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
   9 #include <fcntl.h>
  10 #include <stdio.h>
  11 #include <sys/stat.h>
  12 #include <sys/types.h>
  13 #include <unistd.h>
  14
  15 #include "charfuncs.h"
  16 #include "keystructs.h"
  17 #include "log.h"
  18 #include "mem.h"
  19 #include "onak-conf.h"
  20 #include "openpgp.h"
  21 #include "parsekey.h"
  22
  23 int main(int argc, char *argv[])
  24 {
  25         struct openpgp_packet_list      *packets = NULL;
  26         struct openpgp_packet_list      *list_end = NULL;
  27         struct openpgp_packet_list      *tmp = NULL;
  28         int                              result = 0;
  29         int                              maxkeys = 10000;
  30         int                              outfd = -1;
  31         int                              count = 0;
  32         char                             splitfile[1024];
  33
  34         if (argc > 1) {
  35                 maxkeys = atoi(argv[1]);
  36                 if (maxkeys == 0) {
  37                         fprintf(stderr,
  38                                 "Couldn't parse %s as a number of keys!\n",
  39                                 argv[1]);
  40                         exit(EXIT_FAILURE);
  41                 }
  42         }
  43
  44         readconfig(NULL);
  45         initlogthing("splitkeys", config.logfile);
  46
  47         do {
  48                 result = read_openpgp_stream(stdin_getchar, NULL,
  49                                  &packets, maxkeys);
  50                 if (packets != NULL) {
  51                         list_end = packets;
  52                         while (list_end->next != NULL) {
  53                                 tmp = list_end;
  54                                 list_end = list_end->next;
  55                                 if (list_end->next == NULL &&
  56                                         list_end->packet->tag ==
  57                                                 OPENPGP_PACKET_PUBLICKEY) {
  58                                         tmp->next = NULL;
  59                                 }
  60                         }
  61                         if (tmp->next != NULL) {
  62                                 list_end = NULL;
  63                         }
  64
  65                         snprintf(splitfile, 1023, "splitfile-%d.pgp", count);
  66                         outfd = open(splitfile, O_WRONLY | O_CREAT, 0664);
  67                         write_openpgp_stream(file_putchar, &outfd,
  68                                         packets);
  69                         close(outfd);
  70                         free_packet_list(packets);
  71                         packets = list_end;
  72                         count++;
  73                 }
  74         } while (packets != NULL);
  75
  76         cleanuplogthing();
  77         cleanupconfig();
  78
  79         return 0;
  80 }