Remove src/libsystemd-network

[elogind.git] / src / libsystemd-network / ipv4ll-network.c

diff --git a/src/libsystemd-network/ipv4ll-network.c b/src/libsystemd-network/ipv4ll-network.c
deleted file mode 100644 (file)
index 93ffed4..0000000
--- a/src/libsystemd-network/ipv4ll-network.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright (C) 2014 Axis Communications AB. All rights reserved.
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <linux/filter.h>
-
-#include "util.h"
-#include "ipv4ll-internal.h"
-
-int arp_network_send_raw_socket(int fd, const union sockaddr_union *link,
-                                        const struct ether_arp *arp) {
-        int r;
-
-        assert(arp);
-        assert(link);
-        assert(fd >= 0);
-
-        r = sendto(fd, arp, sizeof(struct ether_arp), 0, &link->sa, sizeof(link->ll));
-        if (r < 0)
-                return -errno;
-
-        return 0;
-}
-
-int arp_network_bind_raw_socket(int ifindex, union sockaddr_union *link) {
-
-        static const struct sock_filter filter[] = {
-                BPF_STMT(BPF_LD + BPF_W + BPF_LEN, 0),                                         /* A <- packet length */
-                BPF_JUMP(BPF_JMP + BPF_JGE + BPF_K, sizeof(struct ether_arp), 1, 0),           /* packet >= arp packet ? */
-                BPF_STMT(BPF_RET + BPF_K, 0),                                                  /* ignore */
-                BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct ether_arp, ea_hdr.ar_hrd)), /* A <- header */
-                BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, ARPHRD_ETHER, 1, 0),                       /* header == ethernet ? */
-                BPF_STMT(BPF_RET + BPF_K, 0),                                                  /* ignore */
-                BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct ether_arp, ea_hdr.ar_pro)), /* A <- protocol */
-                BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, ETHERTYPE_IP, 1, 0),                       /* protocol == IP ? */
-                BPF_STMT(BPF_RET + BPF_K, 0),                                                  /* ignore */
-                BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct ether_arp, ea_hdr.ar_op)),  /* A <- operation */
-                BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, ARPOP_REQUEST, 0, 1),                      /* protocol == request ? */
-                BPF_STMT(BPF_RET + BPF_K, 65535),                                              /* return all */
-                BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, ARPOP_REPLY, 0, 1),                        /* protocol == reply ? */
-                BPF_STMT(BPF_RET + BPF_K, 65535),                                              /* return all */
-                BPF_STMT(BPF_RET + BPF_K, 0),                                                  /* ignore */
-        };
-        struct sock_fprog fprog = {
-                .len = ELEMENTSOF(filter),
-                .filter = (struct sock_filter*) filter
-        };
-        _cleanup_close_ int s = -1;
-        int r;
-
-        assert(ifindex > 0);
-        assert(link);
-
-        s = socket(PF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0);
-        if (s < 0)
-                return -errno;
-
-        r = setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER, &fprog, sizeof(fprog));
-        if (r < 0)
-                return -errno;
-
-        link->ll.sll_family = AF_PACKET;
-        link->ll.sll_protocol = htons(ETH_P_ARP);
-        link->ll.sll_ifindex = ifindex;
-        link->ll.sll_halen = ETH_ALEN;
-        memset(link->ll.sll_addr, 0xff, ETH_ALEN);
-
-        r = bind(s, &link->sa, sizeof(link->ll));
-        if (r < 0)
-                return -errno;
-
-        r = s;
-        s = -1;
-
-        return r;
-}