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Diffstat (limited to 'sources/genext2fs.patch')
| -rw-r--r-- | sources/genext2fs.patch | 2457 |
1 files changed, 0 insertions, 2457 deletions
diff --git a/sources/genext2fs.patch b/sources/genext2fs.patch deleted file mode 100644 index 73e5ce0aa..000000000 --- a/sources/genext2fs.patch +++ /dev/null @@ -1,2457 +0,0 @@ -diff -urN genext2fs-1.3.orig/Makefile genext2fs-1.3/Makefile ---- genext2fs-1.3.orig/Makefile 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/Makefile 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,46 @@ -+CC=gcc -+CFLAGS=-Wall -O0 -g -+ -+SRC=genext2fs.c -+OBJS=$(patsubst %.c,%.o, $(SRC)) -+ -+all: genext2fs -+INSTALL=install -+ -+genext2fs: $(OBJS) -+ $(CC) $(CFLAGS) -o $@ $(OBJS) -o $@ -+ -+$(OBJS): %.o : %.c -+ $(CC) $(CFLAGS) -c $< -o $@ -+ -+$(OBJS): Makefile -+ -+install: -+ $(INSTALL) -d $(DESTDIR)/usr/bin/ -+ $(INSTALL) -m 755 genext2fs $(DESTDIR)/usr/bin/ -+ $(INSTALL) -d $(DESTDIR)/usr/share/man/man8/ -+ $(INSTALL) -m 644 genext2fs.8 $(DESTDIR)/usr/share/man/man8/ -+ -+clean: -+ rm -rf *.o *.a core genext2fs -+ rm -rf test ext2.img -+ -+check: all -+ mkdir -p test -+ dd if=/dev/zero of=test/zero count=1 -+ ./genext2fs -b 4096 -d test ext2.img -+ -+ md5=`md5sum ext2.img | cut -f 1 -d " "`; \ -+ if [ "$$md5" != "89471302d95f96a76fbb2cff98182cde" ] ; then \ -+ echo "test failed."; \ -+ else \ -+ echo "test succeeded."; \ -+ fi -+ -+# test genext2fs by creating the image and comparing checksums -+test: all -+ sh ./test.sh -+ -+# test genext2fs by actually mounting the created image. -+test-mount: all -+ sudo sh ./test-mount.sh -diff -urN genext2fs-1.3.orig/debian/changelog genext2fs-1.3/debian/changelog ---- genext2fs-1.3.orig/debian/changelog 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/debian/changelog 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,17 @@ -+genext2fs (1.3-2) unstable; urgency=low -+ -+ * apply fix from upstream cvs that appears to fix endian bug -+ (closes: #122411) -+ * mention filesystem size limit in manpage (closes: #122729) -+ * mention that hard links are not supported in manpage -+ (closes: #155464) -+ * add sanity check at the end of the build -+ -+ -- David Kimdon <dwhedon@debian.org> Fri, 8 Mar 2002 23:17:36 -0800 -+ -+genext2fs (1.3-1) unstable; urgency=low -+ -+ * Initial Release. (closes: #105263) -+ -+ -- David Kimdon <dwhedon@debian.org> Sat, 14 Jul 2001 13:24:49 -0700 -+ -diff -urN genext2fs-1.3.orig/debian/control genext2fs-1.3/debian/control ---- genext2fs-1.3.orig/debian/control 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/debian/control 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,19 @@ -+Source: genext2fs -+Section: admin -+Priority: optional -+Maintainer: David Kimdon <dwhedon@debian.org> -+Build-Depends: debhelper (>> 3.0.0) -+Standards-Version: 3.5.2 -+ -+Package: genext2fs -+Architecture: any -+Depends: ${shlibs:Depends} -+Description: ext2 filesystem generator for embedded systems -+ `genext2fs' is meant to generate an ext2 filesystem -+ as a normal (non-root) user. It doesn't require you to mount -+ the image file to copy files on it. It doesn't even require -+ you to be the superuser to make device nodes. -+ . -+ Warning ! `genext2fs' has been designed for embedded -+ systems. As such, it will generate a filesystem for single-user -+ usage: all files/directories/etc... will belong to UID/GID 0 -diff -urN genext2fs-1.3.orig/debian/copyright genext2fs-1.3/debian/copyright ---- genext2fs-1.3.orig/debian/copyright 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/debian/copyright 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,15 @@ -+This package was debianized by David Kimdon <dwhedon@debian.org> on -+Sat, 14 Jul 2001 13:24:49 -0700. -+ -+It was downloaded from http://freshmeat.net/projects/genext2fs/ -+Upstream Author(s): Xavier Bestel <xbestel@aplio.fr> -+ -+Copyright (C) 2000 Xavier Bestel <xavier.bestel@free.fr> -+ -+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; version -+2 of the License. -+ -+On Debian systems, the complete text of the GNU General Public -+License can be found in /usr/share/common-licenses/GPL file. -diff -urN genext2fs-1.3.orig/debian/rules genext2fs-1.3/debian/rules ---- genext2fs-1.3.orig/debian/rules 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/debian/rules 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,70 @@ -+#!/usr/bin/make -f -+# Sample debian/rules that uses debhelper. -+# GNU copyright 1997 to 1999 by Joey Hess. -+ -+# Uncomment this to turn on verbose mode. -+#export DH_VERBOSE=1 -+ -+# This is the debhelper compatability version to use. -+export DH_COMPAT=2 -+ -+configure: configure-stamp -+configure-stamp: -+ dh_testdir -+ # Add here commands to configure the package. -+ # ./configure --prefix=/usr --mandir=/usr/share/man/ -+ -+ touch configure-stamp -+ -+build: configure-stamp build-stamp -+build-stamp: -+ dh_testdir -+ -+ # Add here commands to compile the package. -+ $(MAKE) -+ $(MAKE) check -+ -+ touch build-stamp -+ -+clean: -+ dh_testdir -+ dh_testroot -+ rm -f build-stamp configure-stamp -+ -+ # Add here commands to clean up after the build process. -+ -$(MAKE) clean -+ -+ dh_clean -+ -+install: build -+ dh_testdir -+ dh_testroot -+ dh_clean -k -+ dh_installdirs -+ -+ # Add here commands to install the package into debian/genext2fs. -+ $(MAKE) install DESTDIR=`pwd`/debian/genext2fs -+ -+ -+# Build architecture-independent files here. -+binary-indep: build install -+# We have nothing to do by default. -+ -+# Build architecture-dependent files here. -+binary-arch: build install -+ dh_testdir -+ dh_testroot -+ dh_installdocs -+ dh_installchangelogs -+ dh_link -+ dh_strip -+ dh_compress -+ dh_fixperms -+ dh_installdeb -+ dh_shlibdeps -+ dh_gencontrol -+ dh_md5sums -+ dh_builddeb -+ -+binary: binary-indep binary-arch -+.PHONY: build clean binary-indep binary-arch binary install configure -diff -urN genext2fs-1.3.orig/dev.txt genext2fs-1.3/dev.txt ---- genext2fs-1.3.orig/dev.txt 2000-09-28 09:03:19.000000000 -0600 -+++ genext2fs-1.3/dev.txt 1969-12-31 17:00:00.000000000 -0700 -@@ -1,94 +0,0 @@ --drwx /dev --crw- 10,190 /dev/lcd --crw- 10,191 /dev/splc781 --crw- 4,0 /dev/console --crw- 5,64 /dev/cua0 --crw- 5,65 /dev/cua1 --crw- 5,66 /dev/cua2 --crw- 5,70 /dev/cua6 --crw- 5,71 /dev/cua7 --crw- 5,72 /dev/cua8 --crw- 5,73 /dev/cua9 --crw- 29,0 /dev/fb0 --crw- 29,32 /dev/fb1 --crw- 1,2 /dev/kmem --crw- 1,1 /dev/mem --crw- 1,3 /dev/null --crw- 2,2 /dev/ptyp2 --crw- 2,3 /dev/ptyp3 --crw- 2,5 /dev/ptyp5 --crw- 2,4 /dev/ptyp4 --crw- 10,178 /dev/triokb --crw- 2,0 /dev/ptyp0 --crw- 2,6 /dev/ptyp6 --crw- 2,7 /dev/ptyp7 --crw- 2,8 /dev/ptyp8 --crw- 2,9 /dev/ptyp9 --crw- 2,10 /dev/ptypa --crw- 2,11 /dev/ptypb --crw- 2,12 /dev/ptypc --crw- 2,13 /dev/ptypd --crw- 2,14 /dev/ptype --crw- 2,15 /dev/ptypf --brw- 1,0 /dev/ram0 --brw- 1,1 /dev/ram1 --brw- 1,2 /dev/ram2 --brw- 1,3 /dev/ram3 --br-- 31,0 /dev/rom0 --brw- 31,1 /dev/rom1 --brw- 31,2 /dev/rom2 --brw- 31,3 /dev/rom3 --crw- 5,0 /dev/tty --crw- 4,0 /dev/tty0 --crwx 4,1 /dev/tty1 --crwx 4,2 /dev/tty2 --crwx 4,3 /dev/tty3 --crwx 4,4 /dev/tty4 --crw- 4,5 /dev/tty5 --crwx 4,6 /dev/tty6 --crw- 4,7 /dev/tty7 --crw- 4,8 /dev/tty8 --crw- 4,9 /dev/tty9 --crw- 4,64 /dev/ttyS0 --crw- 4,65 /dev/ttyS1 --crw- 4,66 /dev/ttyS2 --crw- 4,67 /dev/ttyS3 --crw- 4,68 /dev/ttyS4 --crw- 4,69 /dev/ttyS5 --crw- 4,70 /dev/ttyS6 --crw- 4,71 /dev/ttyS7 --crw- 4,72 /dev/ttyS8 --crw- 4,73 /dev/ttyS9 --crw- 3,0 /dev/ttyp0 --crw- 3,1 /dev/ttyp1 --crw- 3,2 /dev/ttyp2 --crw- 3,3 /dev/ttyp3 --crw- 3,4 /dev/ttyp4 --crw- 3,5 /dev/ttyp5 --crw- 3,6 /dev/ttyp6 --crw- 3,7 /dev/ttyp7 --crw- 3,8 /dev/ttyp8 --crw- 3,9 /dev/ttyp9 --crw- 3,10 /dev/ttypa --crw- 3,11 /dev/ttypb --crw- 3,12 /dev/ttypc --crw- 3,13 /dev/ttypd --crw- 3,14 /dev/ttype --crw- 3,15 /dev/ttypf --crw- 1,5 /dev/zero --crwx 10,111 /dev/dtedrv --crwx 4,110 /dev/ttyM --crw- 77,1 /dev/tssnd --crw- 77,2 /dev/tstone --crw- 2,1 /dev/ptyp1 --crwx 10,180 /dev/triohook --crw- 90,0 /dev/mtd0 --brw- 44,0 /dev/ftl0 --crw- 10,175 /dev/tporta --crw- 10,176 /dev/tportb --crwx 10,100 /dev/softmodem --crwx 10,101 /dev/softmodem_signals --crwx 10,181 /dev/triovoice --crw- 5,67 /dev/cua3 --crw- 5,68 /dev/cua4 --crw- 5,69 /dev/cua5 -diff -urN genext2fs-1.3.orig/device_table.txt genext2fs-1.3/device_table.txt ---- genext2fs-1.3.orig/device_table.txt 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/device_table.txt 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,129 @@ -+# When building a target filesystem, it is desirable to not have to -+# become root and then run 'mknod' a thousand times. Using a device -+# table you can create device nodes and directories "on the fly". -+# -+# This is a sample device table file for use with genext2fs. You can -+# do all sorts of interesting things with a device table file. For -+# example, if you want to adjust the permissions on a particular file -+# you can just add an entry like: -+# /sbin/foobar f 2755 0 0 - - - - - -+# and (assuming the file /sbin/foobar exists) it will be made setuid -+# root (regardless of what its permissions are on the host filesystem. -+# Furthermore, you can use a single table entry to create a many device -+# minors. For example, if I wanted to create /dev/hda and /dev/hda[0-15] -+# I could just use the following two table entries: -+# /dev/hda b 640 0 0 3 0 0 0 - -+# /dev/hda b 640 0 0 3 1 1 1 15 -+# -+# Device table entries take the form of: -+# <name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> -+# where name is the file name, type can be one of: -+# f A regular file -+# d Directory -+# c Character special device file -+# b Block special device file -+# p Fifo (named pipe) -+# uid is the user id for the target file, gid is the group id for the -+# target file. The rest of the entries (major, minor, etc) apply only -+# to device special files. -+ -+# Have fun -+# -Erik Andersen <andersen@codepoet.org> -+# -+ -+#<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> -+/dev d 755 0 0 - - - - - -+/dev/mem c 640 0 0 1 1 0 0 - -+/dev/kmem c 640 0 0 1 2 0 0 - -+/dev/null c 640 0 0 1 3 0 0 - -+/dev/zero c 640 0 0 1 5 0 0 - -+/dev/random c 640 0 0 1 8 0 0 - -+/dev/urandom c 640 0 0 1 9 0 0 - -+/dev/tty c 666 0 0 5 0 0 0 - -+/dev/tty c 666 0 0 4 0 0 1 6 -+/dev/console c 640 0 0 5 1 0 0 - -+/dev/ram b 640 0 0 1 1 0 0 - -+/dev/ram b 640 0 0 1 0 0 1 4 -+/dev/loop b 640 0 0 7 0 0 1 2 -+/dev/ptmx c 666 0 0 5 2 0 0 - -+#/dev/ttyS c 640 0 0 4 64 0 1 4 -+#/dev/psaux c 640 0 0 10 1 0 0 - -+#/dev/rtc c 640 0 0 10 135 0 0 - -+ -+# Adjust permissions on some normal files -+#/etc/shadow f 600 0 0 - - - - - -+#/bin/tinylogin f 4755 0 0 - - - - - -+ -+# User-mode Linux stuff -+/dev/ubda b 640 0 0 98 0 0 0 - -+/dev/ubda b 640 0 0 98 1 1 1 15 -+ -+# IDE Devices -+/dev/hda b 640 0 0 3 0 0 0 - -+/dev/hda b 640 0 0 3 1 1 1 15 -+/dev/hdb b 640 0 0 3 64 0 0 - -+/dev/hdb b 640 0 0 3 65 1 1 15 -+#/dev/hdc b 640 0 0 22 0 0 0 - -+#/dev/hdc b 640 0 0 22 1 1 1 15 -+#/dev/hdd b 640 0 0 22 64 0 0 - -+#/dev/hdd b 640 0 0 22 65 1 1 15 -+#/dev/hde b 640 0 0 33 0 0 0 - -+#/dev/hde b 640 0 0 33 1 1 1 15 -+#/dev/hdf b 640 0 0 33 64 0 0 - -+#/dev/hdf b 640 0 0 33 65 1 1 15 -+#/dev/hdg b 640 0 0 34 0 0 0 - -+#/dev/hdg b 640 0 0 34 1 1 1 15 -+#/dev/hdh b 640 0 0 34 64 0 0 - -+#/dev/hdh b 640 0 0 34 65 1 1 15 -+ -+# SCSI Devices -+#/dev/sda b 640 0 0 8 0 0 0 - -+#/dev/sda b 640 0 0 8 1 1 1 15 -+#/dev/sdb b 640 0 0 8 16 0 0 - -+#/dev/sdb b 640 0 0 8 17 1 1 15 -+#/dev/sdc b 640 0 0 8 32 0 0 - -+#/dev/sdc b 640 0 0 8 33 1 1 15 -+#/dev/sdd b 640 0 0 8 48 0 0 - -+#/dev/sdd b 640 0 0 8 49 1 1 15 -+#/dev/sde b 640 0 0 8 64 0 0 - -+#/dev/sde b 640 0 0 8 65 1 1 15 -+#/dev/sdf b 640 0 0 8 80 0 0 - -+#/dev/sdf b 640 0 0 8 81 1 1 15 -+#/dev/sdg b 640 0 0 8 96 0 0 - -+#/dev/sdg b 640 0 0 8 97 1 1 15 -+#/dev/sdh b 640 0 0 8 112 0 0 - -+#/dev/sdh b 640 0 0 8 113 1 1 15 -+#/dev/sg c 640 0 0 21 0 0 1 15 -+#/dev/scd b 640 0 0 11 0 0 1 15 -+#/dev/st c 640 0 0 9 0 0 1 8 -+#/dev/nst c 640 0 0 9 128 0 1 8 -+#/dev/st c 640 0 0 9 32 1 1 4 -+#/dev/st c 640 0 0 9 64 1 1 4 -+#/dev/st c 640 0 0 9 96 1 1 4 -+ -+# Floppy disk devices -+#/dev/fd b 640 0 0 2 0 0 1 2 -+#/dev/fd0d360 b 640 0 0 2 4 0 0 - -+#/dev/fd1d360 b 640 0 0 2 5 0 0 - -+#/dev/fd0h1200 b 640 0 0 2 8 0 0 - -+#/dev/fd1h1200 b 640 0 0 2 9 0 0 - -+#/dev/fd0u1440 b 640 0 0 2 28 0 0 - -+#/dev/fd1u1440 b 640 0 0 2 29 0 0 - -+#/dev/fd0u2880 b 640 0 0 2 32 0 0 - -+#/dev/fd1u2880 b 640 0 0 2 33 0 0 - -+ -+# All the proprietary cdrom devices in the world -+#/dev/aztcd b 640 0 0 29 0 0 0 - -+#/dev/bpcd b 640 0 0 41 0 0 0 - -+#/dev/capi20 c 640 0 0 68 0 0 1 2 -+#/dev/cdu31a b 640 0 0 15 0 0 0 - -+#/dev/cdu535 b 640 0 0 24 0 0 0 - -+#/dev/cm206cd b 640 0 0 32 0 0 0 - -+#/dev/sjcd b 640 0 0 18 0 0 0 - -+#/dev/sonycd b 640 0 0 15 0 0 0 - -+#/dev/gscd b 640 0 0 16 0 0 0 - -+#/dev/sbpcd b 640 0 0 25 0 0 0 - -+#/dev/sbpcd b 640 0 0 25 0 0 1 4 -+#/dev/mcd b 640 0 0 23 0 0 0 - -+#/dev/optcd b 640 0 0 17 0 0 0 - -+ -diff -urN genext2fs-1.3.orig/genext2fs.8 genext2fs-1.3/genext2fs.8 ---- genext2fs-1.3.orig/genext2fs.8 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/genext2fs.8 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,125 @@ -+.\" Hey, EMACS: -*- nroff -*- -+.\" First parameter, NAME, should be all caps -+.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection -+.\" other parameters are allowed: see man(7), man(1) -+.TH GENEXT2FS 8 "July 14, 2001" -+.\" Please adjust this date whenever revising the manpage. -+.\" -+.\" Some roff macros, for reference: -+.\" .nh disable hyphenation -+.\" .hy enable hyphenation -+.\" .ad l left justify -+.\" .ad b justify to both left and right margins -+.\" .nf disable filling -+.\" .fi enable filling -+.\" .br insert line break -+.\" .sp <n> insert n+1 empty lines -+.\" for manpage-specific macros, see man(7) -+.SH NAME -+genext2fs \- ext2 filesystem generator for embedded systems -+.SH SYNOPSIS -+.B genext2fs -+.RI [ options ] " image" -+.SH DESCRIPTION -+\fBgenext2fs\fP generates an ext2 filesystem -+as a normal (non-root) user. It doesn't require you to mount -+the image file to copy files on it. It doesn't even require -+you to be the superuser to make device nodes. -+.SH OPTIONS -+.TP -+.BI -x \ image -+Use this image as a starting point -+.TP -+.BI -d \ directory -+Add this directory as source -+.TP -+.BI -f \ FILE -+.TP -+.BI -D \ FILE -+Uses the named FILE as a device table file, to create device -+nodes and directories "on the fly". -+.TP -+.BI -b \ blocks -+Size in blocks -+.TP -+.BI -i \ inodes -+Number of inodes -+.TP -+.BI -r \ reserved -+Number of reserved blocks -+.TP -+.BI -g \ path -+Generate a block map file for this path -+.TP -+.BI -e \ value -+Fill unallocated blocks with value -+.TP -+.BI -z -+Make files with holes -+.TP -+.BI -U -+Squash owners making all files be owned by root -+.TP -+.BI -P -+Squash permissions on all files -+.TP -+.BI -q -+Squash permissions and owners (same as -P -U) -+.TP -+.BI -v -+Print resulting filesystem structure -+.TP -+.BI -h -+Display help -+.TP -+.SH EXAMPLES -+ -+.EX -+.B -+ genext2fs -b 1440 -d src /dev/fd0 -+.EE -+ -+All files in the -+.I src -+directory will be written to -+.B /dev/fd0 -+as a new ext2 filesystem image. You can then mount the floppy as -+usual. -+ -+.EX -+.B -+ genext2fs -b 1024 -d src -D device_table.txt flashdisk.img -+.EE -+ -+This example builds a filesystem from all the files in -+.I src -+, then device nodes are created based on the content the device_table file -+.I dev.txt. -+An example device file follows: -+ -+.EX -+ #<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> -+ /dev d 755 0 0 - - - - - -+ /dev/mem c 640 0 0 1 1 0 0 - -+ /dev/tty c 666 0 0 5 0 0 0 - -+ /dev/tty c 666 0 0 4 0 0 1 6 -+ /dev/loop b 640 0 0 7 0 0 1 2 -+ /dev/hda b 640 0 0 3 0 0 0 - -+ /dev/hda b 640 0 0 3 1 1 1 16 -+.EE -+ -+This device table creates the /dev directory, a character device -+node /dev/mem (major 1, minor 1), it also creates /dev/tty, -+/dev/tty[0-5], /dev/loop[0-1], /dev/hda, and /dev/hda0 to /dev/hda15 -+.SH BUGS -+\fBgenext2fs\fP does not support hard links. Hard links present in the input -+tree will be represented as separate files in the ext2 image. -+ -+.SH SEE ALSO -+.BR mkfs (8), -+.BR genromfs (8), -+.BR mkisofs (8). -+.br -+.SH AUTHOR -+This manual page was written by David Kimdon <dwhedon@debian.org>, -+for the Debian GNU/Linux system (but may be used by others). -diff -urN genext2fs-1.3.orig/genext2fs.c genext2fs-1.3/genext2fs.c ---- genext2fs-1.3.orig/genext2fs.c 2001-06-18 02:11:32.000000000 -0600 -+++ genext2fs-1.3/genext2fs.c 2003-04-21 01:48:35.000000000 -0600 -@@ -1,3 +1,4 @@ -+/* vi: set sw=8 ts=8: */ - // genext2fs.c - // - // ext2 filesystem generator for embedded systems -@@ -26,6 +27,22 @@ - // Bugfix: getcwd values for Solaris xavier.gueguen@col.bsf.alcatel.fr - // Bugfix: ANSI scanf for non-GNU C xavier.gueguen@col.bsf.alcatel.fr - // 28 Jun 2001 Bugfix: getcwd differs for Solaris/GNU mike@sowbug.com -+// 23 Mar 2002 Bugfix: test for IFCHR or IFBLK was flawed -+// 10 Oct 2002 Added comments,makefile targets, vsundar@ixiacom.com -+// endianess swap assert check. -+// Copyright (C) 2002 Ixia communications -+// 12 Oct 2002 Added support for triple indirection vsundar@ixiacom.com -+// Copyright (C) 2002 Ixia communications -+// 14 Oct 2002 Added support for groups vsundar@ixiacom.com -+// Copyright (C) 2002 Ixia communications -+// 5 Jan 2003 Bugfixes: reserved inodes should be set vsundar@usc.edu -+// only in the first group; directory names -+// need to be null padded at the end; and -+// number of blocks per group should be a -+// multiple of 8. Updated md5 values. -+// 6 Jan 2003 Erik Andersen <andersee@debian.org> added -+// mkfs.jffs2 compatible device table support, -+// along with -q, -P, -U - - - // `genext2fs' is a mean to generate an ext2 filesystem -@@ -33,10 +50,6 @@ - // the image file to copy files on it. It doesn't even require - // you to be the superuser to make device nodes. - // --// Warning ! `genext2fs' has been designed for embedded --// systems. As such, it will generate a filesystem for single-user --// usage: all files/directories/etc... will belong to UID/GID 0 --// - // Example usage: - // - // # genext2fs -b 1440 -d srcdir /dev/fd0 -@@ -45,21 +58,15 @@ - // a new ext2 filesystem image. You can then mount the floppy as - // usual. - // --// # genext2fs -b 1024 -d builddir -f devices.txt flashdisk.img -+// # genext2fs -b 1024 -d builddir -D device_table.txt flashdisk.img - // - // This one would build a filesystem from all the files in builddir, --// then would read a devices list and make apropriate nodes. The --// format for the device list is: --// --// drwx /dev --// crw- 10,190 /dev/lcd --// brw- 1,0 /dev/ram0 --// --// This device list builds the /dev directory, a character device --// node /dev/lcd (major 10, minor 190) and a block device node --// /dev/ram0 (major 1, minor 0) -+// then would read the device_table.txt file and make apropriate nodes. -+// The format for the device table file is covered in detail in the sample -+// device_table.txt file provided with the genext2fs source. - - -+#define _GNU_SOURCE - #include <stdio.h> - #include <stdlib.h> - #include <string.h> -@@ -67,6 +74,11 @@ - #include <stdarg.h> - #include <unistd.h> - #include <sys/stat.h> -+#include <assert.h> -+#include <time.h> -+#include <ctype.h> -+#include <errno.h> -+#include <fcntl.h> - - - -@@ -76,10 +88,14 @@ - #define BLOCKSIZE 1024 - #define BLOCKS_PER_GROUP 8192 - #define BYTES_PER_INODE (8*BLOCKSIZE) -+/* Percentage of blocks that are reserved.*/ - #define RESERVED_INODES 5/100 - - - // inode block size (why is it != BLOCKSIZE ?!?) -+/* The field i_blocks in the ext2 inode stores the number of data blocks -+ but in terms of 512 bytes. That is what INODE_BLOCKSIZE represents. -+ INOBLK is the number of such blocks in an actual disk block */ - - #define INODE_BLOCKSIZE 512 - #define INOBLK (BLOCKSIZE / INODE_BLOCKSIZE) -@@ -147,6 +163,39 @@ - - #define OP_HOLES 0x01 // make files with holes - -+/* Defines for accessing group details */ -+ -+// Number of groups in the filesystem -+#define GRP_NBGROUPS(fs) ( ((fs)->sb.s_blocks_count-1)/(fs)->sb.s_blocks_per_group ) -+ -+// Get group block bitmap (bbm) given the group number -+#define GRP_GET_GROUP_BBM(fs,grp) ( get_blk((fs),(fs)->gd[(grp)].bg_block_bitmap) ) -+ -+// Get group inode bitmap (ibm) given the group number -+#define GRP_GET_GROUP_IBM(fs,grp) ( get_blk((fs),(fs)->gd[(grp)].bg_inode_bitmap) ) -+ -+// Given an inode number find the group it belongs to -+#define GRP_GROUP_OF_INODE(fs,nod) ( ((nod)-1) / (fs)->sb.s_inodes_per_group) -+ -+//Given an inode number get the inode bitmap that covers it -+#define GRP_GET_INODE_BITMAP(fs,nod) \ -+ ( GRP_GET_GROUP_IBM((fs),GRP_GROUP_OF_INODE((fs),(nod))) ) -+ -+//Given an inode number find its offset within the inode bitmap that covers it -+#define GRP_IBM_OFFSET(fs,nod) \ -+ ( (nod) - GRP_GROUP_OF_INODE((fs),(nod))*(fs)->sb.s_inodes_per_group ) -+ -+// Given a block number find the group it belongs to -+#define GRP_GROUP_OF_BLOCK(fs,blk) ( ((blk)-1) / (fs)->sb.s_blocks_per_group) -+ -+//Given a block number get the block bitmap that covers it -+#define GRP_GET_BLOCK_BITMAP(fs,blk) \ -+ ( GRP_GET_GROUP_BBM((fs),GRP_GROUP_OF_BLOCK((fs),(blk))) ) -+ -+//Given a block number find its offset within the block bitmap that covers it -+#define GRP_BBM_OFFSET(fs,blk) \ -+ ( (blk) - GRP_GROUP_OF_BLOCK((fs),(blk))*(fs)->sb.s_blocks_per_group ) -+ - - // used types - -@@ -287,7 +336,6 @@ - { - groupdescriptor_decl - uint32 bg_reserved[3]; -- uint32 bg_pad_to_bk[(BLOCKSIZE-32)/sizeof(uint32)]; - } groupdescriptor; - - typedef struct -@@ -304,6 +352,32 @@ - - typedef uint8 block[BLOCKSIZE]; - -+/* blockwalker fields: -+ The blockwalker is used to access all the blocks of a file (including -+ the indirection blocks) through repeated calls to walk_bw. -+ -+ bpdir -> index into the inode->i_block[]. Indicates level of indirection. -+ bnum -> total number of blocks so far accessed. including indirection -+ blocks. -+ bpind,bpdind,bptind -> index into indirection blocks. -+ -+ bpind, bpdind, bptind do *NOT* index into single, double and triple -+ indirect blocks resp. as you might expect from their names. Instead -+ they are in order the 1st, 2nd & 3rd index to be used -+ -+ As an example.. -+ To access data block number 70000: -+ bpdir: 15 (we are doing triple indirection) -+ bpind: 0 ( index into the triple indirection block) -+ bpdind: 16 ( index into the double indirection block) -+ bptind: 99 ( index into the single indirection block) -+ 70000 = 12 + 256 + 256*256 + 16*256 + 100 (indexing starts from zero) -+ -+ So,for double indirection bpind will index into the double indirection -+ block and bpdind into the single indirection block. For single indirection -+ only bpind will be used. -+*/ -+ - typedef struct - { - uint32 bnum; -@@ -313,15 +387,14 @@ - uint32 bptind; - } blockwalker; - -+ -+/* Filesystem structure that support groups */ - #if BLOCKSIZE == 1024 - typedef struct - { - block zero; // The famous block 0 - superblock sb; // The superblock -- groupdescriptor gd; // The group desciptor -- block bbm; // The block bitmap -- block ibm; // The inode bitmap -- inode itab[0]; // The inode table -+ groupdescriptor gd[0]; // The group descriptors - } filesystem; - #else - #error UNHANDLED BLOCKSIZE -@@ -389,25 +462,113 @@ - #undef udecl32 - #undef utdecl32 - --char * argv0; -+static char * app_name; -+static int squash_uids = 0; -+static int squash_perms = 0; -+static const char *const memory_exhausted = "memory exhausted"; - - // error (un)handling --inline void errexit(const char *fmt, ...) -+static void verror_msg(const char *s, va_list p) - { -- va_list ap; -- fprintf(stderr, "%s: ", argv0); -- va_start(ap, fmt); -- vfprintf(stderr, fmt, ap); -- va_end(ap); -- fprintf(stderr, "\n"); -- exit(1); -+ fflush(stdout); -+ fprintf(stderr, "%s: ", app_name); -+ vfprintf(stderr, s, p); -+} -+static void error_msg(const char *s, ...) -+{ -+ va_list p; -+ va_start(p, s); -+ verror_msg(s, p); -+ va_end(p); -+ putc('\n', stderr); -+} -+ -+static void error_msg_and_die(const char *s, ...) -+{ -+ va_list p; -+ va_start(p, s); -+ verror_msg(s, p); -+ va_end(p); -+ putc('\n', stderr); -+ exit(EXIT_FAILURE); -+} -+ -+static void vperror_msg(const char *s, va_list p) -+{ -+ int err = errno; -+ if (s == 0) -+ s = ""; -+ verror_msg(s, p); -+ if (*s) -+ s = ": "; -+ fprintf(stderr, "%s%s\n", s, strerror(err)); -+} -+ -+#if 0 -+static void perror_msg(const char *s, ...) -+{ -+ va_list p; -+ va_start(p, s); -+ vperror_msg(s, p); -+ va_end(p); -+} -+#endif -+static void perror_msg_and_die(const char *s, ...) -+{ -+ va_list p; -+ va_start(p, s); -+ vperror_msg(s, p); -+ va_end(p); -+ exit(EXIT_FAILURE); - } - --inline void pexit(const char * fname) -+static FILE *xfopen(const char *path, const char *mode) - { -- fprintf(stderr, "%s: ", argv0); -- perror(fname); -- exit(1); -+ FILE *fp; -+ if ((fp = fopen(path, mode)) == NULL) -+ perror_msg_and_die("%s", path); -+ return fp; -+} -+ -+static char *xstrdup(const char *s) -+{ -+ char *t; -+ -+ if (s == NULL) -+ return NULL; -+ t = strdup(s); -+ if (t == NULL) -+ error_msg_and_die(memory_exhausted); -+ return t; -+} -+ -+extern void *xrealloc(void *ptr, size_t size) -+{ -+ ptr = realloc(ptr, size); -+ if (ptr == NULL && size != 0) -+ error_msg_and_die(memory_exhausted); -+ return ptr; -+} -+ -+static char *xreadlink(const char *path) -+{ -+ static const int GROWBY = 80; /* how large we will grow strings by */ -+ -+ char *buf = NULL; -+ int bufsize = 0, readsize = 0; -+ -+ do { -+ buf = xrealloc(buf, bufsize += GROWBY); -+ readsize = readlink(path, buf, bufsize); /* 1st try */ -+ if (readsize == -1) { -+ perror_msg_and_die("%s:%s", app_name, path); -+ } -+ } -+ while (bufsize < readsize + 1); -+ -+ buf[readsize] = '\0'; -+ -+ return buf; - } - - // printf helper macro -@@ -423,7 +584,7 @@ - { - } - --// rounds a quantity up to a blocksize -+/* Rounds qty upto a multiple of siz. siz should be a power of 2 */ - uint32 rndup(uint32 qty, uint32 siz) - { - return (qty + (siz - 1)) & ~(siz - 1); -@@ -444,7 +605,13 @@ - // return a given inode from a filesystem - inline inode * get_nod(filesystem *fs, uint32 nod) - { -- return &fs->itab[nod-1]; -+ int grp,offset; -+ inode *itab; -+ -+ offset = GRP_IBM_OFFSET(fs,nod); -+ grp = GRP_GROUP_OF_INODE(fs,nod); -+ itab = (inode *)get_blk(fs, fs->gd[grp].bg_inode_table); -+ return itab+offset-1; - } - - // allocate a given block/inode in the bitmap -@@ -479,29 +646,57 @@ - } - - // allocate a block --uint32 alloc_blk(filesystem *fs) -+uint32 alloc_blk(filesystem *fs, uint32 nod) - { -- uint32 bk; -- if(!(bk = allocate(fs->bbm, 0))) -- errexit("couldn't allocate a block (no free space)"); -- if(!(fs->gd.bg_free_blocks_count--)) -- errexit("group descr. free blocks count == 0 (corrupted fs?)"); -+ uint32 bk=0; -+ uint32 grp,nbgroups; -+ -+ grp = nod/fs->sb.s_inodes_per_group; -+ nbgroups = ( fs->sb.s_blocks_count - fs->sb.s_first_data_block + fs->sb.s_blocks_per_group -1 ) / -+ fs->sb.s_blocks_per_group; -+ if(!(bk = allocate(get_blk(fs,fs->gd[grp].bg_block_bitmap), 0))) { -+ for(grp=0;grp<nbgroups && !bk;grp++) -+ bk=allocate(get_blk(fs,fs->gd[grp].bg_block_bitmap),0); -+ grp--; -+ } -+ if (!bk) -+ error_msg_and_die("couldn't allocate a block (no free space)"); -+ if(!(fs->gd[grp].bg_free_blocks_count--)) -+ error_msg_and_die("group descr %d. free blocks count == 0 (corrupted fs?)",grp); - if(!(fs->sb.s_free_blocks_count--)) -- errexit("superblock free blocks count == 0 (corrupted fs?)"); -- return bk; -+ error_msg_and_die("superblock free blocks count == 0 (corrupted fs?)"); -+ return fs->sb.s_blocks_per_group*grp + bk; - } - - // allocate an inode - uint32 alloc_nod(filesystem *fs) - { -- uint32 nod; -- if(!(nod = allocate(fs->ibm, 0))) -- errexit("couldn't allocate an inode (no free inode)"); -- if(!(fs->gd.bg_free_inodes_count--)) -- errexit("group descr. free blocks count == 0 (corrupted fs?)"); -+ uint32 nod=0,best_group=0; -+ uint32 grp,nbgroups,avefreei; -+ -+ nbgroups = ( fs->sb.s_blocks_count - fs->sb.s_first_data_block + fs->sb.s_blocks_per_group -1 ) / -+ fs->sb.s_blocks_per_group; -+ -+ /* Distribute inodes amongst all the blocks */ -+ /* For every block group with more than average number of free inodes */ -+ /* find the one with the most free blocks and allocate node there */ -+ /* Idea from find_group_dir in fs/ext2/ialloc.c in 2.4.19 kernel */ -+ /* We do it for all inodes. */ -+ avefreei = fs->sb.s_free_inodes_count / nbgroups; -+ for(grp=0;grp<nbgroups && !nod;grp++) { -+ if (fs->gd[grp].bg_free_inodes_count < avefreei) -+ continue; -+ if (!best_group || -+ fs->gd[grp].bg_free_blocks_count > fs->gd[best_group].bg_free_blocks_count) -+ best_group = grp; -+ } -+ if (!(nod = allocate(get_blk(fs,fs->gd[best_group].bg_inode_bitmap),0))) -+ error_msg_and_die("couldn't allocate an inode (no free inode)"); -+ if(!(fs->gd[best_group].bg_free_inodes_count--)) -+ error_msg_and_die("group descr. free blocks count == 0 (corrupted fs?)"); - if(!(fs->sb.s_free_inodes_count--)) -- errexit("superblock free blocks count == 0 (corrupted fs?)"); -- return nod; -+ error_msg_and_die("superblock free blocks count == 0 (corrupted fs?)"); -+ return fs->sb.s_inodes_per_group*best_group+nod; - } - - // print a bitmap allocation -@@ -546,14 +741,14 @@ - { - bkref = &get_nod(fs, nod)->i_block[bw->bpdir = 0]; - if(extend) // allocate first block -- *bkref = hole ? 0 : alloc_blk(fs); -+ *bkref = hole ? 0 : alloc_blk(fs,nod); - } - // direct block - else if(bw->bpdir < EXT2_NDIR_BLOCKS) - { - bkref = &get_nod(fs, nod)->i_block[++bw->bpdir]; - if(extend) // allocate block -- *bkref = hole ? 0 : alloc_blk(fs); -+ *bkref = hole ? 0 : alloc_blk(fs,nod); - } - // first block in indirect block - else if(bw->bpdir == EXT2_NDIR_BLOCKS) -@@ -562,11 +757,11 @@ - bw->bpdir = EXT2_IND_BLOCK; - bw->bpind = 0; - if(extend) // allocate indirect block -- get_nod(fs, nod)->i_block[bw->bpdir] = alloc_blk(fs); -+ get_nod(fs, nod)->i_block[bw->bpdir] = alloc_blk(fs,nod); - b = (uint32*)get_blk(fs, get_nod(fs, nod)->i_block[bw->bpdir]); - bkref = &b[bw->bpind]; - if(extend) // allocate first block -- *bkref = hole ? 0 : alloc_blk(fs); -+ *bkref = hole ? 0 : alloc_blk(fs,nod); - } - // block in indirect block - else if((bw->bpdir == EXT2_IND_BLOCK) && (bw->bpind < BLOCKSIZE/4 - 1)) -@@ -575,7 +770,7 @@ - b = (uint32*)get_blk(fs, get_nod(fs, nod)->i_block[bw->bpdir]); - bkref = &b[bw->bpind]; - if(extend) // allocate block -- *bkref = hole ? 0 : alloc_blk(fs); -+ *bkref = hole ? 0 : alloc_blk(fs,nod); - } - // first block in first indirect block in first double indirect block - else if(bw->bpdir == EXT2_IND_BLOCK) -@@ -585,14 +780,14 @@ - bw->bpind = 0; - bw->bpdind = 0; - if(extend) // allocate double indirect block -- get_nod(fs, nod)->i_block[bw->bpdir] = alloc_blk(fs); -+ get_nod(fs, nod)->i_block[bw->bpdir] = alloc_blk(fs,nod); - b = (uint32*)get_blk(fs, get_nod(fs, nod)->i_block[bw->bpdir]); - if(extend) // allocate first indirect block -- b[bw->bpind] = alloc_blk(fs); -+ b[bw->bpind] = alloc_blk(fs,nod); - b = (uint32*)get_blk(fs, b[bw->bpind]); - bkref = &b[bw->bpdind]; - if(extend) // allocate first block -- *bkref = hole ? 0 : alloc_blk(fs); -+ *bkref = hole ? 0 : alloc_blk(fs,nod); - } - // block in indirect block in double indirect block - else if((bw->bpdir == EXT2_DIND_BLOCK) && (bw->bpdind < BLOCKSIZE/4 - 1)) -@@ -602,7 +797,7 @@ - b = (uint32*)get_blk(fs, b[bw->bpind]); - bkref = &b[bw->bpdind]; - if(extend) // allocate block -- *bkref = hole ? 0 : alloc_blk(fs); -+ *bkref = hole ? 0 : alloc_blk(fs,nod); - } - // first block in indirect block in double indirect block - else if((bw->bpdir == EXT2_DIND_BLOCK) && (bw->bpind < BLOCKSIZE/4 - 1)) -@@ -612,20 +807,100 @@ - bw->bpind++; - b = (uint32*)get_blk(fs, get_nod(fs, nod)->i_block[bw->bpdir]); - if(extend) // allocate indirect block -- b[bw->bpind] = alloc_blk(fs); -+ b[bw->bpind] = alloc_blk(fs,nod); - b = (uint32*)get_blk(fs, b[bw->bpind]); - bkref = &b[bw->bpdind]; - if(extend) // allocate first block -- *bkref = hole ? 0 : alloc_blk(fs); -+ *bkref = hole ? 0 : alloc_blk(fs,nod); -+ } -+ -+ /* Adding support for triple indirection */ -+ /* Just starting triple indirection. Allocate the indirection -+ blocks and the first data block -+ */ -+ else if (bw->bpdir == EXT2_DIND_BLOCK) -+ { -+ bw->bnum += 3; -+ bw->bpdir = EXT2_TIND_BLOCK; -+ bw->bpind = 0; -+ bw->bpdind = 0; -+ bw->bptind = 0; -+ if(extend) // allocate triple indirect block -+ get_nod(fs, nod)->i_block[bw->bpdir] = alloc_blk(fs,nod); -+ b = (uint32*)get_blk(fs, get_nod(fs, nod)->i_block[bw->bpdir]); -+ if(extend) // allocate first double indirect block -+ b[bw->bpind] = alloc_blk(fs,nod); -+ b = (uint32*)get_blk(fs, b[bw->bpind]); -+ if(extend) // allocate first indirect block -+ b[bw->bpdind] = alloc_blk(fs,nod); -+ b = (uint32*)get_blk(fs, b[bw->bpdind]); -+ bkref = &b[bw->bptind]; -+ if(extend) // allocate first data block -+ *bkref = hole ? 0 : alloc_blk(fs,nod); -+ } -+ /* Still processing a single indirect block down the indirection -+ chain.Allocate a data block for it -+ */ -+ else if ( (bw->bpdir == EXT2_TIND_BLOCK) && -+ (bw->bptind < BLOCKSIZE/4 -1) ) -+ { -+ bw->bptind++; -+ b = (uint32*)get_blk(fs, get_nod(fs, nod)->i_block[bw->bpdir]); -+ b = (uint32*)get_blk(fs, b[bw->bpind]); -+ b = (uint32*)get_blk(fs, b[bw->bpdind]); -+ bkref = &b[bw->bptind]; -+ if(extend) // allocate data block -+ *bkref = hole ? 0 : alloc_blk(fs,nod); -+ } -+ /* Finished processing a single indirect block. But still in the -+ same double indirect block. Allocate new single indirect block -+ for it and a data block -+ */ -+ else if ( (bw->bpdir == EXT2_TIND_BLOCK) && -+ (bw->bpdind < BLOCKSIZE/4 -1) ) -+ { -+ bw->bnum++; -+ bw->bptind = 0; -+ bw->bpdind++; -+ b = (uint32*)get_blk(fs, get_nod(fs, nod)->i_block[bw->bpdir]); -+ b = (uint32*)get_blk(fs, b[bw->bpind]); -+ if (extend) // allocate single indirect block -+ b[bw->bpdind] = alloc_blk(fs,nod); -+ b = (uint32*)get_blk(fs, b[bw->bpdind]); -+ bkref = &b[bw->bptind]; -+ if(extend) // allocate first data block -+ *bkref = hole ? 0 : alloc_blk(fs,nod); -+ } -+ /* Finished processing a double indirect block. Allocate the next -+ double indirect block and the single,data blocks for it -+ */ -+ else if ( (bw->bpdir == EXT2_TIND_BLOCK) && -+ (bw->bpind < BLOCKSIZE/4 - 1) ) -+ { -+ bw->bnum += 2; -+ bw->bpdind = 0; -+ bw->bptind = 0; -+ bw->bpind++; -+ b = (uint32*)get_blk(fs, get_nod(fs, nod)->i_block[bw->bpdir]); -+ if(extend) // allocate double indirect block -+ b[bw->bpind] = alloc_blk(fs,nod); -+ b = (uint32*)get_blk(fs, b[bw->bpind]); -+ if(extend) // allocate single indirect block -+ b[bw->bpdind] = alloc_blk(fs,nod); -+ b = (uint32*)get_blk(fs, b[bw->bpdind]); -+ bkref = &b[bw->bptind]; -+ if(extend) // allocate first block -+ *bkref = hole ? 0 : alloc_blk(fs,nod); - } -- // I don't do triple indirect - it's such a small filesystem ... - else -- errexit("file too big ! blocks list for inode %d extends past double indirect blocks!", nod); -+ error_msg_and_die("file too big !"); -+ /* End change for walking triple indirection */ -+ - if(*bkref) - { - bw->bnum++; -- if(!allocated(fs->bbm, *bkref)) -- errexit("[block %d of inode %d is unallocated !]", *bkref, nod); -+ if(!allocated(GRP_GET_BLOCK_BITMAP(fs,*bkref), GRP_BBM_OFFSET(fs,*bkref))) -+ error_msg_and_die("[block %d of inode %d is unallocated !]", *bkref, nod); - } - if(extend) - get_nod(fs, nod)->i_blocks = bw->bnum * INOBLK; -@@ -663,23 +938,40 @@ - } - - // link an entry (inode #) to a directory --void add2dir(filesystem *fs, uint32 dnod, uint32 nod, const char* name) -+void add2dir(filesystem *fs, uint32 dnod, uint32 nod, const char* name, uint32 mode, uid_t uid, gid_t gid, time_t ctime) - { - blockwalker bw; - uint32 bk; - uint8 *b; - directory *d; - int reclen, nlen; -- if((get_nod(fs, dnod)->i_mode & FM_IFMT) != FM_IFDIR) -- errexit("can't add '%s' to a non-directory", name); -+ inode *node; -+ inode *pnode; -+ -+ /* Squash all permissions so files are owned by root -+ * and file permissions have group/other perms removed */ -+ if (squash_uids) { -+ uid = gid = 0; -+ } -+ if (squash_perms) { -+ if (!S_ISLNK(mode)) { -+ mode &= ~(S_IWGRP | S_IWOTH); -+ mode &= ~(S_ISUID | S_ISGID); -+ } -+ } -+ -+ pnode = get_nod(fs, dnod); -+ -+ if(!S_ISDIR(pnode->i_mode)) -+ error_msg_and_die("can't add '%s' to a non-directory", name); - if(!*name) -- errexit("bad name '%s' (not meaningful)", name); -+ error_msg_and_die("bad name '%s' (not meaningful)", name); - if(strchr(name, '/')) -- errexit("bad name '%s' (contains a slash)", name); -+ error_msg_and_die("bad name '%s' (contains a slash)", name); - nlen = strlen(name); - reclen = sizeof(directory) + rndup(nlen, 4); - if(reclen > BLOCKSIZE) -- errexit("bad name '%s' (too long)", name); -+ error_msg_and_die("bad name '%s' (too long)", name); - init_bw(fs, dnod, &bw); - while((bk = walk_bw(fs, dnod, &bw, 0, 0)) != WALK_END) // for all blocks in dir - { -@@ -691,9 +983,16 @@ - if((!d->d_inode) && (d->d_rec_len >= reclen)) - { - d->d_inode = nod; -- get_nod(fs, nod)->i_links_count++; -+ node = get_nod(fs, nod); -+ node->i_links_count++; - d->d_name_len = nlen; -- strncpy(d->d_name, name, nlen); -+ strncpy(d->d_name, name, rndup(nlen,4)); -+ node->i_mode = mode; -+ node->i_uid = uid; -+ node->i_gid = gid; -+ node->i_atime = ctime; -+ node->i_ctime = ctime; -+ node->i_mtime = ctime; - return; - } - // if entry with enough room (last one?), shrink it & use it -@@ -705,9 +1004,16 @@ - d = (directory*) (((int8*)d) + d->d_rec_len); - d->d_rec_len = reclen; - d->d_inode = nod; -- get_nod(fs, nod)->i_links_count++; -+ node = get_nod(fs, nod); -+ node->i_links_count++; - d->d_name_len = nlen; -- strncpy(d->d_name, name, nlen); -+ strncpy(d->d_name, name, rndup(nlen,4)); -+ node->i_mode = mode; -+ node->i_uid = uid; -+ node->i_gid = gid; -+ node->i_atime = ctime; -+ node->i_ctime = ctime; -+ node->i_mtime = ctime; - return; - } - } -@@ -716,10 +1022,17 @@ - b = get_workblk(); - d = (directory*)b; - d->d_inode = nod; -- get_nod(fs, nod)->i_links_count++; -+ node = get_nod(fs, nod); -+ node->i_links_count++; - d->d_rec_len = BLOCKSIZE; - d->d_name_len = nlen; -- strncpy(d->d_name, name, nlen); -+ strncpy(d->d_name, name, rndup(nlen,4)); -+ node->i_mode = mode; -+ node->i_uid = uid; -+ node->i_gid = gid; -+ node->i_atime = ctime; -+ node->i_ctime = ctime; -+ node->i_mtime = ctime; - extend_blk(fs, dnod, b, 1); - get_nod(fs, dnod)->i_size += BLOCKSIZE; - free_workblk(b); -@@ -747,7 +1060,7 @@ - // find the inode of a full path - uint32 find_path(filesystem *fs, uint32 nod, const char * name) - { -- char *p, *n, *n2 = strdup(name); -+ char *p, *n, *n2 = xstrdup(name); - n = n2; - while(*n == '/') - { -@@ -770,27 +1083,32 @@ - } - - // make a full-fledged directory (i.e. with "." & "..") --uint32 mkdir_fs(filesystem *fs, uint32 parent_nod, const char *name, uint32 mode) -+uint32 mkdir_fs(filesystem *fs, uint32 parent_nod, const char *name, uint32 mode, -+ uid_t uid, gid_t gid, time_t ctime) - { - uint32 nod; - if((nod = find_dir(fs, parent_nod, name))) - return nod; - nod = alloc_nod(fs); -- get_nod(fs, nod)->i_mode = FM_IFDIR | mode; -- add2dir(fs, parent_nod, nod, name); -- add2dir(fs, nod, nod, "."); -- add2dir(fs, nod, parent_nod, ".."); -- fs->gd.bg_used_dirs_count++; -+ if (!(mode & FM_IFDIR)) -+ mode |= FM_IFDIR; -+ add2dir(fs, parent_nod, nod, name, mode, uid, gid, ctime); -+ add2dir(fs, nod, nod, ".", mode, uid, gid, ctime); -+ add2dir(fs, nod, parent_nod, "..", mode, uid, gid, ctime); -+ fs->gd[GRP_GROUP_OF_INODE(fs,nod)].bg_used_dirs_count++; - return nod; - } - - // make a symlink --uint32 mklink_fs(filesystem *fs, uint32 parent_nod, const char *name, size_t size, uint8 * b) -+uint32 mklink_fs(filesystem *fs, uint32 parent_nod, const char *name, size_t size, -+ uint8 * b, uid_t uid, gid_t gid, time_t ctime) - { -+ uint32 mode; - uint32 nod = alloc_nod(fs); -+ mode = FM_IFLNK | FM_IRWXU | FM_IRWXG | FM_IRWXO; - get_nod(fs, nod)->i_mode = FM_IFLNK | FM_IRWXU | FM_IRWXG | FM_IRWXO; - get_nod(fs, nod)->i_size = size; -- add2dir(fs, parent_nod, nod, name); -+ add2dir(fs, parent_nod, nod, name, mode, uid, gid, ctime); - if(size <= 4 * (EXT2_TIND_BLOCK+1)) - { - strncpy((char*)get_nod(fs, nod)->i_block, (char*)b, size); -@@ -801,15 +1119,15 @@ - } - - // make a file from a FILE* --uint32 mkfile_fs(filesystem *fs, uint32 parent_nod, const char *name, uint32 mode, size_t size, FILE *f) -+uint32 mkfile_fs(filesystem *fs, uint32 parent_nod, const char *name, uint32 mode, size_t size, FILE *f, uid_t uid, gid_t gid, time_t ctime) - { - uint8 * b; - uint32 nod = alloc_nod(fs); -- get_nod(fs, nod)->i_mode = FM_IFREG | mode; -+ mode |= FM_IFREG; - get_nod(fs, nod)->i_size = size; -- add2dir(fs, parent_nod, nod, name); -+ add2dir(fs, parent_nod, nod, name, mode, uid, gid, ctime); - if(!(b = (uint8*)malloc(rndup(size, BLOCKSIZE)))) -- errexit("not enough mem to read file '%s'", name); -+ error_msg_and_die("not enough mem to read file '%s'", name); - memset(b, 0,rndup(size, BLOCKSIZE)); - if(f) - fread(b, size, 1, f); -@@ -824,6 +1142,15 @@ - uint32 get_mode(struct stat *st) - { - uint32 mode = 0; -+ -+ /* Squash file permissions as needed */ -+ if (squash_perms) { -+ if (!S_ISLNK(mode)) { -+ st->st_mode &= ~(S_IWGRP | S_IWOTH); -+ st->st_mode &= ~(S_ISUID | S_ISGID); -+ } -+ } -+ - if(st->st_mode & S_IRUSR) - mode |= FM_IRUSR | FM_IRGRP | FM_IROTH; - if(st->st_mode & S_IWUSR) -@@ -833,30 +1160,17 @@ - return mode; - } - --// retrieves a mode info from a string --uint32 get_modestr(const char *p) --{ -- uint32 mode = 0; -- if(p[0] == 'r') -- mode |= FM_IRUSR | FM_IRGRP | FM_IROTH; -- if(p[1] == 'w') -- mode |= FM_IWUSR | FM_IWGRP | FM_IWOTH; -- if(p[2] == 'x' || p[2] == 's') -- mode |= FM_IXUSR | FM_IXGRP | FM_IXOTH; -- return mode; --} -- - // basename of a path - free me - char * basename(const char * fullpath) - { - char * p = strrchr(fullpath, '/'); -- return strdup(p ? p + 1 : fullpath); -+ return xstrdup(p ? p + 1 : fullpath); - } - - // dirname of a path - free me - char * dirname(const char * fullpath) - { -- char * p, * n = strdup(fullpath); -+ char * p, * n = xstrdup(fullpath); - if((p = strrchr(n, '/'))) - *(p+1) = 0; - else -@@ -864,66 +1178,6 @@ - return n; - } - --// adds entries to the filesystem from a text file --void add2fs_from_file(filesystem *fs, uint32 this_nod, FILE * fh) --{ -- uint32 mode; -- uint32 nod, nod2; -- char cmod[11], *path, *name, *dir; -- int major, minor; -- while(fscanf(fh, "%10s", cmod)) -- { -- if(feof(fh)) -- break; -- mode = get_modestr(cmod + 1); -- switch(*cmod) -- { -- case 'd': -- fscanf(fh, "%" SCANF_PREFIX "s\n", SCANF_STRING(path)); -- break; -- case 'c': -- mode |= FM_IFCHR; -- fscanf(fh, "%i, %i %" SCANF_PREFIX "s\n", &major, &minor, SCANF_STRING(path)); -- break; -- case 'b': -- mode |= FM_IFBLK; -- fscanf(fh, "%i, %i %" SCANF_PREFIX "s\n", &major, &minor, SCANF_STRING(path)); -- break; -- case '#': -- while(fgetc(fh) != '\n'); -- continue; -- default: -- errexit("malformed text input file"); -- } -- name = basename(path); -- dir = dirname(path); -- free(path); -- if(!(nod = find_path(fs, this_nod, dir))) -- errexit("can't find directory '%s' to create '%s''", dir, name); -- free(dir); -- if((!strcmp(name, ".")) || (!strcmp(name, ".."))) -- { -- free(name); -- continue; -- } -- switch(*cmod) -- { -- case 'd': -- mkdir_fs(fs, nod, name, mode); -- break; -- case 'c': -- case 'b': -- nod2 = alloc_nod(fs); -- get_nod(fs, nod2)->i_mode = mode; -- ((uint8*)get_nod(fs, nod2)->i_block)[0] = minor; -- ((uint8*)get_nod(fs, nod2)->i_block)[1] = major; -- add2dir(fs, nod, nod2, name); -- break; -- } -- free(name); -- } --} -- - // adds a tree of entries to the filesystem from current dir - void add2fs_from_dir(filesystem *fs, uint32 this_nod) - { -@@ -934,7 +1188,7 @@ - struct stat st; - uint8 *b; - if(!(dh = opendir("."))) -- pexit("."); -+ perror_msg_and_die("."); - while((dent = readdir(dh))) - { - if((!strcmp(dent->d_name, ".")) || (!strcmp(dent->d_name, ".."))) -@@ -948,31 +1202,27 @@ - get_nod(fs, nod)->i_mode = (((st.st_mode & S_IFMT) == S_IFCHR) ? FM_IFCHR : FM_IFBLK) | get_mode(&st); - ((uint8*)get_nod(fs, nod)->i_block)[0] = (st.st_rdev & 0xff); - ((uint8*)get_nod(fs, nod)->i_block)[1] = (st.st_rdev >> 8); -- add2dir(fs, this_nod, nod, dent->d_name); -+ add2dir(fs, this_nod, nod, dent->d_name, st.st_mode, st.st_uid, st.st_gid, st.st_ctime); - break; - case S_IFLNK: -- if(!(b = (uint8*)malloc(rndup(st.st_size, BLOCKSIZE)))) -- errexit("out of memory"); -- if(readlink(dent->d_name, (char*)b, st.st_size) < 0) -- pexit(dent->d_name); -- mklink_fs(fs, this_nod, dent->d_name, st.st_size, b); -+ b = xreadlink(dent->d_name); -+ mklink_fs(fs, this_nod, dent->d_name, st.st_size, b, st.st_uid, st.st_gid, st.st_ctime); - free(b); - break; - case S_IFREG: -- if(!(fh = fopen(dent->d_name, "r"))) -- pexit(dent->d_name); -- mkfile_fs(fs, this_nod, dent->d_name, get_mode(&st), st.st_size, fh); -+ fh = xfopen(dent->d_name, "r"); -+ mkfile_fs(fs, this_nod, dent->d_name, st.st_mode, st.st_size, fh, st.st_uid, st.st_gid, st.st_ctime); - fclose(fh); - break; - case S_IFDIR: -- nod = mkdir_fs(fs, this_nod, dent->d_name, get_mode(&st)); -+ nod = mkdir_fs(fs, this_nod, dent->d_name, st.st_mode, st.st_uid, st.st_gid, st.st_ctime); - if(chdir(dent->d_name) < 0) -- pexit(dent->d_name); -+ perror_msg_and_die(dent->d_name); - add2fs_from_dir(fs, nod); - chdir(".."); - break; - default: -- fprintf(stderr, "ignoring entry %s", dent->d_name); -+ error_msg("ignoring entry %s", dent->d_name); - } - } - closedir(dh); -@@ -981,9 +1231,11 @@ - // endianness swap of x-indirect blocks - void swap_goodblocks(filesystem *fs, inode *nod) - { -- int i; -+ int i,j,done=0; -+ uint32 *b,*b2; -+ - int nblk = nod->i_blocks / INOBLK; -- if((nod->i_size && !nblk) || (nod->i_mode & (FM_IFBLK | FM_IFCHR))) -+ if((nod->i_size && !nblk) || ((nod->i_mode & FM_IFBLK) == FM_IFBLK) || ((nod->i_mode & FM_IFCHR) == FM_IFCHR)) - for(i = 0; i <= EXT2_TIND_BLOCK; i++) - nod->i_block[i] = swab32(nod->i_block[i]); - if(nblk <= EXT2_IND_BLOCK) -@@ -991,20 +1243,55 @@ - swap_block(get_blk(fs, nod->i_block[EXT2_IND_BLOCK])); - if(nblk <= EXT2_IND_BLOCK + BLOCKSIZE/4) - return; -+ /* Currently this will fail b'cos the number of blocks as stored -+ in i_blocks also includes the indirection blocks (see -+ walk_bw). But this function assumes that i_blocks only -+ stores the count of data blocks ( Actually according to -+ "Understanding the Linux Kernel" (Table 17-3 p502 1st Ed) -+ i_blocks IS supposed to store the count of data blocks). so -+ with a file of size 268K nblk would be 269.The above check -+ will be false even though double indirection hasn't been -+ started.This is benign as 0 means block 0 which has been -+ zeroed out and therefore points back to itself from any offset -+ */ -+ assert(nod->i_block[EXT2_DIND_BLOCK] != 0); - for(i = 0; i < BLOCKSIZE/4; i++) -+ /* Should this be... -+ if(nblk > EXT2_IND_BLOCK + BLOCKSIZE/4 + (BLOCKSIZE/4)*i ) -+ */ - if(nblk > EXT2_IND_BLOCK + BLOCKSIZE/4 + i) - swap_block(get_blk(fs, ((uint32*)get_blk(fs, nod->i_block[EXT2_DIND_BLOCK]))[i])); - swap_block(get_blk(fs, nod->i_block[EXT2_DIND_BLOCK])); - if(nblk <= EXT2_IND_BLOCK + BLOCKSIZE/4 + BLOCKSIZE/4 * BLOCKSIZE/4) - return; -- errexit("too big file on the filesystem"); -+ /* Adding support for triple indirection */ -+ b = (uint32*)get_blk(fs,nod->i_block[EXT2_TIND_BLOCK]); -+ for(i=0;i < BLOCKSIZE/4 && !done ; i++) { -+ b2 = (uint32*)get_blk(fs,b[i]); -+ for(j=0; j<BLOCKSIZE/4;j++) { -+ if (nblk > ( EXT2_IND_BLOCK + BLOCKSIZE/4 + -+ (BLOCKSIZE/4)*(BLOCKSIZE/4) + -+ i*(BLOCKSIZE/4)*(BLOCKSIZE/4) + -+ j*(BLOCKSIZE/4)) ) -+ swap_block(get_blk(fs,b2[j])); -+ else { -+ done = 1; -+ break; -+ } -+ } -+ swap_block((uint8 *)b2); -+ } -+ swap_block((uint8 *)b); -+ return; - } - - void swap_badblocks(filesystem *fs, inode *nod) - { -- int i; -+ int i,j,done=0; -+ uint32 *b,*b2; -+ - int nblk = nod->i_blocks / INOBLK; -- if((nod->i_size && !nblk) || (nod->i_mode & (FM_IFBLK | FM_IFCHR))) -+ if((nod->i_size && !nblk) || ((nod->i_mode & FM_IFBLK) == FM_IFBLK) || ((nod->i_mode & FM_IFCHR) == FM_IFCHR)) - for(i = 0; i <= EXT2_TIND_BLOCK; i++) - nod->i_block[i] = swab32(nod->i_block[i]); - if(nblk <= EXT2_IND_BLOCK) -@@ -1012,13 +1299,34 @@ - swap_block(get_blk(fs, nod->i_block[EXT2_IND_BLOCK])); - if(nblk <= EXT2_IND_BLOCK + BLOCKSIZE/4) - return; -+ /* See comment in swap_goodblocks */ -+ assert(nod->i_block[EXT2_DIND_BLOCK] != 0); - swap_block(get_blk(fs, nod->i_block[EXT2_DIND_BLOCK])); - for(i = 0; i < BLOCKSIZE/4; i++) -+ /* See comment in swap_goodblocks */ - if(nblk > EXT2_IND_BLOCK + BLOCKSIZE/4 + i) - swap_block(get_blk(fs, ((uint32*)get_blk(fs, nod->i_block[EXT2_DIND_BLOCK]))[i])); - if(nblk <= EXT2_IND_BLOCK + BLOCKSIZE/4 + BLOCKSIZE/4 * BLOCKSIZE/4) - return; -- errexit("too big file on the filesystem"); -+ /* Adding support for triple indirection */ -+ b = (uint32*)get_blk(fs,nod->i_block[EXT2_TIND_BLOCK]); -+ swap_block((uint8 *)b); -+ for(i=0;i < BLOCKSIZE/4 && !done ; i++) { -+ b2 = (uint32*)get_blk(fs,b[i]); -+ swap_block((uint8 *)b2); -+ for(j=0; j<BLOCKSIZE/4;j++) { -+ if (nblk > ( EXT2_IND_BLOCK + BLOCKSIZE/4 + -+ (BLOCKSIZE/4)*(BLOCKSIZE/4) + -+ i*(BLOCKSIZE/4)*(BLOCKSIZE/4) + -+ j*(BLOCKSIZE/4)) ) -+ swap_block(get_blk(fs,b2[j])); -+ else { -+ done = 1; -+ break; -+ } -+ } -+ } -+ return; - } - - // endianness swap of the whole filesystem -@@ -1045,7 +1353,8 @@ - swap_goodblocks(fs, nod); - swap_nod(nod); - } -- swap_gd(&fs->gd); -+ for(i=0;i<GRP_NBGROUPS(fs);i++) -+ swap_gd(&(fs->gd[i])); - swap_sb(&fs->sb); - } - -@@ -1053,7 +1362,8 @@ - { - int i; - swap_sb(&fs->sb); -- swap_gd(&fs->gd); -+ for(i=0;i<GRP_NBGROUPS(fs);i++) -+ swap_gd(&(fs->gd[i])); - for(i = 1; i < fs->sb.s_inodes_count; i++) - { - inode *nod = get_nod(fs, i); -@@ -1084,53 +1394,118 @@ - directory *d; - uint8 * b; - uint32 nod; -+ uint32 nbgroups,nbinodes_per_group,overhead_per_group,free_blocks, -+ free_blocks_per_group,nbblocks_per_group; -+ uint32 gd,itbl,ibmpos,bbmpos,itblpos; -+ int j; -+ uint8 *bbm,*ibm; -+ inode *itab0; - - if(nbblocks < 16) // totally arbitrary -- errexit("too small filesystem"); -- if(nbblocks >BLOCKS_PER_GROUP) // I build only one group -- errexit("too big filesystem"); -+ error_msg_and_die("too small filesystem"); -+ -+ /* nbblocks is the total number of blocks in the system. First -+ * calculate how much overhead blocks - inode table blocks,bitmap -+ * blocks,group descriptor blocks etc. - are needed assuming each -+ * group has BLOCKS_PER_GROUP blocks.Then recalculate nbblocks with -+ * this figure. Each group has the same number of blocks. So the fs -+ * has a size atleast the given value but usually rounded off to a i -+ * higher number. -+ */ -+ nbgroups = rndup(nbblocks,BLOCKS_PER_GROUP)/ BLOCKS_PER_GROUP; -+ nbinodes_per_group = nbinodes/nbgroups +1; -+ nbinodes_per_group = rndup(nbinodes_per_group, BLOCKSIZE/sizeof(inode)); -+ if (nbinodes_per_group < 16) -+ nbinodes_per_group = 16; //minimum number b'cos the first 10 are reserved -+ overhead_per_group = 3 /*super block,ibm,bbm*/ -+ + /* No. of blocks that the inodes occupy */ -+ nbinodes_per_group *sizeof(inode)/BLOCKSIZE -+ + /* No. of blocks that group descriptors occupy */ -+ rndup(nbgroups*sizeof(groupdescriptor),BLOCKSIZE)/BLOCKSIZE; -+ free_blocks = nbblocks - overhead_per_group * nbgroups - 1 /*boot block */; -+ free_blocks_per_group = free_blocks/nbgroups; -+ if (free_blocks > free_blocks_per_group * nbgroups) -+ free_blocks_per_group++; -+ nbblocks_per_group = free_blocks_per_group + overhead_per_group; -+ /* e2fsck complains if nbblocks_per_group is not a multiple of 8 */ -+ nbblocks_per_group = rndup(nbblocks_per_group,8); -+ free_blocks_per_group = nbblocks_per_group - overhead_per_group; -+ if (nbblocks_per_group > BLOCKS_PER_GROUP) { -+ /* Can this happen ? */ -+ nbblocks_per_group = BLOCKS_PER_GROUP; -+ free_blocks_per_group = nbblocks_per_group - overhead_per_group; -+ } -+ nbblocks = nbblocks_per_group * nbgroups + 1; -+ -+ - if(!(fs = (filesystem*)calloc(nbblocks, BLOCKSIZE))) -- errexit("not enough memory for filesystem"); -+ error_msg_and_die("not enough memory for filesystem"); - - // create the superblock for an empty filesystem -- fs->sb.s_inodes_count = rndup(nbinodes, BLOCKSIZE/sizeof(inode)); -+ fs->sb.s_inodes_count = nbinodes_per_group * nbgroups; - fs->sb.s_blocks_count = nbblocks; - fs->sb.s_r_blocks_count = nbresrvd; -- fs->sb.s_free_blocks_count = nbblocks; -+ fs->sb.s_free_blocks_count = free_blocks_per_group*nbgroups; - fs->sb.s_free_inodes_count = fs->sb.s_inodes_count - EXT2_FIRST_INO + 1; - fs->sb.s_first_data_block = (BLOCKSIZE == 1024); - fs->sb.s_log_block_size = BLOCKSIZE >> 11; - fs->sb.s_log_frag_size = BLOCKSIZE >> 11; -- fs->sb.s_blocks_per_group = BLOCKS_PER_GROUP; -- fs->sb.s_frags_per_group = BLOCKS_PER_GROUP; -- fs->sb.s_inodes_per_group = fs->sb.s_inodes_count; -+ fs->sb.s_blocks_per_group = nbblocks_per_group; -+ fs->sb.s_frags_per_group = nbblocks_per_group; -+ fs->sb.s_inodes_per_group = nbinodes_per_group; - fs->sb.s_magic = EXT2_MAGIC_NUMBER; - - // set up groupdescriptors -- fs->sb.s_free_blocks_count -= 5 + fs->sb.s_inodes_count * sizeof(inode) / BLOCKSIZE; -- fs->gd.bg_free_blocks_count = fs->sb.s_free_blocks_count; -- fs->gd.bg_free_inodes_count = fs->sb.s_free_inodes_count; -- fs->gd.bg_used_dirs_count = 1; -- fs->gd.bg_block_bitmap = 3; -- fs->gd.bg_inode_bitmap = 4; -- fs->gd.bg_inode_table = 5; -- -- // mark non-filesystem blocks and inodes as allocated -- for(i = fs->sb.s_blocks_count; i <= BLOCKSIZE * 8; i++) -- allocate(fs->bbm, i); -- for(i = fs->sb.s_inodes_count + 1; i <= BLOCKSIZE * 8; i++) -- allocate(fs->ibm, i); -- -- // mark system blocsk and inodes as allocated -- for(i = 1; i <= 4 + fs->sb.s_inodes_count * sizeof(inode) / BLOCKSIZE; i++) -- allocate(fs->bbm, i); -- for(i = 1; i < EXT2_FIRST_INO; i++) -- allocate(fs->ibm, i); -- -- // make root inode and directory -- fs->itab[EXT2_ROOT_INO-1].i_mode = FM_IFDIR | FM_IRWXU | FM_IRWXG | FM_IRWXO; -- fs->itab[EXT2_ROOT_INO-1].i_size = BLOCKSIZE; -- fs->itab[EXT2_ROOT_INO-1].i_links_count = 2; -+ gd = rndup(nbgroups*sizeof(groupdescriptor),BLOCKSIZE)/BLOCKSIZE; -+ itbl = nbinodes_per_group*sizeof(inode)/BLOCKSIZE; -+ for(i = 0,bbmpos=2+gd,ibmpos=3+gd,itblpos =4+gd; -+ i<nbgroups; -+ i++, bbmpos += nbblocks_per_group,ibmpos += nbblocks_per_group, -+ itblpos += nbblocks_per_group) { -+ -+ fs->gd[i].bg_free_blocks_count = free_blocks_per_group; -+ fs->gd[i].bg_free_inodes_count = nbinodes_per_group; -+ fs->gd[i].bg_used_dirs_count = 0; -+ fs->gd[i].bg_block_bitmap = bbmpos; -+ fs->gd[i].bg_inode_bitmap = ibmpos; -+ fs->gd[i].bg_inode_table = itblpos; -+ } -+ -+ /* Mark non-filesystem blocks and inodes as allocated */ -+ /* Mark system blocks and inodes as allocated */ -+ for(i = 0; i<nbgroups;i++) { -+ -+ /* Block bitmap */ -+ bbm = get_blk(fs,fs->gd[i].bg_block_bitmap); -+ //non-filesystem blocks. -+ for(j=fs->sb.s_blocks_per_group + 1; j <= BLOCKSIZE * 8; j++) -+ allocate(bbm, j); -+ //system blocks -+ for(j = 1; j <= 3+gd+itbl; j++) -+ allocate(bbm, j); -+ -+ /* Inode bitmap */ -+ ibm = get_blk(fs,fs->gd[i].bg_inode_bitmap); -+ //non-filesystem inodes -+ for(j = fs->sb.s_inodes_per_group+1; j <= BLOCKSIZE * 8; j++) -+ allocate(ibm, j); -+ } -+ -+ /* We have groups now. Add the root filesystem in group 0 */ -+ /* Also allocate the system inodes in group 0 and update */ -+ /* directory count and inode count for group 0 */ -+ -+ ibm = get_blk(fs,fs->gd[0].bg_inode_bitmap); -+ for(j = 1; j < EXT2_FIRST_INO; j++) { -+ allocate(ibm, j); -+ fs->gd[0].bg_free_inodes_count--; -+ } -+ fs->gd[0].bg_used_dirs_count = 1; -+ itab0 = (inode *)get_blk(fs,fs->gd[0].bg_inode_table); -+ itab0[EXT2_ROOT_INO-1].i_mode = FM_IFDIR | FM_IRWXU | FM_IRWXG | FM_IRWXO; -+ itab0[EXT2_ROOT_INO-1].i_size = BLOCKSIZE; -+ itab0[EXT2_ROOT_INO-1].i_links_count = 2; -+ - b = get_workblk(); - d = (directory*)b; - d->d_inode = EXT2_ROOT_INO; -@@ -1147,9 +1522,14 @@ - // make lost+found directory and reserve blocks - if(fs->sb.s_r_blocks_count) - { -- nod = mkdir_fs(fs, EXT2_ROOT_INO, "lost+found", FM_IRWXU | FM_IRWXG | FM_IRWXO); -+ nod = mkdir_fs(fs, EXT2_ROOT_INO, "lost+found", S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH, 0, 0, time(NULL)); - memset(b, 0, BLOCKSIZE); - ((directory*)b)->d_rec_len = BLOCKSIZE; -+ /* We run into problems with e2fsck if directory lost+found grows -+ * bigger than this. Need to find out why this happens - sundar -+ */ -+ if (fs->sb.s_r_blocks_count > 2049 ) -+ fs->sb.s_r_blocks_count=2049; - for(i = 1; i < fs->sb.s_r_blocks_count; i++) - extend_blk(fs, nod, b, 1); - get_nod(fs, nod)->i_size = fs->sb.s_r_blocks_count * BLOCKSIZE; -@@ -1170,24 +1550,24 @@ - // loads a filesystem from disk - filesystem * load_fs(FILE * fh, int swapit) - { -- size_t fssize; -+ size_t fssize = 0; - filesystem *fs; - if((fseek(fh, 0, SEEK_END) < 0) || ((fssize = ftell(fh)) < 0)) -- pexit("input filesystem image"); -+ perror_msg_and_die("input filesystem image"); - rewind(fh); - fssize = (fssize + BLOCKSIZE - 1) / BLOCKSIZE; - if(fssize < 16) // totally arbitrary -- errexit("too small filesystem"); -- if(fssize > BLOCKS_PER_GROUP) // I build only one group -- errexit("too big filesystem"); -+ error_msg_and_die("too small filesystem"); -+/* if(fssize > BLOCKS_PER_GROUP) // I build only one group -+ error_msg_and_die("too big filesystem"); */ - if(!(fs = (filesystem*)calloc(fssize, BLOCKSIZE))) -- errexit("not enough memory for filesystem"); -+ error_msg_and_die("not enough memory for filesystem"); - if(fread(fs, BLOCKSIZE, fssize, fh) != fssize) -- pexit("input filesystem image"); -+ perror_msg_and_die("input filesystem image"); - if(swapit) - swap_badfs(fs); - if(fs->sb.s_rev_level || (fs->sb.s_magic != EXT2_MAGIC_NUMBER)) -- errexit("not a suitable ext2 filesystem"); -+ error_msg_and_die("not a suitable ext2 filesystem"); - return fs; - } - -@@ -1230,9 +1610,9 @@ - while((bk = walk_bw(fs, nod, &bw, 0, 0)) != WALK_END) - { - if(fsize <= 0) -- errexit("wrong size while saving inode %d", nod); -+ error_msg_and_die("wrong size while saving inode %d", nod); - if(fwrite(get_blk(fs, bk), (fsize > BLOCKSIZE) ? BLOCKSIZE : fsize, 1, f) != 1) -- errexit("error while saving inode %d", nod); -+ error_msg_and_die("error while saving inode %d", nod); - fsize -= BLOCKSIZE; - } - } -@@ -1250,7 +1630,7 @@ - { - int i, j; - if(fsize <= 0) -- errexit("wrong size while saving inode %d", nod); -+ error_msg_and_die("wrong size while saving inode %d", nod); - b = get_blk(fs, bk); - for(i = 0; i < 64; i++) - { -@@ -1406,7 +1786,7 @@ - s = (nod >= EXT2_FIRST_INO) ? "normal" : "unknown reserved"; - } - printf("inode %d (%s, %d links): ", nod, s, get_nod(fs, nod)->i_links_count); -- if(!allocated(fs->ibm, nod)) -+ if(!allocated(GRP_GET_INODE_BITMAP(fs,nod), GRP_IBM_OFFSET(fs,nod))) - { - printf("unallocated\n"); - return; -@@ -1440,24 +1820,46 @@ - default: - list_blocks(fs, nod); - } -+ printf("Done with inode %d\n",nod); - } - - // describes various fields in a filesystem - void print_fs(filesystem *fs) - { -- int i; -- printf("%d blocks (%d free, %d reserved), first data block: %d\n", fs->sb.s_blocks_count, fs->sb.s_free_blocks_count, fs->sb.s_r_blocks_count, fs->sb.s_first_data_block); -- printf("%d inodes (%d free)\n", fs->sb.s_inodes_count, fs->sb.s_free_inodes_count); -- printf("block size = %d, frag size = %d\n", fs->sb.s_log_block_size ? (fs->sb.s_log_block_size << 11) : 1024, fs->sb.s_log_frag_size ? (fs->sb.s_log_frag_size << 11) : 1024); -- printf("%d blocks per group, %d frags per group, %d inodes per group\n", fs->sb.s_blocks_per_group, fs->sb.s_frags_per_group, fs->sb.s_inodes_per_group); -- printf("block bitmap: block %d, inode bitmap: block %d, inode table: block %d\n", fs->gd.bg_block_bitmap, fs->gd.bg_inode_bitmap, fs->gd.bg_inode_table); -- printf("block bitmap allocation:\n"); -- print_bm(fs->bbm, fs->sb.s_blocks_count); -- printf("inode bitmap allocation:\n"); -- print_bm(fs->ibm, fs->sb.s_inodes_count); -- for(i=1; i<=fs->sb.s_inodes_count; i++) -- if(allocated(fs->ibm, i)) -- print_inode(fs, i); -+ int i,j; -+ uint8 *ibm; -+ -+ printf("%d blocks (%d free, %d reserved), first data block: %d\n", -+ fs->sb.s_blocks_count, fs->sb.s_free_blocks_count, -+ fs->sb.s_r_blocks_count, fs->sb.s_first_data_block); -+ printf("%d inodes (%d free)\n", fs->sb.s_inodes_count, -+ fs->sb.s_free_inodes_count); -+ printf("block size = %d, frag size = %d\n", -+ fs->sb.s_log_block_size ? (fs->sb.s_log_block_size << 11) : 1024, -+ fs->sb.s_log_frag_size ? (fs->sb.s_log_frag_size << 11) : 1024); -+ printf("Number of groups: %d\n",GRP_NBGROUPS(fs)); -+ printf("%d blocks per group,%d frags per group,%d inodes per group\n", -+ fs->sb.s_blocks_per_group, fs->sb.s_frags_per_group, -+ fs->sb.s_inodes_per_group); -+ printf("Size of inode table: %d blocks\n", -+ fs->sb.s_inodes_per_group * sizeof(inode)/BLOCKSIZE); -+ for (i = 0; i < GRP_NBGROUPS(fs); i++) { -+ printf("Group No: %d\n", i); -+ printf("block bitmap: block %d,inode bitmap: block %d, inode table: block %d\n", -+ fs->gd[i].bg_block_bitmap, fs->gd[i].bg_inode_bitmap, -+ fs->gd[i].bg_inode_table); -+ printf("Free blocks count: %d\n",fs->gd[i].bg_free_blocks_count); -+ printf("Free inodes count: %d\n",fs->gd[i].bg_free_inodes_count); -+ printf("Used dir count: %d\n",fs->gd[i].bg_used_dirs_count); -+ printf("block bitmap allocation:\n"); -+ print_bm(GRP_GET_GROUP_BBM(fs, i),fs->sb.s_blocks_per_group); -+ printf("inode bitmap allocation:\n"); -+ ibm = GRP_GET_GROUP_IBM(fs, i); -+ print_bm(ibm, fs->sb.s_inodes_per_group); -+ for (j = 1; j <= fs->sb.s_inodes_per_group; j++) -+ if (allocated(ibm, j)) -+ print_inode(fs, i*fs->sb.s_inodes_per_group + j); -+ } - } - - void dump_fs(filesystem *fs, FILE * fh, int swapit) -@@ -1467,31 +1869,234 @@ - if(swapit) - swap_goodfs(fs); - if(fwrite(fs, BLOCKSIZE, nbblocks, fh) < nbblocks) -- pexit("output filesystem image"); -+ perror_msg_and_die("output filesystem image"); - if(swapit) - swap_badfs(fs); - } - -+/* device table entries take the form of: -+ <path> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> -+ /dev/mem c 640 0 0 1 1 0 0 - -+ -+ type can be one of: -+ f A regular file -+ d Directory -+ c Character special device file -+ b Block special device file -+ p Fifo (named pipe) -+ -+ I don't bother with symlinks (permissions are irrelevant), hard -+ links (special cases of regular files), or sockets (why bother). -+ -+ Regular files must exist in the target root directory. If a char, -+ block, fifo, or directory does not exist, it will be created. -+*/ -+static int interpret_table_entry(filesystem *fs, char *line) -+{ -+ char type, *name = NULL, *tmp, *dir, *bname; -+ unsigned long mode = 0755, uid = 0, gid = 0, major = 0, minor = 0; -+ unsigned long start = 0, increment = 1, count = 0; -+ inode *entry; -+ uint32 nod, parent; -+ -+ if (sscanf (line, "%" SCANF_PREFIX "s %c %lo %lu %lu %lu %lu %lu %lu %lu", -+ SCANF_STRING(name), &type, &mode, &uid, &gid, &major, &minor, -+ &start, &increment, &count) < 0) -+ { -+ return 1; -+ } -+ -+ if (!strcmp(name, "/")) { -+ error_msg_and_die("Device table entries require absolute paths"); -+ } -+ -+ /* Check if this file already exists... */ -+ switch (type) { -+ case 'd': -+ mode |= S_IFDIR; -+ break; -+ case 'f': -+ mode |= S_IFREG; -+ break; -+ case 'p': -+ mode |= S_IFIFO; -+ break; -+ case 'c': -+ mode |= S_IFCHR; -+ break; -+ case 'b': -+ mode |= S_IFBLK; -+ break; -+ default: -+ error_msg_and_die("Unsupported file type"); -+ } -+ nod = 0; -+ if (count==0) -+ nod = find_path(fs, EXT2_ROOT_INO, name); -+ if (nod) { -+ /* Ok, we just need to fixup an existing entry -+ * and we will be all done... */ -+ entry = get_nod(fs, nod); -+ entry->i_uid = uid; -+ entry->i_gid = gid; -+ entry->i_mode = mode; -+ if (major) { -+ dev_t rdev = makedev(major, minor); -+ ((uint8*)entry->i_block)[0] = (rdev & 0xff); -+ ((uint8*)entry->i_block)[1] = (rdev >> 8); -+ } -+ } else { -+ /* Try and find our parent now */ -+ tmp = xstrdup(name); -+ dir = dirname(tmp); -+ parent = find_path(fs, EXT2_ROOT_INO, dir); -+ free(tmp); -+ if (!parent) { -+ error_msg ("skipping device_table entry '%s': no parent directory!", name); -+ free(name); -+ return 1; -+ } -+ -+ tmp = xstrdup(name); -+ bname = xstrdup(basename(tmp)); -+ free(tmp); -+ switch (type) { -+ case 'd': -+ mkdir_fs(fs, parent, bname, mode|FM_IFDIR, uid, gid, time(NULL)); -+ break; -+ case 'f': -+#if 0 -+ { -+ // This is a bit odd.. This will try to include -+ // the file of the same name from your _build_ -+ // system... Probably a very bad idea.... -+ struct stat st; -+ FILE *fh = xfopen(name, "r"); -+ lstat(name, &st); -+ mkfile_fs(fs, parent, bname, mode|FM_IFREG, st.st_size, fh, uid, gid, st.st_ctime); -+ fclose(fh); -+ } -+#else -+ error_msg("ignoring entry %s", name); -+#endif -+ break; -+ case 'p': -+ error_msg("ignoring entry %s", name); -+ break; -+ case 'c': -+ case 'b': -+ if (count > 0) { -+ dev_t rdev; -+ char *dname; -+ unsigned long i; -+ for (i = start; i < count; i++) { -+ asprintf(&dname, "%s%lu", bname, i); -+ nod = find_path(fs, EXT2_ROOT_INO, dname); -+ if (nod) { -+ /* We just need to fixup an existing entry */ -+ entry = get_nod(fs, nod); -+ } else { -+ nod = alloc_nod(fs); -+ add2dir(fs, parent, nod, dname, mode, uid, gid, time(NULL)); -+ entry = get_nod(fs, nod); -+ } -+ entry->i_uid = uid; -+ entry->i_gid = gid; -+ entry->i_mode = mode; -+ rdev = makedev(major, minor + (i * increment - start)); -+ ((uint8*)entry->i_block)[0] = (rdev & 0xff); -+ ((uint8*)entry->i_block)[1] = (rdev >> 8); -+ free(dname); -+ } -+ } else { -+ dev_t rdev = makedev(major, minor); -+ nod = alloc_nod(fs); -+ add2dir(fs, parent, nod, bname, mode, uid, gid, time(NULL)); -+ entry = get_nod(fs, nod); -+ ((uint8*)entry->i_block)[0] = (rdev & 0xff); -+ ((uint8*)entry->i_block)[1] = (rdev >> 8); -+ } -+ break; -+ default: -+ error_msg_and_die("Unsupported file type"); -+ } -+ free(bname); -+ } -+ free(name); -+ return 0; -+} -+ -+static int parse_device_table(filesystem *root, FILE * file) -+{ -+ char *line; -+ int status = 0; -+ size_t length = 0; -+ -+ /* Turn off squash, since we must ensure that values -+ * entered via the device table are not squashed */ -+ squash_uids = 0; -+ squash_perms = 0; -+ -+ /* Looks ok so far. The general plan now is to read in one -+ * line at a time, check for leading comment delimiters ('#'), -+ * then try and parse the line as a device table. If we fail -+ * to parse things, try and help the poor fool to fix their -+ * device table with a useful error msg... */ -+ line = NULL; -+ while (getline(&line, &length, file) != -1) { -+ /* First trim off any whitespace */ -+ int len = strlen(line); -+ -+ /* trim trailing whitespace */ -+ while (len > 0 && isspace(line[len - 1])) -+ line[--len] = '\0'; -+ /* trim leading whitespace */ -+ memmove(line, &line[strspn(line, " \n\r\t\v")], len); -+ -+ /* How long are we after trimming? */ -+ len = strlen(line); -+ -+ /* If this is NOT a comment line, try to interpret it */ -+ if (len && *line != '#') { -+ if (interpret_table_entry(root, line)) -+ status = 1; -+ } -+ -+ free(line); -+ line = NULL; -+ } -+ fclose(file); -+ -+ return status; -+} -+ -+/* -+Local Variables: -+c-file-style: "linux" -+c-basic-offset: 4 -+tab-width: 4 -+End: -+*/ -+ - void showhelp(void) - { - fprintf(stderr, "Usage: %s [options] image\n" - "Create an ext2 filesystem image from directories/files\n\n" -- " -x image Use this image as a starting point\n" -- " -d directory Add this directory as source\n" -- " -f file Add nodes (e.g. devices) from this spec file\n" -- " -b blocks Size in blocks\n" -- " -i inodes Number of inodes\n" -- " -r reserved Number of reserved blocks\n" -- " -g path Generate a block map file for this path\n" -- " -e value Fill unallocated blocks with value\n" -- " -z Make files with holes\n" -- " -v Print resulting filesystem structure\n" -- " -h Show this help\n\n" -- "Example of spec file:\n" -- "drwx /dev\n" -- "crw- 10,190 /dev/lcd\n" -- "brw- 1,0 /dev/ram0\n\n" -- "Report bugs to xavier.bestel@free.fr\n", argv0); -+ " -x image Use this image as a starting point\n" -+ " -d directory Add this directory as source\n" -+ " -b blocks Size in blocks\n" -+ " -i inodes Number of inodes\n" -+ " -r reserved Number of reserved blocks\n" -+ " -g path Generate a block map file for this path\n" -+ " -e value Fill unallocated blocks with value\n" -+ " -z Make files with holes\n" -+ " -D,-f Use the named FILE as a device table file\n" -+ " -q Squash permissions and owners making all files be owned by root\n" -+ " -U Squash owners making all files be owned by root\n" -+ " -P Squash permissions on all files\n" -+ " -v Print resulting filesystem structure\n" -+ " -h Show this help\n\n" -+ "Report bugs to xavier.bestel@free.fr\n", app_name); - } - - #define MAX_DOPT 128 -@@ -1521,21 +2126,17 @@ - filesystem *fs; - int i; - int c; -+ struct stat sb; -+ FILE *devtable = NULL; - -- argv0 = argv[0]; -- if(argc <= 1) -- { -- showhelp(); -- exit(1); -- } -- while((c = getopt(argc, argv, "x:f:d:b:i:r:g:e:zvh")) != EOF) -+ app_name = argv[0]; -+ while((c = getopt(argc, argv, "x:d:b:i:r:g:e:zvhD:f:qUP")) != EOF) - switch(c) - { - case 'x': - fsin = optarg; - break; - case 'd': -- case 'f': - dopt[didx++] = optarg; - break; - case 'b': -@@ -1556,6 +2157,24 @@ - case 'z': - holes = 1; - break; -+ case 'f': -+ case 'D': -+ devtable = xfopen(optarg, "r"); -+ if (fstat(fileno(devtable), &sb) < 0) -+ perror_msg_and_die(optarg); -+ if (sb.st_size < 10) -+ error_msg_and_die("%s: not a proper device table file", optarg); -+ break; -+ case 'q': -+ squash_uids = 1; -+ squash_perms = 1; -+ break; -+ case 'U': -+ squash_uids = 1; -+ break; -+ case 'P': -+ squash_perms = 1; -+ break; - case 'v': - verbose = 1; - break; -@@ -1566,16 +2185,14 @@ - exit(1); - } - if(optind < (argc - 1)) -- errexit("too many arguments"); -+ error_msg_and_die("too many arguments"); - if(optind == (argc - 1)) - fsout = argv[optind]; - if(fsin) - { - if(strcmp(fsin, "-")) - { -- FILE * fh = fopen(fsin, "r"); -- if(!fh) -- pexit(fsin); -+ FILE * fh = xfopen(fsin, "r"); - fs = load_fs(fh, bigendian); - fclose(fh); - } -@@ -1585,7 +2202,7 @@ - else - { - if(nbblocks == -1) -- errexit("filesystem size unspecified"); -+ error_msg_and_die("filesystem size unspecified"); - if(nbinodes == -1) - nbinodes = nbblocks * BLOCKSIZE / rndup(BYTES_PER_INODE, BLOCKSIZE); - if(nbresrvd == -1) -@@ -1595,35 +2212,30 @@ - for(i = 0; i < didx; i++) - { - struct stat st; -- FILE *fh; - char *pdir; - stat(dopt[i], &st); - switch(st.st_mode & S_IFMT) - { -- case S_IFREG: -- if(!(fh = fopen(dopt[i], "r"))) -- pexit(dopt[i]); -- add2fs_from_file(fs, EXT2_ROOT_INO, fh); -- fclose(fh); -- break; - case S_IFDIR: - if(!(pdir = getcwd(0, GETCWD_SIZE))) -- pexit(dopt[i]); -+ perror_msg_and_die(dopt[i]); - if(chdir(dopt[i]) < 0) -- pexit(dopt[i]); -+ perror_msg_and_die(dopt[i]); - add2fs_from_dir(fs, EXT2_ROOT_INO); - if(chdir(pdir) < 0) -- pexit(pdir); -+ perror_msg_and_die(pdir); - free(pdir); - break; - default: -- errexit("%s in neither a file nor a directory", dopt[i]); -+ error_msg_and_die("%s is neither a file nor a directory", dopt[i]); - } - } - if(emptyval) - for(i = 1; i < fs->sb.s_blocks_count; i++) -- if(!allocated(fs->bbm, i)) -+ if(!allocated(GRP_GET_BLOCK_BITMAP(fs,i),GRP_BBM_OFFSET(fs,i))) - memset(get_blk(fs, i), emptyval, BLOCKSIZE); -+ if(devtable) -+ parse_device_table(fs, devtable); - if(verbose) - print_fs(fs); - for(i = 0; i < gidx; i++) -@@ -1633,21 +2245,18 @@ - char *p; - FILE *fh; - if(!(nod = find_path(fs, EXT2_ROOT_INO, gopt[i]))) -- errexit("path %s not found in filesystem", gopt[i]); -+ error_msg_and_die("path %s not found in filesystem", gopt[i]); - while((p = strchr(gopt[i], '/'))) - *p = '_'; - snprintf(fname, MAX_FILENAME-1, "%s.blk", gopt[i]); -- if(!(fh = fopen(fname, "w"))) -- pexit(fname); -+ fh = xfopen(fname, "w"); - fprintf(fh, "%d:", get_nod(fs, nod)->i_size); - flist_blocks(fs, nod, fh); - fclose(fh); - } - if(strcmp(fsout, "-")) - { -- FILE * fh = fopen(fsout, "w"); -- if(!fh) -- pexit(fsout); -+ FILE * fh = xfopen(fsout, "w"); - dump_fs(fs, fh, bigendian); - fclose(fh); - } -diff -urN genext2fs-1.3.orig/test-mount.sh genext2fs-1.3/test-mount.sh ---- genext2fs-1.3.orig/test-mount.sh 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/test-mount.sh 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,96 @@ -+#!/bin/sh -+set -e -+ -+cleanup () { -+ set +e -+ umount mnt 2>/dev/null -+ rm -rf mnt ext2.img lsout fout test 2>/dev/null -+} -+ -+# dtest - Uses the -d directory option of genext2fs -+# Creates an image with a file of given size and verifies it -+# Usage: dtest file-size number-of-blocks -+dtest () { -+ size=$1; blocks=$2;fname=$size -+ echo "Testing with file of size $size " -+ mkdir -p test -+ cd test -+ dd if=/dev/zero of=file.$1 bs=1 count=$size -+ cd .. -+ ./genext2fs -b $blocks -d test ext2.img -+ md5=`md5sum ext2.img | cut -f1 -d " "` -+ if ! /sbin/e2fsck -fn ext2.img ; then -+ echo "fsck failed" -+ echo FAILED -+ cleanup -+ exit 1 -+ fi -+ mkdir -p mnt -+ if ! mount -t ext2 -o loop ext2.img mnt; then -+ echo FAILED -+ cleanup -+ exit 1 -+ fi -+ if (! [ -f mnt/file.$fname ]) || \ -+ [ $fname != "`ls -al mnt | grep file.$fname |awk '{print $5}'`" ] ; then -+ echo FAILED -+ cleanup -+ exit 1 -+ fi -+ echo PASSED "(md5 checksum for the image: $md5)" -+ cleanup -+} -+ -+# ftest - Uses the -f spec-file option of genext2fs -+# Creates an image with the devices mentioned in the given spec -+# file and verifies it -+# Usage: ftest spec-file number-of-blocks -+ftest () { -+ fname=$1; blocks=$2; -+ echo "Testing with devices file $fname" -+ ./genext2fs -b $blocks -f $fname ext2.img -+ md5=`md5sum ext2.img | cut -f 1 -d " "` -+ if ! /sbin/e2fsck -fn ext2.img ; then -+ echo "fsck failed" -+ echo FAILED -+ cleanup -+ exit 1 -+ fi -+ mkdir -p mnt -+ if ! mount -t ext2 -o loop ext2.img mnt; then -+ echo FAILED -+ cleanup -+ exit 1 -+ fi -+ if ! [ -d mnt/dev ] ; then -+ echo FAILED -+ cleanup -+ exit 1 -+ fi -+ cat dev.txt | grep ^[bc] | \ -+ awk '{print $1substr($1,2)substr($1,2),$2,$3}'| \ -+ sort -d -k3.6 > fout -+ ls -al mnt/dev | grep ^[bc] | \ -+ awk '{ print $1,$5$6,"/dev/"$10}' | \ -+ sort -d -k3.6 > lsout -+ if ! diff fout lsout ; then -+ echo FAILED -+ cleanup -+ exit 1 -+ fi -+ echo PASSED "(md5 checksum for the image: $md5)" -+ cleanup -+} -+ -+dtest 0 4096 -+dtest 0 8193 -+dtest 0 8194 -+dtest 1 4096 -+dtest 12288 4096 -+dtest 274432 4096 -+dtest 8388608 9000 -+dtest 16777216 20000 -+ -+ftest dev.txt 4096 -+ -+exit 0 -diff -urN genext2fs-1.3.orig/test.sh genext2fs-1.3/test.sh ---- genext2fs-1.3.orig/test.sh 1969-12-31 17:00:00.000000000 -0700 -+++ genext2fs-1.3/test.sh 2003-04-21 01:41:42.000000000 -0600 -@@ -0,0 +1,53 @@ -+#!/bin/sh -+set -e -+ -+# dtest - Uses the -d directory option of genext2fs -+# Creates an image with a file of given size and verifies it -+# Usage: dtest file-size number-of-blocks correct-checksum -+dtest () { -+ size=$1; blocks=$2; checksum=$3 -+ echo "Testing with file of size $size " -+ mkdir -p test -+ cd test -+ dd if=/dev/zero of=file.$1 bs=1 count=$size -+ cd .. -+ ./genext2fs -b $blocks -d test ext2.img -+ md5=`md5sum ext2.img | cut -d" " -f1` -+ rm -rf ext2.img test -+ if [ $md5 == $checksum ] ; then -+ echo PASSED -+ else -+ echo FAILED -+ exit 1 -+ fi -+} -+ -+# ftest - Uses the -f spec-file option of genext2fs -+# Creates an image with the devices mentioned in the given spec -+# file and verifies it -+# Usage: ftest spec-file number-of-blocks correct-checksum -+ftest () { -+ fname=$1; blocks=$2; checksum=$3 -+ echo "Testing with devices file $fname" -+ ./genext2fs -b $blocks -f $fname ext2.img -+ md5=`md5sum ext2.img | cut -d" " -f1` -+ rm -rf ext2.img -+ if [ $md5 == $checksum ] ; then -+ echo PASSED -+ else -+ echo FAILED -+ exit 1 -+ fi -+} -+ -+dtest 0 4096 491a43ab93c2e5c186c9f1f72d88e5c5 -+dtest 0 8193 6289224f0b7f151994479ba156c43505 -+dtest 0 8194 3272c43c25e8d0c3768935861a643a65 -+dtest 1 4096 5ee24486d33af88c63080b09d8cadfb5 -+dtest 12288 4096 494498364defdc27b2770d1f9c1e3387 -+dtest 274432 4096 65c4bd8d30bf563fa5434119a12abff1 -+dtest 8388608 9000 9a49b0461ee236b7fd7c452fb6a1f2dc -+dtest 16777216 20000 91e16429c901b68d30f783263f0611b7 -+ -+ftest dev.txt 4096 921ee9343b0759e16ad8d979d7dd16ec -+exit 0 |