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April 29, 2015 16:34
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WiFi Diagnostics Linux
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| #!/bin/bash | |
| # | |
| # Copyright (c) 2012 | |
| # | |
| # Authors: Wild Man, Krytarik | |
| # Helpers: chili555 | |
| # | |
| # This script gathers the infos necessary for troubleshooting a wireless | |
| # connection and saves them in a text file, wrapping it in an archive if it | |
| # exceeds the 19.5 kB size limit for ".txt" attachments on the Ubuntu Forums. | |
| # | |
| ############################################################################## | |
| # | |
| # 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 3 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. | |
| # | |
| # You should have received a copy of the GNU General Public License | |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| # | |
| SCRIPTDATE="2015-04-06 19:23 +0200" | |
| FILEBASE="wireless-info" | |
| OUTPUTDIR="$PWD" | |
| OUTPUTDIRFB="/tmp" | |
| MODMATCHES="(air|ar5|at7|ath[^3]?|b43|bcma|brcm|carl|ipw|iwl|ndis|r(818|8192[eu]|871|92su)|rt[23567]|rtl|ssb|wl|(cfg|mac)80211)" | |
| LSMODMATCHES="(wmi|(dell|ideapad)[-_]laptop)" | |
| DMESGMATCHES="(wlan[0-9]|eth[1-9]|firmware|[nN]etwork)" | |
| NMPROFMATCHES="\(\[connection\]\|id=\|type=\|permissions=\|autoconnect=\|\[802-11-wireless\]\|\[wifi\]\|ssid=\|bssid=\|mac-address\(-blacklist\)\?=\|mtu=\|\[802-1x\]\|[[:graph:]]*ca-certs\?=\|\[ipv[46]\]\|method=\)" | |
| DMESGEXCL="apparmor|(cfg|mac)80211" | |
| MODINFOEXCL="alias" | |
| MODPROBEXCL="(alsa-base|blacklist-(firewire|framebuffer|modem|oss|watchdog)|fglrx|nvidia|fbdev|bumblebee)" | |
| PMUTILSEXCL="/etc/pm/(power.d/(95hdparm-apm|intel-audio-powersave|sata_alpm)|sleep.d/(10_grub-common|10_unattended-upgrades.*|novatel_3g.*))" | |
| export LANG="en_US.UTF-8" | |
| export LANGUAGE="en_US:en" | |
| export LC_ALL="en_US.UTF-8" | |
| if [ -t 0 ]; then | |
| DIALOGAPP="terminal" | |
| DIALOGBREAK=" " | |
| TERMOUT="yes" | |
| elif [ -x /usr/bin/zenity ]; then | |
| DIALOGAPP="zenity" | |
| DIALOGBREAK="\n" | |
| elif [ -x /usr/bin/kdialog ]; then | |
| DIALOGAPP="kdialog" | |
| DIALOGBREAK="\n" | |
| else | |
| exit 1 | |
| fi | |
| if [ -t 0 ]; then | |
| SUDO="sudo" | |
| elif [ -x /usr/bin/pkexec ]; then | |
| SUDO="pkexec" | |
| elif [ -x /usr/bin/gksudo ]; then | |
| SUDO="gksudo" | |
| GKSUDO="yes" | |
| elif [ -x /usr/bin/kdesudo ]; then | |
| SUDO="kdesudo" | |
| KDESUDO="yes" | |
| KDESUDOCMT=" needs administrative privileges. Please enter your password." | |
| fi | |
| dialog_info () { | |
| case $DIALOGAPP in | |
| terminal) | |
| printf "%b\n" "$1" | |
| ;; | |
| zenity) | |
| zenity --info --text="$1" | |
| ;; | |
| kdialog) | |
| kdialog --msgbox "$1" | |
| ;; | |
| esac | |
| } | |
| dialog_error () { | |
| case $DIALOGAPP in | |
| terminal) | |
| printf "%b\n" "$1" >&2 | |
| ;; | |
| zenity) | |
| zenity --error --text="$1" | |
| ;; | |
| kdialog) | |
| kdialog --error "$1" | |
| ;; | |
| esac | |
| } | |
| dialog_question () { | |
| case $DIALOGAPP in | |
| terminal) | |
| local INPUT | |
| read -r -p "$1 [Y/n]: " INPUT | |
| echo "${INPUT,,}" | |
| ;; | |
| zenity) | |
| zenity --question --text="$1" || echo "no" | |
| ;; | |
| kdialog) | |
| kdialog --yesno "$1" || echo "no" | |
| ;; | |
| esac | |
| } | |
| exec 3>&1 4>&2 | |
| exec 1> "$OUTPUTDIR/$FILEBASE.txt" || { | |
| dialog_error "${TERMOUT+\n}Cannot write output file in \"$OUTPUTDIR\",${DIALOGBREAK}trying in \"$OUTPUTDIRFB\" instead.${TERMOUT+\n}" | |
| OUTPUTDIR="$OUTPUTDIRFB" | |
| exec 1> "$OUTPUTDIR/$FILEBASE.txt" || { | |
| dialog_error "${TERMOUT+\n}Cannot write output file in \"$OUTPUTDIR\" either, aborting.${TERMOUT+\n}" | |
| exit 1 | |
| } | |
| } | |
| exec 2>&1 | |
| printf "\n########## wireless info START ##########\n\n" | |
| REPORTDATE=$(date +"%d %b %Y %H:%M %Z %z") | |
| SCRIPTDATE=$(date -u -d "$SCRIPTDATE" +"%d %b %Y %H:%M %Z %z") | |
| LASTBOOTDT=$(last -FRn 1 reboot | sed -n 's/.*system boot[ ]\+\(.\+\) - .*$/\1/p') | |
| LASTBOOTDT=$(date -d "$LASTBOOTDT" +"%d %b %Y %H:%M %Z %z") | |
| printf "Report from: %s\n\n" "$REPORTDATE" | |
| printf "Booted last: %s\n\n" "$LASTBOOTDT" | |
| printf "Script from: %s\n" "$SCRIPTDATE" | |
| printf "\n##### release ###########################\n\n" | |
| lsb_release -idrc | |
| printf "\n##### kernel ############################\n\n" | |
| uname -srvmpio | |
| echo | |
| sed 's/root=[^ ]*//;s/[ ]\+/, /g;s/^BOOT_IMAGE=[^ ]*/Parameters:/' /proc/cmdline | |
| printf "\n##### desktop ###########################\n\n" | |
| if [ -n "$DESKTOP_SESSION" ]; then | |
| DESKTOP="$DESKTOP_SESSION" | |
| else | |
| DESKTOP=$(sed -n 's/^Session=\(.\+\)$/\1/p' "$HOME/.dmrc") | |
| DESKDMRC=" (from ~/.dmrc)" | |
| fi | |
| if [ -n "$DESKTOP" ]; then | |
| if [ -f "/usr/share/xsessions/$DESKTOP.desktop" ]; then | |
| DESKTOP=$(sed -n 's/^Name=\(.\+\)$/\1/p' "/usr/share/xsessions/$DESKTOP.desktop") | |
| fi | |
| echo "${DESKTOP/ Session/}${DESKDMRC}" | |
| else | |
| echo "Could not be determined." | |
| fi | |
| printf "\n##### lspci #############################\n\n" | |
| lspci -nnk | grep -iA 2 '^[^[:space:]].*net' | sed '/^--$/d;/^[^[:space:]]/ i\\' | |
| printf "\n##### lsusb #############################\n\n" | |
| lsusb | |
| printf "\n##### PCMCIA card info ##################\n\n" | |
| if [ -x /sbin/pccardctl ]; then | |
| pccardctl info | |
| else | |
| echo "'pccardctl' is not installed (package \"pcmciautils\")." | |
| fi | |
| printf "\n##### rfkill ############################\n\n" | |
| rfkill list all | |
| printf "\n##### lsmod #############################\n\n" | |
| LSMOD=$(lsmod | egrep "(^|[[:punct:] ])($MODMATCHES|$LSMODMATCHES)[^[:punct:] ]*([[:punct:] ]|$)") | |
| echo "$LSMOD" | |
| printf "\n##### interfaces ########################\n\n" | |
| sed '/^#/d;s/^wpa-psk [[:graph:]]\+/wpa-psk <WPA key removed>/' /etc/network/interfaces | |
| printf "\n##### ifconfig ##########################\n\n" | |
| ifconfig -a | sed '/^lo /,/^$/d' | |
| printf "\n##### iwconfig ##########################\n\n" | |
| iwconfig | |
| printf "\n##### route #############################\n\n" | |
| route -n | |
| printf "\n##### resolv.conf #######################\n\n" | |
| grep -v '^#' /etc/resolv.conf | |
| printf "\n##### NetworkManager info ###############\n\n" | |
| if [ -x /usr/bin/nm-tool ]; then | |
| nm-tool | |
| else | |
| nmcli -f all device show | sed '/^GENERAL.DEVICE:[ ]\+lo$/,/^$/d; /^AP\[[0-9]\+\]\./d' | |
| echo | |
| nmcli -f SSID,BSSID,MODE,CHAN,FREQ,RATE,SIGNAL,BARS,SECURITY,ACTIVE,IN-USE device wifi list | |
| fi | |
| printf "\n##### NetworkManager.state ##############\n\n" | |
| cat -s /var/lib/NetworkManager/NetworkManager.state | |
| printf "\n##### NetworkManager.conf ###############\n\n" | |
| grep -v '^#' /etc/NetworkManager/NetworkManager.conf | |
| if [ -f /etc/NetworkManager/nm-system-settings.conf ]; then | |
| printf "\nnm-system-settings.conf (used up to Ubuntu 10.04):\n\n" | |
| grep -v '^#' /etc/NetworkManager/nm-system-settings.conf | |
| fi | |
| printf "\n##### NetworkManager profiles ###########\n\n" | |
| if [ -n "$SUDO" ]; then | |
| trap "" 2 3 | |
| NMPROFILES=$(find /etc/NetworkManager/system-connections -maxdepth 1 -type f -exec $SUDO${GKSUDO+ -D grep --}${KDESUDO+ -d --comment "<b>grep</b>$KDESUDOCMT" --} grep -vH '^$' {} + 2> /dev/null) && SUDOSUCCESS="yes" || SUDOSUCCESS="no" | |
| trap 2 3 | |
| if [ "$SUDOSUCCESS" = "yes" ]; then | |
| ORIGIFS="$IFS" | |
| IFS=$'\n' | |
| for NMWLPRFFILE in $(sed -n 's/^\(.\+\):type=\(802-11-wireless\|wifi\).*$/\1/p' <<< "$NMPROFILES"); do | |
| NMWLPRFFLPERMS=$(stat -c "%a %U" "$NMWLPRFFILE") | |
| NMWLPROFILE=($(sed -n "s;^$NMWLPRFFILE:\($NMPROFMATCHES.*\)$;\1 |;p" <<< "$NMPROFILES")) | |
| NMWLPROFSOUT+="[[$NMWLPRFFILE]] ($NMWLPRFFLPERMS)"$'\n'"${NMWLPROFILE[@]}"$'\n\n' | |
| done | |
| IFS="$ORIGIFS" | |
| sed 's# | \[#\n\[#g;s#\] |#\]#g;s/ |$//' <<< "$NMWLPROFSOUT" | sed '/^\[[^]]*\]$/d' | |
| else | |
| echo "Acquisition of admin privileges failed." | |
| fi | |
| else | |
| echo "No way to acquire admin privileges found." | |
| fi | |
| printf "\n##### iw reg get ########################\n\n" | |
| if [ -x /sbin/iw ]; then | |
| if IWREGGET=$(iw reg get 2>&1) && [ -f /etc/timezone ]; then | |
| REGION=$(cat /etc/timezone) | |
| printf "Region: %s (based on set time zone)\n\n" "$REGION" | |
| fi | |
| echo "$IWREGGET" | |
| else | |
| echo "'iw' is not installed (package \"iw\")." | |
| fi | |
| printf "\n##### iwlist channels ###################\n\n" | |
| iwlist chan | |
| printf "\n##### iwlist scan #######################\n\n" | |
| if [ -n "$SUDO" ]; then | |
| trap "" 2 3 | |
| IWLISTSCAN=$($SUDO${KDESUDO+ -d} iwlist scan 2>&1) && SUDOSUCCESS="yes" || SUDOSUCCESS="no" | |
| trap 2 3 | |
| if [ "$SUDOSUCCESS" = "yes" ]; then | |
| if [[ $IWLISTSCAN = *Frequency:* ]]; then | |
| printf "Channel occupancy:\n\n" | |
| grep '^[ ]*Frequency:' <<< "$IWLISTSCAN" | sort | uniq -c | sed 's/^[ ]\+\([ ][0-9]\+\)[ ]\+/ \1 APs on /' | |
| echo | |
| fi | |
| egrep -v '^[ ]*IE: Unknown:|ibus-daemon' <<< "$IWLISTSCAN" | |
| else | |
| echo "Acquisition of admin privileges failed." | |
| fi | |
| else | |
| echo "No way to acquire admin privileges found." | |
| fi | |
| printf "\n##### module infos ######################\n\n" | |
| MODULES=$(egrep -o "^$MODMATCHES[^ ]*" <<< "$LSMOD") | |
| for MODULE in $MODULES; do | |
| MODINFO=$(modinfo $MODULE | egrep -v "^$MODINFOEXCL:") | |
| printf "[%s]\n%s\n\n" "$MODULE" "$MODINFO" | |
| done | |
| printf "\n##### module parameters #################\n\n" | |
| for MODULE in $MODULES; do | |
| if [ -d /sys/module/$MODULE/parameters ]; then | |
| MODPARAMS=$(grep -H '^[[:graph:]]' /sys/module/$MODULE/parameters/* | sed 's#^.*/##;s/:/: /') | |
| printf "[%s]\n%s\n\n" "$MODULE" "$MODPARAMS" | |
| fi | |
| done | |
| printf "\n##### /etc/modules ######################\n\n" | |
| grep -v '^#' /etc/modules | |
| printf "\n##### modprobe options ##################\n\n" | |
| for MODPROBEFILE in $(find /etc/modprobe.{conf,d} -name "*.conf" -regextype posix-egrep -not -regex ".*$MODPROBEXCL.*" 2> /dev/null | sort); do | |
| MODPROBEOPTS=$(egrep -v '^(#|$)' $MODPROBEFILE) | |
| if [ -n "$MODPROBEOPTS" ]; then | |
| printf "[%s]\n%s\n\n" "$MODPROBEFILE" "$MODPROBEOPTS" | |
| fi | |
| done | |
| printf "\n##### rc.local ##########################\n\n" | |
| grep -v '^#' /etc/rc.local | |
| printf "\n##### pm-utils ##########################\n\n" | |
| for PMUTILSFILE in $(find /etc/pm/*.d \( -type f -o -type l \) -regextype posix-egrep -not -regex "$PMUTILSEXCL" | sort); do | |
| PMUTFLCONT=$(egrep -v '^(#|$)' $PMUTILSFILE) | |
| if [ -n "$PMUTFLCONT" ]; then | |
| PMUTFLPERMS=$(stat -c "%a %U" $PMUTILSFILE) | |
| printf "[%s] (%s)\n%s\n\n" "$PMUTILSFILE" "$PMUTFLPERMS" "$PMUTFLCONT" | |
| fi | |
| done | |
| printf "\n##### udev rules ########################\n\n" | |
| for UDEVRLFILE in /etc/udev/rules.d/*net*.rules; do | |
| UDEVRULES=$(grep -B1 '^[^#]' $UDEVRLFILE | egrep -v '^(--)?$') | |
| if [ -n "$UDEVRULES" ]; then | |
| printf "[%s]\n%s\n\n" "$UDEVRLFILE" "$UDEVRULES" | |
| fi | |
| done | |
| printf "\n##### dmesg #############################\n\n" | |
| dmesg | tail -n 100 | egrep "[[:punct:] ]($MODMATCHES|$DMESGMATCHES)[^[:punct:] ]*[[:punct:] ]" | egrep -v "$DMESGEXCL" | uniq -cf 2 | sed 's/^[ ]\+1[ ]\+//;s/^[ ]\+\([0-9]\+\)[ ]\+\(.\+\)$/\2 (repeated \1 times)/' | |
| printf "\n########## wireless info END ############\n\n" | |
| exec 2>&4 4>&- | |
| exec 1>&3 3>&- | |
| ##### MAC address masking ##### | |
| RESULTS=$(cat -s "$OUTPUTDIR/$FILEBASE.txt")$'\n' | |
| ORIGIFS="$IFS" | |
| IFS=$'\n' | |
| IFACESRAW=$(sed -n '/^##### ifconfig #####/,/^##### /p' <<< "$RESULTS") | |
| IFACESIDS=($(sed -n "s/^\([^ ]\+\)[ ]\+.*HWaddr.*/'\1' [IF]/p" <<< "$IFACESRAW")) | |
| IFACESMACS=($(sed -n 's/^[^ ]\+[ ]\+.*HWaddr \([^ ]\+\)[ ]*/\1/p' <<< "$IFACESRAW")) | |
| WLAPSIWLRAW=$(sed -n '/^##### iwlist scan #####/,/^##### /p' <<< "$RESULTS") | |
| WLAPSIWLIDS=($(sed -n "/^[ ]*Cell [0-9]\+/,/^[ ]*ESSID:/ {/^[ ]*Cell [0-9]\+/h;/^[ ]*ESSID:/ {H;g;s/^[ ]*Cell 0\?\([0-9]\+\).*ESSID:\"\(.*\)\"$/'\2' [AC\1]/p}}" <<< "$WLAPSIWLRAW")) | |
| WLAPSIWLMACS=($(sed -n 's/^[ ]*Cell [0-9]\+.*Address: \([^ ]\+\)/\1/p' <<< "$WLAPSIWLRAW")) | |
| WLAPSNMRAW=$(sed -n '/^##### NetworkManager info #####/,/^##### / {/^[ ]*Wireless Access Points/,/^$/ {/Wireless Access Points/d;s/^[ ]\+\*\?//;s/:[ ]\+/\t/;p}; /^SSID[ ]\+BSSID[ ]\+/,/^$/ {/^SSID[ ]\{2,\}BSSID[ ]\{2,\}/d;s/[ ]\{2,\}/\t/;p}}' <<< "$RESULTS") | |
| WLAPSNMIDS=($(awk -F '\t' '{printf "'\''%s'\'' [AN%d]\n", $1, NR}' <<< "$WLAPSNMRAW")) | |
| WLAPSNMMACS=($(grep -o '\([[:alnum:]]\{2\}:\)\{5\}[[:alnum:]]\{2\}' <<< "$WLAPSNMRAW")) | |
| IFS="$ORIGIFS" | |
| for IFACENR in "${!IFACESMACS[@]}"; do | |
| MACMASKSED+="s;${IFACESMACS[$IFACENR]};<MAC ${IFACESIDS[$IFACENR]-address}>;I;" | |
| done | |
| for WLAPIWLNR in "${!WLAPSIWLMACS[@]}"; do | |
| MACMASKSED+="s;${WLAPSIWLMACS[$WLAPIWLNR]};<MAC ${WLAPSIWLIDS[$WLAPIWLNR]-address}>;I;" | |
| done | |
| for WLAPNMNR in "${!WLAPSNMMACS[@]}"; do | |
| MACMASKSED+="s;${WLAPSNMMACS[$WLAPNMNR]};<MAC ${WLAPSNMIDS[$WLAPNMNR]-address}>;I;" | |
| done | |
| sed "$MACMASKSED/\([[:alnum:]]\{2\}:\)\{6,\}/! s/\([[:alnum:]]\{2\}:\)\{5\}[[:alnum:]]\{2\}/<MAC address>/" <<< "$RESULTS" > "$OUTPUTDIR/$FILEBASE.txt" | |
| ##### The End ##### | |
| dialog_info "${TERMOUT+\n}Results saved in \"$OUTPUTDIR/$FILEBASE.txt\".${TERMOUT+\n}" | |
| if (( $(stat -c %s "$OUTPUTDIR/$FILEBASE.txt") > 19968 )); then | |
| tar -czf "$OUTPUTDIR/$FILEBASE.tar.gz" -C "$OUTPUTDIR" "$FILEBASE.txt" && \ | |
| dialog_info "Results also archived in \"$OUTPUTDIR/$FILEBASE.tar.gz\",${DIALOGBREAK}as they exceed the 19.5 kB size limit for \".txt\" attachments${DIALOGBREAK}on the Ubuntu Forums.${TERMOUT+\n}" || \ | |
| dialog_error "Results exceed the 19.5 kB size limit for \".txt\" attachments${DIALOGBREAK}on the Ubuntu Forums, but archive could not be created.${TERMOUT+\n}" | |
| fi | |
| if [ -x /usr/bin/pastebinit ] && ping -nc 3 -w 6 -i 0.2 paste.ubuntu.com > /dev/null 2>&1; then | |
| PASTEBIN=$(dialog_question "Do you also want to pastebin them${DIALOGBREAK}to your default 'pastebinit' provider?") | |
| if [[ ! $PASTEBIN =~ ^no?$ ]]; then | |
| PASTERESULT=$(pastebinit -i "$OUTPUTDIR/$FILEBASE.txt" -f text 2>&1) && PASTESUCCESS="yes" | |
| if [ "$PASTESUCCESS" = "yes" ]; then | |
| dialog_info "${TERMOUT+\n}Pastebin successful:\n\n${PASTERESULT}${TERMOUT+\n}" | |
| else | |
| if [ -n "$PASTERESULT" ]; then | |
| dialog_error "${TERMOUT+\n}Pastebin failed, error message is:\n\n${PASTERESULT}${TERMOUT+\n}" | |
| else | |
| dialog_error "${TERMOUT+\n}Pastebin failed, no error message given.${TERMOUT+\n}" | |
| fi | |
| fi | |
| else | |
| echo | |
| fi | |
| fi |
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