2 Samba Unix/Linux SMB client library
3 Distributed SMB/CIFS Server Management Utility
4 Copyright (C) 2003 Andrew Bartlett (abartlet@samba.org)
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21 #include "../utils/net.h"
24 /***********************************************************
25 Helper function for net_idmap_dump. Dump one entry.
26 **********************************************************/
27 static int net_idmap_dump_one_entry(TDB_CONTEXT
*tdb
,
32 if (strcmp(key
.dptr
, "USER HWM") == 0) {
33 printf("USER HWM %d\n", IVAL(data
.dptr
,0));
37 if (strcmp(key
.dptr
, "GROUP HWM") == 0) {
38 printf("GROUP HWM %d\n", IVAL(data
.dptr
,0));
42 if (strncmp(key
.dptr
, "S-", 2) != 0)
45 printf("%s %s\n", data
.dptr
, key
.dptr
);
49 /***********************************************************
50 Dump the current idmap
51 **********************************************************/
52 static int net_idmap_dump(int argc
, const char **argv
)
54 TDB_CONTEXT
*idmap_tdb
;
57 return net_help_idmap( argc
, argv
);
59 idmap_tdb
= tdb_open_log(argv
[0], 0, TDB_DEFAULT
, O_RDONLY
, 0);
61 if (idmap_tdb
== NULL
) {
62 d_printf("Could not open idmap: %s\n", argv
[0]);
66 tdb_traverse(idmap_tdb
, net_idmap_dump_one_entry
, NULL
);
73 /***********************************************************
74 Fix up the HWMs after a idmap restore.
75 **********************************************************/
83 static int net_idmap_find_max_id(TDB_CONTEXT
*tdb
, TDB_DATA key
, TDB_DATA data
,
86 struct hwms
*hwms
= (struct hwms
*)handle
;
90 if (strncmp(key
.dptr
, "S-", 2) != 0)
93 if (sscanf(data
.dptr
, "GID %d", &id
) == 1) {
94 idptr
= &hwms
->group_hwm
;
97 if (sscanf(data
.dptr
, "UID %d", &id
) == 1) {
98 idptr
= &hwms
->user_hwm
;
102 d_printf("Illegal idmap entry: [%s]->[%s]\n",
103 key
.dptr
, data
.dptr
);
114 static NTSTATUS
net_idmap_fixup_hwm(void)
116 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
117 TDB_CONTEXT
*idmap_tdb
;
118 char *tdbfile
= NULL
;
124 if (!lp_idmap_uid(&hwms
.user_hwm
, &highest
.user_hwm
) ||
125 !lp_idmap_gid(&hwms
.group_hwm
, &highest
.group_hwm
)) {
126 d_printf("idmap range missing\n");
127 return NT_STATUS_UNSUCCESSFUL
;
130 tdbfile
= strdup(lock_path("winbindd_idmap.tdb"));
132 DEBUG(0, ("idmap_init: out of memory!\n"));
133 return NT_STATUS_NO_MEMORY
;
136 idmap_tdb
= tdb_open_log(tdbfile
, 0, TDB_DEFAULT
, O_RDWR
, 0);
138 if (idmap_tdb
== NULL
) {
139 d_printf("Could not open idmap: %s\n", tdbfile
);
140 return NT_STATUS_NO_SUCH_FILE
;
145 tdb_traverse(idmap_tdb
, net_idmap_find_max_id
, &hwms
);
151 d_printf("USER HWM: %d GROUP HWM: %d\n",
152 hwms
.user_hwm
, hwms
.group_hwm
);
154 if (hwms
.user_hwm
>= highest
.user_hwm
) {
155 d_printf("Highest UID out of uid range\n");
159 if (hwms
.group_hwm
>= highest
.group_hwm
) {
160 d_printf("Highest GID out of gid range\n");
164 if ((tdb_store_int32(idmap_tdb
, "USER HWM", hwms
.user_hwm
) != 0) ||
165 (tdb_store_int32(idmap_tdb
, "GROUP HWM", hwms
.group_hwm
) != 0)) {
166 d_printf("Could not store HWMs\n");
170 result
= NT_STATUS_OK
;
172 tdb_close(idmap_tdb
);
176 /***********************************************************
177 Write entries from stdin to current local idmap
178 **********************************************************/
179 static int net_idmap_restore(int argc
, const char **argv
)
181 if (!idmap_init(lp_idmap_backend())) {
182 d_printf("Could not init idmap\n");
186 while (!feof(stdin
)) {
187 fstring line
, sid_string
;
193 if (fgets(line
, sizeof(line
)-1, stdin
) == NULL
)
198 if ( (len
> 0) && (line
[len
-1] == '\n') )
201 /* Yuck - this is broken for sizeof(gid_t) != sizeof(int) */
203 if (sscanf(line
, "GID %d %s", &id
.gid
, sid_string
) == 2) {
207 /* Yuck - this is broken for sizeof(uid_t) != sizeof(int) */
209 if (sscanf(line
, "UID %d %s", &id
.uid
, sid_string
) == 2) {
213 if (type
== ID_EMPTY
) {
214 d_printf("ignoring invalid line [%s]\n", line
);
218 if (!string_to_sid(&sid
, sid_string
)) {
219 d_printf("ignoring invalid sid [%s]\n", sid_string
);
223 if (!NT_STATUS_IS_OK(idmap_set_mapping(&sid
, id
, type
))) {
224 d_printf("Could not set mapping of %s %lu to sid %s\n",
225 (type
== ID_GROUPID
) ? "GID" : "UID",
226 (type
== ID_GROUPID
) ? (unsigned long)id
.gid
:
227 (unsigned long)id
.uid
,
228 sid_string_static(&sid
));
236 return NT_STATUS_IS_OK(net_idmap_fixup_hwm()) ? 0 : -1;
239 int net_help_idmap(int argc
, const char **argv
)
241 d_printf("net idmap dump filename"\
242 "\n Dump current id mapping\n");
244 d_printf("net idmap restore"\
245 "\n Restore entries from stdin to current local idmap\n");
250 /***********************************************************
251 Look at the current idmap
252 **********************************************************/
253 int net_idmap(int argc
, const char **argv
)
255 struct functable func
[] = {
256 {"dump", net_idmap_dump
},
257 {"restore", net_idmap_restore
},
258 {"help", net_help_idmap
},
262 return net_run_function(argc
, argv
, func
, net_help_idmap
);