static void
nm_cmd_line_add_int (NMCmdLine *cmd, int i)
{
char *str;
str = g_strdup_printf ("%d", i);
nm_cmd_line_add_string (cmd, str);
g_free (str);
}
static NMCmdLine *
create_dm_cmd_line (const char *iface,
NMIP4Config *ip4_config,
const char *pidfile,
GError **error)
{
const char *dm_binary;
NMCmdLine *cmd;
GString *s;
NMIP4Address *tmp;
struct in_addr addr;
char buf[INET_ADDRSTRLEN + 1];
char localaddr[INET_ADDRSTRLEN + 1];
dm_binary = nm_find_dnsmasq ();
if (!dm_binary) {
g_set_error (error, NM_DNSMASQ_MANAGER_ERROR, NM_DNSMASQ_MANAGER_ERROR_NOT_FOUND,
"Could not find dnsmasq binary.");
return NULL;
}
/* Find the IP4 address to use */
tmp = nm_ip4_config_get_address (ip4_config, 0);
/* Create dnsmasq command line */
cmd = nm_cmd_line_new ();
nm_cmd_line_add_string (cmd, dm_binary);
nm_cmd_line_add_string (cmd, "--no-hosts");
nm_cmd_line_add_string (cmd, "--keep-in-foreground");
nm_cmd_line_add_string (cmd, "--bind-interfaces");
nm_cmd_line_add_string (cmd, "--no-poll");
nm_cmd_line_add_string (cmd, "--except-interface=lo");
s = g_string_new ("--listen-address=");
addr.s_addr = nm_ip4_address_get_address (tmp);
if (!inet_ntop (AF_INET, &addr, &localaddr[0], INET_ADDRSTRLEN)) {
nm_warning ("%s: error converting IP4 address 0x%X",
__func__, ntohl (addr.s_addr));
goto error;
}
g_string_append (s, localaddr);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
s = g_string_new ("--dhcp-range=");
/* Add start of address range */
addr.s_addr = nm_ip4_address_get_address (tmp) + htonl (9);
if (!inet_ntop (AF_INET, &addr, &buf[0], INET_ADDRSTRLEN)) {
nm_warning ("%s: error converting IP4 address 0x%X",
__func__, ntohl (addr.s_addr));
goto error;
}
g_string_append (s, buf);
g_string_append_c (s, ',');
/* Add end of address range */
addr.s_addr = nm_ip4_address_get_address (tmp) + htonl (99);
if (!inet_ntop (AF_INET, &addr, &buf[0], INET_ADDRSTRLEN)) {
nm_warning ("%s: error converting IP4 address 0x%X",
__func__, ntohl (addr.s_addr));
goto error;
}
g_string_append (s, buf);
g_string_append (s, ",60m");
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
s = g_string_new ("--dhcp-option=option:router,");
g_string_append (s, localaddr);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
nm_cmd_line_add_string (cmd, "--dhcp-lease-max=50");
s = g_string_new ("--pid-file=");
g_string_append (s, pidfile);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
return cmd;
error:
nm_cmd_line_destroy (cmd);
return NULL;
}
static NMCmdLine *
create_pppd_cmd_line (NMPPPManager *self,
NMSettingPpp *setting,
NMSettingPppoe *pppoe,
NMSettingAdsl *adsl,
const char *ppp_name,
GError **err)
{
NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (self);
const char *pppd_binary = NULL;
NMCmdLine *cmd;
gboolean ppp_debug;
g_return_val_if_fail (setting != NULL, NULL);
pppd_binary = nm_utils_find_helper ("pppd", NULL, err);
if (!pppd_binary)
return NULL;
/* Create pppd command line */
cmd = nm_cmd_line_new ();
nm_cmd_line_add_string (cmd, pppd_binary);
nm_cmd_line_add_string (cmd, "nodetach");
nm_cmd_line_add_string (cmd, "lock");
/* NM handles setting the default route */
nm_cmd_line_add_string (cmd, "nodefaultroute");
/* Allow IPv6 to be configured by IPV6CP */
nm_cmd_line_add_string (cmd, "ipv6");
nm_cmd_line_add_string (cmd, ",");
ppp_debug = !!getenv ("NM_PPP_DEBUG");
if (nm_logging_enabled (LOGL_DEBUG, LOGD_PPP))
ppp_debug = TRUE;
if (ppp_debug)
nm_cmd_line_add_string (cmd, "debug");
if (ppp_name) {
nm_cmd_line_add_string (cmd, "user");
nm_cmd_line_add_string (cmd, ppp_name);
}
if (pppoe) {
char *dev_str;
const char *pppoe_service;
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, "rp-pppoe.so");
dev_str = g_strdup_printf ("nic-%s", priv->parent_iface);
nm_cmd_line_add_string (cmd, dev_str);
g_free (dev_str);
pppoe_service = nm_setting_pppoe_get_service (pppoe);
if (pppoe_service) {
nm_cmd_line_add_string (cmd, "rp_pppoe_service");
nm_cmd_line_add_string (cmd, pppoe_service);
}
} else if (adsl) {
const gchar *protocol = nm_setting_adsl_get_protocol (adsl);
if (!strcmp (protocol, NM_SETTING_ADSL_PROTOCOL_PPPOA)) {
guint32 vpi = nm_setting_adsl_get_vpi (adsl);
guint32 vci = nm_setting_adsl_get_vci (adsl);
const char *encaps = nm_setting_adsl_get_encapsulation (adsl);
gchar *vpivci;
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, "pppoatm.so");
vpivci = g_strdup_printf("%d.%d", vpi, vci);
nm_cmd_line_add_string (cmd, vpivci);
g_free (vpivci);
if (g_strcmp0 (encaps, NM_SETTING_ADSL_ENCAPSULATION_LLC) == 0)
nm_cmd_line_add_string (cmd, "llc-encaps");
else /*if (g_strcmp0 (encaps, NM_SETTING_ADSL_ENCAPSULATION_VCMUX) == 0)*/
nm_cmd_line_add_string (cmd, "vc-encaps");
} else if (!strcmp (protocol, NM_SETTING_ADSL_PROTOCOL_PPPOE)) {
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, "rp-pppoe.so");
nm_cmd_line_add_string (cmd, priv->parent_iface);
}
nm_cmd_line_add_string (cmd, "noipdefault");
} else {
nm_cmd_line_add_string (cmd, priv->parent_iface);
/* Don't send some random address as the local address */
nm_cmd_line_add_string (cmd, "noipdefault");
}
if (nm_setting_ppp_get_baud (setting))
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_baud (setting));
/* noauth by default, because we certainly don't have any information
* with which to verify anything the peer gives us if we ask it to
* authenticate itself, which is what 'auth' really means.
*/
nm_cmd_line_add_string (cmd, "noauth");
if (nm_setting_ppp_get_refuse_eap (setting))
nm_cmd_line_add_string (cmd, "refuse-eap");
if (nm_setting_ppp_get_refuse_pap (setting))
nm_cmd_line_add_string (cmd, "refuse-pap");
if (nm_setting_ppp_get_refuse_chap (setting))
nm_cmd_line_add_string (cmd, "refuse-chap");
if (nm_setting_ppp_get_refuse_mschap (setting))
nm_cmd_line_add_string (cmd, "refuse-mschap");
if (nm_setting_ppp_get_refuse_mschapv2 (setting))
nm_cmd_line_add_string (cmd, "refuse-mschap-v2");
if (nm_setting_ppp_get_nobsdcomp (setting))
nm_cmd_line_add_string (cmd, "nobsdcomp");
if (nm_setting_ppp_get_no_vj_comp (setting))
nm_cmd_line_add_string (cmd, "novj");
if (nm_setting_ppp_get_nodeflate (setting))
nm_cmd_line_add_string (cmd, "nodeflate");
if (nm_setting_ppp_get_require_mppe (setting))
nm_cmd_line_add_string (cmd, "require-mppe");
if (nm_setting_ppp_get_require_mppe_128 (setting))
nm_cmd_line_add_string (cmd, "require-mppe-128");
if (nm_setting_ppp_get_mppe_stateful (setting))
nm_cmd_line_add_string (cmd, "mppe-stateful");
if (nm_setting_ppp_get_crtscts (setting))
nm_cmd_line_add_string (cmd, "crtscts");
/* Always ask for DNS, we don't have to use them if the connection
* overrides the returned servers.
*/
nm_cmd_line_add_string (cmd, "usepeerdns");
if (nm_setting_ppp_get_mru (setting)) {
nm_cmd_line_add_string (cmd, "mru");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_mru (setting));
}
if (nm_setting_ppp_get_mtu (setting)) {
nm_cmd_line_add_string (cmd, "mtu");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_mtu (setting));
}
nm_cmd_line_add_string (cmd, "lcp-echo-failure");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_lcp_echo_failure (setting));
nm_cmd_line_add_string (cmd, "lcp-echo-interval");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_lcp_echo_interval (setting));
/* Avoid pppd to exit if no traffic going through */
nm_cmd_line_add_string (cmd, "idle");
nm_cmd_line_add_int (cmd, 0);
nm_cmd_line_add_string (cmd, "ipparam");
nm_cmd_line_add_string (cmd, nm_exported_object_get_path (NM_EXPORTED_OBJECT (self)));
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, NM_PPPD_PLUGIN);
return cmd;
}
static NMCmdLine *
create_dm_cmd_line (const char *iface,
NMIP4Config *ip4_config,
const char *pidfile,
GError **error)
{
NMCmdLine *cmd;
GString *s;
const NMPlatformIP4Address *tmp;
char first[INET_ADDRSTRLEN];
char last[INET_ADDRSTRLEN];
char localaddr[INET_ADDRSTRLEN];
char *error_desc = NULL;
const char *dm_binary;
dm_binary = nm_utils_find_helper ("dnsmasq", DNSMASQ_PATH, error);
if (!dm_binary)
return NULL;
/* Create dnsmasq command line */
cmd = nm_cmd_line_new ();
nm_cmd_line_add_string (cmd, dm_binary);
if (getenv ("NM_DNSMASQ_DEBUG")) {
nm_cmd_line_add_string (cmd, "--log-dhcp");
nm_cmd_line_add_string (cmd, "--log-queries");
}
/* dnsmasq may read from it's default config file location, which if that
* location is a valid config file, it will combine with the options here
* and cause undesirable side-effects. Like sending bogus IP addresses
* as the gateway or whatever. So tell dnsmasq not to use any config file
* at all.
*/
nm_cmd_line_add_string (cmd, "--conf-file");
nm_cmd_line_add_string (cmd, "--no-hosts");
nm_cmd_line_add_string (cmd, "--keep-in-foreground");
nm_cmd_line_add_string (cmd, "--bind-interfaces");
nm_cmd_line_add_string (cmd, "--except-interface=lo");
nm_cmd_line_add_string (cmd, "--clear-on-reload");
/* Use strict order since in the case of VPN connections, the VPN's
* nameservers will be first in resolv.conf, and those need to be tried
* first by dnsmasq to successfully resolve names from the VPN.
*/
nm_cmd_line_add_string (cmd, "--strict-order");
/* Find the IP4 address to use */
tmp = nm_ip4_config_get_address (ip4_config, 0);
s = g_string_new ("--listen-address=");
nm_utils_inet4_ntop (tmp->address, localaddr);
g_string_append (s, localaddr);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
if (!nm_dnsmasq_utils_get_range (tmp, first, last, &error_desc)) {
g_set_error_literal (error,
NM_MANAGER_ERROR,
NM_MANAGER_ERROR_FAILED,
error_desc);
nm_log_warn (LOGD_SHARING, "Failed to find DHCP address ranges: %s", error_desc);
g_free (error_desc);
nm_cmd_line_destroy (cmd);
return NULL;
}
s = g_string_new ("--dhcp-range=");
g_string_append_printf (s, "%s,%s,60m", first, last);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
s = g_string_new ("--dhcp-option=option:router,");
g_string_append (s, localaddr);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
nm_cmd_line_add_string (cmd, "--dhcp-lease-max=50");
s = g_string_new ("--pid-file=");
g_string_append (s, pidfile);
nm_cmd_line_add_string (cmd, s->str);
g_string_free (s, TRUE);
return cmd;
}
static NMCmdLine *
create_pppd_cmd_line (NMPPPManager *self,
NMSettingPPP *setting,
NMSettingPPPOE *pppoe,
const char *ppp_name,
GError **err)
{
NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (self);
const char *ppp_binary;
NMCmdLine *cmd;
gboolean ppp_debug;
g_return_val_if_fail (setting != NULL, NULL);
ppp_binary = nm_find_pppd ();
if (!ppp_binary) {
g_set_error (err, NM_PPP_MANAGER_ERROR, NM_PPP_MANAGER_ERROR,
"Could not find ppp binary.");
return NULL;
}
/* Create pppd command line */
cmd = nm_cmd_line_new ();
nm_cmd_line_add_string (cmd, ppp_binary);
nm_cmd_line_add_string (cmd, "nodetach");
nm_cmd_line_add_string (cmd, "lock");
/* NM handles setting the default route */
nm_cmd_line_add_string (cmd, "nodefaultroute");
ppp_debug = !!getenv ("NM_PPP_DEBUG");
if ( nm_logging_level_enabled (LOGL_DEBUG)
&& nm_logging_domain_enabled (LOGD_PPP))
ppp_debug = TRUE;
if (ppp_debug)
nm_cmd_line_add_string (cmd, "debug");
if (ppp_name) {
nm_cmd_line_add_string (cmd, "user");
nm_cmd_line_add_string (cmd, ppp_name);
}
if (pppoe) {
char *dev_str;
const char *pppoe_service;
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, "rp-pppoe.so");
dev_str = g_strdup_printf ("nic-%s", priv->parent_iface);
nm_cmd_line_add_string (cmd, dev_str);
g_free (dev_str);
pppoe_service = nm_setting_pppoe_get_service (pppoe);
if (pppoe_service) {
nm_cmd_line_add_string (cmd, "rp_pppoe_service");
nm_cmd_line_add_string (cmd, pppoe_service);
}
} else {
nm_cmd_line_add_string (cmd, priv->parent_iface);
/* Don't send some random address as the local address */
nm_cmd_line_add_string (cmd, "noipdefault");
}
if (nm_setting_ppp_get_baud (setting))
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_baud (setting));
/* noauth by default, because we certainly don't have any information
* with which to verify anything the peer gives us if we ask it to
* authenticate itself, which is what 'auth' really means.
*/
nm_cmd_line_add_string (cmd, "noauth");
if (nm_setting_ppp_get_refuse_eap (setting))
nm_cmd_line_add_string (cmd, "refuse-eap");
if (nm_setting_ppp_get_refuse_pap (setting))
nm_cmd_line_add_string (cmd, "refuse-pap");
if (nm_setting_ppp_get_refuse_chap (setting))
nm_cmd_line_add_string (cmd, "refuse-chap");
if (nm_setting_ppp_get_refuse_mschap (setting))
nm_cmd_line_add_string (cmd, "refuse-mschap");
if (nm_setting_ppp_get_refuse_mschapv2 (setting))
nm_cmd_line_add_string (cmd, "refuse-mschap-v2");
if (nm_setting_ppp_get_nobsdcomp (setting))
nm_cmd_line_add_string (cmd, "nobsdcomp");
if (nm_setting_ppp_get_no_vj_comp (setting))
nm_cmd_line_add_string (cmd, "novj");
if (nm_setting_ppp_get_nodeflate (setting))
nm_cmd_line_add_string (cmd, "nodeflate");
if (nm_setting_ppp_get_require_mppe (setting))
nm_cmd_line_add_string (cmd, "require-mppe");
if (nm_setting_ppp_get_require_mppe_128 (setting))
nm_cmd_line_add_string (cmd, "require-mppe-128");
if (nm_setting_ppp_get_mppe_stateful (setting))
nm_cmd_line_add_string (cmd, "mppe-stateful");
if (nm_setting_ppp_get_crtscts (setting))
nm_cmd_line_add_string (cmd, "crtscts");
/* Always ask for DNS, we don't have to use them if the connection
* overrides the returned servers.
*/
nm_cmd_line_add_string (cmd, "usepeerdns");
if (nm_setting_ppp_get_mru (setting)) {
nm_cmd_line_add_string (cmd, "mru");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_mru (setting));
}
if (nm_setting_ppp_get_mtu (setting)) {
nm_cmd_line_add_string (cmd, "mtu");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_mtu (setting));
}
nm_cmd_line_add_string (cmd, "lcp-echo-failure");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_lcp_echo_failure (setting));
nm_cmd_line_add_string (cmd, "lcp-echo-interval");
nm_cmd_line_add_int (cmd, nm_setting_ppp_get_lcp_echo_interval (setting));
nm_cmd_line_add_string (cmd, "ipparam");
nm_cmd_line_add_string (cmd, priv->dbus_path);
nm_cmd_line_add_string (cmd, "plugin");
nm_cmd_line_add_string (cmd, NM_PPPD_PLUGIN);
return cmd;
}