s3: torture: Regression test case to specify exactly how UNIX extensions should act on files with streams.

If a stream is open, refuse the unlink. Ensure UNIX unlink
request can remove a file containing streams.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=12021

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Jul 20 05:20:29 CEST 2016 on sn-devel-144

4 files changed, 150 insertions, 2 deletions

diff --git a/selftest/skip b/selftest/skip
index 4ff727460ea..ba6718a31aa 100644
--- a/selftest/skip
+++ b/selftest/skip
@@ -47,6 +47,7 @@
 ^samba3.smbtorture_s3.plain\(ad_dc_ntvfs\).POSIX-SYMLINK-ACL # Fails against the s4 ntvfs server
 ^samba3.smbtorture_s3.plain\(ad_dc_ntvfs\).POSIX-SYMLINK-EA # Fails against the s4 ntvfs server
 ^samba3.smbtorture_s3.plain\(ad_dc_ntvfs\).POSIX-OFD-LOCK # Fails against the s4 ntvfs server
+^samba3.smbtorture_s3.plain\(ad_dc_ntvfs\).POSIX-STREAM-DELETE # Fails against the s4 ntvfs server
 ^samba3.smbtorture_s3.plain\(ad_dc_ntvfs\).PIDHIGH # Fails against the s4 ntvfs server
 ^samba3.smbtorture_s3.plain\(ad_dc_ntvfs\).NTTRANS-FSCTL # Fails against the s4 ntvfs server
 ^samba3.smbtorture_s3.plain\(ad_dc_ntvfs\).SMB2-NEGPROT # Fails against the s4 ntvfs server
diff --git a/selftest/target/Samba3.pm b/selftest/target/Samba3.pm
index 8a49cdb80b9..f5f4c0c3e01 100755
--- a/selftest/target/Samba3.pm
+++ b/selftest/target/Samba3.pm
@@ -1590,7 +1590,7 @@ sub provision($$$$$$$$)
 	force create mode = 0
 	directory mask = 0777
 	force directory mode = 0
-	vfs objects = xattr_tdb
+	vfs objects = xattr_tdb streams_depot
 [aio]
 	copy = tmp
 	aio read size = 1
diff --git a/source3/selftest/tests.py b/source3/selftest/tests.py
index e4b185bc124..7538f12f746 100755
--- a/source3/selftest/tests.py
+++ b/source3/selftest/tests.py
@@ -78,7 +78,8 @@ tests = ["RW1", "RW2", "RW3"]
 for t in tests:
     plantestsuite("samba3.smbtorture_s3.vfs_aio_fork(simpleserver).%s" % t, "simpleserver", [os.path.join(samba3srcdir, "script/tests/test_smbtorture_s3.sh"), t, '//$SERVER_IP/vfs_aio_fork', '$USERNAME', '$PASSWORD', smbtorture3, "", "-l $LOCAL_PATH"])
 
-posix_tests = ["POSIX", "POSIX-APPEND", "POSIX-SYMLINK-ACL", "POSIX-SYMLINK-EA", "POSIX-OFD-LOCK" ]
+posix_tests = ["POSIX", "POSIX-APPEND", "POSIX-SYMLINK-ACL", "POSIX-SYMLINK-EA", "POSIX-OFD-LOCK",
+              "POSIX-STREAM-DELETE" ]
 
 for t in posix_tests:
     plantestsuite("samba3.smbtorture_s3.plain(nt4_dc).%s" % t, "nt4_dc", [os.path.join(samba3srcdir, "script/tests/test_smbtorture_s3.sh"), t, '//$SERVER_IP/posix_share', '$USERNAME', '$PASSWORD', smbtorture3, "", "-l $LOCAL_PATH"])
diff --git a/source3/torture/torture.c b/source3/torture/torture.c
index 09266904bd2..f9766bbf1b2 100644
--- a/source3/torture/torture.c
+++ b/source3/torture/torture.c
@@ -6014,6 +6014,151 @@ static bool run_acl_symlink_test(int dummy)
 }
 
 /*
+  Test POSIX can delete a file containing streams.
+ */
+static bool run_posix_stream_delete(int dummy)
+{
+	struct cli_state *cli1 = NULL;
+	struct cli_state *cli2 = NULL;
+	const char *fname = "streamfile";
+	const char *stream_fname = "streamfile:Zone.Identifier:$DATA";
+	uint16_t fnum1 = (uint16_t)-1;
+	bool correct = false;
+	NTSTATUS status;
+	TALLOC_CTX *frame = NULL;
+
+	frame = talloc_stackframe();
+
+	printf("Starting POSIX stream delete test\n");
+
+	if (!torture_open_connection(&cli1, 0) ||
+			!torture_open_connection(&cli2, 1)) {
+		TALLOC_FREE(frame);
+		return false;
+	}
+
+	smbXcli_conn_set_sockopt(cli1->conn, sockops);
+	smbXcli_conn_set_sockopt(cli2->conn, sockops);
+
+	status = torture_setup_unix_extensions(cli2);
+	if (!NT_STATUS_IS_OK(status)) {
+		goto out;
+	}
+
+	cli_setatr(cli1, fname, 0, 0);
+	cli_unlink(cli1, fname, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
+
+	/* Create the file. */
+	status = cli_ntcreate(cli1,
+			fname,
+			0,
+			READ_CONTROL_ACCESS,
+			0,
+			FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
+			FILE_CREATE,
+			0x0,
+			0x0,
+			&fnum1,
+			NULL);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("cli_ntcreate of %s failed (%s)\n",
+			fname,
+			nt_errstr(status));
+		goto out;
+	}
+
+	status = cli_close(cli1, fnum1);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("cli_close of %s failed (%s)\n",
+			fname,
+			nt_errstr(status));
+		goto out;
+	}
+	fnum1 = (uint16_t)-1;
+
+	/* Now create the stream. */
+	status = cli_ntcreate(cli1,
+			stream_fname,
+			0,
+			FILE_WRITE_DATA,
+			0,
+			FILE_SHARE_READ|FILE_SHARE_WRITE,
+			FILE_CREATE,
+			0x0,
+			0x0,
+			&fnum1,
+			NULL);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("cli_ntcreate of %s failed (%s)\n",
+			stream_fname,
+			nt_errstr(status));
+		goto out;
+	}
+
+	/* Leave the stream handle open... */
+
+	/* POSIX unlink should fail. */
+	status = cli_posix_unlink(cli2, fname);
+	if (NT_STATUS_IS_OK(status)) {
+		printf("cli_posix_unlink of %s succeeded, should have failed\n",
+			fname);
+		goto out;
+	}
+
+	if (!NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
+		printf("cli_posix_unlink of %s failed with (%s) "
+			"should have been NT_STATUS_SHARING_VIOLATION\n",
+			fname,
+			nt_errstr(status));
+		goto out;
+	}
+
+	/* Close the stream handle. */
+	status = cli_close(cli1, fnum1);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("cli_close of %s failed (%s)\n",
+			stream_fname,
+			nt_errstr(status));
+		goto out;
+	}
+	fnum1 = (uint16_t)-1;
+
+	/* POSIX unlink after stream handle closed should succeed. */
+	status = cli_posix_unlink(cli2, fname);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("cli_posix_unlink of %s failed (%s)\n",
+			fname,
+			nt_errstr(status));
+		goto out;
+	}
+
+	printf("POSIX stream delete test passed\n");
+	correct = true;
+
+  out:
+
+	if (fnum1 != (uint16_t)-1) {
+		cli_close(cli1, fnum1);
+		fnum1 = (uint16_t)-1;
+	}
+
+	cli_setatr(cli1, fname, 0, 0);
+	cli_unlink(cli1, fname, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
+
+	if (!torture_close_connection(cli1)) {
+		correct = false;
+	}
+	if (!torture_close_connection(cli2)) {
+		correct = false;
+	}
+
+	TALLOC_FREE(frame);
+	return correct;
+}
+
+/*
   Test setting EA's are rejected on symlinks.
  */
 static bool run_ea_symlink_test(int dummy)
@@ -10297,6 +10442,7 @@ static struct {
 	{"POSIX-APPEND", run_posix_append, 0},
 	{"POSIX-SYMLINK-ACL", run_acl_symlink_test, 0},
 	{"POSIX-SYMLINK-EA", run_ea_symlink_test, 0},
+	{"POSIX-STREAM-DELETE", run_posix_stream_delete, 0},
 	{"POSIX-OFD-LOCK", run_posix_ofd_lock_test, 0},
 	{"CASE-INSENSITIVE-CREATE", run_case_insensitive_create, 0},
 	{"ASYNC-ECHO", run_async_echo, 0},