/usr/lib/scsi/generic is in scsitools 0.12-2.2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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button .buttons.quit -text Quit \
-activeforeground white -activebackground red -command exit
button .buttons.apply -text "Try Changes" -activebackground yellow -command {
write_page $argv "-X"
# Reread values.. Thus see what the device actually did (and erase signs and leading 0's
# that Joe Blow user entered)
read_page $argv "-X"
}
frame .buttons1
button .buttons1.default -text "Read Defaults" -activebackground green -command {
read_page $argv "-M"
}
button .buttons1.saved -text "Read Saved" -activebackground green -command {
read_page $argv "-S"
}
button .buttons1.current -text "Read Current" -activebackground green -command {
read_page $argv "-X"
}
pack .buttons.apply .buttons.quit -side left -padx 10 -pady 3
pack .buttons1.default .buttons1.saved .buttons1.current -side left -padx 10 -pady 3
pack .buttons .buttons1
frame .space1
pack .space1 -pady 10
proc generate_textboxes { } {
global text_list
global text_descriptions
global label_width
global text_width
set lineno 0
foreach x $text_list {
frame .$x
label .$x.label -text [lindex $text_descriptions $lineno] -width $label_width -anchor w
text .$x.text -width $text_width -height 1 \
-relief sunken -borderwidth 2
pack .$x.label .$x.text -side left
set lineno [expr $lineno+1]
}
}
proc read_page { device option } {
global button_list
global text_list
global switch
set line {}
exec /sbin/scsiinfo -X $switch $option $device > /var/run/cachepage 2> /dev/null
if {[catch {set file [open /var/run/cachepage r]}] == 1} return;
gets $file line
close $file
exec rm /var/run/cachepage
set first [lindex $line 0]
set second [lindex $line 1]
set lineno 0
foreach x $button_list {
.$x deselect
if { [ string compare [lindex $line $lineno] "0" ] != 0} then { .$x select }
set lineno [expr $lineno+1]
}
foreach x $text_list {
.$x.text delete 1.0 end
.$x.text insert end [lindex $line $lineno]
set lineno [expr $lineno+1]
}
}
proc read_modifiable { device } {
global button_list
global text_list
global switch
set line {}
exec /sbin/scsiinfo -X -m $switch $device > /var/run/cachepage
if {[catch {set file [open /var/run/cachepage r]}] == 1} return;
gets $file line
close $file
exec rm /var/run/cachepage
set lineno 0
foreach x $button_list {
if { [ string compare [lindex $line $lineno] "0" ] == 0} then { .$x configure -state disabled }
set lineno [expr $lineno+1]
}
foreach x $text_list {
if { [ string compare [lindex $line $lineno] "0" ] == 0} \
then { .$x.text configure -state disabled } \
else { .$x.text configure -background white }
set lineno [expr $lineno+1]
}
}
proc write_page { device option } {
global button_list
global text_list
global switch
set lineno 0
set r3 [concat -X $switch -R $device]
foreach x $button_list {
global $x
set r1 [eval set $x]
if { $r1 == 1 } then { set r3 [concat $r3 1] } \
else { set r3 [concat $r3 0] }
set lineno [expr $lineno+1]
}
foreach x $text_list {
set r3 [concat $r3 [.$x.text get 1.0 end]]
set lineno [expr $lineno+1]
}
set file [open /var/run/wrscsi w]
puts $file "/sbin/scsiinfo $r3"
close $file
exec sh < /var/run/wrscsi
exec rm /var/run/wrscsi
}
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