Installing iplock manually

In the last few days, I worked with, let's call him John, who read my post on my DNS issues in Aug 15, 2020 (I was spammed pretty bad by an amplification DNS attack). John wanted to run iplock on his system because it's much more flexible than directly using iptables with fail2ban. So I made sure that it would compile on Ubuntu 20.04 and he made it work on his system by also copying the dependencies (i.e. the shared libraries).

Here we present John's log on how to install iplock on a computer from a compiled version, opposed to directly from a package. The problem is that I don't currently have the packages ready for Ubuntu 20.04... (I'm currently looking into having the packages for 16.04, 18.04 and 20.04, but right now the script fails signing the source file).

For how to compile, you should find all the necessary instructions in the snapcpp main README.md file.

john@ubuntu2004:~/snapcpp/contrib/iplock/iplock$ cd
john@ubuntu2004:~$ cd snapcpp/dist/
john@ubuntu2004:~/snapcpp/dist$ ls
bin  include  lib  sbin  share
john@ubuntu2004:~/snapcpp/dist$ tar zcf iplock-libs.tgz lib/

<copied from ubuntu2004 vm to remote dns machine>
scp -3r 172.16.190.6:/home/john/snapcpp/contrib/iplock/iplock 10.10.10.206:
scp -3r 172.16.190.6:/home/john/snapcpp/dist/iplock-libs.tgz 10.10.10.206:


(10.10.10.206) john@server:~$ ldd iplock
    linux-vdso.so.1 (0x00007fffb95f3000)
    libadvgetopt.so.2 => not found
    libboost_filesystem.so.1.71.0 => not found
    libaddr.so.1 => not found
    libexcept.so.1 => not found
    libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f18d7321000)
    libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f18d7306000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f18d7112000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f18d6fc3000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f18d7532000)
(10.10.10.206) john@server:~$ sudo apt install libboost-filesystem1.71.0
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  libboost-filesystem1.71.0
0 upgraded, 1 newly installed, 0 to remove and 7 not upgraded.
Need to get 242 kB of archives.
After this operation, 2,124 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu focal/main amd64 libboost-filesystem1.71.0 amd64 1.71.0-6ubuntu6 [242 kB]
Fetched 242 kB in 1s (370 kB/s)
Selecting previously unselected package libboost-filesystem1.71.0:amd64.
(Reading database ... 149927 files and directories currently installed.)
Preparing to unpack .../libboost-filesystem1.71.0_1.71.0-6ubuntu6_amd64.deb ...
Unpacking libboost-filesystem1.71.0:amd64 (1.71.0-6ubuntu6) ...
Setting up libboost-filesystem1.71.0:amd64 (1.71.0-6ubuntu6) ...
Processing triggers for libc-bin (2.31-0ubuntu9.1) ...
(10.10.10.206) john@server:~$ ldd iplock
    linux-vdso.so.1 (0x00007ffeda5e6000)
    libadvgetopt.so.2 => not found
    libboost_filesystem.so.1.71.0 => /lib/x86_64-linux-gnu/libboost_filesystem.so.1.71.0 (0x00007f3b1debc000)
    libaddr.so.1 => not found
    libexcept.so.1 => not found
    libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f3b1dcdb000)
    libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f3b1dcc0000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f3b1dacc000)
    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f3b1daa9000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f3b1d95a000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f3b1df0a000)
(10.10.10.206) john@server:~$ tar zxf iplock-libs.tgz
(10.10.10.206) john@server:~$ cd lib/
(10.10.10.206) john@server:~/lib$ ls -la
total 10336
drwxr-xr-x  2 john john    4096 Jan  5 11:34 .
drwxr-xr-x 10 john john    4096 Jan  5 12:52 ..
lrwxrwxrwx  1 john john      12 Jan  5 11:34 libaddr.so -> libaddr.so.1
lrwxrwxrwx  1 john john      14 Jan  5 11:34 libaddr.so.1 -> libaddr.so.1.0
-rw-r--r--  1 john john  167560 Jan  5 11:34 libaddr.so.1.0
lrwxrwxrwx  1 john john      17 Jan  5 11:33 libadvgetopt.so -> libadvgetopt.so.2
lrwxrwxrwx  1 john john      19 Jan  5 11:33 libadvgetopt.so.2 -> libadvgetopt.so.2.0
-rw-r--r--  1 john john  602624 Jan  5 11:32 libadvgetopt.so.2.0
-rw-r--r--  1 john john 8243298 Jan  5 11:30 libCatch2WithMain.a
lrwxrwxrwx  1 john john      17 Jan  5 11:31 libcppthread.so -> libcppthread.so.1
lrwxrwxrwx  1 john john      19 Jan  5 11:31 libcppthread.so.1 -> libcppthread.so.1.0
-rw-r--r--  1 john john  109248 Jan  5 11:31 libcppthread.so.1.0
lrwxrwxrwx  1 john john      14 Jan  5 11:30 libexcept.so -> libexcept.so.1
lrwxrwxrwx  1 john john      16 Jan  5 11:30 libexcept.so.1 -> libexcept.so.1.1
-rw-r--r--  1 john john   63384 Jan  5 11:30 libexcept.so.1.1
lrwxrwxrwx  1 john john      15 Jan  5 11:34 libmurmur3.so -> libmurmur3.so.1
lrwxrwxrwx  1 john john      17 Jan  5 11:34 libmurmur3.so.1 -> libmurmur3.so.1.0
-rw-r--r--  1 john john   16048 Jan  5 11:34 libmurmur3.so.1.0
lrwxrwxrwx  1 john john      18 Jan  5 11:34 libsnaplogger.so -> libsnaplogger.so.1
lrwxrwxrwx  1 john john      20 Jan  5 11:34 libsnaplogger.so.1 -> libsnaplogger.so.1.0
-rw-r--r--  1 john john 1016208 Jan  5 11:33 libsnaplogger.so.1.0
lrwxrwxrwx  1 john john      12 Jan  5 11:31 libutf8.so -> libutf8.so.1
lrwxrwxrwx  1 john john      14 Jan  5 11:31 libutf8.so.1 -> libutf8.so.1.0
-rw-r--r--  1 john john   55688 Jan  5 11:31 libutf8.so.1.0
lrwxrwxrwx  1 john john      14 Jan  5 11:34 libzipios.so -> libzipios.so.2
lrwxrwxrwx  1 john john      16 Jan  5 11:34 libzipios.so.2 -> libzipios.so.2.2
-rw-r--r--  1 john john  286448 Jan  5 11:34 libzipios.so.2.2
(10.10.10.206) john@server:~/lib$ cd
(10.10.10.206) john@server:~$ sudo mv lib /usr/local/lib/iplock
(10.10.10.206) john@server:~$ sudo chown root:staff /usr/local/lib/iplock
(10.10.10.206) john@server:~$ sudo chmod 2775 /usr/local/lib/iplock
(10.10.10.206) john@server:~$ sudo ls -l /usr/local/lib/
total 8
drwxrwsr-x 2 root staff 4096 Jan  5 11:34 iplock
drwxrwsr-x 3 root staff 4096 Apr 23  2020 python3.8
(10.10.10.206) john@server:~$ cat /etc/ld.so.conf.d/libc.conf
# libc default configuration
/usr/local/lib
(10.10.10.206) john@server:~$ cd /usr/local/lib/
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libaddr.so.1 libaddr.so
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libaddr.so.1.0 libaddr.so.1
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libadvgetopt.so.2 libadvgetopt.so
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libadvgetopt.so.2.0 libadvgetopt.so.2
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libcppthread.so.1 libcppthread.so
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libcppthread.so.1.0 libcppthread.so.1
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libexcept.so.1 libexcept.so
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libexcept.so.1.1 libexcept.so.1
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libmurmur3.so.1 libmurmur3.so
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libmurmur3.so.1.0 libmurmur3.so.1
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libsnaplogger.so.1 libsnaplogger.so
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libsnaplogger.so.1.0 libsnaplogger.so.1
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libutf8.so.1 libutf8.so
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libutf8.so.1.0 libutf8.so.1
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libzipios.so.2 libzipios.so
(10.10.10.206) john@server:/usr/local/lib$ sudo ln -s iplock/libzipios.so.2.2 libzipios.so.2
(10.10.10.206) john@server:/usr/local/lib$ ls -la lib*
total 16
drwxr-xr-x  4 root root  4096 Jan  5 13:12 .
drwxr-xr-x 10 root root  4096 Apr 23  2020 ..
drwxrwsr-x  2 root staff 4096 Jan  5 11:34 iplock
lrwxrwxrwx  1 root root    19 Jan  5 13:12 libaddr.so -> iplock/libaddr.so.1
lrwxrwxrwx  1 root root    21 Jan  5 13:12 libaddr.so.1 -> iplock/libaddr.so.1.0
lrwxrwxrwx  1 root root    24 Jan  5 13:12 libadvgetopt.so -> iplock/libadvgetopt.so.2
lrwxrwxrwx  1 root root    26 Jan  5 13:12 libadvgetopt.so.2 -> iplock/libadvgetopt.so.2.0
lrwxrwxrwx  1 root root    24 Jan  5 13:12 libcppthread.so -> iplock/libcppthread.so.1
lrwxrwxrwx  1 root root    26 Jan  5 13:12 libcppthread.so.1 -> iplock/libcppthread.so.1.0
lrwxrwxrwx  1 root root    21 Jan  5 13:12 libexcept.so -> iplock/libexcept.so.1
lrwxrwxrwx  1 root root    23 Jan  5 13:12 libexcept.so.1 -> iplock/libexcept.so.1.1
lrwxrwxrwx  1 root root    22 Jan  5 13:12 libmurmur3.so -> iplock/libmurmur3.so.1
lrwxrwxrwx  1 root root    24 Jan  5 13:12 libmurmur3.so.1 -> iplock/libmurmur3.so.1.0
lrwxrwxrwx  1 root root    25 Jan  5 13:12 libsnaplogger.so -> iplock/libsnaplogger.so.1
lrwxrwxrwx  1 root root    27 Jan  5 13:12 libsnaplogger.so.1 -> iplock/libsnaplogger.so.1.0
lrwxrwxrwx  1 root root    19 Jan  5 13:12 libutf8.so -> iplock/libutf8.so.1
lrwxrwxrwx  1 root root    21 Jan  5 13:12 libutf8.so.1 -> iplock/libutf8.so.1.0
lrwxrwxrwx  1 root root    21 Jan  5 13:12 libzipios.so -> iplock/libzipios.so.2
lrwxrwxrwx  1 root root    23 Jan  5 13:12 libzipios.so.2 -> iplock/libzipios.so.2.2
(10.10.10.206) john@server:/usr/local/lib$ sudo ldconfig
(10.10.10.206) john@server:/usr/local/lib$ cd -
/home/john
(10.10.10.206) john@server:~$ ldd ./iplock
    linux-vdso.so.1 (0x00007ffde8bb8000)
    libadvgetopt.so.2 => /usr/local/lib/libadvgetopt.so.2 (0x00007f189bfe4000)
    libboost_filesystem.so.1.71.0 => /lib/x86_64-linux-gnu/libboost_filesystem.so.1.71.0 (0x00007f189bfc6000)
    libaddr.so.1 => /usr/local/lib/libaddr.so.1 (0x00007f189bfa3000)
    libexcept.so.1 => /usr/local/lib/libexcept.so.1 (0x00007f189bf95000)
    libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f189bdb4000)
    libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f189bd99000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f189bba5000)
    libcppthread.so.1 => /usr/local/lib/libcppthread.so.1 (0x00007f189bb8f000)
    libutf8.so.1 => /usr/local/lib/libutf8.so.1 (0x00007f189bb83000)
    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f189bb60000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f189c092000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f189ba11000)
(10.10.10.206) john@server:~$ ./iplock
iplock:error: you must specify one of: --block, --unblock, --count, --flush or --batch.
(10.10.10.206) john@server:~$ file ./iplock
./iplock: ELF 64-bit LSB shared object, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=dafcd535e8a7ee3b525c372b6dbb4ac337348070, for GNU/Linux 3.2.0, not stripped
(10.10.10.206) john@server:~$

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