File Manager

003 File Manager

Current Path: /usr/src/contrib/wpa/wpa_supplicant

usr / src / contrib / wpa / wpa_supplicant /

📁 ..
📄 Android.mk(36.85 KB)
📄 ChangeLog(127.25 KB)
📄 README(39.17 KB)
📄 README-DPP(5.25 KB)
📄 README-HS20(21.84 KB)
📄 README-P2P(32.99 KB)
📄 README-WPS(15.87 KB)
📄 README-Windows.txt(12.11 KB)
📄 android.config(19.49 KB)
📄 ap.c(43.64 KB)
📄 ap.h(4.4 KB)
📄 autoscan.c(3.48 KB)
📄 autoscan.h(1.36 KB)
📄 autoscan_exponential.c(2.01 KB)
📄 autoscan_periodic.c(1.6 KB)
📄 bgscan.c(2.41 KB)
📄 bgscan.h(2.07 KB)
📄 bgscan_learn.c(14.42 KB)
📄 bgscan_simple.c(8 KB)
📁 binder
📄 blacklist.c(3.38 KB)
📄 blacklist.h(660 B)
📄 bss.c(35.64 KB)
📄 bss.h(5.76 KB)
📄 config.c(119.47 KB)
📄 config.h(50.22 KB)
📄 config_file.c(42.45 KB)
📄 config_none.c(1.25 KB)
📄 config_ssid.h(26.9 KB)
📄 ctrl_iface.c(274.91 KB)
📄 ctrl_iface.h(5.29 KB)
📄 ctrl_iface_named_pipe.c(19.62 KB)
📄 ctrl_iface_udp.c(19.95 KB)
📄 ctrl_iface_unix.c(34.52 KB)
📁 dbus
📄 defconfig(21.75 KB)
📄 dpp_supplicant.c(64.3 KB)
📄 dpp_supplicant.h(1.28 KB)
📄 driver_i.h(28.83 KB)
📄 eap_proxy_dummy.mak(0 B)
📄 eap_proxy_dummy.mk(0 B)
📄 eap_register.c(5.24 KB)
📄 eap_testing.txt(14.43 KB)
📄 eapol_test.c(39.52 KB)
📄 eapol_test.py(4.39 KB)
📄 events.c(135.05 KB)
📁 examples
📄 gas_query.c(24.23 KB)
📄 gas_query.h(1.46 KB)
📄 hs20_supplicant.c(33.17 KB)
📄 hs20_supplicant.h(2.18 KB)
📄 ibss_rsn.c(23.31 KB)
📄 ibss_rsn.h(1.7 KB)
📄 interworking.c(81.56 KB)
📄 interworking.h(1.33 KB)
📄 libwpa_test.c(611 B)
📄 main.c(10.22 KB)
📄 main_none.c(844 B)
📄 mbo.c(14.95 KB)
📄 mesh.c(18.88 KB)
📄 mesh.h(1.39 KB)
📄 mesh_mpm.c(36.44 KB)
📄 mesh_mpm.h(1.45 KB)
📄 mesh_rsn.c(20.72 KB)
📄 mesh_rsn.h(1.43 KB)
📄 nfc_pw_token.c(1.71 KB)
📄 nmake.mak(6.58 KB)
📄 notify.c(20.83 KB)
📄 notify.h(7.2 KB)
📄 offchannel.c(16.1 KB)
📄 offchannel.h(1.37 KB)
📄 op_classes.c(9.3 KB)
📄 p2p_supplicant.c(270.45 KB)
📄 p2p_supplicant.h(12.84 KB)
📄 p2p_supplicant_sd.c(30.81 KB)
📄 preauth_test.c(8.56 KB)
📄 rrm.c(41.04 KB)
📄 scan.c(80.03 KB)
📄 scan.h(2.76 KB)
📄 sme.c(74.45 KB)
📄 sme.h(3.68 KB)
📁 systemd
📄 todo.txt(4.43 KB)
📁 utils
📁 vs2005
📄 wifi_display.c(10.42 KB)
📄 wifi_display.h(904 B)
📄 wmm_ac.c(23.61 KB)
📄 wmm_ac.h(4.84 KB)
📄 wnm_sta.c(50.52 KB)
📄 wnm_sta.h(2.47 KB)
📄 wpa_cli.c(121.3 KB)
📄 wpa_passphrase.c(1.45 KB)
📄 wpa_priv.c(29.97 KB)
📄 wpa_supplicant.c(205.7 KB)
📄 wpa_supplicant.conf(74.93 KB)
📄 wpa_supplicant_conf.mk(1.25 KB)
📄 wpa_supplicant_conf.sh(458 B)
📄 wpa_supplicant_i.h(46.08 KB)
📄 wpa_supplicant_template.conf(136 B)
📄 wpas_glue.c(33.62 KB)
📄 wpas_glue.h(888 B)
📄 wpas_kay.c(9.92 KB)
📄 wpas_kay.h(1.13 KB)
📄 wpas_module_tests.c(2.51 KB)
📄 wps_supplicant.c(79.22 KB)
📄 wps_supplicant.h(5.08 KB)

Editing: op_classes.c

/*
 * Operating classes
 * Copyright(c) 2015 Intel Deutschland GmbH
 * Contact Information:
 * Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include "utils/includes.h"

#include "utils/common.h"
#include "common/ieee802_11_common.h"
#include "wpa_supplicant_i.h"

static enum chan_allowed allow_channel(struct hostapd_hw_modes *mode, u8 chan,
				       unsigned int *flags)
{
	int i;

for (i = 0; i < mode->num_channels; i++) {
		if (mode->channels[i].chan == chan)
			break;
	}

if (i == mode->num_channels ||
	    (mode->channels[i].flag & HOSTAPD_CHAN_DISABLED))
		return NOT_ALLOWED;

if (flags)
		*flags = mode->channels[i].flag;

if (mode->channels[i].flag & HOSTAPD_CHAN_NO_IR)
		return NO_IR;

return ALLOWED;
}

static int get_center_80mhz(struct hostapd_hw_modes *mode, u8 channel)
{
	u8 center_channels[] = { 42, 58, 106, 122, 138, 155 };
	size_t i;

if (mode->mode != HOSTAPD_MODE_IEEE80211A)
		return 0;

for (i = 0; i < ARRAY_SIZE(center_channels); i++) {
		/*
		 * In 80 MHz, the bandwidth "spans" 12 channels (e.g., 36-48),
		 * so the center channel is 6 channels away from the start/end.
		 */
		if (channel >= center_channels[i] - 6 &&
		    channel <= center_channels[i] + 6)
			return center_channels[i];
	}

return 0;
}

static enum chan_allowed verify_80mhz(struct hostapd_hw_modes *mode, u8 channel)
{
	u8 center_chan;
	unsigned int i;
	unsigned int no_ir = 0;

center_chan = get_center_80mhz(mode, channel);
	if (!center_chan)
		return NOT_ALLOWED;

/* check all the channels are available */
	for (i = 0; i < 4; i++) {
		unsigned int flags;
		u8 adj_chan = center_chan - 6 + i * 4;

if (allow_channel(mode, adj_chan, &flags) == NOT_ALLOWED)
			return NOT_ALLOWED;

if ((i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_70)) ||
		    (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_50)) ||
		    (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_30)) ||
		    (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_10)))
			return NOT_ALLOWED;

if (flags & HOSTAPD_CHAN_NO_IR)
			no_ir = 1;
	}

if (no_ir)
		return NO_IR;

return ALLOWED;
}

static int get_center_160mhz(struct hostapd_hw_modes *mode, u8 channel)
{
	u8 center_channels[] = { 50, 114 };
	unsigned int i;

if (mode->mode != HOSTAPD_MODE_IEEE80211A)
		return 0;

for (i = 0; i < ARRAY_SIZE(center_channels); i++) {
		/*
		 * In 160 MHz, the bandwidth "spans" 28 channels (e.g., 36-64),
		 * so the center channel is 14 channels away from the start/end.
		 */
		if (channel >= center_channels[i] - 14 &&
		    channel <= center_channels[i] + 14)
			return center_channels[i];
	}

return 0;
}

static enum chan_allowed verify_160mhz(struct hostapd_hw_modes *mode,
				       u8 channel)
{
	u8 center_chan;
	unsigned int i;
	unsigned int no_ir = 0;

center_chan = get_center_160mhz(mode, channel);
	if (!center_chan)
		return NOT_ALLOWED;

/* Check all the channels are available */
	for (i = 0; i < 8; i++) {
		unsigned int flags;
		u8 adj_chan = center_chan - 14 + i * 4;

if (allow_channel(mode, adj_chan, &flags) == NOT_ALLOWED)
			return NOT_ALLOWED;

if ((i == 0 && !(flags & HOSTAPD_CHAN_VHT_10_150)) ||
		    (i == 1 && !(flags & HOSTAPD_CHAN_VHT_30_130)) ||
		    (i == 2 && !(flags & HOSTAPD_CHAN_VHT_50_110)) ||
		    (i == 3 && !(flags & HOSTAPD_CHAN_VHT_70_90)) ||
		    (i == 4 && !(flags & HOSTAPD_CHAN_VHT_90_70)) ||
		    (i == 5 && !(flags & HOSTAPD_CHAN_VHT_110_50)) ||
		    (i == 6 && !(flags & HOSTAPD_CHAN_VHT_130_30)) ||
		    (i == 7 && !(flags & HOSTAPD_CHAN_VHT_150_10)))
			return NOT_ALLOWED;

if (flags & HOSTAPD_CHAN_NO_IR)
			no_ir = 1;
	}

if (no_ir)
		return NO_IR;

return ALLOWED;
}

enum chan_allowed verify_channel(struct hostapd_hw_modes *mode, u8 channel,
				 u8 bw)
{
	unsigned int flag = 0;
	enum chan_allowed res, res2;

res2 = res = allow_channel(mode, channel, &flag);
	if (bw == BW40MINUS) {
		if (!(flag & HOSTAPD_CHAN_HT40MINUS))
			return NOT_ALLOWED;
		res2 = allow_channel(mode, channel - 4, NULL);
	} else if (bw == BW40PLUS) {
		if (!(flag & HOSTAPD_CHAN_HT40PLUS))
			return NOT_ALLOWED;
		res2 = allow_channel(mode, channel + 4, NULL);
	} else if (bw == BW80) {
		/*
		 * channel is a center channel and as such, not necessarily a
		 * valid 20 MHz channels. Override earlier allow_channel()
		 * result and use only the 80 MHz specific version.
		 */
		res2 = res = verify_80mhz(mode, channel);
	} else if (bw == BW160) {
		/*
		 * channel is a center channel and as such, not necessarily a
		 * valid 20 MHz channels. Override earlier allow_channel()
		 * result and use only the 160 MHz specific version.
		 */
		res2 = res = verify_160mhz(mode, channel);
	} else if (bw == BW80P80) {
		/*
		 * channel is a center channel and as such, not necessarily a
		 * valid 20 MHz channels. Override earlier allow_channel()
		 * result and use only the 80 MHz specific version.
		 */
		res2 = res = verify_80mhz(mode, channel);
	}

if (res == NOT_ALLOWED || res2 == NOT_ALLOWED)
		return NOT_ALLOWED;

if (res == NO_IR || res2 == NO_IR)
		return NO_IR;

return ALLOWED;
}

static int wpas_op_class_supported(struct wpa_supplicant *wpa_s,
				   struct wpa_ssid *ssid,
				   const struct oper_class_map *op_class)
{
	int chan;
	size_t i;
	struct hostapd_hw_modes *mode;
	int found;
	int z;
	int freq2 = 0;
	int freq5 = 0;

mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes, op_class->mode);
	if (!mode)
		return 0;

/* If we are configured to disable certain things, take that into
	 * account here. */
	if (ssid->freq_list && ssid->freq_list[0]) {
		for (z = 0; ; z++) {
			int f = ssid->freq_list[z];

if (f == 0)
				break; /* end of list */
			if (f > 4000 && f < 6000)
				freq5 = 1;
			else if (f > 2400 && f < 2500)
				freq2 = 1;
		}
	} else {
		/* No frequencies specified, can use anything hardware supports.
		 */
		freq2 = freq5 = 1;
	}

if (op_class->op_class >= 115 && op_class->op_class <= 130 && !freq5)
		return 0;
	if (op_class->op_class >= 81 && op_class->op_class <= 84 && !freq2)
		return 0;

#ifdef CONFIG_HT_OVERRIDES
	if (ssid->disable_ht) {
		switch (op_class->op_class) {
		case 83:
		case 84:
		case 104:
		case 105:
		case 116:
		case 117:
		case 119:
		case 120:
		case 122:
		case 123:
		case 126:
		case 127:
		case 128:
		case 129:
		case 130:
			/* Disable >= 40 MHz channels if HT is disabled */
			return 0;
		}
	}
#endif /* CONFIG_HT_OVERRIDES */

#ifdef CONFIG_VHT_OVERRIDES
	if (ssid->disable_vht) {
		if (op_class->op_class >= 128 && op_class->op_class <= 130) {
			/* Disable >= 80 MHz channels if VHT is disabled */
			return 0;
		}
	}
#endif /* CONFIG_VHT_OVERRIDES */

if (op_class->op_class == 128) {
		u8 channels[] = { 42, 58, 106, 122, 138, 155 };

for (i = 0; i < ARRAY_SIZE(channels); i++) {
			if (verify_channel(mode, channels[i], op_class->bw) !=
			    NOT_ALLOWED)
				return 1;
		}

return 0;
	}

if (op_class->op_class == 129) {
		/* Check if either 160 MHz channels is allowed */
		return verify_channel(mode, 50, op_class->bw) != NOT_ALLOWED ||
			verify_channel(mode, 114, op_class->bw) != NOT_ALLOWED;
	}

if (op_class->op_class == 130) {
		/* Need at least two non-contiguous 80 MHz segments */
		found = 0;

if (verify_channel(mode, 42, op_class->bw) != NOT_ALLOWED ||
		    verify_channel(mode, 58, op_class->bw) != NOT_ALLOWED)
			found++;
		if (verify_channel(mode, 106, op_class->bw) != NOT_ALLOWED ||
		    verify_channel(mode, 122, op_class->bw) != NOT_ALLOWED ||
		    verify_channel(mode, 138, op_class->bw) != NOT_ALLOWED)
			found++;
		if (verify_channel(mode, 106, op_class->bw) != NOT_ALLOWED &&
		    verify_channel(mode, 138, op_class->bw) != NOT_ALLOWED)
			found++;
		if (verify_channel(mode, 155, op_class->bw) != NOT_ALLOWED)
			found++;

if (found >= 2)
			return 1;

return 0;
	}

found = 0;
	for (chan = op_class->min_chan; chan <= op_class->max_chan;
	     chan += op_class->inc) {
		if (verify_channel(mode, chan, op_class->bw) != NOT_ALLOWED) {
			found = 1;
			break;
		}
	}

return found;
}

size_t wpas_supp_op_class_ie(struct wpa_supplicant *wpa_s,
			     struct wpa_ssid *ssid,
			     int freq, u8 *pos, size_t len)
{
	struct wpabuf *buf;
	u8 op, current, chan;
	u8 *ie_len;
	size_t res;

/*
	 * Assume 20 MHz channel for now.
	 * TODO: Use the secondary channel and VHT channel width that will be
	 * used after association.
	 */
	if (ieee80211_freq_to_channel_ext(freq, 0, CHANWIDTH_USE_HT,
					  &current, &chan) == NUM_HOSTAPD_MODES)
		return 0;

/*
	 * Need 3 bytes for EID, length, and current operating class, plus
	 * 1 byte for every other supported operating class.
	 */
	buf = wpabuf_alloc(global_op_class_size + 3);
	if (!buf)
		return 0;

wpabuf_put_u8(buf, WLAN_EID_SUPPORTED_OPERATING_CLASSES);
	/* Will set the length later, putting a placeholder */
	ie_len = wpabuf_put(buf, 1);
	wpabuf_put_u8(buf, current);

for (op = 0; global_op_class[op].op_class; op++) {
		if (wpas_op_class_supported(wpa_s, ssid, &global_op_class[op]))
			wpabuf_put_u8(buf, global_op_class[op].op_class);
	}

*ie_len = wpabuf_len(buf) - 2;
	if (*ie_len < 2 || wpabuf_len(buf) > len) {
		wpa_printf(MSG_ERROR,
			   "Failed to add supported operating classes IE");
		res = 0;
	} else {
		os_memcpy(pos, wpabuf_head(buf), wpabuf_len(buf));
		res = wpabuf_len(buf);
		wpa_hexdump_buf(MSG_DEBUG,
				"Added supported operating classes IE", buf);
	}

wpabuf_free(buf);
	return res;
}

003 File Manager

Editing: op_classes.c

Upload File

Create Folder