2 Unix SMB/CIFS implementation.
3 SMB torture tester - mangling test
4 Copyright (C) Andrew Tridgell 2002
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/>.
21 #include "torture/torture.h"
22 #include "system/filesys.h"
23 #include "system/dir.h"
24 #include "lib/tdb/include/tdb.h"
25 #include "lib/util/util_tdb.h"
26 #include "libcli/libcli.h"
27 #include "torture/util.h"
29 static TDB_CONTEXT *tdb;
31 #define NAME_LENGTH 20
33 static uint_t total, collisions, failures;
35 static bool test_one(struct torture_context *tctx ,struct smbcli_state *cli,
39 const char *shortname;
46 fnum = smbcli_open(cli->tree, name, O_RDWR|O_CREAT|O_EXCL, DENY_NONE);
48 printf("open of %s failed (%s)\n", name, smbcli_errstr(cli->tree));
52 if (NT_STATUS_IS_ERR(smbcli_close(cli->tree, fnum))) {
53 printf("close of %s failed (%s)\n", name, smbcli_errstr(cli->tree));
57 /* get the short name */
58 status = smbcli_qpathinfo_alt_name(cli->tree, name, &shortname);
59 if (!NT_STATUS_IS_OK(status)) {
60 printf("query altname of %s failed (%s)\n", name, smbcli_errstr(cli->tree));
64 name2 = talloc_asprintf(tctx, "\\mangle_test\\%s", shortname);
65 if (NT_STATUS_IS_ERR(smbcli_unlink(cli->tree, name2))) {
66 printf("unlink of %s (%s) failed (%s)\n",
67 name2, name, smbcli_errstr(cli->tree));
71 /* recreate by short name */
72 fnum = smbcli_open(cli->tree, name2, O_RDWR|O_CREAT|O_EXCL, DENY_NONE);
74 printf("open2 of %s failed (%s)\n", name2, smbcli_errstr(cli->tree));
77 if (NT_STATUS_IS_ERR(smbcli_close(cli->tree, fnum))) {
78 printf("close of %s failed (%s)\n", name, smbcli_errstr(cli->tree));
82 /* and unlink by long name */
83 if (NT_STATUS_IS_ERR(smbcli_unlink(cli->tree, name))) {
84 printf("unlink2 of %s (%s) failed (%s)\n",
85 name, name2, smbcli_errstr(cli->tree));
87 smbcli_unlink(cli->tree, name2);
91 /* see if the short name is already in the tdb */
92 data = tdb_fetch_bystring(tdb, shortname);
94 /* maybe its a duplicate long name? */
95 if (strcasecmp(name, (const char *)data.dptr) != 0) {
96 /* we have a collision */
98 printf("Collision between %s and %s -> %s "
99 " (coll/tot: %u/%u)\n",
100 name, data.dptr, shortname, collisions, total);
105 /* store it for later */
106 namedata.dptr = discard_const_p(uint8_t, name);
107 namedata.dsize = strlen(name)+1;
108 tdb_store_bystring(tdb, shortname, namedata, TDB_REPLACE);
115 static char *gen_name(TALLOC_CTX *mem_ctx)
117 const char *chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz._-$~...";
118 uint_t max_idx = strlen(chars);
124 name = talloc_strdup(mem_ctx, "\\mangle_test\\");
126 len = 1 + random() % NAME_LENGTH;
128 name = talloc_realloc(mem_ctx, name, char, strlen(name) + len + 6);
129 p = name + strlen(name);
131 for (i=0;i<len;i++) {
132 p[i] = chars[random() % max_idx];
137 if (ISDOT(p) || ISDOTDOT(p)) {
141 /* have a high probability of a common lead char */
142 if (random() % 2 == 0) {
146 /* and a medium probability of a common lead string */
147 if ((len > 5) && (random() % 10 == 0)) {
148 strncpy(p, "ABCDE", 5);
151 /* and a high probability of a good extension length */
152 if (random() % 2 == 0) {
153 char *s = strrchr(p, '.');
163 bool torture_mangle(struct torture_context *torture,
164 struct smbcli_state *cli)
166 extern int torture_numops;
169 /* we will use an internal tdb to store the names we have used */
170 tdb = tdb_open(NULL, 100000, TDB_INTERNAL, 0, 0);
172 printf("ERROR: Failed to open tdb\n");
176 if (!torture_setup_dir(cli, "\\mangle_test")) {
180 for (i=0;i<torture_numops;i++) {
183 name = gen_name(torture);
185 if (!test_one(torture, cli, name)) {
188 if (total && total % 100 == 0) {
189 if (torture_setting_bool(torture, "progress", true)) {
190 printf("collisions %u/%u - %.2f%% (%u failures)\r",
191 collisions, total, (100.0*collisions) / total, failures);
196 smbcli_unlink(cli->tree, "\\mangle_test\\*");
197 if (NT_STATUS_IS_ERR(smbcli_rmdir(cli->tree, "\\mangle_test"))) {
198 printf("ERROR: Failed to remove directory\n");
202 printf("\nTotal collisions %u/%u - %.2f%% (%u failures)\n",
203 collisions, total, (100.0*collisions) / total, failures);
205 return (failures == 0);