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>
2018-05-30 15:05:42 +00:00
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--- a/hostapd/hostapd_cli.c
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+++ b/hostapd/hostapd_cli.c
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2018-10-03 18:56:41 +00:00
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@@ -743,7 +743,7 @@ static int wpa_ctrl_command_sta(struct w
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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>
2018-05-30 15:05:42 +00:00
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}
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buf[len] = '\0';
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- if (memcmp(buf, "FAIL", 4) == 0)
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+ if (memcmp(buf, "FAIL", 4) == 0 || memcmp(buf, "UNKNOWN COMMAND", 15) == 0)
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return -1;
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if (print)
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printf("%s", buf);
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