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WPS: Added support for fragmented WPS IE in Beacon and Probe Response

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Fragment WPS IE if needed to fit into the IE length limits in hostapd
and Reassemble WPS IE data from multiple IEs in wpa_supplicant.

In addition, moved WPS code from events.c into wps_supplicant.c to clean
up module interfaces.
This commit is contained in:
Jouni Malinen 2008-11-29 22:06:34 +02:00
parent 06384c662a
commit 351f09a221
8 changed files with 259 additions and 166 deletions
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33
src/drivers/scan_helpers.c
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@ -1,6 +1,6 @@
/*
* WPA Supplicant - Helper functions for scan result processing
* Copyright (c) 2007, Jouni Malinen <j@w1.fi>
* Copyright (c) 2007-2008, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -59,6 +59,37 @@ const u8 * wpa_scan_get_vendor_ie(const struct wpa_scan_res *res,
}
struct wpabuf * wpa_scan_get_vendor_ie_multi(const struct wpa_scan_res *res,
u32 vendor_type)
{
struct wpabuf *buf;
const u8 *end, *pos;
buf = wpabuf_alloc(res->ie_len);
if (buf == NULL)
return NULL;
pos = (const u8 *) (res + 1);
end = pos + res->ie_len;
while (pos + 1 < end) {
if (pos + 2 + pos[1] > end)
break;
if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
vendor_type == WPA_GET_BE32(&pos[2]))
wpabuf_put_data(buf, pos + 2 + 4, pos[1] - 4);
pos += 2 + pos[1];
}
if (wpabuf_len(buf) == 0) {
wpabuf_free(buf);
buf = NULL;
}
return buf;
}
int wpa_scan_get_max_rate(const struct wpa_scan_res *res)
{
int rate = 0;