#include <unistd.h>
#include <linux/if.h>
#include <linux/fib_rules.h>
+#include <linux/nexthop.h>
#include "sd-daemon.h"
#include "sd-netlink.h"
#include "alloc-util.h"
+#include "bus-polkit.h"
#include "bus-util.h"
#include "conf-parser.h"
#include "def.h"
#include "networkd-network-bus.h"
#include "networkd-speed-meter.h"
#include "ordered-set.h"
+#include "path-lookup.h"
#include "path-util.h"
#include "set.h"
#include "signal-util.h"
#include "udev-util.h"
#include "virt.h"
-/* use 8 MB for receive socket kernel queue. */
-#define RCVBUF_SIZE (8*1024*1024)
+/* use 128 MB for receive socket kernel queue. */
+#define RCVBUF_SIZE (128*1024*1024)
+
+static int log_message_warning_errno(sd_netlink_message *m, int err, const char *msg) {
+ const char *err_msg = NULL;
+
+ (void) sd_netlink_message_read_string(m, NLMSGERR_ATTR_MSG, &err_msg);
+ return log_warning_errno(err, "%s: %s%s%m", msg, strempty(err_msg), err_msg ? " " : "");
+}
static int setup_default_address_pool(Manager *m) {
AddressPool *p;
if (sd_netlink_message_is_error(message)) {
r = sd_netlink_message_get_errno(message);
if (r < 0)
- log_warning_errno(r, "rtnl: failed to receive route message, ignoring: %m");
+ log_message_warning_errno(message, r, "rtnl: failed to receive route message, ignoring");
return 0;
}
return log_oom();
r = sd_rtnl_message_route_get_family(message, &tmp->family);
- if (r < 0 || !IN_SET(tmp->family, AF_INET, AF_INET6)) {
- log_link_warning(link, "rtnl: received route message with invalid family, ignoring");
+ if (r < 0) {
+ log_link_warning(link, "rtnl: received route message without family, ignoring");
+ return 0;
+ } else if (!IN_SET(tmp->family, AF_INET, AF_INET6)) {
+ log_link_debug(link, "rtnl: received route message with invalid family '%i', ignoring", tmp->family);
return 0;
}
r = sd_rtnl_message_route_get_protocol(message, &tmp->protocol);
if (r < 0) {
- log_warning_errno(r, "rtnl: received route message with invalid route protocol: %m");
+ log_warning_errno(r, "rtnl: received route message without route protocol: %m");
return 0;
}
log_link_debug(link,
"%s route: dst: %s%s, src: %s, gw: %s, prefsrc: %s, scope: %s, table: %s, proto: %s, type: %s",
- type == RTM_DELROUTE ? "Forgetting" : route ? "Received remembered" : "Remembering",
+ (!route && !link->manager->manage_foreign_routes) || type == RTM_DELROUTE ? "Forgetting" :
+ route ? "Received remembered" : "Remembering",
strna(buf_dst), strempty(buf_dst_prefixlen),
strna(buf_src), strna(buf_gw), strna(buf_prefsrc),
format_route_scope(tmp->scope, buf_scope, sizeof buf_scope),
switch (type) {
case RTM_NEWROUTE:
- if (!route) {
+ if (!route && link->manager->manage_foreign_routes) {
/* A route appeared that we did not request */
r = route_add_foreign(link, tmp, &route);
if (r < 0) {
if (sd_netlink_message_is_error(message)) {
r = sd_netlink_message_get_errno(message);
if (r < 0)
- log_warning_errno(r, "rtnl: failed to receive neighbor message, ignoring: %m");
+ log_message_warning_errno(message, r, "rtnl: failed to receive neighbor message, ignoring");
return 0;
}
}
r = sd_rtnl_message_neigh_get_family(message, &family);
- if (r < 0 || !IN_SET(family, AF_INET, AF_INET6)) {
- log_link_warning(link, "rtnl: received neighbor message with invalid family, ignoring.");
+ if (r < 0) {
+ log_link_warning(link, "rtnl: received neighbor message without family, ignoring.");
+ return 0;
+ } else if (!IN_SET(family, AF_INET, AF_INET6)) {
+ log_link_debug(link, "rtnl: received neighbor message with invalid family '%i', ignoring.", family);
return 0;
}
strnull(addr_str), strnull(lladdr_str));
(void) neighbor_free(neighbor);
} else
- log_link_info(link, "Kernel removed a neighbor we don't remember: %s->%s, ignoring.",
- strnull(addr_str), strnull(lladdr_str));
+ log_link_debug(link, "Kernel removed a neighbor we don't remember: %s->%s, ignoring.",
+ strnull(addr_str), strnull(lladdr_str));
break;
if (sd_netlink_message_is_error(message)) {
r = sd_netlink_message_get_errno(message);
if (r < 0)
- log_warning_errno(r, "rtnl: failed to receive address message, ignoring: %m");
+ log_message_warning_errno(message, r, "rtnl: failed to receive address message, ignoring");
return 0;
}
}
r = sd_rtnl_message_addr_get_family(message, &family);
- if (r < 0 || !IN_SET(family, AF_INET, AF_INET6)) {
- log_link_warning(link, "rtnl: received address message with invalid family, ignoring.");
+ if (r < 0) {
+ log_link_warning(link, "rtnl: received address message without family, ignoring.");
+ return 0;
+ } else if (!IN_SET(family, AF_INET, AF_INET6)) {
+ log_link_debug(link, "rtnl: received address message with invalid family '%i', ignoring.", family);
return 0;
}
valid_str ? "for " : "forever", strempty(valid_str));
(void) address_drop(address);
} else
- log_link_info(link, "Kernel removed an address we don't remember: %s/%u (valid %s%s), ignoring.",
- strnull(buf), prefixlen,
- valid_str ? "for " : "forever", strempty(valid_str));
+ log_link_debug(link, "Kernel removed an address we don't remember: %s/%u (valid %s%s), ignoring.",
+ strnull(buf), prefixlen,
+ valid_str ? "for " : "forever", strempty(valid_str));
break;
if (sd_netlink_message_is_error(message)) {
r = sd_netlink_message_get_errno(message);
if (r < 0)
- log_warning_errno(r, "rtnl: Could not receive link message, ignoring: %m");
+ log_message_warning_errno(message, r, "rtnl: Could not receive link message, ignoring");
return 0;
}
_cleanup_free_ char *from = NULL, *to = NULL;
RoutingPolicyRule *rule = NULL;
const char *iif = NULL, *oif = NULL;
+ uint32_t suppress_prefixlen;
Manager *m = userdata;
unsigned flags;
uint16_t type;
if (sd_netlink_message_is_error(message)) {
r = sd_netlink_message_get_errno(message);
if (r < 0)
- log_warning_errno(r, "rtnl: failed to receive rule message, ignoring: %m");
+ log_message_warning_errno(message, r, "rtnl: failed to receive rule message, ignoring");
return 0;
}
return 0;
}
+ r = sd_netlink_message_read(message, FRA_UID_RANGE, sizeof(tmp->uid_range), &tmp->uid_range);
+ if (r < 0 && r != -ENODATA) {
+ log_warning_errno(r, "rtnl: could not get FRA_UID_RANGE attribute, ignoring: %m");
+ return 0;
+ }
+
+ r = sd_netlink_message_read_u32(message, FRA_SUPPRESS_PREFIXLEN, &suppress_prefixlen);
+ if (r < 0 && r != -ENODATA) {
+ log_warning_errno(r, "rtnl: could not get FRA_SUPPRESS_PREFIXLEN attribute, ignoring: %m");
+ return 0;
+ }
+ if (r >= 0)
+ tmp->suppress_prefixlen = (int) suppress_prefixlen;
+
(void) routing_policy_rule_get(m, tmp, &rule);
if (DEBUG_LOGGING) {
return 1;
}
+int manager_rtnl_process_nexthop(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) {
+ _cleanup_(nexthop_freep) NextHop *tmp = NULL;
+ _cleanup_free_ char *gateway = NULL;
+ NextHop *nexthop = NULL;
+ Manager *m = userdata;
+ Link *link = NULL;
+ uint16_t type;
+ int r;
+
+ assert(rtnl);
+ assert(message);
+ assert(m);
+
+ if (sd_netlink_message_is_error(message)) {
+ r = sd_netlink_message_get_errno(message);
+ if (r < 0)
+ log_message_warning_errno(message, r, "rtnl: failed to receive rule message, ignoring");
+
+ return 0;
+ }
+
+ r = sd_netlink_message_get_type(message, &type);
+ if (r < 0) {
+ log_warning_errno(r, "rtnl: could not get message type, ignoring: %m");
+ return 0;
+ } else if (!IN_SET(type, RTM_NEWNEXTHOP, RTM_DELNEXTHOP)) {
+ log_warning("rtnl: received unexpected message type %u when processing nexthop, ignoring.", type);
+ return 0;
+ }
+
+ r = nexthop_new(&tmp);
+ if (r < 0)
+ return log_oom();
+
+ r = sd_rtnl_message_get_family(message, &tmp->family);
+ if (r < 0) {
+ log_warning_errno(r, "rtnl: could not get nexthop family, ignoring: %m");
+ return 0;
+ } else if (!IN_SET(tmp->family, AF_INET, AF_INET6)) {
+ log_debug("rtnl: received nexthop message with invalid family %d, ignoring.", tmp->family);
+ return 0;
+ }
+
+ switch (tmp->family) {
+ case AF_INET:
+ r = sd_netlink_message_read_in_addr(message, NHA_GATEWAY, &tmp->gw.in);
+ if (r < 0 && r != -ENODATA) {
+ log_warning_errno(r, "rtnl: could not get NHA_GATEWAY attribute, ignoring: %m");
+ return 0;
+ }
+ break;
+
+ case AF_INET6:
+ r = sd_netlink_message_read_in6_addr(message, NHA_GATEWAY, &tmp->gw.in6);
+ if (r < 0 && r != -ENODATA) {
+ log_warning_errno(r, "rtnl: could not get NHA_GATEWAY attribute, ignoring: %m");
+ return 0;
+ }
+ break;
+
+ default:
+ assert_not_reached("Received rule message with unsupported address family");
+ }
+
+ r = sd_netlink_message_read_u32(message, NHA_ID, &tmp->id);
+ if (r < 0 && r != -ENODATA) {
+ log_warning_errno(r, "rtnl: could not get NHA_ID attribute, ignoring: %m");
+ return 0;
+ }
+
+ r = sd_netlink_message_read_u32(message, NHA_OIF, &tmp->oif);
+ if (r < 0 && r != -ENODATA) {
+ log_warning_errno(r, "rtnl: could not get NHA_OIF attribute, ignoring: %m");
+ return 0;
+ }
+
+ r = link_get(m, tmp->oif, &link);
+ if (r < 0 || !link) {
+ if (!m->enumerating)
+ log_warning("rtnl: received nexthop message for link (%d) we do not know about, ignoring", tmp->oif);
+ return 0;
+ }
+
+ (void) nexthop_get(link, tmp, &nexthop);
+
+ if (DEBUG_LOGGING)
+ (void) in_addr_to_string(tmp->family, &tmp->gw, &gateway);
+
+ switch (type) {
+ case RTM_NEWNEXTHOP:
+ if (!nexthop) {
+ log_debug("Remembering foreign nexthop: %s, oif: %d, id: %d", gateway, tmp->oif, tmp->id);
+ r = nexthop_add_foreign(link, tmp, &nexthop);
+ if (r < 0) {
+ log_warning_errno(r, "Could not remember foreign nexthop, ignoring: %m");
+ return 0;
+ }
+ }
+ break;
+ case RTM_DELNEXTHOP:
+ log_debug("Forgetting foreign nexthop: %s, oif: %d, id: %d", gateway, tmp->oif, tmp->id);
+ nexthop_free(nexthop);
+
+ break;
+
+ default:
+ assert_not_reached("Received invalid RTNL message type");
+ }
+
+ return 1;
+}
+
static int systemd_netlink_fd(void) {
int n, fd, rtnl_fd = -EINVAL;
if (r < 0)
return r;
+ r = sd_netlink_add_match(m->rtnl, NULL, RTM_NEWNEXTHOP, &manager_rtnl_process_nexthop, NULL, m, "network-rtnl_process_nexthop");
+ if (r < 0)
+ return r;
+
+ r = sd_netlink_add_match(m->rtnl, NULL, RTM_DELNEXTHOP, &manager_rtnl_process_nexthop, NULL, m, "network-rtnl_process_nexthop");
+ if (r < 0)
+ return r;
+
return 0;
}
}
static int manager_save(Manager *m) {
- _cleanup_ordered_set_free_free_ OrderedSet *dns = NULL, *ntp = NULL, *sip = NULL, *search_domains = NULL, *route_domains = NULL;
+ _cleanup_ordered_set_free_free_ OrderedSet *dns = NULL, *ntp = NULL, *sip = NULL, *pop3 = NULL,
+ *smtp = 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;
_cleanup_free_ char *temp_path = NULL;
_cleanup_strv_free_ char **p = NULL;
_cleanup_fclose_ FILE *f = NULL;
+ const struct in_addr *addresses;
Link *link;
Iterator i;
int r;
if (!ntp)
return -ENOMEM;
- sip = ordered_set_new(&string_hash_ops);
- if (!sip)
+ sip = ordered_set_new(&string_hash_ops);
+ if (!sip)
return -ENOMEM;
+ pop3 = ordered_set_new(&string_hash_ops);
+ if (!pop3)
+ return -ENOMEM;
+
+ smtp = ordered_set_new(&string_hash_ops);
+ if (!smtp)
+ return -ENOMEM;
+
search_domains = ordered_set_new(&dns_name_hash_ops);
if (!search_domains)
return -ENOMEM;
/* Secondly, add the entries acquired via DHCP */
if (link->network->dhcp_use_dns) {
- const struct in_addr *addresses;
-
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 (link->network->dhcp_use_ntp) {
- const struct in_addr *addresses;
-
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 (link->network->dhcp_use_sip) {
- const struct in_addr *addresses;
-
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);
return r;
}
+ r = sd_dhcp_lease_get_pop3_server(link->dhcp_lease, &addresses);
+ if (r > 0) {
+ r = ordered_set_put_in4_addrv(pop3, addresses, r, in4_addr_is_non_local);
+ if (r < 0)
+ return r;
+ } else if (r < 0 && r != -ENODATA)
+ return r;
+
+ r = sd_dhcp_lease_get_smtp_server(link->dhcp_lease, &addresses);
+ if (r > 0) {
+ r = ordered_set_put_in4_addrv(smtp, 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;
ordered_set_print(f, "DNS=", dns);
ordered_set_print(f, "NTP=", ntp);
ordered_set_print(f, "SIP=", sip);
+ ordered_set_print(f, "POP3_SERVERS=", pop3);
+ ordered_set_print(f, "SMTP_SERVERS=", smtp);
ordered_set_print(f, "DOMAINS=", search_domains);
ordered_set_print(f, "ROUTE_DOMAINS=", route_domains);
*m = (Manager) {
.speed_meter_interval_usec = SPEED_METER_DEFAULT_TIME_INTERVAL,
+ .manage_foreign_routes = true,
};
m->state_file = strdup("/run/systemd/netif/state");
/* update timestamp */
paths_check_timestamp(NETWORK_DIRS, &m->network_dirs_ts_usec, true);
- r = netdev_load(m);
+ r = netdev_load(m, false);
if (r < 0)
return r;
- r = network_load(m);
+ r = network_load(m, &m->networks);
if (r < 0)
return r;
return r;
}
+int manager_rtnl_enumerate_nexthop(Manager *m) {
+ _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
+ sd_netlink_message *nexthop;
+ int r;
+
+ assert(m);
+ assert(m->rtnl);
+
+ r = sd_rtnl_message_new_nexthop(m->rtnl, &req, RTM_GETNEXTHOP, 0, 0);
+ if (r < 0)
+ return r;
+
+ r = sd_netlink_message_request_dump(req, true);
+ if (r < 0)
+ return r;
+
+ r = sd_netlink_call(m->rtnl, req, 0, &reply);
+ if (r < 0) {
+ if (r == -EOPNOTSUPP) {
+ log_debug("Nexthop are not supported by the kernel. Ignoring.");
+ return 0;
+ }
+
+ return r;
+ }
+
+ for (nexthop = reply; nexthop; nexthop = sd_netlink_message_next(nexthop)) {
+ int k;
+
+ m->enumerating = true;
+
+ k = manager_rtnl_process_nexthop(m->rtnl, nexthop, m);
+ if (k < 0)
+ r = k;
+
+ m->enumerating = false;
+ }
+
+ return r;
+}
+
int manager_address_pool_acquire(Manager *m, int family, unsigned prefixlen, union in_addr_union *found) {
AddressPool *p;
int r;
projects / thirdparty / systemd.git / blobdiff