import the very fat e2fsck/fsck applets

1 files changed, 466 insertions, 0 deletions

diff --git a/e2fsprogs/e2fsck/message.c b/e2fsprogs/e2fsck/message.c
new file mode 100644
index 0000000..b09ae89
--- /dev/null
+++ b/e2fsprogs/e2fsck/message.c
@@ -0,0 +1,466 @@
+/*
+ * message.c --- print e2fsck messages (with compression)
+ *
+ * Copyright 1996, 1997 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ *
+ * print_e2fsck_message() prints a message to the user, using
+ * compression techniques and expansions of abbreviations.
+ *
+ * The following % expansions are supported:
+ *
+ * 	%b	<blk>			block number
+ * 	%B	<blkcount>		integer
+ * 	%c	<blk2>			block number
+ * 	%Di	<dirent>->ino		inode number
+ * 	%Dn	<dirent>->name		string
+ * 	%Dr	<dirent>->rec_len
+ * 	%Dl	<dirent>->name_len
+ * 	%Dt	<dirent>->filetype
+ * 	%d	<dir> 			inode number
+ * 	%g	<group>			integer
+ * 	%i	<ino>			inode number
+ * 	%Is	<inode> -> i_size
+ * 	%IS	<inode> -> i_extra_isize
+ * 	%Ib	<inode> -> i_blocks
+ * 	%Il	<inode> -> i_links_count
+ * 	%Im	<inode> -> i_mode
+ * 	%IM	<inode> -> i_mtime
+ * 	%IF	<inode> -> i_faddr
+ * 	%If	<inode> -> i_file_acl
+ * 	%Id	<inode> -> i_dir_acl
+ * 	%Iu	<inode> -> i_uid
+ * 	%Ig	<inode> -> i_gid
+ * 	%j	<ino2>			inode number
+ * 	%m	<com_err error message>
+ * 	%N	<num>
+ *	%p	ext2fs_get_pathname of directory <ino>
+ * 	%P	ext2fs_get_pathname of <dirent>->ino with <ino2> as
+ * 			the containing directory.  (If dirent is NULL
+ * 			then return the pathname of directory <ino2>)
+ * 	%q	ext2fs_get_pathname of directory <dir>
+ * 	%Q	ext2fs_get_pathname of directory <ino> with <dir> as
+ * 			the containing directory.
+ * 	%s	<str>			miscellaneous string
+ * 	%S	backup superblock
+ * 	%X	<num> hexadecimal format
+ *
+ * The following '@' expansions are supported:
+ *
+ * 	@a	extended attribute
+ * 	@A	error allocating
+ * 	@b	block
+ * 	@B	bitmap
+ * 	@c	compress
+ * 	@C	conflicts with some other fs block
+ * 	@D	deleted
+ * 	@d	directory
+ * 	@e	entry
+ * 	@E	Entry '%Dn' in %p (%i)
+ * 	@f	filesystem
+ * 	@F	for @i %i (%Q) is
+ * 	@g	group
+ * 	@h	HTREE directory inode
+ * 	@i	inode
+ * 	@I	illegal
+ * 	@j	journal
+ * 	@l	lost+found
+ * 	@L	is a link
+ * 	@o	orphaned
+ * 	@p	problem in
+ * 	@r	root inode
+ * 	@s	should be 
+ * 	@S	superblock
+ * 	@u	unattached
+ * 	@v	device
+ * 	@z	zero-length
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <termios.h>
+
+#include "e2fsck.h"
+
+#include "problem.h"
+
+#ifdef __GNUC__
+#define _INLINE_ __inline__
+#else
+#define _INLINE_
+#endif
+
+/*
+ * This structure defines the abbreviations used by the text strings
+ * below.  The first character in the string is the index letter.  An
+ * abbreviation of the form '@<i>' is expanded by looking up the index
+ * letter <i> in the table below.
+ */
+static const char *abbrevs[] = {
+	N_("aextended attribute"),
+	N_("Aerror allocating"),
+	N_("bblock"),
+	N_("Bbitmap"),
+	N_("ccompress"),
+	N_("Cconflicts with some other fs @b"),
+	N_("iinode"),
+	N_("Iillegal"),
+	N_("jjournal"),
+	N_("Ddeleted"),
+	N_("ddirectory"),
+	N_("eentry"),
+	N_("E@e '%Dn' in %p (%i)"),
+	N_("ffilesystem"),
+	N_("Ffor @i %i (%Q) is"),
+	N_("ggroup"),
+	N_("hHTREE @d @i"),
+	N_("llost+found"),
+	N_("Lis a link"),
+	N_("oorphaned"),
+	N_("pproblem in"),
+	N_("rroot @i"),
+	N_("sshould be"),
+	N_("Ssuper@b"),
+	N_("uunattached"),
+	N_("vdevice"),
+	N_("zzero-length"),
+	"@@",
+	0
+	};
+
+/*
+ * Give more user friendly names to the "special" inodes.
+ */
+#define num_special_inodes	11
+static const char *special_inode_name[] =
+{
+	N_("<The NULL inode>"),			/* 0 */
+	N_("<The bad blocks inode>"),		/* 1 */
+	"/",					/* 2 */
+	N_("<The ACL index inode>"),		/* 3 */
+	N_("<The ACL data inode>"),		/* 4 */
+	N_("<The boot loader inode>"),		/* 5 */
+	N_("<The undelete directory inode>"),	/* 6 */
+	N_("<The group descriptor inode>"),	/* 7 */
+	N_("<The journal inode>"),		/* 8 */
+	N_("<Reserved inode 9>"),		/* 9 */
+	N_("<Reserved inode 10>"),		/* 10 */
+};
+
+/*
+ * This function does "safe" printing.  It will convert non-printable
+ * ASCII characters using '^' and M- notation.
+ */
+static void safe_print(const char *cp, int len)
+{
+	unsigned char	ch;
+
+	if (len < 0)
+		len = strlen(cp);
+
+	while (len--) {
+		ch = *cp++;
+		if (ch > 128) {
+			fputs("M-", stdout);
+			ch -= 128;
+		}
+		if ((ch < 32) || (ch == 0x7f)) {
+			fputc('^', stdout);
+			ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */
+		}
+		fputc(ch, stdout);
+	}
+}
+
+
+/*
+ * This function prints a pathname, using the ext2fs_get_pathname
+ * function
+ */
+static void print_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino)
+{
+	errcode_t	retval;
+	char		*path;
+
+	if (!dir && (ino < num_special_inodes)) {
+		fputs(_(special_inode_name[ino]), stdout);
+		return;
+	}
+	
+	retval = ext2fs_get_pathname(fs, dir, ino, &path);
+	if (retval)
+		fputs("???", stdout);
+	else {
+		safe_print(path, -1);
+		ext2fs_free_mem(&path);
+	}
+}
+
+/*
+ * This function handles the '@' expansion.  We allow recursive
+ * expansion; an @ expression can contain further '@' and '%'
+ * expressions. 
+ */
+static _INLINE_ void expand_at_expression(e2fsck_t ctx, char ch,
+					  struct problem_context *pctx,
+					  int *first)
+{
+	const char **cpp, *str;
+	
+	/* Search for the abbreviation */
+	for (cpp = abbrevs; *cpp; cpp++) {
+		if (ch == *cpp[0])
+			break;
+	}
+	if (*cpp) {
+		str = _(*cpp) + 1;
+		if (*first && islower(*str)) {
+			*first = 0;
+			fputc(toupper(*str++), stdout);
+		}
+		print_e2fsck_message(ctx, str, pctx, *first);
+	} else
+		printf("@%c", ch);
+}
+
+/*
+ * This function expands '%IX' expressions
+ */
+static _INLINE_ void expand_inode_expression(char ch, 
+					     struct problem_context *ctx)
+{
+	struct ext2_inode	*inode;
+	struct ext2_inode_large	*large_inode;
+	char *			time_str;
+	time_t			t;
+	int			do_gmt = -1;
+
+	if (!ctx || !ctx->inode)
+		goto no_inode;
+	
+	inode = ctx->inode;
+	large_inode = (struct ext2_inode_large *) inode;
+
+	switch (ch) {
+	case 's':
+		if (LINUX_S_ISDIR(inode->i_mode))
+			printf("%u", inode->i_size);
+		else {
+#ifdef EXT2_NO_64_TYPE
+			if (inode->i_size_high)
+				printf("0x%x%08x", inode->i_size_high,
+				       inode->i_size);
+			else
+				printf("%u", inode->i_size);
+#else
+			printf("%llu", (inode->i_size | 
+					((__u64) inode->i_size_high << 32)));
+#endif
+		}
+		break;
+	case 'S':
+		printf("%u", large_inode->i_extra_isize);
+		break;
+	case 'b':
+		printf("%u", inode->i_blocks);
+		break;
+	case 'l':
+		printf("%d", inode->i_links_count);
+		break;
+	case 'm':
+		printf("0%o", inode->i_mode);
+		break;
+	case 'M':
+		/* The diet libc doesn't respect the TZ environemnt variable */
+		if (do_gmt == -1) {
+			time_str = getenv("TZ");
+			if (!time_str)
+				time_str = "";
+			do_gmt = !strcmp(time_str, "GMT");
+		}
+		t = inode->i_mtime;
+		time_str = asctime(do_gmt ? gmtime(&t) : localtime(&t));
+		printf("%.24s", time_str);
+		break;
+	case 'F':
+		printf("%u", inode->i_faddr);
+		break;
+	case 'f':
+		printf("%u", inode->i_file_acl);
+		break;
+	case 'd':
+		printf("%u", (LINUX_S_ISDIR(inode->i_mode) ?
+			      inode->i_dir_acl : 0));
+		break;
+	case 'u':
+		printf("%d", (inode->i_uid |
+			      (inode->osd2.linux2.l_i_uid_high << 16)));
+		break;
+	case 'g':
+		printf("%d", (inode->i_gid |
+			      (inode->osd2.linux2.l_i_gid_high << 16)));
+		break;
+	default:
+	no_inode:
+		printf("%%I%c", ch);
+		break;
+	}
+}
+
+/*
+ * This function expands '%dX' expressions
+ */
+static _INLINE_ void expand_dirent_expression(char ch,
+					      struct problem_context *ctx)
+{
+	struct ext2_dir_entry	*dirent;
+	int	len;
+	
+	if (!ctx || !ctx->dirent)
+		goto no_dirent;
+	
+	dirent = ctx->dirent;
+	
+	switch (ch) {
+	case 'i':
+		printf("%u", dirent->inode);
+		break;
+	case 'n':
+		len = dirent->name_len & 0xFF;
+		if (len > EXT2_NAME_LEN)
+			len = EXT2_NAME_LEN;
+		if (len > dirent->rec_len)
+			len = dirent->rec_len;
+		safe_print(dirent->name, len);
+		break;
+	case 'r':
+		printf("%u", dirent->rec_len);
+		break;
+	case 'l':
+		printf("%u", dirent->name_len & 0xFF);
+		break;
+	case 't':
+		printf("%u", dirent->name_len >> 8);
+		break;
+	default:
+	no_dirent:
+		printf("%%D%c", ch);
+		break;
+	}
+}
+
+static _INLINE_ void expand_percent_expression(ext2_filsys fs, char ch,
+					       struct problem_context *ctx)
+{
+	if (!ctx)
+		goto no_context;
+	
+	switch (ch) {
+	case '%':
+		fputc('%', stdout);
+		break;
+	case 'b':
+		printf("%u", ctx->blk);
+		break;
+	case 'B':
+#ifdef EXT2_NO_64_TYPE
+		printf("%d", ctx->blkcount);
+#else
+		printf("%lld", ctx->blkcount);
+#endif
+		break;
+	case 'c':
+		printf("%u", ctx->blk2);
+		break;
+	case 'd':
+		printf("%u", ctx->dir);
+		break;
+	case 'g':
+		printf("%d", ctx->group);
+		break;
+	case 'i':
+		printf("%u", ctx->ino);
+		break;
+	case 'j':
+		printf("%u", ctx->ino2);
+		break;
+	case 'm':
+		printf("%s", error_message(ctx->errcode));
+		break;
+	case 'N':
+#ifdef EXT2_NO_64_TYPE
+		printf("%u", ctx->num);
+#else
+		printf("%llu", ctx->num);
+#endif
+		break;
+	case 'p':
+		print_pathname(fs, ctx->ino, 0);
+		break;
+	case 'P':
+		print_pathname(fs, ctx->ino2,
+			       ctx->dirent ? ctx->dirent->inode : 0);
+		break;
+	case 'q':
+		print_pathname(fs, ctx->dir, 0);
+		break;
+	case 'Q':
+		print_pathname(fs, ctx->dir, ctx->ino);
+		break;
+	case 'S':
+		printf("%d", get_backup_sb(NULL, fs, NULL, NULL));
+		break;
+	case 's':
+		printf("%s", ctx->str ? ctx->str : "NULL");
+		break;
+	case 'X':
+#ifdef EXT2_NO_64_TYPE
+		printf("0x%x", ctx->num);
+#else
+		printf("0x%llx", ctx->num);
+#endif
+		break;
+	default:
+	no_context:
+		printf("%%%c", ch);
+		break;
+	}
+}	
+
+void print_e2fsck_message(e2fsck_t ctx, const char *msg,
+			  struct problem_context *pctx, int first)
+{
+	ext2_filsys fs = ctx->fs;
+	const char *	cp;
+	int		i;
+
+	e2fsck_clear_progbar(ctx);
+	for (cp = msg; *cp; cp++) {
+		if (cp[0] == '@') {
+			cp++;
+			expand_at_expression(ctx, *cp, pctx, &first);
+		} else if (cp[0] == '%' && cp[1] == 'I') {
+			cp += 2;
+			expand_inode_expression(*cp, pctx);
+		} else if (cp[0] == '%' && cp[1] == 'D') {
+			cp += 2;
+			expand_dirent_expression(*cp, pctx);
+		} else if ((cp[0] == '%')) {
+			cp++;
+			expand_percent_expression(fs, *cp, pctx);
+		} else {
+			for (i=0; cp[i]; i++)
+				if ((cp[i] == '@') || cp[i] == '%')
+					break;
+			printf("%.*s", i, cp);
+			cp += i-1;
+		}
+		first = 0;
+	}
+}