[SR-Users] Kamailio fails to start when tls module parameter 'config' contains a folder name
leonid.fainshtein at xorcom.com
Wed Sep 30 17:35:42 CEST 2020
I am using Kamailio 5.4.1 installed from the packages on Ubuntu 18.04.
When I define 'modparam("tls", "config", "<folder>")', Kamailio fails to
ERROR: tls [tls_config.c:418]: tls_load_config(): cannot make tmp file
ERROR: <core> [core/sr_module.c:849]: init_mod(): Error while initializing
module tls (/usr/lib/x86_64-linux-gnu/kamailio/modules/tls.so)
I checked the tls_load_config() function and found that when a folder is
defined in the 'config' parameter, the function tries to open a temporary
file in the working directory. I believe that the working directory at that
point is the folder where Kamailio was started: /usr/sbin.
I succeeded to launch Kamailio in two ways:
Method 1: copy 'kamailio' to /tmp and modify kamalio.service accordingly.
This experiment result made me think that the working folder is the folder
where kamailio is started.
Method 2: add Kamailio command line parameter "-w /tmp"
(I also tried to define the Systemd 'WorkingDirectory' parameter but
it didn't have any effect.)
I think that the ultimate solution for this problem is to modify the
tls_load_config() function in such a way that it will open the temporary
file in a folder that is intended for the temporary files. For example, the
/tmp folder in Linux and *BSD systems. I guess that /tmp is a good place in
MacOS as well.
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