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|
#!/bin/rc
# ipso - edit secstore files, reload factotum keys
if(! ~ $service terminal &&
! ~ $user `{ ls -ld /mnt/factotum/ctl | awk '{print $4}' }){
echo >[1=2] ipso should be run only on the terminal
exit terminal
}
rfork e
path=(/bin)
home=(/tmp)
editor = (acme -c1)
name = secstore
get = secstoreget
put = secstoreput
edit = no
load = no
flush = no
fn secstoreget{
auth/secstore -i -g $1 <_password
}
fn secstoreput{
auth/secstore -i -p $1 <_password
}
fn aesget{
if(! ~ $1 /*){
echo >[1=2] ipso: aescbc requires fully qualified pathname
exit usage
}
auth/aescbc -i -d < $1 > `{basename $1} <[3] _password
}
fn aesput{
auth/aescbc -i -e > $1 < `{basename $1} <[3] _password
}
fn editedfiles{
if(~ $get aesget){
for(i in $files)
if(ls -tr | sed '1,/^_timestamp$/d' | grep -s '^'^`{basename $i}^'$')
echo $i
}
if not
ls -tr | sed '1,/^_timestamp$/d'
}
edexp=`{grep '^editor=' /mnt/plumb/rules >[2]/dev/null}
if(~ $#edexp 1)
eval $edexp
while(~ $1 -*){
switch($1){
case -s
editor = sam
case -a
name = aescbc
get = aesget
put = aesput
case -f
flush = yes
case -e
edit = yes
case -l
load = yes
case *
echo >[2=1] 'usage: ipso [-a -f -e -l] [-s] [file ...]'
exit usage
}
shift
}
if(~ $flush no && ~ $edit no && ~ $load no){
load = yes
edit = yes
flush = yes
}
if(~ $flush yes && ~ $edit no && ~ $load no){
echo flushing old keys
echo delkey > /mnt/factotum/ctl
exit 0
}
if(~ $get aesget && ~ $#* 0){
echo >[2=1] ipso: must specify a fully qualified file name for aescbc '(-a)'
exit usage
}
rfork ne
ramfs -p >[2] /dev/null # silence 'i/o on hungup channel' message at exit
unmount /mnt/plumb
bind -c /tmp /srv
builtin cd /tmp
if ( ~ $edit yes ) echo '
Warning: The editor will display the secret contents of
your '$name' files in the clear.
'
# get password and remember it
{
echo rawon
echo -n $name password: >/dev/cons
read > _password
echo > /dev/cons
}</dev/cons > /dev/consctl
# get list of files
if(~ $#* 0){
if(! auth/secstore -G . -i < _password > _listing){
echo 'secstore read failed - bad password?'
sleep 2
exit password
}
files=`{sed 's/[ ]+.*//' _listing}
}
if not
files = $*
# copy the files to local ramfs
for(i in $files){
if(! $get $i){
echo $name ' read failed - bad password?'
sleep 2
exit password
}
}
sleep 2; date > _timestamp # so we can find which files have been edited.
# edit the files
if(~ $edit yes) $editor `{for(i in $files) basename $i}
if(~ $flush yes ){
echo flushing old keys
echo delkey > /mnt/factotum/ctl
}
if(~ $load yes){
echo loading factotum keys
if (~ factotum $files) read -m < factotum > /mnt/factotum/ctl
}
# copy the files back
for(i in `{editedfiles}){
echo -n copy ''''`{basename $i}^'''' back?' [y/n/x]'
switch(`{read}){
case [yY]*
if(! $put $i){
echo $name ' read failed - bad password?'
sleep 2
exit password
}
echo ''''$i'''' copied to $name
if(~ $i factotum)
read -m < $i > /mnt/factotum/ctl
case [xXqQ]*
exit
case [nN]* *
echo ''''$i'''' skipped
}
}
exit ''
|
