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移植wpa_supplicant到arm-linux 宿主機開發環境:Ubuntu 10.10 /Fedora 12 32 bits 目標開發板：Mini6410 arm-linux 內核Kernel： 2.6.38 交叉編譯器CROSS_COMPILE：arm-linux-gcc-4.5.1 1.移植準備 a. 下載 openssl源代碼 (使用openssl-0.9.8e ) 官網： http://www.openssl.org/source/ 源碼：http://www.openssl.org/source/openssl-0.9.8e.tar.gz b. 下載 wpa_supplicant源代碼 (使用wpa_supplicant-0.7.3 ) 官網：http://hostap.epitest.fi/wpa_supplicant/ 源碼：http://hostap.epitest.fi/releases/wpa_supplicant-0.7.3.tar.gz c: 下載：libtommath源代碼(libtommath_0.39.orig.tar.gz) 源碼：ftp://220.165.12.10/debian/pool/main/libt/libtommath/libtommath_0.39.orig.tar.gz 2. 編譯openssl a.將openssl解到 wpa_supplicant/patches 目錄下 # tar zxvf openssl-0.9.8e.tar.gz -C ../ wpa_supplicant-0.7.3/patches/ b.將openssl-0.9.8-tls-extensions.patch拷貝到 wpa_supplicant/patches/openssl-0.9.8e 目錄下 # cp wpa_supplicant-0.7.3/patches/openssl-0.9.8e-tls-extensions.patch openssl-0.9.8e/ c.patch openssl-0.9.8e # patch -p1 < openssl-0.9.8e-tls-extensions.patch d. 編譯openssl 方式1. # ./Configure linux-elf-arm -DB_ENDIAN linux:' arm-linux-gcc' shared --prefix=/usr/local/openssl # make CC=arm-linux-gcc install >>產生 libssl.a 及libcrypto.a 方式2. # ./Configure no-asm --prefix=/usr/local/openssl # make CC=arm-linux-gcc install >>產生 libssl.so及libcrypto.so 3.編譯libtommath-0.39 a.將libtommath-0.39解到/usr/src/ 目錄下 # tar zxvf libtommath_0.39.orig.tar.gz -C /usr/src b.編譯libtommath # make CC=arm-linux-gcc 產生libtommath.a 4. 編譯wpa_supplicant(增加WPS功能) #cp defconfig .config CONFIG_DRIVER_WEXT=y CONFIG_IEEE8021X_EAPOL=y CONFIG_EAP_FAST=y CONFIG_TLS=openssl CONFIG_TLS=internal CONFIG_INTERNAL_LIBTOMMATH=y ifndef CONFIG_INTERNAL_LIBTOMMATH LTM_PATH=/usr/src/libtommath-0.39 CFLAGS += -I$(LTM_PATH) LIBS += -L$(LTM_PATH) LIBS_p += -L$(LTM_PATH) endif CONFIG_WPS=y CONFIG_EAP_WPS=y #vim .config CC= gcc -L/usr/local/ssl/lib/ CFLAGS += -I/usr/local/ssl/include/ LIBS += -L/usr/local/ssl/lib/ #make CC=arm-linux-gcc install 修正WEP中open/share 無法正確選擇 WPA_SUPPLICANT 當遇到WEP加密時，由於無法判斷是採用OPEN/SHARE,通常會在聲稱.conf檔中加入auth_alg=OPEN SHARED（至少Android遇到）,但事實上某些wifi網卡驅動不能實現同時OPEN和SHARED同時設置，任意時刻只能用一個，這裏給出解決不能同時設置的方法，在wpa_supplicant.c:wpa_supplicant_associate()中加入以下內容: if (ssid->auth_alg) { algs = 0; if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) algs |= AUTH_ALG_OPEN_SYSTEM; if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) algs |= AUTH_ALG_SHARED_KEY; if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) algs |= AUTH_ALG_LEAP; wpa_printf(MSG_DEBUG, "Overriding auth_alg selection: 0x%x", algs); //新增這段 if ((algs & AUTH_ALG_OPEN_SYSTEM) && (algs & AUTH_ALG_SHARED_KEY) ) { algs = AUTH_ALG_SHARED_KEY; G_TRY_CONNECT ++; if (G_TRY_CONNECT >= 4) { algs = AUTH_ALG_OPEN_SYSTEM; wpa_printf(MSG_DEBUG, "RAYDEBUG--------------------change to ALG_OPEN_SYSTEM"); } } } Wpa_supplicant.conf 說明 #Arm-linux/linux //建立socket ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=wheelupdate_config=1 (可以在wpa_cli中保存配置檔) #ap_scan=1 #Android //建立socket ctrl_interface=DIR=/data/misc/wifi ctrl_interface_group=wifi update_config=1 (可以在wpa_cli中保存配置檔) #ap_scan=1 ##WPA/WPA2 # WPA-PSK, PSK use ASCII (只要密碼正確就允許) #network={ # ssid="AcSiP" //AP名稱 #psk="1111111111" //密碼 # #Higher priority use first # priority=5 #} # The same as above, assign SSID for AP without brocast SSID(針對那些拒絕廣播SSID的AP) #network={ #network={ # ssid="second ssid" # scan_ssid=1 # psk="very secret passphrase" # priority=2 #} # Allow WPA-PSK only. Allow any valid password set(允許使用任何合法的加密方式的組合) #network={ # ssid="example" # proto=WPA # key_mgmt=WPA-PSK # pairwise=CCMP TKIP # group=CCMP TKIP WEP104 WEP40 # psk=06b4be19da289f475aa46a33cb793029d4ab3db7a23ee92382eb0106c72ac7bb # priority=2 #} # Plaintext( Not use 802.1X )明文连接方式（不使用WPA和IEEE802.1X） #network={ # ssid="plaintext-test" # key_mgmt=NONE #} # Shared WEP, Not use IEEE 802.11 Shared Key（不使用WPA和IEEE802.1X） network={ ssid=""Test1" key_mgmt=NONE # 引號包含的密鑰是ASCII密鑰 wep_key0="abcde" # 沒有引號包含的密鑰是十六進位密鑰 wep_key1=0102030405 wep_key2="1234567890123" wep_tx_keyidx=0 priority=5 } #Shared WEP, Use IEEE 802.11 Shared Key #network={ # ssid="Test1" # key_mgmt=NONE # wep_key0="aaaaa" # wep_key1="aaaaa" # wep_key2="aaaaa" # wep_key3="aaaaa" # wep_tx_keyidx=0 # priority=5 # auth_alg=SHARED #} #IBSS/ad-hoc with WPA-None/TKIP #network={ # ssid="test adhoc" # mode=1 # proto=WPA # key_mgmt=WPA-NONE # pairwise=NONE # group=TKIP # psk="secret passphrase" #} wpa_cli說明 # wpa_cli -i <interface> status (看看目前的狀態) # wpa_cli -i <interface> help (查看參數與指令) # wpa_cli -i <interface> terminate (關閉wpa_supplicant) # wpa_cli -i <interface> interface (查看有那些無線網卡介面) # wpa_cli -i <interface> list_networks (查看wpa_supplicant.conf檔裡的設定) # wpa_cli -i <interface> select_network (選擇不同的AP，id為AP代號0,1,2,3...) # wpa_cli -i <interface> enable_network # wpa_cli -i <interface> disable_network # wpa_cli -i <interface> remove_network (刪除AP資訊) # wpa_cli -i <interface> reconfigure (重新讀取wpa_supplicant.conf設定內容) # wpa_cli -i <interface> save_config (儲存寫入到wpa_supplicant.conf中，否責變更無效) # wpa_cli -i <interface> disconnect (斷線) # wpa_cli -i <interface> reconnect (重新連線) # wpa_cli -i <interface> scan (掃描附近的AP) # wpa_cli -i <interface> scan_results (印出附近AP的相關資訊) 以上常常用到的差不多是disconnect, reconnect, scan, scan_results, select_network, list_networks, status, reconfigure 測試WPS wpa_supplicant.conf ##Arm-linux/linux：建立socket ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=0update_config=1 #ap_scan=1 eapol_version=1 fast_reauth=1 ##Android：建立socket ctrl_interface=DIR=/data/misc/wifi ctrl_interface_group=wifi update_config=1 #ap_scan=1 eapol_version=1 fast_reauth=1 wpa_cli使用 wpa_supplicant -dd -Dwext -iwlan0 -c/etc/wpa_supplicant/wpa_supplicant.conf& wpa_cli terminate Interactive mode >scan //獲得BSSID >wps_pbc [BSSID] //開始WPS Push button >wps_pin <BSSID> [PIN] // 開始WPS PIN方法, PIN //----------------------------------- 你好，我在按照您的方法来一直wpa——application的时候后，在编译wpa_supplicant-0.7.3的时候，提示了很多错误，undefined reference to `dh5_derive_shared' /usr/local/arm/wpa/wpa_supplicant-0.7.3/wpa_supplicant/../src/wps/wps_common.c:85: undefined reference to `dh5_free' /usr/local/arm/wpa/wpa_supplicant-0.7.3/wpa_supplicant/../src/wps/wps_common.c:102: undefined reference to `sha256_vector' ../src/wps/wps_attr_build.o: In function `wps_build_public_key': /usr/local/arm/wpa/wpa_supplicant-0.7.3/wpa_supplicant/../src/wps/wps_attr_build.c:40: undefined reference to `dh5_free' /usr/local/arm/wpa/wpa_supplicant-0.7.3/wpa_supplicant/../src/wps/wps_attr_build.c:41: undefined reference to `dh5_init' ../src/eapol_supp/eapol_supp_sm.o: In function `eapol_sm_processKey': /usr/local/arm/wpa/wpa_supplicant-0.7.3/wpa_supplicant/../src/eapol_supp/eapol_supp_sm.c:753: undefined reference to `rc4_skip' ../src/eap_peer/eap.o: In function `eap_peer_sm_deinit': /usr/local/arm/wpa/wpa_supplicant-0.7.3/wpa_supplicant/../src/eap_peer/eap.c:1281: undefined reference to `tls_deinit' ../src/eap_peer/eap.o: In function `eap_peer_sm_init': /usr/local/arm/wpa/wpa_supplicant-0.7.3/wpa_supplicant/../src/eap_peer/eap.c:1256: undefined reference to `tls_init' ../src/eap_peer/eap.o: In function `eap_sm_parseEapReq': /usr/local/arm/wpa/wpa_supplicant-0.7.3/wpa_supplicant/../src/eap_peer/eap.c:1096: undefined reference to `md5_vector' ../src/eap_peer/eap_tls_common.o: In function `eap_tls_process_output': 我想问一下，这些问题怎么解决呢？ //------------------------------------- 這個是我原始參考的網頁： .tw/url?sa=t&rct=j&q=wpa_supplicant+wps&source=web&cd=1&ved=0CFkQFjAA&url=https%3A%2F%2Fbugzilla.altlinux.org%2Fattachment.cgi%3Fid%3D4573&ei=ZoIgUNStDKrYmAXIs4GIDg&usg=AFQjCNFoIMIzSI0ip5RTxgP2FJKENaHVBA 請把你的環境及.config重新確認...在ubuntu的話請你先確認wpa_supplicant-0.73 可以直接編譯....否則移植會缺少library Fedora因為library幾乎都直接安裝了，所以沒有缺檔的問題

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