Esempio n. 1
0
void read_secret_chat_file (void) {
  if (binlog_enabled) { return; }
  int fd = open (get_secret_chat_filename (), O_CREAT | O_RDWR, 0600);
  if (fd < 0) {
    return;
  }
  int x[2];
  if (read (fd, x, 8) < 8) {
    close (fd); return;
  }
  if (x[0] != (int)SECRET_CHAT_FILE_MAGIC) { close (fd); return; }
  int version = x[1];
  assert (version >= 0);
  int cc;
  assert (read (fd, &cc, 4) == 4);
  int i;
  for (i = 0; i < cc; i++) {
    peer_t *P = talloc0 (sizeof (*P));
    struct secret_chat *E = &P->encr_chat;
    int t;
    assert (read (fd, &t, 4) == 4);
    P->id = MK_ENCR_CHAT (t);
    assert (read (fd, &P->flags, 4) == 4);
    assert (read (fd, &t, 4) == 4);
    assert (t > 0);
    P->print_name = talloc (t + 1);
    assert (read (fd, P->print_name, t) == t);
    P->print_name[t] = 0;
    peer_insert_name (P);

    assert (read (fd, &E->state, 4) == 4);
    assert (read (fd, &E->user_id, 4) == 4);
    assert (read (fd, &E->admin_id, 4) == 4);
    assert (read (fd, &E->ttl, 4) == 4);
    assert (read (fd, &E->access_hash, 8) == 8);

    if (E->state != sc_waiting) {
      E->g_key = talloc (256);
      assert (read (fd, E->g_key, 256) == 256);
      E->nonce = talloc (256);
      assert (read (fd, E->nonce, 256) == 256);
    }
    assert (read (fd, E->key, 256) == 256);
    assert (read (fd, &E->key_fingerprint, 8) == 8);
    insert_encrypted_chat (P);
  }
  if (version >= 1) {
    assert (read (fd, &encr_root, 4) == 4);
    if (encr_root) {
      assert (read (fd, &encr_param_version, 4) == 4);
      encr_prime = talloc (256);
      assert (read (fd, encr_prime, 256) == 256);
    }
  }
  close (fd);
}
Esempio n. 2
0
void write_secret_chat_file (void) {
  if (binlog_enabled) { return; }
  int fd = open (get_secret_chat_filename (), O_CREAT | O_RDWR, 0600);
  if (fd < 0) {
    return;
  }
  int x[2];
  x[0] = SECRET_CHAT_FILE_MAGIC;
  x[1] = 1;
  assert (write (fd, x, 8) == 8);
  int i;
  int cc = 0;
  for (i = 0; i < peer_num; i++) if (get_peer_type (Peers[i]->id) == PEER_ENCR_CHAT) {
    if (Peers[i]->encr_chat.state != sc_none && Peers[i]->encr_chat.state != sc_deleted) {
      cc ++;
    }
  }
  assert (write (fd, &cc, 4) == 4);
  for (i = 0; i < peer_num; i++) if (get_peer_type (Peers[i]->id) == PEER_ENCR_CHAT) {
    if (Peers[i]->encr_chat.state != sc_none && Peers[i]->encr_chat.state != sc_deleted) {
      int t = get_peer_id (Peers[i]->id);
      assert (write (fd, &t, 4) == 4);
      t = Peers[i]->flags;
      assert (write (fd, &t, 4) == 4);
      t = strlen (Peers[i]->print_name);
      assert (write (fd, &t, 4) == 4);
      assert (write (fd, Peers[i]->print_name, t) == t);
      
      assert (write (fd, &Peers[i]->encr_chat.state, 4) == 4);

      assert (write (fd, &Peers[i]->encr_chat.user_id, 4) == 4);
      assert (write (fd, &Peers[i]->encr_chat.admin_id, 4) == 4);
      assert (write (fd, &Peers[i]->encr_chat.ttl, 4) == 4);
      assert (write (fd, &Peers[i]->encr_chat.access_hash, 8) == 8);
      if (Peers[i]->encr_chat.state != sc_waiting) {
        assert (write (fd, Peers[i]->encr_chat.g_key, 256) == 256);
      }
      if (Peers[i]->encr_chat.state != sc_waiting) {
        assert (write (fd, Peers[i]->encr_chat.nonce, 256) == 256);
      }
      assert (write (fd, Peers[i]->encr_chat.key, 256) == 256);
      assert (write (fd, &Peers[i]->encr_chat.key_fingerprint, 8) == 8);      
    }
  }
  assert (write (fd, &encr_root, 4) == 4);
  if (encr_root) {
    assert (write (fd, &encr_param_version, 4) == 4);
    assert (write (fd, encr_prime, 256) == 256);
  }
  close (fd);
}
Esempio n. 3
0
void read_secret_chat_file (void) {
  if (binlog_enabled) { return; }
  int secret_chat_fd = open (get_secret_chat_filename (), O_RDWR, 0600);
  if (secret_chat_fd < 0) { return; }
  //assert (secret_chat_fd >= 0);
  int x;
  if (read (secret_chat_fd, &x, 4) < 4) { close (secret_chat_fd); return; }
  if (x != SECRET_CHAT_FILE_MAGIC) { close (secret_chat_fd); return; }
  int v = 0;
  assert (read (secret_chat_fd, &v, 4) == 4);
  assert (v == 0 || v == 1 || v == 2); // version  
  assert (read (secret_chat_fd, &x, 4) == 4);
  assert (x >= 0);
  while (x --> 0) {
    read_secret_chat (secret_chat_fd, v);
  }
  close (secret_chat_fd);
}
Esempio n. 4
0
void write_secret_chat_file (void) {
  if (binlog_enabled) { return; }
  int secret_chat_fd = open (get_secret_chat_filename (), O_CREAT | O_RDWR, 0600);
  assert (secret_chat_fd >= 0);
  int x = SECRET_CHAT_FILE_MAGIC;
  assert (write (secret_chat_fd, &x, 4) == 4);
  x = 2; 
  assert (write (secret_chat_fd, &x, 4) == 4); // version
  assert (write (secret_chat_fd, &x, 4) == 4); // num

  int y[2];
  y[0] = secret_chat_fd;
  y[1] = 0;

  tgl_peer_iterator_ex (TLS, write_secret_chat, y);

  lseek (secret_chat_fd, 8, SEEK_SET);
  assert (write (secret_chat_fd, &y[1], 4) == 4);
  close (secret_chat_fd);
}