--- /dev/null
+/*
+ * hostapd - command line interface for hostapd daemon
+ * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+#include <dirent.h>
+
+#include "common/wpa_ctrl.h"
+#include "common/ieee802_11_defs.h"
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "utils/edit.h"
+#include "common/version.h"
+#include "common/cli.h"
+
+#ifndef CONFIG_NO_CTRL_IFACE
+
+static const char *const hostapd_cli_version =
+"hostapd_cli v" VERSION_STR "\n"
+"Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi> and contributors";
+
+static struct wpa_ctrl *ctrl_conn;
+static int hostapd_cli_quit = 0;
+static int hostapd_cli_attached = 0;
+
+#ifndef CONFIG_CTRL_IFACE_DIR
+#define CONFIG_CTRL_IFACE_DIR "/var/run/hostapd"
+#endif /* CONFIG_CTRL_IFACE_DIR */
+static const char *ctrl_iface_dir = CONFIG_CTRL_IFACE_DIR;
+static const char *client_socket_dir = NULL;
+
+static char *ctrl_ifname = NULL;
+static const char *pid_file = NULL;
+static const char *action_file = NULL;
+static int ping_interval = 5;
+static int interactive = 0;
+static int event_handler_registered = 0;
+
+static DEFINE_DL_LIST(stations); /* struct cli_txt_entry */
+
+static void print_help(FILE *stream, const char *cmd);
+static char ** list_cmd_list(void);
+static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx);
+
+
+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"
+ " [-P<pid file>] [-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"
+ " -s<dir_path> dir path to open client sockets (default: "
+ CONFIG_CTRL_IFACE_DIR ")\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");
+ print_help(stderr, NULL);
+}
+
+
+static void register_event_handler(struct wpa_ctrl *ctrl)
+{
+ if (!ctrl_conn)
+ return;
+ if (interactive) {
+ event_handler_registered =
+ !eloop_register_read_sock(wpa_ctrl_get_fd(ctrl),
+ hostapd_cli_receive,
+ NULL, NULL);
+ }
+}
+
+
+static void unregister_event_handler(struct wpa_ctrl *ctrl)
+{
+ if (!ctrl_conn)
+ return;
+ if (interactive && event_handler_registered) {
+ eloop_unregister_read_sock(wpa_ctrl_get_fd(ctrl));
+ event_handler_registered = 0;
+ }
+}
+
+
+static struct wpa_ctrl * hostapd_cli_open_connection(const char *ifname)
+{
+#ifndef CONFIG_CTRL_IFACE_UDP
+ char *cfile;
+ int flen;
+#endif /* !CONFIG_CTRL_IFACE_UDP */
+
+ if (ifname == NULL)
+ return NULL;
+
+#ifdef CONFIG_CTRL_IFACE_UDP
+ ctrl_conn = wpa_ctrl_open(ifname);
+ return ctrl_conn;
+#else /* CONFIG_CTRL_IFACE_UDP */
+ 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);
+
+ if (client_socket_dir && client_socket_dir[0] &&
+ access(client_socket_dir, F_OK) < 0) {
+ perror(client_socket_dir);
+ free(cfile);
+ return NULL;
+ }
+
+ ctrl_conn = wpa_ctrl_open2(cfile, client_socket_dir);
+ free(cfile);
+ return ctrl_conn;
+#endif /* CONFIG_CTRL_IFACE_UDP */
+}
+
+
+static void hostapd_cli_close_connection(void)
+{
+ if (ctrl_conn == NULL)
+ return;
+
+ unregister_event_handler(ctrl_conn);
+ 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(struct wpa_ctrl *ctrl, const char *cmd,
+ int min_args, int argc, char *argv[])
+{
+ char buf[4096];
+
+ if (argc < min_args) {
+ printf("Invalid %s command - at least %d argument%s required.\n",
+ cmd, min_args, min_args > 1 ? "s are" : " is");
+ return -1;
+ }
+ if (write_cmd(buf, sizeof(buf), cmd, argc, argv) < 0)
+ return -1;
+ return wpa_ctrl_command(ctrl, buf);
+}
+
+
+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_relog(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "RELOG");
+}
+
+
+static int hostapd_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ if (argc > 0 && os_strcmp(argv[0], "driver") == 0)
+ return wpa_ctrl_command(ctrl, "STATUS-DRIVER");
+ return wpa_ctrl_command(ctrl, "STATUS");
+}
+
+
+static int hostapd_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ if (argc > 0) {
+ char buf[100];
+ os_snprintf(buf, sizeof(buf), "MIB %s", argv[0]);
+ return wpa_ctrl_command(ctrl, buf);
+ }
+ return wpa_ctrl_command(ctrl, "MIB");
+}
+
+
+static int hostapd_cli_exec(const char *program, const char *arg1,
+ const char *arg2)
+{
+ char *arg;
+ size_t len;
+ int res;
+
+ len = os_strlen(arg1) + os_strlen(arg2) + 2;
+ arg = os_malloc(len);
+ if (arg == NULL)
+ return -1;
+ os_snprintf(arg, len, "%s %s", arg1, arg2);
+ res = os_exec(program, arg, 1);
+ os_free(arg);
+
+ return res;
+}
+
+
+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 - at least one argument, STA "
+ "address, is required.\n");
+ return -1;
+ }
+ if (argc > 1)
+ snprintf(buf, sizeof(buf), "STA %s %s", argv[0], argv[1]);
+ else
+ 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 char ** hostapd_complete_deauthenticate(const char *str, int pos)
+{
+ int arg = get_cmd_arg_num(str, pos);
+ char **res = NULL;
+
+ switch (arg) {
+ case 1:
+ res = cli_txt_list_array(&stations);
+ break;
+ }
+
+ return res;
+}
+
+
+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);
+}
+
+
+static char ** hostapd_complete_disassociate(const char *str, int pos)
+{
+ int arg = get_cmd_arg_num(str, pos);
+ char **res = NULL;
+
+ switch (arg) {
+ case 1:
+ res = cli_txt_list_array(&stations);
+ break;
+ }
+
+ return res;
+}
+
+
+#ifdef CONFIG_TAXONOMY
+static int hostapd_cli_cmd_signature(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char buf[64];
+
+ if (argc != 1) {
+ printf("Invalid 'signature' command - exactly one argument, STA address, is required.\n");
+ return -1;
+ }
+ os_snprintf(buf, sizeof(buf), "SIGNATURE %s", argv[0]);
+ return wpa_ctrl_command(ctrl, buf);
+}
+#endif /* CONFIG_TAXONOMY */
+
+
+#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 (os_snprintf_error(sizeof(cmd), res)) {
+ 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");
+}
+
+
+static int hostapd_cli_cmd_wps_cancel(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "WPS_CANCEL");
+}
+
+
+#ifdef CONFIG_WPS_NFC
+static int hostapd_cli_cmd_wps_nfc_tag_read(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ int ret;
+ char *buf;
+ size_t buflen;
+
+ if (argc != 1) {
+ printf("Invalid 'wps_nfc_tag_read' command - one argument "
+ "is required.\n");
+ return -1;
+ }
+
+ buflen = 18 + os_strlen(argv[0]);
+ buf = os_malloc(buflen);
+ if (buf == NULL)
+ return -1;
+ os_snprintf(buf, buflen, "WPS_NFC_TAG_READ %s", argv[0]);
+
+ ret = wpa_ctrl_command(ctrl, buf);
+ os_free(buf);
+
+ return ret;
+}
+
+
+static int hostapd_cli_cmd_wps_nfc_config_token(struct wpa_ctrl *ctrl,
+ int argc, char *argv[])
+{
+ char cmd[64];
+ int res;
+
+ if (argc != 1) {
+ printf("Invalid 'wps_nfc_config_token' command - one argument "
+ "is required.\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_CONFIG_TOKEN %s",
+ argv[0]);
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long WPS_NFC_CONFIG_TOKEN command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_wps_nfc_token(struct wpa_ctrl *ctrl,
+ int argc, char *argv[])
+{
+ char cmd[64];
+ int res;
+
+ if (argc != 1) {
+ printf("Invalid 'wps_nfc_token' command - one argument is "
+ "required.\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_TOKEN %s", argv[0]);
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long WPS_NFC_TOKEN command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_nfc_get_handover_sel(struct wpa_ctrl *ctrl,
+ int argc, char *argv[])
+{
+ char cmd[64];
+ int res;
+
+ if (argc != 2) {
+ printf("Invalid 'nfc_get_handover_sel' command - two arguments "
+ "are required.\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "NFC_GET_HANDOVER_SEL %s %s",
+ argv[0], argv[1]);
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long NFC_GET_HANDOVER_SEL command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+#endif /* CONFIG_WPS_NFC */
+
+
+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);
+}
+
+
+static int hostapd_cli_cmd_wps_get_status(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "WPS_GET_STATUS");
+}
+
+
+static int hostapd_cli_cmd_wps_config(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char buf[256];
+ char ssid_hex[2 * SSID_MAX_LEN + 1];
+ char key_hex[2 * 64 + 1];
+ int i;
+
+ if (argc < 1) {
+ printf("Invalid 'wps_config' command - at least two arguments "
+ "are required.\n");
+ return -1;
+ }
+
+ ssid_hex[0] = '\0';
+ for (i = 0; i < SSID_MAX_LEN; i++) {
+ if (argv[0][i] == '\0')
+ break;
+ os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[0][i]);
+ }
+
+ key_hex[0] = '\0';
+ if (argc > 3) {
+ for (i = 0; i < 64; i++) {
+ if (argv[3][i] == '\0')
+ break;
+ os_snprintf(&key_hex[i * 2], 3, "%02x",
+ argv[3][i]);
+ }
+ }
+
+ if (argc > 3)
+ snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s %s",
+ ssid_hex, argv[1], argv[2], key_hex);
+ else if (argc > 2)
+ snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s",
+ ssid_hex, argv[1], argv[2]);
+ else
+ snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s",
+ ssid_hex, argv[1]);
+ return wpa_ctrl_command(ctrl, buf);
+}
+#endif /* CONFIG_WPS */
+
+
+static int hostapd_cli_cmd_disassoc_imminent(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char buf[300];
+ int res;
+
+ if (argc < 2) {
+ printf("Invalid 'disassoc_imminent' command - two arguments "
+ "(STA addr and Disassociation Timer) are needed\n");
+ return -1;
+ }
+
+ res = os_snprintf(buf, sizeof(buf), "DISASSOC_IMMINENT %s %s",
+ argv[0], argv[1]);
+ if (os_snprintf_error(sizeof(buf), res))
+ return -1;
+ return wpa_ctrl_command(ctrl, buf);
+}
+
+
+static int hostapd_cli_cmd_ess_disassoc(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char buf[300];
+ int res;
+
+ if (argc < 3) {
+ printf("Invalid 'ess_disassoc' command - three arguments (STA "
+ "addr, disassoc timer, and URL) are needed\n");
+ return -1;
+ }
+
+ res = os_snprintf(buf, sizeof(buf), "ESS_DISASSOC %s %s %s",
+ argv[0], argv[1], argv[2]);
+ if (os_snprintf_error(sizeof(buf), res))
+ return -1;
+ return wpa_ctrl_command(ctrl, buf);
+}
+
+
+static int hostapd_cli_cmd_bss_tm_req(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char buf[2000], *tmp;
+ int res, i, total;
+
+ if (argc < 1) {
+ printf("Invalid 'bss_tm_req' command - at least one argument (STA addr) is needed\n");
+ return -1;
+ }
+
+ res = os_snprintf(buf, sizeof(buf), "BSS_TM_REQ %s", argv[0]);
+ if (os_snprintf_error(sizeof(buf), res))
+ return -1;
+
+ total = res;
+ for (i = 1; i < argc; i++) {
+ tmp = &buf[total];
+ res = os_snprintf(tmp, sizeof(buf) - total, " %s", argv[i]);
+ if (os_snprintf_error(sizeof(buf) - total, res))
+ return -1;
+ total += res;
+ }
+ return wpa_ctrl_command(ctrl, buf);
+}
+
+
+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[])
+{
+ print_help(stdout, argc > 0 ? argv[0] : NULL);
+ return 0;
+}
+
+
+static char ** hostapd_cli_complete_help(const char *str, int pos)
+{
+ int arg = get_cmd_arg_num(str, pos);
+ char **res = NULL;
+
+ switch (arg) {
+ case 1:
+ res = list_cmd_list();
+ break;
+ }
+
+ return res;
+}
+
+
+static int hostapd_cli_cmd_license(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ printf("%s\n\n%s\n", hostapd_cli_version, cli_full_license);
+ return 0;
+}
+
+
+static int hostapd_cli_cmd_set_qos_map_set(struct wpa_ctrl *ctrl,
+ int argc, char *argv[])
+{
+ char buf[200];
+ int res;
+
+ if (argc != 1) {
+ printf("Invalid 'set_qos_map_set' command - "
+ "one argument (comma delimited QoS map set) "
+ "is needed\n");
+ return -1;
+ }
+
+ res = os_snprintf(buf, sizeof(buf), "SET_QOS_MAP_SET %s", argv[0]);
+ if (os_snprintf_error(sizeof(buf), res))
+ return -1;
+ return wpa_ctrl_command(ctrl, buf);
+}
+
+
+static int hostapd_cli_cmd_send_qos_map_conf(struct wpa_ctrl *ctrl,
+ int argc, char *argv[])
+{
+ char buf[50];
+ int res;
+
+ if (argc != 1) {
+ printf("Invalid 'send_qos_map_conf' command - "
+ "one argument (STA addr) is needed\n");
+ return -1;
+ }
+
+ res = os_snprintf(buf, sizeof(buf), "SEND_QOS_MAP_CONF %s", argv[0]);
+ if (os_snprintf_error(sizeof(buf), res))
+ return -1;
+ return wpa_ctrl_command(ctrl, buf);
+}
+
+
+static int hostapd_cli_cmd_hs20_wnm_notif(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char buf[300];
+ int res;
+
+ if (argc < 2) {
+ printf("Invalid 'hs20_wnm_notif' command - two arguments (STA "
+ "addr and URL) are needed\n");
+ return -1;
+ }
+
+ res = os_snprintf(buf, sizeof(buf), "HS20_WNM_NOTIF %s %s",
+ argv[0], argv[1]);
+ if (os_snprintf_error(sizeof(buf), res))
+ return -1;
+ return wpa_ctrl_command(ctrl, buf);
+}
+
+
+static int hostapd_cli_cmd_hs20_deauth_req(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char buf[300];
+ int res;
+
+ if (argc < 3) {
+ printf("Invalid 'hs20_deauth_req' command - at least three arguments (STA addr, Code, Re-auth Delay) are needed\n");
+ return -1;
+ }
+
+ if (argc > 3)
+ res = os_snprintf(buf, sizeof(buf),
+ "HS20_DEAUTH_REQ %s %s %s %s",
+ argv[0], argv[1], argv[2], argv[3]);
+ else
+ res = os_snprintf(buf, sizeof(buf),
+ "HS20_DEAUTH_REQ %s %s %s",
+ argv[0], argv[1], argv[2]);
+ if (os_snprintf_error(sizeof(buf), res))
+ return -1;
+ return wpa_ctrl_command(ctrl, buf);
+}
+
+
+static int hostapd_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ hostapd_cli_quit = 1;
+ if (interactive)
+ eloop_terminate();
+ 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_get_interfaces(struct wpa_ctrl *ctrl,
+ struct dl_list *interfaces)
+{
+ struct dirent *dent;
+ DIR *dir;
+
+ if (!ctrl || !interfaces)
+ return;
+ dir = opendir(ctrl_iface_dir);
+ if (dir == NULL)
+ return;
+
+ while ((dent = readdir(dir))) {
+ if (strcmp(dent->d_name, ".") == 0 ||
+ strcmp(dent->d_name, "..") == 0)
+ continue;
+ cli_txt_list_add(interfaces, dent->d_name);
+ }
+ closedir(dir);
+}
+
+
+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();
+ os_free(ctrl_ifname);
+ ctrl_ifname = os_strdup(argv[0]);
+ if (ctrl_ifname == NULL)
+ return -1;
+
+ 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;
+ register_event_handler(ctrl_conn);
+ } 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 char ** hostapd_complete_interface(const char *str, int pos)
+{
+ int arg = get_cmd_arg_num(str, pos);
+ char **res = NULL;
+ DEFINE_DL_LIST(interfaces);
+
+ switch (arg) {
+ case 1:
+ hostapd_cli_get_interfaces(ctrl_conn, &interfaces);
+ res = cli_txt_list_array(&interfaces);
+ cli_txt_list_flush(&interfaces);
+ break;
+ }
+
+ return res;
+}
+
+
+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 (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long SET command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_get(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ char cmd[256];
+ int res;
+
+ if (argc != 1) {
+ printf("Invalid GET command: needs one argument (variable "
+ "name)\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "GET %s", argv[0]);
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long GET command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+#ifdef CONFIG_FST
+static int hostapd_cli_cmd_fst(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ char cmd[256];
+ int res;
+ int i;
+ int total;
+
+ if (argc <= 0) {
+ printf("FST command: parameters are required.\n");
+ return -1;
+ }
+
+ total = os_snprintf(cmd, sizeof(cmd), "FST-MANAGER");
+
+ for (i = 0; i < argc; i++) {
+ res = os_snprintf(cmd + total, sizeof(cmd) - total, " %s",
+ argv[i]);
+ if (os_snprintf_error(sizeof(cmd) - total, res)) {
+ printf("Too long fst command.\n");
+ return -1;
+ }
+ total += res;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+#endif /* CONFIG_FST */
+
+
+static int hostapd_cli_cmd_chan_switch(struct wpa_ctrl *ctrl,
+ int argc, char *argv[])
+{
+ char cmd[256];
+ int res;
+ int i;
+ char *tmp;
+ int total;
+
+ if (argc < 2) {
+ printf("Invalid chan_switch command: needs at least two "
+ "arguments (count and freq)\n"
+ "usage: <cs_count> <freq> [sec_channel_offset=] "
+ "[center_freq1=] [center_freq2=] [bandwidth=] "
+ "[blocktx] [ht|vht]\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "CHAN_SWITCH %s %s",
+ argv[0], argv[1]);
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long CHAN_SWITCH command.\n");
+ return -1;
+ }
+
+ total = res;
+ for (i = 2; i < argc; i++) {
+ tmp = cmd + total;
+ res = os_snprintf(tmp, sizeof(cmd) - total, " %s", argv[i]);
+ if (os_snprintf_error(sizeof(cmd) - total, res)) {
+ printf("Too long CHAN_SWITCH command.\n");
+ return -1;
+ }
+ total += res;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_enable(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "ENABLE");
+}
+
+
+static int hostapd_cli_cmd_reload(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "RELOAD");
+}
+
+
+static int hostapd_cli_cmd_disable(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "DISABLE");
+}
+
+
+static int hostapd_cli_cmd_vendor(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ char cmd[256];
+ int res;
+
+ if (argc < 2 || argc > 3) {
+ printf("Invalid vendor command\n"
+ "usage: <vendor id> <command id> [<hex formatted command argument>]\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "VENDOR %s %s %s", argv[0], argv[1],
+ argc == 3 ? argv[2] : "");
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long VENDOR command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_erp_flush(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "ERP_FLUSH");
+}
+
+
+static int hostapd_cli_cmd_log_level(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char cmd[256];
+ int res;
+
+ res = os_snprintf(cmd, sizeof(cmd), "LOG_LEVEL%s%s%s%s",
+ argc >= 1 ? " " : "",
+ argc >= 1 ? argv[0] : "",
+ argc == 2 ? " " : "",
+ argc == 2 ? argv[1] : "");
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long option\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_raw(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ if (argc == 0)
+ return -1;
+ return hostapd_cli_cmd(ctrl, argv[0], 0, argc - 1, &argv[1]);
+}
+
+
+static int hostapd_cli_cmd_pmksa(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "PMKSA");
+}
+
+
+static int hostapd_cli_cmd_pmksa_flush(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "PMKSA_FLUSH");
+}
+
+
+static int hostapd_cli_cmd_set_neighbor(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char cmd[2048];
+ int res;
+
+ if (argc < 3 || argc > 5) {
+ printf("Invalid set_neighbor command: needs 3-5 arguments\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "SET_NEIGHBOR %s %s %s %s %s",
+ argv[0], argv[1], argv[2], argc >= 4 ? argv[3] : "",
+ argc == 5 ? argv[4] : "");
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long SET_NEIGHBOR command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_remove_neighbor(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char cmd[400];
+ int res;
+
+ if (argc != 2) {
+ printf("Invalid remove_neighbor command: needs 2 arguments\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "REMOVE_NEIGHBOR %s %s",
+ argv[0], argv[1]);
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long REMOVE_NEIGHBOR command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_req_lci(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char cmd[256];
+ int res;
+
+ if (argc != 1) {
+ printf("Invalid req_lci command - requires destination address\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "REQ_LCI %s", argv[0]);
+ if (os_snprintf_error(sizeof(cmd), res)) {
+ printf("Too long REQ_LCI command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int hostapd_cli_cmd_req_range(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ if (argc < 4) {
+ printf("Invalid req_range command: needs at least 4 arguments - dest address, randomization interval, min AP count, and 1 to 16 AP addresses\n");
+ return -1;
+ }
+
+ return hostapd_cli_cmd(ctrl, "REQ_RANGE", 4, argc, argv);
+}
+
+
+static int hostapd_cli_cmd_driver_flags(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "DRIVER_FLAGS");
+}
+
+
+struct hostapd_cli_cmd {
+ const char *cmd;
+ int (*handler)(struct wpa_ctrl *ctrl, int argc, char *argv[]);
+ char ** (*completion)(const char *str, int pos);
+ const char *usage;
+};
+
+static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
+ { "ping", hostapd_cli_cmd_ping, NULL,
+ "= pings hostapd" },
+ { "mib", hostapd_cli_cmd_mib, NULL,
+ "= get MIB variables (dot1x, dot11, radius)" },
+ { "relog", hostapd_cli_cmd_relog, NULL, NULL },
+ { "status", hostapd_cli_cmd_status, NULL, NULL },
+ { "sta", hostapd_cli_cmd_sta, NULL,
+ "<addr> = get MIB variables for one station" },
+ { "all_sta", hostapd_cli_cmd_all_sta, NULL,
+ "= get MIB variables for all stations" },
+ { "new_sta", hostapd_cli_cmd_new_sta, NULL,
+ "<addr> = add a new station" },
+ { "deauthenticate", hostapd_cli_cmd_deauthenticate,
+ hostapd_complete_deauthenticate,
+ "<addr> = deauthenticate a station" },
+ { "disassociate", hostapd_cli_cmd_disassociate,
+ hostapd_complete_disassociate,
+ "<addr> = disassociate a station" },
+#ifdef CONFIG_TAXONOMY
+ { "signature", hostapd_cli_cmd_signature, NULL,
+ "<addr> = get taxonomy signature for a station" },
+#endif /* CONFIG_TAXONOMY */
+#ifdef CONFIG_IEEE80211W
+ { "sa_query", hostapd_cli_cmd_sa_query, NULL,
+ "<addr> = send SA Query to a station" },
+#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_WPS
+ { "wps_pin", hostapd_cli_cmd_wps_pin, NULL,
+ "<uuid> <pin> [timeout] [addr] = add WPS Enrollee PIN" },
+ { "wps_check_pin", hostapd_cli_cmd_wps_check_pin, NULL,
+ "<PIN> = verify PIN checksum" },
+ { "wps_pbc", hostapd_cli_cmd_wps_pbc, NULL,
+ "= indicate button pushed to initiate PBC" },
+ { "wps_cancel", hostapd_cli_cmd_wps_cancel, NULL,
+ "= cancel the pending WPS operation" },
+#ifdef CONFIG_WPS_NFC
+ { "wps_nfc_tag_read", hostapd_cli_cmd_wps_nfc_tag_read, NULL,
+ "<hexdump> = report read NFC tag with WPS data" },
+ { "wps_nfc_config_token", hostapd_cli_cmd_wps_nfc_config_token, NULL,
+ "<WPS/NDEF> = build NFC configuration token" },
+ { "wps_nfc_token", hostapd_cli_cmd_wps_nfc_token, NULL,
+ "<WPS/NDEF/enable/disable> = manager NFC password token" },
+ { "nfc_get_handover_sel", hostapd_cli_cmd_nfc_get_handover_sel, NULL,
+ NULL },
+#endif /* CONFIG_WPS_NFC */
+ { "wps_ap_pin", hostapd_cli_cmd_wps_ap_pin, NULL,
+ "<cmd> [params..] = enable/disable AP PIN" },
+ { "wps_config", hostapd_cli_cmd_wps_config, NULL,
+ "<SSID> <auth> <encr> <key> = configure AP" },
+ { "wps_get_status", hostapd_cli_cmd_wps_get_status, NULL,
+ "= show current WPS status" },
+#endif /* CONFIG_WPS */
+ { "disassoc_imminent", hostapd_cli_cmd_disassoc_imminent, NULL, NULL },
+ { "ess_disassoc", hostapd_cli_cmd_ess_disassoc, NULL, NULL },
+ { "bss_tm_req", hostapd_cli_cmd_bss_tm_req, NULL, NULL },
+ { "get_config", hostapd_cli_cmd_get_config, NULL,
+ "= show current configuration" },
+ { "help", hostapd_cli_cmd_help, hostapd_cli_complete_help,
+ "= show this usage help" },
+ { "interface", hostapd_cli_cmd_interface, hostapd_complete_interface,
+ "[ifname] = show interfaces/select interface" },
+#ifdef CONFIG_FST
+ { "fst", hostapd_cli_cmd_fst, NULL, NULL },
+#endif /* CONFIG_FST */
+ { "raw", hostapd_cli_cmd_raw, NULL, NULL },
+ { "level", hostapd_cli_cmd_level, NULL,
+ "<debug level> = change debug level" },
+ { "license", hostapd_cli_cmd_license, NULL,
+ "= show full hostapd_cli license" },
+ { "quit", hostapd_cli_cmd_quit, NULL,
+ "= exit hostapd_cli" },
+ { "set", hostapd_cli_cmd_set, NULL, NULL },
+ { "get", hostapd_cli_cmd_get, NULL, NULL },
+ { "set_qos_map_set", hostapd_cli_cmd_set_qos_map_set, NULL, NULL },
+ { "send_qos_map_conf", hostapd_cli_cmd_send_qos_map_conf, NULL, NULL },
+ { "chan_switch", hostapd_cli_cmd_chan_switch, NULL, NULL },
+ { "hs20_wnm_notif", hostapd_cli_cmd_hs20_wnm_notif, NULL, NULL },
+ { "hs20_deauth_req", hostapd_cli_cmd_hs20_deauth_req, NULL, NULL },
+ { "vendor", hostapd_cli_cmd_vendor, NULL, NULL },
+ { "enable", hostapd_cli_cmd_enable, NULL, NULL },
+ { "reload", hostapd_cli_cmd_reload, NULL, NULL },
+ { "disable", hostapd_cli_cmd_disable, NULL, NULL },
+ { "erp_flush", hostapd_cli_cmd_erp_flush, NULL, NULL },
+ { "log_level", hostapd_cli_cmd_log_level, NULL, NULL },
+ { "pmksa", hostapd_cli_cmd_pmksa, NULL, NULL },
+ { "pmksa_flush", hostapd_cli_cmd_pmksa_flush, NULL, NULL },
+ { "set_neighbor", hostapd_cli_cmd_set_neighbor, NULL, NULL },
+ { "remove_neighbor", hostapd_cli_cmd_remove_neighbor, NULL, NULL },
+ { "req_lci", hostapd_cli_cmd_req_lci, NULL, NULL },
+ { "req_range", hostapd_cli_cmd_req_range, NULL, NULL },
+ { "driver_flags", hostapd_cli_cmd_driver_flags, NULL, NULL },
+ { NULL, NULL, NULL, NULL }
+};
+
+
+/*
+ * Prints command usage, lines are padded with the specified string.
+ */
+static void print_cmd_help(FILE *stream, const struct hostapd_cli_cmd *cmd,
+ const char *pad)
+{
+ char c;
+ size_t n;
+
+ if (cmd->usage == NULL)
+ return;
+ fprintf(stream, "%s%s ", pad, cmd->cmd);
+ for (n = 0; (c = cmd->usage[n]); n++) {
+ fprintf(stream, "%c", c);
+ if (c == '\n')
+ fprintf(stream, "%s", pad);
+ }
+ fprintf(stream, "\n");
+}
+
+
+static void print_help(FILE *stream, const char *cmd)
+{
+ int n;
+
+ fprintf(stream, "commands:\n");
+ for (n = 0; hostapd_cli_commands[n].cmd; n++) {
+ if (cmd == NULL || str_starts(hostapd_cli_commands[n].cmd, cmd))
+ print_cmd_help(stream, &hostapd_cli_commands[n], " ");
+ }
+}
+
+
+static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ const 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;
+ if (os_strcasecmp(cmd->cmd, argv[0]) == 0) {
+ /* we have an exact match */
+ count = 1;
+ break;
+ }
+ 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 cli_event(const char *str)
+{
+ const char *start, *s;
+
+ start = os_strchr(str, '>');
+ if (start == NULL)
+ return;
+
+ start++;
+
+ if (str_starts(start, AP_STA_CONNECTED)) {
+ s = os_strchr(start, ' ');
+ if (s == NULL)
+ return;
+ cli_txt_list_add(&stations, s + 1);
+ return;
+ }
+
+ if (str_starts(start, AP_STA_DISCONNECTED)) {
+ s = os_strchr(start, ' ');
+ if (s == NULL)
+ return;
+ cli_txt_list_del_addr(&stations, s + 1);
+ return;
+ }
+}
+
+
+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 {
+ cli_event(buf);
+ 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_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+ hostapd_cli_recv_pending(ctrl_conn, 0, 0);
+}
+
+
+static void hostapd_cli_ping(void *eloop_ctx, void *timeout_ctx)
+{
+ 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;
+ register_event_handler(ctrl_conn);
+ } else {
+ printf("Warning: Failed to attach to "
+ "hostapd.\n");
+ }
+ }
+ }
+ if (ctrl_conn)
+ hostapd_cli_recv_pending(ctrl_conn, 1, 0);
+ eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
+}
+
+
+static void hostapd_cli_eloop_terminate(int sig, void *signal_ctx)
+{
+ eloop_terminate();
+}
+
+
+static void hostapd_cli_edit_cmd_cb(void *ctx, char *cmd)
+{
+ char *argv[max_args];
+ int argc;
+ argc = tokenize_cmd(cmd, argv);
+ if (argc)
+ wpa_request(ctrl_conn, argc, argv);
+}
+
+
+static void hostapd_cli_edit_eof_cb(void *ctx)
+{
+ eloop_terminate();
+}
+
+
+static char ** list_cmd_list(void)
+{
+ char **res;
+ int i, count;
+
+ count = ARRAY_SIZE(hostapd_cli_commands);
+ res = os_calloc(count + 1, sizeof(char *));
+ if (res == NULL)
+ return NULL;
+
+ for (i = 0; hostapd_cli_commands[i].cmd; i++) {
+ res[i] = os_strdup(hostapd_cli_commands[i].cmd);
+ if (res[i] == NULL)
+ break;
+ }
+
+ return res;
+}
+
+
+static char ** hostapd_cli_cmd_completion(const char *cmd, const char *str,
+ int pos)
+{
+ int i;
+
+ for (i = 0; hostapd_cli_commands[i].cmd; i++) {
+ if (os_strcasecmp(hostapd_cli_commands[i].cmd, cmd) != 0)
+ continue;
+ if (hostapd_cli_commands[i].completion)
+ return hostapd_cli_commands[i].completion(str, pos);
+ if (!hostapd_cli_commands[i].usage)
+ return NULL;
+ edit_clear_line();
+ printf("\r%s\n", hostapd_cli_commands[i].usage);
+ edit_redraw();
+ break;
+ }
+
+ return NULL;
+}
+
+
+static char ** hostapd_cli_edit_completion_cb(void *ctx, const char *str,
+ int pos)
+{
+ char **res;
+ const char *end;
+ char *cmd;
+
+ end = os_strchr(str, ' ');
+ if (end == NULL || str + pos < end)
+ return list_cmd_list();
+
+ cmd = os_malloc(pos + 1);
+ if (cmd == NULL)
+ return NULL;
+ os_memcpy(cmd, str, pos);
+ cmd[end - str] = '\0';
+ res = hostapd_cli_cmd_completion(cmd, str, pos);
+ os_free(cmd);
+ return res;
+}
+
+
+static void hostapd_cli_interactive(void)
+{
+ printf("\nInteractive mode\n\n");
+
+ eloop_register_signal_terminate(hostapd_cli_eloop_terminate, NULL);
+ edit_init(hostapd_cli_edit_cmd_cb, hostapd_cli_edit_eof_cb,
+ hostapd_cli_edit_completion_cb, NULL, NULL, NULL);
+ eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
+
+ eloop_run();
+
+ cli_txt_list_flush(&stations);
+ edit_deinit(NULL, NULL);
+ eloop_cancel_timeout(hostapd_cli_ping, NULL, NULL);
+}
+
+
+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_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 warning_displayed = 0;
+ int c;
+ int daemonize = 0;
+
+ if (os_program_init())
+ return -1;
+
+ for (;;) {
+ c = getopt(argc, argv, "a:BhG:i:p:P:s: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;
+ case 'P':
+ pid_file = optarg;
+ break;
+ case 's':
+ client_socket_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, cli_license);
+ }
+
+ if (eloop_init())
+ return -1;
+
+ 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;
+ }
+
+ if (interactive || action_file) {
+ if (wpa_ctrl_attach(ctrl_conn) == 0) {
+ hostapd_cli_attached = 1;
+ register_event_handler(ctrl_conn);
+ } else {
+ printf("Warning: Failed to attach to hostapd.\n");
+ if (action_file)
+ return -1;
+ }
+ }
+
+ if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
+ 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]);
+
+ unregister_event_handler(ctrl_conn);
+ os_free(ctrl_ifname);
+ eloop_destroy();
+ hostapd_cli_cleanup();
+ return 0;
+}
+
+#else /* CONFIG_NO_CTRL_IFACE */
+
+int main(int argc, char *argv[])
+{
+ return -1;
+}
+
+#endif /* CONFIG_NO_CTRL_IFACE */
projects / mech_eap.git / blobdiff