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* wpa_gui - WpaGui class
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* Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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* Alternatively, this software may be distributed under the terms of BSD
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* See README and COPYING for more details.
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/* Need to get getopt() */
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#include <QMessageBox>
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#include "userdatarequest.h"
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#include "networkconfig.h"
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WpaGui::WpaGui(QWidget *parent, const char *, Qt::WFlags)
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connect(helpIndexAction, SIGNAL(activated()), this, SLOT(helpIndex()));
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connect(helpContentsAction, SIGNAL(activated()), this,
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SLOT(helpContents()));
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connect(helpAboutAction, SIGNAL(activated()), this, SLOT(helpAbout()));
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connect(fileExitAction, SIGNAL(activated()), this, SLOT(close()));
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connect(disconnectButton, SIGNAL(clicked()), this, SLOT(disconnect()));
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connect(scanButton, SIGNAL(clicked()), this, SLOT(scan()));
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connect(connectButton, SIGNAL(clicked()), this, SLOT(connectB()));
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connect(fileEventHistoryAction, SIGNAL(activated()), this,
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SLOT(eventHistory()));
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connect(networkSelect, SIGNAL(activated(const QString&)), this,
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SLOT(selectNetwork(const QString&)));
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connect(fileEdit_networkAction, SIGNAL(activated()), this,
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connect(fileAdd_NetworkAction, SIGNAL(activated()), this,
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connect(adapterSelect, SIGNAL(activated(const QString&)), this,
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SLOT(selectAdapter(const QString&)));
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ctrl_iface_dir = strdup("/var/run/wpa_supplicant");
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textStatus->setText("connecting to wpa_supplicant");
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timer = new QTimer(this);
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connect(timer, SIGNAL(timeout()), SLOT(ping()));
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timer->start(1000, FALSE);
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if (openCtrlConnection(ctrl_iface) < 0) {
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printf("Failed to open control connection to "
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networkMayHaveChanged = true;
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wpa_ctrl_detach(monitor_conn);
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wpa_ctrl_close(monitor_conn);
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wpa_ctrl_close(ctrl_conn);
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free(ctrl_iface_dir);
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ctrl_iface_dir = NULL;
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void WpaGui::languageChange()
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void WpaGui::parse_argv()
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c = getopt(qApp->argc(), qApp->argv(), "i:p:");
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ctrl_iface = strdup(optarg);
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free(ctrl_iface_dir);
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ctrl_iface_dir = strdup(optarg);
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int WpaGui::openCtrlConnection(const char *ifname)
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char buf[2048], *pos, *pos2;
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if (ifname != ctrl_iface) {
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ctrl_iface = strdup(ifname);
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#ifdef CONFIG_CTRL_IFACE_UDP
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ctrl_iface = strdup("udp");
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#endif /* CONFIG_CTRL_IFACE_UDP */
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#ifdef CONFIG_CTRL_IFACE_UNIX
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DIR *dir = opendir(ctrl_iface_dir);
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while ((dent = readdir(dir))) {
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#ifdef _DIRENT_HAVE_D_TYPE
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/* Skip the file if it is not a socket.
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* Also accept DT_UNKNOWN (0) in case
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* the C library or underlying file
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* system does not support d_type. */
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if (dent->d_type != DT_SOCK &&
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dent->d_type != DT_UNKNOWN)
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#endif /* _DIRENT_HAVE_D_TYPE */
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if (strcmp(dent->d_name, ".") == 0 ||
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strcmp(dent->d_name, "..") == 0)
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printf("Selected interface '%s'\n",
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ctrl_iface = strdup(dent->d_name);
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#endif /* CONFIG_CTRL_IFACE_UNIX */
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#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE
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struct wpa_ctrl *ctrl;
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ctrl = wpa_ctrl_open(NULL);
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len = sizeof(buf) - 1;
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ret = wpa_ctrl_request(ctrl, "INTERFACES", 10, buf,
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pos = strchr(buf, '\n');
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ctrl_iface = strdup(buf);
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wpa_ctrl_close(ctrl);
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#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */
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if (ctrl_iface == NULL)
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#ifdef CONFIG_CTRL_IFACE_UNIX
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flen = strlen(ctrl_iface_dir) + strlen(ctrl_iface) + 2;
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cfile = (char *) malloc(flen);
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snprintf(cfile, flen, "%s/%s", ctrl_iface_dir, ctrl_iface);
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#else /* CONFIG_CTRL_IFACE_UNIX */
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flen = strlen(ctrl_iface) + 1;
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cfile = (char *) malloc(flen);
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snprintf(cfile, flen, "%s", ctrl_iface);
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#endif /* CONFIG_CTRL_IFACE_UNIX */
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wpa_ctrl_close(ctrl_conn);
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wpa_ctrl_detach(monitor_conn);
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wpa_ctrl_close(monitor_conn);
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printf("Trying to connect to '%s'\n", cfile);
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ctrl_conn = wpa_ctrl_open(cfile);
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if (ctrl_conn == NULL) {
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monitor_conn = wpa_ctrl_open(cfile);
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if (monitor_conn == NULL) {
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wpa_ctrl_close(ctrl_conn);
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if (wpa_ctrl_attach(monitor_conn)) {
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printf("Failed to attach to wpa_supplicant\n");
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wpa_ctrl_close(monitor_conn);
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wpa_ctrl_close(ctrl_conn);
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#if defined(CONFIG_CTRL_IFACE_UNIX) || defined(CONFIG_CTRL_IFACE_UDP)
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msgNotifier = new QSocketNotifier(wpa_ctrl_get_fd(monitor_conn),
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QSocketNotifier::Read, this);
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connect(msgNotifier, SIGNAL(activated(int)), SLOT(receiveMsgs()));
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adapterSelect->clear();
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adapterSelect->insertItem(ctrl_iface);
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adapterSelect->setCurrentItem(0);
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len = sizeof(buf) - 1;
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if (wpa_ctrl_request(ctrl_conn, "INTERFACES", 10, buf, &len, NULL) >=
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pos2 = strchr(pos, '\n');
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if (strcmp(pos, ctrl_iface) != 0)
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adapterSelect->insertItem(pos);
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static void wpa_gui_msg_cb(char *msg, size_t)
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/* This should not happen anymore since two control connections are
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printf("missed message: %s\n", msg);
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int WpaGui::ctrlRequest(const char *cmd, char *buf, size_t *buflen)
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if (ctrl_conn == NULL)
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ret = wpa_ctrl_request(ctrl_conn, cmd, strlen(cmd), buf, buflen,
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printf("'%s' command timed out.\n", cmd);
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printf("'%s' command failed.\n", cmd);
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void WpaGui::updateStatus()
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char buf[2048], *start, *end, *pos;
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pingsToStatusUpdate = 10;
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len = sizeof(buf) - 1;
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if (ctrl_conn == NULL || ctrlRequest("STATUS", buf, &len) < 0) {
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textStatus->setText("Could not get status from "
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textAuthentication->clear();
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textEncryption->clear();
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textIpAddress->clear();
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bool auth_updated = false, ssid_updated = false;
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bool bssid_updated = false, ipaddr_updated = false;
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bool status_updated = false;
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char *pairwise_cipher = NULL, *group_cipher = NULL;
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end = strchr(start, '\n');
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while (end[0] && end[1])
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pos = strchr(start, '=');
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if (strcmp(start, "bssid") == 0) {
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bssid_updated = true;
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textBssid->setText(pos);
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} else if (strcmp(start, "ssid") == 0) {
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textSsid->setText(pos);
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} else if (strcmp(start, "ip_address") == 0) {
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ipaddr_updated = true;
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textIpAddress->setText(pos);
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} else if (strcmp(start, "wpa_state") == 0) {
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status_updated = true;
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textStatus->setText(pos);
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} else if (strcmp(start, "key_mgmt") == 0) {
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textAuthentication->setText(pos);
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/* TODO: could add EAP status to this */
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} else if (strcmp(start, "pairwise_cipher") == 0) {
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pairwise_cipher = pos;
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} else if (strcmp(start, "group_cipher") == 0) {
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if (pairwise_cipher || group_cipher) {
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if (pairwise_cipher && group_cipher &&
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strcmp(pairwise_cipher, group_cipher) != 0) {
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encr.append(pairwise_cipher);
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encr.append(group_cipher);
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} else if (pairwise_cipher) {
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encr.append(pairwise_cipher);
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encr.append(group_cipher);
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encr.append(" [group key only]");
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textEncryption->setText(encr);
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textEncryption->clear();
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textAuthentication->clear();
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textIpAddress->clear();
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void WpaGui::updateNetworks()
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char buf[2048], *start, *end, *id, *ssid, *bssid, *flags;
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int first_active = -1;
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bool selected = false;
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if (!networkMayHaveChanged)
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networkSelect->clear();
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if (ctrl_conn == NULL)
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len = sizeof(buf) - 1;
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if (ctrlRequest("LIST_NETWORKS", buf, &len) < 0)
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start = strchr(buf, '\n');
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end = strchr(start, '\n');
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while (end[0] && end[1])
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ssid = strchr(id, '\t');
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bssid = strchr(ssid, '\t');
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flags = strchr(bssid, '\t');
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network.append(": ");
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network.append(ssid);
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networkSelect->insertItem(network);
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if (strstr(flags, "[CURRENT]")) {
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networkSelect->setCurrentItem(networkSelect->count() -
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} else if (first_active < 0 &&
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strstr(flags, "[DISABLED]") == NULL)
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first_active = networkSelect->count() - 1;
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if (!selected && first_active >= 0)
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networkSelect->setCurrentItem(first_active);
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networkMayHaveChanged = false;
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void WpaGui::helpIndex()
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printf("helpIndex\n");
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void WpaGui::helpContents()
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printf("helpContents\n");
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void WpaGui::helpAbout()
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QMessageBox::about(this, "wpa_gui for wpa_supplicant",
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"Copyright (c) 2003-2006,\n"
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"Jouni Malinen <j@w1.fi>\n"
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"and contributors.\n"
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"This program is free software. You can\n"
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"distribute it and/or modify it under the terms "
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"the GNU General Public License version 2.\n"
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"Alternatively, this software may be distributed\n"
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"under the terms of the BSD license.\n"
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"This product includes software developed\n"
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"by the OpenSSL Project for use in the\n"
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"OpenSSL Toolkit (http://www.openssl.org/)\n");
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void WpaGui::disconnect()
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size_t reply_len = sizeof(reply);
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ctrlRequest("DISCONNECT", reply, &reply_len);
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scanres = new ScanResults();
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scanres->setWpaGui(this);
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void WpaGui::eventHistory()
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eh = new EventHistory();
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#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE
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* QSocketNotifier cannot be used with Windows named pipes, so use a
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* timer to check for received messages for now. This could be
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* optimized be doing something specific to named pipes or Windows
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* events, but it is not clear what would be the best way of doing that
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#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */
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if (scanres && !scanres->isVisible()) {
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if (eh && !eh->isVisible()) {
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if (udr && !udr->isVisible()) {
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len = sizeof(buf) - 1;
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if (ctrlRequest("PING", buf, &len) < 0) {
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printf("PING failed - trying to reconnect\n");
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if (openCtrlConnection(ctrl_iface) >= 0) {
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printf("Reconnected successfully\n");
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pingsToStatusUpdate = 0;
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pingsToStatusUpdate--;
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if (pingsToStatusUpdate <= 0) {
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static int str_match(const char *a, const char *b)
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return strncmp(a, b, strlen(b)) == 0;
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void WpaGui::processMsg(char *msg)
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char *pos = msg, *pos2;
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priority = atoi(pos);
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pos = strchr(pos, '>');
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WpaMsg wm(pos, priority);
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while (msgs.count() > 100)
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/* Update last message with truncated version of the event */
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if (strncmp(pos, "CTRL-", 5) == 0) {
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pos2 = strchr(pos, str_match(pos, WPA_CTRL_REQ) ? ':' : ' ');
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QString lastmsg = pos2;
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lastmsg.truncate(40);
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textLastMessage->setText(lastmsg);
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pingsToStatusUpdate = 0;
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networkMayHaveChanged = true;
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if (str_match(pos, WPA_CTRL_REQ))
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processCtrlReq(pos + strlen(WPA_CTRL_REQ));
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void WpaGui::processCtrlReq(const char *req)
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udr = new UserDataRequest();
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if (udr->setParams(this, req) < 0) {
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void WpaGui::receiveMsgs()
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while (monitor_conn && wpa_ctrl_pending(monitor_conn) > 0) {
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len = sizeof(buf) - 1;
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if (wpa_ctrl_recv(monitor_conn, buf, &len) == 0) {
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void WpaGui::connectB()
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size_t reply_len = sizeof(reply);
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ctrlRequest("REASSOCIATE", reply, &reply_len);
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void WpaGui::selectNetwork( const QString &sel )
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size_t reply_len = sizeof(reply);
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int pos = cmd.find(':');
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printf("Invalid selectNetwork '%s'\n", cmd.ascii());
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cmd.prepend("SELECT_NETWORK ");
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ctrlRequest(cmd.ascii(), reply, &reply_len);
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void WpaGui::editNetwork()
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QString sel(networkSelect->currentText());
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int pos = sel.find(':');
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printf("Invalid selectNetwork '%s'\n", sel.ascii());
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NetworkConfig *nc = new NetworkConfig();
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nc->paramsFromConfig(sel.toInt());
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void WpaGui::triggerUpdate()
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networkMayHaveChanged = true;
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void WpaGui::addNetwork()
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NetworkConfig *nc = new NetworkConfig();
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void WpaGui::selectAdapter( const QString & sel )
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if (openCtrlConnection(sel.ascii()) < 0)
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printf("Failed to open control connection to "
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"wpa_supplicant.\n");
added
removed
wpa_supplicant/wpa_gui-qt4/wpagui.cpp
