projects / thirdparty / hostap.git / blame
| Commit | Line | Data |
|---|---|---|
| 6fc6879b JM |
1 | /* |
| 2 | * WPA Supplicant - Helper functions for scan result processing | |
| 351f09a2 | 3 | * Copyright (c) 2007-2008, Jouni Malinen <j@w1.fi> |
| 6fc6879b JM |
4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify | |
| 6 | * it under the terms of the GNU General Public License version 2 as | |
| 7 | * published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * Alternatively, this software may be distributed under the terms of BSD | |
| 10 | * license. | |
| 11 | * | |
| 12 | * See README and COPYING for more details. | |
| 13 | */ | |
| 14 | ||
| 15 | #include "includes.h" | |
| 16 | ||
| 17 | #include "common.h" | |
| 18 | #include "drivers/driver.h" | |
| 90973fb2 | 19 | #include "common/ieee802_11_defs.h" |
| 6fc6879b JM |
20 | |
| 21 | ||
| 22 | const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie) | |
| 23 | { | |
| 24 | const u8 *end, *pos; | |
| 25 | ||
| 26 | pos = (const u8 *) (res + 1); | |
| 27 | end = pos + res->ie_len; | |
| 28 | ||
| 29 | while (pos + 1 < end) { | |
| 30 | if (pos + 2 + pos[1] > end) | |
| 31 | break; | |
| 32 | if (pos[0] == ie) | |
| 33 | return pos; | |
| 34 | pos += 2 + pos[1]; | |
| 35 | } | |
| 36 | ||
| 37 | return NULL; | |
| 38 | } | |
| 39 | ||
| 40 | ||
| 6fc6879b JM |
41 | void wpa_scan_results_free(struct wpa_scan_results *res) |
| 42 | { | |
| 43 | size_t i; | |
| 44 | ||
| 45 | if (res == NULL) | |
| 46 | return; | |
| 47 | ||
| 48 | for (i = 0; i < res->num; i++) | |
| 49 | os_free(res->res[i]); | |
| 50 | os_free(res->res); | |
| 51 | os_free(res); | |
| 52 | } |