#include <readline/readline.h>
#include <readline/history.h>
#endif /* CONFIG_READLINE */
+#ifdef CONFIG_WPA_CLI_FORK
+#include <sys/wait.h>
+#endif /* CONFIG_WPA_CLI_FORK */
#include "common/wpa_ctrl.h"
#include "common.h"
static struct wpa_ctrl *ctrl_conn;
static struct wpa_ctrl *mon_conn;
+#ifdef CONFIG_WPA_CLI_FORK
+static pid_t mon_pid = 0;
+#endif /* CONFIG_WPA_CLI_FORK */
static int wpa_cli_quit = 0;
static int wpa_cli_attached = 0;
static int wpa_cli_connected = 0;
}
+static void readline_redraw()
+{
+#ifdef CONFIG_READLINE
+ rl_on_new_line();
+ rl_redisplay();
+#endif /* CONFIG_READLINE */
+}
+
+
+static int str_starts(const char *src, const char *match)
+{
+ return os_strncmp(src, match, os_strlen(match)) == 0;
+}
+
+
+static int wpa_cli_show_event(const char *event)
+{
+ const char *start;
+
+ start = os_strchr(event, '>');
+ if (start == NULL)
+ return 1;
+
+ start++;
+ /*
+ * Skip BSS added/removed events since they can be relatively frequent
+ * and are likely of not much use for an interactive user.
+ */
+ if (str_starts(start, WPA_EVENT_BSS_ADDED) ||
+ str_starts(start, WPA_EVENT_BSS_REMOVED))
+ return 0;
+
+ return 1;
+}
+
+
+#ifdef CONFIG_WPA_CLI_FORK
+static int in_query = 0;
+
+static void wpa_cli_monitor_sig(int sig)
+{
+ if (sig == SIGUSR1)
+ in_query = 1;
+ else if (sig == SIGUSR2)
+ in_query = 0;
+}
+
+
+static void wpa_cli_monitor(void)
+{
+ char buf[256];
+ size_t len = sizeof(buf) - 1;
+ struct timeval tv;
+ fd_set rfds;
+ int ppid;
+
+ signal(SIGUSR1, wpa_cli_monitor_sig);
+ signal(SIGUSR2, wpa_cli_monitor_sig);
+
+ ppid = getppid();
+ while (mon_conn) {
+ int s = wpa_ctrl_get_fd(mon_conn);
+ tv.tv_sec = 5;
+ tv.tv_usec = 0;
+ FD_ZERO(&rfds);
+ FD_SET(s, &rfds);
+ if (select(s + 1, &rfds, NULL, NULL, &tv) < 0) {
+ if (errno == EINTR)
+ continue;
+ perror("select");
+ break;
+ }
+ if (mon_conn == NULL)
+ break;
+ if (FD_ISSET(s, &rfds)) {
+ len = sizeof(buf) - 1;
+ int res = wpa_ctrl_recv(mon_conn, buf, &len);
+ if (res < 0) {
+ perror("wpa_ctrl_recv");
+ break;
+ }
+ buf[len] = '\0';
+ if (wpa_cli_show_event(buf)) {
+ if (in_query)
+ printf("\r");
+ printf("%s\n", buf);
+ kill(ppid, SIGUSR1);
+ }
+ }
+ }
+}
+#endif /* CONFIG_WPA_CLI_FORK */
+
+
static int wpa_cli_open_connection(const char *ifname, int attach)
{
#if defined(CONFIG_CTRL_IFACE_UDP) || defined(CONFIG_CTRL_IFACE_NAMED_PIPE)
"wpa_supplicant.\n");
return -1;
}
+
+#ifdef CONFIG_WPA_CLI_FORK
+ {
+ pid_t p = fork();
+ if (p < 0) {
+ perror("fork");
+ return -1;
+ }
+ if (p == 0) {
+ wpa_cli_monitor();
+ exit(0);
+ } else
+ mon_pid = p;
+ }
+#endif /* CONFIG_WPA_CLI_FORK */
}
return 0;
if (ctrl_conn == NULL)
return;
+#ifdef CONFIG_WPA_CLI_FORK
+ if (mon_pid) {
+ int status;
+ kill(mon_pid, SIGPIPE);
+ wait(&status);
+ mon_pid = 0;
+ }
+#endif /* CONFIG_WPA_CLI_FORK */
+
if (wpa_cli_attached) {
wpa_ctrl_detach(interactive ? mon_conn : ctrl_conn);
wpa_cli_attached = 0;
}
+static int wpa_cli_cmd_note(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ char cmd[256];
+ int ret;
+ if (argc == 0)
+ return -1;
+ ret = os_snprintf(cmd, sizeof(cmd), "NOTE %s", argv[0]);
+ if (ret < 0 || (size_t) ret >= sizeof(cmd))
+ return -1;
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
static int wpa_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
return wpa_ctrl_command(ctrl, "MIB");
if (argc == 2)
res = os_snprintf(cmd, sizeof(cmd), "WPS_REG %s %s",
argv[0], argv[1]);
- else if (argc == 6) {
+ else if (argc == 5 || argc == 6) {
char ssid_hex[2 * 32 + 1];
char key_hex[2 * 64 + 1];
int i;
}
key_hex[0] = '\0';
- for (i = 0; i < 64; i++) {
- if (argv[5][i] == '\0')
- break;
- os_snprintf(&key_hex[i * 2], 3, "%02x", argv[5][i]);
+ if (argc == 6) {
+ for (i = 0; i < 64; i++) {
+ if (argv[5][i] == '\0')
+ break;
+ os_snprintf(&key_hex[i * 2], 3, "%02x",
+ argv[5][i]);
+ }
}
res = os_snprintf(cmd, sizeof(cmd),
static int wpa_cli_cmd_wps_er_start(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
+ char cmd[100];
+ if (argc > 0) {
+ os_snprintf(cmd, sizeof(cmd), "WPS_ER_START %s", argv[0]);
+ return wpa_ctrl_command(ctrl, cmd);
+ }
return wpa_ctrl_command(ctrl, "WPS_ER_START");
-
}
char cmd[256];
int res;
- if (argc != 2) {
- printf("Invalid WPS_ER_PIN command: need two arguments:\n"
+ if (argc < 2) {
+ printf("Invalid WPS_ER_PIN command: need at least two "
+ "arguments:\n"
"- UUID: use 'any' to select any\n"
- "- PIN: Enrollee PIN\n");
+ "- PIN: Enrollee PIN\n"
+ "optional: - Enrollee MAC address\n");
return -1;
}
- res = os_snprintf(cmd, sizeof(cmd), "WPS_ER_PIN %s %s",
- argv[0], argv[1]);
+ if (argc > 2)
+ res = os_snprintf(cmd, sizeof(cmd), "WPS_ER_PIN %s %s %s",
+ argv[0], argv[1], argv[2]);
+ else
+ res = os_snprintf(cmd, sizeof(cmd), "WPS_ER_PIN %s %s",
+ argv[0], argv[1]);
if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
printf("Too long WPS_ER_PIN command.\n");
return -1;
}
+static int wpa_cli_cmd_wps_er_config(struct wpa_ctrl *ctrl, int argc,
+ char *argv[])
+{
+ char cmd[256];
+ int res;
+
+ if (argc == 5 || argc == 6) {
+ char ssid_hex[2 * 32 + 1];
+ char key_hex[2 * 64 + 1];
+ int i;
+
+ ssid_hex[0] = '\0';
+ for (i = 0; i < 32; i++) {
+ if (argv[2][i] == '\0')
+ break;
+ os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[2][i]);
+ }
+
+ key_hex[0] = '\0';
+ if (argc == 6) {
+ for (i = 0; i < 64; i++) {
+ if (argv[5][i] == '\0')
+ break;
+ os_snprintf(&key_hex[i * 2], 3, "%02x",
+ argv[5][i]);
+ }
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd),
+ "WPS_ER_CONFIG %s %s %s %s %s %s",
+ argv[0], argv[1], ssid_hex, argv[3], argv[4],
+ key_hex);
+ } else {
+ printf("Invalid WPS_ER_CONFIG command: need six arguments:\n"
+ "- AP UUID\n"
+ "- AP PIN\n"
+ "- new SSID\n"
+ "- new auth (OPEN, WPAPSK, WPA2PSK)\n"
+ "- new encr (NONE, WEP, TKIP, CCMP)\n"
+ "- new key\n");
+ return -1;
+ }
+
+ if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+ printf("Too long WPS_ER_CONFIG command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
static int wpa_cli_cmd_ibss_rsn(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
char cmd[256];
"address, is required.\n");
return -1;
}
- snprintf(buf, sizeof(buf), "STA %s", argv[0]);
+ os_snprintf(buf, sizeof(buf), "STA %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr)))
return 0;
do {
- snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
+ os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
} while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr)) == 0);
return -1;
#endif /* CONFIG_AP */
+static int wpa_cli_cmd_suspend(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "SUSPEND");
+}
+
+
+static int wpa_cli_cmd_resume(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "RESUME");
+}
+
+
+static int wpa_cli_cmd_drop_sa(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ return wpa_ctrl_command(ctrl, "DROP_SA");
+}
+
+
+static int wpa_cli_cmd_roam(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+ char cmd[128];
+ int res;
+
+ if (argc != 1) {
+ printf("Invalid ROAM command: needs one argument "
+ "(target AP's BSSID)\n");
+ return -1;
+ }
+
+ res = os_snprintf(cmd, sizeof(cmd), "ROAM %s", argv[0]);
+ if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+ printf("Too long ROAM command.\n");
+ return -1;
+ }
+ return wpa_ctrl_command(ctrl, cmd);
+}
+
+
enum wpa_cli_cmd_flags {
cli_cmd_flag_none = 0x00,
cli_cmd_flag_sensitive = 0x01
{ "ping", wpa_cli_cmd_ping,
cli_cmd_flag_none,
"= pings wpa_supplicant" },
+ { "note", wpa_cli_cmd_note,
+ cli_cmd_flag_none,
+ "<text> = add a note to wpa_supplicant debug log" },
{ "mib", wpa_cli_cmd_mib,
cli_cmd_flag_none,
"= get MIB variables (dot1x, dot11)" },
"<BSSID> <AP PIN> = start WPS Registrar to configure an AP" },
{ "wps_er_start", wpa_cli_cmd_wps_er_start,
cli_cmd_flag_none,
- "= start Wi-Fi Protected Setup External Registrar" },
+ "[IP address] = start Wi-Fi Protected Setup External Registrar" },
{ "wps_er_stop", wpa_cli_cmd_wps_er_stop,
cli_cmd_flag_none,
"= stop Wi-Fi Protected Setup External Registrar" },
{ "wps_er_learn", wpa_cli_cmd_wps_er_learn,
cli_cmd_flag_sensitive,
"<UUID> <PIN> = learn AP configuration" },
+ { "wps_er_config", wpa_cli_cmd_wps_er_config,
+ cli_cmd_flag_sensitive,
+ "<UUID> <PIN> <SSID> <auth> <encr> <key> = configure AP" },
{ "ibss_rsn", wpa_cli_cmd_ibss_rsn,
cli_cmd_flag_none,
"<addr> = request RSN authentication with <addr> in IBSS" },
cli_cmd_flag_none,
"= get information about all associated stations (AP)" },
#endif /* CONFIG_AP */
+ { "suspend", wpa_cli_cmd_suspend, cli_cmd_flag_none,
+ "= notification of suspend/hibernate" },
+ { "resume", wpa_cli_cmd_resume, cli_cmd_flag_none,
+ "= notification of resume/thaw" },
+ { "drop_sa", wpa_cli_cmd_drop_sa, cli_cmd_flag_none,
+ "= drop SA without deauth/disassoc (test command)" },
+ { "roam", wpa_cli_cmd_roam,
+ cli_cmd_flag_none,
+ "<addr> = roam to the specified BSS" },
{ NULL, NULL, cli_cmd_flag_none, NULL }
};
if (action_monitor)
wpa_cli_action_process(buf);
else {
- if (in_read && first)
- printf("\n");
- first = 0;
- printf("%s\n", buf);
+ if (wpa_cli_show_event(buf)) {
+ if (in_read && first)
+ printf("\r");
+ first = 0;
+ printf("%s\n", buf);
+ readline_redraw();
+ }
}
} else {
printf("Could not read pending message.\n");
static char * wpa_cli_dummy_gen(const char *text, int state)
{
+ int i;
+
+ for (i = 0; wpa_cli_commands[i].cmd; i++) {
+ const char *cmd = wpa_cli_commands[i].cmd;
+ size_t len = os_strlen(cmd);
+ if (os_strncasecmp(rl_line_buffer, cmd, len) == 0 &&
+ rl_line_buffer[len] == ' ') {
+ printf("\n%s\n", wpa_cli_commands[i].usage);
+ readline_redraw();
+ break;
+ }
+ }
+
+ rl_attempted_completion_over = 1;
+ return NULL;
+}
+
+
+static char * wpa_cli_status_gen(const char *text, int state)
+{
+ static int i, len;
+ char *options[] = {
+ "verbose", NULL
+ };
+ char *t;
+
+ if (state == 0) {
+ i = 0;
+ len = os_strlen(text);
+ }
+
+ while ((t = options[i])) {
+ i++;
+ if (os_strncasecmp(t, text, len) == 0)
+ return strdup(t);
+ }
+
+ rl_attempted_completion_over = 1;
return NULL;
}
static char ** wpa_cli_completion(const char *text, int start, int end)
{
- return rl_completion_matches(text, start == 0 ?
- wpa_cli_cmd_gen : wpa_cli_dummy_gen);
+ char * (*func)(const char *text, int state);
+
+ if (start == 0)
+ func = wpa_cli_cmd_gen;
+ else if (os_strncasecmp(rl_line_buffer, "status ", 7) == 0)
+ func = wpa_cli_status_gen;
+ else
+ func = wpa_cli_dummy_gen;
+ return rl_completion_matches(text, func);
}
#endif /* CONFIG_READLINE */
#ifndef CONFIG_NATIVE_WINDOWS
alarm(ping_interval);
#endif /* CONFIG_NATIVE_WINDOWS */
+#ifdef CONFIG_WPA_CLI_FORK
+ if (mon_pid)
+ kill(mon_pid, SIGUSR1);
+#endif /* CONFIG_WPA_CLI_FORK */
#ifdef CONFIG_READLINE
cmd = readline("> ");
if (cmd && *cmd) {
if (cmd != cmdbuf)
free(cmd);
+#ifdef CONFIG_WPA_CLI_FORK
+ if (mon_pid)
+ kill(mon_pid, SIGUSR2);
+#endif /* CONFIG_WPA_CLI_FORK */
} while (!wpa_cli_quit);
#ifdef CONFIG_READLINE
}
+#ifdef CONFIG_WPA_CLI_FORK
+static void wpa_cli_usr1(int sig)
+{
+ readline_redraw();
+}
+#endif /* CONFIG_WPA_CLI_FORK */
+
+
#ifndef CONFIG_NATIVE_WINDOWS
static void wpa_cli_alarm(int sig)
{
#ifndef CONFIG_NATIVE_WINDOWS
signal(SIGALRM, wpa_cli_alarm);
#endif /* CONFIG_NATIVE_WINDOWS */
+#ifdef CONFIG_WPA_CLI_FORK
+ signal(SIGUSR1, wpa_cli_usr1);
+#endif /* CONFIG_WPA_CLI_FORK */
if (ctrl_ifname == NULL)
ctrl_ifname = wpa_cli_get_default_ifname();
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