#define ADDRESSES_PER_LINK_MAX 2048U
#define STATIC_ADDRESSES_PER_NETWORK_MAX 1024U
+int generate_ipv6_eui_64_address(Link *link, struct in6_addr *ret) {
+ assert(link);
+ assert(ret);
+
+ /* see RFC4291 section 2.5.1 */
+ ret->s6_addr[8] = link->mac.ether_addr_octet[0];
+ ret->s6_addr[8] ^= 1 << 1;
+ ret->s6_addr[9] = link->mac.ether_addr_octet[1];
+ ret->s6_addr[10] = link->mac.ether_addr_octet[2];
+ ret->s6_addr[11] = 0xff;
+ ret->s6_addr[12] = 0xfe;
+ ret->s6_addr[13] = link->mac.ether_addr_octet[3];
+ ret->s6_addr[14] = link->mac.ether_addr_octet[4];
+ ret->s6_addr[15] = link->mac.ether_addr_octet[5];
+
+ return 0;
+}
+
int address_new(Address **ret) {
_cleanup_(address_freep) Address *address = NULL;
.cinfo.ifa_prefered = CACHE_INFO_INFINITY_LIFE_TIME,
.cinfo.ifa_valid = CACHE_INFO_INFINITY_LIFE_TIME,
.duplicate_address_detection = ADDRESS_FAMILY_IPV6,
+ .prefix_route = true,
};
*ret = TAKE_PTR(address);
if (address->link && !address->acd) {
set_remove(address->link->addresses, address);
set_remove(address->link->addresses_foreign, address);
+ set_remove(address->link->static_addresses, address);
+ if (address->link->dhcp_address == address)
+ address->link->dhcp_address = NULL;
+ if (address->link->dhcp_address_old == address)
+ address->link->dhcp_address_old = NULL;
+ set_remove(address->link->dhcp6_addresses, address);
+ set_remove(address->link->dhcp6_addresses_old, address);
+ set_remove(address->link->dhcp6_pd_addresses, address);
+ set_remove(address->link->dhcp6_pd_addresses_old, address);
+ set_remove(address->link->ndisc_addresses, address);
+ set_remove(address->link->ndisc_addresses_old, address);
if (in_addr_equal(AF_INET6, &address->in_addr, (const union in_addr_union *) &address->link->ipv6ll_address))
memzero(&address->link->ipv6ll_address, sizeof(struct in6_addr));
}
}
-DEFINE_PRIVATE_HASH_OPS(address_hash_ops, Address, address_hash_func, address_compare_func);
+DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(address_hash_ops, Address, address_hash_func, address_compare_func, address_free);
bool address_equal(Address *a1, Address *a2) {
if (a1 == a2)
/* Consider address tentative until we get the real flags from the kernel */
address->flags = IFA_F_TENTATIVE;
- r = set_ensure_allocated(addresses, &address_hash_ops);
- if (r < 0)
- return r;
-
- r = set_put(*addresses, address);
+ r = set_ensure_put(addresses, &address_hash_ops, address);
if (r < 0)
return r;
if (r == 0)
if (ret)
*ret = address;
-
- address = NULL;
-
+ TAKE_PTR(address);
return 0;
}
return r;
} else if (r == 0) {
/* Take over a foreign address */
- r = set_ensure_allocated(&link->addresses, &address_hash_ops);
- if (r < 0)
- return r;
-
- r = set_put(link->addresses, address);
+ r = set_ensure_put(&link->addresses, &address_hash_ops, address);
if (r < 0)
return r;
int r;
assert(address);
+ assert(address->link);
assert(cinfo);
- assert_return(address->link, 1);
-
- if (IN_SET(address->link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
ready = address_is_ready(address);
address->scope = scope;
address->cinfo = *cinfo;
+ if (IN_SET(address->link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
+ return 0;
+
link_update_operstate(address->link, true);
link_check_ready(address->link);
- if (!ready &&
- address_is_ready(address) &&
- address->family == AF_INET6 &&
- in_addr_is_link_local(AF_INET6, &address->in_addr) > 0 &&
- in_addr_is_null(AF_INET6, (const union in_addr_union*) &address->link->ipv6ll_address) > 0) {
+ if (!ready && address_is_ready(address)) {
+ if (address->callback) {
+ r = address->callback(address);
+ if (r < 0)
+ return r;
+ }
- r = link_ipv6ll_gained(address->link, &address->in_addr.in6);
- if (r < 0)
- return r;
+ if (address->family == AF_INET6 &&
+ in_addr_is_link_local(AF_INET6, &address->in_addr) > 0 &&
+ IN6_IS_ADDR_UNSPECIFIED(&address->link->ipv6ll_address) > 0) {
+
+ r = link_ipv6ll_gained(address->link, &address->in_addr.in6);
+ if (r < 0)
+ return r;
+ }
}
return 0;
return -ENOENT;
}
+static bool address_exists_internal(Set *addresses, int family, const union in_addr_union *in_addr) {
+ Address *address;
+ Iterator i;
+
+ SET_FOREACH(address, addresses, i) {
+ if (address->family != family)
+ continue;
+ if (in_addr_equal(address->family, &address->in_addr, in_addr))
+ return true;
+ }
+
+ return false;
+}
+
+bool address_exists(Link *link, int family, const union in_addr_union *in_addr) {
+ assert(link);
+ assert(IN_SET(family, AF_INET, AF_INET6));
+ assert(in_addr);
+
+ if (address_exists_internal(link->addresses, family, in_addr))
+ return true;
+ if (address_exists_internal(link->addresses_foreign, family, in_addr))
+ return true;
+ return false;
+}
+
static int address_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) {
int r;
r = sd_netlink_message_get_errno(m);
if (r < 0 && r != -EADDRNOTAVAIL)
log_link_message_warning_errno(link, m, r, "Could not drop address");
+ else
+ (void) manager_rtnl_process_address(rtnl, m, link->manager);
return 1;
}
Address *address,
Link *link,
link_netlink_message_handler_t callback,
- bool update) {
+ bool update,
+ Address **ret) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
+ Address *a;
int r;
assert(address);
if (r < 0)
return log_link_error_errno(link, r, "Failed to acquire an address from pool: %m");
+ if (DEBUG_LOGGING) {
+ _cleanup_free_ char *str = NULL;
+
+ (void) in_addr_to_string(address->family, &address->in_addr, &str);
+ log_link_debug(link, "%s address: %s", update ? "Updating" : "Configuring", strna(str));
+ }
+
if (update)
r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req,
link->ifindex, address->family);
if (address->manage_temporary_address)
address->flags |= IFA_F_MANAGETEMPADDR;
- if (address->prefix_route)
+ if (!address->prefix_route)
address->flags |= IFA_F_NOPREFIXROUTE;
if (address->autojoin)
link_ref(link);
if (address->family == AF_INET6 && !in_addr_is_null(address->family, &address->in_addr_peer))
- r = address_add(link, address->family, &address->in_addr_peer, address->prefixlen, NULL);
+ r = address_add(link, address->family, &address->in_addr_peer, address->prefixlen, &a);
else
- r = address_add(link, address->family, &address->in_addr, address->prefixlen, NULL);
+ r = address_add(link, address->family, &address->in_addr, address->prefixlen, &a);
if (r < 0) {
address_release(address);
return log_link_error_errno(link, r, "Could not add address: %m");
_cleanup_free_ char *pretty = NULL;
(void) in_addr_to_string(address->family, &address->in_addr, &pretty);
- log_debug("Starting IPv4ACD client. Probing address %s", strna(pretty));
+ log_link_debug(link, "Starting IPv4ACD client. Probing address %s", strna(pretty));
}
r = sd_ipv4acd_start(address->acd, true);
log_link_warning_errno(link, r, "Failed to start IPv4ACD client, ignoring: %m");
}
+ if (ret)
+ *ret = a;
+
return 1;
}
assert(data);
r = address_new_static(network, filename, section_line, &n);
- if (r < 0)
- return r;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to allocate new address, ignoring assignment: %m");
+ return 0;
+ }
if (n->family == AF_INET6) {
- log_syntax(unit, LOG_ERR, filename, line, 0,
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
"Broadcast is not valid for IPv6 addresses, ignoring assignment: %s", rvalue);
return 0;
}
r = in_addr_from_string(AF_INET, rvalue, (union in_addr_union*) &n->broadcast);
if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, r,
+ log_syntax(unit, LOG_WARNING, filename, line, r,
"Broadcast is invalid, ignoring assignment: %s", rvalue);
return 0;
}
r = address_new_static(network, NULL, 0, &n);
} else
r = address_new_static(network, filename, section_line, &n);
-
- if (r < 0)
- return r;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to allocate new address, ignoring assignment: %m");
+ return 0;
+ }
/* Address=address/prefixlen */
r = in_addr_prefix_from_string_auto_internal(rvalue, PREFIXLEN_REFUSE, &f, &buffer, &prefixlen);
if (r == -ENOANO) {
- log_syntax(unit, LOG_ERR, filename, line, r,
+ log_syntax(unit, LOG_WARNING, filename, line, r,
"An address '%s' is specified without prefix length. "
"The behavior of parsing addresses without prefix length will be changed in the future release. "
"Please specify prefix length explicitly.", rvalue);
r = in_addr_prefix_from_string_auto_internal(rvalue, PREFIXLEN_LEGACY, &f, &buffer, &prefixlen);
}
if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, r, "Invalid address '%s', ignoring assignment: %m", rvalue);
+ log_syntax(unit, LOG_WARNING, filename, line, r, "Invalid address '%s', ignoring assignment: %m", rvalue);
return 0;
}
if (n->family != AF_UNSPEC && f != n->family) {
- log_syntax(unit, LOG_ERR, filename, line, 0, "Address is incompatible, ignoring assignment: %s", rvalue);
+ log_syntax(unit, LOG_WARNING, filename, line, 0, "Address is incompatible, ignoring assignment: %s", rvalue);
return 0;
}
* let's limit the prefix length to 64 or larger. See RFC4193. */
if ((f == AF_INET && prefixlen < 8) ||
(f == AF_INET6 && prefixlen < 64)) {
- log_syntax(unit, LOG_ERR, filename, line, 0,
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
"Null address with invalid prefixlen='%u', ignoring assignment: %s",
prefixlen, rvalue);
return 0;
assert(data);
r = address_new_static(network, filename, section_line, &n);
- if (r < 0)
- return r;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to allocate new address, ignoring assignment: %m");
+ return 0;
+ }
if (!address_label_valid(rvalue)) {
- log_syntax(unit, LOG_ERR, filename, line, 0,
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
"Interface label is too long or invalid, ignoring assignment: %s", rvalue);
return 0;
}
void *userdata) {
Network *network = userdata;
_cleanup_(address_free_or_set_invalidp) Address *n = NULL;
- unsigned k;
+ uint32_t k;
int r;
assert(filename);
assert(data);
r = address_new_static(network, filename, section_line, &n);
- if (r < 0)
- return r;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to allocate new address, ignoring assignment: %m");
+ return 0;
+ }
- /* We accept only "forever", "infinity", or "0". */
- if (STR_IN_SET(rvalue, "forever", "infinity"))
+ /* We accept only "forever", "infinity", empty, or "0". */
+ if (STR_IN_SET(rvalue, "forever", "infinity", ""))
k = CACHE_INFO_INFINITY_LIFE_TIME;
else if (streq(rvalue, "0"))
k = 0;
else {
- log_syntax(unit, LOG_ERR, filename, line, 0,
+ log_syntax(unit, LOG_WARNING, filename, line, 0,
"Invalid PreferredLifetime= value, ignoring: %s", rvalue);
return 0;
}
n->cinfo.ifa_prefered = k;
- n = NULL;
+ TAKE_PTR(n);
return 0;
}
assert(data);
r = address_new_static(network, filename, section_line, &n);
- if (r < 0)
- return r;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to allocate new address, ignoring assignment: %m");
+ return 0;
+ }
r = parse_boolean(rvalue);
if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, r,
+ log_syntax(unit, LOG_WARNING, filename, line, r,
"Failed to parse %s=, ignoring: %s", lvalue, rvalue);
return 0;
}
else if (streq(lvalue, "ManageTemporaryAddress"))
n->manage_temporary_address = r;
else if (streq(lvalue, "PrefixRoute"))
+ n->prefix_route = !r;
+ else if (streq(lvalue, "AddPrefixRoute"))
n->prefix_route = r;
else if (streq(lvalue, "AutoJoin"))
n->autojoin = r;
assert(data);
r = address_new_static(network, filename, section_line, &n);
- if (r < 0)
- return r;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to allocate new address, ignoring assignment: %m");
+ return 0;
+ }
if (streq(rvalue, "host"))
n->scope = RT_SCOPE_HOST;
else {
r = safe_atou8(rvalue , &n->scope);
if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, r,
+ log_syntax(unit, LOG_WARNING, filename, line, r,
"Could not parse address scope \"%s\", ignoring assignment: %m", rvalue);
return 0;
}
}
+ n->scope_set = true;
n = NULL;
return 0;
}
assert(data);
r = address_new_static(network, filename, section_line, &n);
- if (r < 0)
- return r;
+ if (r == -ENOMEM)
+ return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_WARNING, filename, line, r,
+ "Failed to allocate new address, ignoring assignment: %m");
+ return 0;
+ }
r = parse_boolean(rvalue);
if (r >= 0) {
a = duplicate_address_detection_address_family_from_string(rvalue);
if (a < 0) {
- log_syntax(unit, LOG_ERR, filename, line, SYNTHETIC_ERRNO(EINVAL),
+ log_syntax(unit, LOG_WARNING, filename, line, SYNTHETIC_ERRNO(EINVAL),
"Failed to parse %s=, ignoring: %s", lvalue, rvalue);
return 0;
}
address->section->filename, address->section->line);
}
+ if (!address->scope_set && in_addr_is_localhost(address->family, &address->in_addr) > 0)
+ address->scope = RT_SCOPE_HOST;
+
return 0;
}
projects / thirdparty / systemd.git / blobdiff