int
_assuan_sock_check_nonce (assuan_context_t ctx, assuan_fd_t fd,
assuan_sock_nonce_t *nonce)
{
#ifdef HAVE_W32_SYSTEM
char buffer[16], *p;
size_t nleft;
int n;
if (sizeof nonce->nonce != 16)
{
gpg_err_set_errno (EINVAL);
return -1;
}
if (nonce->length == 42 && nonce->nonce[0] == 42)
return 0; /* Not a Unix domain socket. */
if (nonce->length != 16)
{
gpg_err_set_errno (EINVAL);
return -1;
}
p = buffer;
nleft = 16;
while (nleft)
{
n = _assuan_read (ctx, SOCKET2HANDLE(fd), p, nleft);
if (n < 0 && errno == EINTR)
;
else if (n < 0 && errno == EAGAIN)
Sleep (100);
else if (n < 0)
return -1;
else if (!n)
{
gpg_err_set_errno (EIO);
return -1;
}
else
{
p += n;
nleft -= n;
}
}
if (memcmp (buffer, nonce->nonce, 16))
{
gpg_err_set_errno (EACCES);
return -1;
}
#else
(void)fd;
(void)nonce;
#endif
return 0;
}
ssize_t
_assuan_simple_read (assuan_context_t ctx, void *buffer, size_t size)
{
return _assuan_read (ctx, ctx->inbound.fd, buffer, size);
}
