--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ SMB torture tester - mangling test
+ Copyright (C) Andrew Tridgell 2002
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+extern int torture_numops;
+
+static TDB_CONTEXT *tdb;
+
+#define NAME_LENGTH 20
+
+static unsigned total, collisions, failures;
+
+static BOOL test_one(struct cli_state *cli, const char *name)
+{
+ int fnum;
+ fstring shortname;
+ fstring name2;
+ NTSTATUS status;
+ TDB_DATA data;
+
+ total++;
+
+ fnum = cli_open(cli, name, O_RDWR|O_CREAT|O_EXCL, DENY_NONE);
+ if (fnum == -1) {
+ printf("open of %s failed (%s)\n", name, cli_errstr(cli));
+ return False;
+ }
+
+ if (!cli_close(cli, fnum)) {
+ printf("close of %s failed (%s)\n", name, cli_errstr(cli));
+ return False;
+ }
+
+ /* get the short name */
+ status = cli_qpathinfo_alt_name(cli, name, shortname);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("query altname of %s failed (%s)\n", name, cli_errstr(cli));
+ return False;
+ }
+
+ fstr_sprintf(name2, "\\mangle_test\\%s", shortname);
+ if (!cli_unlink(cli, name2)) {
+ printf("unlink of %s (%s) failed (%s)\n",
+ name2, name, cli_errstr(cli));
+ return False;
+ }
+
+ /* recreate by short name */
+ fnum = cli_open(cli, name2, O_RDWR|O_CREAT|O_EXCL, DENY_NONE);
+ if (fnum == -1) {
+ printf("open2 of %s failed (%s)\n", name2, cli_errstr(cli));
+ return False;
+ }
+ if (!cli_close(cli, fnum)) {
+ printf("close of %s failed (%s)\n", name, cli_errstr(cli));
+ return False;
+ }
+
+ /* and unlink by long name */
+ if (!cli_unlink(cli, name)) {
+ printf("unlink2 of %s (%s) failed (%s)\n",
+ name, name2, cli_errstr(cli));
+ failures++;
+ cli_unlink(cli, name2);
+ return True;
+ }
+
+ /* see if the short name is already in the tdb */
+ data = tdb_fetch_bystring(tdb, shortname);
+ if (data.dptr) {
+ /* maybe its a duplicate long name? */
+ if (!strequal(name, data.dptr)) {
+ /* we have a collision */
+ collisions++;
+ printf("Collision between %s and %s -> %s "
+ " (coll/tot: %u/%u)\n",
+ name, data.dptr, shortname, collisions, total);
+ }
+ free(data.dptr);
+ } else {
+ TDB_DATA namedata;
+ /* store it for later */
+ namedata.dptr = CONST_DISCARD(char *, name);
+ namedata.dsize = strlen(name)+1;
+ tdb_store_bystring(tdb, shortname, namedata, TDB_REPLACE);
+ }
+
+ return True;
+}
+
+
+static void gen_name(char *name)
+{
+ const char *chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz._-$~... ";
+ unsigned max_idx = strlen(chars);
+ unsigned len;
+ int i;
+ char *p;
+
+ fstrcpy(name, "\\mangle_test\\");
+ p = name + strlen(name);
+
+ len = 1 + random() % NAME_LENGTH;
+
+ for (i=0;i<len;i++) {
+ p[i] = chars[random() % max_idx];
+ }
+
+ p[i] = 0;
+
+ if (strcmp(p, ".") == 0 || strcmp(p, "..") == 0) {
+ p[0] = '_';
+ }
+
+ /* have a high probability of a common lead char */
+ if (random() % 2 == 0) {
+ p[0] = 'A';
+ }
+
+ /* and a medium probability of a common lead string */
+ if (random() % 10 == 0) {
+ if (strlen(p) <= 5) {
+ fstrcpy(p, "ABCDE");
+ } else {
+ /* try not to kill off the null termination */
+ memcpy(p, "ABCDE", 5);
+ }
+ }
+
+ /* and a high probability of a good extension length */
+ if (random() % 2 == 0) {
+ char *s = strrchr(p, '.');
+ if (s) {
+ s[4] = 0;
+ }
+ }
+
+ /* ..... and a 100% proability of a file not ending in "." */
+ if (p[strlen(p)-1] == '.')
+ p[strlen(p)-1] = '_';
+}
+
+
+BOOL torture_mangle(int dummy)
+{
+ static struct cli_state *cli;
+ int i;
+ BOOL ret = True;
+
+ printf("starting mangle test\n");
+
+ if (!torture_open_connection(&cli)) {
+ return False;
+ }
+
+ /* we will use an internal tdb to store the names we have used */
+ tdb = tdb_open(NULL, 100000, TDB_INTERNAL, 0, 0);
+ if (!tdb) {
+ printf("ERROR: Failed to open tdb\n");
+ return False;
+ }
+
+ cli_unlink(cli, "\\mangle_test\\*");
+ cli_rmdir(cli, "\\mangle_test");
+
+ if (!cli_mkdir(cli, "\\mangle_test")) {
+ printf("ERROR: Failed to make directory\n");
+ return False;
+ }
+
+ for (i=0;i<torture_numops;i++) {
+ fstring name;
+ ZERO_STRUCT(name);
+
+ gen_name(name);
+
+ if (!test_one(cli, name)) {
+ ret = False;
+ break;
+ }
+ if (total && total % 100 == 0) {
+ printf("collisions %u/%u - %.2f%% (%u failures)\r",
+ collisions, total, (100.0*collisions) / total, failures);
+ }
+ }
+
+ cli_unlink(cli, "\\mangle_test\\*");
+ if (!cli_rmdir(cli, "\\mangle_test")) {
+ printf("ERROR: Failed to remove directory\n");
+ return False;
+ }
+
+ printf("\nTotal collisions %u/%u - %.2f%% (%u failures)\n",
+ collisions, total, (100.0*collisions) / total, failures);
+
+ torture_close_connection(cli);
+
+ printf("mangle test finished\n");
+ return (ret && (failures == 0));
+}
projects / samba / blobdiff