| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdlib.h> |
| #include <sys/socket.h> |
| #include <sys/types.h> |
| #include <netinet/in.h> |
| #include <arpa/inet.h> |
| #include <dirent.h> |
| #include <errno.h> |
| |
| #include <linux/if.h> |
| |
| #define LOG_TAG "CommandListener" |
| #include <cutils/log.h> |
| |
| #include <sysutils/SocketClient.h> |
| |
| #include "CommandListener.h" |
| #include "ResponseCode.h" |
| #include "ThrottleController.h" |
| |
| |
| extern "C" int ifc_init(void); |
| extern "C" int ifc_get_hwaddr(const char *name, void *ptr); |
| extern "C" int ifc_get_info(const char *name, in_addr_t *addr, in_addr_t *mask, unsigned *flags); |
| extern "C" int ifc_set_addr(const char *name, in_addr_t addr); |
| extern "C" int ifc_set_mask(const char *name, in_addr_t mask); |
| extern "C" int ifc_up(const char *name); |
| extern "C" int ifc_down(const char *name); |
| |
| TetherController *CommandListener::sTetherCtrl = NULL; |
| NatController *CommandListener::sNatCtrl = NULL; |
| PppController *CommandListener::sPppCtrl = NULL; |
| PanController *CommandListener::sPanCtrl = NULL; |
| SoftapController *CommandListener::sSoftapCtrl = NULL; |
| UsbController *CommandListener::sUsbCtrl = NULL; |
| |
| CommandListener::CommandListener() : |
| FrameworkListener("netd") { |
| registerCmd(new InterfaceCmd()); |
| registerCmd(new IpFwdCmd()); |
| registerCmd(new TetherCmd()); |
| registerCmd(new NatCmd()); |
| registerCmd(new ListTtysCmd()); |
| registerCmd(new PppdCmd()); |
| registerCmd(new PanCmd()); |
| registerCmd(new SoftapCmd()); |
| registerCmd(new UsbCmd()); |
| |
| if (!sTetherCtrl) |
| sTetherCtrl = new TetherController(); |
| if (!sNatCtrl) |
| sNatCtrl = new NatController(); |
| if (!sPppCtrl) |
| sPppCtrl = new PppController(); |
| if (!sPanCtrl) |
| sPanCtrl = new PanController(); |
| if (!sSoftapCtrl) |
| sSoftapCtrl = new SoftapController(); |
| if (!sUsbCtrl) |
| sUsbCtrl = new UsbController(); |
| } |
| |
| CommandListener::InterfaceCmd::InterfaceCmd() : |
| NetdCommand("interface") { |
| } |
| |
| 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 { |
| /* |
| * These commands take a minimum of 3 arguments |
| */ |
| if (argc < 3) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false); |
| return 0; |
| } |
| if (!strcmp(argv[1], "getcfg")) { |
| struct in_addr addr, mask; |
| unsigned char hwaddr[6]; |
| unsigned flags = 0; |
| |
| ifc_init(); |
| memset(hwaddr, 0, sizeof(hwaddr)); |
| |
| if (ifc_get_info(argv[2], &addr.s_addr, &mask.s_addr, &flags)) { |
| cli->sendMsg(ResponseCode::OperationFailed, "Interface not found", true); |
| return 0; |
| } |
| |
| if (ifc_get_hwaddr(argv[2], (void *) hwaddr)) { |
| LOGW("Failed to retrieve HW addr for %s (%s)", argv[2], strerror(errno)); |
| } |
| |
| char *addr_s = strdup(inet_ntoa(addr)); |
| char *mask_s = strdup(inet_ntoa(mask)); |
| 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 %s %s", |
| hwaddr[0], hwaddr[1], hwaddr[2], hwaddr[3], hwaddr[4], hwaddr[5], |
| addr_s, mask_s, flag_s); |
| |
| cli->sendMsg(ResponseCode::InterfaceGetCfgResult, msg, false); |
| |
| free(addr_s); |
| free(mask_s); |
| free(flag_s); |
| free(msg); |
| return 0; |
| } else if (!strcmp(argv[1], "setcfg")) { |
| // arglist: iface addr mask [flags] |
| if (argc < 5) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false); |
| return 0; |
| } |
| LOGD("Setting iface cfg"); |
| |
| struct in_addr addr, mask; |
| unsigned flags = 0; |
| |
| if (!inet_aton(argv[3], &addr)) { |
| cli->sendMsg(ResponseCode::CommandParameterError, "Invalid address", false); |
| return 0; |
| } |
| |
| if (!inet_aton(argv[4], &mask)) { |
| cli->sendMsg(ResponseCode::CommandParameterError, "Invalid netmask", false); |
| return 0; |
| } |
| |
| ifc_init(); |
| if (ifc_set_addr(argv[2], addr.s_addr)) { |
| cli->sendMsg(ResponseCode::OperationFailed, "Failed to set address", true); |
| return 0; |
| } |
| |
| if (ifc_set_mask(argv[2], mask.s_addr)) { |
| cli->sendMsg(ResponseCode::OperationFailed, "Failed to set netmask", true); |
| return 0; |
| } |
| |
| /* Process flags */ |
| /* read from "[XX" arg to "YY]" arg */ |
| bool bStarted = false; |
| for (int i = 5; i < argc; i++) { |
| char *flag = argv[i]; |
| if (!bStarted) { |
| if (*flag == '[') { |
| flag++; |
| bStarted = true; |
| } else { |
| continue; |
| } |
| } |
| int len = strlen(flag); |
| if (flag[len-1] == ']') { |
| i = argc; // stop after this loop |
| flag[len-1] = 0; |
| } |
| if (!strcmp(flag, "up")) { |
| LOGD("Trying to bring up %s", argv[2]); |
| if (ifc_up(argv[2])) { |
| LOGE("Error upping interface"); |
| cli->sendMsg(ResponseCode::OperationFailed, "Failed to up interface", true); |
| return 0; |
| } |
| } else if (!strcmp(flag, "down")) { |
| LOGD("Trying to bring down %s", argv[2]); |
| if (ifc_down(argv[2])) { |
| LOGE("Error downing interface"); |
| cli->sendMsg(ResponseCode::OperationFailed, "Failed to down interface", true); |
| return 0; |
| } |
| } else if (!strcmp(flag, "broadcast")) { |
| LOGD("broadcast flag ignored"); |
| } else if (!strcmp(flag, "multicast")) { |
| LOGD("multicast flag ignored"); |
| } else { |
| cli->sendMsg(ResponseCode::CommandParameterError, "Flag unsupported", false); |
| return 0; |
| } |
| } |
| cli->sendMsg(ResponseCode::CommandOkay, "Interface configuration set", false); |
| return 0; |
| } else { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown interface cmd", false); |
| return 0; |
| } |
| } |
| return 0; |
| } |
| |
| CommandListener::ListTtysCmd::ListTtysCmd() : |
| NetdCommand("list_ttys") { |
| } |
| |
| int CommandListener::ListTtysCmd::runCommand(SocketClient *cli, |
| int argc, char **argv) { |
| TtyCollection *tlist = sPppCtrl->getTtyList(); |
| TtyCollection::iterator it; |
| |
| for (it = tlist->begin(); it != tlist->end(); ++it) { |
| cli->sendMsg(ResponseCode::TtyListResult, *it, false); |
| } |
| |
| cli->sendMsg(ResponseCode::CommandOkay, "Ttys listed.", false); |
| return 0; |
| } |
| |
| CommandListener::IpFwdCmd::IpFwdCmd() : |
| NetdCommand("ipfwd") { |
| } |
| |
| int CommandListener::IpFwdCmd::runCommand(SocketClient *cli, |
| int argc, char **argv) { |
| int rc = 0; |
| |
| if (argc < 2) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false); |
| return 0; |
| } |
| |
| if (!strcmp(argv[1], "status")) { |
| char *tmp = NULL; |
| |
| asprintf(&tmp, "Forwarding %s", (sTetherCtrl->getIpFwdEnabled() ? "enabled" : "disabled")); |
| cli->sendMsg(ResponseCode::IpFwdStatusResult, tmp, false); |
| free(tmp); |
| return 0; |
| } else if (!strcmp(argv[1], "enable")) { |
| rc = sTetherCtrl->setIpFwdEnabled(true); |
| } else if (!strcmp(argv[1], "disable")) { |
| rc = sTetherCtrl->setIpFwdEnabled(false); |
| } else { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown ipfwd cmd", false); |
| return 0; |
| } |
| |
| if (!rc) { |
| cli->sendMsg(ResponseCode::CommandOkay, "ipfwd operation succeeded", false); |
| } else { |
| cli->sendMsg(ResponseCode::OperationFailed, "ipfwd operation failed", true); |
| } |
| |
| return 0; |
| } |
| |
| CommandListener::TetherCmd::TetherCmd() : |
| NetdCommand("tether") { |
| } |
| |
| int CommandListener::TetherCmd::runCommand(SocketClient *cli, |
| int argc, char **argv) { |
| int rc = 0; |
| |
| if (argc < 2) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false); |
| return 0; |
| } |
| |
| if (!strcmp(argv[1], "stop")) { |
| rc = sTetherCtrl->stopTethering(); |
| } else if (!strcmp(argv[1], "status")) { |
| char *tmp = NULL; |
| |
| asprintf(&tmp, "Tethering services %s", |
| (sTetherCtrl->isTetheringStarted() ? "started" : "stopped")); |
| cli->sendMsg(ResponseCode::TetherStatusResult, tmp, false); |
| free(tmp); |
| return 0; |
| } else { |
| /* |
| * These commands take a minimum of 4 arguments |
| */ |
| if (argc < 4) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false); |
| return 0; |
| } |
| |
| if (!strcmp(argv[1], "start")) { |
| if (argc % 2 == 1) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Bad number of arguments", false); |
| return 0; |
| } |
| |
| int num_addrs = argc - 2; |
| int arg_index = 2; |
| int array_index = 0; |
| in_addr *addrs = (in_addr *)malloc(sizeof(in_addr) * num_addrs); |
| while (array_index < num_addrs) { |
| if (!inet_aton(argv[arg_index++], &(addrs[array_index++]))) { |
| cli->sendMsg(ResponseCode::CommandParameterError, "Invalid address", false); |
| free(addrs); |
| return 0; |
| } |
| } |
| rc = sTetherCtrl->startTethering(num_addrs, addrs); |
| free(addrs); |
| } else if (!strcmp(argv[1], "interface")) { |
| if (!strcmp(argv[2], "add")) { |
| rc = sTetherCtrl->tetherInterface(argv[3]); |
| } else if (!strcmp(argv[2], "remove")) { |
| rc = sTetherCtrl->untetherInterface(argv[3]); |
| } else if (!strcmp(argv[2], "list")) { |
| InterfaceCollection *ilist = sTetherCtrl->getTetheredInterfaceList(); |
| InterfaceCollection::iterator it; |
| |
| for (it = ilist->begin(); it != ilist->end(); ++it) { |
| cli->sendMsg(ResponseCode::TetherInterfaceListResult, *it, false); |
| } |
| } else { |
| cli->sendMsg(ResponseCode::CommandParameterError, |
| "Unknown tether interface operation", false); |
| return 0; |
| } |
| } else if (!strcmp(argv[1], "dns")) { |
| if (!strcmp(argv[2], "set")) { |
| rc = sTetherCtrl->setDnsForwarders(&argv[3], argc - 3); |
| } else if (!strcmp(argv[2], "list")) { |
| NetAddressCollection *dlist = sTetherCtrl->getDnsForwarders(); |
| NetAddressCollection::iterator it; |
| |
| for (it = dlist->begin(); it != dlist->end(); ++it) { |
| cli->sendMsg(ResponseCode::TetherDnsFwdTgtListResult, inet_ntoa(*it), false); |
| } |
| } else { |
| cli->sendMsg(ResponseCode::CommandParameterError, |
| "Unknown tether interface operation", false); |
| return 0; |
| } |
| } else { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown tether cmd", false); |
| return 0; |
| } |
| } |
| |
| if (!rc) { |
| cli->sendMsg(ResponseCode::CommandOkay, "Tether operation succeeded", false); |
| } else { |
| cli->sendMsg(ResponseCode::OperationFailed, "Tether operation failed", true); |
| } |
| |
| return 0; |
| } |
| |
| CommandListener::NatCmd::NatCmd() : |
| NetdCommand("nat") { |
| } |
| |
| int CommandListener::NatCmd::runCommand(SocketClient *cli, |
| int argc, char **argv) { |
| int rc = 0; |
| |
| if (argc < 3) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false); |
| return 0; |
| } |
| |
| if (!strcmp(argv[1], "enable")) { |
| rc = sNatCtrl->enableNat(argv[2], argv[3]); |
| } else if (!strcmp(argv[1], "disable")) { |
| rc = sNatCtrl->disableNat(argv[2], argv[3]); |
| } else { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown nat cmd", false); |
| return 0; |
| } |
| |
| if (!rc) { |
| cli->sendMsg(ResponseCode::CommandOkay, "Nat operation succeeded", false); |
| } else { |
| cli->sendMsg(ResponseCode::OperationFailed, "Nat operation failed", true); |
| } |
| |
| return 0; |
| } |
| |
| CommandListener::PppdCmd::PppdCmd() : |
| NetdCommand("pppd") { |
| } |
| |
| int CommandListener::PppdCmd::runCommand(SocketClient *cli, |
| int argc, char **argv) { |
| int rc = 0; |
| |
| if (argc < 3) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false); |
| return 0; |
| } |
| |
| if (!strcmp(argv[1], "attach")) { |
| struct in_addr l, r, dns1, dns2; |
| |
| memset(&dns1, sizeof(struct in_addr), 0); |
| memset(&dns2, sizeof(struct in_addr), 0); |
| |
| if (!inet_aton(argv[3], &l)) { |
| cli->sendMsg(ResponseCode::CommandParameterError, "Invalid local address", false); |
| return 0; |
| } |
| if (!inet_aton(argv[4], &r)) { |
| cli->sendMsg(ResponseCode::CommandParameterError, "Invalid remote address", false); |
| return 0; |
| } |
| if ((argc > 3) && (!inet_aton(argv[5], &dns1))) { |
| cli->sendMsg(ResponseCode::CommandParameterError, "Invalid dns1 address", false); |
| return 0; |
| } |
| if ((argc > 4) && (!inet_aton(argv[6], &dns2))) { |
| cli->sendMsg(ResponseCode::CommandParameterError, "Invalid dns2 address", false); |
| return 0; |
| } |
| rc = sPppCtrl->attachPppd(argv[2], l, r, dns1, dns2); |
| } else if (!strcmp(argv[1], "detach")) { |
| rc = sPppCtrl->detachPppd(argv[2]); |
| } else { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown pppd cmd", false); |
| return 0; |
| } |
| |
| if (!rc) { |
| cli->sendMsg(ResponseCode::CommandOkay, "Pppd operation succeeded", false); |
| } else { |
| cli->sendMsg(ResponseCode::OperationFailed, "Pppd operation failed", true); |
| } |
| |
| return 0; |
| } |
| |
| CommandListener::PanCmd::PanCmd() : |
| NetdCommand("pan") { |
| } |
| |
| int CommandListener::PanCmd::runCommand(SocketClient *cli, |
| int argc, char **argv) { |
| int rc = 0; |
| |
| if (argc < 2) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Missing argument", false); |
| return 0; |
| } |
| |
| if (!strcmp(argv[1], "start")) { |
| rc = sPanCtrl->startPan(); |
| } else if (!strcmp(argv[1], "stop")) { |
| rc = sPanCtrl->stopPan(); |
| } else if (!strcmp(argv[1], "status")) { |
| char *tmp = NULL; |
| |
| asprintf(&tmp, "Pan services %s", |
| (sPanCtrl->isPanStarted() ? "started" : "stopped")); |
| cli->sendMsg(ResponseCode::PanStatusResult, tmp, false); |
| free(tmp); |
| return 0; |
| } else { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Unknown pan cmd", false); |
| return 0; |
| } |
| |
| if (!rc) { |
| cli->sendMsg(ResponseCode::CommandOkay, "Pan operation succeeded", false); |
| } else { |
| cli->sendMsg(ResponseCode::OperationFailed, "Pan operation failed", true); |
| } |
| |
| return 0; |
| } |
| |
| CommandListener::SoftapCmd::SoftapCmd() : |
| NetdCommand("softap") { |
| } |
| |
| int CommandListener::SoftapCmd::runCommand(SocketClient *cli, |
| int argc, char **argv) { |
| int rc = 0, flag = 0; |
| |
| if (argc < 2) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Softap Missing argument", false); |
| return 0; |
| } |
| |
| if (!strcmp(argv[1], "start")) { |
| rc = sSoftapCtrl->startDriver(argv[2]); |
| } else if (!strcmp(argv[1], "stop")) { |
| rc = sSoftapCtrl->stopDriver(argv[2]); |
| } else if (!strcmp(argv[1], "startap")) { |
| rc = sSoftapCtrl->startSoftap(); |
| } else if (!strcmp(argv[1], "stopap")) { |
| rc = sSoftapCtrl->stopSoftap(); |
| } else if (!strcmp(argv[1], "fwreload")) { |
| rc = sSoftapCtrl->fwReloadSoftap(argc, argv); |
| } else if (!strcmp(argv[1], "status")) { |
| char *tmp = NULL; |
| |
| asprintf(&tmp, "Softap service %s", |
| (sSoftapCtrl->isSoftapStarted() ? "started" : "stopped")); |
| cli->sendMsg(ResponseCode::SoftapStatusResult, tmp, false); |
| free(tmp); |
| return 0; |
| } else if (!strcmp(argv[1], "set")) { |
| rc = sSoftapCtrl->setSoftap(argc, argv); |
| } else { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Softap Unknown cmd", false); |
| return 0; |
| } |
| |
| if (!rc) { |
| cli->sendMsg(ResponseCode::CommandOkay, "Softap operation succeeded", false); |
| } else { |
| cli->sendMsg(ResponseCode::OperationFailed, "Softap operation failed", true); |
| } |
| |
| return 0; |
| } |
| |
| CommandListener::UsbCmd::UsbCmd() : |
| NetdCommand("usb") { |
| } |
| |
| int CommandListener::UsbCmd::runCommand(SocketClient *cli, int argc, char **argv) { |
| int rc = 0; |
| |
| if (argc < 2) { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Usb Missing argument", false); |
| return 0; |
| } |
| |
| if (!strcmp(argv[1], "startrndis")) { |
| rc = sUsbCtrl->startRNDIS(); |
| } else if (!strcmp(argv[1], "stoprndis")) { |
| rc = sUsbCtrl->stopRNDIS(); |
| } else if (!strcmp(argv[1], "rndisstatus")) { |
| char *tmp = NULL; |
| |
| asprintf(&tmp, "Usb RNDIS %s", |
| (sUsbCtrl->isRNDISStarted() ? "started" : "stopped")); |
| cli->sendMsg(ResponseCode::UsbRNDISStatusResult, tmp, false); |
| free(tmp); |
| return 0; |
| } else { |
| cli->sendMsg(ResponseCode::CommandSyntaxError, "Usb Unknown cmd", false); |
| return 0; |
| } |
| |
| if (!rc) { |
| cli->sendMsg(ResponseCode::CommandOkay, "Usb operation succeeded", false); |
| } else { |
| cli->sendMsg(ResponseCode::OperationFailed, "Softap operation failed", true); |
| } |
| |
| return 0; |
| } |
| |
| int CommandListener::readInterfaceCounters(const char *iface, unsigned long *rx, unsigned long *tx) { |
| FILE *fp = fopen("/proc/net/dev", "r"); |
| if (!fp) { |
| LOGE("Failed to open /proc/net/dev (%s)", strerror(errno)); |
| return -1; |
| } |
| |
| char buffer[512]; |
| |
| fgets(buffer, sizeof(buffer), fp); // Header 1 |
| fgets(buffer, sizeof(buffer), fp); // Header 2 |
| while(fgets(buffer, sizeof(buffer), fp)) { |
| buffer[strlen(buffer)-1] = '\0'; |
| |
| char name[31]; |
| unsigned long d; |
| sscanf(buffer, "%30s %lu %lu %lu %lu %lu %lu %lu %lu %lu", |
| name, rx, &d, &d, &d, &d, &d, &d, &d, tx); |
| char *rxString = strchr(name, ':'); |
| *rxString = '\0'; |
| rxString++; |
| // when the rx count gets too big it changes from "name: 999" to "name:1000" |
| // and the sscanf munge the two together. Detect that and fix |
| // note that all the %lu will be off by one and the real tx value will be in d |
| if (*rxString != '\0') { |
| *tx = d; |
| sscanf(rxString, "%20lu", rx); |
| } |
| if (strcmp(name, iface)) { |
| continue; |
| } |
| fclose(fp); |
| return 0; |
| } |
| |
| fclose(fp); |
| *rx = 0; |
| *tx = 0; |
| return 0; |
| } |
