| #!/bin/sh |
| . /etc/utils.sh |
| |
| # Prints the ethernet MAC address of eth0. |
| get_mac_addr() |
| { |
| ip link show eth0 | ( |
| read junk |
| read words macaddr junk |
| echo $macaddr |
| ) |
| } |
| |
| |
| # Prints the first word of the first line on stdin |
| firstword() |
| { |
| read word junk |
| echo "$word" |
| } |
| |
| |
| # Given an ssid format string in $1, replace a %d or %s in the format string |
| # with a number between 1 and 5, based on a number generated from the |
| # machine's ethernet MAC address. If no %-substitution exists in the |
| # string, returns the string unmodified. |
| render_ssid() |
| { |
| local ssid="$1" |
| local macaddr=$(get_mac_addr) |
| local macsha="$(echo $macaddr | sha1sum | firstword)" |
| local last_4_digits=0x${macsha#????????????????????????????????????} |
| local ssid="$(printf "$ssid" $(($last_4_digits % 5 + 1)))" |
| echo "$ssid" |
| } |
| |
| |
| # Returns true if the machine is a fat bruno (ie. has storage) |
| is_fat() |
| { |
| [ -e $(find_sata_blkdev) ] && grep GFMS /tmp/platform >/dev/null |
| } |
| |
| |
| if [ -n "$1" ]; then |
| SSID=$1 |
| else |
| SSID=Gladis_%d |
| fi |
| SSID=$(render_ssid "$SSID") |
| |
| set -x |
| |
| if ! is_fat; then |
| brctl delif br0 eth2 |
| wl radio on |
| wl down |
| wl ap 0 |
| wl band auto |
| wl up |
| wl scan |
| sleep 3 |
| wl scanresults |
| wl join "$SSID" |
| sleep 1 |
| wl status |
| dhclient eth2 |
| fi |
| |
| exit 0 |
