onak.c

   1 /*
   2  * onak.c - An OpenPGP keyserver.
   3  *
   4  * This is the main swiss army knife binary.
   5  *
   6  * Jonathan McDowell <noodles@earth.li>
   7  *
   8  * Copyright 2002 Project Purple
   9  */
  10
  11 #include <fcntl.h>
  12 #include <getopt.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <sys/types.h>
  17 #include <sys/stat.h>
  18 #include <unistd.h>
  19
  20 #include "armor.h"
  21 #include "charfuncs.h"
  22 #include "cleankey.h"
  23 #include "cleanup.h"
  24 #include "config.h"
  25 #include "keydb.h"
  26 #include "keyid.h"
  27 #include "keyindex.h"
  28 #include "keystructs.h"
  29 #include "log.h"
  30 #include "mem.h"
  31 #include "merge.h"
  32 #include "onak-conf.h"
  33 #include "parsekey.h"
  34 #include "photoid.h"
  35
  36 void find_keys(char *search, uint64_t keyid, bool ishex,
  37                 bool fingerprint, bool exact, bool verbose)
  38 {
  39         struct openpgp_publickey *publickey = NULL;
  40         int count = 0;
  41
  42         if (ishex) {
  43                 count = config.dbbackend->fetch_key(keyid, &publickey, false);
  44         } else {
  45                 count = config.dbbackend->fetch_key_text(search, &publickey);
  46         }
  47         if (publickey != NULL) {
  48                 key_index(publickey, verbose, fingerprint, false);
  49                 free_publickey(publickey);
  50         } else if (count == 0) {
  51                 puts("Key not found.");
  52         } else {
  53                 printf("Found %d keys, but maximum number to return is %d.\n",
  54                                 count,
  55                                 config.maxkeys);
  56                 puts("Try again with a more specific search.");
  57         }
  58 }
  59
  60 struct dump_ctx {
  61         int count;
  62         int maxcount;
  63         int fd;
  64         int filenum;
  65         char *filebase;
  66 };
  67
  68 void dump_func(void *ctx, struct openpgp_publickey *key)
  69 {
  70         struct openpgp_packet_list *packets = NULL;
  71         struct openpgp_packet_list *list_end = NULL;
  72         struct dump_ctx *state;
  73         char filename[1024];
  74
  75         state = (struct dump_ctx *) ctx;
  76
  77         if (state->fd == -1 || state->count++ > state->maxcount) {
  78                 if (state->fd != -1) {
  79                         close(state->fd);
  80                         state->fd = -1;
  81                 }
  82                 snprintf(filename, 1023, state->filebase, state->filenum);
  83                 state->fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0640);
  84                 state->filenum++;
  85                 state->count = 0;
  86         }
  87         flatten_publickey(key, &packets, &list_end);
  88         write_openpgp_stream(file_putchar, &state->fd, packets);
  89         free_packet_list(packets);
  90         packets = list_end = NULL;
  91
  92         return;
  93 }
  94
  95 void usage(void) {
  96         puts("onak " ONAK_VERSION " - an OpenPGP keyserver.\n");
  97         puts("Usage:\n");
  98         puts("\tonak [options] <command> <parameters>\n");
  99         puts("\tCommands:\n");
 100         puts("\tadd      - read armored OpenPGP keys from stdin and add to the"
 101                 " keyserver");
 102         puts("\tclean    - read armored OpenPGP keys from stdin, run the"
 103                 " cleaning\n\t             routines against them and dump to"
 104                 " stdout");
 105         puts("\tdelete   - delete a given key from the keyserver");
 106         puts("\tdump     - dump all the keys from the keyserver to a file or"
 107                 " files\n\t           starting keydump*");
 108         puts("\tget      - retrieves the key requested from the keyserver");
 109         puts("\tgetphoto - retrieves the first photoid on the given key and"
 110                 " dumps to\n\t           stdout");
 111         puts("\tindex    - search for a key and list it");
 112         puts("\tvindex   - search for a key and list it and its signatures");
 113 }
 114
 115 int main(int argc, char *argv[])
 116 {
 117         struct openpgp_packet_list      *packets = NULL;
 118         struct openpgp_packet_list      *list_end = NULL;
 119         struct openpgp_publickey        *keys = NULL;
 120         char                            *configfile = NULL;
 121         int                              rc = EXIT_SUCCESS;
 122         int                              result = 0;
 123         char                            *search = NULL;
 124         char                            *end = NULL;
 125         uint64_t                         keyid = 0;
 126         bool                             ishex = false;
 127         bool                             verbose = false;
 128         bool                             update = false;
 129         bool                             binary = false;
 130         bool                             fingerprint = false;
 131         int                              optchar;
 132         struct dump_ctx                  dumpstate;
 133
 134         while ((optchar = getopt(argc, argv, "bc:fuv")) != -1 ) {
 135                 switch (optchar) {
 136                 case 'b':
 137                         binary = true;
 138                         break;
 139                 case 'c':
 140                         configfile = strdup(optarg);
 141                         break;
 142                 case 'f':
 143                         fingerprint = true;
 144                         break;
 145                 case 'u':
 146                         update = true;
 147                         break;
 148                 case 'v':
 149                         verbose = true;
 150                         setlogthreshold(LOGTHING_INFO);
 151                         break;
 152                 }
 153         }
 154
 155         readconfig(configfile);
 156         initlogthing("onak", config.logfile);
 157         catchsignals();
 158
 159         if ((argc - optind) < 1) {
 160                 usage();
 161         } else if (!strcmp("dump", argv[optind])) {
 162                 config.dbbackend->initdb(true);
 163                 dumpstate.count = dumpstate.filenum = 0;
 164                 dumpstate.maxcount = 100000;
 165                 dumpstate.fd = -1;
 166                 dumpstate.filebase = "keydump.%d.pgp";
 167                 config.dbbackend->iterate_keys(dump_func, &dumpstate);
 168                 if (dumpstate.fd != -1) {
 169                         close(dumpstate.fd);
 170                         dumpstate.fd = -1;
 171                 }
 172                 config.dbbackend->cleanupdb();
 173         } else if (!strcmp("add", argv[optind])) {
 174                 if (binary) {
 175                         result = read_openpgp_stream(stdin_getchar, NULL,
 176                                  &packets, 0);
 177                         logthing(LOGTHING_INFO,
 178                                         "read_openpgp_stream: %d", result);
 179                 } else {
 180                         dearmor_openpgp_stream(stdin_getchar, NULL, &packets);
 181                 }
 182                 if (packets != NULL) {
 183                         result = parse_keys(packets, &keys);
 184                         free_packet_list(packets);
 185                         packets = NULL;
 186                         logthing(LOGTHING_INFO, "Finished reading %d keys.",
 187                                         result);
 188
 189                         result = cleankeys(keys);
 190                         logthing(LOGTHING_INFO, "%d keys cleaned.",
 191                                         result);
 192
 193                         config.dbbackend->initdb(false);
 194                         logthing(LOGTHING_NOTICE, "Got %d new keys.",
 195                                         config.dbbackend->update_keys(&keys,
 196                                         false));
 197                         if (keys != NULL && update) {
 198                                 flatten_publickey(keys,
 199                                         &packets,
 200                                         &list_end);
 201                                 if (binary) {
 202                                         write_openpgp_stream(stdout_putchar,
 203                                                         NULL,
 204                                                         packets);
 205                                 } else {
 206                                         armor_openpgp_stream(stdout_putchar,
 207                                                 NULL,
 208                                                 packets);
 209                                 }
 210                                 free_packet_list(packets);
 211                                 packets = NULL;
 212                         }
 213                         config.dbbackend->cleanupdb();
 214                 } else {
 215                         rc = 1;
 216                         logthing(LOGTHING_NOTICE, "No keys read.");
 217                 }
 218
 219                 if (keys != NULL) {
 220                         free_publickey(keys);
 221                         keys = NULL;
 222                 } else {
 223                         rc = 1;
 224                         logthing(LOGTHING_NOTICE, "No changes.");
 225                 }
 226         } else if (!strcmp("clean", argv[optind])) {
 227                 if (binary) {
 228                         result = read_openpgp_stream(stdin_getchar, NULL,
 229                                  &packets, 0);
 230                         logthing(LOGTHING_INFO,
 231                                         "read_openpgp_stream: %d", result);
 232                 } else {
 233                         dearmor_openpgp_stream(stdin_getchar, NULL, &packets);
 234                 }
 235
 236                 if (packets != NULL) {
 237                         result = parse_keys(packets, &keys);
 238                         free_packet_list(packets);
 239                         packets = NULL;
 240                         logthing(LOGTHING_INFO, "Finished reading %d keys.",
 241                                         result);
 242
 243                         if (keys != NULL) {
 244                                 result = cleankeys(keys);
 245                                 logthing(LOGTHING_INFO, "%d keys cleaned.",
 246                                                 result);
 247
 248                                 flatten_publickey(keys,
 249                                         &packets,
 250                                         &list_end);
 251
 252                                 if (binary) {
 253                                         write_openpgp_stream(stdout_putchar,
 254                                                         NULL,
 255                                                         packets);
 256                                 } else {
 257                                         armor_openpgp_stream(stdout_putchar,
 258                                                 NULL,
 259                                                 packets);
 260                                 }
 261                                 free_packet_list(packets);
 262                                 packets = NULL;
 263                         }
 264                 } else {
 265                         rc = 1;
 266                         logthing(LOGTHING_NOTICE, "No keys read.");
 267                 }
 268
 269                 if (keys != NULL) {
 270                         free_publickey(keys);
 271                         keys = NULL;
 272                 }
 273         } else if ((argc - optind) == 2) {
 274                 search = argv[optind+1];
 275                 if (search != NULL) {
 276                         keyid = strtoul(search, &end, 16);
 277                         if (*search != 0 &&
 278                                         end != NULL &&
 279                                         *end == 0) {
 280                                 ishex = true;
 281                         }
 282                 }
 283                 config.dbbackend->initdb(false);
 284                 if (!strcmp("index", argv[optind])) {
 285                         find_keys(search, keyid, ishex, fingerprint,
 286                                         false, false);
 287                 } else if (!strcmp("vindex", argv[optind])) {
 288                         find_keys(search, keyid, ishex, fingerprint,
 289                                         false, true);
 290                 } else if (!strcmp("getphoto", argv[optind])) {
 291                         if (!ishex) {
 292                                 puts("Can't get a key on uid text."
 293                                         " You must supply a keyid.");
 294                         } else if (config.dbbackend->fetch_key(keyid, &keys,
 295                                         false)) {
 296                                 unsigned char *photo = NULL;
 297                                 size_t         length = 0;
 298
 299                                 if (getphoto(keys, 0, &photo, &length)) {
 300                                         fwrite(photo,
 301                                                 1,
 302                                                 length,
 303                                                 stdout);
 304                                 }
 305                                 free_publickey(keys);
 306                                 keys = NULL;
 307                         } else {
 308                                 puts("Key not found");
 309                         }
 310                 } else if (!strcmp("delete", argv[optind])) {
 311                         config.dbbackend->delete_key(
 312                                         config.dbbackend->getfullkeyid(keyid),
 313                                         false);
 314                 } else if (!strcmp("get", argv[optind])) {
 315                         if (!ishex) {
 316                                 puts("Can't get a key on uid text."
 317                                         " You must supply a keyid.");
 318                         } else if (config.dbbackend->fetch_key(keyid, &keys,
 319                                         false)) {
 320                                 logthing(LOGTHING_INFO, "Got key.");
 321                                 flatten_publickey(keys,
 322                                                 &packets,
 323                                                 &list_end);
 324                                 free_publickey(keys);
 325                                 if (binary) {
 326                                         write_openpgp_stream(stdout_putchar,
 327                                                 NULL,
 328                                                 packets);
 329                                 } else {
 330                                         armor_openpgp_stream(stdout_putchar,
 331                                                 NULL,
 332                                                 packets);
 333                                 }
 334                                 free_packet_list(packets);
 335                                 packets = NULL;
 336                         } else {
 337                                 puts("Key not found");
 338                         }
 339                 }
 340                 config.dbbackend->cleanupdb();
 341         } else {
 342                 usage();
 343         }
 344
 345         cleanuplogthing();
 346         cleanupconfig();
 347
 348         return rc;
 349 }