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head/sys/netinet6/ip6_output.c
| Show First 20 Lines • Show All 2,215 Lines • ▼ Show 20 Lines | case SOPT_SET: | ||||
| if (optlen != sizeof(int)) { | if (optlen != sizeof(int)) { | ||||
| error = EINVAL; | error = EINVAL; | ||||
| break; | break; | ||||
| } | } | ||||
| error = sooptcopyin(sopt, &optval, sizeof(optval), | error = sooptcopyin(sopt, &optval, sizeof(optval), | ||||
| sizeof(optval)); | sizeof(optval)); | ||||
| if (error) | if (error) | ||||
| break; | break; | ||||
| if ((optval % 2) != 0) { | if (optval < -1 || (optval % 2) != 0) { | ||||
| /* the API assumes even offset values */ | /* | ||||
| * The API assumes non-negative even offset | |||||
| * values or -1 as a special value. | |||||
| */ | |||||
| error = EINVAL; | error = EINVAL; | ||||
| } else if (so->so_proto->pr_protocol == | } else if (so->so_proto->pr_protocol == | ||||
| IPPROTO_ICMPV6) { | IPPROTO_ICMPV6) { | ||||
| if (optval != icmp6off) | if (optval != icmp6off) | ||||
| error = EINVAL; | error = EINVAL; | ||||
| } else | } else | ||||
| in6p->in6p_cksum = optval; | in6p->in6p_cksum = optval; | ||||
| break; | break; | ||||
| ▲ Show 20 Lines • Show All 910 Lines • Show Last 20 Lines | |||||