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modem: substitute known-good nameservers if PPP doesn't return any (lp:434477)

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Modem firmware PPP implementations suck.
This commit is contained in:
Dan Williams
2009-10-23 16:49:38 -07:00
parent bf8d3b027b
commit 294a5e3153
1 changed files with 8 additions and 5 deletions
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7
src/modem-manager/nm-modem.c
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@@ -126,6 +126,7 @@ ppp_ip4_config (NMPPPManager *ppp_manager,
guint32 good_dns1 = htonl (0x04020201); /* GTE nameserver */
guint32 bad_dns2 = htonl (0x0A0B0C0E);
guint32 good_dns2 = htonl (0x04020202); /* GTE nameserver */
gboolean dns_workaround = FALSE;
/* Ignore PPP IP4 events that come in after initial configuration */
if (nm_device_get_state (device) != NM_DEVICE_STATE_IP_CONFIG)
@@ -157,12 +158,14 @@ ppp_ip4_config (NMPPPManager *ppp_manager,
* could actually be valid in some cases, so only substitute if ppp
* returns *only* the two bad nameservers.
*/
if (found1 && found2) {
dns_workaround = (found1 && found2);
}
if (!num || dns_workaround) {
nm_ip4_config_reset_nameservers (config);
nm_ip4_config_add_nameserver (config, good_dns1);
nm_ip4_config_add_nameserver (config, good_dns2);
}
}
nm_device_set_ip_iface (device, iface);
NM_MODEM_GET_PRIVATE (device)->pending_ip4_config = g_object_ref (config);