/*
 ******************************************************************************
 *                     INTERPEAK SOURCE FILE
 *
 *   Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: iplite_cmd_route.c,v $ $Revision: 1.17.24.1 $
 *   $Source: /home/interpeak/CVSRoot/iplite2/src/iplite_cmd_route.c,v $
 *   $Author: hxie $
 *   $State: Exp $ $Locker:  $
 *
 *   INTERPEAK_COPYRIGHT_STRING
 *   Design and implementation by Lennart Bang <lob@interpeak.se>
 ******************************************************************************
 */


/*
 ****************************************************************************
 * 1                    DESCRIPTION
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 2                    CONFIGURATION
 ****************************************************************************
 */

#ifdef IPCOM_KERNEL
#undef IPCOM_KERNEL
#endif
#include "iplite_config.h"


/*
 ****************************************************************************
 * 3                    INCLUDE FILES
 ****************************************************************************
 */

#define IPCOM_USE_CLIB_PROTO
#include <ipcom_clib.h>
#include <ipcom_sock.h>
#include <ipcom_sock6.h>
#include <ipcom_inet.h>


/*
 ****************************************************************************
 * 4                    DEFINES
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 5                    TYPES
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 6                    EXTERN PROTOTYPES
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 7                    LOCAL PROTOTYPES
 ****************************************************************************
 */

IP_PUBLIC int iplite_cmd_route(int argc, char **argv);


/*
 ****************************************************************************
 * 8                    DATA
 ****************************************************************************
 */


/*
 ****************************************************************************
 * 9                    STATIC FUNCTIONS
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 10                   PUBLIC FUNCTIONS
 ****************************************************************************
 */


/*
 *===========================================================================
 *                    iplite_cmd_route
 *===========================================================================
 * Description: The entry point for the 'route' shell command.
 * Parameters:
 * Returns:
 *
 */
IP_PUBLIC int
iplite_cmd_route(int argc, char **argv)
{
    char   addrstr[46];
#ifdef IPCOM_USE_INET6
    union Ip_sockaddr_union  sau;
#endif
    Ip_fd  sock = IP_INVALID_SOCKET;
    int    ret = 0;

    if (argc < 2)
    {
        /* Usage */
    usage:
        ipcom_printf("NAME" IP_LF
                     "     route - manually manipulate the default gateway(s)" IP_LF
                     "" IP_LF
                     "SYNOPSIS" IP_LF
                     "     route <command> [new gateway]" IP_LF
                     "" IP_LF);
        ipcom_printf("DESCRIPTION" IP_LF
                     "     Although IPLITE does not have a routing table it supports the notion" IP_LF
                     "     of default gateways (one for IPv4 and one for IPv6). Consequently, the" IP_LF
                     "     IPLITE route shell command can only be used to display or modify the" IP_LF
                     "     default gateway(s)."IP_LF
                     "" IP_LF);
        ipcom_printf("COMMANDS" IP_LF
                     "     The route utility provides the following commands:" IP_LF
                     "     get      Get IPv4 gateway." IP_LF
                     "     set      Set IPv4 gateway." IP_LF
                     "     get6     Get IPv6 gateway." IP_LF
                     "     set6     Set IPv6 gateway." IP_LF
                     "" IP_LF);
        ipcom_printf("EXAMPLES" IP_LF
                     "     (1) Set default IPv4 gateway to 10.1.1.1: " IP_LF
                     "         > route set 10.1.1.1" IP_LF
                     "     (2) Get default IPv6 gateway: " IP_LF
                     "         > route get6" IP_LF
                     "" IP_LF);
        goto out;
    }

#ifdef IP_PORT_VXWORKS
#ifdef IPCOM_USE_INET
    sock = ipcom_socket(IP_AF_INET, IP_SOCK_DGRAM, 0);
#else
    sock = ipcom_socket(IP_AF_INET6, IP_SOCK_DGRAM, 0);
#endif
    if (sock == IP_INVALID_SOCKET)
    {
        ipcom_printf("route: ipcom_socket() failed: %s"IP_LF, ipcom_strerror(ipcom_errno));
        return 0;
    }
#endif /* IP_PORT_VXWORKS */

#ifdef IPCOM_USE_INET
    if (ipcom_strcmp(argv[1], "get") == 0)
    {
        struct Ip_ortentry     ort;
        if (ipcom_socketioctl(sock, IP_SIOCXGETRT, &ort) == 0)
        {
            (void)ipcom_inet_ntop(IP_AF_INET,
                                  &((struct Ip_sockaddr_in *)&ort.rt_gateway)->sin_addr,
                                  addrstr, sizeof(addrstr));
            ipcom_printf("IPv4 default gateway: %s"IP_LF, addrstr);
        }
        else
            ipcom_printf("route: ioctl(IP_SIOCXGETRT) failed: %s"IP_LF, ipcom_strerror(ipcom_errno));
        goto out;
    }

    if (ipcom_strcmp(argv[1], "set") == 0 && argc > 2)
    {
        struct Ip_ortentry     ort;
        if(ipcom_getsockaddrbyaddr(IP_AF_INET, argv[2], &ort.rt_gateway) != 0)
        {
            ipcom_printf("route: invalid IPv4 gateway: '%s'"IP_LF, argv[2]);
            ret = -1;
            goto out;
        }
        (void)ipcom_socketioctl(sock, IP_SIOCADDRT, &ort);
        ipcom_printf("route: ok"IP_LF);
        goto out;
    }
#endif /* IPCOM_USE_INET */

#ifdef IPCOM_USE_INET6
    if (ipcom_strcmp(argv[1], "get6") == 0)
    {
        (void)ipcom_socketioctl(sock, IP_SIOCXGETGW_IN6, &sau.sin6);
        (void)ipcom_inet_ntop(IP_AF_INET6, &sau.sin6.sin6_addr, addrstr, sizeof(addrstr));
        ipcom_printf("IPv6 default gateway: %s", addrstr);
        if (IP_IN6_IS_ADDR_LINK_LOCAL(&sau.sin6.sin6_addr))
            ipcom_printf("%%%s"IP_LF, ipcom_if_indextoname(sau.sin6.sin6_scope_id, addrstr));
        else
            ipcom_printf(IP_LF);
        goto out;
    }

    if (ipcom_strcmp(argv[1], "set6") == 0 && argc > 2)
    {
        if(ipcom_getsockaddrbyaddr(IP_AF_INET6, argv[2], &sau.sa) != 0)
        {
            ipcom_printf("route: invalid IPv6 gateway: '%s'"IP_LF, argv[2]);
            ret = -1;
            goto out;
        }
        (void)ipcom_socketioctl(sock, IP_SIOCXSETGW_IN6, &sau.sin6);
        ipcom_printf("route: ok"IP_LF);
        goto out;
    }
#endif /* IPCOM_USE_INET6 */

    goto usage;

out:
#ifdef IP_PORT_VXWORKS
    if (sock != IP_INVALID_SOCKET)
    {
        ipcom_socketclose(sock);
        sock = IP_INVALID_SOCKET;
    }
#endif

    return ret;
}


/*
 ****************************************************************************
 *                      END OF FILE
 ****************************************************************************
 */