 268         }
 269
 270         return 0;
 271 }
 272
 273 /**
 274  *      mrkey_index - List a set of OpenPGP keys in the MRHKP format.
 275  *      @keys: The keys to display.
 276  *
 277  *      This function takes a list of OpenPGP public keys and displays a
 278  *      machine readable list of them.
 279  */
 280 int mrkey_index(struct openpgp_publickey *keys)
 281 {
 282         struct openpgp_signedpacket_list        *curuid = NULL;
 283         time_t                                   created_time = 0;
 284         int                                      type = 0;
 285         int                                      length = 0;
 286         int                                      i = 0;
 287         size_t                                   fplength = 0;
 288         unsigned char                            fp[20];
 289
 290         while (keys != NULL) {
 291                 created_time = (keys->publickey->data[1] << 24) +
 292                                         (keys->publickey->data[2] << 16) +
 293                                         (keys->publickey->data[3] << 8) +
 294                                         keys->publickey->data[4];
 295
 296                 printf("pub:");
 297
 298                 switch (keys->publickey->data[0]) {
 299                 case 2:
 300                 case 3:
 301                         printf("%016llX", get_keyid(keys));
 302                         type = keys->publickey->data[7];
 303                         length = (keys->publickey->data[8] << 8) +
 304                                         keys->publickey->data[9];
 305                         break;
 306                 case 4:
 307                         (void) get_fingerprint(keys->publickey, fp, &fplength);
 308
 309                         for (i = 0; i < fplength; i++) {
 310                                 printf("%02X", fp[i]);
 311                         }
 312
 313                         type = keys->publickey->data[5];
 314                         length = (keys->publickey->data[6] << 8) +
 315                                         keys->publickey->data[7];
 316                         break;
 317                 default:
 318                         logthing(LOGTHING_ERROR, "Unknown key type: %d",
 319                                 keys->publickey->data[0]);
 320                 }
 321
 322                 printf(":%d:%d:%ld::%s\n",
 323                         type,
 324                         length,
 325                         created_time,
 326                         (keys->revocations == NULL) ? "" : "r");
 327
 328                 for (curuid = keys->uids; curuid != NULL;
 329                          curuid = curuid->next) {
 330
 331                         if (curuid->packet->tag == 13) {
 332                                 printf("uid:%.*s\n",
 333                                         (int) curuid->packet->length,
 334                                         curuid->packet->data);
 335                         }
 336                 }
 337                 keys = keys->next;
 338         }
 339         return 0;
 340 }