#include "sysinfo.h"
#include "platform.h"
#include "device-handler.h"
+#include "paths.h"
#define HWADDR_SIZE 6
#define PIDFILE_BASE (LOCAL_STATE_DIR "/petitboot/")
struct list_item list;
struct process *udhcpc_process;
struct discover_device *dev;
+ bool ready;
};
struct network {
"-f",
"-O", "pxeconffile",
"-O", "pxepathprefix",
+ "-O", "reboottime",
"-p", pidfile,
"-i", interface->name,
"-x", id, /* [11,12] - dhcp client identifier */
interface->hwaddr,
sizeof(interface->hwaddr)),
config->static_config.address);
+ device_handler_start_requery_timeout(network->handler,
+ interface->dev, -1);
}
return;
} else if (config->method == CONFIG_METHOD_STATIC) {
configure_interface_static(network, interface, config);
+ /* Nothing left to do for static interfaces */
+ pending_network_jobs_start();
}
interface->state = IFSTATE_CONFIGURED;
}
+void network_requery_device(struct network *network,
+ struct discover_device *dev)
+{
+ const struct interface_config *config;
+ struct interface *interface;
+
+ interface = find_interface_by_uuid(network, dev->uuid);
+ if (!interface)
+ return;
+
+ if (interface->udhcpc_process) {
+ interface->udhcpc_process->exit_cb = NULL;
+ interface->udhcpc_process->data = NULL;
+ process_stop_async(interface->udhcpc_process);
+ process_release(interface->udhcpc_process);
+ }
+
+ config = find_config_by_hwaddr(interface->hwaddr);
+
+ if (config && config->ignore)
+ return;
+
+ if (!config || config->method == CONFIG_METHOD_DHCP) {
+ /* Restart DHCP. Once we acquire a lease, we'll re-start
+ * the requery timeout (based on any reboottime DHCP option)
+ */
+ configure_interface_dhcp(network, interface);
+
+ } else if (config->method == CONFIG_METHOD_STATIC &&
+ config->static_config.url) {
+ /* Redownload statically-provided URL, and manually restart
+ * requery timeout */
+ device_handler_process_url(network->handler,
+ config->static_config.url,
+ mac_bytes_to_string(interface->dev,
+ interface->hwaddr,
+ sizeof(interface->hwaddr)),
+ config->static_config.address);
+ device_handler_start_requery_timeout(network->handler,
+ dev, -1);
+ }
+}
+
static int network_handle_nlmsg(struct network *network, struct nlmsghdr *nlmsg)
{
bool have_ifaddr, have_ifname;
- struct interface *interface;
+ struct interface *interface, *tmp;
struct ifinfomsg *info;
struct rtattr *attr;
unsigned int mtu;
uint8_t ifaddr[6];
- char ifname[IFNAMSIZ+1];
+ char ifname[IFNAMSIZ];
int attrlen, type;
case IFLA_IFNAME:
strncpy(ifname, data, IFNAMSIZ);
+ ifname[IFNAMSIZ - 1] = '\0';
have_ifname = true;
break;
interface->ifindex = info->ifi_index;
interface->state = IFSTATE_NEW;
memcpy(interface->hwaddr, ifaddr, sizeof(interface->hwaddr));
- strncpy(interface->name, ifname, sizeof(interface->name) - 1);
+ strncpy(interface->name, ifname, sizeof(interface->name));
+
+ list_for_each_entry(&network->interfaces, tmp, list)
+ if (memcmp(interface->hwaddr, tmp->hwaddr,
+ sizeof(interface->hwaddr)) == 0) {
+ pb_log("%s: %s has duplicate MAC address, ignoring\n",
+ __func__, interface->name);
+ talloc_free(interface);
+ return -1;
+ }
+
list_add(&network->interfaces, &interface->list);
create_interface_dev(network, interface);
}
/* A repeated RTM_NEWLINK can represent an interface name change */
if (strncmp(interface->name, ifname, IFNAMSIZ)) {
pb_debug("ifname update: %s -> %s\n", interface->name, ifname);
- strncpy(interface->name, ifname, sizeof(interface->name) - 1);
+ strncpy(interface->name, ifname, sizeof(interface->name));
talloc_free(interface->dev->device->id);
interface->dev->device->id =
talloc_strdup(interface->dev->device, ifname);
if (!interface->dev)
create_interface_dev(network, interface);
+ if (!interface->ready && strncmp(interface->name, "lo", strlen("lo"))) {
+ pb_log("%s not marked ready yet\n", interface->name);
+ return 0;
+ }
+
configure_interface(network, interface,
info->ifi_flags & IFF_UP,
info->ifi_flags & IFF_LOWER_UP);
return 0;
}
+void network_mark_interface_ready(struct device_handler *handler,
+ int ifindex, const char *ifname, uint8_t *mac, int hwsize)
+{
+ struct network *network = device_handler_get_network(handler);
+ struct interface *interface, *tmp = NULL;
+ char *macstr;
+
+ if (!network) {
+ pb_log("Network not ready - can not mark interface ready\n");
+ return;
+ }
+
+ if (hwsize != HWADDR_SIZE)
+ return;
+
+ if (strncmp(ifname, "lo", strlen("lo")) == 0)
+ return;
+
+ interface = find_interface_by_ifindex(network, ifindex);
+ if (!interface) {
+ pb_debug("Creating ready interface %d - %s\n",
+ ifindex, ifname);
+ interface = talloc_zero(network, struct interface);
+ interface->ifindex = ifindex;
+ interface->state = IFSTATE_NEW;
+ memcpy(interface->hwaddr, mac, HWADDR_SIZE);
+ strncpy(interface->name, ifname, sizeof(interface->name) - 1);
+
+ list_for_each_entry(&network->interfaces, tmp, list)
+ if (memcmp(interface->hwaddr, tmp->hwaddr,
+ sizeof(interface->hwaddr)) == 0) {
+ pb_log("%s: %s has duplicate MAC address, ignoring\n",
+ __func__, interface->name);
+ talloc_free(interface);
+ return;
+ }
+
+ list_add(&network->interfaces, &interface->list);
+ create_interface_dev(network, interface);
+ }
+
+ if (interface->ready) {
+ pb_log("%s already ready\n", interface->name);
+ return;
+ }
+
+ if (strncmp(interface->name, ifname, strlen(ifname)) != 0) {
+ pb_debug("ifname update from udev: %s -> %s\n", interface->name, ifname);
+ strncpy(interface->name, ifname, sizeof(interface->name) - 1);
+ talloc_free(interface->dev->device->id);
+ interface->dev->device->id =
+ talloc_strdup(interface->dev->device, ifname);
+ }
+
+ if (memcmp(interface->hwaddr, mac, HWADDR_SIZE) != 0) {
+ macstr = mac_bytes_to_string(interface, mac, hwsize);
+ pb_log("Warning - new MAC for interface %d does not match: %s\n",
+ ifindex, macstr);
+ talloc_free(macstr);
+ }
+
+ pb_log("Interface %s ready\n", ifname);
+ interface->ready = true;
+ configure_interface(network, interface, false, false);
+}
+
static int network_netlink_process(void *arg)
{
struct network *network = arg;