diff --git a/clone/utility/sats-dwc@.service b/clone/utility/sats-dwc@.service index f2fb9df..20cf7d5 100644 --- a/clone/utility/sats-dwc@.service +++ b/clone/utility/sats-dwc@.service @@ -8,20 +8,7 @@ After=sys-subsystem-net-devices-%i.device network-online.target Type=oneshot RemainAfterExit=yes -ExecStartPre=-/bin/echo "[0] Killing previous wpa_supplicant instances" -ExecStartPre=-/usr/bin/pkill wpa_supplicant - -ExecStart=-/bin/echo "[1] Bringing %i up" -ExecStart=-/usr/sbin/ip link set dev %i up -ExecStart=-/bin/echo "[2] Running Dynamic Wireless Configuration" ExecStart=/bin/bash /etc/wpa_supplicant/%i.dwc -ExecStartPost=-/bin/echo "[3] Running WPA Supplicant" -ExecStartPost=/sbin/wpa_supplicant -B -Dwext -i%i -c/etc/wpa_supplicant/%i.conf -ExecStartPost=-/bin/echo "[4] Running DHCP client" -ExecStartPost=/sbin/dhclient %i -ExecStartPost=-/bin/echo "[5] Checking connectivity" -ExecStartPost=/usr/bin/test -z "`ping xdrm.io -q -c 1 -i 1 2>&1 > /dev/null`" - [Install] WantedBy=multi-user.target diff --git a/clone/utility/wlan0.dwc b/clone/utility/wlan0.dwc index 11153bc..adbb041 100644 --- a/clone/utility/wlan0.dwc +++ b/clone/utility/wlan0.dwc @@ -6,6 +6,17 @@ slog(){ echo -e "$1" | sudo -u sats tee -a $LOGFILE > /dev/null; } +failexit(){ + slog " > failed"; + exit 127; +} + +connectedexit(){ + slog " > connected"; + slog "<<< Finished\n"; + exit 0; +} + test ! -f $LOGFILE && sudo -u sats touch $LOGFILE; HSALT="***SALT***"; @@ -14,39 +25,71 @@ HPEPPER="***PEPPER***"; slog ">>> Dynamic Wireless Credentials"; -# [1] Wifi scan for "SATS_*" APs + +# [1] Checking connectivity +#========================================================# +slog " * 1. Checking connectivity" +[ -z "`ping xdrm.io -q -c 1 -i 1 2>&1 > /dev/null`" ] \ + && connectedexit \ + || slog " > offline"; + + + +# [2] Wifi scan for "SATS_*" APs #========================================================# # (1) Get interface name # -slog " * 1. Looking for wireless interface"; +slog " * 2. Looking for wireless interface"; IFACE=`sudo ifconfig -a | grep -P "^w" | awk '{print $1}' | head -n 1`; sudo ifconfig $IFACE up; # (2) Manage no IFACE found # -test -z "$IFACE" && slog " > no wireless IFACE found" && exit; -slog " > got '$IFACE'"; +test -z "$IFACE" && failexit; +slog " > done (got '$IFACE')"; + # (3) Get nearest AP matching "SATS_*" and extract HASH # -slog " * 2. Looking for nearest AP matching 'SATS_.+'"; +slog " * 3. Looking for nearest AP matching 'SATS_.+'"; AP_HASH=`sudo iwlist $IFACE scan | grep -P "^\s*ESSID:\"SATS_.+\"\s*$" | sed 's/^[ \t]*ESSID:"SATS_//' | sed 's/"[ \t]*$//' | head -n 1`; # (4) Manage no AP found # -test -z "$AP_HASH" && slog " > no AP found" && exit; -slog " > got 'SATS_$AP_HASH'"; +test -z "$AP_HASH" && failexit; +slog " > done (got 'SATS_$AP_HASH')"; -# [2] Calculate WIFI PASS from SSID hash +# [3] Calculate WIFI PASS from SSID hash #========================================================# -slog " * 3. Processing WPA2 passphrase" +slog " * 4. Processing WPA2 passphrase" PASS=`echo -ne "$HPEPPER$(echo -ne "${HSALT}${AP_HASH}" | sha512sum | sed 's/[ \t]*-$//')" | sha512sum | sed 's/[ \t]*-//' | cut -b 1-63`; slog " > done"; -# [3] Update 'wpa_supplicant' configuration +# [4] Update 'wpa_supplicant' configuration #========================================================# echo -e "network={\n\tssid=\"SATS_$AP_HASH\"\n\tpsk=\"$PASS\"\n}" | sudo tee /etc/wpa_supplicant/$IFACE.conf; -slog "<<< Done\n"; +# [5] Restart connection +#========================================================# +# (1) Starting wpa_supplicant # +slog " * 5. Starting wpa_supplicant" +sudo pkill wpa_supplicant; +sudo wpa_supplicant -B -Dwext -i$IFACE -c/etc/wpa_supplicant/$IFACE.conf \ + && slog " > done" \ + || failexit; + + +# (2) Starting dhclient # +slog " * 6. Starting dhclient" +if [ ! -z "`pgrep dhclient`" ]; then + slog " > already running"; +else + sudo dhclient $IFACE \ + && slog " > done" \ + || failexit; +fi; + + +slog "<<< Finished\n";