d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi#include <net/if.h>

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi#include "networkd.h"

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi#include "networkd-link.h"

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi#include "utf8.h"

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi#include "util.h"

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi#include "conf-parser.h"

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi#include "network-internal.h"

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchistatic void address_init(Address *address) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address->family = AF_UNSPEC;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address->scope = RT_SCOPE_UNIVERSE;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address->cinfo.ifa_prefered = CACHE_INFO_INFINITY_LIFE_TIME;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address->cinfo.ifa_valid = CACHE_INFO_INFINITY_LIFE_TIME;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchiint address_new_static(Network *network, unsigned section, Address **ret) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_address_free_ Address *address = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (section) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address = hashmap_get(network->addresses_by_section, UINT_TO_PTR(section));

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi *ret = address;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address = new0(Address, 1);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!address)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return -ENOMEM;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address_init(address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address->network = network;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi LIST_PREPEND(addresses, network->static_addresses, address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (section) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address->section = section;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi hashmap_put(network->addresses_by_section,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi UINT_TO_PTR(address->section), address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi *ret = address;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchiint address_new_dynamic(Address **ret) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_address_free_ Address *address = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address = new0(Address, 1);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!address)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return -ENOMEM;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address_init(address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi *ret = address;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchivoid address_free(Address *address) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!address)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->network) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi LIST_REMOVE(addresses, address->network->static_addresses, address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->section)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi hashmap_remove(address->network->addresses_by_section,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi UINT_TO_PTR(address->section));

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi free(address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchiint address_drop(Address *address, Link *link,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi sd_rtnl_message_handler_t callback) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(address->family == AF_INET || address->family == AF_INET6);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->ifindex > 0);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->manager);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->manager->rtnl);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_DELADDR,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi link->ifindex, address->family);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not allocate RTM_DELADDR message: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not set prefixlen: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->family == AF_INET)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi else if (address->family == AF_INET6)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not send rtnetlink message: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi link_ref(link);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchiint address_update(Address *address, Link *link,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi sd_rtnl_message_handler_t callback) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(address->family == AF_INET || address->family == AF_INET6);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->ifindex > 0);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->manager);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->manager->rtnl);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi link->ifindex, address->family);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not set prefixlen: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not set flags: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_addr_set_scope(req, address->scope);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not set scope: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->family == AF_INET)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi else if (address->family == AF_INET6)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->family == AF_INET) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->label) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not send rtnetlink message: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi link_ref(link);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchistatic int address_acquire(Link *link, Address *original, Address **ret) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi union in_addr_union in_addr = {};

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi struct in_addr broadcast = {};

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_address_free_ Address *na = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(original);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(ret);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* Something useful was configured? just use it */

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (in_addr_is_null(original->family, &original->in_addr) <= 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* The address is configured to be 0.0.0.0 or [::] by the user?

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = manager_address_pool_acquire(link->manager, original->family, original->prefixlen, &in_addr);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_link_error(link, "Failed to acquire address from pool: %s", strerror(-r));

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r == 0) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_link_error(link, "Couldn't find free address for interface, all taken.");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return -EBUSY;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (original->family == AF_INET) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* Pick first address in range for ourselves ... */

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi in_addr.in.s_addr = in_addr.in.s_addr | htobe32(1);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* .. and use last as broadcast address */

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi broadcast.s_addr = in_addr.in.s_addr | htobe32(0xFFFFFFFFUL >> original->prefixlen);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi } else if (original->family == AF_INET6)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi in_addr.in6.s6_addr[15] |= 1;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = address_new_dynamic(&na);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi na->family = original->family;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi na->prefixlen = original->prefixlen;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi na->scope = original->scope;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi na->cinfo = original->cinfo;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (original->label) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi na->label = strdup(original->label);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!na->label)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return -ENOMEM;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi na->broadcast = broadcast;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi na->in_addr = in_addr;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi LIST_PREPEND(addresses, link->pool_addresses, na);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi *ret = na;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi na = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchiint address_configure(Address *address, Link *link,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi sd_rtnl_message_handler_t callback) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(address->family == AF_INET || address->family == AF_INET6);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->ifindex > 0);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->manager);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(link->manager->rtnl);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = address_acquire(link, address, &address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_NEWADDR,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi link->ifindex, address->family);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not set prefixlen: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not set flags: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_addr_set_scope(req, address->scope);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not set scope: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->family == AF_INET)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi else if (address->family == AF_INET6)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!in_addr_is_null(address->family, &address->in_addr_peer)) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->family == AF_INET)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in_addr(req, IFA_ADDRESS, &address->in_addr_peer.in);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi else if (address->family == AF_INET6)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in6_addr(req, IFA_ADDRESS, &address->in_addr_peer.in6);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_ADDRESS attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi } else {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->family == AF_INET) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (address->label) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi &address->cinfo);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_error_errno(r, "Could not send rtnetlink message: %m");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi link_ref(link);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchiint config_parse_broadcast(

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *unit,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *filename,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi unsigned line,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *section,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi unsigned section_line,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *lvalue,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int ltype,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *rvalue,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi void *data,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi void *userdata) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi Network *network = userdata;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_address_free_ Address *n = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(filename);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(section);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(lvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(rvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(data);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = address_new_static(network, section_line, &n);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (n->family == AF_INET6) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_syntax(unit, LOG_ERR, filename, line, EINVAL,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi "Broadcast is not valid for IPv6 addresses, ignoring assignment: %s", rvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = in_addr_from_string(AF_INET, rvalue, (union in_addr_union*) &n->broadcast);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_syntax(unit, LOG_ERR, filename, line, EINVAL,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi "Broadcast is invalid, ignoring assignment: %s", rvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n->family = AF_INET;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchiint config_parse_address(const char *unit,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *filename,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi unsigned line,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *section,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi unsigned section_line,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *lvalue,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int ltype,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *rvalue,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi void *data,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi void *userdata) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi Network *network = userdata;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_address_free_ Address *n = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *address, *e;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi union in_addr_union buffer;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int r, f;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(filename);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(section);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(lvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(rvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(data);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (streq(section, "Network")) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* we are not in an Address section, so treat

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi section_line = 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = address_new_static(network, section_line, &n);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* Address=address/prefixlen */

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* prefixlen */

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi e = strchr(rvalue, '/');

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (e) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi unsigned i;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = safe_atou(e + 1, &i);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_syntax(unit, LOG_ERR, filename, line, EINVAL,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi "Prefix length is invalid, ignoring assignment: %s", e + 1);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n->prefixlen = (unsigned char) i;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address = strndupa(rvalue, e - rvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi } else

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi address = rvalue;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = in_addr_from_string_auto(address, &f, &buffer);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_syntax(unit, LOG_ERR, filename, line, EINVAL,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi "Address is invalid, ignoring assignment: %s", address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!e && f == AF_INET) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = in_addr_default_prefixlen(&buffer.in, &n->prefixlen);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_syntax(unit, LOG_ERR, filename, line, EINVAL,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi "Prefix length not specified, and a default one can not be deduced for '%s', ignoring assignment", address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (n->family != AF_UNSPEC && f != n->family) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_syntax(unit, LOG_ERR, filename, line, EINVAL,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi "Address is incompatible, ignoring assignment: %s", address);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n->family = f;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (streq(lvalue, "Address"))

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n->in_addr = buffer;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi else

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n->in_addr_peer = buffer;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (n->family == AF_INET && n->broadcast.s_addr == 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n->broadcast.s_addr = n->in_addr.in.s_addr | htonl(0xfffffffflu >> n->prefixlen);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchiint config_parse_label(const char *unit,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *filename,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi unsigned line,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *section,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi unsigned section_line,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *lvalue,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int ltype,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi const char *rvalue,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi void *data,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi void *userdata) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi Network *network = userdata;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi _cleanup_address_free_ Address *n = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi char *label;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi int r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(filename);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(section);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(lvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(rvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert(data);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi r = address_new_static(network, section_line, &n);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (r < 0)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return r;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi label = strdup(rvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!label)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return log_oom();

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!ascii_is_valid(label) || strlen(label) >= IFNAMSIZ) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi log_syntax(unit, LOG_ERR, filename, line, EINVAL,

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi "Interface label is not ASCII clean or is too"

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi " long, ignoring assignment: %s", rvalue);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi free(label);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi free(n->label);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (*label)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n->label = label;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi else {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi free(label);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n->label = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi n = NULL;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return 0;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchibool address_equal(Address *a1, Address *a2) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* same object */

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (a1 == a2)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return true;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* one, but not both, is NULL */

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (!a1 || !a2)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return false;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (a1->family != a2->family)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return false;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi switch (a1->family) {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi /* use the same notion of equality as the kernel does */

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi case AF_UNSPEC:

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return true;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi case AF_INET:

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi if (a1->prefixlen != a2->prefixlen)

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return false;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi else {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi uint32_t b1, b2;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi b1 = be32toh(a1->in_addr.in.s_addr);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi b2 = be32toh(a2->in_addr.in.s_addr);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return (b1 >> (32 - a1->prefixlen)) == (b2 >> (32 - a1->prefixlen));

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi case AF_INET6:

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi {

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi uint64_t *b1, *b2;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi b1 = (uint64_t*)&a1->in_addr.in6;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi b2 = (uint64_t*)&a2->in_addr.in6;

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi return (((b1[0] ^ b2[0]) | (b1[1] ^ b2[1])) == 0UL);

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi default:

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi assert_not_reached("Invalid address family");

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi }

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi}

d14abf155341d55053c76eeec58b787a456b753bRobert Mustacchi