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implement WmRmtdir;
include "sys.m";
sys: Sys;
include "draw.m";
draw: Draw;
include "tk.m";
tk: Tk;
Toplevel: import tk;
include "tkclient.m";
tkclient: Tkclient;
include "keyring.m";
include "security.m";
t: ref Toplevel;
WmRmtdir: module
{
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
Wm: module
{
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
rmt_config := array[] of {
"frame .f",
"label .f.l -text Address:",
"entry .f.e",
"pack .f.l .f.e -side left",
"label .status -text {Enter net!machine ...} -anchor w",
"pack .Wm_t .status .f -fill x",
"bind .f.e <Key-\n> {send cmd dial}",
"frame .b",
"radiobutton .b.none -variable alg -value none -anchor w -text '"+
"Authentication without SSL",
"radiobutton .b.clear -variable alg -value clear -anchor w -text '"+
"Authentication with SSL clear",
"radiobutton .b.sha -variable alg -value sha -anchor w -text '"+
"Authentication with SHA hash",
"radiobutton .b.md5 -variable alg -value md5 -anchor w -text '"+
"Authentication with MD5 hash",
"radiobutton .b.rc4 -variable alg -value rc4 -anchor w -text '"+
"Authentication with RC4 encryption",
"radiobutton .b.sharc4 -variable alg -value sha/rc4 -anchor w -text '"+
"Authentication with SHA and RC4",
"radiobutton .b.md5rc4 -variable alg -value md5/rc4 -anchor w -text '"+
"Authentication with MD5 and RC4",
"pack .b.none .b.clear .b.sha .b.md5 .b.rc4 .b.sharc4 .b.md5rc4 -fill x",
"pack .b -fill x",
".b.none invoke",
"update",
};
init(ctxt: ref Draw->Context, nil: list of string)
{
menubut : chan of string;
sys = load Sys Sys->PATH;
if (ctxt == nil) {
sys->fprint(sys->fildes(2), "rmtdir: no window context\n");
raise "fail:bad context";
}
draw = load Draw Draw->PATH;
tk = load Tk Tk->PATH;
tkclient= load Tkclient Tkclient->PATH;
tkclient->init();
(t, menubut) = tkclient->toplevel(ctxt, "", sysname()+": Remote Connection", 0);
cmd := chan of string;
tk->namechan(t, cmd, "cmd");
for (i:=0; i<len rmt_config; i++)
tk->cmd(t, rmt_config[i]);
tkclient->onscreen(t, nil);
tkclient->startinput(t, "kbd"::"ptr"::nil);
for(;;) alt {
s := <-t.ctxt.kbd =>
tk->keyboard(t, s);
s := <-t.ctxt.ptr =>
tk->pointer(t, *s);
s := <-t.ctxt.ctl or
s = <-t.wreq or
s = <-menubut =>
tkclient->wmctl(t, s);
<-cmd =>
addr := tk->cmd(t, ".f.e get");
status("Dialing");
(ok, c) := sys->dial(netmkaddr(addr, "tcp", "styx"), nil);
if(ok < 0) {
tk->cmd(t, ".status configure -text {Failed: "+
sys->sprint("%r")+"}; update");
break;
}
status("Authenticate");
alg := tk->cmd(t, "variable alg");
kr := load Keyring Keyring->PATH;
if(kr == nil){
tk->cmd(t, ".status configure -text {Error: can't load module Keyring "+
sys->sprint("%r")+"}; update");
break;
}
user := user();
kd := "/usr/" + user + "/keyring/";
cert := kd + netmkaddr(addr, "tcp", "");
(ok, nil) = sys->stat(cert);
if(ok < 0)
cert = kd + "default";
ai := kr->readauthinfo(cert);
if(ai == nil){
tk->cmd(t, ".status configure -text {Error: certificate for "+
sys->sprint("%s",addr)+" not found}; update");
wmgetauthinfo := load Wm "/dis/wm/wmgetauthinfo.dis";
if(wmgetauthinfo == nil){
tk->cmd(t, ".status configure -text {Error: can't load module wmgetauthinfo.dis}; update");
exit;
}
spawn wmgetauthinfo->init(ctxt, nil);
break;
}
au := load Auth Auth->PATH;
if(au == nil){
tk->cmd(t, ".status configure -text {Error: can't load module Auth "+
sys->sprint("%r")+"; update");
break;
}
err := au->init();
if(err != nil){
tk->cmd(t, ".status configure -text {Error: "+
sys->sprint("%s", err)+"; update");
break;
}
fd: ref Sys->FD;
(fd, err) = au->client(alg, ai, c.dfd);
if(fd == nil){
tk->cmd(t, ".status configure -text {Error: authentication failed: "+
sys->sprint("%s",err)+"; update");
break;
}
status("Mount");
sys->pctl(sys->FORKNS, nil); # don't fork before authentication
n := sys->mount(fd, nil, "/n/remote", sys->MREPL, "");
if(n < 0) {
tk->cmd(t, ".status configure -text {Mount failed: "+
sys->sprint("%r")+"}; update");
break;
}
wmdir := load Wm "/dis/wm/dir.dis";
spawn wmdir->init(ctxt, "wm/dir" :: "/n/remote" :: nil);
return;
}
}
status(s: string)
{
tk->cmd(t, ".status configure -text {"+s+"}; update");
}
sysname(): string
{
fd := sys->open("#c/sysname", sys->OREAD);
if(fd == nil)
return "Anon";
buf := array[128] of byte;
n := sys->read(fd, buf, len buf);
if(n < 0)
return "Anon";
return string buf[0:n];
}
user(): string
{
sys = load Sys Sys->PATH;
fd := sys->open("/dev/user", sys->OREAD);
if(fd == nil)
return "";
buf := array[128] of byte;
n := sys->read(fd, buf, len buf);
if(n < 0)
return "";
return string buf[0:n];
}
netmkaddr(addr, net, svc: string): string
{
if(net == nil)
net = "net";
(n, l) := sys->tokenize(addr, "!");
if(n <= 1){
if(svc== nil)
return sys->sprint("%s!%s", net, addr);
return sys->sprint("%s!%s!%s", net, addr, svc);
}
if(svc == nil || n > 2)
return addr;
return sys->sprint("%s!%s", addr, svc);
}
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