/**
* Child resolved name
*
* @v mux Name resolution multiplexer
* @v sa Completed socket address
*/
static void resmux_child_resolv_done ( struct resolv_mux *mux,
struct sockaddr *sa ) {
DBGC ( mux, "RESOLV %p resolved \"%s\" to %s using method %s\n",
mux, mux->name, sock_ntoa ( sa ), mux->resolver->name );
/* Pass resolution to parent */
resolv_done ( &mux->parent, sa );
}
MODULE signal_connection_failed (THREAD *thread)
{
tcb = thread-> tcb; /* Point to thread's context */
sendfmt (&operq, "ERROR", "smtftpd: could not connect to %s:%d",
sock_ntoa (htonl (tcb-> data_host)),
tcb-> data_port);
SEND (&tcb-> reply_to, "FTPD_ERROR", "");
}
/**
* Display ping result
*
* @v src Source socket address, or NULL
* @v sequence Sequence number
* @v len Payload length
* @v rc Status code
*/
static void ping_callback ( struct sockaddr *peer, unsigned int sequence,
size_t len, int rc ) {
/* Display ping response */
printf ( "%zd bytes from %s: seq=%d",
len, ( peer ? sock_ntoa ( peer ) : "<none>" ), sequence );
if ( rc != 0 )
printf ( ": %s", strerror ( rc ) );
printf ( "\n" );
}
/**
* Construct TFTP URI from server address and filename
*
* @v sa_server Server address
* @v filename Filename
* @ret uri URI, or NULL on failure
*/
static struct uri * tftp_uri ( struct sockaddr *sa_server,
const char *filename ) {
struct sockaddr_tcpip *st_server =
( ( struct sockaddr_tcpip * ) sa_server );
char buf[ 6 /* "65535" + NUL */ ];
char *path;
struct uri tmp;
struct uri *uri = NULL;
/* Initialise TFTP URI */
memset ( &tmp, 0, sizeof ( tmp ) );
tmp.scheme = "tftp";
/* Construct TFTP server address */
tmp.host = sock_ntoa ( sa_server );
if ( ! tmp.host )
goto err_host;
/* Construct TFTP server port, if applicable */
if ( st_server->st_port ) {
snprintf ( buf, sizeof ( buf ), "%d",
ntohs ( st_server->st_port ) );
tmp.port = buf;
}
/* Construct TFTP path */
if ( asprintf ( &path, "/%s", filename ) < 0 )
goto err_path;
tmp.path = path;
/* Demangle URI */
uri = uri_dup ( &tmp );
if ( ! uri )
goto err_uri;
err_uri:
free ( path );
err_path:
err_host:
return uri;
}
