diff options
Diffstat (limited to 'src/libsystemd-network')
| -rw-r--r-- | src/libsystemd-network/dhcp-server-internal.h | 3 | ||||
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-server.c | 72 |
2 files changed, 75 insertions, 0 deletions
diff --git a/src/libsystemd-network/dhcp-server-internal.h b/src/libsystemd-network/dhcp-server-internal.h index 4f562c73ef..6cc794c937 100644 --- a/src/libsystemd-network/dhcp-server-internal.h +++ b/src/libsystemd-network/dhcp-server-internal.h @@ -63,6 +63,9 @@ struct sd_dhcp_server { char *timezone; + struct in_addr *ntp, *dns; + unsigned n_ntp, n_dns; + Hashmap *leases_by_client_id; DHCPLease **bound_leases; diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c index 35564d8317..a46858258b 100644 --- a/src/libsystemd-network/sd-dhcp-server.c +++ b/src/libsystemd-network/sd-dhcp-server.c @@ -145,6 +145,8 @@ sd_dhcp_server *sd_dhcp_server_unref(sd_dhcp_server *server) { sd_event_unref(server->event); free(server->timezone); + free(server->dns); + free(server->ntp); while ((lease = hashmap_steal_first(server->leases_by_client_id))) dhcp_lease_free(lease); @@ -481,6 +483,24 @@ static int server_send_ack(sd_dhcp_server *server, DHCPRequest *req, if (r < 0) return r; + if (server->n_dns > 0) { + r = dhcp_option_append( + &packet->dhcp, req->max_optlen, &offset, 0, + DHCP_OPTION_DOMAIN_NAME_SERVER, + sizeof(struct in_addr) * server->n_dns, server->dns); + if (r < 0) + return r; + } + + if (server->n_ntp > 0) { + r = dhcp_option_append( + &packet->dhcp, req->max_optlen, &offset, 0, + DHCP_OPTION_NTP_SERVER, + sizeof(struct in_addr) * server->n_ntp, server->ntp); + if (r < 0) + return r; + } + if (server->timezone) { r = dhcp_option_append( &packet->dhcp, req->max_optlen, &offset, 0, @@ -1042,3 +1062,55 @@ int sd_dhcp_server_set_default_lease_time(sd_dhcp_server *server, uint32_t t) { server->default_lease_time = t; return 1; } + +int sd_dhcp_server_set_dns(sd_dhcp_server *server, const struct in_addr dns[], unsigned n) { + assert_return(server, -EINVAL); + assert_return(dns || n <= 0, -EINVAL); + + if (server->n_dns == n && + memcmp(server->dns, dns, sizeof(struct in_addr) * n) == 0) + return 0; + + if (n <= 0) { + server->dns = mfree(server->dns); + server->n_dns = 0; + } else { + struct in_addr *c; + + c = newdup(struct in_addr, dns, n); + if (!c) + return -ENOMEM; + + free(server->dns); + server->dns = c; + server->n_dns = n; + } + + return 1; +} + +int sd_dhcp_server_set_ntp(sd_dhcp_server *server, const struct in_addr ntp[], unsigned n) { + assert_return(server, -EINVAL); + assert_return(ntp || n <= 0, -EINVAL); + + if (server->n_ntp == n && + memcmp(server->ntp, ntp, sizeof(struct in_addr) * n) == 0) + return 0; + + if (n <= 0) { + server->ntp = mfree(server->ntp); + server->n_ntp = 0; + } else { + struct in_addr *c; + + c = newdup(struct in_addr, ntp, n); + if (!c) + return -ENOMEM; + + free(server->ntp); + server->ntp = c; + server->n_ntp = n; + } + + return 1; +} |