2 tdbrestore -- construct a tdb from tdbdump output.
3 Copyright (C) Volker Lendecke 2010
4 Copyright (C) Simon McVittie 2005
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 3 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, see <http://www.gnu.org/licenses/>.
22 #include "system/locale.h"
23 #include "system/time.h"
24 #include "system/filesys.h"
25 #include "system/wait.h"
28 #define debug_fprintf(file, fmt, ...) do {/*nothing*/} while (0)
30 static int read_linehead(FILE *f)
45 for (i=0; i<sizeof(prefix); i++) {
55 if (i == sizeof(prefix)) {
60 if (sscanf(prefix, "%d) = ", &num_bytes) != 1) {
66 static int read_hex(void) {
70 fprintf(stderr, "Unexpected EOF in data\n");
72 } else if (c == '"') {
73 fprintf(stderr, "Unexpected \\\" sequence\n");
75 } else if ('0' <= c && c <= '9') {
77 } else if ('A' <= c && c <= 'F') {
79 } else if ('a' <= c && c <= 'f') {
82 fprintf(stderr, "Invalid hex: %c\n", c);
87 static int read_data(FILE *f, TDB_DATA *d, size_t size) {
91 d->dptr = (unsigned char *)malloc(size);
92 if (d->dptr == NULL) {
97 for (i=0; i<size; i++) {
100 fprintf(stderr, "Unexpected EOF in data\n");
102 } else if (c == '"') {
104 } else if (c == '\\') {
110 assert(high == (high & 0xf0));
115 assert(low == (low & 0x0f));
116 d->dptr[i] = (low|high);
124 static int swallow(FILE *f, const char *s, int *eof)
128 if (fgets(line, sizeof(line), f) == NULL) {
134 if (strcmp(line, s) != 0) {
140 static int read_rec(FILE *f, TDB_CONTEXT *tdb, int *eof)
149 if (swallow(f, "{\n", eof) == -1) {
152 length = read_linehead(f);
156 if (read_data(f, &key, length) == -1) {
159 if (swallow(f, "\"\n", NULL) == -1) {
162 length = read_linehead(f);
166 if (read_data(f, &data, length) == -1) {
169 if ((swallow(f, "\"\n", NULL) == -1)
170 || (swallow(f, "}\n", NULL) == -1)) {
173 if (tdb_store(tdb, key, data, TDB_INSERT) != 0) {
174 fprintf(stderr, "TDB error: %s\n", tdb_errorstr(tdb));
185 static int restore_tdb(const char *fname)
189 tdb = tdb_open(fname, 0, 0, O_RDWR|O_CREAT|O_EXCL, 0666);
192 fprintf(stderr, "Failed to open %s\n", fname);
198 if (read_rec(stdin, tdb, &eof) == -1) {
205 if (tdb_close(tdb)) {
206 fprintf(stderr, "Error closing tdb\n");
212 int main(int argc, char *argv[])
217 printf("Usage: %s dbname < tdbdump_output\n", argv[0]);
223 return restore_tdb(fname);