add wificonf (wlconf,/sbin/wifi replacement)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1196 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 436 insertions, 0 deletions

diff --git a/package/wificonf/Config.in b/package/wificonf/Config.in
new file mode 100644
index 0000000000..c346f5fd36
--- /dev/null
+++ b/package/wificonf/Config.in
@@ -0,0 +1,5 @@
+config BR2_PACKAGE_WIFICONF
+	tristate "wificonf - replacement utility for wlconf"
+	default y
+	help
+	  Replacement utility for wlconf
diff --git a/package/wificonf/Makefile b/package/wificonf/Makefile
new file mode 100644
index 0000000000..aa03683a10
--- /dev/null
+++ b/package/wificonf/Makefile
@@ -0,0 +1,29 @@
+# $Id$
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=wificonf
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/wificonf
+
+include $(TOPDIR)/package/rules.mk
+
+
+
+
+$(eval $(call PKG_template,WIFICONF,$(PKG_NAME),$(PKG_RELEASE),$(ARCH)))
+
+$(PKG_BUILD_DIR)/.prepared:
+	mkdir -p $@
+	touch $@
+
+$(PKG_BUILD_DIR)/.built:
+	$(TARGET_CC) $(TARGET_CFLAGS) -I$(STAGING_DIR)/usr/include -o $(PKG_BUILD_DIR)/wifi wificonf.c -L$(STAGING_DIR)/usr/lib -lnvram -lshared $(STAGING_DIR)/usr/lib/libiw.so
+	touch $@
+
+$(IPKG_WIFICONF):
+	install -d -m0755 $(IDIR_WIFICONF)/sbin
+	install -m0755 $(PKG_BUILD_DIR)/wifi $(IDIR_WIFICONF)/sbin/
+	$(RSTRIP) $(IDIR_WIFICONF)
+	$(IPKG_BUILD) $(IDIR_WIFICONF) $(PACKAGE_DIR)
diff --git a/package/wificonf/ipkg/wificonf.control b/package/wificonf/ipkg/wificonf.control
new file mode 100644
index 0000000000..78e8097c4a
--- /dev/null
+++ b/package/wificonf/ipkg/wificonf.control
@@ -0,0 +1,6 @@
+Package: wificonf
+Priority: optional
+Section: net
+Maintainer: Felix Fietkau <nbd@vd-s.ath.cx>
+Source: buildroot internal
+Description: Replacement utility for wlconf
diff --git a/package/wificonf/wificonf.c b/package/wificonf/wificonf.c
new file mode 100644
index 0000000000..eb09769e46
--- /dev/null
+++ b/package/wificonf/wificonf.c
@@ -0,0 +1,396 @@
+/*
+ * Wireless Network Adapter configuration utility
+ *
+ * Copyright (C) 2005 Felix Fietkau <nbd@vd-s.ath.cx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <iwlib.h>
+#include <bcmnvram.h>
+#include <shutils.h>
+#include <wlioctl.h>
+
+/*------------------------------------------------------------------*/
+/*
+ * Macro to handle errors when setting WE
+ * Print a nice error message and exit...
+ * We define them as macro so that "return" do the right thing.
+ * The "do {...} while(0)" is a standard trick
+ */
+#define ERR_SET_EXT(rname, request) \
+	fprintf(stderr, "Error for wireless request \"%s\" (%X) :\n", \
+		rname, request)
+
+#define ABORT_ARG_NUM(rname, request) \
+	do { \
+		ERR_SET_EXT(rname, request); \
+		fprintf(stderr, "    too few arguments.\n"); \
+		return; \
+	} while(0)
+
+#define ABORT_ARG_TYPE(rname, request, arg) \
+	do { \
+		ERR_SET_EXT(rname, request); \
+		fprintf(stderr, "    invalid argument \"%s\".\n", arg); \
+		return; \
+	} while(0)
+
+#define ABORT_ARG_SIZE(rname, request, max) \
+	do { \
+		ERR_SET_EXT(rname, request); \
+		fprintf(stderr, "    argument too big (max %d)\n", max); \
+		return; \
+	} while(0)
+
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to push some Wireless Parameter in the driver
+ * Use standard wrapper and add pretty error message if fail...
+ */
+#define IW_SET_EXT_ERR(skfd, ifname, request, wrq, rname) \
+	do { \
+	if(iw_set_ext(skfd, ifname, request, wrq) < 0) { \
+		ERR_SET_EXT(rname, request); \
+		fprintf(stderr, "    SET failed on device %-1.16s ; %s.\n", \
+			ifname, strerror(errno)); \
+		return; \
+	} } while(0)
+
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to extract some Wireless Parameter out of the driver
+ * Use standard wrapper and add pretty error message if fail...
+ */
+#define IW_GET_EXT_ERR(skfd, ifname, request, wrq, rname) \
+	do { \
+	if(iw_get_ext(skfd, ifname, request, wrq) < 0) { \
+		ERR_SET_EXT(rname, request); \
+		fprintf(stderr, "    GET failed on device %-1.16s ; %s.\n", \
+			ifname, strerror(errno)); \
+		return; \
+	} } while(0)
+
+char *prefix;
+char buffer[128];
+
+char *wl_var(char *name)
+{
+	strcpy(buffer, prefix);
+	strcat(buffer, name);
+}
+
+int nvram_enabled(char *name)
+{
+	return (nvram_match(name, "1") || nvram_match(name, "on") || nvram_match(name, "enabled") ? 1 : 0);
+}
+
+int nvram_disabled(char *name)
+{
+	return (nvram_match(name, "0") || nvram_match(name, "off") || nvram_match(name, "disabled") ? 1 : 0);
+}
+
+
+int bcom_ioctl(int skfd, char *ifname, int cmd, void *buf, int len)
+{
+	struct ifreq ifr;
+	wl_ioctl_t ioc;
+	int ret;
+	
+	ioc.cmd = cmd;
+	ioc.buf = buf;
+	ioc.len = len;
+	
+	ifr.ifr_data = (caddr_t) &ioc;
+	strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+
+	ret = ioctl(skfd, SIOCDEVPRIVATE, &ifr);
+	if (ret < 0)
+		fprintf(stderr, "bcom_ioctl [cmd=%d, buf=%08x, len=%d] failed: %d\n", cmd, buf, len, ret);
+
+	return ret;
+}
+
+int bcom_set_val(int skfd, char *ifname, char *var, void *val, int len)
+{
+	char buf[8192];
+	int ret;
+	
+	if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
+		return -1;
+
+	strcpy(buf, var);
+	
+	if ((ret = bcom_ioctl(skfd, ifname, WLC_GET_VAR, buf, sizeof(buf))))
+		return ret;
+
+	memcpy(val, buf, len);
+	return 0;	
+}
+
+int bcom_set_int(int skfd, char *ifname, char *var, int val)
+{
+	return bcom_set_val(skfd, ifname, var, &val, sizeof(val));
+}
+
+void setup_bcom(int skfd, char *ifname)
+{
+	int val = 0;
+	char *v;
+	
+	if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
+		return;
+
+	bcom_ioctl(skfd, ifname, WLC_DOWN, NULL, 0);
+	
+	/* Set up WPA */
+	if (nvram_match(wl_var("crypto"), "tkip"))
+		val = TKIP_ENABLED;
+	else if (nvram_match(wl_var("crypto"), "aes"))
+		val = AES_ENABLED;
+	else if (nvram_match(wl_var("crypto"), "tkip+aes"))
+		val = TKIP_ENABLED | AES_ENABLED;
+	bcom_ioctl(skfd, ifname, WLC_SET_WSEC, &val, sizeof(val));
+
+	if (val && nvram_get(wl_var("wpa_psk"))) {
+		val = 1;
+		bcom_ioctl(skfd, ifname, WLC_SET_EAP_RESTRICT, &val, sizeof(val));
+	}
+
+	/* Set up afterburner */
+	val = ABO_AUTO;
+	if (nvram_enabled(wl_var("afterburner")))
+		val = ABO_ON;
+	if (nvram_disabled(wl_var("afterburner")))
+		val = ABO_OFF;
+	bcom_set_val(skfd, ifname, "afterburner_override", &val, sizeof(val));
+	
+	/* Set other options */
+	val = atoi(nvram_safe_get(wl_var("lazywds")));
+	bcom_ioctl(skfd, ifname, WLC_SET_LAZYWDS, &val, sizeof(val));
+	val = atoi(nvram_safe_get(wl_var("frag")));
+	bcom_ioctl(skfd, ifname, WLC_SET_FRAG, &val, sizeof(val));
+	val = atoi(nvram_safe_get(wl_var("dtim")));
+	bcom_ioctl(skfd, ifname, WLC_SET_DTIMPRD, &val, sizeof(val));
+	val = atoi(nvram_safe_get(wl_var("bcn")));
+	bcom_ioctl(skfd, ifname, WLC_SET_BCNPRD, &val, sizeof(val));
+	val = atoi(nvram_safe_get(wl_var("rts")));
+	bcom_ioctl(skfd, ifname, WLC_SET_RTS, &val, sizeof(val));
+	val = atoi(nvram_safe_get(wl_var("antdiv")));
+	bcom_ioctl(skfd, ifname, WLC_SET_ANTDIV, &val, sizeof(val));
+	val = atoi(nvram_safe_get(wl_var("txant")));
+	bcom_ioctl(skfd, ifname, WLC_SET_TXANT, &val, sizeof(val));
+
+	val = nvram_enabled(wl_var("ap_isolate"));
+	bcom_set_int(skfd, ifname, "ap_isolate", val);
+	val = nvram_enabled(wl_var("frameburst"));
+	bcom_ioctl(skfd, ifname, WLC_SET_FAKEFRAG, &val, sizeof(val));
+
+	/* Set up MAC list */
+	if (nvram_match(wl_var("macmode"), "allow"))
+		val = WLC_MACMODE_ALLOW;
+	else if (nvram_match(wl_var("macmode"), "deny"))
+		val = WLC_MACMODE_DENY;
+	else
+		val = WLC_MACMODE_DISABLED;
+
+	if ((val != WLC_MACMODE_DISABLED) && (v = nvram_get(wl_var("maclist")))) {
+		char buf[8192];
+		struct maclist *mac_list;
+		struct ether_addr *addr;
+		char *next;
+		
+		memset(buf, 0, 8192);
+		mac_list = (struct maclist *) buf;
+		addr = mac_list->ea;
+
+		foreach(v, nvram_safe_get(wl_var("maclist")), next) {
+			if (ether_atoe(v, addr->ether_addr_octet)) {
+				mac_list->count++;
+				addr++;
+			}
+		}
+		bcom_ioctl(skfd, ifname, WLC_SET_MACLIST, buf, sizeof(buf));
+	} else {
+		val = WLC_MACMODE_DISABLED;
+	}
+	bcom_ioctl(skfd, ifname, WLC_SET_MACMODE, &val, sizeof(val));
+	
+	/* Set up G mode */
+	bcom_ioctl(skfd, ifname, WLC_GET_PHYTYPE, &val, sizeof(val));
+	if (val == 2) {
+		int override = WLC_G_PROTECTION_OFF;
+		int control = WLC_G_PROTECTION_CTL_OFF;
+		
+		val = atoi(nvram_safe_get(wl_var("gmode")));
+		if (val > 5)
+			val = 1;
+		bcom_ioctl(skfd, ifname, WLC_SET_GMODE, &val, sizeof(val));
+		
+		if (nvram_match(wl_var("gmode_protection"), "auto")) {
+			override = WLC_G_PROTECTION_AUTO;
+			control = WLC_G_PROTECTION_CTL_OVERLAP;
+		}
+		if (nvram_enabled(wl_var("gmode_protection"))) {
+			override = WLC_G_PROTECTION_ON;
+			control = WLC_G_PROTECTION_CTL_OVERLAP;
+		}
+		bcom_ioctl(skfd, ifname, WLC_SET_GMODE_PROTECTION_CONTROL, &override, sizeof(control));
+		bcom_ioctl(skfd, ifname, WLC_SET_GMODE_PROTECTION_OVERRIDE, &override, sizeof(override));
+	}
+}
+
+void set_wext_ssid(int skfd, char *ifname)
+{
+	char *buffer;
+	struct iwreq wrq;
+
+	if (buffer = nvram_get(wl_var("ssid"))) {
+		if (strlen(buffer) > IW_ESSID_MAX_SIZE) {
+			ABORT_ARG_SIZE("Set ESSID", SIOCSIWESSID, IW_ESSID_MAX_SIZE);
+		} else {
+			char essid[IW_ESSID_MAX_SIZE + 1];
+
+			wrq.u.essid.flags = 1;
+			strcpy(essid, buffer);
+			wrq.u.essid.pointer = (caddr_t) essid;
+			wrq.u.essid.length = strlen(essid) + 1;
+			IW_SET_EXT_ERR(skfd, ifname, SIOCSIWESSID, &wrq, "Set ESSID");
+		}
+	}
+}
+
+void start_bcom(int skfd, char *ifname)
+{
+	int val = 0;
+	
+	if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
+		return;
+
+	bcom_ioctl(skfd, ifname, WLC_UP, &val, sizeof(val));
+	
+	/* Need to re-set SSID after WLC_UP */
+	set_wext_ssid(skfd, ifname);
+}
+
+void setup_wext_wep(int skfd, char *ifname)
+{
+	int i, keylen;
+	struct iwreq wrq;
+	char keystr[5];
+	char *keyval;
+	unsigned char key[IW_ENCODING_TOKEN_MAX];
+
+	strcpy(keystr, "key1");
+	for (i = 1; i <= 4; i++) {
+		if (keyval = nvram_get(wl_var(keystr))) {
+			keylen = iw_in_key(keyval, key);
+			
+			if (keylen > 0) {
+				wrq.u.data.length = keylen;
+				wrq.u.data.pointer = (caddr_t) key;
+				wrq.u.data.flags = i;
+				IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq, "Set Encode");
+			}
+		}
+		keystr[3]++;
+	}
+	
+	
+	i = atoi(nvram_safe_get(wl_var("key")));
+	if (i > 0 && i < 4) {
+		wrq.u.data.flags = i | IW_ENCODE_RESTRICTED;
+		IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq, "Set Encode");
+	}
+}
+
+void setup_wext(int skfd, char *ifname)
+{
+	char *buffer;
+	struct iwreq wrq;
+
+	/* Set ESSID */
+	set_wext_ssid(skfd, ifname);
+	
+	/* Set channel */
+	int channel = atoi(nvram_safe_get(wl_var("channel")));
+	
+	wrq.u.freq.m = -1;
+	wrq.u.freq.e = 0;
+	wrq.u.freq.flags = 0;
+
+	if (channel > 0) {
+		wrq.u.freq.flags = IW_FREQ_FIXED;
+		wrq.u.freq.m = channel;
+	}
+	IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq, "Set Frequency");
+	
+	/* Set operation mode */
+	int ap = 0, infra = 0, wet = 0;
+	
+	ap = (nvram_match(wl_var("mode"), "ap") || nvram_match(wl_var("mode"), "wds"));
+	infra = nvram_enabled(wl_var("infra"));
+	wet = nvram_enabled(wl_var("wet"));
+
+	wrq.u.mode = (!infra ? IW_MODE_ADHOC : (ap ? IW_MODE_MASTER : (wet ? IW_MODE_REPEAT : IW_MODE_INFRA)));
+	IW_SET_EXT_ERR(skfd, ifname, SIOCSIWMODE, &wrq, "Set Mode");
+
+	/* Disable radio if wlX_radio is set and not enabled */
+	if (nvram_disabled(wl_var("radio")))
+		wrq.u.txpower.disabled = 1;
+	else 
+		wrq.u.txpower.disabled = 0;
+
+	wrq.u.txpower.value = -1;
+	wrq.u.txpower.fixed = 1;
+	wrq.u.txpower.flags = IW_TXPOW_MWATT;
+	IW_SET_EXT_ERR(skfd, ifname, SIOCSIWTXPOW, &wrq, "Set Tx Power");
+
+	/* Set up WEP */
+	if (nvram_enabled(wl_var("wep")))
+		setup_wext_wep(skfd, ifname);
+
+}
+
+
+static int setup_interfaces(int skfd, char *ifname, char *args[], int count)
+{
+	struct iwreq wrq;
+	int rc;
+	
+	/* Avoid "Unused parameter" warning */
+	args = args; count = count;
+	
+	if(iw_get_ext(skfd, ifname, SIOCGIWNAME, &wrq) < 0)
+		return 0;
+
+	setup_bcom(skfd, ifname);
+	setup_wext(skfd, ifname);
+	start_bcom(skfd, ifname);
+	prefix[2]++;
+}
+
+int main(int argc, char **argv)
+{
+	int skfd;
+
+	if((skfd = iw_sockets_open()) < 0) {
+		perror("socket");
+		exit(-1);
+	}
+
+	prefix = strdup("wl0_");
+	iw_enum_devices(skfd, &setup_interfaces, NULL, 0);
+	
+	return 0;
+}