/* NetworkManager -- Network link manager * * Dan Williams * Dan Willemsen * Robert Paskowitz * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * (C) Copyright 2004 Red Hat, Inc. * (C) Copyright 2004 Dan Willemsen * (C) Copyright 2004 Robert Paskowitz */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include "NetworkManagerGeneric.h" #include "NetworkManagerSystem.h" #include "NetworkManagerUtils.h" #include "nm-device.h" #include "nm-device-802-3-ethernet.h" #include "nm-device-802-11-wireless.h" #include "nm-utils.h" #include "shvar.h" /* * nm_system_init * * Initializes the distribution-specific system backend * */ void nm_system_init (void) { nm_generic_init (); } /* * nm_system_device_flush_routes * * Flush all routes associated with a network device * */ void nm_system_device_flush_routes (NMDevice *dev) { nm_generic_device_flush_routes (dev); } /* * nm_system_device_flush_routes_with_iface * * Flush all routes associated with a network device * */ void nm_system_device_flush_routes_with_iface (const char *iface) { nm_generic_device_flush_routes_with_iface (iface); } /* * nm_system_device_has_active_routes * * Find out whether the specified device has any routes in the routing * table. * */ gboolean nm_system_device_has_active_routes (NMDevice *dev) { /* TODO */ return (FALSE); } /* * nm_system_device_flush_addresses * * Flush all network addresses associated with a network device * */ void nm_system_device_flush_addresses (NMDevice *dev) { nm_generic_device_flush_addresses (dev); } /* * nm_system_device_flush_addresses_with_iface * * Flush all network addresses associated with a network device * */ void nm_system_device_flush_addresses_with_iface (const char *iface) { nm_generic_device_flush_addresses_with_iface (iface); } #if 0 /* Alert other computers of our new address */ temp_addr.s_addr = addr; buf = g_strdup_printf ("/sbin/arping -q -A -c 1 -I %s %s", iface, inet_ntoa (temp_addr)); nm_spawn_process (buf); g_free (buf); g_usleep (G_USEC_PER_SEC * 2); buf = g_strdup_printf ("/sbin/arping -q -U -c 1 -I %s %s", iface, inet_ntoa (temp_addr)); nm_spawn_process (buf); g_free (buf); #endif /* * nm_system_device_add_route_via_device_with_iface * * Add route to the given device * */ void nm_system_device_add_route_via_device_with_iface (const char *iface, const char *route) { nm_generic_device_add_route_via_device_with_iface (iface, route); } /* * nm_system_enable_loopback * * Bring up the loopback interface * */ void nm_system_enable_loopback (void) { /* No need to run net.lo if it is already running */ if (nm_spawn_process ("/etc/init.d/net.lo status") != 0) nm_spawn_process("/etc/init.d/net.lo start"); } /* * nm_system_flush_loopback_routes * * Flush all routes associated with the loopback device, because it * sometimes gets the first route for ZeroConf/Link-Local traffic. * */ void nm_system_flush_loopback_routes (void) { nm_generic_flush_loopback_routes (); } /* * nm_system_delete_default_route * * Remove the old default route in preparation for a new one * */ void nm_system_delete_default_route (void) { nm_generic_delete_default_route (); } /* * nm_system_flush_arp_cache * * Flush all entries in the arp cache. * */ void nm_system_flush_arp_cache (void) { nm_generic_flush_arp_cache (); } /* * nm_system_kill_all_dhcp_daemons * * Kill all DHCP daemons currently running, done at startup * */ void nm_system_kill_all_dhcp_daemons (void) { /* TODO */ /* Tell dhcdbd to kill its dhclient instance */ } /* * nm_system_update_dns * * Make glibc/nscd aware of any changes to the resolv.conf file by * restarting nscd. Only restart if already running. * */ void nm_system_update_dns (void) { #ifdef NM_NO_NAMED if (nm_spawn_process ("/etc/init.d/nscd status") == 0) nm_spawn_process ("/etc/init.d/nscd restart"); #else nm_spawn_process("/usr/bin/killall -q nscd"); #endif } /* * nm_system_restart_mdns_responder * * Restart the multicast DNS responder so that it knows about new * network interfaces and IP addresses. * */ void nm_system_restart_mdns_responder (void) { #if MDNS_PROVIDER_AVAHI nm_info ("Restarting avahi-daemon"); if (g_file_test ("/var/run/avahi-daemon/pid", G_FILE_TEST_EXISTS)) { nm_spawn_process ("/etc/init.d/avahi-daemon restart"); } #elif MDNS_PROVIDER_HOWL if (g_file_text ("/var/run/mDNSResponder.pid", G_FILE_TEST_EXISTS)) { nm_info ("Restarting mDNSResponder"); nm_spawn_process ("/etc/init.d/mDNSResponder stop"); nm_spawn_process ("/etc/init.d/mDNSResponder zap"); nm_spawn_process ("/etc/init.d/mDNSResponder start"); } #elif MDNS_PROVIDER_BONJOUR if (g_file_test ("/var/run/mDNSResponderPosix.pid", G_FILE_TEST_EXISTS)) { nm_info ("Restarting mDNSResponderPosix"); nm_spawn_process ("/etc/init.d/mDNSResponderPosix restart"); } #else g_printerr("No mDNSResponder support enabled"); g_assert_not_reached(); #endif } /* * nm_system_device_add_ip6_link_address * * Add a default link-local IPv6 address to a device. * */ void nm_system_device_add_ip6_link_address (NMDevice *dev) { nm_generic_device_add_ip6_link_address (dev); } typedef struct GentooSystemConfigData { NMIP4Config * config; gboolean use_dhcp; } GentooSystemConfigData; /* * nm_system_device_get_system_config * * Retrieve any relevant configuration info for a particular device * from the system network configuration information. Clear out existing * info before setting stuff too. * */ void *nm_system_device_get_system_config (NMDevice *dev) { char *cfg_file_path = NULL; FILE *file = NULL; char buffer[100]; char confline[100], dhcpline[100], ipline[100]; int ipa, ipb, ipc, ipd; int nNext = 0, bNext = 0, count = 0; char *confToken; gboolean data_good = FALSE; gboolean use_dhcp = TRUE; GentooSystemConfigData *sys_data = NULL; guint32 ip4_address = 0; guint32 ip4_netmask = 0; guint32 ip4_gateway = 0; guint32 ip4_broadcast = 0; g_return_val_if_fail (dev != NULL, NULL); sys_data = g_malloc0 (sizeof (GentooSystemConfigData)); sys_data->config = nm_device_get_ip4_config(dev); /* We use DHCP on an interface unless told not to */ sys_data->use_dhcp = TRUE; nm_device_set_use_dhcp (dev, TRUE); // nm_ip4_config_set_address (sys_data->config, 0); // nm_ip4_config_set_gateway (sys_data->config, 0); // nm_ip4_config_set_netmask (sys_data->config, 0); /* Gentoo systems store this information in * /etc/conf.d/net, this is for all interfaces. */ cfg_file_path = g_strdup ("/etc/conf.d/net"); if (!cfg_file_path) { g_free (sys_data); return NULL; } if (!(file = fopen (cfg_file_path, "r"))) { g_free (cfg_file_path); g_free (sys_data); return NULL; } snprintf(confline, 100, "iface_%s", nm_device_get_iface (dev)); snprintf(dhcpline, 100, "iface_%s=\"dhcp\"", nm_device_get_iface (dev)); /* buffer is char[100], guess this fgets call was fairly wrong then? */ while (fgets (buffer, 100, file) && !feof (file)) { /* Kock off newline if any */ g_strstrip (buffer); if (strncmp (buffer, confline, strlen(confline)) == 0) { /* Make sure this config file is for this device */ if (strncmp (&buffer[strlen(confline) - strlen(nm_device_get_iface (dev))], nm_device_get_iface (dev), strlen(nm_device_get_iface (dev))) != 0) { nm_warning ("System config file '%s' does not define device '%s'\n", cfg_file_path, nm_device_get_iface (dev)); break; } else data_good = TRUE; if (strncmp (buffer, dhcpline, strlen(dhcpline)) == 0) { use_dhcp = TRUE; } else { use_dhcp = FALSE; confToken = strtok(&buffer[strlen(confline) + 2], " "); while (count < 3) { if (nNext == 1 && bNext == 1) { ip4_address = inet_addr (confToken); count++; continue; } if (strcmp(confToken, "netmask") == 0) { confToken = strtok(NULL, " "); ip4_netmask = inet_addr (confToken); count++; nNext = 1; } else if (strcmp(confToken, "broadcast") == 0) { confToken = strtok(NULL, " "); count++; bNext = 1; } else { ip4_address = inet_addr (confToken); count++; } confToken = strtok(NULL, " "); } } } /* If we aren't using dhcp, then try to get the gateway */ if (!use_dhcp) { snprintf(ipline, 100, "gateway=\"%s/", nm_device_get_iface (dev)); if (strncmp(buffer, ipline, strlen(ipline) - 1) == 0) { snprintf(ipline, 100, "gateway=\"%s/%%d.%%d.%%d.%%d\"", nm_device_get_iface (dev) ); sscanf(buffer, ipline, &ipa, &ipb, &ipc, &ipd); snprintf(ipline, 100, "%d.%d.%d.%d", ipa, ipb, ipc, ipd); ip4_gateway = inet_addr (ipline); } } } fclose (file); g_free (cfg_file_path); /* If successful, set values on the device */ if (data_good) { nm_warning("data good :-)"); nm_device_set_use_dhcp (dev, use_dhcp); if (ip4_address) nm_ip4_config_set_address (sys_data->config, ip4_address); if (ip4_gateway) nm_ip4_config_set_gateway (sys_data->config, ip4_gateway); if (ip4_netmask) nm_ip4_config_set_netmask (sys_data->config, ip4_netmask); if (ip4_broadcast) nm_ip4_config_set_broadcast (sys_data->config, ip4_broadcast); } return (void *)sys_data; } /* * nm_system_device_add_default_route_via_device * * Flush all routes associated with a network device * */ void nm_system_device_add_default_route_via_device (NMDevice *dev) { nm_generic_device_add_default_route_via_device (dev); } /* * nm_system_device_add_default_route_via_device_with_iface * * Add default route to the given device * */ void nm_system_device_add_default_route_via_device_with_iface (const char *iface) { nm_generic_device_add_default_route_via_device_with_iface (iface); } void nm_system_device_free_system_config (NMDevice *dev, void *system_config_data) { GentooSystemConfigData *sys_data = (GentooSystemConfigData *)system_config_data; g_return_if_fail (dev != NULL); g_return_if_fail(sys_data != NULL); if (sys_data->config) g_object_unref (sys_data->config); g_free (sys_data); } NMIP4Config *nm_system_device_new_ip4_system_config (NMDevice *dev) { GentooSystemConfigData *sys_data; NMIP4Config *new_config = NULL; g_return_val_if_fail (dev != NULL, NULL); if ((sys_data = nm_device_get_system_config_data (dev))) new_config = nm_ip4_config_copy (sys_data->config); return new_config; } gboolean nm_system_device_get_use_dhcp (NMDevice *dev) { GentooSystemConfigData *sys_data; g_return_val_if_fail (dev != NULL, TRUE); if ((sys_data = nm_device_get_system_config_data (dev))) return sys_data->use_dhcp; return TRUE; } /* * nm_system_device_get_disabled * * Return whether the distro-specific system config tells us to use * dhcp for this device. * */ gboolean nm_system_device_get_disabled (NMDevice *dev) { return FALSE; } void nm_system_deactivate_all_dialup (GSList *list) { } gboolean nm_system_deactivate_dialup (GSList *list, const char *dialup) { return FALSE; } gboolean nm_system_activate_dialup (GSList *list, const char *dialup) { return FALSE; } /* * nm_system_get_dialup_config * * Enumerate dial up options on this system, allocate NMDialUpConfig's, * fill them out, and return. * */ GSList * nm_system_get_dialup_config (void) { return NULL; } /* * nm_system_activate_nis * * set up the nis domain and write a yp.conf * */ void nm_system_activate_nis (NMIP4Config *config) { } /* * nm_system_shutdown_nis * * shutdown ypbind * */ void nm_system_shutdown_nis (void) { } /* * nm_system_set_hostname * * set the hostname * */ void nm_system_set_hostname (NMIP4Config *config) { } /* * nm_system_should_modify_resolv_conf * * Can NM update resolv.conf, or is it locked down? */ gboolean nm_system_should_modify_resolv_conf (void) { return TRUE; } /* * nm_system_get_mtu * * Return a user-provided or system-mandated MTU for this device or zero if * no such MTU is provided. */ guint32 nm_system_get_mtu (NMDevice *dev) { return 0; }