Hey
> What I'm missing is a setting like 'gsm.auth-type'.
> Can anyone point me in the right direction?
In NetworkManager you configure what auth types you should NOT use; by
default all these are "no":
ppp.refuse-eap: no
ppp.refuse-pap: no
ppp.refuse-chap: no
ppp.refuse-mschap: no
ppp.refuse-mschapv2: no
The logic in NM converts those settings to MM allowed-auth bitmask:
if (nm_setting_ppp_get_noauth(s_ppp))
allowed_auth = MM_BEARER_ALLOWED_AUTH_NONE;
if (!nm_setting_ppp_get_refuse_pap(s_ppp))
allowed_auth |= MM_BEARER_ALLOWED_AUTH_PAP;
if (!nm_setting_ppp_get_refuse_chap(s_ppp))
allowed_auth |= MM_BEARER_ALLOWED_AUTH_CHAP;
if (!nm_setting_ppp_get_refuse_mschap(s_ppp))
allowed_auth |= MM_BEARER_ALLOWED_AUTH_MSCHAP;
if (!nm_setting_ppp_get_refuse_mschapv2(s_ppp))
allowed_auth |= MM_BEARER_ALLOWED_AUTH_MSCHAPV2;
if (!nm_setting_ppp_get_refuse_eap(s_ppp))
allowed_auth |= MM_BEARER_ALLOWED_AUTH_EAP;
And ModemManager converts the allowed auth bitmask into one single
value, choosing a "best" default from all the auth settings allowed by
NM:
if (bearer_auth == MM_BEARER_ALLOWED_AUTH_UNKNOWN) {
mm_obj_dbg (log_object, "using default (CHAP) authentication method");
return MBIM_AUTH_PROTOCOL_CHAP;
}
if (bearer_auth & MM_BEARER_ALLOWED_AUTH_CHAP)
return MBIM_AUTH_PROTOCOL_CHAP;
if (bearer_auth & MM_BEARER_ALLOWED_AUTH_PAP)
return MBIM_AUTH_PROTOCOL_PAP;
if (bearer_auth & MM_BEARER_ALLOWED_AUTH_MSCHAPV2)
return MBIM_AUTH_PROTOCOL_MSCHAPV2;
if (bearer_auth & MM_BEARER_ALLOWED_AUTH_NONE)
return MBIM_AUTH_PROTOCOL_NONE;
This logic is not perfect, yes... :/
If you want explicitly PAP, try to set ppp.refuse-chap to "yes" in the
NM settings.
--
Aleksander
https://aleksander.es
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