74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <net/if.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "sd-network.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering

b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include "alloc-util.h"

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering#include "missing.h"

6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "parse-util.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "resolved-link.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "string-util.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "strv.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringint link_new(Manager *m, Link **ret, int ifindex) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering _cleanup_(link_freep) Link *l = NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(m);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(ifindex > 0);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt r = hashmap_ensure_allocated(&m->links, NULL);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l = new0(Link, 1);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!l)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l->ifindex = ifindex;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering l->llmnr_support = SUPPORT_YES;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = hashmap_put(m->links, INT_TO_PTR(ifindex), l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l->manager = m;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (ret)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering *ret = l;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l = NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart PoetteringLink *link_free(Link *l) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!l)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering dns_server_unlink_marked(l->dns_servers);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering dns_search_domain_unlink_all(l->search_domains);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering while (l->addresses)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering link_address_free(l->addresses);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (l->manager)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering hashmap_remove(l->manager->links, INT_TO_PTR(l->ifindex));

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering dns_scope_free(l->unicast_scope);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering dns_scope_free(l->llmnr_ipv4_scope);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering dns_scope_free(l->llmnr_ipv6_scope);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return NULL;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering}

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic void link_allocate_scopes(Link *l) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering int r;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering assert(l);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

6073b6f26ab9fc6bf335faa7073ec443eef093fdTom Gundersen if (l->dns_servers) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (!l->unicast_scope) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering r = dns_scope_new(l->manager, &l->unicast_scope, l, DNS_PROTOCOL_DNS, AF_UNSPEC);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (r < 0)

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to allocate DNS scope: %m");

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering }

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering } else

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering l->unicast_scope = dns_scope_free(l->unicast_scope);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering if (link_relevant(l, AF_INET) &&

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering l->llmnr_support != SUPPORT_NO &&

db97a66aa69925f7403ba3c433e86320d136567dLennart Poettering l->manager->llmnr_support != SUPPORT_NO) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (!l->llmnr_ipv4_scope) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering r = dns_scope_new(l->manager, &l->llmnr_ipv4_scope, l, DNS_PROTOCOL_LLMNR, AF_INET);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (r < 0)

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to allocate LLMNR IPv4 scope: %m");

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering }

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering } else

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering l->llmnr_ipv4_scope = dns_scope_free(l->llmnr_ipv4_scope);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering if (link_relevant(l, AF_INET6) &&

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering l->llmnr_support != SUPPORT_NO &&

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering l->manager->llmnr_support != SUPPORT_NO &&

db97a66aa69925f7403ba3c433e86320d136567dLennart Poettering socket_ipv6_is_supported()) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (!l->llmnr_ipv6_scope) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering r = dns_scope_new(l->manager, &l->llmnr_ipv6_scope, l, DNS_PROTOCOL_LLMNR, AF_INET6);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (r < 0)

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to allocate LLMNR IPv6 scope: %m");

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering }

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering } else

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering l->llmnr_ipv6_scope = dns_scope_free(l->llmnr_ipv6_scope);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poetteringvoid link_add_rrs(Link *l, bool force_remove) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering LinkAddress *a;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering LIST_FOREACH(addresses, a, l->addresses)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering link_address_add_rrs(a, force_remove);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering}

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersenint link_update_rtnl(Link *l, sd_netlink_message *m) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering const char *n = NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(m);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = sd_rtnl_message_link_get_flags(m, &l->flags);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen sd_netlink_message_read_u32(m, IFLA_MTU, &l->mtu);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen if (sd_netlink_message_read_string(m, IFLA_IFNAME, &n) >= 0) {

cc7844e78751916acb639443c119763cafe2c684Lennart Poettering strncpy(l->name, n, sizeof(l->name)-1);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering char_array_0(l->name);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering }

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering link_allocate_scopes(l);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering link_add_rrs(l, false);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

6073b6f26ab9fc6bf335faa7073ec443eef093fdTom Gundersenstatic int link_update_dns_servers(Link *l) {

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen _cleanup_strv_free_ char **nameservers = NULL;

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen char **nameserver;

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen int r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

d6731e4c7964ee2860d4f5abdb0b52acd7a66960Tom Gundersen r = sd_network_link_get_dns(l->ifindex, &nameservers);

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen if (r < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering goto clear;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering dns_server_mark_all(l->dns_servers);

5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen STRV_FOREACH(nameserver, nameservers) {

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen union in_addr_union a;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering DnsServer *s;

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen int family;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen r = in_addr_from_string_auto(*nameserver, &family, &a);

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen if (r < 0)

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen goto clear;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering s = dns_server_find(l->dns_servers, family, &a);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (s)

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering dns_server_move_back_and_unmark(s);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else {

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, family, &a);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering goto clear;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering dns_server_unlink_marked(l->dns_servers);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringclear:

4b95f1798f22c1bb75295f448188560cb6ec9eceLennart Poettering dns_server_unlink_all(l->dns_servers);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poetteringstatic int link_update_llmnr_support(Link *l) {

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering _cleanup_free_ char *b = NULL;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering int r;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering assert(l);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

d6731e4c7964ee2860d4f5abdb0b52acd7a66960Tom Gundersen r = sd_network_link_get_llmnr(l->ifindex, &b);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering if (r < 0)

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering goto clear;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering r = parse_boolean(b);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering if (r < 0) {

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering if (streq(b, "resolve"))

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering l->llmnr_support = SUPPORT_RESOLVE;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering else

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering goto clear;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering } else if (r > 0)

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering l->llmnr_support = SUPPORT_YES;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering else

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering l->llmnr_support = SUPPORT_NO;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering return 0;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poetteringclear:

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering l->llmnr_support = SUPPORT_YES;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering return r;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering}

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poetteringstatic int link_update_search_domains(Link *l) {

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering _cleanup_strv_free_ char **domains = NULL;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering char **i;

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen int r;

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering assert(l);

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering r = sd_network_link_get_domains(l->ifindex, &domains);

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen if (r < 0)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering goto clear;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering dns_search_domain_mark_all(l->search_domains);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering STRV_FOREACH(i, domains) {

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering DnsSearchDomain *d;

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering r = dns_search_domain_find(l->search_domains, *i, &d);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (r < 0)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering goto clear;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (r > 0)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering dns_search_domain_move_back_and_unmark(d);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering else {

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering r = dns_search_domain_new(l->manager, NULL, DNS_SEARCH_DOMAIN_LINK, l, *i);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (r < 0)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering goto clear;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering }

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering }

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering dns_search_domain_unlink_marked(l->search_domains);

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen return 0;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poetteringclear:

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering dns_search_domain_unlink_all(l->search_domains);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering return r;

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen}

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringint link_update_monitor(Link *l) {

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering int r;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

6073b6f26ab9fc6bf335faa7073ec443eef093fdTom Gundersen link_update_dns_servers(l);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering link_update_llmnr_support(l);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering link_allocate_scopes(l);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering r = link_update_search_domains(l);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (r < 0)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering log_warning_errno(r, "Failed to read search domains for interface %s, ignoring: %m", l->name);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering link_add_rrs(l, false);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

0dd25fb9f005d8ab7ac4bc10a609d00569f8c56aLennart Poetteringbool link_relevant(Link *l, int family) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering _cleanup_free_ char *state = NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering LinkAddress *a;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering /* A link is relevant if it isn't a loopback or pointopoint

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (l->flags & (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_DORMANT))

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering return false;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if ((l->flags & (IFF_UP|IFF_LOWER_UP|IFF_MULTICAST)) != (IFF_UP|IFF_LOWER_UP|IFF_MULTICAST))

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return false;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

d6731e4c7964ee2860d4f5abdb0b52acd7a66960Tom Gundersen sd_network_link_get_operational_state(l->ifindex, &state);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (state && !STR_IN_SET(state, "unknown", "degraded", "routable"))

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return false;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering LIST_FOREACH(addresses, a, l->addresses)

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (a->family == family && link_address_relevant(a))

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return true;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return false;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart PoetteringLinkAddress *link_find_address(Link *l, int family, const union in_addr_union *in_addr) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering LinkAddress *a;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering LIST_FOREACH(addresses, a, l->addresses)

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (a->family == family && in_addr_equal(family, &a->in_addr, in_addr))

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return a;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

2c27fbca2d88214bd305272308a370a962818f1eLennart PoetteringDnsServer* link_set_dns_server(Link *l, DnsServer *s) {

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering assert(l);

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering if (l->current_dns_server == s)

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering return s;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering if (s) {

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering _cleanup_free_ char *ip = NULL;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering in_addr_to_string(s->family, &s->address, &ip);

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_info("Switching to DNS server %s for interface %s.", strna(ip), l->name);

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering }

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering dns_server_unref(l->current_dns_server);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering l->current_dns_server = dns_server_ref(s);

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering if (l->unicast_scope)

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering dns_cache_flush(&l->unicast_scope->cache);

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering return s;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering}

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart PoetteringDnsServer *link_get_dns_server(Link *l) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!l->current_dns_server)

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering link_set_dns_server(l, l->dns_servers);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return l->current_dns_server;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringvoid link_next_dns_server(Link *l) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!l->current_dns_server)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering /* Change to the next one, but make sure to follow the linked

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering if (l->current_dns_server->linked && l->current_dns_server->servers_next) {

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering link_set_dns_server(l, l->current_dns_server->servers_next);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering link_set_dns_server(l, l->dns_servers);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poetteringint link_address_new(Link *l, LinkAddress **ret, int family, const union in_addr_union *in_addr) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering LinkAddress *a;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(l);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(in_addr);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering a = new0(LinkAddress, 1);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!a)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering a->family = family;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering a->in_addr = *in_addr;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering a->link = l;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering LIST_PREPEND(addresses, l->addresses, a);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (ret)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering *ret = a;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart PoetteringLinkAddress *link_address_free(LinkAddress *a) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!a)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (a->link) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering LIST_REMOVE(addresses, a->link->addresses, a);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (a->llmnr_address_rr) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (a->family == AF_INET && a->link->llmnr_ipv4_scope)

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering dns_zone_remove_rr(&a->link->llmnr_ipv4_scope->zone, a->llmnr_address_rr);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering else if (a->family == AF_INET6 && a->link->llmnr_ipv6_scope)

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering dns_zone_remove_rr(&a->link->llmnr_ipv6_scope->zone, a->llmnr_address_rr);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (a->llmnr_ptr_rr) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (a->family == AF_INET && a->link->llmnr_ipv4_scope)

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering dns_zone_remove_rr(&a->link->llmnr_ipv4_scope->zone, a->llmnr_ptr_rr);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering else if (a->family == AF_INET6 && a->link->llmnr_ipv6_scope)

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering dns_zone_remove_rr(&a->link->llmnr_ipv6_scope->zone, a->llmnr_ptr_rr);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering dns_resource_record_unref(a->llmnr_address_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering dns_resource_record_unref(a->llmnr_ptr_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(a);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poetteringvoid link_address_add_rrs(LinkAddress *a, bool force_remove) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering int r;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering assert(a);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->family == AF_INET) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering if (!force_remove &&

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering link_address_relevant(a) &&

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering a->link->llmnr_ipv4_scope &&

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering a->link->llmnr_support == SUPPORT_YES &&

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering a->link->manager->llmnr_support == SUPPORT_YES) {

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering if (!a->link->manager->llmnr_host_ipv4_key) {

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering a->link->manager->llmnr_host_ipv4_key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_A, a->link->manager->llmnr_hostname);

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering if (!a->link->manager->llmnr_host_ipv4_key) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = -ENOMEM;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering goto fail;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (!a->llmnr_address_rr) {

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering a->llmnr_address_rr = dns_resource_record_new(a->link->manager->llmnr_host_ipv4_key);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (!a->llmnr_address_rr) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = -ENOMEM;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering goto fail;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_address_rr->a.in_addr = a->in_addr.in;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_address_rr->ttl = LLMNR_DEFAULT_TTL;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (!a->llmnr_ptr_rr) {

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering r = dns_resource_record_new_reverse(&a->llmnr_ptr_rr, a->family, &a->in_addr, a->link->manager->llmnr_hostname);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (r < 0)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering goto fail;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_ptr_rr->ttl = LLMNR_DEFAULT_TTL;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = dns_zone_put(&a->link->llmnr_ipv4_scope->zone, a->link->llmnr_ipv4_scope, a->llmnr_address_rr, true);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (r < 0)

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to add A record to LLMNR zone: %m");

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = dns_zone_put(&a->link->llmnr_ipv4_scope->zone, a->link->llmnr_ipv4_scope, a->llmnr_ptr_rr, false);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (r < 0)

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to add IPv6 PTR record to LLMNR zone: %m");

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering } else {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->llmnr_address_rr) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->link->llmnr_ipv4_scope)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering dns_zone_remove_rr(&a->link->llmnr_ipv4_scope->zone, a->llmnr_address_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_address_rr = dns_resource_record_unref(a->llmnr_address_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->llmnr_ptr_rr) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->link->llmnr_ipv4_scope)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering dns_zone_remove_rr(&a->link->llmnr_ipv4_scope->zone, a->llmnr_ptr_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_ptr_rr = dns_resource_record_unref(a->llmnr_ptr_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->family == AF_INET6) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering if (!force_remove &&

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering link_address_relevant(a) &&

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering a->link->llmnr_ipv6_scope &&

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering a->link->llmnr_support == SUPPORT_YES &&

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering a->link->manager->llmnr_support == SUPPORT_YES) {

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering if (!a->link->manager->llmnr_host_ipv6_key) {

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering a->link->manager->llmnr_host_ipv6_key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_AAAA, a->link->manager->llmnr_hostname);

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering if (!a->link->manager->llmnr_host_ipv6_key) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = -ENOMEM;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering goto fail;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (!a->llmnr_address_rr) {

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering a->llmnr_address_rr = dns_resource_record_new(a->link->manager->llmnr_host_ipv6_key);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (!a->llmnr_address_rr) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = -ENOMEM;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering goto fail;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_address_rr->aaaa.in6_addr = a->in_addr.in6;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_address_rr->ttl = LLMNR_DEFAULT_TTL;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (!a->llmnr_ptr_rr) {

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering r = dns_resource_record_new_reverse(&a->llmnr_ptr_rr, a->family, &a->in_addr, a->link->manager->llmnr_hostname);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (r < 0)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering goto fail;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_ptr_rr->ttl = LLMNR_DEFAULT_TTL;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = dns_zone_put(&a->link->llmnr_ipv6_scope->zone, a->link->llmnr_ipv6_scope, a->llmnr_address_rr, true);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (r < 0)

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to add AAAA record to LLMNR zone: %m");

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = dns_zone_put(&a->link->llmnr_ipv6_scope->zone, a->link->llmnr_ipv6_scope, a->llmnr_ptr_rr, false);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (r < 0)

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to add IPv6 PTR record to LLMNR zone: %m");

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering } else {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->llmnr_address_rr) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->link->llmnr_ipv6_scope)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering dns_zone_remove_rr(&a->link->llmnr_ipv6_scope->zone, a->llmnr_address_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_address_rr = dns_resource_record_unref(a->llmnr_address_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->llmnr_ptr_rr) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (a->link->llmnr_ipv6_scope)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering dns_zone_remove_rr(&a->link->llmnr_ipv6_scope->zone, a->llmnr_ptr_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering a->llmnr_ptr_rr = dns_resource_record_unref(a->llmnr_ptr_rr);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering return;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poetteringfail:

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_debug_errno(r, "Failed to update address RRs: %m");

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering}

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersenint link_address_update_rtnl(LinkAddress *a, sd_netlink_message *m) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(a);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(m);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = sd_rtnl_message_addr_get_flags(m, &a->flags);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering sd_rtnl_message_addr_get_scope(m, &a->scope);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering link_allocate_scopes(a->link);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering link_add_rrs(a->link, false);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringbool link_address_relevant(LinkAddress *a) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(a);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

7b85d72f824cdf34554b349712b6b8e39095dbd4Lennart Poettering if (a->flags & (IFA_F_DEPRECATED|IFA_F_TENTATIVE))

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return false;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (IN_SET(a->scope, RT_SCOPE_HOST, RT_SCOPE_NOWHERE))

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return false;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return true;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}