From 9eb78be4a670615b4e6a722f121f0f0e585b8d6b Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Thu, 1 Oct 2009 16:08:02 +1000 Subject: [PATCH] ndr64: added support for trailing gap alignment NDR64 has a 'trailing gap' alignment, which aligns the end of a structure on the overall structure alignment. This explains the discrepancy we had with the RPC-SAMR test and NDR64 --- librpc/ndr/libndr.h | 2 ++ librpc/ndr/ndr_basic.c | 18 ++++++++++++++++++ pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm | 4 ++++ 3 files changed, 24 insertions(+) diff --git a/librpc/ndr/libndr.h b/librpc/ndr/libndr.h index f6f51706461..3236932ba7c 100644 --- a/librpc/ndr/libndr.h +++ b/librpc/ndr/libndr.h @@ -500,6 +500,8 @@ enum ndr_err_code ndr_push_align(struct ndr_push *ndr, size_t size); enum ndr_err_code ndr_pull_align(struct ndr_pull *ndr, size_t size); enum ndr_err_code ndr_push_union_align(struct ndr_push *ndr, size_t size); enum ndr_err_code ndr_pull_union_align(struct ndr_pull *ndr, size_t size); +enum ndr_err_code ndr_push_trailer_align(struct ndr_push *ndr, size_t size); +enum ndr_err_code ndr_pull_trailer_align(struct ndr_pull *ndr, size_t size); enum ndr_err_code ndr_push_bytes(struct ndr_push *ndr, const uint8_t *data, uint32_t n); enum ndr_err_code ndr_push_zero(struct ndr_push *ndr, uint32_t n); enum ndr_err_code ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n); diff --git a/librpc/ndr/ndr_basic.c b/librpc/ndr/ndr_basic.c index f3b7e755c51..807db59995c 100644 --- a/librpc/ndr/ndr_basic.c +++ b/librpc/ndr/ndr_basic.c @@ -573,6 +573,24 @@ _PUBLIC_ enum ndr_err_code ndr_pull_union_align(struct ndr_pull *ndr, size_t siz return NDR_ERR_SUCCESS; } +_PUBLIC_ enum ndr_err_code ndr_push_trailer_align(struct ndr_push *ndr, size_t size) +{ + /* MS-RPCE section 2.2.5.3.4.1 */ + if (ndr->flags & LIBNDR_FLAG_NDR64) { + return ndr_push_align(ndr, size); + } + return NDR_ERR_SUCCESS; +} + +_PUBLIC_ enum ndr_err_code ndr_pull_trailer_align(struct ndr_pull *ndr, size_t size) +{ + /* MS-RPCE section 2.2.5.3.4.1 */ + if (ndr->flags & LIBNDR_FLAG_NDR64) { + return ndr_pull_align(ndr, size); + } + return NDR_ERR_SUCCESS; +} + /* push some bytes */ diff --git a/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm b/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm index 9a02d522a9b..11a43b4509d 100644 --- a/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm +++ b/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm @@ -1235,6 +1235,8 @@ sub ParseStructPushPrimitives($$$$$) } $self->ParseElementPush($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}}); + + $self->pidl("NDR_CHECK(ndr_push_trailer_align($ndr, $struct->{ALIGN}));"); } sub ParseStructPushDeferred($$$$) @@ -1533,6 +1535,8 @@ sub ParseStructPullPrimitives($$$$$) $self->ParseElementPull($_, $ndr, $env, 1, 0) foreach (@{$struct->{ELEMENTS}}); $self->add_deferred(); + + $self->pidl("NDR_CHECK(ndr_pull_trailer_align($ndr, $struct->{ALIGN}));"); } sub ParseStructPullDeferred($$$$$) -- 2.34.1