Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 593 insertions, 0 deletions

diff --git a/source3/utils/dbwrap_tool.c b/source3/utils/dbwrap_tool.c
new file mode 100644
index 0000000..eb97d64
--- /dev/null
+++ b/source3/utils/dbwrap_tool.c
@@ -0,0 +1,593 @@
+/*
+   Samba Unix/Linux CIFS implementation
+
+   low level TDB/CTDB tool using the dbwrap interface
+
+   Copyright (C) 2009 Michael Adam <obnox@samba.org>
+   Copyright (C) 2011 Bjoern Baumbach <bb@sernet.de>
+
+   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 "includes.h"
+#include "system/filesys.h"
+#include "lib/cmdline/cmdline.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_open.h"
+#include "messages.h"
+#include "util_tdb.h"
+#include "cmdline_contexts.h"
+#include "lib/param/param.h"
+
+enum dbwrap_op { OP_FETCH, OP_STORE, OP_DELETE, OP_ERASE, OP_LISTKEYS,
+		 OP_EXISTS };
+
+enum dbwrap_type { TYPE_INT32, TYPE_UINT32, TYPE_STRING, TYPE_HEX, TYPE_NONE };
+
+static int dbwrap_tool_fetch_int32(struct db_context *db,
+				   const char *keyname,
+				   const char *data)
+{
+	int32_t value;
+	NTSTATUS status;
+
+	status = dbwrap_fetch_int32_bystring(db, keyname, &value);
+	if (!NT_STATUS_IS_OK(status)) {
+		d_printf("Error fetching int32 from key '%s': %s\n",
+			 keyname, nt_errstr(status));
+		return -1;
+	}
+	d_printf("%d\n", value);
+
+	return 0;
+}
+
+static int dbwrap_tool_fetch_uint32(struct db_context *db,
+				    const char *keyname,
+				    const char *data)
+{
+	uint32_t value;
+	NTSTATUS ret;
+
+	ret = dbwrap_fetch_uint32_bystring(db, keyname, &value);
+	if (NT_STATUS_IS_OK(ret)) {
+		d_printf("%u\n", value);
+		return 0;
+	} else {
+		d_fprintf(stderr, "ERROR: could not fetch uint32 key '%s': "
+			  "%s\n", nt_errstr(ret), keyname);
+		return -1;
+	}
+}
+
+static int dbwrap_tool_fetch_string(struct db_context *db,
+				    const char *keyname,
+				    const char *data)
+{
+	TDB_DATA tdbdata;
+	NTSTATUS status;
+	TALLOC_CTX *tmp_ctx = talloc_stackframe();
+	int ret;
+
+	status = dbwrap_fetch_bystring(db, tmp_ctx, keyname, &tdbdata);
+	if (NT_STATUS_IS_OK(status)) {
+		d_printf("%-*.*s\n", (int)tdbdata.dsize, (int)tdbdata.dsize,
+			 tdbdata.dptr);
+		ret = 0;
+	} else {
+		d_fprintf(stderr, "ERROR: could not fetch string key '%s': "
+			  "%s\n", nt_errstr(status), keyname);
+		ret = -1;
+	}
+
+	talloc_free(tmp_ctx);
+	return ret;
+}
+
+static int dbwrap_tool_fetch_hex(struct db_context *db,
+				 const char *keyname,
+				 const char *data)
+{
+	TDB_DATA tdbdata;
+	DATA_BLOB datablob;
+	NTSTATUS status;
+	TALLOC_CTX *tmp_ctx = talloc_stackframe();
+	char *hex_string;
+	int ret;
+
+	status = dbwrap_fetch_bystring(db, tmp_ctx, keyname, &tdbdata);
+	if (NT_STATUS_IS_OK(status)) {
+	        datablob.data = tdbdata.dptr;
+		datablob.length = tdbdata.dsize;
+
+		hex_string = data_blob_hex_string_upper(tmp_ctx, &datablob);
+		if (hex_string == NULL) {
+			d_fprintf(stderr, "ERROR: could not get hex string "
+				  "from data blob\n");
+			ret = -1;
+		} else {
+			d_printf("%s\n", hex_string);
+			ret =  0;
+		}
+	} else {
+		d_fprintf(stderr, "ERROR: could not fetch hex key '%s': "
+			  "%s\n", nt_errstr(status), keyname);
+		ret = -1;
+	}
+
+	talloc_free(tmp_ctx);
+	return ret;
+}
+
+static int dbwrap_tool_store_int32(struct db_context *db,
+				   const char *keyname,
+				   const char *data)
+{
+	NTSTATUS status;
+	int32_t value = (int32_t)strtol(data, NULL, 10);
+
+	if (dbwrap_is_persistent(db)) {
+		status = dbwrap_trans_store_int32_bystring(db, keyname, value);
+	} else {
+		status = dbwrap_store_int32_bystring(db, keyname, value);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		d_fprintf(stderr, "ERROR: could not store int32 key '%s': %s\n",
+			  keyname, nt_errstr(status));
+		return -1;
+	}
+
+	return 0;
+}
+
+static int dbwrap_tool_store_uint32(struct db_context *db,
+				    const char *keyname,
+				    const char *data)
+{
+	NTSTATUS status;
+	uint32_t value = (uint32_t)strtol(data, NULL, 10);
+
+	if (dbwrap_is_persistent(db)) {
+		status = dbwrap_trans_store_uint32_bystring(db, keyname, value);
+	} else {
+		status = dbwrap_store_uint32_bystring(db, keyname, value);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		d_fprintf(stderr,
+			  "ERROR: could not store uint32 key '%s': %s\n",
+			  keyname, nt_errstr(status));
+		return -1;
+	}
+
+	return 0;
+}
+
+static int dbwrap_tool_store_string(struct db_context *db,
+				    const char *keyname,
+				    const char *data)
+{
+	NTSTATUS status;
+	TDB_DATA tdbdata;
+
+	tdbdata = string_term_tdb_data(data);
+
+	if (dbwrap_is_persistent(db)) {
+		status = dbwrap_trans_store_bystring(db, keyname,
+						     tdbdata,
+						     TDB_REPLACE);
+	} else {
+		status = dbwrap_store_bystring(db, keyname,
+					      tdbdata,
+					      TDB_REPLACE);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		d_fprintf(stderr,
+			  "ERROR: could not store string key '%s': %s\n",
+			  keyname, nt_errstr(status));
+		return -1;
+	}
+
+	return 0;
+}
+
+static int dbwrap_tool_store_hex(struct db_context *db,
+				    const char *keyname,
+				    const char *data)
+{
+	NTSTATUS status;
+	DATA_BLOB datablob;
+	TDB_DATA tdbdata;
+	TALLOC_CTX *tmp_ctx = talloc_stackframe();
+
+	datablob = strhex_to_data_blob(tmp_ctx, data);
+	if(strlen(data) > 0 && datablob.length == 0) {
+		d_fprintf(stderr,
+			  "ERROR: could not convert hex string to data blob\n"
+			  "       Not a valid hex string?\n");
+		talloc_free(tmp_ctx);
+		return -1;
+	}
+
+	tdbdata.dptr = (unsigned char *)datablob.data;
+	tdbdata.dsize = datablob.length;
+
+	if (dbwrap_is_persistent(db)) {
+		status = dbwrap_trans_store_bystring(db, keyname,
+						     tdbdata,
+						     TDB_REPLACE);
+	} else {
+		status = dbwrap_store_bystring(db, keyname,
+					       tdbdata,
+					       TDB_REPLACE);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		d_fprintf(stderr,
+			  "ERROR: could not store string key '%s': %s\n",
+			  keyname, nt_errstr(status));
+		talloc_free(tmp_ctx);
+		return -1;
+	}
+
+	talloc_free(tmp_ctx);
+	return 0;
+}
+
+static int dbwrap_tool_delete(struct db_context *db,
+			      const char *keyname,
+			      const char *data)
+{
+	NTSTATUS status;
+
+	if (dbwrap_is_persistent(db)) {
+		status = dbwrap_trans_delete_bystring(db, keyname);
+	} else {
+		status = dbwrap_delete_bystring(db, keyname);
+	}
+
+	if (!NT_STATUS_IS_OK(status)) {
+		d_fprintf(stderr, "ERROR deleting record %s : %s\n",
+			  keyname, nt_errstr(status));
+		return -1;
+	}
+
+	return 0;
+}
+
+static int dbwrap_tool_exists(struct db_context *db,
+			      const char *keyname,
+			      const char *data)
+{
+	bool result;
+
+	result = dbwrap_exists(db, string_term_tdb_data(keyname));
+
+	if (result) {
+		d_fprintf(stdout, "Key %s exists\n", keyname);
+	} else {
+		d_fprintf(stdout, "Key %s does not exist\n", keyname);
+	}
+
+	return (result)?0:1;
+}
+
+/**
+ * dbwrap_tool_erase: erase the whole data base
+ * the keyname argument is not used.
+ */
+static int dbwrap_tool_erase(struct db_context *db,
+			     const char *keyname,
+			     const char *data)
+{
+	int ret;
+
+	ret = dbwrap_wipe(db);
+
+	if (ret != 0) {
+		d_fprintf(stderr, "ERROR erasing the database\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int listkey_fn(struct db_record *rec, void *private_data)
+{
+	TDB_DATA key = dbwrap_record_get_key(rec);
+	size_t length = key.dsize;
+	unsigned char *p = (unsigned char *)key.dptr;
+
+	while (length--) {
+		if (isprint(*p) && !strchr("\"\\", *p)) {
+			d_printf("%c", *p);
+		} else {
+			d_printf("\\%02X", *p);
+		}
+		p++;
+	}
+
+	d_printf("\n");
+
+	return 0;
+}
+
+static int dbwrap_tool_listkeys(struct db_context *db,
+				const char *keyname,
+				const char *data)
+{
+	NTSTATUS status;
+
+	status = dbwrap_traverse_read(db, listkey_fn, NULL, NULL);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		d_fprintf(stderr, "ERROR listing db keys\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+struct dbwrap_op_dispatch_table {
+	enum dbwrap_op op;
+	enum dbwrap_type type;
+	int (*cmd)(struct db_context *db,
+		   const char *keyname,
+		   const char *data);
+};
+
+struct dbwrap_op_dispatch_table dispatch_table[] = {
+	{ OP_FETCH,  TYPE_INT32,  dbwrap_tool_fetch_int32 },
+	{ OP_FETCH,  TYPE_UINT32, dbwrap_tool_fetch_uint32 },
+	{ OP_FETCH,  TYPE_STRING, dbwrap_tool_fetch_string },
+	{ OP_FETCH,  TYPE_HEX,    dbwrap_tool_fetch_hex },
+	{ OP_STORE,  TYPE_INT32,  dbwrap_tool_store_int32 },
+	{ OP_STORE,  TYPE_UINT32, dbwrap_tool_store_uint32 },
+	{ OP_STORE,  TYPE_STRING, dbwrap_tool_store_string },
+	{ OP_STORE,  TYPE_HEX,    dbwrap_tool_store_hex },
+	{ OP_DELETE, TYPE_INT32,  dbwrap_tool_delete },
+	{ OP_ERASE,  TYPE_INT32,  dbwrap_tool_erase },
+	{ OP_LISTKEYS, TYPE_INT32, dbwrap_tool_listkeys },
+	{ OP_EXISTS, TYPE_STRING, dbwrap_tool_exists },
+	{ 0, 0, NULL },
+};
+
+int main(int argc, const char **argv)
+{
+	struct tevent_context *evt_ctx;
+	struct messaging_context *msg_ctx;
+	struct db_context *db;
+
+	uint16_t count;
+
+	const char *dbname;
+	const char *opname;
+	enum dbwrap_op op;
+	const char *keyname = "";
+	const char *keytype = "int32";
+	enum dbwrap_type type;
+	const char *valuestr = "0";
+	int persistent = 0;
+	int non_persistent = 0;
+	int tdb_flags = TDB_DEFAULT;
+
+	TALLOC_CTX *mem_ctx = talloc_stackframe();
+	struct loadparm_context *lp_ctx = NULL;
+
+	int ret = 1;
+	bool ok;
+
+	struct poptOption popt_options[] = {
+		POPT_AUTOHELP
+		POPT_COMMON_SAMBA
+		{ "non-persistent", 0, POPT_ARG_NONE, &non_persistent, 0,
+		  "treat the database as non-persistent "
+		  "(CAVEAT: This mode might wipe your database!)",
+		  NULL },
+		{ "persistent", 0, POPT_ARG_NONE, &persistent, 0,
+		  "treat the database as persistent",
+		  NULL },
+		POPT_COMMON_VERSION
+		POPT_TABLEEND
+	};
+	int opt;
+	const char **extra_argv;
+	int extra_argc = 0;
+	poptContext pc;
+
+	smb_init_locale();
+
+	setup_logging(argv[0], DEBUG_DEFAULT_STDERR);
+
+	ok = samba_cmdline_init(mem_ctx,
+				SAMBA_CMDLINE_CONFIG_CLIENT,
+				false /* require_smbconf */);
+	if (!ok) {
+		DBG_ERR("Failed to init cmdline parser!\n");
+		TALLOC_FREE(mem_ctx);
+		exit(1);
+	}
+	lp_ctx = samba_cmdline_get_lp_ctx();
+	lpcfg_set_cmdline(lp_ctx, "log level", "0");
+
+	pc = samba_popt_get_context(getprogname(),
+				    argc,
+				    argv,
+				    popt_options,
+				    POPT_CONTEXT_KEEP_FIRST);
+	if (!ok) {
+		DBG_ERR("Failed to setup popt context!\n");
+		TALLOC_FREE(mem_ctx);
+		exit(1);
+	}
+
+	while ((opt = poptGetNextOpt(pc)) != -1) {
+		switch (opt) {
+		default:
+			fprintf(stderr, "Invalid option %s: %s\n",
+				poptBadOption(pc, 0), poptStrerror(opt));
+			goto done;
+		}
+	}
+
+	/* setup the remaining options for the main program to use */
+	extra_argv = poptGetArgs(pc);
+	if (extra_argv) {
+		extra_argv++;
+		while (extra_argv[extra_argc]) extra_argc++;
+	}
+
+	if ((extra_argc < 2) || (extra_argc > 5)) {
+		d_fprintf(stderr,
+			  "USAGE: %s [options] <database> <op> [<key> [<type> "
+			  "[<value>]]]\n"
+			  "       ops: fetch, store, delete, exists, "
+			  "erase, listkeys\n"
+			  "       types: int32, uint32, string, hex\n",
+			 argv[0]);
+		goto done;
+	}
+
+	if ((persistent + non_persistent) != 1) {
+		d_fprintf(stderr, "ERROR: you must specify exactly one "
+			  "of --persistent and --non-persistent\n");
+		goto done;
+	}
+	if (non_persistent == 1) {
+		tdb_flags |= TDB_CLEAR_IF_FIRST;
+	}
+
+	dbname = extra_argv[0];
+	opname = extra_argv[1];
+
+	if (strcmp(opname, "store") == 0) {
+		if (extra_argc != 5) {
+			d_fprintf(stderr, "ERROR: operation 'store' requires "
+				  "value argument\n");
+			goto done;
+		}
+		valuestr = extra_argv[4];
+		keytype = extra_argv[3];
+		keyname = extra_argv[2];
+		op = OP_STORE;
+	} else if (strcmp(opname, "fetch") == 0) {
+		if (extra_argc != 4) {
+			d_fprintf(stderr, "ERROR: operation 'fetch' requires "
+				  "type but not value argument\n");
+			goto done;
+		}
+		op = OP_FETCH;
+		keytype = extra_argv[3];
+		keyname = extra_argv[2];
+	} else if (strcmp(opname, "delete") == 0) {
+		if (extra_argc != 3) {
+			d_fprintf(stderr, "ERROR: operation 'delete' does "
+				  "not allow type nor value argument\n");
+			goto done;
+		}
+		keyname = extra_argv[2];
+		op = OP_DELETE;
+	} else if (strcmp(opname, "erase") == 0) {
+		if (extra_argc != 2) {
+			d_fprintf(stderr, "ERROR: operation 'erase' does "
+				  "not take a key argument\n");
+			goto done;
+		}
+		op = OP_ERASE;
+	} else if (strcmp(opname, "listkeys") == 0) {
+		if (extra_argc != 2) {
+			d_fprintf(stderr, "ERROR: operation 'listkeys' does "
+				  "not take a key argument\n");
+			goto done;
+		}
+		op = OP_LISTKEYS;
+	} else if (strcmp(opname, "exists") == 0) {
+		if (extra_argc != 3) {
+			d_fprintf(stderr, "ERROR: operation 'exists' does "
+				  "not allow type nor value argument\n");
+			goto done;
+		}
+		keyname = extra_argv[2];
+		op = OP_EXISTS;
+		keytype = "string";
+	} else {
+		d_fprintf(stderr,
+			  "ERROR: invalid op '%s' specified\n"
+			  "       supported ops: fetch, store, delete, exists, "
+			  "erase, listkeys\n",
+			  opname);
+		goto done;
+	}
+
+	if (strcmp(keytype, "int32") == 0) {
+		type = TYPE_INT32;
+	} else if (strcmp(keytype, "uint32") == 0) {
+		type = TYPE_UINT32;
+	} else if (strcmp(keytype, "string") == 0) {
+		type = TYPE_STRING;
+	} else if (strcmp(keytype, "hex") == 0) {
+		type = TYPE_HEX;
+	} else if (strcmp(keytype, "none") == 0) {
+		type = TYPE_NONE;
+	} else {
+		d_fprintf(stderr, "ERROR: invalid type '%s' specified.\n"
+				  "       supported types: int32, uint32, "
+				  "string, hex, none\n",
+				  keytype);
+		goto done;
+	}
+
+	evt_ctx = samba_tevent_context_init(mem_ctx);
+	if (evt_ctx == NULL) {
+		d_fprintf(stderr, "ERROR: could not init event context\n");
+		goto done;
+	}
+
+	msg_ctx = messaging_init(mem_ctx, evt_ctx);
+	if (msg_ctx == NULL) {
+		d_fprintf(stderr, "ERROR: could not init messaging context\n");
+		goto done;
+	}
+
+	switch (op) {
+	case OP_FETCH:
+	case OP_STORE:
+	case OP_DELETE:
+	case OP_ERASE:
+	case OP_LISTKEYS:
+	case OP_EXISTS:
+		db = db_open(mem_ctx, dbname, 0, tdb_flags, O_RDWR | O_CREAT,
+			     0644, DBWRAP_LOCK_ORDER_1, DBWRAP_FLAG_NONE);
+		if (db == NULL) {
+			d_fprintf(stderr, "ERROR: could not open dbname\n");
+			goto done;
+		}
+		break;
+	default:
+		db = NULL;
+		break;
+	}
+
+	for (count = 0; dispatch_table[count].cmd != NULL; count++) {
+		if ((op == dispatch_table[count].op) &&
+		    (type == dispatch_table[count].type))
+		{
+			ret = dispatch_table[count].cmd(db, keyname, valuestr);
+			break;
+		}
+	}
+
+done:
+	poptFreeContext(pc);
+	TALLOC_FREE(mem_ctx);
+	return ret;
+}