/* * wpa_gui - WpaGui class * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */#ifdef __MINGW32__/* Need to get getopt() */#include <unistd.h>#endif#include <QMessageBox>#include "wpagui.h"#include "dirent.h"#include "wpa_ctrl.h"#include "userdatarequest.h"#include "networkconfig.h"WpaGui::WpaGui(QWidget *parent, const char *, Qt::WFlags)	: QMainWindow(parent){	setupUi(this);	(void) statusBar();	connect(helpIndexAction, SIGNAL(activated()), this, SLOT(helpIndex()));	connect(helpContentsAction, SIGNAL(activated()), this,		SLOT(helpContents()));	connect(helpAboutAction, SIGNAL(activated()), this, SLOT(helpAbout()));	connect(fileExitAction, SIGNAL(activated()), this, SLOT(close()));	connect(disconnectButton, SIGNAL(clicked()), this, SLOT(disconnect()));	connect(scanButton, SIGNAL(clicked()), this, SLOT(scan()));	connect(connectButton, SIGNAL(clicked()), this, SLOT(connectB()));	connect(fileEventHistoryAction, SIGNAL(activated()), this,		SLOT(eventHistory()));	connect(networkSelect, SIGNAL(activated(const QString&)), this,		SLOT(selectNetwork(const QString&)));	connect(fileEdit_networkAction, SIGNAL(activated()), this,		SLOT(editNetwork()));	connect(fileAdd_NetworkAction, SIGNAL(activated()), this,		SLOT(addNetwork()));	connect(adapterSelect, SIGNAL(activated(const QString&)), this,		SLOT(selectAdapter(const QString&)));	eh = NULL;	scanres = NULL;	udr = NULL;	ctrl_iface = NULL;	ctrl_conn = NULL;	monitor_conn = NULL;	msgNotifier = NULL;	ctrl_iface_dir = strdup("/var/run/wpa_supplicant");	parse_argv();	textStatus->setText("connecting to wpa_supplicant");	timer = new QTimer(this);	connect(timer, SIGNAL(timeout()), SLOT(ping()));	timer->start(1000, FALSE);	if (openCtrlConnection(ctrl_iface) < 0) {		printf("Failed to open control connection to "		       "wpa_supplicant.\n");	}	updateStatus();	networkMayHaveChanged = true;	updateNetworks();}WpaGui::~WpaGui(){	delete msgNotifier;	if (monitor_conn) {		wpa_ctrl_detach(monitor_conn);		wpa_ctrl_close(monitor_conn);		monitor_conn = NULL;	}	if (ctrl_conn) {		wpa_ctrl_close(ctrl_conn);		ctrl_conn = NULL;	}	if (eh) {		eh->close();		delete eh;		eh = NULL;	}	if (scanres) {		scanres->close();		delete scanres;		scanres = NULL;	}	if (udr) {		udr->close();		delete udr;		udr = NULL;	}	free(ctrl_iface);	ctrl_iface = NULL;	free(ctrl_iface_dir);	ctrl_iface_dir = NULL;}void WpaGui::languageChange(){	retranslateUi(this);}void WpaGui::parse_argv(){	int c;	for (;;) {		c = getopt(qApp->argc(), qApp->argv(), "i:p:");		if (c < 0)			break;		switch (c) {		case 'i':			free(ctrl_iface);			ctrl_iface = strdup(optarg);			break;		case 'p':			free(ctrl_iface_dir);			ctrl_iface_dir = strdup(optarg);			break;		}	}}int WpaGui::openCtrlConnection(const char *ifname){	char *cfile;	int flen;	char buf[2048], *pos, *pos2;	size_t len;	if (ifname) {		if (ifname != ctrl_iface) {			free(ctrl_iface);			ctrl_iface = strdup(ifname);		}	} else {#ifdef CONFIG_CTRL_IFACE_UDP		free(ctrl_iface);		ctrl_iface = strdup("udp");#endif /* CONFIG_CTRL_IFACE_UDP */#ifdef CONFIG_CTRL_IFACE_UNIX		struct dirent *dent;		DIR *dir = opendir(ctrl_iface_dir);		free(ctrl_iface);		ctrl_iface = NULL;		if (dir) {			while ((dent = readdir(dir))) {#ifdef _DIRENT_HAVE_D_TYPE				/* Skip the file if it is not a socket.				 * Also accept DT_UNKNOWN (0) in case				 * the C library or underlying file				 * system does not support d_type. */				if (dent->d_type != DT_SOCK &&				    dent->d_type != DT_UNKNOWN)					continue;#endif /* _DIRENT_HAVE_D_TYPE */				if (strcmp(dent->d_name, ".") == 0 ||				    strcmp(dent->d_name, "..") == 0)					continue;				printf("Selected interface '%s'\n",				       dent->d_name);				ctrl_iface = strdup(dent->d_name);				break;			}			closedir(dir);		}#endif /* CONFIG_CTRL_IFACE_UNIX */#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE		struct wpa_ctrl *ctrl;		int ret;		free(ctrl_iface);		ctrl_iface = NULL;		ctrl = wpa_ctrl_open(NULL);		if (ctrl) {			len = sizeof(buf) - 1;			ret = wpa_ctrl_request(ctrl, "INTERFACES", 10, buf,					       &len, NULL);			if (ret >= 0) {				buf[len] = '\0';				pos = strchr(buf, '\n');				if (pos)					*pos = '\0';				ctrl_iface = strdup(buf);			}			wpa_ctrl_close(ctrl);		}#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */	}	if (ctrl_iface == NULL)		return -1;#ifdef CONFIG_CTRL_IFACE_UNIX	flen = strlen(ctrl_iface_dir) + strlen(ctrl_iface) + 2;	cfile = (char *) malloc(flen);	if (cfile == NULL)		return -1;	snprintf(cfile, flen, "%s/%s", ctrl_iface_dir, ctrl_iface);#else /* CONFIG_CTRL_IFACE_UNIX */	flen = strlen(ctrl_iface) + 1;	cfile = (char *) malloc(flen);	if (cfile == NULL)		return -1;	snprintf(cfile, flen, "%s", ctrl_iface);#endif /* CONFIG_CTRL_IFACE_UNIX */	if (ctrl_conn) {		wpa_ctrl_close(ctrl_conn);		ctrl_conn = NULL;	}	if (monitor_conn) {		delete msgNotifier;		msgNotifier = NULL;		wpa_ctrl_detach(monitor_conn);		wpa_ctrl_close(monitor_conn);		monitor_conn = NULL;	}	printf("Trying to connect to '%s'\n", cfile);	ctrl_conn = wpa_ctrl_open(cfile);	if (ctrl_conn == NULL) {		free(cfile);		return -1;	}	monitor_conn = wpa_ctrl_open(cfile);	free(cfile);	if (monitor_conn == NULL) {		wpa_ctrl_close(ctrl_conn);		return -1;	}	if (wpa_ctrl_attach(monitor_conn)) {		printf("Failed to attach to wpa_supplicant\n");		wpa_ctrl_close(monitor_conn);		monitor_conn = NULL;		wpa_ctrl_close(ctrl_conn);		ctrl_conn = NULL;		return -1;	}#if defined(CONFIG_CTRL_IFACE_UNIX) || defined(CONFIG_CTRL_IFACE_UDP)	msgNotifier = new QSocketNotifier(wpa_ctrl_get_fd(monitor_conn),					  QSocketNotifier::Read, this);	connect(msgNotifier, SIGNAL(activated(int)), SLOT(receiveMsgs()));#endif	adapterSelect->clear();	adapterSelect->insertItem(ctrl_iface);	adapterSelect->setCurrentItem(0);	len = sizeof(buf) - 1;	if (wpa_ctrl_request(ctrl_conn, "INTERFACES", 10, buf, &len, NULL) >=	    0) {		buf[len] = '\0';		pos = buf;		while (*pos) {			pos2 = strchr(pos, '\n');			if (pos2)				*pos2 = '\0';			if (strcmp(pos, ctrl_iface) != 0)				adapterSelect->insertItem(pos);			if (pos2)				pos = pos2 + 1;			else				break;		}	}	return 0;}static void wpa_gui_msg_cb(char *msg, size_t){	/* This should not happen anymore since two control connections are	 * used. */	printf("missed message: %s\n", msg);}int WpaGui::ctrlRequest(const char *cmd, char *buf, size_t *buflen){	int ret;	if (ctrl_conn == NULL)		return -3;	ret = wpa_ctrl_request(ctrl_conn, cmd, strlen(cmd), buf, buflen,			       wpa_gui_msg_cb);	if (ret == -2)		printf("'%s' command timed out.\n", cmd);	else if (ret < 0)		printf("'%s' command failed.\n", cmd);	return ret;}void WpaGui::updateStatus(){	char buf[2048], *start, *end, *pos;	size_t len;	pingsToStatusUpdate = 10;	len = sizeof(buf) - 1;	if (ctrl_conn == NULL || ctrlRequest("STATUS", buf, &len) < 0) {		textStatus->setText("Could not get status from "				    "wpa_supplicant");		textAuthentication->clear();		textEncryption->clear();		textSsid->clear();		textBssid->clear();		textIpAddress->clear();		return;	}	buf[len] = '\0';	bool auth_updated = false, ssid_updated = false;	bool bssid_updated = false, ipaddr_updated = false;	bool status_updated = false;	char *pairwise_cipher = NULL, *group_cipher = NULL;	start = buf;	while (*start) {		bool last = false;		end = strchr(start, '\n');		if (end == NULL) {			last = true;			end = start;			while (end[0] && end[1])				end++;		}		*end = '\0';		pos = strchr(start, '=');		if (pos) {			*pos++ = '\0';			if (strcmp(start, "bssid") == 0) {				bssid_updated = true;				textBssid->setText(pos);			} else if (strcmp(start, "ssid") == 0) {				ssid_updated = true;				textSsid->setText(pos);			} else if (strcmp(start, "ip_address") == 0) {				ipaddr_updated = true;				textIpAddress->setText(pos);			} else if (strcmp(start, "wpa_state") == 0) {				status_updated = true;				textStatus->setText(pos);			} else if (strcmp(start, "key_mgmt") == 0) {				auth_updated = true;				textAuthentication->setText(pos);				/* TODO: could add EAP status to this */			} else if (strcmp(start, "pairwise_cipher") == 0) {				pairwise_cipher = pos;			} else if (strcmp(start, "group_cipher") == 0) {				group_cipher = pos;			}		}		if (last)			break;