Comments to use vfs_* functions instead of dos_* unless really

accessing files on local disk.
(This used to be commit b55f63da7e6a3c306ce668c77ed63a41d33240db)

1 files changed, 295 insertions, 0 deletions

diff --git a/source3/smbd/vfs-wrap.c b/source3/smbd/vfs-wrap.c
new file mode 100644
index 0000000000..24e45a6d24
--- /dev/null
+++ b/source3/smbd/vfs-wrap.c
@@ -0,0 +1,295 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+s   Wrap disk only vfs functions to sidestep dodgy compilers.
+   Copyright (C) Tim Potter 1998
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/* Check for NULL pointer parameters in vfswrap_* functions */
+
+#define VFS_CHECK_NULL
+
+/* We don't want to have NULL function pointers lying around.  Someone
+   is sure to try and execute them.  These stubs are used to prevent
+   this possibility. */
+
+int vfswrap_dummy_connect(struct vfs_connection_struct *conn, char *service,
+			  char *user)
+{
+    return 0;    /* Return >= 0 for success */
+}
+
+void vfswrap_dummy_disconnect(void)
+{
+}
+
+/* Disk operations */
+
+SMB_BIG_UINT vfswrap_disk_free(char *path, BOOL small_query, SMB_BIG_UINT *bsize, 
+			       SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
+{
+    SMB_BIG_UINT result;
+
+#ifdef VFS_CHECK_NULL
+    if ((path == NULL) || (bsize == NULL) || (dfree == NULL) ||
+	(dsize == NULL)) {
+	
+	smb_panic("NULL pointer passed to vfswrap_disk_free() function\n");
+    }
+#endif
+
+    result = sys_disk_free(path, small_query, bsize, dfree, dsize);
+    return result;
+}
+    
+/* Directory operations */
+
+DIR *vfswrap_opendir(char *fname)
+{
+    DIR *result;
+
+#ifdef VFS_CHECK_NULL
+    if (fname == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_opendir()\n");
+    }
+#endif
+
+    result = opendir(fname);
+    return result;
+}
+
+struct dirent *vfswrap_readdir(DIR *dirp)
+{
+    struct dirent *result;
+
+#ifdef VFS_CHECK_NULL
+    if (dirp == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_readdir()\n");
+    }
+#endif
+
+    result = readdir(dirp);
+    return result;
+}
+
+int vfswrap_mkdir(char *path, mode_t mode)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if (path == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_mkdir()\n");
+    }
+#endif
+
+    result = mkdir(path, mode);
+    return result;
+}
+
+int vfswrap_rmdir(char *path)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if (path == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_rmdir()\n");
+    }
+#endif
+
+    result = rmdir(path);
+    return result;
+}
+
+int vfswrap_closedir(DIR *dirp)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if (dirp == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_closedir()\n");
+    }
+#endif
+
+    result = closedir(dirp);
+    return result;
+}
+
+/* File operations */
+    
+int vfswrap_open(char *fname, int flags, mode_t mode)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if (fname == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_open()\n");
+    }
+#endif
+
+    result = sys_open(fname, flags, mode);
+    return result;
+}
+
+int vfswrap_close(int fd)
+{
+    int result;
+
+    result = close(fd);
+    return result;
+}
+
+ssize_t vfswrap_read(int fd, char *data, size_t n)
+{
+    ssize_t result;
+
+#ifdef VFS_CHECK_NULL
+    if (data == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_read()\n");
+    }
+#endif
+
+    result = read(fd, data, n);
+    return result;
+}
+
+ssize_t vfswrap_write(int fd, char *data, size_t n)
+{
+    ssize_t result;
+
+#ifdef VFS_CHECK_NULL
+    if (data == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_write()\n");
+    }
+#endif
+
+    result = write(fd, data, n);
+    return result;
+}
+
+SMB_OFF_T vfswrap_lseek(int filedes, SMB_OFF_T offset, int whence)
+{
+    SMB_OFF_T result;
+
+    result = sys_lseek(filedes, offset, whence);
+    return result;
+}
+
+int vfswrap_rename(char *old, char *new)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if ((old == NULL) || (new == NULL)) {
+	smb_panic("NULL pointer passed to vfswrap_rename()\n");
+    }
+#endif
+
+    result = rename(old, new);
+    return result;
+}
+
+void vfswrap_fsync(int fd)
+{
+    fsync(fd);
+}
+
+int vfswrap_stat(char *fname, SMB_STRUCT_STAT *sbuf)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if ((fname == NULL) || (sbuf == NULL)) {
+	smb_panic("NULL pointer passed to vfswrap_stat()\n");
+    }
+#endif
+
+    result = sys_stat(fname, sbuf);
+    return result;
+}
+
+int vfswrap_fstat(int fd, SMB_STRUCT_STAT *sbuf)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if (sbuf == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_fstat()\n");
+    }
+#endif
+
+    result = sys_fstat(fd, sbuf);
+    return result;
+}
+
+int vfswrap_lstat(char *path, 
+		  SMB_STRUCT_STAT *sbuf)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if ((path == NULL) || (sbuf == NULL)) {
+	smb_panic("NULL pointer passed to vfswrap_lstat()\n");
+    }
+#endif
+
+    result = sys_lstat(path, sbuf);
+    return result;
+}
+
+int vfswrap_unlink(char *path)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if (path == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_unlink()\n");
+    }
+#endif
+
+    result = unlink(path);
+    return result;
+}
+
+int vfswrap_chmod(char *path, mode_t mode)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if (path == NULL) {
+	smb_panic("NULL pointer passed to vfswrap_chmod()\n");
+    }
+#endif
+
+    result = chmod(path, mode);
+    return result;
+}
+
+int vfswrap_utime(char *path, struct utimbuf *times)
+{
+    int result;
+
+#ifdef VFS_CHECK_NULL
+    if ((path == NULL) || (times == NULL)) {
+	smb_panic("NULL pointer passed to vfswrap_utime()\n");
+    }
+#endif
+
+    result = utime(path, times);
+    return result;
+}