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  * $Id: sendsync.c,v 1.2 2003/06/04 20:57:12 noodles Exp $
   9  */
  10
  11 #include <stdio.h>
  12 #include <unistd.h>
  13 #include <sys/types.h>
  14 #include <sys/wait.h>
  15
  16 #include "armor.h"
  17 #include "keystructs.h"
  18 #include "ll.h"
  19 #include "mem.h"
  20 #include "onak-conf.h"
  21 #include "parsekey.h"
  22 #include "sendsync.h"
  23
  24 int fd_putchar(void *ctx, size_t count, unsigned char *c)
  25 {
  26         int i;
  27
  28         for (i = 0; i < count; i++) {
  29                 fputc(c[i], ctx);
  30         }
  31         return 0;
  32 }
  33
  34 /**
  35  *      sendkeysync - Send a key sync mail to our peers.
  36  *      keys: The list of keys to send.
  37  *
  38  *      Takes a list of keys and sends out a keysync mail to all our peers.
  39  */
  40 int sendkeysync(struct openpgp_publickey *keys)
  41 {
  42         FILE                       *fd = NULL;
  43         struct ll                  *cursite = NULL;
  44         struct openpgp_packet_list *packets = NULL;
  45         struct openpgp_packet_list *list_end = NULL;
  46
  47         if (config.syncsites != NULL &&
  48                         (fd=popen("sendmail -t", "w")) != NULL) {
  49                 fprintf(fd, "From: %s\n", config.adminemail);
  50
  51                 fprintf(fd, "To: ");
  52                 for (cursite = config.syncsites; cursite != NULL;
  53                                 cursite = cursite->next) {
  54                         fprintf(fd, "%s", (char *) cursite->object);
  55                         if (cursite->next != NULL) {
  56                                 fprintf(fd, ", ");
  57                         }
  58                 }
  59                 fprintf(fd, "\n");
  60
  61                 fprintf(fd, "Subject: incremental\n");
  62                 fprintf(fd, "X-Keyserver-Sent: %s\n", config.thissite);
  63                 fprintf(fd, "Precedence: list\n");
  64                 fprintf(fd, "MIME-Version: 1.0\n");
  65                 fprintf(fd, "Content-Type: application/pgp-keys\n\n");
  66
  67                 flatten_publickey(keys,
  68                                 &packets,
  69                                 &list_end);
  70                 armor_openpgp_stream(fd_putchar,
  71                                 fd,
  72                                 packets);
  73                 free_packet_list(packets);
  74                 packets = NULL;
  75
  76                 pclose(fd);
  77         } else return 0;
  78
  79         return 1;
  80 }