| 1 | /*
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| 2 | * Unix SMB/CIFS implementation.
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| 3 | *
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| 4 | * ID mapping: abstract r/w new-mapping mechanism
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| 5 | *
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| 6 | * Copyright (C) Michael Adam 2010
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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 3 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, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #include "includes.h"
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| 23 | #include "winbindd.h"
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| 24 | #include "idmap.h"
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| 25 | #include "idmap_rw.h"
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| 26 |
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| 27 | #undef DBGC_CLASS
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| 28 | #define DBGC_CLASS DBGC_IDMAP
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| 29 |
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| 30 | NTSTATUS idmap_rw_new_mapping(struct idmap_domain *dom,
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| 31 | struct idmap_rw_ops *ops,
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| 32 | struct id_map *map)
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| 33 | {
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| 34 | NTSTATUS status;
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| 35 |
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| 36 | if (map == NULL) {
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| 37 | return NT_STATUS_INVALID_PARAMETER;
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| 38 | }
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| 39 |
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| 40 | if ((map->xid.type != ID_TYPE_UID) && (map->xid.type != ID_TYPE_GID)) {
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| 41 | return NT_STATUS_INVALID_PARAMETER;
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| 42 | }
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| 43 |
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| 44 | if (map->sid == NULL) {
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| 45 | return NT_STATUS_INVALID_PARAMETER;
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| 46 | }
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| 47 |
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| 48 | status = ops->get_new_id(dom, &map->xid);
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| 49 |
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| 50 | if (!NT_STATUS_IS_OK(status)) {
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| 51 | DEBUG(3, ("Could not allocate id: %s\n", nt_errstr(status)));
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| 52 | return status;
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| 53 | }
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| 54 |
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| 55 | DEBUG(10, ("Setting mapping: %s <-> %s %lu\n",
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| 56 | sid_string_dbg(map->sid),
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| 57 | (map->xid.type == ID_TYPE_UID) ? "UID" : "GID",
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| 58 | (unsigned long)map->xid.id));
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| 59 |
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| 60 | map->status = ID_MAPPED;
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| 61 | status = ops->set_mapping(dom, map);
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| 62 |
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| 63 | if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
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| 64 | struct id_map *ids[2];
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| 65 | DEBUG(5, ("Mapping for %s exists - retrying to map sid\n",
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| 66 | sid_string_dbg(map->sid)));
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| 67 | ids[0] = map;
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| 68 | ids[1] = NULL;
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| 69 | status = dom->methods->sids_to_unixids(dom, ids);
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| 70 | }
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| 71 |
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| 72 | if (!NT_STATUS_IS_OK(status)) {
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| 73 | DEBUG(3, ("Could not store the new mapping: %s\n",
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| 74 | nt_errstr(status)));
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| 75 | return status;
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| 76 | }
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| 77 |
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| 78 | return NT_STATUS_OK;
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| 79 | }
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