mirror of
https://github.com/samba-team/samba.git
synced 2025-01-13 13:18:06 +03:00
a7820eb9af
(This used to be commit 89e7199445
)
531 lines
11 KiB
C
531 lines
11 KiB
C
/*
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Unix SMB/Netbios implementation.
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Version 2.0
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mask_match tester
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Copyright (C) Andrew Tridgell 1999
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define NO_SYSLOG
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#include "includes.h"
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static fstring password;
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static fstring username;
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static fstring workgroup;
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static int got_pass;
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static int numops = 1000;
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static BOOL showall;
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static BOOL analyze;
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#define FILENAME "locktest.dat"
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#define LOCKRANGE 100
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#define READ_PCT 50
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#define LOCK_PCT 25
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#define UNLOCK_PCT 65
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#define RANGE_MULTIPLE 32
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struct record {
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char r1, r2;
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char conn, f;
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int start, len;
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char needed;
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};
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static struct record preset[] = {
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#if 0
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{36, 5, 1, 1, 1, 2, 1},
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{ 2, 6, 0, 1, 0, 2, 1},
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{53, 92, 1, 1, 0, 0, 1},
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{99, 11, 1, 1, 2, 1, 1},
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#endif
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{36, 5, 1, 1, 1888, 960, 1},
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{47, 23, 0, 1, 0, 2176, 1},
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{84, 95, 1, 1, 3072, 96, 1},
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{65, 14, 0, 0, 2752, 352, 1},
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};
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static struct record *recorded;
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static void print_brl(SMB_DEV_T dev, SMB_INO_T ino, int pid,
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enum brl_type lock_type,
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br_off start, br_off size)
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{
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printf("%6d %05x:%05x %s %9.0f %9.0f\n",
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(int)pid, (int)dev, (int)ino,
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lock_type==READ_LOCK?"R":"W",
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(double)start, (double)size);
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}
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/*****************************************************
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return a connection to a server
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*******************************************************/
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struct cli_state *connect_one(char *share)
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{
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struct cli_state *c;
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struct nmb_name called, calling;
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char *server_n;
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fstring server;
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struct in_addr ip;
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extern struct in_addr ipzero;
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fstring myname;
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static int count;
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fstrcpy(server,share+2);
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share = strchr(server,'\\');
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if (!share) return NULL;
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*share = 0;
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share++;
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server_n = server;
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ip = ipzero;
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slprintf(myname,sizeof(myname), "lock-%d-%d", getpid(), count++);
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make_nmb_name(&calling, myname, 0x0);
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make_nmb_name(&called , server, 0x20);
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again:
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ip = ipzero;
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/* have to open a new connection */
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if (!(c=cli_initialise(NULL)) || (cli_set_port(c, 139) == 0) ||
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!cli_connect(c, server_n, &ip)) {
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DEBUG(0,("Connection to %s failed\n", server_n));
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return NULL;
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}
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if (!cli_session_request(c, &calling, &called)) {
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DEBUG(0,("session request to %s failed\n", called.name));
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cli_shutdown(c);
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if (strcmp(called.name, "*SMBSERVER")) {
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make_nmb_name(&called , "*SMBSERVER", 0x20);
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goto again;
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}
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return NULL;
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}
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DEBUG(4,(" session request ok\n"));
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if (!cli_negprot(c)) {
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DEBUG(0,("protocol negotiation failed\n"));
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cli_shutdown(c);
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return NULL;
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}
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if (!got_pass) {
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char *pass = getpass("Password: ");
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if (pass) {
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pstrcpy(password, pass);
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}
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}
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if (!cli_session_setup(c, username,
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password, strlen(password),
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password, strlen(password),
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workgroup)) {
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DEBUG(0,("session setup failed: %s\n", cli_errstr(c)));
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return NULL;
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}
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/*
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* These next two lines are needed to emulate
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* old client behaviour for people who have
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* scripts based on client output.
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* QUESTION ? Do we want to have a 'client compatibility
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* mode to turn these on/off ? JRA.
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*/
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if (*c->server_domain || *c->server_os || *c->server_type)
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DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",
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c->server_domain,c->server_os,c->server_type));
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DEBUG(4,(" session setup ok\n"));
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if (!cli_send_tconX(c, share, "?????",
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password, strlen(password)+1)) {
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DEBUG(0,("tree connect failed: %s\n", cli_errstr(c)));
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cli_shutdown(c);
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return NULL;
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}
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DEBUG(4,(" tconx ok\n"));
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return c;
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}
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static void reconnect(struct cli_state *cli[2][2], int fnum[2][2][2],
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char *share1, char *share2)
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{
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int server, conn, f;
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char *share[2];
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share[0] = share1;
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share[1] = share2;
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for (server=0;server<2;server++)
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for (conn=0;conn<2;conn++) {
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if (cli[server][conn]) {
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for (f=0;f<2;f++) {
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cli_close(cli[server][conn], fnum[server][conn][f]);
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}
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cli_ulogoff(cli[server][conn]);
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cli_shutdown(cli[server][conn]);
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free(cli[server][conn]);
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cli[server][conn] = NULL;
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}
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cli[server][conn] = connect_one(share[server]);
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if (!cli[server][conn]) {
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DEBUG(0,("Failed to connect to %s\n", share[server]));
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exit(1);
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}
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}
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}
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static BOOL test_one(struct cli_state *cli[2][2],
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int fnum[2][2][2],
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struct record *rec)
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{
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int conn = rec->conn;
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int f = rec->f;
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int start = rec->start;
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int len = rec->len;
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int r1 = rec->r1;
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int r2 = rec->r2;
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int op;
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BOOL ret1, ret2;
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if (r1 < READ_PCT) {
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op = READ_LOCK;
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} else {
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op = WRITE_LOCK;
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}
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if (r2 < LOCK_PCT) {
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/* set a lock */
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ret1 = cli_lock(cli[0][conn],
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fnum[0][conn][f],
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start, len, 0, op);
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ret2 = cli_lock(cli[1][conn],
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fnum[1][conn][f],
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start, len, 0, op);
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if (showall || ret1 != ret2) {
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printf("lock conn=%d f=%d range=%d:%d op=%s -> %d:%d\n",
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conn, f, start, len, op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
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ret1, ret2);
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}
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if (showall) brl_forall(print_brl);
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if (ret1 != ret2) return False;
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} else if (r2 < LOCK_PCT+UNLOCK_PCT) {
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/* unset a lock */
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ret1 = cli_unlock(cli[0][conn],
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fnum[0][conn][f],
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start, len);
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ret2 = cli_unlock(cli[1][conn],
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fnum[1][conn][f],
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start, len);
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if (showall || ret1 != ret2) {
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printf("unlock conn=%d f=%d %d:%d -> %d:%d\n",
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conn, f, start, len,
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ret1, ret2);
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}
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if (showall) brl_forall(print_brl);
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if (ret1 != ret2) return False;
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} else {
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/* reopen the file */
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cli_close(cli[0][conn], fnum[0][conn][f]);
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cli_close(cli[1][conn], fnum[1][conn][f]);
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fnum[0][conn][f] = cli_open(cli[0][conn], FILENAME,
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O_RDWR|O_CREAT,
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DENY_NONE);
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fnum[1][conn][f] = cli_open(cli[1][conn], FILENAME,
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O_RDWR|O_CREAT,
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DENY_NONE);
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if (fnum[0][conn][f] == -1) {
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printf("failed to reopen on share1\n");
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return False;
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}
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if (fnum[1][conn][f] == -1) {
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printf("failed to reopen on share2\n");
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return False;
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}
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if (showall) {
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printf("reopen conn=%d f=%d\n",
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conn, f);
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brl_forall(print_brl);
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}
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}
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return True;
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}
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static void close_files(struct cli_state *cli[2][2],
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int fnum[2][2][2])
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{
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int server, conn, f;
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for (server=0;server<2;server++)
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for (conn=0;conn<2;conn++)
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for (f=0;f<2;f++) {
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if (fnum[server][conn][f] != -1) {
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cli_close(cli[server][conn], fnum[server][conn][f]);
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fnum[server][conn][f] = -1;
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}
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}
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cli_unlink(cli[0][0], FILENAME);
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cli_unlink(cli[1][0], FILENAME);
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}
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static void open_files(struct cli_state *cli[2][2],
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int fnum[2][2][2])
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{
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int server, conn, f;
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for (server=0;server<2;server++)
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for (conn=0;conn<2;conn++)
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for (f=0;f<2;f++) {
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fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
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O_RDWR|O_CREAT,
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DENY_NONE);
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if (fnum[server][conn][f] == -1) {
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fprintf(stderr,"Failed to open fnum[%d][%d][%d]\n",
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server, conn, f);
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exit(1);
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}
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}
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}
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static int retest(struct cli_state *cli[2][2],
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int fnum[2][2][2],
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int n)
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{
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int i;
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printf("testing %d ...\n", n);
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for (i=0; i<n; i++) {
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if (i && i % 100 == 0) {
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printf("%d\n", i);
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}
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if (recorded[i].needed &&
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!test_one(cli, fnum, &recorded[i])) return i;
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}
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return n;
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}
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/* each server has two connections open to it. Each connection has two file
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descriptors open on the file - 8 file descriptors in total
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we then do random locking ops in tamdem on the 4 fnums from each
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server and ensure that the results match
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*/
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static void test_locks(char *share1, char *share2)
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{
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struct cli_state *cli[2][2];
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int fnum[2][2][2];
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int n, i, n1;
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ZERO_STRUCT(fnum);
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ZERO_STRUCT(cli);
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recorded = (struct record *)malloc(sizeof(*recorded) * numops);
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for (n=0; n<numops; n++) {
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if (n < sizeof(preset) / sizeof(preset[0])) {
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recorded[n] = preset[n];
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} else {
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recorded[n].conn = random() % 2;
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recorded[n].f = random() % 2;
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recorded[n].start = random() % (LOCKRANGE-1);
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recorded[n].len = 1 + random() % (LOCKRANGE-recorded[n].start);
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recorded[n].start *= RANGE_MULTIPLE;
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recorded[n].len *= RANGE_MULTIPLE;
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recorded[n].r1 = random() % 100;
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recorded[n].r2 = random() % 100;
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recorded[n].needed = True;
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}
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}
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reconnect(cli, fnum, share1, share2);
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open_files(cli, fnum);
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n = retest(cli, fnum, numops);
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if (n == numops || !analyze) return;
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n++;
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while (1) {
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n1 = n;
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close_files(cli, fnum);
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reconnect(cli, fnum, share1, share2);
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open_files(cli, fnum);
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for (i=0;i<n-1;i++) {
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int m;
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recorded[i].needed = False;
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close_files(cli, fnum);
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open_files(cli, fnum);
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m = retest(cli, fnum, n);
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if (m == n) {
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recorded[i].needed = True;
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} else {
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if (i < m) {
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memmove(&recorded[i], &recorded[i+1],
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(m-i)*sizeof(recorded[0]));
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}
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n = m;
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i--;
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}
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}
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if (n1 == n) break;
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}
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close_files(cli, fnum);
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reconnect(cli, fnum, share1, share2);
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open_files(cli, fnum);
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showall = True;
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n1 = retest(cli, fnum, n);
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if (n1 != n-1) {
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printf("ERROR - inconsistent result (%d %d)\n", n1, n);
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}
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close_files(cli, fnum);
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for (i=0;i<n;i++) {
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printf("{%d, %d, %d, %d, %d, %d, %d},\n",
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recorded[i].r1,
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recorded[i].r2,
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recorded[i].conn,
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recorded[i].f,
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recorded[i].start,
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recorded[i].len,
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recorded[i].needed);
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}
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}
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static void usage(void)
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{
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printf(
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"Usage:\n\
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locktest //server1/share1 //server2/share2 [options..]\n\
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options:\n\
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-U user%%pass\n\
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-s seed\n\
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-o numops\n\
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-a (show all ops)\n\
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");
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}
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/****************************************************************************
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main program
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****************************************************************************/
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int main(int argc,char *argv[])
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{
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char *share1, *share2;
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extern char *optarg;
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extern int optind;
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extern FILE *dbf;
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int opt;
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char *p;
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int seed;
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static pstring servicesf = CONFIGFILE;
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setlinebuf(stdout);
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dbf = stderr;
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if (argv[1][0] == '-' || argc < 3) {
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usage();
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exit(1);
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}
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share1 = argv[1];
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share2 = argv[2];
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all_string_sub(share1,"/","\\",0);
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all_string_sub(share2,"/","\\",0);
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setup_logging(argv[0],True);
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argc -= 2;
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argv += 2;
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TimeInit();
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charset_initialise();
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lp_load(servicesf,True,False,False);
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load_interfaces();
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if (getenv("USER")) {
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pstrcpy(username,getenv("USER"));
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}
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seed = time(NULL);
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while ((opt = getopt(argc, argv, "U:s:ho:aA")) != EOF) {
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switch (opt) {
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case 'U':
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pstrcpy(username,optarg);
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p = strchr(username,'%');
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if (p) {
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*p = 0;
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pstrcpy(password, p+1);
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got_pass = 1;
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}
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break;
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case 's':
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seed = atoi(optarg);
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break;
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case 'o':
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numops = atoi(optarg);
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break;
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case 'a':
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showall = True;
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break;
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case 'A':
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analyze = True;
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break;
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case 'h':
|
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usage();
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exit(1);
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default:
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printf("Unknown option %c (%d)\n", (char)opt, opt);
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exit(1);
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}
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}
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argc -= optind;
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argv += optind;
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DEBUG(0,("seed=%d\n", seed));
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srandom(seed);
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|
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locking_init(1);
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test_locks(share1, share2);
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|
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return(0);
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}
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