1 ###################################################
2 # Samba3 server generator for IDL structures
3 # on top of Samba4 style NDR functions
4 # Copyright jelmer@samba.org 2005-2006
5 # released under the GNU GPL
7 package Parse::Pidl::Samba3::ServerNDR;
11 @EXPORT_OK = qw(DeclLevel);
14 use Parse::Pidl qw(warning fatal);
15 use Parse::Pidl::Typelist qw(mapTypeName scalar_is_reference);
16 use Parse::Pidl::Util qw(ParseExpr has_property is_constant);
17 use Parse::Pidl::NDR qw(GetNextLevel);
18 use Parse::Pidl::Samba4 qw(ElementStars DeclLong);
19 use Parse::Pidl::Samba4::Header qw(GenerateFunctionOutEnv);
21 use vars qw($VERSION);
27 sub indent() { $tabs.="\t"; }
28 sub deindent() { $tabs = substr($tabs, 1); }
29 sub pidl($) { my ($txt) = @_; $res .= $txt?$tabs.(shift)."\n":"\n"; }
30 sub pidl_hdr($) { $res_hdr .= (shift)."\n"; }
31 sub fn_declare($) { my ($n) = @_; pidl $n; pidl_hdr "$n;"; }
38 if (has_property($e, "charset")) {
41 $res .= mapTypeName($e->{TYPE});
44 my $stars = ElementStars($e, $l);
46 $res .= " ".$stars unless ($stars eq "");
51 sub AllocOutVar($$$$$)
53 my ($e, $mem_ctx, $name, $env, $fail) = @_;
55 my $l = $e->{LEVELS}[0];
57 # we skip pointer to arrays
58 if ($l->{TYPE} eq "POINTER") {
59 my $nl = GetNextLevel($e, $l);
60 $l = $nl if ($nl->{TYPE} eq "ARRAY");
63 # we don't support multi-dimentional arrays yet
64 ($l->{TYPE} eq "ARRAY") {
65 my $nl = GetNextLevel($e, $l);
66 if ($nl->{TYPE} eq "ARRAY") {
67 fatal($e->{ORIGINAL},"multi-dimentional [out] arrays are not supported!");
70 # neither pointer nor array, no need to alloc something.
74 if ($l->{TYPE} eq "ARRAY") {
75 my $size = ParseExpr($l->{SIZE_IS}, $env, $e);
76 pidl "$name = talloc_zero_array($mem_ctx, " . DeclLevel($e, 1) . ", $size);";
78 pidl "$name = talloc_zero($mem_ctx, " . DeclLevel($e, 1) . ");";
81 pidl "if ($name == NULL) {";
87 sub CallWithStruct($$$$)
89 my ($pipes_struct, $mem_ctx, $fn, $fail) = @_;
90 my $env = GenerateFunctionOutEnv($fn);
92 foreach (@{$fn->{ELEMENTS}}) {
93 if (grep(/out/, @{$_->{DIRECTION}})) { $hasout = 1; }
96 pidl "ZERO_STRUCT(r->out);" if ($hasout);
98 my $proto = "_$fn->{NAME}(pipes_struct *p, struct $fn->{NAME} *r";
99 my $ret = "_$fn->{NAME}($pipes_struct, r";
100 foreach (@{$fn->{ELEMENTS}}) {
101 my @dir = @{$_->{DIRECTION}};
102 if (grep(/in/, @dir) and grep(/out/, @dir)) {
103 pidl "r->out.$_->{NAME} = r->in.$_->{NAME};";
107 foreach (@{$fn->{ELEMENTS}}) {
108 my @dir = @{$_->{DIRECTION}};
109 if (grep(/in/, @dir) and grep(/out/, @dir)) {
111 } elsif (grep(/out/, @dir) and not
112 has_property($_, "represent_as")) {
113 AllocOutVar($_, $mem_ctx, "r->out.$_->{NAME}", $env, $fail);
119 if ($fn->{RETURN_TYPE}) {
120 $ret = "r->out.result = $ret";
121 $proto = "$fn->{RETURN_TYPE} $proto";
123 $proto = "void $proto";
130 sub ParseFunction($$)
134 my $op = "NDR_".uc($fn->{NAME});
136 pidl "static bool api_$fn->{NAME}(pipes_struct *p)";
139 pidl "const struct ndr_interface_call *call;";
140 pidl "struct ndr_pull *pull;";
141 pidl "struct ndr_push *push;";
142 pidl "enum ndr_err_code ndr_err;";
143 pidl "DATA_BLOB blob;";
144 pidl "struct $fn->{NAME} *r;";
146 pidl "call = &ndr_table_$if->{NAME}.calls[$op];";
148 pidl "r = talloc(talloc_tos(), struct $fn->{NAME});";
149 pidl "if (r == NULL) {";
150 pidl "\treturn false;";
153 pidl "if (!prs_data_blob(&p->in_data.data, &blob, r)) {";
154 pidl "\ttalloc_free(r);";
155 pidl "\treturn false;";
158 pidl "pull = ndr_pull_init_blob(&blob, r, NULL);";
159 pidl "if (pull == NULL) {";
160 pidl "\ttalloc_free(r);";
161 pidl "\treturn false;";
164 pidl "pull->flags |= LIBNDR_FLAG_REF_ALLOC;";
165 pidl "ndr_err = call->ndr_pull(pull, NDR_IN, r);";
166 pidl "if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {";
167 pidl "\ttalloc_free(r);";
168 pidl "\treturn false;";
171 pidl "if (DEBUGLEVEL >= 10) {";
172 pidl "\tNDR_PRINT_IN_DEBUG($fn->{NAME}, r);";
176 CallWithStruct("p", "r", $fn,
178 pidl "\ttalloc_free(r);";
179 pidl "\treturn false;";
184 pidl "if (p->rng_fault_state) {";
185 pidl "\ttalloc_free(r);";
186 pidl "\t/* Return true here, srv_pipe_hnd.c will take care */";
187 pidl "\treturn true;";
190 pidl "if (DEBUGLEVEL >= 10) {";
191 pidl "\tNDR_PRINT_OUT_DEBUG($fn->{NAME}, r);";
194 pidl "push = ndr_push_init_ctx(r, NULL);";
195 pidl "if (push == NULL) {";
196 pidl "\ttalloc_free(r);";
197 pidl "\treturn false;";
200 pidl "ndr_err = call->ndr_push(push, NDR_OUT, r);";
201 pidl "if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {";
202 pidl "\ttalloc_free(r);";
203 pidl "\treturn false;";
206 pidl "blob = ndr_push_blob(push);";
207 pidl "if (!prs_copy_data_in(&p->out_data.rdata, (const char *)blob.data, (uint32_t)blob.length)) {";
208 pidl "\ttalloc_free(r);";
209 pidl "\treturn false;";
212 pidl "talloc_free(r);";
220 sub ParseDispatchFunction($)
224 pidl_hdr "NTSTATUS rpc_$if->{NAME}_dispatch(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx, const struct ndr_interface_table *table, uint32_t opnum, void *r);";
225 pidl "NTSTATUS rpc_$if->{NAME}_dispatch(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx, const struct ndr_interface_table *table, uint32_t opnum, void *_r)";
228 pidl "if (cli->pipes_struct == NULL) {";
229 pidl "\treturn NT_STATUS_INVALID_PARAMETER;";
232 pidl "switch (opnum)";
235 foreach my $fn (@{$if->{FUNCTIONS}}) {
236 next if ($fn->{PROPERTIES}{noopnum});
237 my $op = "NDR_".uc($fn->{NAME});
240 pidl "struct $fn->{NAME} *r = (struct $fn->{NAME} *)_r;";
241 CallWithStruct("cli->pipes_struct", "mem_ctx", $fn,
242 sub { pidl "return NT_STATUS_NO_MEMORY;"; });
243 pidl "return NT_STATUS_OK;";
250 pidl "\treturn NT_STATUS_NOT_IMPLEMENTED;";
259 sub ParseInterface($)
263 my $uif = uc($if->{NAME});
265 pidl_hdr "#ifndef __SRV_$uif\__";
266 pidl_hdr "#define __SRV_$uif\__";
268 foreach (@{$if->{FUNCTIONS}}) {
269 next if ($_->{PROPERTIES}{noopnum});
270 ParseFunction($if, $_);
275 pidl "static struct api_struct api_$if->{NAME}_cmds[] = ";
279 foreach (@{$if->{FUNCTIONS}}) {
280 next if ($_->{PROPERTIES}{noopnum});
281 pidl "{\"" . uc($_->{NAME}) . "\", NDR_" . uc($_->{NAME}) . ", api_$_->{NAME}},";
289 pidl_hdr "void $if->{NAME}_get_pipe_fns(struct api_struct **fns, int *n_fns);";
290 pidl "void $if->{NAME}_get_pipe_fns(struct api_struct **fns, int *n_fns)";
293 pidl "*fns = api_$if->{NAME}_cmds;";
294 pidl "*n_fns = sizeof(api_$if->{NAME}_cmds) / sizeof(struct api_struct);";
299 ParseDispatchFunction($if);
301 pidl_hdr "NTSTATUS rpc_$if->{NAME}_init(void);";
302 pidl "NTSTATUS rpc_$if->{NAME}_init(void)";
304 pidl "\treturn rpc_srv_register(SMB_RPC_INTERFACE_VERSION, \"$if->{NAME}\", \"$if->{NAME}\", \&ndr_table_$if->{NAME}, api_$if->{NAME}_cmds, sizeof(api_$if->{NAME}_cmds) / sizeof(struct api_struct));";
307 pidl_hdr "#endif /* __SRV_$uif\__ */";
312 my($ndr,$header,$ndr_header) = @_;
318 pidl " * Unix SMB/CIFS implementation.";
319 pidl " * server auto-generated by pidl. DO NOT MODIFY!";
322 pidl "#include \"includes.h\"";
323 pidl "#include \"$header\"";
324 pidl_hdr "#include \"$ndr_header\"";
328 ParseInterface($_) if ($_->{TYPE} eq "INTERFACE");
331 return ($res, $res_hdr);