sendsync.c

   1 /*
   2  * sendsync.c - Routines to send a key sync mail.
   3  *
   4  * Jonathan McDowell <noodles@earth.li>
   5  *
   6  * Copyright 1999, 2002 Project Purple
   7 */
   8
   9 #include <stdio.h>
  10 #include <unistd.h>
  11 #include <sys/types.h>
  12 #include <sys/wait.h>
  13
  14 #include "armor.h"
  15 #include "keystructs.h"
  16 #include "ll.h"
  17 #include "mem.h"
  18 #include "onak-conf.h"
  19 #include "parsekey.h"
  20 #include "sendsync.h"
  21
  22 int fd_putchar(void *ctx, size_t count, unsigned char *c)
  23 {
  24         int i;
  25
  26         for (i = 0; i < count; i++) {
  27                 fputc(c[i], ctx);
  28         }
  29         return 0;
  30 }
  31
  32 /**
  33  *      sendkeysync - Send a key sync mail to our peers.
  34  *      keys: The list of keys to send.
  35  *
  36  *      Takes a list of keys and sends out a keysync mail to all our peers.
  37  */
  38 int sendkeysync(struct openpgp_publickey *keys)
  39 {
  40         FILE                       *fd = NULL;
  41         struct ll                  *cursite = NULL;
  42         struct openpgp_packet_list *packets = NULL;
  43         struct openpgp_packet_list *list_end = NULL;
  44
  45         if (config.syncsites != NULL &&
  46                         (fd=popen("sendmail -t", "w")) != NULL) {
  47                 fprintf(fd, "From: %s\n", config.adminemail);
  48
  49                 fprintf(fd, "To: ");
  50                 for (cursite = config.syncsites; cursite != NULL;
  51                                 cursite = cursite->next) {
  52                         fprintf(fd, "%s", (char *) cursite->object);
  53                         if (cursite->next != NULL) {
  54                                 fprintf(fd, ", ");
  55                         }
  56                 }
  57                 fprintf(fd, "\n");
  58
  59                 fprintf(fd, "Subject: incremental\n");
  60                 fprintf(fd, "X-Keyserver-Sent: %s\n", config.thissite);
  61                 fprintf(fd, "Precedence: list\n");
  62                 fprintf(fd, "MIME-Version: 1.0\n");
  63                 fprintf(fd, "Content-Type: application/pgp-keys\n\n");
  64
  65                 flatten_publickey(keys,
  66                                 &packets,
  67                                 &list_end);
  68                 armor_openpgp_stream(fd_putchar,
  69                                 fd,
  70                                 packets);
  71                 free_packet_list(packets);
  72                 packets = NULL;
  73
  74                 pclose(fd);
  75         } else return 0;
  76
  77         return 1;
  78 }