libconnsettings.so.0.0.0 exposes an API that is in turn used by libconninet.so.0.0.0. That is in turn used by libQtBearer.so.1.0.2.

libQtBearer.so.1.0.2 references the following gconf keys:
/system/osso/connectivity/IAP/%s/name
/system/osso/connectivity/IAP/%s/type
/system/osso/connectivity/IAP/%s/temporary
/system/osso/connectivity/IAP/%s/wlan_security
/system/osso/connectivity/IAP/%s/EAP_wpa2_only_mode
/system/osso/connectivity/IAP/%s/wlan_ssid

libconnui.so.0.0.0 references:
/system/osso/connectivity/IAP/%s/name
/system/osso/connectivity/IAP/%s/type
/system/osso/connectivity/IAP/%s/temporary
/system/osso/connectivity/IAP/%s/wlan_ssid
/system/osso/connectivity/IAP/wlan_tx_power

libconnui_iapsettings.so.0.0.0 references:
/system/osso/connectivity/IAP/%s/type
/system/osso/connectivity/IAP/%s/temporary
/system/osso/connectivity/IAP/wlan_tx_power
/system/osso/connectivity/IAP/%s/EAP_GTC_identity
/system/osso/connectivity/IAP/%s/EAP_MSCHAPV2_password
/system/osso/connectivity/IAP/%s/EAP_MSCHAPV2_username
/system/osso/connectivity/IAP/%s/EAP_TLS_PEAP_client_certificate_file
/system/osso/connectivity/IAP/%s/EAP_default_type
/system/osso/connectivity/IAP/%s/EAP_wpa_preshared_passphrase
/system/osso/connectivity/IAP/%s/PEAP_tunneled_eap_type
/system/osso/connectivity/IAP/%s/ipv4_address
/system/osso/connectivity/IAP/%s/ipv4_autodns
/system/osso/connectivity/IAP/%s/ipv4_dns1
/system/osso/connectivity/IAP/%s/ipv4_dns2
/system/osso/connectivity/IAP/%s/ipv4_gateway
/system/osso/connectivity/IAP/%s/ipv4_netmask
/system/osso/connectivity/IAP/%s/ipv4_type
/system/osso/connectivity/IAP/%s/wlan_security
/system/osso/connectivity/IAP/%s/wlan_ssid
/system/osso/connectivity/IAP/%s/wlan_hidden
/system/osso/connectivity/IAP/%s/wlan_wepkey1

libiap_dialog_password.so references:
/system/osso/connectivity/IAP/%s/type
/system/osso/connectivity/IAP/%s/EAP_MSCHAPV2_password_prompt
/system/osso/connectivity/IAP/%s/EAP_MSCHAPV2_password
/system/osso/connectivity/IAP/%s/EAP_MSCHAPV2_username

libiap_dialog_others.so references:
/system/osso/connectivity/IAP/%s/EAP_wpa_preshared_key
/system/osso/connectivity/IAP/%s/EAP_wpa_preshared_passphrase

libiap_dialog_wps.so references:
/system/osso/connectivity/IAP/%s/EAP_SIMPLE_CONFIG_device_password

libiap_wizard_wlan.so references:
/system/osso/connectivity/IAP/wlan_tx_power

libicd_policy_any.so references:
/system/osso/connectivity/IAP/%s/type

libicd_settings.so.1.0.0 references:
/system/osso/connectivity/IAP/%s/type

libqicdbearer.so references:
/system/osso/connectivity/IAP/%s/name
/system/osso/connectivity/IAP/%s/type
/system/osso/connectivity/IAP/%s/temporary
/system/osso/connectivity/IAP/%s/EAP_wpa2_only_mode
/system/osso/connectivity/IAP/%s/wlan_ssid
/system/osso/connectivity/IAP/%s/wlan_security

libQtNetwork.so.4.7.0 references:
/system/osso/connectivity/IAP/%s/name

Unless I missed something (which is entirely possible) that should be details of everything in gconf that might be relavent for replacing the WiFi stack.

Coming up next, some more dbus information: