--- /dev/null
+/*
+ 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;
+ }
+ }
+ if (showall) {
+ printf("reopen conn=%u f=%u\n",
+ conn, f);
+ show_locks();
+ }
+ break;
+ }
+
+ return True;
+}
+
+static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
+ int fnum[NSERVERS][NCONNECTIONS][NFILES])
+{
+ int server, conn, f;
+
+ for (server=0;server<NSERVERS;server++)
+ for (conn=0;conn<NCONNECTIONS;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;
+ }
+ }
+ for (server=0;server<NSERVERS;server++) {
+ cli_unlink(cli[server][0], FILENAME);
+ }
+}
+
+static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
+ int fnum[NSERVERS][NCONNECTIONS][NFILES])
+{
+ int server, conn, f;
+
+ for (server=0;server<NSERVERS;server++)
+ for (conn=0;conn<NCONNECTIONS;conn++)
+ for (f=0;f<NFILES;f++) {
+ fnum[server][conn][f] = cli_open(cli[server][conn], FILENAME,
+ O_RDWR|O_CREAT,
+ DENY_NONE);
+ if (fnum[server][conn][f] == -1) {
+ fprintf(stderr,"Failed to open fnum[%u][%u][%u]\n",
+ server, conn, f);
+ exit(1);
+ }
+ }
+}
+
+
+static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
+ int fnum[NSERVERS][NCONNECTIONS][NFILES],
+ int n)
+{
+ int i;
+ printf("testing %u ...\n", n);
+ for (i=0; i<n; i++) {
+ if (i && i % 100 == 0) {
+ printf("%u\n", i);
+ }
+
+ if (recorded[i].needed &&
+ !test_one(cli, fnum, &recorded[i])) return i;
+ }
+ return n;
+}
+
+
+/* each server has two connections open to it. Each connection has two file
+ descriptors open on the file - 8 file descriptors in total
+
+ we then do random locking ops in tamdem on the 4 fnums from each
+ server and ensure that the results match
+ */
+static void test_locks(char *share[NSERVERS])
+{
+ struct cli_state *cli[NSERVERS][NCONNECTIONS];
+ int fnum[NSERVERS][NCONNECTIONS][NFILES];
+ int n, i, n1, skip, r1, r2;
+
+ ZERO_STRUCT(fnum);
+ ZERO_STRUCT(cli);
+
+ recorded = SMB_MALLOC_ARRAY(struct record, numops);
+
+ for (n=0; n<numops; n++) {
+#if PRESETS
+ if (n < sizeof(preset) / sizeof(preset[0])) {
+ recorded[n] = preset[n];
+ } else {
+#endif
+ recorded[n].conn = random() % NCONNECTIONS;
+ recorded[n].f = random() % NFILES;
+ recorded[n].start = lock_base + ((unsigned)random() % (lock_range-1));
+ recorded[n].len = min_length +
+ random() % (lock_range-(recorded[n].start-lock_base));
+ recorded[n].start *= RANGE_MULTIPLE;
+ recorded[n].len *= RANGE_MULTIPLE;
+ r1 = random() % 100;
+ r2 = random() % 100;
+ if (r1 < READ_PCT) {
+ recorded[n].lock_type = READ_LOCK;
+ } else {
+ recorded[n].lock_type = WRITE_LOCK;
+ }
+ if (r2 < LOCK_PCT) {
+ recorded[n].lock_op = OP_LOCK;
+ } else if (r2 < UNLOCK_PCT) {
+ recorded[n].lock_op = OP_UNLOCK;
+ } else {
+ recorded[n].lock_op = OP_REOPEN;
+ }
+ recorded[n].needed = True;
+ if (!zero_zero && recorded[n].start==0 && recorded[n].len==0) {
+ recorded[n].len = 1;
+ }
+#if PRESETS
+ }
+#endif
+ }
+
+ reconnect(cli, fnum, share);
+ open_files(cli, fnum);
+ n = retest(cli, fnum, numops);
+
+ if (n == numops || !analyze) return;
+ n++;
+
+ skip = n/2;
+
+ while (1) {
+ n1 = n;
+
+ close_files(cli, fnum);
+ reconnect(cli, fnum, share);
+ open_files(cli, fnum);
+
+ for (i=0;i<n-skip;i+=skip) {
+ int m, j;
+ printf("excluding %d-%d\n", i, i+skip-1);
+ for (j=i;j<i+skip;j++) {
+ recorded[j].needed = False;
+ }
+
+ close_files(cli, fnum);
+ open_files(cli, fnum);
+
+ 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("{%d, %d, %u, %u, %.0f, %.0f, %u},\n",
+ recorded[i].lock_op,
+ 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];
+ extern char *optarg;
+ extern int optind;
+ int opt;
+ char *p;
+ int seed, server;
+
+ setlinebuf(stdout);
+
+ dbf = x_stderr;
+
+ if (argc < 3 || argv[1][0] == '-') {
+ usage();
+ exit(1);
+ }
+
+ setup_logging(argv[0],True);
+
+ for (server=0;server<NSERVERS;server++) {
+ share[server] = argv[1+server];
+ all_string_sub(share[server],"/","\\",0);
+ }
+
+ argc -= NSERVERS;
+ argv += NSERVERS;
+
+ lp_load(dyn_CONFIGFILE,True,False,False);
+ 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);
+}
projects / samba / blobdiff