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-rw-r--r--src/imports/wifi/qwifi_elinux.cpp264
1 files changed, 0 insertions, 264 deletions
diff --git a/src/imports/wifi/qwifi_elinux.cpp b/src/imports/wifi/qwifi_elinux.cpp
deleted file mode 100644
index 32e1aa3..0000000
--- a/src/imports/wifi/qwifi_elinux.cpp
+++ /dev/null
@@ -1,264 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2014 Digia Plc
-** All rights reserved.
-** For any questions to Digia, please use the contact form at
-** http://www.qt.io
-**
-** This file is part of Qt Enterprise Embedded.
-**
-** Licensees holding valid Qt Enterprise licenses may use this file in
-** accordance with the Qt Enterprise License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia.
-**
-** If you have questions regarding the use of this file, please use
-** the contact form at http://www.qt.io
-**
-****************************************************************************/
-#include "qwifi_elinux.h"
-
-#include <QtCore/QDebug>
-
-#include "wpa-supplicant/wpa_ctrl.h"
-
-#include <poll.h>
-#include <unistd.h>
-#include <sys/socket.h>
-
-static const char SUPP_CONFIG_FILE[] = "/etc/wpa_supplicant.conf";
-static const char IFACE_DIR[] = "/var/run/wpa_supplicant/";
-static const char WIFI[] = "wlan0";
-
-static struct wpa_ctrl *ctrl_conn;
-static struct wpa_ctrl *monitor_conn;
-// socket pair used to exit from a blocking read
-static int exit_sockets[2];
-
-static const char IFNAME[] = "IFNAME=";
-#define IFNAMELEN (sizeof(IFNAME) - 1)
-static const char WPA_EVENT_IGNORE[] = "CTRL-EVENT-IGNORE ";
-
-int wifi_connect_on_socket_path(const char *path);
-int wifi_ctrl_recv(char *reply, size_t *reply_len);
-int wifi_wait_on_socket(char *buf, size_t buflen);
-int wifi_send_command(const char *cmd, char *reply, size_t *reply_len);
-void wifi_close_sockets();
-
-int q_wifi_start_supplicant()
-{
- // NOTE: supplicant started when bringing up the wifi interface in
- // QWifiManager::connectToBackend() by:
- // QProcess::execute(QStringLiteral("ifup")
-
- /* Clear out any stale socket files that might be left over. */
- //wpa_ctrl_cleanup();
- /* Reset sockets used for exiting from hung state */
- exit_sockets[0] = exit_sockets[1] = -1;
- return 0;
-}
-
-int q_wifi_stop_supplicant()
-{
- // NOTE: supplicant stopped when bringing down the wifi
- // interface in QWifiManager::disconnectFromBackend() by:
- // QProcess::execute(QStringLiteral("ifdown")
- return 0;
-}
-
-int q_wifi_connect_to_supplicant(const char *ifname)
-{
- Q_UNUSED(ifname);
- static char path[4096];
- snprintf(path, sizeof(path), "%s/%s", IFACE_DIR, WIFI);
- return wifi_connect_on_socket_path(path);
-}
-
-int wifi_connect_on_socket_path(const char *path)
-{
- // establishes the control and monitor socket connections on the interface
- ctrl_conn = wpa_ctrl_open(path);
- if (ctrl_conn == NULL) {
- qWarning("Unable to open connection to supplicant on \"%s\": %s",
- path, strerror(errno));
- return -1;
- }
- monitor_conn = wpa_ctrl_open(path);
- if (monitor_conn == NULL) {
- wpa_ctrl_close(ctrl_conn);
- ctrl_conn = NULL;
- return -1;
- }
- if (wpa_ctrl_attach(monitor_conn) != 0) {
- wpa_ctrl_close(monitor_conn);
- wpa_ctrl_close(ctrl_conn);
- ctrl_conn = monitor_conn = NULL;
- return -1;
- }
-
- if (socketpair(AF_UNIX, SOCK_STREAM, 0, exit_sockets) == -1) {
- wpa_ctrl_close(monitor_conn);
- wpa_ctrl_close(ctrl_conn);
- ctrl_conn = monitor_conn = NULL;
- return -1;
- }
-
- return 0;
-}
-
-int q_wifi_wait_for_event(const char *ifname, char *buf, size_t buflen)
-{
- Q_UNUSED(ifname);
- return wifi_wait_on_socket(buf, buflen);
-}
-
-int wifi_wait_on_socket(char *buf, size_t buflen)
-{
- size_t nread = buflen - 1;
- int result;
- char *match, *match2;
-
- if (monitor_conn == NULL) {
- return snprintf(buf, buflen, WPA_EVENT_TERMINATING " - connection closed");
- }
-
- result = wifi_ctrl_recv(buf, &nread);
-
- /* Terminate reception on exit socket */
- if (result == -2) {
- return snprintf(buf, buflen, WPA_EVENT_TERMINATING " - connection closed");
- }
-
- if (result < 0) {
- qWarning("wifi_ctrl_recv failed: %s\n", strerror(errno));
- return snprintf(buf, buflen, WPA_EVENT_TERMINATING " - recv error");
- }
- buf[nread] = '\0';
- /* Check for EOF on the socket */
- if (result == 0 && nread == 0) {
- /* Fabricate an event to pass up */
- qWarning("Received EOF on supplicant socket\n");
- return snprintf(buf, buflen, WPA_EVENT_TERMINATING " - signal 0 received");
- }
- /*
- * Events strings are in the format
- *
- * IFNAME=iface <N>CTRL-EVENT-XXX
- * or
- * <N>CTRL-EVENT-XXX
- *
- * where N is the message level in numerical form (0=VERBOSE, 1=DEBUG,
- * etc.) and XXX is the event name. The level information is not useful
- * to us, so strip it off.
- */
-
- if (strncmp(buf, IFNAME, IFNAMELEN) == 0) {
- match = strchr(buf, ' ');
- if (match != NULL) {
- if (match[1] == '<') {
- match2 = strchr(match + 2, '>');
- if (match2 != NULL) {
- nread -= (match2 - match);
- memmove(match + 1, match2 + 1, nread - (match - buf) + 1);
- }
- }
- } else {
- return snprintf(buf, buflen, "%s", WPA_EVENT_IGNORE);
- }
- } else if (buf[0] == '<') {
- match = strchr(buf, '>');
- if (match != NULL) {
- nread -= (match + 1 - buf);
- memmove(buf, match + 1, nread + 1);
- //qWarning("supplicant generated event without interface - %s\n", buf);
- }
- } else {
- /* let the event go as is! */
- qWarning("supplicant generated event without interface and without message level - %s\n", buf);
- }
-
- return nread;
-}
-
-int wifi_ctrl_recv(char *reply, size_t *reply_len)
-{
- int res = 0;
- int ctrlfd = wpa_ctrl_get_fd(monitor_conn);
- struct pollfd rfds[2];
-
- memset(rfds, 0, 2 * sizeof(struct pollfd));
- rfds[0].fd = ctrlfd;
- rfds[0].events |= POLLIN;
- rfds[1].fd = exit_sockets[1];
- rfds[1].events |= POLLIN;
- res = TEMP_FAILURE_RETRY(poll(rfds, 2, -1));
- if (res < 0) {
- qWarning("Error poll = %d", res);
- return res;
- }
- if (rfds[0].revents & POLLIN) {
- return wpa_ctrl_recv(monitor_conn, reply, reply_len);
- }
-
- /* it is not rfds[0], then it must be rfts[1] (i.e. the exit socket)
- * or we timed out. In either case, this call has failed ..
- */
- return -2;
-}
-
-int wifi_send_command(const char *cmd, char *reply, size_t *reply_len)
-{
- int ret;
- if (ctrl_conn == NULL) {
- qWarning("Not connected to wpa_supplicant - \"%s\" command dropped.\n", cmd);
- return -1;
- }
- ret = wpa_ctrl_request(ctrl_conn, cmd, strlen(cmd), reply, reply_len, NULL);
- if (ret == -2) {
- qWarning("'%s' command timed out.\n", cmd);
- /* unblocks the monitor receive socket for termination */
- TEMP_FAILURE_RETRY(write(exit_sockets[0], "T", 1));
- return -2;
- } else if (ret < 0 || strncmp(reply, "FAIL", 4) == 0) {
- return -1;
- }
- if (strncmp(cmd, "PING", 4) == 0) {
- reply[*reply_len] = '\0';
- }
- return 0;
-}
-
-int q_wifi_command(const char *ifname, const char *command, char *reply, size_t *reply_len)
-{
- Q_UNUSED(ifname);
- return wifi_send_command(command, reply, reply_len);
-}
-
-void q_wifi_close_supplicant_connection(const char *ifname)
-{
- Q_UNUSED(ifname)
- wifi_close_sockets();
-}
-
-void wifi_close_sockets()
-{
- if (ctrl_conn != NULL) {
- wpa_ctrl_close(ctrl_conn);
- ctrl_conn = NULL;
- }
-
- if (monitor_conn != NULL) {
- wpa_ctrl_close(monitor_conn);
- monitor_conn = NULL;
- }
-
- if (exit_sockets[0] >= 0) {
- close(exit_sockets[0]);
- exit_sockets[0] = -1;
- }
-
- if (exit_sockets[1] >= 0) {
- close(exit_sockets[1]);
- exit_sockets[1] = -1;
- }
-}
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