raw.c (db6da59cf27b5661ced03754ae0550f8914eda9e) raw.c (e1d001fa5b477c4da46a29be1fcece91db7c7c6f)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * RAW sockets for IPv6
4 * Linux INET6 implementation
5 *
6 * Authors:
7 * Pedro Roque <roque@di.fc.ul.pt>
8 *

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788 if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
789 return -EAFNOSUPPORT;
790
791 /* port is the proto value [0..255] carried in nexthdr */
792 proto = ntohs(sin6->sin6_port);
793
794 if (!proto)
795 proto = inet->inet_num;
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * RAW sockets for IPv6
4 * Linux INET6 implementation
5 *
6 * Authors:
7 * Pedro Roque <roque@di.fc.ul.pt>
8 *

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788 if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
789 return -EAFNOSUPPORT;
790
791 /* port is the proto value [0..255] carried in nexthdr */
792 proto = ntohs(sin6->sin6_port);
793
794 if (!proto)
795 proto = inet->inet_num;
796 else if (proto != inet->inet_num)
796 else if (proto != inet->inet_num &&
797 inet->inet_num != IPPROTO_RAW)
797 return -EINVAL;
798
799 if (proto > 255)
800 return -EINVAL;
801
802 daddr = &sin6->sin6_addr;
803 if (np->sndflow) {
804 fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;

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1112 fallthrough;
1113 default:
1114 return ipv6_getsockopt(sk, level, optname, optval, optlen);
1115 }
1116
1117 return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
1118}
1119
798 return -EINVAL;
799
800 if (proto > 255)
801 return -EINVAL;
802
803 daddr = &sin6->sin6_addr;
804 if (np->sndflow) {
805 fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;

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1113 fallthrough;
1114 default:
1115 return ipv6_getsockopt(sk, level, optname, optval, optlen);
1116 }
1117
1118 return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
1119}
1120
1120static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
1121static int rawv6_ioctl(struct sock *sk, int cmd, int *karg)
1121{
1122 switch (cmd) {
1123 case SIOCOUTQ: {
1122{
1123 switch (cmd) {
1124 case SIOCOUTQ: {
1124 int amount = sk_wmem_alloc_get(sk);
1125
1126 return put_user(amount, (int __user *)arg);
1125 *karg = sk_wmem_alloc_get(sk);
1126 return 0;
1127 }
1128 case SIOCINQ: {
1129 struct sk_buff *skb;
1127 }
1128 case SIOCINQ: {
1129 struct sk_buff *skb;
1130 int amount = 0;
1131
1132 spin_lock_bh(&sk->sk_receive_queue.lock);
1133 skb = skb_peek(&sk->sk_receive_queue);
1134 if (skb)
1130
1131 spin_lock_bh(&sk->sk_receive_queue.lock);
1132 skb = skb_peek(&sk->sk_receive_queue);
1133 if (skb)
1135 amount = skb->len;
1134 *karg = skb->len;
1135 else
1136 *karg = 0;
1136 spin_unlock_bh(&sk->sk_receive_queue.lock);
1137 spin_unlock_bh(&sk->sk_receive_queue.lock);
1137 return put_user(amount, (int __user *)arg);
1138 return 0;
1138 }
1139
1140 default:
1141#ifdef CONFIG_IPV6_MROUTE
1139 }
1140
1141 default:
1142#ifdef CONFIG_IPV6_MROUTE
1142 return ip6mr_ioctl(sk, cmd, (void __user *)arg);
1143 return ip6mr_ioctl(sk, cmd, karg);
1143#else
1144 return -ENOIOCTLCMD;
1145#endif
1146 }
1147}
1148
1149#ifdef CONFIG_COMPAT
1150static int compat_rawv6_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg)

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1145 return -ENOIOCTLCMD;
1146#endif
1147 }
1148}
1149
1150#ifdef CONFIG_COMPAT
1151static int compat_rawv6_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg)

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