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Unix SMB/CIFS implementation.
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SMB torture tester - mangling test
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Copyright (C) Andrew Tridgell 2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "torture/torture.h"
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#include "system/filesys.h"
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#include "system/dir.h"
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#include "../tdb/include/tdb.h"
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#include "../lib/util/util_tdb.h"
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#include "libcli/libcli.h"
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#include "torture/util.h"
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static TDB_CONTEXT *tdb;
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#define NAME_LENGTH 20
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static uint_t total, collisions, failures;
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static bool test_one(struct torture_context *tctx ,struct smbcli_state *cli,
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const char *shortname;
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fnum = smbcli_open(cli->tree, name, O_RDWR|O_CREAT|O_EXCL, DENY_NONE);
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printf("open of %s failed (%s)\n", name, smbcli_errstr(cli->tree));
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if (NT_STATUS_IS_ERR(smbcli_close(cli->tree, fnum))) {
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printf("close of %s failed (%s)\n", name, smbcli_errstr(cli->tree));
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/* get the short name */
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status = smbcli_qpathinfo_alt_name(cli->tree, name, &shortname);
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if (!NT_STATUS_IS_OK(status)) {
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printf("query altname of %s failed (%s)\n", name, smbcli_errstr(cli->tree));
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name2 = talloc_asprintf(tctx, "\\mangle_test\\%s", shortname);
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if (NT_STATUS_IS_ERR(smbcli_unlink(cli->tree, name2))) {
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printf("unlink of %s (%s) failed (%s)\n",
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name2, name, smbcli_errstr(cli->tree));
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/* recreate by short name */
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fnum = smbcli_open(cli->tree, name2, O_RDWR|O_CREAT|O_EXCL, DENY_NONE);
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printf("open2 of %s failed (%s)\n", name2, smbcli_errstr(cli->tree));
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if (NT_STATUS_IS_ERR(smbcli_close(cli->tree, fnum))) {
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printf("close of %s failed (%s)\n", name, smbcli_errstr(cli->tree));
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/* and unlink by long name */
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if (NT_STATUS_IS_ERR(smbcli_unlink(cli->tree, name))) {
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printf("unlink2 of %s (%s) failed (%s)\n",
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name, name2, smbcli_errstr(cli->tree));
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smbcli_unlink(cli->tree, name2);
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/* see if the short name is already in the tdb */
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data = tdb_fetch_bystring(tdb, shortname);
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/* maybe its a duplicate long name? */
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if (strcasecmp(name, (const char *)data.dptr) != 0) {
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/* we have a collision */
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printf("Collision between %s and %s -> %s "
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" (coll/tot: %u/%u)\n",
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name, data.dptr, shortname, collisions, total);
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/* store it for later */
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namedata.dptr = discard_const_p(uint8_t, name);
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namedata.dsize = strlen(name)+1;
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tdb_store_bystring(tdb, shortname, namedata, TDB_REPLACE);
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static char *gen_name(TALLOC_CTX *mem_ctx)
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const char *chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz._-$~...";
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uint_t max_idx = strlen(chars);
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name = talloc_strdup(mem_ctx, "\\mangle_test\\");
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len = 1 + random() % NAME_LENGTH;
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name = talloc_realloc(mem_ctx, name, char, strlen(name) + len + 6);
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p = name + strlen(name);
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for (i=0;i<len;i++) {
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p[i] = chars[random() % max_idx];
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if (ISDOT(p) || ISDOTDOT(p)) {
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/* have a high probability of a common lead char */
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if (random() % 2 == 0) {
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/* and a medium probability of a common lead string */
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if ((len > 5) && (random() % 10 == 0)) {
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strncpy(p, "ABCDE", 5);
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/* and a high probability of a good extension length */
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if (random() % 2 == 0) {
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char *s = strrchr(p, '.');
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bool torture_mangle(struct torture_context *torture,
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struct smbcli_state *cli)
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extern int torture_numops;
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/* we will use an internal tdb to store the names we have used */
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tdb = tdb_open(NULL, 100000, TDB_INTERNAL, 0, 0);
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printf("ERROR: Failed to open tdb\n");
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if (!torture_setup_dir(cli, "\\mangle_test")) {
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for (i=0;i<torture_numops;i++) {
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name = gen_name(torture);
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if (!test_one(torture, cli, name)) {
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if (total && total % 100 == 0) {
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if (torture_setting_bool(torture, "progress", true)) {
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printf("collisions %u/%u - %.2f%% (%u failures)\r",
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collisions, total, (100.0*collisions) / total, failures);
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smbcli_unlink(cli->tree, "\\mangle_test\\*");
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if (NT_STATUS_IS_ERR(smbcli_rmdir(cli->tree, "\\mangle_test"))) {
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printf("ERROR: Failed to remove directory\n");
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printf("\nTotal collisions %u/%u - %.2f%% (%u failures)\n",
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collisions, total, (100.0*collisions) / total, failures);
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return (failures == 0);