git/git-gui/lib/sshkey.tcl

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Tcl
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# git-gui about git-gui dialog
# Copyright (C) 2006, 2007 Shawn Pearce
proc find_ssh_key {} {
foreach name {
~/.ssh/id_dsa.pub ~/.ssh/id_ecdsa.pub ~/.ssh/id_ed25519.pub
~/.ssh/id_rsa.pub ~/.ssh/identity.pub
} {
if {[file exists $name]} {
set fh [open $name r]
set cont [read $fh]
close $fh
return [list $name $cont]
}
}
return {}
}
proc do_ssh_key {} {
global sshkey_title have_tk85 sshkey_fd use_ttk NS
set w .sshkey_dialog
if {[winfo exists $w]} {
raise $w
return
}
Dialog $w
wm transient $w .
set finfo [find_ssh_key]
if {$finfo eq {}} {
set sshkey_title [mc "No keys found."]
set gen_state normal
} else {
set sshkey_title [mc "Found a public key in: %s" [lindex $finfo 0]]
set gen_state disabled
}
${NS}::frame $w.header
${NS}::label $w.header.lbl -textvariable sshkey_title -anchor w
${NS}::button $w.header.gen -text [mc "Generate Key"] \
-command [list make_ssh_key $w] -state $gen_state
pack $w.header.lbl -side left -expand 1 -fill x
pack $w.header.gen -side right
pack $w.header -fill x -pady 5 -padx 5
text $w.contents -width 60 -height 10 -wrap char -relief sunken
pack $w.contents -fill both -expand 1
if {$have_tk85} {
set clr darkblue
if {$use_ttk} { set clr [ttk::style lookup . -selectbackground] }
$w.contents configure -inactiveselectbackground $clr
}
${NS}::frame $w.buttons
${NS}::button $w.buttons.close -text [mc Close] \
-default active -command [list destroy $w]
pack $w.buttons.close -side right
${NS}::button $w.buttons.copy -text [mc "Copy To Clipboard"] \
-command [list tk_textCopy $w.contents]
pack $w.buttons.copy -side left
pack $w.buttons -side bottom -fill x -pady 5 -padx 5
if {$finfo ne {}} {
$w.contents insert end [lindex $finfo 1] sel
}
$w.contents configure -state disabled
bind $w <Visibility> "grab $w; focus $w.buttons.close"
bind $w <Key-Escape> "destroy $w"
bind $w <Key-Return> "destroy $w"
bind $w <Destroy> kill_sshkey
wm title $w [mc "Your OpenSSH Public Key"]
tk::PlaceWindow $w widget .
tkwait window $w
}
proc make_ssh_key {w} {
global sshkey_title sshkey_output sshkey_fd
set sshkey_title [mc "Generating..."]
$w.header.gen configure -state disabled
set cmdline [list sh -c {echo | ssh-keygen -q -t rsa -f ~/.ssh/id_rsa 2>&1}]
if {[catch { set sshkey_fd [_open_stdout_stderr $cmdline] } err]} {
error_popup [mc "Could not start ssh-keygen:\n\n%s" $err]
return
}
set sshkey_output {}
fconfigure $sshkey_fd -blocking 0
fileevent $sshkey_fd readable [list read_sshkey_output $sshkey_fd $w]
}
proc kill_sshkey {} {
global sshkey_fd
if {![info exists sshkey_fd]} return
catch { kill_file_process $sshkey_fd }
catch { close $sshkey_fd }
}
proc read_sshkey_output {fd w} {
global sshkey_fd sshkey_output sshkey_title
set sshkey_output "$sshkey_output[read $fd]"
if {![eof $fd]} return
fconfigure $fd -blocking 1
unset sshkey_fd
$w.contents configure -state normal
if {[catch {close $fd} err]} {
set sshkey_title [mc "Generation failed."]
$w.contents insert end $err
$w.contents insert end "\n"
$w.contents insert end $sshkey_output
} else {
set finfo [find_ssh_key]
if {$finfo eq {}} {
set sshkey_title [mc "Generation succeeded, but no keys found."]
$w.contents insert end $sshkey_output
} else {
set sshkey_title [mc "Your key is in: %s" [lindex $finfo 0]]
$w.contents insert end [lindex $finfo 1] sel
}
}
$w.contents configure -state disable
}