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/*******************************************************************************
* Copyright (c) 2007, 2010 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
/*
* Implements IP interface list.
*/
#include <config.h>
#include <stddef.h>
#include <errno.h>
#include <assert.h>
#include <framework/ip_ifc.h>
#include <framework/myalloc.h>
#include <framework/events.h>
#include <framework/errors.h>
#include <framework/trace.h>
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#if !defined(WIN32) && !defined(ifr_netmask)
# define ifr_netmask ifr_addr
#endif
int build_ifclist(int sock, int max, ip_ifc_info * list) {
#ifdef WIN32
int i;
int ind;
MIB_IPADDRTABLE * info;
ULONG out_buf_len;
DWORD ret_val;
out_buf_len = sizeof *info;
info = (MIB_IPADDRTABLE *)loc_alloc(out_buf_len);
ret_val = GetIpAddrTable(info, &out_buf_len, 0);
if (ret_val == ERROR_INSUFFICIENT_BUFFER) {
loc_free(info);
info = (MIB_IPADDRTABLE *)loc_alloc(out_buf_len);
ret_val = GetIpAddrTable(info, &out_buf_len, 0);
}
if (ret_val != NO_ERROR) {
trace(LOG_ALWAYS, "GetIpAddrTable() error: %d", ret_val);
loc_free(info);
return 0;
}
ind = 0;
for (i = 0; i < (int)info->dwNumEntries && ind < max; i++) {
list[ind].addr = info->table[i].dwAddr;
if (list[ind].addr == 0) continue;
list[ind].mask = info->table[i].dwMask;
ind++;
}
loc_free(info);
#elif defined(__SYMBIAN32__)
int ind = 0;
ip_ifc_info* info = get_ip_ifc();
if (info) {
trace(LOG_ALWAYS,"The IP address is %d.%d.%d.%d",
(info->addr >> 24) & 0xff,
(info->addr >> 16) & 0xff,
(info->addr >> 8) & 0xff,
info->addr & 0xff
);
list[ind++] = *info;
}
#else
int ind;
char * cp;
struct ifconf ifc;
char if_bbf[0x2000];
memset(&ifc, 0, sizeof ifc);
ifc.ifc_len = sizeof if_bbf;
ifc.ifc_buf = if_bbf;
if (ioctl(sock, SIOCGIFCONF, &ifc) < 0) {
trace(LOG_ALWAYS, "error: ioctl(SIOCGIFCONF) returned %d: %s", errno, errno_to_str(errno));
return 0;
}
ind = 0;
cp = (char *)ifc.ifc_req;
while (cp < (char *)ifc.ifc_req + ifc.ifc_len && ind < max) {
struct ifreq * ifreq_addr = (struct ifreq *)cp;
struct ifreq ifreq_mask = *ifreq_addr;
size_t size = sizeof(struct ifreq);
/* BSD systems allow sockaddrs to be longer than their sizeof */
if (SA_LEN(&ifreq_addr->ifr_addr) > sizeof(ifreq_addr->ifr_addr))
size += SA_LEN(&ifreq_addr->ifr_addr) - sizeof(ifreq_addr->ifr_addr);
cp += size;
if (ifreq_addr->ifr_addr.sa_family != AF_INET) continue;
if (ioctl(sock, SIOCGIFNETMASK, &ifreq_mask) < 0) {
trace(LOG_ALWAYS, "error: ioctl(SIOCGIFNETMASK) returned %d: %s", errno, errno_to_str(errno));
continue;
}
list[ind].addr = ((struct sockaddr_in *)&ifreq_addr->ifr_addr)->sin_addr.s_addr;
list[ind].mask = ((struct sockaddr_in *)&ifreq_mask.ifr_netmask)->sin_addr.s_addr;
ind++;
}
#endif
return ind;
}
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