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Diffstat (limited to 'src/libsystemd-network/dhcp6-network.c')
-rw-r--r--src/libsystemd-network/dhcp6-network.c97
1 files changed, 0 insertions, 97 deletions
diff --git a/src/libsystemd-network/dhcp6-network.c b/src/libsystemd-network/dhcp6-network.c
index 187975364b..ccb8363e77 100644
--- a/src/libsystemd-network/dhcp6-network.c
+++ b/src/libsystemd-network/dhcp6-network.c
@@ -25,7 +25,6 @@
#include <stdio.h>
#include <unistd.h>
#include <netinet/ip6.h>
-#include <netinet/icmp6.h>
#include <netinet/in.h>
#include "socket-util.h"
@@ -33,102 +32,6 @@
#include "dhcp6-internal.h"
#include "dhcp6-protocol.h"
-#define IN6ADDR_ALL_ROUTERS_MULTICAST_INIT \
- { { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 } } }
-
-#define IN6ADDR_ALL_NODES_MULTICAST_INIT \
- { { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } }
-
-int dhcp_network_icmp6_bind_router_solicitation(int index) {
- struct icmp6_filter filter = { };
- struct ipv6_mreq mreq = {
- .ipv6mr_multiaddr = IN6ADDR_ALL_NODES_MULTICAST_INIT,
- .ipv6mr_interface = index,
- };
- _cleanup_close_ int s = -1;
- int r, zero = 0, hops = 255;
-
- s = socket(AF_INET6, SOCK_RAW | SOCK_CLOEXEC | SOCK_NONBLOCK,
- IPPROTO_ICMPV6);
- if (s < 0)
- return -errno;
-
- ICMP6_FILTER_SETBLOCKALL(&filter);
- ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filter);
- r = setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &filter,
- sizeof(filter));
- if (r < 0)
- return -errno;
-
- /* RFC 3315, section 6.7, bullet point 2 may indicate that an
- IPV6_PKTINFO socket option also applies for ICMPv6 multicast.
- Empirical experiments indicates otherwise and therefore an
- IPV6_MULTICAST_IF socket option is used here instead */
- r = setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_IF, &index,
- sizeof(index));
- if (r < 0)
- return -errno;
-
- r = setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &zero,
- sizeof(zero));
- if (r < 0)
- return -errno;
-
- r = setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &hops,
- sizeof(hops));
- if (r < 0)
- return -errno;
-
- r = setsockopt(s, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq,
- sizeof(mreq));
- if (r < 0)
- return -errno;
-
- r = s;
- s = -1;
- return r;
-}
-
-int dhcp_network_icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) {
- struct sockaddr_in6 dst = {
- .sin6_family = AF_INET6,
- .sin6_addr = IN6ADDR_ALL_ROUTERS_MULTICAST_INIT,
- };
- struct {
- struct nd_router_solicit rs;
- struct nd_opt_hdr rs_opt;
- struct ether_addr rs_opt_mac;
- } _packed_ rs = {
- .rs.nd_rs_type = ND_ROUTER_SOLICIT,
- };
- struct iovec iov[1] = {
- { &rs, },
- };
- struct msghdr msg = {
- .msg_name = &dst,
- .msg_namelen = sizeof(dst),
- .msg_iov = iov,
- .msg_iovlen = 1,
- };
- int r;
-
- if (ether_addr) {
- memcpy(&rs.rs_opt_mac, ether_addr, ETH_ALEN);
- rs.rs_opt.nd_opt_type = ND_OPT_SOURCE_LINKADDR;
- rs.rs_opt.nd_opt_len = 1;
- iov[0].iov_len = sizeof(rs);
- } else
- iov[0].iov_len = sizeof(rs.rs);
-
- r = sendmsg(s, &msg, 0);
- if (r < 0)
- return -errno;
-
- return 0;
-}
-
int dhcp6_network_bind_udp_socket(int index, struct in6_addr *local_address) {
struct in6_pktinfo pktinfo = {
.ipi6_ifindex = index,