Jonas Meurer <jonas@...> writes: > You can find the relevant bug report at http://bugs.debian.org/432150 > > Now from what i read in your mails, it seems like you have some > experience with salvation/reconstruction of the luks header. > > could you elaborate on the methods you use, maybe in a way that > could be automated in a script? > > thanks in advance, > jonas > > Hi Jonas, as someone mentioned strace in your upper thread i tried a standard output myself. Maybe this gets a bit mor light in th dark: execve("/sbin/cryptsetup", ["/sbin/cryptsetup", "luksOpen", "/dev/mapper/vg-crypted_raid", "raid", "-d", "/mnt/key.md0.orig"], [/* 17 vars */]) = 0 uname({sys="Linux", node="server", ...}) = 0 brk(0) = 0x80a1000 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f08000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=21795, ...}) = 0 mmap2(NULL, 21795, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f02000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libpopt.so.0", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0\22\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=26444, ...}) = 0 mmap2(NULL, 29484, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7efa000 mmap2(0xb7f01000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6) = 0xb7f01000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libdevmapper.so.1.02", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0 (\0\000"..., 512) =512 fstat64(3, {st_mode=S_IFREG|0644, st_size=65332, ...}) = 0 mmap2(NULL, 68344, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7ee9000 mmap2(0xb7ef8000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe) = 0xb7ef8000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libuuid.so.1", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p\v\0\000"..., 512)=512 fstat64(3, {st_mode=S_IFREG|0644, st_size=9128, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7ee8000 mmap2(NULL, 12064, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7ee5000 mmap2(0xb7ee7000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0xb7ee7000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/tls/i686/cmov/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\240O\1"..., 512) =512 fstat64(3, {st_mode=S_IFREG|0644, st_size=1253680, ...}) = 0 mmap2(NULL, 1259676, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7db1000 mmap2(0xb7edb000, 28672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12a) = 0xb7edb000 mmap2(0xb7ee2000, 10396, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7ee2000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libselinux.so.1", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0P8\0\000"..., 512) =512 fstat64(3, {st_mode=S_IFREG|0644, st_size=79368, ...}) = 0 mmap2(NULL, 84884, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7d9c000 mmap2(0xb7daf000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12) = 0xb7daf000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/libsepol.so.1", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0200\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=219824, ...}) = 0 mmap2(NULL, 265152, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7d5b000 mmap2(0xb7d91000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x35) = 0xb7d91000 mmap2(0xb7d92000, 39872, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7d92000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/tls/i686/cmov/libdl.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\f\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=9592, ...}) = 0 mmap2(NULL, 12404, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7d57000 mmap2(0xb7d59000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0xb7d59000 close(3) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7d56000 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7d55000 mprotect(0xb7edb000, 20480, PROT_READ) = 0 set_thread_area({entry_number:-1 -> 6, base_addr:0xb7d556c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 munmap(0xb7f02000, 21795) = 0 access("/etc/selinux/", F_OK) = -1 ENOENT (No such file or directory) brk(0) = 0x80a1000 brk(0x80c2000) = 0x80c2000 open("/proc/mounts", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f07000 read(3, "rootfs / rootfs rw 0 0\nnone /sys"..., 1024) = 511 read(3, "", 1024) = 0 close(3) = 0 munmap(0xb7f07000, 4096) = 0 open("/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=1440080, ...}) = 0 mmap2(NULL, 1440080, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7bf5000 close(3) = 0 mlockall(MCL_CURRENT|MCL_FUTURE) = 0 open("/proc/devices", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f07000 read(3, "Character devices:\n 1 mem\n 2 p"..., 1024) = 427 close(3) = 0 munmap(0xb7f07000, 4096) = 0 open("/proc/misc", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f07000 read(3, "200 tun\n175 agpgart\n 62 device-m"..., 1024) = 68 close(3) = 0 munmap(0xb7f07000, 4096) = 0 stat64("/dev/mapper/control", {st_mode=S_IFCHR|0660, st_rdev=makedev(10, 62), ...}) = 0 open("/dev/mapper/control", O_RDWR|O_LARGEFILE) = 3 open("/proc/devices", O_RDONLY|O_LARGEFILE) = 4 fstat64(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f07000 read(4, "Character devices:\n 1 mem\n 2 p"..., 1024) = 427 read(4, "", 1024) = 0 close(4) = 0 munmap(0xb7f07000, 4096) = 0 ioctl(3, DM_VERSION, 0x80a1df8) = 0 ioctl(3, DM_TABLE_STATUS, 0x80a1df8) = -1 ENXIO (No such device or address) open("/dev/mapper/vg-crypted_raid", O_RDONLY|O_LARGEFILE) = 4 ioctl(4, BLKROGET, 0xbfa7f830) = 0 ioctl(4, BLKGETSIZE64, 0xbfa7f828) = 0 close(4) = 0 open("/mnt/key.md0.orig", O_RDONLY|O_LARGEFILE) = 4 ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfa7f498) = -1 ENOTTY (Inappropriate ioctl for device) stat64("/mnt/key.md0.orig", {st_mode=S_IFREG|0600, st_size=1024, ...}) = 0 <<<<<<<<<<<<<<......1kb my secret Key..........>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> close(4) = 0 ioctl(4,SNDCTL_TMR_TIMEBASE or TCGETS,0xbfa7f498) = -1 EBADF(Badfiledescriptor) open("/dev/mapper/vg-crypted_raid", O_RDONLY|O_SYNC|O_DIRECT|O_LARGEFILE) = 4 ioctl(4, BLKSSZGET, 0xbfa7f770) = 0 read(4, "LUKS\272\276\0\1aes\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512)=512 read(4, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\6"..., 512)= 512 close(4) = 0 getpid() = 6743 open("/dev/mapper/vg-crypted_raid", O_RDONLY|O_LARGEFILE) = 4 ioctl(4, BLKSSZGET, 0xbfa7f6a0) = 0 close(4) = 0 brk(0x80e6000) = 0x80e6000 ioctl(3, DM_DEV_CREATE, 0x80c1a90) = 0 brk(0x80e2000) = 0x80e2000 ioctl(3, DM_TABLE_LOAD, 0x80c1a90) = 0 ioctl(3, DM_DEV_SUSPEND, 0x80c1a90) = 0 close(3) = 0 stat64("/dev/mapper/temporary-cryptsetup-6743", 0xbfa7f5a0) = -1 ENOENT (Nosuch file or directory) umask(0) = 022 mknod("/dev/mapper/temporary-cryptsetup-6743", S_IFBLK|0660, makedev(254,13))=0 umask(022) = 0 chown32("/dev/mapper/temporary-cryptsetup-6743", 0, 6) = 0 open("/proc/filesystems", O_RDONLY|O_LARGEFILE) = 3 read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 4095) = 302 close(3) = 0 open("/dev/mapper/temporary-cryptsetup-6743", O_RDONLY|O_SYNC|O_DIRECT|O_LARGEFILE) = 3 ioctl(3, BLKSSZGET, 0xbfa7f670) = 0 read(3, "\236N\204b0\237D=]\324\263\2364\210>{\345M\2661\351\301"..., 512)=512 <<<<<<<<<<<.......... a bunch more HD Data (?) .......>>>>>>>>>>>>>>>>> read(3, "\0\346\342\370G\242\32dpL\220\337v\375?{)\361\222\363\333"...,512)=512 close(3) = 0 open("/proc/devices", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f07000 read(3, "Character devices:\n 1 mem\n 2 p"..., 1024) = 427 close(3) = 0 munmap(0xb7f07000, 4096) = 0 open("/proc/misc", O_RDONLY|O_LARGEFILE) = 3 fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f07000 read(3, "200 tun\n175 agpgart\n 62 device-m"..., 1024) = 68 close(3) = 0 munmap(0xb7f07000, 4096) = 0 stat64("/dev/mapper/control", {st_mode=S_IFCHR|0660, st_rdev=makedev(10, 62), ...}) = 0 open("/dev/mapper/control", O_RDWR|O_LARGEFILE) = 3 ioctl(3, DM_DEV_REMOVE, 0x80c1a90) = 0 close(3) = 0 stat64("/dev/mapper/temporary-cryptsetup-6743", {st_mode=S_IFBLK|0660, st_rdev=makedev(254, 13), ...}) = 0 unlink("/dev/mapper/temporary-cryptsetup-6743") = 0 brk(0x80c3000) = 0x80c3000 brk(0x80c2000) = 0x80c2000 open("/usr/share/locale/locale.alias", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=2582, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f07000 read(3, "# Locale name alias data base.\n#"..., 4096) = 2582 read(3, "", 4096) = 0 close(3) = 0 munmap(0xb7f07000, 4096) = 0 open("/usr/share/locale/de_DE/LC_MESSAGES/cryptsetup-luks.mo", O_RDONLY) = -1 ENOENT (No such file or directory) open("/usr/share/locale/de/LC_MESSAGES/cryptsetup-luks.mo", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=2796, ...}) = 0 mmap2(NULL, 2796, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f07000 close(3) = 0 open("/usr/lib/gconv/gconv-modules.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=21568, ...}) = 0 mmap2(NULL, 21568, PROT_READ, MAP_SHARED, 3, 0) = 0xb7bef000 close(3) = 0 open("/usr/lib/gconv/ISO8859-15.so", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\4\0"..., 512)=512 fstat64(3, {st_mode=S_IFREG|0644, st_size=9436, ...}) = 0 mmap2(NULL, 12324, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7beb000 mmap2(0xb7bed000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0xb7bed000 close(3) = 0 open("/usr/lib/gconv/ISO8859-1.so", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\4\0"..., 512)=512 fstat64(3, {st_mode=S_IFREG|0644, st_size=9436, ...}) = 0 mmap2(NULL, 8228, PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_DENYWRITE,3,0)=0xb7f04000 mmap2(0xb7f05000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0xb7f05000 close(3) = 0 write(2, "Aufruf fehlgeschlagen", 21Aufruf fehlgeschlagen) = 21 write(2, ".\n", 2. ) = 2 exit_group(1) = ? Process 6743 detached greetings, DP --------------------------------------------------------------------- dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx For additional commands, e-mail: dm-crypt-help@xxxxxxxx
