#include "NetworkManagerDevice.h"
+/* Hmm, not good form, but we don't have support
+ * for multiple files for each system-specific
+ * backend yet...
+ */
+#include "shvar.c"
+
+
/*
* nm_system_init
*
/*
- * nm_system_device_setup_ip_config
+ * nm_system_device_setup_static_ip4_config
*
* Set up the device with a particular IPv4 address/netmask/gateway.
*
+ * Returns: TRUE on success
+ * FALSE on error
+ *
*/
-void nm_system_device_setup_ip4_config (NMDevice *dev)
+gboolean nm_system_device_setup_static_ip4_config (NMDevice *dev)
{
- g_return_if_fail (dev != NULL);
- g_return_if_fail (!nm_device_config_get_use_dhcp (dev));
+#define IPBITS (sizeof (guint32) * 8)
+ struct in_addr temp_addr;
+ struct in_addr temp_addr2;
+ char *s_tmp;
+ char *s_tmp2;
+ int i;
+ guint32 addr;
+ guint32 netmask;
+ guint32 prefix = IPBITS; /* initialize with # bits in ip4 address */
+ guint32 broadcast;
+ char *buf;
+ int err;
+ char *iface;
+
+ g_return_val_if_fail (dev != NULL, FALSE);
+ g_return_val_if_fail (!nm_device_config_get_use_dhcp (dev), FALSE);
+
+ addr = nm_device_config_get_ip4_address (dev);
+ netmask = nm_device_config_get_ip4_netmask (dev);
+ iface = nm_device_get_iface (dev);
+
+ /* Calculate the prefix (# bits stripped off by the netmask) */
+ for (i = 0; i < IPBITS; i++)
+ {
+ if (!(ntohl (netmask) & ((2 << i) - 1)))
+ prefix--;
+ }
+
+ /* Calculate the broadcast address */
+ broadcast = ((addr & (int)netmask) | ~(int)netmask);
+
+ /* FIXME: what if some other device is already using our IP address? */
+
+ /* Set our IP address */
+ temp_addr.s_addr = addr;
+ temp_addr2.s_addr = broadcast;
+ s_tmp = g_strdup (inet_ntoa (temp_addr));
+ s_tmp2 = g_strdup (inet_ntoa (temp_addr2));
+ buf = g_strdup_printf ("/sbin/ip addr add %s/%d brd %s dev %s label %s", s_tmp, prefix, s_tmp2, iface, iface);
+ g_free (s_tmp);
+ g_free (s_tmp2);
+ if ((err = nm_spawn_process (buf)))
+ {
+ syslog (LOG_ERR, "Error: could not set network configuration for device '%s' using command:\n '%s'", iface, buf);
+ goto error;
+ }
+ g_free (buf);
+
+ /* 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);
+
+ /* Set the default route to be this device's gateway */
+ temp_addr.s_addr = nm_device_config_get_ip4_gateway (dev);
+ buf = g_strdup_printf ("/sbin/ip route replace default via %s dev %s", inet_ntoa (temp_addr), iface);
+ if ((err = nm_spawn_process (buf)))
+ {
+ syslog (LOG_ERR, "Error: could not set default route using command\n '%s'", buf);
+ goto error;
+ }
+ g_free (buf);
+ return (TRUE);
+
+error:
+ g_free (buf);
+ nm_system_device_flush_addresses (dev);
+ nm_system_device_flush_routes (dev);
+ return (FALSE);
}
void nm_system_enable_loopback (void)
{
nm_spawn_process ("/sbin/ip link set dev lo up");
- nm_spawn_process ("/sbin/ip addr add 127.0.0.1/8 brd 127.255.255.255 dev lo label loopback");
+ nm_spawn_process ("/sbin/ip addr add 127.0.0.1/8 brd 127.255.255.255 dev lo scope host label loopback");
}
void nm_system_device_update_config_info (NMDevice *dev)
{
char *cfg_file_path = NULL;
- FILE *file = NULL;
- char buffer[100];
- gboolean data_good = FALSE;
+ shvarFile *file;
+ char *buf = NULL;
gboolean use_dhcp = TRUE;
guint32 ip4_address = 0;
guint32 ip4_netmask = 0;
if (!cfg_file_path)
return;
- if (!(file = fopen (cfg_file_path, "r")))
+ if (!(file = svNewFile (cfg_file_path)))
{
g_free (cfg_file_path);
return;
}
+ g_free (cfg_file_path);
+
+ /* Make sure this config file is for this device */
+ buf = svGetValue (file, "DEVICE");
+ if (!buf || strcmp (buf, nm_device_get_iface (dev)))
+ {
+ free (buf);
+ goto out;
+ }
+
+ buf = svGetValue (file, "BOOTPROTO");
+ if (buf)
+ {
+ if (strcmp (buf, "dhcp"))
+ use_dhcp = FALSE;
+ free (buf);
+ }
+
+ buf = svGetValue (file, "IPADDR");
+ if (buf)
+ {
+ ip4_address = inet_addr (buf);
+ free (buf);
+ }
- while (fgets (buffer, 499, file) && !feof (file))
+ buf = svGetValue (file, "GATEWAY");
+ if (buf)
{
- /* Kock off newline if any */
- g_strstrip (buffer);
+ ip4_gateway = inet_addr (buf);
+ free (buf);
+ }
- if (strncmp (buffer, "DEVICE=", 7) == 0)
+ buf = svGetValue (file, "NETMASK");
+ if (buf)
+ {
+ ip4_netmask = inet_addr (buf);
+ free (buf);
+ }
+ else
+ {
+ /* Make a default netmask if we have an IP address */
+ if (ip4_address)
{
- /* Make sure this config file is for this device */
- if (strcmp (&buffer[7], nm_device_get_iface (dev)) != 0)
- {
- syslog (LOG_WARNING, "System config file '%s' was not actually for device '%s'\n",
- cfg_file_path, nm_device_get_iface (dev));
- break;
- }
+ if (((ntohl (ip4_address) & 0xFF000000) >> 24) <= 127)
+ ip4_netmask = htonl (0xFF000000);
+ else if (((ntohl (ip4_address) & 0xFF000000) >> 24) <= 191)
+ ip4_netmask = htonl (0xFFFF0000);
else
- data_good = TRUE;
+ ip4_netmask = htonl (0xFFFFFF00);
}
- else if (strncmp (buffer, "BOOTPROTO=dhcp", 14) == 0)
- use_dhcp = TRUE;
- else if (strncmp (buffer, "BOOTPROTO=none", 14) == 0)
- use_dhcp = FALSE;
- else if (strncmp (buffer, "IPADDR=", 7) == 0)
- ip4_address = inet_addr (&buffer[7]);
- else if (strncmp (buffer, "GATEWAY=", 8) == 0)
- ip4_gateway = inet_addr (&buffer[8]);
- else if (strncmp (buffer, "NETMASK=", 8) == 0)
- ip4_netmask = inet_addr (&buffer[8]);
}
- fclose (file);
- g_free (cfg_file_path);
- /* If successful, set values on the device */
- if (data_good)
+ if (!use_dhcp && (!ip4_address || !ip4_gateway || !ip4_netmask))
{
- nm_device_config_set_use_dhcp (dev, use_dhcp);
- if (ip4_address)
- nm_device_config_set_ip4_address (dev, ip4_address);
- if (ip4_gateway)
- nm_device_config_set_ip4_gateway (dev, ip4_gateway);
- if (ip4_netmask)
- nm_device_config_set_ip4_netmask (dev, ip4_netmask);
+ syslog (LOG_ERR, "Error: network configuration for device '%s' was invalid (non-DCHP configuration,"
+ " but no address/gateway specificed). Will use DHCP instead.\n", nm_device_get_iface (dev));
+ use_dhcp = TRUE;
}
+
+ /* If successful, set values on the device */
+ nm_device_config_set_use_dhcp (dev, use_dhcp);
+ if (ip4_address)
+ nm_device_config_set_ip4_address (dev, ip4_address);
+ if (ip4_gateway)
+ nm_device_config_set_ip4_gateway (dev, ip4_gateway);
+ if (ip4_netmask)
+ nm_device_config_set_ip4_netmask (dev, ip4_netmask);
+
+#if 0
+ syslog (LOG_DEBUG, "------ Config (%s)", nm_device_get_iface (dev));
+ syslog (LOG_DEBUG, " DHCP=%d\n", use_dhcp);
+ syslog (LOG_DEBUG, " ADDR=%d\n", ip4_address);
+ syslog (LOG_DEBUG, " GW=%d\n", ip4_gateway);
+ syslog (LOG_DEBUG, " NM=%d\n", ip4_netmask);
+ syslog (LOG_DEBUG, "---------------------\n");
+#endif
+
+out:
+ svCloseFile (file);
}
projects / NetworkManager.git / commitdiff