import netbsd makefs tool

1 files changed, 305 insertions, 0 deletions

diff --git a/usr.sbin/makefs/makefs.h b/usr.sbin/makefs/makefs.h
new file mode 100644
index 000000000000..ce18bf87dfcd
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+++ b/usr.sbin/makefs/makefs.h
@@ -0,0 +1,305 @@
+/*	$NetBSD: makefs.h,v 1.14 2004/06/20 22:20:18 jmc Exp $	*/
+
+/*
+ * Copyright (c) 2001 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Luke Mewburn for Wasabi Systems, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed for the NetBSD Project by
+ *      Wasabi Systems, Inc.
+ * 4. The name of Wasabi Systems, Inc. may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_MAKEFS_H
+#define	_MAKEFS_H
+
+#include <sys/stat.h>
+#include <err.h>
+
+/*
+ * fsnode -
+ *	a component of the tree; contains a filename, a pointer to
+ *	fsinode, optional symlink name, and tree pointers
+ *
+ * fsinode - 
+ *	equivalent to an inode, containing target file system inode number,
+ *	refcount (nlink), and stat buffer
+ *
+ * A tree of fsnodes looks like this:
+ *
+ *	name	"."		"bin"		"netbsd"
+ *	type	S_IFDIR		S_IFDIR		S_IFREG
+ *	next 	  >		  >		NULL
+ *	parent	NULL		NULL		NULL
+ *	child	NULL		  v
+ *
+ *	name			"."		"ls"
+ *	type			S_IFDIR		S_IFREG
+ *	next			  >		NULL
+ *	parent			  ^		^ (to "bin")
+ *	child			NULL		NULL
+ *
+ * Notes:
+ *	-   first always points to first entry, at current level, which
+ *	    must be "." when the tree has been built; during build it may
+ *	    not be if "." hasn't yet been found by readdir(2).
+ */
+
+enum fi_flags {
+	FI_SIZED =	1<<0,		/* inode sized */
+	FI_ALLOCATED =	1<<1,		/* fsinode->ino allocated */
+	FI_WRITTEN =	1<<2,		/* inode written */
+};
+
+typedef struct {
+	uint32_t	 ino;		/* inode number used on target fs */
+	uint32_t	 nlink;		/* number of links to this entry */
+	enum fi_flags	 flags;		/* flags used by fs specific code */
+	struct stat	 st;		/* stat entry */
+} fsinode;
+
+typedef struct _fsnode {
+	struct _fsnode	*parent;	/* parent (NULL if root) */
+	struct _fsnode	*child;		/* child (if type == S_IFDIR) */
+	struct _fsnode	*next;		/* next */
+	struct _fsnode	*first;		/* first node of current level (".") */
+	uint32_t	 type;		/* type of entry */
+	fsinode		*inode;		/* actual inode data */
+	char		*symlink;	/* symlink target */
+	char		*name;		/* file name */
+	int		flags;		/* misc flags */
+} fsnode;
+
+#define	FSNODE_F_HASSPEC	0x01	/* fsnode has a spec entry */
+
+/*
+ * fsinfo_t - contains various settings and parameters pertaining to
+ * the image, including current settings, global options, and fs
+ * specific options
+ */
+typedef struct {
+		/* current settings */
+	off_t	size;		/* total size */
+	off_t	inodes;		/* number of inodes */
+	uint32_t curinode;	/* current inode */
+
+		/* image settings */
+	int	fd;		/* file descriptor of image */
+	void	*superblock;	/* superblock */
+	int	onlyspec;	/* only add entries in specfile */
+
+
+		/* global options */
+	off_t	minsize;	/* minimum size image should be */
+	off_t	maxsize;	/* maximum size image can be */
+	off_t	freefiles;	/* free file entries to leave */
+	int	freefilepc;	/* free file % */
+	off_t	freeblocks;	/* free blocks to leave */
+	int	freeblockpc;	/* free block % */
+	int	needswap;	/* non-zero if byte swapping needed */
+	int	sectorsize;	/* sector size */
+
+		/* ffs specific options */
+	int	bsize;		/* block size */
+	int	fsize;		/* fragment size */
+	int	cpg;		/* cylinders per group */
+	int	cpgflg;		/* cpg was specified by user */
+	int	density;	/* bytes per inode */
+	int	ntracks;	/* number of tracks */
+	int	nsectors;	/* number of sectors */
+	int	rpm;		/* rpm */
+	int	minfree;	/* free space threshold */
+	int	optimization;	/* optimization (space or time) */
+	int	maxcontig;	/* max contiguous blocks to allocate */
+	int	rotdelay;	/* rotational delay between blocks */
+	int	maxbpg;		/* maximum blocks per file in a cyl group */
+	int	nrpos;		/* # of distinguished rotational positions */
+	int	avgfilesize;	/* expected average file size */
+	int	avgfpdir;	/* expected # of files per directory */
+	int	version;	/* filesystem version (1 = FFS, 2 = UFS2) */
+	int	maxbsize;	/* maximum extent size */
+	int	maxblkspercg;	/* max # of blocks per cylinder group */
+			/* XXX: support `old' file systems ? */
+} fsinfo_t;
+
+
+/*
+ * option_t - contains option name, description, pointer to location to store
+ * result, and range checks for the result. Used to simplify fs specific
+ * option setting
+ */
+typedef struct {
+	const char	*name;		/* option name */
+	int		*value;		/* where to stuff the value */
+	int		minimum;	/* minimum for value */
+	int		maximum;	/* maximum for value */
+	const char	*desc;		/* option description */
+} option_t;
+
+
+void		apply_specfile(const char *, const char *, fsnode *);
+void		dump_fsnodes(const char *, fsnode *);
+const char *	inode_type(mode_t);
+int		set_option(option_t *, const char *, const char *);
+fsnode *	walk_dir(const char *, fsnode *);
+
+int		ffs_parse_opts(const char *, fsinfo_t *);
+void		ffs_makefs(const char *, const char *, fsnode *, fsinfo_t *);
+
+
+
+extern	u_int		debug;
+extern	struct timespec	start_time;
+
+/*
+ * If -x is specified, we want to exclude nodes which do not appear
+ * in the spec file.
+ */
+#define	FSNODE_EXCLUDE_P(opts, fsnode)	\
+	((opts)->onlyspec != 0 && ((fsnode)->flags & FSNODE_F_HASSPEC) == 0)
+
+#define	DEBUG_TIME			0x00000001
+		/* debug bits 1..3 unused at this time */
+#define	DEBUG_WALK_DIR			0x00000010
+#define	DEBUG_WALK_DIR_NODE		0x00000020
+#define	DEBUG_WALK_DIR_LINKCHECK	0x00000040
+#define	DEBUG_DUMP_FSNODES		0x00000080
+#define	DEBUG_DUMP_FSNODES_VERBOSE	0x00000100
+#define	DEBUG_FS_PARSE_OPTS		0x00000200
+#define	DEBUG_FS_MAKEFS			0x00000400
+#define	DEBUG_FS_VALIDATE		0x00000800
+#define	DEBUG_FS_CREATE_IMAGE		0x00001000
+#define	DEBUG_FS_SIZE_DIR		0x00002000
+#define	DEBUG_FS_SIZE_DIR_NODE		0x00004000
+#define	DEBUG_FS_SIZE_DIR_ADD_DIRENT	0x00008000
+#define	DEBUG_FS_POPULATE		0x00010000
+#define	DEBUG_FS_POPULATE_DIRBUF	0x00020000
+#define	DEBUG_FS_POPULATE_NODE		0x00040000
+#define	DEBUG_FS_WRITE_FILE		0x00080000
+#define	DEBUG_FS_WRITE_FILE_BLOCK	0x00100000
+#define	DEBUG_FS_MAKE_DIRBUF		0x00200000
+#define	DEBUG_FS_WRITE_INODE		0x00400000
+#define	DEBUG_BUF_BREAD			0x00800000
+#define	DEBUG_BUF_BWRITE		0x01000000
+#define	DEBUG_BUF_GETBLK		0x02000000
+#define	DEBUG_APPLY_SPECFILE		0x04000000
+#define	DEBUG_APPLY_SPECENTRY		0x08000000
+
+
+#define	TIMER_START(x)				\
+	if (debug & DEBUG_TIME)			\
+		gettimeofday(&(x), NULL)
+
+#define	TIMER_RESULTS(x,d)				\
+	if (debug & DEBUG_TIME) {			\
+		struct timeval end, td;			\
+		gettimeofday(&end, NULL);		\
+		timersub(&end, &(x), &td);		\
+		printf("%s took %ld.%06ld seconds\n",	\
+		    (d), (long) td.tv_sec, (long) td.tv_usec);	\
+	}
+
+
+#ifndef	DEFAULT_FSTYPE
+#define	DEFAULT_FSTYPE	"ffs"
+#endif
+
+
+/*
+ *	ffs specific settings
+ *	---------------------
+ */
+
+#define	FFS_EI		/* for opposite endian support in ffs headers */
+
+/*
+ * Write-arounds/compat shims for endian-agnostic support.
+ * These belong in the kernel if/when it's possible to mount
+ * filesystems w/ either byte order.
+ */
+
+/*
+ * File system internal flags, also in fs_flags.
+ * (Pick highest number to avoid conflicts with others)
+ */
+#define	FS_SWAPPED	0x80000000	/* file system is endian swapped */
+#define	FS_INTERNAL	0x80000000	/* mask for internal flags */
+
+#define	FS_ISCLEAN	1
+
+#define	DINODE1_SIZE	(sizeof(struct ufs1_dinode))
+#define	DINODE2_SIZE	(sizeof(struct ufs2_dinode))
+
+#define MAXSYMLINKLEN_UFS1	((NDADDR + NIADDR) * sizeof(ufs1_daddr_t))
+#define MAXSYMLINKLEN_UFS2	((NDADDR + NIADDR) * sizeof(ufs2_daddr_t))
+
+#if (BYTE_ORDER == LITTLE_ENDIAN)
+#define DIRSIZ_SWAP(oldfmt, dp, needswap)	\
+    (((oldfmt) && !(needswap)) ?	\
+    DIRECTSIZ((dp)->d_type) : DIRECTSIZ((dp)->d_namlen))
+#else
+#define DIRSIZ_SWAP(oldfmt, dp, needswap)	\
+    (((oldfmt) && (needswap)) ?		\
+    DIRECTSIZ((dp)->d_type) : DIRECTSIZ((dp)->d_namlen))
+#endif
+
+#define	cg_chkmagic_swap(cgp, ns) \
+    (ufs_rw32((cgp)->cg_magic, (ns)) == CG_MAGIC)
+#define	cg_inosused_swap(cgp, ns) \
+    ((u_int8_t *)((u_int8_t *)(cgp) + ufs_rw32((cgp)->cg_iusedoff, (ns))))
+#define	cg_blksfree_swap(cgp, ns) \
+    ((u_int8_t *)((u_int8_t *)(cgp) + ufs_rw32((cgp)->cg_freeoff, (ns))))
+#define	cg_clustersfree_swap(cgp, ns) \
+    ((u_int8_t *)((u_int8_t *)(cgp) + ufs_rw32((cgp)->cg_clusteroff, (ns))))
+#define	cg_clustersum_swap(cgp, ns) \
+    ((int32_t *)((uintptr_t)(cgp) + ufs_rw32((cgp)->cg_clustersumoff, ns)))
+
+struct fs;
+void	ffs_fragacct_swap(struct fs *, int, int32_t [], int, int);
+
+/*
+ * Declarations for compat routines.
+ */
+long long strsuftoll(const char *, const char *, long long, long long);
+long long strsuftollx(const char *, const char *,
+			long long, long long, char *, size_t);
+
+struct passwd;
+int uid_from_user(const char *, uid_t *);
+int pwcache_userdb(int (*)(int), void (*)(void),
+		struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
+struct group;
+int gid_from_group(const char *, gid_t *);
+int pwcache_groupdb(int (*)(int), void (*)(void),
+		struct group * (*)(const char *), struct group * (*)(gid_t));
+
+int setup_getid(const char *dir);
+
+#endif	/* _MAKEFS_H */