keymerge.c

   1 /*
   2  * keymerge.c - Takes a key on stdin, merges it and outputs the difference.
   3  *
   4  * Jonathan McDowell <noodles@earth.li>
   5  *
   6  * Copyright 2002 Project Purple
   7  */
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11
  12 #include "armor.h"
  13 #include "keydb.h"
  14 #include "keyid.h"
  15 #include "keystructs.h"
  16 #include "mem.h"
  17 #include "merge.h"
  18 #include "parsekey.h"
  19
  20 int stdin_getchar(void *ctx, size_t count, unsigned char *c)
  21 {
  22         int ic;
  23
  24         do {
  25                 ic = getchar();
  26                 *c = ic;
  27                 c++;
  28         } while ((ic != EOF) && (--count > 0));
  29         return (ic == EOF);
  30 }
  31
  32 int stdout_putchar(void *ctx, unsigned char c)
  33 {
  34         return (putchar(c));
  35 }
  36
  37
  38 int main(int argc, char *argv[])
  39 {
  40         struct openpgp_packet_list      *packets = NULL;
  41         struct openpgp_packet_list      *list_end = NULL;
  42         struct openpgp_publickey        *keys = NULL;
  43         int                              rc = EXIT_SUCCESS;
  44
  45         dearmor_openpgp_stream(stdin_getchar, NULL, &packets);
  46         if (packets != NULL) {
  47                 parse_keys(packets, &keys);
  48                 free_packet_list(packets);
  49                 packets = NULL;
  50
  51                 initdb();
  52                 fprintf(stderr, "Got %d new keys.\n",
  53                                 update_keys(&keys));
  54                 cleanupdb();
  55         } else {
  56                 rc = 1;
  57                 fprintf(stderr, "No keys read.\n");
  58         }
  59
  60         if (keys != NULL) {
  61                 flatten_publickey(keys, &packets, &list_end);
  62                 free_publickey(keys);
  63                 keys = NULL;
  64
  65                 armor_openpgp_stream(stdout_putchar, NULL, packets);
  66                 free_packet_list(packets);
  67                 packets = NULL;
  68         } else {
  69                 rc = 1;
  70                 fprintf(stderr, "No changes.\n");
  71         }
  72
  73         return rc;
  74 }