mirror of
https://github.com/systemd/systemd-stable.git
synced 2024-12-24 21:34:08 +03:00
network: move state file related functions to networkd-state-file.[ch]
This commit is contained in:
parent
725ad3b062
commit
3b5a4fc685
@ -113,6 +113,8 @@ sources = files('''
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networkd-speed-meter.h
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networkd-sriov.c
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networkd-sriov.h
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networkd-state-file.c
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networkd-state-file.h
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networkd-sysctl.c
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networkd-sysctl.h
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networkd-util.c
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@ -17,6 +17,7 @@
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#include "networkd-link.h"
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#include "networkd-manager.h"
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#include "networkd-network.h"
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#include "networkd-state-file.h"
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#include "string-table.h"
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#include "strv.h"
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#include "sysctl-util.h"
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@ -13,6 +13,7 @@
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#include "networkd-link-bus.h"
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#include "networkd-link.h"
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#include "networkd-manager.h"
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#include "networkd-state-file.h"
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#include "parse-util.h"
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#include "resolve-util.h"
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#include "socket-netlink.h"
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@ -42,6 +42,7 @@
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#include "networkd-sysctl.h"
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#include "networkd-radv.h"
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#include "networkd-routing-policy-rule.h"
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#include "networkd-state-file.h"
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#include "networkd-wifi.h"
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#include "set.h"
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#include "socket-util.h"
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@ -2806,390 +2807,6 @@ int link_update(Link *link, sd_netlink_message *m) {
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return 0;
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}
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static void print_link_hashmap(FILE *f, const char *prefix, Hashmap* h) {
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bool space = false;
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Link *link;
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assert(f);
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assert(prefix);
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if (hashmap_isempty(h))
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return;
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fputs(prefix, f);
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HASHMAP_FOREACH(link, h) {
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if (space)
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fputc(' ', f);
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fprintf(f, "%i", link->ifindex);
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space = true;
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}
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fputc('\n', f);
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}
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static void link_save_dns(Link *link, FILE *f, struct in_addr_full **dns, unsigned n_dns, bool *space) {
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for (unsigned j = 0; j < n_dns; j++) {
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const char *str;
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if (dns[j]->ifindex != 0 && dns[j]->ifindex != link->ifindex)
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continue;
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str = in_addr_full_to_string(dns[j]);
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if (!str)
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continue;
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if (*space)
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fputc(' ', f);
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fputs(str, f);
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*space = true;
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}
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}
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static void serialize_addresses(
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FILE *f,
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const char *lvalue,
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bool *space,
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char **addresses,
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sd_dhcp_lease *lease,
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bool conditional,
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sd_dhcp_lease_server_type_t what,
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sd_dhcp6_lease *lease6,
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bool conditional6,
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int (*lease6_get_addr)(sd_dhcp6_lease*, const struct in6_addr**),
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int (*lease6_get_fqdn)(sd_dhcp6_lease*, char ***)) {
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int r;
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bool _space = false;
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if (!space)
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space = &_space;
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if (lvalue)
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fprintf(f, "%s=", lvalue);
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fputstrv(f, addresses, NULL, space);
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if (lease && conditional) {
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const struct in_addr *lease_addresses;
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r = sd_dhcp_lease_get_servers(lease, what, &lease_addresses);
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if (r > 0)
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serialize_in_addrs(f, lease_addresses, r, space, in4_addr_is_non_local);
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}
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if (lease6 && conditional6 && lease6_get_addr) {
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const struct in6_addr *in6_addrs;
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r = lease6_get_addr(lease6, &in6_addrs);
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if (r > 0)
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serialize_in6_addrs(f, in6_addrs, r, space);
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}
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if (lease6 && conditional6 && lease6_get_fqdn) {
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char **in6_hosts;
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r = lease6_get_fqdn(lease6, &in6_hosts);
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if (r > 0)
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fputstrv(f, in6_hosts, NULL, space);
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}
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if (lvalue)
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fputc('\n', f);
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}
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int link_save(Link *link) {
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const char *admin_state, *oper_state, *carrier_state, *address_state;
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_cleanup_free_ char *temp_path = NULL;
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_cleanup_fclose_ FILE *f = NULL;
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int r;
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assert(link);
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assert(link->state_file);
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assert(link->lease_file);
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assert(link->manager);
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if (link->state == LINK_STATE_LINGER) {
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(void) unlink(link->state_file);
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return 0;
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}
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link_lldp_save(link);
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admin_state = link_state_to_string(link->state);
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assert(admin_state);
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oper_state = link_operstate_to_string(link->operstate);
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assert(oper_state);
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carrier_state = link_carrier_state_to_string(link->carrier_state);
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assert(carrier_state);
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address_state = link_address_state_to_string(link->address_state);
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assert(address_state);
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r = fopen_temporary(link->state_file, &f, &temp_path);
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if (r < 0)
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goto fail;
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(void) fchmod(fileno(f), 0644);
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fprintf(f,
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"# This is private data. Do not parse.\n"
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"ADMIN_STATE=%s\n"
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"OPER_STATE=%s\n"
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"CARRIER_STATE=%s\n"
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"ADDRESS_STATE=%s\n",
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admin_state, oper_state, carrier_state, address_state);
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if (link->network) {
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char **dhcp6_domains = NULL, **dhcp_domains = NULL;
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const char *dhcp_domainname = NULL, *p;
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bool space;
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fprintf(f, "REQUIRED_FOR_ONLINE=%s\n",
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yes_no(link->network->required_for_online));
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LinkOperationalStateRange st = link->network->required_operstate_for_online;
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fprintf(f, "REQUIRED_OPER_STATE_FOR_ONLINE=%s%s%s\n",
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strempty(link_operstate_to_string(st.min)),
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st.max != LINK_OPERSTATE_RANGE_DEFAULT.max ? ":" : "",
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st.max != LINK_OPERSTATE_RANGE_DEFAULT.max ? strempty(link_operstate_to_string(st.max)) : "");
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fprintf(f, "ACTIVATION_POLICY=%s\n",
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activation_policy_to_string(link->network->activation_policy));
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fprintf(f, "NETWORK_FILE=%s\n", link->network->filename);
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/************************************************************/
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fputs("DNS=", f);
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space = false;
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if (link->n_dns != (unsigned) -1)
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link_save_dns(link, f, link->dns, link->n_dns, &space);
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else
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link_save_dns(link, f, link->network->dns, link->network->n_dns, &space);
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serialize_addresses(f, NULL, &space,
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NULL,
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link->dhcp_lease,
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link->network->dhcp_use_dns,
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SD_DHCP_LEASE_DNS,
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link->dhcp6_lease,
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link->network->dhcp6_use_dns,
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sd_dhcp6_lease_get_dns,
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NULL);
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/* Make sure to flush out old entries before we use the NDisc data */
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ndisc_vacuum(link);
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if (link->network->ipv6_accept_ra_use_dns && link->ndisc_rdnss) {
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NDiscRDNSS *dd;
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SET_FOREACH(dd, link->ndisc_rdnss)
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serialize_in6_addrs(f, &dd->address, 1, &space);
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}
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fputc('\n', f);
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/************************************************************/
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serialize_addresses(f, "NTP", NULL,
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link->ntp ?: link->network->ntp,
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link->dhcp_lease,
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link->network->dhcp_use_ntp,
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SD_DHCP_LEASE_NTP,
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link->dhcp6_lease,
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link->network->dhcp6_use_ntp,
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sd_dhcp6_lease_get_ntp_addrs,
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sd_dhcp6_lease_get_ntp_fqdn);
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serialize_addresses(f, "SIP", NULL,
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NULL,
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link->dhcp_lease,
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link->network->dhcp_use_sip,
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SD_DHCP_LEASE_SIP,
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NULL, false, NULL, NULL);
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/************************************************************/
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if (link->network->dhcp_use_domains != DHCP_USE_DOMAINS_NO) {
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if (link->dhcp_lease) {
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(void) sd_dhcp_lease_get_domainname(link->dhcp_lease, &dhcp_domainname);
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(void) sd_dhcp_lease_get_search_domains(link->dhcp_lease, &dhcp_domains);
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}
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if (link->dhcp6_lease)
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(void) sd_dhcp6_lease_get_domains(link->dhcp6_lease, &dhcp6_domains);
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}
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fputs("DOMAINS=", f);
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space = false;
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ORDERED_SET_FOREACH(p, link->search_domains ?: link->network->search_domains)
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fputs_with_space(f, p, NULL, &space);
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if (link->network->dhcp_use_domains == DHCP_USE_DOMAINS_YES) {
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if (dhcp_domainname)
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fputs_with_space(f, dhcp_domainname, NULL, &space);
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if (dhcp_domains)
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fputstrv(f, dhcp_domains, NULL, &space);
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if (dhcp6_domains)
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fputstrv(f, dhcp6_domains, NULL, &space);
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}
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if (link->network->ipv6_accept_ra_use_domains == DHCP_USE_DOMAINS_YES) {
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NDiscDNSSL *dd;
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SET_FOREACH(dd, link->ndisc_dnssl)
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fputs_with_space(f, NDISC_DNSSL_DOMAIN(dd), NULL, &space);
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}
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fputc('\n', f);
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/************************************************************/
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fputs("ROUTE_DOMAINS=", f);
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space = false;
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ORDERED_SET_FOREACH(p, link->route_domains ?: link->network->route_domains)
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fputs_with_space(f, p, NULL, &space);
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if (link->network->dhcp_use_domains == DHCP_USE_DOMAINS_ROUTE) {
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if (dhcp_domainname)
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fputs_with_space(f, dhcp_domainname, NULL, &space);
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if (dhcp_domains)
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fputstrv(f, dhcp_domains, NULL, &space);
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if (dhcp6_domains)
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fputstrv(f, dhcp6_domains, NULL, &space);
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}
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if (link->network->ipv6_accept_ra_use_domains == DHCP_USE_DOMAINS_ROUTE) {
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NDiscDNSSL *dd;
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SET_FOREACH(dd, link->ndisc_dnssl)
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fputs_with_space(f, NDISC_DNSSL_DOMAIN(dd), NULL, &space);
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}
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fputc('\n', f);
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/************************************************************/
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fprintf(f, "LLMNR=%s\n",
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resolve_support_to_string(link->llmnr >= 0 ? link->llmnr : link->network->llmnr));
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/************************************************************/
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fprintf(f, "MDNS=%s\n",
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resolve_support_to_string(link->mdns >= 0 ? link->mdns : link->network->mdns));
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/************************************************************/
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int dns_default_route =
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link->dns_default_route >= 0 ? link->dns_default_route :
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link->network->dns_default_route;
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if (dns_default_route >= 0)
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fprintf(f, "DNS_DEFAULT_ROUTE=%s\n", yes_no(dns_default_route));
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/************************************************************/
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DnsOverTlsMode dns_over_tls_mode =
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link->dns_over_tls_mode != _DNS_OVER_TLS_MODE_INVALID ? link->dns_over_tls_mode :
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link->network->dns_over_tls_mode;
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if (dns_over_tls_mode != _DNS_OVER_TLS_MODE_INVALID)
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fprintf(f, "DNS_OVER_TLS=%s\n", dns_over_tls_mode_to_string(dns_over_tls_mode));
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/************************************************************/
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DnssecMode dnssec_mode =
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link->dnssec_mode != _DNSSEC_MODE_INVALID ? link->dnssec_mode :
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link->network->dnssec_mode;
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if (dnssec_mode != _DNSSEC_MODE_INVALID)
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fprintf(f, "DNSSEC=%s\n", dnssec_mode_to_string(dnssec_mode));
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/************************************************************/
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Set *nta_anchors = link->dnssec_negative_trust_anchors;
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if (set_isempty(nta_anchors))
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nta_anchors = link->network->dnssec_negative_trust_anchors;
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if (!set_isempty(nta_anchors)) {
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const char *n;
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fputs("DNSSEC_NTA=", f);
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space = false;
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SET_FOREACH(n, nta_anchors)
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fputs_with_space(f, n, NULL, &space);
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fputc('\n', f);
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}
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}
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print_link_hashmap(f, "CARRIER_BOUND_TO=", link->bound_to_links);
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print_link_hashmap(f, "CARRIER_BOUND_BY=", link->bound_by_links);
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if (link->dhcp_lease) {
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r = dhcp_lease_save(link->dhcp_lease, link->lease_file);
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if (r < 0)
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goto fail;
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fprintf(f,
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"DHCP_LEASE=%s\n",
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link->lease_file);
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} else
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(void) unlink(link->lease_file);
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r = link_serialize_dhcp6_client(link, f);
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if (r < 0)
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goto fail;
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r = fflush_and_check(f);
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if (r < 0)
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goto fail;
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r = conservative_rename(temp_path, link->state_file);
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if (r < 0)
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goto fail;
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return 0;
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fail:
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(void) unlink(link->state_file);
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if (temp_path)
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(void) unlink(temp_path);
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return log_link_error_errno(link, r, "Failed to save link data to %s: %m", link->state_file);
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}
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/* The serialized state in /run is no longer up-to-date. */
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void link_dirty(Link *link) {
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int r;
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assert(link);
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/* mark manager dirty as link is dirty */
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manager_dirty(link->manager);
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r = set_ensure_put(&link->manager->dirty_links, NULL, link);
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if (r <= 0)
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/* Ignore allocation errors and don't take another ref if the link was already dirty */
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return;
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link_ref(link);
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}
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/* The serialized state in /run is up-to-date */
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void link_clean(Link *link) {
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assert(link);
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assert(link->manager);
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link_unref(set_remove(link->manager->dirty_links, link));
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}
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int link_save_and_clean(Link *link) {
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int r;
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r = link_save(link);
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if (r < 0)
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return r;
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link_clean(link);
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return 0;
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}
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static const char* const link_state_table[_LINK_STATE_MAX] = {
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[LINK_STATE_PENDING] = "pending",
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[LINK_STATE_INITIALIZED] = "initialized",
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|
@ -217,11 +217,6 @@ void link_check_ready(Link *link);
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void link_update_operstate(Link *link, bool also_update_bond_master);
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int link_update(Link *link, sd_netlink_message *message);
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void link_dirty(Link *link);
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void link_clean(Link *link);
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int link_save(Link *link);
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int link_save_and_clean(Link *link);
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int link_carrier_reset(Link *link);
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bool link_has_carrier(Link *link);
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|
@ -38,6 +38,7 @@
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#include "networkd-nexthop.h"
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#include "networkd-routing-policy-rule.h"
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#include "networkd-speed-meter.h"
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#include "networkd-state-file.h"
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#include "ordered-set.h"
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#include "path-lookup.h"
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#include "path-util.h"
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@ -466,289 +467,6 @@ static int manager_connect_rtnl(Manager *m) {
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return 0;
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}
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static int ordered_set_put_dns_server(OrderedSet *s, int ifindex, struct in_addr_full *dns) {
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const char *p;
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int r;
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|
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assert(s);
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assert(dns);
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|
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if (dns->ifindex != 0 && dns->ifindex != ifindex)
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return 0;
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|
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p = in_addr_full_to_string(dns);
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if (!p)
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return 0;
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|
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r = ordered_set_put_strdup(s, p);
|
||||
if (r == -EEXIST)
|
||||
return 0;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int ordered_set_put_dns_servers(OrderedSet *s, int ifindex, struct in_addr_full **dns, unsigned n) {
|
||||
int r, c = 0;
|
||||
|
||||
assert(s);
|
||||
assert(dns || n == 0);
|
||||
|
||||
for (unsigned i = 0; i < n; i++) {
|
||||
r = ordered_set_put_dns_server(s, ifindex, dns[i]);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
c += r;
|
||||
}
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
static int ordered_set_put_in4_addr(OrderedSet *s, const struct in_addr *address) {
|
||||
char *p;
|
||||
int r;
|
||||
|
||||
assert(s);
|
||||
assert(address);
|
||||
|
||||
r = in_addr_to_string(AF_INET, (const union in_addr_union*) address, &p);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
r = ordered_set_consume(s, p);
|
||||
if (r == -EEXIST)
|
||||
return 0;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int ordered_set_put_in4_addrv(OrderedSet *s,
|
||||
const struct in_addr *addresses,
|
||||
size_t n,
|
||||
bool (*predicate)(const struct in_addr *addr)) {
|
||||
int r, c = 0;
|
||||
|
||||
assert(s);
|
||||
assert(n == 0 || addresses);
|
||||
|
||||
for (size_t i = 0; i < n; i++) {
|
||||
if (predicate && !predicate(&addresses[i]))
|
||||
continue;
|
||||
r = ordered_set_put_in4_addr(s, addresses+i);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
c += r;
|
||||
}
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
static int manager_save(Manager *m) {
|
||||
_cleanup_ordered_set_free_free_ OrderedSet *dns = NULL, *ntp = NULL, *sip = NULL, *search_domains = NULL, *route_domains = NULL;
|
||||
const char *operstate_str, *carrier_state_str, *address_state_str;
|
||||
LinkOperationalState operstate = LINK_OPERSTATE_OFF;
|
||||
LinkCarrierState carrier_state = LINK_CARRIER_STATE_OFF;
|
||||
LinkAddressState address_state = LINK_ADDRESS_STATE_OFF;
|
||||
_cleanup_free_ char *temp_path = NULL;
|
||||
_cleanup_strv_free_ char **p = NULL;
|
||||
_cleanup_fclose_ FILE *f = NULL;
|
||||
Link *link;
|
||||
int r;
|
||||
|
||||
assert(m);
|
||||
assert(m->state_file);
|
||||
|
||||
/* We add all NTP and DNS server to a set, to filter out duplicates */
|
||||
dns = ordered_set_new(&string_hash_ops);
|
||||
if (!dns)
|
||||
return -ENOMEM;
|
||||
|
||||
ntp = ordered_set_new(&string_hash_ops);
|
||||
if (!ntp)
|
||||
return -ENOMEM;
|
||||
|
||||
sip = ordered_set_new(&string_hash_ops);
|
||||
if (!sip)
|
||||
return -ENOMEM;
|
||||
|
||||
search_domains = ordered_set_new(&dns_name_hash_ops);
|
||||
if (!search_domains)
|
||||
return -ENOMEM;
|
||||
|
||||
route_domains = ordered_set_new(&dns_name_hash_ops);
|
||||
if (!route_domains)
|
||||
return -ENOMEM;
|
||||
|
||||
HASHMAP_FOREACH(link, m->links) {
|
||||
const struct in_addr *addresses;
|
||||
|
||||
if (link->flags & IFF_LOOPBACK)
|
||||
continue;
|
||||
|
||||
if (link->operstate > operstate)
|
||||
operstate = link->operstate;
|
||||
|
||||
if (link->carrier_state > carrier_state)
|
||||
carrier_state = link->carrier_state;
|
||||
|
||||
if (link->address_state > address_state)
|
||||
address_state = link->address_state;
|
||||
|
||||
if (!link->network)
|
||||
continue;
|
||||
|
||||
/* First add the static configured entries */
|
||||
if (link->n_dns != (unsigned) -1)
|
||||
r = ordered_set_put_dns_servers(dns, link->ifindex, link->dns, link->n_dns);
|
||||
else
|
||||
r = ordered_set_put_dns_servers(dns, link->ifindex, link->network->dns, link->network->n_dns);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
r = ordered_set_put_strdupv(ntp, link->ntp ?: link->network->ntp);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
r = ordered_set_put_string_set(search_domains, link->search_domains ?: link->network->search_domains);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
r = ordered_set_put_string_set(route_domains, link->route_domains ?: link->network->route_domains);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
if (!link->dhcp_lease)
|
||||
continue;
|
||||
|
||||
/* Secondly, add the entries acquired via DHCP */
|
||||
if (link->network->dhcp_use_dns) {
|
||||
r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses);
|
||||
if (r > 0) {
|
||||
r = ordered_set_put_in4_addrv(dns, addresses, r, in4_addr_is_non_local);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r < 0 && r != -ENODATA)
|
||||
return r;
|
||||
}
|
||||
|
||||
if (link->network->dhcp_use_ntp) {
|
||||
r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses);
|
||||
if (r > 0) {
|
||||
r = ordered_set_put_in4_addrv(ntp, addresses, r, in4_addr_is_non_local);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r < 0 && r != -ENODATA)
|
||||
return r;
|
||||
}
|
||||
|
||||
if (link->network->dhcp_use_sip) {
|
||||
r = sd_dhcp_lease_get_sip(link->dhcp_lease, &addresses);
|
||||
if (r > 0) {
|
||||
r = ordered_set_put_in4_addrv(sip, addresses, r, in4_addr_is_non_local);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r < 0 && r != -ENODATA)
|
||||
return r;
|
||||
}
|
||||
|
||||
if (link->network->dhcp_use_domains != DHCP_USE_DOMAINS_NO) {
|
||||
const char *domainname;
|
||||
char **domains = NULL;
|
||||
|
||||
OrderedSet *target_domains = (link->network->dhcp_use_domains == DHCP_USE_DOMAINS_YES) ? search_domains : route_domains;
|
||||
r = sd_dhcp_lease_get_domainname(link->dhcp_lease, &domainname);
|
||||
if (r >= 0) {
|
||||
r = ordered_set_put_strdup(target_domains, domainname);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r != -ENODATA)
|
||||
return r;
|
||||
|
||||
r = sd_dhcp_lease_get_search_domains(link->dhcp_lease, &domains);
|
||||
if (r >= 0) {
|
||||
r = ordered_set_put_strdupv(target_domains, domains);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r != -ENODATA)
|
||||
return r;
|
||||
}
|
||||
}
|
||||
|
||||
if (carrier_state >= LINK_CARRIER_STATE_ENSLAVED)
|
||||
carrier_state = LINK_CARRIER_STATE_CARRIER;
|
||||
|
||||
operstate_str = link_operstate_to_string(operstate);
|
||||
assert(operstate_str);
|
||||
|
||||
carrier_state_str = link_carrier_state_to_string(carrier_state);
|
||||
assert(carrier_state_str);
|
||||
|
||||
address_state_str = link_address_state_to_string(address_state);
|
||||
assert(address_state_str);
|
||||
|
||||
r = fopen_temporary(m->state_file, &f, &temp_path);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
(void) fchmod(fileno(f), 0644);
|
||||
|
||||
fprintf(f,
|
||||
"# This is private data. Do not parse.\n"
|
||||
"OPER_STATE=%s\n"
|
||||
"CARRIER_STATE=%s\n"
|
||||
"ADDRESS_STATE=%s\n",
|
||||
operstate_str, carrier_state_str, address_state_str);
|
||||
|
||||
ordered_set_print(f, "DNS=", dns);
|
||||
ordered_set_print(f, "NTP=", ntp);
|
||||
ordered_set_print(f, "SIP=", sip);
|
||||
ordered_set_print(f, "DOMAINS=", search_domains);
|
||||
ordered_set_print(f, "ROUTE_DOMAINS=", route_domains);
|
||||
|
||||
r = fflush_and_check(f);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
r = conservative_rename(temp_path, m->state_file);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
if (m->operational_state != operstate) {
|
||||
m->operational_state = operstate;
|
||||
if (strv_extend(&p, "OperationalState") < 0)
|
||||
log_oom();
|
||||
}
|
||||
|
||||
if (m->carrier_state != carrier_state) {
|
||||
m->carrier_state = carrier_state;
|
||||
if (strv_extend(&p, "CarrierState") < 0)
|
||||
log_oom();
|
||||
}
|
||||
|
||||
if (m->address_state != address_state) {
|
||||
m->address_state = address_state;
|
||||
if (strv_extend(&p, "AddressState") < 0)
|
||||
log_oom();
|
||||
}
|
||||
|
||||
if (p) {
|
||||
r = manager_send_changed_strv(m, p);
|
||||
if (r < 0)
|
||||
log_error_errno(r, "Could not emit changed properties: %m");
|
||||
}
|
||||
|
||||
m->dirty = false;
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
(void) unlink(m->state_file);
|
||||
(void) unlink(temp_path);
|
||||
|
||||
return log_error_errno(r, "Failed to save network state to %s: %m", m->state_file);
|
||||
}
|
||||
|
||||
static int manager_dirty_handler(sd_event_source *s, void *userdata) {
|
||||
Manager *m = userdata;
|
||||
Link *link;
|
||||
@ -1155,13 +873,6 @@ Link* manager_find_uplink(Manager *m, Link *exclude) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void manager_dirty(Manager *manager) {
|
||||
assert(manager);
|
||||
|
||||
/* the serialized state in /run is no longer up-to-date */
|
||||
manager->dirty = true;
|
||||
}
|
||||
|
||||
static int set_hostname_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
|
||||
const sd_bus_error *e;
|
||||
int r;
|
||||
|
@ -100,8 +100,6 @@ bool manager_should_reload(Manager *m);
|
||||
|
||||
int manager_enumerate(Manager *m);
|
||||
|
||||
void manager_dirty(Manager *m);
|
||||
|
||||
Link* manager_find_uplink(Manager *m, Link *exclude);
|
||||
|
||||
int manager_set_hostname(Manager *m, const char *hostname);
|
||||
|
@ -15,6 +15,7 @@
|
||||
#include "networkd-dhcp6.h"
|
||||
#include "networkd-manager.h"
|
||||
#include "networkd-ndisc.h"
|
||||
#include "networkd-state-file.h"
|
||||
#include "string-table.h"
|
||||
#include "string-util.h"
|
||||
#include "strv.h"
|
||||
|
690
src/network/networkd-state-file.c
Normal file
690
src/network/networkd-state-file.c
Normal file
@ -0,0 +1,690 @@
|
||||
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
||||
|
||||
#include <netinet/in.h>
|
||||
#include <linux/if.h>
|
||||
|
||||
#include "alloc-util.h"
|
||||
#include "dns-domain.h"
|
||||
#include "fd-util.h"
|
||||
#include "fileio.h"
|
||||
#include "fs-util.h"
|
||||
#include "network-internal.h"
|
||||
#include "networkd-link.h"
|
||||
#include "networkd-manager-bus.h"
|
||||
#include "networkd-manager.h"
|
||||
#include "networkd-network.h"
|
||||
#include "networkd-state-file.h"
|
||||
#include "ordered-set.h"
|
||||
#include "set.h"
|
||||
#include "strv.h"
|
||||
#include "tmpfile-util.h"
|
||||
|
||||
static int ordered_set_put_dns_server(OrderedSet *s, int ifindex, struct in_addr_full *dns) {
|
||||
const char *p;
|
||||
int r;
|
||||
|
||||
assert(s);
|
||||
assert(dns);
|
||||
|
||||
if (dns->ifindex != 0 && dns->ifindex != ifindex)
|
||||
return 0;
|
||||
|
||||
p = in_addr_full_to_string(dns);
|
||||
if (!p)
|
||||
return 0;
|
||||
|
||||
r = ordered_set_put_strdup(s, p);
|
||||
if (r == -EEXIST)
|
||||
return 0;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int ordered_set_put_dns_servers(OrderedSet *s, int ifindex, struct in_addr_full **dns, unsigned n) {
|
||||
int r, c = 0;
|
||||
|
||||
assert(s);
|
||||
assert(dns || n == 0);
|
||||
|
||||
for (unsigned i = 0; i < n; i++) {
|
||||
r = ordered_set_put_dns_server(s, ifindex, dns[i]);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
c += r;
|
||||
}
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
static int ordered_set_put_in4_addr(OrderedSet *s, const struct in_addr *address) {
|
||||
char *p;
|
||||
int r;
|
||||
|
||||
assert(s);
|
||||
assert(address);
|
||||
|
||||
r = in_addr_to_string(AF_INET, (const union in_addr_union*) address, &p);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
r = ordered_set_consume(s, p);
|
||||
if (r == -EEXIST)
|
||||
return 0;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int ordered_set_put_in4_addrv(OrderedSet *s,
|
||||
const struct in_addr *addresses,
|
||||
size_t n,
|
||||
bool (*predicate)(const struct in_addr *addr)) {
|
||||
int r, c = 0;
|
||||
|
||||
assert(s);
|
||||
assert(n == 0 || addresses);
|
||||
|
||||
for (size_t i = 0; i < n; i++) {
|
||||
if (predicate && !predicate(&addresses[i]))
|
||||
continue;
|
||||
r = ordered_set_put_in4_addr(s, addresses+i);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
c += r;
|
||||
}
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
int manager_save(Manager *m) {
|
||||
_cleanup_ordered_set_free_free_ OrderedSet *dns = NULL, *ntp = NULL, *sip = NULL, *search_domains = NULL, *route_domains = NULL;
|
||||
const char *operstate_str, *carrier_state_str, *address_state_str;
|
||||
LinkOperationalState operstate = LINK_OPERSTATE_OFF;
|
||||
LinkCarrierState carrier_state = LINK_CARRIER_STATE_OFF;
|
||||
LinkAddressState address_state = LINK_ADDRESS_STATE_OFF;
|
||||
_cleanup_free_ char *temp_path = NULL;
|
||||
_cleanup_strv_free_ char **p = NULL;
|
||||
_cleanup_fclose_ FILE *f = NULL;
|
||||
Link *link;
|
||||
int r;
|
||||
|
||||
assert(m);
|
||||
assert(m->state_file);
|
||||
|
||||
/* We add all NTP and DNS server to a set, to filter out duplicates */
|
||||
dns = ordered_set_new(&string_hash_ops);
|
||||
if (!dns)
|
||||
return -ENOMEM;
|
||||
|
||||
ntp = ordered_set_new(&string_hash_ops);
|
||||
if (!ntp)
|
||||
return -ENOMEM;
|
||||
|
||||
sip = ordered_set_new(&string_hash_ops);
|
||||
if (!sip)
|
||||
return -ENOMEM;
|
||||
|
||||
search_domains = ordered_set_new(&dns_name_hash_ops);
|
||||
if (!search_domains)
|
||||
return -ENOMEM;
|
||||
|
||||
route_domains = ordered_set_new(&dns_name_hash_ops);
|
||||
if (!route_domains)
|
||||
return -ENOMEM;
|
||||
|
||||
HASHMAP_FOREACH(link, m->links) {
|
||||
const struct in_addr *addresses;
|
||||
|
||||
if (link->flags & IFF_LOOPBACK)
|
||||
continue;
|
||||
|
||||
if (link->operstate > operstate)
|
||||
operstate = link->operstate;
|
||||
|
||||
if (link->carrier_state > carrier_state)
|
||||
carrier_state = link->carrier_state;
|
||||
|
||||
if (link->address_state > address_state)
|
||||
address_state = link->address_state;
|
||||
|
||||
if (!link->network)
|
||||
continue;
|
||||
|
||||
/* First add the static configured entries */
|
||||
if (link->n_dns != (unsigned) -1)
|
||||
r = ordered_set_put_dns_servers(dns, link->ifindex, link->dns, link->n_dns);
|
||||
else
|
||||
r = ordered_set_put_dns_servers(dns, link->ifindex, link->network->dns, link->network->n_dns);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
r = ordered_set_put_strdupv(ntp, link->ntp ?: link->network->ntp);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
r = ordered_set_put_string_set(search_domains, link->search_domains ?: link->network->search_domains);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
r = ordered_set_put_string_set(route_domains, link->route_domains ?: link->network->route_domains);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
if (!link->dhcp_lease)
|
||||
continue;
|
||||
|
||||
/* Secondly, add the entries acquired via DHCP */
|
||||
if (link->network->dhcp_use_dns) {
|
||||
r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses);
|
||||
if (r > 0) {
|
||||
r = ordered_set_put_in4_addrv(dns, addresses, r, in4_addr_is_non_local);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r < 0 && r != -ENODATA)
|
||||
return r;
|
||||
}
|
||||
|
||||
if (link->network->dhcp_use_ntp) {
|
||||
r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses);
|
||||
if (r > 0) {
|
||||
r = ordered_set_put_in4_addrv(ntp, addresses, r, in4_addr_is_non_local);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r < 0 && r != -ENODATA)
|
||||
return r;
|
||||
}
|
||||
|
||||
if (link->network->dhcp_use_sip) {
|
||||
r = sd_dhcp_lease_get_sip(link->dhcp_lease, &addresses);
|
||||
if (r > 0) {
|
||||
r = ordered_set_put_in4_addrv(sip, addresses, r, in4_addr_is_non_local);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r < 0 && r != -ENODATA)
|
||||
return r;
|
||||
}
|
||||
|
||||
if (link->network->dhcp_use_domains != DHCP_USE_DOMAINS_NO) {
|
||||
const char *domainname;
|
||||
char **domains = NULL;
|
||||
|
||||
OrderedSet *target_domains = (link->network->dhcp_use_domains == DHCP_USE_DOMAINS_YES) ? search_domains : route_domains;
|
||||
r = sd_dhcp_lease_get_domainname(link->dhcp_lease, &domainname);
|
||||
if (r >= 0) {
|
||||
r = ordered_set_put_strdup(target_domains, domainname);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r != -ENODATA)
|
||||
return r;
|
||||
|
||||
r = sd_dhcp_lease_get_search_domains(link->dhcp_lease, &domains);
|
||||
if (r >= 0) {
|
||||
r = ordered_set_put_strdupv(target_domains, domains);
|
||||
if (r < 0)
|
||||
return r;
|
||||
} else if (r != -ENODATA)
|
||||
return r;
|
||||
}
|
||||
}
|
||||
|
||||
if (carrier_state >= LINK_CARRIER_STATE_ENSLAVED)
|
||||
carrier_state = LINK_CARRIER_STATE_CARRIER;
|
||||
|
||||
operstate_str = link_operstate_to_string(operstate);
|
||||
assert(operstate_str);
|
||||
|
||||
carrier_state_str = link_carrier_state_to_string(carrier_state);
|
||||
assert(carrier_state_str);
|
||||
|
||||
address_state_str = link_address_state_to_string(address_state);
|
||||
assert(address_state_str);
|
||||
|
||||
r = fopen_temporary(m->state_file, &f, &temp_path);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
(void) fchmod(fileno(f), 0644);
|
||||
|
||||
fprintf(f,
|
||||
"# This is private data. Do not parse.\n"
|
||||
"OPER_STATE=%s\n"
|
||||
"CARRIER_STATE=%s\n"
|
||||
"ADDRESS_STATE=%s\n",
|
||||
operstate_str, carrier_state_str, address_state_str);
|
||||
|
||||
ordered_set_print(f, "DNS=", dns);
|
||||
ordered_set_print(f, "NTP=", ntp);
|
||||
ordered_set_print(f, "SIP=", sip);
|
||||
ordered_set_print(f, "DOMAINS=", search_domains);
|
||||
ordered_set_print(f, "ROUTE_DOMAINS=", route_domains);
|
||||
|
||||
r = fflush_and_check(f);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
r = conservative_rename(temp_path, m->state_file);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
if (m->operational_state != operstate) {
|
||||
m->operational_state = operstate;
|
||||
if (strv_extend(&p, "OperationalState") < 0)
|
||||
log_oom();
|
||||
}
|
||||
|
||||
if (m->carrier_state != carrier_state) {
|
||||
m->carrier_state = carrier_state;
|
||||
if (strv_extend(&p, "CarrierState") < 0)
|
||||
log_oom();
|
||||
}
|
||||
|
||||
if (m->address_state != address_state) {
|
||||
m->address_state = address_state;
|
||||
if (strv_extend(&p, "AddressState") < 0)
|
||||
log_oom();
|
||||
}
|
||||
|
||||
if (p) {
|
||||
r = manager_send_changed_strv(m, p);
|
||||
if (r < 0)
|
||||
log_error_errno(r, "Could not emit changed properties: %m");
|
||||
}
|
||||
|
||||
m->dirty = false;
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
(void) unlink(m->state_file);
|
||||
(void) unlink(temp_path);
|
||||
|
||||
return log_error_errno(r, "Failed to save network state to %s: %m", m->state_file);
|
||||
}
|
||||
|
||||
static void print_link_hashmap(FILE *f, const char *prefix, Hashmap* h) {
|
||||
bool space = false;
|
||||
Link *link;
|
||||
|
||||
assert(f);
|
||||
assert(prefix);
|
||||
|
||||
if (hashmap_isempty(h))
|
||||
return;
|
||||
|
||||
fputs(prefix, f);
|
||||
HASHMAP_FOREACH(link, h) {
|
||||
if (space)
|
||||
fputc(' ', f);
|
||||
|
||||
fprintf(f, "%i", link->ifindex);
|
||||
space = true;
|
||||
}
|
||||
|
||||
fputc('\n', f);
|
||||
}
|
||||
|
||||
static void link_save_dns(Link *link, FILE *f, struct in_addr_full **dns, unsigned n_dns, bool *space) {
|
||||
for (unsigned j = 0; j < n_dns; j++) {
|
||||
const char *str;
|
||||
|
||||
if (dns[j]->ifindex != 0 && dns[j]->ifindex != link->ifindex)
|
||||
continue;
|
||||
|
||||
str = in_addr_full_to_string(dns[j]);
|
||||
if (!str)
|
||||
continue;
|
||||
|
||||
if (*space)
|
||||
fputc(' ', f);
|
||||
fputs(str, f);
|
||||
*space = true;
|
||||
}
|
||||
}
|
||||
|
||||
static void serialize_addresses(
|
||||
FILE *f,
|
||||
const char *lvalue,
|
||||
bool *space,
|
||||
char **addresses,
|
||||
sd_dhcp_lease *lease,
|
||||
bool conditional,
|
||||
sd_dhcp_lease_server_type_t what,
|
||||
sd_dhcp6_lease *lease6,
|
||||
bool conditional6,
|
||||
int (*lease6_get_addr)(sd_dhcp6_lease*, const struct in6_addr**),
|
||||
int (*lease6_get_fqdn)(sd_dhcp6_lease*, char ***)) {
|
||||
int r;
|
||||
|
||||
bool _space = false;
|
||||
if (!space)
|
||||
space = &_space;
|
||||
|
||||
if (lvalue)
|
||||
fprintf(f, "%s=", lvalue);
|
||||
fputstrv(f, addresses, NULL, space);
|
||||
|
||||
if (lease && conditional) {
|
||||
const struct in_addr *lease_addresses;
|
||||
|
||||
r = sd_dhcp_lease_get_servers(lease, what, &lease_addresses);
|
||||
if (r > 0)
|
||||
serialize_in_addrs(f, lease_addresses, r, space, in4_addr_is_non_local);
|
||||
}
|
||||
|
||||
if (lease6 && conditional6 && lease6_get_addr) {
|
||||
const struct in6_addr *in6_addrs;
|
||||
|
||||
r = lease6_get_addr(lease6, &in6_addrs);
|
||||
if (r > 0)
|
||||
serialize_in6_addrs(f, in6_addrs, r, space);
|
||||
}
|
||||
|
||||
if (lease6 && conditional6 && lease6_get_fqdn) {
|
||||
char **in6_hosts;
|
||||
|
||||
r = lease6_get_fqdn(lease6, &in6_hosts);
|
||||
if (r > 0)
|
||||
fputstrv(f, in6_hosts, NULL, space);
|
||||
}
|
||||
|
||||
if (lvalue)
|
||||
fputc('\n', f);
|
||||
}
|
||||
|
||||
int link_save(Link *link) {
|
||||
const char *admin_state, *oper_state, *carrier_state, *address_state;
|
||||
_cleanup_free_ char *temp_path = NULL;
|
||||
_cleanup_fclose_ FILE *f = NULL;
|
||||
int r;
|
||||
|
||||
assert(link);
|
||||
assert(link->state_file);
|
||||
assert(link->lease_file);
|
||||
assert(link->manager);
|
||||
|
||||
if (link->state == LINK_STATE_LINGER) {
|
||||
(void) unlink(link->state_file);
|
||||
return 0;
|
||||
}
|
||||
|
||||
link_lldp_save(link);
|
||||
|
||||
admin_state = link_state_to_string(link->state);
|
||||
assert(admin_state);
|
||||
|
||||
oper_state = link_operstate_to_string(link->operstate);
|
||||
assert(oper_state);
|
||||
|
||||
carrier_state = link_carrier_state_to_string(link->carrier_state);
|
||||
assert(carrier_state);
|
||||
|
||||
address_state = link_address_state_to_string(link->address_state);
|
||||
assert(address_state);
|
||||
|
||||
r = fopen_temporary(link->state_file, &f, &temp_path);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
(void) fchmod(fileno(f), 0644);
|
||||
|
||||
fprintf(f,
|
||||
"# This is private data. Do not parse.\n"
|
||||
"ADMIN_STATE=%s\n"
|
||||
"OPER_STATE=%s\n"
|
||||
"CARRIER_STATE=%s\n"
|
||||
"ADDRESS_STATE=%s\n",
|
||||
admin_state, oper_state, carrier_state, address_state);
|
||||
|
||||
if (link->network) {
|
||||
char **dhcp6_domains = NULL, **dhcp_domains = NULL;
|
||||
const char *dhcp_domainname = NULL, *p;
|
||||
bool space;
|
||||
|
||||
fprintf(f, "REQUIRED_FOR_ONLINE=%s\n",
|
||||
yes_no(link->network->required_for_online));
|
||||
|
||||
LinkOperationalStateRange st = link->network->required_operstate_for_online;
|
||||
fprintf(f, "REQUIRED_OPER_STATE_FOR_ONLINE=%s%s%s\n",
|
||||
strempty(link_operstate_to_string(st.min)),
|
||||
st.max != LINK_OPERSTATE_RANGE_DEFAULT.max ? ":" : "",
|
||||
st.max != LINK_OPERSTATE_RANGE_DEFAULT.max ? strempty(link_operstate_to_string(st.max)) : "");
|
||||
|
||||
fprintf(f, "ACTIVATION_POLICY=%s\n",
|
||||
activation_policy_to_string(link->network->activation_policy));
|
||||
|
||||
fprintf(f, "NETWORK_FILE=%s\n", link->network->filename);
|
||||
|
||||
/************************************************************/
|
||||
|
||||
fputs("DNS=", f);
|
||||
space = false;
|
||||
if (link->n_dns != (unsigned) -1)
|
||||
link_save_dns(link, f, link->dns, link->n_dns, &space);
|
||||
else
|
||||
link_save_dns(link, f, link->network->dns, link->network->n_dns, &space);
|
||||
|
||||
serialize_addresses(f, NULL, &space,
|
||||
NULL,
|
||||
link->dhcp_lease,
|
||||
link->network->dhcp_use_dns,
|
||||
SD_DHCP_LEASE_DNS,
|
||||
link->dhcp6_lease,
|
||||
link->network->dhcp6_use_dns,
|
||||
sd_dhcp6_lease_get_dns,
|
||||
NULL);
|
||||
|
||||
/* Make sure to flush out old entries before we use the NDisc data */
|
||||
ndisc_vacuum(link);
|
||||
|
||||
if (link->network->ipv6_accept_ra_use_dns && link->ndisc_rdnss) {
|
||||
NDiscRDNSS *dd;
|
||||
|
||||
SET_FOREACH(dd, link->ndisc_rdnss)
|
||||
serialize_in6_addrs(f, &dd->address, 1, &space);
|
||||
}
|
||||
|
||||
fputc('\n', f);
|
||||
|
||||
/************************************************************/
|
||||
|
||||
serialize_addresses(f, "NTP", NULL,
|
||||
link->ntp ?: link->network->ntp,
|
||||
link->dhcp_lease,
|
||||
link->network->dhcp_use_ntp,
|
||||
SD_DHCP_LEASE_NTP,
|
||||
link->dhcp6_lease,
|
||||
link->network->dhcp6_use_ntp,
|
||||
sd_dhcp6_lease_get_ntp_addrs,
|
||||
sd_dhcp6_lease_get_ntp_fqdn);
|
||||
|
||||
serialize_addresses(f, "SIP", NULL,
|
||||
NULL,
|
||||
link->dhcp_lease,
|
||||
link->network->dhcp_use_sip,
|
||||
SD_DHCP_LEASE_SIP,
|
||||
NULL, false, NULL, NULL);
|
||||
|
||||
/************************************************************/
|
||||
|
||||
if (link->network->dhcp_use_domains != DHCP_USE_DOMAINS_NO) {
|
||||
if (link->dhcp_lease) {
|
||||
(void) sd_dhcp_lease_get_domainname(link->dhcp_lease, &dhcp_domainname);
|
||||
(void) sd_dhcp_lease_get_search_domains(link->dhcp_lease, &dhcp_domains);
|
||||
}
|
||||
if (link->dhcp6_lease)
|
||||
(void) sd_dhcp6_lease_get_domains(link->dhcp6_lease, &dhcp6_domains);
|
||||
}
|
||||
|
||||
fputs("DOMAINS=", f);
|
||||
space = false;
|
||||
ORDERED_SET_FOREACH(p, link->search_domains ?: link->network->search_domains)
|
||||
fputs_with_space(f, p, NULL, &space);
|
||||
|
||||
if (link->network->dhcp_use_domains == DHCP_USE_DOMAINS_YES) {
|
||||
if (dhcp_domainname)
|
||||
fputs_with_space(f, dhcp_domainname, NULL, &space);
|
||||
if (dhcp_domains)
|
||||
fputstrv(f, dhcp_domains, NULL, &space);
|
||||
if (dhcp6_domains)
|
||||
fputstrv(f, dhcp6_domains, NULL, &space);
|
||||
}
|
||||
|
||||
if (link->network->ipv6_accept_ra_use_domains == DHCP_USE_DOMAINS_YES) {
|
||||
NDiscDNSSL *dd;
|
||||
|
||||
SET_FOREACH(dd, link->ndisc_dnssl)
|
||||
fputs_with_space(f, NDISC_DNSSL_DOMAIN(dd), NULL, &space);
|
||||
}
|
||||
|
||||
fputc('\n', f);
|
||||
|
||||
/************************************************************/
|
||||
|
||||
fputs("ROUTE_DOMAINS=", f);
|
||||
space = false;
|
||||
ORDERED_SET_FOREACH(p, link->route_domains ?: link->network->route_domains)
|
||||
fputs_with_space(f, p, NULL, &space);
|
||||
|
||||
if (link->network->dhcp_use_domains == DHCP_USE_DOMAINS_ROUTE) {
|
||||
if (dhcp_domainname)
|
||||
fputs_with_space(f, dhcp_domainname, NULL, &space);
|
||||
if (dhcp_domains)
|
||||
fputstrv(f, dhcp_domains, NULL, &space);
|
||||
if (dhcp6_domains)
|
||||
fputstrv(f, dhcp6_domains, NULL, &space);
|
||||
}
|
||||
|
||||
if (link->network->ipv6_accept_ra_use_domains == DHCP_USE_DOMAINS_ROUTE) {
|
||||
NDiscDNSSL *dd;
|
||||
|
||||
SET_FOREACH(dd, link->ndisc_dnssl)
|
||||
fputs_with_space(f, NDISC_DNSSL_DOMAIN(dd), NULL, &space);
|
||||
}
|
||||
|
||||
fputc('\n', f);
|
||||
|
||||
/************************************************************/
|
||||
|
||||
fprintf(f, "LLMNR=%s\n",
|
||||
resolve_support_to_string(link->llmnr >= 0 ? link->llmnr : link->network->llmnr));
|
||||
|
||||
/************************************************************/
|
||||
|
||||
fprintf(f, "MDNS=%s\n",
|
||||
resolve_support_to_string(link->mdns >= 0 ? link->mdns : link->network->mdns));
|
||||
|
||||
/************************************************************/
|
||||
|
||||
int dns_default_route =
|
||||
link->dns_default_route >= 0 ? link->dns_default_route :
|
||||
link->network->dns_default_route;
|
||||
if (dns_default_route >= 0)
|
||||
fprintf(f, "DNS_DEFAULT_ROUTE=%s\n", yes_no(dns_default_route));
|
||||
|
||||
/************************************************************/
|
||||
|
||||
DnsOverTlsMode dns_over_tls_mode =
|
||||
link->dns_over_tls_mode != _DNS_OVER_TLS_MODE_INVALID ? link->dns_over_tls_mode :
|
||||
link->network->dns_over_tls_mode;
|
||||
if (dns_over_tls_mode != _DNS_OVER_TLS_MODE_INVALID)
|
||||
fprintf(f, "DNS_OVER_TLS=%s\n", dns_over_tls_mode_to_string(dns_over_tls_mode));
|
||||
|
||||
/************************************************************/
|
||||
|
||||
DnssecMode dnssec_mode =
|
||||
link->dnssec_mode != _DNSSEC_MODE_INVALID ? link->dnssec_mode :
|
||||
link->network->dnssec_mode;
|
||||
if (dnssec_mode != _DNSSEC_MODE_INVALID)
|
||||
fprintf(f, "DNSSEC=%s\n", dnssec_mode_to_string(dnssec_mode));
|
||||
|
||||
/************************************************************/
|
||||
|
||||
Set *nta_anchors = link->dnssec_negative_trust_anchors;
|
||||
if (set_isempty(nta_anchors))
|
||||
nta_anchors = link->network->dnssec_negative_trust_anchors;
|
||||
|
||||
if (!set_isempty(nta_anchors)) {
|
||||
const char *n;
|
||||
|
||||
fputs("DNSSEC_NTA=", f);
|
||||
space = false;
|
||||
SET_FOREACH(n, nta_anchors)
|
||||
fputs_with_space(f, n, NULL, &space);
|
||||
fputc('\n', f);
|
||||
}
|
||||
}
|
||||
|
||||
print_link_hashmap(f, "CARRIER_BOUND_TO=", link->bound_to_links);
|
||||
print_link_hashmap(f, "CARRIER_BOUND_BY=", link->bound_by_links);
|
||||
|
||||
if (link->dhcp_lease) {
|
||||
r = dhcp_lease_save(link->dhcp_lease, link->lease_file);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
fprintf(f,
|
||||
"DHCP_LEASE=%s\n",
|
||||
link->lease_file);
|
||||
} else
|
||||
(void) unlink(link->lease_file);
|
||||
|
||||
r = link_serialize_dhcp6_client(link, f);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
r = fflush_and_check(f);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
r = conservative_rename(temp_path, link->state_file);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
(void) unlink(link->state_file);
|
||||
if (temp_path)
|
||||
(void) unlink(temp_path);
|
||||
|
||||
return log_link_error_errno(link, r, "Failed to save link data to %s: %m", link->state_file);
|
||||
}
|
||||
|
||||
void link_dirty(Link *link) {
|
||||
int r;
|
||||
|
||||
assert(link);
|
||||
assert(link->manager);
|
||||
|
||||
/* The serialized state in /run is no longer up-to-date. */
|
||||
|
||||
/* Also mark manager dirty as link is dirty */
|
||||
link->manager->dirty = true;
|
||||
|
||||
r = set_ensure_put(&link->manager->dirty_links, NULL, link);
|
||||
if (r <= 0)
|
||||
/* Ignore allocation errors and don't take another ref if the link was already dirty */
|
||||
return;
|
||||
link_ref(link);
|
||||
}
|
||||
|
||||
void link_clean(Link *link) {
|
||||
assert(link);
|
||||
assert(link->manager);
|
||||
|
||||
/* The serialized state in /run is up-to-date */
|
||||
|
||||
link_unref(set_remove(link->manager->dirty_links, link));
|
||||
}
|
||||
|
||||
int link_save_and_clean(Link *link) {
|
||||
int r;
|
||||
|
||||
r = link_save(link);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
link_clean(link);
|
||||
return 0;
|
||||
}
|
12
src/network/networkd-state-file.h
Normal file
12
src/network/networkd-state-file.h
Normal file
@ -0,0 +1,12 @@
|
||||
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
||||
#pragma once
|
||||
|
||||
typedef struct Link Link;
|
||||
typedef struct Manager Manager;
|
||||
|
||||
void link_dirty(Link *link);
|
||||
void link_clean(Link *link);
|
||||
int link_save(Link *link);
|
||||
int link_save_and_clean(Link *link);
|
||||
|
||||
int manager_save(Manager *m);
|
Loading…
Reference in New Issue
Block a user