locktest.c

samba-3.0.22.tar.gz 编译smb服务器的源码

/* 
   Unix SMB/CIFS implementation.
   randomised byte range lock tester
   Copyright (C) Andrew Tridgell 1999
   
   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 fstring password[2];
static fstring username[2];
static int got_user;
static int got_pass;
static BOOL use_kerberos;
static int numops = 1000;
static BOOL showall;
static BOOL analyze;
static BOOL hide_unlock_fails;
static BOOL use_oplocks;
static unsigned lock_range = 100;
static unsigned lock_base = 0;
static unsigned min_length = 0;
static BOOL exact_error_codes;
static BOOL zero_zero;

#define FILENAME "\\locktest.dat"

#define READ_PCT 50
#define LOCK_PCT 45
#define UNLOCK_PCT 70
#define RANGE_MULTIPLE 1
#define NSERVERS 2
#define NCONNECTIONS 2
#define NFILES 2
#define LOCK_TIMEOUT 0

#define NASTY_POSIX_LOCK_HACK 0

enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};

struct record {
	enum lock_op lock_op;
	enum brl_type lock_type;
	char conn, f;
	SMB_BIG_UINT start, len;
	char needed;
};

#define PRESETS 0

#if PRESETS
static struct record preset[] = {
{OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
{OP_UNLOCK, 0       , 0, 0, 2, 0, 1},
{OP_REOPEN, 0, 0, 0, 0, 0, 1},

{OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
{OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
{OP_REOPEN, 0, 0, 0, 0, 0, 1},

{OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
{OP_REOPEN, 0, 0, 0, 0, 0, 1},

{OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
{OP_REOPEN, 0, 0, 0, 0, 0, 1},

{OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
{OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
{OP_REOPEN, 0, 0, 0, 0, 0, 1},

{OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
{OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
{OP_REOPEN, 0, 0, 0, 0, 0, 1},

};
#endif

static struct record *recorded;

static void print_brl(SMB_DEV_T dev, SMB_INO_T ino, struct process_id pid, 
		      enum brl_type lock_type,
		      br_off start, br_off size)
{
#if NASTY_POSIX_LOCK_HACK
	{
		pstring cmd;
		static SMB_INO_T lastino;

		if (lastino != ino) {
			slprintf(cmd, sizeof(cmd), 
				 "egrep POSIX.*%u /proc/locks", (int)ino);
			system(cmd);
		}
		lastino = ino;
	}
#endif

	printf("%s   %05x:%05x    %s  %.0f:%.0f(%.0f)\n", 
	       procid_str_static(&pid), (int)dev, (int)ino, 
	       lock_type==READ_LOCK?"R":"W",
	       (double)start, (double)start+size-1,(double)size);

}


static void show_locks(void)
{
	brl_forall(print_brl);
	/* system("cat /proc/locks"); */
}


/***************************************************** 
return a connection to a server
*******************************************************/
static struct cli_state *connect_one(char *share, int snum)
{
	struct cli_state *c;
	struct nmb_name called, calling;
	char *server_n;
	fstring server;
	struct in_addr ip;
	fstring myname;
	static int count;

	fstrcpy(server,share+2);
	share = strchr_m(server,'\\');
	if (!share) return NULL;
	*share = 0;
	share++;

	server_n = server;
	
        zero_ip(&ip);

	slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);

	make_nmb_name(&calling, myname, 0x0);
	make_nmb_name(&called , server, 0x20);

 again:
        zero_ip(&ip);

	/* have to open a new connection */
	if (!(c=cli_initialise(NULL)) || !cli_connect(c, server_n, &ip)) {
		DEBUG(0,("Connection to %s failed\n", server_n));
		return NULL;
	}

	c->use_kerberos = use_kerberos;

	if (!cli_session_request(c, &calling, &called)) {
		DEBUG(0,("session request to %s failed\n", called.name));
		cli_shutdown(c);
		if (strcmp(called.name, "*SMBSERVER")) {
			make_nmb_name(&called , "*SMBSERVER", 0x20);
			goto again;
		}
		return NULL;
	}

	DEBUG(4,(" session request ok\n"));

	if (!cli_negprot(c)) {
		DEBUG(0,("protocol negotiation failed\n"));
		cli_shutdown(c);
		return NULL;
	}

	if (!got_pass) {
		char *pass = getpass("Password: ");
		if (pass) {
			fstrcpy(password[0], pass);
			fstrcpy(password[1], pass);
		}
	}

	if (got_pass == 1) {
		fstrcpy(password[1], password[0]);
		fstrcpy(username[1], username[0]);
	}

	if (!cli_session_setup(c, username[snum], 
			       password[snum], strlen(password[snum]),
			       password[snum], strlen(password[snum]),
			       lp_workgroup())) {
		DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
		return NULL;
	}

	/*
	 * These next two lines are needed to emulate
	 * old client behaviour for people who have
	 * scripts based on client output.
	 * QUESTION ? Do we want to have a 'client compatibility
	 * mode to turn these on/off ? JRA.
	 */

	if (*c->server_domain || *c->server_os || *c->server_type)
		DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
			c->server_domain,c->server_os,c->server_type));
	
	DEBUG(4,(" session setup ok\n"));

	if (!cli_send_tconX(c, share, "?????",
			    password[snum], strlen(password[snum])+1)) {
		DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
		cli_shutdown(c);
		return NULL;
	}

	DEBUG(4,(" tconx ok\n"));

	c->use_oplocks = use_oplocks;

	return c;
}


static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], int fnum[NSERVERS][NCONNECTIONS][NFILES],
		      char *share[NSERVERS])
{
	int server, conn, f;

	for (server=0;server<NSERVERS;server++)
	for (conn=0;conn<NCONNECTIONS;conn++) {
		if (cli[server][conn]) {
			for (f=0;f<NFILES;f++) {
				if (fnum[server][conn][f] != -1) {
					cli_close(cli[server][conn], fnum[server][conn][f]);
					fnum[server][conn][f] = -1;
				}
			}
			cli_ulogoff(cli[server][conn]);
			cli_shutdown(cli[server][conn]);
		}
		cli[server][conn] = connect_one(share[server], server);
		if (!cli[server][conn]) {
			DEBUG(0,("Failed to connect to %s\n", share[server]));
			exit(1);
		}
	}
}



static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
		     int fnum[NSERVERS][NCONNECTIONS][NFILES],
		     struct record *rec)
{
	unsigned conn = rec->conn;
	unsigned f = rec->f;
	SMB_BIG_UINT start = rec->start;
	SMB_BIG_UINT len = rec->len;
	enum brl_type op = rec->lock_type;
	int server;
	BOOL ret[NSERVERS];
	NTSTATUS status[NSERVERS];

	switch (rec->lock_op) {
	case OP_LOCK:
		/* set a lock */
		for (server=0;server<NSERVERS;server++) {
			ret[server] = cli_lock64(cli[server][conn], 
						 fnum[server][conn][f],
						 start, len, LOCK_TIMEOUT, op);
			status[server] = cli_nt_error(cli[server][conn]);
			if (!exact_error_codes && 
			    NT_STATUS_EQUAL(status[server], 
					    NT_STATUS_FILE_LOCK_CONFLICT)) {
				status[server] = NT_STATUS_LOCK_NOT_GRANTED;
			}
		}
		if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
			printf("lock   conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
			       conn, f, 
			       (double)start, (double)len,
			       op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
			       nt_errstr(status[0]), nt_errstr(status[1]));
		}
		if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
		if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
		break;
		
	case OP_UNLOCK:
		/* unset a lock */
		for (server=0;server<NSERVERS;server++) {
			ret[server] = cli_unlock64(cli[server][conn], 
						   fnum[server][conn][f],
						   start, len);
			status[server] = cli_nt_error(cli[server][conn]);
		}
		if (showall || 
		    (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
			printf("unlock conn=%u f=%u range=%.0f(%.0f)       -> %s:%s\n",
			       conn, f, 
			       (double)start, (double)len,
			       nt_errstr(status[0]), nt_errstr(status[1]));
		}
		if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
		if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1])) 
			return False;
		break;

	case OP_REOPEN:
		/* reopen the file */
		for (server=0;server<NSERVERS;server++) {
			cli_close(cli[server][conn], fnum[server][conn][f]);
			fnum[server][conn][f] = -1;
		}
		for (server=0;server<NSERVERS;server++) {
			fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
							 O_RDWR|O_CREAT,
							 DENY_NONE);
			if (fnum[server][conn][f] == -1) {
				printf("failed to reopen on share%d\n", server);
				return False;