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  * $Id: onak.c,v 1.14 2003/06/07 13:37:33 noodles Exp $
  11  */
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <unistd.h>
  17
  18 #include "armor.h"
  19 #include "keydb.h"
  20 #include "keyid.h"
  21 #include "keyindex.h"
  22 #include "keystructs.h"
  23 #include "log.h"
  24 #include "mem.h"
  25 #include "merge.h"
  26 #include "onak-conf.h"
  27 #include "parsekey.h"
  28
  29 int stdin_getchar(void *ctx, size_t count, unsigned char *c)
  30 {
  31         int ic;
  32
  33         do {
  34                 ic = getchar();
  35                 *c = ic;
  36                 c++;
  37         } while ((ic != EOF) && (--count > 0));
  38         return (ic == EOF);
  39 }
  40
  41 int stdout_putchar(void *ctx, size_t count, unsigned char *c)
  42 {
  43         int i;
  44
  45         for (i = 0; i < count; i++) {
  46                 putchar(c[i]);
  47         }
  48         return 0;
  49 }
  50
  51 void find_keys(char *search, uint64_t keyid, bool ishex,
  52                 bool fingerprint, bool exact, bool verbose)
  53 {
  54         struct openpgp_publickey *publickey = NULL;
  55         int count = 0;
  56
  57         if (ishex) {
  58                 count = fetch_key(keyid, &publickey, false);
  59         } else {
  60                 count = fetch_key_text(search, &publickey);
  61         }
  62         if (publickey != NULL) {
  63                 key_index(publickey, verbose, fingerprint, false);
  64                 free_publickey(publickey);
  65         } else if (count == 0) {
  66                 puts("Key not found.");
  67         } else {
  68                 printf("Found %d keys, but maximum number to return is %d.\n",
  69                                 count,
  70                                 config.maxkeys);
  71                 puts("Try again with a more specific search.");
  72         }
  73 }
  74
  75 void usage(void) {
  76         puts("onak " VERSION " - an OpenPGP keyserver.\n");
  77         puts("Usage:\n");
  78         puts("\tonak [options] <command> <parameters>\n");
  79         puts("\tCommands:\n");
  80         puts("\tadd    - read armored OpenPGP keys from stdin and add to the"
  81                 " keyserver");
  82         puts("\tdelete - delete a given key from the keyserver");
  83         puts("\tdump   - dump all the keys from the keyserver to a file or"
  84                 " files\n\t         starting keydump*");
  85         puts("\tget    - retrieves the key requested from the keyserver");
  86         puts("\tindex  - search for a key and list it");
  87         puts("\tvindex - search for a key and list it and its signatures");
  88 }
  89
  90 int main(int argc, char *argv[])
  91 {
  92         struct openpgp_packet_list      *packets = NULL;
  93         struct openpgp_packet_list      *list_end = NULL;
  94         struct openpgp_publickey        *keys = NULL;
  95         int                              rc = EXIT_SUCCESS;
  96         int                              result = 0;
  97         char                            *search = NULL;
  98         char                            *end = NULL;
  99         uint64_t                         keyid = 0;
 100         bool                             ishex = false;
 101         bool                             verbose = false;
 102         bool                             update = false;
 103         bool                             binary = false;
 104         bool                             fingerprint = false;
 105         int                              optchar;
 106
 107         while ((optchar = getopt(argc, argv, "bfuv")) != -1 ) {
 108                 switch (optchar) {
 109                 case 'b':
 110                         binary = true;
 111                         break;
 112                 case 'f':
 113                         fingerprint = true;
 114                         break;
 115                 case 'u':
 116                         update = true;
 117                         break;
 118                 case 'v':
 119                         verbose = true;
 120                         setlogthreshold(LOGTHING_INFO);
 121                         break;
 122                 }
 123         }
 124
 125         readconfig();
 126         initlogthing("onak", config.logfile);
 127
 128         if ((argc - optind) < 1) {
 129                 usage();
 130         } else if (!strcmp("dump", argv[optind])) {
 131                 initdb();
 132                 dumpdb("keydump");
 133                 cleanupdb();
 134         } else if (!strcmp("add", argv[optind])) {
 135                 if (binary) {
 136                         result = read_openpgp_stream(stdin_getchar, NULL,
 137                                  &packets);
 138                         logthing(LOGTHING_INFO,
 139                                         "read_openpgp_stream: %d", result);
 140                 } else {
 141                         dearmor_openpgp_stream(stdin_getchar, NULL, &packets);
 142                 }
 143                 if (packets != NULL) {
 144                         result = parse_keys(packets, &keys);
 145                         free_packet_list(packets);
 146                         packets = NULL;
 147                         logthing(LOGTHING_INFO, "Finished reading %d keys.",
 148                                         result);
 149
 150                         initdb();
 151                         logthing(LOGTHING_NOTICE, "Got %d new keys.",
 152                                         update_keys(&keys));
 153                         if (keys != NULL && update) {
 154                                 flatten_publickey(keys,
 155                                         &packets,
 156                                         &list_end);
 157                                 armor_openpgp_stream(stdout_putchar,
 158                                         NULL,
 159                                         packets);
 160                                 free_packet_list(packets);
 161                                 packets = NULL;
 162                         }
 163                         cleanupdb();
 164                 } else {
 165                         rc = 1;
 166                         logthing(LOGTHING_NOTICE, "No keys read.");
 167                 }
 168
 169                 if (keys != NULL) {
 170                         free_publickey(keys);
 171                         keys = NULL;
 172                 } else {
 173                         rc = 1;
 174                         logthing(LOGTHING_NOTICE, "No changes.");
 175                 }
 176         } else if ((argc - optind) == 2) {
 177                 search = argv[optind+1];
 178                 if (search != NULL) {
 179                         keyid = strtoul(search, &end, 16);
 180                         if (*search != 0 &&
 181                                         end != NULL &&
 182                                         *end == 0) {
 183                                 ishex = true;
 184                         }
 185                 }
 186                 initdb();
 187                 if (!strcmp("index", argv[optind])) {
 188                         find_keys(search, keyid, ishex, fingerprint,
 189                                         false, false);
 190                 } else if (!strcmp("vindex", argv[optind])) {
 191                         find_keys(search, keyid, ishex, fingerprint,
 192                                         false, true);
 193                 } else if (!strcmp("delete", argv[optind])) {
 194                         delete_key(getfullkeyid(keyid), false);
 195                 } else if (!strcmp("get", argv[optind])) {
 196                         if (!ishex) {
 197                                 puts("Can't get a key on uid text."
 198                                         " You must supply a keyid.");
 199                         } else if (fetch_key(keyid, &keys, false)) {
 200                                 logthing(LOGTHING_INFO, "Got key.");
 201                                 flatten_publickey(keys,
 202                                                 &packets,
 203                                                 &list_end);
 204                                 free_publickey(keys);
 205                                 armor_openpgp_stream(stdout_putchar,
 206                                                 NULL,
 207                                                 packets);
 208                                 free_packet_list(packets);
 209                                 packets = NULL;
 210                         } else {
 211                                 puts("Key not found");
 212                         }
 213                 }
 214                 cleanupdb();
 215         } else {
 216                 usage();
 217         }
 218
 219         cleanuplogthing();
 220         cleanupconfig();
 221
 222         return rc;
 223 }