ref: 6d69f6fba35087686f79adb2ea0d67944a62ca7b
dir: /appl/wm/getauthinfo.b/
implement WmGetauthinfo;
include "sys.m";
sys: Sys;
include "security.m";
login: Login;
include "draw.m";
draw: Draw;
include "tk.m";
tk: Tk;
include "tkclient.m";
tkclient: Tkclient;
include "dialog.m";
dialog: Dialog;
include "keyring.m";
kr: Keyring;
include "string.m";
include "sh.m";
#
# Tk version of getauthinfo command
#
WmGetauthinfo: module
{
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
Wm: module
{
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
cfg := array[] of {
"frame .all -borderwidth 2 -relief raised",
"frame .u",
"label .u.l -text {User } -anchor w",
"entry .u.e",
"pack .u.l .u.e -side left -in .u -expand 1",
"bind .u.e <Key-\n> {send cmd u}",
"focus .u.e",
"frame .p",
"label .p.l -text {Password} -anchor w",
"entry .p.e -show *",
"pack .p.l .p.e -side left -in .p -expand 1",
"bind .p.e <Key-\n> {send cmd p}",
"frame .s",
"label .s.l -text {Signer } -anchor w",
"entry .s.e",
"pack .s.l .s.e -side left -in .s -expand 1",
"bind .s.e <Key-\n> {send cmd s}",
"frame .f",
"label .f.l -text {Save key} -anchor w",
"entry .f.e",
"pack .f.l .f.e -side left -in .f -expand 1",
"bind .f.e <Key-\n> {send cmd f}",
"frame .b",
"radiobutton .b.p -variable save -value p -anchor w -text '" + "Permanent",
"radiobutton .b.t -variable save -value t -anchor w -text '" + "Temporary",
"pack .b.p .b.t -side right -in .b -expand 1",
".b.p invoke",
"pack .u .p .s .f .b -in .all",
"pack .Wm_t .all -fill x -expand 1",
"update"
};
about : con "Generate keys and\n" +
"request certificate for\n" +
"mounting remote server";
init(ctxt: ref Draw->Context, nil: list of string)
{
sys = load Sys Sys->PATH;
if (ctxt == nil) {
sys->fprint(sys->fildes(2), "getauthinfo: no window context\n");
raise "fail:bad context";
}
kr = load Keyring Keyring->PATH;
str := load String String->PATH;
draw = load Draw Draw->PATH;
tk = load Tk Tk->PATH;
tkclient = load Tkclient Tkclient->PATH;
dialog = load Dialog Dialog->PATH;
tkclient->init();
dialog->init();
(top, wmctl) := tkclient->toplevel(ctxt, "",
"Obtain Certificate for Server", Tkclient->Help);
for (c:=0; c<len cfg; c++)
tk->cmd(top, cfg[c]);
cmd := chan of string;
tk->namechan(top, cmd, "cmd");
login = load Login Login->PATH;
if(login == nil){
dialog->prompt(ctxt, top.image, "error -fg red", "Error",
"Cannot load " + Login->PATH, 0, "Exit"::nil);
exit;
}
# start interactive
usr := user();
passwd := "";
signer := defaultsigner();
dir:= "";
file := "net!";
path := "";
tk->cmd(top, ".u.e insert end '" + usr);
tk->cmd(top, ".s.e insert end '" + signer);
tk->cmd(top, "update");
tkclient->onscreen(top, nil);
tkclient->startinput(top, "kbd"::"ptr"::nil);
info : ref Keyring->Authinfo;
for(;;){
alt {
s := <-top.ctxt.kbd =>
tk->keyboard(top, s);
s := <-top.ctxt.ptr =>
tk->pointer(top, *s);
s := <-top.ctxt.ctl or
s = <-top.wreq =>
tkclient->wmctl(top, s);
menu := <-wmctl =>
case menu {
"exit" =>
exit;
"help" =>
dialog->prompt(ctxt, top.image, "info -fg green", "About",
about, 0, "OK"::nil);
}
tkclient->wmctl(top, menu);
rdy := <-cmd =>
case (rdy[0]) {
'u' =>
usr = tk->cmd(top, ".u.e get");
if(usr == "")
tk->cmd(top, "focus .u.e; update");
else {
dir = "/usr/" + usr + "/keyring/";
path = dir + file;
tk->cmd(top, ".f.e delete 0 end");
tk->cmd(top, ".f.e insert end '" + path);
tk->cmd(top, "focus .p.e; update");
}
continue;
'p' =>
passwd = tk->cmd(top, ".p.e get");
if(passwd == "")
tk->cmd(top, "focus .p.e; update");
else
tk->cmd(top, "focus .s.e; update");
continue;
's' =>
signer = tk->cmd(top, ".s.e get");
if(signer == "")
tk->cmd(top, "focus .s.e");
else {
file = "net!" + signer;
path = dir + file;
tk->cmd(top, ".f.e delete 0 end");
tk->cmd(top, ".f.e insert end " + path);
tk->cmd(top, "focus .f.e; update");
}
continue;
'f' =>
path = tk->cmd(top, ".f.e get");
if(path == "") {
tk->cmd(top, "focus .f.e; update");
continue;
}
# start encrypt key exchange
addr := "net!"+signer+"!inflogin";
tk->cmd(top, "cursor -bitmap cursor.wait");
err: string;
(err, info) = login->login(usr, passwd, addr);
tk->cmd(top, "cursor -default");
if(info == nil){
dialog->prompt(ctxt, top.image, "warning -fg yellow", "Warning",
err, 0, "Continue"::nil);
tk->cmd(top, ".p.e delete 0 end");
tk->cmd(top, "focus .p.e");
continue;
}
# save the info for later access
save := tk->cmd(top, "variable save");
(dir, file) = str->splitr(path, "/");
if(save[0] == 't')
spawn save2file(dir, file);
tk->cmd(top, "cursor -default");
if(kr->writeauthinfo(path, info) < 0){
dialog->prompt(ctxt, top.image, "error -fg red", "Error",
"Can't write to " + path, 0, "Exit"::nil);
exit;
}
if(save[0] == 'p')
dialog->prompt(ctxt, top.image, "info -fg green", "Notice",
"Authentication information is\nsaved in file:\n"
+ path, 0, "OK"::nil);
else
dialog->prompt(ctxt, top.image, "info -fg green", "Notice",
"Authentication information is\nheld in a temporary file:\n"
+ path, 0, "OK"::nil);
return;
}
}
}
}
user(): string
{
sys = load Sys Sys->PATH;
fd := sys->open("/dev/user", sys->OREAD);
if(fd == nil)
return "";
buf := array[Sys->NAMEMAX] of byte;
n := sys->read(fd, buf, len buf);
if(n < 0)
return "";
return string buf[0:n];
}
save2file(dir, file: string)
{
if(sys->bind("#s", dir, Sys->MBEFORE) < 0)
exit;
fileio := sys->file2chan(dir, file);
if(fileio != nil)
exit;
sys->pctl(Sys->NEWPGRP, nil);
infodata := array[0] of byte;
for(;;) alt {
(off, nbytes, fid, rc) := <-fileio.read =>
if(rc == nil)
break;
if(off > big len infodata){
rc <-= (infodata[int off:int off], nil); # TODO potential bug truncating big to int
} else {
if(off + big nbytes > big len infodata)
nbytes = len infodata - int off; # TODO potential bug truncating big to int
rc <-= (infodata[int off:int off+nbytes], nil); # TODO potential bug truncating big to int
}
(off, data, fid, wc) := <-fileio.write =>
if(wc == nil)
break;
if(off != big len infodata){
wc <-= (0, "cannot be rewritten");
} else {
nid := array[len infodata+len data] of byte;
nid[0:] = infodata;
nid[len infodata:] = data;
infodata = nid;
wc <-= (len data, nil);
}
data = nil;
}
}
# get default signer server name
defaultsigner(): string
{
return "$SIGNER";
}