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dhcp: write DUID out to lease file if not already present

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Ensure that dhclient uses the administrator-specified or machine-id
generated DUID.
This commit is contained in:
Dan Williams 2013-02-13 10:48:54 -06:00
parent c0efef8c92
commit 1b1b4bd91c
1 changed files with 16 additions and 1 deletions
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17
src/dhcp-manager/nm-dhcp-dhclient.c
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@ -455,8 +455,9 @@ dhclient_start (NMDHCPClient *client,
GError *error = NULL;
const char *iface, *uuid, *system_bus_address;
char *binary_name, *cmd_str, *pid_file = NULL, *system_bus_address_env = NULL;
gboolean ipv6;
gboolean ipv6, success;
guint log_domain;
char *escaped;
g_return_val_if_fail (priv->pid_file == NULL, -1);
@ -489,6 +490,20 @@ dhclient_start (NMDHCPClient *client,
g_free (priv->lease_file);
priv->lease_file = get_dhclient_leasefile (iface, uuid, ipv6);
/* Save the DUID to the leasefile dhclient will actually use */
if (ipv6) {
escaped = nm_dhcp_dhclient_escape_duid (duid);
success = nm_dhcp_dhclient_save_duid (priv->lease_file, escaped, &error);
g_free (escaped);
if (!success) {
nm_log_warn (log_domain, "(%s): failed to save DUID to %s: (%d) %s.",
iface, priv->lease_file,
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
return -1;
}
}
argv = g_ptr_array_new ();
g_ptr_array_add (argv, (gpointer) priv->path);