SZS v2.18a

1 files changed, 171 insertions, 0 deletions

diff --git a/project/dclib/dclib-network-linux.h b/project/dclib/dclib-network-linux.h
new file mode 100644
index 0000000..fc09ed8
--- /dev/null
+++ b/project/dclib/dclib-network-linux.h
@@ -0,0 +1,171 @@
+
+/***************************************************************************
+ *                                                                         *
+ *                     _____     ____                                      *
+ *                    |  __ \   / __ \   _     _ _____                     *
+ *                    | |  \ \ / /  \_\ | |   | |  _  \                    *
+ *                    | |   \ \| |      | |   | | |_| |                    *
+ *                    | |   | || |      | |   | |  ___/                    *
+ *                    | |   / /| |   __ | |   | |  _  \                    *
+ *                    | |__/ / \ \__/ / | |___| | |_| |                    *
+ *                    |_____/   \____/  |_____|_|_____/                    *
+ *                                                                         *
+ *                       Wiimms source code library                        *
+ *                                                                         *
+ ***************************************************************************
+ *                                                                         *
+ *        Copyright (c) 2012-2020 by Dirk Clemens <wiimm@wiimm.de>         *
+ *                                                                         *
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   See file gpl-2.0.txt or http://www.gnu.org/licenses/gpl-2.0.txt       *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef DCLIB_NETWORK_LINUX_H
+#define DCLIB_NETWORK_LINUX_H 1
+
+#ifndef DCLIB_NETWORK_H
+  #include "dclib-network.h"
+#endif
+
+//
+///////////////////////////////////////////////////////////////////////////////
+///////////////			IP interface			///////////////
+///////////////////////////////////////////////////////////////////////////////
+
+enumError SendRawUDP
+(
+    // Capability CAP_NET_RAW needed (or effective user ID of 0).
+
+    int		sock,		// RAW socket to use,
+				// if -1: open and close private socket
+
+    ccp		send_addr,	// NULL or sender address:port
+    u32		send_ip4,	// fall back IP4, if 'send_addr' empty
+    u16		send_port,	// default sender port
+
+    ccp		recv_addr,	// NULL or receiver address:port
+    u32		recv_ip4,	// fall back IP4, if 'recv_addr' empty
+    u16		recv_port,	// default receiver port
+
+    const void	*data,		// data to send
+    uint	size,		// size of 'data'
+    uint	log_mode	// 0:silent, >0:print errors,
+				// >=0x10: hexdump data, 'lmode' bytes max
+);
+
+//-----------------------------------------------------------------------------
+
+enumError SendRawUDPsa
+(
+    // Capability CAP_NET_RAW needed (or effective user ID of 0).
+
+    int			sock,		// RAW socket to use,
+					// if -1: open and close private socket
+
+    struct sockaddr_in	*sa_send,	// sockaddr of sender
+    struct sockaddr_in	*sa_recv,	// sockaddr of receiver
+
+    const void		*data,		// data to send
+    uint		size,		// size of 'data'
+    uint		log_mode	// 0:silent, >0:print errors,
+					// >=0x10: hexdump data, 'lmode' bytes max
+);
+
+//-----------------------------------------------------------------------------
+
+uint SetupRawUDPsa
+(
+    // returns total packet len (mabe with limited 'size')
+
+    udp_packet_t	*pkt,		// paket header to setup (cleared and written)
+
+    struct sockaddr_in	*sa_send,	// sockaddr of sender
+    struct sockaddr_in	*sa_recv,	// sockaddr of receiver
+    const void		*data,		// data to send
+    uint		size		// size of 'data'
+);
+
+//
+///////////////////////////////////////////////////////////////////////////////
+///////////////			Routing Support			///////////////
+///////////////////////////////////////////////////////////////////////////////
+// all IP4 in network byte order
+
+typedef struct RouteIP4_t
+{
+    //--- returned data
+
+    int	  index;	// entry index, starts with 0, incremented for each found
+			//  -1: invalid data
+
+    char  *iface;	// pointer into 'buf': interface name
+    u32	  dest;		// destination address, network byte order
+    u32	  mask;		// destination network mask, network byte order
+    u32	  gate;		// gateway address, network byte order
+    u32	  flags;	// routing flags
+
+    //--- internal data
+
+    FILE  *f;		// open file
+    uint  col_iface;	// column index for 'iface'
+    uint  col_dest;	// column index for 'dest'
+    uint  col_mask;	// column index for 'mask'
+    uint  col_gate;	// column index for 'gate'
+    uint  col_flags;	// column index for 'flags'
+    char  buf[200];	// line buffer for /proc/net/route
+}
+RouteIP4_t;
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool OpenRouteScanIP4
+(
+    // returns TRUE on success and FALSE if no element is found
+    RouteIP4_t	*rt	// valid data, will be initialized
+);
+
+bool NextRouteScanIP4
+(
+    // returns TRUE on success and FALSE if no more element is found
+    RouteIP4_t	*rt	// valid data
+);
+
+void CloseRouteScanIP4
+(
+    RouteIP4_t	*rt	// valid data
+);
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool FindGatewayIP4
+(
+			// returns TRUE if gateway found
+    RouteIP4_t	*rt,	// valid data, will be initialized
+    u32		ip4	// search gateway for this address (network byte order)
+);
+
+u32 GetIP4ByInterface
+(			// return 0 or IP4 in network byte order
+    ccp		iface	// interface name. If NULL: Use default gateway
+);
+
+//
+///////////////////////////////////////////////////////////////////////////////
+///////////////			    E N D			///////////////
+///////////////////////////////////////////////////////////////////////////////
+
+#endif // DCLIB_NETWORK_LINUX_H
+
+