From 83284e13f91f685b8dcccb9202e33fe64e6930b2 Mon Sep 17 00:00:00 2001
From: Tim Prouty <tprouty@samba.org>
Date: Tue, 21 Jul 2009 15:55:25 -0700
Subject: s3: Convert some callers of vfs_lstat_smb_fname to SMB_VFS_LSTAT()

---
 source3/smbd/msdfs.c | 20 ++++++++++++++------
 source3/smbd/vfs.c   | 19 ++++++++++++++++---
 2 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/source3/smbd/msdfs.c b/source3/smbd/msdfs.c
index d40b8a89028..2b63eb17432 100644
--- a/source3/smbd/msdfs.c
+++ b/source3/smbd/msdfs.c
@@ -411,7 +411,6 @@ static bool is_msdfs_link_internal(TALLOC_CTX *ctx,
 			char **pp_link_target,
 			SMB_STRUCT_STAT *sbufp)
 {
-	SMB_STRUCT_STAT st;
 	int referral_len = 0;
 #if defined(HAVE_BROKEN_READLINK)
 	char link_target_buf[PATH_MAX];
@@ -420,6 +419,8 @@ static bool is_msdfs_link_internal(TALLOC_CTX *ctx,
 #endif
 	size_t bufsize = 0;
 	char *link_target = NULL;
+	struct smb_filename *smb_fname = NULL;
+	NTSTATUS status;
 
 	if (pp_link_target) {
 		bufsize = 1024;
@@ -433,21 +434,28 @@ static bool is_msdfs_link_internal(TALLOC_CTX *ctx,
 		link_target = link_target_buf;
 	}
 
-	if (sbufp == NULL) {
-		sbufp = &st;
+	status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
+					    &smb_fname);
+	if (!NT_STATUS_IS_OK(status)) {
+		goto err;
 	}
 
-	if (vfs_lstat_smb_fname(conn, path, sbufp) != 0) {
+	if (SMB_VFS_LSTAT(conn, smb_fname) != 0) {
 		DEBUG(5,("is_msdfs_link_read_target: %s does not exist.\n",
 			path));
+		TALLOC_FREE(smb_fname);
 		goto err;
 	}
-
-	if (!S_ISLNK(sbufp->st_ex_mode)) {
+	if (!S_ISLNK(smb_fname->st.st_ex_mode)) {
 		DEBUG(5,("is_msdfs_link_read_target: %s is not a link.\n",
 					path));
+		TALLOC_FREE(smb_fname);
 		goto err;
 	}
+	if (sbufp != NULL) {
+		*sbufp = smb_fname->st;
+	}
+	TALLOC_FREE(smb_fname);
 
 	referral_len = SMB_VFS_READLINK(conn, path, link_target, bufsize - 1);
 	if (referral_len == -1) {
diff --git a/source3/smbd/vfs.c b/source3/smbd/vfs.c
index 55495183bd8..cd78c7962ee 100644
--- a/source3/smbd/vfs.c
+++ b/source3/smbd/vfs.c
@@ -972,15 +972,28 @@ NTSTATUS check_reduced_name(connection_struct *conn, const char *fname)
 
 #ifdef S_ISLNK
         if (!lp_symlinks(SNUM(conn))) {
-                SMB_STRUCT_STAT statbuf;
-                if ( (vfs_lstat_smb_fname(conn,fname,&statbuf) != -1) &&
-                                (S_ISLNK(statbuf.st_ex_mode)) ) {
+		struct smb_filename *smb_fname = NULL;
+		NTSTATUS status;
+
+		status = create_synthetic_smb_fname(talloc_tos(), fname, NULL,
+						    NULL, &smb_fname);
+		if (!NT_STATUS_IS_OK(status)) {
+			if (free_resolved_name) {
+				SAFE_FREE(resolved_name);
+			}
+                        return status;
+		}
+
+		if ( (SMB_VFS_LSTAT(conn, smb_fname) != -1) &&
+                                (S_ISLNK(smb_fname->st.st_ex_mode)) ) {
 			if (free_resolved_name) {
 				SAFE_FREE(resolved_name);
 			}
                         DEBUG(3,("reduce_name: denied: file path name %s is a symlink\n",resolved_name));
+			TALLOC_FREE(smb_fname);
 			return NT_STATUS_ACCESS_DENIED;
                 }
+		TALLOC_FREE(smb_fname);
         }
 #endif
 
-- 
cgit