| 1 | #!/bin/sh
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| 2 | # Wireless Leiden config-update script for FreeBSD 11.0 (nanobsd)
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| 3 | # Based on the 'API' of Jasper
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| 4 | # Rick van der Zwet
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| 5 | # XXX: TODO, some proper error checking for fetch
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| 6 |
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| 7 |
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| 8 | # Slow connection = no connection
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| 9 | export HTTP_TIMEOUT=20
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| 10 |
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| 11 |
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| 12 | check_access() {
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| 13 | # Direct Access - External
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| 14 | BASEURL="http://wirelessleiden.nl/config/"
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| 15 | fetch -o /dev/null -q $BASEURL > /dev/null && return
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| 16 | echo "# WARN: Fetch via external $BASEURL failed"
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| 17 |
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| 18 | # Direct Access - Internal IP
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| 19 | BASEURL="http://172.16.4.46/wleiden/config/"
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| 20 | # Connectivity check
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| 21 | fetch -o /dev/null -q $BASEURL > /dev/null && return
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| 22 | echo "# WARN: Fetch via internal $BASEURL failed"
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| 23 |
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| 24 | # Direct Access - External DNS
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| 25 | BASEURL="http://132.229.112.21/wleiden/config/"
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| 26 | fetch -o /dev/null -q $BASEURL > /dev/null && return
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| 27 | echo "# CRIT: Fetch via external $BASEURL failed"
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| 28 |
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| 29 | exit 1
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| 30 | }
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| 31 | check_access
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| 32 |
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| 33 |
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| 34 | # Default config to fetch
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| 35 | CONFIG=`hostname -s`
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| 36 |
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| 37 | # Determine it's statup and running location and some other hints
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| 38 | # Ordering is important! resolv.conf is fetched as last file, as it could
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| 39 | # potentially break the downloading of other files.
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| 40 | FILES="authorized_keys dhcpd.conf dnsmasq.conf motd rc.conf.local pf.hybrid.conf.local unbound.wleiden.conf wleiden.yaml resolv.conf"
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| 41 | file_details() {
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| 42 | POST_CMD=""
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| 43 | FILE_HINT=""
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| 44 |
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| 45 | case "$1" in
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| 46 | 'authorized_keys')
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| 47 | STARTUP_LOC="/cfg/ssh/${FILE}"
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| 48 | RUNNING_LOC="/etc/ssh/${FILE}"
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| 49 | ;;
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| 50 | 'dhcpd.conf')
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| 51 | STARTUP_LOC="/cfg/local/${FILE}"
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| 52 | RUNNING_LOC="/usr/local/etc/${FILE}"
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| 53 | POST_CMD="service isc-dhcpd restart"
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| 54 | ;;
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| 55 | 'dnsmasq.conf')
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| 56 | STARTUP_LOC="/cfg/local/${FILE}"
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| 57 | RUNNING_LOC="/usr/local/etc/${FILE}"
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| 58 | POST_CMD="service dnsmasq restart"
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| 59 | ;;
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| 60 | 'motd')
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| 61 | STARTUP_LOC="/cfg/${FILE}"
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| 62 | RUNNING_LOC="/etc/${FILE}"
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| 63 | POST_CMD="/etc/rc.d/motd onestart"
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| 64 | ;;
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| 65 | 'named.conf')
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| 66 | STARTUP_LOC="/cfg/namedb/${FILE}"
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| 67 | RUNNING_LOC="/etc/namedb/${FILE}"
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| 68 | POST_CMD="service named restart"
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| 69 | ;;
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| 70 | 'rc.conf.local')
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| 71 | STARTUP_LOC="/cfg/${FILE}"
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| 72 | RUNNING_LOC="/etc/${FILE}"
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| 73 | FILE_HINT="Restart interfaces with: nohup service netif restart"
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| 74 | ;;
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| 75 | 'resolv.conf')
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| 76 | STARTUP_LOC="/cfg/${FILE}"
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| 77 | RUNNING_LOC="/etc/${FILE}"
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| 78 | FILE_HINT="To get the ordering right run: nameserver-shuffle"
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| 79 | ;;
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| 80 | 'pf.hybrid.conf.local')
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| 81 | STARTUP_LOC="/cfg/${FILE}"
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| 82 | RUNNING_LOC="/etc/${FILE}"
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| 83 | POST_CMD="service pf reload"
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| 84 | ;;
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| 85 | 'unbound.wleiden.conf')
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| 86 | STARTUP_LOC="/cfg/local/${FILE}"
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| 87 | RUNNING_LOC="/usr/local/etc/${FILE}"
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| 88 | POST_CMD="service unbound reload"
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| 89 | ;;
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| 90 | 'wleiden.yaml')
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| 91 | STARTUP_LOC="/cfg/local/${FILE}"
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| 92 | RUNNING_LOC="/usr/local/etc/${FILE}"
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| 93 | ;;
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| 94 | esac
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| 95 | }
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| 96 |
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| 97 | usage() {
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| 98 | (
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| 99 | echo "Usage: $0 [-bpn] [-c <config>] [-m <all|startup|testing|running>]"
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| 100 | echo " -b = batch mode, no user input"
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| 101 | echo " -c <config> = default configuration to fetch"
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| 102 | echo " -d = do not run the POST_CMD commands [default]"
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| 103 | echo " -p = run the POST_CMD commands to activate the services right-away"
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| 104 | echo " -n = do not mount config partition"
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| 105 | echo " -m all = copy config files to running & config partition [default]"
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| 106 | echo " -m startup = copy config files to config partition"
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| 107 | echo " -m testing = do not copy config files"
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| 108 | echo " -m running = copy config files to running partition"
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| 109 | echo " -m hack = copy running files to config partition"
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| 110 | ) 1>&2
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| 111 | exit 2
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| 112 | }
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| 113 |
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| 114 | # Argument parsing using getopts
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| 115 | USE_API=1 # Whether or not to use the webinterface
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| 116 | OPT_MOUNT=1
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| 117 | OPT_RUNNING=1
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| 118 | OPT_STARTUP=1
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| 119 | OPT_HACK=0 # Hack for people without configuration managment and testing
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| 120 | OPT_BATCH=0
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| 121 | OPT_POSTCMD=false
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| 122 |
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| 123 | parse_options() {
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| 124 | while getopts "bc:nm:dp" OPT; do
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| 125 | case "$OPT" in
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| 126 | b) OPT_BATCH=1;;
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| 127 | c) CONFIG="${OPTARG}";;
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| 128 | d) OPT_POSTCMD=false;;
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| 129 | n) OPT_MOUNT=0;;
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| 130 | m) case "$OPTARG" in
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| 131 | all) true;;
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| 132 | live) OPT_STARTUP=0;;
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| 133 | startup) OPT_RUNNING=0;;
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| 134 | testing) OPT_RUNNING=0; OPT_STARTUP=0; OPT_MOUNT=0;;
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| 135 | hack) OPT_RUNNING=0; OPT_STARTUP=0; OPT_HACK=1; USE_API=0;;
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| 136 | *) usage;;
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| 137 | esac;;
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| 138 | h) usage;;
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| 139 | p) OPT_POSTCMD=true;;
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| 140 | \?) usage;;
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| 141 | esac
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| 142 | done
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| 143 | # Allow to override automatic mounting, in case of external mount 'managment'
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| 144 | if [ "$1" = "-n" ]; then
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| 145 | OPT_MOUNT=0
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| 146 | fi
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| 147 |
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| 148 | if [ "${OPT_RUNNING}" -eq 1 ]; then
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| 149 | echo "# INFO: Storing new config files in running configuration"
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| 150 | fi
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| 151 |
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| 152 | if [ "${OPT_STARTUP}" -eq 1 ]; then
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| 153 | echo "# INFO: Storing new config files in startup configuration"
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| 154 | fi
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| 155 |
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| 156 | if [ "${OPT_HACK}" -eq 1 ]; then
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| 157 | echo "# WARN: Copy running configuration to startup configuration"
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| 158 | echo "# WARN: Please do mind to document/mention this changes somewhere"
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| 159 | fi
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| 160 |
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| 161 | if /bin/df / | grep -q "^/dev/md[0-9]"; then
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| 162 | OPT_MOUNT=0
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| 163 | echo "# WARN: Mount operations disabled as we are running in a md(4) image"
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| 164 | fi
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| 165 |
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| 166 | # New line before the real work gets started
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| 167 | echo ""
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| 168 | }
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| 169 |
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| 170 |
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| 171 |
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| 172 |
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| 173 | # test validity of input
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| 174 | config_validator() {
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| 175 | INPUT="$1"
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| 176 | `grep -q "^${INPUT}\$" ${TMPDIR}/node_list.txt`
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| 177 | if [ $? -eq 0 ]; then
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| 178 | return 0
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| 179 | else
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| 180 | echo "WARNING: Input '${INPUT}' is not valid, some hints..."
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| 181 | grep -i "${INPUT}" ${TMPDIR}/node_list.txt
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| 182 | return 1
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| 183 | fi
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| 184 | }
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| 185 |
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| 186 |
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| 187 |
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| 188 | select_node() {
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| 189 | # List of all available nodes
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| 190 | fetch -q -o ${TMPDIR}/node_list.txt ${BASEURL} || exit 1
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| 191 |
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| 192 | if [ ${OPT_BATCH} -eq 1 ]; then
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| 193 | config_validator "${CONFIG}"
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| 194 | if [ $? -eq 1 ]; then
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| 195 | echo "ERROR: Please provide valid config" 1>&2
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| 196 | exit 1
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| 197 | fi
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| 198 | else
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| 199 | # Provide Nodelist and feedback
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| 200 | cat ${TMPDIR}/node_list.txt | column
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| 201 | echo ' THIS script adds the config from GENESIS to this operating system'
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| 202 | echo ' make sure you know what you are doing, if not press control-C'
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| 203 | echo ' ENTER CONFIG NAME ......(and press enter)'
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| 204 |
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| 205 | # Have the user to select the right node
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| 206 | INVALID_CONFIG=1
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| 207 | while [ ${INVALID_CONFIG} -eq 1 ]; do
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| 208 | # Ask for node name, play around with prev option
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| 209 | echo -n "Name [${CONFIG}]: "
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| 210 | read INPUT
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| 211 | if [ -z "${INPUT}" ]; then
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| 212 | INPUT=${CONFIG}
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| 213 | else
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| 214 | CONFIG=${INPUT}
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| 215 | fi
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| 216 |
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| 217 | config_validator "${INPUT}"
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| 218 | if [ $? -eq 0 ]; then
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| 219 | INVALID_CONFIG=0
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| 220 | fi
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| 221 | done
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| 222 | fi
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| 223 | }
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| 224 |
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| 225 |
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| 226 |
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| 227 |
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| 228 | # Copy file, saving some bits if no change needed
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| 229 | copy_file() {
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| 230 | SOURCE=$1
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| 231 | TARGET=$2
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| 232 | diff -I '^FreeBSD ' -I '^# Generated at ' ${TARGET} ${SOURCE} 2>/dev/null
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| 233 | if [ $? -ne 0 ]; then
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| 234 | mkdir -p `dirname ${TARGET}` || exit 1
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| 235 | cp ${SOURCE} ${TARGET} || exit 1
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| 236 | return $?
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| 237 | fi
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| 238 | return 1
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| 239 | }
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| 240 |
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| 241 | # Main function
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| 242 | main() {
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| 243 | TMPDIR=`mktemp -d -t $(basename $0)`
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| 244 | # Clear out tempdir when done
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| 245 | if [ ${OPT_MOUNT} -eq 1 ]; then
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| 246 | trap "rm -Rf ${TMPDIR}; umount /cfg; exit" 0 1 2 3 15
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| 247 | else
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| 248 | trap "rm -Rf ${TMPDIR}; exit" 0 1 2 3 15
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| 249 |
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| 250 | fi
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| 251 |
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| 252 | # Mount if requested
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| 253 | if [ ${OPT_MOUNT} -eq 1 ]; then
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| 254 | mount /cfg
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| 255 | fi
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| 256 |
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| 257 | # Select node from web-interface
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| 258 | if [ ${USE_API} -eq 1 ]; then
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| 259 | select_node
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| 260 | fi
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| 261 |
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| 262 | # Worker, place all files in required directory
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| 263 | for FILE in ${FILES}; do
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| 264 | if [ ${USE_API} -eq 1 ]; then
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| 265 | # Fetch needed file
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| 266 | FRESH_LOC=${TMPDIR}/${FILE}
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| 267 | fetch -q -o ${FRESH_LOC} ${BASEURL}/${CONFIG}/${FILE} || exit 1
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| 268 | fi
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| 269 |
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| 270 | # Needed file details, like locations and hints
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| 271 | file_details ${FILE}
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| 272 |
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| 273 | echo "# INFO: Working on file: '${FILE}'"
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| 274 | # Copy file boot location
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| 275 | if [ ${OPT_STARTUP} -eq 1 ]; then
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| 276 | copy_file ${FRESH_LOC} ${STARTUP_LOC}
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| 277 | fi
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| 278 |
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| 279 | # Copy file running location
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| 280 | if [ ${OPT_RUNNING} -eq 1 ]; then
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| 281 | copy_file ${FRESH_LOC} ${RUNNING_LOC}
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| 282 | if [ $? -eq 0 ]; then
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| 283 | echo "# INFO: '${FILE}' changed"
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| 284 | if [ -n "${POST_CMD}" ]; then
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| 285 | if $OPT_POSTCMD; then
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| 286 | echo "## Running post_cmd: $POST_CMD"
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| 287 | $POST_CMD
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| 288 | else
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| 289 | echo "## To activate run the post_cmd: $POST_CMD"
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| 290 | fi
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| 291 | fi
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| 292 | if [ -n "${FILE_HINT}" ]; then
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| 293 | echo "# INFO: ${FILE_HINT}"
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| 294 | echo ""
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| 295 | fi
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| 296 | fi
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| 297 | fi
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| 298 |
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| 299 | # Direct copy
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| 300 | if [ ${OPT_HACK} -eq 1 ]; then
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| 301 | # No checking, just dumb try to copy mode
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| 302 | cp -v ${RUNNING_LOC} ${STARTUP_LOC}
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| 303 | fi
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| 304 | done
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| 305 |
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| 306 | exit 0
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| 307 | }
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| 308 |
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| 309 | parse_options $*
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| 310 | main
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