Esempio n. 1
0
static int runDHCP(const char* ifname)
{
    char ipaddr[PROPERTY_VALUE_MAX];
    uint32_t prefixLength;
    char gateway[PROPERTY_VALUE_MAX];
    char    dns1[PROPERTY_VALUE_MAX];
    char    dns2[PROPERTY_VALUE_MAX];
    char    dns3[PROPERTY_VALUE_MAX];
    char    dns4[PROPERTY_VALUE_MAX];
    const char *dns[5] = {dns1, dns2, dns3, dns4, NULL};
    char  server[PROPERTY_VALUE_MAX];
    uint32_t lease;
    char vendorInfo[PROPERTY_VALUE_MAX];
    char domains[PROPERTY_VALUE_MAX];

    ALOGD("stop dhcp for wlan0...");
    dhcp_stop("wlan0");
    ifc_clear_addresses("wlan0");

    //dhcp_do_request: start dhcpcd service to get ip address
    if(dhcp_do_request(ifname, ipaddr, gateway, &prefixLength, dns, server, &lease, vendorInfo, domains))
    {
        ALOGE("dhcp_do_request for wlan0 failed!");
        return -1;
    }

    //ifc_configure: use the dhcp info to configure interface
    if(ifc_configure(ifname, inet_addr(ipaddr), prefixLength, inet_addr(gateway), inet_addr(dns1), inet_addr(dns2)))
    {
        ALOGE("ifc_configure for wlan0 failed!");
        return -1;
    }

    return 0;
}
Esempio n. 2
0
void disable_wifi()
{
    wifi_state = DISABLING;

    ALOGD("stop dhcp for wlan0...");
    dhcp_stop("wlan0");
    ifc_disable("wlan0");
    ifc_clear_addresses("wlan0");

    ALOGD("stop supplicant...");
    if(wifi_stop_supplicant(1) != 0)
    {
        ALOGE("stop supplicant failed!");
    }

    ALOGD("unload wlan driver...");
    wifi_unload_driver();

    wifi_state = DISABLED;
    WIFI_MSG_INFO_CALLBACK("Wifi diabled.");
    //disable wifi also a event automanager should check.
    sem_post(&sem);

    return ;
}
int CommandListener::InterfaceCmd::runCommand(SocketClient *cli,
                                                      int argc, char **argv) {
    if (argc < 2) {
        cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false);
        return 0;
    }

    if (!strcmp(argv[1], "list")) {
        DIR *d;
        struct dirent *de;

        if (!(d = opendir("/sys/class/net"))) {
            cli->sendMsg(ResponseCode::OperationFailed, "Failed to open sysfs dir", true);
            return 0;
        }

        while((de = readdir(d))) {
            if (de->d_name[0] == '.')
                continue;
            cli->sendMsg(ResponseCode::InterfaceListResult, de->d_name, false);
        }
        closedir(d);
        cli->sendMsg(ResponseCode::CommandOkay, "Interface list completed", false);
        return 0;
    } else if (!strcmp(argv[1], "readrxcounter")) {
        if (argc != 3) {
            cli->sendMsg(ResponseCode::CommandSyntaxError,
                    "Usage: interface readrxcounter <interface>", false);
            return 0;
        }
        unsigned long rx = 0, tx = 0;
        if (readInterfaceCounters(argv[2], &rx, &tx)) {
            cli->sendMsg(ResponseCode::OperationFailed, "Failed to read counters", true);
            return 0;
        }

        char *msg;
        asprintf(&msg, "%lu", rx);
        cli->sendMsg(ResponseCode::InterfaceRxCounterResult, msg, false);
        free(msg);

        return 0;
    } else if (!strcmp(argv[1], "readtxcounter")) {
        if (argc != 3) {
            cli->sendMsg(ResponseCode::CommandSyntaxError,
                    "Usage: interface readtxcounter <interface>", false);
            return 0;
        }
        unsigned long rx = 0, tx = 0;
        if (readInterfaceCounters(argv[2], &rx, &tx)) {
            cli->sendMsg(ResponseCode::OperationFailed, "Failed to read counters", true);
            return 0;
        }

        char *msg = NULL;
        asprintf(&msg, "%lu", tx);
        cli->sendMsg(ResponseCode::InterfaceTxCounterResult, msg, false);
        free(msg);
        return 0;
    } else if (!strcmp(argv[1], "getthrottle")) {
        if (argc != 4 || (argc == 4 && (strcmp(argv[3], "rx") && (strcmp(argv[3], "tx"))))) {
            cli->sendMsg(ResponseCode::CommandSyntaxError,
                    "Usage: interface getthrottle <interface> <rx|tx>", false);
            return 0;
        }
        int val = 0;
        int rc = 0;
        int voldRc = ResponseCode::InterfaceRxThrottleResult;

        if (!strcmp(argv[3], "rx")) {
            rc = ThrottleController::getInterfaceRxThrottle(argv[2], &val);
        } else {
            rc = ThrottleController::getInterfaceTxThrottle(argv[2], &val);
            voldRc = ResponseCode::InterfaceTxThrottleResult;
        }
        if (rc) {
            cli->sendMsg(ResponseCode::OperationFailed, "Failed to get throttle", true);
        } else {
            char *msg = NULL;
            asprintf(&msg, "%u", val);
            cli->sendMsg(voldRc, msg, false);
            free(msg);
            return 0;
        }
        return 0;
    } else if (!strcmp(argv[1], "setthrottle")) {
        if (argc != 5) {
            cli->sendMsg(ResponseCode::CommandSyntaxError,
                    "Usage: interface setthrottle <interface> <rx_kbps> <tx_kbps>", false);
            return 0;
        }
        if (ThrottleController::setInterfaceThrottle(argv[2], atoi(argv[3]), atoi(argv[4]))) {
            cli->sendMsg(ResponseCode::OperationFailed, "Failed to set throttle", true);
        } else {
            cli->sendMsg(ResponseCode::CommandOkay, "Interface throttling set", false);
        }
        return 0;
    } else if (!strcmp(argv[1], "driver")) {
        int rc;
        char *rbuf;

        if (argc < 4) {
            cli->sendMsg(ResponseCode::CommandSyntaxError,
                    "Usage: interface driver <interface> <cmd> <args>", false);
            return 0;
        }
        rc = sInterfaceCtrl->interfaceCommand(argc, argv, &rbuf);
        if (rc) {
            cli->sendMsg(ResponseCode::OperationFailed, "Failed to execute command", true);
        } else {
            cli->sendMsg(ResponseCode::CommandOkay, rbuf, false);
        }
        return 0;
    } else {
        /*
         * These commands take a minimum of 3 arguments
         */
        if (argc < 3) {
            cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false);
            return 0;
        }

        //     0       1       2        3          4           5     6      7
        // interface route add/remove iface default/secondary dest prefix gateway
        if (!strcmp(argv[1], "route")) {
            int prefix_length = 0;
            if (argc < 8) {
                cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false);
                return 0;
            }
            if (sscanf(argv[6], "%d", &prefix_length) != 1) {
                cli->sendMsg(ResponseCode::CommandParameterError, "Invalid route prefix", false);
                return 0;
            }
            if (!strcmp(argv[2], "add")) {
                if (!strcmp(argv[4], "default")) {
                    if (ifc_add_route(argv[3], argv[5], prefix_length, argv[7])) {
                        cli->sendMsg(ResponseCode::OperationFailed,
                                "Failed to add route to default table", true);
                    } else {
                        cli->sendMsg(ResponseCode::CommandOkay,
                                "Route added to default table", false);
                    }
                } else if (!strcmp(argv[4], "secondary")) {
                    return sSecondaryTableCtrl->addRoute(cli, argv[3], argv[5],
                            prefix_length, argv[7]);
                } else {
                    cli->sendMsg(ResponseCode::CommandParameterError,
                            "Invalid route type, expecting 'default' or 'secondary'", false);
                    return 0;
                }
            } else if (!strcmp(argv[2], "remove")) {
                if (!strcmp(argv[4], "default")) {
                    if (ifc_remove_route(argv[3], argv[5], prefix_length, argv[7])) {
                        cli->sendMsg(ResponseCode::OperationFailed,
                                "Failed to remove route from default table", true);
                    } else {
                        cli->sendMsg(ResponseCode::CommandOkay,
                                "Route removed from default table", false);
                    }
                } else if (!strcmp(argv[4], "secondary")) {
                    return sSecondaryTableCtrl->removeRoute(cli, argv[3], argv[5],
                            prefix_length, argv[7]);
                } else {
                    cli->sendMsg(ResponseCode::CommandParameterError,
                            "Invalid route type, expecting 'default' or 'secondary'", false);
                    return 0;
                }
            } else {
                cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown interface cmd", false);
            }
            return 0;
        }

        if (!strcmp(argv[1], "getcfg")) {
            struct in_addr addr;
            int prefixLength;
            unsigned char hwaddr[6];
            unsigned flags = 0;

            ifc_init();
            memset(hwaddr, 0, sizeof(hwaddr));

            if (ifc_get_info(argv[2], &addr.s_addr, &prefixLength, &flags)) {
                cli->sendMsg(ResponseCode::OperationFailed, "Interface not found", true);
                ifc_close();
                return 0;
            }

            if (ifc_get_hwaddr(argv[2], (void *) hwaddr)) {
                ALOGW("Failed to retrieve HW addr for %s (%s)", argv[2], strerror(errno));
            }

            char *addr_s = strdup(inet_ntoa(addr));
            const char *updown, *brdcst, *loopbk, *ppp, *running, *multi;

            updown =  (flags & IFF_UP)           ? "up" : "down";
            brdcst =  (flags & IFF_BROADCAST)    ? " broadcast" : "";
            loopbk =  (flags & IFF_LOOPBACK)     ? " loopback" : "";
            ppp =     (flags & IFF_POINTOPOINT)  ? " point-to-point" : "";
            running = (flags & IFF_RUNNING)      ? " running" : "";
            multi =   (flags & IFF_MULTICAST)    ? " multicast" : "";

            char *flag_s;

            asprintf(&flag_s, "%s%s%s%s%s%s", updown, brdcst, loopbk, ppp, running, multi);

            char *msg = NULL;
            asprintf(&msg, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x %s %d %s",
                     hwaddr[0], hwaddr[1], hwaddr[2], hwaddr[3], hwaddr[4], hwaddr[5],
                     addr_s, prefixLength, flag_s);

            cli->sendMsg(ResponseCode::InterfaceGetCfgResult, msg, false);

            free(addr_s);
            free(flag_s);
            free(msg);

            ifc_close();
            return 0;
        } else if (!strcmp(argv[1], "setcfg")) {
            // arglist: iface [addr prefixLength] flags
            if (argc < 4) {
                cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false);
                return 0;
            }
            ALOGD("Setting iface cfg");

            struct in_addr addr;
            unsigned flags = 0;
            int index = 5;

            ifc_init();

            if (!inet_aton(argv[3], &addr)) {
                // Handle flags only case
                index = 3;
            } else {
                if (ifc_set_addr(argv[2], addr.s_addr)) {
                    cli->sendMsg(ResponseCode::OperationFailed, "Failed to set address", true);
                    ifc_close();
                    return 0;
                }

                // Set prefix length on a non zero address
                if (addr.s_addr != 0 && ifc_set_prefixLength(argv[2], atoi(argv[4]))) {
                   cli->sendMsg(ResponseCode::OperationFailed, "Failed to set prefixLength", true);
                   ifc_close();
                   return 0;
               }
            }

            /* Process flags */
            for (int i = index; i < argc; i++) {
                char *flag = argv[i];
                if (!strcmp(flag, "up")) {
                    ALOGD("Trying to bring up %s", argv[2]);
                    if (ifc_up(argv[2])) {
                        ALOGE("Error upping interface");
                        cli->sendMsg(ResponseCode::OperationFailed, "Failed to up interface", true);
                        ifc_close();
                        return 0;
                    }
                } else if (!strcmp(flag, "down")) {
                    ALOGD("Trying to bring down %s", argv[2]);
                    if (ifc_down(argv[2])) {
                        ALOGE("Error downing interface");
                        cli->sendMsg(ResponseCode::OperationFailed, "Failed to down interface", true);
                        ifc_close();
                        return 0;
                    }
                } else if (!strcmp(flag, "broadcast")) {
                    // currently ignored
                } else if (!strcmp(flag, "multicast")) {
                    // currently ignored
                } else if (!strcmp(flag, "running")) {
                    // currently ignored
                } else if (!strcmp(flag, "loopback")) {
                    // currently ignored
                } else if (!strcmp(flag, "point-to-point")) {
                    // currently ignored
                } else {
                    cli->sendMsg(ResponseCode::CommandParameterError, "Flag unsupported", false);
                    ifc_close();
                    return 0;
                }
            }

            cli->sendMsg(ResponseCode::CommandOkay, "Interface configuration set", false);
            ifc_close();
            return 0;
        } else if (!strcmp(argv[1], "clearaddrs")) {
            // arglist: iface
            ALOGD("Clearing all IP addresses on %s", argv[2]);

            ifc_clear_addresses(argv[2]);

            cli->sendMsg(ResponseCode::CommandOkay, "Interface IP addresses cleared", false);
            return 0;
        } else if (!strcmp(argv[1], "ipv6privacyextensions")) {
            if (argc != 4) {
                cli->sendMsg(ResponseCode::CommandSyntaxError,
                        "Usage: interface ipv6privacyextensions <interface> <enable|disable>",
                        false);
                return 0;
            }

            char *tmp;
            asprintf(&tmp, "/proc/sys/net/ipv6/conf/%s/use_tempaddr", argv[2]);

            if (writeFile(tmp, !strncmp(argv[3], "enable", 7) ? "2" : "0", 1) < 0) {
                free(tmp);
                cli->sendMsg(ResponseCode::OperationFailed,
                        "Failed to set ipv6 privacy extensions", true);
                return 0;
            }

            free(tmp);
            cli->sendMsg(ResponseCode::CommandOkay, "IPv6 privacy extensions changed", false);
            return 0;
        } else if (!strcmp(argv[1], "ipv6")) {
            if (argc != 4) {
                cli->sendMsg(ResponseCode::CommandSyntaxError,
                        "Usage: interface ipv6 <interface> <enable|disable>",
                        false);
                return 0;
            }

            char *tmp;
            asprintf(&tmp, "/proc/sys/net/ipv6/conf/%s/disable_ipv6", argv[2]);

            if (writeFile(tmp, !strncmp(argv[3], "enable", 7) ? "0" : "1", 1) < 0) {
                free(tmp);
                cli->sendMsg(ResponseCode::OperationFailed,
                        "Failed to change IPv6 state", true);
                return 0;
            }

            free(tmp);
            cli->sendMsg(ResponseCode::CommandOkay, "IPv6 state changed", false);
            return 0;
        } else {
            cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown interface cmd", false);
            return 0;
        }
    }
    return 0;
}