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