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fixes to _tmp_create and its usage

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This commit is contained in:
Jaromil 2014-11-14 18:42:11 +01:00
parent 3eff8aeebe
commit 98ab49315a
1 changed files with 23 additions and 20 deletions
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tomb
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@ -89,6 +89,7 @@ typeset -H TOMBKEY # Encrypted key contents (see forge_key(), recover
typeset -H TOMBKEYFILE # Key file (ditto)
typeset -H TOMBSECRET # Raw deciphered key (see forge_key(), gpg_decrypt())
typeset -H TOMBPASSWORD # Raw tomb passphrase (see gen_key(), ask_key_password())
typeset -H TOMBTMP # Filename of secure temp just created (see _tmp_create())
typeset -aH TOMBTMPFILES # Keep track of temporary files
typeset -aH TOMBLOOPDEVS # Keep track of used loop devices
@ -260,9 +261,9 @@ _plot() {
}
# Provide a random filename in shared memory
_tmp_create tmp_create() {
_tmp_create() {
local tfile="${TMPPREFIX}${RANDOM}" # Temporary file
tfile="${TMPPREFIX}${RANDOM}" # Temporary file
touch $tfile
[[ $? == 0 ]] || {
@ -273,12 +274,10 @@ _tmp_create tmp_create() {
_failure "Fatal error setting permissions on temporary file: ::1 temp file::" $tfile }
_verbose "Created tempfile: ::1 temp file::" $tfile
TOMBTMPFILES+=($tfile)
print - $tfile # Print it so it can be stored into a variable
TOMBTMP="$tfile"
TOMBTMPFILES+=("$tfile")
return 0
}
# Check if swap is activated
@ -504,16 +503,16 @@ lo_preserve() {
# eventually used for debugging
dump_secrets() {
_verbose "TOMBPATH: ::1 tomb path::" $TOMBPATH
_verbose "TOMBNAME: ::1 tomb name::" $TOMBNAME
print "TOMBPATH: $TOMBPATH"
print "TOMBNAME: $TOMBNAME"
_verbose "TOMBKEY: ::1 key:: chars long" ${#TOMBKEY}
_verbose "TOMBKEYFILE: ::1 key file::" $TOMBKEYFILE
_verbose "TOMBSECRET: ::1 secret:: chars long" ${#TOMBSECRET}
_verbose "TOMBPASSWORD: ::1 tomb pass::" $TOMBPASSWORD
print "TOMBKEY len: ${#TOMBKEY}"
print "TOMBKEYFILE: $TOMBKEYFILE"
print "TOMBSECRET len: ${#TOMBSECRET}"
print "TOMBPASSWORD: $TOMBPASSWORD"
_verbose "TOMBTMPFILES: ::1 temp files::" ${(@)TOMBTMPFILES}
_verbose "TOMBLOOPDEVS: ::1 loop devices::" ${(@)TOMBLOOPDEVS}
print "TOMBTMPFILES: ${(@)TOMBTMPFILES}"
print "TOMBLOOPDEVS: ${(@)TOMBLOOPDEVS}"
}
# }}}
@ -852,7 +851,8 @@ gpg_decrypt() {
} || { # using status-file in gpg != 1.4.11
# TODO: use mkfifo
local statusfile=$(_tmp_create)
_tmp_create
local statusfile=$TOMBTMP
TOMBSECRET=`print - "$gpgpass" | \
gpg --batch --passphrase-fd 0 --no-tty --no-options \
@ -970,7 +970,8 @@ change_passwd() {
_message "Commanded to change password for tomb key ::1 key::" $TOMBKEYFILE
tmpnewkey=$(_tmp_create)
_tmp_create
tmpnewkey=$TOMBTMP
if option_is_set --tomb-old-pwd; then
local tomboldpwd="`option_value --tomb-old-pwd`"
@ -1539,7 +1540,7 @@ change_tomb_key() {
# we have everything, prepare to mount
_success "Changing lock on tomb ::1 tomb name::" $TOMBNAME
_message "Old key: ::1 old key::" $oldkey
_message "Old key: ::1 old key::" $oldkeyfile
# render the mapper
mapdate=`date +%s`
@ -1580,7 +1581,8 @@ change_tomb_key() {
# Danger zone: due to cryptsetup limitations, in setkey we need
# to write the bare unencrypted key on the tmpfs.
local newsecretfile=$(_tmp_create)
_tmp_create
local newsecretfile=$TOMBTMP
print -n - "$new_secret" >> $newsecretfile
print -n - "$old_secret" | \
@ -1590,7 +1592,7 @@ change_tomb_key() {
cryptsetup luksClose "${mapper}" || _failure "Unexpected error in luksClose."
_success "Succesfully changed key for tomb: ::1 tomb file::" $TOMBFILE
_message "The new key is: ::1 new key::" $newkey
_message "The new key is: ::1 new key::" $TOMBKEYFILE
return 0
}
@ -2024,7 +2026,8 @@ index_tombs() {
# here we use swish to index file contents
[[ $SWISH == 1 ]] && {
_message "Indexing ::1 tomb name:: contents..." $tombname
local swishrc=$(_tmp_create)
_tmp_create
local swishrc=$TOMBTMP
cat <<EOF > $swishrc
# index directives