From bd8128271ad96c97ddaf5c86915a981ddbff86c6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 18:49:38 +0200
Subject: Adding upstream version 1.4.10.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/tdbrestore.c | 202 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 202 insertions(+)
 create mode 100644 tools/tdbrestore.c

(limited to 'tools/tdbrestore.c')

diff --git a/tools/tdbrestore.c b/tools/tdbrestore.c
new file mode 100644
index 0000000..1435758
--- /dev/null
+++ b/tools/tdbrestore.c
@@ -0,0 +1,202 @@
+/*
+   tdbrestore -- construct a tdb from tdbdump output.
+   Copyright (C) Volker Lendecke		2010
+   Copyright (C) Simon McVittie			2005
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include <assert.h>
+#include "system/locale.h"
+#include "system/time.h"
+#include "system/filesys.h"
+#include "system/wait.h"
+#include "tdb.h"
+
+static int read_linehead(FILE *f)
+{
+	size_t i;
+	int c;
+	int num_bytes;
+	char prefix[128];
+
+	while (1) {
+		c = getc(f);
+		if (c == EOF) {
+			return -1;
+		}
+		if (c == '(') {
+			break;
+		}
+	}
+	for (i=0; i<sizeof(prefix); i++) {
+		c = getc(f);
+		if (c == EOF) {
+			return -1;
+		}
+		prefix[i] = c;
+		if (c == '"') {
+			break;
+		}
+	}
+	if (i == sizeof(prefix)) {
+		return -1;
+	}
+	prefix[i] = '\0';
+
+	if (sscanf(prefix, "%d) = ", &num_bytes) != 1) {
+		return -1;
+	}
+	return num_bytes;
+}
+
+static int read_data(FILE *f, TDB_DATA *d, size_t size) {
+	size_t i;
+
+	d->dptr = (unsigned char *)malloc(size);
+	if (d->dptr == NULL) {
+		return -1;
+	}
+	d->dsize = size;
+
+	for (i=0; i<size; i++) {
+		int c = getc(f);
+		if (c == EOF) {
+			fprintf(stderr, "Unexpected EOF in data\n");
+			return 1;
+		} else if (c == '"') {
+			return 0;
+		} else if (c == '\\') {
+			char in[3] = {0};
+			size_t n;
+			bool ok;
+
+			n = fread(in, 1, 2, stdin);
+			if (n != 2) {
+				return -1;
+			}
+			ok = hex_byte(in, &d->dptr[i]);
+			if (!ok) {
+				fprintf(stderr, "Invalid hex: .2%s\n", in);
+				return -1;
+			}
+		} else {
+			d->dptr[i] = c;
+		}
+	}
+	return 0;
+}
+
+static int swallow(FILE *f, const char *s, int *eof)
+{
+	char line[128];
+
+	if (fgets(line, sizeof(line), f) == NULL) {
+		if (eof != NULL) {
+			*eof = 1;
+		}
+		return -1;
+	}
+	if (strcmp(line, s) != 0) {
+		return -1;
+	}
+	return 0;
+}
+
+static int read_rec(FILE *f, TDB_CONTEXT *tdb, int *eof)
+{
+	int length;
+	TDB_DATA key, data;
+	int ret = -1;
+
+	key.dptr = NULL;
+	data.dptr = NULL;
+
+	if (swallow(f, "{\n", eof) == -1) {
+		goto fail;
+	}
+	length = read_linehead(f);
+	if (length == -1) {
+		goto fail;
+	}
+	if (read_data(f, &key, length) == -1) {
+		goto fail;
+	}
+	if (swallow(f, "\"\n", NULL) == -1) {
+		goto fail;
+	}
+	length = read_linehead(f);
+	if (length == -1) {
+		goto fail;
+	}
+	if (read_data(f, &data, length) == -1) {
+		goto fail;
+	}
+	if ((swallow(f, "\"\n", NULL) == -1)
+	    || (swallow(f, "}\n", NULL) == -1)) {
+		goto fail;
+	}
+	if (tdb_store(tdb, key, data, TDB_INSERT) != 0) {
+		fprintf(stderr, "TDB error: %s\n", tdb_errorstr(tdb));
+		goto fail;
+	}
+
+	ret = 0;
+fail:
+	free(key.dptr);
+	free(data.dptr);
+	return ret;
+}
+
+static int restore_tdb(const char *fname)
+{
+	TDB_CONTEXT *tdb;
+
+	tdb = tdb_open(fname, 0, 0, O_RDWR|O_CREAT|O_EXCL, 0666);
+	if (!tdb) {
+		perror("tdb_open");
+		fprintf(stderr, "Failed to open %s\n", fname);
+		return 1;
+	}
+
+	while (1) {
+		int eof = 0;
+		if (read_rec(stdin, tdb, &eof) == -1) {
+			if (eof) {
+				break;
+			}
+			return 1;
+		}
+	}
+	if (tdb_close(tdb)) {
+		fprintf(stderr, "Error closing tdb\n");
+		return 1;
+	}
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	char *fname;
+
+	if (argc < 2) {
+		printf("Usage: %s dbname < tdbdump_output\n", argv[0]);
+		exit(1);
+	}
+
+	fname = argv[1];
+
+	return restore_tdb(fname);
+}
-- 
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