mirror of
https://github.com/samba-team/samba.git
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4e709dc42f
with a call that uses NTCreateX in preference to OpenAndX.
691 lines
16 KiB
C
691 lines
16 KiB
C
/*
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Unix SMB/CIFS implementation.
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randomised byte range lock 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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "libsmb/libsmb.h"
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#include "system/filesys.h"
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#include "locking/proto.h"
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#include "libsmb/nmblib.h"
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static fstring password[2];
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static fstring username[2];
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static int got_user;
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static int got_pass;
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static bool use_kerberos;
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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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static bool hide_unlock_fails;
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static bool use_oplocks;
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static unsigned lock_range = 100;
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static unsigned lock_base = 0;
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static unsigned min_length = 0;
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static bool exact_error_codes;
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static bool zero_zero;
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extern char *optarg;
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extern int optind;
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#define FILENAME "\\locktest.dat"
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#define READ_PCT 50
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#define LOCK_PCT 45
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#define UNLOCK_PCT 70
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#define RANGE_MULTIPLE 1
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#define NSERVERS 2
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#define NCONNECTIONS 2
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#define NFILES 2
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#define LOCK_TIMEOUT 0
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#define NASTY_POSIX_LOCK_HACK 0
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enum lock_op {OP_LOCK, OP_UNLOCK, OP_REOPEN};
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static const char *lock_op_type(int op)
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{
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if (op == WRITE_LOCK) return "write";
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else if (op == READ_LOCK) return "read";
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else return "other";
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}
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static const char *lock_op_name(enum lock_op op)
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{
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if (op == OP_LOCK) return "lock";
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else if (op == OP_UNLOCK) return "unlock";
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else return "reopen";
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}
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struct record {
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enum lock_op lock_op;
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enum brl_type lock_type;
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char conn, f;
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uint64_t start, len;
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char needed;
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};
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#define PRESETS 0
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#if PRESETS
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static struct record preset[] = {
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{OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 3, 0, 1},
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{OP_UNLOCK, 0 , 0, 0, 2, 0, 1},
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{OP_REOPEN, 0, 0, 0, 0, 0, 1},
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{OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
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{OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
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{OP_REOPEN, 0, 0, 0, 0, 0, 1},
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{OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 3, 1, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
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{OP_REOPEN, 0, 0, 0, 0, 0, 1},
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{OP_LOCK, READ_LOCK, 0, 0, 2, 0, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 1, 1, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
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{OP_REOPEN, 0, 0, 0, 0, 0, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
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{OP_LOCK, READ_LOCK, 0, 0, 1, 1, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
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{OP_REOPEN, 0, 0, 0, 0, 0, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 2, 0, 1},
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{OP_LOCK, READ_LOCK, 0, 0, 3, 1, 1},
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{OP_LOCK, WRITE_LOCK, 0, 0, 0, 0, 1},
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{OP_REOPEN, 0, 0, 0, 0, 0, 1},
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};
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#endif
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static struct record *recorded;
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static void print_brl(struct file_id id,
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struct server_id pid,
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enum brl_type lock_type,
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enum brl_flavour lock_flav,
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br_off start,
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br_off size,
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void *private_data)
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{
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#if NASTY_POSIX_LOCK_HACK
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{
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static SMB_INO_T lastino;
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if (lastino != ino) {
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char *cmd;
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if (asprintf(&cmd,
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"egrep POSIX.*%u /proc/locks", (int)ino) > 0) {
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system(cmd);
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SAFE_FREE(cmd);
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}
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}
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lastino = ino;
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}
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#endif
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printf("%s %s %s %.0f:%.0f(%.0f)\n",
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procid_str_static(&pid), file_id_string_tos(&id),
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lock_type==READ_LOCK?"R":"W",
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(double)start, (double)start+size-1,(double)size);
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}
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static void show_locks(void)
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{
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brl_forall(print_brl, NULL);
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/* system("cat /proc/locks"); */
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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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static struct cli_state *connect_one(char *share, int snum)
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{
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struct cli_state *c;
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char *server_n;
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fstring server;
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fstring myname;
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static int count;
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NTSTATUS status;
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int flags = 0;
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fstrcpy(server,share+2);
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share = strchr_m(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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slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
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/* have to open a new connection */
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if (use_kerberos) {
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flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
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}
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if (use_oplocks) {
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flags |= CLI_FULL_CONNECTION_OPLOCKS;
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}
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status = cli_connect_nb(server_n, NULL, 0, 0x20, myname,
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SMB_SIGNING_DEFAULT, flags, &c);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0, ("Connection to %s failed. Error %s\n", server_n,
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nt_errstr(status)));
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return NULL;
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}
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status = cli_negprot(c, PROTOCOL_NT1);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0, ("protocol negotiation failed: %s\n",
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nt_errstr(status)));
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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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fstrcpy(password[0], pass);
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fstrcpy(password[1], pass);
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}
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}
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if (got_pass == 1) {
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strlcpy(password[1], password[0],sizeof(password[1]));
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strlcpy(username[1], username[0],sizeof(username[1]));
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}
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status = cli_session_setup(c, username[snum],
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password[snum], strlen(password[snum]),
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password[snum], strlen(password[snum]),
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lp_workgroup());
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0,("session setup failed: %s\n", nt_errstr(status)));
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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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status = cli_tree_connect(c, share, "?????", password[snum],
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strlen(password[snum])+1);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0,("tree connect failed: %s\n", nt_errstr(status)));
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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[NSERVERS][NCONNECTIONS], uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
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char *share[NSERVERS])
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{
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int server, conn, f;
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for (server=0;server<NSERVERS;server++)
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for (conn=0;conn<NCONNECTIONS;conn++) {
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if (cli[server][conn]) {
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for (f=0;f<NFILES;f++) {
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if (fnum[server][conn][f] != (uint16_t)-1) {
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cli_close(cli[server][conn], fnum[server][conn][f]);
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fnum[server][conn][f] = (uint16_t)-1;
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}
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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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}
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cli[server][conn] = connect_one(share[server], 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[NSERVERS][NCONNECTIONS],
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uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
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struct record *rec)
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{
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unsigned conn = rec->conn;
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unsigned f = rec->f;
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uint64_t start = rec->start;
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uint64_t len = rec->len;
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enum brl_type op = rec->lock_type;
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int server;
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NTSTATUS status[NSERVERS];
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switch (rec->lock_op) {
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case OP_LOCK:
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/* set a lock */
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for (server=0;server<NSERVERS;server++) {
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status[server] = cli_lock64(cli[server][conn],
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fnum[server][conn][f],
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start, len, LOCK_TIMEOUT,
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op);
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if (!exact_error_codes &&
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NT_STATUS_EQUAL(status[server],
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NT_STATUS_FILE_LOCK_CONFLICT)) {
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status[server] = NT_STATUS_LOCK_NOT_GRANTED;
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}
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}
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if (showall || !NT_STATUS_EQUAL(status[0],status[1])) {
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printf("lock conn=%u f=%u range=%.0f(%.0f) op=%s -> %s:%s\n",
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conn, f,
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(double)start, (double)len,
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op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
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nt_errstr(status[0]), nt_errstr(status[1]));
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}
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if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
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if (!NT_STATUS_EQUAL(status[0],status[1])) return False;
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break;
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case OP_UNLOCK:
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/* unset a lock */
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for (server=0;server<NSERVERS;server++) {
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status[server] = cli_unlock64(cli[server][conn],
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fnum[server][conn][f],
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start, len);
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}
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if (showall ||
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(!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))) {
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printf("unlock conn=%u f=%u range=%.0f(%.0f) -> %s:%s\n",
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conn, f,
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(double)start, (double)len,
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nt_errstr(status[0]), nt_errstr(status[1]));
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}
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if (showall || !NT_STATUS_EQUAL(status[0],status[1])) show_locks();
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if (!hide_unlock_fails && !NT_STATUS_EQUAL(status[0],status[1]))
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return False;
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break;
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case OP_REOPEN:
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/* reopen the file */
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for (server=0;server<NSERVERS;server++) {
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cli_close(cli[server][conn], fnum[server][conn][f]);
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fnum[server][conn][f] = (uint16_t)-1;
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}
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for (server=0;server<NSERVERS;server++) {
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fnum[server][conn][f] = (uint16_t)-1;
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if (!NT_STATUS_IS_OK(cli_openx(cli[server][conn], FILENAME,
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O_RDWR|O_CREAT,
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DENY_NONE, &fnum[server][conn][f]))) {
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printf("failed to reopen on share%d\n", server);
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return False;
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}
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}
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if (showall) {
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printf("reopen conn=%u f=%u\n",
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conn, f);
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show_locks();
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}
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break;
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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[NSERVERS][NCONNECTIONS],
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uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
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{
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int server, conn, f;
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for (server=0;server<NSERVERS;server++)
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for (conn=0;conn<NCONNECTIONS;conn++)
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for (f=0;f<NFILES;f++) {
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if (fnum[server][conn][f] != (uint16_t)-1) {
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cli_close(cli[server][conn], fnum[server][conn][f]);
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fnum[server][conn][f] = (uint16_t)-1;
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}
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}
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for (server=0;server<NSERVERS;server++) {
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cli_unlink(cli[server][0], FILENAME, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
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}
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}
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static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
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uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES])
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{
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int server, conn, f;
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for (server=0;server<NSERVERS;server++)
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for (conn=0;conn<NCONNECTIONS;conn++)
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for (f=0;f<NFILES;f++) {
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fnum[server][conn][f] = (uint16_t)-1;
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if (!NT_STATUS_IS_OK(cli_openx(cli[server][conn], FILENAME,
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O_RDWR|O_CREAT,
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DENY_NONE,
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&fnum[server][conn][f]))) {
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fprintf(stderr,"Failed to open fnum[%u][%u][%u]\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[NSERVERS][NCONNECTIONS],
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uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES],
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int n)
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{
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int i;
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printf("testing %u ...\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("%u\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 *share[NSERVERS])
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{
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struct cli_state *cli[NSERVERS][NCONNECTIONS];
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uint16_t fnum[NSERVERS][NCONNECTIONS][NFILES];
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int n, i, n1, skip, r1, r2;
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ZERO_STRUCT(fnum);
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ZERO_STRUCT(cli);
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recorded = SMB_MALLOC_ARRAY(struct record, numops);
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for (n=0; n<numops; n++) {
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#if PRESETS
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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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#endif
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recorded[n].conn = random() % NCONNECTIONS;
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recorded[n].f = random() % NFILES;
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recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
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recorded[n].len = min_length +
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random() % (lock_range-(recorded[n].start-lock_base));
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recorded[n].start *= RANGE_MULTIPLE;
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recorded[n].len *= RANGE_MULTIPLE;
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r1 = random() % 100;
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r2 = random() % 100;
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if (r1 < READ_PCT) {
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recorded[n].lock_type = READ_LOCK;
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} else {
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recorded[n].lock_type = WRITE_LOCK;
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}
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if (r2 < LOCK_PCT) {
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recorded[n].lock_op = OP_LOCK;
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} else if (r2 < UNLOCK_PCT) {
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recorded[n].lock_op = OP_UNLOCK;
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} else {
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recorded[n].lock_op = OP_REOPEN;
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}
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recorded[n].needed = True;
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if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
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recorded[n].len = 1;
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}
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#if PRESETS
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}
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#endif
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}
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reconnect(cli, fnum, share);
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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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skip = n/2;
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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, share);
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open_files(cli, fnum);
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for (i=0;i<n-skip;i+=skip) {
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int m, j;
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printf("excluding %d-%d\n", i, i+skip-1);
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for (j=i;j<i+skip;j++) {
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recorded[j].needed = False;
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}
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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);
|
|
if (m == n) {
|
|
for (j=i;j<i+skip;j++) {
|
|
recorded[j].needed = True;
|
|
}
|
|
} else {
|
|
if (i+(skip-1) < m) {
|
|
memmove(&recorded[i], &recorded[i+skip],
|
|
(m-(i+skip-1))*sizeof(recorded[0]));
|
|
}
|
|
n = m-(skip-1);
|
|
i--;
|
|
}
|
|
}
|
|
|
|
if (skip > 1) {
|
|
skip = skip/2;
|
|
printf("skip=%d\n", skip);
|
|
continue;
|
|
}
|
|
|
|
if (n1 == n) break;
|
|
}
|
|
|
|
close_files(cli, fnum);
|
|
reconnect(cli, fnum, share);
|
|
open_files(cli, fnum);
|
|
showall = True;
|
|
n1 = retest(cli, fnum, n);
|
|
if (n1 != n-1) {
|
|
printf("ERROR - inconsistent result (%u %u)\n", n1, n);
|
|
}
|
|
close_files(cli, fnum);
|
|
|
|
for (i=0;i<n;i++) {
|
|
printf("{%s, %s, conn = %u, file = %u, start = %.0f, len = %.0f, %u},\n",
|
|
lock_op_name(recorded[i].lock_op),
|
|
lock_op_type(recorded[i].lock_type),
|
|
recorded[i].conn,
|
|
recorded[i].f,
|
|
(double)recorded[i].start,
|
|
(double)recorded[i].len,
|
|
recorded[i].needed);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void usage(void)
|
|
{
|
|
printf(
|
|
"Usage:\n\
|
|
locktest //server1/share1 //server2/share2 [options..]\n\
|
|
options:\n\
|
|
-U user%%pass (may be specified twice)\n\
|
|
-k use kerberos\n\
|
|
-s seed\n\
|
|
-o numops\n\
|
|
-u hide unlock fails\n\
|
|
-a (show all ops)\n\
|
|
-A analyse for minimal ops\n\
|
|
-O use oplocks\n\
|
|
-E enable exact error code checking\n\
|
|
-Z enable the zero/zero lock\n\
|
|
-R range set lock range\n\
|
|
-B base set lock base\n\
|
|
-M min set min lock length\n\
|
|
");
|
|
}
|
|
|
|
/****************************************************************************
|
|
main program
|
|
****************************************************************************/
|
|
int main(int argc,char *argv[])
|
|
{
|
|
char *share[NSERVERS];
|
|
int opt;
|
|
char *p;
|
|
int seed, server;
|
|
|
|
setlinebuf(stdout);
|
|
|
|
load_case_tables();
|
|
|
|
if (argc < 3 || argv[1][0] == '-') {
|
|
usage();
|
|
exit(1);
|
|
}
|
|
|
|
setup_logging(argv[0], DEBUG_STDOUT);
|
|
|
|
for (server=0;server<NSERVERS;server++) {
|
|
share[server] = argv[1+server];
|
|
all_string_sub(share[server],"/","\\",0);
|
|
}
|
|
|
|
argc -= NSERVERS;
|
|
argv += NSERVERS;
|
|
|
|
lp_load_global(get_dyn_CONFIGFILE());
|
|
load_interfaces();
|
|
|
|
if (getenv("USER")) {
|
|
fstrcpy(username[0],getenv("USER"));
|
|
fstrcpy(username[1],getenv("USER"));
|
|
}
|
|
|
|
seed = time(NULL);
|
|
|
|
while ((opt = getopt(argc, argv, "U:s:ho:aAW:OkR:B:M:EZ")) != EOF) {
|
|
switch (opt) {
|
|
case 'k':
|
|
#ifdef HAVE_KRB5
|
|
use_kerberos = True;
|
|
#else
|
|
d_printf("No kerberos support compiled in\n");
|
|
exit(1);
|
|
#endif
|
|
break;
|
|
case 'U':
|
|
got_user = 1;
|
|
if (got_pass == 2) {
|
|
d_printf("Max of 2 usernames\n");
|
|
exit(1);
|
|
}
|
|
fstrcpy(username[got_pass],optarg);
|
|
p = strchr_m(username[got_pass],'%');
|
|
if (p) {
|
|
*p = 0;
|
|
fstrcpy(password[got_pass], p+1);
|
|
got_pass++;
|
|
}
|
|
break;
|
|
case 'R':
|
|
lock_range = strtol(optarg, NULL, 0);
|
|
break;
|
|
case 'B':
|
|
lock_base = strtol(optarg, NULL, 0);
|
|
break;
|
|
case 'M':
|
|
min_length = strtol(optarg, NULL, 0);
|
|
break;
|
|
case 's':
|
|
seed = atoi(optarg);
|
|
break;
|
|
case 'u':
|
|
hide_unlock_fails = True;
|
|
break;
|
|
case 'o':
|
|
numops = atoi(optarg);
|
|
break;
|
|
case 'O':
|
|
use_oplocks = True;
|
|
break;
|
|
case 'a':
|
|
showall = True;
|
|
break;
|
|
case 'A':
|
|
analyze = True;
|
|
break;
|
|
case 'Z':
|
|
zero_zero = True;
|
|
break;
|
|
case 'E':
|
|
exact_error_codes = True;
|
|
break;
|
|
case 'h':
|
|
usage();
|
|
exit(1);
|
|
default:
|
|
printf("Unknown option %c (%d)\n", (char)opt, opt);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if(use_kerberos && !got_user) got_pass = True;
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
DEBUG(0,("seed=%u\n", seed));
|
|
srandom(seed);
|
|
|
|
test_locks(share);
|
|
|
|
return(0);
|
|
}
|