Make cli_unlock and cli_unlock64 async. Fix POSIX lock test.

Jeremy.

5 files changed, 247 insertions, 91 deletions

diff --git a/source3/include/proto.h b/source3/include/proto.h
index 7bbdc04ae7..15e3f325aa 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -2518,10 +2518,24 @@ NTSTATUS cli_locktype(struct cli_state *cli, uint16_t fnum,
 		      int timeout, unsigned char locktype);
 bool cli_lock(struct cli_state *cli, uint16_t fnum,
 	      uint32_t offset, uint32_t len, int timeout, enum brl_type lock_type);
-bool cli_unlock(struct cli_state *cli, uint16_t fnum, uint32_t offset, uint32_t len);
+struct tevent_req *cli_unlock_send(TALLOC_CTX *mem_ctx,
+                                struct event_context *ev,
+                                struct cli_state *cli,
+                                uint16_t fnum,
+                                uint64_t offset,
+                                uint64_t len);
+NTSTATUS cli_unlock_recv(struct tevent_req *req);
+NTSTATUS cli_unlock(struct cli_state *cli, uint16_t fnum, uint32_t offset, uint32_t len);
 bool cli_lock64(struct cli_state *cli, uint16_t fnum,
 		uint64_t offset, uint64_t len, int timeout, enum brl_type lock_type);
-bool cli_unlock64(struct cli_state *cli, uint16_t fnum, uint64_t offset, uint64_t len);
+struct tevent_req *cli_unlock64_send(TALLOC_CTX *mem_ctx,
+                                struct event_context *ev,
+                                struct cli_state *cli,
+                                uint16_t fnum,
+                                uint64_t offset,
+                                uint64_t len);
+NTSTATUS cli_unlock64_recv(struct tevent_req *req);
+NTSTATUS cli_unlock64(struct cli_state *cli, uint16_t fnum, uint64_t offset, uint64_t len);
 struct tevent_req *cli_posix_lock_send(TALLOC_CTX *mem_ctx,
                                         struct event_context *ev,
                                         struct cli_state *cli,
diff --git a/source3/libsmb/clifile.c b/source3/libsmb/clifile.c
index 0e2b3640f2..5ea0579839 100644
--- a/source3/libsmb/clifile.c
+++ b/source3/libsmb/clifile.c
@@ -1893,7 +1893,6 @@ struct tevent_req *cli_nt_delete_on_close_send(TALLOC_CTX *mem_ctx,
 	SSVAL(&state->setup, 0, TRANSACT2_SETFILEINFO);
 
 	/* Setup param array. */
-	memset(state->param, '\0', 6);
 	SSVAL(state->param,0,fnum);
 	SSVAL(state->param,2,SMB_SET_FILE_DISPOSITION_INFO);
 
@@ -2010,6 +2009,7 @@ struct tevent_req *cli_ntcreate_send(TALLOC_CTX *mem_ctx,
 	if (req == NULL) {
 		return NULL;
 	}
+
 	vwv = state->vwv;
 
 	SCVAL(vwv+0, 0, 0xFF);
@@ -2367,6 +2367,7 @@ struct tevent_req *cli_close_create(TALLOC_CTX *mem_ctx,
 	if (req == NULL) {
 		return NULL;
 	}
+
 	SSVAL(state->vwv+0, 0, fnum);
 	SIVALS(state->vwv+1, 0, -1);
 
@@ -2708,42 +2709,114 @@ bool cli_lock(struct cli_state *cli, uint16_t fnum,
  Unlock a file.
 ****************************************************************************/
 
-bool cli_unlock(struct cli_state *cli, uint16_t fnum, uint32_t offset, uint32_t len)
+struct cli_unlock_state {
+	uint16_t vwv[8];
+	uint8_t data[10];
+};
+
+static void cli_unlock_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_unlock_send(TALLOC_CTX *mem_ctx,
+				struct event_context *ev,
+				struct cli_state *cli,
+				uint16_t fnum,
+				uint64_t offset,
+				uint64_t len)
+
 {
-	char *p;
+	struct tevent_req *req = NULL, *subreq = NULL;
+	struct cli_unlock_state *state = NULL;
+	uint8_t additional_flags = 0;
 
-	memset(cli->outbuf,'\0',smb_size);
-	memset(cli->inbuf,'\0',smb_size);
+	req = tevent_req_create(mem_ctx, &state, struct cli_unlock_state);
+	if (req == NULL) {
+		return NULL;
+	}
 
-	cli_set_message(cli->outbuf,8,0,True);
+	SCVAL(state->vwv+0, 0, 0xFF);
+	SSVAL(state->vwv+2, 0, fnum);
+	SCVAL(state->vwv+3, 0, 0);
+	SIVALS(state->vwv+4, 0, 0);
+	SSVAL(state->vwv+6, 0, 1);
+	SSVAL(state->vwv+7, 0, 0);
 
-	SCVAL(cli->outbuf,smb_com,SMBlockingX);
-	SSVAL(cli->outbuf,smb_tid,cli->cnum);
-	cli_setup_packet(cli);
+	SSVAL(state->data, 0, cli->pid);
+	SIVAL(state->data, 2, offset);
+	SIVAL(state->data, 6, len);
 
-	SCVAL(cli->outbuf,smb_vwv0,0xFF);
-	SSVAL(cli->outbuf,smb_vwv2,fnum);
-	SCVAL(cli->outbuf,smb_vwv3,0);
-	SIVALS(cli->outbuf, smb_vwv4, 0);
-	SSVAL(cli->outbuf,smb_vwv6,1);
-	SSVAL(cli->outbuf,smb_vwv7,0);
+	subreq = cli_smb_send(state, ev, cli, SMBlockingX, additional_flags,
+				8, state->vwv, 10, state->data);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, cli_unlock_done, req);
+	return req;
+}
 
-	p = smb_buf(cli->outbuf);
-	SSVAL(p, 0, cli->pid);
-	SIVAL(p, 2, offset);
-	SIVAL(p, 6, len);
-	p += 10;
-	cli_setup_bcc(cli, p);
-	cli_send_smb(cli);
-	if (!cli_receive_smb(cli)) {
-		return False;
+static void cli_unlock_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+				subreq, struct tevent_req);
+	NTSTATUS status;
+
+	status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
 	}
+	tevent_req_done(req);
+}
 
-	if (cli_is_error(cli)) {
-		return False;
+NTSTATUS cli_unlock_recv(struct tevent_req *req)
+{
+	return tevent_req_simple_recv_ntstatus(req);
+}
+
+NTSTATUS cli_unlock(struct cli_state *cli,
+			uint16_t fnum,
+			uint32_t offset,
+			uint32_t len)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct event_context *ev;
+	struct tevent_req *req;
+	NTSTATUS status = NT_STATUS_OK;
+
+	if (cli_has_async_calls(cli)) {
+		/*
+		 * Can't use sync call while an async call is in flight
+		 */
+		status = NT_STATUS_INVALID_PARAMETER;
+		goto fail;
 	}
 
-	return True;
+	ev = event_context_init(frame);
+	if (ev == NULL) {
+		status = NT_STATUS_NO_MEMORY;
+		goto fail;
+	}
+
+	req = cli_unlock_send(frame, ev, cli,
+			fnum, offset, len);
+	if (req == NULL) {
+		status = NT_STATUS_NO_MEMORY;
+		goto fail;
+	}
+
+	if (!tevent_req_poll(req, ev)) {
+		status = map_nt_error_from_unix(errno);
+		goto fail;
+	}
+
+	status = cli_unlock_recv(req);
+
+ fail:
+	TALLOC_FREE(frame);
+	if (!NT_STATUS_IS_OK(status)) {
+		cli_set_error(cli, status);
+	}
+	return status;
 }
 
 /****************************************************************************
@@ -2811,46 +2884,118 @@ bool cli_lock64(struct cli_state *cli, uint16_t fnum,
  Unlock a file with 64 bit offsets.
 ****************************************************************************/
 
-bool cli_unlock64(struct cli_state *cli, uint16_t fnum, uint64_t offset, uint64_t len)
+struct cli_unlock64_state {
+	uint16_t vwv[8];
+	uint8_t data[20];
+};
+
+static void cli_unlock64_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_unlock64_send(TALLOC_CTX *mem_ctx,
+				struct event_context *ev,
+				struct cli_state *cli,
+				uint16_t fnum,
+				uint64_t offset,
+				uint64_t len)
+
 {
-	char *p;
+	struct tevent_req *req = NULL, *subreq = NULL;
+	struct cli_unlock64_state *state = NULL;
+	uint8_t additional_flags = 0;
 
-	if (! (cli->capabilities & CAP_LARGE_FILES)) {
-		return cli_unlock(cli, fnum, offset, len);
+	req = tevent_req_create(mem_ctx, &state, struct cli_unlock64_state);
+	if (req == NULL) {
+		return NULL;
 	}
 
-	memset(cli->outbuf,'\0',smb_size);
-	memset(cli->inbuf,'\0',smb_size);
+        SCVAL(state->vwv+0, 0, 0xff);
+	SSVAL(state->vwv+2, 0, fnum);
+	SCVAL(state->vwv+3, 0,LOCKING_ANDX_LARGE_FILES);
+	SIVALS(state->vwv+4, 0, 0);
+	SSVAL(state->vwv+6, 0, 1);
+	SSVAL(state->vwv+7, 0, 0);
 
-	cli_set_message(cli->outbuf,8,0,True);
+	SIVAL(state->data, 0, cli->pid);
+	SOFF_T_R(state->data, 4, offset);
+	SOFF_T_R(state->data, 12, len);
 
-	SCVAL(cli->outbuf,smb_com,SMBlockingX);
-	SSVAL(cli->outbuf,smb_tid,cli->cnum);
-	cli_setup_packet(cli);
+	subreq = cli_smb_send(state, ev, cli, SMBlockingX, additional_flags,
+				8, state->vwv, 20, state->data);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, cli_unlock64_done, req);
+	return req;
+}
 
-	SCVAL(cli->outbuf,smb_vwv0,0xFF);
-	SSVAL(cli->outbuf,smb_vwv2,fnum);
-	SCVAL(cli->outbuf,smb_vwv3,LOCKING_ANDX_LARGE_FILES);
-	SIVALS(cli->outbuf, smb_vwv4, 0);
-	SSVAL(cli->outbuf,smb_vwv6,1);
-	SSVAL(cli->outbuf,smb_vwv7,0);
+static void cli_unlock64_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+				subreq, struct tevent_req);
+	NTSTATUS status;
 
-	p = smb_buf(cli->outbuf);
-	SIVAL(p, 0, cli->pid);
-	SOFF_T_R(p, 4, offset);
-	SOFF_T_R(p, 12, len);
-	p += 20;
-	cli_setup_bcc(cli, p);
-	cli_send_smb(cli);
-	if (!cli_receive_smb(cli)) {
-		return False;
+	status = cli_smb_recv(subreq, 0, NULL, NULL, NULL, NULL);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
 	}
+	tevent_req_done(req);
+}
 
-	if (cli_is_error(cli)) {
-		return False;
+NTSTATUS cli_unlock64_recv(struct tevent_req *req)
+{
+	return tevent_req_simple_recv_ntstatus(req);
+}
+
+NTSTATUS cli_unlock64(struct cli_state *cli,
+				uint16_t fnum,
+				uint64_t offset,
+				uint64_t len)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct event_context *ev;
+	struct tevent_req *req;
+	NTSTATUS status = NT_STATUS_OK;
+
+	if (! (cli->capabilities & CAP_LARGE_FILES)) {
+		return cli_unlock(cli, fnum, offset, len);
 	}
 
-	return True;
+	if (cli_has_async_calls(cli)) {
+		/*
+		 * Can't use sync call while an async call is in flight
+		 */
+		status = NT_STATUS_INVALID_PARAMETER;
+		goto fail;
+	}
+
+	ev = event_context_init(frame);
+	if (ev == NULL) {
+		status = NT_STATUS_NO_MEMORY;
+		goto fail;
+	}
+
+	req = cli_unlock64_send(frame, ev, cli,
+			fnum, offset, len);
+	if (req == NULL) {
+		status = NT_STATUS_NO_MEMORY;
+		goto fail;
+	}
+
+	if (!tevent_req_poll(req, ev)) {
+		status = map_nt_error_from_unix(errno);
+		goto fail;
+	}
+
+	status = cli_unlock64_recv(req);
+
+ fail:
+	TALLOC_FREE(frame);
+	if (!NT_STATUS_IS_OK(status)) {
+		cli_set_error(cli, status);
+	}
+	return status;
 }
 
 /****************************************************************************
@@ -3421,7 +3566,7 @@ NTSTATUS cli_getatr(struct cli_state *cli,
 static void cli_setattrE_done(struct tevent_req *subreq);
 
 struct cli_setattrE_state {
-	int dummy;
+	uint16_t vwv[7];
 };
 
 struct tevent_req *cli_setattrE_send(TALLOC_CTX *mem_ctx,
@@ -3435,21 +3580,19 @@ struct tevent_req *cli_setattrE_send(TALLOC_CTX *mem_ctx,
 	struct tevent_req *req = NULL, *subreq = NULL;
 	struct cli_setattrE_state *state = NULL;
 	uint8_t additional_flags = 0;
-	uint16_t vwv[7];
 
 	req = tevent_req_create(mem_ctx, &state, struct cli_setattrE_state);
 	if (req == NULL) {
 		return NULL;
 	}
 
-	memset(vwv, '\0', sizeof(vwv));
-	SSVAL(vwv+0, 0, fnum);
-	cli_put_dos_date2(cli, (char *)&vwv[1], 0, change_time);
-	cli_put_dos_date2(cli, (char *)&vwv[3], 0, access_time);
-	cli_put_dos_date2(cli, (char *)&vwv[5], 0, write_time);
+	SSVAL(state->vwv+0, 0, fnum);
+	cli_put_dos_date2(cli, (char *)&state->vwv[1], 0, change_time);
+	cli_put_dos_date2(cli, (char *)&state->vwv[3], 0, access_time);
+	cli_put_dos_date2(cli, (char *)&state->vwv[5], 0, write_time);
 
 	subreq = cli_smb_send(state, ev, cli, SMBsetattrE, additional_flags,
-			      7, vwv, 0, NULL);
+			      7, state->vwv, 0, NULL);
 	if (tevent_req_nomem(subreq, req)) {
 		return tevent_req_post(req, ev);
 	}
@@ -3556,7 +3699,6 @@ struct tevent_req *cli_setatr_send(TALLOC_CTX *mem_ctx,
 		return NULL;
 	}
 
-	memset(state->vwv, '\0', sizeof(state->vwv));
 	SSVAL(state->vwv+0, 0, attr);
 	cli_put_dos_date3(cli, (char *)&state->vwv[1], 0, mtime);
 
diff --git a/source3/torture/locktest.c b/source3/torture/locktest.c
index 30b84c073d..a90c2e2dfe 100644
--- a/source3/torture/locktest.c
+++ b/source3/torture/locktest.c
@@ -341,9 +341,9 @@ static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
 	case OP_UNLOCK:
 		/* unset a lock */
 		for (server=0;server<NSERVERS;server++) {
-			ret[server] = cli_unlock64(cli[server][conn], 
+			ret[server] = NT_STATUS_IS_OK(cli_unlock64(cli[server][conn], 
 						   fnum[server][conn][f],
-						   start, len);
+						   start, len));
 			status[server] = cli_nt_error(cli[server][conn]);
 		}
 		if (showall || 
diff --git a/source3/torture/locktest2.c b/source3/torture/locktest2.c
index 93adcb51a6..5c8a2d8019 100644
--- a/source3/torture/locktest2.c
+++ b/source3/torture/locktest2.c
@@ -132,7 +132,7 @@ static bool try_unlock(struct cli_state *c, int fstype,
 
 	switch (fstype) {
 	case FSTYPE_SMB:
-		return cli_unlock(c, fd, start, len);
+		return NT_STATUS_IS_OK(cli_unlock(c, fd, start, len));
 
 	case FSTYPE_NFS:
 		lock.l_type = F_UNLCK;
diff --git a/source3/torture/torture.c b/source3/torture/torture.c
index e3c4084e0c..f9192b12b7 100644
--- a/source3/torture/torture.c
+++ b/source3/torture/torture.c
@@ -492,7 +492,7 @@ static bool rw_torture(struct cli_state *c)
 			correct = False;
 		}
 
-		if (!cli_unlock(c, fnum2, n*sizeof(int), sizeof(int))) {
+		if (!NT_STATUS_IS_OK(cli_unlock(c, fnum2, n*sizeof(int), sizeof(int)))) {
 			printf("unlock failed (%s)\n", cli_errstr(c));
 			correct = False;
 		}
@@ -1429,12 +1429,12 @@ static bool run_locktest2(int dummy)
 		printf("lock at 100 failed (%s)\n", cli_errstr(cli));
 	}
 	cli_setpid(cli, 2);
-	if (cli_unlock(cli, fnum1, 100, 4)) {
+	if (NT_STATUS_IS_OK(cli_unlock(cli, fnum1, 100, 4))) {
 		printf("unlock at 100 succeeded! This is a locking bug\n");
 		correct = False;
 	}
 
-	if (cli_unlock(cli, fnum1, 0, 4)) {
+	if (NT_STATUS_IS_OK(cli_unlock(cli, fnum1, 0, 4))) {
 		printf("unlock1 succeeded! This is a locking bug\n");
 		correct = False;
 	} else {
@@ -1443,7 +1443,7 @@ static bool run_locktest2(int dummy)
 				 NT_STATUS_RANGE_NOT_LOCKED)) return False;
 	}
 
-	if (cli_unlock(cli, fnum1, 0, 8)) {
+	if (NT_STATUS_IS_OK(cli_unlock(cli, fnum1, 0, 8))) {
 		printf("unlock2 succeeded! This is a locking bug\n");
 		correct = False;
 	} else {
@@ -1565,14 +1565,14 @@ static bool run_locktest3(int dummy)
 	for (offset=i=0;i<torture_numops;i++) {
 		NEXT_OFFSET;
 
-		if (!cli_unlock(cli1, fnum1, offset-1, 1)) {
+		if (!NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, offset-1, 1))) {
 			printf("unlock1 %d failed (%s)\n", 
 			       i,
 			       cli_errstr(cli1));
 			return False;
 		}
 
-		if (!cli_unlock(cli2, fnum2, offset-2, 1)) {
+		if (!NT_STATUS_IS_OK(cli_unlock(cli2, fnum2, offset-2, 1))) {
 			printf("unlock2 %d failed (%s)\n", 
 			       i,
 			       cli_errstr(cli1));
@@ -1703,7 +1703,7 @@ static bool run_locktest4(int dummy)
 
 	ret = cli_lock(cli1, fnum1, 110, 4, 0, READ_LOCK) &&
 	      cli_lock(cli1, fnum1, 112, 4, 0, READ_LOCK) &&
-	      cli_unlock(cli1, fnum1, 110, 6);
+	      NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 110, 6));
 	EXPECTED(ret, False);
 	printf("the same process %s coalesce read locks\n", ret?"can":"cannot");
 
@@ -1721,30 +1721,30 @@ static bool run_locktest4(int dummy)
 
 	ret = cli_lock(cli1, fnum1, 140, 4, 0, READ_LOCK) &&
 	      cli_lock(cli1, fnum1, 140, 4, 0, READ_LOCK) &&
-	      cli_unlock(cli1, fnum1, 140, 4) &&
-	      cli_unlock(cli1, fnum1, 140, 4);
+	      NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 140, 4)) &&
+	      NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 140, 4));
 	EXPECTED(ret, True);
 	printf("this server %s do recursive read locking\n", ret?"does":"doesn't");
 
 
 	ret = cli_lock(cli1, fnum1, 150, 4, 0, WRITE_LOCK) &&
 	      cli_lock(cli1, fnum1, 150, 4, 0, READ_LOCK) &&
-	      cli_unlock(cli1, fnum1, 150, 4) &&
+	      NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 150, 4)) &&
 	      (cli_read(cli2, fnum2, buf, 150, 4) == 4) &&
 	      !(cli_write(cli2, fnum2, 0, buf, 150, 4) == 4) &&
-	      cli_unlock(cli1, fnum1, 150, 4);
+	      NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 150, 4));
 	EXPECTED(ret, True);
 	printf("this server %s do recursive lock overlays\n", ret?"does":"doesn't");
 
 	ret = cli_lock(cli1, fnum1, 160, 4, 0, READ_LOCK) &&
-	      cli_unlock(cli1, fnum1, 160, 4) &&
+	      NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 160, 4)) &&
 	      (cli_write(cli2, fnum2, 0, buf, 160, 4) == 4) &&		
 	      (cli_read(cli2, fnum2, buf, 160, 4) == 4);		
 	EXPECTED(ret, True);
 	printf("the same process %s remove a read lock using write locking\n", ret?"can":"cannot");
 
 	ret = cli_lock(cli1, fnum1, 170, 4, 0, WRITE_LOCK) &&
-	      cli_unlock(cli1, fnum1, 170, 4) &&
+	      NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 170, 4)) &&
 	      (cli_write(cli2, fnum2, 0, buf, 170, 4) == 4) &&		
 	      (cli_read(cli2, fnum2, buf, 170, 4) == 4);		
 	EXPECTED(ret, True);
@@ -1752,7 +1752,7 @@ static bool run_locktest4(int dummy)
 
 	ret = cli_lock(cli1, fnum1, 190, 4, 0, WRITE_LOCK) &&
 	      cli_lock(cli1, fnum1, 190, 4, 0, READ_LOCK) &&
-	      cli_unlock(cli1, fnum1, 190, 4) &&
+	      NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 190, 4)) &&
 	      !(cli_write(cli2, fnum2, 0, buf, 190, 4) == 4) &&		
 	      (cli_read(cli2, fnum2, buf, 190, 4) == 4);		
 	EXPECTED(ret, True);
@@ -1861,7 +1861,7 @@ static bool run_locktest5(int dummy)
 	/* Unlock the first process lock, then check this was the WRITE lock that was
 		removed. */
 
-	ret = cli_unlock(cli1, fnum1, 0, 4) &&
+	ret = NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 0, 4)) &&
 			cli_lock(cli2, fnum2, 0, 4, 0, READ_LOCK);
 
 	EXPECTED(ret, True);
@@ -1872,15 +1872,15 @@ static bool run_locktest5(int dummy)
 
 	/* We should have 3 stacked locks here. Ensure we need to do 3 unlocks. */
 
-	ret = cli_unlock(cli1, fnum1, 1, 1) &&
-		  cli_unlock(cli1, fnum1, 0, 4) &&
-		  cli_unlock(cli1, fnum1, 0, 4);
+	ret = NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 1, 1)) &&
+		  NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 0, 4)) &&
+		  NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 0, 4));
 
 	EXPECTED(ret, True);
 	printf("the same process %s unlock the stack of 4 locks\n", ret?"can":"cannot"); 
 
 	/* Ensure the next unlock fails. */
-	ret = cli_unlock(cli1, fnum1, 0, 4);
+	ret = NT_STATUS_IS_OK(cli_unlock(cli1, fnum1, 0, 4));
 	EXPECTED(ret, False);
 	printf("the same process %s count the lock stack\n", !ret?"can":"cannot"); 
 
@@ -4296,14 +4296,14 @@ static bool run_simple_posix_open_test(int dummy)
 	}
 
 	/* Do a POSIX lock/unlock. */
-	if (!NT_STATUS_IS_OK(cli_posix_lock(cli1, fnum1, 0, 100, true, WRITE_LOCK))) {
-		printf("POSIX lock failed\n");
+	if (!NT_STATUS_IS_OK(cli_posix_lock(cli1, fnum1, 0, 100, true, READ_LOCK))) {
+		printf("POSIX lock failed %s\n", cli_errstr(cli1));
 		goto out;
 	}
 
 	/* Punch a hole in the locked area. */
 	if (!NT_STATUS_IS_OK(cli_posix_unlock(cli1, fnum1, 10, 80))) {
-		printf("POSIX unlock failed\n");
+		printf("POSIX unlock failed %s\n", cli_errstr(cli1));
 		goto out;
 	}