WPS: Add wps_check_pin command for processing PIN from user input

[libeap.git] / wpa_supplicant / wpa_cli.c

diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index 855f720..00fb0dc 100644 (file)
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -615,6 +615,32 @@ static int wpa_cli_cmd_wps_pin(struct wpa_ctrl *ctrl, int argc, char *argv[])
 }
 
 
+static int wpa_cli_cmd_wps_check_pin(struct wpa_ctrl *ctrl, int argc,
+                                    char *argv[])
+{
+       char cmd[256];
+       int res;
+
+       if (argc != 1 && argc != 2) {
+               printf("Invalid WPS_CHECK_PIN command: needs one argument:\n"
+                      "- PIN to be verified\n");
+               return -1;
+       }
+
+       if (argc == 2)
+               res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s %s",
+                                 argv[0], argv[1]);
+       else
+               res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s",
+                                 argv[0]);
+       if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+               printf("Too long WPS_CHECK_PIN command.\n");
+               return -1;
+       }
+       return wpa_ctrl_command(ctrl, cmd);
+}
+
+
 static int wpa_cli_cmd_wps_cancel(struct wpa_ctrl *ctrl, int argc,
                                  char *argv[])
 {
@@ -2271,6 +2297,9 @@ static struct wpa_cli_cmd wpa_cli_commands[] = {
          cli_cmd_flag_sensitive,
          "<BSSID> [PIN] = start WPS PIN method (returns PIN, if not "
          "hardcoded)" },
+       { "wps_check_pin", wpa_cli_cmd_wps_check_pin,
+         cli_cmd_flag_sensitive,
+         "<PIN> = verify PIN checksum" },
        { "wps_cancel", wpa_cli_cmd_wps_cancel, cli_cmd_flag_none,
          "Cancels the pending WPS operation" },
 #ifdef CONFIG_WPS_OOB