source: vendor/3.5.0/source3/utils/dbwrap_tool.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 7.3 KB
Line 
1/*
2 Samba Unix/Linux CIFS implementation
3
4 low level TDB/CTDB tool using the dbwrap interface
5
6 Copyright (C) 2009 Michael Adam <obnox@samba.org>
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23
24extern bool AllowDebugChange;
25
26typedef enum { OP_FETCH, OP_STORE, OP_DELETE, OP_ERASE, OP_LISTKEYS } dbwrap_op;
27
28typedef enum { TYPE_INT32, TYPE_UINT32 } dbwrap_type;
29
30static int dbwrap_tool_fetch_int32(struct db_context *db,
31 const char *keyname,
32 void *data)
33{
34 int32_t value;
35
36 value = dbwrap_fetch_int32(db, keyname);
37 d_printf("%d\n", value);
38
39 return 0;
40}
41
42static int dbwrap_tool_fetch_uint32(struct db_context *db,
43 const char *keyname,
44 void *data)
45{
46 uint32_t value;
47 bool ret;
48
49 ret = dbwrap_fetch_uint32(db, keyname, &value);
50 if (ret) {
51 d_printf("%u\n", value);
52 return 0;
53 } else {
54 d_fprintf(stderr, "ERROR: could not fetch uint32 key '%s'\n",
55 keyname);
56 return -1;
57 }
58}
59
60static int dbwrap_tool_store_int32(struct db_context *db,
61 const char *keyname,
62 void *data)
63{
64 NTSTATUS status;
65 int32_t value = *((int32_t *)data);
66
67 status = dbwrap_trans_store_int32(db, keyname, value);
68
69 if (!NT_STATUS_IS_OK(status)) {
70 d_fprintf(stderr, "ERROR: could not store int32 key '%s': %s\n",
71 keyname, nt_errstr(status));
72 return -1;
73 }
74
75 return 0;
76}
77
78static int dbwrap_tool_store_uint32(struct db_context *db,
79 const char *keyname,
80 void *data)
81{
82 NTSTATUS status;
83 uint32_t value = *((uint32_t *)data);
84
85 status = dbwrap_trans_store_uint32(db, keyname, value);
86
87 if (!NT_STATUS_IS_OK(status)) {
88 d_fprintf(stderr,
89 "ERROR: could not store uint32 key '%s': %s\n",
90 keyname, nt_errstr(status));
91 return -1;
92 }
93
94 return 0;
95}
96
97static int dbwrap_tool_delete(struct db_context *db,
98 const char *keyname,
99 void *data)
100{
101 NTSTATUS status;
102
103 status = dbwrap_trans_delete_bystring(db, keyname);
104
105 if (!NT_STATUS_IS_OK(status)) {
106 d_fprintf(stderr, "ERROR deleting record %s : %s\n",
107 keyname, nt_errstr(status));
108 return -1;
109 }
110
111 return 0;
112}
113
114static int delete_fn(struct db_record *rec, void *priv)
115{
116 rec->delete_rec(rec);
117 return 0;
118}
119
120/**
121 * dbwrap_tool_erase: erase the whole data base
122 * the keyname argument is not used.
123 */
124static int dbwrap_tool_erase(struct db_context *db,
125 const char *keyname,
126 void *data)
127{
128 int ret;
129
130 ret = db->traverse(db, delete_fn, NULL);
131
132 if (ret < 0) {
133 d_fprintf(stderr, "ERROR erasing the database\n");
134 return -1;
135 }
136
137 return 0;
138}
139
140static int listkey_fn(struct db_record *rec, void *private_data)
141{
142 int length = rec->key.dsize;
143 unsigned char *p = (unsigned char *)rec->key.dptr;
144
145 while (length--) {
146 if (isprint(*p) && !strchr("\"\\", *p)) {
147 d_printf("%c", *p);
148 } else {
149 d_printf("\\%02X", *p);
150 }
151 p++;
152 }
153
154 d_printf("\n");
155
156 return 0;
157}
158
159static int dbwrap_tool_listkeys(struct db_context *db,
160 const char *keyname,
161 void *data)
162{
163 int ret;
164
165 ret = db->traverse_read(db, listkey_fn, NULL);
166
167 if (ret < 0) {
168 d_fprintf(stderr, "ERROR listing db keys\n");
169 return -1;
170 }
171
172 return 0;
173}
174
175struct dbwrap_op_dispatch_table {
176 dbwrap_op op;
177 dbwrap_type type;
178 int (*cmd)(struct db_context *db,
179 const char *keyname,
180 void *data);
181};
182
183struct dbwrap_op_dispatch_table dispatch_table[] = {
184 { OP_FETCH, TYPE_INT32, dbwrap_tool_fetch_int32 },
185 { OP_FETCH, TYPE_UINT32, dbwrap_tool_fetch_uint32 },
186 { OP_STORE, TYPE_INT32, dbwrap_tool_store_int32 },
187 { OP_STORE, TYPE_UINT32, dbwrap_tool_store_uint32 },
188 { OP_DELETE, TYPE_INT32, dbwrap_tool_delete },
189 { OP_ERASE, TYPE_INT32, dbwrap_tool_erase },
190 { OP_LISTKEYS, TYPE_INT32, dbwrap_tool_listkeys },
191 { 0, 0, NULL },
192};
193
194int main(int argc, const char **argv)
195{
196 struct tevent_context *evt_ctx;
197 struct messaging_context *msg_ctx;
198 struct db_context *db;
199
200 uint16_t count;
201
202 const char *dbname;
203 const char *opname;
204 dbwrap_op op;
205 const char *keyname = "";
206 const char *keytype = "int32";
207 dbwrap_type type;
208 const char *valuestr = "0";
209 int32_t value = 0;
210
211 TALLOC_CTX *mem_ctx = talloc_stackframe();
212
213 int ret = 1;
214
215 load_case_tables();
216 DEBUGLEVEL_CLASS[DBGC_ALL] = 0;
217 dbf = x_stderr;
218 AllowDebugChange = false;
219 lp_load(get_dyn_CONFIGFILE(), true, false, false, true);
220
221 if ((argc < 3) || (argc > 6)) {
222 d_fprintf(stderr,
223 "USAGE: %s <database> <op> [<key> [<type> [<value>]]]\n"
224 " ops: fetch, store, delete, erase, listkeys\n"
225 " types: int32, uint32\n",
226 argv[0]);
227 goto done;
228 }
229
230 dbname = argv[1];
231 opname = argv[2];
232
233 if (strcmp(opname, "store") == 0) {
234 if (argc != 6) {
235 d_fprintf(stderr, "ERROR: operation 'store' requires "
236 "value argument\n");
237 goto done;
238 }
239 valuestr = argv[5];
240 keytype = argv[4];
241 keyname = argv[3];
242 op = OP_STORE;
243 } else if (strcmp(opname, "fetch") == 0) {
244 if (argc != 5) {
245 d_fprintf(stderr, "ERROR: operation 'fetch' requires "
246 "type but not value argument\n");
247 goto done;
248 }
249 op = OP_FETCH;
250 keytype = argv[4];
251 keyname = argv[3];
252 } else if (strcmp(opname, "delete") == 0) {
253 if (argc != 4) {
254 d_fprintf(stderr, "ERROR: operation 'delete' does "
255 "not allow type nor value argument\n");
256 goto done;
257 }
258 keyname = argv[3];
259 op = OP_DELETE;
260 } else if (strcmp(opname, "erase") == 0) {
261 if (argc != 3) {
262 d_fprintf(stderr, "ERROR: operation 'erase' does "
263 "not take a key argument\n");
264 goto done;
265 }
266 op = OP_ERASE;
267 } else if (strcmp(opname, "listkeys") == 0) {
268 if (argc != 3) {
269 d_fprintf(stderr, "ERROR: operation 'listkeys' does "
270 "not take a key argument\n");
271 goto done;
272 }
273 op = OP_LISTKEYS;
274 } else {
275 d_fprintf(stderr,
276 "ERROR: invalid op '%s' specified\n"
277 " supported ops: fetch, store, delete\n",
278 opname);
279 goto done;
280 }
281
282 if (strcmp(keytype, "int32") == 0) {
283 type = TYPE_INT32;
284 value = (int32_t)strtol(valuestr, NULL, 10);
285 } else if (strcmp(keytype, "uint32") == 0) {
286 type = TYPE_UINT32;
287 value = (int32_t)strtoul(valuestr, NULL, 10);
288 } else {
289 d_fprintf(stderr, "ERROR: invalid type '%s' specified.\n"
290 " supported types: int32, uint32\n",
291 keytype);
292 goto done;
293 }
294
295 evt_ctx = tevent_context_init(mem_ctx);
296 if (evt_ctx == NULL) {
297 d_fprintf(stderr, "ERROR: could not init event context\n");
298 goto done;
299 }
300
301 msg_ctx = messaging_init(mem_ctx, server_id_self(), evt_ctx);
302 if (msg_ctx == NULL) {
303 d_fprintf(stderr, "ERROR: could not init messaging context\n");
304 goto done;
305 }
306
307 db = db_open(mem_ctx, dbname, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0644);
308 if (db == NULL) {
309 d_fprintf(stderr, "ERROR: could not open dbname\n");
310 goto done;
311 }
312
313 for (count = 0; dispatch_table[count].cmd != NULL; count++) {
314 if ((op == dispatch_table[count].op) &&
315 (type == dispatch_table[count].type))
316 {
317 ret = dispatch_table[count].cmd(db, keyname, &value);
318 break;
319 }
320 }
321
322done:
323 TALLOC_FREE(mem_ctx);
324 return ret;
325}
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