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-rw-r--r--src/libsystemd-network/dhcp-server-internal.h2
-rw-r--r--src/libsystemd-network/sd-dhcp-server.c31
-rw-r--r--src/network/networkd-link.c6
-rw-r--r--src/network/networkd-network-gperf.gperf1
-rw-r--r--src/network/networkd-network.c1
-rw-r--r--src/network/networkd-network.h1
-rw-r--r--src/systemd/sd-dhcp-server.h1
7 files changed, 35 insertions, 8 deletions
diff --git a/src/libsystemd-network/dhcp-server-internal.h b/src/libsystemd-network/dhcp-server-internal.h
index adb557167a..0c76956fad 100644
--- a/src/libsystemd-network/dhcp-server-internal.h
+++ b/src/libsystemd-network/dhcp-server-internal.h
@@ -63,6 +63,8 @@ struct sd_dhcp_server {
struct in_addr *ntp, *dns;
unsigned n_ntp, n_dns;
+ bool emit_router;
+
Hashmap *leases_by_client_id;
DHCPLease **bound_leases;
DHCPLease invalid_lease;
diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c
index 9adf8ec19d..fb335337c4 100644
--- a/src/libsystemd-network/sd-dhcp-server.c
+++ b/src/libsystemd-network/sd-dhcp-server.c
@@ -468,10 +468,12 @@ static int server_send_offer(sd_dhcp_server *server, DHCPRequest *req,
if (r < 0)
return r;
- r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0,
- SD_DHCP_OPTION_ROUTER, 4, &server->address);
- if (r < 0)
- return r;
+ if (server->emit_router) {
+ r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0,
+ SD_DHCP_OPTION_ROUTER, 4, &server->address);
+ if (r < 0)
+ return r;
+ }
r = dhcp_server_send_packet(server, req, packet, DHCP_OFFER, offset);
if (r < 0)
@@ -505,10 +507,12 @@ static int server_send_ack(sd_dhcp_server *server, DHCPRequest *req,
if (r < 0)
return r;
- r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0,
- SD_DHCP_OPTION_ROUTER, 4, &server->address);
- if (r < 0)
- return r;
+ if (server->emit_router) {
+ r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0,
+ SD_DHCP_OPTION_ROUTER, 4, &server->address);
+ if (r < 0)
+ return r;
+ }
if (server->n_dns > 0) {
r = dhcp_option_append(
@@ -1158,3 +1162,14 @@ int sd_dhcp_server_set_ntp(sd_dhcp_server *server, const struct in_addr ntp[], u
return 1;
}
+
+int sd_dhcp_server_set_emit_router(sd_dhcp_server *server, int enabled) {
+ assert_return(server, -EINVAL);
+
+ if (enabled == server->emit_router)
+ return 0;
+
+ server->emit_router = enabled;
+
+ return 1;
+}
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index f3a79b0ec8..16a3609a0b 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -1020,6 +1020,12 @@ static int link_enter_set_addresses(Link *link) {
log_link_warning_errno(link, r, "Failed to set NTP server for DHCP server, ignoring: %m");
}
+ r = sd_dhcp_server_set_emit_router(link->dhcp_server, link->network->dhcp_server_emit_router);
+ if (r < 0) {
+ log_link_warning_errno(link, r, "Failed to set router emission for DHCP server: %m");
+ return r;
+ }
+
if (link->network->dhcp_server_emit_timezone) {
_cleanup_free_ char *buffer = NULL;
const char *tz = NULL;
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 4425ee4e2f..03e4e3b39f 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -95,6 +95,7 @@ DHCPServer.EmitDNS, config_parse_bool,
DHCPServer.DNS, config_parse_dhcp_server_dns, 0, 0
DHCPServer.EmitNTP, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_ntp)
DHCPServer.NTP, config_parse_dhcp_server_ntp, 0, 0
+DHCPServer.EmitRouter, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_router)
DHCPServer.EmitTimezone, config_parse_bool, 0, offsetof(Network, dhcp_server_emit_timezone)
DHCPServer.Timezone, config_parse_timezone, 0, offsetof(Network, dhcp_server_timezone)
DHCPServer.PoolOffset, config_parse_uint32, 0, offsetof(Network, dhcp_server_pool_offset)
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 206c270e50..dd89b3770c 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -113,6 +113,7 @@ static int network_load_one(Manager *manager, const char *filename) {
network->dhcp_server_emit_dns = true;
network->dhcp_server_emit_ntp = true;
+ network->dhcp_server_emit_router = true;
network->dhcp_server_emit_timezone = true;
network->use_bpdu = true;
diff --git a/src/network/networkd-network.h b/src/network/networkd-network.h
index 4cd0fa4ab8..91099161ce 100644
--- a/src/network/networkd-network.h
+++ b/src/network/networkd-network.h
@@ -127,6 +127,7 @@ struct Network {
bool dhcp_server_emit_ntp;
struct in_addr *dhcp_server_ntp;
unsigned n_dhcp_server_ntp;
+ bool dhcp_server_emit_router;
bool dhcp_server_emit_timezone;
char *dhcp_server_timezone;
usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec;
diff --git a/src/systemd/sd-dhcp-server.h b/src/systemd/sd-dhcp-server.h
index fcef083ce6..d4517a26d6 100644
--- a/src/systemd/sd-dhcp-server.h
+++ b/src/systemd/sd-dhcp-server.h
@@ -51,6 +51,7 @@ int sd_dhcp_server_configure_pool(sd_dhcp_server *server, struct in_addr *addres
int sd_dhcp_server_set_timezone(sd_dhcp_server *server, const char *timezone);
int sd_dhcp_server_set_dns(sd_dhcp_server *server, const struct in_addr ntp[], unsigned n);
int sd_dhcp_server_set_ntp(sd_dhcp_server *server, const struct in_addr dns[], unsigned n);
+int sd_dhcp_server_set_emit_router(sd_dhcp_server *server, int enabled);
int sd_dhcp_server_set_max_lease_time(sd_dhcp_server *server, uint32_t t);
int sd_dhcp_server_set_default_lease_time(sd_dhcp_server *server, uint32_t t);