import the very fat e2fsck/fsck applets

1 files changed, 446 insertions, 0 deletions

diff --git a/e2fsprogs/e2fsck/e2fsck.h b/e2fsprogs/e2fsck/e2fsck.h
new file mode 100644
index 0000000..489903d
--- /dev/null
+++ b/e2fsprogs/e2fsck/e2fsck.h
@@ -0,0 +1,446 @@
+/*
+ * e2fsck.h
+ * 
+ * Copyright (C) 1993, 1994 Theodore Ts'o.  This file may be
+ * redistributed under the terms of the GNU Public License.
+ * 
+ */
+
+#include <stdio.h>
+#include <string.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+#include <time.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SETJMP_H
+#include <setjmp.h>
+#endif
+
+#if EXT2_FLAT_INCLUDES
+#include "ext2_fs.h"
+#include "ext2fs.h"
+#include "blkid.h"
+#else
+#include "ext2fs/ext2_fs.h"
+#include "ext2fs/ext2fs.h"
+#include "blkid/blkid.h"
+#endif
+
+/*
+ * Exit codes used by fsck-type programs
+ */
+#define FSCK_OK          0	/* No errors */
+#define FSCK_NONDESTRUCT 1	/* File system errors corrected */
+#define FSCK_REBOOT      2	/* System should be rebooted */
+#define FSCK_UNCORRECTED 4	/* File system errors left uncorrected */
+#define FSCK_ERROR       8	/* Operational error */
+#define FSCK_USAGE       16	/* Usage or syntax error */
+#define FSCK_CANCELED	 32	/* Aborted with a signal or ^C */
+#define FSCK_LIBRARY     128	/* Shared library error */
+
+/*
+ * The last ext2fs revision level that this version of e2fsck is able to
+ * support
+ */
+#define E2FSCK_CURRENT_REV	1
+
+/*
+ * The directory information structure; stores directory information
+ * collected in earlier passes, to avoid disk i/o in fetching the
+ * directory information.
+ */
+struct dir_info {
+	ext2_ino_t		ino;	/* Inode number */
+	ext2_ino_t		dotdot;	/* Parent according to '..' */
+	ext2_ino_t		parent; /* Parent according to treewalk */
+};
+
+
+/*
+ * The indexed directory information structure; stores information for
+ * directories which contain a hash tree index.
+ */
+struct dx_dir_info {
+	ext2_ino_t		ino; 		/* Inode number */
+	int			numblocks;	/* number of blocks */
+	int			hashversion;
+	short			depth;		/* depth of tree */
+	struct dx_dirblock_info	*dx_block; 	/* Array of size numblocks */
+};
+
+#define DX_DIRBLOCK_ROOT	1
+#define DX_DIRBLOCK_LEAF	2
+#define DX_DIRBLOCK_NODE	3
+#define DX_DIRBLOCK_CORRUPT	4
+#define DX_DIRBLOCK_CLEARED	8
+
+struct dx_dirblock_info {
+	int		type;
+	blk_t		phys;
+	int		flags;
+	blk_t		parent;
+	ext2_dirhash_t	min_hash; 
+	ext2_dirhash_t	max_hash;
+	ext2_dirhash_t	node_min_hash; 
+	ext2_dirhash_t	node_max_hash;
+};
+
+#define DX_FLAG_REFERENCED	1
+#define DX_FLAG_DUP_REF		2
+#define DX_FLAG_FIRST		4
+#define DX_FLAG_LAST		8
+
+#ifdef RESOURCE_TRACK
+/*
+ * This structure is used for keeping track of how much resources have
+ * been used for a particular pass of e2fsck.
+ */
+struct resource_track {
+	struct timeval time_start;
+	struct timeval user_start;
+	struct timeval system_start;
+	void	*brk_start;
+};
+#endif
+
+/*
+ * E2fsck options
+ */
+#define E2F_OPT_READONLY	0x0001
+#define E2F_OPT_PREEN		0x0002
+#define E2F_OPT_YES		0x0004
+#define E2F_OPT_NO		0x0008
+#define E2F_OPT_TIME		0x0010
+#define E2F_OPT_TIME2		0x0020
+#define E2F_OPT_CHECKBLOCKS	0x0040
+#define E2F_OPT_DEBUG		0x0080
+#define E2F_OPT_FORCE		0x0100
+#define E2F_OPT_WRITECHECK	0x0200
+#define E2F_OPT_COMPRESS_DIRS	0x0400
+
+/*
+ * E2fsck flags
+ */
+#define E2F_FLAG_ABORT		0x0001 /* Abort signaled */
+#define E2F_FLAG_CANCEL		0x0002 /* Cancel signaled */
+#define E2F_FLAG_SIGNAL_MASK	0x0003
+#define E2F_FLAG_RESTART	0x0004 /* Restart signaled */
+
+#define E2F_FLAG_SETJMP_OK	0x0010 /* Setjmp valid for abort */
+
+#define E2F_FLAG_PROG_BAR	0x0020 /* Progress bar on screen */
+#define E2F_FLAG_PROG_SUPPRESS	0x0040 /* Progress suspended */
+#define E2F_FLAG_JOURNAL_INODE	0x0080 /* Create a new ext3 journal inode */
+#define E2F_FLAG_SB_SPECIFIED	0x0100 /* The superblock was explicitly 
+					* specified by the user */
+#define E2F_FLAG_RESTARTED	0x0200 /* E2fsck has been restarted */
+#define E2F_FLAG_RESIZE_INODE	0x0400 /* Request to recreate resize inode */
+
+/*
+ * Defines for indicating the e2fsck pass number
+ */
+#define E2F_PASS_1	1
+#define E2F_PASS_2	2
+#define E2F_PASS_3	3
+#define E2F_PASS_4	4
+#define E2F_PASS_5	5
+#define E2F_PASS_1B	6
+
+/*
+ * Define the extended attribute refcount structure
+ */
+typedef struct ea_refcount *ext2_refcount_t;
+
+/*
+ * This is the global e2fsck structure.
+ */
+typedef struct e2fsck_struct *e2fsck_t;
+
+struct e2fsck_struct {
+	ext2_filsys fs;
+	const char *program_name;
+	char *filesystem_name;
+	char *device_name;
+	char *io_options;
+	int	flags;		/* E2fsck internal flags */
+	int	options;
+	blk_t	use_superblock;	/* sb requested by user */
+	blk_t	superblock;	/* sb used to open fs */
+	int	blocksize;	/* blocksize */
+	blk_t	num_blocks;	/* Total number of blocks */
+	int	mount_flags;
+	blkid_cache blkid;	/* blkid cache */
+
+#ifdef HAVE_SETJMP_H
+	jmp_buf	abort_loc;
+#endif
+	unsigned long abort_code;
+
+	int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
+			unsigned long max);
+
+	ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
+	ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
+	ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
+	ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
+	ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
+	ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
+
+	ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
+	ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
+	ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
+
+	/*
+	 * Inode count arrays
+	 */
+	ext2_icount_t	inode_count;
+	ext2_icount_t inode_link_info;
+
+	ext2_refcount_t	refcount;
+	ext2_refcount_t refcount_extra;
+
+	/*
+	 * Array of flags indicating whether an inode bitmap, block
+	 * bitmap, or inode table is invalid
+	 */
+	int *invalid_inode_bitmap_flag;
+	int *invalid_block_bitmap_flag;
+	int *invalid_inode_table_flag;
+	int invalid_bitmaps;	/* There are invalid bitmaps/itable */
+
+	/*
+	 * Block buffer
+	 */
+	char *block_buf;
+
+	/*
+	 * For pass1_check_directory and pass1_get_blocks
+	 */
+	ext2_ino_t stashed_ino;
+	struct ext2_inode *stashed_inode;
+
+	/*
+	 * Location of the lost and found directory
+	 */
+	ext2_ino_t lost_and_found;
+	int bad_lost_and_found;
+	
+	/*
+	 * Directory information
+	 */
+	int		dir_info_count;
+	int		dir_info_size;
+	struct dir_info	*dir_info;
+
+	/*
+	 * Indexed directory information
+	 */
+	int		dx_dir_info_count;
+	int		dx_dir_info_size;
+	struct dx_dir_info *dx_dir_info;
+
+	/*
+	 * Directories to hash
+	 */
+	ext2_u32_list	dirs_to_hash;
+
+	/*
+	 * Tuning parameters
+	 */
+	int process_inode_size;
+	int inode_buffer_blocks;
+
+	/*
+	 * ext3 journal support
+	 */
+	io_channel	journal_io;
+	char	*journal_name;
+
+#ifdef RESOURCE_TRACK
+	/*
+	 * For timing purposes
+	 */
+	struct resource_track	global_rtrack;
+#endif
+
+	/*
+	 * How we display the progress update (for unix)
+	 */
+	int progress_fd;
+	int progress_pos;
+	int progress_last_percent;
+	unsigned int progress_last_time;
+	int interactive;	/* Are we connected directly to a tty? */
+	char start_meta[2], stop_meta[2];
+	
+	/* File counts */
+	int fs_directory_count;
+	int fs_regular_count;
+	int fs_blockdev_count;
+	int fs_chardev_count;
+	int fs_links_count;
+	int fs_symlinks_count;
+	int fs_fast_symlinks_count;
+	int fs_fifo_count;
+	int fs_total_count;
+	int fs_badblocks_count;
+	int fs_sockets_count;
+	int fs_ind_count;
+	int fs_dind_count;
+	int fs_tind_count;
+	int fs_fragmented;
+	int large_files;
+	int fs_ext_attr_inodes;
+	int fs_ext_attr_blocks;
+
+	int ext_attr_ver;
+
+	/*
+	 * For the use of callers of the e2fsck functions; not used by
+	 * e2fsck functions themselves.
+	 */
+	void *priv_data;
+};
+
+/* Used by the region allocation code */
+typedef __u32 region_addr_t;
+typedef struct region_struct *region_t;
+
+#ifndef HAVE_STRNLEN
+#define strnlen(str, x) e2fsck_strnlen((str),(x))
+extern int e2fsck_strnlen(const char * s, int count);
+#endif
+
+/*
+ * Procedure declarations
+ */
+
+extern void e2fsck_pass1(e2fsck_t ctx);
+extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
+extern void e2fsck_pass2(e2fsck_t ctx);
+extern void e2fsck_pass3(e2fsck_t ctx);
+extern void e2fsck_pass4(e2fsck_t ctx);
+extern void e2fsck_pass5(e2fsck_t ctx);
+
+/* e2fsck.c */
+extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
+extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
+extern void e2fsck_free_context(e2fsck_t ctx);
+extern int e2fsck_run(e2fsck_t ctx);
+
+
+/* badblock.c */
+extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
+				 int replace_bad_blocks);
+
+/* dirinfo.c */
+extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
+extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino);
+extern void e2fsck_free_dir_info(e2fsck_t ctx);
+extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
+extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, int *control);
+
+/* dx_dirinfo.c */
+extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks);
+extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
+extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
+extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
+extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx, int *control);
+
+/* ea_refcount.c */
+extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret);
+extern void ea_refcount_free(ext2_refcount_t refcount);
+extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk_t blk,
+				   int *ret);
+extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
+				       blk_t blk, int *ret);
+extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
+				       blk_t blk, int *ret);
+extern errcode_t ea_refcount_store(ext2_refcount_t refcount,
+				   blk_t blk, int count);
+extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
+extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
+extern blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret);
+
+/* ehandler.c */
+extern const char *ehandler_operation(const char *op);
+extern void ehandler_init(io_channel channel);
+
+/* journal.c */
+extern int e2fsck_check_ext3_journal(e2fsck_t ctx);
+extern int e2fsck_run_ext3_journal(e2fsck_t ctx);
+extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
+
+/* pass1.c */
+extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool);
+extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
+					   struct ext2_inode *inode);
+extern int e2fsck_pass1_check_symlink(ext2_filsys fs,
+				      struct ext2_inode *inode, char *buf);
+
+/* pass2.c */
+extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
+				    ext2_ino_t ino, char *buf);
+
+/* pass3.c */
+extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
+extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
+					 int num, int gauranteed_size);
+extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
+extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino, 
+					   int adj);
+
+
+/* region.c */
+extern region_t region_create(region_addr_t min, region_addr_t max);
+extern void region_free(region_t region);
+extern int region_allocate(region_t region, region_addr_t start, int n);
+
+/* rehash.c */
+errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino);
+void e2fsck_rehash_directories(e2fsck_t ctx);
+
+/* super.c */
+void check_super_block(e2fsck_t ctx);
+errcode_t e2fsck_get_device_size(e2fsck_t ctx);
+
+/* swapfs.c */
+void swap_filesys(e2fsck_t ctx);
+
+/* util.c */
+extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
+				    const char *description);
+extern int ask(e2fsck_t ctx, const char * string, int def);
+extern int ask_yn(const char * string, int def);
+extern void e2fsck_read_bitmaps(e2fsck_t ctx);
+extern void e2fsck_write_bitmaps(e2fsck_t ctx);
+extern void preenhalt(e2fsck_t ctx);
+extern char *string_copy(e2fsck_t ctx, const char *str, int len);
+#ifdef RESOURCE_TRACK
+extern void print_resource_track(const char *desc,
+				 struct resource_track *track);
+extern void init_resource_track(struct resource_track *track);
+#endif
+extern int inode_has_valid_blocks(struct ext2_inode *inode);
+extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
+			      struct ext2_inode * inode, const char * proc);
+extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
+			       struct ext2_inode * inode, const char * proc);
+#ifdef MTRACE
+extern void mtrace_print(char *mesg);
+#endif
+extern blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
+			   const char *name, io_manager manager);
+extern int ext2_file_type(unsigned int mode);
+
+/* unix.c */
+extern void e2fsck_clear_progbar(e2fsck_t ctx);
+extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
+				  float percent, unsigned int dpynum);