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- Log -----------------------------------------------------------------
commit d823d5f07211e984489027d57c49ae16db66c7f2
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date:   Sat Oct 27 09:55:19 2018 +0200

    hostapd: add switch to disable neigborhood scan
    
    this may violate regulatory rules because 40Mhz channels should disabled
    if there are other networks but nearly every commercial router ignore this.
    
    Signed-off-by: Arne Fitzenreiter <arne_f(a)ipfire.org>

-----------------------------------------------------------------------

Summary of changes:
 html/cgi-bin/wlanap.cgi                      | 20 +++++++++
 langs/de/cgi-bin/de.pl                       |  2 +
 langs/en/cgi-bin/en.pl                       |  2 +
 lfs/hostapd                                  |  2 +
 src/patches/hostapd/hostapd-2.6-noscan.patch | 62 ++++++++++++++++++++++++++++
 5 files changed, 88 insertions(+)
 create mode 100644 src/patches/hostapd/hostapd-2.6-noscan.patch

Difference in files:
diff --git a/html/cgi-bin/wlanap.cgi b/html/cgi-bin/wlanap.cgi
index 0abbf6d6e..72c9a1298 100644
--- a/html/cgi-bin/wlanap.cgi
+++ b/html/cgi-bin/wlanap.cgi
@@ -74,6 +74,7 @@ $wlanapsettings{'DEBUG'} = '4';
 $wlanapsettings{'DRIVER'} = 'NL80211';
 $wlanapsettings{'HTCAPS'} = '';
 $wlanapsettings{'VHTCAPS'} = '';
+$wlanapsettings{'NOSCAN'} = 'off';
 
 &General::readhash("/var/ipfire/wlanap/settings", \%wlanapsettings);
 &Header::getcgihash(\%wlanapsettings);
@@ -247,6 +248,10 @@ $checked{'HIDESSID'}{'off'} = '';
 $checked{'HIDESSID'}{'on'} = '';
 $checked{'HIDESSID'}{$wlanapsettings{'HIDESSID'}} = "checked='checked'";
 
+$checked{'NOSCAN'}{'off'} = '';
+$checked{'NOSCAN'}{'on'} = '';
+$checked{'NOSCAN'}{$wlanapsettings{'NOSCAN'}} = "checked='checked'";
+
 $selected{'ENC'}{$wlanapsettings{'ENC'}} = "selected='selected'";
 $selected{'CHANNEL'}{$wlanapsettings{'CHANNEL'}} = "selected='selected'";
 $selected{'COUNTRY'}{$wlanapsettings{'COUNTRY'}} = "selected='selected'";
@@ -415,6 +420,7 @@ END
 ;
 }
 print<<END
+<tr><td width='25%' class='base'>$Lang::tr{'wlanap neighbor scan'}:&nbsp;</td><td class='base' >on <input type='radio' name='NOSCAN' value='off' $checked{'NOSCAN'}{'off'} /> | <input type='radio' name='NOSCAN' value='on' $checked{'NOSCAN'}{'on'} /> off</td><td class='base' colspan='2'>$Lang::tr{'wlanap neighbor scan warning'}</td></tr>
 <tr><td colspan='4'><br></td></tr>
 <tr><td width='25%' class='base'>$Lang::tr{'wlanap encryption'}:&nbsp;</td><td class='base' colspan='3'>
 	<select name='ENC'>
@@ -626,6 +632,20 @@ END
 
  }
 
+ if ( $wlanapsettings{'NOSCAN'} eq 'on' ){
+	print CONFIGFILE <<END
+noscan=1
+END
+;
+
+ }else{
+ 	print CONFIGFILE <<END
+noscan=0
+END
+;
+
+ }
+
  if ( $wlanapsettings{'ENC'} eq 'wpa1'){
 	print CONFIGFILE <<END
 ######################### wpa hostapd configuration ############################
diff --git a/langs/de/cgi-bin/de.pl b/langs/de/cgi-bin/de.pl
index c8d4c65e7..42eb14103 100644
--- a/langs/de/cgi-bin/de.pl
+++ b/langs/de/cgi-bin/de.pl
@@ -2802,6 +2802,8 @@
 'wlanap invalid wpa' => 'Ungültige Länge in WPA-Passphrase. Muss zwischen 8 und 63 Zeichen lang sein.',
 'wlanap link dhcp' => 'Wireless Lan DHCP-Einstellungen',
 'wlanap link wireless' => 'Wireless Lan Clients freischalten',
+'wlanap neighbor scan' => 'Nachbarschaftsscan',
+'wlanap neighbor scan warning' => 'Warnung! Deaktivierung kann gegen Funkregeln verstoßen.',
 'wlanap no interface' => 'Ausgewähltes Interface ist keine WLAN-Karte!',
 'wlanap none' => 'keine',
 'wlanap notifications' => 'Hinweise',
diff --git a/langs/en/cgi-bin/en.pl b/langs/en/cgi-bin/en.pl
index b563e5685..e9356407a 100644
--- a/langs/en/cgi-bin/en.pl
+++ b/langs/en/cgi-bin/en.pl
@@ -2847,6 +2847,8 @@
 'wlanap invalid wpa' => 'Invalid length in WPA Passphrase. Must be between 8 and 63 characters.',
 'wlanap link dhcp' => 'Wireless lan DHCP configuration',
 'wlanap link wireless' => 'Activate wireless lan clients',
+'wlanap neighbor scan' => 'Neighborhood scan',
+'wlanap neighbor scan warning' => 'Warning! Disabling may violate regulatory rules!',
 'wlanap no interface' => 'Selected interface is not a wirless lan card!',
 'wlanap none' => 'none',
 'wlanap notifications' => 'Notifications',
diff --git a/lfs/hostapd b/lfs/hostapd
index 5a1180d03..a8302ccdd 100644
--- a/lfs/hostapd
+++ b/lfs/hostapd
@@ -88,6 +88,8 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	cd $(DIR_APP) && patch -p1 < $(DIR_SRC)/src/patches/wpa_supplicant/rebased-v2.6-0008-FT-Do-not-allow-multiple-Reassociation-Response-fram.patch
 
 	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/hostapd-2.3_increase_EAPOL-timeouts.patch
+	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/hostapd/hostapd-2.6-noscan.patch
+
 	cd $(DIR_APP)/hostapd && cp $(DIR_SRC)/config/hostapd/config ./.config
 	cd $(DIR_APP)/hostapd && sed -e "s@/usr/local@/usr(a)g" -i Makefile
 	cd $(DIR_APP)/hostapd && make $(MAKETUNING) $(EXTRA_MAKE)
diff --git a/src/patches/hostapd/hostapd-2.6-noscan.patch b/src/patches/hostapd/hostapd-2.6-noscan.patch
new file mode 100644
index 000000000..8009fa04b
--- /dev/null
+++ b/src/patches/hostapd/hostapd-2.6-noscan.patch
@@ -0,0 +1,62 @@
+diff -Naur hostapd-2.6.org/hostapd/config_file.c hostapd-2.6/hostapd/config_file.c
+--- hostapd-2.6.org/hostapd/config_file.c	2016-10-02 20:51:11.000000000 +0200
++++ hostapd-2.6/hostapd/config_file.c	2018-10-26 09:16:34.393456086 +0200
+@@ -2863,6 +2863,10 @@
+ 		}
+ #endif /* CONFIG_IEEE80211W */
+ #ifdef CONFIG_IEEE80211N
++	} else if (os_strcmp(buf, "noscan") == 0) {
++		conf->noscan = atoi(pos);
++	} else if (os_strcmp(buf, "ht_coex") == 0) {
++		conf->no_ht_coex = !atoi(pos);
+ 	} else if (os_strcmp(buf, "ieee80211n") == 0) {
+ 		conf->ieee80211n = atoi(pos);
+ 	} else if (os_strcmp(buf, "ht_capab") == 0) {
+diff -Naur hostapd-2.6.org/src/ap/ap_config.h hostapd-2.6/src/ap/ap_config.h
+--- hostapd-2.6.org/src/ap/ap_config.h	2016-10-02 20:51:11.000000000 +0200
++++ hostapd-2.6/src/ap/ap_config.h	2018-10-26 09:16:34.393456086 +0200
+@@ -664,6 +664,8 @@
+ 
+ 	int ht_op_mode_fixed;
+ 	u16 ht_capab;
++	int noscan;
++	int no_ht_coex;
+ 	int ieee80211n;
+ 	int secondary_channel;
+ 	int no_pri_sec_switch;
+diff -Naur hostapd-2.6.org/src/ap/hw_features.c hostapd-2.6/src/ap/hw_features.c
+--- hostapd-2.6.org/src/ap/hw_features.c	2016-10-02 20:51:11.000000000 +0200
++++ hostapd-2.6/src/ap/hw_features.c	2018-10-26 09:16:34.393456086 +0200
+@@ -474,7 +474,8 @@
+ 	int ret;
+ 
+ 	/* Check that HT40 is used and PRI / SEC switch is allowed */
+-	if (!iface->conf->secondary_channel || iface->conf->no_pri_sec_switch)
++	if (!iface->conf->secondary_channel || iface->conf->no_pri_sec_switch ||
++		iface->conf->noscan)
+ 		return 0;
+ 
+ 	hostapd_set_state(iface, HAPD_IFACE_HT_SCAN);
+diff -Naur hostapd-2.6.org/src/ap/ieee802_11_ht.c hostapd-2.6/src/ap/ieee802_11_ht.c
+--- hostapd-2.6.org/src/ap/ieee802_11_ht.c	2016-10-02 20:51:11.000000000 +0200
++++ hostapd-2.6/src/ap/ieee802_11_ht.c	2018-10-26 09:17:42.976793198 +0200
+@@ -244,6 +244,9 @@
+ 	if (!(iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
+ 		return;
+ 
++	if (iface->conf->noscan || iface->conf->no_ht_coex)
++		return;
++
+ 	if (len < IEEE80211_HDRLEN + 2 + sizeof(*bc_ie))
+ 		return;
+ 
+@@ -368,6 +371,9 @@
+ 	if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
+ 		return;
+ 
++	if (iface->conf->noscan || iface->conf->no_ht_coex)
++		return;
++
+ 	wpa_printf(MSG_INFO, "HT: Forty MHz Intolerant is set by STA " MACSTR
+ 		   " in Association Request", MAC2STR(sta->addr));
+ 


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