void
Setting::ReadConfiguration()
{
ifreq request;
if (!_PrepareRequest(request))
return;
BString text = "dummy";
char address[32];
sockaddr_in* inetAddress = NULL;
// Obtain IP.
if (ioctl(fSocket, SIOCGIFADDR, &request, sizeof(request)) < 0)
return;
inetAddress = (sockaddr_in*)&request.ifr_addr;
if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
sizeof(address)) == NULL) {
return;
}
fIP = address;
// Obtain netmask.
if (ioctl(fSocket, SIOCGIFNETMASK, &request,
sizeof(request)) < 0) {
return;
}
inetAddress = (sockaddr_in*)&request.ifr_mask;
if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
sizeof(address)) == NULL) {
return;
}
fNetmask = address;
// Obtain gateway
ifconf config;
config.ifc_len = sizeof(config.ifc_value);
if (ioctl(fSocket, SIOCGRTSIZE, &config, sizeof(struct ifconf)) < 0)
return;
uint32 size = (uint32)config.ifc_value;
if (size == 0)
return;
void *buffer = malloc(size);
if (buffer == NULL)
return;
MemoryDeleter bufferDeleter(buffer);
config.ifc_len = size;
config.ifc_buf = buffer;
if (ioctl(fSocket, SIOCGRTTABLE, &config, sizeof(struct ifconf)) < 0)
return;
ifreq *interface = (ifreq *)buffer;
ifreq *end = (ifreq *)((uint8 *)buffer + size);
while (interface < end) {
route_entry& route = interface->ifr_route;
if (route.flags & RTF_GATEWAY) {
inetAddress = (sockaddr_in*)route.gateway;
fGateway = inet_ntoa(inetAddress->sin_addr);
}
int32 addressSize = 0;
if (route.destination != NULL)
addressSize += route.destination->sa_len;
if (route.mask != NULL)
addressSize += route.mask->sa_len;
if (route.gateway != NULL)
addressSize += route.gateway->sa_len;
interface = (ifreq *)((addr_t)interface +
IF_NAMESIZE + sizeof(route_entry) + addressSize);
}
uint32 flags = 0;
if (ioctl(fSocket, SIOCGIFFLAGS, &request, sizeof(struct ifreq)) == 0)
flags = request.ifr_flags;
fAuto = flags & IFF_AUTO_CONFIGURED;
if (ioctl(fSocket, SIOCGIFMEDIA, &request, sizeof(struct ifreq)) == 0)
fMedia = request.ifr_media;
// read resolv.conf for the dns.
fNameservers.MakeEmpty();
#define MATCH(line, name) \
(!strncmp(line, name, sizeof(name) - 1) && \
(line[sizeof(name) - 1] == ' ' || \
line[sizeof(name) - 1] == '\t'))
register FILE *fp = fopen("/etc/resolv.conf", "r");
if (fp == NULL) {
fprintf(stderr, "failed to open '/etc/resolv.conf' to "
"read nameservers: %s\n", strerror(errno));
return;
}
int nserv = 0;
char buf[1024];
register char *cp; //, **pp;
// register int n;
int MAXNS = 2;
// read the config file
while (fgets(buf, sizeof(buf), fp) != NULL) {
// skip comments
if (*buf == ';' || *buf == '#')
continue;
// read nameservers to query
if (MATCH(buf, "nameserver") && nserv < MAXNS) {
// char sbuf[2];
cp = buf + sizeof("nameserver") - 1;
while (*cp == ' ' || *cp == '\t')
cp++;
cp[strcspn(cp, ";# \t\n")] = '\0';
if ((*cp != '\0') && (*cp != '\n')) {
fNameservers.AddItem(new BString(cp));
nserv++;
}
}
continue;
}
fclose(fp);
}
void
Setting::ReadConfiguration()
{
ifreq request;
if (!_PrepareRequest(request))
return;
BString text = "dummy";
char address[32];
sockaddr_in* inetAddress = NULL;
// Obtain IP.
if (ioctl(fSocket, SIOCGIFADDR, &request, sizeof(request)) < 0)
return;
inetAddress = (sockaddr_in*)&request.ifr_addr;
if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
sizeof(address)) == NULL) {
return;
}
fIP = address;
// Obtain netmask.
if (ioctl(fSocket, SIOCGIFNETMASK, &request,
sizeof(request)) < 0) {
return;
}
inetAddress = (sockaddr_in*)&request.ifr_mask;
if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
sizeof(address)) == NULL) {
return;
}
fNetmask = address;
// Obtain gateway
ifconf config;
config.ifc_len = sizeof(config.ifc_value);
if (ioctl(fSocket, SIOCGRTSIZE, &config, sizeof(struct ifconf)) < 0)
return;
uint32 size = (uint32)config.ifc_value;
if (size == 0)
return;
void *buffer = malloc(size);
if (buffer == NULL)
return;
MemoryDeleter bufferDeleter(buffer);
config.ifc_len = size;
config.ifc_buf = buffer;
if (ioctl(fSocket, SIOCGRTTABLE, &config, sizeof(struct ifconf)) < 0)
return;
ifreq *interface = (ifreq *)buffer;
ifreq *end = (ifreq *)((uint8 *)buffer + size);
while (interface < end) {
route_entry& route = interface->ifr_route;
if (route.flags & RTF_GATEWAY) {
inetAddress = (sockaddr_in*)route.gateway;
fGateway = inet_ntoa(inetAddress->sin_addr);
}
int32 addressSize = 0;
if (route.destination != NULL)
addressSize += route.destination->sa_len;
if (route.mask != NULL)
addressSize += route.mask->sa_len;
if (route.gateway != NULL)
addressSize += route.gateway->sa_len;
interface = (ifreq *)((addr_t)interface + IF_NAMESIZE
+ sizeof(route_entry) + addressSize);
}
uint32 flags = 0;
if (ioctl(fSocket, SIOCGIFFLAGS, &request, sizeof(struct ifreq)) == 0)
flags = request.ifr_flags;
fAuto = (flags & IFF_AUTO_CONFIGURED) != 0;
fEnabled = (flags & IFF_UP) != 0;
if (ioctl(fSocket, SIOCGIFMEDIA, &request, sizeof(struct ifreq)) == 0)
fMedia = request.ifr_media;
// read resolv.conf for the dns.
fNameservers.MakeEmpty();
res_init();
res_state state = __res_state();
if (state != NULL) {
for (int i = 0; i < state->nscount; i++) {
fNameservers.AddItem(
new BString(inet_ntoa(state->nsaddr_list[i].sin_addr)));
}
}
}
void
NetworkStatusView::_ShowConfiguration(BMessage* message)
{
static const struct information_entry {
const char* label;
int32 control;
} kInformationEntries[] = {
{ B_TRANSLATE("Address"), SIOCGIFADDR },
{ B_TRANSLATE("Broadcast"), SIOCGIFBRDADDR },
{ B_TRANSLATE("Netmask"), SIOCGIFNETMASK },
{ NULL }
};
SocketOpener socket;
if (socket.InitCheck() != B_OK)
return;
const char* name;
if (message->FindString("interface", &name) != B_OK)
return;
ifreq request;
if (!_PrepareRequest(request, name))
return;
BString text(B_TRANSLATE("%ifaceName information:\n"));
text.ReplaceFirst("%ifaceName", name);
size_t boldLength = text.Length();
for (int i = 0; kInformationEntries[i].label; i++) {
if (ioctl(socket, kInformationEntries[i].control, &request,
sizeof(request)) < 0) {
continue;
}
char address[32];
sockaddr_in* inetAddress = NULL;
switch (kInformationEntries[i].control) {
case SIOCGIFNETMASK:
inetAddress = (sockaddr_in*)&request.ifr_mask;
break;
default:
inetAddress = (sockaddr_in*)&request.ifr_addr;
break;
}
if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
sizeof(address)) == NULL) {
return;
}
text << "\n" << kInformationEntries[i].label << ": " << address;
}
BAlert* alert = new BAlert(name, text.String(), B_TRANSLATE("OK"));
BTextView* view = alert->TextView();
BFont font;
view->SetStylable(true);
view->GetFont(&font);
font.SetFace(B_BOLD_FACE);
view->SetFontAndColor(0, boldLength, &font);
alert->Go(NULL);
}
