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