Solved Re: Error: Can't load SSL certificate

[Horst Simon]

I de-installed to supplied binaries of dovecot and openssl and build openssl and dovecot from source, this solved my problem.

> On 21 Mar 2023, at 00:38, Horst Simon <horst.simon2 at icloud.com> wrote:
> 
> The others are on openSUSE 15.4 and macOS, all are binary installs
> 
> Entware build options
> Build options: ioloop=epoll openssl io_block_size=8192
> SQL drivers: mysql
> Passdb: checkpassword ldap passwd passwd-file shadow sql
> Userdb: checkpassword ldap passwd prefetch passwd-file sql
> 
> macOS build options
> Build options: ioloop=kqueue notify=kqueue openssl io_block_size=8192
> SQL drivers: mysql
> Passdb: checkpassword pam passwd passwd-file sql
> Userdb: checkpassword passwd prefetch passwd-file sql
> 
> openSUSE build options
> Build options: ioloop=epoll notify=inotify openssl io_block_size=8192
> SQL driver plugins: mysql postgresql sqlite
> Passdb: checkpassword ldap pam passwd passwd-file shadow sql
> Userdb: checkpassword ldap(plugin) passwd prefetch passwd-file sql
> 
> The libz.so are for OpenSUSE and the QNap in the same directories withe the same permissions 
> The macOS does not have a libz.so, this dovecot was build by macports.
> 
> All servers are running dovecot with the same user accounts.
> 
> At the moment I will look into this issue later and will try to authenticate without using
> SSL.
> 
> On the MACs and openSUSE I authenticate using pam, the QNAP does not use pam
> so I want to authenticate using a local password file, but I have problems to set it up correctly
> 
> I have changed it 10-auth.conf to use auth-passwdfile.conf.ext and created a password file called userdb.
> I don’t know what else to change and what exactly should be in the userdb file.
> 
> The log only shows
> Mar 20 23:52:45 auth: Debug: auth client connected (pid=6966)
> Mar 20 23:52:45 imap-login: Info: Disconnected: Aborted login by logging out (no auth attempts in 0 secs): user=<>, rip=192.168.117.5, lip=192.168.117.2, session=<AhJNZ1T3GcDAqHUF>
> 
> I need to fix this first before I can enable SSL again.
> 
> Maybe I should open a new threat 
> Horst
> 
> 
>> 
>> My suggests to look for:
>> 
>> 1. Are your other servers setups installed from "Entware for QNAP" too?
>> 2. Do your other servers have libz.so* located under /opt/lib/ too?
>> 3. Did you compare owner and permissions of every libz.so* file between 
>> servers too?
>> 4. Are other servers running Dovecot with same user account?
>> 
>> 
>> El 20/3/23 a les 4:01, Horst Simon ha escrit:
>>> I try to logon to map using dovecot with SSL required. I get following 
>>> entries in the log:Mar 20 13:49:30 auth: Debug: Loading modules from 
>>> directory: /opt/lib/dovecot/modules/auth
>>> Mar 20 13:49:30 auth: Debug: Module loaded: 
>>> /opt/lib/dovecot/modules/auth/lib20_auth_var_expand_crypt.so
>>> Mar 20 13:49:30 auth: Debug: Read auth token secret from 
>>> /opt/var/run/dovecot/auth-token-secret.dat
>>> Mar 20 13:49:30 auth: Debug: passwd-file /opt/etc/dovecot/userdb:Read 1 
>>> users in 0 secs
>>> Mar 20 13:49:30 auth: Debug: auth client connected (pid=26120)
>>> Mar 20 13:49:30 imap-login: Error: Failed to initialize SSL server 
>>> context: Can't load SSL certificate (ssl_cert setting): 
>>> error:12800067:DSO support routines::could not load the shared library: 
>>> filename(libz.so): libz.so: cannot open shared object file: No such file 
>>> or directory, error:12800067:DSO support routines::could not load the 
>>> shared library: user=<>, rip=192.168.117.5, lip=192.168.117.2, 
>>> session=<eX3e+Uv3k8DAqHUF>
>>> Mar 20 13:49:30 imap-login: Info: Disconnected: TLS initialization 
>>> failed. (no auth attempts in 0 secs): user=<>, rip=192.168.117.5, 
>>> lip=192.168.117.2, session=<eX3e+Uv3k8DAqHUF
>>> 
>>> The library files exist in the include directory
>>> [/opt] # find . -name libz* -print
>>> 
>>> ./lib/opkg/info/libzstd.control
>>> 
>>> ./lib/opkg/info/libzstd.list
>>> 
>>> ./lib/libz.so
>>> 
>>> ./lib/libz.so.1
>>> 
>>> ./lib/libz.so.1.2.13
>>> 
>>> ./lib/libzstd.so
>>> 
>>> ./lib/libzstd.so.1
>>> 
>>> ./lib/libzstd.so.1.5.2
>>> 
>>> ./lib/libz.a
>>> 
>>> 
>>> Have the dovecot settings the same on other servers and it works, 
>>> Dovecot is v2.3.18, installed from Entware for QNAP. Any help?appreciated.
>>> 
>>> Horst
>>> 
>>> 
>>> 
>> 
>> -- 
>> 
>> Narcis Garcia
>> 
> 

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