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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
#!/usr/bin/perl
#
# Create ejs interfaces for structures in a C header file
#
use File::Basename;
use Data::Dumper;
#
# Generate parse tree for header file
#
my $file = shift;
require smb_interfaces;
my $parser = new smb_interfaces;
$header = $parser->parse($file);
#
# Make second pass over tree to make it easier to process.
#
sub flatten_structs($) {
my $obj = shift;
my $s = { %$obj };
# Map NAME, STRUCT_NAME and UNION_NAME elements into a more likeable
# property.
if (defined($obj->{STRUCT_NAME}) or defined($obj->{UNION_NAME})) {
$s->{TYPE_DEFINED} = defined($obj->{STRUCT_NAME}) ? $obj->{STRUCT_NAME}
: $obj->{UNION_NAME};
delete $s->{STRUCT_NAME};
delete $s->{UNION_NAME};
}
# Create a new list of structure fields with flattened names
foreach my $elt (@{$obj->{DATA}}) {
foreach my $name (@{$elt->{NAME}}) {
my $new_elt = { %$elt };
$new_elt->{NAME} = $name;
$new_elt->{PARENT} = $s;
push(@{$s->{FIELDS}}, flatten_structs($new_elt));
}
}
delete $s->{DATA};
return $s;
}
@newheader = map { flatten_structs($_) } @{$header};
#
# Generate implementation
#
open(FILE, ">libcli/gen_raw/ejs_${basename}.c");
print FILE "/* EJS wrapper functions auto-generated by build_smb_interfaces.pl */\n\n";
print FILE "#include \"includes.h\"\n";
print FILE "#include \"lib/appweb/ejs/ejs.h\"\n";
print FILE "#include \"scripting/ejs/ejsrpc.h\"\n"; # TODO: remove this
print FILE "\n";
# Top level call functions
foreach my $s (@newheader) {
if ($s->{TYPE} eq "struct") {
# Top level struct
print FILE "static NTSTATUS ejs_$s->{TYPE_DEFINED}(int eid, int argc, struct MprVar **argv)\n";
print FILE "{\n";
print FILE "\treturn NT_STATUS_OK;\n";
print FILE "}\n\n";
} else {
# Top level union
foreach my $arm (@{$s->{FIELDS}}) {
print FILE "static NTSTATUS ejs_$s->{TYPE_DEFINED}_$arm->{NAME}(int eid, int argc, struct MprVar **argv)\n";
print FILE "{\n";
print FILE "\treturn NT_STATUS_OK;\n";
print FILE "}\n\n";
}
}
}
# Module initialisation
print FILE "static int ejs_${basename}_init(int eid, int argc, struct MprVar **argv)\n";
print FILE "{\n";
print FILE "\tstruct MprVar *obj = mprInitObject(eid, \"${basename}\", argc, argv);\n\n";
foreach my $s (@newheader) {
if ($s->{TYPE} eq "struct") {
print FILE "\tmprSetCFunction(obj, \"$s->{TYPE_DEFINED}\", ejs_$s->{TYPE_DEFINED});\n";
} else {
foreach my $arm (@{$s->{FIELDS}}) {
print FILE "\tmprSetCFunction(obj, \"$s->{TYPE_DEFINED}_$arm->{NAME}\", ejs_$s->{TYPE_DEFINED});\n";
}
}
}
print FILE "}\n\n";
print FILE "NTSTATUS ejs_init_${basename}(void)\n";
print FILE "{\n";
print FILE "\treturn smbcalls_register_ejs(\"${basename}_init\", ejs_${basename}_init);\n";
print FILE "}\n";
close(FILE);
exit;
foreach my $x (@{$header}) {
next, if $x->{STRUCT_NAME} eq "";
$raw_name = $x->{STRUCT_NAME};
$raw_name =~ s/smb_/smb_raw_/;
print FILE "static int ejs_$x->{STRUCT_NAME}(int eid, int argc, struct MprVar **argv)\n";
print FILE "{\n";
print FILE "\tstruct $x->{STRUCT_NAME} params;\n";
print FILE "\tstruct smbcli_tree *tree;\n";
print FILE "\tNTSTATUS result;\n\n";
$output = << "__HERE__";
if (argc != 1 || argv[0]->type != MPR_TYPE_OBJECT) {
ejsSetErrorMsg(eid, "invalid arguments");
return -1;
}
tree = mprGetThisPtr(eid, "tree");
if (!tree) {
ejsSetErrorMsg(eid, "invalid tree");
return -1;
}
__HERE__
print FILE $output;
print FILE "\tresult = $raw_name(tree, ¶ms);\n\n";
print FILE "\tmpr_Return(eid, mprNTSTATUS(status));\n";
print FILE "\tif (NT_STATUS_EQUAL(status, NT_STATUS_INTERNAL_ERROR)) {\n";
print FILE "\t\treturn -1;\n";
print FILE "\t}\n\n";
print FILE "\treturn 0;\n";
print FILE "}\n\n";
}
|
