raw.c (0eea505058740aa45486145296ef4fefbd8cab85) raw.c (45f6fad84cc305103b28d73482b344d7f5b76f39)
1/*
2 * RAW sockets for IPv6
3 * Linux INET6 implementation
4 *
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
7 *
8 * Adapted from linux/net/ipv4/raw.c

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728
729 offset -= rfv->hlen;
730
731 return ip_generic_getfrag(rfv->msg, to, offset, len, odd, skb);
732}
733
734static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
735{
1/*
2 * RAW sockets for IPv6
3 * Linux INET6 implementation
4 *
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
7 *
8 * Adapted from linux/net/ipv4/raw.c

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728
729 offset -= rfv->hlen;
730
731 return ip_generic_getfrag(rfv->msg, to, offset, len, odd, skb);
732}
733
734static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
735{
736 struct ipv6_txoptions *opt_to_free = NULL;
736 struct ipv6_txoptions opt_space;
737 DECLARE_SOCKADDR(struct sockaddr_in6 *, sin6, msg->msg_name);
738 struct in6_addr *daddr, *final_p, final;
739 struct inet_sock *inet = inet_sk(sk);
740 struct ipv6_pinfo *np = inet6_sk(sk);
741 struct raw6_sock *rp = raw6_sk(sk);
742 struct ipv6_txoptions *opt = NULL;
743 struct ip6_flowlabel *flowlabel = NULL;

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834 if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
835 flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
836 if (!flowlabel)
837 return -EINVAL;
838 }
839 if (!(opt->opt_nflen|opt->opt_flen))
840 opt = NULL;
841 }
737 struct ipv6_txoptions opt_space;
738 DECLARE_SOCKADDR(struct sockaddr_in6 *, sin6, msg->msg_name);
739 struct in6_addr *daddr, *final_p, final;
740 struct inet_sock *inet = inet_sk(sk);
741 struct ipv6_pinfo *np = inet6_sk(sk);
742 struct raw6_sock *rp = raw6_sk(sk);
743 struct ipv6_txoptions *opt = NULL;
744 struct ip6_flowlabel *flowlabel = NULL;

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835 if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
836 flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
837 if (!flowlabel)
838 return -EINVAL;
839 }
840 if (!(opt->opt_nflen|opt->opt_flen))
841 opt = NULL;
842 }
842 if (!opt)
843 opt = np->opt;
843 if (!opt) {
844 opt = txopt_get(np);
845 opt_to_free = opt;
846 }
844 if (flowlabel)
845 opt = fl6_merge_options(&opt_space, flowlabel, opt);
846 opt = ipv6_fixup_options(&opt_space, opt);
847
848 fl6.flowi6_proto = proto;
849 rfv.msg = msg;
850 rfv.hlen = 0;
851 err = rawv6_probe_proto_opt(&rfv, &fl6);

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901 else if (!(msg->msg_flags & MSG_MORE))
902 err = rawv6_push_pending_frames(sk, &fl6, rp);
903 release_sock(sk);
904 }
905done:
906 dst_release(dst);
907out:
908 fl6_sock_release(flowlabel);
847 if (flowlabel)
848 opt = fl6_merge_options(&opt_space, flowlabel, opt);
849 opt = ipv6_fixup_options(&opt_space, opt);
850
851 fl6.flowi6_proto = proto;
852 rfv.msg = msg;
853 rfv.hlen = 0;
854 err = rawv6_probe_proto_opt(&rfv, &fl6);

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904 else if (!(msg->msg_flags & MSG_MORE))
905 err = rawv6_push_pending_frames(sk, &fl6, rp);
906 release_sock(sk);
907 }
908done:
909 dst_release(dst);
910out:
911 fl6_sock_release(flowlabel);
912 txopt_put(opt_to_free);
909 return err < 0 ? err : len;
910do_confirm:
911 dst_confirm(dst);
912 if (!(msg->msg_flags & MSG_PROBE) || len)
913 goto back_from_confirm;
914 err = 0;
915 goto done;
916}

--- 422 unchanged lines hidden --- 		913 return err < 0 ? err : len;
914do_confirm:
915 dst_confirm(dst);
916 if (!(msg->msg_flags & MSG_PROBE) || len)
917 goto back_from_confirm;
918 err = 0;
919 goto done;
920}

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