2 tdb2restore -- 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 <sys/types.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, struct 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 bool read_rec(FILE *f, struct tdb_context *tdb, int *eof)
143 struct tdb_data key, data;
150 if (swallow(f, "{\n", eof) == -1) {
153 length = read_linehead(f);
157 if (read_data(f, &key, length) == -1) {
160 if (swallow(f, "\"\n", NULL) == -1) {
163 length = read_linehead(f);
167 if (read_data(f, &data, length) == -1) {
170 if ((swallow(f, "\"\n", NULL) == -1)
171 || (swallow(f, "}\n", NULL) == -1)) {
174 e = tdb_store(tdb, key, data, TDB_INSERT);
175 if (e != TDB_SUCCESS) {
176 fprintf(stderr, "TDB error: %s\n", tdb_errorstr(e));
187 static int restore_tdb(const char *fname)
189 struct tdb_context *tdb;
191 tdb = tdb_open(fname, 0, O_RDWR|O_CREAT|O_EXCL, 0666, NULL);
194 fprintf(stderr, "Failed to open %s\n", fname);
200 if (!read_rec(stdin, tdb, &eof)) {
207 if (tdb_close(tdb)) {
208 fprintf(stderr, "Error closing tdb\n");
211 fprintf(stderr, "EOF\n");
215 int main(int argc, char *argv[])
220 printf("Usage: %s dbname < tdbdump_output\n", argv[0]);
226 return restore_tdb(fname);