Attachment 17259 Details for Bug 15035 – Patch for 4.15 and 4.16 backported from master

[patch] Patch for 4.15 and 4.16 backported from master

bug15036-v415,v416.patch (text/plain), 13.58 KB, created by Ralph Böhme on 2022-04-01 14:54:12 UTC

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Creator: Ralph Böhme

Created: 2022-04-01 14:54:12 UTC

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patch

obsolete

>From 5524ee006ebe2d8873f47a563e00492913425113 Mon Sep 17 00:00:00 2001
>From: Ralph Boehme <slow@samba.org>
>Date: Mon, 28 Mar 2022 20:05:26 +0200
>Subject: [PATCH 1/3] CI: avoid smb2.twrp being run by
> plansmbtorture4testsuite() directly
>
>This should only be run by a blackbox test.
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=15035
>
>Signed-off-by: Ralph Boehme <slow@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>(backported from commit f734e960eb7ad98808ad8757de51c51d3db86a2b)
>[slow@samba.org: conflict in source3/selftest/tests.py caused by new test in master not present in 4.16]
>---
> source3/selftest/tests.py | 3 +++
> source4/selftest/tests.py | 1 +
> 2 files changed, 4 insertions(+)
>
>diff --git a/source3/selftest/tests.py b/source3/selftest/tests.py
>index 7fbc5e385fc8..4e7e1e9c0b7a 100755
>--- a/source3/selftest/tests.py
>+++ b/source3/selftest/tests.py
>@@ -1015,6 +1015,9 @@ tests = base + raw + smb2 + rpc + unix + local + rap + nbt + idmap + vfs
>         plansmbtorture4testsuite("smb2.async_dosmode",
>                                  "simpleserver",
>                                  "//$SERVER_IP/async_dosmode_shadow_copy2 -U$USERNAME%$PASSWORD")
>+    elif t == "smb2.twrp":
>+        # This is being driven by samba3.blackbox.shadow_copy_torture
>+        pass
>     elif t == "rpc.wkssvc":
>         plansmbtorture4testsuite(t, "ad_member", '//$SERVER/tmp -U$DC_USERNAME%$DC_PASSWORD')
>     elif t == "rpc.srvsvc":
>diff --git a/source4/selftest/tests.py b/source4/selftest/tests.py
>index a2df97f90595..53978966f7c9 100755
>--- a/source4/selftest/tests.py
>+++ b/source4/selftest/tests.py
>@@ -380,6 +380,7 @@ smb2_s3only = [
>     "smb2.fileid_unique",
>     "smb2.timestamps",
>     "smb2.async_dosmode",
>+    "smb2.twrp",
> ]
> smb2 = [x for x in smbtorture4_testsuites("smb2.") if x not in smb2_s3only]
> 
>-- 
>2.35.1
>
>
>From 6600ceb4a8e454408700f94a26554b4717a4bb85 Mon Sep 17 00:00:00 2001
>From: Ralph Boehme <slow@samba.org>
>Date: Thu, 24 Mar 2022 17:31:00 +0100
>Subject: [PATCH 2/3] CI: add a test listing a snapshotted directory
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=15035
>
>Signed-off-by: Ralph Boehme <slow@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>(cherry picked from commit ba9c5ba8ec54e72d68e3f753a5350afe0fb50a7c)
>---
> .../samba3.blackbox.shadow_copy_torture       |   1 +
> .../script/tests/test_shadow_copy_torture.sh  |  21 +++
> source4/torture/smb2/create.c                 | 168 ++++++++++++++++++
> 3 files changed, 190 insertions(+)
> create mode 100644 selftest/knownfail.d/samba3.blackbox.shadow_copy_torture
>
>diff --git a/selftest/knownfail.d/samba3.blackbox.shadow_copy_torture b/selftest/knownfail.d/samba3.blackbox.shadow_copy_torture
>new file mode 100644
>index 000000000000..36f2acb7f3bf
>--- /dev/null
>+++ b/selftest/knownfail.d/samba3.blackbox.shadow_copy_torture
>@@ -0,0 +1 @@
>+^samba3.blackbox.shadow_copy_torture.fix inodes when listing directory$fileserver$
>diff --git a/source3/script/tests/test_shadow_copy_torture.sh b/source3/script/tests/test_shadow_copy_torture.sh
>index 4ae2f9f707f7..8f9d1be69279 100755
>--- a/source3/script/tests/test_shadow_copy_torture.sh
>+++ b/source3/script/tests/test_shadow_copy_torture.sh
>@@ -191,6 +191,25 @@ test_hiddenfile()
>     return 0
> }
> 
>+test_shadow_copy_listdir_fix_inodes()
>+{
>+    local msg
>+
>+    msg=$1
>+
>+    #delete snapshots from previous tests
>+    find $WORKDIR -name ".snapshots" -exec rm -rf {} \; 1>/dev/null 2>&1
>+    build_snapshots
>+
>+    testit "$msg" \
>+	   $SMBTORTURE \
>+	   -U$USERNAME%$PASSWORD \
>+	   "//$SERVER/shadow_write" \
>+	   --option="torture:twrp_snapshot=$SNAPSHOT" \
>+	   smb2.twrp.listdir || \
>+        failed=`expr $failed + 1`
>+}
>+
> build_files $WORKDIR
> 
> # test open for writing and write behaviour of snapshoted files
>@@ -204,4 +223,6 @@ testit "fix inodes with hardlink" test_shadow_copy_fix_inodes || failed=`expr $f
> 
> testit "Test reading DOS attribute" test_hiddenfile || failed=`expr $failed + 1`
> 
>+test_shadow_copy_listdir_fix_inodes "fix inodes when listing directory"
>+
> exit $failed
>diff --git a/source4/torture/smb2/create.c b/source4/torture/smb2/create.c
>index 41a6ed6e4e40..09eab3f13310 100644
>--- a/source4/torture/smb2/create.c
>+++ b/source4/torture/smb2/create.c
>@@ -1965,6 +1965,173 @@ static bool test_twrp_openroot(struct torture_context *tctx, struct smb2_tree *t
> 	return ret;
> }
> 
>+static bool test_twrp_listdir(struct torture_context *tctx,
>+			      struct smb2_tree *tree)
>+{
>+	struct smb2_create create;
>+	struct smb2_handle h = {{0}};
>+	struct smb2_find find;
>+	unsigned int count;
>+	union smb_search_data *d;
>+	char *p = NULL;
>+	struct tm tm;
>+	time_t t;
>+	uint64_t nttime;
>+	const char *snapshot = NULL;
>+	uint64_t normal_fileid;
>+	uint64_t snapshot_fileid;
>+	NTSTATUS status;
>+	bool ret = true;
>+
>+	snapshot = torture_setting_string(tctx, "twrp_snapshot", NULL);
>+	if (snapshot == NULL) {
>+		torture_fail(tctx, "missing 'twrp_snapshot' option\n");
>+	}
>+
>+	torture_comment(tctx, "Testing File-Ids of directory listing "
>+			"with timewarp (%s)\n",
>+			snapshot);
>+
>+	setenv("TZ", "GMT", 1);
>+
>+	/* strptime does not set tm.tm_isdst but mktime assumes DST is in
>+	 * effect if it is greather than 1. */
>+	ZERO_STRUCT(tm);
>+
>+	p = strptime(snapshot, "@GMT-%Y.%m.%d-%H.%M.%S", &tm);
>+	torture_assert_goto(tctx, p != NULL, ret, done, "strptime\n");
>+	torture_assert_goto(tctx, *p == '\0', ret, done, "strptime\n");
>+
>+	t = mktime(&tm);
>+	unix_to_nt_time(&nttime, t);
>+
>+	/*
>+	 * 1: Query the file's File-Id
>+	 */
>+	create = (struct smb2_create) {
>+		.in.desired_access = SEC_FILE_READ_DATA,
>+		.in.share_access = NTCREATEX_SHARE_ACCESS_MASK,
>+		.in.file_attributes = FILE_ATTRIBUTE_NORMAL,
>+		.in.create_disposition = NTCREATEX_DISP_OPEN,
>+		.in.fname = "subdir/hardlink",
>+		.in.query_on_disk_id = true,
>+	};
>+
>+	status = smb2_create(tree, tctx, &create);
>+	torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
>+					"test file could not be created\n");
>+	smb2_util_close(tree, create.out.file.handle);
>+	normal_fileid = BVAL(&create.out.on_disk_id, 0);
>+
>+	/*
>+	 * 2: check directory listing of the file returns same File-Id
>+	 */
>+
>+	create = (struct smb2_create) {
>+		.in.desired_access = SEC_DIR_LIST,
>+		.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY,
>+		.in.create_disposition = NTCREATEX_DISP_OPEN,
>+		.in.share_access = NTCREATEX_SHARE_ACCESS_MASK,
>+		.in.fname = "subdir",
>+		.in.create_options = NTCREATEX_OPTIONS_DIRECTORY,
>+	};
>+
>+	status = smb2_create(tree, tctx, &create);
>+	torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
>+					"smb2_create\n");
>+	h = create.out.file.handle;
>+
>+	find = (struct smb2_find) {
>+		.in.file.handle = h,
>+		.in.pattern = "*",
>+		.in.max_response_size = 0x1000,
>+		.in.level = SMB2_FIND_ID_BOTH_DIRECTORY_INFO,
>+	};
>+
>+	status = smb2_find_level(tree, tree, &find, &count, &d);
>+	torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
>+					"smb2_find_level failed\n");
>+
>+	smb2_util_close(tree, h);
>+
>+	torture_assert_int_equal_goto(tctx, count, 3, ret, done, "Bad count\n");
>+	torture_assert_str_equal_goto(tctx,
>+				      d[2].id_both_directory_info.name.s,
>+				      "hardlink",
>+				      ret, done, "bad name");
>+	torture_assert_u64_equal_goto(tctx,
>+				      d[2].id_both_directory_info.file_id,
>+				      normal_fileid,
>+				      ret, done, "bad fileid\n");
>+
>+	/*
>+	 * 3: Query File-Id of snapshot of the file and check the File-Id is
>+	 * different compared to the basefile
>+	 */
>+
>+	create = (struct smb2_create) {
>+		.in.desired_access = SEC_FILE_READ_DATA,
>+		.in.share_access = NTCREATEX_SHARE_ACCESS_MASK,
>+		.in.file_attributes = FILE_ATTRIBUTE_NORMAL,
>+		.in.create_disposition = NTCREATEX_DISP_OPEN,
>+		.in.fname = "subdir/hardlink",
>+		.in.query_on_disk_id = true,
>+		.in.timewarp = nttime,
>+	};
>+
>+	status = smb2_create(tree, tctx, &create);
>+	torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
>+					"test file could not be created\n");
>+	smb2_util_close(tree, create.out.file.handle);
>+
>+	snapshot_fileid = BVAL(&create.out.on_disk_id, 0);
>+
>+	/*
>+	 * 4: List directory of the snapshot and check the File-Id returned here
>+	 * is the same as in 3.
>+	 */
>+
>+	create = (struct smb2_create) {
>+		.in.desired_access = SEC_DIR_LIST,
>+		.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY,
>+		.in.create_disposition = NTCREATEX_DISP_OPEN,
>+		.in.share_access = NTCREATEX_SHARE_ACCESS_MASK,
>+		.in.fname = "subdir",
>+		.in.create_options = NTCREATEX_OPTIONS_DIRECTORY,
>+		.in.timewarp = nttime,
>+	};
>+
>+	status = smb2_create(tree, tctx, &create);
>+	torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
>+					"smb2_create\n");
>+	h = create.out.file.handle;
>+
>+	find = (struct smb2_find) {
>+		.in.file.handle = h,
>+		.in.pattern = "*",
>+		.in.max_response_size = 0x1000,
>+		.in.level = SMB2_FIND_ID_BOTH_DIRECTORY_INFO,
>+	};
>+
>+	status = smb2_find_level(tree, tree, &find, &count, &d);
>+	torture_assert_ntstatus_ok_goto(tctx, status, ret, done,
>+					"smb2_find_level failed\n");
>+	smb2_util_close(tree, h);
>+
>+	torture_assert_int_equal_goto(tctx, count, 3, ret, done, "Bad count\n");
>+	torture_assert_str_equal_goto(tctx,
>+				      d[2].id_both_directory_info.name.s,
>+				      "hardlink",
>+				      ret, done, "bad name");
>+	torture_assert_u64_equal_goto(tctx,
>+				      snapshot_fileid,
>+				      d[2].id_both_directory_info.file_id,
>+				      ret, done, "bad fileid\n");
>+
>+done:
>+	return ret;
>+}
>+
> static bool test_fileid(struct torture_context *tctx,
> 			struct smb2_tree *tree)
> {
>@@ -2988,6 +3155,7 @@ struct torture_suite *torture_smb2_twrp_init(TALLOC_CTX *ctx)
> 	torture_suite_add_1smb2_test(suite, "write", test_twrp_write);
> 	torture_suite_add_1smb2_test(suite, "stream", test_twrp_stream);
> 	torture_suite_add_1smb2_test(suite, "openroot", test_twrp_openroot);
>+	torture_suite_add_1smb2_test(suite, "listdir", test_twrp_listdir);
> 
> 	suite->description = talloc_strdup(suite, "SMB2-TWRP tests");
> 
>-- 
>2.35.1
>
>
>From fec9d55cff6d22c4b5442e828e2e2cb8d39a7371 Mon Sep 17 00:00:00 2001
>From: Ralph Boehme <slow@samba.org>
>Date: Thu, 24 Mar 2022 16:25:22 +0100
>Subject: [PATCH 3/3] vfs_shadow_copy2: implement readdir()
>
>RN: shadow_copy2 fails listing snapshotted dirs with shadow:fixinodes
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=15035
>
>Signed-off-by: Ralph Boehme <slow@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>
>Autobuild-User(master): Jeremy Allison <jra@samba.org>
>Autobuild-Date(master): Thu Mar 31 18:47:42 UTC 2022 on sn-devel-184
>
>(cherry picked from commit 9fa67ba8eeb6249d4b91b894e80eb1985c845314)
>---
> .../samba3.blackbox.shadow_copy_torture       |  1 -
> source3/modules/vfs_shadow_copy2.c            | 91 +++++++++++++++++++
> 2 files changed, 91 insertions(+), 1 deletion(-)
> delete mode 100644 selftest/knownfail.d/samba3.blackbox.shadow_copy_torture
>
>diff --git a/selftest/knownfail.d/samba3.blackbox.shadow_copy_torture b/selftest/knownfail.d/samba3.blackbox.shadow_copy_torture
>deleted file mode 100644
>index 36f2acb7f3bf..000000000000
>--- a/selftest/knownfail.d/samba3.blackbox.shadow_copy_torture
>+++ /dev/null
>@@ -1 +0,0 @@
>-^samba3.blackbox.shadow_copy_torture.fix inodes when listing directory$fileserver$
>diff --git a/source3/modules/vfs_shadow_copy2.c b/source3/modules/vfs_shadow_copy2.c
>index 769f8c7da873..05b12d4924cf 100644
>--- a/source3/modules/vfs_shadow_copy2.c
>+++ b/source3/modules/vfs_shadow_copy2.c
>@@ -3234,6 +3234,96 @@ static int shadow_copy2_connect(struct vfs_handle_struct *handle,
> 	return 0;
> }
> 
>+static struct dirent *shadow_copy2_readdir(vfs_handle_struct *handle,
>+					   struct files_struct *dirfsp,
>+					   DIR *dirp,
>+					   SMB_STRUCT_STAT *sbuf)
>+{
>+	struct shadow_copy2_private *priv = NULL;
>+	struct dirent *ent = NULL;
>+	struct smb_filename atname;
>+	struct smb_filename *full_fname = NULL;
>+	time_t timestamp = 0;
>+	char *stripped = NULL;
>+	char *conv = NULL;
>+	char *abspath = NULL;
>+	bool converted = false;
>+
>+	SMB_VFS_HANDLE_GET_DATA(handle, priv, struct shadow_copy2_private,
>+				return NULL);
>+
>+	ent = SMB_VFS_NEXT_READDIR(handle, dirfsp, dirp, sbuf);
>+	if (ent == NULL) {
>+		return NULL;
>+	}
>+	if (sbuf == NULL) {
>+		return ent;
>+	}
>+	if (ISDOT(dirfsp->fsp_name->base_name) && ISDOTDOT(ent->d_name)) {
>+		return ent;
>+	}
>+
>+	atname = (struct smb_filename) {
>+		.base_name = ent->d_name,
>+		.twrp = dirfsp->fsp_name->twrp,
>+		.flags = dirfsp->fsp_name->flags,
>+	};
>+
>+	full_fname = full_path_from_dirfsp_atname(talloc_tos(),
>+						  dirfsp,
>+						  &atname);
>+	if (full_fname == NULL) {
>+		return NULL;
>+	}
>+
>+	if (!shadow_copy2_strip_snapshot_converted(talloc_tos(),
>+						   handle,
>+						   full_fname,
>+						   &timestamp,
>+						   &stripped,
>+						   &converted)) {
>+		TALLOC_FREE(full_fname);
>+		return NULL;
>+	}
>+
>+	if (timestamp == 0 && !converted) {
>+		/* Not a snapshot path, no need for convert_sbuf() */
>+		TALLOC_FREE(stripped);
>+		TALLOC_FREE(full_fname);
>+		return ent;
>+	}
>+
>+	if (timestamp == 0) {
>+		abspath = make_path_absolute(talloc_tos(),
>+					     priv,
>+					     full_fname->base_name);
>+		TALLOC_FREE(full_fname);
>+		if (abspath == NULL) {
>+			return NULL;
>+		}
>+	} else {
>+		conv = shadow_copy2_convert(talloc_tos(),
>+					    handle,
>+					    stripped,
>+					    timestamp);
>+		TALLOC_FREE(stripped);
>+		if (conv == NULL) {
>+			return NULL;
>+		}
>+
>+		abspath = make_path_absolute(talloc_tos(), priv, conv);
>+		TALLOC_FREE(conv);
>+		if (abspath == NULL) {
>+			return NULL;
>+		}
>+	}
>+
>+	convert_sbuf(handle, abspath, sbuf);
>+
>+	TALLOC_FREE(abspath);
>+	return ent;
>+}
>+
> static struct vfs_fn_pointers vfs_shadow_copy2_fns = {
> 	.connect_fn = shadow_copy2_connect,
> 	.disk_free_fn = shadow_copy2_disk_free,
>@@ -3264,6 +3354,7 @@ static struct vfs_fn_pointers vfs_shadow_copy2_fns = {
> 	.pwrite_recv_fn = shadow_copy2_pwrite_recv,
> 	.connectpath_fn = shadow_copy2_connectpath,
> 	.parent_pathname_fn = shadow_copy2_parent_pathname,
>+	.readdir_fn = shadow_copy2_readdir,
> };
> 
> static_decl_vfs;
>-- 
>2.35.1
>

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Attachments on bug 15035: 17259 | 17260 | 17263