* plugins.d/mandos-client.c: Added --dh-params FILE option. (init_gnutls_global): New "dhparamsfilename" argument. All callers changed. Read and use Diffie-Hellman parameters from it. Bug fix: check for error when opening seckeyfile for the second time. (init_gnutls_session): Remove unnecessary call to gnutls_dh_set_prime_bits(); (main): New variable "dh_params_file". (main/argp_options): Added "--dh-params" option. (main/parse_opt): - '' - * plugins.d/mandos-client.xml (SYNOPSIS): Add --dh-params option. (OPTIONS): Document --dh-params option and document that the --dh-bits options is potentially overridden by the --dh-params option.