diff options
Diffstat (limited to 'source4')
-rw-r--r-- | source4/build/pidl/Parse/Pidl/Samba/TDR.pm | 252 | ||||
-rwxr-xr-x | source4/build/pidl/pidl | 18 | ||||
-rw-r--r-- | source4/include/includes.h | 1 | ||||
-rw-r--r-- | source4/lib/basic.mk | 3 | ||||
-rw-r--r-- | source4/lib/tdr/tdr.c | 229 | ||||
-rw-r--r-- | source4/lib/tdr/tdr.h | 52 |
6 files changed, 555 insertions, 0 deletions
diff --git a/source4/build/pidl/Parse/Pidl/Samba/TDR.pm b/source4/build/pidl/Parse/Pidl/Samba/TDR.pm new file mode 100644 index 0000000000..fb9dd0daea --- /dev/null +++ b/source4/build/pidl/Parse/Pidl/Samba/TDR.pm @@ -0,0 +1,252 @@ +################################################### +# Trivial Parser Generator +# Copyright jelmer@samba.org 2005 +# released under the GNU GPL + +package Parse::Pidl::Samba::TDR; +use Parse::Pidl::Util qw(has_property ParseExpr is_constant); +use Data::Dumper; + +use strict; + +my $ret = ""; +my $tabs = ""; + +sub indent() { $tabs.="\t"; } +sub deindent() { $tabs = substr($tabs, 1); } +sub pidl($) { $ret .= $tabs.(shift)."\n"; } +sub fatal($$) { my ($e,$s) = @_; die("$e->{FILE}:$e->{LINE}: $s\n"); } +sub static($) { my $p = shift; return("static ") unless ($p); return ""; } +sub printarg($) { + my $t = shift; + return(", const char *name") if ($t eq "print"); + return(""); +} + +sub ContainsArray($) +{ + my $e = shift; + foreach (@{$e->{ELEMENTS}}) { + next if (has_property($_, "charset") and + scalar(@{$_->{ARRAY_LEN}}) == 1); + return 1 if (defined($_->{ARRAY_LEN}) and + scalar(@{$_->{ARRAY_LEN}}) > 0); + } + return 0; +} + +sub ParserElement($$$) +{ + my ($e,$t,$env) = @_; + my $switch = ""; + my $array = ""; + my $name = ""; + + fatal($e,"Pointers not supported in TDR") if ($e->{POINTERS} > 0); + fatal($e,"size_is() not supported in TDR") if (has_property($e, "size_is")); + fatal($e,"length_is() not supported in TDR") if (has_property($e, "length_is")); + + if ($t eq "print") { + $name = ", \"$e->{NAME}\"$array"; + } + + if (has_property($e, "charset")) { + fatal($e,"charset() on non-array element") unless (defined($e->{ARRAY_LEN}) and scalar(@{$e->{ARRAY_LEN}}) > 0); + + my $len = @{$e->{ARRAY_LEN}}[0]; + if ($len eq "*") { $len = "-1"; } + pidl "TDR_CHECK(tdr_$t\_charset(tdr$name, &v->$e->{NAME}, $len, sizeof($e->{TYPE}_t), CH_$e->{PROPERTIES}->{charset}));"; + return; + } + + if (has_property($e, "switch_is")) { + $switch = ", " . ParseExpr($e->{PROPERTIES}->{switch_is}, $env); + } + + if (defined($e->{ARRAY_LEN}) and scalar(@{$e->{ARRAY_LEN}}) > 0) { + my $len = ParseExpr($e->{ARRAY_LEN}[0], $env); + + if ($t eq "pull" and not is_constant($len)) { + pidl "TDR_ALLOC(tdr, v->$e->{NAME}, $len);" + } + + pidl "for (i = 0; i < $len; i++) {"; + indent; + $array = "[i]"; + } + + if (has_property($e, "value") && $t eq "push") { + pidl "v->$e->{NAME} = ".ParseExpr($e->{PROPERTIES}->{value}, $env).";"; + } + + pidl "TDR_CHECK(tdr_$t\_$e->{TYPE}(tdr$name$switch, &v->$e->{NAME}$array));"; + + if ($array) { deindent; pidl "}"; } +} + +sub ParserStruct($$$$) +{ + my ($e,$n,$t,$p) = @_; + + pidl static($p)."NTSTATUS tdr_$t\_$n (struct tdr_$t *tdr".printarg($t).", struct $n *v)"; + pidl "{"; indent; + pidl "int i;" if (ContainsArray($e)); + + if ($t eq "print") { + pidl "tdr->print(tdr, \"\%-25s: struct $n\", name);"; + pidl "tdr->level++;"; + } + + my %env = map { $_->{NAME} => "v->$_->{NAME}" } @{$e->{ELEMENTS}}; + ParserElement($_, $t, \%env) foreach (@{$e->{ELEMENTS}}); + + if ($t eq "print") { + pidl "tdr->level--;"; + } + + pidl "return NT_STATUS_OK;"; + + deindent; pidl "}"; +} + +sub ParserUnion($$$$) +{ + my ($e,$n,$t,$p) = @_; + + pidl static($p)."NTSTATUS tdr_$t\_$n(struct tdr_$t *tdr".printarg($t).", int level, union $n *v)"; + pidl "{"; indent; + pidl "int i;" if (ContainsArray($e)); + + if ($t eq "print") { + pidl "tdr->print(tdr, \"\%-25s: union $n\", name);"; + pidl "tdr->level++;"; + } + + pidl "switch (level) {"; indent; + foreach (@{$e->{ELEMENTS}}) { + if (has_property($_, "case")) { + pidl "case " . $_->{PROPERTIES}->{case} . ":"; + } elsif (has_property($_, "default")) { + pidl "default:"; + } + indent; ParserElement($_, $t, {}); deindent; + pidl "break;"; + } + deindent; pidl "}"; + + if ($t eq "print") { + pidl "tdr->level--;"; + } + + pidl "return NT_STATUS_OK;\n"; + deindent; pidl "}"; +} + +sub ParserBitmap($$$$) +{ + my ($e,$n,$t,$p) = @_; + return if ($p); + pidl "#define tdr_$t\_$n tdr_$t\_" . Parse::Pidl::Typelist::bitmap_type_fn($e); +} + +sub ParserEnum($$$$) +{ + my ($e,$n,$t,$p) = @_; + my $bt = Parse::Pidl::Typelist::enum_type_fn($e); + + pidl static($p)."NTSTATUS tdr_$t\_$n (struct tdr_$t *tdr".printarg($t).", enum $n *v)"; + pidl "{"; + if ($t eq "pull") { + pidl "\t$bt\_t r;"; + pidl "\tTDR_CHECK(tdr_$t\_$bt(tdr, \&r));"; + pidl "\t*v = r;"; + } elsif ($t eq "push") { + pidl "\tTDR_CHECK(tdr_$t\_$bt(tdr, ($bt\_t *)v));"; + } elsif ($t eq "print") { + pidl "\t/* FIXME */"; + } + pidl "\treturn NT_STATUS_OK;"; + pidl "}"; +} + +sub ParserTypedef($$) +{ + my ($e,$t) = @_; + + return if (has_property($e, "no$t")); + + { STRUCT => \&ParserStruct, UNION => \&ParserUnion, + ENUM => \&ParserEnum, BITMAP => \&ParserBitmap + }->{$e->{DATA}->{TYPE}}($e->{DATA}, $e->{NAME}, $t, has_property($e, "public")); + + pidl ""; +} + +sub ParserInterface($) +{ + my $x = shift; + + foreach (@{$x->{DATA}}) { + next if ($_->{TYPE} ne "TYPEDEF"); + ParserTypedef($_, "pull"); + ParserTypedef($_, "push"); + ParserTypedef($_, "print"); + } +} + +sub Parser($$) +{ + my ($idl,$hdrname) = @_; + $ret = ""; + pidl "/* autogenerated by pidl */"; + pidl "#include \"includes.h\""; + pidl "#include \"$hdrname\""; + foreach (@$idl) { ParserInterface($_) if ($_->{TYPE} eq "INTERFACE"); } + return $ret; +} + +sub HeaderInterface($$) +{ + my ($x,$outputdir) = @_; + + pidl "#ifndef __TDR_$x->{NAME}_HEADER__"; + pidl "#define __TDR_$x->{NAME}_HEADER__"; + + pidl "#include \"$outputdir/$x->{NAME}.h\""; + + foreach my $e (@{$x->{DATA}}) { + next unless ($e->{TYPE} eq "TYPEDEF"); + next unless has_property($e, "public"); + + my $switch = ""; + + $switch = ", int level" if ($e->{DATA}->{TYPE} eq "UNION"); + + if ($e->{DATA}->{TYPE} eq "BITMAP") { + # FIXME + } else { + my ($n, $d) = ($e->{NAME}, lc($e->{DATA}->{TYPE})); + pidl "NTSTATUS tdr_pull\_$n(struct tdr_pull *tdr$switch, $d $n *v);"; + pidl "NTSTATUS tdr_print\_$n(struct tdr_print *tdr, const char *name$switch, $d $n *v);"; + pidl "NTSTATUS tdr_push\_$n(struct tdr_push *tdr$switch, $d $n *v);"; + } + + pidl ""; + } + + pidl "#endif /* __TDR_$x->{NAME}_HEADER__ */"; +} + +sub Header($$) +{ + my ($idl,$outputdir) = @_; + $ret = ""; + pidl "/* Generated by pidl */"; + + foreach (@$idl) { + HeaderInterface($_, $outputdir) if ($_->{TYPE} eq "INTERFACE"); + } + return $ret; +} + +1; diff --git a/source4/build/pidl/pidl b/source4/build/pidl/pidl index 7523f03495..99e5cbc076 100755 --- a/source4/build/pidl/pidl +++ b/source4/build/pidl/pidl @@ -43,6 +43,8 @@ my($opt_template) = 0; my($opt_client); my($opt_server); my($opt_ndr_parser); +my($opt_tdr_header); +my($opt_tdr_parser); my($opt_eth_parser); my($opt_eth_header); my($opt_keep); @@ -74,6 +76,8 @@ Options: --header[=OUTFILE] create generic header file --ndr-header[=OUTFILE]create a C NDR-specific header file --ndr-parser[=OUTFILE]create a C NDR parser + --tdr-header[=OUTFILE]create a C TDR header file + --tdr-parser[=OUTFILE]create a C TDR parser --ejs[=OUTFILE] create ejs wrapper file --client[=OUTFILE] create a C NDR client --server[=OUTFILE] create server boilerplate @@ -103,6 +107,8 @@ GetOptions ( 'ndr-header:s' => \$opt_ndr_header, 'header:s' => \$opt_header, 'server:s' => \$opt_server, + 'tdr-header:s' => \$opt_tdr_header, + 'tdr-parser:s' => \$opt_tdr_parser, 'template' => \$opt_template, 'ndr-parser:s' => \$opt_ndr_parser, 'client:s' => \$opt_client, @@ -295,6 +301,18 @@ $dcom Parse::Pidl::Util::FileSave($eparser, Parse::Pidl::Ethereal::NDR::Parser::Parse($ndr, $basename, $eparser)); } + my $tdr_parser = ($opt_tdr_parser or "$outputdir/tdr_$basename.c"); + my $tdr_header = ($opt_tdr_header or "$outputdir/tdr_$basename.h"); + if (defined($opt_tdr_parser)) { + require Parse::Pidl::Samba::TDR; + Parse::Pidl::Util::FileSave($tdr_parser, Parse::Pidl::Samba::TDR::Parser($pidl, $tdr_header)); + } + + if (defined($opt_tdr_header)) { + require Parse::Pidl::Samba::TDR; + Parse::Pidl::Util::FileSave($tdr_header, Parse::Pidl::Samba::TDR::Header($pidl, $outputdir)); + } + if ($opt_template) { require Parse::Pidl::Samba::Template; print Parse::Pidl::Samba::Template::Parse($pidl); diff --git a/source4/include/includes.h b/source4/include/includes.h index 7b6b2014e6..ea7abb0c9b 100644 --- a/source4/include/includes.h +++ b/source4/include/includes.h @@ -132,6 +132,7 @@ extern int errno; #include "smb.h" #include "byteorder.h" #include "module.h" +#include "lib/tdr/tdr.h" #include "librpc/ndr/libndr.h" #include "librpc/gen_ndr/misc.h" #include "librpc/gen_ndr/dcerpc.h" diff --git a/source4/lib/basic.mk b/source4/lib/basic.mk index 58cbca0198..3953d702bc 100644 --- a/source4/lib/basic.mk +++ b/source4/lib/basic.mk @@ -10,6 +10,9 @@ ADD_OBJ_FILES = \ # End SUBSYSTEM LIBNETIF ############################## +[SUBSYSTEM::TDR] +INIT_OBJ_FILES = lib/tdr/tdr.o + ############################## # Start SUBSYSTEM LIBCRYPTO [SUBSYSTEM::LIBCRYPTO] diff --git a/source4/lib/tdr/tdr.c b/source4/lib/tdr/tdr.c new file mode 100644 index 0000000000..c9aa289f00 --- /dev/null +++ b/source4/lib/tdr/tdr.c @@ -0,0 +1,229 @@ +/* + Unix SMB/CIFS implementation. + + TDR (Trivial Data Representation) helper functions + Based loosely on ndr.c by Andrew Tridgell. + + Copyright (C) Jelmer Vernooij 2005 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "system/network.h" + +#define TDR_BASE_MARSHALL_SIZE 1024 + +#define TDR_PUSH_NEED_BYTES(tdr, n) TDR_CHECK(tdr_push_expand(tdr, tdr->offset+(n))) + +#define TDR_PULL_NEED_BYTES(tdr, n) do { \ + if ((n) > tdr->length || tdr->offset + (n) > tdr->length) { \ + return NT_STATUS_BUFFER_TOO_SMALL; \ + } \ +} while(0) + +#define TDR_BE(tdr) ((tdr)->flags & TDR_FLAG_BIGENDIAN) + +#define TDR_SVAL(tdr, ofs) (TDR_BE(tdr)?RSVAL(tdr->data,ofs):SVAL(tdr->data,ofs)) +#define TDR_IVAL(tdr, ofs) (TDR_BE(tdr)?RIVAL(tdr->data,ofs):IVAL(tdr->data,ofs)) +#define TDR_IVALS(tdr, ofs) (TDR_BE(tdr)?RIVALS(tdr->data,ofs):IVALS(tdr->data,ofs)) +#define TDR_SSVAL(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSSVAL(tdr->data,ofs,v); } else SSVAL(tdr->data,ofs,v); } while (0) +#define TDR_SIVAL(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSIVAL(tdr->data,ofs,v); } else SIVAL(tdr->data,ofs,v); } while (0) +#define TDR_SIVALS(tdr, ofs, v) do { if (TDR_BE(tdr)) { RSIVALS(tdr->data,ofs,v); } else SIVALS(tdr->data,ofs,v); } while (0) + +struct tdr_pull *tdr_pull_init(TALLOC_CTX *mem_ctx, DATA_BLOB *blob) +{ + struct tdr_pull *tdr = talloc(mem_ctx, struct tdr_pull); + tdr->data = blob->data; + tdr->length = blob->length; + tdr->offset = 0; + tdr->flags = 0; + return tdr; +} + +struct tdr_push *tdr_push_init(TALLOC_CTX *mem_ctx) +{ + return talloc_zero(mem_ctx, struct tdr_push); +} + +struct tdr_print *tdr_print_init(TALLOC_CTX *mem_ctx) +{ + return talloc_zero(mem_ctx, struct tdr_print); +} + +/* + expand the available space in the buffer to 'size' +*/ +NTSTATUS tdr_push_expand(struct tdr_push *tdr, uint32_t size) +{ + if (tdr->alloc_size >= size) { + return NT_STATUS_OK; + } + + tdr->alloc_size += TDR_BASE_MARSHALL_SIZE; + if (size > tdr->alloc_size) { + tdr->length = size; + } + tdr->data = talloc_realloc(tdr, tdr->data, uint8_t, tdr->alloc_size); + return NT_STATUS_NO_MEMORY; +} + + +NTSTATUS tdr_pull_uint8(struct tdr_pull *tdr, uint8_t *v) +{ + TDR_PULL_NEED_BYTES(tdr, 1); + SCVAL(tdr->data, tdr->offset, *v); + tdr->offset += 1; + return NT_STATUS_OK; +} + +NTSTATUS tdr_push_uint8(struct tdr_push *tdr, const uint8_t *v) +{ + TDR_PUSH_NEED_BYTES(tdr, 1); + SCVAL(tdr->data, tdr->offset, *v); + tdr->offset += 1; + return NT_STATUS_OK; +} + +NTSTATUS tdr_print_uint8(struct tdr_print *tdr, const char *name, uint8_t *v) +{ + tdr->print(tdr, "%-25s: 0x%02x (%u)", name, *v, *v); + return NT_STATUS_OK; +} + +NTSTATUS tdr_pull_uint16(struct tdr_pull *tdr, uint16_t *v) +{ + TDR_PULL_NEED_BYTES(tdr, 2); + *v = TDR_SVAL(tdr, tdr->offset); + tdr->offset += 2; + return NT_STATUS_OK; +} + +NTSTATUS tdr_push_uint16(struct tdr_push *tdr, const uint16_t *v) +{ + TDR_PUSH_NEED_BYTES(tdr, 2); + TDR_SSVAL(tdr, tdr->offset, *v); + tdr->offset += 2; + return NT_STATUS_OK; +} + +NTSTATUS tdr_print_uint16(struct tdr_print *tdr, const char *name, uint16_t *v) +{ + tdr->print(tdr, "%-25s: 0x%02x (%u)", name, *v, *v); + return NT_STATUS_OK; +} + +NTSTATUS tdr_pull_uint32(struct tdr_pull *tdr, uint16_t *v) +{ + TDR_PULL_NEED_BYTES(tdr, 4); + *v = TDR_IVAL(tdr, tdr->offset); + tdr->offset += 4; + return NT_STATUS_OK; +} + +NTSTATUS tdr_push_uint32(struct tdr_push *tdr, const uint16_t *v) +{ + TDR_PUSH_NEED_BYTES(tdr, 4); + TDR_SIVAL(tdr, tdr->offset, *v); + tdr->offset += 4; + return NT_STATUS_OK; +} + +NTSTATUS tdr_print_uint32(struct tdr_print *tdr, const char *name, uint32_t *v) +{ + tdr->print(tdr, "%-25s: 0x%02x (%u)", name, *v, *v); + return NT_STATUS_OK; +} + +NTSTATUS tdr_pull_charset(struct tdr_pull *tdr, char **v, uint32_t length, uint32_t el_size, int chset) +{ + int ret; + if (length == -1) { + switch (chset) { + case CH_DOS: + length = ascii_len_n((const char*)tdr->data+tdr->offset, tdr->length-tdr->offset); + break; + case CH_UTF16: + length = utf16_len_n(tdr->data+tdr->offset, tdr->length-tdr->offset); + default: + return NT_STATUS_INVALID_PARAMETER; + } + } + + TDR_PULL_NEED_BYTES(tdr, el_size*length); + + ret = convert_string_talloc(tdr, chset, CH_UNIX, tdr->data+tdr->offset, el_size*length, (void **)v); + + if (ret == -1) { + return NT_STATUS_INVALID_PARAMETER; + } + + return NT_STATUS_OK; +} + +NTSTATUS tdr_push_charset(struct tdr_push *tdr, const char **v, uint32_t length, uint32_t el_size, int chset) +{ + int ret; + TDR_PUSH_NEED_BYTES(tdr, el_size*length); + + ret = convert_string(CH_UNIX, chset, *v, length, tdr->data+tdr->offset, el_size*length); + + if (ret == -1) { + return NT_STATUS_INVALID_PARAMETER; + } + + tdr->offset += ret; + + return NT_STATUS_OK; +} + +NTSTATUS tdr_print_charset(struct tdr_print *tdr, const char *name, const char **v, uint32_t length, uint32_t el_size, int chset) +{ + tdr->print(tdr, "%-25s: %s", name, *v); + return NT_STATUS_OK; +} + +/* + pull a ipv4address +*/ +NTSTATUS tdr_pull_ipv4address(struct tdr_pull *tdr, const char **address) +{ + struct ipv4_addr in; + TDR_CHECK(tdr_pull_uint32(tdr, &in.addr)); + in.addr = htonl(in.addr); + *address = talloc_strdup(tdr, sys_inet_ntoa(in)); + NT_STATUS_HAVE_NO_MEMORY(*address); + return NT_STATUS_OK; +} + +/* + push a ipv4address +*/ +NTSTATUS tdr_push_ipv4address(struct tdr_push *tdr, const char **address) +{ + uint32_t addr = htonl(interpret_addr(*address)); + TDR_CHECK(tdr_push_uint32(tdr, &addr)); + return NT_STATUS_OK; +} + +/* + print a ipv4address +*/ +NTSTATUS tdr_print_ipv4address(struct tdr_print *tdr, const char *name, + const char **address) +{ + tdr->print(tdr, "%-25s: %s", name, *address); + return NT_STATUS_OK; +} diff --git a/source4/lib/tdr/tdr.h b/source4/lib/tdr/tdr.h new file mode 100644 index 0000000000..604f9d549a --- /dev/null +++ b/source4/lib/tdr/tdr.h @@ -0,0 +1,52 @@ +/* + Unix SMB/CIFS implementation. + TDR definitions + Copyright (C) Jelmer Vernooij 2005 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#define TDR_FLAG_BIGENDIAN 1 + +struct tdr_pull { + uint8_t *data; + uint32_t offset; + uint32_t length; + int flags; +}; + +struct tdr_push { + uint8_t *data; + uint32_t alloc_size; + uint32_t offset; + uint32_t length; + int flags; +}; + +struct tdr_print { + int level; + void (*print)(struct tdr_print *, const char *, ...); +}; + +#define TDR_CHECK(call) do { NTSTATUS _status; \ + _status = call; \ + if (!NT_STATUS_IS_OK(_status)) \ + return _status; \ + } while (0) + +#define TDR_ALLOC(tdr, s, n) do { \ + (s) = talloc_array_size(tdr, sizeof(*(s)), n); \ + if ((n) && !(s)) return NT_STATUS_NO_MEMORY; \ + } while (0) |