splitkeys.c

   1 /*
   2  * splitkeys.c - Split a keyring into smaller chunks.
   3  *
   4  * Jonathan McDowell <noodles@earth.li>
   5  *
   6  * Copyright 2003 Project Purple
   7  *
   8  * $Id: splitkeys.c,v 1.1 2003/09/30 21:16:14 noodles Exp $
   9  */
  10
  11 #include <fcntl.h>
  12 #include <stdio.h>
  13 #include <sys/stat.h>
  14 #include <sys/types.h>
  15 #include <unistd.h>
  16
  17 #include "charfuncs.h"
  18 #include "keystructs.h"
  19 #include "mem.h"
  20 #include "parsekey.h"
  21
  22 int main(int argc, char *argv[])
  23 {
  24         struct openpgp_packet_list      *packets = NULL;
  25         struct openpgp_packet_list      *list_end = NULL;
  26         struct openpgp_packet_list      *tmp = NULL;
  27         int                              result = 0;
  28         int                              maxkeys = 10000;
  29         int                              outfd = -1;
  30         int                              count = 0;
  31         char                             splitfile[1024];
  32
  33         if (argc > 1) {
  34                 maxkeys = atoi(argv[1]);
  35                 if (maxkeys == 0) {
  36                         fprintf(stderr,
  37                                 "Couldn't parse %s as a number of keys!\n",
  38                                 argv[1]);
  39                         exit(1);
  40                 }
  41         }
  42
  43         do {
  44                 result = read_openpgp_stream(stdin_getchar, NULL,
  45                                  &packets, maxkeys);
  46                 if (packets != NULL) {
  47                         list_end = packets;
  48                         while (list_end->next != NULL) {
  49                                 tmp = list_end;
  50                                 list_end = list_end->next;
  51                                 if (list_end->next == NULL &&
  52                                         list_end->packet->tag == 6) {
  53                                         tmp->next = NULL;
  54                                 }
  55                         }
  56
  57                         snprintf(splitfile, 1023, "splitfile-%d.pgp", count);
  58                         outfd = open(splitfile, O_WRONLY | O_CREAT, 0664);
  59                         write_openpgp_stream(file_putchar, &outfd,
  60                                         packets);
  61                         close(outfd);
  62                         free_packet_list(packets);
  63                         packets = list_end;
  64                         count++;
  65                 }
  66         } while (packets != NULL);
  67
  68         return 0;
  69 }