/* * hostapd - command line interface for hostapd daemon * Copyright (c) 2004-2019, Jouni Malinen * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #include "includes.h" #include #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) 2004-2019, Jouni Malinen 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 update_stations(struct wpa_ctrl *ctrl); static void cli_event(const char *str); static void usage(void) { fprintf(stderr, "%s\n", hostapd_cli_version); fprintf(stderr, "\n" "usage: hostapd_cli [-p] [-i] [-hvB] " "[-a] \\\n" " [-P] [-G] [command..]\n" "\n" "Options:\n" " -h help (show this usage text)\n" " -v shown version information\n" " -p path to find control sockets (default: " "/var/run/hostapd)\n" " -s dir path to open client sockets (default: " CONFIG_CTRL_IFACE_DIR ")\n" " -a run in daemon mode executing the action file " "based on events\n" " from hostapd\n" " -B run a daemon in the background\n" " -i 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 int hostapd_cli_reconnect(const char *ifname) { char *next_ctrl_ifname; hostapd_cli_close_connection(); if (!ifname) return -1; next_ctrl_ifname = os_strdup(ifname); os_free(ctrl_ifname); ctrl_ifname = next_ctrl_ifname; if (!ctrl_ifname) return -1; ctrl_conn = hostapd_cli_open_connection(ctrl_ifname); if (!ctrl_conn) return -1; if (!interactive && !action_file) return 0; if (wpa_ctrl_attach(ctrl_conn) == 0) { hostapd_cli_attached = 1; register_event_handler(ctrl_conn); update_stations(ctrl_conn); } else { printf("Warning: Failed to attach to hostapd.\n"); } return 0; } static void hostapd_cli_msg_cb(char *msg, size_t len) { cli_event(msg); printf("%s\n", msg); } static int _wpa_ctrl_command(struct wpa_ctrl *ctrl, const 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, const 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 char ** hostapd_complete_stations(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_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); } 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); } #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 */ 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); } 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, const char *cmd, char *addr, size_t addr_len, int print) { 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 || memcmp(buf, "UNKNOWN COMMAND", 15) == 0) return -1; if (print) 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), 1)) return 0; do { snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr); } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 1) == 0); return -1; } static int hostapd_cli_cmd_list_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), 0)) return 0; do { if (os_strcmp(addr, "") != 0) printf("%s\n", addr); os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr); } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 0) == 0); return 0; } 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 update_stations(struct wpa_ctrl *ctrl) { char addr[32], cmd[64]; if (!ctrl || !interactive) return; cli_txt_list_flush(&stations); if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 0)) return; do { if (os_strcmp(addr, "") != 0) cli_txt_list_add(&stations, addr); os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr); } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 0) == 0); } 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; } if (hostapd_cli_reconnect(argv[0]) != 0) { 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[2048]; 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 char ** hostapd_complete_set(const char *str, int pos) { int arg = get_cmd_arg_num(str, pos); const char *fields[] = { #ifdef CONFIG_WPS_TESTING "wps_version_number", "wps_testing_dummy_cred", "wps_corrupt_pkhash", #endif /* CONFIG_WPS_TESTING */ #ifdef CONFIG_INTERWORKING "gas_frag_limit", #endif /* CONFIG_INTERWORKING */ #ifdef CONFIG_TESTING_OPTIONS "ext_mgmt_frame_handling", "ext_eapol_frame_io", #endif /* CONFIG_TESTING_OPTIONS */ #ifdef CONFIG_MBO "mbo_assoc_disallow", #endif /* CONFIG_MBO */ "deny_mac_file", "accept_mac_file", }; int i, num_fields = ARRAY_SIZE(fields); if (arg == 1) { char **res; res = os_calloc(num_fields + 1, sizeof(char *)); if (!res) return NULL; for (i = 0; i < num_fields; i++) { res[i] = os_strdup(fields[i]); if (!res[i]) return res; } return res; } return NULL; } 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); } static char ** hostapd_complete_get(const char *str, int pos) { int arg = get_cmd_arg_num(str, pos); const char *fields[] = { "version", "tls_library", }; int i, num_fields = ARRAY_SIZE(fields); if (arg == 1) { char **res; res = os_calloc(num_fields + 1, sizeof(char *)); if (!res) return NULL; for (i = 0; i < num_fields; i++) { res[i] = os_strdup(fields[i]); if (!res[i]) return res; } return res; } return NULL; } #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: [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_update_beacon(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return wpa_ctrl_command(ctrl, "UPDATE_BEACON"); } 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: []\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 > 6) { printf("Invalid set_neighbor command: needs 3-6 arguments\n"); return -1; } res = os_snprintf(cmd, sizeof(cmd), "SET_NEIGHBOR %s %s %s %s %s %s", argv[0], argv[1], argv[2], argc >= 4 ? argv[3] : "", argc >= 5 ? argv[4] : "", argc == 6 ? argv[5] : ""); 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"); } #ifdef CONFIG_DPP static int hostapd_cli_cmd_dpp_qr_code(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_QR_CODE", 1, argc, argv); } static int hostapd_cli_cmd_dpp_bootstrap_gen(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_GEN", 1, argc, argv); } static int hostapd_cli_cmd_dpp_bootstrap_remove(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_REMOVE", 1, argc, argv); } static int hostapd_cli_cmd_dpp_bootstrap_get_uri(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_GET_URI", 1, argc, argv); } static int hostapd_cli_cmd_dpp_bootstrap_info(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_INFO", 1, argc, argv); } static int hostapd_cli_cmd_dpp_auth_init(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_AUTH_INIT", 1, argc, argv); } static int hostapd_cli_cmd_dpp_listen(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_LISTEN", 1, argc, argv); } static int hostapd_cli_cmd_dpp_stop_listen(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return wpa_ctrl_command(ctrl, "DPP_STOP_LISTEN"); } static int hostapd_cli_cmd_dpp_configurator_add(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_ADD", 0, argc, argv); } static int hostapd_cli_cmd_dpp_configurator_remove(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_REMOVE", 1, argc, argv); } static int hostapd_cli_cmd_dpp_configurator_get_key(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_GET_KEY", 1, argc, argv); } static int hostapd_cli_cmd_dpp_configurator_sign(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_SIGN", 1, argc, argv); } static int hostapd_cli_cmd_dpp_pkex_add(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_PKEX_ADD", 1, argc, argv); } static int hostapd_cli_cmd_dpp_pkex_remove(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DPP_PKEX_REMOVE", 1, argc, argv); } #endif /* CONFIG_DPP */ static int hostapd_cli_cmd_accept_macacl(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "ACCEPT_ACL", 1, argc, argv); } static int hostapd_cli_cmd_deny_macacl(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "DENY_ACL", 1, argc, argv); } static int hostapd_cli_cmd_poll_sta(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "POLL_STA", 1, argc, argv); } static int hostapd_cli_cmd_req_beacon(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return hostapd_cli_cmd(ctrl, "REQ_BEACON", 2, argc, argv); } static int hostapd_cli_cmd_reload_wpa_psk(struct wpa_ctrl *ctrl, int argc, char *argv[]) { return wpa_ctrl_command(ctrl, "RELOAD_WPA_PSK"); } 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, "= reload/truncate debug log output file" }, { "status", hostapd_cli_cmd_status, NULL, "= show interface status info" }, { "sta", hostapd_cli_cmd_sta, hostapd_complete_stations, " = get MIB variables for one station" }, { "all_sta", hostapd_cli_cmd_all_sta, NULL, "= get MIB variables for all stations" }, { "list_sta", hostapd_cli_cmd_list_sta, NULL, "= list all stations" }, { "new_sta", hostapd_cli_cmd_new_sta, NULL, " = add a new station" }, { "deauthenticate", hostapd_cli_cmd_deauthenticate, hostapd_complete_stations, " = deauthenticate a station" }, { "disassociate", hostapd_cli_cmd_disassociate, hostapd_complete_stations, " = disassociate a station" }, { "signature", hostapd_cli_cmd_signature, hostapd_complete_stations, " = get taxonomy signature for a station" }, #ifdef CONFIG_IEEE80211W { "sa_query", hostapd_cli_cmd_sa_query, hostapd_complete_stations, " = send SA Query to a station" }, #endif /* CONFIG_IEEE80211W */ { "wps_pin", hostapd_cli_cmd_wps_pin, NULL, " [timeout] [addr] = add WPS Enrollee PIN" }, { "wps_check_pin", hostapd_cli_cmd_wps_check_pin, NULL, " = 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, " = report read NFC tag with WPS data" }, { "wps_nfc_config_token", hostapd_cli_cmd_wps_nfc_config_token, NULL, " = build NFC configuration token" }, { "wps_nfc_token", hostapd_cli_cmd_wps_nfc_token, NULL, " = 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, " [params..] = enable/disable AP PIN" }, { "wps_config", hostapd_cli_cmd_wps_config, NULL, " = configure AP" }, { "wps_get_status", hostapd_cli_cmd_wps_get_status, NULL, "= show current WPS status" }, { "disassoc_imminent", hostapd_cli_cmd_disassoc_imminent, NULL, "= send Disassociation Imminent notification" }, { "ess_disassoc", hostapd_cli_cmd_ess_disassoc, NULL, "= send ESS Dissassociation Imminent notification" }, { "bss_tm_req", hostapd_cli_cmd_bss_tm_req, NULL, "= send BSS Transition Management Request" }, { "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, " = send FST-MANAGER control interface command" }, #endif /* CONFIG_FST */ { "raw", hostapd_cli_cmd_raw, NULL, " = send unprocessed command" }, { "level", hostapd_cli_cmd_level, NULL, " = 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, hostapd_complete_set, " = set runtime variables" }, { "get", hostapd_cli_cmd_get, hostapd_complete_get, " = get runtime info" }, { "set_qos_map_set", hostapd_cli_cmd_set_qos_map_set, NULL, " = set QoS Map set element" }, { "send_qos_map_conf", hostapd_cli_cmd_send_qos_map_conf, hostapd_complete_stations, " = send QoS Map Configure frame" }, { "chan_switch", hostapd_cli_cmd_chan_switch, NULL, " [sec_channel_offset=] [center_freq1=]\n" " [center_freq2=] [bandwidth=] [blocktx] [ht|vht]\n" " = initiate channel switch announcement" }, { "hs20_wnm_notif", hostapd_cli_cmd_hs20_wnm_notif, NULL, " \n" " = send WNM-Notification Subscription Remediation Request" }, { "hs20_deauth_req", hostapd_cli_cmd_hs20_deauth_req, NULL, " [url]\n" " = send WNM-Notification imminent deauthentication indication" }, { "vendor", hostapd_cli_cmd_vendor, NULL, " []\n" " = send vendor driver command" }, { "enable", hostapd_cli_cmd_enable, NULL, "= enable hostapd on current interface" }, { "reload", hostapd_cli_cmd_reload, NULL, "= reload configuration for current interface" }, { "disable", hostapd_cli_cmd_disable, NULL, "= disable hostapd on current interface" }, { "update_beacon", hostapd_cli_cmd_update_beacon, NULL, "= update Beacon frame contents\n"}, { "erp_flush", hostapd_cli_cmd_erp_flush, NULL, "= drop all ERP keys"}, { "log_level", hostapd_cli_cmd_log_level, NULL, "[level] = show/change log verbosity level" }, { "pmksa", hostapd_cli_cmd_pmksa, NULL, " = show PMKSA cache entries" }, { "pmksa_flush", hostapd_cli_cmd_pmksa_flush, NULL, " = flush PMKSA cache" }, { "set_neighbor", hostapd_cli_cmd_set_neighbor, NULL, " [lci=] [civic=] [stat]\n" " = add AP to neighbor database" }, { "remove_neighbor", hostapd_cli_cmd_remove_neighbor, NULL, " = remove AP from neighbor database" }, { "req_lci", hostapd_cli_cmd_req_lci, hostapd_complete_stations, " = send LCI request to a station"}, { "req_range", hostapd_cli_cmd_req_range, NULL, " = send FTM range request"}, { "driver_flags", hostapd_cli_cmd_driver_flags, NULL, " = show supported driver flags"}, #ifdef CONFIG_DPP { "dpp_qr_code", hostapd_cli_cmd_dpp_qr_code, NULL, "report a scanned DPP URI from a QR Code" }, { "dpp_bootstrap_gen", hostapd_cli_cmd_dpp_bootstrap_gen, NULL, "type= [chan=..] [mac=..] [info=..] [curve=..] [key=..] = generate DPP bootstrap information" }, { "dpp_bootstrap_remove", hostapd_cli_cmd_dpp_bootstrap_remove, NULL, "*| = remove DPP bootstrap information" }, { "dpp_bootstrap_get_uri", hostapd_cli_cmd_dpp_bootstrap_get_uri, NULL, " = get DPP bootstrap URI" }, { "dpp_bootstrap_info", hostapd_cli_cmd_dpp_bootstrap_info, NULL, " = show DPP bootstrap information" }, { "dpp_auth_init", hostapd_cli_cmd_dpp_auth_init, NULL, "peer= [own=] = initiate DPP bootstrapping" }, { "dpp_listen", hostapd_cli_cmd_dpp_listen, NULL, " = start DPP listen" }, { "dpp_stop_listen", hostapd_cli_cmd_dpp_stop_listen, NULL, "= stop DPP listen" }, { "dpp_configurator_add", hostapd_cli_cmd_dpp_configurator_add, NULL, "[curve=..] [key=..] = add DPP configurator" }, { "dpp_configurator_remove", hostapd_cli_cmd_dpp_configurator_remove, NULL, "*| = remove DPP configurator" }, { "dpp_configurator_get_key", hostapd_cli_cmd_dpp_configurator_get_key, NULL, " = Get DPP configurator's private key" }, { "dpp_configurator_sign", hostapd_cli_cmd_dpp_configurator_sign, NULL, "conf= configurator= = generate self DPP configuration" }, { "dpp_pkex_add", hostapd_cli_cmd_dpp_pkex_add, NULL, "add PKEX code" }, { "dpp_pkex_remove", hostapd_cli_cmd_dpp_pkex_remove, NULL, "*| = remove DPP pkex information" }, #endif /* CONFIG_DPP */ { "accept_acl", hostapd_cli_cmd_accept_macacl, NULL, "=Add/Delete/Show/Clear accept MAC ACL" }, { "deny_acl", hostapd_cli_cmd_deny_macacl, NULL, "=Add/Delete/Show/Clear deny MAC ACL" }, { "poll_sta", hostapd_cli_cmd_poll_sta, hostapd_complete_stations, " = poll a STA to check connectivity with a QoS null frame" }, { "req_beacon", hostapd_cli_cmd_req_beacon, NULL, " [req_mode=] = send a Beacon report request to a station" }, { "reload_wpa_psk", hostapd_cli_cmd_reload_wpa_psk, NULL, "= reload wpa_psk_file only" }, { 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[4096]; 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 && hostapd_cli_reconnect(ctrl_ifname) == 0) printf("Connection to hostapd re-established\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) { char *hfile = NULL; char *home; printf("\nInteractive mode\n\n"); #ifdef CONFIG_HOSTAPD_CLI_HISTORY_DIR home = CONFIG_HOSTAPD_CLI_HISTORY_DIR; #else /* CONFIG_HOSTAPD_CLI_HISTORY_DIR */ home = getenv("HOME"); #endif /* CONFIG_HOSTAPD_CLI_HISTORY_DIR */ if (home) { const char *fname = ".hostapd_cli_history"; int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1; hfile = os_malloc(hfile_len); if (hfile) os_snprintf(hfile, hfile_len, "%s/%s", home, fname); } 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, hfile, NULL); eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL); eloop_run(); cli_txt_list_flush(&stations); edit_deinit(hfile, NULL); os_free(hfile); 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); } } hostapd_cli_reconnect(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 (action_file && !hostapd_cli_attached) 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 */