How to Enable Weak Ciphers OpenSSL 1.1.1h installation
Satyam Mehrotra
satyam226 at gmail.com
Mon Oct 26 16:26:41 UTC 2020
Segmentation fault is not seen if i don't compile* ./config with*
*-enable-weak-ssl-ciphers.*
Is it something I am missing or some more options needs to be provided to
./config ?
Thanks
Satyam
On Mon, 26 Oct 2020 at 20:21, Dmitry Belyavsky <beldmit at gmail.com> wrote:
> It has nothing to do with the ciphers command...
>
> On Mon, Oct 26, 2020 at 5:18 PM Satyam Mehrotra <satyam226 at gmail.com>
> wrote:
>
>> Dear Dmitry,
>>
>> >>Are the /usr/local/lib64/libssl.so.1.1 and
>> /usr/local/lib64/libcrypto.so.1.1 the same libraries that were built by you?
>> Yes, they are same
>>
>> gdb openssl core.50178
>>
>> GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-119.el7
>>
>> Copyright (C) 2013 Free Software Foundation, Inc.
>>
>> License GPLv3+: GNU GPL version 3 or later <
>> http://gnu.org/licenses/gpl.html>
>>
>> This is free software: you are free to change and redistribute it.
>>
>> There is NO WARRANTY, to the extent permitted by law. Type "show
>> copying"
>>
>> and "show warranty" for details.
>>
>> This GDB was configured as "x86_64-redhat-linux-gnu".
>>
>> For bug reporting instructions, please see:
>>
>> <http://www.gnu.org/software/gdb/bugs/>...
>>
>> Reading symbols from
>> /home/openssl-1.1.1h/openssl-1.1.1h/apps/openssl...done.
>>
>> [New LWP 50178]
>>
>> [Thread debugging using libthread_db enabled]
>>
>> Using host libthread_db library "/lib64/libthread_db.so.1".
>>
>> Core was generated by `/usr/local/bin/openssl'.
>>
>> Program terminated with signal 11, Segmentation fault.
>>
>> #0 do_body (xret=0x7f2bc6a6dcf0, pkey=0x7ffddd58d888,
>> x509=0x7f2bc6a7de80 <_dl_fini>, dgst=0x7f2bc6a8af5a, sigopts=0x0,
>> policy=0xfffa320300000000, serial=0x7ffddd58f693,
>>
>> subj=0x7ffddd58f6a6 "HOSTNAME=CentOS7", chtype=140728317048503,
>> multirdn=-581372209, email_dn=-581372189, startdate=0x7ffddd58f6f3
>> "HISTSIZE=1000",
>>
>> enddate=0x7ffddd58f701 "SSH_CLIENT=10.101.14.61 17471 22",
>> days=140728317048610, batch=-581372099, verbose=-581372056,
>> req=0x7ffddd58f77b,
>>
>> ext_sect=0x7ffddd58f785 "LD_LIBRARY_PATH=/usr/local/lib64/",
>> lconf=0x7ffddd58f7a7, certopt=140728317050463, nameopt=140728317050489,
>> default_op=-581370182,
>>
>> ext_copy=-581370137, selfsign=-581370120, db=<optimized out>,
>> db=<optimized out>) at apps/ca.c:1410
>>
>> 1410 row[i] = NULL;
>>
>>
>>
>> Thanks
>>
>> Satyam
>>
>>
>> On Mon, 26 Oct 2020 at 19:34, Dmitry Belyavsky <beldmit at gmail.com> wrote:
>>
>>> Are the /usr/local/lib64/libssl.so.1.1 and
>>> /usr/local/lib64/libcrypto.so.1.1 the same libraries that were built by you?
>>> If yes, you should try running via gdb to get a backtrace.
>>>
>>> On Mon, Oct 26, 2020 at 4:54 PM Satyam Mehrotra <satyam226 at gmail.com>
>>> wrote:
>>>
>>>> Dear Dmitry,
>>>>
>>>> As suggested i have build the openssl with -ggdb ( ./config -ggdb
>>>> -enable-weak-ssl-ciphers ) and after building i did make install as well.
>>>>
>>>> The strace output is as below
>>>> ==============================
>>>>
>>>> *strace ./openssl*
>>>>
>>>>
>>>> execve("./openssl", ["./openssl"], 0x7ffc8151b3d0 /* 27 vars */) = 0
>>>>
>>>> brk(NULL) = 0x1b4f000
>>>>
>>>> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
>>>> 0) = 0x7f3046813000
>>>>
>>>> access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
>>>> directory)
>>>>
>>>> open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>>>>
>>>> fstat(3, {st_mode=S_IFREG|0644, st_size=35929, ...}) = 0
>>>>
>>>> mmap(NULL, 35929, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f304680a000
>>>>
>>>> close(3) = 0
>>>>
>>>> open("/usr/local/lib64/libssl.so.1.1", O_RDONLY|O_CLOEXEC) = 3
>>>>
>>>> read(3,
>>>> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\24\2\0\0\0\0\0"..., 832)
>>>> = 832
>>>>
>>>> fstat(3, {st_mode=S_IFREG|0755, st_size=742664, ...}) = 0
>>>>
>>>> mmap(NULL, 2748352, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
>>>> 0) = 0x7f3046354000
>>>>
>>>> mprotect(0x7f30463e4000, 2097152, PROT_NONE) = 0
>>>>
>>>> mmap(0x7f30465e4000, 61440, PROT_READ|PROT_WRITE,
>>>> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x90000) = 0x7f30465e4000
>>>>
>>>> close(3) = 0
>>>>
>>>> open("/usr/local/lib64/libcrypto.so.1.1", O_RDONLY|O_CLOEXEC) = 3
>>>>
>>>> read(3,
>>>> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0p\7\0\0\0\0\0"..., 832) =
>>>> 832
>>>>
>>>> fstat(3, {st_mode=S_IFREG|0755, st_size=3397280, ...}) = 0
>>>>
>>>> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
>>>> 0) = 0x7f3046809000
>>>>
>>>> mmap(NULL, 5158840, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
>>>> 0) = 0x7f3045e68000
>>>>
>>>> mprotect(0x7f3046122000, 2097152, PROT_NONE) = 0
>>>>
>>>> mmap(0x7f3046322000, 188416, PROT_READ|PROT_WRITE,
>>>> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2ba000) = 0x7f3046322000
>>>>
>>>> mmap(0x7f3046350000, 14264, PROT_READ|PROT_WRITE,
>>>> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f3046350000
>>>>
>>>> close(3) = 0
>>>>
>>>> open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
>>>>
>>>> read(3,
>>>> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\16\0\0\0\0\0\0"..., 832) =
>>>> 832
>>>>
>>>> fstat(3, {st_mode=S_IFREG|0755, st_size=19248, ...}) = 0
>>>>
>>>> mmap(NULL, 2109744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
>>>> 0) = 0x7f3045c64000
>>>>
>>>> mprotect(0x7f3045c66000, 2097152, PROT_NONE) = 0
>>>>
>>>> mmap(0x7f3045e66000, 8192, PROT_READ|PROT_WRITE,
>>>> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f3045e66000
>>>>
>>>> close(3) = 0
>>>>
>>>> open("/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
>>>>
>>>> read(3,
>>>> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200m\0\0\0\0\0\0"..., 832)
>>>> = 832
>>>>
>>>> fstat(3, {st_mode=S_IFREG|0755, st_size=142144, ...}) = 0
>>>>
>>>> mmap(NULL, 2208904, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
>>>> 0) = 0x7f3045a48000
>>>>
>>>> mprotect(0x7f3045a5f000, 2093056, PROT_NONE) = 0
>>>>
>>>> mmap(0x7f3045c5e000, 8192, PROT_READ|PROT_WRITE,
>>>> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7f3045c5e000
>>>>
>>>> mmap(0x7f3045c60000, 13448, PROT_READ|PROT_WRITE,
>>>> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f3045c60000
>>>>
>>>> close(3) = 0
>>>>
>>>> open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>>>>
>>>> read(3,
>>>> "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`&\2\0\0\0\0\0"..., 832) =
>>>> 832
>>>>
>>>> fstat(3, {st_mode=S_IFREG|0755, st_size=2156240, ...}) = 0
>>>>
>>>> mmap(NULL, 3985920, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
>>>> 0) = 0x7f304567a000
>>>>
>>>> mprotect(0x7f304583d000, 2097152, PROT_NONE) = 0
>>>>
>>>> mmap(0x7f3045a3d000, 24576, PROT_READ|PROT_WRITE,
>>>> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1c3000) = 0x7f3045a3d000
>>>>
>>>> mmap(0x7f3045a43000, 16896, PROT_READ|PROT_WRITE,
>>>> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f3045a43000
>>>>
>>>> close(3) = 0
>>>>
>>>> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
>>>> 0) = 0x7f3046808000
>>>>
>>>> mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
>>>> 0) = 0x7f3046806000
>>>>
>>>> arch_prctl(ARCH_SET_FS, 0x7f3046806740) = 0
>>>>
>>>> mprotect(0x7f3045a3d000, 16384, PROT_READ) = 0
>>>>
>>>> mprotect(0x7f3045c5e000, 4096, PROT_READ) = 0
>>>>
>>>> mprotect(0x7f3045e66000, 4096, PROT_READ) = 0
>>>>
>>>> mprotect(0x7f3046322000, 176128, PROT_READ) = 0
>>>>
>>>> mprotect(0x7f30465e4000, 40960, PROT_READ) = 0
>>>>
>>>> mprotect(0x692000, 4096, PROT_READ) = 0
>>>>
>>>> mprotect(0x7f3046814000, 4096, PROT_READ) = 0
>>>>
>>>> munmap(0x7f304680a000, 35929) = 0
>>>>
>>>> set_tid_address(0x7f3046806a10) = 47865
>>>>
>>>> set_robust_list(0x7f3046806a20, 24) = 0
>>>>
>>>> rt_sigaction(SIGRTMIN, {sa_handler=0x7f3045a4e860, sa_mask=[],
>>>> sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f3045a57630}, NULL, 8) = 0
>>>>
>>>> rt_sigaction(SIGRT_1, {sa_handler=0x7f3045a4e8f0, sa_mask=[],
>>>> sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3045a57630},
>>>> NULL, 8) = 0
>>>>
>>>> rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
>>>>
>>>> getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY})
>>>> = 0
>>>>
>>>> --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=NULL} ---
>>>>
>>>> +++ killed by SIGSEGV (core dumped) +++
>>>>
>>>> Segmentation fault
>>>>
>>>>
>>>>
>>>> *Thanks*
>>>>
>>>> *Satyam*
>>>>
>>>>
>>>>
>>>> On Mon, 26 Oct 2020 at 17:50, Dmitry Belyavsky <beldmit at gmail.com>
>>>> wrote:
>>>>
>>>>> Dear Satyam,
>>>>>
>>>>> First of all, I'll suggest checking whether the libcrypto/libssl are
>>>>> those you've built. It can be done, e.g., via running strace.
>>>>>
>>>>> I also suggest building openssl with -ggdb (./config -ggdb should do
>>>>> the trick).
>>>>>
>>>>> On Mon, Oct 26, 2020 at 11:34 AM Satyam Mehrotra <satyam226 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi Dmitry,
>>>>>>
>>>>>> >>If you have just built the openssl, try to set the LD_LIBRARY_PATH
>>>>>> environment variable pointing to freshly built libcrypto/libssl
>>>>>>
>>>>>> I try setting the LD_LIBRARY_PATH but it is still crashing
>>>>>>
>>>>>> *which openssl*
>>>>>>
>>>>>> * /usr/local/bin/openssl*
>>>>>>
>>>>>>
>>>>>> *export LD_LIBRARY_PATH=/usr/local/lib64/*
>>>>>>
>>>>>>
>>>>>> ls -lhrt
>>>>>>
>>>>>> total 11M
>>>>>>
>>>>>> drwxr-xr-x. 2 root root 61 Oct 25 16:27 pkgconfig
>>>>>>
>>>>>> -rwxr-xr-x. 1 root root 3.3M Oct 26 12:58 libcrypto.so.1.1
>>>>>>
>>>>>> -rwxr-xr-x. 1 root root 726K Oct 26 12:58 libssl.so.1.1
>>>>>>
>>>>>> -rw-r--r--. 1 root root 5.4M Oct 26 12:58 libcrypto.a
>>>>>>
>>>>>> -rw-r--r--. 1 root root 1.1M Oct 26 12:58 libssl.a
>>>>>>
>>>>>> lrwxrwxrwx. 1 root root 16 Oct 26 12:58 libcrypto.so ->
>>>>>> libcrypto.so.1.1
>>>>>>
>>>>>> lrwxrwxrwx. 1 root root 13 Oct 26 12:58 libssl.so ->
>>>>>> libssl.so.1.1
>>>>>>
>>>>>> drwxr-xr-x. 2 root root 39 Oct 26 12:58 engines-1.1
>>>>>>
>>>>>>
>>>>>>
>>>>>> *openssl ciphers -V*
>>>>>>
>>>>>> * Segmentation fault*
>>>>>>
>>>>>>
>>>>>> *gdb ./openssl core.3370 *
>>>>>>
>>>>>>
>>>>>> GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-119.el7
>>>>>>
>>>>>> Copyright (C) 2013 Free Software Foundation, Inc.
>>>>>>
>>>>>> License GPLv3+: GNU GPL version 3 or later <
>>>>>> http://gnu.org/licenses/gpl.html>
>>>>>>
>>>>>> This is free software: you are free to change and redistribute it.
>>>>>>
>>>>>> There is NO WARRANTY, to the extent permitted by law. Type "show
>>>>>> copying"
>>>>>>
>>>>>> and "show warranty" for details.
>>>>>>
>>>>>> This GDB was configured as "x86_64-redhat-linux-gnu".
>>>>>>
>>>>>> For bug reporting instructions, please see:
>>>>>>
>>>>>> <http://www.gnu.org/software/gdb/bugs/>...
>>>>>>
>>>>>> Reading symbols from
>>>>>> /home/openssl-1.1.1h/openssl-1.1.1h/apps/openssl...(no debugging symbols
>>>>>> found)...done.
>>>>>>
>>>>>> [New LWP 3370]
>>>>>>
>>>>>> [Thread debugging using libthread_db enabled]
>>>>>>
>>>>>> Using host libthread_db library "/lib64/libthread_db.so.1".
>>>>>>
>>>>>> Core was generated by `openssl ciphers -V'.
>>>>>>
>>>>>> Program terminated with signal 11, Segmentation fault.
>>>>>>
>>>>>> #0 0x000000000041c53d in do_body.isra.3 ()
>>>>>>
>>>>>> (gdb) bt
>>>>>>
>>>>>> #0 0x000000000041c53d in do_body.isra.3 ()
>>>>>>
>>>>>> (gdb)
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> Satyam
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Mon, 26 Oct 2020 at 12:16, Dmitry Belyavsky <beldmit at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> If you have just built the openssl, try to set the LD_LIBRARY_PATH
>>>>>>> environment variable pointing to freshly built libcrypto/libssl
>>>>>>>
>>>>>>> On Mon, Oct 26, 2020 at 9:33 AM Satyam Mehrotra <satyam226 at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> Any Suggestions on how this can be done ?
>>>>>>>> why openssl binary is crashing if i am compiling it with *-enable-weak-ssl-ciphers
>>>>>>>> ,* also what is the location of the crash file.
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>> Satyam
>>>>>>>>
>>>>>>>> On Sun, 25 Oct 2020 at 12:57, Satyam Mehrotra <satyam226 at gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Hello Everyone,
>>>>>>>>>
>>>>>>>>> I have just joined the openssl users community.
>>>>>>>>> My requirement is to have the SSLv3 and weak ciphers enable with
>>>>>>>>> openssl installation .
>>>>>>>>> I have a query regarding enabling SSLv3 protocol and weak ciphers
>>>>>>>>> with openssl-1.1.1h installation
>>>>>>>>>
>>>>>>>>> I have followed the below steps
>>>>>>>>>
>>>>>>>>> 1) *./config -enable-weak-ssl-ciphers*
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> *2) The Makefile looks as below*
>>>>>>>>>
>>>>>>>>> *===============================*
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ##
>>>>>>>>>
>>>>>>>>> ## Makefile for OpenSSL
>>>>>>>>>
>>>>>>>>> ##
>>>>>>>>>
>>>>>>>>> ## WARNING: do not edit!
>>>>>>>>>
>>>>>>>>> ## Generated by Configure from Configurations/common0.tmpl,
>>>>>>>>> Configurations/unix-Makefile.tmpl, Configurations/common.tmpl
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> PLATFORM=linux-x86_64
>>>>>>>>>
>>>>>>>>> OPTIONS=-enable-weak-ssl-ciphers no-asan no-buildtest-c++
>>>>>>>>> no-crypto-mdebug no-crypto-mdebug-backtrace no-devcryptoeng
>>>>>>>>> no-ec_nistp_64_gcc_128 no-egd no-external-tests no-fuzz-afl
>>>>>>>>> no-fuzz-libfuzzer no-heartbeats no-md2 no-msan no-rc5 no-sctp no-ubsan
>>>>>>>>> no-unit-test no-zlib no-zlib-dynamic
>>>>>>>>>
>>>>>>>>> CONFIGURE_ARGS=("linux-x86_64", "-enable-weak-ssl-ciphers")
>>>>>>>>>
>>>>>>>>> SRCDIR=.
>>>>>>>>>
>>>>>>>>> BLDDIR=.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> VERSION=1.1.1h
>>>>>>>>>
>>>>>>>>> MAJOR=1
>>>>>>>>>
>>>>>>>>> MINOR=1.1
>>>>>>>>>
>>>>>>>>> SHLIB_VERSION_NUMBER=1.1
>>>>>>>>>
>>>>>>>>> SHLIB_VERSION_HISTORY=
>>>>>>>>>
>>>>>>>>> SHLIB_MAJOR=1
>>>>>>>>>
>>>>>>>>> SHLIB_MINOR=1
>>>>>>>>>
>>>>>>>>> SHLIB_TARGET=linux-shared
>>>>>>>>>
>>>>>>>>> SHLIB_EXT=.so.$(SHLIB_VERSION_NUMBER)
>>>>>>>>>
>>>>>>>>> SHLIB_EXT_SIMPLE=.so
>>>>>>>>>
>>>>>>>>> SHLIB_EXT_IMPORT=
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> LIBS=apps/libapps.a libcrypto.a libssl.a test/libtestutil.a
>>>>>>>>>
>>>>>>>>> SHLIBS=libcrypto$(SHLIB_EXT) libssl$(SHLIB_EXT)
>>>>>>>>>
>>>>>>>>> SHLIB_INFO=";"
>>>>>>>>> "libcrypto$(SHLIB_EXT);libcrypto$(SHLIB_EXT_SIMPLE)"
>>>>>>>>> "libssl$(SHLIB_EXT);libssl$(SHLIB_EXT_SIMPLE)" ";"
>>>>>>>>>
>>>>>>>>> ENGINES=engines/afalg.so engines/capi.so engines/dasync.so
>>>>>>>>> engines/ossltest.so engines/padlock.so
>>>>>>>>>
>>>>>>>>> @
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> if i do any openssl operations it gives error ( core dumped )
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> *./openssl ciphers -V*
>>>>>>>>>
>>>>>>>>> * Segmentation fault (core dumped)*
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> *Can someone help me in resolving this issue ?*
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> If i don't use option* "**-enable-weak-ssl-ciphers " *then the
>>>>>>>>> above issue is not seen but SSLv3 and weak ciphers do not get enable.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>>
>>>>>>>>> Satyam
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> SY, Dmitry Belyavsky
>>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> SY, Dmitry Belyavsky
>>>>>
>>>>
>>>
>>> --
>>> SY, Dmitry Belyavsky
>>>
>>
>
> --
> SY, Dmitry Belyavsky
>
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