Llewellyn/Tomb
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use getent with wrappers every /etc/passwd query

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Jaromil 2019-08-22 17:07:12 +02:00
parent 01f5412fc5
commit 382070481f
1 changed files with 8 additions and 9 deletions
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17
tomb
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@ -245,7 +245,7 @@ _whoami() {
# } # }
# Force HOME to _USER's HOME if necessary # Force HOME to _USER's HOME if necessary
local home=$(awk -F: "/^$_USER:/ { print \$6 }" /etc/passwd 2>/dev/null) local home=`_get_home $_USER`
[[ $home == $HOME ]] || { [[ $home == $HOME ]] || {
_verbose "Updating HOME to match user's: ::1 home:: (was ::2 HOME::)" \ _verbose "Updating HOME to match user's: ::1 home:: (was ::2 HOME::)" \
$home $HOME $home $HOME
@ -1004,6 +1004,9 @@ _gpg_uid() {
gpg --with-colons --list-key "$1" | gpg --with-colons --list-key "$1" |
awk 'BEGIN { FS=":" } /^uid/ { print $10; exit}' } awk 'BEGIN { FS=":" } /^uid/ { print $10; exit}' }
# helpers to retrieve data from passwd using getent
_get_username() { print ${"$(getent passwd ${1})"[(ws@:@)1]} }
_get_home() { print ${"$(getent passwd ${1})"[(ws@:@)6]} }
# $1 is the encrypted key contents we are checking # $1 is the encrypted key contents we are checking
is_valid_key() { is_valid_key() {
@ -2336,8 +2339,7 @@ mount_tomb() {
tomblast=$(_cat ${tombmount}/.last) tomblast=$(_cat ${tombmount}/.last)
tombuid=$(_cat ${tombmount}/.uid | tr -d ' ') tombuid=$(_cat ${tombmount}/.uid | tr -d ' ')
tombuser=$(getent passwd $tombuid) tombuser=`_get_username $tombuid`
tombuser=${tombuser[(ws@:@)1]}
_message "Last visit by ::1 user::(::2 tomb build::) from ::3 tty:: on ::4 host::" $tombuser $tombuid $tombtty $tombhost _message "Last visit by ::1 user::(::2 tomb build::) from ::3 tty:: on ::4 host::" $tombuser $tombuid $tombtty $tombhost
_message "on date ::1 date::" $tombsince _message "on date ::1 date::" $tombsince
@ -2511,8 +2513,7 @@ awk "/mapper/"' { print $2 ";" $3 ";" $4 ";" $5 }'`
tombhost=$(_cat ${tombmount}/.host) tombhost=$(_cat ${tombmount}/.host)
tombuid=$(_cat ${tombmount}/.uid | tr -d ' ') tombuid=$(_cat ${tombmount}/.uid | tr -d ' ')
tombuser=$(getent passwd $tombuid) tombuser=`_get_username $tombuid`
tombuser=${tombuser[(ws@:@)1]}
} }
{ option_is_set --get-mountpoint } && { print $tombmount; continue } { option_is_set --get-mountpoint } && { print $tombmount; continue }
@ -3006,8 +3007,7 @@ list_processes() {
_verbose "process found: $pnum" _verbose "process found: $pnum"
puid=$(_cat /proc/${pnum}/loginuid) puid=$(_cat /proc/${pnum}/loginuid)
pcmd=$(_cat /proc/${pnum}/cmdline) pcmd=$(_cat /proc/${pnum}/cmdline)
powner=$(getent passwd $puid) powner=`_get_username $puid`
powner=${powner[(ws@:@)1]}
_verbose "process found: $pnum $pcmd ($powner)" _verbose "process found: $pnum $pcmd ($powner)"
_message "::1 tombname:: ::2 cmd:: (::3 owner::)" \ _message "::1 tombname:: ::2 cmd:: (::3 owner::)" \
$tombname $pcmd $powner $tombname $pcmd $powner
@ -3048,8 +3048,7 @@ slam_tomb() {
for pnum in ${(f)"$(_sudo lsof -t +D $tombmount)"}; do for pnum in ${(f)"$(_sudo lsof -t +D $tombmount)"}; do
puid=$(_cat /proc/${pnum}/loginuid) puid=$(_cat /proc/${pnum}/loginuid)
pcmd=$(_cat /proc/${pnum}/cmdline) pcmd=$(_cat /proc/${pnum}/cmdline)
powner=$(getent passwd $puid) powner=`_get_username $puid`
powner=${powner[(ws@:@)1]}
_verbose "process found: $pnum $pcmd ($powner)" _verbose "process found: $pnum $pcmd ($powner)"
# iterate through 3 different signals to send, break on success # iterate through 3 different signals to send, break on success
for s in TERM HUP KILL; do for s in TERM HUP KILL; do