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 2 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, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 static TDB_CONTEXT *tdb;
25 #define NAME_LENGTH 20
27 static unsigned total, collisions, failures;
29 static BOOL test_one(struct cli_state *cli, const char *name)
39 fnum = cli_open(cli, name, O_RDWR|O_CREAT|O_EXCL, DENY_NONE);
41 printf("open of %s failed (%s)\n", name, cli_errstr(cli));
45 if (!cli_close(cli, fnum)) {
46 printf("close of %s failed (%s)\n", name, cli_errstr(cli));
50 /* get the short name */
51 status = cli_qpathinfo_alt_name(cli, name, shortname);
52 if (!NT_STATUS_IS_OK(status)) {
53 printf("query altname of %s failed (%s)\n", name, cli_errstr(cli));
57 fstr_sprintf(name2, "\\mangle_test\\%s", shortname);
58 if (!cli_unlink(cli, name2)) {
59 printf("unlink of %s (%s) failed (%s)\n",
60 name2, name, cli_errstr(cli));
64 /* recreate by short name */
65 fnum = cli_open(cli, name2, O_RDWR|O_CREAT|O_EXCL, DENY_NONE);
67 printf("open2 of %s failed (%s)\n", name2, cli_errstr(cli));
70 if (!cli_close(cli, fnum)) {
71 printf("close of %s failed (%s)\n", name, cli_errstr(cli));
75 /* and unlink by long name */
76 if (!cli_unlink(cli, name)) {
77 printf("unlink2 of %s (%s) failed (%s)\n",
78 name, name2, cli_errstr(cli));
80 cli_unlink(cli, name2);
84 /* see if the short name is already in the tdb */
85 data = tdb_fetch_bystring(tdb, shortname);
87 /* maybe its a duplicate long name? */
88 if (!strequal(name, data.dptr)) {
89 /* we have a collision */
91 printf("Collision between %s and %s -> %s "
92 " (coll/tot: %u/%u)\n",
93 name, data.dptr, shortname, collisions, total);
98 /* store it for later */
100 namedata.dsize = strlen(name)+1;
101 tdb_store_bystring(tdb, shortname, namedata, TDB_REPLACE);
108 static void gen_name(char *name)
110 const char *chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz._-$~... ";
111 unsigned max_idx = strlen(chars);
116 fstrcpy(name, "\\mangle_test\\");
117 p = name + strlen(name);
119 len = 1 + random() % NAME_LENGTH;
121 for (i=0;i<len;i++) {
122 p[i] = chars[random() % max_idx];
127 if (strcmp(p, ".") == 0 || strcmp(p, "..") == 0) {
131 /* have a high probability of a common lead char */
132 if (random() % 2 == 0) {
136 /* and a medium probability of a common lead string */
137 if (random() % 10 == 0) {
138 if (strlen(p) <= 5) {
141 /* try not to kill off the null termination */
142 memcpy(p, "ABCDE", 5);
146 /* and a high probability of a good extension length */
147 if (random() % 2 == 0) {
148 char *s = strrchr(p, '.');
156 BOOL torture_mangle(int dummy)
158 extern int torture_numops;
159 static struct cli_state *cli;
163 printf("starting mangle test\n");
165 if (!torture_open_connection(&cli)) {
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 cli_unlink(cli, "\\mangle_test\\*");
177 cli_rmdir(cli, "\\mangle_test");
179 if (!cli_mkdir(cli, "\\mangle_test")) {
180 printf("ERROR: Failed to make directory\n");
184 for (i=0;i<torture_numops;i++) {
190 if (!test_one(cli, name)) {
194 if (total && total % 100 == 0) {
195 printf("collisions %u/%u - %.2f%% (%u failures)\r",
196 collisions, total, (100.0*collisions) / total, failures);
200 cli_unlink(cli, "\\mangle_test\\*");
201 if (!cli_rmdir(cli, "\\mangle_test")) {
202 printf("ERROR: Failed to remove directory\n");
206 printf("\nTotal collisions %u/%u - %.2f%% (%u failures)\n",
207 collisions, total, (100.0*collisions) / total, failures);
209 torture_close_connection(cli);
211 printf("mangle test finished\n");
212 return (ret && (failures == 0));