From ef2e26c91b80556af033d3335e55f5dfa6fff31d Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Wed, 13 Aug 2003 01:53:07 +0000
Subject: first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)
---
 source4/torture/mangle_test.c | 205 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 205 insertions(+)
 create mode 100644 source4/torture/mangle_test.c

(limited to 'source4/torture/mangle_test.c')

diff --git a/source4/torture/mangle_test.c b/source4/torture/mangle_test.c
new file mode 100644
index 0000000000..fadd884061
--- /dev/null
+++ b/source4/torture/mangle_test.c
@@ -0,0 +1,205 @@
+/* 
+   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"
+
+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;
+	char *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;
+	}
+
+	snprintf(name2, sizeof(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_by_string(tdb, shortname);
+	if (data.dptr) {
+		/* maybe its a duplicate long name? */
+		if (strcasecmp(name, data.dptr) != 0) {
+			/* 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 = name;
+		namedata.dsize = strlen(name)+1;
+		tdb_store_by_string(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) {
+		strncpy(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;
+		}
+	}
+}
+
+
+BOOL torture_mangle(int dummy)
+{
+	extern int torture_numops;
+	static struct cli_state *cli;
+	int i;
+
+	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;
+
+		gen_name(name);
+
+		if (!test_one(cli, name)) {
+			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 (failures == 0);
+}
-- 
cgit