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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
###################################################
# Samba3 server generator for IDL structures
# on top of Samba4 style NDR functions
# Copyright jelmer@samba.org 2005-2006
# released under the GNU GPL
package Parse::Pidl::Samba3::ServerNDR;
use Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(DeclLevel);
use strict;
use Parse::Pidl qw(warning fatal);
use Parse::Pidl::Typelist qw(mapTypeName scalar_is_reference);
use Parse::Pidl::Util qw(ParseExpr has_property is_constant);
use Parse::Pidl::NDR qw(GetNextLevel);
use Parse::Pidl::Samba4 qw(ElementStars DeclLong);
use Parse::Pidl::Samba4::Header qw(GenerateFunctionOutEnv);
use vars qw($VERSION);
$VERSION = '0.01';
my $res;
my $res_hdr;
my $tabs = "";
sub indent() { $tabs.="\t"; }
sub deindent() { $tabs = substr($tabs, 1); }
sub pidl($) { my ($txt) = @_; $res .= $txt?$tabs.(shift)."\n":"\n"; }
sub pidl_hdr($) { $res_hdr .= (shift)."\n"; }
sub fn_declare($) { my ($n) = @_; pidl $n; pidl_hdr "$n;"; }
sub DeclLevel($$)
{
my ($e, $l) = @_;
my $res = "";
if (has_property($e, "charset")) {
$res .= "const char";
} else {
$res .= mapTypeName($e->{TYPE});
}
my $stars = ElementStars($e, $l);
$res .= " ".$stars unless ($stars eq "");
return $res;
}
sub AllocOutVar($$$$)
{
my ($e, $mem_ctx, $name, $env) = @_;
my $l = $e->{LEVELS}[0];
# we skip pointer to arrays
if ($l->{TYPE} eq "POINTER") {
my $nl = GetNextLevel($e, $l);
$l = $nl if ($nl->{TYPE} eq "ARRAY");
}
# we don't support multi-dimentional arrays yet
if ($l->{TYPE} eq "ARRAY") {
my $nl = GetNextLevel($e, $l);
if ($nl->{TYPE} eq "ARRAY") {
fatal($e->{ORIGINAL},"multi-dimentional [out] arrays are not supported!");
}
}
if ($l->{TYPE} eq "ARRAY") {
my $size = ParseExpr($l->{SIZE_IS}, $env, $e);
pidl "$name = talloc_zero_array($mem_ctx, " . DeclLevel($e, 1) . ", $size);";
} else {
pidl "$name = talloc_zero($mem_ctx, " . DeclLevel($e, 1) . ");";
}
pidl "if ($name == NULL) {";
pidl "\ttalloc_free($mem_ctx);";
pidl "\treturn false;";
pidl "}";
pidl "";
}
sub ParseFunction($$)
{
my ($if,$fn) = @_;
my $op = "NDR_".uc($fn->{NAME});
pidl "static bool api_$fn->{NAME}(pipes_struct *p)";
pidl "{";
indent;
pidl "const struct ndr_interface_call *call;";
pidl "struct ndr_pull *pull;";
pidl "struct ndr_push *push;";
pidl "enum ndr_err_code ndr_err;";
pidl "DATA_BLOB blob;";
pidl "struct $fn->{NAME} *r;";
pidl "";
pidl "call = &ndr_table_$if->{NAME}.calls[$op];";
pidl "";
pidl "r = talloc(talloc_tos(), struct $fn->{NAME});";
pidl "if (r == NULL) {";
pidl "\treturn false;";
pidl "}";
pidl "";
pidl "if (!prs_data_blob(&p->in_data.data, &blob, r)) {";
pidl "\ttalloc_free(r);";
pidl "\treturn false;";
pidl "}";
pidl "";
pidl "pull = ndr_pull_init_blob(&blob, r);";
pidl "if (pull == NULL) {";
pidl "\ttalloc_free(r);";
pidl "\treturn false;";
pidl "}";
pidl "";
pidl "pull->flags |= LIBNDR_FLAG_REF_ALLOC;";
pidl "ndr_err = call->ndr_pull(pull, NDR_IN, r);";
pidl "if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {";
pidl "\ttalloc_free(r);";
pidl "\treturn false;";
pidl "}";
pidl "";
pidl "if (DEBUGLEVEL >= 10) {";
pidl "\tNDR_PRINT_IN_DEBUG($fn->{NAME}, r);";
pidl "}";
pidl "";
my $env = GenerateFunctionOutEnv($fn);
my $hasout = 0;
foreach (@{$fn->{ELEMENTS}}) {
if (grep(/out/, @{$_->{DIRECTION}})) { $hasout = 1; }
}
pidl "ZERO_STRUCT(r->out);" if ($hasout);
my $proto = "_$fn->{NAME}(pipes_struct *p, struct $fn->{NAME} *r";
my $ret = "_$fn->{NAME}(p, r";
foreach (@{$fn->{ELEMENTS}}) {
my @dir = @{$_->{DIRECTION}};
if (grep(/in/, @dir) and grep(/out/, @dir)) {
pidl "r->out.$_->{NAME} = r->in.$_->{NAME};";
} elsif (grep(/out/, @dir) and not
has_property($_, "represent_as")) {
AllocOutVar($_, "r", "r->out.$_->{NAME}", $env);
}
}
$ret .= ")";
$proto .= ");";
if ($fn->{RETURN_TYPE}) {
$ret = "r->out.result = $ret";
$proto = "$fn->{RETURN_TYPE} $proto";
} else {
$proto = "void $proto";
}
pidl_hdr "$proto";
pidl "$ret;";
pidl "";
pidl "if (p->rng_fault_state) {";
pidl "\ttalloc_free(r);";
pidl "\t/* Return true here, srv_pipe_hnd.c will take care */";
pidl "\treturn true;";
pidl "}";
pidl "";
pidl "if (DEBUGLEVEL >= 10) {";
pidl "\tNDR_PRINT_OUT_DEBUG($fn->{NAME}, r);";
pidl "}";
pidl "";
pidl "push = ndr_push_init_ctx(r);";
pidl "if (push == NULL) {";
pidl "\ttalloc_free(r);";
pidl "\treturn false;";
pidl "}";
pidl "";
pidl "ndr_err = call->ndr_push(push, NDR_OUT, r);";
pidl "if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {";
pidl "\ttalloc_free(r);";
pidl "\treturn false;";
pidl "}";
pidl "";
pidl "blob = ndr_push_blob(push);";
pidl "if (!prs_copy_data_in(&p->out_data.rdata, (const char *)blob.data, (uint32_t)blob.length)) {";
pidl "\ttalloc_free(r);";
pidl "\treturn false;";
pidl "}";
pidl "";
pidl "talloc_free(r);";
pidl "";
pidl "return true;";
deindent;
pidl "}";
pidl "";
}
sub ParseInterface($)
{
my $if = shift;
my $uif = uc($if->{NAME});
pidl_hdr "#ifndef __SRV_$uif\__";
pidl_hdr "#define __SRV_$uif\__";
ParseFunction($if, $_) foreach (@{$if->{FUNCTIONS}});
pidl "";
pidl "/* Tables */";
pidl "static struct api_struct api_$if->{NAME}_cmds[] = ";
pidl "{";
indent;
foreach (@{$if->{FUNCTIONS}}) {
pidl "{\"" . uc($_->{NAME}) . "\", NDR_" . uc($_->{NAME}) . ", api_$_->{NAME}},";
}
deindent;
pidl "};";
pidl "";
pidl_hdr "void $if->{NAME}_get_pipe_fns(struct api_struct **fns, int *n_fns);";
pidl "void $if->{NAME}_get_pipe_fns(struct api_struct **fns, int *n_fns)";
pidl "{";
indent;
pidl "*fns = api_$if->{NAME}_cmds;";
pidl "*n_fns = sizeof(api_$if->{NAME}_cmds) / sizeof(struct api_struct);";
deindent;
pidl "}";
pidl "";
pidl_hdr "NTSTATUS rpc_$if->{NAME}_init(void);";
pidl "NTSTATUS rpc_$if->{NAME}_init(void)";
pidl "{";
pidl "\treturn rpc_pipe_register_commands(SMB_RPC_INTERFACE_VERSION, \"$if->{NAME}\", \"$if->{NAME}\", \&ndr_table_$if->{NAME}.syntax_id, api_$if->{NAME}_cmds, sizeof(api_$if->{NAME}_cmds) / sizeof(struct api_struct));";
pidl "}";
pidl_hdr "#endif /* __SRV_$uif\__ */";
}
sub Parse($$$)
{
my($ndr,$header,$ndr_header) = @_;
$res = "";
$res_hdr = "";
pidl "/*";
pidl " * Unix SMB/CIFS implementation.";
pidl " * server auto-generated by pidl. DO NOT MODIFY!";
pidl " */";
pidl "";
pidl "#include \"includes.h\"";
pidl "#include \"$header\"";
pidl_hdr "#include \"$ndr_header\"";
pidl "";
foreach (@$ndr) {
ParseInterface($_) if ($_->{TYPE} eq "INTERFACE");
}
return ($res, $res_hdr);
}
1;
|
