From f26a2ca8e43884a62bf5822e7571692870ecc7a1 Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Mon, 13 Jul 2009 08:59:32 +0200
Subject: s3:smbd: split out smbd_do_setfilepathinfo() from
 call_trans2setfilepathinfo()

metze
---
 source3/smbd/trans2.c | 404 +++++++++++++++++++++++++++-----------------------
 1 file changed, 216 insertions(+), 188 deletions(-)

(limited to 'source3/smbd')

diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index 6554fb67b7..54d873065c 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -7055,200 +7055,45 @@ static NTSTATUS smb_posix_unlink(connection_struct *conn,
 	return close_file(req, fsp, NORMAL_CLOSE);
 }
 
-/****************************************************************************
- Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
-****************************************************************************/
-
-static void call_trans2setfilepathinfo(connection_struct *conn,
-				       struct smb_request *req,
-				       unsigned int tran_call,
-				       char **pparams, int total_params,
-				       char **ppdata, int total_data,
-				       unsigned int max_data_bytes)
+static NTSTATUS smbd_do_setfilepathinfo(connection_struct *conn,
+					struct smb_request *req,
+					TALLOC_CTX *mem_ctx,
+					uint16_t info_level,
+					files_struct *fsp,
+					struct smb_filename *smb_fname,
+					char **ppdata, int total_data,
+					int *ret_data_size)
 {
-	char *params = *pparams;
 	char *pdata = *ppdata;
-	uint16 info_level;
 	SMB_STRUCT_STAT sbuf;
 	char *fname = NULL;
-	struct smb_filename *smb_fname = NULL;
-	files_struct *fsp = NULL;
 	NTSTATUS status = NT_STATUS_OK;
 	int data_return_size = 0;
-	TALLOC_CTX *ctx = talloc_tos();
-
-	if (!params) {
-		reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
-		return;
-	}
-
-	if (tran_call == TRANSACT2_SETFILEINFO) {
-		if (total_params < 4) {
-			reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
-			return;
-		}
-
-		fsp = file_fsp(req, SVAL(params,0));
-		/* Basic check for non-null fsp. */
-	        if (!check_fsp_open(conn, req, fsp)) {
-			return;
-		}
-		info_level = SVAL(params,2);
-
-		fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
-		if (!fname) {
-			reply_nterror(req, NT_STATUS_NO_MEMORY);
-			return;
-		}
-
-		status = create_synthetic_smb_fname_split(talloc_tos(), fname,
-							  NULL, &smb_fname);
-		if (!NT_STATUS_IS_OK(status)) {
-			reply_nterror(req, status);
-			return;
-		}
 
-		if(fsp->is_directory || fsp->fh->fd == -1) {
-			/*
-			 * This is actually a SETFILEINFO on a directory
-			 * handle (returned from an NT SMB). NT5.0 seems
-			 * to do this call. JRA.
-			 */
-			if (INFO_LEVEL_IS_UNIX(info_level)) {
-				/* Always do lstat for UNIX calls. */
-				if (SMB_VFS_LSTAT(conn, smb_fname)) {
-					DEBUG(3,("call_trans2setfilepathinfo: "
-						 "SMB_VFS_LSTAT of %s failed "
-						 "(%s)\n",
-						 smb_fname_str_dbg(smb_fname),
-						 strerror(errno)));
-					reply_nterror(req, map_nt_error_from_unix(errno));
-					return;
-				}
-			} else {
-				if (SMB_VFS_STAT(conn, smb_fname) != 0) {
-					DEBUG(3,("call_trans2setfilepathinfo: "
-						 "fileinfo of %s failed (%s)\n",
-						 smb_fname_str_dbg(smb_fname),
-						 strerror(errno)));
-					reply_nterror(req, map_nt_error_from_unix(errno));
-					return;
-				}
-			}
-		} else if (fsp->print_file) {
-			/*
-			 * Doing a DELETE_ON_CLOSE should cancel a print job.
-			 */
-			if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
-				fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
-
-				DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
-
-				SSVAL(params,0,0);
-				send_trans2_replies(conn, req, params, 2,
-						    *ppdata, 0,
-						    max_data_bytes);
-				return;
-			} else {
-				reply_doserror(req, ERRDOS, ERRbadpath);
-				return;
-			}
-		} else {
-			/*
-			 * Original code - this is an open file.
-			 */
-		        if (!check_fsp(conn, req, fsp)) {
-				return;
-			}
-
-			if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
-				DEBUG(3,("call_trans2setfilepathinfo: fstat "
-					 "of fnum %d failed (%s)\n", fsp->fnum,
-					 strerror(errno)));
-				reply_nterror(req, map_nt_error_from_unix(errno));
-				return;
-			}
-		}
-	} else {
-		/* set path info */
-		if (total_params < 7) {
-			reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
-			return;
-		}
-
-		info_level = SVAL(params,0);
-		srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
-				total_params - 6, STR_TERMINATE,
-				&status);
-		if (!NT_STATUS_IS_OK(status)) {
-			reply_nterror(req, status);
-			return;
-		}
-
-		status = filename_convert(ctx, conn,
-					 req->flags2 & FLAGS2_DFS_PATHNAMES,
-					 fname,
-					 &smb_fname,
-					 &fname);
-		if (!NT_STATUS_IS_OK(status)) {
-			if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
-				reply_botherror(req,
-						NT_STATUS_PATH_NOT_COVERED,
-						ERRSRV, ERRbadpath);
-				return;
-			}
-			reply_nterror(req, status);
-			return;
-		}
-
-		if (INFO_LEVEL_IS_UNIX(info_level)) {
-			/*
-			 * For CIFS UNIX extensions the target name may not exist.
-			 */
-
-			/* Always do lstat for UNIX calls. */
-			SMB_VFS_LSTAT(conn, smb_fname);
-
-		} else if (!VALID_STAT(smb_fname->st) &&
-			   SMB_VFS_STAT(conn, smb_fname)) {
-			DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
-				 "%s failed (%s)\n",
-				 smb_fname_str_dbg(smb_fname),
-				 strerror(errno)));
-			reply_nterror(req, map_nt_error_from_unix(errno));
-			return;
-		}
-	}
+	*ret_data_size = 0;
 
 	/* Set sbuf for use below. */
 	sbuf = smb_fname->st;
 
 	if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
-		reply_nterror(req, NT_STATUS_INVALID_LEVEL);
-		return;
+		return NT_STATUS_INVALID_LEVEL;
 	}
 
 	if (!CAN_WRITE(conn)) {
 		/* Allow POSIX opens. The open path will deny
 		 * any non-readonly opens. */
 		if (info_level != SMB_POSIX_PATH_OPEN) {
-			reply_doserror(req, ERRSRV, ERRaccess);
-			return;
+			return NT_STATUS_DOS(ERRSRV, ERRaccess);
 		}
 	}
 
-	DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
-		tran_call,fname, fsp ? fsp->fnum : -1, info_level,total_data));
-
-	/* Realloc the parameter size */
-	*pparams = (char *)SMB_REALLOC(*pparams,2);
-	if (*pparams == NULL) {
-		reply_nterror(req, NT_STATUS_NO_MEMORY);
-		return;
+	status = get_full_smb_filename(mem_ctx, smb_fname, &fname);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
 	}
-	params = *pparams;
 
-	SSVAL(params,0,0);
+	DEBUG(3,("smbd_do_setfilepathinfo: %s (fnum %d) info_level=%d totdata=%d\n",
+		fname, fsp ? fsp->fnum : -1, info_level, total_data));
 
 	switch (info_level) {
 
@@ -7374,10 +7219,9 @@ static void call_trans2setfilepathinfo(connection_struct *conn,
 
 		case SMB_SET_FILE_UNIX_LINK:
 		{
-			if (tran_call != TRANSACT2_SETPATHINFO) {
+			if (fsp) {
 				/* We must have a pathname for this. */
-				reply_nterror(req, NT_STATUS_INVALID_LEVEL);
-				return;
+				return NT_STATUS_INVALID_LEVEL;
 			}
 			status = smb_set_file_unix_link(conn, req, pdata,
 							total_data, fname);
@@ -7386,10 +7230,9 @@ static void call_trans2setfilepathinfo(connection_struct *conn,
 
 		case SMB_SET_FILE_UNIX_HLINK:
 		{
-			if (tran_call != TRANSACT2_SETPATHINFO || smb_fname == NULL) {
+			if (fsp || smb_fname == NULL) {
 				/* We must have a pathname for this. */
-				reply_nterror(req, NT_STATUS_INVALID_LEVEL);
-				return;
+				return NT_STATUS_INVALID_LEVEL;
 			}
 			status = smb_set_file_unix_hlink(conn, req,
 							 pdata,	total_data,
@@ -7420,9 +7263,8 @@ static void call_trans2setfilepathinfo(connection_struct *conn,
 
 		case SMB_SET_POSIX_LOCK:
 		{
-			if (tran_call != TRANSACT2_SETFILEINFO) {
-				reply_nterror(req, NT_STATUS_INVALID_LEVEL);
-				return;
+			if (fsp) {
+				return NT_STATUS_INVALID_LEVEL;
 			}
 			status = smb_set_posix_lock(conn, req,
 						    pdata, total_data, fsp);
@@ -7431,10 +7273,9 @@ static void call_trans2setfilepathinfo(connection_struct *conn,
 
 		case SMB_POSIX_PATH_OPEN:
 		{
-			if (tran_call != TRANSACT2_SETPATHINFO) {
+			if (fsp) {
 				/* We must have a pathname for this. */
-				reply_nterror(req, NT_STATUS_INVALID_LEVEL);
-				return;
+				return NT_STATUS_INVALID_LEVEL;
 			}
 
 			status = smb_posix_open(conn, req,
@@ -7448,10 +7289,9 @@ static void call_trans2setfilepathinfo(connection_struct *conn,
 
 		case SMB_POSIX_PATH_UNLINK:
 		{
-			if (tran_call != TRANSACT2_SETPATHINFO) {
+			if (fsp) {
 				/* We must have a pathname for this. */
-				reply_nterror(req, NT_STATUS_INVALID_LEVEL);
-				return;
+				return NT_STATUS_INVALID_LEVEL;
 			}
 
 			status = smb_posix_unlink(conn, req,
@@ -7462,10 +7302,199 @@ static void call_trans2setfilepathinfo(connection_struct *conn,
 		}
 
 		default:
-			reply_nterror(req, NT_STATUS_INVALID_LEVEL);
+			return NT_STATUS_INVALID_LEVEL;
+	}
+
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	*ret_data_size = data_return_size;
+	return NT_STATUS_OK;
+}
+
+/****************************************************************************
+ Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
+****************************************************************************/
+
+static void call_trans2setfilepathinfo(connection_struct *conn,
+				       struct smb_request *req,
+				       unsigned int tran_call,
+				       char **pparams, int total_params,
+				       char **ppdata, int total_data,
+				       unsigned int max_data_bytes)
+{
+	char *params = *pparams;
+	char *pdata = *ppdata;
+	uint16 info_level;
+	char *fname = NULL;
+	struct smb_filename *smb_fname = NULL;
+	files_struct *fsp = NULL;
+	NTSTATUS status = NT_STATUS_OK;
+	int data_return_size = 0;
+
+	if (!params) {
+		reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+		return;
+	}
+
+	if (tran_call == TRANSACT2_SETFILEINFO) {
+		if (total_params < 4) {
+			reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
+			return;
+		}
+
+		fsp = file_fsp(req, SVAL(params,0));
+		/* Basic check for non-null fsp. */
+	        if (!check_fsp_open(conn, req, fsp)) {
+			return;
+		}
+		info_level = SVAL(params,2);
+
+		fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
+		if (!fname) {
+			reply_nterror(req, NT_STATUS_NO_MEMORY);
+			return;
+		}
+
+		status = create_synthetic_smb_fname_split(talloc_tos(), fname,
+							  NULL, &smb_fname);
+		if (!NT_STATUS_IS_OK(status)) {
+			reply_nterror(req, status);
+			return;
+		}
+
+		if(fsp->is_directory || fsp->fh->fd == -1) {
+			/*
+			 * This is actually a SETFILEINFO on a directory
+			 * handle (returned from an NT SMB). NT5.0 seems
+			 * to do this call. JRA.
+			 */
+			if (INFO_LEVEL_IS_UNIX(info_level)) {
+				/* Always do lstat for UNIX calls. */
+				if (SMB_VFS_LSTAT(conn, smb_fname)) {
+					DEBUG(3,("call_trans2setfilepathinfo: "
+						 "SMB_VFS_LSTAT of %s failed "
+						 "(%s)\n",
+						 smb_fname_str_dbg(smb_fname),
+						 strerror(errno)));
+					reply_nterror(req, map_nt_error_from_unix(errno));
+					return;
+				}
+			} else {
+				if (SMB_VFS_STAT(conn, smb_fname) != 0) {
+					DEBUG(3,("call_trans2setfilepathinfo: "
+						 "fileinfo of %s failed (%s)\n",
+						 smb_fname_str_dbg(smb_fname),
+						 strerror(errno)));
+					reply_nterror(req, map_nt_error_from_unix(errno));
+					return;
+				}
+			}
+		} else if (fsp->print_file) {
+			/*
+			 * Doing a DELETE_ON_CLOSE should cancel a print job.
+			 */
+			if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
+				fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
+
+				DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
+
+				SSVAL(params,0,0);
+				send_trans2_replies(conn, req, params, 2,
+						    *ppdata, 0,
+						    max_data_bytes);
+				return;
+			} else {
+				reply_doserror(req, ERRDOS, ERRbadpath);
+				return;
+			}
+		} else {
+			/*
+			 * Original code - this is an open file.
+			 */
+		        if (!check_fsp(conn, req, fsp)) {
+				return;
+			}
+
+			if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
+				DEBUG(3,("call_trans2setfilepathinfo: fstat "
+					 "of fnum %d failed (%s)\n", fsp->fnum,
+					 strerror(errno)));
+				reply_nterror(req, map_nt_error_from_unix(errno));
+				return;
+			}
+		}
+	} else {
+		/* set path info */
+		if (total_params < 7) {
+			reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 			return;
+		}
+
+		info_level = SVAL(params,0);
+		srvstr_get_path(req, params, req->flags2, &fname, &params[6],
+				total_params - 6, STR_TERMINATE,
+				&status);
+		if (!NT_STATUS_IS_OK(status)) {
+			reply_nterror(req, status);
+			return;
+		}
+
+		status = filename_convert(req, conn,
+					 req->flags2 & FLAGS2_DFS_PATHNAMES,
+					 fname,
+					 &smb_fname,
+					 &fname);
+		if (!NT_STATUS_IS_OK(status)) {
+			if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
+				reply_botherror(req,
+						NT_STATUS_PATH_NOT_COVERED,
+						ERRSRV, ERRbadpath);
+				return;
+			}
+			reply_nterror(req, status);
+			return;
+		}
+
+		if (INFO_LEVEL_IS_UNIX(info_level)) {
+			/*
+			 * For CIFS UNIX extensions the target name may not exist.
+			 */
+
+			/* Always do lstat for UNIX calls. */
+			SMB_VFS_LSTAT(conn, smb_fname);
+
+		} else if (!VALID_STAT(smb_fname->st) &&
+			   SMB_VFS_STAT(conn, smb_fname)) {
+			DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
+				 "%s failed (%s)\n",
+				 smb_fname_str_dbg(smb_fname),
+				 strerror(errno)));
+			reply_nterror(req, map_nt_error_from_unix(errno));
+			return;
+		}
 	}
 
+	DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
+		tran_call, fname, fsp ? fsp->fnum : -1, info_level,total_data));
+
+	/* Realloc the parameter size */
+	*pparams = (char *)SMB_REALLOC(*pparams,2);
+	if (*pparams == NULL) {
+		reply_nterror(req, NT_STATUS_NO_MEMORY);
+		return;
+	}
+	params = *pparams;
+
+	SSVAL(params,0,0);
+
+	status = smbd_do_setfilepathinfo(conn, req, req,
+					 info_level,
+					 fsp,
+					 smb_fname,
+					 ppdata, total_data,
+					 &data_return_size);
 	if (!NT_STATUS_IS_OK(status)) {
 		if (open_was_deferred(req->mid)) {
 			/* We have re-scheduled this call. */
@@ -7489,7 +7518,6 @@ static void call_trans2setfilepathinfo(connection_struct *conn,
 		return;
 	}
 
-	SSVAL(params,0,0);
 	send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
 			    max_data_bytes);
 
-- 
cgit