1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
server side js functions for handling async calls from js clients
Copyright Andrew Tridgell 2005
released under the GNU GPL Version 2 or later
*/
libinclude("encoder.js");
/*
a remote printf, for displaying stuff on smbd stdout
*/
function __server_printf()
{
print(vsprintf(arguments));
return undefined;
}
/*
register a new call
*/
function __register_call(name, func)
{
var c = this;
c.calls[name] = func;
}
/*
run a call sent from the client, and output the returned object (if any)
*/
function __run_call() {
var c = this;
var name = form['func'];
if (name == undefined) {
println("no function name given in run_call");
return;
}
var args = form['args'];
if (args == undefined) {
println("no function arguments given in run_call");
return;
}
args = decodeObject(args);
if (c.calls[name] == undefined) {
println("undefined remote call " + name);
return;
}
var f = c.calls[name];
var res;
/* oh what a hack - should write a varargs ejs helper */
if (args.length == 0) {
res = f();
} else if (args.length == 1) {
res = f(args[0]);
} else if (args.length == 2) {
res = f(args[0], args[1]);
} else if (args.length == 3) {
res = f(args[0], args[1], args[2]);
} else if (args.length == 4) {
res = f(args[0], args[1], args[2], args[3]);
} else if (args.length == 5) {
res = f(args[0], args[1], args[2], args[3], args[4]);
} else if (args.length == 6) {
res = f(args[0], args[1], args[2], args[3], args[4], args[5]);
} else if (args.length == 7) {
res = f(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
} else if (args.length == 8) {
res = f(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7]);
} else {
println("too many arguments for remote call: " + name);
return;
}
var repobj = new Object();
repobj.res = res;
write(encodeObject(repobj));
}
/*
initialise a server call object
*/
function servCallObj()
{
var c = new Object();
c.add = __register_call;
c.run = __run_call;
c.calls = new Object();
/* add some basic calls */
c.add('printf', __server_printf);
return c;
}
|
