| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | libndr interface
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| 5 |
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| 6 | Copyright (C) Jelmer Vernooij 2006
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| 7 |
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| 8 | This program is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 2 of the License, or
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| 11 | (at your option) any later version.
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| 12 |
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| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program; if not, write to the Free Software
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| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 21 | */
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| 22 |
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| 23 | #include "includes.h"
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| 24 |
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| 25 |
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| 26 | NTSTATUS cli_do_rpc_ndr(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
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| 27 | int p_idx, int opnum, void *data,
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| 28 | ndr_pull_flags_fn_t pull_fn, ndr_push_flags_fn_t push_fn)
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| 29 | {
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| 30 | prs_struct q_ps, r_ps;
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| 31 | struct ndr_pull *pull;
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| 32 | DATA_BLOB blob;
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| 33 | struct ndr_push *push;
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| 34 | NTSTATUS status;
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| 35 |
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| 36 | SMB_ASSERT(cli->pipe_idx == p_idx);
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| 37 |
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| 38 | push = ndr_push_init_ctx(mem_ctx);
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| 39 | if (!push) {
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| 40 | return NT_STATUS_NO_MEMORY;
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| 41 | }
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| 42 |
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| 43 | status = push_fn(push, NDR_IN, data);
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| 44 | if (!NT_STATUS_IS_OK(status)) {
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| 45 | return status;
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| 46 | }
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| 47 |
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| 48 | blob = ndr_push_blob(push);
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| 49 |
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| 50 | if (!prs_init_data_blob(&q_ps, &blob, mem_ctx)) {
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| 51 | return NT_STATUS_NO_MEMORY;
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| 52 | }
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| 53 |
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| 54 | talloc_free(push);
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| 55 |
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| 56 | if (!prs_init( &r_ps, 0, mem_ctx, UNMARSHALL )) {
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| 57 | prs_mem_free( &q_ps );
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| 58 | return NT_STATUS_NO_MEMORY;
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| 59 | }
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| 60 |
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| 61 | status = rpc_api_pipe_req(cli, opnum, &q_ps, &r_ps);
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| 62 |
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| 63 | prs_mem_free( &q_ps );
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| 64 |
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| 65 | if (!NT_STATUS_IS_OK(status)) {
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| 66 | prs_mem_free( &r_ps );
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| 67 | return status;
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| 68 | }
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| 69 |
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| 70 | if (!prs_data_blob(&r_ps, &blob, mem_ctx)) {
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| 71 | prs_mem_free( &r_ps );
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| 72 | return NT_STATUS_NO_MEMORY;
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| 73 | }
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| 74 |
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| 75 | prs_mem_free( &r_ps );
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| 76 |
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| 77 | pull = ndr_pull_init_blob(&blob, mem_ctx);
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| 78 | if (pull == NULL) {
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| 79 | return NT_STATUS_NO_MEMORY;
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| 80 | }
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| 81 |
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| 82 | /* have the ndr parser alloc memory for us */
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| 83 | pull->flags |= LIBNDR_FLAG_REF_ALLOC;
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| 84 | status = pull_fn(pull, NDR_OUT, data);
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| 85 | talloc_free(pull);
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| 86 |
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| 87 | if (!NT_STATUS_IS_OK(status)) {
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| 88 | return status;
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| 89 | }
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| 90 |
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| 91 | return NT_STATUS_OK;
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| 92 | }
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