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P2P: Add error message for invalid PIN

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Reject invalid PIN value in p2p_connect command. Before this, typos
like "pbd" as the third parameter could have resulted in OK return
value since this parameter was interpreted as the PIN.

Signed-hostap: Masashi Honma <masashi.honma@gmail.com>
This commit is contained in:
Masashi Honma 2012-06-30 21:19:12 +03:00 committed by Jouni Malinen
parent 10ac7ddf33
commit 36ebf7a1b2
1 changed files with 9 additions and 0 deletions
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9
wpa_supplicant/ctrl_iface.c
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@ -2991,6 +2991,9 @@ static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
} else if (os_strncmp(pos, "pbc", 3) == 0) {
wps_method = WPS_PBC;
} else {
char *end;
long int val;
pin = pos;
pos = os_strchr(pin, ' ');
wps_method = WPS_PIN_KEYPAD;
@ -2999,6 +3002,12 @@ static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
if (os_strncmp(pos, "display", 7) == 0)
wps_method = WPS_PIN_DISPLAY;
}
val = strtol(pin, &end, 10);
if (val < 0 || (os_strlen(pin) != 4 && os_strlen(pin) != 8) ||
*end != '\0') {
os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
return 17;
}
}
new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,