hostapd: make cli treat UNKNOWN COMMAND as failing

Avoid infinite loop at 100% CPU when running hostapd_cli
if CONFIG_CTRL_IFACE_MIB is not defined.

  _newselect(4, [3], NULL, NULL, ...)
  recvfrom(3, "UNKNOWN COMMAND\n", 4095, 0, NULL, NULL) = 16
  sendto(3, "STA-NEXT UNKNOWN COMMAND", 24, 0, NULL, 0) = 24

Signed-off-by: Denton Gentry <denny@geekhold.com>
This commit is contained in:
Denton Gentry 2018-05-30 15:05:42 +00:00 committed by John Crispin
parent fb8a578aa7
commit a84962ea35

View File

@ -0,0 +1,13 @@
--- a/hostapd/hostapd_cli.c
+++ b/hostapd/hostapd_cli.c
@@ -743,7 +743,7 @@ static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, const char *cmd,
}
buf[len] = '\0';
- if (memcmp(buf, "FAIL", 4) == 0)
+ if (memcmp(buf, "FAIL", 4) == 0 || memcmp(buf, "UNKNOWN COMMAND", 15) == 0)
return -1;
if (print)
printf("%s", buf);
--
2.11.0