Building websocket example with ssl

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Anders Persson

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Aug 24, 2018, 10:21:06 AM8/24/18
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I am buidling target websocket_app_ssl at Ubuntu 16.04. 

First I got two link errors not finding crypto and ssl libraries

I have these to at my computer:

/lib/x86_64-linux-gnu/libcrypto.so.1.0.0 
/lib/x86_64-linux-gnu/libssl.so.1.0.0

Adding the first resolved the crypto but when adding the ssl library I got these errors:

C3/Cobj3.o: I funktionen ”inline_F81_1274”:
big_file_C3_c.c:(.text+0x229d5): odefinierad referens till ”OPENSSL_init_ssl”
C3/Cobj3.o: I funktionen ”F81_1273”:
(.text+0x26a60): odefinierad referens till ”OPENSSL_init_ssl”
C3/Cobj3.o: I funktionen ”F81_1275”:
(.text+0x26fea): odefinierad referens till ”OPENSSL_init_ssl”
C3/Cobj3.o: I funktionen ”F81_1276”:
(.text+0x272b4): odefinierad referens till ”OPENSSL_init_crypto”
C3/Cobj3.o: I funktionen ”F81_1277”:
(.text+0x2757e): odefinierad referens till ”OPENSSL_init_crypto”
collect2: error: ld returned 1 exit status


Which version of openssl  do I need? Have I used the wrong libraries?

I have this:

openssl version
OpenSSL 1.0.2g  1 Mar 2016




javier hector

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Aug 24, 2018, 10:23:37 AM8/24/18
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The supported version is OpenSSL version 1.1.0f.

/Javier

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javier hector

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Aug 24, 2018, 10:24:27 AM8/24/18
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Check the Readme file about how to install it on Ubuntu.

Anders Persson

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Aug 31, 2018, 7:40:20 AM8/31/18
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Thanks

I used this readme file to solve the pproblem:


However, I installed version  1.1.0g as descibed in the readme file.

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Anders Persson

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Mar 11, 2019, 8:42:57 AM3/11/19
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Hi

I got this linking problem back.It is the same computer and I have not done any large upgrades of it. Might be that some Ubuntu automatic updates has made it fail again. However, I started to go through the process in the readme file again but it fails when doing "make". I get this error:

/usr/bin/ld: test/sanitytest.o: relocation R_X86_64_32 against `.rodata.str1.8' can not be used when making a PIE object; recompile with -fPIC
/usr/bin/ld: final link failed: Nonrepresentable section on output
collect2: error: ld returned 1 exit status
Makefile.shared:179: recipe for target 'link_app.gnu' failed
make[2]: *** [link_app.gnu] Error 1
make[2]: Leaving directory '/home/anders/openssl-1.1.0g'
Makefile:8875: recipe for target 'test/sanitytest' failed
make[1]: *** [test/sanitytest] Error 2
make[1]: Leaving directory '/home/anders/openssl-1.1.0g'
Makefile:130: recipe for target 'all' failed
make: *** [all] Error 2

Any clue about this?

Regards

Anders

Alexander Kogtenkov

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Mar 11, 2019, 10:05:06 AM3/11/19
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Some object modules have been compiled without the option -fPIC (or -fPIE). E.g., if `sanitytest` is an external module, compilation options could be checked for it.

(Alternatively, you can remove the linker option `-pie`, but it would make the resulting executable less relocatable.)

Alexander Kogtenkov


Anders Persson <ander...@gmail.com>:

Anders Persson

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Mar 11, 2019, 10:20:44 AM3/11/19
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Hi

sanitytest is an external module. Nothing I have added. I have not changed anything, I just tried to re-make something that was building earlier, but of course things that openSSL depends on can have been updated.

Vänligen

Anders Persson
+46 763 17 23 25



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Anders Persson

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Mar 11, 2019, 11:42:31 AM3/11/19
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Hi again

I executed "make clean" and was then able to build openSSL again and do the steps in the README file, but I still get the undefined references to "OPENSSL....."

C15/Cobj15.o: I funktionen ”F1505_15513”:
(.text+0x4857): varning: the use of `tempnam' is dangerous, better use `mkstemp'
C5/Cobj5.o: I funktionen ”F236_5177”:
(.text+0x1e): odefinierad referens till ”OPENSSL_init_ssl”
C5/Cobj5.o: I funktionen ”F236_5181”:
(.text+0x4e): odefinierad referens till ”OPENSSL_init_crypto”
C5/Cobj5.o: I funktionen ”F236_5172”:
(.text+0x57c5): odefinierad referens till ”OPENSSL_init_ssl”
(.text+0x57ce): odefinierad referens till ”OPENSSL_init_ssl”
(.text+0x57da): odefinierad referens till ”OPENSSL_init_crypto”
C5/Cobj5.o: I funktionen ”F236_5178”:
(.text+0x5ecb): odefinierad referens till ”OPENSSL_init_ssl”
C5/Cobj5.o: I funktionen ”F236_5179”:
(.text+0x5eeb): odefinierad referens till ”OPENSSL_init_ssl”
C5/Cobj5.o: I funktionen ”F236_5180”:
(.text+0x5f0e): odefinierad referens till ”OPENSSL_init_crypto”
collect2: error: ld returned 1 exit status
Makefile:243: recipe for target 'websocket_app' failed
make: *** [websocket_app] Error 1



Regards

Anders

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Anders Persson

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Mar 12, 2019, 4:46:44 AM3/12/19
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Hi

I have gone through these steps in the readme-file (except I am using the "g" version. Do I need to do something more? I am not sure if any of the other steps in the readme-file is necessary to do at Ubuntu.

#How to use the latest OpenSSL 1.1.1a on Ubuntu
================================================

```bash
$>wget https://www.openssl.org/source/openssl-1.1.1a.tar.gz
$>tar xzvf openssl-1.1.1a.tar.gz
$>cd openssl-1.1.1a
$>./config -Wl,--enable-new-dtags,-rpath,`$(LIBRPATH)`
$>make
$>sudo make install

$>openssl version -a    

$>echo	If you have an already installed OpenSSL library remove it using

$>sudo apt-get remove libssl-dev
```

Rebuild the ldconfig cache using

```
$sudo ldconfig
```

JV

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Mar 13, 2019, 7:24:19 AM3/13/19
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Hi Anders, 

Can you let me know which EiffelStudio version are you using?

/Javier

Anders Persson

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Mar 13, 2019, 7:45:12 AM3/13/19
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Hi

Installation information:
Version = EiffelStudio 18.11 (18.11.10.2592 Enterprise Edition - linux-x86-64)
$ISE_EIFFEL = /home/anders/Eiffel_18.11
$ISE_LIBRARY = /home/anders/Eiffel_18.11
$ISE_PLATFORM = linux-x86-64

Ubuntu 18.04.2 LTS

 openssl version -a

OpenSSL 1.1.0g  2 Nov 2017
built on: reproducible build, date unspecified
platform: linux-x86_64
compiler: gcc -DDSO_DLFCN -DHAVE_DLFCN_H -DNDEBUG -DOPENSSL_THREADS -DOPENSSL_NO_STATIC_ENGINE -DOPENSSL_PIC -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5 -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DRC4_ASM -DMD5_ASM -DAES_ASM -DVPAES_ASM -DBSAES_ASM -DGHASH_ASM -DECP_NISTZ256_ASM -DPADLOCK_ASM -DPOLY1305_ASM -DOPENSSLDIR="\"/usr/local/ssl\"" -DENGINESDIR="\"/usr/local/lib/engines-1.1\""  -Wa,--noexecstack
OPENSSLDIR: "/usr/local/ssl"
ENGINESDIR: "/usr/local/lib/engines-1.1"

target is: websocket_app_ssl

and this is the ecf file

<?xml version="1.0" encoding="ISO-8859-1"?>
<target name="websocket_app">
<root class="APPLICATION_TODO" feature="make_and_launch"/>
<file_rule>
<exclude>/CVS$</exclude>
<exclude>/EIFGENs$</exclude>
<exclude>/\.svn$</exclude>
</file_rule>
<option warning="true" manifest_array_type="mismatch_warning">
<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
<warning name="obsolete_feature" enabled="false"/>
</option>
<setting name="console_application" value="true"/>
<capability>
<catcall_detection support="none"/>
<concurrency support="scoop" use="scoop"/>
<void_safety support="transitional" use="transitional"/>
</capability>
<library name="base" location="$ISE_LIBRARY\library\base\base.ecf"/>
<library name="cypress_consumer" location="$ISE_LIBRARY\contrib\library\web\authentication\oauth\cypress\consumer.ecf"/>
<library name="html" location="\home\anders\github_eiffel_liraries\html\html.ecf"/>
<library name="http" location="$ISE_LIBRARY\contrib\library\network\protocol\http\http.ecf"/>
<library name="http_client" location="$ISE_LIBRARY\contrib\library\network\http_client\http_client.ecf"/>
<library name="json" location="$ISE_LIBRARY\contrib\library\text\parser\json\library\json.ecf"/>
<library name="json_ext" location="\home\anders\github_eiffel_liraries\json_ext\json_ext.ecf" readonly="false"/>
<library name="net_ssl" location="$ISE_LIBRARY\unstable\library\network\socket\netssl\net_ssl.ecf"/>
<library name="standalone_websocket_connector" location="\home\anders\Eiffel_18.11\contrib\library\web\framework\ewf\wsf\connector\standalone_websocket-safe.ecf" readonly="false"/>
<library name="testing" location="$ISE_LIBRARY\library\testing\testing.ecf"/>
<library name="time" location="$ISE_LIBRARY\library\time\time.ecf"/>
<library name="wsf" location="\home\anders\Eiffel_18.11\contrib\library\web\framework\ewf\wsf\wsf-safe.ecf"/>
<cluster name="app" location=".\">
<tests name="unit_tests" location="\home\anders\git-repositories\Wunderlistreplacement\unit_tests\">
<uses group="app"/>
<uses group="base"/>
<uses group="testing"/>
<uses group="unit_tests"/>
<uses group="wsf"/>
</tests>
</cluster>
</target>
<target name="websocket_app_st" extends="websocket_app">
<description>Single thread solution. 
Warning: as it can not handle concurrent request, it is recommended to set Keep-Alive-Timeout to very low value, as browser will keep persistent connection open too long.</description>
<capability>
<concurrency support="scoop" use="none"/>
</capability>
</target>
<target name="websocket_app_ssl" extends="websocket_app">
<capability>
<catcall_detection support="none"/>
<concurrency support="scoop"/>
<void_safety support="transitional"/>
</capability>
<variable name="ssl_enabled" value="true"/>
</target>
</system>

JV

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Mar 14, 2019, 8:51:35 AM3/14/19
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Hi Anders, I've checked and everything looks good.
But now 18.04 provide the openssl package (https://packages.ubuntu.com/bionic/openssl)

So first check if you can find it
> apt-cache search libssl

Then, check if the package was installed

> tail /var/log/dpkg.log

Finally check the following and let me know what do you get?

>pkg-config --cflags openssl
>pkg-config --libs openssl

/Javier

Anders Persson

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Mar 14, 2019, 9:06:35 AM3/14/19
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On Thu, 14 Mar 2019 at 13:51, JV <javier...@gmail.com> wrote:
Hi Anders, I've checked and everything looks good.
But now 18.04 provide the openssl package (https://packages.ubuntu.com/bionic/openssl)

So first check if you can find it
> apt-cache search libssl

libssl-dev - Secure Sockets Layer toolkit - development files
libssl-doc - Secure Sockets Layer toolkit - development documentation
libssl1.0-dev - Secure Sockets Layer toolkit - development files
libssl1.0.0 - Secure Sockets Layer toolkit - shared libraries
libssl1.1 - Secure Sockets Layer toolkit - shared libraries
perl-openssl-defaults - version compatibility baseline for Perl OpenSSL packages
dcmtk - OFFIS DICOM toolkit command line utilities
libdcmtk-dev - OFFIS DICOM toolkit development libraries and headers
libdcmtk12 - OFFIS DICOM toolkit runtime libraries
cl-plus-ssl - Common Lisp interface to OpenSSL
dlang-openssl - D version of the C headers for openssl
libssl-ocaml - OCaml bindings for OpenSSL (runtime)
libssl-ocaml-dev - OCaml bindings for OpenSSL
libssl-utils-clojure - library for SSL certificate management on the JVM
r-cran-openssl - GNU R toolkit for encryption, signatures and certificates based on OpenSSL


 

Then, check if the package was installed

> tail /var/log/dpkg.log


2019-03-14 06:30:49 status unpacked libtiff5:amd64 4.0.9-5ubuntu0.2
2019-03-14 06:30:49 status half-configured libtiff5:amd64 4.0.9-5ubuntu0.2
2019-03-14 06:30:49 status installed libtiff5:amd64 4.0.9-5ubuntu0.2
2019-03-14 06:30:49 configure libtiff5:i386 4.0.9-5ubuntu0.2 <ingen>
2019-03-14 06:30:49 status unpacked libtiff5:i386 4.0.9-5ubuntu0.2
2019-03-14 06:30:49 status half-configured libtiff5:i386 4.0.9-5ubuntu0.2
2019-03-14 06:30:49 status installed libtiff5:i386 4.0.9-5ubuntu0.2
2019-03-14 06:30:49 trigproc libc-bin:amd64 2.27-3ubuntu1 <ingen>
2019-03-14 06:30:49 status half-configured libc-bin:amd64 2.27-3ubuntu1
2019-03-14 06:30:49 status installed libc-bin:amd64 2.27-3ubuntu1

 
Finally check the following and let me know what do you get?

>pkg-config --cflags openssl

-I/usr/local/include

 
>pkg-config --libs openssl

-L/usr/local/lib -lssl -lcrypto

 
Hi


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