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-rw-r--r--source3/torture/test_posix_append.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/source3/torture/test_posix_append.c b/source3/torture/test_posix_append.c
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+++ b/source3/torture/test_posix_append.c
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+/*
+ Unix SMB/CIFS implementation.
+ reproducer for bug 6898
+ Copyright (C) Volker Lendecke 2009
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "torture/proto.h"
+#include "../libcli/security/security.h"
+#include "libsmb/libsmb.h"
+#include "libsmb/clirap.h"
+
+/*
+ * Make sure that GENERIC_WRITE does not trigger append. See
+ * https://bugzilla.samba.org/show_bug.cgi?id=6898
+ */
+
+bool run_posix_append(int dummy)
+{
+ struct cli_state *cli;
+ const char *fname = "append";
+ NTSTATUS status;
+ uint16_t fnum;
+ off_t size;
+ uint8_t c = '\0';
+ bool ret = false;
+
+ printf("Starting POSIX_APPEND\n");
+
+ if (!torture_open_connection(&cli, 0)) {
+ return false;
+ }
+
+ status = torture_setup_unix_extensions(cli);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("torture_setup_unix_extensions failed: %s\n",
+ nt_errstr(status));
+ goto fail;
+ }
+
+ status = cli_ntcreate(
+ cli, fname, 0,
+ GENERIC_WRITE_ACCESS|GENERIC_READ_ACCESS|DELETE_ACCESS,
+ FILE_ATTRIBUTE_NORMAL|FILE_FLAG_POSIX_SEMANTICS,
+ FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
+ FILE_OVERWRITE_IF,
+ FILE_NON_DIRECTORY_FILE|FILE_DELETE_ON_CLOSE,
+ 0, &fnum, NULL);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("cli_ntcreate failed: %s\n", nt_errstr(status));
+ goto fail;
+ }
+
+ /*
+ * Write two bytes at offset 0. With bug 6898 we would end up
+ * with a file of 2 byte length.
+ */
+
+ status = cli_writeall(cli, fnum, 0, &c, 0, sizeof(c), NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("cli_write failed: %s\n", nt_errstr(status));
+ goto fail;
+ }
+ status = cli_writeall(cli, fnum, 0, &c, 0, sizeof(c), NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("cli_write failed: %s\n", nt_errstr(status));
+ goto fail;
+ }
+
+ status = cli_qfileinfo_basic(
+ cli, fnum, NULL, &size, NULL, NULL, NULL, NULL, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("cli_qfileinfo_basic failed: %s\n", nt_errstr(status));
+ goto fail;
+ }
+
+ if (size != sizeof(c)) {
+ printf("BUG: Writing with O_APPEND!!\n");
+ goto fail;
+ }
+
+ ret = true;
+fail:
+ torture_close_connection(cli);
+ return ret;
+}