mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
smbd: Simplify call_trans2setfilepathinfo()
Move the file/path specific preparations to the respective callers. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
This commit is contained in:
Volker Lendecke
Ralph Boehme
parent
6619b16fec
commit
f72572ff6f
@ -2362,204 +2362,16 @@ total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pd
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static void call_trans2setfilepathinfo(connection_struct *conn,
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struct smb_request *req,
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unsigned int tran_call,
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uint16_t info_level,
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struct smb_filename *smb_fname,
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struct files_struct *fsp,
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char **pparams, int total_params,
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char **ppdata, int total_data,
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unsigned int max_data_bytes)
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{
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char *params = *pparams;
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char *pdata = *ppdata;
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uint16_t info_level;
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struct smb_filename *smb_fname = NULL;
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struct files_struct *dirfsp = NULL;
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files_struct *fsp = NULL;
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NTSTATUS status = NT_STATUS_OK;
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int data_return_size = 0;
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int ret;
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if (!params) {
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reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
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return;
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}
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if (tran_call == TRANSACT2_SETFILEINFO) {
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if (total_params < 4) {
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reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
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return;
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}
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fsp = file_fsp(req, SVAL(params,0));
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/* Basic check for non-null fsp. */
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if (!check_fsp_open(conn, req, fsp)) {
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return;
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}
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info_level = SVAL(params,2);
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if (INFO_LEVEL_IS_UNIX(info_level)) {
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if (!lp_smb1_unix_extensions()) {
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reply_nterror(req, NT_STATUS_INVALID_LEVEL);
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return;
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}
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if (!req->posix_pathnames) {
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reply_nterror(req, NT_STATUS_INVALID_LEVEL);
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return;
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}
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}
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smb_fname = fsp->fsp_name;
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if (fsp_get_pathref_fd(fsp) == -1) {
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/*
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* This is actually a SETFILEINFO on a directory
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* handle (returned from an NT SMB). NT5.0 seems
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* to do this call. JRA.
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*/
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ret = vfs_stat(conn, smb_fname);
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if (ret != 0) {
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DBG_NOTICE("vfs_stat of %s failed (%s)\n",
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smb_fname_str_dbg(smb_fname),
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strerror(errno));
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reply_nterror(req,
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map_nt_error_from_unix(errno));
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return;
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}
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} else if (fsp->print_file) {
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/*
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* Doing a DELETE_ON_CLOSE should cancel a print job.
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*/
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if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
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fsp->fsp_flags.delete_on_close = true;
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DEBUG(3,("call_trans2setfilepathinfo: "
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"Cancelling print job (%s)\n",
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fsp_str_dbg(fsp)));
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SSVAL(params,0,0);
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send_trans2_replies(conn, req, NT_STATUS_OK, params, 2,
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*ppdata, 0,
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max_data_bytes);
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return;
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} else {
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reply_nterror(req,
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NT_STATUS_OBJECT_PATH_NOT_FOUND);
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return;
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}
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} else {
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/*
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* Original code - this is an open file.
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*/
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status = vfs_stat_fsp(fsp);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(3,("call_trans2setfilepathinfo: fstat "
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"of %s failed (%s)\n", fsp_fnum_dbg(fsp),
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nt_errstr(status)));
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reply_nterror(req, status);
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return;
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}
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}
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} else {
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char *fname = NULL;
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uint32_t ucf_flags = ucf_flags_from_smb_request(req);
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bool require_existing_object = true;
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NTTIME twrp = 0;
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/* set path info */
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if (total_params < 7) {
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reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
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return;
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}
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info_level = SVAL(params,0);
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if (INFO_LEVEL_IS_UNIX(info_level)) {
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if (!lp_smb1_unix_extensions()) {
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reply_nterror(req, NT_STATUS_INVALID_LEVEL);
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return;
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}
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if (!req->posix_pathnames) {
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reply_nterror(req, NT_STATUS_INVALID_LEVEL);
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return;
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}
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}
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if (req->posix_pathnames) {
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srvstr_get_path_posix(req,
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params,
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req->flags2,
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&fname,
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¶ms[6],
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total_params - 6,
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STR_TERMINATE,
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&status);
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} else {
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srvstr_get_path(req,
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params,
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req->flags2,
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&fname,
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¶ms[6],
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total_params - 6,
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STR_TERMINATE,
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&status);
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}
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if (!NT_STATUS_IS_OK(status)) {
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reply_nterror(req, status);
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return;
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}
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if (ucf_flags & UCF_GMT_PATHNAME) {
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extract_snapshot_token(fname, &twrp);
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}
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status = filename_convert_dirfsp(req,
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conn,
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fname,
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ucf_flags,
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twrp,
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&dirfsp,
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&smb_fname);
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if (!NT_STATUS_IS_OK(status)) {
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if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
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reply_botherror(req,
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NT_STATUS_PATH_NOT_COVERED,
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ERRSRV, ERRbadpath);
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return;
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}
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reply_nterror(req, status);
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return;
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}
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/*
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* smb_fname->fsp may be NULL if smb_fname points at a symlink
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* and we're in POSIX context, so be careful when using fsp
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* below, it can still be NULL.
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*/
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fsp = smb_fname->fsp;
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/*
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* There are 4 info levels which can
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* create a new object in the filesystem.
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* They are:
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* SMB_SET_FILE_UNIX_LINK -> creates POSIX symlink.
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* SMB_POSIX_PATH_OPEN -> creates POSIX file or directory.
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* SMB_SET_FILE_UNIX_BASIC:
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* SMB_SET_FILE_UNIX_INFO2: can create a POSIX special file.
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*
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* These info levels do not require an existing object.
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*/
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switch (info_level) {
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case SMB_SET_FILE_UNIX_LINK:
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case SMB_POSIX_PATH_OPEN:
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case SMB_SET_FILE_UNIX_BASIC:
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case SMB_SET_FILE_UNIX_INFO2:
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require_existing_object = false;
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break;
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default:
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break;
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}
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if (!VALID_STAT(smb_fname->st) && require_existing_object) {
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reply_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
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}
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}
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DEBUG(3,("call_trans2setfilepathinfo(%d) %s (%s) info_level=%d "
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"totdata=%d\n", tran_call, smb_fname_str_dbg(smb_fname),
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@ -2635,10 +2447,126 @@ static void call_trans2setpathinfo(
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int total_data,
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unsigned int max_data_bytes)
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{
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uint16_t info_level;
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struct smb_filename *smb_fname = NULL;
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struct files_struct *dirfsp = NULL;
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struct files_struct *fsp = NULL;
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char *params = *pparams;
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uint32_t ucf_flags = ucf_flags_from_smb_request(req);
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bool require_existing_object = true;
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NTTIME twrp = 0;
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char *fname = NULL;
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NTSTATUS status;
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if (params == NULL) {
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reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
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return;
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}
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/* set path info */
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if (total_params < 7) {
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reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
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return;
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}
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info_level = SVAL(params,0);
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if (INFO_LEVEL_IS_UNIX(info_level)) {
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if (!lp_smb1_unix_extensions()) {
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reply_nterror(req, NT_STATUS_INVALID_LEVEL);
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return;
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}
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if (!req->posix_pathnames) {
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reply_nterror(req, NT_STATUS_INVALID_LEVEL);
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return;
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}
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}
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if (req->posix_pathnames) {
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srvstr_get_path_posix(req,
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params,
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req->flags2,
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&fname,
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¶ms[6],
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total_params - 6,
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STR_TERMINATE,
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&status);
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} else {
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srvstr_get_path(req,
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params,
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req->flags2,
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&fname,
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¶ms[6],
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total_params - 6,
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STR_TERMINATE,
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&status);
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}
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if (!NT_STATUS_IS_OK(status)) {
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reply_nterror(req, status);
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return;
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}
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if (ucf_flags & UCF_GMT_PATHNAME) {
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extract_snapshot_token(fname, &twrp);
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}
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status = filename_convert_dirfsp(req,
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conn,
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fname,
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ucf_flags,
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twrp,
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&dirfsp,
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&smb_fname);
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if (!NT_STATUS_IS_OK(status)) {
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if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
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reply_botherror(req,
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NT_STATUS_PATH_NOT_COVERED,
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ERRSRV, ERRbadpath);
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return;
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}
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reply_nterror(req, status);
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return;
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}
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/*
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* smb_fname->fsp may be NULL if smb_fname points at a symlink
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* and we're in POSIX context, so be careful when using fsp
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* below, it can still be NULL.
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*/
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fsp = smb_fname->fsp;
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/*
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* There are 4 info levels which can
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* create a new object in the filesystem.
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* They are:
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* SMB_SET_FILE_UNIX_LINK -> creates POSIX symlink.
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* SMB_POSIX_PATH_OPEN -> creates POSIX file or directory.
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* SMB_SET_FILE_UNIX_BASIC:
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* SMB_SET_FILE_UNIX_INFO2: can create a POSIX special file.
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*
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* These info levels do not require an existing object.
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*/
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switch (info_level) {
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case SMB_SET_FILE_UNIX_LINK:
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case SMB_POSIX_PATH_OPEN:
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case SMB_SET_FILE_UNIX_BASIC:
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case SMB_SET_FILE_UNIX_INFO2:
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require_existing_object = false;
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break;
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default:
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break;
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}
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if (!VALID_STAT(smb_fname->st) && require_existing_object) {
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reply_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
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}
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call_trans2setfilepathinfo(
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conn,
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req,
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TRANSACT2_SETPATHINFO,
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info_level,
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smb_fname,
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fsp,
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pparams,
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total_params,
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ppdata,
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@ -2655,10 +2583,104 @@ static void call_trans2setfileinfo(
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int total_data,
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unsigned int max_data_bytes)
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{
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char *pdata = *ppdata;
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uint16_t info_level;
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struct smb_filename *smb_fname = NULL;
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struct files_struct *fsp = NULL;
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char *params = *pparams;
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NTSTATUS status;
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int ret;
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if (params == NULL) {
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reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
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return;
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}
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if (total_params < 4) {
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reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
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return;
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}
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fsp = file_fsp(req, SVAL(params,0));
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/* Basic check for non-null fsp. */
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if (!check_fsp_open(conn, req, fsp)) {
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return;
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}
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info_level = SVAL(params,2);
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if (INFO_LEVEL_IS_UNIX(info_level)) {
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if (!lp_smb1_unix_extensions()) {
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reply_nterror(req, NT_STATUS_INVALID_LEVEL);
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return;
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}
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if (!req->posix_pathnames) {
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reply_nterror(req, NT_STATUS_INVALID_LEVEL);
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return;
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}
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}
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smb_fname = fsp->fsp_name;
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if (fsp_get_pathref_fd(fsp) == -1) {
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/*
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* This is actually a SETFILEINFO on a directory
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* handle (returned from an NT SMB). NT5.0 seems
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* to do this call. JRA.
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*/
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ret = vfs_stat(conn, smb_fname);
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if (ret != 0) {
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DBG_NOTICE("vfs_stat of %s failed (%s)\n",
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smb_fname_str_dbg(smb_fname),
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strerror(errno));
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reply_nterror(req, map_nt_error_from_unix(errno));
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return;
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}
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} else if (fsp->print_file) {
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/*
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* Doing a DELETE_ON_CLOSE should cancel a print job.
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*/
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if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) &&
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CVAL(pdata,0)) {
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fsp->fsp_flags.delete_on_close = true;
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DBG_NOTICE("Cancelling print job (%s)\n",
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fsp_str_dbg(fsp));
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SSVAL(params,0,0);
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send_trans2_replies(
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conn,
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req,
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NT_STATUS_OK,
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params,
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2,
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*ppdata, 0,
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max_data_bytes);
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return;
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} else {
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reply_nterror(req, NT_STATUS_OBJECT_PATH_NOT_FOUND);
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return;
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}
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} else {
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/*
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* Original code - this is an open file.
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*/
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status = vfs_stat_fsp(fsp);
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if (!NT_STATUS_IS_OK(status)) {
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DBG_NOTICE("fstat of %s failed (%s)\n",
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fsp_fnum_dbg(fsp),
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nt_errstr(status));
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reply_nterror(req, status);
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return;
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}
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}
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call_trans2setfilepathinfo(
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conn,
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req,
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TRANSACT2_SETFILEINFO,
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info_level,
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smb_fname,
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fsp,
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pparams,
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total_params,
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ppdata,
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