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