source: vendor/3.6.23/source3/utils/dbwrap_tool.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 7.6 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#include "system/filesys.h"
24#include "dbwrap.h"
25#include "messages.h"
26
27typedef enum { OP_FETCH, OP_STORE, OP_DELETE, OP_ERASE, OP_LISTKEYS } dbwrap_op;
28
29typedef enum { TYPE_INT32, TYPE_UINT32 } dbwrap_type;
30
31static int dbwrap_tool_fetch_int32(struct db_context *db,
32 const char *keyname,
33 void *data)
34{
35 int32_t value;
36
37 value = dbwrap_fetch_int32(db, keyname);
38 d_printf("%d\n", value);
39
40 return 0;
41}
42
43static int dbwrap_tool_fetch_uint32(struct db_context *db,
44 const char *keyname,
45 void *data)
46{
47 uint32_t value;
48 bool ret;
49
50 ret = dbwrap_fetch_uint32(db, keyname, &value);
51 if (ret) {
52 d_printf("%u\n", value);
53 return 0;
54 } else {
55 d_fprintf(stderr, "ERROR: could not fetch uint32 key '%s'\n",
56 keyname);
57 return -1;
58 }
59}
60
61static int dbwrap_tool_store_int32(struct db_context *db,
62 const char *keyname,
63 void *data)
64{
65 NTSTATUS status;
66 int32_t value = *((int32_t *)data);
67
68 status = dbwrap_trans_store_int32(db, keyname, value);
69
70 if (!NT_STATUS_IS_OK(status)) {
71 d_fprintf(stderr, "ERROR: could not store int32 key '%s': %s\n",
72 keyname, nt_errstr(status));
73 return -1;
74 }
75
76 return 0;
77}
78
79static int dbwrap_tool_store_uint32(struct db_context *db,
80 const char *keyname,
81 void *data)
82{
83 NTSTATUS status;
84 uint32_t value = *((uint32_t *)data);
85
86 status = dbwrap_trans_store_uint32(db, keyname, value);
87
88 if (!NT_STATUS_IS_OK(status)) {
89 d_fprintf(stderr,
90 "ERROR: could not store uint32 key '%s': %s\n",
91 keyname, nt_errstr(status));
92 return -1;
93 }
94
95 return 0;
96}
97
98static int dbwrap_tool_delete(struct db_context *db,
99 const char *keyname,
100 void *data)
101{
102 NTSTATUS status;
103
104 status = dbwrap_trans_delete_bystring(db, keyname);
105
106 if (!NT_STATUS_IS_OK(status)) {
107 d_fprintf(stderr, "ERROR deleting record %s : %s\n",
108 keyname, nt_errstr(status));
109 return -1;
110 }
111
112 return 0;
113}
114
115static int delete_fn(struct db_record *rec, void *priv)
116{
117 rec->delete_rec(rec);
118 return 0;
119}
120
121/**
122 * dbwrap_tool_erase: erase the whole data base
123 * the keyname argument is not used.
124 */
125static int dbwrap_tool_erase(struct db_context *db,
126 const char *keyname,
127 void *data)
128{
129 int ret;
130
131 ret = db->traverse(db, delete_fn, NULL);
132
133 if (ret < 0) {
134 d_fprintf(stderr, "ERROR erasing the database\n");
135 return -1;
136 }
137
138 return 0;
139}
140
141static int listkey_fn(struct db_record *rec, void *private_data)
142{
143 int length = rec->key.dsize;
144 unsigned char *p = (unsigned char *)rec->key.dptr;
145
146 while (length--) {
147 if (isprint(*p) && !strchr("\"\\", *p)) {
148 d_printf("%c", *p);
149 } else {
150 d_printf("\\%02X", *p);
151 }
152 p++;
153 }
154
155 d_printf("\n");
156
157 return 0;
158}
159
160static int dbwrap_tool_listkeys(struct db_context *db,
161 const char *keyname,
162 void *data)
163{
164 int ret;
165
166 ret = db->traverse_read(db, listkey_fn, NULL);
167
168 if (ret < 0) {
169 d_fprintf(stderr, "ERROR listing db keys\n");
170 return -1;
171 }
172
173 return 0;
174}
175
176struct dbwrap_op_dispatch_table {
177 dbwrap_op op;
178 dbwrap_type type;
179 int (*cmd)(struct db_context *db,
180 const char *keyname,
181 void *data);
182};
183
184struct dbwrap_op_dispatch_table dispatch_table[] = {
185 { OP_FETCH, TYPE_INT32, dbwrap_tool_fetch_int32 },
186 { OP_FETCH, TYPE_UINT32, dbwrap_tool_fetch_uint32 },
187 { OP_STORE, TYPE_INT32, dbwrap_tool_store_int32 },
188 { OP_STORE, TYPE_UINT32, dbwrap_tool_store_uint32 },
189 { OP_DELETE, TYPE_INT32, dbwrap_tool_delete },
190 { OP_ERASE, TYPE_INT32, dbwrap_tool_erase },
191 { OP_LISTKEYS, TYPE_INT32, dbwrap_tool_listkeys },
192 { 0, 0, NULL },
193};
194
195int main(int argc, const char **argv)
196{
197 struct tevent_context *evt_ctx;
198 struct messaging_context *msg_ctx;
199 struct db_context *db;
200
201 uint16_t count;
202
203 const char *dbname;
204 const char *opname;
205 dbwrap_op op;
206 const char *keyname = "";
207 const char *keytype = "int32";
208 dbwrap_type type;
209 const char *valuestr = "0";
210 int32_t value = 0;
211
212 TALLOC_CTX *mem_ctx = talloc_stackframe();
213
214 int ret = 1;
215
216 load_case_tables();
217 lp_set_cmdline("log level", "0");
218 setup_logging(argv[0], DEBUG_STDERR);
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, procid_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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