diff options
Diffstat (limited to 'pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm')
| -rw-r--r-- | pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm b/pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm new file mode 100644 index 0000000000..b21d3f4bbc --- /dev/null +++ b/pidl/lib/Parse/Pidl/Samba3/ServerNDR.pm @@ -0,0 +1,268 @@ +################################################### +# 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; |