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librpc/rpc: add dcerpc_floor_pack_uuid_full() helper function

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This handles the full syntax with split major and minor version,
from lhs and rhs.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Stefan Metzmacher 2023-08-09 19:23:59 +02:00 committed by Andrew Bartlett
parent ac392c35e4
commit 1058382d04
1 changed files with 34 additions and 15 deletions
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49
librpc/rpc/binding.c
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@ -982,6 +982,29 @@ static bool dcerpc_floor_pack_rhs_if_version_data(
return true;
}
static NTSTATUS dcerpc_floor_pack_uuid_full(TALLOC_CTX *mem_ctx,
struct epm_floor *floor,
const struct ndr_syntax_id *syntax)
{
bool ok;
floor->lhs.protocol = EPM_PROTOCOL_UUID;
floor->lhs.lhs_data = dcerpc_floor_pack_lhs_data(mem_ctx, syntax);
if (floor->lhs.lhs_data.data == NULL) {
return NT_STATUS_NO_MEMORY;
}
ok = dcerpc_floor_pack_rhs_if_version_data(mem_ctx, syntax,
&floor->rhs.uuid.unknown);
if (!ok) {
data_blob_free(&floor->lhs.lhs_data);
return NT_STATUS_NO_MEMORY;
}
return NT_STATUS_OK;
}
char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor)
{
switch (epm_floor->lhs.protocol) {
@ -1402,25 +1425,21 @@ _PUBLIC_ NTSTATUS dcerpc_binding_build_tower(TALLOC_CTX *mem_ctx,
}
/* Floor 0 */
tower->floors[0].lhs.protocol = EPM_PROTOCOL_UUID;
abstract_syntax = dcerpc_binding_get_abstract_syntax(binding);
tower->floors[0].lhs.lhs_data = dcerpc_floor_pack_lhs_data(tower->floors,
&abstract_syntax);
if (!dcerpc_floor_pack_rhs_if_version_data(
tower->floors, &abstract_syntax,
&tower->floors[0].rhs.uuid.unknown)) {
return NT_STATUS_NO_MEMORY;
status = dcerpc_floor_pack_uuid_full(tower->floors,
&tower->floors[0],
&abstract_syntax);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
/* Floor 1 */
tower->floors[1].lhs.protocol = EPM_PROTOCOL_UUID;
tower->floors[1].lhs.lhs_data = dcerpc_floor_pack_lhs_data(tower->floors,
&ndr_transfer_syntax_ndr);
tower->floors[1].rhs.uuid.unknown = data_blob_talloc_zero(tower->floors, 2);
status = dcerpc_floor_pack_uuid_full(tower->floors,
&tower->floors[1],
&ndr_transfer_syntax_ndr);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
/* Floor 2 to num_protocols */
for (i = 0; i < num_protocols; i++) {