status_t
SocketConnection::Connect(const char* server, uint32 port)
{
if (fSocket >= 0)
Disconnect();
TRACE("SocketConnection to server %s:%i\n", server, (int)port);
BNetworkAddress address;
status_t status = address.SetTo(server, port);
if (status != B_OK)
return status;
fSocket = socket(address.Family(), SOCK_STREAM, 0);
if (fSocket < 0)
return errno;
int result = connect(fSocket, address, address.Length());
if (result < 0) {
close(fSocket);
return errno;
}
TRACE("SocketConnection: connected\n");
return B_OK;
}
status_t
BNetworkAddressResolver::GetNextAddress(int family, uint32* cookie,
BNetworkAddress& address) const
{
if (fStatus != B_OK)
return fStatus;
// Skip previous info entries, and those that have a non-matching family
addrinfo* info = fInfo;
int32 first = *cookie;
for (int32 index = 0; index < first && info != NULL; index++) {
while (info != NULL && info->ai_family != family)
info = info->ai_next;
}
if (info == NULL)
return B_BAD_VALUE;
// Return current
address.SetTo(*info->ai_addr, info->ai_addrlen);
(*cookie)++;
return B_OK;
}
status_t
SocketConnection::Connect(const char* server, uint32 port)
{
if (fSocket >= 0)
Disconnect();
TRACE("SocketConnection to server %s:%i\n", server, (int)port);
BNetworkAddress address;
status_t status = address.SetTo(server, port);
if (status != B_OK) {
TRACE("%s: Address Error: %s\n", __func__, strerror(status));
return status;
}
TRACE("Server resolves to %s\n", address.ToString().String());
fSocket = socket(address.Family(), SOCK_STREAM, 0);
if (fSocket < 0) {
TRACE("%s: Socket Error: %s\n", __func__, strerror(errno));
return errno;
}
int result = connect(fSocket, address, address.Length());
if (result < 0) {
TRACE("%s: Connect Error: %s\n", __func__, strerror(errno));
close(fSocket);
return errno;
}
TRACE("SocketConnection: connected\n");
return B_OK;
}
/*! Parses the \a argument as network \a address for the specified \a family.
If \a family is \c AF_UNSPEC, \a family will be overwritten with the family
of the successfully parsed address.
*/
bool
parse_address(int& family, const char* argument, BNetworkAddress& address)
{
if (argument == NULL)
return false;
status_t status = address.SetTo(family, argument, (uint16)0,
B_NO_ADDRESS_RESOLUTION);
if (status != B_OK)
return false;
if (family == AF_UNSPEC) {
// Test if we support the resulting address family
bool supported = false;
for (int32 i = 0; kFamilies[i].family >= 0; i++) {
if (kFamilies[i].family == address.Family()) {
supported = true;
break;
}
}
if (!supported)
return false;
// Take over family from address
family = address.Family();
}
return true;
}
status_t
BNetworkAddressResolver::GetNextAddress(uint32* cookie,
BNetworkAddress& address) const
{
if (fStatus != B_OK)
return fStatus;
// Skip previous info entries
addrinfo* info = fInfo;
int32 first = *cookie;
for (int32 index = 0; index < first && info != NULL; index++) {
info = info->ai_next;
}
if (info == NULL)
return B_BAD_VALUE;
// Return current
address.SetTo(*info->ai_addr, info->ai_addrlen);
(*cookie)++;
return B_OK;
}
bool
parse_address(int32 familyIndex, const char* argument, BNetworkAddress& address)
{
if (argument == NULL)
return false;
return address.SetTo(kFamilies[familyIndex].family, argument,
(uint16)0, B_NO_ADDRESS_RESOLUTION) == B_OK;
}
status_t
BNetworkDevice::GetHardwareAddress(BNetworkAddress& address)
{
ifreq request;
status_t status = do_request(request, Name(), SIOCGIFADDR);
if (status != B_OK)
return status;
address.SetTo(request.ifr_addr);
return B_OK;
}
void
IPAddressControl::_UpdateMark()
{
if (TextLength() == 0) {
MarkAsInvalid(!fAllowEmpty);
return;
}
BNetworkAddress address;
bool success = address.SetTo(fFamily, Text()) == B_OK;
MarkAsInvalid(!success);
}
void
IPAddressControl::_UpdateMark()
{
if (TextLength() == 0) {
MarkAsInvalid(!fAllowEmpty);
return;
}
BNetworkAddress address;
bool success = address.SetTo(fFamily, Text(), (char*)NULL,
B_NO_ADDRESS_RESOLUTION) == B_OK;
MarkAsInvalid(!success);
}
status_t
BNetworkInterface::GetDefaultRoute(int family, BNetworkAddress& gateway) const
{
BObjectList<route_entry> routes(1, true);
status_t status = GetRoutes(family, routes);
if (status != B_OK)
return status;
for (int32 i = routes.CountItems() - 1; i >= 0; i--) {
route_entry* entry = routes.ItemAt(i);
if (entry->flags & RTF_DEFAULT) {
gateway.SetTo(*entry->gateway);
break;
}
}
return B_OK;
}
status_t
BNetworkInterface::GetHardwareAddress(BNetworkAddress& address)
{
int socket = ::socket(AF_LINK, SOCK_DGRAM, 0);
if (socket < 0)
return errno;
FileDescriptorCloser closer(socket);
ifreq request;
strlcpy(request.ifr_name, Name(), IF_NAMESIZE);
if (ioctl(socket, SIOCGIFADDR, &request, sizeof(struct ifreq)) < 0)
return errno;
address.SetTo(request.ifr_addr);
return B_OK;
}
bool
configure_wireless(const char* name, char* const* args, int32 argCount)
{
enum {
NONE,
LIST,
JOIN,
LEAVE
} mode = NONE;
if (!strcmp(args[0], "list") || !strcmp(args[0], "scan"))
mode = LIST;
else if (!strcmp(args[0], "join"))
mode = JOIN;
else if (!strcmp(args[0], "leave"))
mode = LEAVE;
if (mode == NONE)
return false;
BNetworkDevice device(name);
if (!device.Exists()) {
fprintf(stderr, "%s: \"%s\" does not exist!\n", kProgramName, name);
exit(1);
}
if (!device.IsWireless()) {
fprintf(stderr, "%s: \"%s\" is not a WLAN device!\n", kProgramName,
name);
exit(1);
}
args++;
argCount--;
switch (mode) {
case LIST:
{
// list wireless network(s)
bool verbose = false;
if (argCount > 0 && !strcmp(args[0], "-v")) {
verbose = true;
args++;
argCount--;
}
show_wireless_network_header(verbose);
if (argCount > 0) {
// list the named entries
for (int32 i = 0; i < argCount; i++) {
wireless_network network;
BNetworkAddress link;
status_t status;
if (link.SetTo(AF_LINK, args[i]) == B_OK)
status = device.GetNetwork(link, network);
else
status = device.GetNetwork(args[i], network);
if (status != B_OK) {
fprintf(stderr, "%s: Getting network failed: %s\n",
kProgramName, strerror(status));
} else
show_wireless_network(network, verbose);
}
} else {
// list them all
wireless_network network;
uint32 cookie = 0;
while (device.GetNextNetwork(cookie, network) == B_OK)
show_wireless_network(network, verbose);
}
break;
}
case JOIN:
{
// join a wireless network
if (argCount > 2) {
fprintf(stderr, "usage: %s %s join <network> [<password>]\n",
kProgramName, name);
exit(1);
}
const char* password = NULL;
if (argCount == 2)
password = args[1];
BNetworkAddress link;
status_t status;
if (link.SetTo(AF_LINK, args[0]) == B_OK)
status = device.JoinNetwork(link, password);
else
status = device.JoinNetwork(args[0], password);
if (status != B_OK) {
fprintf(stderr, "%s: Joining network failed: %s\n",
kProgramName, strerror(status));
exit(1);
}
break;
}
case LEAVE:
{
// leave a wireless network
if (argCount != 1) {
fprintf(stderr, "usage: %s %s leave <network>\n", kProgramName,
name);
exit(1);
}
BNetworkAddress link;
status_t status;
if (link.SetTo(AF_LINK, args[0]) == B_OK)
status = device.LeaveNetwork(link);
else
status = device.LeaveNetwork(args[0]);
if (status != B_OK) {
fprintf(stderr, "%s: Leaving network failed: %s\n",
kProgramName, strerror(status));
exit(1);
}
break;
}
case NONE:
break;
}
return true;
}
int
main(int argc, char** argv)
{
if (argc < 2)
usage();
BNetworkDevice device(argv[1]);
if (!device.Exists()) {
fprintf(stderr, "\"%s\" does not exist!\n", argv[1]);
return 1;
}
if (!device.IsWireless()) {
fprintf(stderr, "\"%s\" is not a WLAN device!\n", argv[1]);
return 1;
}
if (argc > 2) {
if (!strcmp(argv[2], "join")) {
if (argc < 4)
usage();
const char* password = NULL;
if (argc == 5)
password = argv[4];
status_t status = device.JoinNetwork(argv[3], password);
if (status != B_OK) {
fprintf(stderr, "joining network failed: %s\n",
strerror(status));
return 1;
}
} else if (!strcmp(argv[2], "leave")) {
if (argc < 4)
usage();
status_t status = device.LeaveNetwork(argv[3]);
if (status != B_OK) {
fprintf(stderr, "leaving network failed: %s\n",
strerror(status));
return 1;
}
} else if (!strcmp(argv[2], "list")) {
if (argc == 4) {
// list the named entry
wireless_network network;
BNetworkAddress link;
status_t status = link.SetTo(AF_LINK, argv[3]);
if (status == B_OK)
status = device.GetNetwork(link, network);
else
status = device.GetNetwork(argv[3], network);
if (status != B_OK) {
fprintf(stderr, "getting network failed: %s\n",
strerror(status));
return 1;
}
show(network);
} else {
// list all
wireless_network network;
uint32 cookie = 0;
while (device.GetNextNetwork(cookie, network) == B_OK)
show(network);
}
} else
usage();
} else {
// show associated networks
wireless_network network;
uint32 cookie = 0;
while (device.GetNextAssociatedNetwork(cookie, network) == B_OK) {
show(network);
}
if (cookie == 0)
puts("no associated networks found.");
}
return 0;
}
void
list_routes(int socket, const char *interfaceName, route_entry &route)
{
// get a list of all routes
ifconf config;
config.ifc_len = sizeof(config.ifc_value);
if (ioctl(socket, SIOCGRTSIZE, &config, sizeof(struct ifconf)) < 0)
return;
uint32 size = (uint32)config.ifc_value;
if (size == 0)
return;
void *buffer = malloc(size);
if (buffer == NULL) {
fprintf(stderr, "%s: Out of memory.\n", kProgramName);
return;
}
config.ifc_len = size;
config.ifc_buf = buffer;
if (ioctl(socket, SIOCGRTTABLE, &config, sizeof(struct ifconf)) < 0)
return;
ifreq *interface = (ifreq*)buffer;
ifreq *end = (ifreq*)((uint8*)buffer + size);
// find family (we use the family of the first address as this is
// called on a socket for a single family)
const address_family *family = NULL;
for (int32 i = 0; kFamilies[i].family >= 0; i++) {
if (interface->ifr_route.destination->sa_family
== kFamilies[i].family) {
family = &kFamilies[i];
break;
}
}
int addressLength = family->maxAddressLength;
printf("%s routing table:\n", family->name);
if (family->preferredPrefixFormat == PREFIX_PREFER_NETMASK) {
printf("%*s %*s %*s Flags Interface\n", addressLength, "Destination",
addressLength, "Netmask", addressLength, "Gateway");
} else {
printf("%*s %*s Flags Interface\n", addressLength, "Destination",
addressLength, "Gateway");
}
while (interface < end) {
route_entry& route = interface->ifr_route;
// apply filters
if (interfaceName == NULL
|| !strcmp(interfaceName, interface->ifr_name)) {
if (family != NULL) {
BNetworkAddress destination(*route.destination);
printf("%*s", addressLength, destination.ToString().String());
if (route.mask != NULL) {
BNetworkAddress mask;
mask.SetTo(*route.mask);
if (family->preferredPrefixFormat
== PREFIX_PREFER_NETMASK) {
printf(" %*s ", addressLength,
mask.ToString().String());
} else {
printf("/%-3zd ", mask.PrefixLength());
}
} else {
if (family->preferredPrefixFormat
== PREFIX_PREFER_NETMASK) {
printf(" %*s ", addressLength, "-");
} else
printf(" ");
}
if ((route.flags & RTF_GATEWAY) != 0) {
BNetworkAddress gateway;
if (route.gateway != NULL)
gateway.SetTo(*route.gateway);
printf("%*s ", addressLength, gateway.ToString().String());
} else
printf("%*s ", family->maxAddressLength, "-");
} else
printf("unknown family ");
if (route.flags != 0) {
const struct {
int value;
const char *name;
} kFlags[] = {
{RTF_DEFAULT, "D"},
{RTF_REJECT, "R"},
{RTF_HOST, "H"},
{RTF_LOCAL, "L"},
{RTF_DYNAMIC, "D"},
{RTF_MODIFIED, "M"},
};
for (uint32 i = 0; i < sizeof(kFlags) / sizeof(kFlags[0]);
i++) {
if ((route.flags & kFlags[i].value) != 0) {
printf(kFlags[i].name);
} else
putchar('-');
}
printf(" ");
} else
printf("------ ");
printf("%s", interface->ifr_name);
putchar('\n');
}
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);
}
putchar('\n');
free(buffer);
}