int
_assuan_sock_get_nonce (assuan_context_t ctx, struct sockaddr *addr,
int addrlen, assuan_sock_nonce_t *nonce)
{
#ifdef HAVE_W32_SYSTEM
if (addr->sa_family == AF_LOCAL || addr->sa_family == AF_UNIX)
{
struct sockaddr_un *unaddr;
unsigned short port;
if (sizeof nonce->nonce != 16)
{
gpg_err_set_errno (EINVAL);
return -1;
}
nonce->length = 16;
unaddr = (struct sockaddr_un *)addr;
if (read_port_and_nonce (unaddr->sun_path, &port, nonce->nonce))
return -1;
}
else
{
nonce->length = 42; /* Arbitrary value to detect unitialized nonce. */
nonce->nonce[0] = 42;
}
#else
(void)addr;
(void)addrlen;
nonce->length = 0;
#endif
return 0;
}
int
_assuan_sock_connect (assuan_fd_t sockfd, struct sockaddr *addr, int addrlen)
{
#ifdef HAVE_W32_SYSTEM
if (addr->sa_family == AF_LOCAL || addr->sa_family == AF_UNIX)
{
struct sockaddr_in myaddr;
struct sockaddr_un *unaddr;
unsigned short port;
char nonce[16];
int ret;
unaddr = (struct sockaddr_un *)addr;
if (read_port_and_nonce (unaddr->sun_path, &port, nonce))
return -1;
myaddr.sin_family = AF_INET;
myaddr.sin_port = htons (port);
myaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
/* Set return values. */
unaddr->sun_family = myaddr.sin_family;
unaddr->sun_port = myaddr.sin_port;
unaddr->sun_addr.s_addr = myaddr.sin_addr.s_addr;
ret = connect (HANDLE2SOCKET(sockfd),
(struct sockaddr *)&myaddr, sizeof myaddr);
if (!ret)
{
/* Send the nonce. */
ret = _assuan_io_write (sockfd, nonce, 16);
if (ret >= 0 && ret != 16)
{
errno = EIO;
ret = -1;
}
}
return ret;
}
else
{
int res;
res = connect (HANDLE2SOCKET (sockfd), addr, addrlen);
if (res < 0)
errno = _assuan_sock_wsa2errno (WSAGetLastError ());
return res;
}
#else
return connect (sockfd, addr, addrlen);
#endif
}
int
_w32_sock_connect (int sockfd, struct sockaddr *addr, int addrlen)
{
struct sockaddr_in myaddr;
struct sockaddr_un *unaddr;
unsigned short port;
char nonce[16];
int ret;
(void)addrlen;
unaddr = (struct sockaddr_un *)addr;
if (read_port_and_nonce (unaddr->sun_path, &port, nonce))
return -1;
myaddr.sin_family = AF_INET;
myaddr.sin_port = htons (port);
myaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
/* Set return values. */
unaddr->sun_family = myaddr.sin_family;
unaddr->sun_port = myaddr.sin_port;
unaddr->sun_addr.s_addr = myaddr.sin_addr.s_addr;
ret = connect (sockfd, (struct sockaddr *)&myaddr, sizeof myaddr);
if (!ret)
{
/* Send the nonce. */
ret = send (sockfd, nonce, 16, 0);
if (ret >= 0 && ret != 16)
{
gpg_err_set_errno (EIO);
ret = -1;
}
}
return ret;
}