vfs_cap.c

samba-3.0.22.tar.gz 编译smb服务器的源码

/* 
 * CAP VFS module for Samba 3.x Version 0.3
 *
 * Copyright (C) Tim Potter, 1999-2000
 * Copyright (C) Alexander Bokovoy, 2002-2003
 * Copyright (C) Stefan (metze) Metzmacher, 2003
 * Copyright (C) TAKAHASHI Motonobu (monyo), 2003
 *
 * 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"

/* cap functions */
static char *capencode(char *to, const char *from);
static char *capdecode(char *to, const char *from);

static SMB_BIG_UINT cap_disk_free(vfs_handle_struct *handle, connection_struct *conn, const char *path,
	BOOL small_query, SMB_BIG_UINT *bsize,
	SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
        pstring cappath;
        capencode(cappath, path);
	return SMB_VFS_NEXT_DISK_FREE(handle, conn, cappath, small_query, bsize, 
					 dfree, dsize);
}

static SMB_STRUCT_DIR *cap_opendir(vfs_handle_struct *handle, connection_struct *conn, const char *fname, const char *mask, uint32 attr)
{
        pstring capname;
        capencode(capname, fname);
	return SMB_VFS_NEXT_OPENDIR(handle, conn, capname, mask, attr);
}

static SMB_STRUCT_DIRENT *cap_readdir(vfs_handle_struct *handle, connection_struct *conn, SMB_STRUCT_DIR *dirp)
{
        SMB_STRUCT_DIRENT *result;
	DEBUG(3,("cap: cap_readdir\n"));
	result = SMB_VFS_NEXT_READDIR(handle, conn, dirp);
	if (result) {
	  DEBUG(3,("cap: cap_readdir: %s\n", result->d_name));
	  capdecode(result->d_name, result->d_name);
        }
        return result;
}

static int cap_mkdir(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode)
{
	pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_MKDIR(handle, conn, cappath, mode);
}

static int cap_rmdir(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
        pstring cappath;
        capencode(cappath, path);
	return SMB_VFS_NEXT_RMDIR(handle, conn, cappath);
}

static int cap_open(vfs_handle_struct *handle, connection_struct *conn, const char *fname, int flags, mode_t mode)
{
        pstring capname;
	DEBUG(3,("cap: cap_open for %s\n", fname));
	capencode(capname, fname);
	return SMB_VFS_NEXT_OPEN(handle, conn, capname, flags, mode);
}

static int cap_rename(vfs_handle_struct *handle, connection_struct *conn, const char *oldname, const char *newname)
{
	pstring capold, capnew;
	capencode(capold, oldname);
	capencode(capnew, newname);

	return SMB_VFS_NEXT_RENAME(handle, conn, capold, capnew);
}

static int cap_stat(vfs_handle_struct *handle, connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf)
{
        pstring capname;
	capencode(capname, fname);
	return SMB_VFS_NEXT_STAT(handle, conn, capname, sbuf);
}

static int cap_lstat(vfs_handle_struct *handle, connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf)
{
	pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_LSTAT(handle, conn, cappath, sbuf);
}

static int cap_unlink(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
	pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_UNLINK(handle, conn, cappath);
}

static int cap_chmod(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode)
{
        pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_CHMOD(handle, conn, cappath, mode);
}

static int cap_chown(vfs_handle_struct *handle, connection_struct *conn, const char *path, uid_t uid, gid_t gid)
{
        pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_CHOWN(handle, conn, cappath, uid, gid);
}

static int cap_chdir(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
        pstring cappath;
	DEBUG(3,("cap: cap_chdir for %s\n", path));
	capencode(cappath, path);
	return SMB_VFS_NEXT_CHDIR(handle, conn, cappath);
}

static int cap_utime(vfs_handle_struct *handle, connection_struct *conn, const char *path, struct utimbuf *times)
{
        pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_UTIME(handle, conn, cappath, times);
}


static BOOL cap_symlink(vfs_handle_struct *handle, connection_struct *conn, const char *oldpath, const char *newpath)
{
        pstring capoldpath, capnewpath;
        capencode(capoldpath, oldpath);
        capencode(capnewpath, newpath);
	return SMB_VFS_NEXT_SYMLINK(handle, conn, capoldpath, capnewpath);
}

static BOOL cap_readlink(vfs_handle_struct *handle, connection_struct *conn, const char *path, char *buf, size_t bufsiz)
{
        pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_READLINK(handle, conn, cappath, buf, bufsiz);
}

static int cap_link(vfs_handle_struct *handle, connection_struct *conn, const char *oldpath, const char *newpath)
{
        pstring capoldpath, capnewpath;
        capencode(capoldpath, oldpath);
        capencode(capnewpath, newpath);
	return SMB_VFS_NEXT_LINK(handle, conn, capoldpath, capnewpath);
}

static int cap_mknod(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode, SMB_DEV_T dev)
{
        pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_MKNOD(handle, conn, cappath, mode, dev);
}

static char *cap_realpath(vfs_handle_struct *handle, connection_struct *conn, const char *path, char *resolved_path)
{
        /* monyo need capencode'ed and capdecode'ed? */
        pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_REALPATH(handle, conn, path, resolved_path);
}

static BOOL cap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor_info *psd)
{
        pstring capname;
	capencode(capname, name);
	return SMB_VFS_NEXT_SET_NT_ACL(handle, fsp, capname, security_info_sent, psd);
}

static int cap_chmod_acl(vfs_handle_struct *handle, connection_struct *conn, const char *name, mode_t mode)
{
        pstring capname;
	capencode(capname, name);

	/* If the underlying VFS doesn't have ACL support... */
	if (!handle->vfs_next.ops.chmod_acl) {
		errno = ENOSYS;
		return -1;
	}
	return SMB_VFS_NEXT_CHMOD_ACL(handle, conn, capname, mode);
}

static SMB_ACL_T cap_sys_acl_get_file(vfs_handle_struct *handle, connection_struct *conn, const char *path_p, SMB_ACL_TYPE_T type)
{
        pstring cappath_p;
	capencode(cappath_p, path_p);
	return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, conn, cappath_p, type);
}

static int cap_sys_acl_set_file(vfs_handle_struct *handle, connection_struct *conn, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
{
        pstring capname;
	capencode(capname, name);
	return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, conn, capname, acltype, theacl);
}

static int cap_sys_acl_delete_def_file(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
        pstring cappath;
	capencode(cappath, path);
	return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, conn, cappath);
}

static ssize_t cap_getxattr(vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, void *value, size_t size)
{
        pstring cappath, capname;
	capencode(cappath, path);
	capencode(capname, name);