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crypt.awk: BitLocker support #130

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crypt.awk: BitLocker support #130

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22 changes: 18 additions & 4 deletions crypt.awk
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ NF>4 { print "a valid crypttab has max 4 cols not " NF >"/dev/stderr"; next }
commonopts="";
swapopts="";
luksopts="";
for(i in opts) {
for (i in opts) {
split(opts[i], para, "=");
par=para[1];
val=para[2];
Expand All @@ -51,6 +51,7 @@ NF>4 { print "a valid crypttab has max 4 cols not " NF >"/dev/stderr"; next }
#else if ( par == "timeout" )
#else if ( par == "tmp" )
else if ( par == "luks" ) use_luks="y";
else if ( par == "bitlk" ) use_bitlocker="y";
else if ( par == "keyscript" ) {use_keyscript="y"; keyscript=val;}
else if ( par == "keyslot" || par == "key-slot" ) luksopts=luksopts "-S " val " ";
else if ( par == "keyfile-size" ) luksopts=luksopts "-l " val " ";
Expand All @@ -64,23 +65,26 @@ NF>4 { print "a valid crypttab has max 4 cols not " NF >"/dev/stderr"; next }
print "option: " par " not supported " >"/dev/stderr";
makeswap="";
use_luks="";
use_bitlocker="";
use_keyscript="";
next;
}
}
if ( makeswap == "y" && use_luks != "y" ) {
if ( makeswap == "y" && use_luks != "y" && use_bitlocker != "y" ) {
ccmd="cryptsetup " swapopts commonopts "-d " key " create " dest " " src;
ccmd_2="mkswap /dev/mapper/" dest;
makeswap="";
use_luks="";
use_bitlocker="";
use_keyscript="";
system(ccmd);
system(ccmd_2);
ccmd="";
ccmd_2="";
next;
}
if ( use_luks == "y" && makeswap != "y" ){

if ( use_luks == "y" && makeswap != "y" && use_bitlocker != "y" ) {
if ( use_keyscript == "y") {
ccmd=keyscript " | cryptsetup " luksopts commonopts "luksOpen -d - " src " " dest;
use_keyscript="";
Expand All @@ -94,12 +98,22 @@ NF>4 { print "a valid crypttab has max 4 cols not " NF >"/dev/stderr"; next }
}
}
}
else if ( use_bitlocker == "y" && use_luks != "y" && makeswap != "y" ) {
if ( key == "none" ){
print "BitLocker requires a keyfile" >"/dev/stderr";
ccmd="";
}
else {
ccmd="cryptsetup " luksopts commonopts "-M bitlk open -d " key " " src " " dest;
}
}
else {
print "use swap OR luks as option" >"/dev/stderr";
print "use swap OR luks OR bitlk as option" >"/dev/stderr";
ccmd="";
}
makeswap="";
use_luks="";
use_bitlocker="";
use_keyscript="";
if ( ccmd != ""){
system(ccmd);
Expand Down