+++ /dev/null
-/*
- * hostapd - command line interface for hostapd daemon
- * Copyright (c) 2004-2010, 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.
- */
-
-#include "includes.h"
-#include <dirent.h>
-
-#include "common/wpa_ctrl.h"
-#include "common.h"
-#include "common/version.h"
-
-
-static const char *hostapd_cli_version =
-"hostapd_cli v" VERSION_STR "\n"
-"Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi> and contributors";
-
-
-static const char *hostapd_cli_license =
-"This program is free software. You can distribute it and/or modify it\n"
-"under the terms of the GNU General Public License version 2.\n"
-"\n"
-"Alternatively, this software may be distributed under the terms of the\n"
-"BSD license. See README and COPYING for more details.\n";
-
-static const char *hostapd_cli_full_license =
-"This program is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License version 2 as\n"
-"published by the Free Software Foundation.\n"
-"\n"
-"This program is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with this program; if not, write to the Free Software\n"
-"Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
-"\n"
-"Alternatively, this software may be distributed under the terms of the\n"
-"BSD license.\n"
-"\n"
-"Redistribution and use in source and binary forms, with or without\n"
-"modification, are permitted provided that the following conditions are\n"
-"met:\n"
-"\n"
-"1. Redistributions of source code must retain the above copyright\n"
-" notice, this list of conditions and the following disclaimer.\n"
-"\n"
-"2. Redistributions in binary form must reproduce the above copyright\n"
-" notice, this list of conditions and the following disclaimer in the\n"
-" documentation and/or other materials provided with the distribution.\n"
-"\n"
-"3. Neither the name(s) of the above-listed copyright holder(s) nor the\n"
-" names of its contributors may be used to endorse or promote products\n"
-" derived from this software without specific prior written permission.\n"
-"\n"
-"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
-"\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
-"LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
-"A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"
-"OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
-"SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
-"LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
-"DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
-"THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
-"(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
-"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
-"\n";
-
-static const char *commands_help =
-"Commands:\n"
-" mib get MIB variables (dot1x, dot11, radius)\n"
-" sta <addr> get MIB variables for one station\n"
-" all_sta get MIB variables for all stations\n"
-" new_sta <addr> add a new station\n"
-" deauthenticate <addr> deauthenticate a station\n"
-" disassociate <addr> disassociate a station\n"
-#ifdef CONFIG_IEEE80211W
-" sa_query <addr> send SA Query to a station\n"
-#endif /* CONFIG_IEEE80211W */
-#ifdef CONFIG_WPS
-" wps_pin <uuid> <pin> [timeout] [addr] add WPS Enrollee PIN\n"
-" wps_check_pin <PIN> verify PIN checksum\n"
-" wps_pbc indicate button pushed to initiate PBC\n"
-#ifdef CONFIG_WPS_OOB
-" wps_oob <type> <path> <method> use WPS with out-of-band (UFD)\n"
-#endif /* CONFIG_WPS_OOB */
-" wps_ap_pin <cmd> [params..] enable/disable AP PIN\n"
-#endif /* CONFIG_WPS */
-" get_config show current configuration\n"
-" help show this usage help\n"
-" interface [ifname] show interfaces/select interface\n"
-" level <debug level> change debug level\n"
-" license show full hostapd_cli license\n"
-" quit exit hostapd_cli\n";
-
-static struct wpa_ctrl *ctrl_conn;
-static int hostapd_cli_quit = 0;
-static int hostapd_cli_attached = 0;
-static const char *ctrl_iface_dir = "/var/run/hostapd";
-static char *ctrl_ifname = NULL;
-static const char *pid_file = NULL;
-static const char *action_file = NULL;
-static int ping_interval = 5;
-
-
-static void usage(void)
-{
- fprintf(stderr, "%s\n", hostapd_cli_version);
- fprintf(stderr,
- "\n"
- "usage: hostapd_cli [-p<path>] [-i<ifname>] [-hvB] "
- "[-a<path>] \\\n"
- " [-G<ping interval>] [command..]\n"
- "\n"
- "Options:\n"
- " -h help (show this usage text)\n"
- " -v shown version information\n"
- " -p<path> path to find control sockets (default: "
- "/var/run/hostapd)\n"
- " -a<file> run in daemon mode executing the action file "
- "based on events\n"
- " from hostapd\n"
- " -B run a daemon in the background\n"
- " -i<ifname> Interface to listen on (default: first "
- "interface found in the\n"
- " socket path)\n\n"
- "%s",
- commands_help);
-}
-
-
-static struct wpa_ctrl * hostapd_cli_open_connection(const char *ifname)
-{
- char *cfile;
- int flen;
-
- if (ifname == NULL)
- return NULL;
-
- flen = strlen(ctrl_iface_dir) + strlen(ifname) + 2;
- cfile = malloc(flen);
- if (cfile == NULL)
- return NULL;
- snprintf(cfile, flen, "%s/%s", ctrl_iface_dir, ifname);
-
- ctrl_conn = wpa_ctrl_open(cfile);
- free(cfile);
- return ctrl_conn;
-}
-
-
-static void hostapd_cli_close_connection(void)
-{
- if (ctrl_conn == NULL)
- return;
-
- if (hostapd_cli_attached) {
- wpa_ctrl_detach(ctrl_conn);
- hostapd_cli_attached = 0;
- }
- wpa_ctrl_close(ctrl_conn);
- ctrl_conn = NULL;
-}
-
-
-static void hostapd_cli_msg_cb(char *msg, size_t len)
-{
- printf("%s\n", msg);
-}
-
-
-static int _wpa_ctrl_command(struct wpa_ctrl *ctrl, char *cmd, int print)
-{
- char buf[4096];
- size_t len;
- int ret;
-
- if (ctrl_conn == NULL) {
- printf("Not connected to hostapd - command dropped.\n");
- return -1;
- }
- len = sizeof(buf) - 1;
- ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
- hostapd_cli_msg_cb);
- if (ret == -2) {
- printf("'%s' command timed out.\n", cmd);
- return -2;
- } else if (ret < 0) {
- printf("'%s' command failed.\n", cmd);
- return -1;
- }
- if (print) {
- buf[len] = '\0';
- printf("%s", buf);
- }
- return 0;
-}
-
-
-static inline int wpa_ctrl_command(struct wpa_ctrl *ctrl, char *cmd)
-{
- return _wpa_ctrl_command(ctrl, cmd, 1);
-}
-
-
-static int hostapd_cli_cmd_ping(struct wpa_ctrl *ctrl, int argc, char *argv[])
-{
- return wpa_ctrl_command(ctrl, "PING");
-}
-
-
-static int hostapd_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[])
-{
- return wpa_ctrl_command(ctrl, "MIB");
-}
-
-
-static int hostapd_cli_exec(const char *program, const char *arg1,
- const char *arg2)
-{
- char *cmd;
- size_t len;
- int res;
- int ret = 0;
-
- len = os_strlen(program) + os_strlen(arg1) + os_strlen(arg2) + 3;
- cmd = os_malloc(len);
- if (cmd == NULL)
- return -1;
- res = os_snprintf(cmd, len, "%s %s %s", program, arg1, arg2);
- if (res < 0 || (size_t) res >= len) {
- os_free(cmd);
- return -1;
- }
- cmd[len - 1] = '\0';
-#ifndef _WIN32_WCE
- if (system(cmd) < 0)
- ret = -1;
-#endif /* _WIN32_WCE */
- os_free(cmd);
-
- return ret;
-}
-
-
-static void hostapd_cli_action_process(char *msg, size_t len)
-{
- const char *pos;
-
- pos = msg;
- if (*pos == '<') {
- pos = os_strchr(pos, '>');
- if (pos)
- pos++;
- else
- pos = msg;
- }
-
- hostapd_cli_exec(action_file, ctrl_ifname, pos);
-}
-
-
-static int hostapd_cli_cmd_sta(struct wpa_ctrl *ctrl, int argc, char *argv[])
-{
- char buf[64];
- if (argc != 1) {
- printf("Invalid 'sta' command - exactly one argument, STA "
- "address, is required.\n");
- return -1;
- }
- snprintf(buf, sizeof(buf), "STA %s", argv[0]);
- return wpa_ctrl_command(ctrl, buf);
-}
-
-
-static int hostapd_cli_cmd_new_sta(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char buf[64];
- if (argc != 1) {
- printf("Invalid 'new_sta' command - exactly one argument, STA "
- "address, is required.\n");
- return -1;
- }
- snprintf(buf, sizeof(buf), "NEW_STA %s", argv[0]);
- return wpa_ctrl_command(ctrl, buf);
-}
-
-
-static int hostapd_cli_cmd_deauthenticate(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char buf[64];
- if (argc < 1) {
- printf("Invalid 'deauthenticate' command - exactly one "
- "argument, STA address, is required.\n");
- return -1;
- }
- if (argc > 1)
- os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s %s",
- argv[0], argv[1]);
- else
- os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s", argv[0]);
- return wpa_ctrl_command(ctrl, buf);
-}
-
-
-static int hostapd_cli_cmd_disassociate(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char buf[64];
- if (argc < 1) {
- printf("Invalid 'disassociate' command - exactly one "
- "argument, STA address, is required.\n");
- return -1;
- }
- if (argc > 1)
- os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s %s",
- argv[0], argv[1]);
- else
- os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s", argv[0]);
- return wpa_ctrl_command(ctrl, buf);
-}
-
-
-#ifdef CONFIG_IEEE80211W
-static int hostapd_cli_cmd_sa_query(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char buf[64];
- if (argc != 1) {
- printf("Invalid 'sa_query' command - exactly one argument, "
- "STA address, is required.\n");
- return -1;
- }
- snprintf(buf, sizeof(buf), "SA_QUERY %s", argv[0]);
- return wpa_ctrl_command(ctrl, buf);
-}
-#endif /* CONFIG_IEEE80211W */
-
-
-#ifdef CONFIG_WPS
-static int hostapd_cli_cmd_wps_pin(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char buf[256];
- if (argc < 2) {
- printf("Invalid 'wps_pin' command - at least two arguments, "
- "UUID and PIN, are required.\n");
- return -1;
- }
- if (argc > 3)
- snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s %s",
- argv[0], argv[1], argv[2], argv[3]);
- else if (argc > 2)
- snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s",
- argv[0], argv[1], argv[2]);
- else
- snprintf(buf, sizeof(buf), "WPS_PIN %s %s", argv[0], argv[1]);
- return wpa_ctrl_command(ctrl, buf);
-}
-
-
-static int hostapd_cli_cmd_wps_check_pin(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char cmd[256];
- int res;
-
- if (argc != 1 && argc != 2) {
- printf("Invalid WPS_CHECK_PIN command: needs one argument:\n"
- "- PIN to be verified\n");
- return -1;
- }
-
- if (argc == 2)
- res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s %s",
- argv[0], argv[1]);
- else
- res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s",
- argv[0]);
- if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
- printf("Too long WPS_CHECK_PIN command.\n");
- return -1;
- }
- return wpa_ctrl_command(ctrl, cmd);
-}
-
-
-static int hostapd_cli_cmd_wps_pbc(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- return wpa_ctrl_command(ctrl, "WPS_PBC");
-}
-
-
-#ifdef CONFIG_WPS_OOB
-static int hostapd_cli_cmd_wps_oob(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char cmd[256];
- int res;
-
- if (argc != 3 && argc != 4) {
- printf("Invalid WPS_OOB command: need three or four "
- "arguments:\n"
- "- DEV_TYPE: use 'ufd' or 'nfc'\n"
- "- PATH: path of OOB device like '/mnt'\n"
- "- METHOD: OOB method 'pin-e' or 'pin-r', "
- "'cred'\n"
- "- DEV_NAME: (only for NFC) device name like "
- "'pn531'\n");
- return -1;
- }
-
- if (argc == 3)
- res = os_snprintf(cmd, sizeof(cmd), "WPS_OOB %s %s %s",
- argv[0], argv[1], argv[2]);
- else
- res = os_snprintf(cmd, sizeof(cmd), "WPS_OOB %s %s %s %s",
- argv[0], argv[1], argv[2], argv[3]);
- if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
- printf("Too long WPS_OOB command.\n");
- return -1;
- }
- return wpa_ctrl_command(ctrl, cmd);
-}
-#endif /* CONFIG_WPS_OOB */
-
-
-static int hostapd_cli_cmd_wps_ap_pin(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char buf[64];
- if (argc < 1) {
- printf("Invalid 'wps_ap_pin' command - at least one argument "
- "is required.\n");
- return -1;
- }
- if (argc > 2)
- snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s %s",
- argv[0], argv[1], argv[2]);
- else if (argc > 1)
- snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s",
- argv[0], argv[1]);
- else
- snprintf(buf, sizeof(buf), "WPS_AP_PIN %s", argv[0]);
- return wpa_ctrl_command(ctrl, buf);
-}
-#endif /* CONFIG_WPS */
-
-
-static int hostapd_cli_cmd_get_config(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- return wpa_ctrl_command(ctrl, "GET_CONFIG");
-}
-
-
-static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, char *cmd,
- char *addr, size_t addr_len)
-{
- char buf[4096], *pos;
- size_t len;
- int ret;
-
- if (ctrl_conn == NULL) {
- printf("Not connected to hostapd - command dropped.\n");
- return -1;
- }
- len = sizeof(buf) - 1;
- ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
- hostapd_cli_msg_cb);
- if (ret == -2) {
- printf("'%s' command timed out.\n", cmd);
- return -2;
- } else if (ret < 0) {
- printf("'%s' command failed.\n", cmd);
- return -1;
- }
-
- buf[len] = '\0';
- if (memcmp(buf, "FAIL", 4) == 0)
- return -1;
- printf("%s", buf);
-
- pos = buf;
- while (*pos != '\0' && *pos != '\n')
- pos++;
- *pos = '\0';
- os_strlcpy(addr, buf, addr_len);
- return 0;
-}
-
-
-static int hostapd_cli_cmd_all_sta(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- char addr[32], cmd[64];
-
- if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr)))
- return 0;
- do {
- snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
- } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr)) == 0);
-
- return -1;
-}
-
-
-static int hostapd_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[])
-{
- printf("%s", commands_help);
- return 0;
-}
-
-
-static int hostapd_cli_cmd_license(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- printf("%s\n\n%s\n", hostapd_cli_version, hostapd_cli_full_license);
- return 0;
-}
-
-
-static int hostapd_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[])
-{
- hostapd_cli_quit = 1;
- return 0;
-}
-
-
-static int hostapd_cli_cmd_level(struct wpa_ctrl *ctrl, int argc, char *argv[])
-{
- char cmd[256];
- if (argc != 1) {
- printf("Invalid LEVEL command: needs one argument (debug "
- "level)\n");
- return 0;
- }
- snprintf(cmd, sizeof(cmd), "LEVEL %s", argv[0]);
- return wpa_ctrl_command(ctrl, cmd);
-}
-
-
-static void hostapd_cli_list_interfaces(struct wpa_ctrl *ctrl)
-{
- struct dirent *dent;
- DIR *dir;
-
- dir = opendir(ctrl_iface_dir);
- if (dir == NULL) {
- printf("Control interface directory '%s' could not be "
- "openned.\n", ctrl_iface_dir);
- return;
- }
-
- printf("Available interfaces:\n");
- while ((dent = readdir(dir))) {
- if (strcmp(dent->d_name, ".") == 0 ||
- strcmp(dent->d_name, "..") == 0)
- continue;
- printf("%s\n", dent->d_name);
- }
- closedir(dir);
-}
-
-
-static int hostapd_cli_cmd_interface(struct wpa_ctrl *ctrl, int argc,
- char *argv[])
-{
- if (argc < 1) {
- hostapd_cli_list_interfaces(ctrl);
- return 0;
- }
-
- hostapd_cli_close_connection();
- free(ctrl_ifname);
- ctrl_ifname = strdup(argv[0]);
-
- if (hostapd_cli_open_connection(ctrl_ifname)) {
- printf("Connected to interface '%s.\n", ctrl_ifname);
- if (wpa_ctrl_attach(ctrl_conn) == 0) {
- hostapd_cli_attached = 1;
- } else {
- printf("Warning: Failed to attach to "
- "hostapd.\n");
- }
- } else {
- printf("Could not connect to interface '%s' - re-trying\n",
- ctrl_ifname);
- }
- return 0;
-}
-
-
-static int hostapd_cli_cmd_set(struct wpa_ctrl *ctrl, int argc, char *argv[])
-{
- char cmd[256];
- int res;
-
- if (argc != 2) {
- printf("Invalid SET command: needs two arguments (variable "
- "name and value)\n");
- return -1;
- }
-
- res = os_snprintf(cmd, sizeof(cmd), "SET %s %s", argv[0], argv[1]);
- if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
- printf("Too long SET command.\n");
- return -1;
- }
- return wpa_ctrl_command(ctrl, cmd);
-}
-
-
-struct hostapd_cli_cmd {
- const char *cmd;
- int (*handler)(struct wpa_ctrl *ctrl, int argc, char *argv[]);
-};
-
-static struct hostapd_cli_cmd hostapd_cli_commands[] = {
- { "ping", hostapd_cli_cmd_ping },
- { "mib", hostapd_cli_cmd_mib },
- { "sta", hostapd_cli_cmd_sta },
- { "all_sta", hostapd_cli_cmd_all_sta },
- { "new_sta", hostapd_cli_cmd_new_sta },
- { "deauthenticate", hostapd_cli_cmd_deauthenticate },
- { "disassociate", hostapd_cli_cmd_disassociate },
-#ifdef CONFIG_IEEE80211W
- { "sa_query", hostapd_cli_cmd_sa_query },
-#endif /* CONFIG_IEEE80211W */
-#ifdef CONFIG_WPS
- { "wps_pin", hostapd_cli_cmd_wps_pin },
- { "wps_check_pin", hostapd_cli_cmd_wps_check_pin },
- { "wps_pbc", hostapd_cli_cmd_wps_pbc },
-#ifdef CONFIG_WPS_OOB
- { "wps_oob", hostapd_cli_cmd_wps_oob },
-#endif /* CONFIG_WPS_OOB */
- { "wps_ap_pin", hostapd_cli_cmd_wps_ap_pin },
-#endif /* CONFIG_WPS */
- { "get_config", hostapd_cli_cmd_get_config },
- { "help", hostapd_cli_cmd_help },
- { "interface", hostapd_cli_cmd_interface },
- { "level", hostapd_cli_cmd_level },
- { "license", hostapd_cli_cmd_license },
- { "quit", hostapd_cli_cmd_quit },
- { "set", hostapd_cli_cmd_set },
- { NULL, NULL }
-};
-
-
-static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
-{
- struct hostapd_cli_cmd *cmd, *match = NULL;
- int count;
-
- count = 0;
- cmd = hostapd_cli_commands;
- while (cmd->cmd) {
- if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) == 0) {
- match = cmd;
- count++;
- }
- cmd++;
- }
-
- if (count > 1) {
- printf("Ambiguous command '%s'; possible commands:", argv[0]);
- cmd = hostapd_cli_commands;
- while (cmd->cmd) {
- if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) ==
- 0) {
- printf(" %s", cmd->cmd);
- }
- cmd++;
- }
- printf("\n");
- } else if (count == 0) {
- printf("Unknown command '%s'\n", argv[0]);
- } else {
- match->handler(ctrl, argc - 1, &argv[1]);
- }
-}
-
-
-static void hostapd_cli_recv_pending(struct wpa_ctrl *ctrl, int in_read,
- int action_monitor)
-{
- int first = 1;
- if (ctrl_conn == NULL)
- return;
- while (wpa_ctrl_pending(ctrl)) {
- char buf[256];
- size_t len = sizeof(buf) - 1;
- if (wpa_ctrl_recv(ctrl, buf, &len) == 0) {
- buf[len] = '\0';
- if (action_monitor)
- hostapd_cli_action_process(buf, len);
- else {
- if (in_read && first)
- printf("\n");
- first = 0;
- printf("%s\n", buf);
- }
- } else {
- printf("Could not read pending message.\n");
- break;
- }
- }
-}
-
-
-static void hostapd_cli_interactive(void)
-{
- const int max_args = 10;
- char cmd[256], *res, *argv[max_args], *pos;
- int argc;
-
- printf("\nInteractive mode\n\n");
-
- do {
- hostapd_cli_recv_pending(ctrl_conn, 0, 0);
- printf("> ");
- alarm(ping_interval);
- res = fgets(cmd, sizeof(cmd), stdin);
- alarm(0);
- if (res == NULL)
- break;
- pos = cmd;
- while (*pos != '\0') {
- if (*pos == '\n') {
- *pos = '\0';
- break;
- }
- pos++;
- }
- argc = 0;
- pos = cmd;
- for (;;) {
- while (*pos == ' ')
- pos++;
- if (*pos == '\0')
- break;
- argv[argc] = pos;
- argc++;
- if (argc == max_args)
- break;
- while (*pos != '\0' && *pos != ' ')
- pos++;
- if (*pos == ' ')
- *pos++ = '\0';
- }
- if (argc)
- wpa_request(ctrl_conn, argc, argv);
- } while (!hostapd_cli_quit);
-}
-
-
-static void hostapd_cli_cleanup(void)
-{
- hostapd_cli_close_connection();
- if (pid_file)
- os_daemonize_terminate(pid_file);
-
- os_program_deinit();
-}
-
-
-static void hostapd_cli_terminate(int sig)
-{
- hostapd_cli_cleanup();
- exit(0);
-}
-
-
-static void hostapd_cli_alarm(int sig)
-{
- if (ctrl_conn && _wpa_ctrl_command(ctrl_conn, "PING", 0)) {
- printf("Connection to hostapd lost - trying to reconnect\n");
- hostapd_cli_close_connection();
- }
- if (!ctrl_conn) {
- ctrl_conn = hostapd_cli_open_connection(ctrl_ifname);
- if (ctrl_conn) {
- printf("Connection to hostapd re-established\n");
- if (wpa_ctrl_attach(ctrl_conn) == 0) {
- hostapd_cli_attached = 1;
- } else {
- printf("Warning: Failed to attach to "
- "hostapd.\n");
- }
- }
- }
- if (ctrl_conn)
- hostapd_cli_recv_pending(ctrl_conn, 1, 0);
- alarm(ping_interval);
-}
-
-
-static void hostapd_cli_action(struct wpa_ctrl *ctrl)
-{
- fd_set rfds;
- int fd, res;
- struct timeval tv;
- char buf[256];
- size_t len;
-
- fd = wpa_ctrl_get_fd(ctrl);
-
- while (!hostapd_cli_quit) {
- FD_ZERO(&rfds);
- FD_SET(fd, &rfds);
- tv.tv_sec = ping_interval;
- tv.tv_usec = 0;
- res = select(fd + 1, &rfds, NULL, NULL, &tv);
- if (res < 0 && errno != EINTR) {
- perror("select");
- break;
- }
-
- if (FD_ISSET(fd, &rfds))
- hostapd_cli_recv_pending(ctrl, 0, 1);
- else {
- len = sizeof(buf) - 1;
- if (wpa_ctrl_request(ctrl, "PING", 4, buf, &len,
- hostapd_cli_action_process) < 0 ||
- len < 4 || os_memcmp(buf, "PONG", 4) != 0) {
- printf("hostapd did not reply to PING "
- "command - exiting\n");
- break;
- }
- }
- }
-}
-
-
-int main(int argc, char *argv[])
-{
- int interactive;
- int warning_displayed = 0;
- int c;
- int daemonize = 0;
-
- if (os_program_init())
- return -1;
-
- for (;;) {
- c = getopt(argc, argv, "a:BhG:i:p:v");
- if (c < 0)
- break;
- switch (c) {
- case 'a':
- action_file = optarg;
- break;
- case 'B':
- daemonize = 1;
- break;
- case 'G':
- ping_interval = atoi(optarg);
- break;
- case 'h':
- usage();
- return 0;
- case 'v':
- printf("%s\n", hostapd_cli_version);
- return 0;
- case 'i':
- os_free(ctrl_ifname);
- ctrl_ifname = os_strdup(optarg);
- break;
- case 'p':
- ctrl_iface_dir = optarg;
- break;
- default:
- usage();
- return -1;
- }
- }
-
- interactive = (argc == optind) && (action_file == NULL);
-
- if (interactive) {
- printf("%s\n\n%s\n\n", hostapd_cli_version,
- hostapd_cli_license);
- }
-
- for (;;) {
- if (ctrl_ifname == NULL) {
- struct dirent *dent;
- DIR *dir = opendir(ctrl_iface_dir);
- if (dir) {
- while ((dent = readdir(dir))) {
- if (os_strcmp(dent->d_name, ".") == 0
- ||
- os_strcmp(dent->d_name, "..") == 0)
- continue;
- printf("Selected interface '%s'\n",
- dent->d_name);
- ctrl_ifname = os_strdup(dent->d_name);
- break;
- }
- closedir(dir);
- }
- }
- ctrl_conn = hostapd_cli_open_connection(ctrl_ifname);
- if (ctrl_conn) {
- if (warning_displayed)
- printf("Connection established.\n");
- break;
- }
-
- if (!interactive) {
- perror("Failed to connect to hostapd - "
- "wpa_ctrl_open");
- return -1;
- }
-
- if (!warning_displayed) {
- printf("Could not connect to hostapd - re-trying\n");
- warning_displayed = 1;
- }
- os_sleep(1, 0);
- continue;
- }
-
- signal(SIGINT, hostapd_cli_terminate);
- signal(SIGTERM, hostapd_cli_terminate);
- signal(SIGALRM, hostapd_cli_alarm);
-
- if (interactive || action_file) {
- if (wpa_ctrl_attach(ctrl_conn) == 0) {
- hostapd_cli_attached = 1;
- } else {
- printf("Warning: Failed to attach to hostapd.\n");
- if (action_file)
- return -1;
- }
- }
-
- if (daemonize && os_daemonize(pid_file))
- return -1;
-
- if (interactive)
- hostapd_cli_interactive();
- else if (action_file)
- hostapd_cli_action(ctrl_conn);
- else
- wpa_request(ctrl_conn, argc - optind, &argv[optind]);
-
- os_free(ctrl_ifname);
- hostapd_cli_cleanup();
- return 0;
-}