ref: e720631965b13539210b843af0af013db5858a17
dir: /chnvram/
#!/bin/rc # in Plan 9 passwords are encrypted via the key in nvram # if you change nvram key, your users cant login with passwords. # which is -- very bad. # but sometimes you've got to change nvram password, # here is a tool that preserves your users passwords; # while also changing your nvram. if(! ~ $1 -y){ echo 'this is a dangrous program; if you don''t know how to use it, maybe you should avoid using it.' >[1=2] exit usage } auth/keyfs mkdir -p /tmp/keys echo copying keys... for(i in /mnt/keys){ user=`{basename $i} for(i in /mnt/keys/*){ cat $i/secret > /tmp/keys/$user } } echo running auth/wrkey... auth/wrkey for(i in /tmp/keys/*){ user=`{basename $i} wm/chusr -p `{cat $i} $user } echo done