Re: [libextractor] Not showing meta information

[Peter Muhr]

Good morning,

okay, so I edited PATH and deleted symlink like you recommended above. I can
call extract without putting a path in front - but still the behaviour is
the same like before. I ran the commands you told me and the output is the
same as written in my last post.

I did a search on 'second' but couldn't find anything. I installed and ran
strace like you recommended. The output is:
$ strace extract dmca.pdf 

execve("/usr/local/bin/extract", ["extract", "dmca.pdf"], [/* 18 vars */]) =
0
brk(0)                                  = 0x86be000
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) =
0xb7f30000
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=30372, ...}) = 0
mmap2(NULL, 30372, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f28000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or
directory)
open("/usr/local/lib/libextractor.so.3", 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\220
\0\0004\0\0\0\20"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=87185, ...}) = 0
mmap2(NULL, 34848, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7f1f000
mmap2(0xb7f27000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7) = 0xb7f27000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or
directory)
open("/lib/i686/cmov/librt.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`\31\0\0004\0\0\0\240"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=30624, ...}) = 0
mmap2(NULL, 33360, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7f16000
mmap2(0xb7f1d000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6) = 0xb7f1d000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or
directory)
open("/lib/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`\n\0\0004\0\0\0H"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=9680, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7f15000
mmap2(NULL, 12412, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7f11000
mmap2(0xb7f13000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0xb7f13000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or
directory)
open("/lib/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\260e\1\0004\0\0\0\4"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1413540, ...}) = 0
mmap2(NULL, 1418864, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7db6000
mmap2(0xb7f0b000, 12288, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x155) = 0xb7f0b000
mmap2(0xb7f0e000, 9840, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f0e000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or
directory)
open("/usr/local/lib/libltdl.so.7", O_RDONLY) = 3
read(3,
"address@hidden"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=100547, ...}) = 0
mmap2(NULL, 29340, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7dae000
mmap2(0xb7db5000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7) = 0xb7db5000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or
directory)
open("/usr/lib/libz.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\300\30\0\0004\0\0\0\24"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=81012, ...}) = 0
mmap2(NULL, 83740, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7d99000
mmap2(0xb7dad000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13) = 0xb7dad000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or
directory)
open("/lib/i686/cmov/libpthread.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\0000H\0\0004\0\0\0\330"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=116414, ...}) = 0
mmap2(NULL, 98784, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7d80000
mmap2(0xb7d95000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14) = 0xb7d95000
mmap2(0xb7d97000, 4576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7d97000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7d7f000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7d7e000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7d7e6b0, limit:1048575,
seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1,
seg_not_present:0, useable:1}) = 0
mprotect(0xb7f0b000, 4096, PROT_READ)   = 0
munmap(0xb7f28000, 30372)               = 0
set_tid_address(0xb7d7e6f8)             = 17962
set_robust_list(0xb7d7e700, 0xc)        = 0
futex(0xbff4c000, FUTEX_WAKE_PRIVATE, 1) = 0
rt_sigaction(SIGRTMIN, {0xb7d842e0, [], SA_SIGINFO}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0xb7d84720, [], SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
uname({sys="Linux", node="debian", ...}) = 0
brk(0)                                  = 0x86be000
brk(0x86df000)                          = 0x86df000
open("/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=2461856, ...}) = 0
mmap2(NULL, 2097152, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7b7e000
close(3)                                = 0
rt_sigaction(SIGPIPE, {0x8048d90, [], SA_INTERRUPT}, {SIG_DFL}, 8) = 0
open("/usr/local", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) =
3
fstat64(3, {st_mode=S_IFDIR|S_ISGID|0775, st_size=4096, ...}) = 0
fcntl64(3, F_GETFD)                     = 0x1 (flags FD_CLOEXEC)
getdents64(3, /* 31 entries */, 4096)   = 1144
open("/usr/local", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) =
4
fstat64(4, {st_mode=S_IFDIR|S_ISGID|0775, st_size=4096, ...}) = 0
getdents64(4, /* 31 entries */, 4096)   = 1144
close(4)                                = 0
open("/usr/local", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) =
4
fstat64(4, {st_mode=S_IFDIR|S_ISGID|0775, st_size=4096, ...}) = 0
getdents64(4, /* 31 entries */, 4096)   = 1144
close(4)                                = 0
open("/usr/local", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) =
4
fstat64(4, {st_mode=S_IFDIR|S_ISGID|0775, st_size=4096, ...}) = 0
getdents64(4, /* 31 entries */, 4096)   = 1144
close(4)                                = 0
getdents64(3, /* 0 entries */, 4096)    = 0
close(3)                                = 0
open("/usr/share/locale/locale.alias", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=2586, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7f2f000
read(3, "# Locale name alias data base.\n# "..., 4096) = 2586
read(3, ""..., 4096)                    = 0
close(3)                                = 0
munmap(0xb7f2f000, 4096)                = 0
open("/usr/local/share/locale/de_DE/LC_MESSAGES/libextractor.mo", O_RDONLY)
= -1 ENOENT (No such file or directory)
open("/usr/local/share/locale/de/LC_MESSAGES/libextractor.mo", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=14667, ...}) = 0
mmap2(NULL, 14667, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f2c000
close(3)                                = 0
open("/usr/lib/gconv/gconv-modules.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=25700, ...}) = 0
mmap2(NULL, 25700, PROT_READ, MAP_SHARED, 3, 0) = 0xb7b77000
close(3)                                = 0
futex(0xb7f0da6c, FUTEX_WAKE_PRIVATE, 2147483647) = 0
fstat64(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(4, 1), ...}) = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...})
= 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7b76000
write(1, "Schl\303\274sserw\303\266rter f\303\274r die Datei "..., 43) = 43
stat64("dmca.pdf", {st_mode=S_IFREG|0644, st_size=72756, ...}) = 0
open("dmca.pdf", O_RDONLY|O_LARGEFILE)  = 3
mmap2(NULL, 72756, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7b64000
pipe([4, 5])                            = 0
pipe([6, 7])                            = 0
clone(Loading `second' plugin failed: file not found
Plugin `second' failed to load!
child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0xb7d7e6f8) = 17963
--- SIGCHLD (Child exited) @ 0 (0) ---
close(4)                                = 0
close(7)                                = 0
fcntl64(5, F_GETFL)                     = 0x1 (flags O_WRONLY)
fstat64(5, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7b63000
_llseek(5, 0, 0xbff4ba94, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
pipe([4, 7])                            = 0
pipe([8, 9])                            = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0xb7d7e6f8) = 17964
close(4Loading `first' plugin failed: file not found
Plugin `first' failed to load!
)                                = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
close(9)                                = 0
fcntl64(7, F_GETFL)                     = 0x1 (flags O_WRONLY)
fstat64(7, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7b62000
_llseek(7, 0, 0xbff4ba94, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
pipe([4, 9])                            = 0
pipe([10, 11])                          = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0xb7d7e6f8) = 17965
close(4)                                = 0
close(11)                               = 0
Loading `old' plugin failed: file not found
Plugin `old' failed to load!
--- SIGCHLD (Child exited) @ 0 (0) ---
fcntl64(9, F_GETFL)                     = 0x1 (flags O_WRONLY)
fstat64(9, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7b61000
_llseek(9, 0, 0xbff4ba94, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
statfs("/dev/shm/", {f_type=0x1021994, f_bsize=4096, f_blocks=32050,
f_bfree=32050, f_bavail=32050, f_files=32050, f_ffree=32049, f_fsid={0, 0},
f_namelen=255, f_frsize=4096}) = 0
futex(0xb7f1e218, FUTEX_WAKE_PRIVATE, 2147483647) = 0
open("/dev/shm/libextractor-shm-17962-1804289383",
O_RDWR|O_CREAT|O_NOFOLLOW|O_CLOEXEC, 0600) = 4
fcntl64(4, F_GETFD)                     = 0x1 (flags FD_CLOEXEC)
ftruncate64(4, 72756)                   = 0
mmap2(NULL, 72756, PROT_WRITE, MAP_SHARED, 4, 0) = 0xb7b4f000
write(5, "/libextractor-shm-17962-180428938"..., 37) = -1 EPIPE (Broken
pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
sigreturn()                             = ? (mask now [])
read(6, ""..., 16)                      = 0
kill(17963, SIGKILL)                    = 0
waitpid(17963, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 17963
close(6)                                = 0
close(5)                                = 0
munmap(0xb7b63000, 4096)                = 0
pipe([5, 6])                            = 0
pipe([11, 12])                          = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0xb7d7e6f8) = 17966
close(5)                                = 0
close(12)                               = 0
fcntl64(6, F_GETFLLoading `second' plugin failed: file not found
Plugin `second' failed to load!
)                     = 0x1 (flags O_WRONLY)
--- SIGCHLD (Child exited) @ 0 (0) ---
fstat64(6, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7b63000
_llseek(6, 0, 0xbff4ba94, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
write(6, "/libextractor-shm-17962-180428938"..., 37) = -1 EPIPE (Broken
pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
sigreturn()                             = ? (mask now [])
read(11, ""..., 16)                     = 0
kill(17966, SIGKILL)                    = 0
waitpid(17966, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 17966
close(11)                               = 0
close(6)                                = 0
munmap(0xb7b63000, 4096)                = 0
write(7, "/libextractor-shm-17962-180428938"..., 37) = -1 EPIPE (Broken
pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
sigreturn()                             = ? (mask now [])
read(8, ""..., 16)                      = 0
kill(17964, SIGKILL)                    = 0
waitpid(17964, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 17964
close(8)                                = 0
close(7)                                = 0
munmap(0xb7b62000, 4096)                = 0
pipe([5, 6])                            = 0
pipe([7, 8])                            = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0xb7d7e6f8) = 17967
close(5)                                = 0
close(8)                                = 0
fcntl64(6, F_GETFL)                     = 0x1 (flags O_WRONLY)
fstat64(6, Loading `first' plugin failed: file not found
Plugin `first' failed to load!
{st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7b63000
_llseek(6, 0, 0xbff4ba94, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
write(6, "/libextractor-shm-17962-180428938"..., 37) = -1 EPIPE (Broken
pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
sigreturn()                             = ? (mask now [])
read(7, ""..., 16)                      = 0
kill(17967, SIGKILL)                    = 0
waitpid(17967, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 17967
close(7)                                = 0
close(6)                                = 0
munmap(0xb7b63000, 4096)                = 0
write(9, "/libextractor-shm-17962-180428938"..., 37) = -1 EPIPE (Broken
pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
sigreturn()                             = ? (mask now [])
read(10, ""..., 16)                     = 0
kill(17965, SIGKILL)                    = 0
waitpid(17965, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 17965
close(10)                               = 0
close(9)                                = 0
munmap(0xb7b61000, 4096)                = 0
pipe([5, 6])                            = 0
pipe([7, 8])                            = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0xb7d7e6f8) = 17968
close(5)                                = 0
close(8)                                = 0
Loading `old' plugin failed: file not found
Plugin `old' failed to load!
--- SIGCHLD (Child exited) @ 0 (0) ---
fcntl64(6, F_GETFL)                     = 0x1 (flags O_WRONLY)
fstat64(6, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7b63000
_llseek(6, 0, 0xbff4ba94, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
write(6, "/libextractor-shm-17962-180428938"..., 37) = -1 EPIPE (Broken
pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
sigreturn()                             = ? (mask now [])
read(7, ""..., 16)                      = 0
kill(17968, SIGKILL)                    = 0
waitpid(17968, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 17968
close(7)                                = 0
close(6)                                = 0
munmap(0xb7b63000, 4096)                = 0
munmap(0xb7b4f000, 72756)               = 0
close(4)                                = 0
unlink("/dev/shm/libextractor-shm-17962-1804289383") = 0
close(0)                                = 0
unlink("/dev/shm/F-8//")                = -1 ENOENT (No such file or
directory)
munmap(0xb7b64000, 72756)               = 0
close(3)                                = 0
write(2, "Plugin `second' choked on this in"..., 37Plugin `second' choked on
this input
) = 37
write(2, "Plugin `first' choked on this inp"..., 36Plugin `first' choked on
this input
) = 36
write(2, "Plugin `old' choked on this input"..., 34Plugin `old' choked on
this input
) = 34
exit_group(0)                           = ?

======

I hope that helps. I couldn't see a path where LE is looking for plugins in
the output, so it doesn't mean a lot to me.

Thanks again,
Peter

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