/*
* HardInfo - Displays System Information
* Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@linuxmag.com.br>
*
* 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
static gchar *network_interfaces = NULL,
*network_icons = NULL;
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <linux/sockios.h>
#include <sys/socket.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h> /* for strncpy */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
typedef struct _NetInfo NetInfo;
struct _NetInfo {
char name[16];
int mtu;
unsigned char mac[8];
char ip[16];
char mask[16];
char broadcast[16];
};
void get_net_info(char *if_name, NetInfo *netinfo)
{
struct ifreq ifr;
int fd;
fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
/* IPv4 */
ifr.ifr_addr.sa_family = AF_INET;
strcpy(netinfo->name, if_name);
/* MTU */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFMTU, &ifr) < 0) {
netinfo->mtu = 0;
} else {
netinfo->mtu = ifr.ifr_mtu;
}
/* HW Address */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFHWADDR, &ifr) < 0) {
memset(netinfo->mac, 0, 8);
} else {
memcpy(netinfo->mac, ifr.ifr_ifru.ifru_hwaddr.sa_data, 8);
}
/* IP Address */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFADDR, &ifr) < 0) {
netinfo->ip[0] = 0;
} else {
sprintf(netinfo->ip, "%s", inet_ntoa(((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr));
}
/* Mask Address */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFNETMASK, &ifr) < 0) {
netinfo->mask[0] = 0;
} else {
sprintf(netinfo->mask, "%s", inet_ntoa(((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr));
}
/* Broadcast Address */
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFBRDADDR, &ifr) < 0) {
netinfo->broadcast[0] = 0;
} else {
sprintf(netinfo->broadcast, "%s", inet_ntoa(((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr));
}
shutdown(fd, 0);
}
static struct {
char *type;
char *label;
char *icon;
} netdev2type[] = {
{ "eth", "Ethernet", "network" },
{ "lo", "Loopback", "network-generic" },
{ "ppp", "Point-to-Point", "modem" },
{ "ath", "Wireless", "wireless" },
{ "wlan", "Wireless", "wireless" },
{ "tun", "Virtual Point-to-Point (TUN)", "network-generic" },
{ "tap", "Ethernet (TAP)", "network-generic" },
{ "plip", "Parallel Line Internet Protocol", "network" },
{ "irlan", "Infrared", "network-generic" },
{ "slip", "Serial Line Internet Protocol", "network-generic" },
{ "isdn", "Integrated Services Digital Network", "modem" },
{ "sit", "IPv6-over-IPv4 Tunnel", "network-generic" },
{ "vmnet8", "VMWare Virtual Network Interface (NAT)", "computer" },
{ "vmnet", "VMWare Virtual Network Interface", "computer"},
{ NULL, "Unknown", "network-generic" },
};
static void
net_get_iface_type(gchar *name, gchar **type, gchar **icon)
{
int i;
for (i = 0; netdev2type[i].type; i++) {
if (g_str_has_prefix(name, netdev2type[i].type))
break;
}
*type = netdev2type[i].label;
*icon = netdev2type[i].icon;
}
static gboolean
remove_net_devices(gpointer key, gpointer value, gpointer data)
{
return g_str_has_prefix(key, "NET");
}
static void
scan_net_interfaces_24(void)
{
FILE *proc_net;
NetInfo ni;
gchar buffer[256];
gchar *devid, *detailed;
gulong recv_bytes;
gulong recv_errors;
gulong recv_packets;
gulong trans_bytes;
gulong trans_errors;
gulong trans_packets;
if (!g_file_test("/proc/net/dev", G_FILE_TEST_EXISTS)) {
if (network_interfaces) {
g_free(network_interfaces);
network_interfaces = g_strdup("[Network Interfaces]\n"
"None found=\n");
}
return;
}
if (network_interfaces) {
g_free(network_interfaces);
}
if (network_icons) {
g_free(network_icons);
}
network_interfaces = g_strdup("[Network Interfaces]\n");
network_icons = g_strdup("");
proc_net = fopen("/proc/net/dev", "r");
while (fgets(buffer, 256, proc_net)) {
if (strchr(buffer, ':')) {
gint trash;
gchar ifacename[16];
gchar *buf = buffer;
gchar *iface_type, *iface_icon, *ip;
gint i;
buf = g_strstrip(buf);
memset(ifacename, 0, 16);
for (i = 0; buffer[i] != ':' && i < 16; i++) {
ifacename[i] = buffer[i];
}
buf = strchr(buf, ':') + 1;
/* iface: bytes packets errs drop fifo frame compressed multicast */
sscanf(buf, "%ld %ld %ld %d %d %d %d %d %ld %ld %ld",
&recv_bytes, &recv_packets,
&recv_errors, &trash, &trash, &trash, &trash,
&trash, &trans_bytes, &trans_packets,
&trans_errors);
gfloat recv_mb = recv_bytes / 1048576.0;
gfloat trans_mb = trans_bytes / 1048576.0;
get_net_info(ifacename, &ni);
devid = g_strdup_printf("NET%s", ifacename);
ip = g_strdup_printf(" (%s)", ni.ip);
network_interfaces = h_strdup_cprintf("$%s$%s=Sent %.2fMiB, received %.2fMiB%s\n",
network_interfaces,
devid,
ifacename,
trans_mb,
recv_mb,
ni.ip[0] ? ip: "");
g_free(ip);
net_get_iface_type(ifacename, &iface_type, &iface_icon);
network_icons = h_strdup_cprintf("Icon$%s$%s=%s.png\n",
network_icons, devid,
ifacename, iface_icon);
detailed = g_strdup_printf("[Network Adapter Properties]\n"
"Interface Type=%s\n"
"Hardware Address (MAC)=%02x:%02x:%02x:%02x:%02x:%02x\n"
"MTU=%d\n"
"[Transfer Details]\n"
"Bytes Received=%ld (%.2fMiB)\n"
"Bytes Sent=%ld (%.2fMiB)\n",
iface_type,
ni.mac[0], ni.mac[1],
ni.mac[2], ni.mac[3],
ni.mac[4], ni.mac[5],
ni.mtu,
recv_bytes, recv_mb,
trans_bytes, trans_mb);
if (ni.ip[0] || ni.mask[0] || ni.broadcast[0]) {
detailed = h_strdup_cprintf("\n[Internet Protocol (IPv4)]\n"
"IP Address=%s\n"
"Mask=%s\n"
"Broadcast Address=%s\n",
detailed,
ni.ip[0] ? ni.ip : "Not set",
ni.mask[0] ? ni.mask : "Not set",
ni.broadcast[0] ? ni.broadcast : "Not set");
}
g_hash_table_insert(moreinfo, devid, detailed);
}
}
fclose(proc_net);
}
static void
scan_net_interfaces(void)
{
/* FIXME: See if we're running Linux 2.6 and if /sys is mounted, then use
that instead of /proc/net/dev */
/* remove old devices from global device table */
g_hash_table_foreach_remove(moreinfo, remove_net_devices, NULL);
scan_net_interfaces_24();
}