| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | idmap PASSDB backend
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| 5 |
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| 6 | Copyright (C) Simo Sorce 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 | #undef DBGC_CLASS
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| 26 | #define DBGC_CLASS DBGC_IDMAP
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| 27 |
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| 28 | /*****************************
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| 29 | Initialise idmap database.
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| 30 | *****************************/
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| 31 |
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| 32 | static NTSTATUS idmap_pdb_init(struct idmap_domain *dom)
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| 33 | {
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| 34 | dom->initialized = True;
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| 35 | return NT_STATUS_OK;
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| 36 | }
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| 37 |
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| 38 | /**********************************
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| 39 | lookup a set of unix ids.
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| 40 | **********************************/
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| 41 |
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| 42 | static NTSTATUS idmap_pdb_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
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| 43 | {
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| 44 | int i;
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| 45 |
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| 46 | if (! dom->initialized) {
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| 47 | return NT_STATUS_UNSUCCESSFUL;
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| 48 | }
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| 49 |
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| 50 | for (i = 0; ids[i]; i++) {
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| 51 |
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| 52 | /* unmapped by default */
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| 53 | ids[i]->status = ID_UNMAPPED;
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| 54 |
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| 55 | switch (ids[i]->xid.type) {
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| 56 | case ID_TYPE_UID:
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| 57 | if (pdb_uid_to_sid((uid_t)ids[i]->xid.id, ids[i]->sid)) {
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| 58 | ids[i]->status = ID_MAPPED;
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| 59 | }
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| 60 | break;
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| 61 | case ID_TYPE_GID:
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| 62 | if (pdb_gid_to_sid((gid_t)ids[i]->xid.id, ids[i]->sid)) {
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| 63 | ids[i]->status = ID_MAPPED;
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| 64 | }
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| 65 | break;
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| 66 | default: /* ?? */
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| 67 | ids[i]->status = ID_UNKNOWN;
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | return NT_STATUS_OK;
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| 72 | }
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| 73 |
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| 74 | /**********************************
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| 75 | lookup a set of sids.
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| 76 | **********************************/
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| 77 |
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| 78 | static NTSTATUS idmap_pdb_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
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| 79 | {
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| 80 | int i;
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| 81 |
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| 82 | if (! dom->initialized) {
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| 83 | return NT_STATUS_UNSUCCESSFUL;
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| 84 | }
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| 85 |
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| 86 | for (i = 0; ids[i]; i++) {
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| 87 | enum lsa_SidType type;
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| 88 | union unid_t id;
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| 89 |
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| 90 | if (pdb_sid_to_id(ids[i]->sid, &id, &type)) {
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| 91 | switch (type) {
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| 92 | case SID_NAME_USER:
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| 93 | ids[i]->xid.id = id.uid;
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| 94 | ids[i]->xid.type = ID_TYPE_UID;
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| 95 | ids[i]->status = ID_MAPPED;
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| 96 | break;
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| 97 |
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| 98 | case SID_NAME_DOM_GRP:
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| 99 | case SID_NAME_ALIAS:
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| 100 | case SID_NAME_WKN_GRP:
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| 101 | ids[i]->xid.id = id.gid;
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| 102 | ids[i]->xid.type = ID_TYPE_GID;
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| 103 | ids[i]->status = ID_MAPPED;
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| 104 | break;
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| 105 |
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| 106 | default: /* ?? */
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| 107 | /* make sure it is marked as unmapped */
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| 108 | ids[i]->status = ID_UNKNOWN;
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| 109 | break;
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| 110 | }
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| 111 | } else {
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| 112 | /* Query Failed */
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| 113 | ids[i]->status = ID_UNMAPPED;
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| 114 | }
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| 115 | }
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| 116 |
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| 117 | return NT_STATUS_OK;
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| 118 | }
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| 119 |
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| 120 | /**********************************
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| 121 | Close the idmap tdb instance
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| 122 | **********************************/
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| 123 |
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| 124 | static NTSTATUS idmap_pdb_close(struct idmap_domain *dom)
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| 125 | {
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| 126 | return NT_STATUS_OK;
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| 127 | }
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| 128 |
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| 129 | static struct idmap_methods passdb_methods = {
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| 130 |
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| 131 | .init = idmap_pdb_init,
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| 132 | .unixids_to_sids = idmap_pdb_unixids_to_sids,
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| 133 | .sids_to_unixids = idmap_pdb_sids_to_unixids,
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| 134 | .close_fn =idmap_pdb_close
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| 135 | };
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| 136 |
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| 137 | NTSTATUS idmap_passdb_init(void)
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| 138 | {
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| 139 | return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "passdb", &passdb_methods);
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| 140 | }
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