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// $Id: interface-add.c,v 1.2 2004/08/19 16:06:37 ensc Exp $ --*- c -*--
// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.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; version 2 of the License.
//
// 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.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "interface.h"
#include "pathconfig.h"
#include <lib_internal/command.h>
#include <lib_internal/util.h>
#include <ensc_fmt/fmt.h>
#include <netinet/in.h>
#include <arpa/inet.h>
unsigned int
Iface_getIPv4Prefix(struct Interface const *iface)
{
uint32_t mask = iface->addr.ipv4.mask;
unsigned int res = 0;
while (mask!=0) {
res += mask & 1;
mask >>= 1;
}
return res;
}
static bool
invokeIpAddr(struct Interface const *iface)
{
struct Command cmd;
unsigned int prefix = Iface_getIPv4Prefix(iface);
char * tmp = inet_ntoa(*reinterpret_cast(struct in_addr *)(&iface->addr.ipv4.ip));
size_t l = strlen(tmp);
char addr[l + sizeof("/") + sizeof(unsigned int)*3 + 1];
char * ptr;
size_t l1 = strlen(iface->dev);
size_t l2 = iface->name ? strlen(iface->name) : 0;
char devlabel[l1 + l2 + sizeof(":")];
bool result = true;
ptr = Xmemcpy(addr, tmp, l);
*ptr++ = '/';
l = utilvserver_fmt_uint(ptr, prefix);
ptr[l] = '\0';
Command_init(&cmd);
size_t idx = 6;
char const * argv[] = {
"/bin/echo",
PROG_IP, "addr", "add",
addr,
"broadcast", 0,
0, 0, // label <name>
0, 0, // dev <dev>
0
};
if (iface->addr.ipv4.bcast!=0)
argv[idx++] = inet_ntoa(*reinterpret_cast(struct in_addr *)(&iface->addr.ipv4.bcast));
else
argv[idx++] = "+";
if (iface->name) {
ptr = Xmemcpy(devlabel, iface->dev, l1);
*ptr++ = ':';
ptr = Xmemcpy(ptr, iface->name, l2);
*ptr = '\0';
argv[idx++] = "label";
argv[idx++] = devlabel;
}
argv[idx++] = "dev";
argv[idx++] = iface->dev;
Command_setParams(&cmd, argv);
if (!Command_exec(&cmd, true) ||
!Command_wait(&cmd, true) ||
cmd.rc!=0)
result = false;
Command_free(&cmd);
return result;
}
static bool
addVLAN(struct Interface const *iface)
{
abort(); // TODO: implement me
}
static bool
addIndirect(struct Interface const *iface)
{
abort(); // TODO: implement me
}
static bool
addIP(struct Interface const *iface)
{
return invokeIpAddr(iface);
//invokeIpLink(iface);
}
bool
Iface_add(struct Interface const *iface)
{
if (iface->nodev) return true;
if (strchr(iface->dev, '.')!=0) return addVLAN(iface);
if (!iface->direct) return addIndirect(iface);
return addIP(iface);
}
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